315 void tcp_req_err(struct sock *sk, u32 seq)  in tcp_req_err()  argument
325 	if (seq != tcp_rsk(req)->snt_isn) {  in tcp_req_err()
369 	__u32 seq, snd_una;  in tcp_v4_err()  local
385 	seq = ntohl(th->seq);  in tcp_v4_err()
387 		return tcp_req_err(sk, seq);  in tcp_v4_err()
413 	    !between(seq, snd_una, tp->snd_nxt)) {  in tcp_v4_err()
455 		if (seq != tp->snd_una  || !icsk->icsk_retransmits ||  in tcp_v4_err()
616 		rep.th.seq = th->ack_seq;  in tcp_v4_send_reset()
619 		rep.th.ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin +  in tcp_v4_send_reset()
709 			    struct sk_buff *skb, u32 seq, u32 ack,  in tcp_v4_send_ack()  argument
743 	rep.th.seq     = htonl(seq);  in tcp_v4_send_ack()
805 	u32 seq = (sk->sk_state == TCP_LISTEN) ? tcp_rsk(req)->snt_isn + 1 :  in tcp_v4_reqsk_send_ack()  local
808 	tcp_v4_send_ack(sock_net(sk), skb, seq,  in tcp_v4_reqsk_send_ack()
1588 	TCP_SKB_CB(skb)->seq = ntohl(th->seq);  in tcp_v4_rcv()
1589 	TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin +  in tcp_v4_rcv()
1822 static void *listening_get_next(struct seq_file *seq, void *cur)  in listening_get_next()  argument
1828 	struct tcp_iter_state *st = seq->private;  in listening_get_next()
1829 	struct net *net = seq_file_net(seq);  in listening_get_next()
1904 static void *listening_get_idx(struct seq_file *seq, loff_t *pos)  in listening_get_idx()  argument
1906 	struct tcp_iter_state *st = seq->private;  in listening_get_idx()
1911 	rc = listening_get_next(seq, NULL);  in listening_get_idx()
1914 		rc = listening_get_next(seq, rc);  in listening_get_idx()
1929 static void *established_get_first(struct seq_file *seq)  in established_get_first()  argument
1931 	struct tcp_iter_state *st = seq->private;  in established_get_first()
1932 	struct net *net = seq_file_net(seq);  in established_get_first()
1960 static void *established_get_next(struct seq_file *seq, void *cur)  in established_get_next()  argument
1964 	struct tcp_iter_state *st = seq->private;  in established_get_next()
1965 	struct net *net = seq_file_net(seq);  in established_get_next()
1979 	return established_get_first(seq);  in established_get_next()
1982 static void *established_get_idx(struct seq_file *seq, loff_t pos)  in established_get_idx()  argument
1984 	struct tcp_iter_state *st = seq->private;  in established_get_idx()
1988 	rc = established_get_first(seq);  in established_get_idx()
1991 		rc = established_get_next(seq, rc);  in established_get_idx()
1997 static void *tcp_get_idx(struct seq_file *seq, loff_t pos)  in tcp_get_idx()  argument
2000 	struct tcp_iter_state *st = seq->private;  in tcp_get_idx()
2003 	rc	  = listening_get_idx(seq, &pos);  in tcp_get_idx()
2007 		rc	  = established_get_idx(seq, pos);  in tcp_get_idx()
2013 static void *tcp_seek_last_pos(struct seq_file *seq)  in tcp_seek_last_pos()  argument
2015 	struct tcp_iter_state *st = seq->private;  in tcp_seek_last_pos()
2026 		rc = listening_get_next(seq, NULL);  in tcp_seek_last_pos()
2028 			rc = listening_get_next(seq, rc);  in tcp_seek_last_pos()
2037 		rc = established_get_first(seq);  in tcp_seek_last_pos()
2039 			rc = established_get_next(seq, rc);  in tcp_seek_last_pos()
2047 static void *tcp_seq_start(struct seq_file *seq, loff_t *pos)  in tcp_seq_start()  argument
2049 	struct tcp_iter_state *st = seq->private;  in tcp_seq_start()
2053 		rc = tcp_seek_last_pos(seq);  in tcp_seq_start()
2062 	rc = *pos ? tcp_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;  in tcp_seq_start()
2069 static void *tcp_seq_next(struct seq_file *seq, void *v, loff_t *pos)  in tcp_seq_next()  argument
2071 	struct tcp_iter_state *st = seq->private;  in tcp_seq_next()
2075 		rc = tcp_get_idx(seq, 0);  in tcp_seq_next()
2082 		rc = listening_get_next(seq, v);  in tcp_seq_next()
2087 			rc	  = established_get_first(seq);  in tcp_seq_next()
2091 		rc = established_get_next(seq, v);  in tcp_seq_next()
2100 static void tcp_seq_stop(struct seq_file *seq, void *v)  in tcp_seq_stop()  argument
2102 	struct tcp_iter_state *st = seq->private;  in tcp_seq_stop()
2267 static int tcp4_seq_show(struct seq_file *seq, void *v)  in tcp4_seq_show()  argument
2272 	seq_setwidth(seq, TMPSZ - 1);  in tcp4_seq_show()
2274 		seq_puts(seq, "  sl  local_address rem_address   st tx_queue "  in tcp4_seq_show()
2279 	st = seq->private;  in tcp4_seq_show()
2285 			get_timewait4_sock(v, seq, st->num);  in tcp4_seq_show()
2287 			get_tcp4_sock(v, seq, st->num);  in tcp4_seq_show()
2290 		get_openreq4(v, seq, st->num, st->uid);  in tcp4_seq_show()
2294 	seq_pad(seq, '\n');  in tcp4_seq_show()