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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The 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, QUIET ENJOYMENT 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/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 */

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 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)
		rtunref(rt);
	    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);
                }
       *(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;


    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);
#ifndef __APPLE__
                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]);
#endif
                *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:
	/*
	 * IOKit IONetworkFamily will set the right MTU according to the driver
	 */

	 return (0);

    default:
	 return EOPNOTSUPP;
    }

    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    = 0;
    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;
}

int  ether_detach_inet6(struct ifnet *ifp)
{
    u_long      ip_dl_tag = 0;
    int         stat;

    stat = dlil_find_dltag(ifp->if_family, ifp->if_unit, PF_INET6, &ip_dl_tag);
    if (stat == 0) {
        stat = dlil_detach_protocol(ip_dl_tag);
        if (stat) {
            printf("WARNING: ether_detach_inet6 can't detach ip6 from interface\n");
        }
    }
    return stat;
}
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
43866e37	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
43866e37 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (c) 1982, 1989, 1993
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*
	57	*/
	58
	59
	60
	61	#include <sys/param.h>
	62	#include <sys/systm.h>
	63	#include <sys/kernel.h>
	64	#include <sys/malloc.h>
	65	#include <sys/mbuf.h>
	66	#include <sys/socket.h>
	67	#include <sys/sockio.h>
	68	#include <sys/sysctl.h>
	69
	70	#include <net/if.h>
	71	#include <net/netisr.h>
	72	#include <net/route.h>
	73	#include <net/if_llc.h>
	74	#include <net/if_dl.h>
	75	#include <net/if_types.h>
	76	#include <net/ndrv.h>
	77
	78	#include <netinet/in.h>
	79	#include <netinet/in_var.h>
	80	#include <netinet/if_ether.h>
	81	#include <netinet/in_systm.h>
	82	#include <netinet/ip.h>
	83
	84	#if INET6
	85	#include <netinet6/nd6.h>
86	#include <netinet6/in6_ifattach.h>
87	#endif
88
89
90
91	#include <sys/socketvar.h>
1c79356b A	92
	93	#include <net/dlil.h>
	94
	95
	96	#if LLC && CCITT
	97	extern struct ifqueue pkintrq;
	98	#endif
	99
	100
	101	#if BRIDGE
	102	#include <net/bridge.h>
	103	#endif
	104
	105	/* #include "vlan.h" */
	106	#if NVLAN > 0
	107	#include <net/if_vlan_var.h>
	108	#endif /* NVLAN > 0 */
	109
1c79356b A	110	static u_long lo_dlt = 0;
	111	static ivedonethis = 0;
	112	static u_char etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
	113
	114	#define IFP2AC(IFP) ((struct arpcom *)IFP)
	115
	116
	117
	118
	119	/*
	120	* Process a received Ethernet packet;
	121	* the packet is in the mbuf chain m without
	122	* the ether header, which is provided separately.
	123	*/
	124	int
	125	inet6_ether_input(m, frame_header, ifp, dl_tag, sync_ok)
	126	struct mbuf *m;
	127	char *frame_header;
	128	struct ifnet *ifp;
	129	u_long dl_tag;
	130	int sync_ok;
	131
	132	{
	133	register struct ether_header eh = (struct ether_header ) frame_header;
	134	register struct ifqueue *inq=0;
	135	u_short ether_type;
	136	int s;
	137	u_int16_t ptype = -1;
	138	unsigned char buf[18];
	139
	140
	141
	142	if ((ifp->if_flags & IFF_UP) == 0) {
	143	m_freem(m);
	144	return EJUSTRETURN;
	145	}
	146
	147	ifp->if_lastchange = time;
	148
	149	if (eh->ether_dhost[0] & 1) {
	150	if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
	151	sizeof(etherbroadcastaddr)) == 0)
	152	m->m_flags \|= M_BCAST;
	153	else
	154	m->m_flags \|= M_MCAST;
	155	}
	156	if (m->m_flags & (M_BCAST\|M_MCAST))
	157	ifp->if_imcasts++;
	158
	159	ether_type = ntohs(eh->ether_type);
	160
	161
	162	switch (ether_type) {
	163
	164	case ETHERTYPE_IPV6:
	165	schednetisr(NETISR_IPV6);
	166	inq = &ip6intrq;
	167	break;
	168
	169	default: {
	170	return ENOENT;
	171	}
	172	}
	173
174	if (inq == 0)
175	return ENOENT;
176
177	s = splimp();
178	if (IF_QFULL(inq)) {
179	IF_DROP(inq);
180	m_freem(m);
181	splx(s);
182	return EJUSTRETURN;
183	} else
184	IF_ENQUEUE(inq, m);
185	splx(s);
186
187
188	return 0;
189	}
190
191
192
193
194	int
195	inet6_ether_pre_output(ifp, m0, dst_netaddr, route, type, edst, dl_tag )
196	struct ifnet *ifp;
197	struct mbuf **m0;
198	struct sockaddr *dst_netaddr;
199	caddr_t route;
200	char *type;
201	char *edst;
202	u_long dl_tag;
203	{
204	struct rtentry rt0 = (struct rtentry ) route;
205	int s;
206	register struct mbuf m = m0;
207	register struct rtentry *rt;
208	register struct ether_header *eh;
1c79356b A	209	int hlen; /* link layer header lenght */
	210	struct arpcom *ac = IFP2AC(ifp);
	211
	212
	213
	214	if ((ifp->if_flags & (IFF_UP\|IFF_RUNNING)) != (IFF_UP\|IFF_RUNNING))
	215	return ENETDOWN;
	216
	217	rt = rt0;
	218	if (rt) {
	219	if ((rt->rt_flags & RTF_UP) == 0) {
	220	rt0 = rt = rtalloc1(dst_netaddr, 1, 0UL);
	221	if (rt0)
9bccf70c	222	rtunref(rt);
1c79356b A	223	else
	224	return EHOSTUNREACH;
	225	}
	226
	227	if (rt->rt_flags & RTF_GATEWAY) {
	228	if (rt->rt_gwroute == 0)
	229	goto lookup;
	230	if (((rt = rt->rt_gwroute)->rt_flags & RTF_UP) == 0) {
	231	rtfree(rt); rt = rt0;
	232	lookup: rt->rt_gwroute = rtalloc1(rt->rt_gateway, 1,
	233	0UL);
	234	if ((rt = rt->rt_gwroute) == 0)
	235	return (EHOSTUNREACH);
	236	}
	237	}
	238
	239
	240	if (rt->rt_flags & RTF_REJECT)
	241	if (rt->rt_rmx.rmx_expire == 0 \|\|
	242	time_second < rt->rt_rmx.rmx_expire)
	243	return (rt == rt0 ? EHOSTDOWN : EHOSTUNREACH);
	244	}
	245
	246	hlen = ETHER_HDR_LEN;
	247
	248	/*
	249	* Tell ether_frameout it's ok to loop packet unless negated below.
	250	*/
	251	m->m_flags \|= M_LOOP;
	252
	253	switch (dst_netaddr->sa_family) {
	254
	255
	256	case AF_INET6:
	257	if (!nd6_storelladdr(&ac->ac_if, rt, m, dst_netaddr, (u_char *)edst)) {
	258	/* this must be impossible, so we bark */
	259	printf("nd6_storelladdr failed\n");
	260	return(0);
	261	}
1c79356b A	262	(u_short )type = htons(ETHERTYPE_IPV6);
	263	break;
	264
	265	default:
	266	printf("%s%d: can't handle af%d\n", ifp->if_name, ifp->if_unit,
	267	dst_netaddr->sa_family);
	268
	269	return EAFNOSUPPORT;
	270	}
	271
	272	return (0);
	273	}
	274
	275
	276	int
	277	ether_inet6_prmod_ioctl(dl_tag, ifp, command, data)
	278	u_long dl_tag;
	279	struct ifnet *ifp;
	280	int command;
	281	caddr_t data;
	282	{
	283	struct ifaddr ifa = (struct ifaddr ) data;
	284	struct ifreq ifr = (struct ifreq ) data;
	285	struct rslvmulti_req rsreq = (struct rslvmulti_req ) data;
	286	int error = 0;
	287	boolean_t funnel_state;
	288	struct arpcom ac = (struct arpcom ) ifp;
	289	struct sockaddr_dl *sdl;
	290	struct sockaddr_in *sin;
	291	struct sockaddr_in6 *sin6;
	292
	293	u_char *e_addr;
	294
	295
1c79356b A	296	switch (command) {
	297	case SIOCRSLVMULTI: {
	298	switch(rsreq->sa->sa_family) {
	299
	300	case AF_INET6:
	301	sin6 = (struct sockaddr_in6 *)rsreq->sa;
	302	if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
	303	/*
	304	* An IP6 address of 0 means listen to all
	305	* of the Ethernet multicast address used for IP6.
	306	* (This is used for multicast routers.)
	307	*/
	308	ifp->if_flags \|= IFF_ALLMULTI;
	309	*rsreq->llsa = 0;
	310	return 0;
	311	}
	312	MALLOC(sdl, struct sockaddr_dl , sizeof sdl, M_IFMADDR,
	313	M_WAITOK);
	314	sdl->sdl_len = sizeof *sdl;
	315	sdl->sdl_family = AF_LINK;
	316	sdl->sdl_index = ifp->if_index;
	317	sdl->sdl_type = IFT_ETHER;
	318	sdl->sdl_nlen = 0;
	319	sdl->sdl_alen = ETHER_ADDR_LEN;
	320	sdl->sdl_slen = 0;
	321	e_addr = LLADDR(sdl);
	322	ETHER_MAP_IPV6_MULTICAST(&sin6->sin6_addr, e_addr);
9bccf70c	323	#ifndef __APPLE__
1c79356b A	324	printf("ether_resolvemulti AF_INET6 Adding %x:%x:%x:%x:%x:%x\n",
1c79356b A	325	e_addr[0], e_addr[1], e_addr[2], e_addr[3], e_addr[4], e_addr[5]);
9bccf70c	326	#endif
1c79356b A	327	rsreq->llsa = (struct sockaddr )sdl;
	328	return 0;
	329
	330	default:
	331	/*
	332	* Well, the text isn't quite right, but it's the name
	333	* that counts...
	334	*/
	335	return EAFNOSUPPORT;
	336	}
	337
	338	}
	339	case SIOCSIFADDR:
	340	if ((ifp->if_flags & IFF_RUNNING) == 0) {
	341	ifp->if_flags \|= IFF_UP;
	342	dlil_ioctl(0, ifp, SIOCSIFFLAGS, (caddr_t) 0);
	343	}
	344
	345	break;
	346
	347	case SIOCGIFADDR:
	348	{
	349	struct sockaddr *sa;
	350
	351	sa = (struct sockaddr *) & ifr->ifr_data;
	352	bcopy(IFP2AC(ifp)->ac_enaddr,
	353	(caddr_t) sa->sa_data, ETHER_ADDR_LEN);
	354	}
	355	break;
	356
	357	case SIOCSIFMTU:
	358	/*
9bccf70c	359	* IOKit IONetworkFamily will set the right MTU according to the driver
1c79356b	360	*/
9bccf70c A	361
9bccf70c A	362	return (0);
1c79356b A	363
	364	default:
	365	return EOPNOTSUPP;
	366	}
	367
1c79356b A	368	return (error);
	369	}
	370
	371
	372
	373
	374
	375	u_long ether_attach_inet6(struct ifnet *ifp)
	376	{
	377	struct dlil_proto_reg_str reg;
	378	struct dlil_demux_desc desc;
	379	u_long ip_dl_tag=0;
	380	u_short en_6native=ETHERTYPE_IPV6;
	381	int stat;
	382	int i;
	383
	384
	385	stat = dlil_find_dltag(ifp->if_family, ifp->if_unit, PF_INET6, &ip_dl_tag);
	386	if (stat == 0)
	387	return ip_dl_tag;
	388
	389	TAILQ_INIT(&reg.demux_desc_head);
	390	desc.type = DLIL_DESC_RAW;
	391	desc.variants.bitmask.proto_id_length = 0;
	392	desc.variants.bitmask.proto_id = 0;
	393	desc.variants.bitmask.proto_id_mask = 0;
	394	desc.native_type = (char *) &en_6native;
	395	TAILQ_INSERT_TAIL(&reg.demux_desc_head, &desc, next);
	396	reg.interface_family = ifp->if_family;
	397	reg.unit_number = ifp->if_unit;
	398	reg.input = inet6_ether_input;
	399	reg.pre_output = inet6_ether_pre_output;
	400	reg.event = 0;
	401	reg.offer = 0;
	402	reg.ioctl = ether_inet6_prmod_ioctl;
0b4e3aa0	403	reg.default_proto = 0;
1c79356b A	404	reg.protocol_family = PF_INET6;
	405
	406	stat = dlil_attach_protocol(&reg, &ip_dl_tag);
	407	if (stat) {
	408	printf("WARNING: ether_attach_inet6 can't attach ip to interface\n");
	409	return stat;
	410	}
	411
	412	return ip_dl_tag;
	413	}
9bccf70c A	414
	415	int ether_detach_inet6(struct ifnet *ifp)
	416	{
	417	u_long ip_dl_tag = 0;
	418	int stat;
	419
	420	stat = dlil_find_dltag(ifp->if_family, ifp->if_unit, PF_INET6, &ip_dl_tag);
	421	if (stat == 0) {
	422	stat = dlil_detach_protocol(ip_dl_tag);
	423	if (stat) {
	424	printf("WARNING: ether_detach_inet6 can't detach ip6 from interface\n");
	425	}
	426	}
	427	return stat;
	428	}
	429