225 lines
6.0 KiB
C
225 lines
6.0 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.
|
|
*
|
|
* @(#) $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* 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 */
|