1 /* Copyright (C) 1997-2022 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 <https://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 */ 171