/drivers/staging/vt6656/80211hdr.h
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__ */