usr.sbin/atm/scspd/scsp_if.h

   1 /*
   2  *
   3  * ===================================
   4  * HARP  |  Host ATM Research Platform
   5  * ===================================
   6  *
   7  *
   8  * This Host ATM Research Platform ("HARP") file (the "Software") is
   9  * made available by Network Computing Services, Inc. ("NetworkCS")
  10  * "AS IS".  NetworkCS does not provide maintenance, improvements or
  11  * support of any kind.
  12  *
  13  * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
  14  * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
  15  * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
  16  * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
  17  * In no event shall NetworkCS be responsible for any damages, including
  18  * but not limited to consequential damages, arising from or relating to
  19  * any use of the Software or related support.
  20  *
  21  * Copyright 1994-1998 Network Computing Services, Inc.
  22  *
  23  * Copies of this Software may be made, however, the above copyright
  24  * notice must be reproduced on all copies.
  25  *
  26  *      @(#) $FreeBSD: src/usr.sbin/atm/scspd/scsp_if.h,v 1.2 1999/08/28 01:15:33 peter Exp $
  27  *      @(#) $DragonFly: src/usr.sbin/atm/scspd/scsp_if.h,v 1.2 2003/06/17 04:29:52 dillon Exp $
  28  *
  29  */
  30
  31 /*
  32  * Server Cache Synchronization Protocol (SCSP) Support
  33  * ----------------------------------------------------
  34  *
  35  * Interface to server clients of SCSP
  36  *
  37  */
  38
  39 #ifndef _SCSP_SCSP_IF_H
  40 #define _SCSP_SCSP_IF_H
  41
  42
  43 /*
  44  * SCSP configuration message
  45  */
  46 struct scsp_cfg_msg {
  47         char    atmarp_netif[IFNAMSIZ];
  48 };
  49 typedef struct scsp_cfg_msg     Scsp_cfg_msg;
  50
  51
  52 /*
  53  * SCSP cache summary
  54  */
  55 struct scsp_sum_msg {
  56         u_short         ss_hops;        /* Hop count */
  57         u_char          ss_null;        /* Null flag */
  58         long            ss_seq;         /* CSA seq. no. */
  59         Scsp_ckey       ss_key;         /* Cache key */
  60         Scsp_id         ss_oid;         /* Originator ID */
  61 };
  62 typedef struct scsp_sum_msg     Scsp_sum_msg;
  63
  64
  65 /*
  66  * SCSP constants for ATMARP
  67  */
  68 #define SCSP_ATMARP_PROTO       1
  69 #define SCSP_ATMARP_SIDL        4
  70 #define SCSP_ATMARP_RIDL        4
  71 #define SCSP_ATMARP_CKL         4
  72 #define SCSP_ATMARP_OIDL        4
  73
  74
  75 /*
  76  * SCSP ATMARP message
  77  */
  78 struct scsp_atmarp_msg {
  79         u_char          sa_state;       /* Cache entry state (below) */
  80         struct in_addr  sa_cpa;         /* Cached protocol address */
  81         Atm_addr        sa_cha;         /* Cached ATM address */
  82         Atm_addr        sa_csa;         /* Cached ATM subaddress */
  83         Scsp_ckey       sa_key;         /* Cache key for entry */
  84         Scsp_id         sa_oid;         /* Originator ID */
  85         long            sa_seq;         /* Sequence no. */
  86 };
  87 typedef struct scsp_atmarp_msg  Scsp_atmarp_msg;
  88
  89 #define SCSP_ASTATE_NEW 0       /* ATMARP new server registration */
  90 #define SCSP_ASTATE_UPD 1       /* ATMARP server refreshed */
  91 #define SCSP_ASTATE_DEL 2       /* ATMARP server data deleted */
  92
  93
  94 /*
  95  * SCSP constants for NHRP
  96  */
  97 #define SCSP_NHRP_PROTO         2
  98 #define SCSP_NHRP_SIDL          4
  99 #define SCSP_NHRP_RIDL          4
 100 #define SCSP_NHRP_CKL           4
 101 #define SCSP_NHRP_OIDL          4
 102
 103
 104 /*
 105  * SCSP NHRP message
 106  */
 107 struct scsp_nhrp_msg {
 108         u_short sn_af;          /* Address family */
 109         u_short sn_proto;       /* NHRP protocol type */
 110         u_char  sn_snap[5];     /* SNAP */
 111         u_char  sn_ver;         /* NHRP version number */
 112         u_short sn_flags;       /* Flags */
 113         u_long  sn_rid;         /* Request ID */
 114         u_char  sn_state;       /* State */
 115         u_char  sn_prel;        /* Prefix length */
 116         u_short sn_mtu;         /* Maximum transmission unit */
 117         u_short sn_hold;        /* Holding time */
 118         Atm_addr        sn_addr;        /* Server network address */
 119         Atm_addr        sn_saddr;       /* Server network subaddress */
 120         struct in_addr  sn_paddr;       /* Server protocol address */
 121         Scsp_ckey sn_key;       /* Cache key for entry */
 122         Scsp_id sn_oid;         /* Originator ID */
 123 };
 124 typedef struct scsp_nhrp_msg    Scsp_nhrp_msg;
 125
 126 #define SCSP_NSTATE_NEW 0       /* New NHRP server */
 127 #define SCSP_NSTATE_UPD 1       /* NHRP server re-registered */
 128 #define SCSP_NSTATE_DEL 2       /* NHRP server data purged */
 129 #define SCSP_NSTATE_NSD 3       /* NHRP no such data in server */
 130
 131
 132 /*
 133  * SCSP/server message header
 134  */
 135 struct scsp_if_msg_hdr {
 136         u_char  sh_type;        /* Message type */
 137         u_char  sh_rc;          /* Response code */
 138         u_short sh_proto;       /* SCSP protocol ID */
 139         int     sh_len;         /* Length of message */
 140         u_long  sh_tok;         /* Token from SCSP daemon */
 141 };
 142 typedef struct scsp_if_msg_hdr  Scsp_if_msg_hdr;
 143
 144
 145 /*
 146  * SCSP-server message
 147  */
 148 struct scsp_if_msg {
 149         Scsp_if_msg_hdr si_hdr; /* Header fields */
 150         union {
 151                 Scsp_cfg_msg    siu_cfg;        /* Config data */
 152                 Scsp_sum_msg    siu_sum;        /* Cache summary */
 153                 Scsp_atmarp_msg siu_atmarp;     /* ATMARP update */
 154                 Scsp_nhrp_msg   siu_nhrp;       /* NHRP update */
 155         } si_u;
 156 };
 157 typedef struct scsp_if_msg      Scsp_if_msg;
 158
 159 #define si_type         si_hdr.sh_type
 160 #define si_rc           si_hdr.sh_rc
 161 #define si_proto        si_hdr.sh_proto
 162 #define si_len          si_hdr.sh_len
 163 #define si_tok          si_hdr.sh_tok
 164
 165 #define si_cfg          si_u.siu_cfg
 166 #define si_sum          si_u.siu_sum
 167 #define si_atmarp       si_u.siu_atmarp
 168 #define si_nhrp         si_u.siu_nhrp
 169
 170
 171 /*
 172  * Message types
 173  */
 174 #define SCSP_NOP_REQ            1
 175 #define SCSP_CFG_REQ            2
 176 #define SCSP_CFG_RSP            3
 177 #define SCSP_CACHE_IND          4
 178 #define SCSP_CACHE_RSP          5
 179 #define SCSP_SOLICIT_IND        6
 180 #define SCSP_SOLICIT_RSP        7
 181 #define SCSP_UPDATE_IND         8
 182 #define SCSP_UPDATE_REQ         9
 183 #define SCSP_UPDATE_RSP         10
 184
 185
 186 /*
 187  * Response codes
 188  */
 189 #define SCSP_RSP_OK             0
 190 #define SCSP_RSP_ERR            1
 191 #define SCSP_RSP_REJ            2
 192 #define SCSP_RSP_NOT_FOUND      3
 193
 194
 195 #endif  /* _SCSP_SCSP_IF_H */