mac_structures.h

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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// MAC_Structures.h
//
// This file contains the definitions and data structures used by SW-MAC.
//
// Revision Histoy
//=================
// 0.1      2002        UN00
// 0.2      20021004    PD43 CCLiu6
//          20021018    PD43 CCLiu6
//                      Add enum_TxRate type
//                      Modify enum_STAState type
// 0.3      20021023    PE23 CYLiu update MAC session struct
//          20021108
//          20021122    PD43 Austin
//                      Deleted some unused.
//          20021129    PD43 Austin
//          20030617    increase the 802.11g definition
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

#ifndef _MAC_Structures_H_
#define _MAC_Structures_H_

#define MAC_ADDR_LENGTH                     6

/* ========================================================
// 802.11 Frame define
//----- */
#define DOT_11_MAC_HEADER_SIZE      24
#define DOT_11_SNAP_SIZE            6
#define DOT_11_DURATION_OFFSET      2
/* Sequence control offset */
#define DOT_11_SEQUENCE_OFFSET      22
/* The start offset of 802.11 Frame// */
#define DOT_11_TYPE_OFFSET          30
#define DOT_11_DATA_OFFSET          24
#define DOT_11_DA_OFFSET            4

#define MAX_ETHERNET_PACKET_SIZE        1514

/* -----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST    0x00
#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE   0x10
#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST  0x20
#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST    0x40
#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE   0x50
#define MAC_SUBTYPE_MNGMNT_BEACON           0x80
#define MAC_SUBTYPE_MNGMNT_ATIM             0x90
#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION   0xA0
#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION   0xB0
#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0

#define RATE_AUTO                   0
#define RATE_1M                     2
#define RATE_2M                     4
#define RATE_5dot5M                 11
#define RATE_6M                     12
#define RATE_9M                     18
#define RATE_11M                    22
#define RATE_12M                    24
#define RATE_18M                    36
#define RATE_22M                    44
#define RATE_24M                    48
#define RATE_33M                    66
#define RATE_36M                    72
#define RATE_48M                    96
#define RATE_54M                    108
#define RATE_MAX                    255

#endif /* _MAC_Structure_H_ */