Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v2.6.34 2023 lines 56 kB view raw
1/******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2009 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 u32 status; 122 123 if (hw->phy.media_type == e1000_media_type_copper) { 124 125 ecmd->supported = (SUPPORTED_10baseT_Half | 126 SUPPORTED_10baseT_Full | 127 SUPPORTED_100baseT_Half | 128 SUPPORTED_100baseT_Full | 129 SUPPORTED_1000baseT_Full | 130 SUPPORTED_Autoneg | 131 SUPPORTED_TP); 132 if (hw->phy.type == e1000_phy_ife) 133 ecmd->supported &= ~SUPPORTED_1000baseT_Full; 134 ecmd->advertising = ADVERTISED_TP; 135 136 if (hw->mac.autoneg == 1) { 137 ecmd->advertising |= ADVERTISED_Autoneg; 138 /* the e1000 autoneg seems to match ethtool nicely */ 139 ecmd->advertising |= hw->phy.autoneg_advertised; 140 } 141 142 ecmd->port = PORT_TP; 143 ecmd->phy_address = hw->phy.addr; 144 ecmd->transceiver = XCVR_INTERNAL; 145 146 } else { 147 ecmd->supported = (SUPPORTED_1000baseT_Full | 148 SUPPORTED_FIBRE | 149 SUPPORTED_Autoneg); 150 151 ecmd->advertising = (ADVERTISED_1000baseT_Full | 152 ADVERTISED_FIBRE | 153 ADVERTISED_Autoneg); 154 155 ecmd->port = PORT_FIBRE; 156 ecmd->transceiver = XCVR_EXTERNAL; 157 } 158 159 status = er32(STATUS); 160 if (status & E1000_STATUS_LU) { 161 if (status & E1000_STATUS_SPEED_1000) 162 ecmd->speed = 1000; 163 else if (status & E1000_STATUS_SPEED_100) 164 ecmd->speed = 100; 165 else 166 ecmd->speed = 10; 167 168 if (status & E1000_STATUS_FD) 169 ecmd->duplex = DUPLEX_FULL; 170 else 171 ecmd->duplex = DUPLEX_HALF; 172 } else { 173 ecmd->speed = -1; 174 ecmd->duplex = -1; 175 } 176 177 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || 178 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; 179 180 /* MDI-X => 2; MDI =>1; Invalid =>0 */ 181 if ((hw->phy.media_type == e1000_media_type_copper) && 182 !hw->mac.get_link_status) 183 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : 184 ETH_TP_MDI; 185 else 186 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; 187 188 return 0; 189} 190 191static u32 e1000_get_link(struct net_device *netdev) 192{ 193 struct e1000_adapter *adapter = netdev_priv(netdev); 194 struct e1000_mac_info *mac = &adapter->hw.mac; 195 196 /* 197 * If the link is not reported up to netdev, interrupts are disabled, 198 * and so the physical link state may have changed since we last 199 * looked. Set get_link_status to make sure that the true link 200 * state is interrogated, rather than pulling a cached and possibly 201 * stale link state from the driver. 202 */ 203 if (!netif_carrier_ok(netdev)) 204 mac->get_link_status = 1; 205 206 return e1000e_has_link(adapter); 207} 208 209static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) 210{ 211 struct e1000_mac_info *mac = &adapter->hw.mac; 212 213 mac->autoneg = 0; 214 215 /* Fiber NICs only allow 1000 gbps Full duplex */ 216 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && 217 spddplx != (SPEED_1000 + DUPLEX_FULL)) { 218 e_err("Unsupported Speed/Duplex configuration\n"); 219 return -EINVAL; 220 } 221 222 switch (spddplx) { 223 case SPEED_10 + DUPLEX_HALF: 224 mac->forced_speed_duplex = ADVERTISE_10_HALF; 225 break; 226 case SPEED_10 + DUPLEX_FULL: 227 mac->forced_speed_duplex = ADVERTISE_10_FULL; 228 break; 229 case SPEED_100 + DUPLEX_HALF: 230 mac->forced_speed_duplex = ADVERTISE_100_HALF; 231 break; 232 case SPEED_100 + DUPLEX_FULL: 233 mac->forced_speed_duplex = ADVERTISE_100_FULL; 234 break; 235 case SPEED_1000 + DUPLEX_FULL: 236 mac->autoneg = 1; 237 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; 238 break; 239 case SPEED_1000 + DUPLEX_HALF: /* not supported */ 240 default: 241 e_err("Unsupported Speed/Duplex configuration\n"); 242 return -EINVAL; 243 } 244 return 0; 245} 246 247static int e1000_set_settings(struct net_device *netdev, 248 struct ethtool_cmd *ecmd) 249{ 250 struct e1000_adapter *adapter = netdev_priv(netdev); 251 struct e1000_hw *hw = &adapter->hw; 252 253 /* 254 * When SoL/IDER sessions are active, autoneg/speed/duplex 255 * cannot be changed 256 */ 257 if (e1000_check_reset_block(hw)) { 258 e_err("Cannot change link characteristics when SoL/IDER is " 259 "active.\n"); 260 return -EINVAL; 261 } 262 263 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 264 msleep(1); 265 266 if (ecmd->autoneg == AUTONEG_ENABLE) { 267 hw->mac.autoneg = 1; 268 if (hw->phy.media_type == e1000_media_type_fiber) 269 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | 270 ADVERTISED_FIBRE | 271 ADVERTISED_Autoneg; 272 else 273 hw->phy.autoneg_advertised = ecmd->advertising | 274 ADVERTISED_TP | 275 ADVERTISED_Autoneg; 276 ecmd->advertising = hw->phy.autoneg_advertised; 277 if (adapter->fc_autoneg) 278 hw->fc.requested_mode = e1000_fc_default; 279 } else { 280 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { 281 clear_bit(__E1000_RESETTING, &adapter->state); 282 return -EINVAL; 283 } 284 } 285 286 /* reset the link */ 287 288 if (netif_running(adapter->netdev)) { 289 e1000e_down(adapter); 290 e1000e_up(adapter); 291 } else { 292 e1000e_reset(adapter); 293 } 294 295 clear_bit(__E1000_RESETTING, &adapter->state); 296 return 0; 297} 298 299static void e1000_get_pauseparam(struct net_device *netdev, 300 struct ethtool_pauseparam *pause) 301{ 302 struct e1000_adapter *adapter = netdev_priv(netdev); 303 struct e1000_hw *hw = &adapter->hw; 304 305 pause->autoneg = 306 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 307 308 if (hw->fc.current_mode == e1000_fc_rx_pause) { 309 pause->rx_pause = 1; 310 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { 311 pause->tx_pause = 1; 312 } else if (hw->fc.current_mode == e1000_fc_full) { 313 pause->rx_pause = 1; 314 pause->tx_pause = 1; 315 } 316} 317 318static int e1000_set_pauseparam(struct net_device *netdev, 319 struct ethtool_pauseparam *pause) 320{ 321 struct e1000_adapter *adapter = netdev_priv(netdev); 322 struct e1000_hw *hw = &adapter->hw; 323 int retval = 0; 324 325 adapter->fc_autoneg = pause->autoneg; 326 327 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 328 msleep(1); 329 330 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 331 hw->fc.requested_mode = e1000_fc_default; 332 if (netif_running(adapter->netdev)) { 333 e1000e_down(adapter); 334 e1000e_up(adapter); 335 } else { 336 e1000e_reset(adapter); 337 } 338 } else { 339 if (pause->rx_pause && pause->tx_pause) 340 hw->fc.requested_mode = e1000_fc_full; 341 else if (pause->rx_pause && !pause->tx_pause) 342 hw->fc.requested_mode = e1000_fc_rx_pause; 343 else if (!pause->rx_pause && pause->tx_pause) 344 hw->fc.requested_mode = e1000_fc_tx_pause; 345 else if (!pause->rx_pause && !pause->tx_pause) 346 hw->fc.requested_mode = e1000_fc_none; 347 348 hw->fc.current_mode = hw->fc.requested_mode; 349 350 if (hw->phy.media_type == e1000_media_type_fiber) { 351 retval = hw->mac.ops.setup_link(hw); 352 /* implicit goto out */ 353 } else { 354 retval = e1000e_force_mac_fc(hw); 355 if (retval) 356 goto out; 357 e1000e_set_fc_watermarks(hw); 358 } 359 } 360 361out: 362 clear_bit(__E1000_RESETTING, &adapter->state); 363 return retval; 364} 365 366static u32 e1000_get_rx_csum(struct net_device *netdev) 367{ 368 struct e1000_adapter *adapter = netdev_priv(netdev); 369 return (adapter->flags & FLAG_RX_CSUM_ENABLED); 370} 371 372static int e1000_set_rx_csum(struct net_device *netdev, u32 data) 373{ 374 struct e1000_adapter *adapter = netdev_priv(netdev); 375 376 if (data) 377 adapter->flags |= FLAG_RX_CSUM_ENABLED; 378 else 379 adapter->flags &= ~FLAG_RX_CSUM_ENABLED; 380 381 if (netif_running(netdev)) 382 e1000e_reinit_locked(adapter); 383 else 384 e1000e_reset(adapter); 385 return 0; 386} 387 388static u32 e1000_get_tx_csum(struct net_device *netdev) 389{ 390 return ((netdev->features & NETIF_F_HW_CSUM) != 0); 391} 392 393static int e1000_set_tx_csum(struct net_device *netdev, u32 data) 394{ 395 if (data) 396 netdev->features |= NETIF_F_HW_CSUM; 397 else 398 netdev->features &= ~NETIF_F_HW_CSUM; 399 400 return 0; 401} 402 403static int e1000_set_tso(struct net_device *netdev, u32 data) 404{ 405 struct e1000_adapter *adapter = netdev_priv(netdev); 406 407 if (data) { 408 netdev->features |= NETIF_F_TSO; 409 netdev->features |= NETIF_F_TSO6; 410 } else { 411 netdev->features &= ~NETIF_F_TSO; 412 netdev->features &= ~NETIF_F_TSO6; 413 } 414 415 e_info("TSO is %s\n", data ? "Enabled" : "Disabled"); 416 adapter->flags |= FLAG_TSO_FORCE; 417 return 0; 418} 419 420static u32 e1000_get_msglevel(struct net_device *netdev) 421{ 422 struct e1000_adapter *adapter = netdev_priv(netdev); 423 return adapter->msg_enable; 424} 425 426static void e1000_set_msglevel(struct net_device *netdev, u32 data) 427{ 428 struct e1000_adapter *adapter = netdev_priv(netdev); 429 adapter->msg_enable = data; 430} 431 432static int e1000_get_regs_len(struct net_device *netdev) 433{ 434#define E1000_REGS_LEN 32 /* overestimate */ 435 return E1000_REGS_LEN * sizeof(u32); 436} 437 438static void e1000_get_regs(struct net_device *netdev, 439 struct ethtool_regs *regs, void *p) 440{ 441 struct e1000_adapter *adapter = netdev_priv(netdev); 442 struct e1000_hw *hw = &adapter->hw; 443 u32 *regs_buff = p; 444 u16 phy_data; 445 u8 revision_id; 446 447 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); 448 449 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id); 450 451 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device; 452 453 regs_buff[0] = er32(CTRL); 454 regs_buff[1] = er32(STATUS); 455 456 regs_buff[2] = er32(RCTL); 457 regs_buff[3] = er32(RDLEN); 458 regs_buff[4] = er32(RDH); 459 regs_buff[5] = er32(RDT); 460 regs_buff[6] = er32(RDTR); 461 462 regs_buff[7] = er32(TCTL); 463 regs_buff[8] = er32(TDLEN); 464 regs_buff[9] = er32(TDH); 465 regs_buff[10] = er32(TDT); 466 regs_buff[11] = er32(TIDV); 467 468 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ 469 470 /* ethtool doesn't use anything past this point, so all this 471 * code is likely legacy junk for apps that may or may not 472 * exist */ 473 if (hw->phy.type == e1000_phy_m88) { 474 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); 475 regs_buff[13] = (u32)phy_data; /* cable length */ 476 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 477 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 478 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 479 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); 480 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ 481 regs_buff[18] = regs_buff[13]; /* cable polarity */ 482 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ 483 regs_buff[20] = regs_buff[17]; /* polarity correction */ 484 /* phy receive errors */ 485 regs_buff[22] = adapter->phy_stats.receive_errors; 486 regs_buff[23] = regs_buff[13]; /* mdix mode */ 487 } 488 regs_buff[21] = 0; /* was idle_errors */ 489 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); 490 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ 491 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ 492} 493 494static int e1000_get_eeprom_len(struct net_device *netdev) 495{ 496 struct e1000_adapter *adapter = netdev_priv(netdev); 497 return adapter->hw.nvm.word_size * 2; 498} 499 500static int e1000_get_eeprom(struct net_device *netdev, 501 struct ethtool_eeprom *eeprom, u8 *bytes) 502{ 503 struct e1000_adapter *adapter = netdev_priv(netdev); 504 struct e1000_hw *hw = &adapter->hw; 505 u16 *eeprom_buff; 506 int first_word; 507 int last_word; 508 int ret_val = 0; 509 u16 i; 510 511 if (eeprom->len == 0) 512 return -EINVAL; 513 514 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); 515 516 first_word = eeprom->offset >> 1; 517 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 518 519 eeprom_buff = kmalloc(sizeof(u16) * 520 (last_word - first_word + 1), GFP_KERNEL); 521 if (!eeprom_buff) 522 return -ENOMEM; 523 524 if (hw->nvm.type == e1000_nvm_eeprom_spi) { 525 ret_val = e1000_read_nvm(hw, first_word, 526 last_word - first_word + 1, 527 eeprom_buff); 528 } else { 529 for (i = 0; i < last_word - first_word + 1; i++) { 530 ret_val = e1000_read_nvm(hw, first_word + i, 1, 531 &eeprom_buff[i]); 532 if (ret_val) 533 break; 534 } 535 } 536 537 if (ret_val) { 538 /* a read error occurred, throw away the result */ 539 memset(eeprom_buff, 0xff, sizeof(u16) * 540 (last_word - first_word + 1)); 541 } else { 542 /* Device's eeprom is always little-endian, word addressable */ 543 for (i = 0; i < last_word - first_word + 1; i++) 544 le16_to_cpus(&eeprom_buff[i]); 545 } 546 547 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); 548 kfree(eeprom_buff); 549 550 return ret_val; 551} 552 553static int e1000_set_eeprom(struct net_device *netdev, 554 struct ethtool_eeprom *eeprom, u8 *bytes) 555{ 556 struct e1000_adapter *adapter = netdev_priv(netdev); 557 struct e1000_hw *hw = &adapter->hw; 558 u16 *eeprom_buff; 559 void *ptr; 560 int max_len; 561 int first_word; 562 int last_word; 563 int ret_val = 0; 564 u16 i; 565 566 if (eeprom->len == 0) 567 return -EOPNOTSUPP; 568 569 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) 570 return -EFAULT; 571 572 if (adapter->flags & FLAG_READ_ONLY_NVM) 573 return -EINVAL; 574 575 max_len = hw->nvm.word_size * 2; 576 577 first_word = eeprom->offset >> 1; 578 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 579 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 580 if (!eeprom_buff) 581 return -ENOMEM; 582 583 ptr = (void *)eeprom_buff; 584 585 if (eeprom->offset & 1) { 586 /* need read/modify/write of first changed EEPROM word */ 587 /* only the second byte of the word is being modified */ 588 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); 589 ptr++; 590 } 591 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) 592 /* need read/modify/write of last changed EEPROM word */ 593 /* only the first byte of the word is being modified */ 594 ret_val = e1000_read_nvm(hw, last_word, 1, 595 &eeprom_buff[last_word - first_word]); 596 597 if (ret_val) 598 goto out; 599 600 /* Device's eeprom is always little-endian, word addressable */ 601 for (i = 0; i < last_word - first_word + 1; i++) 602 le16_to_cpus(&eeprom_buff[i]); 603 604 memcpy(ptr, bytes, eeprom->len); 605 606 for (i = 0; i < last_word - first_word + 1; i++) 607 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); 608 609 ret_val = e1000_write_nvm(hw, first_word, 610 last_word - first_word + 1, eeprom_buff); 611 612 if (ret_val) 613 goto out; 614 615 /* 616 * Update the checksum over the first part of the EEPROM if needed 617 * and flush shadow RAM for applicable controllers 618 */ 619 if ((first_word <= NVM_CHECKSUM_REG) || 620 (hw->mac.type == e1000_82583) || 621 (hw->mac.type == e1000_82574) || 622 (hw->mac.type == e1000_82573)) 623 ret_val = e1000e_update_nvm_checksum(hw); 624 625out: 626 kfree(eeprom_buff); 627 return ret_val; 628} 629 630static void e1000_get_drvinfo(struct net_device *netdev, 631 struct ethtool_drvinfo *drvinfo) 632{ 633 struct e1000_adapter *adapter = netdev_priv(netdev); 634 char firmware_version[32]; 635 636 strncpy(drvinfo->driver, e1000e_driver_name, 32); 637 strncpy(drvinfo->version, e1000e_driver_version, 32); 638 639 /* 640 * EEPROM image version # is reported as firmware version # for 641 * PCI-E controllers 642 */ 643 sprintf(firmware_version, "%d.%d-%d", 644 (adapter->eeprom_vers & 0xF000) >> 12, 645 (adapter->eeprom_vers & 0x0FF0) >> 4, 646 (adapter->eeprom_vers & 0x000F)); 647 648 strncpy(drvinfo->fw_version, firmware_version, 32); 649 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); 650 drvinfo->regdump_len = e1000_get_regs_len(netdev); 651 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); 652} 653 654static void e1000_get_ringparam(struct net_device *netdev, 655 struct ethtool_ringparam *ring) 656{ 657 struct e1000_adapter *adapter = netdev_priv(netdev); 658 struct e1000_ring *tx_ring = adapter->tx_ring; 659 struct e1000_ring *rx_ring = adapter->rx_ring; 660 661 ring->rx_max_pending = E1000_MAX_RXD; 662 ring->tx_max_pending = E1000_MAX_TXD; 663 ring->rx_mini_max_pending = 0; 664 ring->rx_jumbo_max_pending = 0; 665 ring->rx_pending = rx_ring->count; 666 ring->tx_pending = tx_ring->count; 667 ring->rx_mini_pending = 0; 668 ring->rx_jumbo_pending = 0; 669} 670 671static int e1000_set_ringparam(struct net_device *netdev, 672 struct ethtool_ringparam *ring) 673{ 674 struct e1000_adapter *adapter = netdev_priv(netdev); 675 struct e1000_ring *tx_ring, *tx_old; 676 struct e1000_ring *rx_ring, *rx_old; 677 int err; 678 679 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 680 return -EINVAL; 681 682 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 683 msleep(1); 684 685 if (netif_running(adapter->netdev)) 686 e1000e_down(adapter); 687 688 tx_old = adapter->tx_ring; 689 rx_old = adapter->rx_ring; 690 691 err = -ENOMEM; 692 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); 693 if (!tx_ring) 694 goto err_alloc_tx; 695 /* 696 * use a memcpy to save any previously configured 697 * items like napi structs from having to be 698 * reinitialized 699 */ 700 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring)); 701 702 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); 703 if (!rx_ring) 704 goto err_alloc_rx; 705 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring)); 706 707 adapter->tx_ring = tx_ring; 708 adapter->rx_ring = rx_ring; 709 710 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); 711 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); 712 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); 713 714 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); 715 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); 716 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); 717 718 if (netif_running(adapter->netdev)) { 719 /* Try to get new resources before deleting old */ 720 err = e1000e_setup_rx_resources(adapter); 721 if (err) 722 goto err_setup_rx; 723 err = e1000e_setup_tx_resources(adapter); 724 if (err) 725 goto err_setup_tx; 726 727 /* 728 * restore the old in order to free it, 729 * then add in the new 730 */ 731 adapter->rx_ring = rx_old; 732 adapter->tx_ring = tx_old; 733 e1000e_free_rx_resources(adapter); 734 e1000e_free_tx_resources(adapter); 735 kfree(tx_old); 736 kfree(rx_old); 737 adapter->rx_ring = rx_ring; 738 adapter->tx_ring = tx_ring; 739 err = e1000e_up(adapter); 740 if (err) 741 goto err_setup; 742 } 743 744 clear_bit(__E1000_RESETTING, &adapter->state); 745 return 0; 746err_setup_tx: 747 e1000e_free_rx_resources(adapter); 748err_setup_rx: 749 adapter->rx_ring = rx_old; 750 adapter->tx_ring = tx_old; 751 kfree(rx_ring); 752err_alloc_rx: 753 kfree(tx_ring); 754err_alloc_tx: 755 e1000e_up(adapter); 756err_setup: 757 clear_bit(__E1000_RESETTING, &adapter->state); 758 return err; 759} 760 761static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, 762 int reg, int offset, u32 mask, u32 write) 763{ 764 u32 pat, val; 765 static const u32 test[] = 766 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; 767 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { 768 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, 769 (test[pat] & write)); 770 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); 771 if (val != (test[pat] & write & mask)) { 772 e_err("pattern test reg %04X failed: got 0x%08X " 773 "expected 0x%08X\n", reg + offset, val, 774 (test[pat] & write & mask)); 775 *data = reg; 776 return 1; 777 } 778 } 779 return 0; 780} 781 782static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, 783 int reg, u32 mask, u32 write) 784{ 785 u32 val; 786 __ew32(&adapter->hw, reg, write & mask); 787 val = __er32(&adapter->hw, reg); 788 if ((write & mask) != (val & mask)) { 789 e_err("set/check reg %04X test failed: got 0x%08X " 790 "expected 0x%08X\n", reg, (val & mask), (write & mask)); 791 *data = reg; 792 return 1; 793 } 794 return 0; 795} 796#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ 797 do { \ 798 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ 799 return 1; \ 800 } while (0) 801#define REG_PATTERN_TEST(reg, mask, write) \ 802 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) 803 804#define REG_SET_AND_CHECK(reg, mask, write) \ 805 do { \ 806 if (reg_set_and_check(adapter, data, reg, mask, write)) \ 807 return 1; \ 808 } while (0) 809 810static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) 811{ 812 struct e1000_hw *hw = &adapter->hw; 813 struct e1000_mac_info *mac = &adapter->hw.mac; 814 u32 value; 815 u32 before; 816 u32 after; 817 u32 i; 818 u32 toggle; 819 u32 mask; 820 821 /* 822 * The status register is Read Only, so a write should fail. 823 * Some bits that get toggled are ignored. 824 */ 825 switch (mac->type) { 826 /* there are several bits on newer hardware that are r/w */ 827 case e1000_82571: 828 case e1000_82572: 829 case e1000_80003es2lan: 830 toggle = 0x7FFFF3FF; 831 break; 832 default: 833 toggle = 0x7FFFF033; 834 break; 835 } 836 837 before = er32(STATUS); 838 value = (er32(STATUS) & toggle); 839 ew32(STATUS, toggle); 840 after = er32(STATUS) & toggle; 841 if (value != after) { 842 e_err("failed STATUS register test got: 0x%08X expected: " 843 "0x%08X\n", after, value); 844 *data = 1; 845 return 1; 846 } 847 /* restore previous status */ 848 ew32(STATUS, before); 849 850 if (!(adapter->flags & FLAG_IS_ICH)) { 851 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); 852 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); 853 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); 854 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); 855 } 856 857 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); 858 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 859 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); 860 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); 861 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); 862 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); 863 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); 864 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); 865 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); 866 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); 867 868 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); 869 870 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); 871 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); 872 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); 873 874 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); 875 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 876 if (!(adapter->flags & FLAG_IS_ICH)) 877 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); 878 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); 879 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); 880 mask = 0x8003FFFF; 881 switch (mac->type) { 882 case e1000_ich10lan: 883 case e1000_pchlan: 884 mask |= (1 << 18); 885 break; 886 default: 887 break; 888 } 889 for (i = 0; i < mac->rar_entry_count; i++) 890 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), 891 mask, 0xFFFFFFFF); 892 893 for (i = 0; i < mac->mta_reg_count; i++) 894 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); 895 896 *data = 0; 897 return 0; 898} 899 900static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) 901{ 902 u16 temp; 903 u16 checksum = 0; 904 u16 i; 905 906 *data = 0; 907 /* Read and add up the contents of the EEPROM */ 908 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { 909 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { 910 *data = 1; 911 return *data; 912 } 913 checksum += temp; 914 } 915 916 /* If Checksum is not Correct return error else test passed */ 917 if ((checksum != (u16) NVM_SUM) && !(*data)) 918 *data = 2; 919 920 return *data; 921} 922 923static irqreturn_t e1000_test_intr(int irq, void *data) 924{ 925 struct net_device *netdev = (struct net_device *) data; 926 struct e1000_adapter *adapter = netdev_priv(netdev); 927 struct e1000_hw *hw = &adapter->hw; 928 929 adapter->test_icr |= er32(ICR); 930 931 return IRQ_HANDLED; 932} 933 934static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) 935{ 936 struct net_device *netdev = adapter->netdev; 937 struct e1000_hw *hw = &adapter->hw; 938 u32 mask; 939 u32 shared_int = 1; 940 u32 irq = adapter->pdev->irq; 941 int i; 942 int ret_val = 0; 943 int int_mode = E1000E_INT_MODE_LEGACY; 944 945 *data = 0; 946 947 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ 948 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { 949 int_mode = adapter->int_mode; 950 e1000e_reset_interrupt_capability(adapter); 951 adapter->int_mode = E1000E_INT_MODE_LEGACY; 952 e1000e_set_interrupt_capability(adapter); 953 } 954 /* Hook up test interrupt handler just for this test */ 955 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, 956 netdev)) { 957 shared_int = 0; 958 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, 959 netdev->name, netdev)) { 960 *data = 1; 961 ret_val = -1; 962 goto out; 963 } 964 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); 965 966 /* Disable all the interrupts */ 967 ew32(IMC, 0xFFFFFFFF); 968 msleep(10); 969 970 /* Test each interrupt */ 971 for (i = 0; i < 10; i++) { 972 /* Interrupt to test */ 973 mask = 1 << i; 974 975 if (adapter->flags & FLAG_IS_ICH) { 976 switch (mask) { 977 case E1000_ICR_RXSEQ: 978 continue; 979 case 0x00000100: 980 if (adapter->hw.mac.type == e1000_ich8lan || 981 adapter->hw.mac.type == e1000_ich9lan) 982 continue; 983 break; 984 default: 985 break; 986 } 987 } 988 989 if (!shared_int) { 990 /* 991 * Disable the interrupt to be reported in 992 * the cause register and then force the same 993 * interrupt and see if one gets posted. If 994 * an interrupt was posted to the bus, the 995 * test failed. 996 */ 997 adapter->test_icr = 0; 998 ew32(IMC, mask); 999 ew32(ICS, mask); 1000 msleep(10); 1001 1002 if (adapter->test_icr & mask) { 1003 *data = 3; 1004 break; 1005 } 1006 } 1007 1008 /* 1009 * Enable the interrupt to be reported in 1010 * the cause register and then force the same 1011 * interrupt and see if one gets posted. If 1012 * an interrupt was not posted to the bus, the 1013 * test failed. 1014 */ 1015 adapter->test_icr = 0; 1016 ew32(IMS, mask); 1017 ew32(ICS, mask); 1018 msleep(10); 1019 1020 if (!(adapter->test_icr & mask)) { 1021 *data = 4; 1022 break; 1023 } 1024 1025 if (!shared_int) { 1026 /* 1027 * Disable the other interrupts to be reported in 1028 * the cause register and then force the other 1029 * interrupts and see if any get posted. If 1030 * an interrupt was posted to the bus, the 1031 * test failed. 1032 */ 1033 adapter->test_icr = 0; 1034 ew32(IMC, ~mask & 0x00007FFF); 1035 ew32(ICS, ~mask & 0x00007FFF); 1036 msleep(10); 1037 1038 if (adapter->test_icr) { 1039 *data = 5; 1040 break; 1041 } 1042 } 1043 } 1044 1045 /* Disable all the interrupts */ 1046 ew32(IMC, 0xFFFFFFFF); 1047 msleep(10); 1048 1049 /* Unhook test interrupt handler */ 1050 free_irq(irq, netdev); 1051 1052out: 1053 if (int_mode == E1000E_INT_MODE_MSIX) { 1054 e1000e_reset_interrupt_capability(adapter); 1055 adapter->int_mode = int_mode; 1056 e1000e_set_interrupt_capability(adapter); 1057 } 1058 1059 return ret_val; 1060} 1061 1062static void e1000_free_desc_rings(struct e1000_adapter *adapter) 1063{ 1064 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1065 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1066 struct pci_dev *pdev = adapter->pdev; 1067 int i; 1068 1069 if (tx_ring->desc && tx_ring->buffer_info) { 1070 for (i = 0; i < tx_ring->count; i++) { 1071 if (tx_ring->buffer_info[i].dma) 1072 pci_unmap_single(pdev, 1073 tx_ring->buffer_info[i].dma, 1074 tx_ring->buffer_info[i].length, 1075 PCI_DMA_TODEVICE); 1076 if (tx_ring->buffer_info[i].skb) 1077 dev_kfree_skb(tx_ring->buffer_info[i].skb); 1078 } 1079 } 1080 1081 if (rx_ring->desc && rx_ring->buffer_info) { 1082 for (i = 0; i < rx_ring->count; i++) { 1083 if (rx_ring->buffer_info[i].dma) 1084 pci_unmap_single(pdev, 1085 rx_ring->buffer_info[i].dma, 1086 2048, PCI_DMA_FROMDEVICE); 1087 if (rx_ring->buffer_info[i].skb) 1088 dev_kfree_skb(rx_ring->buffer_info[i].skb); 1089 } 1090 } 1091 1092 if (tx_ring->desc) { 1093 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, 1094 tx_ring->dma); 1095 tx_ring->desc = NULL; 1096 } 1097 if (rx_ring->desc) { 1098 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, 1099 rx_ring->dma); 1100 rx_ring->desc = NULL; 1101 } 1102 1103 kfree(tx_ring->buffer_info); 1104 tx_ring->buffer_info = NULL; 1105 kfree(rx_ring->buffer_info); 1106 rx_ring->buffer_info = NULL; 1107} 1108 1109static int e1000_setup_desc_rings(struct e1000_adapter *adapter) 1110{ 1111 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1112 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1113 struct pci_dev *pdev = adapter->pdev; 1114 struct e1000_hw *hw = &adapter->hw; 1115 u32 rctl; 1116 int i; 1117 int ret_val; 1118 1119 /* Setup Tx descriptor ring and Tx buffers */ 1120 1121 if (!tx_ring->count) 1122 tx_ring->count = E1000_DEFAULT_TXD; 1123 1124 tx_ring->buffer_info = kcalloc(tx_ring->count, 1125 sizeof(struct e1000_buffer), 1126 GFP_KERNEL); 1127 if (!(tx_ring->buffer_info)) { 1128 ret_val = 1; 1129 goto err_nomem; 1130 } 1131 1132 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); 1133 tx_ring->size = ALIGN(tx_ring->size, 4096); 1134 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, 1135 &tx_ring->dma, GFP_KERNEL); 1136 if (!tx_ring->desc) { 1137 ret_val = 2; 1138 goto err_nomem; 1139 } 1140 tx_ring->next_to_use = 0; 1141 tx_ring->next_to_clean = 0; 1142 1143 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); 1144 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); 1145 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); 1146 ew32(TDH, 0); 1147 ew32(TDT, 0); 1148 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | 1149 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | 1150 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); 1151 1152 for (i = 0; i < tx_ring->count; i++) { 1153 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); 1154 struct sk_buff *skb; 1155 unsigned int skb_size = 1024; 1156 1157 skb = alloc_skb(skb_size, GFP_KERNEL); 1158 if (!skb) { 1159 ret_val = 3; 1160 goto err_nomem; 1161 } 1162 skb_put(skb, skb_size); 1163 tx_ring->buffer_info[i].skb = skb; 1164 tx_ring->buffer_info[i].length = skb->len; 1165 tx_ring->buffer_info[i].dma = 1166 pci_map_single(pdev, skb->data, skb->len, 1167 PCI_DMA_TODEVICE); 1168 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) { 1169 ret_val = 4; 1170 goto err_nomem; 1171 } 1172 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); 1173 tx_desc->lower.data = cpu_to_le32(skb->len); 1174 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | 1175 E1000_TXD_CMD_IFCS | 1176 E1000_TXD_CMD_RS); 1177 tx_desc->upper.data = 0; 1178 } 1179 1180 /* Setup Rx descriptor ring and Rx buffers */ 1181 1182 if (!rx_ring->count) 1183 rx_ring->count = E1000_DEFAULT_RXD; 1184 1185 rx_ring->buffer_info = kcalloc(rx_ring->count, 1186 sizeof(struct e1000_buffer), 1187 GFP_KERNEL); 1188 if (!(rx_ring->buffer_info)) { 1189 ret_val = 5; 1190 goto err_nomem; 1191 } 1192 1193 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); 1194 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, 1195 &rx_ring->dma, GFP_KERNEL); 1196 if (!rx_ring->desc) { 1197 ret_val = 6; 1198 goto err_nomem; 1199 } 1200 rx_ring->next_to_use = 0; 1201 rx_ring->next_to_clean = 0; 1202 1203 rctl = er32(RCTL); 1204 ew32(RCTL, rctl & ~E1000_RCTL_EN); 1205 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); 1206 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); 1207 ew32(RDLEN, rx_ring->size); 1208 ew32(RDH, 0); 1209 ew32(RDT, 0); 1210 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | 1211 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | 1212 E1000_RCTL_SBP | E1000_RCTL_SECRC | 1213 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | 1214 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); 1215 ew32(RCTL, rctl); 1216 1217 for (i = 0; i < rx_ring->count; i++) { 1218 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); 1219 struct sk_buff *skb; 1220 1221 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); 1222 if (!skb) { 1223 ret_val = 7; 1224 goto err_nomem; 1225 } 1226 skb_reserve(skb, NET_IP_ALIGN); 1227 rx_ring->buffer_info[i].skb = skb; 1228 rx_ring->buffer_info[i].dma = 1229 pci_map_single(pdev, skb->data, 2048, 1230 PCI_DMA_FROMDEVICE); 1231 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) { 1232 ret_val = 8; 1233 goto err_nomem; 1234 } 1235 rx_desc->buffer_addr = 1236 cpu_to_le64(rx_ring->buffer_info[i].dma); 1237 memset(skb->data, 0x00, skb->len); 1238 } 1239 1240 return 0; 1241 1242err_nomem: 1243 e1000_free_desc_rings(adapter); 1244 return ret_val; 1245} 1246 1247static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) 1248{ 1249 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ 1250 e1e_wphy(&adapter->hw, 29, 0x001F); 1251 e1e_wphy(&adapter->hw, 30, 0x8FFC); 1252 e1e_wphy(&adapter->hw, 29, 0x001A); 1253 e1e_wphy(&adapter->hw, 30, 0x8FF0); 1254} 1255 1256static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) 1257{ 1258 struct e1000_hw *hw = &adapter->hw; 1259 u32 ctrl_reg = 0; 1260 u32 stat_reg = 0; 1261 u16 phy_reg = 0; 1262 1263 hw->mac.autoneg = 0; 1264 1265 /* Workaround: K1 must be disabled for stable 1Gbps operation */ 1266 if (hw->mac.type == e1000_pchlan) 1267 e1000_configure_k1_ich8lan(hw, false); 1268 1269 if (hw->phy.type == e1000_phy_m88) { 1270 /* Auto-MDI/MDIX Off */ 1271 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); 1272 /* reset to update Auto-MDI/MDIX */ 1273 e1e_wphy(hw, PHY_CONTROL, 0x9140); 1274 /* autoneg off */ 1275 e1e_wphy(hw, PHY_CONTROL, 0x8140); 1276 } else if (hw->phy.type == e1000_phy_gg82563) 1277 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); 1278 1279 ctrl_reg = er32(CTRL); 1280 1281 switch (hw->phy.type) { 1282 case e1000_phy_ife: 1283 /* force 100, set loopback */ 1284 e1e_wphy(hw, PHY_CONTROL, 0x6100); 1285 1286 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1287 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1288 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1289 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1290 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ 1291 E1000_CTRL_FD); /* Force Duplex to FULL */ 1292 break; 1293 case e1000_phy_bm: 1294 /* Set Default MAC Interface speed to 1GB */ 1295 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); 1296 phy_reg &= ~0x0007; 1297 phy_reg |= 0x006; 1298 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); 1299 /* Assert SW reset for above settings to take effect */ 1300 e1000e_commit_phy(hw); 1301 mdelay(1); 1302 /* Force Full Duplex */ 1303 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1304 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); 1305 /* Set Link Up (in force link) */ 1306 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); 1307 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); 1308 /* Force Link */ 1309 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); 1310 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); 1311 /* Set Early Link Enable */ 1312 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); 1313 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); 1314 /* fall through */ 1315 default: 1316 /* force 1000, set loopback */ 1317 e1e_wphy(hw, PHY_CONTROL, 0x4140); 1318 mdelay(250); 1319 1320 /* Now set up the MAC to the same speed/duplex as the PHY. */ 1321 ctrl_reg = er32(CTRL); 1322 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ 1323 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ 1324 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ 1325 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ 1326 E1000_CTRL_FD); /* Force Duplex to FULL */ 1327 1328 if (adapter->flags & FLAG_IS_ICH) 1329 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ 1330 } 1331 1332 if (hw->phy.media_type == e1000_media_type_copper && 1333 hw->phy.type == e1000_phy_m88) { 1334 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ 1335 } else { 1336 /* 1337 * Set the ILOS bit on the fiber Nic if half duplex link is 1338 * detected. 1339 */ 1340 stat_reg = er32(STATUS); 1341 if ((stat_reg & E1000_STATUS_FD) == 0) 1342 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); 1343 } 1344 1345 ew32(CTRL, ctrl_reg); 1346 1347 /* 1348 * Disable the receiver on the PHY so when a cable is plugged in, the 1349 * PHY does not begin to autoneg when a cable is reconnected to the NIC. 1350 */ 1351 if (hw->phy.type == e1000_phy_m88) 1352 e1000_phy_disable_receiver(adapter); 1353 1354 udelay(500); 1355 1356 return 0; 1357} 1358 1359static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) 1360{ 1361 struct e1000_hw *hw = &adapter->hw; 1362 u32 ctrl = er32(CTRL); 1363 int link = 0; 1364 1365 /* special requirements for 82571/82572 fiber adapters */ 1366 1367 /* 1368 * jump through hoops to make sure link is up because serdes 1369 * link is hardwired up 1370 */ 1371 ctrl |= E1000_CTRL_SLU; 1372 ew32(CTRL, ctrl); 1373 1374 /* disable autoneg */ 1375 ctrl = er32(TXCW); 1376 ctrl &= ~(1 << 31); 1377 ew32(TXCW, ctrl); 1378 1379 link = (er32(STATUS) & E1000_STATUS_LU); 1380 1381 if (!link) { 1382 /* set invert loss of signal */ 1383 ctrl = er32(CTRL); 1384 ctrl |= E1000_CTRL_ILOS; 1385 ew32(CTRL, ctrl); 1386 } 1387 1388 /* 1389 * special write to serdes control register to enable SerDes analog 1390 * loopback 1391 */ 1392#define E1000_SERDES_LB_ON 0x410 1393 ew32(SCTL, E1000_SERDES_LB_ON); 1394 msleep(10); 1395 1396 return 0; 1397} 1398 1399/* only call this for fiber/serdes connections to es2lan */ 1400static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) 1401{ 1402 struct e1000_hw *hw = &adapter->hw; 1403 u32 ctrlext = er32(CTRL_EXT); 1404 u32 ctrl = er32(CTRL); 1405 1406 /* 1407 * save CTRL_EXT to restore later, reuse an empty variable (unused 1408 * on mac_type 80003es2lan) 1409 */ 1410 adapter->tx_fifo_head = ctrlext; 1411 1412 /* clear the serdes mode bits, putting the device into mac loopback */ 1413 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; 1414 ew32(CTRL_EXT, ctrlext); 1415 1416 /* force speed to 1000/FD, link up */ 1417 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); 1418 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | 1419 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); 1420 ew32(CTRL, ctrl); 1421 1422 /* set mac loopback */ 1423 ctrl = er32(RCTL); 1424 ctrl |= E1000_RCTL_LBM_MAC; 1425 ew32(RCTL, ctrl); 1426 1427 /* set testing mode parameters (no need to reset later) */ 1428#define KMRNCTRLSTA_OPMODE (0x1F << 16) 1429#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 1430 ew32(KMRNCTRLSTA, 1431 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); 1432 1433 return 0; 1434} 1435 1436static int e1000_setup_loopback_test(struct e1000_adapter *adapter) 1437{ 1438 struct e1000_hw *hw = &adapter->hw; 1439 u32 rctl; 1440 1441 if (hw->phy.media_type == e1000_media_type_fiber || 1442 hw->phy.media_type == e1000_media_type_internal_serdes) { 1443 switch (hw->mac.type) { 1444 case e1000_80003es2lan: 1445 return e1000_set_es2lan_mac_loopback(adapter); 1446 break; 1447 case e1000_82571: 1448 case e1000_82572: 1449 return e1000_set_82571_fiber_loopback(adapter); 1450 break; 1451 default: 1452 rctl = er32(RCTL); 1453 rctl |= E1000_RCTL_LBM_TCVR; 1454 ew32(RCTL, rctl); 1455 return 0; 1456 } 1457 } else if (hw->phy.media_type == e1000_media_type_copper) { 1458 return e1000_integrated_phy_loopback(adapter); 1459 } 1460 1461 return 7; 1462} 1463 1464static void e1000_loopback_cleanup(struct e1000_adapter *adapter) 1465{ 1466 struct e1000_hw *hw = &adapter->hw; 1467 u32 rctl; 1468 u16 phy_reg; 1469 1470 rctl = er32(RCTL); 1471 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); 1472 ew32(RCTL, rctl); 1473 1474 switch (hw->mac.type) { 1475 case e1000_80003es2lan: 1476 if (hw->phy.media_type == e1000_media_type_fiber || 1477 hw->phy.media_type == e1000_media_type_internal_serdes) { 1478 /* restore CTRL_EXT, stealing space from tx_fifo_head */ 1479 ew32(CTRL_EXT, adapter->tx_fifo_head); 1480 adapter->tx_fifo_head = 0; 1481 } 1482 /* fall through */ 1483 case e1000_82571: 1484 case e1000_82572: 1485 if (hw->phy.media_type == e1000_media_type_fiber || 1486 hw->phy.media_type == e1000_media_type_internal_serdes) { 1487#define E1000_SERDES_LB_OFF 0x400 1488 ew32(SCTL, E1000_SERDES_LB_OFF); 1489 msleep(10); 1490 break; 1491 } 1492 /* Fall Through */ 1493 default: 1494 hw->mac.autoneg = 1; 1495 if (hw->phy.type == e1000_phy_gg82563) 1496 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); 1497 e1e_rphy(hw, PHY_CONTROL, &phy_reg); 1498 if (phy_reg & MII_CR_LOOPBACK) { 1499 phy_reg &= ~MII_CR_LOOPBACK; 1500 e1e_wphy(hw, PHY_CONTROL, phy_reg); 1501 e1000e_commit_phy(hw); 1502 } 1503 break; 1504 } 1505} 1506 1507static void e1000_create_lbtest_frame(struct sk_buff *skb, 1508 unsigned int frame_size) 1509{ 1510 memset(skb->data, 0xFF, frame_size); 1511 frame_size &= ~1; 1512 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 1513 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); 1514 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); 1515} 1516 1517static int e1000_check_lbtest_frame(struct sk_buff *skb, 1518 unsigned int frame_size) 1519{ 1520 frame_size &= ~1; 1521 if (*(skb->data + 3) == 0xFF) 1522 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 1523 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 1524 return 0; 1525 return 13; 1526} 1527 1528static int e1000_run_loopback_test(struct e1000_adapter *adapter) 1529{ 1530 struct e1000_ring *tx_ring = &adapter->test_tx_ring; 1531 struct e1000_ring *rx_ring = &adapter->test_rx_ring; 1532 struct pci_dev *pdev = adapter->pdev; 1533 struct e1000_hw *hw = &adapter->hw; 1534 int i, j, k, l; 1535 int lc; 1536 int good_cnt; 1537 int ret_val = 0; 1538 unsigned long time; 1539 1540 ew32(RDT, rx_ring->count - 1); 1541 1542 /* 1543 * Calculate the loop count based on the largest descriptor ring 1544 * The idea is to wrap the largest ring a number of times using 64 1545 * send/receive pairs during each loop 1546 */ 1547 1548 if (rx_ring->count <= tx_ring->count) 1549 lc = ((tx_ring->count / 64) * 2) + 1; 1550 else 1551 lc = ((rx_ring->count / 64) * 2) + 1; 1552 1553 k = 0; 1554 l = 0; 1555 for (j = 0; j <= lc; j++) { /* loop count loop */ 1556 for (i = 0; i < 64; i++) { /* send the packets */ 1557 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, 1558 1024); 1559 pci_dma_sync_single_for_device(pdev, 1560 tx_ring->buffer_info[k].dma, 1561 tx_ring->buffer_info[k].length, 1562 PCI_DMA_TODEVICE); 1563 k++; 1564 if (k == tx_ring->count) 1565 k = 0; 1566 } 1567 ew32(TDT, k); 1568 msleep(200); 1569 time = jiffies; /* set the start time for the receive */ 1570 good_cnt = 0; 1571 do { /* receive the sent packets */ 1572 pci_dma_sync_single_for_cpu(pdev, 1573 rx_ring->buffer_info[l].dma, 2048, 1574 PCI_DMA_FROMDEVICE); 1575 1576 ret_val = e1000_check_lbtest_frame( 1577 rx_ring->buffer_info[l].skb, 1024); 1578 if (!ret_val) 1579 good_cnt++; 1580 l++; 1581 if (l == rx_ring->count) 1582 l = 0; 1583 /* 1584 * time + 20 msecs (200 msecs on 2.4) is more than 1585 * enough time to complete the receives, if it's 1586 * exceeded, break and error off 1587 */ 1588 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); 1589 if (good_cnt != 64) { 1590 ret_val = 13; /* ret_val is the same as mis-compare */ 1591 break; 1592 } 1593 if (jiffies >= (time + 20)) { 1594 ret_val = 14; /* error code for time out error */ 1595 break; 1596 } 1597 } /* end loop count loop */ 1598 return ret_val; 1599} 1600 1601static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) 1602{ 1603 /* 1604 * PHY loopback cannot be performed if SoL/IDER 1605 * sessions are active 1606 */ 1607 if (e1000_check_reset_block(&adapter->hw)) { 1608 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); 1609 *data = 0; 1610 goto out; 1611 } 1612 1613 *data = e1000_setup_desc_rings(adapter); 1614 if (*data) 1615 goto out; 1616 1617 *data = e1000_setup_loopback_test(adapter); 1618 if (*data) 1619 goto err_loopback; 1620 1621 *data = e1000_run_loopback_test(adapter); 1622 e1000_loopback_cleanup(adapter); 1623 1624err_loopback: 1625 e1000_free_desc_rings(adapter); 1626out: 1627 return *data; 1628} 1629 1630static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) 1631{ 1632 struct e1000_hw *hw = &adapter->hw; 1633 1634 *data = 0; 1635 if (hw->phy.media_type == e1000_media_type_internal_serdes) { 1636 int i = 0; 1637 hw->mac.serdes_has_link = false; 1638 1639 /* 1640 * On some blade server designs, link establishment 1641 * could take as long as 2-3 minutes 1642 */ 1643 do { 1644 hw->mac.ops.check_for_link(hw); 1645 if (hw->mac.serdes_has_link) 1646 return *data; 1647 msleep(20); 1648 } while (i++ < 3750); 1649 1650 *data = 1; 1651 } else { 1652 hw->mac.ops.check_for_link(hw); 1653 if (hw->mac.autoneg) 1654 msleep(4000); 1655 1656 if (!(er32(STATUS) & 1657 E1000_STATUS_LU)) 1658 *data = 1; 1659 } 1660 return *data; 1661} 1662 1663static int e1000e_get_sset_count(struct net_device *netdev, int sset) 1664{ 1665 switch (sset) { 1666 case ETH_SS_TEST: 1667 return E1000_TEST_LEN; 1668 case ETH_SS_STATS: 1669 return E1000_STATS_LEN; 1670 default: 1671 return -EOPNOTSUPP; 1672 } 1673} 1674 1675static void e1000_diag_test(struct net_device *netdev, 1676 struct ethtool_test *eth_test, u64 *data) 1677{ 1678 struct e1000_adapter *adapter = netdev_priv(netdev); 1679 u16 autoneg_advertised; 1680 u8 forced_speed_duplex; 1681 u8 autoneg; 1682 bool if_running = netif_running(netdev); 1683 1684 set_bit(__E1000_TESTING, &adapter->state); 1685 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1686 /* Offline tests */ 1687 1688 /* save speed, duplex, autoneg settings */ 1689 autoneg_advertised = adapter->hw.phy.autoneg_advertised; 1690 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; 1691 autoneg = adapter->hw.mac.autoneg; 1692 1693 e_info("offline testing starting\n"); 1694 1695 /* 1696 * Link test performed before hardware reset so autoneg doesn't 1697 * interfere with test result 1698 */ 1699 if (e1000_link_test(adapter, &data[4])) 1700 eth_test->flags |= ETH_TEST_FL_FAILED; 1701 1702 if (if_running) 1703 /* indicate we're in test mode */ 1704 dev_close(netdev); 1705 else 1706 e1000e_reset(adapter); 1707 1708 if (e1000_reg_test(adapter, &data[0])) 1709 eth_test->flags |= ETH_TEST_FL_FAILED; 1710 1711 e1000e_reset(adapter); 1712 if (e1000_eeprom_test(adapter, &data[1])) 1713 eth_test->flags |= ETH_TEST_FL_FAILED; 1714 1715 e1000e_reset(adapter); 1716 if (e1000_intr_test(adapter, &data[2])) 1717 eth_test->flags |= ETH_TEST_FL_FAILED; 1718 1719 e1000e_reset(adapter); 1720 /* make sure the phy is powered up */ 1721 e1000e_power_up_phy(adapter); 1722 if (e1000_loopback_test(adapter, &data[3])) 1723 eth_test->flags |= ETH_TEST_FL_FAILED; 1724 1725 /* restore speed, duplex, autoneg settings */ 1726 adapter->hw.phy.autoneg_advertised = autoneg_advertised; 1727 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; 1728 adapter->hw.mac.autoneg = autoneg; 1729 1730 /* force this routine to wait until autoneg complete/timeout */ 1731 adapter->hw.phy.autoneg_wait_to_complete = 1; 1732 e1000e_reset(adapter); 1733 adapter->hw.phy.autoneg_wait_to_complete = 0; 1734 1735 clear_bit(__E1000_TESTING, &adapter->state); 1736 if (if_running) 1737 dev_open(netdev); 1738 } else { 1739 e_info("online testing starting\n"); 1740 /* Online tests */ 1741 if (e1000_link_test(adapter, &data[4])) 1742 eth_test->flags |= ETH_TEST_FL_FAILED; 1743 1744 /* Online tests aren't run; pass by default */ 1745 data[0] = 0; 1746 data[1] = 0; 1747 data[2] = 0; 1748 data[3] = 0; 1749 1750 clear_bit(__E1000_TESTING, &adapter->state); 1751 } 1752 msleep_interruptible(4 * 1000); 1753} 1754 1755static void e1000_get_wol(struct net_device *netdev, 1756 struct ethtool_wolinfo *wol) 1757{ 1758 struct e1000_adapter *adapter = netdev_priv(netdev); 1759 1760 wol->supported = 0; 1761 wol->wolopts = 0; 1762 1763 if (!(adapter->flags & FLAG_HAS_WOL) || 1764 !device_can_wakeup(&adapter->pdev->dev)) 1765 return; 1766 1767 wol->supported = WAKE_UCAST | WAKE_MCAST | 1768 WAKE_BCAST | WAKE_MAGIC | 1769 WAKE_PHY | WAKE_ARP; 1770 1771 /* apply any specific unsupported masks here */ 1772 if (adapter->flags & FLAG_NO_WAKE_UCAST) { 1773 wol->supported &= ~WAKE_UCAST; 1774 1775 if (adapter->wol & E1000_WUFC_EX) 1776 e_err("Interface does not support directed (unicast) " 1777 "frame wake-up packets\n"); 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 if (adapter->wol & E1000_WUFC_LNKC) 1789 wol->wolopts |= WAKE_PHY; 1790 if (adapter->wol & E1000_WUFC_ARP) 1791 wol->wolopts |= WAKE_ARP; 1792} 1793 1794static int e1000_set_wol(struct net_device *netdev, 1795 struct ethtool_wolinfo *wol) 1796{ 1797 struct e1000_adapter *adapter = netdev_priv(netdev); 1798 1799 if (!(adapter->flags & FLAG_HAS_WOL) || 1800 !device_can_wakeup(&adapter->pdev->dev) || 1801 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | 1802 WAKE_MAGIC | WAKE_PHY | WAKE_ARP))) 1803 return -EOPNOTSUPP; 1804 1805 /* these settings will always override what we currently have */ 1806 adapter->wol = 0; 1807 1808 if (wol->wolopts & WAKE_UCAST) 1809 adapter->wol |= E1000_WUFC_EX; 1810 if (wol->wolopts & WAKE_MCAST) 1811 adapter->wol |= E1000_WUFC_MC; 1812 if (wol->wolopts & WAKE_BCAST) 1813 adapter->wol |= E1000_WUFC_BC; 1814 if (wol->wolopts & WAKE_MAGIC) 1815 adapter->wol |= E1000_WUFC_MAG; 1816 if (wol->wolopts & WAKE_PHY) 1817 adapter->wol |= E1000_WUFC_LNKC; 1818 if (wol->wolopts & WAKE_ARP) 1819 adapter->wol |= E1000_WUFC_ARP; 1820 1821 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 1822 1823 return 0; 1824} 1825 1826/* toggle LED 4 times per second = 2 "blinks" per second */ 1827#define E1000_ID_INTERVAL (HZ/4) 1828 1829/* bit defines for adapter->led_status */ 1830#define E1000_LED_ON 0 1831 1832static void e1000e_led_blink_task(struct work_struct *work) 1833{ 1834 struct e1000_adapter *adapter = container_of(work, 1835 struct e1000_adapter, led_blink_task); 1836 1837 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) 1838 adapter->hw.mac.ops.led_off(&adapter->hw); 1839 else 1840 adapter->hw.mac.ops.led_on(&adapter->hw); 1841} 1842 1843static void e1000_led_blink_callback(unsigned long data) 1844{ 1845 struct e1000_adapter *adapter = (struct e1000_adapter *) data; 1846 1847 schedule_work(&adapter->led_blink_task); 1848 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); 1849} 1850 1851static int e1000_phys_id(struct net_device *netdev, u32 data) 1852{ 1853 struct e1000_adapter *adapter = netdev_priv(netdev); 1854 struct e1000_hw *hw = &adapter->hw; 1855 1856 if (!data) 1857 data = INT_MAX; 1858 1859 if ((hw->phy.type == e1000_phy_ife) || 1860 (hw->mac.type == e1000_pchlan) || 1861 (hw->mac.type == e1000_82583) || 1862 (hw->mac.type == e1000_82574)) { 1863 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); 1864 if (!adapter->blink_timer.function) { 1865 init_timer(&adapter->blink_timer); 1866 adapter->blink_timer.function = 1867 e1000_led_blink_callback; 1868 adapter->blink_timer.data = (unsigned long) adapter; 1869 } 1870 mod_timer(&adapter->blink_timer, jiffies); 1871 msleep_interruptible(data * 1000); 1872 del_timer_sync(&adapter->blink_timer); 1873 if (hw->phy.type == e1000_phy_ife) 1874 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); 1875 } else { 1876 e1000e_blink_led(hw); 1877 msleep_interruptible(data * 1000); 1878 } 1879 1880 hw->mac.ops.led_off(hw); 1881 clear_bit(E1000_LED_ON, &adapter->led_status); 1882 hw->mac.ops.cleanup_led(hw); 1883 1884 return 0; 1885} 1886 1887static int e1000_get_coalesce(struct net_device *netdev, 1888 struct ethtool_coalesce *ec) 1889{ 1890 struct e1000_adapter *adapter = netdev_priv(netdev); 1891 1892 if (adapter->itr_setting <= 3) 1893 ec->rx_coalesce_usecs = adapter->itr_setting; 1894 else 1895 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1896 1897 return 0; 1898} 1899 1900static int e1000_set_coalesce(struct net_device *netdev, 1901 struct ethtool_coalesce *ec) 1902{ 1903 struct e1000_adapter *adapter = netdev_priv(netdev); 1904 struct e1000_hw *hw = &adapter->hw; 1905 1906 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 1907 ((ec->rx_coalesce_usecs > 3) && 1908 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 1909 (ec->rx_coalesce_usecs == 2)) 1910 return -EINVAL; 1911 1912 if (ec->rx_coalesce_usecs <= 3) { 1913 adapter->itr = 20000; 1914 adapter->itr_setting = ec->rx_coalesce_usecs; 1915 } else { 1916 adapter->itr = (1000000 / ec->rx_coalesce_usecs); 1917 adapter->itr_setting = adapter->itr & ~3; 1918 } 1919 1920 if (adapter->itr_setting != 0) 1921 ew32(ITR, 1000000000 / (adapter->itr * 256)); 1922 else 1923 ew32(ITR, 0); 1924 1925 return 0; 1926} 1927 1928static int e1000_nway_reset(struct net_device *netdev) 1929{ 1930 struct e1000_adapter *adapter = netdev_priv(netdev); 1931 if (netif_running(netdev)) 1932 e1000e_reinit_locked(adapter); 1933 return 0; 1934} 1935 1936static void e1000_get_ethtool_stats(struct net_device *netdev, 1937 struct ethtool_stats *stats, 1938 u64 *data) 1939{ 1940 struct e1000_adapter *adapter = netdev_priv(netdev); 1941 int i; 1942 char *p = NULL; 1943 1944 e1000e_update_stats(adapter); 1945 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1946 switch (e1000_gstrings_stats[i].type) { 1947 case NETDEV_STATS: 1948 p = (char *) netdev + 1949 e1000_gstrings_stats[i].stat_offset; 1950 break; 1951 case E1000_STATS: 1952 p = (char *) adapter + 1953 e1000_gstrings_stats[i].stat_offset; 1954 break; 1955 } 1956 1957 data[i] = (e1000_gstrings_stats[i].sizeof_stat == 1958 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1959 } 1960} 1961 1962static void e1000_get_strings(struct net_device *netdev, u32 stringset, 1963 u8 *data) 1964{ 1965 u8 *p = data; 1966 int i; 1967 1968 switch (stringset) { 1969 case ETH_SS_TEST: 1970 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); 1971 break; 1972 case ETH_SS_STATS: 1973 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { 1974 memcpy(p, e1000_gstrings_stats[i].stat_string, 1975 ETH_GSTRING_LEN); 1976 p += ETH_GSTRING_LEN; 1977 } 1978 break; 1979 } 1980} 1981 1982static const struct ethtool_ops e1000_ethtool_ops = { 1983 .get_settings = e1000_get_settings, 1984 .set_settings = e1000_set_settings, 1985 .get_drvinfo = e1000_get_drvinfo, 1986 .get_regs_len = e1000_get_regs_len, 1987 .get_regs = e1000_get_regs, 1988 .get_wol = e1000_get_wol, 1989 .set_wol = e1000_set_wol, 1990 .get_msglevel = e1000_get_msglevel, 1991 .set_msglevel = e1000_set_msglevel, 1992 .nway_reset = e1000_nway_reset, 1993 .get_link = e1000_get_link, 1994 .get_eeprom_len = e1000_get_eeprom_len, 1995 .get_eeprom = e1000_get_eeprom, 1996 .set_eeprom = e1000_set_eeprom, 1997 .get_ringparam = e1000_get_ringparam, 1998 .set_ringparam = e1000_set_ringparam, 1999 .get_pauseparam = e1000_get_pauseparam, 2000 .set_pauseparam = e1000_set_pauseparam, 2001 .get_rx_csum = e1000_get_rx_csum, 2002 .set_rx_csum = e1000_set_rx_csum, 2003 .get_tx_csum = e1000_get_tx_csum, 2004 .set_tx_csum = e1000_set_tx_csum, 2005 .get_sg = ethtool_op_get_sg, 2006 .set_sg = ethtool_op_set_sg, 2007 .get_tso = ethtool_op_get_tso, 2008 .set_tso = e1000_set_tso, 2009 .self_test = e1000_diag_test, 2010 .get_strings = e1000_get_strings, 2011 .phys_id = e1000_phys_id, 2012 .get_ethtool_stats = e1000_get_ethtool_stats, 2013 .get_sset_count = e1000e_get_sset_count, 2014 .get_coalesce = e1000_get_coalesce, 2015 .set_coalesce = e1000_set_coalesce, 2016 .get_flags = ethtool_op_get_flags, 2017 .set_flags = ethtool_op_set_flags, 2018}; 2019 2020void e1000e_set_ethtool_ops(struct net_device *netdev) 2021{ 2022 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); 2023}