M_LOOP
m->m_flags |= M_LOOP;
m->m_flags |= M_LOOP;
if (__predict_true((m->m_flags & M_LOOP) == 0 ||
if (m->m_flags & M_LOOP)
if (pim6 && (m->m_flags & M_LOOP) == 0) {
if (m->m_flags & M_LOOP) /* XXX: grotty flag, but efficient */
if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) {
M_ANYCAST6|M_LINK0|M_LINK1|M_LINK2|M_AUTHIPHDR|M_DECRYPTED|M_LOOP| \