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195 lines
4.8 KiB
C
195 lines
4.8 KiB
C
/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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* @(#) $FreeBSD$
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*
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*/
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/*
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* Server Cache Synchronization Protocol (SCSP) Support
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* ----------------------------------------------------
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*
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* Interface to server clients of SCSP
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*
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*/
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#ifndef _SCSP_SCSP_IF_H
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#define _SCSP_SCSP_IF_H
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/*
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* SCSP configuration message
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*/
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struct scsp_cfg_msg {
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char atmarp_netif[IFNAMSIZ];
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};
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typedef struct scsp_cfg_msg Scsp_cfg_msg;
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/*
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* SCSP cache summary
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*/
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struct scsp_sum_msg {
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u_short ss_hops; /* Hop count */
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u_char ss_null; /* Null flag */
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long ss_seq; /* CSA seq. no. */
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Scsp_ckey ss_key; /* Cache key */
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Scsp_id ss_oid; /* Originator ID */
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};
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typedef struct scsp_sum_msg Scsp_sum_msg;
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/*
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* SCSP constants for ATMARP
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*/
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#define SCSP_ATMARP_PROTO 1
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#define SCSP_ATMARP_SIDL 4
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#define SCSP_ATMARP_RIDL 4
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#define SCSP_ATMARP_CKL 4
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#define SCSP_ATMARP_OIDL 4
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/*
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* SCSP ATMARP message
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*/
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struct scsp_atmarp_msg {
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u_char sa_state; /* Cache entry state (below) */
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struct in_addr sa_cpa; /* Cached protocol address */
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Atm_addr sa_cha; /* Cached ATM address */
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Atm_addr sa_csa; /* Cached ATM subaddress */
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Scsp_ckey sa_key; /* Cache key for entry */
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Scsp_id sa_oid; /* Originator ID */
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long sa_seq; /* Sequence no. */
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};
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typedef struct scsp_atmarp_msg Scsp_atmarp_msg;
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#define SCSP_ASTATE_NEW 0 /* ATMARP new server registration */
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#define SCSP_ASTATE_UPD 1 /* ATMARP server refreshed */
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#define SCSP_ASTATE_DEL 2 /* ATMARP server data deleted */
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/*
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* SCSP constants for NHRP
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*/
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#define SCSP_NHRP_PROTO 2
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#define SCSP_NHRP_SIDL 4
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#define SCSP_NHRP_RIDL 4
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#define SCSP_NHRP_CKL 4
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#define SCSP_NHRP_OIDL 4
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/*
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* SCSP NHRP message
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*/
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struct scsp_nhrp_msg {
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u_short sn_af; /* Address family */
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u_short sn_proto; /* NHRP protocol type */
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u_char sn_snap[5]; /* SNAP */
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u_char sn_ver; /* NHRP version number */
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u_short sn_flags; /* Flags */
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u_long sn_rid; /* Request ID */
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u_char sn_state; /* State */
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u_char sn_prel; /* Prefix length */
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u_short sn_mtu; /* Maximum transmission unit */
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u_short sn_hold; /* Holding time */
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Atm_addr sn_addr; /* Server network address */
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Atm_addr sn_saddr; /* Server network subaddress */
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struct in_addr sn_paddr; /* Server protocol address */
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Scsp_ckey sn_key; /* Cache key for entry */
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Scsp_id sn_oid; /* Originator ID */
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};
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typedef struct scsp_nhrp_msg Scsp_nhrp_msg;
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#define SCSP_NSTATE_NEW 0 /* New NHRP server */
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#define SCSP_NSTATE_UPD 1 /* NHRP server re-registered */
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#define SCSP_NSTATE_DEL 2 /* NHRP server data purged */
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#define SCSP_NSTATE_NSD 3 /* NHRP no such data in server */
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/*
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* SCSP/server message header
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*/
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struct scsp_if_msg_hdr {
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u_char sh_type; /* Message type */
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u_char sh_rc; /* Response code */
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u_short sh_proto; /* SCSP protocol ID */
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int sh_len; /* Length of message */
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u_long sh_tok; /* Token from SCSP daemon */
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};
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typedef struct scsp_if_msg_hdr Scsp_if_msg_hdr;
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/*
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* SCSP-server message
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*/
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struct scsp_if_msg {
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Scsp_if_msg_hdr si_hdr; /* Header fields */
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union {
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Scsp_cfg_msg siu_cfg; /* Config data */
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Scsp_sum_msg siu_sum; /* Cache summary */
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Scsp_atmarp_msg siu_atmarp; /* ATMARP update */
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Scsp_nhrp_msg siu_nhrp; /* NHRP update */
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} si_u;
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};
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typedef struct scsp_if_msg Scsp_if_msg;
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#define si_type si_hdr.sh_type
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#define si_rc si_hdr.sh_rc
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#define si_proto si_hdr.sh_proto
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#define si_len si_hdr.sh_len
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#define si_tok si_hdr.sh_tok
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#define si_cfg si_u.siu_cfg
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#define si_sum si_u.siu_sum
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#define si_atmarp si_u.siu_atmarp
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#define si_nhrp si_u.siu_nhrp
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/*
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* Message types
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*/
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#define SCSP_NOP_REQ 1
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#define SCSP_CFG_REQ 2
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#define SCSP_CFG_RSP 3
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#define SCSP_CACHE_IND 4
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#define SCSP_CACHE_RSP 5
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#define SCSP_SOLICIT_IND 6
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#define SCSP_SOLICIT_RSP 7
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#define SCSP_UPDATE_IND 8
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#define SCSP_UPDATE_REQ 9
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#define SCSP_UPDATE_RSP 10
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/*
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* Response codes
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*/
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#define SCSP_RSP_OK 0
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#define SCSP_RSP_ERR 1
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#define SCSP_RSP_REJ 2
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#define SCSP_RSP_NOT_FOUND 3
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#endif /* _SCSP_SCSP_IF_H */
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