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