/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/*

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* These are the public elements of the Linux kernel AX.25 code. A similar

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* file netrom.h exists for the NET/ROM protocol.

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*/

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#ifndef AX25_KERNEL_H

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#define AX25_KERNEL_H

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#include <linux/socket.h>

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#define AX25_MTU 256

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#define AX25_MAX_DIGIS 8

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#define AX25_WINDOW 1

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#define AX25_T1 2

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#define AX25_N2 3

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#define AX25_T3 4

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#define AX25_T2 5

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#define AX25_BACKOFF 6

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#define AX25_EXTSEQ 7

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#define AX25_PIDINCL 8

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#define AX25_IDLE 9

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#define AX25_PACLEN 10

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#define AX25_IAMDIGI 12

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#define AX25_KILL 99

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#define SIOCAX25GETUID (SIOCPROTOPRIVATE+0)

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#define SIOCAX25ADDUID (SIOCPROTOPRIVATE+1)

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#define SIOCAX25DELUID (SIOCPROTOPRIVATE+2)

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#define SIOCAX25NOUID (SIOCPROTOPRIVATE+3)

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#define SIOCAX25OPTRT (SIOCPROTOPRIVATE+7)

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#define SIOCAX25CTLCON (SIOCPROTOPRIVATE+8)

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#define SIOCAX25GETINFOOLD (SIOCPROTOPRIVATE+9)

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#define SIOCAX25ADDFWD (SIOCPROTOPRIVATE+10)

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#define SIOCAX25DELFWD (SIOCPROTOPRIVATE+11)

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#define SIOCAX25DEVCTL (SIOCPROTOPRIVATE+12)

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#define SIOCAX25GETINFO (SIOCPROTOPRIVATE+13)

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#define AX25_SET_RT_IPMODE 2

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#define AX25_NOUID_DEFAULT 0

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#define AX25_NOUID_BLOCK 1

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typedef struct {

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char ax25_call[7]; /* 6 call + SSID (shifted ascii!) */

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} ax25_address;

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struct sockaddr_ax25 {

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__kernel_sa_family_t sax25_family;

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ax25_address sax25_call;

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int sax25_ndigis;

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/* Digipeater ax25_address sets follow */

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};

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#define sax25_uid sax25_ndigis

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struct full_sockaddr_ax25 {

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struct sockaddr_ax25 fsa_ax25;

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ax25_address fsa_digipeater[AX25_MAX_DIGIS];

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};

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struct ax25_routes_struct {

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ax25_address port_addr;

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ax25_address dest_addr;

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unsigned char digi_count;

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ax25_address digi_addr[AX25_MAX_DIGIS];

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};

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struct ax25_route_opt_struct {

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ax25_address port_addr;

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ax25_address dest_addr;

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int cmd;

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int arg;

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};

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struct ax25_ctl_struct {

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ax25_address port_addr;

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ax25_address source_addr;

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ax25_address dest_addr;

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unsigned int cmd;

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unsigned long arg;

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unsigned char digi_count;

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ax25_address digi_addr[AX25_MAX_DIGIS];

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};

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/* this will go away. Please do not export to user land */

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struct ax25_info_struct_deprecated {

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unsigned int n2, n2count;

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unsigned int t1, t1timer;

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unsigned int t2, t2timer;

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unsigned int t3, t3timer;

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unsigned int idle, idletimer;

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unsigned int state;

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unsigned int rcv_q, snd_q;

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};

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struct ax25_info_struct {

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unsigned int n2, n2count;

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unsigned int t1, t1timer;

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unsigned int t2, t2timer;

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unsigned int t3, t3timer;

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unsigned int idle, idletimer;

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unsigned int state;

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unsigned int rcv_q, snd_q;

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unsigned int vs, vr, va, vs_max;

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unsigned int paclen;

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unsigned int window;

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};

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struct ax25_fwd_struct {

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ax25_address port_from;

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ax25_address port_to;

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};

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#endif

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