/*
* These are the public elements of the Linux kernel AX.25 code. A similar
* file netrom.h exists for the NET/ROM protocol.
*/

#ifndef AX25_KERNEL_H
#define AX25_KERNEL_H

#include <linux/socket.h>

#define AX25_MTU 256
#define AX25_MAX_DIGIS 8

#define AX25_WINDOW 1
#define AX25_T1 2
#define AX25_N2 3
#define AX25_T3 4
#define AX25_T2 5
#define AX25_BACKOFF 6
#define AX25_EXTSEQ 7
#define AX25_PIDINCL 8
#define AX25_IDLE 9
#define AX25_PACLEN 10
#define AX25_IAMDIGI 12

#define AX25_KILL 99

#define SIOCAX25GETUID (SIOCPROTOPRIVATE+0)
#define SIOCAX25ADDUID (SIOCPROTOPRIVATE+1)
#define SIOCAX25DELUID (SIOCPROTOPRIVATE+2)
#define SIOCAX25NOUID (SIOCPROTOPRIVATE+3)
#define SIOCAX25OPTRT (SIOCPROTOPRIVATE+7)
#define SIOCAX25CTLCON (SIOCPROTOPRIVATE+8)
#define SIOCAX25GETINFOOLD (SIOCPROTOPRIVATE+9)
#define SIOCAX25ADDFWD (SIOCPROTOPRIVATE+10)
#define SIOCAX25DELFWD (SIOCPROTOPRIVATE+11)
#define SIOCAX25DEVCTL (SIOCPROTOPRIVATE+12)
#define SIOCAX25GETINFO (SIOCPROTOPRIVATE+13)

#define AX25_SET_RT_IPMODE 2

#define AX25_NOUID_DEFAULT 0
#define AX25_NOUID_BLOCK 1

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;
/* Digipeater ax25_address sets follow */
};

#define sax25_uid sax25_ndigis

struct full_sockaddr_ax25 {
struct sockaddr_ax25 fsa_ax25;
ax25_address fsa_digipeater[AX25_MAX_DIGIS];
};

struct ax25_routes_struct {
ax25_address port_addr;
ax25_address dest_addr;
unsigned char digi_count;
ax25_address digi_addr[AX25_MAX_DIGIS];
};

struct ax25_route_opt_struct {
ax25_address port_addr;
ax25_address dest_addr;
int cmd;
int arg;
};

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];
};

/* this will go away. Please do not export to user land */
struct ax25_info_struct_deprecated {
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_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;
unsigned int vs, vr, va, vs_max;
unsigned int paclen;
unsigned int window;
};

struct ax25_fwd_struct {
ax25_address port_from;
ax25_address port_to;
};

#endif