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| author | Erez Shitrit <erezsh@mellanox.com> | 2016-02-21 16:27:18 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-01 10:57:15 -0500 |
| commit | c7ce833b364bc19ef51b3c973c94a863e4af0e06 (patch) | |
| tree | c0b83256f89645abd69d5d450d91c1e52bff1ec0 /drivers/infiniband/hw/mlx5/cq.c | |
| parent | f031396531fe2b1a6ffb4fa5eceb9c1fa276869a (diff) | |
| download | op-kernel-dev-c7ce833b364bc19ef51b3c973c94a863e4af0e06.zip op-kernel-dev-c7ce833b364bc19ef51b3c973c94a863e4af0e06.tar.gz | |
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: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index fd1de31..5ece9a8 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -207,7 +207,10 @@ 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 = 0; + 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: wc->opcode = IB_WC_RECV; |
