--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/dn.h Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,147 @@
+#ifndef _LINUX_DN_H
+#define _LINUX_DN_H
+
+/*
+
+ DECnet Data Structures and Constants
+
+*/
+
+/*
+ * DNPROTO_NSP can't be the same as SOL_SOCKET,
+ * so increment each by one (compared to ULTRIX)
+ */
+#define DNPROTO_NSP 2 /* NSP protocol number */
+#define DNPROTO_ROU 3 /* Routing protocol number */
+#define DNPROTO_NML 4 /* Net mgt protocol number */
+#define DNPROTO_EVL 5 /* Evl protocol number (usr) */
+#define DNPROTO_EVR 6 /* Evl protocol number (evl) */
+#define DNPROTO_NSPT 7 /* NSP trace protocol number */
+
+
+#define DN_ADDL 2
+#define DN_MAXADDL 2 /* ULTRIX headers have 20 here, but pathworks has 2 */
+#define DN_MAXOPTL 16
+#define DN_MAXOBJL 16
+#define DN_MAXACCL 40
+#define DN_MAXALIASL 128
+#define DN_MAXNODEL 256
+#define DNBUFSIZE 65023
+
+/*
+ * SET/GET Socket options - must match the DSO_ numbers below
+ */
+#define SO_CONDATA 1
+#define SO_CONACCESS 2
+#define SO_PROXYUSR 3
+#define SO_LINKINFO 7
+
+#define DSO_CONDATA 1 /* Set/Get connect data */
+#define DSO_DISDATA 10 /* Set/Get disconnect data */
+#define DSO_CONACCESS 2 /* Set/Get connect access data */
+#define DSO_ACCEPTMODE 4 /* Set/Get accept mode */
+#define DSO_CONACCEPT 5 /* Accept deferred connection */
+#define DSO_CONREJECT 6 /* Reject deferred connection */
+#define DSO_LINKINFO 7 /* Set/Get link information */
+#define DSO_STREAM 8 /* Set socket type to stream */
+#define DSO_SEQPACKET 9 /* Set socket type to sequenced packet */
+#define DSO_MAXWINDOW 11 /* Maximum window size allowed */
+#define DSO_NODELAY 12 /* Turn off nagle */
+#define DSO_CORK 13 /* Wait for more data! */
+#define DSO_SERVICES 14 /* NSP Services field */
+#define DSO_INFO 15 /* NSP Info field */
+#define DSO_MAX 15 /* Maximum option number */
+
+
+/* LINK States */
+#define LL_INACTIVE 0
+#define LL_CONNECTING 1
+#define LL_RUNNING 2
+#define LL_DISCONNECTING 3
+
+#define ACC_IMMED 0
+#define ACC_DEFER 1
+
+#define SDF_WILD 1 /* Wild card object */
+#define SDF_PROXY 2 /* Addr eligible for proxy */
+#define SDF_UICPROXY 4 /* Use uic-based proxy */
+
+/* Structures */
+
+
+struct dn_naddr
+{
+ __le16 a_len;
+ __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
+};
+
+struct sockaddr_dn
+{
+ __u16 sdn_family;
+ __u8 sdn_flags;
+ __u8 sdn_objnum;
+ __le16 sdn_objnamel;
+ __u8 sdn_objname[DN_MAXOBJL];
+ struct dn_naddr sdn_add;
+};
+#define sdn_nodeaddrl sdn_add.a_len /* Node address length */
+#define sdn_nodeaddr sdn_add.a_addr /* Node address */
+
+
+
+/*
+ * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
+ */
+struct optdata_dn {
+ __le16 opt_status; /* Extended status return */
+#define opt_sts opt_status
+ __le16 opt_optl; /* Length of user data */
+ __u8 opt_data[16]; /* User data */
+};
+
+struct accessdata_dn
+{
+ __u8 acc_accl;
+ __u8 acc_acc[DN_MAXACCL];
+ __u8 acc_passl;
+ __u8 acc_pass[DN_MAXACCL];
+ __u8 acc_userl;
+ __u8 acc_user[DN_MAXACCL];
+};
+
+/*
+ * DECnet logical link information structure
+ */
+struct linkinfo_dn {
+ __u16 idn_segsize; /* Segment size for link */
+ __u8 idn_linkstate; /* Logical link state */
+};
+
+/*
+ * Ethernet address format (for DECnet)
+ */
+union etheraddress {
+ __u8 dne_addr[6]; /* Full ethernet address */
+ struct {
+ __u8 dne_hiord[4]; /* DECnet HIORD prefix */
+ __u8 dne_nodeaddr[2]; /* DECnet node address */
+ } dne_remote;
+};
+
+
+/*
+ * DECnet physical socket address format
+ */
+struct dn_addr {
+ __le16 dna_family; /* AF_DECnet */
+ union etheraddress dna_netaddr; /* DECnet ethernet address */
+};
+
+#define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
+
+#define SIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
+#define SIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
+#define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
+#define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
+
+#endif /* _LINUX_DN_H */