Lines Matching defs:pmtu
340 size_t hlen, pmtu;
371 pmtu = ipsec_get_pmtu(sav);
372 if (pmtu == 0) {
380 if (m_length(m, NULL) + hlen > pmtu) {
383 * so that it contains pmtu subtracted by header size.
388 if (pmtu > hlen)
390 0, pmtu - hlen);
760 size_t hlen, pmtu;
789 pmtu = ipsec_get_pmtu(sav);
790 if (pmtu == 0) {
798 if (m_length(m, NULL) + hlen > pmtu) {
801 * so that it contains pmtu subtracted by header size.
806 if (pmtu > hlen)
807 icmp6_error(m, ICMP6_PACKET_TOO_BIG, 0, pmtu - hlen);
1095 size_t pmtu;
1116 pmtu = tcp_hc_getmtu(&inc);
1117 if (pmtu != 0)
1118 return (pmtu);
1124 pmtu = tcp_maxmtu(&inc, NULL);
1129 pmtu = tcp_maxmtu6(&inc, NULL);
1135 if (pmtu == 0)
1138 tcp_hc_updatemtu(&inc, pmtu);
1140 return (pmtu);