mtuinfo 1219 net/ipv6/ipv6_sockglue.c struct ip6_mtuinfo mtuinfo; mtuinfo 1221 net/ipv6/ipv6_sockglue.c if (len < sizeof(mtuinfo)) mtuinfo 1224 net/ipv6/ipv6_sockglue.c len = sizeof(mtuinfo); mtuinfo 1225 net/ipv6/ipv6_sockglue.c memset(&mtuinfo, 0, sizeof(mtuinfo)); mtuinfo 1230 net/ipv6/ipv6_sockglue.c mtuinfo.ip6m_mtu = dst_mtu(dst); mtuinfo 1232 net/ipv6/ipv6_sockglue.c if (!mtuinfo.ip6m_mtu) mtuinfo 1237 net/ipv6/ipv6_sockglue.c if (copy_to_user(optval, &mtuinfo, len))