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 1.6 2005/05/23 11:49:17 brandt_h Exp $
30 */
31#ifndef _NETNATM_API_UNISAP_H_
32#define _NETNATM_API_UNISAP_H_
33
34#include <netnatm/msg/uni_config.h>
35
36enum unisve_tag {
37	UNISVE_ABSENT,		/* Element is absent */
38	UNISVE_PRESENT,		/* Element is present with specific value */
39	UNISVE_ANY		/* Any values is acceptable */
40};
41
42struct unisve_addr {
43	enum unisve_tag		tag;
44	enum uni_addr_type	type;	/* type of address */
45	enum uni_addr_plan	plan;	/* addressing plan */
46	uint32_t		len;	/* length of address */
47	u_char			addr[UNI_ADDR_MAXLEN];
48};
49
50struct unisve_selector {
51	enum unisve_tag	tag;
52	uint8_t		selector;
53};
54
55struct unisve_blli_id2 {
56	enum unisve_tag	tag;
57	u_int		proto:5;	/* the protocol */
58	u_int		user:7;		/* user specific protocol */
59};
60
61struct unisve_blli_id3 {
62	enum unisve_tag	tag;
63	u_int		proto:5;	/* L3 protocol */
64	u_int		user:7;		/* user specific protocol */
65	u_int		ipi:8;		/* ISO/IEC TR 9557 IPI */
66	u_int		oui:24;		/* IEEE 802.1 OUI */
67	u_int		pid:16;		/* IEEE 802.1 PID */
68	uint32_t	noipi;		/* ISO/IEC TR 9557 per frame */
69};
70
71struct unisve_bhli {
72	enum unisve_tag	tag;
73	enum uni_bhli	type;		/* type of info */
74	uint32_t	len;		/* length of info */
75	uint8_t		info[8];	/* info itself */
76};
77
78struct uni_sap {
79	struct unisve_addr	addr;
80	struct unisve_selector	selector;
81	struct unisve_blli_id2	blli_id2;
82	struct unisve_blli_id3	blli_id3;
83	struct unisve_bhli	bhli;
84};
85
86int unisve_check_addr(const struct unisve_addr *);
87int unisve_check_selector(const struct unisve_selector *);
88int unisve_check_blli_id2(const struct unisve_blli_id2 *);
89int unisve_check_blli_id3(const struct unisve_blli_id3 *);
90int unisve_check_bhli(const struct unisve_bhli *);
91
92int unisve_check_sap(const struct uni_sap *);
93
94int unisve_overlap_addr(const struct unisve_addr *, const struct unisve_addr *);
95int unisve_overlap_selector(const struct unisve_selector *,
96    const struct unisve_selector *);
97int unisve_overlap_blli_id2(const struct unisve_blli_id2 *,
98    const struct unisve_blli_id2 *);
99int unisve_overlap_blli_id3(const struct unisve_blli_id3 *,
100    const struct unisve_blli_id3 *);
101int unisve_overlap_bhli(const struct unisve_bhli *,
102    const struct unisve_bhli *);
103int unisve_overlap_sap(const struct uni_sap *, const struct uni_sap *);
104
105int unisve_is_catchall(const struct uni_sap *);
106int unisve_match(const struct uni_sap *, const struct uni_ie_called *,
107	const struct uni_ie_blli *, const struct uni_ie_bhli *);
108
109enum {
110	UNISVE_OK = 0,
111	UNISVE_ERROR_BAD_TAG,
112	UNISVE_ERROR_TYPE_PLAN_CONFLICT,
113	UNISVE_ERROR_ADDR_SEL_CONFLICT,
114	UNISVE_ERROR_ADDR_LEN,
115	UNISVE_ERROR_BAD_ADDR_TYPE,
116	UNISVE_ERROR_BAD_BHLI_TYPE,
117	UNISVE_ERROR_BAD_BHLI_LEN,
118};
119
120#define UNISVE_ERRSTR					\
121	"no error",					\
122	"bad SVE tag",					\
123	"bad address type/plan combination",		\
124	"bad address plan/selector tag combination",	\
125	"bad address length in SVE",			\
126	"unknown address type in SVE",			\
127	"bad BHLI type in SVE",				\
128	"BHLI info too long in SVE",
129
130#endif
131