[apple/xnu.git] / bsd / netat / aurp.h

/*
 * 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) 1996 Apple Computer, Inc. 
 *
 *		Created April 23, 1996, by Justin C. Walker
 *
 *	File: aurp.h
 */

#ifndef _NETAT_AURP_H_
#define	_NETAT_AURP_H_
#include <sys/appleapiopts.h>

/*
 * AURP device ioctl (I_STR) 'subcommands'
 */
#define AUC_CFGTNL	0	/* Configure Tunnels */
#define AUC_SHTDOWN	1	/* Shutdown AURP */
#define AUC_EXPNET	2	/* Configure exported networks */
#define AUC_HIDENET	3	/* Configure hidden netowrks */
#define AUC_UDPPORT	4	/* UPD Port number */
#define AUC_NETLIST	5	/* List of remote endpoints */
#define AUC_TIMER	6	/* Configured update interval timer */
#define AUC_ADDNET      7       /* Add remote endpoints */
#define AUC_ACCEPTALL   8       /* Accept all nets */
#define AUC_MAX         9       /* Maximun numbers of access nets */

/* Default AURP-over-UDP port */
#define AURP_SOCKNUM      387
#define AURP_MAXNETACCESS 64

#ifdef KERNEL
#ifdef __APPLE_API_PRIVATE

#define AURPCODE_REG                   0
#define AURPCODE_RTMPPKT               1
#define AURPCODE_DATAPKT               2
#define AURPCODE_AURPPROTO             3
#define AURPCODE_DEBUGINFO             10
#ifdef NOT_USED
#define AURPCODE_RTINFO 11 /* was used to set up pointers to the
			      routing table, the zone table, and 
			      several functions */
#endif
#define AURPCODE_RTUPDATE              12

#define AURPSTATE_Unconnected          0
#define AURPSTATE_Connected            1
#define AURPSTATE_WaitingForOpenRsp    2
#define AURPSTATE_WaitingForRIRsp      3
#define AURPSTATE_WaitingForTickleAck  4
#define AURPSTATE_WaitingForRIAck1     5
#define AURPSTATE_WaitingForRIAck2     6
#define AURPSTATE_WaitingForRIAck3     7

#define AURPCMD_RIReq                  1
#define AURPCMD_RIRsp                  2
#define AURPCMD_RIAck                  3
#define AURPCMD_RIUpd                  4
#define AURPCMD_RDReq                  5
#define AURPCMD_ZReq                   6
#define AURPCMD_ZRsp                   7
#define AURPCMD_OpenReq                8
#define AURPCMD_OpenRsp                9
#define AURPCMD_Tickle                 14
#define AURPCMD_TickleAck              15

#define AURPSUBCODE_ZoneInfo1          1
#define AURPSUBCODE_ZoneInfo2          2
#define AURPSUBCODE_GetZoneNets        3
#define AURPSUBCODE_GetDomainZoneList  4

#define AURPEV_Null                    0
#define AURPEV_NetAdded                1
#define AURPEV_NetDeleted              2
#define AURPEV_NetRouteChange          3
#define AURPEV_NetDistChange           4
#define AURPEV_NetZoneChange           5

#define AURP_Version                   1
#define AURP_ProbeRetryInterval        300
#define AURP_MaxTickleRetry            4
#define AURP_TickleRetryInterval       30
#define AURP_MaxRetry                  10
#define AURP_RetryInterval             3
#define AURP_UpdateRate                1
#define AURP_UDType                    0
#define AURP_UDNode                    1
#define AURP_UDSize                    2
#define AURP_FirstSeqNum               1
#define AURP_LastSeqNum                65535
#define AURP_MaxPktSize                1400
#define AURP_MaxNetAccess              64
#define AURP_NetHiden                  0x01

#define AURPERR_NormalConnectionClose  -1
#define AURPERR_RoutingLoopDetected    -2
#define AURPERR_ConnectionOutOfSync    -3
#define AURPERR_OptionNegotiationError -4
#define AURPERR_InvalidVersionNumber   -5
#define AURPERR_InsufficientResources  -6
#define AURPERR_AuthenticationError    -7

#define AURPFLG_NA    0x4000
#define AURPFLG_ND    0x2000
#define AURPFLG_NDC   0x1000
#define AURPFLG_ZC    0x0800
#define AURPFLG_RMA   0x4000
#define AURPFLG_HCRA  0x2000
#define AURPFLG_SZI   0x4000
#define AURPFLG_LAST  0x8000

/*
 * AURP state block
 */
typedef struct {
	unsigned char  get_zi;          /* get zone info flag */
	unsigned char  rem_node;        /* node id of a tunnel peer */
	unsigned char  tickle_retry;    /* tickle retry count */
	unsigned char  rcv_retry;       /* data receiver retry count */
	unsigned char  snd_state;       /* data sender state */
	unsigned char  rcv_state;       /* data receiver state */
	unsigned char  filler[2];
	unsigned short rcv_update_rate;
	unsigned short snd_next_entry;  /* next entry in RT */
	unsigned short rcv_env;
	unsigned short snd_sui;
	unsigned short rcv_connection_id;   /* data receiver connection id */
	unsigned short snd_connection_id;   /* data sender connection id */
	unsigned short rcv_sequence_number; /* data receiver sequence number */
	unsigned short snd_sequence_number; /* data sender sequence number */
	int   rcv_tmo;
	int   snd_tmo;
	gbuf_t *rsp_m;
	gbuf_t *upd_m;
} aurp_state_t;

/*
 * AURP protocol header
 */
typedef struct {
	unsigned short connection_id;
	unsigned short sequence_number;
	unsigned short command_code;
	unsigned short flags;
} aurp_hdr_t;

#ifdef AURP_SUPPORT

extern atlock_t aurpgen_lock;
extern gref_t *aurp_gref;
extern unsigned char dst_addr_cnt;
extern unsigned char net_access_cnt;
extern unsigned char net_export;
extern unsigned short rcv_connection_id;
extern int net_port;
extern int update_tmo;
extern aurp_state_t aurp_state[];
extern unsigned short net_access[];
#endif

struct myq
{	struct mbuf *q_head;
	struct mbuf *q_tail;
	int q_cnt;
};

#define LOCK_DECL(x)	atlock_t x

/*
 * Quandry: if we use a single socket, we have to rebind on each call.
 * If we use separate sockets per tunnel endpoint, we have to examine
 *  each one on wakeup.  What to do; what to do?
 */
struct aurp_global_t
{	int src_addr;		/* What's our IP address? */
	int udp_port;		/* Local UDP port */
	unsigned short net_access[AURP_MAXNETACCESS];
	long dst_addr[256];	/* Tunnel 'other ends', passed in from user */
	int pid;		/* Who are we? */
	struct socket *tunnel;	/* IP socket for all IP endpoints */
	int event;		/* Sleep queue anchor */
	int event_anchor;	/* Sleep queue anchor */
	atlock_t glock;		/* aurp_global lock */
	struct uio auio;	/* Dummy uio struct for soreceive() */
	/* Statistics */
	unsigned int toosmall;	/* size less than domain header, from UDP */
	unsigned int no_mbufs;	/* gbuf_to_mbuf failed */
	unsigned int no_gbufs;	/* mbuf_to_gbuf failed */
	unsigned int shutdown;	/* shutdown flag */
	unsigned int running;	/* running flag */
};

#define AE_ATALK	0x01	/* A/talk input event */
#define AE_UDPIP	0x02	/* UDP/IP input event */
#define AE_SHUTDOWN	0x04	/* Shutdown AURP process */
 
void aurp_wakeup __P((struct socket *, caddr_t, int));
struct mbuf *at_gbuf_to_mbuf __P((gbuf_t *));
gbuf_t *at_mbuf_to_gbuf __P((struct mbuf *, int));
int at_insert __P((gbuf_t *m, unsigned int type, unsigned int node));
int ddp_AURPfuncx __P((int code, void *param, unsigned char node));
int AURPinit __P((void));
int aurpd_start __P((void));
void atalk_to_ip __P((gbuf_t *m));
void AURPaccess __P((void));
void AURPshutdown __P((void));
void AURPiocack __P((gref_t *gref, gbuf_t *m));
void AURPiocnak __P((gref_t *gref, gbuf_t *m, int error));
void AURPsndZReq __P((aurp_state_t *state));
void AURPsndZRsp __P((aurp_state_t *state, gbuf_t *dat_m, int flag));
void AURPsndRIUpd __P((aurp_state_t *state));
void AURPsndRIReq __P((aurp_state_t *state));
void AURPsndRIAck __P((aurp_state_t *state, gbuf_t *m, unsigned short flags));
void AURPsndOpenReq __P((aurp_state_t *state));
void AURPsndRDReq __P((aurp_state_t *state));
void AURPrcvZReq __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvZRsp __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvRIUpd __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvRIReq __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvRIAck __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvRIRsp __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvOpenReq __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvOpenRsp __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvTickle __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvTickleAck __P((aurp_state_t *state, gbuf_t *m));
void AURPrcvRDReq __P((aurp_state_t *state, gbuf_t *m));
void AURPfreemsg __P((gbuf_t *m));
void AURPrtupdate __P((RT_entry *entry, unsigned char ev));
void AURPsend __P((gbuf_t *mdata, int type, int node));
void AURPcleanup __P((aurp_state_t *state));
void AURPpurgeri __P((unsigned char node));
int AURPgetri __P((short next_entry, unsigned char *buf, short *len));
int AURPsetri __P((unsigned char node, gbuf_t *m));
int AURPupdateri __P((unsigned char node, gbuf_t *m));

/* AURP header for IP tunneling */
typedef struct aurp_domain
{	char  dst_length;
	char  dst_authority;
	short dst_distinguisher;
	long  dst_address;
	char  src_length;
	char  src_authority;
	short src_distinguisher;
	long  src_address;
	short version;
	short reserved;
	short type;
} aurp_domain_t;

/* AURP/domain header constants */
#define AUD_Version	0x1
#define AUD_Atalk	0x2
#define AUD_AURP	0x3

/* IP domain identifier constants */
#define IP_LENGTH		7
#define IP_AUTHORITY		1
#define IP_DISTINGUISHER	0
/* Need this because the )(*&^%$#@ compiler rounds up the size */
#define IP_DOMAINSIZE		22

/****### LD 9/26/97*/
extern struct aurp_global_t aurp_global;
#endif /* __APPLE_API_PRIVATE */
#endif /* KERNEL */
#endif /* _NETAT_AURP_H_ */
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) 1996 Apple Computer, Inc.
	27	*
	28	* Created April 23, 1996, by Justin C. Walker
	29	*
	30	* File: aurp.h
	31	*/
	32
	33	#ifndef _NETAT_AURP_H_
	34	#define _NETAT_AURP_H_
9bccf70c	35	#include <sys/appleapiopts.h>
1c79356b A	36
	37	/*
	38	* AURP device ioctl (I_STR) 'subcommands'
	39	*/
	40	#define AUC_CFGTNL 0 /* Configure Tunnels */
	41	#define AUC_SHTDOWN 1 /* Shutdown AURP */
	42	#define AUC_EXPNET 2 /* Configure exported networks */
	43	#define AUC_HIDENET 3 /* Configure hidden netowrks */
	44	#define AUC_UDPPORT 4 /* UPD Port number */
	45	#define AUC_NETLIST 5 /* List of remote endpoints */
	46	#define AUC_TIMER 6 /* Configured update interval timer */
	47	#define AUC_ADDNET 7 /* Add remote endpoints */
	48	#define AUC_ACCEPTALL 8 /* Accept all nets */
	49	#define AUC_MAX 9 /* Maximun numbers of access nets */
	50
	51	/* Default AURP-over-UDP port */
	52	#define AURP_SOCKNUM 387
	53	#define AURP_MAXNETACCESS 64
	54
	55	#ifdef KERNEL
9bccf70c	56	#ifdef __APPLE_API_PRIVATE
1c79356b A	57
	58	#define AURPCODE_REG 0
	59	#define AURPCODE_RTMPPKT 1
	60	#define AURPCODE_DATAPKT 2
	61	#define AURPCODE_AURPPROTO 3
	62	#define AURPCODE_DEBUGINFO 10
	63	#ifdef NOT_USED
	64	#define AURPCODE_RTINFO 11 /* was used to set up pointers to the
	65	routing table, the zone table, and
	66	several functions */
	67	#endif
	68	#define AURPCODE_RTUPDATE 12
	69
	70	#define AURPSTATE_Unconnected 0
	71	#define AURPSTATE_Connected 1
	72	#define AURPSTATE_WaitingForOpenRsp 2
	73	#define AURPSTATE_WaitingForRIRsp 3
	74	#define AURPSTATE_WaitingForTickleAck 4
	75	#define AURPSTATE_WaitingForRIAck1 5
	76	#define AURPSTATE_WaitingForRIAck2 6
	77	#define AURPSTATE_WaitingForRIAck3 7
	78
	79	#define AURPCMD_RIReq 1
	80	#define AURPCMD_RIRsp 2
	81	#define AURPCMD_RIAck 3
	82	#define AURPCMD_RIUpd 4
	83	#define AURPCMD_RDReq 5
	84	#define AURPCMD_ZReq 6
	85	#define AURPCMD_ZRsp 7
	86	#define AURPCMD_OpenReq 8
	87	#define AURPCMD_OpenRsp 9
	88	#define AURPCMD_Tickle 14
	89	#define AURPCMD_TickleAck 15
	90
	91	#define AURPSUBCODE_ZoneInfo1 1
	92	#define AURPSUBCODE_ZoneInfo2 2
	93	#define AURPSUBCODE_GetZoneNets 3
	94	#define AURPSUBCODE_GetDomainZoneList 4
	95
	96	#define AURPEV_Null 0
	97	#define AURPEV_NetAdded 1
	98	#define AURPEV_NetDeleted 2
	99	#define AURPEV_NetRouteChange 3
	100	#define AURPEV_NetDistChange 4
	101	#define AURPEV_NetZoneChange 5
	102
	103	#define AURP_Version 1
	104	#define AURP_ProbeRetryInterval 300
	105	#define AURP_MaxTickleRetry 4
	106	#define AURP_TickleRetryInterval 30
	107	#define AURP_MaxRetry 10
	108	#define AURP_RetryInterval 3
	109	#define AURP_UpdateRate 1
	110	#define AURP_UDType 0
	111	#define AURP_UDNode 1
	112	#define AURP_UDSize 2
	113	#define AURP_FirstSeqNum 1
	114	#define AURP_LastSeqNum 65535
	115	#define AURP_MaxPktSize 1400
	116	#define AURP_MaxNetAccess 64
	117	#define AURP_NetHiden 0x01
	118
	119	#define AURPERR_NormalConnectionClose -1
	120	#define AURPERR_RoutingLoopDetected -2
121	#define AURPERR_ConnectionOutOfSync -3
122	#define AURPERR_OptionNegotiationError -4
123	#define AURPERR_InvalidVersionNumber -5
124	#define AURPERR_InsufficientResources -6
125	#define AURPERR_AuthenticationError -7
126
127	#define AURPFLG_NA 0x4000
128	#define AURPFLG_ND 0x2000
129	#define AURPFLG_NDC 0x1000
130	#define AURPFLG_ZC 0x0800
131	#define AURPFLG_RMA 0x4000
132	#define AURPFLG_HCRA 0x2000
133	#define AURPFLG_SZI 0x4000
134	#define AURPFLG_LAST 0x8000
135
136	/*
137	* AURP state block
138	*/
139	typedef struct {
140	unsigned char get_zi; /* get zone info flag */
141	unsigned char rem_node; /* node id of a tunnel peer */
142	unsigned char tickle_retry; /* tickle retry count */
143	unsigned char rcv_retry; /* data receiver retry count */
144	unsigned char snd_state; /* data sender state */
145	unsigned char rcv_state; /* data receiver state */
146	unsigned char filler[2];
147	unsigned short rcv_update_rate;
148	unsigned short snd_next_entry; /* next entry in RT */
149	unsigned short rcv_env;
150	unsigned short snd_sui;
151	unsigned short rcv_connection_id; /* data receiver connection id */
152	unsigned short snd_connection_id; /* data sender connection id */
153	unsigned short rcv_sequence_number; /* data receiver sequence number */
154	unsigned short snd_sequence_number; /* data sender sequence number */
155	int rcv_tmo;
156	int snd_tmo;
157	gbuf_t *rsp_m;
158	gbuf_t *upd_m;
159	} aurp_state_t;
160
161	/*
162	* AURP protocol header
163	*/
164	typedef struct {
165	unsigned short connection_id;
166	unsigned short sequence_number;
167	unsigned short command_code;
168	unsigned short flags;
169	} aurp_hdr_t;
170
1c79356b A	171	#ifdef AURP_SUPPORT
	172
	173	extern atlock_t aurpgen_lock;
	174	extern gref_t *aurp_gref;
	175	extern unsigned char dst_addr_cnt;
	176	extern unsigned char net_access_cnt;
	177	extern unsigned char net_export;
	178	extern unsigned short rcv_connection_id;
	179	extern int net_port;
	180	extern int update_tmo;
	181	extern aurp_state_t aurp_state[];
	182	extern unsigned short net_access[];
	183	#endif
	184
	185	struct myq
	186	{ struct mbuf *q_head;
	187	struct mbuf *q_tail;
	188	int q_cnt;
	189	};
	190
	191	#define LOCK_DECL(x) atlock_t x
	192
	193	/*
	194	* Quandry: if we use a single socket, we have to rebind on each call.
	195	* If we use separate sockets per tunnel endpoint, we have to examine
	196	* each one on wakeup. What to do; what to do?
	197	*/
	198	struct aurp_global_t
	199	{ int src_addr; /* What's our IP address? */
	200	int udp_port; /* Local UDP port */
	201	unsigned short net_access[AURP_MAXNETACCESS];
	202	long dst_addr[256]; /* Tunnel 'other ends', passed in from user */
	203	int pid; /* Who are we? */
	204	struct socket tunnel; / IP socket for all IP endpoints */
	205	int event; /* Sleep queue anchor */
	206	int event_anchor; /* Sleep queue anchor */
	207	atlock_t glock; /* aurp_global lock */
	208	struct uio auio; /* Dummy uio struct for soreceive() */
	209	/* Statistics */
	210	unsigned int toosmall; /* size less than domain header, from UDP */
	211	unsigned int no_mbufs; /* gbuf_to_mbuf failed */
	212	unsigned int no_gbufs; /* mbuf_to_gbuf failed */
	213	unsigned int shutdown; /* shutdown flag */
	214	unsigned int running; /* running flag */
	215	};
	216
	217	#define AE_ATALK 0x01 /* A/talk input event */
	218	#define AE_UDPIP 0x02 /* UDP/IP input event */
	219	#define AE_SHUTDOWN 0x04 /* Shutdown AURP process */
	220
	221	void aurp_wakeup __P((struct socket *, caddr_t, int));
	222	struct mbuf at_gbuf_to_mbuf __P((gbuf_t ));
	223	gbuf_t at_mbuf_to_gbuf __P((struct mbuf , int));
	224	int at_insert __P((gbuf_t *m, unsigned int type, unsigned int node));
	225	int ddp_AURPfuncx __P((int code, void *param, unsigned char node));
	226	int AURPinit __P((void));
	227	int aurpd_start __P((void));
	228	void atalk_to_ip __P((gbuf_t *m));
	229	void AURPaccess __P((void));
	230	void AURPshutdown __P((void));
	231	void AURPiocack __P((gref_t gref, gbuf_t m));
	232	void AURPiocnak __P((gref_t gref, gbuf_t m, int error));
	233	void AURPsndZReq __P((aurp_state_t *state));
	234	void AURPsndZRsp __P((aurp_state_t state, gbuf_t dat_m, int flag));
235	void AURPsndRIUpd __P((aurp_state_t *state));
236	void AURPsndRIReq __P((aurp_state_t *state));
237	void AURPsndRIAck __P((aurp_state_t state, gbuf_t m, unsigned short flags));
238	void AURPsndOpenReq __P((aurp_state_t *state));
239	void AURPsndRDReq __P((aurp_state_t *state));
240	void AURPrcvZReq __P((aurp_state_t state, gbuf_t m));
241	void AURPrcvZRsp __P((aurp_state_t state, gbuf_t m));
242	void AURPrcvRIUpd __P((aurp_state_t state, gbuf_t m));
243	void AURPrcvRIReq __P((aurp_state_t state, gbuf_t m));
244	void AURPrcvRIAck __P((aurp_state_t state, gbuf_t m));
245	void AURPrcvRIRsp __P((aurp_state_t state, gbuf_t m));
246	void AURPrcvOpenReq __P((aurp_state_t state, gbuf_t m));
247	void AURPrcvOpenRsp __P((aurp_state_t state, gbuf_t m));
248	void AURPrcvTickle __P((aurp_state_t state, gbuf_t m));
249	void AURPrcvTickleAck __P((aurp_state_t state, gbuf_t m));
250	void AURPrcvRDReq __P((aurp_state_t state, gbuf_t m));
251	void AURPfreemsg __P((gbuf_t *m));
252	void AURPrtupdate __P((RT_entry *entry, unsigned char ev));
253	void AURPsend __P((gbuf_t *mdata, int type, int node));
254	void AURPcleanup __P((aurp_state_t *state));
255	void AURPpurgeri __P((unsigned char node));
256	int AURPgetri __P((short next_entry, unsigned char buf, short len));
257	int AURPsetri __P((unsigned char node, gbuf_t *m));
258	int AURPupdateri __P((unsigned char node, gbuf_t *m));
259
1c79356b A	260	/* AURP header for IP tunneling */
	261	typedef struct aurp_domain
	262	{ char dst_length;
	263	char dst_authority;
	264	short dst_distinguisher;
	265	long dst_address;
	266	char src_length;
	267	char src_authority;
	268	short src_distinguisher;
	269	long src_address;
	270	short version;
	271	short reserved;
	272	short type;
	273	} aurp_domain_t;
	274
	275	/* AURP/domain header constants */
	276	#define AUD_Version 0x1
	277	#define AUD_Atalk 0x2
	278	#define AUD_AURP 0x3
	279
	280	/* IP domain identifier constants */
	281	#define IP_LENGTH 7
	282	#define IP_AUTHORITY 1
	283	#define IP_DISTINGUISHER 0
	284	/* Need this because the )(&^%$#@ compiler rounds up the size /
	285	#define IP_DOMAINSIZE 22
	286
	287	/***### LD 9/26/97/
	288	extern struct aurp_global_t aurp_global;
9bccf70c	289	#endif /* __APPLE_API_PRIVATE */
1c79356b A	290	#endif /* KERNEL */
1c79356b A	291	#endif /* _NETAT_AURP_H_ */