/*************************************************************************** * RT2x00 SourceForge Project - http://rt2x00.serialmonkey.com             * *                                                                         * *   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.             * *                                                                         * *   Licensed under the GNU GPL                                            * *   Original code supplied under license from RaLink Inc, 2004.           * ***************************************************************************//*************************************************************************** *	Module Name:	mlme.h * *	Abstract: * *	Revision History: *	Who		When		What *	--------	----------	----------------------------- *	John Chang	2003-08-28	Created *	John Chang	2004-09-06	modified for RT2600 * ***************************************************************************/#ifndef __MLME_H__#define __MLME_H__#include "oid.h"// maximum supported capability information -// ESS, IBSS, Privacy, Short Preamble, Spectrum mgmt, Short Slot#define SUPPORTED_CAPABILITY_INFO   0x0533#define END_OF_ARGS                 -1#define LFSR_MASK                   0x80000057#define MLME_TASK_EXEC_INTV         1000         // 1 sec//#define TBTT_PRELOAD_TIME         384          // usec. LomgPreamble + 24-byte at 1Mbps#define BEACON_LOST_TIME            (4*HZ)      // 2048 msec = 2 sec#define AUTH_TIMEOUT                300         // unit: msec#define ASSOC_TIMEOUT               300         // unit: msec#define JOIN_TIMEOUT                2000        // unit: msec#define MIN_CHANNEL_TIME            110         // unit: msec, for dual band scan#define MAX_CHANNEL_TIME            140         // unit: msec, for single band scan//#define	ACTIVE_SCAN_TIME		    30			// Active scan waiting for probe response time#define	FAST_ACTIVE_SCAN_TIME	    30 		    // Active scan waiting for probe response time#define CW_MIN_IN_BITS              4         // actual CwMin = 2^CW_MIN_IN_BITS - 1#define CW_MAX_IN_BITS              10        // actual CwMax = 2^CW_MAX_IN_BITS - 1// Note: RSSI_TO_DBM_OFFSET has been changed to variable for new RF (2004-0720).// SHould not refer to this constant anymore#define RSSI_TO_DBM_OFFSET          120 // for RT2530 RSSI-115 = dBm#define RSSI_FOR_MID_TX_POWER       -55  // -55 db is considered mid-distance#define RSSI_FOR_LOW_TX_POWER       -45  // -45 db is considered very short distance and                                        // eligible to use a lower TX power#define RSSI_FOR_LOWEST_TX_POWER    -30//#define MID_TX_POWER_DELTA          0   // 0 db from full TX power upon mid-distance to AP#define LOW_TX_POWER_DELTA          6    // -3 db from full TX power upon very short distance. 1 grade is 0.5 db#define LOWEST_TX_POWER_DELTA       16   // -8 db from full TX power upon shortest distance. 1 grade is 0.5 db#define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD     0#define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD   1#define RSSI_THRESHOLD_FOR_ROAMING              25#define RSSI_DELTA                              5// Channel Quality Indication#define CQI_IS_GOOD(cqi)            ((cqi) >= 50)//#define CQI_IS_FAIR(cqi)          (((cqi) >= 20) && ((cqi) < 50))#define CQI_IS_POOR(cqi)            (cqi < 50)  //(((cqi) >= 5) && ((cqi) < 20))#define CQI_IS_BAD(cqi)             (cqi < 5)#define CQI_IS_DEAD(cqi)            (cqi == 0)   //((cqi) < 5)// weighting factor to calculate Channel quality, total should be 100%#define RSSI_WEIGHTING                   50#define TX_WEIGHTING                     30#define RX_WEIGHTING                     20#define MAX_LEN_OF_BSS_TABLE             64#define BSS_NOT_FOUND                    0xFFFFFFFF#define SCAN_PASSIVE                     18#define SCAN_ACTIVE                      19#define FAST_SCAN_ACTIVE                 24		// scan with probe request, and wait beacon and probe response#define MAX_LEN_OF_MLME_QUEUE            20// bit definition of the 2-byte pBEACON->Capability field#define CAP_IS_ESS_ON(x)                 (((x) & 0x0001) != 0)#define CAP_IS_IBSS_ON(x)                (((x) & 0x0002) != 0)#define CAP_IS_CF_POLLABLE_ON(x)         (((x) & 0x0004) != 0)#define CAP_IS_CF_POLL_REQ_ON(x)         (((x) & 0x0008) != 0)#define CAP_IS_PRIVACY_ON(x)             (((x) & 0x0010) != 0)#define CAP_IS_SHORT_PREAMBLE_ON(x)      (((x) & 0x0020) != 0)#define CAP_IS_PBCC_ON(x)                (((x) & 0x0040) != 0)#define CAP_IS_AGILITY_ON(x)             (((x) & 0x0080) != 0)#define CAP_IS_SPECTRUM_MGMT(x)          (((x) & 0x0100) != 0)  // 802.11e d9#define CAP_IS_QOS(x)                    (((x) & 0x0200) != 0)  // 802.11e d9#define CAP_IS_SHORT_SLOT(x)             (((x) & 0x0400) != 0)#define CAP_IS_APSD(x)                   (((x) & 0x0800) != 0)  // 802.11e d9#define CAP_IS_IMMED_BA(x)               (((x) & 0x1000) != 0)  // 802.11e d9#define CAP_IS_DSSS_OFDM(x)              (((x) & 0x2000) != 0)#define CAP_IS_DELAY_BA(x)               (((x) & 0x4000) != 0)  // 802.11e d9#define CAP_GENERATE(ess,ibss,priv,s_pre,s_slot)  (((ess) ? 0x0001 : 0x0000) | ((ibss) ? 0x0002 : 0x0000) | ((priv) ? 0x0010 : 0x0000) | ((s_pre) ? 0x0020 : 0x0000) | ((s_slot) ? 0x0400 : 0x0000))#define STA_QOS_CAPABILITY               0 // 1-byte. see 802.11e d9.0 for bit definition#define ERP_IS_NON_ERP_PRESENT(x)        (((x) & 0x01) != 0)    // 802.11g#define ERP_IS_USE_PROTECTION(x)         (((x) & 0x02) != 0)    // 802.11g#define ERP_IS_USE_BARKER_PREAMBLE(x)    (((x) & 0x04) != 0)    // 802.11g#define DRS_TX_QUALITY_WORST_BOUND       3#define DRS_PENALTY                      8//// 802.11 frame formats//// 2-byte QOS CONTROL fieldtypedef struct PACKED {#ifdef BIG_ENDIAN    USHORT      Txop_QueueSize:8;    USHORT      Rsv:1;    USHORT      AckPolicy:2;    USHORT      EOSP:1;    USHORT      TID:4;#else    USHORT      TID:4;    USHORT      EOSP:1;    USHORT      AckPolicy:2;    USHORT      Rsv:1;    USHORT      Txop_QueueSize:8;#endif} QOS_CONTROL, *PQOS_CONTROL;// 2-byte Frame control fieldtypedef	struct	PACKED {#ifdef BIG_ENDIAN    USHORT		Order:1;    USHORT		Wep:1;    USHORT		MoreData:1;    USHORT		PwrMgmt:1;    USHORT		Retry:1;    USHORT		MoreFrag:1;    USHORT		FrDs:1;    USHORT		ToDs:1;    USHORT		SubType:4;    USHORT		Type:2;    USHORT		Ver:2;#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}	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 BIG_ENDIAN    USHORT    		Sequence:12;    USHORT    		Frag:4;#else	USHORT			Frag:4;	USHORT			Sequence:12;#endif}	HEADER_802_11, *PHEADER_802_11;typedef struct PACKED _FRAME_802_11 {    HEADER_802_11   Hdr;    CHAR            Octet[1];}   FRAME_802_11, *PFRAME_802_11;typedef struct _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;//// Contention-free parameter (without ID and Length)//typedef struct PACKED {    BOOLEAN     bValid;         // 1: variable contains valid value    UCHAR       CfpCount;    UCHAR       CfpPeriod;    USHORT      CfpMaxDuration;    USHORT      CfpDurRemaining;} CF_PARM, *PCF_PARM;typedef	struct	_CIPHER_SUITE	{	NDIS_802_11_ENCRYPTION_STATUS	PairCipher;		// Unicast cipher 1, this one has more secured cipher suite	NDIS_802_11_ENCRYPTION_STATUS	PairCipherAux;	// Unicast cipher 2 if AP announce two unicast cipher suite	NDIS_802_11_ENCRYPTION_STATUS	GroupCipher;	// Group cipher	USHORT							RsnCapability;	// RSN capability from beacon	BOOLEAN							bMixMode;		// Indicate Pair & Group cipher might be different