net/mlx5e: FPGA, fix Innova IPsec TX offload data path performance
At Innova IPsec TX offload data path a special software parser metadata is used to pass some packet attributes to the hardware, this metadata is passed using the Ethernet control segment of a WQE (a HW descriptor) header. The cited commit might nullify this header, hence the metadata is lost, this caused a significant performance drop during hw offloading operation. Fix by restoring the metadata at the Ethernet control segment in case it was nullified. Fixes: 37fdffb2 ("net/mlx5: WQ, fixes for fragmented WQ buffers API") Signed-off-by: Raed Salem <raeds@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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