/*
* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "en.h"
#include "en/port.h"
void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
struct ethtool_drvinfo *drvinfo)
{
struct mlx5_core_dev *mdev = priv->mdev;
strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
strlcpy(drvinfo->version, DRIVER_VERSION,
sizeof(drvinfo->version));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%04d (%.16s)",
fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
mdev->board_id);
strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
sizeof(drvinfo->bus_info));
}
static void mlx5e_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_drvinfo(priv, drvinfo);
}
struct ptys2ethtool_config {
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
};
static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER];
#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, ...) \
({ \
struct ptys2ethtool_config *cfg; \
const unsigned int modes[] = { __VA_ARGS__ }; \
unsigned int i; \
cfg = &ptys2ethtool_table[reg_]; \
bitmap_zero(cfg->supported, \
__ETHTOOL_LINK_MODE_MASK_NBITS); \
bitmap_zero(cfg->advertised, \
__ETHTOOL_LINK_MODE_MASK_NBITS); \
for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \
__set_bit(modes[i], cfg->supported); \
__set_bit(modes[i], cfg->advertised); \
} \
})
void mlx5e_build_ptys2ethtool_map(void)
{
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4,
ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4,
ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2,
ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4,
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4,
ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4,
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4,
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T,
ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR,
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR,
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2,
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2,
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
}
int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
{
int i, num_stats = 0;
switch (sset) {
case ETH_SS_STATS:
for (i = 0; i < mlx5e_num_stats_grps; i++)
num_stats += mlx5e_stats_grps[i].get_num_stats(priv);
return num_stats;
case ETH_SS_PRIV_FLAGS:
return ARRAY_SIZE(mlx5e_priv_flags);
case ETH_SS_TEST:
return mlx5e_self_test_num(priv);
/* fallthrough */
default:
return -EOPNOTSUPP;
}
}
static int mlx5e_get_sset_count(struct net_device *dev, int sset)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_get_sset_count(priv, sset);
}
static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
{
int i, idx = 0;
for (i = 0; i < mlx5e_num_stats_grps; i++)
idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
}
void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
{
int i;
switch (stringset) {
case ETH_SS_PRIV_FLAGS:
for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
break;
case ETH_SS_TEST:
for (i = 0; i < mlx5e_self_test_num(priv); i++)
strcpy(data + i * ETH_GSTRING_LEN,
mlx5e_self_tests[i]);
break;
case ETH_SS_STATS:
mlx5e_fill_stats_strings(priv, data);
break;
}
}
static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_strings(priv, stringset, data);
}
void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
struct ethtool_stats *stats, u64 *data)
{
int i, idx = 0;
mutex_lock(&priv->state_lock);
mlx5e_update_stats(priv);
mutex_unlock(&priv->state_lock);
for (i = 0; i < mlx5e_num_stats_grps; i++)
idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
}
static void mlx5e_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats,
u64 *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
}
void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
struct ethtool_ringparam *param)
{
param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames;
param->tx_pending = 1 << priv->channels.params.log_sq_size;
}
static void mlx5e_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_ringparam(priv, param);
}
int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
struct ethtool_ringparam *param)
{
struct mlx5e_channels new_channels = {};
u8 log_rq_size;
u8 log_sq_size;
int err = 0;
if (param->rx_jumbo_pending) {
netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
__func__);
return -EINVAL;
}
if (param->rx_mini_pending) {
netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
__func__);
return -EINVAL;
}
if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
__func__, param->rx_pending,
1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
return -EINVAL;
}
if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
__func__, param->tx_pending,
1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
return -EINVAL;
}
log_rq_size = order_base_2(param->rx_pending);
log_sq_size = order_base_2(param->tx_pending);
if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
log_sq_size == priv->channels.params.log_sq_size)
return 0;
mutex_lock(&priv->state_lock);
new_channels.params = priv->channels.params;
new_channels.params.log_rq_mtu_frames = log_rq_size;
new_channels.params.log_sq_size = log_sq_size;
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
goto unlock;
}
err = mlx5e_open_channels(priv, &new_channels);
if (err)
goto unlock;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
unlock:
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_set_ringparam(priv, param);
}
void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
struct ethtool_channels *ch)
{
ch->max_combined = priv->profile->max_nch(priv->mdev);
ch->combined_count = priv->channels.params.num_channels;
}
static void mlx5e_get_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
mlx5e_ethtool_get_channels(priv, ch);
}
int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
struct ethtool_channels *ch)
{
unsigned int count = ch->combined_count;
struct mlx5e_channels new_channels = {};
bool arfs_enabled;
int err = 0;
if (!count) {
netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
__func__);
return -EINVAL;
}
if (priv->channels.params.num_channels == count)
return 0;
mutex_lock(&priv->state_lock);
new_channels.params = priv->channels.params;
new_channels.params.num_channels = count;
if (!netif_is_rxfh_configured(priv->netdev))
mlx5e_build_default_indir_rqt(new_channels.params.indirection_rqt,
MLX5E_INDIR_RQT_SIZE, count);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
goto out;
}
/* Create fresh channels with new parameters */
err = mlx5e_open_channels(priv, &new_channels);
if (err)
goto out;
arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
if (arfs_enabled)
mlx5e_arfs_disable(priv);
/* Switch to new channels, set new parameters and close old ones */
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
if (arfs_enabled) {
err = mlx5e_arfs_enable(priv);
if (err)
netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
__func__, err);
}
out:
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_set_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_set_channels(priv, ch);
}
int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
struct ethtool_coalesce *coal)
{
struct net_dim_cq_moder *rx_moder, *tx_moder;
if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
return -EOPNOTSUPP;
rx_moder = &priv->channels.params.rx_cq_moderation;
coal->rx_coalesce_usecs = rx_moder->usec;
coal->rx_max_coalesced_frames = rx_moder->pkts;
coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled;
tx_moder = &priv->channels.params.tx_cq_moderation;
coal->tx_coalesce_usecs = tx_moder->usec;
coal->tx_max_coalesced_frames = tx_moder->pkts;
coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled;
return 0;
}
static int mlx5e_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_coalesce(priv, coal);
}
#define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD
#define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT
static void
mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
struct mlx5_core_dev *mdev = priv->mdev;
int tc;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
for (tc = 0; tc < c->num_tc; tc++) {
mlx5_core_modify_cq_moderation(mdev,
&c->sq[tc].cq.mcq,
coal->tx_coalesce_usecs,
coal->tx_max_coalesced_frames);
}
mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
coal->rx_coalesce_usecs,
coal->rx_max_coalesced_frames);
}
}
int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
struct ethtool_coalesce *coal)
{
struct net_dim_cq_moder *rx_moder, *tx_moder;
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channels new_channels = {};
int err = 0;
bool reset;
if (!MLX5_CAP_GEN(mdev, cq_moderation))
return -EOPNOTSUPP;
if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
__func__, MLX5E_MAX_COAL_TIME);
return -ERANGE;
}
if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
__func__, MLX5E_MAX_COAL_FRAMES);
return -ERANGE;
}
mutex_lock(&priv->state_lock);
new_channels.params = priv->channels.params;
rx_moder = &new_channels.params.rx_cq_moderation;
rx_moder->usec = coal->rx_coalesce_usecs;
rx_moder->pkts = coal->rx_max_coalesced_frames;
new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
tx_moder = &new_channels.params.tx_cq_moderation;
tx_moder->usec = coal->tx_coalesce_usecs;
tx_moder->pkts = coal->tx_max_coalesced_frames;
new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
goto out;
}
/* we are opened */
reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
(!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
if (!reset) {
mlx5e_set_priv_channels_coalesce(priv, coal);
priv->channels.params = new_channels.params;
goto out;
}
/* open fresh channels with new coal parameters */
err = mlx5e_open_channels(priv, &new_channels);
if (err)
goto out;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
out:
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_set_coalesce(priv, coal);
}
static void ptys2ethtool_supported_link(unsigned long *supported_modes,
u32 eth_proto_cap)
{
unsigned long proto_cap = eth_proto_cap;
int proto;
for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
bitmap_or(supported_modes, supported_modes,
ptys2ethtool_table[proto].supported,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
u32 eth_proto_cap)
{
unsigned long proto_cap = eth_proto_cap;
int proto;
for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
bitmap_or(advertising_modes, advertising_modes,
ptys2ethtool_table[proto].advertised,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
u32 eth_proto_cap,
u8 connector_type)
{
if (!connector_type || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
| MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
| MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
| MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
| MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
| MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported,
FIBRE);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising,
FIBRE);
}
if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
| MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
| MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
| MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
| MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported,
Backplane);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising,
Backplane);
}
return;
}
switch (connector_type) {
case MLX5E_PORT_TP:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, TP);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, TP);
break;
case MLX5E_PORT_AUI:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, AUI);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, AUI);
break;
case MLX5E_PORT_BNC:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, BNC);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, BNC);
break;
case MLX5E_PORT_MII:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, MII);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, MII);
break;
case MLX5E_PORT_FIBRE:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, FIBRE);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, FIBRE);
break;
case MLX5E_PORT_DA:
ethtool_link_ksettings_add_link_mode(link_ksettings,
supported, Backplane);
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, Backplane);
break;
case MLX5E_PORT_NONE:
case MLX5E_PORT_OTHER:
default:
break;
}
}
static void get_speed_duplex(struct net_device *netdev,
u32 eth_proto_oper,
struct ethtool_link_ksettings *link_ksettings)
{
u32 speed = SPEED_UNKNOWN;
u8 duplex = DUPLEX_UNKNOWN;
if (!netif_carrier_ok(netdev))
goto out;
speed = mlx5e_port_ptys2speed(eth_proto_oper);
if (!speed) {
speed = SPEED_UNKNOWN;
goto out;
}
duplex = DUPLEX_FULL;
out:
link_ksettings->base.speed = speed;
link_ksettings->base.duplex = duplex;
}
static void get_supported(u32 eth_proto_cap,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *supported = link_ksettings->link_modes.supported;
ptys2ethtool_supported_link(supported, eth_proto_cap);
ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
}
static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
u8 rx_pause,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *advertising = link_ksettings->link_modes.advertising;
ptys2ethtool_adver_link(advertising, eth_proto_cap);
if (rx_pause)
ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
if (tx_pause ^ rx_pause)
ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
}
static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
[MLX5E_PORT_UNKNOWN] = PORT_OTHER,
[MLX5E_PORT_NONE] = PORT_NONE,
[MLX5E_PORT_TP] = PORT_TP,
[MLX5E_PORT_AUI] = PORT_AUI,
[MLX5E_PORT_BNC] = PORT_BNC,
[MLX5E_PORT_MII] = PORT_MII,
[MLX5E_PORT_FIBRE] = PORT_FIBRE,
[MLX5E_PORT_DA] = PORT_DA,
[MLX5E_PORT_OTHER] = PORT_OTHER,
};
static u8 get_connector_port(u32 eth_proto, u8 connector_type)
{
if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
return ptys2connector_type[connector_type];
if (eth_proto &
(MLX5E_PROT_MASK(MLX5E_10GBASE_SR) |
MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) |
MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
return PORT_FIBRE;
}
if (eth_proto &
(MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
MLX5E_PROT_MASK(MLX5E_10GBASE_CR) |
MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
return PORT_DA;
}
if (eth_proto &
(MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
MLX5E_PROT_MASK(MLX5E_10GBASE_KR) |
MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
return PORT_NONE;
}
return PORT_OTHER;
}
static void get_lp_advertising(u32 eth_proto_lp,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
}
static int mlx5e_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
u32 rx_pause = 0;
u32 tx_pause = 0;
u32 eth_proto_cap;
u32 eth_proto_admin;
u32 eth_proto_lp;
u32 eth_proto_oper;
u8 an_disable_admin;
u8 an_status;
u8 connector_type;
int err;
err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
if (err) {
netdev_err(netdev, "%s: query port ptys failed: %d\n",
__func__, err);
goto err_query_ptys;
}
eth_proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability);
eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
an_status = MLX5_GET(ptys_reg, out, an_status);
connector_type = MLX5_GET(ptys_reg, out, connector_type);
mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
get_supported(eth_proto_cap, link_ksettings);
get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
link_ksettings->base.port = get_connector_port(eth_proto_oper,
connector_type);
ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
connector_type);
get_lp_advertising(eth_proto_lp, link_ksettings);
if (an_status == MLX5_AN_COMPLETE)
ethtool_link_ksettings_add_link_mode(link_ksettings,
lp_advertising, Autoneg);
link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
AUTONEG_ENABLE;
ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
Autoneg);
if (!an_disable_admin)
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, Autoneg);
err_query_ptys:
return err;
}
static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
{
u32 i, ptys_modes = 0;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (bitmap_intersects(ptys2ethtool_table[i].advertised,
link_modes,
__ETHTOOL_LINK_MODE_MASK_NBITS))
ptys_modes |= MLX5E_PROT_MASK(i);
}
return ptys_modes;
}
static int mlx5e_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u32 eth_proto_cap, eth_proto_admin;
bool an_changes = false;
u8 an_disable_admin;
u8 an_disable_cap;
bool an_disable;
u32 link_modes;
u8 an_status;
u32 speed;
int err;
speed = link_ksettings->base.speed;
link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
mlx5e_port_speed2linkmodes(speed);
err = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN);
if (err) {
netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
__func__, err);
goto out;
}
link_modes = link_modes & eth_proto_cap;
if (!link_modes) {
netdev_err(netdev, "%s: Not supported link mode(s) requested",
__func__);
err = -EINVAL;
goto out;
}
err = mlx5_query_port_proto_admin(mdev, ð_proto_admin, MLX5_PTYS_EN);
if (err) {
netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
__func__, err);
goto out;
}
mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
&an_disable_cap, &an_disable_admin);
an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
an_changes = ((!an_disable && an_disable_admin) ||
(an_disable && !an_disable_admin));
if (!an_changes && link_modes == eth_proto_admin)
goto out;
mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
mlx5_toggle_port_link(mdev);
out:
return err;
}
static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return sizeof(priv->channels.params.toeplitz_hash_key);
}
static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
{
return MLX5E_INDIR_RQT_SIZE;
}
static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
if (indir)
memcpy(indir, priv->channels.params.indirection_rqt,
sizeof(priv->channels.params.indirection_rqt));
if (key)
memcpy(key, priv->channels.params.toeplitz_hash_key,
sizeof(priv->channels.params.toeplitz_hash_key));
if (hfunc)
*hfunc = priv->channels.params.rss_hfunc;
return 0;
}
static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
{
void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
struct mlx5_core_dev *mdev = priv->mdev;
int ctxlen = MLX5_ST_SZ_BYTES(tirc);
int tt;
MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
memset(tirc, 0, ctxlen);
mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false);
mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
}
if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
return;
for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
memset(tirc, 0, ctxlen);
mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, true);
mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in, inlen);
}
}
static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
bool hash_changed = false;
void *in;
if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
(hfunc != ETH_RSS_HASH_XOR) &&
(hfunc != ETH_RSS_HASH_TOP))
return -EINVAL;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
mutex_lock(&priv->state_lock);
if (hfunc != ETH_RSS_HASH_NO_CHANGE &&
hfunc != priv->channels.params.rss_hfunc) {
priv->channels.params.rss_hfunc = hfunc;
hash_changed = true;
}
if (indir) {
memcpy(priv->channels.params.indirection_rqt, indir,
sizeof(priv->channels.params.indirection_rqt));
if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
u32 rqtn = priv->indir_rqt.rqtn;
struct mlx5e_redirect_rqt_param rrp = {
.is_rss = true,
{
.rss = {
.hfunc = priv->channels.params.rss_hfunc,
.channels = &priv->channels,
},
},
};
mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
}
}
if (key) {
memcpy(priv->channels.params.toeplitz_hash_key, key,
sizeof(priv->channels.params.toeplitz_hash_key));
hash_changed = hash_changed ||
priv->channels.params.rss_hfunc == ETH_RSS_HASH_TOP;
}
if (hash_changed)
mlx5e_modify_tirs_hash(priv, in, inlen);
mutex_unlock(&priv->state_lock);
kvfree(in);
return 0;
}
static int mlx5e_get_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *info, u32 *rule_locs)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
int err = 0;
switch (info->cmd) {
case ETHTOOL_GRXRINGS:
info->data = priv->channels.params.num_channels;
break;
case ETHTOOL_GRXCLSRLCNT:
info->rule_cnt = priv->fs.ethtool.tot_num_rules;
break;
case ETHTOOL_GRXCLSRULE:
err = mlx5e_ethtool_get_flow(priv, info, info->fs.location);
break;
case ETHTOOL_GRXCLSRLALL:
err = mlx5e_ethtool_get_all_flows(priv, info, rule_locs);
break;
default:
err = -EOPNOTSUPP;
break;
}
return err;
}
#define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100
#define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000
#define MLX5E_PFC_PREVEN_MINOR_PRECENT 85
#define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC 80
#define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
(critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
u16 *pfc_prevention_tout)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
!MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
return -EOPNOTSUPP;
return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
}
static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
u16 pfc_preven)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u16 critical_tout;
u16 minor;
if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
!MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
return -EOPNOTSUPP;
critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
pfc_preven;
if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
(critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
__func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
return -EINVAL;
}
minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
return mlx5_set_port_stall_watermark(mdev, critical_tout,
minor);
}
static int mlx5e_get_tunable(struct net_device *dev,
const struct ethtool_tunable *tuna,
void *data)
{
int err;
switch (tuna->id) {
case ETHTOOL_PFC_PREVENTION_TOUT:
err = mlx5e_get_pfc_prevention_tout(dev, data);
break;
default:
err = -EINVAL;
break;
}
return err;
}
static int mlx5e_set_tunable(struct net_device *dev,
const struct ethtool_tunable *tuna,
const void *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int err;
mutex_lock(&priv->state_lock);
switch (tuna->id) {
case ETHTOOL_PFC_PREVENTION_TOUT:
err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
break;
default:
err = -EINVAL;
break;
}
mutex_unlock(&priv->state_lock);
return err;
}
static void mlx5e_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pauseparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
int err;
err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
&pauseparam->tx_pause);
if (err) {
netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
__func__, err);
}
}
static int mlx5e_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pauseparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
int err;
if (pauseparam->autoneg)
return -EINVAL;
err = mlx5_set_port_pause(mdev,
pauseparam->rx_pause ? 1 : 0,
pauseparam->tx_pause ? 1 : 0);
if (err) {
netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
__func__, err);
}
return err;
}
int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
struct ethtool_ts_info *info)
{
struct mlx5_core_dev *mdev = priv->mdev;
int ret;
ret = ethtool_op_get_ts_info(priv->netdev, info);
if (ret)
return ret;
info->phc_index = mdev->clock.ptp ?
ptp_clock_index(mdev->clock.ptp) : -1;
if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
return 0;
info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
info->tx_types = BIT(HWTSTAMP_TX_OFF) |
BIT(HWTSTAMP_TX_ON);
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
BIT(HWTSTAMP_FILTER_ALL);
return 0;
}
static int mlx5e_get_ts_info(struct net_device *dev,
struct ethtool_ts_info *info)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_get_ts_info(priv, info);
}
static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
{
__u32 ret = 0;
if (MLX5_CAP_GEN(mdev, wol_g))
ret |= WAKE_MAGIC;
if (MLX5_CAP_GEN(mdev, wol_s))
ret |= WAKE_MAGICSECURE;
if (MLX5_CAP_GEN(mdev, wol_a))
ret |= WAKE_ARP;
if (MLX5_CAP_GEN(mdev, wol_b))
ret |= WAKE_BCAST;
if (MLX5_CAP_GEN(mdev, wol_m))
ret |= WAKE_MCAST;
if (MLX5_CAP_GEN(mdev, wol_u))
ret |= WAKE_UCAST;
if (MLX5_CAP_GEN(mdev, wol_p))
ret |= WAKE_PHY;
return ret;
}
static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
{
__u32 ret = 0;
if (mode & MLX5_WOL_MAGIC)
ret |= WAKE_MAGIC;
if (mode & MLX5_WOL_SECURED_MAGIC)
ret |= WAKE_MAGICSECURE;
if (mode & MLX5_WOL_ARP)
ret |= WAKE_ARP;
if (mode & MLX5_WOL_BROADCAST)
ret |= WAKE_BCAST;
if (mode & MLX5_WOL_MULTICAST)
ret |= WAKE_MCAST;
if (mode & MLX5_WOL_UNICAST)
ret |= WAKE_UCAST;
if (mode & MLX5_WOL_PHY_ACTIVITY)
ret |= WAKE_PHY;
return ret;
}
static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
{
u8 ret = 0;
if (mode & WAKE_MAGIC)
ret |= MLX5_WOL_MAGIC;
if (mode & WAKE_MAGICSECURE)
ret |= MLX5_WOL_SECURED_MAGIC;
if (mode & WAKE_ARP)
ret |= MLX5_WOL_ARP;
if (mode & WAKE_BCAST)
ret |= MLX5_WOL_BROADCAST;
if (mode & WAKE_MCAST)
ret |= MLX5_WOL_MULTICAST;
if (mode & WAKE_UCAST)
ret |= MLX5_WOL_UNICAST;
if (mode & WAKE_PHY)
ret |= MLX5_WOL_PHY_ACTIVITY;
return ret;
}
static void mlx5e_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u8 mlx5_wol_mode;
int err;
memset(wol, 0, sizeof(*wol));
wol->supported = mlx5e_get_wol_supported(mdev);
if (!wol->supported)
return;
err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
if (err)
return;
wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
}
static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
__u32 wol_supported = mlx5e_get_wol_supported(mdev);
u32 mlx5_wol_mode;
if (!wol_supported)
return -EOPNOTSUPP;
if (wol->wolopts & ~wol_supported)
return -EINVAL;
mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
return mlx5_set_port_wol(mdev, mlx5_wol_mode);
}
static u32 mlx5e_get_msglevel(struct net_device *dev)
{
return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
}
static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
{
((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
}
static int mlx5e_set_phys_id(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5_core_dev *mdev = priv->mdev;
u16 beacon_duration;
if (!MLX5_CAP_GEN(mdev, beacon_led))
return -EOPNOTSUPP;
switch (state) {
case ETHTOOL_ID_ACTIVE:
beacon_duration = MLX5_BEACON_DURATION_INF;
break;
case ETHTOOL_ID_INACTIVE:
beacon_duration = MLX5_BEACON_DURATION_OFF;
break;
default:
return -EOPNOTSUPP;
}
return mlx5_set_port_beacon(mdev, beacon_duration);
}
static int mlx5e_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *dev = priv->mdev;
int size_read = 0;
u8 data[4];
size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
if (size_read < 2)
return -EIO;
/* data[0] = identifier byte */
switch (data[0]) {
case MLX5_MODULE_ID_QSFP:
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case MLX5_MODULE_ID_QSFP_PLUS:
case MLX5_MODULE_ID_QSFP28:
/* data[1] = revision id */
if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
} else {
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
}
break;
case MLX5_MODULE_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
break;
default:
netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
__func__, data[0]);
return -EINVAL;
}
return 0;
}
static int mlx5e_get_module_eeprom(struct net_device *netdev,
struct ethtool_eeprom *ee,
u8 *data)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
int offset = ee->offset;
int size_read;
int i = 0;
if (!ee->len)
return -EINVAL;
memset(data, 0, ee->len);
while (i < ee->len) {
size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
data + i);
if (!size_read)
/* Done reading */
return 0;
if (size_read < 0) {
netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
__func__, size_read);
return 0;
}
i += size_read;
offset += size_read;
}
return 0;
}
typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
bool is_rx_cq)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channels new_channels = {};
bool mode_changed;
u8 cq_period_mode, current_cq_period_mode;
int err = 0;
cq_period_mode = enable ?
MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
current_cq_period_mode = is_rx_cq ?
priv->channels.params.rx_cq_moderation.cq_period_mode :
priv->channels.params.tx_cq_moderation.cq_period_mode;
mode_changed = cq_period_mode != current_cq_period_mode;
if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
!MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
return -EOPNOTSUPP;
if (!mode_changed)
return 0;
new_channels.params = priv->channels.params;
if (is_rx_cq)
mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode);
else
mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
return 0;
}
err = mlx5e_open_channels(priv, &new_channels);
if (err)
return err;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
return 0;
}
static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
{
return set_pflag_cqe_based_moder(netdev, enable, false);
}
static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
{
return set_pflag_cqe_based_moder(netdev, enable, true);
}
int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val)
{
bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
struct mlx5e_channels new_channels = {};
int err = 0;
if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
return new_val ? -EOPNOTSUPP : 0;
if (curr_val == new_val)
return 0;
new_channels.params = priv->channels.params;
MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
return 0;
}
err = mlx5e_open_channels(priv, &new_channels);
if (err)
return err;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
MLX5E_GET_PFLAG(&priv->channels.params,
MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
return 0;
}
static int set_pflag_rx_cqe_compress(struct net_device *netdev,
bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
if (!MLX5_CAP_GEN(mdev, cqe_compression))
return -EOPNOTSUPP;
if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
return -EINVAL;
}
mlx5e_modify_rx_cqe_compression_locked(priv, enable);
priv->channels.params.rx_cqe_compress_def = enable;
return 0;
}
static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channels new_channels = {};
int err;
if (enable) {
if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
return -EOPNOTSUPP;
if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
return -EINVAL;
} else if (priv->channels.params.lro_en) {
netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
return -EINVAL;
}
new_channels.params = priv->channels.params;
MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
mlx5e_set_rq_type(mdev, &new_channels.params);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
return 0;
}
err = mlx5e_open_channels(priv, &new_channels);
if (err)
return err;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
return 0;
}
static int mlx5e_handle_pflag(struct net_device *netdev,
u32 wanted_flags,
enum mlx5e_priv_flag flag,
mlx5e_pflag_handler pflag_handler)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
bool enable = !!(wanted_flags & flag);
u32 changes = wanted_flags ^ priv->channels.params.pflags;
int err;
if (!(changes & flag))
return 0;
err = pflag_handler(netdev, enable);
if (err) {
netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
enable ? "Enable" : "Disable", flag, err);
return err;
}
MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
return 0;
}
static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
int err;
mutex_lock(&priv->state_lock);
err = mlx5e_handle_pflag(netdev, pflags,
MLX5E_PFLAG_RX_CQE_BASED_MODER,
set_pflag_rx_cqe_based_moder);
if (err)
goto out;
err = mlx5e_handle_pflag(netdev, pflags,
MLX5E_PFLAG_TX_CQE_BASED_MODER,
set_pflag_tx_cqe_based_moder);
if (err)
goto out;
err = mlx5e_handle_pflag(netdev, pflags,
MLX5E_PFLAG_RX_CQE_COMPRESS,
set_pflag_rx_cqe_compress);
if (err)
goto out;
err = mlx5e_handle_pflag(netdev, pflags,
MLX5E_PFLAG_RX_STRIDING_RQ,
set_pflag_rx_striding_rq);
out:
mutex_unlock(&priv->state_lock);
/* Need to fix some features.. */
netdev_update_features(netdev);
return err;
}
static u32 mlx5e_get_priv_flags(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return priv->channels.params.pflags;
}
static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
int err = 0;
struct mlx5e_priv *priv = netdev_priv(dev);
switch (cmd->cmd) {
case ETHTOOL_SRXCLSRLINS:
err = mlx5e_ethtool_flow_replace(priv, &cmd->fs);
break;
case ETHTOOL_SRXCLSRLDEL:
err = mlx5e_ethtool_flow_remove(priv, cmd->fs.location);
break;
default:
err = -EOPNOTSUPP;
break;
}
return err;
}
int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
struct ethtool_flash *flash)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct net_device *dev = priv->netdev;
const struct firmware *fw;
int err;
if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
return -EOPNOTSUPP;
err = request_firmware_direct(&fw, flash->data, &dev->dev);
if (err)
return err;
dev_hold(dev);
rtnl_unlock();
err = mlx5_firmware_flash(mdev, fw);
release_firmware(fw);
rtnl_lock();
dev_put(dev);
return err;
}
static int mlx5e_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_flash_device(priv, flash);
}
const struct ethtool_ops mlx5e_ethtool_ops = {
.get_drvinfo = mlx5e_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = mlx5e_get_strings,
.get_sset_count = mlx5e_get_sset_count,
.get_ethtool_stats = mlx5e_get_ethtool_stats,
.get_ringparam = mlx5e_get_ringparam,
.set_ringparam = mlx5e_set_ringparam,
.get_channels = mlx5e_get_channels,
.set_channels = mlx5e_set_channels,
.get_coalesce = mlx5e_get_coalesce,
.set_coalesce = mlx5e_set_coalesce,
.get_link_ksettings = mlx5e_get_link_ksettings,
.set_link_ksettings = mlx5e_set_link_ksettings,
.get_rxfh_key_size = mlx5e_get_rxfh_key_size,
.get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
.get_rxfh = mlx5e_get_rxfh,
.set_rxfh = mlx5e_set_rxfh,
.get_rxnfc = mlx5e_get_rxnfc,
.set_rxnfc = mlx5e_set_rxnfc,
.flash_device = mlx5e_flash_device,
.get_tunable = mlx5e_get_tunable,
.set_tunable = mlx5e_set_tunable,
.get_pauseparam = mlx5e_get_pauseparam,
.set_pauseparam = mlx5e_set_pauseparam,
.get_ts_info = mlx5e_get_ts_info,
.set_phys_id = mlx5e_set_phys_id,
.get_wol = mlx5e_get_wol,
.set_wol = mlx5e_set_wol,
.get_module_info = mlx5e_get_module_info,
.get_module_eeprom = mlx5e_get_module_eeprom,
.get_priv_flags = mlx5e_get_priv_flags,
.set_priv_flags = mlx5e_set_priv_flags,
.self_test = mlx5e_self_test,
.get_msglevel = mlx5e_get_msglevel,
.set_msglevel = mlx5e_set_msglevel,
};