MAX_VLAN_ID
#define IS_VALID_VLAN(vlan) (vlan >= MIN_VLAN_ID && vlan < MAX_VLAN_ID)
if (vlan > MAX_VLAN_ID) {
MAX_VLAN_ID);
vlan = MAX_VLAN_ID;
struct netdev_hw_addr_list vlan_mcast_list[MAX_VLAN_ID];