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| author | Tariq Toukan <tariqt@mellanox.com> | 2020-06-16 15:15:06 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-06-27 14:00:23 -0700 |
| commit | 0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0 (patch) | |
| tree | d26baee1a4837e94a4619a764012eace1dd6404c /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h | |
| parent | ed9b7646b06a2ed2450dd9437fc7d1ad2783140c (diff) | |
| download | linux-0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0.tar.bz2 | |
net/mlx5e: kTLS, Add kTLS RX resync support
Implement the RX resync procedure, using the TLS async resync API.
The HW offload of TLS decryption in RX side might get out-of-sync
due to out-of-order reception of packets.
This requires SW intervention to update the HW context and get it
back in-sync.
Performance:
CPU: Intel(R) Xeon(R) CPU E5-2687W v4 @ 3.00GHz, 24 cores, HT off
NIC: ConnectX-6 Dx 100GbE dual port
Goodput (app-layer throughput) comparison:
+---------------+-------+-------+---------+
| # connections | 1 | 4 | 8 |
+---------------+-------+-------+---------+
| SW (Gbps) | 7.26 | 24.70 | 50.30 |
+---------------+-------+-------+---------+
| HW (Gbps) | 18.50 | 64.30 | 92.90 |
+---------------+-------+-------+---------+
| Speedup | 2.55x | 2.56x | 1.85x * |
+---------------+-------+-------+---------+
* After linerate is reached, diff is observed in CPU util.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h index 566cf24eb0fe..e5c180f2403b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h @@ -26,6 +26,7 @@ void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx); int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk, struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn); void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx); +void mlx5e_ktls_rx_resync(struct net_device *netdev, struct sock *sk, u32 seq, u8 *rcd_sn); struct mlx5e_set_tls_static_params_wqe { struct mlx5_wqe_ctrl_seg ctrl; @@ -39,12 +40,20 @@ struct mlx5e_set_tls_progress_params_wqe { struct mlx5_wqe_tls_progress_params_seg params; }; +struct mlx5e_get_tls_progress_params_wqe { + struct mlx5_wqe_ctrl_seg ctrl; + struct mlx5_seg_get_psv psv; +}; + #define MLX5E_TLS_SET_STATIC_PARAMS_WQEBBS \ (DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_static_params_wqe), MLX5_SEND_WQE_BB)) #define MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS \ (DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_progress_params_wqe), MLX5_SEND_WQE_BB)) +#define MLX5E_KTLS_GET_PROGRESS_WQEBBS \ + (DIV_ROUND_UP(sizeof(struct mlx5e_get_tls_progress_params_wqe), MLX5_SEND_WQE_BB)) + #define MLX5E_TLS_FETCH_SET_STATIC_PARAMS_WQE(sq, pi) \ ((struct mlx5e_set_tls_static_params_wqe *)\ mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_static_params_wqe))) @@ -53,6 +62,10 @@ struct mlx5e_set_tls_progress_params_wqe { ((struct mlx5e_set_tls_progress_params_wqe *)\ mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_progress_params_wqe))) +#define MLX5E_TLS_FETCH_GET_PROGRESS_PARAMS_WQE(sq, pi) \ + ((struct mlx5e_get_tls_progress_params_wqe *)\ + mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_get_tls_progress_params_wqe))) + #define MLX5E_TLS_FETCH_DUMP_WQE(sq, pi) \ ((struct mlx5e_dump_wqe *)\ mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_dump_wqe))) @@ -61,7 +74,7 @@ void mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe, u16 pc, u32 sqn, struct tls12_crypto_info_aes_gcm_128 *info, - u32 tis_tir_num, u32 key_id, + u32 tis_tir_num, u32 key_id, u32 resync_tcp_sn, bool fence, enum tls_offload_ctx_dir direction); void mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe, |