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ax25.h
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/* Copyright (C) 1997-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _NETAX25_AX25_H #define _NETAX25_AX25_H 1 #include <features.h> #include <bits/sockaddr.h> /* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx. */ #define SOL_AX25 257 /* AX.25 flags: */ #define AX25_WINDOW 1 #define AX25_T1 2 #define AX25_T2 5 #define AX25_T3 4 #define AX25_N2 3 #define AX25_BACKOFF 6 #define AX25_EXTSEQ 7 #define AX25_PIDINCL 8 #define AX25_IDLE 9 #define AX25_PACLEN 10 #define AX25_IPMAXQUEUE 11 #define AX25_IAMDIGI 12 #define AX25_KILL 99 /* AX.25 socket ioctls: */ #define SIOCAX25GETUID (SIOCPROTOPRIVATE) #define SIOCAX25ADDUID (SIOCPROTOPRIVATE+1) #define SIOCAX25DELUID (SIOCPROTOPRIVATE+2) #define SIOCAX25NOUID (SIOCPROTOPRIVATE+3) #define SIOCAX25BPQADDR (SIOCPROTOPRIVATE+4) #define SIOCAX25GETPARMS (SIOCPROTOPRIVATE+5) #define SIOCAX25SETPARMS (SIOCPROTOPRIVATE+6) #define SIOCAX25OPTRT (SIOCPROTOPRIVATE+7) #define SIOCAX25CTLCON (SIOCPROTOPRIVATE+8) #define SIOCAX25GETINFO (SIOCPROTOPRIVATE+9) #define SIOCAX25ADDFWD (SIOCPROTOPRIVATE+10) #define SIOCAX25DELFWD (SIOCPROTOPRIVATE+11) /* unknown: */ #define AX25_NOUID_DEFAULT 0 #define AX25_NOUID_BLOCK 1 #define AX25_SET_RT_IPMODE 2 /* Digipeating flags: */ #define AX25_DIGI_INBAND 0x01 /* Allow digipeating within port */ #define AX25_DIGI_XBAND 0x02 /* Allow digipeating across ports */ /* Maximum number of digipeaters: */ #define AX25_MAX_DIGIS 8 typedef struct { char ax25_call[7]; /* 6 call + SSID (shifted ascii) */ } ax25_address; struct sockaddr_ax25 { sa_family_t sax25_family; ax25_address sax25_call; int sax25_ndigis; }; /* * The sockaddr struct with the digipeater addresses: */ struct full_sockaddr_ax25 { struct sockaddr_ax25 fsa_ax25; ax25_address fsa_digipeater[AX25_MAX_DIGIS]; }; #define sax25_uid sax25_ndigis struct ax25_routes_struct { ax25_address port_addr; ax25_address dest_addr; unsigned char digi_count; ax25_address digi_addr[AX25_MAX_DIGIS]; }; /* The AX.25 ioctl structure: */ struct ax25_ctl_struct { ax25_address port_addr; ax25_address source_addr; ax25_address dest_addr; unsigned int cmd; unsigned long arg; unsigned char digi_count; ax25_address digi_addr[AX25_MAX_DIGIS]; }; struct ax25_info_struct { unsigned int n2, n2count; unsigned int t1, t1timer; unsigned int t2, t2timer; unsigned int t3, t3timer; unsigned int idle, idletimer; unsigned int state; unsigned int rcv_q, snd_q; }; struct ax25_fwd_struct { ax25_address port_from; ax25_address port_to; }; /* AX.25 route structure: */ struct ax25_route_opt_struct { ax25_address port_addr; ax25_address dest_addr; int cmd; int arg; }; /* AX.25 BPQ stuff: */ struct ax25_bpqaddr_struct { char dev[16]; ax25_address addr; }; /* Definitions for the AX.25 `values' fields: */ #define AX25_VALUES_IPDEFMODE 0 /* 'D'=DG 'V'=VC */ #define AX25_VALUES_AXDEFMODE 1 /* 8=Normal 128=Extended Seq Nos */ #define AX25_VALUES_NETROM 2 /* Allow NET/ROM - 0=No 1=Yes */ #define AX25_VALUES_TEXT 3 /* Allow PID=Text - 0=No 1=Yes */ #define AX25_VALUES_BACKOFF 4 /* 'E'=Exponential 'L'=Linear */ #define AX25_VALUES_CONMODE 5 /* Allow connected modes - 0=No 1=Yes */ #define AX25_VALUES_WINDOW 6 /* Default window size for standard AX.25 */ #define AX25_VALUES_EWINDOW 7 /* Default window size for extended AX.25 */ #define AX25_VALUES_T1 8 /* Default T1 timeout value */ #define AX25_VALUES_T2 9 /* Default T2 timeout value */ #define AX25_VALUES_T3 10 /* Default T3 timeout value */ #define AX25_VALUES_N2 11 /* Default N2 value */ #define AX25_VALUES_DIGI 12 /* Digipeat mode */ #define AX25_VALUES_IDLE 13 /* mode vc idle timer */ #define AX25_VALUES_PACLEN 14 /* AX.25 MTU */ #define AX25_VALUES_IPMAXQUEUE 15 /* Maximum number of buffers enqueued */ #define AX25_MAX_VALUES 20 struct ax25_parms_struct { ax25_address port_addr; unsigned short values[AX25_MAX_VALUES]; }; #endif /* netax25/ax25.h */