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android-kvm / linux / 0a30896fc5025e71c350449760b240fba5581b42 / . / drivers / net / ethernet / mellanox / mlx5 / core / en_ethtool.c
blob: 9d451b8ee467c7b41d784093d933cd2b4f82fb05 [file] [log] [blame]
/*
* 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"
#include "en/params.h"
#include "en/xsk/pool.h"
#include "en/ptp.h"
#include "lib/clock.h"
void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
struct ethtool_drvinfo *drvinfo)
{
struct mlx5_core_dev *mdev = priv->mdev;
strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
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, dev_name(mdev->device),
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 ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER];
static
struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER];
#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \
({ \
struct ptys2ethtool_config *cfg; \
const unsigned int modes[] = { __VA_ARGS__ }; \
unsigned int i, bit, idx; \
cfg = &ptys2##table##_ethtool_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) { \
bit = modes[i] % 64; \
idx = modes[i] / 64; \
__set_bit(bit, &cfg->supported[idx]); \
__set_bit(bit, &cfg->advertised[idx]); \
} \
})
void mlx5e_build_ptys2ethtool_map(void)
{
memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table));
memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table));
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy,
ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy,
ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy,
ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy,
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy,
ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy,
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy,
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy,
ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy,
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy,
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy,
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy,
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext,
ETHTOOL_LINK_MODE_100baseT_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext,
ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext,
ETHTOOL_LINK_MODE_5000baseT_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext,
ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseER_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext,
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext,
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
ext,
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext,
ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseDR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext,
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext,
ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext,
ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext,
ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext,
ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT);
MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext,
ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT);
}
static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
struct ptys2ethtool_config **arr,
u32 *size)
{
bool ext = mlx5e_ptys_ext_supported(mdev);
*arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
*size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
ARRAY_SIZE(ptys2legacy_ethtool_table);
}
typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
struct pflag_desc {
char name[ETH_GSTRING_LEN];
mlx5e_pflag_handler handler;
};
static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS];
int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return mlx5e_stats_total_num(priv);
case ETH_SS_PRIV_FLAGS:
return MLX5E_NUM_PFLAGS;
case ETH_SS_TEST:
return mlx5e_self_test_num(priv);
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);
}
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 < MLX5E_NUM_PFLAGS; i++)
strcpy(data + i * ETH_GSTRING_LEN,
mlx5e_priv_flags[i].name);
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_stats_fill_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 idx = 0;
mutex_lock(&priv->state_lock);
mlx5e_stats_update(priv);
mutex_unlock(&priv->state_lock);
mlx5e_stats_fill(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_params new_params;
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_params = priv->channels.params;
new_params.log_rq_mtu_frames = log_rq_size;
new_params.log_sq_size = log_sq_size;
err = mlx5e_validate_params(priv->mdev, &new_params);
if (err)
goto unlock;
err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
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)
{
mutex_lock(&priv->state_lock);
ch->max_combined = priv->max_nch;
ch->combined_count = priv->channels.params.num_channels;
if (priv->xsk.refcnt) {
/* The upper half are XSK queues. */
ch->max_combined *= 2;
ch->combined_count *= 2;
}
mutex_unlock(&priv->state_lock);
}
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)
{
struct mlx5e_params *cur_params = &priv->channels.params;
unsigned int count = ch->combined_count;
struct mlx5e_params new_params;
bool arfs_enabled;
int rss_cnt;
bool opened;
int err = 0;
if (!count) {
netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
__func__);
return -EINVAL;
}
if (cur_params->num_channels == count)
return 0;
mutex_lock(&priv->state_lock);
/* Don't allow changing the number of channels if there is an active
* XSK, because the numeration of the XSK and regular RQs will change.
*/
if (priv->xsk.refcnt) {
err = -EINVAL;
netdev_err(priv->netdev, "%s: AF_XDP is active, cannot change the number of channels\n",
__func__);
goto out;
}
/* Don't allow changing the number of channels if HTB offload is active,
* because the numeration of the QoS SQs will change, while per-queue
* qdiscs are attached.
*/
if (priv->htb.maj_id) {
err = -EINVAL;
netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n",
__func__);
goto out;
}
/* Don't allow changing the number of channels if non-default RSS contexts exist,
* the kernel doesn't protect against set_channels operations that break them.
*/
rss_cnt = mlx5e_rx_res_rss_cnt(priv->rx_res) - 1;
if (rss_cnt) {
err = -EINVAL;
netdev_err(priv->netdev, "%s: Non-default RSS contexts exist (%d), cannot change the number of channels\n",
__func__, rss_cnt);
goto out;
}
/* Don't allow changing the number of channels if MQPRIO mode channel offload is active,
* because it defines a partition over the channels queues.
*/
if (cur_params->mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
err = -EINVAL;
netdev_err(priv->netdev, "%s: MQPRIO mode channel offload is active, cannot change the number of channels\n",
__func__);
goto out;
}
new_params = *cur_params;
new_params.num_channels = count;
opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE);
if (arfs_enabled)
mlx5e_arfs_disable(priv);
/* Switch to new channels, set new parameters and close old ones */
err = mlx5e_safe_switch_params(priv, &new_params,
mlx5e_num_channels_changed_ctx, NULL, true);
if (arfs_enabled) {
int err2 = mlx5e_arfs_enable(priv);
if (err2)
netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
__func__, err2);
}
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 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 kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
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_tx_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);
}
}
}
static void
mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
struct mlx5_core_dev *mdev = priv->mdev;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
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 dim_cq_moder *rx_moder, *tx_moder;
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_params new_params;
bool reset_rx, reset_tx;
bool reset = true;
int err = 0;
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_params = priv->channels.params;
rx_moder = &new_params.rx_cq_moderation;
rx_moder->usec = coal->rx_coalesce_usecs;
rx_moder->pkts = coal->rx_max_coalesced_frames;
new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
tx_moder = &new_params.tx_cq_moderation;
tx_moder->usec = coal->tx_coalesce_usecs;
tx_moder->pkts = coal->tx_max_coalesced_frames;
new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
if (reset_rx) {
u8 mode = MLX5E_GET_PFLAG(&new_params,
MLX5E_PFLAG_RX_CQE_BASED_MODER);
mlx5e_reset_rx_moderation(&new_params, mode);
}
if (reset_tx) {
u8 mode = MLX5E_GET_PFLAG(&new_params,
MLX5E_PFLAG_TX_CQE_BASED_MODER);
mlx5e_reset_tx_moderation(&new_params, mode);
}
/* If DIM state hasn't changed, it's possible to modify interrupt
* moderation parameters on the fly, even if the channels are open.
*/
if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
if (!coal->use_adaptive_rx_coalesce)
mlx5e_set_priv_channels_rx_coalesce(priv, coal);
if (!coal->use_adaptive_tx_coalesce)
mlx5e_set_priv_channels_tx_coalesce(priv, coal);
reset = false;
}
err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset);
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_set_coalesce(priv, coal);
}
static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
unsigned long *supported_modes,
u32 eth_proto_cap)
{
unsigned long proto_cap = eth_proto_cap;
struct ptys2ethtool_config *table;
u32 max_size;
int proto;
mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
for_each_set_bit(proto, &proto_cap, max_size)
bitmap_or(supported_modes, supported_modes,
table[proto].supported,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
u32 eth_proto_cap, bool ext)
{
unsigned long proto_cap = eth_proto_cap;
struct ptys2ethtool_config *table;
u32 max_size;
int proto;
table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
ARRAY_SIZE(ptys2legacy_ethtool_table);
for_each_set_bit(proto, &proto_cap, max_size)
bitmap_or(advertising_modes, advertising_modes,
table[proto].advertised,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
static const u32 pplm_fec_2_ethtool[] = {
[MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
[MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
[MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
[MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS,
[MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS,
};
static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
{
int mode = 0;
if (!fec_mode)
return ETHTOOL_FEC_AUTO;
mode = find_first_bit(&fec_mode, size);
if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
return pplm_fec_2_ethtool[mode];
return 0;
}
#define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \
do { \
if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \
__set_bit(ethtool_fec, \
link_ksettings->link_modes.supported);\
} while (0)
static const u32 pplm_fec_2_ethtool_linkmodes[] = {
[MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT,
[MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT,
[MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
[MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
[MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
};
static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long active_fec_long;
u32 active_fec;
u32 bitn;
int err;
err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
if (err)
return (err == -EOPNOTSUPP) ? 0 : err;
MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC,
ETHTOOL_LINK_MODE_FEC_NONE_BIT);
MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE,
ETHTOOL_LINK_MODE_FEC_BASER_BIT);
MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514,
ETHTOOL_LINK_MODE_FEC_RS_BIT);
MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
active_fec_long = active_fec;
/* active fec is a bit set, find out which bit is set and
* advertise the corresponding ethtool bit
*/
bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
__set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
link_ksettings->link_modes.advertising);
return 0;
}
static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev,
struct ethtool_link_ksettings *link_ksettings,
u32 eth_proto_cap, u8 connector_type)
{
if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) {
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, bool force_legacy,
u16 data_rate_oper,
struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
u32 speed = SPEED_UNKNOWN;
u8 duplex = DUPLEX_UNKNOWN;
if (!netif_carrier_ok(netdev))
goto out;
speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
if (!speed) {
if (data_rate_oper)
speed = 100 * data_rate_oper;
else
speed = SPEED_UNKNOWN;
goto out;
}
duplex = DUPLEX_FULL;
out:
link_ksettings->base.speed = speed;
link_ksettings->base.duplex = duplex;
}
static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *supported = link_ksettings->link_modes.supported;
ptys2ethtool_supported_link(mdev, 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,
bool ext)
{
unsigned long *advertising = link_ksettings->link_modes.advertising;
ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
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(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type)
{
if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
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(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
struct ethtool_link_ksettings *link_ksettings)
{
unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
bool ext = mlx5e_ptys_ext_supported(mdev);
ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
}
int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5_core_dev *mdev = priv->mdev;
u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {};
u32 eth_proto_admin;
u8 an_disable_admin;
u16 data_rate_oper;
u32 eth_proto_oper;
u32 eth_proto_cap;
u8 connector_type;
u32 rx_pause = 0;
u32 tx_pause = 0;
u32 eth_proto_lp;
bool admin_ext;
u8 an_status;
bool ext;
int err;
err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
if (err) {
netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
__func__, err);
goto err_query_regs;
}
ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
eth_proto_capability);
eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
eth_proto_admin);
/* Fields: eth_proto_admin and ext_eth_proto_admin are
* mutually exclusive. Hence try reading legacy advertising
* when extended advertising is zero.
* admin_ext indicates which proto_admin (ext vs. legacy)
* should be read and interpreted
*/
admin_ext = ext;
if (ext && !eth_proto_admin) {
eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
eth_proto_admin);
admin_ext = false;
}
eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
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);
data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper);
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(mdev, eth_proto_cap, link_ksettings);
get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
admin_ext);
get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
data_rate_oper, link_ksettings);
eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ?
connector_type : MLX5E_PORT_UNKNOWN;
link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type);
ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin,
connector_type);
get_lp_advertising(mdev, 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);
err = get_fec_supported_advertised(mdev, link_ksettings);
if (err) {
netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
__func__, err);
err = 0; /* don't fail caps query because of FEC error */
}
if (!an_disable_admin)
ethtool_link_ksettings_add_link_mode(link_ksettings,
advertising, Autoneg);
err_query_regs:
return err;
}
static int mlx5e_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
}
static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
const unsigned long link_modes, u8 autoneg)
{
/* Extended link-mode has no speed limitations. */
if (ext)
return 0;
if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
autoneg != AUTONEG_ENABLE) {
netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
__func__);
return -EINVAL;
}
return 0;
}
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 (*ptys2legacy_ethtool_table[i].advertised == 0)
continue;
if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
link_modes,
__ETHTOOL_LINK_MODE_MASK_NBITS))
ptys_modes |= MLX5E_PROT_MASK(i);
}
return ptys_modes;
}
static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
{
u32 i, ptys_modes = 0;
unsigned long modes[2];
for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
if (ptys2ext_ethtool_table[i].advertised[0] == 0 &&
ptys2ext_ethtool_table[i].advertised[1] == 0)
continue;
memset(modes, 0, sizeof(modes));
bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
modes[1] == ptys2ext_ethtool_table[i].advertised[1])
ptys_modes |= MLX5E_PROT_MASK(i);
}
return ptys_modes;
}
static bool ext_link_mode_requested(const unsigned long *adver)
{
#define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
__ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
}
static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
{
bool ext_link_mode = ext_link_mode_requested(adver);
return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
}
int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
const struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_port_eth_proto eproto;
const unsigned long *adver;
bool an_changes = false;
u8 an_disable_admin;
bool ext_supported;
u8 an_disable_cap;
bool an_disable;
u32 link_modes;
u8 an_status;
u8 autoneg;
u32 speed;
bool ext;
int err;
u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
adver = link_ksettings->link_modes.advertising;
autoneg = link_ksettings->base.autoneg;
speed = link_ksettings->base.speed;
ext_supported = mlx5e_ptys_ext_supported(mdev);
ext = ext_requested(autoneg, adver, ext_supported);
if (!ext_supported && ext)
return -EOPNOTSUPP;
ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
mlx5e_ethtool2ptys_adver_link;
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
if (err) {
netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
__func__, err);
goto out;
}
link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
mlx5e_port_speed2linkmodes(mdev, speed, !ext);
err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
if (err)
goto out;
link_modes = link_modes & eproto.cap;
if (!link_modes) {
netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
__func__);
err = -EINVAL;
goto out;
}
mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
&an_disable_admin);
an_disable = autoneg == AUTONEG_DISABLE;
an_changes = ((!an_disable && an_disable_admin) ||
(an_disable && !an_disable_admin));
if (!an_changes && link_modes == eproto.admin)
goto out;
mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
mlx5_toggle_port_link(mdev);
out:
return err;
}
static int mlx5e_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *link_ksettings)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
}
u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
{
return sizeof_field(struct mlx5e_rss_params_hash, toeplitz_hash_key);
}
static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_rxfh_key_size(priv);
}
u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
{
return MLX5E_INDIR_RQT_SIZE;
}
static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_get_rxfh_indir_size(priv);
}
static int mlx5e_get_rxfh_context(struct net_device *dev, u32 *indir,
u8 *key, u8 *hfunc, u32 rss_context)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int err;
mutex_lock(&priv->state_lock);
err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, indir, key, hfunc);
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_set_rxfh_context(struct net_device *dev, const u32 *indir,
const u8 *key, const u8 hfunc,
u32 *rss_context, bool delete)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int err;
mutex_lock(&priv->state_lock);
if (delete) {
err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context);
goto unlock;
}
if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
unsigned int count = priv->channels.params.num_channels;
err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count);
if (err)
goto unlock;
}
err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, indir, key,
hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc);
unlock:
mutex_unlock(&priv->state_lock);
return err;
}
int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
u8 *hfunc)
{
return mlx5e_get_rxfh_context(netdev, indir, key, hfunc, 0);
}
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 err;
mutex_lock(&priv->state_lock);
err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, 0, indir, key,
hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc);
mutex_unlock(&priv->state_lock);
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_pause_stats(struct net_device *netdev,
struct ethtool_pause_stats *pause_stats)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_pause_get(priv, pause_stats);
}
void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
struct ethtool_pauseparam *pauseparam)
{
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(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
__func__, err);
}
}
static void mlx5e_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pauseparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_ethtool_get_pauseparam(priv, pauseparam);
}
int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
struct ethtool_pauseparam *pauseparam)
{
struct mlx5_core_dev *mdev = priv->mdev;
int err;
if (!MLX5_CAP_GEN(mdev, vport_group_manager))
return -EOPNOTSUPP;
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(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
__func__, err);
}
return err;
}
static int mlx5e_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pauseparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
}
int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
struct ethtool_ts_info *info)
{
struct mlx5_core_dev *mdev = priv->mdev;
info->phc_index = mlx5_clock_get_ptp_index(mdev);
if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
info->phc_index == -1)
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_reformat_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_reformat_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_reformat_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_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
return mlx5_set_port_wol(mdev, mlx5_wol_mode);
}
static void mlx5e_get_fec_stats(struct net_device *netdev,
struct ethtool_fec_stats *fec_stats)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_fec_get(priv, fec_stats);
}
static int mlx5e_get_fecparam(struct net_device *netdev,
struct ethtool_fecparam *fecparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u16 fec_configured;
u32 fec_active;
int err;
err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
if (err)
return err;
fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
sizeof(unsigned long) * BITS_PER_BYTE);
if (!fecparam->active_fec)
return -EOPNOTSUPP;
fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
sizeof(unsigned long) * BITS_PER_BYTE);
return 0;
}
static int mlx5e_set_fecparam(struct net_device *netdev,
struct ethtool_fecparam *fecparam)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
unsigned long fec_bitmap;
u16 fec_policy = 0;
int mode;
int err;
bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE);
if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1)
return -EOPNOTSUPP;
for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
continue;
fec_policy |= (1 << mode);
break;
}
err = mlx5e_set_fec_mode(mdev, fec_policy);
if (err)
return err;
mlx5_toggle_port_link(mdev);
return 0;
}
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] = {0};
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_MAX_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_MAX_LEN;
} else {
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_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;
}
static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev,
const struct ethtool_module_eeprom *page_data,
struct netlink_ext_ack *extack)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_module_eeprom_query_params query;
struct mlx5_core_dev *mdev = priv->mdev;
u8 *data = page_data->data;
int size_read;
int i = 0;
if (!page_data->length)
return -EINVAL;
memset(data, 0, page_data->length);
query.offset = page_data->offset;
query.i2c_address = page_data->i2c_address;
query.bank = page_data->bank;
query.page = page_data->page;
while (i < page_data->length) {
query.size = page_data->length - i;
size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i);
/* Done reading, return how many bytes was read */
if (!size_read)
return i;
if (size_read == -EINVAL)
return -EINVAL;
if (size_read < 0) {
netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n",
__func__, size_read);
return i;
}
i += size_read;
query.offset += size_read;
}
return i;
}
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, NULL);
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);
}
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_params new_params;
bool mode_changed;
u8 cq_period_mode, current_cq_period_mode;
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_params = priv->channels.params;
if (is_rx_cq)
mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode);
else
mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode);
return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
}
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 rx_filter)
{
bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
struct mlx5e_params new_params;
int err = 0;
if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
return new_val ? -EOPNOTSUPP : 0;
if (curr_val == new_val)
return 0;
if (new_val && !priv->profile->rx_ptp_support && rx_filter) {
netdev_err(priv->netdev,
"Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n");
return -EINVAL;
}
new_params = priv->channels.params;
MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
if (rx_filter)
new_params.ptp_rx = new_val;
if (new_params.ptp_rx == priv->channels.params.ptp_rx)
err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
else
err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx,
&new_params.ptp_rx, true);
if (err)
return err;
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;
bool rx_filter;
int err;
if (!MLX5_CAP_GEN(mdev, cqe_compression))
return -EOPNOTSUPP;
rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE;
err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter);
if (err)
return err;
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_params new_params;
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_params = priv->channels.params;
MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
mlx5e_set_rq_type(mdev, &new_params);
return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
}
static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_channels *channels = &priv->channels;
struct mlx5e_channel *c;
int i;
if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
priv->channels.params.xdp_prog)
return 0;
for (i = 0; i < channels->num; i++) {
c = channels->c[i];
if (enable)
__set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
else
__clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
}
return 0;
}
static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_params new_params;
if (enable && !mlx5e_tx_mpwqe_supported(mdev))
return -EOPNOTSUPP;
new_params = priv->channels.params;
MLX5E_SET_PFLAG(&new_params, flag, enable);
return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
}
static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
{
return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
}
static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable)
{
return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable);
}
static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_params new_params;
int err;
if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn))
return -EOPNOTSUPP;
/* Don't allow changing the PTP state if HTB offload is active, because
* the numeration of the QoS SQs will change, while per-queue qdiscs are
* attached.
*/
if (priv->htb.maj_id) {
netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n",
__func__);
return -EINVAL;
}
new_params = priv->channels.params;
/* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is
* active, since it defines explicitly which TC accepts the packet.
* This conflicts with TX-port-TS hijacking the PTP traffic to a specific
* HW TX-queue.
*/
if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
netdev_err(priv->netdev,
"%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n",
__func__);
return -EINVAL;
}
MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable);
/* No need to verify SQ stop room as
* ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both
* has the same log_sq_size.
*/
err = mlx5e_safe_switch_params(priv, &new_params,
mlx5e_num_channels_changed_ctx, NULL, true);
if (!err)
priv->tx_ptp_opened = true;
return err;
}
static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
{ "rx_cqe_moder", set_pflag_rx_cqe_based_moder },
{ "tx_cqe_moder", set_pflag_tx_cqe_based_moder },
{ "rx_cqe_compress", set_pflag_rx_cqe_compress },
{ "rx_striding_rq", set_pflag_rx_striding_rq },
{ "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
{ "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe },
{ "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe },
{ "tx_port_ts", set_pflag_tx_port_ts },
};
static int mlx5e_handle_pflag(struct net_device *netdev,
u32 wanted_flags,
enum mlx5e_priv_flag flag)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
bool enable = !!(wanted_flags & BIT(flag));
u32 changes = wanted_flags ^ priv->channels.params.pflags;
int err;
if (!(changes & BIT(flag)))
return 0;
err = mlx5e_priv_flags[flag].handler(netdev, enable);
if (err) {
netdev_err(netdev, "%s private flag '%s' failed err %d\n",
enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, 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);
enum mlx5e_priv_flag pflag;
int err;
mutex_lock(&priv->state_lock);
for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
err = mlx5e_handle_pflag(netdev, pflags, pflag);
if (err)
break;
}
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;
}
int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
u32 *rule_locs)
{
struct mlx5e_priv *priv = netdev_priv(dev);
/* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
* of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
* to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
* is compiled out via CONFIG_MLX5_EN_RXNFC=n.
*/
if (info->cmd == ETHTOOL_GRXRINGS) {
info->data = priv->channels.params.num_channels;
return 0;
}
return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs);
}
int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
return mlx5e_ethtool_set_rxnfc(dev, cmd);
}
static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode)
{
struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page;
u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {};
u32 out[MLX5_ST_SZ_DW(pddr_reg)];
int err;
MLX5_SET(pddr_reg, in, local_port, 1);
MLX5_SET(pddr_reg, in, page_select,
MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE);
pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data);
MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page,
group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR);
err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
sizeof(out), MLX5_REG_PDDR, 0, 0);
if (err)
return err;
pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data);
*status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page,
status_opcode);
return 0;
}
struct mlx5e_ethtool_link_ext_state_opcode_mapping {
u32 status_opcode;
enum ethtool_link_ext_state link_ext_state;
u8 link_ext_substate;
};
static const struct mlx5e_ethtool_link_ext_state_opcode_mapping
mlx5e_link_ext_state_opcode_map[] = {
/* States relating to the autonegotiation or issues therein */
{2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED},
{3, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
{4, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED},
{36, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE},
{38, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE},
{39, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
/* Failure during link training */
{5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED},
{6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
{7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
{8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0},
{14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
/* Logical mismatch in physical coding sublayer or forward error correction sublayer */
{9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
{10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK},
{11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS},
{12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
{13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
/* Signal integrity issues */
{15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0},
{17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
{42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE},
/* No cable connected */
{1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
/* Failure is related to cable, e.g., unsupported cable */
{16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0},
/* Failure is related to EEPROM, e.g., failure during reading or parsing the data */
{1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
/* Failure during calibration algorithm */
{23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0},
/* The hardware is not able to provide the power required from cable or module */
{1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0},
/* The module is overheated */
{1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0},
};
static void
mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping
link_ext_state_mapping,
struct ethtool_link_ext_state_info *link_ext_state_info)
{
switch (link_ext_state_mapping.link_ext_state) {
case ETHTOOL_LINK_EXT_STATE_AUTONEG:
link_ext_state_info->autoneg =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE:
link_ext_state_info->link_training =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH:
link_ext_state_info->link_logical_mismatch =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY:
link_ext_state_info->bad_signal_integrity =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE:
link_ext_state_info->cable_issue =
link_ext_state_mapping.link_ext_substate;
break;
default:
break;
}
link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state;
}
static int
mlx5e_get_link_ext_state(struct net_device *dev,
struct ethtool_link_ext_state_info *link_ext_state_info)
{
struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping;
struct mlx5e_priv *priv = netdev_priv(dev);
u32 status_opcode = 0;
int i;
/* Exit without data if the interface state is OK, since no extended data is
* available in such case
*/
if (netif_carrier_ok(dev))
return -ENODATA;
if (query_port_status_opcode(priv->mdev, &status_opcode) ||
!status_opcode)
return -ENODATA;
for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) {
link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i];
if (link_ext_state_mapping.status_opcode == status_opcode) {
mlx5e_set_link_ext_state(link_ext_state_mapping,
link_ext_state_info);
return 0;
}
}
return -ENODATA;
}
static void mlx5e_get_eth_phy_stats(struct net_device *netdev,
struct ethtool_eth_phy_stats *phy_stats)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_eth_phy_get(priv, phy_stats);
}
static void mlx5e_get_eth_mac_stats(struct net_device *netdev,
struct ethtool_eth_mac_stats *mac_stats)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_eth_mac_get(priv, mac_stats);
}
static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev,
struct ethtool_eth_ctrl_stats *ctrl_stats)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_eth_ctrl_get(priv, ctrl_stats);
}
static void mlx5e_get_rmon_stats(struct net_device *netdev,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
mlx5e_stats_rmon_get(priv, rmon_stats, ranges);
}
const struct ethtool_ops mlx5e_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USE_ADAPTIVE,
.get_drvinfo = mlx5e_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ext_state = mlx5e_get_link_ext_state,
.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_rxfh_context = mlx5e_get_rxfh_context,
.set_rxfh_context = mlx5e_set_rxfh_context,
.get_rxnfc = mlx5e_get_rxnfc,
.set_rxnfc = mlx5e_set_rxnfc,
.get_tunable = mlx5e_get_tunable,
.set_tunable = mlx5e_set_tunable,
.get_pause_stats = mlx5e_get_pause_stats,
.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_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page,
.flash_device = mlx5e_flash_device,
.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,
.get_fec_stats = mlx5e_get_fec_stats,
.get_fecparam = mlx5e_get_fecparam,
.set_fecparam = mlx5e_set_fecparam,
.get_eth_phy_stats = mlx5e_get_eth_phy_stats,
.get_eth_mac_stats = mlx5e_get_eth_mac_stats,
.get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats,
.get_rmon_stats = mlx5e_get_rmon_stats,
};