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 {
  76         __le16          a_len;
  77         __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
  78 };
  79
  80 struct sockaddr_dn
  81 {
  82         __u16           sdn_family;
  83         __u8            sdn_flags;
  84         __u8            sdn_objnum;
  85         __le16          sdn_objnamel;
  86         __u8            sdn_objname[DN_MAXOBJL];
  87         struct   dn_naddr       sdn_add;
  88 };
  89 #define sdn_nodeaddrl   sdn_add.a_len   /* Node address length  */
  90 #define sdn_nodeaddr    sdn_add.a_addr  /* Node address         */
  91
  92
  93
  94 /*
  95  * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
  96  */
  97 struct optdata_dn {
  98         __le16  opt_status;     /* Extended status return */
  99 #define opt_sts opt_status
 100         __le16  opt_optl;       /* Length of user data    */
 101         __u8   opt_data[16];   /* User data              */
 102 };
 103
 104 struct accessdata_dn
 105 {
 106         __u8            acc_accl;
 107         __u8            acc_acc[DN_MAXACCL];
 108         __u8            acc_passl;
 109         __u8            acc_pass[DN_MAXACCL];
 110         __u8            acc_userl;
 111         __u8            acc_user[DN_MAXACCL];
 112 };
 113
 114 /*
 115  * DECnet logical link information structure
 116  */
 117 struct linkinfo_dn {
 118         __u16  idn_segsize;    /* Segment size for link */
 119         __u8   idn_linkstate;  /* Logical link state    */
 120 };
 121
 122 /*
 123  * Ethernet address format (for DECnet)
 124  */
 125 union etheraddress {
 126         __u8 dne_addr[6];             /* Full ethernet address */
 127   struct {
 128                 __u8 dne_hiord[4];    /* DECnet HIORD prefix   */
 129                 __u8 dne_nodeaddr[2]; /* DECnet node address   */
 130   } dne_remote;
 131 };
 132
 133
 134 /*
 135  * DECnet physical socket address format
 136  */
 137 struct dn_addr {
 138         __le16 dna_family;      /* AF_DECnet               */
 139         union etheraddress dna_netaddr; /* DECnet ethernet address */
 140 };
 141
 142 #define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
 143
 144 #define SIOCSNETADDR  _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
 145 #define SIOCGNETADDR  _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
 146 #define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
 147 #define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
 148
 149 #endif /* _LINUX_DN_H */