include/uapi/linux/dn.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _LINUX_DN_H
   3 #define _LINUX_DN_H
   4
   5 #include <linux/ioctl.h>
   6 #include <linux/types.h>
   7 #include <linux/if_ether.h>
   8
   9 /*
  10
  11         DECnet Data Structures and Constants
  12
  13 */
  14
  15 /*
  16  * DNPROTO_NSP can't be the same as SOL_SOCKET,
  17  * so increment each by one (compared to ULTRIX)
  18  */
  19 #define DNPROTO_NSP     2                       /* NSP protocol number       */
  20 #define DNPROTO_ROU     3                       /* Routing protocol number   */
  21 #define DNPROTO_NML     4                       /* Net mgt protocol number   */
  22 #define DNPROTO_EVL     5                       /* Evl protocol number (usr) */
  23 #define DNPROTO_EVR     6                       /* Evl protocol number (evl) */
  24 #define DNPROTO_NSPT    7                       /* NSP trace protocol number */
  25
  26
  27 #define DN_ADDL         2
  28 #define DN_MAXADDL      2 /* ULTRIX headers have 20 here, but pathworks has 2 */
  29 #define DN_MAXOPTL      16
  30 #define DN_MAXOBJL      16
  31 #define DN_MAXACCL      40
  32 #define DN_MAXALIASL    128
  33 #define DN_MAXNODEL     256
  34 #define DNBUFSIZE       65023
  35
  36 /*
  37  * SET/GET Socket options  - must match the DSO_ numbers below
  38  */
  39 #define SO_CONDATA      1
  40 #define SO_CONACCESS    2
  41 #define SO_PROXYUSR     3
  42 #define SO_LINKINFO     7
  43
  44 #define DSO_CONDATA     1        /* Set/Get connect data                */
  45 #define DSO_DISDATA     10       /* Set/Get disconnect data             */
  46 #define DSO_CONACCESS   2        /* Set/Get connect access data         */
  47 #define DSO_ACCEPTMODE  4        /* Set/Get accept mode                 */
  48 #define DSO_CONACCEPT   5        /* Accept deferred connection          */
  49 #define DSO_CONREJECT   6        /* Reject deferred connection          */
  50 #define DSO_LINKINFO    7        /* Set/Get link information            */
  51 #define DSO_STREAM      8        /* Set socket type to stream           */
  52 #define DSO_SEQPACKET   9        /* Set socket type to sequenced packet */
  53 #define DSO_MAXWINDOW   11       /* Maximum window size allowed         */
  54 #define DSO_NODELAY     12       /* Turn off nagle                      */
  55 #define DSO_CORK        13       /* Wait for more data!                 */
  56 #define DSO_SERVICES    14       /* NSP Services field                  */
  57 #define DSO_INFO        15       /* NSP Info field                      */
  58 #define DSO_MAX         15       /* Maximum option number               */
  59
  60
  61 /* LINK States */
  62 #define LL_INACTIVE     0
  63 #define LL_CONNECTING   1
  64 #define LL_RUNNING      2
  65 #define LL_DISCONNECTING 3
  66
  67 #define ACC_IMMED 0
  68 #define ACC_DEFER 1
  69
  70 #define SDF_WILD        1                  /* Wild card object          */
  71 #define SDF_PROXY       2                  /* Addr eligible for proxy   */
  72 #define SDF_UICPROXY    4                  /* Use uic-based proxy       */
  73
  74 /* Structures */
  75
  76
  77 struct dn_naddr {
  78         __le16          a_len;
  79         __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
  80 };
  81
  82 struct sockaddr_dn {
  83         __u16           sdn_family;
  84         __u8            sdn_flags;
  85         __u8            sdn_objnum;
  86         __le16          sdn_objnamel;
  87         __u8            sdn_objname[DN_MAXOBJL];
  88         struct   dn_naddr       sdn_add;
  89 };
  90 #define sdn_nodeaddrl   sdn_add.a_len   /* Node address length  */
  91 #define sdn_nodeaddr    sdn_add.a_addr  /* Node address         */
  92
  93
  94
  95 /*
  96  * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
  97  */
  98 struct optdata_dn {
  99         __le16  opt_status;     /* Extended status return */
 100 #define opt_sts opt_status
 101         __le16  opt_optl;       /* Length of user data    */
 102         __u8   opt_data[16];   /* User data              */
 103 };
 104
 105 struct accessdata_dn {
 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[ETH_ALEN];      /* 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 */