bnx2x_main.c 282.1 KB
Newer Older
1
/* bnx2x_main.c: Broadcom Everest network driver.
E
Eliezer Tamir 已提交
2
 *
E
Eliezer Tamir 已提交
3
 * Copyright (c) 2007-2008 Broadcom Corporation
E
Eliezer Tamir 已提交
4 5 6 7 8
 *
 * 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.
 *
9 10
 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
E
Eliezer Tamir 已提交
11 12 13
 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath rework by Vladislav Zolotarov
E
Eliezer Tamir 已提交
14
 * Statistics and Link management by Yitchak Gertner
E
Eliezer Tamir 已提交
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/device.h>  /* for dev_info() */
#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 <linux/bitops.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
	#include <linux/if_vlan.h>
#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
47
#include <net/ip6_checksum.h>
E
Eliezer Tamir 已提交
48 49
#include <linux/workqueue.h>
#include <linux/crc32.h>
50
#include <linux/crc32c.h>
E
Eliezer Tamir 已提交
51 52 53 54 55 56 57
#include <linux/prefetch.h>
#include <linux/zlib.h>
#include <linux/io.h>

#include "bnx2x_reg.h"
#include "bnx2x_fw_defs.h"
#include "bnx2x_hsi.h"
Y
Yaniv Rosner 已提交
58
#include "bnx2x_link.h"
E
Eliezer Tamir 已提交
59 60 61
#include "bnx2x.h"
#include "bnx2x_init.h"

E
Eilon Greenstein 已提交
62 63
#define DRV_MODULE_VERSION	"1.45.23"
#define DRV_MODULE_RELDATE	"2008/11/03"
64
#define BNX2X_BC_VER		0x040200
E
Eliezer Tamir 已提交
65

66 67
/* Time in jiffies before concluding the transmitter is hung */
#define TX_TIMEOUT		(5*HZ)
E
Eliezer Tamir 已提交
68

A
Andrew Morton 已提交
69
static char version[] __devinitdata =
70
	"Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
E
Eliezer Tamir 已提交
71 72
	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

73
MODULE_AUTHOR("Eliezer Tamir");
E
Eliezer Tamir 已提交
74 75 76 77
MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

78
static int disable_tpa;
E
Eliezer Tamir 已提交
79 80 81
static int use_inta;
static int poll;
static int debug;
82
static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
E
Eliezer Tamir 已提交
83 84
static int use_multi;

85
module_param(disable_tpa, int, 0);
E
Eliezer Tamir 已提交
86 87 88
module_param(use_inta, int, 0);
module_param(poll, int, 0);
module_param(debug, int, 0);
89
MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
E
Eliezer Tamir 已提交
90 91
MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
MODULE_PARM_DESC(poll, "use polling (for debug)");
E
Eliezer Tamir 已提交
92
MODULE_PARM_DESC(debug, "default debug msglevel");
E
Eliezer Tamir 已提交
93 94 95 96 97 98 99 100

#ifdef BNX2X_MULTI
module_param(use_multi, int, 0);
MODULE_PARM_DESC(use_multi, "use per-CPU queues");
#endif

enum bnx2x_board_type {
	BCM57710 = 0,
101 102
	BCM57711 = 1,
	BCM57711E = 2,
E
Eliezer Tamir 已提交
103 104
};

105
/* indexed by board_type, above */
A
Andrew Morton 已提交
106
static struct {
E
Eliezer Tamir 已提交
107 108
	char *name;
} board_info[] __devinitdata = {
109 110 111
	{ "Broadcom NetXtreme II BCM57710 XGb" },
	{ "Broadcom NetXtreme II BCM57711 XGb" },
	{ "Broadcom NetXtreme II BCM57711E XGb" }
E
Eliezer Tamir 已提交
112 113
};

114

E
Eliezer Tamir 已提交
115 116 117
static const struct pci_device_id bnx2x_pci_tbl[] = {
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
118 119 120 121
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
E
Eliezer Tamir 已提交
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171
	{ 0 }
};

MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);

/****************************************************************************
* General service functions
****************************************************************************/

/* used only at init
 * locking is done by mcp
 */
static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
{
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
}

static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
{
	u32 val;

	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);

	return val;
}

static const u32 dmae_reg_go_c[] = {
	DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
	DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
	DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
	DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
};

/* copy command into DMAE command memory and set DMAE command go */
static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
			    int idx)
{
	u32 cmd_offset;
	int i;

	cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
	for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
		REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));

172 173
		DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
		   idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
E
Eliezer Tamir 已提交
174 175 176 177
	}
	REG_WR(bp, dmae_reg_go_c[idx], 1);
}

178 179
void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
		      u32 len32)
E
Eliezer Tamir 已提交
180
{
181
	struct dmae_command *dmae = &bp->init_dmae;
E
Eliezer Tamir 已提交
182
	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
183 184 185 186 187 188 189 190 191 192 193 194
	int cnt = 200;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);

		DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
		   "  using indirect\n", dst_addr, len32);
		bnx2x_init_ind_wr(bp, dst_addr, data, len32);
		return;
	}

	mutex_lock(&bp->dmae_mutex);
E
Eliezer Tamir 已提交
195 196 197 198 199 200 201 202 203 204 205

	memset(dmae, 0, sizeof(struct dmae_command));

	dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
206 207
			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
E
Eliezer Tamir 已提交
208 209 210 211 212 213 214
	dmae->src_addr_lo = U64_LO(dma_addr);
	dmae->src_addr_hi = U64_HI(dma_addr);
	dmae->dst_addr_lo = dst_addr >> 2;
	dmae->dst_addr_hi = 0;
	dmae->len = len32;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
215
	dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
216

217
	DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
E
Eliezer Tamir 已提交
218 219 220 221 222 223
	   DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
		    "dst_addr [%x:%08x (%08x)]\n"
	   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
	   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
	   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
	   dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
224
	DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
E
Eliezer Tamir 已提交
225 226 227 228 229
	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);

	*wb_comp = 0;

230
	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
E
Eliezer Tamir 已提交
231 232

	udelay(5);
233 234 235 236 237

	while (*wb_comp != DMAE_COMP_VAL) {
		DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);

		if (!cnt) {
E
Eliezer Tamir 已提交
238 239 240
			BNX2X_ERR("dmae timeout!\n");
			break;
		}
241
		cnt--;
Y
Yitchak Gertner 已提交
242 243 244 245 246
		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);
E
Eliezer Tamir 已提交
247
	}
248 249

	mutex_unlock(&bp->dmae_mutex);
E
Eliezer Tamir 已提交
250 251
}

Y
Yaniv Rosner 已提交
252
void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
E
Eliezer Tamir 已提交
253
{
254
	struct dmae_command *dmae = &bp->init_dmae;
E
Eliezer Tamir 已提交
255
	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
256 257 258 259 260 261 262 263 264 265 266 267 268 269
	int cnt = 200;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);
		int i;

		DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
		   "  using indirect\n", src_addr, len32);
		for (i = 0; i < len32; i++)
			data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
		return;
	}

	mutex_lock(&bp->dmae_mutex);
E
Eliezer Tamir 已提交
270 271 272 273 274 275 276 277 278 279 280 281

	memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
	memset(dmae, 0, sizeof(struct dmae_command));

	dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
282 283
			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
E
Eliezer Tamir 已提交
284 285 286 287 288 289 290
	dmae->src_addr_lo = src_addr >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
	dmae->len = len32;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
291
	dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
292

293
	DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
E
Eliezer Tamir 已提交
294 295 296 297 298 299 300 301 302
	   DP_LEVEL "src_addr  [%x:%08x]  len [%d *4]  "
		    "dst_addr [%x:%08x (%08x)]\n"
	   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
	   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
	   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
	   dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);

	*wb_comp = 0;

303
	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
E
Eliezer Tamir 已提交
304 305

	udelay(5);
306 307 308 309

	while (*wb_comp != DMAE_COMP_VAL) {

		if (!cnt) {
E
Eliezer Tamir 已提交
310 311 312
			BNX2X_ERR("dmae timeout!\n");
			break;
		}
313
		cnt--;
Y
Yitchak Gertner 已提交
314 315 316 317 318
		/* adjust delay for emulation/FPGA */
		if (CHIP_REV_IS_SLOW(bp))
			msleep(100);
		else
			udelay(5);
E
Eliezer Tamir 已提交
319
	}
320
	DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
E
Eliezer Tamir 已提交
321 322
	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
323 324 325 326 327 328 329 330 331 332 333 334

	mutex_unlock(&bp->dmae_mutex);
}

/* used only for slowpath so not inlined */
static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
{
	u32 wb_write[2];

	wb_write[0] = val_hi;
	wb_write[1] = val_lo;
	REG_WR_DMAE(bp, reg, wb_write, 2);
E
Eliezer Tamir 已提交
335 336
}

337 338 339 340 341 342 343 344 345 346 347
#ifdef USE_WB_RD
static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
{
	u32 wb_data[2];

	REG_RD_DMAE(bp, reg, wb_data, 2);

	return HILO_U64(wb_data[0], wb_data[1]);
}
#endif

E
Eliezer Tamir 已提交
348 349 350
static int bnx2x_mc_assert(struct bnx2x *bp)
{
	char last_idx;
351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462
	int i, rc = 0;
	u32 row0, row1, row2, row3;

	/* XSTORM */
	last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
			   XSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* TSTORM */
	last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
			   TSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* CSTORM */
	last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
			   CSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* USTORM */
	last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
			   USTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
E
Eliezer Tamir 已提交
463 464
		}
	}
465

E
Eliezer Tamir 已提交
466 467
	return rc;
}
E
Eliezer Tamir 已提交
468

E
Eliezer Tamir 已提交
469 470 471 472 473 474 475
static void bnx2x_fw_dump(struct bnx2x *bp)
{
	u32 mark, offset;
	u32 data[9];
	int word;

	mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
476 477
	mark = ((mark + 0x3) & ~0x3);
	printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
E
Eliezer Tamir 已提交
478 479 480 481 482 483

	for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
		for (word = 0; word < 8; word++)
			data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
						  offset + 4*word));
		data[8] = 0x0;
484
		printk(KERN_CONT "%s", (char *)data);
E
Eliezer Tamir 已提交
485 486 487 488 489 490
	}
	for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
		for (word = 0; word < 8; word++)
			data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
						  offset + 4*word));
		data[8] = 0x0;
491
		printk(KERN_CONT "%s", (char *)data);
E
Eliezer Tamir 已提交
492 493 494 495 496 497 498 499 500
	}
	printk("\n" KERN_ERR PFX "end of fw dump\n");
}

static void bnx2x_panic_dump(struct bnx2x *bp)
{
	int i;
	u16 j, start, end;

Y
Yitchak Gertner 已提交
501 502 503
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

E
Eliezer Tamir 已提交
504 505 506 507 508 509 510
	BNX2X_ERR("begin crash dump -----------------\n");

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];
		struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;

		BNX2X_ERR("queue[%d]: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
511
			  "  tx_bd_prod(%x)  tx_bd_cons(%x)  *tx_cons_sb(%x)\n",
E
Eliezer Tamir 已提交
512
			  i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
513
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Y
Yitchak Gertner 已提交
514 515 516 517 518 519 520 521 522 523 524 525 526 527
		BNX2X_ERR("          rx_bd_prod(%x)  rx_bd_cons(%x)"
			  "  *rx_bd_cons_sb(%x)  rx_comp_prod(%x)"
			  "  rx_comp_cons(%x)  *rx_cons_sb(%x)\n",
			  fp->rx_bd_prod, fp->rx_bd_cons,
			  le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
			  fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
		BNX2X_ERR("          rx_sge_prod(%x)  last_max_sge(%x)"
			  "  fp_c_idx(%x)  *sb_c_idx(%x)  fp_u_idx(%x)"
			  "  *sb_u_idx(%x)  bd data(%x,%x)\n",
			  fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
			  fp->status_blk->c_status_block.status_block_index,
			  fp->fp_u_idx,
			  fp->status_blk->u_status_block.status_block_index,
			  hw_prods->packets_prod, hw_prods->bds_prod);
E
Eliezer Tamir 已提交
528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553

		start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
		end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
		for (j = start; j < end; j++) {
			struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];

			BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
				  sw_bd->skb, sw_bd->first_bd);
		}

		start = TX_BD(fp->tx_bd_cons - 10);
		end = TX_BD(fp->tx_bd_cons + 254);
		for (j = start; j < end; j++) {
			u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];

			BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
				  j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
		}

		start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
		end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
		for (j = start; j < end; j++) {
			u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
			struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];

			BNX2X_ERR("rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
554
				  j, rx_bd[1], rx_bd[0], sw_bd->skb);
E
Eliezer Tamir 已提交
555 556
		}

557 558
		start = RX_SGE(fp->rx_sge_prod);
		end = RX_SGE(fp->last_max_sge);
559 560 561 562 563 564 565 566
		for (j = start; j < end; j++) {
			u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
			struct sw_rx_page *sw_page = &fp->rx_page_ring[j];

			BNX2X_ERR("rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
				  j, rx_sge[1], rx_sge[0], sw_page->page);
		}

E
Eliezer Tamir 已提交
567 568 569 570 571 572 573 574 575 576
		start = RCQ_BD(fp->rx_comp_cons - 10);
		end = RCQ_BD(fp->rx_comp_cons + 503);
		for (j = start; j < end; j++) {
			u32 *cqe = (u32 *)&fp->rx_comp_ring[j];

			BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
				  j, cqe[0], cqe[1], cqe[2], cqe[3]);
		}
	}

577 578
	BNX2X_ERR("def_c_idx(%u)  def_u_idx(%u)  def_x_idx(%u)"
		  "  def_t_idx(%u)  def_att_idx(%u)  attn_state(%u)"
E
Eliezer Tamir 已提交
579
		  "  spq_prod_idx(%u)\n",
580
		  bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
E
Eliezer Tamir 已提交
581 582
		  bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);

583
	bnx2x_fw_dump(bp);
E
Eliezer Tamir 已提交
584 585 586 587
	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

E
Eliezer Tamir 已提交
588
static void bnx2x_int_enable(struct bnx2x *bp)
E
Eliezer Tamir 已提交
589
{
590
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
591 592 593 594 595 596 597 598 599 600
	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;

	if (msix) {
		val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
		val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
	} else {
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
E
Eliezer Tamir 已提交
601
			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
E
Eliezer Tamir 已提交
602 603
			HC_CONFIG_0_REG_INT_LINE_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
Eliezer Tamir 已提交
604 605 606 607 608 609

		DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
		   val, port, addr, msix);

		REG_WR(bp, addr, val);

E
Eliezer Tamir 已提交
610 611 612
		val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
	}

E
Eliezer Tamir 已提交
613
	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  MSI-X %d\n",
E
Eliezer Tamir 已提交
614 615 616
	   val, port, addr, msix);

	REG_WR(bp, addr, val);
617 618 619 620 621 622 623 624 625 626 627 628 629 630

	if (CHIP_IS_E1H(bp)) {
		/* init leading/trailing edge */
		if (IS_E1HMF(bp)) {
			val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
			if (bp->port.pmf)
				/* enable nig attention */
				val |= 0x0100;
		} else
			val = 0xffff;

		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	}
E
Eliezer Tamir 已提交
631 632
}

E
Eliezer Tamir 已提交
633
static void bnx2x_int_disable(struct bnx2x *bp)
E
Eliezer Tamir 已提交
634
{
635
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

	val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
		 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
		 HC_CONFIG_0_REG_INT_LINE_EN_0 |
		 HC_CONFIG_0_REG_ATTN_BIT_EN_0);

	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
	   val, port, addr);

	REG_WR(bp, addr, val);
	if (REG_RD(bp, addr) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

Y
Yitchak Gertner 已提交
652
static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
E
Eliezer Tamir 已提交
653 654 655 656
{
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
	int i;

657
	/* disable interrupt handling */
E
Eliezer Tamir 已提交
658
	atomic_inc(&bp->intr_sem);
Y
Yitchak Gertner 已提交
659 660 661
	if (disable_hw)
		/* prevent the HW from sending interrupts */
		bnx2x_int_disable(bp);
E
Eliezer Tamir 已提交
662 663 664 665 666 667 668 669 670 671 672 673 674 675 676

	/* make sure all ISRs are done */
	if (msix) {
		for_each_queue(bp, i)
			synchronize_irq(bp->msix_table[i].vector);

		/* one more for the Slow Path IRQ */
		synchronize_irq(bp->msix_table[i].vector);
	} else
		synchronize_irq(bp->pdev->irq);

	/* make sure sp_task is not running */
	cancel_work_sync(&bp->sp_task);
}

677
/* fast path */
E
Eliezer Tamir 已提交
678 679

/*
680
 * General service functions
E
Eliezer Tamir 已提交
681 682
 */

683
static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
E
Eliezer Tamir 已提交
684 685
				u8 storm, u16 index, u8 op, u8 update)
{
686 687
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_INT_ACK);
E
Eliezer Tamir 已提交
688 689 690 691
	struct igu_ack_register igu_ack;

	igu_ack.status_block_index = index;
	igu_ack.sb_id_and_flags =
692
			((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
E
Eliezer Tamir 已提交
693 694 695 696
			 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
			 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
			 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));

697 698 699
	DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
	   (*(u32 *)&igu_ack), hc_addr);
	REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
E
Eliezer Tamir 已提交
700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
}

static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
{
	struct host_status_block *fpsb = fp->status_blk;
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
		fp->fp_c_idx = fpsb->c_status_block.status_block_index;
		rc |= 1;
	}
	if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
		fp->fp_u_idx = fpsb->u_status_block.status_block_index;
		rc |= 2;
	}
	return rc;
}

static u16 bnx2x_ack_int(struct bnx2x *bp)
{
721 722 723
	u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
		       COMMAND_REG_SIMD_MASK);
	u32 result = REG_RD(bp, hc_addr);
E
Eliezer Tamir 已提交
724

725 726
	DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
	   result, hc_addr);
E
Eliezer Tamir 已提交
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744

	return result;
}


/*
 * fast path service functions
 */

/* free skb in the packet ring at pos idx
 * return idx of last bd freed
 */
static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			     u16 idx)
{
	struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
	struct eth_tx_bd *tx_bd;
	struct sk_buff *skb = tx_buf->skb;
745
	u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
E
Eliezer Tamir 已提交
746 747 748 749 750 751 752 753 754 755 756 757
	int nbd;

	DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
	   idx, tx_buf, skb);

	/* unmap first bd */
	DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
	tx_bd = &fp->tx_desc_ring[bd_idx];
	pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
			 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);

	nbd = le16_to_cpu(tx_bd->nbd) - 1;
758
	new_cons = nbd + tx_buf->first_bd;
E
Eliezer Tamir 已提交
759 760
#ifdef BNX2X_STOP_ON_ERROR
	if (nbd > (MAX_SKB_FRAGS + 2)) {
761
		BNX2X_ERR("BAD nbd!\n");
E
Eliezer Tamir 已提交
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
		bnx2x_panic();
	}
#endif

	/* Skip a parse bd and the TSO split header bd
	   since they have no mapping */
	if (nbd)
		bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));

	if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
					   ETH_TX_BD_FLAGS_TCP_CSUM |
					   ETH_TX_BD_FLAGS_SW_LSO)) {
		if (--nbd)
			bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
		tx_bd = &fp->tx_desc_ring[bd_idx];
		/* is this a TSO split header bd? */
		if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
			if (--nbd)
				bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
		}
	}

	/* now free frags */
	while (nbd > 0) {

		DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
		tx_bd = &fp->tx_desc_ring[bd_idx];
		pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
			       BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
		if (--nbd)
			bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
	}

	/* release skb */
796
	WARN_ON(!skb);
E
Eliezer Tamir 已提交
797 798 799 800
	dev_kfree_skb(skb);
	tx_buf->first_bd = 0;
	tx_buf->skb = NULL;

801
	return new_cons;
E
Eliezer Tamir 已提交
802 803
}

804
static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
E
Eliezer Tamir 已提交
805
{
806 807 808
	s16 used;
	u16 prod;
	u16 cons;
E
Eliezer Tamir 已提交
809

810
	barrier(); /* Tell compiler that prod and cons can change */
E
Eliezer Tamir 已提交
811 812 813
	prod = fp->tx_bd_prod;
	cons = fp->tx_bd_cons;

814 815 816
	/* NUM_TX_RINGS = number of "next-page" entries
	   It will be used as a threshold */
	used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
E
Eliezer Tamir 已提交
817

818
#ifdef BNX2X_STOP_ON_ERROR
819 820 821
	WARN_ON(used < 0);
	WARN_ON(used > fp->bp->tx_ring_size);
	WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
822
#endif
E
Eliezer Tamir 已提交
823

824
	return (s16)(fp->bp->tx_ring_size) - used;
E
Eliezer Tamir 已提交
825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847
}

static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
{
	struct bnx2x *bp = fp->bp;
	u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
	int done = 0;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return;
#endif

	hw_cons = le16_to_cpu(*fp->tx_cons_sb);
	sw_cons = fp->tx_pkt_cons;

	while (sw_cons != hw_cons) {
		u16 pkt_cons;

		pkt_cons = TX_BD(sw_cons);

		/* prefetch(bp->tx_buf_ring[pkt_cons].skb); */

848
		DP(NETIF_MSG_TX_DONE, "hw_cons %u  sw_cons %u  pkt_cons %u\n",
E
Eliezer Tamir 已提交
849 850
		   hw_cons, sw_cons, pkt_cons);

851
/*		if (NEXT_TX_IDX(sw_cons) != hw_cons) {
E
Eliezer Tamir 已提交
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
			rmb();
			prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
		}
*/
		bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
		sw_cons++;
		done++;

		if (done == work)
			break;
	}

	fp->tx_pkt_cons = sw_cons;
	fp->tx_bd_cons = bd_cons;

	/* Need to make the tx_cons update visible to start_xmit()
	 * before checking for netif_queue_stopped().  Without the
	 * memory barrier, there is a small possibility that start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();

	/* TBD need a thresh? */
	if (unlikely(netif_queue_stopped(bp->dev))) {

		netif_tx_lock(bp->dev);

		if (netif_queue_stopped(bp->dev) &&
880
		    (bp->state == BNX2X_STATE_OPEN) &&
E
Eliezer Tamir 已提交
881 882 883 884 885 886 887
		    (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
			netif_wake_queue(bp->dev);

		netif_tx_unlock(bp->dev);
	}
}

888

E
Eliezer Tamir 已提交
889 890 891 892 893 894 895
static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
			   union eth_rx_cqe *rr_cqe)
{
	struct bnx2x *bp = fp->bp;
	int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
	int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);

896
	DP(BNX2X_MSG_SP,
E
Eliezer Tamir 已提交
897
	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
898 899
	   FP_IDX(fp), cid, command, bp->state,
	   rr_cqe->ramrod_cqe.ramrod_type);
E
Eliezer Tamir 已提交
900 901 902

	bp->spq_left++;

903
	if (FP_IDX(fp)) {
E
Eliezer Tamir 已提交
904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
		switch (command | fp->state) {
		case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
						BNX2X_FP_STATE_OPENING):
			DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
			   cid);
			fp->state = BNX2X_FP_STATE_OPEN;
			break;

		case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
			DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
			   cid);
			fp->state = BNX2X_FP_STATE_HALTED;
			break;

		default:
919 920 921
			BNX2X_ERR("unexpected MC reply (%d)  "
				  "fp->state is %x\n", command, fp->state);
			break;
E
Eliezer Tamir 已提交
922
		}
923
		mb(); /* force bnx2x_wait_ramrod() to see the change */
E
Eliezer Tamir 已提交
924 925
		return;
	}
E
Eliezer Tamir 已提交
926

E
Eliezer Tamir 已提交
927 928 929 930 931 932 933 934 935 936 937 938 939
	switch (command | bp->state) {
	case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
		DP(NETIF_MSG_IFUP, "got setup ramrod\n");
		bp->state = BNX2X_STATE_OPEN;
		break;

	case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
		DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
		bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
		fp->state = BNX2X_FP_STATE_HALTED;
		break;

	case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
940
		DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
941
		bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
E
Eliezer Tamir 已提交
942 943
		break;

944

E
Eliezer Tamir 已提交
945
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
946
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
E
Eliezer Tamir 已提交
947
		DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Y
Yitchak Gertner 已提交
948
		bp->set_mac_pending = 0;
E
Eliezer Tamir 已提交
949 950
		break;

951
	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
952
		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
953 954
		break;

E
Eliezer Tamir 已提交
955
	default:
956
		BNX2X_ERR("unexpected MC reply (%d)  bp->state is %x\n",
E
Eliezer Tamir 已提交
957
			  command, bp->state);
958
		break;
E
Eliezer Tamir 已提交
959
	}
960
	mb(); /* force bnx2x_wait_ramrod() to see the change */
E
Eliezer Tamir 已提交
961 962
}

963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct page *page = sw_buf->page;
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];

	/* Skip "next page" elements */
	if (!page)
		return;

	pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
		       BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
	__free_pages(page, PAGES_PER_SGE_SHIFT);

	sw_buf->page = NULL;
	sge->addr_hi = 0;
	sge->addr_lo = 0;
}

static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
					   struct bnx2x_fastpath *fp, int last)
{
	int i;

	for (i = 0; i < last; i++)
		bnx2x_free_rx_sge(bp, fp, i);
}

static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
	struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
	dma_addr_t mapping;

	if (unlikely(page == NULL))
		return -ENOMEM;

	mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
			       PCI_DMA_FROMDEVICE);
1005
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018
		__free_pages(page, PAGES_PER_SGE_SHIFT);
		return -ENOMEM;
	}

	sw_buf->page = page;
	pci_unmap_addr_set(sw_buf, mapping, mapping);

	sge->addr_hi = cpu_to_le32(U64_HI(mapping));
	sge->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}

E
Eliezer Tamir 已提交
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp, u16 index)
{
	struct sk_buff *skb;
	struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
	struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
	dma_addr_t mapping;

	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
	if (unlikely(skb == NULL))
		return -ENOMEM;

1031
	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
E
Eliezer Tamir 已提交
1032
				 PCI_DMA_FROMDEVICE);
1033
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
E
Eliezer Tamir 已提交
1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
		dev_kfree_skb(skb);
		return -ENOMEM;
	}

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

	rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));

	return 0;
}

/* note that we are not allocating a new skb,
 * we are just moving one from cons to prod
 * we are not creating a new mapping,
 * so there is no need to check for dma_mapping_error().
 */
static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
			       struct sk_buff *skb, u16 cons, u16 prod)
{
	struct bnx2x *bp = fp->bp;
	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
	struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];

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

	prod_rx_buf->skb = cons_rx_buf->skb;
	pci_unmap_addr_set(prod_rx_buf, mapping,
			   pci_unmap_addr(cons_rx_buf, mapping));
	*prod_bd = *cons_bd;
}

1072 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
static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
					     u16 idx)
{
	u16 last_max = fp->last_max_sge;

	if (SUB_S16(idx, last_max) > 0)
		fp->last_max_sge = idx;
}

static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
{
	int i, j;

	for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
		int idx = RX_SGE_CNT * i - 1;

		for (j = 0; j < 2; j++) {
			SGE_MASK_CLEAR_BIT(fp, idx);
			idx--;
		}
	}
}

static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
				  struct eth_fast_path_rx_cqe *fp_cqe)
{
	struct bnx2x *bp = fp->bp;
	u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
				     le16_to_cpu(fp_cqe->len_on_bd)) >>
		      BCM_PAGE_SHIFT;
	u16 last_max, last_elem, first_elem;
	u16 delta = 0;
	u16 i;

	if (!sge_len)
		return;

	/* First mark all used pages */
	for (i = 0; i < sge_len; i++)
		SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));

	DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
	   sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));

	/* Here we assume that the last SGE index is the biggest */
	prefetch((void *)(fp->sge_mask));
	bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));

	last_max = RX_SGE(fp->last_max_sge);
	last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
	first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;

	/* If ring is not full */
	if (last_elem + 1 != first_elem)
		last_elem++;

	/* Now update the prod */
	for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
		if (likely(fp->sge_mask[i]))
			break;

		fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
		delta += RX_SGE_MASK_ELEM_SZ;
	}

	if (delta > 0) {
		fp->rx_sge_prod += delta;
		/* clear page-end entries */
		bnx2x_clear_sge_mask_next_elems(fp);
	}

	DP(NETIF_MSG_RX_STATUS,
	   "fp->last_max_sge = %d  fp->rx_sge_prod = %d\n",
	   fp->last_max_sge, fp->rx_sge_prod);
}

static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
{
	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
	memset(fp->sge_mask, 0xff,
	       (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));

E
Eilon Greenstein 已提交
1154 1155
	/* Clear the two last indices in the page to 1:
	   these are the indices that correspond to the "next" element,
1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
	   hence will never be indicated and should be removed from
	   the calculations. */
	bnx2x_clear_sge_mask_next_elems(fp);
}

static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
			    struct sk_buff *skb, u16 cons, u16 prod)
{
	struct bnx2x *bp = fp->bp;
	struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
	struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
	struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
	dma_addr_t mapping;

	/* move empty skb from pool to prod and map it */
	prod_rx_buf->skb = fp->tpa_pool[queue].skb;
	mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1173
				 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
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 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245
	pci_unmap_addr_set(prod_rx_buf, mapping, mapping);

	/* move partial skb from cons to pool (don't unmap yet) */
	fp->tpa_pool[queue] = *cons_rx_buf;

	/* mark bin state as start - print error if current state != stop */
	if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
		BNX2X_ERR("start of bin not in stop [%d]\n", queue);

	fp->tpa_state[queue] = BNX2X_TPA_START;

	/* point prod_bd to new skb */
	prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));

#ifdef BNX2X_STOP_ON_ERROR
	fp->tpa_queue_used |= (1 << queue);
#ifdef __powerpc64__
	DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
#else
	DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
#endif
	   fp->tpa_queue_used);
#endif
}

static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			       struct sk_buff *skb,
			       struct eth_fast_path_rx_cqe *fp_cqe,
			       u16 cqe_idx)
{
	struct sw_rx_page *rx_pg, old_rx_pg;
	struct page *sge;
	u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
	u32 i, frag_len, frag_size, pages;
	int err;
	int j;

	frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
	pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;

	/* This is needed in order to enable forwarding support */
	if (frag_size)
		skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
					       max(frag_size, (u32)len_on_bd));

#ifdef BNX2X_STOP_ON_ERROR
	if (pages > 8*PAGES_PER_SGE) {
		BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
			  pages, cqe_idx);
		BNX2X_ERR("fp_cqe->pkt_len = %d  fp_cqe->len_on_bd = %d\n",
			  fp_cqe->pkt_len, len_on_bd);
		bnx2x_panic();
		return -EINVAL;
	}
#endif

	/* Run through the SGL and compose the fragmented skb */
	for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
		u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));

		/* FW gives the indices of the SGE as if the ring is an array
		   (meaning that "next" element will consume 2 indices) */
		frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
		rx_pg = &fp->rx_page_ring[sge_idx];
		sge = rx_pg->page;
		old_rx_pg = *rx_pg;

		/* If we fail to allocate a substitute page, we simply stop
		   where we are and drop the whole packet */
		err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
		if (unlikely(err)) {
Y
Yitchak Gertner 已提交
1246
			bp->eth_stats.rx_skb_alloc_failed++;
1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
			return err;
		}

		/* Unmap the page as we r going to pass it to the stack */
		pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
			      BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);

		/* Add one frag and update the appropriate fields in the skb */
		skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);

		skb->data_len += frag_len;
		skb->truesize += frag_len;
		skb->len += frag_len;

		frag_size -= frag_len;
	}

	return 0;
}

static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
			   u16 queue, int pad, int len, union eth_rx_cqe *cqe,
			   u16 cqe_idx)
{
	struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
	struct sk_buff *skb = rx_buf->skb;
	/* alloc new skb */
	struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);

	/* Unmap skb in the pool anyway, as we are going to change
	   pool entry status to BNX2X_TPA_STOP even if new skb allocation
	   fails. */
	pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1280
			 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
1281 1282

	if (likely(new_skb)) {
Y
Yitchak Gertner 已提交
1283 1284
		/* fix ip xsum and give it to the stack */
		/* (no need to map the new skb) */
1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 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 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335

		prefetch(skb);
		prefetch(((char *)(skb)) + 128);

#ifdef BNX2X_STOP_ON_ERROR
		if (pad + len > bp->rx_buf_size) {
			BNX2X_ERR("skb_put is about to fail...  "
				  "pad %d  len %d  rx_buf_size %d\n",
				  pad, len, bp->rx_buf_size);
			bnx2x_panic();
			return;
		}
#endif

		skb_reserve(skb, pad);
		skb_put(skb, len);

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

		{
			struct iphdr *iph;

			iph = (struct iphdr *)skb->data;
			iph->check = 0;
			iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
		}

		if (!bnx2x_fill_frag_skb(bp, fp, skb,
					 &cqe->fast_path_cqe, cqe_idx)) {
#ifdef BCM_VLAN
			if ((bp->vlgrp != NULL) &&
			    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
			     PARSING_FLAGS_VLAN))
				vlan_hwaccel_receive_skb(skb, bp->vlgrp,
						le16_to_cpu(cqe->fast_path_cqe.
							    vlan_tag));
			else
#endif
				netif_receive_skb(skb);
		} else {
			DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
			   " - dropping packet!\n");
			dev_kfree_skb(skb);
		}


		/* put new skb in bin */
		fp->tpa_pool[queue].skb = new_skb;

	} else {
Y
Yitchak Gertner 已提交
1336
		/* else drop the packet and keep the buffer in the bin */
1337 1338
		DP(NETIF_MSG_RX_STATUS,
		   "Failed to allocate new skb - dropping packet!\n");
Y
Yitchak Gertner 已提交
1339
		bp->eth_stats.rx_skb_alloc_failed++;
1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367
	}

	fp->tpa_state[queue] = BNX2X_TPA_STOP;
}

static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
					struct bnx2x_fastpath *fp,
					u16 bd_prod, u16 rx_comp_prod,
					u16 rx_sge_prod)
{
	struct tstorm_eth_rx_producers rx_prods = {0};
	int i;

	/* Update producers */
	rx_prods.bd_prod = bd_prod;
	rx_prods.cqe_prod = rx_comp_prod;
	rx_prods.sge_prod = rx_sge_prod;

	for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
		REG_WR(bp, BAR_TSTRORM_INTMEM +
		       TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
		       ((u32 *)&rx_prods)[i]);

	DP(NETIF_MSG_RX_STATUS,
	   "Wrote: bd_prod %u  cqe_prod %u  sge_prod %u\n",
	   bd_prod, rx_comp_prod, rx_sge_prod);
}

E
Eliezer Tamir 已提交
1368 1369 1370
static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
{
	struct bnx2x *bp = fp->bp;
1371
	u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
E
Eliezer Tamir 已提交
1372 1373 1374 1375 1376 1377 1378 1379
	u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
	int rx_pkt = 0;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return 0;
#endif

1380 1381
	/* CQ "next element" is of the size of the regular element,
	   that's why it's ok here */
E
Eliezer Tamir 已提交
1382 1383 1384 1385 1386 1387
	hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
	if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		hw_comp_cons++;

	bd_cons = fp->rx_bd_cons;
	bd_prod = fp->rx_bd_prod;
1388
	bd_prod_fw = bd_prod;
E
Eliezer Tamir 已提交
1389 1390 1391 1392 1393 1394 1395 1396 1397 1398
	sw_comp_cons = fp->rx_comp_cons;
	sw_comp_prod = fp->rx_comp_prod;

	/* Memory barrier necessary as speculative reads of the rx
	 * buffer can be ahead of the index in the status block
	 */
	rmb();

	DP(NETIF_MSG_RX_STATUS,
	   "queue[%d]:  hw_comp_cons %u  sw_comp_cons %u\n",
1399
	   FP_IDX(fp), hw_comp_cons, sw_comp_cons);
E
Eliezer Tamir 已提交
1400 1401

	while (sw_comp_cons != hw_comp_cons) {
1402
		struct sw_rx_bd *rx_buf = NULL;
E
Eliezer Tamir 已提交
1403 1404
		struct sk_buff *skb;
		union eth_rx_cqe *cqe;
1405 1406
		u8 cqe_fp_flags;
		u16 len, pad;
E
Eliezer Tamir 已提交
1407 1408 1409 1410 1411 1412

		comp_ring_cons = RCQ_BD(sw_comp_cons);
		bd_prod = RX_BD(bd_prod);
		bd_cons = RX_BD(bd_cons);

		cqe = &fp->rx_comp_ring[comp_ring_cons];
1413
		cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
E
Eliezer Tamir 已提交
1414 1415

		DP(NETIF_MSG_RX_STATUS, "CQE type %x  err %x  status %x"
1416 1417
		   "  queue %x  vlan %x  len %u\n", CQE_TYPE(cqe_fp_flags),
		   cqe_fp_flags, cqe->fast_path_cqe.status_flags,
E
Eliezer Tamir 已提交
1418
		   cqe->fast_path_cqe.rss_hash_result,
1419 1420
		   le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
		   le16_to_cpu(cqe->fast_path_cqe.pkt_len));
E
Eliezer Tamir 已提交
1421 1422

		/* is this a slowpath msg? */
1423
		if (unlikely(CQE_TYPE(cqe_fp_flags))) {
E
Eliezer Tamir 已提交
1424 1425 1426 1427 1428 1429 1430 1431 1432 1433
			bnx2x_sp_event(fp, cqe);
			goto next_cqe;

		/* this is an rx packet */
		} else {
			rx_buf = &fp->rx_buf_ring[bd_cons];
			skb = rx_buf->skb;
			len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
			pad = cqe->fast_path_cqe.placement_offset;

1434 1435 1436 1437 1438
			/* If CQE is marked both TPA_START and TPA_END
			   it is a non-TPA CQE */
			if ((!fp->disable_tpa) &&
			    (TPA_TYPE(cqe_fp_flags) !=
					(TPA_TYPE_START | TPA_TYPE_END))) {
1439
				u16 queue = cqe->fast_path_cqe.queue_index;
1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476

				if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
					DP(NETIF_MSG_RX_STATUS,
					   "calling tpa_start on queue %d\n",
					   queue);

					bnx2x_tpa_start(fp, queue, skb,
							bd_cons, bd_prod);
					goto next_rx;
				}

				if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
					DP(NETIF_MSG_RX_STATUS,
					   "calling tpa_stop on queue %d\n",
					   queue);

					if (!BNX2X_RX_SUM_FIX(cqe))
						BNX2X_ERR("STOP on none TCP "
							  "data\n");

					/* This is a size of the linear data
					   on this skb */
					len = le16_to_cpu(cqe->fast_path_cqe.
								len_on_bd);
					bnx2x_tpa_stop(bp, fp, queue, pad,
						    len, cqe, comp_ring_cons);
#ifdef BNX2X_STOP_ON_ERROR
					if (bp->panic)
						return -EINVAL;
#endif

					bnx2x_update_sge_prod(fp,
							&cqe->fast_path_cqe);
					goto next_cqe;
				}
			}

E
Eliezer Tamir 已提交
1477 1478 1479 1480 1481 1482 1483 1484
			pci_dma_sync_single_for_device(bp->pdev,
					pci_unmap_addr(rx_buf, mapping),
						       pad + RX_COPY_THRESH,
						       PCI_DMA_FROMDEVICE);
			prefetch(skb);
			prefetch(((char *)(skb)) + 128);

			/* is this an error packet? */
1485
			if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
E
Eliezer Tamir 已提交
1486
				DP(NETIF_MSG_RX_ERR,
1487 1488
				   "ERROR  flags %x  rx packet %u\n",
				   cqe_fp_flags, sw_comp_cons);
Y
Yitchak Gertner 已提交
1489
				bp->eth_stats.rx_err_discard_pkt++;
E
Eliezer Tamir 已提交
1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
				goto reuse_rx;
			}

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

				new_skb = netdev_alloc_skb(bp->dev,
							   len + pad);
				if (new_skb == NULL) {
					DP(NETIF_MSG_RX_ERR,
1504
					   "ERROR  packet dropped "
E
Eliezer Tamir 已提交
1505
					   "because of alloc failure\n");
Y
Yitchak Gertner 已提交
1506
					bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
					goto reuse_rx;
				}

				/* aligned copy */
				skb_copy_from_linear_data_offset(skb, pad,
						    new_skb->data + pad, len);
				skb_reserve(new_skb, pad);
				skb_put(new_skb, len);

				bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);

				skb = new_skb;

			} else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
				pci_unmap_single(bp->pdev,
					pci_unmap_addr(rx_buf, mapping),
1523
						 bp->rx_buf_size,
E
Eliezer Tamir 已提交
1524 1525 1526 1527 1528 1529
						 PCI_DMA_FROMDEVICE);
				skb_reserve(skb, pad);
				skb_put(skb, len);

			} else {
				DP(NETIF_MSG_RX_ERR,
1530
				   "ERROR  packet dropped because "
E
Eliezer Tamir 已提交
1531
				   "of alloc failure\n");
Y
Yitchak Gertner 已提交
1532
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
1533 1534 1535 1536 1537 1538 1539 1540
reuse_rx:
				bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
				goto next_rx;
			}

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

			skb->ip_summed = CHECKSUM_NONE;
Y
Yitchak Gertner 已提交
1541
			if (bp->rx_csum) {
1542 1543
				if (likely(BNX2X_RX_CSUM_OK(cqe)))
					skb->ip_summed = CHECKSUM_UNNECESSARY;
Y
Yitchak Gertner 已提交
1544 1545 1546
				else
					bp->eth_stats.hw_csum_err++;
			}
E
Eliezer Tamir 已提交
1547 1548 1549
		}

#ifdef BCM_VLAN
1550 1551 1552
		if ((bp->vlgrp != NULL) &&
		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
		     PARSING_FLAGS_VLAN))
E
Eliezer Tamir 已提交
1553 1554 1555 1556
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
		else
#endif
1557
			netif_receive_skb(skb);
E
Eliezer Tamir 已提交
1558 1559 1560 1561 1562 1563 1564


next_rx:
		rx_buf->skb = NULL;

		bd_cons = NEXT_RX_IDX(bd_cons);
		bd_prod = NEXT_RX_IDX(bd_prod);
1565 1566
		bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
		rx_pkt++;
E
Eliezer Tamir 已提交
1567 1568 1569 1570
next_cqe:
		sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
		sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);

1571
		if (rx_pkt == budget)
E
Eliezer Tamir 已提交
1572 1573 1574 1575
			break;
	} /* while */

	fp->rx_bd_cons = bd_cons;
1576
	fp->rx_bd_prod = bd_prod_fw;
E
Eliezer Tamir 已提交
1577 1578 1579
	fp->rx_comp_cons = sw_comp_cons;
	fp->rx_comp_prod = sw_comp_prod;

1580 1581 1582
	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
			     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595
	mmiowb(); /* keep prod updates ordered */

	fp->rx_pkt += rx_pkt;
	fp->rx_calls++;

	return rx_pkt;
}

static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
{
	struct bnx2x_fastpath *fp = fp_cookie;
	struct bnx2x *bp = fp->bp;
	struct net_device *dev = bp->dev;
1596
	int index = FP_IDX(fp);
E
Eliezer Tamir 已提交
1597

1598 1599 1600 1601 1602 1603
	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1604 1605 1606
	DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
	   index, FP_SB_ID(fp));
	bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

	prefetch(fp->rx_cons_sb);
	prefetch(fp->tx_cons_sb);
	prefetch(&fp->status_blk->c_status_block.status_block_index);
	prefetch(&fp->status_blk->u_status_block.status_block_index);

	netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1619

E
Eliezer Tamir 已提交
1620 1621 1622 1623 1624 1625 1626 1627
	return IRQ_HANDLED;
}

static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);
	u16 status = bnx2x_ack_int(bp);
1628
	u16 mask;
E
Eliezer Tamir 已提交
1629

1630
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1631 1632 1633 1634
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
1635
	DP(NETIF_MSG_INTR, "got an interrupt  status %u\n", status);
E
Eliezer Tamir 已提交
1636

1637
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1638 1639 1640 1641 1642
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1643 1644 1645 1646 1647
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

1648 1649
	mask = 0x2 << bp->fp[0].sb_id;
	if (status & mask) {
E
Eliezer Tamir 已提交
1650 1651 1652 1653 1654 1655 1656 1657 1658
		struct bnx2x_fastpath *fp = &bp->fp[0];

		prefetch(fp->rx_cons_sb);
		prefetch(fp->tx_cons_sb);
		prefetch(&fp->status_blk->c_status_block.status_block_index);
		prefetch(&fp->status_blk->u_status_block.status_block_index);

		netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));

1659
		status &= ~mask;
E
Eliezer Tamir 已提交
1660 1661 1662
	}


1663
	if (unlikely(status & 0x1)) {
E
Eliezer Tamir 已提交
1664 1665 1666 1667 1668 1669 1670
		schedule_work(&bp->sp_task);

		status &= ~0x1;
		if (!status)
			return IRQ_HANDLED;
	}

1671 1672 1673
	if (status)
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
		   status);
E
Eliezer Tamir 已提交
1674

Y
Yaniv Rosner 已提交
1675
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1676 1677
}

Y
Yaniv Rosner 已提交
1678
/* end of fast path */
E
Eliezer Tamir 已提交
1679

Y
Yitchak Gertner 已提交
1680
static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
E
Eliezer Tamir 已提交
1681

Y
Yaniv Rosner 已提交
1682 1683 1684 1685 1686
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1687

Y
Yitchak Gertner 已提交
1688
static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1689 1690 1691
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1692 1693
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1694
	int cnt;
E
Eliezer Tamir 已提交
1695

Y
Yaniv Rosner 已提交
1696 1697 1698 1699 1700 1701 1702
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1703

Y
Yitchak Gertner 已提交
1704 1705 1706 1707 1708 1709 1710
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1711
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1712
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1713 1714 1715 1716 1717
	if (lock_status & resource_bit) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EEXIST;
	}
E
Eliezer Tamir 已提交
1718

E
Eilon Greenstein 已提交
1719 1720
	/* Try for 5 second every 5ms */
	for (cnt = 0; cnt < 1000; cnt++) {
Y
Yaniv Rosner 已提交
1721
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1722 1723
		REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
		lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1724 1725
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1726

Y
Yaniv Rosner 已提交
1727
		msleep(5);
E
Eliezer Tamir 已提交
1728
	}
Y
Yaniv Rosner 已提交
1729 1730 1731
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1732

Y
Yitchak Gertner 已提交
1733
static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1734 1735 1736
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1737 1738
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1739

Y
Yaniv Rosner 已提交
1740 1741 1742 1743 1744 1745 1746 1747
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}

Y
Yitchak Gertner 已提交
1748 1749 1750 1751 1752 1753 1754
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1755
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1756
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1757 1758 1759 1760
	if (!(lock_status & resource_bit)) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EFAULT;
E
Eliezer Tamir 已提交
1761 1762
	}

Y
Yitchak Gertner 已提交
1763
	REG_WR(bp, hw_lock_control_reg, resource_bit);
Y
Yaniv Rosner 已提交
1764 1765 1766 1767
	return 0;
}

/* HW Lock for shared dual port PHYs */
Y
Yitchak Gertner 已提交
1768
static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1769 1770
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1771

1772
	mutex_lock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
1773

Y
Yaniv Rosner 已提交
1774 1775
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1776
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Y
Yaniv Rosner 已提交
1777
}
E
Eliezer Tamir 已提交
1778

Y
Yitchak Gertner 已提交
1779
static void bnx2x_release_phy_lock(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
1780 1781
{
	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
1782

Y
Yaniv Rosner 已提交
1783 1784
	if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Y
Yitchak Gertner 已提交
1785
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
E
Eliezer Tamir 已提交
1786

1787
	mutex_unlock(&bp->port.phy_mutex);
Y
Yaniv Rosner 已提交
1788
}
E
Eliezer Tamir 已提交
1789

1790
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Y
Yaniv Rosner 已提交
1791 1792 1793
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1794
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Y
Yaniv Rosner 已提交
1795 1796 1797 1798
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
E
Eliezer Tamir 已提交
1799

Y
Yaniv Rosner 已提交
1800 1801 1802 1803
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1804

Y
Yitchak Gertner 已提交
1805
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1806 1807
	/* read GPIO and mask except the float bits */
	gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
E
Eliezer Tamir 已提交
1808

Y
Yaniv Rosner 已提交
1809 1810 1811 1812 1813 1814 1815 1816
	switch (mode) {
	case MISC_REGISTERS_GPIO_OUTPUT_LOW:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1817

Y
Yaniv Rosner 已提交
1818 1819 1820 1821 1822 1823 1824
	case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1825

1826
	case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Y
Yaniv Rosner 已提交
1827 1828 1829 1830 1831
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
		   gpio_num, gpio_shift);
		/* set FLOAT */
		gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1832

Y
Yaniv Rosner 已提交
1833 1834
	default:
		break;
E
Eliezer Tamir 已提交
1835 1836
	}

Y
Yaniv Rosner 已提交
1837
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1838
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1839

Y
Yaniv Rosner 已提交
1840
	return 0;
E
Eliezer Tamir 已提交
1841 1842
}

Y
Yaniv Rosner 已提交
1843
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1844
{
Y
Yaniv Rosner 已提交
1845 1846
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1847

Y
Yaniv Rosner 已提交
1848 1849 1850 1851
	if ((spio_num < MISC_REGISTERS_SPIO_4) ||
	    (spio_num > MISC_REGISTERS_SPIO_7)) {
		BNX2X_ERR("Invalid SPIO %d\n", spio_num);
		return -EINVAL;
E
Eliezer Tamir 已提交
1852 1853
	}

Y
Yitchak Gertner 已提交
1854
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1855 1856
	/* read SPIO and mask except the float bits */
	spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
E
Eliezer Tamir 已提交
1857

Y
Yaniv Rosner 已提交
1858
	switch (mode) {
E
Eilon Greenstein 已提交
1859
	case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Y
Yaniv Rosner 已提交
1860 1861 1862 1863 1864
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
		/* clear FLOAT and set CLR */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1865

E
Eilon Greenstein 已提交
1866
	case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Y
Yaniv Rosner 已提交
1867 1868 1869 1870 1871
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
		/* clear FLOAT and set SET */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1872

Y
Yaniv Rosner 已提交
1873 1874 1875 1876 1877
	case MISC_REGISTERS_SPIO_INPUT_HI_Z:
		DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
		/* set FLOAT */
		spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1878

Y
Yaniv Rosner 已提交
1879 1880
	default:
		break;
E
Eliezer Tamir 已提交
1881 1882
	}

Y
Yaniv Rosner 已提交
1883
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1884
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1885

E
Eliezer Tamir 已提交
1886 1887 1888
	return 0;
}

Y
Yaniv Rosner 已提交
1889
static void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1890
{
Y
Yaniv Rosner 已提交
1891 1892
	switch (bp->link_vars.ieee_fc) {
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1893
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1894 1895 1896
					  ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1897
		bp->port.advertising |= (ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1898 1899 1900
					 ADVERTISED_Pause);
		break;
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1901
		bp->port.advertising |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1902 1903
		break;
	default:
1904
		bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1905 1906 1907 1908
					  ADVERTISED_Pause);
		break;
	}
}
E
Eliezer Tamir 已提交
1909

Y
Yaniv Rosner 已提交
1910 1911 1912 1913 1914 1915
static void bnx2x_link_report(struct bnx2x *bp)
{
	if (bp->link_vars.link_up) {
		if (bp->state == BNX2X_STATE_OPEN)
			netif_carrier_on(bp->dev);
		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
E
Eliezer Tamir 已提交
1916

Y
Yaniv Rosner 已提交
1917
		printk("%d Mbps ", bp->link_vars.line_speed);
E
Eliezer Tamir 已提交
1918

Y
Yaniv Rosner 已提交
1919 1920 1921 1922
		if (bp->link_vars.duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");
E
Eliezer Tamir 已提交
1923

Y
Yaniv Rosner 已提交
1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
		if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
			if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			} else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
E
Eliezer Tamir 已提交
1935

Y
Yaniv Rosner 已提交
1936 1937 1938
	} else { /* link_down */
		netif_carrier_off(bp->dev);
		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
E
Eliezer Tamir 已提交
1939
	}
Y
Yaniv Rosner 已提交
1940 1941 1942 1943
}

static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
{
1944 1945
	if (!BP_NOMCP(bp)) {
		u8 rc;
E
Eliezer Tamir 已提交
1946

1947
		/* Initialize link parameters structure variables */
Y
Yaniv Rosner 已提交
1948 1949 1950 1951 1952 1953 1954 1955
		/* It is recommended to turn off RX FC for jumbo frames
		   for better performance */
		if (IS_E1HMF(bp))
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
		else if (bp->dev->mtu > 5000)
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
		else
			bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
E
Eliezer Tamir 已提交
1956

Y
Yitchak Gertner 已提交
1957
		bnx2x_acquire_phy_lock(bp);
1958
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1959
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1960

1961 1962
		if (bp->link_vars.link_up)
			bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
1963

1964
		bnx2x_calc_fc_adv(bp);
1965

1966 1967 1968 1969
		return rc;
	}
	BNX2X_ERR("Bootcode is missing -not initializing link\n");
	return -EINVAL;
E
Eliezer Tamir 已提交
1970 1971
}

Y
Yaniv Rosner 已提交
1972
static void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1973
{
1974
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1975
		bnx2x_acquire_phy_lock(bp);
1976
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1977
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1978

1979 1980 1981
		bnx2x_calc_fc_adv(bp);
	} else
		BNX2X_ERR("Bootcode is missing -not setting link\n");
Y
Yaniv Rosner 已提交
1982
}
E
Eliezer Tamir 已提交
1983

Y
Yaniv Rosner 已提交
1984 1985
static void bnx2x__link_reset(struct bnx2x *bp)
{
1986
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1987
		bnx2x_acquire_phy_lock(bp);
1988
		bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1989
		bnx2x_release_phy_lock(bp);
1990 1991
	} else
		BNX2X_ERR("Bootcode is missing -not resetting link\n");
Y
Yaniv Rosner 已提交
1992
}
E
Eliezer Tamir 已提交
1993

Y
Yaniv Rosner 已提交
1994 1995 1996
static u8 bnx2x_link_test(struct bnx2x *bp)
{
	u8 rc;
E
Eliezer Tamir 已提交
1997

Y
Yitchak Gertner 已提交
1998
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
1999
	rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
2000
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2001

Y
Yaniv Rosner 已提交
2002 2003
	return rc;
}
E
Eliezer Tamir 已提交
2004

2005 2006 2007 2008 2009 2010 2011
/* Calculates the sum of vn_min_rates.
   It's needed for further normalizing of the min_rates.

   Returns:
     sum of vn_min_rates
       or
     0 - if all the min_rates are 0.
E
Eilon Greenstein 已提交
2012
     In the later case fairness algorithm should be deactivated.
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 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 2084 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
     If not all min_rates are zero then those that are zeroes will
     be set to 1.
 */
static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
{
	int i, port = BP_PORT(bp);
	u32 wsum = 0;
	int all_zero = 1;

	for (i = 0; i < E1HVN_MAX; i++) {
		u32 vn_cfg =
			SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
		u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				     FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
		if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
			/* If min rate is zero - set it to 1 */
			if (!vn_min_rate)
				vn_min_rate = DEF_MIN_RATE;
			else
				all_zero = 0;

			wsum += vn_min_rate;
		}
	}

	/* ... only if all min rates are zeros - disable FAIRNESS */
	if (all_zero)
		return 0;

	return wsum;
}

static void bnx2x_init_port_minmax(struct bnx2x *bp,
				   int en_fness,
				   u16 port_rate,
				   struct cmng_struct_per_port *m_cmng_port)
{
	u32 r_param = port_rate / 8;
	int port = BP_PORT(bp);
	int i;

	memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));

	/* Enable minmax only if we are in e1hmf mode */
	if (IS_E1HMF(bp)) {
		u32 fair_periodic_timeout_usec;
		u32 t_fair;

		/* Enable rate shaping and fairness */
		m_cmng_port->flags.cmng_vn_enable = 1;
		m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
		m_cmng_port->flags.rate_shaping_enable = 1;

		if (!en_fness)
			DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
			   "  fairness will be disabled\n");

		/* 100 usec in SDM ticks = 25 since each tick is 4 usec */
		m_cmng_port->rs_vars.rs_periodic_timeout =
						RS_PERIODIC_TIMEOUT_USEC / 4;

		/* this is the threshold below which no timer arming will occur
		   1.25 coefficient is for the threshold to be a little bigger
		   than the real time, to compensate for timer in-accuracy */
		m_cmng_port->rs_vars.rs_threshold =
				(RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;

		/* resolution of fairness timer */
		fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
		/* for 10G it is 1000usec. for 1G it is 10000usec. */
		t_fair = T_FAIR_COEF / port_rate;

		/* this is the threshold below which we won't arm
		   the timer anymore */
		m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;

		/* we multiply by 1e3/8 to get bytes/msec.
		   We don't want the credits to pass a credit
		   of the T_FAIR*FAIR_MEM (algorithm resolution) */
		m_cmng_port->fair_vars.upper_bound =
						r_param * t_fair * FAIR_MEM;
		/* since each tick is 4 usec */
		m_cmng_port->fair_vars.fairness_timeout =
						fair_periodic_timeout_usec / 4;

	} else {
		/* Disable rate shaping and fairness */
		m_cmng_port->flags.cmng_vn_enable = 0;
		m_cmng_port->flags.fairness_enable = 0;
		m_cmng_port->flags.rate_shaping_enable = 0;

		DP(NETIF_MSG_IFUP,
		   "Single function mode  minmax will be disabled\n");
	}

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
		       ((u32 *)(m_cmng_port))[i]);
}

static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
				   u32 wsum, u16 port_rate,
				 struct cmng_struct_per_port *m_cmng_port)
{
	struct rate_shaping_vars_per_vn m_rs_vn;
	struct fairness_vars_per_vn m_fair_vn;
	u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
	u16 vn_min_rate, vn_max_rate;
	int i;

	/* If function is hidden - set min and max to zeroes */
	if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
		vn_min_rate = 0;
		vn_max_rate = 0;

	} else {
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
		/* If FAIRNESS is enabled (not all min rates are zeroes) and
		   if current min rate is zero - set it to 1.
E
Eilon Greenstein 已提交
2135
		   This is a requirement of the algorithm. */
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 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 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
		if ((vn_min_rate == 0) && wsum)
			vn_min_rate = DEF_MIN_RATE;
		vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
	}

	DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d  vn_max_rate=%d  "
	   "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);

	memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
	memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));

	/* global vn counter - maximal Mbps for this vn */
	m_rs_vn.vn_counter.rate = vn_max_rate;

	/* quota - number of bytes transmitted in this period */
	m_rs_vn.vn_counter.quota =
				(vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;

#ifdef BNX2X_PER_PROT_QOS
	/* per protocol counter */
	for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
		/* maximal Mbps for this protocol */
		m_rs_vn.protocol_counters[protocol].rate =
						protocol_max_rate[protocol];
		/* the quota in each timer period -
		   number of bytes transmitted in this period */
		m_rs_vn.protocol_counters[protocol].quota =
			(u32)(rs_periodic_timeout_usec *
			  ((double)m_rs_vn.
				   protocol_counters[protocol].rate/8));
	}
#endif

	if (wsum) {
		/* credit for each period of the fairness algorithm:
		   number of bytes in T_FAIR (the vn share the port rate).
		   wsum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * wsum) will always be grater than zero */
		m_fair_vn.vn_credit_delta =
			max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
			    (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
		DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
		   m_fair_vn.vn_credit_delta);
	}

#ifdef BNX2X_PER_PROT_QOS
	do {
		u32 protocolWeightSum = 0;

		for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
			protocolWeightSum +=
					drvInit.protocol_min_rate[protocol];
		/* per protocol counter -
		   NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
		if (protocolWeightSum > 0) {
			for (protocol = 0;
			     protocol < NUM_OF_PROTOCOLS; protocol++)
				/* credit for each period of the
				   fairness algorithm - number of bytes in
				   T_FAIR (the protocol share the vn rate) */
				m_fair_vn.protocol_credit_delta[protocol] =
					(u32)((vn_min_rate / 8) * t_fair *
					protocol_min_rate / protocolWeightSum);
		}
	} while (0);
#endif

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_rs_vn))[i]);

	for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_fair_vn))[i]);
}

Y
Yaniv Rosner 已提交
2216 2217 2218
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2219 2220
	int vn;

Y
Yitchak Gertner 已提交
2221 2222 2223
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yitchak Gertner 已提交
2224
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
2225
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
2226
	bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
2227

Y
Yitchak Gertner 已提交
2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242
	if (bp->link_vars.link_up) {

		if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
			struct host_port_stats *pstats;

			pstats = bnx2x_sp(bp, port_stats);
			/* reset old bmac stats */
			memset(&(pstats->mac_stx[0]), 0,
			       sizeof(struct mac_stx));
		}
		if ((bp->state == BNX2X_STATE_OPEN) ||
		    (bp->state == BNX2X_STATE_DISABLED))
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

Y
Yaniv Rosner 已提交
2243 2244
	/* indicate link status */
	bnx2x_link_report(bp);
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

	if (IS_E1HMF(bp)) {
		int func;

		for (vn = VN_0; vn < E1HVN_MAX; vn++) {
			if (vn == BP_E1HVN(bp))
				continue;

			func = ((vn << 1) | BP_PORT(bp));

			/* Set the attention towards other drivers
			   on the same port */
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
			       (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
		}
	}

	if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
		struct cmng_struct_per_port m_cmng_port;
		u32 wsum;
		int port = BP_PORT(bp);

		/* Init RATE SHAPING and FAIRNESS contexts */
		wsum = bnx2x_calc_vn_wsum(bp);
		bnx2x_init_port_minmax(bp, (int)wsum,
					bp->link_vars.line_speed,
					&m_cmng_port);
		if (IS_E1HMF(bp))
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, 2*vn + port,
					wsum, bp->link_vars.line_speed,
						     &m_cmng_port);
	}
Y
Yaniv Rosner 已提交
2278
}
E
Eliezer Tamir 已提交
2279

Y
Yaniv Rosner 已提交
2280 2281 2282 2283
static void bnx2x__link_status_update(struct bnx2x *bp)
{
	if (bp->state != BNX2X_STATE_OPEN)
		return;
E
Eliezer Tamir 已提交
2284

Y
Yaniv Rosner 已提交
2285
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2286

Y
Yitchak Gertner 已提交
2287 2288 2289 2290 2291
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2292 2293
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2294 2295
}

2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307
static void bnx2x_pmf_update(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	bp->port.pmf = 1;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* enable nig attention */
	val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Y
Yitchak Gertner 已提交
2308 2309

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2310 2311
}

Y
Yaniv Rosner 已提交
2312
/* end of Link */
E
Eliezer Tamir 已提交
2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323

/* slow path */

/*
 * General service functions
 */

/* the slow path queue is odd since completions arrive on the fastpath ring */
static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
			 u32 data_hi, u32 data_lo, int common)
{
2324
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
2325

2326 2327
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
	   "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
E
Eliezer Tamir 已提交
2328 2329 2330 2331 2332 2333 2334 2335 2336
	   (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
	   (void *)bp->spq_prod_bd - (void *)bp->spq), command,
	   HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

2337
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2338 2339 2340

	if (!bp->spq_left) {
		BNX2X_ERR("BUG! SPQ ring full!\n");
2341
		spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2342 2343 2344
		bnx2x_panic();
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
2345

E
Eliezer Tamir 已提交
2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369
	/* CID needs port number to be encoded int it */
	bp->spq_prod_bd->hdr.conn_and_cmd_data =
			cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
				     HW_CID(bp, cid)));
	bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
	if (common)
		bp->spq_prod_bd->hdr.type |=
			cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));

	bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
	bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);

	bp->spq_left--;

	if (bp->spq_prod_bd == bp->spq_last_bd) {
		bp->spq_prod_bd = bp->spq;
		bp->spq_prod_idx = 0;
		DP(NETIF_MSG_TIMER, "end of spq\n");

	} else {
		bp->spq_prod_bd++;
		bp->spq_prod_idx++;
	}

2370
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
E
Eliezer Tamir 已提交
2371 2372
	       bp->spq_prod_idx);

2373
	spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2374 2375 2376 2377
	return 0;
}

/* acquire split MCP access lock register */
Y
Yitchak Gertner 已提交
2378
static int bnx2x_acquire_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2379 2380
{
	u32 i, j, val;
2381
	int rc = 0;
E
Eliezer Tamir 已提交
2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394

	might_sleep();
	i = 100;
	for (j = 0; j < i*10; j++) {
		val = (1UL << 31);
		REG_WR(bp, GRCBASE_MCP + 0x9c, val);
		val = REG_RD(bp, GRCBASE_MCP + 0x9c);
		if (val & (1L << 31))
			break;

		msleep(5);
	}
	if (!(val & (1L << 31))) {
2395
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
Eliezer Tamir 已提交
2396 2397 2398 2399 2400 2401
		rc = -EBUSY;
	}

	return rc;
}

Y
Yitchak Gertner 已提交
2402 2403
/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
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 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444
{
	u32 val = 0;

	REG_WR(bp, GRCBASE_MCP + 0x9c, val);
}

static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
	struct host_def_status_block *def_sb = bp->def_status_blk;
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
		bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
		rc |= 1;
	}
	if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
		bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
		rc |= 2;
	}
	if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
		bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
		rc |= 4;
	}
	if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
		bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
		rc |= 8;
	}
	if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
		bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
		rc |= 16;
	}
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2445
	int port = BP_PORT(bp);
2446 2447
	u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
		       COMMAND_REG_ATTN_BITS_SET);
E
Eliezer Tamir 已提交
2448 2449
	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2450 2451
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
Eilon Greenstein 已提交
2452
	u32 aeu_mask;
E
Eliezer Tamir 已提交
2453 2454 2455 2456

	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

E
Eilon Greenstein 已提交
2457 2458 2459
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, aeu_addr);

E
Eliezer Tamir 已提交
2460
	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
Eilon Greenstein 已提交
2461 2462 2463
	   aeu_mask, asserted);
	aeu_mask &= ~(asserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2464

E
Eilon Greenstein 已提交
2465 2466
	REG_WR(bp, aeu_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
2467

E
Eilon Greenstein 已提交
2468
	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2469
	bp->attn_state |= asserted;
E
Eilon Greenstein 已提交
2470
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2471 2472 2473 2474

	if (asserted & ATTN_HARD_WIRED_MASK) {
		if (asserted & ATTN_NIG_FOR_FUNC) {

2475 2476 2477
			/* save nig interrupt mask */
			bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
			REG_WR(bp, nig_int_mask_addr, 0);
E
Eliezer Tamir 已提交
2478

Y
Yaniv Rosner 已提交
2479
			bnx2x_link_attn(bp);
E
Eliezer Tamir 已提交
2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524

			/* handle unicore attn? */
		}
		if (asserted & ATTN_SW_TIMER_4_FUNC)
			DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");

		if (asserted & GPIO_2_FUNC)
			DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");

		if (asserted & GPIO_3_FUNC)
			DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");

		if (asserted & GPIO_4_FUNC)
			DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");

		if (port == 0) {
			if (asserted & ATTN_GENERAL_ATTN_1) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_2) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_3) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
			}
		} else {
			if (asserted & ATTN_GENERAL_ATTN_4) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_5) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_6) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
			}
		}

	} /* if hardwired */

2525 2526 2527
	DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
	   asserted, hc_addr);
	REG_WR(bp, hc_addr, asserted);
E
Eliezer Tamir 已提交
2528 2529 2530

	/* now set back the mask */
	if (asserted & ATTN_NIG_FOR_FUNC)
2531
		REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
E
Eliezer Tamir 已提交
2532 2533
}

2534
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
Eliezer Tamir 已提交
2535
{
2536
	int port = BP_PORT(bp);
2537 2538 2539
	int reg_offset;
	u32 val;

2540 2541
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2542

2543
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2544 2545 2546 2547 2548 2549 2550

		val = REG_RD(bp, reg_offset);
		val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("SPIO5 hw attention\n");

2551
		switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2552
		case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
2553 2554 2555
		case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
			/* Fan failure attention */

2556
			/* The PHY reset is controlled by GPIO 1 */
2557
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2558 2559
				       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
			/* Low power mode is controlled by GPIO 2 */
2560
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2561
				       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2562
			/* mark the failure */
Y
Yaniv Rosner 已提交
2563
			bp->link_params.ext_phy_config &=
2564
					~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Y
Yaniv Rosner 已提交
2565
			bp->link_params.ext_phy_config |=
2566 2567 2568 2569
					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
			SHMEM_WR(bp,
				 dev_info.port_hw_config[port].
							external_phy_config,
Y
Yaniv Rosner 已提交
2570
				 bp->link_params.ext_phy_config);
2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582
			/* log the failure */
			printk(KERN_ERR PFX "Fan Failure on Network"
			       " Controller %s has caused the driver to"
			       " shutdown the card to prevent permanent"
			       " damage.  Please contact Dell Support for"
			       " assistance\n", bp->dev->name);
			break;

		default:
			break;
		}
	}
2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593

	if (attn & HW_INTERRUT_ASSERT_SET_0) {

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_0));
		bnx2x_panic();
	}
2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607
}

static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & BNX2X_DOORQ_ASSERT) {

		val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
		BNX2X_ERR("DB hw attention 0x%x\n", val);
		/* DORQ discard attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from DORQ\n");
	}
2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624

	if (attn & HW_INTERRUT_ASSERT_SET_1) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_1));
		bnx2x_panic();
	}
2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647
}

static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {

		val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
		BNX2X_ERR("CFC hw attention 0x%x\n", val);
		/* CFC error attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from CFC\n");
	}

	if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {

		val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
		BNX2X_ERR("PXP hw attention 0x%x\n", val);
		/* RQ_USDMDP_FIFO_OVERFLOW */
		if (val & 0x18000)
			BNX2X_ERR("FATAL error from PXP\n");
	}
2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664

	if (attn & HW_INTERRUT_ASSERT_SET_2) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
			  (attn & HW_INTERRUT_ASSERT_SET_2));
		bnx2x_panic();
	}
2665 2666 2667 2668
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
2669 2670
	u32 val;

2671 2672
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

2673 2674 2675 2676 2677 2678 2679 2680 2681 2682
		if (attn & BNX2X_PMF_LINK_ASSERT) {
			int func = BP_FUNC(bp);

			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
			bnx2x__link_status_update(bp);
			if (SHMEM_RD(bp, func_mb[func].drv_status) &
							DRV_STATUS_PMF)
				bnx2x_pmf_update(bp);

		} else if (attn & BNX2X_MC_ASSERT_BITS) {
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694

			BNX2X_ERR("MC assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
			bnx2x_panic();

		} else if (attn & BNX2X_MCP_ASSERT) {

			BNX2X_ERR("MCP assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2695
			bnx2x_fw_dump(bp);
2696 2697 2698 2699 2700 2701

		} else
			BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
	}

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
			val = CHIP_IS_E1H(bp) ?
				REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
			val = CHIP_IS_E1H(bp) ?
				REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
2713 2714 2715 2716 2717 2718
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
E
Eliezer Tamir 已提交
2719 2720
	struct attn_route attn;
	struct attn_route group_mask;
2721
	int port = BP_PORT(bp);
2722
	int index;
E
Eliezer Tamir 已提交
2723 2724
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
2725
	u32 aeu_mask;
E
Eliezer Tamir 已提交
2726 2727 2728

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
2729
	bnx2x_acquire_alr(bp);
E
Eliezer Tamir 已提交
2730 2731 2732 2733 2734

	attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
	attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
	attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
	attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2735 2736
	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
E
Eliezer Tamir 已提交
2737 2738 2739 2740 2741

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
			group_mask = bp->attn_group[index];

2742 2743 2744
			DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
			   index, group_mask.sig[0], group_mask.sig[1],
			   group_mask.sig[2], group_mask.sig[3]);
E
Eliezer Tamir 已提交
2745

2746 2747 2748 2749 2750 2751 2752 2753
			bnx2x_attn_int_deasserted3(bp,
					attn.sig[3] & group_mask.sig[3]);
			bnx2x_attn_int_deasserted1(bp,
					attn.sig[1] & group_mask.sig[1]);
			bnx2x_attn_int_deasserted2(bp,
					attn.sig[2] & group_mask.sig[2]);
			bnx2x_attn_int_deasserted0(bp,
					attn.sig[0] & group_mask.sig[0]);
E
Eliezer Tamir 已提交
2754 2755 2756 2757 2758 2759 2760

			if ((attn.sig[0] & group_mask.sig[0] &
						HW_PRTY_ASSERT_SET_0) ||
			    (attn.sig[1] & group_mask.sig[1] &
						HW_PRTY_ASSERT_SET_1) ||
			    (attn.sig[2] & group_mask.sig[2] &
						HW_PRTY_ASSERT_SET_2))
E
Eilon Greenstein 已提交
2761
				BNX2X_ERR("FATAL HW block parity attention\n");
E
Eliezer Tamir 已提交
2762 2763 2764
		}
	}

Y
Yitchak Gertner 已提交
2765
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
2766

2767
	reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
E
Eliezer Tamir 已提交
2768 2769

	val = ~deasserted;
E
Eilon Greenstein 已提交
2770 2771
	DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
	   val, reg_addr);
2772
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
2773 2774

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
2775
		BNX2X_ERR("IGU ERROR\n");
E
Eliezer Tamir 已提交
2776 2777 2778 2779

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
Eilon Greenstein 已提交
2780 2781 2782 2783 2784 2785 2786
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, reg_addr);

	DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
	   aeu_mask, deasserted);
	aeu_mask |= (deasserted & 0xff);
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2787

E
Eilon Greenstein 已提交
2788 2789
	REG_WR(bp, reg_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811

	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
	bp->attn_state &= ~deasserted;
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
}

static void bnx2x_attn_int(struct bnx2x *bp)
{
	/* read local copy of bits */
	u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
	u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
	u32 attn_state = bp->attn_state;

	/* look for changed bits */
	u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
	u32 deasserted = ~attn_bits &  attn_ack &  attn_state;

	DP(NETIF_MSG_HW,
	   "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
	   attn_bits, attn_ack, asserted, deasserted);

	if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2812
		BNX2X_ERR("BAD attention state\n");
E
Eliezer Tamir 已提交
2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826

	/* handle bits that were raised */
	if (asserted)
		bnx2x_attn_int_asserted(bp, asserted);

	if (deasserted)
		bnx2x_attn_int_deasserted(bp, deasserted);
}

static void bnx2x_sp_task(struct work_struct *work)
{
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
	u16 status;

2827

E
Eliezer Tamir 已提交
2828 2829
	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2830
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
2831 2832 2833 2834
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
2835 2836
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
2837

2838
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
E
Eliezer Tamir 已提交
2839

2840 2841
	/* HW attentions */
	if (status & 0x1)
E
Eliezer Tamir 已提交
2842 2843
		bnx2x_attn_int(bp);

Y
Yitchak Gertner 已提交
2844 2845 2846 2847
	/* CStorm events: query_stats, port delete ramrod */
	if (status & 0x2)
		bp->stats_pending = 0;

E
Eliezer Tamir 已提交
2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
	bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
		     IGU_INT_NOP, 1);
	bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
		     IGU_INT_ENABLE, 1);
2858

E
Eliezer Tamir 已提交
2859 2860 2861 2862 2863 2864 2865 2866 2867
}

static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2868
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
2869 2870 2871
		return IRQ_HANDLED;
	}

2872
	bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
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

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

	schedule_work(&bp->sp_task);

	return IRQ_HANDLED;
}

/* end of slow path */

/* Statistics */

/****************************************************************************
* Macros
****************************************************************************/

/* sum[hi:lo] += add[hi:lo] */
#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
	do { \
		s_lo += a_lo; \
		s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
	} while (0)

/* difference = minuend - subtrahend */
#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
	do { \
Y
Yitchak Gertner 已提交
2902 2903
		if (m_lo < s_lo) { \
			/* underflow */ \
E
Eliezer Tamir 已提交
2904
			d_hi = m_hi - s_hi; \
Y
Yitchak Gertner 已提交
2905
			if (d_hi > 0) { \
E
Eilon Greenstein 已提交
2906
				/* we can 'loan' 1 */ \
E
Eliezer Tamir 已提交
2907 2908
				d_hi--; \
				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Y
Yitchak Gertner 已提交
2909
			} else { \
E
Eilon Greenstein 已提交
2910
				/* m_hi <= s_hi */ \
E
Eliezer Tamir 已提交
2911 2912 2913
				d_hi = 0; \
				d_lo = 0; \
			} \
Y
Yitchak Gertner 已提交
2914 2915
		} else { \
			/* m_lo >= s_lo */ \
E
Eliezer Tamir 已提交
2916
			if (m_hi < s_hi) { \
Y
Yitchak Gertner 已提交
2917 2918 2919
				d_hi = 0; \
				d_lo = 0; \
			} else { \
E
Eilon Greenstein 已提交
2920
				/* m_hi >= s_hi */ \
Y
Yitchak Gertner 已提交
2921 2922
				d_hi = m_hi - s_hi; \
				d_lo = m_lo - s_lo; \
E
Eliezer Tamir 已提交
2923 2924 2925 2926
			} \
		} \
	} while (0)

Y
Yitchak Gertner 已提交
2927
#define UPDATE_STAT64(s, t) \
E
Eliezer Tamir 已提交
2928
	do { \
Y
Yitchak Gertner 已提交
2929 2930 2931 2932 2933 2934
		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
		pstats->mac_stx[0].t##_hi = new->s##_hi; \
		pstats->mac_stx[0].t##_lo = new->s##_lo; \
		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
		       pstats->mac_stx[1].t##_lo, diff.lo); \
E
Eliezer Tamir 已提交
2935 2936
	} while (0)

Y
Yitchak Gertner 已提交
2937
#define UPDATE_STAT64_NIG(s, t) \
E
Eliezer Tamir 已提交
2938
	do { \
Y
Yitchak Gertner 已提交
2939 2940 2941 2942
		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
			diff.lo, new->s##_lo, old->s##_lo); \
		ADD_64(estats->t##_hi, diff.hi, \
		       estats->t##_lo, diff.lo); \
E
Eliezer Tamir 已提交
2943 2944 2945 2946 2947 2948 2949 2950 2951
	} while (0)

/* sum[hi:lo] += add */
#define ADD_EXTEND_64(s_hi, s_lo, a) \
	do { \
		s_lo += a; \
		s_hi += (s_lo < a) ? 1 : 0; \
	} while (0)

Y
Yitchak Gertner 已提交
2952
#define UPDATE_EXTEND_STAT(s) \
E
Eliezer Tamir 已提交
2953
	do { \
Y
Yitchak Gertner 已提交
2954 2955 2956
		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
			      pstats->mac_stx[1].s##_lo, \
			      new->s); \
E
Eliezer Tamir 已提交
2957 2958
	} while (0)

Y
Yitchak Gertner 已提交
2959
#define UPDATE_EXTEND_TSTAT(s, t) \
E
Eliezer Tamir 已提交
2960 2961 2962
	do { \
		diff = le32_to_cpu(tclient->s) - old_tclient->s; \
		old_tclient->s = le32_to_cpu(tclient->s); \
Y
Yitchak Gertner 已提交
2963 2964 2965 2966 2967 2968 2969 2970
		ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
	} while (0)

#define UPDATE_EXTEND_XSTAT(s, t) \
	do { \
		diff = le32_to_cpu(xclient->s) - old_xclient->s; \
		old_xclient->s = le32_to_cpu(xclient->s); \
		ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
E
Eliezer Tamir 已提交
2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992
	} while (0)

/*
 * General service functions
 */

static inline long bnx2x_hilo(u32 *hiref)
{
	u32 lo = *(hiref + 1);
#if (BITS_PER_LONG == 64)
	u32 hi = *hiref;

	return HILO_U64(hi, lo);
#else
	return lo;
#endif
}

/*
 * Init service functions
 */

Y
Yitchak Gertner 已提交
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
static void bnx2x_storm_stats_post(struct bnx2x *bp)
{
	if (!bp->stats_pending) {
		struct eth_query_ramrod_data ramrod_data = {0};
		int rc;

		ramrod_data.drv_counter = bp->stats_counter++;
		ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
		ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));

		rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
				   ((u32 *)&ramrod_data)[1],
				   ((u32 *)&ramrod_data)[0], 0);
		if (rc == 0) {
			/* stats ramrod has it's own slot on the spq */
			bp->spq_left++;
			bp->stats_pending = 1;
		}
	}
}

static void bnx2x_stats_init(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	bp->executer_idx = 0;
	bp->stats_counter = 0;

	/* port stats */
	if (!BP_NOMCP(bp))
		bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
	else
		bp->port.port_stx = 0;
	DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);

	memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
	bp->port.old_nig_stats.brb_discard =
			REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Y
Yitchak Gertner 已提交
3031 3032
	bp->port.old_nig_stats.brb_truncate =
			REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Y
Yitchak Gertner 已提交
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 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106
	REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
		    &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
	REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
		    &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);

	/* function stats */
	memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
	memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
	memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
	memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));

	bp->stats_state = STATS_STATE_DISABLED;
	if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
		bnx2x_stats_handle(bp, STATS_EVENT_PMF);
}

static void bnx2x_hw_stats_post(struct bnx2x *bp)
{
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	*stats_comp = DMAE_COMP_VAL;

	/* loader */
	if (bp->executer_idx) {
		int loader_idx = PMF_DMAE_C(bp);

		memset(dmae, 0, sizeof(struct dmae_command));

		dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
				DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
				DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
				DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
				DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
				(BP_PORT(bp) ? DMAE_CMD_PORT_1 :
					       DMAE_CMD_PORT_0) |
				(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
		dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
				     sizeof(struct dmae_command) *
				     (loader_idx + 1)) >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct dmae_command) >> 2;
		if (CHIP_IS_E1(bp))
			dmae->len--;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		*stats_comp = 0;
		bnx2x_post_dmae(bp, dmae, loader_idx);

	} else if (bp->func_stx) {
		*stats_comp = 0;
		bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
	}
}

static int bnx2x_stats_comp(struct bnx2x *bp)
{
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int cnt = 10;

	might_sleep();
	while (*stats_comp != DMAE_COMP_VAL) {
		if (!cnt) {
			BNX2X_ERR("timeout waiting for stats finished\n");
			break;
		}
		cnt--;
Y
Yitchak Gertner 已提交
3107
		msleep(1);
Y
Yitchak Gertner 已提交
3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156
	}
	return 1;
}

/*
 * Statistics service functions
 */

static void bnx2x_stats_pmf_update(struct bnx2x *bp)
{
	struct dmae_command *dmae;
	u32 opcode;
	int loader_idx = PMF_DMAE_C(bp);
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	/* sanity */
	if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}

	bp->executer_idx = 0;

	opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
		  DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
		  DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
		  (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
	dmae->src_addr_lo = bp->port.port_stx >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
	dmae->len = DMAE_LEN32_RD_MAX;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
	dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
	dmae->src_addr_hi = 0;
3157 3158 3159 3160
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
				   DMAE_LEN32_RD_MAX * 4);
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
				   DMAE_LEN32_RD_MAX * 4);
Y
Yitchak Gertner 已提交
3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171
	dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;

	*stats_comp = 0;
	bnx2x_hw_stats_post(bp);
	bnx2x_stats_comp(bp);
}

static void bnx2x_port_stats_init(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3172 3173
{
	struct dmae_command *dmae;
3174
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
3175
	int vn = BP_E1HVN(bp);
E
Eliezer Tamir 已提交
3176
	u32 opcode;
Y
Yitchak Gertner 已提交
3177
	int loader_idx = PMF_DMAE_C(bp);
E
Eliezer Tamir 已提交
3178
	u32 mac_addr;
Y
Yitchak Gertner 已提交
3179 3180 3181 3182 3183 3184 3185
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);

	/* sanity */
	if (!bp->link_vars.link_up || !bp->port.pmf) {
		BNX2X_ERR("BUG!\n");
		return;
	}
E
Eliezer Tamir 已提交
3186 3187

	bp->executer_idx = 0;
Y
Yitchak Gertner 已提交
3188 3189 3190 3191 3192

	/* MCP */
	opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
		  DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
E
Eliezer Tamir 已提交
3193
#ifdef __BIG_ENDIAN
Y
Yitchak Gertner 已提交
3194
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
E
Eliezer Tamir 已提交
3195
#else
Y
Yitchak Gertner 已提交
3196
		  DMAE_CMD_ENDIANITY_DW_SWAP |
E
Eliezer Tamir 已提交
3197
#endif
Y
Yitchak Gertner 已提交
3198 3199
		  (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (vn << DMAE_CMD_E1HVN_SHIFT));
E
Eliezer Tamir 已提交
3200

Y
Yitchak Gertner 已提交
3201
	if (bp->port.port_stx) {
E
Eliezer Tamir 已提交
3202 3203 3204

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
Y
Yitchak Gertner 已提交
3205 3206 3207
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
		dmae->dst_addr_lo = bp->port.port_stx >> 2;
E
Eliezer Tamir 已提交
3208
		dmae->dst_addr_hi = 0;
Y
Yitchak Gertner 已提交
3209 3210 3211 3212
		dmae->len = sizeof(struct host_port_stats) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
E
Eliezer Tamir 已提交
3213 3214
	}

Y
Yitchak Gertner 已提交
3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226
	if (bp->func_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
		dmae->dst_addr_lo = bp->func_stx >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct host_func_stats) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
E
Eliezer Tamir 已提交
3227 3228
	}

Y
Yitchak Gertner 已提交
3229
	/* MAC */
E
Eliezer Tamir 已提交
3230 3231 3232 3233 3234 3235 3236 3237
	opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
		  DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
		  DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
Y
Yitchak Gertner 已提交
3238 3239
		  (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (vn << DMAE_CMD_E1HVN_SHIFT));
E
Eliezer Tamir 已提交
3240

Y
Yaniv Rosner 已提交
3241
	if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
E
Eliezer Tamir 已提交
3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268

		mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
				   NIG_REG_INGRESS_BMAC0_MEM);

		/* BIGMAC_REGISTER_TX_STAT_GTPKT ..
		   BIGMAC_REGISTER_TX_STAT_GTBYT */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
		dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
			     BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* BIGMAC_REGISTER_RX_STAT_GR64 ..
		   BIGMAC_REGISTER_RX_STAT_GRIPJ */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3269
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
Eliezer Tamir 已提交
3270
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3271
				offsetof(struct bmac_stats, rx_stat_gr64_lo));
E
Eliezer Tamir 已提交
3272 3273 3274 3275 3276 3277
		dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
			     BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

Y
Yaniv Rosner 已提交
3278
	} else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
E
Eliezer Tamir 已提交
3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301

		mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);

		/* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_RX_STAT_AC) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
		dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* EMAC_REG_EMAC_RX_STAT_AC_28 */
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3302
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3303
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3304
		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
E
Eliezer Tamir 已提交
3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316
		dmae->len = 1;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;

		/* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = opcode;
		dmae->src_addr_lo = (mac_addr +
				     EMAC_REG_EMAC_TX_STAT_AC) >> 2;
		dmae->src_addr_hi = 0;
		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3317
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
Eliezer Tamir 已提交
3318
		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Y
Yitchak Gertner 已提交
3319
			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
E
Eliezer Tamir 已提交
3320 3321 3322 3323 3324 3325 3326
		dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
		dmae->comp_addr_hi = 0;
		dmae->comp_val = 1;
	}

	/* NIG */
Y
Yitchak Gertner 已提交
3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352
	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = opcode;
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
				    NIG_REG_STAT0_BRB_DISCARD) >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
	dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = opcode;
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
				    NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
	dmae->src_addr_hi = 0;
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt0_lo));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt0_lo));
	dmae->len = (2*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
	dmae->comp_addr_hi = 0;
	dmae->comp_val = 1;

E
Eliezer Tamir 已提交
3353 3354 3355 3356 3357 3358 3359 3360 3361
	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
	dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
Y
Yitchak Gertner 已提交
3362 3363 3364 3365
			(port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(vn << DMAE_CMD_E1HVN_SHIFT));
	dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
				    NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
E
Eliezer Tamir 已提交
3366
	dmae->src_addr_hi = 0;
Y
Yitchak Gertner 已提交
3367 3368 3369 3370 3371 3372 3373 3374 3375 3376
	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt1_lo));
	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
			offsetof(struct nig_stats, egress_mac_pkt1_lo));
	dmae->len = (2*sizeof(u32)) >> 2;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;

	*stats_comp = 0;
E
Eliezer Tamir 已提交
3377 3378
}

Y
Yitchak Gertner 已提交
3379
static void bnx2x_func_stats_init(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3380
{
Y
Yitchak Gertner 已提交
3381 3382
	struct dmae_command *dmae = &bp->stats_dmae;
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3383

Y
Yitchak Gertner 已提交
3384 3385 3386 3387 3388
	/* sanity */
	if (!bp->func_stx) {
		BNX2X_ERR("BUG!\n");
		return;
	}
E
Eliezer Tamir 已提交
3389

Y
Yitchak Gertner 已提交
3390 3391
	bp->executer_idx = 0;
	memset(dmae, 0, sizeof(struct dmae_command));
E
Eliezer Tamir 已提交
3392

Y
Yitchak Gertner 已提交
3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410
	dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
			DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
			DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
#ifdef __BIG_ENDIAN
			DMAE_CMD_ENDIANITY_B_DW_SWAP |
#else
			DMAE_CMD_ENDIANITY_DW_SWAP |
#endif
			(BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
			(BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
	dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
	dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
	dmae->dst_addr_lo = bp->func_stx >> 2;
	dmae->dst_addr_hi = 0;
	dmae->len = sizeof(struct host_func_stats) >> 2;
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
	dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
3411

Y
Yitchak Gertner 已提交
3412 3413
	*stats_comp = 0;
}
E
Eliezer Tamir 已提交
3414

Y
Yitchak Gertner 已提交
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
static void bnx2x_stats_start(struct bnx2x *bp)
{
	if (bp->port.pmf)
		bnx2x_port_stats_init(bp);

	else if (bp->func_stx)
		bnx2x_func_stats_init(bp);

	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}

static void bnx2x_stats_pmf_start(struct bnx2x *bp)
{
	bnx2x_stats_comp(bp);
	bnx2x_stats_pmf_update(bp);
	bnx2x_stats_start(bp);
}

static void bnx2x_stats_restart(struct bnx2x *bp)
{
	bnx2x_stats_comp(bp);
	bnx2x_stats_start(bp);
}

static void bnx2x_bmac_stats_update(struct bnx2x *bp)
{
	struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
	struct regpair diff;

	UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
	UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
	UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
	UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
	UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
	UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Y
Yitchak Gertner 已提交
3452
	UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Y
Yitchak Gertner 已提交
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 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532
	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
	UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
	UPDATE_STAT64(tx_stat_gt127,
				tx_stat_etherstatspkts65octetsto127octets);
	UPDATE_STAT64(tx_stat_gt255,
				tx_stat_etherstatspkts128octetsto255octets);
	UPDATE_STAT64(tx_stat_gt511,
				tx_stat_etherstatspkts256octetsto511octets);
	UPDATE_STAT64(tx_stat_gt1023,
				tx_stat_etherstatspkts512octetsto1023octets);
	UPDATE_STAT64(tx_stat_gt1518,
				tx_stat_etherstatspkts1024octetsto1522octets);
	UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
	UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
	UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
	UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
	UPDATE_STAT64(tx_stat_gterr,
				tx_stat_dot3statsinternalmactransmiterrors);
	UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
}

static void bnx2x_emac_stats_update(struct bnx2x *bp)
{
	struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);

	UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
	UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
	UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
	UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
	UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
	UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
	UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
	UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
	UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
	UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
	UPDATE_EXTEND_STAT(tx_stat_outxonsent);
	UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
	UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
	UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
	UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
	UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
	UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
}

static int bnx2x_hw_stats_update(struct bnx2x *bp)
{
	struct nig_stats *new = bnx2x_sp(bp, nig_stats);
	struct nig_stats *old = &(bp->port.old_nig_stats);
	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
	struct regpair diff;

	if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
		bnx2x_bmac_stats_update(bp);

	else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
		bnx2x_emac_stats_update(bp);

	else { /* unreached */
		BNX2X_ERR("stats updated by dmae but no MAC active\n");
		return -1;
	}
E
Eliezer Tamir 已提交
3533

Y
Yitchak Gertner 已提交
3534 3535
	ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
		      new->brb_discard - old->brb_discard);
Y
Yitchak Gertner 已提交
3536 3537
	ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
		      new->brb_truncate - old->brb_truncate);
E
Eliezer Tamir 已提交
3538

Y
Yitchak Gertner 已提交
3539 3540 3541
	UPDATE_STAT64_NIG(egress_mac_pkt0,
					etherstatspkts1024octetsto1522octets);
	UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
E
Eliezer Tamir 已提交
3542

Y
Yitchak Gertner 已提交
3543
	memcpy(old, new, sizeof(struct nig_stats));
E
Eliezer Tamir 已提交
3544

Y
Yitchak Gertner 已提交
3545 3546 3547 3548
	memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
	       sizeof(struct mac_stx));
	estats->brb_drop_hi = pstats->brb_drop_hi;
	estats->brb_drop_lo = pstats->brb_drop_lo;
E
Eliezer Tamir 已提交
3549

Y
Yitchak Gertner 已提交
3550
	pstats->host_port_stats_start = ++pstats->host_port_stats_end;
E
Eliezer Tamir 已提交
3551

Y
Yitchak Gertner 已提交
3552
	return 0;
E
Eliezer Tamir 已提交
3553 3554
}

Y
Yitchak Gertner 已提交
3555
static int bnx2x_storm_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3556 3557
{
	struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
Y
Yitchak Gertner 已提交
3558 3559 3560
	int cl_id = BP_CL_ID(bp);
	struct tstorm_per_port_stats *tport =
				&stats->tstorm_common.port_statistics;
E
Eliezer Tamir 已提交
3561
	struct tstorm_per_client_stats *tclient =
Y
Yitchak Gertner 已提交
3562
			&stats->tstorm_common.client_statistics[cl_id];
E
Eliezer Tamir 已提交
3563
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
Y
Yitchak Gertner 已提交
3564 3565 3566 3567 3568
	struct xstorm_per_client_stats *xclient =
			&stats->xstorm_common.client_statistics[cl_id];
	struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
	struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3569 3570
	u32 diff;

Y
Yitchak Gertner 已提交
3571 3572 3573 3574 3575 3576
	/* are storm stats valid? */
	if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
							bp->stats_counter) {
		DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
		   "  tstorm counter (%d) != stats_counter (%d)\n",
		   tclient->stats_counter, bp->stats_counter);
E
Eliezer Tamir 已提交
3577 3578
		return -1;
	}
Y
Yitchak Gertner 已提交
3579 3580 3581 3582 3583
	if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
							bp->stats_counter) {
		DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
		   "  xstorm counter (%d) != stats_counter (%d)\n",
		   xclient->stats_counter, bp->stats_counter);
E
Eliezer Tamir 已提交
3584 3585 3586
		return -2;
	}

Y
Yitchak Gertner 已提交
3587 3588
	fstats->total_bytes_received_hi =
	fstats->valid_bytes_received_hi =
E
Eliezer Tamir 已提交
3589
				le32_to_cpu(tclient->total_rcv_bytes.hi);
Y
Yitchak Gertner 已提交
3590 3591
	fstats->total_bytes_received_lo =
	fstats->valid_bytes_received_lo =
E
Eliezer Tamir 已提交
3592
				le32_to_cpu(tclient->total_rcv_bytes.lo);
Y
Yitchak Gertner 已提交
3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608

	estats->error_bytes_received_hi =
				le32_to_cpu(tclient->rcv_error_bytes.hi);
	estats->error_bytes_received_lo =
				le32_to_cpu(tclient->rcv_error_bytes.lo);
	ADD_64(estats->error_bytes_received_hi,
	       estats->rx_stat_ifhcinbadoctets_hi,
	       estats->error_bytes_received_lo,
	       estats->rx_stat_ifhcinbadoctets_lo);

	ADD_64(fstats->total_bytes_received_hi,
	       estats->error_bytes_received_hi,
	       fstats->total_bytes_received_lo,
	       estats->error_bytes_received_lo);

	UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
E
Eliezer Tamir 已提交
3609
	UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
Y
Yitchak Gertner 已提交
3610
				total_multicast_packets_received);
E
Eliezer Tamir 已提交
3611
	UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
Y
Yitchak Gertner 已提交
3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
				total_broadcast_packets_received);

	fstats->total_bytes_transmitted_hi =
				le32_to_cpu(xclient->total_sent_bytes.hi);
	fstats->total_bytes_transmitted_lo =
				le32_to_cpu(xclient->total_sent_bytes.lo);

	UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
				total_unicast_packets_transmitted);
	UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
				total_multicast_packets_transmitted);
	UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
				total_broadcast_packets_transmitted);

	memcpy(estats, &(fstats->total_bytes_received_hi),
	       sizeof(struct host_func_stats) - 2*sizeof(u32));

	estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
	estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
	estats->brb_truncate_discard =
				le32_to_cpu(tport->brb_truncate_discard);
	estats->mac_discard = le32_to_cpu(tport->mac_discard);

	old_tclient->rcv_unicast_bytes.hi =
E
Eliezer Tamir 已提交
3636
				le32_to_cpu(tclient->rcv_unicast_bytes.hi);
Y
Yitchak Gertner 已提交
3637
	old_tclient->rcv_unicast_bytes.lo =
E
Eliezer Tamir 已提交
3638
				le32_to_cpu(tclient->rcv_unicast_bytes.lo);
Y
Yitchak Gertner 已提交
3639
	old_tclient->rcv_broadcast_bytes.hi =
E
Eliezer Tamir 已提交
3640
				le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
Y
Yitchak Gertner 已提交
3641
	old_tclient->rcv_broadcast_bytes.lo =
E
Eliezer Tamir 已提交
3642
				le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
Y
Yitchak Gertner 已提交
3643
	old_tclient->rcv_multicast_bytes.hi =
E
Eliezer Tamir 已提交
3644
				le32_to_cpu(tclient->rcv_multicast_bytes.hi);
Y
Yitchak Gertner 已提交
3645
	old_tclient->rcv_multicast_bytes.lo =
E
Eliezer Tamir 已提交
3646
				le32_to_cpu(tclient->rcv_multicast_bytes.lo);
Y
Yitchak Gertner 已提交
3647
	old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
E
Eliezer Tamir 已提交
3648

Y
Yitchak Gertner 已提交
3649 3650
	old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
	old_tclient->packets_too_big_discard =
E
Eliezer Tamir 已提交
3651
				le32_to_cpu(tclient->packets_too_big_discard);
Y
Yitchak Gertner 已提交
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
	estats->no_buff_discard =
	old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
	old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);

	old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
	old_xclient->unicast_bytes_sent.hi =
				le32_to_cpu(xclient->unicast_bytes_sent.hi);
	old_xclient->unicast_bytes_sent.lo =
				le32_to_cpu(xclient->unicast_bytes_sent.lo);
	old_xclient->multicast_bytes_sent.hi =
				le32_to_cpu(xclient->multicast_bytes_sent.hi);
	old_xclient->multicast_bytes_sent.lo =
				le32_to_cpu(xclient->multicast_bytes_sent.lo);
	old_xclient->broadcast_bytes_sent.hi =
				le32_to_cpu(xclient->broadcast_bytes_sent.hi);
	old_xclient->broadcast_bytes_sent.lo =
				le32_to_cpu(xclient->broadcast_bytes_sent.lo);

	fstats->host_func_stats_start = ++fstats->host_func_stats_end;
E
Eliezer Tamir 已提交
3671 3672 3673 3674

	return 0;
}

Y
Yitchak Gertner 已提交
3675
static void bnx2x_net_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3676
{
Y
Yitchak Gertner 已提交
3677 3678
	struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
	struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690
	struct net_device_stats *nstats = &bp->dev->stats;

	nstats->rx_packets =
		bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
		bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
		bnx2x_hilo(&estats->total_broadcast_packets_received_hi);

	nstats->tx_packets =
		bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
		bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
		bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);

Y
Yitchak Gertner 已提交
3691
	nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
E
Eliezer Tamir 已提交
3692

E
Eliezer Tamir 已提交
3693
	nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
E
Eliezer Tamir 已提交
3694

Y
Yitchak Gertner 已提交
3695 3696
	nstats->rx_dropped = old_tclient->checksum_discard +
			     estats->mac_discard;
E
Eliezer Tamir 已提交
3697 3698 3699 3700 3701
	nstats->tx_dropped = 0;

	nstats->multicast =
		bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);

Y
Yitchak Gertner 已提交
3702 3703 3704 3705 3706
	nstats->collisions =
			estats->tx_stat_dot3statssinglecollisionframes_lo +
			estats->tx_stat_dot3statsmultiplecollisionframes_lo +
			estats->tx_stat_dot3statslatecollisions_lo +
			estats->tx_stat_dot3statsexcessivecollisions_lo;
E
Eliezer Tamir 已提交
3707

Y
Yitchak Gertner 已提交
3708 3709 3710 3711 3712 3713 3714
	estats->jabber_packets_received =
				old_tclient->packets_too_big_discard +
				estats->rx_stat_dot3statsframestoolong_lo;

	nstats->rx_length_errors =
				estats->rx_stat_etherstatsundersizepkts_lo +
				estats->jabber_packets_received;
Y
Yitchak Gertner 已提交
3715
	nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Y
Yitchak Gertner 已提交
3716 3717 3718
	nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
	nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
	nstats->rx_fifo_errors = old_tclient->no_buff_discard;
E
Eliezer Tamir 已提交
3719 3720 3721 3722 3723 3724
	nstats->rx_missed_errors = estats->xxoverflow_discard;

	nstats->rx_errors = nstats->rx_length_errors +
			    nstats->rx_over_errors +
			    nstats->rx_crc_errors +
			    nstats->rx_frame_errors +
E
Eliezer Tamir 已提交
3725 3726
			    nstats->rx_fifo_errors +
			    nstats->rx_missed_errors;
E
Eliezer Tamir 已提交
3727

Y
Yitchak Gertner 已提交
3728 3729 3730 3731
	nstats->tx_aborted_errors =
			estats->tx_stat_dot3statslatecollisions_lo +
			estats->tx_stat_dot3statsexcessivecollisions_lo;
	nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
E
Eliezer Tamir 已提交
3732 3733 3734 3735 3736 3737 3738 3739
	nstats->tx_fifo_errors = 0;
	nstats->tx_heartbeat_errors = 0;
	nstats->tx_window_errors = 0;

	nstats->tx_errors = nstats->tx_aborted_errors +
			    nstats->tx_carrier_errors;
}

Y
Yitchak Gertner 已提交
3740
static void bnx2x_stats_update(struct bnx2x *bp)
E
Eliezer Tamir 已提交
3741
{
Y
Yitchak Gertner 已提交
3742 3743
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
	int update = 0;
E
Eliezer Tamir 已提交
3744

Y
Yitchak Gertner 已提交
3745 3746 3747 3748 3749
	if (*stats_comp != DMAE_COMP_VAL)
		return;

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3750

Y
Yitchak Gertner 已提交
3751
	update |= (bnx2x_storm_stats_update(bp) == 0);
E
Eliezer Tamir 已提交
3752

Y
Yitchak Gertner 已提交
3753 3754
	if (update)
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3755

Y
Yitchak Gertner 已提交
3756 3757 3758 3759 3760 3761 3762 3763 3764
	else {
		if (bp->stats_pending) {
			bp->stats_pending++;
			if (bp->stats_pending == 3) {
				BNX2X_ERR("stats not updated for 3 times\n");
				bnx2x_panic();
				return;
			}
		}
E
Eliezer Tamir 已提交
3765 3766 3767
	}

	if (bp->msglevel & NETIF_MSG_TIMER) {
Y
Yitchak Gertner 已提交
3768 3769
		struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
		struct bnx2x_eth_stats *estats = &bp->eth_stats;
E
Eliezer Tamir 已提交
3770
		struct net_device_stats *nstats = &bp->dev->stats;
3771
		int i;
E
Eliezer Tamir 已提交
3772 3773 3774 3775 3776

		printk(KERN_DEBUG "%s:\n", bp->dev->name);
		printk(KERN_DEBUG "  tx avail (%4x)  tx hc idx (%x)"
				  "  tx pkt (%lx)\n",
		       bnx2x_tx_avail(bp->fp),
3777
		       le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
E
Eliezer Tamir 已提交
3778 3779
		printk(KERN_DEBUG "  rx usage (%4x)  rx hc idx (%x)"
				  "  rx pkt (%lx)\n",
3780 3781 3782
		       (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
			     bp->fp->rx_comp_cons),
		       le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
E
Eliezer Tamir 已提交
3783
		printk(KERN_DEBUG "  %s (Xoff events %u)  brb drops %u\n",
E
Eilon Greenstein 已提交
3784
		       netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Y
Yitchak Gertner 已提交
3785
		       estats->driver_xoff, estats->brb_drop_lo);
E
Eliezer Tamir 已提交
3786 3787 3788 3789 3790
		printk(KERN_DEBUG "tstats: checksum_discard %u  "
			"packets_too_big_discard %u  no_buff_discard %u  "
			"mac_discard %u  mac_filter_discard %u  "
			"xxovrflow_discard %u  brb_truncate_discard %u  "
			"ttl0_discard %u\n",
Y
Yitchak Gertner 已提交
3791 3792 3793
		       old_tclient->checksum_discard,
		       old_tclient->packets_too_big_discard,
		       old_tclient->no_buff_discard, estats->mac_discard,
E
Eliezer Tamir 已提交
3794
		       estats->mac_filter_discard, estats->xxoverflow_discard,
Y
Yitchak Gertner 已提交
3795 3796
		       estats->brb_truncate_discard,
		       old_tclient->ttl0_discard);
E
Eliezer Tamir 已提交
3797 3798 3799 3800 3801 3802 3803 3804 3805

		for_each_queue(bp, i) {
			printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
			       bnx2x_fp(bp, i, tx_pkt),
			       bnx2x_fp(bp, i, rx_pkt),
			       bnx2x_fp(bp, i, rx_calls));
		}
	}

Y
Yitchak Gertner 已提交
3806 3807 3808
	bnx2x_hw_stats_post(bp);
	bnx2x_storm_stats_post(bp);
}
E
Eliezer Tamir 已提交
3809

Y
Yitchak Gertner 已提交
3810 3811 3812 3813 3814 3815
static void bnx2x_port_stats_stop(struct bnx2x *bp)
{
	struct dmae_command *dmae;
	u32 opcode;
	int loader_idx = PMF_DMAE_C(bp);
	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
E
Eliezer Tamir 已提交
3816

Y
Yitchak Gertner 已提交
3817
	bp->executer_idx = 0;
E
Eliezer Tamir 已提交
3818

Y
Yitchak Gertner 已提交
3819 3820 3821
	opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
		  DMAE_CMD_C_ENABLE |
		  DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
E
Eliezer Tamir 已提交
3822
#ifdef __BIG_ENDIAN
Y
Yitchak Gertner 已提交
3823
		  DMAE_CMD_ENDIANITY_B_DW_SWAP |
E
Eliezer Tamir 已提交
3824
#else
Y
Yitchak Gertner 已提交
3825
		  DMAE_CMD_ENDIANITY_DW_SWAP |
E
Eliezer Tamir 已提交
3826
#endif
Y
Yitchak Gertner 已提交
3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839
		  (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
		  (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));

	if (bp->port.port_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		if (bp->func_stx)
			dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
		else
			dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
		dmae->dst_addr_lo = bp->port.port_stx >> 2;
E
Eliezer Tamir 已提交
3840
		dmae->dst_addr_hi = 0;
Y
Yitchak Gertner 已提交
3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851
		dmae->len = sizeof(struct host_port_stats) >> 2;
		if (bp->func_stx) {
			dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
			dmae->comp_addr_hi = 0;
			dmae->comp_val = 1;
		} else {
			dmae->comp_addr_lo =
				U64_LO(bnx2x_sp_mapping(bp, stats_comp));
			dmae->comp_addr_hi =
				U64_HI(bnx2x_sp_mapping(bp, stats_comp));
			dmae->comp_val = DMAE_COMP_VAL;
E
Eliezer Tamir 已提交
3852

Y
Yitchak Gertner 已提交
3853 3854
			*stats_comp = 0;
		}
E
Eliezer Tamir 已提交
3855 3856
	}

Y
Yitchak Gertner 已提交
3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870
	if (bp->func_stx) {

		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
		dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
		dmae->dst_addr_lo = bp->func_stx >> 2;
		dmae->dst_addr_hi = 0;
		dmae->len = sizeof(struct host_func_stats) >> 2;
		dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
		dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
		dmae->comp_val = DMAE_COMP_VAL;

		*stats_comp = 0;
E
Eliezer Tamir 已提交
3871
	}
Y
Yitchak Gertner 已提交
3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
}

static void bnx2x_stats_stop(struct bnx2x *bp)
{
	int update = 0;

	bnx2x_stats_comp(bp);

	if (bp->port.pmf)
		update = (bnx2x_hw_stats_update(bp) == 0);

	update |= (bnx2x_storm_stats_update(bp) == 0);

	if (update) {
		bnx2x_net_stats_update(bp);
E
Eliezer Tamir 已提交
3887

Y
Yitchak Gertner 已提交
3888 3889 3890 3891 3892
		if (bp->port.pmf)
			bnx2x_port_stats_stop(bp);

		bnx2x_hw_stats_post(bp);
		bnx2x_stats_comp(bp);
E
Eliezer Tamir 已提交
3893 3894 3895
	}
}

Y
Yitchak Gertner 已提交
3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930
static void bnx2x_stats_do_nothing(struct bnx2x *bp)
{
}

static const struct {
	void (*action)(struct bnx2x *bp);
	enum bnx2x_stats_state next_state;
} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
/* state	event	*/
{
/* DISABLED	PMF	*/ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
/*		LINK_UP	*/ {bnx2x_stats_start,      STATS_STATE_ENABLED},
/*		UPDATE	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
/*		STOP	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
},
{
/* ENABLED	PMF	*/ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
/*		LINK_UP	*/ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
/*		UPDATE	*/ {bnx2x_stats_update,     STATS_STATE_ENABLED},
/*		STOP	*/ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
}
};

static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
{
	enum bnx2x_stats_state state = bp->stats_state;

	bnx2x_stats_stm[state][event].action(bp);
	bp->stats_state = bnx2x_stats_stm[state][event].next_state;

	if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
		DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
		   state, event, bp->stats_state);
}

E
Eliezer Tamir 已提交
3931 3932 3933 3934 3935 3936 3937 3938
static void bnx2x_timer(unsigned long data)
{
	struct bnx2x *bp = (struct bnx2x *) data;

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

	if (atomic_read(&bp->intr_sem) != 0)
E
Eliezer Tamir 已提交
3939
		goto timer_restart;
E
Eliezer Tamir 已提交
3940 3941 3942 3943 3944 3945 3946 3947 3948

	if (poll) {
		struct bnx2x_fastpath *fp = &bp->fp[0];
		int rc;

		bnx2x_tx_int(fp, 1000);
		rc = bnx2x_rx_int(fp, 1000);
	}

3949 3950
	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
3951 3952 3953 3954 3955 3956 3957
		u32 drv_pulse;
		u32 mcp_pulse;

		++bp->fw_drv_pulse_wr_seq;
		bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
		/* TBD - add SYSTEM_TIME */
		drv_pulse = bp->fw_drv_pulse_wr_seq;
3958
		SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3959

3960
		mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972
			     MCP_PULSE_SEQ_MASK);
		/* The delta between driver pulse and mcp response
		 * should be 1 (before mcp response) or 0 (after mcp response)
		 */
		if ((drv_pulse != mcp_pulse) &&
		    (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
			/* someone lost a heartbeat... */
			BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
				  drv_pulse, mcp_pulse);
		}
	}

Y
Yitchak Gertner 已提交
3973 3974 3975
	if ((bp->state == BNX2X_STATE_OPEN) ||
	    (bp->state == BNX2X_STATE_DISABLED))
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3976

E
Eliezer Tamir 已提交
3977
timer_restart:
E
Eliezer Tamir 已提交
3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3989
static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
E
Eliezer Tamir 已提交
3990
{
3991 3992 3993 3994
	int port = BP_PORT(bp);

	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
			USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Y
Yitchak Gertner 已提交
3995
			sizeof(struct ustorm_status_block)/4);
3996 3997
	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Y
Yitchak Gertner 已提交
3998
			sizeof(struct cstorm_status_block)/4);
3999 4000
}

4001 4002
static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
			  dma_addr_t mapping, int sb_id)
4003 4004
{
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
4005
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4006
	int index;
4007
	u64 section;
E
Eliezer Tamir 已提交
4008 4009 4010 4011

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    u_status_block);
4012
	sb->u_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4013 4014

	REG_WR(bp, BAR_USTRORM_INTMEM +
4015
	       USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4016
	REG_WR(bp, BAR_USTRORM_INTMEM +
4017
	       ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4018
	       U64_HI(section));
Y
Yitchak Gertner 已提交
4019 4020
	REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
		USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
E
Eliezer Tamir 已提交
4021 4022 4023

	for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4024
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
E
Eliezer Tamir 已提交
4025 4026 4027 4028

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_status_block,
					    c_status_block);
4029
	sb->c_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4030 4031

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4032
	       CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
E
Eliezer Tamir 已提交
4033
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4034
	       ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
E
Eliezer Tamir 已提交
4035
	       U64_HI(section));
4036 4037
	REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
		CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
E
Eliezer Tamir 已提交
4038 4039 4040

	for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4041 4042 4043 4044 4045 4046 4047 4048
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);

	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
}

static void bnx2x_zero_def_sb(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4049

4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061
	bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
			USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct ustorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct cstorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
			XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct xstorm_def_status_block)/4);
	bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
			TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
			sizeof(struct tstorm_def_status_block)/4);
E
Eliezer Tamir 已提交
4062 4063 4064 4065
}

static void bnx2x_init_def_sb(struct bnx2x *bp,
			      struct host_def_status_block *def_sb,
4066
			      dma_addr_t mapping, int sb_id)
E
Eliezer Tamir 已提交
4067
{
4068 4069
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4070 4071 4072 4073 4074 4075
	int index, val, reg_offset;
	u64 section;

	/* ATTN */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    atten_status_block);
4076
	def_sb->atten_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4077

4078 4079
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4080 4081 4082
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);

4083
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
E
Eliezer Tamir 已提交
4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102
		bp->attn_group[index].sig[0] = REG_RD(bp,
						     reg_offset + 0x10*index);
		bp->attn_group[index].sig[1] = REG_RD(bp,
					       reg_offset + 0x4 + 0x10*index);
		bp->attn_group[index].sig[2] = REG_RD(bp,
					       reg_offset + 0x8 + 0x10*index);
		bp->attn_group[index].sig[3] = REG_RD(bp,
					       reg_offset + 0xc + 0x10*index);
	}

	reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
			     HC_REG_ATTN_MSG0_ADDR_L);

	REG_WR(bp, reg_offset, U64_LO(section));
	REG_WR(bp, reg_offset + 4, U64_HI(section));

	reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);

	val = REG_RD(bp, reg_offset);
4103
	val |= sb_id;
E
Eliezer Tamir 已提交
4104 4105 4106 4107 4108
	REG_WR(bp, reg_offset, val);

	/* USTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    u_def_status_block);
4109
	def_sb->u_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4110 4111

	REG_WR(bp, BAR_USTRORM_INTMEM +
4112
	       USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4113
	REG_WR(bp, BAR_USTRORM_INTMEM +
4114
	       ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4115
	       U64_HI(section));
4116
	REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4117
		USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4118 4119 4120

	for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4121
			 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4122 4123 4124 4125

	/* CSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    c_def_status_block);
4126
	def_sb->c_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4127 4128

	REG_WR(bp, BAR_CSTRORM_INTMEM +
4129
	       CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4130
	REG_WR(bp, BAR_CSTRORM_INTMEM +
4131
	       ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4132
	       U64_HI(section));
4133
	REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4134
		CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4135 4136 4137

	for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4138
			 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4139 4140 4141 4142

	/* TSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    t_def_status_block);
4143
	def_sb->t_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4144 4145

	REG_WR(bp, BAR_TSTRORM_INTMEM +
4146
	       TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4147
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4148
	       ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4149
	       U64_HI(section));
4150
	REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4151
		TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4152 4153 4154

	for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_TSTRORM_INTMEM +
4155
			 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
E
Eliezer Tamir 已提交
4156 4157 4158 4159

	/* XSTORM */
	section = ((u64)mapping) + offsetof(struct host_def_status_block,
					    x_def_status_block);
4160
	def_sb->x_def_status_block.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4161 4162

	REG_WR(bp, BAR_XSTRORM_INTMEM +
4163
	       XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
E
Eliezer Tamir 已提交
4164
	REG_WR(bp, BAR_XSTRORM_INTMEM +
4165
	       ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
E
Eliezer Tamir 已提交
4166
	       U64_HI(section));
4167
	REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4168
		XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
E
Eliezer Tamir 已提交
4169 4170 4171

	for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
		REG_WR16(bp, BAR_XSTRORM_INTMEM +
4172
			 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4173

Y
Yitchak Gertner 已提交
4174
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4175
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4176

4177
	bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4178 4179 4180 4181
}

static void bnx2x_update_coalesce(struct bnx2x *bp)
{
4182
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4183 4184 4185
	int i;

	for_each_queue(bp, i) {
4186
		int sb_id = bp->fp[i].sb_id;
E
Eliezer Tamir 已提交
4187 4188 4189

		/* HC_INDEX_U_ETH_RX_CQ_CONS */
		REG_WR8(bp, BAR_USTRORM_INTMEM +
4190
			USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4191
						    U_SB_ETH_RX_CQ_INDEX),
4192
			bp->rx_ticks/12);
E
Eliezer Tamir 已提交
4193
		REG_WR16(bp, BAR_USTRORM_INTMEM +
4194
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4195 4196 4197 4198 4199
						     U_SB_ETH_RX_CQ_INDEX),
			 bp->rx_ticks ? 0 : 1);
		REG_WR16(bp, BAR_USTRORM_INTMEM +
			 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
						     U_SB_ETH_RX_BD_INDEX),
4200
			 bp->rx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4201 4202 4203

		/* HC_INDEX_C_ETH_TX_CQ_CONS */
		REG_WR8(bp, BAR_CSTRORM_INTMEM +
4204
			CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4205
						    C_SB_ETH_TX_CQ_INDEX),
4206
			bp->tx_ticks/12);
E
Eliezer Tamir 已提交
4207
		REG_WR16(bp, BAR_CSTRORM_INTMEM +
4208
			 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4209
						     C_SB_ETH_TX_CQ_INDEX),
4210
			 bp->tx_ticks ? 0 : 1);
E
Eliezer Tamir 已提交
4211 4212 4213
	}
}

4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230
static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
				       struct bnx2x_fastpath *fp, int last)
{
	int i;

	for (i = 0; i < last; i++) {
		struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
		struct sk_buff *skb = rx_buf->skb;

		if (skb == NULL) {
			DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
			continue;
		}

		if (fp->tpa_state[i] == BNX2X_TPA_START)
			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
4231
					 bp->rx_buf_size,
4232 4233 4234 4235 4236 4237 4238
					 PCI_DMA_FROMDEVICE);

		dev_kfree_skb(skb);
		rx_buf->skb = NULL;
	}
}

E
Eliezer Tamir 已提交
4239 4240
static void bnx2x_init_rx_rings(struct bnx2x *bp)
{
4241
	int func = BP_FUNC(bp);
E
Eilon Greenstein 已提交
4242 4243 4244
	int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
					      ETH_MAX_AGGREGATION_QUEUES_E1H;
	u16 ring_prod, cqe_ring_prod;
E
Eliezer Tamir 已提交
4245 4246
	int i, j;

4247 4248 4249
	bp->rx_buf_size = bp->dev->mtu;
	bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
		BCM_RX_ETH_PAYLOAD_ALIGN;
E
Eliezer Tamir 已提交
4250

4251 4252
	if (bp->flags & TPA_ENABLE_FLAG) {
		DP(NETIF_MSG_IFUP,
4253 4254
		   "rx_buf_size %d  effective_mtu %d\n",
		   bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
4255 4256

		for_each_queue(bp, j) {
E
Eilon Greenstein 已提交
4257
			struct bnx2x_fastpath *fp = &bp->fp[j];
4258

E
Eilon Greenstein 已提交
4259
			for (i = 0; i < max_agg_queues; i++) {
4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278
				fp->tpa_pool[i].skb =
				   netdev_alloc_skb(bp->dev, bp->rx_buf_size);
				if (!fp->tpa_pool[i].skb) {
					BNX2X_ERR("Failed to allocate TPA "
						  "skb pool for queue[%d] - "
						  "disabling TPA on this "
						  "queue!\n", j);
					bnx2x_free_tpa_pool(bp, fp, i);
					fp->disable_tpa = 1;
					break;
				}
				pci_unmap_addr_set((struct sw_rx_bd *)
							&bp->fp->tpa_pool[i],
						   mapping, 0);
				fp->tpa_state[i] = BNX2X_TPA_STOP;
			}
		}
	}

E
Eliezer Tamir 已提交
4279 4280 4281 4282 4283
	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		fp->rx_bd_cons = 0;
		fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300
		fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;

		/* "next page" elements initialization */
		/* SGE ring */
		for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
			struct eth_rx_sge *sge;

			sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
			sge->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_sge_mapping +
					BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
			sge->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_sge_mapping +
					BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
		}

		bnx2x_init_sge_ring_bit_mask(fp);
E
Eliezer Tamir 已提交
4301

4302
		/* RX BD ring */
E
Eliezer Tamir 已提交
4303 4304 4305 4306 4307 4308
		for (i = 1; i <= NUM_RX_RINGS; i++) {
			struct eth_rx_bd *rx_bd;

			rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
			rx_bd->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4309
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4310 4311
			rx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4312
					    BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
E
Eliezer Tamir 已提交
4313 4314
		}

4315
		/* CQ ring */
E
Eliezer Tamir 已提交
4316 4317 4318 4319 4320 4321 4322
		for (i = 1; i <= NUM_RCQ_RINGS; i++) {
			struct eth_rx_cqe_next_page *nextpg;

			nextpg = (struct eth_rx_cqe_next_page *)
				&fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
			nextpg->addr_hi =
				cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4323
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4324 4325
			nextpg->addr_lo =
				cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4326
					   BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
E
Eliezer Tamir 已提交
4327 4328
		}

4329 4330 4331
		/* Allocate SGEs and initialize the ring elements */
		for (i = 0, ring_prod = 0;
		     i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
E
Eliezer Tamir 已提交
4332

4333 4334 4335 4336 4337 4338
			if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx sges\n", i);
				BNX2X_ERR("disabling TPA for queue[%d]\n", j);
				/* Cleanup already allocated elements */
				bnx2x_free_rx_sge_range(bp, fp, ring_prod);
E
Eilon Greenstein 已提交
4339
				bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4340 4341 4342 4343 4344 4345 4346 4347 4348
				fp->disable_tpa = 1;
				ring_prod = 0;
				break;
			}
			ring_prod = NEXT_SGE_IDX(ring_prod);
		}
		fp->rx_sge_prod = ring_prod;

		/* Allocate BDs and initialize BD ring */
Y
Yitchak Gertner 已提交
4349
		fp->rx_comp_cons = 0;
4350
		cqe_ring_prod = ring_prod = 0;
E
Eliezer Tamir 已提交
4351 4352 4353 4354
		for (i = 0; i < bp->rx_ring_size; i++) {
			if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
				BNX2X_ERR("was only able to allocate "
					  "%d rx skbs\n", i);
Y
Yitchak Gertner 已提交
4355
				bp->eth_stats.rx_skb_alloc_failed++;
E
Eliezer Tamir 已提交
4356 4357 4358
				break;
			}
			ring_prod = NEXT_RX_IDX(ring_prod);
4359
			cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4360
			WARN_ON(ring_prod <= i);
E
Eliezer Tamir 已提交
4361 4362
		}

4363 4364 4365 4366
		fp->rx_bd_prod = ring_prod;
		/* must not have more available CQEs than BDs */
		fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
				       cqe_ring_prod);
E
Eliezer Tamir 已提交
4367 4368
		fp->rx_pkt = fp->rx_calls = 0;

4369 4370 4371 4372 4373 4374
		/* Warning!
		 * this will generate an interrupt (to the TSTORM)
		 * must only be done after chip is initialized
		 */
		bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
				     fp->rx_sge_prod);
E
Eliezer Tamir 已提交
4375 4376 4377 4378
		if (j != 0)
			continue;

		REG_WR(bp, BAR_USTRORM_INTMEM +
4379
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
E
Eliezer Tamir 已提交
4380 4381
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
4382
		       USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399
		       U64_HI(fp->rx_comp_mapping));
	}
}

static void bnx2x_init_tx_ring(struct bnx2x *bp)
{
	int i, j;

	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		for (i = 1; i <= NUM_TX_RINGS; i++) {
			struct eth_tx_bd *tx_bd =
				&fp->tx_desc_ring[TX_DESC_CNT * i - 1];

			tx_bd->addr_hi =
				cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4400
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4401 4402
			tx_bd->addr_lo =
				cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4403
					    BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
E
Eliezer Tamir 已提交
4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416
		}

		fp->tx_pkt_prod = 0;
		fp->tx_pkt_cons = 0;
		fp->tx_bd_prod = 0;
		fp->tx_bd_cons = 0;
		fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
		fp->tx_pkt = 0;
	}
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
4417
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4418 4419 4420 4421 4422 4423 4424 4425 4426

	spin_lock_init(&bp->spq_lock);

	bp->spq_left = MAX_SPQ_PENDING;
	bp->spq_prod_idx = 0;
	bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
	bp->spq_prod_bd = bp->spq;
	bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;

4427
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
E
Eliezer Tamir 已提交
4428
	       U64_LO(bp->spq_mapping));
4429 4430
	REG_WR(bp,
	       XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4431 4432
	       U64_HI(bp->spq_mapping));

4433
	REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
E
Eliezer Tamir 已提交
4434 4435 4436 4437 4438 4439 4440 4441 4442 4443
	       bp->spq_prod_idx);
}

static void bnx2x_init_context(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i) {
		struct eth_context *context = bnx2x_sp(bp, context[i].eth);
		struct bnx2x_fastpath *fp = &bp->fp[i];
4444
		u8 sb_id = FP_SB_ID(fp);
E
Eliezer Tamir 已提交
4445 4446 4447 4448 4449 4450 4451 4452 4453

		context->xstorm_st_context.tx_bd_page_base_hi =
						U64_HI(fp->tx_desc_mapping);
		context->xstorm_st_context.tx_bd_page_base_lo =
						U64_LO(fp->tx_desc_mapping);
		context->xstorm_st_context.db_data_addr_hi =
						U64_HI(fp->tx_prods_mapping);
		context->xstorm_st_context.db_data_addr_lo =
						U64_LO(fp->tx_prods_mapping);
4454 4455 4456 4457 4458 4459 4460 4461 4462
		context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
				XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);

		context->ustorm_st_context.common.sb_index_numbers =
						BNX2X_RX_SB_INDEX_NUM;
		context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
		context->ustorm_st_context.common.status_block_id = sb_id;
		context->ustorm_st_context.common.flags =
			USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4463 4464
		context->ustorm_st_context.common.mc_alignment_size =
			BCM_RX_ETH_PAYLOAD_ALIGN;
4465
		context->ustorm_st_context.common.bd_buff_size =
4466
						bp->rx_buf_size;
4467
		context->ustorm_st_context.common.bd_page_base_hi =
E
Eliezer Tamir 已提交
4468
						U64_HI(fp->rx_desc_mapping);
4469
		context->ustorm_st_context.common.bd_page_base_lo =
E
Eliezer Tamir 已提交
4470
						U64_LO(fp->rx_desc_mapping);
4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482
		if (!fp->disable_tpa) {
			context->ustorm_st_context.common.flags |=
				(USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
				 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
			context->ustorm_st_context.common.sge_buff_size =
					(u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
			context->ustorm_st_context.common.sge_page_base_hi =
						U64_HI(fp->rx_sge_mapping);
			context->ustorm_st_context.common.sge_page_base_lo =
						U64_LO(fp->rx_sge_mapping);
		}

E
Eliezer Tamir 已提交
4483
		context->cstorm_st_context.sb_index_number =
4484
						C_SB_ETH_TX_CQ_INDEX;
4485
		context->cstorm_st_context.status_block_id = sb_id;
E
Eliezer Tamir 已提交
4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499

		context->xstorm_ag_context.cdu_reserved =
			CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
					       CDU_REGION_NUMBER_XCM_AG,
					       ETH_CONNECTION_TYPE);
		context->ustorm_ag_context.cdu_usage =
			CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
					       CDU_REGION_NUMBER_UCM_AG,
					       ETH_CONNECTION_TYPE);
	}
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
4500
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
4501 4502 4503 4504 4505
	int i;

	if (!is_multi(bp))
		return;

4506
	DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
E
Eliezer Tamir 已提交
4507
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4508 4509
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
E
Eliezer Tamir 已提交
4510 4511 4512 4513 4514
			i % bp->num_queues);

	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
}

4515 4516 4517
static void bnx2x_set_client_config(struct bnx2x *bp)
{
	struct tstorm_eth_client_config tstorm_client = {0};
4518 4519
	int port = BP_PORT(bp);
	int i;
4520

4521
	tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Y
Yitchak Gertner 已提交
4522
	tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4523 4524 4525
	tstorm_client.config_flags =
				TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
#ifdef BCM_VLAN
4526
	if (bp->rx_mode && bp->vlgrp) {
4527 4528 4529 4530 4531 4532
		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
		DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
	}
#endif

4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544
	if (bp->flags & TPA_ENABLE_FLAG) {
		tstorm_client.max_sges_for_packet =
			BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
		tstorm_client.max_sges_for_packet =
			((tstorm_client.max_sges_for_packet +
			  PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
			PAGES_PER_SGE_SHIFT;

		tstorm_client.config_flags |=
				TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
	}

4545 4546
	for_each_queue(bp, i) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4547
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4548 4549
		       ((u32 *)&tstorm_client)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4550
		       TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4551 4552 4553
		       ((u32 *)&tstorm_client)[1]);
	}

4554 4555
	DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
	   ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4556 4557
}

E
Eliezer Tamir 已提交
4558 4559 4560
static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
{
	struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4561 4562 4563
	int mode = bp->rx_mode;
	int mask = (1 << BP_L_ID(bp));
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4564 4565
	int i;

4566
	DP(NETIF_MSG_IFUP, "rx mode %d  mask 0x%x\n", mode, mask);
E
Eliezer Tamir 已提交
4567 4568 4569

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
4570 4571 4572
		tstorm_mac_filter.ucast_drop_all = mask;
		tstorm_mac_filter.mcast_drop_all = mask;
		tstorm_mac_filter.bcast_drop_all = mask;
E
Eliezer Tamir 已提交
4573 4574
		break;
	case BNX2X_RX_MODE_NORMAL:
4575
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4576 4577
		break;
	case BNX2X_RX_MODE_ALLMULTI:
4578 4579
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4580 4581
		break;
	case BNX2X_RX_MODE_PROMISC:
4582 4583 4584
		tstorm_mac_filter.ucast_accept_all = mask;
		tstorm_mac_filter.mcast_accept_all = mask;
		tstorm_mac_filter.bcast_accept_all = mask;
E
Eliezer Tamir 已提交
4585 4586
		break;
	default:
4587 4588
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4589 4590 4591 4592
	}

	for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
4593
		       TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
E
Eliezer Tamir 已提交
4594 4595
		       ((u32 *)&tstorm_mac_filter)[i]);

4596
/*		DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
E
Eliezer Tamir 已提交
4597 4598 4599
		   ((u32 *)&tstorm_mac_filter)[i]); */
	}

4600 4601
	if (mode != BNX2X_RX_MODE_NONE)
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
4602 4603
}

4604 4605 4606 4607
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618
	if (bp->flags & TPA_ENABLE_FLAG) {
		struct tstorm_eth_tpa_exist tpa = {0};

		tpa.tpa_exist = 1;

		REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
		       ((u32 *)&tpa)[0]);
		REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
		       ((u32 *)&tpa)[1]);
	}

4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636
	/* Zero this manually as its initialization is
	   currently missing in the initTool */
	for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
}

static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
}

static void bnx2x_init_internal_func(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4637 4638 4639
{
	struct tstorm_eth_function_common_config tstorm_config = {0};
	struct stats_indication_flags stats_flags = {0};
4640 4641 4642
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;
4643
	u16 max_agg_size;
E
Eliezer Tamir 已提交
4644 4645 4646 4647 4648 4649

	if (is_multi(bp)) {
		tstorm_config.config_flags = MULTI_FLAGS;
		tstorm_config.rss_result_mask = MULTI_MASK;
	}

4650 4651
	tstorm_config.leading_client_id = BP_L_ID(bp);

E
Eliezer Tamir 已提交
4652
	REG_WR(bp, BAR_TSTRORM_INTMEM +
4653
	       TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
E
Eliezer Tamir 已提交
4654 4655
	       (*(u32 *)&tstorm_config));

E
Eliezer Tamir 已提交
4656
	bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
E
Eliezer Tamir 已提交
4657 4658
	bnx2x_set_storm_rx_mode(bp);

Y
Yitchak Gertner 已提交
4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672
	/* reset xstorm per client statistics */
	for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}
	/* reset tstorm per client statistics */
	for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
		REG_WR(bp, BAR_TSTRORM_INTMEM +
		       TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
		       i*4, 0);
	}

	/* Init statistics related context */
4673
	stats_flags.collect_eth = 1;
E
Eliezer Tamir 已提交
4674

Y
Yitchak Gertner 已提交
4675
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4676
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4677
	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4678 4679
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4680
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4681
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4682
	REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4683 4684
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4685
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
E
Eliezer Tamir 已提交
4686
	       ((u32 *)&stats_flags)[0]);
Y
Yitchak Gertner 已提交
4687
	REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
E
Eliezer Tamir 已提交
4688 4689
	       ((u32 *)&stats_flags)[1]);

Y
Yitchak Gertner 已提交
4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702
	REG_WR(bp, BAR_XSTRORM_INTMEM +
	       XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
	       U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
	REG_WR(bp, BAR_XSTRORM_INTMEM +
	       XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
	       U64_HI(bnx2x_sp_mapping(bp, fw_stats)));

	REG_WR(bp, BAR_TSTRORM_INTMEM +
	       TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
	       U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
	REG_WR(bp, BAR_TSTRORM_INTMEM +
	       TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
	       U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713

	if (CHIP_IS_E1H(bp)) {
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
			IS_E1HMF(bp));

4714 4715
		REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
			 bp->e1hov);
4716 4717
	}

4718
	/* Init CQ ring mapping and aggregation size */
4719
	max_agg_size = min((u32)(bp->rx_buf_size +
4720 4721
				 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
			   (u32)0xffff);
4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
		       U64_LO(fp->rx_comp_mapping));
		REG_WR(bp, BAR_USTRORM_INTMEM +
		       USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
		       U64_HI(fp->rx_comp_mapping));

		REG_WR16(bp, BAR_USTRORM_INTMEM +
			 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
			 max_agg_size);
	}
E
Eliezer Tamir 已提交
4736 4737
}

4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759
static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
{
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
		bnx2x_init_internal_common(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bnx2x_init_internal_port(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
		bnx2x_init_internal_func(bp);
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}
}

static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4760 4761 4762 4763 4764 4765
{
	int i;

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

4766
		fp->bp = bp;
E
Eliezer Tamir 已提交
4767 4768
		fp->state = BNX2X_FP_STATE_CLOSED;
		fp->index = i;
4769 4770 4771 4772 4773
		fp->cl_id = BP_L_ID(bp) + i;
		fp->sb_id = fp->cl_id;
		DP(NETIF_MSG_IFUP,
		   "bnx2x_init_sb(%p,%p) index %d  cl_id %d  sb %d\n",
		   bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4774 4775 4776
		bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
			      FP_SB_ID(fp));
		bnx2x_update_fpsb_idx(fp);
E
Eliezer Tamir 已提交
4777 4778
	}

4779 4780 4781
	bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
			  DEF_SB_ID);
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4782 4783 4784 4785 4786
	bnx2x_update_coalesce(bp);
	bnx2x_init_rx_rings(bp);
	bnx2x_init_tx_ring(bp);
	bnx2x_init_sp_ring(bp);
	bnx2x_init_context(bp);
4787
	bnx2x_init_internal(bp, load_code);
E
Eliezer Tamir 已提交
4788
	bnx2x_init_ind_table(bp);
E
Eliezer Tamir 已提交
4789
	bnx2x_int_enable(bp);
E
Eliezer Tamir 已提交
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
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
	bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
					      &bp->gunzip_mapping);
	if (bp->gunzip_buf  == NULL)
		goto gunzip_nomem1;

	bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
	if (bp->strm  == 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:
	pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
			    bp->gunzip_mapping);
	bp->gunzip_buf = NULL;

gunzip_nomem1:
	printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4827
	       " un-compression\n", bp->dev->name);
E
Eliezer Tamir 已提交
4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
	kfree(bp->strm->workspace);

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

	if (bp->gunzip_buf) {
		pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
				    bp->gunzip_mapping);
		bp->gunzip_buf = NULL;
	}
}

static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
{
	int n, rc;

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

	n = 10;

4855
#define FNAME				0x8
E
Eliezer Tamir 已提交
4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891

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

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
		printk(KERN_ERR PFX "%s: Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
		       bp->dev->name, bp->gunzip_outlen);
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4892
 * General service functions
E
Eliezer Tamir 已提交
4893 4894 4895 4896 4897 4898 4899 4900 4901 4902
 */

/* send a NIG loopback debug packet */
static void bnx2x_lb_pckt(struct bnx2x *bp)
{
	u32 wb_write[3];

	/* Ethernet source and destination addresses */
	wb_write[0] = 0x55555555;
	wb_write[1] = 0x55555555;
4903
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4904 4905 4906 4907 4908
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4909
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
}

/* some of the internal memories
 * are not directly readable from the driver
 * to test them we send debug packets
 */
static int bnx2x_int_mem_test(struct bnx2x *bp)
{
	int factor;
	int count, i;
	u32 val = 0;

4923
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4924
		factor = 120;
4925 4926 4927
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4928 4929 4930 4931 4932 4933 4934 4935
		factor = 1;

	DP(NETIF_MSG_HW, "start part1\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4936
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947

	/*  Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send Ethernet packet */
	bnx2x_lb_pckt(bp);

	/* TODO do i reset NIG statistic? */
	/* Wait until NIG register shows 1 packet of size 0x10 */
	count = 1000 * factor;
	while (count) {
4948

E
Eliezer Tamir 已提交
4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0x10)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x10) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -1;
	}

	/* Wait until PRS register shows 1 packet */
	count = 1000 * factor;
	while (count) {
		val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
		if (val == 1)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x1) {
		BNX2X_ERR("PRS timeout val = 0x%x\n", val);
		return -2;
	}

	/* Reset and init BRB, PRS */
4978
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4979
	msleep(50);
4980
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4981 4982 4983 4984 4985 4986 4987 4988 4989 4990
	msleep(50);
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);

	DP(NETIF_MSG_HW, "part2\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4991
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003

	/* Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send 10 Ethernet packets */
	for (i = 0; i < 10; i++)
		bnx2x_lb_pckt(bp);

	/* Wait until NIG register shows 10 + 1
	   packets of size 11*0x10 = 0xb0 */
	count = 1000 * factor;
	while (count) {
5004

E
Eliezer Tamir 已提交
5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0xb0)
			break;

		msleep(10);
		count--;
	}
	if (val != 0xb0) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -3;
	}

	/* Wait until PRS register shows 2 packets */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 2)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* Write 1 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);

	/* Wait until PRS register shows 3 packets */
	msleep(10 * factor);
	/* Wait until NIG register shows 1 packet of size 0x10 */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 3)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* clear NIG EOP FIFO */
	for (i = 0; i < 11; i++)
		REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
	val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
	if (val != 1) {
		BNX2X_ERR("clear of NIG failed\n");
		return -4;
	}

	/* Reset and init BRB, PRS, NIG */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
	msleep(50);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
	msleep(50);
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
#ifndef BCM_ISCSI
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif

	/* Enable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
	REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5058
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

static void enable_blocks_attention(struct bnx2x *bp)
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
	REG_WR(bp, QM_REG_QM_INT_MASK, 0);
	REG_WR(bp, TM_REG_TM_INT_MASK, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
	REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5076 5077
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5078 5079 5080
	REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
	REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
	REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5081 5082
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5083 5084 5085 5086
	REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
	REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5087 5088 5089 5090 5091 5092
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
5093 5094 5095
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
	REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5096 5097
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
5098 5099
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5100 5101
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
5102 5103
}

5104 5105

static int bnx2x_init_common(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5106 5107 5108
{
	u32 val, i;

5109
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
E
Eliezer Tamir 已提交
5110

5111 5112
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
E
Eliezer Tamir 已提交
5113

5114 5115 5116
	bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
E
Eliezer Tamir 已提交
5117

5118 5119 5120
	REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
	msleep(30);
	REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
E
Eliezer Tamir 已提交
5121

5122 5123 5124 5125 5126 5127
	bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
	if (CHIP_IS_E1(bp)) {
		/* enable HW interrupt from PXP on USDM overflow
		   bit 16 on INT_MASK_0 */
		REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	}
E
Eliezer Tamir 已提交
5128

5129 5130
	bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5131 5132

#ifdef __BIG_ENDIAN
5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144
	REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);

/*	REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
	REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
E
Eliezer Tamir 已提交
5145 5146
#endif

5147
	REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
E
Eliezer Tamir 已提交
5148
#ifdef BCM_ISCSI
5149 5150 5151
	REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
	REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
	REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
E
Eliezer Tamir 已提交
5152 5153
#endif

5154 5155
	if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
		REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
E
Eliezer Tamir 已提交
5156

5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169
	/* let the HW do it's magic ... */
	msleep(100);
	/* finish PXP init */
	val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 CFG failed\n");
		return -EBUSY;
	}
	val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 RD_INIT failed\n");
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
5170

5171 5172
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5173

5174
	bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
E
Eliezer Tamir 已提交
5175

5176 5177 5178
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5179

5180 5181 5182 5183
	bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
	bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
	bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
	bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
E
Eliezer Tamir 已提交
5184

5185 5186 5187 5188 5189 5190 5191 5192 5193
	bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);

	bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
	/* soft reset pulse */
	REG_WR(bp, QM_REG_SOFT_RESET, 1);
	REG_WR(bp, QM_REG_SOFT_RESET, 0);
E
Eliezer Tamir 已提交
5194 5195

#ifdef BCM_ISCSI
5196
	bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
E
Eliezer Tamir 已提交
5197 5198
#endif

5199 5200 5201 5202 5203 5204
	bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
	if (!CHIP_REV_IS_SLOW(bp)) {
		/* enable hw interrupt from doorbell Q */
		REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	}
E
Eliezer Tamir 已提交
5205

5206 5207 5208 5209 5210 5211 5212 5213
	bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
	if (CHIP_REV_IS_SLOW(bp)) {
		/* fix for emulation and FPGA for no pause */
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
	}
E
Eliezer Tamir 已提交
5214

5215
	bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5216 5217
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5218 5219
	if (CHIP_IS_E1H(bp))
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
E
Eliezer Tamir 已提交
5220

5221 5222 5223 5224
	bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
	bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
	bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
	bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
E
Eliezer Tamir 已提交
5225

5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247
	if (CHIP_IS_E1H(bp)) {
		bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1H/2);
		bnx2x_init_fill(bp,
				USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
				0, STORM_INTMEM_SIZE_E1H/2);
	} else { /* E1 */
5248 5249 5250 5251 5252 5253 5254 5255
		bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
		bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
				STORM_INTMEM_SIZE_E1);
5256
	}
E
Eliezer Tamir 已提交
5257

5258 5259 5260 5261
	bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
	bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
	bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
	bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
E
Eliezer Tamir 已提交
5262

5263 5264 5265 5266 5267
	/* sync semi rtc */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0x80000000);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
	       0x80000000);
E
Eliezer Tamir 已提交
5268

5269 5270 5271
	bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
	bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
	bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
E
Eliezer Tamir 已提交
5272

5273 5274 5275 5276 5277 5278 5279 5280
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
		REG_WR(bp, i, 0xc0cac01a);
		/* TODO: replace with something meaningful */
	}
	if (CHIP_IS_E1H(bp))
		bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5281

5282 5283 5284 5285
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
		printk(KERN_ALERT PFX "please adjust the size of"
		       " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5286

5287 5288 5289 5290 5291 5292 5293 5294
	bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
	if (CHIP_IS_E1(bp)) {
		/* !!! fix pxp client crdit until excel update */
		REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
		REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
	}
E
Eliezer Tamir 已提交
5295

5296 5297
	bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eliezer Tamir 已提交
5298

5299 5300
	bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
	bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
E
Eliezer Tamir 已提交
5301

5302 5303 5304 5305
	/* PXPCS COMMON comes here */
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
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
	/* EMAC0 COMMON comes here */
	/* EMAC1 COMMON comes here */
	/* DBU COMMON comes here */
	/* DBG COMMON comes here */

	bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
	}

	if (CHIP_REV_IS_SLOW(bp))
		msleep(200);

	/* finish CFC init */
	val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC LL_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC AC_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC CAM_INIT failed\n");
		return -EBUSY;
	}
	REG_WR(bp, CFC_REG_DEBUG0, 0);
E
Eliezer Tamir 已提交
5338

5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350
	/* read NIG statistic
	   to see if this is our first up since powerup */
	bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
	val = *bnx2x_sp(bp, wb_data[0]);

	/* do internal memory self test */
	if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
		BNX2X_ERR("internal mem self test failed\n");
		return -EBUSY;
	}

	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5351
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
5352 5353 5354 5355 5356 5357 5358 5359
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
		/* Fan failure is indicated by SPIO 5 */
		bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
			       MISC_REGISTERS_SPIO_INPUT_HI_Z);

		/* set to active low mode */
		val = REG_RD(bp, MISC_REG_SPIO_INT);
		val |= ((1 << MISC_REGISTERS_SPIO_5) <<
E
Eliezer Tamir 已提交
5360
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5361
		REG_WR(bp, MISC_REG_SPIO_INT, val);
E
Eliezer Tamir 已提交
5362

5363 5364 5365 5366 5367
		/* enable interrupt to signal the IGU */
		val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
		val |= (1 << MISC_REGISTERS_SPIO_5);
		REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
		break;
E
Eliezer Tamir 已提交
5368

5369 5370 5371
	default:
		break;
	}
E
Eliezer Tamir 已提交
5372

5373 5374
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5375

5376
	enable_blocks_attention(bp);
E
Eliezer Tamir 已提交
5377

Y
Yaniv Rosner 已提交
5378 5379 5380 5381 5382 5383 5384
	if (!BP_NOMCP(bp)) {
		bnx2x_acquire_phy_lock(bp);
		bnx2x_common_init_phy(bp, bp->common.shmem_base);
		bnx2x_release_phy_lock(bp);
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5385 5386
	return 0;
}
E
Eliezer Tamir 已提交
5387

5388 5389 5390 5391
static int bnx2x_init_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;
E
Eliezer Tamir 已提交
5392

5393 5394 5395
	DP(BNX2X_MSG_MCP, "starting port init  port %x\n", port);

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423

	/* Port PXP comes here */
	/* Port PXP2 comes here */
#ifdef BCM_ISCSI
	/* Port0  1
	 * Port1  385 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));

	/* Port0  2
	 * Port1  386 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));

	/* Port0  3
	 * Port1  387 */
	i++;
	wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
	wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
	REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
#endif
5424
	/* Port CMs come here */
E
Eliezer Tamir 已提交
5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435

	/* Port QM comes here */
#ifdef BCM_ISCSI
	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);

	bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
			     func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
#endif
	/* Port DQ comes here */
	/* Port BRB1 comes here */
5436
	/* Port PRS comes here */
E
Eliezer Tamir 已提交
5437 5438 5439 5440
	/* Port TSDM comes here */
	/* Port CSDM comes here */
	/* Port USDM comes here */
	/* Port XSDM comes here */
5441 5442 5443 5444 5445 5446 5447 5448
	bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
			     port ? TSEM_PORT1_END : TSEM_PORT0_END);
	bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
			     port ? USEM_PORT1_END : USEM_PORT0_END);
	bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
			     port ? CSEM_PORT1_END : CSEM_PORT0_END);
	bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
			     port ? XSEM_PORT1_END : XSEM_PORT0_END);
E
Eliezer Tamir 已提交
5449
	/* Port UPB comes here */
5450 5451 5452 5453
	/* Port XPB comes here */

	bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
			     port ? PBF_PORT1_END : PBF_PORT0_END);
E
Eliezer Tamir 已提交
5454 5455

	/* configure PBF to work without PAUSE mtu 9000 */
5456
	REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5457 5458

	/* update threshold */
5459
	REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
E
Eliezer Tamir 已提交
5460
	/* update init credit */
5461
	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5462 5463

	/* probe changes */
5464
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
E
Eliezer Tamir 已提交
5465
	msleep(5);
5466
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
E
Eliezer Tamir 已提交
5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483

#ifdef BCM_ISCSI
	/* tell the searcher where the T2 table is */
	REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);

	wb_write[0] = U64_LO(bp->t2_mapping);
	wb_write[1] = U64_HI(bp->t2_mapping);
	REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
	wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
	wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
	REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);

	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
	/* Port SRCH comes here */
#endif
	/* Port CDU comes here */
	/* Port CFC comes here */
5484 5485 5486 5487 5488 5489 5490 5491 5492

	if (CHIP_IS_E1(bp)) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
	bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
			     port ? HC_PORT1_END : HC_PORT0_END);

	bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
E
Eliezer Tamir 已提交
5493
				    MISC_AEU_PORT0_START,
5494 5495 5496 5497 5498 5499 5500 5501
			     port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
	/* init aeu_mask_attn_func_0/1:
	 *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
	 *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
	 *             bits 4-7 are used for "per vn group attention" */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
	       (IS_E1HMF(bp) ? 0xF7 : 0x7));

E
Eliezer Tamir 已提交
5502 5503 5504 5505 5506
	/* Port PXPCS comes here */
	/* Port EMAC0 comes here */
	/* Port EMAC1 comes here */
	/* Port DBU comes here */
	/* Port DBG comes here */
5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530
	bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
			     port ? NIG_PORT1_END : NIG_PORT0_END);

	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);

	if (CHIP_IS_E1H(bp)) {
		u32 wsum;
		struct cmng_struct_per_port m_cmng_port;
		int vn;

		/* 0x2 disable e1hov, 0x1 enable */
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
		       (IS_E1HMF(bp) ? 0x1 : 0x2));

		/* Init RATE SHAPING and FAIRNESS contexts.
		   Initialize as if there is 10G link. */
		wsum = bnx2x_calc_vn_wsum(bp);
		bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
		if (IS_E1HMF(bp))
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, 2*vn + port,
					wsum, 10000, &m_cmng_port);
	}

E
Eliezer Tamir 已提交
5531 5532 5533
	/* Port MCP comes here */
	/* Port DMAE comes here */

5534
	switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5535
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
E
Eliezer Tamir 已提交
5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546
	case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
		/* add SPIO 5 to group 0 */
		val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
		break;

	default:
		break;
	}

Y
Yaniv Rosner 已提交
5547
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5548

5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617
	return 0;
}

#define ILT_PER_FUNC		(768/2)
#define FUNC_ILT_BASE(func)	(func * ILT_PER_FUNC)
/* the phys address is shifted right 12 bits and has an added
   1=valid bit added to the 53rd bit
   then since this is a wide register(TM)
   we split it into two 32 bit writes
 */
#define ONCHIP_ADDR1(x)		((u32)(((u64)x >> 12) & 0xFFFFFFFF))
#define ONCHIP_ADDR2(x)		((u32)((1 << 20) | ((u64)x >> 44)))
#define PXP_ONE_ILT(x)		(((x) << 10) | x)
#define PXP_ILT_RANGE(f, l)	(((l) << 10) | f)

#define CNIC_ILT_LINES		0

static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
{
	int reg;

	if (CHIP_IS_E1H(bp))
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
	else /* E1 */
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

static int bnx2x_init_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int i;

	DP(BNX2X_MSG_MCP, "starting func init  func %x\n", func);

	i = FUNC_ILT_BASE(func);

	bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
		REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
	} else /* E1 */
		REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
		       PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));


	if (CHIP_IS_E1H(bp)) {
		for (i = 0; i < 9; i++)
			bnx2x_init_block(bp,
					 cm_start[func][i], cm_end[func][i]);

		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
	}

	/* HC init per function */
	if (CHIP_IS_E1H(bp)) {
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
	bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);

	if (CHIP_IS_E1H(bp))
		REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);

E
Eliezer Tamir 已提交
5618
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5619 5620 5621
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);

5622 5623 5624 5625 5626 5627
	return 0;
}

static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
{
	int i, rc = 0;
E
Eliezer Tamir 已提交
5628

5629 5630
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
	   BP_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5631

5632 5633 5634
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
	bnx2x_gunzip_init(bp);
E
Eliezer Tamir 已提交
5635

5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
		rc = bnx2x_init_common(bp);
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bp->dmae_ready = 1;
		rc = bnx2x_init_port(bp);
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
		bp->dmae_ready = 1;
		rc = bnx2x_init_func(bp);
		if (rc)
			goto init_hw_err;
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}

	if (!BP_NOMCP(bp)) {
		int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5664 5665

		bp->fw_drv_pulse_wr_seq =
5666
				(SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5667
				 DRV_PULSE_SEQ_MASK);
5668 5669 5670 5671 5672
		bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x  func_stx 0x%x\n",
		   bp->fw_drv_pulse_wr_seq, bp->func_stx);
	} else
		bp->func_stx = 0;
E
Eliezer Tamir 已提交
5673

5674 5675 5676 5677 5678 5679 5680 5681 5682
	/* this needs to be done before gunzip end */
	bnx2x_zero_def_sb(bp);
	for_each_queue(bp, i)
		bnx2x_zero_sb(bp, BP_L_ID(bp) + i);

init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5683 5684
}

E
Eliezer Tamir 已提交
5685
/* send the MCP a request, block until there is a reply */
E
Eliezer Tamir 已提交
5686 5687
static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
{
5688
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
5689 5690
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
5691 5692
	u32 cnt = 1;
	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
E
Eliezer Tamir 已提交
5693

5694
	SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
E
Eliezer Tamir 已提交
5695
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
E
Eliezer Tamir 已提交
5696

5697 5698 5699
	do {
		/* let the FW do it's magic ... */
		msleep(delay);
E
Eliezer Tamir 已提交
5700

5701
		rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
E
Eliezer Tamir 已提交
5702

5703 5704 5705 5706 5707
		/* Give the FW up to 2 second (200*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));

	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
	   cnt*delay, rc, seq);
E
Eliezer Tamir 已提交
5708 5709 5710 5711

	/* is this a reply to our command? */
	if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
		rc &= FW_MSG_CODE_MASK;
E
Eliezer Tamir 已提交
5712

E
Eliezer Tamir 已提交
5713 5714 5715 5716 5717 5718
	} else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eliezer Tamir 已提交
5719

E
Eliezer Tamir 已提交
5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769
	return rc;
}

static void bnx2x_free_mem(struct bnx2x *bp)
{

#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
			pci_free_consistent(bp->pdev, size, x, y); \
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
			vfree(x); \
			x = NULL; \
		} \
	} while (0)

	int i;

	/* fastpath */
	for_each_queue(bp, i) {

		/* Status blocks */
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
			       bnx2x_fp(bp, i, status_blk_mapping),
			       sizeof(struct host_status_block) +
			       sizeof(struct eth_tx_db_data));

		/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
		BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
			       bnx2x_fp(bp, i, tx_desc_mapping),
			       sizeof(struct eth_tx_bd) * NUM_TX_BD);

		BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
			       bnx2x_fp(bp, i, rx_desc_mapping),
			       sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
			       bnx2x_fp(bp, i, rx_comp_mapping),
			       sizeof(struct eth_fast_path_rx_cqe) *
			       NUM_RCQ_BD);

5770
		/* SGE ring */
E
Eilon Greenstein 已提交
5771
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5772 5773 5774 5775
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
			       bnx2x_fp(bp, i, rx_sge_mapping),
			       BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
E
Eliezer Tamir 已提交
5776 5777 5778
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5779
		       sizeof(struct host_def_status_block));
E
Eliezer Tamir 已提交
5780 5781

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5782
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5783 5784 5785 5786 5787 5788 5789

#ifdef BCM_ISCSI
	BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
	BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
	BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
#endif
5790
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851

#undef BNX2X_PCI_FREE
#undef BNX2X_KFREE
}

static int bnx2x_alloc_mem(struct bnx2x *bp)
{

#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
		x = pci_alloc_consistent(bp->pdev, size, y); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)

#define BNX2X_ALLOC(x, size) \
	do { \
		x = vmalloc(size); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)

	int i;

	/* fastpath */
	for_each_queue(bp, i) {
		bnx2x_fp(bp, i, bp) = bp;

		/* Status blocks */
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
				&bnx2x_fp(bp, i, status_blk_mapping),
				sizeof(struct host_status_block) +
				sizeof(struct eth_tx_db_data));

		bnx2x_fp(bp, i, hw_tx_prods) =
				(void *)(bnx2x_fp(bp, i, status_blk) + 1);

		bnx2x_fp(bp, i, tx_prods_mapping) =
				bnx2x_fp(bp, i, status_blk_mapping) +
				sizeof(struct host_status_block);

		/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
		BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
				sizeof(struct sw_tx_bd) * NUM_TX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
				&bnx2x_fp(bp, i, tx_desc_mapping),
				sizeof(struct eth_tx_bd) * NUM_TX_BD);

		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
				sizeof(struct sw_rx_bd) * NUM_RX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
				&bnx2x_fp(bp, i, rx_desc_mapping),
				sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
				&bnx2x_fp(bp, i, rx_comp_mapping),
				sizeof(struct eth_fast_path_rx_cqe) *
				NUM_RCQ_BD);

5852 5853 5854 5855 5856 5857
		/* SGE ring */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
				sizeof(struct sw_rx_page) * NUM_RX_SGE);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
				&bnx2x_fp(bp, i, rx_sge_mapping),
				BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
E
Eliezer Tamir 已提交
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
	}
	/* end of fastpath */

	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_def_status_block));

	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));

#ifdef BCM_ISCSI
	BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);

	/* Initialize T1 */
	for (i = 0; i < 64*1024; i += 64) {
		*(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
		*(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
	}

	/* allocate searcher T2 table
	   we allocate 1/4 of alloc num for T2
	  (which is not entered into the ILT) */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);

	/* Initialize T2 */
	for (i = 0; i < 16*1024; i += 64)
		* (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;

E
Eliezer Tamir 已提交
5885
	/* now fixup the last line in the block to point to the next block */
E
Eliezer Tamir 已提交
5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941
	*(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;

	/* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
	BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);

	/* QM queues (128*MAX_CONN) */
	BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
#endif

	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);

	return 0;

alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;

#undef BNX2X_PCI_ALLOC
#undef BNX2X_ALLOC
}

static void bnx2x_free_tx_skbs(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

		u16 bd_cons = fp->tx_bd_cons;
		u16 sw_prod = fp->tx_pkt_prod;
		u16 sw_cons = fp->tx_pkt_cons;

		while (sw_cons != sw_prod) {
			bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
			sw_cons++;
		}
	}
}

static void bnx2x_free_rx_skbs(struct bnx2x *bp)
{
	int i, j;

	for_each_queue(bp, j) {
		struct bnx2x_fastpath *fp = &bp->fp[j];

		for (i = 0; i < NUM_RX_BD; i++) {
			struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
			struct sk_buff *skb = rx_buf->skb;

			if (skb == NULL)
				continue;

			pci_unmap_single(bp->pdev,
					 pci_unmap_addr(rx_buf, mapping),
5942
					 bp->rx_buf_size,
E
Eliezer Tamir 已提交
5943 5944 5945 5946 5947
					 PCI_DMA_FROMDEVICE);

			rx_buf->skb = NULL;
			dev_kfree_skb(skb);
		}
5948
		if (!fp->disable_tpa)
E
Eilon Greenstein 已提交
5949 5950
			bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
					    ETH_MAX_AGGREGATION_QUEUES_E1 :
5951
					    ETH_MAX_AGGREGATION_QUEUES_E1H);
E
Eliezer Tamir 已提交
5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962
	}
}

static void bnx2x_free_skbs(struct bnx2x *bp)
{
	bnx2x_free_tx_skbs(bp);
	bnx2x_free_rx_skbs(bp);
}

static void bnx2x_free_msix_irqs(struct bnx2x *bp)
{
5963
	int i, offset = 1;
E
Eliezer Tamir 已提交
5964 5965

	free_irq(bp->msix_table[0].vector, bp->dev);
E
Eliezer Tamir 已提交
5966
	DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
E
Eliezer Tamir 已提交
5967 5968 5969
	   bp->msix_table[0].vector);

	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5970
		DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
5971
		   "state %x\n", i, bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
5972 5973
		   bnx2x_fp(bp, i, state));

5974 5975 5976
		if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
			BNX2X_ERR("IRQ of fp #%d being freed while "
				  "state != closed\n", i);
E
Eliezer Tamir 已提交
5977

5978
		free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
E
Eliezer Tamir 已提交
5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994
	}
}

static void bnx2x_free_irq(struct bnx2x *bp)
{
	if (bp->flags & USING_MSIX_FLAG) {
		bnx2x_free_msix_irqs(bp);
		pci_disable_msix(bp->pdev);
		bp->flags &= ~USING_MSIX_FLAG;

	} else
		free_irq(bp->pdev->irq, bp->dev);
}

static int bnx2x_enable_msix(struct bnx2x *bp)
{
5995
	int i, rc, offset;
E
Eliezer Tamir 已提交
5996 5997

	bp->msix_table[0].entry = 0;
5998 5999
	offset = 1;
	DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
E
Eliezer Tamir 已提交
6000

6001 6002
	for_each_queue(bp, i) {
		int igu_vec = offset + i + BP_L_ID(bp);
E
Eliezer Tamir 已提交
6003

6004 6005 6006
		bp->msix_table[i + offset].entry = igu_vec;
		DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
		   "(fastpath #%u)\n", i + offset, igu_vec, i);
E
Eliezer Tamir 已提交
6007 6008
	}

6009 6010 6011 6012 6013 6014
	rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
			     bp->num_queues + offset);
	if (rc) {
		DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
		return -1;
	}
E
Eliezer Tamir 已提交
6015 6016 6017 6018 6019 6020 6021
	bp->flags |= USING_MSIX_FLAG;

	return 0;
}

static int bnx2x_req_msix_irqs(struct bnx2x *bp)
{
6022
	int i, rc, offset = 1;
E
Eliezer Tamir 已提交
6023 6024 6025 6026 6027 6028 6029 6030 6031

	rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
			 bp->dev->name, bp->dev);
	if (rc) {
		BNX2X_ERR("request sp irq failed\n");
		return -EBUSY;
	}

	for_each_queue(bp, i) {
6032
		rc = request_irq(bp->msix_table[i + offset].vector,
E
Eliezer Tamir 已提交
6033 6034 6035
				 bnx2x_msix_fp_int, 0,
				 bp->dev->name, &bp->fp[i]);
		if (rc) {
6036 6037
			BNX2X_ERR("request fp #%d irq failed  rc -%d\n",
				  i + offset, -rc);
E
Eliezer Tamir 已提交
6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049
			bnx2x_free_msix_irqs(bp);
			return -EBUSY;
		}

		bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
	}

	return 0;
}

static int bnx2x_req_irq(struct bnx2x *bp)
{
6050
	int rc;
E
Eliezer Tamir 已提交
6051

6052 6053
	rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
			 bp->dev->name, bp->dev);
E
Eliezer Tamir 已提交
6054 6055 6056 6057 6058 6059
	if (!rc)
		bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;

	return rc;
}

6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087
static void bnx2x_napi_enable(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i)
		napi_enable(&bnx2x_fp(bp, i, napi));
}

static void bnx2x_napi_disable(struct bnx2x *bp)
{
	int i;

	for_each_queue(bp, i)
		napi_disable(&bnx2x_fp(bp, i, napi));
}

static void bnx2x_netif_start(struct bnx2x *bp)
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			if (bp->state == BNX2X_STATE_OPEN)
				netif_wake_queue(bp->dev);
			bnx2x_napi_enable(bp);
			bnx2x_int_enable(bp);
		}
	}
}

Y
Yitchak Gertner 已提交
6088
static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
6089
{
Y
Yitchak Gertner 已提交
6090
	bnx2x_int_disable_sync(bp, disable_hw);
6091 6092 6093 6094 6095 6096 6097
	if (netif_running(bp->dev)) {
		bnx2x_napi_disable(bp);
		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}
}

E
Eliezer Tamir 已提交
6098 6099 6100 6101
/*
 * Init service functions
 */

6102
static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
E
Eliezer Tamir 已提交
6103 6104
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6105
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6106 6107 6108 6109 6110 6111

	/* CAM allocation
	 * unicasts 0-31:port0 32-63:port1
	 * multicast 64-127:port0 128-191:port1
	 */
	config->hdr.length_6b = 2;
6112 6113
	config->hdr.offset = port ? 31 : 0;
	config->hdr.client_id = BP_CL_ID(bp);
E
Eliezer Tamir 已提交
6114 6115 6116 6117 6118 6119 6120 6121 6122
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].cam_entry.msb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[0]);
	config->config_table[0].cam_entry.middle_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[2]);
	config->config_table[0].cam_entry.lsb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[4]);
6123
	config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6124 6125 6126 6127
	if (set)
		config->config_table[0].target_table_entry.flags = 0;
	else
		CAM_INVALIDATE(config->config_table[0]);
E
Eliezer Tamir 已提交
6128 6129 6130
	config->config_table[0].target_table_entry.client_id = 0;
	config->config_table[0].target_table_entry.vlan_id = 0;

6131 6132
	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
	   (set ? "setting" : "clearing"),
E
Eliezer Tamir 已提交
6133 6134 6135 6136 6137 6138 6139 6140
	   config->config_table[0].cam_entry.msb_mac_addr,
	   config->config_table[0].cam_entry.middle_mac_addr,
	   config->config_table[0].cam_entry.lsb_mac_addr);

	/* broadcast */
	config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
	config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
	config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6141
	config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6142 6143
	if (set)
		config->config_table[1].target_table_entry.flags =
E
Eliezer Tamir 已提交
6144
				TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6145 6146
	else
		CAM_INVALIDATE(config->config_table[1]);
E
Eliezer Tamir 已提交
6147 6148 6149 6150 6151 6152 6153 6154
	config->config_table[1].target_table_entry.client_id = 0;
	config->config_table[1].target_table_entry.vlan_id = 0;

	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
}

6155
static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6156 6157 6158 6159
{
	struct mac_configuration_cmd_e1h *config =
		(struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);

6160
	if (set && (bp->state != BNX2X_STATE_OPEN)) {
6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	/* CAM allocation for E1H
	 * unicasts: by func number
	 * multicast: 20+FUNC*20, 20 each
	 */
	config->hdr.length_6b = 1;
	config->hdr.offset = BP_FUNC(bp);
	config->hdr.client_id = BP_CL_ID(bp);
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[0]);
	config->config_table[0].middle_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[2]);
	config->config_table[0].lsb_mac_addr =
					swab16(*(u16 *)&bp->dev->dev_addr[4]);
	config->config_table[0].client_id = BP_L_ID(bp);
	config->config_table[0].vlan_id = 0;
	config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6184 6185 6186 6187 6188
	if (set)
		config->config_table[0].flags = BP_PORT(bp);
	else
		config->config_table[0].flags =
				MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6189

6190 6191
	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
	   (set ? "setting" : "clearing"),
6192 6193 6194 6195 6196 6197 6198 6199 6200
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
	   config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));

	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
}

E
Eliezer Tamir 已提交
6201 6202 6203 6204
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int poll)
{
	/* can take a while if any port is running */
6205
	int cnt = 500;
E
Eliezer Tamir 已提交
6206

E
Eliezer Tamir 已提交
6207 6208
	DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
	   poll ? "polling" : "waiting", state, idx);
E
Eliezer Tamir 已提交
6209 6210

	might_sleep();
6211
	while (cnt--) {
E
Eliezer Tamir 已提交
6212 6213
		if (poll) {
			bnx2x_rx_int(bp->fp, 10);
6214 6215
			/* if index is different from 0
			 * the reply for some commands will
6216
			 * be on the non default queue
E
Eliezer Tamir 已提交
6217 6218 6219 6220 6221
			 */
			if (idx)
				bnx2x_rx_int(&bp->fp[idx], 10);
		}

6222
		mb(); /* state is changed by bnx2x_sp_event() */
6223
		if (*state_p == state)
E
Eliezer Tamir 已提交
6224 6225 6226 6227 6228 6229
			return 0;

		msleep(1);
	}

	/* timeout! */
6230 6231
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6232 6233 6234
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6235

6236
	return -EBUSY;
E
Eliezer Tamir 已提交
6237 6238 6239 6240
}

static int bnx2x_setup_leading(struct bnx2x *bp)
{
6241
	int rc;
E
Eliezer Tamir 已提交
6242

E
Eliezer Tamir 已提交
6243
	/* reset IGU state */
6244
	bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6245 6246 6247 6248

	/* SETUP ramrod */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);

6249 6250
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
E
Eliezer Tamir 已提交
6251

6252
	return rc;
E
Eliezer Tamir 已提交
6253 6254 6255 6256 6257
}

static int bnx2x_setup_multi(struct bnx2x *bp, int index)
{
	/* reset IGU state */
6258
	bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6259

6260
	/* SETUP ramrod */
E
Eliezer Tamir 已提交
6261 6262 6263 6264 6265
	bp->fp[index].state = BNX2X_FP_STATE_OPENING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);

	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6266
				 &(bp->fp[index].state), 0);
E
Eliezer Tamir 已提交
6267 6268 6269 6270 6271
}

static int bnx2x_poll(struct napi_struct *napi, int budget);
static void bnx2x_set_rx_mode(struct net_device *dev);

6272 6273
/* must be called with rtnl_lock */
static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
E
Eliezer Tamir 已提交
6274
{
6275
	u32 load_code;
6276 6277 6278 6279 6280
	int i, rc;
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EPERM;
#endif
E
Eliezer Tamir 已提交
6281 6282 6283

	bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;

6284 6285 6286 6287
	/* Send LOAD_REQUEST command to MCP
	   Returns the type of LOAD command:
	   if it is the first port to be initialized
	   common blocks should be initialized, otherwise - not
E
Eliezer Tamir 已提交
6288
	*/
6289
	if (!BP_NOMCP(bp)) {
6290 6291
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
		if (!load_code) {
6292
			BNX2X_ERR("MCP response failure, aborting\n");
6293 6294
			return -EBUSY;
		}
6295
		if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
E
Eliezer Tamir 已提交
6296
			return -EBUSY; /* other port in diagnostic mode */
6297

E
Eliezer Tamir 已提交
6298
	} else {
6299 6300
		int port = BP_PORT(bp);

6301 6302 6303
		DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		load_count[0]++;
6304
		load_count[1 + port]++;
6305 6306 6307 6308
		DP(NETIF_MSG_IFUP, "NO MCP new load counts       %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		if (load_count[0] == 1)
			load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6309
		else if (load_count[1 + port] == 1)
6310 6311 6312
			load_code = FW_MSG_CODE_DRV_LOAD_PORT;
		else
			load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
E
Eliezer Tamir 已提交
6313 6314
	}

6315 6316 6317 6318 6319 6320 6321 6322 6323
	if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
	    (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
		bp->port.pmf = 1;
	else
		bp->port.pmf = 0;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* if we can't use MSI-X we only need one fp,
	 * so try to enable MSI-X with the requested number of fp's
E
Eliezer Tamir 已提交
6324 6325
	 * and fallback to inta with one fp
	 */
6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337
	if (use_inta) {
		bp->num_queues = 1;

	} else {
		if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
			/* user requested number */
			bp->num_queues = use_multi;

		else if (use_multi)
			bp->num_queues = min_t(u32, num_online_cpus(),
					       BP_MAX_QUEUES(bp));
		else
E
Eliezer Tamir 已提交
6338
			bp->num_queues = 1;
6339 6340 6341 6342 6343 6344 6345

		if (bnx2x_enable_msix(bp)) {
			/* failed to enable MSI-X */
			bp->num_queues = 1;
			if (use_multi)
				BNX2X_ERR("Multi requested but failed"
					  " to enable MSI-X\n");
E
Eliezer Tamir 已提交
6346 6347
		}
	}
6348 6349
	DP(NETIF_MSG_IFUP,
	   "set number of queues to %d\n", bp->num_queues);
E
Eliezer Tamir 已提交
6350

E
Eliezer Tamir 已提交
6351 6352 6353
	if (bnx2x_alloc_mem(bp))
		return -ENOMEM;

6354 6355 6356 6357
	for_each_queue(bp, i)
		bnx2x_fp(bp, i, disable_tpa) =
					((bp->flags & TPA_ENABLE_FLAG) == 0);

6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369
	if (bp->flags & USING_MSIX_FLAG) {
		rc = bnx2x_req_msix_irqs(bp);
		if (rc) {
			pci_disable_msix(bp->pdev);
			goto load_error;
		}
	} else {
		bnx2x_ack_int(bp);
		rc = bnx2x_req_irq(bp);
		if (rc) {
			BNX2X_ERR("IRQ request failed, aborting\n");
			goto load_error;
E
Eliezer Tamir 已提交
6370 6371 6372 6373 6374 6375 6376 6377
		}
	}

	for_each_queue(bp, i)
		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
			       bnx2x_poll, 128);

	/* Initialize HW */
6378 6379
	rc = bnx2x_init_hw(bp, load_code);
	if (rc) {
E
Eliezer Tamir 已提交
6380
		BNX2X_ERR("HW init failed, aborting\n");
6381
		goto load_int_disable;
E
Eliezer Tamir 已提交
6382 6383 6384
	}

	/* Setup NIC internals and enable interrupts */
6385
	bnx2x_nic_init(bp, load_code);
E
Eliezer Tamir 已提交
6386 6387

	/* Send LOAD_DONE command to MCP */
6388
	if (!BP_NOMCP(bp)) {
6389 6390
		load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
		if (!load_code) {
6391
			BNX2X_ERR("MCP response failure, aborting\n");
6392
			rc = -EBUSY;
6393
			goto load_rings_free;
E
Eliezer Tamir 已提交
6394 6395 6396
		}
	}

Y
Yitchak Gertner 已提交
6397 6398
	bnx2x_stats_init(bp);

E
Eliezer Tamir 已提交
6399 6400 6401 6402
	bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;

	/* Enable Rx interrupt handling before sending the ramrod
	   as it's completed on Rx FP queue */
6403
	bnx2x_napi_enable(bp);
E
Eliezer Tamir 已提交
6404

6405 6406 6407
	/* Enable interrupt handling */
	atomic_set(&bp->intr_sem, 0);

6408 6409
	rc = bnx2x_setup_leading(bp);
	if (rc) {
6410
		BNX2X_ERR("Setup leading failed!\n");
6411
		goto load_netif_stop;
6412
	}
E
Eliezer Tamir 已提交
6413

6414 6415 6416 6417 6418
	if (CHIP_IS_E1H(bp))
		if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
			BNX2X_ERR("!!!  mf_cfg function disabled\n");
			bp->state = BNX2X_STATE_DISABLED;
		}
E
Eliezer Tamir 已提交
6419

6420 6421 6422 6423
	if (bp->state == BNX2X_STATE_OPEN)
		for_each_nondefault_queue(bp, i) {
			rc = bnx2x_setup_multi(bp, i);
			if (rc)
6424
				goto load_netif_stop;
6425
		}
E
Eliezer Tamir 已提交
6426

6427
	if (CHIP_IS_E1(bp))
6428
		bnx2x_set_mac_addr_e1(bp, 1);
6429
	else
6430
		bnx2x_set_mac_addr_e1h(bp, 1);
6431 6432 6433

	if (bp->port.pmf)
		bnx2x_initial_phy_init(bp);
E
Eliezer Tamir 已提交
6434 6435

	/* Start fast path */
6436 6437 6438 6439 6440 6441 6442 6443
	switch (load_mode) {
	case LOAD_NORMAL:
		/* Tx queue should be only reenabled */
		netif_wake_queue(bp->dev);
		bnx2x_set_rx_mode(bp->dev);
		break;

	case LOAD_OPEN:
E
Eliezer Tamir 已提交
6444
		netif_start_queue(bp->dev);
6445
		bnx2x_set_rx_mode(bp->dev);
E
Eliezer Tamir 已提交
6446 6447 6448
		if (bp->flags & USING_MSIX_FLAG)
			printk(KERN_INFO PFX "%s: using MSI-X\n",
			       bp->dev->name);
6449
		break;
E
Eliezer Tamir 已提交
6450

6451
	case LOAD_DIAG:
E
Eliezer Tamir 已提交
6452
		bnx2x_set_rx_mode(bp->dev);
6453 6454 6455 6456 6457
		bp->state = BNX2X_STATE_DIAG;
		break;

	default:
		break;
E
Eliezer Tamir 已提交
6458 6459
	}

6460 6461 6462
	if (!bp->port.pmf)
		bnx2x__link_status_update(bp);

E
Eliezer Tamir 已提交
6463 6464 6465
	/* start the timer */
	mod_timer(&bp->timer, jiffies + bp->current_interval);

6466

E
Eliezer Tamir 已提交
6467 6468
	return 0;

6469
load_netif_stop:
6470
	bnx2x_napi_disable(bp);
6471
load_rings_free:
6472 6473 6474
	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
	for_each_queue(bp, i)
6475
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6476
load_int_disable:
Y
Yitchak Gertner 已提交
6477
	bnx2x_int_disable_sync(bp, 1);
6478 6479
	/* Release IRQs */
	bnx2x_free_irq(bp);
6480
load_error:
E
Eliezer Tamir 已提交
6481
	bnx2x_free_mem(bp);
6482
	bp->port.pmf = 0;
E
Eliezer Tamir 已提交
6483 6484 6485

	/* TBD we really need to reset the chip
	   if we want to recover from this */
6486
	return rc;
E
Eliezer Tamir 已提交
6487 6488 6489 6490 6491 6492
}

static int bnx2x_stop_multi(struct bnx2x *bp, int index)
{
	int rc;

E
Eliezer Tamir 已提交
6493
	/* halt the connection */
E
Eliezer Tamir 已提交
6494
	bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Y
Yitchak Gertner 已提交
6495
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
E
Eliezer Tamir 已提交
6496

6497
	/* Wait for completion */
E
Eliezer Tamir 已提交
6498
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6499
			       &(bp->fp[index].state), 1);
E
Eliezer Tamir 已提交
6500
	if (rc) /* timeout */
E
Eliezer Tamir 已提交
6501 6502 6503 6504 6505
		return rc;

	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);

6506 6507 6508 6509
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
			       &(bp->fp[index].state), 1);
	return rc;
E
Eliezer Tamir 已提交
6510 6511
}

6512
static int bnx2x_stop_leading(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6513
{
6514
	u16 dsb_sp_prod_idx;
E
Eliezer Tamir 已提交
6515
	/* if the other port is handling traffic,
E
Eliezer Tamir 已提交
6516
	   this can take a lot of time */
6517 6518
	int cnt = 500;
	int rc;
E
Eliezer Tamir 已提交
6519 6520 6521 6522 6523

	might_sleep();

	/* Send HALT ramrod */
	bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6524
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
E
Eliezer Tamir 已提交
6525

6526 6527 6528 6529
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
			       &(bp->fp[0].state), 1);
	if (rc) /* timeout */
6530
		return rc;
E
Eliezer Tamir 已提交
6531

6532
	dsb_sp_prod_idx = *bp->dsb_sp_prod;
E
Eliezer Tamir 已提交
6533

6534
	/* Send PORT_DELETE ramrod */
E
Eliezer Tamir 已提交
6535 6536
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);

6537
	/* Wait for completion to arrive on default status block
E
Eliezer Tamir 已提交
6538 6539 6540
	   we are going to reset the chip anyway
	   so there is not much to do if this times out
	 */
6541 6542 6543 6544 6545 6546 6547
	while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
		if (!cnt) {
			DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
			   "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
			   *bp->dsb_sp_prod, dsb_sp_prod_idx);
#ifdef BNX2X_STOP_ON_ERROR
			bnx2x_panic();
6548 6549
#else
			rc = -EBUSY;
6550 6551 6552 6553
#endif
			break;
		}
		cnt--;
6554
		msleep(1);
6555 6556 6557
	}
	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6558 6559

	return rc;
E
Eliezer Tamir 已提交
6560 6561
}

6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
	int base, i;

	/* Configure IGU */
	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);

	REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);

	/* Clear ILT */
	base = FUNC_ILT_BASE(func);
	for (i = base; i < base + ILT_PER_FUNC; i++)
		bnx2x_ilt_wr(bp, i, 0);
}

static void bnx2x_reset_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);

	/* Do not rcv packets to BRB */
	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
	/* Do not direct rcv packets that are not for MCP to the BRB */
	REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
			   NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);

	/* Configure AEU */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);

	msleep(100);
	/* Check for BRB port occupancy */
	val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
	if (val)
		DP(NETIF_MSG_IFDOWN,
E
Eilon Greenstein 已提交
6601
		   "BRB1 is not empty  %d blocks are occupied\n", val);
6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633

	/* TODO: Close Doorbell port? */
}

static void bnx2x_reset_common(struct bnx2x *bp)
{
	/* reset_common */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0xd3ffff7f);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}

static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
{
	DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
	   BP_FUNC(bp), reset_code);

	switch (reset_code) {
	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		bnx2x_reset_common(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_PORT:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
		bnx2x_reset_func(bp);
		break;
6634

6635 6636 6637 6638 6639 6640
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

E
Eilon Greenstein 已提交
6641
/* must be called with rtnl_lock */
6642
static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
6643
{
6644
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6645
	u32 reset_code = 0;
6646
	int i, cnt, rc;
E
Eliezer Tamir 已提交
6647 6648 6649

	bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;

6650 6651
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);
E
Eliezer Tamir 已提交
6652

Y
Yitchak Gertner 已提交
6653
	bnx2x_netif_stop(bp, 1);
6654 6655
	if (!netif_running(bp->dev))
		bnx2x_napi_disable(bp);
6656 6657 6658
	del_timer_sync(&bp->timer);
	SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
		 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Y
Yitchak Gertner 已提交
6659
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6660

6661
	/* Wait until tx fast path tasks complete */
6662 6663 6664
	for_each_queue(bp, i) {
		struct bnx2x_fastpath *fp = &bp->fp[i];

6665 6666
		cnt = 1000;
		smp_rmb();
6667 6668
		while (BNX2X_HAS_TX_WORK(fp)) {

6669
			bnx2x_tx_int(fp, 1000);
6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
6681
			msleep(1);
6682 6683
			smp_rmb();
		}
6684
	}
6685 6686
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
6687

6688 6689 6690
	/* Release IRQs */
	bnx2x_free_irq(bp);

6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712
	if (CHIP_IS_E1(bp)) {
		struct mac_configuration_cmd *config =
						bnx2x_sp(bp, mcast_config);

		bnx2x_set_mac_addr_e1(bp, 0);

		for (i = 0; i < config->hdr.length_6b; i++)
			CAM_INVALIDATE(config->config_table[i]);

		config->hdr.length_6b = i;
		if (CHIP_REV_IS_SLOW(bp))
			config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
		else
			config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
		config->hdr.client_id = BP_CL_ID(bp);
		config->hdr.reserved1 = 0;

		bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
			      U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
			      U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);

	} else { /* E1H */
6713 6714
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

6715 6716 6717 6718 6719 6720
		bnx2x_set_mac_addr_e1h(bp, 0);

		for (i = 0; i < MC_HASH_SIZE; i++)
			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
	}

6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

	else if (bp->flags & NO_WOL_FLAG) {
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
		if (CHIP_IS_E1H(bp))
			REG_WR(bp, MISC_REG_E1HMF_MODE, 0);

	} else if (bp->wol) {
		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		u8 *mac_addr = bp->dev->dev_addr;
		u32 val;
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
		u8 entry = (BP_E1HVN(bp) + 1)*8;

		val = (mac_addr[0] << 8) | mac_addr[1];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;

	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6748

6749 6750
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
E
Eliezer Tamir 已提交
6751 6752
	for_each_nondefault_queue(bp, i)
		if (bnx2x_stop_multi(bp, i))
6753
			goto unload_error;
E
Eliezer Tamir 已提交
6754

6755 6756
	rc = bnx2x_stop_leading(bp);
	if (rc) {
6757
		BNX2X_ERR("Stop leading failed!\n");
6758
#ifdef BNX2X_STOP_ON_ERROR
6759
		return -EBUSY;
6760 6761
#else
		goto unload_error;
6762
#endif
6763 6764 6765
	}

unload_error:
6766
	if (!BP_NOMCP(bp))
6767
		reset_code = bnx2x_fw_command(bp, reset_code);
6768 6769 6770 6771
	else {
		DP(NETIF_MSG_IFDOWN, "NO MCP load counts      %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		load_count[0]--;
6772
		load_count[1 + port]--;
6773 6774 6775 6776
		DP(NETIF_MSG_IFDOWN, "NO MCP new load counts  %d, %d, %d\n",
		   load_count[0], load_count[1], load_count[2]);
		if (load_count[0] == 0)
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6777
		else if (load_count[1 + port] == 0)
6778 6779 6780 6781
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
6782

6783 6784 6785
	if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
	    (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
		bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
6786 6787

	/* Reset the chip */
6788
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
6789 6790

	/* Report UNLOAD_DONE to MCP */
6791
	if (!BP_NOMCP(bp))
E
Eliezer Tamir 已提交
6792
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6793
	bp->port.pmf = 0;
E
Eliezer Tamir 已提交
6794

6795
	/* Free SKBs, SGEs, TPA pool and driver internals */
E
Eliezer Tamir 已提交
6796
	bnx2x_free_skbs(bp);
6797
	for_each_queue(bp, i)
6798
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
E
Eliezer Tamir 已提交
6799 6800 6801
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;
6802

E
Eliezer Tamir 已提交
6803 6804 6805 6806 6807
	netif_carrier_off(bp->dev);

	return 0;
}

6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830
static void bnx2x_reset_task(struct work_struct *work)
{
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
	 KERN_ERR " you will need to reboot when done\n");
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

	bnx2x_nic_unload(bp, UNLOAD_NORMAL);
	bnx2x_nic_load(bp, LOAD_NORMAL);

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
6831 6832 6833 6834 6835 6836 6837 6838
/* end of nic load/unload */

/* ethtool_ops */

/*
 * Init service functions
 */

6839 6840 6841 6842 6843 6844 6845 6846 6847 6848
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
	u32 val;

	/* Check if there is any driver already loaded */
	val = REG_RD(bp, MISC_REG_UNPREPARED);
	if (val == 0x1) {
		/* Check if it is the UNDI driver
		 * UNDI driver initializes CID offset for normal bell to 0x7
		 */
Y
Yitchak Gertner 已提交
6849
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6850
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
E
Eilon Greenstein 已提交
6851 6852 6853 6854
		if (val == 0x7)
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

6855 6856
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6857
			/* save our func */
6858
			int func = BP_FUNC(bp);
6859 6860
			u32 swap_en;
			u32 swap_val;
6861 6862 6863 6864 6865

			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
			bp->func = 0;
6866 6867 6868
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6869 6870 6871 6872 6873
			reset_code = bnx2x_fw_command(bp, reset_code);

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

6874 6875 6876 6877
				/* send "DONE" for previous unload */
				bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

				/* unload UNDI on port 1 */
6878
				bp->func = 1;
6879 6880 6881 6882 6883 6884
				bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

				bnx2x_fw_command(bp, reset_code);
6885 6886
			}

6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902 6903 6904 6905 6906 6907 6908
			REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
				    HC_REG_CONFIG_0), 0x1000);

			/* close input traffic and wait for it */
			/* Do not rcv packets to BRB */
			REG_WR(bp,
			      (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
					     NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
			/* Do not direct rcv packets that are not for MCP to
			 * the BRB */
			REG_WR(bp,
			       (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
					      NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
			/* clear AEU */
			REG_WR(bp,
			     (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					    MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
			msleep(10);

			/* save NIG port swap info */
			swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
			swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6909 6910 6911
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6912
			       0xd3ffffff);
6913 6914 6915
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930
			/* take the NIG out of reset and restore swap values */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
			       MISC_REGISTERS_RESET_REG_1_RST_NIG);
			REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
			REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);

			/* send unload done to the MCP */
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);

			/* restore our func and fw_seq */
			bp->func = func;
			bp->fw_seq =
			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
				DRV_MSG_SEQ_NUMBER_MASK);
6931 6932 6933 6934 6935 6936 6937
		}
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
6938
	u16 pmc;
6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995

	/* Get the chip revision id and number. */
	/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
	val = REG_RD(bp, MISC_REG_CHIP_NUM);
	id = ((val & 0xffff) << 16);
	val = REG_RD(bp, MISC_REG_CHIP_REV);
	id |= ((val & 0xf) << 12);
	val = REG_RD(bp, MISC_REG_CHIP_METAL);
	id |= ((val & 0xff) << 4);
	REG_RD(bp, MISC_REG_BOND_ID);
	id |= (val & 0xf);
	bp->common.chip_id = id;
	bp->link_params.chip_id = bp->common.chip_id;
	BNX2X_DEV_INFO("chip ID is 0x%x\n", id);

	val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
	bp->common.flash_size = (NVRAM_1MB_SIZE <<
				 (val & MCPR_NVM_CFG4_FLASH_SIZE));
	BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
		       bp->common.flash_size, bp->common.flash_size);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	bp->link_params.shmem_base = bp->common.shmem_base;
	BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);

	if (!bp->common.shmem_base ||
	    (bp->common.shmem_base < 0xA0000) ||
	    (bp->common.shmem_base >= 0xC0000)) {
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		BNX2X_ERR("BAD MCP validity signature\n");

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
	bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);

	BNX2X_DEV_INFO("hw_config 0x%08x  board 0x%08x\n",
		       bp->common.hw_config, bp->common.board);

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

	val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
	bp->common.bc_ver = val;
	BNX2X_DEV_INFO("bc_ver %X\n", val);
	if (val < BNX2X_BC_VER) {
		/* for now only warn
		 * later we might need to enforce this */
		BNX2X_ERR("This driver needs bc_ver %X but found %X,"
			  " please upgrade BC\n", BNX2X_BC_VER, val);
	}
E
Eilon Greenstein 已提交
6996 6997 6998 6999 7000 7001 7002 7003 7004 7005

	if (BP_E1HVN(bp) == 0) {
		pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
		bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
	} else {
		/* no WOL capability for E1HVN != 0 */
		bp->flags |= NO_WOL_FLAG;
	}
	BNX2X_DEV_INFO("%sWoL capable\n",
		       (bp->flags & NO_WOL_FLAG) ? "Not " : "");
7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017

	val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
	val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
	val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
	val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);

	printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
	       val, val2, val3, val4);
}

static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
7018
{
7019
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7020 7021 7022 7023 7024 7025
	u32 ext_phy_type;

	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);

Y
Yaniv Rosner 已提交
7026 7027
		ext_phy_type =
			SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7028 7029 7030 7031 7032
		switch (ext_phy_type) {
		case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
				       ext_phy_type);

7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7044 7045 7046 7047 7048 7049
			break;

		case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
				       ext_phy_type);

7050 7051 7052 7053 7054 7055 7056 7057 7058 7059
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7060 7061 7062 7063 7064
			break;

		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD SerDes ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7065
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7066 7067 7068
			return;
		}

7069 7070 7071
		bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
					   port*0x10);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
7072 7073 7074 7075 7076
		break;

	case SWITCH_CFG_10G:
		BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);

Y
Yaniv Rosner 已提交
7077 7078
		ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7079 7080 7081 7082 7083
		switch (ext_phy_type) {
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
				       ext_phy_type);

7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 7094 7095
			bp->port.supported |= (SUPPORTED_10baseT_Half |
					       SUPPORTED_10baseT_Full |
					       SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7096 7097 7098
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
E
Eliezer Tamir 已提交
7099
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7100
				       ext_phy_type);
E
Eliezer Tamir 已提交
7101

7102 7103 7104 7105
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7106 7107
			break;

E
Eliezer Tamir 已提交
7108
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
E
Eliezer Tamir 已提交
7109 7110 7111
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
				       ext_phy_type);

7112 7113 7114 7115 7116
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7117 7118 7119 7120
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
E
Eliezer Tamir 已提交
7121 7122
				       ext_phy_type);

7123 7124 7125 7126 7127 7128
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7129 7130
			break;

Y
Yaniv Rosner 已提交
7131 7132 7133 7134
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
				       ext_phy_type);

7135 7136 7137 7138 7139 7140 7141
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_2500baseX_Full |
					       SUPPORTED_1000baseT_Full |
					       SUPPORTED_FIBRE |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
Y
Yaniv Rosner 已提交
7142 7143
			break;

E
Eliezer Tamir 已提交
7144 7145 7146 7147
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
				       ext_phy_type);

7148 7149 7150 7151 7152
			bp->port.supported |= (SUPPORTED_10000baseT_Full |
					       SUPPORTED_TP |
					       SUPPORTED_Autoneg |
					       SUPPORTED_Pause |
					       SUPPORTED_Asym_Pause);
E
Eliezer Tamir 已提交
7153 7154
			break;

Y
Yaniv Rosner 已提交
7155 7156 7157 7158 7159
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
			BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
				  bp->link_params.ext_phy_config);
			break;

E
Eliezer Tamir 已提交
7160 7161 7162
		default:
			BNX2X_ERR("NVRAM config error. "
				  "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7163
				  bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7164 7165 7166
			return;
		}

7167 7168 7169
		bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
					   port*0x18);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
7170 7171 7172 7173 7174

		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7175
			  bp->port.link_config);
E
Eliezer Tamir 已提交
7176 7177
		return;
	}
7178
	bp->link_params.phy_addr = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7179 7180

	/* mask what we support according to speed_cap_mask */
Y
Yaniv Rosner 已提交
7181 7182
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7183
		bp->port.supported &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
7184

Y
Yaniv Rosner 已提交
7185 7186
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7187
		bp->port.supported &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
7188

Y
Yaniv Rosner 已提交
7189 7190
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7191
		bp->port.supported &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
7192

Y
Yaniv Rosner 已提交
7193 7194
	if (!(bp->link_params.speed_cap_mask &
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7195
		bp->port.supported &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
7196

Y
Yaniv Rosner 已提交
7197 7198
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7199 7200
		bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
					SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
7201

Y
Yaniv Rosner 已提交
7202 7203
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7204
		bp->port.supported &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
7205

Y
Yaniv Rosner 已提交
7206 7207
	if (!(bp->link_params.speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7208
		bp->port.supported &= ~SUPPORTED_10000baseT_Full;
E
Eliezer Tamir 已提交
7209

7210
	BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
E
Eliezer Tamir 已提交
7211 7212
}

7213
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7214
{
Y
Yaniv Rosner 已提交
7215
	bp->link_params.req_duplex = DUPLEX_FULL;
E
Eliezer Tamir 已提交
7216

7217
	switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
E
Eliezer Tamir 已提交
7218
	case PORT_FEATURE_LINK_SPEED_AUTO:
7219
		if (bp->port.supported & SUPPORTED_Autoneg) {
Y
Yaniv Rosner 已提交
7220
			bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7221
			bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7222
		} else {
Y
Yaniv Rosner 已提交
7223 7224 7225 7226 7227 7228 7229
			u32 ext_phy_type =
			    XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);

			if ((ext_phy_type ==
			     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
			    (ext_phy_type ==
			     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
E
Eliezer Tamir 已提交
7230
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
7231
				bp->link_params.req_line_speed = SPEED_10000;
7232
				bp->port.advertising =
E
Eliezer Tamir 已提交
7233 7234 7235 7236 7237 7238 7239
						(ADVERTISED_10000baseT_Full |
						 ADVERTISED_FIBRE);
				break;
			}
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  Autoneg not supported\n",
7240
				  bp->port.link_config);
E
Eliezer Tamir 已提交
7241 7242 7243 7244 7245
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_FULL:
7246
		if (bp->port.supported & SUPPORTED_10baseT_Full) {
Y
Yaniv Rosner 已提交
7247
			bp->link_params.req_line_speed = SPEED_10;
7248 7249
			bp->port.advertising = (ADVERTISED_10baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7250 7251 7252 7253
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7254
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7255
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7256 7257 7258 7259 7260
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_HALF:
7261
		if (bp->port.supported & SUPPORTED_10baseT_Half) {
Y
Yaniv Rosner 已提交
7262 7263
			bp->link_params.req_line_speed = SPEED_10;
			bp->link_params.req_duplex = DUPLEX_HALF;
7264 7265
			bp->port.advertising = (ADVERTISED_10baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7266 7267 7268 7269
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7270
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7271
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7272 7273 7274 7275 7276
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_FULL:
7277
		if (bp->port.supported & SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
7278
			bp->link_params.req_line_speed = SPEED_100;
7279 7280
			bp->port.advertising = (ADVERTISED_100baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7281 7282 7283 7284
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7285
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7286
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7287 7288 7289 7290 7291
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_HALF:
7292
		if (bp->port.supported & SUPPORTED_100baseT_Half) {
Y
Yaniv Rosner 已提交
7293 7294
			bp->link_params.req_line_speed = SPEED_100;
			bp->link_params.req_duplex = DUPLEX_HALF;
7295 7296
			bp->port.advertising = (ADVERTISED_100baseT_Half |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7297 7298 7299 7300
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7301
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7302
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7303 7304 7305 7306 7307
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_1G:
7308
		if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Y
Yaniv Rosner 已提交
7309
			bp->link_params.req_line_speed = SPEED_1000;
7310 7311
			bp->port.advertising = (ADVERTISED_1000baseT_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7312 7313 7314 7315
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7316
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7317
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7318 7319 7320 7321 7322
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_2_5G:
7323
		if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Y
Yaniv Rosner 已提交
7324
			bp->link_params.req_line_speed = SPEED_2500;
7325 7326
			bp->port.advertising = (ADVERTISED_2500baseX_Full |
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7327 7328 7329 7330
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7331
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7332
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7333 7334 7335 7336 7337 7338 7339
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10G_CX4:
	case PORT_FEATURE_LINK_SPEED_10G_KX4:
	case PORT_FEATURE_LINK_SPEED_10G_KR:
7340
		if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Y
Yaniv Rosner 已提交
7341
			bp->link_params.req_line_speed = SPEED_10000;
7342 7343
			bp->port.advertising = (ADVERTISED_10000baseT_Full |
						ADVERTISED_FIBRE);
E
Eliezer Tamir 已提交
7344 7345 7346 7347
		} else {
			BNX2X_ERR("NVRAM config error. "
				  "Invalid link_config 0x%x"
				  "  speed_cap_mask 0x%x\n",
7348
				  bp->port.link_config,
Y
Yaniv Rosner 已提交
7349
				  bp->link_params.speed_cap_mask);
E
Eliezer Tamir 已提交
7350 7351 7352 7353 7354 7355 7356
			return;
		}
		break;

	default:
		BNX2X_ERR("NVRAM config error. "
			  "BAD link speed link_config 0x%x\n",
7357
			  bp->port.link_config);
Y
Yaniv Rosner 已提交
7358
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7359
		bp->port.advertising = bp->port.supported;
E
Eliezer Tamir 已提交
7360 7361 7362
		break;
	}

7363 7364
	bp->link_params.req_flow_ctrl = (bp->port.link_config &
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
7365
	if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
R
Randy Dunlap 已提交
7366
	    !(bp->port.supported & SUPPORTED_Autoneg))
Y
Yaniv Rosner 已提交
7367
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
7368

Y
Yaniv Rosner 已提交
7369
	BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d  req_flow_ctrl 0x%x"
E
Eliezer Tamir 已提交
7370
		       "  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7371 7372
		       bp->link_params.req_line_speed,
		       bp->link_params.req_duplex,
7373
		       bp->link_params.req_flow_ctrl, bp->port.advertising);
E
Eliezer Tamir 已提交
7374 7375
}

7376
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7377
{
7378 7379
	int port = BP_PORT(bp);
	u32 val, val2;
E
Eliezer Tamir 已提交
7380

Y
Yaniv Rosner 已提交
7381
	bp->link_params.bp = bp;
7382
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
7383 7384

	bp->link_params.serdes_config =
E
Eliezer Tamir 已提交
7385
		SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Y
Yaniv Rosner 已提交
7386
	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
7387
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Y
Yaniv Rosner 已提交
7388
	bp->link_params.ext_phy_config =
E
Eliezer Tamir 已提交
7389 7390
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
Y
Yaniv Rosner 已提交
7391
	bp->link_params.speed_cap_mask =
E
Eliezer Tamir 已提交
7392 7393 7394
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);

7395
	bp->port.link_config =
E
Eliezer Tamir 已提交
7396 7397
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

7398 7399 7400
	BNX2X_DEV_INFO("serdes_config 0x%08x  lane_config 0x%08x\n"
	     KERN_INFO "  ext_phy_config 0x%08x  speed_cap_mask 0x%08x"
		       "  link_config 0x%08x\n",
Y
Yaniv Rosner 已提交
7401 7402 7403
		       bp->link_params.serdes_config,
		       bp->link_params.lane_config,
		       bp->link_params.ext_phy_config,
7404
		       bp->link_params.speed_cap_mask, bp->port.link_config);
E
Eliezer Tamir 已提交
7405

7406
	bp->link_params.switch_cfg = (bp->port.link_config &
Y
Yaniv Rosner 已提交
7407 7408
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419

	bnx2x_link_settings_requested(bp);

	val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
	val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
	bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
	bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
	bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
	bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
	bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
	bp->dev->dev_addr[5] = (u8)(val & 0xff);
Y
Yaniv Rosner 已提交
7420 7421
	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7422 7423 7424 7425 7426 7427 7428
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
	u32 val, val2;
	int rc = 0;
E
Eliezer Tamir 已提交
7429

7430
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
7431

7432 7433 7434 7435 7436
	bp->e1hov = 0;
	bp->e1hmf = 0;
	if (CHIP_IS_E1H(bp)) {
		bp->mf_config =
			SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
E
Eliezer Tamir 已提交
7437

7438 7439
		val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
		       FUNC_MF_CFG_E1HOV_TAG_MASK);
7440
		if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
E
Eliezer Tamir 已提交
7441

7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455
			bp->e1hov = val;
			bp->e1hmf = 1;
			BNX2X_DEV_INFO("MF mode  E1HOV for func %d is %d "
				       "(0x%04x)\n",
				       func, bp->e1hov, bp->e1hov);
		} else {
			BNX2X_DEV_INFO("Single function mode\n");
			if (BP_E1HVN(bp)) {
				BNX2X_ERR("!!!  No valid E1HOV for func %d,"
					  "  aborting\n", func);
				rc = -EPERM;
			}
		}
	}
E
Eliezer Tamir 已提交
7456

7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

		bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
			      DRV_MSG_SEQ_NUMBER_MASK);
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

	if (IS_E1HMF(bp)) {
		val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
		val = SHMEM_RD(bp,  mf_cfg.func_mf_config[func].mac_lower);
		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
			bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
			bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
			bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
			bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
			bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
			bp->dev->dev_addr[5] = (u8)(val & 0xff);
			memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
			       ETH_ALEN);
			memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
			       ETH_ALEN);
E
Eliezer Tamir 已提交
7480
		}
7481 7482

		return rc;
E
Eliezer Tamir 已提交
7483 7484
	}

7485 7486
	if (BP_NOMCP(bp)) {
		/* only supposed to happen on emulation/FPGA */
E
Eilon Greenstein 已提交
7487
		BNX2X_ERR("warning random MAC workaround active\n");
7488 7489 7490
		random_ether_addr(bp->dev->dev_addr);
		memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
	}
E
Eliezer Tamir 已提交
7491

7492 7493 7494 7495 7496 7497 7498 7499
	return rc;
}

static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);
	int rc;

7500 7501 7502
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);

7503
	mutex_init(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
7504

7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520
	INIT_WORK(&bp->sp_task, bnx2x_sp_task);
	INIT_WORK(&bp->reset_task, bnx2x_reset_task);

	rc = bnx2x_get_hwinfo(bp);

	/* need to reset chip if undi was active */
	if (!BP_NOMCP(bp))
		bnx2x_undi_unload(bp);

	if (CHIP_REV_IS_FPGA(bp))
		printk(KERN_ERR PFX "FPGA detected\n");

	if (BP_NOMCP(bp) && (func == 0))
		printk(KERN_ERR PFX
		       "MCP disabled, must load devices in order!\n");

7521 7522 7523 7524 7525 7526 7527 7528 7529 7530
	/* Set TPA flags */
	if (disable_tpa) {
		bp->flags &= ~TPA_ENABLE_FLAG;
		bp->dev->features &= ~NETIF_F_LRO;
	} else {
		bp->flags |= TPA_ENABLE_FLAG;
		bp->dev->features |= NETIF_F_LRO;
	}


7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548
	bp->tx_ring_size = MAX_TX_AVAIL;
	bp->rx_ring_size = MAX_RX_AVAIL;

	bp->rx_csum = 1;
	bp->rx_offset = 0;

	bp->tx_ticks = 50;
	bp->rx_ticks = 25;

	bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : bp->timer_interval);

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

	return rc;
E
Eliezer Tamir 已提交
7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560
}

/*
 * ethtool service functions
 */

/* All ethtool functions called with rtnl_lock */

static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);

7561 7562
	cmd->supported = bp->port.supported;
	cmd->advertising = bp->port.advertising;
E
Eliezer Tamir 已提交
7563 7564

	if (netif_carrier_ok(dev)) {
Y
Yaniv Rosner 已提交
7565 7566
		cmd->speed = bp->link_vars.line_speed;
		cmd->duplex = bp->link_vars.duplex;
E
Eliezer Tamir 已提交
7567
	} else {
Y
Yaniv Rosner 已提交
7568 7569
		cmd->speed = bp->link_params.req_line_speed;
		cmd->duplex = bp->link_params.req_duplex;
E
Eliezer Tamir 已提交
7570
	}
7571 7572 7573 7574 7575 7576 7577 7578
	if (IS_E1HMF(bp)) {
		u16 vn_max_rate;

		vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
		if (vn_max_rate < cmd->speed)
			cmd->speed = vn_max_rate;
	}
E
Eliezer Tamir 已提交
7579

Y
Yaniv Rosner 已提交
7580 7581 7582
	if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
		u32 ext_phy_type =
			XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
E
Eliezer Tamir 已提交
7583 7584 7585 7586 7587 7588

		switch (ext_phy_type) {
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Y
Yaniv Rosner 已提交
7589
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
E
Eliezer Tamir 已提交
7590 7591 7592 7593 7594 7595 7596
			cmd->port = PORT_FIBRE;
			break;

		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
			cmd->port = PORT_TP;
			break;

Y
Yaniv Rosner 已提交
7597 7598 7599 7600 7601
		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
			BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
				  bp->link_params.ext_phy_config);
			break;

E
Eliezer Tamir 已提交
7602 7603
		default:
			DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Y
Yaniv Rosner 已提交
7604 7605
			   bp->link_params.ext_phy_config);
			break;
E
Eliezer Tamir 已提交
7606 7607
		}
	} else
E
Eliezer Tamir 已提交
7608 7609
		cmd->port = PORT_TP;

7610
	cmd->phy_address = bp->port.phy_addr;
E
Eliezer Tamir 已提交
7611 7612
	cmd->transceiver = XCVR_INTERNAL;

Y
Yaniv Rosner 已提交
7613
	if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
E
Eliezer Tamir 已提交
7614
		cmd->autoneg = AUTONEG_ENABLE;
E
Eliezer Tamir 已提交
7615
	else
E
Eliezer Tamir 已提交
7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636
		cmd->autoneg = AUTONEG_DISABLE;

	cmd->maxtxpkt = 0;
	cmd->maxrxpkt = 0;

	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
	   DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
	   DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
	   cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

	return 0;
}

static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 advertising;

7637 7638 7639
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
7640 7641 7642 7643 7644 7645 7646 7647 7648
	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
	   DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %d\n"
	   DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
	   cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

	if (cmd->autoneg == AUTONEG_ENABLE) {
7649 7650
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
E
Eliezer Tamir 已提交
7651
			return -EINVAL;
E
Eliezer Tamir 已提交
7652
		}
E
Eliezer Tamir 已提交
7653 7654

		/* advertise the requested speed and duplex if supported */
7655
		cmd->advertising &= bp->port.supported;
E
Eliezer Tamir 已提交
7656

Y
Yaniv Rosner 已提交
7657 7658
		bp->link_params.req_line_speed = SPEED_AUTO_NEG;
		bp->link_params.req_duplex = DUPLEX_FULL;
7659 7660
		bp->port.advertising |= (ADVERTISED_Autoneg |
					 cmd->advertising);
E
Eliezer Tamir 已提交
7661 7662 7663 7664 7665 7666

	} else { /* forced speed */
		/* advertise the requested speed and duplex if supported */
		switch (cmd->speed) {
		case SPEED_10:
			if (cmd->duplex == DUPLEX_FULL) {
7667
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7668 7669 7670
				      SUPPORTED_10baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "10M full not supported\n");
E
Eliezer Tamir 已提交
7671
					return -EINVAL;
E
Eliezer Tamir 已提交
7672
				}
E
Eliezer Tamir 已提交
7673 7674 7675 7676

				advertising = (ADVERTISED_10baseT_Full |
					       ADVERTISED_TP);
			} else {
7677
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7678 7679 7680
				      SUPPORTED_10baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "10M half not supported\n");
E
Eliezer Tamir 已提交
7681
					return -EINVAL;
E
Eliezer Tamir 已提交
7682
				}
E
Eliezer Tamir 已提交
7683 7684 7685 7686 7687 7688 7689 7690

				advertising = (ADVERTISED_10baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_100:
			if (cmd->duplex == DUPLEX_FULL) {
7691
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7692 7693 7694
						SUPPORTED_100baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "100M full not supported\n");
E
Eliezer Tamir 已提交
7695
					return -EINVAL;
E
Eliezer Tamir 已提交
7696
				}
E
Eliezer Tamir 已提交
7697 7698 7699 7700

				advertising = (ADVERTISED_100baseT_Full |
					       ADVERTISED_TP);
			} else {
7701
				if (!(bp->port.supported &
E
Eliezer Tamir 已提交
7702 7703 7704
						SUPPORTED_100baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "100M half not supported\n");
E
Eliezer Tamir 已提交
7705
					return -EINVAL;
E
Eliezer Tamir 已提交
7706
				}
E
Eliezer Tamir 已提交
7707 7708 7709 7710 7711 7712 7713

				advertising = (ADVERTISED_100baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_1000:
E
Eliezer Tamir 已提交
7714 7715
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "1G half not supported\n");
E
Eliezer Tamir 已提交
7716
				return -EINVAL;
E
Eliezer Tamir 已提交
7717
			}
E
Eliezer Tamir 已提交
7718

7719
			if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
E
Eliezer Tamir 已提交
7720
				DP(NETIF_MSG_LINK, "1G full not supported\n");
E
Eliezer Tamir 已提交
7721
				return -EINVAL;
E
Eliezer Tamir 已提交
7722
			}
E
Eliezer Tamir 已提交
7723 7724 7725 7726 7727 7728

			advertising = (ADVERTISED_1000baseT_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_2500:
E
Eliezer Tamir 已提交
7729 7730 7731
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK,
				   "2.5G half not supported\n");
E
Eliezer Tamir 已提交
7732
				return -EINVAL;
E
Eliezer Tamir 已提交
7733
			}
E
Eliezer Tamir 已提交
7734

7735
			if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
E
Eliezer Tamir 已提交
7736 7737
				DP(NETIF_MSG_LINK,
				   "2.5G full not supported\n");
E
Eliezer Tamir 已提交
7738
				return -EINVAL;
E
Eliezer Tamir 已提交
7739
			}
E
Eliezer Tamir 已提交
7740

E
Eliezer Tamir 已提交
7741
			advertising = (ADVERTISED_2500baseX_Full |
E
Eliezer Tamir 已提交
7742 7743 7744 7745
				       ADVERTISED_TP);
			break;

		case SPEED_10000:
E
Eliezer Tamir 已提交
7746 7747
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "10G half not supported\n");
E
Eliezer Tamir 已提交
7748
				return -EINVAL;
E
Eliezer Tamir 已提交
7749
			}
E
Eliezer Tamir 已提交
7750

7751
			if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
E
Eliezer Tamir 已提交
7752
				DP(NETIF_MSG_LINK, "10G full not supported\n");
E
Eliezer Tamir 已提交
7753
				return -EINVAL;
E
Eliezer Tamir 已提交
7754
			}
E
Eliezer Tamir 已提交
7755 7756 7757 7758 7759 7760

			advertising = (ADVERTISED_10000baseT_Full |
				       ADVERTISED_FIBRE);
			break;

		default:
E
Eliezer Tamir 已提交
7761
			DP(NETIF_MSG_LINK, "Unsupported speed\n");
E
Eliezer Tamir 已提交
7762 7763 7764
			return -EINVAL;
		}

Y
Yaniv Rosner 已提交
7765 7766
		bp->link_params.req_line_speed = cmd->speed;
		bp->link_params.req_duplex = cmd->duplex;
7767
		bp->port.advertising = advertising;
E
Eliezer Tamir 已提交
7768 7769
	}

Y
Yaniv Rosner 已提交
7770
	DP(NETIF_MSG_LINK, "req_line_speed %d\n"
E
Eliezer Tamir 已提交
7771
	   DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
Y
Yaniv Rosner 已提交
7772
	   bp->link_params.req_line_speed, bp->link_params.req_duplex,
7773
	   bp->port.advertising);
E
Eliezer Tamir 已提交
7774

7775
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7776
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7777 7778
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7779 7780 7781 7782

	return 0;
}

Y
Yaniv Rosner 已提交
7783 7784
#define PHY_FW_VER_LEN			10

E
Eliezer Tamir 已提交
7785 7786 7787 7788
static void bnx2x_get_drvinfo(struct net_device *dev,
			      struct ethtool_drvinfo *info)
{
	struct bnx2x *bp = netdev_priv(dev);
E
Eilon Greenstein 已提交
7789
	u8 phy_fw_ver[PHY_FW_VER_LEN];
E
Eliezer Tamir 已提交
7790 7791 7792

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
Y
Yaniv Rosner 已提交
7793 7794

	phy_fw_ver[0] = '\0';
7795
	if (bp->port.pmf) {
Y
Yitchak Gertner 已提交
7796
		bnx2x_acquire_phy_lock(bp);
7797 7798 7799
		bnx2x_get_ext_phy_fw_version(&bp->link_params,
					     (bp->state != BNX2X_STATE_CLOSED),
					     phy_fw_ver, PHY_FW_VER_LEN);
Y
Yitchak Gertner 已提交
7800
		bnx2x_release_phy_lock(bp);
7801
	}
Y
Yaniv Rosner 已提交
7802

E
Eilon Greenstein 已提交
7803 7804 7805 7806 7807
	snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
		 (bp->common.bc_ver & 0xff0000) >> 16,
		 (bp->common.bc_ver & 0xff00) >> 8,
		 (bp->common.bc_ver & 0xff),
		 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
E
Eliezer Tamir 已提交
7808 7809 7810
	strcpy(info->bus_info, pci_name(bp->pdev));
	info->n_stats = BNX2X_NUM_STATS;
	info->testinfo_len = BNX2X_NUM_TESTS;
7811
	info->eedump_len = bp->common.flash_size;
E
Eliezer Tamir 已提交
7812 7813 7814 7815 7816 7817 7818 7819 7820 7821 7822 7823 7824 7825 7826 7827 7828 7829 7830 7831 7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843
	info->regdump_len = 0;
}

static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

	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 bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
7844
	} else
E
Eliezer Tamir 已提交
7845
		bp->wol = 0;
7846

E
Eliezer Tamir 已提交
7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857 7858 7859 7860 7861 7862 7863 7864 7865 7866 7867 7868
	return 0;
}

static u32 bnx2x_get_msglevel(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->msglevel;
}

static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (capable(CAP_NET_ADMIN))
		bp->msglevel = level;
}

static int bnx2x_nway_reset(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

7869 7870
	if (!bp->port.pmf)
		return 0;
E
Eliezer Tamir 已提交
7871

7872
	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
7873
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7874 7875
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
7876 7877 7878 7879 7880 7881 7882 7883

	return 0;
}

static int bnx2x_get_eeprom_len(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

7884
	return bp->common.flash_size;
E
Eliezer Tamir 已提交
7885 7886 7887 7888
}

static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
{
7889
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7890 7891 7892 7893 7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910
	int count, i;
	u32 val = 0;

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* request access to nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
			break;

		udelay(5);
	}

	if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7911
		DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
E
Eliezer Tamir 已提交
7912 7913 7914 7915 7916 7917 7918 7919
		return -EBUSY;
	}

	return 0;
}

static int bnx2x_release_nvram_lock(struct bnx2x *bp)
{
7920
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7921 7922 7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936 7937 7938 7939 7940 7941
	int count, i;
	u32 val = 0;

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* relinquish nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
			break;

		udelay(5);
	}

	if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7942
		DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
E
Eliezer Tamir 已提交
7943 7944 7945 7946 7947 7948 7949 7950 7951 7952 7953 7954 7955 7956 7957 7958 7959 7960 7961 7962 7963 7964 7965 7966 7967 7968 7969 7970 7971 7972 7973 7974 7975
		return -EBUSY;
	}

	return 0;
}

static void bnx2x_enable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* enable both bits, even on read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val | MCPR_NVM_ACCESS_ENABLE_EN |
		      MCPR_NVM_ACCESS_ENABLE_WR_EN));
}

static void bnx2x_disable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* disable both bits, even after read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
			MCPR_NVM_ACCESS_ENABLE_WR_EN)));
}

static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
				  u32 cmd_flags)
{
E
Eliezer Tamir 已提交
7976
	int count, i, rc;
E
Eliezer Tamir 已提交
7977 7978 7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999 8000 8001 8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012 8013 8014 8015 8016 8017 8018 8019 8020 8021 8022 8023 8024 8025 8026
	u32 val;

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* address of the NVRAM to read from */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue a read command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	*ret_val = 0;
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);

		if (val & MCPR_NVM_COMMAND_DONE) {
			val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
			/* we read nvram data in cpu order
			 * but ethtool sees it as an array of bytes
			 * converting to big-endian will do the work */
			val = cpu_to_be32(val);
			*ret_val = val;
			rc = 0;
			break;
		}
	}

	return rc;
}

static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
			    int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 val;

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8027
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
8028
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
8029 8030 8031 8032
		   offset, buf_size);
		return -EINVAL;
	}

8033 8034
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8035
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8036
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8037 8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050 8051 8052 8053 8054 8055 8056 8057 8058 8059 8060 8061 8062 8063 8064 8065 8066 8067 8068 8069 8070 8071 8072 8073 8074 8075 8076 8077 8078 8079
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	/* read the first word(s) */
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((buf_size > sizeof(u32)) && (rc == 0)) {
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);

		/* advance to the next dword */
		offset += sizeof(u32);
		ret_buf += sizeof(u32);
		buf_size -= sizeof(u32);
		cmd_flags = 0;
	}

	if (rc == 0) {
		cmd_flags |= MCPR_NVM_COMMAND_LAST;
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_get_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc;

8080
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
8081 8082 8083 8084 8085 8086 8087 8088 8089 8090 8091 8092 8093 8094
	   DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_get_eeprom */

	rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
				   u32 cmd_flags)
{
E
Eliezer Tamir 已提交
8095
	int count, i, rc;
E
Eliezer Tamir 已提交
8096 8097 8098 8099 8100 8101 8102 8103 8104 8105 8106 8107 8108 8109 8110 8111 8112 8113 8114 8115 8116 8117 8118 8119 8120 8121 8122 8123 8124 8125 8126 8127 8128 8129 8130 8131

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* write the data */
	REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);

	/* address of the NVRAM to write to */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue the write command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
	count = NVRAM_TIMEOUT_COUNT;
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
		if (val & MCPR_NVM_COMMAND_DONE) {
			rc = 0;
			break;
		}
	}

	return rc;
}

E
Eliezer Tamir 已提交
8132
#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
E
Eliezer Tamir 已提交
8133 8134 8135 8136 8137 8138 8139 8140 8141

static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
			      int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 align_offset;
	u32 val;

8142 8143
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8144
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8145
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160 8161 8162 8163 8164 8165 8166 8167 8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
	align_offset = (offset & ~0x03);
	rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);

	if (rc == 0) {
		val &= ~(0xff << BYTE_OFFSET(offset));
		val |= (*data_buf << BYTE_OFFSET(offset));

		/* nvram data is returned as an array of bytes
		 * convert it back to cpu order */
		val = be32_to_cpu(val);

		rc = bnx2x_nvram_write_dword(bp, align_offset, val,
					     cmd_flags);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
			     int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 val;
	u32 written_so_far;

8188
	if (buf_size == 1)	/* ethtool */
E
Eliezer Tamir 已提交
8189 8190 8191
		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8192
		DP(BNX2X_MSG_NVM,
E
Eliezer Tamir 已提交
8193
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
E
Eliezer Tamir 已提交
8194 8195 8196 8197
		   offset, buf_size);
		return -EINVAL;
	}

8198 8199
	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
E
Eliezer Tamir 已提交
8200
				  " buf_size (0x%x) > flash_size (0x%x)\n",
8201
		   offset, buf_size, bp->common.flash_size);
E
Eliezer Tamir 已提交
8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231 8232 8233 8234 8235 8236 8237 8238 8239 8240 8241 8242 8243 8244 8245 8246
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	written_so_far = 0;
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((written_so_far < buf_size) && (rc == 0)) {
		if (written_so_far == (buf_size - sizeof(u32)))
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
		else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
		else if ((offset % NVRAM_PAGE_SIZE) == 0)
			cmd_flags |= MCPR_NVM_COMMAND_FIRST;

		memcpy(&val, data_buf, 4);

		rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);

		/* advance to the next dword */
		offset += sizeof(u32);
		data_buf += sizeof(u32);
		written_so_far += sizeof(u32);
		cmd_flags = 0;
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_set_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc;

8247
	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
E
Eliezer Tamir 已提交
8248 8249 8250 8251 8252 8253
	   DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_set_eeprom */

Y
Yaniv Rosner 已提交
8254
	/* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8255 8256 8257
	if (eeprom->magic == 0x00504859)
		if (bp->port.pmf) {

Y
Yitchak Gertner 已提交
8258
			bnx2x_acquire_phy_lock(bp);
8259 8260 8261 8262
			rc = bnx2x_flash_download(bp, BP_PORT(bp),
					     bp->link_params.ext_phy_config,
					     (bp->state != BNX2X_STATE_CLOSED),
					     eebuf, eeprom->len);
Y
Yitchak Gertner 已提交
8263 8264
			if ((bp->state == BNX2X_STATE_OPEN) ||
			    (bp->state == BNX2X_STATE_DISABLED)) {
8265 8266 8267 8268
				rc |= bnx2x_link_reset(&bp->link_params,
						       &bp->link_vars);
				rc |= bnx2x_phy_init(&bp->link_params,
						     &bp->link_vars);
Y
Yitchak Gertner 已提交
8269
			}
Y
Yitchak Gertner 已提交
8270
			bnx2x_release_phy_lock(bp);
8271 8272 8273 8274

		} else /* Only the PMF can access the PHY */
			return -EINVAL;
	else
Y
Yaniv Rosner 已提交
8275
		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
E
Eliezer Tamir 已提交
8276 8277 8278 8279 8280 8281 8282 8283 8284 8285 8286 8287 8288 8289 8290 8291 8292 8293 8294 8295 8296 8297 8298 8299 8300 8301 8302 8303 8304 8305

	return rc;
}

static int bnx2x_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->tx_coalesce_usecs = bp->tx_ticks;

	return 0;
}

static int bnx2x_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 3000)
		bp->rx_ticks = 3000;

	bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
	if (bp->tx_ticks > 0x3000)
		bp->tx_ticks = 0x3000;

8306
	if (netif_running(dev))
E
Eliezer Tamir 已提交
8307 8308 8309 8310 8311 8312 8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332
		bnx2x_update_coalesce(bp);

	return 0;
}

static void bnx2x_get_ringparam(struct net_device *dev,
				struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);

	ering->rx_max_pending = MAX_RX_AVAIL;
	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_AVAIL;
	ering->tx_pending = bp->tx_ring_size;
}

static int bnx2x_set_ringparam(struct net_device *dev,
			       struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);
8333
	int rc = 0;
E
Eliezer Tamir 已提交
8334 8335 8336 8337 8338 8339 8340 8341 8342

	if ((ering->rx_pending > MAX_RX_AVAIL) ||
	    (ering->tx_pending > MAX_TX_AVAIL) ||
	    (ering->tx_pending <= MAX_SKB_FRAGS + 4))
		return -EINVAL;

	bp->rx_ring_size = ering->rx_pending;
	bp->tx_ring_size = ering->tx_pending;

8343 8344 8345
	if (netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
8346 8347
	}

8348
	return rc;
E
Eliezer Tamir 已提交
8349 8350 8351 8352 8353 8354 8355
}

static void bnx2x_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);

Y
Yaniv Rosner 已提交
8356 8357 8358 8359 8360 8361 8362
	epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
			  (bp->link_params.req_line_speed == SPEED_AUTO_NEG);

	epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
			    FLOW_CTRL_RX);
	epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
			    FLOW_CTRL_TX);
E
Eliezer Tamir 已提交
8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373

	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
	   DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
}

static int bnx2x_set_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);

8374 8375 8376
	if (IS_E1HMF(bp))
		return 0;

E
Eliezer Tamir 已提交
8377 8378 8379 8380
	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
	   DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);

Y
Yaniv Rosner 已提交
8381
	bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
E
Eliezer Tamir 已提交
8382

E
Eliezer Tamir 已提交
8383
	if (epause->rx_pause)
Y
Yaniv Rosner 已提交
8384 8385
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;

E
Eliezer Tamir 已提交
8386
	if (epause->tx_pause)
Y
Yaniv Rosner 已提交
8387 8388 8389 8390
		bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;

	if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
		bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
E
Eliezer Tamir 已提交
8391

Y
Yaniv Rosner 已提交
8392
	if (epause->autoneg) {
8393
		if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8394
			DP(NETIF_MSG_LINK, "autoneg not supported\n");
Y
Yaniv Rosner 已提交
8395 8396
			return -EINVAL;
		}
E
Eliezer Tamir 已提交
8397

Y
Yaniv Rosner 已提交
8398 8399 8400
		if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
			bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
	}
E
Eliezer Tamir 已提交
8401

Y
Yaniv Rosner 已提交
8402 8403
	DP(NETIF_MSG_LINK,
	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8404 8405

	if (netif_running(dev)) {
Y
Yitchak Gertner 已提交
8406
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8407 8408
		bnx2x_link_set(bp);
	}
E
Eliezer Tamir 已提交
8409 8410 8411 8412

	return 0;
}

8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440
static int bnx2x_set_flags(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
	int changed = 0;
	int rc = 0;

	/* TPA requires Rx CSUM offloading */
	if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
		if (!(dev->features & NETIF_F_LRO)) {
			dev->features |= NETIF_F_LRO;
			bp->flags |= TPA_ENABLE_FLAG;
			changed = 1;
		}

	} else if (dev->features & NETIF_F_LRO) {
		dev->features &= ~NETIF_F_LRO;
		bp->flags &= ~TPA_ENABLE_FLAG;
		changed = 1;
	}

	if (changed && netif_running(dev)) {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
	}

	return rc;
}

E
Eliezer Tamir 已提交
8441 8442 8443 8444 8445 8446 8447 8448 8449 8450
static u32 bnx2x_get_rx_csum(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->rx_csum;
}

static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
8451
	int rc = 0;
E
Eliezer Tamir 已提交
8452 8453

	bp->rx_csum = data;
8454 8455 8456 8457 8458 8459 8460 8461 8462 8463

	/* Disable TPA, when Rx CSUM is disabled. Otherwise all
	   TPA'ed packets will be discarded due to wrong TCP CSUM */
	if (!data) {
		u32 flags = ethtool_op_get_flags(dev);

		rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
	}

	return rc;
E
Eliezer Tamir 已提交
8464 8465 8466 8467
}

static int bnx2x_set_tso(struct net_device *dev, u32 data)
{
E
Eilon Greenstein 已提交
8468
	if (data) {
E
Eliezer Tamir 已提交
8469
		dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8470 8471
		dev->features |= NETIF_F_TSO6;
	} else {
E
Eliezer Tamir 已提交
8472
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
8473 8474 8475
		dev->features &= ~NETIF_F_TSO6;
	}

E
Eliezer Tamir 已提交
8476 8477 8478
	return 0;
}

Y
Yitchak Gertner 已提交
8479
static const struct {
E
Eliezer Tamir 已提交
8480 8481
	char string[ETH_GSTRING_LEN];
} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Y
Yitchak Gertner 已提交
8482 8483 8484 8485 8486 8487 8488 8489
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
	{ "idle check (online)" },
	{ "MC errors (online)" }
E
Eliezer Tamir 已提交
8490 8491 8492 8493 8494 8495 8496
};

static int bnx2x_self_test_count(struct net_device *dev)
{
	return BNX2X_NUM_TESTS;
}

Y
Yitchak Gertner 已提交
8497 8498 8499 8500
static int bnx2x_test_registers(struct bnx2x *bp)
{
	int idx, i, rc = -ENODEV;
	u32 wr_val = 0;
8501
	int port = BP_PORT(bp);
Y
Yitchak Gertner 已提交
8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580 8581 8582 8583 8584 8585 8586 8587 8588 8589 8590 8591 8592 8593 8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611
	static const struct {
		u32  offset0;
		u32  offset1;
		u32  mask;
	} reg_tbl[] = {
/* 0 */		{ BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
		{ DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
		{ HC_REG_AGG_INT_0,                    4, 0x000003ff },
		{ PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
		{ PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
		{ PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
		{ PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
		{ PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
		{ PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
		{ PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
/* 10 */	{ PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
		{ QM_REG_CONNNUM_0,                    4, 0x000fffff },
		{ TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
		{ SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
		{ SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
		{ XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
		{ XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
		{ XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
		{ NIG_REG_EGRESS_MNG0_FIFO,           20, 0xffffffff },
		{ NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
/* 20 */	{ NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
		{ NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
		{ NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
		{ NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
		{ NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
		{ NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
		{ NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
		{ NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
		{ NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
		{ NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
/* 30 */	{ NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
		{ NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
		{ NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
		{ NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
		{ NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
		{ NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
		{ NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
		{ NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },

		{ 0xffffffff, 0, 0x00000000 }
	};

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

	/* Repeat the test twice:
	   First by writing 0x00000000, second by writing 0xffffffff */
	for (idx = 0; idx < 2; idx++) {

		switch (idx) {
		case 0:
			wr_val = 0;
			break;
		case 1:
			wr_val = 0xffffffff;
			break;
		}

		for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
			u32 offset, mask, save_val, val;

			offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
			mask = reg_tbl[i].mask;

			save_val = REG_RD(bp, offset);

			REG_WR(bp, offset, wr_val);
			val = REG_RD(bp, offset);

			/* Restore the original register's value */
			REG_WR(bp, offset, save_val);

			/* verify that value is as expected value */
			if ((val & mask) != (wr_val & mask))
				goto test_reg_exit;
		}
	}

	rc = 0;

test_reg_exit:
	return rc;
}

static int bnx2x_test_memory(struct bnx2x *bp)
{
	int i, j, rc = -ENODEV;
	u32 val;
	static const struct {
		u32 offset;
		int size;
	} mem_tbl[] = {
		{ CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
		{ CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
		{ CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
		{ DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
		{ TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
		{ UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
		{ XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },

		{ 0xffffffff, 0 }
	};
	static const struct {
		char *name;
		u32 offset;
8612 8613
		u32 e1_mask;
		u32 e1h_mask;
Y
Yitchak Gertner 已提交
8614
	} prty_tbl[] = {
8615 8616 8617 8618 8619 8620 8621 8622
		{ "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0 },
		{ "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2 },
		{ "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0 },
		{ "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0 },
		{ "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0 },
		{ "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0 },

		{ NULL, 0xffffffff, 0, 0 }
Y
Yitchak Gertner 已提交
8623 8624 8625 8626 8627 8628 8629 8630 8631 8632 8633 8634 8635
	};

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

	/* Go through all the memories */
	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
		for (j = 0; j < mem_tbl[i].size; j++)
			REG_RD(bp, mem_tbl[i].offset + j*4);

	/* Check the parity status */
	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
		val = REG_RD(bp, prty_tbl[i].offset);
8636 8637
		if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
		    (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Y
Yitchak Gertner 已提交
8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677 8678
			DP(NETIF_MSG_HW,
			   "%s is 0x%x\n", prty_tbl[i].name, val);
			goto test_mem_exit;
		}
	}

	rc = 0;

test_mem_exit:
	return rc;
}

static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
{
	int cnt = 1000;

	if (link_up)
		while (bnx2x_link_test(bp) && cnt--)
			msleep(10);
}

static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb;
	unsigned char *packet;
	struct bnx2x_fastpath *fp = &bp->fp[0];
	u16 tx_start_idx, tx_idx;
	u16 rx_start_idx, rx_idx;
	u16 pkt_prod;
	struct sw_tx_bd *tx_buf;
	struct eth_tx_bd *tx_bd;
	dma_addr_t mapping;
	union eth_rx_cqe *cqe;
	u8 cqe_fp_flags;
	struct sw_rx_bd *rx_buf;
	u16 len;
	int rc = -ENODEV;

	if (loopback_mode == BNX2X_MAC_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_BMAC;
Y
Yitchak Gertner 已提交
8679
		bnx2x_acquire_phy_lock(bp);
Y
Yitchak Gertner 已提交
8680
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8681
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8682 8683 8684

	} else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
		bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Y
Yitchak Gertner 已提交
8685
		bnx2x_acquire_phy_lock(bp);
Y
Yitchak Gertner 已提交
8686
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
8687
		bnx2x_release_phy_lock(bp);
Y
Yitchak Gertner 已提交
8688 8689 8690 8691 8692 8693 8694 8695 8696 8697 8698 8699 8700 8701 8702 8703 8704 8705 8706 8707 8708 8709 8710 8711 8712 8713 8714 8715 8716 8717 8718 8719 8720 8721 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740 8741 8742 8743 8744 8745 8746 8747 8748 8749 8750 8751 8752 8753 8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);

	} else
		return -EINVAL;

	pkt_size = 1514;
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
	if (!skb) {
		rc = -ENOMEM;
		goto test_loopback_exit;
	}
	packet = skb_put(skb, pkt_size);
	memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
	memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
	for (i = ETH_HLEN; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

	num_pkts = 0;
	tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
	rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);

	pkt_prod = fp->tx_pkt_prod++;
	tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
	tx_buf->first_bd = fp->tx_bd_prod;
	tx_buf->skb = skb;

	tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
	mapping = pci_map_single(bp->pdev, skb->data,
				 skb_headlen(skb), PCI_DMA_TODEVICE);
	tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	tx_bd->nbd = cpu_to_le16(1);
	tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
	tx_bd->vlan = cpu_to_le16(pkt_prod);
	tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
				       ETH_TX_BD_FLAGS_END_BD);
	tx_bd->general_data = ((UNICAST_ADDRESS <<
				ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);

	fp->hw_tx_prods->bds_prod =
		cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
	mb(); /* FW restriction: must not reorder writing nbd and packets */
	fp->hw_tx_prods->packets_prod =
		cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
	DOORBELL(bp, FP_IDX(fp), 0);

	mmiowb();

	num_pkts++;
	fp->tx_bd_prod++;
	bp->dev->trans_start = jiffies;

	udelay(100);

	tx_idx = le16_to_cpu(*fp->tx_cons_sb);
	if (tx_idx != tx_start_idx + num_pkts)
		goto test_loopback_exit;

	rx_idx = le16_to_cpu(*fp->rx_cons_sb);
	if (rx_idx != rx_start_idx + num_pkts)
		goto test_loopback_exit;

	cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
	cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
	if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
		goto test_loopback_rx_exit;

	len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
	if (len != pkt_size)
		goto test_loopback_rx_exit;

	rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
	skb = rx_buf->skb;
	skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
	for (i = ETH_HLEN; i < pkt_size; i++)
		if (*(skb->data + i) != (unsigned char) (i & 0xff))
			goto test_loopback_rx_exit;

	rc = 0;

test_loopback_rx_exit:

	fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
	fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
	fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
	fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);

	/* Update producers */
	bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
			     fp->rx_sge_prod);
	mmiowb(); /* keep prod updates ordered */

test_loopback_exit:
	bp->link_params.loopback_mode = LOOPBACK_NONE;

	return rc;
}

static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
{
	int rc = 0;

	if (!netif_running(bp->dev))
		return BNX2X_LOOPBACK_FAILED;

Y
Yitchak Gertner 已提交
8794
	bnx2x_netif_stop(bp, 1);
Y
Yitchak Gertner 已提交
8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897 8898 8899

	if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
		DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
		rc |= BNX2X_MAC_LOOPBACK_FAILED;
	}

	if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
		DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
		rc |= BNX2X_PHY_LOOPBACK_FAILED;
	}

	bnx2x_netif_start(bp);

	return rc;
}

#define CRC32_RESIDUAL			0xdebb20e3

static int bnx2x_test_nvram(struct bnx2x *bp)
{
	static const struct {
		int offset;
		int size;
	} nvram_tbl[] = {
		{     0,  0x14 }, /* bootstrap */
		{  0x14,  0xec }, /* dir */
		{ 0x100, 0x350 }, /* manuf_info */
		{ 0x450,  0xf0 }, /* feature_info */
		{ 0x640,  0x64 }, /* upgrade_key_info */
		{ 0x6a4,  0x64 },
		{ 0x708,  0x70 }, /* manuf_key_info */
		{ 0x778,  0x70 },
		{     0,     0 }
	};
	u32 buf[0x350 / 4];
	u8 *data = (u8 *)buf;
	int i, rc;
	u32 magic, csum;

	rc = bnx2x_nvram_read(bp, 0, data, 4);
	if (rc) {
		DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
		goto test_nvram_exit;
	}

	magic = be32_to_cpu(buf[0]);
	if (magic != 0x669955aa) {
		DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
		rc = -ENODEV;
		goto test_nvram_exit;
	}

	for (i = 0; nvram_tbl[i].size; i++) {

		rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
				      nvram_tbl[i].size);
		if (rc) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
			goto test_nvram_exit;
		}

		csum = ether_crc_le(nvram_tbl[i].size, data);
		if (csum != CRC32_RESIDUAL) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
			rc = -ENODEV;
			goto test_nvram_exit;
		}
	}

test_nvram_exit:
	return rc;
}

static int bnx2x_test_intr(struct bnx2x *bp)
{
	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
	int i, rc;

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

	config->hdr.length_6b = 0;
	config->hdr.offset = 0;
	config->hdr.client_id = BP_CL_ID(bp);
	config->hdr.reserved1 = 0;

	rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
			   U64_HI(bnx2x_sp_mapping(bp, mac_config)),
			   U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
	if (rc == 0) {
		bp->set_mac_pending++;
		for (i = 0; i < 10; i++) {
			if (!bp->set_mac_pending)
				break;
			msleep_interruptible(10);
		}
		if (i == 10)
			rc = -ENODEV;
	}

	return rc;
}

E
Eliezer Tamir 已提交
8900 8901 8902 8903 8904 8905 8906
static void bnx2x_self_test(struct net_device *dev,
			    struct ethtool_test *etest, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);

Y
Yitchak Gertner 已提交
8907
	if (!netif_running(dev))
E
Eliezer Tamir 已提交
8908 8909
		return;

E
Eilon Greenstein 已提交
8910
	/* offline tests are not supported in MF mode */
Y
Yitchak Gertner 已提交
8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933
	if (IS_E1HMF(bp))
		etest->flags &= ~ETH_TEST_FL_OFFLINE;

	if (etest->flags & ETH_TEST_FL_OFFLINE) {
		u8 link_up;

		link_up = bp->link_vars.link_up;
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_DIAG);
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);

		if (bnx2x_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2x_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		buf[2] = bnx2x_test_loopback(bp, link_up);
		if (buf[2] != 0)
			etest->flags |= ETH_TEST_FL_FAILED;
E
Eliezer Tamir 已提交
8934

Y
Yitchak Gertner 已提交
8935 8936 8937 8938 8939 8940 8941
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_NORMAL);
		/* wait until link state is restored */
		bnx2x_wait_for_link(bp, link_up);
	}
	if (bnx2x_test_nvram(bp) != 0) {
		buf[3] = 1;
E
Eliezer Tamir 已提交
8942 8943
		etest->flags |= ETH_TEST_FL_FAILED;
	}
Y
Yitchak Gertner 已提交
8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956 8957 8958 8959
	if (bnx2x_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bp->port.pmf)
		if (bnx2x_link_test(bp) != 0) {
			buf[5] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
	buf[7] = bnx2x_mc_assert(bp);
	if (buf[7] != 0)
		etest->flags |= ETH_TEST_FL_FAILED;

#ifdef BNX2X_EXTRA_DEBUG
	bnx2x_panic_dump(bp);
#endif
E
Eliezer Tamir 已提交
8960 8961
}

Y
Yitchak Gertner 已提交
8962 8963 8964 8965
static const struct {
	long offset;
	int size;
	u32 flags;
Y
Yitchak Gertner 已提交
8966 8967 8968
#define STATS_FLAGS_PORT		1
#define STATS_FLAGS_FUNC		2
	u8 string[ETH_GSTRING_LEN];
Y
Yitchak Gertner 已提交
8969
} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Y
Yitchak Gertner 已提交
8970 8971 8972 8973 8974 8975 8976 8977
/* 1 */	{ STATS_OFFSET32(valid_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_bytes" },
	{ STATS_OFFSET32(error_bytes_received_hi),
				8, STATS_FLAGS_FUNC, "rx_error_bytes" },
	{ STATS_OFFSET32(total_bytes_transmitted_hi),
				8, STATS_FLAGS_FUNC, "tx_bytes" },
	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
				8, STATS_FLAGS_PORT, "tx_error_bytes" },
Y
Yitchak Gertner 已提交
8978
	{ STATS_OFFSET32(total_unicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8979
				8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Y
Yitchak Gertner 已提交
8980
	{ STATS_OFFSET32(total_multicast_packets_received_hi),
Y
Yitchak Gertner 已提交
8981
				8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Y
Yitchak Gertner 已提交
8982
	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
Y
Yitchak Gertner 已提交
8983
				8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Y
Yitchak Gertner 已提交
8984
	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Y
Yitchak Gertner 已提交
8985
				8, STATS_FLAGS_FUNC, "tx_packets" },
Y
Yitchak Gertner 已提交
8986
	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Y
Yitchak Gertner 已提交
8987
				8, STATS_FLAGS_PORT, "tx_mac_errors" },
Y
Yitchak Gertner 已提交
8988
/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Y
Yitchak Gertner 已提交
8989
				8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Y
Yitchak Gertner 已提交
8990
	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Y
Yitchak Gertner 已提交
8991
				8, STATS_FLAGS_PORT, "rx_crc_errors" },
Y
Yitchak Gertner 已提交
8992
	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Y
Yitchak Gertner 已提交
8993
				8, STATS_FLAGS_PORT, "rx_align_errors" },
Y
Yitchak Gertner 已提交
8994
	{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Y
Yitchak Gertner 已提交
8995
				8, STATS_FLAGS_PORT, "tx_single_collisions" },
Y
Yitchak Gertner 已提交
8996
	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Y
Yitchak Gertner 已提交
8997
				8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Y
Yitchak Gertner 已提交
8998
	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Y
Yitchak Gertner 已提交
8999
				8, STATS_FLAGS_PORT, "tx_deferred" },
Y
Yitchak Gertner 已提交
9000
	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Y
Yitchak Gertner 已提交
9001
				8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Y
Yitchak Gertner 已提交
9002
	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Y
Yitchak Gertner 已提交
9003
				8, STATS_FLAGS_PORT, "tx_late_collisions" },
Y
Yitchak Gertner 已提交
9004
	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Y
Yitchak Gertner 已提交
9005
				8, STATS_FLAGS_PORT, "tx_total_collisions" },
Y
Yitchak Gertner 已提交
9006
	{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Y
Yitchak Gertner 已提交
9007 9008 9009
				8, STATS_FLAGS_PORT, "rx_fragments" },
/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
				8, STATS_FLAGS_PORT, "rx_jabbers" },
Y
Yitchak Gertner 已提交
9010
	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Y
Yitchak Gertner 已提交
9011
				8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Y
Yitchak Gertner 已提交
9012
	{ STATS_OFFSET32(jabber_packets_received),
Y
Yitchak Gertner 已提交
9013
				4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Y
Yitchak Gertner 已提交
9014
	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Y
Yitchak Gertner 已提交
9015
				8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Y
Yitchak Gertner 已提交
9016
	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Y
Yitchak Gertner 已提交
9017
			8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Y
Yitchak Gertner 已提交
9018
	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Y
Yitchak Gertner 已提交
9019
			8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Y
Yitchak Gertner 已提交
9020
	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Y
Yitchak Gertner 已提交
9021
			8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Y
Yitchak Gertner 已提交
9022
	{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Y
Yitchak Gertner 已提交
9023
			8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Y
Yitchak Gertner 已提交
9024
	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Y
Yitchak Gertner 已提交
9025
			8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Y
Yitchak Gertner 已提交
9026
	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
Y
Yitchak Gertner 已提交
9027
			8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Y
Yitchak Gertner 已提交
9028
/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
9029
				8, STATS_FLAGS_PORT, "rx_xon_frames" },
Y
Yitchak Gertner 已提交
9030
	{ STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Y
Yitchak Gertner 已提交
9031 9032 9033 9034 9035
				8, STATS_FLAGS_PORT, "rx_xoff_frames" },
	{ STATS_OFFSET32(tx_stat_outxonsent_hi),
				8, STATS_FLAGS_PORT, "tx_xon_frames" },
	{ STATS_OFFSET32(tx_stat_outxoffsent_hi),
				8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Y
Yitchak Gertner 已提交
9036
	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Y
Yitchak Gertner 已提交
9037 9038 9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053
				8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
	{ STATS_OFFSET32(mac_filter_discard),
				4, STATS_FLAGS_PORT, "rx_filtered_packets" },
	{ STATS_OFFSET32(no_buff_discard),
				4, STATS_FLAGS_FUNC, "rx_discards" },
	{ STATS_OFFSET32(xxoverflow_discard),
				4, STATS_FLAGS_PORT, "rx_fw_discards" },
	{ STATS_OFFSET32(brb_drop_hi),
				8, STATS_FLAGS_PORT, "brb_discard" },
	{ STATS_OFFSET32(brb_truncate_hi),
				8, STATS_FLAGS_PORT, "brb_truncate" },
/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
				4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
	{ STATS_OFFSET32(rx_skb_alloc_failed),
				4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
/* 42 */{ STATS_OFFSET32(hw_csum_err),
				4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
E
Eliezer Tamir 已提交
9054 9055
};

Y
Yitchak Gertner 已提交
9056 9057 9058
#define IS_NOT_E1HMF_STAT(bp, i) \
		(IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))

E
Eliezer Tamir 已提交
9059 9060
static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
Y
Yitchak Gertner 已提交
9061 9062 9063
	struct bnx2x *bp = netdev_priv(dev);
	int i, j;

E
Eliezer Tamir 已提交
9064 9065
	switch (stringset) {
	case ETH_SS_STATS:
Y
Yitchak Gertner 已提交
9066
		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9067
			if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9068 9069 9070 9071 9072
				continue;
			strcpy(buf + j*ETH_GSTRING_LEN,
			       bnx2x_stats_arr[i].string);
			j++;
		}
E
Eliezer Tamir 已提交
9073 9074 9075 9076 9077 9078 9079 9080 9081 9082
		break;

	case ETH_SS_TEST:
		memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
		break;
	}
}

static int bnx2x_get_stats_count(struct net_device *dev)
{
Y
Yitchak Gertner 已提交
9083 9084 9085 9086
	struct bnx2x *bp = netdev_priv(dev);
	int i, num_stats = 0;

	for (i = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9087
		if (IS_NOT_E1HMF_STAT(bp, i))
Y
Yitchak Gertner 已提交
9088 9089 9090 9091
			continue;
		num_stats++;
	}
	return num_stats;
E
Eliezer Tamir 已提交
9092 9093 9094 9095 9096 9097
}

static void bnx2x_get_ethtool_stats(struct net_device *dev,
				    struct ethtool_stats *stats, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);
Y
Yitchak Gertner 已提交
9098 9099
	u32 *hw_stats = (u32 *)&bp->eth_stats;
	int i, j;
E
Eliezer Tamir 已提交
9100

Y
Yitchak Gertner 已提交
9101
	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Y
Yitchak Gertner 已提交
9102
		if (IS_NOT_E1HMF_STAT(bp, i))
E
Eliezer Tamir 已提交
9103
			continue;
Y
Yitchak Gertner 已提交
9104 9105 9106 9107 9108

		if (bnx2x_stats_arr[i].size == 0) {
			/* skip this counter */
			buf[j] = 0;
			j++;
E
Eliezer Tamir 已提交
9109 9110
			continue;
		}
Y
Yitchak Gertner 已提交
9111
		if (bnx2x_stats_arr[i].size == 4) {
E
Eliezer Tamir 已提交
9112
			/* 4-byte counter */
Y
Yitchak Gertner 已提交
9113 9114
			buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
			j++;
E
Eliezer Tamir 已提交
9115 9116 9117
			continue;
		}
		/* 8-byte counter */
Y
Yitchak Gertner 已提交
9118 9119 9120
		buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
				  *(hw_stats + bnx2x_stats_arr[i].offset + 1));
		j++;
E
Eliezer Tamir 已提交
9121 9122 9123 9124 9125 9126
	}
}

static int bnx2x_phys_id(struct net_device *dev, u32 data)
{
	struct bnx2x *bp = netdev_priv(dev);
9127
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
9128 9129
	int i;

9130 9131 9132 9133 9134 9135
	if (!netif_running(dev))
		return 0;

	if (!bp->port.pmf)
		return 0;

E
Eliezer Tamir 已提交
9136 9137 9138 9139
	if (data == 0)
		data = 2;

	for (i = 0; i < (data * 2); i++) {
Y
Yaniv Rosner 已提交
9140
		if ((i % 2) == 0)
9141
			bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Y
Yaniv Rosner 已提交
9142 9143 9144
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);
		else
9145
			bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Y
Yaniv Rosner 已提交
9146 9147 9148
				      bp->link_params.hw_led_mode,
				      bp->link_params.chip_id);

E
Eliezer Tamir 已提交
9149 9150 9151 9152 9153
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}

Y
Yaniv Rosner 已提交
9154
	if (bp->link_vars.link_up)
9155
		bnx2x_set_led(bp, port, LED_MODE_OPER,
Y
Yaniv Rosner 已提交
9156 9157 9158
			      bp->link_vars.line_speed,
			      bp->link_params.hw_led_mode,
			      bp->link_params.chip_id);
E
Eliezer Tamir 已提交
9159 9160 9161 9162 9163

	return 0;
}

static struct ethtool_ops bnx2x_ethtool_ops = {
9164 9165 9166
	.get_settings		= bnx2x_get_settings,
	.set_settings		= bnx2x_set_settings,
	.get_drvinfo		= bnx2x_get_drvinfo,
E
Eliezer Tamir 已提交
9167 9168
	.get_wol		= bnx2x_get_wol,
	.set_wol		= bnx2x_set_wol,
9169 9170 9171 9172 9173 9174 9175 9176 9177 9178 9179 9180 9181 9182 9183 9184
	.get_msglevel		= bnx2x_get_msglevel,
	.set_msglevel		= bnx2x_set_msglevel,
	.nway_reset		= bnx2x_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_eeprom_len		= bnx2x_get_eeprom_len,
	.get_eeprom		= bnx2x_get_eeprom,
	.set_eeprom		= bnx2x_set_eeprom,
	.get_coalesce		= bnx2x_get_coalesce,
	.set_coalesce		= bnx2x_set_coalesce,
	.get_ringparam		= bnx2x_get_ringparam,
	.set_ringparam		= bnx2x_set_ringparam,
	.get_pauseparam		= bnx2x_get_pauseparam,
	.set_pauseparam		= bnx2x_set_pauseparam,
	.get_rx_csum		= bnx2x_get_rx_csum,
	.set_rx_csum		= bnx2x_set_rx_csum,
	.get_tx_csum		= ethtool_op_get_tx_csum,
E
Eilon Greenstein 已提交
9185
	.set_tx_csum		= ethtool_op_set_tx_hw_csum,
9186 9187 9188 9189
	.set_flags		= bnx2x_set_flags,
	.get_flags		= ethtool_op_get_flags,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
E
Eliezer Tamir 已提交
9190 9191 9192
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= bnx2x_set_tso,
	.self_test_count	= bnx2x_self_test_count,
9193 9194
	.self_test		= bnx2x_self_test,
	.get_strings		= bnx2x_get_strings,
E
Eliezer Tamir 已提交
9195 9196
	.phys_id		= bnx2x_phys_id,
	.get_stats_count	= bnx2x_get_stats_count,
Y
Yitchak Gertner 已提交
9197
	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
E
Eliezer Tamir 已提交
9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 9212 9213
};

/* end of ethtool_ops */

/****************************************************************************
* General service functions
****************************************************************************/

static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
{
	u16 pmcsr;

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

	switch (state) {
	case PCI_D0:
9214
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
E
Eliezer Tamir 已提交
9215 9216 9217 9218
				      ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
				       PCI_PM_CTRL_PME_STATUS));

		if (pmcsr & PCI_PM_CTRL_STATE_MASK)
E
Eilon Greenstein 已提交
9219
			/* delay required during transition out of D3hot */
E
Eliezer Tamir 已提交
9220
			msleep(20);
9221
		break;
E
Eliezer Tamir 已提交
9222

9223 9224 9225
	case PCI_D3hot:
		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		pmcsr |= 3;
E
Eliezer Tamir 已提交
9226

9227 9228
		if (bp->wol)
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
E
Eliezer Tamir 已提交
9229

9230 9231
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);
E
Eliezer Tamir 已提交
9232

9233 9234 9235 9236 9237 9238 9239 9240 9241
		/* No more memory access after this point until
		* device is brought back to D0.
		*/
		break;

	default:
		return -EINVAL;
	}
	return 0;
E
Eliezer Tamir 已提交
9242 9243
}

9244 9245 9246 9247
/*
 * net_device service functions
 */

E
Eliezer Tamir 已提交
9248 9249 9250 9251 9252 9253
static int bnx2x_poll(struct napi_struct *napi, int budget)
{
	struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
						 napi);
	struct bnx2x *bp = fp->bp;
	int work_done = 0;
E
Eilon Greenstein 已提交
9254
	u16 rx_cons_sb;
E
Eliezer Tamir 已提交
9255 9256 9257

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
9258
		goto poll_panic;
E
Eliezer Tamir 已提交
9259 9260 9261 9262 9263 9264 9265 9266
#endif

	prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
	prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
	prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);

	bnx2x_update_fpsb_idx(fp);

9267
	if (BNX2X_HAS_TX_WORK(fp))
E
Eliezer Tamir 已提交
9268 9269
		bnx2x_tx_int(fp, budget);

E
Eilon Greenstein 已提交
9270 9271 9272
	rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
	if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		rx_cons_sb++;
9273
	if (BNX2X_HAS_RX_WORK(fp))
E
Eliezer Tamir 已提交
9274 9275
		work_done = bnx2x_rx_int(fp, budget);

9276
	rmb(); /* BNX2X_HAS_WORK() reads the status block */
E
Eilon Greenstein 已提交
9277 9278 9279
	rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
	if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
		rx_cons_sb++;
E
Eliezer Tamir 已提交
9280 9281

	/* must not complete if we consumed full budget */
9282
	if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
E
Eliezer Tamir 已提交
9283 9284

#ifdef BNX2X_STOP_ON_ERROR
9285
poll_panic:
E
Eliezer Tamir 已提交
9286 9287 9288
#endif
		netif_rx_complete(bp->dev, napi);

9289
		bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
E
Eliezer Tamir 已提交
9290
			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9291
		bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
E
Eliezer Tamir 已提交
9292 9293 9294 9295 9296
			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
	}
	return work_done;
}

E
Eilon Greenstein 已提交
9297 9298

/* we split the first BD into headers and data BDs
E
Eilon Greenstein 已提交
9299
 * to ease the pain of our fellow microcode engineers
E
Eilon Greenstein 已提交
9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357 9358 9359 9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375 9376 9377 9378 9379 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 9390 9391 9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405
 * we use one mapping for both BDs
 * So far this has only been observed to happen
 * in Other Operating Systems(TM)
 */
static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
				   struct bnx2x_fastpath *fp,
				   struct eth_tx_bd **tx_bd, u16 hlen,
				   u16 bd_prod, int nbd)
{
	struct eth_tx_bd *h_tx_bd = *tx_bd;
	struct eth_tx_bd *d_tx_bd;
	dma_addr_t mapping;
	int old_len = le16_to_cpu(h_tx_bd->nbytes);

	/* first fix first BD */
	h_tx_bd->nbd = cpu_to_le16(nbd);
	h_tx_bd->nbytes = cpu_to_le16(hlen);

	DP(NETIF_MSG_TX_QUEUED,	"TSO split header size is %d "
	   "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
	   h_tx_bd->addr_lo, h_tx_bd->nbd);

	/* now get a new data BD
	 * (after the pbd) and fill it */
	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
	d_tx_bd = &fp->tx_desc_ring[bd_prod];

	mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
			   le32_to_cpu(h_tx_bd->addr_lo)) + hlen;

	d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
	d_tx_bd->vlan = 0;
	/* this marks the BD as one that has no individual mapping
	 * the FW ignores this flag in a BD not marked start
	 */
	d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
	DP(NETIF_MSG_TX_QUEUED,
	   "TSO split data size is %d (%x:%x)\n",
	   d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);

	/* update tx_bd for marking the last BD flag */
	*tx_bd = d_tx_bd;

	return bd_prod;
}

static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
{
	if (fix > 0)
		csum = (u16) ~csum_fold(csum_sub(csum,
				csum_partial(t_header - fix, fix, 0)));

	else if (fix < 0)
		csum = (u16) ~csum_fold(csum_add(csum,
				csum_partial(t_header, -fix, 0)));

	return swab16(csum);
}

static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
{
	u32 rc;

	if (skb->ip_summed != CHECKSUM_PARTIAL)
		rc = XMIT_PLAIN;

	else {
		if (skb->protocol == ntohs(ETH_P_IPV6)) {
			rc = XMIT_CSUM_V6;
			if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
				rc |= XMIT_CSUM_TCP;

		} else {
			rc = XMIT_CSUM_V4;
			if (ip_hdr(skb)->protocol == IPPROTO_TCP)
				rc |= XMIT_CSUM_TCP;
		}
	}

	if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
		rc |= XMIT_GSO_V4;

	else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
		rc |= XMIT_GSO_V6;

	return rc;
}

/* check if packet requires linearization (packet is too fragmented) */
static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
			     u32 xmit_type)
{
	int to_copy = 0;
	int hlen = 0;
	int first_bd_sz = 0;

	/* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
	if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {

		if (xmit_type & XMIT_GSO) {
			unsigned short lso_mss = skb_shinfo(skb)->gso_size;
			/* Check if LSO packet needs to be copied:
			   3 = 1 (for headers BD) + 2 (for PBD and last BD) */
			int wnd_size = MAX_FETCH_BD - 3;
E
Eilon Greenstein 已提交
9406
			/* Number of windows to check */
E
Eilon Greenstein 已提交
9407 9408 9409 9410 9411 9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435 9436 9437 9438 9439 9440 9441 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457 9458 9459 9460 9461 9462 9463 9464 9465 9466 9467 9468
			int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
			int wnd_idx = 0;
			int frag_idx = 0;
			u32 wnd_sum = 0;

			/* Headers length */
			hlen = (int)(skb_transport_header(skb) - skb->data) +
				tcp_hdrlen(skb);

			/* Amount of data (w/o headers) on linear part of SKB*/
			first_bd_sz = skb_headlen(skb) - hlen;

			wnd_sum  = first_bd_sz;

			/* Calculate the first sum - it's special */
			for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
				wnd_sum +=
					skb_shinfo(skb)->frags[frag_idx].size;

			/* If there was data on linear skb data - check it */
			if (first_bd_sz > 0) {
				if (unlikely(wnd_sum < lso_mss)) {
					to_copy = 1;
					goto exit_lbl;
				}

				wnd_sum -= first_bd_sz;
			}

			/* Others are easier: run through the frag list and
			   check all windows */
			for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
				wnd_sum +=
			  skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;

				if (unlikely(wnd_sum < lso_mss)) {
					to_copy = 1;
					break;
				}
				wnd_sum -=
					skb_shinfo(skb)->frags[wnd_idx].size;
			}

		} else {
			/* in non-LSO too fragmented packet should always
			   be linearized */
			to_copy = 1;
		}
	}

exit_lbl:
	if (unlikely(to_copy))
		DP(NETIF_MSG_TX_QUEUED,
		   "Linearization IS REQUIRED for %s packet. "
		   "num_frags %d  hlen %d  first_bd_sz %d\n",
		   (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
		   skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);

	return to_copy;
}

/* called with netif_tx_lock
E
Eliezer Tamir 已提交
9469
 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
E
Eilon Greenstein 已提交
9470
 * netif_wake_queue()
E
Eliezer Tamir 已提交
9471 9472 9473 9474 9475 9476 9477 9478 9479
 */
static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct bnx2x_fastpath *fp;
	struct sw_tx_bd *tx_buf;
	struct eth_tx_bd *tx_bd;
	struct eth_tx_parse_bd *pbd = NULL;
	u16 pkt_prod, bd_prod;
E
Eilon Greenstein 已提交
9480
	int nbd, fp_index;
E
Eliezer Tamir 已提交
9481
	dma_addr_t mapping;
E
Eilon Greenstein 已提交
9482 9483 9484 9485
	u32 xmit_type = bnx2x_xmit_type(bp, skb);
	int vlan_off = (bp->e1hov ? 4 : 0);
	int i;
	u8 hlen = 0;
E
Eliezer Tamir 已提交
9486 9487 9488 9489 9490 9491

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return NETDEV_TX_BUSY;
#endif

E
Eilon Greenstein 已提交
9492
	fp_index = (smp_processor_id() % bp->num_queues);
E
Eliezer Tamir 已提交
9493
	fp = &bp->fp[fp_index];
E
Eilon Greenstein 已提交
9494

Y
Yitchak Gertner 已提交
9495
	if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Y
Yitchak Gertner 已提交
9496
		bp->eth_stats.driver_xoff++,
E
Eliezer Tamir 已提交
9497 9498 9499 9500 9501
		netif_stop_queue(dev);
		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
		return NETDEV_TX_BUSY;
	}

E
Eilon Greenstein 已提交
9502 9503 9504 9505 9506
	DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x  protocol %x  protocol(%x,%x)"
	   "  gso type %x  xmit_type %x\n",
	   skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
	   ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);

E
Eilon Greenstein 已提交
9507
	/* First, check if we need to linearize the skb
E
Eilon Greenstein 已提交
9508 9509 9510 9511 9512 9513 9514 9515
	   (due to FW restrictions) */
	if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
		/* Statistics of linearization */
		bp->lin_cnt++;
		if (skb_linearize(skb) != 0) {
			DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
			   "silently dropping this SKB\n");
			dev_kfree_skb_any(skb);
9516
			return NETDEV_TX_OK;
E
Eilon Greenstein 已提交
9517 9518 9519
		}
	}

E
Eliezer Tamir 已提交
9520
	/*
E
Eilon Greenstein 已提交
9521
	Please read carefully. First we use one BD which we mark as start,
E
Eliezer Tamir 已提交
9522
	then for TSO or xsum we have a parsing info BD,
E
Eilon Greenstein 已提交
9523
	and only then we have the rest of the TSO BDs.
E
Eliezer Tamir 已提交
9524 9525
	(don't forget to mark the last one as last,
	and to unmap only AFTER you write to the BD ...)
E
Eilon Greenstein 已提交
9526
	And above all, all pdb sizes are in words - NOT DWORDS!
E
Eliezer Tamir 已提交
9527 9528 9529
	*/

	pkt_prod = fp->tx_pkt_prod++;
E
Eilon Greenstein 已提交
9530
	bd_prod = TX_BD(fp->tx_bd_prod);
E
Eliezer Tamir 已提交
9531

E
Eilon Greenstein 已提交
9532
	/* get a tx_buf and first BD */
E
Eliezer Tamir 已提交
9533 9534 9535 9536 9537 9538
	tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
	tx_bd = &fp->tx_desc_ring[bd_prod];

	tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
	tx_bd->general_data = (UNICAST_ADDRESS <<
			       ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9539 9540
	/* header nbd */
	tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
E
Eliezer Tamir 已提交
9541

E
Eilon Greenstein 已提交
9542 9543 9544
	/* remember the first BD of the packet */
	tx_buf->first_bd = fp->tx_bd_prod;
	tx_buf->skb = skb;
E
Eliezer Tamir 已提交
9545 9546 9547 9548 9549

	DP(NETIF_MSG_TX_QUEUED,
	   "sending pkt %u @%p  next_idx %u  bd %u @%p\n",
	   pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);

E
Eilon Greenstein 已提交
9550 9551 9552 9553 9554 9555
	if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
		tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
		vlan_off += 4;
	} else
		tx_bd->vlan = cpu_to_le16(pkt_prod);
E
Eliezer Tamir 已提交
9556

E
Eilon Greenstein 已提交
9557 9558
	if (xmit_type) {
		/* turn on parsing and get a BD */
E
Eliezer Tamir 已提交
9559 9560
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		pbd = (void *)&fp->tx_desc_ring[bd_prod];
E
Eilon Greenstein 已提交
9561 9562 9563 9564 9565 9566

		memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
	}

	if (xmit_type & XMIT_CSUM) {
		hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
E
Eliezer Tamir 已提交
9567 9568

		/* for now NS flag is not used in Linux */
E
Eilon Greenstein 已提交
9569
		pbd->global_data = (hlen |
E
Eliezer Tamir 已提交
9570
				    ((skb->protocol == ntohs(ETH_P_8021Q)) <<
E
Eliezer Tamir 已提交
9571 9572
				     ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));

E
Eilon Greenstein 已提交
9573 9574 9575 9576
		pbd->ip_hlen = (skb_transport_header(skb) -
				skb_network_header(skb)) / 2;

		hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
E
Eliezer Tamir 已提交
9577

E
Eilon Greenstein 已提交
9578 9579
		pbd->total_hlen = cpu_to_le16(hlen);
		hlen = hlen*2 - vlan_off;
E
Eliezer Tamir 已提交
9580

E
Eilon Greenstein 已提交
9581 9582 9583
		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;

		if (xmit_type & XMIT_CSUM_V4)
E
Eliezer Tamir 已提交
9584
			tx_bd->bd_flags.as_bitfield |=
E
Eilon Greenstein 已提交
9585 9586 9587 9588 9589 9590 9591 9592 9593 9594
						ETH_TX_BD_FLAGS_IP_CSUM;
		else
			tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;

		if (xmit_type & XMIT_CSUM_TCP) {
			pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);

		} else {
			s8 fix = SKB_CS_OFF(skb); /* signed! */

E
Eliezer Tamir 已提交
9595
			pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
E
Eilon Greenstein 已提交
9596
			pbd->cs_offset = fix / 2;
E
Eliezer Tamir 已提交
9597

E
Eilon Greenstein 已提交
9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610
			DP(NETIF_MSG_TX_QUEUED,
			   "hlen %d  offset %d  fix %d  csum before fix %x\n",
			   le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
			   SKB_CS(skb));

			/* HW bug: fixup the CSUM */
			pbd->tcp_pseudo_csum =
				bnx2x_csum_fix(skb_transport_header(skb),
					       SKB_CS(skb), fix);

			DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
			   pbd->tcp_pseudo_csum);
		}
E
Eliezer Tamir 已提交
9611 9612 9613
	}

	mapping = pci_map_single(bp->pdev, skb->data,
E
Eilon Greenstein 已提交
9614
				 skb_headlen(skb), PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9615 9616 9617

	tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
E
Eilon Greenstein 已提交
9618
	nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
E
Eliezer Tamir 已提交
9619 9620 9621 9622
	tx_bd->nbd = cpu_to_le16(nbd);
	tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));

	DP(NETIF_MSG_TX_QUEUED, "first bd @%p  addr (%x:%x)  nbd %d"
E
Eilon Greenstein 已提交
9623 9624 9625 9626
	   "  nbytes %d  flags %x  vlan %x\n",
	   tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
	   le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
	   le16_to_cpu(tx_bd->vlan));
E
Eliezer Tamir 已提交
9627

E
Eilon Greenstein 已提交
9628
	if (xmit_type & XMIT_GSO) {
E
Eliezer Tamir 已提交
9629 9630 9631 9632 9633 9634 9635 9636

		DP(NETIF_MSG_TX_QUEUED,
		   "TSO packet len %d  hlen %d  total len %d  tso size %d\n",
		   skb->len, hlen, skb_headlen(skb),
		   skb_shinfo(skb)->gso_size);

		tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;

E
Eilon Greenstein 已提交
9637 9638 9639
		if (unlikely(skb_headlen(skb) > hlen))
			bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
						 bd_prod, ++nbd);
E
Eliezer Tamir 已提交
9640 9641 9642

		pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
		pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
E
Eilon Greenstein 已提交
9643 9644 9645 9646 9647
		pbd->tcp_flags = pbd_tcp_flags(skb);

		if (xmit_type & XMIT_GSO_V4) {
			pbd->ip_id = swab16(ip_hdr(skb)->id);
			pbd->tcp_pseudo_csum =
E
Eliezer Tamir 已提交
9648 9649 9650
				swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
							  ip_hdr(skb)->daddr,
							  0, IPPROTO_TCP, 0));
E
Eilon Greenstein 已提交
9651 9652 9653 9654 9655 9656 9657

		} else
			pbd->tcp_pseudo_csum =
				swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
							&ipv6_hdr(skb)->daddr,
							0, IPPROTO_TCP, 0));

E
Eliezer Tamir 已提交
9658 9659 9660
		pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
	}

E
Eilon Greenstein 已提交
9661 9662
	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
E
Eliezer Tamir 已提交
9663

E
Eilon Greenstein 已提交
9664 9665
		bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
		tx_bd = &fp->tx_desc_ring[bd_prod];
E
Eliezer Tamir 已提交
9666

E
Eilon Greenstein 已提交
9667 9668
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
				       frag->size, PCI_DMA_TODEVICE);
E
Eliezer Tamir 已提交
9669

E
Eilon Greenstein 已提交
9670 9671 9672 9673 9674
		tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
		tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
		tx_bd->nbytes = cpu_to_le16(frag->size);
		tx_bd->vlan = cpu_to_le16(pkt_prod);
		tx_bd->bd_flags.as_bitfield = 0;
E
Eliezer Tamir 已提交
9675

E
Eilon Greenstein 已提交
9676 9677 9678 9679
		DP(NETIF_MSG_TX_QUEUED,
		   "frag %d  bd @%p  addr (%x:%x)  nbytes %d  flags %x\n",
		   i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
		   le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
E
Eliezer Tamir 已提交
9680 9681
	}

E
Eilon Greenstein 已提交
9682
	/* now at last mark the BD as the last BD */
E
Eliezer Tamir 已提交
9683 9684 9685 9686 9687 9688 9689
	tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;

	DP(NETIF_MSG_TX_QUEUED, "last bd @%p  flags %x\n",
	   tx_bd, tx_bd->bd_flags.as_bitfield);

	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));

E
Eilon Greenstein 已提交
9690
	/* now send a tx doorbell, counting the next BD
E
Eliezer Tamir 已提交
9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701
	 * if the packet contains or ends with it
	 */
	if (TX_BD_POFF(bd_prod) < nbd)
		nbd++;

	if (pbd)
		DP(NETIF_MSG_TX_QUEUED,
		   "PBD @%p  ip_data %x  ip_hlen %u  ip_id %u  lso_mss %u"
		   "  tcp_flags %x  xsum %x  seq %u  hlen %u\n",
		   pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
		   pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
E
Eilon Greenstein 已提交
9702
		   pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
E
Eliezer Tamir 已提交
9703

E
Eilon Greenstein 已提交
9704
	DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d  bd %u\n", nbd, bd_prod);
E
Eliezer Tamir 已提交
9705

E
Eliezer Tamir 已提交
9706 9707
	fp->hw_tx_prods->bds_prod =
		cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
E
Eliezer Tamir 已提交
9708
	mb(); /* FW restriction: must not reorder writing nbd and packets */
E
Eliezer Tamir 已提交
9709 9710
	fp->hw_tx_prods->packets_prod =
		cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
E
Eilon Greenstein 已提交
9711
	DOORBELL(bp, FP_IDX(fp), 0);
E
Eliezer Tamir 已提交
9712 9713 9714

	mmiowb();

E
Eilon Greenstein 已提交
9715
	fp->tx_bd_prod += nbd;
E
Eliezer Tamir 已提交
9716 9717 9718 9719
	dev->trans_start = jiffies;

	if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
		netif_stop_queue(dev);
Y
Yitchak Gertner 已提交
9720
		bp->eth_stats.driver_xoff++;
E
Eliezer Tamir 已提交
9721 9722 9723 9724 9725 9726 9727 9728
		if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
			netif_wake_queue(dev);
	}
	fp->tx_pkt++;

	return NETDEV_TX_OK;
}

Y
Yitchak Gertner 已提交
9729
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9730 9731 9732 9733 9734 9735
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	bnx2x_set_power_state(bp, PCI_D0);

Y
Yitchak Gertner 已提交
9736
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
9737 9738
}

Y
Yitchak Gertner 已提交
9739
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9740 9741 9742 9743 9744
static int bnx2x_close(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	/* Unload the driver, release IRQs */
Y
Yitchak Gertner 已提交
9745 9746 9747 9748
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
	if (atomic_read(&bp->pdev->enable_cnt) == 1)
		if (!CHIP_REV_IS_SLOW(bp))
			bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
9749 9750 9751 9752

	return 0;
}

9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 9848 9849 9850 9851 9852
/* called with netif_tx_lock from set_multicast */
static void bnx2x_set_rx_mode(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 rx_mode = BNX2X_RX_MODE_NORMAL;
	int port = BP_PORT(bp);

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);

	if (dev->flags & IFF_PROMISC)
		rx_mode = BNX2X_RX_MODE_PROMISC;

	else if ((dev->flags & IFF_ALLMULTI) ||
		 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
		rx_mode = BNX2X_RX_MODE_ALLMULTI;

	else { /* some multicasts */
		if (CHIP_IS_E1(bp)) {
			int i, old, offset;
			struct dev_mc_list *mclist;
			struct mac_configuration_cmd *config =
						bnx2x_sp(bp, mcast_config);

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

				config->config_table[i].
					cam_entry.msb_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[0]);
				config->config_table[i].
					cam_entry.middle_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[2]);
				config->config_table[i].
					cam_entry.lsb_mac_addr =
					swab16(*(u16 *)&mclist->dmi_addr[4]);
				config->config_table[i].cam_entry.flags =
							cpu_to_le16(port);
				config->config_table[i].
					target_table_entry.flags = 0;
				config->config_table[i].
					target_table_entry.client_id = 0;
				config->config_table[i].
					target_table_entry.vlan_id = 0;

				DP(NETIF_MSG_IFUP,
				   "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
				   config->config_table[i].
						cam_entry.msb_mac_addr,
				   config->config_table[i].
						cam_entry.middle_mac_addr,
				   config->config_table[i].
						cam_entry.lsb_mac_addr);
			}
			old = config->hdr.length_6b;
			if (old > i) {
				for (; i < old; i++) {
					if (CAM_IS_INVALID(config->
							   config_table[i])) {
						i--; /* already invalidated */
						break;
					}
					/* invalidate */
					CAM_INVALIDATE(config->
						       config_table[i]);
				}
			}

			if (CHIP_REV_IS_SLOW(bp))
				offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
			else
				offset = BNX2X_MAX_MULTICAST*(1 + port);

			config->hdr.length_6b = i;
			config->hdr.offset = offset;
			config->hdr.client_id = BP_CL_ID(bp);
			config->hdr.reserved1 = 0;

			bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
				   U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
				   U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
				      0);
		} else { /* E1H */
			/* Accept one or more multicasts */
			struct dev_mc_list *mclist;
			u32 mc_filter[MC_HASH_SIZE];
			u32 crc, bit, regidx;
			int i;

			memset(mc_filter, 0, 4 * MC_HASH_SIZE);

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

J
Johannes Berg 已提交
9853 9854
				DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
				   mclist->dmi_addr);
9855 9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872 9873

				crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
				bit = (crc >> 24) & 0xff;
				regidx = bit >> 5;
				bit &= 0x1f;
				mc_filter[regidx] |= (1 << bit);
			}

			for (i = 0; i < MC_HASH_SIZE; i++)
				REG_WR(bp, MC_HASH_OFFSET(bp, i),
				       mc_filter[i]);
		}
	}

	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9874 9875 9876 9877 9878
static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
	struct bnx2x *bp = netdev_priv(dev);

9879
	if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
E
Eliezer Tamir 已提交
9880 9881 9882
		return -EINVAL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9883 9884
	if (netif_running(dev)) {
		if (CHIP_IS_E1(bp))
9885
			bnx2x_set_mac_addr_e1(bp, 1);
9886
		else
9887
			bnx2x_set_mac_addr_e1h(bp, 1);
9888
	}
E
Eliezer Tamir 已提交
9889 9890 9891 9892

	return 0;
}

Y
Yaniv Rosner 已提交
9893
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9894 9895 9896 9897
static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct mii_ioctl_data *data = if_mii(ifr);
	struct bnx2x *bp = netdev_priv(dev);
9898
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
9899 9900 9901 9902
	int err;

	switch (cmd) {
	case SIOCGMIIPHY:
9903
		data->phy_id = bp->port.phy_addr;
E
Eliezer Tamir 已提交
9904

E
Eliezer Tamir 已提交
9905
		/* fallthrough */
Y
Yaniv Rosner 已提交
9906

E
Eliezer Tamir 已提交
9907
	case SIOCGMIIREG: {
Y
Yaniv Rosner 已提交
9908
		u16 mii_regval;
E
Eliezer Tamir 已提交
9909

Y
Yaniv Rosner 已提交
9910 9911
		if (!netif_running(dev))
			return -EAGAIN;
E
Eliezer Tamir 已提交
9912

9913
		mutex_lock(&bp->port.phy_mutex);
9914
		err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9915 9916 9917
				      DEFAULT_PHY_DEV_ADDR,
				      (data->reg_num & 0x1f), &mii_regval);
		data->val_out = mii_regval;
9918
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9919 9920 9921 9922 9923 9924 9925
		return err;
	}

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

Y
Yaniv Rosner 已提交
9926 9927 9928
		if (!netif_running(dev))
			return -EAGAIN;

9929
		mutex_lock(&bp->port.phy_mutex);
9930
		err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Y
Yaniv Rosner 已提交
9931 9932
				       DEFAULT_PHY_DEV_ADDR,
				       (data->reg_num & 0x1f), data->val_in);
9933
		mutex_unlock(&bp->port.phy_mutex);
E
Eliezer Tamir 已提交
9934 9935 9936 9937 9938 9939 9940 9941 9942 9943
		return err;

	default:
		/* do nothing */
		break;
	}

	return -EOPNOTSUPP;
}

9944
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9945 9946 9947
static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
{
	struct bnx2x *bp = netdev_priv(dev);
9948
	int rc = 0;
E
Eliezer Tamir 已提交
9949 9950 9951 9952 9953 9954

	if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
	    ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
		return -EINVAL;

	/* This does not race with packet allocation
E
Eliezer Tamir 已提交
9955
	 * because the actual alloc size is
E
Eliezer Tamir 已提交
9956 9957 9958 9959 9960
	 * only updated as part of load
	 */
	dev->mtu = new_mtu;

	if (netif_running(dev)) {
9961 9962
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
E
Eliezer Tamir 已提交
9963
	}
9964 9965

	return rc;
E
Eliezer Tamir 已提交
9966 9967 9968 9969 9970 9971 9972 9973 9974 9975 9976 9977 9978 9979 9980
}

static void bnx2x_tx_timeout(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

#ifdef BNX2X_STOP_ON_ERROR
	if (!bp->panic)
		bnx2x_panic();
#endif
	/* This allows the netif to be shutdown gracefully before resetting */
	schedule_work(&bp->reset_task);
}

#ifdef BCM_VLAN
9981
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
9982 9983 9984 9985 9986 9987 9988
static void bnx2x_vlan_rx_register(struct net_device *dev,
				   struct vlan_group *vlgrp)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->vlgrp = vlgrp;
	if (netif_running(dev))
9989
		bnx2x_set_client_config(bp);
E
Eliezer Tamir 已提交
9990
}
9991

E
Eliezer Tamir 已提交
9992 9993 9994 9995 9996 9997 9998 9999 10000 10001 10002 10003 10004
#endif

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void poll_bnx2x(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	disable_irq(bp->pdev->irq);
	bnx2x_interrupt(bp->pdev->irq, dev);
	enable_irq(bp->pdev->irq);
}
#endif

10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016 10017 10018 10019 10020 10021 10022 10023
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
	.ndo_set_multicast_list = bnx2x_set_rx_mode,
	.ndo_set_mac_address	= bnx2x_change_mac_addr,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_do_ioctl		= bnx2x_ioctl,
	.ndo_change_mtu		= bnx2x_change_mtu,
	.ndo_tx_timeout		= bnx2x_tx_timeout,
#ifdef BCM_VLAN
	.ndo_vlan_rx_register	= bnx2x_vlan_rx_register,
#endif
#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	.ndo_poll_controller	= poll_bnx2x,
#endif
};


10024 10025
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
10026 10027 10028 10029 10030 10031 10032
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

10033 10034
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
10035
	bp->flags = 0;
10036
	bp->func = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
10037 10038 10039 10040 10041 10042 10043 10044 10045 10046 10047 10048 10049 10050 10051 10052 10053 10054 10055 10056 10057

	rc = pci_enable_device(pdev);
	if (rc) {
		printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
		printk(KERN_ERR PFX "Cannot find PCI device base address,"
		       " aborting\n");
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
		printk(KERN_ERR PFX "Cannot find second PCI device"
		       " base address, aborting\n");
		rc = -ENODEV;
		goto err_out_disable;
	}

10058 10059 10060 10061 10062 10063 10064
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
			printk(KERN_ERR PFX "Cannot obtain PCI resources,"
			       " aborting\n");
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
10065

10066 10067 10068
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
10069 10070 10071 10072 10073 10074 10075 10076 10077 10078 10079 10080 10081 10082 10083 10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098 10099 10100 10101

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
		printk(KERN_ERR PFX "Cannot find power management"
		       " capability, aborting\n");
		rc = -EIO;
		goto err_out_release;
	}

	bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
	if (bp->pcie_cap == 0) {
		printk(KERN_ERR PFX "Cannot find PCI Express capability,"
		       " aborting\n");
		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) {
			printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
			       " failed, aborting\n");
			rc = -EIO;
			goto err_out_release;
		}

	} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
		printk(KERN_ERR PFX "System does not support DMA,"
		       " aborting\n");
		rc = -EIO;
		goto err_out_release;
	}

10102 10103 10104
	dev->mem_start = pci_resource_start(pdev, 0);
	dev->base_addr = dev->mem_start;
	dev->mem_end = pci_resource_end(pdev, 0);
E
Eliezer Tamir 已提交
10105 10106 10107

	dev->irq = pdev->irq;

10108
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
10109 10110 10111 10112 10113 10114
	if (!bp->regview) {
		printk(KERN_ERR PFX "Cannot map register space, aborting\n");
		rc = -ENOMEM;
		goto err_out_release;
	}

10115 10116 10117
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
					min_t(u64, BNX2X_DB_SIZE,
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
10118 10119 10120 10121 10122 10123 10124 10125
	if (!bp->doorbells) {
		printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

10126 10127 10128 10129 10130 10131 10132
	/* clean indirect addresses */
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
	REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
E
Eliezer Tamir 已提交
10133

10134
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
10135

10136
	dev->netdev_ops = &bnx2x_netdev_ops;
10137 10138 10139 10140 10141 10142 10143 10144 10145
	dev->ethtool_ops = &bnx2x_ethtool_ops;
	dev->features |= NETIF_F_SG;
	dev->features |= NETIF_F_HW_CSUM;
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
#ifdef BCM_VLAN
	dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
#endif
	dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
E
Eilon Greenstein 已提交
10146
	dev->features |= NETIF_F_TSO6;
E
Eliezer Tamir 已提交
10147 10148 10149 10150 10151 10152 10153 10154 10155 10156 10157 10158 10159 10160

	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
		bp->regview = NULL;
	}
	if (bp->doorbells) {
		iounmap(bp->doorbells);
		bp->doorbells = NULL;
	}

err_out_release:
10161 10162
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
10163 10164 10165 10166 10167 10168 10169 10170 10171

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

err_out:
	return rc;
}

E
Eliezer Tamir 已提交
10172 10173 10174 10175 10176 10177 10178 10179 10180 10181 10182 10183 10184 10185 10186 10187 10188
static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

	val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
	return val;
}

/* return value of 1=2.5GHz 2=5GHz */
static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

	val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
	return val;
}

E
Eliezer Tamir 已提交
10189 10190 10191 10192 10193 10194
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	static int version_printed;
	struct net_device *dev = NULL;
	struct bnx2x *bp;
E
Eliezer Tamir 已提交
10195
	int rc;
E
Eliezer Tamir 已提交
10196 10197 10198 10199 10200 10201

	if (version_printed++ == 0)
		printk(KERN_INFO "%s", version);

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));
10202 10203
	if (!dev) {
		printk(KERN_ERR PFX "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
10204
		return -ENOMEM;
10205
	}
E
Eliezer Tamir 已提交
10206 10207 10208 10209

	bp = netdev_priv(dev);
	bp->msglevel = debug;

10210
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
10211 10212 10213 10214 10215 10216 10217
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	rc = register_netdev(dev);
	if (rc) {
E
Eliezer Tamir 已提交
10218
		dev_err(&pdev->dev, "Cannot register net device\n");
10219
		goto init_one_exit;
E
Eliezer Tamir 已提交
10220 10221 10222 10223
	}

	pci_set_drvdata(pdev, dev);

10224 10225 10226 10227 10228 10229
	rc = bnx2x_init_bp(bp);
	if (rc) {
		unregister_netdev(dev);
		goto init_one_exit;
	}

10230 10231
	netif_carrier_off(dev);

10232
	bp->common.name = board_info[ent->driver_data].name;
E
Eliezer Tamir 已提交
10233
	printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10234 10235
	       " IRQ %d, ", dev->name, bp->common.name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
E
Eliezer Tamir 已提交
10236 10237 10238
	       bnx2x_get_pcie_width(bp),
	       (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
	       dev->base_addr, bp->pdev->irq);
J
Johannes Berg 已提交
10239
	printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
E
Eliezer Tamir 已提交
10240
	return 0;
10241 10242 10243 10244 10245 10246 10247 10248 10249 10250 10251 10252 10253 10254 10255 10256 10257

init_one_exit:
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

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

	return rc;
E
Eliezer Tamir 已提交
10258 10259 10260 10261 10262
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10263 10264 10265 10266 10267 10268 10269
	struct bnx2x *bp;

	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10270 10271 10272 10273 10274 10275 10276 10277 10278 10279

	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);
10280 10281 10282 10283

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
10284 10285 10286 10287 10288 10289 10290
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10291 10292
	struct bnx2x *bp;

10293 10294 10295 10296 10297
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10298

10299
	rtnl_lock();
E
Eliezer Tamir 已提交
10300

10301
	pci_save_state(pdev);
10302

10303 10304 10305 10306
	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}
E
Eliezer Tamir 已提交
10307 10308 10309

	netif_device_detach(dev);

10310
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10311

E
Eliezer Tamir 已提交
10312
	bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10313

10314 10315
	rtnl_unlock();

E
Eliezer Tamir 已提交
10316 10317 10318 10319 10320 10321
	return 0;
}

static int bnx2x_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
10322
	struct bnx2x *bp;
E
Eliezer Tamir 已提交
10323 10324
	int rc;

10325 10326 10327 10328 10329
	if (!dev) {
		printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
		return -ENODEV;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
10330

10331 10332
	rtnl_lock();

10333
	pci_restore_state(pdev);
10334 10335 10336 10337 10338 10339

	if (!netif_running(dev)) {
		rtnl_unlock();
		return 0;
	}

E
Eliezer Tamir 已提交
10340 10341 10342
	bnx2x_set_power_state(bp, PCI_D0);
	netif_device_attach(dev);

10343
	rc = bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
10344

10345 10346 10347
	rtnl_unlock();

	return rc;
E
Eliezer Tamir 已提交
10348 10349
}

Y
Yitchak Gertner 已提交
10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382 10383 10384 10385 10386 10387 10388 10389 10390 10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401 10402 10403 10404 10405 10406 10407 10408 10409 10410 10411 10412 10413 10414 10415 10416 10417
static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
{
	int i;

	bp->state = BNX2X_STATE_ERROR;

	bp->rx_mode = BNX2X_RX_MODE_NONE;

	bnx2x_netif_stop(bp, 0);

	del_timer_sync(&bp->timer);
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

	/* Release IRQs */
	bnx2x_free_irq(bp);

	if (CHIP_IS_E1(bp)) {
		struct mac_configuration_cmd *config =
						bnx2x_sp(bp, mcast_config);

		for (i = 0; i < config->hdr.length_6b; i++)
			CAM_INVALIDATE(config->config_table[i]);
	}

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
	for_each_queue(bp, i)
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;

	netif_carrier_off(bp->dev);

	return 0;
}

static void bnx2x_eeh_recover(struct bnx2x *bp)
{
	u32 val;

	mutex_init(&bp->port.phy_mutex);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	bp->link_params.shmem_base = bp->common.shmem_base;
	BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);

	if (!bp->common.shmem_base ||
	    (bp->common.shmem_base < 0xA0000) ||
	    (bp->common.shmem_base >= 0xC0000)) {
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		BNX2X_ERR("BAD MCP validity signature\n");

	if (!BP_NOMCP(bp)) {
		bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
			      & DRV_MSG_SEQ_NUMBER_MASK);
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436
/**
 * bnx2x_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci connection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
						pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	netif_device_detach(dev);

	if (netif_running(dev))
Y
Yitchak Gertner 已提交
10437
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
10438 10439 10440 10441 10442 10443 10444 10445 10446 10447 10448 10449 10450 10451 10452 10453 10454 10455 10456 10457 10458 10459 10460 10461 10462 10463 10464 10465 10466 10467 10468 10469 10470 10471 10472 10473 10474 10475 10476 10477 10478 10479 10480 10481 10482 10483 10484 10485 10486 10487 10488 10489 10490 10491

	pci_disable_device(pdev);

	rtnl_unlock();

	/* Request a slot reset */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2x_io_slot_reset - called after the PCI bus has been reset
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);
	pci_restore_state(pdev);

	if (netif_running(dev))
		bnx2x_set_power_state(bp, PCI_D0);

	rtnl_unlock();

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2x_io_resume - called when traffic can start flowing again
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void bnx2x_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

Y
Yitchak Gertner 已提交
10492 10493
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
10494
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
10495
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
10496 10497 10498 10499 10500 10501 10502 10503 10504 10505 10506 10507

	netif_device_attach(dev);

	rtnl_unlock();
}

static struct pci_error_handlers bnx2x_err_handler = {
	.error_detected = bnx2x_io_error_detected,
	.slot_reset = bnx2x_io_slot_reset,
	.resume = bnx2x_io_resume,
};

E
Eliezer Tamir 已提交
10508
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
10509 10510 10511 10512 10513 10514 10515
	.name        = DRV_MODULE_NAME,
	.id_table    = bnx2x_pci_tbl,
	.probe       = bnx2x_init_one,
	.remove      = __devexit_p(bnx2x_remove_one),
	.suspend     = bnx2x_suspend,
	.resume      = bnx2x_resume,
	.err_handler = &bnx2x_err_handler,
E
Eliezer Tamir 已提交
10516 10517 10518 10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530
};

static int __init bnx2x_init(void)
{
	return pci_register_driver(&bnx2x_pci_driver);
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);