Return error message when a flow can't be added due to full tables.

[sliver-openvswitch.git] / switch / datapath.c

diff --git a/switch/datapath.c b/switch/datapath.c
index ce9c31e..9ec768d 100644 (file)
--- a/switch/datapath.c
+++ b/switch/datapath.c
@@ -1008,7 +1008,11 @@ add_flow(struct datapath *dp, const struct sender *sender,
 
     /* Act. */
     error = chain_insert(dp->chain, flow);
-    if (error) {
+    if (error == -ENOBUFS) {
+        dp_send_error_msg(dp, sender, OFPET_FLOW_MOD_FAILED, 
+                OFPFMFC_ALL_TABLES_FULL, ofm, ntohs(ofm->header.length));
+        goto error_free_flow; 
+    } else if (error) {
         goto error_free_flow; 
     }
     error = 0;