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Add NVMEoTCP offload to mlx5. This patch implements the NVME-TCP offload added by previous commits. Similarly to other layer-5 offload, the offload is mapped to a TIR, and updated using WQEs. - Use 128B CQEs when NVME-TCP offload is enabled - Implement asynchronous ddp invalidaation by completing the nvme-tcp request only when the invalidate UMR is done - Use KLM UMRs to implement ddp - Use a dedicated icosq for all NVME-TCP work. This SQ is unique in the sense that it is driven directly by the NVME-TCP layer to submit and invalidate ddp requests. - Add statistics for offload packets/bytes, ddp setup/teardown, and queue init/teardown Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Ben Ben-Ishay <benishay@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Yoray Zack <yorayz@mellanox.com>
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