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Message-ID: <20201201224208.73295-15-saeedm@nvidia.com>
Date: Tue, 1 Dec 2020 14:42:07 -0800
From: Saeed Mahameed <saeedm@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
"Aya Levin" <ayal@...dia.com>, Moshe Shemesh <moshe@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 14/15] net/mlx5e: Split between RX/TX tunnel FW support indication
From: Aya Levin <ayal@...dia.com>
Use the new FW caps to advertise for ip-in-ip tunnel support separately
for RX and TX.
Signed-off-by: Aya Levin <ayal@...dia.com>
Reviewed-by: Moshe Shemesh <moshe@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/en/fs.h | 3 +-
.../net/ethernet/mellanox/mlx5/core/en_fs.c | 20 +++++++----
.../net/ethernet/mellanox/mlx5/core/en_main.c | 34 ++++++++++++++++---
3 files changed, 43 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
index dc744702aee4..5749557749b0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
@@ -287,8 +287,7 @@ void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
-bool mlx5e_tunnel_proto_supported(struct mlx5_core_dev *mdev, u8 proto_type);
-bool mlx5e_any_tunnel_proto_supported(struct mlx5_core_dev *mdev);
+u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt);
#endif /* __MLX5E_FLOW_STEER_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 1f48f99c0997..fa8149f6eb08 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -772,25 +772,31 @@ static struct mlx5e_etype_proto ttc_tunnel_rules[] = {
};
-bool mlx5e_tunnel_proto_supported(struct mlx5_core_dev *mdev, u8 proto_type)
+u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt)
+{
+ return ttc_tunnel_rules[tt].proto;
+}
+
+static bool mlx5e_tunnel_proto_supported_rx(struct mlx5_core_dev *mdev, u8 proto_type)
{
switch (proto_type) {
case IPPROTO_GRE:
return MLX5_CAP_ETH(mdev, tunnel_stateless_gre);
case IPPROTO_IPIP:
case IPPROTO_IPV6:
- return MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip);
+ return (MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip) ||
+ MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip_rx));
default:
return false;
}
}
-bool mlx5e_any_tunnel_proto_supported(struct mlx5_core_dev *mdev)
+static bool mlx5e_tunnel_any_rx_proto_supported(struct mlx5_core_dev *mdev)
{
int tt;
for (tt = 0; tt < MLX5E_NUM_TUNNEL_TT; tt++) {
- if (mlx5e_tunnel_proto_supported(mdev, ttc_tunnel_rules[tt].proto))
+ if (mlx5e_tunnel_proto_supported_rx(mdev, ttc_tunnel_rules[tt].proto))
return true;
}
return false;
@@ -798,7 +804,7 @@ bool mlx5e_any_tunnel_proto_supported(struct mlx5_core_dev *mdev)
bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
{
- return (mlx5e_any_tunnel_proto_supported(mdev) &&
+ return (mlx5e_tunnel_any_rx_proto_supported(mdev) &&
MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
}
@@ -899,8 +905,8 @@ static int mlx5e_generate_ttc_table_rules(struct mlx5e_priv *priv,
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = params->inner_ttc->ft.t;
for (tt = 0; tt < MLX5E_NUM_TUNNEL_TT; tt++) {
- if (!mlx5e_tunnel_proto_supported(priv->mdev,
- ttc_tunnel_rules[tt].proto))
+ if (!mlx5e_tunnel_proto_supported_rx(priv->mdev,
+ ttc_tunnel_rules[tt].proto))
continue;
trules[tt] = mlx5e_generate_ttc_rule(priv, ft, &dest,
ttc_tunnel_rules[tt].etype,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index fd12d906d239..26be6eb44fed 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4279,6 +4279,20 @@ int mlx5e_get_vf_stats(struct net_device *dev,
}
#endif
+static bool mlx5e_tunnel_proto_supported_tx(struct mlx5_core_dev *mdev, u8 proto_type)
+{
+ switch (proto_type) {
+ case IPPROTO_GRE:
+ return MLX5_CAP_ETH(mdev, tunnel_stateless_gre);
+ case IPPROTO_IPIP:
+ case IPPROTO_IPV6:
+ return (MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip) ||
+ MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip_tx));
+ default:
+ return false;
+ }
+}
+
static bool mlx5e_gre_tunnel_inner_proto_offload_supported(struct mlx5_core_dev *mdev,
struct sk_buff *skb)
{
@@ -4321,7 +4335,7 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv,
break;
case IPPROTO_IPIP:
case IPPROTO_IPV6:
- if (mlx5e_tunnel_proto_supported(priv->mdev, IPPROTO_IPIP))
+ if (mlx5e_tunnel_proto_supported_tx(priv->mdev, IPPROTO_IPIP))
return features;
break;
case IPPROTO_UDP:
@@ -4906,6 +4920,17 @@ void mlx5e_vxlan_set_netdev_info(struct mlx5e_priv *priv)
priv->netdev->udp_tunnel_nic_info = &priv->nic_info;
}
+static bool mlx5e_tunnel_any_tx_proto_supported(struct mlx5_core_dev *mdev)
+{
+ int tt;
+
+ for (tt = 0; tt < MLX5E_NUM_TUNNEL_TT; tt++) {
+ if (mlx5e_tunnel_proto_supported_tx(mdev, mlx5e_get_proto_by_tunnel_type(tt)))
+ return true;
+ }
+ return (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev));
+}
+
static void mlx5e_build_nic_netdev(struct net_device *netdev)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -4951,8 +4976,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
mlx5e_vxlan_set_netdev_info(priv);
- if (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev) ||
- mlx5e_any_tunnel_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_TSO;
netdev->hw_enc_features |= NETIF_F_TSO6;
@@ -4969,7 +4993,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
NETIF_F_GSO_UDP_TUNNEL_CSUM;
}
- if (mlx5e_tunnel_proto_supported(mdev, IPPROTO_GRE)) {
+ if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_GRE)) {
netdev->hw_features |= NETIF_F_GSO_GRE |
NETIF_F_GSO_GRE_CSUM;
netdev->hw_enc_features |= NETIF_F_GSO_GRE |
@@ -4978,7 +5002,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
NETIF_F_GSO_GRE_CSUM;
}
- if (mlx5e_tunnel_proto_supported(mdev, IPPROTO_IPIP)) {
+ if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_IPIP)) {
netdev->hw_features |= NETIF_F_GSO_IPXIP4 |
NETIF_F_GSO_IPXIP6;
netdev->hw_enc_features |= NETIF_F_GSO_IPXIP4 |
--
2.26.2
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