Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef _LINUX_DN_H
2#define _LINUX_DN_H
3
4/*
5
6 DECnet Data Structures and Constants
7
8*/
9
10/*
11 * DNPROTO_NSP can't be the same as SOL_SOCKET,
12 * so increment each by one (compared to ULTRIX)
13 */
14#define DNPROTO_NSP 2 /* NSP protocol number */
15#define DNPROTO_ROU 3 /* Routing protocol number */
16#define DNPROTO_NML 4 /* Net mgt protocol number */
17#define DNPROTO_EVL 5 /* Evl protocol number (usr) */
18#define DNPROTO_EVR 6 /* Evl protocol number (evl) */
19#define DNPROTO_NSPT 7 /* NSP trace protocol number */
20
21
22#define DN_ADDL 2
23#define DN_MAXADDL 2 /* ULTRIX headers have 20 here, but pathworks has 2 */
24#define DN_MAXOPTL 16
25#define DN_MAXOBJL 16
26#define DN_MAXACCL 40
27#define DN_MAXALIASL 128
28#define DN_MAXNODEL 256
29#define DNBUFSIZE 65023
30
31/*
32 * SET/GET Socket options - must match the DSO_ numbers below
33 */
34#define SO_CONDATA 1
35#define SO_CONACCESS 2
36#define SO_PROXYUSR 3
37#define SO_LINKINFO 7
38
39#define DSO_CONDATA 1 /* Set/Get connect data */
40#define DSO_DISDATA 10 /* Set/Get disconnect data */
41#define DSO_CONACCESS 2 /* Set/Get connect access data */
42#define DSO_ACCEPTMODE 4 /* Set/Get accept mode */
43#define DSO_CONACCEPT 5 /* Accept deferred connection */
44#define DSO_CONREJECT 6 /* Reject deferred connection */
45#define DSO_LINKINFO 7 /* Set/Get link information */
46#define DSO_STREAM 8 /* Set socket type to stream */
47#define DSO_SEQPACKET 9 /* Set socket type to sequenced packet */
48#define DSO_MAXWINDOW 11 /* Maximum window size allowed */
49#define DSO_NODELAY 12 /* Turn off nagle */
50#define DSO_CORK 13 /* Wait for more data! */
51#define DSO_SERVICES 14 /* NSP Services field */
52#define DSO_INFO 15 /* NSP Info field */
53#define DSO_MAX 15 /* Maximum option number */
54
55
56/* LINK States */
57#define LL_INACTIVE 0
58#define LL_CONNECTING 1
59#define LL_RUNNING 2
60#define LL_DISCONNECTING 3
61
62#define ACC_IMMED 0
63#define ACC_DEFER 1
64
65#define SDF_WILD 1 /* Wild card object */
66#define SDF_PROXY 2 /* Addr eligible for proxy */
67#define SDF_UICPROXY 4 /* Use uic-based proxy */
68
69/* Structures */
70
71
72struct dn_naddr
73{
74 unsigned short a_len;
75 unsigned char a_addr[DN_MAXADDL];
76};
77
78struct sockaddr_dn
79{
80 unsigned short sdn_family;
81 unsigned char sdn_flags;
82 unsigned char sdn_objnum;
83 unsigned short sdn_objnamel;
84 unsigned char sdn_objname[DN_MAXOBJL];
85 struct dn_naddr sdn_add;
86};
87#define sdn_nodeaddrl sdn_add.a_len /* Node address length */
88#define sdn_nodeaddr sdn_add.a_addr /* Node address */
89
90
91
92/*
93 * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
94 */
95struct optdata_dn {
96 unsigned short opt_status; /* Extended status return */
97#define opt_sts opt_status
98 unsigned short opt_optl; /* Length of user data */
99 unsigned char opt_data[16]; /* User data */
100};
101
102struct accessdata_dn
103{
104 unsigned char acc_accl;
105 unsigned char acc_acc[DN_MAXACCL];
106 unsigned char acc_passl;
107 unsigned char acc_pass[DN_MAXACCL];
108 unsigned char acc_userl;
109 unsigned char acc_user[DN_MAXACCL];
110};
111
112/*
113 * DECnet logical link information structure
114 */
115struct linkinfo_dn {
116 unsigned short idn_segsize; /* Segment size for link */
117 unsigned char idn_linkstate; /* Logical link state */
118};
119
120/*
121 * Ethernet address format (for DECnet)
122 */
123union etheraddress {
124 unsigned char dne_addr[6]; /* Full ethernet address */
125 struct {
126 unsigned char dne_hiord[4]; /* DECnet HIORD prefix */
127 unsigned char dne_nodeaddr[2]; /* DECnet node address */
128 } dne_remote;
129};
130
131
132/*
133 * DECnet physical socket address format
134 */
135struct dn_addr {
136 unsigned short dna_family; /* AF_DECnet */
137 union etheraddress dna_netaddr; /* DECnet ethernet address */
138};
139
140#define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
141
142#define SIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
143#define SIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
144#define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
145#define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
146
147#endif /* _LINUX_DN_H */