LXR linux/include/linux/dn.h

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