File: /usr/src/linux/include/linux/dn.h
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
72 struct dn_naddr
73 {
74 unsigned short a_len;
75 unsigned char a_addr[DN_MAXADDL];
76 };
77
78 struct 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 */
95 struct 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
102 struct 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 */
115 struct 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 */
123 union 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 */
135 struct 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 */
148