freebsd-dev/sys/netatm/uni/uniip_var.h
Poul-Henning Kamp 1820df7a2d Add new files for HARP3
Host ATM Research Platform (HARP), Network Computing Services, Inc.
This software was developed with the support of the Defense Advanced
Research Projects Agency (DARPA).
1998-09-15 08:23:17 +00:00

319 lines
9.8 KiB
C

/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $Id: uniip_var.h,v 1.9 1998/07/13 00:00:39 mks Exp $
*
*/
/*
* ATM Forum UNI Support
* ---------------------
*
* IP interface control blocks
*
*/
#ifndef _UNI_UNIIP_VAR_H
#define _UNI_UNIIP_VAR_H
#ifdef ATM_KERNEL
/*
* UNI IP network interface structure. There will be one such structure for
* each IP network interface attached via a UNI signalling instance.
*/
struct uniip {
struct uniip *uip_next; /* Next attached IP interface */
struct ip_nif *uip_ipnif; /* IP network interface */
u_char uip_flags; /* Interface flags (see below) */
/* ATMARP (RFC1577) */
u_char uip_arpstate; /* ARP interface state (see below) */
struct arpmap uip_arpsvrmap; /* ATMARP server map info */
struct ipvcc *uip_arpsvrvcc; /* ATMARP server's VCC */
int uip_nprefix; /* Count of IP prefixes (server only) */
struct uniarp_prf *uip_prefix; /* Array of IP prefixes (server only) */
struct atm_time uip_arptime; /* ARP timer controls */
};
#define uip_arpsvrip uip_arpsvrmap.am_dstip
#define uip_arpsvratm uip_arpsvrmap.am_dstatm
#define uip_arpsvrsub uip_arpsvrmap.am_dstatmsub
#endif /* ATM_KERNEL */
/*
* UNI Interface Flags
*/
#define UIF_IFADDR 0x01 /* Interface address is set */
/*
* UNI ARP Interface States
*/
#define UIAS_NOTCONF 1 /* Not configured */
#define UIAS_SERVER_ACTIVE 2 /* Server - active */
#define UIAS_CLIENT_PADDR 3 /* Client - pending ATM address */
#define UIAS_CLIENT_POPEN 4 /* Client - pending server vcc open */
#define UIAS_CLIENT_REGISTER 5 /* Client - registering with server */
#define UIAS_CLIENT_ACTIVE 6 /* Client - active */
#ifdef ATM_KERNEL
/*
* Structure for allowable IP prefixes for ATMARP server registration
*/
struct uniarp_prf {
struct in_addr upf_addr; /* Prefix address */
struct in_addr upf_mask; /* Prefix mask */
};
/*
* UNI ARP protocol constants
*/
#define UNIARP_AGING (60 * ATM_HZ) /* Aging timer tick */
#define UNIARP_HASHSIZ 19 /* Hash table size */
#define UNIARP_REGIS_REFRESH (15 * 60 * ATM_HZ)
/* Client registration refresh timer */
#define UNIARP_REGIS_RETRY (60 * ATM_HZ)
/* Client registration retry timer */
#define UNIARP_ARP_RETRY (3 * ATM_HZ) /* ARP command retry timer */
#define UNIARP_CLIENT_AGE 12 /* Client validation timeout */
#define UNIARP_CLIENT_RETRY 3 /* Client validation retrys */
#define UNIARP_SERVER_AGE 17 /* Server validation timeout */
#define UNIARP_SERVER_RETRY 3 /* Server validation retrys */
#define UNIARP_RETRY_AGE 1 /* Retry timeout */
#define UNIARP_REVALID_AGE 2 /* Revalidation timeout */
#define UNIARP_MIN_REFRESH 10 /* Minimum entry refresh time */
/*
* Structure for ATMARP mappings. Each of these structures will contain
* IP address to ATM hardware address mappings. There will be one such
* structure for each IP address and for each unresolved ATM address
* currently in use.
*/
struct uniarp {
struct arpmap ua_arpmap; /* Common entry header */
struct uniip *ua_intf; /* Interface where we learned answer */
struct uniarp *ua_next; /* Hash chain link */
u_char ua_flags; /* Flags (see below) */
u_char ua_origin; /* Source of mapping (see below) */
u_char ua_retry; /* Retry counter */
u_char ua_aging; /* Aging timeout value (minutes) */
struct ipvcc *ua_ivp; /* Head of IP VCC chain */
struct atm_time ua_time; /* Timer controls */
};
#define ua_dstip ua_arpmap.am_dstip
#define ua_dstatm ua_arpmap.am_dstatm
#define ua_dstatmsub ua_arpmap.am_dstatmsub
#endif /* ATM_KERNEL */
/*
* UNIARP Entry Flags
*/
#define UAF_VALID ARPF_VALID /* Entry is valid */
#define UAF_REFRESH ARPF_REFRESH /* Entry has been refreshed */
#define UAF_LOCKED 0x04 /* Entry is locked */
#define UAF_USED 0x08 /* Entry has been used recently */
/*
* UNIARP Entry Origin
*
* The origin values are ranked according to the source precedence.
* Larger values are more preferred.
*/
#define UAO_LOCAL 100 /* Local address */
#define UAO_PERM ARP_ORIG_PERM /* Permanently installed */
#define UAO_REGISTER 40 /* Learned via client registration */
#define UAO_SCSP 30 /* Learned via SCSP */
#define UAO_LOOKUP 20 /* Learned via server lookup */
#define UAO_PEER_RSP 15 /* Learned from peer - inarp rsp */
#define UAO_PEER_REQ 10 /* Learned from peer - inarp req */
/*
* ATMARP/InATMARP Packet Format
*/
struct atmarp_hdr {
u_short ah_hrd; /* Hardware type (see below) */
u_short ah_pro; /* Protocol type */
u_char ah_shtl; /* Type/len of source ATM address */
u_char ah_sstl; /* Type/len of source ATM subaddress */
u_short ah_op; /* Operation code (see below) */
u_char ah_spln; /* Length of source protocol address */
u_char ah_thtl; /* Type/len of target ATM address */
u_char ah_tstl; /* Type/len of target ATM subaddress */
u_char ah_tpln; /* Length of target protocol address */
#ifdef notdef
/* Variable size fields */
u_char ah_sha[]; /* Source ATM address */
u_char ah_ssa[]; /* Source ATM subaddress */
u_char ah_spa[]; /* Source protocol address */
u_char ah_tha[]; /* Target ATM subaddress */
u_char ah_tsa[]; /* Target ATM address */
u_char ah_tpa[]; /* Target protocol subaddress */
#endif
};
/*
* Hardware types
*/
#define ARP_ATMFORUM 19
/*
* Operation types
*/
#define ARP_REQUEST 1 /* ATMARP request */
#define ARP_REPLY 2 /* ATMARP response */
#define INARP_REQUEST 8 /* InATMARP request */
#define INARP_REPLY 9 /* InATMARP response */
#define ARP_NAK 10 /* ATMARP negative ack */
/*
* Type/length fields
*/
#define ARP_TL_TMASK 0x40 /* Type mask */
#define ARP_TL_NSAPA 0x00 /* Type = ATM Forum NSAPA */
#define ARP_TL_E164 0x40 /* Type = E.164 */
#define ARP_TL_LMASK 0x3f /* Length mask */
#ifdef ATM_KERNEL
/*
* Timer macros
*/
#define UNIIP_ARP_TIMER(s, t) atm_timeout(&(s)->uip_arptime, (t), uniarp_iftimeout)
#define UNIIP_ARP_CANCEL(s) atm_untimeout(&(s)->uip_arptime)
#define UNIARP_TIMER(s, t) atm_timeout(&(s)->ua_time, (t), uniarp_timeout)
#define UNIARP_CANCEL(s) atm_untimeout(&(s)->ua_time)
/*
* Macros for manipulating UNIARP tables and entries
*/
#define UNIARP_HASH(ip) ((u_long)(ip) % UNIARP_HASHSIZ)
#define UNIARP_ADD(ua) \
{ \
struct uniarp **h; \
h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \
LINK2TAIL((ua), struct uniarp, *h, ua_next); \
}
#define UNIARP_DELETE(ua) \
{ \
struct uniarp **h; \
h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \
UNLINK((ua), struct uniarp, *h, ua_next); \
}
#define UNIARP_LOOKUP(ip, ua) \
{ \
for ((ua) = uniarp_arptab[UNIARP_HASH(ip)]; \
(ua); (ua) = (ua)->ua_next) { \
if ((ua)->ua_dstip.s_addr == (ip)) \
break; \
} \
}
/*
* Global UNIARP Statistics
*/
struct uniarp_stat {
u_long uas_rcvdrop; /* Input packets dropped */
};
/*
* External variables
*/
extern struct uniip *uniip_head;
extern struct ip_serv uniip_ipserv;
extern struct uniarp *uniarp_arptab[];
extern struct uniarp *uniarp_nomaptab;
extern struct uniarp *uniarp_pvctab;
extern struct sp_info uniarp_pool;
extern struct atm_time uniarp_timer;
extern int uniarp_print;
extern Atm_endpoint uniarp_endpt;
extern struct uniarp_stat uniarp_stat;
/*
* Global function declarations
*/
/* uniarp.c */
int uniarp_start __P((void));
void uniarp_stop __P((void));
void uniarp_ipact __P((struct uniip *));
void uniarp_ipdact __P((struct uniip *));
void uniarp_ifaddr __P((struct siginst *));
void uniarp_iftimeout __P((struct atm_time *));
int uniarp_ioctl __P((int, caddr_t, caddr_t));
caddr_t uniarp_getname __P((void *));
/* uniarp_cache.c */
int uniarp_cache_svc __P((struct uniip *, struct in_addr *,
Atm_addr *, Atm_addr *, u_int));
void uniarp_cache_pvc __P((struct ipvcc *, struct in_addr *,
Atm_addr *, Atm_addr *));
int uniarp_validate_ip __P((struct uniip *, struct in_addr *,
u_int));
/* uniarp_input.c */
void uniarp_cpcs_data __P((void *, KBuffer *));
void uniarp_pdu_print __P((struct ipvcc *, KBuffer *, char *));
/* uniarp_output.c */
int uniarp_arp_req __P((struct uniip *, struct in_addr *));
int uniarp_arp_rsp __P((struct uniip *, struct arpmap *,
struct in_addr *, Atm_addr *,
Atm_addr *, struct ipvcc *));
int uniarp_arp_nak __P((struct uniip *, KBuffer *, struct ipvcc *));
int uniarp_inarp_req __P((struct uniip *, Atm_addr *,
Atm_addr *, struct ipvcc *));
int uniarp_inarp_rsp __P((struct uniip *, struct in_addr *,
Atm_addr *, Atm_addr *, struct ipvcc *));
/* uniarp_timer.c */
void uniarp_timeout __P((struct atm_time *));
void uniarp_aging __P((struct atm_time *));
/* uniarp_vcm.c */
int uniarp_pvcopen __P((struct ipvcc *));
int uniarp_svcout __P((struct ipvcc *, struct in_addr *));
int uniarp_svcin __P((struct ipvcc *, Atm_addr *, Atm_addr *));
int uniarp_svcactive __P((struct ipvcc *));
void uniarp_vcclose __P((struct ipvcc *));
void uniarp_connected __P((void *));
void uniarp_cleared __P((void *, struct t_atm_cause *));
/* uniip.c */
int uniip_start __P((void));
int uniip_stop __P((void));
#endif /* ATM_KERNEL */
#endif /* _UNI_UNIIP_VAR_H */