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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. */
struct PACKED rt_ht_control {
u32 MA:1; /*management action payload exist in (QoS Null+HTC) */
u32 TRQ:1; /*sounding request */
u32 MRQ:1; /*MCS feedback. Request for a MCS feedback */
u32 MRSorASI:3; /* MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110. */
u32 MFS:3; /*SET to the received value of MRS. 0x111 for unsolicited MFB. */
u32 MFBorASC:7; /*Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available */
u32 CalPos:2; /* calibration position */
u32 CalSeq:2; /*calibration sequence */
u32 FBKReq:2; /*feedback request */
u32 CSISTEERING:2; /*CSI/ STEERING */
u32 ZLFAnnouce:1; /* ZLF announcement */
u32 rsv:5; /*calibration sequence */
u32 ACConstraint:1; /*feedback request */
u32 RDG:1; /*RDG / More PPDU */
};
/* 2-byte QOS CONTROL field */
struct PACKED rt_qos_control {
u16 TID:4;
u16 EOSP:1;
u16 AckPolicy:2; /*0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP 3: BA */
u16 AMsduPresent:1;
u16 Txop_QueueSize:8;
};
/* 2-byte Frame control field */
struct PACKED rt_frame_control {
u16 Ver:2; /* Protocol version */
u16 Type:2; /* MSDU type */
u16 SubType:4; /* MSDU subtype */
u16 ToDs:1; /* To DS indication */
u16 FrDs:1; /* From DS indication */
u16 MoreFrag:1; /* More fragment bit */
u16 Retry:1; /* Retry status bit */
u16 PwrMgmt:1; /* Power management bit */
u16 MoreData:1; /* More data bit */
u16 Wep:1; /* Wep data */
u16 Order:1; /* Strict order expected */
};
struct PACKED rt_header_802_11 {
struct rt_frame_control FC;
u16 Duration;
u8 Addr1[MAC_ADDR_LEN];
u8 Addr2[MAC_ADDR_LEN];
u8 Addr3[MAC_ADDR_LEN];
u16 Frag:4;
u16 Sequence:12;
u8 Octet[0];
};
struct PACKED rt_pspoll_frame {
struct rt_frame_control FC;
u16 Aid;
u8 Bssid[MAC_ADDR_LEN];
u8 Ta[MAC_ADDR_LEN];
};
struct PACKED rt_rts_frame {
struct rt_frame_control FC;
u16 Duration;
u8 Addr1[MAC_ADDR_LEN];
u8 Addr2[MAC_ADDR_LEN];
};
#endif /* __DOT11_BASE_H__ // */
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