LXR linux/include/uapi/linux/ax25.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * These are the public elements of the Linux kernel AX.25 code. A similar
   4 * file netrom.h exists for the NET/ROM protocol.
   5 */
   6
   7#ifndef AX25_KERNEL_H
   8#define AX25_KERNEL_H
   9
  10#include <linux/socket.h>
  11
  12#define AX25_MTU        256
  13#define AX25_MAX_DIGIS  8
  14
  15#define AX25_WINDOW     1
  16#define AX25_T1         2
  17#define AX25_N2         3
  18#define AX25_T3         4
  19#define AX25_T2         5
  20#define AX25_BACKOFF    6
  21#define AX25_EXTSEQ     7
  22#define AX25_PIDINCL    8
  23#define AX25_IDLE       9
  24#define AX25_PACLEN     10
  25#define AX25_IAMDIGI    12
  26
  27#define AX25_KILL       99
  28
  29#define SIOCAX25GETUID          (SIOCPROTOPRIVATE+0)
  30#define SIOCAX25ADDUID          (SIOCPROTOPRIVATE+1)
  31#define SIOCAX25DELUID          (SIOCPROTOPRIVATE+2)
  32#define SIOCAX25NOUID           (SIOCPROTOPRIVATE+3)
  33#define SIOCAX25OPTRT           (SIOCPROTOPRIVATE+7)
  34#define SIOCAX25CTLCON          (SIOCPROTOPRIVATE+8)
  35#define SIOCAX25GETINFOOLD      (SIOCPROTOPRIVATE+9)
  36#define SIOCAX25ADDFWD          (SIOCPROTOPRIVATE+10)
  37#define SIOCAX25DELFWD          (SIOCPROTOPRIVATE+11)
  38#define SIOCAX25DEVCTL          (SIOCPROTOPRIVATE+12)
  39#define SIOCAX25GETINFO         (SIOCPROTOPRIVATE+13)
  40
  41#define AX25_SET_RT_IPMODE      2
  42
  43#define AX25_NOUID_DEFAULT      0
  44#define AX25_NOUID_BLOCK        1
  45
  46typedef struct {
  47        char            ax25_call[7];   /* 6 call + SSID (shifted ascii!) */
  48} ax25_address;
  49
  50struct sockaddr_ax25 {
  51        __kernel_sa_family_t sax25_family;
  52        ax25_address    sax25_call;
  53        int             sax25_ndigis;
  54        /* Digipeater ax25_address sets follow */
  55};
  56
  57#define sax25_uid       sax25_ndigis
  58
  59struct full_sockaddr_ax25 {
  60        struct sockaddr_ax25 fsa_ax25;
  61        ax25_address    fsa_digipeater[AX25_MAX_DIGIS];
  62};
  63
  64struct ax25_routes_struct {
  65        ax25_address    port_addr;
  66        ax25_address    dest_addr;
  67        unsigned char   digi_count;
  68        ax25_address    digi_addr[AX25_MAX_DIGIS];
  69};
  70
  71struct ax25_route_opt_struct {
  72        ax25_address    port_addr;
  73        ax25_address    dest_addr;
  74        int             cmd;
  75        int             arg;
  76};
  77
  78struct ax25_ctl_struct {
  79        ax25_address            port_addr;
  80        ax25_address            source_addr;
  81        ax25_address            dest_addr;
  82        unsigned int            cmd;
  83        unsigned long           arg;
  84        unsigned char           digi_count;
  85        ax25_address            digi_addr[AX25_MAX_DIGIS];
  86};
  87
  88/* this will go away. Please do not export to user land */
  89struct ax25_info_struct_deprecated {
  90        unsigned int    n2, n2count;
  91        unsigned int    t1, t1timer;
  92        unsigned int    t2, t2timer;
  93        unsigned int    t3, t3timer;
  94        unsigned int    idle, idletimer;
  95        unsigned int    state;
  96        unsigned int    rcv_q, snd_q;
  97};
  98
  99struct ax25_info_struct {
 100        unsigned int    n2, n2count;
 101        unsigned int    t1, t1timer;
 102        unsigned int    t2, t2timer;
 103        unsigned int    t3, t3timer;
 104        unsigned int    idle, idletimer;
 105        unsigned int    state;
 106        unsigned int    rcv_q, snd_q;
 107        unsigned int    vs, vr, va, vs_max;
 108        unsigned int    paclen;
 109        unsigned int    window;
 110};
 111
 112struct ax25_fwd_struct {
 113        ax25_address    port_from;
 114        ax25_address    port_to;
 115};
 116
 117#endif
 118