ofproto: Optionally flush all learning tables with appctl.

Signed-off-by: Ethan Jackson <ethan@nicira.com>

1 files changed, 16 insertions, 9 deletions

diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c
index d5ada4ca..dc857435 100644
--- a/ofproto/ofproto-dpif.c
+++ b/ofproto/ofproto-dpif.c
@@ -5590,17 +5590,24 @@ ofproto_dpif_lookup(const char *name)
 
 static void
 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn,
-                         const char *args, void *aux OVS_UNUSED)
+                          const char *args, void *aux OVS_UNUSED)
 {
     struct ofproto_dpif *ofproto;
 
-    ofproto = ofproto_dpif_lookup(args);
-    if (!ofproto) {
-        unixctl_command_reply(conn, 501, "no such bridge");
-        return;
+    if (args[0] != '\0') {
+        ofproto = ofproto_dpif_lookup(args);
+        if (!ofproto) {
+            unixctl_command_reply(conn, 501, "no such bridge");
+            return;
+        }
+        mac_learning_flush(ofproto->ml);
+        ofproto->need_revalidate = true;
+    } else {
+        HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+            mac_learning_flush(ofproto->ml);
+            ofproto->need_revalidate = true;
+        }
     }
-    mac_learning_flush(ofproto->ml);
-    ofproto->need_revalidate = true;
 
     unixctl_command_reply(conn, 200, "table successfully flushed");
 }
@@ -5865,8 +5872,8 @@ ofproto_dpif_unixctl_init(void)
     unixctl_command_register("ofproto/trace",
                       "bridge {tun_id in_port packet | odp_flow [-generate]}",
                       ofproto_unixctl_trace, NULL);
-    unixctl_command_register("fdb/flush", "bridge", ofproto_unixctl_fdb_flush,
-                             NULL);
+    unixctl_command_register("fdb/flush", "[bridge]",
+                             ofproto_unixctl_fdb_flush, NULL);
     unixctl_command_register("fdb/show", "bridge", ofproto_unixctl_fdb_show,
                              NULL);
     unixctl_command_register("ofproto/clog", "", ofproto_dpif_clog, NULL);