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