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1// SPDX-License-Identifier: GPL-2.0-only2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * Copyright 2019 Solarflare Communications Inc.5 *6 * This program is free software; you can redistribute it and/or modify it7 * under the terms of the GNU General Public License version 2 as published8 * 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 20struct 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_queue26 } 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 43static u64 efx_get_uint_stat(void *field)44{45 return *(unsigned int *)field;46}47 48static 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 68static 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_ACCEL95 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#endif99};100 101#define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)102 103void 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 114u32 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 121void 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 128void 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 138int 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 event186 * if the user just changed the advertised capabilities, but there's no187 * harm doing this twice */188 efx_siena_mac_reconfigure(efx, false);189 190out:191 mutex_unlock(&efx->mac_lock);192 193 return rc;194}195 196/**197 * efx_fill_test - fill in an individual self-test entry198 * @test_index: Index of the test199 * @strings: Ethtool strings, or %NULL200 * @data: Ethtool test results, or %NULL201 * @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 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 else225 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->channel234#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label235#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 entries240 * @efx: Efx NIC241 * @lb_tests: Efx loopback self-test results structure242 * @mode: Loopback test mode243 * @test_index: Starting index of the test244 * @strings: Ethtool strings, or %NULL245 * @data: Ethtool test results, or %NULL246 *247 * Fill in a block of loopback self-test entries. Return new test248 * index.249 */250static 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 details284 * @efx: Efx NIC285 * @tests: Efx self-test results structure, or %NULL286 * @strings: Ethtool strings, or %NULL287 * @data: Ethtool test results, or %NULL288 *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 that293 * they can never be inconsistent.294 */295static 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 350void 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 390out:391 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);392 kfree(efx_tests);393fail:394 if (rc)395 test->flags |= ETH_TEST_FL_FAILED;396}397 398static 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 442int 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 459void 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 486void 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_queue521 + 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. */561int 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. */584int585efx_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 605int 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 618int 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 */632static 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 0xFF636#define PORT_FULL_MASK ((__force __be16)~0)637#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)638 639static inline void ip6_fill_mask(__be32 *mask)640{641 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;642}643 644static 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 else669 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 else738 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 810int 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 __u64 data;824 825 data = 0;826 if (!efx_rss_active(&efx->rss_context)) /* No RSS */827 goto out_setdata;828 829 switch (info->flow_type) {830 case UDP_V4_FLOW:831 case UDP_V6_FLOW:832 if (efx->rss_context.rx_hash_udp_4tuple)833 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |834 RXH_IP_SRC | RXH_IP_DST);835 else836 data = RXH_IP_SRC | RXH_IP_DST;837 break;838 case TCP_V4_FLOW:839 case TCP_V6_FLOW:840 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |841 RXH_IP_SRC | RXH_IP_DST);842 break;843 case SCTP_V4_FLOW:844 case SCTP_V6_FLOW:845 case AH_ESP_V4_FLOW:846 case AH_ESP_V6_FLOW:847 case IPV4_FLOW:848 case IPV6_FLOW:849 data = RXH_IP_SRC | RXH_IP_DST;850 break;851 default:852 break;853 }854out_setdata:855 info->data = data;856 return rc;857 }858 859 case ETHTOOL_GRXCLSRLCNT:860 info->data = efx_filter_get_rx_id_limit(efx);861 if (info->data == 0)862 return -EOPNOTSUPP;863 info->data |= RX_CLS_LOC_SPECIAL;864 info->rule_cnt =865 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);866 return 0;867 868 case ETHTOOL_GRXCLSRULE:869 if (efx_filter_get_rx_id_limit(efx) == 0)870 return -EOPNOTSUPP;871 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);872 if (rc < 0)873 return rc;874 if (info->fs.flow_type & FLOW_RSS)875 info->rss_context = rss_context;876 return 0;877 878 case ETHTOOL_GRXCLSRLALL:879 info->data = efx_filter_get_rx_id_limit(efx);880 if (info->data == 0)881 return -EOPNOTSUPP;882 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,883 rule_locs, info->rule_cnt);884 if (rc < 0)885 return rc;886 info->rule_cnt = rc;887 return 0;888 889 default:890 return -EOPNOTSUPP;891 }892}893 894static inline bool ip6_mask_is_full(__be32 mask[4])895{896 return !~(mask[0] & mask[1] & mask[2] & mask[3]);897}898 899static inline bool ip6_mask_is_empty(__be32 mask[4])900{901 return !(mask[0] | mask[1] | mask[2] | mask[3]);902}903 904static int efx_ethtool_set_class_rule(struct efx_nic *efx,905 struct ethtool_rx_flow_spec *rule,906 u32 rss_context)907{908 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;909 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;910 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;911 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;912 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;913 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;914 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;915 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;916 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);917 struct ethhdr *mac_entry = &rule->h_u.ether_spec;918 struct ethhdr *mac_mask = &rule->m_u.ether_spec;919 enum efx_filter_flags flags = 0;920 struct efx_filter_spec spec;921 int rc;922 923 /* Check that user wants us to choose the location */924 if (rule->location != RX_CLS_LOC_ANY)925 return -EINVAL;926 927 /* Range-check ring_cookie */928 if (rule->ring_cookie >= efx->n_rx_channels &&929 rule->ring_cookie != RX_CLS_FLOW_DISC)930 return -EINVAL;931 932 /* Check for unsupported extensions */933 if ((rule->flow_type & FLOW_EXT) &&934 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||935 rule->m_ext.data[1]))936 return -EINVAL;937 938 if (efx->rx_scatter)939 flags |= EFX_FILTER_FLAG_RX_SCATTER;940 if (rule->flow_type & FLOW_RSS)941 flags |= EFX_FILTER_FLAG_RX_RSS;942 943 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,944 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?945 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);946 947 if (rule->flow_type & FLOW_RSS)948 spec.rss_context = rss_context;949 950 switch (flow_type) {951 case TCP_V4_FLOW:952 case UDP_V4_FLOW:953 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |954 EFX_FILTER_MATCH_IP_PROTO);955 spec.ether_type = htons(ETH_P_IP);956 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP957 : IPPROTO_UDP;958 if (ip_mask->ip4dst) {959 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)960 return -EINVAL;961 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;962 spec.loc_host[0] = ip_entry->ip4dst;963 }964 if (ip_mask->ip4src) {965 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)966 return -EINVAL;967 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;968 spec.rem_host[0] = ip_entry->ip4src;969 }970 if (ip_mask->pdst) {971 if (ip_mask->pdst != PORT_FULL_MASK)972 return -EINVAL;973 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;974 spec.loc_port = ip_entry->pdst;975 }976 if (ip_mask->psrc) {977 if (ip_mask->psrc != PORT_FULL_MASK)978 return -EINVAL;979 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;980 spec.rem_port = ip_entry->psrc;981 }982 if (ip_mask->tos)983 return -EINVAL;984 break;985 986 case TCP_V6_FLOW:987 case UDP_V6_FLOW:988 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |989 EFX_FILTER_MATCH_IP_PROTO);990 spec.ether_type = htons(ETH_P_IPV6);991 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP992 : IPPROTO_UDP;993 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {994 if (!ip6_mask_is_full(ip6_mask->ip6dst))995 return -EINVAL;996 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;997 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));998 }999 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {1000 if (!ip6_mask_is_full(ip6_mask->ip6src))1001 return -EINVAL;1002 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;1003 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));1004 }1005 if (ip6_mask->pdst) {1006 if (ip6_mask->pdst != PORT_FULL_MASK)1007 return -EINVAL;1008 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;1009 spec.loc_port = ip6_entry->pdst;1010 }1011 if (ip6_mask->psrc) {1012 if (ip6_mask->psrc != PORT_FULL_MASK)1013 return -EINVAL;1014 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;1015 spec.rem_port = ip6_entry->psrc;1016 }1017 if (ip6_mask->tclass)1018 return -EINVAL;1019 break;1020 1021 case IPV4_USER_FLOW:1022 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||1023 uip_entry->ip_ver != ETH_RX_NFC_IP4)1024 return -EINVAL;1025 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;1026 spec.ether_type = htons(ETH_P_IP);1027 if (uip_mask->ip4dst) {1028 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)1029 return -EINVAL;1030 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;1031 spec.loc_host[0] = uip_entry->ip4dst;1032 }1033 if (uip_mask->ip4src) {1034 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)1035 return -EINVAL;1036 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;1037 spec.rem_host[0] = uip_entry->ip4src;1038 }1039 if (uip_mask->proto) {1040 if (uip_mask->proto != IP_PROTO_FULL_MASK)1041 return -EINVAL;1042 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;1043 spec.ip_proto = uip_entry->proto;1044 }1045 break;1046 1047 case IPV6_USER_FLOW:1048 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)1049 return -EINVAL;1050 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;1051 spec.ether_type = htons(ETH_P_IPV6);1052 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {1053 if (!ip6_mask_is_full(uip6_mask->ip6dst))1054 return -EINVAL;1055 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;1056 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));1057 }1058 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {1059 if (!ip6_mask_is_full(uip6_mask->ip6src))1060 return -EINVAL;1061 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;1062 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));1063 }1064 if (uip6_mask->l4_proto) {1065 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)1066 return -EINVAL;1067 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;1068 spec.ip_proto = uip6_entry->l4_proto;1069 }1070 break;1071 1072 case ETHER_FLOW:1073 if (!is_zero_ether_addr(mac_mask->h_dest)) {1074 if (ether_addr_equal(mac_mask->h_dest,1075 mac_addr_ig_mask))1076 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;1077 else if (is_broadcast_ether_addr(mac_mask->h_dest))1078 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;1079 else1080 return -EINVAL;1081 ether_addr_copy(spec.loc_mac, mac_entry->h_dest);1082 }1083 if (!is_zero_ether_addr(mac_mask->h_source)) {1084 if (!is_broadcast_ether_addr(mac_mask->h_source))1085 return -EINVAL;1086 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;1087 ether_addr_copy(spec.rem_mac, mac_entry->h_source);1088 }1089 if (mac_mask->h_proto) {1090 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)1091 return -EINVAL;1092 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;1093 spec.ether_type = mac_entry->h_proto;1094 }1095 break;1096 1097 default:1098 return -EINVAL;1099 }1100 1101 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {1102 if (rule->m_ext.vlan_tci != htons(0xfff))1103 return -EINVAL;1104 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;1105 spec.outer_vid = rule->h_ext.vlan_tci;1106 }1107 1108 rc = efx_filter_insert_filter(efx, &spec, true);1109 if (rc < 0)1110 return rc;1111 1112 rule->location = rc;1113 return 0;1114}1115 1116int efx_siena_ethtool_set_rxnfc(struct net_device *net_dev,1117 struct ethtool_rxnfc *info)1118{1119 struct efx_nic *efx = netdev_priv(net_dev);1120 1121 if (efx_filter_get_rx_id_limit(efx) == 0)1122 return -EOPNOTSUPP;1123 1124 switch (info->cmd) {1125 case ETHTOOL_SRXCLSRLINS:1126 return efx_ethtool_set_class_rule(efx, &info->fs,1127 info->rss_context);1128 1129 case ETHTOOL_SRXCLSRLDEL:1130 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,1131 info->fs.location);1132 1133 default:1134 return -EOPNOTSUPP;1135 }1136}1137 1138u32 efx_siena_ethtool_get_rxfh_indir_size(struct net_device *net_dev)1139{1140 struct efx_nic *efx = netdev_priv(net_dev);1141 1142 if (efx->n_rx_channels == 1)1143 return 0;1144 return ARRAY_SIZE(efx->rss_context.rx_indir_table);1145}1146 1147u32 efx_siena_ethtool_get_rxfh_key_size(struct net_device *net_dev)1148{1149 struct efx_nic *efx = netdev_priv(net_dev);1150 1151 return efx->type->rx_hash_key_size;1152}1153 1154int efx_siena_ethtool_get_rxfh(struct net_device *net_dev,1155 struct ethtool_rxfh_param *rxfh)1156{1157 struct efx_nic *efx = netdev_priv(net_dev);1158 int rc;1159 1160 rc = efx->type->rx_pull_rss_config(efx);1161 if (rc)1162 return rc;1163 1164 rxfh->hfunc = ETH_RSS_HASH_TOP;1165 if (rxfh->indir)1166 memcpy(rxfh->indir, efx->rss_context.rx_indir_table,1167 sizeof(efx->rss_context.rx_indir_table));1168 if (rxfh->key)1169 memcpy(rxfh->key, efx->rss_context.rx_hash_key,1170 efx->type->rx_hash_key_size);1171 return 0;1172}1173 1174int efx_siena_ethtool_set_rxfh(struct net_device *net_dev,1175 struct ethtool_rxfh_param *rxfh,1176 struct netlink_ext_ack *extack)1177{1178 struct efx_nic *efx = netdev_priv(net_dev);1179 u32 *indir = rxfh->indir;1180 u8 *key = rxfh->key;1181 1182 /* Hash function is Toeplitz, cannot be changed */1183 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&1184 rxfh->hfunc != ETH_RSS_HASH_TOP)1185 return -EOPNOTSUPP;1186 1187 if (!indir && !key)1188 return 0;1189 1190 if (!key)1191 key = efx->rss_context.rx_hash_key;1192 if (!indir)1193 indir = efx->rss_context.rx_indir_table;1194 1195 return efx->type->rx_push_rss_config(efx, true, indir, key);1196}1197 1198int efx_siena_ethtool_reset(struct net_device *net_dev, u32 *flags)1199{1200 struct efx_nic *efx = netdev_priv(net_dev);1201 int rc;1202 1203 rc = efx->type->map_reset_flags(flags);1204 if (rc < 0)1205 return rc;1206 1207 return efx_siena_reset(efx, rc);1208}1209 1210int efx_siena_ethtool_get_module_eeprom(struct net_device *net_dev,1211 struct ethtool_eeprom *ee,1212 u8 *data)1213{1214 struct efx_nic *efx = netdev_priv(net_dev);1215 int ret;1216 1217 mutex_lock(&efx->mac_lock);1218 ret = efx_siena_mcdi_phy_get_module_eeprom(efx, ee, data);1219 mutex_unlock(&efx->mac_lock);1220 1221 return ret;1222}1223 1224int efx_siena_ethtool_get_module_info(struct net_device *net_dev,1225 struct ethtool_modinfo *modinfo)1226{1227 struct efx_nic *efx = netdev_priv(net_dev);1228 int ret;1229 1230 mutex_lock(&efx->mac_lock);1231 ret = efx_siena_mcdi_phy_get_module_info(efx, modinfo);1232 mutex_unlock(&efx->mac_lock);1233 1234 return ret;1235}1236