1 /**************************************************************************** 2 * Driver for Solarflare network controllers and boards 3 * Copyright 2005-2006 Fen Systems Ltd. 4 * Copyright 2006-2013 Solarflare Communications Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation, incorporated herein by reference. 9 */ 10 11 #include <linux/netdevice.h> 12 #include <linux/ethtool.h> 13 #include <linux/rtnetlink.h> 14 #include <linux/in.h> 15 #include "net_driver.h" 16 #include "workarounds.h" 17 #include "selftest.h" 18 #include "efx.h" 19 #include "filter.h" 20 #include "nic.h" 21 22 struct ef4_sw_stat_desc { 23 const char *name; 24 enum { 25 EF4_ETHTOOL_STAT_SOURCE_nic, 26 EF4_ETHTOOL_STAT_SOURCE_channel, 27 EF4_ETHTOOL_STAT_SOURCE_tx_queue 28 } source; 29 unsigned offset; 30 u64(*get_stat) (void *field); /* Reader function */ 31 }; 32 33 /* Initialiser for a struct ef4_sw_stat_desc with type-checking */ 34 #define EF4_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ 35 get_stat_function) { \ 36 .name = #stat_name, \ 37 .source = EF4_ETHTOOL_STAT_SOURCE_##source_name, \ 38 .offset = ((((field_type *) 0) == \ 39 &((struct ef4_##source_name *)0)->field) ? \ 40 offsetof(struct ef4_##source_name, field) : \ 41 offsetof(struct ef4_##source_name, field)), \ 42 .get_stat = get_stat_function, \ 43 } 44 45 static u64 ef4_get_uint_stat(void *field) 46 { 47 return *(unsigned int *)field; 48 } 49 50 static u64 ef4_get_atomic_stat(void *field) 51 { 52 return atomic_read((atomic_t *) field); 53 } 54 55 #define EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ 56 EF4_ETHTOOL_STAT(field, nic, field, \ 57 atomic_t, ef4_get_atomic_stat) 58 59 #define EF4_ETHTOOL_UINT_CHANNEL_STAT(field) \ 60 EF4_ETHTOOL_STAT(field, channel, n_##field, \ 61 unsigned int, ef4_get_uint_stat) 62 63 #define EF4_ETHTOOL_UINT_TXQ_STAT(field) \ 64 EF4_ETHTOOL_STAT(tx_##field, tx_queue, field, \ 65 unsigned int, ef4_get_uint_stat) 66 67 static const struct ef4_sw_stat_desc ef4_sw_stat_desc[] = { 68 EF4_ETHTOOL_UINT_TXQ_STAT(merge_events), 69 EF4_ETHTOOL_UINT_TXQ_STAT(pushes), 70 EF4_ETHTOOL_UINT_TXQ_STAT(cb_packets), 71 EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), 72 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), 73 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), 74 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), 75 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch), 76 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), 77 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events), 78 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets), 79 }; 80 81 #define EF4_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(ef4_sw_stat_desc) 82 83 #define EF4_ETHTOOL_EEPROM_MAGIC 0xEFAB 84 85 /************************************************************************** 86 * 87 * Ethtool operations 88 * 89 ************************************************************************** 90 */ 91 92 /* Identify device by flashing LEDs */ 93 static int ef4_ethtool_phys_id(struct net_device *net_dev, 94 enum ethtool_phys_id_state state) 95 { 96 struct ef4_nic *efx = netdev_priv(net_dev); 97 enum ef4_led_mode mode = EF4_LED_DEFAULT; 98 99 switch (state) { 100 case ETHTOOL_ID_ON: 101 mode = EF4_LED_ON; 102 break; 103 case ETHTOOL_ID_OFF: 104 mode = EF4_LED_OFF; 105 break; 106 case ETHTOOL_ID_INACTIVE: 107 mode = EF4_LED_DEFAULT; 108 break; 109 case ETHTOOL_ID_ACTIVE: 110 return 1; /* cycle on/off once per second */ 111 } 112 113 efx->type->set_id_led(efx, mode); 114 return 0; 115 } 116 117 /* This must be called with rtnl_lock held. */ 118 static int 119 ef4_ethtool_get_link_ksettings(struct net_device *net_dev, 120 struct ethtool_link_ksettings *cmd) 121 { 122 struct ef4_nic *efx = netdev_priv(net_dev); 123 struct ef4_link_state *link_state = &efx->link_state; 124 125 mutex_lock(&efx->mac_lock); 126 efx->phy_op->get_link_ksettings(efx, cmd); 127 mutex_unlock(&efx->mac_lock); 128 129 /* Both MACs support pause frames (bidirectional and respond-only) */ 130 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); 131 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); 132 133 if (LOOPBACK_INTERNAL(efx)) { 134 cmd->base.speed = link_state->speed; 135 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; 136 } 137 138 return 0; 139 } 140 141 /* This must be called with rtnl_lock held. */ 142 static int 143 ef4_ethtool_set_link_ksettings(struct net_device *net_dev, 144 const struct ethtool_link_ksettings *cmd) 145 { 146 struct ef4_nic *efx = netdev_priv(net_dev); 147 int rc; 148 149 /* GMAC does not support 1000Mbps HD */ 150 if ((cmd->base.speed == SPEED_1000) && 151 (cmd->base.duplex != DUPLEX_FULL)) { 152 netif_dbg(efx, drv, efx->net_dev, 153 "rejecting unsupported 1000Mbps HD setting\n"); 154 return -EINVAL; 155 } 156 157 mutex_lock(&efx->mac_lock); 158 rc = efx->phy_op->set_link_ksettings(efx, cmd); 159 mutex_unlock(&efx->mac_lock); 160 return rc; 161 } 162 163 static void ef4_ethtool_get_drvinfo(struct net_device *net_dev, 164 struct ethtool_drvinfo *info) 165 { 166 struct ef4_nic *efx = netdev_priv(net_dev); 167 168 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); 169 strlcpy(info->version, EF4_DRIVER_VERSION, sizeof(info->version)); 170 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); 171 } 172 173 static int ef4_ethtool_get_regs_len(struct net_device *net_dev) 174 { 175 return ef4_nic_get_regs_len(netdev_priv(net_dev)); 176 } 177 178 static void ef4_ethtool_get_regs(struct net_device *net_dev, 179 struct ethtool_regs *regs, void *buf) 180 { 181 struct ef4_nic *efx = netdev_priv(net_dev); 182 183 regs->version = efx->type->revision; 184 ef4_nic_get_regs(efx, buf); 185 } 186 187 static u32 ef4_ethtool_get_msglevel(struct net_device *net_dev) 188 { 189 struct ef4_nic *efx = netdev_priv(net_dev); 190 return efx->msg_enable; 191 } 192 193 static void ef4_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) 194 { 195 struct ef4_nic *efx = netdev_priv(net_dev); 196 efx->msg_enable = msg_enable; 197 } 198 199 /** 200 * ef4_fill_test - fill in an individual self-test entry 201 * @test_index: Index of the test 202 * @strings: Ethtool strings, or %NULL 203 * @data: Ethtool test results, or %NULL 204 * @test: Pointer to test result (used only if data != %NULL) 205 * @unit_format: Unit name format (e.g. "chan\%d") 206 * @unit_id: Unit id (e.g. 0 for "chan0") 207 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") 208 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") 209 * 210 * Fill in an individual self-test entry. 211 */ 212 static void ef4_fill_test(unsigned int test_index, u8 *strings, u64 *data, 213 int *test, const char *unit_format, int unit_id, 214 const char *test_format, const char *test_id) 215 { 216 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN]; 217 218 /* Fill data value, if applicable */ 219 if (data) 220 data[test_index] = *test; 221 222 /* Fill string, if applicable */ 223 if (strings) { 224 if (strchr(unit_format, '%')) 225 snprintf(unit_str, sizeof(unit_str), 226 unit_format, unit_id); 227 else 228 strcpy(unit_str, unit_format); 229 snprintf(test_str, sizeof(test_str), test_format, test_id); 230 snprintf(strings + test_index * ETH_GSTRING_LEN, 231 ETH_GSTRING_LEN, 232 "%-6s %-24s", unit_str, test_str); 233 } 234 } 235 236 #define EF4_CHANNEL_NAME(_channel) "chan%d", _channel->channel 237 #define EF4_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue 238 #define EF4_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue 239 #define EF4_LOOPBACK_NAME(_mode, _counter) \ 240 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, ef4_loopback_mode) 241 242 /** 243 * ef4_fill_loopback_test - fill in a block of loopback self-test entries 244 * @efx: Efx NIC 245 * @lb_tests: Efx loopback self-test results structure 246 * @mode: Loopback test mode 247 * @test_index: Starting index of the test 248 * @strings: Ethtool strings, or %NULL 249 * @data: Ethtool test results, or %NULL 250 * 251 * Fill in a block of loopback self-test entries. Return new test 252 * index. 253 */ 254 static int ef4_fill_loopback_test(struct ef4_nic *efx, 255 struct ef4_loopback_self_tests *lb_tests, 256 enum ef4_loopback_mode mode, 257 unsigned int test_index, 258 u8 *strings, u64 *data) 259 { 260 struct ef4_channel *channel = 261 ef4_get_channel(efx, efx->tx_channel_offset); 262 struct ef4_tx_queue *tx_queue; 263 264 ef4_for_each_channel_tx_queue(tx_queue, channel) { 265 ef4_fill_test(test_index++, strings, data, 266 &lb_tests->tx_sent[tx_queue->queue], 267 EF4_TX_QUEUE_NAME(tx_queue), 268 EF4_LOOPBACK_NAME(mode, "tx_sent")); 269 ef4_fill_test(test_index++, strings, data, 270 &lb_tests->tx_done[tx_queue->queue], 271 EF4_TX_QUEUE_NAME(tx_queue), 272 EF4_LOOPBACK_NAME(mode, "tx_done")); 273 } 274 ef4_fill_test(test_index++, strings, data, 275 &lb_tests->rx_good, 276 "rx", 0, 277 EF4_LOOPBACK_NAME(mode, "rx_good")); 278 ef4_fill_test(test_index++, strings, data, 279 &lb_tests->rx_bad, 280 "rx", 0, 281 EF4_LOOPBACK_NAME(mode, "rx_bad")); 282 283 return test_index; 284 } 285 286 /** 287 * ef4_ethtool_fill_self_tests - get self-test details 288 * @efx: Efx NIC 289 * @tests: Efx self-test results structure, or %NULL 290 * @strings: Ethtool strings, or %NULL 291 * @data: Ethtool test results, or %NULL 292 * 293 * Get self-test number of strings, strings, and/or test results. 294 * Return number of strings (== number of test results). 295 * 296 * The reason for merging these three functions is to make sure that 297 * they can never be inconsistent. 298 */ 299 static int ef4_ethtool_fill_self_tests(struct ef4_nic *efx, 300 struct ef4_self_tests *tests, 301 u8 *strings, u64 *data) 302 { 303 struct ef4_channel *channel; 304 unsigned int n = 0, i; 305 enum ef4_loopback_mode mode; 306 307 ef4_fill_test(n++, strings, data, &tests->phy_alive, 308 "phy", 0, "alive", NULL); 309 ef4_fill_test(n++, strings, data, &tests->nvram, 310 "core", 0, "nvram", NULL); 311 ef4_fill_test(n++, strings, data, &tests->interrupt, 312 "core", 0, "interrupt", NULL); 313 314 /* Event queues */ 315 ef4_for_each_channel(channel, efx) { 316 ef4_fill_test(n++, strings, data, 317 &tests->eventq_dma[channel->channel], 318 EF4_CHANNEL_NAME(channel), 319 "eventq.dma", NULL); 320 ef4_fill_test(n++, strings, data, 321 &tests->eventq_int[channel->channel], 322 EF4_CHANNEL_NAME(channel), 323 "eventq.int", NULL); 324 } 325 326 ef4_fill_test(n++, strings, data, &tests->memory, 327 "core", 0, "memory", NULL); 328 ef4_fill_test(n++, strings, data, &tests->registers, 329 "core", 0, "registers", NULL); 330 331 if (efx->phy_op->run_tests != NULL) { 332 EF4_BUG_ON_PARANOID(efx->phy_op->test_name == NULL); 333 334 for (i = 0; true; ++i) { 335 const char *name; 336 337 EF4_BUG_ON_PARANOID(i >= EF4_MAX_PHY_TESTS); 338 name = efx->phy_op->test_name(efx, i); 339 if (name == NULL) 340 break; 341 342 ef4_fill_test(n++, strings, data, &tests->phy_ext[i], 343 "phy", 0, name, NULL); 344 } 345 } 346 347 /* Loopback tests */ 348 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { 349 if (!(efx->loopback_modes & (1 << mode))) 350 continue; 351 n = ef4_fill_loopback_test(efx, 352 &tests->loopback[mode], mode, n, 353 strings, data); 354 } 355 356 return n; 357 } 358 359 static size_t ef4_describe_per_queue_stats(struct ef4_nic *efx, u8 *strings) 360 { 361 size_t n_stats = 0; 362 struct ef4_channel *channel; 363 364 ef4_for_each_channel(channel, efx) { 365 if (ef4_channel_has_tx_queues(channel)) { 366 n_stats++; 367 if (strings != NULL) { 368 snprintf(strings, ETH_GSTRING_LEN, 369 "tx-%u.tx_packets", 370 channel->tx_queue[0].queue / 371 EF4_TXQ_TYPES); 372 373 strings += ETH_GSTRING_LEN; 374 } 375 } 376 } 377 ef4_for_each_channel(channel, efx) { 378 if (ef4_channel_has_rx_queue(channel)) { 379 n_stats++; 380 if (strings != NULL) { 381 snprintf(strings, ETH_GSTRING_LEN, 382 "rx-%d.rx_packets", channel->channel); 383 strings += ETH_GSTRING_LEN; 384 } 385 } 386 } 387 return n_stats; 388 } 389 390 static int ef4_ethtool_get_sset_count(struct net_device *net_dev, 391 int string_set) 392 { 393 struct ef4_nic *efx = netdev_priv(net_dev); 394 395 switch (string_set) { 396 case ETH_SS_STATS: 397 return efx->type->describe_stats(efx, NULL) + 398 EF4_ETHTOOL_SW_STAT_COUNT + 399 ef4_describe_per_queue_stats(efx, NULL); 400 case ETH_SS_TEST: 401 return ef4_ethtool_fill_self_tests(efx, NULL, NULL, NULL); 402 default: 403 return -EINVAL; 404 } 405 } 406 407 static void ef4_ethtool_get_strings(struct net_device *net_dev, 408 u32 string_set, u8 *strings) 409 { 410 struct ef4_nic *efx = netdev_priv(net_dev); 411 int i; 412 413 switch (string_set) { 414 case ETH_SS_STATS: 415 strings += (efx->type->describe_stats(efx, strings) * 416 ETH_GSTRING_LEN); 417 for (i = 0; i < EF4_ETHTOOL_SW_STAT_COUNT; i++) 418 strlcpy(strings + i * ETH_GSTRING_LEN, 419 ef4_sw_stat_desc[i].name, ETH_GSTRING_LEN); 420 strings += EF4_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN; 421 strings += (ef4_describe_per_queue_stats(efx, strings) * 422 ETH_GSTRING_LEN); 423 break; 424 case ETH_SS_TEST: 425 ef4_ethtool_fill_self_tests(efx, NULL, strings, NULL); 426 break; 427 default: 428 /* No other string sets */ 429 break; 430 } 431 } 432 433 static void ef4_ethtool_get_stats(struct net_device *net_dev, 434 struct ethtool_stats *stats, 435 u64 *data) 436 { 437 struct ef4_nic *efx = netdev_priv(net_dev); 438 const struct ef4_sw_stat_desc *stat; 439 struct ef4_channel *channel; 440 struct ef4_tx_queue *tx_queue; 441 struct ef4_rx_queue *rx_queue; 442 int i; 443 444 spin_lock_bh(&efx->stats_lock); 445 446 /* Get NIC statistics */ 447 data += efx->type->update_stats(efx, data, NULL); 448 449 /* Get software statistics */ 450 for (i = 0; i < EF4_ETHTOOL_SW_STAT_COUNT; i++) { 451 stat = &ef4_sw_stat_desc[i]; 452 switch (stat->source) { 453 case EF4_ETHTOOL_STAT_SOURCE_nic: 454 data[i] = stat->get_stat((void *)efx + stat->offset); 455 break; 456 case EF4_ETHTOOL_STAT_SOURCE_channel: 457 data[i] = 0; 458 ef4_for_each_channel(channel, efx) 459 data[i] += stat->get_stat((void *)channel + 460 stat->offset); 461 break; 462 case EF4_ETHTOOL_STAT_SOURCE_tx_queue: 463 data[i] = 0; 464 ef4_for_each_channel(channel, efx) { 465 ef4_for_each_channel_tx_queue(tx_queue, channel) 466 data[i] += 467 stat->get_stat((void *)tx_queue 468 + stat->offset); 469 } 470 break; 471 } 472 } 473 data += EF4_ETHTOOL_SW_STAT_COUNT; 474 475 spin_unlock_bh(&efx->stats_lock); 476 477 ef4_for_each_channel(channel, efx) { 478 if (ef4_channel_has_tx_queues(channel)) { 479 *data = 0; 480 ef4_for_each_channel_tx_queue(tx_queue, channel) { 481 *data += tx_queue->tx_packets; 482 } 483 data++; 484 } 485 } 486 ef4_for_each_channel(channel, efx) { 487 if (ef4_channel_has_rx_queue(channel)) { 488 *data = 0; 489 ef4_for_each_channel_rx_queue(rx_queue, channel) { 490 *data += rx_queue->rx_packets; 491 } 492 data++; 493 } 494 } 495 } 496 497 static void ef4_ethtool_self_test(struct net_device *net_dev, 498 struct ethtool_test *test, u64 *data) 499 { 500 struct ef4_nic *efx = netdev_priv(net_dev); 501 struct ef4_self_tests *ef4_tests; 502 bool already_up; 503 int rc = -ENOMEM; 504 505 ef4_tests = kzalloc(sizeof(*ef4_tests), GFP_KERNEL); 506 if (!ef4_tests) 507 goto fail; 508 509 if (efx->state != STATE_READY) { 510 rc = -EBUSY; 511 goto out; 512 } 513 514 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", 515 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 516 517 /* We need rx buffers and interrupts. */ 518 already_up = (efx->net_dev->flags & IFF_UP); 519 if (!already_up) { 520 rc = dev_open(efx->net_dev); 521 if (rc) { 522 netif_err(efx, drv, efx->net_dev, 523 "failed opening device.\n"); 524 goto out; 525 } 526 } 527 528 rc = ef4_selftest(efx, ef4_tests, test->flags); 529 530 if (!already_up) 531 dev_close(efx->net_dev); 532 533 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", 534 rc == 0 ? "passed" : "failed", 535 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 536 537 out: 538 ef4_ethtool_fill_self_tests(efx, ef4_tests, NULL, data); 539 kfree(ef4_tests); 540 fail: 541 if (rc) 542 test->flags |= ETH_TEST_FL_FAILED; 543 } 544 545 /* Restart autonegotiation */ 546 static int ef4_ethtool_nway_reset(struct net_device *net_dev) 547 { 548 struct ef4_nic *efx = netdev_priv(net_dev); 549 550 return mdio45_nway_restart(&efx->mdio); 551 } 552 553 /* 554 * Each channel has a single IRQ and moderation timer, started by any 555 * completion (or other event). Unless the module parameter 556 * separate_tx_channels is set, IRQs and moderation are therefore 557 * shared between RX and TX completions. In this case, when RX IRQ 558 * moderation is explicitly changed then TX IRQ moderation is 559 * automatically changed too, but otherwise we fail if the two values 560 * are requested to be different. 561 * 562 * The hardware does not support a limit on the number of completions 563 * before an IRQ, so we do not use the max_frames fields. We should 564 * report and require that max_frames == (usecs != 0), but this would 565 * invalidate existing user documentation. 566 * 567 * The hardware does not have distinct settings for interrupt 568 * moderation while the previous IRQ is being handled, so we should 569 * not use the 'irq' fields. However, an earlier developer 570 * misunderstood the meaning of the 'irq' fields and the driver did 571 * not support the standard fields. To avoid invalidating existing 572 * user documentation, we report and accept changes through either the 573 * standard or 'irq' fields. If both are changed at the same time, we 574 * prefer the standard field. 575 * 576 * We implement adaptive IRQ moderation, but use a different algorithm 577 * from that assumed in the definition of struct ethtool_coalesce. 578 * Therefore we do not use any of the adaptive moderation parameters 579 * in it. 580 */ 581 582 static int ef4_ethtool_get_coalesce(struct net_device *net_dev, 583 struct ethtool_coalesce *coalesce) 584 { 585 struct ef4_nic *efx = netdev_priv(net_dev); 586 unsigned int tx_usecs, rx_usecs; 587 bool rx_adaptive; 588 589 ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive); 590 591 coalesce->tx_coalesce_usecs = tx_usecs; 592 coalesce->tx_coalesce_usecs_irq = tx_usecs; 593 coalesce->rx_coalesce_usecs = rx_usecs; 594 coalesce->rx_coalesce_usecs_irq = rx_usecs; 595 coalesce->use_adaptive_rx_coalesce = rx_adaptive; 596 597 return 0; 598 } 599 600 static int ef4_ethtool_set_coalesce(struct net_device *net_dev, 601 struct ethtool_coalesce *coalesce) 602 { 603 struct ef4_nic *efx = netdev_priv(net_dev); 604 struct ef4_channel *channel; 605 unsigned int tx_usecs, rx_usecs; 606 bool adaptive, rx_may_override_tx; 607 int rc; 608 609 if (coalesce->use_adaptive_tx_coalesce) 610 return -EINVAL; 611 612 ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); 613 614 if (coalesce->rx_coalesce_usecs != rx_usecs) 615 rx_usecs = coalesce->rx_coalesce_usecs; 616 else 617 rx_usecs = coalesce->rx_coalesce_usecs_irq; 618 619 adaptive = coalesce->use_adaptive_rx_coalesce; 620 621 /* If channels are shared, TX IRQ moderation can be quietly 622 * overridden unless it is changed from its old value. 623 */ 624 rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs && 625 coalesce->tx_coalesce_usecs_irq == tx_usecs); 626 if (coalesce->tx_coalesce_usecs != tx_usecs) 627 tx_usecs = coalesce->tx_coalesce_usecs; 628 else 629 tx_usecs = coalesce->tx_coalesce_usecs_irq; 630 631 rc = ef4_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive, 632 rx_may_override_tx); 633 if (rc != 0) 634 return rc; 635 636 ef4_for_each_channel(channel, efx) 637 efx->type->push_irq_moderation(channel); 638 639 return 0; 640 } 641 642 static void ef4_ethtool_get_ringparam(struct net_device *net_dev, 643 struct ethtool_ringparam *ring) 644 { 645 struct ef4_nic *efx = netdev_priv(net_dev); 646 647 ring->rx_max_pending = EF4_MAX_DMAQ_SIZE; 648 ring->tx_max_pending = EF4_MAX_DMAQ_SIZE; 649 ring->rx_pending = efx->rxq_entries; 650 ring->tx_pending = efx->txq_entries; 651 } 652 653 static int ef4_ethtool_set_ringparam(struct net_device *net_dev, 654 struct ethtool_ringparam *ring) 655 { 656 struct ef4_nic *efx = netdev_priv(net_dev); 657 u32 txq_entries; 658 659 if (ring->rx_mini_pending || ring->rx_jumbo_pending || 660 ring->rx_pending > EF4_MAX_DMAQ_SIZE || 661 ring->tx_pending > EF4_MAX_DMAQ_SIZE) 662 return -EINVAL; 663 664 if (ring->rx_pending < EF4_RXQ_MIN_ENT) { 665 netif_err(efx, drv, efx->net_dev, 666 "RX queues cannot be smaller than %u\n", 667 EF4_RXQ_MIN_ENT); 668 return -EINVAL; 669 } 670 671 txq_entries = max(ring->tx_pending, EF4_TXQ_MIN_ENT(efx)); 672 if (txq_entries != ring->tx_pending) 673 netif_warn(efx, drv, efx->net_dev, 674 "increasing TX queue size to minimum of %u\n", 675 txq_entries); 676 677 return ef4_realloc_channels(efx, ring->rx_pending, txq_entries); 678 } 679 680 static int ef4_ethtool_set_pauseparam(struct net_device *net_dev, 681 struct ethtool_pauseparam *pause) 682 { 683 struct ef4_nic *efx = netdev_priv(net_dev); 684 u8 wanted_fc, old_fc; 685 u32 old_adv; 686 int rc = 0; 687 688 mutex_lock(&efx->mac_lock); 689 690 wanted_fc = ((pause->rx_pause ? EF4_FC_RX : 0) | 691 (pause->tx_pause ? EF4_FC_TX : 0) | 692 (pause->autoneg ? EF4_FC_AUTO : 0)); 693 694 if ((wanted_fc & EF4_FC_TX) && !(wanted_fc & EF4_FC_RX)) { 695 netif_dbg(efx, drv, efx->net_dev, 696 "Flow control unsupported: tx ON rx OFF\n"); 697 rc = -EINVAL; 698 goto out; 699 } 700 701 if ((wanted_fc & EF4_FC_AUTO) && !efx->link_advertising) { 702 netif_dbg(efx, drv, efx->net_dev, 703 "Autonegotiation is disabled\n"); 704 rc = -EINVAL; 705 goto out; 706 } 707 708 /* Hook for Falcon bug 11482 workaround */ 709 if (efx->type->prepare_enable_fc_tx && 710 (wanted_fc & EF4_FC_TX) && !(efx->wanted_fc & EF4_FC_TX)) 711 efx->type->prepare_enable_fc_tx(efx); 712 713 old_adv = efx->link_advertising; 714 old_fc = efx->wanted_fc; 715 ef4_link_set_wanted_fc(efx, wanted_fc); 716 if (efx->link_advertising != old_adv || 717 (efx->wanted_fc ^ old_fc) & EF4_FC_AUTO) { 718 rc = efx->phy_op->reconfigure(efx); 719 if (rc) { 720 netif_err(efx, drv, efx->net_dev, 721 "Unable to advertise requested flow " 722 "control setting\n"); 723 goto out; 724 } 725 } 726 727 /* Reconfigure the MAC. The PHY *may* generate a link state change event 728 * if the user just changed the advertised capabilities, but there's no 729 * harm doing this twice */ 730 ef4_mac_reconfigure(efx); 731 732 out: 733 mutex_unlock(&efx->mac_lock); 734 735 return rc; 736 } 737 738 static void ef4_ethtool_get_pauseparam(struct net_device *net_dev, 739 struct ethtool_pauseparam *pause) 740 { 741 struct ef4_nic *efx = netdev_priv(net_dev); 742 743 pause->rx_pause = !!(efx->wanted_fc & EF4_FC_RX); 744 pause->tx_pause = !!(efx->wanted_fc & EF4_FC_TX); 745 pause->autoneg = !!(efx->wanted_fc & EF4_FC_AUTO); 746 } 747 748 static void ef4_ethtool_get_wol(struct net_device *net_dev, 749 struct ethtool_wolinfo *wol) 750 { 751 struct ef4_nic *efx = netdev_priv(net_dev); 752 return efx->type->get_wol(efx, wol); 753 } 754 755 756 static int ef4_ethtool_set_wol(struct net_device *net_dev, 757 struct ethtool_wolinfo *wol) 758 { 759 struct ef4_nic *efx = netdev_priv(net_dev); 760 return efx->type->set_wol(efx, wol->wolopts); 761 } 762 763 static int ef4_ethtool_reset(struct net_device *net_dev, u32 *flags) 764 { 765 struct ef4_nic *efx = netdev_priv(net_dev); 766 int rc; 767 768 rc = efx->type->map_reset_flags(flags); 769 if (rc < 0) 770 return rc; 771 772 return ef4_reset(efx, rc); 773 } 774 775 /* MAC address mask including only I/G bit */ 776 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0}; 777 778 #define IP4_ADDR_FULL_MASK ((__force __be32)~0) 779 #define IP_PROTO_FULL_MASK 0xFF 780 #define PORT_FULL_MASK ((__force __be16)~0) 781 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) 782 783 static inline void ip6_fill_mask(__be32 *mask) 784 { 785 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0; 786 } 787 788 static int ef4_ethtool_get_class_rule(struct ef4_nic *efx, 789 struct ethtool_rx_flow_spec *rule) 790 { 791 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 792 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 793 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 794 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 795 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 796 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 797 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 798 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 799 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 800 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 801 struct ef4_filter_spec spec; 802 int rc; 803 804 rc = ef4_filter_get_filter_safe(efx, EF4_FILTER_PRI_MANUAL, 805 rule->location, &spec); 806 if (rc) 807 return rc; 808 809 if (spec.dmaq_id == EF4_FILTER_RX_DMAQ_ID_DROP) 810 rule->ring_cookie = RX_CLS_FLOW_DISC; 811 else 812 rule->ring_cookie = spec.dmaq_id; 813 814 if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) && 815 spec.ether_type == htons(ETH_P_IP) && 816 (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) && 817 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 818 !(spec.match_flags & 819 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 820 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 821 EF4_FILTER_MATCH_IP_PROTO | 822 EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) { 823 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 824 TCP_V4_FLOW : UDP_V4_FLOW); 825 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 826 ip_entry->ip4dst = spec.loc_host[0]; 827 ip_mask->ip4dst = IP4_ADDR_FULL_MASK; 828 } 829 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 830 ip_entry->ip4src = spec.rem_host[0]; 831 ip_mask->ip4src = IP4_ADDR_FULL_MASK; 832 } 833 if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) { 834 ip_entry->pdst = spec.loc_port; 835 ip_mask->pdst = PORT_FULL_MASK; 836 } 837 if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) { 838 ip_entry->psrc = spec.rem_port; 839 ip_mask->psrc = PORT_FULL_MASK; 840 } 841 } else if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) && 842 spec.ether_type == htons(ETH_P_IPV6) && 843 (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) && 844 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 845 !(spec.match_flags & 846 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 847 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 848 EF4_FILTER_MATCH_IP_PROTO | 849 EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) { 850 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 851 TCP_V6_FLOW : UDP_V6_FLOW); 852 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 853 memcpy(ip6_entry->ip6dst, spec.loc_host, 854 sizeof(ip6_entry->ip6dst)); 855 ip6_fill_mask(ip6_mask->ip6dst); 856 } 857 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 858 memcpy(ip6_entry->ip6src, spec.rem_host, 859 sizeof(ip6_entry->ip6src)); 860 ip6_fill_mask(ip6_mask->ip6src); 861 } 862 if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) { 863 ip6_entry->pdst = spec.loc_port; 864 ip6_mask->pdst = PORT_FULL_MASK; 865 } 866 if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) { 867 ip6_entry->psrc = spec.rem_port; 868 ip6_mask->psrc = PORT_FULL_MASK; 869 } 870 } else if (!(spec.match_flags & 871 ~(EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG | 872 EF4_FILTER_MATCH_REM_MAC | EF4_FILTER_MATCH_ETHER_TYPE | 873 EF4_FILTER_MATCH_OUTER_VID))) { 874 rule->flow_type = ETHER_FLOW; 875 if (spec.match_flags & 876 (EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG)) { 877 ether_addr_copy(mac_entry->h_dest, spec.loc_mac); 878 if (spec.match_flags & EF4_FILTER_MATCH_LOC_MAC) 879 eth_broadcast_addr(mac_mask->h_dest); 880 else 881 ether_addr_copy(mac_mask->h_dest, 882 mac_addr_ig_mask); 883 } 884 if (spec.match_flags & EF4_FILTER_MATCH_REM_MAC) { 885 ether_addr_copy(mac_entry->h_source, spec.rem_mac); 886 eth_broadcast_addr(mac_mask->h_source); 887 } 888 if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) { 889 mac_entry->h_proto = spec.ether_type; 890 mac_mask->h_proto = ETHER_TYPE_FULL_MASK; 891 } 892 } else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE && 893 spec.ether_type == htons(ETH_P_IP) && 894 !(spec.match_flags & 895 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 896 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 897 EF4_FILTER_MATCH_IP_PROTO))) { 898 rule->flow_type = IPV4_USER_FLOW; 899 uip_entry->ip_ver = ETH_RX_NFC_IP4; 900 if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) { 901 uip_mask->proto = IP_PROTO_FULL_MASK; 902 uip_entry->proto = spec.ip_proto; 903 } 904 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 905 uip_entry->ip4dst = spec.loc_host[0]; 906 uip_mask->ip4dst = IP4_ADDR_FULL_MASK; 907 } 908 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 909 uip_entry->ip4src = spec.rem_host[0]; 910 uip_mask->ip4src = IP4_ADDR_FULL_MASK; 911 } 912 } else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE && 913 spec.ether_type == htons(ETH_P_IPV6) && 914 !(spec.match_flags & 915 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 916 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 917 EF4_FILTER_MATCH_IP_PROTO))) { 918 rule->flow_type = IPV6_USER_FLOW; 919 if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) { 920 uip6_mask->l4_proto = IP_PROTO_FULL_MASK; 921 uip6_entry->l4_proto = spec.ip_proto; 922 } 923 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 924 memcpy(uip6_entry->ip6dst, spec.loc_host, 925 sizeof(uip6_entry->ip6dst)); 926 ip6_fill_mask(uip6_mask->ip6dst); 927 } 928 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 929 memcpy(uip6_entry->ip6src, spec.rem_host, 930 sizeof(uip6_entry->ip6src)); 931 ip6_fill_mask(uip6_mask->ip6src); 932 } 933 } else { 934 /* The above should handle all filters that we insert */ 935 WARN_ON(1); 936 return -EINVAL; 937 } 938 939 if (spec.match_flags & EF4_FILTER_MATCH_OUTER_VID) { 940 rule->flow_type |= FLOW_EXT; 941 rule->h_ext.vlan_tci = spec.outer_vid; 942 rule->m_ext.vlan_tci = htons(0xfff); 943 } 944 945 return rc; 946 } 947 948 static int 949 ef4_ethtool_get_rxnfc(struct net_device *net_dev, 950 struct ethtool_rxnfc *info, u32 *rule_locs) 951 { 952 struct ef4_nic *efx = netdev_priv(net_dev); 953 954 switch (info->cmd) { 955 case ETHTOOL_GRXRINGS: 956 info->data = efx->n_rx_channels; 957 return 0; 958 959 case ETHTOOL_GRXFH: { 960 unsigned min_revision = 0; 961 962 info->data = 0; 963 switch (info->flow_type) { 964 case TCP_V4_FLOW: 965 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 966 case UDP_V4_FLOW: 967 case SCTP_V4_FLOW: 968 case AH_ESP_V4_FLOW: 969 case IPV4_FLOW: 970 info->data |= RXH_IP_SRC | RXH_IP_DST; 971 min_revision = EF4_REV_FALCON_B0; 972 break; 973 default: 974 break; 975 } 976 if (ef4_nic_rev(efx) < min_revision) 977 info->data = 0; 978 return 0; 979 } 980 981 case ETHTOOL_GRXCLSRLCNT: 982 info->data = ef4_filter_get_rx_id_limit(efx); 983 if (info->data == 0) 984 return -EOPNOTSUPP; 985 info->data |= RX_CLS_LOC_SPECIAL; 986 info->rule_cnt = 987 ef4_filter_count_rx_used(efx, EF4_FILTER_PRI_MANUAL); 988 return 0; 989 990 case ETHTOOL_GRXCLSRULE: 991 if (ef4_filter_get_rx_id_limit(efx) == 0) 992 return -EOPNOTSUPP; 993 return ef4_ethtool_get_class_rule(efx, &info->fs); 994 995 case ETHTOOL_GRXCLSRLALL: { 996 s32 rc; 997 info->data = ef4_filter_get_rx_id_limit(efx); 998 if (info->data == 0) 999 return -EOPNOTSUPP; 1000 rc = ef4_filter_get_rx_ids(efx, EF4_FILTER_PRI_MANUAL, 1001 rule_locs, info->rule_cnt); 1002 if (rc < 0) 1003 return rc; 1004 info->rule_cnt = rc; 1005 return 0; 1006 } 1007 1008 default: 1009 return -EOPNOTSUPP; 1010 } 1011 } 1012 1013 static inline bool ip6_mask_is_full(__be32 mask[4]) 1014 { 1015 return !~(mask[0] & mask[1] & mask[2] & mask[3]); 1016 } 1017 1018 static inline bool ip6_mask_is_empty(__be32 mask[4]) 1019 { 1020 return !(mask[0] | mask[1] | mask[2] | mask[3]); 1021 } 1022 1023 static int ef4_ethtool_set_class_rule(struct ef4_nic *efx, 1024 struct ethtool_rx_flow_spec *rule) 1025 { 1026 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 1027 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 1028 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 1029 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 1030 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 1031 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 1032 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 1033 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 1034 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 1035 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 1036 struct ef4_filter_spec spec; 1037 int rc; 1038 1039 /* Check that user wants us to choose the location */ 1040 if (rule->location != RX_CLS_LOC_ANY) 1041 return -EINVAL; 1042 1043 /* Range-check ring_cookie */ 1044 if (rule->ring_cookie >= efx->n_rx_channels && 1045 rule->ring_cookie != RX_CLS_FLOW_DISC) 1046 return -EINVAL; 1047 1048 /* Check for unsupported extensions */ 1049 if ((rule->flow_type & FLOW_EXT) && 1050 (rule->m_ext.vlan_etype || rule->m_ext.data[0] || 1051 rule->m_ext.data[1])) 1052 return -EINVAL; 1053 1054 ef4_filter_init_rx(&spec, EF4_FILTER_PRI_MANUAL, 1055 efx->rx_scatter ? EF4_FILTER_FLAG_RX_SCATTER : 0, 1056 (rule->ring_cookie == RX_CLS_FLOW_DISC) ? 1057 EF4_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie); 1058 1059 switch (rule->flow_type & ~FLOW_EXT) { 1060 case TCP_V4_FLOW: 1061 case UDP_V4_FLOW: 1062 spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE | 1063 EF4_FILTER_MATCH_IP_PROTO); 1064 spec.ether_type = htons(ETH_P_IP); 1065 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ? 1066 IPPROTO_TCP : IPPROTO_UDP); 1067 if (ip_mask->ip4dst) { 1068 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1069 return -EINVAL; 1070 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1071 spec.loc_host[0] = ip_entry->ip4dst; 1072 } 1073 if (ip_mask->ip4src) { 1074 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK) 1075 return -EINVAL; 1076 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1077 spec.rem_host[0] = ip_entry->ip4src; 1078 } 1079 if (ip_mask->pdst) { 1080 if (ip_mask->pdst != PORT_FULL_MASK) 1081 return -EINVAL; 1082 spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT; 1083 spec.loc_port = ip_entry->pdst; 1084 } 1085 if (ip_mask->psrc) { 1086 if (ip_mask->psrc != PORT_FULL_MASK) 1087 return -EINVAL; 1088 spec.match_flags |= EF4_FILTER_MATCH_REM_PORT; 1089 spec.rem_port = ip_entry->psrc; 1090 } 1091 if (ip_mask->tos) 1092 return -EINVAL; 1093 break; 1094 1095 case TCP_V6_FLOW: 1096 case UDP_V6_FLOW: 1097 spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE | 1098 EF4_FILTER_MATCH_IP_PROTO); 1099 spec.ether_type = htons(ETH_P_IPV6); 1100 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ? 1101 IPPROTO_TCP : IPPROTO_UDP); 1102 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) { 1103 if (!ip6_mask_is_full(ip6_mask->ip6dst)) 1104 return -EINVAL; 1105 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1106 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host)); 1107 } 1108 if (!ip6_mask_is_empty(ip6_mask->ip6src)) { 1109 if (!ip6_mask_is_full(ip6_mask->ip6src)) 1110 return -EINVAL; 1111 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1112 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host)); 1113 } 1114 if (ip6_mask->pdst) { 1115 if (ip6_mask->pdst != PORT_FULL_MASK) 1116 return -EINVAL; 1117 spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT; 1118 spec.loc_port = ip6_entry->pdst; 1119 } 1120 if (ip6_mask->psrc) { 1121 if (ip6_mask->psrc != PORT_FULL_MASK) 1122 return -EINVAL; 1123 spec.match_flags |= EF4_FILTER_MATCH_REM_PORT; 1124 spec.rem_port = ip6_entry->psrc; 1125 } 1126 if (ip6_mask->tclass) 1127 return -EINVAL; 1128 break; 1129 1130 case IPV4_USER_FLOW: 1131 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver || 1132 uip_entry->ip_ver != ETH_RX_NFC_IP4) 1133 return -EINVAL; 1134 spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE; 1135 spec.ether_type = htons(ETH_P_IP); 1136 if (uip_mask->ip4dst) { 1137 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1138 return -EINVAL; 1139 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1140 spec.loc_host[0] = uip_entry->ip4dst; 1141 } 1142 if (uip_mask->ip4src) { 1143 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK) 1144 return -EINVAL; 1145 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1146 spec.rem_host[0] = uip_entry->ip4src; 1147 } 1148 if (uip_mask->proto) { 1149 if (uip_mask->proto != IP_PROTO_FULL_MASK) 1150 return -EINVAL; 1151 spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO; 1152 spec.ip_proto = uip_entry->proto; 1153 } 1154 break; 1155 1156 case IPV6_USER_FLOW: 1157 if (uip6_mask->l4_4_bytes || uip6_mask->tclass) 1158 return -EINVAL; 1159 spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE; 1160 spec.ether_type = htons(ETH_P_IPV6); 1161 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) { 1162 if (!ip6_mask_is_full(uip6_mask->ip6dst)) 1163 return -EINVAL; 1164 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1165 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host)); 1166 } 1167 if (!ip6_mask_is_empty(uip6_mask->ip6src)) { 1168 if (!ip6_mask_is_full(uip6_mask->ip6src)) 1169 return -EINVAL; 1170 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1171 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host)); 1172 } 1173 if (uip6_mask->l4_proto) { 1174 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK) 1175 return -EINVAL; 1176 spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO; 1177 spec.ip_proto = uip6_entry->l4_proto; 1178 } 1179 break; 1180 1181 case ETHER_FLOW: 1182 if (!is_zero_ether_addr(mac_mask->h_dest)) { 1183 if (ether_addr_equal(mac_mask->h_dest, 1184 mac_addr_ig_mask)) 1185 spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC_IG; 1186 else if (is_broadcast_ether_addr(mac_mask->h_dest)) 1187 spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC; 1188 else 1189 return -EINVAL; 1190 ether_addr_copy(spec.loc_mac, mac_entry->h_dest); 1191 } 1192 if (!is_zero_ether_addr(mac_mask->h_source)) { 1193 if (!is_broadcast_ether_addr(mac_mask->h_source)) 1194 return -EINVAL; 1195 spec.match_flags |= EF4_FILTER_MATCH_REM_MAC; 1196 ether_addr_copy(spec.rem_mac, mac_entry->h_source); 1197 } 1198 if (mac_mask->h_proto) { 1199 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK) 1200 return -EINVAL; 1201 spec.match_flags |= EF4_FILTER_MATCH_ETHER_TYPE; 1202 spec.ether_type = mac_entry->h_proto; 1203 } 1204 break; 1205 1206 default: 1207 return -EINVAL; 1208 } 1209 1210 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) { 1211 if (rule->m_ext.vlan_tci != htons(0xfff)) 1212 return -EINVAL; 1213 spec.match_flags |= EF4_FILTER_MATCH_OUTER_VID; 1214 spec.outer_vid = rule->h_ext.vlan_tci; 1215 } 1216 1217 rc = ef4_filter_insert_filter(efx, &spec, true); 1218 if (rc < 0) 1219 return rc; 1220 1221 rule->location = rc; 1222 return 0; 1223 } 1224 1225 static int ef4_ethtool_set_rxnfc(struct net_device *net_dev, 1226 struct ethtool_rxnfc *info) 1227 { 1228 struct ef4_nic *efx = netdev_priv(net_dev); 1229 1230 if (ef4_filter_get_rx_id_limit(efx) == 0) 1231 return -EOPNOTSUPP; 1232 1233 switch (info->cmd) { 1234 case ETHTOOL_SRXCLSRLINS: 1235 return ef4_ethtool_set_class_rule(efx, &info->fs); 1236 1237 case ETHTOOL_SRXCLSRLDEL: 1238 return ef4_filter_remove_id_safe(efx, EF4_FILTER_PRI_MANUAL, 1239 info->fs.location); 1240 1241 default: 1242 return -EOPNOTSUPP; 1243 } 1244 } 1245 1246 static u32 ef4_ethtool_get_rxfh_indir_size(struct net_device *net_dev) 1247 { 1248 struct ef4_nic *efx = netdev_priv(net_dev); 1249 1250 return ((ef4_nic_rev(efx) < EF4_REV_FALCON_B0 || 1251 efx->n_rx_channels == 1) ? 1252 0 : ARRAY_SIZE(efx->rx_indir_table)); 1253 } 1254 1255 static int ef4_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key, 1256 u8 *hfunc) 1257 { 1258 struct ef4_nic *efx = netdev_priv(net_dev); 1259 1260 if (hfunc) 1261 *hfunc = ETH_RSS_HASH_TOP; 1262 if (indir) 1263 memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table)); 1264 return 0; 1265 } 1266 1267 static int ef4_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir, 1268 const u8 *key, const u8 hfunc) 1269 { 1270 struct ef4_nic *efx = netdev_priv(net_dev); 1271 1272 /* We do not allow change in unsupported parameters */ 1273 if (key || 1274 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1275 return -EOPNOTSUPP; 1276 if (!indir) 1277 return 0; 1278 1279 return efx->type->rx_push_rss_config(efx, true, indir); 1280 } 1281 1282 static int ef4_ethtool_get_module_eeprom(struct net_device *net_dev, 1283 struct ethtool_eeprom *ee, 1284 u8 *data) 1285 { 1286 struct ef4_nic *efx = netdev_priv(net_dev); 1287 int ret; 1288 1289 if (!efx->phy_op || !efx->phy_op->get_module_eeprom) 1290 return -EOPNOTSUPP; 1291 1292 mutex_lock(&efx->mac_lock); 1293 ret = efx->phy_op->get_module_eeprom(efx, ee, data); 1294 mutex_unlock(&efx->mac_lock); 1295 1296 return ret; 1297 } 1298 1299 static int ef4_ethtool_get_module_info(struct net_device *net_dev, 1300 struct ethtool_modinfo *modinfo) 1301 { 1302 struct ef4_nic *efx = netdev_priv(net_dev); 1303 int ret; 1304 1305 if (!efx->phy_op || !efx->phy_op->get_module_info) 1306 return -EOPNOTSUPP; 1307 1308 mutex_lock(&efx->mac_lock); 1309 ret = efx->phy_op->get_module_info(efx, modinfo); 1310 mutex_unlock(&efx->mac_lock); 1311 1312 return ret; 1313 } 1314 1315 const struct ethtool_ops ef4_ethtool_ops = { 1316 .get_drvinfo = ef4_ethtool_get_drvinfo, 1317 .get_regs_len = ef4_ethtool_get_regs_len, 1318 .get_regs = ef4_ethtool_get_regs, 1319 .get_msglevel = ef4_ethtool_get_msglevel, 1320 .set_msglevel = ef4_ethtool_set_msglevel, 1321 .nway_reset = ef4_ethtool_nway_reset, 1322 .get_link = ethtool_op_get_link, 1323 .get_coalesce = ef4_ethtool_get_coalesce, 1324 .set_coalesce = ef4_ethtool_set_coalesce, 1325 .get_ringparam = ef4_ethtool_get_ringparam, 1326 .set_ringparam = ef4_ethtool_set_ringparam, 1327 .get_pauseparam = ef4_ethtool_get_pauseparam, 1328 .set_pauseparam = ef4_ethtool_set_pauseparam, 1329 .get_sset_count = ef4_ethtool_get_sset_count, 1330 .self_test = ef4_ethtool_self_test, 1331 .get_strings = ef4_ethtool_get_strings, 1332 .set_phys_id = ef4_ethtool_phys_id, 1333 .get_ethtool_stats = ef4_ethtool_get_stats, 1334 .get_wol = ef4_ethtool_get_wol, 1335 .set_wol = ef4_ethtool_set_wol, 1336 .reset = ef4_ethtool_reset, 1337 .get_rxnfc = ef4_ethtool_get_rxnfc, 1338 .set_rxnfc = ef4_ethtool_set_rxnfc, 1339 .get_rxfh_indir_size = ef4_ethtool_get_rxfh_indir_size, 1340 .get_rxfh = ef4_ethtool_get_rxfh, 1341 .set_rxfh = ef4_ethtool_set_rxfh, 1342 .get_module_info = ef4_ethtool_get_module_info, 1343 .get_module_eeprom = ef4_ethtool_get_module_eeprom, 1344 .get_link_ksettings = ef4_ethtool_get_link_ksettings, 1345 .set_link_ksettings = ef4_ethtool_set_link_ksettings, 1346 }; 1347