ifp = sc->vxl_ifp;
m = *m0;
if (m->m_len < ETHER_HDR_LEN &&
(m = m_pullup(m, ETHER_HDR_LEN)) == NULL) {
*m0 = NULL;
error = ENOBUFS;
goto out;
}
eh = mtod(m, struct ether_header *);
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {