1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 1999 - 2018 Intel Corporation. */ 3 4 /* ethtool support for e1000 */ 5 6 #include <linux/netdevice.h> 7 #include <linux/interrupt.h> 8 #include <linux/ethtool.h> 9 #include <linux/pci.h> 10 #include <linux/slab.h> 11 #include <linux/delay.h> 12 #include <linux/vmalloc.h> 13 #include <linux/pm_runtime.h> 14 15 #include "e1000.h" 16 17 enum { NETDEV_STATS, E1000_STATS }; 18 19 struct e1000_stats { 20 char stat_string[ETH_GSTRING_LEN]; 21 int type; 22 int sizeof_stat; 23 int stat_offset; 24 }; 25 26 static const char e1000e_priv_flags_strings[][ETH_GSTRING_LEN] = { 27 #define E1000E_PRIV_FLAGS_S0IX_ENABLED BIT(0) 28 "s0ix-enabled", 29 #define E1000E_PRIV_FLAGS_DISABLE_K1 BIT(1) 30 "disable-k1", 31 }; 32 33 #define E1000E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(e1000e_priv_flags_strings) 34 35 #define E1000_STAT(str, m) { \ 36 .stat_string = str, \ 37 .type = E1000_STATS, \ 38 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ 39 .stat_offset = offsetof(struct e1000_adapter, m) } 40 #define E1000_NETDEV_STAT(str, m) { \ 41 .stat_string = str, \ 42 .type = NETDEV_STATS, \ 43 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ 44 .stat_offset = offsetof(struct rtnl_link_stats64, m) } 45 46 static const struct e1000_stats e1000_gstrings_stats[] = { 47 E1000_STAT("rx_packets", stats.gprc), 48 E1000_STAT("tx_packets", stats.gptc), 49 E1000_STAT("rx_bytes", stats.gorc), 50 E1000_STAT("tx_bytes", stats.gotc), 51 E1000_STAT("rx_broadcast", stats.bprc), 52 E1000_STAT("tx_broadcast", stats.bptc), 53 E1000_STAT("rx_multicast", stats.mprc), 54 E1000_STAT("tx_multicast", stats.mptc), 55 E1000_NETDEV_STAT("rx_errors", rx_errors), 56 E1000_NETDEV_STAT("tx_errors", tx_errors), 57 E1000_NETDEV_STAT("tx_dropped", tx_dropped), 58 E1000_STAT("multicast", stats.mprc), 59 E1000_STAT("collisions", stats.colc), 60 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), 61 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), 62 E1000_STAT("rx_crc_errors", stats.crcerrs), 63 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), 64 E1000_STAT("rx_no_buffer_count", stats.rnbc), 65 E1000_STAT("rx_missed_errors", stats.mpc), 66 E1000_STAT("tx_aborted_errors", stats.ecol), 67 E1000_STAT("tx_carrier_errors", stats.tncrs), 68 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), 69 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), 70 E1000_STAT("tx_window_errors", stats.latecol), 71 E1000_STAT("tx_abort_late_coll", stats.latecol), 72 E1000_STAT("tx_deferred_ok", stats.dc), 73 E1000_STAT("tx_single_coll_ok", stats.scc), 74 E1000_STAT("tx_multi_coll_ok", stats.mcc), 75 E1000_STAT("tx_timeout_count", tx_timeout_count), 76 E1000_STAT("tx_restart_queue", restart_queue), 77 E1000_STAT("rx_long_length_errors", stats.roc), 78 E1000_STAT("rx_short_length_errors", stats.ruc), 79 E1000_STAT("rx_align_errors", stats.algnerrc), 80 E1000_STAT("tx_tcp_seg_good", stats.tsctc), 81 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), 82 E1000_STAT("rx_flow_control_xon", stats.xonrxc), 83 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), 84 E1000_STAT("tx_flow_control_xon", stats.xontxc), 85 E1000_STAT("tx_flow_control_xoff", stats.xofftxc), 86 E1000_STAT("rx_csum_offload_good", hw_csum_good), 87 E1000_STAT("rx_csum_offload_errors", hw_csum_err), 88 E1000_STAT("rx_header_split", rx_hdr_split), 89 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), 90 E1000_STAT("tx_smbus", stats.mgptc), 91 E1000_STAT("rx_smbus", stats.mgprc), 92 E1000_STAT("dropped_smbus", stats.mgpdc), 93 E1000_STAT("rx_dma_failed", rx_dma_failed), 94 E1000_STAT("tx_dma_failed", tx_dma_failed), 95 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 96 E1000_STAT("uncorr_ecc_errors", uncorr_errors), 97 E1000_STAT("corr_ecc_errors", corr_errors), 98 E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts), 99 E1000_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped), 100 }; 101 102 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) 103 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) 104 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { 105 "Register test (offline)", "Eeprom test (offline)", 106 "Interrupt test (offline)", "Loopback test (offline)", 107 "Link test (on/offline)" 108 }; 109 110 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) 111 112 static int e1000_get_link_ksettings(struct net_device *netdev, 113 struct ethtool_link_ksettings *cmd) 114 { 115 u32 speed, supported, advertising, lp_advertising, lpa_t; 116 struct e1000_adapter *adapter = netdev_priv(netdev); 117 struct e1000_hw *hw = &adapter->hw; 118 119 if (hw->phy.media_type == e1000_media_type_copper) { 120 supported = (SUPPORTED_10baseT_Half | 121 SUPPORTED_10baseT_Full | 122 SUPPORTED_100baseT_Half | 123 SUPPORTED_100baseT_Full | 124 SUPPORTED_1000baseT_Full | 125 SUPPORTED_Asym_Pause | 126 SUPPORTED_Autoneg | 127 SUPPORTED_Pause | 128 SUPPORTED_TP); 129 if (hw->phy.type == e1000_phy_ife) 130 supported &= ~SUPPORTED_1000baseT_Full; 131 advertising = ADVERTISED_TP; 132 133 if (hw->mac.autoneg == 1) { 134 advertising |= ADVERTISED_Autoneg; 135 /* the e1000 autoneg seems to match ethtool nicely */ 136 advertising |= hw->phy.autoneg_advertised; 137 } 138 139 cmd->base.port = PORT_TP; 140 cmd->base.phy_address = hw->phy.addr; 141 } else { 142 supported = (SUPPORTED_1000baseT_Full | 143 SUPPORTED_FIBRE | 144 SUPPORTED_Autoneg); 145 146 advertising = (ADVERTISED_1000baseT_Full | 147 ADVERTISED_FIBRE | 148 ADVERTISED_Autoneg); 149 150 cmd->base.port = PORT_FIBRE; 151 } 152 153 speed = SPEED_UNKNOWN; 154 cmd->base.duplex = DUPLEX_UNKNOWN; 155 156 if (netif_running(netdev)) { 157 if (netif_carrier_ok(netdev)) { 158 speed = adapter->link_speed; 159 cmd->base.duplex = adapter->link_duplex - 1; 160 } 161 } else { 162 u32 status = er32(STATUS); 163 164 if (status & E1000_STATUS_LU) { 165 if (status & E1000_STATUS_SPEED_1000) 166 speed = SPEED_1000; 167 else if (status & E1000_STATUS_SPEED_100) 168 speed = SPEED_100; 169 else 170 speed = SPEED_10; 171 172 if (status & E1000_STATUS_FD) 173 cmd->base.duplex = DUPLEX_FULL; 174 else 175 cmd->base.duplex = DUPLEX_HALF; 176 } 177 } 178 179 cmd->base.speed = speed; 180 cmd->base.autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || 181 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; 182 183 /* MDI-X => 2; MDI =>1; Invalid =>0 */ 184 if ((hw->phy.media_type == e1000_media_type_copper) && 185 netif_carrier_ok(netdev)) 186 cmd->base.eth_tp_mdix = hw->phy.is_mdix ? 187 ETH_TP_MDI_X : ETH_TP_MDI; 188 else 189 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; 190 191 if (hw->phy.mdix == AUTO_ALL_MODES) 192 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; 193 else 194 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix; 195 196 if (hw->phy.media_type != e1000_media_type_copper) 197 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; 198 199 lpa_t = mii_stat1000_to_ethtool_lpa_t(adapter->phy_regs.stat1000); 200 lp_advertising = lpa_t | 201 mii_lpa_to_ethtool_lpa_t(adapter->phy_regs.lpa); 202 203 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 204 supported); 205 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 206 advertising); 207 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising, 208 lp_advertising); 209 210 return 0; 211 } 212 213 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) 214 { 215 struct e1000_mac_info *mac = &adapter->hw.mac; 216 217 mac->autoneg = 0; 218 219 /* Make sure dplx is at most 1 bit and lsb of speed is not set 220 * for the switch() below to work 221 */ 222 if ((spd & 1) || (dplx & ~1)) 223 goto err_inval; 224 225 /* Fiber NICs only allow 1000 gbps Full duplex */ 226 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && 227 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) { 228 goto err_inval; 229 } 230 231 switch (spd + dplx) { 232 case SPEED_10 + DUPLEX_HALF: 233 mac->forced_speed_duplex = ADVERTISE_10_HALF; 234 break; 235 case SPEED_10 + DUPLEX_FULL: 236 mac->forced_speed_duplex = ADVERTISE_10_FULL; 237 break; 238 case SPEED_100 + DUPLEX_HALF: 239 mac->forced_speed_duplex = ADVERTISE_100_HALF; 240 break; 241 case SPEED_100 + DUPLEX_FULL: 242 mac->forced_speed_duplex = ADVERTISE_100_FULL; 243 break; 244 case SPEED_1000 + DUPLEX_FULL: 245 if (adapter->hw.phy.media_type == e1000_media_type_copper) { 246 mac->autoneg = 1; 247 adapter->hw.phy.autoneg_advertised = 248 ADVERTISE_1000_FULL; 249 } else { 250 mac->forced_speed_duplex = ADVERTISE_1000_FULL; 251 } 252 break; 253 case SPEED_1000 + DUPLEX_HALF: /* not supported */ 254 default: 255 goto err_inval; 256 } 257 258 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */ 259 adapter->hw.phy.mdix = AUTO_ALL_MODES; 260 261 return 0; 262 263 err_inval: 264 e_err("Unsupported Speed/Duplex configuration\n"); 265 return -EINVAL; 266 } 267 268 static int e1000_set_link_ksettings(struct net_device *netdev, 269 const struct ethtool_link_ksettings *cmd) 270 { 271 struct e1000_adapter *adapter = netdev_priv(netdev); 272 struct e1000_hw *hw = &adapter->hw; 273 int ret_val = 0; 274 u32 advertising; 275 276 ethtool_convert_link_mode_to_legacy_u32(&advertising, 277 cmd->link_modes.advertising); 278 279 /* When SoL/IDER sessions are active, autoneg/speed/duplex 280 * cannot be changed 281 */ 282 if (hw->phy.ops.check_reset_block && 283 hw->phy.ops.check_reset_block(hw)) { 284 e_err("Cannot change link characteristics when SoL/IDER is active.\n"); 285 return -EINVAL; 286 } 287 288 /* MDI setting is only allowed when autoneg enabled because 289 * some hardware doesn't allow MDI setting when speed or 290 * duplex is forced. 291 */ 292 if (cmd->base.eth_tp_mdix_ctrl) { 293 if (hw->phy.media_type != e1000_media_type_copper) 294 return -EOPNOTSUPP; 295 296 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && 297 (cmd->base.autoneg != AUTONEG_ENABLE)) { 298 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); 299 return -EINVAL; 300 } 301 } 302 303 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 304 usleep_range(1000, 2000); 305 306 if (cmd->base.autoneg == AUTONEG_ENABLE) { 307 hw->mac.autoneg = 1; 308 if (hw->phy.media_type == e1000_media_type_fiber) 309 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | 310 ADVERTISED_FIBRE | ADVERTISED_Autoneg; 311 else 312 hw->phy.autoneg_advertised = advertising | 313 ADVERTISED_TP | ADVERTISED_Autoneg; 314 advertising = hw->phy.autoneg_advertised; 315 if (adapter->fc_autoneg) 316 hw->fc.requested_mode = e1000_fc_default; 317 } else { 318 u32 speed = cmd->base.speed; 319 /* calling this overrides forced MDI setting */ 320 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) { 321 ret_val = -EINVAL; 322 goto out; 323 } 324 } 325 326 /* MDI-X => 2; MDI => 1; Auto => 3 */ 327 if (cmd->base.eth_tp_mdix_ctrl) { 328 /* fix up the value for auto (3 => 0) as zero is mapped 329 * internally to auto 330 */ 331 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) 332 hw->phy.mdix = AUTO_ALL_MODES; 333 else 334 hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl; 335 } 336 337 /* reset the link */ 338 if (netif_running(adapter->netdev)) { 339 e1000e_down(adapter, true); 340 e1000e_up(adapter); 341 } else { 342 e1000e_reset(adapter); 343 } 344 345 out: 346 clear_bit(__E1000_RESETTING, &adapter->state); 347 return ret_val; 348 } 349 350 static void e1000_get_pauseparam(struct net_device *netdev, 351 struct ethtool_pauseparam *pause) 352 { 353 struct e1000_adapter *adapter = netdev_priv(netdev); 354 struct e1000_hw *hw = &adapter->hw; 355 356 pause->autoneg = 357 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 358 359 if (hw->fc.current_mode == e1000_fc_rx_pause) { 360 pause->rx_pause = 1; 361 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { 362 pause->tx_pause = 1; 363 } else if (hw->fc.current_mode == e1000_fc_full) { 364 pause->rx_pause = 1; 365 pause->tx_pause = 1; 366 } 367 } 368 369 static int e1000_set_pauseparam(struct net_device *netdev, 370 struct ethtool_pauseparam *pause) 371 { 372 struct e1000_adapter *adapter = netdev_priv(netdev); 373 struct e1000_hw *hw = &adapter->hw; 374 int retval = 0; 375 376 adapter->fc_autoneg = pause->autoneg; 377 378 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 379 usleep_range(1000, 2000); 380 381 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 382 hw->fc.requested_mode = e1000_fc_default; 383 if (netif_running(adapter->netdev)) { 384 e1000e_down(adapter, true); 385 e1000e_up(adapter); 386 } else { 387 e1000e_reset(adapter); 388 } 389 } else { 390 if (pause->rx_pause && pause->tx_pause) 391 hw->fc.requested_mode = e1000_fc_full; 392 else if (pause->rx_pause && !pause->tx_pause) 393 hw->fc.requested_mode = e1000_fc_rx_pause; 394 else if (!pause->rx_pause && pause->tx_pause) 395 hw->fc.requested_mode = e1000_fc_tx_pause; 396 else if (!pause->rx_pause && !pause->tx_pause) 397 hw->fc.requested_mode = e1000_fc_none; 398 399 hw->fc.current_mode = hw->fc.requested_mode; 400 401 if (hw->phy.media_type == e1000_media_type_fiber) { 402 retval = hw->mac.ops.setup_link(hw); 403 /* implicit goto out */ 404 } else { 405 retval = e1000e_force_mac_fc(hw); 406 if (retval) 407 goto out; 408 e1000e_set_fc_watermarks(hw); 409 } 410 } 411 412 out: 413 clear_bit(__E1000_RESETTING, &adapter->state); 414 return retval; 415 } 416 417 static u32 e1000_get_msglevel(struct net_device *netdev) 418 { 419 struct e1000_adapter *adapter = netdev_priv(netdev); 420 return adapter->msg_enable; 421 } 422 423 static void e1000_set_msglevel(struct net_device *netdev, u32 data) 424 { 425 struct e1000_adapter *adapter = netdev_priv(netdev); 426 adapter->msg_enable = data; 427 } 428 429 static int e1000_get_regs_len(struct net_device __always_unused *netdev) 430 { 431 #define E1000_REGS_LEN 32 /* overestimate */ 432 return E1000_REGS_LEN * sizeof(u32); 433 } 434 435 static void e1000_get_regs(struct net_device *netdev, 436 struct ethtool_regs *regs, void *p) 437 { 438 struct e1000_adapter *adapter = netdev_priv(netdev); 439 struct e1000_hw *hw = &adapter->hw; 440 u32 *regs_buff = p; 441 u16 phy_data; 442 443 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); 444 445 regs->version = (1u << 24) | 446 (adapter->pdev->revision << 16) | 447 adapter->pdev->device; 448 449 regs_buff[0] = er32(CTRL); 450 regs_buff[1] = er32(STATUS); 451 452 regs_buff[2] = er32(RCTL); 453 regs_buff[3] = er32(RDLEN(0)); 454 regs_buff[4] = er32(RDH(0)); 455 regs_buff[5] = er32(RDT(0)); 456 regs_buff[6] = er32(RDTR); 457 458 regs_buff[7] = er32(TCTL); 459 regs_buff[8] = er32(TDLEN(0)); 460 regs_buff[9] = er32(TDH(0)); 461 regs_buff[10] = er32(TDT(0)); 462 regs_buff[11] = er32(TIDV); 463 464 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ 465 466 /* ethtool doesn't use anything past this point, so all this 467 * code is likely legacy junk for apps that may or may not exist 468 */ 469 if (hw->phy.type == e1000_phy_m88) { 470 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); 471 regs_buff[13] = (u32)phy_data; /* cable length */ 472 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 473 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 474 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 475 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); 476 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ 477 regs_buff[18] = regs_buff[13]; /* cable polarity */ 478 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 479 regs_buff[20] = regs_buff[17]; /* polarity correction */ 480 /* phy receive errors */ 481 regs_buff[22] = adapter->phy_stats.receive_errors; 482 regs_buff[23] = regs_buff[13]; /* mdix mode */ 483 } 484 regs_buff[21] = 0; /* was idle_errors */ 485 e1e_rphy(hw, MII_STAT1000, &phy_data); 486 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ 487 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ 488 } 489 490 static int e1000_get_eeprom_len(struct net_device *netdev) 491 { 492 struct e1000_adapter *adapter = netdev_priv(netdev); 493 return adapter->hw.nvm.word_size * 2; 494 } 495 496 static int e1000_get_eeprom(struct net_device *netdev, 497 struct ethtool_eeprom *eeprom, u8 *bytes) 498 { 499 struct e1000_adapter *adapter = netdev_priv(netdev); 500 struct e1000_hw *hw = &adapter->hw; 501 u16 *eeprom_buff; 502 int first_word; 503 int last_word; 504 int ret_val = 0; 505 u16 i; 506 507 if (eeprom->len == 0) 508 return -EINVAL; 509 510 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); 511 512 first_word = eeprom->offset >> 1; 513 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 514 515 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), 516 GFP_KERNEL); 517 if (!eeprom_buff) 518 return -ENOMEM; 519 520 if (hw->nvm.type == e1000_nvm_eeprom_spi) { 521 ret_val = e1000_read_nvm(hw, first_word, 522 last_word - first_word + 1, 523 eeprom_buff); 524 } else { 525 for (i = 0; i < last_word - first_word + 1; i++) { 526 ret_val = e1000_read_nvm(hw, first_word + i, 1, 527 &eeprom_buff[i]); 528 if (ret_val) 529 break; 530 } 531 } 532 533 if (ret_val) { 534 /* a read error occurred, throw away the result */ 535 memset(eeprom_buff, 0xff, sizeof(u16) * 536 (last_word - first_word + 1)); 537 } else { 538 /* Device's eeprom is always little-endian, word addressable */ 539 for (i = 0; i < last_word - first_word + 1; i++) 540 le16_to_cpus(&eeprom_buff[i]); 541 } 542 543 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); 544 kfree(eeprom_buff); 545 546 return ret_val; 547 } 548 549 static int e1000_set_eeprom(struct net_device *netdev, 550 struct ethtool_eeprom *eeprom, u8 *bytes) 551 { 552 struct e1000_adapter *adapter = netdev_priv(netdev); 553 struct e1000_hw *hw = &adapter->hw; 554 u16 *eeprom_buff; 555 int ret_val = 0; 556 size_t max_len; 557 int first_word; 558 int last_word; 559 void *ptr; 560 u16 i; 561 562 if (eeprom->len == 0) 563 return -EOPNOTSUPP; 564 565 if (eeprom->magic != 566 (adapter->pdev->vendor | (adapter->pdev->device << 16))) 567 return -EFAULT; 568 569 if (adapter->flags & FLAG_READ_ONLY_NVM) 570 return -EINVAL; 571 572 max_len = hw->nvm.word_size * 2; 573 574 first_word = eeprom->offset >> 1; 575 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 576 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 577 if (!eeprom_buff) 578 return -ENOMEM; 579 580 ptr = (void *)eeprom_buff; 581 582 if (eeprom->offset & 1) { 583 /* need read/modify/write of first changed EEPROM word */ 584 /* only the second byte of the word is being modified */ 585 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); 586 if (ret_val) 587 goto out; 588 589 /* Device's eeprom is always little-endian, word addressable */ 590 le16_to_cpus(&eeprom_buff[0]); 591 592 ptr++; 593 } 594 if ((eeprom->offset + eeprom->len) & 1) { 595 /* need read/modify/write of last changed EEPROM word */ 596 /* only the first byte of the word is being modified */ 597 ret_val = e1000_read_nvm(hw, last_word, 1, 598 &eeprom_buff[last_word - first_word]); 599 if (ret_val) 600 goto out; 601 602 /* Device's eeprom is always little-endian, word addressable */ 603 le16_to_cpus(&eeprom_buff[last_word - first_word]); 604 } 605 606 memcpy(ptr, bytes, eeprom->len); 607 608 for (i = 0; i < last_word - first_word + 1; i++) 609 cpu_to_le16s(&eeprom_buff[i]); 610 611 ret_val = e1000_write_nvm(hw, first_word, 612 last_word - first_word + 1, eeprom_buff); 613 614 if (ret_val) 615 goto out; 616 617 /* Update the checksum over the first part of the EEPROM if needed 618 * and flush shadow RAM for applicable controllers 619 */ 620 if ((first_word <= NVM_CHECKSUM_REG) || 621 (hw->mac.type == e1000_82583) || 622 (hw->mac.type == e1000_82574) || 623 (hw->mac.type == e1000_82573)) 624 ret_val = e1000e_update_nvm_checksum(hw); 625 626 out: 627 kfree(eeprom_buff); 628 return ret_val; 629 } 630 631 static void e1000_get_drvinfo(struct net_device *netdev, 632 struct ethtool_drvinfo *drvinfo) 633 { 634 struct e1000_adapter *adapter = netdev_priv(netdev); 635 636 strscpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver)); 637 638 /* EEPROM image version # is reported as firmware version # for 639 * PCI-E controllers 640 */ 641 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 642 "%d.%d-%d", 643 FIELD_GET(0xF000, adapter->eeprom_vers), 644 FIELD_GET(0x0FF0, adapter->eeprom_vers), 645 (adapter->eeprom_vers & 0x000F)); 646 647 strscpy(drvinfo->bus_info, pci_name(adapter->pdev), 648 sizeof(drvinfo->bus_info)); 649 } 650 651 static void e1000_get_ringparam(struct net_device *netdev, 652 struct ethtool_ringparam *ring, 653 struct kernel_ethtool_ringparam *kernel_ring, 654 struct netlink_ext_ack *extack) 655 { 656 struct e1000_adapter *adapter = netdev_priv(netdev); 657 658 ring->rx_max_pending = E1000_MAX_RXD; 659 ring->tx_max_pending = E1000_MAX_TXD; 660 ring->rx_pending = adapter->rx_ring_count; 661 ring->tx_pending = adapter->tx_ring_count; 662 } 663 664 static int e1000_set_ringparam(struct net_device *netdev, 665 struct ethtool_ringparam *ring, 666 struct kernel_ethtool_ringparam *kernel_ring, 667 struct netlink_ext_ack *extack) 668 { 669 struct e1000_adapter *adapter = netdev_priv(netdev); 670 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL; 671 int err = 0, size = sizeof(struct e1000_ring); 672 bool set_tx = false, set_rx = false; 673 u16 new_rx_count, new_tx_count; 674 675 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 676 return -EINVAL; 677 678 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD, 679 E1000_MAX_RXD); 680 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); 681 682 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD, 683 E1000_MAX_TXD); 684 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); 685 686 if ((new_tx_count == adapter->tx_ring_count) && 687 (new_rx_count == adapter->rx_ring_count)) 688 /* nothing to do */ 689 return 0; 690 691 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 692 usleep_range(1000, 2000); 693 694 if (!netif_running(adapter->netdev)) { 695 /* Set counts now and allocate resources during open() */ 696 adapter->tx_ring->count = new_tx_count; 697 adapter->rx_ring->count = new_rx_count; 698 adapter->tx_ring_count = new_tx_count; 699 adapter->rx_ring_count = new_rx_count; 700 goto clear_reset; 701 } 702 703 set_tx = (new_tx_count != adapter->tx_ring_count); 704 set_rx = (new_rx_count != adapter->rx_ring_count); 705 706 /* Allocate temporary storage for ring updates */ 707 if (set_tx) { 708 temp_tx = vmalloc(size); 709 if (!temp_tx) { 710 err = -ENOMEM; 711 goto free_temp; 712 } 713 } 714 if (set_rx) { 715 temp_rx = vmalloc(size); 716 if (!temp_rx) { 717 err = -ENOMEM; 718 goto free_temp; 719 } 720 } 721 722 e1000e_down(adapter, true); 723 724 /* We can't just free everything and then setup again, because the 725 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring 726 * structs. First, attempt to allocate new resources... 727 */ 728 if (set_tx) { 729 memcpy(temp_tx, adapter->tx_ring, size); 730 temp_tx->count = new_tx_count; 731 err = e1000e_setup_tx_resources(temp_tx); 732 if (err) 733 goto err_setup; 734 } 735 if (set_rx) { 736 memcpy(temp_rx, adapter->rx_ring, size); 737 temp_rx->count = new_rx_count; 738 err = e1000e_setup_rx_resources(temp_rx); 739 if (err) 740 goto err_setup_rx; 741 } 742 743 /* ...then free the old resources and copy back any new ring data */ 744 if (set_tx) { 745 e1000e_free_tx_resources(adapter->tx_ring); 746 memcpy(adapter->tx_ring, temp_tx, size); 747 adapter->tx_ring_count = new_tx_count; 748 } 749 if (set_rx) { 750 e1000e_free_rx_resources(adapter->rx_ring); 751 memcpy(adapter->rx_ring, temp_rx, size); 752 adapter->rx_ring_count = new_rx_count; 753 } 754 755 err_setup_rx: 756 if (err && set_tx) 757 e1000e_free_tx_resources(temp_tx); 758 err_setup: 759 e1000e_up(adapter); 760 free_temp: 761 vfree(temp_tx); 762 vfree(temp_rx); 763 clear_reset: 764 clear_bit(__E1000_RESETTING, &adapter->state); 765 return err; 766 } 767 768 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, 769 int reg, int offset, u32 mask, u32 write) 770 { 771 u32 pat, val; 772 static const u32 test[] = { 773 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF 774 }; 775 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { 776 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, 777 (test[pat] & write)); 778 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); 779 if (val != (test[pat] & write & mask)) { 780 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n", 781 reg + (offset << 2), val, 782 (test[pat] & write & mask)); 783 *data = reg; 784 return true; 785 } 786 } 787 return false; 788 } 789 790 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, 791 int reg, u32 mask, u32 write) 792 { 793 u32 val; 794 795 __ew32(&adapter->hw, reg, write & mask); 796 val = __er32(&adapter->hw, reg); 797 if ((write & mask) != (val & mask)) { 798 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n", 799 reg, (val & mask), (write & mask)); 800 *data = reg; 801 return true; 802 } 803 return false; 804 } 805 806 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ 807 do { \ 808 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ 809 return 1; \ 810 } while (0) 811 #define REG_PATTERN_TEST(reg, mask, write) \ 812 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) 813 814 #define REG_SET_AND_CHECK(reg, mask, write) \ 815 do { \ 816 if (reg_set_and_check(adapter, data, reg, mask, write)) \ 817 return 1; \ 818 } while (0) 819 820 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) 821 { 822 struct e1000_hw *hw = &adapter->hw; 823 struct e1000_mac_info *mac = &adapter->hw.mac; 824 u32 value; 825 u32 before; 826 u32 after; 827 u32 i; 828 u32 toggle; 829 u32 mask; 830 u32 wlock_mac = 0; 831 832 /* The status register is Read Only, so a write should fail. 833 * Some bits that get toggled are ignored. There are several bits 834 * on newer hardware that are r/w. 835 */ 836 switch (mac->type) { 837 case e1000_82571: 838 case e1000_82572: 839 case e1000_80003es2lan: 840 toggle = 0x7FFFF3FF; 841 break; 842 default: 843 toggle = 0x7FFFF033; 844 break; 845 } 846 847 before = er32(STATUS); 848 value = (er32(STATUS) & toggle); 849 ew32(STATUS, toggle); 850 after = er32(STATUS) & toggle; 851 if (value != after) { 852 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n", 853 after, value); 854 *data = 1; 855 return 1; 856 } 857 /* restore previous status */ 858 ew32(STATUS, before); 859 860 if (!(adapter->flags & FLAG_IS_ICH)) { 861 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); 862 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); 863 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); 864 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); 865 } 866 867 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); 868 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF); 869 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF); 870 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF); 871 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF); 872 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); 873 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); 874 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); 875 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF); 876 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF); 877 878 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); 879 880 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); 881 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); 882 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); 883 884 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); 885 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF); 886 if (!(adapter->flags & FLAG_IS_ICH)) 887 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); 888 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF); 889 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); 890 mask = 0x8003FFFF; 891 switch (mac->type) { 892 case e1000_ich10lan: 893 case e1000_pchlan: 894 case e1000_pch2lan: 895 case e1000_pch_lpt: 896 case e1000_pch_spt: 897 case e1000_pch_cnp: 898 case e1000_pch_tgp: 899 case e1000_pch_adp: 900 case e1000_pch_mtp: 901 case e1000_pch_lnp: 902 case e1000_pch_ptp: 903 case e1000_pch_nvp: 904 mask |= BIT(18); 905 break; 906 default: 907 break; 908 } 909 910 if (mac->type >= e1000_pch_lpt) 911 wlock_mac = FIELD_GET(E1000_FWSM_WLOCK_MAC_MASK, er32(FWSM)); 912 913 for (i = 0; i < mac->rar_entry_count; i++) { 914 if (mac->type >= e1000_pch_lpt) { 915 /* Cannot test write-protected SHRAL[n] registers */ 916 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac))) 917 continue; 918 919 /* SHRAH[9] different than the others */ 920 if (i == 10) 921 mask |= BIT(30); 922 else 923 mask &= ~BIT(30); 924 } 925 if (mac->type == e1000_pch2lan) { 926 /* SHRAH[0,1,2] different than previous */ 927 if (i == 1) 928 mask &= 0xFFF4FFFF; 929 /* SHRAH[3] different than SHRAH[0,1,2] */ 930 if (i == 4) 931 mask |= BIT(30); 932 /* RAR[1-6] owned by management engine - skipping */ 933 if (i > 0) 934 i += 6; 935 } 936 937 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask, 938 0xFFFFFFFF); 939 /* reset index to actual value */ 940 if ((mac->type == e1000_pch2lan) && (i > 6)) 941 i -= 6; 942 } 943 944 for (i = 0; i < mac->mta_reg_count; i++) 945 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); 946 947 *data = 0; 948 949 return 0; 950 } 951 952 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) 953 { 954 u16 temp; 955 u16 checksum = 0; 956 u16 i; 957 958 *data = 0; 959 /* Read and add up the contents of the EEPROM */ 960 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { 961 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { 962 *data = 1; 963 return *data; 964 } 965 checksum += temp; 966 } 967 968 /* If Checksum is not Correct return error else test passed */ 969 if (checksum != NVM_SUM && !(*data)) 970 *data = 2; 971 972 return *data; 973 } 974 975 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data) 976 { 977 struct net_device *netdev = (struct net_device *)data; 978 struct e1000_adapter *adapter = netdev_priv(netdev); 979 struct e1000_hw *hw = &adapter->hw; 980 981 adapter->test_icr |= er32(ICR); 982 983 return IRQ_HANDLED; 984 } 985 986 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) 987 { 988 struct net_device *netdev = adapter->netdev; 989 struct e1000_hw *hw = &adapter->hw; 990 u32 mask; 991 u32 shared_int = 1; 992 u32 irq = adapter->pdev->irq; 993 int i; 994 int ret_val = 0; 995 int int_mode = E1000E_INT_MODE_LEGACY; 996 997 *data = 0; 998 999 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ 1000 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { 1001 int_mode = adapter->int_mode; 1002 e1000e_reset_interrupt_capability(adapter); 1003 adapter->int_mode = E1000E_INT_MODE_LEGACY; 1004 e1000e_set_interrupt_capability(adapter); 1005 } 1006 /* Hook up test interrupt handler just for this test */ 1007 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, 1008 netdev)) { 1009 shared_int = 0; 1010 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name, 1011 netdev)) { 1012 *data = 1; 1013 ret_val = -1; 1014 goto out; 1015 } 1016 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); 1017 1018 /* Disable all the interrupts */ 1019 ew32(IMC, 0xFFFFFFFF); 1020 e1e_flush(); 1021 usleep_range(10000, 11000); 1022 1023 /* Test each interrupt */ 1024 for (i = 0; i < 10; i++) { 1025 /* Interrupt to test */ 1026 mask = BIT(i); 1027 1028 if (adapter->flags & FLAG_IS_ICH) { 1029 switch (mask) { 1030 case E1000_ICR_RXSEQ: 1031 continue; 1032 case 0x00000100: 1033 if (adapter->hw.mac.type == e1000_ich8lan || 1034 adapter->hw.mac.type == e1000_ich9lan) 1035 continue; 1036 break; 1037 default: 1038 break; 1039 } 1040 } 1041 1042 if (!shared_int) { 1043 /* Disable the interrupt to be reported in 1044 * the cause register and then force the same 1045 * interrupt and see if one gets posted. If 1046 * an interrupt was posted to the bus, the 1047 * test failed. 1048 */ 1049 adapter->test_icr = 0; 1050 ew32(IMC, mask); 1051 ew32(ICS, mask); 1052 e1e_flush(); 1053 usleep_range(10000, 11000); 1054 1055 if (adapter->test_icr & mask) { 1056 *data = 3; 1057 break; 1058 } 1059 } 1060 1061 /* Enable the interrupt to be reported in 1062 * the cause register and then force the same 1063 * interrupt and see if one gets posted. If 1064 * an interrupt was not posted to the bus, the 1065 * test failed. 1066 */ 1067 adapter->test_icr = 0; 1068 ew32(IMS, mask); 1069 ew32(ICS, mask); 1070 e1e_flush(); 1071 usleep_range(10000, 11000); 1072 1073 if (!(adapter->test_icr & mask)) { 1074 *data = 4; 1075 break; 1076 } 1077 1078 if (!shared_int) { 1079 /* Disable the other interrupts to be reported in 1080 * the cause register and then force the other 1081 * interrupts and see if any get posted. If 1082 * an interrupt was posted to the bus, the 1083 * test failed. 1084 */ 1085 adapter->test_icr = 0; 1086 ew32(IMC, ~mask & 0x00007FFF); 1087 ew32(ICS, ~mask & 0x00007FFF); 1088 e1e_flush(); 1089 usleep_range(10000, 11000); 1090 1091 if (adapter->test_icr) { 1092 *data = 5; 1093 break; 1094 } 1095 } 1096 } 1097 1098 /* Disable all the interrupts */ 1099 ew32(IMC, 0xFFFFFFFF); 1100 e1e_flush(); 1101 usleep_range(10000, 11000); 1102 1103 /* Unhook test interrupt handler */ 1104 free_irq(irq, netdev); 1105 1106 out: 1107 if (int_mode == E1000E_INT_MODE_MSIX) { 1108 e1000e_reset_interrupt_capability(adapter); 1109 adapter->int_mode = int_mode; 1110 e1000e_set_interrupt_capability(adapter); 1111 } 1112 1113 return ret_val; 1114 } 1115 1116 static void e1000_free_desc_rings(struct e1000_adapter *adapter) 1117 { 1118 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1119 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1120 struct pci_dev *pdev = adapter->pdev; 1121 struct e1000_buffer *buffer_info; 1122 int i; 1123 1124 if (tx_ring->desc && tx_ring->buffer_info) { 1125 for (i = 0; i < tx_ring->count; i++) { 1126 buffer_info = &tx_ring->buffer_info[i]; 1127 1128 if (buffer_info->dma) 1129 dma_unmap_single(&pdev->dev, 1130 buffer_info->dma, 1131 buffer_info->length, 1132 DMA_TO_DEVICE); 1133 dev_kfree_skb(buffer_info->skb); 1134 } 1135 } 1136 1137 if (rx_ring->desc && rx_ring->buffer_info) { 1138 for (i = 0; i < rx_ring->count; i++) { 1139 buffer_info = &rx_ring->buffer_info[i]; 1140 1141 if (buffer_info->dma) 1142 dma_unmap_single(&pdev->dev, 1143 buffer_info->dma, 1144 2048, DMA_FROM_DEVICE); 1145 dev_kfree_skb(buffer_info->skb); 1146 } 1147 } 1148 1149 if (tx_ring->desc) { 1150 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, 1151 tx_ring->dma); 1152 tx_ring->desc = NULL; 1153 } 1154 if (rx_ring->desc) { 1155 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, 1156 rx_ring->dma); 1157 rx_ring->desc = NULL; 1158 } 1159 1160 kfree(tx_ring->buffer_info); 1161 tx_ring->buffer_info = NULL; 1162 kfree(rx_ring->buffer_info); 1163 rx_ring->buffer_info = NULL; 1164 } 1165 1166 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) 1167 { 1168 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1169 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1170 struct pci_dev *pdev = adapter->pdev; 1171 struct e1000_hw *hw = &adapter->hw; 1172 u32 rctl; 1173 int i; 1174 int ret_val; 1175 1176 /* Setup Tx descriptor ring and Tx buffers */ 1177 1178 if (!tx_ring->count) 1179 tx_ring->count = E1000_DEFAULT_TXD; 1180 1181 tx_ring->buffer_info = kzalloc_objs(struct e1000_buffer, tx_ring->count); 1182 if (!tx_ring->buffer_info) { 1183 ret_val = 1; 1184 goto err_nomem; 1185 } 1186 1187 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); 1188 tx_ring->size = ALIGN(tx_ring->size, 4096); 1189 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, 1190 &tx_ring->dma, GFP_KERNEL); 1191 if (!tx_ring->desc) { 1192 ret_val = 2; 1193 goto err_nomem; 1194 } 1195 tx_ring->next_to_use = 0; 1196 tx_ring->next_to_clean = 0; 1197 1198 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF)); 1199 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32)); 1200 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc)); 1201 ew32(TDH(0), 0); 1202 ew32(TDT(0), 0); 1203 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | 1204 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | 1205 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); 1206 1207 for (i = 0; i < tx_ring->count; i++) { 1208 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); 1209 struct sk_buff *skb; 1210 unsigned int skb_size = 1024; 1211 1212 skb = alloc_skb(skb_size, GFP_KERNEL); 1213 if (!skb) { 1214 ret_val = 3; 1215 goto err_nomem; 1216 } 1217 skb_put(skb, skb_size); 1218 tx_ring->buffer_info[i].skb = skb; 1219 tx_ring->buffer_info[i].length = skb->len; 1220 tx_ring->buffer_info[i].dma = 1221 dma_map_single(&pdev->dev, skb->data, skb->len, 1222 DMA_TO_DEVICE); 1223 if (dma_mapping_error(&pdev->dev, 1224 tx_ring->buffer_info[i].dma)) { 1225 ret_val = 4; 1226 goto err_nomem; 1227 } 1228 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); 1229 tx_desc->lower.data = cpu_to_le32(skb->len); 1230 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | 1231 E1000_TXD_CMD_IFCS | 1232 E1000_TXD_CMD_RS); 1233 tx_desc->upper.data = 0; 1234 } 1235 1236 /* Setup Rx descriptor ring and Rx buffers */ 1237 1238 if (!rx_ring->count) 1239 rx_ring->count = E1000_DEFAULT_RXD; 1240 1241 rx_ring->buffer_info = kzalloc_objs(struct e1000_buffer, rx_ring->count); 1242 if (!rx_ring->buffer_info) { 1243 ret_val = 5; 1244 goto err_nomem; 1245 } 1246 1247 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended); 1248 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, 1249 &rx_ring->dma, GFP_KERNEL); 1250 if (!rx_ring->desc) { 1251 ret_val = 6; 1252 goto err_nomem; 1253 } 1254 rx_ring->next_to_use = 0; 1255 rx_ring->next_to_clean = 0; 1256 1257 rctl = er32(RCTL); 1258 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX)) 1259 ew32(RCTL, rctl & ~E1000_RCTL_EN); 1260 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF)); 1261 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32)); 1262 ew32(RDLEN(0), rx_ring->size); 1263 ew32(RDH(0), 0); 1264 ew32(RDT(0), 0); 1265 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | 1266 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | 1267 E1000_RCTL_SBP | E1000_RCTL_SECRC | 1268 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | 1269 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); 1270 ew32(RCTL, rctl); 1271 1272 for (i = 0; i < rx_ring->count; i++) { 1273 union e1000_rx_desc_extended *rx_desc; 1274 struct sk_buff *skb; 1275 1276 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); 1277 if (!skb) { 1278 ret_val = 7; 1279 goto err_nomem; 1280 } 1281 skb_reserve(skb, NET_IP_ALIGN); 1282 rx_ring->buffer_info[i].skb = skb; 1283 rx_ring->buffer_info[i].dma = 1284 dma_map_single(&pdev->dev, skb->data, 2048, 1285 DMA_FROM_DEVICE); 1286 if (dma_mapping_error(&pdev->dev, 1287 rx_ring->buffer_info[i].dma)) { 1288 ret_val = 8; 1289 goto err_nomem; 1290 } 1291 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); 1292 rx_desc->read.buffer_addr = 1293 cpu_to_le64(rx_ring->buffer_info[i].dma); 1294 memset(skb->data, 0x00, skb->len); 1295 } 1296 1297 return 0; 1298 1299 err_nomem: 1300 e1000_free_desc_rings(adapter); 1301 return ret_val; 1302 } 1303 1304 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) 1305 { 1306 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1307 e1e_wphy(&adapter->hw, 29, 0x001F); 1308 e1e_wphy(&adapter->hw, 30, 0x8FFC); 1309 e1e_wphy(&adapter->hw, 29, 0x001A); 1310 e1e_wphy(&adapter->hw, 30, 0x8FF0); 1311 } 1312 1313 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) 1314 { 1315 struct e1000_hw *hw = &adapter->hw; 1316 u32 ctrl_reg = 0; 1317 u16 phy_reg = 0; 1318 s32 ret_val = 0; 1319 1320 hw->mac.autoneg = 0; 1321 1322 if (hw->phy.type == e1000_phy_ife) { 1323 /* force 100, set loopback */ 1324 e1e_wphy(hw, MII_BMCR, 0x6100); 1325 1326 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1327 ctrl_reg = er32(CTRL); 1328 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1329 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1330 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1331 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ 1332 E1000_CTRL_FD); /* Force Duplex to FULL */ 1333 1334 ew32(CTRL, ctrl_reg); 1335 e1e_flush(); 1336 usleep_range(500, 1000); 1337 1338 return 0; 1339 } 1340 1341 /* Specific PHY configuration for loopback */ 1342 switch (hw->phy.type) { 1343 case e1000_phy_m88: 1344 /* Auto-MDI/MDIX Off */ 1345 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); 1346 /* reset to update Auto-MDI/MDIX */ 1347 e1e_wphy(hw, MII_BMCR, 0x9140); 1348 /* autoneg off */ 1349 e1e_wphy(hw, MII_BMCR, 0x8140); 1350 break; 1351 case e1000_phy_gg82563: 1352 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); 1353 break; 1354 case e1000_phy_bm: 1355 /* Set Default MAC Interface speed to 1GB */ 1356 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); 1357 phy_reg &= ~0x0007; 1358 phy_reg |= 0x006; 1359 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); 1360 /* Assert SW reset for above settings to take effect */ 1361 hw->phy.ops.commit(hw); 1362 usleep_range(1000, 2000); 1363 /* Force Full Duplex */ 1364 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1365 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); 1366 /* Set Link Up (in force link) */ 1367 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); 1368 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); 1369 /* Force Link */ 1370 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1371 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); 1372 /* Set Early Link Enable */ 1373 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); 1374 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); 1375 break; 1376 case e1000_phy_82577: 1377 case e1000_phy_82578: 1378 /* Workaround: K1 must be disabled for stable 1Gbps operation */ 1379 ret_val = hw->phy.ops.acquire(hw); 1380 if (ret_val) { 1381 e_err("Cannot setup 1Gbps loopback.\n"); 1382 return ret_val; 1383 } 1384 e1000_configure_k1_ich8lan(hw, false); 1385 hw->phy.ops.release(hw); 1386 break; 1387 case e1000_phy_82579: 1388 /* Disable PHY energy detect power down */ 1389 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); 1390 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3)); 1391 /* Disable full chip energy detect */ 1392 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); 1393 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); 1394 /* Enable loopback on the PHY */ 1395 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); 1396 break; 1397 default: 1398 break; 1399 } 1400 1401 /* force 1000, set loopback */ 1402 e1e_wphy(hw, MII_BMCR, 0x4140); 1403 msleep(250); 1404 1405 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1406 ctrl_reg = er32(CTRL); 1407 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1408 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1409 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1410 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ 1411 E1000_CTRL_FD); /* Force Duplex to FULL */ 1412 1413 if (adapter->flags & FLAG_IS_ICH) 1414 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ 1415 1416 if (hw->phy.media_type == e1000_media_type_copper && 1417 hw->phy.type == e1000_phy_m88) { 1418 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ 1419 } else { 1420 /* Set the ILOS bit on the fiber Nic if half duplex link is 1421 * detected. 1422 */ 1423 if ((er32(STATUS) & E1000_STATUS_FD) == 0) 1424 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); 1425 } 1426 1427 ew32(CTRL, ctrl_reg); 1428 1429 /* Disable the receiver on the PHY so when a cable is plugged in, the 1430 * PHY does not begin to autoneg when a cable is reconnected to the NIC. 1431 */ 1432 if (hw->phy.type == e1000_phy_m88) 1433 e1000_phy_disable_receiver(adapter); 1434 1435 usleep_range(500, 1000); 1436 1437 return 0; 1438 } 1439 1440 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) 1441 { 1442 struct e1000_hw *hw = &adapter->hw; 1443 u32 ctrl = er32(CTRL); 1444 int link; 1445 1446 /* special requirements for 82571/82572 fiber adapters */ 1447 1448 /* jump through hoops to make sure link is up because serdes 1449 * link is hardwired up 1450 */ 1451 ctrl |= E1000_CTRL_SLU; 1452 ew32(CTRL, ctrl); 1453 1454 /* disable autoneg */ 1455 ctrl = er32(TXCW); 1456 ctrl &= ~BIT(31); 1457 ew32(TXCW, ctrl); 1458 1459 link = (er32(STATUS) & E1000_STATUS_LU); 1460 1461 if (!link) { 1462 /* set invert loss of signal */ 1463 ctrl = er32(CTRL); 1464 ctrl |= E1000_CTRL_ILOS; 1465 ew32(CTRL, ctrl); 1466 } 1467 1468 /* special write to serdes control register to enable SerDes analog 1469 * loopback 1470 */ 1471 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK); 1472 e1e_flush(); 1473 usleep_range(10000, 11000); 1474 1475 return 0; 1476 } 1477 1478 /* only call this for fiber/serdes connections to es2lan */ 1479 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) 1480 { 1481 struct e1000_hw *hw = &adapter->hw; 1482 u32 ctrlext = er32(CTRL_EXT); 1483 u32 ctrl = er32(CTRL); 1484 1485 /* save CTRL_EXT to restore later, reuse an empty variable (unused 1486 * on mac_type 80003es2lan) 1487 */ 1488 adapter->tx_fifo_head = ctrlext; 1489 1490 /* clear the serdes mode bits, putting the device into mac loopback */ 1491 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; 1492 ew32(CTRL_EXT, ctrlext); 1493 1494 /* force speed to 1000/FD, link up */ 1495 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); 1496 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | 1497 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); 1498 ew32(CTRL, ctrl); 1499 1500 /* set mac loopback */ 1501 ctrl = er32(RCTL); 1502 ctrl |= E1000_RCTL_LBM_MAC; 1503 ew32(RCTL, ctrl); 1504 1505 /* set testing mode parameters (no need to reset later) */ 1506 #define KMRNCTRLSTA_OPMODE (0x1F << 16) 1507 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 1508 ew32(KMRNCTRLSTA, 1509 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); 1510 1511 return 0; 1512 } 1513 1514 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) 1515 { 1516 struct e1000_hw *hw = &adapter->hw; 1517 u32 rctl, fext_nvm11, tarc0; 1518 1519 if (hw->mac.type >= e1000_pch_spt) { 1520 fext_nvm11 = er32(FEXTNVM11); 1521 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX; 1522 ew32(FEXTNVM11, fext_nvm11); 1523 tarc0 = er32(TARC(0)); 1524 /* clear bits 28 & 29 (control of MULR concurrent requests) */ 1525 tarc0 &= 0xcfffffff; 1526 /* set bit 29 (value of MULR requests is now 2) */ 1527 tarc0 |= 0x20000000; 1528 ew32(TARC(0), tarc0); 1529 } 1530 if (hw->phy.media_type == e1000_media_type_fiber || 1531 hw->phy.media_type == e1000_media_type_internal_serdes) { 1532 switch (hw->mac.type) { 1533 case e1000_80003es2lan: 1534 return e1000_set_es2lan_mac_loopback(adapter); 1535 case e1000_82571: 1536 case e1000_82572: 1537 return e1000_set_82571_fiber_loopback(adapter); 1538 default: 1539 rctl = er32(RCTL); 1540 rctl |= E1000_RCTL_LBM_TCVR; 1541 ew32(RCTL, rctl); 1542 return 0; 1543 } 1544 } else if (hw->phy.media_type == e1000_media_type_copper) { 1545 return e1000_integrated_phy_loopback(adapter); 1546 } 1547 1548 return 7; 1549 } 1550 1551 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) 1552 { 1553 struct e1000_hw *hw = &adapter->hw; 1554 u32 rctl, fext_nvm11, tarc0; 1555 u16 phy_reg; 1556 1557 rctl = er32(RCTL); 1558 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); 1559 ew32(RCTL, rctl); 1560 1561 switch (hw->mac.type) { 1562 case e1000_pch_spt: 1563 case e1000_pch_cnp: 1564 case e1000_pch_tgp: 1565 case e1000_pch_adp: 1566 case e1000_pch_mtp: 1567 case e1000_pch_lnp: 1568 case e1000_pch_ptp: 1569 case e1000_pch_nvp: 1570 fext_nvm11 = er32(FEXTNVM11); 1571 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX; 1572 ew32(FEXTNVM11, fext_nvm11); 1573 tarc0 = er32(TARC(0)); 1574 /* clear bits 28 & 29 (control of MULR concurrent requests) */ 1575 /* set bit 29 (value of MULR requests is now 0) */ 1576 tarc0 &= 0xcfffffff; 1577 ew32(TARC(0), tarc0); 1578 fallthrough; 1579 case e1000_80003es2lan: 1580 if (hw->phy.media_type == e1000_media_type_fiber || 1581 hw->phy.media_type == e1000_media_type_internal_serdes) { 1582 /* restore CTRL_EXT, stealing space from tx_fifo_head */ 1583 ew32(CTRL_EXT, adapter->tx_fifo_head); 1584 adapter->tx_fifo_head = 0; 1585 } 1586 fallthrough; 1587 case e1000_82571: 1588 case e1000_82572: 1589 if (hw->phy.media_type == e1000_media_type_fiber || 1590 hw->phy.media_type == e1000_media_type_internal_serdes) { 1591 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK); 1592 e1e_flush(); 1593 usleep_range(10000, 11000); 1594 break; 1595 } 1596 fallthrough; 1597 default: 1598 hw->mac.autoneg = 1; 1599 if (hw->phy.type == e1000_phy_gg82563) 1600 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); 1601 e1e_rphy(hw, MII_BMCR, &phy_reg); 1602 if (phy_reg & BMCR_LOOPBACK) { 1603 phy_reg &= ~BMCR_LOOPBACK; 1604 e1e_wphy(hw, MII_BMCR, phy_reg); 1605 if (hw->phy.ops.commit) 1606 hw->phy.ops.commit(hw); 1607 } 1608 break; 1609 } 1610 } 1611 1612 static void e1000_create_lbtest_frame(struct sk_buff *skb, 1613 unsigned int frame_size) 1614 { 1615 memset(skb->data, 0xFF, frame_size); 1616 frame_size &= ~1; 1617 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 1618 skb->data[frame_size / 2 + 10] = 0xBE; 1619 skb->data[frame_size / 2 + 12] = 0xAF; 1620 } 1621 1622 static int e1000_check_lbtest_frame(struct sk_buff *skb, 1623 unsigned int frame_size) 1624 { 1625 frame_size &= ~1; 1626 if (*(skb->data + 3) == 0xFF) 1627 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 1628 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 1629 return 0; 1630 return 13; 1631 } 1632 1633 static int e1000_run_loopback_test(struct e1000_adapter *adapter) 1634 { 1635 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1636 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1637 struct pci_dev *pdev = adapter->pdev; 1638 struct e1000_hw *hw = &adapter->hw; 1639 struct e1000_buffer *buffer_info; 1640 int i, j, k, l; 1641 int lc; 1642 int good_cnt; 1643 int ret_val = 0; 1644 unsigned long time; 1645 1646 ew32(RDT(0), rx_ring->count - 1); 1647 1648 /* Calculate the loop count based on the largest descriptor ring 1649 * The idea is to wrap the largest ring a number of times using 64 1650 * send/receive pairs during each loop 1651 */ 1652 1653 if (rx_ring->count <= tx_ring->count) 1654 lc = ((tx_ring->count / 64) * 2) + 1; 1655 else 1656 lc = ((rx_ring->count / 64) * 2) + 1; 1657 1658 k = 0; 1659 l = 0; 1660 /* loop count loop */ 1661 for (j = 0; j <= lc; j++) { 1662 /* send the packets */ 1663 for (i = 0; i < 64; i++) { 1664 buffer_info = &tx_ring->buffer_info[k]; 1665 1666 e1000_create_lbtest_frame(buffer_info->skb, 1024); 1667 dma_sync_single_for_device(&pdev->dev, 1668 buffer_info->dma, 1669 buffer_info->length, 1670 DMA_TO_DEVICE); 1671 k++; 1672 if (k == tx_ring->count) 1673 k = 0; 1674 } 1675 ew32(TDT(0), k); 1676 e1e_flush(); 1677 msleep(200); 1678 time = jiffies; /* set the start time for the receive */ 1679 good_cnt = 0; 1680 /* receive the sent packets */ 1681 do { 1682 buffer_info = &rx_ring->buffer_info[l]; 1683 1684 dma_sync_single_for_cpu(&pdev->dev, 1685 buffer_info->dma, 2048, 1686 DMA_FROM_DEVICE); 1687 1688 ret_val = e1000_check_lbtest_frame(buffer_info->skb, 1689 1024); 1690 if (!ret_val) 1691 good_cnt++; 1692 l++; 1693 if (l == rx_ring->count) 1694 l = 0; 1695 /* time + 20 msecs (200 msecs on 2.4) is more than 1696 * enough time to complete the receives, if it's 1697 * exceeded, break and error off 1698 */ 1699 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); 1700 if (good_cnt != 64) { 1701 ret_val = 13; /* ret_val is the same as mis-compare */ 1702 break; 1703 } 1704 if (time_after(jiffies, time + 20)) { 1705 ret_val = 14; /* error code for time out error */ 1706 break; 1707 } 1708 } 1709 return ret_val; 1710 } 1711 1712 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) 1713 { 1714 struct e1000_hw *hw = &adapter->hw; 1715 1716 /* PHY loopback cannot be performed if SoL/IDER sessions are active */ 1717 if (hw->phy.ops.check_reset_block && 1718 hw->phy.ops.check_reset_block(hw)) { 1719 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); 1720 *data = 0; 1721 goto out; 1722 } 1723 1724 *data = e1000_setup_desc_rings(adapter); 1725 if (*data) 1726 goto out; 1727 1728 *data = e1000_setup_loopback_test(adapter); 1729 if (*data) 1730 goto err_loopback; 1731 1732 *data = e1000_run_loopback_test(adapter); 1733 e1000_loopback_cleanup(adapter); 1734 1735 err_loopback: 1736 e1000_free_desc_rings(adapter); 1737 out: 1738 return *data; 1739 } 1740 1741 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) 1742 { 1743 struct e1000_hw *hw = &adapter->hw; 1744 1745 *data = 0; 1746 if (hw->phy.media_type == e1000_media_type_internal_serdes) { 1747 int i = 0; 1748 1749 hw->mac.serdes_has_link = false; 1750 1751 /* On some blade server designs, link establishment 1752 * could take as long as 2-3 minutes 1753 */ 1754 do { 1755 hw->mac.ops.check_for_link(hw); 1756 if (hw->mac.serdes_has_link) 1757 return *data; 1758 msleep(20); 1759 } while (i++ < 3750); 1760 1761 *data = 1; 1762 } else { 1763 hw->mac.ops.check_for_link(hw); 1764 if (hw->mac.autoneg) 1765 /* On some Phy/switch combinations, link establishment 1766 * can take a few seconds more than expected. 1767 */ 1768 msleep_interruptible(5000); 1769 1770 if (!(er32(STATUS) & E1000_STATUS_LU)) 1771 *data = 1; 1772 } 1773 return *data; 1774 } 1775 1776 static int e1000e_get_sset_count(struct net_device __always_unused *netdev, 1777 int sset) 1778 { 1779 switch (sset) { 1780 case ETH_SS_TEST: 1781 return E1000_TEST_LEN; 1782 case ETH_SS_STATS: 1783 return E1000_STATS_LEN; 1784 case ETH_SS_PRIV_FLAGS: 1785 return E1000E_PRIV_FLAGS_STR_LEN; 1786 default: 1787 return -EOPNOTSUPP; 1788 } 1789 } 1790 1791 static void e1000_diag_test(struct net_device *netdev, 1792 struct ethtool_test *eth_test, u64 *data) 1793 { 1794 struct e1000_adapter *adapter = netdev_priv(netdev); 1795 u16 autoneg_advertised; 1796 u8 forced_speed_duplex; 1797 u8 autoneg; 1798 bool if_running = netif_running(netdev); 1799 1800 set_bit(__E1000_TESTING, &adapter->state); 1801 1802 if (!if_running) { 1803 /* Get control of and reset hardware */ 1804 if (adapter->flags & FLAG_HAS_AMT) 1805 e1000e_get_hw_control(adapter); 1806 1807 e1000e_power_up_phy(adapter); 1808 1809 adapter->hw.phy.autoneg_wait_to_complete = 1; 1810 e1000e_reset(adapter); 1811 adapter->hw.phy.autoneg_wait_to_complete = 0; 1812 } 1813 1814 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1815 /* Offline tests */ 1816 1817 /* save speed, duplex, autoneg settings */ 1818 autoneg_advertised = adapter->hw.phy.autoneg_advertised; 1819 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; 1820 autoneg = adapter->hw.mac.autoneg; 1821 1822 e_info("offline testing starting\n"); 1823 1824 if (if_running) 1825 /* indicate we're in test mode */ 1826 e1000e_close(netdev); 1827 1828 if (e1000_reg_test(adapter, &data[0])) 1829 eth_test->flags |= ETH_TEST_FL_FAILED; 1830 1831 e1000e_reset(adapter); 1832 if (e1000_eeprom_test(adapter, &data[1])) 1833 eth_test->flags |= ETH_TEST_FL_FAILED; 1834 1835 e1000e_reset(adapter); 1836 if (e1000_intr_test(adapter, &data[2])) 1837 eth_test->flags |= ETH_TEST_FL_FAILED; 1838 1839 e1000e_reset(adapter); 1840 if (e1000_loopback_test(adapter, &data[3])) 1841 eth_test->flags |= ETH_TEST_FL_FAILED; 1842 1843 /* force this routine to wait until autoneg complete/timeout */ 1844 adapter->hw.phy.autoneg_wait_to_complete = 1; 1845 e1000e_reset(adapter); 1846 adapter->hw.phy.autoneg_wait_to_complete = 0; 1847 1848 if (e1000_link_test(adapter, &data[4])) 1849 eth_test->flags |= ETH_TEST_FL_FAILED; 1850 1851 /* restore speed, duplex, autoneg settings */ 1852 adapter->hw.phy.autoneg_advertised = autoneg_advertised; 1853 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; 1854 adapter->hw.mac.autoneg = autoneg; 1855 e1000e_reset(adapter); 1856 1857 clear_bit(__E1000_TESTING, &adapter->state); 1858 if (if_running) 1859 e1000e_open(netdev); 1860 } else { 1861 /* Online tests */ 1862 1863 e_info("online testing starting\n"); 1864 1865 /* register, eeprom, intr and loopback tests not run online */ 1866 data[0] = 0; 1867 data[1] = 0; 1868 data[2] = 0; 1869 data[3] = 0; 1870 1871 if (e1000_link_test(adapter, &data[4])) 1872 eth_test->flags |= ETH_TEST_FL_FAILED; 1873 1874 clear_bit(__E1000_TESTING, &adapter->state); 1875 } 1876 1877 if (!if_running) { 1878 e1000e_reset(adapter); 1879 1880 if (adapter->flags & FLAG_HAS_AMT) 1881 e1000e_release_hw_control(adapter); 1882 } 1883 1884 msleep_interruptible(4 * 1000); 1885 } 1886 1887 static void e1000_get_wol(struct net_device *netdev, 1888 struct ethtool_wolinfo *wol) 1889 { 1890 struct e1000_adapter *adapter = netdev_priv(netdev); 1891 1892 wol->supported = 0; 1893 wol->wolopts = 0; 1894 1895 if (!(adapter->flags & FLAG_HAS_WOL) || 1896 !device_can_wakeup(&adapter->pdev->dev)) 1897 return; 1898 1899 wol->supported = WAKE_UCAST | WAKE_MCAST | 1900 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY; 1901 1902 /* apply any specific unsupported masks here */ 1903 if (adapter->flags & FLAG_NO_WAKE_UCAST) { 1904 wol->supported &= ~WAKE_UCAST; 1905 1906 if (adapter->wol & E1000_WUFC_EX) 1907 e_err("Interface does not support directed (unicast) frame wake-up packets\n"); 1908 } 1909 1910 if (adapter->wol & E1000_WUFC_EX) 1911 wol->wolopts |= WAKE_UCAST; 1912 if (adapter->wol & E1000_WUFC_MC) 1913 wol->wolopts |= WAKE_MCAST; 1914 if (adapter->wol & E1000_WUFC_BC) 1915 wol->wolopts |= WAKE_BCAST; 1916 if (adapter->wol & E1000_WUFC_MAG) 1917 wol->wolopts |= WAKE_MAGIC; 1918 if (adapter->wol & E1000_WUFC_LNKC) 1919 wol->wolopts |= WAKE_PHY; 1920 } 1921 1922 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1923 { 1924 struct e1000_adapter *adapter = netdev_priv(netdev); 1925 1926 if (!(adapter->flags & FLAG_HAS_WOL) || 1927 !device_can_wakeup(&adapter->pdev->dev) || 1928 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | 1929 WAKE_MAGIC | WAKE_PHY))) 1930 return -EOPNOTSUPP; 1931 1932 /* these settings will always override what we currently have */ 1933 adapter->wol = 0; 1934 1935 if (wol->wolopts & WAKE_UCAST) 1936 adapter->wol |= E1000_WUFC_EX; 1937 if (wol->wolopts & WAKE_MCAST) 1938 adapter->wol |= E1000_WUFC_MC; 1939 if (wol->wolopts & WAKE_BCAST) 1940 adapter->wol |= E1000_WUFC_BC; 1941 if (wol->wolopts & WAKE_MAGIC) 1942 adapter->wol |= E1000_WUFC_MAG; 1943 if (wol->wolopts & WAKE_PHY) 1944 adapter->wol |= E1000_WUFC_LNKC; 1945 1946 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 1947 1948 return 0; 1949 } 1950 1951 static int e1000_set_phys_id(struct net_device *netdev, 1952 enum ethtool_phys_id_state state) 1953 { 1954 struct e1000_adapter *adapter = netdev_priv(netdev); 1955 struct e1000_hw *hw = &adapter->hw; 1956 1957 switch (state) { 1958 case ETHTOOL_ID_ACTIVE: 1959 pm_runtime_get_sync(netdev->dev.parent); 1960 1961 if (!hw->mac.ops.blink_led) 1962 return 2; /* cycle on/off twice per second */ 1963 1964 hw->mac.ops.blink_led(hw); 1965 break; 1966 1967 case ETHTOOL_ID_INACTIVE: 1968 if (hw->phy.type == e1000_phy_ife) 1969 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); 1970 hw->mac.ops.led_off(hw); 1971 hw->mac.ops.cleanup_led(hw); 1972 pm_runtime_put_sync(netdev->dev.parent); 1973 break; 1974 1975 case ETHTOOL_ID_ON: 1976 hw->mac.ops.led_on(hw); 1977 break; 1978 1979 case ETHTOOL_ID_OFF: 1980 hw->mac.ops.led_off(hw); 1981 break; 1982 } 1983 1984 return 0; 1985 } 1986 1987 static int e1000_get_coalesce(struct net_device *netdev, 1988 struct ethtool_coalesce *ec, 1989 struct kernel_ethtool_coalesce *kernel_coal, 1990 struct netlink_ext_ack *extack) 1991 { 1992 struct e1000_adapter *adapter = netdev_priv(netdev); 1993 1994 if (adapter->itr_setting <= 4) 1995 ec->rx_coalesce_usecs = adapter->itr_setting; 1996 else 1997 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1998 1999 return 0; 2000 } 2001 2002 static int e1000_set_coalesce(struct net_device *netdev, 2003 struct ethtool_coalesce *ec, 2004 struct kernel_ethtool_coalesce *kernel_coal, 2005 struct netlink_ext_ack *extack) 2006 { 2007 struct e1000_adapter *adapter = netdev_priv(netdev); 2008 2009 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 2010 ((ec->rx_coalesce_usecs > 4) && 2011 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 2012 (ec->rx_coalesce_usecs == 2)) 2013 return -EINVAL; 2014 2015 if (ec->rx_coalesce_usecs == 4) { 2016 adapter->itr_setting = 4; 2017 adapter->itr = adapter->itr_setting; 2018 } else if (ec->rx_coalesce_usecs <= 3) { 2019 adapter->itr = 20000; 2020 adapter->itr_setting = ec->rx_coalesce_usecs; 2021 } else { 2022 adapter->itr = (1000000 / ec->rx_coalesce_usecs); 2023 adapter->itr_setting = adapter->itr & ~3; 2024 } 2025 2026 if (adapter->itr_setting != 0) 2027 e1000e_write_itr(adapter, adapter->itr); 2028 else 2029 e1000e_write_itr(adapter, 0); 2030 2031 return 0; 2032 } 2033 2034 static int e1000_nway_reset(struct net_device *netdev) 2035 { 2036 struct e1000_adapter *adapter = netdev_priv(netdev); 2037 2038 if (!netif_running(netdev)) 2039 return -EAGAIN; 2040 2041 if (!adapter->hw.mac.autoneg) 2042 return -EINVAL; 2043 2044 e1000e_reinit_locked(adapter); 2045 2046 return 0; 2047 } 2048 2049 static void e1000_get_ethtool_stats(struct net_device *netdev, 2050 struct ethtool_stats __always_unused *stats, 2051 u64 *data) 2052 { 2053 struct e1000_adapter *adapter = netdev_priv(netdev); 2054 struct rtnl_link_stats64 net_stats; 2055 int i; 2056 char *p = NULL; 2057 2058 dev_get_stats(netdev, &net_stats); 2059 2060 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 2061 switch (e1000_gstrings_stats[i].type) { 2062 case NETDEV_STATS: 2063 p = (char *)&net_stats + 2064 e1000_gstrings_stats[i].stat_offset; 2065 break; 2066 case E1000_STATS: 2067 p = (char *)adapter + 2068 e1000_gstrings_stats[i].stat_offset; 2069 break; 2070 default: 2071 data[i] = 0; 2072 continue; 2073 } 2074 2075 data[i] = (e1000_gstrings_stats[i].sizeof_stat == 2076 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 2077 } 2078 } 2079 2080 static void e1000_get_strings(struct net_device __always_unused *netdev, 2081 u32 stringset, u8 *data) 2082 { 2083 u8 *p = data; 2084 int i; 2085 2086 switch (stringset) { 2087 case ETH_SS_TEST: 2088 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); 2089 break; 2090 case ETH_SS_STATS: 2091 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 2092 memcpy(p, e1000_gstrings_stats[i].stat_string, 2093 ETH_GSTRING_LEN); 2094 p += ETH_GSTRING_LEN; 2095 } 2096 break; 2097 case ETH_SS_PRIV_FLAGS: 2098 memcpy(data, e1000e_priv_flags_strings, 2099 E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); 2100 break; 2101 } 2102 } 2103 2104 static int e1000_get_rxfh_fields(struct net_device *netdev, 2105 struct ethtool_rxfh_fields *info) 2106 { 2107 struct e1000_adapter *adapter = netdev_priv(netdev); 2108 struct e1000_hw *hw = &adapter->hw; 2109 u32 mrqc; 2110 2111 info->data = 0; 2112 2113 mrqc = er32(MRQC); 2114 2115 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK)) 2116 return 0; 2117 2118 switch (info->flow_type) { 2119 case TCP_V4_FLOW: 2120 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP) 2121 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 2122 fallthrough; 2123 case UDP_V4_FLOW: 2124 case SCTP_V4_FLOW: 2125 case AH_ESP_V4_FLOW: 2126 case IPV4_FLOW: 2127 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4) 2128 info->data |= RXH_IP_SRC | RXH_IP_DST; 2129 break; 2130 case TCP_V6_FLOW: 2131 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP) 2132 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 2133 fallthrough; 2134 case UDP_V6_FLOW: 2135 case SCTP_V6_FLOW: 2136 case AH_ESP_V6_FLOW: 2137 case IPV6_FLOW: 2138 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6) 2139 info->data |= RXH_IP_SRC | RXH_IP_DST; 2140 break; 2141 default: 2142 break; 2143 } 2144 return 0; 2145 } 2146 2147 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_keee *edata) 2148 { 2149 struct e1000_adapter *adapter = netdev_priv(netdev); 2150 struct e1000_hw *hw = &adapter->hw; 2151 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data; 2152 u32 ret_val; 2153 2154 if (!(adapter->flags2 & FLAG2_HAS_EEE)) 2155 return -EOPNOTSUPP; 2156 2157 switch (hw->phy.type) { 2158 case e1000_phy_82579: 2159 cap_addr = I82579_EEE_CAPABILITY; 2160 lpa_addr = I82579_EEE_LP_ABILITY; 2161 pcs_stat_addr = I82579_EEE_PCS_STATUS; 2162 break; 2163 case e1000_phy_i217: 2164 cap_addr = I217_EEE_CAPABILITY; 2165 lpa_addr = I217_EEE_LP_ABILITY; 2166 pcs_stat_addr = I217_EEE_PCS_STATUS; 2167 break; 2168 default: 2169 return -EOPNOTSUPP; 2170 } 2171 2172 ret_val = hw->phy.ops.acquire(hw); 2173 if (ret_val) 2174 return -EBUSY; 2175 2176 /* EEE Capability */ 2177 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data); 2178 if (ret_val) 2179 goto release; 2180 mii_eee_cap1_mod_linkmode_t(edata->supported, phy_data); 2181 2182 /* EEE Advertised */ 2183 mii_eee_cap1_mod_linkmode_t(edata->advertised, adapter->eee_advert); 2184 2185 /* EEE Link Partner Advertised */ 2186 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data); 2187 if (ret_val) 2188 goto release; 2189 mii_eee_cap1_mod_linkmode_t(edata->lp_advertised, phy_data); 2190 2191 /* EEE PCS Status */ 2192 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data); 2193 if (ret_val) 2194 goto release; 2195 if (hw->phy.type == e1000_phy_82579) 2196 phy_data <<= 8; 2197 2198 /* Result of the EEE auto negotiation - there is no register that 2199 * has the status of the EEE negotiation so do a best-guess based 2200 * on whether Tx or Rx LPI indications have been received. 2201 */ 2202 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD)) 2203 edata->eee_active = true; 2204 2205 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable; 2206 edata->tx_lpi_enabled = true; 2207 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT; 2208 2209 release: 2210 hw->phy.ops.release(hw); 2211 if (ret_val) 2212 ret_val = -ENODATA; 2213 2214 return ret_val; 2215 } 2216 2217 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_keee *edata) 2218 { 2219 struct e1000_adapter *adapter = netdev_priv(netdev); 2220 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = {}; 2221 __ETHTOOL_DECLARE_LINK_MODE_MASK(tmp) = {}; 2222 struct e1000_hw *hw = &adapter->hw; 2223 struct ethtool_keee eee_curr; 2224 s32 ret_val; 2225 2226 ret_val = e1000e_get_eee(netdev, &eee_curr); 2227 if (ret_val) 2228 return ret_val; 2229 2230 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) { 2231 e_err("Setting EEE tx-lpi is not supported\n"); 2232 return -EINVAL; 2233 } 2234 2235 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) { 2236 e_err("Setting EEE Tx LPI timer is not supported\n"); 2237 return -EINVAL; 2238 } 2239 2240 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 2241 supported); 2242 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, 2243 supported); 2244 2245 if (linkmode_andnot(tmp, edata->advertised, supported)) { 2246 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n"); 2247 return -EINVAL; 2248 } 2249 2250 adapter->eee_advert = linkmode_to_mii_eee_cap1_t(edata->advertised); 2251 2252 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled; 2253 2254 /* reset the link */ 2255 if (netif_running(netdev)) 2256 e1000e_reinit_locked(adapter); 2257 else 2258 e1000e_reset(adapter); 2259 2260 return 0; 2261 } 2262 2263 static int e1000e_get_ts_info(struct net_device *netdev, 2264 struct kernel_ethtool_ts_info *info) 2265 { 2266 struct e1000_adapter *adapter = netdev_priv(netdev); 2267 2268 ethtool_op_get_ts_info(netdev, info); 2269 2270 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP)) 2271 return 0; 2272 2273 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE | 2274 SOF_TIMESTAMPING_RX_HARDWARE | 2275 SOF_TIMESTAMPING_RAW_HARDWARE); 2276 2277 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 2278 2279 info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) | 2280 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 2281 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 2282 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 2283 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | 2284 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 2285 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | 2286 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | 2287 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) | 2288 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 2289 BIT(HWTSTAMP_FILTER_ALL)); 2290 2291 if (adapter->ptp_clock) 2292 info->phc_index = ptp_clock_index(adapter->ptp_clock); 2293 2294 return 0; 2295 } 2296 2297 static u32 e1000e_get_priv_flags(struct net_device *netdev) 2298 { 2299 struct e1000_adapter *adapter = netdev_priv(netdev); 2300 u32 priv_flags = 0; 2301 2302 if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) 2303 priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED; 2304 2305 if (adapter->flags2 & FLAG2_DISABLE_K1) 2306 priv_flags |= E1000E_PRIV_FLAGS_DISABLE_K1; 2307 2308 return priv_flags; 2309 } 2310 2311 static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags) 2312 { 2313 struct e1000_adapter *adapter = netdev_priv(netdev); 2314 struct e1000_hw *hw = &adapter->hw; 2315 unsigned int flags2 = adapter->flags2; 2316 unsigned int changed; 2317 2318 flags2 &= ~(FLAG2_ENABLE_S0IX_FLOWS | FLAG2_DISABLE_K1); 2319 2320 if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) { 2321 if (hw->mac.type < e1000_pch_cnp) { 2322 e_err("S0ix is not supported on this device\n"); 2323 return -EINVAL; 2324 } 2325 2326 flags2 |= FLAG2_ENABLE_S0IX_FLOWS; 2327 } 2328 2329 if (priv_flags & E1000E_PRIV_FLAGS_DISABLE_K1) { 2330 if (hw->mac.type < e1000_ich8lan) { 2331 e_err("Disabling K1 is not supported on this device\n"); 2332 return -EINVAL; 2333 } 2334 2335 flags2 |= FLAG2_DISABLE_K1; 2336 } 2337 2338 changed = adapter->flags2 ^ flags2; 2339 if (changed) 2340 adapter->flags2 = flags2; 2341 2342 if (changed & FLAG2_DISABLE_K1) { 2343 /* reset the hardware to apply the changes */ 2344 while (test_and_set_bit(__E1000_RESETTING, 2345 &adapter->state)) 2346 usleep_range(1000, 2000); 2347 2348 if (netif_running(adapter->netdev)) { 2349 e1000e_down(adapter, true); 2350 e1000e_up(adapter); 2351 } else { 2352 e1000e_reset(adapter); 2353 } 2354 2355 clear_bit(__E1000_RESETTING, &adapter->state); 2356 } 2357 2358 return 0; 2359 } 2360 2361 static const struct ethtool_ops e1000_ethtool_ops = { 2362 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, 2363 .get_drvinfo = e1000_get_drvinfo, 2364 .get_regs_len = e1000_get_regs_len, 2365 .get_regs = e1000_get_regs, 2366 .get_wol = e1000_get_wol, 2367 .set_wol = e1000_set_wol, 2368 .get_msglevel = e1000_get_msglevel, 2369 .set_msglevel = e1000_set_msglevel, 2370 .nway_reset = e1000_nway_reset, 2371 .get_link = ethtool_op_get_link, 2372 .get_eeprom_len = e1000_get_eeprom_len, 2373 .get_eeprom = e1000_get_eeprom, 2374 .set_eeprom = e1000_set_eeprom, 2375 .get_ringparam = e1000_get_ringparam, 2376 .set_ringparam = e1000_set_ringparam, 2377 .get_pauseparam = e1000_get_pauseparam, 2378 .set_pauseparam = e1000_set_pauseparam, 2379 .self_test = e1000_diag_test, 2380 .get_strings = e1000_get_strings, 2381 .set_phys_id = e1000_set_phys_id, 2382 .get_ethtool_stats = e1000_get_ethtool_stats, 2383 .get_sset_count = e1000e_get_sset_count, 2384 .get_coalesce = e1000_get_coalesce, 2385 .set_coalesce = e1000_set_coalesce, 2386 .get_rxfh_fields = e1000_get_rxfh_fields, 2387 .get_ts_info = e1000e_get_ts_info, 2388 .get_eee = e1000e_get_eee, 2389 .set_eee = e1000e_set_eee, 2390 .get_link_ksettings = e1000_get_link_ksettings, 2391 .set_link_ksettings = e1000_set_link_ksettings, 2392 .get_priv_flags = e1000e_get_priv_flags, 2393 .set_priv_flags = e1000e_set_priv_flags, 2394 }; 2395 2396 void e1000e_set_ethtool_ops(struct net_device *netdev) 2397 { 2398 netdev->ethtool_ops = &e1000_ethtool_ops; 2399 } 2400