text: /*
   *************************************************************************
   * Ralink Tech Inc.
   * 5F., No.36, Taiyuan St., Jhubei City,
   * Hsinchu County 302,
   * Taiwan, R.O.C.
   *
   * (c) Copyright 2002-2010, 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 GNU_PACKED _HT_CONTROL{
  #ifdef RT_BIG_ENDIAN
  	UINT32 RDG:1;		/*RDG / More PPDU */
  	UINT32 ACConstraint:1;	/*feedback request */
  	UINT32 rsv2:5;		/*calibration sequence */
  	UINT32 NDPAnnounce:1;	/* ZLF announcement */
  	UINT32 CSISTEERING:2;	/*CSI/ STEERING */
  	UINT32 rsv1:2;		/* Reserved */
  	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 MFSI:3;		/*SET to the received value of MRS. 0x111 for unsolicited MFB. */
  	UINT32 MSI:3;		/*MCS Request, MRQ Sequence identifier */
  	UINT32 MRQ:1;		/*MCS feedback. Request for a MCS feedback */
  	UINT32 TRQ:1;		/*sounding request */
  	UINT32 rsv:1;		/* Reserved */
  #else
  	UINT32 rsv:1;		/* Reserved */
  	UINT32 TRQ:1;		/*sounding request */
  	UINT32 MRQ:1;		/*MCS feedback. Request for a MCS feedback */
  	UINT32 MSI:3;		/*MCS Request, MRQ Sequence identifier */
  	UINT32 MFSI: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 rsv1:2;		/* Reserved */
  	UINT32 CSISTEERING:2;	/*CSI/ STEERING */
  	UINT32 NDPAnnounce:1;	/* ZLF announcement */
  	UINT32 rsv2:5;		/*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 GNU_PACKED _QOS_CONTROL{
  #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;
  
  
  typedef struct GNU_PACKED _PSPOLL_FRAME {
  	FRAME_CONTROL FC;
  	USHORT Aid;
  	UCHAR Bssid[MAC_ADDR_LEN];
  	UCHAR Ta[MAC_ADDR_LEN];
  } PSPOLL_FRAME, *PPSPOLL_FRAME;
  
  typedef struct GNU_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__ */
  