LXR linux/include/uapi/linux/dn.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _LINUX_DN_H
   3#define _LINUX_DN_H
   4
   5#include <linux/ioctl.h>
   6#include <linux/types.h>
   7#include <linux/if_ether.h>
   8
   9/*
  10
  11        DECnet Data Structures and Constants
  12
  13*/
  14
  15/* 
  16 * DNPROTO_NSP can't be the same as SOL_SOCKET, 
  17 * so increment each by one (compared to ULTRIX)
  18 */
  19#define DNPROTO_NSP     2                       /* NSP protocol number       */
  20#define DNPROTO_ROU     3                       /* Routing protocol number   */
  21#define DNPROTO_NML     4                       /* Net mgt protocol number   */
  22#define DNPROTO_EVL     5                       /* Evl protocol number (usr) */
  23#define DNPROTO_EVR     6                       /* Evl protocol number (evl) */
  24#define DNPROTO_NSPT    7                       /* NSP trace protocol number */
  25
  26
  27#define DN_ADDL         2
  28#define DN_MAXADDL      2 /* ULTRIX headers have 20 here, but pathworks has 2 */
  29#define DN_MAXOPTL      16
  30#define DN_MAXOBJL      16
  31#define DN_MAXACCL      40
  32#define DN_MAXALIASL    128
  33#define DN_MAXNODEL     256
  34#define DNBUFSIZE       65023
  35
  36/* 
  37 * SET/GET Socket options  - must match the DSO_ numbers below
  38 */
  39#define SO_CONDATA      1
  40#define SO_CONACCESS    2
  41#define SO_PROXYUSR     3
  42#define SO_LINKINFO     7
  43
  44#define DSO_CONDATA     1        /* Set/Get connect data                */
  45#define DSO_DISDATA     10       /* Set/Get disconnect data             */
  46#define DSO_CONACCESS   2        /* Set/Get connect access data         */
  47#define DSO_ACCEPTMODE  4        /* Set/Get accept mode                 */
  48#define DSO_CONACCEPT   5        /* Accept deferred connection          */
  49#define DSO_CONREJECT   6        /* Reject deferred connection          */
  50#define DSO_LINKINFO    7        /* Set/Get link information            */
  51#define DSO_STREAM      8        /* Set socket type to stream           */
  52#define DSO_SEQPACKET   9        /* Set socket type to sequenced packet */
  53#define DSO_MAXWINDOW   11       /* Maximum window size allowed         */
  54#define DSO_NODELAY     12       /* Turn off nagle                      */
  55#define DSO_CORK        13       /* Wait for more data!                 */
  56#define DSO_SERVICES    14       /* NSP Services field                  */
  57#define DSO_INFO        15       /* NSP Info field                      */
  58#define DSO_MAX         15       /* Maximum option number               */
  59
  60
  61/* LINK States */
  62#define LL_INACTIVE     0
  63#define LL_CONNECTING   1
  64#define LL_RUNNING      2
  65#define LL_DISCONNECTING 3
  66
  67#define ACC_IMMED 0
  68#define ACC_DEFER 1
  69
  70#define SDF_WILD        1                  /* Wild card object          */
  71#define SDF_PROXY       2                  /* Addr eligible for proxy   */
  72#define SDF_UICPROXY    4                  /* Use uic-based proxy       */
  73
  74/* Structures */
  75
  76
  77struct dn_naddr {
  78        __le16          a_len;
  79        __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
  80};
  81
  82struct sockaddr_dn {
  83        __u16           sdn_family;
  84        __u8            sdn_flags;
  85        __u8            sdn_objnum;
  86        __le16          sdn_objnamel;
  87        __u8            sdn_objname[DN_MAXOBJL];
  88        struct   dn_naddr       sdn_add;
  89};
  90#define sdn_nodeaddrl   sdn_add.a_len   /* Node address length  */
  91#define sdn_nodeaddr    sdn_add.a_addr  /* Node address         */
  92
  93
  94
  95/*
  96 * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
  97 */
  98struct optdata_dn {
  99        __le16  opt_status;     /* Extended status return */
 100#define opt_sts opt_status
 101        __le16  opt_optl;       /* Length of user data    */
 102        __u8   opt_data[16];   /* User data              */
 103};
 104
 105struct accessdata_dn {
 106        __u8            acc_accl;
 107        __u8            acc_acc[DN_MAXACCL];
 108        __u8            acc_passl;
 109        __u8            acc_pass[DN_MAXACCL];
 110        __u8            acc_userl;
 111        __u8            acc_user[DN_MAXACCL];
 112};
 113
 114/*
 115 * DECnet logical link information structure
 116 */
 117struct linkinfo_dn {
 118        __u16  idn_segsize;    /* Segment size for link */
 119        __u8   idn_linkstate;  /* Logical link state    */
 120};
 121
 122/*
 123 * Ethernet address format (for DECnet)
 124 */
 125union etheraddress {
 126        __u8 dne_addr[ETH_ALEN];      /* Full ethernet address */
 127  struct {
 128                __u8 dne_hiord[4];    /* DECnet HIORD prefix   */
 129                __u8 dne_nodeaddr[2]; /* DECnet node address   */
 130  } dne_remote;
 131};
 132
 133
 134/*
 135 * DECnet physical socket address format
 136 */
 137struct dn_addr {
 138        __le16 dna_family;      /* AF_DECnet               */
 139        union etheraddress dna_netaddr; /* DECnet ethernet address */
 140};
 141
 142#define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
 143
 144#define SIOCSNETADDR  _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
 145#define SIOCGNETADDR  _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
 146#define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
 147#define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
 148
 149#endif /* _LINUX_DN_H */
 150