1/******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2010 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/ethtool.h> 33#include <linux/pci.h> 34#include <linux/slab.h> 35#include <linux/delay.h> 36 37#include "e1000.h" 38 39enum {NETDEV_STATS, E1000_STATS}; 40 41struct e1000_stats { 42 char stat_string[ETH_GSTRING_LEN]; 43 int type; 44 int sizeof_stat; 45 int stat_offset; 46}; 47 48#define E1000_STAT(m) E1000_STATS, \ 49 sizeof(((struct e1000_adapter *)0)->m), \ 50 offsetof(struct e1000_adapter, m) 51#define E1000_NETDEV_STAT(m) NETDEV_STATS, \ 52 sizeof(((struct net_device *)0)->m), \ 53 offsetof(struct net_device, m) 54 55static const struct e1000_stats e1000_gstrings_stats[] = { 56 { "rx_packets", E1000_STAT(stats.gprc) }, 57 { "tx_packets", E1000_STAT(stats.gptc) }, 58 { "rx_bytes", E1000_STAT(stats.gorc) }, 59 { "tx_bytes", E1000_STAT(stats.gotc) }, 60 { "rx_broadcast", E1000_STAT(stats.bprc) }, 61 { "tx_broadcast", E1000_STAT(stats.bptc) }, 62 { "rx_multicast", E1000_STAT(stats.mprc) }, 63 { "tx_multicast", E1000_STAT(stats.mptc) }, 64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) }, 65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) }, 66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, 67 { "multicast", E1000_STAT(stats.mprc) }, 68 { "collisions", E1000_STAT(stats.colc) }, 69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) }, 70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, 71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, 72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, 73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, 74 { "rx_missed_errors", E1000_STAT(stats.mpc) }, 75 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, 76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, 77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, 78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, 79 { "tx_window_errors", E1000_STAT(stats.latecol) }, 80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, 81 { "tx_deferred_ok", E1000_STAT(stats.dc) }, 82 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, 83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, 84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, 85 { "tx_restart_queue", E1000_STAT(restart_queue) }, 86 { "rx_long_length_errors", E1000_STAT(stats.roc) }, 87 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, 88 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, 89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, 90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, 91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, 92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, 93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, 94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, 95 { "rx_long_byte_count", E1000_STAT(stats.gorc) }, 96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, 97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, 98 { "rx_header_split", E1000_STAT(rx_hdr_split) }, 99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, 100 { "tx_smbus", E1000_STAT(stats.mgptc) }, 101 { "rx_smbus", E1000_STAT(stats.mgprc) }, 102 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, 103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) }, 104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) }, 105}; 106 107#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) 108#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) 109static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { 110 "Register test (offline)", "Eeprom test (offline)", 111 "Interrupt test (offline)", "Loopback test (offline)", 112 "Link test (on/offline)" 113}; 114#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) 115 116static int e1000_get_settings(struct net_device *netdev, 117 struct ethtool_cmd *ecmd) 118{ 119 struct e1000_adapter *adapter = netdev_priv(netdev); 120 struct e1000_hw *hw = &adapter->hw; 121 122 if (hw->phy.media_type == e1000_media_type_copper) { 123 124 ecmd->supported = (SUPPORTED_10baseT_Half | 125 SUPPORTED_10baseT_Full | 126 SUPPORTED_100baseT_Half | 127 SUPPORTED_100baseT_Full | 128 SUPPORTED_1000baseT_Full | 129 SUPPORTED_Autoneg | 130 SUPPORTED_TP); 131 if (hw->phy.type == e1000_phy_ife) 132 ecmd->supported &= ~SUPPORTED_1000baseT_Full; 133 ecmd->advertising = ADVERTISED_TP; 134 135 if (hw->mac.autoneg == 1) { 136 ecmd->advertising |= ADVERTISED_Autoneg; 137 /* the e1000 autoneg seems to match ethtool nicely */ 138 ecmd->advertising |= hw->phy.autoneg_advertised; 139 } 140 141 ecmd->port = PORT_TP; 142 ecmd->phy_address = hw->phy.addr; 143 ecmd->transceiver = XCVR_INTERNAL; 144 145 } else { 146 ecmd->supported = (SUPPORTED_1000baseT_Full | 147 SUPPORTED_FIBRE | 148 SUPPORTED_Autoneg); 149 150 ecmd->advertising = (ADVERTISED_1000baseT_Full | 151 ADVERTISED_FIBRE | 152 ADVERTISED_Autoneg); 153 154 ecmd->port = PORT_FIBRE; 155 ecmd->transceiver = XCVR_EXTERNAL; 156 } 157 158 ecmd->speed = -1; 159 ecmd->duplex = -1; 160 161 if (netif_running(netdev)) { 162 if (netif_carrier_ok(netdev)) { 163 ecmd->speed = adapter->link_speed; 164 ecmd->duplex = adapter->link_duplex - 1; 165 } 166 } else { 167 u32 status = er32(STATUS); 168 if (status & E1000_STATUS_LU) { 169 if (status & E1000_STATUS_SPEED_1000) 170 ecmd->speed = 1000; 171 else if (status & E1000_STATUS_SPEED_100) 172 ecmd->speed = 100; 173 else 174 ecmd->speed = 10; 175 176 if (status & E1000_STATUS_FD) 177 ecmd->duplex = DUPLEX_FULL; 178 else 179 ecmd->duplex = DUPLEX_HALF; 180 } 181 } 182 183 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || 184 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; 185 186 /* MDI-X => 2; MDI =>1; Invalid =>0 */ 187 if ((hw->phy.media_type == e1000_media_type_copper) && 188 netif_carrier_ok(netdev)) 189 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : 190 ETH_TP_MDI; 191 else 192 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; 193 194 return 0; 195} 196 197static u32 e1000_get_link(struct net_device *netdev) 198{ 199 struct e1000_adapter *adapter = netdev_priv(netdev); 200 struct e1000_hw *hw = &adapter->hw; 201 202 /* 203 * Avoid touching hardware registers when possible, otherwise 204 * link negotiation can get messed up when user-level scripts 205 * are rapidly polling the driver to see if link is up. 206 */ 207 return netif_running(netdev) ? netif_carrier_ok(netdev) : 208 !!(er32(STATUS) & E1000_STATUS_LU); 209} 210 211static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) 212{ 213 struct e1000_mac_info *mac = &adapter->hw.mac; 214 215 mac->autoneg = 0; 216 217 /* Fiber NICs only allow 1000 gbps Full duplex */ 218 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && 219 spddplx != (SPEED_1000 + DUPLEX_FULL)) { 220 e_err("Unsupported Speed/Duplex configuration\n"); 221 return -EINVAL; 222 } 223 224 switch (spddplx) { 225 case SPEED_10 + DUPLEX_HALF: 226 mac->forced_speed_duplex = ADVERTISE_10_HALF; 227 break; 228 case SPEED_10 + DUPLEX_FULL: 229 mac->forced_speed_duplex = ADVERTISE_10_FULL; 230 break; 231 case SPEED_100 + DUPLEX_HALF: 232 mac->forced_speed_duplex = ADVERTISE_100_HALF; 233 break; 234 case SPEED_100 + DUPLEX_FULL: 235 mac->forced_speed_duplex = ADVERTISE_100_FULL; 236 break; 237 case SPEED_1000 + DUPLEX_FULL: 238 mac->autoneg = 1; 239 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; 240 break; 241 case SPEED_1000 + DUPLEX_HALF: /* not supported */ 242 default: 243 e_err("Unsupported Speed/Duplex configuration\n"); 244 return -EINVAL; 245 } 246 return 0; 247} 248 249static int e1000_set_settings(struct net_device *netdev, 250 struct ethtool_cmd *ecmd) 251{ 252 struct e1000_adapter *adapter = netdev_priv(netdev); 253 struct e1000_hw *hw = &adapter->hw; 254 255 /* 256 * When SoL/IDER sessions are active, autoneg/speed/duplex 257 * cannot be changed 258 */ 259 if (e1000_check_reset_block(hw)) { 260 e_err("Cannot change link characteristics when SoL/IDER is " 261 "active.\n"); 262 return -EINVAL; 263 } 264 265 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 266 msleep(1); 267 268 if (ecmd->autoneg == AUTONEG_ENABLE) { 269 hw->mac.autoneg = 1; 270 if (hw->phy.media_type == e1000_media_type_fiber) 271 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | 272 ADVERTISED_FIBRE | 273 ADVERTISED_Autoneg; 274 else 275 hw->phy.autoneg_advertised = ecmd->advertising | 276 ADVERTISED_TP | 277 ADVERTISED_Autoneg; 278 ecmd->advertising = hw->phy.autoneg_advertised; 279 if (adapter->fc_autoneg) 280 hw->fc.requested_mode = e1000_fc_default; 281 } else { 282 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { 283 clear_bit(__E1000_RESETTING, &adapter->state); 284 return -EINVAL; 285 } 286 } 287 288 /* reset the link */ 289 290 if (netif_running(adapter->netdev)) { 291 e1000e_down(adapter); 292 e1000e_up(adapter); 293 } else { 294 e1000e_reset(adapter); 295 } 296 297 clear_bit(__E1000_RESETTING, &adapter->state); 298 return 0; 299} 300 301static void e1000_get_pauseparam(struct net_device *netdev, 302 struct ethtool_pauseparam *pause) 303{ 304 struct e1000_adapter *adapter = netdev_priv(netdev); 305 struct e1000_hw *hw = &adapter->hw; 306 307 pause->autoneg = 308 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 309 310 if (hw->fc.current_mode == e1000_fc_rx_pause) { 311 pause->rx_pause = 1; 312 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { 313 pause->tx_pause = 1; 314 } else if (hw->fc.current_mode == e1000_fc_full) { 315 pause->rx_pause = 1; 316 pause->tx_pause = 1; 317 } 318} 319 320static int e1000_set_pauseparam(struct net_device *netdev, 321 struct ethtool_pauseparam *pause) 322{ 323 struct e1000_adapter *adapter = netdev_priv(netdev); 324 struct e1000_hw *hw = &adapter->hw; 325 int retval = 0; 326 327 adapter->fc_autoneg = pause->autoneg; 328 329 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 330 msleep(1); 331 332 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 333 hw->fc.requested_mode = e1000_fc_default; 334 if (netif_running(adapter->netdev)) { 335 e1000e_down(adapter); 336 e1000e_up(adapter); 337 } else { 338 e1000e_reset(adapter); 339 } 340 } else { 341 if (pause->rx_pause && pause->tx_pause) 342 hw->fc.requested_mode = e1000_fc_full; 343 else if (pause->rx_pause && !pause->tx_pause) 344 hw->fc.requested_mode = e1000_fc_rx_pause; 345 else if (!pause->rx_pause && pause->tx_pause) 346 hw->fc.requested_mode = e1000_fc_tx_pause; 347 else if (!pause->rx_pause && !pause->tx_pause) 348 hw->fc.requested_mode = e1000_fc_none; 349 350 hw->fc.current_mode = hw->fc.requested_mode; 351 352 if (hw->phy.media_type == e1000_media_type_fiber) { 353 retval = hw->mac.ops.setup_link(hw); 354 /* implicit goto out */ 355 } else { 356 retval = e1000e_force_mac_fc(hw); 357 if (retval) 358 goto out; 359 e1000e_set_fc_watermarks(hw); 360 } 361 } 362 363out: 364 clear_bit(__E1000_RESETTING, &adapter->state); 365 return retval; 366} 367 368static u32 e1000_get_rx_csum(struct net_device *netdev) 369{ 370 struct e1000_adapter *adapter = netdev_priv(netdev); 371 return (adapter->flags & FLAG_RX_CSUM_ENABLED); 372} 373 374static int e1000_set_rx_csum(struct net_device *netdev, u32 data) 375{ 376 struct e1000_adapter *adapter = netdev_priv(netdev); 377 378 if (data) 379 adapter->flags |= FLAG_RX_CSUM_ENABLED; 380 else 381 adapter->flags &= ~FLAG_RX_CSUM_ENABLED; 382 383 if (netif_running(netdev)) 384 e1000e_reinit_locked(adapter); 385 else 386 e1000e_reset(adapter); 387 return 0; 388} 389 390static u32 e1000_get_tx_csum(struct net_device *netdev) 391{ 392 return ((netdev->features & NETIF_F_HW_CSUM) != 0); 393} 394 395static int e1000_set_tx_csum(struct net_device *netdev, u32 data) 396{ 397 if (data) 398 netdev->features |= NETIF_F_HW_CSUM; 399 else 400 netdev->features &= ~NETIF_F_HW_CSUM; 401 402 return 0; 403} 404 405static int e1000_set_tso(struct net_device *netdev, u32 data) 406{ 407 struct e1000_adapter *adapter = netdev_priv(netdev); 408 409 if (data) { 410 netdev->features |= NETIF_F_TSO; 411 netdev->features |= NETIF_F_TSO6; 412 } else { 413 netdev->features &= ~NETIF_F_TSO; 414 netdev->features &= ~NETIF_F_TSO6; 415 } 416 417 adapter->flags |= FLAG_TSO_FORCE; 418 return 0; 419} 420 421static u32 e1000_get_msglevel(struct net_device *netdev) 422{ 423 struct e1000_adapter *adapter = netdev_priv(netdev); 424 return adapter->msg_enable; 425} 426 427static void e1000_set_msglevel(struct net_device *netdev, u32 data) 428{ 429 struct e1000_adapter *adapter = netdev_priv(netdev); 430 adapter->msg_enable = data; 431} 432 433static int e1000_get_regs_len(struct net_device *netdev) 434{ 435#define E1000_REGS_LEN 32 /* overestimate */ 436 return E1000_REGS_LEN * sizeof(u32); 437} 438 439static void e1000_get_regs(struct net_device *netdev, 440 struct ethtool_regs *regs, void *p) 441{ 442 struct e1000_adapter *adapter = netdev_priv(netdev); 443 struct e1000_hw *hw = &adapter->hw; 444 u32 *regs_buff = p; 445 u16 phy_data; 446 u8 revision_id; 447 448 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); 449 450 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id); 451 452 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device; 453 454 regs_buff[0] = er32(CTRL); 455 regs_buff[1] = er32(STATUS); 456 457 regs_buff[2] = er32(RCTL); 458 regs_buff[3] = er32(RDLEN); 459 regs_buff[4] = er32(RDH); 460 regs_buff[5] = er32(RDT); 461 regs_buff[6] = er32(RDTR); 462 463 regs_buff[7] = er32(TCTL); 464 regs_buff[8] = er32(TDLEN); 465 regs_buff[9] = er32(TDH); 466 regs_buff[10] = er32(TDT); 467 regs_buff[11] = er32(TIDV); 468 469 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ 470 471 /* ethtool doesn't use anything past this point, so all this 472 * code is likely legacy junk for apps that may or may not 473 * exist */ 474 if (hw->phy.type == e1000_phy_m88) { 475 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); 476 regs_buff[13] = (u32)phy_data; /* cable length */ 477 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 478 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 479 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 480 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); 481 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ 482 regs_buff[18] = regs_buff[13]; /* cable polarity */ 483 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 484 regs_buff[20] = regs_buff[17]; /* polarity correction */ 485 /* phy receive errors */ 486 regs_buff[22] = adapter->phy_stats.receive_errors; 487 regs_buff[23] = regs_buff[13]; /* mdix mode */ 488 } 489 regs_buff[21] = 0; /* was idle_errors */ 490 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); 491 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ 492 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ 493} 494 495static int e1000_get_eeprom_len(struct net_device *netdev) 496{ 497 struct e1000_adapter *adapter = netdev_priv(netdev); 498 return adapter->hw.nvm.word_size * 2; 499} 500 501static int e1000_get_eeprom(struct net_device *netdev, 502 struct ethtool_eeprom *eeprom, u8 *bytes) 503{ 504 struct e1000_adapter *adapter = netdev_priv(netdev); 505 struct e1000_hw *hw = &adapter->hw; 506 u16 *eeprom_buff; 507 int first_word; 508 int last_word; 509 int ret_val = 0; 510 u16 i; 511 512 if (eeprom->len == 0) 513 return -EINVAL; 514 515 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); 516 517 first_word = eeprom->offset >> 1; 518 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 519 520 eeprom_buff = kmalloc(sizeof(u16) * 521 (last_word - first_word + 1), GFP_KERNEL); 522 if (!eeprom_buff) 523 return -ENOMEM; 524 525 if (hw->nvm.type == e1000_nvm_eeprom_spi) { 526 ret_val = e1000_read_nvm(hw, first_word, 527 last_word - first_word + 1, 528 eeprom_buff); 529 } else { 530 for (i = 0; i < last_word - first_word + 1; i++) { 531 ret_val = e1000_read_nvm(hw, first_word + i, 1, 532 &eeprom_buff[i]); 533 if (ret_val) 534 break; 535 } 536 } 537 538 if (ret_val) { 539 /* a read error occurred, throw away the result */ 540 memset(eeprom_buff, 0xff, sizeof(u16) * 541 (last_word - first_word + 1)); 542 } else { 543 /* Device's eeprom is always little-endian, word addressable */ 544 for (i = 0; i < last_word - first_word + 1; i++) 545 le16_to_cpus(&eeprom_buff[i]); 546 } 547 548 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); 549 kfree(eeprom_buff); 550 551 return ret_val; 552} 553 554static int e1000_set_eeprom(struct net_device *netdev, 555 struct ethtool_eeprom *eeprom, u8 *bytes) 556{ 557 struct e1000_adapter *adapter = netdev_priv(netdev); 558 struct e1000_hw *hw = &adapter->hw; 559 u16 *eeprom_buff; 560 void *ptr; 561 int max_len; 562 int first_word; 563 int last_word; 564 int ret_val = 0; 565 u16 i; 566 567 if (eeprom->len == 0) 568 return -EOPNOTSUPP; 569 570 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) 571 return -EFAULT; 572 573 if (adapter->flags & FLAG_READ_ONLY_NVM) 574 return -EINVAL; 575 576 max_len = hw->nvm.word_size * 2; 577 578 first_word = eeprom->offset >> 1; 579 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 580 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 581 if (!eeprom_buff) 582 return -ENOMEM; 583 584 ptr = (void *)eeprom_buff; 585 586 if (eeprom->offset & 1) { 587 /* need read/modify/write of first changed EEPROM word */ 588 /* only the second byte of the word is being modified */ 589 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); 590 ptr++; 591 } 592 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) 593 /* need read/modify/write of last changed EEPROM word */ 594 /* only the first byte of the word is being modified */ 595 ret_val = e1000_read_nvm(hw, last_word, 1, 596 &eeprom_buff[last_word - first_word]); 597 598 if (ret_val) 599 goto out; 600 601 /* Device's eeprom is always little-endian, word addressable */ 602 for (i = 0; i < last_word - first_word + 1; i++) 603 le16_to_cpus(&eeprom_buff[i]); 604 605 memcpy(ptr, bytes, eeprom->len); 606 607 for (i = 0; i < last_word - first_word + 1; i++) 608 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); 609 610 ret_val = e1000_write_nvm(hw, first_word, 611 last_word - first_word + 1, eeprom_buff); 612 613 if (ret_val) 614 goto out; 615 616 /* 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 626out: 627 kfree(eeprom_buff); 628 return ret_val; 629} 630 631static void e1000_get_drvinfo(struct net_device *netdev, 632 struct ethtool_drvinfo *drvinfo) 633{ 634 struct e1000_adapter *adapter = netdev_priv(netdev); 635 char firmware_version[32]; 636 637 strncpy(drvinfo->driver, e1000e_driver_name, 32); 638 strncpy(drvinfo->version, e1000e_driver_version, 32); 639 640 /* 641 * EEPROM image version # is reported as firmware version # for 642 * PCI-E controllers 643 */ 644 sprintf(firmware_version, "%d.%d-%d", 645 (adapter->eeprom_vers & 0xF000) >> 12, 646 (adapter->eeprom_vers & 0x0FF0) >> 4, 647 (adapter->eeprom_vers & 0x000F)); 648 649 strncpy(drvinfo->fw_version, firmware_version, 32); 650 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); 651 drvinfo->regdump_len = e1000_get_regs_len(netdev); 652 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); 653} 654 655static void e1000_get_ringparam(struct net_device *netdev, 656 struct ethtool_ringparam *ring) 657{ 658 struct e1000_adapter *adapter = netdev_priv(netdev); 659 struct e1000_ring *tx_ring = adapter->tx_ring; 660 struct e1000_ring *rx_ring = adapter->rx_ring; 661 662 ring->rx_max_pending = E1000_MAX_RXD; 663 ring->tx_max_pending = E1000_MAX_TXD; 664 ring->rx_mini_max_pending = 0; 665 ring->rx_jumbo_max_pending = 0; 666 ring->rx_pending = rx_ring->count; 667 ring->tx_pending = tx_ring->count; 668 ring->rx_mini_pending = 0; 669 ring->rx_jumbo_pending = 0; 670} 671 672static int e1000_set_ringparam(struct net_device *netdev, 673 struct ethtool_ringparam *ring) 674{ 675 struct e1000_adapter *adapter = netdev_priv(netdev); 676 struct e1000_ring *tx_ring, *tx_old; 677 struct e1000_ring *rx_ring, *rx_old; 678 int err; 679 680 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 681 return -EINVAL; 682 683 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 684 msleep(1); 685 686 if (netif_running(adapter->netdev)) 687 e1000e_down(adapter); 688 689 tx_old = adapter->tx_ring; 690 rx_old = adapter->rx_ring; 691 692 err = -ENOMEM; 693 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); 694 if (!tx_ring) 695 goto err_alloc_tx; 696 /* 697 * use a memcpy to save any previously configured 698 * items like napi structs from having to be 699 * reinitialized 700 */ 701 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring)); 702 703 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); 704 if (!rx_ring) 705 goto err_alloc_rx; 706 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring)); 707 708 adapter->tx_ring = tx_ring; 709 adapter->rx_ring = rx_ring; 710 711 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); 712 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); 713 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); 714 715 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); 716 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); 717 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); 718 719 if (netif_running(adapter->netdev)) { 720 /* Try to get new resources before deleting old */ 721 err = e1000e_setup_rx_resources(adapter); 722 if (err) 723 goto err_setup_rx; 724 err = e1000e_setup_tx_resources(adapter); 725 if (err) 726 goto err_setup_tx; 727 728 /* 729 * restore the old in order to free it, 730 * then add in the new 731 */ 732 adapter->rx_ring = rx_old; 733 adapter->tx_ring = tx_old; 734 e1000e_free_rx_resources(adapter); 735 e1000e_free_tx_resources(adapter); 736 kfree(tx_old); 737 kfree(rx_old); 738 adapter->rx_ring = rx_ring; 739 adapter->tx_ring = tx_ring; 740 err = e1000e_up(adapter); 741 if (err) 742 goto err_setup; 743 } 744 745 clear_bit(__E1000_RESETTING, &adapter->state); 746 return 0; 747err_setup_tx: 748 e1000e_free_rx_resources(adapter); 749err_setup_rx: 750 adapter->rx_ring = rx_old; 751 adapter->tx_ring = tx_old; 752 kfree(rx_ring); 753err_alloc_rx: 754 kfree(tx_ring); 755err_alloc_tx: 756 e1000e_up(adapter); 757err_setup: 758 clear_bit(__E1000_RESETTING, &adapter->state); 759 return err; 760} 761 762static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, 763 int reg, int offset, u32 mask, u32 write) 764{ 765 u32 pat, val; 766 static const u32 test[] = 767 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; 768 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { 769 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, 770 (test[pat] & write)); 771 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); 772 if (val != (test[pat] & write & mask)) { 773 e_err("pattern test reg %04X failed: got 0x%08X " 774 "expected 0x%08X\n", reg + offset, val, 775 (test[pat] & write & mask)); 776 *data = reg; 777 return 1; 778 } 779 } 780 return 0; 781} 782 783static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, 784 int reg, u32 mask, u32 write) 785{ 786 u32 val; 787 __ew32(&adapter->hw, reg, write & mask); 788 val = __er32(&adapter->hw, reg); 789 if ((write & mask) != (val & mask)) { 790 e_err("set/check reg %04X test failed: got 0x%08X " 791 "expected 0x%08X\n", reg, (val & mask), (write & mask)); 792 *data = reg; 793 return 1; 794 } 795 return 0; 796} 797#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ 798 do { \ 799 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ 800 return 1; \ 801 } while (0) 802#define REG_PATTERN_TEST(reg, mask, write) \ 803 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) 804 805#define REG_SET_AND_CHECK(reg, mask, write) \ 806 do { \ 807 if (reg_set_and_check(adapter, data, reg, mask, write)) \ 808 return 1; \ 809 } while (0) 810 811static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) 812{ 813 struct e1000_hw *hw = &adapter->hw; 814 struct e1000_mac_info *mac = &adapter->hw.mac; 815 u32 value; 816 u32 before; 817 u32 after; 818 u32 i; 819 u32 toggle; 820 u32 mask; 821 822 /* 823 * The status register is Read Only, so a write should fail. 824 * Some bits that get toggled are ignored. 825 */ 826 switch (mac->type) { 827 /* there are several bits on newer hardware that are r/w */ 828 case e1000_82571: 829 case e1000_82572: 830 case e1000_80003es2lan: 831 toggle = 0x7FFFF3FF; 832 break; 833 default: 834 toggle = 0x7FFFF033; 835 break; 836 } 837 838 before = er32(STATUS); 839 value = (er32(STATUS) & toggle); 840 ew32(STATUS, toggle); 841 after = er32(STATUS) & toggle; 842 if (value != after) { 843 e_err("failed STATUS register test got: 0x%08X expected: " 844 "0x%08X\n", after, value); 845 *data = 1; 846 return 1; 847 } 848 /* restore previous status */ 849 ew32(STATUS, before); 850 851 if (!(adapter->flags & FLAG_IS_ICH)) { 852 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); 853 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); 854 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); 855 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); 856 } 857 858 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); 859 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 860 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); 861 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); 862 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); 863 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); 864 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); 865 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); 866 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 867 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); 868 869 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); 870 871 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); 872 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); 873 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); 874 875 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); 876 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 877 if (!(adapter->flags & FLAG_IS_ICH)) 878 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); 879 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 880 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); 881 mask = 0x8003FFFF; 882 switch (mac->type) { 883 case e1000_ich10lan: 884 case e1000_pchlan: 885 case e1000_pch2lan: 886 mask |= (1 << 18); 887 break; 888 default: 889 break; 890 } 891 for (i = 0; i < mac->rar_entry_count; i++) 892 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), 893 mask, 0xFFFFFFFF); 894 895 for (i = 0; i < mac->mta_reg_count; i++) 896 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); 897 898 *data = 0; 899 return 0; 900} 901 902static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) 903{ 904 u16 temp; 905 u16 checksum = 0; 906 u16 i; 907 908 *data = 0; 909 /* Read and add up the contents of the EEPROM */ 910 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { 911 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { 912 *data = 1; 913 return *data; 914 } 915 checksum += temp; 916 } 917 918 /* If Checksum is not Correct return error else test passed */ 919 if ((checksum != (u16) NVM_SUM) && !(*data)) 920 *data = 2; 921 922 return *data; 923} 924 925static irqreturn_t e1000_test_intr(int irq, void *data) 926{ 927 struct net_device *netdev = (struct net_device *) data; 928 struct e1000_adapter *adapter = netdev_priv(netdev); 929 struct e1000_hw *hw = &adapter->hw; 930 931 adapter->test_icr |= er32(ICR); 932 933 return IRQ_HANDLED; 934} 935 936static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) 937{ 938 struct net_device *netdev = adapter->netdev; 939 struct e1000_hw *hw = &adapter->hw; 940 u32 mask; 941 u32 shared_int = 1; 942 u32 irq = adapter->pdev->irq; 943 int i; 944 int ret_val = 0; 945 int int_mode = E1000E_INT_MODE_LEGACY; 946 947 *data = 0; 948 949 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ 950 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { 951 int_mode = adapter->int_mode; 952 e1000e_reset_interrupt_capability(adapter); 953 adapter->int_mode = E1000E_INT_MODE_LEGACY; 954 e1000e_set_interrupt_capability(adapter); 955 } 956 /* Hook up test interrupt handler just for this test */ 957 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, 958 netdev)) { 959 shared_int = 0; 960 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, 961 netdev->name, netdev)) { 962 *data = 1; 963 ret_val = -1; 964 goto out; 965 } 966 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); 967 968 /* Disable all the interrupts */ 969 ew32(IMC, 0xFFFFFFFF); 970 msleep(10); 971 972 /* Test each interrupt */ 973 for (i = 0; i < 10; i++) { 974 /* Interrupt to test */ 975 mask = 1 << i; 976 977 if (adapter->flags & FLAG_IS_ICH) { 978 switch (mask) { 979 case E1000_ICR_RXSEQ: 980 continue; 981 case 0x00000100: 982 if (adapter->hw.mac.type == e1000_ich8lan || 983 adapter->hw.mac.type == e1000_ich9lan) 984 continue; 985 break; 986 default: 987 break; 988 } 989 } 990 991 if (!shared_int) { 992 /* 993 * Disable the interrupt to be reported in 994 * the cause register and then force the same 995 * interrupt and see if one gets posted. If 996 * an interrupt was posted to the bus, the 997 * test failed. 998 */ 999 adapter->test_icr = 0; 1000 ew32(IMC, mask); 1001 ew32(ICS, mask); 1002 msleep(10); 1003 1004 if (adapter->test_icr & mask) { 1005 *data = 3; 1006 break; 1007 } 1008 } 1009 1010 /* 1011 * Enable the interrupt to be reported in 1012 * the cause register and then force the same 1013 * interrupt and see if one gets posted. If 1014 * an interrupt was not posted to the bus, the 1015 * test failed. 1016 */ 1017 adapter->test_icr = 0; 1018 ew32(IMS, mask); 1019 ew32(ICS, mask); 1020 msleep(10); 1021 1022 if (!(adapter->test_icr & mask)) { 1023 *data = 4; 1024 break; 1025 } 1026 1027 if (!shared_int) { 1028 /* 1029 * Disable the other interrupts to be reported in 1030 * the cause register and then force the other 1031 * interrupts and see if any get posted. If 1032 * an interrupt was posted to the bus, the 1033 * test failed. 1034 */ 1035 adapter->test_icr = 0; 1036 ew32(IMC, ~mask & 0x00007FFF); 1037 ew32(ICS, ~mask & 0x00007FFF); 1038 msleep(10); 1039 1040 if (adapter->test_icr) { 1041 *data = 5; 1042 break; 1043 } 1044 } 1045 } 1046 1047 /* Disable all the interrupts */ 1048 ew32(IMC, 0xFFFFFFFF); 1049 msleep(10); 1050 1051 /* Unhook test interrupt handler */ 1052 free_irq(irq, netdev); 1053 1054out: 1055 if (int_mode == E1000E_INT_MODE_MSIX) { 1056 e1000e_reset_interrupt_capability(adapter); 1057 adapter->int_mode = int_mode; 1058 e1000e_set_interrupt_capability(adapter); 1059 } 1060 1061 return ret_val; 1062} 1063 1064static void e1000_free_desc_rings(struct e1000_adapter *adapter) 1065{ 1066 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1067 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1068 struct pci_dev *pdev = adapter->pdev; 1069 int i; 1070 1071 if (tx_ring->desc && tx_ring->buffer_info) { 1072 for (i = 0; i < tx_ring->count; i++) { 1073 if (tx_ring->buffer_info[i].dma) 1074 dma_unmap_single(&pdev->dev, 1075 tx_ring->buffer_info[i].dma, 1076 tx_ring->buffer_info[i].length, 1077 DMA_TO_DEVICE); 1078 if (tx_ring->buffer_info[i].skb) 1079 dev_kfree_skb(tx_ring->buffer_info[i].skb); 1080 } 1081 } 1082 1083 if (rx_ring->desc && rx_ring->buffer_info) { 1084 for (i = 0; i < rx_ring->count; i++) { 1085 if (rx_ring->buffer_info[i].dma) 1086 dma_unmap_single(&pdev->dev, 1087 rx_ring->buffer_info[i].dma, 1088 2048, DMA_FROM_DEVICE); 1089 if (rx_ring->buffer_info[i].skb) 1090 dev_kfree_skb(rx_ring->buffer_info[i].skb); 1091 } 1092 } 1093 1094 if (tx_ring->desc) { 1095 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, 1096 tx_ring->dma); 1097 tx_ring->desc = NULL; 1098 } 1099 if (rx_ring->desc) { 1100 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, 1101 rx_ring->dma); 1102 rx_ring->desc = NULL; 1103 } 1104 1105 kfree(tx_ring->buffer_info); 1106 tx_ring->buffer_info = NULL; 1107 kfree(rx_ring->buffer_info); 1108 rx_ring->buffer_info = NULL; 1109} 1110 1111static int e1000_setup_desc_rings(struct e1000_adapter *adapter) 1112{ 1113 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1114 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1115 struct pci_dev *pdev = adapter->pdev; 1116 struct e1000_hw *hw = &adapter->hw; 1117 u32 rctl; 1118 int i; 1119 int ret_val; 1120 1121 /* Setup Tx descriptor ring and Tx buffers */ 1122 1123 if (!tx_ring->count) 1124 tx_ring->count = E1000_DEFAULT_TXD; 1125 1126 tx_ring->buffer_info = kcalloc(tx_ring->count, 1127 sizeof(struct e1000_buffer), 1128 GFP_KERNEL); 1129 if (!(tx_ring->buffer_info)) { 1130 ret_val = 1; 1131 goto err_nomem; 1132 } 1133 1134 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); 1135 tx_ring->size = ALIGN(tx_ring->size, 4096); 1136 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, 1137 &tx_ring->dma, GFP_KERNEL); 1138 if (!tx_ring->desc) { 1139 ret_val = 2; 1140 goto err_nomem; 1141 } 1142 tx_ring->next_to_use = 0; 1143 tx_ring->next_to_clean = 0; 1144 1145 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); 1146 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); 1147 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); 1148 ew32(TDH, 0); 1149 ew32(TDT, 0); 1150 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | 1151 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | 1152 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); 1153 1154 for (i = 0; i < tx_ring->count; i++) { 1155 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); 1156 struct sk_buff *skb; 1157 unsigned int skb_size = 1024; 1158 1159 skb = alloc_skb(skb_size, GFP_KERNEL); 1160 if (!skb) { 1161 ret_val = 3; 1162 goto err_nomem; 1163 } 1164 skb_put(skb, skb_size); 1165 tx_ring->buffer_info[i].skb = skb; 1166 tx_ring->buffer_info[i].length = skb->len; 1167 tx_ring->buffer_info[i].dma = 1168 dma_map_single(&pdev->dev, skb->data, skb->len, 1169 DMA_TO_DEVICE); 1170 if (dma_mapping_error(&pdev->dev, 1171 tx_ring->buffer_info[i].dma)) { 1172 ret_val = 4; 1173 goto err_nomem; 1174 } 1175 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); 1176 tx_desc->lower.data = cpu_to_le32(skb->len); 1177 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | 1178 E1000_TXD_CMD_IFCS | 1179 E1000_TXD_CMD_RS); 1180 tx_desc->upper.data = 0; 1181 } 1182 1183 /* Setup Rx descriptor ring and Rx buffers */ 1184 1185 if (!rx_ring->count) 1186 rx_ring->count = E1000_DEFAULT_RXD; 1187 1188 rx_ring->buffer_info = kcalloc(rx_ring->count, 1189 sizeof(struct e1000_buffer), 1190 GFP_KERNEL); 1191 if (!(rx_ring->buffer_info)) { 1192 ret_val = 5; 1193 goto err_nomem; 1194 } 1195 1196 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); 1197 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, 1198 &rx_ring->dma, GFP_KERNEL); 1199 if (!rx_ring->desc) { 1200 ret_val = 6; 1201 goto err_nomem; 1202 } 1203 rx_ring->next_to_use = 0; 1204 rx_ring->next_to_clean = 0; 1205 1206 rctl = er32(RCTL); 1207 ew32(RCTL, rctl & ~E1000_RCTL_EN); 1208 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); 1209 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); 1210 ew32(RDLEN, rx_ring->size); 1211 ew32(RDH, 0); 1212 ew32(RDT, 0); 1213 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | 1214 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | 1215 E1000_RCTL_SBP | E1000_RCTL_SECRC | 1216 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | 1217 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); 1218 ew32(RCTL, rctl); 1219 1220 for (i = 0; i < rx_ring->count; i++) { 1221 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); 1222 struct sk_buff *skb; 1223 1224 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); 1225 if (!skb) { 1226 ret_val = 7; 1227 goto err_nomem; 1228 } 1229 skb_reserve(skb, NET_IP_ALIGN); 1230 rx_ring->buffer_info[i].skb = skb; 1231 rx_ring->buffer_info[i].dma = 1232 dma_map_single(&pdev->dev, skb->data, 2048, 1233 DMA_FROM_DEVICE); 1234 if (dma_mapping_error(&pdev->dev, 1235 rx_ring->buffer_info[i].dma)) { 1236 ret_val = 8; 1237 goto err_nomem; 1238 } 1239 rx_desc->buffer_addr = 1240 cpu_to_le64(rx_ring->buffer_info[i].dma); 1241 memset(skb->data, 0x00, skb->len); 1242 } 1243 1244 return 0; 1245 1246err_nomem: 1247 e1000_free_desc_rings(adapter); 1248 return ret_val; 1249} 1250 1251static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) 1252{ 1253 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1254 e1e_wphy(&adapter->hw, 29, 0x001F); 1255 e1e_wphy(&adapter->hw, 30, 0x8FFC); 1256 e1e_wphy(&adapter->hw, 29, 0x001A); 1257 e1e_wphy(&adapter->hw, 30, 0x8FF0); 1258} 1259 1260static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) 1261{ 1262 struct e1000_hw *hw = &adapter->hw; 1263 u32 ctrl_reg = 0; 1264 u32 stat_reg = 0; 1265 u16 phy_reg = 0; 1266 1267 hw->mac.autoneg = 0; 1268 1269 if (hw->phy.type == e1000_phy_ife) { 1270 /* force 100, set loopback */ 1271 e1e_wphy(hw, PHY_CONTROL, 0x6100); 1272 1273 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1274 ctrl_reg = er32(CTRL); 1275 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1276 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1277 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1278 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ 1279 E1000_CTRL_FD); /* Force Duplex to FULL */ 1280 1281 ew32(CTRL, ctrl_reg); 1282 udelay(500); 1283 1284 return 0; 1285 } 1286 1287 /* Specific PHY configuration for loopback */ 1288 switch (hw->phy.type) { 1289 case e1000_phy_m88: 1290 /* Auto-MDI/MDIX Off */ 1291 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); 1292 /* reset to update Auto-MDI/MDIX */ 1293 e1e_wphy(hw, PHY_CONTROL, 0x9140); 1294 /* autoneg off */ 1295 e1e_wphy(hw, PHY_CONTROL, 0x8140); 1296 break; 1297 case e1000_phy_gg82563: 1298 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); 1299 break; 1300 case e1000_phy_bm: 1301 /* Set Default MAC Interface speed to 1GB */ 1302 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); 1303 phy_reg &= ~0x0007; 1304 phy_reg |= 0x006; 1305 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); 1306 /* Assert SW reset for above settings to take effect */ 1307 e1000e_commit_phy(hw); 1308 mdelay(1); 1309 /* Force Full Duplex */ 1310 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1311 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); 1312 /* Set Link Up (in force link) */ 1313 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); 1314 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); 1315 /* Force Link */ 1316 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1317 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); 1318 /* Set Early Link Enable */ 1319 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); 1320 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); 1321 break; 1322 case e1000_phy_82577: 1323 case e1000_phy_82578: 1324 e1000_configure_k1_ich8lan(hw, false); 1325 break; 1326 case e1000_phy_82579: 1327 /* Disable PHY energy detect power down */ 1328 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); 1329 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); 1330 /* Disable full chip energy detect */ 1331 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); 1332 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); 1333 /* Enable loopback on the PHY */ 1334#define I82577_PHY_LBK_CTRL 19 1335 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); 1336 break; 1337 default: 1338 break; 1339 } 1340 1341 /* force 1000, set loopback */ 1342 e1e_wphy(hw, PHY_CONTROL, 0x4140); 1343 mdelay(250); 1344 1345 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1346 ctrl_reg = er32(CTRL); 1347 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1348 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1349 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1350 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ 1351 E1000_CTRL_FD); /* Force Duplex to FULL */ 1352 1353 if (adapter->flags & FLAG_IS_ICH) 1354 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ 1355 1356 if (hw->phy.media_type == e1000_media_type_copper && 1357 hw->phy.type == e1000_phy_m88) { 1358 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ 1359 } else { 1360 /* 1361 * Set the ILOS bit on the fiber Nic if half duplex link is 1362 * detected. 1363 */ 1364 stat_reg = er32(STATUS); 1365 if ((stat_reg & E1000_STATUS_FD) == 0) 1366 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); 1367 } 1368 1369 ew32(CTRL, ctrl_reg); 1370 1371 /* 1372 * Disable the receiver on the PHY so when a cable is plugged in, the 1373 * PHY does not begin to autoneg when a cable is reconnected to the NIC. 1374 */ 1375 if (hw->phy.type == e1000_phy_m88) 1376 e1000_phy_disable_receiver(adapter); 1377 1378 udelay(500); 1379 1380 return 0; 1381} 1382 1383static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) 1384{ 1385 struct e1000_hw *hw = &adapter->hw; 1386 u32 ctrl = er32(CTRL); 1387 int link = 0; 1388 1389 /* special requirements for 82571/82572 fiber adapters */ 1390 1391 /* 1392 * jump through hoops to make sure link is up because serdes 1393 * link is hardwired up 1394 */ 1395 ctrl |= E1000_CTRL_SLU; 1396 ew32(CTRL, ctrl); 1397 1398 /* disable autoneg */ 1399 ctrl = er32(TXCW); 1400 ctrl &= ~(1 << 31); 1401 ew32(TXCW, ctrl); 1402 1403 link = (er32(STATUS) & E1000_STATUS_LU); 1404 1405 if (!link) { 1406 /* set invert loss of signal */ 1407 ctrl = er32(CTRL); 1408 ctrl |= E1000_CTRL_ILOS; 1409 ew32(CTRL, ctrl); 1410 } 1411 1412 /* 1413 * special write to serdes control register to enable SerDes analog 1414 * loopback 1415 */ 1416#define E1000_SERDES_LB_ON 0x410 1417 ew32(SCTL, E1000_SERDES_LB_ON); 1418 msleep(10); 1419 1420 return 0; 1421} 1422 1423/* only call this for fiber/serdes connections to es2lan */ 1424static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) 1425{ 1426 struct e1000_hw *hw = &adapter->hw; 1427 u32 ctrlext = er32(CTRL_EXT); 1428 u32 ctrl = er32(CTRL); 1429 1430 /* 1431 * save CTRL_EXT to restore later, reuse an empty variable (unused 1432 * on mac_type 80003es2lan) 1433 */ 1434 adapter->tx_fifo_head = ctrlext; 1435 1436 /* clear the serdes mode bits, putting the device into mac loopback */ 1437 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; 1438 ew32(CTRL_EXT, ctrlext); 1439 1440 /* force speed to 1000/FD, link up */ 1441 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); 1442 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | 1443 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); 1444 ew32(CTRL, ctrl); 1445 1446 /* set mac loopback */ 1447 ctrl = er32(RCTL); 1448 ctrl |= E1000_RCTL_LBM_MAC; 1449 ew32(RCTL, ctrl); 1450 1451 /* set testing mode parameters (no need to reset later) */ 1452#define KMRNCTRLSTA_OPMODE (0x1F << 16) 1453#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 1454 ew32(KMRNCTRLSTA, 1455 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); 1456 1457 return 0; 1458} 1459 1460static int e1000_setup_loopback_test(struct e1000_adapter *adapter) 1461{ 1462 struct e1000_hw *hw = &adapter->hw; 1463 u32 rctl; 1464 1465 if (hw->phy.media_type == e1000_media_type_fiber || 1466 hw->phy.media_type == e1000_media_type_internal_serdes) { 1467 switch (hw->mac.type) { 1468 case e1000_80003es2lan: 1469 return e1000_set_es2lan_mac_loopback(adapter); 1470 break; 1471 case e1000_82571: 1472 case e1000_82572: 1473 return e1000_set_82571_fiber_loopback(adapter); 1474 break; 1475 default: 1476 rctl = er32(RCTL); 1477 rctl |= E1000_RCTL_LBM_TCVR; 1478 ew32(RCTL, rctl); 1479 return 0; 1480 } 1481 } else if (hw->phy.media_type == e1000_media_type_copper) { 1482 return e1000_integrated_phy_loopback(adapter); 1483 } 1484 1485 return 7; 1486} 1487 1488static void e1000_loopback_cleanup(struct e1000_adapter *adapter) 1489{ 1490 struct e1000_hw *hw = &adapter->hw; 1491 u32 rctl; 1492 u16 phy_reg; 1493 1494 rctl = er32(RCTL); 1495 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); 1496 ew32(RCTL, rctl); 1497 1498 switch (hw->mac.type) { 1499 case e1000_80003es2lan: 1500 if (hw->phy.media_type == e1000_media_type_fiber || 1501 hw->phy.media_type == e1000_media_type_internal_serdes) { 1502 /* restore CTRL_EXT, stealing space from tx_fifo_head */ 1503 ew32(CTRL_EXT, adapter->tx_fifo_head); 1504 adapter->tx_fifo_head = 0; 1505 } 1506 /* fall through */ 1507 case e1000_82571: 1508 case e1000_82572: 1509 if (hw->phy.media_type == e1000_media_type_fiber || 1510 hw->phy.media_type == e1000_media_type_internal_serdes) { 1511#define E1000_SERDES_LB_OFF 0x400 1512 ew32(SCTL, E1000_SERDES_LB_OFF); 1513 msleep(10); 1514 break; 1515 } 1516 /* Fall Through */ 1517 default: 1518 hw->mac.autoneg = 1; 1519 if (hw->phy.type == e1000_phy_gg82563) 1520 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); 1521 e1e_rphy(hw, PHY_CONTROL, &phy_reg); 1522 if (phy_reg & MII_CR_LOOPBACK) { 1523 phy_reg &= ~MII_CR_LOOPBACK; 1524 e1e_wphy(hw, PHY_CONTROL, phy_reg); 1525 e1000e_commit_phy(hw); 1526 } 1527 break; 1528 } 1529} 1530 1531static void e1000_create_lbtest_frame(struct sk_buff *skb, 1532 unsigned int frame_size) 1533{ 1534 memset(skb->data, 0xFF, frame_size); 1535 frame_size &= ~1; 1536 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 1537 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); 1538 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); 1539} 1540 1541static int e1000_check_lbtest_frame(struct sk_buff *skb, 1542 unsigned int frame_size) 1543{ 1544 frame_size &= ~1; 1545 if (*(skb->data + 3) == 0xFF) 1546 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 1547 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 1548 return 0; 1549 return 13; 1550} 1551 1552static int e1000_run_loopback_test(struct e1000_adapter *adapter) 1553{ 1554 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1555 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1556 struct pci_dev *pdev = adapter->pdev; 1557 struct e1000_hw *hw = &adapter->hw; 1558 int i, j, k, l; 1559 int lc; 1560 int good_cnt; 1561 int ret_val = 0; 1562 unsigned long time; 1563 1564 ew32(RDT, rx_ring->count - 1); 1565 1566 /* 1567 * Calculate the loop count based on the largest descriptor ring 1568 * The idea is to wrap the largest ring a number of times using 64 1569 * send/receive pairs during each loop 1570 */ 1571 1572 if (rx_ring->count <= tx_ring->count) 1573 lc = ((tx_ring->count / 64) * 2) + 1; 1574 else 1575 lc = ((rx_ring->count / 64) * 2) + 1; 1576 1577 k = 0; 1578 l = 0; 1579 for (j = 0; j <= lc; j++) { /* loop count loop */ 1580 for (i = 0; i < 64; i++) { /* send the packets */ 1581 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, 1582 1024); 1583 dma_sync_single_for_device(&pdev->dev, 1584 tx_ring->buffer_info[k].dma, 1585 tx_ring->buffer_info[k].length, 1586 DMA_TO_DEVICE); 1587 k++; 1588 if (k == tx_ring->count) 1589 k = 0; 1590 } 1591 ew32(TDT, k); 1592 msleep(200); 1593 time = jiffies; /* set the start time for the receive */ 1594 good_cnt = 0; 1595 do { /* receive the sent packets */ 1596 dma_sync_single_for_cpu(&pdev->dev, 1597 rx_ring->buffer_info[l].dma, 2048, 1598 DMA_FROM_DEVICE); 1599 1600 ret_val = e1000_check_lbtest_frame( 1601 rx_ring->buffer_info[l].skb, 1024); 1602 if (!ret_val) 1603 good_cnt++; 1604 l++; 1605 if (l == rx_ring->count) 1606 l = 0; 1607 /* 1608 * time + 20 msecs (200 msecs on 2.4) is more than 1609 * enough time to complete the receives, if it's 1610 * exceeded, break and error off 1611 */ 1612 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); 1613 if (good_cnt != 64) { 1614 ret_val = 13; /* ret_val is the same as mis-compare */ 1615 break; 1616 } 1617 if (jiffies >= (time + 20)) { 1618 ret_val = 14; /* error code for time out error */ 1619 break; 1620 } 1621 } /* end loop count loop */ 1622 return ret_val; 1623} 1624 1625static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) 1626{ 1627 /* 1628 * PHY loopback cannot be performed if SoL/IDER 1629 * sessions are active 1630 */ 1631 if (e1000_check_reset_block(&adapter->hw)) { 1632 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); 1633 *data = 0; 1634 goto out; 1635 } 1636 1637 *data = e1000_setup_desc_rings(adapter); 1638 if (*data) 1639 goto out; 1640 1641 *data = e1000_setup_loopback_test(adapter); 1642 if (*data) 1643 goto err_loopback; 1644 1645 *data = e1000_run_loopback_test(adapter); 1646 e1000_loopback_cleanup(adapter); 1647 1648err_loopback: 1649 e1000_free_desc_rings(adapter); 1650out: 1651 return *data; 1652} 1653 1654static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) 1655{ 1656 struct e1000_hw *hw = &adapter->hw; 1657 1658 *data = 0; 1659 if (hw->phy.media_type == e1000_media_type_internal_serdes) { 1660 int i = 0; 1661 hw->mac.serdes_has_link = false; 1662 1663 /* 1664 * On some blade server designs, link establishment 1665 * could take as long as 2-3 minutes 1666 */ 1667 do { 1668 hw->mac.ops.check_for_link(hw); 1669 if (hw->mac.serdes_has_link) 1670 return *data; 1671 msleep(20); 1672 } while (i++ < 3750); 1673 1674 *data = 1; 1675 } else { 1676 hw->mac.ops.check_for_link(hw); 1677 if (hw->mac.autoneg) 1678 msleep(4000); 1679 1680 if (!(er32(STATUS) & 1681 E1000_STATUS_LU)) 1682 *data = 1; 1683 } 1684 return *data; 1685} 1686 1687static int e1000e_get_sset_count(struct net_device *netdev, int sset) 1688{ 1689 switch (sset) { 1690 case ETH_SS_TEST: 1691 return E1000_TEST_LEN; 1692 case ETH_SS_STATS: 1693 return E1000_STATS_LEN; 1694 default: 1695 return -EOPNOTSUPP; 1696 } 1697} 1698 1699static void e1000_diag_test(struct net_device *netdev, 1700 struct ethtool_test *eth_test, u64 *data) 1701{ 1702 struct e1000_adapter *adapter = netdev_priv(netdev); 1703 u16 autoneg_advertised; 1704 u8 forced_speed_duplex; 1705 u8 autoneg; 1706 bool if_running = netif_running(netdev); 1707 1708 set_bit(__E1000_TESTING, &adapter->state); 1709 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1710 /* Offline tests */ 1711 1712 /* save speed, duplex, autoneg settings */ 1713 autoneg_advertised = adapter->hw.phy.autoneg_advertised; 1714 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; 1715 autoneg = adapter->hw.mac.autoneg; 1716 1717 e_info("offline testing starting\n"); 1718 1719 /* 1720 * Link test performed before hardware reset so autoneg doesn't 1721 * interfere with test result 1722 */ 1723 if (e1000_link_test(adapter, &data[4])) 1724 eth_test->flags |= ETH_TEST_FL_FAILED; 1725 1726 if (if_running) 1727 /* indicate we're in test mode */ 1728 dev_close(netdev); 1729 else 1730 e1000e_reset(adapter); 1731 1732 if (e1000_reg_test(adapter, &data[0])) 1733 eth_test->flags |= ETH_TEST_FL_FAILED; 1734 1735 e1000e_reset(adapter); 1736 if (e1000_eeprom_test(adapter, &data[1])) 1737 eth_test->flags |= ETH_TEST_FL_FAILED; 1738 1739 e1000e_reset(adapter); 1740 if (e1000_intr_test(adapter, &data[2])) 1741 eth_test->flags |= ETH_TEST_FL_FAILED; 1742 1743 e1000e_reset(adapter); 1744 /* make sure the phy is powered up */ 1745 e1000e_power_up_phy(adapter); 1746 if (e1000_loopback_test(adapter, &data[3])) 1747 eth_test->flags |= ETH_TEST_FL_FAILED; 1748 1749 /* restore speed, duplex, autoneg settings */ 1750 adapter->hw.phy.autoneg_advertised = autoneg_advertised; 1751 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; 1752 adapter->hw.mac.autoneg = autoneg; 1753 1754 /* force this routine to wait until autoneg complete/timeout */ 1755 adapter->hw.phy.autoneg_wait_to_complete = 1; 1756 e1000e_reset(adapter); 1757 adapter->hw.phy.autoneg_wait_to_complete = 0; 1758 1759 clear_bit(__E1000_TESTING, &adapter->state); 1760 if (if_running) 1761 dev_open(netdev); 1762 } else { 1763 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) { 1764 clear_bit(__E1000_TESTING, &adapter->state); 1765 dev_open(netdev); 1766 set_bit(__E1000_TESTING, &adapter->state); 1767 } 1768 1769 e_info("online testing starting\n"); 1770 /* Online tests */ 1771 if (e1000_link_test(adapter, &data[4])) 1772 eth_test->flags |= ETH_TEST_FL_FAILED; 1773 1774 /* Online tests aren't run; pass by default */ 1775 data[0] = 0; 1776 data[1] = 0; 1777 data[2] = 0; 1778 data[3] = 0; 1779 1780 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) 1781 dev_close(netdev); 1782 1783 clear_bit(__E1000_TESTING, &adapter->state); 1784 } 1785 msleep_interruptible(4 * 1000); 1786} 1787 1788static void e1000_get_wol(struct net_device *netdev, 1789 struct ethtool_wolinfo *wol) 1790{ 1791 struct e1000_adapter *adapter = netdev_priv(netdev); 1792 1793 wol->supported = 0; 1794 wol->wolopts = 0; 1795 1796 if (!(adapter->flags & FLAG_HAS_WOL) || 1797 !device_can_wakeup(&adapter->pdev->dev)) 1798 return; 1799 1800 wol->supported = WAKE_UCAST | WAKE_MCAST | 1801 WAKE_BCAST | WAKE_MAGIC | 1802 WAKE_PHY | WAKE_ARP; 1803 1804 /* apply any specific unsupported masks here */ 1805 if (adapter->flags & FLAG_NO_WAKE_UCAST) { 1806 wol->supported &= ~WAKE_UCAST; 1807 1808 if (adapter->wol & E1000_WUFC_EX) 1809 e_err("Interface does not support directed (unicast) " 1810 "frame wake-up packets\n"); 1811 } 1812 1813 if (adapter->wol & E1000_WUFC_EX) 1814 wol->wolopts |= WAKE_UCAST; 1815 if (adapter->wol & E1000_WUFC_MC) 1816 wol->wolopts |= WAKE_MCAST; 1817 if (adapter->wol & E1000_WUFC_BC) 1818 wol->wolopts |= WAKE_BCAST; 1819 if (adapter->wol & E1000_WUFC_MAG) 1820 wol->wolopts |= WAKE_MAGIC; 1821 if (adapter->wol & E1000_WUFC_LNKC) 1822 wol->wolopts |= WAKE_PHY; 1823 if (adapter->wol & E1000_WUFC_ARP) 1824 wol->wolopts |= WAKE_ARP; 1825} 1826 1827static int e1000_set_wol(struct net_device *netdev, 1828 struct ethtool_wolinfo *wol) 1829{ 1830 struct e1000_adapter *adapter = netdev_priv(netdev); 1831 1832 if (!(adapter->flags & FLAG_HAS_WOL) || 1833 !device_can_wakeup(&adapter->pdev->dev) || 1834 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | 1835 WAKE_MAGIC | WAKE_PHY | WAKE_ARP))) 1836 return -EOPNOTSUPP; 1837 1838 /* these settings will always override what we currently have */ 1839 adapter->wol = 0; 1840 1841 if (wol->wolopts & WAKE_UCAST) 1842 adapter->wol |= E1000_WUFC_EX; 1843 if (wol->wolopts & WAKE_MCAST) 1844 adapter->wol |= E1000_WUFC_MC; 1845 if (wol->wolopts & WAKE_BCAST) 1846 adapter->wol |= E1000_WUFC_BC; 1847 if (wol->wolopts & WAKE_MAGIC) 1848 adapter->wol |= E1000_WUFC_MAG; 1849 if (wol->wolopts & WAKE_PHY) 1850 adapter->wol |= E1000_WUFC_LNKC; 1851 if (wol->wolopts & WAKE_ARP) 1852 adapter->wol |= E1000_WUFC_ARP; 1853 1854 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 1855 1856 return 0; 1857} 1858 1859/* toggle LED 4 times per second = 2 "blinks" per second */ 1860#define E1000_ID_INTERVAL (HZ/4) 1861 1862/* bit defines for adapter->led_status */ 1863#define E1000_LED_ON 0 1864 1865static void e1000e_led_blink_task(struct work_struct *work) 1866{ 1867 struct e1000_adapter *adapter = container_of(work, 1868 struct e1000_adapter, led_blink_task); 1869 1870 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) 1871 adapter->hw.mac.ops.led_off(&adapter->hw); 1872 else 1873 adapter->hw.mac.ops.led_on(&adapter->hw); 1874} 1875 1876static void e1000_led_blink_callback(unsigned long data) 1877{ 1878 struct e1000_adapter *adapter = (struct e1000_adapter *) data; 1879 1880 schedule_work(&adapter->led_blink_task); 1881 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); 1882} 1883 1884static int e1000_phys_id(struct net_device *netdev, u32 data) 1885{ 1886 struct e1000_adapter *adapter = netdev_priv(netdev); 1887 struct e1000_hw *hw = &adapter->hw; 1888 1889 if (!data) 1890 data = INT_MAX; 1891 1892 if ((hw->phy.type == e1000_phy_ife) || 1893 (hw->mac.type == e1000_pchlan) || 1894 (hw->mac.type == e1000_pch2lan) || 1895 (hw->mac.type == e1000_82583) || 1896 (hw->mac.type == e1000_82574)) { 1897 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); 1898 if (!adapter->blink_timer.function) { 1899 init_timer(&adapter->blink_timer); 1900 adapter->blink_timer.function = 1901 e1000_led_blink_callback; 1902 adapter->blink_timer.data = (unsigned long) adapter; 1903 } 1904 mod_timer(&adapter->blink_timer, jiffies); 1905 msleep_interruptible(data * 1000); 1906 del_timer_sync(&adapter->blink_timer); 1907 if (hw->phy.type == e1000_phy_ife) 1908 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); 1909 } else { 1910 e1000e_blink_led(hw); 1911 msleep_interruptible(data * 1000); 1912 } 1913 1914 hw->mac.ops.led_off(hw); 1915 clear_bit(E1000_LED_ON, &adapter->led_status); 1916 hw->mac.ops.cleanup_led(hw); 1917 1918 return 0; 1919} 1920 1921static int e1000_get_coalesce(struct net_device *netdev, 1922 struct ethtool_coalesce *ec) 1923{ 1924 struct e1000_adapter *adapter = netdev_priv(netdev); 1925 1926 if (adapter->itr_setting <= 4) 1927 ec->rx_coalesce_usecs = adapter->itr_setting; 1928 else 1929 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1930 1931 return 0; 1932} 1933 1934static int e1000_set_coalesce(struct net_device *netdev, 1935 struct ethtool_coalesce *ec) 1936{ 1937 struct e1000_adapter *adapter = netdev_priv(netdev); 1938 struct e1000_hw *hw = &adapter->hw; 1939 1940 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 1941 ((ec->rx_coalesce_usecs > 4) && 1942 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 1943 (ec->rx_coalesce_usecs == 2)) 1944 return -EINVAL; 1945 1946 if (ec->rx_coalesce_usecs == 4) { 1947 adapter->itr = adapter->itr_setting = 4; 1948 } else if (ec->rx_coalesce_usecs <= 3) { 1949 adapter->itr = 20000; 1950 adapter->itr_setting = ec->rx_coalesce_usecs; 1951 } else { 1952 adapter->itr = (1000000 / ec->rx_coalesce_usecs); 1953 adapter->itr_setting = adapter->itr & ~3; 1954 } 1955 1956 if (adapter->itr_setting != 0) 1957 ew32(ITR, 1000000000 / (adapter->itr * 256)); 1958 else 1959 ew32(ITR, 0); 1960 1961 return 0; 1962} 1963 1964static int e1000_nway_reset(struct net_device *netdev) 1965{ 1966 struct e1000_adapter *adapter = netdev_priv(netdev); 1967 if (netif_running(netdev)) 1968 e1000e_reinit_locked(adapter); 1969 return 0; 1970} 1971 1972static void e1000_get_ethtool_stats(struct net_device *netdev, 1973 struct ethtool_stats *stats, 1974 u64 *data) 1975{ 1976 struct e1000_adapter *adapter = netdev_priv(netdev); 1977 int i; 1978 char *p = NULL; 1979 1980 e1000e_update_stats(adapter); 1981 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1982 switch (e1000_gstrings_stats[i].type) { 1983 case NETDEV_STATS: 1984 p = (char *) netdev + 1985 e1000_gstrings_stats[i].stat_offset; 1986 break; 1987 case E1000_STATS: 1988 p = (char *) adapter + 1989 e1000_gstrings_stats[i].stat_offset; 1990 break; 1991 } 1992 1993 data[i] = (e1000_gstrings_stats[i].sizeof_stat == 1994 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1995 } 1996} 1997 1998static void e1000_get_strings(struct net_device *netdev, u32 stringset, 1999 u8 *data) 2000{ 2001 u8 *p = data; 2002 int i; 2003 2004 switch (stringset) { 2005 case ETH_SS_TEST: 2006 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); 2007 break; 2008 case ETH_SS_STATS: 2009 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 2010 memcpy(p, e1000_gstrings_stats[i].stat_string, 2011 ETH_GSTRING_LEN); 2012 p += ETH_GSTRING_LEN; 2013 } 2014 break; 2015 } 2016} 2017 2018static const struct ethtool_ops e1000_ethtool_ops = { 2019 .get_settings = e1000_get_settings, 2020 .set_settings = e1000_set_settings, 2021 .get_drvinfo = e1000_get_drvinfo, 2022 .get_regs_len = e1000_get_regs_len, 2023 .get_regs = e1000_get_regs, 2024 .get_wol = e1000_get_wol, 2025 .set_wol = e1000_set_wol, 2026 .get_msglevel = e1000_get_msglevel, 2027 .set_msglevel = e1000_set_msglevel, 2028 .nway_reset = e1000_nway_reset, 2029 .get_link = e1000_get_link, 2030 .get_eeprom_len = e1000_get_eeprom_len, 2031 .get_eeprom = e1000_get_eeprom, 2032 .set_eeprom = e1000_set_eeprom, 2033 .get_ringparam = e1000_get_ringparam, 2034 .set_ringparam = e1000_set_ringparam, 2035 .get_pauseparam = e1000_get_pauseparam, 2036 .set_pauseparam = e1000_set_pauseparam, 2037 .get_rx_csum = e1000_get_rx_csum, 2038 .set_rx_csum = e1000_set_rx_csum, 2039 .get_tx_csum = e1000_get_tx_csum, 2040 .set_tx_csum = e1000_set_tx_csum, 2041 .get_sg = ethtool_op_get_sg, 2042 .set_sg = ethtool_op_set_sg, 2043 .get_tso = ethtool_op_get_tso, 2044 .set_tso = e1000_set_tso, 2045 .self_test = e1000_diag_test, 2046 .get_strings = e1000_get_strings, 2047 .phys_id = e1000_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_flags = ethtool_op_get_flags, 2053}; 2054 2055void e1000e_set_ethtool_ops(struct net_device *netdev) 2056{ 2057 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); 2058} 2059