tcp_metric_get
rtt = tcp_metric_get(tm, TCP_METRIC_RTT);
var = tcp_metric_get(tm, TCP_METRIC_RTTVAR);
val = tcp_metric_get(tm, TCP_METRIC_SSTHRESH);
val = tcp_metric_get(tm, TCP_METRIC_CWND);
val = tcp_metric_get(tm, TCP_METRIC_CWND);
val = tcp_metric_get(tm, TCP_METRIC_CWND);
val = tcp_metric_get(tm, TCP_METRIC_SSTHRESH);
val = tcp_metric_get(tm, TCP_METRIC_REORDERING);
tp->snd_cwnd_clamp = tcp_metric_get(tm, TCP_METRIC_CWND);
0 : tcp_metric_get(tm, TCP_METRIC_SSTHRESH);
val = tcp_metric_get(tm, TCP_METRIC_REORDERING);
crtt = tcp_metric_get(tm, TCP_METRIC_RTT);
if (tm && tcp_metric_get(tm, TCP_METRIC_RTT))
u32 val = tcp_metric_get(tm, i);