Lines Matching defs:copym
1531 struct mbuf *copym;
1537 copym = m_dup(m, M_NOWAIT);
1538 if (copym != NULL && (!M_WRITABLE(copym) || copym->m_len < hlen))
1539 copym = m_pullup(copym, hlen);
1540 if (copym != NULL) {
1542 if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
1543 in_delayed_cksum(copym);
1544 copym->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
1545 copym->m_pkthdr.csum_flags |=
1547 copym->m_pkthdr.csum_data = 0xffff;
1553 ip = mtod(copym, struct ip *);
1555 ip->ip_sum = in_cksum(copym, hlen);
1556 if_simloop(ifp, copym, AF_INET, 0);