From: Md Haris Iqbal <haris.iqbal@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
Signed-off-by: Gioh Kim <gi-oh.kim@xxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 7 ++++---
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
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 {
/*
--
2.25.1
