1// SPDX-License-Identifier: GPL-2.0-only 2/**************************************************************************** 3 * Driver for Solarflare network controllers and boards 4 * Copyright 2005-2006 Fen Systems Ltd. 5 * Copyright 2006-2013 Solarflare Communications Inc. 6 */ 7 8#include <linux/netdevice.h> 9#include <linux/ethtool.h> 10#include <linux/rtnetlink.h> 11#include <linux/in.h> 12#include "net_driver.h" 13#include "workarounds.h" 14#include "selftest.h" 15#include "efx.h" 16#include "filter.h" 17#include "nic.h" 18 19struct ef4_sw_stat_desc { 20 const char *name; 21 enum { 22 EF4_ETHTOOL_STAT_SOURCE_nic, 23 EF4_ETHTOOL_STAT_SOURCE_channel, 24 EF4_ETHTOOL_STAT_SOURCE_tx_queue 25 } source; 26 unsigned offset; 27 u64(*get_stat) (void *field); /* Reader function */ 28}; 29 30/* Initialiser for a struct ef4_sw_stat_desc with type-checking */ 31#define EF4_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ 32 get_stat_function) { \ 33 .name = #stat_name, \ 34 .source = EF4_ETHTOOL_STAT_SOURCE_##source_name, \ 35 .offset = ((((field_type *) 0) == \ 36 &((struct ef4_##source_name *)0)->field) ? \ 37 offsetof(struct ef4_##source_name, field) : \ 38 offsetof(struct ef4_##source_name, field)), \ 39 .get_stat = get_stat_function, \ 40} 41 42static u64 ef4_get_uint_stat(void *field) 43{ 44 return *(unsigned int *)field; 45} 46 47static u64 ef4_get_atomic_stat(void *field) 48{ 49 return atomic_read((atomic_t *) field); 50} 51 52#define EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ 53 EF4_ETHTOOL_STAT(field, nic, field, \ 54 atomic_t, ef4_get_atomic_stat) 55 56#define EF4_ETHTOOL_UINT_CHANNEL_STAT(field) \ 57 EF4_ETHTOOL_STAT(field, channel, n_##field, \ 58 unsigned int, ef4_get_uint_stat) 59 60#define EF4_ETHTOOL_UINT_TXQ_STAT(field) \ 61 EF4_ETHTOOL_STAT(tx_##field, tx_queue, field, \ 62 unsigned int, ef4_get_uint_stat) 63 64static const struct ef4_sw_stat_desc ef4_sw_stat_desc[] = { 65 EF4_ETHTOOL_UINT_TXQ_STAT(merge_events), 66 EF4_ETHTOOL_UINT_TXQ_STAT(pushes), 67 EF4_ETHTOOL_UINT_TXQ_STAT(cb_packets), 68 EF4_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), 69 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), 70 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), 71 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), 72 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch), 73 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), 74 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events), 75 EF4_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets), 76}; 77 78#define EF4_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(ef4_sw_stat_desc) 79 80#define EF4_ETHTOOL_EEPROM_MAGIC 0xEFAB 81 82/************************************************************************** 83 * 84 * Ethtool operations 85 * 86 ************************************************************************** 87 */ 88 89/* Identify device by flashing LEDs */ 90static int ef4_ethtool_phys_id(struct net_device *net_dev, 91 enum ethtool_phys_id_state state) 92{ 93 struct ef4_nic *efx = netdev_priv(net_dev); 94 enum ef4_led_mode mode = EF4_LED_DEFAULT; 95 96 switch (state) { 97 case ETHTOOL_ID_ON: 98 mode = EF4_LED_ON; 99 break; 100 case ETHTOOL_ID_OFF: 101 mode = EF4_LED_OFF; 102 break; 103 case ETHTOOL_ID_INACTIVE: 104 mode = EF4_LED_DEFAULT; 105 break; 106 case ETHTOOL_ID_ACTIVE: 107 return 1; /* cycle on/off once per second */ 108 } 109 110 efx->type->set_id_led(efx, mode); 111 return 0; 112} 113 114/* This must be called with rtnl_lock held. */ 115static int 116ef4_ethtool_get_link_ksettings(struct net_device *net_dev, 117 struct ethtool_link_ksettings *cmd) 118{ 119 struct ef4_nic *efx = netdev_priv(net_dev); 120 struct ef4_link_state *link_state = &efx->link_state; 121 122 mutex_lock(&efx->mac_lock); 123 efx->phy_op->get_link_ksettings(efx, cmd); 124 mutex_unlock(&efx->mac_lock); 125 126 /* Both MACs support pause frames (bidirectional and respond-only) */ 127 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); 128 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); 129 130 if (LOOPBACK_INTERNAL(efx)) { 131 cmd->base.speed = link_state->speed; 132 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; 133 } 134 135 return 0; 136} 137 138/* This must be called with rtnl_lock held. */ 139static int 140ef4_ethtool_set_link_ksettings(struct net_device *net_dev, 141 const struct ethtool_link_ksettings *cmd) 142{ 143 struct ef4_nic *efx = netdev_priv(net_dev); 144 int rc; 145 146 /* GMAC does not support 1000Mbps HD */ 147 if ((cmd->base.speed == SPEED_1000) && 148 (cmd->base.duplex != DUPLEX_FULL)) { 149 netif_dbg(efx, drv, efx->net_dev, 150 "rejecting unsupported 1000Mbps HD setting\n"); 151 return -EINVAL; 152 } 153 154 mutex_lock(&efx->mac_lock); 155 rc = efx->phy_op->set_link_ksettings(efx, cmd); 156 mutex_unlock(&efx->mac_lock); 157 return rc; 158} 159 160static void ef4_ethtool_get_drvinfo(struct net_device *net_dev, 161 struct ethtool_drvinfo *info) 162{ 163 struct ef4_nic *efx = netdev_priv(net_dev); 164 165 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); 166 strlcpy(info->version, EF4_DRIVER_VERSION, sizeof(info->version)); 167 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); 168} 169 170static int ef4_ethtool_get_regs_len(struct net_device *net_dev) 171{ 172 return ef4_nic_get_regs_len(netdev_priv(net_dev)); 173} 174 175static void ef4_ethtool_get_regs(struct net_device *net_dev, 176 struct ethtool_regs *regs, void *buf) 177{ 178 struct ef4_nic *efx = netdev_priv(net_dev); 179 180 regs->version = efx->type->revision; 181 ef4_nic_get_regs(efx, buf); 182} 183 184static u32 ef4_ethtool_get_msglevel(struct net_device *net_dev) 185{ 186 struct ef4_nic *efx = netdev_priv(net_dev); 187 return efx->msg_enable; 188} 189 190static void ef4_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) 191{ 192 struct ef4_nic *efx = netdev_priv(net_dev); 193 efx->msg_enable = msg_enable; 194} 195 196/** 197 * ef4_fill_test - fill in an individual self-test entry 198 * @test_index: Index of the test 199 * @strings: Ethtool strings, or %NULL 200 * @data: Ethtool test results, or %NULL 201 * @test: Pointer to test result (used only if data != %NULL) 202 * @unit_format: Unit name format (e.g. "chan\%d") 203 * @unit_id: Unit id (e.g. 0 for "chan0") 204 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") 205 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") 206 * 207 * Fill in an individual self-test entry. 208 */ 209static void ef4_fill_test(unsigned int test_index, u8 *strings, u64 *data, 210 int *test, const char *unit_format, int unit_id, 211 const char *test_format, const char *test_id) 212{ 213 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN]; 214 215 /* Fill data value, if applicable */ 216 if (data) 217 data[test_index] = *test; 218 219 /* Fill string, if applicable */ 220 if (strings) { 221 if (strchr(unit_format, '%')) 222 snprintf(unit_str, sizeof(unit_str), 223 unit_format, unit_id); 224 else 225 strcpy(unit_str, unit_format); 226 snprintf(test_str, sizeof(test_str), test_format, test_id); 227 snprintf(strings + test_index * ETH_GSTRING_LEN, 228 ETH_GSTRING_LEN, 229 "%-6s %-24s", unit_str, test_str); 230 } 231} 232 233#define EF4_CHANNEL_NAME(_channel) "chan%d", _channel->channel 234#define EF4_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue 235#define EF4_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue 236#define EF4_LOOPBACK_NAME(_mode, _counter) \ 237 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, ef4_loopback_mode) 238 239/** 240 * ef4_fill_loopback_test - fill in a block of loopback self-test entries 241 * @efx: Efx NIC 242 * @lb_tests: Efx loopback self-test results structure 243 * @mode: Loopback test mode 244 * @test_index: Starting index of the test 245 * @strings: Ethtool strings, or %NULL 246 * @data: Ethtool test results, or %NULL 247 * 248 * Fill in a block of loopback self-test entries. Return new test 249 * index. 250 */ 251static int ef4_fill_loopback_test(struct ef4_nic *efx, 252 struct ef4_loopback_self_tests *lb_tests, 253 enum ef4_loopback_mode mode, 254 unsigned int test_index, 255 u8 *strings, u64 *data) 256{ 257 struct ef4_channel *channel = 258 ef4_get_channel(efx, efx->tx_channel_offset); 259 struct ef4_tx_queue *tx_queue; 260 261 ef4_for_each_channel_tx_queue(tx_queue, channel) { 262 ef4_fill_test(test_index++, strings, data, 263 &lb_tests->tx_sent[tx_queue->queue], 264 EF4_TX_QUEUE_NAME(tx_queue), 265 EF4_LOOPBACK_NAME(mode, "tx_sent")); 266 ef4_fill_test(test_index++, strings, data, 267 &lb_tests->tx_done[tx_queue->queue], 268 EF4_TX_QUEUE_NAME(tx_queue), 269 EF4_LOOPBACK_NAME(mode, "tx_done")); 270 } 271 ef4_fill_test(test_index++, strings, data, 272 &lb_tests->rx_good, 273 "rx", 0, 274 EF4_LOOPBACK_NAME(mode, "rx_good")); 275 ef4_fill_test(test_index++, strings, data, 276 &lb_tests->rx_bad, 277 "rx", 0, 278 EF4_LOOPBACK_NAME(mode, "rx_bad")); 279 280 return test_index; 281} 282 283/** 284 * ef4_ethtool_fill_self_tests - get self-test details 285 * @efx: Efx NIC 286 * @tests: Efx self-test results structure, or %NULL 287 * @strings: Ethtool strings, or %NULL 288 * @data: Ethtool test results, or %NULL 289 * 290 * Get self-test number of strings, strings, and/or test results. 291 * Return number of strings (== number of test results). 292 * 293 * The reason for merging these three functions is to make sure that 294 * they can never be inconsistent. 295 */ 296static int ef4_ethtool_fill_self_tests(struct ef4_nic *efx, 297 struct ef4_self_tests *tests, 298 u8 *strings, u64 *data) 299{ 300 struct ef4_channel *channel; 301 unsigned int n = 0, i; 302 enum ef4_loopback_mode mode; 303 304 ef4_fill_test(n++, strings, data, &tests->phy_alive, 305 "phy", 0, "alive", NULL); 306 ef4_fill_test(n++, strings, data, &tests->nvram, 307 "core", 0, "nvram", NULL); 308 ef4_fill_test(n++, strings, data, &tests->interrupt, 309 "core", 0, "interrupt", NULL); 310 311 /* Event queues */ 312 ef4_for_each_channel(channel, efx) { 313 ef4_fill_test(n++, strings, data, 314 &tests->eventq_dma[channel->channel], 315 EF4_CHANNEL_NAME(channel), 316 "eventq.dma", NULL); 317 ef4_fill_test(n++, strings, data, 318 &tests->eventq_int[channel->channel], 319 EF4_CHANNEL_NAME(channel), 320 "eventq.int", NULL); 321 } 322 323 ef4_fill_test(n++, strings, data, &tests->memory, 324 "core", 0, "memory", NULL); 325 ef4_fill_test(n++, strings, data, &tests->registers, 326 "core", 0, "registers", NULL); 327 328 if (efx->phy_op->run_tests != NULL) { 329 EF4_BUG_ON_PARANOID(efx->phy_op->test_name == NULL); 330 331 for (i = 0; true; ++i) { 332 const char *name; 333 334 EF4_BUG_ON_PARANOID(i >= EF4_MAX_PHY_TESTS); 335 name = efx->phy_op->test_name(efx, i); 336 if (name == NULL) 337 break; 338 339 ef4_fill_test(n++, strings, data, &tests->phy_ext[i], 340 "phy", 0, name, NULL); 341 } 342 } 343 344 /* Loopback tests */ 345 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { 346 if (!(efx->loopback_modes & (1 << mode))) 347 continue; 348 n = ef4_fill_loopback_test(efx, 349 &tests->loopback[mode], mode, n, 350 strings, data); 351 } 352 353 return n; 354} 355 356static size_t ef4_describe_per_queue_stats(struct ef4_nic *efx, u8 *strings) 357{ 358 size_t n_stats = 0; 359 struct ef4_channel *channel; 360 361 ef4_for_each_channel(channel, efx) { 362 if (ef4_channel_has_tx_queues(channel)) { 363 n_stats++; 364 if (strings != NULL) { 365 snprintf(strings, ETH_GSTRING_LEN, 366 "tx-%u.tx_packets", 367 channel->tx_queue[0].queue / 368 EF4_TXQ_TYPES); 369 370 strings += ETH_GSTRING_LEN; 371 } 372 } 373 } 374 ef4_for_each_channel(channel, efx) { 375 if (ef4_channel_has_rx_queue(channel)) { 376 n_stats++; 377 if (strings != NULL) { 378 snprintf(strings, ETH_GSTRING_LEN, 379 "rx-%d.rx_packets", channel->channel); 380 strings += ETH_GSTRING_LEN; 381 } 382 } 383 } 384 return n_stats; 385} 386 387static int ef4_ethtool_get_sset_count(struct net_device *net_dev, 388 int string_set) 389{ 390 struct ef4_nic *efx = netdev_priv(net_dev); 391 392 switch (string_set) { 393 case ETH_SS_STATS: 394 return efx->type->describe_stats(efx, NULL) + 395 EF4_ETHTOOL_SW_STAT_COUNT + 396 ef4_describe_per_queue_stats(efx, NULL); 397 case ETH_SS_TEST: 398 return ef4_ethtool_fill_self_tests(efx, NULL, NULL, NULL); 399 default: 400 return -EINVAL; 401 } 402} 403 404static void ef4_ethtool_get_strings(struct net_device *net_dev, 405 u32 string_set, u8 *strings) 406{ 407 struct ef4_nic *efx = netdev_priv(net_dev); 408 int i; 409 410 switch (string_set) { 411 case ETH_SS_STATS: 412 strings += (efx->type->describe_stats(efx, strings) * 413 ETH_GSTRING_LEN); 414 for (i = 0; i < EF4_ETHTOOL_SW_STAT_COUNT; i++) 415 strlcpy(strings + i * ETH_GSTRING_LEN, 416 ef4_sw_stat_desc[i].name, ETH_GSTRING_LEN); 417 strings += EF4_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN; 418 strings += (ef4_describe_per_queue_stats(efx, strings) * 419 ETH_GSTRING_LEN); 420 break; 421 case ETH_SS_TEST: 422 ef4_ethtool_fill_self_tests(efx, NULL, strings, NULL); 423 break; 424 default: 425 /* No other string sets */ 426 break; 427 } 428} 429 430static void ef4_ethtool_get_stats(struct net_device *net_dev, 431 struct ethtool_stats *stats, 432 u64 *data) 433{ 434 struct ef4_nic *efx = netdev_priv(net_dev); 435 const struct ef4_sw_stat_desc *stat; 436 struct ef4_channel *channel; 437 struct ef4_tx_queue *tx_queue; 438 struct ef4_rx_queue *rx_queue; 439 int i; 440 441 spin_lock_bh(&efx->stats_lock); 442 443 /* Get NIC statistics */ 444 data += efx->type->update_stats(efx, data, NULL); 445 446 /* Get software statistics */ 447 for (i = 0; i < EF4_ETHTOOL_SW_STAT_COUNT; i++) { 448 stat = &ef4_sw_stat_desc[i]; 449 switch (stat->source) { 450 case EF4_ETHTOOL_STAT_SOURCE_nic: 451 data[i] = stat->get_stat((void *)efx + stat->offset); 452 break; 453 case EF4_ETHTOOL_STAT_SOURCE_channel: 454 data[i] = 0; 455 ef4_for_each_channel(channel, efx) 456 data[i] += stat->get_stat((void *)channel + 457 stat->offset); 458 break; 459 case EF4_ETHTOOL_STAT_SOURCE_tx_queue: 460 data[i] = 0; 461 ef4_for_each_channel(channel, efx) { 462 ef4_for_each_channel_tx_queue(tx_queue, channel) 463 data[i] += 464 stat->get_stat((void *)tx_queue 465 + stat->offset); 466 } 467 break; 468 } 469 } 470 data += EF4_ETHTOOL_SW_STAT_COUNT; 471 472 spin_unlock_bh(&efx->stats_lock); 473 474 ef4_for_each_channel(channel, efx) { 475 if (ef4_channel_has_tx_queues(channel)) { 476 *data = 0; 477 ef4_for_each_channel_tx_queue(tx_queue, channel) { 478 *data += tx_queue->tx_packets; 479 } 480 data++; 481 } 482 } 483 ef4_for_each_channel(channel, efx) { 484 if (ef4_channel_has_rx_queue(channel)) { 485 *data = 0; 486 ef4_for_each_channel_rx_queue(rx_queue, channel) { 487 *data += rx_queue->rx_packets; 488 } 489 data++; 490 } 491 } 492} 493 494static void ef4_ethtool_self_test(struct net_device *net_dev, 495 struct ethtool_test *test, u64 *data) 496{ 497 struct ef4_nic *efx = netdev_priv(net_dev); 498 struct ef4_self_tests *ef4_tests; 499 bool already_up; 500 int rc = -ENOMEM; 501 502 ef4_tests = kzalloc(sizeof(*ef4_tests), GFP_KERNEL); 503 if (!ef4_tests) 504 goto fail; 505 506 if (efx->state != STATE_READY) { 507 rc = -EBUSY; 508 goto out; 509 } 510 511 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", 512 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 513 514 /* We need rx buffers and interrupts. */ 515 already_up = (efx->net_dev->flags & IFF_UP); 516 if (!already_up) { 517 rc = dev_open(efx->net_dev, NULL); 518 if (rc) { 519 netif_err(efx, drv, efx->net_dev, 520 "failed opening device.\n"); 521 goto out; 522 } 523 } 524 525 rc = ef4_selftest(efx, ef4_tests, test->flags); 526 527 if (!already_up) 528 dev_close(efx->net_dev); 529 530 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", 531 rc == 0 ? "passed" : "failed", 532 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 533 534out: 535 ef4_ethtool_fill_self_tests(efx, ef4_tests, NULL, data); 536 kfree(ef4_tests); 537fail: 538 if (rc) 539 test->flags |= ETH_TEST_FL_FAILED; 540} 541 542/* Restart autonegotiation */ 543static int ef4_ethtool_nway_reset(struct net_device *net_dev) 544{ 545 struct ef4_nic *efx = netdev_priv(net_dev); 546 547 return mdio45_nway_restart(&efx->mdio); 548} 549 550/* 551 * Each channel has a single IRQ and moderation timer, started by any 552 * completion (or other event). Unless the module parameter 553 * separate_tx_channels is set, IRQs and moderation are therefore 554 * shared between RX and TX completions. In this case, when RX IRQ 555 * moderation is explicitly changed then TX IRQ moderation is 556 * automatically changed too, but otherwise we fail if the two values 557 * are requested to be different. 558 * 559 * The hardware does not support a limit on the number of completions 560 * before an IRQ, so we do not use the max_frames fields. We should 561 * report and require that max_frames == (usecs != 0), but this would 562 * invalidate existing user documentation. 563 * 564 * The hardware does not have distinct settings for interrupt 565 * moderation while the previous IRQ is being handled, so we should 566 * not use the 'irq' fields. However, an earlier developer 567 * misunderstood the meaning of the 'irq' fields and the driver did 568 * not support the standard fields. To avoid invalidating existing 569 * user documentation, we report and accept changes through either the 570 * standard or 'irq' fields. If both are changed at the same time, we 571 * prefer the standard field. 572 * 573 * We implement adaptive IRQ moderation, but use a different algorithm 574 * from that assumed in the definition of struct ethtool_coalesce. 575 * Therefore we do not use any of the adaptive moderation parameters 576 * in it. 577 */ 578 579static int ef4_ethtool_get_coalesce(struct net_device *net_dev, 580 struct ethtool_coalesce *coalesce) 581{ 582 struct ef4_nic *efx = netdev_priv(net_dev); 583 unsigned int tx_usecs, rx_usecs; 584 bool rx_adaptive; 585 586 ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive); 587 588 coalesce->tx_coalesce_usecs = tx_usecs; 589 coalesce->tx_coalesce_usecs_irq = tx_usecs; 590 coalesce->rx_coalesce_usecs = rx_usecs; 591 coalesce->rx_coalesce_usecs_irq = rx_usecs; 592 coalesce->use_adaptive_rx_coalesce = rx_adaptive; 593 594 return 0; 595} 596 597static int ef4_ethtool_set_coalesce(struct net_device *net_dev, 598 struct ethtool_coalesce *coalesce) 599{ 600 struct ef4_nic *efx = netdev_priv(net_dev); 601 struct ef4_channel *channel; 602 unsigned int tx_usecs, rx_usecs; 603 bool adaptive, rx_may_override_tx; 604 int rc; 605 606 ef4_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); 607 608 if (coalesce->rx_coalesce_usecs != rx_usecs) 609 rx_usecs = coalesce->rx_coalesce_usecs; 610 else 611 rx_usecs = coalesce->rx_coalesce_usecs_irq; 612 613 adaptive = coalesce->use_adaptive_rx_coalesce; 614 615 /* If channels are shared, TX IRQ moderation can be quietly 616 * overridden unless it is changed from its old value. 617 */ 618 rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs && 619 coalesce->tx_coalesce_usecs_irq == tx_usecs); 620 if (coalesce->tx_coalesce_usecs != tx_usecs) 621 tx_usecs = coalesce->tx_coalesce_usecs; 622 else 623 tx_usecs = coalesce->tx_coalesce_usecs_irq; 624 625 rc = ef4_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive, 626 rx_may_override_tx); 627 if (rc != 0) 628 return rc; 629 630 ef4_for_each_channel(channel, efx) 631 efx->type->push_irq_moderation(channel); 632 633 return 0; 634} 635 636static void ef4_ethtool_get_ringparam(struct net_device *net_dev, 637 struct ethtool_ringparam *ring) 638{ 639 struct ef4_nic *efx = netdev_priv(net_dev); 640 641 ring->rx_max_pending = EF4_MAX_DMAQ_SIZE; 642 ring->tx_max_pending = EF4_MAX_DMAQ_SIZE; 643 ring->rx_pending = efx->rxq_entries; 644 ring->tx_pending = efx->txq_entries; 645} 646 647static int ef4_ethtool_set_ringparam(struct net_device *net_dev, 648 struct ethtool_ringparam *ring) 649{ 650 struct ef4_nic *efx = netdev_priv(net_dev); 651 u32 txq_entries; 652 653 if (ring->rx_mini_pending || ring->rx_jumbo_pending || 654 ring->rx_pending > EF4_MAX_DMAQ_SIZE || 655 ring->tx_pending > EF4_MAX_DMAQ_SIZE) 656 return -EINVAL; 657 658 if (ring->rx_pending < EF4_RXQ_MIN_ENT) { 659 netif_err(efx, drv, efx->net_dev, 660 "RX queues cannot be smaller than %u\n", 661 EF4_RXQ_MIN_ENT); 662 return -EINVAL; 663 } 664 665 txq_entries = max(ring->tx_pending, EF4_TXQ_MIN_ENT(efx)); 666 if (txq_entries != ring->tx_pending) 667 netif_warn(efx, drv, efx->net_dev, 668 "increasing TX queue size to minimum of %u\n", 669 txq_entries); 670 671 return ef4_realloc_channels(efx, ring->rx_pending, txq_entries); 672} 673 674static int ef4_ethtool_set_pauseparam(struct net_device *net_dev, 675 struct ethtool_pauseparam *pause) 676{ 677 struct ef4_nic *efx = netdev_priv(net_dev); 678 u8 wanted_fc, old_fc; 679 u32 old_adv; 680 int rc = 0; 681 682 mutex_lock(&efx->mac_lock); 683 684 wanted_fc = ((pause->rx_pause ? EF4_FC_RX : 0) | 685 (pause->tx_pause ? EF4_FC_TX : 0) | 686 (pause->autoneg ? EF4_FC_AUTO : 0)); 687 688 if ((wanted_fc & EF4_FC_TX) && !(wanted_fc & EF4_FC_RX)) { 689 netif_dbg(efx, drv, efx->net_dev, 690 "Flow control unsupported: tx ON rx OFF\n"); 691 rc = -EINVAL; 692 goto out; 693 } 694 695 if ((wanted_fc & EF4_FC_AUTO) && !efx->link_advertising) { 696 netif_dbg(efx, drv, efx->net_dev, 697 "Autonegotiation is disabled\n"); 698 rc = -EINVAL; 699 goto out; 700 } 701 702 /* Hook for Falcon bug 11482 workaround */ 703 if (efx->type->prepare_enable_fc_tx && 704 (wanted_fc & EF4_FC_TX) && !(efx->wanted_fc & EF4_FC_TX)) 705 efx->type->prepare_enable_fc_tx(efx); 706 707 old_adv = efx->link_advertising; 708 old_fc = efx->wanted_fc; 709 ef4_link_set_wanted_fc(efx, wanted_fc); 710 if (efx->link_advertising != old_adv || 711 (efx->wanted_fc ^ old_fc) & EF4_FC_AUTO) { 712 rc = efx->phy_op->reconfigure(efx); 713 if (rc) { 714 netif_err(efx, drv, efx->net_dev, 715 "Unable to advertise requested flow " 716 "control setting\n"); 717 goto out; 718 } 719 } 720 721 /* Reconfigure the MAC. The PHY *may* generate a link state change event 722 * if the user just changed the advertised capabilities, but there's no 723 * harm doing this twice */ 724 ef4_mac_reconfigure(efx); 725 726out: 727 mutex_unlock(&efx->mac_lock); 728 729 return rc; 730} 731 732static void ef4_ethtool_get_pauseparam(struct net_device *net_dev, 733 struct ethtool_pauseparam *pause) 734{ 735 struct ef4_nic *efx = netdev_priv(net_dev); 736 737 pause->rx_pause = !!(efx->wanted_fc & EF4_FC_RX); 738 pause->tx_pause = !!(efx->wanted_fc & EF4_FC_TX); 739 pause->autoneg = !!(efx->wanted_fc & EF4_FC_AUTO); 740} 741 742static void ef4_ethtool_get_wol(struct net_device *net_dev, 743 struct ethtool_wolinfo *wol) 744{ 745 struct ef4_nic *efx = netdev_priv(net_dev); 746 return efx->type->get_wol(efx, wol); 747} 748 749 750static int ef4_ethtool_set_wol(struct net_device *net_dev, 751 struct ethtool_wolinfo *wol) 752{ 753 struct ef4_nic *efx = netdev_priv(net_dev); 754 return efx->type->set_wol(efx, wol->wolopts); 755} 756 757static int ef4_ethtool_reset(struct net_device *net_dev, u32 *flags) 758{ 759 struct ef4_nic *efx = netdev_priv(net_dev); 760 int rc; 761 762 rc = efx->type->map_reset_flags(flags); 763 if (rc < 0) 764 return rc; 765 766 return ef4_reset(efx, rc); 767} 768 769/* MAC address mask including only I/G bit */ 770static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0}; 771 772#define IP4_ADDR_FULL_MASK ((__force __be32)~0) 773#define IP_PROTO_FULL_MASK 0xFF 774#define PORT_FULL_MASK ((__force __be16)~0) 775#define ETHER_TYPE_FULL_MASK ((__force __be16)~0) 776 777static inline void ip6_fill_mask(__be32 *mask) 778{ 779 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0; 780} 781 782static int ef4_ethtool_get_class_rule(struct ef4_nic *efx, 783 struct ethtool_rx_flow_spec *rule) 784{ 785 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 786 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 787 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 788 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 789 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 790 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 791 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 792 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 793 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 794 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 795 struct ef4_filter_spec spec; 796 int rc; 797 798 rc = ef4_filter_get_filter_safe(efx, EF4_FILTER_PRI_MANUAL, 799 rule->location, &spec); 800 if (rc) 801 return rc; 802 803 if (spec.dmaq_id == EF4_FILTER_RX_DMAQ_ID_DROP) 804 rule->ring_cookie = RX_CLS_FLOW_DISC; 805 else 806 rule->ring_cookie = spec.dmaq_id; 807 808 if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) && 809 spec.ether_type == htons(ETH_P_IP) && 810 (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) && 811 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 812 !(spec.match_flags & 813 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 814 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 815 EF4_FILTER_MATCH_IP_PROTO | 816 EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) { 817 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 818 TCP_V4_FLOW : UDP_V4_FLOW); 819 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 820 ip_entry->ip4dst = spec.loc_host[0]; 821 ip_mask->ip4dst = IP4_ADDR_FULL_MASK; 822 } 823 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 824 ip_entry->ip4src = spec.rem_host[0]; 825 ip_mask->ip4src = IP4_ADDR_FULL_MASK; 826 } 827 if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) { 828 ip_entry->pdst = spec.loc_port; 829 ip_mask->pdst = PORT_FULL_MASK; 830 } 831 if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) { 832 ip_entry->psrc = spec.rem_port; 833 ip_mask->psrc = PORT_FULL_MASK; 834 } 835 } else if ((spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) && 836 spec.ether_type == htons(ETH_P_IPV6) && 837 (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) && 838 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 839 !(spec.match_flags & 840 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 841 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 842 EF4_FILTER_MATCH_IP_PROTO | 843 EF4_FILTER_MATCH_LOC_PORT | EF4_FILTER_MATCH_REM_PORT))) { 844 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 845 TCP_V6_FLOW : UDP_V6_FLOW); 846 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 847 memcpy(ip6_entry->ip6dst, spec.loc_host, 848 sizeof(ip6_entry->ip6dst)); 849 ip6_fill_mask(ip6_mask->ip6dst); 850 } 851 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 852 memcpy(ip6_entry->ip6src, spec.rem_host, 853 sizeof(ip6_entry->ip6src)); 854 ip6_fill_mask(ip6_mask->ip6src); 855 } 856 if (spec.match_flags & EF4_FILTER_MATCH_LOC_PORT) { 857 ip6_entry->pdst = spec.loc_port; 858 ip6_mask->pdst = PORT_FULL_MASK; 859 } 860 if (spec.match_flags & EF4_FILTER_MATCH_REM_PORT) { 861 ip6_entry->psrc = spec.rem_port; 862 ip6_mask->psrc = PORT_FULL_MASK; 863 } 864 } else if (!(spec.match_flags & 865 ~(EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG | 866 EF4_FILTER_MATCH_REM_MAC | EF4_FILTER_MATCH_ETHER_TYPE | 867 EF4_FILTER_MATCH_OUTER_VID))) { 868 rule->flow_type = ETHER_FLOW; 869 if (spec.match_flags & 870 (EF4_FILTER_MATCH_LOC_MAC | EF4_FILTER_MATCH_LOC_MAC_IG)) { 871 ether_addr_copy(mac_entry->h_dest, spec.loc_mac); 872 if (spec.match_flags & EF4_FILTER_MATCH_LOC_MAC) 873 eth_broadcast_addr(mac_mask->h_dest); 874 else 875 ether_addr_copy(mac_mask->h_dest, 876 mac_addr_ig_mask); 877 } 878 if (spec.match_flags & EF4_FILTER_MATCH_REM_MAC) { 879 ether_addr_copy(mac_entry->h_source, spec.rem_mac); 880 eth_broadcast_addr(mac_mask->h_source); 881 } 882 if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE) { 883 mac_entry->h_proto = spec.ether_type; 884 mac_mask->h_proto = ETHER_TYPE_FULL_MASK; 885 } 886 } else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE && 887 spec.ether_type == htons(ETH_P_IP) && 888 !(spec.match_flags & 889 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 890 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 891 EF4_FILTER_MATCH_IP_PROTO))) { 892 rule->flow_type = IPV4_USER_FLOW; 893 uip_entry->ip_ver = ETH_RX_NFC_IP4; 894 if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) { 895 uip_mask->proto = IP_PROTO_FULL_MASK; 896 uip_entry->proto = spec.ip_proto; 897 } 898 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 899 uip_entry->ip4dst = spec.loc_host[0]; 900 uip_mask->ip4dst = IP4_ADDR_FULL_MASK; 901 } 902 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 903 uip_entry->ip4src = spec.rem_host[0]; 904 uip_mask->ip4src = IP4_ADDR_FULL_MASK; 905 } 906 } else if (spec.match_flags & EF4_FILTER_MATCH_ETHER_TYPE && 907 spec.ether_type == htons(ETH_P_IPV6) && 908 !(spec.match_flags & 909 ~(EF4_FILTER_MATCH_ETHER_TYPE | EF4_FILTER_MATCH_OUTER_VID | 910 EF4_FILTER_MATCH_LOC_HOST | EF4_FILTER_MATCH_REM_HOST | 911 EF4_FILTER_MATCH_IP_PROTO))) { 912 rule->flow_type = IPV6_USER_FLOW; 913 if (spec.match_flags & EF4_FILTER_MATCH_IP_PROTO) { 914 uip6_mask->l4_proto = IP_PROTO_FULL_MASK; 915 uip6_entry->l4_proto = spec.ip_proto; 916 } 917 if (spec.match_flags & EF4_FILTER_MATCH_LOC_HOST) { 918 memcpy(uip6_entry->ip6dst, spec.loc_host, 919 sizeof(uip6_entry->ip6dst)); 920 ip6_fill_mask(uip6_mask->ip6dst); 921 } 922 if (spec.match_flags & EF4_FILTER_MATCH_REM_HOST) { 923 memcpy(uip6_entry->ip6src, spec.rem_host, 924 sizeof(uip6_entry->ip6src)); 925 ip6_fill_mask(uip6_mask->ip6src); 926 } 927 } else { 928 /* The above should handle all filters that we insert */ 929 WARN_ON(1); 930 return -EINVAL; 931 } 932 933 if (spec.match_flags & EF4_FILTER_MATCH_OUTER_VID) { 934 rule->flow_type |= FLOW_EXT; 935 rule->h_ext.vlan_tci = spec.outer_vid; 936 rule->m_ext.vlan_tci = htons(0xfff); 937 } 938 939 return rc; 940} 941 942static int 943ef4_ethtool_get_rxnfc(struct net_device *net_dev, 944 struct ethtool_rxnfc *info, u32 *rule_locs) 945{ 946 struct ef4_nic *efx = netdev_priv(net_dev); 947 948 switch (info->cmd) { 949 case ETHTOOL_GRXRINGS: 950 info->data = efx->n_rx_channels; 951 return 0; 952 953 case ETHTOOL_GRXFH: { 954 unsigned min_revision = 0; 955 956 info->data = 0; 957 switch (info->flow_type) { 958 case TCP_V4_FLOW: 959 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 960 fallthrough; 961 case UDP_V4_FLOW: 962 case SCTP_V4_FLOW: 963 case AH_ESP_V4_FLOW: 964 case IPV4_FLOW: 965 info->data |= RXH_IP_SRC | RXH_IP_DST; 966 min_revision = EF4_REV_FALCON_B0; 967 break; 968 default: 969 break; 970 } 971 if (ef4_nic_rev(efx) < min_revision) 972 info->data = 0; 973 return 0; 974 } 975 976 case ETHTOOL_GRXCLSRLCNT: 977 info->data = ef4_filter_get_rx_id_limit(efx); 978 if (info->data == 0) 979 return -EOPNOTSUPP; 980 info->data |= RX_CLS_LOC_SPECIAL; 981 info->rule_cnt = 982 ef4_filter_count_rx_used(efx, EF4_FILTER_PRI_MANUAL); 983 return 0; 984 985 case ETHTOOL_GRXCLSRULE: 986 if (ef4_filter_get_rx_id_limit(efx) == 0) 987 return -EOPNOTSUPP; 988 return ef4_ethtool_get_class_rule(efx, &info->fs); 989 990 case ETHTOOL_GRXCLSRLALL: { 991 s32 rc; 992 info->data = ef4_filter_get_rx_id_limit(efx); 993 if (info->data == 0) 994 return -EOPNOTSUPP; 995 rc = ef4_filter_get_rx_ids(efx, EF4_FILTER_PRI_MANUAL, 996 rule_locs, info->rule_cnt); 997 if (rc < 0) 998 return rc; 999 info->rule_cnt = rc; 1000 return 0; 1001 } 1002 1003 default: 1004 return -EOPNOTSUPP; 1005 } 1006} 1007 1008static inline bool ip6_mask_is_full(__be32 mask[4]) 1009{ 1010 return !~(mask[0] & mask[1] & mask[2] & mask[3]); 1011} 1012 1013static inline bool ip6_mask_is_empty(__be32 mask[4]) 1014{ 1015 return !(mask[0] | mask[1] | mask[2] | mask[3]); 1016} 1017 1018static int ef4_ethtool_set_class_rule(struct ef4_nic *efx, 1019 struct ethtool_rx_flow_spec *rule) 1020{ 1021 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 1022 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 1023 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 1024 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 1025 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 1026 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 1027 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 1028 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 1029 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 1030 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 1031 struct ef4_filter_spec spec; 1032 int rc; 1033 1034 /* Check that user wants us to choose the location */ 1035 if (rule->location != RX_CLS_LOC_ANY) 1036 return -EINVAL; 1037 1038 /* Range-check ring_cookie */ 1039 if (rule->ring_cookie >= efx->n_rx_channels && 1040 rule->ring_cookie != RX_CLS_FLOW_DISC) 1041 return -EINVAL; 1042 1043 /* Check for unsupported extensions */ 1044 if ((rule->flow_type & FLOW_EXT) && 1045 (rule->m_ext.vlan_etype || rule->m_ext.data[0] || 1046 rule->m_ext.data[1])) 1047 return -EINVAL; 1048 1049 ef4_filter_init_rx(&spec, EF4_FILTER_PRI_MANUAL, 1050 efx->rx_scatter ? EF4_FILTER_FLAG_RX_SCATTER : 0, 1051 (rule->ring_cookie == RX_CLS_FLOW_DISC) ? 1052 EF4_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie); 1053 1054 switch (rule->flow_type & ~FLOW_EXT) { 1055 case TCP_V4_FLOW: 1056 case UDP_V4_FLOW: 1057 spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE | 1058 EF4_FILTER_MATCH_IP_PROTO); 1059 spec.ether_type = htons(ETH_P_IP); 1060 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ? 1061 IPPROTO_TCP : IPPROTO_UDP); 1062 if (ip_mask->ip4dst) { 1063 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1064 return -EINVAL; 1065 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1066 spec.loc_host[0] = ip_entry->ip4dst; 1067 } 1068 if (ip_mask->ip4src) { 1069 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK) 1070 return -EINVAL; 1071 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1072 spec.rem_host[0] = ip_entry->ip4src; 1073 } 1074 if (ip_mask->pdst) { 1075 if (ip_mask->pdst != PORT_FULL_MASK) 1076 return -EINVAL; 1077 spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT; 1078 spec.loc_port = ip_entry->pdst; 1079 } 1080 if (ip_mask->psrc) { 1081 if (ip_mask->psrc != PORT_FULL_MASK) 1082 return -EINVAL; 1083 spec.match_flags |= EF4_FILTER_MATCH_REM_PORT; 1084 spec.rem_port = ip_entry->psrc; 1085 } 1086 if (ip_mask->tos) 1087 return -EINVAL; 1088 break; 1089 1090 case TCP_V6_FLOW: 1091 case UDP_V6_FLOW: 1092 spec.match_flags = (EF4_FILTER_MATCH_ETHER_TYPE | 1093 EF4_FILTER_MATCH_IP_PROTO); 1094 spec.ether_type = htons(ETH_P_IPV6); 1095 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ? 1096 IPPROTO_TCP : IPPROTO_UDP); 1097 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) { 1098 if (!ip6_mask_is_full(ip6_mask->ip6dst)) 1099 return -EINVAL; 1100 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1101 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host)); 1102 } 1103 if (!ip6_mask_is_empty(ip6_mask->ip6src)) { 1104 if (!ip6_mask_is_full(ip6_mask->ip6src)) 1105 return -EINVAL; 1106 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1107 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host)); 1108 } 1109 if (ip6_mask->pdst) { 1110 if (ip6_mask->pdst != PORT_FULL_MASK) 1111 return -EINVAL; 1112 spec.match_flags |= EF4_FILTER_MATCH_LOC_PORT; 1113 spec.loc_port = ip6_entry->pdst; 1114 } 1115 if (ip6_mask->psrc) { 1116 if (ip6_mask->psrc != PORT_FULL_MASK) 1117 return -EINVAL; 1118 spec.match_flags |= EF4_FILTER_MATCH_REM_PORT; 1119 spec.rem_port = ip6_entry->psrc; 1120 } 1121 if (ip6_mask->tclass) 1122 return -EINVAL; 1123 break; 1124 1125 case IPV4_USER_FLOW: 1126 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver || 1127 uip_entry->ip_ver != ETH_RX_NFC_IP4) 1128 return -EINVAL; 1129 spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE; 1130 spec.ether_type = htons(ETH_P_IP); 1131 if (uip_mask->ip4dst) { 1132 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1133 return -EINVAL; 1134 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1135 spec.loc_host[0] = uip_entry->ip4dst; 1136 } 1137 if (uip_mask->ip4src) { 1138 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK) 1139 return -EINVAL; 1140 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1141 spec.rem_host[0] = uip_entry->ip4src; 1142 } 1143 if (uip_mask->proto) { 1144 if (uip_mask->proto != IP_PROTO_FULL_MASK) 1145 return -EINVAL; 1146 spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO; 1147 spec.ip_proto = uip_entry->proto; 1148 } 1149 break; 1150 1151 case IPV6_USER_FLOW: 1152 if (uip6_mask->l4_4_bytes || uip6_mask->tclass) 1153 return -EINVAL; 1154 spec.match_flags = EF4_FILTER_MATCH_ETHER_TYPE; 1155 spec.ether_type = htons(ETH_P_IPV6); 1156 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) { 1157 if (!ip6_mask_is_full(uip6_mask->ip6dst)) 1158 return -EINVAL; 1159 spec.match_flags |= EF4_FILTER_MATCH_LOC_HOST; 1160 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host)); 1161 } 1162 if (!ip6_mask_is_empty(uip6_mask->ip6src)) { 1163 if (!ip6_mask_is_full(uip6_mask->ip6src)) 1164 return -EINVAL; 1165 spec.match_flags |= EF4_FILTER_MATCH_REM_HOST; 1166 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host)); 1167 } 1168 if (uip6_mask->l4_proto) { 1169 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK) 1170 return -EINVAL; 1171 spec.match_flags |= EF4_FILTER_MATCH_IP_PROTO; 1172 spec.ip_proto = uip6_entry->l4_proto; 1173 } 1174 break; 1175 1176 case ETHER_FLOW: 1177 if (!is_zero_ether_addr(mac_mask->h_dest)) { 1178 if (ether_addr_equal(mac_mask->h_dest, 1179 mac_addr_ig_mask)) 1180 spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC_IG; 1181 else if (is_broadcast_ether_addr(mac_mask->h_dest)) 1182 spec.match_flags |= EF4_FILTER_MATCH_LOC_MAC; 1183 else 1184 return -EINVAL; 1185 ether_addr_copy(spec.loc_mac, mac_entry->h_dest); 1186 } 1187 if (!is_zero_ether_addr(mac_mask->h_source)) { 1188 if (!is_broadcast_ether_addr(mac_mask->h_source)) 1189 return -EINVAL; 1190 spec.match_flags |= EF4_FILTER_MATCH_REM_MAC; 1191 ether_addr_copy(spec.rem_mac, mac_entry->h_source); 1192 } 1193 if (mac_mask->h_proto) { 1194 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK) 1195 return -EINVAL; 1196 spec.match_flags |= EF4_FILTER_MATCH_ETHER_TYPE; 1197 spec.ether_type = mac_entry->h_proto; 1198 } 1199 break; 1200 1201 default: 1202 return -EINVAL; 1203 } 1204 1205 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) { 1206 if (rule->m_ext.vlan_tci != htons(0xfff)) 1207 return -EINVAL; 1208 spec.match_flags |= EF4_FILTER_MATCH_OUTER_VID; 1209 spec.outer_vid = rule->h_ext.vlan_tci; 1210 } 1211 1212 rc = ef4_filter_insert_filter(efx, &spec, true); 1213 if (rc < 0) 1214 return rc; 1215 1216 rule->location = rc; 1217 return 0; 1218} 1219 1220static int ef4_ethtool_set_rxnfc(struct net_device *net_dev, 1221 struct ethtool_rxnfc *info) 1222{ 1223 struct ef4_nic *efx = netdev_priv(net_dev); 1224 1225 if (ef4_filter_get_rx_id_limit(efx) == 0) 1226 return -EOPNOTSUPP; 1227 1228 switch (info->cmd) { 1229 case ETHTOOL_SRXCLSRLINS: 1230 return ef4_ethtool_set_class_rule(efx, &info->fs); 1231 1232 case ETHTOOL_SRXCLSRLDEL: 1233 return ef4_filter_remove_id_safe(efx, EF4_FILTER_PRI_MANUAL, 1234 info->fs.location); 1235 1236 default: 1237 return -EOPNOTSUPP; 1238 } 1239} 1240 1241static u32 ef4_ethtool_get_rxfh_indir_size(struct net_device *net_dev) 1242{ 1243 struct ef4_nic *efx = netdev_priv(net_dev); 1244 1245 return ((ef4_nic_rev(efx) < EF4_REV_FALCON_B0 || 1246 efx->n_rx_channels == 1) ? 1247 0 : ARRAY_SIZE(efx->rx_indir_table)); 1248} 1249 1250static int ef4_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key, 1251 u8 *hfunc) 1252{ 1253 struct ef4_nic *efx = netdev_priv(net_dev); 1254 1255 if (hfunc) 1256 *hfunc = ETH_RSS_HASH_TOP; 1257 if (indir) 1258 memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table)); 1259 return 0; 1260} 1261 1262static int ef4_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir, 1263 const u8 *key, const u8 hfunc) 1264{ 1265 struct ef4_nic *efx = netdev_priv(net_dev); 1266 1267 /* We do not allow change in unsupported parameters */ 1268 if (key || 1269 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1270 return -EOPNOTSUPP; 1271 if (!indir) 1272 return 0; 1273 1274 return efx->type->rx_push_rss_config(efx, true, indir); 1275} 1276 1277static int ef4_ethtool_get_module_eeprom(struct net_device *net_dev, 1278 struct ethtool_eeprom *ee, 1279 u8 *data) 1280{ 1281 struct ef4_nic *efx = netdev_priv(net_dev); 1282 int ret; 1283 1284 if (!efx->phy_op || !efx->phy_op->get_module_eeprom) 1285 return -EOPNOTSUPP; 1286 1287 mutex_lock(&efx->mac_lock); 1288 ret = efx->phy_op->get_module_eeprom(efx, ee, data); 1289 mutex_unlock(&efx->mac_lock); 1290 1291 return ret; 1292} 1293 1294static int ef4_ethtool_get_module_info(struct net_device *net_dev, 1295 struct ethtool_modinfo *modinfo) 1296{ 1297 struct ef4_nic *efx = netdev_priv(net_dev); 1298 int ret; 1299 1300 if (!efx->phy_op || !efx->phy_op->get_module_info) 1301 return -EOPNOTSUPP; 1302 1303 mutex_lock(&efx->mac_lock); 1304 ret = efx->phy_op->get_module_info(efx, modinfo); 1305 mutex_unlock(&efx->mac_lock); 1306 1307 return ret; 1308} 1309 1310const struct ethtool_ops ef4_ethtool_ops = { 1311 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 1312 ETHTOOL_COALESCE_USECS_IRQ | 1313 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 1314 .get_drvinfo = ef4_ethtool_get_drvinfo, 1315 .get_regs_len = ef4_ethtool_get_regs_len, 1316 .get_regs = ef4_ethtool_get_regs, 1317 .get_msglevel = ef4_ethtool_get_msglevel, 1318 .set_msglevel = ef4_ethtool_set_msglevel, 1319 .nway_reset = ef4_ethtool_nway_reset, 1320 .get_link = ethtool_op_get_link, 1321 .get_coalesce = ef4_ethtool_get_coalesce, 1322 .set_coalesce = ef4_ethtool_set_coalesce, 1323 .get_ringparam = ef4_ethtool_get_ringparam, 1324 .set_ringparam = ef4_ethtool_set_ringparam, 1325 .get_pauseparam = ef4_ethtool_get_pauseparam, 1326 .set_pauseparam = ef4_ethtool_set_pauseparam, 1327 .get_sset_count = ef4_ethtool_get_sset_count, 1328 .self_test = ef4_ethtool_self_test, 1329 .get_strings = ef4_ethtool_get_strings, 1330 .set_phys_id = ef4_ethtool_phys_id, 1331 .get_ethtool_stats = ef4_ethtool_get_stats, 1332 .get_wol = ef4_ethtool_get_wol, 1333 .set_wol = ef4_ethtool_set_wol, 1334 .reset = ef4_ethtool_reset, 1335 .get_rxnfc = ef4_ethtool_get_rxnfc, 1336 .set_rxnfc = ef4_ethtool_set_rxnfc, 1337 .get_rxfh_indir_size = ef4_ethtool_get_rxfh_indir_size, 1338 .get_rxfh = ef4_ethtool_get_rxfh, 1339 .set_rxfh = ef4_ethtool_set_rxfh, 1340 .get_module_info = ef4_ethtool_get_module_info, 1341 .get_module_eeprom = ef4_ethtool_get_module_eeprom, 1342 .get_link_ksettings = ef4_ethtool_get_link_ksettings, 1343 .set_link_ksettings = ef4_ethtool_set_link_ksettings, 1344}; 1345