ife_encode         11 include/net/ife.h void *ife_encode(struct sk_buff *skb, u16 metalen);
ife_encode         64 net/ife/ife.c  EXPORT_SYMBOL_GPL(ife_encode);
ife_encode        806 net/sched/act_ife.c 	ife_meta = ife_encode(skb, metalen);