X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=bridge.c;h=5337e3a60a8913b9a706957b19351c26392d4b71;hp=1b9e6bd8d1083f7d4b7dc590883671f3078f8a79;hb=b7e1b35ff18a759a54e4033d04a3550499dd9fc1;hpb=43c2934a4d3f9a3e9d7fc2a4e9a32a2bef7174ba

diff --git a/bridge.c b/bridge.c
index 1b9e6bd..5337e3a 100644
--- a/bridge.c
+++ b/bridge.c
@@ -65,6 +65,7 @@ struct bridge_state {
 	struct bridge_config config;
 	struct blob_attr *ifnames;
 	bool active;
+	bool force_active;
 
 	struct list_head members;
 	int n_present;
@@ -119,6 +120,24 @@ error:
 }
 
 static void
+bridge_remove_member(struct bridge_member *bm)
+{
+	struct bridge_state *bst = bm->bst;
+
+	if (!bm->present)
+		return;
+
+	bm->present = false;
+	bm->bst->n_present--;
+	if (bst->dev.active)
+		bridge_disable_member(bm);
+
+	bst->force_active = false;
+	if (bst->n_present == 0)
+		device_set_present(&bst->dev, false);
+}
+
+static void
 bridge_member_cb(struct device_user *dev, enum device_event ev)
 {
 	struct bridge_member *bm = container_of(dev, struct bridge_member, dev);
@@ -141,16 +160,11 @@ bridge_member_cb(struct device_user *dev, enum device_event ev)
 		if (!bm->present)
 			return;
 
-		if (bst->dev.active)
-			bridge_disable_member(bm);
-
-		bm->present = false;
-		bm->bst->n_present--;
-		if (bst->n_present == 0)
-			device_set_present(&bst->dev, false);
-
 		if (dev->hotplug)
 			bridge_free_member(bm);
+		else
+			bridge_remove_member(bm);
+
 		break;
 	default:
 		return;
@@ -178,7 +192,7 @@ bridge_set_up(struct bridge_state *bst)
 	struct bridge_member *bm;
 	int ret;
 
-	if (!bst->n_present)
+	if (!bst->force_active && !bst->n_present)
 		return -ENOENT;
 
 	ret = system_bridge_addbr(&bst->dev, &bst->config);
@@ -188,7 +202,7 @@ bridge_set_up(struct bridge_state *bst)
 	list_for_each_entry(bm, &bst->members, list)
 		bridge_enable_member(bm);
 
-	if (!bst->n_present) {
+	if (!bst->force_active && !bst->n_present) {
 		/* initialization of all member interfaces failed */
 		system_bridge_delbr(&bst->dev);
 		device_set_present(&bst->dev, false);
@@ -224,26 +238,20 @@ bridge_create_member(struct bridge_state *bst, struct device *dev, bool hotplug)
 	bm = calloc(1, sizeof(*bm));
 	bm->bst = bst;
 	bm->dev.cb = bridge_member_cb;
-	device_add_user(&bm->dev, dev);
 	bm->dev.hotplug = hotplug;
-
 	list_add_tail(&bm->list, &bst->members);
 
+	device_add_user(&bm->dev, dev);
+
 	return bm;
 }
 
 static void
 bridge_free_member(struct bridge_member *bm)
 {
-	if (bm->present) {
-		bridge_member_cb(&bm->dev, DEV_EVENT_REMOVE);
-		bm->bst->n_present--;
-		if (bm->bst->dev.active)
-			bridge_disable_member(bm);
-	}
-
-	list_del(&bm->list);
+	bridge_remove_member(bm);
 	device_remove_user(&bm->dev);
+	list_del(&bm->list);
 	free(bm);
 }
 
@@ -283,10 +291,23 @@ bridge_hotplug_del(struct device *dev, struct device *member)
 		return 0;
 	}
 
-	return -ENOENT;
+	return UBUS_STATUS_NOT_FOUND;
+}
+
+static int
+bridge_hotplug_prepare(struct device *dev)
+{
+	struct bridge_state *bst;
+
+	bst = container_of(dev, struct bridge_state, dev);
+	bst->force_active = true;
+	device_set_present(&bst->dev, true);
+
+	return 0;
 }
 
 static const struct device_hotplug_ops bridge_ops = {
+	.prepare = bridge_hotplug_prepare,
 	.add = bridge_hotplug_add,
 	.del = bridge_hotplug_del
 };
@@ -330,6 +351,10 @@ bridge_config_init(struct device *dev)
 	int rem;
 
 	bst = container_of(dev, struct bridge_state, dev);
+
+	if (!bst->ifnames)
+		return;
+
 	blobmsg_for_each_attr(cur, bst->ifnames, rem) {
 		bridge_add_member(bst, blobmsg_data(cur));
 	}
@@ -384,9 +409,6 @@ bridge_create(const char *name, struct blob_attr *attr)
 	blobmsg_parse(bridge_attrs, __BRIDGE_ATTR_MAX, tb_br,
 		blob_data(attr), blob_len(attr));
 
-	if (!tb_br[BRIDGE_ATTR_IFNAME])
-		return NULL;
-
 	bst = calloc(1, sizeof(*bst));
 	if (!bst)
 		return NULL;