[PATCH rdma-next 06/12] IB/mlx5: Add XRC initiator ODP support
From: Leon Romanovsky <leon@kernel.org>
Date: 2019-01-22 06:49:15
Also in:
linux-rdma
Subsystem:
infiniband subsystem, mellanox mlx5 ib driver, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Moni Shoua <redacted> Skip XRC segment in the beginning of a send WQE and fetch ODP XRC capabilities when QP type is IB_QPT_XRC_INI. The rest of the handling is the same as in RC QP. Signed-off-by: Moni Shoua <redacted> Reviewed-by: Majd Dibbiny <redacted> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/hw/mlx5/odp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 71f543d3b70e..cc01d92490cc 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c@@ -1020,6 +1020,10 @@ static int mlx5_ib_mr_initiator_pfault_handler( MLX5_WQE_CTRL_OPCODE_MASK; switch (qp->ibqp.qp_type) { + case IB_QPT_XRC_INI: + *wqe += sizeof(struct mlx5_wqe_xrc_seg); + transport_caps = dev->odp_caps.per_transport_caps.xrc_odp_caps; + break; case IB_QPT_RC: transport_caps = dev->odp_caps.per_transport_caps.rc_odp_caps; break;
@@ -1039,7 +1043,7 @@ static int mlx5_ib_mr_initiator_pfault_handler( return -EFAULT; } - if (qp->ibqp.qp_type != IB_QPT_RC) { + if (qp->ibqp.qp_type == IB_QPT_UD) { av = *wqe; if (av->dqp_dct & cpu_to_be32(MLX5_EXTENDED_UD_AV)) *wqe += sizeof(struct mlx5_av);
--
2.19.1