bcopy((caddr_t)&(((struct sockaddr_ipx*)dst)->sipx_addr.x_host),
bcopy((caddr_t)&(((struct sockaddr_ipx*)dst)->sipx_addr.ipx_host),
fddi_output(ifp, m0, dst, rt0)	register struct ifnet *ifp;	struct mbuf *m0;	struct sockaddr *dst;	struct rtentry *rt0;{	u_int16_t type;	int s, error = 0; 	u_char edst[6];	register struct mbuf *m = m0;	register struct rtentry *rt;	struct mbuf *mcopy = (struct mbuf *)0;	register struct fddi_header *fh;	struct arpcom *ac = (struct arpcom *)ifp;	if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))		senderr(ENETDOWN);	ifp->if_lastchange = time;	if ((rt = rt0) != NULL) {		if ((rt->rt_flags & RTF_UP) == 0) {			if ((rt0 = rt = RTALLOC1(dst, 1)) != NULL)				rt->rt_refcnt--;			else 				senderr(EHOSTUNREACH);		}		if (rt->rt_flags & RTF_GATEWAY) {			if (rt->rt_gwroute == 0)				goto lookup;			if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {				rtfree(rt); rt = rt0;			lookup: rt->rt_gwroute = RTALLOC1(rt->rt_gateway, 1);				if ((rt = rt->rt_gwroute) == 0)					senderr(EHOSTUNREACH);			}		}		if (rt->rt_flags & RTF_REJECT)			if (rt->rt_rmx.rmx_expire == 0 ||			    time.tv_sec < rt->rt_rmx.rmx_expire)				senderr(rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);	}	switch (dst->sa_family) {#ifdef INET	case AF_INET:		if (!ARPRESOLVE(ac, rt, m, dst, edst, rt0))			return (0);	/* if not yet resolved */		/* If broadcasting on a simplex interface, loopback a copy */		if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))			mcopy = m_copy(m, 0, (int)M_COPYALL);		type = htons(ETHERTYPE_IP);		break;#endif#ifdef IPX	case AF_IPX:		type = htons(ETHERTYPE_IPX); 		bcopy((caddr_t)&(((struct sockaddr_ipx*)dst)->sipx_addr.x_host),		    (caddr_t)edst, sizeof (edst));		if (!bcmp((caddr_t)edst, (caddr_t)&ipx_thishost, sizeof(edst)))			return (looutput(ifp, m, dst, rt));		/* If broadcasting on a simplex interface, loopback a copy */		if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))			mcopy = m_copy(m, 0, (int)M_COPYALL);		break;#endif#ifdef NS	case AF_NS:		type = htons(ETHERTYPE_NS); 		bcopy((caddr_t)&(((struct sockaddr_ns *)dst)->sns_addr.x_host),		    (caddr_t)edst, sizeof (edst));		if (!bcmp((caddr_t)edst, (caddr_t)&ns_thishost, sizeof(edst)))			return (looutput(ifp, m, dst, rt));		/* If broadcasting on a simplex interface, loopback a copy */		if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))			mcopy = m_copy(m, 0, (int)M_COPYALL);		break;#endif#ifdef	ISO	case AF_ISO: {		int	snpalen;		struct	llc *l;		register struct sockaddr_dl *sdl;		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)) != 0)			goto bad; /* Not Resolved */		/* If broadcasting on a simplex interface, loopback a copy */		if (*edst & 1)			m->m_flags |= (M_BCAST|M_MCAST);		if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX) &&		    (mcopy = m_copy(m, 0, (int)M_COPYALL))) {			M_PREPEND(mcopy, sizeof (*fh), M_DONTWAIT);			if (mcopy) {				fh = mtod(mcopy, struct fddi_header *);				bcopy((caddr_t)edst,				      (caddr_t)fh->fddi_dhost, sizeof (edst));				bcopy((caddr_t)ac->ac_enaddr,				      (caddr_t)fh->fddi_shost, sizeof (edst));			}		}		M_PREPEND(m, 3, M_DONTWAIT);		if (m == NULL)			return (0);		type = 0;		l = mtod(m, struct llc *);		l->llc_dsap = l->llc_ssap = LLC_ISO_LSAP;		l->llc_control = LLC_UI;#if defined(__FreeBSD__)		IFDEBUG(D_ETHER)			int i;			printf("unoutput: sending pkt to: ");			for (i=0; i<6; i++)				printf("%x ", edst[i] & 0xff);			printf("\n");		ENDDEBUG#endif		} break;#endif /* ISO */#ifdef	CCITT/*	case AF_NSAP: */	case AF_CCITT: {		register struct sockaddr_dl *sdl = 			(struct sockaddr_dl *) rt->rt_gateway;		if (sdl && sdl->sdl_family == AF_LINK		    && sdl->sdl_alen > 0) {			bcopy(LLADDR(sdl), (char *)edst,				sizeof(edst));		} else goto bad; /* Not a link interface ? Funny ... */		if ((ifp->if_flags & IFF_SIMPLEX) && (*edst & 1) &&		    (mcopy = m_copy(m, 0, (int)M_COPYALL))) {			M_PREPEND(mcopy, sizeof (*fh), M_DONTWAIT);			if (mcopy) {				fh = mtod(mcopy, struct fddi_header *);				bcopy((caddr_t)edst,				      (caddr_t)fh->fddi_dhost, sizeof (edst));				bcopy((caddr_t)ac->ac_enaddr,				      (caddr_t)fh->fddi_shost, sizeof (edst));				fh->fddi_fc = FDDIFC_LLC_ASYNC|FDDIFC_LLC_PRIO4;			}		}		type = 0;#ifdef LLC_DEBUG		{			int i;			register struct llc *l = mtod(m, struct llc *);			printf("fddi_output: sending LLC2 pkt to: ");			for (i=0; i<6; i++)				printf("%x ", edst[i] & 0xff);			printf(" len 0x%x dsap 0x%x ssap 0x%x control 0x%x\n", 			    m->m_pkthdr.len, l->llc_dsap & 0xff, l->llc_ssap &0xff,			    l->llc_control & 0xff);		}#endif /* LLC_DEBUG */		} break;#endif /* CCITT */		case AF_UNSPEC:	{		struct ether_header *eh;		eh = (struct ether_header *)dst->sa_data; 		bcopy((caddr_t)eh->ether_dhost, (caddr_t)edst, sizeof (edst));		if (*edst & 1)			m->m_flags |= (M_BCAST|M_MCAST);		type = TYPEHTONS(eh->ether_type);		break;	}#if NBPFILTER > 0	case AF_IMPLINK:	{		fh = mtod(m, struct fddi_header *);		error = EPROTONOSUPPORT;		switch (fh->fddi_fc & (FDDIFC_C|FDDIFC_L|FDDIFC_F)) {			case FDDIFC_LLC_ASYNC: {				/* legal priorities are 0 through 7 */				if ((fh->fddi_fc & FDDIFC_Z) > 7)			        	goto bad;				break;			}			case FDDIFC_LLC_SYNC: {				/* FDDIFC_Z bits reserved, must be zero */				if (fh->fddi_fc & FDDIFC_Z)					goto bad;				break;			}			case FDDIFC_SMT: {				/* FDDIFC_Z bits must be non zero */				if ((fh->fddi_fc & FDDIFC_Z) == 0)					goto bad;				break;			}			default: {				/* anything else is too dangerous */               	 		goto bad;			}		}		error = 0;		if (fh->fddi_dhost[0] & 1)			m->m_flags |= (M_BCAST|M_MCAST);		goto queue_it;	}#endif	default:		printf("%s: can't handle af%d\n", ifp->if_xname,			dst->sa_family);		senderr(EAFNOSUPPORT);	}	if (mcopy)		(void) looutput(ifp, mcopy, dst, rt);	if (type != 0) {		register struct llc *l;		M_PREPEND(m, sizeof (struct llc), M_DONTWAIT);		if (m == 0)			senderr(ENOBUFS);		l = mtod(m, struct llc *);		l->llc_control = LLC_UI;		l->llc_dsap = l->llc_ssap = LLC_SNAP_LSAP;		l->llc_snap.org_code[0] = l->llc_snap.org_code[1] = l->llc_snap.org_code[2] = 0;		bcopy((caddr_t) &type, (caddr_t) &l->llc_snap.ether_type,			sizeof(u_short));	}	/*	 * Add local net header.  If no space in first mbuf,	 * allocate another.	 */	M_PREPEND(m, sizeof (struct fddi_header), M_DONTWAIT);	if (m == 0)		senderr(ENOBUFS);	fh = mtod(m, struct fddi_header *);	fh->fddi_fc = FDDIFC_LLC_ASYNC|FDDIFC_LLC_PRIO4; 	bcopy((caddr_t)edst, (caddr_t)fh->fddi_dhost, sizeof (edst));#if NBPFILTER > 0  queue_it:#endif 	bcopy((caddr_t)ac->ac_enaddr, (caddr_t)fh->fddi_shost,	    sizeof(fh->fddi_shost));	s = splimp();	/*	 * Queue message on interface, and start output if interface	 * not yet active.	 */	if (IF_QFULL(&ifp->if_snd)) {		IF_DROP(&ifp->if_snd);		splx(s);		senderr(ENOBUFS);	}	ifp->if_obytes += m->m_pkthdr.len;	IF_ENQUEUE(&ifp->if_snd, m);	if ((ifp->if_flags & IFF_OACTIVE) == 0)		(*ifp->if_start)(ifp);	splx(s);	if (m->m_flags & M_MCAST)		ifp->if_omcasts++;	return (error);bad:	if (m)		m_freem(m);	return (error);}