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authorMichael Guralnik <michaelgur@mellanox.com>2019-08-19 15:08:15 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-08-28 11:18:40 -0300
commit75e46fc02c975f401e70a53ecd55d475081d13a3 (patch)
tree8e640fb881b9397d5135fcf9f905b086e799f558 /drivers/infiniband/hw
parent29af94987ba68a0244b73e8a0b051addb8853f93 (diff)
IB/mlx5: Add page fault handler for DC initiator WQE
Parsing DC initiator WQEs upon page fault requires skipping an address vector segment, as in UD WQEs. Link: https://lore.kernel.org/r/20190819120815.21225-4-leon@kernel.org Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mlx5/odp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 8c8e5f41a82f..429c72407d7f 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -1050,7 +1050,8 @@ static int mlx5_ib_mr_initiator_pfault_handler(
if (qp->ibqp.qp_type == IB_QPT_XRC_INI)
*wqe += sizeof(struct mlx5_wqe_xrc_seg);
- if (qp->ibqp.qp_type == IB_QPT_UD) {
+ if (qp->ibqp.qp_type == IB_QPT_UD ||
+ qp->qp_sub_type == MLX5_IB_QPT_DCI) {
av = *wqe;
if (av->dqp_dct & cpu_to_be32(MLX5_EXTENDED_UD_AV))
*wqe += sizeof(struct mlx5_av);