X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=bridge.c;h=fd553dcfac63f5127821ac94164d9386386350aa;hp=4291e7c1af9d00a1b6562fee2ff4e4264de30e97;hb=9cb272f5b12cf23205f361244a9ceef1097d3cba;hpb=fb2f843edf44c6f12b636cd82cdd1c71e953495f

diff --git a/bridge.c b/bridge.c
index 4291e7c..fd553dc 100644
--- a/bridge.c
+++ b/bridge.c
@@ -32,6 +32,7 @@ enum {
 	BRIDGE_ATTR_HELLO_TIME,
 	BRIDGE_ATTR_MAX_AGE,
 	BRIDGE_ATTR_BRIDGE_EMPTY,
+	BRIDGE_ATTR_MULTICAST_QUERIER,
 	__BRIDGE_ATTR_MAX
 };
 
@@ -45,6 +46,7 @@ static const struct blobmsg_policy bridge_attrs[__BRIDGE_ATTR_MAX] = {
 	[BRIDGE_ATTR_MAX_AGE] = { "max_age", BLOBMSG_TYPE_INT32 },
 	[BRIDGE_ATTR_IGMP_SNOOP] = { "igmp_snooping", BLOBMSG_TYPE_BOOL },
 	[BRIDGE_ATTR_BRIDGE_EMPTY] = { "bridge_empty", BLOBMSG_TYPE_BOOL },
+	[BRIDGE_ATTR_MULTICAST_QUERIER] = { "multicast_querier", BLOBMSG_TYPE_BOOL },
 };
 
 static const struct uci_blob_param_info bridge_attr_info[__BRIDGE_ATTR_MAX] = {
@@ -148,6 +150,32 @@ bridge_disable_member(struct bridge_member *bm)
 }
 
 static int
+bridge_enable_interface(struct bridge_state *bst)
+{
+	int ret;
+
+	if (bst->active)
+		return 0;
+
+	ret = system_bridge_addbr(&bst->dev, &bst->config);
+	if (ret < 0)
+		return ret;
+
+	bst->active = true;
+	return 0;
+}
+
+static void
+bridge_disable_interface(struct bridge_state *bst)
+{
+	if (!bst->active)
+		return;
+
+	system_bridge_delbr(&bst->dev);
+	bst->active = false;
+}
+
+static int
 bridge_enable_member(struct bridge_member *bm)
 {
 	struct bridge_state *bst = bm->bst;
@@ -156,6 +184,10 @@ bridge_enable_member(struct bridge_member *bm)
 	if (!bm->present)
 		return 0;
 
+	ret = bridge_enable_interface(bst);
+	if (ret)
+		goto error;
+
 	/* Disable IPv6 for bridge members */
 	if (!(bm->dev.dev->settings.flags & DEV_OPT_IPV6)) {
 		bm->dev.dev->settings.ipv6 = 0;
@@ -172,6 +204,7 @@ bridge_enable_member(struct bridge_member *bm)
 		goto error;
 	}
 
+	device_set_present(&bst->dev, true);
 	device_broadcast_event(&bst->dev, DEV_EVENT_TOPO_CHANGE);
 
 	return 0;
@@ -293,7 +326,7 @@ bridge_set_down(struct bridge_state *bst)
 	vlist_for_each_element(&bst->members, bm, node)
 		bridge_disable_member(bm);
 
-	system_bridge_delbr(&bst->dev);
+	bridge_disable_interface(bst);
 
 	return 0;
 }
@@ -304,12 +337,14 @@ bridge_set_up(struct bridge_state *bst)
 	struct bridge_member *bm;
 	int ret;
 
-	if (!bst->force_active && !bst->n_present)
-		return -ENOENT;
+	if (!bst->n_present) {
+		if (!bst->force_active)
+			return -ENOENT;
 
-	ret = system_bridge_addbr(&bst->dev, &bst->config);
-	if (ret < 0)
-		goto out;
+		ret = bridge_enable_interface(bst);
+		if (ret)
+			return ret;
+	}
 
 	bst->n_failed = 0;
 	vlist_for_each_element(&bst->members, bm, node)
@@ -318,7 +353,7 @@ bridge_set_up(struct bridge_state *bst)
 
 	if (!bst->force_active && !bst->n_present) {
 		/* initialization of all member interfaces failed */
-		system_bridge_delbr(&bst->dev);
+		bridge_disable_interface(bst);
 		device_set_present(&bst->dev, false);
 		return -ENOENT;
 	}
@@ -328,7 +363,6 @@ bridge_set_up(struct bridge_state *bst)
 	if (ret < 0)
 		bridge_set_down(bst);
 
-out:
 	return ret;
 }
 
@@ -459,6 +493,7 @@ bridge_free(struct device *dev)
 
 	bst = container_of(dev, struct bridge_state, dev);
 	vlist_flush_all(&bst->members);
+	free(bst->config_data);
 	free(bst);
 }
 
@@ -515,6 +550,7 @@ bridge_apply_settings(struct bridge_state *bst, struct blob_attr **tb)
 	cfg->stp = false;
 	cfg->forward_delay = 2;
 	cfg->igmp_snoop = true;
+	cfg->multicast_querier = true;
 	cfg->bridge_empty = false;
 	cfg->priority = 0x7FFF;
 
@@ -528,7 +564,10 @@ bridge_apply_settings(struct bridge_state *bst, struct blob_attr **tb)
 		cfg->priority = blobmsg_get_u32(cur);
 
 	if ((cur = tb[BRIDGE_ATTR_IGMP_SNOOP]))
-		cfg->igmp_snoop = blobmsg_get_bool(cur);
+		cfg->multicast_querier = cfg->igmp_snoop = blobmsg_get_bool(cur);
+
+	if ((cur = tb[BRIDGE_ATTR_MULTICAST_QUERIER]))
+		cfg->multicast_querier = blobmsg_get_bool(cur);
 
 	if ((cur = tb[BRIDGE_ATTR_AGEING_TIME])) {
 		cfg->ageing_time = blobmsg_get_u32(cur);
@@ -562,6 +601,7 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 	BUILD_BUG_ON(sizeof(diff) < __DEV_ATTR_MAX / 8);
 
 	bst = container_of(dev, struct bridge_state, dev);
+	attr = blob_memdup(attr);
 
 	blobmsg_parse(device_attr_list.params, __DEV_ATTR_MAX, tb_dev,
 		blob_data(attr), blob_len(attr));
@@ -581,7 +621,7 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 
 		diff = 0;
 		uci_blob_diff(tb_dev, otb_dev, &device_attr_list, &diff);
-		if (diff & ~(1 << DEV_ATTR_IFNAME))
+		if (diff)
 		    ret = DEV_CONFIG_RESTART;
 
 		blobmsg_parse(bridge_attrs, __BRIDGE_ATTR_MAX, otb_br,
@@ -595,6 +635,7 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 		bridge_config_init(dev);
 	}
 
+	free(bst->config_data);
 	bst->config_data = attr;
 	return ret;
 }
@@ -614,6 +655,7 @@ bridge_retry_members(struct uloop_timeout *timeout)
 			continue;
 
 		bm->present = true;
+		bst->n_present++;
 		bridge_enable_member(bm);
 	}
 }