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_MAX         10       /* Maximum option number               */
  49
  50
  51 /* LINK States */
  52 #define LL_INACTIVE     0
  53 #define LL_CONNECTING   1
  54 #define LL_RUNNING      2
  55 #define LL_DISCONNECTING 3
  56
  57 #define ACC_IMMED 0
  58 #define ACC_DEFER 1
  59
  60 #define SDF_WILD        1                  /* Wild card object          */
  61 #define SDF_PROXY       2                  /* Addr eligible for proxy   */
  62 #define SDF_UICPROXY    4                  /* Use uic-based proxy       */
  63
  64 /* Structures */
  65
  66
  67 struct dn_naddr
  68 {
  69         unsigned short          a_len;
  70         unsigned char a_addr[DN_MAXADDL];
  71 };
  72
  73 struct sockaddr_dn
  74 {
  75         unsigned short          sdn_family;
  76         unsigned char           sdn_flags;
  77         unsigned char           sdn_objnum;
  78         unsigned short          sdn_objnamel;
  79         unsigned char           sdn_objname[DN_MAXOBJL];
  80         struct   dn_naddr       sdn_add;
  81 };
  82 #define sdn_nodeaddrl   sdn_add.a_len   /* Node address length  */
  83 #define sdn_nodeaddr    sdn_add.a_addr  /* Node address         */
  84
  85
  86
  87 /*
  88  * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
  89  */
  90 struct optdata_dn {
  91         unsigned short  opt_status;     /* Extended status return */
  92 #define opt_sts opt_status
  93         unsigned short  opt_optl;       /* Length of user data    */
  94         unsigned char   opt_data[16];   /* User data              */
  95 };
  96
  97 struct accessdata_dn
  98 {
  99         unsigned char           acc_accl;
 100         unsigned char           acc_acc[DN_MAXACCL];
 101         unsigned char           acc_passl;
 102         unsigned char           acc_pass[DN_MAXACCL];
 103         unsigned char           acc_userl;
 104         unsigned char           acc_user[DN_MAXACCL];
 105 };
 106
 107 /*
 108  * DECnet logical link information structure
 109  */
 110 struct linkinfo_dn {
 111         unsigned short  idn_segsize;    /* Segment size for link */
 112         unsigned char   idn_linkstate;  /* Logical link state    */
 113 };
 114
 115 /*
 116  * Ethernet address format (for DECnet)
 117  */
 118 union etheraddress {
 119         unsigned char dne_addr[6];             /* Full ethernet address */
 120   struct {
 121                 unsigned char dne_hiord[4];    /* DECnet HIORD prefix   */
 122                 unsigned char dne_nodeaddr[2]; /* DECnet node address   */
 123   } dne_remote;
 124 };
 125
 126
 127 /*
 128  * DECnet physical socket address format
 129  */
 130 struct dn_addr {
 131         unsigned short dna_family;      /* AF_DECnet               */
 132         union etheraddress dna_netaddr; /* DECnet ethernet address */
 133 };
 134
 135 #define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
 136
 137 #define SIOCSNETADDR  _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
 138 #define SIOCGNETADDR  _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
 139 #define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
 140 #define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
 141
 142 /*
 143  * An unofficial structure used to set/get routes.
 144  * Be warned, this will probably change as the routing
 145  * evolves. Also this is only for use with the ioctl()
 146  * and the routing will use rtnetlink eventually.
 147  */
 148 struct dn_fib_rtinfo {
 149         unsigned long flags; /* Flags */
 150 #define DN_FIB_RTINFO_F_REPLACE 0x0001  /* Replace any existing route */
 151 #define DN_FIB_RTINFO_F_DEVCOST 0x0002  /* Add cost of device         */
 152         unsigned long timeout; /* Time in seconds route should last */
 153         unsigned short src;  /* Source Address, 0 = any */
 154         unsigned short dst;  /* Destination Address     */
 155         unsigned short nhp;  /* Next Hop Address        */
 156         unsigned short hops; /* Hops on path            */
 157         unsigned short cost; /* Cost of path            */
 158         char device[16];
 159 };
 160
 161 #endif /* _LINUX_DN_H */