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/drivers/staging/vt6655/80211hdr.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 353 lines | 233 code | 67 blank | 53 comment | 0 complexity | fe54ee0f29edd1d16350a2ceeaf65418 MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
  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 *
 19 *
 20 * File: 80211hdr.h
 21 *
 22 * Purpose: 802.11 MAC headers related pre-defines and macros.
 23 *
 24 *
 25 * Author: Lyndon Chen
 26 *
 27 * Date: Apr 8, 2002
 28 *
 29 */
 30
 31#ifndef __80211HDR_H__
 32#define __80211HDR_H__
 33
 34#include "ttype.h"
 35
 36/*---------------------  Export Definitions -------------------------*/
 37/* bit type */
 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
 83/*#define WLAN_RATES_MAXLEN           255*/
 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
109/*#define WLAN_WEPMAX_KEYLEN          29*/
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
118/* Frame Type */
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
128/* Frame Subtypes */
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
142/* Control */
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
150/* Data */
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
163/* GET & SET Frame Control bit */
164#define WLAN_GET_FC_PRVER(n)    ((((unsigned short)(n) >> 8) & (BIT0 | BIT1))
165#define WLAN_GET_FC_FTYPE(n)    ((((unsigned short)(n) >> 8) & (BIT2 | BIT3)) >> 2)
166#define WLAN_GET_FC_FSTYPE(n)   ((((unsigned short)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
167#define WLAN_GET_FC_TODS(n)     ((((unsigned short)(n) << 8) & (BIT8)) >> 8)
168#define WLAN_GET_FC_FROMDS(n)   ((((unsigned short)(n) << 8) & (BIT9)) >> 9)
169#define WLAN_GET_FC_MOREFRAG(n) ((((unsigned short)(n) << 8) & (BIT10)) >> 10)
170#define WLAN_GET_FC_RETRY(n)    ((((unsigned short)(n) << 8) & (BIT11)) >> 11)
171#define WLAN_GET_FC_PWRMGT(n)   ((((unsigned short)(n) << 8) & (BIT12)) >> 12)
172#define WLAN_GET_FC_MOREDATA(n) ((((unsigned short)(n) << 8) & (BIT13)) >> 13)
173#define WLAN_GET_FC_ISWEP(n)    ((((unsigned short)(n) << 8) & (BIT14)) >> 14)
174#define WLAN_GET_FC_ORDER(n)    ((((unsigned short)(n) << 8) & (BIT15)) >> 15)
175
176/* Sequence Field bit */
177#define WLAN_GET_SEQ_FRGNUM(n) (((unsigned short)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
178#define WLAN_GET_SEQ_SEQNUM(n) ((((unsigned short)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
179
180
181/* Capability Field bit */
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
198/* GET & SET Frame Control bit */
199#define WLAN_GET_FC_PRVER(n)    (((unsigned short)(n)) & (BIT0 | BIT1))
200#define WLAN_GET_FC_FTYPE(n)    ((((unsigned short)(n)) & (BIT2 | BIT3)) >> 2)
201#define WLAN_GET_FC_FSTYPE(n)   ((((unsigned short)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
202#define WLAN_GET_FC_TODS(n)     ((((unsigned short)(n)) & (BIT8)) >> 8)
203#define WLAN_GET_FC_FROMDS(n)   ((((unsigned short)(n)) & (BIT9)) >> 9)
204#define WLAN_GET_FC_MOREFRAG(n) ((((unsigned short)(n)) & (BIT10)) >> 10)
205#define WLAN_GET_FC_RETRY(n)    ((((unsigned short)(n)) & (BIT11)) >> 11)
206#define WLAN_GET_FC_PWRMGT(n)   ((((unsigned short)(n)) & (BIT12)) >> 12)
207#define WLAN_GET_FC_MOREDATA(n) ((((unsigned short)(n)) & (BIT13)) >> 13)
208#define WLAN_GET_FC_ISWEP(n)    ((((unsigned short)(n)) & (BIT14)) >> 14)
209#define WLAN_GET_FC_ORDER(n)    ((((unsigned short)(n)) & (BIT15)) >> 15)
210
211
212/* Sequence Field bit */
213#define WLAN_GET_SEQ_FRGNUM(n) (((unsigned short)(n)) & (BIT0|BIT1|BIT2|BIT3))
214#define WLAN_GET_SEQ_SEQNUM(n) ((((unsigned short)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
215
216
217/* Capability Field bit */
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
232#endif /*#ifdef __BIG_ENDIAN */
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)    ((unsigned short)(n))
250#define WLAN_SET_FC_FTYPE(n)    (((unsigned short)(n)) << 2)
251#define WLAN_SET_FC_FSTYPE(n)   (((unsigned short)(n)) << 4)
252#define WLAN_SET_FC_TODS(n)     (((unsigned short)(n)) << 8)
253#define WLAN_SET_FC_FROMDS(n)   (((unsigned short)(n)) << 9)
254#define WLAN_SET_FC_MOREFRAG(n) (((unsigned short)(n)) << 10)
255#define WLAN_SET_FC_RETRY(n)    (((unsigned short)(n)) << 11)
256#define WLAN_SET_FC_PWRMGT(n)   (((unsigned short)(n)) << 12)
257#define WLAN_SET_FC_MOREDATA(n) (((unsigned short)(n)) << 13)
258#define WLAN_SET_FC_ISWEP(n)    (((unsigned short)(n)) << 14)
259#define WLAN_SET_FC_ORDER(n)    (((unsigned short)(n)) << 15)
260
261#define WLAN_SET_SEQ_FRGNUM(n) ((unsigned short)(n))
262#define WLAN_SET_SEQ_SEQNUM(n) (((unsigned short)(n)) << 4)
263
264/* ERP Field bit */
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
276/* Support & Basic Rates field */
277#define WLAN_MGMT_IS_BASICRATE(b)    ((b) & BIT7)
278#define WLAN_MGMT_GET_RATE(b)        ((b) & ~BIT7)
279
280/* TIM field */
281#define WLAN_MGMT_IS_MULTICAST_TIM(b)   ((b) & BIT0)
282#define WLAN_MGMT_GET_TIM_OFFSET(b)     (((b) & ~BIT0) >> 1)
283
284/* 3-Addr & 4-Addr */
285#define WLAN_HDR_A3_DATA_PTR(p) (((unsigned char *)(p)) + WLAN_HDR_ADDR3_LEN)
286#define WLAN_HDR_A4_DATA_PTR(p) (((unsigned char *)(p)) + WLAN_HDR_ADDR4_LEN)
287
288/* IEEE ADDR */
289#define IEEE_ADDR_UNIVERSAL         0x02
290#define IEEE_ADDR_GROUP             0x01
291
292typedef struct {
293    unsigned char abyAddr[6];
294} IEEE_ADDR, *PIEEE_ADDR;
295
296/* 802.11 Header Format */
297
298typedef struct tagWLAN_80211HDR_A2 {
299
300    unsigned short wFrameCtl;
301    unsigned short wDurationID;
302    unsigned char abyAddr1[WLAN_ADDR_LEN];
303    unsigned char abyAddr2[WLAN_ADDR_LEN];
304
305} __attribute__ ((__packed__))
306WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
307
308typedef struct tagWLAN_80211HDR_A3 {
309
310    unsigned short wFrameCtl;
311    unsigned short wDurationID;
312    unsigned char abyAddr1[WLAN_ADDR_LEN];
313    unsigned char abyAddr2[WLAN_ADDR_LEN];
314    unsigned char abyAddr3[WLAN_ADDR_LEN];
315    unsigned short wSeqCtl;
316
317}__attribute__ ((__packed__))
318WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;
319
320typedef struct tagWLAN_80211HDR_A4 {
321
322    unsigned short wFrameCtl;
323    unsigned short wDurationID;
324    unsigned char abyAddr1[WLAN_ADDR_LEN];
325    unsigned char abyAddr2[WLAN_ADDR_LEN];
326    unsigned char abyAddr3[WLAN_ADDR_LEN];
327    unsigned short wSeqCtl;
328    unsigned char abyAddr4[WLAN_ADDR_LEN];
329
330} __attribute__ ((__packed__))
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
351#endif /* __80211HDR_H__ */
352
353