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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * 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. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * 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_OSREFERENCE_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>

#ifdef __APPLE_API_OBSOLETE

/*
 * 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_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

#include <sys/uio_internal.h>

/*
 * 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(struct socket *, caddr_t, int);
struct mbuf *at_gbuf_to_mbuf(gbuf_t *);
gbuf_t *at_mbuf_to_gbuf(struct mbuf *, int);
int at_insert(gbuf_t *m, unsigned int type, unsigned int node);
int ddp_AURPfuncx(int code, void *param, unsigned char node);
int AURPinit(void);
int aurpd_start(void);
void atalk_to_ip(gbuf_t *m);
void AURPaccess(void);
void AURPshutdown(void);
void AURPiocack(gref_t *gref, gbuf_t *m);
void AURPiocnak(gref_t *gref, gbuf_t *m, int error);
void AURPsndZReq(aurp_state_t *state);
void AURPsndZRsp(aurp_state_t *state, gbuf_t *dat_m, int flag);
void AURPsndRIUpd(aurp_state_t *state);
void AURPsndRIReq(aurp_state_t *state);
void AURPsndRIAck(aurp_state_t *state, gbuf_t *m, unsigned short flags);
void AURPsndOpenReq(aurp_state_t *state);
void AURPsndRDReq(aurp_state_t *state);
void AURPrcvZReq(aurp_state_t *state, gbuf_t *m);
void AURPrcvZRsp(aurp_state_t *state, gbuf_t *m);
void AURPrcvRIUpd(aurp_state_t *state, gbuf_t *m);
void AURPrcvRIReq(aurp_state_t *state, gbuf_t *m);
void AURPrcvRIAck(aurp_state_t *state, gbuf_t *m);
void AURPrcvRIRsp(aurp_state_t *state, gbuf_t *m);
void AURPrcvOpenReq(aurp_state_t *state, gbuf_t *m);
void AURPrcvOpenRsp(aurp_state_t *state, gbuf_t *m);
void AURPrcvTickle(aurp_state_t *state, gbuf_t *m);
void AURPrcvTickleAck(aurp_state_t *state, gbuf_t *m);
void AURPrcvRDReq(aurp_state_t *state, gbuf_t *m);
void AURPfreemsg(gbuf_t *m);
void AURPrtupdate(RT_entry *entry, unsigned char ev);
void AURPsend(gbuf_t *mdata, int type, int node);
void AURPcleanup(aurp_state_t *state);
void AURPpurgeri(unsigned char node);
int AURPgetri(short next_entry, unsigned char *buf, short *len);
int AURPsetri(unsigned char node, gbuf_t *m);
int AURPupdateri(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 /* KERNEL_PRIVATE */
#endif /* __APPLE_API_OBSOLETE */
#endif /* _NETAT_AURP_H_ */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright (c) 1996 Apple Computer, Inc.
	30	*
	31	* Created April 23, 1996, by Justin C. Walker
	32	*
	33	* File: aurp.h
	34	*/
	35
	36	#ifndef _NETAT_AURP_H_
	37	#define _NETAT_AURP_H_
9bccf70c	38	#include <sys/appleapiopts.h>
1c79356b	39
91447636 A	40	#ifdef __APPLE_API_OBSOLETE
91447636 A	41
1c79356b A	42	/*
	43	* AURP device ioctl (I_STR) 'subcommands'
	44	*/
	45	#define AUC_CFGTNL 0 /* Configure Tunnels */
	46	#define AUC_SHTDOWN 1 /* Shutdown AURP */
	47	#define AUC_EXPNET 2 /* Configure exported networks */
	48	#define AUC_HIDENET 3 /* Configure hidden netowrks */
	49	#define AUC_UDPPORT 4 /* UPD Port number */
	50	#define AUC_NETLIST 5 /* List of remote endpoints */
	51	#define AUC_TIMER 6 /* Configured update interval timer */
	52	#define AUC_ADDNET 7 /* Add remote endpoints */
	53	#define AUC_ACCEPTALL 8 /* Accept all nets */
	54	#define AUC_MAX 9 /* Maximun numbers of access nets */
	55
	56	/* Default AURP-over-UDP port */
	57	#define AURP_SOCKNUM 387
	58	#define AURP_MAXNETACCESS 64
	59
91447636	60	#ifdef KERNEL_PRIVATE
1c79356b A	61
	62	#define AURPCODE_REG 0
	63	#define AURPCODE_RTMPPKT 1
	64	#define AURPCODE_DATAPKT 2
	65	#define AURPCODE_AURPPROTO 3
	66	#define AURPCODE_DEBUGINFO 10
	67	#ifdef NOT_USED
	68	#define AURPCODE_RTINFO 11 /* was used to set up pointers to the
	69	routing table, the zone table, and
	70	several functions */
	71	#endif
	72	#define AURPCODE_RTUPDATE 12
	73
	74	#define AURPSTATE_Unconnected 0
	75	#define AURPSTATE_Connected 1
	76	#define AURPSTATE_WaitingForOpenRsp 2
	77	#define AURPSTATE_WaitingForRIRsp 3
	78	#define AURPSTATE_WaitingForTickleAck 4
	79	#define AURPSTATE_WaitingForRIAck1 5
	80	#define AURPSTATE_WaitingForRIAck2 6
	81	#define AURPSTATE_WaitingForRIAck3 7
	82
	83	#define AURPCMD_RIReq 1
	84	#define AURPCMD_RIRsp 2
	85	#define AURPCMD_RIAck 3
	86	#define AURPCMD_RIUpd 4
	87	#define AURPCMD_RDReq 5
	88	#define AURPCMD_ZReq 6
	89	#define AURPCMD_ZRsp 7
	90	#define AURPCMD_OpenReq 8
	91	#define AURPCMD_OpenRsp 9
	92	#define AURPCMD_Tickle 14
	93	#define AURPCMD_TickleAck 15
	94
	95	#define AURPSUBCODE_ZoneInfo1 1
	96	#define AURPSUBCODE_ZoneInfo2 2
	97	#define AURPSUBCODE_GetZoneNets 3
	98	#define AURPSUBCODE_GetDomainZoneList 4
	99
	100	#define AURPEV_Null 0
	101	#define AURPEV_NetAdded 1
	102	#define AURPEV_NetDeleted 2
	103	#define AURPEV_NetRouteChange 3
	104	#define AURPEV_NetDistChange 4
	105	#define AURPEV_NetZoneChange 5
	106
	107	#define AURP_Version 1
	108	#define AURP_ProbeRetryInterval 300
	109	#define AURP_MaxTickleRetry 4
	110	#define AURP_TickleRetryInterval 30
	111	#define AURP_MaxRetry 10
	112	#define AURP_RetryInterval 3
	113	#define AURP_UpdateRate 1
	114	#define AURP_UDType 0
	115	#define AURP_UDNode 1
	116	#define AURP_UDSize 2
	117	#define AURP_FirstSeqNum 1
	118	#define AURP_LastSeqNum 65535
	119	#define AURP_MaxPktSize 1400
	120	#define AURP_MaxNetAccess 64
	121	#define AURP_NetHiden 0x01
	122
	123	#define AURPERR_NormalConnectionClose -1
	124	#define AURPERR_RoutingLoopDetected -2
125	#define AURPERR_ConnectionOutOfSync -3
126	#define AURPERR_OptionNegotiationError -4
127	#define AURPERR_InvalidVersionNumber -5
128	#define AURPERR_InsufficientResources -6
129	#define AURPERR_AuthenticationError -7
130
131	#define AURPFLG_NA 0x4000
132	#define AURPFLG_ND 0x2000
133	#define AURPFLG_NDC 0x1000
134	#define AURPFLG_ZC 0x0800
135	#define AURPFLG_RMA 0x4000
136	#define AURPFLG_HCRA 0x2000
137	#define AURPFLG_SZI 0x4000
138	#define AURPFLG_LAST 0x8000
139
140	/*
141	* AURP state block
142	*/
143	typedef struct {
144	unsigned char get_zi; /* get zone info flag */
145	unsigned char rem_node; /* node id of a tunnel peer */
146	unsigned char tickle_retry; /* tickle retry count */
147	unsigned char rcv_retry; /* data receiver retry count */
148	unsigned char snd_state; /* data sender state */
149	unsigned char rcv_state; /* data receiver state */
150	unsigned char filler[2];
151	unsigned short rcv_update_rate;
152	unsigned short snd_next_entry; /* next entry in RT */
153	unsigned short rcv_env;
154	unsigned short snd_sui;
155	unsigned short rcv_connection_id; /* data receiver connection id */
156	unsigned short snd_connection_id; /* data sender connection id */
157	unsigned short rcv_sequence_number; /* data receiver sequence number */
158	unsigned short snd_sequence_number; /* data sender sequence number */
159	int rcv_tmo;
160	int snd_tmo;
161	gbuf_t *rsp_m;
162	gbuf_t *upd_m;
163	} aurp_state_t;
164
165	/*
166	* AURP protocol header
167	*/
168	typedef struct {
169	unsigned short connection_id;
170	unsigned short sequence_number;
171	unsigned short command_code;
172	unsigned short flags;
173	} aurp_hdr_t;
174
8f6c56a5 A	175	#ifdef AURP_SUPPORT
	176
	177	extern atlock_t aurpgen_lock;
1c79356b A	178	extern gref_t *aurp_gref;
	179	extern unsigned char dst_addr_cnt;
	180	extern unsigned char net_access_cnt;
	181	extern unsigned char net_export;
	182	extern unsigned short rcv_connection_id;
	183	extern int net_port;
	184	extern int update_tmo;
	185	extern aurp_state_t aurp_state[];
	186	extern unsigned short net_access[];
8f6c56a5	187	#endif
1c79356b A	188
	189	struct myq
	190	{ struct mbuf *q_head;
	191	struct mbuf *q_tail;
	192	int q_cnt;
	193	};
	194
8f6c56a5	195	#define LOCK_DECL(x) atlock_t x
1c79356b	196
91447636 A	197	#include <sys/uio_internal.h>
91447636 A	198
1c79356b A	199	/*
	200	* Quandry: if we use a single socket, we have to rebind on each call.
	201	* If we use separate sockets per tunnel endpoint, we have to examine
	202	* each one on wakeup. What to do; what to do?
	203	*/
	204	struct aurp_global_t
	205	{ int src_addr; /* What's our IP address? */
	206	int udp_port; /* Local UDP port */
	207	unsigned short net_access[AURP_MAXNETACCESS];
	208	long dst_addr[256]; /* Tunnel 'other ends', passed in from user */
	209	int pid; /* Who are we? */
	210	struct socket tunnel; / IP socket for all IP endpoints */
	211	int event; /* Sleep queue anchor */
	212	int event_anchor; /* Sleep queue anchor */
	213	atlock_t glock; /* aurp_global lock */
	214	struct uio auio; /* Dummy uio struct for soreceive() */
	215	/* Statistics */
	216	unsigned int toosmall; /* size less than domain header, from UDP */
	217	unsigned int no_mbufs; /* gbuf_to_mbuf failed */
	218	unsigned int no_gbufs; /* mbuf_to_gbuf failed */
	219	unsigned int shutdown; /* shutdown flag */
	220	unsigned int running; /* running flag */
	221	};
	222
	223	#define AE_ATALK 0x01 /* A/talk input event */
	224	#define AE_UDPIP 0x02 /* UDP/IP input event */
	225	#define AE_SHUTDOWN 0x04 /* Shutdown AURP process */
	226
91447636 A	227	void aurp_wakeup(struct socket *, caddr_t, int);
	228	struct mbuf at_gbuf_to_mbuf(gbuf_t );
	229	gbuf_t at_mbuf_to_gbuf(struct mbuf , int);
	230	int at_insert(gbuf_t *m, unsigned int type, unsigned int node);
	231	int ddp_AURPfuncx(int code, void *param, unsigned char node);
	232	int AURPinit(void);
	233	int aurpd_start(void);
	234	void atalk_to_ip(gbuf_t *m);
	235	void AURPaccess(void);
	236	void AURPshutdown(void);
	237	void AURPiocack(gref_t gref, gbuf_t m);
	238	void AURPiocnak(gref_t gref, gbuf_t m, int error);
	239	void AURPsndZReq(aurp_state_t *state);
	240	void AURPsndZRsp(aurp_state_t state, gbuf_t dat_m, int flag);
	241	void AURPsndRIUpd(aurp_state_t *state);
	242	void AURPsndRIReq(aurp_state_t *state);
	243	void AURPsndRIAck(aurp_state_t state, gbuf_t m, unsigned short flags);
	244	void AURPsndOpenReq(aurp_state_t *state);
	245	void AURPsndRDReq(aurp_state_t *state);
	246	void AURPrcvZReq(aurp_state_t state, gbuf_t m);
	247	void AURPrcvZRsp(aurp_state_t state, gbuf_t m);
	248	void AURPrcvRIUpd(aurp_state_t state, gbuf_t m);
	249	void AURPrcvRIReq(aurp_state_t state, gbuf_t m);
	250	void AURPrcvRIAck(aurp_state_t state, gbuf_t m);
	251	void AURPrcvRIRsp(aurp_state_t state, gbuf_t m);
	252	void AURPrcvOpenReq(aurp_state_t state, gbuf_t m);
	253	void AURPrcvOpenRsp(aurp_state_t state, gbuf_t m);
	254	void AURPrcvTickle(aurp_state_t state, gbuf_t m);
	255	void AURPrcvTickleAck(aurp_state_t state, gbuf_t m);
	256	void AURPrcvRDReq(aurp_state_t state, gbuf_t m);
	257	void AURPfreemsg(gbuf_t *m);
	258	void AURPrtupdate(RT_entry *entry, unsigned char ev);
	259	void AURPsend(gbuf_t *mdata, int type, int node);
	260	void AURPcleanup(aurp_state_t *state);
	261	void AURPpurgeri(unsigned char node);
	262	int AURPgetri(short next_entry, unsigned char buf, short len);
	263	int AURPsetri(unsigned char node, gbuf_t *m);
	264	int AURPupdateri(unsigned char node, gbuf_t *m);
1c79356b	265
1c79356b A	266	/* AURP header for IP tunneling */
	267	typedef struct aurp_domain
	268	{ char dst_length;
	269	char dst_authority;
	270	short dst_distinguisher;
	271	long dst_address;
	272	char src_length;
	273	char src_authority;
	274	short src_distinguisher;
	275	long src_address;
	276	short version;
	277	short reserved;
	278	short type;
	279	} aurp_domain_t;
	280
	281	/* AURP/domain header constants */
	282	#define AUD_Version 0x1
	283	#define AUD_Atalk 0x2
	284	#define AUD_AURP 0x3
	285
	286	/* IP domain identifier constants */
	287	#define IP_LENGTH 7
	288	#define IP_AUTHORITY 1
	289	#define IP_DISTINGUISHER 0
	290	/* Need this because the )(&^%$#@ compiler rounds up the size /
	291	#define IP_DOMAINSIZE 22
	292
	293	/***### LD 9/26/97/
	294	extern struct aurp_global_t aurp_global;
91447636 A	295	#endif /* KERNEL_PRIVATE */
91447636 A	296	#endif /* __APPLE_API_OBSOLETE */
1c79356b	297	#endif /* _NETAT_AURP_H_ */