len_ns            995 net/ipv4/tcp_output.c 			u64 len_ns = div64_ul((u64)skb->len * NSEC_PER_SEC, rate);
len_ns            999 net/ipv4/tcp_output.c 			len_ns -= min_t(u64, len_ns / 2, credit);
len_ns           1000 net/ipv4/tcp_output.c 			tp->tcp_wstamp_ns += len_ns;