net/mlx5e: kTLS, Add resiliency to RX resync failures

net/mlx5e: kTLS, Add resiliency to RX resync failures

When the TLS logic finds a tcp seq match for a kTLS RX resync
request, it calls the driver callback function mlx5e_ktls_resync()
to handle it and communicate it to the device.

Errors might occur during mlx5e_ktls_resync(), however, they are not
reported to the stack. Moreover, there is no error handling in the
stack for these errors.

In this patch, the driver obtains responsibility on errors handling,
adding queue and retry mechanisms to these resyncs.

We maintain a linked list of resync matches, and try posting them
to the async ICOSQ in the NAPI context.

Only possible failure that demands driver handling is ICOSQ being full.
By relying on the NAPI mechanism, we make sure that the entries in list
will be handled when ICOSQ completions arrive and make some room
available.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>