#ifndef _LINUX_DN_H#define _LINUX_DN_H #include <linux/ioctl.h>#include <linux/types.h>#include <linux/if_ether.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[ETH_ALEN];      /* 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 */