104 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_out_of_resources()  local
109 	if ((s32)(tcp_jiffies32 - tp->lsndtime) > 2*TCP_RTO_MAX || !do_reset)  in tcp_out_of_resources()
119 		if ((s32)(tcp_jiffies32 - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||  in tcp_out_of_resources()
121 		    (!tp->snd_wnd && !tp->packets_out))  in tcp_out_of_resources()
234 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_write_timeout()  local
270 	if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RTO_CB_FLAG))  in tcp_write_timeout()
282 		tp->timeout_rehash++;  in tcp_write_timeout()
360 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_probe_timer()  local
363 	if (tp->packets_out || !skb) {  in tcp_probe_timer()
410 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_fastopen_synack_timer()  local
434 	if (!tp->retrans_stamp)  in tcp_fastopen_synack_timer()
435 		tp->retrans_stamp = tcp_time_stamp(tp);  in tcp_fastopen_synack_timer()
443 	const struct tcp_sock *tp = tcp_sk(sk);  in tcp_rtx_probe0_timed_out()  local
447 	rcv_delta = inet_csk(sk)->icsk_timeout - tp->rcv_tstamp;  in tcp_rtx_probe0_timed_out()
451 	rtx_delta = (u32)msecs_to_jiffies(tcp_time_stamp(tp) -  in tcp_rtx_probe0_timed_out()
452 			(tp->retrans_stamp ?: tcp_skb_timestamp(skb)));  in tcp_rtx_probe0_timed_out()
470 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_retransmit_timer()  local
476 	req = rcu_dereference_protected(tp->fastopen_rsk,  in tcp_retransmit_timer()
488 	if (!tp->packets_out)  in tcp_retransmit_timer()
495 	tp->tlp_high_seq = 0;  in tcp_retransmit_timer()
497 	if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&  in tcp_retransmit_timer()
510 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
518 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
539 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
546 			   tp->sacked_out) {  in tcp_retransmit_timer()
547 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
597 	    (tp->thin_lto || READ_ONCE(net->ipv4.sysctl_tcp_thin_linear_timeouts)) &&  in tcp_retransmit_timer()
598 	    tcp_stream_is_thin(tp) &&  in tcp_retransmit_timer()
601 		icsk->icsk_rto = clamp(__tcp_set_rto(tp),  in tcp_retransmit_timer()
699 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_keepalive_timer()  local
715 	tcp_mstamp_refresh(tp);  in tcp_keepalive_timer()
717 		if (tp->linger2 >= 0) {  in tcp_keepalive_timer()
733 	elapsed = keepalive_time_when(tp);  in tcp_keepalive_timer()
736 	if (tp->packets_out || !tcp_write_queue_empty(sk))  in tcp_keepalive_timer()
739 	elapsed = keepalive_time_elapsed(tp);  in tcp_keepalive_timer()
741 	if (elapsed >= keepalive_time_when(tp)) {  in tcp_keepalive_timer()
749 		    icsk->icsk_probes_out >= keepalive_probes(tp))) {  in tcp_keepalive_timer()
756 			elapsed = keepalive_intvl_when(tp);  in tcp_keepalive_timer()
765 		elapsed = keepalive_time_when(tp) - elapsed;  in tcp_keepalive_timer()
784 	struct tcp_sock *tp = container_of(timer, struct tcp_sock, compressed_ack_timer);  in tcp_compressed_ack_kick()  local
785 	struct sock *sk = (struct sock *)tp;  in tcp_compressed_ack_kick()
789 		if (tp->compressed_ack) {  in tcp_compressed_ack_kick()
794 			tp->compressed_ack--;  in tcp_compressed_ack_kick()