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Commit c7ce833b authored by Erez Shitrit's avatar Erez Shitrit Committed by Doug Ledford
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IB/mlx5: Add support for CSUM in RX flow 



The driver checks the csum from the HW when completion arrived and marks
it in the wc->wc_flags field for the ulp drivers.
These is for packets from type IB_WC_RECV only.

Signed-off-by: default avatarErez Shitrit <erezsh@mellanox.com>
Signed-off-by: default avatarEran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent f0313965

drivers/infiniband/hw/mlx5/cq.c

+4 −1
Original line number Diff line number Diff line
@@ -207,6 +207,9 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe, 
		break;

	case MLX5_CQE_RESP_SEND:

		wc->opcode   = IB_WC_RECV;

		wc->wc_flags = IB_WC_IP_CSUM_OK;

		if (unlikely(!((cqe->hds_ip_ext & CQE_L3_OK) &&

			       (cqe->hds_ip_ext & CQE_L4_OK))))

			wc->wc_flags = 0;

		break;

	case MLX5_CQE_RESP_SEND_IMM: