[PATCH 5.15 406/846] RDMA/qedr: Fix reporting max_{send/recv}_wr attrs

From: Greg Kroah-Hartman
Date: Mon Jan 24 2022 - 17:47:49 EST


From: Kamal Heib <kamalheib1@xxxxxxxxx>

[ Upstream commit b1a4da64bfc189510e08df1ccb1c589e667dc7a3 ]

Fix the wrongly reported max_send_wr and max_recv_wr attributes for user
QP by making sure to save their valuse on QP creation, so when query QP is
called the attributes will be reported correctly.

Fixes: cecbcddf6461 ("qedr: Add support for QP verbs")
Link: https://lore.kernel.org/r/20211206201314.124947-1-kamalheib1@xxxxxxxxx
Signed-off-by: Kamal Heib <kamalheib1@xxxxxxxxx>
Acked-by: Michal Kalderon <michal.kalderon@xxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/hw/qedr/verbs.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 3d4e4a766574a..f652d083ff20f 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1941,6 +1941,7 @@ static int qedr_create_user_qp(struct qedr_dev *dev,
/* db offset was calculated in copy_qp_uresp, now set in the user q */
if (qedr_qp_has_sq(qp)) {
qp->usq.db_addr = ctx->dpi_addr + uresp.sq_db_offset;
+ qp->sq.max_wr = attrs->cap.max_send_wr;
rc = qedr_db_recovery_add(dev, qp->usq.db_addr,
&qp->usq.db_rec_data->db_data,
DB_REC_WIDTH_32B,
@@ -1951,6 +1952,7 @@ static int qedr_create_user_qp(struct qedr_dev *dev,

if (qedr_qp_has_rq(qp)) {
qp->urq.db_addr = ctx->dpi_addr + uresp.rq_db_offset;
+ qp->rq.max_wr = attrs->cap.max_recv_wr;
rc = qedr_db_recovery_add(dev, qp->urq.db_addr,
&qp->urq.db_rec_data->db_data,
DB_REC_WIDTH_32B,
--
2.34.1