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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>
This commit is contained in:
Michael Guralnik 2019-08-19 15:08:15 +03:00 committed by Jason Gunthorpe
parent 29af94987b
commit 75e46fc02c
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/mlx5/odp.c
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@ -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);