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Diffstat (limited to 'net/rds/rdma_transport.c')
-rw-r--r--net/rds/rdma_transport.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index e599ba2f950..4195a053982 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -36,6 +36,34 @@
static struct rdma_cm_id *rds_rdma_listen_id;
+static char *rds_cm_event_strings[] = {
+#define RDS_CM_EVENT_STRING(foo) \
+ [RDMA_CM_EVENT_##foo] = __stringify(RDMA_CM_EVENT_##foo)
+ RDS_CM_EVENT_STRING(ADDR_RESOLVED),
+ RDS_CM_EVENT_STRING(ADDR_ERROR),
+ RDS_CM_EVENT_STRING(ROUTE_RESOLVED),
+ RDS_CM_EVENT_STRING(ROUTE_ERROR),
+ RDS_CM_EVENT_STRING(CONNECT_REQUEST),
+ RDS_CM_EVENT_STRING(CONNECT_RESPONSE),
+ RDS_CM_EVENT_STRING(CONNECT_ERROR),
+ RDS_CM_EVENT_STRING(UNREACHABLE),
+ RDS_CM_EVENT_STRING(REJECTED),
+ RDS_CM_EVENT_STRING(ESTABLISHED),
+ RDS_CM_EVENT_STRING(DISCONNECTED),
+ RDS_CM_EVENT_STRING(DEVICE_REMOVAL),
+ RDS_CM_EVENT_STRING(MULTICAST_JOIN),
+ RDS_CM_EVENT_STRING(MULTICAST_ERROR),
+ RDS_CM_EVENT_STRING(ADDR_CHANGE),
+ RDS_CM_EVENT_STRING(TIMEWAIT_EXIT),
+#undef RDS_CM_EVENT_STRING
+};
+
+static char *rds_cm_event_str(enum rdma_cm_event_type type)
+{
+ return rds_str_array(rds_cm_event_strings,
+ ARRAY_SIZE(rds_cm_event_strings), type);
+};
+
int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
@@ -44,8 +72,8 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rds_transport *trans;
int ret = 0;
- rdsdebug("conn %p id %p handling event %u\n", conn, cm_id,
- event->event);
+ rdsdebug("conn %p id %p handling event %u (%s)\n", conn, cm_id,
+ event->event, rds_cm_event_str(event->event));
if (cm_id->device->node_type == RDMA_NODE_RNIC)
trans = &rds_iw_transport;
@@ -109,7 +137,8 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
default:
/* things like device disconnect? */
- printk(KERN_ERR "RDS: unknown event %u!\n", event->event);
+ printk(KERN_ERR "RDS: unknown event %u (%s)!\n",
+ event->event, rds_cm_event_str(event->event));
break;
}
@@ -117,12 +146,13 @@ out:
if (conn)
mutex_unlock(&conn->c_cm_lock);
- rdsdebug("id %p event %u handling ret %d\n", cm_id, event->event, ret);
+ rdsdebug("id %p event %u (%s) handling ret %d\n", cm_id, event->event,
+ rds_cm_event_str(event->event), ret);
return ret;
}
-static int __init rds_rdma_listen_init(void)
+static int rds_rdma_listen_init(void)
{
struct sockaddr_in sin;
struct rdma_cm_id *cm_id;
@@ -177,7 +207,7 @@ static void rds_rdma_listen_stop(void)
}
}
-int __init rds_rdma_init(void)
+static int rds_rdma_init(void)
{
int ret;
@@ -204,7 +234,7 @@ out:
}
module_init(rds_rdma_init);
-void rds_rdma_exit(void)
+static void rds_rdma_exit(void)
{
/* stop listening first to ensure no new connections are attempted */
rds_rdma_listen_stop();