4073 	struct mbuf *copym;  in ip6_mloopback()  local
4087 	copym = m_copym_mode(m, 0, M_COPYALL, M_DONTWAIT, NULL, NULL, M_COPYM_COPY_HDR);  in ip6_mloopback()
4088 	if (copym != NULL && ((copym->m_flags & M_EXT) ||  in ip6_mloopback()
4089 	    copym->m_len < sizeof(struct ip6_hdr))) {  in ip6_mloopback()
4090 		copym = m_pullup(copym, sizeof(struct ip6_hdr));  in ip6_mloopback()
4093 	if (copym == NULL) {  in ip6_mloopback()
4097 	ip6 = mtod(copym, struct ip6_hdr *);  in ip6_mloopback()
4106 	if (copym->m_pkthdr.csum_flags & CSUM_DELAY_IPV6_DATA) {  in ip6_mloopback()
4107 		in6_delayed_cksum_offset(copym, 0, optlen, nxt0);  in ip6_mloopback()
4116 	copym->m_pkthdr.rcvif = origifp;  in ip6_mloopback()
4139 		ip6_setsrcifaddr_info(copym, srcifp->if_index, NULL);  in ip6_mloopback()
4141 	ip6_setdstifaddr_info(copym, origifp->if_index, NULL);  in ip6_mloopback()
4143 	dlil_output(lo_ifp, PF_INET6, copym, NULL, SA(dst), 0, NULL);  in ip6_mloopback()