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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
*/
#ifndef __DOT11_BASE_H__
#define __DOT11_BASE_H__
#include "rtmp_type.h"
// 4-byte HTC field. maybe included in any frame except non-QOS data frame. The Order bit must set 1.
typedef struct PACKED {
#ifdef RT_BIG_ENDIAN
UINT32 RDG:1; //RDG / More PPDU
UINT32 ACConstraint:1; //feedback request
UINT32 rsv:5; //calibration sequence
UINT32 ZLFAnnouce:1; // ZLF announcement
UINT32 CSISTEERING:2; //CSI/ STEERING
UINT32 FBKReq:2; //feedback request
UINT32 CalSeq:2; //calibration sequence
UINT32 CalPos:2; // calibration position
UINT32 MFBorASC:7; //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
UINT32 MFS:3; //SET to the received value of MRS. 0x111 for unsolicited MFB.
UINT32 MRSorASI:3; // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
UINT32 MRQ:1; //MCS feedback. Request for a MCS feedback
UINT32 TRQ:1; //sounding request
UINT32 MA:1; //management action payload exist in (QoS Null+HTC)
#else
UINT32 MA:1; //management action payload exist in (QoS Null+HTC)
UINT32 TRQ:1; //sounding request
UINT32 MRQ:1; //MCS feedback. Request for a MCS feedback
UINT32 MRSorASI:3; // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
UINT32 MFS:3; //SET to the received value of MRS. 0x111 for unsolicited MFB.
UINT32 MFBorASC:7; //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
UINT32 CalPos:2; // calibration position
UINT32 CalSeq:2; //calibration sequence
UINT32 FBKReq:2; //feedback request
UINT32 CSISTEERING:2; //CSI/ STEERING
UINT32 ZLFAnnouce:1; // ZLF announcement
UINT32 rsv:5; //calibration sequence
UINT32 ACConstraint:1; //feedback request
UINT32 RDG:1; //RDG / More PPDU
#endif /* !RT_BIG_ENDIAN */
} HT_CONTROL, *PHT_CONTROL;
// 2-byte QOS CONTROL field
typedef struct PACKED {
#ifdef RT_BIG_ENDIAN
USHORT Txop_QueueSize:8;
USHORT AMsduPresent:1;
USHORT AckPolicy:2; //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP 3: BA
USHORT EOSP:1;
USHORT TID:4;
#else
USHORT TID:4;
USHORT EOSP:1;
USHORT AckPolicy:2; //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP 3: BA
USHORT AMsduPresent:1;
USHORT Txop_QueueSize:8;
#endif /* !RT_BIG_ENDIAN */
} QOS_CONTROL, *PQOS_CONTROL;
// 2-byte Frame control field
typedef struct PACKED {
#ifdef RT_BIG_ENDIAN
USHORT Order:1; // Strict order expected
USHORT Wep:1; // Wep data
USHORT MoreData:1; // More data bit
USHORT PwrMgmt:1; // Power management bit
USHORT Retry:1; // Retry status bit
USHORT MoreFrag:1; // More fragment bit
USHORT FrDs:1; // From DS indication
USHORT ToDs:1; // To DS indication
USHORT SubType:4; // MSDU subtype
USHORT Type:2; // MSDU type
USHORT Ver:2; // Protocol version
#else
USHORT Ver:2; // Protocol version
USHORT Type:2; // MSDU type
USHORT SubType:4; // MSDU subtype
USHORT ToDs:1; // To DS indication
USHORT FrDs:1; // From DS indication
USHORT MoreFrag:1; // More fragment bit
USHORT Retry:1; // Retry status bit
USHORT PwrMgmt:1; // Power management bit
USHORT MoreData:1; // More data bit
USHORT Wep:1; // Wep data
USHORT Order:1; // Strict order expected
#endif /* !RT_BIG_ENDIAN */
} FRAME_CONTROL, *PFRAME_CONTROL;
typedef struct PACKED _HEADER_802_11 {
FRAME_CONTROL FC;
USHORT Duration;
UCHAR Addr1[MAC_ADDR_LEN];
UCHAR Addr2[MAC_ADDR_LEN];
UCHAR Addr3[MAC_ADDR_LEN];
#ifdef RT_BIG_ENDIAN
USHORT Sequence:12;
USHORT Frag:4;
#else
USHORT Frag:4;
USHORT Sequence:12;
#endif /* !RT_BIG_ENDIAN */
UCHAR Octet[0];
} HEADER_802_11, *PHEADER_802_11;
typedef struct PACKED _PSPOLL_FRAME {
FRAME_CONTROL FC;
USHORT Aid;
UCHAR Bssid[MAC_ADDR_LEN];
UCHAR Ta[MAC_ADDR_LEN];
} PSPOLL_FRAME, *PPSPOLL_FRAME;
typedef struct PACKED _RTS_FRAME {
FRAME_CONTROL FC;
USHORT Duration;
UCHAR Addr1[MAC_ADDR_LEN];
UCHAR Addr2[MAC_ADDR_LEN];
}RTS_FRAME, *PRTS_FRAME;
#endif // __DOT11_BASE_H__ //
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