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>
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