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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*-
23: * Copyright (c) 1991, 1993
24: * The Regents of the University of California. All rights reserved.
25: *
26: * Redistribution and use in source and binary forms, with or without
27: * modification, are permitted provided that the following conditions
28: * are met:
29: * 1. Redistributions of source code must retain the above copyright
30: * notice, this list of conditions and the following disclaimer.
31: * 2. Redistributions in binary form must reproduce the above copyright
32: * notice, this list of conditions and the following disclaimer in the
33: * documentation and/or other materials provided with the distribution.
34: * 3. All advertising materials mentioning features or use of this software
35: * must display the following acknowledgement:
36: * This product includes software developed by the University of
37: * California, Berkeley and its contributors.
38: * 4. Neither the name of the University nor the names of its contributors
39: * may be used to endorse or promote products derived from this software
40: * without specific prior written permission.
41: *
42: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52: * SUCH DAMAGE.
53: *
54: * @(#)eonvar.h 8.1 (Berkeley) 6/10/93
55: */
56:
57: /***********************************************************
58: Copyright IBM Corporation 1987
59:
60: All Rights Reserved
61:
62: Permission to use, copy, modify, and distribute this software and its
63: documentation for any purpose and without fee is hereby granted,
64: provided that the above copyright notice appear in all copies and that
65: both that copyright notice and this permission notice appear in
66: supporting documentation, and that the name of IBM not be
67: used in advertising or publicity pertaining to distribution of the
68: software without specific, written prior permission.
69:
70: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
71: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
72: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
73: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
74: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
75: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
76: SOFTWARE.
77:
78: ******************************************************************/
79:
80: /*
81: * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
82: */
83:
84: #define EON_986_VERSION 0x3
85: #define EON_VERSION 0x1
86:
87: #define EON_CACHESIZE 30
88:
89: #define E_FREE 1
90: #define E_LINK 2
91: #define E_ES 3
92: #define E_IS 4
93:
94:
95: /*
96: * this overlays a sockaddr_iso
97: */
98:
99: struct sockaddr_eon {
100: u_char seon_len; /* Length */
101: u_char seon_family; /* AF_ISO */
102: u_char seon_status; /* overlays session suffixlen */
103: #define EON_ESLINK_UP 0x1
104: #define EON_ESLINK_DOWN 0x2
105: #define EON_ISLINK_UP 0x10
106: #define EON_ISLINK_DOWN 0x20
107: /* no change is neither up or down */
108: u_char seon_pad1; /* 0, overlays tsfxlen */
109: u_char seon_adrlen;
110: u_char seon_afi; /* 47 */
111: u_char seon_idi[2]; /* 0006 */
112: u_char seon_vers; /* 03 */
113: u_char seon_glbnum[2]; /* see RFC 1069 */
114: u_char seon_RDN[2]; /* see RFC 1070 */
115: u_char seon_pad2[3]; /* see RFC 1070 */
116: u_char seon_LAREA[2]; /* see RFC 1070 */
117: u_char seon_pad3[2]; /* see RFC 1070 */
118: /* right now ip addr is aligned -- be careful --
119: * future revisions may have it u_char[4]
120: */
121: u_int seon_ipaddr; /* a.b.c.d */
122: u_char seon_protoid; /* NSEL */
123: };
124:
125: #ifdef EON_TEMPLATE
126: struct sockaddr_eon eon_template = {
127: sizeof (eon_template), AF_ISO, 0, 0, 0x14,
128: 0x47, 0x0, 0x6, 0x3, 0
129: };
130: #endif
131:
132: #define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN )
133: #define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP )
134:
135: #define SIOCSEONCORE _IOWR('i',10, struct iso_ifreq) /* EON core member */
136: #define SIOCGEONCORE _IOWR('i',11, struct iso_ifreq) /* EON core member */
137:
138: struct eon_hdr {
139: u_char eonh_vers; /* value 1 */
140: u_char eonh_class; /* address multicast class, below */
141: #define EON_NORMAL_ADDR 0x0
142: #define EON_MULTICAST_ES 0x1
143: #define EON_MULTICAST_IS 0x2
144: #define EON_BROADCAST 0x3
145: u_short eonh_csum; /* osi checksum (choke)*/
146: };
147: struct eon_iphdr {
148: struct ip ei_ip;
149: struct eon_hdr ei_eh;
150: };
151: #define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip))
152:
153: /* stole these 2 fields of the flags for I-am-ES and I-am-IS */
154: #define IFF_ES 0x400
155: #define IFF_IS 0x800
156:
157: struct eon_stat {
158: int es_in_multi_es;
159: int es_in_multi_is;
160: int es_in_broad;
161: int es_in_normal;
162: int es_out_multi_es;
163: int es_out_multi_is;
164: int es_out_broad;
165: int es_out_normal;
166: int es_ipout;
167:
168: int es_icmp[PRC_NCMDS];
169: /* errors */
170: int es_badcsum;
171: int es_badhdr;
172: } eonstat;
173:
174: #undef IncStat
175: #define IncStat(xxx) eonstat.xxx++
176:
177: typedef struct qhdr {
178: struct qhdr *link, *rlink;
179: } *queue_t;
180:
181: struct eon_llinfo {
182: struct qhdr el_qhdr; /* keep all in a list */
183: int el_flags; /* cache valid ? */
184: int el_snpaoffset; /* IP address contained in dst nsap */
185: struct rtentry *el_rt; /* back pointer to parent route */
186: struct eon_iphdr el_ei; /* precomputed portion of hdr */
187: struct route el_iproute; /* if direct route cache IP info */
188: /* if gateway, cache secondary route */
189: };
190: #define el_iphdr el_ei.ei_ip
191: #define el_eonhdr el_ei.ei_eh
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