From 29917f4750a0318d682c4b34e8bee2b877530d6e Mon Sep 17 00:00:00 2001
From: Moni Shoua <monis@mellanox.com>
Date: Tue, 22 Jan 2019 08:48:45 +0200
Subject: [PATCH] IB/mlx5: Add XRC initiator ODP support
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 <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---
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 649aaca41af23..c3bd9118ec9b8 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);
--
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