147 lines
5.6 KiB
C
147 lines
5.6 KiB
C
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/*
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*************************************************************************
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* Ralink Tech Inc.
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* 5F., No.36, Taiyuan St., Jhubei City,
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* Hsinchu County 302,
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* Taiwan, R.O.C.
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*
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* (c) Copyright 2002-2007, Ralink Technology, Inc.
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*
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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*************************************************************************
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*/
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#ifndef __DOT11_BASE_H__
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#define __DOT11_BASE_H__
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#include "rtmp_type.h"
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// 4-byte HTC field. maybe included in any frame except non-QOS data frame. The Order bit must set 1.
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typedef struct PACKED {
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#ifdef RT_BIG_ENDIAN
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UINT32 RDG:1; //RDG / More PPDU
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UINT32 ACConstraint:1; //feedback request
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UINT32 rsv:5; //calibration sequence
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UINT32 ZLFAnnouce:1; // ZLF announcement
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UINT32 CSISTEERING:2; //CSI/ STEERING
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UINT32 FBKReq:2; //feedback request
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UINT32 CalSeq:2; //calibration sequence
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UINT32 CalPos:2; // calibration position
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UINT32 MFBorASC:7; //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
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UINT32 MFS:3; //SET to the received value of MRS. 0x111 for unsolicited MFB.
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UINT32 MRSorASI:3; // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
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UINT32 MRQ:1; //MCS feedback. Request for a MCS feedback
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UINT32 TRQ:1; //sounding request
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UINT32 MA:1; //management action payload exist in (QoS Null+HTC)
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#else
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UINT32 MA:1; //management action payload exist in (QoS Null+HTC)
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UINT32 TRQ:1; //sounding request
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UINT32 MRQ:1; //MCS feedback. Request for a MCS feedback
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UINT32 MRSorASI:3; // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
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UINT32 MFS:3; //SET to the received value of MRS. 0x111 for unsolicited MFB.
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UINT32 MFBorASC:7; //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
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UINT32 CalPos:2; // calibration position
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UINT32 CalSeq:2; //calibration sequence
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UINT32 FBKReq:2; //feedback request
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UINT32 CSISTEERING:2; //CSI/ STEERING
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UINT32 ZLFAnnouce:1; // ZLF announcement
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UINT32 rsv:5; //calibration sequence
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UINT32 ACConstraint:1; //feedback request
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UINT32 RDG:1; //RDG / More PPDU
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#endif /* !RT_BIG_ENDIAN */
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} HT_CONTROL, *PHT_CONTROL;
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// 2-byte QOS CONTROL field
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typedef struct PACKED {
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#ifdef RT_BIG_ENDIAN
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USHORT Txop_QueueSize:8;
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USHORT AMsduPresent:1;
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USHORT AckPolicy:2; //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP 3: BA
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USHORT EOSP:1;
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USHORT TID:4;
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#else
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USHORT TID:4;
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USHORT EOSP:1;
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USHORT AckPolicy:2; //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP 3: BA
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USHORT AMsduPresent:1;
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USHORT Txop_QueueSize:8;
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#endif /* !RT_BIG_ENDIAN */
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} QOS_CONTROL, *PQOS_CONTROL;
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// 2-byte Frame control field
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typedef struct PACKED {
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#ifdef RT_BIG_ENDIAN
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USHORT Order:1; // Strict order expected
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USHORT Wep:1; // Wep data
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USHORT MoreData:1; // More data bit
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USHORT PwrMgmt:1; // Power management bit
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USHORT Retry:1; // Retry status bit
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USHORT MoreFrag:1; // More fragment bit
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USHORT FrDs:1; // From DS indication
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USHORT ToDs:1; // To DS indication
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USHORT SubType:4; // MSDU subtype
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USHORT Type:2; // MSDU type
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USHORT Ver:2; // Protocol version
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#else
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USHORT Ver:2; // Protocol version
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USHORT Type:2; // MSDU type
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USHORT SubType:4; // MSDU subtype
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USHORT ToDs:1; // To DS indication
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USHORT FrDs:1; // From DS indication
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USHORT MoreFrag:1; // More fragment bit
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USHORT Retry:1; // Retry status bit
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USHORT PwrMgmt:1; // Power management bit
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USHORT MoreData:1; // More data bit
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USHORT Wep:1; // Wep data
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USHORT Order:1; // Strict order expected
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#endif /* !RT_BIG_ENDIAN */
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} FRAME_CONTROL, *PFRAME_CONTROL;
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typedef struct PACKED _HEADER_802_11 {
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FRAME_CONTROL FC;
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USHORT Duration;
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UCHAR Addr1[MAC_ADDR_LEN];
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UCHAR Addr2[MAC_ADDR_LEN];
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UCHAR Addr3[MAC_ADDR_LEN];
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#ifdef RT_BIG_ENDIAN
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USHORT Sequence:12;
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USHORT Frag:4;
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#else
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USHORT Frag:4;
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USHORT Sequence:12;
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#endif /* !RT_BIG_ENDIAN */
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UCHAR Octet[0];
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} HEADER_802_11, *PHEADER_802_11;
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typedef struct PACKED _PSPOLL_FRAME {
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FRAME_CONTROL FC;
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USHORT Aid;
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UCHAR Bssid[MAC_ADDR_LEN];
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UCHAR Ta[MAC_ADDR_LEN];
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} PSPOLL_FRAME, *PPSPOLL_FRAME;
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typedef struct PACKED _RTS_FRAME {
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FRAME_CONTROL FC;
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USHORT Duration;
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UCHAR Addr1[MAC_ADDR_LEN];
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UCHAR Addr2[MAC_ADDR_LEN];
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}RTS_FRAME, *PRTS_FRAME;
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#endif // __DOT11_BASE_H__ //
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