Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / vt6656 / 80211hdr.h
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1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
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19 * File: 80211hdr.h
20 *
21 * Purpose: 802.11 MAC headers related pre-defines and macros.
22 *
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23 * Author: Lyndon Chen
24 *
25 * Date: Apr 8, 2002
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26 */
27
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28#ifndef __80211HDR_H__
29#define __80211HDR_H__
30
92b96797 31#include "ttype.h"
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32
33/*--------------------- Export Definitions -------------------------*/
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34
35/* bit type */
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36#define BIT0 0x00000001
37#define BIT1 0x00000002
38#define BIT2 0x00000004
39#define BIT3 0x00000008
40#define BIT4 0x00000010
41#define BIT5 0x00000020
42#define BIT6 0x00000040
43#define BIT7 0x00000080
44#define BIT8 0x00000100
45#define BIT9 0x00000200
46#define BIT10 0x00000400
47#define BIT11 0x00000800
48#define BIT12 0x00001000
49#define BIT13 0x00002000
50#define BIT14 0x00004000
51#define BIT15 0x00008000
52#define BIT16 0x00010000
53#define BIT17 0x00020000
54#define BIT18 0x00040000
55#define BIT19 0x00080000
56#define BIT20 0x00100000
57#define BIT21 0x00200000
58#define BIT22 0x00400000
59#define BIT23 0x00800000
60#define BIT24 0x01000000
61#define BIT25 0x02000000
62#define BIT26 0x04000000
63#define BIT27 0x08000000
64#define BIT28 0x10000000
65#define BIT29 0x20000000
66#define BIT30 0x40000000
67#define BIT31 0x80000000
68
bd2de358 69/* 802.11 frame related, defined as 802.11 spec */
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70#define WLAN_ADDR_LEN 6
71#define WLAN_CRC_LEN 4
72#define WLAN_CRC32_LEN 4
73#define WLAN_FCS_LEN 4
74#define WLAN_BSSID_LEN 6
75#define WLAN_BSS_TS_LEN 8
76#define WLAN_HDR_ADDR2_LEN 16
77#define WLAN_HDR_ADDR3_LEN 24
78#define WLAN_HDR_ADDR4_LEN 30
79#define WLAN_IEHDR_LEN 2
80#define WLAN_SSID_MAXLEN 32
bd2de358 81/* #define WLAN_RATES_MAXLEN 255 */
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82#define WLAN_RATES_MAXLEN 16
83#define WLAN_RATES_MAXLEN_11B 4
84#define WLAN_RSN_MAXLEN 32
85#define WLAN_DATA_MAXLEN 2312
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86#define WLAN_A3FR_MAXLEN (WLAN_HDR_ADDR3_LEN \
87 + WLAN_DATA_MAXLEN \
88 + WLAN_CRC_LEN)
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89
90#define WLAN_BEACON_FR_MAXLEN WLAN_A3FR_MAXLEN
91#define WLAN_ATIM_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0)
92#define WLAN_NULLDATA_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0)
93#define WLAN_DISASSOC_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2)
94#define WLAN_ASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
95#define WLAN_ASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN
96#define WLAN_REASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
97#define WLAN_REASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN
98#define WLAN_PROBEREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
99#define WLAN_PROBERESP_FR_MAXLEN WLAN_A3FR_MAXLEN
100#define WLAN_AUTHEN_FR_MAXLEN WLAN_A3FR_MAXLEN
101#define WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2)
102
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103#define WLAN_WEP_NKEYS 4
104#define WLAN_WEP40_KEYLEN 5
105#define WLAN_WEP104_KEYLEN 13
106#define WLAN_WEP232_KEYLEN 29
bd2de358 107/* #define WLAN_WEPMAX_KEYLEN 29 */
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108#define WLAN_WEPMAX_KEYLEN 32
109#define WLAN_CHALLENGE_IE_MAXLEN 255
110#define WLAN_CHALLENGE_IE_LEN 130
111#define WLAN_CHALLENGE_LEN 128
112#define WLAN_WEP_IV_LEN 4
113#define WLAN_WEP_ICV_LEN 4
114#define WLAN_FRAGS_MAX 16
115
bd2de358 116/* Frame Type */
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117#define WLAN_TYPE_MGR 0x00
118#define WLAN_TYPE_CTL 0x01
119#define WLAN_TYPE_DATA 0x02
120
121#define WLAN_FTYPE_MGMT 0x00
122#define WLAN_FTYPE_CTL 0x01
123#define WLAN_FTYPE_DATA 0x02
124
bd2de358 125/* Frame Subtypes */
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126#define WLAN_FSTYPE_ASSOCREQ 0x00
127#define WLAN_FSTYPE_ASSOCRESP 0x01
128#define WLAN_FSTYPE_REASSOCREQ 0x02
129#define WLAN_FSTYPE_REASSOCRESP 0x03
130#define WLAN_FSTYPE_PROBEREQ 0x04
131#define WLAN_FSTYPE_PROBERESP 0x05
132#define WLAN_FSTYPE_BEACON 0x08
133#define WLAN_FSTYPE_ATIM 0x09
134#define WLAN_FSTYPE_DISASSOC 0x0a
135#define WLAN_FSTYPE_AUTHEN 0x0b
136#define WLAN_FSTYPE_DEAUTHEN 0x0c
137#define WLAN_FSTYPE_ACTION 0x0d
138
bd2de358 139/* Control */
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140#define WLAN_FSTYPE_PSPOLL 0x0a
141#define WLAN_FSTYPE_RTS 0x0b
142#define WLAN_FSTYPE_CTS 0x0c
143#define WLAN_FSTYPE_ACK 0x0d
144#define WLAN_FSTYPE_CFEND 0x0e
145#define WLAN_FSTYPE_CFENDCFACK 0x0f
146
bd2de358 147/* Data */
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148#define WLAN_FSTYPE_DATAONLY 0x00
149#define WLAN_FSTYPE_DATA_CFACK 0x01
150#define WLAN_FSTYPE_DATA_CFPOLL 0x02
151#define WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03
152#define WLAN_FSTYPE_NULL 0x04
153#define WLAN_FSTYPE_CFACK 0x05
154#define WLAN_FSTYPE_CFPOLL 0x06
155#define WLAN_FSTYPE_CFACK_CFPOLL 0x07
156
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157#ifdef __BIG_ENDIAN
158
bd2de358 159/* GET & SET Frame Control bit */
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160#define WLAN_GET_FC_PRVER(n) ((((WORD)(n) >> 8) & (BIT0 | BIT1))
161#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
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162#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n) >> 8) \
163 & (BIT4|BIT5|BIT6|BIT7)) >> 4)
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164#define WLAN_GET_FC_TODS(n) ((((WORD)(n) << 8) & (BIT8)) >> 8)
165#define WLAN_GET_FC_FROMDS(n) ((((WORD)(n) << 8) & (BIT9)) >> 9)
166#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n) << 8) & (BIT10)) >> 10)
167#define WLAN_GET_FC_RETRY(n) ((((WORD)(n) << 8) & (BIT11)) >> 11)
168#define WLAN_GET_FC_PWRMGT(n) ((((WORD)(n) << 8) & (BIT12)) >> 12)
169#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n) << 8) & (BIT13)) >> 13)
170#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n) << 8) & (BIT14)) >> 14)
171#define WLAN_GET_FC_ORDER(n) ((((WORD)(n) << 8) & (BIT15)) >> 15)
172
bd2de358 173/* Sequence Field bit */
92b96797 174#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
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175#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) \
176 & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
92b96797 177
bd2de358 178/* Capability Field bit */
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179#define WLAN_GET_CAP_INFO_ESS(n) (((n) >> 8) & BIT0)
180#define WLAN_GET_CAP_INFO_IBSS(n) ((((n) >> 8) & BIT1) >> 1)
181#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) ((((n) >> 8) & BIT2) >> 2)
182#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) ((((n) >> 8) & BIT3) >> 3)
183#define WLAN_GET_CAP_INFO_PRIVACY(n) ((((n) >> 8) & BIT4) >> 4)
184#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) ((((n) >> 8) & BIT5) >> 5)
185#define WLAN_GET_CAP_INFO_PBCC(n) ((((n) >> 8) & BIT6) >> 6)
186#define WLAN_GET_CAP_INFO_AGILITY(n) ((((n) >> 8) & BIT7) >> 7)
187#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) ((((n)) & BIT8) >> 10)
188#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) ((((n)) & BIT10) >> 10)
189#define WLAN_GET_CAP_INFO_DSSSOFDM(n) ((((n)) & BIT13) >> 13)
190#define WLAN_GET_CAP_INFO_GRPACK(n) ((((n)) & BIT14) >> 14)
191
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192#else
193
bd2de358 194/* GET & SET Frame Control bit */
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195#define WLAN_GET_FC_PRVER(n) (((WORD)(n)) & (BIT0 | BIT1))
196#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
197#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
198#define WLAN_GET_FC_TODS(n) ((((WORD)(n)) & (BIT8)) >> 8)
199#define WLAN_GET_FC_FROMDS(n) ((((WORD)(n)) & (BIT9)) >> 9)
200#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n)) & (BIT10)) >> 10)
201#define WLAN_GET_FC_RETRY(n) ((((WORD)(n)) & (BIT11)) >> 11)
202#define WLAN_GET_FC_PWRMGT(n) ((((WORD)(n)) & (BIT12)) >> 12)
203#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n)) & (BIT13)) >> 13)
204#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n)) & (BIT14)) >> 14)
205#define WLAN_GET_FC_ORDER(n) ((((WORD)(n)) & (BIT15)) >> 15)
206
bd2de358 207/* Sequence Field bit */
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208#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
209#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
210
bd2de358 211/* Capability Field bit */
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212#define WLAN_GET_CAP_INFO_ESS(n) ((n) & BIT0)
213#define WLAN_GET_CAP_INFO_IBSS(n) (((n) & BIT1) >> 1)
214#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) (((n) & BIT2) >> 2)
215#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) (((n) & BIT3) >> 3)
216#define WLAN_GET_CAP_INFO_PRIVACY(n) (((n) & BIT4) >> 4)
217#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) (((n) & BIT5) >> 5)
218#define WLAN_GET_CAP_INFO_PBCC(n) (((n) & BIT6) >> 6)
219#define WLAN_GET_CAP_INFO_AGILITY(n) (((n) & BIT7) >> 7)
220#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) (((n) & BIT8) >> 10)
221#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) (((n) & BIT10) >> 10)
222#define WLAN_GET_CAP_INFO_DSSSOFDM(n) (((n) & BIT13) >> 13)
223#define WLAN_GET_CAP_INFO_GRPACK(n) (((n) & BIT14) >> 14)
224
bd2de358 225#endif /* #ifdef __BIG_ENDIAN */
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226
227#define WLAN_SET_CAP_INFO_ESS(n) (n)
228#define WLAN_SET_CAP_INFO_IBSS(n) ((n) << 1)
229#define WLAN_SET_CAP_INFO_CFPOLLABLE(n) ((n) << 2)
230#define WLAN_SET_CAP_INFO_CFPOLLREQ(n) ((n) << 3)
231#define WLAN_SET_CAP_INFO_PRIVACY(n) ((n) << 4)
232#define WLAN_SET_CAP_INFO_SHORTPREAMBLE(n) ((n) << 5)
233#define WLAN_SET_CAP_INFO_SPECTRUMMNG(n) ((n) << 8)
234#define WLAN_SET_CAP_INFO_PBCC(n) ((n) << 6)
235#define WLAN_SET_CAP_INFO_AGILITY(n) ((n) << 7)
236#define WLAN_SET_CAP_INFO_SHORTSLOTTIME(n) ((n) << 10)
237#define WLAN_SET_CAP_INFO_DSSSOFDM(n) ((n) << 13)
238#define WLAN_SET_CAP_INFO_GRPACK(n) ((n) << 14)
239
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240#define WLAN_SET_FC_PRVER(n) ((WORD)(n))
241#define WLAN_SET_FC_FTYPE(n) (((WORD)(n)) << 2)
242#define WLAN_SET_FC_FSTYPE(n) (((WORD)(n)) << 4)
243#define WLAN_SET_FC_TODS(n) (((WORD)(n)) << 8)
244#define WLAN_SET_FC_FROMDS(n) (((WORD)(n)) << 9)
245#define WLAN_SET_FC_MOREFRAG(n) (((WORD)(n)) << 10)
246#define WLAN_SET_FC_RETRY(n) (((WORD)(n)) << 11)
247#define WLAN_SET_FC_PWRMGT(n) (((WORD)(n)) << 12)
248#define WLAN_SET_FC_MOREDATA(n) (((WORD)(n)) << 13)
249#define WLAN_SET_FC_ISWEP(n) (((WORD)(n)) << 14)
250#define WLAN_SET_FC_ORDER(n) (((WORD)(n)) << 15)
251
252#define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
253#define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)
254
bd2de358 255/* ERP Field bit */
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256
257#define WLAN_GET_ERP_NONERP_PRESENT(n) ((n) & BIT0)
258#define WLAN_GET_ERP_USE_PROTECTION(n) (((n) & BIT1) >> 1)
259#define WLAN_GET_ERP_BARKER_MODE(n) (((n) & BIT2) >> 2)
260
261#define WLAN_SET_ERP_NONERP_PRESENT(n) (n)
262#define WLAN_SET_ERP_USE_PROTECTION(n) ((n) << 1)
263#define WLAN_SET_ERP_BARKER_MODE(n) ((n) << 2)
264
bd2de358 265/* Support & Basic Rates field */
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266#define WLAN_MGMT_IS_BASICRATE(b) ((b) & BIT7)
267#define WLAN_MGMT_GET_RATE(b) ((b) & ~BIT7)
268
bd2de358 269/* TIM field */
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270#define WLAN_MGMT_IS_MULTICAST_TIM(b) ((b) & BIT0)
271#define WLAN_MGMT_GET_TIM_OFFSET(b) (((b) & ~BIT0) >> 1)
272
bd2de358 273/* 3-Addr & 4-Addr */
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274#define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
275#define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)
276
bd2de358 277/* IEEE ADDR */
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278#define IEEE_ADDR_UNIVERSAL 0x02
279#define IEEE_ADDR_GROUP 0x01
280
281typedef struct {
282 BYTE abyAddr[6];
283} IEEE_ADDR, *PIEEE_ADDR;
284
bd2de358 285/* 802.11 Header Format */
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286
287typedef struct tagWLAN_80211HDR_A2 {
288
289 WORD wFrameCtl;
290 WORD wDurationID;
291 BYTE abyAddr1[WLAN_ADDR_LEN];
292 BYTE abyAddr2[WLAN_ADDR_LEN];
293
bd2de358 294} __attribute__ ((__packed__))
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295WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
296
297typedef struct tagWLAN_80211HDR_A3 {
298
299 WORD wFrameCtl;
300 WORD wDurationID;
301 BYTE abyAddr1[WLAN_ADDR_LEN];
302 BYTE abyAddr2[WLAN_ADDR_LEN];
303 BYTE abyAddr3[WLAN_ADDR_LEN];
304 WORD wSeqCtl;
305
bd2de358 306} __attribute__ ((__packed__))
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307WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;
308
309typedef struct tagWLAN_80211HDR_A4 {
310
311 WORD wFrameCtl;
312 WORD wDurationID;
313 BYTE abyAddr1[WLAN_ADDR_LEN];
314 BYTE abyAddr2[WLAN_ADDR_LEN];
315 BYTE abyAddr3[WLAN_ADDR_LEN];
316 WORD wSeqCtl;
317 BYTE abyAddr4[WLAN_ADDR_LEN];
318
bd2de358 319} __attribute__ ((__packed__))
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320WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
321
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322typedef union tagUWLAN_80211HDR {
323
324 WLAN_80211HDR_A2 sA2;
325 WLAN_80211HDR_A3 sA3;
326 WLAN_80211HDR_A4 sA4;
327
328} UWLAN_80211HDR, *PUWLAN_80211HDR;
329
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330/*--------------------- Export Classes ----------------------------*/
331
332/*--------------------- Export Variables --------------------------*/
333
334/*--------------------- Export Functions --------------------------*/
335
bd2de358 336#endif /* __80211HDR_H__ */