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Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1576 lines
45 KiB
C
1576 lines
45 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2005-2006 Fen Systems Ltd.
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* Copyright 2006-2013 Solarflare Communications Inc.
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/rtnetlink.h>
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#include <linux/in.h>
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#include "net_driver.h"
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#include "workarounds.h"
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#include "selftest.h"
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#include "efx.h"
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#include "filter.h"
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#include "nic.h"
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struct efx_sw_stat_desc {
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const char *name;
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enum {
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EFX_ETHTOOL_STAT_SOURCE_nic,
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EFX_ETHTOOL_STAT_SOURCE_channel,
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EFX_ETHTOOL_STAT_SOURCE_tx_queue
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} source;
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unsigned offset;
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u64(*get_stat) (void *field); /* Reader function */
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};
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/* Initialiser for a struct efx_sw_stat_desc with type-checking */
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#define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
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get_stat_function) { \
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.name = #stat_name, \
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.source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
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.offset = ((((field_type *) 0) == \
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&((struct efx_##source_name *)0)->field) ? \
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offsetof(struct efx_##source_name, field) : \
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offsetof(struct efx_##source_name, field)), \
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.get_stat = get_stat_function, \
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}
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static u64 efx_get_uint_stat(void *field)
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{
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return *(unsigned int *)field;
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}
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static u64 efx_get_atomic_stat(void *field)
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{
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return atomic_read((atomic_t *) field);
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}
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#define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
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EFX_ETHTOOL_STAT(field, nic, field, \
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atomic_t, efx_get_atomic_stat)
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#define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
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EFX_ETHTOOL_STAT(field, channel, n_##field, \
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unsigned int, efx_get_uint_stat)
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#define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
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EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
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unsigned int, efx_get_uint_stat)
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static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
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EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
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EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
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EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
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EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
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EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
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EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
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EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
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EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
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EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
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EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
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};
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#define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
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#define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
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/**************************************************************************
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*
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* Ethtool operations
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*
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**************************************************************************
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*/
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/* Identify device by flashing LEDs */
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static int efx_ethtool_phys_id(struct net_device *net_dev,
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enum ethtool_phys_id_state state)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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enum efx_led_mode mode = EFX_LED_DEFAULT;
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switch (state) {
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case ETHTOOL_ID_ON:
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mode = EFX_LED_ON;
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break;
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case ETHTOOL_ID_OFF:
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mode = EFX_LED_OFF;
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break;
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case ETHTOOL_ID_INACTIVE:
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mode = EFX_LED_DEFAULT;
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break;
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case ETHTOOL_ID_ACTIVE:
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return 1; /* cycle on/off once per second */
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}
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efx->type->set_id_led(efx, mode);
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return 0;
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}
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/* This must be called with rtnl_lock held. */
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static int
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efx_ethtool_get_link_ksettings(struct net_device *net_dev,
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struct ethtool_link_ksettings *cmd)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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struct efx_link_state *link_state = &efx->link_state;
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u32 supported;
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mutex_lock(&efx->mac_lock);
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efx->phy_op->get_link_ksettings(efx, cmd);
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mutex_unlock(&efx->mac_lock);
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/* Both MACs support pause frames (bidirectional and respond-only) */
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ethtool_convert_link_mode_to_legacy_u32(&supported,
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cmd->link_modes.supported);
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supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
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supported);
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if (LOOPBACK_INTERNAL(efx)) {
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cmd->base.speed = link_state->speed;
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cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
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}
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return 0;
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}
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/* This must be called with rtnl_lock held. */
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static int
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efx_ethtool_set_link_ksettings(struct net_device *net_dev,
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const struct ethtool_link_ksettings *cmd)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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int rc;
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/* GMAC does not support 1000Mbps HD */
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if ((cmd->base.speed == SPEED_1000) &&
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(cmd->base.duplex != DUPLEX_FULL)) {
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netif_dbg(efx, drv, efx->net_dev,
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"rejecting unsupported 1000Mbps HD setting\n");
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return -EINVAL;
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}
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mutex_lock(&efx->mac_lock);
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rc = efx->phy_op->set_link_ksettings(efx, cmd);
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mutex_unlock(&efx->mac_lock);
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return rc;
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}
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static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
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struct ethtool_drvinfo *info)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
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strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
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efx_mcdi_print_fwver(efx, info->fw_version,
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sizeof(info->fw_version));
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strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
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}
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static int efx_ethtool_get_regs_len(struct net_device *net_dev)
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{
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return efx_nic_get_regs_len(netdev_priv(net_dev));
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}
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static void efx_ethtool_get_regs(struct net_device *net_dev,
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struct ethtool_regs *regs, void *buf)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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regs->version = efx->type->revision;
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efx_nic_get_regs(efx, buf);
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}
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static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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return efx->msg_enable;
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}
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static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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efx->msg_enable = msg_enable;
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}
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/**
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* efx_fill_test - fill in an individual self-test entry
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* @test_index: Index of the test
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* @strings: Ethtool strings, or %NULL
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* @data: Ethtool test results, or %NULL
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* @test: Pointer to test result (used only if data != %NULL)
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* @unit_format: Unit name format (e.g. "chan\%d")
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* @unit_id: Unit id (e.g. 0 for "chan0")
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* @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
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* @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
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*
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* Fill in an individual self-test entry.
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*/
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static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
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int *test, const char *unit_format, int unit_id,
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const char *test_format, const char *test_id)
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{
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char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
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/* Fill data value, if applicable */
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if (data)
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data[test_index] = *test;
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/* Fill string, if applicable */
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if (strings) {
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if (strchr(unit_format, '%'))
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snprintf(unit_str, sizeof(unit_str),
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unit_format, unit_id);
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else
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strcpy(unit_str, unit_format);
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snprintf(test_str, sizeof(test_str), test_format, test_id);
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snprintf(strings + test_index * ETH_GSTRING_LEN,
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ETH_GSTRING_LEN,
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"%-6s %-24s", unit_str, test_str);
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}
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}
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#define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
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#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
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#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
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#define EFX_LOOPBACK_NAME(_mode, _counter) \
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"loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
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/**
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* efx_fill_loopback_test - fill in a block of loopback self-test entries
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* @efx: Efx NIC
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* @lb_tests: Efx loopback self-test results structure
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* @mode: Loopback test mode
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* @test_index: Starting index of the test
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* @strings: Ethtool strings, or %NULL
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* @data: Ethtool test results, or %NULL
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*
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* Fill in a block of loopback self-test entries. Return new test
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* index.
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*/
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static int efx_fill_loopback_test(struct efx_nic *efx,
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struct efx_loopback_self_tests *lb_tests,
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enum efx_loopback_mode mode,
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unsigned int test_index,
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u8 *strings, u64 *data)
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{
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struct efx_channel *channel =
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efx_get_channel(efx, efx->tx_channel_offset);
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struct efx_tx_queue *tx_queue;
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efx_for_each_channel_tx_queue(tx_queue, channel) {
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efx_fill_test(test_index++, strings, data,
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&lb_tests->tx_sent[tx_queue->queue],
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EFX_TX_QUEUE_NAME(tx_queue),
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EFX_LOOPBACK_NAME(mode, "tx_sent"));
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efx_fill_test(test_index++, strings, data,
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&lb_tests->tx_done[tx_queue->queue],
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EFX_TX_QUEUE_NAME(tx_queue),
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EFX_LOOPBACK_NAME(mode, "tx_done"));
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}
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efx_fill_test(test_index++, strings, data,
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&lb_tests->rx_good,
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"rx", 0,
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EFX_LOOPBACK_NAME(mode, "rx_good"));
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efx_fill_test(test_index++, strings, data,
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&lb_tests->rx_bad,
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"rx", 0,
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EFX_LOOPBACK_NAME(mode, "rx_bad"));
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return test_index;
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}
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/**
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* efx_ethtool_fill_self_tests - get self-test details
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* @efx: Efx NIC
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* @tests: Efx self-test results structure, or %NULL
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* @strings: Ethtool strings, or %NULL
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* @data: Ethtool test results, or %NULL
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*
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* Get self-test number of strings, strings, and/or test results.
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* Return number of strings (== number of test results).
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*
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* The reason for merging these three functions is to make sure that
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* they can never be inconsistent.
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*/
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static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
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struct efx_self_tests *tests,
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u8 *strings, u64 *data)
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{
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struct efx_channel *channel;
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unsigned int n = 0, i;
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enum efx_loopback_mode mode;
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efx_fill_test(n++, strings, data, &tests->phy_alive,
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"phy", 0, "alive", NULL);
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efx_fill_test(n++, strings, data, &tests->nvram,
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"core", 0, "nvram", NULL);
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efx_fill_test(n++, strings, data, &tests->interrupt,
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"core", 0, "interrupt", NULL);
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/* Event queues */
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efx_for_each_channel(channel, efx) {
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efx_fill_test(n++, strings, data,
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&tests->eventq_dma[channel->channel],
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EFX_CHANNEL_NAME(channel),
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"eventq.dma", NULL);
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efx_fill_test(n++, strings, data,
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&tests->eventq_int[channel->channel],
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EFX_CHANNEL_NAME(channel),
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"eventq.int", NULL);
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}
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efx_fill_test(n++, strings, data, &tests->memory,
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"core", 0, "memory", NULL);
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efx_fill_test(n++, strings, data, &tests->registers,
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"core", 0, "registers", NULL);
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if (efx->phy_op->run_tests != NULL) {
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EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL);
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for (i = 0; true; ++i) {
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const char *name;
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EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
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name = efx->phy_op->test_name(efx, i);
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if (name == NULL)
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break;
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efx_fill_test(n++, strings, data, &tests->phy_ext[i],
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"phy", 0, name, NULL);
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}
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}
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/* Loopback tests */
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for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
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if (!(efx->loopback_modes & (1 << mode)))
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continue;
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n = efx_fill_loopback_test(efx,
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&tests->loopback[mode], mode, n,
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strings, data);
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}
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return n;
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}
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static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
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{
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size_t n_stats = 0;
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struct efx_channel *channel;
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efx_for_each_channel(channel, efx) {
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if (efx_channel_has_tx_queues(channel)) {
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n_stats++;
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if (strings != NULL) {
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snprintf(strings, ETH_GSTRING_LEN,
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"tx-%u.tx_packets",
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channel->tx_queue[0].queue /
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EFX_TXQ_TYPES);
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strings += ETH_GSTRING_LEN;
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}
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}
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}
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efx_for_each_channel(channel, efx) {
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if (efx_channel_has_rx_queue(channel)) {
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n_stats++;
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if (strings != NULL) {
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snprintf(strings, ETH_GSTRING_LEN,
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"rx-%d.rx_packets", channel->channel);
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strings += ETH_GSTRING_LEN;
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}
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}
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}
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return n_stats;
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}
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static int efx_ethtool_get_sset_count(struct net_device *net_dev,
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int string_set)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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switch (string_set) {
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case ETH_SS_STATS:
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return efx->type->describe_stats(efx, NULL) +
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EFX_ETHTOOL_SW_STAT_COUNT +
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efx_describe_per_queue_stats(efx, NULL) +
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efx_ptp_describe_stats(efx, NULL);
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case ETH_SS_TEST:
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return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
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default:
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return -EINVAL;
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}
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}
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static void efx_ethtool_get_strings(struct net_device *net_dev,
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u32 string_set, u8 *strings)
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{
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struct efx_nic *efx = netdev_priv(net_dev);
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int i;
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switch (string_set) {
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case ETH_SS_STATS:
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strings += (efx->type->describe_stats(efx, strings) *
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ETH_GSTRING_LEN);
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for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
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strlcpy(strings + i * ETH_GSTRING_LEN,
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efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
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strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
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strings += (efx_describe_per_queue_stats(efx, strings) *
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ETH_GSTRING_LEN);
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|
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, NULL);
|
|
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,
|
|
};
|