[apple/xnu.git] / bsd / net / ether_inet6_pr_module.c

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1982, 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */


#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>

#include <net/if.h>
#include <net/netisr.h>
#include <net/route.h>
#include <net/if_llc.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/ndrv.h>

#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/if_ether.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>

#if INET6
#include <netinet6/nd6.h>
#include <netinet6/in6_ifattach.h>
#endif


#include <sys/socketvar.h>
#include <net/if_blue.h>

#include <net/dlil.h>


#if LLC && CCITT
extern struct ifqueue pkintrq;
#endif


#if BRIDGE
#include <net/bridge.h>
#endif

/* #include "vlan.h" */
#if NVLAN > 0
#include <net/if_vlan_var.h>
#endif /* NVLAN > 0 */


extern struct ifnet_blue *blue_if;
extern struct mbuf *splitter_input(struct mbuf *, struct ifnet *);

static u_long lo_dlt = 0;
static ivedonethis = 0;
static u_char	etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

#define IFP2AC(IFP) ((struct arpcom *)IFP)


/*
 * Process a received Ethernet packet;
 * the packet is in the mbuf chain m without
 * the ether header, which is provided separately.
 */
int
inet6_ether_input(m, frame_header, ifp, dl_tag, sync_ok)
    struct mbuf  *m;
    char         *frame_header;
    struct ifnet *ifp;
    u_long	     dl_tag;
    int          sync_ok;

{
    register struct ether_header *eh = (struct ether_header *) frame_header;
    register struct ifqueue *inq=0;
    u_short ether_type;
    int s;
    u_int16_t ptype = -1;
    unsigned char buf[18];


    if ((ifp->if_flags & IFF_UP) == 0) {
	 m_freem(m);
	 return EJUSTRETURN;
    }

    ifp->if_lastchange = time;

    if (eh->ether_dhost[0] & 1) {
	if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
		 sizeof(etherbroadcastaddr)) == 0)
	    m->m_flags |= M_BCAST;
	else
	    m->m_flags |= M_MCAST;
    }
    if (m->m_flags & (M_BCAST|M_MCAST))
	ifp->if_imcasts++;

    ether_type = ntohs(eh->ether_type);


    switch (ether_type) {

    case ETHERTYPE_IPV6:
        schednetisr(NETISR_IPV6);
        inq = &ip6intrq;
        break;

    default: {
	return ENOENT;
	}
    }

    if (inq == 0)
	return ENOENT;

	s = splimp();
	if (IF_QFULL(inq)) {
		IF_DROP(inq);
		m_freem(m);
		splx(s);
		return EJUSTRETURN;
	} else
		IF_ENQUEUE(inq, m);
	splx(s);


    return 0;
}


int
inet6_ether_pre_output(ifp, m0, dst_netaddr, route, type, edst, dl_tag )
    struct ifnet    *ifp;
    struct mbuf     **m0;
    struct sockaddr *dst_netaddr;
    caddr_t	    route;
    char	    *type;
    char            *edst;
    u_long	    dl_tag;
{
    struct rtentry  *rt0 = (struct rtentry *) route;
    int s;
    register struct mbuf *m = *m0;
    register struct rtentry *rt;
    register struct ether_header *eh;
    int off, len = m->m_pkthdr.len;
    int hlen;	/* link layer header lenght */
    struct arpcom *ac = IFP2AC(ifp);


    if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) 
	return ENETDOWN;

    rt = rt0;
    if (rt) {
	if ((rt->rt_flags & RTF_UP) == 0) {
	    rt0 = rt = rtalloc1(dst_netaddr, 1, 0UL);
	    if (rt0)
		rt->rt_refcnt--;
	    else
		return 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,
					      0UL);
		if ((rt = rt->rt_gwroute) == 0)
		    return (EHOSTUNREACH);
	    }
	}

	
	if (rt->rt_flags & RTF_REJECT)
	    if (rt->rt_rmx.rmx_expire == 0 ||
		time_second < rt->rt_rmx.rmx_expire)
		return (rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
    }

    hlen = ETHER_HDR_LEN;

    /*
     * Tell ether_frameout it's ok to loop packet unless negated below.
     */
    m->m_flags |= M_LOOP;

    switch (dst_netaddr->sa_family) {


    case AF_INET6:
        if (!nd6_storelladdr(&ac->ac_if, rt, m, dst_netaddr, (u_char *)edst)) {
             /* this must be impossible, so we bark */
             printf("nd6_storelladdr failed\n");
             return(0);
                }
       off = m->m_pkthdr.len - m->m_len;
       *(u_short *)type = htons(ETHERTYPE_IPV6);
       break;

    default:
	printf("%s%d: can't handle af%d\n", ifp->if_name, ifp->if_unit,
	       dst_netaddr->sa_family);

        return EAFNOSUPPORT;
    }

    return (0);
}


int
ether_inet6_prmod_ioctl(dl_tag, ifp, command, data)
    u_long       dl_tag;
    struct ifnet *ifp;
    int          command;
    caddr_t      data;
{
    struct ifaddr *ifa = (struct ifaddr *) data;
    struct ifreq *ifr = (struct ifreq *) data;
    struct rslvmulti_req *rsreq = (struct rslvmulti_req *) data;
    int error = 0;
    boolean_t funnel_state;
    struct arpcom *ac = (struct arpcom *) ifp;
    struct sockaddr_dl *sdl;
    struct sockaddr_in *sin;
    struct sockaddr_in6 *sin6;

    u_char *e_addr;


    funnel_state = thread_funnel_set(TRUE);

    switch (command) {
    case SIOCRSLVMULTI: {
	switch(rsreq->sa->sa_family) {

        case AF_INET6:
                sin6 = (struct sockaddr_in6 *)rsreq->sa;
                if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
                        /*
                         * An IP6 address of 0 means listen to all
                         * of the Ethernet multicast address used for IP6.
                         * (This is used for multicast routers.)
                         */
                        ifp->if_flags |= IFF_ALLMULTI;
                        *rsreq->llsa = 0;
                        return 0;
                }
                MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR,
                       M_WAITOK);
                sdl->sdl_len = sizeof *sdl;
                sdl->sdl_family = AF_LINK;
                sdl->sdl_index = ifp->if_index;
                sdl->sdl_type = IFT_ETHER;
                sdl->sdl_nlen = 0;
                sdl->sdl_alen = ETHER_ADDR_LEN;
                sdl->sdl_slen = 0;
                e_addr = LLADDR(sdl);
                ETHER_MAP_IPV6_MULTICAST(&sin6->sin6_addr, e_addr);
                printf("ether_resolvemulti AF_INET6 Adding %x:%x:%x:%x:%x:%x\n",
                                e_addr[0], e_addr[1], e_addr[2], e_addr[3], e_addr[4], e_addr[5]);
                *rsreq->llsa = (struct sockaddr *)sdl;
                return 0;

	default:
		/* 
		 * Well, the text isn't quite right, but it's the name
		 * that counts...
		 */
		return EAFNOSUPPORT;
	}

    }
    case SIOCSIFADDR:
	 if ((ifp->if_flags & IFF_RUNNING) == 0) {
	      ifp->if_flags |= IFF_UP;
	      dlil_ioctl(0, ifp, SIOCSIFFLAGS, (caddr_t) 0);
	 }

	break;

    case SIOCGIFADDR:
    {
	struct sockaddr *sa;

	sa = (struct sockaddr *) & ifr->ifr_data;
	bcopy(IFP2AC(ifp)->ac_enaddr,
	      (caddr_t) sa->sa_data, ETHER_ADDR_LEN);
    }
    break;

    case SIOCSIFMTU:
	/*
	 * Set the interface MTU.
	 */
	if (ifr->ifr_mtu > ETHERMTU) {
	    error = EINVAL;
	} else {
	    ifp->if_mtu = ifr->ifr_mtu;
	}
	break;

    default:
	 return EOPNOTSUPP;
    }

    (void) thread_funnel_set(funnel_state);

    return (error);
}


u_long  ether_attach_inet6(struct ifnet *ifp)
{
    struct dlil_proto_reg_str   reg;
    struct dlil_demux_desc      desc;
    u_long			ip_dl_tag=0;
    u_short en_6native=ETHERTYPE_IPV6;
    int   stat;
    int i;


    stat = dlil_find_dltag(ifp->if_family, ifp->if_unit, PF_INET6, &ip_dl_tag);
    if (stat == 0)
	 return ip_dl_tag;

    TAILQ_INIT(&reg.demux_desc_head);
    desc.type = DLIL_DESC_RAW;
    desc.variants.bitmask.proto_id_length = 0;
    desc.variants.bitmask.proto_id = 0;
    desc.variants.bitmask.proto_id_mask = 0;
    desc.native_type = (char *) &en_6native;
    TAILQ_INSERT_TAIL(&reg.demux_desc_head, &desc, next);
    reg.interface_family = ifp->if_family;
    reg.unit_number      = ifp->if_unit;
    reg.input            = inet6_ether_input;
    reg.pre_output       = inet6_ether_pre_output;
    reg.event            = 0;
    reg.offer            = 0;
    reg.ioctl            = ether_inet6_prmod_ioctl;
    reg.default_proto    = 1;
    reg.protocol_family  = PF_INET6;

    stat = dlil_attach_protocol(&reg, &ip_dl_tag);
    if (stat) {
	printf("WARNING: ether_attach_inet6 can't attach ip to interface\n");
	return stat;
    }

    return ip_dl_tag;
}
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright (c) 1982, 1989, 1993
	24	* The Regents of the University of California. All rights reserved.
	25	*
	26	* Redistribution and use in source and binary forms, with or without
	27	* modification, are permitted provided that the following conditions
	28	* are met:
	29	* 1. Redistributions of source code must retain the above copyright
	30	* notice, this list of conditions and the following disclaimer.
	31	* 2. Redistributions in binary form must reproduce the above copyright
	32	* notice, this list of conditions and the following disclaimer in the
	33	* documentation and/or other materials provided with the distribution.
	34	* 3. All advertising materials mentioning features or use of this software
	35	* must display the following acknowledgement:
	36	* This product includes software developed by the University of
	37	* California, Berkeley and its contributors.
	38	* 4. Neither the name of the University nor the names of its contributors
	39	* may be used to endorse or promote products derived from this software
	40	* without specific prior written permission.
	41	*
	42	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	43	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	44	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	45	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	46	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	47	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	48	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	50	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	51	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	52	* SUCH DAMAGE.
	53	*
	54	*/
	55
	56
	57
	58	#include <sys/param.h>
	59	#include <sys/systm.h>
	60	#include <sys/kernel.h>
	61	#include <sys/malloc.h>
	62	#include <sys/mbuf.h>
	63	#include <sys/socket.h>
	64	#include <sys/sockio.h>
65	#include <sys/sysctl.h>
66
67	#include <net/if.h>
68	#include <net/netisr.h>
69	#include <net/route.h>
70	#include <net/if_llc.h>
71	#include <net/if_dl.h>
72	#include <net/if_types.h>
73	#include <net/ndrv.h>
74
75	#include <netinet/in.h>
76	#include <netinet/in_var.h>
77	#include <netinet/if_ether.h>
78	#include <netinet/in_systm.h>
79	#include <netinet/ip.h>
80
81	#if INET6
82	#include <netinet6/nd6.h>
83	#include <netinet6/in6_ifattach.h>
84	#endif
85
86
87
88	#include <sys/socketvar.h>
89	#include <net/if_blue.h>
90
91	#include <net/dlil.h>
92
93
94	#if LLC && CCITT
95	extern struct ifqueue pkintrq;
96	#endif
97
98
99	#if BRIDGE
100	#include <net/bridge.h>
101	#endif
102
103	/* #include "vlan.h" */
104	#if NVLAN > 0
105	#include <net/if_vlan_var.h>
106	#endif /* NVLAN > 0 */
107
108
109	extern struct ifnet_blue *blue_if;
110	extern struct mbuf splitter_input(struct mbuf , struct ifnet *);
111
112	static u_long lo_dlt = 0;
113	static ivedonethis = 0;
114	static u_char etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
115
116	#define IFP2AC(IFP) ((struct arpcom *)IFP)
117
118
119
120
121	/*
122	* Process a received Ethernet packet;
123	* the packet is in the mbuf chain m without
124	* the ether header, which is provided separately.
125	*/
126	int
127	inet6_ether_input(m, frame_header, ifp, dl_tag, sync_ok)
128	struct mbuf *m;
129	char *frame_header;
130	struct ifnet *ifp;
131	u_long dl_tag;
132	int sync_ok;
133
134	{
135	register struct ether_header eh = (struct ether_header ) frame_header;
136	register struct ifqueue *inq=0;
137	u_short ether_type;
138	int s;
139	u_int16_t ptype = -1;
140	unsigned char buf[18];
141
142
143
144	if ((ifp->if_flags & IFF_UP) == 0) {
145	m_freem(m);
146	return EJUSTRETURN;
147	}
148
149	ifp->if_lastchange = time;
150
151	if (eh->ether_dhost[0] & 1) {
152	if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
153	sizeof(etherbroadcastaddr)) == 0)
154	m->m_flags \|= M_BCAST;
155	else
156	m->m_flags \|= M_MCAST;
157	}
158	if (m->m_flags & (M_BCAST\|M_MCAST))
159	ifp->if_imcasts++;
160
161	ether_type = ntohs(eh->ether_type);
162
163
164	switch (ether_type) {
165
166	case ETHERTYPE_IPV6:
167	schednetisr(NETISR_IPV6);
168	inq = &ip6intrq;
169	break;
170
171	default: {
172	return ENOENT;
173	}
174	}
175
176	if (inq == 0)
177	return ENOENT;
178
179	s = splimp();
180	if (IF_QFULL(inq)) {
181	IF_DROP(inq);
182	m_freem(m);
183	splx(s);
184	return EJUSTRETURN;
185	} else
186	IF_ENQUEUE(inq, m);
187	splx(s);
188
189
190	return 0;
191	}
192
193
194
195
196	int
197	inet6_ether_pre_output(ifp, m0, dst_netaddr, route, type, edst, dl_tag )
198	struct ifnet *ifp;
199	struct mbuf **m0;
200	struct sockaddr *dst_netaddr;
201	caddr_t route;
202	char *type;
203	char *edst;
204	u_long dl_tag;
205	{
206	struct rtentry rt0 = (struct rtentry ) route;
207	int s;
208	register struct mbuf m = m0;
209	register struct rtentry *rt;
210	register struct ether_header *eh;
211	int off, len = m->m_pkthdr.len;
212	int hlen; /* link layer header lenght */
213	struct arpcom *ac = IFP2AC(ifp);
214
215
216
217	if ((ifp->if_flags & (IFF_UP\|IFF_RUNNING)) != (IFF_UP\|IFF_RUNNING))
218	return ENETDOWN;
219
220	rt = rt0;
221	if (rt) {
222	if ((rt->rt_flags & RTF_UP) == 0) {
223	rt0 = rt = rtalloc1(dst_netaddr, 1, 0UL);
224	if (rt0)
225	rt->rt_refcnt--;
226	else
227	return EHOSTUNREACH;
228	}
229
230	if (rt->rt_flags & RTF_GATEWAY) {
231	if (rt->rt_gwroute == 0)
232	goto lookup;
233	if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
234	rtfree(rt); rt = rt0;
235	lookup: rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1,
236	0UL);
237	if ((rt = rt->rt_gwroute) == 0)
238	return (EHOSTUNREACH);
239	}
240	}
241
242
243	if (rt->rt_flags & RTF_REJECT)
244	if (rt->rt_rmx.rmx_expire == 0 \|\|
245	time_second < rt->rt_rmx.rmx_expire)
246	return (rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
247	}
248
249	hlen = ETHER_HDR_LEN;
250
251	/*
252	* Tell ether_frameout it's ok to loop packet unless negated below.
253	*/
254	m->m_flags \|= M_LOOP;
255
256	switch (dst_netaddr->sa_family) {
257
258
259	case AF_INET6:
260	if (!nd6_storelladdr(&ac->ac_if, rt, m, dst_netaddr, (u_char *)edst)) {
261	/* this must be impossible, so we bark */
262	printf("nd6_storelladdr failed\n");
263	return(0);
264	}
265	off = m->m_pkthdr.len - m->m_len;
266	(u_short )type = htons(ETHERTYPE_IPV6);
267	break;
268
269	default:
270	printf("%s%d: can't handle af%d\n", ifp->if_name, ifp->if_unit,
271	dst_netaddr->sa_family);
272
273	return EAFNOSUPPORT;
274	}
275
276	return (0);
277	}
278
279
280	int
281	ether_inet6_prmod_ioctl(dl_tag, ifp, command, data)
282	u_long dl_tag;
283	struct ifnet *ifp;
284	int command;
285	caddr_t data;
286	{
287	struct ifaddr ifa = (struct ifaddr ) data;
288	struct ifreq ifr = (struct ifreq ) data;
289	struct rslvmulti_req rsreq = (struct rslvmulti_req ) data;
290	int error = 0;
291	boolean_t funnel_state;
292	struct arpcom ac = (struct arpcom ) ifp;
293	struct sockaddr_dl *sdl;
294	struct sockaddr_in *sin;
295	struct sockaddr_in6 *sin6;
296
297	u_char *e_addr;
298
299
300	funnel_state = thread_funnel_set(TRUE);
301
302	switch (command) {
303	case SIOCRSLVMULTI: {
304	switch(rsreq->sa->sa_family) {
305
306	case AF_INET6:
307	sin6 = (struct sockaddr_in6 *)rsreq->sa;
308	if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
309	/*
310	* An IP6 address of 0 means listen to all
311	* of the Ethernet multicast address used for IP6.
312	* (This is used for multicast routers.)
313	*/
314	ifp->if_flags \|= IFF_ALLMULTI;
315	*rsreq->llsa = 0;
316	return 0;
317	}
318	MALLOC(sdl, struct sockaddr_dl , sizeof sdl, M_IFMADDR,
319	M_WAITOK);
320	sdl->sdl_len = sizeof *sdl;
321	sdl->sdl_family = AF_LINK;
322	sdl->sdl_index = ifp->if_index;
323	sdl->sdl_type = IFT_ETHER;
324	sdl->sdl_nlen = 0;
325	sdl->sdl_alen = ETHER_ADDR_LEN;
326	sdl->sdl_slen = 0;
327	e_addr = LLADDR(sdl);
328	ETHER_MAP_IPV6_MULTICAST(&sin6->sin6_addr, e_addr);
329	printf("ether_resolvemulti AF_INET6 Adding %x:%x:%x:%x:%x:%x\n",
330	e_addr[0], e_addr[1], e_addr[2], e_addr[3], e_addr[4], e_addr[5]);
331	rsreq->llsa = (struct sockaddr )sdl;
332	return 0;
333
334	default:
335	/*
336	* Well, the text isn't quite right, but it's the name
337	* that counts...
338	*/
339	return EAFNOSUPPORT;
340	}
341
342	}
343	case SIOCSIFADDR:
344	if ((ifp->if_flags & IFF_RUNNING) == 0) {
345	ifp->if_flags \|= IFF_UP;
346	dlil_ioctl(0, ifp, SIOCSIFFLAGS, (caddr_t) 0);
347	}
348
349	break;
350
351	case SIOCGIFADDR:
352	{
353	struct sockaddr *sa;
354
355	sa = (struct sockaddr *) & ifr->ifr_data;
356	bcopy(IFP2AC(ifp)->ac_enaddr,
357	(caddr_t) sa->sa_data, ETHER_ADDR_LEN);
358	}
359	break;
360
361	case SIOCSIFMTU:
362	/*
363	* Set the interface MTU.
364	*/
365	if (ifr->ifr_mtu > ETHERMTU) {
366	error = EINVAL;
367	} else {
368	ifp->if_mtu = ifr->ifr_mtu;
369	}
370	break;
371
372	default:
373	return EOPNOTSUPP;
374	}
375
376	(void) thread_funnel_set(funnel_state);
377
378	return (error);
379	}
380
381
382
383
384
385	u_long ether_attach_inet6(struct ifnet *ifp)
386	{
387	struct dlil_proto_reg_str reg;
388	struct dlil_demux_desc desc;
389	u_long ip_dl_tag=0;
390	u_short en_6native=ETHERTYPE_IPV6;
391	int stat;
392	int i;
393
394
395	stat = dlil_find_dltag(ifp->if_family, ifp->if_unit, PF_INET6, &ip_dl_tag);
396	if (stat == 0)
397	return ip_dl_tag;
398
399	TAILQ_INIT(&reg.demux_desc_head);
400	desc.type = DLIL_DESC_RAW;
401	desc.variants.bitmask.proto_id_length = 0;
402	desc.variants.bitmask.proto_id = 0;
403	desc.variants.bitmask.proto_id_mask = 0;
404	desc.native_type = (char *) &en_6native;
405	TAILQ_INSERT_TAIL(&reg.demux_desc_head, &desc, next);
406	reg.interface_family = ifp->if_family;
407	reg.unit_number = ifp->if_unit;
408	reg.input = inet6_ether_input;
409	reg.pre_output = inet6_ether_pre_output;
410	reg.event = 0;
411	reg.offer = 0;
412	reg.ioctl = ether_inet6_prmod_ioctl;
413	reg.default_proto = 1;
414	reg.protocol_family = PF_INET6;
415
416	stat = dlil_attach_protocol(&reg, &ip_dl_tag);
417	if (stat) {
418	printf("WARNING: ether_attach_inet6 can't attach ip to interface\n");
419	return stat;
420	}
421
422	return ip_dl_tag;
423	}