--- /dev/null
+/* Copyright (C) 1997-2018 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
+ <http://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 */
+
+/* Maximim 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 adresses:
+ */
+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 */
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