Lines Matching defs:mtu
30 * Andi Kleen : Implemented fast path mtu discovery.
345 * This routine reacts to ICMP_FRAG_NEEDED mtu indications as defined in RFC1191.
353 u32 mtu;
357 mtu = READ_ONCE(tcp_sk(sk)->mtu_info);
358 dst = inet_csk_update_pmtu(sk, mtu);
365 if (mtu < dst_mtu(dst) && ip_dont_fragment(sk, dst))
368 mtu = dst_mtu(dst);
372 inet_csk(sk)->icsk_pmtu_cookie > mtu) {
373 tcp_sync_mss(sk, mtu);
377 * dropped. This is the new "fast" path mtu