1198 lines
31 KiB
C
1198 lines
31 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2013 - 2019 Intel Corporation. */
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#include <linux/ethtool.h>
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#include <linux/vmalloc.h>
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#include "fm10k.h"
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struct fm10k_stats {
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/* The stat_string is expected to be a format string formatted using
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* vsnprintf by fm10k_add_stat_strings. Every member of a stats array
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* should use the same format specifiers as they will be formatted
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* using the same variadic arguments.
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*/
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char stat_string[ETH_GSTRING_LEN];
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int sizeof_stat;
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int stat_offset;
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};
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#define FM10K_STAT_FIELDS(_type, _name, _stat) { \
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.stat_string = _name, \
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.sizeof_stat = sizeof_field(_type, _stat), \
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.stat_offset = offsetof(_type, _stat) \
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}
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/* netdevice statistics */
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#define FM10K_NETDEV_STAT(_net_stat) \
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FM10K_STAT_FIELDS(struct net_device_stats, __stringify(_net_stat), \
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_net_stat)
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static const struct fm10k_stats fm10k_gstrings_net_stats[] = {
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FM10K_NETDEV_STAT(tx_packets),
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FM10K_NETDEV_STAT(tx_bytes),
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FM10K_NETDEV_STAT(tx_errors),
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FM10K_NETDEV_STAT(rx_packets),
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FM10K_NETDEV_STAT(rx_bytes),
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FM10K_NETDEV_STAT(rx_errors),
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FM10K_NETDEV_STAT(rx_dropped),
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/* detailed Rx errors */
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FM10K_NETDEV_STAT(rx_length_errors),
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FM10K_NETDEV_STAT(rx_crc_errors),
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FM10K_NETDEV_STAT(rx_fifo_errors),
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};
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#define FM10K_NETDEV_STATS_LEN ARRAY_SIZE(fm10k_gstrings_net_stats)
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/* General interface statistics */
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#define FM10K_STAT(_name, _stat) \
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FM10K_STAT_FIELDS(struct fm10k_intfc, _name, _stat)
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static const struct fm10k_stats fm10k_gstrings_global_stats[] = {
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FM10K_STAT("tx_restart_queue", restart_queue),
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FM10K_STAT("tx_busy", tx_busy),
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FM10K_STAT("tx_csum_errors", tx_csum_errors),
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FM10K_STAT("rx_alloc_failed", alloc_failed),
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FM10K_STAT("rx_csum_errors", rx_csum_errors),
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FM10K_STAT("tx_packets_nic", tx_packets_nic),
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FM10K_STAT("tx_bytes_nic", tx_bytes_nic),
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FM10K_STAT("rx_packets_nic", rx_packets_nic),
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FM10K_STAT("rx_bytes_nic", rx_bytes_nic),
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FM10K_STAT("rx_drops_nic", rx_drops_nic),
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FM10K_STAT("rx_overrun_pf", rx_overrun_pf),
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FM10K_STAT("rx_overrun_vf", rx_overrun_vf),
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FM10K_STAT("swapi_status", hw.swapi.status),
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FM10K_STAT("mac_rules_used", hw.swapi.mac.used),
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FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail),
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FM10K_STAT("reset_while_pending", hw.mac.reset_while_pending),
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FM10K_STAT("tx_hang_count", tx_timeout_count),
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};
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static const struct fm10k_stats fm10k_gstrings_pf_stats[] = {
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FM10K_STAT("timeout", stats.timeout.count),
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FM10K_STAT("ur", stats.ur.count),
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FM10K_STAT("ca", stats.ca.count),
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FM10K_STAT("um", stats.um.count),
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FM10K_STAT("xec", stats.xec.count),
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FM10K_STAT("vlan_drop", stats.vlan_drop.count),
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FM10K_STAT("loopback_drop", stats.loopback_drop.count),
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FM10K_STAT("nodesc_drop", stats.nodesc_drop.count),
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};
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/* mailbox statistics */
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#define FM10K_MBX_STAT(_name, _stat) \
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FM10K_STAT_FIELDS(struct fm10k_mbx_info, _name, _stat)
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static const struct fm10k_stats fm10k_gstrings_mbx_stats[] = {
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FM10K_MBX_STAT("mbx_tx_busy", tx_busy),
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FM10K_MBX_STAT("mbx_tx_dropped", tx_dropped),
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FM10K_MBX_STAT("mbx_tx_messages", tx_messages),
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FM10K_MBX_STAT("mbx_tx_dwords", tx_dwords),
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FM10K_MBX_STAT("mbx_tx_mbmem_pulled", tx_mbmem_pulled),
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FM10K_MBX_STAT("mbx_rx_messages", rx_messages),
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FM10K_MBX_STAT("mbx_rx_dwords", rx_dwords),
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FM10K_MBX_STAT("mbx_rx_parse_err", rx_parse_err),
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FM10K_MBX_STAT("mbx_rx_mbmem_pushed", rx_mbmem_pushed),
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};
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/* per-queue ring statistics */
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#define FM10K_QUEUE_STAT(_name, _stat) \
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FM10K_STAT_FIELDS(struct fm10k_ring, _name, _stat)
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static const struct fm10k_stats fm10k_gstrings_queue_stats[] = {
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FM10K_QUEUE_STAT("%s_queue_%u_packets", stats.packets),
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FM10K_QUEUE_STAT("%s_queue_%u_bytes", stats.bytes),
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};
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#define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_global_stats)
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#define FM10K_PF_STATS_LEN ARRAY_SIZE(fm10k_gstrings_pf_stats)
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#define FM10K_MBX_STATS_LEN ARRAY_SIZE(fm10k_gstrings_mbx_stats)
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#define FM10K_QUEUE_STATS_LEN ARRAY_SIZE(fm10k_gstrings_queue_stats)
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#define FM10K_STATIC_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \
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FM10K_NETDEV_STATS_LEN + \
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FM10K_MBX_STATS_LEN)
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static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = {
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"Mailbox test (on/offline)"
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};
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#define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN)
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enum fm10k_self_test_types {
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FM10K_TEST_MBX,
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FM10K_TEST_MAX = FM10K_TEST_LEN
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};
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enum {
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FM10K_PRV_FLAG_LEN,
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};
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static const char fm10k_prv_flags[FM10K_PRV_FLAG_LEN][ETH_GSTRING_LEN] = {
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};
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static void __fm10k_add_stat_strings(u8 **p, const struct fm10k_stats stats[],
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const unsigned int size, ...)
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{
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unsigned int i;
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for (i = 0; i < size; i++) {
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va_list args;
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va_start(args, size);
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vsnprintf(*p, ETH_GSTRING_LEN, stats[i].stat_string, args);
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*p += ETH_GSTRING_LEN;
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va_end(args);
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}
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}
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#define fm10k_add_stat_strings(p, stats, ...) \
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__fm10k_add_stat_strings(p, stats, ARRAY_SIZE(stats), ## __VA_ARGS__)
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static void fm10k_get_stat_strings(struct net_device *dev, u8 *data)
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{
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struct fm10k_intfc *interface = netdev_priv(dev);
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unsigned int i;
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fm10k_add_stat_strings(&data, fm10k_gstrings_net_stats);
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fm10k_add_stat_strings(&data, fm10k_gstrings_global_stats);
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fm10k_add_stat_strings(&data, fm10k_gstrings_mbx_stats);
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if (interface->hw.mac.type != fm10k_mac_vf)
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fm10k_add_stat_strings(&data, fm10k_gstrings_pf_stats);
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for (i = 0; i < interface->hw.mac.max_queues; i++) {
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fm10k_add_stat_strings(&data, fm10k_gstrings_queue_stats,
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"tx", i);
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fm10k_add_stat_strings(&data, fm10k_gstrings_queue_stats,
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"rx", i);
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}
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}
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static void fm10k_get_strings(struct net_device *dev,
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u32 stringset, u8 *data)
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{
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switch (stringset) {
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case ETH_SS_TEST:
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memcpy(data, fm10k_gstrings_test,
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FM10K_TEST_LEN * ETH_GSTRING_LEN);
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break;
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case ETH_SS_STATS:
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fm10k_get_stat_strings(dev, data);
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break;
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case ETH_SS_PRIV_FLAGS:
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memcpy(data, fm10k_prv_flags,
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FM10K_PRV_FLAG_LEN * ETH_GSTRING_LEN);
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break;
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}
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}
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static int fm10k_get_sset_count(struct net_device *dev, int sset)
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{
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struct fm10k_intfc *interface = netdev_priv(dev);
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struct fm10k_hw *hw = &interface->hw;
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int stats_len = FM10K_STATIC_STATS_LEN;
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switch (sset) {
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case ETH_SS_TEST:
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return FM10K_TEST_LEN;
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case ETH_SS_STATS:
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stats_len += hw->mac.max_queues * 2 * FM10K_QUEUE_STATS_LEN;
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if (hw->mac.type != fm10k_mac_vf)
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stats_len += FM10K_PF_STATS_LEN;
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return stats_len;
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case ETH_SS_PRIV_FLAGS:
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return FM10K_PRV_FLAG_LEN;
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default:
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return -EOPNOTSUPP;
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}
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}
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static void __fm10k_add_ethtool_stats(u64 **data, void *pointer,
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const struct fm10k_stats stats[],
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const unsigned int size)
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{
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unsigned int i;
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if (!pointer) {
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/* memory is not zero allocated so we have to clear it */
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for (i = 0; i < size; i++)
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*((*data)++) = 0;
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return;
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}
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for (i = 0; i < size; i++) {
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char *p = (char *)pointer + stats[i].stat_offset;
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switch (stats[i].sizeof_stat) {
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case sizeof(u64):
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*((*data)++) = *(u64 *)p;
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break;
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case sizeof(u32):
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*((*data)++) = *(u32 *)p;
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break;
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case sizeof(u16):
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*((*data)++) = *(u16 *)p;
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break;
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case sizeof(u8):
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*((*data)++) = *(u8 *)p;
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break;
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default:
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WARN_ONCE(1, "unexpected stat size for %s",
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stats[i].stat_string);
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*((*data)++) = 0;
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}
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}
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}
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#define fm10k_add_ethtool_stats(data, pointer, stats) \
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__fm10k_add_ethtool_stats(data, pointer, stats, ARRAY_SIZE(stats))
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static void fm10k_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats __always_unused *stats,
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u64 *data)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct net_device_stats *net_stats = &netdev->stats;
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int i;
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fm10k_update_stats(interface);
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fm10k_add_ethtool_stats(&data, net_stats, fm10k_gstrings_net_stats);
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fm10k_add_ethtool_stats(&data, interface, fm10k_gstrings_global_stats);
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fm10k_add_ethtool_stats(&data, &interface->hw.mbx,
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fm10k_gstrings_mbx_stats);
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if (interface->hw.mac.type != fm10k_mac_vf) {
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fm10k_add_ethtool_stats(&data, interface,
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fm10k_gstrings_pf_stats);
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}
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for (i = 0; i < interface->hw.mac.max_queues; i++) {
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struct fm10k_ring *ring;
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ring = interface->tx_ring[i];
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fm10k_add_ethtool_stats(&data, ring,
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fm10k_gstrings_queue_stats);
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ring = interface->rx_ring[i];
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fm10k_add_ethtool_stats(&data, ring,
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fm10k_gstrings_queue_stats);
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}
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}
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/* If function below adds more registers this define needs to be updated */
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#define FM10K_REGS_LEN_Q 29
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static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
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{
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int idx = 0;
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
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BUG_ON(idx != FM10K_REGS_LEN_Q);
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}
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/* If function above adds more registers this define needs to be updated */
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#define FM10K_REGS_LEN_VSI 43
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static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
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{
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int idx = 0, j;
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buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
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for (j = 0; j < 10; j++)
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buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
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for (j = 0; j < 32; j++)
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buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
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BUG_ON(idx != FM10K_REGS_LEN_VSI);
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}
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static void fm10k_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct fm10k_hw *hw = &interface->hw;
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u32 *buff = p;
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u16 i;
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regs->version = BIT(24) | (hw->revision_id << 16) | hw->device_id;
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switch (hw->mac.type) {
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case fm10k_mac_pf:
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/* General PF Registers */
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*(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
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*(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
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*(buff++) = fm10k_read_reg(hw, FM10K_GCR);
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*(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
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for (i = 0; i < 8; i++) {
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*(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
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*(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
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}
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for (i = 0; i < 65; i++) {
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fm10k_get_reg_vsi(hw, buff, i);
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buff += FM10K_REGS_LEN_VSI;
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}
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*(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
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*(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
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for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
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fm10k_get_reg_q(hw, buff, i);
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buff += FM10K_REGS_LEN_Q;
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}
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*(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
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for (i = 0; i < 8; i++)
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*(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
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/* Interrupt Throttling Registers */
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for (i = 0; i < 130; i++)
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*(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
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break;
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case fm10k_mac_vf:
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/* General VF registers */
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*(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
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*(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
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*(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
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/* Interrupt Throttling Registers */
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for (i = 0; i < 8; i++)
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*(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
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fm10k_get_reg_vsi(hw, buff, 0);
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buff += FM10K_REGS_LEN_VSI;
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for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
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if (i < hw->mac.max_queues)
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fm10k_get_reg_q(hw, buff, i);
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else
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memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
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buff += FM10K_REGS_LEN_Q;
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}
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break;
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default:
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return;
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}
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}
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/* If function above adds more registers these define need to be updated */
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#define FM10K_REGS_LEN_PF \
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(162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
|
|
#define FM10K_REGS_LEN_VF \
|
|
(11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
|
|
|
|
static int fm10k_get_regs_len(struct net_device *netdev)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
|
|
switch (hw->mac.type) {
|
|
case fm10k_mac_pf:
|
|
return FM10K_REGS_LEN_PF * sizeof(u32);
|
|
case fm10k_mac_vf:
|
|
return FM10K_REGS_LEN_VF * sizeof(u32);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void fm10k_get_drvinfo(struct net_device *dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
|
|
strscpy(info->driver, fm10k_driver_name,
|
|
sizeof(info->driver));
|
|
strscpy(info->bus_info, pci_name(interface->pdev),
|
|
sizeof(info->bus_info));
|
|
}
|
|
|
|
static void fm10k_get_pauseparam(struct net_device *dev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
|
|
/* record fixed values for autoneg and tx pause */
|
|
pause->autoneg = 0;
|
|
pause->tx_pause = 1;
|
|
|
|
pause->rx_pause = interface->rx_pause ? 1 : 0;
|
|
}
|
|
|
|
static int fm10k_set_pauseparam(struct net_device *dev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
|
|
if (pause->autoneg || !pause->tx_pause)
|
|
return -EINVAL;
|
|
|
|
/* we can only support pause on the PF to avoid head-of-line blocking */
|
|
if (hw->mac.type == fm10k_mac_pf)
|
|
interface->rx_pause = pause->rx_pause ? ~0 : 0;
|
|
else if (pause->rx_pause)
|
|
return -EINVAL;
|
|
|
|
if (netif_running(dev))
|
|
fm10k_update_rx_drop_en(interface);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 fm10k_get_msglevel(struct net_device *netdev)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
|
|
return interface->msg_enable;
|
|
}
|
|
|
|
static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
|
|
interface->msg_enable = data;
|
|
}
|
|
|
|
static void fm10k_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring,
|
|
struct kernel_ethtool_ringparam *kernel_ring,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
|
|
ring->rx_max_pending = FM10K_MAX_RXD;
|
|
ring->tx_max_pending = FM10K_MAX_TXD;
|
|
ring->rx_mini_max_pending = 0;
|
|
ring->rx_jumbo_max_pending = 0;
|
|
ring->rx_pending = interface->rx_ring_count;
|
|
ring->tx_pending = interface->tx_ring_count;
|
|
ring->rx_mini_pending = 0;
|
|
ring->rx_jumbo_pending = 0;
|
|
}
|
|
|
|
static int fm10k_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring,
|
|
struct kernel_ethtool_ringparam *kernel_ring,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
struct fm10k_ring *temp_ring;
|
|
int i, err = 0;
|
|
u32 new_rx_count, new_tx_count;
|
|
|
|
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
|
|
return -EINVAL;
|
|
|
|
new_tx_count = clamp_t(u32, ring->tx_pending,
|
|
FM10K_MIN_TXD, FM10K_MAX_TXD);
|
|
new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
|
|
|
|
new_rx_count = clamp_t(u32, ring->rx_pending,
|
|
FM10K_MIN_RXD, FM10K_MAX_RXD);
|
|
new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
|
|
|
|
if ((new_tx_count == interface->tx_ring_count) &&
|
|
(new_rx_count == interface->rx_ring_count)) {
|
|
/* nothing to do */
|
|
return 0;
|
|
}
|
|
|
|
while (test_and_set_bit(__FM10K_RESETTING, interface->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
if (!netif_running(interface->netdev)) {
|
|
for (i = 0; i < interface->num_tx_queues; i++)
|
|
interface->tx_ring[i]->count = new_tx_count;
|
|
for (i = 0; i < interface->num_rx_queues; i++)
|
|
interface->rx_ring[i]->count = new_rx_count;
|
|
interface->tx_ring_count = new_tx_count;
|
|
interface->rx_ring_count = new_rx_count;
|
|
goto clear_reset;
|
|
}
|
|
|
|
/* allocate temporary buffer to store rings in */
|
|
i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
|
|
temp_ring = vmalloc(array_size(i, sizeof(struct fm10k_ring)));
|
|
|
|
if (!temp_ring) {
|
|
err = -ENOMEM;
|
|
goto clear_reset;
|
|
}
|
|
|
|
fm10k_down(interface);
|
|
|
|
/* Setup new Tx resources and free the old Tx resources in that order.
|
|
* We can then assign the new resources to the rings via a memcpy.
|
|
* The advantage to this approach is that we are guaranteed to still
|
|
* have resources even in the case of an allocation failure.
|
|
*/
|
|
if (new_tx_count != interface->tx_ring_count) {
|
|
for (i = 0; i < interface->num_tx_queues; i++) {
|
|
memcpy(&temp_ring[i], interface->tx_ring[i],
|
|
sizeof(struct fm10k_ring));
|
|
|
|
temp_ring[i].count = new_tx_count;
|
|
err = fm10k_setup_tx_resources(&temp_ring[i]);
|
|
if (err) {
|
|
while (i) {
|
|
i--;
|
|
fm10k_free_tx_resources(&temp_ring[i]);
|
|
}
|
|
goto err_setup;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < interface->num_tx_queues; i++) {
|
|
fm10k_free_tx_resources(interface->tx_ring[i]);
|
|
|
|
memcpy(interface->tx_ring[i], &temp_ring[i],
|
|
sizeof(struct fm10k_ring));
|
|
}
|
|
|
|
interface->tx_ring_count = new_tx_count;
|
|
}
|
|
|
|
/* Repeat the process for the Rx rings if needed */
|
|
if (new_rx_count != interface->rx_ring_count) {
|
|
for (i = 0; i < interface->num_rx_queues; i++) {
|
|
memcpy(&temp_ring[i], interface->rx_ring[i],
|
|
sizeof(struct fm10k_ring));
|
|
|
|
temp_ring[i].count = new_rx_count;
|
|
err = fm10k_setup_rx_resources(&temp_ring[i]);
|
|
if (err) {
|
|
while (i) {
|
|
i--;
|
|
fm10k_free_rx_resources(&temp_ring[i]);
|
|
}
|
|
goto err_setup;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < interface->num_rx_queues; i++) {
|
|
fm10k_free_rx_resources(interface->rx_ring[i]);
|
|
|
|
memcpy(interface->rx_ring[i], &temp_ring[i],
|
|
sizeof(struct fm10k_ring));
|
|
}
|
|
|
|
interface->rx_ring_count = new_rx_count;
|
|
}
|
|
|
|
err_setup:
|
|
fm10k_up(interface);
|
|
vfree(temp_ring);
|
|
clear_reset:
|
|
clear_bit(__FM10K_RESETTING, interface->state);
|
|
return err;
|
|
}
|
|
|
|
static int fm10k_get_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
|
|
ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr);
|
|
ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
|
|
|
|
ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr);
|
|
ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_set_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *ec,
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
u16 tx_itr, rx_itr;
|
|
int i;
|
|
|
|
/* verify limits */
|
|
if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
|
|
(ec->tx_coalesce_usecs > FM10K_ITR_MAX))
|
|
return -EINVAL;
|
|
|
|
/* record settings */
|
|
tx_itr = ec->tx_coalesce_usecs;
|
|
rx_itr = ec->rx_coalesce_usecs;
|
|
|
|
/* set initial values for adaptive ITR */
|
|
if (ec->use_adaptive_tx_coalesce)
|
|
tx_itr = FM10K_ITR_ADAPTIVE | FM10K_TX_ITR_DEFAULT;
|
|
|
|
if (ec->use_adaptive_rx_coalesce)
|
|
rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT;
|
|
|
|
/* update interface */
|
|
interface->tx_itr = tx_itr;
|
|
interface->rx_itr = rx_itr;
|
|
|
|
/* update q_vectors */
|
|
for (i = 0; i < interface->num_q_vectors; i++) {
|
|
struct fm10k_q_vector *qv = interface->q_vector[i];
|
|
|
|
qv->tx.itr = tx_itr;
|
|
qv->rx.itr = rx_itr;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
cmd->data = 0;
|
|
|
|
/* Report default options for RSS on fm10k */
|
|
switch (cmd->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
case TCP_V6_FLOW:
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case UDP_V4_FLOW:
|
|
if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags))
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
fallthrough;
|
|
case SCTP_V4_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V4_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case IPV4_FLOW:
|
|
case IPV6_FLOW:
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags))
|
|
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
|
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
|
u32 __always_unused *rule_locs)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
int ret = -EOPNOTSUPP;
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
cmd->data = interface->num_rx_queues;
|
|
ret = 0;
|
|
break;
|
|
case ETHTOOL_GRXFH:
|
|
ret = fm10k_get_rss_hash_opts(interface, cmd);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
|
|
struct ethtool_rxnfc *nfc)
|
|
{
|
|
int rss_ipv4_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags);
|
|
int rss_ipv6_udp = test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags);
|
|
|
|
/* RSS does not support anything other than hashing
|
|
* to queues on src and dst IPs and ports
|
|
*/
|
|
if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
|
|
RXH_L4_B_0_1 | RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
|
|
switch (nfc->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
case TCP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST) ||
|
|
!(nfc->data & RXH_L4_B_0_1) ||
|
|
!(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST))
|
|
return -EINVAL;
|
|
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
clear_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags);
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
set_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST))
|
|
return -EINVAL;
|
|
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
|
case 0:
|
|
clear_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags);
|
|
break;
|
|
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
|
set_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case AH_ESP_V4_FLOW:
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V6_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case SCTP_V6_FLOW:
|
|
if (!(nfc->data & RXH_IP_SRC) ||
|
|
!(nfc->data & RXH_IP_DST) ||
|
|
(nfc->data & RXH_L4_B_0_1) ||
|
|
(nfc->data & RXH_L4_B_2_3))
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* If something changed we need to update the MRQC register. Note that
|
|
* test_bit() is guaranteed to return strictly 0 or 1, so testing for
|
|
* equality is safe.
|
|
*/
|
|
if ((rss_ipv4_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags)) ||
|
|
(rss_ipv6_udp != test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags))) {
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
bool warn = false;
|
|
u32 mrqc;
|
|
|
|
/* Perform hash on these packet types */
|
|
mrqc = FM10K_MRQC_IPV4 |
|
|
FM10K_MRQC_TCP_IPV4 |
|
|
FM10K_MRQC_IPV6 |
|
|
FM10K_MRQC_TCP_IPV6;
|
|
|
|
if (test_bit(FM10K_FLAG_RSS_FIELD_IPV4_UDP,
|
|
interface->flags)) {
|
|
mrqc |= FM10K_MRQC_UDP_IPV4;
|
|
warn = true;
|
|
}
|
|
if (test_bit(FM10K_FLAG_RSS_FIELD_IPV6_UDP,
|
|
interface->flags)) {
|
|
mrqc |= FM10K_MRQC_UDP_IPV6;
|
|
warn = true;
|
|
}
|
|
|
|
/* If we enable UDP RSS display a warning that this may cause
|
|
* fragmented UDP packets to arrive out of order.
|
|
*/
|
|
if (warn)
|
|
netif_warn(interface, drv, interface->netdev,
|
|
"enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
|
|
|
|
fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
int ret = -EOPNOTSUPP;
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
ret = fm10k_set_rss_hash_opt(interface, cmd);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
|
|
{
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
struct fm10k_mbx_info *mbx = &hw->mbx;
|
|
u32 attr_flag, test_msg[6];
|
|
unsigned long timeout;
|
|
int err = -EINVAL;
|
|
|
|
/* For now this is a VF only feature */
|
|
if (hw->mac.type != fm10k_mac_vf)
|
|
return 0;
|
|
|
|
/* loop through both nested and unnested attribute types */
|
|
for (attr_flag = BIT(FM10K_TEST_MSG_UNSET);
|
|
attr_flag < BIT(2 * FM10K_TEST_MSG_NESTED);
|
|
attr_flag += attr_flag) {
|
|
/* generate message to be tested */
|
|
fm10k_tlv_msg_test_create(test_msg, attr_flag);
|
|
|
|
fm10k_mbx_lock(interface);
|
|
mbx->test_result = FM10K_NOT_IMPLEMENTED;
|
|
err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
|
|
fm10k_mbx_unlock(interface);
|
|
|
|
/* wait up to 1 second for response */
|
|
timeout = jiffies + HZ;
|
|
do {
|
|
if (err < 0)
|
|
goto err_out;
|
|
|
|
usleep_range(500, 1000);
|
|
|
|
fm10k_mbx_lock(interface);
|
|
mbx->ops.process(hw, mbx);
|
|
fm10k_mbx_unlock(interface);
|
|
|
|
err = mbx->test_result;
|
|
if (!err)
|
|
break;
|
|
} while (time_is_after_jiffies(timeout));
|
|
|
|
/* reporting errors */
|
|
if (err)
|
|
goto err_out;
|
|
}
|
|
|
|
err_out:
|
|
*data = err < 0 ? (attr_flag) : (err > 0);
|
|
return err;
|
|
}
|
|
|
|
static void fm10k_self_test(struct net_device *dev,
|
|
struct ethtool_test *eth_test, u64 *data)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
|
|
memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
|
|
|
|
if (FM10K_REMOVED(hw->hw_addr)) {
|
|
netif_err(interface, drv, dev,
|
|
"Interface removed - test blocked\n");
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
return;
|
|
}
|
|
|
|
if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
|
|
eth_test->flags |= ETH_TEST_FL_FAILED;
|
|
}
|
|
|
|
static u32 fm10k_get_priv_flags(struct net_device *netdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_set_priv_flags(struct net_device *netdev, u32 priv_flags)
|
|
{
|
|
if (priv_flags >= BIT(FM10K_PRV_FLAG_LEN))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 fm10k_get_reta_size(struct net_device __always_unused *netdev)
|
|
{
|
|
return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
|
|
}
|
|
|
|
void fm10k_write_reta(struct fm10k_intfc *interface, const u32 *indir)
|
|
{
|
|
u16 rss_i = interface->ring_feature[RING_F_RSS].indices;
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
u32 table[4];
|
|
int i, j;
|
|
|
|
/* record entries to reta table */
|
|
for (i = 0; i < FM10K_RETA_SIZE; i++) {
|
|
u32 reta, n;
|
|
|
|
/* generate a new table if we weren't given one */
|
|
for (j = 0; j < 4; j++) {
|
|
if (indir)
|
|
n = indir[4 * i + j];
|
|
else
|
|
n = ethtool_rxfh_indir_default(4 * i + j,
|
|
rss_i);
|
|
|
|
table[j] = n;
|
|
}
|
|
|
|
reta = table[0] |
|
|
(table[1] << 8) |
|
|
(table[2] << 16) |
|
|
(table[3] << 24);
|
|
|
|
if (interface->reta[i] == reta)
|
|
continue;
|
|
|
|
interface->reta[i] = reta;
|
|
fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
|
|
}
|
|
}
|
|
|
|
static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
int i;
|
|
|
|
if (!indir)
|
|
return 0;
|
|
|
|
for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
|
|
u32 reta = interface->reta[i];
|
|
|
|
indir[0] = (reta << 24) >> 24;
|
|
indir[1] = (reta << 16) >> 24;
|
|
indir[2] = (reta << 8) >> 24;
|
|
indir[3] = (reta) >> 24;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
int i;
|
|
u16 rss_i;
|
|
|
|
if (!indir)
|
|
return 0;
|
|
|
|
/* Verify user input. */
|
|
rss_i = interface->ring_feature[RING_F_RSS].indices;
|
|
for (i = fm10k_get_reta_size(netdev); i--;) {
|
|
if (indir[i] < rss_i)
|
|
continue;
|
|
return -EINVAL;
|
|
}
|
|
|
|
fm10k_write_reta(interface, indir);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 fm10k_get_rssrk_size(struct net_device __always_unused *netdev)
|
|
{
|
|
return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
|
|
}
|
|
|
|
static int fm10k_get_rssh(struct net_device *netdev,
|
|
struct ethtool_rxfh_param *rxfh)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
u8 *key = rxfh->key;
|
|
int i, err;
|
|
|
|
rxfh->hfunc = ETH_RSS_HASH_TOP;
|
|
|
|
err = fm10k_get_reta(netdev, rxfh->indir);
|
|
if (err || !key)
|
|
return err;
|
|
|
|
for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
|
|
*(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fm10k_set_rssh(struct net_device *netdev,
|
|
struct ethtool_rxfh_param *rxfh,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(netdev);
|
|
struct fm10k_hw *hw = &interface->hw;
|
|
int i, err;
|
|
|
|
/* We do not allow change in unsupported parameters */
|
|
if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
|
|
rxfh->hfunc != ETH_RSS_HASH_TOP)
|
|
return -EOPNOTSUPP;
|
|
|
|
err = fm10k_set_reta(netdev, rxfh->indir);
|
|
if (err || !rxfh->key)
|
|
return err;
|
|
|
|
for (i = 0; i < FM10K_RSSRK_SIZE; i++, rxfh->key += 4) {
|
|
u32 rssrk = le32_to_cpu(*(__le32 *)rxfh->key);
|
|
|
|
if (interface->rssrk[i] == rssrk)
|
|
continue;
|
|
|
|
interface->rssrk[i] = rssrk;
|
|
fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int fm10k_max_channels(struct net_device *dev)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
unsigned int max_combined = interface->hw.mac.max_queues;
|
|
u8 tcs = netdev_get_num_tc(dev);
|
|
|
|
/* For QoS report channels per traffic class */
|
|
if (tcs > 1)
|
|
max_combined = BIT((fls(max_combined / tcs) - 1));
|
|
|
|
return max_combined;
|
|
}
|
|
|
|
static void fm10k_get_channels(struct net_device *dev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
|
|
/* report maximum channels */
|
|
ch->max_combined = fm10k_max_channels(dev);
|
|
|
|
/* report info for other vector */
|
|
ch->max_other = NON_Q_VECTORS;
|
|
ch->other_count = ch->max_other;
|
|
|
|
/* record RSS queues */
|
|
ch->combined_count = interface->ring_feature[RING_F_RSS].indices;
|
|
}
|
|
|
|
static int fm10k_set_channels(struct net_device *dev,
|
|
struct ethtool_channels *ch)
|
|
{
|
|
struct fm10k_intfc *interface = netdev_priv(dev);
|
|
unsigned int count = ch->combined_count;
|
|
|
|
/* verify they are not requesting separate vectors */
|
|
if (!count || ch->rx_count || ch->tx_count)
|
|
return -EINVAL;
|
|
|
|
/* verify other_count has not changed */
|
|
if (ch->other_count != NON_Q_VECTORS)
|
|
return -EINVAL;
|
|
|
|
/* verify the number of channels does not exceed hardware limits */
|
|
if (count > fm10k_max_channels(dev))
|
|
return -EINVAL;
|
|
|
|
interface->ring_feature[RING_F_RSS].limit = count;
|
|
|
|
/* use setup TC to update any traffic class queue mapping */
|
|
return fm10k_setup_tc(dev, netdev_get_num_tc(dev));
|
|
}
|
|
|
|
static const struct ethtool_ops fm10k_ethtool_ops = {
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
|
|
ETHTOOL_COALESCE_USE_ADAPTIVE,
|
|
.get_strings = fm10k_get_strings,
|
|
.get_sset_count = fm10k_get_sset_count,
|
|
.get_ethtool_stats = fm10k_get_ethtool_stats,
|
|
.get_drvinfo = fm10k_get_drvinfo,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_pauseparam = fm10k_get_pauseparam,
|
|
.set_pauseparam = fm10k_set_pauseparam,
|
|
.get_msglevel = fm10k_get_msglevel,
|
|
.set_msglevel = fm10k_set_msglevel,
|
|
.get_ringparam = fm10k_get_ringparam,
|
|
.set_ringparam = fm10k_set_ringparam,
|
|
.get_coalesce = fm10k_get_coalesce,
|
|
.set_coalesce = fm10k_set_coalesce,
|
|
.get_rxnfc = fm10k_get_rxnfc,
|
|
.set_rxnfc = fm10k_set_rxnfc,
|
|
.get_regs = fm10k_get_regs,
|
|
.get_regs_len = fm10k_get_regs_len,
|
|
.self_test = fm10k_self_test,
|
|
.get_priv_flags = fm10k_get_priv_flags,
|
|
.set_priv_flags = fm10k_set_priv_flags,
|
|
.get_rxfh_indir_size = fm10k_get_reta_size,
|
|
.get_rxfh_key_size = fm10k_get_rssrk_size,
|
|
.get_rxfh = fm10k_get_rssh,
|
|
.set_rxfh = fm10k_set_rssh,
|
|
.get_channels = fm10k_get_channels,
|
|
.set_channels = fm10k_set_channels,
|
|
.get_ts_info = ethtool_op_get_ts_info,
|
|
};
|
|
|
|
void fm10k_set_ethtool_ops(struct net_device *dev)
|
|
{
|
|
dev->ethtool_ops = &fm10k_ethtool_ops;
|
|
}
|