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1/* bnx2.c: Broadcom NX2 network driver. 2 * 3 * Copyright (c) 2004-2009 Broadcom Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation. 8 * 9 * Written by: Michael Chan (mchan@broadcom.com) 10 */ 11 12 13#include <linux/module.h> 14#include <linux/moduleparam.h> 15 16#include <linux/kernel.h> 17#include <linux/timer.h> 18#include <linux/errno.h> 19#include <linux/ioport.h> 20#include <linux/slab.h> 21#include <linux/vmalloc.h> 22#include <linux/interrupt.h> 23#include <linux/pci.h> 24#include <linux/init.h> 25#include <linux/netdevice.h> 26#include <linux/etherdevice.h> 27#include <linux/skbuff.h> 28#include <linux/dma-mapping.h> 29#include <linux/bitops.h> 30#include <asm/io.h> 31#include <asm/irq.h> 32#include <linux/delay.h> 33#include <asm/byteorder.h> 34#include <asm/page.h> 35#include <linux/time.h> 36#include <linux/ethtool.h> 37#include <linux/mii.h> 38#include <linux/if_vlan.h> 39#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) 40#define BCM_VLAN 1 41#endif 42#include <net/ip.h> 43#include <net/tcp.h> 44#include <net/checksum.h> 45#include <linux/workqueue.h> 46#include <linux/crc32.h> 47#include <linux/prefetch.h> 48#include <linux/cache.h> 49#include <linux/firmware.h> 50#include <linux/log2.h> 51#include <linux/list.h> 52 53#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE) 54#define BCM_CNIC 1 55#include "cnic_if.h" 56#endif 57#include "bnx2.h" 58#include "bnx2_fw.h" 59 60#define DRV_MODULE_NAME "bnx2" 61#define PFX DRV_MODULE_NAME ": " 62#define DRV_MODULE_VERSION "2.0.3" 63#define DRV_MODULE_RELDATE "Dec 03, 2009" 64#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j3.fw" 65#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw" 66#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j3.fw" 67#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw" 68#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-5.0.0.j3.fw" 69 70#define RUN_AT(x) (jiffies + (x)) 71 72/* Time in jiffies before concluding the transmitter is hung. */ 73#define TX_TIMEOUT (5*HZ) 74 75static char version[] __devinitdata = 76 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 77 78MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>"); 79MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver"); 80MODULE_LICENSE("GPL"); 81MODULE_VERSION(DRV_MODULE_VERSION); 82MODULE_FIRMWARE(FW_MIPS_FILE_06); 83MODULE_FIRMWARE(FW_RV2P_FILE_06); 84MODULE_FIRMWARE(FW_MIPS_FILE_09); 85MODULE_FIRMWARE(FW_RV2P_FILE_09); 86MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); 87 88static int disable_msi = 0; 89 90module_param(disable_msi, int, 0); 91MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); 92 93typedef enum { 94 BCM5706 = 0, 95 NC370T, 96 NC370I, 97 BCM5706S, 98 NC370F, 99 BCM5708, 100 BCM5708S, 101 BCM5709, 102 BCM5709S, 103 BCM5716, 104 BCM5716S, 105} board_t; 106 107/* indexed by board_t, above */ 108static struct { 109 char *name; 110} board_info[] __devinitdata = { 111 { "Broadcom NetXtreme II BCM5706 1000Base-T" }, 112 { "HP NC370T Multifunction Gigabit Server Adapter" }, 113 { "HP NC370i Multifunction Gigabit Server Adapter" }, 114 { "Broadcom NetXtreme II BCM5706 1000Base-SX" }, 115 { "HP NC370F Multifunction Gigabit Server Adapter" }, 116 { "Broadcom NetXtreme II BCM5708 1000Base-T" }, 117 { "Broadcom NetXtreme II BCM5708 1000Base-SX" }, 118 { "Broadcom NetXtreme II BCM5709 1000Base-T" }, 119 { "Broadcom NetXtreme II BCM5709 1000Base-SX" }, 120 { "Broadcom NetXtreme II BCM5716 1000Base-T" }, 121 { "Broadcom NetXtreme II BCM5716 1000Base-SX" }, 122 }; 123 124static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = { 125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 126 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T }, 127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 128 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I }, 129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 }, 131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708, 132 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 }, 133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, 134 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F }, 135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, 136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S }, 137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S, 138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S }, 139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709, 140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 }, 141 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S, 142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S }, 143 { PCI_VENDOR_ID_BROADCOM, 0x163b, 144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 }, 145 { PCI_VENDOR_ID_BROADCOM, 0x163c, 146 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S }, 147 { 0, } 148}; 149 150static const struct flash_spec flash_table[] = 151{ 152#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE) 153#define NONBUFFERED_FLAGS (BNX2_NV_WREN) 154 /* Slow EEPROM */ 155 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400, 156 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 157 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 158 "EEPROM - slow"}, 159 /* Expansion entry 0001 */ 160 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406, 161 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 162 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 163 "Entry 0001"}, 164 /* Saifun SA25F010 (non-buffered flash) */ 165 /* strap, cfg1, & write1 need updates */ 166 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406, 167 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 168 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2, 169 "Non-buffered flash (128kB)"}, 170 /* Saifun SA25F020 (non-buffered flash) */ 171 /* strap, cfg1, & write1 need updates */ 172 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406, 173 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 174 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4, 175 "Non-buffered flash (256kB)"}, 176 /* Expansion entry 0100 */ 177 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406, 178 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 179 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 180 "Entry 0100"}, 181 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */ 182 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406, 183 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 184 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2, 185 "Entry 0101: ST M45PE10 (128kB non-bufferred)"}, 186 /* Entry 0110: ST M45PE20 (non-buffered flash)*/ 187 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406, 188 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 189 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4, 190 "Entry 0110: ST M45PE20 (256kB non-bufferred)"}, 191 /* Saifun SA25F005 (non-buffered flash) */ 192 /* strap, cfg1, & write1 need updates */ 193 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406, 194 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 195 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE, 196 "Non-buffered flash (64kB)"}, 197 /* Fast EEPROM */ 198 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400, 199 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 200 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 201 "EEPROM - fast"}, 202 /* Expansion entry 1001 */ 203 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406, 204 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 205 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 206 "Entry 1001"}, 207 /* Expansion entry 1010 */ 208 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406, 209 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 210 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 211 "Entry 1010"}, 212 /* ATMEL AT45DB011B (buffered flash) */ 213 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400, 214 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 215 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE, 216 "Buffered flash (128kB)"}, 217 /* Expansion entry 1100 */ 218 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406, 219 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 220 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 221 "Entry 1100"}, 222 /* Expansion entry 1101 */ 223 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406, 224 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 225 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 226 "Entry 1101"}, 227 /* Ateml Expansion entry 1110 */ 228 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400, 229 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 230 BUFFERED_FLASH_BYTE_ADDR_MASK, 0, 231 "Entry 1110 (Atmel)"}, 232 /* ATMEL AT45DB021B (buffered flash) */ 233 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400, 234 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 235 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2, 236 "Buffered flash (256kB)"}, 237}; 238 239static const struct flash_spec flash_5709 = { 240 .flags = BNX2_NV_BUFFERED, 241 .page_bits = BCM5709_FLASH_PAGE_BITS, 242 .page_size = BCM5709_FLASH_PAGE_SIZE, 243 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK, 244 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2, 245 .name = "5709 Buffered flash (256kB)", 246}; 247 248MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl); 249 250static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr) 251{ 252 u32 diff; 253 254 smp_mb(); 255 256 /* The ring uses 256 indices for 255 entries, one of them 257 * needs to be skipped. 258 */ 259 diff = txr->tx_prod - txr->tx_cons; 260 if (unlikely(diff >= TX_DESC_CNT)) { 261 diff &= 0xffff; 262 if (diff == TX_DESC_CNT) 263 diff = MAX_TX_DESC_CNT; 264 } 265 return (bp->tx_ring_size - diff); 266} 267 268static u32 269bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset) 270{ 271 u32 val; 272 273 spin_lock_bh(&bp->indirect_lock); 274 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); 275 val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW); 276 spin_unlock_bh(&bp->indirect_lock); 277 return val; 278} 279 280static void 281bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val) 282{ 283 spin_lock_bh(&bp->indirect_lock); 284 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); 285 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val); 286 spin_unlock_bh(&bp->indirect_lock); 287} 288 289static void 290bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val) 291{ 292 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val); 293} 294 295static u32 296bnx2_shmem_rd(struct bnx2 *bp, u32 offset) 297{ 298 return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset)); 299} 300 301static void 302bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) 303{ 304 offset += cid_addr; 305 spin_lock_bh(&bp->indirect_lock); 306 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 307 int i; 308 309 REG_WR(bp, BNX2_CTX_CTX_DATA, val); 310 REG_WR(bp, BNX2_CTX_CTX_CTRL, 311 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ); 312 for (i = 0; i < 5; i++) { 313 val = REG_RD(bp, BNX2_CTX_CTX_CTRL); 314 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0) 315 break; 316 udelay(5); 317 } 318 } else { 319 REG_WR(bp, BNX2_CTX_DATA_ADR, offset); 320 REG_WR(bp, BNX2_CTX_DATA, val); 321 } 322 spin_unlock_bh(&bp->indirect_lock); 323} 324 325#ifdef BCM_CNIC 326static int 327bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info) 328{ 329 struct bnx2 *bp = netdev_priv(dev); 330 struct drv_ctl_io *io = &info->data.io; 331 332 switch (info->cmd) { 333 case DRV_CTL_IO_WR_CMD: 334 bnx2_reg_wr_ind(bp, io->offset, io->data); 335 break; 336 case DRV_CTL_IO_RD_CMD: 337 io->data = bnx2_reg_rd_ind(bp, io->offset); 338 break; 339 case DRV_CTL_CTX_WR_CMD: 340 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data); 341 break; 342 default: 343 return -EINVAL; 344 } 345 return 0; 346} 347 348static void bnx2_setup_cnic_irq_info(struct bnx2 *bp) 349{ 350 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 351 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 352 int sb_id; 353 354 if (bp->flags & BNX2_FLAG_USING_MSIX) { 355 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX; 356 bnapi->cnic_present = 0; 357 sb_id = bp->irq_nvecs; 358 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX; 359 } else { 360 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX; 361 bnapi->cnic_tag = bnapi->last_status_idx; 362 bnapi->cnic_present = 1; 363 sb_id = 0; 364 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX; 365 } 366 367 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector; 368 cp->irq_arr[0].status_blk = (void *) 369 ((unsigned long) bnapi->status_blk.msi + 370 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id)); 371 cp->irq_arr[0].status_blk_num = sb_id; 372 cp->num_irq = 1; 373} 374 375static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops, 376 void *data) 377{ 378 struct bnx2 *bp = netdev_priv(dev); 379 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 380 381 if (ops == NULL) 382 return -EINVAL; 383 384 if (cp->drv_state & CNIC_DRV_STATE_REGD) 385 return -EBUSY; 386 387 bp->cnic_data = data; 388 rcu_assign_pointer(bp->cnic_ops, ops); 389 390 cp->num_irq = 0; 391 cp->drv_state = CNIC_DRV_STATE_REGD; 392 393 bnx2_setup_cnic_irq_info(bp); 394 395 return 0; 396} 397 398static int bnx2_unregister_cnic(struct net_device *dev) 399{ 400 struct bnx2 *bp = netdev_priv(dev); 401 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 402 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 403 404 mutex_lock(&bp->cnic_lock); 405 cp->drv_state = 0; 406 bnapi->cnic_present = 0; 407 rcu_assign_pointer(bp->cnic_ops, NULL); 408 mutex_unlock(&bp->cnic_lock); 409 synchronize_rcu(); 410 return 0; 411} 412 413struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev) 414{ 415 struct bnx2 *bp = netdev_priv(dev); 416 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 417 418 cp->drv_owner = THIS_MODULE; 419 cp->chip_id = bp->chip_id; 420 cp->pdev = bp->pdev; 421 cp->io_base = bp->regview; 422 cp->drv_ctl = bnx2_drv_ctl; 423 cp->drv_register_cnic = bnx2_register_cnic; 424 cp->drv_unregister_cnic = bnx2_unregister_cnic; 425 426 return cp; 427} 428EXPORT_SYMBOL(bnx2_cnic_probe); 429 430static void 431bnx2_cnic_stop(struct bnx2 *bp) 432{ 433 struct cnic_ops *c_ops; 434 struct cnic_ctl_info info; 435 436 mutex_lock(&bp->cnic_lock); 437 c_ops = bp->cnic_ops; 438 if (c_ops) { 439 info.cmd = CNIC_CTL_STOP_CMD; 440 c_ops->cnic_ctl(bp->cnic_data, &info); 441 } 442 mutex_unlock(&bp->cnic_lock); 443} 444 445static void 446bnx2_cnic_start(struct bnx2 *bp) 447{ 448 struct cnic_ops *c_ops; 449 struct cnic_ctl_info info; 450 451 mutex_lock(&bp->cnic_lock); 452 c_ops = bp->cnic_ops; 453 if (c_ops) { 454 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) { 455 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 456 457 bnapi->cnic_tag = bnapi->last_status_idx; 458 } 459 info.cmd = CNIC_CTL_START_CMD; 460 c_ops->cnic_ctl(bp->cnic_data, &info); 461 } 462 mutex_unlock(&bp->cnic_lock); 463} 464 465#else 466 467static void 468bnx2_cnic_stop(struct bnx2 *bp) 469{ 470} 471 472static void 473bnx2_cnic_start(struct bnx2 *bp) 474{ 475} 476 477#endif 478 479static int 480bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val) 481{ 482 u32 val1; 483 int i, ret; 484 485 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 486 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); 487 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; 488 489 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 490 REG_RD(bp, BNX2_EMAC_MDIO_MODE); 491 492 udelay(40); 493 } 494 495 val1 = (bp->phy_addr << 21) | (reg << 16) | 496 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT | 497 BNX2_EMAC_MDIO_COMM_START_BUSY; 498 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1); 499 500 for (i = 0; i < 50; i++) { 501 udelay(10); 502 503 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); 504 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { 505 udelay(5); 506 507 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); 508 val1 &= BNX2_EMAC_MDIO_COMM_DATA; 509 510 break; 511 } 512 } 513 514 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) { 515 *val = 0x0; 516 ret = -EBUSY; 517 } 518 else { 519 *val = val1; 520 ret = 0; 521 } 522 523 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 524 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); 525 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; 526 527 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 528 REG_RD(bp, BNX2_EMAC_MDIO_MODE); 529 530 udelay(40); 531 } 532 533 return ret; 534} 535 536static int 537bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val) 538{ 539 u32 val1; 540 int i, ret; 541 542 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 543 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); 544 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; 545 546 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 547 REG_RD(bp, BNX2_EMAC_MDIO_MODE); 548 549 udelay(40); 550 } 551 552 val1 = (bp->phy_addr << 21) | (reg << 16) | val | 553 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE | 554 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT; 555 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1); 556 557 for (i = 0; i < 50; i++) { 558 udelay(10); 559 560 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); 561 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { 562 udelay(5); 563 break; 564 } 565 } 566 567 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) 568 ret = -EBUSY; 569 else 570 ret = 0; 571 572 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 573 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); 574 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; 575 576 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 577 REG_RD(bp, BNX2_EMAC_MDIO_MODE); 578 579 udelay(40); 580 } 581 582 return ret; 583} 584 585static void 586bnx2_disable_int(struct bnx2 *bp) 587{ 588 int i; 589 struct bnx2_napi *bnapi; 590 591 for (i = 0; i < bp->irq_nvecs; i++) { 592 bnapi = &bp->bnx2_napi[i]; 593 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 594 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 595 } 596 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD); 597} 598 599static void 600bnx2_enable_int(struct bnx2 *bp) 601{ 602 int i; 603 struct bnx2_napi *bnapi; 604 605 for (i = 0; i < bp->irq_nvecs; i++) { 606 bnapi = &bp->bnx2_napi[i]; 607 608 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 609 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 610 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | 611 bnapi->last_status_idx); 612 613 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 614 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 615 bnapi->last_status_idx); 616 } 617 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); 618} 619 620static void 621bnx2_disable_int_sync(struct bnx2 *bp) 622{ 623 int i; 624 625 atomic_inc(&bp->intr_sem); 626 if (!netif_running(bp->dev)) 627 return; 628 629 bnx2_disable_int(bp); 630 for (i = 0; i < bp->irq_nvecs; i++) 631 synchronize_irq(bp->irq_tbl[i].vector); 632} 633 634static void 635bnx2_napi_disable(struct bnx2 *bp) 636{ 637 int i; 638 639 for (i = 0; i < bp->irq_nvecs; i++) 640 napi_disable(&bp->bnx2_napi[i].napi); 641} 642 643static void 644bnx2_napi_enable(struct bnx2 *bp) 645{ 646 int i; 647 648 for (i = 0; i < bp->irq_nvecs; i++) 649 napi_enable(&bp->bnx2_napi[i].napi); 650} 651 652static void 653bnx2_netif_stop(struct bnx2 *bp) 654{ 655 bnx2_cnic_stop(bp); 656 if (netif_running(bp->dev)) { 657 int i; 658 659 bnx2_napi_disable(bp); 660 netif_tx_disable(bp->dev); 661 /* prevent tx timeout */ 662 for (i = 0; i < bp->dev->num_tx_queues; i++) { 663 struct netdev_queue *txq; 664 665 txq = netdev_get_tx_queue(bp->dev, i); 666 txq->trans_start = jiffies; 667 } 668 } 669 bnx2_disable_int_sync(bp); 670} 671 672static void 673bnx2_netif_start(struct bnx2 *bp) 674{ 675 if (atomic_dec_and_test(&bp->intr_sem)) { 676 if (netif_running(bp->dev)) { 677 netif_tx_wake_all_queues(bp->dev); 678 bnx2_napi_enable(bp); 679 bnx2_enable_int(bp); 680 bnx2_cnic_start(bp); 681 } 682 } 683} 684 685static void 686bnx2_free_tx_mem(struct bnx2 *bp) 687{ 688 int i; 689 690 for (i = 0; i < bp->num_tx_rings; i++) { 691 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 692 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 693 694 if (txr->tx_desc_ring) { 695 pci_free_consistent(bp->pdev, TXBD_RING_SIZE, 696 txr->tx_desc_ring, 697 txr->tx_desc_mapping); 698 txr->tx_desc_ring = NULL; 699 } 700 kfree(txr->tx_buf_ring); 701 txr->tx_buf_ring = NULL; 702 } 703} 704 705static void 706bnx2_free_rx_mem(struct bnx2 *bp) 707{ 708 int i; 709 710 for (i = 0; i < bp->num_rx_rings; i++) { 711 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 712 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 713 int j; 714 715 for (j = 0; j < bp->rx_max_ring; j++) { 716 if (rxr->rx_desc_ring[j]) 717 pci_free_consistent(bp->pdev, RXBD_RING_SIZE, 718 rxr->rx_desc_ring[j], 719 rxr->rx_desc_mapping[j]); 720 rxr->rx_desc_ring[j] = NULL; 721 } 722 vfree(rxr->rx_buf_ring); 723 rxr->rx_buf_ring = NULL; 724 725 for (j = 0; j < bp->rx_max_pg_ring; j++) { 726 if (rxr->rx_pg_desc_ring[j]) 727 pci_free_consistent(bp->pdev, RXBD_RING_SIZE, 728 rxr->rx_pg_desc_ring[j], 729 rxr->rx_pg_desc_mapping[j]); 730 rxr->rx_pg_desc_ring[j] = NULL; 731 } 732 vfree(rxr->rx_pg_ring); 733 rxr->rx_pg_ring = NULL; 734 } 735} 736 737static int 738bnx2_alloc_tx_mem(struct bnx2 *bp) 739{ 740 int i; 741 742 for (i = 0; i < bp->num_tx_rings; i++) { 743 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 744 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 745 746 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL); 747 if (txr->tx_buf_ring == NULL) 748 return -ENOMEM; 749 750 txr->tx_desc_ring = 751 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE, 752 &txr->tx_desc_mapping); 753 if (txr->tx_desc_ring == NULL) 754 return -ENOMEM; 755 } 756 return 0; 757} 758 759static int 760bnx2_alloc_rx_mem(struct bnx2 *bp) 761{ 762 int i; 763 764 for (i = 0; i < bp->num_rx_rings; i++) { 765 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 766 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 767 int j; 768 769 rxr->rx_buf_ring = 770 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring); 771 if (rxr->rx_buf_ring == NULL) 772 return -ENOMEM; 773 774 memset(rxr->rx_buf_ring, 0, 775 SW_RXBD_RING_SIZE * bp->rx_max_ring); 776 777 for (j = 0; j < bp->rx_max_ring; j++) { 778 rxr->rx_desc_ring[j] = 779 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE, 780 &rxr->rx_desc_mapping[j]); 781 if (rxr->rx_desc_ring[j] == NULL) 782 return -ENOMEM; 783 784 } 785 786 if (bp->rx_pg_ring_size) { 787 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE * 788 bp->rx_max_pg_ring); 789 if (rxr->rx_pg_ring == NULL) 790 return -ENOMEM; 791 792 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE * 793 bp->rx_max_pg_ring); 794 } 795 796 for (j = 0; j < bp->rx_max_pg_ring; j++) { 797 rxr->rx_pg_desc_ring[j] = 798 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE, 799 &rxr->rx_pg_desc_mapping[j]); 800 if (rxr->rx_pg_desc_ring[j] == NULL) 801 return -ENOMEM; 802 803 } 804 } 805 return 0; 806} 807 808static void 809bnx2_free_mem(struct bnx2 *bp) 810{ 811 int i; 812 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 813 814 bnx2_free_tx_mem(bp); 815 bnx2_free_rx_mem(bp); 816 817 for (i = 0; i < bp->ctx_pages; i++) { 818 if (bp->ctx_blk[i]) { 819 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE, 820 bp->ctx_blk[i], 821 bp->ctx_blk_mapping[i]); 822 bp->ctx_blk[i] = NULL; 823 } 824 } 825 if (bnapi->status_blk.msi) { 826 pci_free_consistent(bp->pdev, bp->status_stats_size, 827 bnapi->status_blk.msi, 828 bp->status_blk_mapping); 829 bnapi->status_blk.msi = NULL; 830 bp->stats_blk = NULL; 831 } 832} 833 834static int 835bnx2_alloc_mem(struct bnx2 *bp) 836{ 837 int i, status_blk_size, err; 838 struct bnx2_napi *bnapi; 839 void *status_blk; 840 841 /* Combine status and statistics blocks into one allocation. */ 842 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block)); 843 if (bp->flags & BNX2_FLAG_MSIX_CAP) 844 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC * 845 BNX2_SBLK_MSIX_ALIGN_SIZE); 846 bp->status_stats_size = status_blk_size + 847 sizeof(struct statistics_block); 848 849 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size, 850 &bp->status_blk_mapping); 851 if (status_blk == NULL) 852 goto alloc_mem_err; 853 854 memset(status_blk, 0, bp->status_stats_size); 855 856 bnapi = &bp->bnx2_napi[0]; 857 bnapi->status_blk.msi = status_blk; 858 bnapi->hw_tx_cons_ptr = 859 &bnapi->status_blk.msi->status_tx_quick_consumer_index0; 860 bnapi->hw_rx_cons_ptr = 861 &bnapi->status_blk.msi->status_rx_quick_consumer_index0; 862 if (bp->flags & BNX2_FLAG_MSIX_CAP) { 863 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) { 864 struct status_block_msix *sblk; 865 866 bnapi = &bp->bnx2_napi[i]; 867 868 sblk = (void *) (status_blk + 869 BNX2_SBLK_MSIX_ALIGN_SIZE * i); 870 bnapi->status_blk.msix = sblk; 871 bnapi->hw_tx_cons_ptr = 872 &sblk->status_tx_quick_consumer_index; 873 bnapi->hw_rx_cons_ptr = 874 &sblk->status_rx_quick_consumer_index; 875 bnapi->int_num = i << 24; 876 } 877 } 878 879 bp->stats_blk = status_blk + status_blk_size; 880 881 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; 882 883 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 884 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE; 885 if (bp->ctx_pages == 0) 886 bp->ctx_pages = 1; 887 for (i = 0; i < bp->ctx_pages; i++) { 888 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev, 889 BCM_PAGE_SIZE, 890 &bp->ctx_blk_mapping[i]); 891 if (bp->ctx_blk[i] == NULL) 892 goto alloc_mem_err; 893 } 894 } 895 896 err = bnx2_alloc_rx_mem(bp); 897 if (err) 898 goto alloc_mem_err; 899 900 err = bnx2_alloc_tx_mem(bp); 901 if (err) 902 goto alloc_mem_err; 903 904 return 0; 905 906alloc_mem_err: 907 bnx2_free_mem(bp); 908 return -ENOMEM; 909} 910 911static void 912bnx2_report_fw_link(struct bnx2 *bp) 913{ 914 u32 fw_link_status = 0; 915 916 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 917 return; 918 919 if (bp->link_up) { 920 u32 bmsr; 921 922 switch (bp->line_speed) { 923 case SPEED_10: 924 if (bp->duplex == DUPLEX_HALF) 925 fw_link_status = BNX2_LINK_STATUS_10HALF; 926 else 927 fw_link_status = BNX2_LINK_STATUS_10FULL; 928 break; 929 case SPEED_100: 930 if (bp->duplex == DUPLEX_HALF) 931 fw_link_status = BNX2_LINK_STATUS_100HALF; 932 else 933 fw_link_status = BNX2_LINK_STATUS_100FULL; 934 break; 935 case SPEED_1000: 936 if (bp->duplex == DUPLEX_HALF) 937 fw_link_status = BNX2_LINK_STATUS_1000HALF; 938 else 939 fw_link_status = BNX2_LINK_STATUS_1000FULL; 940 break; 941 case SPEED_2500: 942 if (bp->duplex == DUPLEX_HALF) 943 fw_link_status = BNX2_LINK_STATUS_2500HALF; 944 else 945 fw_link_status = BNX2_LINK_STATUS_2500FULL; 946 break; 947 } 948 949 fw_link_status |= BNX2_LINK_STATUS_LINK_UP; 950 951 if (bp->autoneg) { 952 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED; 953 954 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 955 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 956 957 if (!(bmsr & BMSR_ANEGCOMPLETE) || 958 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) 959 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET; 960 else 961 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE; 962 } 963 } 964 else 965 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN; 966 967 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status); 968} 969 970static char * 971bnx2_xceiver_str(struct bnx2 *bp) 972{ 973 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" : 974 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" : 975 "Copper")); 976} 977 978static void 979bnx2_report_link(struct bnx2 *bp) 980{ 981 if (bp->link_up) { 982 netif_carrier_on(bp->dev); 983 printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name, 984 bnx2_xceiver_str(bp)); 985 986 printk("%d Mbps ", bp->line_speed); 987 988 if (bp->duplex == DUPLEX_FULL) 989 printk("full duplex"); 990 else 991 printk("half duplex"); 992 993 if (bp->flow_ctrl) { 994 if (bp->flow_ctrl & FLOW_CTRL_RX) { 995 printk(", receive "); 996 if (bp->flow_ctrl & FLOW_CTRL_TX) 997 printk("& transmit "); 998 } 999 else { 1000 printk(", transmit "); 1001 } 1002 printk("flow control ON"); 1003 } 1004 printk("\n"); 1005 } 1006 else { 1007 netif_carrier_off(bp->dev); 1008 printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name, 1009 bnx2_xceiver_str(bp)); 1010 } 1011 1012 bnx2_report_fw_link(bp); 1013} 1014 1015static void 1016bnx2_resolve_flow_ctrl(struct bnx2 *bp) 1017{ 1018 u32 local_adv, remote_adv; 1019 1020 bp->flow_ctrl = 0; 1021 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 1022 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { 1023 1024 if (bp->duplex == DUPLEX_FULL) { 1025 bp->flow_ctrl = bp->req_flow_ctrl; 1026 } 1027 return; 1028 } 1029 1030 if (bp->duplex != DUPLEX_FULL) { 1031 return; 1032 } 1033 1034 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1035 (CHIP_NUM(bp) == CHIP_NUM_5708)) { 1036 u32 val; 1037 1038 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); 1039 if (val & BCM5708S_1000X_STAT1_TX_PAUSE) 1040 bp->flow_ctrl |= FLOW_CTRL_TX; 1041 if (val & BCM5708S_1000X_STAT1_RX_PAUSE) 1042 bp->flow_ctrl |= FLOW_CTRL_RX; 1043 return; 1044 } 1045 1046 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1047 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1048 1049 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1050 u32 new_local_adv = 0; 1051 u32 new_remote_adv = 0; 1052 1053 if (local_adv & ADVERTISE_1000XPAUSE) 1054 new_local_adv |= ADVERTISE_PAUSE_CAP; 1055 if (local_adv & ADVERTISE_1000XPSE_ASYM) 1056 new_local_adv |= ADVERTISE_PAUSE_ASYM; 1057 if (remote_adv & ADVERTISE_1000XPAUSE) 1058 new_remote_adv |= ADVERTISE_PAUSE_CAP; 1059 if (remote_adv & ADVERTISE_1000XPSE_ASYM) 1060 new_remote_adv |= ADVERTISE_PAUSE_ASYM; 1061 1062 local_adv = new_local_adv; 1063 remote_adv = new_remote_adv; 1064 } 1065 1066 /* See Table 28B-3 of 802.3ab-1999 spec. */ 1067 if (local_adv & ADVERTISE_PAUSE_CAP) { 1068 if(local_adv & ADVERTISE_PAUSE_ASYM) { 1069 if (remote_adv & ADVERTISE_PAUSE_CAP) { 1070 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; 1071 } 1072 else if (remote_adv & ADVERTISE_PAUSE_ASYM) { 1073 bp->flow_ctrl = FLOW_CTRL_RX; 1074 } 1075 } 1076 else { 1077 if (remote_adv & ADVERTISE_PAUSE_CAP) { 1078 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; 1079 } 1080 } 1081 } 1082 else if (local_adv & ADVERTISE_PAUSE_ASYM) { 1083 if ((remote_adv & ADVERTISE_PAUSE_CAP) && 1084 (remote_adv & ADVERTISE_PAUSE_ASYM)) { 1085 1086 bp->flow_ctrl = FLOW_CTRL_TX; 1087 } 1088 } 1089} 1090 1091static int 1092bnx2_5709s_linkup(struct bnx2 *bp) 1093{ 1094 u32 val, speed; 1095 1096 bp->link_up = 1; 1097 1098 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS); 1099 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val); 1100 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1101 1102 if ((bp->autoneg & AUTONEG_SPEED) == 0) { 1103 bp->line_speed = bp->req_line_speed; 1104 bp->duplex = bp->req_duplex; 1105 return 0; 1106 } 1107 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK; 1108 switch (speed) { 1109 case MII_BNX2_GP_TOP_AN_SPEED_10: 1110 bp->line_speed = SPEED_10; 1111 break; 1112 case MII_BNX2_GP_TOP_AN_SPEED_100: 1113 bp->line_speed = SPEED_100; 1114 break; 1115 case MII_BNX2_GP_TOP_AN_SPEED_1G: 1116 case MII_BNX2_GP_TOP_AN_SPEED_1GKV: 1117 bp->line_speed = SPEED_1000; 1118 break; 1119 case MII_BNX2_GP_TOP_AN_SPEED_2_5G: 1120 bp->line_speed = SPEED_2500; 1121 break; 1122 } 1123 if (val & MII_BNX2_GP_TOP_AN_FD) 1124 bp->duplex = DUPLEX_FULL; 1125 else 1126 bp->duplex = DUPLEX_HALF; 1127 return 0; 1128} 1129 1130static int 1131bnx2_5708s_linkup(struct bnx2 *bp) 1132{ 1133 u32 val; 1134 1135 bp->link_up = 1; 1136 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); 1137 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) { 1138 case BCM5708S_1000X_STAT1_SPEED_10: 1139 bp->line_speed = SPEED_10; 1140 break; 1141 case BCM5708S_1000X_STAT1_SPEED_100: 1142 bp->line_speed = SPEED_100; 1143 break; 1144 case BCM5708S_1000X_STAT1_SPEED_1G: 1145 bp->line_speed = SPEED_1000; 1146 break; 1147 case BCM5708S_1000X_STAT1_SPEED_2G5: 1148 bp->line_speed = SPEED_2500; 1149 break; 1150 } 1151 if (val & BCM5708S_1000X_STAT1_FD) 1152 bp->duplex = DUPLEX_FULL; 1153 else 1154 bp->duplex = DUPLEX_HALF; 1155 1156 return 0; 1157} 1158 1159static int 1160bnx2_5706s_linkup(struct bnx2 *bp) 1161{ 1162 u32 bmcr, local_adv, remote_adv, common; 1163 1164 bp->link_up = 1; 1165 bp->line_speed = SPEED_1000; 1166 1167 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1168 if (bmcr & BMCR_FULLDPLX) { 1169 bp->duplex = DUPLEX_FULL; 1170 } 1171 else { 1172 bp->duplex = DUPLEX_HALF; 1173 } 1174 1175 if (!(bmcr & BMCR_ANENABLE)) { 1176 return 0; 1177 } 1178 1179 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1180 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1181 1182 common = local_adv & remote_adv; 1183 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) { 1184 1185 if (common & ADVERTISE_1000XFULL) { 1186 bp->duplex = DUPLEX_FULL; 1187 } 1188 else { 1189 bp->duplex = DUPLEX_HALF; 1190 } 1191 } 1192 1193 return 0; 1194} 1195 1196static int 1197bnx2_copper_linkup(struct bnx2 *bp) 1198{ 1199 u32 bmcr; 1200 1201 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1202 if (bmcr & BMCR_ANENABLE) { 1203 u32 local_adv, remote_adv, common; 1204 1205 bnx2_read_phy(bp, MII_CTRL1000, &local_adv); 1206 bnx2_read_phy(bp, MII_STAT1000, &remote_adv); 1207 1208 common = local_adv & (remote_adv >> 2); 1209 if (common & ADVERTISE_1000FULL) { 1210 bp->line_speed = SPEED_1000; 1211 bp->duplex = DUPLEX_FULL; 1212 } 1213 else if (common & ADVERTISE_1000HALF) { 1214 bp->line_speed = SPEED_1000; 1215 bp->duplex = DUPLEX_HALF; 1216 } 1217 else { 1218 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1219 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1220 1221 common = local_adv & remote_adv; 1222 if (common & ADVERTISE_100FULL) { 1223 bp->line_speed = SPEED_100; 1224 bp->duplex = DUPLEX_FULL; 1225 } 1226 else if (common & ADVERTISE_100HALF) { 1227 bp->line_speed = SPEED_100; 1228 bp->duplex = DUPLEX_HALF; 1229 } 1230 else if (common & ADVERTISE_10FULL) { 1231 bp->line_speed = SPEED_10; 1232 bp->duplex = DUPLEX_FULL; 1233 } 1234 else if (common & ADVERTISE_10HALF) { 1235 bp->line_speed = SPEED_10; 1236 bp->duplex = DUPLEX_HALF; 1237 } 1238 else { 1239 bp->line_speed = 0; 1240 bp->link_up = 0; 1241 } 1242 } 1243 } 1244 else { 1245 if (bmcr & BMCR_SPEED100) { 1246 bp->line_speed = SPEED_100; 1247 } 1248 else { 1249 bp->line_speed = SPEED_10; 1250 } 1251 if (bmcr & BMCR_FULLDPLX) { 1252 bp->duplex = DUPLEX_FULL; 1253 } 1254 else { 1255 bp->duplex = DUPLEX_HALF; 1256 } 1257 } 1258 1259 return 0; 1260} 1261 1262static void 1263bnx2_init_rx_context(struct bnx2 *bp, u32 cid) 1264{ 1265 u32 val, rx_cid_addr = GET_CID_ADDR(cid); 1266 1267 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; 1268 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2; 1269 val |= 0x02 << 8; 1270 1271 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 1272 u32 lo_water, hi_water; 1273 1274 if (bp->flow_ctrl & FLOW_CTRL_TX) 1275 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT; 1276 else 1277 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS; 1278 if (lo_water >= bp->rx_ring_size) 1279 lo_water = 0; 1280 1281 hi_water = bp->rx_ring_size / 4; 1282 1283 if (hi_water <= lo_water) 1284 lo_water = 0; 1285 1286 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE; 1287 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE; 1288 1289 if (hi_water > 0xf) 1290 hi_water = 0xf; 1291 else if (hi_water == 0) 1292 lo_water = 0; 1293 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT); 1294 } 1295 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val); 1296} 1297 1298static void 1299bnx2_init_all_rx_contexts(struct bnx2 *bp) 1300{ 1301 int i; 1302 u32 cid; 1303 1304 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) { 1305 if (i == 1) 1306 cid = RX_RSS_CID; 1307 bnx2_init_rx_context(bp, cid); 1308 } 1309} 1310 1311static void 1312bnx2_set_mac_link(struct bnx2 *bp) 1313{ 1314 u32 val; 1315 1316 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620); 1317 if (bp->link_up && (bp->line_speed == SPEED_1000) && 1318 (bp->duplex == DUPLEX_HALF)) { 1319 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff); 1320 } 1321 1322 /* Configure the EMAC mode register. */ 1323 val = REG_RD(bp, BNX2_EMAC_MODE); 1324 1325 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | 1326 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | 1327 BNX2_EMAC_MODE_25G_MODE); 1328 1329 if (bp->link_up) { 1330 switch (bp->line_speed) { 1331 case SPEED_10: 1332 if (CHIP_NUM(bp) != CHIP_NUM_5706) { 1333 val |= BNX2_EMAC_MODE_PORT_MII_10M; 1334 break; 1335 } 1336 /* fall through */ 1337 case SPEED_100: 1338 val |= BNX2_EMAC_MODE_PORT_MII; 1339 break; 1340 case SPEED_2500: 1341 val |= BNX2_EMAC_MODE_25G_MODE; 1342 /* fall through */ 1343 case SPEED_1000: 1344 val |= BNX2_EMAC_MODE_PORT_GMII; 1345 break; 1346 } 1347 } 1348 else { 1349 val |= BNX2_EMAC_MODE_PORT_GMII; 1350 } 1351 1352 /* Set the MAC to operate in the appropriate duplex mode. */ 1353 if (bp->duplex == DUPLEX_HALF) 1354 val |= BNX2_EMAC_MODE_HALF_DUPLEX; 1355 REG_WR(bp, BNX2_EMAC_MODE, val); 1356 1357 /* Enable/disable rx PAUSE. */ 1358 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN; 1359 1360 if (bp->flow_ctrl & FLOW_CTRL_RX) 1361 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN; 1362 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode); 1363 1364 /* Enable/disable tx PAUSE. */ 1365 val = REG_RD(bp, BNX2_EMAC_TX_MODE); 1366 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN; 1367 1368 if (bp->flow_ctrl & FLOW_CTRL_TX) 1369 val |= BNX2_EMAC_TX_MODE_FLOW_EN; 1370 REG_WR(bp, BNX2_EMAC_TX_MODE, val); 1371 1372 /* Acknowledge the interrupt. */ 1373 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE); 1374 1375 if (CHIP_NUM(bp) == CHIP_NUM_5709) 1376 bnx2_init_all_rx_contexts(bp); 1377} 1378 1379static void 1380bnx2_enable_bmsr1(struct bnx2 *bp) 1381{ 1382 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1383 (CHIP_NUM(bp) == CHIP_NUM_5709)) 1384 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1385 MII_BNX2_BLK_ADDR_GP_STATUS); 1386} 1387 1388static void 1389bnx2_disable_bmsr1(struct bnx2 *bp) 1390{ 1391 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1392 (CHIP_NUM(bp) == CHIP_NUM_5709)) 1393 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1394 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1395} 1396 1397static int 1398bnx2_test_and_enable_2g5(struct bnx2 *bp) 1399{ 1400 u32 up1; 1401 int ret = 1; 1402 1403 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1404 return 0; 1405 1406 if (bp->autoneg & AUTONEG_SPEED) 1407 bp->advertising |= ADVERTISED_2500baseX_Full; 1408 1409 if (CHIP_NUM(bp) == CHIP_NUM_5709) 1410 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 1411 1412 bnx2_read_phy(bp, bp->mii_up1, &up1); 1413 if (!(up1 & BCM5708S_UP1_2G5)) { 1414 up1 |= BCM5708S_UP1_2G5; 1415 bnx2_write_phy(bp, bp->mii_up1, up1); 1416 ret = 0; 1417 } 1418 1419 if (CHIP_NUM(bp) == CHIP_NUM_5709) 1420 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1421 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1422 1423 return ret; 1424} 1425 1426static int 1427bnx2_test_and_disable_2g5(struct bnx2 *bp) 1428{ 1429 u32 up1; 1430 int ret = 0; 1431 1432 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1433 return 0; 1434 1435 if (CHIP_NUM(bp) == CHIP_NUM_5709) 1436 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 1437 1438 bnx2_read_phy(bp, bp->mii_up1, &up1); 1439 if (up1 & BCM5708S_UP1_2G5) { 1440 up1 &= ~BCM5708S_UP1_2G5; 1441 bnx2_write_phy(bp, bp->mii_up1, up1); 1442 ret = 1; 1443 } 1444 1445 if (CHIP_NUM(bp) == CHIP_NUM_5709) 1446 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1447 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1448 1449 return ret; 1450} 1451 1452static void 1453bnx2_enable_forced_2g5(struct bnx2 *bp) 1454{ 1455 u32 bmcr; 1456 1457 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1458 return; 1459 1460 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 1461 u32 val; 1462 1463 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1464 MII_BNX2_BLK_ADDR_SERDES_DIG); 1465 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val); 1466 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK; 1467 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G; 1468 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); 1469 1470 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1471 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1472 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1473 1474 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { 1475 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1476 bmcr |= BCM5708S_BMCR_FORCE_2500; 1477 } else { 1478 return; 1479 } 1480 1481 if (bp->autoneg & AUTONEG_SPEED) { 1482 bmcr &= ~BMCR_ANENABLE; 1483 if (bp->req_duplex == DUPLEX_FULL) 1484 bmcr |= BMCR_FULLDPLX; 1485 } 1486 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 1487} 1488 1489static void 1490bnx2_disable_forced_2g5(struct bnx2 *bp) 1491{ 1492 u32 bmcr; 1493 1494 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1495 return; 1496 1497 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 1498 u32 val; 1499 1500 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1501 MII_BNX2_BLK_ADDR_SERDES_DIG); 1502 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val); 1503 val &= ~MII_BNX2_SD_MISC1_FORCE; 1504 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); 1505 1506 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1507 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1508 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1509 1510 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { 1511 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1512 bmcr &= ~BCM5708S_BMCR_FORCE_2500; 1513 } else { 1514 return; 1515 } 1516 1517 if (bp->autoneg & AUTONEG_SPEED) 1518 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART; 1519 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 1520} 1521 1522static void 1523bnx2_5706s_force_link_dn(struct bnx2 *bp, int start) 1524{ 1525 u32 val; 1526 1527 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL); 1528 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val); 1529 if (start) 1530 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f); 1531 else 1532 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0); 1533} 1534 1535static int 1536bnx2_set_link(struct bnx2 *bp) 1537{ 1538 u32 bmsr; 1539 u8 link_up; 1540 1541 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) { 1542 bp->link_up = 1; 1543 return 0; 1544 } 1545 1546 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 1547 return 0; 1548 1549 link_up = bp->link_up; 1550 1551 bnx2_enable_bmsr1(bp); 1552 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 1553 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 1554 bnx2_disable_bmsr1(bp); 1555 1556 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1557 (CHIP_NUM(bp) == CHIP_NUM_5706)) { 1558 u32 val, an_dbg; 1559 1560 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) { 1561 bnx2_5706s_force_link_dn(bp, 0); 1562 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN; 1563 } 1564 val = REG_RD(bp, BNX2_EMAC_STATUS); 1565 1566 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); 1567 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 1568 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 1569 1570 if ((val & BNX2_EMAC_STATUS_LINK) && 1571 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC)) 1572 bmsr |= BMSR_LSTATUS; 1573 else 1574 bmsr &= ~BMSR_LSTATUS; 1575 } 1576 1577 if (bmsr & BMSR_LSTATUS) { 1578 bp->link_up = 1; 1579 1580 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1581 if (CHIP_NUM(bp) == CHIP_NUM_5706) 1582 bnx2_5706s_linkup(bp); 1583 else if (CHIP_NUM(bp) == CHIP_NUM_5708) 1584 bnx2_5708s_linkup(bp); 1585 else if (CHIP_NUM(bp) == CHIP_NUM_5709) 1586 bnx2_5709s_linkup(bp); 1587 } 1588 else { 1589 bnx2_copper_linkup(bp); 1590 } 1591 bnx2_resolve_flow_ctrl(bp); 1592 } 1593 else { 1594 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1595 (bp->autoneg & AUTONEG_SPEED)) 1596 bnx2_disable_forced_2g5(bp); 1597 1598 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) { 1599 u32 bmcr; 1600 1601 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1602 bmcr |= BMCR_ANENABLE; 1603 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 1604 1605 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; 1606 } 1607 bp->link_up = 0; 1608 } 1609 1610 if (bp->link_up != link_up) { 1611 bnx2_report_link(bp); 1612 } 1613 1614 bnx2_set_mac_link(bp); 1615 1616 return 0; 1617} 1618 1619static int 1620bnx2_reset_phy(struct bnx2 *bp) 1621{ 1622 int i; 1623 u32 reg; 1624 1625 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET); 1626 1627#define PHY_RESET_MAX_WAIT 100 1628 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) { 1629 udelay(10); 1630 1631 bnx2_read_phy(bp, bp->mii_bmcr, &reg); 1632 if (!(reg & BMCR_RESET)) { 1633 udelay(20); 1634 break; 1635 } 1636 } 1637 if (i == PHY_RESET_MAX_WAIT) { 1638 return -EBUSY; 1639 } 1640 return 0; 1641} 1642 1643static u32 1644bnx2_phy_get_pause_adv(struct bnx2 *bp) 1645{ 1646 u32 adv = 0; 1647 1648 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) == 1649 (FLOW_CTRL_RX | FLOW_CTRL_TX)) { 1650 1651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1652 adv = ADVERTISE_1000XPAUSE; 1653 } 1654 else { 1655 adv = ADVERTISE_PAUSE_CAP; 1656 } 1657 } 1658 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) { 1659 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1660 adv = ADVERTISE_1000XPSE_ASYM; 1661 } 1662 else { 1663 adv = ADVERTISE_PAUSE_ASYM; 1664 } 1665 } 1666 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) { 1667 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1668 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM; 1669 } 1670 else { 1671 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; 1672 } 1673 } 1674 return adv; 1675} 1676 1677static int bnx2_fw_sync(struct bnx2 *, u32, int, int); 1678 1679static int 1680bnx2_setup_remote_phy(struct bnx2 *bp, u8 port) 1681__releases(&bp->phy_lock) 1682__acquires(&bp->phy_lock) 1683{ 1684 u32 speed_arg = 0, pause_adv; 1685 1686 pause_adv = bnx2_phy_get_pause_adv(bp); 1687 1688 if (bp->autoneg & AUTONEG_SPEED) { 1689 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG; 1690 if (bp->advertising & ADVERTISED_10baseT_Half) 1691 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF; 1692 if (bp->advertising & ADVERTISED_10baseT_Full) 1693 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL; 1694 if (bp->advertising & ADVERTISED_100baseT_Half) 1695 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF; 1696 if (bp->advertising & ADVERTISED_100baseT_Full) 1697 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL; 1698 if (bp->advertising & ADVERTISED_1000baseT_Full) 1699 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL; 1700 if (bp->advertising & ADVERTISED_2500baseX_Full) 1701 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL; 1702 } else { 1703 if (bp->req_line_speed == SPEED_2500) 1704 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL; 1705 else if (bp->req_line_speed == SPEED_1000) 1706 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL; 1707 else if (bp->req_line_speed == SPEED_100) { 1708 if (bp->req_duplex == DUPLEX_FULL) 1709 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL; 1710 else 1711 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF; 1712 } else if (bp->req_line_speed == SPEED_10) { 1713 if (bp->req_duplex == DUPLEX_FULL) 1714 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL; 1715 else 1716 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF; 1717 } 1718 } 1719 1720 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP)) 1721 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE; 1722 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM)) 1723 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE; 1724 1725 if (port == PORT_TP) 1726 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE | 1727 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED; 1728 1729 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg); 1730 1731 spin_unlock_bh(&bp->phy_lock); 1732 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0); 1733 spin_lock_bh(&bp->phy_lock); 1734 1735 return 0; 1736} 1737 1738static int 1739bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port) 1740__releases(&bp->phy_lock) 1741__acquires(&bp->phy_lock) 1742{ 1743 u32 adv, bmcr; 1744 u32 new_adv = 0; 1745 1746 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 1747 return (bnx2_setup_remote_phy(bp, port)); 1748 1749 if (!(bp->autoneg & AUTONEG_SPEED)) { 1750 u32 new_bmcr; 1751 int force_link_down = 0; 1752 1753 if (bp->req_line_speed == SPEED_2500) { 1754 if (!bnx2_test_and_enable_2g5(bp)) 1755 force_link_down = 1; 1756 } else if (bp->req_line_speed == SPEED_1000) { 1757 if (bnx2_test_and_disable_2g5(bp)) 1758 force_link_down = 1; 1759 } 1760 bnx2_read_phy(bp, bp->mii_adv, &adv); 1761 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF); 1762 1763 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1764 new_bmcr = bmcr & ~BMCR_ANENABLE; 1765 new_bmcr |= BMCR_SPEED1000; 1766 1767 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 1768 if (bp->req_line_speed == SPEED_2500) 1769 bnx2_enable_forced_2g5(bp); 1770 else if (bp->req_line_speed == SPEED_1000) { 1771 bnx2_disable_forced_2g5(bp); 1772 new_bmcr &= ~0x2000; 1773 } 1774 1775 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { 1776 if (bp->req_line_speed == SPEED_2500) 1777 new_bmcr |= BCM5708S_BMCR_FORCE_2500; 1778 else 1779 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500; 1780 } 1781 1782 if (bp->req_duplex == DUPLEX_FULL) { 1783 adv |= ADVERTISE_1000XFULL; 1784 new_bmcr |= BMCR_FULLDPLX; 1785 } 1786 else { 1787 adv |= ADVERTISE_1000XHALF; 1788 new_bmcr &= ~BMCR_FULLDPLX; 1789 } 1790 if ((new_bmcr != bmcr) || (force_link_down)) { 1791 /* Force a link down visible on the other side */ 1792 if (bp->link_up) { 1793 bnx2_write_phy(bp, bp->mii_adv, adv & 1794 ~(ADVERTISE_1000XFULL | 1795 ADVERTISE_1000XHALF)); 1796 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | 1797 BMCR_ANRESTART | BMCR_ANENABLE); 1798 1799 bp->link_up = 0; 1800 netif_carrier_off(bp->dev); 1801 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); 1802 bnx2_report_link(bp); 1803 } 1804 bnx2_write_phy(bp, bp->mii_adv, adv); 1805 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); 1806 } else { 1807 bnx2_resolve_flow_ctrl(bp); 1808 bnx2_set_mac_link(bp); 1809 } 1810 return 0; 1811 } 1812 1813 bnx2_test_and_enable_2g5(bp); 1814 1815 if (bp->advertising & ADVERTISED_1000baseT_Full) 1816 new_adv |= ADVERTISE_1000XFULL; 1817 1818 new_adv |= bnx2_phy_get_pause_adv(bp); 1819 1820 bnx2_read_phy(bp, bp->mii_adv, &adv); 1821 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1822 1823 bp->serdes_an_pending = 0; 1824 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) { 1825 /* Force a link down visible on the other side */ 1826 if (bp->link_up) { 1827 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); 1828 spin_unlock_bh(&bp->phy_lock); 1829 msleep(20); 1830 spin_lock_bh(&bp->phy_lock); 1831 } 1832 1833 bnx2_write_phy(bp, bp->mii_adv, new_adv); 1834 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | 1835 BMCR_ANENABLE); 1836 /* Speed up link-up time when the link partner 1837 * does not autonegotiate which is very common 1838 * in blade servers. Some blade servers use 1839 * IPMI for kerboard input and it's important 1840 * to minimize link disruptions. Autoneg. involves 1841 * exchanging base pages plus 3 next pages and 1842 * normally completes in about 120 msec. 1843 */ 1844 bp->current_interval = BNX2_SERDES_AN_TIMEOUT; 1845 bp->serdes_an_pending = 1; 1846 mod_timer(&bp->timer, jiffies + bp->current_interval); 1847 } else { 1848 bnx2_resolve_flow_ctrl(bp); 1849 bnx2_set_mac_link(bp); 1850 } 1851 1852 return 0; 1853} 1854 1855#define ETHTOOL_ALL_FIBRE_SPEED \ 1856 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \ 1857 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\ 1858 (ADVERTISED_1000baseT_Full) 1859 1860#define ETHTOOL_ALL_COPPER_SPEED \ 1861 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ 1862 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ 1863 ADVERTISED_1000baseT_Full) 1864 1865#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \ 1866 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA) 1867 1868#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL) 1869 1870static void 1871bnx2_set_default_remote_link(struct bnx2 *bp) 1872{ 1873 u32 link; 1874 1875 if (bp->phy_port == PORT_TP) 1876 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK); 1877 else 1878 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK); 1879 1880 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) { 1881 bp->req_line_speed = 0; 1882 bp->autoneg |= AUTONEG_SPEED; 1883 bp->advertising = ADVERTISED_Autoneg; 1884 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF) 1885 bp->advertising |= ADVERTISED_10baseT_Half; 1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL) 1887 bp->advertising |= ADVERTISED_10baseT_Full; 1888 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF) 1889 bp->advertising |= ADVERTISED_100baseT_Half; 1890 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL) 1891 bp->advertising |= ADVERTISED_100baseT_Full; 1892 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL) 1893 bp->advertising |= ADVERTISED_1000baseT_Full; 1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL) 1895 bp->advertising |= ADVERTISED_2500baseX_Full; 1896 } else { 1897 bp->autoneg = 0; 1898 bp->advertising = 0; 1899 bp->req_duplex = DUPLEX_FULL; 1900 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) { 1901 bp->req_line_speed = SPEED_10; 1902 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF) 1903 bp->req_duplex = DUPLEX_HALF; 1904 } 1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) { 1906 bp->req_line_speed = SPEED_100; 1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF) 1908 bp->req_duplex = DUPLEX_HALF; 1909 } 1910 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL) 1911 bp->req_line_speed = SPEED_1000; 1912 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL) 1913 bp->req_line_speed = SPEED_2500; 1914 } 1915} 1916 1917static void 1918bnx2_set_default_link(struct bnx2 *bp) 1919{ 1920 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 1921 bnx2_set_default_remote_link(bp); 1922 return; 1923 } 1924 1925 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL; 1926 bp->req_line_speed = 0; 1927 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1928 u32 reg; 1929 1930 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg; 1931 1932 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG); 1933 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK; 1934 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) { 1935 bp->autoneg = 0; 1936 bp->req_line_speed = bp->line_speed = SPEED_1000; 1937 bp->req_duplex = DUPLEX_FULL; 1938 } 1939 } else 1940 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg; 1941} 1942 1943static void 1944bnx2_send_heart_beat(struct bnx2 *bp) 1945{ 1946 u32 msg; 1947 u32 addr; 1948 1949 spin_lock(&bp->indirect_lock); 1950 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK); 1951 addr = bp->shmem_base + BNX2_DRV_PULSE_MB; 1952 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr); 1953 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg); 1954 spin_unlock(&bp->indirect_lock); 1955} 1956 1957static void 1958bnx2_remote_phy_event(struct bnx2 *bp) 1959{ 1960 u32 msg; 1961 u8 link_up = bp->link_up; 1962 u8 old_port; 1963 1964 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS); 1965 1966 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED) 1967 bnx2_send_heart_beat(bp); 1968 1969 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED; 1970 1971 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN) 1972 bp->link_up = 0; 1973 else { 1974 u32 speed; 1975 1976 bp->link_up = 1; 1977 speed = msg & BNX2_LINK_STATUS_SPEED_MASK; 1978 bp->duplex = DUPLEX_FULL; 1979 switch (speed) { 1980 case BNX2_LINK_STATUS_10HALF: 1981 bp->duplex = DUPLEX_HALF; 1982 case BNX2_LINK_STATUS_10FULL: 1983 bp->line_speed = SPEED_10; 1984 break; 1985 case BNX2_LINK_STATUS_100HALF: 1986 bp->duplex = DUPLEX_HALF; 1987 case BNX2_LINK_STATUS_100BASE_T4: 1988 case BNX2_LINK_STATUS_100FULL: 1989 bp->line_speed = SPEED_100; 1990 break; 1991 case BNX2_LINK_STATUS_1000HALF: 1992 bp->duplex = DUPLEX_HALF; 1993 case BNX2_LINK_STATUS_1000FULL: 1994 bp->line_speed = SPEED_1000; 1995 break; 1996 case BNX2_LINK_STATUS_2500HALF: 1997 bp->duplex = DUPLEX_HALF; 1998 case BNX2_LINK_STATUS_2500FULL: 1999 bp->line_speed = SPEED_2500; 2000 break; 2001 default: 2002 bp->line_speed = 0; 2003 break; 2004 } 2005 2006 bp->flow_ctrl = 0; 2007 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 2008 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { 2009 if (bp->duplex == DUPLEX_FULL) 2010 bp->flow_ctrl = bp->req_flow_ctrl; 2011 } else { 2012 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED) 2013 bp->flow_ctrl |= FLOW_CTRL_TX; 2014 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED) 2015 bp->flow_ctrl |= FLOW_CTRL_RX; 2016 } 2017 2018 old_port = bp->phy_port; 2019 if (msg & BNX2_LINK_STATUS_SERDES_LINK) 2020 bp->phy_port = PORT_FIBRE; 2021 else 2022 bp->phy_port = PORT_TP; 2023 2024 if (old_port != bp->phy_port) 2025 bnx2_set_default_link(bp); 2026 2027 } 2028 if (bp->link_up != link_up) 2029 bnx2_report_link(bp); 2030 2031 bnx2_set_mac_link(bp); 2032} 2033 2034static int 2035bnx2_set_remote_link(struct bnx2 *bp) 2036{ 2037 u32 evt_code; 2038 2039 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB); 2040 switch (evt_code) { 2041 case BNX2_FW_EVT_CODE_LINK_EVENT: 2042 bnx2_remote_phy_event(bp); 2043 break; 2044 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT: 2045 default: 2046 bnx2_send_heart_beat(bp); 2047 break; 2048 } 2049 return 0; 2050} 2051 2052static int 2053bnx2_setup_copper_phy(struct bnx2 *bp) 2054__releases(&bp->phy_lock) 2055__acquires(&bp->phy_lock) 2056{ 2057 u32 bmcr; 2058 u32 new_bmcr; 2059 2060 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 2061 2062 if (bp->autoneg & AUTONEG_SPEED) { 2063 u32 adv_reg, adv1000_reg; 2064 u32 new_adv_reg = 0; 2065 u32 new_adv1000_reg = 0; 2066 2067 bnx2_read_phy(bp, bp->mii_adv, &adv_reg); 2068 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP | 2069 ADVERTISE_PAUSE_ASYM); 2070 2071 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg); 2072 adv1000_reg &= PHY_ALL_1000_SPEED; 2073 2074 if (bp->advertising & ADVERTISED_10baseT_Half) 2075 new_adv_reg |= ADVERTISE_10HALF; 2076 if (bp->advertising & ADVERTISED_10baseT_Full) 2077 new_adv_reg |= ADVERTISE_10FULL; 2078 if (bp->advertising & ADVERTISED_100baseT_Half) 2079 new_adv_reg |= ADVERTISE_100HALF; 2080 if (bp->advertising & ADVERTISED_100baseT_Full) 2081 new_adv_reg |= ADVERTISE_100FULL; 2082 if (bp->advertising & ADVERTISED_1000baseT_Full) 2083 new_adv1000_reg |= ADVERTISE_1000FULL; 2084 2085 new_adv_reg |= ADVERTISE_CSMA; 2086 2087 new_adv_reg |= bnx2_phy_get_pause_adv(bp); 2088 2089 if ((adv1000_reg != new_adv1000_reg) || 2090 (adv_reg != new_adv_reg) || 2091 ((bmcr & BMCR_ANENABLE) == 0)) { 2092 2093 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg); 2094 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg); 2095 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART | 2096 BMCR_ANENABLE); 2097 } 2098 else if (bp->link_up) { 2099 /* Flow ctrl may have changed from auto to forced */ 2100 /* or vice-versa. */ 2101 2102 bnx2_resolve_flow_ctrl(bp); 2103 bnx2_set_mac_link(bp); 2104 } 2105 return 0; 2106 } 2107 2108 new_bmcr = 0; 2109 if (bp->req_line_speed == SPEED_100) { 2110 new_bmcr |= BMCR_SPEED100; 2111 } 2112 if (bp->req_duplex == DUPLEX_FULL) { 2113 new_bmcr |= BMCR_FULLDPLX; 2114 } 2115 if (new_bmcr != bmcr) { 2116 u32 bmsr; 2117 2118 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2119 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2120 2121 if (bmsr & BMSR_LSTATUS) { 2122 /* Force link down */ 2123 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); 2124 spin_unlock_bh(&bp->phy_lock); 2125 msleep(50); 2126 spin_lock_bh(&bp->phy_lock); 2127 2128 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2129 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2130 } 2131 2132 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); 2133 2134 /* Normally, the new speed is setup after the link has 2135 * gone down and up again. In some cases, link will not go 2136 * down so we need to set up the new speed here. 2137 */ 2138 if (bmsr & BMSR_LSTATUS) { 2139 bp->line_speed = bp->req_line_speed; 2140 bp->duplex = bp->req_duplex; 2141 bnx2_resolve_flow_ctrl(bp); 2142 bnx2_set_mac_link(bp); 2143 } 2144 } else { 2145 bnx2_resolve_flow_ctrl(bp); 2146 bnx2_set_mac_link(bp); 2147 } 2148 return 0; 2149} 2150 2151static int 2152bnx2_setup_phy(struct bnx2 *bp, u8 port) 2153__releases(&bp->phy_lock) 2154__acquires(&bp->phy_lock) 2155{ 2156 if (bp->loopback == MAC_LOOPBACK) 2157 return 0; 2158 2159 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 2160 return (bnx2_setup_serdes_phy(bp, port)); 2161 } 2162 else { 2163 return (bnx2_setup_copper_phy(bp)); 2164 } 2165} 2166 2167static int 2168bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy) 2169{ 2170 u32 val; 2171 2172 bp->mii_bmcr = MII_BMCR + 0x10; 2173 bp->mii_bmsr = MII_BMSR + 0x10; 2174 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1; 2175 bp->mii_adv = MII_ADVERTISE + 0x10; 2176 bp->mii_lpa = MII_LPA + 0x10; 2177 bp->mii_up1 = MII_BNX2_OVER1G_UP1; 2178 2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER); 2180 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD); 2181 2182 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 2183 if (reset_phy) 2184 bnx2_reset_phy(bp); 2185 2186 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG); 2187 2188 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val); 2189 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET; 2190 val |= MII_BNX2_SD_1000XCTL1_FIBER; 2191 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val); 2192 2193 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 2194 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val); 2195 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) 2196 val |= BCM5708S_UP1_2G5; 2197 else 2198 val &= ~BCM5708S_UP1_2G5; 2199 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val); 2200 2201 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG); 2202 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val); 2203 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM; 2204 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val); 2205 2206 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0); 2207 2208 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN | 2209 MII_BNX2_CL73_BAM_NP_AFT_BP_EN; 2210 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val); 2211 2212 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 2213 2214 return 0; 2215} 2216 2217static int 2218bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy) 2219{ 2220 u32 val; 2221 2222 if (reset_phy) 2223 bnx2_reset_phy(bp); 2224 2225 bp->mii_up1 = BCM5708S_UP1; 2226 2227 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3); 2228 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE); 2229 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); 2230 2231 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val); 2232 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN; 2233 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val); 2234 2235 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val); 2236 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN; 2237 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val); 2238 2239 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) { 2240 bnx2_read_phy(bp, BCM5708S_UP1, &val); 2241 val |= BCM5708S_UP1_2G5; 2242 bnx2_write_phy(bp, BCM5708S_UP1, val); 2243 } 2244 2245 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || 2246 (CHIP_ID(bp) == CHIP_ID_5708_B0) || 2247 (CHIP_ID(bp) == CHIP_ID_5708_B1)) { 2248 /* increase tx signal amplitude */ 2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2250 BCM5708S_BLK_ADDR_TX_MISC); 2251 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val); 2252 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM; 2253 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val); 2254 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); 2255 } 2256 2257 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) & 2258 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK; 2259 2260 if (val) { 2261 u32 is_backplane; 2262 2263 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); 2264 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) { 2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2266 BCM5708S_BLK_ADDR_TX_MISC); 2267 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val); 2268 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2269 BCM5708S_BLK_ADDR_DIG); 2270 } 2271 } 2272 return 0; 2273} 2274 2275static int 2276bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy) 2277{ 2278 if (reset_phy) 2279 bnx2_reset_phy(bp); 2280 2281 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; 2282 2283 if (CHIP_NUM(bp) == CHIP_NUM_5706) 2284 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300); 2285 2286 if (bp->dev->mtu > 1500) { 2287 u32 val; 2288 2289 /* Set extended packet length bit */ 2290 bnx2_write_phy(bp, 0x18, 0x7); 2291 bnx2_read_phy(bp, 0x18, &val); 2292 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000); 2293 2294 bnx2_write_phy(bp, 0x1c, 0x6c00); 2295 bnx2_read_phy(bp, 0x1c, &val); 2296 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02); 2297 } 2298 else { 2299 u32 val; 2300 2301 bnx2_write_phy(bp, 0x18, 0x7); 2302 bnx2_read_phy(bp, 0x18, &val); 2303 bnx2_write_phy(bp, 0x18, val & ~0x4007); 2304 2305 bnx2_write_phy(bp, 0x1c, 0x6c00); 2306 bnx2_read_phy(bp, 0x1c, &val); 2307 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00); 2308 } 2309 2310 return 0; 2311} 2312 2313static int 2314bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy) 2315{ 2316 u32 val; 2317 2318 if (reset_phy) 2319 bnx2_reset_phy(bp); 2320 2321 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) { 2322 bnx2_write_phy(bp, 0x18, 0x0c00); 2323 bnx2_write_phy(bp, 0x17, 0x000a); 2324 bnx2_write_phy(bp, 0x15, 0x310b); 2325 bnx2_write_phy(bp, 0x17, 0x201f); 2326 bnx2_write_phy(bp, 0x15, 0x9506); 2327 bnx2_write_phy(bp, 0x17, 0x401f); 2328 bnx2_write_phy(bp, 0x15, 0x14e2); 2329 bnx2_write_phy(bp, 0x18, 0x0400); 2330 } 2331 2332 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) { 2333 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, 2334 MII_BNX2_DSP_EXPAND_REG | 0x8); 2335 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val); 2336 val &= ~(1 << 8); 2337 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val); 2338 } 2339 2340 if (bp->dev->mtu > 1500) { 2341 /* Set extended packet length bit */ 2342 bnx2_write_phy(bp, 0x18, 0x7); 2343 bnx2_read_phy(bp, 0x18, &val); 2344 bnx2_write_phy(bp, 0x18, val | 0x4000); 2345 2346 bnx2_read_phy(bp, 0x10, &val); 2347 bnx2_write_phy(bp, 0x10, val | 0x1); 2348 } 2349 else { 2350 bnx2_write_phy(bp, 0x18, 0x7); 2351 bnx2_read_phy(bp, 0x18, &val); 2352 bnx2_write_phy(bp, 0x18, val & ~0x4007); 2353 2354 bnx2_read_phy(bp, 0x10, &val); 2355 bnx2_write_phy(bp, 0x10, val & ~0x1); 2356 } 2357 2358 /* ethernet@wirespeed */ 2359 bnx2_write_phy(bp, 0x18, 0x7007); 2360 bnx2_read_phy(bp, 0x18, &val); 2361 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4)); 2362 return 0; 2363} 2364 2365 2366static int 2367bnx2_init_phy(struct bnx2 *bp, int reset_phy) 2368__releases(&bp->phy_lock) 2369__acquires(&bp->phy_lock) 2370{ 2371 u32 val; 2372 int rc = 0; 2373 2374 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK; 2375 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY; 2376 2377 bp->mii_bmcr = MII_BMCR; 2378 bp->mii_bmsr = MII_BMSR; 2379 bp->mii_bmsr1 = MII_BMSR; 2380 bp->mii_adv = MII_ADVERTISE; 2381 bp->mii_lpa = MII_LPA; 2382 2383 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); 2384 2385 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 2386 goto setup_phy; 2387 2388 bnx2_read_phy(bp, MII_PHYSID1, &val); 2389 bp->phy_id = val << 16; 2390 bnx2_read_phy(bp, MII_PHYSID2, &val); 2391 bp->phy_id |= val & 0xffff; 2392 2393 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 2394 if (CHIP_NUM(bp) == CHIP_NUM_5706) 2395 rc = bnx2_init_5706s_phy(bp, reset_phy); 2396 else if (CHIP_NUM(bp) == CHIP_NUM_5708) 2397 rc = bnx2_init_5708s_phy(bp, reset_phy); 2398 else if (CHIP_NUM(bp) == CHIP_NUM_5709) 2399 rc = bnx2_init_5709s_phy(bp, reset_phy); 2400 } 2401 else { 2402 rc = bnx2_init_copper_phy(bp, reset_phy); 2403 } 2404 2405setup_phy: 2406 if (!rc) 2407 rc = bnx2_setup_phy(bp, bp->phy_port); 2408 2409 return rc; 2410} 2411 2412static int 2413bnx2_set_mac_loopback(struct bnx2 *bp) 2414{ 2415 u32 mac_mode; 2416 2417 mac_mode = REG_RD(bp, BNX2_EMAC_MODE); 2418 mac_mode &= ~BNX2_EMAC_MODE_PORT; 2419 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK; 2420 REG_WR(bp, BNX2_EMAC_MODE, mac_mode); 2421 bp->link_up = 1; 2422 return 0; 2423} 2424 2425static int bnx2_test_link(struct bnx2 *); 2426 2427static int 2428bnx2_set_phy_loopback(struct bnx2 *bp) 2429{ 2430 u32 mac_mode; 2431 int rc, i; 2432 2433 spin_lock_bh(&bp->phy_lock); 2434 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX | 2435 BMCR_SPEED1000); 2436 spin_unlock_bh(&bp->phy_lock); 2437 if (rc) 2438 return rc; 2439 2440 for (i = 0; i < 10; i++) { 2441 if (bnx2_test_link(bp) == 0) 2442 break; 2443 msleep(100); 2444 } 2445 2446 mac_mode = REG_RD(bp, BNX2_EMAC_MODE); 2447 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | 2448 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | 2449 BNX2_EMAC_MODE_25G_MODE); 2450 2451 mac_mode |= BNX2_EMAC_MODE_PORT_GMII; 2452 REG_WR(bp, BNX2_EMAC_MODE, mac_mode); 2453 bp->link_up = 1; 2454 return 0; 2455} 2456 2457static int 2458bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) 2459{ 2460 int i; 2461 u32 val; 2462 2463 bp->fw_wr_seq++; 2464 msg_data |= bp->fw_wr_seq; 2465 2466 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); 2467 2468 if (!ack) 2469 return 0; 2470 2471 /* wait for an acknowledgement. */ 2472 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) { 2473 msleep(10); 2474 2475 val = bnx2_shmem_rd(bp, BNX2_FW_MB); 2476 2477 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ)) 2478 break; 2479 } 2480 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0) 2481 return 0; 2482 2483 /* If we timed out, inform the firmware that this is the case. */ 2484 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) { 2485 if (!silent) 2486 printk(KERN_ERR PFX "fw sync timeout, reset code = " 2487 "%x\n", msg_data); 2488 2489 msg_data &= ~BNX2_DRV_MSG_CODE; 2490 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT; 2491 2492 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); 2493 2494 return -EBUSY; 2495 } 2496 2497 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK) 2498 return -EIO; 2499 2500 return 0; 2501} 2502 2503static int 2504bnx2_init_5709_context(struct bnx2 *bp) 2505{ 2506 int i, ret = 0; 2507 u32 val; 2508 2509 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12); 2510 val |= (BCM_PAGE_BITS - 8) << 16; 2511 REG_WR(bp, BNX2_CTX_COMMAND, val); 2512 for (i = 0; i < 10; i++) { 2513 val = REG_RD(bp, BNX2_CTX_COMMAND); 2514 if (!(val & BNX2_CTX_COMMAND_MEM_INIT)) 2515 break; 2516 udelay(2); 2517 } 2518 if (val & BNX2_CTX_COMMAND_MEM_INIT) 2519 return -EBUSY; 2520 2521 for (i = 0; i < bp->ctx_pages; i++) { 2522 int j; 2523 2524 if (bp->ctx_blk[i]) 2525 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE); 2526 else 2527 return -ENOMEM; 2528 2529 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0, 2530 (bp->ctx_blk_mapping[i] & 0xffffffff) | 2531 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID); 2532 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1, 2533 (u64) bp->ctx_blk_mapping[i] >> 32); 2534 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i | 2535 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); 2536 for (j = 0; j < 10; j++) { 2537 2538 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL); 2539 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ)) 2540 break; 2541 udelay(5); 2542 } 2543 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) { 2544 ret = -EBUSY; 2545 break; 2546 } 2547 } 2548 return ret; 2549} 2550 2551static void 2552bnx2_init_context(struct bnx2 *bp) 2553{ 2554 u32 vcid; 2555 2556 vcid = 96; 2557 while (vcid) { 2558 u32 vcid_addr, pcid_addr, offset; 2559 int i; 2560 2561 vcid--; 2562 2563 if (CHIP_ID(bp) == CHIP_ID_5706_A0) { 2564 u32 new_vcid; 2565 2566 vcid_addr = GET_PCID_ADDR(vcid); 2567 if (vcid & 0x8) { 2568 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7); 2569 } 2570 else { 2571 new_vcid = vcid; 2572 } 2573 pcid_addr = GET_PCID_ADDR(new_vcid); 2574 } 2575 else { 2576 vcid_addr = GET_CID_ADDR(vcid); 2577 pcid_addr = vcid_addr; 2578 } 2579 2580 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) { 2581 vcid_addr += (i << PHY_CTX_SHIFT); 2582 pcid_addr += (i << PHY_CTX_SHIFT); 2583 2584 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr); 2585 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr); 2586 2587 /* Zero out the context. */ 2588 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) 2589 bnx2_ctx_wr(bp, vcid_addr, offset, 0); 2590 } 2591 } 2592} 2593 2594static int 2595bnx2_alloc_bad_rbuf(struct bnx2 *bp) 2596{ 2597 u16 *good_mbuf; 2598 u32 good_mbuf_cnt; 2599 u32 val; 2600 2601 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL); 2602 if (good_mbuf == NULL) { 2603 printk(KERN_ERR PFX "Failed to allocate memory in " 2604 "bnx2_alloc_bad_rbuf\n"); 2605 return -ENOMEM; 2606 } 2607 2608 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 2609 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE); 2610 2611 good_mbuf_cnt = 0; 2612 2613 /* Allocate a bunch of mbufs and save the good ones in an array. */ 2614 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); 2615 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) { 2616 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND, 2617 BNX2_RBUF_COMMAND_ALLOC_REQ); 2618 2619 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC); 2620 2621 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE; 2622 2623 /* The addresses with Bit 9 set are bad memory blocks. */ 2624 if (!(val & (1 << 9))) { 2625 good_mbuf[good_mbuf_cnt] = (u16) val; 2626 good_mbuf_cnt++; 2627 } 2628 2629 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); 2630 } 2631 2632 /* Free the good ones back to the mbuf pool thus discarding 2633 * all the bad ones. */ 2634 while (good_mbuf_cnt) { 2635 good_mbuf_cnt--; 2636 2637 val = good_mbuf[good_mbuf_cnt]; 2638 val = (val << 9) | val | 1; 2639 2640 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val); 2641 } 2642 kfree(good_mbuf); 2643 return 0; 2644} 2645 2646static void 2647bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos) 2648{ 2649 u32 val; 2650 2651 val = (mac_addr[0] << 8) | mac_addr[1]; 2652 2653 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val); 2654 2655 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 2656 (mac_addr[4] << 8) | mac_addr[5]; 2657 2658 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val); 2659} 2660 2661static inline int 2662bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) 2663{ 2664 dma_addr_t mapping; 2665 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index]; 2666 struct rx_bd *rxbd = 2667 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)]; 2668 struct page *page = alloc_page(GFP_ATOMIC); 2669 2670 if (!page) 2671 return -ENOMEM; 2672 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE, 2673 PCI_DMA_FROMDEVICE); 2674 if (pci_dma_mapping_error(bp->pdev, mapping)) { 2675 __free_page(page); 2676 return -EIO; 2677 } 2678 2679 rx_pg->page = page; 2680 pci_unmap_addr_set(rx_pg, mapping, mapping); 2681 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; 2682 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; 2683 return 0; 2684} 2685 2686static void 2687bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) 2688{ 2689 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index]; 2690 struct page *page = rx_pg->page; 2691 2692 if (!page) 2693 return; 2694 2695 pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE, 2696 PCI_DMA_FROMDEVICE); 2697 2698 __free_page(page); 2699 rx_pg->page = NULL; 2700} 2701 2702static inline int 2703bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) 2704{ 2705 struct sk_buff *skb; 2706 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index]; 2707 dma_addr_t mapping; 2708 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)]; 2709 unsigned long align; 2710 2711 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); 2712 if (skb == NULL) { 2713 return -ENOMEM; 2714 } 2715 2716 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1)))) 2717 skb_reserve(skb, BNX2_RX_ALIGN - align); 2718 2719 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, 2720 PCI_DMA_FROMDEVICE); 2721 if (pci_dma_mapping_error(bp->pdev, mapping)) { 2722 dev_kfree_skb(skb); 2723 return -EIO; 2724 } 2725 2726 rx_buf->skb = skb; 2727 pci_unmap_addr_set(rx_buf, mapping, mapping); 2728 2729 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; 2730 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; 2731 2732 rxr->rx_prod_bseq += bp->rx_buf_use_size; 2733 2734 return 0; 2735} 2736 2737static int 2738bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event) 2739{ 2740 struct status_block *sblk = bnapi->status_blk.msi; 2741 u32 new_link_state, old_link_state; 2742 int is_set = 1; 2743 2744 new_link_state = sblk->status_attn_bits & event; 2745 old_link_state = sblk->status_attn_bits_ack & event; 2746 if (new_link_state != old_link_state) { 2747 if (new_link_state) 2748 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event); 2749 else 2750 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event); 2751 } else 2752 is_set = 0; 2753 2754 return is_set; 2755} 2756 2757static void 2758bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi) 2759{ 2760 spin_lock(&bp->phy_lock); 2761 2762 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) 2763 bnx2_set_link(bp); 2764 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT)) 2765 bnx2_set_remote_link(bp); 2766 2767 spin_unlock(&bp->phy_lock); 2768 2769} 2770 2771static inline u16 2772bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi) 2773{ 2774 u16 cons; 2775 2776 /* Tell compiler that status block fields can change. */ 2777 barrier(); 2778 cons = *bnapi->hw_tx_cons_ptr; 2779 barrier(); 2780 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT)) 2781 cons++; 2782 return cons; 2783} 2784 2785static int 2786bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) 2787{ 2788 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 2789 u16 hw_cons, sw_cons, sw_ring_cons; 2790 int tx_pkt = 0, index; 2791 struct netdev_queue *txq; 2792 2793 index = (bnapi - bp->bnx2_napi); 2794 txq = netdev_get_tx_queue(bp->dev, index); 2795 2796 hw_cons = bnx2_get_hw_tx_cons(bnapi); 2797 sw_cons = txr->tx_cons; 2798 2799 while (sw_cons != hw_cons) { 2800 struct sw_tx_bd *tx_buf; 2801 struct sk_buff *skb; 2802 int i, last; 2803 2804 sw_ring_cons = TX_RING_IDX(sw_cons); 2805 2806 tx_buf = &txr->tx_buf_ring[sw_ring_cons]; 2807 skb = tx_buf->skb; 2808 2809 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */ 2810 prefetch(&skb->end); 2811 2812 /* partial BD completions possible with TSO packets */ 2813 if (tx_buf->is_gso) { 2814 u16 last_idx, last_ring_idx; 2815 2816 last_idx = sw_cons + tx_buf->nr_frags + 1; 2817 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1; 2818 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) { 2819 last_idx++; 2820 } 2821 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) { 2822 break; 2823 } 2824 } 2825 2826 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping), 2827 skb_headlen(skb), PCI_DMA_TODEVICE); 2828 2829 tx_buf->skb = NULL; 2830 last = tx_buf->nr_frags; 2831 2832 for (i = 0; i < last; i++) { 2833 sw_cons = NEXT_TX_BD(sw_cons); 2834 2835 pci_unmap_page(bp->pdev, 2836 pci_unmap_addr( 2837 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)], 2838 mapping), 2839 skb_shinfo(skb)->frags[i].size, 2840 PCI_DMA_TODEVICE); 2841 } 2842 2843 sw_cons = NEXT_TX_BD(sw_cons); 2844 2845 dev_kfree_skb(skb); 2846 tx_pkt++; 2847 if (tx_pkt == budget) 2848 break; 2849 2850 if (hw_cons == sw_cons) 2851 hw_cons = bnx2_get_hw_tx_cons(bnapi); 2852 } 2853 2854 txr->hw_tx_cons = hw_cons; 2855 txr->tx_cons = sw_cons; 2856 2857 /* Need to make the tx_cons update visible to bnx2_start_xmit() 2858 * before checking for netif_tx_queue_stopped(). Without the 2859 * memory barrier, there is a small possibility that bnx2_start_xmit() 2860 * will miss it and cause the queue to be stopped forever. 2861 */ 2862 smp_mb(); 2863 2864 if (unlikely(netif_tx_queue_stopped(txq)) && 2865 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) { 2866 __netif_tx_lock(txq, smp_processor_id()); 2867 if ((netif_tx_queue_stopped(txq)) && 2868 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) 2869 netif_tx_wake_queue(txq); 2870 __netif_tx_unlock(txq); 2871 } 2872 2873 return tx_pkt; 2874} 2875 2876static void 2877bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, 2878 struct sk_buff *skb, int count) 2879{ 2880 struct sw_pg *cons_rx_pg, *prod_rx_pg; 2881 struct rx_bd *cons_bd, *prod_bd; 2882 int i; 2883 u16 hw_prod, prod; 2884 u16 cons = rxr->rx_pg_cons; 2885 2886 cons_rx_pg = &rxr->rx_pg_ring[cons]; 2887 2888 /* The caller was unable to allocate a new page to replace the 2889 * last one in the frags array, so we need to recycle that page 2890 * and then free the skb. 2891 */ 2892 if (skb) { 2893 struct page *page; 2894 struct skb_shared_info *shinfo; 2895 2896 shinfo = skb_shinfo(skb); 2897 shinfo->nr_frags--; 2898 page = shinfo->frags[shinfo->nr_frags].page; 2899 shinfo->frags[shinfo->nr_frags].page = NULL; 2900 2901 cons_rx_pg->page = page; 2902 dev_kfree_skb(skb); 2903 } 2904 2905 hw_prod = rxr->rx_pg_prod; 2906 2907 for (i = 0; i < count; i++) { 2908 prod = RX_PG_RING_IDX(hw_prod); 2909 2910 prod_rx_pg = &rxr->rx_pg_ring[prod]; 2911 cons_rx_pg = &rxr->rx_pg_ring[cons]; 2912 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)]; 2913 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)]; 2914 2915 if (prod != cons) { 2916 prod_rx_pg->page = cons_rx_pg->page; 2917 cons_rx_pg->page = NULL; 2918 pci_unmap_addr_set(prod_rx_pg, mapping, 2919 pci_unmap_addr(cons_rx_pg, mapping)); 2920 2921 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; 2922 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; 2923 2924 } 2925 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons)); 2926 hw_prod = NEXT_RX_BD(hw_prod); 2927 } 2928 rxr->rx_pg_prod = hw_prod; 2929 rxr->rx_pg_cons = cons; 2930} 2931 2932static inline void 2933bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, 2934 struct sk_buff *skb, u16 cons, u16 prod) 2935{ 2936 struct sw_bd *cons_rx_buf, *prod_rx_buf; 2937 struct rx_bd *cons_bd, *prod_bd; 2938 2939 cons_rx_buf = &rxr->rx_buf_ring[cons]; 2940 prod_rx_buf = &rxr->rx_buf_ring[prod]; 2941 2942 pci_dma_sync_single_for_device(bp->pdev, 2943 pci_unmap_addr(cons_rx_buf, mapping), 2944 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE); 2945 2946 rxr->rx_prod_bseq += bp->rx_buf_use_size; 2947 2948 prod_rx_buf->skb = skb; 2949 2950 if (cons == prod) 2951 return; 2952 2953 pci_unmap_addr_set(prod_rx_buf, mapping, 2954 pci_unmap_addr(cons_rx_buf, mapping)); 2955 2956 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)]; 2957 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)]; 2958 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; 2959 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; 2960} 2961 2962static int 2963bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, 2964 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr, 2965 u32 ring_idx) 2966{ 2967 int err; 2968 u16 prod = ring_idx & 0xffff; 2969 2970 err = bnx2_alloc_rx_skb(bp, rxr, prod); 2971 if (unlikely(err)) { 2972 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod); 2973 if (hdr_len) { 2974 unsigned int raw_len = len + 4; 2975 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT; 2976 2977 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); 2978 } 2979 return err; 2980 } 2981 2982 skb_reserve(skb, BNX2_RX_OFFSET); 2983 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size, 2984 PCI_DMA_FROMDEVICE); 2985 2986 if (hdr_len == 0) { 2987 skb_put(skb, len); 2988 return 0; 2989 } else { 2990 unsigned int i, frag_len, frag_size, pages; 2991 struct sw_pg *rx_pg; 2992 u16 pg_cons = rxr->rx_pg_cons; 2993 u16 pg_prod = rxr->rx_pg_prod; 2994 2995 frag_size = len + 4 - hdr_len; 2996 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT; 2997 skb_put(skb, hdr_len); 2998 2999 for (i = 0; i < pages; i++) { 3000 dma_addr_t mapping_old; 3001 3002 frag_len = min(frag_size, (unsigned int) PAGE_SIZE); 3003 if (unlikely(frag_len <= 4)) { 3004 unsigned int tail = 4 - frag_len; 3005 3006 rxr->rx_pg_cons = pg_cons; 3007 rxr->rx_pg_prod = pg_prod; 3008 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, 3009 pages - i); 3010 skb->len -= tail; 3011 if (i == 0) { 3012 skb->tail -= tail; 3013 } else { 3014 skb_frag_t *frag = 3015 &skb_shinfo(skb)->frags[i - 1]; 3016 frag->size -= tail; 3017 skb->data_len -= tail; 3018 skb->truesize -= tail; 3019 } 3020 return 0; 3021 } 3022 rx_pg = &rxr->rx_pg_ring[pg_cons]; 3023 3024 /* Don't unmap yet. If we're unable to allocate a new 3025 * page, we need to recycle the page and the DMA addr. 3026 */ 3027 mapping_old = pci_unmap_addr(rx_pg, mapping); 3028 if (i == pages - 1) 3029 frag_len -= 4; 3030 3031 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len); 3032 rx_pg->page = NULL; 3033 3034 err = bnx2_alloc_rx_page(bp, rxr, 3035 RX_PG_RING_IDX(pg_prod)); 3036 if (unlikely(err)) { 3037 rxr->rx_pg_cons = pg_cons; 3038 rxr->rx_pg_prod = pg_prod; 3039 bnx2_reuse_rx_skb_pages(bp, rxr, skb, 3040 pages - i); 3041 return err; 3042 } 3043 3044 pci_unmap_page(bp->pdev, mapping_old, 3045 PAGE_SIZE, PCI_DMA_FROMDEVICE); 3046 3047 frag_size -= frag_len; 3048 skb->data_len += frag_len; 3049 skb->truesize += frag_len; 3050 skb->len += frag_len; 3051 3052 pg_prod = NEXT_RX_BD(pg_prod); 3053 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons)); 3054 } 3055 rxr->rx_pg_prod = pg_prod; 3056 rxr->rx_pg_cons = pg_cons; 3057 } 3058 return 0; 3059} 3060 3061static inline u16 3062bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi) 3063{ 3064 u16 cons; 3065 3066 /* Tell compiler that status block fields can change. */ 3067 barrier(); 3068 cons = *bnapi->hw_rx_cons_ptr; 3069 barrier(); 3070 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)) 3071 cons++; 3072 return cons; 3073} 3074 3075static int 3076bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) 3077{ 3078 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3079 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod; 3080 struct l2_fhdr *rx_hdr; 3081 int rx_pkt = 0, pg_ring_used = 0; 3082 3083 hw_cons = bnx2_get_hw_rx_cons(bnapi); 3084 sw_cons = rxr->rx_cons; 3085 sw_prod = rxr->rx_prod; 3086 3087 /* Memory barrier necessary as speculative reads of the rx 3088 * buffer can be ahead of the index in the status block 3089 */ 3090 rmb(); 3091 while (sw_cons != hw_cons) { 3092 unsigned int len, hdr_len; 3093 u32 status; 3094 struct sw_bd *rx_buf; 3095 struct sk_buff *skb; 3096 dma_addr_t dma_addr; 3097 u16 vtag = 0; 3098 int hw_vlan __maybe_unused = 0; 3099 3100 sw_ring_cons = RX_RING_IDX(sw_cons); 3101 sw_ring_prod = RX_RING_IDX(sw_prod); 3102 3103 rx_buf = &rxr->rx_buf_ring[sw_ring_cons]; 3104 skb = rx_buf->skb; 3105 3106 rx_buf->skb = NULL; 3107 3108 dma_addr = pci_unmap_addr(rx_buf, mapping); 3109 3110 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr, 3111 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, 3112 PCI_DMA_FROMDEVICE); 3113 3114 rx_hdr = (struct l2_fhdr *) skb->data; 3115 len = rx_hdr->l2_fhdr_pkt_len; 3116 status = rx_hdr->l2_fhdr_status; 3117 3118 hdr_len = 0; 3119 if (status & L2_FHDR_STATUS_SPLIT) { 3120 hdr_len = rx_hdr->l2_fhdr_ip_xsum; 3121 pg_ring_used = 1; 3122 } else if (len > bp->rx_jumbo_thresh) { 3123 hdr_len = bp->rx_jumbo_thresh; 3124 pg_ring_used = 1; 3125 } 3126 3127 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC | 3128 L2_FHDR_ERRORS_PHY_DECODE | 3129 L2_FHDR_ERRORS_ALIGNMENT | 3130 L2_FHDR_ERRORS_TOO_SHORT | 3131 L2_FHDR_ERRORS_GIANT_FRAME))) { 3132 3133 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons, 3134 sw_ring_prod); 3135 if (pg_ring_used) { 3136 int pages; 3137 3138 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT; 3139 3140 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); 3141 } 3142 goto next_rx; 3143 } 3144 3145 len -= 4; 3146 3147 if (len <= bp->rx_copy_thresh) { 3148 struct sk_buff *new_skb; 3149 3150 new_skb = netdev_alloc_skb(bp->dev, len + 6); 3151 if (new_skb == NULL) { 3152 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons, 3153 sw_ring_prod); 3154 goto next_rx; 3155 } 3156 3157 /* aligned copy */ 3158 skb_copy_from_linear_data_offset(skb, 3159 BNX2_RX_OFFSET - 6, 3160 new_skb->data, len + 6); 3161 skb_reserve(new_skb, 6); 3162 skb_put(new_skb, len); 3163 3164 bnx2_reuse_rx_skb(bp, rxr, skb, 3165 sw_ring_cons, sw_ring_prod); 3166 3167 skb = new_skb; 3168 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len, 3169 dma_addr, (sw_ring_cons << 16) | sw_ring_prod))) 3170 goto next_rx; 3171 3172 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && 3173 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) { 3174 vtag = rx_hdr->l2_fhdr_vlan_tag; 3175#ifdef BCM_VLAN 3176 if (bp->vlgrp) 3177 hw_vlan = 1; 3178 else 3179#endif 3180 { 3181 struct vlan_ethhdr *ve = (struct vlan_ethhdr *) 3182 __skb_push(skb, 4); 3183 3184 memmove(ve, skb->data + 4, ETH_ALEN * 2); 3185 ve->h_vlan_proto = htons(ETH_P_8021Q); 3186 ve->h_vlan_TCI = htons(vtag); 3187 len += 4; 3188 } 3189 } 3190 3191 skb->protocol = eth_type_trans(skb, bp->dev); 3192 3193 if ((len > (bp->dev->mtu + ETH_HLEN)) && 3194 (ntohs(skb->protocol) != 0x8100)) { 3195 3196 dev_kfree_skb(skb); 3197 goto next_rx; 3198 3199 } 3200 3201 skb->ip_summed = CHECKSUM_NONE; 3202 if (bp->rx_csum && 3203 (status & (L2_FHDR_STATUS_TCP_SEGMENT | 3204 L2_FHDR_STATUS_UDP_DATAGRAM))) { 3205 3206 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM | 3207 L2_FHDR_ERRORS_UDP_XSUM)) == 0)) 3208 skb->ip_summed = CHECKSUM_UNNECESSARY; 3209 } 3210 3211 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]); 3212 3213#ifdef BCM_VLAN 3214 if (hw_vlan) 3215 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag); 3216 else 3217#endif 3218 netif_receive_skb(skb); 3219 3220 rx_pkt++; 3221 3222next_rx: 3223 sw_cons = NEXT_RX_BD(sw_cons); 3224 sw_prod = NEXT_RX_BD(sw_prod); 3225 3226 if ((rx_pkt == budget)) 3227 break; 3228 3229 /* Refresh hw_cons to see if there is new work */ 3230 if (sw_cons == hw_cons) { 3231 hw_cons = bnx2_get_hw_rx_cons(bnapi); 3232 rmb(); 3233 } 3234 } 3235 rxr->rx_cons = sw_cons; 3236 rxr->rx_prod = sw_prod; 3237 3238 if (pg_ring_used) 3239 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); 3240 3241 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod); 3242 3243 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); 3244 3245 mmiowb(); 3246 3247 return rx_pkt; 3248 3249} 3250 3251/* MSI ISR - The only difference between this and the INTx ISR 3252 * is that the MSI interrupt is always serviced. 3253 */ 3254static irqreturn_t 3255bnx2_msi(int irq, void *dev_instance) 3256{ 3257 struct bnx2_napi *bnapi = dev_instance; 3258 struct bnx2 *bp = bnapi->bp; 3259 3260 prefetch(bnapi->status_blk.msi); 3261 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3262 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | 3263 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 3264 3265 /* Return here if interrupt is disabled. */ 3266 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3267 return IRQ_HANDLED; 3268 3269 napi_schedule(&bnapi->napi); 3270 3271 return IRQ_HANDLED; 3272} 3273 3274static irqreturn_t 3275bnx2_msi_1shot(int irq, void *dev_instance) 3276{ 3277 struct bnx2_napi *bnapi = dev_instance; 3278 struct bnx2 *bp = bnapi->bp; 3279 3280 prefetch(bnapi->status_blk.msi); 3281 3282 /* Return here if interrupt is disabled. */ 3283 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3284 return IRQ_HANDLED; 3285 3286 napi_schedule(&bnapi->napi); 3287 3288 return IRQ_HANDLED; 3289} 3290 3291static irqreturn_t 3292bnx2_interrupt(int irq, void *dev_instance) 3293{ 3294 struct bnx2_napi *bnapi = dev_instance; 3295 struct bnx2 *bp = bnapi->bp; 3296 struct status_block *sblk = bnapi->status_blk.msi; 3297 3298 /* When using INTx, it is possible for the interrupt to arrive 3299 * at the CPU before the status block posted prior to the 3300 * interrupt. Reading a register will flush the status block. 3301 * When using MSI, the MSI message will always complete after 3302 * the status block write. 3303 */ 3304 if ((sblk->status_idx == bnapi->last_status_idx) && 3305 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) & 3306 BNX2_PCICFG_MISC_STATUS_INTA_VALUE)) 3307 return IRQ_NONE; 3308 3309 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3310 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | 3311 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 3312 3313 /* Read back to deassert IRQ immediately to avoid too many 3314 * spurious interrupts. 3315 */ 3316 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD); 3317 3318 /* Return here if interrupt is shared and is disabled. */ 3319 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3320 return IRQ_HANDLED; 3321 3322 if (napi_schedule_prep(&bnapi->napi)) { 3323 bnapi->last_status_idx = sblk->status_idx; 3324 __napi_schedule(&bnapi->napi); 3325 } 3326 3327 return IRQ_HANDLED; 3328} 3329 3330static inline int 3331bnx2_has_fast_work(struct bnx2_napi *bnapi) 3332{ 3333 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 3334 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3335 3336 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) || 3337 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)) 3338 return 1; 3339 return 0; 3340} 3341 3342#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \ 3343 STATUS_ATTN_BITS_TIMER_ABORT) 3344 3345static inline int 3346bnx2_has_work(struct bnx2_napi *bnapi) 3347{ 3348 struct status_block *sblk = bnapi->status_blk.msi; 3349 3350 if (bnx2_has_fast_work(bnapi)) 3351 return 1; 3352 3353#ifdef BCM_CNIC 3354 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx)) 3355 return 1; 3356#endif 3357 3358 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) != 3359 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS)) 3360 return 1; 3361 3362 return 0; 3363} 3364 3365static void 3366bnx2_chk_missed_msi(struct bnx2 *bp) 3367{ 3368 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 3369 u32 msi_ctrl; 3370 3371 if (bnx2_has_work(bnapi)) { 3372 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL); 3373 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE)) 3374 return; 3375 3376 if (bnapi->last_status_idx == bp->idle_chk_status_idx) { 3377 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl & 3378 ~BNX2_PCICFG_MSI_CONTROL_ENABLE); 3379 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl); 3380 bnx2_msi(bp->irq_tbl[0].vector, bnapi); 3381 } 3382 } 3383 3384 bp->idle_chk_status_idx = bnapi->last_status_idx; 3385} 3386 3387#ifdef BCM_CNIC 3388static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi) 3389{ 3390 struct cnic_ops *c_ops; 3391 3392 if (!bnapi->cnic_present) 3393 return; 3394 3395 rcu_read_lock(); 3396 c_ops = rcu_dereference(bp->cnic_ops); 3397 if (c_ops) 3398 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data, 3399 bnapi->status_blk.msi); 3400 rcu_read_unlock(); 3401} 3402#endif 3403 3404static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi) 3405{ 3406 struct status_block *sblk = bnapi->status_blk.msi; 3407 u32 status_attn_bits = sblk->status_attn_bits; 3408 u32 status_attn_bits_ack = sblk->status_attn_bits_ack; 3409 3410 if ((status_attn_bits & STATUS_ATTN_EVENTS) != 3411 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) { 3412 3413 bnx2_phy_int(bp, bnapi); 3414 3415 /* This is needed to take care of transient status 3416 * during link changes. 3417 */ 3418 REG_WR(bp, BNX2_HC_COMMAND, 3419 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 3420 REG_RD(bp, BNX2_HC_COMMAND); 3421 } 3422} 3423 3424static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi, 3425 int work_done, int budget) 3426{ 3427 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 3428 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3429 3430 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons) 3431 bnx2_tx_int(bp, bnapi, 0); 3432 3433 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) 3434 work_done += bnx2_rx_int(bp, bnapi, budget - work_done); 3435 3436 return work_done; 3437} 3438 3439static int bnx2_poll_msix(struct napi_struct *napi, int budget) 3440{ 3441 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); 3442 struct bnx2 *bp = bnapi->bp; 3443 int work_done = 0; 3444 struct status_block_msix *sblk = bnapi->status_blk.msix; 3445 3446 while (1) { 3447 work_done = bnx2_poll_work(bp, bnapi, work_done, budget); 3448 if (unlikely(work_done >= budget)) 3449 break; 3450 3451 bnapi->last_status_idx = sblk->status_idx; 3452 /* status idx must be read before checking for more work. */ 3453 rmb(); 3454 if (likely(!bnx2_has_fast_work(bnapi))) { 3455 3456 napi_complete(napi); 3457 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 3458 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3459 bnapi->last_status_idx); 3460 break; 3461 } 3462 } 3463 return work_done; 3464} 3465 3466static int bnx2_poll(struct napi_struct *napi, int budget) 3467{ 3468 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); 3469 struct bnx2 *bp = bnapi->bp; 3470 int work_done = 0; 3471 struct status_block *sblk = bnapi->status_blk.msi; 3472 3473 while (1) { 3474 bnx2_poll_link(bp, bnapi); 3475 3476 work_done = bnx2_poll_work(bp, bnapi, work_done, budget); 3477 3478#ifdef BCM_CNIC 3479 bnx2_poll_cnic(bp, bnapi); 3480#endif 3481 3482 /* bnapi->last_status_idx is used below to tell the hw how 3483 * much work has been processed, so we must read it before 3484 * checking for more work. 3485 */ 3486 bnapi->last_status_idx = sblk->status_idx; 3487 3488 if (unlikely(work_done >= budget)) 3489 break; 3490 3491 rmb(); 3492 if (likely(!bnx2_has_work(bnapi))) { 3493 napi_complete(napi); 3494 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) { 3495 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3496 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3497 bnapi->last_status_idx); 3498 break; 3499 } 3500 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3501 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3502 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | 3503 bnapi->last_status_idx); 3504 3505 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3506 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3507 bnapi->last_status_idx); 3508 break; 3509 } 3510 } 3511 3512 return work_done; 3513} 3514 3515/* Called with rtnl_lock from vlan functions and also netif_tx_lock 3516 * from set_multicast. 3517 */ 3518static void 3519bnx2_set_rx_mode(struct net_device *dev) 3520{ 3521 struct bnx2 *bp = netdev_priv(dev); 3522 u32 rx_mode, sort_mode; 3523 struct netdev_hw_addr *ha; 3524 int i; 3525 3526 if (!netif_running(dev)) 3527 return; 3528 3529 spin_lock_bh(&bp->phy_lock); 3530 3531 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | 3532 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG); 3533 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN; 3534#ifdef BCM_VLAN 3535 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) 3536 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; 3537#else 3538 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) 3539 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; 3540#endif 3541 if (dev->flags & IFF_PROMISC) { 3542 /* Promiscuous mode. */ 3543 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; 3544 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | 3545 BNX2_RPM_SORT_USER0_PROM_VLAN; 3546 } 3547 else if (dev->flags & IFF_ALLMULTI) { 3548 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3549 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3550 0xffffffff); 3551 } 3552 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN; 3553 } 3554 else { 3555 /* Accept one or more multicast(s). */ 3556 struct dev_mc_list *mclist; 3557 u32 mc_filter[NUM_MC_HASH_REGISTERS]; 3558 u32 regidx; 3559 u32 bit; 3560 u32 crc; 3561 3562 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS); 3563 3564 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; 3565 i++, mclist = mclist->next) { 3566 3567 crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr); 3568 bit = crc & 0xff; 3569 regidx = (bit & 0xe0) >> 5; 3570 bit &= 0x1f; 3571 mc_filter[regidx] |= (1 << bit); 3572 } 3573 3574 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3575 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3576 mc_filter[i]); 3577 } 3578 3579 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN; 3580 } 3581 3582 if (dev->uc.count > BNX2_MAX_UNICAST_ADDRESSES) { 3583 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; 3584 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | 3585 BNX2_RPM_SORT_USER0_PROM_VLAN; 3586 } else if (!(dev->flags & IFF_PROMISC)) { 3587 /* Add all entries into to the match filter list */ 3588 i = 0; 3589 list_for_each_entry(ha, &dev->uc.list, list) { 3590 bnx2_set_mac_addr(bp, ha->addr, 3591 i + BNX2_START_UNICAST_ADDRESS_INDEX); 3592 sort_mode |= (1 << 3593 (i + BNX2_START_UNICAST_ADDRESS_INDEX)); 3594 i++; 3595 } 3596 3597 } 3598 3599 if (rx_mode != bp->rx_mode) { 3600 bp->rx_mode = rx_mode; 3601 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode); 3602 } 3603 3604 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0); 3605 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode); 3606 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA); 3607 3608 spin_unlock_bh(&bp->phy_lock); 3609} 3610 3611static int __devinit 3612check_fw_section(const struct firmware *fw, 3613 const struct bnx2_fw_file_section *section, 3614 u32 alignment, bool non_empty) 3615{ 3616 u32 offset = be32_to_cpu(section->offset); 3617 u32 len = be32_to_cpu(section->len); 3618 3619 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3) 3620 return -EINVAL; 3621 if ((non_empty && len == 0) || len > fw->size - offset || 3622 len & (alignment - 1)) 3623 return -EINVAL; 3624 return 0; 3625} 3626 3627static int __devinit 3628check_mips_fw_entry(const struct firmware *fw, 3629 const struct bnx2_mips_fw_file_entry *entry) 3630{ 3631 if (check_fw_section(fw, &entry->text, 4, true) || 3632 check_fw_section(fw, &entry->data, 4, false) || 3633 check_fw_section(fw, &entry->rodata, 4, false)) 3634 return -EINVAL; 3635 return 0; 3636} 3637 3638static int __devinit 3639bnx2_request_firmware(struct bnx2 *bp) 3640{ 3641 const char *mips_fw_file, *rv2p_fw_file; 3642 const struct bnx2_mips_fw_file *mips_fw; 3643 const struct bnx2_rv2p_fw_file *rv2p_fw; 3644 int rc; 3645 3646 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 3647 mips_fw_file = FW_MIPS_FILE_09; 3648 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) || 3649 (CHIP_ID(bp) == CHIP_ID_5709_A1)) 3650 rv2p_fw_file = FW_RV2P_FILE_09_Ax; 3651 else 3652 rv2p_fw_file = FW_RV2P_FILE_09; 3653 } else { 3654 mips_fw_file = FW_MIPS_FILE_06; 3655 rv2p_fw_file = FW_RV2P_FILE_06; 3656 } 3657 3658 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev); 3659 if (rc) { 3660 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n", 3661 mips_fw_file); 3662 return rc; 3663 } 3664 3665 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev); 3666 if (rc) { 3667 printk(KERN_ERR PFX "Can't load firmware file \"%s\"\n", 3668 rv2p_fw_file); 3669 return rc; 3670 } 3671 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; 3672 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; 3673 if (bp->mips_firmware->size < sizeof(*mips_fw) || 3674 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) || 3675 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) || 3676 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) || 3677 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) || 3678 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) { 3679 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n", 3680 mips_fw_file); 3681 return -EINVAL; 3682 } 3683 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) || 3684 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) || 3685 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) { 3686 printk(KERN_ERR PFX "Firmware file \"%s\" is invalid\n", 3687 rv2p_fw_file); 3688 return -EINVAL; 3689 } 3690 3691 return 0; 3692} 3693 3694static u32 3695rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code) 3696{ 3697 switch (idx) { 3698 case RV2P_P1_FIXUP_PAGE_SIZE_IDX: 3699 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK; 3700 rv2p_code |= RV2P_BD_PAGE_SIZE; 3701 break; 3702 } 3703 return rv2p_code; 3704} 3705 3706static int 3707load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc, 3708 const struct bnx2_rv2p_fw_file_entry *fw_entry) 3709{ 3710 u32 rv2p_code_len, file_offset; 3711 __be32 *rv2p_code; 3712 int i; 3713 u32 val, cmd, addr; 3714 3715 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len); 3716 file_offset = be32_to_cpu(fw_entry->rv2p.offset); 3717 3718 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); 3719 3720 if (rv2p_proc == RV2P_PROC1) { 3721 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR; 3722 addr = BNX2_RV2P_PROC1_ADDR_CMD; 3723 } else { 3724 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR; 3725 addr = BNX2_RV2P_PROC2_ADDR_CMD; 3726 } 3727 3728 for (i = 0; i < rv2p_code_len; i += 8) { 3729 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code)); 3730 rv2p_code++; 3731 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code)); 3732 rv2p_code++; 3733 3734 val = (i / 8) | cmd; 3735 REG_WR(bp, addr, val); 3736 } 3737 3738 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); 3739 for (i = 0; i < 8; i++) { 3740 u32 loc, code; 3741 3742 loc = be32_to_cpu(fw_entry->fixup[i]); 3743 if (loc && ((loc * 4) < rv2p_code_len)) { 3744 code = be32_to_cpu(*(rv2p_code + loc - 1)); 3745 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code); 3746 code = be32_to_cpu(*(rv2p_code + loc)); 3747 code = rv2p_fw_fixup(rv2p_proc, i, loc, code); 3748 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code); 3749 3750 val = (loc / 2) | cmd; 3751 REG_WR(bp, addr, val); 3752 } 3753 } 3754 3755 /* Reset the processor, un-stall is done later. */ 3756 if (rv2p_proc == RV2P_PROC1) { 3757 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET); 3758 } 3759 else { 3760 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET); 3761 } 3762 3763 return 0; 3764} 3765 3766static int 3767load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, 3768 const struct bnx2_mips_fw_file_entry *fw_entry) 3769{ 3770 u32 addr, len, file_offset; 3771 __be32 *data; 3772 u32 offset; 3773 u32 val; 3774 3775 /* Halt the CPU. */ 3776 val = bnx2_reg_rd_ind(bp, cpu_reg->mode); 3777 val |= cpu_reg->mode_value_halt; 3778 bnx2_reg_wr_ind(bp, cpu_reg->mode, val); 3779 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); 3780 3781 /* Load the Text area. */ 3782 addr = be32_to_cpu(fw_entry->text.addr); 3783 len = be32_to_cpu(fw_entry->text.len); 3784 file_offset = be32_to_cpu(fw_entry->text.offset); 3785 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3786 3787 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3788 if (len) { 3789 int j; 3790 3791 for (j = 0; j < (len / 4); j++, offset += 4) 3792 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3793 } 3794 3795 /* Load the Data area. */ 3796 addr = be32_to_cpu(fw_entry->data.addr); 3797 len = be32_to_cpu(fw_entry->data.len); 3798 file_offset = be32_to_cpu(fw_entry->data.offset); 3799 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3800 3801 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3802 if (len) { 3803 int j; 3804 3805 for (j = 0; j < (len / 4); j++, offset += 4) 3806 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3807 } 3808 3809 /* Load the Read-Only area. */ 3810 addr = be32_to_cpu(fw_entry->rodata.addr); 3811 len = be32_to_cpu(fw_entry->rodata.len); 3812 file_offset = be32_to_cpu(fw_entry->rodata.offset); 3813 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3814 3815 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3816 if (len) { 3817 int j; 3818 3819 for (j = 0; j < (len / 4); j++, offset += 4) 3820 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3821 } 3822 3823 /* Clear the pre-fetch instruction. */ 3824 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0); 3825 3826 val = be32_to_cpu(fw_entry->start_addr); 3827 bnx2_reg_wr_ind(bp, cpu_reg->pc, val); 3828 3829 /* Start the CPU. */ 3830 val = bnx2_reg_rd_ind(bp, cpu_reg->mode); 3831 val &= ~cpu_reg->mode_value_halt; 3832 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); 3833 bnx2_reg_wr_ind(bp, cpu_reg->mode, val); 3834 3835 return 0; 3836} 3837 3838static int 3839bnx2_init_cpus(struct bnx2 *bp) 3840{ 3841 const struct bnx2_mips_fw_file *mips_fw = 3842 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; 3843 const struct bnx2_rv2p_fw_file *rv2p_fw = 3844 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; 3845 int rc; 3846 3847 /* Initialize the RV2P processor. */ 3848 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1); 3849 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2); 3850 3851 /* Initialize the RX Processor. */ 3852 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp); 3853 if (rc) 3854 goto init_cpu_err; 3855 3856 /* Initialize the TX Processor. */ 3857 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp); 3858 if (rc) 3859 goto init_cpu_err; 3860 3861 /* Initialize the TX Patch-up Processor. */ 3862 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat); 3863 if (rc) 3864 goto init_cpu_err; 3865 3866 /* Initialize the Completion Processor. */ 3867 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com); 3868 if (rc) 3869 goto init_cpu_err; 3870 3871 /* Initialize the Command Processor. */ 3872 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp); 3873 3874init_cpu_err: 3875 return rc; 3876} 3877 3878static int 3879bnx2_set_power_state(struct bnx2 *bp, pci_power_t state) 3880{ 3881 u16 pmcsr; 3882 3883 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); 3884 3885 switch (state) { 3886 case PCI_D0: { 3887 u32 val; 3888 3889 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, 3890 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) | 3891 PCI_PM_CTRL_PME_STATUS); 3892 3893 if (pmcsr & PCI_PM_CTRL_STATE_MASK) 3894 /* delay required during transition out of D3hot */ 3895 msleep(20); 3896 3897 val = REG_RD(bp, BNX2_EMAC_MODE); 3898 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD; 3899 val &= ~BNX2_EMAC_MODE_MPKT; 3900 REG_WR(bp, BNX2_EMAC_MODE, val); 3901 3902 val = REG_RD(bp, BNX2_RPM_CONFIG); 3903 val &= ~BNX2_RPM_CONFIG_ACPI_ENA; 3904 REG_WR(bp, BNX2_RPM_CONFIG, val); 3905 break; 3906 } 3907 case PCI_D3hot: { 3908 int i; 3909 u32 val, wol_msg; 3910 3911 if (bp->wol) { 3912 u32 advertising; 3913 u8 autoneg; 3914 3915 autoneg = bp->autoneg; 3916 advertising = bp->advertising; 3917 3918 if (bp->phy_port == PORT_TP) { 3919 bp->autoneg = AUTONEG_SPEED; 3920 bp->advertising = ADVERTISED_10baseT_Half | 3921 ADVERTISED_10baseT_Full | 3922 ADVERTISED_100baseT_Half | 3923 ADVERTISED_100baseT_Full | 3924 ADVERTISED_Autoneg; 3925 } 3926 3927 spin_lock_bh(&bp->phy_lock); 3928 bnx2_setup_phy(bp, bp->phy_port); 3929 spin_unlock_bh(&bp->phy_lock); 3930 3931 bp->autoneg = autoneg; 3932 bp->advertising = advertising; 3933 3934 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 3935 3936 val = REG_RD(bp, BNX2_EMAC_MODE); 3937 3938 /* Enable port mode. */ 3939 val &= ~BNX2_EMAC_MODE_PORT; 3940 val |= BNX2_EMAC_MODE_MPKT_RCVD | 3941 BNX2_EMAC_MODE_ACPI_RCVD | 3942 BNX2_EMAC_MODE_MPKT; 3943 if (bp->phy_port == PORT_TP) 3944 val |= BNX2_EMAC_MODE_PORT_MII; 3945 else { 3946 val |= BNX2_EMAC_MODE_PORT_GMII; 3947 if (bp->line_speed == SPEED_2500) 3948 val |= BNX2_EMAC_MODE_25G_MODE; 3949 } 3950 3951 REG_WR(bp, BNX2_EMAC_MODE, val); 3952 3953 /* receive all multicast */ 3954 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3955 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3956 0xffffffff); 3957 } 3958 REG_WR(bp, BNX2_EMAC_RX_MODE, 3959 BNX2_EMAC_RX_MODE_SORT_MODE); 3960 3961 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | 3962 BNX2_RPM_SORT_USER0_MC_EN; 3963 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0); 3964 REG_WR(bp, BNX2_RPM_SORT_USER0, val); 3965 REG_WR(bp, BNX2_RPM_SORT_USER0, val | 3966 BNX2_RPM_SORT_USER0_ENA); 3967 3968 /* Need to enable EMAC and RPM for WOL. */ 3969 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 3970 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE | 3971 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE | 3972 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE); 3973 3974 val = REG_RD(bp, BNX2_RPM_CONFIG); 3975 val &= ~BNX2_RPM_CONFIG_ACPI_ENA; 3976 REG_WR(bp, BNX2_RPM_CONFIG, val); 3977 3978 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL; 3979 } 3980 else { 3981 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; 3982 } 3983 3984 if (!(bp->flags & BNX2_FLAG_NO_WOL)) 3985 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 3986 1, 0); 3987 3988 pmcsr &= ~PCI_PM_CTRL_STATE_MASK; 3989 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || 3990 (CHIP_ID(bp) == CHIP_ID_5706_A1)) { 3991 3992 if (bp->wol) 3993 pmcsr |= 3; 3994 } 3995 else { 3996 pmcsr |= 3; 3997 } 3998 if (bp->wol) { 3999 pmcsr |= PCI_PM_CTRL_PME_ENABLE; 4000 } 4001 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, 4002 pmcsr); 4003 4004 /* No more memory access after this point until 4005 * device is brought back to D0. 4006 */ 4007 udelay(50); 4008 break; 4009 } 4010 default: 4011 return -EINVAL; 4012 } 4013 return 0; 4014} 4015 4016static int 4017bnx2_acquire_nvram_lock(struct bnx2 *bp) 4018{ 4019 u32 val; 4020 int j; 4021 4022 /* Request access to the flash interface. */ 4023 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2); 4024 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4025 val = REG_RD(bp, BNX2_NVM_SW_ARB); 4026 if (val & BNX2_NVM_SW_ARB_ARB_ARB2) 4027 break; 4028 4029 udelay(5); 4030 } 4031 4032 if (j >= NVRAM_TIMEOUT_COUNT) 4033 return -EBUSY; 4034 4035 return 0; 4036} 4037 4038static int 4039bnx2_release_nvram_lock(struct bnx2 *bp) 4040{ 4041 int j; 4042 u32 val; 4043 4044 /* Relinquish nvram interface. */ 4045 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2); 4046 4047 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4048 val = REG_RD(bp, BNX2_NVM_SW_ARB); 4049 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2)) 4050 break; 4051 4052 udelay(5); 4053 } 4054 4055 if (j >= NVRAM_TIMEOUT_COUNT) 4056 return -EBUSY; 4057 4058 return 0; 4059} 4060 4061 4062static int 4063bnx2_enable_nvram_write(struct bnx2 *bp) 4064{ 4065 u32 val; 4066 4067 val = REG_RD(bp, BNX2_MISC_CFG); 4068 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI); 4069 4070 if (bp->flash_info->flags & BNX2_NV_WREN) { 4071 int j; 4072 4073 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4074 REG_WR(bp, BNX2_NVM_COMMAND, 4075 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT); 4076 4077 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4078 udelay(5); 4079 4080 val = REG_RD(bp, BNX2_NVM_COMMAND); 4081 if (val & BNX2_NVM_COMMAND_DONE) 4082 break; 4083 } 4084 4085 if (j >= NVRAM_TIMEOUT_COUNT) 4086 return -EBUSY; 4087 } 4088 return 0; 4089} 4090 4091static void 4092bnx2_disable_nvram_write(struct bnx2 *bp) 4093{ 4094 u32 val; 4095 4096 val = REG_RD(bp, BNX2_MISC_CFG); 4097 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN); 4098} 4099 4100 4101static void 4102bnx2_enable_nvram_access(struct bnx2 *bp) 4103{ 4104 u32 val; 4105 4106 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE); 4107 /* Enable both bits, even on read. */ 4108 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 4109 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN); 4110} 4111 4112static void 4113bnx2_disable_nvram_access(struct bnx2 *bp) 4114{ 4115 u32 val; 4116 4117 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE); 4118 /* Disable both bits, even after read. */ 4119 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, 4120 val & ~(BNX2_NVM_ACCESS_ENABLE_EN | 4121 BNX2_NVM_ACCESS_ENABLE_WR_EN)); 4122} 4123 4124static int 4125bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset) 4126{ 4127 u32 cmd; 4128 int j; 4129 4130 if (bp->flash_info->flags & BNX2_NV_BUFFERED) 4131 /* Buffered flash, no erase needed */ 4132 return 0; 4133 4134 /* Build an erase command */ 4135 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR | 4136 BNX2_NVM_COMMAND_DOIT; 4137 4138 /* Need to clear DONE bit separately. */ 4139 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4140 4141 /* Address of the NVRAM to read from. */ 4142 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4143 4144 /* Issue an erase command. */ 4145 REG_WR(bp, BNX2_NVM_COMMAND, cmd); 4146 4147 /* Wait for completion. */ 4148 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4149 u32 val; 4150 4151 udelay(5); 4152 4153 val = REG_RD(bp, BNX2_NVM_COMMAND); 4154 if (val & BNX2_NVM_COMMAND_DONE) 4155 break; 4156 } 4157 4158 if (j >= NVRAM_TIMEOUT_COUNT) 4159 return -EBUSY; 4160 4161 return 0; 4162} 4163 4164static int 4165bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags) 4166{ 4167 u32 cmd; 4168 int j; 4169 4170 /* Build the command word. */ 4171 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags; 4172 4173 /* Calculate an offset of a buffered flash, not needed for 5709. */ 4174 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { 4175 offset = ((offset / bp->flash_info->page_size) << 4176 bp->flash_info->page_bits) + 4177 (offset % bp->flash_info->page_size); 4178 } 4179 4180 /* Need to clear DONE bit separately. */ 4181 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4182 4183 /* Address of the NVRAM to read from. */ 4184 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4185 4186 /* Issue a read command. */ 4187 REG_WR(bp, BNX2_NVM_COMMAND, cmd); 4188 4189 /* Wait for completion. */ 4190 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4191 u32 val; 4192 4193 udelay(5); 4194 4195 val = REG_RD(bp, BNX2_NVM_COMMAND); 4196 if (val & BNX2_NVM_COMMAND_DONE) { 4197 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ)); 4198 memcpy(ret_val, &v, 4); 4199 break; 4200 } 4201 } 4202 if (j >= NVRAM_TIMEOUT_COUNT) 4203 return -EBUSY; 4204 4205 return 0; 4206} 4207 4208 4209static int 4210bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags) 4211{ 4212 u32 cmd; 4213 __be32 val32; 4214 int j; 4215 4216 /* Build the command word. */ 4217 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags; 4218 4219 /* Calculate an offset of a buffered flash, not needed for 5709. */ 4220 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { 4221 offset = ((offset / bp->flash_info->page_size) << 4222 bp->flash_info->page_bits) + 4223 (offset % bp->flash_info->page_size); 4224 } 4225 4226 /* Need to clear DONE bit separately. */ 4227 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4228 4229 memcpy(&val32, val, 4); 4230 4231 /* Write the data. */ 4232 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32)); 4233 4234 /* Address of the NVRAM to write to. */ 4235 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4236 4237 /* Issue the write command. */ 4238 REG_WR(bp, BNX2_NVM_COMMAND, cmd); 4239 4240 /* Wait for completion. */ 4241 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4242 udelay(5); 4243 4244 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE) 4245 break; 4246 } 4247 if (j >= NVRAM_TIMEOUT_COUNT) 4248 return -EBUSY; 4249 4250 return 0; 4251} 4252 4253static int 4254bnx2_init_nvram(struct bnx2 *bp) 4255{ 4256 u32 val; 4257 int j, entry_count, rc = 0; 4258 const struct flash_spec *flash; 4259 4260 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 4261 bp->flash_info = &flash_5709; 4262 goto get_flash_size; 4263 } 4264 4265 /* Determine the selected interface. */ 4266 val = REG_RD(bp, BNX2_NVM_CFG1); 4267 4268 entry_count = ARRAY_SIZE(flash_table); 4269 4270 if (val & 0x40000000) { 4271 4272 /* Flash interface has been reconfigured */ 4273 for (j = 0, flash = &flash_table[0]; j < entry_count; 4274 j++, flash++) { 4275 if ((val & FLASH_BACKUP_STRAP_MASK) == 4276 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) { 4277 bp->flash_info = flash; 4278 break; 4279 } 4280 } 4281 } 4282 else { 4283 u32 mask; 4284 /* Not yet been reconfigured */ 4285 4286 if (val & (1 << 23)) 4287 mask = FLASH_BACKUP_STRAP_MASK; 4288 else 4289 mask = FLASH_STRAP_MASK; 4290 4291 for (j = 0, flash = &flash_table[0]; j < entry_count; 4292 j++, flash++) { 4293 4294 if ((val & mask) == (flash->strapping & mask)) { 4295 bp->flash_info = flash; 4296 4297 /* Request access to the flash interface. */ 4298 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4299 return rc; 4300 4301 /* Enable access to flash interface */ 4302 bnx2_enable_nvram_access(bp); 4303 4304 /* Reconfigure the flash interface */ 4305 REG_WR(bp, BNX2_NVM_CFG1, flash->config1); 4306 REG_WR(bp, BNX2_NVM_CFG2, flash->config2); 4307 REG_WR(bp, BNX2_NVM_CFG3, flash->config3); 4308 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1); 4309 4310 /* Disable access to flash interface */ 4311 bnx2_disable_nvram_access(bp); 4312 bnx2_release_nvram_lock(bp); 4313 4314 break; 4315 } 4316 } 4317 } /* if (val & 0x40000000) */ 4318 4319 if (j == entry_count) { 4320 bp->flash_info = NULL; 4321 printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n"); 4322 return -ENODEV; 4323 } 4324 4325get_flash_size: 4326 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2); 4327 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK; 4328 if (val) 4329 bp->flash_size = val; 4330 else 4331 bp->flash_size = bp->flash_info->total_size; 4332 4333 return rc; 4334} 4335 4336static int 4337bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf, 4338 int buf_size) 4339{ 4340 int rc = 0; 4341 u32 cmd_flags, offset32, len32, extra; 4342 4343 if (buf_size == 0) 4344 return 0; 4345 4346 /* Request access to the flash interface. */ 4347 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4348 return rc; 4349 4350 /* Enable access to flash interface */ 4351 bnx2_enable_nvram_access(bp); 4352 4353 len32 = buf_size; 4354 offset32 = offset; 4355 extra = 0; 4356 4357 cmd_flags = 0; 4358 4359 if (offset32 & 3) { 4360 u8 buf[4]; 4361 u32 pre_len; 4362 4363 offset32 &= ~3; 4364 pre_len = 4 - (offset & 3); 4365 4366 if (pre_len >= len32) { 4367 pre_len = len32; 4368 cmd_flags = BNX2_NVM_COMMAND_FIRST | 4369 BNX2_NVM_COMMAND_LAST; 4370 } 4371 else { 4372 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4373 } 4374 4375 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4376 4377 if (rc) 4378 return rc; 4379 4380 memcpy(ret_buf, buf + (offset & 3), pre_len); 4381 4382 offset32 += 4; 4383 ret_buf += pre_len; 4384 len32 -= pre_len; 4385 } 4386 if (len32 & 3) { 4387 extra = 4 - (len32 & 3); 4388 len32 = (len32 + 4) & ~3; 4389 } 4390 4391 if (len32 == 4) { 4392 u8 buf[4]; 4393 4394 if (cmd_flags) 4395 cmd_flags = BNX2_NVM_COMMAND_LAST; 4396 else 4397 cmd_flags = BNX2_NVM_COMMAND_FIRST | 4398 BNX2_NVM_COMMAND_LAST; 4399 4400 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4401 4402 memcpy(ret_buf, buf, 4 - extra); 4403 } 4404 else if (len32 > 0) { 4405 u8 buf[4]; 4406 4407 /* Read the first word. */ 4408 if (cmd_flags) 4409 cmd_flags = 0; 4410 else 4411 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4412 4413 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags); 4414 4415 /* Advance to the next dword. */ 4416 offset32 += 4; 4417 ret_buf += 4; 4418 len32 -= 4; 4419 4420 while (len32 > 4 && rc == 0) { 4421 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0); 4422 4423 /* Advance to the next dword. */ 4424 offset32 += 4; 4425 ret_buf += 4; 4426 len32 -= 4; 4427 } 4428 4429 if (rc) 4430 return rc; 4431 4432 cmd_flags = BNX2_NVM_COMMAND_LAST; 4433 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4434 4435 memcpy(ret_buf, buf, 4 - extra); 4436 } 4437 4438 /* Disable access to flash interface */ 4439 bnx2_disable_nvram_access(bp); 4440 4441 bnx2_release_nvram_lock(bp); 4442 4443 return rc; 4444} 4445 4446static int 4447bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, 4448 int buf_size) 4449{ 4450 u32 written, offset32, len32; 4451 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL; 4452 int rc = 0; 4453 int align_start, align_end; 4454 4455 buf = data_buf; 4456 offset32 = offset; 4457 len32 = buf_size; 4458 align_start = align_end = 0; 4459 4460 if ((align_start = (offset32 & 3))) { 4461 offset32 &= ~3; 4462 len32 += align_start; 4463 if (len32 < 4) 4464 len32 = 4; 4465 if ((rc = bnx2_nvram_read(bp, offset32, start, 4))) 4466 return rc; 4467 } 4468 4469 if (len32 & 3) { 4470 align_end = 4 - (len32 & 3); 4471 len32 += align_end; 4472 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4))) 4473 return rc; 4474 } 4475 4476 if (align_start || align_end) { 4477 align_buf = kmalloc(len32, GFP_KERNEL); 4478 if (align_buf == NULL) 4479 return -ENOMEM; 4480 if (align_start) { 4481 memcpy(align_buf, start, 4); 4482 } 4483 if (align_end) { 4484 memcpy(align_buf + len32 - 4, end, 4); 4485 } 4486 memcpy(align_buf + align_start, data_buf, buf_size); 4487 buf = align_buf; 4488 } 4489 4490 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4491 flash_buffer = kmalloc(264, GFP_KERNEL); 4492 if (flash_buffer == NULL) { 4493 rc = -ENOMEM; 4494 goto nvram_write_end; 4495 } 4496 } 4497 4498 written = 0; 4499 while ((written < len32) && (rc == 0)) { 4500 u32 page_start, page_end, data_start, data_end; 4501 u32 addr, cmd_flags; 4502 int i; 4503 4504 /* Find the page_start addr */ 4505 page_start = offset32 + written; 4506 page_start -= (page_start % bp->flash_info->page_size); 4507 /* Find the page_end addr */ 4508 page_end = page_start + bp->flash_info->page_size; 4509 /* Find the data_start addr */ 4510 data_start = (written == 0) ? offset32 : page_start; 4511 /* Find the data_end addr */ 4512 data_end = (page_end > offset32 + len32) ? 4513 (offset32 + len32) : page_end; 4514 4515 /* Request access to the flash interface. */ 4516 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4517 goto nvram_write_end; 4518 4519 /* Enable access to flash interface */ 4520 bnx2_enable_nvram_access(bp); 4521 4522 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4523 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4524 int j; 4525 4526 /* Read the whole page into the buffer 4527 * (non-buffer flash only) */ 4528 for (j = 0; j < bp->flash_info->page_size; j += 4) { 4529 if (j == (bp->flash_info->page_size - 4)) { 4530 cmd_flags |= BNX2_NVM_COMMAND_LAST; 4531 } 4532 rc = bnx2_nvram_read_dword(bp, 4533 page_start + j, 4534 &flash_buffer[j], 4535 cmd_flags); 4536 4537 if (rc) 4538 goto nvram_write_end; 4539 4540 cmd_flags = 0; 4541 } 4542 } 4543 4544 /* Enable writes to flash interface (unlock write-protect) */ 4545 if ((rc = bnx2_enable_nvram_write(bp)) != 0) 4546 goto nvram_write_end; 4547 4548 /* Loop to write back the buffer data from page_start to 4549 * data_start */ 4550 i = 0; 4551 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4552 /* Erase the page */ 4553 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0) 4554 goto nvram_write_end; 4555 4556 /* Re-enable the write again for the actual write */ 4557 bnx2_enable_nvram_write(bp); 4558 4559 for (addr = page_start; addr < data_start; 4560 addr += 4, i += 4) { 4561 4562 rc = bnx2_nvram_write_dword(bp, addr, 4563 &flash_buffer[i], cmd_flags); 4564 4565 if (rc != 0) 4566 goto nvram_write_end; 4567 4568 cmd_flags = 0; 4569 } 4570 } 4571 4572 /* Loop to write the new data from data_start to data_end */ 4573 for (addr = data_start; addr < data_end; addr += 4, i += 4) { 4574 if ((addr == page_end - 4) || 4575 ((bp->flash_info->flags & BNX2_NV_BUFFERED) && 4576 (addr == data_end - 4))) { 4577 4578 cmd_flags |= BNX2_NVM_COMMAND_LAST; 4579 } 4580 rc = bnx2_nvram_write_dword(bp, addr, buf, 4581 cmd_flags); 4582 4583 if (rc != 0) 4584 goto nvram_write_end; 4585 4586 cmd_flags = 0; 4587 buf += 4; 4588 } 4589 4590 /* Loop to write back the buffer data from data_end 4591 * to page_end */ 4592 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4593 for (addr = data_end; addr < page_end; 4594 addr += 4, i += 4) { 4595 4596 if (addr == page_end-4) { 4597 cmd_flags = BNX2_NVM_COMMAND_LAST; 4598 } 4599 rc = bnx2_nvram_write_dword(bp, addr, 4600 &flash_buffer[i], cmd_flags); 4601 4602 if (rc != 0) 4603 goto nvram_write_end; 4604 4605 cmd_flags = 0; 4606 } 4607 } 4608 4609 /* Disable writes to flash interface (lock write-protect) */ 4610 bnx2_disable_nvram_write(bp); 4611 4612 /* Disable access to flash interface */ 4613 bnx2_disable_nvram_access(bp); 4614 bnx2_release_nvram_lock(bp); 4615 4616 /* Increment written */ 4617 written += data_end - data_start; 4618 } 4619 4620nvram_write_end: 4621 kfree(flash_buffer); 4622 kfree(align_buf); 4623 return rc; 4624} 4625 4626static void 4627bnx2_init_fw_cap(struct bnx2 *bp) 4628{ 4629 u32 val, sig = 0; 4630 4631 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP; 4632 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN; 4633 4634 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE)) 4635 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; 4636 4637 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB); 4638 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE) 4639 return; 4640 4641 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) { 4642 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; 4643 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN; 4644 } 4645 4646 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 4647 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) { 4648 u32 link; 4649 4650 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP; 4651 4652 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS); 4653 if (link & BNX2_LINK_STATUS_SERDES_LINK) 4654 bp->phy_port = PORT_FIBRE; 4655 else 4656 bp->phy_port = PORT_TP; 4657 4658 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | 4659 BNX2_FW_CAP_REMOTE_PHY_CAPABLE; 4660 } 4661 4662 if (netif_running(bp->dev) && sig) 4663 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig); 4664} 4665 4666static void 4667bnx2_setup_msix_tbl(struct bnx2 *bp) 4668{ 4669 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN); 4670 4671 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR); 4672 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR); 4673} 4674 4675static int 4676bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) 4677{ 4678 u32 val; 4679 int i, rc = 0; 4680 u8 old_port; 4681 4682 /* Wait for the current PCI transaction to complete before 4683 * issuing a reset. */ 4684 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS, 4685 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE | 4686 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE | 4687 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE | 4688 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE); 4689 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS); 4690 udelay(5); 4691 4692 /* Wait for the firmware to tell us it is ok to issue a reset. */ 4693 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1); 4694 4695 /* Deposit a driver reset signature so the firmware knows that 4696 * this is a soft reset. */ 4697 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE, 4698 BNX2_DRV_RESET_SIGNATURE_MAGIC); 4699 4700 /* Do a dummy read to force the chip to complete all current transaction 4701 * before we issue a reset. */ 4702 val = REG_RD(bp, BNX2_MISC_ID); 4703 4704 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 4705 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET); 4706 REG_RD(bp, BNX2_MISC_COMMAND); 4707 udelay(5); 4708 4709 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4710 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4711 4712 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val); 4713 4714 } else { 4715 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4716 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4717 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4718 4719 /* Chip reset. */ 4720 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); 4721 4722 /* Reading back any register after chip reset will hang the 4723 * bus on 5706 A0 and A1. The msleep below provides plenty 4724 * of margin for write posting. 4725 */ 4726 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || 4727 (CHIP_ID(bp) == CHIP_ID_5706_A1)) 4728 msleep(20); 4729 4730 /* Reset takes approximate 30 usec */ 4731 for (i = 0; i < 10; i++) { 4732 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG); 4733 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4734 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) 4735 break; 4736 udelay(10); 4737 } 4738 4739 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4740 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { 4741 printk(KERN_ERR PFX "Chip reset did not complete\n"); 4742 return -EBUSY; 4743 } 4744 } 4745 4746 /* Make sure byte swapping is properly configured. */ 4747 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0); 4748 if (val != 0x01020304) { 4749 printk(KERN_ERR PFX "Chip not in correct endian mode\n"); 4750 return -ENODEV; 4751 } 4752 4753 /* Wait for the firmware to finish its initialization. */ 4754 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0); 4755 if (rc) 4756 return rc; 4757 4758 spin_lock_bh(&bp->phy_lock); 4759 old_port = bp->phy_port; 4760 bnx2_init_fw_cap(bp); 4761 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) && 4762 old_port != bp->phy_port) 4763 bnx2_set_default_remote_link(bp); 4764 spin_unlock_bh(&bp->phy_lock); 4765 4766 if (CHIP_ID(bp) == CHIP_ID_5706_A0) { 4767 /* Adjust the voltage regular to two steps lower. The default 4768 * of this register is 0x0000000e. */ 4769 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa); 4770 4771 /* Remove bad rbuf memory from the free pool. */ 4772 rc = bnx2_alloc_bad_rbuf(bp); 4773 } 4774 4775 if (bp->flags & BNX2_FLAG_USING_MSIX) 4776 bnx2_setup_msix_tbl(bp); 4777 4778 return rc; 4779} 4780 4781static int 4782bnx2_init_chip(struct bnx2 *bp) 4783{ 4784 u32 val, mtu; 4785 int rc, i; 4786 4787 /* Make sure the interrupt is not active. */ 4788 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 4789 4790 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP | 4791 BNX2_DMA_CONFIG_DATA_WORD_SWAP | 4792#ifdef __BIG_ENDIAN 4793 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | 4794#endif 4795 BNX2_DMA_CONFIG_CNTL_WORD_SWAP | 4796 DMA_READ_CHANS << 12 | 4797 DMA_WRITE_CHANS << 16; 4798 4799 val |= (0x2 << 20) | (1 << 11); 4800 4801 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133)) 4802 val |= (1 << 23); 4803 4804 if ((CHIP_NUM(bp) == CHIP_NUM_5706) && 4805 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX)) 4806 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA; 4807 4808 REG_WR(bp, BNX2_DMA_CONFIG, val); 4809 4810 if (CHIP_ID(bp) == CHIP_ID_5706_A0) { 4811 val = REG_RD(bp, BNX2_TDMA_CONFIG); 4812 val |= BNX2_TDMA_CONFIG_ONE_DMA; 4813 REG_WR(bp, BNX2_TDMA_CONFIG, val); 4814 } 4815 4816 if (bp->flags & BNX2_FLAG_PCIX) { 4817 u16 val16; 4818 4819 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, 4820 &val16); 4821 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, 4822 val16 & ~PCI_X_CMD_ERO); 4823 } 4824 4825 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 4826 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE | 4827 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE | 4828 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE); 4829 4830 /* Initialize context mapping and zero out the quick contexts. The 4831 * context block must have already been enabled. */ 4832 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 4833 rc = bnx2_init_5709_context(bp); 4834 if (rc) 4835 return rc; 4836 } else 4837 bnx2_init_context(bp); 4838 4839 if ((rc = bnx2_init_cpus(bp)) != 0) 4840 return rc; 4841 4842 bnx2_init_nvram(bp); 4843 4844 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 4845 4846 val = REG_RD(bp, BNX2_MQ_CONFIG); 4847 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE; 4848 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; 4849 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 4850 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE; 4851 if (CHIP_REV(bp) == CHIP_REV_Ax) 4852 val |= BNX2_MQ_CONFIG_HALT_DIS; 4853 } 4854 4855 REG_WR(bp, BNX2_MQ_CONFIG, val); 4856 4857 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE); 4858 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val); 4859 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val); 4860 4861 val = (BCM_PAGE_BITS - 8) << 24; 4862 REG_WR(bp, BNX2_RV2P_CONFIG, val); 4863 4864 /* Configure page size. */ 4865 val = REG_RD(bp, BNX2_TBDR_CONFIG); 4866 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE; 4867 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40; 4868 REG_WR(bp, BNX2_TBDR_CONFIG, val); 4869 4870 val = bp->mac_addr[0] + 4871 (bp->mac_addr[1] << 8) + 4872 (bp->mac_addr[2] << 16) + 4873 bp->mac_addr[3] + 4874 (bp->mac_addr[4] << 8) + 4875 (bp->mac_addr[5] << 16); 4876 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val); 4877 4878 /* Program the MTU. Also include 4 bytes for CRC32. */ 4879 mtu = bp->dev->mtu; 4880 val = mtu + ETH_HLEN + ETH_FCS_LEN; 4881 if (val > (MAX_ETHERNET_PACKET_SIZE + 4)) 4882 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA; 4883 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val); 4884 4885 if (mtu < 1500) 4886 mtu = 1500; 4887 4888 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu)); 4889 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu)); 4890 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu)); 4891 4892 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size); 4893 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) 4894 bp->bnx2_napi[i].last_status_idx = 0; 4895 4896 bp->idle_chk_status_idx = 0xffff; 4897 4898 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE; 4899 4900 /* Set up how to generate a link change interrupt. */ 4901 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); 4902 4903 REG_WR(bp, BNX2_HC_STATUS_ADDR_L, 4904 (u64) bp->status_blk_mapping & 0xffffffff); 4905 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32); 4906 4907 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L, 4908 (u64) bp->stats_blk_mapping & 0xffffffff); 4909 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H, 4910 (u64) bp->stats_blk_mapping >> 32); 4911 4912 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, 4913 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip); 4914 4915 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP, 4916 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip); 4917 4918 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP, 4919 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip); 4920 4921 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks); 4922 4923 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks); 4924 4925 REG_WR(bp, BNX2_HC_COM_TICKS, 4926 (bp->com_ticks_int << 16) | bp->com_ticks); 4927 4928 REG_WR(bp, BNX2_HC_CMD_TICKS, 4929 (bp->cmd_ticks_int << 16) | bp->cmd_ticks); 4930 4931 if (bp->flags & BNX2_FLAG_BROKEN_STATS) 4932 REG_WR(bp, BNX2_HC_STATS_TICKS, 0); 4933 else 4934 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks); 4935 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */ 4936 4937 if (CHIP_ID(bp) == CHIP_ID_5706_A1) 4938 val = BNX2_HC_CONFIG_COLLECT_STATS; 4939 else { 4940 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE | 4941 BNX2_HC_CONFIG_COLLECT_STATS; 4942 } 4943 4944 if (bp->irq_nvecs > 1) { 4945 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR, 4946 BNX2_HC_MSIX_BIT_VECTOR_VAL); 4947 4948 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B; 4949 } 4950 4951 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI) 4952 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM; 4953 4954 REG_WR(bp, BNX2_HC_CONFIG, val); 4955 4956 for (i = 1; i < bp->irq_nvecs; i++) { 4957 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) + 4958 BNX2_HC_SB_CONFIG_1; 4959 4960 REG_WR(bp, base, 4961 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE | 4962 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE | 4963 BNX2_HC_SB_CONFIG_1_ONE_SHOT); 4964 4965 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF, 4966 (bp->tx_quick_cons_trip_int << 16) | 4967 bp->tx_quick_cons_trip); 4968 4969 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF, 4970 (bp->tx_ticks_int << 16) | bp->tx_ticks); 4971 4972 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF, 4973 (bp->rx_quick_cons_trip_int << 16) | 4974 bp->rx_quick_cons_trip); 4975 4976 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF, 4977 (bp->rx_ticks_int << 16) | bp->rx_ticks); 4978 } 4979 4980 /* Clear internal stats counters. */ 4981 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW); 4982 4983 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS); 4984 4985 /* Initialize the receive filter. */ 4986 bnx2_set_rx_mode(bp->dev); 4987 4988 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 4989 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL); 4990 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE; 4991 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val); 4992 } 4993 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET, 4994 1, 0); 4995 4996 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT); 4997 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS); 4998 4999 udelay(20); 5000 5001 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND); 5002 5003 return rc; 5004} 5005 5006static void 5007bnx2_clear_ring_states(struct bnx2 *bp) 5008{ 5009 struct bnx2_napi *bnapi; 5010 struct bnx2_tx_ring_info *txr; 5011 struct bnx2_rx_ring_info *rxr; 5012 int i; 5013 5014 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 5015 bnapi = &bp->bnx2_napi[i]; 5016 txr = &bnapi->tx_ring; 5017 rxr = &bnapi->rx_ring; 5018 5019 txr->tx_cons = 0; 5020 txr->hw_tx_cons = 0; 5021 rxr->rx_prod_bseq = 0; 5022 rxr->rx_prod = 0; 5023 rxr->rx_cons = 0; 5024 rxr->rx_pg_prod = 0; 5025 rxr->rx_pg_cons = 0; 5026 } 5027} 5028 5029static void 5030bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr) 5031{ 5032 u32 val, offset0, offset1, offset2, offset3; 5033 u32 cid_addr = GET_CID_ADDR(cid); 5034 5035 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 5036 offset0 = BNX2_L2CTX_TYPE_XI; 5037 offset1 = BNX2_L2CTX_CMD_TYPE_XI; 5038 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; 5039 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; 5040 } else { 5041 offset0 = BNX2_L2CTX_TYPE; 5042 offset1 = BNX2_L2CTX_CMD_TYPE; 5043 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; 5044 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO; 5045 } 5046 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2; 5047 bnx2_ctx_wr(bp, cid_addr, offset0, val); 5048 5049 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); 5050 bnx2_ctx_wr(bp, cid_addr, offset1, val); 5051 5052 val = (u64) txr->tx_desc_mapping >> 32; 5053 bnx2_ctx_wr(bp, cid_addr, offset2, val); 5054 5055 val = (u64) txr->tx_desc_mapping & 0xffffffff; 5056 bnx2_ctx_wr(bp, cid_addr, offset3, val); 5057} 5058 5059static void 5060bnx2_init_tx_ring(struct bnx2 *bp, int ring_num) 5061{ 5062 struct tx_bd *txbd; 5063 u32 cid = TX_CID; 5064 struct bnx2_napi *bnapi; 5065 struct bnx2_tx_ring_info *txr; 5066 5067 bnapi = &bp->bnx2_napi[ring_num]; 5068 txr = &bnapi->tx_ring; 5069 5070 if (ring_num == 0) 5071 cid = TX_CID; 5072 else 5073 cid = TX_TSS_CID + ring_num - 1; 5074 5075 bp->tx_wake_thresh = bp->tx_ring_size / 2; 5076 5077 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT]; 5078 5079 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32; 5080 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff; 5081 5082 txr->tx_prod = 0; 5083 txr->tx_prod_bseq = 0; 5084 5085 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX; 5086 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ; 5087 5088 bnx2_init_tx_context(bp, cid, txr); 5089} 5090 5091static void 5092bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size, 5093 int num_rings) 5094{ 5095 int i; 5096 struct rx_bd *rxbd; 5097 5098 for (i = 0; i < num_rings; i++) { 5099 int j; 5100 5101 rxbd = &rx_ring[i][0]; 5102 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) { 5103 rxbd->rx_bd_len = buf_size; 5104 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END; 5105 } 5106 if (i == (num_rings - 1)) 5107 j = 0; 5108 else 5109 j = i + 1; 5110 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32; 5111 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff; 5112 } 5113} 5114 5115static void 5116bnx2_init_rx_ring(struct bnx2 *bp, int ring_num) 5117{ 5118 int i; 5119 u16 prod, ring_prod; 5120 u32 cid, rx_cid_addr, val; 5121 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num]; 5122 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5123 5124 if (ring_num == 0) 5125 cid = RX_CID; 5126 else 5127 cid = RX_RSS_CID + ring_num - 1; 5128 5129 rx_cid_addr = GET_CID_ADDR(cid); 5130 5131 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping, 5132 bp->rx_buf_use_size, bp->rx_max_ring); 5133 5134 bnx2_init_rx_context(bp, cid); 5135 5136 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 5137 val = REG_RD(bp, BNX2_MQ_MAP_L2_5); 5138 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM); 5139 } 5140 5141 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0); 5142 if (bp->rx_pg_ring_size) { 5143 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring, 5144 rxr->rx_pg_desc_mapping, 5145 PAGE_SIZE, bp->rx_max_pg_ring); 5146 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE; 5147 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val); 5148 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY, 5149 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num); 5150 5151 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32; 5152 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val); 5153 5154 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff; 5155 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val); 5156 5157 if (CHIP_NUM(bp) == CHIP_NUM_5709) 5158 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT); 5159 } 5160 5161 val = (u64) rxr->rx_desc_mapping[0] >> 32; 5162 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val); 5163 5164 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff; 5165 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val); 5166 5167 ring_prod = prod = rxr->rx_pg_prod; 5168 for (i = 0; i < bp->rx_pg_ring_size; i++) { 5169 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) { 5170 printk(KERN_WARNING PFX "%s: init'ed rx page ring %d " 5171 "with %d/%d pages only\n", 5172 bp->dev->name, ring_num, i, bp->rx_pg_ring_size); 5173 break; 5174 } 5175 prod = NEXT_RX_BD(prod); 5176 ring_prod = RX_PG_RING_IDX(prod); 5177 } 5178 rxr->rx_pg_prod = prod; 5179 5180 ring_prod = prod = rxr->rx_prod; 5181 for (i = 0; i < bp->rx_ring_size; i++) { 5182 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) { 5183 printk(KERN_WARNING PFX "%s: init'ed rx ring %d with " 5184 "%d/%d skbs only\n", 5185 bp->dev->name, ring_num, i, bp->rx_ring_size); 5186 break; 5187 } 5188 prod = NEXT_RX_BD(prod); 5189 ring_prod = RX_RING_IDX(prod); 5190 } 5191 rxr->rx_prod = prod; 5192 5193 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX; 5194 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ; 5195 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX; 5196 5197 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); 5198 REG_WR16(bp, rxr->rx_bidx_addr, prod); 5199 5200 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); 5201} 5202 5203static void 5204bnx2_init_all_rings(struct bnx2 *bp) 5205{ 5206 int i; 5207 u32 val; 5208 5209 bnx2_clear_ring_states(bp); 5210 5211 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0); 5212 for (i = 0; i < bp->num_tx_rings; i++) 5213 bnx2_init_tx_ring(bp, i); 5214 5215 if (bp->num_tx_rings > 1) 5216 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) | 5217 (TX_TSS_CID << 7)); 5218 5219 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0); 5220 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0); 5221 5222 for (i = 0; i < bp->num_rx_rings; i++) 5223 bnx2_init_rx_ring(bp, i); 5224 5225 if (bp->num_rx_rings > 1) { 5226 u32 tbl_32; 5227 u8 *tbl = (u8 *) &tbl_32; 5228 5229 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 5230 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES); 5231 5232 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) { 5233 tbl[i % 4] = i % (bp->num_rx_rings - 1); 5234 if ((i % 4) == 3) 5235 bnx2_reg_wr_ind(bp, 5236 BNX2_RXP_SCRATCH_RSS_TBL + i, 5237 cpu_to_be32(tbl_32)); 5238 } 5239 5240 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI | 5241 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI; 5242 5243 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val); 5244 5245 } 5246} 5247 5248static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size) 5249{ 5250 u32 max, num_rings = 1; 5251 5252 while (ring_size > MAX_RX_DESC_CNT) { 5253 ring_size -= MAX_RX_DESC_CNT; 5254 num_rings++; 5255 } 5256 /* round to next power of 2 */ 5257 max = max_size; 5258 while ((max & num_rings) == 0) 5259 max >>= 1; 5260 5261 if (num_rings != max) 5262 max <<= 1; 5263 5264 return max; 5265} 5266 5267static void 5268bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) 5269{ 5270 u32 rx_size, rx_space, jumbo_size; 5271 5272 /* 8 for CRC and VLAN */ 5273 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8; 5274 5275 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD + 5276 sizeof(struct skb_shared_info); 5277 5278 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH; 5279 bp->rx_pg_ring_size = 0; 5280 bp->rx_max_pg_ring = 0; 5281 bp->rx_max_pg_ring_idx = 0; 5282 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) { 5283 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT; 5284 5285 jumbo_size = size * pages; 5286 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT) 5287 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT; 5288 5289 bp->rx_pg_ring_size = jumbo_size; 5290 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size, 5291 MAX_RX_PG_RINGS); 5292 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1; 5293 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET; 5294 bp->rx_copy_thresh = 0; 5295 } 5296 5297 bp->rx_buf_use_size = rx_size; 5298 /* hw alignment */ 5299 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; 5300 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET; 5301 bp->rx_ring_size = size; 5302 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS); 5303 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1; 5304} 5305 5306static void 5307bnx2_free_tx_skbs(struct bnx2 *bp) 5308{ 5309 int i; 5310 5311 for (i = 0; i < bp->num_tx_rings; i++) { 5312 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 5313 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 5314 int j; 5315 5316 if (txr->tx_buf_ring == NULL) 5317 continue; 5318 5319 for (j = 0; j < TX_DESC_CNT; ) { 5320 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; 5321 struct sk_buff *skb = tx_buf->skb; 5322 int k, last; 5323 5324 if (skb == NULL) { 5325 j++; 5326 continue; 5327 } 5328 5329 pci_unmap_single(bp->pdev, 5330 pci_unmap_addr(tx_buf, mapping), 5331 skb_headlen(skb), 5332 PCI_DMA_TODEVICE); 5333 5334 tx_buf->skb = NULL; 5335 5336 last = tx_buf->nr_frags; 5337 j++; 5338 for (k = 0; k < last; k++, j++) { 5339 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)]; 5340 pci_unmap_page(bp->pdev, 5341 pci_unmap_addr(tx_buf, mapping), 5342 skb_shinfo(skb)->frags[k].size, 5343 PCI_DMA_TODEVICE); 5344 } 5345 dev_kfree_skb(skb); 5346 } 5347 } 5348} 5349 5350static void 5351bnx2_free_rx_skbs(struct bnx2 *bp) 5352{ 5353 int i; 5354 5355 for (i = 0; i < bp->num_rx_rings; i++) { 5356 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 5357 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5358 int j; 5359 5360 if (rxr->rx_buf_ring == NULL) 5361 return; 5362 5363 for (j = 0; j < bp->rx_max_ring_idx; j++) { 5364 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j]; 5365 struct sk_buff *skb = rx_buf->skb; 5366 5367 if (skb == NULL) 5368 continue; 5369 5370 pci_unmap_single(bp->pdev, 5371 pci_unmap_addr(rx_buf, mapping), 5372 bp->rx_buf_use_size, 5373 PCI_DMA_FROMDEVICE); 5374 5375 rx_buf->skb = NULL; 5376 5377 dev_kfree_skb(skb); 5378 } 5379 for (j = 0; j < bp->rx_max_pg_ring_idx; j++) 5380 bnx2_free_rx_page(bp, rxr, j); 5381 } 5382} 5383 5384static void 5385bnx2_free_skbs(struct bnx2 *bp) 5386{ 5387 bnx2_free_tx_skbs(bp); 5388 bnx2_free_rx_skbs(bp); 5389} 5390 5391static int 5392bnx2_reset_nic(struct bnx2 *bp, u32 reset_code) 5393{ 5394 int rc; 5395 5396 rc = bnx2_reset_chip(bp, reset_code); 5397 bnx2_free_skbs(bp); 5398 if (rc) 5399 return rc; 5400 5401 if ((rc = bnx2_init_chip(bp)) != 0) 5402 return rc; 5403 5404 bnx2_init_all_rings(bp); 5405 return 0; 5406} 5407 5408static int 5409bnx2_init_nic(struct bnx2 *bp, int reset_phy) 5410{ 5411 int rc; 5412 5413 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0) 5414 return rc; 5415 5416 spin_lock_bh(&bp->phy_lock); 5417 bnx2_init_phy(bp, reset_phy); 5418 bnx2_set_link(bp); 5419 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 5420 bnx2_remote_phy_event(bp); 5421 spin_unlock_bh(&bp->phy_lock); 5422 return 0; 5423} 5424 5425static int 5426bnx2_shutdown_chip(struct bnx2 *bp) 5427{ 5428 u32 reset_code; 5429 5430 if (bp->flags & BNX2_FLAG_NO_WOL) 5431 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; 5432 else if (bp->wol) 5433 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; 5434 else 5435 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; 5436 5437 return bnx2_reset_chip(bp, reset_code); 5438} 5439 5440static int 5441bnx2_test_registers(struct bnx2 *bp) 5442{ 5443 int ret; 5444 int i, is_5709; 5445 static const struct { 5446 u16 offset; 5447 u16 flags; 5448#define BNX2_FL_NOT_5709 1 5449 u32 rw_mask; 5450 u32 ro_mask; 5451 } reg_tbl[] = { 5452 { 0x006c, 0, 0x00000000, 0x0000003f }, 5453 { 0x0090, 0, 0xffffffff, 0x00000000 }, 5454 { 0x0094, 0, 0x00000000, 0x00000000 }, 5455 5456 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 }, 5457 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5458 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5459 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff }, 5460 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 }, 5461 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, 5462 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff }, 5463 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5464 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5465 5466 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5467 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5468 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5469 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5470 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5471 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5472 5473 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, 5474 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 }, 5475 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 }, 5476 5477 { 0x1000, 0, 0x00000000, 0x00000001 }, 5478 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 }, 5479 5480 { 0x1408, 0, 0x01c00800, 0x00000000 }, 5481 { 0x149c, 0, 0x8000ffff, 0x00000000 }, 5482 { 0x14a8, 0, 0x00000000, 0x000001ff }, 5483 { 0x14ac, 0, 0x0fffffff, 0x10000000 }, 5484 { 0x14b0, 0, 0x00000002, 0x00000001 }, 5485 { 0x14b8, 0, 0x00000000, 0x00000000 }, 5486 { 0x14c0, 0, 0x00000000, 0x00000009 }, 5487 { 0x14c4, 0, 0x00003fff, 0x00000000 }, 5488 { 0x14cc, 0, 0x00000000, 0x00000001 }, 5489 { 0x14d0, 0, 0xffffffff, 0x00000000 }, 5490 5491 { 0x1800, 0, 0x00000000, 0x00000001 }, 5492 { 0x1804, 0, 0x00000000, 0x00000003 }, 5493 5494 { 0x2800, 0, 0x00000000, 0x00000001 }, 5495 { 0x2804, 0, 0x00000000, 0x00003f01 }, 5496 { 0x2808, 0, 0x0f3f3f03, 0x00000000 }, 5497 { 0x2810, 0, 0xffff0000, 0x00000000 }, 5498 { 0x2814, 0, 0xffff0000, 0x00000000 }, 5499 { 0x2818, 0, 0xffff0000, 0x00000000 }, 5500 { 0x281c, 0, 0xffff0000, 0x00000000 }, 5501 { 0x2834, 0, 0xffffffff, 0x00000000 }, 5502 { 0x2840, 0, 0x00000000, 0xffffffff }, 5503 { 0x2844, 0, 0x00000000, 0xffffffff }, 5504 { 0x2848, 0, 0xffffffff, 0x00000000 }, 5505 { 0x284c, 0, 0xf800f800, 0x07ff07ff }, 5506 5507 { 0x2c00, 0, 0x00000000, 0x00000011 }, 5508 { 0x2c04, 0, 0x00000000, 0x00030007 }, 5509 5510 { 0x3c00, 0, 0x00000000, 0x00000001 }, 5511 { 0x3c04, 0, 0x00000000, 0x00070000 }, 5512 { 0x3c08, 0, 0x00007f71, 0x07f00000 }, 5513 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 }, 5514 { 0x3c10, 0, 0xffffffff, 0x00000000 }, 5515 { 0x3c14, 0, 0x00000000, 0xffffffff }, 5516 { 0x3c18, 0, 0x00000000, 0xffffffff }, 5517 { 0x3c1c, 0, 0xfffff000, 0x00000000 }, 5518 { 0x3c20, 0, 0xffffff00, 0x00000000 }, 5519 5520 { 0x5004, 0, 0x00000000, 0x0000007f }, 5521 { 0x5008, 0, 0x0f0007ff, 0x00000000 }, 5522 5523 { 0x5c00, 0, 0x00000000, 0x00000001 }, 5524 { 0x5c04, 0, 0x00000000, 0x0003000f }, 5525 { 0x5c08, 0, 0x00000003, 0x00000000 }, 5526 { 0x5c0c, 0, 0x0000fff8, 0x00000000 }, 5527 { 0x5c10, 0, 0x00000000, 0xffffffff }, 5528 { 0x5c80, 0, 0x00000000, 0x0f7113f1 }, 5529 { 0x5c84, 0, 0x00000000, 0x0000f333 }, 5530 { 0x5c88, 0, 0x00000000, 0x00077373 }, 5531 { 0x5c8c, 0, 0x00000000, 0x0007f737 }, 5532 5533 { 0x6808, 0, 0x0000ff7f, 0x00000000 }, 5534 { 0x680c, 0, 0xffffffff, 0x00000000 }, 5535 { 0x6810, 0, 0xffffffff, 0x00000000 }, 5536 { 0x6814, 0, 0xffffffff, 0x00000000 }, 5537 { 0x6818, 0, 0xffffffff, 0x00000000 }, 5538 { 0x681c, 0, 0xffffffff, 0x00000000 }, 5539 { 0x6820, 0, 0x00ff00ff, 0x00000000 }, 5540 { 0x6824, 0, 0x00ff00ff, 0x00000000 }, 5541 { 0x6828, 0, 0x00ff00ff, 0x00000000 }, 5542 { 0x682c, 0, 0x03ff03ff, 0x00000000 }, 5543 { 0x6830, 0, 0x03ff03ff, 0x00000000 }, 5544 { 0x6834, 0, 0x03ff03ff, 0x00000000 }, 5545 { 0x6838, 0, 0x03ff03ff, 0x00000000 }, 5546 { 0x683c, 0, 0x0000ffff, 0x00000000 }, 5547 { 0x6840, 0, 0x00000ff0, 0x00000000 }, 5548 { 0x6844, 0, 0x00ffff00, 0x00000000 }, 5549 { 0x684c, 0, 0xffffffff, 0x00000000 }, 5550 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 }, 5551 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 }, 5552 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 }, 5553 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 }, 5554 { 0x6908, 0, 0x00000000, 0x0001ff0f }, 5555 { 0x690c, 0, 0x00000000, 0x0ffe00f0 }, 5556 5557 { 0xffff, 0, 0x00000000, 0x00000000 }, 5558 }; 5559 5560 ret = 0; 5561 is_5709 = 0; 5562 if (CHIP_NUM(bp) == CHIP_NUM_5709) 5563 is_5709 = 1; 5564 5565 for (i = 0; reg_tbl[i].offset != 0xffff; i++) { 5566 u32 offset, rw_mask, ro_mask, save_val, val; 5567 u16 flags = reg_tbl[i].flags; 5568 5569 if (is_5709 && (flags & BNX2_FL_NOT_5709)) 5570 continue; 5571 5572 offset = (u32) reg_tbl[i].offset; 5573 rw_mask = reg_tbl[i].rw_mask; 5574 ro_mask = reg_tbl[i].ro_mask; 5575 5576 save_val = readl(bp->regview + offset); 5577 5578 writel(0, bp->regview + offset); 5579 5580 val = readl(bp->regview + offset); 5581 if ((val & rw_mask) != 0) { 5582 goto reg_test_err; 5583 } 5584 5585 if ((val & ro_mask) != (save_val & ro_mask)) { 5586 goto reg_test_err; 5587 } 5588 5589 writel(0xffffffff, bp->regview + offset); 5590 5591 val = readl(bp->regview + offset); 5592 if ((val & rw_mask) != rw_mask) { 5593 goto reg_test_err; 5594 } 5595 5596 if ((val & ro_mask) != (save_val & ro_mask)) { 5597 goto reg_test_err; 5598 } 5599 5600 writel(save_val, bp->regview + offset); 5601 continue; 5602 5603reg_test_err: 5604 writel(save_val, bp->regview + offset); 5605 ret = -ENODEV; 5606 break; 5607 } 5608 return ret; 5609} 5610 5611static int 5612bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size) 5613{ 5614 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555, 5615 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa }; 5616 int i; 5617 5618 for (i = 0; i < sizeof(test_pattern) / 4; i++) { 5619 u32 offset; 5620 5621 for (offset = 0; offset < size; offset += 4) { 5622 5623 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]); 5624 5625 if (bnx2_reg_rd_ind(bp, start + offset) != 5626 test_pattern[i]) { 5627 return -ENODEV; 5628 } 5629 } 5630 } 5631 return 0; 5632} 5633 5634static int 5635bnx2_test_memory(struct bnx2 *bp) 5636{ 5637 int ret = 0; 5638 int i; 5639 static struct mem_entry { 5640 u32 offset; 5641 u32 len; 5642 } mem_tbl_5706[] = { 5643 { 0x60000, 0x4000 }, 5644 { 0xa0000, 0x3000 }, 5645 { 0xe0000, 0x4000 }, 5646 { 0x120000, 0x4000 }, 5647 { 0x1a0000, 0x4000 }, 5648 { 0x160000, 0x4000 }, 5649 { 0xffffffff, 0 }, 5650 }, 5651 mem_tbl_5709[] = { 5652 { 0x60000, 0x4000 }, 5653 { 0xa0000, 0x3000 }, 5654 { 0xe0000, 0x4000 }, 5655 { 0x120000, 0x4000 }, 5656 { 0x1a0000, 0x4000 }, 5657 { 0xffffffff, 0 }, 5658 }; 5659 struct mem_entry *mem_tbl; 5660 5661 if (CHIP_NUM(bp) == CHIP_NUM_5709) 5662 mem_tbl = mem_tbl_5709; 5663 else 5664 mem_tbl = mem_tbl_5706; 5665 5666 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) { 5667 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset, 5668 mem_tbl[i].len)) != 0) { 5669 return ret; 5670 } 5671 } 5672 5673 return ret; 5674} 5675 5676#define BNX2_MAC_LOOPBACK 0 5677#define BNX2_PHY_LOOPBACK 1 5678 5679static int 5680bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) 5681{ 5682 unsigned int pkt_size, num_pkts, i; 5683 struct sk_buff *skb, *rx_skb; 5684 unsigned char *packet; 5685 u16 rx_start_idx, rx_idx; 5686 dma_addr_t map; 5687 struct tx_bd *txbd; 5688 struct sw_bd *rx_buf; 5689 struct l2_fhdr *rx_hdr; 5690 int ret = -ENODEV; 5691 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi; 5692 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 5693 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5694 5695 tx_napi = bnapi; 5696 5697 txr = &tx_napi->tx_ring; 5698 rxr = &bnapi->rx_ring; 5699 if (loopback_mode == BNX2_MAC_LOOPBACK) { 5700 bp->loopback = MAC_LOOPBACK; 5701 bnx2_set_mac_loopback(bp); 5702 } 5703 else if (loopback_mode == BNX2_PHY_LOOPBACK) { 5704 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 5705 return 0; 5706 5707 bp->loopback = PHY_LOOPBACK; 5708 bnx2_set_phy_loopback(bp); 5709 } 5710 else 5711 return -EINVAL; 5712 5713 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4); 5714 skb = netdev_alloc_skb(bp->dev, pkt_size); 5715 if (!skb) 5716 return -ENOMEM; 5717 packet = skb_put(skb, pkt_size); 5718 memcpy(packet, bp->dev->dev_addr, 6); 5719 memset(packet + 6, 0x0, 8); 5720 for (i = 14; i < pkt_size; i++) 5721 packet[i] = (unsigned char) (i & 0xff); 5722 5723 map = pci_map_single(bp->pdev, skb->data, pkt_size, 5724 PCI_DMA_TODEVICE); 5725 if (pci_dma_mapping_error(bp->pdev, map)) { 5726 dev_kfree_skb(skb); 5727 return -EIO; 5728 } 5729 5730 REG_WR(bp, BNX2_HC_COMMAND, 5731 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 5732 5733 REG_RD(bp, BNX2_HC_COMMAND); 5734 5735 udelay(5); 5736 rx_start_idx = bnx2_get_hw_rx_cons(bnapi); 5737 5738 num_pkts = 0; 5739 5740 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)]; 5741 5742 txbd->tx_bd_haddr_hi = (u64) map >> 32; 5743 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff; 5744 txbd->tx_bd_mss_nbytes = pkt_size; 5745 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END; 5746 5747 num_pkts++; 5748 txr->tx_prod = NEXT_TX_BD(txr->tx_prod); 5749 txr->tx_prod_bseq += pkt_size; 5750 5751 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod); 5752 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); 5753 5754 udelay(100); 5755 5756 REG_WR(bp, BNX2_HC_COMMAND, 5757 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 5758 5759 REG_RD(bp, BNX2_HC_COMMAND); 5760 5761 udelay(5); 5762 5763 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE); 5764 dev_kfree_skb(skb); 5765 5766 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod) 5767 goto loopback_test_done; 5768 5769 rx_idx = bnx2_get_hw_rx_cons(bnapi); 5770 if (rx_idx != rx_start_idx + num_pkts) { 5771 goto loopback_test_done; 5772 } 5773 5774 rx_buf = &rxr->rx_buf_ring[rx_start_idx]; 5775 rx_skb = rx_buf->skb; 5776 5777 rx_hdr = (struct l2_fhdr *) rx_skb->data; 5778 skb_reserve(rx_skb, BNX2_RX_OFFSET); 5779 5780 pci_dma_sync_single_for_cpu(bp->pdev, 5781 pci_unmap_addr(rx_buf, mapping), 5782 bp->rx_buf_size, PCI_DMA_FROMDEVICE); 5783 5784 if (rx_hdr->l2_fhdr_status & 5785 (L2_FHDR_ERRORS_BAD_CRC | 5786 L2_FHDR_ERRORS_PHY_DECODE | 5787 L2_FHDR_ERRORS_ALIGNMENT | 5788 L2_FHDR_ERRORS_TOO_SHORT | 5789 L2_FHDR_ERRORS_GIANT_FRAME)) { 5790 5791 goto loopback_test_done; 5792 } 5793 5794 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) { 5795 goto loopback_test_done; 5796 } 5797 5798 for (i = 14; i < pkt_size; i++) { 5799 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) { 5800 goto loopback_test_done; 5801 } 5802 } 5803 5804 ret = 0; 5805 5806loopback_test_done: 5807 bp->loopback = 0; 5808 return ret; 5809} 5810 5811#define BNX2_MAC_LOOPBACK_FAILED 1 5812#define BNX2_PHY_LOOPBACK_FAILED 2 5813#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \ 5814 BNX2_PHY_LOOPBACK_FAILED) 5815 5816static int 5817bnx2_test_loopback(struct bnx2 *bp) 5818{ 5819 int rc = 0; 5820 5821 if (!netif_running(bp->dev)) 5822 return BNX2_LOOPBACK_FAILED; 5823 5824 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 5825 spin_lock_bh(&bp->phy_lock); 5826 bnx2_init_phy(bp, 1); 5827 spin_unlock_bh(&bp->phy_lock); 5828 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK)) 5829 rc |= BNX2_MAC_LOOPBACK_FAILED; 5830 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK)) 5831 rc |= BNX2_PHY_LOOPBACK_FAILED; 5832 return rc; 5833} 5834 5835#define NVRAM_SIZE 0x200 5836#define CRC32_RESIDUAL 0xdebb20e3 5837 5838static int 5839bnx2_test_nvram(struct bnx2 *bp) 5840{ 5841 __be32 buf[NVRAM_SIZE / 4]; 5842 u8 *data = (u8 *) buf; 5843 int rc = 0; 5844 u32 magic, csum; 5845 5846 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0) 5847 goto test_nvram_done; 5848 5849 magic = be32_to_cpu(buf[0]); 5850 if (magic != 0x669955aa) { 5851 rc = -ENODEV; 5852 goto test_nvram_done; 5853 } 5854 5855 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0) 5856 goto test_nvram_done; 5857 5858 csum = ether_crc_le(0x100, data); 5859 if (csum != CRC32_RESIDUAL) { 5860 rc = -ENODEV; 5861 goto test_nvram_done; 5862 } 5863 5864 csum = ether_crc_le(0x100, data + 0x100); 5865 if (csum != CRC32_RESIDUAL) { 5866 rc = -ENODEV; 5867 } 5868 5869test_nvram_done: 5870 return rc; 5871} 5872 5873static int 5874bnx2_test_link(struct bnx2 *bp) 5875{ 5876 u32 bmsr; 5877 5878 if (!netif_running(bp->dev)) 5879 return -ENODEV; 5880 5881 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 5882 if (bp->link_up) 5883 return 0; 5884 return -ENODEV; 5885 } 5886 spin_lock_bh(&bp->phy_lock); 5887 bnx2_enable_bmsr1(bp); 5888 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 5889 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 5890 bnx2_disable_bmsr1(bp); 5891 spin_unlock_bh(&bp->phy_lock); 5892 5893 if (bmsr & BMSR_LSTATUS) { 5894 return 0; 5895 } 5896 return -ENODEV; 5897} 5898 5899static int 5900bnx2_test_intr(struct bnx2 *bp) 5901{ 5902 int i; 5903 u16 status_idx; 5904 5905 if (!netif_running(bp->dev)) 5906 return -ENODEV; 5907 5908 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff; 5909 5910 /* This register is not touched during run-time. */ 5911 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); 5912 REG_RD(bp, BNX2_HC_COMMAND); 5913 5914 for (i = 0; i < 10; i++) { 5915 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) != 5916 status_idx) { 5917 5918 break; 5919 } 5920 5921 msleep_interruptible(10); 5922 } 5923 if (i < 10) 5924 return 0; 5925 5926 return -ENODEV; 5927} 5928 5929/* Determining link for parallel detection. */ 5930static int 5931bnx2_5706_serdes_has_link(struct bnx2 *bp) 5932{ 5933 u32 mode_ctl, an_dbg, exp; 5934 5935 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL) 5936 return 0; 5937 5938 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL); 5939 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl); 5940 5941 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET)) 5942 return 0; 5943 5944 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); 5945 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 5946 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 5947 5948 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID)) 5949 return 0; 5950 5951 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1); 5952 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); 5953 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); 5954 5955 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */ 5956 return 0; 5957 5958 return 1; 5959} 5960 5961static void 5962bnx2_5706_serdes_timer(struct bnx2 *bp) 5963{ 5964 int check_link = 1; 5965 5966 spin_lock(&bp->phy_lock); 5967 if (bp->serdes_an_pending) { 5968 bp->serdes_an_pending--; 5969 check_link = 0; 5970 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { 5971 u32 bmcr; 5972 5973 bp->current_interval = BNX2_TIMER_INTERVAL; 5974 5975 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 5976 5977 if (bmcr & BMCR_ANENABLE) { 5978 if (bnx2_5706_serdes_has_link(bp)) { 5979 bmcr &= ~BMCR_ANENABLE; 5980 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX; 5981 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 5982 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT; 5983 } 5984 } 5985 } 5986 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) && 5987 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) { 5988 u32 phy2; 5989 5990 bnx2_write_phy(bp, 0x17, 0x0f01); 5991 bnx2_read_phy(bp, 0x15, &phy2); 5992 if (phy2 & 0x20) { 5993 u32 bmcr; 5994 5995 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 5996 bmcr |= BMCR_ANENABLE; 5997 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 5998 5999 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; 6000 } 6001 } else 6002 bp->current_interval = BNX2_TIMER_INTERVAL; 6003 6004 if (check_link) { 6005 u32 val; 6006 6007 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); 6008 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); 6009 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); 6010 6011 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) { 6012 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) { 6013 bnx2_5706s_force_link_dn(bp, 1); 6014 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN; 6015 } else 6016 bnx2_set_link(bp); 6017 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC)) 6018 bnx2_set_link(bp); 6019 } 6020 spin_unlock(&bp->phy_lock); 6021} 6022 6023static void 6024bnx2_5708_serdes_timer(struct bnx2 *bp) 6025{ 6026 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 6027 return; 6028 6029 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) { 6030 bp->serdes_an_pending = 0; 6031 return; 6032 } 6033 6034 spin_lock(&bp->phy_lock); 6035 if (bp->serdes_an_pending) 6036 bp->serdes_an_pending--; 6037 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { 6038 u32 bmcr; 6039 6040 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 6041 if (bmcr & BMCR_ANENABLE) { 6042 bnx2_enable_forced_2g5(bp); 6043 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT; 6044 } else { 6045 bnx2_disable_forced_2g5(bp); 6046 bp->serdes_an_pending = 2; 6047 bp->current_interval = BNX2_TIMER_INTERVAL; 6048 } 6049 6050 } else 6051 bp->current_interval = BNX2_TIMER_INTERVAL; 6052 6053 spin_unlock(&bp->phy_lock); 6054} 6055 6056static void 6057bnx2_timer(unsigned long data) 6058{ 6059 struct bnx2 *bp = (struct bnx2 *) data; 6060 6061 if (!netif_running(bp->dev)) 6062 return; 6063 6064 if (atomic_read(&bp->intr_sem) != 0) 6065 goto bnx2_restart_timer; 6066 6067 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) == 6068 BNX2_FLAG_USING_MSI) 6069 bnx2_chk_missed_msi(bp); 6070 6071 bnx2_send_heart_beat(bp); 6072 6073 bp->stats_blk->stat_FwRxDrop = 6074 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT); 6075 6076 /* workaround occasional corrupted counters */ 6077 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks) 6078 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | 6079 BNX2_HC_COMMAND_STATS_NOW); 6080 6081 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 6082 if (CHIP_NUM(bp) == CHIP_NUM_5706) 6083 bnx2_5706_serdes_timer(bp); 6084 else 6085 bnx2_5708_serdes_timer(bp); 6086 } 6087 6088bnx2_restart_timer: 6089 mod_timer(&bp->timer, jiffies + bp->current_interval); 6090} 6091 6092static int 6093bnx2_request_irq(struct bnx2 *bp) 6094{ 6095 unsigned long flags; 6096 struct bnx2_irq *irq; 6097 int rc = 0, i; 6098 6099 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX) 6100 flags = 0; 6101 else 6102 flags = IRQF_SHARED; 6103 6104 for (i = 0; i < bp->irq_nvecs; i++) { 6105 irq = &bp->irq_tbl[i]; 6106 rc = request_irq(irq->vector, irq->handler, flags, irq->name, 6107 &bp->bnx2_napi[i]); 6108 if (rc) 6109 break; 6110 irq->requested = 1; 6111 } 6112 return rc; 6113} 6114 6115static void 6116bnx2_free_irq(struct bnx2 *bp) 6117{ 6118 struct bnx2_irq *irq; 6119 int i; 6120 6121 for (i = 0; i < bp->irq_nvecs; i++) { 6122 irq = &bp->irq_tbl[i]; 6123 if (irq->requested) 6124 free_irq(irq->vector, &bp->bnx2_napi[i]); 6125 irq->requested = 0; 6126 } 6127 if (bp->flags & BNX2_FLAG_USING_MSI) 6128 pci_disable_msi(bp->pdev); 6129 else if (bp->flags & BNX2_FLAG_USING_MSIX) 6130 pci_disable_msix(bp->pdev); 6131 6132 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI); 6133} 6134 6135static void 6136bnx2_enable_msix(struct bnx2 *bp, int msix_vecs) 6137{ 6138 int i, rc; 6139 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC]; 6140 struct net_device *dev = bp->dev; 6141 const int len = sizeof(bp->irq_tbl[0].name); 6142 6143 bnx2_setup_msix_tbl(bp); 6144 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1); 6145 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE); 6146 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE); 6147 6148 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 6149 msix_ent[i].entry = i; 6150 msix_ent[i].vector = 0; 6151 } 6152 6153 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC); 6154 if (rc != 0) 6155 return; 6156 6157 bp->irq_nvecs = msix_vecs; 6158 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI; 6159 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 6160 bp->irq_tbl[i].vector = msix_ent[i].vector; 6161 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i); 6162 bp->irq_tbl[i].handler = bnx2_msi_1shot; 6163 } 6164} 6165 6166static void 6167bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi) 6168{ 6169 int cpus = num_online_cpus(); 6170 int msix_vecs = min(cpus + 1, RX_MAX_RINGS); 6171 6172 bp->irq_tbl[0].handler = bnx2_interrupt; 6173 strcpy(bp->irq_tbl[0].name, bp->dev->name); 6174 bp->irq_nvecs = 1; 6175 bp->irq_tbl[0].vector = bp->pdev->irq; 6176 6177 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1) 6178 bnx2_enable_msix(bp, msix_vecs); 6179 6180 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi && 6181 !(bp->flags & BNX2_FLAG_USING_MSIX)) { 6182 if (pci_enable_msi(bp->pdev) == 0) { 6183 bp->flags |= BNX2_FLAG_USING_MSI; 6184 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 6185 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI; 6186 bp->irq_tbl[0].handler = bnx2_msi_1shot; 6187 } else 6188 bp->irq_tbl[0].handler = bnx2_msi; 6189 6190 bp->irq_tbl[0].vector = bp->pdev->irq; 6191 } 6192 } 6193 6194 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs); 6195 bp->dev->real_num_tx_queues = bp->num_tx_rings; 6196 6197 bp->num_rx_rings = bp->irq_nvecs; 6198} 6199 6200/* Called with rtnl_lock */ 6201static int 6202bnx2_open(struct net_device *dev) 6203{ 6204 struct bnx2 *bp = netdev_priv(dev); 6205 int rc; 6206 6207 netif_carrier_off(dev); 6208 6209 bnx2_set_power_state(bp, PCI_D0); 6210 bnx2_disable_int(bp); 6211 6212 bnx2_setup_int_mode(bp, disable_msi); 6213 bnx2_napi_enable(bp); 6214 rc = bnx2_alloc_mem(bp); 6215 if (rc) 6216 goto open_err; 6217 6218 rc = bnx2_request_irq(bp); 6219 if (rc) 6220 goto open_err; 6221 6222 rc = bnx2_init_nic(bp, 1); 6223 if (rc) 6224 goto open_err; 6225 6226 mod_timer(&bp->timer, jiffies + bp->current_interval); 6227 6228 atomic_set(&bp->intr_sem, 0); 6229 6230 bnx2_enable_int(bp); 6231 6232 if (bp->flags & BNX2_FLAG_USING_MSI) { 6233 /* Test MSI to make sure it is working 6234 * If MSI test fails, go back to INTx mode 6235 */ 6236 if (bnx2_test_intr(bp) != 0) { 6237 printk(KERN_WARNING PFX "%s: No interrupt was generated" 6238 " using MSI, switching to INTx mode. Please" 6239 " report this failure to the PCI maintainer" 6240 " and include system chipset information.\n", 6241 bp->dev->name); 6242 6243 bnx2_disable_int(bp); 6244 bnx2_free_irq(bp); 6245 6246 bnx2_setup_int_mode(bp, 1); 6247 6248 rc = bnx2_init_nic(bp, 0); 6249 6250 if (!rc) 6251 rc = bnx2_request_irq(bp); 6252 6253 if (rc) { 6254 del_timer_sync(&bp->timer); 6255 goto open_err; 6256 } 6257 bnx2_enable_int(bp); 6258 } 6259 } 6260 if (bp->flags & BNX2_FLAG_USING_MSI) 6261 printk(KERN_INFO PFX "%s: using MSI\n", dev->name); 6262 else if (bp->flags & BNX2_FLAG_USING_MSIX) 6263 printk(KERN_INFO PFX "%s: using MSIX\n", dev->name); 6264 6265 netif_tx_start_all_queues(dev); 6266 6267 return 0; 6268 6269open_err: 6270 bnx2_napi_disable(bp); 6271 bnx2_free_skbs(bp); 6272 bnx2_free_irq(bp); 6273 bnx2_free_mem(bp); 6274 return rc; 6275} 6276 6277static void 6278bnx2_reset_task(struct work_struct *work) 6279{ 6280 struct bnx2 *bp = container_of(work, struct bnx2, reset_task); 6281 6282 rtnl_lock(); 6283 if (!netif_running(bp->dev)) { 6284 rtnl_unlock(); 6285 return; 6286 } 6287 6288 bnx2_netif_stop(bp); 6289 6290 bnx2_init_nic(bp, 1); 6291 6292 atomic_set(&bp->intr_sem, 1); 6293 bnx2_netif_start(bp); 6294 rtnl_unlock(); 6295} 6296 6297static void 6298bnx2_dump_state(struct bnx2 *bp) 6299{ 6300 struct net_device *dev = bp->dev; 6301 6302 printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name, 6303 atomic_read(&bp->intr_sem)); 6304 printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] " 6305 "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name, 6306 REG_RD(bp, BNX2_EMAC_TX_STATUS), 6307 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL)); 6308 printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", 6309 dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0), 6310 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1)); 6311 printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n", 6312 dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS)); 6313 if (bp->flags & BNX2_FLAG_USING_MSIX) 6314 printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name, 6315 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE)); 6316} 6317 6318static void 6319bnx2_tx_timeout(struct net_device *dev) 6320{ 6321 struct bnx2 *bp = netdev_priv(dev); 6322 6323 bnx2_dump_state(bp); 6324 6325 /* This allows the netif to be shutdown gracefully before resetting */ 6326 schedule_work(&bp->reset_task); 6327} 6328 6329#ifdef BCM_VLAN 6330/* Called with rtnl_lock */ 6331static void 6332bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp) 6333{ 6334 struct bnx2 *bp = netdev_priv(dev); 6335 6336 if (netif_running(dev)) 6337 bnx2_netif_stop(bp); 6338 6339 bp->vlgrp = vlgrp; 6340 6341 if (!netif_running(dev)) 6342 return; 6343 6344 bnx2_set_rx_mode(dev); 6345 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) 6346 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); 6347 6348 bnx2_netif_start(bp); 6349} 6350#endif 6351 6352/* Called with netif_tx_lock. 6353 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call 6354 * netif_wake_queue(). 6355 */ 6356static netdev_tx_t 6357bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) 6358{ 6359 struct bnx2 *bp = netdev_priv(dev); 6360 dma_addr_t mapping; 6361 struct tx_bd *txbd; 6362 struct sw_tx_bd *tx_buf; 6363 u32 len, vlan_tag_flags, last_frag, mss; 6364 u16 prod, ring_prod; 6365 int i; 6366 struct bnx2_napi *bnapi; 6367 struct bnx2_tx_ring_info *txr; 6368 struct netdev_queue *txq; 6369 6370 /* Determine which tx ring we will be placed on */ 6371 i = skb_get_queue_mapping(skb); 6372 bnapi = &bp->bnx2_napi[i]; 6373 txr = &bnapi->tx_ring; 6374 txq = netdev_get_tx_queue(dev, i); 6375 6376 if (unlikely(bnx2_tx_avail(bp, txr) < 6377 (skb_shinfo(skb)->nr_frags + 1))) { 6378 netif_tx_stop_queue(txq); 6379 printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n", 6380 dev->name); 6381 6382 return NETDEV_TX_BUSY; 6383 } 6384 len = skb_headlen(skb); 6385 prod = txr->tx_prod; 6386 ring_prod = TX_RING_IDX(prod); 6387 6388 vlan_tag_flags = 0; 6389 if (skb->ip_summed == CHECKSUM_PARTIAL) { 6390 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; 6391 } 6392 6393#ifdef BCM_VLAN 6394 if (bp->vlgrp && vlan_tx_tag_present(skb)) { 6395 vlan_tag_flags |= 6396 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16)); 6397 } 6398#endif 6399 if ((mss = skb_shinfo(skb)->gso_size)) { 6400 u32 tcp_opt_len; 6401 struct iphdr *iph; 6402 6403 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO; 6404 6405 tcp_opt_len = tcp_optlen(skb); 6406 6407 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { 6408 u32 tcp_off = skb_transport_offset(skb) - 6409 sizeof(struct ipv6hdr) - ETH_HLEN; 6410 6411 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) | 6412 TX_BD_FLAGS_SW_FLAGS; 6413 if (likely(tcp_off == 0)) 6414 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK; 6415 else { 6416 tcp_off >>= 3; 6417 vlan_tag_flags |= ((tcp_off & 0x3) << 6418 TX_BD_FLAGS_TCP6_OFF0_SHL) | 6419 ((tcp_off & 0x10) << 6420 TX_BD_FLAGS_TCP6_OFF4_SHL); 6421 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL; 6422 } 6423 } else { 6424 iph = ip_hdr(skb); 6425 if (tcp_opt_len || (iph->ihl > 5)) { 6426 vlan_tag_flags |= ((iph->ihl - 5) + 6427 (tcp_opt_len >> 2)) << 8; 6428 } 6429 } 6430 } else 6431 mss = 0; 6432 6433 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); 6434 if (pci_dma_mapping_error(bp->pdev, mapping)) { 6435 dev_kfree_skb(skb); 6436 return NETDEV_TX_OK; 6437 } 6438 6439 tx_buf = &txr->tx_buf_ring[ring_prod]; 6440 tx_buf->skb = skb; 6441 pci_unmap_addr_set(tx_buf, mapping, mapping); 6442 6443 txbd = &txr->tx_desc_ring[ring_prod]; 6444 6445 txbd->tx_bd_haddr_hi = (u64) mapping >> 32; 6446 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; 6447 txbd->tx_bd_mss_nbytes = len | (mss << 16); 6448 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START; 6449 6450 last_frag = skb_shinfo(skb)->nr_frags; 6451 tx_buf->nr_frags = last_frag; 6452 tx_buf->is_gso = skb_is_gso(skb); 6453 6454 for (i = 0; i < last_frag; i++) { 6455 skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; 6456 6457 prod = NEXT_TX_BD(prod); 6458 ring_prod = TX_RING_IDX(prod); 6459 txbd = &txr->tx_desc_ring[ring_prod]; 6460 6461 len = frag->size; 6462 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset, 6463 len, PCI_DMA_TODEVICE); 6464 if (pci_dma_mapping_error(bp->pdev, mapping)) 6465 goto dma_error; 6466 pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping, 6467 mapping); 6468 6469 txbd->tx_bd_haddr_hi = (u64) mapping >> 32; 6470 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; 6471 txbd->tx_bd_mss_nbytes = len | (mss << 16); 6472 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags; 6473 6474 } 6475 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END; 6476 6477 prod = NEXT_TX_BD(prod); 6478 txr->tx_prod_bseq += skb->len; 6479 6480 REG_WR16(bp, txr->tx_bidx_addr, prod); 6481 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); 6482 6483 mmiowb(); 6484 6485 txr->tx_prod = prod; 6486 6487 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) { 6488 netif_tx_stop_queue(txq); 6489 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh) 6490 netif_tx_wake_queue(txq); 6491 } 6492 6493 return NETDEV_TX_OK; 6494dma_error: 6495 /* save value of frag that failed */ 6496 last_frag = i; 6497 6498 /* start back at beginning and unmap skb */ 6499 prod = txr->tx_prod; 6500 ring_prod = TX_RING_IDX(prod); 6501 tx_buf = &txr->tx_buf_ring[ring_prod]; 6502 tx_buf->skb = NULL; 6503 pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping), 6504 skb_headlen(skb), PCI_DMA_TODEVICE); 6505 6506 /* unmap remaining mapped pages */ 6507 for (i = 0; i < last_frag; i++) { 6508 prod = NEXT_TX_BD(prod); 6509 ring_prod = TX_RING_IDX(prod); 6510 tx_buf = &txr->tx_buf_ring[ring_prod]; 6511 pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping), 6512 skb_shinfo(skb)->frags[i].size, 6513 PCI_DMA_TODEVICE); 6514 } 6515 6516 dev_kfree_skb(skb); 6517 return NETDEV_TX_OK; 6518} 6519 6520/* Called with rtnl_lock */ 6521static int 6522bnx2_close(struct net_device *dev) 6523{ 6524 struct bnx2 *bp = netdev_priv(dev); 6525 6526 cancel_work_sync(&bp->reset_task); 6527 6528 bnx2_disable_int_sync(bp); 6529 bnx2_napi_disable(bp); 6530 del_timer_sync(&bp->timer); 6531 bnx2_shutdown_chip(bp); 6532 bnx2_free_irq(bp); 6533 bnx2_free_skbs(bp); 6534 bnx2_free_mem(bp); 6535 bp->link_up = 0; 6536 netif_carrier_off(bp->dev); 6537 bnx2_set_power_state(bp, PCI_D3hot); 6538 return 0; 6539} 6540 6541#define GET_NET_STATS64(ctr) \ 6542 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \ 6543 (unsigned long) (ctr##_lo) 6544 6545#define GET_NET_STATS32(ctr) \ 6546 (ctr##_lo) 6547 6548#if (BITS_PER_LONG == 64) 6549#define GET_NET_STATS GET_NET_STATS64 6550#else 6551#define GET_NET_STATS GET_NET_STATS32 6552#endif 6553 6554static struct net_device_stats * 6555bnx2_get_stats(struct net_device *dev) 6556{ 6557 struct bnx2 *bp = netdev_priv(dev); 6558 struct statistics_block *stats_blk = bp->stats_blk; 6559 struct net_device_stats *net_stats = &dev->stats; 6560 6561 if (bp->stats_blk == NULL) { 6562 return net_stats; 6563 } 6564 net_stats->rx_packets = 6565 GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) + 6566 GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) + 6567 GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts); 6568 6569 net_stats->tx_packets = 6570 GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) + 6571 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) + 6572 GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts); 6573 6574 net_stats->rx_bytes = 6575 GET_NET_STATS(stats_blk->stat_IfHCInOctets); 6576 6577 net_stats->tx_bytes = 6578 GET_NET_STATS(stats_blk->stat_IfHCOutOctets); 6579 6580 net_stats->multicast = 6581 GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts); 6582 6583 net_stats->collisions = 6584 (unsigned long) stats_blk->stat_EtherStatsCollisions; 6585 6586 net_stats->rx_length_errors = 6587 (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts + 6588 stats_blk->stat_EtherStatsOverrsizePkts); 6589 6590 net_stats->rx_over_errors = 6591 (unsigned long) (stats_blk->stat_IfInFTQDiscards + 6592 stats_blk->stat_IfInMBUFDiscards); 6593 6594 net_stats->rx_frame_errors = 6595 (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors; 6596 6597 net_stats->rx_crc_errors = 6598 (unsigned long) stats_blk->stat_Dot3StatsFCSErrors; 6599 6600 net_stats->rx_errors = net_stats->rx_length_errors + 6601 net_stats->rx_over_errors + net_stats->rx_frame_errors + 6602 net_stats->rx_crc_errors; 6603 6604 net_stats->tx_aborted_errors = 6605 (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions + 6606 stats_blk->stat_Dot3StatsLateCollisions); 6607 6608 if ((CHIP_NUM(bp) == CHIP_NUM_5706) || 6609 (CHIP_ID(bp) == CHIP_ID_5708_A0)) 6610 net_stats->tx_carrier_errors = 0; 6611 else { 6612 net_stats->tx_carrier_errors = 6613 (unsigned long) 6614 stats_blk->stat_Dot3StatsCarrierSenseErrors; 6615 } 6616 6617 net_stats->tx_errors = 6618 (unsigned long) 6619 stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors 6620 + 6621 net_stats->tx_aborted_errors + 6622 net_stats->tx_carrier_errors; 6623 6624 net_stats->rx_missed_errors = 6625 (unsigned long) (stats_blk->stat_IfInFTQDiscards + 6626 stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop); 6627 6628 return net_stats; 6629} 6630 6631/* All ethtool functions called with rtnl_lock */ 6632 6633static int 6634bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6635{ 6636 struct bnx2 *bp = netdev_priv(dev); 6637 int support_serdes = 0, support_copper = 0; 6638 6639 cmd->supported = SUPPORTED_Autoneg; 6640 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 6641 support_serdes = 1; 6642 support_copper = 1; 6643 } else if (bp->phy_port == PORT_FIBRE) 6644 support_serdes = 1; 6645 else 6646 support_copper = 1; 6647 6648 if (support_serdes) { 6649 cmd->supported |= SUPPORTED_1000baseT_Full | 6650 SUPPORTED_FIBRE; 6651 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) 6652 cmd->supported |= SUPPORTED_2500baseX_Full; 6653 6654 } 6655 if (support_copper) { 6656 cmd->supported |= SUPPORTED_10baseT_Half | 6657 SUPPORTED_10baseT_Full | 6658 SUPPORTED_100baseT_Half | 6659 SUPPORTED_100baseT_Full | 6660 SUPPORTED_1000baseT_Full | 6661 SUPPORTED_TP; 6662 6663 } 6664 6665 spin_lock_bh(&bp->phy_lock); 6666 cmd->port = bp->phy_port; 6667 cmd->advertising = bp->advertising; 6668 6669 if (bp->autoneg & AUTONEG_SPEED) { 6670 cmd->autoneg = AUTONEG_ENABLE; 6671 } 6672 else { 6673 cmd->autoneg = AUTONEG_DISABLE; 6674 } 6675 6676 if (netif_carrier_ok(dev)) { 6677 cmd->speed = bp->line_speed; 6678 cmd->duplex = bp->duplex; 6679 } 6680 else { 6681 cmd->speed = -1; 6682 cmd->duplex = -1; 6683 } 6684 spin_unlock_bh(&bp->phy_lock); 6685 6686 cmd->transceiver = XCVR_INTERNAL; 6687 cmd->phy_address = bp->phy_addr; 6688 6689 return 0; 6690} 6691 6692static int 6693bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6694{ 6695 struct bnx2 *bp = netdev_priv(dev); 6696 u8 autoneg = bp->autoneg; 6697 u8 req_duplex = bp->req_duplex; 6698 u16 req_line_speed = bp->req_line_speed; 6699 u32 advertising = bp->advertising; 6700 int err = -EINVAL; 6701 6702 spin_lock_bh(&bp->phy_lock); 6703 6704 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE) 6705 goto err_out_unlock; 6706 6707 if (cmd->port != bp->phy_port && 6708 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)) 6709 goto err_out_unlock; 6710 6711 /* If device is down, we can store the settings only if the user 6712 * is setting the currently active port. 6713 */ 6714 if (!netif_running(dev) && cmd->port != bp->phy_port) 6715 goto err_out_unlock; 6716 6717 if (cmd->autoneg == AUTONEG_ENABLE) { 6718 autoneg |= AUTONEG_SPEED; 6719 6720 cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED; 6721 6722 /* allow advertising 1 speed */ 6723 if ((cmd->advertising == ADVERTISED_10baseT_Half) || 6724 (cmd->advertising == ADVERTISED_10baseT_Full) || 6725 (cmd->advertising == ADVERTISED_100baseT_Half) || 6726 (cmd->advertising == ADVERTISED_100baseT_Full)) { 6727 6728 if (cmd->port == PORT_FIBRE) 6729 goto err_out_unlock; 6730 6731 advertising = cmd->advertising; 6732 6733 } else if (cmd->advertising == ADVERTISED_2500baseX_Full) { 6734 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) || 6735 (cmd->port == PORT_TP)) 6736 goto err_out_unlock; 6737 } else if (cmd->advertising == ADVERTISED_1000baseT_Full) 6738 advertising = cmd->advertising; 6739 else if (cmd->advertising == ADVERTISED_1000baseT_Half) 6740 goto err_out_unlock; 6741 else { 6742 if (cmd->port == PORT_FIBRE) 6743 advertising = ETHTOOL_ALL_FIBRE_SPEED; 6744 else 6745 advertising = ETHTOOL_ALL_COPPER_SPEED; 6746 } 6747 advertising |= ADVERTISED_Autoneg; 6748 } 6749 else { 6750 if (cmd->port == PORT_FIBRE) { 6751 if ((cmd->speed != SPEED_1000 && 6752 cmd->speed != SPEED_2500) || 6753 (cmd->duplex != DUPLEX_FULL)) 6754 goto err_out_unlock; 6755 6756 if (cmd->speed == SPEED_2500 && 6757 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 6758 goto err_out_unlock; 6759 } 6760 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500) 6761 goto err_out_unlock; 6762 6763 autoneg &= ~AUTONEG_SPEED; 6764 req_line_speed = cmd->speed; 6765 req_duplex = cmd->duplex; 6766 advertising = 0; 6767 } 6768 6769 bp->autoneg = autoneg; 6770 bp->advertising = advertising; 6771 bp->req_line_speed = req_line_speed; 6772 bp->req_duplex = req_duplex; 6773 6774 err = 0; 6775 /* If device is down, the new settings will be picked up when it is 6776 * brought up. 6777 */ 6778 if (netif_running(dev)) 6779 err = bnx2_setup_phy(bp, cmd->port); 6780 6781err_out_unlock: 6782 spin_unlock_bh(&bp->phy_lock); 6783 6784 return err; 6785} 6786 6787static void 6788bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 6789{ 6790 struct bnx2 *bp = netdev_priv(dev); 6791 6792 strcpy(info->driver, DRV_MODULE_NAME); 6793 strcpy(info->version, DRV_MODULE_VERSION); 6794 strcpy(info->bus_info, pci_name(bp->pdev)); 6795 strcpy(info->fw_version, bp->fw_version); 6796} 6797 6798#define BNX2_REGDUMP_LEN (32 * 1024) 6799 6800static int 6801bnx2_get_regs_len(struct net_device *dev) 6802{ 6803 return BNX2_REGDUMP_LEN; 6804} 6805 6806static void 6807bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p) 6808{ 6809 u32 *p = _p, i, offset; 6810 u8 *orig_p = _p; 6811 struct bnx2 *bp = netdev_priv(dev); 6812 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c, 6813 0x0800, 0x0880, 0x0c00, 0x0c10, 6814 0x0c30, 0x0d08, 0x1000, 0x101c, 6815 0x1040, 0x1048, 0x1080, 0x10a4, 6816 0x1400, 0x1490, 0x1498, 0x14f0, 6817 0x1500, 0x155c, 0x1580, 0x15dc, 6818 0x1600, 0x1658, 0x1680, 0x16d8, 6819 0x1800, 0x1820, 0x1840, 0x1854, 6820 0x1880, 0x1894, 0x1900, 0x1984, 6821 0x1c00, 0x1c0c, 0x1c40, 0x1c54, 6822 0x1c80, 0x1c94, 0x1d00, 0x1d84, 6823 0x2000, 0x2030, 0x23c0, 0x2400, 6824 0x2800, 0x2820, 0x2830, 0x2850, 6825 0x2b40, 0x2c10, 0x2fc0, 0x3058, 6826 0x3c00, 0x3c94, 0x4000, 0x4010, 6827 0x4080, 0x4090, 0x43c0, 0x4458, 6828 0x4c00, 0x4c18, 0x4c40, 0x4c54, 6829 0x4fc0, 0x5010, 0x53c0, 0x5444, 6830 0x5c00, 0x5c18, 0x5c80, 0x5c90, 6831 0x5fc0, 0x6000, 0x6400, 0x6428, 6832 0x6800, 0x6848, 0x684c, 0x6860, 6833 0x6888, 0x6910, 0x8000 }; 6834 6835 regs->version = 0; 6836 6837 memset(p, 0, BNX2_REGDUMP_LEN); 6838 6839 if (!netif_running(bp->dev)) 6840 return; 6841 6842 i = 0; 6843 offset = reg_boundaries[0]; 6844 p += offset; 6845 while (offset < BNX2_REGDUMP_LEN) { 6846 *p++ = REG_RD(bp, offset); 6847 offset += 4; 6848 if (offset == reg_boundaries[i + 1]) { 6849 offset = reg_boundaries[i + 2]; 6850 p = (u32 *) (orig_p + offset); 6851 i += 2; 6852 } 6853 } 6854} 6855 6856static void 6857bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 6858{ 6859 struct bnx2 *bp = netdev_priv(dev); 6860 6861 if (bp->flags & BNX2_FLAG_NO_WOL) { 6862 wol->supported = 0; 6863 wol->wolopts = 0; 6864 } 6865 else { 6866 wol->supported = WAKE_MAGIC; 6867 if (bp->wol) 6868 wol->wolopts = WAKE_MAGIC; 6869 else 6870 wol->wolopts = 0; 6871 } 6872 memset(&wol->sopass, 0, sizeof(wol->sopass)); 6873} 6874 6875static int 6876bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 6877{ 6878 struct bnx2 *bp = netdev_priv(dev); 6879 6880 if (wol->wolopts & ~WAKE_MAGIC) 6881 return -EINVAL; 6882 6883 if (wol->wolopts & WAKE_MAGIC) { 6884 if (bp->flags & BNX2_FLAG_NO_WOL) 6885 return -EINVAL; 6886 6887 bp->wol = 1; 6888 } 6889 else { 6890 bp->wol = 0; 6891 } 6892 return 0; 6893} 6894 6895static int 6896bnx2_nway_reset(struct net_device *dev) 6897{ 6898 struct bnx2 *bp = netdev_priv(dev); 6899 u32 bmcr; 6900 6901 if (!netif_running(dev)) 6902 return -EAGAIN; 6903 6904 if (!(bp->autoneg & AUTONEG_SPEED)) { 6905 return -EINVAL; 6906 } 6907 6908 spin_lock_bh(&bp->phy_lock); 6909 6910 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 6911 int rc; 6912 6913 rc = bnx2_setup_remote_phy(bp, bp->phy_port); 6914 spin_unlock_bh(&bp->phy_lock); 6915 return rc; 6916 } 6917 6918 /* Force a link down visible on the other side */ 6919 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 6920 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); 6921 spin_unlock_bh(&bp->phy_lock); 6922 6923 msleep(20); 6924 6925 spin_lock_bh(&bp->phy_lock); 6926 6927 bp->current_interval = BNX2_SERDES_AN_TIMEOUT; 6928 bp->serdes_an_pending = 1; 6929 mod_timer(&bp->timer, jiffies + bp->current_interval); 6930 } 6931 6932 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 6933 bmcr &= ~BMCR_LOOPBACK; 6934 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE); 6935 6936 spin_unlock_bh(&bp->phy_lock); 6937 6938 return 0; 6939} 6940 6941static u32 6942bnx2_get_link(struct net_device *dev) 6943{ 6944 struct bnx2 *bp = netdev_priv(dev); 6945 6946 return bp->link_up; 6947} 6948 6949static int 6950bnx2_get_eeprom_len(struct net_device *dev) 6951{ 6952 struct bnx2 *bp = netdev_priv(dev); 6953 6954 if (bp->flash_info == NULL) 6955 return 0; 6956 6957 return (int) bp->flash_size; 6958} 6959 6960static int 6961bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 6962 u8 *eebuf) 6963{ 6964 struct bnx2 *bp = netdev_priv(dev); 6965 int rc; 6966 6967 if (!netif_running(dev)) 6968 return -EAGAIN; 6969 6970 /* parameters already validated in ethtool_get_eeprom */ 6971 6972 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); 6973 6974 return rc; 6975} 6976 6977static int 6978bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 6979 u8 *eebuf) 6980{ 6981 struct bnx2 *bp = netdev_priv(dev); 6982 int rc; 6983 6984 if (!netif_running(dev)) 6985 return -EAGAIN; 6986 6987 /* parameters already validated in ethtool_set_eeprom */ 6988 6989 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); 6990 6991 return rc; 6992} 6993 6994static int 6995bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) 6996{ 6997 struct bnx2 *bp = netdev_priv(dev); 6998 6999 memset(coal, 0, sizeof(struct ethtool_coalesce)); 7000 7001 coal->rx_coalesce_usecs = bp->rx_ticks; 7002 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip; 7003 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int; 7004 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int; 7005 7006 coal->tx_coalesce_usecs = bp->tx_ticks; 7007 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip; 7008 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int; 7009 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int; 7010 7011 coal->stats_block_coalesce_usecs = bp->stats_ticks; 7012 7013 return 0; 7014} 7015 7016static int 7017bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) 7018{ 7019 struct bnx2 *bp = netdev_priv(dev); 7020 7021 bp->rx_ticks = (u16) coal->rx_coalesce_usecs; 7022 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff; 7023 7024 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; 7025 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff; 7026 7027 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq; 7028 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff; 7029 7030 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq; 7031 if (bp->rx_quick_cons_trip_int > 0xff) 7032 bp->rx_quick_cons_trip_int = 0xff; 7033 7034 bp->tx_ticks = (u16) coal->tx_coalesce_usecs; 7035 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff; 7036 7037 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames; 7038 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff; 7039 7040 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq; 7041 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff; 7042 7043 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq; 7044 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int = 7045 0xff; 7046 7047 bp->stats_ticks = coal->stats_block_coalesce_usecs; 7048 if (bp->flags & BNX2_FLAG_BROKEN_STATS) { 7049 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC) 7050 bp->stats_ticks = USEC_PER_SEC; 7051 } 7052 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS) 7053 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7054 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7055 7056 if (netif_running(bp->dev)) { 7057 bnx2_netif_stop(bp); 7058 bnx2_init_nic(bp, 0); 7059 bnx2_netif_start(bp); 7060 } 7061 7062 return 0; 7063} 7064 7065static void 7066bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) 7067{ 7068 struct bnx2 *bp = netdev_priv(dev); 7069 7070 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT; 7071 ering->rx_mini_max_pending = 0; 7072 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT; 7073 7074 ering->rx_pending = bp->rx_ring_size; 7075 ering->rx_mini_pending = 0; 7076 ering->rx_jumbo_pending = bp->rx_pg_ring_size; 7077 7078 ering->tx_max_pending = MAX_TX_DESC_CNT; 7079 ering->tx_pending = bp->tx_ring_size; 7080} 7081 7082static int 7083bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx) 7084{ 7085 if (netif_running(bp->dev)) { 7086 bnx2_netif_stop(bp); 7087 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); 7088 bnx2_free_skbs(bp); 7089 bnx2_free_mem(bp); 7090 } 7091 7092 bnx2_set_rx_ring_size(bp, rx); 7093 bp->tx_ring_size = tx; 7094 7095 if (netif_running(bp->dev)) { 7096 int rc; 7097 7098 rc = bnx2_alloc_mem(bp); 7099 if (!rc) 7100 rc = bnx2_init_nic(bp, 0); 7101 7102 if (rc) { 7103 bnx2_napi_enable(bp); 7104 dev_close(bp->dev); 7105 return rc; 7106 } 7107 bnx2_netif_start(bp); 7108 } 7109 return 0; 7110} 7111 7112static int 7113bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) 7114{ 7115 struct bnx2 *bp = netdev_priv(dev); 7116 int rc; 7117 7118 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) || 7119 (ering->tx_pending > MAX_TX_DESC_CNT) || 7120 (ering->tx_pending <= MAX_SKB_FRAGS)) { 7121 7122 return -EINVAL; 7123 } 7124 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending); 7125 return rc; 7126} 7127 7128static void 7129bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) 7130{ 7131 struct bnx2 *bp = netdev_priv(dev); 7132 7133 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0); 7134 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0); 7135 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0); 7136} 7137 7138static int 7139bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) 7140{ 7141 struct bnx2 *bp = netdev_priv(dev); 7142 7143 bp->req_flow_ctrl = 0; 7144 if (epause->rx_pause) 7145 bp->req_flow_ctrl |= FLOW_CTRL_RX; 7146 if (epause->tx_pause) 7147 bp->req_flow_ctrl |= FLOW_CTRL_TX; 7148 7149 if (epause->autoneg) { 7150 bp->autoneg |= AUTONEG_FLOW_CTRL; 7151 } 7152 else { 7153 bp->autoneg &= ~AUTONEG_FLOW_CTRL; 7154 } 7155 7156 if (netif_running(dev)) { 7157 spin_lock_bh(&bp->phy_lock); 7158 bnx2_setup_phy(bp, bp->phy_port); 7159 spin_unlock_bh(&bp->phy_lock); 7160 } 7161 7162 return 0; 7163} 7164 7165static u32 7166bnx2_get_rx_csum(struct net_device *dev) 7167{ 7168 struct bnx2 *bp = netdev_priv(dev); 7169 7170 return bp->rx_csum; 7171} 7172 7173static int 7174bnx2_set_rx_csum(struct net_device *dev, u32 data) 7175{ 7176 struct bnx2 *bp = netdev_priv(dev); 7177 7178 bp->rx_csum = data; 7179 return 0; 7180} 7181 7182static int 7183bnx2_set_tso(struct net_device *dev, u32 data) 7184{ 7185 struct bnx2 *bp = netdev_priv(dev); 7186 7187 if (data) { 7188 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; 7189 if (CHIP_NUM(bp) == CHIP_NUM_5709) 7190 dev->features |= NETIF_F_TSO6; 7191 } else 7192 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 | 7193 NETIF_F_TSO_ECN); 7194 return 0; 7195} 7196 7197static struct { 7198 char string[ETH_GSTRING_LEN]; 7199} bnx2_stats_str_arr[] = { 7200 { "rx_bytes" }, 7201 { "rx_error_bytes" }, 7202 { "tx_bytes" }, 7203 { "tx_error_bytes" }, 7204 { "rx_ucast_packets" }, 7205 { "rx_mcast_packets" }, 7206 { "rx_bcast_packets" }, 7207 { "tx_ucast_packets" }, 7208 { "tx_mcast_packets" }, 7209 { "tx_bcast_packets" }, 7210 { "tx_mac_errors" }, 7211 { "tx_carrier_errors" }, 7212 { "rx_crc_errors" }, 7213 { "rx_align_errors" }, 7214 { "tx_single_collisions" }, 7215 { "tx_multi_collisions" }, 7216 { "tx_deferred" }, 7217 { "tx_excess_collisions" }, 7218 { "tx_late_collisions" }, 7219 { "tx_total_collisions" }, 7220 { "rx_fragments" }, 7221 { "rx_jabbers" }, 7222 { "rx_undersize_packets" }, 7223 { "rx_oversize_packets" }, 7224 { "rx_64_byte_packets" }, 7225 { "rx_65_to_127_byte_packets" }, 7226 { "rx_128_to_255_byte_packets" }, 7227 { "rx_256_to_511_byte_packets" }, 7228 { "rx_512_to_1023_byte_packets" }, 7229 { "rx_1024_to_1522_byte_packets" }, 7230 { "rx_1523_to_9022_byte_packets" }, 7231 { "tx_64_byte_packets" }, 7232 { "tx_65_to_127_byte_packets" }, 7233 { "tx_128_to_255_byte_packets" }, 7234 { "tx_256_to_511_byte_packets" }, 7235 { "tx_512_to_1023_byte_packets" }, 7236 { "tx_1024_to_1522_byte_packets" }, 7237 { "tx_1523_to_9022_byte_packets" }, 7238 { "rx_xon_frames" }, 7239 { "rx_xoff_frames" }, 7240 { "tx_xon_frames" }, 7241 { "tx_xoff_frames" }, 7242 { "rx_mac_ctrl_frames" }, 7243 { "rx_filtered_packets" }, 7244 { "rx_ftq_discards" }, 7245 { "rx_discards" }, 7246 { "rx_fw_discards" }, 7247}; 7248 7249#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\ 7250 sizeof(bnx2_stats_str_arr[0])) 7251 7252#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4) 7253 7254static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = { 7255 STATS_OFFSET32(stat_IfHCInOctets_hi), 7256 STATS_OFFSET32(stat_IfHCInBadOctets_hi), 7257 STATS_OFFSET32(stat_IfHCOutOctets_hi), 7258 STATS_OFFSET32(stat_IfHCOutBadOctets_hi), 7259 STATS_OFFSET32(stat_IfHCInUcastPkts_hi), 7260 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi), 7261 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi), 7262 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi), 7263 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi), 7264 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi), 7265 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors), 7266 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), 7267 STATS_OFFSET32(stat_Dot3StatsFCSErrors), 7268 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors), 7269 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames), 7270 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames), 7271 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), 7272 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions), 7273 STATS_OFFSET32(stat_Dot3StatsLateCollisions), 7274 STATS_OFFSET32(stat_EtherStatsCollisions), 7275 STATS_OFFSET32(stat_EtherStatsFragments), 7276 STATS_OFFSET32(stat_EtherStatsJabbers), 7277 STATS_OFFSET32(stat_EtherStatsUndersizePkts), 7278 STATS_OFFSET32(stat_EtherStatsOverrsizePkts), 7279 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets), 7280 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets), 7281 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets), 7282 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets), 7283 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets), 7284 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets), 7285 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets), 7286 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets), 7287 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets), 7288 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets), 7289 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets), 7290 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets), 7291 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets), 7292 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets), 7293 STATS_OFFSET32(stat_XonPauseFramesReceived), 7294 STATS_OFFSET32(stat_XoffPauseFramesReceived), 7295 STATS_OFFSET32(stat_OutXonSent), 7296 STATS_OFFSET32(stat_OutXoffSent), 7297 STATS_OFFSET32(stat_MacControlFramesReceived), 7298 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards), 7299 STATS_OFFSET32(stat_IfInFTQDiscards), 7300 STATS_OFFSET32(stat_IfInMBUFDiscards), 7301 STATS_OFFSET32(stat_FwRxDrop), 7302}; 7303 7304/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are 7305 * skipped because of errata. 7306 */ 7307static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = { 7308 8,0,8,8,8,8,8,8,8,8, 7309 4,0,4,4,4,4,4,4,4,4, 7310 4,4,4,4,4,4,4,4,4,4, 7311 4,4,4,4,4,4,4,4,4,4, 7312 4,4,4,4,4,4,4, 7313}; 7314 7315static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = { 7316 8,0,8,8,8,8,8,8,8,8, 7317 4,4,4,4,4,4,4,4,4,4, 7318 4,4,4,4,4,4,4,4,4,4, 7319 4,4,4,4,4,4,4,4,4,4, 7320 4,4,4,4,4,4,4, 7321}; 7322 7323#define BNX2_NUM_TESTS 6 7324 7325static struct { 7326 char string[ETH_GSTRING_LEN]; 7327} bnx2_tests_str_arr[BNX2_NUM_TESTS] = { 7328 { "register_test (offline)" }, 7329 { "memory_test (offline)" }, 7330 { "loopback_test (offline)" }, 7331 { "nvram_test (online)" }, 7332 { "interrupt_test (online)" }, 7333 { "link_test (online)" }, 7334}; 7335 7336static int 7337bnx2_get_sset_count(struct net_device *dev, int sset) 7338{ 7339 switch (sset) { 7340 case ETH_SS_TEST: 7341 return BNX2_NUM_TESTS; 7342 case ETH_SS_STATS: 7343 return BNX2_NUM_STATS; 7344 default: 7345 return -EOPNOTSUPP; 7346 } 7347} 7348 7349static void 7350bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) 7351{ 7352 struct bnx2 *bp = netdev_priv(dev); 7353 7354 bnx2_set_power_state(bp, PCI_D0); 7355 7356 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS); 7357 if (etest->flags & ETH_TEST_FL_OFFLINE) { 7358 int i; 7359 7360 bnx2_netif_stop(bp); 7361 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); 7362 bnx2_free_skbs(bp); 7363 7364 if (bnx2_test_registers(bp) != 0) { 7365 buf[0] = 1; 7366 etest->flags |= ETH_TEST_FL_FAILED; 7367 } 7368 if (bnx2_test_memory(bp) != 0) { 7369 buf[1] = 1; 7370 etest->flags |= ETH_TEST_FL_FAILED; 7371 } 7372 if ((buf[2] = bnx2_test_loopback(bp)) != 0) 7373 etest->flags |= ETH_TEST_FL_FAILED; 7374 7375 if (!netif_running(bp->dev)) 7376 bnx2_shutdown_chip(bp); 7377 else { 7378 bnx2_init_nic(bp, 1); 7379 bnx2_netif_start(bp); 7380 } 7381 7382 /* wait for link up */ 7383 for (i = 0; i < 7; i++) { 7384 if (bp->link_up) 7385 break; 7386 msleep_interruptible(1000); 7387 } 7388 } 7389 7390 if (bnx2_test_nvram(bp) != 0) { 7391 buf[3] = 1; 7392 etest->flags |= ETH_TEST_FL_FAILED; 7393 } 7394 if (bnx2_test_intr(bp) != 0) { 7395 buf[4] = 1; 7396 etest->flags |= ETH_TEST_FL_FAILED; 7397 } 7398 7399 if (bnx2_test_link(bp) != 0) { 7400 buf[5] = 1; 7401 etest->flags |= ETH_TEST_FL_FAILED; 7402 7403 } 7404 if (!netif_running(bp->dev)) 7405 bnx2_set_power_state(bp, PCI_D3hot); 7406} 7407 7408static void 7409bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 7410{ 7411 switch (stringset) { 7412 case ETH_SS_STATS: 7413 memcpy(buf, bnx2_stats_str_arr, 7414 sizeof(bnx2_stats_str_arr)); 7415 break; 7416 case ETH_SS_TEST: 7417 memcpy(buf, bnx2_tests_str_arr, 7418 sizeof(bnx2_tests_str_arr)); 7419 break; 7420 } 7421} 7422 7423static void 7424bnx2_get_ethtool_stats(struct net_device *dev, 7425 struct ethtool_stats *stats, u64 *buf) 7426{ 7427 struct bnx2 *bp = netdev_priv(dev); 7428 int i; 7429 u32 *hw_stats = (u32 *) bp->stats_blk; 7430 u8 *stats_len_arr = NULL; 7431 7432 if (hw_stats == NULL) { 7433 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS); 7434 return; 7435 } 7436 7437 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || 7438 (CHIP_ID(bp) == CHIP_ID_5706_A1) || 7439 (CHIP_ID(bp) == CHIP_ID_5706_A2) || 7440 (CHIP_ID(bp) == CHIP_ID_5708_A0)) 7441 stats_len_arr = bnx2_5706_stats_len_arr; 7442 else 7443 stats_len_arr = bnx2_5708_stats_len_arr; 7444 7445 for (i = 0; i < BNX2_NUM_STATS; i++) { 7446 if (stats_len_arr[i] == 0) { 7447 /* skip this counter */ 7448 buf[i] = 0; 7449 continue; 7450 } 7451 if (stats_len_arr[i] == 4) { 7452 /* 4-byte counter */ 7453 buf[i] = (u64) 7454 *(hw_stats + bnx2_stats_offset_arr[i]); 7455 continue; 7456 } 7457 /* 8-byte counter */ 7458 buf[i] = (((u64) *(hw_stats + 7459 bnx2_stats_offset_arr[i])) << 32) + 7460 *(hw_stats + bnx2_stats_offset_arr[i] + 1); 7461 } 7462} 7463 7464static int 7465bnx2_phys_id(struct net_device *dev, u32 data) 7466{ 7467 struct bnx2 *bp = netdev_priv(dev); 7468 int i; 7469 u32 save; 7470 7471 bnx2_set_power_state(bp, PCI_D0); 7472 7473 if (data == 0) 7474 data = 2; 7475 7476 save = REG_RD(bp, BNX2_MISC_CFG); 7477 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC); 7478 7479 for (i = 0; i < (data * 2); i++) { 7480 if ((i % 2) == 0) { 7481 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE); 7482 } 7483 else { 7484 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE | 7485 BNX2_EMAC_LED_1000MB_OVERRIDE | 7486 BNX2_EMAC_LED_100MB_OVERRIDE | 7487 BNX2_EMAC_LED_10MB_OVERRIDE | 7488 BNX2_EMAC_LED_TRAFFIC_OVERRIDE | 7489 BNX2_EMAC_LED_TRAFFIC); 7490 } 7491 msleep_interruptible(500); 7492 if (signal_pending(current)) 7493 break; 7494 } 7495 REG_WR(bp, BNX2_EMAC_LED, 0); 7496 REG_WR(bp, BNX2_MISC_CFG, save); 7497 7498 if (!netif_running(dev)) 7499 bnx2_set_power_state(bp, PCI_D3hot); 7500 7501 return 0; 7502} 7503 7504static int 7505bnx2_set_tx_csum(struct net_device *dev, u32 data) 7506{ 7507 struct bnx2 *bp = netdev_priv(dev); 7508 7509 if (CHIP_NUM(bp) == CHIP_NUM_5709) 7510 return (ethtool_op_set_tx_ipv6_csum(dev, data)); 7511 else 7512 return (ethtool_op_set_tx_csum(dev, data)); 7513} 7514 7515static const struct ethtool_ops bnx2_ethtool_ops = { 7516 .get_settings = bnx2_get_settings, 7517 .set_settings = bnx2_set_settings, 7518 .get_drvinfo = bnx2_get_drvinfo, 7519 .get_regs_len = bnx2_get_regs_len, 7520 .get_regs = bnx2_get_regs, 7521 .get_wol = bnx2_get_wol, 7522 .set_wol = bnx2_set_wol, 7523 .nway_reset = bnx2_nway_reset, 7524 .get_link = bnx2_get_link, 7525 .get_eeprom_len = bnx2_get_eeprom_len, 7526 .get_eeprom = bnx2_get_eeprom, 7527 .set_eeprom = bnx2_set_eeprom, 7528 .get_coalesce = bnx2_get_coalesce, 7529 .set_coalesce = bnx2_set_coalesce, 7530 .get_ringparam = bnx2_get_ringparam, 7531 .set_ringparam = bnx2_set_ringparam, 7532 .get_pauseparam = bnx2_get_pauseparam, 7533 .set_pauseparam = bnx2_set_pauseparam, 7534 .get_rx_csum = bnx2_get_rx_csum, 7535 .set_rx_csum = bnx2_set_rx_csum, 7536 .set_tx_csum = bnx2_set_tx_csum, 7537 .set_sg = ethtool_op_set_sg, 7538 .set_tso = bnx2_set_tso, 7539 .self_test = bnx2_self_test, 7540 .get_strings = bnx2_get_strings, 7541 .phys_id = bnx2_phys_id, 7542 .get_ethtool_stats = bnx2_get_ethtool_stats, 7543 .get_sset_count = bnx2_get_sset_count, 7544}; 7545 7546/* Called with rtnl_lock */ 7547static int 7548bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 7549{ 7550 struct mii_ioctl_data *data = if_mii(ifr); 7551 struct bnx2 *bp = netdev_priv(dev); 7552 int err; 7553 7554 switch(cmd) { 7555 case SIOCGMIIPHY: 7556 data->phy_id = bp->phy_addr; 7557 7558 /* fallthru */ 7559 case SIOCGMIIREG: { 7560 u32 mii_regval; 7561 7562 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 7563 return -EOPNOTSUPP; 7564 7565 if (!netif_running(dev)) 7566 return -EAGAIN; 7567 7568 spin_lock_bh(&bp->phy_lock); 7569 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval); 7570 spin_unlock_bh(&bp->phy_lock); 7571 7572 data->val_out = mii_regval; 7573 7574 return err; 7575 } 7576 7577 case SIOCSMIIREG: 7578 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 7579 return -EOPNOTSUPP; 7580 7581 if (!netif_running(dev)) 7582 return -EAGAIN; 7583 7584 spin_lock_bh(&bp->phy_lock); 7585 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in); 7586 spin_unlock_bh(&bp->phy_lock); 7587 7588 return err; 7589 7590 default: 7591 /* do nothing */ 7592 break; 7593 } 7594 return -EOPNOTSUPP; 7595} 7596 7597/* Called with rtnl_lock */ 7598static int 7599bnx2_change_mac_addr(struct net_device *dev, void *p) 7600{ 7601 struct sockaddr *addr = p; 7602 struct bnx2 *bp = netdev_priv(dev); 7603 7604 if (!is_valid_ether_addr(addr->sa_data)) 7605 return -EINVAL; 7606 7607 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 7608 if (netif_running(dev)) 7609 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 7610 7611 return 0; 7612} 7613 7614/* Called with rtnl_lock */ 7615static int 7616bnx2_change_mtu(struct net_device *dev, int new_mtu) 7617{ 7618 struct bnx2 *bp = netdev_priv(dev); 7619 7620 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || 7621 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE)) 7622 return -EINVAL; 7623 7624 dev->mtu = new_mtu; 7625 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size)); 7626} 7627 7628#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) 7629static void 7630poll_bnx2(struct net_device *dev) 7631{ 7632 struct bnx2 *bp = netdev_priv(dev); 7633 int i; 7634 7635 for (i = 0; i < bp->irq_nvecs; i++) { 7636 disable_irq(bp->irq_tbl[i].vector); 7637 bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]); 7638 enable_irq(bp->irq_tbl[i].vector); 7639 } 7640} 7641#endif 7642 7643static void __devinit 7644bnx2_get_5709_media(struct bnx2 *bp) 7645{ 7646 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL); 7647 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID; 7648 u32 strap; 7649 7650 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) 7651 return; 7652 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) { 7653 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7654 return; 7655 } 7656 7657 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) 7658 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21; 7659 else 7660 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8; 7661 7662 if (PCI_FUNC(bp->pdev->devfn) == 0) { 7663 switch (strap) { 7664 case 0x4: 7665 case 0x5: 7666 case 0x6: 7667 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7668 return; 7669 } 7670 } else { 7671 switch (strap) { 7672 case 0x1: 7673 case 0x2: 7674 case 0x4: 7675 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7676 return; 7677 } 7678 } 7679} 7680 7681static void __devinit 7682bnx2_get_pci_speed(struct bnx2 *bp) 7683{ 7684 u32 reg; 7685 7686 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS); 7687 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) { 7688 u32 clkreg; 7689 7690 bp->flags |= BNX2_FLAG_PCIX; 7691 7692 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS); 7693 7694 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET; 7695 switch (clkreg) { 7696 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ: 7697 bp->bus_speed_mhz = 133; 7698 break; 7699 7700 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ: 7701 bp->bus_speed_mhz = 100; 7702 break; 7703 7704 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ: 7705 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ: 7706 bp->bus_speed_mhz = 66; 7707 break; 7708 7709 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ: 7710 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ: 7711 bp->bus_speed_mhz = 50; 7712 break; 7713 7714 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW: 7715 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ: 7716 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ: 7717 bp->bus_speed_mhz = 33; 7718 break; 7719 } 7720 } 7721 else { 7722 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN) 7723 bp->bus_speed_mhz = 66; 7724 else 7725 bp->bus_speed_mhz = 33; 7726 } 7727 7728 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET) 7729 bp->flags |= BNX2_FLAG_PCI_32BIT; 7730 7731} 7732 7733static void __devinit 7734bnx2_read_vpd_fw_ver(struct bnx2 *bp) 7735{ 7736 int rc, i, v0_len = 0; 7737 u8 *data; 7738 u8 *v0_str = NULL; 7739 bool mn_match = false; 7740 7741#define BNX2_VPD_NVRAM_OFFSET 0x300 7742#define BNX2_VPD_LEN 128 7743#define BNX2_MAX_VER_SLEN 30 7744 7745 data = kmalloc(256, GFP_KERNEL); 7746 if (!data) 7747 return; 7748 7749 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN, 7750 BNX2_VPD_LEN); 7751 if (rc) 7752 goto vpd_done; 7753 7754 for (i = 0; i < BNX2_VPD_LEN; i += 4) { 7755 data[i] = data[i + BNX2_VPD_LEN + 3]; 7756 data[i + 1] = data[i + BNX2_VPD_LEN + 2]; 7757 data[i + 2] = data[i + BNX2_VPD_LEN + 1]; 7758 data[i + 3] = data[i + BNX2_VPD_LEN]; 7759 } 7760 7761 for (i = 0; i <= BNX2_VPD_LEN - 3; ) { 7762 unsigned char val = data[i]; 7763 unsigned int block_end; 7764 7765 if (val == 0x82 || val == 0x91) { 7766 i = (i + 3 + (data[i + 1] + (data[i + 2] << 8))); 7767 continue; 7768 } 7769 7770 if (val != 0x90) 7771 goto vpd_done; 7772 7773 block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8))); 7774 i += 3; 7775 7776 if (block_end > BNX2_VPD_LEN) 7777 goto vpd_done; 7778 7779 while (i < (block_end - 2)) { 7780 int len = data[i + 2]; 7781 7782 if (i + 3 + len > block_end) 7783 goto vpd_done; 7784 7785 if (data[i] == 'M' && data[i + 1] == 'N') { 7786 if (len != 4 || 7787 memcmp(&data[i + 3], "1028", 4)) 7788 goto vpd_done; 7789 mn_match = true; 7790 7791 } else if (data[i] == 'V' && data[i + 1] == '0') { 7792 if (len > BNX2_MAX_VER_SLEN) 7793 goto vpd_done; 7794 7795 v0_len = len; 7796 v0_str = &data[i + 3]; 7797 } 7798 i += 3 + len; 7799 7800 if (mn_match && v0_str) { 7801 memcpy(bp->fw_version, v0_str, v0_len); 7802 bp->fw_version[v0_len] = ' '; 7803 goto vpd_done; 7804 } 7805 } 7806 goto vpd_done; 7807 } 7808 7809vpd_done: 7810 kfree(data); 7811} 7812 7813static int __devinit 7814bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) 7815{ 7816 struct bnx2 *bp; 7817 unsigned long mem_len; 7818 int rc, i, j; 7819 u32 reg; 7820 u64 dma_mask, persist_dma_mask; 7821 7822 SET_NETDEV_DEV(dev, &pdev->dev); 7823 bp = netdev_priv(dev); 7824 7825 bp->flags = 0; 7826 bp->phy_flags = 0; 7827 7828 /* enable device (incl. PCI PM wakeup), and bus-mastering */ 7829 rc = pci_enable_device(pdev); 7830 if (rc) { 7831 dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n"); 7832 goto err_out; 7833 } 7834 7835 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 7836 dev_err(&pdev->dev, 7837 "Cannot find PCI device base address, aborting.\n"); 7838 rc = -ENODEV; 7839 goto err_out_disable; 7840 } 7841 7842 rc = pci_request_regions(pdev, DRV_MODULE_NAME); 7843 if (rc) { 7844 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n"); 7845 goto err_out_disable; 7846 } 7847 7848 pci_set_master(pdev); 7849 pci_save_state(pdev); 7850 7851 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); 7852 if (bp->pm_cap == 0) { 7853 dev_err(&pdev->dev, 7854 "Cannot find power management capability, aborting.\n"); 7855 rc = -EIO; 7856 goto err_out_release; 7857 } 7858 7859 bp->dev = dev; 7860 bp->pdev = pdev; 7861 7862 spin_lock_init(&bp->phy_lock); 7863 spin_lock_init(&bp->indirect_lock); 7864#ifdef BCM_CNIC 7865 mutex_init(&bp->cnic_lock); 7866#endif 7867 INIT_WORK(&bp->reset_task, bnx2_reset_task); 7868 7869 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); 7870 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1); 7871 dev->mem_end = dev->mem_start + mem_len; 7872 dev->irq = pdev->irq; 7873 7874 bp->regview = ioremap_nocache(dev->base_addr, mem_len); 7875 7876 if (!bp->regview) { 7877 dev_err(&pdev->dev, "Cannot map register space, aborting.\n"); 7878 rc = -ENOMEM; 7879 goto err_out_release; 7880 } 7881 7882 /* Configure byte swap and enable write to the reg_window registers. 7883 * Rely on CPU to do target byte swapping on big endian systems 7884 * The chip's target access swapping will not swap all accesses 7885 */ 7886 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, 7887 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 7888 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP); 7889 7890 bnx2_set_power_state(bp, PCI_D0); 7891 7892 bp->chip_id = REG_RD(bp, BNX2_MISC_ID); 7893 7894 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 7895 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) { 7896 dev_err(&pdev->dev, 7897 "Cannot find PCIE capability, aborting.\n"); 7898 rc = -EIO; 7899 goto err_out_unmap; 7900 } 7901 bp->flags |= BNX2_FLAG_PCIE; 7902 if (CHIP_REV(bp) == CHIP_REV_Ax) 7903 bp->flags |= BNX2_FLAG_JUMBO_BROKEN; 7904 } else { 7905 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); 7906 if (bp->pcix_cap == 0) { 7907 dev_err(&pdev->dev, 7908 "Cannot find PCIX capability, aborting.\n"); 7909 rc = -EIO; 7910 goto err_out_unmap; 7911 } 7912 bp->flags |= BNX2_FLAG_BROKEN_STATS; 7913 } 7914 7915 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) { 7916 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) 7917 bp->flags |= BNX2_FLAG_MSIX_CAP; 7918 } 7919 7920 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) { 7921 if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) 7922 bp->flags |= BNX2_FLAG_MSI_CAP; 7923 } 7924 7925 /* 5708 cannot support DMA addresses > 40-bit. */ 7926 if (CHIP_NUM(bp) == CHIP_NUM_5708) 7927 persist_dma_mask = dma_mask = DMA_BIT_MASK(40); 7928 else 7929 persist_dma_mask = dma_mask = DMA_BIT_MASK(64); 7930 7931 /* Configure DMA attributes. */ 7932 if (pci_set_dma_mask(pdev, dma_mask) == 0) { 7933 dev->features |= NETIF_F_HIGHDMA; 7934 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask); 7935 if (rc) { 7936 dev_err(&pdev->dev, 7937 "pci_set_consistent_dma_mask failed, aborting.\n"); 7938 goto err_out_unmap; 7939 } 7940 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { 7941 dev_err(&pdev->dev, "System does not support DMA, aborting.\n"); 7942 goto err_out_unmap; 7943 } 7944 7945 if (!(bp->flags & BNX2_FLAG_PCIE)) 7946 bnx2_get_pci_speed(bp); 7947 7948 /* 5706A0 may falsely detect SERR and PERR. */ 7949 if (CHIP_ID(bp) == CHIP_ID_5706_A0) { 7950 reg = REG_RD(bp, PCI_COMMAND); 7951 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY); 7952 REG_WR(bp, PCI_COMMAND, reg); 7953 } 7954 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) && 7955 !(bp->flags & BNX2_FLAG_PCIX)) { 7956 7957 dev_err(&pdev->dev, 7958 "5706 A1 can only be used in a PCIX bus, aborting.\n"); 7959 goto err_out_unmap; 7960 } 7961 7962 bnx2_init_nvram(bp); 7963 7964 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE); 7965 7966 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) == 7967 BNX2_SHM_HDR_SIGNATURE_SIG) { 7968 u32 off = PCI_FUNC(pdev->devfn) << 2; 7969 7970 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off); 7971 } else 7972 bp->shmem_base = HOST_VIEW_SHMEM_BASE; 7973 7974 /* Get the permanent MAC address. First we need to make sure the 7975 * firmware is actually running. 7976 */ 7977 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE); 7978 7979 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) != 7980 BNX2_DEV_INFO_SIGNATURE_MAGIC) { 7981 dev_err(&pdev->dev, "Firmware not running, aborting.\n"); 7982 rc = -ENODEV; 7983 goto err_out_unmap; 7984 } 7985 7986 bnx2_read_vpd_fw_ver(bp); 7987 7988 j = strlen(bp->fw_version); 7989 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV); 7990 for (i = 0; i < 3 && j < 24; i++) { 7991 u8 num, k, skip0; 7992 7993 if (i == 0) { 7994 bp->fw_version[j++] = 'b'; 7995 bp->fw_version[j++] = 'c'; 7996 bp->fw_version[j++] = ' '; 7997 } 7998 num = (u8) (reg >> (24 - (i * 8))); 7999 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) { 8000 if (num >= k || !skip0 || k == 1) { 8001 bp->fw_version[j++] = (num / k) + '0'; 8002 skip0 = 0; 8003 } 8004 } 8005 if (i != 2) 8006 bp->fw_version[j++] = '.'; 8007 } 8008 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE); 8009 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED) 8010 bp->wol = 1; 8011 8012 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) { 8013 bp->flags |= BNX2_FLAG_ASF_ENABLE; 8014 8015 for (i = 0; i < 30; i++) { 8016 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); 8017 if (reg & BNX2_CONDITION_MFW_RUN_MASK) 8018 break; 8019 msleep(10); 8020 } 8021 } 8022 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); 8023 reg &= BNX2_CONDITION_MFW_RUN_MASK; 8024 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN && 8025 reg != BNX2_CONDITION_MFW_RUN_NONE) { 8026 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR); 8027 8028 if (j < 32) 8029 bp->fw_version[j++] = ' '; 8030 for (i = 0; i < 3 && j < 28; i++) { 8031 reg = bnx2_reg_rd_ind(bp, addr + i * 4); 8032 reg = swab32(reg); 8033 memcpy(&bp->fw_version[j], &reg, 4); 8034 j += 4; 8035 } 8036 } 8037 8038 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER); 8039 bp->mac_addr[0] = (u8) (reg >> 8); 8040 bp->mac_addr[1] = (u8) reg; 8041 8042 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER); 8043 bp->mac_addr[2] = (u8) (reg >> 24); 8044 bp->mac_addr[3] = (u8) (reg >> 16); 8045 bp->mac_addr[4] = (u8) (reg >> 8); 8046 bp->mac_addr[5] = (u8) reg; 8047 8048 bp->tx_ring_size = MAX_TX_DESC_CNT; 8049 bnx2_set_rx_ring_size(bp, 255); 8050 8051 bp->rx_csum = 1; 8052 8053 bp->tx_quick_cons_trip_int = 2; 8054 bp->tx_quick_cons_trip = 20; 8055 bp->tx_ticks_int = 18; 8056 bp->tx_ticks = 80; 8057 8058 bp->rx_quick_cons_trip_int = 2; 8059 bp->rx_quick_cons_trip = 12; 8060 bp->rx_ticks_int = 18; 8061 bp->rx_ticks = 18; 8062 8063 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 8064 8065 bp->current_interval = BNX2_TIMER_INTERVAL; 8066 8067 bp->phy_addr = 1; 8068 8069 /* Disable WOL support if we are running on a SERDES chip. */ 8070 if (CHIP_NUM(bp) == CHIP_NUM_5709) 8071 bnx2_get_5709_media(bp); 8072 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) 8073 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 8074 8075 bp->phy_port = PORT_TP; 8076 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 8077 bp->phy_port = PORT_FIBRE; 8078 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); 8079 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) { 8080 bp->flags |= BNX2_FLAG_NO_WOL; 8081 bp->wol = 0; 8082 } 8083 if (CHIP_NUM(bp) == CHIP_NUM_5706) { 8084 /* Don't do parallel detect on this board because of 8085 * some board problems. The link will not go down 8086 * if we do parallel detect. 8087 */ 8088 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 8089 pdev->subsystem_device == 0x310c) 8090 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL; 8091 } else { 8092 bp->phy_addr = 2; 8093 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G) 8094 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE; 8095 } 8096 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 || 8097 CHIP_NUM(bp) == CHIP_NUM_5708) 8098 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX; 8099 else if (CHIP_NUM(bp) == CHIP_NUM_5709 && 8100 (CHIP_REV(bp) == CHIP_REV_Ax || 8101 CHIP_REV(bp) == CHIP_REV_Bx)) 8102 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC; 8103 8104 bnx2_init_fw_cap(bp); 8105 8106 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || 8107 (CHIP_ID(bp) == CHIP_ID_5708_B0) || 8108 (CHIP_ID(bp) == CHIP_ID_5708_B1) || 8109 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) { 8110 bp->flags |= BNX2_FLAG_NO_WOL; 8111 bp->wol = 0; 8112 } 8113 8114 if (CHIP_ID(bp) == CHIP_ID_5706_A0) { 8115 bp->tx_quick_cons_trip_int = 8116 bp->tx_quick_cons_trip; 8117 bp->tx_ticks_int = bp->tx_ticks; 8118 bp->rx_quick_cons_trip_int = 8119 bp->rx_quick_cons_trip; 8120 bp->rx_ticks_int = bp->rx_ticks; 8121 bp->comp_prod_trip_int = bp->comp_prod_trip; 8122 bp->com_ticks_int = bp->com_ticks; 8123 bp->cmd_ticks_int = bp->cmd_ticks; 8124 } 8125 8126 /* Disable MSI on 5706 if AMD 8132 bridge is found. 8127 * 8128 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes 8129 * with byte enables disabled on the unused 32-bit word. This is legal 8130 * but causes problems on the AMD 8132 which will eventually stop 8131 * responding after a while. 8132 * 8133 * AMD believes this incompatibility is unique to the 5706, and 8134 * prefers to locally disable MSI rather than globally disabling it. 8135 */ 8136 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) { 8137 struct pci_dev *amd_8132 = NULL; 8138 8139 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD, 8140 PCI_DEVICE_ID_AMD_8132_BRIDGE, 8141 amd_8132))) { 8142 8143 if (amd_8132->revision >= 0x10 && 8144 amd_8132->revision <= 0x13) { 8145 disable_msi = 1; 8146 pci_dev_put(amd_8132); 8147 break; 8148 } 8149 } 8150 } 8151 8152 bnx2_set_default_link(bp); 8153 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; 8154 8155 init_timer(&bp->timer); 8156 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL); 8157 bp->timer.data = (unsigned long) bp; 8158 bp->timer.function = bnx2_timer; 8159 8160 return 0; 8161 8162err_out_unmap: 8163 if (bp->regview) { 8164 iounmap(bp->regview); 8165 bp->regview = NULL; 8166 } 8167 8168err_out_release: 8169 pci_release_regions(pdev); 8170 8171err_out_disable: 8172 pci_disable_device(pdev); 8173 pci_set_drvdata(pdev, NULL); 8174 8175err_out: 8176 return rc; 8177} 8178 8179static char * __devinit 8180bnx2_bus_string(struct bnx2 *bp, char *str) 8181{ 8182 char *s = str; 8183 8184 if (bp->flags & BNX2_FLAG_PCIE) { 8185 s += sprintf(s, "PCI Express"); 8186 } else { 8187 s += sprintf(s, "PCI"); 8188 if (bp->flags & BNX2_FLAG_PCIX) 8189 s += sprintf(s, "-X"); 8190 if (bp->flags & BNX2_FLAG_PCI_32BIT) 8191 s += sprintf(s, " 32-bit"); 8192 else 8193 s += sprintf(s, " 64-bit"); 8194 s += sprintf(s, " %dMHz", bp->bus_speed_mhz); 8195 } 8196 return str; 8197} 8198 8199static void __devinit 8200bnx2_init_napi(struct bnx2 *bp) 8201{ 8202 int i; 8203 8204 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 8205 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 8206 int (*poll)(struct napi_struct *, int); 8207 8208 if (i == 0) 8209 poll = bnx2_poll; 8210 else 8211 poll = bnx2_poll_msix; 8212 8213 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64); 8214 bnapi->bp = bp; 8215 } 8216} 8217 8218static const struct net_device_ops bnx2_netdev_ops = { 8219 .ndo_open = bnx2_open, 8220 .ndo_start_xmit = bnx2_start_xmit, 8221 .ndo_stop = bnx2_close, 8222 .ndo_get_stats = bnx2_get_stats, 8223 .ndo_set_rx_mode = bnx2_set_rx_mode, 8224 .ndo_do_ioctl = bnx2_ioctl, 8225 .ndo_validate_addr = eth_validate_addr, 8226 .ndo_set_mac_address = bnx2_change_mac_addr, 8227 .ndo_change_mtu = bnx2_change_mtu, 8228 .ndo_tx_timeout = bnx2_tx_timeout, 8229#ifdef BCM_VLAN 8230 .ndo_vlan_rx_register = bnx2_vlan_rx_register, 8231#endif 8232#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) 8233 .ndo_poll_controller = poll_bnx2, 8234#endif 8235}; 8236 8237static void inline vlan_features_add(struct net_device *dev, unsigned long flags) 8238{ 8239#ifdef BCM_VLAN 8240 dev->vlan_features |= flags; 8241#endif 8242} 8243 8244static int __devinit 8245bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 8246{ 8247 static int version_printed = 0; 8248 struct net_device *dev = NULL; 8249 struct bnx2 *bp; 8250 int rc; 8251 char str[40]; 8252 8253 if (version_printed++ == 0) 8254 printk(KERN_INFO "%s", version); 8255 8256 /* dev zeroed in init_etherdev */ 8257 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS); 8258 8259 if (!dev) 8260 return -ENOMEM; 8261 8262 rc = bnx2_init_board(pdev, dev); 8263 if (rc < 0) { 8264 free_netdev(dev); 8265 return rc; 8266 } 8267 8268 dev->netdev_ops = &bnx2_netdev_ops; 8269 dev->watchdog_timeo = TX_TIMEOUT; 8270 dev->ethtool_ops = &bnx2_ethtool_ops; 8271 8272 bp = netdev_priv(dev); 8273 bnx2_init_napi(bp); 8274 8275 pci_set_drvdata(pdev, dev); 8276 8277 rc = bnx2_request_firmware(bp); 8278 if (rc) 8279 goto error; 8280 8281 memcpy(dev->dev_addr, bp->mac_addr, 6); 8282 memcpy(dev->perm_addr, bp->mac_addr, 6); 8283 8284 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; 8285 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG); 8286 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 8287 dev->features |= NETIF_F_IPV6_CSUM; 8288 vlan_features_add(dev, NETIF_F_IPV6_CSUM); 8289 } 8290#ifdef BCM_VLAN 8291 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; 8292#endif 8293 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; 8294 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN); 8295 if (CHIP_NUM(bp) == CHIP_NUM_5709) { 8296 dev->features |= NETIF_F_TSO6; 8297 vlan_features_add(dev, NETIF_F_TSO6); 8298 } 8299 if ((rc = register_netdev(dev))) { 8300 dev_err(&pdev->dev, "Cannot register net device\n"); 8301 goto error; 8302 } 8303 8304 printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, " 8305 "IRQ %d, node addr %pM\n", 8306 dev->name, 8307 board_info[ent->driver_data].name, 8308 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', 8309 ((CHIP_ID(bp) & 0x0ff0) >> 4), 8310 bnx2_bus_string(bp, str), 8311 dev->base_addr, 8312 bp->pdev->irq, dev->dev_addr); 8313 8314 return 0; 8315 8316error: 8317 if (bp->mips_firmware) 8318 release_firmware(bp->mips_firmware); 8319 if (bp->rv2p_firmware) 8320 release_firmware(bp->rv2p_firmware); 8321 8322 if (bp->regview) 8323 iounmap(bp->regview); 8324 pci_release_regions(pdev); 8325 pci_disable_device(pdev); 8326 pci_set_drvdata(pdev, NULL); 8327 free_netdev(dev); 8328 return rc; 8329} 8330 8331static void __devexit 8332bnx2_remove_one(struct pci_dev *pdev) 8333{ 8334 struct net_device *dev = pci_get_drvdata(pdev); 8335 struct bnx2 *bp = netdev_priv(dev); 8336 8337 flush_scheduled_work(); 8338 8339 unregister_netdev(dev); 8340 8341 if (bp->mips_firmware) 8342 release_firmware(bp->mips_firmware); 8343 if (bp->rv2p_firmware) 8344 release_firmware(bp->rv2p_firmware); 8345 8346 if (bp->regview) 8347 iounmap(bp->regview); 8348 8349 free_netdev(dev); 8350 pci_release_regions(pdev); 8351 pci_disable_device(pdev); 8352 pci_set_drvdata(pdev, NULL); 8353} 8354 8355static int 8356bnx2_suspend(struct pci_dev *pdev, pm_message_t state) 8357{ 8358 struct net_device *dev = pci_get_drvdata(pdev); 8359 struct bnx2 *bp = netdev_priv(dev); 8360 8361 /* PCI register 4 needs to be saved whether netif_running() or not. 8362 * MSI address and data need to be saved if using MSI and 8363 * netif_running(). 8364 */ 8365 pci_save_state(pdev); 8366 if (!netif_running(dev)) 8367 return 0; 8368 8369 flush_scheduled_work(); 8370 bnx2_netif_stop(bp); 8371 netif_device_detach(dev); 8372 del_timer_sync(&bp->timer); 8373 bnx2_shutdown_chip(bp); 8374 bnx2_free_skbs(bp); 8375 bnx2_set_power_state(bp, pci_choose_state(pdev, state)); 8376 return 0; 8377} 8378 8379static int 8380bnx2_resume(struct pci_dev *pdev) 8381{ 8382 struct net_device *dev = pci_get_drvdata(pdev); 8383 struct bnx2 *bp = netdev_priv(dev); 8384 8385 pci_restore_state(pdev); 8386 if (!netif_running(dev)) 8387 return 0; 8388 8389 bnx2_set_power_state(bp, PCI_D0); 8390 netif_device_attach(dev); 8391 bnx2_init_nic(bp, 1); 8392 bnx2_netif_start(bp); 8393 return 0; 8394} 8395 8396/** 8397 * bnx2_io_error_detected - called when PCI error is detected 8398 * @pdev: Pointer to PCI device 8399 * @state: The current pci connection state 8400 * 8401 * This function is called after a PCI bus error affecting 8402 * this device has been detected. 8403 */ 8404static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev, 8405 pci_channel_state_t state) 8406{ 8407 struct net_device *dev = pci_get_drvdata(pdev); 8408 struct bnx2 *bp = netdev_priv(dev); 8409 8410 rtnl_lock(); 8411 netif_device_detach(dev); 8412 8413 if (state == pci_channel_io_perm_failure) { 8414 rtnl_unlock(); 8415 return PCI_ERS_RESULT_DISCONNECT; 8416 } 8417 8418 if (netif_running(dev)) { 8419 bnx2_netif_stop(bp); 8420 del_timer_sync(&bp->timer); 8421 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 8422 } 8423 8424 pci_disable_device(pdev); 8425 rtnl_unlock(); 8426 8427 /* Request a slot slot reset. */ 8428 return PCI_ERS_RESULT_NEED_RESET; 8429} 8430 8431/** 8432 * bnx2_io_slot_reset - called after the pci bus has been reset. 8433 * @pdev: Pointer to PCI device 8434 * 8435 * Restart the card from scratch, as if from a cold-boot. 8436 */ 8437static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev) 8438{ 8439 struct net_device *dev = pci_get_drvdata(pdev); 8440 struct bnx2 *bp = netdev_priv(dev); 8441 8442 rtnl_lock(); 8443 if (pci_enable_device(pdev)) { 8444 dev_err(&pdev->dev, 8445 "Cannot re-enable PCI device after reset.\n"); 8446 rtnl_unlock(); 8447 return PCI_ERS_RESULT_DISCONNECT; 8448 } 8449 pci_set_master(pdev); 8450 pci_restore_state(pdev); 8451 pci_save_state(pdev); 8452 8453 if (netif_running(dev)) { 8454 bnx2_set_power_state(bp, PCI_D0); 8455 bnx2_init_nic(bp, 1); 8456 } 8457 8458 rtnl_unlock(); 8459 return PCI_ERS_RESULT_RECOVERED; 8460} 8461 8462/** 8463 * bnx2_io_resume - called when traffic can start flowing again. 8464 * @pdev: Pointer to PCI device 8465 * 8466 * This callback is called when the error recovery driver tells us that 8467 * its OK to resume normal operation. 8468 */ 8469static void bnx2_io_resume(struct pci_dev *pdev) 8470{ 8471 struct net_device *dev = pci_get_drvdata(pdev); 8472 struct bnx2 *bp = netdev_priv(dev); 8473 8474 rtnl_lock(); 8475 if (netif_running(dev)) 8476 bnx2_netif_start(bp); 8477 8478 netif_device_attach(dev); 8479 rtnl_unlock(); 8480} 8481 8482static struct pci_error_handlers bnx2_err_handler = { 8483 .error_detected = bnx2_io_error_detected, 8484 .slot_reset = bnx2_io_slot_reset, 8485 .resume = bnx2_io_resume, 8486}; 8487 8488static struct pci_driver bnx2_pci_driver = { 8489 .name = DRV_MODULE_NAME, 8490 .id_table = bnx2_pci_tbl, 8491 .probe = bnx2_init_one, 8492 .remove = __devexit_p(bnx2_remove_one), 8493 .suspend = bnx2_suspend, 8494 .resume = bnx2_resume, 8495 .err_handler = &bnx2_err_handler, 8496}; 8497 8498static int __init bnx2_init(void) 8499{ 8500 return pci_register_driver(&bnx2_pci_driver); 8501} 8502 8503static void __exit bnx2_cleanup(void) 8504{ 8505 pci_unregister_driver(&bnx2_pci_driver); 8506} 8507 8508module_init(bnx2_init); 8509module_exit(bnx2_cleanup); 8510 8511 8512