[apple/xnu.git] / bsd / netat / drv_dep.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 1994 Apple Computer, Inc.
 * All Rights Reserved.
 *
 * Tuyen A. Nguyen. (December 5, 1994)
 *   Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
 */

#include <sys/errno.h>
#include <sys/types.h>
#include <sys/param.h>
#include <machine/spl.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/filedesc.h>
#include <sys/fcntl.h>
#include <sys/mbuf.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sockio.h>

#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/ethernet.h>

#include <netat/sysglue.h>
#include <netat/appletalk.h>
#include <netat/at_pcb.h>
#include <netat/at_var.h>
#include <netat/ddp.h>
#include <netat/at_aarp.h>
#include <netat/at_pat.h>
#include <netat/debug.h>

#define DSAP_SNAP 0xaa

extern void gref_init(), atp_init(), atp_link(), atp_unlink();

extern int adspInited;

static llc_header_t	snap_hdr_at = SNAP_HDR_AT;
static llc_header_t	snap_hdr_aarp = SNAP_HDR_AARP;
static unsigned char snap_proto_ddp[5] = SNAP_PROTO_AT;
static unsigned char snap_proto_aarp[5] = SNAP_PROTO_AARP;

int pktsIn, pktsOut;

struct ifqueue atalkintrq; 	/* appletalk and aarp packet input queue */

short appletalk_inited = 0;

extern atlock_t 
	ddpall_lock, ddpinp_lock, arpinp_lock, refall_lock, nve_lock,
  	aspall_lock, asptmo_lock, atpall_lock, atptmo_lock, atpgen_lock;

extern int (*sys_ATsocket )(), (*sys_ATgetmsg)(), (*sys_ATputmsg)();
extern int (*sys_ATPsndreq)(), (*sys_ATPsndrsp)();
extern int (*sys_ATPgetreq)(), (*sys_ATPgetrsp)();

void atalk_load()
{
	extern int _ATsocket(), _ATgetmsg(), _ATputmsg();
	extern int _ATPsndreq(), _ATPsndrsp(), _ATPgetreq(), _ATPgetrsp();

	sys_ATsocket  = _ATsocket;
	sys_ATgetmsg  = _ATgetmsg;
	sys_ATputmsg  = _ATputmsg;
	sys_ATPsndreq = _ATPsndreq;
	sys_ATPsndrsp = _ATPsndrsp;
	sys_ATPgetreq = _ATPgetreq;
	sys_ATPgetrsp = _ATPgetrsp;

	ATLOCKINIT(ddpall_lock);
	ATLOCKINIT(ddpinp_lock);
	ATLOCKINIT(arpinp_lock);
	ATLOCKINIT(refall_lock);
	ATLOCKINIT(aspall_lock);
	ATLOCKINIT(asptmo_lock);
	ATLOCKINIT(atpall_lock);
	ATLOCKINIT(atptmo_lock);
	ATLOCKINIT(atpgen_lock);
	ATLOCKINIT(nve_lock);

	atp_init();
	atp_link();
	adspInited = 0;

/*	adsp_init(); 
		for 2225395
		this happens in adsp_open and is undone on ADSP_UNLINK 
*/
} /* atalk_load */

/* Undo everything atalk_load() did. */
void atalk_unload()  /* not currently used */
{
	extern gbuf_t *scb_resource_m;
	extern gbuf_t *atp_resource_m;

	sys_ATsocket  = 0;
	sys_ATgetmsg  = 0;
	sys_ATputmsg  = 0;
	sys_ATPsndreq = 0;
	sys_ATPsndrsp = 0;
	sys_ATPgetreq = 0;
	sys_ATPgetrsp = 0;

	atp_unlink();

#ifdef NOT_YET
	if (scb_resource_m) { 
		gbuf_freem(scb_resource_m);
		scb_resource_m = 0;
		scb_free_list = 0;
	}
	/* allocated in atp_trans_alloc() */
	if (atp_resource_m) {
		gbuf_freem(atp_resource_m);
		atp_resource_m = 0;
		atp_trans_free_list = 0;
	}
#endif

	appletalk_inited = 0;
} /* atalk_unload */

void appletalk_hack_start()
{
	if (!appletalk_inited) {
		atalk_load();
		atalkintrq.ifq_maxlen = IFQ_MAXLEN; 
		appletalk_inited = 1;
	}
} /* appletalk_hack_start */

int pat_output(patp, mlist, dst_addr, type)
	at_ifaddr_t *patp;
	struct mbuf *mlist;			/* packet chain */
	unsigned char *dst_addr;
	int 	type;
{
	struct mbuf *m, *m1;
	llc_header_t *llc_header;
	struct sockaddr dst;

	if (! patp->aa_ifp) {
		for (m = mlist; m; m = mlist) {
			mlist = m->m_nextpkt;
			m->m_nextpkt = 0;
			m_freem(m);
		}
		return ENOTREADY;
	}

	/* this is for ether_output */
	dst.sa_family = AF_APPLETALK;
	dst.sa_len = 2 + sizeof(struct etalk_addr);
	bcopy (dst_addr, &dst.sa_data[0], sizeof(struct etalk_addr)); 

	/* packet chains are used on output and can be tested using aufs */
	for (m = mlist; m; m = mlist) {
		mlist = m->m_nextpkt;
		m->m_nextpkt = 0;

		M_PREPEND(m, sizeof(llc_header_t), M_DONTWAIT);
		if (m == 0) {
			continue;
		}

		llc_header = mtod(m, llc_header_t *);
		*llc_header = 
		  (type == AARP_AT_TYPE) ? snap_hdr_aarp : snap_hdr_at;

		for (m->m_pkthdr.len = 0, m1 = m; m1; m1 = m1->m_next)
			m->m_pkthdr.len += m1->m_len;
		m->m_pkthdr.rcvif = 0;

		/* *** Note: AT is sending out mbufs of type MSG_DATA,
		   not MT_DATA.  *** */
#ifdef APPLETALK_DEBUG
		if (m->m_next && 
		    !((m->m_next)->m_flags & M_EXT))
			kprintf("po: mlen= %d, m2len= %d\n", m->m_len, 
				(m->m_next)->m_len);
#endif
		dlil_output(patp->at_dl_tag, m, NULL, &dst, 0);

		pktsOut++;
	}

	return 0;
} /* pat_output */

void atalkintr()
{
	struct mbuf *m, *m1, *mlist = NULL;
	struct ifnet *ifp;
	int s;
	llc_header_t *llc_header;
	at_ifaddr_t *ifID;
	char src[6];
	enet_header_t *enet_header;
		
next:
	s = splimp();
	IF_DEQUEUE(&atalkintrq, m);
	splx(s);	

	if (m == 0) 
		return;	

	for ( ; m ; m = mlist) {
	  mlist = m->m_nextpkt;
#ifdef APPLETALK_DEBUG
	  /* packet chains are not yet in use on input */
	  if (mlist) kprintf("atalkintr: packet chain\n");
#endif
	  m->m_nextpkt = 0;

	  if (!appletalk_inited) {
		m_freem(m);
		continue;
	  }

	  if ((m->m_flags & M_PKTHDR) == 0) {
#ifdef APPLETALK_DEBUG
                kprintf("atalkintr: no HDR on packet received");
#endif
		m_freem(m);
		continue;
	  }

	  /* make sure the interface this packet was received on is configured
	     for AppleTalk */
	  ifp = m->m_pkthdr.rcvif;
	  TAILQ_FOREACH(ifID, &at_ifQueueHd, aa_link) {
		if (ifID->aa_ifp && (ifID->aa_ifp == ifp)) 
			break;
	  }
	  /* if we didn't find a matching interface */
	  if (!ifID) {
		m_freem(m);
		continue; /* was EAFNOSUPPORT */
	  }

	  /* make sure the entire packet header is in the current mbuf */
	  if (m->m_len < ENET_LLC_SIZE &&
	      (m = m_pullup(m, ENET_LLC_SIZE)) == 0) {
#ifdef APPLETALK_DEBUG
		kprintf("atalkintr: packet too small\n");
#endif
		m_freem(m);
		continue;
	  }
	  enet_header = mtod(m, enet_header_t *);

	  /* Ignore multicast packets from local station */
	  /* *** Note: code for IFTYPE_TOKENTALK may be needed here. *** */
	  if (ifID->aa_ifp->if_type == IFT_ETHER) {
		bcopy((char *)enet_header->src, src, sizeof(src));

#ifdef COMMENT  /* In order to receive packets from the Blue Box, we cannot 
		   reject packets whose source address matches our local address.
		*/
		if ((enet_header->dst[0] & 1) && 
		    (bcmp(src, ifID->xaddr, sizeof(src)) == 0)) {
		  /* Packet rejected: think it's a local mcast. */
		  m_freem(m);
		  continue; /* was EAFNOSUPPORT */
		}
#endif COMMENT

		llc_header = (llc_header_t *)(enet_header+1);

		/* advance the mbuf pointers past the ethernet header */
		m->m_data += ENET_LLC_SIZE;
		m->m_len -= ENET_LLC_SIZE;

		pktsIn++;

		if (LLC_PROTO_EQUAL(llc_header->protocol,snap_proto_aarp)) {
	       		(void)aarp_rcv_pkt(mtod(m, aarp_pkt_t *), ifID);
			m_freem(m);
		} 
		else if (LLC_PROTO_EQUAL(llc_header->protocol, snap_proto_ddp)) {
			/* if we're a router take all pkts */
			if (!ROUTING_MODE) {
			  if (aarp_chk_addr(mtod(m, at_ddp_t  *), ifID)
			      == AARP_ERR_NOT_OURS) {
#ifdef APPLETALK_DEBUG
			    kprintf("pat_input: Packet Rejected: not for us? dest=%x.%x.%x.%x.%x.%x LLC_PROTO= %02x%02x\n",
				    enet_header->dst[0], enet_header->dst[1], 
				    enet_header->dst[2], enet_header->dst[3], 
				    enet_header->dst[4], enet_header->dst[5], 
				    llc_header->protocol[3],
				    llc_header->protocol[4]);
#endif
			    m_freem(m);
			    continue; /* was EAFNOSUPPORT */
			  }
			}
			MCHTYPE(m, MSG_DATA); /* set the mbuf type */

			ifID->stats.rcv_packets++;
			for (m1 = m; m1; m1 = m1->m_next)
				ifID->stats.rcv_bytes += m1->m_len;

			if (!MULTIPORT_MODE)
				ddp_glean(m, ifID, src);

			ddp_input(m, ifID);
		} else {
#ifdef APPLETALK_DEBUG
		  	kprintf("pat_input: Packet Rejected: wrong LLC_PROTO = %02x%02x\n",
				llc_header->protocol[3],
				llc_header->protocol[4]);
#endif
			m_freem(m);
		}
	      }
	}
	goto next;
} /* atalkintr */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
de355530 A	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.
1c79356b	11	*
de355530 A	12	* This Original Code and all software distributed under the License are
de355530 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
de355530 A	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.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright 1994 Apple Computer, Inc.
	24	* All Rights Reserved.
	25	*
	26	* Tuyen A. Nguyen. (December 5, 1994)
	27	* Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
	28	*/
	29
	30	#include <sys/errno.h>
	31	#include <sys/types.h>
	32	#include <sys/param.h>
	33	#include <machine/spl.h>
	34	#include <sys/systm.h>
	35	#include <sys/kernel.h>
	36	#include <sys/proc.h>
	37	#include <sys/filedesc.h>
	38	#include <sys/fcntl.h>
	39	#include <sys/mbuf.h>
	40	#include <sys/ioctl.h>
	41	#include <sys/malloc.h>
	42	#include <sys/socket.h>
	43	#include <sys/socketvar.h>
	44	#include <sys/sockio.h>
	45
	46	#include <net/if.h>
	47	#include <net/if_types.h>
	48	#include <net/if_dl.h>
1c79356b	49	#include <net/ethernet.h>
1c79356b A	50
	51	#include <netat/sysglue.h>
	52	#include <netat/appletalk.h>
	53	#include <netat/at_pcb.h>
	54	#include <netat/at_var.h>
	55	#include <netat/ddp.h>
	56	#include <netat/at_aarp.h>
	57	#include <netat/at_pat.h>
	58	#include <netat/debug.h>
	59
	60	#define DSAP_SNAP 0xaa
	61
	62	extern void gref_init(), atp_init(), atp_link(), atp_unlink();
	63
	64	extern int adspInited;
	65
	66	static llc_header_t snap_hdr_at = SNAP_HDR_AT;
	67	static llc_header_t snap_hdr_aarp = SNAP_HDR_AARP;
	68	static unsigned char snap_proto_ddp[5] = SNAP_PROTO_AT;
	69	static unsigned char snap_proto_aarp[5] = SNAP_PROTO_AARP;
	70
	71	int pktsIn, pktsOut;
	72
	73	struct ifqueue atalkintrq; /* appletalk and aarp packet input queue */
	74
	75	short appletalk_inited = 0;
	76
	77	extern atlock_t
	78	ddpall_lock, ddpinp_lock, arpinp_lock, refall_lock, nve_lock,
	79	aspall_lock, asptmo_lock, atpall_lock, atptmo_lock, atpgen_lock;
	80
	81	extern int (sys_ATsocket )(), (sys_ATgetmsg)(), (*sys_ATputmsg)();
	82	extern int (sys_ATPsndreq)(), (sys_ATPsndrsp)();
	83	extern int (sys_ATPgetreq)(), (sys_ATPgetrsp)();
	84
	85	void atalk_load()
	86	{
	87	extern int _ATsocket(), _ATgetmsg(), _ATputmsg();
	88	extern int _ATPsndreq(), _ATPsndrsp(), _ATPgetreq(), _ATPgetrsp();
	89
	90	sys_ATsocket = _ATsocket;
	91	sys_ATgetmsg = _ATgetmsg;
	92	sys_ATputmsg = _ATputmsg;
	93	sys_ATPsndreq = _ATPsndreq;
	94	sys_ATPsndrsp = _ATPsndrsp;
	95	sys_ATPgetreq = _ATPgetreq;
	96	sys_ATPgetrsp = _ATPgetrsp;
	97
	98	ATLOCKINIT(ddpall_lock);
	99	ATLOCKINIT(ddpinp_lock);
	100	ATLOCKINIT(arpinp_lock);
	101	ATLOCKINIT(refall_lock);
	102	ATLOCKINIT(aspall_lock);
	103	ATLOCKINIT(asptmo_lock);
	104	ATLOCKINIT(atpall_lock);
	105	ATLOCKINIT(atptmo_lock);
	106	ATLOCKINIT(atpgen_lock);
	107	ATLOCKINIT(nve_lock);
	108
	109	atp_init();
	110	atp_link();
	111	adspInited = 0;
	112
	113	/* adsp_init();
114	for 2225395
115	this happens in adsp_open and is undone on ADSP_UNLINK
116	*/
117	} /* atalk_load */
118
119	/* Undo everything atalk_load() did. */
120	void atalk_unload() /* not currently used */
121	{
122	extern gbuf_t *scb_resource_m;
123	extern gbuf_t *atp_resource_m;
124
125	sys_ATsocket = 0;
126	sys_ATgetmsg = 0;
127	sys_ATputmsg = 0;
128	sys_ATPsndreq = 0;
129	sys_ATPsndrsp = 0;
130	sys_ATPgetreq = 0;
131	sys_ATPgetrsp = 0;
132
133	atp_unlink();
134
135	#ifdef NOT_YET
136	if (scb_resource_m) {
137	gbuf_freem(scb_resource_m);
138	scb_resource_m = 0;
139	scb_free_list = 0;
140	}
141	/* allocated in atp_trans_alloc() */
142	if (atp_resource_m) {
143	gbuf_freem(atp_resource_m);
144	atp_resource_m = 0;
145	atp_trans_free_list = 0;
146	}
147	#endif
148
149	appletalk_inited = 0;
150	} /* atalk_unload */
151
152	void appletalk_hack_start()
153	{
154	if (!appletalk_inited) {
155	atalk_load();
156	atalkintrq.ifq_maxlen = IFQ_MAXLEN;
157	appletalk_inited = 1;
158	}
159	} /* appletalk_hack_start */
160
161	int pat_output(patp, mlist, dst_addr, type)
162	at_ifaddr_t *patp;
163	struct mbuf mlist; / packet chain */
164	unsigned char *dst_addr;
165	int type;
166	{
167	struct mbuf m, m1;
168	llc_header_t *llc_header;
169	struct sockaddr dst;
170
171	if (! patp->aa_ifp) {
172	for (m = mlist; m; m = mlist) {
173	mlist = m->m_nextpkt;
174	m->m_nextpkt = 0;
175	m_freem(m);
176	}
177	return ENOTREADY;
178	}
179
180	/* this is for ether_output */
181	dst.sa_family = AF_APPLETALK;
182	dst.sa_len = 2 + sizeof(struct etalk_addr);
183	bcopy (dst_addr, &dst.sa_data[0], sizeof(struct etalk_addr));
184
185	/* packet chains are used on output and can be tested using aufs */
186	for (m = mlist; m; m = mlist) {
187	mlist = m->m_nextpkt;
188	m->m_nextpkt = 0;
189
9bccf70c	190	M_PREPEND(m, sizeof(llc_header_t), M_DONTWAIT);
1c79356b A	191	if (m == 0) {
	192	continue;
	193	}
	194
	195	llc_header = mtod(m, llc_header_t *);
	196	*llc_header =
	197	(type == AARP_AT_TYPE) ? snap_hdr_aarp : snap_hdr_at;
	198
	199	for (m->m_pkthdr.len = 0, m1 = m; m1; m1 = m1->m_next)
	200	m->m_pkthdr.len += m1->m_len;
	201	m->m_pkthdr.rcvif = 0;
	202
	203	/* *** Note: AT is sending out mbufs of type MSG_DATA,
	204	not MT_DATA. *** */
	205	#ifdef APPLETALK_DEBUG
	206	if (m->m_next &&
	207	!((m->m_next)->m_flags & M_EXT))
	208	kprintf("po: mlen= %d, m2len= %d\n", m->m_len,
	209	(m->m_next)->m_len);
	210	#endif
	211	dlil_output(patp->at_dl_tag, m, NULL, &dst, 0);
	212
	213	pktsOut++;
	214	}
	215
	216	return 0;
	217	} /* pat_output */
	218
	219	void atalkintr()
	220	{
	221	struct mbuf m, m1, *mlist = NULL;
	222	struct ifnet *ifp;
	223	int s;
	224	llc_header_t *llc_header;
	225	at_ifaddr_t *ifID;
	226	char src[6];
	227	enet_header_t *enet_header;
	228
	229	next:
	230	s = splimp();
	231	IF_DEQUEUE(&atalkintrq, m);
	232	splx(s);
	233
	234	if (m == 0)
	235	return;
	236
	237	for ( ; m ; m = mlist) {
	238	mlist = m->m_nextpkt;
	239	#ifdef APPLETALK_DEBUG
	240	/* packet chains are not yet in use on input */
	241	if (mlist) kprintf("atalkintr: packet chain\n");
	242	#endif
	243	m->m_nextpkt = 0;
	244
	245	if (!appletalk_inited) {
	246	m_freem(m);
	247	continue;
	248	}
	249
	250	if ((m->m_flags & M_PKTHDR) == 0) {
	251	#ifdef APPLETALK_DEBUG
	252	kprintf("atalkintr: no HDR on packet received");
	253	#endif
	254	m_freem(m);
255	continue;
256	}
257
258	/* make sure the interface this packet was received on is configured
259	for AppleTalk */
260	ifp = m->m_pkthdr.rcvif;
261	TAILQ_FOREACH(ifID, &at_ifQueueHd, aa_link) {
262	if (ifID->aa_ifp && (ifID->aa_ifp == ifp))
263	break;
264	}
265	/* if we didn't find a matching interface */
266	if (!ifID) {
267	m_freem(m);
268	continue; /* was EAFNOSUPPORT */
269	}
270
271	/* make sure the entire packet header is in the current mbuf */
272	if (m->m_len < ENET_LLC_SIZE &&
273	(m = m_pullup(m, ENET_LLC_SIZE)) == 0) {
274	#ifdef APPLETALK_DEBUG
275	kprintf("atalkintr: packet too small\n");
276	#endif
277	m_freem(m);
278	continue;
279	}
280	enet_header = mtod(m, enet_header_t *);
281
282	/* Ignore multicast packets from local station */
283	/* * Note: code for IFTYPE_TOKENTALK may be needed here. * */
284	if (ifID->aa_ifp->if_type == IFT_ETHER) {
285	bcopy((char *)enet_header->src, src, sizeof(src));
286
287	#ifdef COMMENT /* In order to receive packets from the Blue Box, we cannot
288	reject packets whose source address matches our local address.
289	*/
290	if ((enet_header->dst[0] & 1) &&
291	(bcmp(src, ifID->xaddr, sizeof(src)) == 0)) {
292	/* Packet rejected: think it's a local mcast. */
293	m_freem(m);
294	continue; /* was EAFNOSUPPORT */
295	}
296	#endif COMMENT
297
298	llc_header = (llc_header_t *)(enet_header+1);
299
300	/* advance the mbuf pointers past the ethernet header */
301	m->m_data += ENET_LLC_SIZE;
302	m->m_len -= ENET_LLC_SIZE;
303
304	pktsIn++;
305
306	if (LLC_PROTO_EQUAL(llc_header->protocol,snap_proto_aarp)) {
307	(void)aarp_rcv_pkt(mtod(m, aarp_pkt_t *), ifID);
308	m_freem(m);
309	}
310	else if (LLC_PROTO_EQUAL(llc_header->protocol, snap_proto_ddp)) {
311	/* if we're a router take all pkts */
312	if (!ROUTING_MODE) {
313	if (aarp_chk_addr(mtod(m, at_ddp_t *), ifID)
314	== AARP_ERR_NOT_OURS) {
315	#ifdef APPLETALK_DEBUG
316	kprintf("pat_input: Packet Rejected: not for us? dest=%x.%x.%x.%x.%x.%x LLC_PROTO= %02x%02x\n",
317	enet_header->dst[0], enet_header->dst[1],
318	enet_header->dst[2], enet_header->dst[3],
319	enet_header->dst[4], enet_header->dst[5],
320	llc_header->protocol[3],
321	llc_header->protocol[4]);
322	#endif
323	m_freem(m);
324	continue; /* was EAFNOSUPPORT */
325	}
326	}
327	MCHTYPE(m, MSG_DATA); /* set the mbuf type */
328
329	ifID->stats.rcv_packets++;
330	for (m1 = m; m1; m1 = m1->m_next)
331	ifID->stats.rcv_bytes += m1->m_len;
332
333	if (!MULTIPORT_MODE)
334	ddp_glean(m, ifID, src);
335
336	ddp_input(m, ifID);
337	} else {
338	#ifdef APPLETALK_DEBUG
339	kprintf("pat_input: Packet Rejected: wrong LLC_PROTO = %02x%02x\n",
340	llc_header->protocol[3],
341	llc_header->protocol[4]);
342	#endif
343	m_freem(m);
344	}
345	}
346	}
347	goto next;
348	} /* atalkintr */