ack_us            114 net/ipv4/tcp_rate.c 	u32 snd_us, ack_us;
ack_us            147 net/ipv4/tcp_rate.c 	ack_us = tcp_stamp_us_delta(tp->tcp_mstamp,
ack_us            149 net/ipv4/tcp_rate.c 	rs->interval_us = max(snd_us, ack_us);
ack_us            153 net/ipv4/tcp_rate.c 	rs->rcv_interval_us = ack_us;