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 #ifdef CONFIG_RFS_ACCEL 95 EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count), 96 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded), 97 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed), 98 #endif 99 }; 100 101 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc) 102 103 void efx_siena_ethtool_get_drvinfo(struct net_device *net_dev, 104 struct ethtool_drvinfo *info) 105 { 106 struct efx_nic *efx = netdev_priv(net_dev); 107 108 strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); 109 efx_siena_mcdi_print_fwver(efx, info->fw_version, 110 sizeof(info->fw_version)); 111 strscpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); 112 } 113 114 u32 efx_siena_ethtool_get_msglevel(struct net_device *net_dev) 115 { 116 struct efx_nic *efx = netdev_priv(net_dev); 117 118 return efx->msg_enable; 119 } 120 121 void efx_siena_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) 122 { 123 struct efx_nic *efx = netdev_priv(net_dev); 124 125 efx->msg_enable = msg_enable; 126 } 127 128 void efx_siena_ethtool_get_pauseparam(struct net_device *net_dev, 129 struct ethtool_pauseparam *pause) 130 { 131 struct efx_nic *efx = netdev_priv(net_dev); 132 133 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); 134 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); 135 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); 136 } 137 138 int efx_siena_ethtool_set_pauseparam(struct net_device *net_dev, 139 struct ethtool_pauseparam *pause) 140 { 141 struct efx_nic *efx = netdev_priv(net_dev); 142 u8 wanted_fc, old_fc; 143 u32 old_adv; 144 int rc = 0; 145 146 mutex_lock(&efx->mac_lock); 147 148 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | 149 (pause->tx_pause ? EFX_FC_TX : 0) | 150 (pause->autoneg ? EFX_FC_AUTO : 0)); 151 152 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { 153 netif_dbg(efx, drv, efx->net_dev, 154 "Flow control unsupported: tx ON rx OFF\n"); 155 rc = -EINVAL; 156 goto out; 157 } 158 159 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) { 160 netif_dbg(efx, drv, efx->net_dev, 161 "Autonegotiation is disabled\n"); 162 rc = -EINVAL; 163 goto out; 164 } 165 166 /* Hook for Falcon bug 11482 workaround */ 167 if (efx->type->prepare_enable_fc_tx && 168 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX)) 169 efx->type->prepare_enable_fc_tx(efx); 170 171 old_adv = efx->link_advertising[0]; 172 old_fc = efx->wanted_fc; 173 efx_siena_link_set_wanted_fc(efx, wanted_fc); 174 if (efx->link_advertising[0] != old_adv || 175 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { 176 rc = efx_siena_mcdi_port_reconfigure(efx); 177 if (rc) { 178 netif_err(efx, drv, efx->net_dev, 179 "Unable to advertise requested flow " 180 "control setting\n"); 181 goto out; 182 } 183 } 184 185 /* Reconfigure the MAC. The PHY *may* generate a link state change event 186 * if the user just changed the advertised capabilities, but there's no 187 * harm doing this twice */ 188 efx_siena_mac_reconfigure(efx, false); 189 190 out: 191 mutex_unlock(&efx->mac_lock); 192 193 return rc; 194 } 195 196 /** 197 * efx_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 */ 209 static void efx_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 EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel 234 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label 235 #define EFX_LOOPBACK_NAME(_mode, _counter) \ 236 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_siena_loopback_mode) 237 238 /** 239 * efx_fill_loopback_test - fill in a block of loopback self-test entries 240 * @efx: Efx NIC 241 * @lb_tests: Efx loopback self-test results structure 242 * @mode: Loopback test mode 243 * @test_index: Starting index of the test 244 * @strings: Ethtool strings, or %NULL 245 * @data: Ethtool test results, or %NULL 246 * 247 * Fill in a block of loopback self-test entries. Return new test 248 * index. 249 */ 250 static int efx_fill_loopback_test(struct efx_nic *efx, 251 struct efx_loopback_self_tests *lb_tests, 252 enum efx_loopback_mode mode, 253 unsigned int test_index, 254 u8 *strings, u64 *data) 255 { 256 struct efx_channel *channel = 257 efx_get_channel(efx, efx->tx_channel_offset); 258 struct efx_tx_queue *tx_queue; 259 260 efx_for_each_channel_tx_queue(tx_queue, channel) { 261 efx_fill_test(test_index++, strings, data, 262 &lb_tests->tx_sent[tx_queue->label], 263 EFX_TX_QUEUE_NAME(tx_queue), 264 EFX_LOOPBACK_NAME(mode, "tx_sent")); 265 efx_fill_test(test_index++, strings, data, 266 &lb_tests->tx_done[tx_queue->label], 267 EFX_TX_QUEUE_NAME(tx_queue), 268 EFX_LOOPBACK_NAME(mode, "tx_done")); 269 } 270 efx_fill_test(test_index++, strings, data, 271 &lb_tests->rx_good, 272 "rx", 0, 273 EFX_LOOPBACK_NAME(mode, "rx_good")); 274 efx_fill_test(test_index++, strings, data, 275 &lb_tests->rx_bad, 276 "rx", 0, 277 EFX_LOOPBACK_NAME(mode, "rx_bad")); 278 279 return test_index; 280 } 281 282 /** 283 * efx_ethtool_fill_self_tests - get self-test details 284 * @efx: Efx NIC 285 * @tests: Efx self-test results structure, or %NULL 286 * @strings: Ethtool strings, or %NULL 287 * @data: Ethtool test results, or %NULL 288 * 289 * Get self-test number of strings, strings, and/or test results. 290 * Return number of strings (== number of test results). 291 * 292 * The reason for merging these three functions is to make sure that 293 * they can never be inconsistent. 294 */ 295 static int efx_ethtool_fill_self_tests(struct efx_nic *efx, 296 struct efx_self_tests *tests, 297 u8 *strings, u64 *data) 298 { 299 struct efx_channel *channel; 300 unsigned int n = 0, i; 301 enum efx_loopback_mode mode; 302 303 efx_fill_test(n++, strings, data, &tests->phy_alive, 304 "phy", 0, "alive", NULL); 305 efx_fill_test(n++, strings, data, &tests->nvram, 306 "core", 0, "nvram", NULL); 307 efx_fill_test(n++, strings, data, &tests->interrupt, 308 "core", 0, "interrupt", NULL); 309 310 /* Event queues */ 311 efx_for_each_channel(channel, efx) { 312 efx_fill_test(n++, strings, data, 313 &tests->eventq_dma[channel->channel], 314 EFX_CHANNEL_NAME(channel), 315 "eventq.dma", NULL); 316 efx_fill_test(n++, strings, data, 317 &tests->eventq_int[channel->channel], 318 EFX_CHANNEL_NAME(channel), 319 "eventq.int", NULL); 320 } 321 322 efx_fill_test(n++, strings, data, &tests->memory, 323 "core", 0, "memory", NULL); 324 efx_fill_test(n++, strings, data, &tests->registers, 325 "core", 0, "registers", NULL); 326 327 for (i = 0; true; ++i) { 328 const char *name; 329 330 EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS); 331 name = efx_siena_mcdi_phy_test_name(efx, i); 332 if (name == NULL) 333 break; 334 335 efx_fill_test(n++, strings, data, &tests->phy_ext[i], "phy", 0, name, NULL); 336 } 337 338 /* Loopback tests */ 339 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { 340 if (!(efx->loopback_modes & (1 << mode))) 341 continue; 342 n = efx_fill_loopback_test(efx, 343 &tests->loopback[mode], mode, n, 344 strings, data); 345 } 346 347 return n; 348 } 349 350 void efx_siena_ethtool_self_test(struct net_device *net_dev, 351 struct ethtool_test *test, u64 *data) 352 { 353 struct efx_nic *efx = netdev_priv(net_dev); 354 struct efx_self_tests *efx_tests; 355 bool already_up; 356 int rc = -ENOMEM; 357 358 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL); 359 if (!efx_tests) 360 goto fail; 361 362 if (efx->state != STATE_READY) { 363 rc = -EBUSY; 364 goto out; 365 } 366 367 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", 368 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 369 370 /* We need rx buffers and interrupts. */ 371 already_up = (efx->net_dev->flags & IFF_UP); 372 if (!already_up) { 373 rc = dev_open(efx->net_dev, NULL); 374 if (rc) { 375 netif_err(efx, drv, efx->net_dev, 376 "failed opening device.\n"); 377 goto out; 378 } 379 } 380 381 rc = efx_siena_selftest(efx, efx_tests, test->flags); 382 383 if (!already_up) 384 dev_close(efx->net_dev); 385 386 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", 387 rc == 0 ? "passed" : "failed", 388 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); 389 390 out: 391 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data); 392 kfree(efx_tests); 393 fail: 394 if (rc) 395 test->flags |= ETH_TEST_FL_FAILED; 396 } 397 398 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings) 399 { 400 size_t n_stats = 0; 401 struct efx_channel *channel; 402 403 efx_for_each_channel(channel, efx) { 404 if (efx_channel_has_tx_queues(channel)) { 405 n_stats++; 406 if (strings != NULL) { 407 snprintf(strings, ETH_GSTRING_LEN, 408 "tx-%u.tx_packets", 409 channel->tx_queue[0].queue / 410 EFX_MAX_TXQ_PER_CHANNEL); 411 412 strings += ETH_GSTRING_LEN; 413 } 414 } 415 } 416 efx_for_each_channel(channel, efx) { 417 if (efx_channel_has_rx_queue(channel)) { 418 n_stats++; 419 if (strings != NULL) { 420 snprintf(strings, ETH_GSTRING_LEN, 421 "rx-%d.rx_packets", channel->channel); 422 strings += ETH_GSTRING_LEN; 423 } 424 } 425 } 426 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) { 427 unsigned short xdp; 428 429 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) { 430 n_stats++; 431 if (strings) { 432 snprintf(strings, ETH_GSTRING_LEN, 433 "tx-xdp-cpu-%hu.tx_packets", xdp); 434 strings += ETH_GSTRING_LEN; 435 } 436 } 437 } 438 439 return n_stats; 440 } 441 442 int efx_siena_ethtool_get_sset_count(struct net_device *net_dev, int string_set) 443 { 444 struct efx_nic *efx = netdev_priv(net_dev); 445 446 switch (string_set) { 447 case ETH_SS_STATS: 448 return efx->type->describe_stats(efx, NULL) + 449 EFX_ETHTOOL_SW_STAT_COUNT + 450 efx_describe_per_queue_stats(efx, NULL) + 451 efx_siena_ptp_describe_stats(efx, NULL); 452 case ETH_SS_TEST: 453 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL); 454 default: 455 return -EINVAL; 456 } 457 } 458 459 void efx_siena_ethtool_get_strings(struct net_device *net_dev, 460 u32 string_set, u8 *strings) 461 { 462 struct efx_nic *efx = netdev_priv(net_dev); 463 int i; 464 465 switch (string_set) { 466 case ETH_SS_STATS: 467 strings += (efx->type->describe_stats(efx, strings) * 468 ETH_GSTRING_LEN); 469 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) 470 strscpy(strings + i * ETH_GSTRING_LEN, 471 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN); 472 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN; 473 strings += (efx_describe_per_queue_stats(efx, strings) * 474 ETH_GSTRING_LEN); 475 efx_siena_ptp_describe_stats(efx, strings); 476 break; 477 case ETH_SS_TEST: 478 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL); 479 break; 480 default: 481 /* No other string sets */ 482 break; 483 } 484 } 485 486 void efx_siena_ethtool_get_stats(struct net_device *net_dev, 487 struct ethtool_stats *stats, 488 u64 *data) 489 { 490 struct efx_nic *efx = netdev_priv(net_dev); 491 const struct efx_sw_stat_desc *stat; 492 struct efx_channel *channel; 493 struct efx_tx_queue *tx_queue; 494 struct efx_rx_queue *rx_queue; 495 int i; 496 497 spin_lock_bh(&efx->stats_lock); 498 499 /* Get NIC statistics */ 500 data += efx->type->update_stats(efx, data, NULL); 501 502 /* Get software statistics */ 503 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) { 504 stat = &efx_sw_stat_desc[i]; 505 switch (stat->source) { 506 case EFX_ETHTOOL_STAT_SOURCE_nic: 507 data[i] = stat->get_stat((void *)efx + stat->offset); 508 break; 509 case EFX_ETHTOOL_STAT_SOURCE_channel: 510 data[i] = 0; 511 efx_for_each_channel(channel, efx) 512 data[i] += stat->get_stat((void *)channel + 513 stat->offset); 514 break; 515 case EFX_ETHTOOL_STAT_SOURCE_tx_queue: 516 data[i] = 0; 517 efx_for_each_channel(channel, efx) { 518 efx_for_each_channel_tx_queue(tx_queue, channel) 519 data[i] += 520 stat->get_stat((void *)tx_queue 521 + stat->offset); 522 } 523 break; 524 } 525 } 526 data += EFX_ETHTOOL_SW_STAT_COUNT; 527 528 spin_unlock_bh(&efx->stats_lock); 529 530 efx_for_each_channel(channel, efx) { 531 if (efx_channel_has_tx_queues(channel)) { 532 *data = 0; 533 efx_for_each_channel_tx_queue(tx_queue, channel) { 534 *data += tx_queue->tx_packets; 535 } 536 data++; 537 } 538 } 539 efx_for_each_channel(channel, efx) { 540 if (efx_channel_has_rx_queue(channel)) { 541 *data = 0; 542 efx_for_each_channel_rx_queue(rx_queue, channel) { 543 *data += rx_queue->rx_packets; 544 } 545 data++; 546 } 547 } 548 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) { 549 int xdp; 550 551 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) { 552 data[0] = efx->xdp_tx_queues[xdp]->tx_packets; 553 data++; 554 } 555 } 556 557 efx_siena_ptp_update_stats(efx, data); 558 } 559 560 /* This must be called with rtnl_lock held. */ 561 int efx_siena_ethtool_get_link_ksettings(struct net_device *net_dev, 562 struct ethtool_link_ksettings *cmd) 563 { 564 struct efx_nic *efx = netdev_priv(net_dev); 565 struct efx_link_state *link_state = &efx->link_state; 566 567 mutex_lock(&efx->mac_lock); 568 efx_siena_mcdi_phy_get_link_ksettings(efx, cmd); 569 mutex_unlock(&efx->mac_lock); 570 571 /* Both MACs support pause frames (bidirectional and respond-only) */ 572 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); 573 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); 574 575 if (LOOPBACK_INTERNAL(efx)) { 576 cmd->base.speed = link_state->speed; 577 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; 578 } 579 580 return 0; 581 } 582 583 /* This must be called with rtnl_lock held. */ 584 int 585 efx_siena_ethtool_set_link_ksettings(struct net_device *net_dev, 586 const struct ethtool_link_ksettings *cmd) 587 { 588 struct efx_nic *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_siena_mcdi_phy_set_link_ksettings(efx, cmd); 601 mutex_unlock(&efx->mac_lock); 602 return rc; 603 } 604 605 int efx_siena_ethtool_get_fecparam(struct net_device *net_dev, 606 struct ethtool_fecparam *fecparam) 607 { 608 struct efx_nic *efx = netdev_priv(net_dev); 609 int rc; 610 611 mutex_lock(&efx->mac_lock); 612 rc = efx_siena_mcdi_phy_get_fecparam(efx, fecparam); 613 mutex_unlock(&efx->mac_lock); 614 615 return rc; 616 } 617 618 int efx_siena_ethtool_set_fecparam(struct net_device *net_dev, 619 struct ethtool_fecparam *fecparam) 620 { 621 struct efx_nic *efx = netdev_priv(net_dev); 622 int rc; 623 624 mutex_lock(&efx->mac_lock); 625 rc = efx_siena_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_siena_ethtool_get_rxnfc(struct net_device *net_dev, 811 struct ethtool_rxnfc *info, u32 *rule_locs) 812 { 813 struct efx_nic *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 *ctx = &efx->rss_context; 824 __u64 data; 825 826 mutex_lock(&efx->rss_lock); 827 if (info->flow_type & FLOW_RSS && info->rss_context) { 828 ctx = efx_siena_find_rss_context_entry(efx, 829 info->rss_context); 830 if (!ctx) { 831 rc = -ENOENT; 832 goto out_unlock; 833 } 834 } 835 836 data = 0; 837 if (!efx_rss_active(ctx)) /* No RSS */ 838 goto out_setdata_unlock; 839 840 switch (info->flow_type & ~FLOW_RSS) { 841 case UDP_V4_FLOW: 842 case UDP_V6_FLOW: 843 if (ctx->rx_hash_udp_4tuple) 844 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | 845 RXH_IP_SRC | RXH_IP_DST); 846 else 847 data = RXH_IP_SRC | RXH_IP_DST; 848 break; 849 case TCP_V4_FLOW: 850 case TCP_V6_FLOW: 851 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 | 852 RXH_IP_SRC | RXH_IP_DST); 853 break; 854 case SCTP_V4_FLOW: 855 case SCTP_V6_FLOW: 856 case AH_ESP_V4_FLOW: 857 case AH_ESP_V6_FLOW: 858 case IPV4_FLOW: 859 case IPV6_FLOW: 860 data = RXH_IP_SRC | RXH_IP_DST; 861 break; 862 default: 863 break; 864 } 865 out_setdata_unlock: 866 info->data = data; 867 out_unlock: 868 mutex_unlock(&efx->rss_lock); 869 return rc; 870 } 871 872 case ETHTOOL_GRXCLSRLCNT: 873 info->data = efx_filter_get_rx_id_limit(efx); 874 if (info->data == 0) 875 return -EOPNOTSUPP; 876 info->data |= RX_CLS_LOC_SPECIAL; 877 info->rule_cnt = 878 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL); 879 return 0; 880 881 case ETHTOOL_GRXCLSRULE: 882 if (efx_filter_get_rx_id_limit(efx) == 0) 883 return -EOPNOTSUPP; 884 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context); 885 if (rc < 0) 886 return rc; 887 if (info->fs.flow_type & FLOW_RSS) 888 info->rss_context = rss_context; 889 return 0; 890 891 case ETHTOOL_GRXCLSRLALL: 892 info->data = efx_filter_get_rx_id_limit(efx); 893 if (info->data == 0) 894 return -EOPNOTSUPP; 895 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL, 896 rule_locs, info->rule_cnt); 897 if (rc < 0) 898 return rc; 899 info->rule_cnt = rc; 900 return 0; 901 902 default: 903 return -EOPNOTSUPP; 904 } 905 } 906 907 static inline bool ip6_mask_is_full(__be32 mask[4]) 908 { 909 return !~(mask[0] & mask[1] & mask[2] & mask[3]); 910 } 911 912 static inline bool ip6_mask_is_empty(__be32 mask[4]) 913 { 914 return !(mask[0] | mask[1] | mask[2] | mask[3]); 915 } 916 917 static int efx_ethtool_set_class_rule(struct efx_nic *efx, 918 struct ethtool_rx_flow_spec *rule, 919 u32 rss_context) 920 { 921 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; 922 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; 923 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; 924 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; 925 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; 926 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; 927 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; 928 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; 929 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS); 930 struct ethhdr *mac_entry = &rule->h_u.ether_spec; 931 struct ethhdr *mac_mask = &rule->m_u.ether_spec; 932 enum efx_filter_flags flags = 0; 933 struct efx_filter_spec spec; 934 int rc; 935 936 /* Check that user wants us to choose the location */ 937 if (rule->location != RX_CLS_LOC_ANY) 938 return -EINVAL; 939 940 /* Range-check ring_cookie */ 941 if (rule->ring_cookie >= efx->n_rx_channels && 942 rule->ring_cookie != RX_CLS_FLOW_DISC) 943 return -EINVAL; 944 945 /* Check for unsupported extensions */ 946 if ((rule->flow_type & FLOW_EXT) && 947 (rule->m_ext.vlan_etype || rule->m_ext.data[0] || 948 rule->m_ext.data[1])) 949 return -EINVAL; 950 951 if (efx->rx_scatter) 952 flags |= EFX_FILTER_FLAG_RX_SCATTER; 953 if (rule->flow_type & FLOW_RSS) 954 flags |= EFX_FILTER_FLAG_RX_RSS; 955 956 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags, 957 (rule->ring_cookie == RX_CLS_FLOW_DISC) ? 958 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie); 959 960 if (rule->flow_type & FLOW_RSS) 961 spec.rss_context = rss_context; 962 963 switch (flow_type) { 964 case TCP_V4_FLOW: 965 case UDP_V4_FLOW: 966 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | 967 EFX_FILTER_MATCH_IP_PROTO); 968 spec.ether_type = htons(ETH_P_IP); 969 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP 970 : IPPROTO_UDP; 971 if (ip_mask->ip4dst) { 972 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK) 973 return -EINVAL; 974 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 975 spec.loc_host[0] = ip_entry->ip4dst; 976 } 977 if (ip_mask->ip4src) { 978 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK) 979 return -EINVAL; 980 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 981 spec.rem_host[0] = ip_entry->ip4src; 982 } 983 if (ip_mask->pdst) { 984 if (ip_mask->pdst != PORT_FULL_MASK) 985 return -EINVAL; 986 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; 987 spec.loc_port = ip_entry->pdst; 988 } 989 if (ip_mask->psrc) { 990 if (ip_mask->psrc != PORT_FULL_MASK) 991 return -EINVAL; 992 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; 993 spec.rem_port = ip_entry->psrc; 994 } 995 if (ip_mask->tos) 996 return -EINVAL; 997 break; 998 999 case TCP_V6_FLOW: 1000 case UDP_V6_FLOW: 1001 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | 1002 EFX_FILTER_MATCH_IP_PROTO); 1003 spec.ether_type = htons(ETH_P_IPV6); 1004 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP 1005 : IPPROTO_UDP; 1006 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) { 1007 if (!ip6_mask_is_full(ip6_mask->ip6dst)) 1008 return -EINVAL; 1009 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1010 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host)); 1011 } 1012 if (!ip6_mask_is_empty(ip6_mask->ip6src)) { 1013 if (!ip6_mask_is_full(ip6_mask->ip6src)) 1014 return -EINVAL; 1015 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1016 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host)); 1017 } 1018 if (ip6_mask->pdst) { 1019 if (ip6_mask->pdst != PORT_FULL_MASK) 1020 return -EINVAL; 1021 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; 1022 spec.loc_port = ip6_entry->pdst; 1023 } 1024 if (ip6_mask->psrc) { 1025 if (ip6_mask->psrc != PORT_FULL_MASK) 1026 return -EINVAL; 1027 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; 1028 spec.rem_port = ip6_entry->psrc; 1029 } 1030 if (ip6_mask->tclass) 1031 return -EINVAL; 1032 break; 1033 1034 case IPV4_USER_FLOW: 1035 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver || 1036 uip_entry->ip_ver != ETH_RX_NFC_IP4) 1037 return -EINVAL; 1038 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; 1039 spec.ether_type = htons(ETH_P_IP); 1040 if (uip_mask->ip4dst) { 1041 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK) 1042 return -EINVAL; 1043 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1044 spec.loc_host[0] = uip_entry->ip4dst; 1045 } 1046 if (uip_mask->ip4src) { 1047 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK) 1048 return -EINVAL; 1049 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1050 spec.rem_host[0] = uip_entry->ip4src; 1051 } 1052 if (uip_mask->proto) { 1053 if (uip_mask->proto != IP_PROTO_FULL_MASK) 1054 return -EINVAL; 1055 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; 1056 spec.ip_proto = uip_entry->proto; 1057 } 1058 break; 1059 1060 case IPV6_USER_FLOW: 1061 if (uip6_mask->l4_4_bytes || uip6_mask->tclass) 1062 return -EINVAL; 1063 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; 1064 spec.ether_type = htons(ETH_P_IPV6); 1065 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) { 1066 if (!ip6_mask_is_full(uip6_mask->ip6dst)) 1067 return -EINVAL; 1068 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; 1069 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host)); 1070 } 1071 if (!ip6_mask_is_empty(uip6_mask->ip6src)) { 1072 if (!ip6_mask_is_full(uip6_mask->ip6src)) 1073 return -EINVAL; 1074 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; 1075 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host)); 1076 } 1077 if (uip6_mask->l4_proto) { 1078 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK) 1079 return -EINVAL; 1080 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; 1081 spec.ip_proto = uip6_entry->l4_proto; 1082 } 1083 break; 1084 1085 case ETHER_FLOW: 1086 if (!is_zero_ether_addr(mac_mask->h_dest)) { 1087 if (ether_addr_equal(mac_mask->h_dest, 1088 mac_addr_ig_mask)) 1089 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG; 1090 else if (is_broadcast_ether_addr(mac_mask->h_dest)) 1091 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC; 1092 else 1093 return -EINVAL; 1094 ether_addr_copy(spec.loc_mac, mac_entry->h_dest); 1095 } 1096 if (!is_zero_ether_addr(mac_mask->h_source)) { 1097 if (!is_broadcast_ether_addr(mac_mask->h_source)) 1098 return -EINVAL; 1099 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC; 1100 ether_addr_copy(spec.rem_mac, mac_entry->h_source); 1101 } 1102 if (mac_mask->h_proto) { 1103 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK) 1104 return -EINVAL; 1105 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE; 1106 spec.ether_type = mac_entry->h_proto; 1107 } 1108 break; 1109 1110 default: 1111 return -EINVAL; 1112 } 1113 1114 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) { 1115 if (rule->m_ext.vlan_tci != htons(0xfff)) 1116 return -EINVAL; 1117 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID; 1118 spec.outer_vid = rule->h_ext.vlan_tci; 1119 } 1120 1121 rc = efx_filter_insert_filter(efx, &spec, true); 1122 if (rc < 0) 1123 return rc; 1124 1125 rule->location = rc; 1126 return 0; 1127 } 1128 1129 int efx_siena_ethtool_set_rxnfc(struct net_device *net_dev, 1130 struct ethtool_rxnfc *info) 1131 { 1132 struct efx_nic *efx = netdev_priv(net_dev); 1133 1134 if (efx_filter_get_rx_id_limit(efx) == 0) 1135 return -EOPNOTSUPP; 1136 1137 switch (info->cmd) { 1138 case ETHTOOL_SRXCLSRLINS: 1139 return efx_ethtool_set_class_rule(efx, &info->fs, 1140 info->rss_context); 1141 1142 case ETHTOOL_SRXCLSRLDEL: 1143 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL, 1144 info->fs.location); 1145 1146 default: 1147 return -EOPNOTSUPP; 1148 } 1149 } 1150 1151 u32 efx_siena_ethtool_get_rxfh_indir_size(struct net_device *net_dev) 1152 { 1153 struct efx_nic *efx = netdev_priv(net_dev); 1154 1155 if (efx->n_rx_channels == 1) 1156 return 0; 1157 return ARRAY_SIZE(efx->rss_context.rx_indir_table); 1158 } 1159 1160 u32 efx_siena_ethtool_get_rxfh_key_size(struct net_device *net_dev) 1161 { 1162 struct efx_nic *efx = netdev_priv(net_dev); 1163 1164 return efx->type->rx_hash_key_size; 1165 } 1166 1167 static int efx_siena_ethtool_get_rxfh_context(struct net_device *net_dev, 1168 struct ethtool_rxfh_param *rxfh) 1169 { 1170 struct efx_nic *efx = netdev_priv(net_dev); 1171 struct efx_rss_context *ctx; 1172 int rc = 0; 1173 1174 if (!efx->type->rx_pull_rss_context_config) 1175 return -EOPNOTSUPP; 1176 1177 mutex_lock(&efx->rss_lock); 1178 ctx = efx_siena_find_rss_context_entry(efx, rxfh->rss_context); 1179 if (!ctx) { 1180 rc = -ENOENT; 1181 goto out_unlock; 1182 } 1183 rc = efx->type->rx_pull_rss_context_config(efx, ctx); 1184 if (rc) 1185 goto out_unlock; 1186 1187 rxfh->hfunc = ETH_RSS_HASH_TOP; 1188 if (rxfh->indir) 1189 memcpy(rxfh->indir, ctx->rx_indir_table, 1190 sizeof(ctx->rx_indir_table)); 1191 if (rxfh->key) 1192 memcpy(rxfh->key, ctx->rx_hash_key, 1193 efx->type->rx_hash_key_size); 1194 out_unlock: 1195 mutex_unlock(&efx->rss_lock); 1196 return rc; 1197 } 1198 1199 int efx_siena_ethtool_get_rxfh(struct net_device *net_dev, 1200 struct ethtool_rxfh_param *rxfh) 1201 { 1202 struct efx_nic *efx = netdev_priv(net_dev); 1203 int rc; 1204 1205 if (rxfh->rss_context) 1206 return efx_siena_ethtool_get_rxfh_context(net_dev, rxfh); 1207 1208 rc = efx->type->rx_pull_rss_config(efx); 1209 if (rc) 1210 return rc; 1211 1212 rxfh->hfunc = ETH_RSS_HASH_TOP; 1213 if (rxfh->indir) 1214 memcpy(rxfh->indir, efx->rss_context.rx_indir_table, 1215 sizeof(efx->rss_context.rx_indir_table)); 1216 if (rxfh->key) 1217 memcpy(rxfh->key, efx->rss_context.rx_hash_key, 1218 efx->type->rx_hash_key_size); 1219 return 0; 1220 } 1221 1222 static int efx_siena_ethtool_set_rxfh_context(struct net_device *net_dev, 1223 struct ethtool_rxfh_param *rxfh, 1224 struct netlink_ext_ack *extack) 1225 { 1226 struct efx_nic *efx = netdev_priv(net_dev); 1227 u32 *rss_context = &rxfh->rss_context; 1228 struct efx_rss_context *ctx; 1229 u32 *indir = rxfh->indir; 1230 bool allocated = false; 1231 u8 *key = rxfh->key; 1232 int rc; 1233 1234 if (!efx->type->rx_push_rss_context_config) 1235 return -EOPNOTSUPP; 1236 1237 mutex_lock(&efx->rss_lock); 1238 1239 if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) { 1240 if (rxfh->rss_delete) { 1241 /* alloc + delete == Nothing to do */ 1242 rc = -EINVAL; 1243 goto out_unlock; 1244 } 1245 ctx = efx_siena_alloc_rss_context_entry(efx); 1246 if (!ctx) { 1247 rc = -ENOMEM; 1248 goto out_unlock; 1249 } 1250 ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID; 1251 /* Initialise indir table and key to defaults */ 1252 efx_siena_set_default_rx_indir_table(efx, ctx); 1253 netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key)); 1254 allocated = true; 1255 } else { 1256 ctx = efx_siena_find_rss_context_entry(efx, *rss_context); 1257 if (!ctx) { 1258 rc = -ENOENT; 1259 goto out_unlock; 1260 } 1261 } 1262 1263 if (rxfh->rss_delete) { 1264 /* delete this context */ 1265 rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL); 1266 if (!rc) 1267 efx_siena_free_rss_context_entry(ctx); 1268 goto out_unlock; 1269 } 1270 1271 if (!key) 1272 key = ctx->rx_hash_key; 1273 if (!indir) 1274 indir = ctx->rx_indir_table; 1275 1276 rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key); 1277 if (rc && allocated) 1278 efx_siena_free_rss_context_entry(ctx); 1279 else 1280 *rss_context = ctx->user_id; 1281 out_unlock: 1282 mutex_unlock(&efx->rss_lock); 1283 return rc; 1284 } 1285 1286 int efx_siena_ethtool_set_rxfh(struct net_device *net_dev, 1287 struct ethtool_rxfh_param *rxfh, 1288 struct netlink_ext_ack *extack) 1289 { 1290 struct efx_nic *efx = netdev_priv(net_dev); 1291 u32 *indir = rxfh->indir; 1292 u8 *key = rxfh->key; 1293 1294 /* Hash function is Toeplitz, cannot be changed */ 1295 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 1296 rxfh->hfunc != ETH_RSS_HASH_TOP) 1297 return -EOPNOTSUPP; 1298 1299 if (rxfh->rss_context) 1300 efx_siena_ethtool_set_rxfh_context(net_dev, rxfh, extack); 1301 1302 if (!indir && !key) 1303 return 0; 1304 1305 if (!key) 1306 key = efx->rss_context.rx_hash_key; 1307 if (!indir) 1308 indir = efx->rss_context.rx_indir_table; 1309 1310 return efx->type->rx_push_rss_config(efx, true, indir, key); 1311 } 1312 1313 int efx_siena_ethtool_reset(struct net_device *net_dev, u32 *flags) 1314 { 1315 struct efx_nic *efx = netdev_priv(net_dev); 1316 int rc; 1317 1318 rc = efx->type->map_reset_flags(flags); 1319 if (rc < 0) 1320 return rc; 1321 1322 return efx_siena_reset(efx, rc); 1323 } 1324 1325 int efx_siena_ethtool_get_module_eeprom(struct net_device *net_dev, 1326 struct ethtool_eeprom *ee, 1327 u8 *data) 1328 { 1329 struct efx_nic *efx = netdev_priv(net_dev); 1330 int ret; 1331 1332 mutex_lock(&efx->mac_lock); 1333 ret = efx_siena_mcdi_phy_get_module_eeprom(efx, ee, data); 1334 mutex_unlock(&efx->mac_lock); 1335 1336 return ret; 1337 } 1338 1339 int efx_siena_ethtool_get_module_info(struct net_device *net_dev, 1340 struct ethtool_modinfo *modinfo) 1341 { 1342 struct efx_nic *efx = netdev_priv(net_dev); 1343 int ret; 1344 1345 mutex_lock(&efx->mac_lock); 1346 ret = efx_siena_mcdi_phy_get_module_info(efx, modinfo); 1347 mutex_unlock(&efx->mac_lock); 1348 1349 return ret; 1350 } 1351