/*
* 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"
static void mlx5e_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5_core_dev *mdev = priv->mdev;
strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
strlcpy(drvinfo->version, DRIVER_VERSION " (" DRIVER_RELDATE ")",
sizeof(drvinfo->version));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%d",
fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev));
strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
sizeof(drvinfo->bus_info));
}
static const struct {
u32 supported;
u32 advertised;
u32 speed;
} ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER] = {
[MLX5E_1000BASE_CX_SGMII] = {
.supported = SUPPORTED_1000baseKX_Full,
.advertised = ADVERTISED_1000baseKX_Full,
.speed = 1000,
},
[MLX5E_1000BASE_KX] = {
.supported = SUPPORTED_1000baseKX_Full,
.advertised = ADVERTISED_1000baseKX_Full,
.speed = 1000,
},
[MLX5E_10GBASE_CX4] = {
.supported = SUPPORTED_10000baseKX4_Full,
.advertised = ADVERTISED_10000baseKX4_Full,
.speed = 10000,
},
[MLX5E_10GBASE_KX4] = {
.supported = SUPPORTED_10000baseKX4_Full,
.advertised = ADVERTISED_10000baseKX4_Full,
.speed = 10000,
},
[MLX5E_10GBASE_KR] = {
.supported = SUPPORTED_10000baseKR_Full,
.advertised = ADVERTISED_10000baseKR_Full,
.speed = 10000,
},
[MLX5E_20GBASE_KR2] = {
.supported = SUPPORTED_20000baseKR2_Full,
.advertised = ADVERTISED_20000baseKR2_Full,
.speed = 20000,
},
[MLX5E_40GBASE_CR4] = {
.supported = SUPPORTED_40000baseCR4_Full,
.advertised = ADVERTISED_40000baseCR4_Full,
.speed = 40000,
},
[MLX5E_40GBASE_KR4] = {
.supported = SUPPORTED_40000baseKR4_Full,
.advertised = ADVERTISED_40000baseKR4_Full,
.speed = 40000,
},
[MLX5E_56GBASE_R4] = {
.supported = SUPPORTED_56000baseKR4_Full,
.advertised = ADVERTISED_56000baseKR4_Full,
.speed = 56000,
},
[MLX5E_10GBASE_CR] = {
.supported = SUPPORTED_10000baseKR_Full,
.advertised = ADVERTISED_10000baseKR_Full,
.speed = 10000,
},
[MLX5E_10GBASE_SR] = {
.supported = SUPPORTED_10000baseKR_Full,
.advertised = ADVERTISED_10000baseKR_Full,
.speed = 10000,
},
[MLX5E_10GBASE_ER] = {
.supported = SUPPORTED_10000baseKR_Full,
.advertised = ADVERTISED_10000baseKR_Full,
.speed = 10000,
},
[MLX5E_40GBASE_SR4] = {
.supported = SUPPORTED_40000baseSR4_Full,
.advertised = ADVERTISED_40000baseSR4_Full,
.speed = 40000,
},
[MLX5E_40GBASE_LR4] = {
.supported = SUPPORTED_40000baseLR4_Full,
.advertised = ADVERTISED_40000baseLR4_Full,
.speed = 40000,
},
[MLX5E_100GBASE_CR4] = {
.speed = 100000,
},
[MLX5E_100GBASE_SR4] = {
.speed = 100000,
},
[MLX5E_100GBASE_KR4] = {
.speed = 100000,
},
[MLX5E_100GBASE_LR4] = {
.speed = 100000,
},
[MLX5E_100BASE_TX] = {
.speed = 100,
},
[MLX5E_1000BASE_T] = {
.supported = SUPPORTED_1000baseT_Full,
.advertised = ADVERTISED_1000baseT_Full,
.speed = 1000,
},
[MLX5E_10GBASE_T] = {
.supported = SUPPORTED_10000baseT_Full,
.advertised = ADVERTISED_10000baseT_Full,
.speed = 1000,
},
[MLX5E_25GBASE_CR] = {
.speed = 25000,
},
[MLX5E_25GBASE_KR] = {
.speed = 25000,
},
[MLX5E_25GBASE_SR] = {
.speed = 25000,
},
[MLX5E_50GBASE_CR2] = {
.speed = 50000,
},
[MLX5E_50GBASE_KR2] = {
.speed = 50000,
},
};
static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
u8 pfc_en_tx;
u8 pfc_en_rx;
int err;
err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx);
return err ? 0 : pfc_en_tx | pfc_en_rx;
}
#define MLX5E_NUM_Q_CNTRS(priv) (NUM_Q_COUNTERS * (!!priv->q_counter))
#define MLX5E_NUM_RQ_STATS(priv) \
(NUM_RQ_STATS * priv->params.num_channels * \
test_bit(MLX5E_STATE_OPENED, &priv->state))
#define MLX5E_NUM_SQ_STATS(priv) \
(NUM_SQ_STATS * priv->params.num_channels * priv->params.num_tc * \
test_bit(MLX5E_STATE_OPENED, &priv->state))
#define MLX5E_NUM_PFC_COUNTERS(priv) hweight8(mlx5e_query_pfc_combined(priv))
static int mlx5e_get_sset_count(struct net_device *dev, int sset)
{
struct mlx5e_priv *priv = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return NUM_SW_COUNTERS +
MLX5E_NUM_Q_CNTRS(priv) +
NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS +
MLX5E_NUM_RQ_STATS(priv) +
MLX5E_NUM_SQ_STATS(priv) +
MLX5E_NUM_PFC_COUNTERS(priv);
case ETH_SS_PRIV_FLAGS:
return ARRAY_SIZE(mlx5e_priv_flags);
/* fallthrough */
default:
return -EOPNOTSUPP;
}
}
static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
{
int i, j, tc, prio, idx = 0;
unsigned long pfc_combined;
/* SW counters */
for (i = 0; i < NUM_SW_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_stats_desc[i].name);
/* Q counters */
for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN, q_stats_desc[i].name);
/* VPORT counters */
for (i = 0; i < NUM_VPORT_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
vport_stats_desc[i].name);
/* PPORT counters */
for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
pport_802_3_stats_desc[i].name);
for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
pport_2863_stats_desc[i].name);
for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
pport_2819_stats_desc[i].name);
for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
sprintf(data + (idx++) * ETH_GSTRING_LEN, "prio%d_%s",
prio,
pport_per_prio_traffic_stats_desc[i].name);
}
pfc_combined = mlx5e_query_pfc_combined(priv);
for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
sprintf(data + (idx++) * ETH_GSTRING_LEN, "prio%d_%s",
prio, pport_per_prio_pfc_stats_desc[i].name);
}
}
if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
return;
/* per channel counters */
for (i = 0; i < priv->params.num_channels; i++)
for (j = 0; j < NUM_RQ_STATS; j++)
sprintf(data + (idx++) * ETH_GSTRING_LEN, "rx%d_%s", i,
rq_stats_desc[j].name);
for (tc = 0; tc < priv->params.num_tc; tc++)
for (i = 0; i < priv->params.num_channels; i++)
for (j = 0; j < NUM_SQ_STATS; j++)
sprintf(data + (idx++) * ETH_GSTRING_LEN,
"tx%d_%s",
priv->channeltc_to_txq_map[i][tc],
sq_stats_desc[j].name);
}
static void mlx5e_get_strings(struct net_device *dev,
uint32_t stringset, uint8_t *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
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:
break;
case ETH_SS_STATS:
mlx5e_fill_stats_strings(priv, data);
break;
}
}
static void mlx5e_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int i, j, tc, prio, idx = 0;
unsigned long pfc_combined;
if (!data)
return;
mutex_lock(&priv->state_lock);
if (test_bit(MLX5E_STATE_OPENED, &priv->state))
mlx5e_update_stats(priv);
mutex_unlock(&priv->state_lock);
for (i = 0; i < NUM_SW_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
sw_stats_desc, i);
for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++)
data[idx++] = MLX5E_READ_CTR32_CPU(&priv->stats.qcnt,
q_stats_desc, i);
for (i = 0; i < NUM_VPORT_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out,
vport_stats_desc, i);
for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.IEEE_802_3_counters,
pport_802_3_stats_desc, i);
for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters,
pport_2863_stats_desc, i);
for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters,
pport_2819_stats_desc, i);
for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
pport_per_prio_traffic_stats_desc, i);
}
pfc_combined = mlx5e_query_pfc_combined(priv);
for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) {
for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio],
pport_per_prio_pfc_stats_desc, i);
}
}
if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
return;
/* per channel counters */
for (i = 0; i < priv->params.num_channels; i++)
for (j = 0; j < NUM_RQ_STATS; j++)
data[idx++] =
MLX5E_READ_CTR64_CPU(&priv->channel[i]->rq.stats,
rq_stats_desc, j);
for (tc = 0; tc < priv->params.num_tc; tc++)
for (i = 0; i < priv->params.num_channels; i++)
for (j = 0; j < NUM_SQ_STATS; j++)
data[idx++] = MLX5E_READ_CTR64_CPU(&priv->channel[i]->sq[tc].stats,
sq_stats_desc, j);
}
static void mlx5e_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int rq_wq_type = priv->params.rq_wq_type;
param->rx_max_pending = 1 << mlx5_max_log_rq_size(rq_wq_type);
param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
param->rx_pending = 1 << priv->params.log_rq_size;
param->tx_pending = 1 << priv->params.log_sq_size;
}
static int mlx5e_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
bool was_opened;
int rq_wq_type = priv->params.rq_wq_type;
u16 min_rx_wqes;
u8 log_rq_size;
u8 log_sq_size;
int err = 0;
if (param->rx_jumbo_pending) {
netdev_info(dev, "%s: rx_jumbo_pending not supported\n",
__func__);
return -EINVAL;
}
if (param->rx_mini_pending) {
netdev_info(dev, "%s: rx_mini_pending not supported\n",
__func__);
return -EINVAL;
}
if (param->rx_pending < (1 << mlx5_min_log_rq_size(rq_wq_type))) {
netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
__func__, param->rx_pending,
1 << mlx5_min_log_rq_size(rq_wq_type));
return -EINVAL;
}
if (param->rx_pending > (1 << mlx5_max_log_rq_size(rq_wq_type))) {
netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
__func__, param->rx_pending,
1 << mlx5_max_log_rq_size(rq_wq_type));
return -EINVAL;
}
if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n",
__func__, param->tx_pending,
1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
return -EINVAL;
}
if (param->tx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE)) {
netdev_info(dev, "%s: tx_pending (%d) > max (%d)\n",
__func__, param->tx_pending,
1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE);
return -EINVAL;
}
log_rq_size = order_base_2(param->rx_pending);
log_sq_size = order_base_2(param->tx_pending);
min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, param->rx_pending);
if (log_rq_size == priv->params.log_rq_size &&
log_sq_size == priv->params.log_sq_size &&
min_rx_wqes == priv->params.min_rx_wqes)
return 0;
mutex_lock(&priv->state_lock);
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened)
mlx5e_close_locked(dev);
priv->params.log_rq_size = log_rq_size;
priv->params.log_sq_size = log_sq_size;
priv->params.min_rx_wqes = min_rx_wqes;
if (was_opened)
err = mlx5e_open_locked(dev);
mutex_unlock(&priv->state_lock);
return err;
}
static void mlx5e_get_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
ch->max_combined = mlx5e_get_max_num_channels(priv->mdev);
ch->combined_count = priv->params.num_channels;
}
static int mlx5e_set_channels(struct net_device *dev,
struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int ncv = mlx5e_get_max_num_channels(priv->mdev);
unsigned int count = ch->combined_count;
bool arfs_enabled;
bool was_opened;
int err = 0;
if (!count) {
netdev_info(dev, "%s: combined_count=0 not supported\n",
__func__);
return -EINVAL;
}
if (ch->rx_count || ch->tx_count) {
netdev_info(dev, "%s: separate rx/tx count not supported\n",
__func__);
return -EINVAL;
}
if (count > ncv) {
netdev_info(dev, "%s: count (%d) > max (%d)\n",
__func__, count, ncv);
return -EINVAL;
}
if (priv->params.num_channels == count)
return 0;
mutex_lock(&priv->state_lock);
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened)
mlx5e_close_locked(dev);
arfs_enabled = dev->features & NETIF_F_NTUPLE;
if (arfs_enabled)
mlx5e_arfs_disable(priv);
priv->params.num_channels = count;
mlx5e_build_default_indir_rqt(priv->mdev, priv->params.indirection_rqt,
MLX5E_INDIR_RQT_SIZE, count);
if (was_opened)
err = mlx5e_open_locked(dev);
if (err)
goto out;
if (arfs_enabled) {
err = mlx5e_arfs_enable(priv);
if (err)
netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n",
__func__, err);
}
out:
mutex_unlock(&priv->state_lock);
return err;
}
static int mlx5e_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
return -ENOTSUPP;
coal->rx_coalesce_usecs = priv->params.rx_cq_moderation.usec;
coal->rx_max_coalesced_frames = priv->params.rx_cq_moderation.pkts;
coal->tx_coalesce_usecs = priv->params.tx_cq_moderation.usec;
coal->tx_max_coalesced_frames = priv->params.tx_cq_moderation.pkts;
coal->use_adaptive_rx_coalesce = priv->params.rx_am_enabled;
return 0;
}
static int mlx5e_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coal)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channel *c;
bool restart =
!!coal->use_adaptive_rx_coalesce != priv->params.rx_am_enabled;
bool was_opened;
int err = 0;
int tc;
int i;
if (!MLX5_CAP_GEN(mdev, cq_moderation))
return -ENOTSUPP;
mutex_lock(&priv->state_lock);
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened && restart) {
mlx5e_close_locked(netdev);
priv->params.rx_am_enabled = !!coal->use_adaptive_rx_coalesce;
}
priv->params.tx_cq_moderation.usec = coal->tx_coalesce_usecs;
priv->params.tx_cq_moderation.pkts = coal->tx_max_coalesced_frames;
priv->params.rx_cq_moderation.usec = coal->rx_coalesce_usecs;
priv->params.rx_cq_moderation.pkts = coal->rx_max_coalesced_frames;
if (!was_opened || restart)
goto out;
for (i = 0; i < priv->params.num_channels; ++i) {
c = priv->channel[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);
}
out:
if (was_opened && restart)
err = mlx5e_open_locked(netdev);
mutex_unlock(&priv->state_lock);
return err;
}
static u32 ptys2ethtool_supported_link(u32 eth_proto_cap)
{
int i;
u32 supported_modes = 0;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (eth_proto_cap & MLX5E_PROT_MASK(i))
supported_modes |= ptys2ethtool_table[i].supported;
}
return supported_modes;
}
static u32 ptys2ethtool_adver_link(u32 eth_proto_cap)
{
int i;
u32 advertising_modes = 0;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (eth_proto_cap & MLX5E_PROT_MASK(i))
advertising_modes |= ptys2ethtool_table[i].advertised;
}
return advertising_modes;
}
static u32 ptys2ethtool_supported_port(u32 eth_proto_cap)
{
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))) {
return SUPPORTED_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))) {
return SUPPORTED_Backplane;
}
return 0;
}
int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
{
u32 max_speed = 0;
u32 proto_cap;
int err;
int i;
err = mlx5_query_port_proto_cap(mdev, &proto_cap, MLX5_PTYS_EN);
if (err)
return err;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i)
if (proto_cap & MLX5E_PROT_MASK(i))
max_speed = max(max_speed, ptys2ethtool_table[i].speed);
*speed = max_speed;
return 0;
}
static void get_speed_duplex(struct net_device *netdev,
u32 eth_proto_oper,
struct ethtool_cmd *cmd)
{
int i;
u32 speed = SPEED_UNKNOWN;
u8 duplex = DUPLEX_UNKNOWN;
if (!netif_carrier_ok(netdev))
goto out;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (eth_proto_oper & MLX5E_PROT_MASK(i)) {
speed = ptys2ethtool_table[i].speed;
duplex = DUPLEX_FULL;
break;
}
}
out:
ethtool_cmd_speed_set(cmd, speed);
cmd->duplex = duplex;
}
static void get_supported(u32 eth_proto_cap, u32 *supported)
{
*supported |= ptys2ethtool_supported_port(eth_proto_cap);
*supported |= ptys2ethtool_supported_link(eth_proto_cap);
*supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
}
static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
u8 rx_pause, u32 *advertising)
{
*advertising |= ptys2ethtool_adver_link(eth_proto_cap);
*advertising |= tx_pause ? ADVERTISED_Pause : 0;
*advertising |= (tx_pause ^ rx_pause) ? ADVERTISED_Asym_Pause : 0;
}
static u8 get_connector_port(u32 eth_proto)
{
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, u32 *lp_advertising)
{
*lp_advertising = ptys2ethtool_adver_link(eth_proto_lp);
}
static int mlx5e_get_settings(struct net_device *netdev,
struct ethtool_cmd *cmd)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u32 out[MLX5_ST_SZ_DW(ptys_reg)];
u32 eth_proto_cap;
u32 eth_proto_admin;
u32 eth_proto_lp;
u32 eth_proto_oper;
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);
cmd->supported = 0;
cmd->advertising = 0;
get_supported(eth_proto_cap, &cmd->supported);
get_advertising(eth_proto_admin, 0, 0, &cmd->advertising);
get_speed_duplex(netdev, eth_proto_oper, cmd);
eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
cmd->port = get_connector_port(eth_proto_oper);
get_lp_advertising(eth_proto_lp, &cmd->lp_advertising);
cmd->transceiver = XCVR_INTERNAL;
err_query_ptys:
return err;
}
static u32 mlx5e_ethtool2ptys_adver_link(u32 link_modes)
{
u32 i, ptys_modes = 0;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (ptys2ethtool_table[i].advertised & link_modes)
ptys_modes |= MLX5E_PROT_MASK(i);
}
return ptys_modes;
}
static u32 mlx5e_ethtool2ptys_speed_link(u32 speed)
{
u32 i, speed_links = 0;
for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
if (ptys2ethtool_table[i].speed == speed)
speed_links |= MLX5E_PROT_MASK(i);
}
return speed_links;
}
static int mlx5e_set_settings(struct net_device *netdev,
struct ethtool_cmd *cmd)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u32 link_modes;
u32 speed;
u32 eth_proto_cap, eth_proto_admin;
enum mlx5_port_status ps;
int err;
speed = ethtool_cmd_speed(cmd);
link_modes = cmd->autoneg == AUTONEG_ENABLE ?
mlx5e_ethtool2ptys_adver_link(cmd->advertising) :
mlx5e_ethtool2ptys_speed_link(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;
}
if (link_modes == eth_proto_admin)
goto out;
mlx5_query_port_admin_status(mdev, &ps);
if (ps == MLX5_PORT_UP)
mlx5_set_port_admin_status(mdev, MLX5_PORT_DOWN);
mlx5_set_port_proto(mdev, link_modes, MLX5_PTYS_EN);
if (ps == MLX5_PORT_UP)
mlx5_set_port_admin_status(mdev, MLX5_PORT_UP);
out:
return err;
}
static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return sizeof(priv->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->params.indirection_rqt,
sizeof(priv->params.indirection_rqt));
if (key)
memcpy(key, priv->params.toeplitz_hash_key,
sizeof(priv->params.toeplitz_hash_key));
if (hfunc)
*hfunc = priv->params.rss_hfunc;
return 0;
}
static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
{
struct mlx5_core_dev *mdev = priv->mdev;
void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
int i;
MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
mlx5e_build_tir_ctx_hash(tirc, priv);
for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++)
mlx5_core_modify_tir(mdev, priv->indir_tirn[i], 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);
void *in;
if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
(hfunc != ETH_RSS_HASH_XOR) &&
(hfunc != ETH_RSS_HASH_TOP))
return -EINVAL;
in = mlx5_vzalloc(inlen);
if (!in)
return -ENOMEM;
mutex_lock(&priv->state_lock);
if (indir) {
u32 rqtn = priv->indir_rqtn;
memcpy(priv->params.indirection_rqt, indir,
sizeof(priv->params.indirection_rqt));
mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0);
}
if (key)
memcpy(priv->params.toeplitz_hash_key, key,
sizeof(priv->params.toeplitz_hash_key));
if (hfunc != ETH_RSS_HASH_NO_CHANGE)
priv->params.rss_hfunc = hfunc;
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->params.num_channels;
break;
default:
err = -EOPNOTSUPP;
break;
}
return err;
}
static int mlx5e_get_tunable(struct net_device *dev,
const struct ethtool_tunable *tuna,
void *data)
{
const struct mlx5e_priv *priv = netdev_priv(dev);
int err = 0;
switch (tuna->id) {
case ETHTOOL_TX_COPYBREAK:
*(u32 *)data = priv->params.tx_max_inline;
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);
struct mlx5_core_dev *mdev = priv->mdev;
bool was_opened;
u32 val;
int err = 0;
switch (tuna->id) {
case ETHTOOL_TX_COPYBREAK:
val = *(u32 *)data;
if (val > mlx5e_get_max_inline_cap(mdev)) {
err = -EINVAL;
break;
}
mutex_lock(&priv->state_lock);
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened)
mlx5e_close_locked(dev);
priv->params.tx_max_inline = val;
if (was_opened)
err = mlx5e_open_locked(dev);
mutex_unlock(&priv->state_lock);
break;
default:
err = -EINVAL;
break;
}
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;
}
static int mlx5e_get_ts_info(struct net_device *dev,
struct ethtool_ts_info *info)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int ret;
ret = ethtool_op_get_ts_info(dev, info);
if (ret)
return ret;
info->phc_index = priv->tstamp.ptp ?
ptp_clock_index(priv->tstamp.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(1) << HWTSTAMP_TX_OFF) |
(BIT(1) << HWTSTAMP_TX_ON);
info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) |
(BIT(1) << HWTSTAMP_FILTER_ALL);
return 0;
}
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 -ENOTSUPP;
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 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_rx_cqe_based_moder(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
bool rx_mode_changed;
u8 rx_cq_period_mode;
int err = 0;
bool reset;
rx_cq_period_mode = enable ?
MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
rx_mode_changed = rx_cq_period_mode != priv->params.rx_cq_period_mode;
if (rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
!MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
return -ENOTSUPP;
if (!rx_mode_changed)
return 0;
reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (reset)
mlx5e_close_locked(netdev);
mlx5e_set_rx_cq_mode_params(&priv->params, rx_cq_period_mode);
if (reset)
err = mlx5e_open_locked(netdev);
return err;
}
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->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_PRIV_FLAG(priv, 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);
mutex_unlock(&priv->state_lock);
return err ? -EINVAL : 0;
}
static u32 mlx5e_get_priv_flags(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
return priv->pflags;
}
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_settings = mlx5e_get_settings,
.set_settings = mlx5e_set_settings,
.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,
.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
};
