150 lines
4.5 KiB
C
150 lines
4.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_DN_H
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#define _LINUX_DN_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#include <linux/if_ether.h>
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/*
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DECnet Data Structures and Constants
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*/
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/*
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* DNPROTO_NSP can't be the same as SOL_SOCKET,
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* so increment each by one (compared to ULTRIX)
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*/
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#define DNPROTO_NSP 2 /* NSP protocol number */
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#define DNPROTO_ROU 3 /* Routing protocol number */
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#define DNPROTO_NML 4 /* Net mgt protocol number */
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#define DNPROTO_EVL 5 /* Evl protocol number (usr) */
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#define DNPROTO_EVR 6 /* Evl protocol number (evl) */
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#define DNPROTO_NSPT 7 /* NSP trace protocol number */
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#define DN_ADDL 2
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#define DN_MAXADDL 2 /* ULTRIX headers have 20 here, but pathworks has 2 */
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#define DN_MAXOPTL 16
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#define DN_MAXOBJL 16
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#define DN_MAXACCL 40
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#define DN_MAXALIASL 128
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#define DN_MAXNODEL 256
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#define DNBUFSIZE 65023
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/*
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* SET/GET Socket options - must match the DSO_ numbers below
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*/
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#define SO_CONDATA 1
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#define SO_CONACCESS 2
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#define SO_PROXYUSR 3
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#define SO_LINKINFO 7
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#define DSO_CONDATA 1 /* Set/Get connect data */
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#define DSO_DISDATA 10 /* Set/Get disconnect data */
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#define DSO_CONACCESS 2 /* Set/Get connect access data */
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#define DSO_ACCEPTMODE 4 /* Set/Get accept mode */
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#define DSO_CONACCEPT 5 /* Accept deferred connection */
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#define DSO_CONREJECT 6 /* Reject deferred connection */
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#define DSO_LINKINFO 7 /* Set/Get link information */
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#define DSO_STREAM 8 /* Set socket type to stream */
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#define DSO_SEQPACKET 9 /* Set socket type to sequenced packet */
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#define DSO_MAXWINDOW 11 /* Maximum window size allowed */
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#define DSO_NODELAY 12 /* Turn off nagle */
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#define DSO_CORK 13 /* Wait for more data! */
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#define DSO_SERVICES 14 /* NSP Services field */
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#define DSO_INFO 15 /* NSP Info field */
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#define DSO_MAX 15 /* Maximum option number */
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/* LINK States */
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#define LL_INACTIVE 0
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#define LL_CONNECTING 1
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#define LL_RUNNING 2
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#define LL_DISCONNECTING 3
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#define ACC_IMMED 0
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#define ACC_DEFER 1
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#define SDF_WILD 1 /* Wild card object */
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#define SDF_PROXY 2 /* Addr eligible for proxy */
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#define SDF_UICPROXY 4 /* Use uic-based proxy */
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/* Structures */
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struct dn_naddr {
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__le16 a_len;
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__u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
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};
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struct sockaddr_dn {
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__u16 sdn_family;
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__u8 sdn_flags;
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__u8 sdn_objnum;
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__le16 sdn_objnamel;
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__u8 sdn_objname[DN_MAXOBJL];
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struct dn_naddr sdn_add;
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};
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#define sdn_nodeaddrl sdn_add.a_len /* Node address length */
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#define sdn_nodeaddr sdn_add.a_addr /* Node address */
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/*
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* DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
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*/
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struct optdata_dn {
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__le16 opt_status; /* Extended status return */
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#define opt_sts opt_status
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__le16 opt_optl; /* Length of user data */
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__u8 opt_data[16]; /* User data */
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};
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struct accessdata_dn {
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__u8 acc_accl;
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__u8 acc_acc[DN_MAXACCL];
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__u8 acc_passl;
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__u8 acc_pass[DN_MAXACCL];
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__u8 acc_userl;
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__u8 acc_user[DN_MAXACCL];
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};
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/*
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* DECnet logical link information structure
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*/
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struct linkinfo_dn {
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__u16 idn_segsize; /* Segment size for link */
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__u8 idn_linkstate; /* Logical link state */
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};
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/*
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* Ethernet address format (for DECnet)
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*/
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union etheraddress {
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__u8 dne_addr[ETH_ALEN]; /* Full ethernet address */
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struct {
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__u8 dne_hiord[4]; /* DECnet HIORD prefix */
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__u8 dne_nodeaddr[2]; /* DECnet node address */
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} dne_remote;
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};
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/*
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* DECnet physical socket address format
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*/
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struct dn_addr {
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__le16 dna_family; /* AF_DECnet */
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union etheraddress dna_netaddr; /* DECnet ethernet address */
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};
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#define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
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#define SIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
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#define SIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
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#define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
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#define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
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#endif /* _LINUX_DN_H */
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