text: /* SPDX-License-Identifier: GPL-2.0 */
  #ifndef _RTL819XU_HTTYPE_H_
  #define _RTL819XU_HTTYPE_H_
  
  /*
   * The HT Capability element is present in beacons, association request,
   * reassociation request and probe response frames
   */
  
  /*
   * MIMO Power Save Settings
   */
  #define MIMO_PS_STATIC				0
  
  /*
   * There should be 128 bits to cover all of the MCS rates. However, since
   * 8190 does not support too much rates, one integer is quite enough.
   */
  #define HTCLNG	4
  
  /*
   * Represent Channel Width in HT Capabilities
   */
  enum ht_channel_width {
  	HT_CHANNEL_WIDTH_20 = 0,
  	HT_CHANNEL_WIDTH_20_40 = 1,
  };
  
  /*
   * Represent Extension Channel Offset in HT Capabilities
   * This is available only in 40Mhz mode.
   */
  enum ht_extension_chan_offset {
  	HT_EXTCHNL_OFFSET_NO_EXT = 0,
  	HT_EXTCHNL_OFFSET_UPPER = 1,
  	HT_EXTCHNL_OFFSET_NO_DEF = 2,
  	HT_EXTCHNL_OFFSET_LOWER = 3,
  };
  
  struct ht_capability_ele {
  	//HT capability info
  	u8	AdvCoding:1;
  	u8	ChlWidth:1;
  	u8	MimoPwrSave:2;
  	u8	GreenField:1;
  	u8	ShortGI20Mhz:1;
  	u8	ShortGI40Mhz:1;
  	u8	TxSTBC:1;
  	u8	RxSTBC:2;
  	u8	DelayBA:1;
  	u8	MaxAMSDUSize:1;
  	u8	DssCCk:1;
  	u8	PSMP:1;
  	u8	Rsvd1:1;
  	u8	LSigTxopProtect:1;
  
  	//MAC HT parameters info
  	u8	MaxRxAMPDUFactor:2;
  	u8	MPDUDensity:3;
  	u8	Rsvd2:3;
  
  	//Supported MCS set
  	u8	MCS[16];
  
  	//Extended HT Capability Info
  	u16	ExtHTCapInfo;
  
  	//TXBF Capabilities
  	u8	TxBFCap[4];
  
  	//Antenna Selection Capabilities
  	u8	ASCap;
  
  } __packed;
  
  /*
   * The HT Information element is present in beacons
   * Only AP is required to include this element
   */
  typedef struct _HT_INFORMATION_ELE {
  	u8	ControlChl;
  
  	u8	ExtChlOffset:2;
  	u8	RecommemdedTxWidth:1;
  	u8	RIFS:1;
  	u8	PSMPAccessOnly:1;
  	u8	SrvIntGranularity:3;
  
  	u8	OptMode:2;
  	u8	NonGFDevPresent:1;
  	u8	Revd1:5;
  	u8	Revd2:8;
  
  	u8	Rsvd3:6;
  	u8	DualBeacon:1;
  	u8	DualCTSProtect:1;
  
  	u8	SecondaryBeacon:1;
  	u8	LSigTxopProtectFull:1;
  	u8	PcoActive:1;
  	u8	PcoPhase:1;
  	u8	Rsvd4:4;
  
  	u8	BasicMSC[16];
  } __attribute__ ((packed)) HT_INFORMATION_ELE, *PHT_INFORMATION_ELE;
  
  typedef enum _HT_SPEC_VER {
  	HT_SPEC_VER_IEEE = 0,
  	HT_SPEC_VER_EWC = 1,
  } HT_SPEC_VER, *PHT_SPEC_VER;
  
  typedef enum _HT_AGGRE_MODE_E {
  	HT_AGG_AUTO = 0,
  	HT_AGG_FORCE_ENABLE = 1,
  	HT_AGG_FORCE_DISABLE = 2,
  } HT_AGGRE_MODE_E, *PHT_AGGRE_MODE_E;
  
  /*
   *  The Data structure is used to keep HT related variables when card is
   *  configured as non-AP STA mode.  **Note**  Current_xxx should be set
   *  to default value in HTInitializeHTInfo()
   */
  typedef struct _RT_HIGH_THROUGHPUT {
  	u8				bEnableHT;
  	u8				bCurrentHTSupport;
  
  	u8				bRegBW40MHz;				// Tx 40MHz channel capability
  	u8				bCurBW40MHz;				// Tx 40MHz channel capability
  
  	u8				bRegShortGI40MHz;			// Tx Short GI for 40Mhz
  	u8				bCurShortGI40MHz;			// Tx Short GI for 40MHz
  
  	u8				bRegShortGI20MHz;			// Tx Short GI for 20MHz
  	u8				bCurShortGI20MHz;			// Tx Short GI for 20MHz
  
  	u8				bRegSuppCCK;				// Tx CCK rate capability
  	u8				bCurSuppCCK;				// Tx CCK rate capability
  
  	// 802.11n spec version for "peer"
  	HT_SPEC_VER			ePeerHTSpecVer;
  
  	// HT related information for "Self"
  	struct ht_capability_ele	SelfHTCap;		// This is HT cap element sent to peer STA, which also indicate HT Rx capabilities.
  	HT_INFORMATION_ELE	SelfHTInfo;		// This is HT info element sent to peer STA, which also indicate HT Rx capabilities.
  
  	// HT related information for "Peer"
  	u8				PeerHTCapBuf[32];
  	u8				PeerHTInfoBuf[32];
  
  	// A-MSDU related
  	u8				bAMSDU_Support;			// This indicates Tx A-MSDU capability
  	u16				nAMSDU_MaxSize;			// This indicates Tx A-MSDU capability
  	u8				bCurrent_AMSDU_Support;	// This indicates Tx A-MSDU capability
  	u16				nCurrent_AMSDU_MaxSize;	// This indicates Tx A-MSDU capability
  
  	// AMPDU  related <2006.08.10 Emily>
  	u8				bAMPDUEnable;				// This indicate Tx A-MPDU capability
  	u8				bCurrentAMPDUEnable;		// This indicate Tx A-MPDU capability
  	u8				AMPDU_Factor;				// This indicate Tx A-MPDU capability
  	u8				CurrentAMPDUFactor;		// This indicate Tx A-MPDU capability
  	u8				MPDU_Density;				// This indicate Tx A-MPDU capability
  	u8				CurrentMPDUDensity;			// This indicate Tx A-MPDU capability
  
  	// Forced A-MPDU enable
  	HT_AGGRE_MODE_E	ForcedAMPDUMode;
  	u8				ForcedAMPDUFactor;
  	u8				ForcedMPDUDensity;
  
  	// Forced A-MSDU enable
  	HT_AGGRE_MODE_E	ForcedAMSDUMode;
  	u16				ForcedAMSDUMaxSize;
  
  	u8				bForcedShortGI;
  
  	u8				CurrentOpMode;
  
  	// MIMO PS related
  	u8				SelfMimoPs;
  	u8				PeerMimoPs;
  
  	// 40MHz Channel Offset settings.
  	enum ht_extension_chan_offset	CurSTAExtChnlOffset;
  	u8				bCurTxBW40MHz;	// If we use 40 MHz to Tx
  	u8				PeerBandwidth;
  
  	// For Bandwidth Switching
  	u8				bSwBwInProgress;
  	u8				SwBwStep;
  	//struct timer_list		SwBwTimer;  //moved to ieee80211_device. as timer_list need include some header file here.
  
  	// For Realtek proprietary A-MPDU factor for aggregation
  	u8				bRegRT2RTAggregation;
  	u8				bCurrentRT2RTAggregation;
  	u8				bCurrentRT2RTLongSlotTime;
  	u8				szRT2RTAggBuffer[10];
  
  	// Rx Reorder control
  	u8				bRegRxReorderEnable;
  	u8				bCurRxReorderEnable;
  	u8				RxReorderWinSize;
  	u8				RxReorderPendingTime;
  	u16				RxReorderDropCounter;
  
  #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
  	u8				UsbTxAggrNum;
  #endif
  #ifdef USB_RX_AGGREGATION_SUPPORT
  	u8				UsbRxFwAggrEn;
  	u8				UsbRxFwAggrPageNum;
  	u8				UsbRxFwAggrPacketNum;
  	u8				UsbRxFwAggrTimeout;
  #endif
  
  	// Add for Broadcom(Linksys) IOT. Joseph
  	u8				bIsPeerBcm;
  
  	// For IOT issue.
  	u8				IOTPeer;
  	u32				IOTAction;
  } __attribute__ ((packed)) RT_HIGH_THROUGHPUT, *PRT_HIGH_THROUGHPUT;
  
  /*
   * The Data structure is used to keep HT related variable for "each AP"
   * when card is configured as "STA mode"
   */
  typedef struct _BSS_HT {
  	u8				bdSupportHT;
  
  	// HT related elements
  	u8					bdHTCapBuf[32];
  	u16					bdHTCapLen;
  	u8					bdHTInfoBuf[32];
  	u16					bdHTInfoLen;
  
  	HT_SPEC_VER				bdHTSpecVer;
  	//struct ht_capability_ele              bdHTCapEle;
  	//HT_INFORMATION_ELE		bdHTInfoEle;
  
  	u8					bdRT2RTAggregation;
  	u8					bdRT2RTLongSlotTime;
  } __attribute__ ((packed)) BSS_HT, *PBSS_HT;
  
  extern u8 MCS_FILTER_ALL[16];
  extern u8 MCS_FILTER_1SS[16];
  
  /*
   * 2007/07/11 MH Modify the macro. Becaus STA may link with a N-AP. If we set
   * STA in A/B/G mode and AP is still in N mode. The macro will be wrong. We have
   * to add a macro to judge wireless mode.
   */
  #define PICK_RATE(_nLegacyRate, _nMcsRate)	\
  		(_nMcsRate == 0) ? (_nLegacyRate & 0x7f) : (_nMcsRate)
  /* 2007/07/12 MH We only define legacy and HT wireless mode now. */
  #define	LEGACY_WIRELESS_MODE	IEEE_MODE_MASK
  
  #define CURRENT_RATE(WirelessMode, LegacyRate, HTRate)	\
  					((WirelessMode & (LEGACY_WIRELESS_MODE)) != 0) ?\
  						(LegacyRate) :\
  						(PICK_RATE(LegacyRate, HTRate))
  
  // MCS Bw 40 {1~7, 12~15,32}
  #define	RATE_ADPT_1SS_MASK		0xFF
  #define	RATE_ADPT_2SS_MASK		0xF0 //Skip MCS8~11 because mcs7 > mcs6, 9, 10, 11. 2007.01.16 by Emily
  #define	RATE_ADPT_MCS32_MASK		0x01
  
  #define		IS_11N_MCS_RATE(rate)		(rate & 0x80)
  
  typedef enum _HT_AGGRE_SIZE {
  	HT_AGG_SIZE_8K = 0,
  	HT_AGG_SIZE_16K = 1,
  	HT_AGG_SIZE_32K = 2,
  	HT_AGG_SIZE_64K = 3,
  }HT_AGGRE_SIZE_E, *PHT_AGGRE_SIZE_E;
  
  /* Indicate different AP vendor for IOT issue */
  typedef enum _HT_IOT_PEER
  {
  	HT_IOT_PEER_UNKNOWN = 0,
  	HT_IOT_PEER_REALTEK = 1,
  	HT_IOT_PEER_BROADCOM = 2,
  	HT_IOT_PEER_RALINK = 3,
  	HT_IOT_PEER_ATHEROS = 4,
  	HT_IOT_PEER_CISCO = 5,
  	HT_IOT_PEER_MAX = 6
  }HT_IOT_PEER_E, *PHTIOT_PEER_E;
  
  /*
   * IOT Action for different AP
   */
  typedef enum _HT_IOT_ACTION {
  	HT_IOT_ACT_TX_USE_AMSDU_4K = 0x00000001,
  	HT_IOT_ACT_TX_USE_AMSDU_8K = 0x00000002,
  	HT_IOT_ACT_DISABLE_MCS14 = 0x00000004,
  	HT_IOT_ACT_DISABLE_MCS15 = 0x00000008,
  	HT_IOT_ACT_DISABLE_ALL_2SS = 0x00000010,
  	HT_IOT_ACT_DISABLE_EDCA_TURBO = 0x00000020,
  	HT_IOT_ACT_MGNT_USE_CCK_6M = 0x00000040,
  	HT_IOT_ACT_CDD_FSYNC = 0x00000080,
  	HT_IOT_ACT_PURE_N_MODE = 0x00000100,
  	HT_IOT_ACT_FORCED_CTS2SELF = 0x00000200,
  }HT_IOT_ACTION_E, *PHT_IOT_ACTION_E;
  
  #endif //_RTL819XU_HTTYPE_H_
  