65 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_out_of_resources()  local
70 	if ((s32)(tcp_time_stamp - tp->lsndtime) > 2*TCP_RTO_MAX || !do_reset)  in tcp_out_of_resources()
80 		if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||  in tcp_out_of_resources()
82 		    (!tp->snd_wnd && !tp->packets_out))  in tcp_out_of_resources()
129 			struct tcp_sock *tp = tcp_sk(sk);  in tcp_mtu_probing()  local
134 			mss = max(mss, 68 - tp->tcp_header_len);  in tcp_mtu_probing()
178 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_write_timeout()  local
185 			if (tp->syn_fastopen || tp->syn_data)  in tcp_write_timeout()
187 			if (tp->syn_data && icsk->icsk_retransmits == 1)  in tcp_write_timeout()
200 			if (tp->syn_data_acked &&  in tcp_write_timeout()
201 			    tp->bytes_acked <= tp->rx_opt.mss_clamp) {  in tcp_write_timeout()
237 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_delack_timer_handler()  local
252 	if (!skb_queue_empty(&tp->ucopy.prequeue)) {  in tcp_delack_timer_handler()
257 		while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL)  in tcp_delack_timer_handler()
260 		tp->ucopy.memory = 0;  in tcp_delack_timer_handler()
304 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_probe_timer()  local
308 	if (tp->packets_out || !tcp_send_head(sk)) {  in tcp_probe_timer()
382 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_retransmit_timer()  local
385 	if (tp->fastopen_rsk) {  in tcp_retransmit_timer()
394 	if (!tp->packets_out)  in tcp_retransmit_timer()
399 	tp->tlp_high_seq = 0;  in tcp_retransmit_timer()
401 	if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&  in tcp_retransmit_timer()
414 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
422 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
425 		if (tcp_time_stamp - tp->rcv_tstamp > TCP_RTO_MAX) {  in tcp_retransmit_timer()
442 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
449 			   tp->sacked_out) {  in tcp_retransmit_timer()
450 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
503 	    (tp->thin_lto || sysctl_tcp_thin_linear_timeouts) &&  in tcp_retransmit_timer()
504 	    tcp_stream_is_thin(tp) &&  in tcp_retransmit_timer()
507 		icsk->icsk_rto = min(__tcp_set_rto(tp), TCP_RTO_MAX);  in tcp_retransmit_timer()
596 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_keepalive_timer()  local
613 		if (tp->linger2 >= 0) {  in tcp_keepalive_timer()
629 	elapsed = keepalive_time_when(tp);  in tcp_keepalive_timer()
632 	if (tp->packets_out || tcp_send_head(sk))  in tcp_keepalive_timer()
635 	elapsed = keepalive_time_elapsed(tp);  in tcp_keepalive_timer()
637 	if (elapsed >= keepalive_time_when(tp)) {  in tcp_keepalive_timer()
645 		    icsk->icsk_probes_out >= keepalive_probes(tp))) {  in tcp_keepalive_timer()
652 			elapsed = keepalive_intvl_when(tp);  in tcp_keepalive_timer()
661 		elapsed = keepalive_time_when(tp) - elapsed;  in tcp_keepalive_timer()