| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ben Hutchings | 4270 | 55.43% | 79 | 69.91% |
| Edward Cree | 2816 | 36.55% | 14 | 12.39% |
| Andrew Rybchenko | 235 | 3.05% | 2 | 1.77% |
| Stuart Hodgson | 162 | 2.10% | 2 | 1.77% |
| Philippe Reynes | 63 | 0.82% | 1 | 0.88% |
| Jon Cooper | 58 | 0.75% | 4 | 3.54% |
| Eyal Perry | 43 | 0.56% | 1 | 0.88% |
| Eric Dumazet | 34 | 0.44% | 2 | 1.77% |
| Bruce W Allan | 7 | 0.09% | 1 | 0.88% |
| Bert Kenward | 5 | 0.06% | 1 | 0.88% |
| David Decotigny | 4 | 0.05% | 1 | 0.88% |
| Stephen Hemminger | 4 | 0.05% | 2 | 1.77% |
| David S. Miller | 1 | 0.01% | 1 | 0.88% |
| Joe Perches | 1 | 0.01% | 1 | 0.88% |
| Fengguang Wu | 1 | 0.01% | 1 | 0.88% |
| Total | 7704 | 113 |
/**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2005-2006 Fen Systems Ltd. * Copyright 2006-2013 Solarflare Communications Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation, incorporated herein by reference. */ #include <linux/netdevice.h> #include <linux/ethtool.h> #include <linux/rtnetlink.h> #include <linux/in.h> #include "net_driver.h" #include "workarounds.h" #include "selftest.h" #include "efx.h" #include "filter.h" #include "nic.h" struct efx_sw_stat_desc { const char *name; enum { EFX_ETHTOOL_STAT_SOURCE_nic, EFX_ETHTOOL_STAT_SOURCE_channel, EFX_ETHTOOL_STAT_SOURCE_tx_queue } source; unsigned offset; u64(*get_stat) (void *field); /* Reader function */ }; /* Initialiser for a struct efx_sw_stat_desc with type-checking */ #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ get_stat_function) { \ .name = #stat_name, \ .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ .offset = ((((field_type *) 0) == \ &((struct efx_##source_name *)0)->field) ? \ offsetof(struct efx_##source_name, field) : \ offsetof(struct efx_##source_name, field)), \ .get_stat = get_stat_function, \ } static u64 efx_get_uint_stat(void *field) { return *(unsigned int *)field; } static u64 efx_get_atomic_stat(void *field) { return atomic_read((atomic_t *) field); } #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ EFX_ETHTOOL_STAT(field, nic, field, \ atomic_t, efx_get_atomic_stat) #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ EFX_ETHTOOL_STAT(field, channel, n_##field, \ unsigned int, efx_get_uint_stat) #define EFX_ETHTOOL_UINT_TXQ_STAT(field) \ EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \ unsigned int, efx_get_uint_stat) static const struct efx_sw_stat_desc efx_sw_stat_desc[] = { EFX_ETHTOOL_UINT_TXQ_STAT(merge_events), EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts), EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers), EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets), EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks), EFX_ETHTOOL_UINT_TXQ_STAT(pushes), EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets), EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets), EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events), EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets), }; #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc) #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB /************************************************************************** * * Ethtool operations * ************************************************************************** */ /* Identify device by flashing LEDs */ static int efx_ethtool_phys_id(struct net_device *net_dev, enum ethtool_phys_id_state state) { struct efx_nic *efx = netdev_priv(net_dev); enum efx_led_mode mode = EFX_LED_DEFAULT; switch (state) { case ETHTOOL_ID_ON: mode = EFX_LED_ON; break; case ETHTOOL_ID_OFF: mode = EFX_LED_OFF; break; case ETHTOOL_ID_INACTIVE: mode = EFX_LED_DEFAULT; break; case ETHTOOL_ID_ACTIVE: return 1; /* cycle on/off once per second */ } efx->type->set_id_led(efx, mode); return 0; } /* This must be called with rtnl_lock held. */ static int efx_ethtool_get_link_ksettings(struct net_device *net_dev, struct ethtool_link_ksettings *cmd) { struct efx_nic *efx = netdev_priv(net_dev); struct efx_link_state *link_state = &efx->link_state; u32 supported; mutex_lock(&efx->mac_lock); efx->phy_op->get_link_ksettings(efx, cmd); mutex_unlock(&efx->mac_lock); /* Both MACs support pause frames (bidirectional and respond-only) */ ethtool_convert_link_mode_to_legacy_u32(&supported, cmd->link_modes.supported); supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, supported); if (LOOPBACK_INTERNAL(efx)) { cmd->base.speed = link_state->speed; cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; } return 0; } /* This must be called with rtnl_lock held. */ static int efx_ethtool_set_link_ksettings(struct net_device *net_dev, const struct ethtool_link_ksettings *cmd) { struct efx_nic *efx = netdev_priv(net_dev); int rc; /* GMAC does not support 1000Mbps HD */ if ((cmd->base.speed == SPEED_1000) && (cmd->base.duplex != DUPLEX_FULL)) { netif_dbg(efx, drv, efx->net_dev, "rejecting unsupported 1000Mbps HD setting\n"); return -EINVAL; } mutex_lock(&efx->mac_lock); rc = efx->phy_op->set_link_ksettings(efx, cmd); mutex_unlock(&efx->mac_lock); return rc; } static void efx_ethtool_get_drvinfo(struct net_device *net_dev, struct ethtool_drvinfo *info) { struct efx_nic *efx = netdev_priv(net_dev); strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version)); efx_mcdi_print_fwver(efx, info->fw_version, sizeof(info->fw_version)); strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); } static int efx_ethtool_get_regs_len(struct net_device *net_dev) { return efx_nic_get_regs_len(netdev_priv(net_dev)); } static void efx_ethtool_get_regs(struct net_device *net_dev, struct ethtool_regs *regs, void *buf) { struct efx_nic *efx = netdev_priv(net_dev); regs->version = efx->type->revision; efx_nic_get_regs(efx, buf); } static u32 efx_ethtool_get_msglevel(struct net_device *net_dev) { struct efx_nic *efx = netdev_priv(net_dev); return efx->msg_enable; } static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) { struct efx_nic *efx = netdev_priv(net_dev); efx->msg_enable = msg_enable; } /** * efx_fill_test - fill in an individual self-test entry * @test_index: Index of the test * @strings: Ethtool strings, or %NULL * @data: Ethtool test results, or %NULL * @test: Pointer to test result (used only if data != %NULL) * @unit_format: Unit name format (e.g. "chan\%d") * @unit_id: Unit id (e.g. 0 for "chan0") * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") * * Fill in an individual self-test entry. */ static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data, int *test, const char *unit_format, int unit_id, const char *test_format, const char *test_id) { char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN]; /* Fill data value, if applicable */ if (data) data[test_index] = *test; /* Fill string, if applicable */ if (strings) { if (strchr(unit_format, '%')) snprintf(unit_str, sizeof(unit_str), unit_format, unit_id); else strcpy(unit_str, unit_format); snprintf(test_str, sizeof(test_str), test_format, test_id); snprintf(strings + test_index * ETH_GSTRING_LEN, ETH_GSTRING_LEN, "%-6s %-24s", unit_str, test_str); } } #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue #define EFX_LOOPBACK_NAME(_mode, _counter) \ "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) /** * efx_fill_loopback_test - fill in a block of loopback self-test entries * @efx: Efx NIC * @lb_tests: Efx loopback self-test results structure * @mode: Loopback test mode * @test_index: Starting index of the test * @strings: Ethtool strings, or %NULL * @data: Ethtool test results, or %NULL * * Fill in a block of loopback self-test entries. Return new test * index. */ static int efx_fill_loopback_test(struct efx_nic *efx, struct efx_loopback_self_tests *lb_tests, enum efx_loopback_mode mode, unsigned int test_index, u8 *strings, u64 *data) { struct efx_channel *channel = efx_get_channel(efx, efx->tx_channel_offset); struct efx_tx_queue *tx_queue; efx_for_each_channel_tx_queue(tx_queue, channel) { efx_fill_test(test_index++, strings, data, &lb_tests->tx_sent[tx_queue->queue], EFX_TX_QUEUE_NAME(tx_queue), EFX_LOOPBACK_NAME(mode, "tx_sent")); efx_fill_test(test_index++, strings, data, &lb_tests->tx_done[tx_queue->queue], EFX_TX_QUEUE_NAME(tx_queue), EFX_LOOPBACK_NAME(mode, "tx_done")); } efx_fill_test(test_index++, strings, data, &lb_tests->rx_good, "rx", 0, EFX_LOOPBACK_NAME(mode, "rx_good")); efx_fill_test(test_index++, strings, data, &lb_tests->rx_bad, "rx", 0, EFX_LOOPBACK_NAME(mode, "rx_bad")); return test_index; } /** * efx_ethtool_fill_self_tests - get self-test details * @efx: Efx NIC * @tests: Efx self-test results structure, or %NULL * @strings: Ethtool strings, or %NULL * @data: Ethtool test results, or %NULL * * Get self-test number of strings, strings, and/or test results. * Return number of strings (== number of test results). * * The reason for merging these three functions is to make sure that * they can never be inconsistent. */ static int efx_ethtool_fill_self_tests(struct efx_nic *efx, struct efx_self_tests *tests, u8 *strings, u64 *data) { struct efx_channel *channel; unsigned int n = 0, i; enum efx_loopback_mode mode; efx_fill_test(n++, strings, data, &tests->phy_alive, "phy", 0, "alive", NULL); efx_fill_test(n++, strings, data, &tests->nvram, "core", 0, "nvram", NULL); efx_fill_test(n++, strings, data, &tests->interrupt, "core", 0, "interrupt", NULL); /* Event queues */ efx_for_each_channel(channel, efx) { efx_fill_test(n++, strings, data, &tests->eventq_dma[channel->channel], EFX_CHANNEL_NAME(channel), "eventq.dma", NULL); efx_fill_test(n++, strings, data, &tests->eventq_int[channel->channel], EFX_CHANNEL_NAME(channel), "eventq.int", NULL); } efx_fill_test(n++, strings, data, &tests->memory, "core", 0, "memory", NULL); efx_fill_test(n++, strings, data, &tests->registers, "core", 0, "registers", NULL); if (efx->phy_op->run_tests != NULL) { EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL); for (i = 0; true; ++i) { const char *name; EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS); name = efx->phy_op->test_name(efx, i); if (name == NULL) break; efx_fill_test(n++, strings, data, &tests->phy_ext[i], "phy", 0, name, NULL); } } /* Loopback tests */ for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { if (!(efx->loopback_modes & (1 << mode))) continue; n = efx_fill_loopback_test(efx, &tests->loopback[mode], mode, n, strings, data); } return n; } static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings) { size_t n_stats = 0; struct efx_channel *channel; efx_for_each_channel(channel, efx) { if (efx_channel_has_tx_queues(channel)) { n_stats++; if (strings != NULL) { snprintf(strings, ETH_GSTRING_LEN, "tx-%u.tx_packets", channel->tx_queue[0].queue / EFX_TXQ_TYPES); strings += ETH_GSTRING_LEN; } } } efx_for_each_channel(channel, efx) { if (efx_channel_has_rx_queue(channel)) { n_stats++; if (strings != NULL) { snprintf(strings, ETH_GSTRING_LEN, "rx-%d.rx_packets", channel->channel); strings += ETH_GSTRING_LEN; } } } return n_stats; } static int efx_ethtool_get_sset_count(struct net_device *net_dev, int string_set) { struct efx_nic *efx = netdev_priv(net_dev); switch (string_set) { case ETH_SS_STATS: return efx->type->describe_stats(efx, NULL) + EFX_ETHTOOL_SW_STAT_COUNT + efx_describe_per_queue_stats(efx, NULL) + efx_ptp_describe_stats(efx, NULL); case ETH_SS_TEST: return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL); default: return -EINVAL; } } static void efx_ethtool_get_strings(struct net_device *net_dev, u32 string_set, u8 *strings) { struct efx_nic *efx = netdev_priv(net_dev); int i; switch (string_set) { case ETH_SS_STATS: strings += (efx->type->describe_stats(efx, strings) * ETH_GSTRING_LEN); for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) strlcpy(strings + i * ETH_GSTRING_LEN, efx_sw_stat_desc[i].name, ETH_GSTRING_LEN); strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN; strings += (efx_describe_per_queue_stats(efx, strings) * ETH_GSTRING_LEN); efx_ptp_describe_stats(efx, strings); break; case ETH_SS_TEST: efx_ethtool_fill_self_tests(efx, NULL, strings, NULL); break; default: /* No other string sets */ break; } } static void efx_ethtool_get_stats(struct net_device *net_dev, struct ethtool_stats *stats, u64 *data) { struct efx_nic *efx = netdev_priv(net_dev); const struct efx_sw_stat_desc *stat; struct efx_channel *channel; struct efx_tx_queue *tx_queue; struct efx_rx_queue *rx_queue; int i; spin_lock_bh(&efx->stats_lock); /* Get NIC statistics */ data += efx->type->update_stats(efx, data, NULL); /* Get software statistics */ for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) { stat = &efx_sw_stat_desc[i]; switch (stat->source) { case EFX_ETHTOOL_STAT_SOURCE_nic: data[i] = stat->get_stat((void *)efx + stat->offset); break; case EFX_ETHTOOL_STAT_SOURCE_channel: data[i] = 0; efx_for_each_channel(channel, efx) data[i] += stat->get_stat((void *)channel + stat->offset); break; case EFX_ETHTOOL_STAT_SOURCE_tx_queue: data[i] = 0; efx_for_each_channel(channel, efx) { efx_for_each_channel_tx_queue(tx_queue, channel) data[i] += stat->get_stat((void *)tx_queue + stat->offset); } break; } } data += EFX_ETHTOOL_SW_STAT_COUNT; spin_unlock_bh(&efx->stats_lock); efx_for_each_channel(channel, efx) { if (efx_channel_has_tx_queues(channel)) { *data = 0; efx_for_each_channel_tx_queue(tx_queue, channel) { *data += tx_queue->tx_packets; } data++; } } efx_for_each_channel(channel, efx) { if (efx_channel_has_rx_queue(channel)) { *data = 0; efx_for_each_channel_rx_queue(rx_queue, channel) { *data += rx_queue->rx_packets; } data++; } } efx_ptp_update_stats(efx, data); } static void efx_ethtool_self_test(struct net_device *net_dev, struct ethtool_test *test, u64 *data) { struct efx_nic *efx = netdev_priv(net_dev); struct efx_self_tests *efx_tests; bool already_up; int rc = -ENOMEM; efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL); if (!efx_tests) goto fail; if (efx->state != STATE_READY) { rc = -EBUSY; goto out; } netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); /* We need rx buffers and interrupts. */ already_up = (efx->net_dev->flags & IFF_UP); if (!already_up) { rc = dev_open(efx->net_dev); if (rc) { netif_err(efx, drv, efx->net_dev, "failed opening device.\n"); goto out; } } rc = efx_selftest(efx, efx_tests, test->flags); if (!already_up) dev_close(efx->net_dev); netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", rc == 0 ? "passed" : "failed", (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); out: efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data); kfree(efx_tests); fail: if (rc) test->flags |= ETH_TEST_FL_FAILED; } /* Restart autonegotiation */ static int efx_ethtool_nway_reset(struct net_device *net_dev) { struct efx_nic *efx = netdev_priv(net_dev); return mdio45_nway_restart(&efx->mdio); } /* * Each channel has a single IRQ and moderation timer, started by any * completion (or other event). Unless the module parameter * separate_tx_channels is set, IRQs and moderation are therefore * shared between RX and TX completions. In this case, when RX IRQ * moderation is explicitly changed then TX IRQ moderation is * automatically changed too, but otherwise we fail if the two values * are requested to be different. * * The hardware does not support a limit on the number of completions * before an IRQ, so we do not use the max_frames fields. We should * report and require that max_frames == (usecs != 0), but this would * invalidate existing user documentation. * * The hardware does not have distinct settings for interrupt * moderation while the previous IRQ is being handled, so we should * not use the 'irq' fields. However, an earlier developer * misunderstood the meaning of the 'irq' fields and the driver did * not support the standard fields. To avoid invalidating existing * user documentation, we report and accept changes through either the * standard or 'irq' fields. If both are changed at the same time, we * prefer the standard field. * * We implement adaptive IRQ moderation, but use a different algorithm * from that assumed in the definition of struct ethtool_coalesce. * Therefore we do not use any of the adaptive moderation parameters * in it. */ static int efx_ethtool_get_coalesce(struct net_device *net_dev, struct ethtool_coalesce *coalesce) { struct efx_nic *efx = netdev_priv(net_dev); unsigned int tx_usecs, rx_usecs; bool rx_adaptive; efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive); coalesce->tx_coalesce_usecs = tx_usecs; coalesce->tx_coalesce_usecs_irq = tx_usecs; coalesce->rx_coalesce_usecs = rx_usecs; coalesce->rx_coalesce_usecs_irq = rx_usecs; coalesce->use_adaptive_rx_coalesce = rx_adaptive; return 0; } static int efx_ethtool_set_coalesce(struct net_device *net_dev, struct ethtool_coalesce *coalesce) { struct efx_nic *efx = netdev_priv(net_dev); struct efx_channel *channel; unsigned int tx_usecs, rx_usecs; bool adaptive, rx_may_override_tx; int rc; if (coalesce->use_adaptive_tx_coalesce) return -EINVAL; efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive); if (coalesce->rx_coalesce_usecs != rx_usecs) rx_usecs = coalesce->rx_coalesce_usecs; else rx_usecs = coalesce->rx_coalesce_usecs_irq; adaptive = coalesce->use_adaptive_rx_coalesce; /* If channels are shared, TX IRQ moderation can be quietly * overridden unless it is changed from its old value. */ rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs && coalesce->tx_coalesce_usecs_irq == tx_usecs); if (coalesce->tx_coalesce_usecs != tx_usecs) tx_usecs = coalesce->tx_coalesce_usecs; else tx_usecs = coalesce->tx_coalesce_usecs_irq; rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive, rx_may_override_tx); if (rc != 0) return rc; efx_for_each_channel(channel, efx) efx->type->push_irq_moderation(channel); return 0; } static void efx_ethtool_get_ringparam(struct net_device *net_dev, struct ethtool_ringparam *ring) { struct efx_nic *efx = netdev_priv(net_dev); ring->rx_max_pending = EFX_MAX_DMAQ_SIZE; ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx); ring->rx_pending = efx->rxq_entries; ring->tx_pending = efx->txq_entries; } static int efx_ethtool_set_ringparam(struct net_device *net_dev, struct ethtool_ringparam *ring) { struct efx_nic *efx = netdev_priv(net_dev); u32 txq_entries; if (ring->rx_mini_pending || ring->rx_jumbo_pending || ring->rx_pending > EFX_MAX_DMAQ_SIZE || ring->tx_pending > EFX_TXQ_MAX_ENT(efx)) return -EINVAL; if (ring->rx_pending < EFX_RXQ_MIN_ENT) { netif_err(efx, drv, efx->net_dev, "RX queues cannot be smaller than %u\n", EFX_RXQ_MIN_ENT); return -EINVAL; } txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx)); if (txq_entries != ring->tx_pending) netif_warn(efx, drv, efx->net_dev, "increasing TX queue size to minimum of %u\n", txq_entries); return efx_realloc_channels(efx, ring->rx_pending, txq_entries); } static int efx_ethtool_set_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *pause) { struct efx_nic *efx = netdev_priv(net_dev); u8 wanted_fc, old_fc; u32 old_adv; int rc = 0; mutex_lock(&efx->mac_lock); wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | (pause->tx_pause ? EFX_FC_TX : 0) | (pause->autoneg ? EFX_FC_AUTO : 0)); if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { netif_dbg(efx, drv, efx->net_dev, "Flow control unsupported: tx ON rx OFF\n"); rc = -EINVAL; goto out; } if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) { netif_dbg(efx, drv, efx->net_dev, "Autonegotiation is disabled\n"); rc = -EINVAL; goto out; } /* Hook for Falcon bug 11482 workaround */ if (efx->type->prepare_enable_fc_tx && (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX)) efx->type->prepare_enable_fc_tx(efx); old_adv = efx->link_advertising[0]; old_fc = efx->wanted_fc; efx_link_set_wanted_fc(efx, wanted_fc); if (efx->link_advertising[0] != old_adv || (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { rc = efx->phy_op->reconfigure(efx); if (rc) { netif_err(efx, drv, efx->net_dev, "Unable to advertise requested flow " "control setting\n"); goto out; } } /* Reconfigure the MAC. The PHY *may* generate a link state change event * if the user just changed the advertised capabilities, but there's no * harm doing this twice */ efx_mac_reconfigure(efx); out: mutex_unlock(&efx->mac_lock); return rc; } static void efx_ethtool_get_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *pause) { struct efx_nic *efx = netdev_priv(net_dev); pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); } static void efx_ethtool_get_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) { struct efx_nic *efx = netdev_priv(net_dev); return efx->type->get_wol(efx, wol); } static int efx_ethtool_set_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) { struct efx_nic *efx = netdev_priv(net_dev); return efx->type->set_wol(efx, wol->wolopts); } static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags) { struct efx_nic *efx = netdev_priv(net_dev); int rc; rc = efx->type->map_reset_flags(flags); if (rc < 0) return rc; return efx_reset(efx, rc); } /* MAC address mask including only I/G bit */ static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0}; #define IP4_ADDR_FULL_MASK ((__force __be32)~0) #define IP_PROTO_FULL_MASK 0xFF #define PORT_FULL_MASK ((__force __be16)~0) #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) static inline void ip6_fill_mask(__be32 *mask) { mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0; } static int efx_ethtool_get_class_rule(struct efx_nic *efx, struct ethtool_rx_flow_spec *rule, u32 *rss_context) { struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; struct ethhdr *mac_entry = &rule->h_u.ether_spec; struct ethhdr *mac_mask = &rule->m_u.ether_spec; struct efx_filter_spec spec; int rc; rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL, rule->location, &spec); if (rc) return rc; if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP) rule->ring_cookie = RX_CLS_FLOW_DISC; else rule->ring_cookie = spec.dmaq_id; if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) && spec.ether_type == htons(ETH_P_IP) && (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) && (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && !(spec.match_flags & ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_IP_PROTO | EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) { rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? TCP_V4_FLOW : UDP_V4_FLOW); if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { ip_entry->ip4dst = spec.loc_host[0]; ip_mask->ip4dst = IP4_ADDR_FULL_MASK; } if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { ip_entry->ip4src = spec.rem_host[0]; ip_mask->ip4src = IP4_ADDR_FULL_MASK; } if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) { ip_entry->pdst = spec.loc_port; ip_mask->pdst = PORT_FULL_MASK; } if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) { ip_entry->psrc = spec.rem_port; ip_mask->psrc = PORT_FULL_MASK; } } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) && spec.ether_type == htons(ETH_P_IPV6) && (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) && (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) && !(spec.match_flags & ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_IP_PROTO | EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) { rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ? TCP_V6_FLOW : UDP_V6_FLOW); if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { memcpy(ip6_entry->ip6dst, spec.loc_host, sizeof(ip6_entry->ip6dst)); ip6_fill_mask(ip6_mask->ip6dst); } if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { memcpy(ip6_entry->ip6src, spec.rem_host, sizeof(ip6_entry->ip6src)); ip6_fill_mask(ip6_mask->ip6src); } if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) { ip6_entry->pdst = spec.loc_port; ip6_mask->pdst = PORT_FULL_MASK; } if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) { ip6_entry->psrc = spec.rem_port; ip6_mask->psrc = PORT_FULL_MASK; } } else if (!(spec.match_flags & ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG | EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID))) { rule->flow_type = ETHER_FLOW; if (spec.match_flags & (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) { ether_addr_copy(mac_entry->h_dest, spec.loc_mac); if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC) eth_broadcast_addr(mac_mask->h_dest); else ether_addr_copy(mac_mask->h_dest, mac_addr_ig_mask); } if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) { ether_addr_copy(mac_entry->h_source, spec.rem_mac); eth_broadcast_addr(mac_mask->h_source); } if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) { mac_entry->h_proto = spec.ether_type; mac_mask->h_proto = ETHER_TYPE_FULL_MASK; } } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE && spec.ether_type == htons(ETH_P_IP) && !(spec.match_flags & ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_IP_PROTO))) { rule->flow_type = IPV4_USER_FLOW; uip_entry->ip_ver = ETH_RX_NFC_IP4; if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) { uip_mask->proto = IP_PROTO_FULL_MASK; uip_entry->proto = spec.ip_proto; } if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { uip_entry->ip4dst = spec.loc_host[0]; uip_mask->ip4dst = IP4_ADDR_FULL_MASK; } if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { uip_entry->ip4src = spec.rem_host[0]; uip_mask->ip4src = IP4_ADDR_FULL_MASK; } } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE && spec.ether_type == htons(ETH_P_IPV6) && !(spec.match_flags & ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_IP_PROTO))) { rule->flow_type = IPV6_USER_FLOW; if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) { uip6_mask->l4_proto = IP_PROTO_FULL_MASK; uip6_entry->l4_proto = spec.ip_proto; } if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) { memcpy(uip6_entry->ip6dst, spec.loc_host, sizeof(uip6_entry->ip6dst)); ip6_fill_mask(uip6_mask->ip6dst); } if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) { memcpy(uip6_entry->ip6src, spec.rem_host, sizeof(uip6_entry->ip6src)); ip6_fill_mask(uip6_mask->ip6src); } } else { /* The above should handle all filters that we insert */ WARN_ON(1); return -EINVAL; } if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) { rule->flow_type |= FLOW_EXT; rule->h_ext.vlan_tci = spec.outer_vid; rule->m_ext.vlan_tci = htons(0xfff); } if (spec.flags & EFX_FILTER_FLAG_RX_RSS) { rule->flow_type |= FLOW_RSS; *rss_context = spec.rss_context; } return rc; } static int efx_ethtool_get_rxnfc(struct net_device *net_dev, struct ethtool_rxnfc *info, u32 *rule_locs) { struct efx_nic *efx = netdev_priv(net_dev); u32 rss_context = 0; s32 rc = 0; switch (info->cmd) { case ETHTOOL_GRXRINGS: info->data = efx->n_rx_channels; return 0; case ETHTOOL_GRXFH: { struct efx_rss_context *ctx = &efx->rss_context; mutex_lock(&efx->rss_lock); if (info->flow_type & FLOW_RSS && info->rss_context) { ctx = efx_find_rss_context_entry(efx, info->rss_context); if (!ctx) { rc = -ENOENT; goto out_unlock; } } info->data = 0; if (!efx_rss_active(ctx)) /* No RSS */ goto out_unlock; switch (info->flow_type & ~FLOW_RSS) { case UDP_V4_FLOW: if (ctx->rx_hash_udp_4tuple) /* fall through */ case TCP_V4_FLOW: info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; /* fall through */ case SCTP_V4_FLOW: case AH_ESP_V4_FLOW: case IPV4_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; break; case UDP_V6_FLOW: if (ctx->rx_hash_udp_4tuple) /* fall through */ case TCP_V6_FLOW: info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; /* fall through */ case SCTP_V6_FLOW: case AH_ESP_V6_FLOW: case IPV6_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; break; default: break; } out_unlock: mutex_unlock(&efx->rss_lock); return rc; } case ETHTOOL_GRXCLSRLCNT: info->data = efx_filter_get_rx_id_limit(efx); if (info->data == 0) return -EOPNOTSUPP; info->data |= RX_CLS_LOC_SPECIAL; info->rule_cnt = efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL); return 0; case ETHTOOL_GRXCLSRULE: if (efx_filter_get_rx_id_limit(efx) == 0) return -EOPNOTSUPP; rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context); if (rc < 0) return rc; if (info->fs.flow_type & FLOW_RSS) info->rss_context = rss_context; return 0; case ETHTOOL_GRXCLSRLALL: info->data = efx_filter_get_rx_id_limit(efx); if (info->data == 0) return -EOPNOTSUPP; rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL, rule_locs, info->rule_cnt); if (rc < 0) return rc; info->rule_cnt = rc; return 0; default: return -EOPNOTSUPP; } } static inline bool ip6_mask_is_full(__be32 mask[4]) { return !~(mask[0] & mask[1] & mask[2] & mask[3]); } static inline bool ip6_mask_is_empty(__be32 mask[4]) { return !(mask[0] | mask[1] | mask[2] | mask[3]); } static int efx_ethtool_set_class_rule(struct efx_nic *efx, struct ethtool_rx_flow_spec *rule, u32 rss_context) { struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec; struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec; struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec; struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec; struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec; struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec; struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec; struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec; u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS); struct ethhdr *mac_entry = &rule->h_u.ether_spec; struct ethhdr *mac_mask = &rule->m_u.ether_spec; enum efx_filter_flags flags = 0; struct efx_filter_spec spec; int rc; /* Check that user wants us to choose the location */ if (rule->location != RX_CLS_LOC_ANY) return -EINVAL; /* Range-check ring_cookie */ if (rule->ring_cookie >= efx->n_rx_channels && rule->ring_cookie != RX_CLS_FLOW_DISC) return -EINVAL; /* Check for unsupported extensions */ if ((rule->flow_type & FLOW_EXT) && (rule->m_ext.vlan_etype || rule->m_ext.data[0] || rule->m_ext.data[1])) return -EINVAL; if (efx->rx_scatter) flags |= EFX_FILTER_FLAG_RX_SCATTER; if (rule->flow_type & FLOW_RSS) flags |= EFX_FILTER_FLAG_RX_RSS; efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags, (rule->ring_cookie == RX_CLS_FLOW_DISC) ? EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie); if (rule->flow_type & FLOW_RSS) spec.rss_context = rss_context; switch (flow_type) { case TCP_V4_FLOW: case UDP_V4_FLOW: spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO); spec.ether_type = htons(ETH_P_IP); spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP : IPPROTO_UDP; if (ip_mask->ip4dst) { if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; spec.loc_host[0] = ip_entry->ip4dst; } if (ip_mask->ip4src) { if (ip_mask->ip4src != IP4_ADDR_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; spec.rem_host[0] = ip_entry->ip4src; } if (ip_mask->pdst) { if (ip_mask->pdst != PORT_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; spec.loc_port = ip_entry->pdst; } if (ip_mask->psrc) { if (ip_mask->psrc != PORT_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; spec.rem_port = ip_entry->psrc; } if (ip_mask->tos) return -EINVAL; break; case TCP_V6_FLOW: case UDP_V6_FLOW: spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO); spec.ether_type = htons(ETH_P_IPV6); spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP : IPPROTO_UDP; if (!ip6_mask_is_empty(ip6_mask->ip6dst)) { if (!ip6_mask_is_full(ip6_mask->ip6dst)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host)); } if (!ip6_mask_is_empty(ip6_mask->ip6src)) { if (!ip6_mask_is_full(ip6_mask->ip6src)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host)); } if (ip6_mask->pdst) { if (ip6_mask->pdst != PORT_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT; spec.loc_port = ip6_entry->pdst; } if (ip6_mask->psrc) { if (ip6_mask->psrc != PORT_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_PORT; spec.rem_port = ip6_entry->psrc; } if (ip6_mask->tclass) return -EINVAL; break; case IPV4_USER_FLOW: if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver || uip_entry->ip_ver != ETH_RX_NFC_IP4) return -EINVAL; spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; spec.ether_type = htons(ETH_P_IP); if (uip_mask->ip4dst) { if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; spec.loc_host[0] = uip_entry->ip4dst; } if (uip_mask->ip4src) { if (uip_mask->ip4src != IP4_ADDR_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; spec.rem_host[0] = uip_entry->ip4src; } if (uip_mask->proto) { if (uip_mask->proto != IP_PROTO_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; spec.ip_proto = uip_entry->proto; } break; case IPV6_USER_FLOW: if (uip6_mask->l4_4_bytes || uip6_mask->tclass) return -EINVAL; spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE; spec.ether_type = htons(ETH_P_IPV6); if (!ip6_mask_is_empty(uip6_mask->ip6dst)) { if (!ip6_mask_is_full(uip6_mask->ip6dst)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST; memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host)); } if (!ip6_mask_is_empty(uip6_mask->ip6src)) { if (!ip6_mask_is_full(uip6_mask->ip6src)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_HOST; memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host)); } if (uip6_mask->l4_proto) { if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO; spec.ip_proto = uip6_entry->l4_proto; } break; case ETHER_FLOW: if (!is_zero_ether_addr(mac_mask->h_dest)) { if (ether_addr_equal(mac_mask->h_dest, mac_addr_ig_mask)) spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG; else if (is_broadcast_ether_addr(mac_mask->h_dest)) spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC; else return -EINVAL; ether_addr_copy(spec.loc_mac, mac_entry->h_dest); } if (!is_zero_ether_addr(mac_mask->h_source)) { if (!is_broadcast_ether_addr(mac_mask->h_source)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_REM_MAC; ether_addr_copy(spec.rem_mac, mac_entry->h_source); } if (mac_mask->h_proto) { if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE; spec.ether_type = mac_entry->h_proto; } break; default: return -EINVAL; } if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) { if (rule->m_ext.vlan_tci != htons(0xfff)) return -EINVAL; spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID; spec.outer_vid = rule->h_ext.vlan_tci; } rc = efx_filter_insert_filter(efx, &spec, true); if (rc < 0) return rc; rule->location = rc; return 0; } static int efx_ethtool_set_rxnfc(struct net_device *net_dev, struct ethtool_rxnfc *info) { struct efx_nic *efx = netdev_priv(net_dev); if (efx_filter_get_rx_id_limit(efx) == 0) return -EOPNOTSUPP; switch (info->cmd) { case ETHTOOL_SRXCLSRLINS: return efx_ethtool_set_class_rule(efx, &info->fs, info->rss_context); case ETHTOOL_SRXCLSRLDEL: return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL, info->fs.location); default: return -EOPNOTSUPP; } } static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev) { struct efx_nic *efx = netdev_priv(net_dev); if (efx->n_rx_channels == 1) return 0; return ARRAY_SIZE(efx->rss_context.rx_indir_table); } static u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev) { struct efx_nic *efx = netdev_priv(net_dev); return efx->type->rx_hash_key_size; } static int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key, u8 *hfunc) { struct efx_nic *efx = netdev_priv(net_dev); int rc; rc = efx->type->rx_pull_rss_config(efx); if (rc) return rc; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (indir) memcpy(indir, efx->rss_context.rx_indir_table, sizeof(efx->rss_context.rx_indir_table)); if (key) memcpy(key, efx->rss_context.rx_hash_key, efx->type->rx_hash_key_size); return 0; } static int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir, const u8 *key, const u8 hfunc) { struct efx_nic *efx = netdev_priv(net_dev); /* Hash function is Toeplitz, cannot be changed */ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; if (!indir && !key) return 0; if (!key) key = efx->rss_context.rx_hash_key; if (!indir) indir = efx->rss_context.rx_indir_table; return efx->type->rx_push_rss_config(efx, true, indir, key); } static int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir, u8 *key, u8 *hfunc, u32 rss_context) { struct efx_nic *efx = netdev_priv(net_dev); struct efx_rss_context *ctx; int rc = 0; if (!efx->type->rx_pull_rss_context_config) return -EOPNOTSUPP; mutex_lock(&efx->rss_lock); ctx = efx_find_rss_context_entry(efx, rss_context); if (!ctx) { rc = -ENOENT; goto out_unlock; } rc = efx->type->rx_pull_rss_context_config(efx, ctx); if (rc) goto out_unlock; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (indir) memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table)); if (key) memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size); out_unlock: mutex_unlock(&efx->rss_lock); return rc; } static int efx_ethtool_set_rxfh_context(struct net_device *net_dev, const u32 *indir, const u8 *key, const u8 hfunc, u32 *rss_context, bool delete) { struct efx_nic *efx = netdev_priv(net_dev); struct efx_rss_context *ctx; bool allocated = false; int rc; if (!efx->type->rx_push_rss_context_config) return -EOPNOTSUPP; /* Hash function is Toeplitz, cannot be changed */ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; mutex_lock(&efx->rss_lock); if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) { if (delete) { /* alloc + delete == Nothing to do */ rc = -EINVAL; goto out_unlock; } ctx = efx_alloc_rss_context_entry(efx); if (!ctx) { rc = -ENOMEM; goto out_unlock; } ctx->context_id = EFX_EF10_RSS_CONTEXT_INVALID; /* Initialise indir table and key to defaults */ efx_set_default_rx_indir_table(efx, ctx); netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key)); allocated = true; } else { ctx = efx_find_rss_context_entry(efx, *rss_context); if (!ctx) { rc = -ENOENT; goto out_unlock; } } if (delete) { /* delete this context */ rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL); if (!rc) efx_free_rss_context_entry(ctx); goto out_unlock; } if (!key) key = ctx->rx_hash_key; if (!indir) indir = ctx->rx_indir_table; rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key); if (rc && allocated) efx_free_rss_context_entry(ctx); else *rss_context = ctx->user_id; out_unlock: mutex_unlock(&efx->rss_lock); return rc; } static int efx_ethtool_get_ts_info(struct net_device *net_dev, struct ethtool_ts_info *ts_info) { struct efx_nic *efx = netdev_priv(net_dev); /* Software capabilities */ ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE); ts_info->phc_index = -1; efx_ptp_get_ts_info(efx, ts_info); return 0; } static int efx_ethtool_get_module_eeprom(struct net_device *net_dev, struct ethtool_eeprom *ee, u8 *data) { struct efx_nic *efx = netdev_priv(net_dev); int ret; if (!efx->phy_op || !efx->phy_op->get_module_eeprom) return -EOPNOTSUPP; mutex_lock(&efx->mac_lock); ret = efx->phy_op->get_module_eeprom(efx, ee, data); mutex_unlock(&efx->mac_lock); return ret; } static int efx_ethtool_get_module_info(struct net_device *net_dev, struct ethtool_modinfo *modinfo) { struct efx_nic *efx = netdev_priv(net_dev); int ret; if (!efx->phy_op || !efx->phy_op->get_module_info) return -EOPNOTSUPP; mutex_lock(&efx->mac_lock); ret = efx->phy_op->get_module_info(efx, modinfo); mutex_unlock(&efx->mac_lock); return ret; } static int efx_ethtool_get_fecparam(struct net_device *net_dev, struct ethtool_fecparam *fecparam) { struct efx_nic *efx = netdev_priv(net_dev); int rc; if (!efx->phy_op || !efx->phy_op->get_fecparam) return -EOPNOTSUPP; mutex_lock(&efx->mac_lock); rc = efx->phy_op->get_fecparam(efx, fecparam); mutex_unlock(&efx->mac_lock); return rc; } static int efx_ethtool_set_fecparam(struct net_device *net_dev, struct ethtool_fecparam *fecparam) { struct efx_nic *efx = netdev_priv(net_dev); int rc; if (!efx->phy_op || !efx->phy_op->get_fecparam) return -EOPNOTSUPP; mutex_lock(&efx->mac_lock); rc = efx->phy_op->set_fecparam(efx, fecparam); mutex_unlock(&efx->mac_lock); return rc; } const struct ethtool_ops efx_ethtool_ops = { .get_drvinfo = efx_ethtool_get_drvinfo, .get_regs_len = efx_ethtool_get_regs_len, .get_regs = efx_ethtool_get_regs, .get_msglevel = efx_ethtool_get_msglevel, .set_msglevel = efx_ethtool_set_msglevel, .nway_reset = efx_ethtool_nway_reset, .get_link = ethtool_op_get_link, .get_coalesce = efx_ethtool_get_coalesce, .set_coalesce = efx_ethtool_set_coalesce, .get_ringparam = efx_ethtool_get_ringparam, .set_ringparam = efx_ethtool_set_ringparam, .get_pauseparam = efx_ethtool_get_pauseparam, .set_pauseparam = efx_ethtool_set_pauseparam, .get_sset_count = efx_ethtool_get_sset_count, .self_test = efx_ethtool_self_test, .get_strings = efx_ethtool_get_strings, .set_phys_id = efx_ethtool_phys_id, .get_ethtool_stats = efx_ethtool_get_stats, .get_wol = efx_ethtool_get_wol, .set_wol = efx_ethtool_set_wol, .reset = efx_ethtool_reset, .get_rxnfc = efx_ethtool_get_rxnfc, .set_rxnfc = efx_ethtool_set_rxnfc, .get_rxfh_indir_size = efx_ethtool_get_rxfh_indir_size, .get_rxfh_key_size = efx_ethtool_get_rxfh_key_size, .get_rxfh = efx_ethtool_get_rxfh, .set_rxfh = efx_ethtool_set_rxfh, .get_rxfh_context = efx_ethtool_get_rxfh_context, .set_rxfh_context = efx_ethtool_set_rxfh_context, .get_ts_info = efx_ethtool_get_ts_info, .get_module_info = efx_ethtool_get_module_info, .get_module_eeprom = efx_ethtool_get_module_eeprom, .get_link_ksettings = efx_ethtool_get_link_ksettings, .set_link_ksettings = efx_ethtool_set_link_ksettings, .get_fecparam = efx_ethtool_get_fecparam, .set_fecparam = efx_ethtool_set_fecparam, };
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