sysdeps/unix/sysv/linux/netax25/ax25.h

   1 /* Copyright (C) 1997-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _NETAX25_AX25_H
  19 #define _NETAX25_AX25_H 1
  20
  21 #include <features.h>
  22 #include <bits/sockaddr.h>
  23
  24 /* Setsockoptions(2) level.  Thanks to BSD these must match IPPROTO_xxx.  */
  25 #define SOL_AX25        257
  26
  27 /* AX.25 flags: */
  28 #define AX25_WINDOW     1
  29 #define AX25_T1         2
  30 #define AX25_T2         5
  31 #define AX25_T3         4
  32 #define AX25_N2         3
  33 #define AX25_BACKOFF    6
  34 #define AX25_EXTSEQ     7
  35 #define AX25_PIDINCL    8
  36 #define AX25_IDLE       9
  37 #define AX25_PACLEN     10
  38 #define AX25_IPMAXQUEUE 11
  39 #define AX25_IAMDIGI    12
  40 #define AX25_KILL       99
  41
  42 /* AX.25 socket ioctls: */
  43 #define SIOCAX25GETUID          (SIOCPROTOPRIVATE)
  44 #define SIOCAX25ADDUID          (SIOCPROTOPRIVATE+1)
  45 #define SIOCAX25DELUID          (SIOCPROTOPRIVATE+2)
  46 #define SIOCAX25NOUID           (SIOCPROTOPRIVATE+3)
  47 #define SIOCAX25BPQADDR         (SIOCPROTOPRIVATE+4)
  48 #define SIOCAX25GETPARMS        (SIOCPROTOPRIVATE+5)
  49 #define SIOCAX25SETPARMS        (SIOCPROTOPRIVATE+6)
  50 #define SIOCAX25OPTRT           (SIOCPROTOPRIVATE+7)
  51 #define SIOCAX25CTLCON          (SIOCPROTOPRIVATE+8)
  52 #define SIOCAX25GETINFO         (SIOCPROTOPRIVATE+9)
  53 #define SIOCAX25ADDFWD          (SIOCPROTOPRIVATE+10)
  54 #define SIOCAX25DELFWD          (SIOCPROTOPRIVATE+11)
  55
  56 /* unknown: */
  57 #define AX25_NOUID_DEFAULT      0
  58 #define AX25_NOUID_BLOCK        1
  59 #define AX25_SET_RT_IPMODE      2
  60
  61 /* Digipeating flags: */
  62 #define AX25_DIGI_INBAND        0x01    /* Allow digipeating within port */
  63 #define AX25_DIGI_XBAND         0x02    /* Allow digipeating across ports */
  64
  65 /* Maximim number of digipeaters: */
  66 #define AX25_MAX_DIGIS 8
  67
  68
  69 typedef struct
  70   {
  71     char ax25_call[7];          /* 6 call + SSID (shifted ascii) */
  72   }
  73 ax25_address;
  74
  75 struct sockaddr_ax25
  76   {
  77     sa_family_t sax25_family;
  78     ax25_address sax25_call;
  79     int sax25_ndigis;
  80   };
  81
  82 /*
  83  * The sockaddr struct with the digipeater adresses:
  84  */
  85 struct full_sockaddr_ax25
  86   {
  87     struct sockaddr_ax25 fsa_ax25;
  88     ax25_address fsa_digipeater[AX25_MAX_DIGIS];
  89   };
  90 #define sax25_uid       sax25_ndigis
  91
  92 struct ax25_routes_struct
  93   {
  94     ax25_address port_addr;
  95     ax25_address dest_addr;
  96     unsigned char digi_count;
  97     ax25_address digi_addr[AX25_MAX_DIGIS];
  98   };
  99
 100 /* The AX.25 ioctl structure: */
 101 struct ax25_ctl_struct
 102   {
 103     ax25_address port_addr;
 104     ax25_address source_addr;
 105     ax25_address dest_addr;
 106     unsigned int cmd;
 107     unsigned long arg;
 108     unsigned char digi_count;
 109     ax25_address digi_addr[AX25_MAX_DIGIS];
 110   };
 111
 112 struct ax25_info_struct
 113   {
 114     unsigned int  n2, n2count;
 115     unsigned int t1, t1timer;
 116     unsigned int t2, t2timer;
 117     unsigned int t3, t3timer;
 118     unsigned int idle, idletimer;
 119     unsigned int state;
 120     unsigned int rcv_q, snd_q;
 121   };
 122
 123 struct ax25_fwd_struct
 124   {
 125     ax25_address port_from;
 126     ax25_address port_to;
 127   };
 128
 129 /* AX.25 route structure: */
 130 struct ax25_route_opt_struct
 131   {
 132     ax25_address port_addr;
 133     ax25_address dest_addr;
 134     int cmd;
 135     int arg;
 136   };
 137
 138 /* AX.25 BPQ stuff: */
 139 struct ax25_bpqaddr_struct
 140   {
 141     char dev[16];
 142     ax25_address addr;
 143   };
 144
 145 /* Definitions for the AX.25 `values' fields: */
 146 #define AX25_VALUES_IPDEFMODE   0       /* 'D'=DG 'V'=VC */
 147 #define AX25_VALUES_AXDEFMODE   1       /* 8=Normal 128=Extended Seq Nos */
 148 #define AX25_VALUES_NETROM      2       /* Allow NET/ROM  - 0=No 1=Yes */
 149 #define AX25_VALUES_TEXT        3       /* Allow PID=Text - 0=No 1=Yes */
 150 #define AX25_VALUES_BACKOFF     4       /* 'E'=Exponential 'L'=Linear */
 151 #define AX25_VALUES_CONMODE     5       /* Allow connected modes - 0=No 1=Yes */
 152 #define AX25_VALUES_WINDOW      6       /* Default window size for standard AX.25 */
 153 #define AX25_VALUES_EWINDOW     7       /* Default window size for extended AX.25 */
 154 #define AX25_VALUES_T1          8       /* Default T1 timeout value */
 155 #define AX25_VALUES_T2          9       /* Default T2 timeout value */
 156 #define AX25_VALUES_T3          10      /* Default T3 timeout value */
 157 #define AX25_VALUES_N2          11      /* Default N2 value */
 158 #define AX25_VALUES_DIGI        12      /* Digipeat mode */
 159 #define AX25_VALUES_IDLE        13      /* mode vc idle timer */
 160 #define AX25_VALUES_PACLEN      14      /* AX.25 MTU */
 161 #define AX25_VALUES_IPMAXQUEUE  15      /* Maximum number of buffers enqueued */
 162 #define AX25_MAX_VALUES         20
 163
 164 struct ax25_parms_struct
 165   {
 166     ax25_address port_addr;
 167     unsigned short values[AX25_MAX_VALUES];
 168   };
 169
 170 #endif /* netax25/ax25.h */