57 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_out_of_resources()  local
62 	if ((s32)(tcp_time_stamp - tp->lsndtime) > 2*TCP_RTO_MAX || !do_reset)  in tcp_out_of_resources()
72 		if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||  in tcp_out_of_resources()
74 		    (!tp->snd_wnd && !tp->packets_out))  in tcp_out_of_resources()
114 			struct tcp_sock *tp = tcp_sk(sk);  in tcp_mtu_probing()  local
119 			mss = max(mss, 68 - tp->tcp_header_len);  in tcp_mtu_probing()
162 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_write_timeout()  local
169 			if (tp->syn_fastopen || tp->syn_data)  in tcp_write_timeout()
171 			if (tp->syn_data && icsk->icsk_retransmits == 1)  in tcp_write_timeout()
184 			if (tp->syn_data_acked &&  in tcp_write_timeout()
185 			    tp->bytes_acked <= tp->rx_opt.mss_clamp) {  in tcp_write_timeout()
221 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_delack_timer_handler()  local
235 	if (!skb_queue_empty(&tp->ucopy.prequeue)) {  in tcp_delack_timer_handler()
240 		while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL)  in tcp_delack_timer_handler()
243 		tp->ucopy.memory = 0;  in tcp_delack_timer_handler()
287 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_probe_timer()  local
291 	if (tp->packets_out || !tcp_send_head(sk)) {  in tcp_probe_timer()
365 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_retransmit_timer()  local
368 	if (tp->fastopen_rsk) {  in tcp_retransmit_timer()
377 	if (!tp->packets_out)  in tcp_retransmit_timer()
382 	tp->tlp_high_seq = 0;  in tcp_retransmit_timer()
384 	if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&  in tcp_retransmit_timer()
397 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
405 					    tp->snd_una, tp->snd_nxt);  in tcp_retransmit_timer()
408 		if (tcp_time_stamp - tp->rcv_tstamp > TCP_RTO_MAX) {  in tcp_retransmit_timer()
425 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
432 			   tp->sacked_out) {  in tcp_retransmit_timer()
433 			if (tcp_is_sack(tp))  in tcp_retransmit_timer()
486 	    (tp->thin_lto || sysctl_tcp_thin_linear_timeouts) &&  in tcp_retransmit_timer()
487 	    tcp_stream_is_thin(tp) &&  in tcp_retransmit_timer()
490 		icsk->icsk_rto = min(__tcp_set_rto(tp), TCP_RTO_MAX);  in tcp_retransmit_timer()
578 	struct tcp_sock *tp = tcp_sk(sk);  in tcp_keepalive_timer()  local
595 		if (tp->linger2 >= 0) {  in tcp_keepalive_timer()
610 	elapsed = keepalive_time_when(tp);  in tcp_keepalive_timer()
613 	if (tp->packets_out || tcp_send_head(sk))  in tcp_keepalive_timer()
616 	elapsed = keepalive_time_elapsed(tp);  in tcp_keepalive_timer()
618 	if (elapsed >= keepalive_time_when(tp)) {  in tcp_keepalive_timer()
626 		    icsk->icsk_probes_out >= keepalive_probes(tp))) {  in tcp_keepalive_timer()
633 			elapsed = keepalive_intvl_when(tp);  in tcp_keepalive_timer()
642 		elapsed = keepalive_time_when(tp) - elapsed;  in tcp_keepalive_timer()