Lines Matching refs:mtu
867 int mtu;
971 mtu = dst_mtu(&rt->dst) - t_hlen;
973 if (mtu < IPV4_MIN_MTU) {
979 if (mtu < IPV6_MIN_MTU) {
980 mtu = IPV6_MIN_MTU;
985 skb_dst_update_pmtu_no_confirm(skb, mtu);
987 if (skb->len > mtu && !skb_is_gso(skb)) {
988 icmpv6_ndo_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
1128 int mtu;
1130 mtu = tdev->mtu - t_hlen;
1131 if (mtu < IPV6_MIN_MTU)
1132 mtu = IPV6_MIN_MTU;
1133 WRITE_ONCE(dev->mtu, mtu);
1432 dev->mtu = ETH_DATA_LEN - t_hlen;
1582 u32 mtu = nla_get_u32(tb[IFLA_MTU]);
1584 if (mtu >= IPV6_MIN_MTU &&
1585 mtu <= IP6_MAX_MTU - dev->hard_header_len)
1586 dev->mtu = mtu;