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net/mlx5e: Advertise IPsec packet offload support

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Add needed capabilities check to determine if device supports IPsec
packet offload mode.

Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Leon Romanovsky 2022-12-02 22:10:24 +02:00 committed by Steffen Klassert
parent 3afee4ed33
commit 59592cfdf8
2 changed files with 7 additions and 0 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
View File

@ -88,6 +88,7 @@ struct mlx5_accel_esp_xfrm_attrs {
enum mlx5_ipsec_cap {
MLX5_IPSEC_CAP_CRYPTO = 1 << 0,
MLX5_IPSEC_CAP_ESN = 1 << 1,
MLX5_IPSEC_CAP_PACKET_OFFLOAD = 1 << 2,
};
struct mlx5e_priv;

6
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
View File

@ -31,6 +31,12 @@ u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev)
MLX5_CAP_ETH(mdev, insert_trailer) && MLX5_CAP_ETH(mdev, swp))
caps |= MLX5_IPSEC_CAP_CRYPTO;
if (MLX5_CAP_IPSEC(mdev, ipsec_full_offload) &&
MLX5_CAP_FLOWTABLE_NIC_TX(mdev, reformat_add_esp_trasport) &&
MLX5_CAP_FLOWTABLE_NIC_RX(mdev, reformat_del_esp_trasport) &&
MLX5_CAP_FLOWTABLE_NIC_RX(mdev, decap))
caps |= MLX5_IPSEC_CAP_PACKET_OFFLOAD;
if (!caps)
return 0;