/*
* 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_100BASE_T] = {
.supported = SUPPORTED_100baseT_Full,
.advertised = ADVERTISED_100baseT_Full,
.speed = 100,
},
[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 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_VPORT_COUNTERS + NUM_PPORT_COUNTERS +
priv->params.num_channels * NUM_RQ_STATS +
priv->params.num_channels * priv->params.num_tc *
NUM_SQ_STATS;
/* fallthrough */
default:
return -EOPNOTSUPP;
}
}
static void mlx5e_get_strings(struct net_device *dev,
uint32_t stringset, uint8_t *data)
{
int i, j, tc, idx = 0;
struct mlx5e_priv *priv = netdev_priv(dev);
switch (stringset) {
case ETH_SS_PRIV_FLAGS:
break;
case ETH_SS_TEST:
break;
case ETH_SS_STATS:
/* VPORT counters */
for (i = 0; i < NUM_VPORT_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
vport_strings[i]);
/* PPORT counters */
for (i = 0; i < NUM_PPORT_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
pport_strings[i]);
/* 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_strings[j]);
for (i = 0; i < priv->params.num_channels; i++)
for (tc = 0; tc < priv->params.num_tc; tc++)
for (j = 0; j < NUM_SQ_STATS; j++)
sprintf(data +
(idx++) * ETH_GSTRING_LEN,
"tx%d_%d_%s", i, tc,
sq_stats_strings[j]);
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, idx = 0;
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_VPORT_COUNTERS; i++)
data[idx++] = ((u64 *)&priv->stats.vport)[i];
for (i = 0; i < NUM_PPORT_COUNTERS; i++)
data[idx++] = be64_to_cpu(((__be64 *)&priv->stats.pport)[i]);
/* per channel counters */
for (i = 0; i < priv->params.num_channels; i++)
for (j = 0; j < NUM_RQ_STATS; j++)
data[idx++] = !test_bit(MLX5E_STATE_OPENED,
&priv->state) ? 0 :
((u64 *)&priv->channel[i]->rq.stats)[j];
for (i = 0; i < priv->params.num_channels; i++)
for (tc = 0; tc < priv->params.num_tc; tc++)
for (j = 0; j < NUM_SQ_STATS; j++)
data[idx++] = !test_bit(MLX5E_STATE_OPENED,
&priv->state) ? 0 :
((u64 *)&priv->channel[i]->sq[tc].stats)[j];
}
static void mlx5e_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
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->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;
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 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
__func__, param->rx_pending,
1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
return -EINVAL;
}
if (param->rx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE)) {
netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
__func__, param->rx_pending,
1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE);
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 = min_t(u16, param->rx_pending - 1,
MLX5E_PARAMS_DEFAULT_MIN_RX_WQES);
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);
int ncv = priv->mdev->priv.eq_table.num_comp_vectors;
ch->max_combined = ncv;
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 = priv->mdev->priv.eq_table.num_comp_vectors;
unsigned int count = ch->combined_count;
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);
priv->params.num_channels = count;
if (was_opened)
err = mlx5e_open_locked(dev);
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);
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;
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;
int tc;
int i;
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;
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);
}
return 0;
}
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;
}
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;
u8 port_status;
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;
err = mlx5_set_port_proto(mdev, link_modes, MLX5_PTYS_EN);
if (err) {
netdev_err(netdev, "%s: set port eth proto admin failed: %d\n",
__func__, err);
goto out;
}
err = mlx5_query_port_status(mdev, &port_status);
if (err)
goto out;
if (port_status == MLX5_PORT_DOWN)
return 0;
err = mlx5_set_port_status(mdev, MLX5_PORT_DOWN);
if (err)
goto out;
err = mlx5_set_port_status(mdev, MLX5_PORT_UP);
out:
return err;
}
static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
if (hfunc)
*hfunc = priv->params.rss_hfunc;
return 0;
}
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 err = 0;
if (hfunc == ETH_RSS_HASH_NO_CHANGE)
return 0;
if ((hfunc != ETH_RSS_HASH_XOR) &&
(hfunc != ETH_RSS_HASH_TOP))
return -EINVAL;
mutex_lock(&priv->state_lock);
priv->params.rss_hfunc = hfunc;
if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
mlx5e_close_locked(dev);
err = mlx5e_open_locked(dev);
}
mutex_unlock(&priv->state_lock);
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;
}
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 = mlx5e_get_rxfh,
.set_rxfh = mlx5e_set_rxfh,
.get_tunable = mlx5e_get_tunable,
.set_tunable = mlx5e_set_tunable,
};
