ts_recent_age
lm_time_resolution(pdev, tcp->tcp_delegated.ts_recent_age, l4_params->ticks_per_second, TSEMI_CLK1_TICKS_PER_SEC);
tcp->tcp_delegated.ts_recent_age =
u32_t ts_recent_age;
__le32 ts_recent_age /* The length of time, in ms, since the most recent timestamp was received */;
__le32 ts_recent_age /* The length of time, in ms, since the most recent timestamp was received */;