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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. *
+ * *
+ *************************************************************************
+
+ 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__
+
+// 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 100/*200*/ //
+#define LEAD_TIME 5
+#define MLME_TASK_EXEC_MULTIPLE 10 /*5*/ // MLME_TASK_EXEC_MULTIPLE * MLME_TASK_EXEC_INTV = 1 sec
+#define REORDER_EXEC_INTV 100 // 0.1 sec
+
+// The definition of Radar detection duration region
+#define CE 0
+#define FCC 1
+#define JAP 2
+#define JAP_W53 3
+#define JAP_W56 4
+#define MAX_RD_REGION 5
+
+#ifdef NDIS51_MINIPORT
+#define BEACON_LOST_TIME 4000 // 2048 msec = 2 sec
+#else
+#define BEACON_LOST_TIME 4 * OS_HZ // 2048 msec = 2 sec
+#endif
+
+#define DLS_TIMEOUT 1200 // unit: msec
+#define AUTH_TIMEOUT 300 // unit: msec
+#define ASSOC_TIMEOUT 300 // unit: msec
+#define JOIN_TIMEOUT 2 * OS_HZ // unit: msec
+#define SHORT_CHANNEL_TIME 90 // 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 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
+
+
+#ifdef CONFIG_STA_SUPPORT
+#ifndef CONFIG_AP_SUPPORT
+#define CW_MAX_IN_BITS 10 // actual CwMax = 2^CW_MAX_IN_BITS - 1
+#endif
+#endif // CONFIG_STA_SUPPORT //
+
+#ifdef CONFIG_APSTA_MIXED_SUPPORT
+extern UINT32 CW_MAX_IN_BITS;
+#endif // CONFIG_APSTA_MIXED_SUPPORT //
+
+// 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)
+
+// weighting factor to calculate Channel quality, total should be 100%
+#define RSSI_WEIGHTING 50
+#define TX_WEIGHTING 30
+#define RX_WEIGHTING 20
+
+#define BSS_NOT_FOUND 0xFFFFFFFF
+
+
+#ifdef CONFIG_STA_SUPPORT
+#define MAX_LEN_OF_MLME_QUEUE 40 //10
+#endif // CONFIG_STA_SUPPORT //
+
+#define SCAN_PASSIVE 18 // scan with no probe request, only wait beacon and probe response
+#define SCAN_ACTIVE 19 // scan with probe request, and wait beacon and probe response
+#define SCAN_CISCO_PASSIVE 20 // Single channel passive scan
+#define SCAN_CISCO_ACTIVE 21 // Single channel active scan
+#define SCAN_CISCO_NOISE 22 // Single channel passive scan for noise histogram collection
+#define SCAN_CISCO_CHANNEL_LOAD 23 // Single channel passive scan for channel load collection
+#define FAST_SCAN_ACTIVE 24 // scan with probe request, and wait beacon and probe response
+
+#ifdef DOT11N_DRAFT3
+#define SCAN_2040_BSS_COEXIST 26
+#endif // DOT11N_DRAFT3 //
+
+#define MAC_ADDR_IS_GROUP(Addr) (((Addr[0]) & 0x01))
+#define MAC_ADDR_HASH(Addr) (Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
+#define MAC_ADDR_HASH_INDEX(Addr) (MAC_ADDR_HASH(Addr) % HASH_TABLE_SIZE)
+#define TID_MAC_HASH(Addr,TID) (TID^Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
+#define TID_MAC_HASH_INDEX(Addr,TID) (TID_MAC_HASH(Addr,TID) % HASH_TABLE_SIZE)
+
+// LED Control
+// assoiation ON. one LED ON. another blinking when TX, OFF when idle
+// no association, both LED off
+#define ASIC_LED_ACT_ON(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00031e46)
+#define ASIC_LED_ACT_OFF(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00001e46)
+
+// 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,spectrum) (((ess) ? 0x0001 : 0x0000) | ((ibss) ? 0x0002 : 0x0000) | ((priv) ? 0x0010 : 0x0000) | ((s_pre) ? 0x0020 : 0x0000) | ((s_slot) ? 0x0400 : 0x0000) | ((spectrum) ? 0x0100 : 0x0000))
+
+#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 8// 3 // just test by gary
+#define DRS_PENALTY 8
+
+#define BA_NOTUSE 2
+//BA Policy subfiled value in ADDBA frame
+#define IMMED_BA 1
+#define DELAY_BA 0
+
+// BA Initiator subfield in DELBA frame
+#define ORIGINATOR 1
+#define RECIPIENT 0
+
+// ADDBA Status Code
+#define ADDBA_RESULTCODE_SUCCESS 0
+#define ADDBA_RESULTCODE_REFUSED 37
+#define ADDBA_RESULTCODE_INVALID_PARAMETERS 38
+
+// DELBA Reason Code
+#define DELBA_REASONCODE_QSTA_LEAVING 36
+#define DELBA_REASONCODE_END_BA 37
+#define DELBA_REASONCODE_UNKNOWN_BA 38
+#define DELBA_REASONCODE_TIMEOUT 39
+
+// reset all OneSecTx counters
+#define RESET_ONE_SEC_TX_CNT(__pEntry) \
+if (((__pEntry)) != NULL) \
+{ \
+ (__pEntry)->OneSecTxRetryOkCount = 0; \
+ (__pEntry)->OneSecTxFailCount = 0; \
+ (__pEntry)->OneSecTxNoRetryOkCount = 0; \
+}
+
+//
+// 802.11 frame formats
+//
+// HT Capability INFO field in HT Cap IE .
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT LSIGTxopProSup:1;
+ USHORT Forty_Mhz_Intolerant:1;
+ USHORT PSMP:1;
+ USHORT CCKmodein40:1;
+ USHORT AMsduSize:1;
+ USHORT DelayedBA:1; //rt2860c not support
+ USHORT RxSTBC:2;
+ USHORT TxSTBC:1;
+ USHORT ShortGIfor40:1; //for40MHz
+ USHORT ShortGIfor20:1;
+ USHORT GF:1; //green field
+ USHORT MimoPs:2;//momi power safe
+ USHORT ChannelWidth:1;
+ USHORT AdvCoding:1;
+#else
+ USHORT AdvCoding:1;
+ USHORT ChannelWidth:1;
+ USHORT MimoPs:2;//momi power safe
+ USHORT GF:1; //green field
+ USHORT ShortGIfor20:1;
+ USHORT ShortGIfor40:1; //for40MHz
+ USHORT TxSTBC:1;
+ USHORT RxSTBC:2;
+ USHORT DelayedBA:1; //rt2860c not support
+ USHORT AMsduSize:1; // only support as zero
+ USHORT CCKmodein40:1;
+ USHORT PSMP:1;
+ USHORT Forty_Mhz_Intolerant:1;
+ USHORT LSIGTxopProSup:1;
+#endif /* !RT_BIG_ENDIAN */
+} HT_CAP_INFO, *PHT_CAP_INFO;
+
+// HT Capability INFO field in HT Cap IE .
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ UCHAR rsv:3;//momi power safe
+ UCHAR MpduDensity:3;
+ UCHAR MaxRAmpduFactor:2;
+#else
+ UCHAR MaxRAmpduFactor:2;
+ UCHAR MpduDensity:3;
+ UCHAR rsv:3;//momi power safe
+#endif /* !RT_BIG_ENDIAN */
+} HT_CAP_PARM, *PHT_CAP_PARM;
+
+// HT Capability INFO field in HT Cap IE .
+typedef struct PACKED {
+ UCHAR MCSSet[10];
+ UCHAR SupRate[2]; // unit : 1Mbps
+#ifdef RT_BIG_ENDIAN
+ UCHAR rsv:3;
+ UCHAR MpduDensity:1;
+ UCHAR TxStream:2;
+ UCHAR TxRxNotEqual:1;
+ UCHAR TxMCSSetDefined:1;
+#else
+ UCHAR TxMCSSetDefined:1;
+ UCHAR TxRxNotEqual:1;
+ UCHAR TxStream:2;
+ UCHAR MpduDensity:1;
+ UCHAR rsv:3;
+#endif // RT_BIG_ENDIAN //
+ UCHAR rsv3[3];
+} HT_MCS_SET, *PHT_MCS_SET;
+
+// HT Capability INFO field in HT Cap IE .
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT rsv2:4;
+ USHORT RDGSupport:1; //reverse Direction Grant support
+ USHORT PlusHTC:1; //+HTC control field support
+ USHORT MCSFeedback:2; //0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback, 1:rsv.
+ USHORT rsv:5;//momi power safe
+ USHORT TranTime:2;
+ USHORT Pco:1;
+#else
+ USHORT Pco:1;
+ USHORT TranTime:2;
+ USHORT rsv:5;//momi power safe
+ USHORT MCSFeedback:2; //0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback, 1:rsv.
+ USHORT PlusHTC:1; //+HTC control field support
+ USHORT RDGSupport:1; //reverse Direction Grant support
+ USHORT rsv2:4;
+#endif /* RT_BIG_ENDIAN */
+} EXT_HT_CAP_INFO, *PEXT_HT_CAP_INFO;
+
+// HT Beamforming field in HT Cap IE .
+typedef struct PACKED _HT_BF_CAP{
+#ifdef RT_BIG_ENDIAN
+ ULONG rsv:3;
+ ULONG ChanEstimation:2;
+ ULONG CSIRowBFSup:2;
+ ULONG ComSteerBFAntSup:2;
+ ULONG NoComSteerBFAntSup:2;
+ ULONG CSIBFAntSup:2;
+ ULONG MinGrouping:2;
+ ULONG ExpComBF:2;
+ ULONG ExpNoComBF:2;
+ ULONG ExpCSIFbk:2;
+ ULONG ExpComSteerCapable:1;
+ ULONG ExpNoComSteerCapable:1;
+ ULONG ExpCSICapable:1;
+ ULONG Calibration:2;
+ ULONG ImpTxBFCapable:1;
+ ULONG TxNDPCapable:1;
+ ULONG RxNDPCapable:1;
+ ULONG TxSoundCapable:1;
+ ULONG RxSoundCapable:1;
+ ULONG TxBFRecCapable:1;
+#else
+ ULONG TxBFRecCapable:1;
+ ULONG RxSoundCapable:1;
+ ULONG TxSoundCapable:1;
+ ULONG RxNDPCapable:1;
+ ULONG TxNDPCapable:1;
+ ULONG ImpTxBFCapable:1;
+ ULONG Calibration:2;
+ ULONG ExpCSICapable:1;
+ ULONG ExpNoComSteerCapable:1;
+ ULONG ExpComSteerCapable:1;
+ ULONG ExpCSIFbk:2;
+ ULONG ExpNoComBF:2;
+ ULONG ExpComBF:2;
+ ULONG MinGrouping:2;
+ ULONG CSIBFAntSup:2;
+ ULONG NoComSteerBFAntSup:2;
+ ULONG ComSteerBFAntSup:2;
+ ULONG CSIRowBFSup:2;
+ ULONG ChanEstimation:2;
+ ULONG rsv:3;
+#endif // RT_BIG_ENDIAN //
+} HT_BF_CAP, *PHT_BF_CAP;
+
+// HT antenna selection field in HT Cap IE .
+typedef struct PACKED _HT_AS_CAP{
+#ifdef RT_BIG_ENDIAN
+ UCHAR rsv:1;
+ UCHAR TxSoundPPDU:1;
+ UCHAR RxASel:1;
+ UCHAR AntIndFbk:1;
+ UCHAR ExpCSIFbk:1;
+ UCHAR AntIndFbkTxASEL:1;
+ UCHAR ExpCSIFbkTxASEL:1;
+ UCHAR AntSelect:1;
+#else
+ UCHAR AntSelect:1;
+ UCHAR ExpCSIFbkTxASEL:1;
+ UCHAR AntIndFbkTxASEL:1;
+ UCHAR ExpCSIFbk:1;
+ UCHAR AntIndFbk:1;
+ UCHAR RxASel:1;
+ UCHAR TxSoundPPDU:1;
+ UCHAR rsv:1;
+#endif // RT_BIG_ENDIAN //
+} HT_AS_CAP, *PHT_AS_CAP;
+
+// Draft 1.0 set IE length 26, but is extensible..
+#define SIZE_HT_CAP_IE 26
+// The structure for HT Capability IE.
+typedef struct PACKED _HT_CAPABILITY_IE{
+ HT_CAP_INFO HtCapInfo;
+ HT_CAP_PARM HtCapParm;
+// HT_MCS_SET HtMCSSet;
+ UCHAR MCSSet[16];
+ EXT_HT_CAP_INFO ExtHtCapInfo;
+ HT_BF_CAP TxBFCap; // beamforming cap. rt2860c not support beamforming.
+ HT_AS_CAP ASCap; //antenna selection.
+} HT_CAPABILITY_IE, *PHT_CAPABILITY_IE;
+
+
+// 802.11n draft3 related structure definitions.
+// 7.3.2.60
+#define dot11OBSSScanPassiveDwell 20 // in TU. min amount of time that the STA continously scans each channel when performing an active OBSS scan.
+#define dot11OBSSScanActiveDwell 10 // in TU.min amount of time that the STA continously scans each channel when performing an passive OBSS scan.
+#define dot11BSSWidthTriggerScanInterval 300 // in sec. max interval between scan operations to be performed to detect BSS channel width trigger events.
+#define dot11OBSSScanPassiveTotalPerChannel 200 // in TU. min total amount of time that the STA scans each channel when performing a passive OBSS scan.
+#define dot11OBSSScanActiveTotalPerChannel 20 //in TU. min total amount of time that the STA scans each channel when performing a active OBSS scan
+#define dot11BSSWidthChannelTransactionDelayFactor 5 // min ratio between the delay time in performing a switch from 20MHz BSS to 20/40 BSS operation and the maxima
+ // interval between overlapping BSS scan operations.
+#define dot11BSSScanActivityThreshold 25 // in %%, max total time that a STA may be active on the medium during a period of
+ // (dot11BSSWidthChannelTransactionDelayFactor * dot11BSSWidthTriggerScanInterval) seconds without
+ // being obligated to perform OBSS Scan operations. default is 25(== 0.25%)
+
+typedef struct PACKED _OVERLAP_BSS_SCAN_IE{
+ USHORT ScanPassiveDwell;
+ USHORT ScanActiveDwell;
+ USHORT TriggerScanInt; // Trigger scan interval
+ USHORT PassiveTalPerChannel; // passive total per channel
+ USHORT ActiveTalPerChannel; // active total per channel
+ USHORT DelayFactor; // BSS width channel transition delay factor
+ USHORT ScanActThre; // Scan Activity threshold
+}OVERLAP_BSS_SCAN_IE, *POVERLAP_BSS_SCAN_IE;
+
+
+// 7.3.2.56. 20/40 Coexistence element used in Element ID = 72 = IE_2040_BSS_COEXIST
+typedef union PACKED _BSS_2040_COEXIST_IE{
+ struct PACKED {
+ #ifdef RT_BIG_ENDIAN
+ UCHAR rsv:5;
+ UCHAR BSS20WidthReq:1;
+ UCHAR Intolerant40:1;
+ UCHAR InfoReq:1;
+ #else
+ UCHAR InfoReq:1;
+ UCHAR Intolerant40:1; // Inter-BSS. set 1 when prohibits a receiving BSS from operating as a 20/40 Mhz BSS.
+ UCHAR BSS20WidthReq:1; // Intra-BSS set 1 when prohibits a receiving AP from operating its BSS as a 20/40MHz BSS.
+ UCHAR rsv:5;
+#endif // RT_BIG_ENDIAN //
+ } field;
+ UCHAR word;
+} BSS_2040_COEXIST_IE, *PBSS_2040_COEXIST_IE;
+
+
+typedef struct _TRIGGER_EVENTA{
+ BOOLEAN bValid;
+ UCHAR BSSID[6];
+ UCHAR RegClass; // Regulatory Class
+ USHORT Channel;
+ ULONG CDCounter; // Maintain a seperate count down counter for each Event A.
+} TRIGGER_EVENTA, *PTRIGGER_EVENTA;
+
+// 20/40 trigger event table
+// If one Event A delete or created, or if Event B is detected or not detected, STA should send 2040BSSCoexistence to AP.
+#define MAX_TRIGGER_EVENT 64
+typedef struct _TRIGGER_EVENT_TAB{
+ UCHAR EventANo;
+ TRIGGER_EVENTA EventA[MAX_TRIGGER_EVENT];
+ ULONG EventBCountDown; // Count down counter for Event B.
+} TRIGGER_EVENT_TAB, *PTRIGGER_EVENT_TAB;
+
+// 7.3.27 20/40 Bss Coexistence Mgmt capability used in extended capabilities information IE( ID = 127 = IE_EXT_CAPABILITY).
+// This is the first octet and was defined in 802.11n D3.03 and 802.11yD9.0
+typedef struct PACKED _EXT_CAP_INFO_ELEMENT{
+#ifdef RT_BIG_ENDIAN
+ UCHAR rsv2:5;
+ UCHAR ExtendChannelSwitch:1;
+ UCHAR rsv:1;
+ UCHAR BssCoexistMgmtSupport:1;
+#else
+ UCHAR BssCoexistMgmtSupport:1;
+ UCHAR rsv:1;
+ UCHAR ExtendChannelSwitch:1;
+ UCHAR rsv2:5;
+#endif // RT_BIG_ENDIAN //
+}EXT_CAP_INFO_ELEMENT, *PEXT_CAP_INFO_ELEMENT;
+
+
+// 802.11n 7.3.2.61
+typedef struct PACKED _BSS_2040_COEXIST_ELEMENT{
+ UCHAR ElementID; // ID = IE_2040_BSS_COEXIST = 72
+ UCHAR Len;
+ BSS_2040_COEXIST_IE BssCoexistIe;
+}BSS_2040_COEXIST_ELEMENT, *PBSS_2040_COEXIST_ELEMENT;
+
+
+//802.11n 7.3.2.59
+typedef struct PACKED _BSS_2040_INTOLERANT_CH_REPORT{
+ UCHAR ElementID; // ID = IE_2040_BSS_INTOLERANT_REPORT = 73
+ UCHAR Len;
+ UCHAR RegulatoryClass;
+ UCHAR ChList[0];
+}BSS_2040_INTOLERANT_CH_REPORT, *PBSS_2040_INTOLERANT_CH_REPORT;
+
+
+// The structure for channel switch annoucement IE. This is in 802.11n D3.03
+typedef struct PACKED _CHA_SWITCH_ANNOUNCE_IE{
+ UCHAR SwitchMode; //channel switch mode
+ UCHAR NewChannel; //
+ UCHAR SwitchCount; //
+} CHA_SWITCH_ANNOUNCE_IE, *PCHA_SWITCH_ANNOUNCE_IE;
+
+
+// The structure for channel switch annoucement IE. This is in 802.11n D3.03
+typedef struct PACKED _SEC_CHA_OFFSET_IE{
+ UCHAR SecondaryChannelOffset; // 1: Secondary above, 3: Secondary below, 0: no Secondary
+} SEC_CHA_OFFSET_IE, *PSEC_CHA_OFFSET_IE;
+
+
+// This structure is extracted from struct RT_HT_CAPABILITY
+typedef struct {
+ BOOLEAN bHtEnable; // If we should use ht rate.
+ BOOLEAN bPreNHt; // If we should use ht rate.
+ //Substract from HT Capability IE
+ UCHAR MCSSet[16]; //only supoort MCS=0-15,32 ,
+} RT_HT_PHY_INFO, *PRT_HT_PHY_INFO;
+
+//This structure substracts ralink supports from all 802.11n-related features.
+//Features not listed here but contained in 802.11n spec are not supported in rt2860.
+typedef struct {
+#ifdef RT_BIG_ENDIAN
+ USHORT rsv:5;
+ USHORT AmsduSize:1; // Max receiving A-MSDU size
+ USHORT AmsduEnable:1; // Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
+ USHORT RxSTBC:2; // 2 bits
+ USHORT TxSTBC:1;
+ USHORT ShortGIfor40:1; //for40MHz
+ USHORT ShortGIfor20:1;
+ USHORT GF:1; //green field
+ USHORT MimoPs:2;//mimo power safe MMPS_
+ USHORT ChannelWidth:1;
+#else
+ USHORT ChannelWidth:1;
+ USHORT MimoPs:2;//mimo power safe MMPS_
+ USHORT GF:1; //green field
+ USHORT ShortGIfor20:1;
+ USHORT ShortGIfor40:1; //for40MHz
+ USHORT TxSTBC:1;
+ USHORT RxSTBC:2; // 2 bits
+ USHORT AmsduEnable:1; // Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
+ USHORT AmsduSize:1; // Max receiving A-MSDU size
+ USHORT rsv:5;
+#endif
+
+ //Substract from Addiont HT INFO IE
+#ifdef RT_BIG_ENDIAN
+ UCHAR RecomWidth:1;
+ UCHAR ExtChanOffset:2; // Please not the difference with following UCHAR NewExtChannelOffset; from 802.11n
+ UCHAR MpduDensity:3;
+ UCHAR MaxRAmpduFactor:2;
+#else
+ UCHAR MaxRAmpduFactor:2;
+ UCHAR MpduDensity:3;
+ UCHAR ExtChanOffset:2; // Please not the difference with following UCHAR NewExtChannelOffset; from 802.11n
+ UCHAR RecomWidth:1;
+#endif
+
+#ifdef RT_BIG_ENDIAN
+ USHORT rsv2:11;
+ USHORT OBSS_NonHTExist:1;
+ USHORT rsv3:1;
+ USHORT NonGfPresent:1;
+ USHORT OperaionMode:2;
+#else
+ USHORT OperaionMode:2;
+ USHORT NonGfPresent:1;
+ USHORT rsv3:1;
+ USHORT OBSS_NonHTExist:1;
+ USHORT rsv2:11;
+#endif
+
+ // New Extension Channel Offset IE
+ UCHAR NewExtChannelOffset;
+ // Extension Capability IE = 127
+ UCHAR BSSCoexist2040;
+} RT_HT_CAPABILITY, *PRT_HT_CAPABILITY;
+
+// field in Addtional HT Information IE .
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ UCHAR SerInterGranu:3;
+ UCHAR S_PSMPSup:1;
+ UCHAR RifsMode:1;
+ UCHAR RecomWidth:1;
+ UCHAR ExtChanOffset:2;
+#else
+ UCHAR ExtChanOffset:2;
+ UCHAR RecomWidth:1;
+ UCHAR RifsMode:1;
+ UCHAR S_PSMPSup:1; //Indicate support for scheduled PSMP
+ UCHAR SerInterGranu:3; //service interval granularity
+#endif
+} ADD_HTINFO, *PADD_HTINFO;
+
+typedef struct PACKED{
+#ifdef RT_BIG_ENDIAN
+ USHORT rsv2:11;
+ USHORT OBSS_NonHTExist:1;
+ USHORT rsv:1;
+ USHORT NonGfPresent:1;
+ USHORT OperaionMode:2;
+#else
+ USHORT OperaionMode:2;
+ USHORT NonGfPresent:1;
+ USHORT rsv:1;
+ USHORT OBSS_NonHTExist:1;
+ USHORT rsv2:11;
+#endif
+} ADD_HTINFO2, *PADD_HTINFO2;
+
+
+// TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved.
+typedef struct PACKED{
+#ifdef RT_BIG_ENDIAN
+ USHORT rsv:4;
+ USHORT PcoPhase:1;
+ USHORT PcoActive:1;
+ USHORT LsigTxopProt:1;
+ USHORT STBCBeacon:1;
+ USHORT DualCTSProtect:1;
+ USHORT DualBeacon:1;
+ USHORT StbcMcs:6;
+#else
+ USHORT StbcMcs:6;
+ USHORT DualBeacon:1;
+ USHORT DualCTSProtect:1;
+ USHORT STBCBeacon:1;
+ USHORT LsigTxopProt:1; // L-SIG TXOP protection full support
+ USHORT PcoActive:1;
+ USHORT PcoPhase:1;
+ USHORT rsv:4;
+#endif // RT_BIG_ENDIAN //
+} ADD_HTINFO3, *PADD_HTINFO3;
+
+#define SIZE_ADD_HT_INFO_IE 22
+typedef struct PACKED{
+ UCHAR ControlChan;
+ ADD_HTINFO AddHtInfo;
+ ADD_HTINFO2 AddHtInfo2;
+ ADD_HTINFO3 AddHtInfo3;
+ UCHAR MCSSet[16]; // Basic MCS set
+} ADD_HT_INFO_IE, *PADD_HT_INFO_IE;
+
+typedef struct PACKED{
+ UCHAR NewExtChanOffset;
+} NEW_EXT_CHAN_IE, *PNEW_EXT_CHAN_IE;
+
+
+// 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 _FRAME_802_11 {
+ HEADER_802_11 Hdr;
+ UCHAR Octet[1];
+} FRAME_802_11, *PFRAME_802_11;
+
+// QoSNull embedding of management action. When HT Control MA field set to 1.
+typedef struct PACKED _MA_BODY {
+ UCHAR Category;
+ UCHAR Action;
+ UCHAR Octet[1];
+} MA_BODY, *PMA_BODY;
+
+typedef struct PACKED _HEADER_802_3 {
+ UCHAR DAAddr1[MAC_ADDR_LEN];
+ UCHAR SAAddr2[MAC_ADDR_LEN];
+ UCHAR Octet[2];
+} HEADER_802_3, *PHEADER_802_3;
+////Block ACK related format
+// 2-byte BA Parameter field in DELBA frames to terminate an already set up bA
+typedef struct PACKED{
+#ifdef RT_BIG_ENDIAN
+ USHORT TID:4; // value of TC os TS
+ USHORT Initiator:1; // 1: originator 0:recipient
+ USHORT Rsv:11; // always set to 0
+#else
+ USHORT Rsv:11; // always set to 0
+ USHORT Initiator:1; // 1: originator 0:recipient
+ USHORT TID:4; // value of TC os TS
+#endif /* !RT_BIG_ENDIAN */
+} DELBA_PARM, *PDELBA_PARM;
+
+// 2-byte BA Parameter Set field in ADDBA frames to signal parm for setting up a BA
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT BufSize:10; // number of buffe of size 2304 octetsr
+ USHORT TID:4; // value of TC os TS
+ USHORT BAPolicy:1; // 1: immediately BA 0:delayed BA
+ USHORT AMSDUSupported:1; // 0: not permitted 1: permitted
+#else
+ USHORT AMSDUSupported:1; // 0: not permitted 1: permitted
+ USHORT BAPolicy:1; // 1: immediately BA 0:delayed BA
+ USHORT TID:4; // value of TC os TS
+ USHORT BufSize:10; // number of buffe of size 2304 octetsr
+#endif /* !RT_BIG_ENDIAN */
+} BA_PARM, *PBA_PARM;
+
+// 2-byte BA Starting Seq CONTROL field
+typedef union PACKED {
+ struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT StartSeq:12; // sequence number of the 1st MSDU for which this BAR is sent
+ USHORT FragNum:4; // always set to 0
+#else
+ USHORT FragNum:4; // always set to 0
+ USHORT StartSeq:12; // sequence number of the 1st MSDU for which this BAR is sent
+#endif /* RT_BIG_ENDIAN */
+ } field;
+ USHORT word;
+} BASEQ_CONTROL, *PBASEQ_CONTROL;
+
+//BAControl and BARControl are the same
+// 2-byte BA CONTROL field in BA frame
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT TID:4;
+ USHORT Rsv:9;
+ USHORT Compressed:1;
+ USHORT MTID:1; //EWC V1.24
+ USHORT ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK 1:No ACK
+#else
+ USHORT ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK 1:No ACK
+ USHORT MTID:1; //EWC V1.24
+ USHORT Compressed:1;
+ USHORT Rsv:9;
+ USHORT TID:4;
+#endif /* !RT_BIG_ENDIAN */
+} BA_CONTROL, *PBA_CONTROL;
+
+// 2-byte BAR CONTROL field in BAR frame
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT TID:4;
+ USHORT Rsv1:9;
+ USHORT Compressed:1;
+ USHORT MTID:1; //if this bit1, use FRAME_MTBA_REQ, if 0, use FRAME_BA_REQ
+ USHORT ACKPolicy:1;
+#else
+ USHORT ACKPolicy:1; // 0:normal ack, 1:no ack.
+ USHORT MTID:1; //if this bit1, use FRAME_MTBA_REQ, if 0, use FRAME_BA_REQ
+ USHORT Compressed:1;
+ USHORT Rsv1:9;
+ USHORT TID:4;
+#endif /* !RT_BIG_ENDIAN */
+} BAR_CONTROL, *PBAR_CONTROL;
+
+// BARControl in MTBAR frame
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT NumTID:4;
+ USHORT Rsv1:9;
+ USHORT Compressed:1;
+ USHORT MTID:1;
+ USHORT ACKPolicy:1;
+#else
+ USHORT ACKPolicy:1;
+ USHORT MTID:1;
+ USHORT Compressed:1;
+ USHORT Rsv1:9;
+ USHORT NumTID:4;
+#endif /* !RT_BIG_ENDIAN */
+} MTBAR_CONTROL, *PMTBAR_CONTROL;
+
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT TID:4;
+ USHORT Rsv1:12;
+#else
+ USHORT Rsv1:12;
+ USHORT TID:4;
+#endif /* !RT_BIG_ENDIAN */
+} PER_TID_INFO, *PPER_TID_INFO;
+
+typedef struct {
+ PER_TID_INFO PerTID;
+ BASEQ_CONTROL BAStartingSeq;
+} EACH_TID, *PEACH_TID;
+
+
+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;
+
+// BAREQ AND MTBAREQ have the same subtype BAR, 802.11n BAR use compressed bitmap.
+typedef struct PACKED _FRAME_BA_REQ {
+ FRAME_CONTROL FC;
+ USHORT Duration;
+ UCHAR Addr1[MAC_ADDR_LEN];
+ UCHAR Addr2[MAC_ADDR_LEN];
+ BAR_CONTROL BARControl;
+ BASEQ_CONTROL BAStartingSeq;
+} FRAME_BA_REQ, *PFRAME_BA_REQ;
+
+typedef struct PACKED _FRAME_MTBA_REQ {
+ FRAME_CONTROL FC;
+ USHORT Duration;
+ UCHAR Addr1[MAC_ADDR_LEN];
+ UCHAR Addr2[MAC_ADDR_LEN];
+ MTBAR_CONTROL MTBARControl;
+ PER_TID_INFO PerTIDInfo;
+ BASEQ_CONTROL BAStartingSeq;
+} FRAME_MTBA_REQ, *PFRAME_MTBA_REQ;
+
+// Compressed format is mandantory in HT STA
+typedef struct PACKED _FRAME_MTBA {
+ FRAME_CONTROL FC;
+ USHORT Duration;
+ UCHAR Addr1[MAC_ADDR_LEN];
+ UCHAR Addr2[MAC_ADDR_LEN];
+ BA_CONTROL BAControl;
+ BASEQ_CONTROL BAStartingSeq;
+ UCHAR BitMap[8];
+} FRAME_MTBA, *PFRAME_MTBA;
+
+typedef struct PACKED _FRAME_PSMP_ACTION {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ UCHAR Psmp; // 7.3.1.25
+} FRAME_PSMP_ACTION, *PFRAME_PSMP_ACTION;
+
+typedef struct PACKED _FRAME_ACTION_HDR {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+} FRAME_ACTION_HDR, *PFRAME_ACTION_HDR;
+
+//Action Frame
+//Action Frame Category:Spectrum, Action:Channel Switch. 7.3.2.20
+typedef struct PACKED _CHAN_SWITCH_ANNOUNCE {
+ UCHAR ElementID; // ID = IE_CHANNEL_SWITCH_ANNOUNCEMENT = 37
+ UCHAR Len;
+ CHA_SWITCH_ANNOUNCE_IE CSAnnounceIe;
+} CHAN_SWITCH_ANNOUNCE, *PCHAN_SWITCH_ANNOUNCE;
+
+
+//802.11n : 7.3.2.20a
+typedef struct PACKED _SECOND_CHAN_OFFSET {
+ UCHAR ElementID; // ID = IE_SECONDARY_CH_OFFSET = 62
+ UCHAR Len;
+ SEC_CHA_OFFSET_IE SecChOffsetIe;
+} SECOND_CHAN_OFFSET, *PSECOND_CHAN_OFFSET;
+
+
+typedef struct PACKED _FRAME_SPETRUM_CS {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ CHAN_SWITCH_ANNOUNCE CSAnnounce;
+ SECOND_CHAN_OFFSET SecondChannel;
+} FRAME_SPETRUM_CS, *PFRAME_SPETRUM_CS;
+
+
+typedef struct PACKED _FRAME_ADDBA_REQ {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ UCHAR Token; // 1
+ BA_PARM BaParm; // 2 - 10
+ USHORT TimeOutValue; // 0 - 0
+ BASEQ_CONTROL BaStartSeq; // 0-0
+} FRAME_ADDBA_REQ, *PFRAME_ADDBA_REQ;
+
+typedef struct PACKED _FRAME_ADDBA_RSP {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ UCHAR Token;
+ USHORT StatusCode;
+ BA_PARM BaParm; //0 - 2
+ USHORT TimeOutValue;
+} FRAME_ADDBA_RSP, *PFRAME_ADDBA_RSP;
+
+typedef struct PACKED _FRAME_DELBA_REQ {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ DELBA_PARM DelbaParm;
+ USHORT ReasonCode;
+} FRAME_DELBA_REQ, *PFRAME_DELBA_REQ;
+
+
+//7.2.1.7
+typedef struct PACKED _FRAME_BAR {
+ FRAME_CONTROL FC;
+ USHORT Duration;
+ UCHAR Addr1[MAC_ADDR_LEN];
+ UCHAR Addr2[MAC_ADDR_LEN];
+ BAR_CONTROL BarControl;
+ BASEQ_CONTROL StartingSeq;
+} FRAME_BAR, *PFRAME_BAR;
+
+//7.2.1.7
+typedef struct PACKED _FRAME_BA {
+ FRAME_CONTROL FC;
+ USHORT Duration;
+ UCHAR Addr1[MAC_ADDR_LEN];
+ UCHAR Addr2[MAC_ADDR_LEN];
+ BAR_CONTROL BarControl;
+ BASEQ_CONTROL StartingSeq;
+ UCHAR bitmask[8];
+} FRAME_BA, *PFRAME_BA;
+
+
+// Radio Measuement Request Frame Format
+typedef struct PACKED _FRAME_RM_REQ_ACTION {
+ HEADER_802_11 Hdr;
+ UCHAR Category;
+ UCHAR Action;
+ UCHAR Token;
+ USHORT Repetition;
+ UCHAR data[0];
+} FRAME_RM_REQ_ACTION, *PFRAME_RM_REQ_ACTION;
+
+typedef struct PACKED {
+ UCHAR ID;
+ UCHAR Length;
+ UCHAR ChannelSwitchMode;
+ UCHAR NewRegClass;
+ UCHAR NewChannelNum;
+ UCHAR ChannelSwitchCount;
+} HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE, *PHT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE;
+
+
+//
+// _Limit must be the 2**n - 1
+// _SEQ1 , _SEQ2 must be within 0 ~ _Limit
+//
+#define SEQ_STEPONE(_SEQ1, _SEQ2, _Limit) ((_SEQ1 == ((_SEQ2+1) & _Limit)))
+#define SEQ_SMALLER(_SEQ1, _SEQ2, _Limit) (((_SEQ1-_SEQ2) & ((_Limit+1)>>1)))
+#define SEQ_LARGER(_SEQ1, _SEQ2, _Limit) ((_SEQ1 != _SEQ2) && !(((_SEQ1-_SEQ2) & ((_Limit+1)>>1))))
+#define SEQ_WITHIN_WIN(_SEQ1, _SEQ2, _WIN, _Limit) (SEQ_LARGER(_SEQ1, _SEQ2, _Limit) && \
+ SEQ_SMALLER(_SEQ1, ((_SEQ2+_WIN+1)&_Limit), _Limit))
+
+//
+// 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
+} CIPHER_SUITE, *PCIPHER_SUITE;
+
+// EDCA configuration from AP's BEACON/ProbeRsp
+typedef struct {
+ BOOLEAN bValid; // 1: variable contains valid value
+ BOOLEAN bAdd; // 1: variable contains valid value
+ BOOLEAN bQAck;
+ BOOLEAN bQueueRequest;
+ BOOLEAN bTxopRequest;
+ BOOLEAN bAPSDCapable;
+// BOOLEAN bMoreDataAck;
+ UCHAR EdcaUpdateCount;
+ UCHAR Aifsn[4]; // 0:AC_BK, 1:AC_BE, 2:AC_VI, 3:AC_VO
+ UCHAR Cwmin[4];
+ UCHAR Cwmax[4];
+ USHORT Txop[4]; // in unit of 32-us
+ BOOLEAN bACM[4]; // 1: Admission Control of AC_BK is mandattory
+} EDCA_PARM, *PEDCA_PARM;
+
+// QBSS LOAD information from QAP's BEACON/ProbeRsp
+typedef struct {
+ BOOLEAN bValid; // 1: variable contains valid value
+ USHORT StaNum;
+ UCHAR ChannelUtilization;
+ USHORT RemainingAdmissionControl; // in unit of 32-us
+} QBSS_LOAD_PARM, *PQBSS_LOAD_PARM;
+
+// QBSS Info field in QSTA's assoc req
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ UCHAR Rsv2:1;
+ UCHAR MaxSPLength:2;
+ UCHAR Rsv1:1;
+ UCHAR UAPSD_AC_BE:1;
+ UCHAR UAPSD_AC_BK:1;
+ UCHAR UAPSD_AC_VI:1;
+ UCHAR UAPSD_AC_VO:1;
+#else
+ UCHAR UAPSD_AC_VO:1;
+ UCHAR UAPSD_AC_VI:1;
+ UCHAR UAPSD_AC_BK:1;
+ UCHAR UAPSD_AC_BE:1;
+ UCHAR Rsv1:1;
+ UCHAR MaxSPLength:2;
+ UCHAR Rsv2:1;
+#endif /* !RT_BIG_ENDIAN */
+} QBSS_STA_INFO_PARM, *PQBSS_STA_INFO_PARM;
+
+// QBSS Info field in QAP's Beacon/ProbeRsp
+typedef struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ UCHAR UAPSD:1;
+ UCHAR Rsv:3;
+ UCHAR ParamSetCount:4;
+#else
+ UCHAR ParamSetCount:4;
+ UCHAR Rsv:3;
+ UCHAR UAPSD:1;
+#endif /* !RT_BIG_ENDIAN */
+} QBSS_AP_INFO_PARM, *PQBSS_AP_INFO_PARM;
+
+// QOS Capability reported in QAP's BEACON/ProbeRsp
+// QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq
+typedef struct {
+ BOOLEAN bValid; // 1: variable contains valid value
+ BOOLEAN bQAck;
+ BOOLEAN bQueueRequest;
+ BOOLEAN bTxopRequest;
+// BOOLEAN bMoreDataAck;
+ UCHAR EdcaUpdateCount;
+} QOS_CAPABILITY_PARM, *PQOS_CAPABILITY_PARM;
+
+#ifdef CONFIG_STA_SUPPORT
+typedef struct {
+ UCHAR IELen;
+ UCHAR IE[MAX_CUSTOM_LEN];
+} WPA_IE_;
+#endif // CONFIG_STA_SUPPORT //
+
+
+typedef struct {
+ UCHAR Bssid[MAC_ADDR_LEN];
+ UCHAR Channel;
+ UCHAR CentralChannel; //Store the wide-band central channel for 40MHz. .used in 40MHz AP. Or this is the same as Channel.
+ UCHAR BssType;
+ USHORT AtimWin;
+ USHORT BeaconPeriod;
+
+ UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES];
+ UCHAR SupRateLen;
+ UCHAR ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
+ UCHAR ExtRateLen;
+ HT_CAPABILITY_IE HtCapability;
+ UCHAR HtCapabilityLen;
+ ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
+ UCHAR AddHtInfoLen;
+ UCHAR NewExtChanOffset;
+ CHAR Rssi;
+ UCHAR Privacy; // Indicate security function ON/OFF. Don't mess up with auth mode.
+ UCHAR Hidden;
+
+ USHORT DtimPeriod;
+ USHORT CapabilityInfo;
+
+ USHORT CfpCount;
+ USHORT CfpPeriod;
+ USHORT CfpMaxDuration;
+ USHORT CfpDurRemaining;
+ UCHAR SsidLen;
+ CHAR Ssid[MAX_LEN_OF_SSID];
+
+ ULONG LastBeaconRxTime; // OS's timestamp
+
+ BOOLEAN bSES;
+
+ // New for WPA2
+ CIPHER_SUITE WPA; // AP announced WPA cipher suite
+ CIPHER_SUITE WPA2; // AP announced WPA2 cipher suite
+
+ // New for microsoft WPA support
+ NDIS_802_11_FIXED_IEs FixIEs;
+ NDIS_802_11_AUTHENTICATION_MODE AuthModeAux; // Addition mode for WPA2 / WPA capable AP
+ NDIS_802_11_AUTHENTICATION_MODE AuthMode;
+ NDIS_802_11_WEP_STATUS WepStatus; // Unicast Encryption Algorithm extract from VAR_IE
+ USHORT VarIELen; // Length of next VIE include EID & Length
+ UCHAR VarIEs[MAX_VIE_LEN];
+
+ // CCX Ckip information
+ UCHAR CkipFlag;
+
+ // CCX 2 TSF
+ UCHAR PTSF[4]; // Parent TSF
+ UCHAR TTSF[8]; // Target TSF
+
+ // 802.11e d9, and WMM
+ EDCA_PARM EdcaParm;
+ QOS_CAPABILITY_PARM QosCapability;
+ QBSS_LOAD_PARM QbssLoad;
+#ifdef CONFIG_STA_SUPPORT
+ WPA_IE_ WpaIE;
+ WPA_IE_ RsnIE;
+#ifdef EXT_BUILD_CHANNEL_LIST
+ UCHAR CountryString[3];
+ BOOLEAN bHasCountryIE;
+#endif // EXT_BUILD_CHANNEL_LIST //
+#endif // CONFIG_STA_SUPPORT //
+} BSS_ENTRY, *PBSS_ENTRY;
+
+typedef struct {
+ UCHAR BssNr;
+ UCHAR BssOverlapNr;
+ BSS_ENTRY BssEntry[MAX_LEN_OF_BSS_TABLE];
+} BSS_TABLE, *PBSS_TABLE;
+
+
+typedef struct _MLME_QUEUE_ELEM {
+ ULONG Machine;
+ ULONG MsgType;
+ ULONG MsgLen;
+ UCHAR Msg[MGMT_DMA_BUFFER_SIZE];
+ LARGE_INTEGER TimeStamp;
+ UCHAR Rssi0;
+ UCHAR Rssi1;
+ UCHAR Rssi2;
+ UCHAR Signal;
+ UCHAR Channel;
+ UCHAR Wcid;
+ BOOLEAN Occupied;
+} MLME_QUEUE_ELEM, *PMLME_QUEUE_ELEM;
+
+typedef struct _MLME_QUEUE {
+ ULONG Num;
+ ULONG Head;
+ ULONG Tail;
+ NDIS_SPIN_LOCK Lock;
+ MLME_QUEUE_ELEM Entry[MAX_LEN_OF_MLME_QUEUE];
+} MLME_QUEUE, *PMLME_QUEUE;
+
+typedef VOID (*STATE_MACHINE_FUNC)(VOID *Adaptor, MLME_QUEUE_ELEM *Elem);
+
+typedef struct _STATE_MACHINE {
+ ULONG Base;
+ ULONG NrState;
+ ULONG NrMsg;
+ ULONG CurrState;
+ STATE_MACHINE_FUNC *TransFunc;
+} STATE_MACHINE, *PSTATE_MACHINE;
+
+
+// MLME AUX data structure that hold temporarliy settings during a connection attempt.
+// Once this attemp succeeds, all settings will be copy to pAd->StaActive.
+// A connection attempt (user set OID, roaming, CCX fast roaming,..) consists of
+// several steps (JOIN, AUTH, ASSOC or REASSOC) and may fail at any step. We purposely
+// separate this under-trial settings away from pAd->StaActive so that once
+// this new attempt failed, driver can auto-recover back to the active settings.
+typedef struct _MLME_AUX {
+ UCHAR BssType;
+ UCHAR Ssid[MAX_LEN_OF_SSID];
+ UCHAR SsidLen;
+ UCHAR Bssid[MAC_ADDR_LEN];
+ UCHAR AutoReconnectSsid[MAX_LEN_OF_SSID];
+ UCHAR AutoReconnectSsidLen;
+ USHORT Alg;
+ UCHAR ScanType;
+ UCHAR Channel;
+ UCHAR CentralChannel;
+ USHORT Aid;
+ USHORT CapabilityInfo;
+ USHORT BeaconPeriod;
+ USHORT CfpMaxDuration;
+ USHORT CfpPeriod;
+ USHORT AtimWin;
+
+ // Copy supported rate from desired AP's beacon. We are trying to match
+ // AP's supported and extended rate settings.
+ UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES];
+ UCHAR ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
+ UCHAR SupRateLen;
+ UCHAR ExtRateLen;
+ HT_CAPABILITY_IE HtCapability;
+ UCHAR HtCapabilityLen;
+ ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
+ UCHAR NewExtChannelOffset;
+ //RT_HT_CAPABILITY SupportedHtPhy;
+
+ // new for QOS
+ QOS_CAPABILITY_PARM APQosCapability; // QOS capability of the current associated AP
+ EDCA_PARM APEdcaParm; // EDCA parameters of the current associated AP
+ QBSS_LOAD_PARM APQbssLoad; // QBSS load of the current associated AP
+
+ // new to keep Ralink specific feature
+ ULONG APRalinkIe;
+
+ BSS_TABLE SsidBssTab; // AP list for the same SSID
+ BSS_TABLE RoamTab; // AP list eligible for roaming
+ ULONG BssIdx;
+ ULONG RoamIdx;
+
+ BOOLEAN CurrReqIsFromNdis;
+
+ RALINK_TIMER_STRUCT BeaconTimer, ScanTimer;
+ RALINK_TIMER_STRUCT AuthTimer;
+ RALINK_TIMER_STRUCT AssocTimer, ReassocTimer, DisassocTimer;
+} MLME_AUX, *PMLME_AUX;
+
+typedef struct _MLME_ADDBA_REQ_STRUCT{
+ UCHAR Wcid; //
+ UCHAR pAddr[MAC_ADDR_LEN];
+ UCHAR BaBufSize;
+ USHORT TimeOutValue;
+ UCHAR TID;
+ UCHAR Token;
+ USHORT BaStartSeq;
+} MLME_ADDBA_REQ_STRUCT, *PMLME_ADDBA_REQ_STRUCT;
+
+
+typedef struct _MLME_DELBA_REQ_STRUCT{
+ UCHAR Wcid; //
+ UCHAR Addr[MAC_ADDR_LEN];
+ UCHAR TID;
+ UCHAR Initiator;
+} MLME_DELBA_REQ_STRUCT, *PMLME_DELBA_REQ_STRUCT;
+
+// assoc struct is equal to reassoc
+typedef struct _MLME_ASSOC_REQ_STRUCT{
+ UCHAR Addr[MAC_ADDR_LEN];
+ USHORT CapabilityInfo;
+ USHORT ListenIntv;
+ ULONG Timeout;
+} MLME_ASSOC_REQ_STRUCT, *PMLME_ASSOC_REQ_STRUCT, MLME_REASSOC_REQ_STRUCT, *PMLME_REASSOC_REQ_STRUCT;
+
+typedef struct _MLME_DISASSOC_REQ_STRUCT{
+ UCHAR Addr[MAC_ADDR_LEN];
+ USHORT Reason;
+} MLME_DISASSOC_REQ_STRUCT, *PMLME_DISASSOC_REQ_STRUCT;
+
+typedef struct _MLME_AUTH_REQ_STRUCT {
+ UCHAR Addr[MAC_ADDR_LEN];
+ USHORT Alg;
+ ULONG Timeout;
+} MLME_AUTH_REQ_STRUCT, *PMLME_AUTH_REQ_STRUCT;
+
+typedef struct _MLME_DEAUTH_REQ_STRUCT {
+ UCHAR Addr[MAC_ADDR_LEN];
+ USHORT Reason;
+} MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;
+
+typedef struct {
+ ULONG BssIdx;
+} MLME_JOIN_REQ_STRUCT;
+
+typedef struct _MLME_SCAN_REQ_STRUCT {
+ UCHAR Bssid[MAC_ADDR_LEN];
+ UCHAR BssType;
+ UCHAR ScanType;
+ UCHAR SsidLen;
+ CHAR Ssid[MAX_LEN_OF_SSID];
+} MLME_SCAN_REQ_STRUCT, *PMLME_SCAN_REQ_STRUCT;
+
+typedef struct _MLME_START_REQ_STRUCT {
+ CHAR Ssid[MAX_LEN_OF_SSID];
+ UCHAR SsidLen;
+} MLME_START_REQ_STRUCT, *PMLME_START_REQ_STRUCT;
+
+#ifdef CONFIG_STA_SUPPORT
+#ifdef QOS_DLS_SUPPORT
+// structure for DLS
+typedef struct _RT_802_11_DLS {
+ USHORT TimeOut; // Use to time out while slience, unit: second , set by UI
+ USHORT CountDownTimer; // Use to time out while slience,unit: second , used by driver only
+ NDIS_802_11_MAC_ADDRESS MacAddr; // set by UI
+ UCHAR Status; // 0: none , 1: wait STAkey, 2: finish DLS setup , set by driver only
+ BOOLEAN Valid; // 1: valid , 0: invalid , set by UI, use to setup or tear down DLS link
+ RALINK_TIMER_STRUCT Timer; // Use to time out while handshake
+ USHORT Sequence;
+ USHORT MacTabMatchWCID; // ASIC
+ BOOLEAN bHTCap;
+ PVOID pAd;
+} RT_802_11_DLS, *PRT_802_11_DLS;
+
+typedef struct _MLME_DLS_REQ_STRUCT {
+ PRT_802_11_DLS pDLS;
+ USHORT Reason;
+} MLME_DLS_REQ_STRUCT, *PMLME_DLS_REQ_STRUCT;
+#endif // QOS_DLS_SUPPORT //
+#endif // CONFIG_STA_SUPPORT //
+
+typedef struct PACKED {
+ UCHAR Eid;
+ UCHAR Len;
+ CHAR Octet[1];
+} EID_STRUCT,*PEID_STRUCT, BEACON_EID_STRUCT, *PBEACON_EID_STRUCT;
+
+typedef struct PACKED _RTMP_TX_RATE_SWITCH
+{
+ UCHAR ItemNo;
+#ifdef RT_BIG_ENDIAN
+ UCHAR Rsv2:2;
+ UCHAR Mode:2;
+ UCHAR Rsv1:1;
+ UCHAR BW:1;
+ UCHAR ShortGI:1;
+ UCHAR STBC:1;
+#else
+ UCHAR STBC:1;
+ UCHAR ShortGI:1;
+ UCHAR BW:1;
+ UCHAR Rsv1:1;
+ UCHAR Mode:2;
+ UCHAR Rsv2:2;
+#endif
+ UCHAR CurrMCS;
+ UCHAR TrainUp;
+ UCHAR TrainDown;
+} RRTMP_TX_RATE_SWITCH, *PRTMP_TX_RATE_SWITCH;
+
+// ========================== AP mlme.h ===============================
+#define TBTT_PRELOAD_TIME 384 // usec. LomgPreamble + 24-byte at 1Mbps
+#define DEFAULT_DTIM_PERIOD 1
+
+#define MAC_TABLE_AGEOUT_TIME 300 // unit: sec
+#define MAC_TABLE_ASSOC_TIMEOUT 5 // unit: sec
+#define MAC_TABLE_FULL(Tab) ((Tab).size == MAX_LEN_OF_MAC_TABLE)
+
+// AP shall drop the sta if contine Tx fail count reach it.
+#define MAC_ENTRY_LIFE_CHECK_CNT 20 // packet cnt.
+
+// Value domain of pMacEntry->Sst
+typedef enum _Sst {
+ SST_NOT_AUTH, // 0: equivalent to IEEE 802.11/1999 state 1
+ SST_AUTH, // 1: equivalent to IEEE 802.11/1999 state 2
+ SST_ASSOC // 2: equivalent to IEEE 802.11/1999 state 3
+} SST;
+
+// value domain of pMacEntry->AuthState
+typedef enum _AuthState {
+ AS_NOT_AUTH,
+ AS_AUTH_OPEN, // STA has been authenticated using OPEN SYSTEM
+ AS_AUTH_KEY, // STA has been authenticated using SHARED KEY
+ AS_AUTHENTICATING // STA is waiting for AUTH seq#3 using SHARED KEY
+} AUTH_STATE;
+
+//for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
+typedef enum _ApWpaState {
+ AS_NOTUSE, // 0
+ AS_DISCONNECT, // 1
+ AS_DISCONNECTED, // 2
+ AS_INITIALIZE, // 3
+ AS_AUTHENTICATION, // 4
+ AS_AUTHENTICATION2, // 5
+ AS_INITPMK, // 6
+ AS_INITPSK, // 7
+ AS_PTKSTART, // 8
+ AS_PTKINIT_NEGOTIATING, // 9
+ AS_PTKINITDONE, // 10
+ AS_UPDATEKEYS, // 11
+ AS_INTEGRITY_FAILURE, // 12
+ AS_KEYUPDATE, // 13
+} AP_WPA_STATE;
+
+// for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
+typedef enum _GTKState {
+ REKEY_NEGOTIATING,
+ REKEY_ESTABLISHED,
+ KEYERROR,
+} GTK_STATE;
+
+// for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
+typedef enum _WpaGTKState {
+ SETKEYS,
+ SETKEYS_DONE,
+} WPA_GTK_STATE;
+// ====================== end of AP mlme.h ============================
+
+
+#endif // MLME_H__