/usr/include/linux/dn.h is in linux-libc-dev 4.15.0-20.21.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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 */
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