| /* |
| ************************************************************************* |
| * 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__ // |
