99 static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst,  in tcpm_suck_dst()  argument
107 	if (dst_metric_locked(dst, RTAX_RTT))  in tcpm_suck_dst()
109 	if (dst_metric_locked(dst, RTAX_RTTVAR))  in tcpm_suck_dst()
111 	if (dst_metric_locked(dst, RTAX_SSTHRESH))  in tcpm_suck_dst()
113 	if (dst_metric_locked(dst, RTAX_CWND))  in tcpm_suck_dst()
115 	if (dst_metric_locked(dst, RTAX_REORDERING))  in tcpm_suck_dst()
119 	tm->tcpm_vals[TCP_METRIC_RTT] = dst_metric_raw(dst, RTAX_RTT);  in tcpm_suck_dst()
120 	tm->tcpm_vals[TCP_METRIC_RTTVAR] = dst_metric_raw(dst, RTAX_RTTVAR);  in tcpm_suck_dst()
121 	tm->tcpm_vals[TCP_METRIC_SSTHRESH] = dst_metric_raw(dst, RTAX_SSTHRESH);  in tcpm_suck_dst()
122 	tm->tcpm_vals[TCP_METRIC_CWND] = dst_metric_raw(dst, RTAX_CWND);  in tcpm_suck_dst()
123 	tm->tcpm_vals[TCP_METRIC_REORDERING] = dst_metric_raw(dst, RTAX_REORDERING);  in tcpm_suck_dst()
133 static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,  in tcpm_new()  argument
142 	net = dev_net(dst->dev);  in tcpm_new()
160 	tcpm_suck_dst(tm, dst, true);  in tcpm_new()
174 static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst)  in tcpm_check_stamp()  argument
177 		tcpm_suck_dst(tm, dst, false);  in tcpm_check_stamp()
208 						       struct dst_entry *dst)  in __tcp_get_metrics_req()  argument
229 	net = dev_net(dst->dev);  in __tcp_get_metrics_req()
237 	tcpm_check_stamp(tm, dst);  in __tcp_get_metrics_req()
276 						 struct dst_entry *dst,  in tcp_get_metrics()  argument
299 	net = dev_net(dst->dev);  in tcp_get_metrics()
309 		tm = tcpm_new(dst, &addr, hash, reclaim);  in tcp_get_metrics()
311 		tcpm_check_stamp(tm, dst);  in tcp_get_metrics()
323 	struct dst_entry *dst = __sk_dst_get(sk);  in tcp_update_metrics()  local
330 	if (sysctl_tcp_nometrics_save || !dst)  in tcp_update_metrics()
333 	if (dst->flags & DST_HOST)  in tcp_update_metrics()
334 		dst_confirm(dst);  in tcp_update_metrics()
342 		tm = tcp_get_metrics(sk, dst, false);  in tcp_update_metrics()
347 		tm = tcp_get_metrics(sk, dst, true);  in tcp_update_metrics()
443 	struct dst_entry *dst = __sk_dst_get(sk);  in tcp_init_metrics()  local
448 	if (dst == NULL)  in tcp_init_metrics()
451 	dst_confirm(dst);  in tcp_init_metrics()
454 	tm = tcp_get_metrics(sk, dst, true);  in tcp_init_metrics()
532 		tp->snd_cwnd = tcp_init_cwnd(tp, dst);  in tcp_init_metrics()
536 bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check)  in tcp_peer_is_proven()  argument
541 	if (!dst)  in tcp_peer_is_proven()
545 	tm = __tcp_get_metrics_req(req, dst);  in tcp_peer_is_proven()
565 void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst)  in tcp_fetch_timewait_stamp()  argument
570 	tm = tcp_get_metrics(sk, dst, true);  in tcp_fetch_timewait_stamp()
590 	struct dst_entry *dst = __sk_dst_get(sk);  in tcp_remember_stamp()  local
593 	if (dst) {  in tcp_remember_stamp()
597 		tm = tcp_get_metrics(sk, dst, true);  in tcp_remember_stamp()