include/linux/dn.h

   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
  74 struct dn_naddr {
  75         __le16          a_len;
  76         __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
  77 };
  78
  79 struct 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  */
  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         __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  */
 114 struct 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  */
 122 union 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  */
 134 struct 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 */