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| author | Ilan Tayari | 2017-04-18 15:08:23 +0200 |
|---|---|---|
| committer | Saeed Mahameed | 2017-06-27 15:36:48 +0200 |
| commit | 2ac9cfe78223bb88be8cff3b59e0e13551b4e29c (patch) | |
| tree | 484634d3f66c40187e2fed4dcafbb2cd3c7b20e6 /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h | |
| parent | net/mlx5e: IPSec, Add Innova IPSec offload RX data path (diff) | |
| download | kernel-qcow2-linux-2ac9cfe78223bb88be8cff3b59e0e13551b4e29c.tar.gz kernel-qcow2-linux-2ac9cfe78223bb88be8cff3b59e0e13551b4e29c.tar.xz kernel-qcow2-linux-2ac9cfe78223bb88be8cff3b59e0e13551b4e29c.zip | |
net/mlx5e: IPSec, Add Innova IPSec offload TX data path
In the TX data path, prepend a special metadata ethertype which
instructs the hardware to perform cryptography.
In addition, fill Software-Parser segment in TX descriptor so
that the hardware may parse the ESP protocol, and perform TX
checksum offload on the inner payload.
Support GSO, by providing the inverse of gso_size in the metadata.
This allows the FPGA to update the ESP header (seqno and seqiv) on the
resulting packets, by calculating the packet number within the GSO
back from the TCP sequence number.
Note that for GSO SKBs, the stack does not include an ESP trailer,
unlike the non-GSO case.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h | 13 |
1 files changed, 12 insertions, 1 deletions
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 4e2fab8c5d74..e37ae2598dbb 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 @@ -34,6 +34,8 @@ #ifndef __MLX5E_IPSEC_RXTX_H__ #define __MLX5E_IPSEC_RXTX_H__ +#ifdef CONFIG_MLX5_EN_IPSEC + #include <linux/skbuff.h> #include "en.h" @@ -41,4 +43,13 @@ struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb); void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); -#endif /* __MLX5E_IPSEC_RXTX_H__ */ +void mlx5e_ipsec_inverse_table_init(void); +bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev, + netdev_features_t features); +struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev, + struct mlx5e_tx_wqe *wqe, + struct sk_buff *skb); + +#endif /* CONFIG_MLX5_EN_IPSEC */ + +#endif /* __MLX5E_IPSEC_RXTX_H__ */ |