diff options
| author |   Achiad Shochat <achiad@mellanox.com> | 2015-12-23 18:47:22 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-12-23 12:07:37 -0500 |
| commit | cb34be6da25f45034ef4ff6103d401b451165e39 (patch) | |
| tree | 6d3bb467d9bf290f659fb42a1401b6893cfc08b7 | |
| parent | IB/mlx5: Extend query_device/port to support RoCE (diff) | |
| download | linux-dev-cb34be6da25f45034ef4ff6103d401b451165e39.tar.xz linux-dev-cb34be6da25f45034ef4ff6103d401b451165e39.zip | |
IB/mlx5: Set network_hdr_type upon RoCE responder completion
When handling a responder completion, if the link layer is Ethernet,
set the work completion network_hdr_type field according to CQE's
info and the IB_WC_WITH_NETWORK_HDR_TYPE flag.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 17 | ||||
| -rw-r--r-- | include/linux/mlx5/device.h | 6 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 3dfd287256d6..3ce5cfa7a4e0 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -171,6 +171,7 @@ enum { static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe, struct mlx5_ib_qp *qp) { + enum rdma_link_layer ll = rdma_port_get_link_layer(qp->ibqp.device, 1); struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); struct mlx5_ib_srq *srq; struct mlx5_ib_wq *wq; @@ -236,6 +237,22 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe, } else { wc->pkey_index = 0; } + + if (ll != IB_LINK_LAYER_ETHERNET) + return; + + switch (wc->sl & 0x3) { + case MLX5_CQE_ROCE_L3_HEADER_TYPE_GRH: + wc->network_hdr_type = RDMA_NETWORK_IB; + break; + case MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV6: + wc->network_hdr_type = RDMA_NETWORK_IPV6; + break; + case MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV4: + wc->network_hdr_type = RDMA_NETWORK_IPV4; + break; + } + wc->wc_flags |= IB_WC_WITH_NETWORK_HDR_TYPE; } static void dump_cqe(struct mlx5_ib_dev *dev, struct mlx5_err_cqe *cqe) diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 0b473cbfa7ef..84aa7e0e1dfa 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -629,6 +629,12 @@ enum { }; enum { + MLX5_CQE_ROCE_L3_HEADER_TYPE_GRH = 0x0, + MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV6 = 0x1, + MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV4 = 0x2, +}; + +enum { CQE_L2_OK = 1 << 0, CQE_L3_OK = 1 << 1, CQE_L4_OK = 1 << 2, |