111 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_twsk_unique()  local
127 		tp->write_seq = tcptw->tw_snd_nxt + 65535 + 2;  in tcp_twsk_unique()
128 		if (tp->write_seq == 0)  in tcp_twsk_unique()
129 			tp->write_seq = 1;  in tcp_twsk_unique()
130 		tp->rx_opt.ts_recent	   = tcptw->tw_ts_recent;  in tcp_twsk_unique()
131 		tp->rx_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp;  in tcp_twsk_unique()
145 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_v4_connect()  local
194 	if (tp->rx_opt.ts_recent_stamp && inet->inet_daddr != daddr) {  in tcp_v4_connect()
196 		tp->rx_opt.ts_recent	   = 0;  in tcp_v4_connect()
197 		tp->rx_opt.ts_recent_stamp = 0;  in tcp_v4_connect()
198 		if (likely(!tp->repair))  in tcp_v4_connect()
199 			tp->write_seq	   = 0;  in tcp_v4_connect()
203 	    !tp->rx_opt.ts_recent_stamp && fl4->daddr == daddr)  in tcp_v4_connect()
213 	tp->rx_opt.mss_clamp = TCP_MSS_DEFAULT;  in tcp_v4_connect()
238 	if (!tp->write_seq && likely(!tp->repair))  in tcp_v4_connect()
239 		tp->write_seq = secure_tcp_sequence_number(inet->inet_saddr,  in tcp_v4_connect()
244 	inet->inet_id = tp->write_seq ^ jiffies;  in tcp_v4_connect()
362 	struct tcp_sock *tp;  in tcp_v4_err()  local
408 	tp = tcp_sk(sk);  in tcp_v4_err()
410 	fastopen = tp->fastopen_rsk;  in tcp_v4_err()
411 	snd_una = fastopen ? tcp_rsk(fastopen)->snt_isn : tp->snd_una;  in tcp_v4_err()
413 	    !between(seq, snd_una, tp->snd_nxt)) {  in tcp_v4_err()
440 			tp->mtu_info = info;  in tcp_v4_err()
444 				if (!test_and_set_bit(TCP_MTU_REDUCED_DEFERRED, &tp->tsq_flags))  in tcp_v4_err()
455 		if (seq != tp->snd_una  || !icsk->icsk_retransmits ||  in tcp_v4_err()
463 		icsk->icsk_rto = tp->srtt_us ? __tcp_set_rto(tp) :  in tcp_v4_err()
875 	const struct tcp_sock *tp = tcp_sk(sk);  in tcp_md5_do_lookup()  local
881 	md5sig = rcu_dereference_check(tp->md5sig_info,  in tcp_md5_do_lookup()
916 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_md5_do_add()  local
927 	md5sig = rcu_dereference_protected(tp->md5sig_info,  in tcp_md5_do_add()
937 		rcu_assign_pointer(tp->md5sig_info, md5sig);  in tcp_md5_do_add()
975 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_clear_md5_list()  local
980 	md5sig = rcu_dereference_protected(tp->md5sig_info, 1);  in tcp_clear_md5_list()
1497 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_prequeue()  local
1499 	if (sysctl_tcp_low_latency || !tp->ucopy.task)  in tcp_prequeue()
1503 	    skb_queue_len(&tp->ucopy.prequeue) == 0)  in tcp_prequeue()
1517 	__skb_queue_tail(&tp->ucopy.prequeue, skb);  in tcp_prequeue()
1518 	tp->ucopy.memory += skb->truesize;  in tcp_prequeue()
1519 	if (tp->ucopy.memory > sk->sk_rcvbuf) {  in tcp_prequeue()
1524 		while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {  in tcp_prequeue()
1530 		tp->ucopy.memory = 0;  in tcp_prequeue()
1531 	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {  in tcp_prequeue()
1776 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_v4_destroy_sock()  local
1786 	__skb_queue_purge(&tp->out_of_order_queue);  in tcp_v4_destroy_sock()
1790 	if (tp->md5sig_info) {  in tcp_v4_destroy_sock()
1792 		kfree_rcu(tp->md5sig_info, rcu);  in tcp_v4_destroy_sock()
1793 		tp->md5sig_info = NULL;  in tcp_v4_destroy_sock()
1798 	__skb_queue_purge(&tp->ucopy.prequeue);  in tcp_v4_destroy_sock()
1804 	BUG_ON(tp->fastopen_rsk);  in tcp_v4_destroy_sock()
1807 	tcp_free_fastopen_req(tp);  in tcp_v4_destroy_sock()
2191 	const struct tcp_sock *tp = tcp_sk(sk);  in get_tcp4_sock()  local
2223 		rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);  in get_tcp4_sock()
2228 		tp->write_seq - tp->snd_una,  in get_tcp4_sock()
2240 		tp->snd_cwnd,  in get_tcp4_sock()
2243 		    (tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh));  in get_tcp4_sock()