diff options
| author |   Md Haris Iqbal <haris.iqbal@cloud.ionos.com> | 2021-06-14 11:03:35 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-06-18 13:47:13 -0300 |
| commit | b012f0ad5321e86d61f5c9eabba3320347221d06 (patch) | |
| tree | d62a89f2428498bc77bfef571e4d30a35134bdbf /drivers/infiniband/ulp | |
| parent | RDMA/rtrs-clt: Use minimal max_send_sge when create qp (diff) | |
| download | linux-dev-b012f0ad5321e86d61f5c9eabba3320347221d06.tar.xz linux-dev-b012f0ad5321e86d61f5c9eabba3320347221d06.zip | |
RDMA/rtrs: RDMA_RXE requires more number of WR
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.
Link: https://lore.kernel.org/r/20210614090337.29557-4-jinpu.wang@ionos.com
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>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt.c | 7 | ||||
| -rw-r--r-- | 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 { /* |