diff options
| author | Tariq Toukan <tariqt@mellanox.com> | 2020-05-28 10:13:00 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-06-28 00:00:21 +0300 |
| commit | 1182f36593570e8e9ca53f6fabfc40ccf93c21d7 (patch) | |
| tree | bdab3a375cce48c0f9a14e6f62d2e7512ca0f16e /drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | |
| parent | df8d866770f9877dedc864af4346c73694931cab (diff) | |
| download | linux-1182f36593570e8e9ca53f6fabfc40ccf93c21d7.tar.xz | |
net/mlx5e: kTLS, Add kTLS RX HW offload support
Implement driver support for the kTLS RX HW offload feature.
Resync support is added in a downstream patch.
New offload contexts post their static/progress params WQEs
over the per-channel async ICOSQ, protected under a spin-lock.
The Channel/RQ is selected according to the socket's rxq index.
Feature is OFF by default. Can be turned on by:
$ ethtool -K <if> tls-hw-rx-offload on
A new TLS-RX workqueue is used to allow asynchronous addition of
steering rules, out of the NAPI context.
It will be also used in a downstream patch in the resync procedure.
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_rx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index dbb1c6323967..9a6958acf87d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -578,6 +578,30 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq) return !!err; } +void mlx5e_free_icosq_descs(struct mlx5e_icosq *sq) +{ + u16 sqcc; + + sqcc = sq->cc; + + while (sqcc != sq->pc) { + struct mlx5e_icosq_wqe_info *wi; + u16 ci; + + ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc); + wi = &sq->db.wqe_info[ci]; + sqcc += wi->num_wqebbs; +#ifdef CONFIG_MLX5_EN_TLS + switch (wi->wqe_type) { + case MLX5E_ICOSQ_WQE_SET_PSV_TLS: + mlx5e_ktls_handle_ctx_completion(wi); + break; + } +#endif + } + sq->cc = sqcc; +} + int mlx5e_poll_ico_cq(struct mlx5e_cq *cq) { struct mlx5e_icosq *sq = container_of(cq, struct mlx5e_icosq, cq); @@ -633,6 +657,13 @@ int mlx5e_poll_ico_cq(struct mlx5e_cq *cq) break; case MLX5E_ICOSQ_WQE_NOP: break; +#ifdef CONFIG_MLX5_EN_TLS + case MLX5E_ICOSQ_WQE_UMR_TLS: + break; + case MLX5E_ICOSQ_WQE_SET_PSV_TLS: + mlx5e_ktls_handle_ctx_completion(wi); + break; +#endif default: netdev_WARN_ONCE(cq->channel->netdev, "Bad WQE type in ICOSQ WQE info: 0x%x\n", @@ -983,7 +1014,7 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, skb->mac_len = ETH_HLEN; #ifdef CONFIG_MLX5_EN_TLS - mlx5e_tls_handle_rx_skb(netdev, skb, &cqe_bcnt); + mlx5e_tls_handle_rx_skb(rq, skb, cqe, &cqe_bcnt); #endif if (lro_num_seg > 1) { |