__vlan_insert_inner_tag 384 include/linux/if_vlan.h return __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, ETH_HLEN); __vlan_insert_inner_tag 409 include/linux/if_vlan.h err = __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, mac_len);