1 /******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2012 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 Linux NICS <linux.nics@intel.com> 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 26 27 *******************************************************************************/ 28 29 /* ethtool support for e1000 */ 30 31 #include <linux/netdevice.h> 32 #include <linux/interrupt.h> 33 #include <linux/ethtool.h> 34 #include <linux/pci.h> 35 #include <linux/slab.h> 36 #include <linux/delay.h> 37 #include <linux/vmalloc.h> 38 39 #include "e1000.h" 40 41 enum {NETDEV_STATS, E1000_STATS}; 42 43 struct e1000_stats { 44 char stat_string[ETH_GSTRING_LEN]; 45 int type; 46 int sizeof_stat; 47 int stat_offset; 48 }; 49 50 #define E1000_STAT(str, m) { \ 51 .stat_string = str, \ 52 .type = E1000_STATS, \ 53 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ 54 .stat_offset = offsetof(struct e1000_adapter, m) } 55 #define E1000_NETDEV_STAT(str, m) { \ 56 .stat_string = str, \ 57 .type = NETDEV_STATS, \ 58 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ 59 .stat_offset = offsetof(struct rtnl_link_stats64, m) } 60 61 static const struct e1000_stats e1000_gstrings_stats[] = { 62 E1000_STAT("rx_packets", stats.gprc), 63 E1000_STAT("tx_packets", stats.gptc), 64 E1000_STAT("rx_bytes", stats.gorc), 65 E1000_STAT("tx_bytes", stats.gotc), 66 E1000_STAT("rx_broadcast", stats.bprc), 67 E1000_STAT("tx_broadcast", stats.bptc), 68 E1000_STAT("rx_multicast", stats.mprc), 69 E1000_STAT("tx_multicast", stats.mptc), 70 E1000_NETDEV_STAT("rx_errors", rx_errors), 71 E1000_NETDEV_STAT("tx_errors", tx_errors), 72 E1000_NETDEV_STAT("tx_dropped", tx_dropped), 73 E1000_STAT("multicast", stats.mprc), 74 E1000_STAT("collisions", stats.colc), 75 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), 76 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), 77 E1000_STAT("rx_crc_errors", stats.crcerrs), 78 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), 79 E1000_STAT("rx_no_buffer_count", stats.rnbc), 80 E1000_STAT("rx_missed_errors", stats.mpc), 81 E1000_STAT("tx_aborted_errors", stats.ecol), 82 E1000_STAT("tx_carrier_errors", stats.tncrs), 83 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), 84 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), 85 E1000_STAT("tx_window_errors", stats.latecol), 86 E1000_STAT("tx_abort_late_coll", stats.latecol), 87 E1000_STAT("tx_deferred_ok", stats.dc), 88 E1000_STAT("tx_single_coll_ok", stats.scc), 89 E1000_STAT("tx_multi_coll_ok", stats.mcc), 90 E1000_STAT("tx_timeout_count", tx_timeout_count), 91 E1000_STAT("tx_restart_queue", restart_queue), 92 E1000_STAT("rx_long_length_errors", stats.roc), 93 E1000_STAT("rx_short_length_errors", stats.ruc), 94 E1000_STAT("rx_align_errors", stats.algnerrc), 95 E1000_STAT("tx_tcp_seg_good", stats.tsctc), 96 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), 97 E1000_STAT("rx_flow_control_xon", stats.xonrxc), 98 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), 99 E1000_STAT("tx_flow_control_xon", stats.xontxc), 100 E1000_STAT("tx_flow_control_xoff", stats.xofftxc), 101 E1000_STAT("rx_long_byte_count", stats.gorc), 102 E1000_STAT("rx_csum_offload_good", hw_csum_good), 103 E1000_STAT("rx_csum_offload_errors", hw_csum_err), 104 E1000_STAT("rx_header_split", rx_hdr_split), 105 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), 106 E1000_STAT("tx_smbus", stats.mgptc), 107 E1000_STAT("rx_smbus", stats.mgprc), 108 E1000_STAT("dropped_smbus", stats.mgpdc), 109 E1000_STAT("rx_dma_failed", rx_dma_failed), 110 E1000_STAT("tx_dma_failed", tx_dma_failed), 111 }; 112 113 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) 114 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) 115 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { 116 "Register test (offline)", "Eeprom test (offline)", 117 "Interrupt test (offline)", "Loopback test (offline)", 118 "Link test (on/offline)" 119 }; 120 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) 121 122 static int e1000_get_settings(struct net_device *netdev, 123 struct ethtool_cmd *ecmd) 124 { 125 struct e1000_adapter *adapter = netdev_priv(netdev); 126 struct e1000_hw *hw = &adapter->hw; 127 u32 speed; 128 129 if (hw->phy.media_type == e1000_media_type_copper) { 130 131 ecmd->supported = (SUPPORTED_10baseT_Half | 132 SUPPORTED_10baseT_Full | 133 SUPPORTED_100baseT_Half | 134 SUPPORTED_100baseT_Full | 135 SUPPORTED_1000baseT_Full | 136 SUPPORTED_Autoneg | 137 SUPPORTED_TP); 138 if (hw->phy.type == e1000_phy_ife) 139 ecmd->supported &= ~SUPPORTED_1000baseT_Full; 140 ecmd->advertising = ADVERTISED_TP; 141 142 if (hw->mac.autoneg == 1) { 143 ecmd->advertising |= ADVERTISED_Autoneg; 144 /* the e1000 autoneg seems to match ethtool nicely */ 145 ecmd->advertising |= hw->phy.autoneg_advertised; 146 } 147 148 ecmd->port = PORT_TP; 149 ecmd->phy_address = hw->phy.addr; 150 ecmd->transceiver = XCVR_INTERNAL; 151 152 } else { 153 ecmd->supported = (SUPPORTED_1000baseT_Full | 154 SUPPORTED_FIBRE | 155 SUPPORTED_Autoneg); 156 157 ecmd->advertising = (ADVERTISED_1000baseT_Full | 158 ADVERTISED_FIBRE | 159 ADVERTISED_Autoneg); 160 161 ecmd->port = PORT_FIBRE; 162 ecmd->transceiver = XCVR_EXTERNAL; 163 } 164 165 speed = -1; 166 ecmd->duplex = -1; 167 168 if (netif_running(netdev)) { 169 if (netif_carrier_ok(netdev)) { 170 speed = adapter->link_speed; 171 ecmd->duplex = adapter->link_duplex - 1; 172 } 173 } else { 174 u32 status = er32(STATUS); 175 if (status & E1000_STATUS_LU) { 176 if (status & E1000_STATUS_SPEED_1000) 177 speed = SPEED_1000; 178 else if (status & E1000_STATUS_SPEED_100) 179 speed = SPEED_100; 180 else 181 speed = SPEED_10; 182 183 if (status & E1000_STATUS_FD) 184 ecmd->duplex = DUPLEX_FULL; 185 else 186 ecmd->duplex = DUPLEX_HALF; 187 } 188 } 189 190 ethtool_cmd_speed_set(ecmd, speed); 191 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || 192 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; 193 194 /* MDI-X => 2; MDI =>1; Invalid =>0 */ 195 if ((hw->phy.media_type == e1000_media_type_copper) && 196 netif_carrier_ok(netdev)) 197 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : 198 ETH_TP_MDI; 199 else 200 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; 201 202 return 0; 203 } 204 205 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) 206 { 207 struct e1000_mac_info *mac = &adapter->hw.mac; 208 209 mac->autoneg = 0; 210 211 /* Make sure dplx is at most 1 bit and lsb of speed is not set 212 * for the switch() below to work */ 213 if ((spd & 1) || (dplx & ~1)) 214 goto err_inval; 215 216 /* Fiber NICs only allow 1000 gbps Full duplex */ 217 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && 218 spd != SPEED_1000 && 219 dplx != DUPLEX_FULL) { 220 goto err_inval; 221 } 222 223 switch (spd + dplx) { 224 case SPEED_10 + DUPLEX_HALF: 225 mac->forced_speed_duplex = ADVERTISE_10_HALF; 226 break; 227 case SPEED_10 + DUPLEX_FULL: 228 mac->forced_speed_duplex = ADVERTISE_10_FULL; 229 break; 230 case SPEED_100 + DUPLEX_HALF: 231 mac->forced_speed_duplex = ADVERTISE_100_HALF; 232 break; 233 case SPEED_100 + DUPLEX_FULL: 234 mac->forced_speed_duplex = ADVERTISE_100_FULL; 235 break; 236 case SPEED_1000 + DUPLEX_FULL: 237 mac->autoneg = 1; 238 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; 239 break; 240 case SPEED_1000 + DUPLEX_HALF: /* not supported */ 241 default: 242 goto err_inval; 243 } 244 return 0; 245 246 err_inval: 247 e_err("Unsupported Speed/Duplex configuration\n"); 248 return -EINVAL; 249 } 250 251 static int e1000_set_settings(struct net_device *netdev, 252 struct ethtool_cmd *ecmd) 253 { 254 struct e1000_adapter *adapter = netdev_priv(netdev); 255 struct e1000_hw *hw = &adapter->hw; 256 257 /* 258 * When SoL/IDER sessions are active, autoneg/speed/duplex 259 * cannot be changed 260 */ 261 if (hw->phy.ops.check_reset_block(hw)) { 262 e_err("Cannot change link characteristics when SoL/IDER is " 263 "active.\n"); 264 return -EINVAL; 265 } 266 267 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 268 usleep_range(1000, 2000); 269 270 if (ecmd->autoneg == AUTONEG_ENABLE) { 271 hw->mac.autoneg = 1; 272 if (hw->phy.media_type == e1000_media_type_fiber) 273 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | 274 ADVERTISED_FIBRE | 275 ADVERTISED_Autoneg; 276 else 277 hw->phy.autoneg_advertised = ecmd->advertising | 278 ADVERTISED_TP | 279 ADVERTISED_Autoneg; 280 ecmd->advertising = hw->phy.autoneg_advertised; 281 if (adapter->fc_autoneg) 282 hw->fc.requested_mode = e1000_fc_default; 283 } else { 284 u32 speed = ethtool_cmd_speed(ecmd); 285 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { 286 clear_bit(__E1000_RESETTING, &adapter->state); 287 return -EINVAL; 288 } 289 } 290 291 /* reset the link */ 292 293 if (netif_running(adapter->netdev)) { 294 e1000e_down(adapter); 295 e1000e_up(adapter); 296 } else { 297 e1000e_reset(adapter); 298 } 299 300 clear_bit(__E1000_RESETTING, &adapter->state); 301 return 0; 302 } 303 304 static void e1000_get_pauseparam(struct net_device *netdev, 305 struct ethtool_pauseparam *pause) 306 { 307 struct e1000_adapter *adapter = netdev_priv(netdev); 308 struct e1000_hw *hw = &adapter->hw; 309 310 pause->autoneg = 311 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 312 313 if (hw->fc.current_mode == e1000_fc_rx_pause) { 314 pause->rx_pause = 1; 315 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { 316 pause->tx_pause = 1; 317 } else if (hw->fc.current_mode == e1000_fc_full) { 318 pause->rx_pause = 1; 319 pause->tx_pause = 1; 320 } 321 } 322 323 static int e1000_set_pauseparam(struct net_device *netdev, 324 struct ethtool_pauseparam *pause) 325 { 326 struct e1000_adapter *adapter = netdev_priv(netdev); 327 struct e1000_hw *hw = &adapter->hw; 328 int retval = 0; 329 330 adapter->fc_autoneg = pause->autoneg; 331 332 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 333 usleep_range(1000, 2000); 334 335 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 336 hw->fc.requested_mode = e1000_fc_default; 337 if (netif_running(adapter->netdev)) { 338 e1000e_down(adapter); 339 e1000e_up(adapter); 340 } else { 341 e1000e_reset(adapter); 342 } 343 } else { 344 if (pause->rx_pause && pause->tx_pause) 345 hw->fc.requested_mode = e1000_fc_full; 346 else if (pause->rx_pause && !pause->tx_pause) 347 hw->fc.requested_mode = e1000_fc_rx_pause; 348 else if (!pause->rx_pause && pause->tx_pause) 349 hw->fc.requested_mode = e1000_fc_tx_pause; 350 else if (!pause->rx_pause && !pause->tx_pause) 351 hw->fc.requested_mode = e1000_fc_none; 352 353 hw->fc.current_mode = hw->fc.requested_mode; 354 355 if (hw->phy.media_type == e1000_media_type_fiber) { 356 retval = hw->mac.ops.setup_link(hw); 357 /* implicit goto out */ 358 } else { 359 retval = e1000e_force_mac_fc(hw); 360 if (retval) 361 goto out; 362 e1000e_set_fc_watermarks(hw); 363 } 364 } 365 366 out: 367 clear_bit(__E1000_RESETTING, &adapter->state); 368 return retval; 369 } 370 371 static u32 e1000_get_msglevel(struct net_device *netdev) 372 { 373 struct e1000_adapter *adapter = netdev_priv(netdev); 374 return adapter->msg_enable; 375 } 376 377 static void e1000_set_msglevel(struct net_device *netdev, u32 data) 378 { 379 struct e1000_adapter *adapter = netdev_priv(netdev); 380 adapter->msg_enable = data; 381 } 382 383 static int e1000_get_regs_len(struct net_device *netdev) 384 { 385 #define E1000_REGS_LEN 32 /* overestimate */ 386 return E1000_REGS_LEN * sizeof(u32); 387 } 388 389 static void e1000_get_regs(struct net_device *netdev, 390 struct ethtool_regs *regs, void *p) 391 { 392 struct e1000_adapter *adapter = netdev_priv(netdev); 393 struct e1000_hw *hw = &adapter->hw; 394 u32 *regs_buff = p; 395 u16 phy_data; 396 397 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); 398 399 regs->version = (1 << 24) | (adapter->pdev->revision << 16) | 400 adapter->pdev->device; 401 402 regs_buff[0] = er32(CTRL); 403 regs_buff[1] = er32(STATUS); 404 405 regs_buff[2] = er32(RCTL); 406 regs_buff[3] = er32(RDLEN); 407 regs_buff[4] = er32(RDH); 408 regs_buff[5] = er32(RDT); 409 regs_buff[6] = er32(RDTR); 410 411 regs_buff[7] = er32(TCTL); 412 regs_buff[8] = er32(TDLEN); 413 regs_buff[9] = er32(TDH); 414 regs_buff[10] = er32(TDT); 415 regs_buff[11] = er32(TIDV); 416 417 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ 418 419 /* ethtool doesn't use anything past this point, so all this 420 * code is likely legacy junk for apps that may or may not 421 * exist */ 422 if (hw->phy.type == e1000_phy_m88) { 423 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); 424 regs_buff[13] = (u32)phy_data; /* cable length */ 425 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 426 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 427 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 428 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); 429 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ 430 regs_buff[18] = regs_buff[13]; /* cable polarity */ 431 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 432 regs_buff[20] = regs_buff[17]; /* polarity correction */ 433 /* phy receive errors */ 434 regs_buff[22] = adapter->phy_stats.receive_errors; 435 regs_buff[23] = regs_buff[13]; /* mdix mode */ 436 } 437 regs_buff[21] = 0; /* was idle_errors */ 438 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); 439 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ 440 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ 441 } 442 443 static int e1000_get_eeprom_len(struct net_device *netdev) 444 { 445 struct e1000_adapter *adapter = netdev_priv(netdev); 446 return adapter->hw.nvm.word_size * 2; 447 } 448 449 static int e1000_get_eeprom(struct net_device *netdev, 450 struct ethtool_eeprom *eeprom, u8 *bytes) 451 { 452 struct e1000_adapter *adapter = netdev_priv(netdev); 453 struct e1000_hw *hw = &adapter->hw; 454 u16 *eeprom_buff; 455 int first_word; 456 int last_word; 457 int ret_val = 0; 458 u16 i; 459 460 if (eeprom->len == 0) 461 return -EINVAL; 462 463 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); 464 465 first_word = eeprom->offset >> 1; 466 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 467 468 eeprom_buff = kmalloc(sizeof(u16) * 469 (last_word - first_word + 1), GFP_KERNEL); 470 if (!eeprom_buff) 471 return -ENOMEM; 472 473 if (hw->nvm.type == e1000_nvm_eeprom_spi) { 474 ret_val = e1000_read_nvm(hw, first_word, 475 last_word - first_word + 1, 476 eeprom_buff); 477 } else { 478 for (i = 0; i < last_word - first_word + 1; i++) { 479 ret_val = e1000_read_nvm(hw, first_word + i, 1, 480 &eeprom_buff[i]); 481 if (ret_val) 482 break; 483 } 484 } 485 486 if (ret_val) { 487 /* a read error occurred, throw away the result */ 488 memset(eeprom_buff, 0xff, sizeof(u16) * 489 (last_word - first_word + 1)); 490 } else { 491 /* Device's eeprom is always little-endian, word addressable */ 492 for (i = 0; i < last_word - first_word + 1; i++) 493 le16_to_cpus(&eeprom_buff[i]); 494 } 495 496 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); 497 kfree(eeprom_buff); 498 499 return ret_val; 500 } 501 502 static int e1000_set_eeprom(struct net_device *netdev, 503 struct ethtool_eeprom *eeprom, u8 *bytes) 504 { 505 struct e1000_adapter *adapter = netdev_priv(netdev); 506 struct e1000_hw *hw = &adapter->hw; 507 u16 *eeprom_buff; 508 void *ptr; 509 int max_len; 510 int first_word; 511 int last_word; 512 int ret_val = 0; 513 u16 i; 514 515 if (eeprom->len == 0) 516 return -EOPNOTSUPP; 517 518 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) 519 return -EFAULT; 520 521 if (adapter->flags & FLAG_READ_ONLY_NVM) 522 return -EINVAL; 523 524 max_len = hw->nvm.word_size * 2; 525 526 first_word = eeprom->offset >> 1; 527 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 528 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 529 if (!eeprom_buff) 530 return -ENOMEM; 531 532 ptr = (void *)eeprom_buff; 533 534 if (eeprom->offset & 1) { 535 /* need read/modify/write of first changed EEPROM word */ 536 /* only the second byte of the word is being modified */ 537 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); 538 ptr++; 539 } 540 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val)) 541 /* need read/modify/write of last changed EEPROM word */ 542 /* only the first byte of the word is being modified */ 543 ret_val = e1000_read_nvm(hw, last_word, 1, 544 &eeprom_buff[last_word - first_word]); 545 546 if (ret_val) 547 goto out; 548 549 /* Device's eeprom is always little-endian, word addressable */ 550 for (i = 0; i < last_word - first_word + 1; i++) 551 le16_to_cpus(&eeprom_buff[i]); 552 553 memcpy(ptr, bytes, eeprom->len); 554 555 for (i = 0; i < last_word - first_word + 1; i++) 556 cpu_to_le16s(&eeprom_buff[i]); 557 558 ret_val = e1000_write_nvm(hw, first_word, 559 last_word - first_word + 1, eeprom_buff); 560 561 if (ret_val) 562 goto out; 563 564 /* 565 * Update the checksum over the first part of the EEPROM if needed 566 * and flush shadow RAM for applicable controllers 567 */ 568 if ((first_word <= NVM_CHECKSUM_REG) || 569 (hw->mac.type == e1000_82583) || 570 (hw->mac.type == e1000_82574) || 571 (hw->mac.type == e1000_82573)) 572 ret_val = e1000e_update_nvm_checksum(hw); 573 574 out: 575 kfree(eeprom_buff); 576 return ret_val; 577 } 578 579 static void e1000_get_drvinfo(struct net_device *netdev, 580 struct ethtool_drvinfo *drvinfo) 581 { 582 struct e1000_adapter *adapter = netdev_priv(netdev); 583 584 strlcpy(drvinfo->driver, e1000e_driver_name, 585 sizeof(drvinfo->driver)); 586 strlcpy(drvinfo->version, e1000e_driver_version, 587 sizeof(drvinfo->version)); 588 589 /* 590 * EEPROM image version # is reported as firmware version # for 591 * PCI-E controllers 592 */ 593 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 594 "%d.%d-%d", 595 (adapter->eeprom_vers & 0xF000) >> 12, 596 (adapter->eeprom_vers & 0x0FF0) >> 4, 597 (adapter->eeprom_vers & 0x000F)); 598 599 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 600 sizeof(drvinfo->bus_info)); 601 drvinfo->regdump_len = e1000_get_regs_len(netdev); 602 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); 603 } 604 605 static void e1000_get_ringparam(struct net_device *netdev, 606 struct ethtool_ringparam *ring) 607 { 608 struct e1000_adapter *adapter = netdev_priv(netdev); 609 610 ring->rx_max_pending = E1000_MAX_RXD; 611 ring->tx_max_pending = E1000_MAX_TXD; 612 ring->rx_pending = adapter->rx_ring_count; 613 ring->tx_pending = adapter->tx_ring_count; 614 } 615 616 static int e1000_set_ringparam(struct net_device *netdev, 617 struct ethtool_ringparam *ring) 618 { 619 struct e1000_adapter *adapter = netdev_priv(netdev); 620 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL; 621 int err = 0, size = sizeof(struct e1000_ring); 622 bool set_tx = false, set_rx = false; 623 u16 new_rx_count, new_tx_count; 624 625 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 626 return -EINVAL; 627 628 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD, 629 E1000_MAX_RXD); 630 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); 631 632 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD, 633 E1000_MAX_TXD); 634 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); 635 636 if ((new_tx_count == adapter->tx_ring_count) && 637 (new_rx_count == adapter->rx_ring_count)) 638 /* nothing to do */ 639 return 0; 640 641 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 642 usleep_range(1000, 2000); 643 644 if (!netif_running(adapter->netdev)) { 645 /* Set counts now and allocate resources during open() */ 646 adapter->tx_ring->count = new_tx_count; 647 adapter->rx_ring->count = new_rx_count; 648 adapter->tx_ring_count = new_tx_count; 649 adapter->rx_ring_count = new_rx_count; 650 goto clear_reset; 651 } 652 653 set_tx = (new_tx_count != adapter->tx_ring_count); 654 set_rx = (new_rx_count != adapter->rx_ring_count); 655 656 /* Allocate temporary storage for ring updates */ 657 if (set_tx) { 658 temp_tx = vmalloc(size); 659 if (!temp_tx) { 660 err = -ENOMEM; 661 goto free_temp; 662 } 663 } 664 if (set_rx) { 665 temp_rx = vmalloc(size); 666 if (!temp_rx) { 667 err = -ENOMEM; 668 goto free_temp; 669 } 670 } 671 672 e1000e_down(adapter); 673 674 /* 675 * We can't just free everything and then setup again, because the 676 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring 677 * structs. First, attempt to allocate new resources... 678 */ 679 if (set_tx) { 680 memcpy(temp_tx, adapter->tx_ring, size); 681 temp_tx->count = new_tx_count; 682 err = e1000e_setup_tx_resources(temp_tx); 683 if (err) 684 goto err_setup; 685 } 686 if (set_rx) { 687 memcpy(temp_rx, adapter->rx_ring, size); 688 temp_rx->count = new_rx_count; 689 err = e1000e_setup_rx_resources(temp_rx); 690 if (err) 691 goto err_setup_rx; 692 } 693 694 /* ...then free the old resources and copy back any new ring data */ 695 if (set_tx) { 696 e1000e_free_tx_resources(adapter->tx_ring); 697 memcpy(adapter->tx_ring, temp_tx, size); 698 adapter->tx_ring_count = new_tx_count; 699 } 700 if (set_rx) { 701 e1000e_free_rx_resources(adapter->rx_ring); 702 memcpy(adapter->rx_ring, temp_rx, size); 703 adapter->rx_ring_count = new_rx_count; 704 } 705 706 err_setup_rx: 707 if (err && set_tx) 708 e1000e_free_tx_resources(temp_tx); 709 err_setup: 710 e1000e_up(adapter); 711 free_temp: 712 vfree(temp_tx); 713 vfree(temp_rx); 714 clear_reset: 715 clear_bit(__E1000_RESETTING, &adapter->state); 716 return err; 717 } 718 719 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, 720 int reg, int offset, u32 mask, u32 write) 721 { 722 u32 pat, val; 723 static const u32 test[] = { 724 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; 725 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { 726 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, 727 (test[pat] & write)); 728 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); 729 if (val != (test[pat] & write & mask)) { 730 e_err("pattern test reg %04X failed: got 0x%08X " 731 "expected 0x%08X\n", reg + offset, val, 732 (test[pat] & write & mask)); 733 *data = reg; 734 return 1; 735 } 736 } 737 return 0; 738 } 739 740 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, 741 int reg, u32 mask, u32 write) 742 { 743 u32 val; 744 __ew32(&adapter->hw, reg, write & mask); 745 val = __er32(&adapter->hw, reg); 746 if ((write & mask) != (val & mask)) { 747 e_err("set/check reg %04X test failed: got 0x%08X " 748 "expected 0x%08X\n", reg, (val & mask), (write & mask)); 749 *data = reg; 750 return 1; 751 } 752 return 0; 753 } 754 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ 755 do { \ 756 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ 757 return 1; \ 758 } while (0) 759 #define REG_PATTERN_TEST(reg, mask, write) \ 760 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) 761 762 #define REG_SET_AND_CHECK(reg, mask, write) \ 763 do { \ 764 if (reg_set_and_check(adapter, data, reg, mask, write)) \ 765 return 1; \ 766 } while (0) 767 768 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) 769 { 770 struct e1000_hw *hw = &adapter->hw; 771 struct e1000_mac_info *mac = &adapter->hw.mac; 772 u32 value; 773 u32 before; 774 u32 after; 775 u32 i; 776 u32 toggle; 777 u32 mask; 778 779 /* 780 * The status register is Read Only, so a write should fail. 781 * Some bits that get toggled are ignored. 782 */ 783 switch (mac->type) { 784 /* there are several bits on newer hardware that are r/w */ 785 case e1000_82571: 786 case e1000_82572: 787 case e1000_80003es2lan: 788 toggle = 0x7FFFF3FF; 789 break; 790 default: 791 toggle = 0x7FFFF033; 792 break; 793 } 794 795 before = er32(STATUS); 796 value = (er32(STATUS) & toggle); 797 ew32(STATUS, toggle); 798 after = er32(STATUS) & toggle; 799 if (value != after) { 800 e_err("failed STATUS register test got: 0x%08X expected: " 801 "0x%08X\n", after, value); 802 *data = 1; 803 return 1; 804 } 805 /* restore previous status */ 806 ew32(STATUS, before); 807 808 if (!(adapter->flags & FLAG_IS_ICH)) { 809 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); 810 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); 811 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); 812 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); 813 } 814 815 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); 816 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 817 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); 818 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); 819 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); 820 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); 821 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); 822 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); 823 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 824 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); 825 826 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); 827 828 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); 829 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); 830 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); 831 832 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); 833 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 834 if (!(adapter->flags & FLAG_IS_ICH)) 835 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); 836 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 837 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); 838 mask = 0x8003FFFF; 839 switch (mac->type) { 840 case e1000_ich10lan: 841 case e1000_pchlan: 842 case e1000_pch2lan: 843 mask |= (1 << 18); 844 break; 845 default: 846 break; 847 } 848 for (i = 0; i < mac->rar_entry_count; i++) 849 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), 850 mask, 0xFFFFFFFF); 851 852 for (i = 0; i < mac->mta_reg_count; i++) 853 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); 854 855 *data = 0; 856 return 0; 857 } 858 859 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) 860 { 861 u16 temp; 862 u16 checksum = 0; 863 u16 i; 864 865 *data = 0; 866 /* Read and add up the contents of the EEPROM */ 867 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { 868 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { 869 *data = 1; 870 return *data; 871 } 872 checksum += temp; 873 } 874 875 /* If Checksum is not Correct return error else test passed */ 876 if ((checksum != (u16) NVM_SUM) && !(*data)) 877 *data = 2; 878 879 return *data; 880 } 881 882 static irqreturn_t e1000_test_intr(int irq, void *data) 883 { 884 struct net_device *netdev = (struct net_device *) data; 885 struct e1000_adapter *adapter = netdev_priv(netdev); 886 struct e1000_hw *hw = &adapter->hw; 887 888 adapter->test_icr |= er32(ICR); 889 890 return IRQ_HANDLED; 891 } 892 893 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) 894 { 895 struct net_device *netdev = adapter->netdev; 896 struct e1000_hw *hw = &adapter->hw; 897 u32 mask; 898 u32 shared_int = 1; 899 u32 irq = adapter->pdev->irq; 900 int i; 901 int ret_val = 0; 902 int int_mode = E1000E_INT_MODE_LEGACY; 903 904 *data = 0; 905 906 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ 907 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { 908 int_mode = adapter->int_mode; 909 e1000e_reset_interrupt_capability(adapter); 910 adapter->int_mode = E1000E_INT_MODE_LEGACY; 911 e1000e_set_interrupt_capability(adapter); 912 } 913 /* Hook up test interrupt handler just for this test */ 914 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, 915 netdev)) { 916 shared_int = 0; 917 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, 918 netdev->name, netdev)) { 919 *data = 1; 920 ret_val = -1; 921 goto out; 922 } 923 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); 924 925 /* Disable all the interrupts */ 926 ew32(IMC, 0xFFFFFFFF); 927 e1e_flush(); 928 usleep_range(10000, 20000); 929 930 /* Test each interrupt */ 931 for (i = 0; i < 10; i++) { 932 /* Interrupt to test */ 933 mask = 1 << i; 934 935 if (adapter->flags & FLAG_IS_ICH) { 936 switch (mask) { 937 case E1000_ICR_RXSEQ: 938 continue; 939 case 0x00000100: 940 if (adapter->hw.mac.type == e1000_ich8lan || 941 adapter->hw.mac.type == e1000_ich9lan) 942 continue; 943 break; 944 default: 945 break; 946 } 947 } 948 949 if (!shared_int) { 950 /* 951 * Disable the interrupt to be reported in 952 * the cause register and then force the same 953 * interrupt and see if one gets posted. If 954 * an interrupt was posted to the bus, the 955 * test failed. 956 */ 957 adapter->test_icr = 0; 958 ew32(IMC, mask); 959 ew32(ICS, mask); 960 e1e_flush(); 961 usleep_range(10000, 20000); 962 963 if (adapter->test_icr & mask) { 964 *data = 3; 965 break; 966 } 967 } 968 969 /* 970 * Enable the interrupt to be reported in 971 * the cause register and then force the same 972 * interrupt and see if one gets posted. If 973 * an interrupt was not posted to the bus, the 974 * test failed. 975 */ 976 adapter->test_icr = 0; 977 ew32(IMS, mask); 978 ew32(ICS, mask); 979 e1e_flush(); 980 usleep_range(10000, 20000); 981 982 if (!(adapter->test_icr & mask)) { 983 *data = 4; 984 break; 985 } 986 987 if (!shared_int) { 988 /* 989 * Disable the other interrupts to be reported in 990 * the cause register and then force the other 991 * interrupts and see if any get posted. If 992 * an interrupt was posted to the bus, the 993 * test failed. 994 */ 995 adapter->test_icr = 0; 996 ew32(IMC, ~mask & 0x00007FFF); 997 ew32(ICS, ~mask & 0x00007FFF); 998 e1e_flush(); 999 usleep_range(10000, 20000); 1000 1001 if (adapter->test_icr) { 1002 *data = 5; 1003 break; 1004 } 1005 } 1006 } 1007 1008 /* Disable all the interrupts */ 1009 ew32(IMC, 0xFFFFFFFF); 1010 e1e_flush(); 1011 usleep_range(10000, 20000); 1012 1013 /* Unhook test interrupt handler */ 1014 free_irq(irq, netdev); 1015 1016 out: 1017 if (int_mode == E1000E_INT_MODE_MSIX) { 1018 e1000e_reset_interrupt_capability(adapter); 1019 adapter->int_mode = int_mode; 1020 e1000e_set_interrupt_capability(adapter); 1021 } 1022 1023 return ret_val; 1024 } 1025 1026 static void e1000_free_desc_rings(struct e1000_adapter *adapter) 1027 { 1028 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1029 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1030 struct pci_dev *pdev = adapter->pdev; 1031 int i; 1032 1033 if (tx_ring->desc && tx_ring->buffer_info) { 1034 for (i = 0; i < tx_ring->count; i++) { 1035 if (tx_ring->buffer_info[i].dma) 1036 dma_unmap_single(&pdev->dev, 1037 tx_ring->buffer_info[i].dma, 1038 tx_ring->buffer_info[i].length, 1039 DMA_TO_DEVICE); 1040 if (tx_ring->buffer_info[i].skb) 1041 dev_kfree_skb(tx_ring->buffer_info[i].skb); 1042 } 1043 } 1044 1045 if (rx_ring->desc && rx_ring->buffer_info) { 1046 for (i = 0; i < rx_ring->count; i++) { 1047 if (rx_ring->buffer_info[i].dma) 1048 dma_unmap_single(&pdev->dev, 1049 rx_ring->buffer_info[i].dma, 1050 2048, DMA_FROM_DEVICE); 1051 if (rx_ring->buffer_info[i].skb) 1052 dev_kfree_skb(rx_ring->buffer_info[i].skb); 1053 } 1054 } 1055 1056 if (tx_ring->desc) { 1057 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, 1058 tx_ring->dma); 1059 tx_ring->desc = NULL; 1060 } 1061 if (rx_ring->desc) { 1062 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, 1063 rx_ring->dma); 1064 rx_ring->desc = NULL; 1065 } 1066 1067 kfree(tx_ring->buffer_info); 1068 tx_ring->buffer_info = NULL; 1069 kfree(rx_ring->buffer_info); 1070 rx_ring->buffer_info = NULL; 1071 } 1072 1073 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) 1074 { 1075 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1076 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1077 struct pci_dev *pdev = adapter->pdev; 1078 struct e1000_hw *hw = &adapter->hw; 1079 u32 rctl; 1080 int i; 1081 int ret_val; 1082 1083 /* Setup Tx descriptor ring and Tx buffers */ 1084 1085 if (!tx_ring->count) 1086 tx_ring->count = E1000_DEFAULT_TXD; 1087 1088 tx_ring->buffer_info = kcalloc(tx_ring->count, 1089 sizeof(struct e1000_buffer), 1090 GFP_KERNEL); 1091 if (!tx_ring->buffer_info) { 1092 ret_val = 1; 1093 goto err_nomem; 1094 } 1095 1096 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); 1097 tx_ring->size = ALIGN(tx_ring->size, 4096); 1098 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, 1099 &tx_ring->dma, GFP_KERNEL); 1100 if (!tx_ring->desc) { 1101 ret_val = 2; 1102 goto err_nomem; 1103 } 1104 tx_ring->next_to_use = 0; 1105 tx_ring->next_to_clean = 0; 1106 1107 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); 1108 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); 1109 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); 1110 ew32(TDH, 0); 1111 ew32(TDT, 0); 1112 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | 1113 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | 1114 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); 1115 1116 for (i = 0; i < tx_ring->count; i++) { 1117 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); 1118 struct sk_buff *skb; 1119 unsigned int skb_size = 1024; 1120 1121 skb = alloc_skb(skb_size, GFP_KERNEL); 1122 if (!skb) { 1123 ret_val = 3; 1124 goto err_nomem; 1125 } 1126 skb_put(skb, skb_size); 1127 tx_ring->buffer_info[i].skb = skb; 1128 tx_ring->buffer_info[i].length = skb->len; 1129 tx_ring->buffer_info[i].dma = 1130 dma_map_single(&pdev->dev, skb->data, skb->len, 1131 DMA_TO_DEVICE); 1132 if (dma_mapping_error(&pdev->dev, 1133 tx_ring->buffer_info[i].dma)) { 1134 ret_val = 4; 1135 goto err_nomem; 1136 } 1137 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); 1138 tx_desc->lower.data = cpu_to_le32(skb->len); 1139 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | 1140 E1000_TXD_CMD_IFCS | 1141 E1000_TXD_CMD_RS); 1142 tx_desc->upper.data = 0; 1143 } 1144 1145 /* Setup Rx descriptor ring and Rx buffers */ 1146 1147 if (!rx_ring->count) 1148 rx_ring->count = E1000_DEFAULT_RXD; 1149 1150 rx_ring->buffer_info = kcalloc(rx_ring->count, 1151 sizeof(struct e1000_buffer), 1152 GFP_KERNEL); 1153 if (!rx_ring->buffer_info) { 1154 ret_val = 5; 1155 goto err_nomem; 1156 } 1157 1158 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended); 1159 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, 1160 &rx_ring->dma, GFP_KERNEL); 1161 if (!rx_ring->desc) { 1162 ret_val = 6; 1163 goto err_nomem; 1164 } 1165 rx_ring->next_to_use = 0; 1166 rx_ring->next_to_clean = 0; 1167 1168 rctl = er32(RCTL); 1169 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX)) 1170 ew32(RCTL, rctl & ~E1000_RCTL_EN); 1171 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); 1172 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); 1173 ew32(RDLEN, rx_ring->size); 1174 ew32(RDH, 0); 1175 ew32(RDT, 0); 1176 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | 1177 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | 1178 E1000_RCTL_SBP | E1000_RCTL_SECRC | 1179 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | 1180 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); 1181 ew32(RCTL, rctl); 1182 1183 for (i = 0; i < rx_ring->count; i++) { 1184 union e1000_rx_desc_extended *rx_desc; 1185 struct sk_buff *skb; 1186 1187 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); 1188 if (!skb) { 1189 ret_val = 7; 1190 goto err_nomem; 1191 } 1192 skb_reserve(skb, NET_IP_ALIGN); 1193 rx_ring->buffer_info[i].skb = skb; 1194 rx_ring->buffer_info[i].dma = 1195 dma_map_single(&pdev->dev, skb->data, 2048, 1196 DMA_FROM_DEVICE); 1197 if (dma_mapping_error(&pdev->dev, 1198 rx_ring->buffer_info[i].dma)) { 1199 ret_val = 8; 1200 goto err_nomem; 1201 } 1202 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); 1203 rx_desc->read.buffer_addr = 1204 cpu_to_le64(rx_ring->buffer_info[i].dma); 1205 memset(skb->data, 0x00, skb->len); 1206 } 1207 1208 return 0; 1209 1210 err_nomem: 1211 e1000_free_desc_rings(adapter); 1212 return ret_val; 1213 } 1214 1215 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) 1216 { 1217 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1218 e1e_wphy(&adapter->hw, 29, 0x001F); 1219 e1e_wphy(&adapter->hw, 30, 0x8FFC); 1220 e1e_wphy(&adapter->hw, 29, 0x001A); 1221 e1e_wphy(&adapter->hw, 30, 0x8FF0); 1222 } 1223 1224 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) 1225 { 1226 struct e1000_hw *hw = &adapter->hw; 1227 u32 ctrl_reg = 0; 1228 u16 phy_reg = 0; 1229 s32 ret_val = 0; 1230 1231 hw->mac.autoneg = 0; 1232 1233 if (hw->phy.type == e1000_phy_ife) { 1234 /* force 100, set loopback */ 1235 e1e_wphy(hw, PHY_CONTROL, 0x6100); 1236 1237 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1238 ctrl_reg = er32(CTRL); 1239 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1240 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1241 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1242 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ 1243 E1000_CTRL_FD); /* Force Duplex to FULL */ 1244 1245 ew32(CTRL, ctrl_reg); 1246 e1e_flush(); 1247 udelay(500); 1248 1249 return 0; 1250 } 1251 1252 /* Specific PHY configuration for loopback */ 1253 switch (hw->phy.type) { 1254 case e1000_phy_m88: 1255 /* Auto-MDI/MDIX Off */ 1256 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); 1257 /* reset to update Auto-MDI/MDIX */ 1258 e1e_wphy(hw, PHY_CONTROL, 0x9140); 1259 /* autoneg off */ 1260 e1e_wphy(hw, PHY_CONTROL, 0x8140); 1261 break; 1262 case e1000_phy_gg82563: 1263 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); 1264 break; 1265 case e1000_phy_bm: 1266 /* Set Default MAC Interface speed to 1GB */ 1267 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); 1268 phy_reg &= ~0x0007; 1269 phy_reg |= 0x006; 1270 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); 1271 /* Assert SW reset for above settings to take effect */ 1272 e1000e_commit_phy(hw); 1273 mdelay(1); 1274 /* Force Full Duplex */ 1275 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1276 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); 1277 /* Set Link Up (in force link) */ 1278 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); 1279 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); 1280 /* Force Link */ 1281 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1282 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); 1283 /* Set Early Link Enable */ 1284 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); 1285 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); 1286 break; 1287 case e1000_phy_82577: 1288 case e1000_phy_82578: 1289 /* Workaround: K1 must be disabled for stable 1Gbps operation */ 1290 ret_val = hw->phy.ops.acquire(hw); 1291 if (ret_val) { 1292 e_err("Cannot setup 1Gbps loopback.\n"); 1293 return ret_val; 1294 } 1295 e1000_configure_k1_ich8lan(hw, false); 1296 hw->phy.ops.release(hw); 1297 break; 1298 case e1000_phy_82579: 1299 /* Disable PHY energy detect power down */ 1300 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); 1301 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); 1302 /* Disable full chip energy detect */ 1303 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); 1304 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); 1305 /* Enable loopback on the PHY */ 1306 #define I82577_PHY_LBK_CTRL 19 1307 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); 1308 break; 1309 default: 1310 break; 1311 } 1312 1313 /* force 1000, set loopback */ 1314 e1e_wphy(hw, PHY_CONTROL, 0x4140); 1315 mdelay(250); 1316 1317 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1318 ctrl_reg = er32(CTRL); 1319 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1320 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1321 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1322 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ 1323 E1000_CTRL_FD); /* Force Duplex to FULL */ 1324 1325 if (adapter->flags & FLAG_IS_ICH) 1326 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ 1327 1328 if (hw->phy.media_type == e1000_media_type_copper && 1329 hw->phy.type == e1000_phy_m88) { 1330 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ 1331 } else { 1332 /* 1333 * Set the ILOS bit on the fiber Nic if half duplex link is 1334 * detected. 1335 */ 1336 if ((er32(STATUS) & E1000_STATUS_FD) == 0) 1337 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); 1338 } 1339 1340 ew32(CTRL, ctrl_reg); 1341 1342 /* 1343 * Disable the receiver on the PHY so when a cable is plugged in, the 1344 * PHY does not begin to autoneg when a cable is reconnected to the NIC. 1345 */ 1346 if (hw->phy.type == e1000_phy_m88) 1347 e1000_phy_disable_receiver(adapter); 1348 1349 udelay(500); 1350 1351 return 0; 1352 } 1353 1354 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) 1355 { 1356 struct e1000_hw *hw = &adapter->hw; 1357 u32 ctrl = er32(CTRL); 1358 int link = 0; 1359 1360 /* special requirements for 82571/82572 fiber adapters */ 1361 1362 /* 1363 * jump through hoops to make sure link is up because serdes 1364 * link is hardwired up 1365 */ 1366 ctrl |= E1000_CTRL_SLU; 1367 ew32(CTRL, ctrl); 1368 1369 /* disable autoneg */ 1370 ctrl = er32(TXCW); 1371 ctrl &= ~(1 << 31); 1372 ew32(TXCW, ctrl); 1373 1374 link = (er32(STATUS) & E1000_STATUS_LU); 1375 1376 if (!link) { 1377 /* set invert loss of signal */ 1378 ctrl = er32(CTRL); 1379 ctrl |= E1000_CTRL_ILOS; 1380 ew32(CTRL, ctrl); 1381 } 1382 1383 /* 1384 * special write to serdes control register to enable SerDes analog 1385 * loopback 1386 */ 1387 #define E1000_SERDES_LB_ON 0x410 1388 ew32(SCTL, E1000_SERDES_LB_ON); 1389 e1e_flush(); 1390 usleep_range(10000, 20000); 1391 1392 return 0; 1393 } 1394 1395 /* only call this for fiber/serdes connections to es2lan */ 1396 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) 1397 { 1398 struct e1000_hw *hw = &adapter->hw; 1399 u32 ctrlext = er32(CTRL_EXT); 1400 u32 ctrl = er32(CTRL); 1401 1402 /* 1403 * save CTRL_EXT to restore later, reuse an empty variable (unused 1404 * on mac_type 80003es2lan) 1405 */ 1406 adapter->tx_fifo_head = ctrlext; 1407 1408 /* clear the serdes mode bits, putting the device into mac loopback */ 1409 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; 1410 ew32(CTRL_EXT, ctrlext); 1411 1412 /* force speed to 1000/FD, link up */ 1413 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); 1414 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | 1415 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); 1416 ew32(CTRL, ctrl); 1417 1418 /* set mac loopback */ 1419 ctrl = er32(RCTL); 1420 ctrl |= E1000_RCTL_LBM_MAC; 1421 ew32(RCTL, ctrl); 1422 1423 /* set testing mode parameters (no need to reset later) */ 1424 #define KMRNCTRLSTA_OPMODE (0x1F << 16) 1425 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 1426 ew32(KMRNCTRLSTA, 1427 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); 1428 1429 return 0; 1430 } 1431 1432 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) 1433 { 1434 struct e1000_hw *hw = &adapter->hw; 1435 u32 rctl; 1436 1437 if (hw->phy.media_type == e1000_media_type_fiber || 1438 hw->phy.media_type == e1000_media_type_internal_serdes) { 1439 switch (hw->mac.type) { 1440 case e1000_80003es2lan: 1441 return e1000_set_es2lan_mac_loopback(adapter); 1442 break; 1443 case e1000_82571: 1444 case e1000_82572: 1445 return e1000_set_82571_fiber_loopback(adapter); 1446 break; 1447 default: 1448 rctl = er32(RCTL); 1449 rctl |= E1000_RCTL_LBM_TCVR; 1450 ew32(RCTL, rctl); 1451 return 0; 1452 } 1453 } else if (hw->phy.media_type == e1000_media_type_copper) { 1454 return e1000_integrated_phy_loopback(adapter); 1455 } 1456 1457 return 7; 1458 } 1459 1460 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) 1461 { 1462 struct e1000_hw *hw = &adapter->hw; 1463 u32 rctl; 1464 u16 phy_reg; 1465 1466 rctl = er32(RCTL); 1467 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); 1468 ew32(RCTL, rctl); 1469 1470 switch (hw->mac.type) { 1471 case e1000_80003es2lan: 1472 if (hw->phy.media_type == e1000_media_type_fiber || 1473 hw->phy.media_type == e1000_media_type_internal_serdes) { 1474 /* restore CTRL_EXT, stealing space from tx_fifo_head */ 1475 ew32(CTRL_EXT, adapter->tx_fifo_head); 1476 adapter->tx_fifo_head = 0; 1477 } 1478 /* fall through */ 1479 case e1000_82571: 1480 case e1000_82572: 1481 if (hw->phy.media_type == e1000_media_type_fiber || 1482 hw->phy.media_type == e1000_media_type_internal_serdes) { 1483 #define E1000_SERDES_LB_OFF 0x400 1484 ew32(SCTL, E1000_SERDES_LB_OFF); 1485 e1e_flush(); 1486 usleep_range(10000, 20000); 1487 break; 1488 } 1489 /* Fall Through */ 1490 default: 1491 hw->mac.autoneg = 1; 1492 if (hw->phy.type == e1000_phy_gg82563) 1493 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); 1494 e1e_rphy(hw, PHY_CONTROL, &phy_reg); 1495 if (phy_reg & MII_CR_LOOPBACK) { 1496 phy_reg &= ~MII_CR_LOOPBACK; 1497 e1e_wphy(hw, PHY_CONTROL, phy_reg); 1498 e1000e_commit_phy(hw); 1499 } 1500 break; 1501 } 1502 } 1503 1504 static void e1000_create_lbtest_frame(struct sk_buff *skb, 1505 unsigned int frame_size) 1506 { 1507 memset(skb->data, 0xFF, frame_size); 1508 frame_size &= ~1; 1509 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 1510 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); 1511 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); 1512 } 1513 1514 static int e1000_check_lbtest_frame(struct sk_buff *skb, 1515 unsigned int frame_size) 1516 { 1517 frame_size &= ~1; 1518 if (*(skb->data + 3) == 0xFF) 1519 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 1520 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 1521 return 0; 1522 return 13; 1523 } 1524 1525 static int e1000_run_loopback_test(struct e1000_adapter *adapter) 1526 { 1527 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1528 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1529 struct pci_dev *pdev = adapter->pdev; 1530 struct e1000_hw *hw = &adapter->hw; 1531 int i, j, k, l; 1532 int lc; 1533 int good_cnt; 1534 int ret_val = 0; 1535 unsigned long time; 1536 1537 ew32(RDT, rx_ring->count - 1); 1538 1539 /* 1540 * Calculate the loop count based on the largest descriptor ring 1541 * The idea is to wrap the largest ring a number of times using 64 1542 * send/receive pairs during each loop 1543 */ 1544 1545 if (rx_ring->count <= tx_ring->count) 1546 lc = ((tx_ring->count / 64) * 2) + 1; 1547 else 1548 lc = ((rx_ring->count / 64) * 2) + 1; 1549 1550 k = 0; 1551 l = 0; 1552 for (j = 0; j <= lc; j++) { /* loop count loop */ 1553 for (i = 0; i < 64; i++) { /* send the packets */ 1554 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, 1555 1024); 1556 dma_sync_single_for_device(&pdev->dev, 1557 tx_ring->buffer_info[k].dma, 1558 tx_ring->buffer_info[k].length, 1559 DMA_TO_DEVICE); 1560 k++; 1561 if (k == tx_ring->count) 1562 k = 0; 1563 } 1564 ew32(TDT, k); 1565 e1e_flush(); 1566 msleep(200); 1567 time = jiffies; /* set the start time for the receive */ 1568 good_cnt = 0; 1569 do { /* receive the sent packets */ 1570 dma_sync_single_for_cpu(&pdev->dev, 1571 rx_ring->buffer_info[l].dma, 2048, 1572 DMA_FROM_DEVICE); 1573 1574 ret_val = e1000_check_lbtest_frame( 1575 rx_ring->buffer_info[l].skb, 1024); 1576 if (!ret_val) 1577 good_cnt++; 1578 l++; 1579 if (l == rx_ring->count) 1580 l = 0; 1581 /* 1582 * time + 20 msecs (200 msecs on 2.4) is more than 1583 * enough time to complete the receives, if it's 1584 * exceeded, break and error off 1585 */ 1586 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); 1587 if (good_cnt != 64) { 1588 ret_val = 13; /* ret_val is the same as mis-compare */ 1589 break; 1590 } 1591 if (jiffies >= (time + 20)) { 1592 ret_val = 14; /* error code for time out error */ 1593 break; 1594 } 1595 } /* end loop count loop */ 1596 return ret_val; 1597 } 1598 1599 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) 1600 { 1601 struct e1000_hw *hw = &adapter->hw; 1602 1603 /* 1604 * PHY loopback cannot be performed if SoL/IDER 1605 * sessions are active 1606 */ 1607 if (hw->phy.ops.check_reset_block(hw)) { 1608 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); 1609 *data = 0; 1610 goto out; 1611 } 1612 1613 *data = e1000_setup_desc_rings(adapter); 1614 if (*data) 1615 goto out; 1616 1617 *data = e1000_setup_loopback_test(adapter); 1618 if (*data) 1619 goto err_loopback; 1620 1621 *data = e1000_run_loopback_test(adapter); 1622 e1000_loopback_cleanup(adapter); 1623 1624 err_loopback: 1625 e1000_free_desc_rings(adapter); 1626 out: 1627 return *data; 1628 } 1629 1630 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) 1631 { 1632 struct e1000_hw *hw = &adapter->hw; 1633 1634 *data = 0; 1635 if (hw->phy.media_type == e1000_media_type_internal_serdes) { 1636 int i = 0; 1637 hw->mac.serdes_has_link = false; 1638 1639 /* 1640 * On some blade server designs, link establishment 1641 * could take as long as 2-3 minutes 1642 */ 1643 do { 1644 hw->mac.ops.check_for_link(hw); 1645 if (hw->mac.serdes_has_link) 1646 return *data; 1647 msleep(20); 1648 } while (i++ < 3750); 1649 1650 *data = 1; 1651 } else { 1652 hw->mac.ops.check_for_link(hw); 1653 if (hw->mac.autoneg) 1654 /* 1655 * On some Phy/switch combinations, link establishment 1656 * can take a few seconds more than expected. 1657 */ 1658 msleep(5000); 1659 1660 if (!(er32(STATUS) & E1000_STATUS_LU)) 1661 *data = 1; 1662 } 1663 return *data; 1664 } 1665 1666 static int e1000e_get_sset_count(struct net_device *netdev, int sset) 1667 { 1668 switch (sset) { 1669 case ETH_SS_TEST: 1670 return E1000_TEST_LEN; 1671 case ETH_SS_STATS: 1672 return E1000_STATS_LEN; 1673 default: 1674 return -EOPNOTSUPP; 1675 } 1676 } 1677 1678 static void e1000_diag_test(struct net_device *netdev, 1679 struct ethtool_test *eth_test, u64 *data) 1680 { 1681 struct e1000_adapter *adapter = netdev_priv(netdev); 1682 u16 autoneg_advertised; 1683 u8 forced_speed_duplex; 1684 u8 autoneg; 1685 bool if_running = netif_running(netdev); 1686 1687 set_bit(__E1000_TESTING, &adapter->state); 1688 1689 if (!if_running) { 1690 /* Get control of and reset hardware */ 1691 if (adapter->flags & FLAG_HAS_AMT) 1692 e1000e_get_hw_control(adapter); 1693 1694 e1000e_power_up_phy(adapter); 1695 1696 adapter->hw.phy.autoneg_wait_to_complete = 1; 1697 e1000e_reset(adapter); 1698 adapter->hw.phy.autoneg_wait_to_complete = 0; 1699 } 1700 1701 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1702 /* Offline tests */ 1703 1704 /* save speed, duplex, autoneg settings */ 1705 autoneg_advertised = adapter->hw.phy.autoneg_advertised; 1706 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; 1707 autoneg = adapter->hw.mac.autoneg; 1708 1709 e_info("offline testing starting\n"); 1710 1711 if (if_running) 1712 /* indicate we're in test mode */ 1713 dev_close(netdev); 1714 1715 if (e1000_reg_test(adapter, &data[0])) 1716 eth_test->flags |= ETH_TEST_FL_FAILED; 1717 1718 e1000e_reset(adapter); 1719 if (e1000_eeprom_test(adapter, &data[1])) 1720 eth_test->flags |= ETH_TEST_FL_FAILED; 1721 1722 e1000e_reset(adapter); 1723 if (e1000_intr_test(adapter, &data[2])) 1724 eth_test->flags |= ETH_TEST_FL_FAILED; 1725 1726 e1000e_reset(adapter); 1727 if (e1000_loopback_test(adapter, &data[3])) 1728 eth_test->flags |= ETH_TEST_FL_FAILED; 1729 1730 /* force this routine to wait until autoneg complete/timeout */ 1731 adapter->hw.phy.autoneg_wait_to_complete = 1; 1732 e1000e_reset(adapter); 1733 adapter->hw.phy.autoneg_wait_to_complete = 0; 1734 1735 if (e1000_link_test(adapter, &data[4])) 1736 eth_test->flags |= ETH_TEST_FL_FAILED; 1737 1738 /* restore speed, duplex, autoneg settings */ 1739 adapter->hw.phy.autoneg_advertised = autoneg_advertised; 1740 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; 1741 adapter->hw.mac.autoneg = autoneg; 1742 e1000e_reset(adapter); 1743 1744 clear_bit(__E1000_TESTING, &adapter->state); 1745 if (if_running) 1746 dev_open(netdev); 1747 } else { 1748 /* Online tests */ 1749 1750 e_info("online testing starting\n"); 1751 1752 /* register, eeprom, intr and loopback tests not run online */ 1753 data[0] = 0; 1754 data[1] = 0; 1755 data[2] = 0; 1756 data[3] = 0; 1757 1758 if (e1000_link_test(adapter, &data[4])) 1759 eth_test->flags |= ETH_TEST_FL_FAILED; 1760 1761 clear_bit(__E1000_TESTING, &adapter->state); 1762 } 1763 1764 if (!if_running) { 1765 e1000e_reset(adapter); 1766 1767 if (adapter->flags & FLAG_HAS_AMT) 1768 e1000e_release_hw_control(adapter); 1769 } 1770 1771 msleep_interruptible(4 * 1000); 1772 } 1773 1774 static void e1000_get_wol(struct net_device *netdev, 1775 struct ethtool_wolinfo *wol) 1776 { 1777 struct e1000_adapter *adapter = netdev_priv(netdev); 1778 1779 wol->supported = 0; 1780 wol->wolopts = 0; 1781 1782 if (!(adapter->flags & FLAG_HAS_WOL) || 1783 !device_can_wakeup(&adapter->pdev->dev)) 1784 return; 1785 1786 wol->supported = WAKE_UCAST | WAKE_MCAST | 1787 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY; 1788 1789 /* apply any specific unsupported masks here */ 1790 if (adapter->flags & FLAG_NO_WAKE_UCAST) { 1791 wol->supported &= ~WAKE_UCAST; 1792 1793 if (adapter->wol & E1000_WUFC_EX) 1794 e_err("Interface does not support directed (unicast) " 1795 "frame wake-up packets\n"); 1796 } 1797 1798 if (adapter->wol & E1000_WUFC_EX) 1799 wol->wolopts |= WAKE_UCAST; 1800 if (adapter->wol & E1000_WUFC_MC) 1801 wol->wolopts |= WAKE_MCAST; 1802 if (adapter->wol & E1000_WUFC_BC) 1803 wol->wolopts |= WAKE_BCAST; 1804 if (adapter->wol & E1000_WUFC_MAG) 1805 wol->wolopts |= WAKE_MAGIC; 1806 if (adapter->wol & E1000_WUFC_LNKC) 1807 wol->wolopts |= WAKE_PHY; 1808 } 1809 1810 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1811 { 1812 struct e1000_adapter *adapter = netdev_priv(netdev); 1813 1814 if (!(adapter->flags & FLAG_HAS_WOL) || 1815 !device_can_wakeup(&adapter->pdev->dev) || 1816 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | 1817 WAKE_MAGIC | WAKE_PHY))) 1818 return -EOPNOTSUPP; 1819 1820 /* these settings will always override what we currently have */ 1821 adapter->wol = 0; 1822 1823 if (wol->wolopts & WAKE_UCAST) 1824 adapter->wol |= E1000_WUFC_EX; 1825 if (wol->wolopts & WAKE_MCAST) 1826 adapter->wol |= E1000_WUFC_MC; 1827 if (wol->wolopts & WAKE_BCAST) 1828 adapter->wol |= E1000_WUFC_BC; 1829 if (wol->wolopts & WAKE_MAGIC) 1830 adapter->wol |= E1000_WUFC_MAG; 1831 if (wol->wolopts & WAKE_PHY) 1832 adapter->wol |= E1000_WUFC_LNKC; 1833 1834 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 1835 1836 return 0; 1837 } 1838 1839 static int e1000_set_phys_id(struct net_device *netdev, 1840 enum ethtool_phys_id_state state) 1841 { 1842 struct e1000_adapter *adapter = netdev_priv(netdev); 1843 struct e1000_hw *hw = &adapter->hw; 1844 1845 switch (state) { 1846 case ETHTOOL_ID_ACTIVE: 1847 if (!hw->mac.ops.blink_led) 1848 return 2; /* cycle on/off twice per second */ 1849 1850 hw->mac.ops.blink_led(hw); 1851 break; 1852 1853 case ETHTOOL_ID_INACTIVE: 1854 if (hw->phy.type == e1000_phy_ife) 1855 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); 1856 hw->mac.ops.led_off(hw); 1857 hw->mac.ops.cleanup_led(hw); 1858 break; 1859 1860 case ETHTOOL_ID_ON: 1861 hw->mac.ops.led_on(hw); 1862 break; 1863 1864 case ETHTOOL_ID_OFF: 1865 hw->mac.ops.led_off(hw); 1866 break; 1867 } 1868 return 0; 1869 } 1870 1871 static int e1000_get_coalesce(struct net_device *netdev, 1872 struct ethtool_coalesce *ec) 1873 { 1874 struct e1000_adapter *adapter = netdev_priv(netdev); 1875 1876 if (adapter->itr_setting <= 4) 1877 ec->rx_coalesce_usecs = adapter->itr_setting; 1878 else 1879 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1880 1881 return 0; 1882 } 1883 1884 static int e1000_set_coalesce(struct net_device *netdev, 1885 struct ethtool_coalesce *ec) 1886 { 1887 struct e1000_adapter *adapter = netdev_priv(netdev); 1888 struct e1000_hw *hw = &adapter->hw; 1889 1890 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 1891 ((ec->rx_coalesce_usecs > 4) && 1892 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 1893 (ec->rx_coalesce_usecs == 2)) 1894 return -EINVAL; 1895 1896 if (ec->rx_coalesce_usecs == 4) { 1897 adapter->itr = adapter->itr_setting = 4; 1898 } else if (ec->rx_coalesce_usecs <= 3) { 1899 adapter->itr = 20000; 1900 adapter->itr_setting = ec->rx_coalesce_usecs; 1901 } else { 1902 adapter->itr = (1000000 / ec->rx_coalesce_usecs); 1903 adapter->itr_setting = adapter->itr & ~3; 1904 } 1905 1906 if (adapter->itr_setting != 0) 1907 ew32(ITR, 1000000000 / (adapter->itr * 256)); 1908 else 1909 ew32(ITR, 0); 1910 1911 return 0; 1912 } 1913 1914 static int e1000_nway_reset(struct net_device *netdev) 1915 { 1916 struct e1000_adapter *adapter = netdev_priv(netdev); 1917 1918 if (!netif_running(netdev)) 1919 return -EAGAIN; 1920 1921 if (!adapter->hw.mac.autoneg) 1922 return -EINVAL; 1923 1924 e1000e_reinit_locked(adapter); 1925 1926 return 0; 1927 } 1928 1929 static void e1000_get_ethtool_stats(struct net_device *netdev, 1930 struct ethtool_stats *stats, 1931 u64 *data) 1932 { 1933 struct e1000_adapter *adapter = netdev_priv(netdev); 1934 struct rtnl_link_stats64 net_stats; 1935 int i; 1936 char *p = NULL; 1937 1938 e1000e_get_stats64(netdev, &net_stats); 1939 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1940 switch (e1000_gstrings_stats[i].type) { 1941 case NETDEV_STATS: 1942 p = (char *) &net_stats + 1943 e1000_gstrings_stats[i].stat_offset; 1944 break; 1945 case E1000_STATS: 1946 p = (char *) adapter + 1947 e1000_gstrings_stats[i].stat_offset; 1948 break; 1949 default: 1950 data[i] = 0; 1951 continue; 1952 } 1953 1954 data[i] = (e1000_gstrings_stats[i].sizeof_stat == 1955 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1956 } 1957 } 1958 1959 static void e1000_get_strings(struct net_device *netdev, u32 stringset, 1960 u8 *data) 1961 { 1962 u8 *p = data; 1963 int i; 1964 1965 switch (stringset) { 1966 case ETH_SS_TEST: 1967 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); 1968 break; 1969 case ETH_SS_STATS: 1970 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1971 memcpy(p, e1000_gstrings_stats[i].stat_string, 1972 ETH_GSTRING_LEN); 1973 p += ETH_GSTRING_LEN; 1974 } 1975 break; 1976 } 1977 } 1978 1979 static int e1000_get_rxnfc(struct net_device *netdev, 1980 struct ethtool_rxnfc *info, u32 *rule_locs) 1981 { 1982 info->data = 0; 1983 1984 switch (info->cmd) { 1985 case ETHTOOL_GRXFH: { 1986 struct e1000_adapter *adapter = netdev_priv(netdev); 1987 struct e1000_hw *hw = &adapter->hw; 1988 u32 mrqc = er32(MRQC); 1989 1990 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK)) 1991 return 0; 1992 1993 switch (info->flow_type) { 1994 case TCP_V4_FLOW: 1995 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP) 1996 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1997 /* fall through */ 1998 case UDP_V4_FLOW: 1999 case SCTP_V4_FLOW: 2000 case AH_ESP_V4_FLOW: 2001 case IPV4_FLOW: 2002 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4) 2003 info->data |= RXH_IP_SRC | RXH_IP_DST; 2004 break; 2005 case TCP_V6_FLOW: 2006 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP) 2007 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 2008 /* fall through */ 2009 case UDP_V6_FLOW: 2010 case SCTP_V6_FLOW: 2011 case AH_ESP_V6_FLOW: 2012 case IPV6_FLOW: 2013 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6) 2014 info->data |= RXH_IP_SRC | RXH_IP_DST; 2015 break; 2016 default: 2017 break; 2018 } 2019 return 0; 2020 } 2021 default: 2022 return -EOPNOTSUPP; 2023 } 2024 } 2025 2026 static const struct ethtool_ops e1000_ethtool_ops = { 2027 .get_settings = e1000_get_settings, 2028 .set_settings = e1000_set_settings, 2029 .get_drvinfo = e1000_get_drvinfo, 2030 .get_regs_len = e1000_get_regs_len, 2031 .get_regs = e1000_get_regs, 2032 .get_wol = e1000_get_wol, 2033 .set_wol = e1000_set_wol, 2034 .get_msglevel = e1000_get_msglevel, 2035 .set_msglevel = e1000_set_msglevel, 2036 .nway_reset = e1000_nway_reset, 2037 .get_link = ethtool_op_get_link, 2038 .get_eeprom_len = e1000_get_eeprom_len, 2039 .get_eeprom = e1000_get_eeprom, 2040 .set_eeprom = e1000_set_eeprom, 2041 .get_ringparam = e1000_get_ringparam, 2042 .set_ringparam = e1000_set_ringparam, 2043 .get_pauseparam = e1000_get_pauseparam, 2044 .set_pauseparam = e1000_set_pauseparam, 2045 .self_test = e1000_diag_test, 2046 .get_strings = e1000_get_strings, 2047 .set_phys_id = e1000_set_phys_id, 2048 .get_ethtool_stats = e1000_get_ethtool_stats, 2049 .get_sset_count = e1000e_get_sset_count, 2050 .get_coalesce = e1000_get_coalesce, 2051 .set_coalesce = e1000_set_coalesce, 2052 .get_rxnfc = e1000_get_rxnfc, 2053 }; 2054 2055 void e1000e_set_ethtool_ops(struct net_device *netdev) 2056 { 2057 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); 2058 } 2059