Commit 83439f3c authored by Khalid Manaa's avatar Khalid Manaa Committed by Saeed Mahameed

net/mlx5e: Add HW-GRO offload

This commit introduces HW-GRO offload by using the SHAMPO feature
- Add set feature handler for HW-GRO.
Signed-off-by: default avatarBen Ben-Ishay <benishay@nvidia.com>
Signed-off-by: default avatarKhalid Manaa <khalidm@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent def09e7b
...@@ -3549,6 +3549,35 @@ static int set_feature_lro(struct net_device *netdev, bool enable) ...@@ -3549,6 +3549,35 @@ static int set_feature_lro(struct net_device *netdev, bool enable)
return err; return err;
} }
static int set_feature_hw_gro(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_params new_params;
bool reset = true;
int err = 0;
mutex_lock(&priv->state_lock);
new_params = priv->channels.params;
if (enable) {
new_params.packet_merge.type = MLX5E_PACKET_MERGE_SHAMPO;
new_params.packet_merge.shampo.match_criteria_type =
MLX5_RQC_SHAMPO_MATCH_CRITERIA_TYPE_EXTENDED;
new_params.packet_merge.shampo.alignment_granularity =
MLX5_RQC_SHAMPO_NO_MATCH_ALIGNMENT_GRANULARITY_STRIDE;
} else if (new_params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
new_params.packet_merge.type = MLX5E_PACKET_MERGE_NONE;
} else {
goto out;
}
err = mlx5e_safe_switch_params(priv, &new_params,
mlx5e_modify_tirs_packet_merge_ctx, NULL, reset);
out:
mutex_unlock(&priv->state_lock);
return err;
}
static int set_feature_cvlan_filter(struct net_device *netdev, bool enable) static int set_feature_cvlan_filter(struct net_device *netdev, bool enable)
{ {
struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_priv *priv = netdev_priv(netdev);
...@@ -3722,6 +3751,7 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features) ...@@ -3722,6 +3751,7 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features)
mlx5e_handle_feature(netdev, &oper_features, features, feature, handler) mlx5e_handle_feature(netdev, &oper_features, features, feature, handler)
err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro); err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_GRO_HW, set_feature_hw_gro);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER, err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
set_feature_cvlan_filter); set_feature_cvlan_filter);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_hw_tc); err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_hw_tc);
...@@ -3782,6 +3812,10 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev, ...@@ -3782,6 +3812,10 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n"); netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n");
features &= ~NETIF_F_LRO; features &= ~NETIF_F_LRO;
} }
if (features & NETIF_F_GRO_HW) {
netdev_warn(netdev, "Disabling HW-GRO, not supported in legacy RQ\n");
features &= ~NETIF_F_GRO_HW;
}
} }
if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) { if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) {
...@@ -4723,6 +4757,10 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) ...@@ -4723,6 +4757,10 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
netdev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; netdev->hw_features |= NETIF_F_HW_VLAN_STAG_TX;
if (!!MLX5_CAP_GEN(mdev, shampo) &&
mlx5e_check_fragmented_striding_rq_cap(mdev))
netdev->hw_features |= NETIF_F_GRO_HW;
if (mlx5e_tunnel_any_tx_proto_supported(mdev)) { if (mlx5e_tunnel_any_tx_proto_supported(mdev)) {
netdev->hw_enc_features |= NETIF_F_HW_CSUM; netdev->hw_enc_features |= NETIF_F_HW_CSUM;
netdev->hw_enc_features |= NETIF_F_TSO; netdev->hw_enc_features |= NETIF_F_TSO;
...@@ -4773,6 +4811,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) ...@@ -4773,6 +4811,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
if (fcs_enabled) if (fcs_enabled)
netdev->features &= ~NETIF_F_RXALL; netdev->features &= ~NETIF_F_RXALL;
netdev->features &= ~NETIF_F_LRO; netdev->features &= ~NETIF_F_LRO;
netdev->features &= ~NETIF_F_GRO_HW;
netdev->features &= ~NETIF_F_RXFCS; netdev->features &= ~NETIF_F_RXFCS;
#define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f)
......
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