diff options
Diffstat (limited to 'drivers/staging/vt6656/80211hdr.h')
| -rw-r--r-- | drivers/staging/vt6656/80211hdr.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/80211hdr.h b/drivers/staging/vt6656/80211hdr.h new file mode 100644 index 00000000000..1e778ba7c63 --- /dev/null +++ b/drivers/staging/vt6656/80211hdr.h @@ -0,0 +1,324 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * File: 80211hdr.h + * + * Purpose: 802.11 MAC headers related pre-defines and macros. + * + * Author: Lyndon Chen + * + * Date: Apr 8, 2002 + */ + +#ifndef __80211HDR_H__ +#define __80211HDR_H__ + +/* bit type */ +#define BIT0 0x00000001 +#define BIT1 0x00000002 +#define BIT2 0x00000004 +#define BIT3 0x00000008 +#define BIT4 0x00000010 +#define BIT5 0x00000020 +#define BIT6 0x00000040 +#define BIT7 0x00000080 +#define BIT8 0x00000100 +#define BIT9 0x00000200 +#define BIT10 0x00000400 +#define BIT11 0x00000800 +#define BIT12 0x00001000 +#define BIT13 0x00002000 +#define BIT14 0x00004000 +#define BIT15 0x00008000 +#define BIT16 0x00010000 +#define BIT17 0x00020000 +#define BIT18 0x00040000 +#define BIT19 0x00080000 +#define BIT20 0x00100000 +#define BIT21 0x00200000 +#define BIT22 0x00400000 +#define BIT23 0x00800000 +#define BIT24 0x01000000 +#define BIT25 0x02000000 +#define BIT26 0x04000000 +#define BIT27 0x08000000 +#define BIT28 0x10000000 +#define BIT29 0x20000000 +#define BIT30 0x40000000 +#define BIT31 0x80000000 + +/* 802.11 frame related, defined as 802.11 spec */ +#define WLAN_ADDR_LEN 6 +#define WLAN_CRC_LEN 4 +#define WLAN_CRC32_LEN 4 +#define WLAN_FCS_LEN 4 +#define WLAN_BSSID_LEN 6 +#define WLAN_BSS_TS_LEN 8 +#define WLAN_HDR_ADDR2_LEN 16 +#define WLAN_HDR_ADDR3_LEN 24 +#define WLAN_HDR_ADDR4_LEN 30 +#define WLAN_IEHDR_LEN 2 +#define WLAN_SSID_MAXLEN 32 +#define WLAN_RATES_MAXLEN 16 +#define WLAN_RATES_MAXLEN_11B 4 +#define WLAN_RSN_MAXLEN 32 +#define WLAN_DATA_MAXLEN 2312 +#define WLAN_A3FR_MAXLEN (WLAN_HDR_ADDR3_LEN \ + + WLAN_DATA_MAXLEN \ + + WLAN_CRC_LEN) + +#define WLAN_BEACON_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_ATIM_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0) +#define WLAN_NULLDATA_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0) +#define WLAN_DISASSOC_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2) +#define WLAN_ASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_ASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_REASSOCREQ_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_REASSOCRESP_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_PROBEREQ_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_PROBERESP_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_AUTHEN_FR_MAXLEN WLAN_A3FR_MAXLEN +#define WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2) + +#define WLAN_WEP_NKEYS 4 +#define WLAN_WEP40_KEYLEN 5 +#define WLAN_WEP104_KEYLEN 13 +#define WLAN_WEP232_KEYLEN 29 +#define WLAN_WEPMAX_KEYLEN 32 +#define WLAN_CHALLENGE_IE_MAXLEN 255 +#define WLAN_CHALLENGE_IE_LEN 130 +#define WLAN_CHALLENGE_LEN 128 +#define WLAN_WEP_IV_LEN 4 +#define WLAN_WEP_ICV_LEN 4 +#define WLAN_FRAGS_MAX 16 + +/* Frame Type */ +#define WLAN_TYPE_MGR 0x00 +#define WLAN_TYPE_CTL 0x01 +#define WLAN_TYPE_DATA 0x02 + +#define WLAN_FTYPE_MGMT 0x00 +#define WLAN_FTYPE_CTL 0x01 +#define WLAN_FTYPE_DATA 0x02 + +/* Frame Subtypes */ +#define WLAN_FSTYPE_ASSOCREQ 0x00 +#define WLAN_FSTYPE_ASSOCRESP 0x01 +#define WLAN_FSTYPE_REASSOCREQ 0x02 +#define WLAN_FSTYPE_REASSOCRESP 0x03 +#define WLAN_FSTYPE_PROBEREQ 0x04 +#define WLAN_FSTYPE_PROBERESP 0x05 +#define WLAN_FSTYPE_BEACON 0x08 +#define WLAN_FSTYPE_ATIM 0x09 +#define WLAN_FSTYPE_DISASSOC 0x0a +#define WLAN_FSTYPE_AUTHEN 0x0b +#define WLAN_FSTYPE_DEAUTHEN 0x0c +#define WLAN_FSTYPE_ACTION 0x0d + +/* Control */ +#define WLAN_FSTYPE_PSPOLL 0x0a +#define WLAN_FSTYPE_RTS 0x0b +#define WLAN_FSTYPE_CTS 0x0c +#define WLAN_FSTYPE_ACK 0x0d +#define WLAN_FSTYPE_CFEND 0x0e +#define WLAN_FSTYPE_CFENDCFACK 0x0f + +/* Data */ +#define WLAN_FSTYPE_DATAONLY 0x00 +#define WLAN_FSTYPE_DATA_CFACK 0x01 +#define WLAN_FSTYPE_DATA_CFPOLL 0x02 +#define WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03 +#define WLAN_FSTYPE_NULL 0x04 +#define WLAN_FSTYPE_CFACK 0x05 +#define WLAN_FSTYPE_CFPOLL 0x06 +#define WLAN_FSTYPE_CFACK_CFPOLL 0x07 + +#ifdef __BIG_ENDIAN + +/* GET & SET Frame Control bit */ +#define WLAN_GET_FC_PRVER(n) (((u16)(n) >> 8) & (BIT0 | BIT1)) +#define WLAN_GET_FC_FTYPE(n) ((((u16)(n) >> 8) & (BIT2 | BIT3)) >> 2) +#define WLAN_GET_FC_FSTYPE(n) ((((u16)(n) >> 8) \ + & (BIT4|BIT5|BIT6|BIT7)) >> 4) +#define WLAN_GET_FC_TODS(n) ((((u16)(n) << 8) & (BIT8)) >> 8) +#define WLAN_GET_FC_FROMDS(n) ((((u16)(n) << 8) & (BIT9)) >> 9) +#define WLAN_GET_FC_MOREFRAG(n) ((((u16)(n) << 8) & (BIT10)) >> 10) +#define WLAN_GET_FC_RETRY(n) ((((u16)(n) << 8) & (BIT11)) >> 11) +#define WLAN_GET_FC_PWRMGT(n) ((((u16)(n) << 8) & (BIT12)) >> 12) +#define WLAN_GET_FC_MOREDATA(n) ((((u16)(n) << 8) & (BIT13)) >> 13) +#define WLAN_GET_FC_ISWEP(n) ((((u16)(n) << 8) & (BIT14)) >> 14) +#define WLAN_GET_FC_ORDER(n) ((((u16)(n) << 8) & (BIT15)) >> 15) + +/* Sequence Field bit */ +#define WLAN_GET_SEQ_FRGNUM(n) (((u16)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3)) +#define WLAN_GET_SEQ_SEQNUM(n) ((((u16)(n) >> 8) \ + & (~(BIT0|BIT1|BIT2|BIT3))) >> 4) + +/* Capability Field bit */ +#define WLAN_GET_CAP_INFO_ESS(n) (((n) >> 8) & BIT0) +#define WLAN_GET_CAP_INFO_IBSS(n) ((((n) >> 8) & BIT1) >> 1) +#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) ((((n) >> 8) & BIT2) >> 2) +#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) ((((n) >> 8) & BIT3) >> 3) +#define WLAN_GET_CAP_INFO_PRIVACY(n) ((((n) >> 8) & BIT4) >> 4) +#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) ((((n) >> 8) & BIT5) >> 5) +#define WLAN_GET_CAP_INFO_PBCC(n) ((((n) >> 8) & BIT6) >> 6) +#define WLAN_GET_CAP_INFO_AGILITY(n) ((((n) >> 8) & BIT7) >> 7) +#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) ((((n)) & BIT8) >> 10) +#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) ((((n)) & BIT10) >> 10) +#define WLAN_GET_CAP_INFO_DSSSOFDM(n) ((((n)) & BIT13) >> 13) +#define WLAN_GET_CAP_INFO_GRPACK(n) ((((n)) & BIT14) >> 14) + +#else + +/* GET & SET Frame Control bit */ +#define WLAN_GET_FC_PRVER(n) (((u16)(n)) & (BIT0 | BIT1)) +#define WLAN_GET_FC_FTYPE(n) ((((u16)(n)) & (BIT2 | BIT3)) >> 2) +#define WLAN_GET_FC_FSTYPE(n) ((((u16)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4) +#define WLAN_GET_FC_TODS(n) ((((u16)(n)) & (BIT8)) >> 8) +#define WLAN_GET_FC_FROMDS(n) ((((u16)(n)) & (BIT9)) >> 9) +#define WLAN_GET_FC_MOREFRAG(n) ((((u16)(n)) & (BIT10)) >> 10) +#define WLAN_GET_FC_RETRY(n) ((((u16)(n)) & (BIT11)) >> 11) +#define WLAN_GET_FC_PWRMGT(n) ((((u16)(n)) & (BIT12)) >> 12) +#define WLAN_GET_FC_MOREDATA(n) ((((u16)(n)) & (BIT13)) >> 13) +#define WLAN_GET_FC_ISWEP(n) ((((u16)(n)) & (BIT14)) >> 14) +#define WLAN_GET_FC_ORDER(n) ((((u16)(n)) & (BIT15)) >> 15) + +/* Sequence Field bit */ +#define WLAN_GET_SEQ_FRGNUM(n) (((u16)(n)) & (BIT0|BIT1|BIT2|BIT3)) +#define WLAN_GET_SEQ_SEQNUM(n) ((((u16)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4) + +/* Capability Field bit */ +#define WLAN_GET_CAP_INFO_ESS(n) ((n) & BIT0) +#define WLAN_GET_CAP_INFO_IBSS(n) (((n) & BIT1) >> 1) +#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) (((n) & BIT2) >> 2) +#define WLAN_GET_CAP_INFO_CFPOLLREQ(n) (((n) & BIT3) >> 3) +#define WLAN_GET_CAP_INFO_PRIVACY(n) (((n) & BIT4) >> 4) +#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) (((n) & BIT5) >> 5) +#define WLAN_GET_CAP_INFO_PBCC(n) (((n) & BIT6) >> 6) +#define WLAN_GET_CAP_INFO_AGILITY(n) (((n) & BIT7) >> 7) +#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n) (((n) & BIT8) >> 10) +#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) (((n) & BIT10) >> 10) +#define WLAN_GET_CAP_INFO_DSSSOFDM(n) (((n) & BIT13) >> 13) +#define WLAN_GET_CAP_INFO_GRPACK(n) (((n) & BIT14) >> 14) + +#endif /* #ifdef __BIG_ENDIAN */ + +#define WLAN_SET_CAP_INFO_ESS(n) (n) +#define WLAN_SET_CAP_INFO_IBSS(n) ((n) << 1) +#define WLAN_SET_CAP_INFO_CFPOLLABLE(n) ((n) << 2) +#define WLAN_SET_CAP_INFO_CFPOLLREQ(n) ((n) << 3) +#define WLAN_SET_CAP_INFO_PRIVACY(n) ((n) << 4) +#define WLAN_SET_CAP_INFO_SHORTPREAMBLE(n) ((n) << 5) +#define WLAN_SET_CAP_INFO_SPECTRUMMNG(n) ((n) << 8) +#define WLAN_SET_CAP_INFO_PBCC(n) ((n) << 6) +#define WLAN_SET_CAP_INFO_AGILITY(n) ((n) << 7) +#define WLAN_SET_CAP_INFO_SHORTSLOTTIME(n) ((n) << 10) +#define WLAN_SET_CAP_INFO_DSSSOFDM(n) ((n) << 13) +#define WLAN_SET_CAP_INFO_GRPACK(n) ((n) << 14) + +#define WLAN_SET_FC_PRVER(n) ((u16)(n)) +#define WLAN_SET_FC_FTYPE(n) (((u16)(n)) << 2) +#define WLAN_SET_FC_FSTYPE(n) (((u16)(n)) << 4) +#define WLAN_SET_FC_TODS(n) (((u16)(n)) << 8) +#define WLAN_SET_FC_FROMDS(n) (((u16)(n)) << 9) +#define WLAN_SET_FC_MOREFRAG(n) (((u16)(n)) << 10) +#define WLAN_SET_FC_RETRY(n) (((u16)(n)) << 11) +#define WLAN_SET_FC_PWRMGT(n) (((u16)(n)) << 12) +#define WLAN_SET_FC_MOREDATA(n) (((u16)(n)) << 13) +#define WLAN_SET_FC_ISWEP(n) (((u16)(n)) << 14) +#define WLAN_SET_FC_ORDER(n) (((u16)(n)) << 15) + +#define WLAN_SET_SEQ_FRGNUM(n) ((u16)(n)) +#define WLAN_SET_SEQ_SEQNUM(n) (((u16)(n)) << 4) + +/* ERP Field bit */ + +#define WLAN_GET_ERP_NONERP_PRESENT(n) ((n) & BIT0) +#define WLAN_GET_ERP_USE_PROTECTION(n) (((n) & BIT1) >> 1) +#define WLAN_GET_ERP_BARKER_MODE(n) (((n) & BIT2) >> 2) + +#define WLAN_SET_ERP_NONERP_PRESENT(n) (n) +#define WLAN_SET_ERP_USE_PROTECTION(n) ((n) << 1) +#define WLAN_SET_ERP_BARKER_MODE(n) ((n) << 2) + +/* Support & Basic Rates field */ +#define WLAN_MGMT_IS_BASICRATE(b) ((b) & BIT7) +#define WLAN_MGMT_GET_RATE(b) ((b) & ~BIT7) + +/* TIM field */ +#define WLAN_MGMT_IS_MULTICAST_TIM(b) ((b) & BIT0) +#define WLAN_MGMT_GET_TIM_OFFSET(b) (((b) & ~BIT0) >> 1) + +/* 3-Addr & 4-Addr */ +#define WLAN_HDR_A3_DATA_PTR(p) (((u8 *)(p)) + WLAN_HDR_ADDR3_LEN) +#define WLAN_HDR_A4_DATA_PTR(p) (((u8 *)(p)) + WLAN_HDR_ADDR4_LEN) + +/* IEEE ADDR */ +#define IEEE_ADDR_UNIVERSAL 0x02 +#define IEEE_ADDR_GROUP 0x01 + +typedef struct { + u8 abyAddr[6]; +} IEEE_ADDR, *PIEEE_ADDR; + +/* 802.11 Header Format */ + +typedef struct tagWLAN_80211HDR_A2 { + + u16 wFrameCtl; + u16 wDurationID; + u8 abyAddr1[WLAN_ADDR_LEN]; + u8 abyAddr2[WLAN_ADDR_LEN]; + +} __attribute__ ((__packed__)) +WLAN_80211HDR_A2, *PWLAN_80211HDR_A2; + +typedef struct tagWLAN_80211HDR_A3 { + + u16 wFrameCtl; + u16 wDurationID; + u8 abyAddr1[WLAN_ADDR_LEN]; + u8 abyAddr2[WLAN_ADDR_LEN]; + u8 abyAddr3[WLAN_ADDR_LEN]; + u16 wSeqCtl; + +} __attribute__ ((__packed__)) +WLAN_80211HDR_A3, *PWLAN_80211HDR_A3; + +typedef struct tagWLAN_80211HDR_A4 { + + u16 wFrameCtl; + u16 wDurationID; + u8 abyAddr1[WLAN_ADDR_LEN]; + u8 abyAddr2[WLAN_ADDR_LEN]; + u8 abyAddr3[WLAN_ADDR_LEN]; + u16 wSeqCtl; + u8 abyAddr4[WLAN_ADDR_LEN]; + +} __attribute__ ((__packed__)) +WLAN_80211HDR_A4, *PWLAN_80211HDR_A4; + +typedef union tagUWLAN_80211HDR { + + WLAN_80211HDR_A2 sA2; + WLAN_80211HDR_A3 sA3; + WLAN_80211HDR_A4 sA4; + +} UWLAN_80211HDR, *PUWLAN_80211HDR; + +#endif /* __80211HDR_H__ */ |