summaryrefslogtreecommitdiff
path: root/drivers/infiniband/ulp/rtrs
diff options
context:
space:
mode:
authorMd Haris Iqbal <haris.iqbal@ionos.com>2021-05-28 13:30:01 +0200
committerJason Gunthorpe <jgg@nvidia.com>2021-05-28 20:52:41 -0300
commit6564b110313ee429c8a483b6c60a2899d0cd9753 (patch)
treef88c204c0bbde4f003a2e996f617f85d09b943d2 /drivers/infiniband/ulp/rtrs
parent21c6f5674bb870adc3766a6f7de74f093b867c16 (diff)
RDMA/rtrs-srv: Add error messages for cases when failing RDMA connection
It was difficult to find out why it failed to establish RDMA connection. This patch adds some messages to show which function has failed why. Link: https://lore.kernel.org/r/20210528113018.52290-4-jinpu.wang@ionos.com Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp/rtrs')
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index cf3283acc8e8..7a0954aa24c8 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1356,8 +1356,10 @@ static struct rtrs_srv *get_or_create_srv(struct rtrs_srv_ctx *ctx,
* If this request is not the first connection request from the
* client for this session then fail and return error.
*/
- if (!first_conn)
+ if (!first_conn) {
+ pr_err_ratelimited("Error: Not the first connection request for this session\n");
return ERR_PTR(-ENXIO);
+ }
/* need to allocate a new srv */
srv = kzalloc(sizeof(*srv), GFP_KERNEL);
@@ -1812,6 +1814,7 @@ static int rtrs_rdma_connect(struct rdma_cm_id *cm_id,
srv = get_or_create_srv(ctx, &msg->paths_uuid, msg->first_conn);
if (IS_ERR(srv)) {
err = PTR_ERR(srv);
+ pr_err("get_or_create_srv(), error %d\n", err);
goto reject_w_err;
}
mutex_lock(&srv->paths_mutex);
@@ -1850,11 +1853,13 @@ static int rtrs_rdma_connect(struct rdma_cm_id *cm_id,
mutex_unlock(&srv->paths_mutex);
put_srv(srv);
err = PTR_ERR(sess);
+ pr_err("RTRS server session allocation failed: %d\n", err);
goto reject_w_err;
}
}
err = create_con(sess, cm_id, cid);
if (err) {
+ rtrs_err((&sess->s), "create_con(), error %d\n", err);
(void)rtrs_rdma_do_reject(cm_id, err);
/*
* Since session has other connections we follow normal way
@@ -1865,6 +1870,7 @@ static int rtrs_rdma_connect(struct rdma_cm_id *cm_id,
}
err = rtrs_rdma_do_accept(sess, cm_id);
if (err) {
+ rtrs_err((&sess->s), "rtrs_rdma_do_accept(), error %d\n", err);
(void)rtrs_rdma_do_reject(cm_id, err);
/*
* Since current connection was successfully added to the