LXR linux-old/include/linux/x25.h

   1/*
   2 * These are the public elements of the Linux kernel X.25 implementation.
   3 *
   4 *      History
   5 *      mar/20/00       Daniela Squassoni Disabling/enabling of facilities 
   6 *                                        negotiation.
   7 */
   8
   9#ifndef X25_KERNEL_H
  10#define X25_KERNEL_H
  11
  12#define SIOCX25GSUBSCRIP        (SIOCPROTOPRIVATE + 0)
  13#define SIOCX25SSUBSCRIP        (SIOCPROTOPRIVATE + 1)
  14#define SIOCX25GFACILITIES      (SIOCPROTOPRIVATE + 2)
  15#define SIOCX25SFACILITIES      (SIOCPROTOPRIVATE + 3)
  16#define SIOCX25GCALLUSERDATA    (SIOCPROTOPRIVATE + 4)
  17#define SIOCX25SCALLUSERDATA    (SIOCPROTOPRIVATE + 5)
  18#define SIOCX25GCAUSEDIAG       (SIOCPROTOPRIVATE + 6)
  19
  20/*
  21 *      Values for {get,set}sockopt.
  22 */
  23#define X25_QBITINCL            1
  24
  25/*
  26 *      X.25 Packet Size values.
  27 */
  28#define X25_PS16                4
  29#define X25_PS32                5
  30#define X25_PS64                6
  31#define X25_PS128               7
  32#define X25_PS256               8
  33#define X25_PS512               9
  34#define X25_PS1024              10
  35#define X25_PS2048              11
  36#define X25_PS4096              12
  37
  38/*
  39 * An X.121 address, it is held as ASCII text, null terminated, up to 15
  40 * digits and a null terminator.
  41 */
  42typedef struct {
  43        char            x25_addr[16];
  44} x25_address;
  45
  46/*
  47 *      Linux X.25 Address structure, used for bind, and connect mostly.
  48 */
  49struct sockaddr_x25 {
  50        sa_family_t     sx25_family;            /* Must be AF_X25 */
  51        x25_address     sx25_addr;              /* X.121 Address */
  52};
  53
  54/*
  55 *      DTE/DCE subscription options.
  56 *
  57 *      As this is missing lots of options, user should expect major
  58 *      changes of this structure in 2.5.x which might break compatibilty.
  59 *      The somewhat ugly dimension 200-sizeof() is needed to maintain
  60 *      backward compatibility.
  61 */
  62struct x25_subscrip_struct {
  63        char device[200-sizeof(unsigned long)];
  64        unsigned long   global_facil_mask;      /* 0 to disable negotiation */
  65        unsigned int    extended;
  66};
  67
  68/* values for above global_facil_mask */
  69
  70#define X25_MASK_REVERSE        0x01    
  71#define X25_MASK_THROUGHPUT     0x02
  72#define X25_MASK_PACKET_SIZE    0x04
  73#define X25_MASK_WINDOW_SIZE    0x08
  74
  75
  76
  77/*
  78 *      Routing table control structure.
  79 */
  80struct x25_route_struct {
  81        x25_address     address;
  82        unsigned int    sigdigits;
  83        char            device[200];
  84};
  85
  86/*
  87 *      Facilities structure.
  88 */
  89struct x25_facilities {
  90        unsigned int    winsize_in, winsize_out;
  91        unsigned int    pacsize_in, pacsize_out;
  92        unsigned int    throughput;
  93        unsigned int    reverse;
  94};
  95
  96/*
  97 *      Call User Data structure.
  98 */
  99struct x25_calluserdata {
 100        unsigned int    cudlength;
 101        unsigned char   cuddata[128];
 102};
 103
 104/*
 105 *      Call clearing Cause and Diagnostic structure.
 106 */
 107struct x25_causediag {
 108        unsigned char   cause;
 109        unsigned char   diagnostic;
 110};
 111
 112#endif
 113