unisap.h revision 131826 
1/*
2 * Copyright (c) 2001-2003
3 *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4 * 	All rights reserved.
5 *
6 * Author: Hartmut Brandt <harti@freebsd.org>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $Begemot: libunimsg/netnatm/api/unisap.h,v 1.5 2004/07/08 08:22:01 brandt Exp $
30 * $FreeBSD: vendor-sys/ngatm/dist/sys/contrib/ngatm/netnatm/api/unisap.h 131826 2004-07-08 16:39:03Z harti $
31 */
32#ifndef _NETNATM_API_UNISAP_H_
33#define _NETNATM_API_UNISAP_H_
34
35#include <netnatm/msg/uni_config.h>
36
37enum unisve_tag {
38	UNISVE_ABSENT,		/* Element is absent */
39	UNISVE_PRESENT,		/* Element is present with specific value */
40	UNISVE_ANY		/* Any values is acceptable */
41};
42
43struct unisve_addr {
44	enum unisve_tag		tag;
45	enum uni_addr_type	type;	/* type of address */
46	enum uni_addr_plan	plan;	/* addressing plan */
47	uint32_t		len;	/* length of address */
48	u_char			addr[UNI_ADDR_MAXLEN];
49};
50
51struct unisve_selector {
52	enum unisve_tag	tag;
53	uint8_t		selector;
54};
55
56struct unisve_blli_id2 {
57	enum unisve_tag	tag;
58	u_int		proto:5;	/* the protocol */
59	u_int		user:7;		/* user specific protocol */
60};
61
62struct unisve_blli_id3 {
63	enum unisve_tag	tag;
64	u_int		proto:5;	/* L3 protocol */
65	u_int		user:7;		/* user specific protocol */
66	u_int		ipi:8;		/* ISO/IEC TR 9557 IPI */
67	u_int		oui:24;		/* IEEE 802.1 OUI */
68	u_int		pid:16;		/* IEEE 802.1 PID */
69	uint32_t	noipi;		/* ISO/IEC TR 9557 per frame */
70};
71
72struct unisve_bhli {
73	enum unisve_tag	tag;
74	enum uni_bhli	type;		/* type of info */
75	uint32_t	len;		/* length of info */
76	uint8_t		info[8];	/* info itself */
77};
78
79struct uni_sap {
80	struct unisve_addr	addr;
81	struct unisve_selector	selector;
82	struct unisve_blli_id2	blli_id2;
83	struct unisve_blli_id3	blli_id3;
84	struct unisve_bhli	bhli;
85};
86
87int unisve_check_addr(const struct unisve_addr *);
88int unisve_check_selector(const struct unisve_selector *);
89int unisve_check_blli_id2(const struct unisve_blli_id2 *);
90int unisve_check_blli_id3(const struct unisve_blli_id3 *);
91int unisve_check_bhli(const struct unisve_bhli *);
92
93int unisve_check_sap(const struct uni_sap *);
94
95int unisve_overlap_addr(const struct unisve_addr *, const struct unisve_addr *);
96int unisve_overlap_selector(const struct unisve_selector *,
97    const struct unisve_selector *);
98int unisve_overlap_blli_id2(const struct unisve_blli_id2 *,
99    const struct unisve_blli_id2 *);
100int unisve_overlap_blli_id3(const struct unisve_blli_id3 *,
101    const struct unisve_blli_id3 *);
102int unisve_overlap_bhli(const struct unisve_bhli *,
103    const struct unisve_bhli *);
104int unisve_overlap_sap(const struct uni_sap *, const struct uni_sap *);
105
106int unisve_is_catchall(const struct uni_sap *);
107int unisve_match(const struct uni_sap *, const struct uni_ie_called *,
108	const struct uni_ie_blli *, const struct uni_ie_bhli *);
109
110enum {
111	UNISVE_OK = 0,
112	UNISVE_ERROR_BAD_TAG,
113	UNISVE_ERROR_TYPE_PLAN_CONFLICT,
114	UNISVE_ERROR_ADDR_SEL_CONFLICT,
115	UNISVE_ERROR_ADDR_LEN,
116	UNISVE_ERROR_BAD_ADDR_TYPE,
117	UNISVE_ERROR_BAD_BHLI_TYPE,
118	UNISVE_ERROR_BAD_BHLI_LEN,
119};
120
121#define UNISVE_ERRSTR					\
122	"no error",					\
123	"bad SVE tag",					\
124	"bad address type/plan combination",		\
125	"bad address plan/selector tag combination",	\
126	"bad address length in SVE",			\
127	"unknown address type in SVE",			\
128	"bad BHLI type in SVE",				\
129	"BHLI info too long in SVE",
130
131#endif
132