X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=bridge.c;h=361b409b8de9167fb340fa625d94c5d981446603;hp=da07d9c855214dbf89e6a2c65e62df7e8d4734d5;hb=44c23888ad36a340ed6314728e073873240fcf0d;hpb=49bf4946296b22f7c26594ac310879d6059344d4

diff --git a/bridge.c b/bridge.c
index da07d9c..361b409 100644
--- a/bridge.c
+++ b/bridge.c
@@ -1,3 +1,16 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -71,6 +84,7 @@ struct bridge_state {
 	bool active;
 	bool force_active;
 
+	struct bridge_member *primary_port;
 	struct vlist_tree members;
 	int n_present;
 };
@@ -83,6 +97,28 @@ struct bridge_member {
 	char name[];
 };
 
+static void
+bridge_reset_primary(struct bridge_state *bst)
+{
+	struct bridge_member *bm;
+
+	if (!bst->primary_port &&
+	    (bst->dev.settings.flags & DEV_OPT_MACADDR))
+		return;
+
+	bst->primary_port = NULL;
+	bst->dev.settings.flags &= ~DEV_OPT_MACADDR;
+	vlist_for_each_element(&bst->members, bm, node) {
+		if (!bm->present)
+			continue;
+
+		bst->primary_port = bm;
+		memcpy(bst->dev.settings.macaddr, bm->dev.dev->settings.macaddr, 6);
+		bst->dev.settings.flags |= DEV_OPT_MACADDR;
+		return;
+	}
+}
+
 static int
 bridge_disable_member(struct bridge_member *bm)
 {
@@ -132,6 +168,9 @@ bridge_remove_member(struct bridge_member *bm)
 	if (!bm->present)
 		return;
 
+	if (bm == bst->primary_port);
+		bridge_reset_primary(bst);
+
 	if (bst->dev.active)
 		bridge_disable_member(bm);
 
@@ -215,6 +254,7 @@ bridge_set_up(struct bridge_state *bst)
 		return -ENOENT;
 	}
 
+	bridge_reset_primary(bst);
 	ret = bst->set_state(&bst->dev, true);
 	if (ret < 0)
 		bridge_set_down(bst);