Source to bsd/netat/aurp.h
/*
* 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) 1996 Apple Computer, Inc.
*
* Created April 23, 1996, by Justin C. Walker
*
* File: aurp.h
*/
#ifndef _NETAT_AURP_H_
#define _NETAT_AURP_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
#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 KERNEL
#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));
#endif /* KERNEL */
/* 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 */
#endif /* _NETAT_AURP_H_ */