From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/ethernet/sfc/ethtool.c | 1329 ---------------------------------------------------------
1 files changed, 9 insertions(+), 1,320 deletions(-)
diff --git a/kernel/drivers/net/ethernet/sfc/ethtool.c b/kernel/drivers/net/ethernet/sfc/ethtool.c
index 82b32c7..12a91c5 100644
--- a/kernel/drivers/net/ethernet/sfc/ethtool.c
+++ b/kernel/drivers/net/ethernet/sfc/ethtool.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
* 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>
@@ -16,79 +13,12 @@
#include "workarounds.h"
#include "selftest.h"
#include "efx.h"
+#include "efx_channels.h"
+#include "rx_common.h"
+#include "tx_common.h"
+#include "ethtool_common.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
@@ -120,66 +50,7 @@
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;
-
- 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_link_ksettings_add_link_mode(cmd, supported, Pause);
- ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
-
- 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));
+ return efx_mcdi_set_id_led(efx, mode);
}
static int efx_ethtool_get_regs_len(struct net_device *net_dev)
@@ -194,376 +65,6 @@
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);
}
/*
@@ -621,9 +122,6 @@
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);
@@ -693,74 +191,6 @@
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)
{
@@ -774,686 +204,6 @@
{
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,
@@ -1470,76 +220,15 @@
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 = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_USECS_IRQ |
+ ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
.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,
--
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