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1.1 root 1: /*-
2: * Copyright (c) 1991 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)eonvar.h 7.5 (Berkeley) 5/6/91
34: */
35:
36: /***********************************************************
37: Copyright IBM Corporation 1987
38:
39: All Rights Reserved
40:
41: Permission to use, copy, modify, and distribute this software and its
42: documentation for any purpose and without fee is hereby granted,
43: provided that the above copyright notice appear in all copies and that
44: both that copyright notice and this permission notice appear in
45: supporting documentation, and that the name of IBM not be
46: used in advertising or publicity pertaining to distribution of the
47: software without specific, written prior permission.
48:
49: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
50: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
51: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
52: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
53: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
54: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
55: SOFTWARE.
56:
57: ******************************************************************/
58:
59: /*
60: * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
61: */
62:
63: #define EON_986_VERSION 0x3
64: #define EON_VERSION 0x1
65:
66: #define EON_CACHESIZE 30
67:
68: #define E_FREE 1
69: #define E_LINK 2
70: #define E_ES 3
71: #define E_IS 4
72:
73:
74: /*
75: * this overlays a sockaddr_iso
76: */
77:
78: struct sockaddr_eon {
79: u_char seon_len; /* Length */
80: u_char seon_family; /* AF_ISO */
81: u_char seon_status; /* overlays session suffixlen */
82: #define EON_ESLINK_UP 0x1
83: #define EON_ESLINK_DOWN 0x2
84: #define EON_ISLINK_UP 0x10
85: #define EON_ISLINK_DOWN 0x20
86: /* no change is neither up or down */
87: u_char seon_pad1; /* 0, overlays tsfxlen */
88: u_char seon_adrlen;
89: u_char seon_afi; /* 47 */
90: u_char seon_idi[2]; /* 0006 */
91: u_char seon_vers; /* 03 */
92: u_char seon_glbnum[2]; /* see RFC 1069 */
93: u_char seon_RDN[2]; /* see RFC 1070 */
94: u_char seon_pad2[3]; /* see RFC 1070 */
95: u_char seon_LAREA[2]; /* see RFC 1070 */
96: u_char seon_pad3[2]; /* see RFC 1070 */
97: /* right now ip addr is aligned -- be careful --
98: * future revisions may have it u_char[4]
99: */
100: u_int seon_ipaddr; /* a.b.c.d */
101: u_char seon_protoid; /* NSEL */
102: };
103:
104: #ifdef EON_TEMPLATE
105: struct sockaddr_eon eon_template = {
106: sizeof (eon_template), AF_ISO, 0, 0, 0x14,
107: 0x47, 0x0, 0x6, 0x3, 0
108: };
109: #endif
110:
111: #define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN )
112: #define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP )
113:
114: #define SIOCSEONCORE _IOWR('i',10, struct iso_ifreq) /* EON core member */
115: #define SIOCGEONCORE _IOWR('i',11, struct iso_ifreq) /* EON core member */
116:
117: struct eon_hdr {
118: u_char eonh_vers; /* value 1 */
119: u_char eonh_class; /* address multicast class, below */
120: #define EON_NORMAL_ADDR 0x0
121: #define EON_MULTICAST_ES 0x1
122: #define EON_MULTICAST_IS 0x2
123: #define EON_BROADCAST 0x3
124: u_short eonh_csum; /* osi checksum (choke)*/
125: };
126: struct eon_iphdr {
127: struct ip ei_ip;
128: struct eon_hdr ei_eh;
129: };
130: #define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip))
131:
132: /* stole these 2 fields of the flags for I-am-ES and I-am-IS */
133: #define IFF_ES 0x400
134: #define IFF_IS 0x800
135:
136: struct eon_stat {
137: int es_in_multi_es;
138: int es_in_multi_is;
139: int es_in_broad;
140: int es_in_normal;
141: int es_out_multi_es;
142: int es_out_multi_is;
143: int es_out_broad;
144: int es_out_normal;
145: int es_ipout;
146:
147: int es_icmp[PRC_NCMDS];
148: /* errors */
149: int es_badcsum;
150: int es_badhdr;
151: } eonstat;
152:
153: #undef IncStat
154: #define IncStat(xxx) eonstat.xxx++
155:
156: typedef struct qhdr {
157: struct qhdr *link, *rlink;
158: } *queue_t;
159:
160: struct eon_llinfo {
161: struct qhdr el_qhdr; /* keep all in a list */
162: int el_flags; /* cache valid ? */
163: int el_snpaoffset; /* IP address contained in dst nsap */
164: struct rtentry *el_rt; /* back pointer to parent route */
165: struct eon_iphdr el_ei; /* precomputed portion of hdr */
166: struct route el_iproute; /* if direct route cache IP info */
167: /* if gateway, cache secondary route */
168: };
169: #define el_iphdr el_ei.ei_ip
170: #define el_eonhdr el_ei.ei_eh
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