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/*
*
* ===================================
* 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: scsp_if.h,v 1.2 1998/07/16 15:59:33 johnc Exp $
*
*/
/*
* Server Cache Synchronization Protocol (SCSP) Support
* ----------------------------------------------------
*
* Interface to server clients of SCSP
*
*/
#ifndef _SCSP_SCSP_IF_H
#define _SCSP_SCSP_IF_H
/*
* SCSP configuration message
*/
struct scsp_cfg_msg {
char atmarp_netif[IFNAMSIZ];
};
typedef struct scsp_cfg_msg Scsp_cfg_msg;
/*
* SCSP cache summary
*/
struct scsp_sum_msg {
u_short ss_hops; /* Hop count */
u_char ss_null; /* Null flag */
long ss_seq; /* CSA seq. no. */
Scsp_ckey ss_key; /* Cache key */
Scsp_id ss_oid; /* Originator ID */
};
typedef struct scsp_sum_msg Scsp_sum_msg;
/*
* SCSP constants for ATMARP
*/
#define SCSP_ATMARP_PROTO 1
#define SCSP_ATMARP_SIDL 4
#define SCSP_ATMARP_RIDL 4
#define SCSP_ATMARP_CKL 4
#define SCSP_ATMARP_OIDL 4
/*
* SCSP ATMARP message
*/
struct scsp_atmarp_msg {
u_char sa_state; /* Cache entry state (below) */
struct in_addr sa_cpa; /* Cached protocol address */
Atm_addr sa_cha; /* Cached ATM address */
Atm_addr sa_csa; /* Cached ATM subaddress */
Scsp_ckey sa_key; /* Cache key for entry */
Scsp_id sa_oid; /* Originator ID */
long sa_seq; /* Sequence no. */
};
typedef struct scsp_atmarp_msg Scsp_atmarp_msg;
#define SCSP_ASTATE_NEW 0 /* ATMARP new server registration */
#define SCSP_ASTATE_UPD 1 /* ATMARP server refreshed */
#define SCSP_ASTATE_DEL 2 /* ATMARP server data deleted */
/*
* SCSP constants for NHRP
*/
#define SCSP_NHRP_PROTO 2
#define SCSP_NHRP_SIDL 4
#define SCSP_NHRP_RIDL 4
#define SCSP_NHRP_CKL 4
#define SCSP_NHRP_OIDL 4
/*
* SCSP NHRP message
*/
struct scsp_nhrp_msg {
u_short sn_af; /* Address family */
u_short sn_proto; /* NHRP protocol type */
u_char sn_snap[5]; /* SNAP */
u_char sn_ver; /* NHRP version number */
u_short sn_flags; /* Flags */
u_long sn_rid; /* Request ID */
u_char sn_state; /* State */
u_char sn_prel; /* Prefix length */
u_short sn_mtu; /* Maximum transmission unit */
u_short sn_hold; /* Holding time */
Atm_addr sn_addr; /* Server network address */
Atm_addr sn_saddr; /* Server network subaddress */
struct in_addr sn_paddr; /* Server protocol address */
Scsp_ckey sn_key; /* Cache key for entry */
Scsp_id sn_oid; /* Originator ID */
};
typedef struct scsp_nhrp_msg Scsp_nhrp_msg;
#define SCSP_NSTATE_NEW 0 /* New NHRP server */
#define SCSP_NSTATE_UPD 1 /* NHRP server re-registered */
#define SCSP_NSTATE_DEL 2 /* NHRP server data purged */
#define SCSP_NSTATE_NSD 3 /* NHRP no such data in server */
/*
* SCSP/server message header
*/
struct scsp_if_msg_hdr {
u_char sh_type; /* Message type */
u_char sh_rc; /* Response code */
u_short sh_proto; /* SCSP protocol ID */
int sh_len; /* Length of message */
u_long sh_tok; /* Token from SCSP daemon */
};
typedef struct scsp_if_msg_hdr Scsp_if_msg_hdr;
/*
* SCSP-server message
*/
struct scsp_if_msg {
Scsp_if_msg_hdr si_hdr; /* Header fields */
union {
Scsp_cfg_msg siu_cfg; /* Config data */
Scsp_sum_msg siu_sum; /* Cache summary */
Scsp_atmarp_msg siu_atmarp; /* ATMARP update */
Scsp_nhrp_msg siu_nhrp; /* NHRP update */
} si_u;
};
typedef struct scsp_if_msg Scsp_if_msg;
#define si_type si_hdr.sh_type
#define si_rc si_hdr.sh_rc
#define si_proto si_hdr.sh_proto
#define si_len si_hdr.sh_len
#define si_tok si_hdr.sh_tok
#define si_cfg si_u.siu_cfg
#define si_sum si_u.siu_sum
#define si_atmarp si_u.siu_atmarp
#define si_nhrp si_u.siu_nhrp
/*
* Message types
*/
#define SCSP_NOP_REQ 1
#define SCSP_CFG_REQ 2
#define SCSP_CFG_RSP 3
#define SCSP_CACHE_IND 4
#define SCSP_CACHE_RSP 5
#define SCSP_SOLICIT_IND 6
#define SCSP_SOLICIT_RSP 7
#define SCSP_UPDATE_IND 8
#define SCSP_UPDATE_REQ 9
#define SCSP_UPDATE_RSP 10
/*
* Response codes
*/
#define SCSP_RSP_OK 0
#define SCSP_RSP_ERR 1
#define SCSP_RSP_REJ 2
#define SCSP_RSP_NOT_FOUND 3
#endif /* _SCSP_SCSP_IF_H */
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