diff options
author | Moni Shoua <monis@mellanox.com> | 2017-01-05 16:16:35 +0200 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2017-01-24 16:20:37 -0500 |
commit | 498683c6a7eec5e6ca4f8371d92061618f0827bc (patch) | |
tree | d05f90316fabc53a8a5881f55e448a4b31a740fa /drivers/infiniband/core/cma.c | |
parent | f7534f45dcbc1a2ecb486b019db0443188e957d6 (diff) |
IB/cma: Add debug messages to error flows
Print debug messages to the kernel log to add more
information about RDMA_CM events that indicate an error.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r-- | drivers/infiniband/core/cma.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index a14a18cfc8f3..37e464468539 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1693,6 +1693,7 @@ static int cma_rep_recv(struct rdma_id_private *id_priv) return 0; reject: + pr_debug_ratelimited("RDMA CM: CONNECT_ERROR: failed to handle reply. status %d\n", ret); cma_modify_qp_err(id_priv); ib_send_cm_rej(id_priv->cm_id.ib, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, NULL, 0); @@ -1764,6 +1765,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) /* ignore event */ goto out; case IB_CM_REJ_RECEIVED: + pr_debug_ratelimited("RDMA CM: REJECTED: %s\n", rdma_reject_msg(&id_priv->id, + ib_event->param.rej_rcvd.reason)); cma_modify_qp_err(id_priv); event.status = ib_event->param.rej_rcvd.reason; event.event = RDMA_CM_EVENT_REJECTED; @@ -2289,6 +2292,8 @@ static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec, work->new_state = RDMA_CM_ADDR_RESOLVED; work->event.event = RDMA_CM_EVENT_ROUTE_ERROR; work->event.status = status; + pr_debug_ratelimited("RDMA CM: ROUTE_ERROR: failed to query path. status %d\n", + status); } queue_work(cma_wq, &work->work); @@ -2724,8 +2729,14 @@ static void addr_handler(int status, struct sockaddr *src_addr, goto out; memcpy(cma_src_addr(id_priv), src_addr, rdma_addr_size(src_addr)); - if (!status && !id_priv->cma_dev) + if (!status && !id_priv->cma_dev) { status = cma_acquire_dev(id_priv, NULL); + if (status) + pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to acquire device. status %d\n", + status); + } else { + pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to resolve IP. status %d\n", status); + } if (status) { if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_RESOLVED, @@ -3311,10 +3322,13 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id, if (rep->status != IB_SIDR_SUCCESS) { event.event = RDMA_CM_EVENT_UNREACHABLE; event.status = ib_event->param.sidr_rep_rcvd.status; + pr_debug_ratelimited("RDMA CM: UNREACHABLE: bad SIDR reply. status %d\n", + event.status); break; } ret = cma_set_qkey(id_priv, rep->qkey); if (ret) { + pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to set qkey. status %d\n", ret); event.event = RDMA_CM_EVENT_ADDR_ERROR; event.status = ret; break; @@ -3763,10 +3777,17 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast) if (!status) status = cma_set_qkey(id_priv, be32_to_cpu(multicast->rec.qkey)); + else + pr_debug_ratelimited("RDMA CM: MULTICAST_ERROR: failed to join multicast. status %d\n", + status); mutex_lock(&id_priv->qp_mutex); - if (!status && id_priv->id.qp) + if (!status && id_priv->id.qp) { status = ib_attach_mcast(id_priv->id.qp, &multicast->rec.mgid, be16_to_cpu(multicast->rec.mlid)); + if (!status) + pr_debug_ratelimited("RDMA CM: MULTICAST_ERROR: failed to attach QP. status %d\n", + status); + } mutex_unlock(&id_priv->qp_mutex); memset(&event, 0, sizeof event); |