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