Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / vt6655 / 80211hdr.h
CommitLineData
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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 *
612822f5 19 *
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20 * File: 80211hdr.h
21 *
612822f5
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22 * Purpose: 802.11 MAC headers related pre-defines and macros.
23 *
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24 *
25 * Author: Lyndon Chen
26 *
27 * Date: Apr 8, 2002
28 *
29 */
30
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31#ifndef __80211HDR_H__
32#define __80211HDR_H__
33
5449c685 34#include "ttype.h"
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35
36/*--------------------- Export Definitions -------------------------*/
0b25a610 37/* bit type */
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38#define BIT0 0x00000001
39#define BIT1 0x00000002
40#define BIT2 0x00000004
41#define BIT3 0x00000008
42#define BIT4 0x00000010
43#define BIT5 0x00000020
44#define BIT6 0x00000040
45#define BIT7 0x00000080
46#define BIT8 0x00000100
47#define BIT9 0x00000200
48#define BIT10 0x00000400
49#define BIT11 0x00000800
50#define BIT12 0x00001000
51#define BIT13 0x00002000
52#define BIT14 0x00004000
53#define BIT15 0x00008000
54#define BIT16 0x00010000
55#define BIT17 0x00020000
56#define BIT18 0x00040000
57#define BIT19 0x00080000
58#define BIT20 0x00100000
59#define BIT21 0x00200000
60#define BIT22 0x00400000
61#define BIT23 0x00800000
62#define BIT24 0x01000000
63#define BIT25 0x02000000
64#define BIT26 0x04000000
65#define BIT27 0x08000000
66#define BIT28 0x10000000
67#define BIT29 0x20000000
68#define BIT30 0x40000000
69#define BIT31 0x80000000
70
71// 802.11 frame related, defined as 802.11 spec
72#define WLAN_ADDR_LEN 6
73#define WLAN_CRC_LEN 4
74#define WLAN_CRC32_LEN 4
75#define WLAN_FCS_LEN 4
76#define WLAN_BSSID_LEN 6
77#define WLAN_BSS_TS_LEN 8
78#define WLAN_HDR_ADDR2_LEN 16
79#define WLAN_HDR_ADDR3_LEN 24
80#define WLAN_HDR_ADDR4_LEN 30
81#define WLAN_IEHDR_LEN 2
82#define WLAN_SSID_MAXLEN 32
0b25a610 83/*#define WLAN_RATES_MAXLEN 255*/
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84#define WLAN_RATES_MAXLEN 16
85#define WLAN_RATES_MAXLEN_11B 4
86#define WLAN_RSN_MAXLEN 32
87#define WLAN_DATA_MAXLEN 2312
88#define WLAN_A3FR_MAXLEN (WLAN_HDR_ADDR3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
89
90
91#define WLAN_BEACON_FR_MAXLEN WLAN_A3FR_MAXLEN
92#define WLAN_ATIM_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0)
93#define WLAN_NULLDATA_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0)
94#define WLAN_DISASSOC_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2)
95#define WLAN_ASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
96#define WLAN_ASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN
97#define WLAN_REASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
98#define WLAN_REASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN
99#define WLAN_PROBEREQ_FR_MAXLEN WLAN_A3FR_MAXLEN
100#define WLAN_PROBERESP_FR_MAXLEN WLAN_A3FR_MAXLEN
101#define WLAN_AUTHEN_FR_MAXLEN WLAN_A3FR_MAXLEN
102#define WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2)
103
104
105#define WLAN_WEP_NKEYS 4
106#define WLAN_WEP40_KEYLEN 5
107#define WLAN_WEP104_KEYLEN 13
108#define WLAN_WEP232_KEYLEN 29
0b25a610 109/*#define WLAN_WEPMAX_KEYLEN 29*/
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110#define WLAN_WEPMAX_KEYLEN 32
111#define WLAN_CHALLENGE_IE_MAXLEN 255
112#define WLAN_CHALLENGE_IE_LEN 130
113#define WLAN_CHALLENGE_LEN 128
114#define WLAN_WEP_IV_LEN 4
115#define WLAN_WEP_ICV_LEN 4
116#define WLAN_FRAGS_MAX 16
117
0b25a610 118/* Frame Type */
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119#define WLAN_TYPE_MGR 0x00
120#define WLAN_TYPE_CTL 0x01
121#define WLAN_TYPE_DATA 0x02
122
123#define WLAN_FTYPE_MGMT 0x00
124#define WLAN_FTYPE_CTL 0x01
125#define WLAN_FTYPE_DATA 0x02
126
127
0b25a610 128/* Frame Subtypes */
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129#define WLAN_FSTYPE_ASSOCREQ 0x00
130#define WLAN_FSTYPE_ASSOCRESP 0x01
131#define WLAN_FSTYPE_REASSOCREQ 0x02
132#define WLAN_FSTYPE_REASSOCRESP 0x03
133#define WLAN_FSTYPE_PROBEREQ 0x04
134#define WLAN_FSTYPE_PROBERESP 0x05
135#define WLAN_FSTYPE_BEACON 0x08
136#define WLAN_FSTYPE_ATIM 0x09
137#define WLAN_FSTYPE_DISASSOC 0x0a
138#define WLAN_FSTYPE_AUTHEN 0x0b
139#define WLAN_FSTYPE_DEAUTHEN 0x0c
140#define WLAN_FSTYPE_ACTION 0x0d
141
0b25a610 142/* Control */
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143#define WLAN_FSTYPE_PSPOLL 0x0a
144#define WLAN_FSTYPE_RTS 0x0b
145#define WLAN_FSTYPE_CTS 0x0c
146#define WLAN_FSTYPE_ACK 0x0d
147#define WLAN_FSTYPE_CFEND 0x0e
148#define WLAN_FSTYPE_CFENDCFACK 0x0f
149
0b25a610 150/* Data */
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151#define WLAN_FSTYPE_DATAONLY 0x00
152#define WLAN_FSTYPE_DATA_CFACK 0x01
153#define WLAN_FSTYPE_DATA_CFPOLL 0x02
154#define WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03
155#define WLAN_FSTYPE_NULL 0x04
156#define WLAN_FSTYPE_CFACK 0x05
157#define WLAN_FSTYPE_CFPOLL 0x06
158#define WLAN_FSTYPE_CFACK_CFPOLL 0x07
159
160
161#ifdef __BIG_ENDIAN
162
0b25a610 163/* GET & SET Frame Control bit */
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164#define WLAN_GET_FC_PRVER(n) ((((WORD)(n) >> 8) & (BIT0 | BIT1))
165#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
166#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
167#define WLAN_GET_FC_TODS(n) ((((WORD)(n) << 8) & (BIT8)) >> 8)
168#define WLAN_GET_FC_FROMDS(n) ((((WORD)(n) << 8) & (BIT9)) >> 9)
169#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n) << 8) & (BIT10)) >> 10)
170#define WLAN_GET_FC_RETRY(n) ((((WORD)(n) << 8) & (BIT11)) >> 11)
171#define WLAN_GET_FC_PWRMGT(n) ((((WORD)(n) << 8) & (BIT12)) >> 12)
172#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n) << 8) & (BIT13)) >> 13)
173#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n) << 8) & (BIT14)) >> 14)
174#define WLAN_GET_FC_ORDER(n) ((((WORD)(n) << 8) & (BIT15)) >> 15)
175
0b25a610 176/* Sequence Field bit */
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177#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
178#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
179
180
0b25a610 181/* Capability Field bit */
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182#define WLAN_GET_CAP_INFO_ESS(n) (((n) >> 8) & BIT0)
183#define WLAN_GET_CAP_INFO_IBSS(n) ((((n) >> 8) & BIT1) >> 1)
184#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) ((((n) >> 8) & BIT2) >> 2)
185#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) ((((n) >> 8) & BIT3) >> 3)
186#define WLAN_GET_CAP_INFO_PRIVACY(n) ((((n) >> 8) & BIT4) >> 4)
187#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) ((((n) >> 8) & BIT5) >> 5)
188#define WLAN_GET_CAP_INFO_PBCC(n) ((((n) >> 8) & BIT6) >> 6)
189#define WLAN_GET_CAP_INFO_AGILITY(n) ((((n) >> 8) & BIT7) >> 7)
190#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) ((((n)) & BIT8) >> 10)
191#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) ((((n)) & BIT10) >> 10)
192#define WLAN_GET_CAP_INFO_DSSSOFDM(n) ((((n)) & BIT13) >> 13)
193#define WLAN_GET_CAP_INFO_GRPACK(n) ((((n)) & BIT14) >> 14)
194
195
196#else
197
0b25a610 198/* GET & SET Frame Control bit */
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199#define WLAN_GET_FC_PRVER(n) (((WORD)(n)) & (BIT0 | BIT1))
200#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
201#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
202#define WLAN_GET_FC_TODS(n) ((((WORD)(n)) & (BIT8)) >> 8)
203#define WLAN_GET_FC_FROMDS(n) ((((WORD)(n)) & (BIT9)) >> 9)
204#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n)) & (BIT10)) >> 10)
205#define WLAN_GET_FC_RETRY(n) ((((WORD)(n)) & (BIT11)) >> 11)
206#define WLAN_GET_FC_PWRMGT(n) ((((WORD)(n)) & (BIT12)) >> 12)
207#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n)) & (BIT13)) >> 13)
208#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n)) & (BIT14)) >> 14)
209#define WLAN_GET_FC_ORDER(n) ((((WORD)(n)) & (BIT15)) >> 15)
210
211
0b25a610 212/* Sequence Field bit */
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213#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
214#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
215
216
0b25a610 217/* Capability Field bit */
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218#define WLAN_GET_CAP_INFO_ESS(n) ((n) & BIT0)
219#define WLAN_GET_CAP_INFO_IBSS(n) (((n) & BIT1) >> 1)
220#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) (((n) & BIT2) >> 2)
221#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) (((n) & BIT3) >> 3)
222#define WLAN_GET_CAP_INFO_PRIVACY(n) (((n) & BIT4) >> 4)
223#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) (((n) & BIT5) >> 5)
224#define WLAN_GET_CAP_INFO_PBCC(n) (((n) & BIT6) >> 6)
225#define WLAN_GET_CAP_INFO_AGILITY(n) (((n) & BIT7) >> 7)
226#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) (((n) & BIT8) >> 10)
227#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) (((n) & BIT10) >> 10)
228#define WLAN_GET_CAP_INFO_DSSSOFDM(n) (((n) & BIT13) >> 13)
229#define WLAN_GET_CAP_INFO_GRPACK(n) (((n) & BIT14) >> 14)
230
231
0b25a610 232#endif /*#ifdef __BIG_ENDIAN */
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233
234
235#define WLAN_SET_CAP_INFO_ESS(n) (n)
236#define WLAN_SET_CAP_INFO_IBSS(n) ((n) << 1)
237#define WLAN_SET_CAP_INFO_CFPOLLABLE(n) ((n) << 2)
238#define WLAN_SET_CAP_INFO_CFPOLLREQ(n) ((n) << 3)
239#define WLAN_SET_CAP_INFO_PRIVACY(n) ((n) << 4)
240#define WLAN_SET_CAP_INFO_SHORTPREAMBLE(n) ((n) << 5)
241#define WLAN_SET_CAP_INFO_SPECTRUMMNG(n) ((n) << 8)
242#define WLAN_SET_CAP_INFO_PBCC(n) ((n) << 6)
243#define WLAN_SET_CAP_INFO_AGILITY(n) ((n) << 7)
244#define WLAN_SET_CAP_INFO_SHORTSLOTTIME(n) ((n) << 10)
245#define WLAN_SET_CAP_INFO_DSSSOFDM(n) ((n) << 13)
246#define WLAN_SET_CAP_INFO_GRPACK(n) ((n) << 14)
247
248
249#define WLAN_SET_FC_PRVER(n) ((WORD)(n))
250#define WLAN_SET_FC_FTYPE(n) (((WORD)(n)) << 2)
251#define WLAN_SET_FC_FSTYPE(n) (((WORD)(n)) << 4)
252#define WLAN_SET_FC_TODS(n) (((WORD)(n)) << 8)
253#define WLAN_SET_FC_FROMDS(n) (((WORD)(n)) << 9)
254#define WLAN_SET_FC_MOREFRAG(n) (((WORD)(n)) << 10)
255#define WLAN_SET_FC_RETRY(n) (((WORD)(n)) << 11)
256#define WLAN_SET_FC_PWRMGT(n) (((WORD)(n)) << 12)
257#define WLAN_SET_FC_MOREDATA(n) (((WORD)(n)) << 13)
258#define WLAN_SET_FC_ISWEP(n) (((WORD)(n)) << 14)
259#define WLAN_SET_FC_ORDER(n) (((WORD)(n)) << 15)
260
261#define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
262#define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)
263
0b25a610 264/* ERP Field bit */
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265
266#define WLAN_GET_ERP_NONERP_PRESENT(n) ((n) & BIT0)
267#define WLAN_GET_ERP_USE_PROTECTION(n) (((n) & BIT1) >> 1)
268#define WLAN_GET_ERP_BARKER_MODE(n) (((n) & BIT2) >> 2)
269
270#define WLAN_SET_ERP_NONERP_PRESENT(n) (n)
271#define WLAN_SET_ERP_USE_PROTECTION(n) ((n) << 1)
272#define WLAN_SET_ERP_BARKER_MODE(n) ((n) << 2)
273
274
275
0b25a610 276/* Support & Basic Rates field */
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277#define WLAN_MGMT_IS_BASICRATE(b) ((b) & BIT7)
278#define WLAN_MGMT_GET_RATE(b) ((b) & ~BIT7)
279
0b25a610 280/* TIM field */
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281#define WLAN_MGMT_IS_MULTICAST_TIM(b) ((b) & BIT0)
282#define WLAN_MGMT_GET_TIM_OFFSET(b) (((b) & ~BIT0) >> 1)
283
0b25a610 284/* 3-Addr & 4-Addr */
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285#define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
286#define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)
287
0b25a610 288/* IEEE ADDR */
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289#define IEEE_ADDR_UNIVERSAL 0x02
290#define IEEE_ADDR_GROUP 0x01
291
292typedef struct {
293 BYTE abyAddr[6];
294} IEEE_ADDR, *PIEEE_ADDR;
295
0b25a610 296/* 802.11 Header Format */
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297
298typedef struct tagWLAN_80211HDR_A2 {
299
300 WORD wFrameCtl;
301 WORD wDurationID;
302 BYTE abyAddr1[WLAN_ADDR_LEN];
303 BYTE abyAddr2[WLAN_ADDR_LEN];
304
0b25a610 305} __attribute__ ((__packed__))
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306WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
307
308typedef struct tagWLAN_80211HDR_A3 {
309
310 WORD wFrameCtl;
311 WORD wDurationID;
312 BYTE abyAddr1[WLAN_ADDR_LEN];
313 BYTE abyAddr2[WLAN_ADDR_LEN];
314 BYTE abyAddr3[WLAN_ADDR_LEN];
315 WORD wSeqCtl;
316
317}__attribute__ ((__packed__))
318WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;
319
320typedef struct tagWLAN_80211HDR_A4 {
321
322 WORD wFrameCtl;
323 WORD wDurationID;
324 BYTE abyAddr1[WLAN_ADDR_LEN];
325 BYTE abyAddr2[WLAN_ADDR_LEN];
326 BYTE abyAddr3[WLAN_ADDR_LEN];
327 WORD wSeqCtl;
328 BYTE abyAddr4[WLAN_ADDR_LEN];
329
0b25a610 330} __attribute__ ((__packed__))
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331WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
332
333
334typedef union tagUWLAN_80211HDR {
335
336 WLAN_80211HDR_A2 sA2;
337 WLAN_80211HDR_A3 sA3;
338 WLAN_80211HDR_A4 sA4;
339
340} UWLAN_80211HDR, *PUWLAN_80211HDR;
341
342
343/*--------------------- Export Classes ----------------------------*/
344
345/*--------------------- Export Variables --------------------------*/
346
347/*--------------------- Export Functions --------------------------*/
348
349
350
0b25a610 351#endif /* __80211HDR_H__ */
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352
353