diff mbox series

[PATCHv3,for-next,3/5] RDMA/rtrs: RDMA_RXE requires more number of WR

Message ID 20210614090337.29557-4-jinpu.wang@ionos.com (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series Misc update for RTRS | expand

Commit Message

Jinpu Wang June 14, 2021, 9:03 a.m. UTC 
From: Md Haris Iqbal <haris.iqbal@cloud.ionos.com>

When using rdma_rxe, post_one_recv() returns
ENOMEM error due to the full recv queue.
This patch increase the number of WR for receive queue
to support all devices.

Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
---
 drivers/infiniband/ulp/rtrs/rtrs-clt.c | 7 ++++---
 drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index cd53edddfe1f..acf0fde410c3 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1579,10 +1579,11 @@  static int create_con_cq_qp(struct rtrs_clt_con *con)
 	lockdep_assert_held(&con->con_mutex);
 	if (con->c.cid == 0) {
 		/*
-		 * One completion for each receive and two for each send
-		 * (send request + registration)
+		 * Two (request + registration) completion for send
+		 * Two for recv if always_invalidate is set on server
+		 * or one for recv.
 		 * + 2 for drain and heartbeat
-		 * in case qp gets into error state
+		 * in case qp gets into error state.
 		 */
 		max_send_wr = SERVICE_CON_QUEUE_DEPTH * 2 + 2;
 		max_recv_wr = SERVICE_CON_QUEUE_DEPTH * 2 + 2;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 04ec3080e9b5..bb73f7762a87 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1656,7 +1656,7 @@  static int create_con(struct rtrs_srv_sess *sess,
 		 * + 2 for drain and heartbeat
 		 */
 		max_send_wr = SERVICE_CON_QUEUE_DEPTH * 2 + 2;
-		max_recv_wr = SERVICE_CON_QUEUE_DEPTH + 2;
+		max_recv_wr = SERVICE_CON_QUEUE_DEPTH * 2 + 2;
 		cq_size = max_send_wr + max_recv_wr;
 	} else {
 		/*