- if ((ret = iso_tryloopback(m, (struct sockaddr_iso *)dst)) >= 0)
- return (ret);
- ret = iso_snparesolve(ifp, (struct sockaddr_iso *)dst,
- (char *)edst, &len);
- if (ret > 0) {
- m_freem(m); /* Not Resolved */
- return(ret);
+ if (rt && (sdl = (struct sockaddr_dl *)rt->rt_gateway) &&
+ sdl->sdl_family == AF_LINK && sdl->sdl_alen > 0) {
+ bcopy(LLADDR(sdl), (caddr_t)edst, sizeof(edst));
+ } else if (error =
+ iso_snparesolve(ifp, (struct sockaddr_iso *)dst,
+ (char *)edst, &snpalen))
+ goto bad; /* Not Resolved */
+ if ((ifp->if_flags & IFF_SIMPLEX) && (*edst & 1) &&
+ (mcopy = m_copy(m, 0, (int)M_COPYALL))) {
+ M_PREPEND(mcopy, sizeof (*eh), M_DONTWAIT);
+ if (mcopy) {
+ eh = mtod(mcopy, struct ether_header *);
+ bcopy((caddr_t)edst,
+ (caddr_t)eh->ether_dhost, sizeof (edst));
+ bcopy((caddr_t)ac->ac_enaddr,
+ (caddr_t)eh->ether_shost, sizeof (edst));
+ }