dfq 1608 net/tipc/link.c struct sk_buff_head *dfq = &l->deferdq; dfq 1622 net/tipc/link.c if (!skb_queue_empty(dfq)) dfq 1623 net/tipc/link.c rcvgap = buf_seqno(skb_peek(dfq)) - l->rcv_nxt;