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
  46 typedef struct {
  47         char            ax25_call[7];   /* 6 call + SSID (shifted ascii!) */
  48 } ax25_address;
  49
  50 struct 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
  59 struct full_sockaddr_ax25 {
  60         struct sockaddr_ax25 fsa_ax25;
  61         ax25_address    fsa_digipeater[AX25_MAX_DIGIS];
  62 };
  63
  64 struct 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
  71 struct ax25_route_opt_struct {
  72         ax25_address    port_addr;
  73         ax25_address    dest_addr;
  74         int             cmd;
  75         int             arg;
  76 };
  77
  78 struct 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 */
  89 struct 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
  99 struct 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
 112 struct ax25_fwd_struct {
 113         ax25_address    port_from;
 114         ax25_address    port_to;
 115 };
 116
 117 #endif