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1 /*-
2  * Copyright (c) 2001 Atsushi Onoe
3  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * Alternatively, this software may be distributed under the terms of the
18  * GNU General Public License ("GPL") version 2 as published by the Free
19  * Software Foundation.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.10 2005/07/22 16:55:27 sam Exp $
33  */
34 #ifndef _NET80211_IEEE80211_H_
35 #define _NET80211_IEEE80211_H_
36 
37 /*
38  * 802.11 protocol definitions.
39  */
40 
41 #define	IEEE80211_FC0_VERSION_MASK		0x03
42 #define	IEEE80211_FC0_VERSION_SHIFT		0
43 #define	IEEE80211_FC0_VERSION_0			0x00
44 #define	IEEE80211_FC0_TYPE_MASK			0x0c
45 #define	IEEE80211_FC0_TYPE_SHIFT		2
46 #define	IEEE80211_FC0_TYPE_MGT			0x00
47 #define	IEEE80211_FC0_TYPE_CTL			0x04
48 #define	IEEE80211_FC0_TYPE_DATA			0x08
49 
50 #define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
51 #define	IEEE80211_FC0_SUBTYPE_SHIFT		4
52 /* for TYPE_MGT */
53 #define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00
54 #define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10
55 #define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20
56 #define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30
57 #define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40
58 #define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50
59 #define	IEEE80211_FC0_SUBTYPE_BEACON		0x80
60 #define	IEEE80211_FC0_SUBTYPE_ATIM		0x90
61 #define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0
62 #define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0
63 #define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0
64 /* for TYPE_CTL */
65 #define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0
66 #define	IEEE80211_FC0_SUBTYPE_RTS		0xb0
67 #define	IEEE80211_FC0_SUBTYPE_CTS		0xc0
68 #define	IEEE80211_FC0_SUBTYPE_ACK		0xd0
69 #define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0
70 #define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0
71 /* for TYPE_DATA (bit combination) */
72 #define	IEEE80211_FC0_SUBTYPE_DATA		0x00
73 #define	IEEE80211_FC0_SUBTYPE_CF_ACK		0x10
74 #define	IEEE80211_FC0_SUBTYPE_CF_POLL		0x20
75 #define	IEEE80211_FC0_SUBTYPE_CF_ACPL		0x30
76 #define	IEEE80211_FC0_SUBTYPE_NODATA		0x40
77 #define	IEEE80211_FC0_SUBTYPE_NODATA_CF_ACK	0x50
78 #define	IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL	0x60
79 #define	IEEE80211_FC0_SUBTYPE_NODATA_CF_ACPL	0x70
80 #define	IEEE80211_FC0_SUBTYPE_QOS		0x80
81 #define	IEEE80211_FC0_SUBTYPE_QOS_NULL		0xc0
82 
83 #define	IEEE80211_FC1_DIR_MASK			0x03
84 #define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
85 #define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
86 #define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
87 #define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */
88 
89 #define	IEEE80211_FC1_MORE_FRAG			0x04
90 #define	IEEE80211_FC1_RETRY			0x08
91 #define	IEEE80211_FC1_PWR_MGT			0x10
92 #define	IEEE80211_FC1_MORE_DATA			0x20
93 #define	IEEE80211_FC1_WEP			0x40
94 #define	IEEE80211_FC1_ORDER			0x80
95 
96 #define	IEEE80211_SEQ_FRAG_MASK			0x000f
97 #define	IEEE80211_SEQ_FRAG_SHIFT		0
98 #define	IEEE80211_SEQ_SEQ_MASK			0xfff0
99 #define	IEEE80211_SEQ_SEQ_SHIFT			4
100 
101 #define	IEEE80211_NWID_LEN			32
102 
103 #define	IEEE80211_QOS_TXOP			0x00ff
104 /* bit 8 is reserved */
105 #define	IEEE80211_QOS_ACKPOLICY			0x60
106 #define	IEEE80211_QOS_ACKPOLICY_S		5
107 #define	IEEE80211_QOS_ESOP			0x10
108 #define	IEEE80211_QOS_ESOP_S			4
109 #define	IEEE80211_QOS_TID			0x0f
110 
111 #define IEEE80211_MGT_SUBTYPE_NAMES {			\
112 	"assoc-req",		"assoc-resp",		\
113 	"reassoc-req",		"reassoc-resp",		\
114 	"probe-req",		"probe-resp",		\
115 	"reserved#6",		"reserved#7",		\
116 	"beacon",		"atim",			\
117 	"disassoc",		"auth",			\
118 	"deauth",		"reserved#13",		\
119 	"reserved#14",		"reserved#15"		\
120 }
121 
122 #define IEEE80211_CTL_SUBTYPE_NAMES {			\
123 	"reserved#0",		"reserved#1",		\
124 	"reserved#2",		"reserved#3",		\
125 	"reserved#3",		"reserved#5",		\
126 	"reserved#6",		"reserved#7",		\
127 	"reserved#8",		"reserved#9",		\
128 	"ps-poll",		"rts",			\
129 	"cts",			"ack",			\
130 	"cf-end",		"cf-end-ack"		\
131 }
132 
133 #define IEEE80211_DATA_SUBTYPE_NAMES {			\
134 	"data",			"data-cf-ack",		\
135 	"data-cf-poll",		"data-cf-ack-poll",	\
136 	"null",			"cf-ack",		\
137 	"cf-poll",		"cf-ack-poll",		\
138 	"qos-data",		"qos-data-cf-ack",	\
139 	"qos-data-cf-poll",	"qos-data-cf-ack-poll",	\
140 	"qos",			"reserved#13",		\
141 	"qos-cf-poll",		"qos-cf-ack-poll"	\
142 }
143 
144 #define IEEE80211_TYPE_NAMES	{ "mgt", "ctl", "data", "reserved#4" }
145 
146 #endif /* _NET80211_IEEE80211_H_ */
147