tcp_mtu_to_mss
int tcp_mtu_to_mss(struct sock *sk, int pmtu);
EXPORT_IPV6_MOD(tcp_mtu_to_mss);
mss_now = tcp_mtu_to_mss(sk, pmtu);
mss_now = min(mss_now, tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low));
probe_size = tcp_mtu_to_mss(sk, (icsk->icsk_mtup.search_high +
if (probe_size > tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_high) ||
mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low) >> 1;
if (tcp_mtu_to_mss(sk, mtu) >= tcp_sk(sk)->mss_cache)