FreeBSD-5.3/usr.sbin/atm/atmarpd/atmarp_var.h
/*
*
* ===================================
* 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.
*
* @(#) $FreeBSD: src/usr.sbin/atm/atmarpd/atmarp_var.h,v 1.4 2002/10/10 00:32:55 alfred Exp $
*
*/
/*
* Server Cache Synchronization Protocol (SCSP) Support
* ----------------------------------------------------
*
* SCSP-ATMARP server interface: control blocks
*
*/
#ifndef _ATMARP_ATMARP_VAR_H
#define _ATMARP_ATMARP_VAR_H
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
/*
* Operational constants
*/
#define ATMARP_DIR "/tmp"
#define ATMARP_SOCK_PREFIX "AA_"
#define ATMARP_CACHE_INTERVAL 50
#define ATMARP_PERM_INTERVAL 600
#define ATMARP_KEEPALIVE_INTERVAL 5
/*
* Macros for manipulating ATMARP tables and entries
*/
#define ATMARP_HASHSIZ 19 /* Hash table size */
#define ATMARP_HASH(ip) ((u_long)(ip) % ATMARP_HASHSIZ)
#define ATMARP_ADD(ai, aa) \
{ \
Atmarp **h; \
h = &ai->ai_arptbl[ATMARP_HASH((aa)->aa_dstip.s_addr)]; \
LINK2TAIL((aa), Atmarp, *h, aa_next); \
}
#define ATMARP_DELETE(ai, aa) \
{ \
Atmarp **h; \
h = &ai->ai_arptbl[ATMARP_HASH((aa)->aa_dstip.s_addr)]; \
UNLINK((aa), Atmarp, *h, aa_next); \
}
#define ATMARP_LOOKUP(ai, ip, aa) \
{ \
for ((aa) = (ai)->ai_arptbl[ATMARP_HASH(ip)]; \
(aa); (aa) = (aa)->aa_next) { \
if ((aa)->aa_dstip.s_addr == (ip)) \
break; \
} \
}
/*
* Macro to compare originator ID structures
*/
#define OID_EQUAL(id1, id2) \
(((id1)->id_len == (id2)->id_len) && \
(bcmp((caddr_t)(id1)->id, \
(caddr_t)(id2)->id, \
(id1)->id_len) == 0))
#define KEY_EQUAL(key1, key2) \
(((key1)->key_len == (key2)->key_len) && \
(bcmp((caddr_t)(key1)->key, \
(caddr_t)(key2)->key, \
(key1)->key_len) == 0))
/*
* Interface entry for ATMARP SCSP interface daemon
*/
struct atmarp_intf {
struct atmarp_intf *ai_next; /* Next chained I/F */
char ai_intf[IFNAMSIZ]; /* Network I/F name */
struct in_addr ai_ip_addr; /* IP address */
struct in_addr ai_subnet_mask; /* Subnet mask */
int ai_mtu; /* IP MTU */
Atm_addr ai_atm_addr; /* ATM address */
Atm_addr ai_atm_subaddr; /* ATM subaddress */
int ai_scsp_sock; /* Socket to SCSP */
Harp_timer ai_keepalive_t; /* Keepalive timer */
char *ai_scsp_sockname; /* Socket name */
u_char ai_state; /* Interface state */
u_char ai_mark;
struct atmarp *ai_arptbl[ATMARP_HASHSIZ]; /* ARP cache */
};
typedef struct atmarp_intf Atmarp_intf;
#define AI_STATE_NULL 0
#define AI_STATE_UP 1
/*
* Super-LIS control block for ATMARP server daemon
*/
struct atmarp_slis {
struct atmarp_slis *as_next; /* Next super-LIS */
char *as_name; /* Name of super-LIS */
int as_cnt; /* LIS count */
Atmarp_intf *as_intfs; /* List of intfs */
};
typedef struct atmarp_slis Atmarp_slis;
/*
* ATMARP cache entry format
*/
struct atmarp {
struct atmarp *aa_next; /* Hash chain link */
struct in_addr aa_dstip; /* Destination IP addr */
Atm_addr aa_dstatm; /* Destination ATM addr */
Atm_addr aa_dstatmsub; /* Destination ATM subaddr */
struct scsp_ckey aa_key; /* SCSP cache key */
struct scsp_id aa_oid; /* SCSP originator ID */
long aa_seq; /* SCSP sequence no. */
Atmarp_intf *aa_intf; /* Interface for entry */
u_char aa_flags; /* Flags (see below) */
u_char aa_origin; /* Entry origin */
char aa_mark; /* Mark */
};
typedef struct atmarp Atmarp;
/*
* ATMARP Entry Flags
*/
#define AAF_PERM 0x01 /* Entry is permanent */
#define AAF_SERVER 0x02 /* Entry is for the server */
/*
* Global variables
*/
extern char *prog;
extern int atmarp_debug_mode;
extern int atmarp_max_socket;
extern Atmarp_intf *atmarp_intf_head;
extern Atmarp_slis *atmarp_slis_head;
extern FILE *atmarp_log_file;
/*
* Function definitions
*/
/* atmarp_config.c */
extern int atmarp_cfg_netif(char *);
/* atmarp_log.c */
#if __STDC__
extern void atmarp_log(const int, const char *, ...);
#else
extern void atmarp_log(int, char *, va_alist);
#endif
extern void atmarp_mem_err(char *);
/* atmarp_scsp.c */
extern int atmarp_scsp_cache(Atmarp_intf *, Scsp_if_msg *);
extern int atmarp_scsp_update(Atmarp *, int);
extern int atmarp_scsp_update_in(Atmarp_intf *, Scsp_if_msg *);
extern int atmarp_scsp_read(Atmarp_intf *);
extern int atmarp_scsp_out(Atmarp_intf *, char *, int);
extern int atmarp_scsp_connect(Atmarp_intf *);
extern void atmarp_scsp_close(Atmarp_intf *);
extern int atmarp_scsp_disconnect(Atmarp_intf *);
/* atmarp_subr.c */
extern Atmarp_intf *atmarp_find_intf_sock(int);
extern Atmarp_intf *atmarp_find_intf_name(char *);
extern void atmarp_clear_marks();
extern int atmarp_is_server(Atmarp_intf *);
extern int atmarp_if_ready(Atmarp_intf *);
extern Atmarp * atmarp_copy_cache_entry(struct air_arp_rsp *);
extern int atmarp_update_kernel(Atmarp *);
extern void atmarp_get_updated_cache();
extern void atmarp_process_cache_entry(struct air_arp_rsp *);
extern void print_atmarp_intf(FILE *, Atmarp_intf *);
extern void print_atmarp_cache(FILE *, Atmarp *);
extern void dump_atmarp_cache(FILE *, Atmarp_intf *);
extern void atmarp_sigint(int);
/* atmarp_timer.c */
extern void atmarp_cache_timeout(Harp_timer *);
extern void atmarp_perm_timeout(Harp_timer *);
extern void atmarp_keepalive_timeout(Harp_timer *);
#endif /* _ATMARP_ATMARP_VAR_H */