1 files changed, 41 insertions, 9 deletions

diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index e599ba2f950..6cd9d1deafc 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -30,12 +30,41 @@
  * SOFTWARE.
  *
  */
+#include <linux/module.h>
 #include <rdma/rdma_cm.h>
 
 #include "rdma_transport.h"
 
 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 +73,8 @@ 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 +138,8 @@ 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;
 	}
 
@@ -117,18 +147,20 @@ 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;
 	int ret;
 
-	cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP);
+	cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP,
+			       IB_QPT_RC);
 	if (IS_ERR(cm_id)) {
 		ret = PTR_ERR(cm_id);
 		printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
@@ -136,7 +168,7 @@ static int __init rds_rdma_listen_init(void)
 		return ret;
 	}
 
-	sin.sin_family = AF_INET,
+	sin.sin_family = AF_INET;
 	sin.sin_addr.s_addr = (__force u32)htonl(INADDR_ANY);
 	sin.sin_port = (__force u16)htons(RDS_PORT);
 
@@ -177,7 +209,7 @@ static void rds_rdma_listen_stop(void)
 	}
 }
 
-int __init rds_rdma_init(void)
+static int rds_rdma_init(void)
 {
 	int ret;
 
@@ -204,7 +236,7 @@ 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();