set the igmp snooping option for bridges

[project/netifd.git] / system-linux.c

diff --git a/system-linux.c b/system-linux.c
index 2425445..3d6230d 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -99,12 +99,17 @@ static void system_set_sysctl(const char *path, const char *val)
        close(fd);
 }
 
-static void system_set_disable_ipv6(struct device *dev, const char *val)
+static void system_set_dev_sysctl(const char *path, const char *device, const char *val)
 {
        char buf[256];
 
-       snprintf(buf, sizeof(buf), "/proc/sys/net/ipv6/conf/%s/disable_ipv6", dev->ifname);
-       system_set_sysctl(buf, "0");
+       snprintf(buf, sizeof(buf), path, val);
+       system_set_sysctl(buf, val);
+}
+
+static void system_set_disable_ipv6(struct device *dev, const char *val)
+{
+       system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/disable_ipv6", dev->ifname, val);
 }
 
 // Evaluate netlink messages
@@ -411,6 +416,9 @@ int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
        args[1] = sec_to_jiffies(cfg->forward_delay);
        system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args);
 
+       system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_snooping",
+               bridge->ifname, cfg->igmp_snoop ? "1" : "0");
+
        if (cfg->flags & BRIDGE_OPT_AGEING_TIME) {
                args[0] = BRCTL_SET_AGEING_TIME;
                args[1] = sec_to_jiffies(cfg->ageing_time);