1 /* bnx2.c: QLogic NX2 network driver. 2 * 3 * Copyright (c) 2004-2014 Broadcom Corporation 4 * Copyright (c) 2014 QLogic Corporation 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation. 9 * 10 * Written by: Michael Chan (mchan@broadcom.com) 11 */ 12 13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 14 15 #include <linux/module.h> 16 #include <linux/moduleparam.h> 17 18 #include <linux/stringify.h> 19 #include <linux/kernel.h> 20 #include <linux/timer.h> 21 #include <linux/errno.h> 22 #include <linux/ioport.h> 23 #include <linux/slab.h> 24 #include <linux/vmalloc.h> 25 #include <linux/interrupt.h> 26 #include <linux/pci.h> 27 #include <linux/netdevice.h> 28 #include <linux/etherdevice.h> 29 #include <linux/skbuff.h> 30 #include <linux/dma-mapping.h> 31 #include <linux/bitops.h> 32 #include <asm/io.h> 33 #include <asm/irq.h> 34 #include <linux/delay.h> 35 #include <asm/byteorder.h> 36 #include <asm/page.h> 37 #include <linux/time.h> 38 #include <linux/ethtool.h> 39 #include <linux/mii.h> 40 #include <linux/if.h> 41 #include <linux/if_vlan.h> 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/aer.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 DRV_MODULE_VERSION "2.2.5" 62 #define DRV_MODULE_RELDATE "December 20, 2013" 63 #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw" 64 #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw" 65 #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw" 66 #define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw" 67 #define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw" 68 69 #define RUN_AT(x) (jiffies + (x)) 70 71 /* Time in jiffies before concluding the transmitter is hung. */ 72 #define TX_TIMEOUT (5*HZ) 73 74 static char version[] = 75 "QLogic NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 76 77 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>"); 78 MODULE_DESCRIPTION("QLogic NetXtreme II BCM5706/5708/5709/5716 Driver"); 79 MODULE_LICENSE("GPL"); 80 MODULE_VERSION(DRV_MODULE_VERSION); 81 MODULE_FIRMWARE(FW_MIPS_FILE_06); 82 MODULE_FIRMWARE(FW_RV2P_FILE_06); 83 MODULE_FIRMWARE(FW_MIPS_FILE_09); 84 MODULE_FIRMWARE(FW_RV2P_FILE_09); 85 MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); 86 87 static int disable_msi = 0; 88 89 module_param(disable_msi, int, S_IRUGO); 90 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); 91 92 typedef enum { 93 BCM5706 = 0, 94 NC370T, 95 NC370I, 96 BCM5706S, 97 NC370F, 98 BCM5708, 99 BCM5708S, 100 BCM5709, 101 BCM5709S, 102 BCM5716, 103 BCM5716S, 104 } board_t; 105 106 /* indexed by board_t, above */ 107 static struct { 108 char *name; 109 } board_info[] = { 110 { "Broadcom NetXtreme II BCM5706 1000Base-T" }, 111 { "HP NC370T Multifunction Gigabit Server Adapter" }, 112 { "HP NC370i Multifunction Gigabit Server Adapter" }, 113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" }, 114 { "HP NC370F Multifunction Gigabit Server Adapter" }, 115 { "Broadcom NetXtreme II BCM5708 1000Base-T" }, 116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" }, 117 { "Broadcom NetXtreme II BCM5709 1000Base-T" }, 118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" }, 119 { "Broadcom NetXtreme II BCM5716 1000Base-T" }, 120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" }, 121 }; 122 123 static const struct pci_device_id bnx2_pci_tbl[] = { 124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T }, 126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I }, 128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, 129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 }, 130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708, 131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 }, 132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, 133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F }, 134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, 135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S }, 136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S, 137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S }, 138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709, 139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 }, 140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S, 141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S }, 142 { PCI_VENDOR_ID_BROADCOM, 0x163b, 143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 }, 144 { PCI_VENDOR_ID_BROADCOM, 0x163c, 145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S }, 146 { 0, } 147 }; 148 149 static const struct flash_spec flash_table[] = 150 { 151 #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE) 152 #define NONBUFFERED_FLAGS (BNX2_NV_WREN) 153 /* Slow EEPROM */ 154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400, 155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 157 "EEPROM - slow"}, 158 /* Expansion entry 0001 */ 159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406, 160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 162 "Entry 0001"}, 163 /* Saifun SA25F010 (non-buffered flash) */ 164 /* strap, cfg1, & write1 need updates */ 165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406, 166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2, 168 "Non-buffered flash (128kB)"}, 169 /* Saifun SA25F020 (non-buffered flash) */ 170 /* strap, cfg1, & write1 need updates */ 171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406, 172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4, 174 "Non-buffered flash (256kB)"}, 175 /* Expansion entry 0100 */ 176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406, 177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 179 "Entry 0100"}, 180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */ 181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406, 182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2, 184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"}, 185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/ 186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406, 187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4, 189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"}, 190 /* Saifun SA25F005 (non-buffered flash) */ 191 /* strap, cfg1, & write1 need updates */ 192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406, 193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE, 195 "Non-buffered flash (64kB)"}, 196 /* Fast EEPROM */ 197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400, 198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 200 "EEPROM - fast"}, 201 /* Expansion entry 1001 */ 202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406, 203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 205 "Entry 1001"}, 206 /* Expansion entry 1010 */ 207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406, 208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 210 "Entry 1010"}, 211 /* ATMEL AT45DB011B (buffered flash) */ 212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400, 213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE, 215 "Buffered flash (128kB)"}, 216 /* Expansion entry 1100 */ 217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406, 218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 220 "Entry 1100"}, 221 /* Expansion entry 1101 */ 222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406, 223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 225 "Entry 1101"}, 226 /* Ateml Expansion entry 1110 */ 227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400, 228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0, 230 "Entry 1110 (Atmel)"}, 231 /* ATMEL AT45DB021B (buffered flash) */ 232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400, 233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2, 235 "Buffered flash (256kB)"}, 236 }; 237 238 static const struct flash_spec flash_5709 = { 239 .flags = BNX2_NV_BUFFERED, 240 .page_bits = BCM5709_FLASH_PAGE_BITS, 241 .page_size = BCM5709_FLASH_PAGE_SIZE, 242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK, 243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2, 244 .name = "5709 Buffered flash (256kB)", 245 }; 246 247 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl); 248 249 static void bnx2_init_napi(struct bnx2 *bp); 250 static void bnx2_del_napi(struct bnx2 *bp); 251 252 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr) 253 { 254 u32 diff; 255 256 /* Tell compiler to fetch tx_prod and tx_cons from memory. */ 257 barrier(); 258 259 /* The ring uses 256 indices for 255 entries, one of them 260 * needs to be skipped. 261 */ 262 diff = txr->tx_prod - txr->tx_cons; 263 if (unlikely(diff >= BNX2_TX_DESC_CNT)) { 264 diff &= 0xffff; 265 if (diff == BNX2_TX_DESC_CNT) 266 diff = BNX2_MAX_TX_DESC_CNT; 267 } 268 return bp->tx_ring_size - diff; 269 } 270 271 static u32 272 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset) 273 { 274 u32 val; 275 276 spin_lock_bh(&bp->indirect_lock); 277 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); 278 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW); 279 spin_unlock_bh(&bp->indirect_lock); 280 return val; 281 } 282 283 static void 284 bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val) 285 { 286 spin_lock_bh(&bp->indirect_lock); 287 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); 288 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val); 289 spin_unlock_bh(&bp->indirect_lock); 290 } 291 292 static void 293 bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val) 294 { 295 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val); 296 } 297 298 static u32 299 bnx2_shmem_rd(struct bnx2 *bp, u32 offset) 300 { 301 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset); 302 } 303 304 static void 305 bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) 306 { 307 offset += cid_addr; 308 spin_lock_bh(&bp->indirect_lock); 309 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 310 int i; 311 312 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val); 313 BNX2_WR(bp, BNX2_CTX_CTX_CTRL, 314 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ); 315 for (i = 0; i < 5; i++) { 316 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL); 317 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0) 318 break; 319 udelay(5); 320 } 321 } else { 322 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset); 323 BNX2_WR(bp, BNX2_CTX_DATA, val); 324 } 325 spin_unlock_bh(&bp->indirect_lock); 326 } 327 328 #ifdef BCM_CNIC 329 static int 330 bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info) 331 { 332 struct bnx2 *bp = netdev_priv(dev); 333 struct drv_ctl_io *io = &info->data.io; 334 335 switch (info->cmd) { 336 case DRV_CTL_IO_WR_CMD: 337 bnx2_reg_wr_ind(bp, io->offset, io->data); 338 break; 339 case DRV_CTL_IO_RD_CMD: 340 io->data = bnx2_reg_rd_ind(bp, io->offset); 341 break; 342 case DRV_CTL_CTX_WR_CMD: 343 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data); 344 break; 345 default: 346 return -EINVAL; 347 } 348 return 0; 349 } 350 351 static void bnx2_setup_cnic_irq_info(struct bnx2 *bp) 352 { 353 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 354 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 355 int sb_id; 356 357 if (bp->flags & BNX2_FLAG_USING_MSIX) { 358 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX; 359 bnapi->cnic_present = 0; 360 sb_id = bp->irq_nvecs; 361 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX; 362 } else { 363 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX; 364 bnapi->cnic_tag = bnapi->last_status_idx; 365 bnapi->cnic_present = 1; 366 sb_id = 0; 367 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX; 368 } 369 370 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector; 371 cp->irq_arr[0].status_blk = (void *) 372 ((unsigned long) bnapi->status_blk.msi + 373 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id)); 374 cp->irq_arr[0].status_blk_num = sb_id; 375 cp->num_irq = 1; 376 } 377 378 static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops, 379 void *data) 380 { 381 struct bnx2 *bp = netdev_priv(dev); 382 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 383 384 if (ops == NULL) 385 return -EINVAL; 386 387 if (cp->drv_state & CNIC_DRV_STATE_REGD) 388 return -EBUSY; 389 390 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN)) 391 return -ENODEV; 392 393 bp->cnic_data = data; 394 rcu_assign_pointer(bp->cnic_ops, ops); 395 396 cp->num_irq = 0; 397 cp->drv_state = CNIC_DRV_STATE_REGD; 398 399 bnx2_setup_cnic_irq_info(bp); 400 401 return 0; 402 } 403 404 static int bnx2_unregister_cnic(struct net_device *dev) 405 { 406 struct bnx2 *bp = netdev_priv(dev); 407 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 408 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 409 410 mutex_lock(&bp->cnic_lock); 411 cp->drv_state = 0; 412 bnapi->cnic_present = 0; 413 RCU_INIT_POINTER(bp->cnic_ops, NULL); 414 mutex_unlock(&bp->cnic_lock); 415 synchronize_rcu(); 416 return 0; 417 } 418 419 static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev) 420 { 421 struct bnx2 *bp = netdev_priv(dev); 422 struct cnic_eth_dev *cp = &bp->cnic_eth_dev; 423 424 if (!cp->max_iscsi_conn) 425 return NULL; 426 427 cp->drv_owner = THIS_MODULE; 428 cp->chip_id = bp->chip_id; 429 cp->pdev = bp->pdev; 430 cp->io_base = bp->regview; 431 cp->drv_ctl = bnx2_drv_ctl; 432 cp->drv_register_cnic = bnx2_register_cnic; 433 cp->drv_unregister_cnic = bnx2_unregister_cnic; 434 435 return cp; 436 } 437 438 static void 439 bnx2_cnic_stop(struct bnx2 *bp) 440 { 441 struct cnic_ops *c_ops; 442 struct cnic_ctl_info info; 443 444 mutex_lock(&bp->cnic_lock); 445 c_ops = rcu_dereference_protected(bp->cnic_ops, 446 lockdep_is_held(&bp->cnic_lock)); 447 if (c_ops) { 448 info.cmd = CNIC_CTL_STOP_CMD; 449 c_ops->cnic_ctl(bp->cnic_data, &info); 450 } 451 mutex_unlock(&bp->cnic_lock); 452 } 453 454 static void 455 bnx2_cnic_start(struct bnx2 *bp) 456 { 457 struct cnic_ops *c_ops; 458 struct cnic_ctl_info info; 459 460 mutex_lock(&bp->cnic_lock); 461 c_ops = rcu_dereference_protected(bp->cnic_ops, 462 lockdep_is_held(&bp->cnic_lock)); 463 if (c_ops) { 464 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) { 465 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 466 467 bnapi->cnic_tag = bnapi->last_status_idx; 468 } 469 info.cmd = CNIC_CTL_START_CMD; 470 c_ops->cnic_ctl(bp->cnic_data, &info); 471 } 472 mutex_unlock(&bp->cnic_lock); 473 } 474 475 #else 476 477 static void 478 bnx2_cnic_stop(struct bnx2 *bp) 479 { 480 } 481 482 static void 483 bnx2_cnic_start(struct bnx2 *bp) 484 { 485 } 486 487 #endif 488 489 static int 490 bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val) 491 { 492 u32 val1; 493 int i, ret; 494 495 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 496 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 497 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; 498 499 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 500 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 501 502 udelay(40); 503 } 504 505 val1 = (bp->phy_addr << 21) | (reg << 16) | 506 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT | 507 BNX2_EMAC_MDIO_COMM_START_BUSY; 508 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1); 509 510 for (i = 0; i < 50; i++) { 511 udelay(10); 512 513 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM); 514 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { 515 udelay(5); 516 517 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM); 518 val1 &= BNX2_EMAC_MDIO_COMM_DATA; 519 520 break; 521 } 522 } 523 524 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) { 525 *val = 0x0; 526 ret = -EBUSY; 527 } 528 else { 529 *val = val1; 530 ret = 0; 531 } 532 533 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 534 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 535 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; 536 537 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 538 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 539 540 udelay(40); 541 } 542 543 return ret; 544 } 545 546 static int 547 bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val) 548 { 549 u32 val1; 550 int i, ret; 551 552 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 553 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 554 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; 555 556 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 557 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 558 559 udelay(40); 560 } 561 562 val1 = (bp->phy_addr << 21) | (reg << 16) | val | 563 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE | 564 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT; 565 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1); 566 567 for (i = 0; i < 50; i++) { 568 udelay(10); 569 570 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM); 571 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { 572 udelay(5); 573 break; 574 } 575 } 576 577 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) 578 ret = -EBUSY; 579 else 580 ret = 0; 581 582 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { 583 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 584 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; 585 586 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1); 587 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE); 588 589 udelay(40); 590 } 591 592 return ret; 593 } 594 595 static void 596 bnx2_disable_int(struct bnx2 *bp) 597 { 598 int i; 599 struct bnx2_napi *bnapi; 600 601 for (i = 0; i < bp->irq_nvecs; i++) { 602 bnapi = &bp->bnx2_napi[i]; 603 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 604 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 605 } 606 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD); 607 } 608 609 static void 610 bnx2_enable_int(struct bnx2 *bp) 611 { 612 int i; 613 struct bnx2_napi *bnapi; 614 615 for (i = 0; i < bp->irq_nvecs; i++) { 616 bnapi = &bp->bnx2_napi[i]; 617 618 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 619 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 620 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | 621 bnapi->last_status_idx); 622 623 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 624 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 625 bnapi->last_status_idx); 626 } 627 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); 628 } 629 630 static void 631 bnx2_disable_int_sync(struct bnx2 *bp) 632 { 633 int i; 634 635 atomic_inc(&bp->intr_sem); 636 if (!netif_running(bp->dev)) 637 return; 638 639 bnx2_disable_int(bp); 640 for (i = 0; i < bp->irq_nvecs; i++) 641 synchronize_irq(bp->irq_tbl[i].vector); 642 } 643 644 static void 645 bnx2_napi_disable(struct bnx2 *bp) 646 { 647 int i; 648 649 for (i = 0; i < bp->irq_nvecs; i++) 650 napi_disable(&bp->bnx2_napi[i].napi); 651 } 652 653 static void 654 bnx2_napi_enable(struct bnx2 *bp) 655 { 656 int i; 657 658 for (i = 0; i < bp->irq_nvecs; i++) 659 napi_enable(&bp->bnx2_napi[i].napi); 660 } 661 662 static void 663 bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic) 664 { 665 if (stop_cnic) 666 bnx2_cnic_stop(bp); 667 if (netif_running(bp->dev)) { 668 bnx2_napi_disable(bp); 669 netif_tx_disable(bp->dev); 670 } 671 bnx2_disable_int_sync(bp); 672 netif_carrier_off(bp->dev); /* prevent tx timeout */ 673 } 674 675 static void 676 bnx2_netif_start(struct bnx2 *bp, bool start_cnic) 677 { 678 if (atomic_dec_and_test(&bp->intr_sem)) { 679 if (netif_running(bp->dev)) { 680 netif_tx_wake_all_queues(bp->dev); 681 spin_lock_bh(&bp->phy_lock); 682 if (bp->link_up) 683 netif_carrier_on(bp->dev); 684 spin_unlock_bh(&bp->phy_lock); 685 bnx2_napi_enable(bp); 686 bnx2_enable_int(bp); 687 if (start_cnic) 688 bnx2_cnic_start(bp); 689 } 690 } 691 } 692 693 static void 694 bnx2_free_tx_mem(struct bnx2 *bp) 695 { 696 int i; 697 698 for (i = 0; i < bp->num_tx_rings; i++) { 699 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 700 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 701 702 if (txr->tx_desc_ring) { 703 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE, 704 txr->tx_desc_ring, 705 txr->tx_desc_mapping); 706 txr->tx_desc_ring = NULL; 707 } 708 kfree(txr->tx_buf_ring); 709 txr->tx_buf_ring = NULL; 710 } 711 } 712 713 static void 714 bnx2_free_rx_mem(struct bnx2 *bp) 715 { 716 int i; 717 718 for (i = 0; i < bp->num_rx_rings; i++) { 719 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 720 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 721 int j; 722 723 for (j = 0; j < bp->rx_max_ring; j++) { 724 if (rxr->rx_desc_ring[j]) 725 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE, 726 rxr->rx_desc_ring[j], 727 rxr->rx_desc_mapping[j]); 728 rxr->rx_desc_ring[j] = NULL; 729 } 730 vfree(rxr->rx_buf_ring); 731 rxr->rx_buf_ring = NULL; 732 733 for (j = 0; j < bp->rx_max_pg_ring; j++) { 734 if (rxr->rx_pg_desc_ring[j]) 735 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE, 736 rxr->rx_pg_desc_ring[j], 737 rxr->rx_pg_desc_mapping[j]); 738 rxr->rx_pg_desc_ring[j] = NULL; 739 } 740 vfree(rxr->rx_pg_ring); 741 rxr->rx_pg_ring = NULL; 742 } 743 } 744 745 static int 746 bnx2_alloc_tx_mem(struct bnx2 *bp) 747 { 748 int i; 749 750 for (i = 0; i < bp->num_tx_rings; i++) { 751 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 752 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 753 754 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL); 755 if (txr->tx_buf_ring == NULL) 756 return -ENOMEM; 757 758 txr->tx_desc_ring = 759 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE, 760 &txr->tx_desc_mapping, GFP_KERNEL); 761 if (txr->tx_desc_ring == NULL) 762 return -ENOMEM; 763 } 764 return 0; 765 } 766 767 static int 768 bnx2_alloc_rx_mem(struct bnx2 *bp) 769 { 770 int i; 771 772 for (i = 0; i < bp->num_rx_rings; i++) { 773 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 774 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 775 int j; 776 777 rxr->rx_buf_ring = 778 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring); 779 if (rxr->rx_buf_ring == NULL) 780 return -ENOMEM; 781 782 for (j = 0; j < bp->rx_max_ring; j++) { 783 rxr->rx_desc_ring[j] = 784 dma_alloc_coherent(&bp->pdev->dev, 785 RXBD_RING_SIZE, 786 &rxr->rx_desc_mapping[j], 787 GFP_KERNEL); 788 if (rxr->rx_desc_ring[j] == NULL) 789 return -ENOMEM; 790 791 } 792 793 if (bp->rx_pg_ring_size) { 794 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE * 795 bp->rx_max_pg_ring); 796 if (rxr->rx_pg_ring == NULL) 797 return -ENOMEM; 798 799 } 800 801 for (j = 0; j < bp->rx_max_pg_ring; j++) { 802 rxr->rx_pg_desc_ring[j] = 803 dma_alloc_coherent(&bp->pdev->dev, 804 RXBD_RING_SIZE, 805 &rxr->rx_pg_desc_mapping[j], 806 GFP_KERNEL); 807 if (rxr->rx_pg_desc_ring[j] == NULL) 808 return -ENOMEM; 809 810 } 811 } 812 return 0; 813 } 814 815 static void 816 bnx2_free_mem(struct bnx2 *bp) 817 { 818 int i; 819 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 820 821 bnx2_free_tx_mem(bp); 822 bnx2_free_rx_mem(bp); 823 824 for (i = 0; i < bp->ctx_pages; i++) { 825 if (bp->ctx_blk[i]) { 826 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE, 827 bp->ctx_blk[i], 828 bp->ctx_blk_mapping[i]); 829 bp->ctx_blk[i] = NULL; 830 } 831 } 832 if (bnapi->status_blk.msi) { 833 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size, 834 bnapi->status_blk.msi, 835 bp->status_blk_mapping); 836 bnapi->status_blk.msi = NULL; 837 bp->stats_blk = NULL; 838 } 839 } 840 841 static int 842 bnx2_alloc_mem(struct bnx2 *bp) 843 { 844 int i, status_blk_size, err; 845 struct bnx2_napi *bnapi; 846 void *status_blk; 847 848 /* Combine status and statistics blocks into one allocation. */ 849 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block)); 850 if (bp->flags & BNX2_FLAG_MSIX_CAP) 851 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC * 852 BNX2_SBLK_MSIX_ALIGN_SIZE); 853 bp->status_stats_size = status_blk_size + 854 sizeof(struct statistics_block); 855 856 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size, 857 &bp->status_blk_mapping, GFP_KERNEL); 858 if (status_blk == NULL) 859 goto alloc_mem_err; 860 861 bnapi = &bp->bnx2_napi[0]; 862 bnapi->status_blk.msi = status_blk; 863 bnapi->hw_tx_cons_ptr = 864 &bnapi->status_blk.msi->status_tx_quick_consumer_index0; 865 bnapi->hw_rx_cons_ptr = 866 &bnapi->status_blk.msi->status_rx_quick_consumer_index0; 867 if (bp->flags & BNX2_FLAG_MSIX_CAP) { 868 for (i = 1; i < bp->irq_nvecs; i++) { 869 struct status_block_msix *sblk; 870 871 bnapi = &bp->bnx2_napi[i]; 872 873 sblk = (status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i); 874 bnapi->status_blk.msix = sblk; 875 bnapi->hw_tx_cons_ptr = 876 &sblk->status_tx_quick_consumer_index; 877 bnapi->hw_rx_cons_ptr = 878 &sblk->status_rx_quick_consumer_index; 879 bnapi->int_num = i << 24; 880 } 881 } 882 883 bp->stats_blk = status_blk + status_blk_size; 884 885 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; 886 887 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 888 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE; 889 if (bp->ctx_pages == 0) 890 bp->ctx_pages = 1; 891 for (i = 0; i < bp->ctx_pages; i++) { 892 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev, 893 BNX2_PAGE_SIZE, 894 &bp->ctx_blk_mapping[i], 895 GFP_KERNEL); 896 if (bp->ctx_blk[i] == NULL) 897 goto alloc_mem_err; 898 } 899 } 900 901 err = bnx2_alloc_rx_mem(bp); 902 if (err) 903 goto alloc_mem_err; 904 905 err = bnx2_alloc_tx_mem(bp); 906 if (err) 907 goto alloc_mem_err; 908 909 return 0; 910 911 alloc_mem_err: 912 bnx2_free_mem(bp); 913 return -ENOMEM; 914 } 915 916 static void 917 bnx2_report_fw_link(struct bnx2 *bp) 918 { 919 u32 fw_link_status = 0; 920 921 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 922 return; 923 924 if (bp->link_up) { 925 u32 bmsr; 926 927 switch (bp->line_speed) { 928 case SPEED_10: 929 if (bp->duplex == DUPLEX_HALF) 930 fw_link_status = BNX2_LINK_STATUS_10HALF; 931 else 932 fw_link_status = BNX2_LINK_STATUS_10FULL; 933 break; 934 case SPEED_100: 935 if (bp->duplex == DUPLEX_HALF) 936 fw_link_status = BNX2_LINK_STATUS_100HALF; 937 else 938 fw_link_status = BNX2_LINK_STATUS_100FULL; 939 break; 940 case SPEED_1000: 941 if (bp->duplex == DUPLEX_HALF) 942 fw_link_status = BNX2_LINK_STATUS_1000HALF; 943 else 944 fw_link_status = BNX2_LINK_STATUS_1000FULL; 945 break; 946 case SPEED_2500: 947 if (bp->duplex == DUPLEX_HALF) 948 fw_link_status = BNX2_LINK_STATUS_2500HALF; 949 else 950 fw_link_status = BNX2_LINK_STATUS_2500FULL; 951 break; 952 } 953 954 fw_link_status |= BNX2_LINK_STATUS_LINK_UP; 955 956 if (bp->autoneg) { 957 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED; 958 959 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 960 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 961 962 if (!(bmsr & BMSR_ANEGCOMPLETE) || 963 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) 964 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET; 965 else 966 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE; 967 } 968 } 969 else 970 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN; 971 972 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status); 973 } 974 975 static char * 976 bnx2_xceiver_str(struct bnx2 *bp) 977 { 978 return (bp->phy_port == PORT_FIBRE) ? "SerDes" : 979 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" : 980 "Copper"); 981 } 982 983 static void 984 bnx2_report_link(struct bnx2 *bp) 985 { 986 if (bp->link_up) { 987 netif_carrier_on(bp->dev); 988 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex", 989 bnx2_xceiver_str(bp), 990 bp->line_speed, 991 bp->duplex == DUPLEX_FULL ? "full" : "half"); 992 993 if (bp->flow_ctrl) { 994 if (bp->flow_ctrl & FLOW_CTRL_RX) { 995 pr_cont(", receive "); 996 if (bp->flow_ctrl & FLOW_CTRL_TX) 997 pr_cont("& transmit "); 998 } 999 else { 1000 pr_cont(", transmit "); 1001 } 1002 pr_cont("flow control ON"); 1003 } 1004 pr_cont("\n"); 1005 } else { 1006 netif_carrier_off(bp->dev); 1007 netdev_err(bp->dev, "NIC %s Link is Down\n", 1008 bnx2_xceiver_str(bp)); 1009 } 1010 1011 bnx2_report_fw_link(bp); 1012 } 1013 1014 static void 1015 bnx2_resolve_flow_ctrl(struct bnx2 *bp) 1016 { 1017 u32 local_adv, remote_adv; 1018 1019 bp->flow_ctrl = 0; 1020 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 1021 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { 1022 1023 if (bp->duplex == DUPLEX_FULL) { 1024 bp->flow_ctrl = bp->req_flow_ctrl; 1025 } 1026 return; 1027 } 1028 1029 if (bp->duplex != DUPLEX_FULL) { 1030 return; 1031 } 1032 1033 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1034 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) { 1035 u32 val; 1036 1037 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); 1038 if (val & BCM5708S_1000X_STAT1_TX_PAUSE) 1039 bp->flow_ctrl |= FLOW_CTRL_TX; 1040 if (val & BCM5708S_1000X_STAT1_RX_PAUSE) 1041 bp->flow_ctrl |= FLOW_CTRL_RX; 1042 return; 1043 } 1044 1045 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1046 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1047 1048 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 1049 u32 new_local_adv = 0; 1050 u32 new_remote_adv = 0; 1051 1052 if (local_adv & ADVERTISE_1000XPAUSE) 1053 new_local_adv |= ADVERTISE_PAUSE_CAP; 1054 if (local_adv & ADVERTISE_1000XPSE_ASYM) 1055 new_local_adv |= ADVERTISE_PAUSE_ASYM; 1056 if (remote_adv & ADVERTISE_1000XPAUSE) 1057 new_remote_adv |= ADVERTISE_PAUSE_CAP; 1058 if (remote_adv & ADVERTISE_1000XPSE_ASYM) 1059 new_remote_adv |= ADVERTISE_PAUSE_ASYM; 1060 1061 local_adv = new_local_adv; 1062 remote_adv = new_remote_adv; 1063 } 1064 1065 /* See Table 28B-3 of 802.3ab-1999 spec. */ 1066 if (local_adv & ADVERTISE_PAUSE_CAP) { 1067 if(local_adv & ADVERTISE_PAUSE_ASYM) { 1068 if (remote_adv & ADVERTISE_PAUSE_CAP) { 1069 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; 1070 } 1071 else if (remote_adv & ADVERTISE_PAUSE_ASYM) { 1072 bp->flow_ctrl = FLOW_CTRL_RX; 1073 } 1074 } 1075 else { 1076 if (remote_adv & ADVERTISE_PAUSE_CAP) { 1077 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; 1078 } 1079 } 1080 } 1081 else if (local_adv & ADVERTISE_PAUSE_ASYM) { 1082 if ((remote_adv & ADVERTISE_PAUSE_CAP) && 1083 (remote_adv & ADVERTISE_PAUSE_ASYM)) { 1084 1085 bp->flow_ctrl = FLOW_CTRL_TX; 1086 } 1087 } 1088 } 1089 1090 static int 1091 bnx2_5709s_linkup(struct bnx2 *bp) 1092 { 1093 u32 val, speed; 1094 1095 bp->link_up = 1; 1096 1097 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS); 1098 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val); 1099 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1100 1101 if ((bp->autoneg & AUTONEG_SPEED) == 0) { 1102 bp->line_speed = bp->req_line_speed; 1103 bp->duplex = bp->req_duplex; 1104 return 0; 1105 } 1106 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK; 1107 switch (speed) { 1108 case MII_BNX2_GP_TOP_AN_SPEED_10: 1109 bp->line_speed = SPEED_10; 1110 break; 1111 case MII_BNX2_GP_TOP_AN_SPEED_100: 1112 bp->line_speed = SPEED_100; 1113 break; 1114 case MII_BNX2_GP_TOP_AN_SPEED_1G: 1115 case MII_BNX2_GP_TOP_AN_SPEED_1GKV: 1116 bp->line_speed = SPEED_1000; 1117 break; 1118 case MII_BNX2_GP_TOP_AN_SPEED_2_5G: 1119 bp->line_speed = SPEED_2500; 1120 break; 1121 } 1122 if (val & MII_BNX2_GP_TOP_AN_FD) 1123 bp->duplex = DUPLEX_FULL; 1124 else 1125 bp->duplex = DUPLEX_HALF; 1126 return 0; 1127 } 1128 1129 static int 1130 bnx2_5708s_linkup(struct bnx2 *bp) 1131 { 1132 u32 val; 1133 1134 bp->link_up = 1; 1135 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); 1136 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) { 1137 case BCM5708S_1000X_STAT1_SPEED_10: 1138 bp->line_speed = SPEED_10; 1139 break; 1140 case BCM5708S_1000X_STAT1_SPEED_100: 1141 bp->line_speed = SPEED_100; 1142 break; 1143 case BCM5708S_1000X_STAT1_SPEED_1G: 1144 bp->line_speed = SPEED_1000; 1145 break; 1146 case BCM5708S_1000X_STAT1_SPEED_2G5: 1147 bp->line_speed = SPEED_2500; 1148 break; 1149 } 1150 if (val & BCM5708S_1000X_STAT1_FD) 1151 bp->duplex = DUPLEX_FULL; 1152 else 1153 bp->duplex = DUPLEX_HALF; 1154 1155 return 0; 1156 } 1157 1158 static int 1159 bnx2_5706s_linkup(struct bnx2 *bp) 1160 { 1161 u32 bmcr, local_adv, remote_adv, common; 1162 1163 bp->link_up = 1; 1164 bp->line_speed = SPEED_1000; 1165 1166 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1167 if (bmcr & BMCR_FULLDPLX) { 1168 bp->duplex = DUPLEX_FULL; 1169 } 1170 else { 1171 bp->duplex = DUPLEX_HALF; 1172 } 1173 1174 if (!(bmcr & BMCR_ANENABLE)) { 1175 return 0; 1176 } 1177 1178 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1179 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1180 1181 common = local_adv & remote_adv; 1182 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) { 1183 1184 if (common & ADVERTISE_1000XFULL) { 1185 bp->duplex = DUPLEX_FULL; 1186 } 1187 else { 1188 bp->duplex = DUPLEX_HALF; 1189 } 1190 } 1191 1192 return 0; 1193 } 1194 1195 static int 1196 bnx2_copper_linkup(struct bnx2 *bp) 1197 { 1198 u32 bmcr; 1199 1200 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX; 1201 1202 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1203 if (bmcr & BMCR_ANENABLE) { 1204 u32 local_adv, remote_adv, common; 1205 1206 bnx2_read_phy(bp, MII_CTRL1000, &local_adv); 1207 bnx2_read_phy(bp, MII_STAT1000, &remote_adv); 1208 1209 common = local_adv & (remote_adv >> 2); 1210 if (common & ADVERTISE_1000FULL) { 1211 bp->line_speed = SPEED_1000; 1212 bp->duplex = DUPLEX_FULL; 1213 } 1214 else if (common & ADVERTISE_1000HALF) { 1215 bp->line_speed = SPEED_1000; 1216 bp->duplex = DUPLEX_HALF; 1217 } 1218 else { 1219 bnx2_read_phy(bp, bp->mii_adv, &local_adv); 1220 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); 1221 1222 common = local_adv & remote_adv; 1223 if (common & ADVERTISE_100FULL) { 1224 bp->line_speed = SPEED_100; 1225 bp->duplex = DUPLEX_FULL; 1226 } 1227 else if (common & ADVERTISE_100HALF) { 1228 bp->line_speed = SPEED_100; 1229 bp->duplex = DUPLEX_HALF; 1230 } 1231 else if (common & ADVERTISE_10FULL) { 1232 bp->line_speed = SPEED_10; 1233 bp->duplex = DUPLEX_FULL; 1234 } 1235 else if (common & ADVERTISE_10HALF) { 1236 bp->line_speed = SPEED_10; 1237 bp->duplex = DUPLEX_HALF; 1238 } 1239 else { 1240 bp->line_speed = 0; 1241 bp->link_up = 0; 1242 } 1243 } 1244 } 1245 else { 1246 if (bmcr & BMCR_SPEED100) { 1247 bp->line_speed = SPEED_100; 1248 } 1249 else { 1250 bp->line_speed = SPEED_10; 1251 } 1252 if (bmcr & BMCR_FULLDPLX) { 1253 bp->duplex = DUPLEX_FULL; 1254 } 1255 else { 1256 bp->duplex = DUPLEX_HALF; 1257 } 1258 } 1259 1260 if (bp->link_up) { 1261 u32 ext_status; 1262 1263 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status); 1264 if (ext_status & EXT_STATUS_MDIX) 1265 bp->phy_flags |= BNX2_PHY_FLAG_MDIX; 1266 } 1267 1268 return 0; 1269 } 1270 1271 static void 1272 bnx2_init_rx_context(struct bnx2 *bp, u32 cid) 1273 { 1274 u32 val, rx_cid_addr = GET_CID_ADDR(cid); 1275 1276 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; 1277 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2; 1278 val |= 0x02 << 8; 1279 1280 if (bp->flow_ctrl & FLOW_CTRL_TX) 1281 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE; 1282 1283 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val); 1284 } 1285 1286 static void 1287 bnx2_init_all_rx_contexts(struct bnx2 *bp) 1288 { 1289 int i; 1290 u32 cid; 1291 1292 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) { 1293 if (i == 1) 1294 cid = RX_RSS_CID; 1295 bnx2_init_rx_context(bp, cid); 1296 } 1297 } 1298 1299 static void 1300 bnx2_set_mac_link(struct bnx2 *bp) 1301 { 1302 u32 val; 1303 1304 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620); 1305 if (bp->link_up && (bp->line_speed == SPEED_1000) && 1306 (bp->duplex == DUPLEX_HALF)) { 1307 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff); 1308 } 1309 1310 /* Configure the EMAC mode register. */ 1311 val = BNX2_RD(bp, BNX2_EMAC_MODE); 1312 1313 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | 1314 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | 1315 BNX2_EMAC_MODE_25G_MODE); 1316 1317 if (bp->link_up) { 1318 switch (bp->line_speed) { 1319 case SPEED_10: 1320 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) { 1321 val |= BNX2_EMAC_MODE_PORT_MII_10M; 1322 break; 1323 } 1324 /* fall through */ 1325 case SPEED_100: 1326 val |= BNX2_EMAC_MODE_PORT_MII; 1327 break; 1328 case SPEED_2500: 1329 val |= BNX2_EMAC_MODE_25G_MODE; 1330 /* fall through */ 1331 case SPEED_1000: 1332 val |= BNX2_EMAC_MODE_PORT_GMII; 1333 break; 1334 } 1335 } 1336 else { 1337 val |= BNX2_EMAC_MODE_PORT_GMII; 1338 } 1339 1340 /* Set the MAC to operate in the appropriate duplex mode. */ 1341 if (bp->duplex == DUPLEX_HALF) 1342 val |= BNX2_EMAC_MODE_HALF_DUPLEX; 1343 BNX2_WR(bp, BNX2_EMAC_MODE, val); 1344 1345 /* Enable/disable rx PAUSE. */ 1346 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN; 1347 1348 if (bp->flow_ctrl & FLOW_CTRL_RX) 1349 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN; 1350 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode); 1351 1352 /* Enable/disable tx PAUSE. */ 1353 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE); 1354 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN; 1355 1356 if (bp->flow_ctrl & FLOW_CTRL_TX) 1357 val |= BNX2_EMAC_TX_MODE_FLOW_EN; 1358 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val); 1359 1360 /* Acknowledge the interrupt. */ 1361 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE); 1362 1363 bnx2_init_all_rx_contexts(bp); 1364 } 1365 1366 static void 1367 bnx2_enable_bmsr1(struct bnx2 *bp) 1368 { 1369 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1370 (BNX2_CHIP(bp) == BNX2_CHIP_5709)) 1371 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1372 MII_BNX2_BLK_ADDR_GP_STATUS); 1373 } 1374 1375 static void 1376 bnx2_disable_bmsr1(struct bnx2 *bp) 1377 { 1378 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 1379 (BNX2_CHIP(bp) == BNX2_CHIP_5709)) 1380 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1381 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1382 } 1383 1384 static int 1385 bnx2_test_and_enable_2g5(struct bnx2 *bp) 1386 { 1387 u32 up1; 1388 int ret = 1; 1389 1390 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1391 return 0; 1392 1393 if (bp->autoneg & AUTONEG_SPEED) 1394 bp->advertising |= ADVERTISED_2500baseX_Full; 1395 1396 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 1397 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 1398 1399 bnx2_read_phy(bp, bp->mii_up1, &up1); 1400 if (!(up1 & BCM5708S_UP1_2G5)) { 1401 up1 |= BCM5708S_UP1_2G5; 1402 bnx2_write_phy(bp, bp->mii_up1, up1); 1403 ret = 0; 1404 } 1405 1406 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 1407 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1408 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1409 1410 return ret; 1411 } 1412 1413 static int 1414 bnx2_test_and_disable_2g5(struct bnx2 *bp) 1415 { 1416 u32 up1; 1417 int ret = 0; 1418 1419 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1420 return 0; 1421 1422 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 1423 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 1424 1425 bnx2_read_phy(bp, bp->mii_up1, &up1); 1426 if (up1 & BCM5708S_UP1_2G5) { 1427 up1 &= ~BCM5708S_UP1_2G5; 1428 bnx2_write_phy(bp, bp->mii_up1, up1); 1429 ret = 1; 1430 } 1431 1432 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 1433 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1434 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1435 1436 return ret; 1437 } 1438 1439 static void 1440 bnx2_enable_forced_2g5(struct bnx2 *bp) 1441 { 1442 u32 uninitialized_var(bmcr); 1443 int err; 1444 1445 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1446 return; 1447 1448 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 1449 u32 val; 1450 1451 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1452 MII_BNX2_BLK_ADDR_SERDES_DIG); 1453 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) { 1454 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK; 1455 val |= MII_BNX2_SD_MISC1_FORCE | 1456 MII_BNX2_SD_MISC1_FORCE_2_5G; 1457 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); 1458 } 1459 1460 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1461 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1462 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1463 1464 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) { 1465 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1466 if (!err) 1467 bmcr |= BCM5708S_BMCR_FORCE_2500; 1468 } else { 1469 return; 1470 } 1471 1472 if (err) 1473 return; 1474 1475 if (bp->autoneg & AUTONEG_SPEED) { 1476 bmcr &= ~BMCR_ANENABLE; 1477 if (bp->req_duplex == DUPLEX_FULL) 1478 bmcr |= BMCR_FULLDPLX; 1479 } 1480 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 1481 } 1482 1483 static void 1484 bnx2_disable_forced_2g5(struct bnx2 *bp) 1485 { 1486 u32 uninitialized_var(bmcr); 1487 int err; 1488 1489 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 1490 return; 1491 1492 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 1493 u32 val; 1494 1495 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1496 MII_BNX2_BLK_ADDR_SERDES_DIG); 1497 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) { 1498 val &= ~MII_BNX2_SD_MISC1_FORCE; 1499 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); 1500 } 1501 1502 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, 1503 MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 1504 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1505 1506 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) { 1507 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 1508 if (!err) 1509 bmcr &= ~BCM5708S_BMCR_FORCE_2500; 1510 } else { 1511 return; 1512 } 1513 1514 if (err) 1515 return; 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 1522 static void 1523 bnx2_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 1535 static int 1536 bnx2_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 (BNX2_CHIP(bp) == BNX2_CHIP_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 = BNX2_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 (BNX2_CHIP(bp) == BNX2_CHIP_5706) 1582 bnx2_5706s_linkup(bp); 1583 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) 1584 bnx2_5708s_linkup(bp); 1585 else if (BNX2_CHIP(bp) == BNX2_CHIP_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 1619 static int 1620 bnx2_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, ®); 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 1643 static u32 1644 bnx2_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 1677 static int bnx2_fw_sync(struct bnx2 *, u32, int, int); 1678 1679 static int 1680 bnx2_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 1738 static int 1739 bnx2_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 (BNX2_CHIP(bp) == BNX2_CHIP_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 (BNX2_CHIP(bp) == BNX2_CHIP_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 1870 static void 1871 bnx2_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 1917 static void 1918 bnx2_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 1943 static void 1944 bnx2_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 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr); 1953 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg); 1954 spin_unlock(&bp->indirect_lock); 1955 } 1956 1957 static void 1958 bnx2_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 /* fall through */ 1983 case BNX2_LINK_STATUS_10FULL: 1984 bp->line_speed = SPEED_10; 1985 break; 1986 case BNX2_LINK_STATUS_100HALF: 1987 bp->duplex = DUPLEX_HALF; 1988 /* fall through */ 1989 case BNX2_LINK_STATUS_100BASE_T4: 1990 case BNX2_LINK_STATUS_100FULL: 1991 bp->line_speed = SPEED_100; 1992 break; 1993 case BNX2_LINK_STATUS_1000HALF: 1994 bp->duplex = DUPLEX_HALF; 1995 /* fall through */ 1996 case BNX2_LINK_STATUS_1000FULL: 1997 bp->line_speed = SPEED_1000; 1998 break; 1999 case BNX2_LINK_STATUS_2500HALF: 2000 bp->duplex = DUPLEX_HALF; 2001 /* fall through */ 2002 case BNX2_LINK_STATUS_2500FULL: 2003 bp->line_speed = SPEED_2500; 2004 break; 2005 default: 2006 bp->line_speed = 0; 2007 break; 2008 } 2009 2010 bp->flow_ctrl = 0; 2011 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != 2012 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { 2013 if (bp->duplex == DUPLEX_FULL) 2014 bp->flow_ctrl = bp->req_flow_ctrl; 2015 } else { 2016 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED) 2017 bp->flow_ctrl |= FLOW_CTRL_TX; 2018 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED) 2019 bp->flow_ctrl |= FLOW_CTRL_RX; 2020 } 2021 2022 old_port = bp->phy_port; 2023 if (msg & BNX2_LINK_STATUS_SERDES_LINK) 2024 bp->phy_port = PORT_FIBRE; 2025 else 2026 bp->phy_port = PORT_TP; 2027 2028 if (old_port != bp->phy_port) 2029 bnx2_set_default_link(bp); 2030 2031 } 2032 if (bp->link_up != link_up) 2033 bnx2_report_link(bp); 2034 2035 bnx2_set_mac_link(bp); 2036 } 2037 2038 static int 2039 bnx2_set_remote_link(struct bnx2 *bp) 2040 { 2041 u32 evt_code; 2042 2043 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB); 2044 switch (evt_code) { 2045 case BNX2_FW_EVT_CODE_LINK_EVENT: 2046 bnx2_remote_phy_event(bp); 2047 break; 2048 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT: 2049 default: 2050 bnx2_send_heart_beat(bp); 2051 break; 2052 } 2053 return 0; 2054 } 2055 2056 static int 2057 bnx2_setup_copper_phy(struct bnx2 *bp) 2058 __releases(&bp->phy_lock) 2059 __acquires(&bp->phy_lock) 2060 { 2061 u32 bmcr, adv_reg, new_adv = 0; 2062 u32 new_bmcr; 2063 2064 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 2065 2066 bnx2_read_phy(bp, bp->mii_adv, &adv_reg); 2067 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP | 2068 ADVERTISE_PAUSE_ASYM); 2069 2070 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising); 2071 2072 if (bp->autoneg & AUTONEG_SPEED) { 2073 u32 adv1000_reg; 2074 u32 new_adv1000 = 0; 2075 2076 new_adv |= bnx2_phy_get_pause_adv(bp); 2077 2078 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg); 2079 adv1000_reg &= PHY_ALL_1000_SPEED; 2080 2081 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising); 2082 if ((adv1000_reg != new_adv1000) || 2083 (adv_reg != new_adv) || 2084 ((bmcr & BMCR_ANENABLE) == 0)) { 2085 2086 bnx2_write_phy(bp, bp->mii_adv, new_adv); 2087 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000); 2088 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART | 2089 BMCR_ANENABLE); 2090 } 2091 else if (bp->link_up) { 2092 /* Flow ctrl may have changed from auto to forced */ 2093 /* or vice-versa. */ 2094 2095 bnx2_resolve_flow_ctrl(bp); 2096 bnx2_set_mac_link(bp); 2097 } 2098 return 0; 2099 } 2100 2101 /* advertise nothing when forcing speed */ 2102 if (adv_reg != new_adv) 2103 bnx2_write_phy(bp, bp->mii_adv, new_adv); 2104 2105 new_bmcr = 0; 2106 if (bp->req_line_speed == SPEED_100) { 2107 new_bmcr |= BMCR_SPEED100; 2108 } 2109 if (bp->req_duplex == DUPLEX_FULL) { 2110 new_bmcr |= BMCR_FULLDPLX; 2111 } 2112 if (new_bmcr != bmcr) { 2113 u32 bmsr; 2114 2115 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2116 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2117 2118 if (bmsr & BMSR_LSTATUS) { 2119 /* Force link down */ 2120 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); 2121 spin_unlock_bh(&bp->phy_lock); 2122 msleep(50); 2123 spin_lock_bh(&bp->phy_lock); 2124 2125 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2126 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); 2127 } 2128 2129 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); 2130 2131 /* Normally, the new speed is setup after the link has 2132 * gone down and up again. In some cases, link will not go 2133 * down so we need to set up the new speed here. 2134 */ 2135 if (bmsr & BMSR_LSTATUS) { 2136 bp->line_speed = bp->req_line_speed; 2137 bp->duplex = bp->req_duplex; 2138 bnx2_resolve_flow_ctrl(bp); 2139 bnx2_set_mac_link(bp); 2140 } 2141 } else { 2142 bnx2_resolve_flow_ctrl(bp); 2143 bnx2_set_mac_link(bp); 2144 } 2145 return 0; 2146 } 2147 2148 static int 2149 bnx2_setup_phy(struct bnx2 *bp, u8 port) 2150 __releases(&bp->phy_lock) 2151 __acquires(&bp->phy_lock) 2152 { 2153 if (bp->loopback == MAC_LOOPBACK) 2154 return 0; 2155 2156 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 2157 return bnx2_setup_serdes_phy(bp, port); 2158 } 2159 else { 2160 return bnx2_setup_copper_phy(bp); 2161 } 2162 } 2163 2164 static int 2165 bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy) 2166 { 2167 u32 val; 2168 2169 bp->mii_bmcr = MII_BMCR + 0x10; 2170 bp->mii_bmsr = MII_BMSR + 0x10; 2171 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1; 2172 bp->mii_adv = MII_ADVERTISE + 0x10; 2173 bp->mii_lpa = MII_LPA + 0x10; 2174 bp->mii_up1 = MII_BNX2_OVER1G_UP1; 2175 2176 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER); 2177 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD); 2178 2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 2180 if (reset_phy) 2181 bnx2_reset_phy(bp); 2182 2183 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG); 2184 2185 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val); 2186 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET; 2187 val |= MII_BNX2_SD_1000XCTL1_FIBER; 2188 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val); 2189 2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); 2191 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val); 2192 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) 2193 val |= BCM5708S_UP1_2G5; 2194 else 2195 val &= ~BCM5708S_UP1_2G5; 2196 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val); 2197 2198 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG); 2199 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val); 2200 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM; 2201 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val); 2202 2203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0); 2204 2205 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN | 2206 MII_BNX2_CL73_BAM_NP_AFT_BP_EN; 2207 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val); 2208 2209 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); 2210 2211 return 0; 2212 } 2213 2214 static int 2215 bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy) 2216 { 2217 u32 val; 2218 2219 if (reset_phy) 2220 bnx2_reset_phy(bp); 2221 2222 bp->mii_up1 = BCM5708S_UP1; 2223 2224 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3); 2225 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE); 2226 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); 2227 2228 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val); 2229 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN; 2230 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val); 2231 2232 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val); 2233 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN; 2234 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val); 2235 2236 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) { 2237 bnx2_read_phy(bp, BCM5708S_UP1, &val); 2238 val |= BCM5708S_UP1_2G5; 2239 bnx2_write_phy(bp, BCM5708S_UP1, val); 2240 } 2241 2242 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) || 2243 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) || 2244 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) { 2245 /* increase tx signal amplitude */ 2246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2247 BCM5708S_BLK_ADDR_TX_MISC); 2248 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val); 2249 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM; 2250 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val); 2251 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); 2252 } 2253 2254 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) & 2255 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK; 2256 2257 if (val) { 2258 u32 is_backplane; 2259 2260 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); 2261 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) { 2262 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2263 BCM5708S_BLK_ADDR_TX_MISC); 2264 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val); 2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, 2266 BCM5708S_BLK_ADDR_DIG); 2267 } 2268 } 2269 return 0; 2270 } 2271 2272 static int 2273 bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy) 2274 { 2275 if (reset_phy) 2276 bnx2_reset_phy(bp); 2277 2278 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; 2279 2280 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) 2281 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300); 2282 2283 if (bp->dev->mtu > 1500) { 2284 u32 val; 2285 2286 /* Set extended packet length bit */ 2287 bnx2_write_phy(bp, 0x18, 0x7); 2288 bnx2_read_phy(bp, 0x18, &val); 2289 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000); 2290 2291 bnx2_write_phy(bp, 0x1c, 0x6c00); 2292 bnx2_read_phy(bp, 0x1c, &val); 2293 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02); 2294 } 2295 else { 2296 u32 val; 2297 2298 bnx2_write_phy(bp, 0x18, 0x7); 2299 bnx2_read_phy(bp, 0x18, &val); 2300 bnx2_write_phy(bp, 0x18, val & ~0x4007); 2301 2302 bnx2_write_phy(bp, 0x1c, 0x6c00); 2303 bnx2_read_phy(bp, 0x1c, &val); 2304 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00); 2305 } 2306 2307 return 0; 2308 } 2309 2310 static int 2311 bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy) 2312 { 2313 u32 val; 2314 2315 if (reset_phy) 2316 bnx2_reset_phy(bp); 2317 2318 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) { 2319 bnx2_write_phy(bp, 0x18, 0x0c00); 2320 bnx2_write_phy(bp, 0x17, 0x000a); 2321 bnx2_write_phy(bp, 0x15, 0x310b); 2322 bnx2_write_phy(bp, 0x17, 0x201f); 2323 bnx2_write_phy(bp, 0x15, 0x9506); 2324 bnx2_write_phy(bp, 0x17, 0x401f); 2325 bnx2_write_phy(bp, 0x15, 0x14e2); 2326 bnx2_write_phy(bp, 0x18, 0x0400); 2327 } 2328 2329 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) { 2330 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, 2331 MII_BNX2_DSP_EXPAND_REG | 0x8); 2332 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val); 2333 val &= ~(1 << 8); 2334 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val); 2335 } 2336 2337 if (bp->dev->mtu > 1500) { 2338 /* Set extended packet length bit */ 2339 bnx2_write_phy(bp, 0x18, 0x7); 2340 bnx2_read_phy(bp, 0x18, &val); 2341 bnx2_write_phy(bp, 0x18, val | 0x4000); 2342 2343 bnx2_read_phy(bp, 0x10, &val); 2344 bnx2_write_phy(bp, 0x10, val | 0x1); 2345 } 2346 else { 2347 bnx2_write_phy(bp, 0x18, 0x7); 2348 bnx2_read_phy(bp, 0x18, &val); 2349 bnx2_write_phy(bp, 0x18, val & ~0x4007); 2350 2351 bnx2_read_phy(bp, 0x10, &val); 2352 bnx2_write_phy(bp, 0x10, val & ~0x1); 2353 } 2354 2355 /* ethernet@wirespeed */ 2356 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL); 2357 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val); 2358 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED; 2359 2360 /* auto-mdix */ 2361 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 2362 val |= AUX_CTL_MISC_CTL_AUTOMDIX; 2363 2364 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val); 2365 return 0; 2366 } 2367 2368 2369 static int 2370 bnx2_init_phy(struct bnx2 *bp, int reset_phy) 2371 __releases(&bp->phy_lock) 2372 __acquires(&bp->phy_lock) 2373 { 2374 u32 val; 2375 int rc = 0; 2376 2377 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK; 2378 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY; 2379 2380 bp->mii_bmcr = MII_BMCR; 2381 bp->mii_bmsr = MII_BMSR; 2382 bp->mii_bmsr1 = MII_BMSR; 2383 bp->mii_adv = MII_ADVERTISE; 2384 bp->mii_lpa = MII_LPA; 2385 2386 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); 2387 2388 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 2389 goto setup_phy; 2390 2391 bnx2_read_phy(bp, MII_PHYSID1, &val); 2392 bp->phy_id = val << 16; 2393 bnx2_read_phy(bp, MII_PHYSID2, &val); 2394 bp->phy_id |= val & 0xffff; 2395 2396 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 2397 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) 2398 rc = bnx2_init_5706s_phy(bp, reset_phy); 2399 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) 2400 rc = bnx2_init_5708s_phy(bp, reset_phy); 2401 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 2402 rc = bnx2_init_5709s_phy(bp, reset_phy); 2403 } 2404 else { 2405 rc = bnx2_init_copper_phy(bp, reset_phy); 2406 } 2407 2408 setup_phy: 2409 if (!rc) 2410 rc = bnx2_setup_phy(bp, bp->phy_port); 2411 2412 return rc; 2413 } 2414 2415 static int 2416 bnx2_set_mac_loopback(struct bnx2 *bp) 2417 { 2418 u32 mac_mode; 2419 2420 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE); 2421 mac_mode &= ~BNX2_EMAC_MODE_PORT; 2422 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK; 2423 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode); 2424 bp->link_up = 1; 2425 return 0; 2426 } 2427 2428 static int bnx2_test_link(struct bnx2 *); 2429 2430 static int 2431 bnx2_set_phy_loopback(struct bnx2 *bp) 2432 { 2433 u32 mac_mode; 2434 int rc, i; 2435 2436 spin_lock_bh(&bp->phy_lock); 2437 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX | 2438 BMCR_SPEED1000); 2439 spin_unlock_bh(&bp->phy_lock); 2440 if (rc) 2441 return rc; 2442 2443 for (i = 0; i < 10; i++) { 2444 if (bnx2_test_link(bp) == 0) 2445 break; 2446 msleep(100); 2447 } 2448 2449 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE); 2450 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | 2451 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | 2452 BNX2_EMAC_MODE_25G_MODE); 2453 2454 mac_mode |= BNX2_EMAC_MODE_PORT_GMII; 2455 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode); 2456 bp->link_up = 1; 2457 return 0; 2458 } 2459 2460 static void 2461 bnx2_dump_mcp_state(struct bnx2 *bp) 2462 { 2463 struct net_device *dev = bp->dev; 2464 u32 mcp_p0, mcp_p1; 2465 2466 netdev_err(dev, "<--- start MCP states dump --->\n"); 2467 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 2468 mcp_p0 = BNX2_MCP_STATE_P0; 2469 mcp_p1 = BNX2_MCP_STATE_P1; 2470 } else { 2471 mcp_p0 = BNX2_MCP_STATE_P0_5708; 2472 mcp_p1 = BNX2_MCP_STATE_P1_5708; 2473 } 2474 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", 2475 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1)); 2476 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n", 2477 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE), 2478 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE), 2479 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK)); 2480 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n", 2481 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), 2482 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), 2483 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION)); 2484 netdev_err(dev, "DEBUG: shmem states:\n"); 2485 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]", 2486 bnx2_shmem_rd(bp, BNX2_DRV_MB), 2487 bnx2_shmem_rd(bp, BNX2_FW_MB), 2488 bnx2_shmem_rd(bp, BNX2_LINK_STATUS)); 2489 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB)); 2490 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]", 2491 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE), 2492 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE)); 2493 pr_cont(" condition[%08x]\n", 2494 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION)); 2495 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE); 2496 DP_SHMEM_LINE(bp, 0x3cc); 2497 DP_SHMEM_LINE(bp, 0x3dc); 2498 DP_SHMEM_LINE(bp, 0x3ec); 2499 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc)); 2500 netdev_err(dev, "<--- end MCP states dump --->\n"); 2501 } 2502 2503 static int 2504 bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) 2505 { 2506 int i; 2507 u32 val; 2508 2509 bp->fw_wr_seq++; 2510 msg_data |= bp->fw_wr_seq; 2511 bp->fw_last_msg = msg_data; 2512 2513 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); 2514 2515 if (!ack) 2516 return 0; 2517 2518 /* wait for an acknowledgement. */ 2519 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) { 2520 msleep(10); 2521 2522 val = bnx2_shmem_rd(bp, BNX2_FW_MB); 2523 2524 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ)) 2525 break; 2526 } 2527 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0) 2528 return 0; 2529 2530 /* If we timed out, inform the firmware that this is the case. */ 2531 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) { 2532 msg_data &= ~BNX2_DRV_MSG_CODE; 2533 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT; 2534 2535 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); 2536 if (!silent) { 2537 pr_err("fw sync timeout, reset code = %x\n", msg_data); 2538 bnx2_dump_mcp_state(bp); 2539 } 2540 2541 return -EBUSY; 2542 } 2543 2544 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK) 2545 return -EIO; 2546 2547 return 0; 2548 } 2549 2550 static int 2551 bnx2_init_5709_context(struct bnx2 *bp) 2552 { 2553 int i, ret = 0; 2554 u32 val; 2555 2556 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12); 2557 val |= (BNX2_PAGE_BITS - 8) << 16; 2558 BNX2_WR(bp, BNX2_CTX_COMMAND, val); 2559 for (i = 0; i < 10; i++) { 2560 val = BNX2_RD(bp, BNX2_CTX_COMMAND); 2561 if (!(val & BNX2_CTX_COMMAND_MEM_INIT)) 2562 break; 2563 udelay(2); 2564 } 2565 if (val & BNX2_CTX_COMMAND_MEM_INIT) 2566 return -EBUSY; 2567 2568 for (i = 0; i < bp->ctx_pages; i++) { 2569 int j; 2570 2571 if (bp->ctx_blk[i]) 2572 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE); 2573 else 2574 return -ENOMEM; 2575 2576 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0, 2577 (bp->ctx_blk_mapping[i] & 0xffffffff) | 2578 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID); 2579 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1, 2580 (u64) bp->ctx_blk_mapping[i] >> 32); 2581 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i | 2582 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); 2583 for (j = 0; j < 10; j++) { 2584 2585 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL); 2586 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ)) 2587 break; 2588 udelay(5); 2589 } 2590 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) { 2591 ret = -EBUSY; 2592 break; 2593 } 2594 } 2595 return ret; 2596 } 2597 2598 static void 2599 bnx2_init_context(struct bnx2 *bp) 2600 { 2601 u32 vcid; 2602 2603 vcid = 96; 2604 while (vcid) { 2605 u32 vcid_addr, pcid_addr, offset; 2606 int i; 2607 2608 vcid--; 2609 2610 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) { 2611 u32 new_vcid; 2612 2613 vcid_addr = GET_PCID_ADDR(vcid); 2614 if (vcid & 0x8) { 2615 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7); 2616 } 2617 else { 2618 new_vcid = vcid; 2619 } 2620 pcid_addr = GET_PCID_ADDR(new_vcid); 2621 } 2622 else { 2623 vcid_addr = GET_CID_ADDR(vcid); 2624 pcid_addr = vcid_addr; 2625 } 2626 2627 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) { 2628 vcid_addr += (i << PHY_CTX_SHIFT); 2629 pcid_addr += (i << PHY_CTX_SHIFT); 2630 2631 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr); 2632 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr); 2633 2634 /* Zero out the context. */ 2635 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) 2636 bnx2_ctx_wr(bp, vcid_addr, offset, 0); 2637 } 2638 } 2639 } 2640 2641 static int 2642 bnx2_alloc_bad_rbuf(struct bnx2 *bp) 2643 { 2644 u16 *good_mbuf; 2645 u32 good_mbuf_cnt; 2646 u32 val; 2647 2648 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL); 2649 if (good_mbuf == NULL) 2650 return -ENOMEM; 2651 2652 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 2653 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE); 2654 2655 good_mbuf_cnt = 0; 2656 2657 /* Allocate a bunch of mbufs and save the good ones in an array. */ 2658 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); 2659 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) { 2660 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND, 2661 BNX2_RBUF_COMMAND_ALLOC_REQ); 2662 2663 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC); 2664 2665 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE; 2666 2667 /* The addresses with Bit 9 set are bad memory blocks. */ 2668 if (!(val & (1 << 9))) { 2669 good_mbuf[good_mbuf_cnt] = (u16) val; 2670 good_mbuf_cnt++; 2671 } 2672 2673 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); 2674 } 2675 2676 /* Free the good ones back to the mbuf pool thus discarding 2677 * all the bad ones. */ 2678 while (good_mbuf_cnt) { 2679 good_mbuf_cnt--; 2680 2681 val = good_mbuf[good_mbuf_cnt]; 2682 val = (val << 9) | val | 1; 2683 2684 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val); 2685 } 2686 kfree(good_mbuf); 2687 return 0; 2688 } 2689 2690 static void 2691 bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos) 2692 { 2693 u32 val; 2694 2695 val = (mac_addr[0] << 8) | mac_addr[1]; 2696 2697 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val); 2698 2699 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 2700 (mac_addr[4] << 8) | mac_addr[5]; 2701 2702 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val); 2703 } 2704 2705 static inline int 2706 bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) 2707 { 2708 dma_addr_t mapping; 2709 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index]; 2710 struct bnx2_rx_bd *rxbd = 2711 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)]; 2712 struct page *page = alloc_page(gfp); 2713 2714 if (!page) 2715 return -ENOMEM; 2716 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE, 2717 PCI_DMA_FROMDEVICE); 2718 if (dma_mapping_error(&bp->pdev->dev, mapping)) { 2719 __free_page(page); 2720 return -EIO; 2721 } 2722 2723 rx_pg->page = page; 2724 dma_unmap_addr_set(rx_pg, mapping, mapping); 2725 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; 2726 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; 2727 return 0; 2728 } 2729 2730 static void 2731 bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) 2732 { 2733 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index]; 2734 struct page *page = rx_pg->page; 2735 2736 if (!page) 2737 return; 2738 2739 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping), 2740 PAGE_SIZE, PCI_DMA_FROMDEVICE); 2741 2742 __free_page(page); 2743 rx_pg->page = NULL; 2744 } 2745 2746 static inline int 2747 bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) 2748 { 2749 u8 *data; 2750 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index]; 2751 dma_addr_t mapping; 2752 struct bnx2_rx_bd *rxbd = 2753 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)]; 2754 2755 data = kmalloc(bp->rx_buf_size, gfp); 2756 if (!data) 2757 return -ENOMEM; 2758 2759 mapping = dma_map_single(&bp->pdev->dev, 2760 get_l2_fhdr(data), 2761 bp->rx_buf_use_size, 2762 PCI_DMA_FROMDEVICE); 2763 if (dma_mapping_error(&bp->pdev->dev, mapping)) { 2764 kfree(data); 2765 return -EIO; 2766 } 2767 2768 rx_buf->data = data; 2769 dma_unmap_addr_set(rx_buf, mapping, mapping); 2770 2771 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; 2772 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; 2773 2774 rxr->rx_prod_bseq += bp->rx_buf_use_size; 2775 2776 return 0; 2777 } 2778 2779 static int 2780 bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event) 2781 { 2782 struct status_block *sblk = bnapi->status_blk.msi; 2783 u32 new_link_state, old_link_state; 2784 int is_set = 1; 2785 2786 new_link_state = sblk->status_attn_bits & event; 2787 old_link_state = sblk->status_attn_bits_ack & event; 2788 if (new_link_state != old_link_state) { 2789 if (new_link_state) 2790 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event); 2791 else 2792 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event); 2793 } else 2794 is_set = 0; 2795 2796 return is_set; 2797 } 2798 2799 static void 2800 bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi) 2801 { 2802 spin_lock(&bp->phy_lock); 2803 2804 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) 2805 bnx2_set_link(bp); 2806 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT)) 2807 bnx2_set_remote_link(bp); 2808 2809 spin_unlock(&bp->phy_lock); 2810 2811 } 2812 2813 static inline u16 2814 bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi) 2815 { 2816 u16 cons; 2817 2818 /* Tell compiler that status block fields can change. */ 2819 barrier(); 2820 cons = *bnapi->hw_tx_cons_ptr; 2821 barrier(); 2822 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT)) 2823 cons++; 2824 return cons; 2825 } 2826 2827 static int 2828 bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) 2829 { 2830 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 2831 u16 hw_cons, sw_cons, sw_ring_cons; 2832 int tx_pkt = 0, index; 2833 unsigned int tx_bytes = 0; 2834 struct netdev_queue *txq; 2835 2836 index = (bnapi - bp->bnx2_napi); 2837 txq = netdev_get_tx_queue(bp->dev, index); 2838 2839 hw_cons = bnx2_get_hw_tx_cons(bnapi); 2840 sw_cons = txr->tx_cons; 2841 2842 while (sw_cons != hw_cons) { 2843 struct bnx2_sw_tx_bd *tx_buf; 2844 struct sk_buff *skb; 2845 int i, last; 2846 2847 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons); 2848 2849 tx_buf = &txr->tx_buf_ring[sw_ring_cons]; 2850 skb = tx_buf->skb; 2851 2852 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */ 2853 prefetch(&skb->end); 2854 2855 /* partial BD completions possible with TSO packets */ 2856 if (tx_buf->is_gso) { 2857 u16 last_idx, last_ring_idx; 2858 2859 last_idx = sw_cons + tx_buf->nr_frags + 1; 2860 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1; 2861 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) { 2862 last_idx++; 2863 } 2864 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) { 2865 break; 2866 } 2867 } 2868 2869 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), 2870 skb_headlen(skb), PCI_DMA_TODEVICE); 2871 2872 tx_buf->skb = NULL; 2873 last = tx_buf->nr_frags; 2874 2875 for (i = 0; i < last; i++) { 2876 struct bnx2_sw_tx_bd *tx_buf; 2877 2878 sw_cons = BNX2_NEXT_TX_BD(sw_cons); 2879 2880 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)]; 2881 dma_unmap_page(&bp->pdev->dev, 2882 dma_unmap_addr(tx_buf, mapping), 2883 skb_frag_size(&skb_shinfo(skb)->frags[i]), 2884 PCI_DMA_TODEVICE); 2885 } 2886 2887 sw_cons = BNX2_NEXT_TX_BD(sw_cons); 2888 2889 tx_bytes += skb->len; 2890 dev_kfree_skb_any(skb); 2891 tx_pkt++; 2892 if (tx_pkt == budget) 2893 break; 2894 2895 if (hw_cons == sw_cons) 2896 hw_cons = bnx2_get_hw_tx_cons(bnapi); 2897 } 2898 2899 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes); 2900 txr->hw_tx_cons = hw_cons; 2901 txr->tx_cons = sw_cons; 2902 2903 /* Need to make the tx_cons update visible to bnx2_start_xmit() 2904 * before checking for netif_tx_queue_stopped(). Without the 2905 * memory barrier, there is a small possibility that bnx2_start_xmit() 2906 * will miss it and cause the queue to be stopped forever. 2907 */ 2908 smp_mb(); 2909 2910 if (unlikely(netif_tx_queue_stopped(txq)) && 2911 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) { 2912 __netif_tx_lock(txq, smp_processor_id()); 2913 if ((netif_tx_queue_stopped(txq)) && 2914 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) 2915 netif_tx_wake_queue(txq); 2916 __netif_tx_unlock(txq); 2917 } 2918 2919 return tx_pkt; 2920 } 2921 2922 static void 2923 bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, 2924 struct sk_buff *skb, int count) 2925 { 2926 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg; 2927 struct bnx2_rx_bd *cons_bd, *prod_bd; 2928 int i; 2929 u16 hw_prod, prod; 2930 u16 cons = rxr->rx_pg_cons; 2931 2932 cons_rx_pg = &rxr->rx_pg_ring[cons]; 2933 2934 /* The caller was unable to allocate a new page to replace the 2935 * last one in the frags array, so we need to recycle that page 2936 * and then free the skb. 2937 */ 2938 if (skb) { 2939 struct page *page; 2940 struct skb_shared_info *shinfo; 2941 2942 shinfo = skb_shinfo(skb); 2943 shinfo->nr_frags--; 2944 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]); 2945 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL); 2946 2947 cons_rx_pg->page = page; 2948 dev_kfree_skb(skb); 2949 } 2950 2951 hw_prod = rxr->rx_pg_prod; 2952 2953 for (i = 0; i < count; i++) { 2954 prod = BNX2_RX_PG_RING_IDX(hw_prod); 2955 2956 prod_rx_pg = &rxr->rx_pg_ring[prod]; 2957 cons_rx_pg = &rxr->rx_pg_ring[cons]; 2958 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)] 2959 [BNX2_RX_IDX(cons)]; 2960 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)] 2961 [BNX2_RX_IDX(prod)]; 2962 2963 if (prod != cons) { 2964 prod_rx_pg->page = cons_rx_pg->page; 2965 cons_rx_pg->page = NULL; 2966 dma_unmap_addr_set(prod_rx_pg, mapping, 2967 dma_unmap_addr(cons_rx_pg, mapping)); 2968 2969 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; 2970 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; 2971 2972 } 2973 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons)); 2974 hw_prod = BNX2_NEXT_RX_BD(hw_prod); 2975 } 2976 rxr->rx_pg_prod = hw_prod; 2977 rxr->rx_pg_cons = cons; 2978 } 2979 2980 static inline void 2981 bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, 2982 u8 *data, u16 cons, u16 prod) 2983 { 2984 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf; 2985 struct bnx2_rx_bd *cons_bd, *prod_bd; 2986 2987 cons_rx_buf = &rxr->rx_buf_ring[cons]; 2988 prod_rx_buf = &rxr->rx_buf_ring[prod]; 2989 2990 dma_sync_single_for_device(&bp->pdev->dev, 2991 dma_unmap_addr(cons_rx_buf, mapping), 2992 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE); 2993 2994 rxr->rx_prod_bseq += bp->rx_buf_use_size; 2995 2996 prod_rx_buf->data = data; 2997 2998 if (cons == prod) 2999 return; 3000 3001 dma_unmap_addr_set(prod_rx_buf, mapping, 3002 dma_unmap_addr(cons_rx_buf, mapping)); 3003 3004 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)]; 3005 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)]; 3006 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; 3007 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; 3008 } 3009 3010 static struct sk_buff * 3011 bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data, 3012 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr, 3013 u32 ring_idx) 3014 { 3015 int err; 3016 u16 prod = ring_idx & 0xffff; 3017 struct sk_buff *skb; 3018 3019 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC); 3020 if (unlikely(err)) { 3021 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod); 3022 error: 3023 if (hdr_len) { 3024 unsigned int raw_len = len + 4; 3025 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT; 3026 3027 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); 3028 } 3029 return NULL; 3030 } 3031 3032 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size, 3033 PCI_DMA_FROMDEVICE); 3034 skb = build_skb(data, 0); 3035 if (!skb) { 3036 kfree(data); 3037 goto error; 3038 } 3039 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET); 3040 if (hdr_len == 0) { 3041 skb_put(skb, len); 3042 return skb; 3043 } else { 3044 unsigned int i, frag_len, frag_size, pages; 3045 struct bnx2_sw_pg *rx_pg; 3046 u16 pg_cons = rxr->rx_pg_cons; 3047 u16 pg_prod = rxr->rx_pg_prod; 3048 3049 frag_size = len + 4 - hdr_len; 3050 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT; 3051 skb_put(skb, hdr_len); 3052 3053 for (i = 0; i < pages; i++) { 3054 dma_addr_t mapping_old; 3055 3056 frag_len = min(frag_size, (unsigned int) PAGE_SIZE); 3057 if (unlikely(frag_len <= 4)) { 3058 unsigned int tail = 4 - frag_len; 3059 3060 rxr->rx_pg_cons = pg_cons; 3061 rxr->rx_pg_prod = pg_prod; 3062 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, 3063 pages - i); 3064 skb->len -= tail; 3065 if (i == 0) { 3066 skb->tail -= tail; 3067 } else { 3068 skb_frag_t *frag = 3069 &skb_shinfo(skb)->frags[i - 1]; 3070 skb_frag_size_sub(frag, tail); 3071 skb->data_len -= tail; 3072 } 3073 return skb; 3074 } 3075 rx_pg = &rxr->rx_pg_ring[pg_cons]; 3076 3077 /* Don't unmap yet. If we're unable to allocate a new 3078 * page, we need to recycle the page and the DMA addr. 3079 */ 3080 mapping_old = dma_unmap_addr(rx_pg, mapping); 3081 if (i == pages - 1) 3082 frag_len -= 4; 3083 3084 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len); 3085 rx_pg->page = NULL; 3086 3087 err = bnx2_alloc_rx_page(bp, rxr, 3088 BNX2_RX_PG_RING_IDX(pg_prod), 3089 GFP_ATOMIC); 3090 if (unlikely(err)) { 3091 rxr->rx_pg_cons = pg_cons; 3092 rxr->rx_pg_prod = pg_prod; 3093 bnx2_reuse_rx_skb_pages(bp, rxr, skb, 3094 pages - i); 3095 return NULL; 3096 } 3097 3098 dma_unmap_page(&bp->pdev->dev, mapping_old, 3099 PAGE_SIZE, PCI_DMA_FROMDEVICE); 3100 3101 frag_size -= frag_len; 3102 skb->data_len += frag_len; 3103 skb->truesize += PAGE_SIZE; 3104 skb->len += frag_len; 3105 3106 pg_prod = BNX2_NEXT_RX_BD(pg_prod); 3107 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons)); 3108 } 3109 rxr->rx_pg_prod = pg_prod; 3110 rxr->rx_pg_cons = pg_cons; 3111 } 3112 return skb; 3113 } 3114 3115 static inline u16 3116 bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi) 3117 { 3118 u16 cons; 3119 3120 /* Tell compiler that status block fields can change. */ 3121 barrier(); 3122 cons = *bnapi->hw_rx_cons_ptr; 3123 barrier(); 3124 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT)) 3125 cons++; 3126 return cons; 3127 } 3128 3129 static int 3130 bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) 3131 { 3132 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3133 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod; 3134 struct l2_fhdr *rx_hdr; 3135 int rx_pkt = 0, pg_ring_used = 0; 3136 3137 if (budget <= 0) 3138 return rx_pkt; 3139 3140 hw_cons = bnx2_get_hw_rx_cons(bnapi); 3141 sw_cons = rxr->rx_cons; 3142 sw_prod = rxr->rx_prod; 3143 3144 /* Memory barrier necessary as speculative reads of the rx 3145 * buffer can be ahead of the index in the status block 3146 */ 3147 rmb(); 3148 while (sw_cons != hw_cons) { 3149 unsigned int len, hdr_len; 3150 u32 status; 3151 struct bnx2_sw_bd *rx_buf, *next_rx_buf; 3152 struct sk_buff *skb; 3153 dma_addr_t dma_addr; 3154 u8 *data; 3155 u16 next_ring_idx; 3156 3157 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons); 3158 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod); 3159 3160 rx_buf = &rxr->rx_buf_ring[sw_ring_cons]; 3161 data = rx_buf->data; 3162 rx_buf->data = NULL; 3163 3164 rx_hdr = get_l2_fhdr(data); 3165 prefetch(rx_hdr); 3166 3167 dma_addr = dma_unmap_addr(rx_buf, mapping); 3168 3169 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr, 3170 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, 3171 PCI_DMA_FROMDEVICE); 3172 3173 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons)); 3174 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx]; 3175 prefetch(get_l2_fhdr(next_rx_buf->data)); 3176 3177 len = rx_hdr->l2_fhdr_pkt_len; 3178 status = rx_hdr->l2_fhdr_status; 3179 3180 hdr_len = 0; 3181 if (status & L2_FHDR_STATUS_SPLIT) { 3182 hdr_len = rx_hdr->l2_fhdr_ip_xsum; 3183 pg_ring_used = 1; 3184 } else if (len > bp->rx_jumbo_thresh) { 3185 hdr_len = bp->rx_jumbo_thresh; 3186 pg_ring_used = 1; 3187 } 3188 3189 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC | 3190 L2_FHDR_ERRORS_PHY_DECODE | 3191 L2_FHDR_ERRORS_ALIGNMENT | 3192 L2_FHDR_ERRORS_TOO_SHORT | 3193 L2_FHDR_ERRORS_GIANT_FRAME))) { 3194 3195 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons, 3196 sw_ring_prod); 3197 if (pg_ring_used) { 3198 int pages; 3199 3200 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT; 3201 3202 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); 3203 } 3204 goto next_rx; 3205 } 3206 3207 len -= 4; 3208 3209 if (len <= bp->rx_copy_thresh) { 3210 skb = netdev_alloc_skb(bp->dev, len + 6); 3211 if (skb == NULL) { 3212 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons, 3213 sw_ring_prod); 3214 goto next_rx; 3215 } 3216 3217 /* aligned copy */ 3218 memcpy(skb->data, 3219 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6, 3220 len + 6); 3221 skb_reserve(skb, 6); 3222 skb_put(skb, len); 3223 3224 bnx2_reuse_rx_data(bp, rxr, data, 3225 sw_ring_cons, sw_ring_prod); 3226 3227 } else { 3228 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr, 3229 (sw_ring_cons << 16) | sw_ring_prod); 3230 if (!skb) 3231 goto next_rx; 3232 } 3233 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && 3234 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) 3235 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag); 3236 3237 skb->protocol = eth_type_trans(skb, bp->dev); 3238 3239 if ((len > (bp->dev->mtu + ETH_HLEN)) && 3240 (ntohs(skb->protocol) != 0x8100)) { 3241 3242 dev_kfree_skb(skb); 3243 goto next_rx; 3244 3245 } 3246 3247 skb_checksum_none_assert(skb); 3248 if ((bp->dev->features & NETIF_F_RXCSUM) && 3249 (status & (L2_FHDR_STATUS_TCP_SEGMENT | 3250 L2_FHDR_STATUS_UDP_DATAGRAM))) { 3251 3252 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM | 3253 L2_FHDR_ERRORS_UDP_XSUM)) == 0)) 3254 skb->ip_summed = CHECKSUM_UNNECESSARY; 3255 } 3256 if ((bp->dev->features & NETIF_F_RXHASH) && 3257 ((status & L2_FHDR_STATUS_USE_RXHASH) == 3258 L2_FHDR_STATUS_USE_RXHASH)) 3259 skb_set_hash(skb, rx_hdr->l2_fhdr_hash, 3260 PKT_HASH_TYPE_L3); 3261 3262 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]); 3263 napi_gro_receive(&bnapi->napi, skb); 3264 rx_pkt++; 3265 3266 next_rx: 3267 sw_cons = BNX2_NEXT_RX_BD(sw_cons); 3268 sw_prod = BNX2_NEXT_RX_BD(sw_prod); 3269 3270 if ((rx_pkt == budget)) 3271 break; 3272 3273 /* Refresh hw_cons to see if there is new work */ 3274 if (sw_cons == hw_cons) { 3275 hw_cons = bnx2_get_hw_rx_cons(bnapi); 3276 rmb(); 3277 } 3278 } 3279 rxr->rx_cons = sw_cons; 3280 rxr->rx_prod = sw_prod; 3281 3282 if (pg_ring_used) 3283 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); 3284 3285 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod); 3286 3287 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); 3288 3289 mmiowb(); 3290 3291 return rx_pkt; 3292 3293 } 3294 3295 /* MSI ISR - The only difference between this and the INTx ISR 3296 * is that the MSI interrupt is always serviced. 3297 */ 3298 static irqreturn_t 3299 bnx2_msi(int irq, void *dev_instance) 3300 { 3301 struct bnx2_napi *bnapi = dev_instance; 3302 struct bnx2 *bp = bnapi->bp; 3303 3304 prefetch(bnapi->status_blk.msi); 3305 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3306 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | 3307 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 3308 3309 /* Return here if interrupt is disabled. */ 3310 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3311 return IRQ_HANDLED; 3312 3313 napi_schedule(&bnapi->napi); 3314 3315 return IRQ_HANDLED; 3316 } 3317 3318 static irqreturn_t 3319 bnx2_msi_1shot(int irq, void *dev_instance) 3320 { 3321 struct bnx2_napi *bnapi = dev_instance; 3322 struct bnx2 *bp = bnapi->bp; 3323 3324 prefetch(bnapi->status_blk.msi); 3325 3326 /* Return here if interrupt is disabled. */ 3327 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3328 return IRQ_HANDLED; 3329 3330 napi_schedule(&bnapi->napi); 3331 3332 return IRQ_HANDLED; 3333 } 3334 3335 static irqreturn_t 3336 bnx2_interrupt(int irq, void *dev_instance) 3337 { 3338 struct bnx2_napi *bnapi = dev_instance; 3339 struct bnx2 *bp = bnapi->bp; 3340 struct status_block *sblk = bnapi->status_blk.msi; 3341 3342 /* When using INTx, it is possible for the interrupt to arrive 3343 * at the CPU before the status block posted prior to the 3344 * interrupt. Reading a register will flush the status block. 3345 * When using MSI, the MSI message will always complete after 3346 * the status block write. 3347 */ 3348 if ((sblk->status_idx == bnapi->last_status_idx) && 3349 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) & 3350 BNX2_PCICFG_MISC_STATUS_INTA_VALUE)) 3351 return IRQ_NONE; 3352 3353 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3354 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | 3355 BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 3356 3357 /* Read back to deassert IRQ immediately to avoid too many 3358 * spurious interrupts. 3359 */ 3360 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD); 3361 3362 /* Return here if interrupt is shared and is disabled. */ 3363 if (unlikely(atomic_read(&bp->intr_sem) != 0)) 3364 return IRQ_HANDLED; 3365 3366 if (napi_schedule_prep(&bnapi->napi)) { 3367 bnapi->last_status_idx = sblk->status_idx; 3368 __napi_schedule(&bnapi->napi); 3369 } 3370 3371 return IRQ_HANDLED; 3372 } 3373 3374 static inline int 3375 bnx2_has_fast_work(struct bnx2_napi *bnapi) 3376 { 3377 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 3378 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3379 3380 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) || 3381 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)) 3382 return 1; 3383 return 0; 3384 } 3385 3386 #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \ 3387 STATUS_ATTN_BITS_TIMER_ABORT) 3388 3389 static inline int 3390 bnx2_has_work(struct bnx2_napi *bnapi) 3391 { 3392 struct status_block *sblk = bnapi->status_blk.msi; 3393 3394 if (bnx2_has_fast_work(bnapi)) 3395 return 1; 3396 3397 #ifdef BCM_CNIC 3398 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx)) 3399 return 1; 3400 #endif 3401 3402 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) != 3403 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS)) 3404 return 1; 3405 3406 return 0; 3407 } 3408 3409 static void 3410 bnx2_chk_missed_msi(struct bnx2 *bp) 3411 { 3412 struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; 3413 u32 msi_ctrl; 3414 3415 if (bnx2_has_work(bnapi)) { 3416 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL); 3417 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE)) 3418 return; 3419 3420 if (bnapi->last_status_idx == bp->idle_chk_status_idx) { 3421 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl & 3422 ~BNX2_PCICFG_MSI_CONTROL_ENABLE); 3423 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl); 3424 bnx2_msi(bp->irq_tbl[0].vector, bnapi); 3425 } 3426 } 3427 3428 bp->idle_chk_status_idx = bnapi->last_status_idx; 3429 } 3430 3431 #ifdef BCM_CNIC 3432 static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi) 3433 { 3434 struct cnic_ops *c_ops; 3435 3436 if (!bnapi->cnic_present) 3437 return; 3438 3439 rcu_read_lock(); 3440 c_ops = rcu_dereference(bp->cnic_ops); 3441 if (c_ops) 3442 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data, 3443 bnapi->status_blk.msi); 3444 rcu_read_unlock(); 3445 } 3446 #endif 3447 3448 static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi) 3449 { 3450 struct status_block *sblk = bnapi->status_blk.msi; 3451 u32 status_attn_bits = sblk->status_attn_bits; 3452 u32 status_attn_bits_ack = sblk->status_attn_bits_ack; 3453 3454 if ((status_attn_bits & STATUS_ATTN_EVENTS) != 3455 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) { 3456 3457 bnx2_phy_int(bp, bnapi); 3458 3459 /* This is needed to take care of transient status 3460 * during link changes. 3461 */ 3462 BNX2_WR(bp, BNX2_HC_COMMAND, 3463 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 3464 BNX2_RD(bp, BNX2_HC_COMMAND); 3465 } 3466 } 3467 3468 static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi, 3469 int work_done, int budget) 3470 { 3471 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 3472 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 3473 3474 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons) 3475 bnx2_tx_int(bp, bnapi, 0); 3476 3477 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) 3478 work_done += bnx2_rx_int(bp, bnapi, budget - work_done); 3479 3480 return work_done; 3481 } 3482 3483 static int bnx2_poll_msix(struct napi_struct *napi, int budget) 3484 { 3485 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); 3486 struct bnx2 *bp = bnapi->bp; 3487 int work_done = 0; 3488 struct status_block_msix *sblk = bnapi->status_blk.msix; 3489 3490 while (1) { 3491 work_done = bnx2_poll_work(bp, bnapi, work_done, budget); 3492 if (unlikely(work_done >= budget)) 3493 break; 3494 3495 bnapi->last_status_idx = sblk->status_idx; 3496 /* status idx must be read before checking for more work. */ 3497 rmb(); 3498 if (likely(!bnx2_has_fast_work(bnapi))) { 3499 3500 napi_complete(napi); 3501 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | 3502 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3503 bnapi->last_status_idx); 3504 break; 3505 } 3506 } 3507 return work_done; 3508 } 3509 3510 static int bnx2_poll(struct napi_struct *napi, int budget) 3511 { 3512 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); 3513 struct bnx2 *bp = bnapi->bp; 3514 int work_done = 0; 3515 struct status_block *sblk = bnapi->status_blk.msi; 3516 3517 while (1) { 3518 bnx2_poll_link(bp, bnapi); 3519 3520 work_done = bnx2_poll_work(bp, bnapi, work_done, budget); 3521 3522 #ifdef BCM_CNIC 3523 bnx2_poll_cnic(bp, bnapi); 3524 #endif 3525 3526 /* bnapi->last_status_idx is used below to tell the hw how 3527 * much work has been processed, so we must read it before 3528 * checking for more work. 3529 */ 3530 bnapi->last_status_idx = sblk->status_idx; 3531 3532 if (unlikely(work_done >= budget)) 3533 break; 3534 3535 rmb(); 3536 if (likely(!bnx2_has_work(bnapi))) { 3537 napi_complete(napi); 3538 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) { 3539 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3540 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3541 bnapi->last_status_idx); 3542 break; 3543 } 3544 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3545 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3546 BNX2_PCICFG_INT_ACK_CMD_MASK_INT | 3547 bnapi->last_status_idx); 3548 3549 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, 3550 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | 3551 bnapi->last_status_idx); 3552 break; 3553 } 3554 } 3555 3556 return work_done; 3557 } 3558 3559 /* Called with rtnl_lock from vlan functions and also netif_tx_lock 3560 * from set_multicast. 3561 */ 3562 static void 3563 bnx2_set_rx_mode(struct net_device *dev) 3564 { 3565 struct bnx2 *bp = netdev_priv(dev); 3566 u32 rx_mode, sort_mode; 3567 struct netdev_hw_addr *ha; 3568 int i; 3569 3570 if (!netif_running(dev)) 3571 return; 3572 3573 spin_lock_bh(&bp->phy_lock); 3574 3575 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | 3576 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG); 3577 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN; 3578 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) && 3579 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) 3580 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; 3581 if (dev->flags & IFF_PROMISC) { 3582 /* Promiscuous mode. */ 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 } 3587 else if (dev->flags & IFF_ALLMULTI) { 3588 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3589 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3590 0xffffffff); 3591 } 3592 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN; 3593 } 3594 else { 3595 /* Accept one or more multicast(s). */ 3596 u32 mc_filter[NUM_MC_HASH_REGISTERS]; 3597 u32 regidx; 3598 u32 bit; 3599 u32 crc; 3600 3601 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS); 3602 3603 netdev_for_each_mc_addr(ha, dev) { 3604 crc = ether_crc_le(ETH_ALEN, ha->addr); 3605 bit = crc & 0xff; 3606 regidx = (bit & 0xe0) >> 5; 3607 bit &= 0x1f; 3608 mc_filter[regidx] |= (1 << bit); 3609 } 3610 3611 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3612 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3613 mc_filter[i]); 3614 } 3615 3616 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN; 3617 } 3618 3619 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) { 3620 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; 3621 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | 3622 BNX2_RPM_SORT_USER0_PROM_VLAN; 3623 } else if (!(dev->flags & IFF_PROMISC)) { 3624 /* Add all entries into to the match filter list */ 3625 i = 0; 3626 netdev_for_each_uc_addr(ha, dev) { 3627 bnx2_set_mac_addr(bp, ha->addr, 3628 i + BNX2_START_UNICAST_ADDRESS_INDEX); 3629 sort_mode |= (1 << 3630 (i + BNX2_START_UNICAST_ADDRESS_INDEX)); 3631 i++; 3632 } 3633 3634 } 3635 3636 if (rx_mode != bp->rx_mode) { 3637 bp->rx_mode = rx_mode; 3638 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode); 3639 } 3640 3641 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0); 3642 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode); 3643 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA); 3644 3645 spin_unlock_bh(&bp->phy_lock); 3646 } 3647 3648 static int 3649 check_fw_section(const struct firmware *fw, 3650 const struct bnx2_fw_file_section *section, 3651 u32 alignment, bool non_empty) 3652 { 3653 u32 offset = be32_to_cpu(section->offset); 3654 u32 len = be32_to_cpu(section->len); 3655 3656 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3) 3657 return -EINVAL; 3658 if ((non_empty && len == 0) || len > fw->size - offset || 3659 len & (alignment - 1)) 3660 return -EINVAL; 3661 return 0; 3662 } 3663 3664 static int 3665 check_mips_fw_entry(const struct firmware *fw, 3666 const struct bnx2_mips_fw_file_entry *entry) 3667 { 3668 if (check_fw_section(fw, &entry->text, 4, true) || 3669 check_fw_section(fw, &entry->data, 4, false) || 3670 check_fw_section(fw, &entry->rodata, 4, false)) 3671 return -EINVAL; 3672 return 0; 3673 } 3674 3675 static void bnx2_release_firmware(struct bnx2 *bp) 3676 { 3677 if (bp->rv2p_firmware) { 3678 release_firmware(bp->mips_firmware); 3679 release_firmware(bp->rv2p_firmware); 3680 bp->rv2p_firmware = NULL; 3681 } 3682 } 3683 3684 static int bnx2_request_uncached_firmware(struct bnx2 *bp) 3685 { 3686 const char *mips_fw_file, *rv2p_fw_file; 3687 const struct bnx2_mips_fw_file *mips_fw; 3688 const struct bnx2_rv2p_fw_file *rv2p_fw; 3689 int rc; 3690 3691 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 3692 mips_fw_file = FW_MIPS_FILE_09; 3693 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) || 3694 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1)) 3695 rv2p_fw_file = FW_RV2P_FILE_09_Ax; 3696 else 3697 rv2p_fw_file = FW_RV2P_FILE_09; 3698 } else { 3699 mips_fw_file = FW_MIPS_FILE_06; 3700 rv2p_fw_file = FW_RV2P_FILE_06; 3701 } 3702 3703 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev); 3704 if (rc) { 3705 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file); 3706 goto out; 3707 } 3708 3709 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev); 3710 if (rc) { 3711 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file); 3712 goto err_release_mips_firmware; 3713 } 3714 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; 3715 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; 3716 if (bp->mips_firmware->size < sizeof(*mips_fw) || 3717 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) || 3718 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) || 3719 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) || 3720 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) || 3721 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) { 3722 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file); 3723 rc = -EINVAL; 3724 goto err_release_firmware; 3725 } 3726 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) || 3727 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) || 3728 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) { 3729 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file); 3730 rc = -EINVAL; 3731 goto err_release_firmware; 3732 } 3733 out: 3734 return rc; 3735 3736 err_release_firmware: 3737 release_firmware(bp->rv2p_firmware); 3738 bp->rv2p_firmware = NULL; 3739 err_release_mips_firmware: 3740 release_firmware(bp->mips_firmware); 3741 goto out; 3742 } 3743 3744 static int bnx2_request_firmware(struct bnx2 *bp) 3745 { 3746 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp); 3747 } 3748 3749 static u32 3750 rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code) 3751 { 3752 switch (idx) { 3753 case RV2P_P1_FIXUP_PAGE_SIZE_IDX: 3754 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK; 3755 rv2p_code |= RV2P_BD_PAGE_SIZE; 3756 break; 3757 } 3758 return rv2p_code; 3759 } 3760 3761 static int 3762 load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc, 3763 const struct bnx2_rv2p_fw_file_entry *fw_entry) 3764 { 3765 u32 rv2p_code_len, file_offset; 3766 __be32 *rv2p_code; 3767 int i; 3768 u32 val, cmd, addr; 3769 3770 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len); 3771 file_offset = be32_to_cpu(fw_entry->rv2p.offset); 3772 3773 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); 3774 3775 if (rv2p_proc == RV2P_PROC1) { 3776 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR; 3777 addr = BNX2_RV2P_PROC1_ADDR_CMD; 3778 } else { 3779 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR; 3780 addr = BNX2_RV2P_PROC2_ADDR_CMD; 3781 } 3782 3783 for (i = 0; i < rv2p_code_len; i += 8) { 3784 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code)); 3785 rv2p_code++; 3786 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code)); 3787 rv2p_code++; 3788 3789 val = (i / 8) | cmd; 3790 BNX2_WR(bp, addr, val); 3791 } 3792 3793 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); 3794 for (i = 0; i < 8; i++) { 3795 u32 loc, code; 3796 3797 loc = be32_to_cpu(fw_entry->fixup[i]); 3798 if (loc && ((loc * 4) < rv2p_code_len)) { 3799 code = be32_to_cpu(*(rv2p_code + loc - 1)); 3800 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code); 3801 code = be32_to_cpu(*(rv2p_code + loc)); 3802 code = rv2p_fw_fixup(rv2p_proc, i, loc, code); 3803 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code); 3804 3805 val = (loc / 2) | cmd; 3806 BNX2_WR(bp, addr, val); 3807 } 3808 } 3809 3810 /* Reset the processor, un-stall is done later. */ 3811 if (rv2p_proc == RV2P_PROC1) { 3812 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET); 3813 } 3814 else { 3815 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET); 3816 } 3817 3818 return 0; 3819 } 3820 3821 static int 3822 load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, 3823 const struct bnx2_mips_fw_file_entry *fw_entry) 3824 { 3825 u32 addr, len, file_offset; 3826 __be32 *data; 3827 u32 offset; 3828 u32 val; 3829 3830 /* Halt the CPU. */ 3831 val = bnx2_reg_rd_ind(bp, cpu_reg->mode); 3832 val |= cpu_reg->mode_value_halt; 3833 bnx2_reg_wr_ind(bp, cpu_reg->mode, val); 3834 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); 3835 3836 /* Load the Text area. */ 3837 addr = be32_to_cpu(fw_entry->text.addr); 3838 len = be32_to_cpu(fw_entry->text.len); 3839 file_offset = be32_to_cpu(fw_entry->text.offset); 3840 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3841 3842 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3843 if (len) { 3844 int j; 3845 3846 for (j = 0; j < (len / 4); j++, offset += 4) 3847 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3848 } 3849 3850 /* Load the Data area. */ 3851 addr = be32_to_cpu(fw_entry->data.addr); 3852 len = be32_to_cpu(fw_entry->data.len); 3853 file_offset = be32_to_cpu(fw_entry->data.offset); 3854 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3855 3856 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3857 if (len) { 3858 int j; 3859 3860 for (j = 0; j < (len / 4); j++, offset += 4) 3861 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3862 } 3863 3864 /* Load the Read-Only area. */ 3865 addr = be32_to_cpu(fw_entry->rodata.addr); 3866 len = be32_to_cpu(fw_entry->rodata.len); 3867 file_offset = be32_to_cpu(fw_entry->rodata.offset); 3868 data = (__be32 *)(bp->mips_firmware->data + file_offset); 3869 3870 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); 3871 if (len) { 3872 int j; 3873 3874 for (j = 0; j < (len / 4); j++, offset += 4) 3875 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); 3876 } 3877 3878 /* Clear the pre-fetch instruction. */ 3879 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0); 3880 3881 val = be32_to_cpu(fw_entry->start_addr); 3882 bnx2_reg_wr_ind(bp, cpu_reg->pc, val); 3883 3884 /* Start the CPU. */ 3885 val = bnx2_reg_rd_ind(bp, cpu_reg->mode); 3886 val &= ~cpu_reg->mode_value_halt; 3887 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); 3888 bnx2_reg_wr_ind(bp, cpu_reg->mode, val); 3889 3890 return 0; 3891 } 3892 3893 static int 3894 bnx2_init_cpus(struct bnx2 *bp) 3895 { 3896 const struct bnx2_mips_fw_file *mips_fw = 3897 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; 3898 const struct bnx2_rv2p_fw_file *rv2p_fw = 3899 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; 3900 int rc; 3901 3902 /* Initialize the RV2P processor. */ 3903 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1); 3904 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2); 3905 3906 /* Initialize the RX Processor. */ 3907 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp); 3908 if (rc) 3909 goto init_cpu_err; 3910 3911 /* Initialize the TX Processor. */ 3912 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp); 3913 if (rc) 3914 goto init_cpu_err; 3915 3916 /* Initialize the TX Patch-up Processor. */ 3917 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat); 3918 if (rc) 3919 goto init_cpu_err; 3920 3921 /* Initialize the Completion Processor. */ 3922 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com); 3923 if (rc) 3924 goto init_cpu_err; 3925 3926 /* Initialize the Command Processor. */ 3927 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp); 3928 3929 init_cpu_err: 3930 return rc; 3931 } 3932 3933 static void 3934 bnx2_setup_wol(struct bnx2 *bp) 3935 { 3936 int i; 3937 u32 val, wol_msg; 3938 3939 if (bp->wol) { 3940 u32 advertising; 3941 u8 autoneg; 3942 3943 autoneg = bp->autoneg; 3944 advertising = bp->advertising; 3945 3946 if (bp->phy_port == PORT_TP) { 3947 bp->autoneg = AUTONEG_SPEED; 3948 bp->advertising = ADVERTISED_10baseT_Half | 3949 ADVERTISED_10baseT_Full | 3950 ADVERTISED_100baseT_Half | 3951 ADVERTISED_100baseT_Full | 3952 ADVERTISED_Autoneg; 3953 } 3954 3955 spin_lock_bh(&bp->phy_lock); 3956 bnx2_setup_phy(bp, bp->phy_port); 3957 spin_unlock_bh(&bp->phy_lock); 3958 3959 bp->autoneg = autoneg; 3960 bp->advertising = advertising; 3961 3962 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 3963 3964 val = BNX2_RD(bp, BNX2_EMAC_MODE); 3965 3966 /* Enable port mode. */ 3967 val &= ~BNX2_EMAC_MODE_PORT; 3968 val |= BNX2_EMAC_MODE_MPKT_RCVD | 3969 BNX2_EMAC_MODE_ACPI_RCVD | 3970 BNX2_EMAC_MODE_MPKT; 3971 if (bp->phy_port == PORT_TP) { 3972 val |= BNX2_EMAC_MODE_PORT_MII; 3973 } else { 3974 val |= BNX2_EMAC_MODE_PORT_GMII; 3975 if (bp->line_speed == SPEED_2500) 3976 val |= BNX2_EMAC_MODE_25G_MODE; 3977 } 3978 3979 BNX2_WR(bp, BNX2_EMAC_MODE, val); 3980 3981 /* receive all multicast */ 3982 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 3983 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), 3984 0xffffffff); 3985 } 3986 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE); 3987 3988 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN; 3989 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0); 3990 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val); 3991 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA); 3992 3993 /* Need to enable EMAC and RPM for WOL. */ 3994 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 3995 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE | 3996 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE | 3997 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE); 3998 3999 val = BNX2_RD(bp, BNX2_RPM_CONFIG); 4000 val &= ~BNX2_RPM_CONFIG_ACPI_ENA; 4001 BNX2_WR(bp, BNX2_RPM_CONFIG, val); 4002 4003 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL; 4004 } else { 4005 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; 4006 } 4007 4008 if (!(bp->flags & BNX2_FLAG_NO_WOL)) { 4009 u32 val; 4010 4011 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3; 4012 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) { 4013 bnx2_fw_sync(bp, wol_msg, 1, 0); 4014 return; 4015 } 4016 /* Tell firmware not to power down the PHY yet, otherwise 4017 * the chip will take a long time to respond to MMIO reads. 4018 */ 4019 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE); 4020 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, 4021 val | BNX2_PORT_FEATURE_ASF_ENABLED); 4022 bnx2_fw_sync(bp, wol_msg, 1, 0); 4023 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val); 4024 } 4025 4026 } 4027 4028 static int 4029 bnx2_set_power_state(struct bnx2 *bp, pci_power_t state) 4030 { 4031 switch (state) { 4032 case PCI_D0: { 4033 u32 val; 4034 4035 pci_enable_wake(bp->pdev, PCI_D0, false); 4036 pci_set_power_state(bp->pdev, PCI_D0); 4037 4038 val = BNX2_RD(bp, BNX2_EMAC_MODE); 4039 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD; 4040 val &= ~BNX2_EMAC_MODE_MPKT; 4041 BNX2_WR(bp, BNX2_EMAC_MODE, val); 4042 4043 val = BNX2_RD(bp, BNX2_RPM_CONFIG); 4044 val &= ~BNX2_RPM_CONFIG_ACPI_ENA; 4045 BNX2_WR(bp, BNX2_RPM_CONFIG, val); 4046 break; 4047 } 4048 case PCI_D3hot: { 4049 bnx2_setup_wol(bp); 4050 pci_wake_from_d3(bp->pdev, bp->wol); 4051 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) || 4052 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) { 4053 4054 if (bp->wol) 4055 pci_set_power_state(bp->pdev, PCI_D3hot); 4056 break; 4057 4058 } 4059 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) { 4060 u32 val; 4061 4062 /* Tell firmware not to power down the PHY yet, 4063 * otherwise the other port may not respond to 4064 * MMIO reads. 4065 */ 4066 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); 4067 val &= ~BNX2_CONDITION_PM_STATE_MASK; 4068 val |= BNX2_CONDITION_PM_STATE_UNPREP; 4069 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val); 4070 } 4071 pci_set_power_state(bp->pdev, PCI_D3hot); 4072 4073 /* No more memory access after this point until 4074 * device is brought back to D0. 4075 */ 4076 break; 4077 } 4078 default: 4079 return -EINVAL; 4080 } 4081 return 0; 4082 } 4083 4084 static int 4085 bnx2_acquire_nvram_lock(struct bnx2 *bp) 4086 { 4087 u32 val; 4088 int j; 4089 4090 /* Request access to the flash interface. */ 4091 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2); 4092 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4093 val = BNX2_RD(bp, BNX2_NVM_SW_ARB); 4094 if (val & BNX2_NVM_SW_ARB_ARB_ARB2) 4095 break; 4096 4097 udelay(5); 4098 } 4099 4100 if (j >= NVRAM_TIMEOUT_COUNT) 4101 return -EBUSY; 4102 4103 return 0; 4104 } 4105 4106 static int 4107 bnx2_release_nvram_lock(struct bnx2 *bp) 4108 { 4109 int j; 4110 u32 val; 4111 4112 /* Relinquish nvram interface. */ 4113 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2); 4114 4115 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4116 val = BNX2_RD(bp, BNX2_NVM_SW_ARB); 4117 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2)) 4118 break; 4119 4120 udelay(5); 4121 } 4122 4123 if (j >= NVRAM_TIMEOUT_COUNT) 4124 return -EBUSY; 4125 4126 return 0; 4127 } 4128 4129 4130 static int 4131 bnx2_enable_nvram_write(struct bnx2 *bp) 4132 { 4133 u32 val; 4134 4135 val = BNX2_RD(bp, BNX2_MISC_CFG); 4136 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI); 4137 4138 if (bp->flash_info->flags & BNX2_NV_WREN) { 4139 int j; 4140 4141 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4142 BNX2_WR(bp, BNX2_NVM_COMMAND, 4143 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT); 4144 4145 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4146 udelay(5); 4147 4148 val = BNX2_RD(bp, BNX2_NVM_COMMAND); 4149 if (val & BNX2_NVM_COMMAND_DONE) 4150 break; 4151 } 4152 4153 if (j >= NVRAM_TIMEOUT_COUNT) 4154 return -EBUSY; 4155 } 4156 return 0; 4157 } 4158 4159 static void 4160 bnx2_disable_nvram_write(struct bnx2 *bp) 4161 { 4162 u32 val; 4163 4164 val = BNX2_RD(bp, BNX2_MISC_CFG); 4165 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN); 4166 } 4167 4168 4169 static void 4170 bnx2_enable_nvram_access(struct bnx2 *bp) 4171 { 4172 u32 val; 4173 4174 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE); 4175 /* Enable both bits, even on read. */ 4176 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE, 4177 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN); 4178 } 4179 4180 static void 4181 bnx2_disable_nvram_access(struct bnx2 *bp) 4182 { 4183 u32 val; 4184 4185 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE); 4186 /* Disable both bits, even after read. */ 4187 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE, 4188 val & ~(BNX2_NVM_ACCESS_ENABLE_EN | 4189 BNX2_NVM_ACCESS_ENABLE_WR_EN)); 4190 } 4191 4192 static int 4193 bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset) 4194 { 4195 u32 cmd; 4196 int j; 4197 4198 if (bp->flash_info->flags & BNX2_NV_BUFFERED) 4199 /* Buffered flash, no erase needed */ 4200 return 0; 4201 4202 /* Build an erase command */ 4203 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR | 4204 BNX2_NVM_COMMAND_DOIT; 4205 4206 /* Need to clear DONE bit separately. */ 4207 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4208 4209 /* Address of the NVRAM to read from. */ 4210 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4211 4212 /* Issue an erase command. */ 4213 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd); 4214 4215 /* Wait for completion. */ 4216 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4217 u32 val; 4218 4219 udelay(5); 4220 4221 val = BNX2_RD(bp, BNX2_NVM_COMMAND); 4222 if (val & BNX2_NVM_COMMAND_DONE) 4223 break; 4224 } 4225 4226 if (j >= NVRAM_TIMEOUT_COUNT) 4227 return -EBUSY; 4228 4229 return 0; 4230 } 4231 4232 static int 4233 bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags) 4234 { 4235 u32 cmd; 4236 int j; 4237 4238 /* Build the command word. */ 4239 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags; 4240 4241 /* Calculate an offset of a buffered flash, not needed for 5709. */ 4242 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { 4243 offset = ((offset / bp->flash_info->page_size) << 4244 bp->flash_info->page_bits) + 4245 (offset % bp->flash_info->page_size); 4246 } 4247 4248 /* Need to clear DONE bit separately. */ 4249 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4250 4251 /* Address of the NVRAM to read from. */ 4252 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4253 4254 /* Issue a read command. */ 4255 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd); 4256 4257 /* Wait for completion. */ 4258 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4259 u32 val; 4260 4261 udelay(5); 4262 4263 val = BNX2_RD(bp, BNX2_NVM_COMMAND); 4264 if (val & BNX2_NVM_COMMAND_DONE) { 4265 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ)); 4266 memcpy(ret_val, &v, 4); 4267 break; 4268 } 4269 } 4270 if (j >= NVRAM_TIMEOUT_COUNT) 4271 return -EBUSY; 4272 4273 return 0; 4274 } 4275 4276 4277 static int 4278 bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags) 4279 { 4280 u32 cmd; 4281 __be32 val32; 4282 int j; 4283 4284 /* Build the command word. */ 4285 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags; 4286 4287 /* Calculate an offset of a buffered flash, not needed for 5709. */ 4288 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { 4289 offset = ((offset / bp->flash_info->page_size) << 4290 bp->flash_info->page_bits) + 4291 (offset % bp->flash_info->page_size); 4292 } 4293 4294 /* Need to clear DONE bit separately. */ 4295 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); 4296 4297 memcpy(&val32, val, 4); 4298 4299 /* Write the data. */ 4300 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32)); 4301 4302 /* Address of the NVRAM to write to. */ 4303 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); 4304 4305 /* Issue the write command. */ 4306 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd); 4307 4308 /* Wait for completion. */ 4309 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 4310 udelay(5); 4311 4312 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE) 4313 break; 4314 } 4315 if (j >= NVRAM_TIMEOUT_COUNT) 4316 return -EBUSY; 4317 4318 return 0; 4319 } 4320 4321 static int 4322 bnx2_init_nvram(struct bnx2 *bp) 4323 { 4324 u32 val; 4325 int j, entry_count, rc = 0; 4326 const struct flash_spec *flash; 4327 4328 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 4329 bp->flash_info = &flash_5709; 4330 goto get_flash_size; 4331 } 4332 4333 /* Determine the selected interface. */ 4334 val = BNX2_RD(bp, BNX2_NVM_CFG1); 4335 4336 entry_count = ARRAY_SIZE(flash_table); 4337 4338 if (val & 0x40000000) { 4339 4340 /* Flash interface has been reconfigured */ 4341 for (j = 0, flash = &flash_table[0]; j < entry_count; 4342 j++, flash++) { 4343 if ((val & FLASH_BACKUP_STRAP_MASK) == 4344 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) { 4345 bp->flash_info = flash; 4346 break; 4347 } 4348 } 4349 } 4350 else { 4351 u32 mask; 4352 /* Not yet been reconfigured */ 4353 4354 if (val & (1 << 23)) 4355 mask = FLASH_BACKUP_STRAP_MASK; 4356 else 4357 mask = FLASH_STRAP_MASK; 4358 4359 for (j = 0, flash = &flash_table[0]; j < entry_count; 4360 j++, flash++) { 4361 4362 if ((val & mask) == (flash->strapping & mask)) { 4363 bp->flash_info = flash; 4364 4365 /* Request access to the flash interface. */ 4366 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4367 return rc; 4368 4369 /* Enable access to flash interface */ 4370 bnx2_enable_nvram_access(bp); 4371 4372 /* Reconfigure the flash interface */ 4373 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1); 4374 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2); 4375 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3); 4376 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1); 4377 4378 /* Disable access to flash interface */ 4379 bnx2_disable_nvram_access(bp); 4380 bnx2_release_nvram_lock(bp); 4381 4382 break; 4383 } 4384 } 4385 } /* if (val & 0x40000000) */ 4386 4387 if (j == entry_count) { 4388 bp->flash_info = NULL; 4389 pr_alert("Unknown flash/EEPROM type\n"); 4390 return -ENODEV; 4391 } 4392 4393 get_flash_size: 4394 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2); 4395 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK; 4396 if (val) 4397 bp->flash_size = val; 4398 else 4399 bp->flash_size = bp->flash_info->total_size; 4400 4401 return rc; 4402 } 4403 4404 static int 4405 bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf, 4406 int buf_size) 4407 { 4408 int rc = 0; 4409 u32 cmd_flags, offset32, len32, extra; 4410 4411 if (buf_size == 0) 4412 return 0; 4413 4414 /* Request access to the flash interface. */ 4415 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4416 return rc; 4417 4418 /* Enable access to flash interface */ 4419 bnx2_enable_nvram_access(bp); 4420 4421 len32 = buf_size; 4422 offset32 = offset; 4423 extra = 0; 4424 4425 cmd_flags = 0; 4426 4427 if (offset32 & 3) { 4428 u8 buf[4]; 4429 u32 pre_len; 4430 4431 offset32 &= ~3; 4432 pre_len = 4 - (offset & 3); 4433 4434 if (pre_len >= len32) { 4435 pre_len = len32; 4436 cmd_flags = BNX2_NVM_COMMAND_FIRST | 4437 BNX2_NVM_COMMAND_LAST; 4438 } 4439 else { 4440 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4441 } 4442 4443 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4444 4445 if (rc) 4446 return rc; 4447 4448 memcpy(ret_buf, buf + (offset & 3), pre_len); 4449 4450 offset32 += 4; 4451 ret_buf += pre_len; 4452 len32 -= pre_len; 4453 } 4454 if (len32 & 3) { 4455 extra = 4 - (len32 & 3); 4456 len32 = (len32 + 4) & ~3; 4457 } 4458 4459 if (len32 == 4) { 4460 u8 buf[4]; 4461 4462 if (cmd_flags) 4463 cmd_flags = BNX2_NVM_COMMAND_LAST; 4464 else 4465 cmd_flags = BNX2_NVM_COMMAND_FIRST | 4466 BNX2_NVM_COMMAND_LAST; 4467 4468 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4469 4470 memcpy(ret_buf, buf, 4 - extra); 4471 } 4472 else if (len32 > 0) { 4473 u8 buf[4]; 4474 4475 /* Read the first word. */ 4476 if (cmd_flags) 4477 cmd_flags = 0; 4478 else 4479 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4480 4481 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags); 4482 4483 /* Advance to the next dword. */ 4484 offset32 += 4; 4485 ret_buf += 4; 4486 len32 -= 4; 4487 4488 while (len32 > 4 && rc == 0) { 4489 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0); 4490 4491 /* Advance to the next dword. */ 4492 offset32 += 4; 4493 ret_buf += 4; 4494 len32 -= 4; 4495 } 4496 4497 if (rc) 4498 return rc; 4499 4500 cmd_flags = BNX2_NVM_COMMAND_LAST; 4501 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); 4502 4503 memcpy(ret_buf, buf, 4 - extra); 4504 } 4505 4506 /* Disable access to flash interface */ 4507 bnx2_disable_nvram_access(bp); 4508 4509 bnx2_release_nvram_lock(bp); 4510 4511 return rc; 4512 } 4513 4514 static int 4515 bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, 4516 int buf_size) 4517 { 4518 u32 written, offset32, len32; 4519 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL; 4520 int rc = 0; 4521 int align_start, align_end; 4522 4523 buf = data_buf; 4524 offset32 = offset; 4525 len32 = buf_size; 4526 align_start = align_end = 0; 4527 4528 if ((align_start = (offset32 & 3))) { 4529 offset32 &= ~3; 4530 len32 += align_start; 4531 if (len32 < 4) 4532 len32 = 4; 4533 if ((rc = bnx2_nvram_read(bp, offset32, start, 4))) 4534 return rc; 4535 } 4536 4537 if (len32 & 3) { 4538 align_end = 4 - (len32 & 3); 4539 len32 += align_end; 4540 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4))) 4541 return rc; 4542 } 4543 4544 if (align_start || align_end) { 4545 align_buf = kmalloc(len32, GFP_KERNEL); 4546 if (align_buf == NULL) 4547 return -ENOMEM; 4548 if (align_start) { 4549 memcpy(align_buf, start, 4); 4550 } 4551 if (align_end) { 4552 memcpy(align_buf + len32 - 4, end, 4); 4553 } 4554 memcpy(align_buf + align_start, data_buf, buf_size); 4555 buf = align_buf; 4556 } 4557 4558 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4559 flash_buffer = kmalloc(264, GFP_KERNEL); 4560 if (flash_buffer == NULL) { 4561 rc = -ENOMEM; 4562 goto nvram_write_end; 4563 } 4564 } 4565 4566 written = 0; 4567 while ((written < len32) && (rc == 0)) { 4568 u32 page_start, page_end, data_start, data_end; 4569 u32 addr, cmd_flags; 4570 int i; 4571 4572 /* Find the page_start addr */ 4573 page_start = offset32 + written; 4574 page_start -= (page_start % bp->flash_info->page_size); 4575 /* Find the page_end addr */ 4576 page_end = page_start + bp->flash_info->page_size; 4577 /* Find the data_start addr */ 4578 data_start = (written == 0) ? offset32 : page_start; 4579 /* Find the data_end addr */ 4580 data_end = (page_end > offset32 + len32) ? 4581 (offset32 + len32) : page_end; 4582 4583 /* Request access to the flash interface. */ 4584 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) 4585 goto nvram_write_end; 4586 4587 /* Enable access to flash interface */ 4588 bnx2_enable_nvram_access(bp); 4589 4590 cmd_flags = BNX2_NVM_COMMAND_FIRST; 4591 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4592 int j; 4593 4594 /* Read the whole page into the buffer 4595 * (non-buffer flash only) */ 4596 for (j = 0; j < bp->flash_info->page_size; j += 4) { 4597 if (j == (bp->flash_info->page_size - 4)) { 4598 cmd_flags |= BNX2_NVM_COMMAND_LAST; 4599 } 4600 rc = bnx2_nvram_read_dword(bp, 4601 page_start + j, 4602 &flash_buffer[j], 4603 cmd_flags); 4604 4605 if (rc) 4606 goto nvram_write_end; 4607 4608 cmd_flags = 0; 4609 } 4610 } 4611 4612 /* Enable writes to flash interface (unlock write-protect) */ 4613 if ((rc = bnx2_enable_nvram_write(bp)) != 0) 4614 goto nvram_write_end; 4615 4616 /* Loop to write back the buffer data from page_start to 4617 * data_start */ 4618 i = 0; 4619 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4620 /* Erase the page */ 4621 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0) 4622 goto nvram_write_end; 4623 4624 /* Re-enable the write again for the actual write */ 4625 bnx2_enable_nvram_write(bp); 4626 4627 for (addr = page_start; addr < data_start; 4628 addr += 4, i += 4) { 4629 4630 rc = bnx2_nvram_write_dword(bp, addr, 4631 &flash_buffer[i], cmd_flags); 4632 4633 if (rc != 0) 4634 goto nvram_write_end; 4635 4636 cmd_flags = 0; 4637 } 4638 } 4639 4640 /* Loop to write the new data from data_start to data_end */ 4641 for (addr = data_start; addr < data_end; addr += 4, i += 4) { 4642 if ((addr == page_end - 4) || 4643 ((bp->flash_info->flags & BNX2_NV_BUFFERED) && 4644 (addr == data_end - 4))) { 4645 4646 cmd_flags |= BNX2_NVM_COMMAND_LAST; 4647 } 4648 rc = bnx2_nvram_write_dword(bp, addr, buf, 4649 cmd_flags); 4650 4651 if (rc != 0) 4652 goto nvram_write_end; 4653 4654 cmd_flags = 0; 4655 buf += 4; 4656 } 4657 4658 /* Loop to write back the buffer data from data_end 4659 * to page_end */ 4660 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { 4661 for (addr = data_end; addr < page_end; 4662 addr += 4, i += 4) { 4663 4664 if (addr == page_end-4) { 4665 cmd_flags = BNX2_NVM_COMMAND_LAST; 4666 } 4667 rc = bnx2_nvram_write_dword(bp, addr, 4668 &flash_buffer[i], cmd_flags); 4669 4670 if (rc != 0) 4671 goto nvram_write_end; 4672 4673 cmd_flags = 0; 4674 } 4675 } 4676 4677 /* Disable writes to flash interface (lock write-protect) */ 4678 bnx2_disable_nvram_write(bp); 4679 4680 /* Disable access to flash interface */ 4681 bnx2_disable_nvram_access(bp); 4682 bnx2_release_nvram_lock(bp); 4683 4684 /* Increment written */ 4685 written += data_end - data_start; 4686 } 4687 4688 nvram_write_end: 4689 kfree(flash_buffer); 4690 kfree(align_buf); 4691 return rc; 4692 } 4693 4694 static void 4695 bnx2_init_fw_cap(struct bnx2 *bp) 4696 { 4697 u32 val, sig = 0; 4698 4699 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP; 4700 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN; 4701 4702 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE)) 4703 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; 4704 4705 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB); 4706 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE) 4707 return; 4708 4709 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) { 4710 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; 4711 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN; 4712 } 4713 4714 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && 4715 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) { 4716 u32 link; 4717 4718 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP; 4719 4720 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS); 4721 if (link & BNX2_LINK_STATUS_SERDES_LINK) 4722 bp->phy_port = PORT_FIBRE; 4723 else 4724 bp->phy_port = PORT_TP; 4725 4726 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | 4727 BNX2_FW_CAP_REMOTE_PHY_CAPABLE; 4728 } 4729 4730 if (netif_running(bp->dev) && sig) 4731 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig); 4732 } 4733 4734 static void 4735 bnx2_setup_msix_tbl(struct bnx2 *bp) 4736 { 4737 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN); 4738 4739 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR); 4740 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR); 4741 } 4742 4743 static int 4744 bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) 4745 { 4746 u32 val; 4747 int i, rc = 0; 4748 u8 old_port; 4749 4750 /* Wait for the current PCI transaction to complete before 4751 * issuing a reset. */ 4752 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) || 4753 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) { 4754 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS, 4755 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE | 4756 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE | 4757 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE | 4758 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE); 4759 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS); 4760 udelay(5); 4761 } else { /* 5709 */ 4762 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL); 4763 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE; 4764 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val); 4765 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL); 4766 4767 for (i = 0; i < 100; i++) { 4768 msleep(1); 4769 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL); 4770 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND)) 4771 break; 4772 } 4773 } 4774 4775 /* Wait for the firmware to tell us it is ok to issue a reset. */ 4776 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1); 4777 4778 /* Deposit a driver reset signature so the firmware knows that 4779 * this is a soft reset. */ 4780 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE, 4781 BNX2_DRV_RESET_SIGNATURE_MAGIC); 4782 4783 /* Do a dummy read to force the chip to complete all current transaction 4784 * before we issue a reset. */ 4785 val = BNX2_RD(bp, BNX2_MISC_ID); 4786 4787 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 4788 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET); 4789 BNX2_RD(bp, BNX2_MISC_COMMAND); 4790 udelay(5); 4791 4792 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4793 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4794 4795 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); 4796 4797 } else { 4798 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4799 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4800 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4801 4802 /* Chip reset. */ 4803 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); 4804 4805 /* Reading back any register after chip reset will hang the 4806 * bus on 5706 A0 and A1. The msleep below provides plenty 4807 * of margin for write posting. 4808 */ 4809 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) || 4810 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) 4811 msleep(20); 4812 4813 /* Reset takes approximate 30 usec */ 4814 for (i = 0; i < 10; i++) { 4815 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG); 4816 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4817 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) 4818 break; 4819 udelay(10); 4820 } 4821 4822 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4823 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { 4824 pr_err("Chip reset did not complete\n"); 4825 return -EBUSY; 4826 } 4827 } 4828 4829 /* Make sure byte swapping is properly configured. */ 4830 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0); 4831 if (val != 0x01020304) { 4832 pr_err("Chip not in correct endian mode\n"); 4833 return -ENODEV; 4834 } 4835 4836 /* Wait for the firmware to finish its initialization. */ 4837 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0); 4838 if (rc) 4839 return rc; 4840 4841 spin_lock_bh(&bp->phy_lock); 4842 old_port = bp->phy_port; 4843 bnx2_init_fw_cap(bp); 4844 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) && 4845 old_port != bp->phy_port) 4846 bnx2_set_default_remote_link(bp); 4847 spin_unlock_bh(&bp->phy_lock); 4848 4849 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) { 4850 /* Adjust the voltage regular to two steps lower. The default 4851 * of this register is 0x0000000e. */ 4852 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa); 4853 4854 /* Remove bad rbuf memory from the free pool. */ 4855 rc = bnx2_alloc_bad_rbuf(bp); 4856 } 4857 4858 if (bp->flags & BNX2_FLAG_USING_MSIX) { 4859 bnx2_setup_msix_tbl(bp); 4860 /* Prevent MSIX table reads and write from timing out */ 4861 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL, 4862 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN); 4863 } 4864 4865 return rc; 4866 } 4867 4868 static int 4869 bnx2_init_chip(struct bnx2 *bp) 4870 { 4871 u32 val, mtu; 4872 int rc, i; 4873 4874 /* Make sure the interrupt is not active. */ 4875 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT); 4876 4877 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP | 4878 BNX2_DMA_CONFIG_DATA_WORD_SWAP | 4879 #ifdef __BIG_ENDIAN 4880 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | 4881 #endif 4882 BNX2_DMA_CONFIG_CNTL_WORD_SWAP | 4883 DMA_READ_CHANS << 12 | 4884 DMA_WRITE_CHANS << 16; 4885 4886 val |= (0x2 << 20) | (1 << 11); 4887 4888 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133)) 4889 val |= (1 << 23); 4890 4891 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) && 4892 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) && 4893 !(bp->flags & BNX2_FLAG_PCIX)) 4894 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA; 4895 4896 BNX2_WR(bp, BNX2_DMA_CONFIG, val); 4897 4898 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) { 4899 val = BNX2_RD(bp, BNX2_TDMA_CONFIG); 4900 val |= BNX2_TDMA_CONFIG_ONE_DMA; 4901 BNX2_WR(bp, BNX2_TDMA_CONFIG, val); 4902 } 4903 4904 if (bp->flags & BNX2_FLAG_PCIX) { 4905 u16 val16; 4906 4907 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, 4908 &val16); 4909 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, 4910 val16 & ~PCI_X_CMD_ERO); 4911 } 4912 4913 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 4914 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE | 4915 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE | 4916 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE); 4917 4918 /* Initialize context mapping and zero out the quick contexts. The 4919 * context block must have already been enabled. */ 4920 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 4921 rc = bnx2_init_5709_context(bp); 4922 if (rc) 4923 return rc; 4924 } else 4925 bnx2_init_context(bp); 4926 4927 if ((rc = bnx2_init_cpus(bp)) != 0) 4928 return rc; 4929 4930 bnx2_init_nvram(bp); 4931 4932 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 4933 4934 val = BNX2_RD(bp, BNX2_MQ_CONFIG); 4935 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE; 4936 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; 4937 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 4938 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE; 4939 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax) 4940 val |= BNX2_MQ_CONFIG_HALT_DIS; 4941 } 4942 4943 BNX2_WR(bp, BNX2_MQ_CONFIG, val); 4944 4945 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE); 4946 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val); 4947 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val); 4948 4949 val = (BNX2_PAGE_BITS - 8) << 24; 4950 BNX2_WR(bp, BNX2_RV2P_CONFIG, val); 4951 4952 /* Configure page size. */ 4953 val = BNX2_RD(bp, BNX2_TBDR_CONFIG); 4954 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE; 4955 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40; 4956 BNX2_WR(bp, BNX2_TBDR_CONFIG, val); 4957 4958 val = bp->mac_addr[0] + 4959 (bp->mac_addr[1] << 8) + 4960 (bp->mac_addr[2] << 16) + 4961 bp->mac_addr[3] + 4962 (bp->mac_addr[4] << 8) + 4963 (bp->mac_addr[5] << 16); 4964 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val); 4965 4966 /* Program the MTU. Also include 4 bytes for CRC32. */ 4967 mtu = bp->dev->mtu; 4968 val = mtu + ETH_HLEN + ETH_FCS_LEN; 4969 if (val > (MAX_ETHERNET_PACKET_SIZE + 4)) 4970 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA; 4971 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val); 4972 4973 if (mtu < 1500) 4974 mtu = 1500; 4975 4976 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu)); 4977 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu)); 4978 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu)); 4979 4980 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size); 4981 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) 4982 bp->bnx2_napi[i].last_status_idx = 0; 4983 4984 bp->idle_chk_status_idx = 0xffff; 4985 4986 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE; 4987 4988 /* Set up how to generate a link change interrupt. */ 4989 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); 4990 4991 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L, 4992 (u64) bp->status_blk_mapping & 0xffffffff); 4993 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32); 4994 4995 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L, 4996 (u64) bp->stats_blk_mapping & 0xffffffff); 4997 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H, 4998 (u64) bp->stats_blk_mapping >> 32); 4999 5000 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, 5001 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip); 5002 5003 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP, 5004 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip); 5005 5006 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP, 5007 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip); 5008 5009 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks); 5010 5011 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks); 5012 5013 BNX2_WR(bp, BNX2_HC_COM_TICKS, 5014 (bp->com_ticks_int << 16) | bp->com_ticks); 5015 5016 BNX2_WR(bp, BNX2_HC_CMD_TICKS, 5017 (bp->cmd_ticks_int << 16) | bp->cmd_ticks); 5018 5019 if (bp->flags & BNX2_FLAG_BROKEN_STATS) 5020 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0); 5021 else 5022 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks); 5023 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */ 5024 5025 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) 5026 val = BNX2_HC_CONFIG_COLLECT_STATS; 5027 else { 5028 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE | 5029 BNX2_HC_CONFIG_COLLECT_STATS; 5030 } 5031 5032 if (bp->flags & BNX2_FLAG_USING_MSIX) { 5033 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR, 5034 BNX2_HC_MSIX_BIT_VECTOR_VAL); 5035 5036 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B; 5037 } 5038 5039 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI) 5040 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM; 5041 5042 BNX2_WR(bp, BNX2_HC_CONFIG, val); 5043 5044 if (bp->rx_ticks < 25) 5045 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1); 5046 else 5047 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0); 5048 5049 for (i = 1; i < bp->irq_nvecs; i++) { 5050 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) + 5051 BNX2_HC_SB_CONFIG_1; 5052 5053 BNX2_WR(bp, base, 5054 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE | 5055 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE | 5056 BNX2_HC_SB_CONFIG_1_ONE_SHOT); 5057 5058 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF, 5059 (bp->tx_quick_cons_trip_int << 16) | 5060 bp->tx_quick_cons_trip); 5061 5062 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF, 5063 (bp->tx_ticks_int << 16) | bp->tx_ticks); 5064 5065 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF, 5066 (bp->rx_quick_cons_trip_int << 16) | 5067 bp->rx_quick_cons_trip); 5068 5069 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF, 5070 (bp->rx_ticks_int << 16) | bp->rx_ticks); 5071 } 5072 5073 /* Clear internal stats counters. */ 5074 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW); 5075 5076 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS); 5077 5078 /* Initialize the receive filter. */ 5079 bnx2_set_rx_mode(bp->dev); 5080 5081 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 5082 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL); 5083 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE; 5084 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val); 5085 } 5086 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET, 5087 1, 0); 5088 5089 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT); 5090 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS); 5091 5092 udelay(20); 5093 5094 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND); 5095 5096 return rc; 5097 } 5098 5099 static void 5100 bnx2_clear_ring_states(struct bnx2 *bp) 5101 { 5102 struct bnx2_napi *bnapi; 5103 struct bnx2_tx_ring_info *txr; 5104 struct bnx2_rx_ring_info *rxr; 5105 int i; 5106 5107 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 5108 bnapi = &bp->bnx2_napi[i]; 5109 txr = &bnapi->tx_ring; 5110 rxr = &bnapi->rx_ring; 5111 5112 txr->tx_cons = 0; 5113 txr->hw_tx_cons = 0; 5114 rxr->rx_prod_bseq = 0; 5115 rxr->rx_prod = 0; 5116 rxr->rx_cons = 0; 5117 rxr->rx_pg_prod = 0; 5118 rxr->rx_pg_cons = 0; 5119 } 5120 } 5121 5122 static void 5123 bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr) 5124 { 5125 u32 val, offset0, offset1, offset2, offset3; 5126 u32 cid_addr = GET_CID_ADDR(cid); 5127 5128 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 5129 offset0 = BNX2_L2CTX_TYPE_XI; 5130 offset1 = BNX2_L2CTX_CMD_TYPE_XI; 5131 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; 5132 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; 5133 } else { 5134 offset0 = BNX2_L2CTX_TYPE; 5135 offset1 = BNX2_L2CTX_CMD_TYPE; 5136 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; 5137 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO; 5138 } 5139 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2; 5140 bnx2_ctx_wr(bp, cid_addr, offset0, val); 5141 5142 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); 5143 bnx2_ctx_wr(bp, cid_addr, offset1, val); 5144 5145 val = (u64) txr->tx_desc_mapping >> 32; 5146 bnx2_ctx_wr(bp, cid_addr, offset2, val); 5147 5148 val = (u64) txr->tx_desc_mapping & 0xffffffff; 5149 bnx2_ctx_wr(bp, cid_addr, offset3, val); 5150 } 5151 5152 static void 5153 bnx2_init_tx_ring(struct bnx2 *bp, int ring_num) 5154 { 5155 struct bnx2_tx_bd *txbd; 5156 u32 cid = TX_CID; 5157 struct bnx2_napi *bnapi; 5158 struct bnx2_tx_ring_info *txr; 5159 5160 bnapi = &bp->bnx2_napi[ring_num]; 5161 txr = &bnapi->tx_ring; 5162 5163 if (ring_num == 0) 5164 cid = TX_CID; 5165 else 5166 cid = TX_TSS_CID + ring_num - 1; 5167 5168 bp->tx_wake_thresh = bp->tx_ring_size / 2; 5169 5170 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT]; 5171 5172 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32; 5173 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff; 5174 5175 txr->tx_prod = 0; 5176 txr->tx_prod_bseq = 0; 5177 5178 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX; 5179 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ; 5180 5181 bnx2_init_tx_context(bp, cid, txr); 5182 } 5183 5184 static void 5185 bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[], 5186 u32 buf_size, int num_rings) 5187 { 5188 int i; 5189 struct bnx2_rx_bd *rxbd; 5190 5191 for (i = 0; i < num_rings; i++) { 5192 int j; 5193 5194 rxbd = &rx_ring[i][0]; 5195 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) { 5196 rxbd->rx_bd_len = buf_size; 5197 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END; 5198 } 5199 if (i == (num_rings - 1)) 5200 j = 0; 5201 else 5202 j = i + 1; 5203 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32; 5204 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff; 5205 } 5206 } 5207 5208 static void 5209 bnx2_init_rx_ring(struct bnx2 *bp, int ring_num) 5210 { 5211 int i; 5212 u16 prod, ring_prod; 5213 u32 cid, rx_cid_addr, val; 5214 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num]; 5215 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5216 5217 if (ring_num == 0) 5218 cid = RX_CID; 5219 else 5220 cid = RX_RSS_CID + ring_num - 1; 5221 5222 rx_cid_addr = GET_CID_ADDR(cid); 5223 5224 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping, 5225 bp->rx_buf_use_size, bp->rx_max_ring); 5226 5227 bnx2_init_rx_context(bp, cid); 5228 5229 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 5230 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5); 5231 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM); 5232 } 5233 5234 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0); 5235 if (bp->rx_pg_ring_size) { 5236 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring, 5237 rxr->rx_pg_desc_mapping, 5238 PAGE_SIZE, bp->rx_max_pg_ring); 5239 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE; 5240 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val); 5241 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY, 5242 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num); 5243 5244 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32; 5245 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val); 5246 5247 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff; 5248 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val); 5249 5250 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 5251 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT); 5252 } 5253 5254 val = (u64) rxr->rx_desc_mapping[0] >> 32; 5255 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val); 5256 5257 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff; 5258 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val); 5259 5260 ring_prod = prod = rxr->rx_pg_prod; 5261 for (i = 0; i < bp->rx_pg_ring_size; i++) { 5262 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) { 5263 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n", 5264 ring_num, i, bp->rx_pg_ring_size); 5265 break; 5266 } 5267 prod = BNX2_NEXT_RX_BD(prod); 5268 ring_prod = BNX2_RX_PG_RING_IDX(prod); 5269 } 5270 rxr->rx_pg_prod = prod; 5271 5272 ring_prod = prod = rxr->rx_prod; 5273 for (i = 0; i < bp->rx_ring_size; i++) { 5274 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) { 5275 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n", 5276 ring_num, i, bp->rx_ring_size); 5277 break; 5278 } 5279 prod = BNX2_NEXT_RX_BD(prod); 5280 ring_prod = BNX2_RX_RING_IDX(prod); 5281 } 5282 rxr->rx_prod = prod; 5283 5284 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX; 5285 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ; 5286 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX; 5287 5288 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); 5289 BNX2_WR16(bp, rxr->rx_bidx_addr, prod); 5290 5291 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); 5292 } 5293 5294 static void 5295 bnx2_init_all_rings(struct bnx2 *bp) 5296 { 5297 int i; 5298 u32 val; 5299 5300 bnx2_clear_ring_states(bp); 5301 5302 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0); 5303 for (i = 0; i < bp->num_tx_rings; i++) 5304 bnx2_init_tx_ring(bp, i); 5305 5306 if (bp->num_tx_rings > 1) 5307 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) | 5308 (TX_TSS_CID << 7)); 5309 5310 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0); 5311 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0); 5312 5313 for (i = 0; i < bp->num_rx_rings; i++) 5314 bnx2_init_rx_ring(bp, i); 5315 5316 if (bp->num_rx_rings > 1) { 5317 u32 tbl_32 = 0; 5318 5319 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) { 5320 int shift = (i % 8) << 2; 5321 5322 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift; 5323 if ((i % 8) == 7) { 5324 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32); 5325 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) | 5326 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK | 5327 BNX2_RLUP_RSS_COMMAND_WRITE | 5328 BNX2_RLUP_RSS_COMMAND_HASH_MASK); 5329 tbl_32 = 0; 5330 } 5331 } 5332 5333 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI | 5334 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI; 5335 5336 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val); 5337 5338 } 5339 } 5340 5341 static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size) 5342 { 5343 u32 max, num_rings = 1; 5344 5345 while (ring_size > BNX2_MAX_RX_DESC_CNT) { 5346 ring_size -= BNX2_MAX_RX_DESC_CNT; 5347 num_rings++; 5348 } 5349 /* round to next power of 2 */ 5350 max = max_size; 5351 while ((max & num_rings) == 0) 5352 max >>= 1; 5353 5354 if (num_rings != max) 5355 max <<= 1; 5356 5357 return max; 5358 } 5359 5360 static void 5361 bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) 5362 { 5363 u32 rx_size, rx_space, jumbo_size; 5364 5365 /* 8 for CRC and VLAN */ 5366 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8; 5367 5368 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD + 5369 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); 5370 5371 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH; 5372 bp->rx_pg_ring_size = 0; 5373 bp->rx_max_pg_ring = 0; 5374 bp->rx_max_pg_ring_idx = 0; 5375 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) { 5376 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT; 5377 5378 jumbo_size = size * pages; 5379 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT) 5380 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT; 5381 5382 bp->rx_pg_ring_size = jumbo_size; 5383 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size, 5384 BNX2_MAX_RX_PG_RINGS); 5385 bp->rx_max_pg_ring_idx = 5386 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1; 5387 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET; 5388 bp->rx_copy_thresh = 0; 5389 } 5390 5391 bp->rx_buf_use_size = rx_size; 5392 /* hw alignment + build_skb() overhead*/ 5393 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) + 5394 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); 5395 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET; 5396 bp->rx_ring_size = size; 5397 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS); 5398 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1; 5399 } 5400 5401 static void 5402 bnx2_free_tx_skbs(struct bnx2 *bp) 5403 { 5404 int i; 5405 5406 for (i = 0; i < bp->num_tx_rings; i++) { 5407 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 5408 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 5409 int j; 5410 5411 if (txr->tx_buf_ring == NULL) 5412 continue; 5413 5414 for (j = 0; j < BNX2_TX_DESC_CNT; ) { 5415 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; 5416 struct sk_buff *skb = tx_buf->skb; 5417 int k, last; 5418 5419 if (skb == NULL) { 5420 j = BNX2_NEXT_TX_BD(j); 5421 continue; 5422 } 5423 5424 dma_unmap_single(&bp->pdev->dev, 5425 dma_unmap_addr(tx_buf, mapping), 5426 skb_headlen(skb), 5427 PCI_DMA_TODEVICE); 5428 5429 tx_buf->skb = NULL; 5430 5431 last = tx_buf->nr_frags; 5432 j = BNX2_NEXT_TX_BD(j); 5433 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) { 5434 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)]; 5435 dma_unmap_page(&bp->pdev->dev, 5436 dma_unmap_addr(tx_buf, mapping), 5437 skb_frag_size(&skb_shinfo(skb)->frags[k]), 5438 PCI_DMA_TODEVICE); 5439 } 5440 dev_kfree_skb(skb); 5441 } 5442 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i)); 5443 } 5444 } 5445 5446 static void 5447 bnx2_free_rx_skbs(struct bnx2 *bp) 5448 { 5449 int i; 5450 5451 for (i = 0; i < bp->num_rx_rings; i++) { 5452 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 5453 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5454 int j; 5455 5456 if (rxr->rx_buf_ring == NULL) 5457 return; 5458 5459 for (j = 0; j < bp->rx_max_ring_idx; j++) { 5460 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j]; 5461 u8 *data = rx_buf->data; 5462 5463 if (data == NULL) 5464 continue; 5465 5466 dma_unmap_single(&bp->pdev->dev, 5467 dma_unmap_addr(rx_buf, mapping), 5468 bp->rx_buf_use_size, 5469 PCI_DMA_FROMDEVICE); 5470 5471 rx_buf->data = NULL; 5472 5473 kfree(data); 5474 } 5475 for (j = 0; j < bp->rx_max_pg_ring_idx; j++) 5476 bnx2_free_rx_page(bp, rxr, j); 5477 } 5478 } 5479 5480 static void 5481 bnx2_free_skbs(struct bnx2 *bp) 5482 { 5483 bnx2_free_tx_skbs(bp); 5484 bnx2_free_rx_skbs(bp); 5485 } 5486 5487 static int 5488 bnx2_reset_nic(struct bnx2 *bp, u32 reset_code) 5489 { 5490 int rc; 5491 5492 rc = bnx2_reset_chip(bp, reset_code); 5493 bnx2_free_skbs(bp); 5494 if (rc) 5495 return rc; 5496 5497 if ((rc = bnx2_init_chip(bp)) != 0) 5498 return rc; 5499 5500 bnx2_init_all_rings(bp); 5501 return 0; 5502 } 5503 5504 static int 5505 bnx2_init_nic(struct bnx2 *bp, int reset_phy) 5506 { 5507 int rc; 5508 5509 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0) 5510 return rc; 5511 5512 spin_lock_bh(&bp->phy_lock); 5513 bnx2_init_phy(bp, reset_phy); 5514 bnx2_set_link(bp); 5515 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 5516 bnx2_remote_phy_event(bp); 5517 spin_unlock_bh(&bp->phy_lock); 5518 return 0; 5519 } 5520 5521 static int 5522 bnx2_shutdown_chip(struct bnx2 *bp) 5523 { 5524 u32 reset_code; 5525 5526 if (bp->flags & BNX2_FLAG_NO_WOL) 5527 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; 5528 else if (bp->wol) 5529 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; 5530 else 5531 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; 5532 5533 return bnx2_reset_chip(bp, reset_code); 5534 } 5535 5536 static int 5537 bnx2_test_registers(struct bnx2 *bp) 5538 { 5539 int ret; 5540 int i, is_5709; 5541 static const struct { 5542 u16 offset; 5543 u16 flags; 5544 #define BNX2_FL_NOT_5709 1 5545 u32 rw_mask; 5546 u32 ro_mask; 5547 } reg_tbl[] = { 5548 { 0x006c, 0, 0x00000000, 0x0000003f }, 5549 { 0x0090, 0, 0xffffffff, 0x00000000 }, 5550 { 0x0094, 0, 0x00000000, 0x00000000 }, 5551 5552 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 }, 5553 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5554 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5555 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff }, 5556 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 }, 5557 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, 5558 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff }, 5559 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5560 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5561 5562 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5563 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, 5564 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5565 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5566 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5567 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, 5568 5569 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, 5570 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 }, 5571 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 }, 5572 5573 { 0x1000, 0, 0x00000000, 0x00000001 }, 5574 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 }, 5575 5576 { 0x1408, 0, 0x01c00800, 0x00000000 }, 5577 { 0x149c, 0, 0x8000ffff, 0x00000000 }, 5578 { 0x14a8, 0, 0x00000000, 0x000001ff }, 5579 { 0x14ac, 0, 0x0fffffff, 0x10000000 }, 5580 { 0x14b0, 0, 0x00000002, 0x00000001 }, 5581 { 0x14b8, 0, 0x00000000, 0x00000000 }, 5582 { 0x14c0, 0, 0x00000000, 0x00000009 }, 5583 { 0x14c4, 0, 0x00003fff, 0x00000000 }, 5584 { 0x14cc, 0, 0x00000000, 0x00000001 }, 5585 { 0x14d0, 0, 0xffffffff, 0x00000000 }, 5586 5587 { 0x1800, 0, 0x00000000, 0x00000001 }, 5588 { 0x1804, 0, 0x00000000, 0x00000003 }, 5589 5590 { 0x2800, 0, 0x00000000, 0x00000001 }, 5591 { 0x2804, 0, 0x00000000, 0x00003f01 }, 5592 { 0x2808, 0, 0x0f3f3f03, 0x00000000 }, 5593 { 0x2810, 0, 0xffff0000, 0x00000000 }, 5594 { 0x2814, 0, 0xffff0000, 0x00000000 }, 5595 { 0x2818, 0, 0xffff0000, 0x00000000 }, 5596 { 0x281c, 0, 0xffff0000, 0x00000000 }, 5597 { 0x2834, 0, 0xffffffff, 0x00000000 }, 5598 { 0x2840, 0, 0x00000000, 0xffffffff }, 5599 { 0x2844, 0, 0x00000000, 0xffffffff }, 5600 { 0x2848, 0, 0xffffffff, 0x00000000 }, 5601 { 0x284c, 0, 0xf800f800, 0x07ff07ff }, 5602 5603 { 0x2c00, 0, 0x00000000, 0x00000011 }, 5604 { 0x2c04, 0, 0x00000000, 0x00030007 }, 5605 5606 { 0x3c00, 0, 0x00000000, 0x00000001 }, 5607 { 0x3c04, 0, 0x00000000, 0x00070000 }, 5608 { 0x3c08, 0, 0x00007f71, 0x07f00000 }, 5609 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 }, 5610 { 0x3c10, 0, 0xffffffff, 0x00000000 }, 5611 { 0x3c14, 0, 0x00000000, 0xffffffff }, 5612 { 0x3c18, 0, 0x00000000, 0xffffffff }, 5613 { 0x3c1c, 0, 0xfffff000, 0x00000000 }, 5614 { 0x3c20, 0, 0xffffff00, 0x00000000 }, 5615 5616 { 0x5004, 0, 0x00000000, 0x0000007f }, 5617 { 0x5008, 0, 0x0f0007ff, 0x00000000 }, 5618 5619 { 0x5c00, 0, 0x00000000, 0x00000001 }, 5620 { 0x5c04, 0, 0x00000000, 0x0003000f }, 5621 { 0x5c08, 0, 0x00000003, 0x00000000 }, 5622 { 0x5c0c, 0, 0x0000fff8, 0x00000000 }, 5623 { 0x5c10, 0, 0x00000000, 0xffffffff }, 5624 { 0x5c80, 0, 0x00000000, 0x0f7113f1 }, 5625 { 0x5c84, 0, 0x00000000, 0x0000f333 }, 5626 { 0x5c88, 0, 0x00000000, 0x00077373 }, 5627 { 0x5c8c, 0, 0x00000000, 0x0007f737 }, 5628 5629 { 0x6808, 0, 0x0000ff7f, 0x00000000 }, 5630 { 0x680c, 0, 0xffffffff, 0x00000000 }, 5631 { 0x6810, 0, 0xffffffff, 0x00000000 }, 5632 { 0x6814, 0, 0xffffffff, 0x00000000 }, 5633 { 0x6818, 0, 0xffffffff, 0x00000000 }, 5634 { 0x681c, 0, 0xffffffff, 0x00000000 }, 5635 { 0x6820, 0, 0x00ff00ff, 0x00000000 }, 5636 { 0x6824, 0, 0x00ff00ff, 0x00000000 }, 5637 { 0x6828, 0, 0x00ff00ff, 0x00000000 }, 5638 { 0x682c, 0, 0x03ff03ff, 0x00000000 }, 5639 { 0x6830, 0, 0x03ff03ff, 0x00000000 }, 5640 { 0x6834, 0, 0x03ff03ff, 0x00000000 }, 5641 { 0x6838, 0, 0x03ff03ff, 0x00000000 }, 5642 { 0x683c, 0, 0x0000ffff, 0x00000000 }, 5643 { 0x6840, 0, 0x00000ff0, 0x00000000 }, 5644 { 0x6844, 0, 0x00ffff00, 0x00000000 }, 5645 { 0x684c, 0, 0xffffffff, 0x00000000 }, 5646 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 }, 5647 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 }, 5648 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 }, 5649 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 }, 5650 { 0x6908, 0, 0x00000000, 0x0001ff0f }, 5651 { 0x690c, 0, 0x00000000, 0x0ffe00f0 }, 5652 5653 { 0xffff, 0, 0x00000000, 0x00000000 }, 5654 }; 5655 5656 ret = 0; 5657 is_5709 = 0; 5658 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 5659 is_5709 = 1; 5660 5661 for (i = 0; reg_tbl[i].offset != 0xffff; i++) { 5662 u32 offset, rw_mask, ro_mask, save_val, val; 5663 u16 flags = reg_tbl[i].flags; 5664 5665 if (is_5709 && (flags & BNX2_FL_NOT_5709)) 5666 continue; 5667 5668 offset = (u32) reg_tbl[i].offset; 5669 rw_mask = reg_tbl[i].rw_mask; 5670 ro_mask = reg_tbl[i].ro_mask; 5671 5672 save_val = readl(bp->regview + offset); 5673 5674 writel(0, bp->regview + offset); 5675 5676 val = readl(bp->regview + offset); 5677 if ((val & rw_mask) != 0) { 5678 goto reg_test_err; 5679 } 5680 5681 if ((val & ro_mask) != (save_val & ro_mask)) { 5682 goto reg_test_err; 5683 } 5684 5685 writel(0xffffffff, bp->regview + offset); 5686 5687 val = readl(bp->regview + offset); 5688 if ((val & rw_mask) != rw_mask) { 5689 goto reg_test_err; 5690 } 5691 5692 if ((val & ro_mask) != (save_val & ro_mask)) { 5693 goto reg_test_err; 5694 } 5695 5696 writel(save_val, bp->regview + offset); 5697 continue; 5698 5699 reg_test_err: 5700 writel(save_val, bp->regview + offset); 5701 ret = -ENODEV; 5702 break; 5703 } 5704 return ret; 5705 } 5706 5707 static int 5708 bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size) 5709 { 5710 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555, 5711 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa }; 5712 int i; 5713 5714 for (i = 0; i < sizeof(test_pattern) / 4; i++) { 5715 u32 offset; 5716 5717 for (offset = 0; offset < size; offset += 4) { 5718 5719 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]); 5720 5721 if (bnx2_reg_rd_ind(bp, start + offset) != 5722 test_pattern[i]) { 5723 return -ENODEV; 5724 } 5725 } 5726 } 5727 return 0; 5728 } 5729 5730 static int 5731 bnx2_test_memory(struct bnx2 *bp) 5732 { 5733 int ret = 0; 5734 int i; 5735 static struct mem_entry { 5736 u32 offset; 5737 u32 len; 5738 } mem_tbl_5706[] = { 5739 { 0x60000, 0x4000 }, 5740 { 0xa0000, 0x3000 }, 5741 { 0xe0000, 0x4000 }, 5742 { 0x120000, 0x4000 }, 5743 { 0x1a0000, 0x4000 }, 5744 { 0x160000, 0x4000 }, 5745 { 0xffffffff, 0 }, 5746 }, 5747 mem_tbl_5709[] = { 5748 { 0x60000, 0x4000 }, 5749 { 0xa0000, 0x3000 }, 5750 { 0xe0000, 0x4000 }, 5751 { 0x120000, 0x4000 }, 5752 { 0x1a0000, 0x4000 }, 5753 { 0xffffffff, 0 }, 5754 }; 5755 struct mem_entry *mem_tbl; 5756 5757 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 5758 mem_tbl = mem_tbl_5709; 5759 else 5760 mem_tbl = mem_tbl_5706; 5761 5762 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) { 5763 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset, 5764 mem_tbl[i].len)) != 0) { 5765 return ret; 5766 } 5767 } 5768 5769 return ret; 5770 } 5771 5772 #define BNX2_MAC_LOOPBACK 0 5773 #define BNX2_PHY_LOOPBACK 1 5774 5775 static int 5776 bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) 5777 { 5778 unsigned int pkt_size, num_pkts, i; 5779 struct sk_buff *skb; 5780 u8 *data; 5781 unsigned char *packet; 5782 u16 rx_start_idx, rx_idx; 5783 dma_addr_t map; 5784 struct bnx2_tx_bd *txbd; 5785 struct bnx2_sw_bd *rx_buf; 5786 struct l2_fhdr *rx_hdr; 5787 int ret = -ENODEV; 5788 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi; 5789 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; 5790 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; 5791 5792 tx_napi = bnapi; 5793 5794 txr = &tx_napi->tx_ring; 5795 rxr = &bnapi->rx_ring; 5796 if (loopback_mode == BNX2_MAC_LOOPBACK) { 5797 bp->loopback = MAC_LOOPBACK; 5798 bnx2_set_mac_loopback(bp); 5799 } 5800 else if (loopback_mode == BNX2_PHY_LOOPBACK) { 5801 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 5802 return 0; 5803 5804 bp->loopback = PHY_LOOPBACK; 5805 bnx2_set_phy_loopback(bp); 5806 } 5807 else 5808 return -EINVAL; 5809 5810 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4); 5811 skb = netdev_alloc_skb(bp->dev, pkt_size); 5812 if (!skb) 5813 return -ENOMEM; 5814 packet = skb_put(skb, pkt_size); 5815 memcpy(packet, bp->dev->dev_addr, ETH_ALEN); 5816 memset(packet + ETH_ALEN, 0x0, 8); 5817 for (i = 14; i < pkt_size; i++) 5818 packet[i] = (unsigned char) (i & 0xff); 5819 5820 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size, 5821 PCI_DMA_TODEVICE); 5822 if (dma_mapping_error(&bp->pdev->dev, map)) { 5823 dev_kfree_skb(skb); 5824 return -EIO; 5825 } 5826 5827 BNX2_WR(bp, BNX2_HC_COMMAND, 5828 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 5829 5830 BNX2_RD(bp, BNX2_HC_COMMAND); 5831 5832 udelay(5); 5833 rx_start_idx = bnx2_get_hw_rx_cons(bnapi); 5834 5835 num_pkts = 0; 5836 5837 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)]; 5838 5839 txbd->tx_bd_haddr_hi = (u64) map >> 32; 5840 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff; 5841 txbd->tx_bd_mss_nbytes = pkt_size; 5842 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END; 5843 5844 num_pkts++; 5845 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod); 5846 txr->tx_prod_bseq += pkt_size; 5847 5848 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod); 5849 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); 5850 5851 udelay(100); 5852 5853 BNX2_WR(bp, BNX2_HC_COMMAND, 5854 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); 5855 5856 BNX2_RD(bp, BNX2_HC_COMMAND); 5857 5858 udelay(5); 5859 5860 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE); 5861 dev_kfree_skb(skb); 5862 5863 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod) 5864 goto loopback_test_done; 5865 5866 rx_idx = bnx2_get_hw_rx_cons(bnapi); 5867 if (rx_idx != rx_start_idx + num_pkts) { 5868 goto loopback_test_done; 5869 } 5870 5871 rx_buf = &rxr->rx_buf_ring[rx_start_idx]; 5872 data = rx_buf->data; 5873 5874 rx_hdr = get_l2_fhdr(data); 5875 data = (u8 *)rx_hdr + BNX2_RX_OFFSET; 5876 5877 dma_sync_single_for_cpu(&bp->pdev->dev, 5878 dma_unmap_addr(rx_buf, mapping), 5879 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE); 5880 5881 if (rx_hdr->l2_fhdr_status & 5882 (L2_FHDR_ERRORS_BAD_CRC | 5883 L2_FHDR_ERRORS_PHY_DECODE | 5884 L2_FHDR_ERRORS_ALIGNMENT | 5885 L2_FHDR_ERRORS_TOO_SHORT | 5886 L2_FHDR_ERRORS_GIANT_FRAME)) { 5887 5888 goto loopback_test_done; 5889 } 5890 5891 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) { 5892 goto loopback_test_done; 5893 } 5894 5895 for (i = 14; i < pkt_size; i++) { 5896 if (*(data + i) != (unsigned char) (i & 0xff)) { 5897 goto loopback_test_done; 5898 } 5899 } 5900 5901 ret = 0; 5902 5903 loopback_test_done: 5904 bp->loopback = 0; 5905 return ret; 5906 } 5907 5908 #define BNX2_MAC_LOOPBACK_FAILED 1 5909 #define BNX2_PHY_LOOPBACK_FAILED 2 5910 #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \ 5911 BNX2_PHY_LOOPBACK_FAILED) 5912 5913 static int 5914 bnx2_test_loopback(struct bnx2 *bp) 5915 { 5916 int rc = 0; 5917 5918 if (!netif_running(bp->dev)) 5919 return BNX2_LOOPBACK_FAILED; 5920 5921 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 5922 spin_lock_bh(&bp->phy_lock); 5923 bnx2_init_phy(bp, 1); 5924 spin_unlock_bh(&bp->phy_lock); 5925 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK)) 5926 rc |= BNX2_MAC_LOOPBACK_FAILED; 5927 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK)) 5928 rc |= BNX2_PHY_LOOPBACK_FAILED; 5929 return rc; 5930 } 5931 5932 #define NVRAM_SIZE 0x200 5933 #define CRC32_RESIDUAL 0xdebb20e3 5934 5935 static int 5936 bnx2_test_nvram(struct bnx2 *bp) 5937 { 5938 __be32 buf[NVRAM_SIZE / 4]; 5939 u8 *data = (u8 *) buf; 5940 int rc = 0; 5941 u32 magic, csum; 5942 5943 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0) 5944 goto test_nvram_done; 5945 5946 magic = be32_to_cpu(buf[0]); 5947 if (magic != 0x669955aa) { 5948 rc = -ENODEV; 5949 goto test_nvram_done; 5950 } 5951 5952 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0) 5953 goto test_nvram_done; 5954 5955 csum = ether_crc_le(0x100, data); 5956 if (csum != CRC32_RESIDUAL) { 5957 rc = -ENODEV; 5958 goto test_nvram_done; 5959 } 5960 5961 csum = ether_crc_le(0x100, data + 0x100); 5962 if (csum != CRC32_RESIDUAL) { 5963 rc = -ENODEV; 5964 } 5965 5966 test_nvram_done: 5967 return rc; 5968 } 5969 5970 static int 5971 bnx2_test_link(struct bnx2 *bp) 5972 { 5973 u32 bmsr; 5974 5975 if (!netif_running(bp->dev)) 5976 return -ENODEV; 5977 5978 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 5979 if (bp->link_up) 5980 return 0; 5981 return -ENODEV; 5982 } 5983 spin_lock_bh(&bp->phy_lock); 5984 bnx2_enable_bmsr1(bp); 5985 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 5986 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); 5987 bnx2_disable_bmsr1(bp); 5988 spin_unlock_bh(&bp->phy_lock); 5989 5990 if (bmsr & BMSR_LSTATUS) { 5991 return 0; 5992 } 5993 return -ENODEV; 5994 } 5995 5996 static int 5997 bnx2_test_intr(struct bnx2 *bp) 5998 { 5999 int i; 6000 u16 status_idx; 6001 6002 if (!netif_running(bp->dev)) 6003 return -ENODEV; 6004 6005 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff; 6006 6007 /* This register is not touched during run-time. */ 6008 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); 6009 BNX2_RD(bp, BNX2_HC_COMMAND); 6010 6011 for (i = 0; i < 10; i++) { 6012 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) != 6013 status_idx) { 6014 6015 break; 6016 } 6017 6018 msleep_interruptible(10); 6019 } 6020 if (i < 10) 6021 return 0; 6022 6023 return -ENODEV; 6024 } 6025 6026 /* Determining link for parallel detection. */ 6027 static int 6028 bnx2_5706_serdes_has_link(struct bnx2 *bp) 6029 { 6030 u32 mode_ctl, an_dbg, exp; 6031 6032 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL) 6033 return 0; 6034 6035 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL); 6036 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl); 6037 6038 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET)) 6039 return 0; 6040 6041 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); 6042 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 6043 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); 6044 6045 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID)) 6046 return 0; 6047 6048 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1); 6049 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); 6050 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); 6051 6052 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */ 6053 return 0; 6054 6055 return 1; 6056 } 6057 6058 static void 6059 bnx2_5706_serdes_timer(struct bnx2 *bp) 6060 { 6061 int check_link = 1; 6062 6063 spin_lock(&bp->phy_lock); 6064 if (bp->serdes_an_pending) { 6065 bp->serdes_an_pending--; 6066 check_link = 0; 6067 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { 6068 u32 bmcr; 6069 6070 bp->current_interval = BNX2_TIMER_INTERVAL; 6071 6072 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 6073 6074 if (bmcr & BMCR_ANENABLE) { 6075 if (bnx2_5706_serdes_has_link(bp)) { 6076 bmcr &= ~BMCR_ANENABLE; 6077 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX; 6078 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 6079 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT; 6080 } 6081 } 6082 } 6083 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) && 6084 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) { 6085 u32 phy2; 6086 6087 bnx2_write_phy(bp, 0x17, 0x0f01); 6088 bnx2_read_phy(bp, 0x15, &phy2); 6089 if (phy2 & 0x20) { 6090 u32 bmcr; 6091 6092 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 6093 bmcr |= BMCR_ANENABLE; 6094 bnx2_write_phy(bp, bp->mii_bmcr, bmcr); 6095 6096 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; 6097 } 6098 } else 6099 bp->current_interval = BNX2_TIMER_INTERVAL; 6100 6101 if (check_link) { 6102 u32 val; 6103 6104 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); 6105 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); 6106 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); 6107 6108 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) { 6109 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) { 6110 bnx2_5706s_force_link_dn(bp, 1); 6111 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN; 6112 } else 6113 bnx2_set_link(bp); 6114 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC)) 6115 bnx2_set_link(bp); 6116 } 6117 spin_unlock(&bp->phy_lock); 6118 } 6119 6120 static void 6121 bnx2_5708_serdes_timer(struct bnx2 *bp) 6122 { 6123 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 6124 return; 6125 6126 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) { 6127 bp->serdes_an_pending = 0; 6128 return; 6129 } 6130 6131 spin_lock(&bp->phy_lock); 6132 if (bp->serdes_an_pending) 6133 bp->serdes_an_pending--; 6134 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { 6135 u32 bmcr; 6136 6137 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 6138 if (bmcr & BMCR_ANENABLE) { 6139 bnx2_enable_forced_2g5(bp); 6140 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT; 6141 } else { 6142 bnx2_disable_forced_2g5(bp); 6143 bp->serdes_an_pending = 2; 6144 bp->current_interval = BNX2_TIMER_INTERVAL; 6145 } 6146 6147 } else 6148 bp->current_interval = BNX2_TIMER_INTERVAL; 6149 6150 spin_unlock(&bp->phy_lock); 6151 } 6152 6153 static void 6154 bnx2_timer(unsigned long data) 6155 { 6156 struct bnx2 *bp = (struct bnx2 *) data; 6157 6158 if (!netif_running(bp->dev)) 6159 return; 6160 6161 if (atomic_read(&bp->intr_sem) != 0) 6162 goto bnx2_restart_timer; 6163 6164 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) == 6165 BNX2_FLAG_USING_MSI) 6166 bnx2_chk_missed_msi(bp); 6167 6168 bnx2_send_heart_beat(bp); 6169 6170 bp->stats_blk->stat_FwRxDrop = 6171 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT); 6172 6173 /* workaround occasional corrupted counters */ 6174 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks) 6175 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | 6176 BNX2_HC_COMMAND_STATS_NOW); 6177 6178 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 6179 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) 6180 bnx2_5706_serdes_timer(bp); 6181 else 6182 bnx2_5708_serdes_timer(bp); 6183 } 6184 6185 bnx2_restart_timer: 6186 mod_timer(&bp->timer, jiffies + bp->current_interval); 6187 } 6188 6189 static int 6190 bnx2_request_irq(struct bnx2 *bp) 6191 { 6192 unsigned long flags; 6193 struct bnx2_irq *irq; 6194 int rc = 0, i; 6195 6196 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX) 6197 flags = 0; 6198 else 6199 flags = IRQF_SHARED; 6200 6201 for (i = 0; i < bp->irq_nvecs; i++) { 6202 irq = &bp->irq_tbl[i]; 6203 rc = request_irq(irq->vector, irq->handler, flags, irq->name, 6204 &bp->bnx2_napi[i]); 6205 if (rc) 6206 break; 6207 irq->requested = 1; 6208 } 6209 return rc; 6210 } 6211 6212 static void 6213 __bnx2_free_irq(struct bnx2 *bp) 6214 { 6215 struct bnx2_irq *irq; 6216 int i; 6217 6218 for (i = 0; i < bp->irq_nvecs; i++) { 6219 irq = &bp->irq_tbl[i]; 6220 if (irq->requested) 6221 free_irq(irq->vector, &bp->bnx2_napi[i]); 6222 irq->requested = 0; 6223 } 6224 } 6225 6226 static void 6227 bnx2_free_irq(struct bnx2 *bp) 6228 { 6229 6230 __bnx2_free_irq(bp); 6231 if (bp->flags & BNX2_FLAG_USING_MSI) 6232 pci_disable_msi(bp->pdev); 6233 else if (bp->flags & BNX2_FLAG_USING_MSIX) 6234 pci_disable_msix(bp->pdev); 6235 6236 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI); 6237 } 6238 6239 static void 6240 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs) 6241 { 6242 int i, total_vecs; 6243 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC]; 6244 struct net_device *dev = bp->dev; 6245 const int len = sizeof(bp->irq_tbl[0].name); 6246 6247 bnx2_setup_msix_tbl(bp); 6248 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1); 6249 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE); 6250 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE); 6251 6252 /* Need to flush the previous three writes to ensure MSI-X 6253 * is setup properly */ 6254 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL); 6255 6256 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { 6257 msix_ent[i].entry = i; 6258 msix_ent[i].vector = 0; 6259 } 6260 6261 total_vecs = msix_vecs; 6262 #ifdef BCM_CNIC 6263 total_vecs++; 6264 #endif 6265 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, 6266 BNX2_MIN_MSIX_VEC, total_vecs); 6267 if (total_vecs < 0) 6268 return; 6269 6270 msix_vecs = total_vecs; 6271 #ifdef BCM_CNIC 6272 msix_vecs--; 6273 #endif 6274 bp->irq_nvecs = msix_vecs; 6275 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI; 6276 for (i = 0; i < total_vecs; i++) { 6277 bp->irq_tbl[i].vector = msix_ent[i].vector; 6278 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i); 6279 bp->irq_tbl[i].handler = bnx2_msi_1shot; 6280 } 6281 } 6282 6283 static int 6284 bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi) 6285 { 6286 int cpus = netif_get_num_default_rss_queues(); 6287 int msix_vecs; 6288 6289 if (!bp->num_req_rx_rings) 6290 msix_vecs = max(cpus + 1, bp->num_req_tx_rings); 6291 else if (!bp->num_req_tx_rings) 6292 msix_vecs = max(cpus, bp->num_req_rx_rings); 6293 else 6294 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings); 6295 6296 msix_vecs = min(msix_vecs, RX_MAX_RINGS); 6297 6298 bp->irq_tbl[0].handler = bnx2_interrupt; 6299 strcpy(bp->irq_tbl[0].name, bp->dev->name); 6300 bp->irq_nvecs = 1; 6301 bp->irq_tbl[0].vector = bp->pdev->irq; 6302 6303 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi) 6304 bnx2_enable_msix(bp, msix_vecs); 6305 6306 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi && 6307 !(bp->flags & BNX2_FLAG_USING_MSIX)) { 6308 if (pci_enable_msi(bp->pdev) == 0) { 6309 bp->flags |= BNX2_FLAG_USING_MSI; 6310 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 6311 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI; 6312 bp->irq_tbl[0].handler = bnx2_msi_1shot; 6313 } else 6314 bp->irq_tbl[0].handler = bnx2_msi; 6315 6316 bp->irq_tbl[0].vector = bp->pdev->irq; 6317 } 6318 } 6319 6320 if (!bp->num_req_tx_rings) 6321 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs); 6322 else 6323 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings); 6324 6325 if (!bp->num_req_rx_rings) 6326 bp->num_rx_rings = bp->irq_nvecs; 6327 else 6328 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings); 6329 6330 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings); 6331 6332 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings); 6333 } 6334 6335 /* Called with rtnl_lock */ 6336 static int 6337 bnx2_open(struct net_device *dev) 6338 { 6339 struct bnx2 *bp = netdev_priv(dev); 6340 int rc; 6341 6342 rc = bnx2_request_firmware(bp); 6343 if (rc < 0) 6344 goto out; 6345 6346 netif_carrier_off(dev); 6347 6348 bnx2_disable_int(bp); 6349 6350 rc = bnx2_setup_int_mode(bp, disable_msi); 6351 if (rc) 6352 goto open_err; 6353 bnx2_init_napi(bp); 6354 bnx2_napi_enable(bp); 6355 rc = bnx2_alloc_mem(bp); 6356 if (rc) 6357 goto open_err; 6358 6359 rc = bnx2_request_irq(bp); 6360 if (rc) 6361 goto open_err; 6362 6363 rc = bnx2_init_nic(bp, 1); 6364 if (rc) 6365 goto open_err; 6366 6367 mod_timer(&bp->timer, jiffies + bp->current_interval); 6368 6369 atomic_set(&bp->intr_sem, 0); 6370 6371 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block)); 6372 6373 bnx2_enable_int(bp); 6374 6375 if (bp->flags & BNX2_FLAG_USING_MSI) { 6376 /* Test MSI to make sure it is working 6377 * If MSI test fails, go back to INTx mode 6378 */ 6379 if (bnx2_test_intr(bp) != 0) { 6380 netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n"); 6381 6382 bnx2_disable_int(bp); 6383 bnx2_free_irq(bp); 6384 6385 bnx2_setup_int_mode(bp, 1); 6386 6387 rc = bnx2_init_nic(bp, 0); 6388 6389 if (!rc) 6390 rc = bnx2_request_irq(bp); 6391 6392 if (rc) { 6393 del_timer_sync(&bp->timer); 6394 goto open_err; 6395 } 6396 bnx2_enable_int(bp); 6397 } 6398 } 6399 if (bp->flags & BNX2_FLAG_USING_MSI) 6400 netdev_info(dev, "using MSI\n"); 6401 else if (bp->flags & BNX2_FLAG_USING_MSIX) 6402 netdev_info(dev, "using MSIX\n"); 6403 6404 netif_tx_start_all_queues(dev); 6405 out: 6406 return rc; 6407 6408 open_err: 6409 bnx2_napi_disable(bp); 6410 bnx2_free_skbs(bp); 6411 bnx2_free_irq(bp); 6412 bnx2_free_mem(bp); 6413 bnx2_del_napi(bp); 6414 bnx2_release_firmware(bp); 6415 goto out; 6416 } 6417 6418 static void 6419 bnx2_reset_task(struct work_struct *work) 6420 { 6421 struct bnx2 *bp = container_of(work, struct bnx2, reset_task); 6422 int rc; 6423 u16 pcicmd; 6424 6425 rtnl_lock(); 6426 if (!netif_running(bp->dev)) { 6427 rtnl_unlock(); 6428 return; 6429 } 6430 6431 bnx2_netif_stop(bp, true); 6432 6433 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd); 6434 if (!(pcicmd & PCI_COMMAND_MEMORY)) { 6435 /* in case PCI block has reset */ 6436 pci_restore_state(bp->pdev); 6437 pci_save_state(bp->pdev); 6438 } 6439 rc = bnx2_init_nic(bp, 1); 6440 if (rc) { 6441 netdev_err(bp->dev, "failed to reset NIC, closing\n"); 6442 bnx2_napi_enable(bp); 6443 dev_close(bp->dev); 6444 rtnl_unlock(); 6445 return; 6446 } 6447 6448 atomic_set(&bp->intr_sem, 1); 6449 bnx2_netif_start(bp, true); 6450 rtnl_unlock(); 6451 } 6452 6453 #define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL } 6454 6455 static void 6456 bnx2_dump_ftq(struct bnx2 *bp) 6457 { 6458 int i; 6459 u32 reg, bdidx, cid, valid; 6460 struct net_device *dev = bp->dev; 6461 static const struct ftq_reg { 6462 char *name; 6463 u32 off; 6464 } ftq_arr[] = { 6465 BNX2_FTQ_ENTRY(RV2P_P), 6466 BNX2_FTQ_ENTRY(RV2P_T), 6467 BNX2_FTQ_ENTRY(RV2P_M), 6468 BNX2_FTQ_ENTRY(TBDR_), 6469 BNX2_FTQ_ENTRY(TDMA_), 6470 BNX2_FTQ_ENTRY(TXP_), 6471 BNX2_FTQ_ENTRY(TXP_), 6472 BNX2_FTQ_ENTRY(TPAT_), 6473 BNX2_FTQ_ENTRY(RXP_C), 6474 BNX2_FTQ_ENTRY(RXP_), 6475 BNX2_FTQ_ENTRY(COM_COMXQ_), 6476 BNX2_FTQ_ENTRY(COM_COMTQ_), 6477 BNX2_FTQ_ENTRY(COM_COMQ_), 6478 BNX2_FTQ_ENTRY(CP_CPQ_), 6479 }; 6480 6481 netdev_err(dev, "<--- start FTQ dump --->\n"); 6482 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++) 6483 netdev_err(dev, "%s %08x\n", ftq_arr[i].name, 6484 bnx2_reg_rd_ind(bp, ftq_arr[i].off)); 6485 6486 netdev_err(dev, "CPU states:\n"); 6487 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000) 6488 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n", 6489 reg, bnx2_reg_rd_ind(bp, reg), 6490 bnx2_reg_rd_ind(bp, reg + 4), 6491 bnx2_reg_rd_ind(bp, reg + 8), 6492 bnx2_reg_rd_ind(bp, reg + 0x1c), 6493 bnx2_reg_rd_ind(bp, reg + 0x1c), 6494 bnx2_reg_rd_ind(bp, reg + 0x20)); 6495 6496 netdev_err(dev, "<--- end FTQ dump --->\n"); 6497 netdev_err(dev, "<--- start TBDC dump --->\n"); 6498 netdev_err(dev, "TBDC free cnt: %ld\n", 6499 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT); 6500 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n"); 6501 for (i = 0; i < 0x20; i++) { 6502 int j = 0; 6503 6504 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i); 6505 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE, 6506 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ); 6507 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB); 6508 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) & 6509 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100) 6510 j++; 6511 6512 cid = BNX2_RD(bp, BNX2_TBDC_CID); 6513 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX); 6514 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE); 6515 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n", 6516 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX, 6517 bdidx >> 24, (valid >> 8) & 0x0ff); 6518 } 6519 netdev_err(dev, "<--- end TBDC dump --->\n"); 6520 } 6521 6522 static void 6523 bnx2_dump_state(struct bnx2 *bp) 6524 { 6525 struct net_device *dev = bp->dev; 6526 u32 val1, val2; 6527 6528 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1); 6529 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n", 6530 atomic_read(&bp->intr_sem), val1); 6531 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1); 6532 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2); 6533 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2); 6534 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n", 6535 BNX2_RD(bp, BNX2_EMAC_TX_STATUS), 6536 BNX2_RD(bp, BNX2_EMAC_RX_STATUS)); 6537 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n", 6538 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL)); 6539 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n", 6540 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS)); 6541 if (bp->flags & BNX2_FLAG_USING_MSIX) 6542 netdev_err(dev, "DEBUG: PBA[%08x]\n", 6543 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE)); 6544 } 6545 6546 static void 6547 bnx2_tx_timeout(struct net_device *dev) 6548 { 6549 struct bnx2 *bp = netdev_priv(dev); 6550 6551 bnx2_dump_ftq(bp); 6552 bnx2_dump_state(bp); 6553 bnx2_dump_mcp_state(bp); 6554 6555 /* This allows the netif to be shutdown gracefully before resetting */ 6556 schedule_work(&bp->reset_task); 6557 } 6558 6559 /* Called with netif_tx_lock. 6560 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call 6561 * netif_wake_queue(). 6562 */ 6563 static netdev_tx_t 6564 bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) 6565 { 6566 struct bnx2 *bp = netdev_priv(dev); 6567 dma_addr_t mapping; 6568 struct bnx2_tx_bd *txbd; 6569 struct bnx2_sw_tx_bd *tx_buf; 6570 u32 len, vlan_tag_flags, last_frag, mss; 6571 u16 prod, ring_prod; 6572 int i; 6573 struct bnx2_napi *bnapi; 6574 struct bnx2_tx_ring_info *txr; 6575 struct netdev_queue *txq; 6576 6577 /* Determine which tx ring we will be placed on */ 6578 i = skb_get_queue_mapping(skb); 6579 bnapi = &bp->bnx2_napi[i]; 6580 txr = &bnapi->tx_ring; 6581 txq = netdev_get_tx_queue(dev, i); 6582 6583 if (unlikely(bnx2_tx_avail(bp, txr) < 6584 (skb_shinfo(skb)->nr_frags + 1))) { 6585 netif_tx_stop_queue(txq); 6586 netdev_err(dev, "BUG! Tx ring full when queue awake!\n"); 6587 6588 return NETDEV_TX_BUSY; 6589 } 6590 len = skb_headlen(skb); 6591 prod = txr->tx_prod; 6592 ring_prod = BNX2_TX_RING_IDX(prod); 6593 6594 vlan_tag_flags = 0; 6595 if (skb->ip_summed == CHECKSUM_PARTIAL) { 6596 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; 6597 } 6598 6599 if (vlan_tx_tag_present(skb)) { 6600 vlan_tag_flags |= 6601 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16)); 6602 } 6603 6604 if ((mss = skb_shinfo(skb)->gso_size)) { 6605 u32 tcp_opt_len; 6606 struct iphdr *iph; 6607 6608 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO; 6609 6610 tcp_opt_len = tcp_optlen(skb); 6611 6612 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { 6613 u32 tcp_off = skb_transport_offset(skb) - 6614 sizeof(struct ipv6hdr) - ETH_HLEN; 6615 6616 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) | 6617 TX_BD_FLAGS_SW_FLAGS; 6618 if (likely(tcp_off == 0)) 6619 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK; 6620 else { 6621 tcp_off >>= 3; 6622 vlan_tag_flags |= ((tcp_off & 0x3) << 6623 TX_BD_FLAGS_TCP6_OFF0_SHL) | 6624 ((tcp_off & 0x10) << 6625 TX_BD_FLAGS_TCP6_OFF4_SHL); 6626 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL; 6627 } 6628 } else { 6629 iph = ip_hdr(skb); 6630 if (tcp_opt_len || (iph->ihl > 5)) { 6631 vlan_tag_flags |= ((iph->ihl - 5) + 6632 (tcp_opt_len >> 2)) << 8; 6633 } 6634 } 6635 } else 6636 mss = 0; 6637 6638 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE); 6639 if (dma_mapping_error(&bp->pdev->dev, mapping)) { 6640 dev_kfree_skb_any(skb); 6641 return NETDEV_TX_OK; 6642 } 6643 6644 tx_buf = &txr->tx_buf_ring[ring_prod]; 6645 tx_buf->skb = skb; 6646 dma_unmap_addr_set(tx_buf, mapping, mapping); 6647 6648 txbd = &txr->tx_desc_ring[ring_prod]; 6649 6650 txbd->tx_bd_haddr_hi = (u64) mapping >> 32; 6651 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; 6652 txbd->tx_bd_mss_nbytes = len | (mss << 16); 6653 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START; 6654 6655 last_frag = skb_shinfo(skb)->nr_frags; 6656 tx_buf->nr_frags = last_frag; 6657 tx_buf->is_gso = skb_is_gso(skb); 6658 6659 for (i = 0; i < last_frag; i++) { 6660 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; 6661 6662 prod = BNX2_NEXT_TX_BD(prod); 6663 ring_prod = BNX2_TX_RING_IDX(prod); 6664 txbd = &txr->tx_desc_ring[ring_prod]; 6665 6666 len = skb_frag_size(frag); 6667 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len, 6668 DMA_TO_DEVICE); 6669 if (dma_mapping_error(&bp->pdev->dev, mapping)) 6670 goto dma_error; 6671 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping, 6672 mapping); 6673 6674 txbd->tx_bd_haddr_hi = (u64) mapping >> 32; 6675 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; 6676 txbd->tx_bd_mss_nbytes = len | (mss << 16); 6677 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags; 6678 6679 } 6680 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END; 6681 6682 /* Sync BD data before updating TX mailbox */ 6683 wmb(); 6684 6685 netdev_tx_sent_queue(txq, skb->len); 6686 6687 prod = BNX2_NEXT_TX_BD(prod); 6688 txr->tx_prod_bseq += skb->len; 6689 6690 BNX2_WR16(bp, txr->tx_bidx_addr, prod); 6691 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); 6692 6693 mmiowb(); 6694 6695 txr->tx_prod = prod; 6696 6697 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) { 6698 netif_tx_stop_queue(txq); 6699 6700 /* netif_tx_stop_queue() must be done before checking 6701 * tx index in bnx2_tx_avail() below, because in 6702 * bnx2_tx_int(), we update tx index before checking for 6703 * netif_tx_queue_stopped(). 6704 */ 6705 smp_mb(); 6706 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh) 6707 netif_tx_wake_queue(txq); 6708 } 6709 6710 return NETDEV_TX_OK; 6711 dma_error: 6712 /* save value of frag that failed */ 6713 last_frag = i; 6714 6715 /* start back at beginning and unmap skb */ 6716 prod = txr->tx_prod; 6717 ring_prod = BNX2_TX_RING_IDX(prod); 6718 tx_buf = &txr->tx_buf_ring[ring_prod]; 6719 tx_buf->skb = NULL; 6720 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), 6721 skb_headlen(skb), PCI_DMA_TODEVICE); 6722 6723 /* unmap remaining mapped pages */ 6724 for (i = 0; i < last_frag; i++) { 6725 prod = BNX2_NEXT_TX_BD(prod); 6726 ring_prod = BNX2_TX_RING_IDX(prod); 6727 tx_buf = &txr->tx_buf_ring[ring_prod]; 6728 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), 6729 skb_frag_size(&skb_shinfo(skb)->frags[i]), 6730 PCI_DMA_TODEVICE); 6731 } 6732 6733 dev_kfree_skb_any(skb); 6734 return NETDEV_TX_OK; 6735 } 6736 6737 /* Called with rtnl_lock */ 6738 static int 6739 bnx2_close(struct net_device *dev) 6740 { 6741 struct bnx2 *bp = netdev_priv(dev); 6742 6743 bnx2_disable_int_sync(bp); 6744 bnx2_napi_disable(bp); 6745 netif_tx_disable(dev); 6746 del_timer_sync(&bp->timer); 6747 bnx2_shutdown_chip(bp); 6748 bnx2_free_irq(bp); 6749 bnx2_free_skbs(bp); 6750 bnx2_free_mem(bp); 6751 bnx2_del_napi(bp); 6752 bp->link_up = 0; 6753 netif_carrier_off(bp->dev); 6754 return 0; 6755 } 6756 6757 static void 6758 bnx2_save_stats(struct bnx2 *bp) 6759 { 6760 u32 *hw_stats = (u32 *) bp->stats_blk; 6761 u32 *temp_stats = (u32 *) bp->temp_stats_blk; 6762 int i; 6763 6764 /* The 1st 10 counters are 64-bit counters */ 6765 for (i = 0; i < 20; i += 2) { 6766 u32 hi; 6767 u64 lo; 6768 6769 hi = temp_stats[i] + hw_stats[i]; 6770 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1]; 6771 if (lo > 0xffffffff) 6772 hi++; 6773 temp_stats[i] = hi; 6774 temp_stats[i + 1] = lo & 0xffffffff; 6775 } 6776 6777 for ( ; i < sizeof(struct statistics_block) / 4; i++) 6778 temp_stats[i] += hw_stats[i]; 6779 } 6780 6781 #define GET_64BIT_NET_STATS64(ctr) \ 6782 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo)) 6783 6784 #define GET_64BIT_NET_STATS(ctr) \ 6785 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \ 6786 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr) 6787 6788 #define GET_32BIT_NET_STATS(ctr) \ 6789 (unsigned long) (bp->stats_blk->ctr + \ 6790 bp->temp_stats_blk->ctr) 6791 6792 static struct rtnl_link_stats64 * 6793 bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats) 6794 { 6795 struct bnx2 *bp = netdev_priv(dev); 6796 6797 if (bp->stats_blk == NULL) 6798 return net_stats; 6799 6800 net_stats->rx_packets = 6801 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) + 6802 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) + 6803 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts); 6804 6805 net_stats->tx_packets = 6806 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) + 6807 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) + 6808 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts); 6809 6810 net_stats->rx_bytes = 6811 GET_64BIT_NET_STATS(stat_IfHCInOctets); 6812 6813 net_stats->tx_bytes = 6814 GET_64BIT_NET_STATS(stat_IfHCOutOctets); 6815 6816 net_stats->multicast = 6817 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts); 6818 6819 net_stats->collisions = 6820 GET_32BIT_NET_STATS(stat_EtherStatsCollisions); 6821 6822 net_stats->rx_length_errors = 6823 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) + 6824 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts); 6825 6826 net_stats->rx_over_errors = 6827 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) + 6828 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards); 6829 6830 net_stats->rx_frame_errors = 6831 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors); 6832 6833 net_stats->rx_crc_errors = 6834 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors); 6835 6836 net_stats->rx_errors = net_stats->rx_length_errors + 6837 net_stats->rx_over_errors + net_stats->rx_frame_errors + 6838 net_stats->rx_crc_errors; 6839 6840 net_stats->tx_aborted_errors = 6841 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) + 6842 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions); 6843 6844 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) || 6845 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0)) 6846 net_stats->tx_carrier_errors = 0; 6847 else { 6848 net_stats->tx_carrier_errors = 6849 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors); 6850 } 6851 6852 net_stats->tx_errors = 6853 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) + 6854 net_stats->tx_aborted_errors + 6855 net_stats->tx_carrier_errors; 6856 6857 net_stats->rx_missed_errors = 6858 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) + 6859 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) + 6860 GET_32BIT_NET_STATS(stat_FwRxDrop); 6861 6862 return net_stats; 6863 } 6864 6865 /* All ethtool functions called with rtnl_lock */ 6866 6867 static int 6868 bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6869 { 6870 struct bnx2 *bp = netdev_priv(dev); 6871 int support_serdes = 0, support_copper = 0; 6872 6873 cmd->supported = SUPPORTED_Autoneg; 6874 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 6875 support_serdes = 1; 6876 support_copper = 1; 6877 } else if (bp->phy_port == PORT_FIBRE) 6878 support_serdes = 1; 6879 else 6880 support_copper = 1; 6881 6882 if (support_serdes) { 6883 cmd->supported |= SUPPORTED_1000baseT_Full | 6884 SUPPORTED_FIBRE; 6885 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) 6886 cmd->supported |= SUPPORTED_2500baseX_Full; 6887 6888 } 6889 if (support_copper) { 6890 cmd->supported |= SUPPORTED_10baseT_Half | 6891 SUPPORTED_10baseT_Full | 6892 SUPPORTED_100baseT_Half | 6893 SUPPORTED_100baseT_Full | 6894 SUPPORTED_1000baseT_Full | 6895 SUPPORTED_TP; 6896 6897 } 6898 6899 spin_lock_bh(&bp->phy_lock); 6900 cmd->port = bp->phy_port; 6901 cmd->advertising = bp->advertising; 6902 6903 if (bp->autoneg & AUTONEG_SPEED) { 6904 cmd->autoneg = AUTONEG_ENABLE; 6905 } else { 6906 cmd->autoneg = AUTONEG_DISABLE; 6907 } 6908 6909 if (netif_carrier_ok(dev)) { 6910 ethtool_cmd_speed_set(cmd, bp->line_speed); 6911 cmd->duplex = bp->duplex; 6912 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) { 6913 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX) 6914 cmd->eth_tp_mdix = ETH_TP_MDI_X; 6915 else 6916 cmd->eth_tp_mdix = ETH_TP_MDI; 6917 } 6918 } 6919 else { 6920 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 6921 cmd->duplex = DUPLEX_UNKNOWN; 6922 } 6923 spin_unlock_bh(&bp->phy_lock); 6924 6925 cmd->transceiver = XCVR_INTERNAL; 6926 cmd->phy_address = bp->phy_addr; 6927 6928 return 0; 6929 } 6930 6931 static int 6932 bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6933 { 6934 struct bnx2 *bp = netdev_priv(dev); 6935 u8 autoneg = bp->autoneg; 6936 u8 req_duplex = bp->req_duplex; 6937 u16 req_line_speed = bp->req_line_speed; 6938 u32 advertising = bp->advertising; 6939 int err = -EINVAL; 6940 6941 spin_lock_bh(&bp->phy_lock); 6942 6943 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE) 6944 goto err_out_unlock; 6945 6946 if (cmd->port != bp->phy_port && 6947 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)) 6948 goto err_out_unlock; 6949 6950 /* If device is down, we can store the settings only if the user 6951 * is setting the currently active port. 6952 */ 6953 if (!netif_running(dev) && cmd->port != bp->phy_port) 6954 goto err_out_unlock; 6955 6956 if (cmd->autoneg == AUTONEG_ENABLE) { 6957 autoneg |= AUTONEG_SPEED; 6958 6959 advertising = cmd->advertising; 6960 if (cmd->port == PORT_TP) { 6961 advertising &= ETHTOOL_ALL_COPPER_SPEED; 6962 if (!advertising) 6963 advertising = ETHTOOL_ALL_COPPER_SPEED; 6964 } else { 6965 advertising &= ETHTOOL_ALL_FIBRE_SPEED; 6966 if (!advertising) 6967 advertising = ETHTOOL_ALL_FIBRE_SPEED; 6968 } 6969 advertising |= ADVERTISED_Autoneg; 6970 } 6971 else { 6972 u32 speed = ethtool_cmd_speed(cmd); 6973 if (cmd->port == PORT_FIBRE) { 6974 if ((speed != SPEED_1000 && 6975 speed != SPEED_2500) || 6976 (cmd->duplex != DUPLEX_FULL)) 6977 goto err_out_unlock; 6978 6979 if (speed == SPEED_2500 && 6980 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) 6981 goto err_out_unlock; 6982 } else if (speed == SPEED_1000 || speed == SPEED_2500) 6983 goto err_out_unlock; 6984 6985 autoneg &= ~AUTONEG_SPEED; 6986 req_line_speed = speed; 6987 req_duplex = cmd->duplex; 6988 advertising = 0; 6989 } 6990 6991 bp->autoneg = autoneg; 6992 bp->advertising = advertising; 6993 bp->req_line_speed = req_line_speed; 6994 bp->req_duplex = req_duplex; 6995 6996 err = 0; 6997 /* If device is down, the new settings will be picked up when it is 6998 * brought up. 6999 */ 7000 if (netif_running(dev)) 7001 err = bnx2_setup_phy(bp, cmd->port); 7002 7003 err_out_unlock: 7004 spin_unlock_bh(&bp->phy_lock); 7005 7006 return err; 7007 } 7008 7009 static void 7010 bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 7011 { 7012 struct bnx2 *bp = netdev_priv(dev); 7013 7014 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 7015 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 7016 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 7017 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version)); 7018 } 7019 7020 #define BNX2_REGDUMP_LEN (32 * 1024) 7021 7022 static int 7023 bnx2_get_regs_len(struct net_device *dev) 7024 { 7025 return BNX2_REGDUMP_LEN; 7026 } 7027 7028 static void 7029 bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p) 7030 { 7031 u32 *p = _p, i, offset; 7032 u8 *orig_p = _p; 7033 struct bnx2 *bp = netdev_priv(dev); 7034 static const u32 reg_boundaries[] = { 7035 0x0000, 0x0098, 0x0400, 0x045c, 7036 0x0800, 0x0880, 0x0c00, 0x0c10, 7037 0x0c30, 0x0d08, 0x1000, 0x101c, 7038 0x1040, 0x1048, 0x1080, 0x10a4, 7039 0x1400, 0x1490, 0x1498, 0x14f0, 7040 0x1500, 0x155c, 0x1580, 0x15dc, 7041 0x1600, 0x1658, 0x1680, 0x16d8, 7042 0x1800, 0x1820, 0x1840, 0x1854, 7043 0x1880, 0x1894, 0x1900, 0x1984, 7044 0x1c00, 0x1c0c, 0x1c40, 0x1c54, 7045 0x1c80, 0x1c94, 0x1d00, 0x1d84, 7046 0x2000, 0x2030, 0x23c0, 0x2400, 7047 0x2800, 0x2820, 0x2830, 0x2850, 7048 0x2b40, 0x2c10, 0x2fc0, 0x3058, 7049 0x3c00, 0x3c94, 0x4000, 0x4010, 7050 0x4080, 0x4090, 0x43c0, 0x4458, 7051 0x4c00, 0x4c18, 0x4c40, 0x4c54, 7052 0x4fc0, 0x5010, 0x53c0, 0x5444, 7053 0x5c00, 0x5c18, 0x5c80, 0x5c90, 7054 0x5fc0, 0x6000, 0x6400, 0x6428, 7055 0x6800, 0x6848, 0x684c, 0x6860, 7056 0x6888, 0x6910, 0x8000 7057 }; 7058 7059 regs->version = 0; 7060 7061 memset(p, 0, BNX2_REGDUMP_LEN); 7062 7063 if (!netif_running(bp->dev)) 7064 return; 7065 7066 i = 0; 7067 offset = reg_boundaries[0]; 7068 p += offset; 7069 while (offset < BNX2_REGDUMP_LEN) { 7070 *p++ = BNX2_RD(bp, offset); 7071 offset += 4; 7072 if (offset == reg_boundaries[i + 1]) { 7073 offset = reg_boundaries[i + 2]; 7074 p = (u32 *) (orig_p + offset); 7075 i += 2; 7076 } 7077 } 7078 } 7079 7080 static void 7081 bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 7082 { 7083 struct bnx2 *bp = netdev_priv(dev); 7084 7085 if (bp->flags & BNX2_FLAG_NO_WOL) { 7086 wol->supported = 0; 7087 wol->wolopts = 0; 7088 } 7089 else { 7090 wol->supported = WAKE_MAGIC; 7091 if (bp->wol) 7092 wol->wolopts = WAKE_MAGIC; 7093 else 7094 wol->wolopts = 0; 7095 } 7096 memset(&wol->sopass, 0, sizeof(wol->sopass)); 7097 } 7098 7099 static int 7100 bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 7101 { 7102 struct bnx2 *bp = netdev_priv(dev); 7103 7104 if (wol->wolopts & ~WAKE_MAGIC) 7105 return -EINVAL; 7106 7107 if (wol->wolopts & WAKE_MAGIC) { 7108 if (bp->flags & BNX2_FLAG_NO_WOL) 7109 return -EINVAL; 7110 7111 bp->wol = 1; 7112 } 7113 else { 7114 bp->wol = 0; 7115 } 7116 7117 device_set_wakeup_enable(&bp->pdev->dev, bp->wol); 7118 7119 return 0; 7120 } 7121 7122 static int 7123 bnx2_nway_reset(struct net_device *dev) 7124 { 7125 struct bnx2 *bp = netdev_priv(dev); 7126 u32 bmcr; 7127 7128 if (!netif_running(dev)) 7129 return -EAGAIN; 7130 7131 if (!(bp->autoneg & AUTONEG_SPEED)) { 7132 return -EINVAL; 7133 } 7134 7135 spin_lock_bh(&bp->phy_lock); 7136 7137 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { 7138 int rc; 7139 7140 rc = bnx2_setup_remote_phy(bp, bp->phy_port); 7141 spin_unlock_bh(&bp->phy_lock); 7142 return rc; 7143 } 7144 7145 /* Force a link down visible on the other side */ 7146 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 7147 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); 7148 spin_unlock_bh(&bp->phy_lock); 7149 7150 msleep(20); 7151 7152 spin_lock_bh(&bp->phy_lock); 7153 7154 bp->current_interval = BNX2_SERDES_AN_TIMEOUT; 7155 bp->serdes_an_pending = 1; 7156 mod_timer(&bp->timer, jiffies + bp->current_interval); 7157 } 7158 7159 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); 7160 bmcr &= ~BMCR_LOOPBACK; 7161 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE); 7162 7163 spin_unlock_bh(&bp->phy_lock); 7164 7165 return 0; 7166 } 7167 7168 static u32 7169 bnx2_get_link(struct net_device *dev) 7170 { 7171 struct bnx2 *bp = netdev_priv(dev); 7172 7173 return bp->link_up; 7174 } 7175 7176 static int 7177 bnx2_get_eeprom_len(struct net_device *dev) 7178 { 7179 struct bnx2 *bp = netdev_priv(dev); 7180 7181 if (bp->flash_info == NULL) 7182 return 0; 7183 7184 return (int) bp->flash_size; 7185 } 7186 7187 static int 7188 bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 7189 u8 *eebuf) 7190 { 7191 struct bnx2 *bp = netdev_priv(dev); 7192 int rc; 7193 7194 /* parameters already validated in ethtool_get_eeprom */ 7195 7196 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); 7197 7198 return rc; 7199 } 7200 7201 static int 7202 bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 7203 u8 *eebuf) 7204 { 7205 struct bnx2 *bp = netdev_priv(dev); 7206 int rc; 7207 7208 /* parameters already validated in ethtool_set_eeprom */ 7209 7210 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); 7211 7212 return rc; 7213 } 7214 7215 static int 7216 bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) 7217 { 7218 struct bnx2 *bp = netdev_priv(dev); 7219 7220 memset(coal, 0, sizeof(struct ethtool_coalesce)); 7221 7222 coal->rx_coalesce_usecs = bp->rx_ticks; 7223 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip; 7224 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int; 7225 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int; 7226 7227 coal->tx_coalesce_usecs = bp->tx_ticks; 7228 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip; 7229 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int; 7230 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int; 7231 7232 coal->stats_block_coalesce_usecs = bp->stats_ticks; 7233 7234 return 0; 7235 } 7236 7237 static int 7238 bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) 7239 { 7240 struct bnx2 *bp = netdev_priv(dev); 7241 7242 bp->rx_ticks = (u16) coal->rx_coalesce_usecs; 7243 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff; 7244 7245 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; 7246 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff; 7247 7248 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq; 7249 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff; 7250 7251 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq; 7252 if (bp->rx_quick_cons_trip_int > 0xff) 7253 bp->rx_quick_cons_trip_int = 0xff; 7254 7255 bp->tx_ticks = (u16) coal->tx_coalesce_usecs; 7256 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff; 7257 7258 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames; 7259 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff; 7260 7261 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq; 7262 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff; 7263 7264 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq; 7265 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int = 7266 0xff; 7267 7268 bp->stats_ticks = coal->stats_block_coalesce_usecs; 7269 if (bp->flags & BNX2_FLAG_BROKEN_STATS) { 7270 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC) 7271 bp->stats_ticks = USEC_PER_SEC; 7272 } 7273 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS) 7274 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7275 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7276 7277 if (netif_running(bp->dev)) { 7278 bnx2_netif_stop(bp, true); 7279 bnx2_init_nic(bp, 0); 7280 bnx2_netif_start(bp, true); 7281 } 7282 7283 return 0; 7284 } 7285 7286 static void 7287 bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) 7288 { 7289 struct bnx2 *bp = netdev_priv(dev); 7290 7291 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT; 7292 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT; 7293 7294 ering->rx_pending = bp->rx_ring_size; 7295 ering->rx_jumbo_pending = bp->rx_pg_ring_size; 7296 7297 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT; 7298 ering->tx_pending = bp->tx_ring_size; 7299 } 7300 7301 static int 7302 bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq) 7303 { 7304 if (netif_running(bp->dev)) { 7305 /* Reset will erase chipset stats; save them */ 7306 bnx2_save_stats(bp); 7307 7308 bnx2_netif_stop(bp, true); 7309 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); 7310 if (reset_irq) { 7311 bnx2_free_irq(bp); 7312 bnx2_del_napi(bp); 7313 } else { 7314 __bnx2_free_irq(bp); 7315 } 7316 bnx2_free_skbs(bp); 7317 bnx2_free_mem(bp); 7318 } 7319 7320 bnx2_set_rx_ring_size(bp, rx); 7321 bp->tx_ring_size = tx; 7322 7323 if (netif_running(bp->dev)) { 7324 int rc = 0; 7325 7326 if (reset_irq) { 7327 rc = bnx2_setup_int_mode(bp, disable_msi); 7328 bnx2_init_napi(bp); 7329 } 7330 7331 if (!rc) 7332 rc = bnx2_alloc_mem(bp); 7333 7334 if (!rc) 7335 rc = bnx2_request_irq(bp); 7336 7337 if (!rc) 7338 rc = bnx2_init_nic(bp, 0); 7339 7340 if (rc) { 7341 bnx2_napi_enable(bp); 7342 dev_close(bp->dev); 7343 return rc; 7344 } 7345 #ifdef BCM_CNIC 7346 mutex_lock(&bp->cnic_lock); 7347 /* Let cnic know about the new status block. */ 7348 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD) 7349 bnx2_setup_cnic_irq_info(bp); 7350 mutex_unlock(&bp->cnic_lock); 7351 #endif 7352 bnx2_netif_start(bp, true); 7353 } 7354 return 0; 7355 } 7356 7357 static int 7358 bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) 7359 { 7360 struct bnx2 *bp = netdev_priv(dev); 7361 int rc; 7362 7363 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) || 7364 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) || 7365 (ering->tx_pending <= MAX_SKB_FRAGS)) { 7366 7367 return -EINVAL; 7368 } 7369 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending, 7370 false); 7371 return rc; 7372 } 7373 7374 static void 7375 bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) 7376 { 7377 struct bnx2 *bp = netdev_priv(dev); 7378 7379 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0); 7380 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0); 7381 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0); 7382 } 7383 7384 static int 7385 bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) 7386 { 7387 struct bnx2 *bp = netdev_priv(dev); 7388 7389 bp->req_flow_ctrl = 0; 7390 if (epause->rx_pause) 7391 bp->req_flow_ctrl |= FLOW_CTRL_RX; 7392 if (epause->tx_pause) 7393 bp->req_flow_ctrl |= FLOW_CTRL_TX; 7394 7395 if (epause->autoneg) { 7396 bp->autoneg |= AUTONEG_FLOW_CTRL; 7397 } 7398 else { 7399 bp->autoneg &= ~AUTONEG_FLOW_CTRL; 7400 } 7401 7402 if (netif_running(dev)) { 7403 spin_lock_bh(&bp->phy_lock); 7404 bnx2_setup_phy(bp, bp->phy_port); 7405 spin_unlock_bh(&bp->phy_lock); 7406 } 7407 7408 return 0; 7409 } 7410 7411 static struct { 7412 char string[ETH_GSTRING_LEN]; 7413 } bnx2_stats_str_arr[] = { 7414 { "rx_bytes" }, 7415 { "rx_error_bytes" }, 7416 { "tx_bytes" }, 7417 { "tx_error_bytes" }, 7418 { "rx_ucast_packets" }, 7419 { "rx_mcast_packets" }, 7420 { "rx_bcast_packets" }, 7421 { "tx_ucast_packets" }, 7422 { "tx_mcast_packets" }, 7423 { "tx_bcast_packets" }, 7424 { "tx_mac_errors" }, 7425 { "tx_carrier_errors" }, 7426 { "rx_crc_errors" }, 7427 { "rx_align_errors" }, 7428 { "tx_single_collisions" }, 7429 { "tx_multi_collisions" }, 7430 { "tx_deferred" }, 7431 { "tx_excess_collisions" }, 7432 { "tx_late_collisions" }, 7433 { "tx_total_collisions" }, 7434 { "rx_fragments" }, 7435 { "rx_jabbers" }, 7436 { "rx_undersize_packets" }, 7437 { "rx_oversize_packets" }, 7438 { "rx_64_byte_packets" }, 7439 { "rx_65_to_127_byte_packets" }, 7440 { "rx_128_to_255_byte_packets" }, 7441 { "rx_256_to_511_byte_packets" }, 7442 { "rx_512_to_1023_byte_packets" }, 7443 { "rx_1024_to_1522_byte_packets" }, 7444 { "rx_1523_to_9022_byte_packets" }, 7445 { "tx_64_byte_packets" }, 7446 { "tx_65_to_127_byte_packets" }, 7447 { "tx_128_to_255_byte_packets" }, 7448 { "tx_256_to_511_byte_packets" }, 7449 { "tx_512_to_1023_byte_packets" }, 7450 { "tx_1024_to_1522_byte_packets" }, 7451 { "tx_1523_to_9022_byte_packets" }, 7452 { "rx_xon_frames" }, 7453 { "rx_xoff_frames" }, 7454 { "tx_xon_frames" }, 7455 { "tx_xoff_frames" }, 7456 { "rx_mac_ctrl_frames" }, 7457 { "rx_filtered_packets" }, 7458 { "rx_ftq_discards" }, 7459 { "rx_discards" }, 7460 { "rx_fw_discards" }, 7461 }; 7462 7463 #define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr) 7464 7465 #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4) 7466 7467 static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = { 7468 STATS_OFFSET32(stat_IfHCInOctets_hi), 7469 STATS_OFFSET32(stat_IfHCInBadOctets_hi), 7470 STATS_OFFSET32(stat_IfHCOutOctets_hi), 7471 STATS_OFFSET32(stat_IfHCOutBadOctets_hi), 7472 STATS_OFFSET32(stat_IfHCInUcastPkts_hi), 7473 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi), 7474 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi), 7475 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi), 7476 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi), 7477 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi), 7478 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors), 7479 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), 7480 STATS_OFFSET32(stat_Dot3StatsFCSErrors), 7481 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors), 7482 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames), 7483 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames), 7484 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), 7485 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions), 7486 STATS_OFFSET32(stat_Dot3StatsLateCollisions), 7487 STATS_OFFSET32(stat_EtherStatsCollisions), 7488 STATS_OFFSET32(stat_EtherStatsFragments), 7489 STATS_OFFSET32(stat_EtherStatsJabbers), 7490 STATS_OFFSET32(stat_EtherStatsUndersizePkts), 7491 STATS_OFFSET32(stat_EtherStatsOverrsizePkts), 7492 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets), 7493 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets), 7494 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets), 7495 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets), 7496 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets), 7497 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets), 7498 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets), 7499 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets), 7500 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets), 7501 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets), 7502 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets), 7503 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets), 7504 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets), 7505 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets), 7506 STATS_OFFSET32(stat_XonPauseFramesReceived), 7507 STATS_OFFSET32(stat_XoffPauseFramesReceived), 7508 STATS_OFFSET32(stat_OutXonSent), 7509 STATS_OFFSET32(stat_OutXoffSent), 7510 STATS_OFFSET32(stat_MacControlFramesReceived), 7511 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards), 7512 STATS_OFFSET32(stat_IfInFTQDiscards), 7513 STATS_OFFSET32(stat_IfInMBUFDiscards), 7514 STATS_OFFSET32(stat_FwRxDrop), 7515 }; 7516 7517 /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are 7518 * skipped because of errata. 7519 */ 7520 static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = { 7521 8,0,8,8,8,8,8,8,8,8, 7522 4,0,4,4,4,4,4,4,4,4, 7523 4,4,4,4,4,4,4,4,4,4, 7524 4,4,4,4,4,4,4,4,4,4, 7525 4,4,4,4,4,4,4, 7526 }; 7527 7528 static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = { 7529 8,0,8,8,8,8,8,8,8,8, 7530 4,4,4,4,4,4,4,4,4,4, 7531 4,4,4,4,4,4,4,4,4,4, 7532 4,4,4,4,4,4,4,4,4,4, 7533 4,4,4,4,4,4,4, 7534 }; 7535 7536 #define BNX2_NUM_TESTS 6 7537 7538 static struct { 7539 char string[ETH_GSTRING_LEN]; 7540 } bnx2_tests_str_arr[BNX2_NUM_TESTS] = { 7541 { "register_test (offline)" }, 7542 { "memory_test (offline)" }, 7543 { "loopback_test (offline)" }, 7544 { "nvram_test (online)" }, 7545 { "interrupt_test (online)" }, 7546 { "link_test (online)" }, 7547 }; 7548 7549 static int 7550 bnx2_get_sset_count(struct net_device *dev, int sset) 7551 { 7552 switch (sset) { 7553 case ETH_SS_TEST: 7554 return BNX2_NUM_TESTS; 7555 case ETH_SS_STATS: 7556 return BNX2_NUM_STATS; 7557 default: 7558 return -EOPNOTSUPP; 7559 } 7560 } 7561 7562 static void 7563 bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) 7564 { 7565 struct bnx2 *bp = netdev_priv(dev); 7566 7567 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS); 7568 if (etest->flags & ETH_TEST_FL_OFFLINE) { 7569 int i; 7570 7571 bnx2_netif_stop(bp, true); 7572 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); 7573 bnx2_free_skbs(bp); 7574 7575 if (bnx2_test_registers(bp) != 0) { 7576 buf[0] = 1; 7577 etest->flags |= ETH_TEST_FL_FAILED; 7578 } 7579 if (bnx2_test_memory(bp) != 0) { 7580 buf[1] = 1; 7581 etest->flags |= ETH_TEST_FL_FAILED; 7582 } 7583 if ((buf[2] = bnx2_test_loopback(bp)) != 0) 7584 etest->flags |= ETH_TEST_FL_FAILED; 7585 7586 if (!netif_running(bp->dev)) 7587 bnx2_shutdown_chip(bp); 7588 else { 7589 bnx2_init_nic(bp, 1); 7590 bnx2_netif_start(bp, true); 7591 } 7592 7593 /* wait for link up */ 7594 for (i = 0; i < 7; i++) { 7595 if (bp->link_up) 7596 break; 7597 msleep_interruptible(1000); 7598 } 7599 } 7600 7601 if (bnx2_test_nvram(bp) != 0) { 7602 buf[3] = 1; 7603 etest->flags |= ETH_TEST_FL_FAILED; 7604 } 7605 if (bnx2_test_intr(bp) != 0) { 7606 buf[4] = 1; 7607 etest->flags |= ETH_TEST_FL_FAILED; 7608 } 7609 7610 if (bnx2_test_link(bp) != 0) { 7611 buf[5] = 1; 7612 etest->flags |= ETH_TEST_FL_FAILED; 7613 7614 } 7615 } 7616 7617 static void 7618 bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 7619 { 7620 switch (stringset) { 7621 case ETH_SS_STATS: 7622 memcpy(buf, bnx2_stats_str_arr, 7623 sizeof(bnx2_stats_str_arr)); 7624 break; 7625 case ETH_SS_TEST: 7626 memcpy(buf, bnx2_tests_str_arr, 7627 sizeof(bnx2_tests_str_arr)); 7628 break; 7629 } 7630 } 7631 7632 static void 7633 bnx2_get_ethtool_stats(struct net_device *dev, 7634 struct ethtool_stats *stats, u64 *buf) 7635 { 7636 struct bnx2 *bp = netdev_priv(dev); 7637 int i; 7638 u32 *hw_stats = (u32 *) bp->stats_blk; 7639 u32 *temp_stats = (u32 *) bp->temp_stats_blk; 7640 u8 *stats_len_arr = NULL; 7641 7642 if (hw_stats == NULL) { 7643 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS); 7644 return; 7645 } 7646 7647 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) || 7648 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) || 7649 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) || 7650 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0)) 7651 stats_len_arr = bnx2_5706_stats_len_arr; 7652 else 7653 stats_len_arr = bnx2_5708_stats_len_arr; 7654 7655 for (i = 0; i < BNX2_NUM_STATS; i++) { 7656 unsigned long offset; 7657 7658 if (stats_len_arr[i] == 0) { 7659 /* skip this counter */ 7660 buf[i] = 0; 7661 continue; 7662 } 7663 7664 offset = bnx2_stats_offset_arr[i]; 7665 if (stats_len_arr[i] == 4) { 7666 /* 4-byte counter */ 7667 buf[i] = (u64) *(hw_stats + offset) + 7668 *(temp_stats + offset); 7669 continue; 7670 } 7671 /* 8-byte counter */ 7672 buf[i] = (((u64) *(hw_stats + offset)) << 32) + 7673 *(hw_stats + offset + 1) + 7674 (((u64) *(temp_stats + offset)) << 32) + 7675 *(temp_stats + offset + 1); 7676 } 7677 } 7678 7679 static int 7680 bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state) 7681 { 7682 struct bnx2 *bp = netdev_priv(dev); 7683 7684 switch (state) { 7685 case ETHTOOL_ID_ACTIVE: 7686 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG); 7687 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC); 7688 return 1; /* cycle on/off once per second */ 7689 7690 case ETHTOOL_ID_ON: 7691 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE | 7692 BNX2_EMAC_LED_1000MB_OVERRIDE | 7693 BNX2_EMAC_LED_100MB_OVERRIDE | 7694 BNX2_EMAC_LED_10MB_OVERRIDE | 7695 BNX2_EMAC_LED_TRAFFIC_OVERRIDE | 7696 BNX2_EMAC_LED_TRAFFIC); 7697 break; 7698 7699 case ETHTOOL_ID_OFF: 7700 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE); 7701 break; 7702 7703 case ETHTOOL_ID_INACTIVE: 7704 BNX2_WR(bp, BNX2_EMAC_LED, 0); 7705 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save); 7706 break; 7707 } 7708 7709 return 0; 7710 } 7711 7712 static netdev_features_t 7713 bnx2_fix_features(struct net_device *dev, netdev_features_t features) 7714 { 7715 struct bnx2 *bp = netdev_priv(dev); 7716 7717 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) 7718 features |= NETIF_F_HW_VLAN_CTAG_RX; 7719 7720 return features; 7721 } 7722 7723 static int 7724 bnx2_set_features(struct net_device *dev, netdev_features_t features) 7725 { 7726 struct bnx2 *bp = netdev_priv(dev); 7727 7728 /* TSO with VLAN tag won't work with current firmware */ 7729 if (features & NETIF_F_HW_VLAN_CTAG_TX) 7730 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO); 7731 else 7732 dev->vlan_features &= ~NETIF_F_ALL_TSO; 7733 7734 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) != 7735 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) && 7736 netif_running(dev)) { 7737 bnx2_netif_stop(bp, false); 7738 dev->features = features; 7739 bnx2_set_rx_mode(dev); 7740 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); 7741 bnx2_netif_start(bp, false); 7742 return 1; 7743 } 7744 7745 return 0; 7746 } 7747 7748 static void bnx2_get_channels(struct net_device *dev, 7749 struct ethtool_channels *channels) 7750 { 7751 struct bnx2 *bp = netdev_priv(dev); 7752 u32 max_rx_rings = 1; 7753 u32 max_tx_rings = 1; 7754 7755 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) { 7756 max_rx_rings = RX_MAX_RINGS; 7757 max_tx_rings = TX_MAX_RINGS; 7758 } 7759 7760 channels->max_rx = max_rx_rings; 7761 channels->max_tx = max_tx_rings; 7762 channels->max_other = 0; 7763 channels->max_combined = 0; 7764 channels->rx_count = bp->num_rx_rings; 7765 channels->tx_count = bp->num_tx_rings; 7766 channels->other_count = 0; 7767 channels->combined_count = 0; 7768 } 7769 7770 static int bnx2_set_channels(struct net_device *dev, 7771 struct ethtool_channels *channels) 7772 { 7773 struct bnx2 *bp = netdev_priv(dev); 7774 u32 max_rx_rings = 1; 7775 u32 max_tx_rings = 1; 7776 int rc = 0; 7777 7778 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) { 7779 max_rx_rings = RX_MAX_RINGS; 7780 max_tx_rings = TX_MAX_RINGS; 7781 } 7782 if (channels->rx_count > max_rx_rings || 7783 channels->tx_count > max_tx_rings) 7784 return -EINVAL; 7785 7786 bp->num_req_rx_rings = channels->rx_count; 7787 bp->num_req_tx_rings = channels->tx_count; 7788 7789 if (netif_running(dev)) 7790 rc = bnx2_change_ring_size(bp, bp->rx_ring_size, 7791 bp->tx_ring_size, true); 7792 7793 return rc; 7794 } 7795 7796 static const struct ethtool_ops bnx2_ethtool_ops = { 7797 .get_settings = bnx2_get_settings, 7798 .set_settings = bnx2_set_settings, 7799 .get_drvinfo = bnx2_get_drvinfo, 7800 .get_regs_len = bnx2_get_regs_len, 7801 .get_regs = bnx2_get_regs, 7802 .get_wol = bnx2_get_wol, 7803 .set_wol = bnx2_set_wol, 7804 .nway_reset = bnx2_nway_reset, 7805 .get_link = bnx2_get_link, 7806 .get_eeprom_len = bnx2_get_eeprom_len, 7807 .get_eeprom = bnx2_get_eeprom, 7808 .set_eeprom = bnx2_set_eeprom, 7809 .get_coalesce = bnx2_get_coalesce, 7810 .set_coalesce = bnx2_set_coalesce, 7811 .get_ringparam = bnx2_get_ringparam, 7812 .set_ringparam = bnx2_set_ringparam, 7813 .get_pauseparam = bnx2_get_pauseparam, 7814 .set_pauseparam = bnx2_set_pauseparam, 7815 .self_test = bnx2_self_test, 7816 .get_strings = bnx2_get_strings, 7817 .set_phys_id = bnx2_set_phys_id, 7818 .get_ethtool_stats = bnx2_get_ethtool_stats, 7819 .get_sset_count = bnx2_get_sset_count, 7820 .get_channels = bnx2_get_channels, 7821 .set_channels = bnx2_set_channels, 7822 }; 7823 7824 /* Called with rtnl_lock */ 7825 static int 7826 bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 7827 { 7828 struct mii_ioctl_data *data = if_mii(ifr); 7829 struct bnx2 *bp = netdev_priv(dev); 7830 int err; 7831 7832 switch(cmd) { 7833 case SIOCGMIIPHY: 7834 data->phy_id = bp->phy_addr; 7835 7836 /* fallthru */ 7837 case SIOCGMIIREG: { 7838 u32 mii_regval; 7839 7840 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 7841 return -EOPNOTSUPP; 7842 7843 if (!netif_running(dev)) 7844 return -EAGAIN; 7845 7846 spin_lock_bh(&bp->phy_lock); 7847 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval); 7848 spin_unlock_bh(&bp->phy_lock); 7849 7850 data->val_out = mii_regval; 7851 7852 return err; 7853 } 7854 7855 case SIOCSMIIREG: 7856 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) 7857 return -EOPNOTSUPP; 7858 7859 if (!netif_running(dev)) 7860 return -EAGAIN; 7861 7862 spin_lock_bh(&bp->phy_lock); 7863 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in); 7864 spin_unlock_bh(&bp->phy_lock); 7865 7866 return err; 7867 7868 default: 7869 /* do nothing */ 7870 break; 7871 } 7872 return -EOPNOTSUPP; 7873 } 7874 7875 /* Called with rtnl_lock */ 7876 static int 7877 bnx2_change_mac_addr(struct net_device *dev, void *p) 7878 { 7879 struct sockaddr *addr = p; 7880 struct bnx2 *bp = netdev_priv(dev); 7881 7882 if (!is_valid_ether_addr(addr->sa_data)) 7883 return -EADDRNOTAVAIL; 7884 7885 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 7886 if (netif_running(dev)) 7887 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); 7888 7889 return 0; 7890 } 7891 7892 /* Called with rtnl_lock */ 7893 static int 7894 bnx2_change_mtu(struct net_device *dev, int new_mtu) 7895 { 7896 struct bnx2 *bp = netdev_priv(dev); 7897 7898 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || 7899 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE)) 7900 return -EINVAL; 7901 7902 dev->mtu = new_mtu; 7903 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size, 7904 false); 7905 } 7906 7907 #ifdef CONFIG_NET_POLL_CONTROLLER 7908 static void 7909 poll_bnx2(struct net_device *dev) 7910 { 7911 struct bnx2 *bp = netdev_priv(dev); 7912 int i; 7913 7914 for (i = 0; i < bp->irq_nvecs; i++) { 7915 struct bnx2_irq *irq = &bp->irq_tbl[i]; 7916 7917 disable_irq(irq->vector); 7918 irq->handler(irq->vector, &bp->bnx2_napi[i]); 7919 enable_irq(irq->vector); 7920 } 7921 } 7922 #endif 7923 7924 static void 7925 bnx2_get_5709_media(struct bnx2 *bp) 7926 { 7927 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL); 7928 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID; 7929 u32 strap; 7930 7931 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) 7932 return; 7933 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) { 7934 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7935 return; 7936 } 7937 7938 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) 7939 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21; 7940 else 7941 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8; 7942 7943 if (bp->func == 0) { 7944 switch (strap) { 7945 case 0x4: 7946 case 0x5: 7947 case 0x6: 7948 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7949 return; 7950 } 7951 } else { 7952 switch (strap) { 7953 case 0x1: 7954 case 0x2: 7955 case 0x4: 7956 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 7957 return; 7958 } 7959 } 7960 } 7961 7962 static void 7963 bnx2_get_pci_speed(struct bnx2 *bp) 7964 { 7965 u32 reg; 7966 7967 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS); 7968 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) { 7969 u32 clkreg; 7970 7971 bp->flags |= BNX2_FLAG_PCIX; 7972 7973 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS); 7974 7975 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET; 7976 switch (clkreg) { 7977 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ: 7978 bp->bus_speed_mhz = 133; 7979 break; 7980 7981 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ: 7982 bp->bus_speed_mhz = 100; 7983 break; 7984 7985 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ: 7986 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ: 7987 bp->bus_speed_mhz = 66; 7988 break; 7989 7990 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ: 7991 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ: 7992 bp->bus_speed_mhz = 50; 7993 break; 7994 7995 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW: 7996 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ: 7997 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ: 7998 bp->bus_speed_mhz = 33; 7999 break; 8000 } 8001 } 8002 else { 8003 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN) 8004 bp->bus_speed_mhz = 66; 8005 else 8006 bp->bus_speed_mhz = 33; 8007 } 8008 8009 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET) 8010 bp->flags |= BNX2_FLAG_PCI_32BIT; 8011 8012 } 8013 8014 static void 8015 bnx2_read_vpd_fw_ver(struct bnx2 *bp) 8016 { 8017 int rc, i, j; 8018 u8 *data; 8019 unsigned int block_end, rosize, len; 8020 8021 #define BNX2_VPD_NVRAM_OFFSET 0x300 8022 #define BNX2_VPD_LEN 128 8023 #define BNX2_MAX_VER_SLEN 30 8024 8025 data = kmalloc(256, GFP_KERNEL); 8026 if (!data) 8027 return; 8028 8029 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN, 8030 BNX2_VPD_LEN); 8031 if (rc) 8032 goto vpd_done; 8033 8034 for (i = 0; i < BNX2_VPD_LEN; i += 4) { 8035 data[i] = data[i + BNX2_VPD_LEN + 3]; 8036 data[i + 1] = data[i + BNX2_VPD_LEN + 2]; 8037 data[i + 2] = data[i + BNX2_VPD_LEN + 1]; 8038 data[i + 3] = data[i + BNX2_VPD_LEN]; 8039 } 8040 8041 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA); 8042 if (i < 0) 8043 goto vpd_done; 8044 8045 rosize = pci_vpd_lrdt_size(&data[i]); 8046 i += PCI_VPD_LRDT_TAG_SIZE; 8047 block_end = i + rosize; 8048 8049 if (block_end > BNX2_VPD_LEN) 8050 goto vpd_done; 8051 8052 j = pci_vpd_find_info_keyword(data, i, rosize, 8053 PCI_VPD_RO_KEYWORD_MFR_ID); 8054 if (j < 0) 8055 goto vpd_done; 8056 8057 len = pci_vpd_info_field_size(&data[j]); 8058 8059 j += PCI_VPD_INFO_FLD_HDR_SIZE; 8060 if (j + len > block_end || len != 4 || 8061 memcmp(&data[j], "1028", 4)) 8062 goto vpd_done; 8063 8064 j = pci_vpd_find_info_keyword(data, i, rosize, 8065 PCI_VPD_RO_KEYWORD_VENDOR0); 8066 if (j < 0) 8067 goto vpd_done; 8068 8069 len = pci_vpd_info_field_size(&data[j]); 8070 8071 j += PCI_VPD_INFO_FLD_HDR_SIZE; 8072 if (j + len > block_end || len > BNX2_MAX_VER_SLEN) 8073 goto vpd_done; 8074 8075 memcpy(bp->fw_version, &data[j], len); 8076 bp->fw_version[len] = ' '; 8077 8078 vpd_done: 8079 kfree(data); 8080 } 8081 8082 static int 8083 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) 8084 { 8085 struct bnx2 *bp; 8086 int rc, i, j; 8087 u32 reg; 8088 u64 dma_mask, persist_dma_mask; 8089 int err; 8090 8091 SET_NETDEV_DEV(dev, &pdev->dev); 8092 bp = netdev_priv(dev); 8093 8094 bp->flags = 0; 8095 bp->phy_flags = 0; 8096 8097 bp->temp_stats_blk = 8098 kzalloc(sizeof(struct statistics_block), GFP_KERNEL); 8099 8100 if (bp->temp_stats_blk == NULL) { 8101 rc = -ENOMEM; 8102 goto err_out; 8103 } 8104 8105 /* enable device (incl. PCI PM wakeup), and bus-mastering */ 8106 rc = pci_enable_device(pdev); 8107 if (rc) { 8108 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); 8109 goto err_out; 8110 } 8111 8112 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 8113 dev_err(&pdev->dev, 8114 "Cannot find PCI device base address, aborting\n"); 8115 rc = -ENODEV; 8116 goto err_out_disable; 8117 } 8118 8119 rc = pci_request_regions(pdev, DRV_MODULE_NAME); 8120 if (rc) { 8121 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); 8122 goto err_out_disable; 8123 } 8124 8125 pci_set_master(pdev); 8126 8127 bp->pm_cap = pdev->pm_cap; 8128 if (bp->pm_cap == 0) { 8129 dev_err(&pdev->dev, 8130 "Cannot find power management capability, aborting\n"); 8131 rc = -EIO; 8132 goto err_out_release; 8133 } 8134 8135 bp->dev = dev; 8136 bp->pdev = pdev; 8137 8138 spin_lock_init(&bp->phy_lock); 8139 spin_lock_init(&bp->indirect_lock); 8140 #ifdef BCM_CNIC 8141 mutex_init(&bp->cnic_lock); 8142 #endif 8143 INIT_WORK(&bp->reset_task, bnx2_reset_task); 8144 8145 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID + 8146 TX_MAX_TSS_RINGS + 1)); 8147 if (!bp->regview) { 8148 dev_err(&pdev->dev, "Cannot map register space, aborting\n"); 8149 rc = -ENOMEM; 8150 goto err_out_release; 8151 } 8152 8153 /* Configure byte swap and enable write to the reg_window registers. 8154 * Rely on CPU to do target byte swapping on big endian systems 8155 * The chip's target access swapping will not swap all accesses 8156 */ 8157 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, 8158 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 8159 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP); 8160 8161 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID); 8162 8163 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) { 8164 if (!pci_is_pcie(pdev)) { 8165 dev_err(&pdev->dev, "Not PCIE, aborting\n"); 8166 rc = -EIO; 8167 goto err_out_unmap; 8168 } 8169 bp->flags |= BNX2_FLAG_PCIE; 8170 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax) 8171 bp->flags |= BNX2_FLAG_JUMBO_BROKEN; 8172 8173 /* AER (Advanced Error Reporting) hooks */ 8174 err = pci_enable_pcie_error_reporting(pdev); 8175 if (!err) 8176 bp->flags |= BNX2_FLAG_AER_ENABLED; 8177 8178 } else { 8179 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); 8180 if (bp->pcix_cap == 0) { 8181 dev_err(&pdev->dev, 8182 "Cannot find PCIX capability, aborting\n"); 8183 rc = -EIO; 8184 goto err_out_unmap; 8185 } 8186 bp->flags |= BNX2_FLAG_BROKEN_STATS; 8187 } 8188 8189 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 && 8190 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) { 8191 if (pdev->msix_cap) 8192 bp->flags |= BNX2_FLAG_MSIX_CAP; 8193 } 8194 8195 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 && 8196 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) { 8197 if (pdev->msi_cap) 8198 bp->flags |= BNX2_FLAG_MSI_CAP; 8199 } 8200 8201 /* 5708 cannot support DMA addresses > 40-bit. */ 8202 if (BNX2_CHIP(bp) == BNX2_CHIP_5708) 8203 persist_dma_mask = dma_mask = DMA_BIT_MASK(40); 8204 else 8205 persist_dma_mask = dma_mask = DMA_BIT_MASK(64); 8206 8207 /* Configure DMA attributes. */ 8208 if (pci_set_dma_mask(pdev, dma_mask) == 0) { 8209 dev->features |= NETIF_F_HIGHDMA; 8210 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask); 8211 if (rc) { 8212 dev_err(&pdev->dev, 8213 "pci_set_consistent_dma_mask failed, aborting\n"); 8214 goto err_out_unmap; 8215 } 8216 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { 8217 dev_err(&pdev->dev, "System does not support DMA, aborting\n"); 8218 goto err_out_unmap; 8219 } 8220 8221 if (!(bp->flags & BNX2_FLAG_PCIE)) 8222 bnx2_get_pci_speed(bp); 8223 8224 /* 5706A0 may falsely detect SERR and PERR. */ 8225 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) { 8226 reg = BNX2_RD(bp, PCI_COMMAND); 8227 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY); 8228 BNX2_WR(bp, PCI_COMMAND, reg); 8229 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) && 8230 !(bp->flags & BNX2_FLAG_PCIX)) { 8231 8232 dev_err(&pdev->dev, 8233 "5706 A1 can only be used in a PCIX bus, aborting\n"); 8234 goto err_out_unmap; 8235 } 8236 8237 bnx2_init_nvram(bp); 8238 8239 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE); 8240 8241 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID) 8242 bp->func = 1; 8243 8244 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) == 8245 BNX2_SHM_HDR_SIGNATURE_SIG) { 8246 u32 off = bp->func << 2; 8247 8248 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off); 8249 } else 8250 bp->shmem_base = HOST_VIEW_SHMEM_BASE; 8251 8252 /* Get the permanent MAC address. First we need to make sure the 8253 * firmware is actually running. 8254 */ 8255 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE); 8256 8257 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) != 8258 BNX2_DEV_INFO_SIGNATURE_MAGIC) { 8259 dev_err(&pdev->dev, "Firmware not running, aborting\n"); 8260 rc = -ENODEV; 8261 goto err_out_unmap; 8262 } 8263 8264 bnx2_read_vpd_fw_ver(bp); 8265 8266 j = strlen(bp->fw_version); 8267 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV); 8268 for (i = 0; i < 3 && j < 24; i++) { 8269 u8 num, k, skip0; 8270 8271 if (i == 0) { 8272 bp->fw_version[j++] = 'b'; 8273 bp->fw_version[j++] = 'c'; 8274 bp->fw_version[j++] = ' '; 8275 } 8276 num = (u8) (reg >> (24 - (i * 8))); 8277 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) { 8278 if (num >= k || !skip0 || k == 1) { 8279 bp->fw_version[j++] = (num / k) + '0'; 8280 skip0 = 0; 8281 } 8282 } 8283 if (i != 2) 8284 bp->fw_version[j++] = '.'; 8285 } 8286 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE); 8287 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED) 8288 bp->wol = 1; 8289 8290 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) { 8291 bp->flags |= BNX2_FLAG_ASF_ENABLE; 8292 8293 for (i = 0; i < 30; i++) { 8294 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); 8295 if (reg & BNX2_CONDITION_MFW_RUN_MASK) 8296 break; 8297 msleep(10); 8298 } 8299 } 8300 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); 8301 reg &= BNX2_CONDITION_MFW_RUN_MASK; 8302 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN && 8303 reg != BNX2_CONDITION_MFW_RUN_NONE) { 8304 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR); 8305 8306 if (j < 32) 8307 bp->fw_version[j++] = ' '; 8308 for (i = 0; i < 3 && j < 28; i++) { 8309 reg = bnx2_reg_rd_ind(bp, addr + i * 4); 8310 reg = be32_to_cpu(reg); 8311 memcpy(&bp->fw_version[j], ®, 4); 8312 j += 4; 8313 } 8314 } 8315 8316 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER); 8317 bp->mac_addr[0] = (u8) (reg >> 8); 8318 bp->mac_addr[1] = (u8) reg; 8319 8320 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER); 8321 bp->mac_addr[2] = (u8) (reg >> 24); 8322 bp->mac_addr[3] = (u8) (reg >> 16); 8323 bp->mac_addr[4] = (u8) (reg >> 8); 8324 bp->mac_addr[5] = (u8) reg; 8325 8326 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT; 8327 bnx2_set_rx_ring_size(bp, 255); 8328 8329 bp->tx_quick_cons_trip_int = 2; 8330 bp->tx_quick_cons_trip = 20; 8331 bp->tx_ticks_int = 18; 8332 bp->tx_ticks = 80; 8333 8334 bp->rx_quick_cons_trip_int = 2; 8335 bp->rx_quick_cons_trip = 12; 8336 bp->rx_ticks_int = 18; 8337 bp->rx_ticks = 18; 8338 8339 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 8340 8341 bp->current_interval = BNX2_TIMER_INTERVAL; 8342 8343 bp->phy_addr = 1; 8344 8345 /* Disable WOL support if we are running on a SERDES chip. */ 8346 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 8347 bnx2_get_5709_media(bp); 8348 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT) 8349 bp->phy_flags |= BNX2_PHY_FLAG_SERDES; 8350 8351 bp->phy_port = PORT_TP; 8352 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { 8353 bp->phy_port = PORT_FIBRE; 8354 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); 8355 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) { 8356 bp->flags |= BNX2_FLAG_NO_WOL; 8357 bp->wol = 0; 8358 } 8359 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) { 8360 /* Don't do parallel detect on this board because of 8361 * some board problems. The link will not go down 8362 * if we do parallel detect. 8363 */ 8364 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 8365 pdev->subsystem_device == 0x310c) 8366 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL; 8367 } else { 8368 bp->phy_addr = 2; 8369 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G) 8370 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE; 8371 } 8372 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 || 8373 BNX2_CHIP(bp) == BNX2_CHIP_5708) 8374 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX; 8375 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 && 8376 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax || 8377 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx)) 8378 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC; 8379 8380 bnx2_init_fw_cap(bp); 8381 8382 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) || 8383 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) || 8384 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) || 8385 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) { 8386 bp->flags |= BNX2_FLAG_NO_WOL; 8387 bp->wol = 0; 8388 } 8389 8390 if (bp->flags & BNX2_FLAG_NO_WOL) 8391 device_set_wakeup_capable(&bp->pdev->dev, false); 8392 else 8393 device_set_wakeup_enable(&bp->pdev->dev, bp->wol); 8394 8395 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) { 8396 bp->tx_quick_cons_trip_int = 8397 bp->tx_quick_cons_trip; 8398 bp->tx_ticks_int = bp->tx_ticks; 8399 bp->rx_quick_cons_trip_int = 8400 bp->rx_quick_cons_trip; 8401 bp->rx_ticks_int = bp->rx_ticks; 8402 bp->comp_prod_trip_int = bp->comp_prod_trip; 8403 bp->com_ticks_int = bp->com_ticks; 8404 bp->cmd_ticks_int = bp->cmd_ticks; 8405 } 8406 8407 /* Disable MSI on 5706 if AMD 8132 bridge is found. 8408 * 8409 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes 8410 * with byte enables disabled on the unused 32-bit word. This is legal 8411 * but causes problems on the AMD 8132 which will eventually stop 8412 * responding after a while. 8413 * 8414 * AMD believes this incompatibility is unique to the 5706, and 8415 * prefers to locally disable MSI rather than globally disabling it. 8416 */ 8417 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) { 8418 struct pci_dev *amd_8132 = NULL; 8419 8420 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD, 8421 PCI_DEVICE_ID_AMD_8132_BRIDGE, 8422 amd_8132))) { 8423 8424 if (amd_8132->revision >= 0x10 && 8425 amd_8132->revision <= 0x13) { 8426 disable_msi = 1; 8427 pci_dev_put(amd_8132); 8428 break; 8429 } 8430 } 8431 } 8432 8433 bnx2_set_default_link(bp); 8434 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; 8435 8436 init_timer(&bp->timer); 8437 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL); 8438 bp->timer.data = (unsigned long) bp; 8439 bp->timer.function = bnx2_timer; 8440 8441 #ifdef BCM_CNIC 8442 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN) 8443 bp->cnic_eth_dev.max_iscsi_conn = 8444 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) & 8445 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT; 8446 bp->cnic_probe = bnx2_cnic_probe; 8447 #endif 8448 pci_save_state(pdev); 8449 8450 return 0; 8451 8452 err_out_unmap: 8453 if (bp->flags & BNX2_FLAG_AER_ENABLED) { 8454 pci_disable_pcie_error_reporting(pdev); 8455 bp->flags &= ~BNX2_FLAG_AER_ENABLED; 8456 } 8457 8458 pci_iounmap(pdev, bp->regview); 8459 bp->regview = NULL; 8460 8461 err_out_release: 8462 pci_release_regions(pdev); 8463 8464 err_out_disable: 8465 pci_disable_device(pdev); 8466 8467 err_out: 8468 return rc; 8469 } 8470 8471 static char * 8472 bnx2_bus_string(struct bnx2 *bp, char *str) 8473 { 8474 char *s = str; 8475 8476 if (bp->flags & BNX2_FLAG_PCIE) { 8477 s += sprintf(s, "PCI Express"); 8478 } else { 8479 s += sprintf(s, "PCI"); 8480 if (bp->flags & BNX2_FLAG_PCIX) 8481 s += sprintf(s, "-X"); 8482 if (bp->flags & BNX2_FLAG_PCI_32BIT) 8483 s += sprintf(s, " 32-bit"); 8484 else 8485 s += sprintf(s, " 64-bit"); 8486 s += sprintf(s, " %dMHz", bp->bus_speed_mhz); 8487 } 8488 return str; 8489 } 8490 8491 static void 8492 bnx2_del_napi(struct bnx2 *bp) 8493 { 8494 int i; 8495 8496 for (i = 0; i < bp->irq_nvecs; i++) 8497 netif_napi_del(&bp->bnx2_napi[i].napi); 8498 } 8499 8500 static void 8501 bnx2_init_napi(struct bnx2 *bp) 8502 { 8503 int i; 8504 8505 for (i = 0; i < bp->irq_nvecs; i++) { 8506 struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; 8507 int (*poll)(struct napi_struct *, int); 8508 8509 if (i == 0) 8510 poll = bnx2_poll; 8511 else 8512 poll = bnx2_poll_msix; 8513 8514 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64); 8515 bnapi->bp = bp; 8516 } 8517 } 8518 8519 static const struct net_device_ops bnx2_netdev_ops = { 8520 .ndo_open = bnx2_open, 8521 .ndo_start_xmit = bnx2_start_xmit, 8522 .ndo_stop = bnx2_close, 8523 .ndo_get_stats64 = bnx2_get_stats64, 8524 .ndo_set_rx_mode = bnx2_set_rx_mode, 8525 .ndo_do_ioctl = bnx2_ioctl, 8526 .ndo_validate_addr = eth_validate_addr, 8527 .ndo_set_mac_address = bnx2_change_mac_addr, 8528 .ndo_change_mtu = bnx2_change_mtu, 8529 .ndo_fix_features = bnx2_fix_features, 8530 .ndo_set_features = bnx2_set_features, 8531 .ndo_tx_timeout = bnx2_tx_timeout, 8532 #ifdef CONFIG_NET_POLL_CONTROLLER 8533 .ndo_poll_controller = poll_bnx2, 8534 #endif 8535 }; 8536 8537 static int 8538 bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 8539 { 8540 static int version_printed = 0; 8541 struct net_device *dev; 8542 struct bnx2 *bp; 8543 int rc; 8544 char str[40]; 8545 8546 if (version_printed++ == 0) 8547 pr_info("%s", version); 8548 8549 /* dev zeroed in init_etherdev */ 8550 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS); 8551 if (!dev) 8552 return -ENOMEM; 8553 8554 rc = bnx2_init_board(pdev, dev); 8555 if (rc < 0) 8556 goto err_free; 8557 8558 dev->netdev_ops = &bnx2_netdev_ops; 8559 dev->watchdog_timeo = TX_TIMEOUT; 8560 dev->ethtool_ops = &bnx2_ethtool_ops; 8561 8562 bp = netdev_priv(dev); 8563 8564 pci_set_drvdata(pdev, dev); 8565 8566 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN); 8567 8568 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | 8569 NETIF_F_TSO | NETIF_F_TSO_ECN | 8570 NETIF_F_RXHASH | NETIF_F_RXCSUM; 8571 8572 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) 8573 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; 8574 8575 dev->vlan_features = dev->hw_features; 8576 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; 8577 dev->features |= dev->hw_features; 8578 dev->priv_flags |= IFF_UNICAST_FLT; 8579 8580 if ((rc = register_netdev(dev))) { 8581 dev_err(&pdev->dev, "Cannot register net device\n"); 8582 goto error; 8583 } 8584 8585 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, " 8586 "node addr %pM\n", board_info[ent->driver_data].name, 8587 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A', 8588 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4), 8589 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0), 8590 pdev->irq, dev->dev_addr); 8591 8592 return 0; 8593 8594 error: 8595 pci_iounmap(pdev, bp->regview); 8596 pci_release_regions(pdev); 8597 pci_disable_device(pdev); 8598 err_free: 8599 free_netdev(dev); 8600 return rc; 8601 } 8602 8603 static void 8604 bnx2_remove_one(struct pci_dev *pdev) 8605 { 8606 struct net_device *dev = pci_get_drvdata(pdev); 8607 struct bnx2 *bp = netdev_priv(dev); 8608 8609 unregister_netdev(dev); 8610 8611 del_timer_sync(&bp->timer); 8612 cancel_work_sync(&bp->reset_task); 8613 8614 pci_iounmap(bp->pdev, bp->regview); 8615 8616 kfree(bp->temp_stats_blk); 8617 8618 if (bp->flags & BNX2_FLAG_AER_ENABLED) { 8619 pci_disable_pcie_error_reporting(pdev); 8620 bp->flags &= ~BNX2_FLAG_AER_ENABLED; 8621 } 8622 8623 bnx2_release_firmware(bp); 8624 8625 free_netdev(dev); 8626 8627 pci_release_regions(pdev); 8628 pci_disable_device(pdev); 8629 } 8630 8631 #ifdef CONFIG_PM_SLEEP 8632 static int 8633 bnx2_suspend(struct device *device) 8634 { 8635 struct pci_dev *pdev = to_pci_dev(device); 8636 struct net_device *dev = pci_get_drvdata(pdev); 8637 struct bnx2 *bp = netdev_priv(dev); 8638 8639 if (netif_running(dev)) { 8640 cancel_work_sync(&bp->reset_task); 8641 bnx2_netif_stop(bp, true); 8642 netif_device_detach(dev); 8643 del_timer_sync(&bp->timer); 8644 bnx2_shutdown_chip(bp); 8645 __bnx2_free_irq(bp); 8646 bnx2_free_skbs(bp); 8647 } 8648 bnx2_setup_wol(bp); 8649 return 0; 8650 } 8651 8652 static int 8653 bnx2_resume(struct device *device) 8654 { 8655 struct pci_dev *pdev = to_pci_dev(device); 8656 struct net_device *dev = pci_get_drvdata(pdev); 8657 struct bnx2 *bp = netdev_priv(dev); 8658 8659 if (!netif_running(dev)) 8660 return 0; 8661 8662 bnx2_set_power_state(bp, PCI_D0); 8663 netif_device_attach(dev); 8664 bnx2_request_irq(bp); 8665 bnx2_init_nic(bp, 1); 8666 bnx2_netif_start(bp, true); 8667 return 0; 8668 } 8669 8670 static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume); 8671 #define BNX2_PM_OPS (&bnx2_pm_ops) 8672 8673 #else 8674 8675 #define BNX2_PM_OPS NULL 8676 8677 #endif /* CONFIG_PM_SLEEP */ 8678 /** 8679 * bnx2_io_error_detected - called when PCI error is detected 8680 * @pdev: Pointer to PCI device 8681 * @state: The current pci connection state 8682 * 8683 * This function is called after a PCI bus error affecting 8684 * this device has been detected. 8685 */ 8686 static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev, 8687 pci_channel_state_t state) 8688 { 8689 struct net_device *dev = pci_get_drvdata(pdev); 8690 struct bnx2 *bp = netdev_priv(dev); 8691 8692 rtnl_lock(); 8693 netif_device_detach(dev); 8694 8695 if (state == pci_channel_io_perm_failure) { 8696 rtnl_unlock(); 8697 return PCI_ERS_RESULT_DISCONNECT; 8698 } 8699 8700 if (netif_running(dev)) { 8701 bnx2_netif_stop(bp, true); 8702 del_timer_sync(&bp->timer); 8703 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 8704 } 8705 8706 pci_disable_device(pdev); 8707 rtnl_unlock(); 8708 8709 /* Request a slot slot reset. */ 8710 return PCI_ERS_RESULT_NEED_RESET; 8711 } 8712 8713 /** 8714 * bnx2_io_slot_reset - called after the pci bus has been reset. 8715 * @pdev: Pointer to PCI device 8716 * 8717 * Restart the card from scratch, as if from a cold-boot. 8718 */ 8719 static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev) 8720 { 8721 struct net_device *dev = pci_get_drvdata(pdev); 8722 struct bnx2 *bp = netdev_priv(dev); 8723 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT; 8724 int err = 0; 8725 8726 rtnl_lock(); 8727 if (pci_enable_device(pdev)) { 8728 dev_err(&pdev->dev, 8729 "Cannot re-enable PCI device after reset\n"); 8730 } else { 8731 pci_set_master(pdev); 8732 pci_restore_state(pdev); 8733 pci_save_state(pdev); 8734 8735 if (netif_running(dev)) 8736 err = bnx2_init_nic(bp, 1); 8737 8738 if (!err) 8739 result = PCI_ERS_RESULT_RECOVERED; 8740 } 8741 8742 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) { 8743 bnx2_napi_enable(bp); 8744 dev_close(dev); 8745 } 8746 rtnl_unlock(); 8747 8748 if (!(bp->flags & BNX2_FLAG_AER_ENABLED)) 8749 return result; 8750 8751 err = pci_cleanup_aer_uncorrect_error_status(pdev); 8752 if (err) { 8753 dev_err(&pdev->dev, 8754 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n", 8755 err); /* non-fatal, continue */ 8756 } 8757 8758 return result; 8759 } 8760 8761 /** 8762 * bnx2_io_resume - called when traffic can start flowing again. 8763 * @pdev: Pointer to PCI device 8764 * 8765 * This callback is called when the error recovery driver tells us that 8766 * its OK to resume normal operation. 8767 */ 8768 static void bnx2_io_resume(struct pci_dev *pdev) 8769 { 8770 struct net_device *dev = pci_get_drvdata(pdev); 8771 struct bnx2 *bp = netdev_priv(dev); 8772 8773 rtnl_lock(); 8774 if (netif_running(dev)) 8775 bnx2_netif_start(bp, true); 8776 8777 netif_device_attach(dev); 8778 rtnl_unlock(); 8779 } 8780 8781 static void bnx2_shutdown(struct pci_dev *pdev) 8782 { 8783 struct net_device *dev = pci_get_drvdata(pdev); 8784 struct bnx2 *bp; 8785 8786 if (!dev) 8787 return; 8788 8789 bp = netdev_priv(dev); 8790 if (!bp) 8791 return; 8792 8793 rtnl_lock(); 8794 if (netif_running(dev)) 8795 dev_close(bp->dev); 8796 8797 if (system_state == SYSTEM_POWER_OFF) 8798 bnx2_set_power_state(bp, PCI_D3hot); 8799 8800 rtnl_unlock(); 8801 } 8802 8803 static const struct pci_error_handlers bnx2_err_handler = { 8804 .error_detected = bnx2_io_error_detected, 8805 .slot_reset = bnx2_io_slot_reset, 8806 .resume = bnx2_io_resume, 8807 }; 8808 8809 static struct pci_driver bnx2_pci_driver = { 8810 .name = DRV_MODULE_NAME, 8811 .id_table = bnx2_pci_tbl, 8812 .probe = bnx2_init_one, 8813 .remove = bnx2_remove_one, 8814 .driver.pm = BNX2_PM_OPS, 8815 .err_handler = &bnx2_err_handler, 8816 .shutdown = bnx2_shutdown, 8817 }; 8818 8819 module_pci_driver(bnx2_pci_driver); 8820