1/******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2006 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 "e1000.h" 32 33#include <asm/uaccess.h> 34 35extern char e1000_driver_name[]; 36extern char e1000_driver_version[]; 37 38extern int e1000_up(struct e1000_adapter *adapter); 39extern void e1000_down(struct e1000_adapter *adapter); 40extern void e1000_reinit_locked(struct e1000_adapter *adapter); 41extern void e1000_reset(struct e1000_adapter *adapter); 42extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); 43extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); 44extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); 45extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter); 46extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter); 47extern void e1000_update_stats(struct e1000_adapter *adapter); 48 49 50struct e1000_stats { 51 char stat_string[ETH_GSTRING_LEN]; 52 int sizeof_stat; 53 int stat_offset; 54}; 55 56#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \ 57 offsetof(struct e1000_adapter, m) 58static const struct e1000_stats e1000_gstrings_stats[] = { 59 { "rx_packets", E1000_STAT(stats.gprc) }, 60 { "tx_packets", E1000_STAT(stats.gptc) }, 61 { "rx_bytes", E1000_STAT(stats.gorcl) }, 62 { "tx_bytes", E1000_STAT(stats.gotcl) }, 63 { "rx_broadcast", E1000_STAT(stats.bprc) }, 64 { "tx_broadcast", E1000_STAT(stats.bptc) }, 65 { "rx_multicast", E1000_STAT(stats.mprc) }, 66 { "tx_multicast", E1000_STAT(stats.mptc) }, 67 { "rx_errors", E1000_STAT(stats.rxerrc) }, 68 { "tx_errors", E1000_STAT(stats.txerrc) }, 69 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) }, 70 { "multicast", E1000_STAT(stats.mprc) }, 71 { "collisions", E1000_STAT(stats.colc) }, 72 { "rx_length_errors", E1000_STAT(stats.rlerrc) }, 73 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) }, 74 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, 75 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) }, 76 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, 77 { "rx_missed_errors", E1000_STAT(stats.mpc) }, 78 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, 79 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, 80 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) }, 81 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) }, 82 { "tx_window_errors", E1000_STAT(stats.latecol) }, 83 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, 84 { "tx_deferred_ok", E1000_STAT(stats.dc) }, 85 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, 86 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, 87 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, 88 { "tx_restart_queue", E1000_STAT(restart_queue) }, 89 { "rx_long_length_errors", E1000_STAT(stats.roc) }, 90 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, 91 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, 92 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, 93 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, 94 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, 95 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, 96 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, 97 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, 98 { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, 99 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, 100 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, 101 { "rx_header_split", E1000_STAT(rx_hdr_split) }, 102 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, 103 { "tx_smbus", E1000_STAT(stats.mgptc) }, 104 { "rx_smbus", E1000_STAT(stats.mgprc) }, 105 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, 106}; 107 108#define E1000_QUEUE_STATS_LEN 0 109#define E1000_GLOBAL_STATS_LEN \ 110 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats) 111#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) 112static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { 113 "Register test (offline)", "Eeprom test (offline)", 114 "Interrupt test (offline)", "Loopback test (offline)", 115 "Link test (on/offline)" 116}; 117#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN 118 119static int 120e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 121{ 122 struct e1000_adapter *adapter = netdev_priv(netdev); 123 struct e1000_hw *hw = &adapter->hw; 124 125 if (hw->media_type == e1000_media_type_copper) { 126 127 ecmd->supported = (SUPPORTED_10baseT_Half | 128 SUPPORTED_10baseT_Full | 129 SUPPORTED_100baseT_Half | 130 SUPPORTED_100baseT_Full | 131 SUPPORTED_1000baseT_Full| 132 SUPPORTED_Autoneg | 133 SUPPORTED_TP); 134 if (hw->phy_type == e1000_phy_ife) 135 ecmd->supported &= ~SUPPORTED_1000baseT_Full; 136 ecmd->advertising = ADVERTISED_TP; 137 138 if (hw->autoneg == 1) { 139 ecmd->advertising |= ADVERTISED_Autoneg; 140 /* the e1000 autoneg seems to match ethtool nicely */ 141 ecmd->advertising |= hw->autoneg_advertised; 142 } 143 144 ecmd->port = PORT_TP; 145 ecmd->phy_address = hw->phy_addr; 146 147 if (hw->mac_type == e1000_82543) 148 ecmd->transceiver = XCVR_EXTERNAL; 149 else 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; 162 163 if (hw->mac_type >= e1000_82545) 164 ecmd->transceiver = XCVR_INTERNAL; 165 else 166 ecmd->transceiver = XCVR_EXTERNAL; 167 } 168 169 if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU) { 170 171 e1000_get_speed_and_duplex(hw, &adapter->link_speed, 172 &adapter->link_duplex); 173 ecmd->speed = adapter->link_speed; 174 175 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL 176 * and HALF_DUPLEX != DUPLEX_HALF */ 177 178 if (adapter->link_duplex == FULL_DUPLEX) 179 ecmd->duplex = DUPLEX_FULL; 180 else 181 ecmd->duplex = DUPLEX_HALF; 182 } else { 183 ecmd->speed = -1; 184 ecmd->duplex = -1; 185 } 186 187 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || 188 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; 189 return 0; 190} 191 192static int 193e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 194{ 195 struct e1000_adapter *adapter = netdev_priv(netdev); 196 struct e1000_hw *hw = &adapter->hw; 197 198 /* When SoL/IDER sessions are active, autoneg/speed/duplex 199 * cannot be changed */ 200 if (e1000_check_phy_reset_block(hw)) { 201 DPRINTK(DRV, ERR, "Cannot change link characteristics " 202 "when SoL/IDER is active.\n"); 203 return -EINVAL; 204 } 205 206 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) 207 msleep(1); 208 209 if (ecmd->autoneg == AUTONEG_ENABLE) { 210 hw->autoneg = 1; 211 if (hw->media_type == e1000_media_type_fiber) 212 hw->autoneg_advertised = ADVERTISED_1000baseT_Full | 213 ADVERTISED_FIBRE | 214 ADVERTISED_Autoneg; 215 else 216 hw->autoneg_advertised = ecmd->advertising | 217 ADVERTISED_TP | 218 ADVERTISED_Autoneg; 219 ecmd->advertising = hw->autoneg_advertised; 220 } else 221 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { 222 clear_bit(__E1000_RESETTING, &adapter->flags); 223 return -EINVAL; 224 } 225 226 /* reset the link */ 227 228 if (netif_running(adapter->netdev)) { 229 e1000_down(adapter); 230 e1000_up(adapter); 231 } else 232 e1000_reset(adapter); 233 234 clear_bit(__E1000_RESETTING, &adapter->flags); 235 return 0; 236} 237 238static void 239e1000_get_pauseparam(struct net_device *netdev, 240 struct ethtool_pauseparam *pause) 241{ 242 struct e1000_adapter *adapter = netdev_priv(netdev); 243 struct e1000_hw *hw = &adapter->hw; 244 245 pause->autoneg = 246 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 247 248 if (hw->fc == E1000_FC_RX_PAUSE) 249 pause->rx_pause = 1; 250 else if (hw->fc == E1000_FC_TX_PAUSE) 251 pause->tx_pause = 1; 252 else if (hw->fc == E1000_FC_FULL) { 253 pause->rx_pause = 1; 254 pause->tx_pause = 1; 255 } 256} 257 258static int 259e1000_set_pauseparam(struct net_device *netdev, 260 struct ethtool_pauseparam *pause) 261{ 262 struct e1000_adapter *adapter = netdev_priv(netdev); 263 struct e1000_hw *hw = &adapter->hw; 264 int retval = 0; 265 266 adapter->fc_autoneg = pause->autoneg; 267 268 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) 269 msleep(1); 270 271 if (pause->rx_pause && pause->tx_pause) 272 hw->fc = E1000_FC_FULL; 273 else if (pause->rx_pause && !pause->tx_pause) 274 hw->fc = E1000_FC_RX_PAUSE; 275 else if (!pause->rx_pause && pause->tx_pause) 276 hw->fc = E1000_FC_TX_PAUSE; 277 else if (!pause->rx_pause && !pause->tx_pause) 278 hw->fc = E1000_FC_NONE; 279 280 hw->original_fc = hw->fc; 281 282 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 283 if (netif_running(adapter->netdev)) { 284 e1000_down(adapter); 285 e1000_up(adapter); 286 } else 287 e1000_reset(adapter); 288 } else 289 retval = ((hw->media_type == e1000_media_type_fiber) ? 290 e1000_setup_link(hw) : e1000_force_mac_fc(hw)); 291 292 clear_bit(__E1000_RESETTING, &adapter->flags); 293 return retval; 294} 295 296static uint32_t 297e1000_get_rx_csum(struct net_device *netdev) 298{ 299 struct e1000_adapter *adapter = netdev_priv(netdev); 300 return adapter->rx_csum; 301} 302 303static int 304e1000_set_rx_csum(struct net_device *netdev, uint32_t data) 305{ 306 struct e1000_adapter *adapter = netdev_priv(netdev); 307 adapter->rx_csum = data; 308 309 if (netif_running(netdev)) 310 e1000_reinit_locked(adapter); 311 else 312 e1000_reset(adapter); 313 return 0; 314} 315 316static uint32_t 317e1000_get_tx_csum(struct net_device *netdev) 318{ 319 return (netdev->features & NETIF_F_HW_CSUM) != 0; 320} 321 322static int 323e1000_set_tx_csum(struct net_device *netdev, uint32_t data) 324{ 325 struct e1000_adapter *adapter = netdev_priv(netdev); 326 327 if (adapter->hw.mac_type < e1000_82543) { 328 if (!data) 329 return -EINVAL; 330 return 0; 331 } 332 333 if (data) 334 netdev->features |= NETIF_F_HW_CSUM; 335 else 336 netdev->features &= ~NETIF_F_HW_CSUM; 337 338 return 0; 339} 340 341static int 342e1000_set_tso(struct net_device *netdev, uint32_t data) 343{ 344 struct e1000_adapter *adapter = netdev_priv(netdev); 345 if ((adapter->hw.mac_type < e1000_82544) || 346 (adapter->hw.mac_type == e1000_82547)) 347 return data ? -EINVAL : 0; 348 349 if (data) 350 netdev->features |= NETIF_F_TSO; 351 else 352 netdev->features &= ~NETIF_F_TSO; 353 354 if (data) 355 netdev->features |= NETIF_F_TSO6; 356 else 357 netdev->features &= ~NETIF_F_TSO6; 358 359 DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled"); 360 adapter->tso_force = TRUE; 361 return 0; 362} 363 364static uint32_t 365e1000_get_msglevel(struct net_device *netdev) 366{ 367 struct e1000_adapter *adapter = netdev_priv(netdev); 368 return adapter->msg_enable; 369} 370 371static void 372e1000_set_msglevel(struct net_device *netdev, uint32_t data) 373{ 374 struct e1000_adapter *adapter = netdev_priv(netdev); 375 adapter->msg_enable = data; 376} 377 378static int 379e1000_get_regs_len(struct net_device *netdev) 380{ 381#define E1000_REGS_LEN 32 382 return E1000_REGS_LEN * sizeof(uint32_t); 383} 384 385static void 386e1000_get_regs(struct net_device *netdev, 387 struct ethtool_regs *regs, void *p) 388{ 389 struct e1000_adapter *adapter = netdev_priv(netdev); 390 struct e1000_hw *hw = &adapter->hw; 391 uint32_t *regs_buff = p; 392 uint16_t phy_data; 393 394 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t)); 395 396 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; 397 398 regs_buff[0] = E1000_READ_REG(hw, CTRL); 399 regs_buff[1] = E1000_READ_REG(hw, STATUS); 400 401 regs_buff[2] = E1000_READ_REG(hw, RCTL); 402 regs_buff[3] = E1000_READ_REG(hw, RDLEN); 403 regs_buff[4] = E1000_READ_REG(hw, RDH); 404 regs_buff[5] = E1000_READ_REG(hw, RDT); 405 regs_buff[6] = E1000_READ_REG(hw, RDTR); 406 407 regs_buff[7] = E1000_READ_REG(hw, TCTL); 408 regs_buff[8] = E1000_READ_REG(hw, TDLEN); 409 regs_buff[9] = E1000_READ_REG(hw, TDH); 410 regs_buff[10] = E1000_READ_REG(hw, TDT); 411 regs_buff[11] = E1000_READ_REG(hw, TIDV); 412 413 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */ 414 if (hw->phy_type == e1000_phy_igp) { 415 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 416 IGP01E1000_PHY_AGC_A); 417 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & 418 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 419 regs_buff[13] = (uint32_t)phy_data; /* cable length */ 420 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 421 IGP01E1000_PHY_AGC_B); 422 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & 423 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 424 regs_buff[14] = (uint32_t)phy_data; /* cable length */ 425 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 426 IGP01E1000_PHY_AGC_C); 427 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & 428 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 429 regs_buff[15] = (uint32_t)phy_data; /* cable length */ 430 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 431 IGP01E1000_PHY_AGC_D); 432 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & 433 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 434 regs_buff[16] = (uint32_t)phy_data; /* cable length */ 435 regs_buff[17] = 0; /* extended 10bt distance (not needed) */ 436 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); 437 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & 438 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 439 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */ 440 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 441 IGP01E1000_PHY_PCS_INIT_REG); 442 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & 443 IGP01E1000_PHY_PAGE_SELECT, &phy_data); 444 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */ 445 regs_buff[20] = 0; /* polarity correction enabled (always) */ 446 regs_buff[22] = 0; /* phy receive errors (unavailable) */ 447 regs_buff[23] = regs_buff[18]; /* mdix mode */ 448 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); 449 } else { 450 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); 451 regs_buff[13] = (uint32_t)phy_data; /* cable length */ 452 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 453 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 454 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 455 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); 456 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */ 457 regs_buff[18] = regs_buff[13]; /* cable polarity */ 458 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 459 regs_buff[20] = regs_buff[17]; /* polarity correction */ 460 /* phy receive errors */ 461 regs_buff[22] = adapter->phy_stats.receive_errors; 462 regs_buff[23] = regs_buff[13]; /* mdix mode */ 463 } 464 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ 465 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); 466 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */ 467 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ 468 if (hw->mac_type >= e1000_82540 && 469 hw->mac_type < e1000_82571 && 470 hw->media_type == e1000_media_type_copper) { 471 regs_buff[26] = E1000_READ_REG(hw, MANC); 472 } 473} 474 475static int 476e1000_get_eeprom_len(struct net_device *netdev) 477{ 478 struct e1000_adapter *adapter = netdev_priv(netdev); 479 return adapter->hw.eeprom.word_size * 2; 480} 481 482static int 483e1000_get_eeprom(struct net_device *netdev, 484 struct ethtool_eeprom *eeprom, uint8_t *bytes) 485{ 486 struct e1000_adapter *adapter = netdev_priv(netdev); 487 struct e1000_hw *hw = &adapter->hw; 488 uint16_t *eeprom_buff; 489 int first_word, last_word; 490 int ret_val = 0; 491 uint16_t i; 492 493 if (eeprom->len == 0) 494 return -EINVAL; 495 496 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 497 498 first_word = eeprom->offset >> 1; 499 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 500 501 eeprom_buff = kmalloc(sizeof(uint16_t) * 502 (last_word - first_word + 1), GFP_KERNEL); 503 if (!eeprom_buff) 504 return -ENOMEM; 505 506 if (hw->eeprom.type == e1000_eeprom_spi) 507 ret_val = e1000_read_eeprom(hw, first_word, 508 last_word - first_word + 1, 509 eeprom_buff); 510 else { 511 for (i = 0; i < last_word - first_word + 1; i++) 512 if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1, 513 &eeprom_buff[i]))) 514 break; 515 } 516 517 /* Device's eeprom is always little-endian, word addressable */ 518 for (i = 0; i < last_word - first_word + 1; i++) 519 le16_to_cpus(&eeprom_buff[i]); 520 521 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1), 522 eeprom->len); 523 kfree(eeprom_buff); 524 525 return ret_val; 526} 527 528static int 529e1000_set_eeprom(struct net_device *netdev, 530 struct ethtool_eeprom *eeprom, uint8_t *bytes) 531{ 532 struct e1000_adapter *adapter = netdev_priv(netdev); 533 struct e1000_hw *hw = &adapter->hw; 534 uint16_t *eeprom_buff; 535 void *ptr; 536 int max_len, first_word, last_word, ret_val = 0; 537 uint16_t i; 538 539 if (eeprom->len == 0) 540 return -EOPNOTSUPP; 541 542 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) 543 return -EFAULT; 544 545 max_len = hw->eeprom.word_size * 2; 546 547 first_word = eeprom->offset >> 1; 548 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 549 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 550 if (!eeprom_buff) 551 return -ENOMEM; 552 553 ptr = (void *)eeprom_buff; 554 555 if (eeprom->offset & 1) { 556 /* need read/modify/write of first changed EEPROM word */ 557 /* only the second byte of the word is being modified */ 558 ret_val = e1000_read_eeprom(hw, first_word, 1, 559 &eeprom_buff[0]); 560 ptr++; 561 } 562 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { 563 /* need read/modify/write of last changed EEPROM word */ 564 /* only the first byte of the word is being modified */ 565 ret_val = e1000_read_eeprom(hw, last_word, 1, 566 &eeprom_buff[last_word - first_word]); 567 } 568 569 /* Device's eeprom is always little-endian, word addressable */ 570 for (i = 0; i < last_word - first_word + 1; i++) 571 le16_to_cpus(&eeprom_buff[i]); 572 573 memcpy(ptr, bytes, eeprom->len); 574 575 for (i = 0; i < last_word - first_word + 1; i++) 576 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); 577 578 ret_val = e1000_write_eeprom(hw, first_word, 579 last_word - first_word + 1, eeprom_buff); 580 581 /* Update the checksum over the first part of the EEPROM if needed 582 * and flush shadow RAM for 82573 conrollers */ 583 if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || 584 (hw->mac_type == e1000_82573))) 585 e1000_update_eeprom_checksum(hw); 586 587 kfree(eeprom_buff); 588 return ret_val; 589} 590 591static void 592e1000_get_drvinfo(struct net_device *netdev, 593 struct ethtool_drvinfo *drvinfo) 594{ 595 struct e1000_adapter *adapter = netdev_priv(netdev); 596 char firmware_version[32]; 597 uint16_t eeprom_data; 598 599 strncpy(drvinfo->driver, e1000_driver_name, 32); 600 strncpy(drvinfo->version, e1000_driver_version, 32); 601 602 /* EEPROM image version # is reported as firmware version # for 603 * 8257{1|2|3} controllers */ 604 e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data); 605 switch (adapter->hw.mac_type) { 606 case e1000_82571: 607 case e1000_82572: 608 case e1000_82573: 609 case e1000_80003es2lan: 610 case e1000_ich8lan: 611 sprintf(firmware_version, "%d.%d-%d", 612 (eeprom_data & 0xF000) >> 12, 613 (eeprom_data & 0x0FF0) >> 4, 614 eeprom_data & 0x000F); 615 break; 616 default: 617 sprintf(firmware_version, "N/A"); 618 } 619 620 strncpy(drvinfo->fw_version, firmware_version, 32); 621 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); 622 drvinfo->n_stats = E1000_STATS_LEN; 623 drvinfo->testinfo_len = E1000_TEST_LEN; 624 drvinfo->regdump_len = e1000_get_regs_len(netdev); 625 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); 626} 627 628static void 629e1000_get_ringparam(struct net_device *netdev, 630 struct ethtool_ringparam *ring) 631{ 632 struct e1000_adapter *adapter = netdev_priv(netdev); 633 e1000_mac_type mac_type = adapter->hw.mac_type; 634 struct e1000_tx_ring *txdr = adapter->tx_ring; 635 struct e1000_rx_ring *rxdr = adapter->rx_ring; 636 637 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : 638 E1000_MAX_82544_RXD; 639 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : 640 E1000_MAX_82544_TXD; 641 ring->rx_mini_max_pending = 0; 642 ring->rx_jumbo_max_pending = 0; 643 ring->rx_pending = rxdr->count; 644 ring->tx_pending = txdr->count; 645 ring->rx_mini_pending = 0; 646 ring->rx_jumbo_pending = 0; 647} 648 649static int 650e1000_set_ringparam(struct net_device *netdev, 651 struct ethtool_ringparam *ring) 652{ 653 struct e1000_adapter *adapter = netdev_priv(netdev); 654 e1000_mac_type mac_type = adapter->hw.mac_type; 655 struct e1000_tx_ring *txdr, *tx_old; 656 struct e1000_rx_ring *rxdr, *rx_old; 657 int i, err; 658 659 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 660 return -EINVAL; 661 662 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) 663 msleep(1); 664 665 if (netif_running(adapter->netdev)) 666 e1000_down(adapter); 667 668 tx_old = adapter->tx_ring; 669 rx_old = adapter->rx_ring; 670 671 err = -ENOMEM; 672 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL); 673 if (!txdr) 674 goto err_alloc_tx; 675 676 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL); 677 if (!rxdr) 678 goto err_alloc_rx; 679 680 adapter->tx_ring = txdr; 681 adapter->rx_ring = rxdr; 682 683 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); 684 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? 685 E1000_MAX_RXD : E1000_MAX_82544_RXD)); 686 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); 687 688 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD); 689 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ? 690 E1000_MAX_TXD : E1000_MAX_82544_TXD)); 691 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); 692 693 for (i = 0; i < adapter->num_tx_queues; i++) 694 txdr[i].count = txdr->count; 695 for (i = 0; i < adapter->num_rx_queues; i++) 696 rxdr[i].count = rxdr->count; 697 698 if (netif_running(adapter->netdev)) { 699 /* Try to get new resources before deleting old */ 700 if ((err = e1000_setup_all_rx_resources(adapter))) 701 goto err_setup_rx; 702 if ((err = e1000_setup_all_tx_resources(adapter))) 703 goto err_setup_tx; 704 705 /* save the new, restore the old in order to free it, 706 * then restore the new back again */ 707 708 adapter->rx_ring = rx_old; 709 adapter->tx_ring = tx_old; 710 e1000_free_all_rx_resources(adapter); 711 e1000_free_all_tx_resources(adapter); 712 kfree(tx_old); 713 kfree(rx_old); 714 adapter->rx_ring = rxdr; 715 adapter->tx_ring = txdr; 716 if ((err = e1000_up(adapter))) 717 goto err_setup; 718 } 719 720 clear_bit(__E1000_RESETTING, &adapter->flags); 721 return 0; 722err_setup_tx: 723 e1000_free_all_rx_resources(adapter); 724err_setup_rx: 725 adapter->rx_ring = rx_old; 726 adapter->tx_ring = tx_old; 727 kfree(rxdr); 728err_alloc_rx: 729 kfree(txdr); 730err_alloc_tx: 731 e1000_up(adapter); 732err_setup: 733 clear_bit(__E1000_RESETTING, &adapter->flags); 734 return err; 735} 736 737#define REG_PATTERN_TEST(R, M, W) \ 738{ \ 739 uint32_t pat, value; \ 740 uint32_t test[] = \ 741 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ 742 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { \ 743 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ 744 value = E1000_READ_REG(&adapter->hw, R); \ 745 if (value != (test[pat] & W & M)) { \ 746 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \ 747 "0x%08X expected 0x%08X\n", \ 748 E1000_##R, value, (test[pat] & W & M)); \ 749 *data = (adapter->hw.mac_type < e1000_82543) ? \ 750 E1000_82542_##R : E1000_##R; \ 751 return 1; \ 752 } \ 753 } \ 754} 755 756#define REG_SET_AND_CHECK(R, M, W) \ 757{ \ 758 uint32_t value; \ 759 E1000_WRITE_REG(&adapter->hw, R, W & M); \ 760 value = E1000_READ_REG(&adapter->hw, R); \ 761 if ((W & M) != (value & M)) { \ 762 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\ 763 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \ 764 *data = (adapter->hw.mac_type < e1000_82543) ? \ 765 E1000_82542_##R : E1000_##R; \ 766 return 1; \ 767 } \ 768} 769 770static int 771e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) 772{ 773 uint32_t value, before, after; 774 uint32_t i, toggle; 775 776 /* The status register is Read Only, so a write should fail. 777 * Some bits that get toggled are ignored. 778 */ 779 switch (adapter->hw.mac_type) { 780 /* there are several bits on newer hardware that are r/w */ 781 case e1000_82571: 782 case e1000_82572: 783 case e1000_80003es2lan: 784 toggle = 0x7FFFF3FF; 785 break; 786 case e1000_82573: 787 case e1000_ich8lan: 788 toggle = 0x7FFFF033; 789 break; 790 default: 791 toggle = 0xFFFFF833; 792 break; 793 } 794 795 before = E1000_READ_REG(&adapter->hw, STATUS); 796 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle); 797 E1000_WRITE_REG(&adapter->hw, STATUS, toggle); 798 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle; 799 if (value != after) { 800 DPRINTK(DRV, ERR, "failed STATUS register test got: " 801 "0x%08X expected: 0x%08X\n", after, value); 802 *data = 1; 803 return 1; 804 } 805 /* restore previous status */ 806 E1000_WRITE_REG(&adapter->hw, STATUS, before); 807 808 if (adapter->hw.mac_type != e1000_ich8lan) { 809 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); 810 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); 811 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); 812 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); 813 } 814 815 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); 816 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 817 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); 818 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); 819 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); 820 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); 821 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); 822 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); 823 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 824 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); 825 826 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); 827 828 before = (adapter->hw.mac_type == e1000_ich8lan ? 829 0x06C3B33E : 0x06DFB3FE); 830 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); 831 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); 832 833 if (adapter->hw.mac_type >= e1000_82543) { 834 835 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); 836 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 837 if (adapter->hw.mac_type != e1000_ich8lan) 838 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); 839 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 840 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); 841 value = (adapter->hw.mac_type == e1000_ich8lan ? 842 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES); 843 for (i = 0; i < value; i++) { 844 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, 845 0xFFFFFFFF); 846 } 847 848 } else { 849 850 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); 851 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); 852 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); 853 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); 854 855 } 856 857 value = (adapter->hw.mac_type == e1000_ich8lan ? 858 E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE); 859 for (i = 0; i < value; i++) 860 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); 861 862 *data = 0; 863 return 0; 864} 865 866static int 867e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) 868{ 869 uint16_t temp; 870 uint16_t checksum = 0; 871 uint16_t i; 872 873 *data = 0; 874 /* Read and add up the contents of the EEPROM */ 875 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { 876 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) { 877 *data = 1; 878 break; 879 } 880 checksum += temp; 881 } 882 883 /* If Checksum is not Correct return error else test passed */ 884 if ((checksum != (uint16_t) EEPROM_SUM) && !(*data)) 885 *data = 2; 886 887 return *data; 888} 889 890static irqreturn_t 891e1000_test_intr(int irq, void *data) 892{ 893 struct net_device *netdev = (struct net_device *) data; 894 struct e1000_adapter *adapter = netdev_priv(netdev); 895 896 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR); 897 898 return IRQ_HANDLED; 899} 900 901static int 902e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) 903{ 904 struct net_device *netdev = adapter->netdev; 905 uint32_t mask, i=0, shared_int = TRUE; 906 uint32_t irq = adapter->pdev->irq; 907 908 *data = 0; 909 910 /* NOTE: we don't test MSI interrupts here, yet */ 911 /* Hook up test interrupt handler just for this test */ 912 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, 913 netdev)) 914 shared_int = FALSE; 915 else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, 916 netdev->name, netdev)) { 917 *data = 1; 918 return -1; 919 } 920 DPRINTK(HW, INFO, "testing %s interrupt\n", 921 (shared_int ? "shared" : "unshared")); 922 923 /* Disable all the interrupts */ 924 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); 925 msleep(10); 926 927 /* Test each interrupt */ 928 for (; i < 10; i++) { 929 930 if (adapter->hw.mac_type == e1000_ich8lan && i == 8) 931 continue; 932 933 /* Interrupt to test */ 934 mask = 1 << i; 935 936 if (!shared_int) { 937 /* Disable the interrupt to be reported in 938 * the cause register and then force the same 939 * interrupt and see if one gets posted. If 940 * an interrupt was posted to the bus, the 941 * test failed. 942 */ 943 adapter->test_icr = 0; 944 E1000_WRITE_REG(&adapter->hw, IMC, mask); 945 E1000_WRITE_REG(&adapter->hw, ICS, mask); 946 msleep(10); 947 948 if (adapter->test_icr & mask) { 949 *data = 3; 950 break; 951 } 952 } 953 954 /* Enable the interrupt to be reported in 955 * the cause register and then force the same 956 * interrupt and see if one gets posted. If 957 * an interrupt was not posted to the bus, the 958 * test failed. 959 */ 960 adapter->test_icr = 0; 961 E1000_WRITE_REG(&adapter->hw, IMS, mask); 962 E1000_WRITE_REG(&adapter->hw, ICS, mask); 963 msleep(10); 964 965 if (!(adapter->test_icr & mask)) { 966 *data = 4; 967 break; 968 } 969 970 if (!shared_int) { 971 /* Disable the other interrupts to be reported in 972 * the cause register and then force the other 973 * interrupts and see if any get posted. If 974 * an interrupt was posted to the bus, the 975 * test failed. 976 */ 977 adapter->test_icr = 0; 978 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF); 979 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF); 980 msleep(10); 981 982 if (adapter->test_icr) { 983 *data = 5; 984 break; 985 } 986 } 987 } 988 989 /* Disable all the interrupts */ 990 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); 991 msleep(10); 992 993 /* Unhook test interrupt handler */ 994 free_irq(irq, netdev); 995 996 return *data; 997} 998 999static void 1000e1000_free_desc_rings(struct e1000_adapter *adapter) 1001{ 1002 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; 1003 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; 1004 struct pci_dev *pdev = adapter->pdev; 1005 int i; 1006 1007 if (txdr->desc && txdr->buffer_info) { 1008 for (i = 0; i < txdr->count; i++) { 1009 if (txdr->buffer_info[i].dma) 1010 pci_unmap_single(pdev, txdr->buffer_info[i].dma, 1011 txdr->buffer_info[i].length, 1012 PCI_DMA_TODEVICE); 1013 if (txdr->buffer_info[i].skb) 1014 dev_kfree_skb(txdr->buffer_info[i].skb); 1015 } 1016 } 1017 1018 if (rxdr->desc && rxdr->buffer_info) { 1019 for (i = 0; i < rxdr->count; i++) { 1020 if (rxdr->buffer_info[i].dma) 1021 pci_unmap_single(pdev, rxdr->buffer_info[i].dma, 1022 rxdr->buffer_info[i].length, 1023 PCI_DMA_FROMDEVICE); 1024 if (rxdr->buffer_info[i].skb) 1025 dev_kfree_skb(rxdr->buffer_info[i].skb); 1026 } 1027 } 1028 1029 if (txdr->desc) { 1030 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma); 1031 txdr->desc = NULL; 1032 } 1033 if (rxdr->desc) { 1034 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); 1035 rxdr->desc = NULL; 1036 } 1037 1038 kfree(txdr->buffer_info); 1039 txdr->buffer_info = NULL; 1040 kfree(rxdr->buffer_info); 1041 rxdr->buffer_info = NULL; 1042 1043 return; 1044} 1045 1046static int 1047e1000_setup_desc_rings(struct e1000_adapter *adapter) 1048{ 1049 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; 1050 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; 1051 struct pci_dev *pdev = adapter->pdev; 1052 uint32_t rctl; 1053 int i, ret_val; 1054 1055 /* Setup Tx descriptor ring and Tx buffers */ 1056 1057 if (!txdr->count) 1058 txdr->count = E1000_DEFAULT_TXD; 1059 1060 if (!(txdr->buffer_info = kcalloc(txdr->count, 1061 sizeof(struct e1000_buffer), 1062 GFP_KERNEL))) { 1063 ret_val = 1; 1064 goto err_nomem; 1065 } 1066 1067 txdr->size = txdr->count * sizeof(struct e1000_tx_desc); 1068 txdr->size = ALIGN(txdr->size, 4096); 1069 if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, 1070 &txdr->dma))) { 1071 ret_val = 2; 1072 goto err_nomem; 1073 } 1074 memset(txdr->desc, 0, txdr->size); 1075 txdr->next_to_use = txdr->next_to_clean = 0; 1076 1077 E1000_WRITE_REG(&adapter->hw, TDBAL, 1078 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF)); 1079 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32)); 1080 E1000_WRITE_REG(&adapter->hw, TDLEN, 1081 txdr->count * sizeof(struct e1000_tx_desc)); 1082 E1000_WRITE_REG(&adapter->hw, TDH, 0); 1083 E1000_WRITE_REG(&adapter->hw, TDT, 0); 1084 E1000_WRITE_REG(&adapter->hw, TCTL, 1085 E1000_TCTL_PSP | E1000_TCTL_EN | 1086 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | 1087 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); 1088 1089 for (i = 0; i < txdr->count; i++) { 1090 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); 1091 struct sk_buff *skb; 1092 unsigned int size = 1024; 1093 1094 if (!(skb = alloc_skb(size, GFP_KERNEL))) { 1095 ret_val = 3; 1096 goto err_nomem; 1097 } 1098 skb_put(skb, size); 1099 txdr->buffer_info[i].skb = skb; 1100 txdr->buffer_info[i].length = skb->len; 1101 txdr->buffer_info[i].dma = 1102 pci_map_single(pdev, skb->data, skb->len, 1103 PCI_DMA_TODEVICE); 1104 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); 1105 tx_desc->lower.data = cpu_to_le32(skb->len); 1106 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | 1107 E1000_TXD_CMD_IFCS | 1108 E1000_TXD_CMD_RPS); 1109 tx_desc->upper.data = 0; 1110 } 1111 1112 /* Setup Rx descriptor ring and Rx buffers */ 1113 1114 if (!rxdr->count) 1115 rxdr->count = E1000_DEFAULT_RXD; 1116 1117 if (!(rxdr->buffer_info = kcalloc(rxdr->count, 1118 sizeof(struct e1000_buffer), 1119 GFP_KERNEL))) { 1120 ret_val = 4; 1121 goto err_nomem; 1122 } 1123 1124 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); 1125 if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) { 1126 ret_val = 5; 1127 goto err_nomem; 1128 } 1129 memset(rxdr->desc, 0, rxdr->size); 1130 rxdr->next_to_use = rxdr->next_to_clean = 0; 1131 1132 rctl = E1000_READ_REG(&adapter->hw, RCTL); 1133 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN); 1134 E1000_WRITE_REG(&adapter->hw, RDBAL, 1135 ((uint64_t) rxdr->dma & 0xFFFFFFFF)); 1136 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32)); 1137 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size); 1138 E1000_WRITE_REG(&adapter->hw, RDH, 0); 1139 E1000_WRITE_REG(&adapter->hw, RDT, 0); 1140 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | 1141 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | 1142 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); 1143 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); 1144 1145 for (i = 0; i < rxdr->count; i++) { 1146 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); 1147 struct sk_buff *skb; 1148 1149 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, 1150 GFP_KERNEL))) { 1151 ret_val = 6; 1152 goto err_nomem; 1153 } 1154 skb_reserve(skb, NET_IP_ALIGN); 1155 rxdr->buffer_info[i].skb = skb; 1156 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; 1157 rxdr->buffer_info[i].dma = 1158 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048, 1159 PCI_DMA_FROMDEVICE); 1160 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); 1161 memset(skb->data, 0x00, skb->len); 1162 } 1163 1164 return 0; 1165 1166err_nomem: 1167 e1000_free_desc_rings(adapter); 1168 return ret_val; 1169} 1170 1171static void 1172e1000_phy_disable_receiver(struct e1000_adapter *adapter) 1173{ 1174 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1175 e1000_write_phy_reg(&adapter->hw, 29, 0x001F); 1176 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC); 1177 e1000_write_phy_reg(&adapter->hw, 29, 0x001A); 1178 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0); 1179} 1180 1181static void 1182e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) 1183{ 1184 uint16_t phy_reg; 1185 1186 /* Because we reset the PHY above, we need to re-force TX_CLK in the 1187 * Extended PHY Specific Control Register to 25MHz clock. This 1188 * value defaults back to a 2.5MHz clock when the PHY is reset. 1189 */ 1190 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); 1191 phy_reg |= M88E1000_EPSCR_TX_CLK_25; 1192 e1000_write_phy_reg(&adapter->hw, 1193 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); 1194 1195 /* In addition, because of the s/w reset above, we need to enable 1196 * CRS on TX. This must be set for both full and half duplex 1197 * operation. 1198 */ 1199 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); 1200 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; 1201 e1000_write_phy_reg(&adapter->hw, 1202 M88E1000_PHY_SPEC_CTRL, phy_reg); 1203} 1204 1205static int 1206e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) 1207{ 1208 uint32_t ctrl_reg; 1209 uint16_t phy_reg; 1210 1211 /* Setup the Device Control Register for PHY loopback test. */ 1212 1213 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); 1214 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ 1215 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1216 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1217 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ 1218 E1000_CTRL_FD); /* Force Duplex to FULL */ 1219 1220 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); 1221 1222 /* Read the PHY Specific Control Register (0x10) */ 1223 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); 1224 1225 /* Clear Auto-Crossover bits in PHY Specific Control Register 1226 * (bits 6:5). 1227 */ 1228 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; 1229 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg); 1230 1231 /* Perform software reset on the PHY */ 1232 e1000_phy_reset(&adapter->hw); 1233 1234 /* Have to setup TX_CLK and TX_CRS after software reset */ 1235 e1000_phy_reset_clk_and_crs(adapter); 1236 1237 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100); 1238 1239 /* Wait for reset to complete. */ 1240 udelay(500); 1241 1242 /* Have to setup TX_CLK and TX_CRS after software reset */ 1243 e1000_phy_reset_clk_and_crs(adapter); 1244 1245 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1246 e1000_phy_disable_receiver(adapter); 1247 1248 /* Set the loopback bit in the PHY control register. */ 1249 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); 1250 phy_reg |= MII_CR_LOOPBACK; 1251 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); 1252 1253 /* Setup TX_CLK and TX_CRS one more time. */ 1254 e1000_phy_reset_clk_and_crs(adapter); 1255 1256 /* Check Phy Configuration */ 1257 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); 1258 if (phy_reg != 0x4100) 1259 return 9; 1260 1261 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); 1262 if (phy_reg != 0x0070) 1263 return 10; 1264 1265 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg); 1266 if (phy_reg != 0x001A) 1267 return 11; 1268 1269 return 0; 1270} 1271 1272static int 1273e1000_integrated_phy_loopback(struct e1000_adapter *adapter) 1274{ 1275 uint32_t ctrl_reg = 0; 1276 uint32_t stat_reg = 0; 1277 1278 adapter->hw.autoneg = FALSE; 1279 1280 if (adapter->hw.phy_type == e1000_phy_m88) { 1281 /* Auto-MDI/MDIX Off */ 1282 e1000_write_phy_reg(&adapter->hw, 1283 M88E1000_PHY_SPEC_CTRL, 0x0808); 1284 /* reset to update Auto-MDI/MDIX */ 1285 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140); 1286 /* autoneg off */ 1287 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140); 1288 } else if (adapter->hw.phy_type == e1000_phy_gg82563) 1289 e1000_write_phy_reg(&adapter->hw, 1290 GG82563_PHY_KMRN_MODE_CTRL, 1291 0x1CC); 1292 1293 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); 1294 1295 if (adapter->hw.phy_type == e1000_phy_ife) { 1296 /* force 100, set loopback */ 1297 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x6100); 1298 1299 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1300 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1301 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1302 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1303 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ 1304 E1000_CTRL_FD); /* Force Duplex to FULL */ 1305 } else { 1306 /* force 1000, set loopback */ 1307 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140); 1308 1309 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1310 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); 1311 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1312 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1313 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1314 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ 1315 E1000_CTRL_FD); /* Force Duplex to FULL */ 1316 } 1317 1318 if (adapter->hw.media_type == e1000_media_type_copper && 1319 adapter->hw.phy_type == e1000_phy_m88) 1320 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ 1321 else { 1322 /* Set the ILOS bit on the fiber Nic is half 1323 * duplex link is detected. */ 1324 stat_reg = E1000_READ_REG(&adapter->hw, STATUS); 1325 if ((stat_reg & E1000_STATUS_FD) == 0) 1326 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); 1327 } 1328 1329 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); 1330 1331 /* Disable the receiver on the PHY so when a cable is plugged in, the 1332 * PHY does not begin to autoneg when a cable is reconnected to the NIC. 1333 */ 1334 if (adapter->hw.phy_type == e1000_phy_m88) 1335 e1000_phy_disable_receiver(adapter); 1336 1337 udelay(500); 1338 1339 return 0; 1340} 1341 1342static int 1343e1000_set_phy_loopback(struct e1000_adapter *adapter) 1344{ 1345 uint16_t phy_reg = 0; 1346 uint16_t count = 0; 1347 1348 switch (adapter->hw.mac_type) { 1349 case e1000_82543: 1350 if (adapter->hw.media_type == e1000_media_type_copper) { 1351 /* Attempt to setup Loopback mode on Non-integrated PHY. 1352 * Some PHY registers get corrupted at random, so 1353 * attempt this 10 times. 1354 */ 1355 while (e1000_nonintegrated_phy_loopback(adapter) && 1356 count++ < 10); 1357 if (count < 11) 1358 return 0; 1359 } 1360 break; 1361 1362 case e1000_82544: 1363 case e1000_82540: 1364 case e1000_82545: 1365 case e1000_82545_rev_3: 1366 case e1000_82546: 1367 case e1000_82546_rev_3: 1368 case e1000_82541: 1369 case e1000_82541_rev_2: 1370 case e1000_82547: 1371 case e1000_82547_rev_2: 1372 case e1000_82571: 1373 case e1000_82572: 1374 case e1000_82573: 1375 case e1000_80003es2lan: 1376 case e1000_ich8lan: 1377 return e1000_integrated_phy_loopback(adapter); 1378 break; 1379 1380 default: 1381 /* Default PHY loopback work is to read the MII 1382 * control register and assert bit 14 (loopback mode). 1383 */ 1384 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); 1385 phy_reg |= MII_CR_LOOPBACK; 1386 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); 1387 return 0; 1388 break; 1389 } 1390 1391 return 8; 1392} 1393 1394static int 1395e1000_setup_loopback_test(struct e1000_adapter *adapter) 1396{ 1397 struct e1000_hw *hw = &adapter->hw; 1398 uint32_t rctl; 1399 1400 if (hw->media_type == e1000_media_type_fiber || 1401 hw->media_type == e1000_media_type_internal_serdes) { 1402 switch (hw->mac_type) { 1403 case e1000_82545: 1404 case e1000_82546: 1405 case e1000_82545_rev_3: 1406 case e1000_82546_rev_3: 1407 return e1000_set_phy_loopback(adapter); 1408 break; 1409 case e1000_82571: 1410 case e1000_82572: 1411#define E1000_SERDES_LB_ON 0x410 1412 e1000_set_phy_loopback(adapter); 1413 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON); 1414 msleep(10); 1415 return 0; 1416 break; 1417 default: 1418 rctl = E1000_READ_REG(hw, RCTL); 1419 rctl |= E1000_RCTL_LBM_TCVR; 1420 E1000_WRITE_REG(hw, RCTL, rctl); 1421 return 0; 1422 } 1423 } else if (hw->media_type == e1000_media_type_copper) 1424 return e1000_set_phy_loopback(adapter); 1425 1426 return 7; 1427} 1428 1429static void 1430e1000_loopback_cleanup(struct e1000_adapter *adapter) 1431{ 1432 struct e1000_hw *hw = &adapter->hw; 1433 uint32_t rctl; 1434 uint16_t phy_reg; 1435 1436 rctl = E1000_READ_REG(hw, RCTL); 1437 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); 1438 E1000_WRITE_REG(hw, RCTL, rctl); 1439 1440 switch (hw->mac_type) { 1441 case e1000_82571: 1442 case e1000_82572: 1443 if (hw->media_type == e1000_media_type_fiber || 1444 hw->media_type == e1000_media_type_internal_serdes) { 1445#define E1000_SERDES_LB_OFF 0x400 1446 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF); 1447 msleep(10); 1448 break; 1449 } 1450 /* Fall Through */ 1451 case e1000_82545: 1452 case e1000_82546: 1453 case e1000_82545_rev_3: 1454 case e1000_82546_rev_3: 1455 default: 1456 hw->autoneg = TRUE; 1457 if (hw->phy_type == e1000_phy_gg82563) 1458 e1000_write_phy_reg(hw, 1459 GG82563_PHY_KMRN_MODE_CTRL, 1460 0x180); 1461 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); 1462 if (phy_reg & MII_CR_LOOPBACK) { 1463 phy_reg &= ~MII_CR_LOOPBACK; 1464 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); 1465 e1000_phy_reset(hw); 1466 } 1467 break; 1468 } 1469} 1470 1471static void 1472e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) 1473{ 1474 memset(skb->data, 0xFF, frame_size); 1475 frame_size &= ~1; 1476 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 1477 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); 1478 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); 1479} 1480 1481static int 1482e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) 1483{ 1484 frame_size &= ~1; 1485 if (*(skb->data + 3) == 0xFF) { 1486 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 1487 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { 1488 return 0; 1489 } 1490 } 1491 return 13; 1492} 1493 1494static int 1495e1000_run_loopback_test(struct e1000_adapter *adapter) 1496{ 1497 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; 1498 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; 1499 struct pci_dev *pdev = adapter->pdev; 1500 int i, j, k, l, lc, good_cnt, ret_val=0; 1501 unsigned long time; 1502 1503 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1); 1504 1505 /* Calculate the loop count based on the largest descriptor ring 1506 * The idea is to wrap the largest ring a number of times using 64 1507 * send/receive pairs during each loop 1508 */ 1509 1510 if (rxdr->count <= txdr->count) 1511 lc = ((txdr->count / 64) * 2) + 1; 1512 else 1513 lc = ((rxdr->count / 64) * 2) + 1; 1514 1515 k = l = 0; 1516 for (j = 0; j <= lc; j++) { /* loop count loop */ 1517 for (i = 0; i < 64; i++) { /* send the packets */ 1518 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1519 1024); 1520 pci_dma_sync_single_for_device(pdev, 1521 txdr->buffer_info[k].dma, 1522 txdr->buffer_info[k].length, 1523 PCI_DMA_TODEVICE); 1524 if (unlikely(++k == txdr->count)) k = 0; 1525 } 1526 E1000_WRITE_REG(&adapter->hw, TDT, k); 1527 msleep(200); 1528 time = jiffies; /* set the start time for the receive */ 1529 good_cnt = 0; 1530 do { /* receive the sent packets */ 1531 pci_dma_sync_single_for_cpu(pdev, 1532 rxdr->buffer_info[l].dma, 1533 rxdr->buffer_info[l].length, 1534 PCI_DMA_FROMDEVICE); 1535 1536 ret_val = e1000_check_lbtest_frame( 1537 rxdr->buffer_info[l].skb, 1538 1024); 1539 if (!ret_val) 1540 good_cnt++; 1541 if (unlikely(++l == rxdr->count)) l = 0; 1542 /* time + 20 msecs (200 msecs on 2.4) is more than 1543 * enough time to complete the receives, if it's 1544 * exceeded, break and error off 1545 */ 1546 } while (good_cnt < 64 && jiffies < (time + 20)); 1547 if (good_cnt != 64) { 1548 ret_val = 13; /* ret_val is the same as mis-compare */ 1549 break; 1550 } 1551 if (jiffies >= (time + 2)) { 1552 ret_val = 14; /* error code for time out error */ 1553 break; 1554 } 1555 } /* end loop count loop */ 1556 return ret_val; 1557} 1558 1559static int 1560e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data) 1561{ 1562 /* PHY loopback cannot be performed if SoL/IDER 1563 * sessions are active */ 1564 if (e1000_check_phy_reset_block(&adapter->hw)) { 1565 DPRINTK(DRV, ERR, "Cannot do PHY loopback test " 1566 "when SoL/IDER is active.\n"); 1567 *data = 0; 1568 goto out; 1569 } 1570 1571 if ((*data = e1000_setup_desc_rings(adapter))) 1572 goto out; 1573 if ((*data = e1000_setup_loopback_test(adapter))) 1574 goto err_loopback; 1575 *data = e1000_run_loopback_test(adapter); 1576 e1000_loopback_cleanup(adapter); 1577 1578err_loopback: 1579 e1000_free_desc_rings(adapter); 1580out: 1581 return *data; 1582} 1583 1584static int 1585e1000_link_test(struct e1000_adapter *adapter, uint64_t *data) 1586{ 1587 *data = 0; 1588 if (adapter->hw.media_type == e1000_media_type_internal_serdes) { 1589 int i = 0; 1590 adapter->hw.serdes_link_down = TRUE; 1591 1592 /* On some blade server designs, link establishment 1593 * could take as long as 2-3 minutes */ 1594 do { 1595 e1000_check_for_link(&adapter->hw); 1596 if (adapter->hw.serdes_link_down == FALSE) 1597 return *data; 1598 msleep(20); 1599 } while (i++ < 3750); 1600 1601 *data = 1; 1602 } else { 1603 e1000_check_for_link(&adapter->hw); 1604 if (adapter->hw.autoneg) /* if auto_neg is set wait for it */ 1605 msleep(4000); 1606 1607 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) { 1608 *data = 1; 1609 } 1610 } 1611 return *data; 1612} 1613 1614static int 1615e1000_diag_test_count(struct net_device *netdev) 1616{ 1617 return E1000_TEST_LEN; 1618} 1619 1620extern void e1000_power_up_phy(struct e1000_adapter *); 1621 1622static void 1623e1000_diag_test(struct net_device *netdev, 1624 struct ethtool_test *eth_test, uint64_t *data) 1625{ 1626 struct e1000_adapter *adapter = netdev_priv(netdev); 1627 boolean_t if_running = netif_running(netdev); 1628 1629 set_bit(__E1000_TESTING, &adapter->flags); 1630 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1631 /* Offline tests */ 1632 1633 /* save speed, duplex, autoneg settings */ 1634 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised; 1635 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex; 1636 uint8_t autoneg = adapter->hw.autoneg; 1637 1638 DPRINTK(HW, INFO, "offline testing starting\n"); 1639 1640 /* Link test performed before hardware reset so autoneg doesn't 1641 * interfere with test result */ 1642 if (e1000_link_test(adapter, &data[4])) 1643 eth_test->flags |= ETH_TEST_FL_FAILED; 1644 1645 if (if_running) 1646 /* indicate we're in test mode */ 1647 dev_close(netdev); 1648 else 1649 e1000_reset(adapter); 1650 1651 if (e1000_reg_test(adapter, &data[0])) 1652 eth_test->flags |= ETH_TEST_FL_FAILED; 1653 1654 e1000_reset(adapter); 1655 if (e1000_eeprom_test(adapter, &data[1])) 1656 eth_test->flags |= ETH_TEST_FL_FAILED; 1657 1658 e1000_reset(adapter); 1659 if (e1000_intr_test(adapter, &data[2])) 1660 eth_test->flags |= ETH_TEST_FL_FAILED; 1661 1662 e1000_reset(adapter); 1663 /* make sure the phy is powered up */ 1664 e1000_power_up_phy(adapter); 1665 if (e1000_loopback_test(adapter, &data[3])) 1666 eth_test->flags |= ETH_TEST_FL_FAILED; 1667 1668 /* restore speed, duplex, autoneg settings */ 1669 adapter->hw.autoneg_advertised = autoneg_advertised; 1670 adapter->hw.forced_speed_duplex = forced_speed_duplex; 1671 adapter->hw.autoneg = autoneg; 1672 1673 e1000_reset(adapter); 1674 clear_bit(__E1000_TESTING, &adapter->flags); 1675 if (if_running) 1676 dev_open(netdev); 1677 } else { 1678 DPRINTK(HW, INFO, "online testing starting\n"); 1679 /* Online tests */ 1680 if (e1000_link_test(adapter, &data[4])) 1681 eth_test->flags |= ETH_TEST_FL_FAILED; 1682 1683 /* Online tests aren't run; pass by default */ 1684 data[0] = 0; 1685 data[1] = 0; 1686 data[2] = 0; 1687 data[3] = 0; 1688 1689 clear_bit(__E1000_TESTING, &adapter->flags); 1690 } 1691 msleep_interruptible(4 * 1000); 1692} 1693 1694static int e1000_wol_exclusion(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol) 1695{ 1696 struct e1000_hw *hw = &adapter->hw; 1697 int retval = 1; /* fail by default */ 1698 1699 switch (hw->device_id) { 1700 case E1000_DEV_ID_82542: 1701 case E1000_DEV_ID_82543GC_FIBER: 1702 case E1000_DEV_ID_82543GC_COPPER: 1703 case E1000_DEV_ID_82544EI_FIBER: 1704 case E1000_DEV_ID_82546EB_QUAD_COPPER: 1705 case E1000_DEV_ID_82545EM_FIBER: 1706 case E1000_DEV_ID_82545EM_COPPER: 1707 case E1000_DEV_ID_82546GB_QUAD_COPPER: 1708 case E1000_DEV_ID_82546GB_PCIE: 1709 /* these don't support WoL at all */ 1710 wol->supported = 0; 1711 break; 1712 case E1000_DEV_ID_82546EB_FIBER: 1713 case E1000_DEV_ID_82546GB_FIBER: 1714 case E1000_DEV_ID_82571EB_FIBER: 1715 case E1000_DEV_ID_82571EB_SERDES: 1716 case E1000_DEV_ID_82571EB_COPPER: 1717 /* Wake events not supported on port B */ 1718 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) { 1719 wol->supported = 0; 1720 break; 1721 } 1722 /* return success for non excluded adapter ports */ 1723 retval = 0; 1724 break; 1725 case E1000_DEV_ID_82571EB_QUAD_COPPER: 1726 case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: 1727 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 1728 /* quad port adapters only support WoL on port A */ 1729 if (!adapter->quad_port_a) { 1730 wol->supported = 0; 1731 break; 1732 } 1733 /* return success for non excluded adapter ports */ 1734 retval = 0; 1735 break; 1736 default: 1737 /* dual port cards only support WoL on port A from now on 1738 * unless it was enabled in the eeprom for port B 1739 * so exclude FUNC_1 ports from having WoL enabled */ 1740 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1 && 1741 !adapter->eeprom_wol) { 1742 wol->supported = 0; 1743 break; 1744 } 1745 1746 retval = 0; 1747 } 1748 1749 return retval; 1750} 1751 1752static void 1753e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1754{ 1755 struct e1000_adapter *adapter = netdev_priv(netdev); 1756 1757 wol->supported = WAKE_UCAST | WAKE_MCAST | 1758 WAKE_BCAST | WAKE_MAGIC; 1759 wol->wolopts = 0; 1760 1761 /* this function will set ->supported = 0 and return 1 if wol is not 1762 * supported by this hardware */ 1763 if (e1000_wol_exclusion(adapter, wol)) 1764 return; 1765 1766 /* apply any specific unsupported masks here */ 1767 switch (adapter->hw.device_id) { 1768 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 1769 /* KSP3 does not suppport UCAST wake-ups */ 1770 wol->supported &= ~WAKE_UCAST; 1771 1772 if (adapter->wol & E1000_WUFC_EX) 1773 DPRINTK(DRV, ERR, "Interface does not support " 1774 "directed (unicast) frame wake-up packets\n"); 1775 break; 1776 default: 1777 break; 1778 } 1779 1780 if (adapter->wol & E1000_WUFC_EX) 1781 wol->wolopts |= WAKE_UCAST; 1782 if (adapter->wol & E1000_WUFC_MC) 1783 wol->wolopts |= WAKE_MCAST; 1784 if (adapter->wol & E1000_WUFC_BC) 1785 wol->wolopts |= WAKE_BCAST; 1786 if (adapter->wol & E1000_WUFC_MAG) 1787 wol->wolopts |= WAKE_MAGIC; 1788 1789 return; 1790} 1791 1792static int 1793e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1794{ 1795 struct e1000_adapter *adapter = netdev_priv(netdev); 1796 struct e1000_hw *hw = &adapter->hw; 1797 1798 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) 1799 return -EOPNOTSUPP; 1800 1801 if (e1000_wol_exclusion(adapter, wol)) 1802 return wol->wolopts ? -EOPNOTSUPP : 0; 1803 1804 switch (hw->device_id) { 1805 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 1806 if (wol->wolopts & WAKE_UCAST) { 1807 DPRINTK(DRV, ERR, "Interface does not support " 1808 "directed (unicast) frame wake-up packets\n"); 1809 return -EOPNOTSUPP; 1810 } 1811 break; 1812 default: 1813 break; 1814 } 1815 1816 /* these settings will always override what we currently have */ 1817 adapter->wol = 0; 1818 1819 if (wol->wolopts & WAKE_UCAST) 1820 adapter->wol |= E1000_WUFC_EX; 1821 if (wol->wolopts & WAKE_MCAST) 1822 adapter->wol |= E1000_WUFC_MC; 1823 if (wol->wolopts & WAKE_BCAST) 1824 adapter->wol |= E1000_WUFC_BC; 1825 if (wol->wolopts & WAKE_MAGIC) 1826 adapter->wol |= E1000_WUFC_MAG; 1827 1828 return 0; 1829} 1830 1831/* toggle LED 4 times per second = 2 "blinks" per second */ 1832#define E1000_ID_INTERVAL (HZ/4) 1833 1834/* bit defines for adapter->led_status */ 1835#define E1000_LED_ON 0 1836 1837static void 1838e1000_led_blink_callback(unsigned long data) 1839{ 1840 struct e1000_adapter *adapter = (struct e1000_adapter *) data; 1841 1842 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) 1843 e1000_led_off(&adapter->hw); 1844 else 1845 e1000_led_on(&adapter->hw); 1846 1847 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); 1848} 1849 1850static int 1851e1000_phys_id(struct net_device *netdev, uint32_t data) 1852{ 1853 struct e1000_adapter *adapter = netdev_priv(netdev); 1854 1855 if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) 1856 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ); 1857 1858 if (adapter->hw.mac_type < e1000_82571) { 1859 if (!adapter->blink_timer.function) { 1860 init_timer(&adapter->blink_timer); 1861 adapter->blink_timer.function = e1000_led_blink_callback; 1862 adapter->blink_timer.data = (unsigned long) adapter; 1863 } 1864 e1000_setup_led(&adapter->hw); 1865 mod_timer(&adapter->blink_timer, jiffies); 1866 msleep_interruptible(data * 1000); 1867 del_timer_sync(&adapter->blink_timer); 1868 } else if (adapter->hw.phy_type == e1000_phy_ife) { 1869 if (!adapter->blink_timer.function) { 1870 init_timer(&adapter->blink_timer); 1871 adapter->blink_timer.function = e1000_led_blink_callback; 1872 adapter->blink_timer.data = (unsigned long) adapter; 1873 } 1874 mod_timer(&adapter->blink_timer, jiffies); 1875 msleep_interruptible(data * 1000); 1876 del_timer_sync(&adapter->blink_timer); 1877 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0); 1878 } else { 1879 e1000_blink_led_start(&adapter->hw); 1880 msleep_interruptible(data * 1000); 1881 } 1882 1883 e1000_led_off(&adapter->hw); 1884 clear_bit(E1000_LED_ON, &adapter->led_status); 1885 e1000_cleanup_led(&adapter->hw); 1886 1887 return 0; 1888} 1889 1890static int 1891e1000_nway_reset(struct net_device *netdev) 1892{ 1893 struct e1000_adapter *adapter = netdev_priv(netdev); 1894 if (netif_running(netdev)) 1895 e1000_reinit_locked(adapter); 1896 return 0; 1897} 1898 1899static int 1900e1000_get_stats_count(struct net_device *netdev) 1901{ 1902 return E1000_STATS_LEN; 1903} 1904 1905static void 1906e1000_get_ethtool_stats(struct net_device *netdev, 1907 struct ethtool_stats *stats, uint64_t *data) 1908{ 1909 struct e1000_adapter *adapter = netdev_priv(netdev); 1910 int i; 1911 1912 e1000_update_stats(adapter); 1913 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1914 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; 1915 data[i] = (e1000_gstrings_stats[i].sizeof_stat == 1916 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p; 1917 } 1918/* BUG_ON(i != E1000_STATS_LEN); */ 1919} 1920 1921static void 1922e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) 1923{ 1924 uint8_t *p = data; 1925 int i; 1926 1927 switch (stringset) { 1928 case ETH_SS_TEST: 1929 memcpy(data, *e1000_gstrings_test, 1930 E1000_TEST_LEN*ETH_GSTRING_LEN); 1931 break; 1932 case ETH_SS_STATS: 1933 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1934 memcpy(p, e1000_gstrings_stats[i].stat_string, 1935 ETH_GSTRING_LEN); 1936 p += ETH_GSTRING_LEN; 1937 } 1938/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ 1939 break; 1940 } 1941} 1942 1943static const struct ethtool_ops e1000_ethtool_ops = { 1944 .get_settings = e1000_get_settings, 1945 .set_settings = e1000_set_settings, 1946 .get_drvinfo = e1000_get_drvinfo, 1947 .get_regs_len = e1000_get_regs_len, 1948 .get_regs = e1000_get_regs, 1949 .get_wol = e1000_get_wol, 1950 .set_wol = e1000_set_wol, 1951 .get_msglevel = e1000_get_msglevel, 1952 .set_msglevel = e1000_set_msglevel, 1953 .nway_reset = e1000_nway_reset, 1954 .get_link = ethtool_op_get_link, 1955 .get_eeprom_len = e1000_get_eeprom_len, 1956 .get_eeprom = e1000_get_eeprom, 1957 .set_eeprom = e1000_set_eeprom, 1958 .get_ringparam = e1000_get_ringparam, 1959 .set_ringparam = e1000_set_ringparam, 1960 .get_pauseparam = e1000_get_pauseparam, 1961 .set_pauseparam = e1000_set_pauseparam, 1962 .get_rx_csum = e1000_get_rx_csum, 1963 .set_rx_csum = e1000_set_rx_csum, 1964 .get_tx_csum = e1000_get_tx_csum, 1965 .set_tx_csum = e1000_set_tx_csum, 1966 .get_sg = ethtool_op_get_sg, 1967 .set_sg = ethtool_op_set_sg, 1968 .get_tso = ethtool_op_get_tso, 1969 .set_tso = e1000_set_tso, 1970 .self_test_count = e1000_diag_test_count, 1971 .self_test = e1000_diag_test, 1972 .get_strings = e1000_get_strings, 1973 .phys_id = e1000_phys_id, 1974 .get_stats_count = e1000_get_stats_count, 1975 .get_ethtool_stats = e1000_get_ethtool_stats, 1976 .get_perm_addr = ethtool_op_get_perm_addr, 1977}; 1978 1979void e1000_set_ethtool_ops(struct net_device *netdev) 1980{ 1981 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); 1982} 1983