1 // SPDX-License-Identifier: GPL-2.0-only 2 /**************************************************************************** 3 * Driver for Solarflare network controllers and boards 4 * Copyright 2019 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 #include <linux/module.h> 11 #include <linux/netdevice.h> 12 #include "net_driver.h" 13 #include "mcdi.h" 14 #include "nic.h" 15 #include "selftest.h" 16 #include "rx_common.h" 17 #include "ethtool_common.h" 18 #include "mcdi_port_common.h" 19 20 struct efx_sw_stat_desc { 21 const char *name; 22 enum { 23 EFX_ETHTOOL_STAT_SOURCE_nic, 24 EFX_ETHTOOL_STAT_SOURCE_channel, 25 EFX_ETHTOOL_STAT_SOURCE_tx_queue 26 } source; 27 unsigned int offset; 28 u64 (*get_stat)(void *field); /* Reader function */ 29 }; 30 31 /* Initialiser for a struct efx_sw_stat_desc with type-checking */ 32 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ 33 get_stat_function) { \ 34 .name = #stat_name, \ 35 .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ 36 .offset = ((((field_type *) 0) == \ 37 &((struct efx_##source_name *)0)->field) ? \ 38 offsetof(struct efx_##source_name, field) : \ 39 offsetof(struct efx_##source_name, field)), \ 40 .get_stat = get_stat_function, \ 41 } 42 43 static u64 efx_get_uint_stat(void *field) 44 { 45 return *(unsigned int *)field; 46 } 47 48 static u64 efx_get_atomic_stat(void *field) 49 { 50 return atomic_read((atomic_t *) field); 51 } 52 53 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ 54 EFX_ETHTOOL_STAT(field, nic, field, \ 55 atomic_t, efx_get_atomic_stat) 56 57 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ 58 EFX_ETHTOOL_STAT(field, channel, n_##field, \ 59 unsigned int, efx_get_uint_stat) 60 #define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field) \ 61 EFX_ETHTOOL_STAT(field, channel, field, \ 62 unsigned int, efx_get_uint_stat) 63 64 #define EFX_ETHTOOL_UINT_TXQ_STAT(field) \ 65 EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \ 66 unsigned int, efx_get_uint_stat) 67 68 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = { 69 EFX_ETHTOOL_UINT_TXQ_STAT(merge_events), 70 EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts), 71 EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers), 72 EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets), 73 EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks), 74 EFX_ETHTOOL_UINT_TXQ_STAT(pushes), 75 EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets), 76 EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets), 77 EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), 78 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), 79 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), 80 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), 81 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err), 82 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err), 83 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err), 84 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err), 85 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err), 86 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch), 87 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), 88 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events), 89 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets), 90 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops), 91 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops), 92 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx), 93 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect), 94 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mport_bad), 95 #ifdef CONFIG_RFS_ACCEL 96 EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count), 97 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded), 98 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed), 99 #endif 100 }; 101 102 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc) 103 104 void efx_ethtool_get_drvinfo(struct net_device *net_dev, 105 struct ethtool_drvinfo *info) 106 { 107 struct efx_nic *efx = efx_netdev_priv(net_dev); 108 109 strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); 110 efx_mcdi_print_fwver(efx, info->fw_version, 111 sizeof(info->fw_version)); 112 strscpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); 113 } 114 115 u32 efx_ethtool_get_msglevel(struct net_device *net_dev) 116 { 117 struct efx_nic *efx = efx_netdev_priv(net_dev); 118 119 return efx->msg_enable; 120 } 121 122 void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) 123 { 124 struct efx_nic *efx = efx_netdev_priv(net_dev); 125 126 efx->msg_enable = msg_enable; 127 } 128 129 void efx_ethtool_self_test(struct net_device *net_dev, 130 struct ethtool_test *test, u64 *data) 131 { 132 struct efx_nic *efx = efx_netdev_priv(net_dev); 133 struct efx_self_tests *efx_tests; 134 bool already_up; 135 int rc = -ENOMEM; 136 137 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL); 138 if (!efx_tests) 139 goto fail; 140 141 if (!efx_net_active(efx->state)) { 142 rc = -EBUSY; 143 goto out; 144 } 145 146 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", 147 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 148 149 /* We need rx buffers and interrupts. */ 150 already_up = (efx->net_dev->flags & IFF_UP); 151 if (!already_up) { 152 rc = dev_open(efx->net_dev, NULL); 153 if (rc) { 154 netif_err(efx, drv, efx->net_dev, 155 "failed opening device.\n"); 156 goto out; 157 } 158 } 159 160 rc = efx_selftest(efx, efx_tests, test->flags); 161 162 if (!already_up) 163 dev_close(efx->net_dev); 164 165 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", 166 rc == 0 ? "passed" : "failed", 167 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 168 169 out: 170 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data); 171 kfree(efx_tests); 172 fail: 173 if (rc) 174 test->flags |= ETH_TEST_FL_FAILED; 175 } 176 177 void efx_ethtool_get_pauseparam(struct net_device *net_dev, 178 struct ethtool_pauseparam *pause) 179 { 180 struct efx_nic *efx = efx_netdev_priv(net_dev); 181 182 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); 183 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); 184 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); 185 } 186 187 int efx_ethtool_set_pauseparam(struct net_device *net_dev, 188 struct ethtool_pauseparam *pause) 189 { 190 struct efx_nic *efx = efx_netdev_priv(net_dev); 191 u8 wanted_fc, old_fc; 192 u32 old_adv; 193 int rc = 0; 194 195 mutex_lock(&efx->mac_lock); 196 197 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | 198 (pause->tx_pause ? EFX_FC_TX : 0) | 199 (pause->autoneg ? EFX_FC_AUTO : 0)); 200 201 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { 202 netif_dbg(efx, drv, efx->net_dev, 203 "Flow control unsupported: tx ON rx OFF\n"); 204 rc = -EINVAL; 205 goto out; 206 } 207 208 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) { 209 netif_dbg(efx, drv, efx->net_dev, 210 "Autonegotiation is disabled\n"); 211 rc = -EINVAL; 212 goto out; 213 } 214 215 /* Hook for Falcon bug 11482 workaround */ 216 if (efx->type->prepare_enable_fc_tx && 217 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX)) 218 efx->type->prepare_enable_fc_tx(efx); 219 220 old_adv = efx->link_advertising[0]; 221 old_fc = efx->wanted_fc; 222 efx_link_set_wanted_fc(efx, wanted_fc); 223 if (efx->link_advertising[0] != old_adv || 224 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { 225 rc = efx_mcdi_port_reconfigure(efx); 226 if (rc) { 227 netif_err(efx, drv, efx->net_dev, 228 "Unable to advertise requested flow " 229 "control setting\n"); 230 goto out; 231 } 232 } 233 234 /* Reconfigure the MAC. The PHY *may* generate a link state change event 235 * if the user just changed the advertised capabilities, but there's no 236 * harm doing this twice */ 237 efx_mac_reconfigure(efx, false); 238 239 out: 240 mutex_unlock(&efx->mac_lock); 241 242 return rc; 243 } 244 245 /** 246 * efx_fill_test - fill in an individual self-test entry 247 * @test_index: Index of the test 248 * @strings: Ethtool strings, or %NULL 249 * @data: Ethtool test results, or %NULL 250 * @test: Pointer to test result (used only if data != %NULL) 251 * @unit_format: Unit name format (e.g. "chan\%d") 252 * @unit_id: Unit id (e.g. 0 for "chan0") 253 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") 254 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") 255 * 256 * Fill in an individual self-test entry. 257 */ 258 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data, 259 int *test, const char *unit_format, int unit_id, 260 const char *test_format, const char *test_id) 261 { 262 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN]; 263 264 /* Fill data value, if applicable */ 265 if (data) 266 data[test_index] = *test; 267 268 /* Fill string, if applicable */ 269 if (strings) { 270 if (strchr(unit_format, '%')) 271 snprintf(unit_str, sizeof(unit_str), 272 unit_format, unit_id); 273 else 274 strcpy(unit_str, unit_format); 275 snprintf(test_str, sizeof(test_str), test_format, test_id); 276 snprintf(strings + test_index * ETH_GSTRING_LEN, 277 ETH_GSTRING_LEN, 278 "%-6s %-24s", unit_str, test_str); 279 } 280 } 281 282 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel 283 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label 284 #define EFX_LOOPBACK_NAME(_mode, _counter) \ 285 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) 286 287 /** 288 * efx_fill_loopback_test - fill in a block of loopback self-test entries 289 * @efx: Efx NIC 290 * @lb_tests: Efx loopback self-test results structure 291 * @mode: Loopback test mode 292 * @test_index: Starting index of the test 293 * @strings: Ethtool strings, or %NULL 294 * @data: Ethtool test results, or %NULL 295 * 296 * Fill in a block of loopback self-test entries. Return new test 297 * index. 298 */ 299 static int efx_fill_loopback_test(struct efx_nic *efx, 300 struct efx_loopback_self_tests *lb_tests, 301 enum efx_loopback_mode mode, 302 unsigned int test_index, 303 u8 *strings, u64 *data) 304 { 305 struct efx_channel *channel = 306 efx_get_channel(efx, efx->tx_channel_offset); 307 struct efx_tx_queue *tx_queue; 308 309 efx_for_each_channel_tx_queue(tx_queue, channel) { 310 efx_fill_test(test_index++, strings, data, 311 &lb_tests->tx_sent[tx_queue->label], 312 EFX_TX_QUEUE_NAME(tx_queue), 313 EFX_LOOPBACK_NAME(mode, "tx_sent")); 314 efx_fill_test(test_index++, strings, data, 315 &lb_tests->tx_done[tx_queue->label], 316 EFX_TX_QUEUE_NAME(tx_queue), 317 EFX_LOOPBACK_NAME(mode, "tx_done")); 318 } 319 efx_fill_test(test_index++, strings, data, 320 &lb_tests->rx_good, 321 "rx", 0, 322 EFX_LOOPBACK_NAME(mode, "rx_good")); 323 efx_fill_test(test_index++, strings, data, 324 &lb_tests->rx_bad, 325 "rx", 0, 326 EFX_LOOPBACK_NAME(mode, "rx_bad")); 327 328 return test_index; 329 } 330 331 /** 332 * efx_ethtool_fill_self_tests - get self-test details 333 * @efx: Efx NIC 334 * @tests: Efx self-test results structure, or %NULL 335 * @strings: Ethtool strings, or %NULL 336 * @data: Ethtool test results, or %NULL 337 * 338 * Get self-test number of strings, strings, and/or test results. 339 * Return number of strings (== number of test results). 340 * 341 * The reason for merging these three functions is to make sure that 342 * they can never be inconsistent. 343 */ 344 int efx_ethtool_fill_self_tests(struct efx_nic *efx, 345 struct efx_self_tests *tests, 346 u8 *strings, u64 *data) 347 { 348 struct efx_channel *channel; 349 unsigned int n = 0, i; 350 enum efx_loopback_mode mode; 351 352 efx_fill_test(n++, strings, data, &tests->phy_alive, 353 "phy", 0, "alive", NULL); 354 efx_fill_test(n++, strings, data, &tests->nvram, 355 "core", 0, "nvram", NULL); 356 efx_fill_test(n++, strings, data, &tests->interrupt, 357 "core", 0, "interrupt", NULL); 358 359 /* Event queues */ 360 efx_for_each_channel(channel, efx) { 361 efx_fill_test(n++, strings, data, 362 &tests->eventq_dma[channel->channel], 363 EFX_CHANNEL_NAME(channel), 364 "eventq.dma", NULL); 365 efx_fill_test(n++, strings, data, 366 &tests->eventq_int[channel->channel], 367 EFX_CHANNEL_NAME(channel), 368 "eventq.int", NULL); 369 } 370 371 efx_fill_test(n++, strings, data, &tests->memory, 372 "core", 0, "memory", NULL); 373 efx_fill_test(n++, strings, data, &tests->registers, 374 "core", 0, "registers", NULL); 375 376 for (i = 0; true; ++i) { 377 const char *name; 378 379 EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS); 380 name = efx_mcdi_phy_test_name(efx, i); 381 if (name == NULL) 382 break; 383 384 efx_fill_test(n++, strings, data, &tests->phy_ext[i], "phy", 0, name, NULL); 385 } 386 387 /* Loopback tests */ 388 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { 389 if (!(efx->loopback_modes & (1 << mode))) 390 continue; 391 n = efx_fill_loopback_test(efx, 392 &tests->loopback[mode], mode, n, 393 strings, data); 394 } 395 396 return n; 397 } 398 399 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings) 400 { 401 size_t n_stats = 0; 402 struct efx_channel *channel; 403 404 efx_for_each_channel(channel, efx) { 405 if (efx_channel_has_tx_queues(channel)) { 406 n_stats++; 407 if (strings != NULL) { 408 snprintf(strings, ETH_GSTRING_LEN, 409 "tx-%u.tx_packets", 410 channel->tx_queue[0].queue / 411 EFX_MAX_TXQ_PER_CHANNEL); 412 413 strings += ETH_GSTRING_LEN; 414 } 415 } 416 } 417 efx_for_each_channel(channel, efx) { 418 if (efx_channel_has_rx_queue(channel)) { 419 n_stats++; 420 if (strings != NULL) { 421 snprintf(strings, ETH_GSTRING_LEN, 422 "rx-%d.rx_packets", channel->channel); 423 strings += ETH_GSTRING_LEN; 424 } 425 } 426 } 427 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) { 428 unsigned short xdp; 429 430 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) { 431 n_stats++; 432 if (strings) { 433 snprintf(strings, ETH_GSTRING_LEN, 434 "tx-xdp-cpu-%hu.tx_packets", xdp); 435 strings += ETH_GSTRING_LEN; 436 } 437 } 438 } 439 440 return n_stats; 441 } 442 443 int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set) 444 { 445 struct efx_nic *efx = efx_netdev_priv(net_dev); 446 447 switch (string_set) { 448 case ETH_SS_STATS: 449 return efx->type->describe_stats(efx, NULL) + 450 EFX_ETHTOOL_SW_STAT_COUNT + 451 efx_describe_per_queue_stats(efx, NULL) + 452 efx_ptp_describe_stats(efx, NULL); 453 case ETH_SS_TEST: 454 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL); 455 default: 456 return -EINVAL; 457 } 458 } 459 460 void efx_ethtool_get_strings(struct net_device *net_dev, 461 u32 string_set, u8 *strings) 462 { 463 struct efx_nic *efx = efx_netdev_priv(net_dev); 464 int i; 465 466 switch (string_set) { 467 case ETH_SS_STATS: 468 strings += (efx->type->describe_stats(efx, strings) * 469 ETH_GSTRING_LEN); 470 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) 471 strscpy(strings + i * ETH_GSTRING_LEN, 472 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN); 473 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN; 474 strings += (efx_describe_per_queue_stats(efx, strings) * 475 ETH_GSTRING_LEN); 476 efx_ptp_describe_stats(efx, strings); 477 break; 478 case ETH_SS_TEST: 479 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL); 480 break; 481 default: 482 /* No other string sets */ 483 break; 484 } 485 } 486 487 void efx_ethtool_get_stats(struct net_device *net_dev, 488 struct ethtool_stats *stats, 489 u64 *data) 490 { 491 struct efx_nic *efx = efx_netdev_priv(net_dev); 492 const struct efx_sw_stat_desc *stat; 493 struct efx_channel *channel; 494 struct efx_tx_queue *tx_queue; 495 struct efx_rx_queue *rx_queue; 496 int i; 497 498 spin_lock_bh(&efx->stats_lock); 499 500 /* Get NIC statistics */ 501 data += efx->type->update_stats(efx, data, NULL); 502 503 /* Get software statistics */ 504 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) { 505 stat = &efx_sw_stat_desc[i]; 506 switch (stat->source) { 507 case EFX_ETHTOOL_STAT_SOURCE_nic: 508 data[i] = stat->get_stat((void *)efx + stat->offset); 509 break; 510 case EFX_ETHTOOL_STAT_SOURCE_channel: 511 data[i] = 0; 512 efx_for_each_channel(channel, efx) 513 data[i] += stat->get_stat((void *)channel + 514 stat->offset); 515 break; 516 case EFX_ETHTOOL_STAT_SOURCE_tx_queue: 517 data[i] = 0; 518 efx_for_each_channel(channel, efx) { 519 efx_for_each_channel_tx_queue(tx_queue, channel) 520 data[i] += 521 stat->get_stat((void *)tx_queue 522 + stat->offset); 523 } 524 break; 525 } 526 } 527 data += EFX_ETHTOOL_SW_STAT_COUNT; 528 529 spin_unlock_bh(&efx->stats_lock); 530 531 efx_for_each_channel(channel, efx) { 532 if (efx_channel_has_tx_queues(channel)) { 533 *data = 0; 534 efx_for_each_channel_tx_queue(tx_queue, channel) { 535 *data += tx_queue->tx_packets; 536 } 537 data++; 538 } 539 } 540 efx_for_each_channel(channel, efx) { 541 if (efx_channel_has_rx_queue(channel)) { 542 *data = 0; 543 efx_for_each_channel_rx_queue(rx_queue, channel) { 544 *data += rx_queue->rx_packets; 545 } 546 data++; 547 } 548 } 549 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) { 550 int xdp; 551 552 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) { 553 data[0] = efx->xdp_tx_queues[xdp]->tx_packets; 554 data++; 555 } 556 } 557 558 efx_ptp_update_stats(efx, data); 559 } 560 561 /* This must be called with rtnl_lock held. */ 562 int efx_ethtool_get_link_ksettings(struct net_device *net_dev, 563 struct ethtool_link_ksettings *cmd) 564 { 565 struct efx_nic *efx = efx_netdev_priv(net_dev); 566 struct efx_link_state *link_state = &efx->link_state; 567 568 mutex_lock(&efx->mac_lock); 569 efx_mcdi_phy_get_link_ksettings(efx, cmd); 570 mutex_unlock(&efx->mac_lock); 571 572 /* Both MACs support pause frames (bidirectional and respond-only) */ 573 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); 574 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); 575 576 if (LOOPBACK_INTERNAL(efx)) { 577 cmd->base.speed = link_state->speed; 578 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; 579 } 580 581 return 0; 582 } 583 584 /* This must be called with rtnl_lock held. */ 585 int efx_ethtool_set_link_ksettings(struct net_device *net_dev, 586 const struct ethtool_link_ksettings *cmd) 587 { 588 struct efx_nic *efx = efx_netdev_priv(net_dev); 589 int rc; 590 591 /* GMAC does not support 1000Mbps HD */ 592 if ((cmd->base.speed == SPEED_1000) && 593 (cmd->base.duplex != DUPLEX_FULL)) { 594 netif_dbg(efx, drv, efx->net_dev, 595 "rejecting unsupported 1000Mbps HD setting\n"); 596 return -EINVAL; 597 } 598 599 mutex_lock(&efx->mac_lock); 600 rc = efx_mcdi_phy_set_link_ksettings(efx, cmd); 601 mutex_unlock(&efx->mac_lock); 602 return rc; 603 } 604 605 int efx_ethtool_get_fecparam(struct net_device *net_dev, 606 struct ethtool_fecparam *fecparam) 607 { 608 struct efx_nic *efx = efx_netdev_priv(net_dev); 609 int rc; 610 611 mutex_lock(&efx->mac_lock); 612 rc = efx_mcdi_phy_get_fecparam(efx, fecparam); 613 mutex_unlock(&efx->mac_lock); 614 615 return rc; 616 } 617 618 int efx_ethtool_set_fecparam(struct net_device *net_dev, 619 struct ethtool_fecparam *fecparam) 620 { 621 struct efx_nic *efx = efx_netdev_priv(net_dev); 622 int rc; 623 624 mutex_lock(&efx->mac_lock); 625 rc = efx_mcdi_phy_set_fecparam(efx, fecparam); 626 mutex_unlock(&efx->mac_lock); 627 628 return rc; 629 } 630 631 /* MAC address mask including only I/G bit */ 632 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0}; 633 634 #define IP4_ADDR_FULL_MASK ((__force __be32)~0) 635 #define IP_PROTO_FULL_MASK 0xFF 636 #define PORT_FULL_MASK ((__force __be16)~0) 637 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) 638 639 static inline void ip6_fill_mask(__be32 *mask) 640 { 641 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0; 642 } 643 644 static int efx_ethtool_get_class_rule(struct efx_nic *efx, 645 struct ethtool_rx_flow_spec *rule, 646 u32 *rss_context) 647 { 648 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 649 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 650 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 651 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 652 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 653 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 654 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 655 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 656 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 657 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 658 struct efx_filter_spec spec; 659 int rc; 660 661 rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL, 662 rule->location, &spec); 663 if (rc) 664 return rc; 665 666 if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP) 667 rule->ring_cookie = RX_CLS_FLOW_DISC; 668 else 669 rule->ring_cookie = spec.dmaq_id; 670 671 if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) && 672 spec.ether_type == htons(ETH_P_IP) && 673 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) && 674 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 675 !(spec.match_flags & 676 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | 677 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | 678 EFX_FILTER_MATCH_IP_PROTO | 679 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) { 680 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 681 TCP_V4_FLOW : UDP_V4_FLOW); 682 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { 683 ip_entry->ip4dst = spec.loc_host[0]; 684 ip_mask->ip4dst = IP4_ADDR_FULL_MASK; 685 } 686 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { 687 ip_entry->ip4src = spec.rem_host[0]; 688 ip_mask->ip4src = IP4_ADDR_FULL_MASK; 689 } 690 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) { 691 ip_entry->pdst = spec.loc_port; 692 ip_mask->pdst = PORT_FULL_MASK; 693 } 694 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) { 695 ip_entry->psrc = spec.rem_port; 696 ip_mask->psrc = PORT_FULL_MASK; 697 } 698 } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) && 699 spec.ether_type == htons(ETH_P_IPV6) && 700 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) && 701 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && 702 !(spec.match_flags & 703 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | 704 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | 705 EFX_FILTER_MATCH_IP_PROTO | 706 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) { 707 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? 708 TCP_V6_FLOW : UDP_V6_FLOW); 709 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { 710 memcpy(ip6_entry->ip6dst, spec.loc_host, 711 sizeof(ip6_entry->ip6dst)); 712 ip6_fill_mask(ip6_mask->ip6dst); 713 } 714 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { 715 memcpy(ip6_entry->ip6src, spec.rem_host, 716 sizeof(ip6_entry->ip6src)); 717 ip6_fill_mask(ip6_mask->ip6src); 718 } 719 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) { 720 ip6_entry->pdst = spec.loc_port; 721 ip6_mask->pdst = PORT_FULL_MASK; 722 } 723 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) { 724 ip6_entry->psrc = spec.rem_port; 725 ip6_mask->psrc = PORT_FULL_MASK; 726 } 727 } else if (!(spec.match_flags & 728 ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG | 729 EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE | 730 EFX_FILTER_MATCH_OUTER_VID))) { 731 rule->flow_type = ETHER_FLOW; 732 if (spec.match_flags & 733 (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) { 734 ether_addr_copy(mac_entry->h_dest, spec.loc_mac); 735 if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC) 736 eth_broadcast_addr(mac_mask->h_dest); 737 else 738 ether_addr_copy(mac_mask->h_dest, 739 mac_addr_ig_mask); 740 } 741 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) { 742 ether_addr_copy(mac_entry->h_source, spec.rem_mac); 743 eth_broadcast_addr(mac_mask->h_source); 744 } 745 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) { 746 mac_entry->h_proto = spec.ether_type; 747 mac_mask->h_proto = ETHER_TYPE_FULL_MASK; 748 } 749 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE && 750 spec.ether_type == htons(ETH_P_IP) && 751 !(spec.match_flags & 752 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | 753 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | 754 EFX_FILTER_MATCH_IP_PROTO))) { 755 rule->flow_type = IPV4_USER_FLOW; 756 uip_entry->ip_ver = ETH_RX_NFC_IP4; 757 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) { 758 uip_mask->proto = IP_PROTO_FULL_MASK; 759 uip_entry->proto = spec.ip_proto; 760 } 761 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { 762 uip_entry->ip4dst = spec.loc_host[0]; 763 uip_mask->ip4dst = IP4_ADDR_FULL_MASK; 764 } 765 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { 766 uip_entry->ip4src = spec.rem_host[0]; 767 uip_mask->ip4src = IP4_ADDR_FULL_MASK; 768 } 769 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE && 770 spec.ether_type == htons(ETH_P_IPV6) && 771 !(spec.match_flags & 772 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | 773 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | 774 EFX_FILTER_MATCH_IP_PROTO))) { 775 rule->flow_type = IPV6_USER_FLOW; 776 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) { 777 uip6_mask->l4_proto = IP_PROTO_FULL_MASK; 778 uip6_entry->l4_proto = spec.ip_proto; 779 } 780 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { 781 memcpy(uip6_entry->ip6dst, spec.loc_host, 782 sizeof(uip6_entry->ip6dst)); 783 ip6_fill_mask(uip6_mask->ip6dst); 784 } 785 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { 786 memcpy(uip6_entry->ip6src, spec.rem_host, 787 sizeof(uip6_entry->ip6src)); 788 ip6_fill_mask(uip6_mask->ip6src); 789 } 790 } else { 791 /* The above should handle all filters that we insert */ 792 WARN_ON(1); 793 return -EINVAL; 794 } 795 796 if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) { 797 rule->flow_type |= FLOW_EXT; 798 rule->h_ext.vlan_tci = spec.outer_vid; 799 rule->m_ext.vlan_tci = htons(0xfff); 800 } 801 802 if (spec.flags & EFX_FILTER_FLAG_RX_RSS) { 803 rule->flow_type |= FLOW_RSS; 804 *rss_context = spec.rss_context; 805 } 806 807 return rc; 808 } 809 810 int efx_ethtool_get_rxnfc(struct net_device *net_dev, 811 struct ethtool_rxnfc *info, u32 *rule_locs) 812 { 813 struct efx_nic *efx = efx_netdev_priv(net_dev); 814 u32 rss_context = 0; 815 s32 rc = 0; 816 817 switch (info->cmd) { 818 case ETHTOOL_GRXRINGS: 819 info->data = efx->n_rx_channels; 820 return 0; 821 822 case ETHTOOL_GRXFH: { 823 struct efx_rss_context_priv *ctx = &efx->rss_context.priv; 824 __u64 data; 825 826 mutex_lock(&net_dev->ethtool->rss_lock); 827 if (info->flow_type & FLOW_RSS && info->rss_context) { 828 ctx = efx_find_rss_context_entry(efx, info->rss_context); 829 if (!ctx) { 830 rc = -ENOENT; 831 goto out_unlock; 832 } 833 } 834 835 data = 0; 836 if (!efx_rss_active(ctx)) /* No RSS */ 837 goto out_setdata_unlock; 838 839 switch (info->flow_type & ~FLOW_RSS) { 840 case UDP_V4_FLOW: 841 case UDP_V6_FLOW: 842 if (ctx->rx_hash_udp_4tuple) 843 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | 844 RXH_IP_SRC | RXH_IP_DST); 845 else 846 data = RXH_IP_SRC | RXH_IP_DST; 847 break; 848 case TCP_V4_FLOW: 849 case TCP_V6_FLOW: 850 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | 851 RXH_IP_SRC | RXH_IP_DST); 852 break; 853 case SCTP_V4_FLOW: 854 case SCTP_V6_FLOW: 855 case AH_ESP_V4_FLOW: 856 case AH_ESP_V6_FLOW: 857 case IPV4_FLOW: 858 case IPV6_FLOW: 859 data = RXH_IP_SRC | RXH_IP_DST; 860 break; 861 default: 862 break; 863 } 864 out_setdata_unlock: 865 info->data = data; 866 out_unlock: 867 mutex_unlock(&net_dev->ethtool->rss_lock); 868 return rc; 869 } 870 871 case ETHTOOL_GRXCLSRLCNT: 872 info->data = efx_filter_get_rx_id_limit(efx); 873 if (info->data == 0) 874 return -EOPNOTSUPP; 875 info->data |= RX_CLS_LOC_SPECIAL; 876 info->rule_cnt = 877 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL); 878 return 0; 879 880 case ETHTOOL_GRXCLSRULE: 881 if (efx_filter_get_rx_id_limit(efx) == 0) 882 return -EOPNOTSUPP; 883 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context); 884 if (rc < 0) 885 return rc; 886 if (info->fs.flow_type & FLOW_RSS) 887 info->rss_context = rss_context; 888 return 0; 889 890 case ETHTOOL_GRXCLSRLALL: 891 info->data = efx_filter_get_rx_id_limit(efx); 892 if (info->data == 0) 893 return -EOPNOTSUPP; 894 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL, 895 rule_locs, info->rule_cnt); 896 if (rc < 0) 897 return rc; 898 info->rule_cnt = rc; 899 return 0; 900 901 default: 902 return -EOPNOTSUPP; 903 } 904 } 905 906 static inline bool ip6_mask_is_full(__be32 mask[4]) 907 { 908 return !~(mask[0] & mask[1] & mask[2] & mask[3]); 909 } 910 911 static inline bool ip6_mask_is_empty(__be32 mask[4]) 912 { 913 return !(mask[0] | mask[1] | mask[2] | mask[3]); 914 } 915 916 static int efx_ethtool_set_class_rule(struct efx_nic *efx, 917 struct ethtool_rx_flow_spec *rule, 918 u32 rss_context) 919 { 920 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 921 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 922 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 923 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 924 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 925 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 926 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 927 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 928 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS); 929 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 930 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 931 enum efx_filter_flags flags = 0; 932 struct efx_filter_spec spec; 933 int rc; 934 935 /* Check that user wants us to choose the location */ 936 if (rule->location != RX_CLS_LOC_ANY) 937 return -EINVAL; 938 939 /* Range-check ring_cookie */ 940 if (rule->ring_cookie >= efx->n_rx_channels && 941 rule->ring_cookie != RX_CLS_FLOW_DISC) 942 return -EINVAL; 943 944 /* Check for unsupported extensions */ 945 if ((rule->flow_type & FLOW_EXT) && 946 (rule->m_ext.vlan_etype || rule->m_ext.data[0] || 947 rule->m_ext.data[1])) 948 return -EINVAL; 949 950 if (efx->rx_scatter) 951 flags |= EFX_FILTER_FLAG_RX_SCATTER; 952 if (rule->flow_type & FLOW_RSS) 953 flags |= EFX_FILTER_FLAG_RX_RSS; 954 955 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags, 956 (rule->ring_cookie == RX_CLS_FLOW_DISC) ? 957 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie); 958 959 if (rule->flow_type & FLOW_RSS) 960 spec.rss_context = rss_context; 961 962 switch (flow_type) { 963 case TCP_V4_FLOW: 964 case UDP_V4_FLOW: 965 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | 966 EFX_FILTER_MATCH_IP_PROTO); 967 spec.ether_type = htons(ETH_P_IP); 968 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP 969 : IPPROTO_UDP; 970 if (ip_mask->ip4dst) { 971 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK) 972 return -EINVAL; 973 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 974 spec.loc_host[0] = ip_entry->ip4dst; 975 } 976 if (ip_mask->ip4src) { 977 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK) 978 return -EINVAL; 979 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 980 spec.rem_host[0] = ip_entry->ip4src; 981 } 982 if (ip_mask->pdst) { 983 if (ip_mask->pdst != PORT_FULL_MASK) 984 return -EINVAL; 985 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; 986 spec.loc_port = ip_entry->pdst; 987 } 988 if (ip_mask->psrc) { 989 if (ip_mask->psrc != PORT_FULL_MASK) 990 return -EINVAL; 991 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; 992 spec.rem_port = ip_entry->psrc; 993 } 994 if (ip_mask->tos) 995 return -EINVAL; 996 break; 997 998 case TCP_V6_FLOW: 999 case UDP_V6_FLOW: 1000 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | 1001 EFX_FILTER_MATCH_IP_PROTO); 1002 spec.ether_type = htons(ETH_P_IPV6); 1003 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP 1004 : IPPROTO_UDP; 1005 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) { 1006 if (!ip6_mask_is_full(ip6_mask->ip6dst)) 1007 return -EINVAL; 1008 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1009 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host)); 1010 } 1011 if (!ip6_mask_is_empty(ip6_mask->ip6src)) { 1012 if (!ip6_mask_is_full(ip6_mask->ip6src)) 1013 return -EINVAL; 1014 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1015 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host)); 1016 } 1017 if (ip6_mask->pdst) { 1018 if (ip6_mask->pdst != PORT_FULL_MASK) 1019 return -EINVAL; 1020 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; 1021 spec.loc_port = ip6_entry->pdst; 1022 } 1023 if (ip6_mask->psrc) { 1024 if (ip6_mask->psrc != PORT_FULL_MASK) 1025 return -EINVAL; 1026 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; 1027 spec.rem_port = ip6_entry->psrc; 1028 } 1029 if (ip6_mask->tclass) 1030 return -EINVAL; 1031 break; 1032 1033 case IPV4_USER_FLOW: 1034 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver || 1035 uip_entry->ip_ver != ETH_RX_NFC_IP4) 1036 return -EINVAL; 1037 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; 1038 spec.ether_type = htons(ETH_P_IP); 1039 if (uip_mask->ip4dst) { 1040 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1041 return -EINVAL; 1042 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1043 spec.loc_host[0] = uip_entry->ip4dst; 1044 } 1045 if (uip_mask->ip4src) { 1046 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK) 1047 return -EINVAL; 1048 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1049 spec.rem_host[0] = uip_entry->ip4src; 1050 } 1051 if (uip_mask->proto) { 1052 if (uip_mask->proto != IP_PROTO_FULL_MASK) 1053 return -EINVAL; 1054 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; 1055 spec.ip_proto = uip_entry->proto; 1056 } 1057 break; 1058 1059 case IPV6_USER_FLOW: 1060 if (uip6_mask->l4_4_bytes || uip6_mask->tclass) 1061 return -EINVAL; 1062 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; 1063 spec.ether_type = htons(ETH_P_IPV6); 1064 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) { 1065 if (!ip6_mask_is_full(uip6_mask->ip6dst)) 1066 return -EINVAL; 1067 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1068 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host)); 1069 } 1070 if (!ip6_mask_is_empty(uip6_mask->ip6src)) { 1071 if (!ip6_mask_is_full(uip6_mask->ip6src)) 1072 return -EINVAL; 1073 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1074 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host)); 1075 } 1076 if (uip6_mask->l4_proto) { 1077 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK) 1078 return -EINVAL; 1079 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; 1080 spec.ip_proto = uip6_entry->l4_proto; 1081 } 1082 break; 1083 1084 case ETHER_FLOW: 1085 if (!is_zero_ether_addr(mac_mask->h_dest)) { 1086 if (ether_addr_equal(mac_mask->h_dest, 1087 mac_addr_ig_mask)) 1088 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG; 1089 else if (is_broadcast_ether_addr(mac_mask->h_dest)) 1090 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC; 1091 else 1092 return -EINVAL; 1093 ether_addr_copy(spec.loc_mac, mac_entry->h_dest); 1094 } 1095 if (!is_zero_ether_addr(mac_mask->h_source)) { 1096 if (!is_broadcast_ether_addr(mac_mask->h_source)) 1097 return -EINVAL; 1098 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC; 1099 ether_addr_copy(spec.rem_mac, mac_entry->h_source); 1100 } 1101 if (mac_mask->h_proto) { 1102 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK) 1103 return -EINVAL; 1104 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE; 1105 spec.ether_type = mac_entry->h_proto; 1106 } 1107 break; 1108 1109 default: 1110 return -EINVAL; 1111 } 1112 1113 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) { 1114 if (rule->m_ext.vlan_tci != htons(0xfff)) 1115 return -EINVAL; 1116 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID; 1117 spec.outer_vid = rule->h_ext.vlan_tci; 1118 } 1119 1120 rc = efx_filter_insert_filter(efx, &spec, true); 1121 if (rc < 0) 1122 return rc; 1123 1124 rule->location = rc; 1125 return 0; 1126 } 1127 1128 int efx_ethtool_set_rxnfc(struct net_device *net_dev, 1129 struct ethtool_rxnfc *info) 1130 { 1131 struct efx_nic *efx = efx_netdev_priv(net_dev); 1132 1133 if (efx_filter_get_rx_id_limit(efx) == 0) 1134 return -EOPNOTSUPP; 1135 1136 switch (info->cmd) { 1137 case ETHTOOL_SRXCLSRLINS: 1138 return efx_ethtool_set_class_rule(efx, &info->fs, 1139 info->rss_context); 1140 1141 case ETHTOOL_SRXCLSRLDEL: 1142 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL, 1143 info->fs.location); 1144 1145 default: 1146 return -EOPNOTSUPP; 1147 } 1148 } 1149 1150 u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev) 1151 { 1152 struct efx_nic *efx = efx_netdev_priv(net_dev); 1153 1154 if (efx->n_rx_channels == 1) 1155 return 0; 1156 return ARRAY_SIZE(efx->rss_context.rx_indir_table); 1157 } 1158 1159 u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev) 1160 { 1161 struct efx_nic *efx = efx_netdev_priv(net_dev); 1162 1163 return efx->type->rx_hash_key_size; 1164 } 1165 1166 int efx_ethtool_get_rxfh(struct net_device *net_dev, 1167 struct ethtool_rxfh_param *rxfh) 1168 { 1169 struct efx_nic *efx = efx_netdev_priv(net_dev); 1170 int rc; 1171 1172 if (rxfh->rss_context) /* core should never call us for these */ 1173 return -EINVAL; 1174 1175 rc = efx->type->rx_pull_rss_config(efx); 1176 if (rc) 1177 return rc; 1178 1179 rxfh->hfunc = ETH_RSS_HASH_TOP; 1180 if (rxfh->indir) 1181 memcpy(rxfh->indir, efx->rss_context.rx_indir_table, 1182 sizeof(efx->rss_context.rx_indir_table)); 1183 if (rxfh->key) 1184 memcpy(rxfh->key, efx->rss_context.rx_hash_key, 1185 efx->type->rx_hash_key_size); 1186 return 0; 1187 } 1188 1189 int efx_ethtool_modify_rxfh_context(struct net_device *net_dev, 1190 struct ethtool_rxfh_context *ctx, 1191 const struct ethtool_rxfh_param *rxfh, 1192 struct netlink_ext_ack *extack) 1193 { 1194 struct efx_nic *efx = efx_netdev_priv(net_dev); 1195 struct efx_rss_context_priv *priv; 1196 const u32 *indir = rxfh->indir; 1197 const u8 *key = rxfh->key; 1198 1199 if (!efx->type->rx_push_rss_context_config) { 1200 NL_SET_ERR_MSG_MOD(extack, 1201 "NIC type does not support custom contexts"); 1202 return -EOPNOTSUPP; 1203 } 1204 /* Hash function is Toeplitz, cannot be changed */ 1205 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 1206 rxfh->hfunc != ETH_RSS_HASH_TOP) { 1207 NL_SET_ERR_MSG_MOD(extack, "Only Toeplitz hash is supported"); 1208 return -EOPNOTSUPP; 1209 } 1210 1211 priv = ethtool_rxfh_context_priv(ctx); 1212 1213 if (!key) 1214 key = ethtool_rxfh_context_key(ctx); 1215 if (!indir) 1216 indir = ethtool_rxfh_context_indir(ctx); 1217 1218 return efx->type->rx_push_rss_context_config(efx, priv, indir, key, 1219 false); 1220 } 1221 1222 int efx_ethtool_create_rxfh_context(struct net_device *net_dev, 1223 struct ethtool_rxfh_context *ctx, 1224 const struct ethtool_rxfh_param *rxfh, 1225 struct netlink_ext_ack *extack) 1226 { 1227 struct efx_nic *efx = efx_netdev_priv(net_dev); 1228 struct efx_rss_context_priv *priv; 1229 1230 priv = ethtool_rxfh_context_priv(ctx); 1231 1232 priv->context_id = EFX_MCDI_RSS_CONTEXT_INVALID; 1233 priv->rx_hash_udp_4tuple = false; 1234 /* Generate default indir table and/or key if not specified. 1235 * We use ctx as a place to store these; this is fine because 1236 * we're doing a create, so if we fail then the ctx will just 1237 * be deleted. 1238 */ 1239 if (!rxfh->indir) 1240 efx_set_default_rx_indir_table(efx, ethtool_rxfh_context_indir(ctx)); 1241 if (!rxfh->key) 1242 netdev_rss_key_fill(ethtool_rxfh_context_key(ctx), 1243 ctx->key_size); 1244 if (rxfh->hfunc == ETH_RSS_HASH_NO_CHANGE) 1245 ctx->hfunc = ETH_RSS_HASH_TOP; 1246 if (rxfh->input_xfrm == RXH_XFRM_NO_CHANGE) 1247 ctx->input_xfrm = 0; 1248 return efx_ethtool_modify_rxfh_context(net_dev, ctx, rxfh, extack); 1249 } 1250 1251 int efx_ethtool_remove_rxfh_context(struct net_device *net_dev, 1252 struct ethtool_rxfh_context *ctx, 1253 u32 rss_context, 1254 struct netlink_ext_ack *extack) 1255 { 1256 struct efx_nic *efx = efx_netdev_priv(net_dev); 1257 struct efx_rss_context_priv *priv; 1258 1259 if (!efx->type->rx_push_rss_context_config) { 1260 NL_SET_ERR_MSG_MOD(extack, 1261 "NIC type does not support custom contexts"); 1262 return -EOPNOTSUPP; 1263 } 1264 1265 priv = ethtool_rxfh_context_priv(ctx); 1266 return efx->type->rx_push_rss_context_config(efx, priv, NULL, NULL, 1267 true); 1268 } 1269 1270 int efx_ethtool_set_rxfh(struct net_device *net_dev, 1271 struct ethtool_rxfh_param *rxfh, 1272 struct netlink_ext_ack *extack) 1273 { 1274 struct efx_nic *efx = efx_netdev_priv(net_dev); 1275 u32 *indir = rxfh->indir; 1276 u8 *key = rxfh->key; 1277 1278 /* Hash function is Toeplitz, cannot be changed */ 1279 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 1280 rxfh->hfunc != ETH_RSS_HASH_TOP) 1281 return -EOPNOTSUPP; 1282 1283 /* Custom contexts should use new API */ 1284 if (WARN_ON_ONCE(rxfh->rss_context)) 1285 return -EIO; 1286 1287 if (!indir && !key) 1288 return 0; 1289 1290 if (!key) 1291 key = efx->rss_context.rx_hash_key; 1292 if (!indir) 1293 indir = efx->rss_context.rx_indir_table; 1294 1295 return efx->type->rx_push_rss_config(efx, true, indir, key); 1296 } 1297 1298 int efx_ethtool_reset(struct net_device *net_dev, u32 *flags) 1299 { 1300 struct efx_nic *efx = efx_netdev_priv(net_dev); 1301 int rc; 1302 1303 rc = efx->type->map_reset_flags(flags); 1304 if (rc < 0) 1305 return rc; 1306 1307 return efx_reset(efx, rc); 1308 } 1309 1310 int efx_ethtool_get_module_eeprom(struct net_device *net_dev, 1311 struct ethtool_eeprom *ee, 1312 u8 *data) 1313 { 1314 struct efx_nic *efx = efx_netdev_priv(net_dev); 1315 int ret; 1316 1317 mutex_lock(&efx->mac_lock); 1318 ret = efx_mcdi_phy_get_module_eeprom(efx, ee, data); 1319 mutex_unlock(&efx->mac_lock); 1320 1321 return ret; 1322 } 1323 1324 int efx_ethtool_get_module_info(struct net_device *net_dev, 1325 struct ethtool_modinfo *modinfo) 1326 { 1327 struct efx_nic *efx = efx_netdev_priv(net_dev); 1328 int ret; 1329 1330 mutex_lock(&efx->mac_lock); 1331 ret = efx_mcdi_phy_get_module_info(efx, modinfo); 1332 mutex_unlock(&efx->mac_lock); 1333 1334 return ret; 1335 } 1336