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;