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
  72 struct dn_naddr
  73 {
  74         __le16          a_len;
  75         __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
  76 };
  77
  78 struct 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  */
  95 struct 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
 102 struct 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  */
 115 struct 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  */
 123 union 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  */
 135 struct 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 */