31 	const struct tcp_sock *tp = tcp_sk(sk);  in tcp_clamp_rto_to_user_timeout()  local
39 	elapsed = tcp_time_stamp_ts(tp) - tp->retrans_stamp;  in tcp_clamp_rto_to_user_timeout()
40 	if (tp->tcp_usec_ts)  in tcp_clamp_rto_to_user_timeout()
109 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_out_of_resources()  local
114 	if ((s32)(tcp_jiffies32 - tp->lsndtime) > 2*tcp_rto_max(sk) || !do_reset)  in tcp_out_of_resources()
124 		if ((s32)(tcp_jiffies32 - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||  in tcp_out_of_resources()
126 		    (!tp->snd_wnd && !tp->packets_out))  in tcp_out_of_resources()
219 	struct tcp_sock *tp = tcp_sk(sk);  in retransmits_timed_out()  local
225 	start_ts = tp->retrans_stamp;  in retransmits_timed_out()
234 	if (tp->tcp_usec_ts) {  in retransmits_timed_out()
236 		delta = tp->tcp_mstamp - start_ts + jiffies_to_usecs(1);  in retransmits_timed_out()
239 	return (s32)(tcp_time_stamp_ts(tp) - start_ts - timeout) >= 0;  in retransmits_timed_out()
246 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_write_timeout()  local
289 	if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RTO_CB_FLAG))  in tcp_write_timeout()
301 		WRITE_ONCE(tp->timeout_rehash, tp->timeout_rehash + 1);  in tcp_write_timeout()
312 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_delack_timer_handler()  local
318 	if (tp->compressed_ack) {  in tcp_delack_timer_handler()
319 		tcp_mstamp_refresh(tp);  in tcp_delack_timer_handler()
347 		tcp_mstamp_refresh(tp);  in tcp_delack_timer_handler()
395 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_probe_timer()  local
398 	if (tp->packets_out || !skb) {  in tcp_probe_timer()
445 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_update_rto_stats()  local
448 		tp->total_rto_recoveries++;  in tcp_update_rto_stats()
449 		tp->rto_stamp = tcp_time_stamp_ms(tp);  in tcp_update_rto_stats()
452 	tp->total_rto++;  in tcp_update_rto_stats()
462 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_fastopen_synack_timer()  local
490 	if (!tp->retrans_stamp)  in tcp_fastopen_synack_timer()
491 		tp->retrans_stamp = tcp_time_stamp_ts(tp);  in tcp_fastopen_synack_timer()
502 	const struct tcp_sock *tp = tcp_sk(sk);  in tcp_rtx_probe0_timed_out()  local
519 	rcv_delta = tcp_timeout_expires(sk) - tp->rcv_tstamp;  in tcp_rtx_probe0_timed_out()
539 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_retransmit_timer()  local
545 	req = rcu_dereference_protected(tp->fastopen_rsk,  in tcp_retransmit_timer()
557 	if (!tp->packets_out)  in tcp_retransmit_timer()
564 	if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&  in tcp_retransmit_timer()
574 		rtx_delta = tcp_time_stamp_ts(tp) - (tp->retrans_stamp ?:   in tcp_retransmit_timer()
575 				tcp_skb_timestamp_ts(tp->tcp_usec_ts, skb));  in tcp_retransmit_timer()
576 		if (tp->tcp_usec_ts)  in tcp_retransmit_timer()
582 				inet->inet_num, tp->snd_una, tp->snd_nxt,  in tcp_retransmit_timer()
583 				jiffies_to_msecs(jiffies - tp->rcv_tstamp),  in tcp_retransmit_timer()
590 				inet->inet_num, tp->snd_una, tp->snd_nxt,  in tcp_retransmit_timer()
591 				jiffies_to_msecs(jiffies - tp->rcv_tstamp),  in tcp_retransmit_timer()
613 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
620 			   tp->sacked_out) {  in tcp_retransmit_timer()
621 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
670 	    (tp->thin_lto || READ_ONCE(net->ipv4.sysctl_tcp_thin_linear_timeouts)) &&  in tcp_retransmit_timer()
671 	    tcp_stream_is_thin(tp) &&  in tcp_retransmit_timer()
674 		icsk->icsk_rto = clamp(__tcp_set_rto(tp),  in tcp_retransmit_timer()
678 		   tp->total_rto >  in tcp_retransmit_timer()
786 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_keepalive_timer()  local
802 	tcp_mstamp_refresh(tp);  in tcp_keepalive_timer()
804 		if (READ_ONCE(tp->linger2) >= 0) {  in tcp_keepalive_timer()
820 	elapsed = keepalive_time_when(tp);  in tcp_keepalive_timer()
823 	if (tp->packets_out || !tcp_write_queue_empty(sk))  in tcp_keepalive_timer()
826 	elapsed = keepalive_time_elapsed(tp);  in tcp_keepalive_timer()
828 	if (elapsed >= keepalive_time_when(tp)) {  in tcp_keepalive_timer()
838 		    icsk->icsk_probes_out >= keepalive_probes(tp))) {  in tcp_keepalive_timer()
846 			elapsed = keepalive_intvl_when(tp);  in tcp_keepalive_timer()
855 		elapsed = keepalive_time_when(tp) - elapsed;  in tcp_keepalive_timer()
872 	struct tcp_sock *tp = container_of(timer, struct tcp_sock, compressed_ack_timer);  in tcp_compressed_ack_kick()  local
873 	struct sock *sk = (struct sock *)tp;  in tcp_compressed_ack_kick()
877 		if (tp->compressed_ack) {  in tcp_compressed_ack_kick()
882 			tp->compressed_ack--;  in tcp_compressed_ack_kick()
883 			tcp_mstamp_refresh(tp);  in tcp_compressed_ack_kick()