[net-next V2 10/11] net/mlx5e: IPsec, Inline feature_check fast-path function
From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-01-12 07:15:07
Subsystem:
mellanox ethernet driver (mlx5e), mellanox ethernet innova drivers, mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Tariq Toukan <tariqt@nvidia.com> Feature check functions are in the TX fast-path of all SKBs, not only IPsec traffic. Move the IPsec feature check function into a header and turn it inline. Use a stub and clean the config flag condition in Eth main driver file. Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Raed Salem <redacted> Reviewed-by: Huy Nguyen <redacted> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- .../mellanox/mlx5/core/en_accel/ipsec_rxtx.c | 14 -------------- .../mellanox/mlx5/core/en_accel/ipsec_rxtx.h | 19 +++++++++++++++++-- .../net/ethernet/mellanox/mlx5/core/en_main.c | 2 -- 3 files changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index a9b45606dbdb..a97e8d205094 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c@@ -497,20 +497,6 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev, } } -bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev, - netdev_features_t features) -{ - struct sec_path *sp = skb_sec_path(skb); - struct xfrm_state *x; - - if (sp && sp->len) { - x = sp->xvec[0]; - if (x && x->xso.offload_handle) - return true; - } - return false; -} - void mlx5e_ipsec_build_inverse_table(void) { u16 mss_inv;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
index fabf4b6b2b84..3e80742a3caf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h@@ -57,8 +57,6 @@ struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb, u32 *cqe_bcnt); void mlx5e_ipsec_inverse_table_init(void); -bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev, - netdev_features_t features); void mlx5e_ipsec_set_iv_esn(struct sk_buff *skb, struct xfrm_state *x, struct xfrm_offload *xo); void mlx5e_ipsec_set_iv(struct sk_buff *skb, struct xfrm_state *x,
@@ -94,6 +92,21 @@ static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg) void mlx5e_ipsec_tx_build_eseg(struct mlx5e_priv *priv, struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg); + +static inline bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev, + netdev_features_t features) +{ + struct sec_path *sp = skb_sec_path(skb); + + if (sp && sp->len) { + struct xfrm_state *x = sp->xvec[0]; + + if (x && x->xso.offload_handle) + return true; + } + return false; +} + #else static inline void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
@@ -107,6 +120,8 @@ static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg) } static inline bool mlx5_ipsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; } +static inline bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev, + netdev_features_t features) { return false; } #endif /* CONFIG_MLX5_EN_IPSEC */ #endif /* __MLX5E_IPSEC_RXTX_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 1f66756f66f9..ee86b2b57f4d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -4376,10 +4376,8 @@ netdev_features_t mlx5e_features_check(struct sk_buff *skb, features = vlan_features_check(skb, features); features = vxlan_features_check(skb, features); -#ifdef CONFIG_MLX5_EN_IPSEC if (mlx5e_ipsec_feature_check(skb, netdev, features)) return features; -#endif /* Validate if the tunneled packet is being offloaded by HW */ if (skb->encapsulation &&
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2.26.2