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_accel/tls.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_accel/tls.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c index c01c17a5c6de..99beb928feff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c @@ -197,6 +197,7 @@ void mlx5e_tls_build_netdev(struct mlx5e_priv *priv) return; } + /* FPGA */ if (!mlx5_accel_is_tls_device(priv->mdev)) return; @@ -221,11 +222,19 @@ void mlx5e_tls_build_netdev(struct mlx5e_priv *priv) int mlx5e_tls_init(struct mlx5e_priv *priv) { - struct mlx5e_tls *tls = kzalloc(sizeof(*tls), GFP_KERNEL); + struct mlx5e_tls *tls; + if (!mlx5_accel_is_tls_device(priv->mdev)) + return 0; + + tls = kzalloc(sizeof(*tls), GFP_KERNEL); if (!tls) return -ENOMEM; + tls->rx_wq = create_singlethread_workqueue("mlx5e_tls_rx"); + if (!tls->rx_wq) + return -ENOMEM; + priv->tls = tls; return 0; } @@ -237,6 +246,7 @@ void mlx5e_tls_cleanup(struct mlx5e_priv *priv) if (!tls) return; + destroy_workqueue(tls->rx_wq); kfree(tls); priv->tls = NULL; } |