PageRenderTime 72ms CodeModel.GetById 60ms app.highlight 4ms RepoModel.GetById 6ms app.codeStats 0ms

/drivers/staging/vt6656/80211hdr.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 336 lines | 237 code | 49 blank | 50 comment | 0 complexity | 21eb1fe63581b715d1a4c480cd3babbc 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 * File: 80211hdr.h
 20 *
 21 * Purpose: 802.11 MAC headers related pre-defines and macros.
 22 *
 23 * Author: Lyndon Chen
 24 *
 25 * Date: Apr 8, 2002
 26 */
 27
 28#ifndef __80211HDR_H__
 29#define __80211HDR_H__
 30
 31#include "ttype.h"
 32
 33/*---------------------  Export Definitions -------------------------*/
 34
 35/* bit type */
 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
 69/* 802.11 frame related, defined as 802.11 spec */
 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
 81/* #define WLAN_RATES_MAXLEN           255 */
 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
 86#define WLAN_A3FR_MAXLEN            (WLAN_HDR_ADDR3_LEN \
 87				     + WLAN_DATA_MAXLEN \
 88				     + WLAN_CRC_LEN)
 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
103#define WLAN_WEP_NKEYS              4
104#define WLAN_WEP40_KEYLEN           5
105#define WLAN_WEP104_KEYLEN          13
106#define WLAN_WEP232_KEYLEN          29
107/* #define WLAN_WEPMAX_KEYLEN          29 */
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
116/* Frame Type */
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
125/* Frame Subtypes */
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
139/* Control */
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
147/* Data */
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
157#ifdef __BIG_ENDIAN
158
159/* GET & SET Frame Control bit */
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)
162#define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n) >> 8) \
163				  & (BIT4|BIT5|BIT6|BIT7)) >> 4)
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
173/* Sequence Field bit */
174#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
175#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) \
176				 & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
177
178/* Capability Field bit */
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
192#else
193
194/* GET & SET Frame Control bit */
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
207/* Sequence Field bit */
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
211/* Capability Field bit */
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
225#endif /* #ifdef __BIG_ENDIAN */
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
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
255/* ERP Field bit */
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
265/* Support & Basic Rates field */
266#define WLAN_MGMT_IS_BASICRATE(b)    ((b) & BIT7)
267#define WLAN_MGMT_GET_RATE(b)        ((b) & ~BIT7)
268
269/* TIM field */
270#define WLAN_MGMT_IS_MULTICAST_TIM(b)   ((b) & BIT0)
271#define WLAN_MGMT_GET_TIM_OFFSET(b)     (((b) & ~BIT0) >> 1)
272
273/* 3-Addr & 4-Addr */
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
277/* IEEE ADDR */
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
285/* 802.11 Header Format */
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
294} __attribute__ ((__packed__))
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
306} __attribute__ ((__packed__))
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
319} __attribute__ ((__packed__))
320WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
321
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
330/*---------------------  Export Classes  ----------------------------*/
331
332/*---------------------  Export Variables  --------------------------*/
333
334/*---------------------  Export Functions  --------------------------*/
335
336#endif /* __80211HDR_H__ */