usr/src/cmd/cmd-inet/usr.sbin/snoop/at.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  *
  26  */
  27
  28 #ifndef _AT_H
  29 #define _AT_H
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * There is a lot of alignment problems in AppleTalk packets.
  39  * This is the reason some of the headers use uint8_t arrays instead of the
  40  * natural datatype.
  41  */
  42
  43 /* AARP */
  44
  45 #define AARP_REQ                1
  46 #define AARP_RESP               2
  47 #define AARP_PROBE              3
  48
  49
  50 /* DDP */
  51
  52 struct ddp_hdr {
  53         uint8_t         ddp_hop_len;
  54         uint8_t         ddp_len_lo;
  55         uint16_t        ddp_cksum;
  56         uint16_t        ddp_dest_net;
  57         uint16_t        ddp_src_net;
  58         uint8_t         ddp_dest_id;
  59         uint8_t         ddp_src_id;
  60         uint8_t         ddp_dest_sock;
  61         uint8_t         ddp_src_sock;
  62         uint8_t         ddp_type;
  63 };
  64
  65 #define ddp_pad(x)      ((x)->ddp_hop_len & 0xc0)
  66 #define ddp_hop(x)      (((x)->ddp_hop_len >> 2) & 0xf)
  67 #define ddp_len(x)      ((((x)->ddp_hop_len & 0x3) << 8) + (x)->ddp_len_lo)
  68
  69 #define DDPHDR_SIZE 13
  70
  71 #define DDP_TYPE_RTMPRQ         5
  72 #define DDP_TYPE_RTMPRESP       1
  73 #define DDP_TYPE_NBP            2
  74 #define DDP_TYPE_ATP            3
  75 #define DDP_TYPE_AEP            4
  76 #define DDP_TYPE_ZIP            6
  77 #define DDP_TYPE_ADSP           7
  78
  79
  80 /* AECHO */
  81
  82 #define AEP_REQ                 1
  83 #define AEP_REPLY               2
  84
  85 /* NBP */
  86
  87 struct nbp_hdr {
  88         uint8_t         ddphdr[DDPHDR_SIZE];
  89         uint8_t         nbp_fun_cnt;
  90         uint8_t         nbp_id;
  91 };
  92
  93 #define NBP_BRRQ                1
  94 #define NBP_LKUP                2
  95 #define NBP_LKUP_REPLY          3
  96 #define NBP_FWDREQ              4
  97
  98
  99 /* ZIP */
 100
 101 struct zip_hdr {
 102         uint8_t         ddphdr[DDPHDR_SIZE];
 103         uint8_t         zip_func;
 104         uint8_t         zip_netcnt;
 105 };
 106
 107 #define ZIP_QUERY               1
 108 #define ZIP_REPLY               2
 109 #define ZIP_GET_NET_INFO        5
 110 #define ZIP_GET_NET_INFO_REPLY  6
 111 #define ZIP_NOTIFY              7
 112 #define ZIP_EXT_REPLY           8
 113
 114 #define ZIP_ATP_GETMYZONE       7
 115 #define ZIP_ATP_GETZONELIST     8
 116 #define ZIP_ATP_GETLOCALZONES   9
 117
 118 #define ZIP_FLG_ONEZ            0x20
 119 #define ZIP_FLG_USEBRC          0x40
 120 #define ZIP_FLG_ZINV            0x80
 121
 122
 123 /* ATP */
 124
 125 struct atp_hdr {
 126         uint8_t         ddphdr[DDPHDR_SIZE];
 127         uint8_t         atp_ctrl;
 128         uint8_t         atp_seq;
 129         uint8_t         atp_tid[2];
 130         uint8_t         atp_user[4];
 131 };
 132
 133 #define ATPHDR_SIZE     8
 134
 135 #define atp_fun(x)      (((x) >> 6) & 0x3)
 136 #define atp_tmo(x)      ((x) & 0x7)
 137
 138 #define ATP_TREQ                1
 139 #define ATP_TRESP               2
 140 #define ATP_TREL                3
 141 #define ATP_FLG_STS             0x08
 142 #define ATP_FLG_EOM             0x10
 143 #define ATP_FLG_XO              0x20
 144
 145
 146 #define NODE_ID_BROADCAST       0xff
 147
 148 struct ddp_adsphdr {
 149         uint8_t ddphdr[DDPHDR_SIZE];
 150         uint8_t ad_connid[2];           /* short */
 151         uint8_t ad_fbseq[4];            /* long */
 152         uint8_t ad_nrseq[4];            /* long */
 153         uint8_t ad_rcvwin[2];           /* short */
 154         uint8_t ad_desc;
 155 };
 156
 157 #define AD_CTRL         0x80
 158 #define AD_ACKREQ       0x40
 159 #define AD_EOM          0x20
 160 #define AD_ATT          0x10
 161 #define AD_CTRL_MASK    0x0f
 162
 163 #define AD_CREQ         0x81            /* Open Conn Request */
 164 #define AD_CACK         0x82            /* Open Conn Ack */
 165 #define AD_CREQ_ACK     0x83            /* Open Conn Req+Ack */
 166 #define AD_CDENY        0x84            /* Open Conn Denial */
 167
 168 struct ddp_adsp_att {
 169         struct ddp_adsphdr      ad;
 170         uint8_t         ad_att_code[2]; /* short */
 171 };
 172
 173 struct ddp_adsp_open {
 174         struct ddp_adsphdr      ad;
 175         uint8_t         ad_version[2];  /* short */
 176         uint8_t         ad_dconnid[2];  /* short */
 177         uint8_t         ad_attseq[4];   /* long */
 178 };
 179
 180 #define RTMP_REQ        1
 181 #define RTMP_RDR_SH     2       /* Route Data Request, split horizon */
 182 #define RTMP_RDR_NSH    3       /* Route Data Request, no split horizon */
 183
 184 #define RTMP_DIST_MASK  0x1f
 185 #define RTMP_EXTEND     0x80
 186 #define RTMP_FILLER     0x82
 187
 188
 189 uint16_t get_short(uint8_t *);
 190 uint32_t get_long(uint8_t *);
 191
 192 extern void interpret_aarp(int, char *, int);
 193 extern void interpret_at(int, struct ddp_hdr *, int);
 194 extern void interpret_nbp(int, struct nbp_hdr *, int);
 195 extern void interpret_rtmp(int, struct ddp_hdr *, int);
 196 extern void interpret_aecho(int, struct ddp_hdr *, int);
 197 extern void interpret_atp(int, struct ddp_hdr *, int);
 198 extern void interpret_adsp(int, struct ddp_adsphdr *, int);
 199 extern void interpret_ddp_zip(int, struct zip_hdr *, int);
 200 extern void interpret_atp_zip(int, struct atp_hdr *, int);
 201
 202 #ifdef __cplusplus
 203 }
 204 #endif
 205
 206 #endif /* _AT_H */