1 #ifndef _LINUX_DN_H
2 #define _LINUX_DN_H
3 
4 #include <linux/types.h>
5 
6 /*
7 
8 	DECnet Data Structures and Constants
9 
10 */
11 
12 /*
13  * DNPROTO_NSP can't be the same as SOL_SOCKET,
14  * so increment each by one (compared to ULTRIX)
15  */
16 #define DNPROTO_NSP     2                       /* NSP protocol number       */
17 #define DNPROTO_ROU     3                       /* Routing protocol number   */
18 #define DNPROTO_NML     4                       /* Net mgt protocol number   */
19 #define DNPROTO_EVL     5                       /* Evl protocol number (usr) */
20 #define DNPROTO_EVR     6                       /* Evl protocol number (evl) */
21 #define DNPROTO_NSPT    7                       /* NSP trace protocol number */
22 
23 
24 #define DN_ADDL		2
25 #define DN_MAXADDL	2 /* ULTRIX headers have 20 here, but pathworks has 2 */
26 #define DN_MAXOPTL	16
27 #define DN_MAXOBJL	16
28 #define DN_MAXACCL	40
29 #define DN_MAXALIASL	128
30 #define DN_MAXNODEL	256
31 #define DNBUFSIZE	65023
32 
33 /*
34  * SET/GET Socket options  - must match the DSO_ numbers below
35  */
36 #define SO_CONDATA      1
37 #define SO_CONACCESS    2
38 #define SO_PROXYUSR     3
39 #define SO_LINKINFO     7
40 
41 #define DSO_CONDATA     1        /* Set/Get connect data                */
42 #define DSO_DISDATA     10       /* Set/Get disconnect data             */
43 #define DSO_CONACCESS   2        /* Set/Get connect access data         */
44 #define DSO_ACCEPTMODE  4        /* Set/Get accept mode                 */
45 #define DSO_CONACCEPT   5        /* Accept deferred connection          */
46 #define DSO_CONREJECT   6        /* Reject deferred connection          */
47 #define DSO_LINKINFO    7        /* Set/Get link information            */
48 #define DSO_STREAM      8        /* Set socket type to stream           */
49 #define DSO_SEQPACKET   9        /* Set socket type to sequenced packet */
50 #define DSO_MAXWINDOW   11       /* Maximum window size allowed         */
51 #define DSO_NODELAY	12       /* Turn off nagle                      */
52 #define DSO_CORK        13       /* Wait for more data!                 */
53 #define DSO_SERVICES	14       /* NSP Services field                  */
54 #define DSO_INFO	15       /* NSP Info field                      */
55 #define DSO_MAX         15       /* Maximum option number               */
56 
57 
58 /* LINK States */
59 #define LL_INACTIVE	0
60 #define LL_CONNECTING	1
61 #define LL_RUNNING	2
62 #define LL_DISCONNECTING 3
63 
64 #define ACC_IMMED 0
65 #define ACC_DEFER 1
66 
67 #define SDF_WILD        1                  /* Wild card object          */
68 #define SDF_PROXY       2                  /* Addr eligible for proxy   */
69 #define SDF_UICPROXY    4                  /* Use uic-based proxy       */
70 
71 /* Structures */
72 
73 
74 struct dn_naddr {
75 	__le16		a_len;
76 	__u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
77 };
78 
79 struct sockaddr_dn {
80 	__u16		sdn_family;
81 	__u8		sdn_flags;
82 	__u8		sdn_objnum;
83 	__le16		sdn_objnamel;
84 	__u8		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         __le16  opt_status;     /* Extended status return */
97 #define opt_sts opt_status
98         __le16  opt_optl;       /* Length of user data    */
99         __u8   opt_data[16];   /* User data              */
100 };
101 
102 struct accessdata_dn {
103 	__u8		acc_accl;
104 	__u8		acc_acc[DN_MAXACCL];
105 	__u8 		acc_passl;
106 	__u8		acc_pass[DN_MAXACCL];
107 	__u8 		acc_userl;
108 	__u8		acc_user[DN_MAXACCL];
109 };
110 
111 /*
112  * DECnet logical link information structure
113  */
114 struct linkinfo_dn {
115         __u16  idn_segsize;    /* Segment size for link */
116         __u8   idn_linkstate;  /* Logical link state    */
117 };
118 
119 /*
120  * Ethernet address format (for DECnet)
121  */
122 union etheraddress {
123         __u8 dne_addr[6];             /* Full ethernet address */
124   struct {
125                 __u8 dne_hiord[4];    /* DECnet HIORD prefix   */
126                 __u8 dne_nodeaddr[2]; /* DECnet node address   */
127   } dne_remote;
128 };
129 
130 
131 /*
132  * DECnet physical socket address format
133  */
134 struct dn_addr {
135         __le16 dna_family;      /* AF_DECnet               */
136         union etheraddress dna_netaddr; /* DECnet ethernet address */
137 };
138 
139 #define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
140 
141 #define SIOCSNETADDR  _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
142 #define SIOCGNETADDR  _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
143 #define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
144 #define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
145 
146 #endif /* _LINUX_DN_H */
147