1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 1999 - 2018 Intel Corporation. */ 3 4 #include <linux/pci.h> 5 #include <linux/delay.h> 6 #include <linux/sched.h> 7 8 #include "ixgbe.h" 9 #include "ixgbe_phy.h" 10 11 #define IXGBE_82598_MAX_TX_QUEUES 32 12 #define IXGBE_82598_MAX_RX_QUEUES 64 13 #define IXGBE_82598_RAR_ENTRIES 16 14 #define IXGBE_82598_MC_TBL_SIZE 128 15 #define IXGBE_82598_VFT_TBL_SIZE 128 16 #define IXGBE_82598_RX_PB_SIZE 512 17 18 static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, 19 ixgbe_link_speed speed, 20 bool autoneg_wait_to_complete); 21 static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, 22 u8 *eeprom_data); 23 24 /** 25 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout 26 * @hw: pointer to the HW structure 27 * 28 * The defaults for 82598 should be in the range of 50us to 50ms, 29 * however the hardware default for these parts is 500us to 1ms which is less 30 * than the 10ms recommended by the pci-e spec. To address this we need to 31 * increase the value to either 10ms to 250ms for capability version 1 config, 32 * or 16ms to 55ms for version 2. 33 **/ 34 static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) 35 { 36 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); 37 u16 pcie_devctl2; 38 39 if (ixgbe_removed(hw->hw_addr)) 40 return; 41 42 /* only take action if timeout value is defaulted to 0 */ 43 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK) 44 goto out; 45 46 /* 47 * if capababilities version is type 1 we can write the 48 * timeout of 10ms to 250ms through the GCR register 49 */ 50 if (!(gcr & IXGBE_GCR_CAP_VER2)) { 51 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms; 52 goto out; 53 } 54 55 /* 56 * for version 2 capabilities we need to write the config space 57 * directly in order to set the completion timeout value for 58 * 16ms to 55ms 59 */ 60 pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2); 61 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; 62 ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); 63 out: 64 /* disable completion timeout resend */ 65 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; 66 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); 67 } 68 69 static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) 70 { 71 struct ixgbe_mac_info *mac = &hw->mac; 72 73 /* Call PHY identify routine to get the phy type */ 74 ixgbe_identify_phy_generic(hw); 75 76 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE; 77 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE; 78 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES; 79 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE; 80 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES; 81 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES; 82 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); 83 84 return 0; 85 } 86 87 /** 88 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init 89 * @hw: pointer to hardware structure 90 * 91 * Initialize any function pointers that were not able to be 92 * set during get_invariants because the PHY/SFP type was 93 * not known. Perform the SFP init if necessary. 94 * 95 **/ 96 static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) 97 { 98 struct ixgbe_mac_info *mac = &hw->mac; 99 struct ixgbe_phy_info *phy = &hw->phy; 100 s32 ret_val; 101 u16 list_offset, data_offset; 102 103 /* Identify the PHY */ 104 phy->ops.identify(hw); 105 106 /* Overwrite the link function pointers if copper PHY */ 107 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { 108 mac->ops.setup_link = &ixgbe_setup_copper_link_82598; 109 mac->ops.get_link_capabilities = 110 &ixgbe_get_copper_link_capabilities_generic; 111 } 112 113 switch (hw->phy.type) { 114 case ixgbe_phy_tn: 115 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx; 116 phy->ops.check_link = &ixgbe_check_phy_link_tnx; 117 break; 118 case ixgbe_phy_nl: 119 phy->ops.reset = &ixgbe_reset_phy_nl; 120 121 /* Call SFP+ identify routine to get the SFP+ module type */ 122 ret_val = phy->ops.identify_sfp(hw); 123 if (ret_val) 124 return ret_val; 125 if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) 126 return -EOPNOTSUPP; 127 128 /* Check to see if SFP+ module is supported */ 129 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, 130 &list_offset, 131 &data_offset); 132 if (ret_val) 133 return -EOPNOTSUPP; 134 break; 135 default: 136 break; 137 } 138 139 return 0; 140 } 141 142 /** 143 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx 144 * @hw: pointer to hardware structure 145 * 146 * Starts the hardware using the generic start_hw function. 147 * Disables relaxed ordering for archs other than SPARC 148 * Then set pcie completion timeout 149 * 150 **/ 151 static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) 152 { 153 s32 ret_val; 154 155 ret_val = ixgbe_start_hw_generic(hw); 156 if (ret_val) 157 return ret_val; 158 159 /* set the completion timeout for interface */ 160 ixgbe_set_pcie_completion_timeout(hw); 161 162 return 0; 163 } 164 165 /** 166 * ixgbe_get_link_capabilities_82598 - Determines link capabilities 167 * @hw: pointer to hardware structure 168 * @speed: pointer to link speed 169 * @autoneg: boolean auto-negotiation value 170 * 171 * Determines the link capabilities by reading the AUTOC register. 172 **/ 173 static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, 174 ixgbe_link_speed *speed, 175 bool *autoneg) 176 { 177 u32 autoc = 0; 178 179 /* 180 * Determine link capabilities based on the stored value of AUTOC, 181 * which represents EEPROM defaults. If AUTOC value has not been 182 * stored, use the current register value. 183 */ 184 if (hw->mac.orig_link_settings_stored) 185 autoc = hw->mac.orig_autoc; 186 else 187 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); 188 189 switch (autoc & IXGBE_AUTOC_LMS_MASK) { 190 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: 191 *speed = IXGBE_LINK_SPEED_1GB_FULL; 192 *autoneg = false; 193 break; 194 195 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: 196 *speed = IXGBE_LINK_SPEED_10GB_FULL; 197 *autoneg = false; 198 break; 199 200 case IXGBE_AUTOC_LMS_1G_AN: 201 *speed = IXGBE_LINK_SPEED_1GB_FULL; 202 *autoneg = true; 203 break; 204 205 case IXGBE_AUTOC_LMS_KX4_AN: 206 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: 207 *speed = IXGBE_LINK_SPEED_UNKNOWN; 208 if (autoc & IXGBE_AUTOC_KX4_SUPP) 209 *speed |= IXGBE_LINK_SPEED_10GB_FULL; 210 if (autoc & IXGBE_AUTOC_KX_SUPP) 211 *speed |= IXGBE_LINK_SPEED_1GB_FULL; 212 *autoneg = true; 213 break; 214 215 default: 216 return -EIO; 217 } 218 219 return 0; 220 } 221 222 /** 223 * ixgbe_get_media_type_82598 - Determines media type 224 * @hw: pointer to hardware structure 225 * 226 * Returns the media type (fiber, copper, backplane) 227 **/ 228 static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) 229 { 230 /* Detect if there is a copper PHY attached. */ 231 switch (hw->phy.type) { 232 case ixgbe_phy_cu_unknown: 233 case ixgbe_phy_tn: 234 return ixgbe_media_type_copper; 235 236 default: 237 break; 238 } 239 240 /* Media type for I82598 is based on device ID */ 241 switch (hw->device_id) { 242 case IXGBE_DEV_ID_82598: 243 case IXGBE_DEV_ID_82598_BX: 244 /* Default device ID is mezzanine card KX/KX4 */ 245 return ixgbe_media_type_backplane; 246 247 case IXGBE_DEV_ID_82598AF_DUAL_PORT: 248 case IXGBE_DEV_ID_82598AF_SINGLE_PORT: 249 case IXGBE_DEV_ID_82598_DA_DUAL_PORT: 250 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: 251 case IXGBE_DEV_ID_82598EB_XF_LR: 252 case IXGBE_DEV_ID_82598EB_SFP_LOM: 253 return ixgbe_media_type_fiber; 254 255 case IXGBE_DEV_ID_82598EB_CX4: 256 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT: 257 return ixgbe_media_type_cx4; 258 259 case IXGBE_DEV_ID_82598AT: 260 case IXGBE_DEV_ID_82598AT2: 261 return ixgbe_media_type_copper; 262 263 default: 264 return ixgbe_media_type_unknown; 265 } 266 } 267 268 /** 269 * ixgbe_fc_enable_82598 - Enable flow control 270 * @hw: pointer to hardware structure 271 * 272 * Enable flow control according to the current settings. 273 **/ 274 static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) 275 { 276 u32 fctrl_reg; 277 u32 rmcs_reg; 278 u32 reg; 279 u32 fcrtl, fcrth; 280 u32 link_speed = 0; 281 int i; 282 bool link_up; 283 284 /* Validate the water mark configuration */ 285 if (!hw->fc.pause_time) 286 return -EINVAL; 287 288 /* Low water mark of zero causes XOFF floods */ 289 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { 290 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) && 291 hw->fc.high_water[i]) { 292 if (!hw->fc.low_water[i] || 293 hw->fc.low_water[i] >= hw->fc.high_water[i]) { 294 hw_dbg(hw, "Invalid water mark configuration\n"); 295 return -EINVAL; 296 } 297 } 298 } 299 300 /* 301 * On 82598 having Rx FC on causes resets while doing 1G 302 * so if it's on turn it off once we know link_speed. For 303 * more details see 82598 Specification update. 304 */ 305 hw->mac.ops.check_link(hw, &link_speed, &link_up, false); 306 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) { 307 switch (hw->fc.requested_mode) { 308 case ixgbe_fc_full: 309 hw->fc.requested_mode = ixgbe_fc_tx_pause; 310 break; 311 case ixgbe_fc_rx_pause: 312 hw->fc.requested_mode = ixgbe_fc_none; 313 break; 314 default: 315 /* no change */ 316 break; 317 } 318 } 319 320 /* Negotiate the fc mode to use */ 321 hw->mac.ops.fc_autoneg(hw); 322 323 /* Disable any previous flow control settings */ 324 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); 325 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE); 326 327 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS); 328 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X); 329 330 /* 331 * The possible values of fc.current_mode are: 332 * 0: Flow control is completely disabled 333 * 1: Rx flow control is enabled (we can receive pause frames, 334 * but not send pause frames). 335 * 2: Tx flow control is enabled (we can send pause frames but 336 * we do not support receiving pause frames). 337 * 3: Both Rx and Tx flow control (symmetric) are enabled. 338 * other: Invalid. 339 */ 340 switch (hw->fc.current_mode) { 341 case ixgbe_fc_none: 342 /* 343 * Flow control is disabled by software override or autoneg. 344 * The code below will actually disable it in the HW. 345 */ 346 break; 347 case ixgbe_fc_rx_pause: 348 /* 349 * Rx Flow control is enabled and Tx Flow control is 350 * disabled by software override. Since there really 351 * isn't a way to advertise that we are capable of RX 352 * Pause ONLY, we will advertise that we support both 353 * symmetric and asymmetric Rx PAUSE. Later, we will 354 * disable the adapter's ability to send PAUSE frames. 355 */ 356 fctrl_reg |= IXGBE_FCTRL_RFCE; 357 break; 358 case ixgbe_fc_tx_pause: 359 /* 360 * Tx Flow control is enabled, and Rx Flow control is 361 * disabled by software override. 362 */ 363 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; 364 break; 365 case ixgbe_fc_full: 366 /* Flow control (both Rx and Tx) is enabled by SW override. */ 367 fctrl_reg |= IXGBE_FCTRL_RFCE; 368 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; 369 break; 370 default: 371 hw_dbg(hw, "Flow control param set incorrectly\n"); 372 return -EIO; 373 } 374 375 /* Set 802.3x based flow control settings. */ 376 fctrl_reg |= IXGBE_FCTRL_DPF; 377 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg); 378 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg); 379 380 /* Set up and enable Rx high/low water mark thresholds, enable XON. */ 381 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { 382 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) && 383 hw->fc.high_water[i]) { 384 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE; 385 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN; 386 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl); 387 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth); 388 } else { 389 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0); 390 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0); 391 } 392 393 } 394 395 /* Configure pause time (2 TCs per register) */ 396 reg = hw->fc.pause_time * 0x00010001; 397 for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) 398 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); 399 400 /* Configure flow control refresh threshold value */ 401 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2); 402 403 return 0; 404 } 405 406 /** 407 * ixgbe_start_mac_link_82598 - Configures MAC link settings 408 * @hw: pointer to hardware structure 409 * @autoneg_wait_to_complete: true when waiting for completion is needed 410 * 411 * Configures link settings based on values in the ixgbe_hw struct. 412 * Restarts the link. Performs autonegotiation if needed. 413 **/ 414 static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, 415 bool autoneg_wait_to_complete) 416 { 417 u32 autoc_reg; 418 u32 links_reg; 419 u32 i; 420 s32 status = 0; 421 422 /* Restart link */ 423 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); 424 autoc_reg |= IXGBE_AUTOC_AN_RESTART; 425 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); 426 427 /* Only poll for autoneg to complete if specified to do so */ 428 if (autoneg_wait_to_complete) { 429 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == 430 IXGBE_AUTOC_LMS_KX4_AN || 431 (autoc_reg & IXGBE_AUTOC_LMS_MASK) == 432 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { 433 links_reg = 0; /* Just in case Autoneg time = 0 */ 434 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { 435 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); 436 if (links_reg & IXGBE_LINKS_KX_AN_COMP) 437 break; 438 msleep(100); 439 } 440 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { 441 status = -EIO; 442 hw_dbg(hw, "Autonegotiation did not complete.\n"); 443 } 444 } 445 } 446 447 /* Add delay to filter out noises during initial link setup */ 448 msleep(50); 449 450 return status; 451 } 452 453 /** 454 * ixgbe_validate_link_ready - Function looks for phy link 455 * @hw: pointer to hardware structure 456 * 457 * Function indicates success when phy link is available. If phy is not ready 458 * within 5 seconds of MAC indicating link, the function returns error. 459 **/ 460 static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) 461 { 462 u32 timeout; 463 u16 an_reg; 464 465 if (hw->device_id != IXGBE_DEV_ID_82598AT2) 466 return 0; 467 468 for (timeout = 0; 469 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) { 470 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg); 471 472 if ((an_reg & MDIO_AN_STAT1_COMPLETE) && 473 (an_reg & MDIO_STAT1_LSTATUS)) 474 break; 475 476 msleep(100); 477 } 478 479 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) { 480 hw_dbg(hw, "Link was indicated but link is down\n"); 481 return -EIO; 482 } 483 484 return 0; 485 } 486 487 /** 488 * ixgbe_check_mac_link_82598 - Get link/speed status 489 * @hw: pointer to hardware structure 490 * @speed: pointer to link speed 491 * @link_up: true is link is up, false otherwise 492 * @link_up_wait_to_complete: bool used to wait for link up or not 493 * 494 * Reads the links register to determine if link is up and the current speed 495 **/ 496 static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, 497 ixgbe_link_speed *speed, bool *link_up, 498 bool link_up_wait_to_complete) 499 { 500 u32 links_reg; 501 u32 i; 502 u16 link_reg, adapt_comp_reg; 503 504 /* 505 * SERDES PHY requires us to read link status from register 0xC79F. 506 * Bit 0 set indicates link is up/ready; clear indicates link down. 507 * 0xC00C is read to check that the XAUI lanes are active. Bit 0 508 * clear indicates active; set indicates inactive. 509 */ 510 if (hw->phy.type == ixgbe_phy_nl) { 511 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); 512 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); 513 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD, 514 &adapt_comp_reg); 515 if (link_up_wait_to_complete) { 516 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { 517 if ((link_reg & 1) && 518 ((adapt_comp_reg & 1) == 0)) { 519 *link_up = true; 520 break; 521 } else { 522 *link_up = false; 523 } 524 msleep(100); 525 hw->phy.ops.read_reg(hw, 0xC79F, 526 MDIO_MMD_PMAPMD, 527 &link_reg); 528 hw->phy.ops.read_reg(hw, 0xC00C, 529 MDIO_MMD_PMAPMD, 530 &adapt_comp_reg); 531 } 532 } else { 533 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0)) 534 *link_up = true; 535 else 536 *link_up = false; 537 } 538 539 if (!*link_up) 540 return 0; 541 } 542 543 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); 544 if (link_up_wait_to_complete) { 545 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { 546 if (links_reg & IXGBE_LINKS_UP) { 547 *link_up = true; 548 break; 549 } else { 550 *link_up = false; 551 } 552 msleep(100); 553 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); 554 } 555 } else { 556 if (links_reg & IXGBE_LINKS_UP) 557 *link_up = true; 558 else 559 *link_up = false; 560 } 561 562 if (links_reg & IXGBE_LINKS_SPEED) 563 *speed = IXGBE_LINK_SPEED_10GB_FULL; 564 else 565 *speed = IXGBE_LINK_SPEED_1GB_FULL; 566 567 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up && 568 (ixgbe_validate_link_ready(hw) != 0)) 569 *link_up = false; 570 571 return 0; 572 } 573 574 /** 575 * ixgbe_setup_mac_link_82598 - Set MAC link speed 576 * @hw: pointer to hardware structure 577 * @speed: new link speed 578 * @autoneg_wait_to_complete: true when waiting for completion is needed 579 * 580 * Set the link speed in the AUTOC register and restarts link. 581 **/ 582 static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, 583 ixgbe_link_speed speed, 584 bool autoneg_wait_to_complete) 585 { 586 bool autoneg = false; 587 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; 588 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); 589 u32 autoc = curr_autoc; 590 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; 591 592 /* Check to see if speed passed in is supported. */ 593 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg); 594 speed &= link_capabilities; 595 596 if (speed == IXGBE_LINK_SPEED_UNKNOWN) 597 return -EINVAL; 598 599 /* Set KX4/KX support according to speed requested */ 600 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN || 601 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { 602 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK; 603 if (speed & IXGBE_LINK_SPEED_10GB_FULL) 604 autoc |= IXGBE_AUTOC_KX4_SUPP; 605 if (speed & IXGBE_LINK_SPEED_1GB_FULL) 606 autoc |= IXGBE_AUTOC_KX_SUPP; 607 if (autoc != curr_autoc) 608 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); 609 } 610 611 /* Setup and restart the link based on the new values in 612 * ixgbe_hw This will write the AUTOC register based on the new 613 * stored values 614 */ 615 return ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); 616 } 617 618 619 /** 620 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field 621 * @hw: pointer to hardware structure 622 * @speed: new link speed 623 * @autoneg_wait_to_complete: true if waiting is needed to complete 624 * 625 * Sets the link speed in the AUTOC register in the MAC and restarts link. 626 **/ 627 static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, 628 ixgbe_link_speed speed, 629 bool autoneg_wait_to_complete) 630 { 631 s32 status; 632 633 /* Setup the PHY according to input speed */ 634 status = hw->phy.ops.setup_link_speed(hw, speed, 635 autoneg_wait_to_complete); 636 /* Set up MAC */ 637 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); 638 639 return status; 640 } 641 642 /** 643 * ixgbe_reset_hw_82598 - Performs hardware reset 644 * @hw: pointer to hardware structure 645 * 646 * Resets the hardware by resetting the transmit and receive units, masks and 647 * clears all interrupts, performing a PHY reset, and performing a link (MAC) 648 * reset. 649 **/ 650 static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) 651 { 652 s32 status; 653 s32 phy_status = 0; 654 u32 ctrl; 655 u32 gheccr; 656 u32 i; 657 u32 autoc; 658 u8 analog_val; 659 660 /* Call adapter stop to disable tx/rx and clear interrupts */ 661 status = hw->mac.ops.stop_adapter(hw); 662 if (status) 663 return status; 664 665 /* 666 * Power up the Atlas Tx lanes if they are currently powered down. 667 * Atlas Tx lanes are powered down for MAC loopback tests, but 668 * they are not automatically restored on reset. 669 */ 670 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val); 671 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) { 672 /* Enable Tx Atlas so packets can be transmitted again */ 673 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, 674 &analog_val); 675 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN; 676 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, 677 analog_val); 678 679 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, 680 &analog_val); 681 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL; 682 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, 683 analog_val); 684 685 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, 686 &analog_val); 687 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL; 688 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, 689 analog_val); 690 691 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, 692 &analog_val); 693 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL; 694 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, 695 analog_val); 696 } 697 698 /* Reset PHY */ 699 if (hw->phy.reset_disable == false) { 700 /* PHY ops must be identified and initialized prior to reset */ 701 702 /* Init PHY and function pointers, perform SFP setup */ 703 phy_status = hw->phy.ops.init(hw); 704 if (phy_status == -EOPNOTSUPP) 705 return phy_status; 706 if (phy_status == -ENOENT) 707 goto mac_reset_top; 708 709 hw->phy.ops.reset(hw); 710 } 711 712 mac_reset_top: 713 /* 714 * Issue global reset to the MAC. This needs to be a SW reset. 715 * If link reset is used, it might reset the MAC when mng is using it 716 */ 717 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST; 718 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); 719 IXGBE_WRITE_FLUSH(hw); 720 usleep_range(1000, 1200); 721 722 /* Poll for reset bit to self-clear indicating reset is complete */ 723 for (i = 0; i < 10; i++) { 724 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); 725 if (!(ctrl & IXGBE_CTRL_RST)) 726 break; 727 udelay(1); 728 } 729 if (ctrl & IXGBE_CTRL_RST) { 730 status = -EIO; 731 hw_dbg(hw, "Reset polling failed to complete.\n"); 732 } 733 734 msleep(50); 735 736 /* 737 * Double resets are required for recovery from certain error 738 * conditions. Between resets, it is necessary to stall to allow time 739 * for any pending HW events to complete. 740 */ 741 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { 742 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; 743 goto mac_reset_top; 744 } 745 746 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR); 747 gheccr &= ~(BIT(21) | BIT(18) | BIT(9) | BIT(6)); 748 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr); 749 750 /* 751 * Store the original AUTOC value if it has not been 752 * stored off yet. Otherwise restore the stored original 753 * AUTOC value since the reset operation sets back to deaults. 754 */ 755 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); 756 if (hw->mac.orig_link_settings_stored == false) { 757 hw->mac.orig_autoc = autoc; 758 hw->mac.orig_link_settings_stored = true; 759 } else if (autoc != hw->mac.orig_autoc) { 760 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc); 761 } 762 763 /* Store the permanent mac address */ 764 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); 765 766 /* 767 * Store MAC address from RAR0, clear receive address registers, and 768 * clear the multicast table 769 */ 770 hw->mac.ops.init_rx_addrs(hw); 771 772 if (phy_status) 773 status = phy_status; 774 775 return status; 776 } 777 778 /** 779 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address 780 * @hw: pointer to hardware struct 781 * @rar: receive address register index to associate with a VMDq index 782 * @vmdq: VMDq set index 783 **/ 784 static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) 785 { 786 u32 rar_high; 787 u32 rar_entries = hw->mac.num_rar_entries; 788 789 /* Make sure we are using a valid rar index range */ 790 if (rar >= rar_entries) { 791 hw_dbg(hw, "RAR index %d is out of range.\n", rar); 792 return -EINVAL; 793 } 794 795 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); 796 rar_high &= ~IXGBE_RAH_VIND_MASK; 797 rar_high |= FIELD_PREP(IXGBE_RAH_VIND_MASK, vmdq); 798 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); 799 return 0; 800 } 801 802 /** 803 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address 804 * @hw: pointer to hardware struct 805 * @rar: receive address register index to associate with a VMDq index 806 * @vmdq: VMDq clear index (not used in 82598, but elsewhere) 807 **/ 808 static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) 809 { 810 u32 rar_high; 811 u32 rar_entries = hw->mac.num_rar_entries; 812 813 814 /* Make sure we are using a valid rar index range */ 815 if (rar >= rar_entries) { 816 hw_dbg(hw, "RAR index %d is out of range.\n", rar); 817 return -EINVAL; 818 } 819 820 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); 821 if (rar_high & IXGBE_RAH_VIND_MASK) { 822 rar_high &= ~IXGBE_RAH_VIND_MASK; 823 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); 824 } 825 826 return 0; 827 } 828 829 /** 830 * ixgbe_set_vfta_82598 - Set VLAN filter table 831 * @hw: pointer to hardware structure 832 * @vlan: VLAN id to write to VLAN filter 833 * @vind: VMDq output index that maps queue to VLAN id in VFTA 834 * @vlan_on: boolean flag to turn on/off VLAN in VFTA 835 * @vlvf_bypass: boolean flag - unused 836 * 837 * Turn on/off specified VLAN in the VLAN filter table. 838 **/ 839 static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, 840 bool vlan_on, bool vlvf_bypass) 841 { 842 u32 regindex; 843 u32 bitindex; 844 u32 bits; 845 u32 vftabyte; 846 847 if (vlan > 4095) 848 return -EINVAL; 849 850 /* Determine 32-bit word position in array */ 851 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */ 852 853 /* Determine the location of the (VMD) queue index */ 854 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */ 855 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */ 856 857 /* Set the nibble for VMD queue index */ 858 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex)); 859 bits &= (~(0x0F << bitindex)); 860 bits |= (vind << bitindex); 861 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits); 862 863 /* Determine the location of the bit for this VLAN id */ 864 bitindex = vlan & 0x1F; /* lower five bits */ 865 866 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); 867 if (vlan_on) 868 /* Turn on this VLAN id */ 869 bits |= BIT(bitindex); 870 else 871 /* Turn off this VLAN id */ 872 bits &= ~BIT(bitindex); 873 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits); 874 875 return 0; 876 } 877 878 /** 879 * ixgbe_clear_vfta_82598 - Clear VLAN filter table 880 * @hw: pointer to hardware structure 881 * 882 * Clears the VLAN filter table, and the VMDq index associated with the filter 883 **/ 884 static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) 885 { 886 u32 offset; 887 u32 vlanbyte; 888 889 for (offset = 0; offset < hw->mac.vft_size; offset++) 890 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0); 891 892 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++) 893 for (offset = 0; offset < hw->mac.vft_size; offset++) 894 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset), 895 0); 896 897 return 0; 898 } 899 900 /** 901 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register 902 * @hw: pointer to hardware structure 903 * @reg: analog register to read 904 * @val: read value 905 * 906 * Performs read operation to Atlas analog register specified. 907 **/ 908 static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) 909 { 910 u32 atlas_ctl; 911 912 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, 913 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8)); 914 IXGBE_WRITE_FLUSH(hw); 915 udelay(10); 916 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); 917 *val = (u8)atlas_ctl; 918 919 return 0; 920 } 921 922 /** 923 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register 924 * @hw: pointer to hardware structure 925 * @reg: atlas register to write 926 * @val: value to write 927 * 928 * Performs write operation to Atlas analog register specified. 929 **/ 930 static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) 931 { 932 u32 atlas_ctl; 933 934 atlas_ctl = (reg << 8) | val; 935 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl); 936 IXGBE_WRITE_FLUSH(hw); 937 udelay(10); 938 939 return 0; 940 } 941 942 /** 943 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface. 944 * @hw: pointer to hardware structure 945 * @dev_addr: address to read from 946 * @byte_offset: byte offset to read from dev_addr 947 * @eeprom_data: value read 948 * 949 * Performs 8 byte read operation to SFP module's data over I2C interface. 950 **/ 951 static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, 952 u8 byte_offset, u8 *eeprom_data) 953 { 954 s32 status = 0; 955 u16 sfp_addr = 0; 956 u16 sfp_data = 0; 957 u16 sfp_stat = 0; 958 u16 gssr; 959 u32 i; 960 961 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1) 962 gssr = IXGBE_GSSR_PHY1_SM; 963 else 964 gssr = IXGBE_GSSR_PHY0_SM; 965 966 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0) 967 return -EBUSY; 968 969 if (hw->phy.type == ixgbe_phy_nl) { 970 /* 971 * phy SDA/SCL registers are at addresses 0xC30A to 972 * 0xC30D. These registers are used to talk to the SFP+ 973 * module's EEPROM through the SDA/SCL (I2C) interface. 974 */ 975 sfp_addr = (dev_addr << 8) + byte_offset; 976 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK); 977 hw->phy.ops.write_reg_mdi(hw, 978 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR, 979 MDIO_MMD_PMAPMD, 980 sfp_addr); 981 982 /* Poll status */ 983 for (i = 0; i < 100; i++) { 984 hw->phy.ops.read_reg_mdi(hw, 985 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT, 986 MDIO_MMD_PMAPMD, 987 &sfp_stat); 988 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK; 989 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS) 990 break; 991 usleep_range(10000, 20000); 992 } 993 994 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) { 995 hw_dbg(hw, "EEPROM read did not pass.\n"); 996 status = -ENOENT; 997 goto out; 998 } 999 1000 /* Read data */ 1001 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA, 1002 MDIO_MMD_PMAPMD, &sfp_data); 1003 1004 *eeprom_data = (u8)(sfp_data >> 8); 1005 } else { 1006 status = -EIO; 1007 } 1008 1009 out: 1010 hw->mac.ops.release_swfw_sync(hw, gssr); 1011 return status; 1012 } 1013 1014 /** 1015 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface. 1016 * @hw: pointer to hardware structure 1017 * @byte_offset: EEPROM byte offset to read 1018 * @eeprom_data: value read 1019 * 1020 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface. 1021 **/ 1022 static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, 1023 u8 *eeprom_data) 1024 { 1025 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR, 1026 byte_offset, eeprom_data); 1027 } 1028 1029 /** 1030 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface. 1031 * @hw: pointer to hardware structure 1032 * @byte_offset: byte offset at address 0xA2 1033 * @sff8472_data: value read 1034 * 1035 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C 1036 **/ 1037 static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset, 1038 u8 *sff8472_data) 1039 { 1040 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2, 1041 byte_offset, sff8472_data); 1042 } 1043 1044 /** 1045 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple 1046 * port devices. 1047 * @hw: pointer to the HW structure 1048 * 1049 * Calls common function and corrects issue with some single port devices 1050 * that enable LAN1 but not LAN0. 1051 **/ 1052 static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw) 1053 { 1054 struct ixgbe_bus_info *bus = &hw->bus; 1055 u16 pci_gen = 0; 1056 u16 pci_ctrl2 = 0; 1057 1058 ixgbe_set_lan_id_multi_port_pcie(hw); 1059 1060 /* check if LAN0 is disabled */ 1061 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen); 1062 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) { 1063 1064 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2); 1065 1066 /* if LAN0 is completely disabled force function to 0 */ 1067 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) && 1068 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) && 1069 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) { 1070 1071 bus->func = 0; 1072 } 1073 } 1074 } 1075 1076 /** 1077 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer 1078 * @hw: pointer to hardware structure 1079 * @num_pb: number of packet buffers to allocate 1080 * @headroom: reserve n KB of headroom 1081 * @strategy: packet buffer allocation strategy 1082 **/ 1083 static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, 1084 u32 headroom, int strategy) 1085 { 1086 u32 rxpktsize = IXGBE_RXPBSIZE_64KB; 1087 u8 i = 0; 1088 1089 if (!num_pb) 1090 return; 1091 1092 /* Setup Rx packet buffer sizes */ 1093 switch (strategy) { 1094 case PBA_STRATEGY_WEIGHTED: 1095 /* Setup the first four at 80KB */ 1096 rxpktsize = IXGBE_RXPBSIZE_80KB; 1097 for (; i < 4; i++) 1098 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize); 1099 /* Setup the last four at 48KB...don't re-init i */ 1100 rxpktsize = IXGBE_RXPBSIZE_48KB; 1101 fallthrough; 1102 case PBA_STRATEGY_EQUAL: 1103 default: 1104 /* Divide the remaining Rx packet buffer evenly among the TCs */ 1105 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++) 1106 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize); 1107 break; 1108 } 1109 1110 /* Setup Tx packet buffer sizes */ 1111 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) 1112 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB); 1113 } 1114 1115 static const struct ixgbe_mac_operations mac_ops_82598 = { 1116 .init_hw = &ixgbe_init_hw_generic, 1117 .reset_hw = &ixgbe_reset_hw_82598, 1118 .start_hw = &ixgbe_start_hw_82598, 1119 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, 1120 .get_media_type = &ixgbe_get_media_type_82598, 1121 .enable_rx_dma = &ixgbe_enable_rx_dma_generic, 1122 .get_mac_addr = &ixgbe_get_mac_addr_generic, 1123 .stop_adapter = &ixgbe_stop_adapter_generic, 1124 .get_bus_info = &ixgbe_get_bus_info_generic, 1125 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598, 1126 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598, 1127 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598, 1128 .setup_link = &ixgbe_setup_mac_link_82598, 1129 .set_rxpba = &ixgbe_set_rxpba_82598, 1130 .check_link = &ixgbe_check_mac_link_82598, 1131 .get_link_capabilities = &ixgbe_get_link_capabilities_82598, 1132 .led_on = &ixgbe_led_on_generic, 1133 .led_off = &ixgbe_led_off_generic, 1134 .init_led_link_act = ixgbe_init_led_link_act_generic, 1135 .blink_led_start = &ixgbe_blink_led_start_generic, 1136 .blink_led_stop = &ixgbe_blink_led_stop_generic, 1137 .set_rar = &ixgbe_set_rar_generic, 1138 .clear_rar = &ixgbe_clear_rar_generic, 1139 .set_vmdq = &ixgbe_set_vmdq_82598, 1140 .clear_vmdq = &ixgbe_clear_vmdq_82598, 1141 .init_rx_addrs = &ixgbe_init_rx_addrs_generic, 1142 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, 1143 .enable_mc = &ixgbe_enable_mc_generic, 1144 .disable_mc = &ixgbe_disable_mc_generic, 1145 .clear_vfta = &ixgbe_clear_vfta_82598, 1146 .set_vfta = &ixgbe_set_vfta_82598, 1147 .fc_enable = &ixgbe_fc_enable_82598, 1148 .setup_fc = ixgbe_setup_fc_generic, 1149 .fc_autoneg = ixgbe_fc_autoneg, 1150 .set_fw_drv_ver = NULL, 1151 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync, 1152 .release_swfw_sync = &ixgbe_release_swfw_sync, 1153 .init_swfw_sync = NULL, 1154 .get_thermal_sensor_data = NULL, 1155 .init_thermal_sensor_thresh = NULL, 1156 .prot_autoc_read = &prot_autoc_read_generic, 1157 .prot_autoc_write = &prot_autoc_write_generic, 1158 .enable_rx = &ixgbe_enable_rx_generic, 1159 .disable_rx = &ixgbe_disable_rx_generic, 1160 }; 1161 1162 static const struct ixgbe_eeprom_operations eeprom_ops_82598 = { 1163 .init_params = &ixgbe_init_eeprom_params_generic, 1164 .read = &ixgbe_read_eerd_generic, 1165 .write = &ixgbe_write_eeprom_generic, 1166 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic, 1167 .read_buffer = &ixgbe_read_eerd_buffer_generic, 1168 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, 1169 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, 1170 .update_checksum = &ixgbe_update_eeprom_checksum_generic, 1171 }; 1172 1173 static const struct ixgbe_phy_operations phy_ops_82598 = { 1174 .identify = &ixgbe_identify_phy_generic, 1175 .identify_sfp = &ixgbe_identify_module_generic, 1176 .init = &ixgbe_init_phy_ops_82598, 1177 .reset = &ixgbe_reset_phy_generic, 1178 .read_reg = &ixgbe_read_phy_reg_generic, 1179 .write_reg = &ixgbe_write_phy_reg_generic, 1180 .read_reg_mdi = &ixgbe_read_phy_reg_mdi, 1181 .write_reg_mdi = &ixgbe_write_phy_reg_mdi, 1182 .setup_link = &ixgbe_setup_phy_link_generic, 1183 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, 1184 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598, 1185 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598, 1186 .check_overtemp = &ixgbe_tn_check_overtemp, 1187 }; 1188 1189 const struct ixgbe_info ixgbe_82598_info = { 1190 .mac = ixgbe_mac_82598EB, 1191 .get_invariants = &ixgbe_get_invariants_82598, 1192 .mac_ops = &mac_ops_82598, 1193 .eeprom_ops = &eeprom_ops_82598, 1194 .phy_ops = &phy_ops_82598, 1195 .mvals = ixgbe_mvals_8259X, 1196 }; 1197