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1 #ifndef _LINUX_DN_H
2 #define _LINUX_DN_H
3 
4 #include <linux/ioctl.h>
5 #include <linux/types.h>
6 #include <linux/if_ether.h>
7 
8 /*
9 
10 	DECnet Data Structures and Constants
11 
12 */
13 
14 /*
15  * DNPROTO_NSP can't be the same as SOL_SOCKET,
16  * so increment each by one (compared to ULTRIX)
17  */
18 #define DNPROTO_NSP     2                       /* NSP protocol number       */
19 #define DNPROTO_ROU     3                       /* Routing protocol number   */
20 #define DNPROTO_NML     4                       /* Net mgt protocol number   */
21 #define DNPROTO_EVL     5                       /* Evl protocol number (usr) */
22 #define DNPROTO_EVR     6                       /* Evl protocol number (evl) */
23 #define DNPROTO_NSPT    7                       /* NSP trace protocol number */
24 
25 
26 #define DN_ADDL		2
27 #define DN_MAXADDL	2 /* ULTRIX headers have 20 here, but pathworks has 2 */
28 #define DN_MAXOPTL	16
29 #define DN_MAXOBJL	16
30 #define DN_MAXACCL	40
31 #define DN_MAXALIASL	128
32 #define DN_MAXNODEL	256
33 #define DNBUFSIZE	65023
34 
35 /*
36  * SET/GET Socket options  - must match the DSO_ numbers below
37  */
38 #define SO_CONDATA      1
39 #define SO_CONACCESS    2
40 #define SO_PROXYUSR     3
41 #define SO_LINKINFO     7
42 
43 #define DSO_CONDATA     1        /* Set/Get connect data                */
44 #define DSO_DISDATA     10       /* Set/Get disconnect data             */
45 #define DSO_CONACCESS   2        /* Set/Get connect access data         */
46 #define DSO_ACCEPTMODE  4        /* Set/Get accept mode                 */
47 #define DSO_CONACCEPT   5        /* Accept deferred connection          */
48 #define DSO_CONREJECT   6        /* Reject deferred connection          */
49 #define DSO_LINKINFO    7        /* Set/Get link information            */
50 #define DSO_STREAM      8        /* Set socket type to stream           */
51 #define DSO_SEQPACKET   9        /* Set socket type to sequenced packet */
52 #define DSO_MAXWINDOW   11       /* Maximum window size allowed         */
53 #define DSO_NODELAY	12       /* Turn off nagle                      */
54 #define DSO_CORK        13       /* Wait for more data!                 */
55 #define DSO_SERVICES	14       /* NSP Services field                  */
56 #define DSO_INFO	15       /* NSP Info field                      */
57 #define DSO_MAX         15       /* Maximum option number               */
58 
59 
60 /* LINK States */
61 #define LL_INACTIVE	0
62 #define LL_CONNECTING	1
63 #define LL_RUNNING	2
64 #define LL_DISCONNECTING 3
65 
66 #define ACC_IMMED 0
67 #define ACC_DEFER 1
68 
69 #define SDF_WILD        1                  /* Wild card object          */
70 #define SDF_PROXY       2                  /* Addr eligible for proxy   */
71 #define SDF_UICPROXY    4                  /* Use uic-based proxy       */
72 
73 /* Structures */
74 
75 
76 struct dn_naddr {
77 	__le16		a_len;
78 	__u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
79 };
80 
81 struct sockaddr_dn {
82 	__u16		sdn_family;
83 	__u8		sdn_flags;
84 	__u8		sdn_objnum;
85 	__le16		sdn_objnamel;
86 	__u8		sdn_objname[DN_MAXOBJL];
87 	struct   dn_naddr	sdn_add;
88 };
89 #define sdn_nodeaddrl   sdn_add.a_len   /* Node address length  */
90 #define sdn_nodeaddr    sdn_add.a_addr  /* Node address         */
91 
92 
93 
94 /*
95  * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
96  */
97 struct optdata_dn {
98         __le16  opt_status;     /* Extended status return */
99 #define opt_sts opt_status
100         __le16  opt_optl;       /* Length of user data    */
101         __u8   opt_data[16];   /* User data              */
102 };
103 
104 struct accessdata_dn {
105 	__u8		acc_accl;
106 	__u8		acc_acc[DN_MAXACCL];
107 	__u8 		acc_passl;
108 	__u8		acc_pass[DN_MAXACCL];
109 	__u8 		acc_userl;
110 	__u8		acc_user[DN_MAXACCL];
111 };
112 
113 /*
114  * DECnet logical link information structure
115  */
116 struct linkinfo_dn {
117         __u16  idn_segsize;    /* Segment size for link */
118         __u8   idn_linkstate;  /* Logical link state    */
119 };
120 
121 /*
122  * Ethernet address format (for DECnet)
123  */
124 union etheraddress {
125         __u8 dne_addr[ETH_ALEN];      /* Full ethernet address */
126   struct {
127                 __u8 dne_hiord[4];    /* DECnet HIORD prefix   */
128                 __u8 dne_nodeaddr[2]; /* DECnet node address   */
129   } dne_remote;
130 };
131 
132 
133 /*
134  * DECnet physical socket address format
135  */
136 struct dn_addr {
137         __le16 dna_family;      /* AF_DECnet               */
138         union etheraddress dna_netaddr; /* DECnet ethernet address */
139 };
140 
141 #define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */
142 
143 #define SIOCSNETADDR  _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr)
144 #define SIOCGNETADDR  _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr)
145 #define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int)
146 #define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int)
147 
148 #endif /* _LINUX_DN_H */
149