1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018 Intel Corporation */ 3 4 /* ethtool support for igc */ 5 #include <linux/if_vlan.h> 6 #include <linux/pm_runtime.h> 7 8 #include "igc.h" 9 #include "igc_diag.h" 10 11 /* forward declaration */ 12 struct igc_stats { 13 char stat_string[ETH_GSTRING_LEN]; 14 int sizeof_stat; 15 int stat_offset; 16 }; 17 18 #define IGC_STAT(_name, _stat) { \ 19 .stat_string = _name, \ 20 .sizeof_stat = sizeof_field(struct igc_adapter, _stat), \ 21 .stat_offset = offsetof(struct igc_adapter, _stat) \ 22 } 23 24 static const struct igc_stats igc_gstrings_stats[] = { 25 IGC_STAT("rx_packets", stats.gprc), 26 IGC_STAT("tx_packets", stats.gptc), 27 IGC_STAT("rx_bytes", stats.gorc), 28 IGC_STAT("tx_bytes", stats.gotc), 29 IGC_STAT("rx_broadcast", stats.bprc), 30 IGC_STAT("tx_broadcast", stats.bptc), 31 IGC_STAT("rx_multicast", stats.mprc), 32 IGC_STAT("tx_multicast", stats.mptc), 33 IGC_STAT("multicast", stats.mprc), 34 IGC_STAT("collisions", stats.colc), 35 IGC_STAT("rx_crc_errors", stats.crcerrs), 36 IGC_STAT("rx_no_buffer_count", stats.rnbc), 37 IGC_STAT("rx_missed_errors", stats.mpc), 38 IGC_STAT("tx_aborted_errors", stats.ecol), 39 IGC_STAT("tx_carrier_errors", stats.tncrs), 40 IGC_STAT("tx_window_errors", stats.latecol), 41 IGC_STAT("tx_abort_late_coll", stats.latecol), 42 IGC_STAT("tx_deferred_ok", stats.dc), 43 IGC_STAT("tx_single_coll_ok", stats.scc), 44 IGC_STAT("tx_multi_coll_ok", stats.mcc), 45 IGC_STAT("tx_timeout_count", tx_timeout_count), 46 IGC_STAT("rx_long_length_errors", stats.roc), 47 IGC_STAT("rx_short_length_errors", stats.ruc), 48 IGC_STAT("rx_align_errors", stats.algnerrc), 49 IGC_STAT("tx_tcp_seg_good", stats.tsctc), 50 IGC_STAT("tx_tcp_seg_failed", stats.tsctfc), 51 IGC_STAT("rx_flow_control_xon", stats.xonrxc), 52 IGC_STAT("rx_flow_control_xoff", stats.xoffrxc), 53 IGC_STAT("tx_flow_control_xon", stats.xontxc), 54 IGC_STAT("tx_flow_control_xoff", stats.xofftxc), 55 IGC_STAT("rx_long_byte_count", stats.gorc), 56 IGC_STAT("tx_dma_out_of_sync", stats.doosync), 57 IGC_STAT("tx_smbus", stats.mgptc), 58 IGC_STAT("rx_smbus", stats.mgprc), 59 IGC_STAT("dropped_smbus", stats.mgpdc), 60 IGC_STAT("os2bmc_rx_by_bmc", stats.o2bgptc), 61 IGC_STAT("os2bmc_tx_by_bmc", stats.b2ospc), 62 IGC_STAT("os2bmc_tx_by_host", stats.o2bspc), 63 IGC_STAT("os2bmc_rx_by_host", stats.b2ogprc), 64 IGC_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts), 65 IGC_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped), 66 IGC_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 67 }; 68 69 #define IGC_NETDEV_STAT(_net_stat) { \ 70 .stat_string = __stringify(_net_stat), \ 71 .sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \ 72 .stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \ 73 } 74 75 static const struct igc_stats igc_gstrings_net_stats[] = { 76 IGC_NETDEV_STAT(rx_errors), 77 IGC_NETDEV_STAT(tx_errors), 78 IGC_NETDEV_STAT(tx_dropped), 79 IGC_NETDEV_STAT(rx_length_errors), 80 IGC_NETDEV_STAT(rx_over_errors), 81 IGC_NETDEV_STAT(rx_frame_errors), 82 IGC_NETDEV_STAT(rx_fifo_errors), 83 IGC_NETDEV_STAT(tx_fifo_errors), 84 IGC_NETDEV_STAT(tx_heartbeat_errors) 85 }; 86 87 enum igc_diagnostics_results { 88 TEST_REG = 0, 89 TEST_EEP, 90 TEST_IRQ, 91 TEST_LOOP, 92 TEST_LINK 93 }; 94 95 static const char igc_gstrings_test[][ETH_GSTRING_LEN] = { 96 [TEST_REG] = "Register test (offline)", 97 [TEST_EEP] = "Eeprom test (offline)", 98 [TEST_IRQ] = "Interrupt test (offline)", 99 [TEST_LOOP] = "Loopback test (offline)", 100 [TEST_LINK] = "Link test (on/offline)" 101 }; 102 103 #define IGC_TEST_LEN (sizeof(igc_gstrings_test) / ETH_GSTRING_LEN) 104 105 #define IGC_GLOBAL_STATS_LEN \ 106 (sizeof(igc_gstrings_stats) / sizeof(struct igc_stats)) 107 #define IGC_NETDEV_STATS_LEN \ 108 (sizeof(igc_gstrings_net_stats) / sizeof(struct igc_stats)) 109 #define IGC_RX_QUEUE_STATS_LEN \ 110 (sizeof(struct igc_rx_queue_stats) / sizeof(u64)) 111 #define IGC_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */ 112 #define IGC_QUEUE_STATS_LEN \ 113 ((((struct igc_adapter *)netdev_priv(netdev))->num_rx_queues * \ 114 IGC_RX_QUEUE_STATS_LEN) + \ 115 (((struct igc_adapter *)netdev_priv(netdev))->num_tx_queues * \ 116 IGC_TX_QUEUE_STATS_LEN)) 117 #define IGC_STATS_LEN \ 118 (IGC_GLOBAL_STATS_LEN + IGC_NETDEV_STATS_LEN + IGC_QUEUE_STATS_LEN) 119 120 static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = { 121 #define IGC_PRIV_FLAGS_LEGACY_RX BIT(0) 122 "legacy-rx", 123 }; 124 125 #define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings) 126 127 static void igc_ethtool_get_drvinfo(struct net_device *netdev, 128 struct ethtool_drvinfo *drvinfo) 129 { 130 struct igc_adapter *adapter = netdev_priv(netdev); 131 132 strlcpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver)); 133 strlcpy(drvinfo->version, igc_driver_version, sizeof(drvinfo->version)); 134 135 /* add fw_version here */ 136 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 137 sizeof(drvinfo->bus_info)); 138 139 drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN; 140 } 141 142 static int igc_ethtool_get_regs_len(struct net_device *netdev) 143 { 144 return IGC_REGS_LEN * sizeof(u32); 145 } 146 147 static void igc_ethtool_get_regs(struct net_device *netdev, 148 struct ethtool_regs *regs, void *p) 149 { 150 struct igc_adapter *adapter = netdev_priv(netdev); 151 struct igc_hw *hw = &adapter->hw; 152 u32 *regs_buff = p; 153 u8 i; 154 155 memset(p, 0, IGC_REGS_LEN * sizeof(u32)); 156 157 regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id; 158 159 /* General Registers */ 160 regs_buff[0] = rd32(IGC_CTRL); 161 regs_buff[1] = rd32(IGC_STATUS); 162 regs_buff[2] = rd32(IGC_CTRL_EXT); 163 regs_buff[3] = rd32(IGC_MDIC); 164 regs_buff[4] = rd32(IGC_CONNSW); 165 166 /* NVM Register */ 167 regs_buff[5] = rd32(IGC_EECD); 168 169 /* Interrupt */ 170 /* Reading EICS for EICR because they read the 171 * same but EICS does not clear on read 172 */ 173 regs_buff[6] = rd32(IGC_EICS); 174 regs_buff[7] = rd32(IGC_EICS); 175 regs_buff[8] = rd32(IGC_EIMS); 176 regs_buff[9] = rd32(IGC_EIMC); 177 regs_buff[10] = rd32(IGC_EIAC); 178 regs_buff[11] = rd32(IGC_EIAM); 179 /* Reading ICS for ICR because they read the 180 * same but ICS does not clear on read 181 */ 182 regs_buff[12] = rd32(IGC_ICS); 183 regs_buff[13] = rd32(IGC_ICS); 184 regs_buff[14] = rd32(IGC_IMS); 185 regs_buff[15] = rd32(IGC_IMC); 186 regs_buff[16] = rd32(IGC_IAC); 187 regs_buff[17] = rd32(IGC_IAM); 188 189 /* Flow Control */ 190 regs_buff[18] = rd32(IGC_FCAL); 191 regs_buff[19] = rd32(IGC_FCAH); 192 regs_buff[20] = rd32(IGC_FCTTV); 193 regs_buff[21] = rd32(IGC_FCRTL); 194 regs_buff[22] = rd32(IGC_FCRTH); 195 regs_buff[23] = rd32(IGC_FCRTV); 196 197 /* Receive */ 198 regs_buff[24] = rd32(IGC_RCTL); 199 regs_buff[25] = rd32(IGC_RXCSUM); 200 regs_buff[26] = rd32(IGC_RLPML); 201 regs_buff[27] = rd32(IGC_RFCTL); 202 203 /* Transmit */ 204 regs_buff[28] = rd32(IGC_TCTL); 205 regs_buff[29] = rd32(IGC_TIPG); 206 207 /* Wake Up */ 208 209 /* MAC */ 210 211 /* Statistics */ 212 regs_buff[30] = adapter->stats.crcerrs; 213 regs_buff[31] = adapter->stats.algnerrc; 214 regs_buff[32] = adapter->stats.symerrs; 215 regs_buff[33] = adapter->stats.rxerrc; 216 regs_buff[34] = adapter->stats.mpc; 217 regs_buff[35] = adapter->stats.scc; 218 regs_buff[36] = adapter->stats.ecol; 219 regs_buff[37] = adapter->stats.mcc; 220 regs_buff[38] = adapter->stats.latecol; 221 regs_buff[39] = adapter->stats.colc; 222 regs_buff[40] = adapter->stats.dc; 223 regs_buff[41] = adapter->stats.tncrs; 224 regs_buff[42] = adapter->stats.sec; 225 regs_buff[43] = adapter->stats.htdpmc; 226 regs_buff[44] = adapter->stats.rlec; 227 regs_buff[45] = adapter->stats.xonrxc; 228 regs_buff[46] = adapter->stats.xontxc; 229 regs_buff[47] = adapter->stats.xoffrxc; 230 regs_buff[48] = adapter->stats.xofftxc; 231 regs_buff[49] = adapter->stats.fcruc; 232 regs_buff[50] = adapter->stats.prc64; 233 regs_buff[51] = adapter->stats.prc127; 234 regs_buff[52] = adapter->stats.prc255; 235 regs_buff[53] = adapter->stats.prc511; 236 regs_buff[54] = adapter->stats.prc1023; 237 regs_buff[55] = adapter->stats.prc1522; 238 regs_buff[56] = adapter->stats.gprc; 239 regs_buff[57] = adapter->stats.bprc; 240 regs_buff[58] = adapter->stats.mprc; 241 regs_buff[59] = adapter->stats.gptc; 242 regs_buff[60] = adapter->stats.gorc; 243 regs_buff[61] = adapter->stats.gotc; 244 regs_buff[62] = adapter->stats.rnbc; 245 regs_buff[63] = adapter->stats.ruc; 246 regs_buff[64] = adapter->stats.rfc; 247 regs_buff[65] = adapter->stats.roc; 248 regs_buff[66] = adapter->stats.rjc; 249 regs_buff[67] = adapter->stats.mgprc; 250 regs_buff[68] = adapter->stats.mgpdc; 251 regs_buff[69] = adapter->stats.mgptc; 252 regs_buff[70] = adapter->stats.tor; 253 regs_buff[71] = adapter->stats.tot; 254 regs_buff[72] = adapter->stats.tpr; 255 regs_buff[73] = adapter->stats.tpt; 256 regs_buff[74] = adapter->stats.ptc64; 257 regs_buff[75] = adapter->stats.ptc127; 258 regs_buff[76] = adapter->stats.ptc255; 259 regs_buff[77] = adapter->stats.ptc511; 260 regs_buff[78] = adapter->stats.ptc1023; 261 regs_buff[79] = adapter->stats.ptc1522; 262 regs_buff[80] = adapter->stats.mptc; 263 regs_buff[81] = adapter->stats.bptc; 264 regs_buff[82] = adapter->stats.tsctc; 265 regs_buff[83] = adapter->stats.iac; 266 regs_buff[84] = adapter->stats.rpthc; 267 regs_buff[85] = adapter->stats.hgptc; 268 regs_buff[86] = adapter->stats.hgorc; 269 regs_buff[87] = adapter->stats.hgotc; 270 regs_buff[88] = adapter->stats.lenerrs; 271 regs_buff[89] = adapter->stats.scvpc; 272 regs_buff[90] = adapter->stats.hrmpc; 273 274 for (i = 0; i < 4; i++) 275 regs_buff[91 + i] = rd32(IGC_SRRCTL(i)); 276 for (i = 0; i < 4; i++) 277 regs_buff[95 + i] = rd32(IGC_PSRTYPE(i)); 278 for (i = 0; i < 4; i++) 279 regs_buff[99 + i] = rd32(IGC_RDBAL(i)); 280 for (i = 0; i < 4; i++) 281 regs_buff[103 + i] = rd32(IGC_RDBAH(i)); 282 for (i = 0; i < 4; i++) 283 regs_buff[107 + i] = rd32(IGC_RDLEN(i)); 284 for (i = 0; i < 4; i++) 285 regs_buff[111 + i] = rd32(IGC_RDH(i)); 286 for (i = 0; i < 4; i++) 287 regs_buff[115 + i] = rd32(IGC_RDT(i)); 288 for (i = 0; i < 4; i++) 289 regs_buff[119 + i] = rd32(IGC_RXDCTL(i)); 290 291 for (i = 0; i < 10; i++) 292 regs_buff[123 + i] = rd32(IGC_EITR(i)); 293 for (i = 0; i < 16; i++) 294 regs_buff[139 + i] = rd32(IGC_RAL(i)); 295 for (i = 0; i < 16; i++) 296 regs_buff[145 + i] = rd32(IGC_RAH(i)); 297 298 for (i = 0; i < 4; i++) 299 regs_buff[149 + i] = rd32(IGC_TDBAL(i)); 300 for (i = 0; i < 4; i++) 301 regs_buff[152 + i] = rd32(IGC_TDBAH(i)); 302 for (i = 0; i < 4; i++) 303 regs_buff[156 + i] = rd32(IGC_TDLEN(i)); 304 for (i = 0; i < 4; i++) 305 regs_buff[160 + i] = rd32(IGC_TDH(i)); 306 for (i = 0; i < 4; i++) 307 regs_buff[164 + i] = rd32(IGC_TDT(i)); 308 for (i = 0; i < 4; i++) 309 regs_buff[168 + i] = rd32(IGC_TXDCTL(i)); 310 311 /* XXX: Due to a bug few lines above, RAL and RAH registers are 312 * overwritten. To preserve the ABI, we write these registers again in 313 * regs_buff. 314 */ 315 for (i = 0; i < 16; i++) 316 regs_buff[172 + i] = rd32(IGC_RAL(i)); 317 for (i = 0; i < 16; i++) 318 regs_buff[188 + i] = rd32(IGC_RAH(i)); 319 320 regs_buff[204] = rd32(IGC_VLANPQF); 321 322 for (i = 0; i < 8; i++) 323 regs_buff[205 + i] = rd32(IGC_ETQF(i)); 324 } 325 326 static void igc_ethtool_get_wol(struct net_device *netdev, 327 struct ethtool_wolinfo *wol) 328 { 329 struct igc_adapter *adapter = netdev_priv(netdev); 330 331 wol->wolopts = 0; 332 333 if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED)) 334 return; 335 336 wol->supported = WAKE_UCAST | WAKE_MCAST | 337 WAKE_BCAST | WAKE_MAGIC | 338 WAKE_PHY; 339 340 /* apply any specific unsupported masks here */ 341 switch (adapter->hw.device_id) { 342 default: 343 break; 344 } 345 346 if (adapter->wol & IGC_WUFC_EX) 347 wol->wolopts |= WAKE_UCAST; 348 if (adapter->wol & IGC_WUFC_MC) 349 wol->wolopts |= WAKE_MCAST; 350 if (adapter->wol & IGC_WUFC_BC) 351 wol->wolopts |= WAKE_BCAST; 352 if (adapter->wol & IGC_WUFC_MAG) 353 wol->wolopts |= WAKE_MAGIC; 354 if (adapter->wol & IGC_WUFC_LNKC) 355 wol->wolopts |= WAKE_PHY; 356 } 357 358 static int igc_ethtool_set_wol(struct net_device *netdev, 359 struct ethtool_wolinfo *wol) 360 { 361 struct igc_adapter *adapter = netdev_priv(netdev); 362 363 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER)) 364 return -EOPNOTSUPP; 365 366 if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED)) 367 return wol->wolopts ? -EOPNOTSUPP : 0; 368 369 /* these settings will always override what we currently have */ 370 adapter->wol = 0; 371 372 if (wol->wolopts & WAKE_UCAST) 373 adapter->wol |= IGC_WUFC_EX; 374 if (wol->wolopts & WAKE_MCAST) 375 adapter->wol |= IGC_WUFC_MC; 376 if (wol->wolopts & WAKE_BCAST) 377 adapter->wol |= IGC_WUFC_BC; 378 if (wol->wolopts & WAKE_MAGIC) 379 adapter->wol |= IGC_WUFC_MAG; 380 if (wol->wolopts & WAKE_PHY) 381 adapter->wol |= IGC_WUFC_LNKC; 382 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 383 384 return 0; 385 } 386 387 static u32 igc_ethtool_get_msglevel(struct net_device *netdev) 388 { 389 struct igc_adapter *adapter = netdev_priv(netdev); 390 391 return adapter->msg_enable; 392 } 393 394 static void igc_ethtool_set_msglevel(struct net_device *netdev, u32 data) 395 { 396 struct igc_adapter *adapter = netdev_priv(netdev); 397 398 adapter->msg_enable = data; 399 } 400 401 static int igc_ethtool_nway_reset(struct net_device *netdev) 402 { 403 struct igc_adapter *adapter = netdev_priv(netdev); 404 405 if (netif_running(netdev)) 406 igc_reinit_locked(adapter); 407 return 0; 408 } 409 410 static u32 igc_ethtool_get_link(struct net_device *netdev) 411 { 412 struct igc_adapter *adapter = netdev_priv(netdev); 413 struct igc_mac_info *mac = &adapter->hw.mac; 414 415 /* If the link is not reported up to netdev, interrupts are disabled, 416 * and so the physical link state may have changed since we last 417 * looked. Set get_link_status to make sure that the true link 418 * state is interrogated, rather than pulling a cached and possibly 419 * stale link state from the driver. 420 */ 421 if (!netif_carrier_ok(netdev)) 422 mac->get_link_status = 1; 423 424 return igc_has_link(adapter); 425 } 426 427 static int igc_ethtool_get_eeprom_len(struct net_device *netdev) 428 { 429 struct igc_adapter *adapter = netdev_priv(netdev); 430 431 return adapter->hw.nvm.word_size * 2; 432 } 433 434 static int igc_ethtool_get_eeprom(struct net_device *netdev, 435 struct ethtool_eeprom *eeprom, u8 *bytes) 436 { 437 struct igc_adapter *adapter = netdev_priv(netdev); 438 struct igc_hw *hw = &adapter->hw; 439 int first_word, last_word; 440 u16 *eeprom_buff; 441 int ret_val = 0; 442 u16 i; 443 444 if (eeprom->len == 0) 445 return -EINVAL; 446 447 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 448 449 first_word = eeprom->offset >> 1; 450 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 451 452 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), 453 GFP_KERNEL); 454 if (!eeprom_buff) 455 return -ENOMEM; 456 457 if (hw->nvm.type == igc_nvm_eeprom_spi) { 458 ret_val = hw->nvm.ops.read(hw, first_word, 459 last_word - first_word + 1, 460 eeprom_buff); 461 } else { 462 for (i = 0; i < last_word - first_word + 1; i++) { 463 ret_val = hw->nvm.ops.read(hw, first_word + i, 1, 464 &eeprom_buff[i]); 465 if (ret_val) 466 break; 467 } 468 } 469 470 /* Device's eeprom is always little-endian, word addressable */ 471 for (i = 0; i < last_word - first_word + 1; i++) 472 le16_to_cpus(&eeprom_buff[i]); 473 474 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), 475 eeprom->len); 476 kfree(eeprom_buff); 477 478 return ret_val; 479 } 480 481 static int igc_ethtool_set_eeprom(struct net_device *netdev, 482 struct ethtool_eeprom *eeprom, u8 *bytes) 483 { 484 struct igc_adapter *adapter = netdev_priv(netdev); 485 struct igc_hw *hw = &adapter->hw; 486 int max_len, first_word, last_word, ret_val = 0; 487 u16 *eeprom_buff; 488 void *ptr; 489 u16 i; 490 491 if (eeprom->len == 0) 492 return -EOPNOTSUPP; 493 494 if (hw->mac.type >= igc_i225 && 495 !igc_get_flash_presence_i225(hw)) { 496 return -EOPNOTSUPP; 497 } 498 499 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) 500 return -EFAULT; 501 502 max_len = hw->nvm.word_size * 2; 503 504 first_word = eeprom->offset >> 1; 505 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 506 eeprom_buff = kmalloc(max_len, GFP_KERNEL); 507 if (!eeprom_buff) 508 return -ENOMEM; 509 510 ptr = (void *)eeprom_buff; 511 512 if (eeprom->offset & 1) { 513 /* need read/modify/write of first changed EEPROM word 514 * only the second byte of the word is being modified 515 */ 516 ret_val = hw->nvm.ops.read(hw, first_word, 1, 517 &eeprom_buff[0]); 518 ptr++; 519 } 520 if (((eeprom->offset + eeprom->len) & 1) && ret_val == 0) { 521 /* need read/modify/write of last changed EEPROM word 522 * only the first byte of the word is being modified 523 */ 524 ret_val = hw->nvm.ops.read(hw, last_word, 1, 525 &eeprom_buff[last_word - first_word]); 526 } 527 528 /* Device's eeprom is always little-endian, word addressable */ 529 for (i = 0; i < last_word - first_word + 1; i++) 530 le16_to_cpus(&eeprom_buff[i]); 531 532 memcpy(ptr, bytes, eeprom->len); 533 534 for (i = 0; i < last_word - first_word + 1; i++) 535 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); 536 537 ret_val = hw->nvm.ops.write(hw, first_word, 538 last_word - first_word + 1, eeprom_buff); 539 540 /* Update the checksum if nvm write succeeded */ 541 if (ret_val == 0) 542 hw->nvm.ops.update(hw); 543 544 /* check if need: igc_set_fw_version(adapter); */ 545 kfree(eeprom_buff); 546 return ret_val; 547 } 548 549 static void igc_ethtool_get_ringparam(struct net_device *netdev, 550 struct ethtool_ringparam *ring) 551 { 552 struct igc_adapter *adapter = netdev_priv(netdev); 553 554 ring->rx_max_pending = IGC_MAX_RXD; 555 ring->tx_max_pending = IGC_MAX_TXD; 556 ring->rx_pending = adapter->rx_ring_count; 557 ring->tx_pending = adapter->tx_ring_count; 558 } 559 560 static int igc_ethtool_set_ringparam(struct net_device *netdev, 561 struct ethtool_ringparam *ring) 562 { 563 struct igc_adapter *adapter = netdev_priv(netdev); 564 struct igc_ring *temp_ring; 565 u16 new_rx_count, new_tx_count; 566 int i, err = 0; 567 568 if (ring->rx_mini_pending || ring->rx_jumbo_pending) 569 return -EINVAL; 570 571 new_rx_count = min_t(u32, ring->rx_pending, IGC_MAX_RXD); 572 new_rx_count = max_t(u16, new_rx_count, IGC_MIN_RXD); 573 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); 574 575 new_tx_count = min_t(u32, ring->tx_pending, IGC_MAX_TXD); 576 new_tx_count = max_t(u16, new_tx_count, IGC_MIN_TXD); 577 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); 578 579 if (new_tx_count == adapter->tx_ring_count && 580 new_rx_count == adapter->rx_ring_count) { 581 /* nothing to do */ 582 return 0; 583 } 584 585 while (test_and_set_bit(__IGC_RESETTING, &adapter->state)) 586 usleep_range(1000, 2000); 587 588 if (!netif_running(adapter->netdev)) { 589 for (i = 0; i < adapter->num_tx_queues; i++) 590 adapter->tx_ring[i]->count = new_tx_count; 591 for (i = 0; i < adapter->num_rx_queues; i++) 592 adapter->rx_ring[i]->count = new_rx_count; 593 adapter->tx_ring_count = new_tx_count; 594 adapter->rx_ring_count = new_rx_count; 595 goto clear_reset; 596 } 597 598 if (adapter->num_tx_queues > adapter->num_rx_queues) 599 temp_ring = vmalloc(array_size(sizeof(struct igc_ring), 600 adapter->num_tx_queues)); 601 else 602 temp_ring = vmalloc(array_size(sizeof(struct igc_ring), 603 adapter->num_rx_queues)); 604 605 if (!temp_ring) { 606 err = -ENOMEM; 607 goto clear_reset; 608 } 609 610 igc_down(adapter); 611 612 /* We can't just free everything and then setup again, 613 * because the ISRs in MSI-X mode get passed pointers 614 * to the Tx and Rx ring structs. 615 */ 616 if (new_tx_count != adapter->tx_ring_count) { 617 for (i = 0; i < adapter->num_tx_queues; i++) { 618 memcpy(&temp_ring[i], adapter->tx_ring[i], 619 sizeof(struct igc_ring)); 620 621 temp_ring[i].count = new_tx_count; 622 err = igc_setup_tx_resources(&temp_ring[i]); 623 if (err) { 624 while (i) { 625 i--; 626 igc_free_tx_resources(&temp_ring[i]); 627 } 628 goto err_setup; 629 } 630 } 631 632 for (i = 0; i < adapter->num_tx_queues; i++) { 633 igc_free_tx_resources(adapter->tx_ring[i]); 634 635 memcpy(adapter->tx_ring[i], &temp_ring[i], 636 sizeof(struct igc_ring)); 637 } 638 639 adapter->tx_ring_count = new_tx_count; 640 } 641 642 if (new_rx_count != adapter->rx_ring_count) { 643 for (i = 0; i < adapter->num_rx_queues; i++) { 644 memcpy(&temp_ring[i], adapter->rx_ring[i], 645 sizeof(struct igc_ring)); 646 647 temp_ring[i].count = new_rx_count; 648 err = igc_setup_rx_resources(&temp_ring[i]); 649 if (err) { 650 while (i) { 651 i--; 652 igc_free_rx_resources(&temp_ring[i]); 653 } 654 goto err_setup; 655 } 656 } 657 658 for (i = 0; i < adapter->num_rx_queues; i++) { 659 igc_free_rx_resources(adapter->rx_ring[i]); 660 661 memcpy(adapter->rx_ring[i], &temp_ring[i], 662 sizeof(struct igc_ring)); 663 } 664 665 adapter->rx_ring_count = new_rx_count; 666 } 667 err_setup: 668 igc_up(adapter); 669 vfree(temp_ring); 670 clear_reset: 671 clear_bit(__IGC_RESETTING, &adapter->state); 672 return err; 673 } 674 675 static void igc_ethtool_get_pauseparam(struct net_device *netdev, 676 struct ethtool_pauseparam *pause) 677 { 678 struct igc_adapter *adapter = netdev_priv(netdev); 679 struct igc_hw *hw = &adapter->hw; 680 681 pause->autoneg = 682 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); 683 684 if (hw->fc.current_mode == igc_fc_rx_pause) { 685 pause->rx_pause = 1; 686 } else if (hw->fc.current_mode == igc_fc_tx_pause) { 687 pause->tx_pause = 1; 688 } else if (hw->fc.current_mode == igc_fc_full) { 689 pause->rx_pause = 1; 690 pause->tx_pause = 1; 691 } 692 } 693 694 static int igc_ethtool_set_pauseparam(struct net_device *netdev, 695 struct ethtool_pauseparam *pause) 696 { 697 struct igc_adapter *adapter = netdev_priv(netdev); 698 struct igc_hw *hw = &adapter->hw; 699 int retval = 0; 700 701 adapter->fc_autoneg = pause->autoneg; 702 703 while (test_and_set_bit(__IGC_RESETTING, &adapter->state)) 704 usleep_range(1000, 2000); 705 706 if (adapter->fc_autoneg == AUTONEG_ENABLE) { 707 hw->fc.requested_mode = igc_fc_default; 708 if (netif_running(adapter->netdev)) { 709 igc_down(adapter); 710 igc_up(adapter); 711 } else { 712 igc_reset(adapter); 713 } 714 } else { 715 if (pause->rx_pause && pause->tx_pause) 716 hw->fc.requested_mode = igc_fc_full; 717 else if (pause->rx_pause && !pause->tx_pause) 718 hw->fc.requested_mode = igc_fc_rx_pause; 719 else if (!pause->rx_pause && pause->tx_pause) 720 hw->fc.requested_mode = igc_fc_tx_pause; 721 else if (!pause->rx_pause && !pause->tx_pause) 722 hw->fc.requested_mode = igc_fc_none; 723 724 hw->fc.current_mode = hw->fc.requested_mode; 725 726 retval = ((hw->phy.media_type == igc_media_type_copper) ? 727 igc_force_mac_fc(hw) : igc_setup_link(hw)); 728 } 729 730 clear_bit(__IGC_RESETTING, &adapter->state); 731 return retval; 732 } 733 734 static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset, 735 u8 *data) 736 { 737 struct igc_adapter *adapter = netdev_priv(netdev); 738 u8 *p = data; 739 int i; 740 741 switch (stringset) { 742 case ETH_SS_TEST: 743 memcpy(data, *igc_gstrings_test, 744 IGC_TEST_LEN * ETH_GSTRING_LEN); 745 break; 746 case ETH_SS_STATS: 747 for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++) { 748 memcpy(p, igc_gstrings_stats[i].stat_string, 749 ETH_GSTRING_LEN); 750 p += ETH_GSTRING_LEN; 751 } 752 for (i = 0; i < IGC_NETDEV_STATS_LEN; i++) { 753 memcpy(p, igc_gstrings_net_stats[i].stat_string, 754 ETH_GSTRING_LEN); 755 p += ETH_GSTRING_LEN; 756 } 757 for (i = 0; i < adapter->num_tx_queues; i++) { 758 sprintf(p, "tx_queue_%u_packets", i); 759 p += ETH_GSTRING_LEN; 760 sprintf(p, "tx_queue_%u_bytes", i); 761 p += ETH_GSTRING_LEN; 762 sprintf(p, "tx_queue_%u_restart", i); 763 p += ETH_GSTRING_LEN; 764 } 765 for (i = 0; i < adapter->num_rx_queues; i++) { 766 sprintf(p, "rx_queue_%u_packets", i); 767 p += ETH_GSTRING_LEN; 768 sprintf(p, "rx_queue_%u_bytes", i); 769 p += ETH_GSTRING_LEN; 770 sprintf(p, "rx_queue_%u_drops", i); 771 p += ETH_GSTRING_LEN; 772 sprintf(p, "rx_queue_%u_csum_err", i); 773 p += ETH_GSTRING_LEN; 774 sprintf(p, "rx_queue_%u_alloc_failed", i); 775 p += ETH_GSTRING_LEN; 776 } 777 /* BUG_ON(p - data != IGC_STATS_LEN * ETH_GSTRING_LEN); */ 778 break; 779 case ETH_SS_PRIV_FLAGS: 780 memcpy(data, igc_priv_flags_strings, 781 IGC_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); 782 break; 783 } 784 } 785 786 static int igc_ethtool_get_sset_count(struct net_device *netdev, int sset) 787 { 788 switch (sset) { 789 case ETH_SS_STATS: 790 return IGC_STATS_LEN; 791 case ETH_SS_TEST: 792 return IGC_TEST_LEN; 793 case ETH_SS_PRIV_FLAGS: 794 return IGC_PRIV_FLAGS_STR_LEN; 795 default: 796 return -ENOTSUPP; 797 } 798 } 799 800 static void igc_ethtool_get_stats(struct net_device *netdev, 801 struct ethtool_stats *stats, u64 *data) 802 { 803 struct igc_adapter *adapter = netdev_priv(netdev); 804 struct rtnl_link_stats64 *net_stats = &adapter->stats64; 805 unsigned int start; 806 struct igc_ring *ring; 807 int i, j; 808 char *p; 809 810 spin_lock(&adapter->stats64_lock); 811 igc_update_stats(adapter); 812 813 for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++) { 814 p = (char *)adapter + igc_gstrings_stats[i].stat_offset; 815 data[i] = (igc_gstrings_stats[i].sizeof_stat == 816 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 817 } 818 for (j = 0; j < IGC_NETDEV_STATS_LEN; j++, i++) { 819 p = (char *)net_stats + igc_gstrings_net_stats[j].stat_offset; 820 data[i] = (igc_gstrings_net_stats[j].sizeof_stat == 821 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 822 } 823 for (j = 0; j < adapter->num_tx_queues; j++) { 824 u64 restart2; 825 826 ring = adapter->tx_ring[j]; 827 do { 828 start = u64_stats_fetch_begin_irq(&ring->tx_syncp); 829 data[i] = ring->tx_stats.packets; 830 data[i + 1] = ring->tx_stats.bytes; 831 data[i + 2] = ring->tx_stats.restart_queue; 832 } while (u64_stats_fetch_retry_irq(&ring->tx_syncp, start)); 833 do { 834 start = u64_stats_fetch_begin_irq(&ring->tx_syncp2); 835 restart2 = ring->tx_stats.restart_queue2; 836 } while (u64_stats_fetch_retry_irq(&ring->tx_syncp2, start)); 837 data[i + 2] += restart2; 838 839 i += IGC_TX_QUEUE_STATS_LEN; 840 } 841 for (j = 0; j < adapter->num_rx_queues; j++) { 842 ring = adapter->rx_ring[j]; 843 do { 844 start = u64_stats_fetch_begin_irq(&ring->rx_syncp); 845 data[i] = ring->rx_stats.packets; 846 data[i + 1] = ring->rx_stats.bytes; 847 data[i + 2] = ring->rx_stats.drops; 848 data[i + 3] = ring->rx_stats.csum_err; 849 data[i + 4] = ring->rx_stats.alloc_failed; 850 } while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start)); 851 i += IGC_RX_QUEUE_STATS_LEN; 852 } 853 spin_unlock(&adapter->stats64_lock); 854 } 855 856 static int igc_ethtool_get_coalesce(struct net_device *netdev, 857 struct ethtool_coalesce *ec) 858 { 859 struct igc_adapter *adapter = netdev_priv(netdev); 860 861 if (adapter->rx_itr_setting <= 3) 862 ec->rx_coalesce_usecs = adapter->rx_itr_setting; 863 else 864 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2; 865 866 if (!(adapter->flags & IGC_FLAG_QUEUE_PAIRS)) { 867 if (adapter->tx_itr_setting <= 3) 868 ec->tx_coalesce_usecs = adapter->tx_itr_setting; 869 else 870 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2; 871 } 872 873 return 0; 874 } 875 876 static int igc_ethtool_set_coalesce(struct net_device *netdev, 877 struct ethtool_coalesce *ec) 878 { 879 struct igc_adapter *adapter = netdev_priv(netdev); 880 int i; 881 882 if (ec->rx_coalesce_usecs > IGC_MAX_ITR_USECS || 883 (ec->rx_coalesce_usecs > 3 && 884 ec->rx_coalesce_usecs < IGC_MIN_ITR_USECS) || 885 ec->rx_coalesce_usecs == 2) 886 return -EINVAL; 887 888 if (ec->tx_coalesce_usecs > IGC_MAX_ITR_USECS || 889 (ec->tx_coalesce_usecs > 3 && 890 ec->tx_coalesce_usecs < IGC_MIN_ITR_USECS) || 891 ec->tx_coalesce_usecs == 2) 892 return -EINVAL; 893 894 if ((adapter->flags & IGC_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs) 895 return -EINVAL; 896 897 /* If ITR is disabled, disable DMAC */ 898 if (ec->rx_coalesce_usecs == 0) { 899 if (adapter->flags & IGC_FLAG_DMAC) 900 adapter->flags &= ~IGC_FLAG_DMAC; 901 } 902 903 /* convert to rate of irq's per second */ 904 if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) 905 adapter->rx_itr_setting = ec->rx_coalesce_usecs; 906 else 907 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2; 908 909 /* convert to rate of irq's per second */ 910 if (adapter->flags & IGC_FLAG_QUEUE_PAIRS) 911 adapter->tx_itr_setting = adapter->rx_itr_setting; 912 else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3) 913 adapter->tx_itr_setting = ec->tx_coalesce_usecs; 914 else 915 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2; 916 917 for (i = 0; i < adapter->num_q_vectors; i++) { 918 struct igc_q_vector *q_vector = adapter->q_vector[i]; 919 920 q_vector->tx.work_limit = adapter->tx_work_limit; 921 if (q_vector->rx.ring) 922 q_vector->itr_val = adapter->rx_itr_setting; 923 else 924 q_vector->itr_val = adapter->tx_itr_setting; 925 if (q_vector->itr_val && q_vector->itr_val <= 3) 926 q_vector->itr_val = IGC_START_ITR; 927 q_vector->set_itr = 1; 928 } 929 930 return 0; 931 } 932 933 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) 934 static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter, 935 struct ethtool_rxnfc *cmd) 936 { 937 struct ethtool_rx_flow_spec *fsp = &cmd->fs; 938 struct igc_nfc_rule *rule = NULL; 939 940 cmd->data = IGC_MAX_RXNFC_RULES; 941 942 mutex_lock(&adapter->nfc_rule_lock); 943 944 rule = igc_get_nfc_rule(adapter, fsp->location); 945 if (!rule) 946 goto out; 947 948 fsp->flow_type = ETHER_FLOW; 949 fsp->ring_cookie = rule->action; 950 951 if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { 952 fsp->h_u.ether_spec.h_proto = htons(rule->filter.etype); 953 fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK; 954 } 955 956 if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { 957 fsp->flow_type |= FLOW_EXT; 958 fsp->h_ext.vlan_tci = htons(rule->filter.vlan_tci); 959 fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK); 960 } 961 962 if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { 963 ether_addr_copy(fsp->h_u.ether_spec.h_dest, 964 rule->filter.dst_addr); 965 eth_broadcast_addr(fsp->m_u.ether_spec.h_dest); 966 } 967 968 if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { 969 ether_addr_copy(fsp->h_u.ether_spec.h_source, 970 rule->filter.src_addr); 971 eth_broadcast_addr(fsp->m_u.ether_spec.h_source); 972 } 973 974 mutex_unlock(&adapter->nfc_rule_lock); 975 return 0; 976 977 out: 978 mutex_unlock(&adapter->nfc_rule_lock); 979 return -EINVAL; 980 } 981 982 static int igc_ethtool_get_nfc_rules(struct igc_adapter *adapter, 983 struct ethtool_rxnfc *cmd, 984 u32 *rule_locs) 985 { 986 struct igc_nfc_rule *rule; 987 int cnt = 0; 988 989 cmd->data = IGC_MAX_RXNFC_RULES; 990 991 mutex_lock(&adapter->nfc_rule_lock); 992 993 list_for_each_entry(rule, &adapter->nfc_rule_list, list) { 994 if (cnt == cmd->rule_cnt) { 995 mutex_unlock(&adapter->nfc_rule_lock); 996 return -EMSGSIZE; 997 } 998 rule_locs[cnt] = rule->location; 999 cnt++; 1000 } 1001 1002 mutex_unlock(&adapter->nfc_rule_lock); 1003 1004 cmd->rule_cnt = cnt; 1005 1006 return 0; 1007 } 1008 1009 static int igc_ethtool_get_rss_hash_opts(struct igc_adapter *adapter, 1010 struct ethtool_rxnfc *cmd) 1011 { 1012 cmd->data = 0; 1013 1014 /* Report default options for RSS on igc */ 1015 switch (cmd->flow_type) { 1016 case TCP_V4_FLOW: 1017 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1018 /* Fall through */ 1019 case UDP_V4_FLOW: 1020 if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV4_UDP) 1021 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1022 /* Fall through */ 1023 case SCTP_V4_FLOW: 1024 /* Fall through */ 1025 case AH_ESP_V4_FLOW: 1026 /* Fall through */ 1027 case AH_V4_FLOW: 1028 /* Fall through */ 1029 case ESP_V4_FLOW: 1030 /* Fall through */ 1031 case IPV4_FLOW: 1032 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1033 break; 1034 case TCP_V6_FLOW: 1035 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1036 /* Fall through */ 1037 case UDP_V6_FLOW: 1038 if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV6_UDP) 1039 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1040 /* Fall through */ 1041 case SCTP_V6_FLOW: 1042 /* Fall through */ 1043 case AH_ESP_V6_FLOW: 1044 /* Fall through */ 1045 case AH_V6_FLOW: 1046 /* Fall through */ 1047 case ESP_V6_FLOW: 1048 /* Fall through */ 1049 case IPV6_FLOW: 1050 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1051 break; 1052 default: 1053 return -EINVAL; 1054 } 1055 1056 return 0; 1057 } 1058 1059 static int igc_ethtool_get_rxnfc(struct net_device *dev, 1060 struct ethtool_rxnfc *cmd, u32 *rule_locs) 1061 { 1062 struct igc_adapter *adapter = netdev_priv(dev); 1063 1064 switch (cmd->cmd) { 1065 case ETHTOOL_GRXRINGS: 1066 cmd->data = adapter->num_rx_queues; 1067 return 0; 1068 case ETHTOOL_GRXCLSRLCNT: 1069 cmd->rule_cnt = adapter->nfc_rule_count; 1070 return 0; 1071 case ETHTOOL_GRXCLSRULE: 1072 return igc_ethtool_get_nfc_rule(adapter, cmd); 1073 case ETHTOOL_GRXCLSRLALL: 1074 return igc_ethtool_get_nfc_rules(adapter, cmd, rule_locs); 1075 case ETHTOOL_GRXFH: 1076 return igc_ethtool_get_rss_hash_opts(adapter, cmd); 1077 default: 1078 return -EOPNOTSUPP; 1079 } 1080 } 1081 1082 #define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \ 1083 IGC_FLAG_RSS_FIELD_IPV6_UDP) 1084 static int igc_ethtool_set_rss_hash_opt(struct igc_adapter *adapter, 1085 struct ethtool_rxnfc *nfc) 1086 { 1087 u32 flags = adapter->flags; 1088 1089 /* RSS does not support anything other than hashing 1090 * to queues on src and dst IPs and ports 1091 */ 1092 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 1093 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 1094 return -EINVAL; 1095 1096 switch (nfc->flow_type) { 1097 case TCP_V4_FLOW: 1098 case TCP_V6_FLOW: 1099 if (!(nfc->data & RXH_IP_SRC) || 1100 !(nfc->data & RXH_IP_DST) || 1101 !(nfc->data & RXH_L4_B_0_1) || 1102 !(nfc->data & RXH_L4_B_2_3)) 1103 return -EINVAL; 1104 break; 1105 case UDP_V4_FLOW: 1106 if (!(nfc->data & RXH_IP_SRC) || 1107 !(nfc->data & RXH_IP_DST)) 1108 return -EINVAL; 1109 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1110 case 0: 1111 flags &= ~IGC_FLAG_RSS_FIELD_IPV4_UDP; 1112 break; 1113 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1114 flags |= IGC_FLAG_RSS_FIELD_IPV4_UDP; 1115 break; 1116 default: 1117 return -EINVAL; 1118 } 1119 break; 1120 case UDP_V6_FLOW: 1121 if (!(nfc->data & RXH_IP_SRC) || 1122 !(nfc->data & RXH_IP_DST)) 1123 return -EINVAL; 1124 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1125 case 0: 1126 flags &= ~IGC_FLAG_RSS_FIELD_IPV6_UDP; 1127 break; 1128 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1129 flags |= IGC_FLAG_RSS_FIELD_IPV6_UDP; 1130 break; 1131 default: 1132 return -EINVAL; 1133 } 1134 break; 1135 case AH_ESP_V4_FLOW: 1136 case AH_V4_FLOW: 1137 case ESP_V4_FLOW: 1138 case SCTP_V4_FLOW: 1139 case AH_ESP_V6_FLOW: 1140 case AH_V6_FLOW: 1141 case ESP_V6_FLOW: 1142 case SCTP_V6_FLOW: 1143 if (!(nfc->data & RXH_IP_SRC) || 1144 !(nfc->data & RXH_IP_DST) || 1145 (nfc->data & RXH_L4_B_0_1) || 1146 (nfc->data & RXH_L4_B_2_3)) 1147 return -EINVAL; 1148 break; 1149 default: 1150 return -EINVAL; 1151 } 1152 1153 /* if we changed something we need to update flags */ 1154 if (flags != adapter->flags) { 1155 struct igc_hw *hw = &adapter->hw; 1156 u32 mrqc = rd32(IGC_MRQC); 1157 1158 if ((flags & UDP_RSS_FLAGS) && 1159 !(adapter->flags & UDP_RSS_FLAGS)) 1160 netdev_err(adapter->netdev, 1161 "Enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n"); 1162 1163 adapter->flags = flags; 1164 1165 /* Perform hash on these packet types */ 1166 mrqc |= IGC_MRQC_RSS_FIELD_IPV4 | 1167 IGC_MRQC_RSS_FIELD_IPV4_TCP | 1168 IGC_MRQC_RSS_FIELD_IPV6 | 1169 IGC_MRQC_RSS_FIELD_IPV6_TCP; 1170 1171 mrqc &= ~(IGC_MRQC_RSS_FIELD_IPV4_UDP | 1172 IGC_MRQC_RSS_FIELD_IPV6_UDP); 1173 1174 if (flags & IGC_FLAG_RSS_FIELD_IPV4_UDP) 1175 mrqc |= IGC_MRQC_RSS_FIELD_IPV4_UDP; 1176 1177 if (flags & IGC_FLAG_RSS_FIELD_IPV6_UDP) 1178 mrqc |= IGC_MRQC_RSS_FIELD_IPV6_UDP; 1179 1180 wr32(IGC_MRQC, mrqc); 1181 } 1182 1183 return 0; 1184 } 1185 1186 static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule, 1187 const struct ethtool_rx_flow_spec *fsp) 1188 { 1189 INIT_LIST_HEAD(&rule->list); 1190 1191 rule->action = fsp->ring_cookie; 1192 rule->location = fsp->location; 1193 1194 if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) { 1195 rule->filter.vlan_tci = ntohs(fsp->h_ext.vlan_tci); 1196 rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI; 1197 } 1198 1199 if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) { 1200 rule->filter.etype = ntohs(fsp->h_u.ether_spec.h_proto); 1201 rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE; 1202 } 1203 1204 /* Both source and destination address filters only support the full 1205 * mask. 1206 */ 1207 if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) { 1208 rule->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR; 1209 ether_addr_copy(rule->filter.src_addr, 1210 fsp->h_u.ether_spec.h_source); 1211 } 1212 1213 if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) { 1214 rule->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR; 1215 ether_addr_copy(rule->filter.dst_addr, 1216 fsp->h_u.ether_spec.h_dest); 1217 } 1218 } 1219 1220 /** 1221 * igc_ethtool_check_nfc_rule() - Check if NFC rule is valid 1222 * @adapter: Pointer to adapter 1223 * @rule: Rule under evaluation 1224 * 1225 * The driver doesn't support rules with multiple matches so if more than 1226 * one bit in filter flags is set, @rule is considered invalid. 1227 * 1228 * Also, if there is already another rule with the same filter in a different 1229 * location, @rule is considered invalid. 1230 * 1231 * Context: Expects adapter->nfc_rule_lock to be held by caller. 1232 * 1233 * Return: 0 in case of success, negative errno code otherwise. 1234 */ 1235 static int igc_ethtool_check_nfc_rule(struct igc_adapter *adapter, 1236 struct igc_nfc_rule *rule) 1237 { 1238 struct net_device *dev = adapter->netdev; 1239 u8 flags = rule->filter.match_flags; 1240 struct igc_nfc_rule *tmp; 1241 1242 if (!flags) { 1243 netdev_dbg(dev, "Rule with no match\n"); 1244 return -EINVAL; 1245 } 1246 1247 if (flags & (flags - 1)) { 1248 netdev_dbg(dev, "Rule with multiple matches not supported\n"); 1249 return -EOPNOTSUPP; 1250 } 1251 1252 list_for_each_entry(tmp, &adapter->nfc_rule_list, list) { 1253 if (!memcmp(&rule->filter, &tmp->filter, 1254 sizeof(rule->filter)) && 1255 tmp->location != rule->location) { 1256 netdev_dbg(dev, "Rule already exists\n"); 1257 return -EEXIST; 1258 } 1259 } 1260 1261 return 0; 1262 } 1263 1264 static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter, 1265 struct ethtool_rxnfc *cmd) 1266 { 1267 struct net_device *netdev = adapter->netdev; 1268 struct ethtool_rx_flow_spec *fsp = 1269 (struct ethtool_rx_flow_spec *)&cmd->fs; 1270 struct igc_nfc_rule *rule, *old_rule; 1271 int err; 1272 1273 if (!(netdev->hw_features & NETIF_F_NTUPLE)) { 1274 netdev_dbg(netdev, "N-tuple filters disabled\n"); 1275 return -EOPNOTSUPP; 1276 } 1277 1278 if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW) { 1279 netdev_dbg(netdev, "Only ethernet flow type is supported\n"); 1280 return -EOPNOTSUPP; 1281 } 1282 1283 if ((fsp->flow_type & FLOW_EXT) && 1284 fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) { 1285 netdev_dbg(netdev, "VLAN mask not supported\n"); 1286 return -EOPNOTSUPP; 1287 } 1288 1289 if (fsp->ring_cookie >= adapter->num_rx_queues) { 1290 netdev_dbg(netdev, "Invalid action\n"); 1291 return -EINVAL; 1292 } 1293 1294 if (fsp->location >= IGC_MAX_RXNFC_RULES) { 1295 netdev_dbg(netdev, "Invalid location\n"); 1296 return -EINVAL; 1297 } 1298 1299 rule = kzalloc(sizeof(*rule), GFP_KERNEL); 1300 if (!rule) 1301 return -ENOMEM; 1302 1303 igc_ethtool_init_nfc_rule(rule, fsp); 1304 1305 mutex_lock(&adapter->nfc_rule_lock); 1306 1307 err = igc_ethtool_check_nfc_rule(adapter, rule); 1308 if (err) 1309 goto err; 1310 1311 old_rule = igc_get_nfc_rule(adapter, fsp->location); 1312 if (old_rule) 1313 igc_del_nfc_rule(adapter, old_rule); 1314 1315 err = igc_add_nfc_rule(adapter, rule); 1316 if (err) 1317 goto err; 1318 1319 mutex_unlock(&adapter->nfc_rule_lock); 1320 return 0; 1321 1322 err: 1323 mutex_unlock(&adapter->nfc_rule_lock); 1324 kfree(rule); 1325 return err; 1326 } 1327 1328 static int igc_ethtool_del_nfc_rule(struct igc_adapter *adapter, 1329 struct ethtool_rxnfc *cmd) 1330 { 1331 struct ethtool_rx_flow_spec *fsp = 1332 (struct ethtool_rx_flow_spec *)&cmd->fs; 1333 struct igc_nfc_rule *rule; 1334 1335 mutex_lock(&adapter->nfc_rule_lock); 1336 1337 rule = igc_get_nfc_rule(adapter, fsp->location); 1338 if (!rule) { 1339 mutex_unlock(&adapter->nfc_rule_lock); 1340 return -EINVAL; 1341 } 1342 1343 igc_del_nfc_rule(adapter, rule); 1344 1345 mutex_unlock(&adapter->nfc_rule_lock); 1346 return 0; 1347 } 1348 1349 static int igc_ethtool_set_rxnfc(struct net_device *dev, 1350 struct ethtool_rxnfc *cmd) 1351 { 1352 struct igc_adapter *adapter = netdev_priv(dev); 1353 1354 switch (cmd->cmd) { 1355 case ETHTOOL_SRXFH: 1356 return igc_ethtool_set_rss_hash_opt(adapter, cmd); 1357 case ETHTOOL_SRXCLSRLINS: 1358 return igc_ethtool_add_nfc_rule(adapter, cmd); 1359 case ETHTOOL_SRXCLSRLDEL: 1360 return igc_ethtool_del_nfc_rule(adapter, cmd); 1361 default: 1362 return -EOPNOTSUPP; 1363 } 1364 } 1365 1366 void igc_write_rss_indir_tbl(struct igc_adapter *adapter) 1367 { 1368 struct igc_hw *hw = &adapter->hw; 1369 u32 reg = IGC_RETA(0); 1370 u32 shift = 0; 1371 int i = 0; 1372 1373 while (i < IGC_RETA_SIZE) { 1374 u32 val = 0; 1375 int j; 1376 1377 for (j = 3; j >= 0; j--) { 1378 val <<= 8; 1379 val |= adapter->rss_indir_tbl[i + j]; 1380 } 1381 1382 wr32(reg, val << shift); 1383 reg += 4; 1384 i += 4; 1385 } 1386 } 1387 1388 static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev) 1389 { 1390 return IGC_RETA_SIZE; 1391 } 1392 1393 static int igc_ethtool_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 1394 u8 *hfunc) 1395 { 1396 struct igc_adapter *adapter = netdev_priv(netdev); 1397 int i; 1398 1399 if (hfunc) 1400 *hfunc = ETH_RSS_HASH_TOP; 1401 if (!indir) 1402 return 0; 1403 for (i = 0; i < IGC_RETA_SIZE; i++) 1404 indir[i] = adapter->rss_indir_tbl[i]; 1405 1406 return 0; 1407 } 1408 1409 static int igc_ethtool_set_rxfh(struct net_device *netdev, const u32 *indir, 1410 const u8 *key, const u8 hfunc) 1411 { 1412 struct igc_adapter *adapter = netdev_priv(netdev); 1413 u32 num_queues; 1414 int i; 1415 1416 /* We do not allow change in unsupported parameters */ 1417 if (key || 1418 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1419 return -EOPNOTSUPP; 1420 if (!indir) 1421 return 0; 1422 1423 num_queues = adapter->rss_queues; 1424 1425 /* Verify user input. */ 1426 for (i = 0; i < IGC_RETA_SIZE; i++) 1427 if (indir[i] >= num_queues) 1428 return -EINVAL; 1429 1430 for (i = 0; i < IGC_RETA_SIZE; i++) 1431 adapter->rss_indir_tbl[i] = indir[i]; 1432 1433 igc_write_rss_indir_tbl(adapter); 1434 1435 return 0; 1436 } 1437 1438 static void igc_ethtool_get_channels(struct net_device *netdev, 1439 struct ethtool_channels *ch) 1440 { 1441 struct igc_adapter *adapter = netdev_priv(netdev); 1442 1443 /* Report maximum channels */ 1444 ch->max_combined = igc_get_max_rss_queues(adapter); 1445 1446 /* Report info for other vector */ 1447 if (adapter->flags & IGC_FLAG_HAS_MSIX) { 1448 ch->max_other = NON_Q_VECTORS; 1449 ch->other_count = NON_Q_VECTORS; 1450 } 1451 1452 ch->combined_count = adapter->rss_queues; 1453 } 1454 1455 static int igc_ethtool_set_channels(struct net_device *netdev, 1456 struct ethtool_channels *ch) 1457 { 1458 struct igc_adapter *adapter = netdev_priv(netdev); 1459 unsigned int count = ch->combined_count; 1460 unsigned int max_combined = 0; 1461 1462 /* Verify they are not requesting separate vectors */ 1463 if (!count || ch->rx_count || ch->tx_count) 1464 return -EINVAL; 1465 1466 /* Verify other_count is valid and has not been changed */ 1467 if (ch->other_count != NON_Q_VECTORS) 1468 return -EINVAL; 1469 1470 /* Verify the number of channels doesn't exceed hw limits */ 1471 max_combined = igc_get_max_rss_queues(adapter); 1472 if (count > max_combined) 1473 return -EINVAL; 1474 1475 if (count != adapter->rss_queues) { 1476 adapter->rss_queues = count; 1477 igc_set_flag_queue_pairs(adapter, max_combined); 1478 1479 /* Hardware has to reinitialize queues and interrupts to 1480 * match the new configuration. 1481 */ 1482 return igc_reinit_queues(adapter); 1483 } 1484 1485 return 0; 1486 } 1487 1488 static int igc_ethtool_get_ts_info(struct net_device *dev, 1489 struct ethtool_ts_info *info) 1490 { 1491 struct igc_adapter *adapter = netdev_priv(dev); 1492 1493 if (adapter->ptp_clock) 1494 info->phc_index = ptp_clock_index(adapter->ptp_clock); 1495 else 1496 info->phc_index = -1; 1497 1498 switch (adapter->hw.mac.type) { 1499 case igc_i225: 1500 info->so_timestamping = 1501 SOF_TIMESTAMPING_TX_SOFTWARE | 1502 SOF_TIMESTAMPING_RX_SOFTWARE | 1503 SOF_TIMESTAMPING_SOFTWARE | 1504 SOF_TIMESTAMPING_TX_HARDWARE | 1505 SOF_TIMESTAMPING_RX_HARDWARE | 1506 SOF_TIMESTAMPING_RAW_HARDWARE; 1507 1508 info->tx_types = 1509 BIT(HWTSTAMP_TX_OFF) | 1510 BIT(HWTSTAMP_TX_ON); 1511 1512 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE); 1513 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL); 1514 1515 return 0; 1516 default: 1517 return -EOPNOTSUPP; 1518 } 1519 } 1520 1521 static u32 igc_ethtool_get_priv_flags(struct net_device *netdev) 1522 { 1523 struct igc_adapter *adapter = netdev_priv(netdev); 1524 u32 priv_flags = 0; 1525 1526 if (adapter->flags & IGC_FLAG_RX_LEGACY) 1527 priv_flags |= IGC_PRIV_FLAGS_LEGACY_RX; 1528 1529 return priv_flags; 1530 } 1531 1532 static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags) 1533 { 1534 struct igc_adapter *adapter = netdev_priv(netdev); 1535 unsigned int flags = adapter->flags; 1536 1537 flags &= ~IGC_FLAG_RX_LEGACY; 1538 if (priv_flags & IGC_PRIV_FLAGS_LEGACY_RX) 1539 flags |= IGC_FLAG_RX_LEGACY; 1540 1541 if (flags != adapter->flags) { 1542 adapter->flags = flags; 1543 1544 /* reset interface to repopulate queues */ 1545 if (netif_running(netdev)) 1546 igc_reinit_locked(adapter); 1547 } 1548 1549 return 0; 1550 } 1551 1552 static int igc_ethtool_begin(struct net_device *netdev) 1553 { 1554 struct igc_adapter *adapter = netdev_priv(netdev); 1555 1556 pm_runtime_get_sync(&adapter->pdev->dev); 1557 return 0; 1558 } 1559 1560 static void igc_ethtool_complete(struct net_device *netdev) 1561 { 1562 struct igc_adapter *adapter = netdev_priv(netdev); 1563 1564 pm_runtime_put(&adapter->pdev->dev); 1565 } 1566 1567 static int igc_ethtool_get_link_ksettings(struct net_device *netdev, 1568 struct ethtool_link_ksettings *cmd) 1569 { 1570 struct igc_adapter *adapter = netdev_priv(netdev); 1571 struct igc_hw *hw = &adapter->hw; 1572 u32 status; 1573 u32 speed; 1574 1575 ethtool_link_ksettings_zero_link_mode(cmd, supported); 1576 ethtool_link_ksettings_zero_link_mode(cmd, advertising); 1577 1578 /* supported link modes */ 1579 ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Half); 1580 ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Full); 1581 ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Half); 1582 ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Full); 1583 ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full); 1584 ethtool_link_ksettings_add_link_mode(cmd, supported, 2500baseT_Full); 1585 1586 /* twisted pair */ 1587 cmd->base.port = PORT_TP; 1588 cmd->base.phy_address = hw->phy.addr; 1589 1590 /* advertising link modes */ 1591 ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half); 1592 ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full); 1593 ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half); 1594 ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full); 1595 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full); 1596 ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full); 1597 1598 /* set autoneg settings */ 1599 if (hw->mac.autoneg == 1) { 1600 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); 1601 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1602 Autoneg); 1603 } 1604 1605 switch (hw->fc.requested_mode) { 1606 case igc_fc_full: 1607 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause); 1608 break; 1609 case igc_fc_rx_pause: 1610 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause); 1611 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1612 Asym_Pause); 1613 break; 1614 case igc_fc_tx_pause: 1615 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1616 Asym_Pause); 1617 break; 1618 default: 1619 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause); 1620 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1621 Asym_Pause); 1622 } 1623 1624 status = rd32(IGC_STATUS); 1625 1626 if (status & IGC_STATUS_LU) { 1627 if (status & IGC_STATUS_SPEED_1000) { 1628 /* For I225, STATUS will indicate 1G speed in both 1629 * 1 Gbps and 2.5 Gbps link modes. 1630 * An additional bit is used 1631 * to differentiate between 1 Gbps and 2.5 Gbps. 1632 */ 1633 if (hw->mac.type == igc_i225 && 1634 (status & IGC_STATUS_SPEED_2500)) { 1635 speed = SPEED_2500; 1636 } else { 1637 speed = SPEED_1000; 1638 } 1639 } else if (status & IGC_STATUS_SPEED_100) { 1640 speed = SPEED_100; 1641 } else { 1642 speed = SPEED_10; 1643 } 1644 if ((status & IGC_STATUS_FD) || 1645 hw->phy.media_type != igc_media_type_copper) 1646 cmd->base.duplex = DUPLEX_FULL; 1647 else 1648 cmd->base.duplex = DUPLEX_HALF; 1649 } else { 1650 speed = SPEED_UNKNOWN; 1651 cmd->base.duplex = DUPLEX_UNKNOWN; 1652 } 1653 cmd->base.speed = speed; 1654 if (hw->mac.autoneg) 1655 cmd->base.autoneg = AUTONEG_ENABLE; 1656 else 1657 cmd->base.autoneg = AUTONEG_DISABLE; 1658 1659 /* MDI-X => 2; MDI =>1; Invalid =>0 */ 1660 if (hw->phy.media_type == igc_media_type_copper) 1661 cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : 1662 ETH_TP_MDI; 1663 else 1664 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; 1665 1666 if (hw->phy.mdix == AUTO_ALL_MODES) 1667 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; 1668 else 1669 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix; 1670 1671 return 0; 1672 } 1673 1674 static int 1675 igc_ethtool_set_link_ksettings(struct net_device *netdev, 1676 const struct ethtool_link_ksettings *cmd) 1677 { 1678 struct igc_adapter *adapter = netdev_priv(netdev); 1679 struct net_device *dev = adapter->netdev; 1680 struct igc_hw *hw = &adapter->hw; 1681 u32 advertising; 1682 1683 /* When adapter in resetting mode, autoneg/speed/duplex 1684 * cannot be changed 1685 */ 1686 if (igc_check_reset_block(hw)) { 1687 netdev_err(dev, "Cannot change link characteristics when reset is active\n"); 1688 return -EINVAL; 1689 } 1690 1691 /* MDI setting is only allowed when autoneg enabled because 1692 * some hardware doesn't allow MDI setting when speed or 1693 * duplex is forced. 1694 */ 1695 if (cmd->base.eth_tp_mdix_ctrl) { 1696 if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO && 1697 cmd->base.autoneg != AUTONEG_ENABLE) { 1698 netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); 1699 return -EINVAL; 1700 } 1701 } 1702 1703 while (test_and_set_bit(__IGC_RESETTING, &adapter->state)) 1704 usleep_range(1000, 2000); 1705 1706 ethtool_convert_link_mode_to_legacy_u32(&advertising, 1707 cmd->link_modes.advertising); 1708 1709 if (cmd->base.autoneg == AUTONEG_ENABLE) { 1710 hw->mac.autoneg = 1; 1711 hw->phy.autoneg_advertised = advertising; 1712 if (adapter->fc_autoneg) 1713 hw->fc.requested_mode = igc_fc_default; 1714 } else { 1715 netdev_info(dev, "Force mode currently not supported\n"); 1716 } 1717 1718 /* MDI-X => 2; MDI => 1; Auto => 3 */ 1719 if (cmd->base.eth_tp_mdix_ctrl) { 1720 /* fix up the value for auto (3 => 0) as zero is mapped 1721 * internally to auto 1722 */ 1723 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) 1724 hw->phy.mdix = AUTO_ALL_MODES; 1725 else 1726 hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl; 1727 } 1728 1729 /* reset the link */ 1730 if (netif_running(adapter->netdev)) { 1731 igc_down(adapter); 1732 igc_up(adapter); 1733 } else { 1734 igc_reset(adapter); 1735 } 1736 1737 clear_bit(__IGC_RESETTING, &adapter->state); 1738 1739 return 0; 1740 } 1741 1742 static void igc_ethtool_diag_test(struct net_device *netdev, 1743 struct ethtool_test *eth_test, u64 *data) 1744 { 1745 struct igc_adapter *adapter = netdev_priv(netdev); 1746 bool if_running = netif_running(netdev); 1747 1748 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1749 netdev_info(adapter->netdev, "Offline testing starting"); 1750 set_bit(__IGC_TESTING, &adapter->state); 1751 1752 /* Link test performed before hardware reset so autoneg doesn't 1753 * interfere with test result 1754 */ 1755 if (!igc_link_test(adapter, &data[TEST_LINK])) 1756 eth_test->flags |= ETH_TEST_FL_FAILED; 1757 1758 if (if_running) 1759 igc_close(netdev); 1760 else 1761 igc_reset(adapter); 1762 1763 netdev_info(adapter->netdev, "Register testing starting"); 1764 if (!igc_reg_test(adapter, &data[TEST_REG])) 1765 eth_test->flags |= ETH_TEST_FL_FAILED; 1766 1767 igc_reset(adapter); 1768 1769 netdev_info(adapter->netdev, "EEPROM testing starting"); 1770 if (!igc_eeprom_test(adapter, &data[TEST_EEP])) 1771 eth_test->flags |= ETH_TEST_FL_FAILED; 1772 1773 igc_reset(adapter); 1774 1775 /* loopback and interrupt tests 1776 * will be implemented in the future 1777 */ 1778 data[TEST_LOOP] = 0; 1779 data[TEST_IRQ] = 0; 1780 1781 clear_bit(__IGC_TESTING, &adapter->state); 1782 if (if_running) 1783 igc_open(netdev); 1784 } else { 1785 netdev_info(adapter->netdev, "Online testing starting"); 1786 1787 /* register, eeprom, intr and loopback tests not run online */ 1788 data[TEST_REG] = 0; 1789 data[TEST_EEP] = 0; 1790 data[TEST_IRQ] = 0; 1791 data[TEST_LOOP] = 0; 1792 1793 if (!igc_link_test(adapter, &data[TEST_LINK])) 1794 eth_test->flags |= ETH_TEST_FL_FAILED; 1795 } 1796 1797 msleep_interruptible(4 * 1000); 1798 } 1799 1800 static const struct ethtool_ops igc_ethtool_ops = { 1801 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 1802 .get_drvinfo = igc_ethtool_get_drvinfo, 1803 .get_regs_len = igc_ethtool_get_regs_len, 1804 .get_regs = igc_ethtool_get_regs, 1805 .get_wol = igc_ethtool_get_wol, 1806 .set_wol = igc_ethtool_set_wol, 1807 .get_msglevel = igc_ethtool_get_msglevel, 1808 .set_msglevel = igc_ethtool_set_msglevel, 1809 .nway_reset = igc_ethtool_nway_reset, 1810 .get_link = igc_ethtool_get_link, 1811 .get_eeprom_len = igc_ethtool_get_eeprom_len, 1812 .get_eeprom = igc_ethtool_get_eeprom, 1813 .set_eeprom = igc_ethtool_set_eeprom, 1814 .get_ringparam = igc_ethtool_get_ringparam, 1815 .set_ringparam = igc_ethtool_set_ringparam, 1816 .get_pauseparam = igc_ethtool_get_pauseparam, 1817 .set_pauseparam = igc_ethtool_set_pauseparam, 1818 .get_strings = igc_ethtool_get_strings, 1819 .get_sset_count = igc_ethtool_get_sset_count, 1820 .get_ethtool_stats = igc_ethtool_get_stats, 1821 .get_coalesce = igc_ethtool_get_coalesce, 1822 .set_coalesce = igc_ethtool_set_coalesce, 1823 .get_rxnfc = igc_ethtool_get_rxnfc, 1824 .set_rxnfc = igc_ethtool_set_rxnfc, 1825 .get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size, 1826 .get_rxfh = igc_ethtool_get_rxfh, 1827 .set_rxfh = igc_ethtool_set_rxfh, 1828 .get_ts_info = igc_ethtool_get_ts_info, 1829 .get_channels = igc_ethtool_get_channels, 1830 .set_channels = igc_ethtool_set_channels, 1831 .get_priv_flags = igc_ethtool_get_priv_flags, 1832 .set_priv_flags = igc_ethtool_set_priv_flags, 1833 .begin = igc_ethtool_begin, 1834 .complete = igc_ethtool_complete, 1835 .get_link_ksettings = igc_ethtool_get_link_ksettings, 1836 .set_link_ksettings = igc_ethtool_set_link_ksettings, 1837 .self_test = igc_ethtool_diag_test, 1838 }; 1839 1840 void igc_ethtool_set_ops(struct net_device *netdev) 1841 { 1842 netdev->ethtool_ops = &igc_ethtool_ops; 1843 } 1844