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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/Makefile2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en.h35
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_clock.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c159
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c30
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rep.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c136
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c (renamed from drivers/net/ethernet/mellanox/mlx5/core/ipoib.c)78
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h (renamed from drivers/net/ethernet/mellanox/mlx5/core/ipoib.h)7
11 files changed, 406 insertions, 74 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 12556c03eec4..5ad093a21a6e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -15,4 +15,4 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o eswitch_offloads.o \
mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o
-mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib.o
+mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 8094e78292de..5d9ace493d85 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -52,8 +52,10 @@
#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
-#define MLX5E_HW2SW_MTU(hwmtu) ((hwmtu) - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN))
-#define MLX5E_SW2HW_MTU(swmtu) ((swmtu) + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN))
+#define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
+
+#define MLX5E_HW2SW_MTU(priv, hwmtu) ((hwmtu) - ((priv)->hard_mtu))
+#define MLX5E_SW2HW_MTU(priv, swmtu) ((swmtu) + ((priv)->hard_mtu))
#define MLX5E_MAX_NUM_TC 8
@@ -747,6 +749,7 @@ struct mlx5e_priv {
struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
u32 tx_rates[MLX5E_MAX_NUM_SQS];
+ int hard_mtu;
struct mlx5e_flow_steering fs;
struct mlx5e_vxlan_db vxlan;
@@ -782,6 +785,7 @@ struct mlx5e_profile {
void (*enable)(struct mlx5e_priv *priv);
void (*disable)(struct mlx5e_priv *priv);
void (*update_stats)(struct mlx5e_priv *priv);
+ void (*update_carrier)(struct mlx5e_priv *priv);
int (*max_nch)(struct mlx5_core_dev *mdev);
struct {
mlx5e_fp_handle_rx_cqe handle_rx_cqe;
@@ -849,8 +853,8 @@ void mlx5e_timestamp_init(struct mlx5e_priv *priv);
void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv);
void mlx5e_pps_event_handler(struct mlx5e_priv *priv,
struct ptp_clock_event *event);
-int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr);
-int mlx5e_hwstamp_get(struct net_device *dev, struct ifreq *ifr);
+int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
+int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
@@ -1021,6 +1025,29 @@ int mlx5e_open(struct net_device *netdev);
void mlx5e_update_stats_work(struct work_struct *work);
u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout);
+/* ethtool helpers */
+void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
+ struct ethtool_drvinfo *drvinfo);
+void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
+ uint32_t stringset, uint8_t *data);
+int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset);
+void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
+ struct ethtool_stats *stats, u64 *data);
+void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
+ struct ethtool_ringparam *param);
+int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
+ struct ethtool_ringparam *param);
+void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
+ struct ethtool_channels *ch);
+int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
+ struct ethtool_channels *ch);
+int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
+ struct ethtool_coalesce *coal);
+int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
+ struct ethtool_coalesce *coal);
+int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
+ struct ethtool_ts_info *info);
+
/* mlx5e generic netdev management API */
struct net_device*
mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
index e29494464cae..66f432385dbb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -86,9 +86,8 @@ static void mlx5e_timestamp_overflow(struct work_struct *work)
schedule_delayed_work(&tstamp->overflow_work, tstamp->overflow_period);
}
-int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
+int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
struct hwtstamp_config config;
int err;
@@ -130,10 +129,10 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
case HWTSTAMP_FILTER_NTP_ALL:
/* Disable CQE compression */
- netdev_warn(dev, "Disabling cqe compression");
+ netdev_warn(priv->netdev, "Disabling cqe compression");
err = mlx5e_modify_rx_cqe_compression_locked(priv, false);
if (err) {
- netdev_err(dev, "Failed disabling cqe compression err=%d\n", err);
+ netdev_err(priv->netdev, "Failed disabling cqe compression err=%d\n", err);
mutex_unlock(&priv->state_lock);
return err;
}
@@ -151,9 +150,8 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
sizeof(config)) ? -EFAULT : 0;
}
-int mlx5e_hwstamp_get(struct net_device *dev, struct ifreq *ifr)
+int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
struct hwtstamp_config *cfg = &priv->tstamp.hwtstamp_config;
if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 216752070391..ab46061f72ab 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -32,10 +32,9 @@
#include "en.h"
-static void mlx5e_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *drvinfo)
+void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
+ 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));
@@ -49,6 +48,14 @@ static void mlx5e_get_drvinfo(struct net_device *dev,
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);
@@ -135,6 +142,9 @@ static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv)
u8 pfc_en_rx;
int err;
+ if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
+ return 0;
+
err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx);
return err ? 0 : pfc_en_tx | pfc_en_rx;
@@ -147,6 +157,9 @@ static bool mlx5e_query_global_pause_combined(struct mlx5e_priv *priv)
u32 tx_pause;
int err;
+ if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
+ return false;
+
err = mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
return err ? false : rx_pause | tx_pause;
@@ -160,9 +173,8 @@ static bool mlx5e_query_global_pause_combined(struct mlx5e_priv *priv)
((mlx5e_query_global_pause_combined(priv) + hweight8(mlx5e_query_pfc_combined(priv))) * \
NUM_PPORT_PER_PRIO_PFC_COUNTERS)
-static int mlx5e_get_sset_count(struct net_device *dev, int sset)
+int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
@@ -186,6 +198,13 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset)
}
}
+static int mlx5e_get_sset_count(struct net_device *dev, int sset)
+{
+ struct mlx5e_priv *priv = netdev_priv(dev);
+
+ return mlx5e_ethtool_get_sset_count(priv, sset);
+}
+
static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
{
int i, j, tc, prio, idx = 0;
@@ -273,10 +292,9 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
priv->channel_tc2txq[i][tc]);
}
-static void mlx5e_get_strings(struct net_device *dev,
- uint32_t stringset, uint8_t *data)
+void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
+ uint32_t stringset, uint8_t *data)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
int i;
switch (stringset) {
@@ -297,10 +315,17 @@ static void mlx5e_get_strings(struct net_device *dev,
}
}
-static void mlx5e_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *data)
+static void mlx5e_get_strings(struct net_device *dev,
+ uint32_t stringset, uint8_t *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)
+{
struct mlx5e_channels *channels;
struct mlx5_priv *mlx5_priv;
int i, j, tc, prio, idx = 0;
@@ -395,6 +420,15 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev,
sq_stats_desc, j);
}
+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);
+}
+
static u32 mlx5e_rx_wqes_to_packets(struct mlx5e_priv *priv, int rq_wq_type,
int num_wqe)
{
@@ -439,10 +473,9 @@ static u32 mlx5e_packets_to_rx_wqes(struct mlx5e_priv *priv, int rq_wq_type,
return 1 << (order_base_2(num_wqes));
}
-static void mlx5e_get_ringparam(struct net_device *dev,
- struct ethtool_ringparam *param)
+void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
+ struct ethtool_ringparam *param)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
int rq_wq_type = priv->channels.params.rq_wq_type;
param->rx_max_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type,
@@ -453,10 +486,17 @@ static void mlx5e_get_ringparam(struct net_device *dev,
param->tx_pending = 1 << priv->channels.params.log_sq_size;
}
-static int mlx5e_set_ringparam(struct net_device *dev,
- struct ethtool_ringparam *param)
+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)
+{
int rq_wq_type = priv->channels.params.rq_wq_type;
struct mlx5e_channels new_channels = {};
u32 rx_pending_wqes;
@@ -468,12 +508,12 @@ static int mlx5e_set_ringparam(struct net_device *dev,
int err = 0;
if (param->rx_jumbo_pending) {
- netdev_info(dev, "%s: rx_jumbo_pending not supported\n",
+ netdev_info(priv->netdev, "%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",
+ netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
__func__);
return -EINVAL;
}
@@ -486,13 +526,13 @@ static int mlx5e_set_ringparam(struct net_device *dev,
param->rx_pending);
if (param->rx_pending < min_rq_size) {
- netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n",
+ netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
__func__, param->rx_pending,
min_rq_size);
return -EINVAL;
}
if (param->rx_pending > max_rq_size) {
- netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n",
+ netdev_info(priv->netdev, "%s: rx_pending (%d) > max (%d)\n",
__func__, param->rx_pending,
max_rq_size);
return -EINVAL;
@@ -501,19 +541,19 @@ static int mlx5e_set_ringparam(struct net_device *dev,
num_mtts = MLX5E_REQUIRED_MTTS(rx_pending_wqes);
if (priv->channels.params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ &&
!MLX5E_VALID_NUM_MTTS(num_mtts)) {
- netdev_info(dev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n",
+ netdev_info(priv->netdev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n",
__func__, param->rx_pending);
return -EINVAL;
}
if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
- netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n",
+ netdev_info(priv->netdev, "%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",
+ netdev_info(priv->netdev, "%s: tx_pending (%d) > max (%d)\n",
__func__, param->tx_pending,
1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE);
return -EINVAL;
@@ -549,26 +589,39 @@ unlock:
return err;
}
-static void mlx5e_get_channels(struct net_device *dev,
- struct ethtool_channels *ch)
+static int mlx5e_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *param)
{
struct mlx5e_priv *priv = netdev_priv(dev);
+ return mlx5e_ethtool_set_ringparam(priv, param);
+}
+
+void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
+ struct ethtool_channels *ch)
+{
ch->max_combined = priv->profile->max_nch(priv->mdev);
ch->combined_count = priv->channels.params.num_channels;
}
-static int mlx5e_set_channels(struct net_device *dev,
- struct ethtool_channels *ch)
+static void mlx5e_get_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
{
struct mlx5e_priv *priv = netdev_priv(dev);
+
+ mlx5e_ethtool_get_channels(priv, ch);
+}
+
+int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
+ struct ethtool_channels *ch)
+{
unsigned int count = ch->combined_count;
struct mlx5e_channels new_channels = {};
bool arfs_enabled;
int err = 0;
if (!count) {
- netdev_info(dev, "%s: combined_count=0 not supported\n",
+ netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
__func__);
return -EINVAL;
}
@@ -593,7 +646,7 @@ static int mlx5e_set_channels(struct net_device *dev,
if (err)
goto out;
- arfs_enabled = dev->features & NETIF_F_NTUPLE;
+ arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
if (arfs_enabled)
mlx5e_arfs_disable(priv);
@@ -603,7 +656,7 @@ static int mlx5e_set_channels(struct net_device *dev,
if (arfs_enabled) {
err = mlx5e_arfs_enable(priv);
if (err)
- netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n",
+ netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
__func__, err);
}
@@ -613,11 +666,17 @@ out:
return err;
}
-static int mlx5e_get_coalesce(struct net_device *netdev,
- struct ethtool_coalesce *coal)
+static int mlx5e_set_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
{
- struct mlx5e_priv *priv = netdev_priv(netdev);
+ 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)
+{
if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
return -EOPNOTSUPP;
@@ -630,6 +689,14 @@ static int mlx5e_get_coalesce(struct net_device *netdev,
return 0;
}
+static int mlx5e_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ return mlx5e_ethtool_get_coalesce(priv, coal);
+}
+
static void
mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
@@ -653,10 +720,9 @@ mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesc
}
}
-static int mlx5e_set_coalesce(struct net_device *netdev,
- struct ethtool_coalesce *coal)
+int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
+ struct ethtool_coalesce *coal)
{
- struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channels new_channels = {};
int err = 0;
@@ -699,6 +765,14 @@ out:
return err;
}
+static int mlx5e_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ return mlx5e_ethtool_set_coalesce(priv, coal);
+}
+
static void ptys2ethtool_supported_link(unsigned long *supported_modes,
u32 eth_proto_cap)
{
@@ -1298,13 +1372,12 @@ static int mlx5e_set_pauseparam(struct net_device *netdev,
return err;
}
-static int mlx5e_get_ts_info(struct net_device *dev,
- struct ethtool_ts_info *info)
+int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
+ struct ethtool_ts_info *info)
{
- struct mlx5e_priv *priv = netdev_priv(dev);
int ret;
- ret = ethtool_op_get_ts_info(dev, info);
+ ret = ethtool_op_get_ts_info(priv->netdev, info);
if (ret)
return ret;
@@ -1327,6 +1400,14 @@ static int mlx5e_get_ts_info(struct net_device *dev,
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;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 06eb7a8b487c..20ee29a2209e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -143,7 +143,8 @@ static void mlx5e_update_carrier_work(struct work_struct *work)
mutex_lock(&priv->state_lock);
if (test_bit(MLX5E_STATE_OPENED, &priv->state))
- mlx5e_update_carrier(priv);
+ if (priv->profile->update_carrier)
+ priv->profile->update_carrier(priv);
mutex_unlock(&priv->state_lock);
}
@@ -634,7 +635,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
rq->buff.wqe_sz = params->lro_en ?
params->lro_wqe_sz :
- MLX5E_SW2HW_MTU(c->netdev->mtu);
+ MLX5E_SW2HW_MTU(c->priv, c->netdev->mtu);
byte_count = rq->buff.wqe_sz;
/* calc the required page order */
@@ -2467,7 +2468,7 @@ free_in:
static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu)
{
struct mlx5_core_dev *mdev = priv->mdev;
- u16 hw_mtu = MLX5E_SW2HW_MTU(mtu);
+ u16 hw_mtu = MLX5E_SW2HW_MTU(priv, mtu);
int err;
err = mlx5_set_port_mtu(mdev, hw_mtu, 1);
@@ -2489,7 +2490,7 @@ static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu)
if (err || !hw_mtu) /* fallback to port oper mtu */
mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1);
- *mtu = MLX5E_HW2SW_MTU(hw_mtu);
+ *mtu = MLX5E_HW2SW_MTU(priv, hw_mtu);
}
static int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv)
@@ -2598,9 +2599,10 @@ void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
{
struct net_device *netdev = priv->netdev;
int new_num_txqs;
-
+ int carrier_ok;
new_num_txqs = new_chs->num * new_chs->params.num_tc;
+ carrier_ok = netif_carrier_ok(netdev);
netif_carrier_off(netdev);
if (new_num_txqs < netdev->real_num_tx_queues)
@@ -2618,7 +2620,9 @@ void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
mlx5e_refresh_tirs(priv, false);
mlx5e_activate_priv_channels(priv);
- mlx5e_update_carrier(priv);
+ /* return carrier back if needed */
+ if (carrier_ok)
+ netif_carrier_on(netdev);
}
int mlx5e_open_locked(struct net_device *netdev)
@@ -2634,7 +2638,8 @@ int mlx5e_open_locked(struct net_device *netdev)
mlx5e_refresh_tirs(priv, false);
mlx5e_activate_priv_channels(priv);
- mlx5e_update_carrier(priv);
+ if (priv->profile->update_carrier)
+ priv->profile->update_carrier(priv);
mlx5e_timestamp_init(priv);
if (priv->profile->update_stats)
@@ -3312,11 +3317,13 @@ out:
static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
+ struct mlx5e_priv *priv = netdev_priv(dev);
+
switch (cmd) {
case SIOCSHWTSTAMP:
- return mlx5e_hwstamp_set(dev, ifr);
+ return mlx5e_hwstamp_set(priv, ifr);
case SIOCGHWTSTAMP:
- return mlx5e_hwstamp_get(dev, ifr);
+ return mlx5e_hwstamp_get(priv, ifr);
default:
return -EOPNOTSUPP;
}
@@ -3871,6 +3878,7 @@ void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
mlx5e_set_rq_params(mdev, params);
/* HW LRO */
+
/* TODO: && MLX5_CAP_ETH(mdev, lro_cap) */
if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ)
params->lro_en = hw_lro_heuristic(link_speed, pci_bw);
@@ -3911,6 +3919,7 @@ static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev,
priv->netdev = netdev;
priv->profile = profile;
priv->ppriv = ppriv;
+ priv->hard_mtu = MLX5E_ETH_HARD_MTU;
mlx5e_build_nic_params(mdev, &priv->channels.params, profile->max_nch(mdev));
@@ -4156,7 +4165,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
/* MTU range: 68 - hw-specific max */
netdev->min_mtu = ETH_MIN_MTU;
mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1);
- netdev->max_mtu = MLX5E_HW2SW_MTU(max_mtu);
+ netdev->max_mtu = MLX5E_HW2SW_MTU(priv, max_mtu);
mlx5e_set_dev_port_mtu(priv);
mlx5_lag_add(mdev, netdev);
@@ -4215,6 +4224,7 @@ static const struct mlx5e_profile mlx5e_nic_profile = {
.disable = mlx5e_nic_disable,
.update_stats = mlx5e_update_ndo_stats,
.max_nch = mlx5e_get_max_num_channels,
+ .update_carrier = mlx5e_update_carrier,
.rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe,
.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq,
.max_tc = MLX5E_MAX_NUM_TC,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 01798e1ab667..76cb6ad6e00b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -833,6 +833,9 @@ static void mlx5e_init_rep(struct mlx5_core_dev *mdev,
INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work);
priv->channels.params.num_channels = profile->max_nch(mdev);
+
+ priv->hard_mtu = MLX5E_ETH_HARD_MTU;
+
mlx5e_build_rep_params(mdev, &priv->channels.params);
mlx5e_build_rep_netdev(netdev);
}
@@ -916,6 +919,7 @@ static struct mlx5e_profile mlx5e_rep_profile = {
.cleanup_tx = mlx5e_cleanup_nic_tx,
.update_stats = mlx5e_rep_update_stats,
.max_nch = mlx5e_get_rep_max_num_channels,
+ .update_carrier = NULL,
.rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep,
.rx_handlers.handle_rx_cqe_mpwqe = NULL /* Not supported */,
.max_tc = 1,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 66b5fec15313..abf6d2fcfe0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -40,7 +40,7 @@
#include "en_tc.h"
#include "eswitch.h"
#include "en_rep.h"
-#include "ipoib.h"
+#include "ipoib/ipoib.h"
static inline bool mlx5e_rx_hw_stamp(struct mlx5e_tstamp *tstamp)
{
@@ -648,7 +648,7 @@ static inline bool mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
prefetchw(wqe);
if (unlikely(dma_len < MLX5E_XDP_MIN_INLINE ||
- MLX5E_SW2HW_MTU(rq->netdev->mtu) < dma_len)) {
+ MLX5E_SW2HW_MTU(rq->channel->priv, rq->netdev->mtu) < dma_len)) {
rq->stats.xdp_drop++;
mlx5e_page_release(rq, di, true);
return false;
@@ -1038,11 +1038,7 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq)
#ifdef CONFIG_MLX5_CORE_IPOIB
#define MLX5_IB_GRH_DGID_OFFSET 24
-#define MLX5_IB_GRH_BYTES 40
-#define MLX5_IPOIB_ENCAP_LEN 4
#define MLX5_GID_SIZE 16
-#define MLX5_IPOIB_PSEUDO_LEN 20
-#define MLX5_IPOIB_HARD_LEN (MLX5_IPOIB_PSEUDO_LEN + MLX5_IPOIB_ENCAP_LEN)
static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe,
@@ -1050,6 +1046,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
struct sk_buff *skb)
{
struct net_device *netdev = rq->netdev;
+ struct mlx5e_tstamp *tstamp = rq->tstamp;
char *pseudo_header;
u8 *dgid;
u8 g;
@@ -1074,6 +1071,9 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
+ if (unlikely(mlx5e_rx_hw_stamp(tstamp)))
+ mlx5e_fill_hwstamp(tstamp, get_cqe_ts(cqe), skb_hwtstamps(skb));
+
skb_record_rx_queue(skb, rq->ix);
if (likely(netdev->features & NETIF_F_RXHASH))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index ef3e1918d8cc..0433d69429f3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -33,7 +33,7 @@
#include <linux/tcp.h>
#include <linux/if_vlan.h>
#include "en.h"
-#include "ipoib.h"
+#include "ipoib/ipoib.h"
#define MLX5E_SQ_NOPS_ROOM MLX5_SEND_WQE_MAX_WQEBBS
#define MLX5E_SQ_STOP_ROOM (MLX5_SEND_WQE_MAX_WQEBBS +\
@@ -557,11 +557,16 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
if (skb_is_gso(skb)) {
opcode = MLX5_OPCODE_LSO;
ihs = mlx5e_txwqe_build_eseg_gso(sq, skb, eseg, &num_bytes);
+ sq->stats.packets += skb_shinfo(skb)->gso_segs;
} else {
ihs = mlx5e_calc_min_inline(sq->min_inline_mode, skb);
num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN);
+ sq->stats.packets++;
}
+ sq->stats.bytes += num_bytes;
+ sq->stats.xmit_more += skb->xmit_more;
+
ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS;
if (ihs) {
memcpy(eseg->inline_hdr.start, skb_data, ihs);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
new file mode 100644
index 000000000000..bf686f0fde5d
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2017, 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 "ipoib.h"
+
+static void mlx5i_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ mlx5e_ethtool_get_drvinfo(priv, drvinfo);
+}
+
+static void mlx5i_get_strings(struct net_device *dev,
+ uint32_t stringset, uint8_t *data)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ mlx5e_ethtool_get_strings(priv, stringset, data);
+}
+
+static int mlx5i_get_sset_count(struct net_device *dev, int sset)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ return mlx5e_ethtool_get_sset_count(priv, sset);
+}
+
+static void mlx5i_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats,
+ u64 *data)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
+}
+
+static int mlx5i_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *param)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ return mlx5e_ethtool_set_ringparam(priv, param);
+}
+
+static void mlx5i_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *param)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ mlx5e_ethtool_get_ringparam(priv, param);
+}
+
+static int mlx5i_set_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ return mlx5e_ethtool_set_channels(priv, ch);
+}
+
+static void mlx5i_get_channels(struct net_device *dev,
+ struct ethtool_channels *ch)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ mlx5e_ethtool_get_channels(priv, ch);
+}
+
+static int mlx5i_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+
+ return mlx5e_ethtool_set_coalesce(priv, coal);
+}
+
+static int mlx5i_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coal)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+
+ return mlx5e_ethtool_get_coalesce(priv, coal);
+}
+
+static int mlx5i_get_ts_info(struct net_device *netdev,
+ struct ethtool_ts_info *info)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+
+ return mlx5e_ethtool_get_ts_info(priv, info);
+}
+
+const struct ethtool_ops mlx5i_ethtool_ops = {
+ .get_drvinfo = mlx5i_get_drvinfo,
+ .get_strings = mlx5i_get_strings,
+ .get_sset_count = mlx5i_get_sset_count,
+ .get_ethtool_stats = mlx5i_get_ethtool_stats,
+ .get_ringparam = mlx5i_get_ringparam,
+ .set_ringparam = mlx5i_set_ringparam,
+ .get_channels = mlx5i_get_channels,
+ .set_channels = mlx5i_set_channels,
+ .get_coalesce = mlx5i_get_coalesce,
+ .set_coalesce = mlx5i_set_coalesce,
+ .get_ts_info = mlx5i_get_ts_info,
+};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 22ca59145e6c..1ee5bce85901 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -36,20 +36,38 @@
#include "ipoib.h"
#define IB_DEFAULT_Q_KEY 0xb1b
+#define MLX5I_PARAMS_DEFAULT_LOG_RQ_SIZE 9
static int mlx5i_open(struct net_device *netdev);
static int mlx5i_close(struct net_device *netdev);
static int mlx5i_dev_init(struct net_device *dev);
static void mlx5i_dev_cleanup(struct net_device *dev);
+static int mlx5i_change_mtu(struct net_device *netdev, int new_mtu);
+static int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
static const struct net_device_ops mlx5i_netdev_ops = {
.ndo_open = mlx5i_open,
.ndo_stop = mlx5i_close,
.ndo_init = mlx5i_dev_init,
.ndo_uninit = mlx5i_dev_cleanup,
+ .ndo_change_mtu = mlx5i_change_mtu,
+ .ndo_do_ioctl = mlx5i_ioctl,
};
/* IPoIB mlx5 netdev profile */
+static void mlx5i_build_nic_params(struct mlx5_core_dev *mdev,
+ struct mlx5e_params *params)
+{
+ /* Override RQ params as IPoIB supports only LINKED LIST RQ for now */
+ mlx5e_set_rq_type_params(mdev, params, MLX5_WQ_TYPE_LINKED_LIST);
+
+ /* RQ size in ipoib by default is 512 */
+ params->log_rq_size = is_kdump_kernel() ?
+ MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE :
+ MLX5I_PARAMS_DEFAULT_LOG_RQ_SIZE;
+
+ params->lro_en = false;
+}
/* Called directly after IPoIB netdevice was created to initialize SW structs */
static void mlx5i_init(struct mlx5_core_dev *mdev,
@@ -59,19 +77,18 @@ static void mlx5i_init(struct mlx5_core_dev *mdev,
{
struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+ /* priv init */
priv->mdev = mdev;
priv->netdev = netdev;
priv->profile = profile;
priv->ppriv = ppriv;
+ priv->hard_mtu = MLX5_IB_GRH_BYTES + MLX5_IPOIB_HARD_LEN;
+ mutex_init(&priv->state_lock);
mlx5e_build_nic_params(mdev, &priv->channels.params, profile->max_nch(mdev));
+ mlx5i_build_nic_params(mdev, &priv->channels.params);
- /* Override RQ params as IPoIB supports only LINKED LIST RQ for now */
- mlx5e_set_rq_type_params(mdev, &priv->channels.params, MLX5_WQ_TYPE_LINKED_LIST);
- priv->channels.params.lro_en = false;
-
- mutex_init(&priv->state_lock);
-
+ /* netdev init */
netdev->hw_features |= NETIF_F_SG;
netdev->hw_features |= NETIF_F_IP_CSUM;
netdev->hw_features |= NETIF_F_IPV6_CSUM;
@@ -82,6 +99,7 @@ static void mlx5i_init(struct mlx5_core_dev *mdev,
netdev->hw_features |= NETIF_F_RXHASH;
netdev->netdev_ops = &mlx5i_netdev_ops;
+ netdev->ethtool_ops = &mlx5i_ethtool_ops;
}
/* Called directly before IPoIB netdevice is destroyed to cleanup SW structs */
@@ -290,6 +308,7 @@ static const struct mlx5e_profile mlx5i_nic_profile = {
.disable = NULL, /* mlx5i_disable */
.update_stats = NULL, /* mlx5i_update_stats */
.max_nch = mlx5e_get_max_num_channels,
+ .update_carrier = NULL, /* no HW update in IB link */
.rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe,
.rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */
.max_tc = MLX5I_MAX_NUM_TC,
@@ -297,6 +316,35 @@ static const struct mlx5e_profile mlx5i_nic_profile = {
/* mlx5i netdev NDos */
+static int mlx5i_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+ struct mlx5e_channels new_channels = {};
+ int curr_mtu;
+ int err = 0;
+
+ mutex_lock(&priv->state_lock);
+
+ curr_mtu = netdev->mtu;
+ netdev->mtu = new_mtu;
+
+ if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
+ goto out;
+
+ new_channels.params = priv->channels.params;
+ err = mlx5e_open_channels(priv, &new_channels);
+ if (err) {
+ netdev->mtu = curr_mtu;
+ goto out;
+ }
+
+ mlx5e_switch_priv_channels(priv, &new_channels, NULL);
+
+out:
+ mutex_unlock(&priv->state_lock);
+ return err;
+}
+
static int mlx5i_dev_init(struct net_device *dev)
{
struct mlx5e_priv *priv = mlx5i_epriv(dev);
@@ -310,6 +358,20 @@ static int mlx5i_dev_init(struct net_device *dev)
return 0;
}
+static int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct mlx5e_priv *priv = mlx5i_epriv(dev);
+
+ switch (cmd) {
+ case SIOCSHWTSTAMP:
+ return mlx5e_hwstamp_set(priv, ifr);
+ case SIOCGHWTSTAMP:
+ return mlx5e_hwstamp_get(priv, ifr);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
static void mlx5i_dev_cleanup(struct net_device *dev)
{
struct mlx5e_priv *priv = mlx5i_epriv(dev);
@@ -336,6 +398,8 @@ static int mlx5i_open(struct net_device *netdev)
mlx5e_refresh_tirs(priv, false);
mlx5e_activate_priv_channels(priv);
+ mlx5e_timestamp_init(priv);
+
mutex_unlock(&priv->state_lock);
return 0;
@@ -359,6 +423,7 @@ static int mlx5i_close(struct net_device *netdev)
clear_bit(MLX5E_STATE_OPENED, &priv->state);
+ mlx5e_timestamp_cleanup(priv);
netif_carrier_off(priv->netdev);
mlx5e_deactivate_priv_channels(priv);
mlx5e_close_channels(&priv->channels);
@@ -510,4 +575,3 @@ void mlx5_rdma_netdev_free(struct net_device *netdev)
mlx5e_destroy_mdev_resources(priv->mdev);
}
EXPORT_SYMBOL(mlx5_rdma_netdev_free);
-
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
index 213191a78464..a0f405f520f7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
@@ -38,6 +38,13 @@
#define MLX5I_MAX_NUM_TC 1
+extern const struct ethtool_ops mlx5i_ethtool_ops;
+
+#define MLX5_IB_GRH_BYTES 40
+#define MLX5_IPOIB_ENCAP_LEN 4
+#define MLX5_IPOIB_PSEUDO_LEN 20
+#define MLX5_IPOIB_HARD_LEN (MLX5_IPOIB_PSEUDO_LEN + MLX5_IPOIB_ENCAP_LEN)
+
/* ipoib rdma netdev's private data structure */
struct mlx5i_priv {
struct rdma_netdev rn; /* keep this first */
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