drivers/staging/rtl8188eu/include/wifi.h - linux/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  *
  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
  *
  ******************************************************************************/
 #ifndef _WIFI_H_
 #define _WIFI_H_

 #define WLAN_HDR_A3_LEN		24
 #define WLAN_HDR_A3_QOS_LEN	26

 #define P80211CAPTURE_VERSION	0x80211001

 /*  This value is tested by WiFi 11n Test Plan 5.2.3. */
 /*  This test verifies the WLAN NIC can update the NAV through sending
  *  the CTS with large duration.
  */
 #define	WiFiNavUpperUs				30000	/*  30 ms */

 enum WIFI_FRAME_TYPE {
 	WIFI_MGT_TYPE  =	(0),
 	WIFI_CTRL_TYPE =	(BIT(2)),
 	WIFI_DATA_TYPE =	(BIT(3)),
 	WIFI_QOS_DATA_TYPE	= (BIT(7) | BIT(3)),	/*  QoS Data */
 };

 #define SetToDs(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_TODS)

 #define GetToDs(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0)

 #define ClearToDs(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_TODS))

 #define SetFrDs(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_FROMDS)

 #define GetFrDs(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0)

 #define ClearFrDs(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_FROMDS))

 #define get_tofr_ds(pframe)	((GetToDs(pframe) << 1) | GetFrDs(pframe))

 #define SetMFrag(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)

 #define GetMFrag(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0)

 #define ClearMFrag(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS))

 #define SetRetry(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_RETRY)

 #define GetRetry(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0)

 #define ClearRetry(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_RETRY))

 #define SetPwrMgt(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PM)

 #define GetPwrMgt(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_PM)) != 0)

 #define ClearPwrMgt(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_PM))

 #define SetMData(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREDATA)

 #define GetMData(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0)

 #define ClearMData(pbuf)	\
 	*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREDATA))

 #define SetPrivacy(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PROTECTED)

 #define GetPrivacy(pbuf)					\
 	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0)

 #define GetOrder(pbuf)					\
 	(((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0)

 #define GetFrameType(pbuf)				\
 	(le16_to_cpu(*(__le16 *)(pbuf)) & (BIT(3) | BIT(2)))

 #define GetFrameSubType(pbuf)	(le16_to_cpu(*(__le16 *)(pbuf)) & (BIT(7) |\
 	 BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2)))

 #define SetFrameSubType(pbuf, type) \
 	do {    \
 		*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) |	\
 		 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 		*(__le16 *)(pbuf) |= cpu_to_le16(type); \
 	} while (0)

 #define GetSequence(pbuf)			\
 	(le16_to_cpu(*(__le16 *)((size_t)(pbuf) + 22)) >> 4)

 #define GetFragNum(pbuf)			\
 	(le16_to_cpu(*(__le16 *)((size_t)(pbuf) + 22)) & 0x0f)

 #define SetSeqNum(pbuf, num) \
 	do {    \
 		*(__le16 *)((size_t)(pbuf) + 22) = \
 			((*(__le16 *)((size_t)(pbuf) + 22)) & cpu_to_le16((unsigned short)0x000f)) | \
 			cpu_to_le16((unsigned short)(0xfff0 & (num << 4))); \
 	} while (0)

 #define SetDuration(pbuf, dur) \
 	*(__le16 *)((size_t)(pbuf) + 2) = cpu_to_le16(0xffff & (dur))

 #define SetPriority(pbuf, tid)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf)

 #define GetPriority(pbuf)	((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)

 #define SetEOSP(pbuf, eosp)	\
 		*(__le16 *)(pbuf) |= cpu_to_le16((eosp & 1) << 4)

 #define SetAckpolicy(pbuf, ack)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5)

 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)

 #define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)

 #define GetAid(pbuf)	(le16_to_cpu(*(__le16 *)((size_t)(pbuf) + 2)) & 0x3fff)

 #define GetAddr1Ptr(pbuf)	((unsigned char *)((size_t)(pbuf) + 4))

 #define GetAddr2Ptr(pbuf)	((unsigned char *)((size_t)(pbuf) + 10))

 #define GetAddr3Ptr(pbuf)	((unsigned char *)((size_t)(pbuf) + 16))

 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 {
 	unsigned char	*sa;
 	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);

 	switch (to_fr_ds) {
 	case 0x00:	/*  ToDs=0, FromDs=0 */
 		sa = GetAddr3Ptr(pframe);
 		break;
 	case 0x01:	/*  ToDs=0, FromDs=1 */
 		sa = GetAddr2Ptr(pframe);
 		break;
 	case 0x02:	/*  ToDs=1, FromDs=0 */
 		sa = GetAddr1Ptr(pframe);
 		break;
 	case 0x03:	/*  ToDs=1, FromDs=1 */
 		sa = GetAddr1Ptr(pframe);
 		break;
 	default:
 		sa = NULL; /*  */
 		break;
 	}
 	return sa;
 }

 /*-----------------------------------------------------------------------------
 			Below is for the security related definition
 ------------------------------------------------------------------------------*/
 #define _ASOCREQ_IE_OFFSET_	4	/*  excluding wlan_hdr */
 #define	_ASOCRSP_IE_OFFSET_	6
 #define _REASOCREQ_IE_OFFSET_	10
 #define _REASOCRSP_IE_OFFSET_	6
 #define _PROBEREQ_IE_OFFSET_	0
 #define	_PROBERSP_IE_OFFSET_	12
 #define _AUTH_IE_OFFSET_	6
 #define _DEAUTH_IE_OFFSET_	0
 #define _BEACON_IE_OFFSET_	12
 #define _PUBLIC_ACTION_IE_OFFSET_	8

 #define _FIXED_IE_LENGTH_	_BEACON_IE_OFFSET_

 /* ---------------------------------------------------------------------------
 					Below is the fixed elements...
 -----------------------------------------------------------------------------*/
 #define _AUTH_ALGM_NUM_		2
 #define _AUTH_SEQ_NUM_		2
 #define _BEACON_ITERVAL_	2
 #define _CAPABILITY_		2
 #define _CURRENT_APADDR_	6
 #define _LISTEN_INTERVAL_	2
 #define _RSON_CODE_		2
 #define _ASOC_ID_		2
 #define _STATUS_CODE_		2
 #define _TIMESTAMP_		8

 #define AUTH_ODD_TO		0
 #define AUTH_EVEN_TO		1

 /*-----------------------------------------------------------------------------
 				Below is the definition for 802.11i / 802.1x
 ------------------------------------------------------------------------------*/
 #define _IEEE8021X_MGT_			1	/*  WPA */
 #define _IEEE8021X_PSK_			2	/*  WPA with pre-shared key */

 /*
  * #define _NO_PRIVACY_			0
  * #define _WEP_40_PRIVACY_		1
  * #define _TKIP_PRIVACY_		2
  * #define _WRAP_PRIVACY_		3
  * #define _CCMP_PRIVACY_		4
  * #define _WEP_104_PRIVACY_		5
  * #define _WEP_WPA_MIXED_PRIVACY_ 6	WEP + WPA
  */

 /*-----------------------------------------------------------------------------
 				Below is the definition for WMM
 ------------------------------------------------------------------------------*/
 #define _WMM_IE_Length_				7  /*  for WMM STA */

 /*-----------------------------------------------------------------------------
 				Below is the definition for 802.11n
 ------------------------------------------------------------------------------*/

 /**
  * struct rtw_ieee80211_ht_cap - HT additional information
  *
  * This structure refers to "HT information element" as
  * described in 802.11n draft section 7.3.2.53
  */
 struct ieee80211_ht_addt_info {
 	unsigned char	control_chan;
 	unsigned char	ht_param;
 	unsigned short	operation_mode;
 	unsigned short	stbc_param;
 	unsigned char	basic_set[16];
 } __packed;

 struct HT_info_element {
 	unsigned char	primary_channel;
 	unsigned char	infos[5];
 	unsigned char	MCS_rate[16];
 } __packed;

 struct AC_param {
 	unsigned char		ACI_AIFSN;
 	unsigned char		CW;
 	__le16	TXOP_limit;
 } __packed;

 struct WMM_para_element {
 	unsigned char		QoS_info;
 	unsigned char		reserved;
 	struct AC_param	ac_param[4];
 } __packed;

 struct ADDBA_request {
 	unsigned char	dialog_token;
 	__le16		BA_para_set;
 	unsigned short	BA_timeout_value;
 	unsigned short	BA_starting_seqctrl;
 } __packed;

 enum ht_cap_ampdu_factor {
 	MAX_AMPDU_FACTOR_8K	= 0,
 	MAX_AMPDU_FACTOR_16K	= 1,
 	MAX_AMPDU_FACTOR_32K	= 2,
 	MAX_AMPDU_FACTOR_64K	= 3,
 };

 #define OP_MODE_PURE                    0
 #define OP_MODE_MAY_BE_LEGACY_STAS      1
 #define OP_MODE_20MHZ_HT_STA_ASSOCED    2
 #define OP_MODE_MIXED                   3

 #define HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK	((u8)BIT(0) | BIT(1))
 #define HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE		((u8)BIT(0))
 #define HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW		((u8)BIT(0) | BIT(1))
 #define HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH		((u8)BIT(2))
 #define HT_INFO_HT_PARAM_RIFS_MODE			((u8)BIT(3))
 #define HT_INFO_HT_PARAM_CTRL_ACCESS_ONLY		((u8)BIT(4))
 #define HT_INFO_HT_PARAM_SRV_INTERVAL_GRANULARITY	((u8)BIT(5))

 #define HT_INFO_OPERATION_MODE_OP_MODE_MASK	\
 		((u16)(0x0001 | 0x0002))
 #define HT_INFO_OPERATION_MODE_OP_MODE_OFFSET		0
 #define HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT	((u8)BIT(2))
 #define HT_INFO_OPERATION_MODE_TRANSMIT_BURST_LIMIT	((u8)BIT(3))
 #define HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT	((u8)BIT(4))

 /*	===============WPS Section=============== */
 /*	For WPSv1.0 */
 #define WPSOUI					0x0050f204
 /*	WPS attribute ID */
 #define WPS_ATTR_VER1				0x104A
 #define WPS_ATTR_SIMPLE_CONF_STATE		0x1044
 #define WPS_ATTR_RESP_TYPE			0x103B
 #define WPS_ATTR_UUID_E				0x1047
 #define WPS_ATTR_MANUFACTURER			0x1021
 #define WPS_ATTR_MODEL_NAME			0x1023
 #define WPS_ATTR_MODEL_NUMBER			0x1024
 #define WPS_ATTR_SERIAL_NUMBER			0x1042
 #define WPS_ATTR_PRIMARY_DEV_TYPE		0x1054
 #define WPS_ATTR_SEC_DEV_TYPE_LIST		0x1055
 #define WPS_ATTR_DEVICE_NAME			0x1011
 #define WPS_ATTR_CONF_METHOD			0x1008
 #define WPS_ATTR_RF_BANDS			0x103C
 #define WPS_ATTR_DEVICE_PWID			0x1012
 #define WPS_ATTR_REQUEST_TYPE			0x103A
 #define WPS_ATTR_ASSOCIATION_STATE		0x1002
 #define WPS_ATTR_CONFIG_ERROR			0x1009
 #define WPS_ATTR_VENDOR_EXT			0x1049
 #define WPS_ATTR_SELECTED_REGISTRAR		0x1041

 /*	Value of WPS Request Type Attribute */
 #define WPS_REQ_TYPE_ENROLLEE_INFO_ONLY		0x00
 #define WPS_REQ_TYPE_ENROLLEE_OPEN_8021X	0x01
 #define WPS_REQ_TYPE_REGISTRAR			0x02
 #define WPS_REQ_TYPE_WLAN_MANAGER_REGISTRAR	0x03

 /*	Value of WPS Response Type Attribute */
 #define WPS_RESPONSE_TYPE_INFO_ONLY	0x00
 #define WPS_RESPONSE_TYPE_8021X		0x01
 #define WPS_RESPONSE_TYPE_REGISTRAR	0x02
 #define WPS_RESPONSE_TYPE_AP		0x03

 /*	Value of WPS WiFi Simple Configuration State Attribute */
 #define WPS_WSC_STATE_NOT_CONFIG	0x01
 #define WPS_WSC_STATE_CONFIG		0x02

 /*	Value of WPS Version Attribute */
 #define WPS_VERSION_1			0x10

 /*	Value of WPS Configuration Method Attribute */
 #define WPS_CONFIG_METHOD_FLASH		0x0001
 #define WPS_CONFIG_METHOD_ETHERNET	0x0002
 #define WPS_CONFIG_METHOD_LABEL		0x0004
 #define WPS_CONFIG_METHOD_DISPLAY	0x0008
 #define WPS_CONFIG_METHOD_E_NFC		0x0010
 #define WPS_CONFIG_METHOD_I_NFC		0x0020
 #define WPS_CONFIG_METHOD_NFC		0x0040
 #define WPS_CONFIG_METHOD_PBC		0x0080
 #define WPS_CONFIG_METHOD_KEYPAD	0x0100
 #define WPS_CONFIG_METHOD_VPBC		0x0280
 #define WPS_CONFIG_METHOD_PPBC		0x0480
 #define WPS_CONFIG_METHOD_VDISPLAY	0x2008
 #define WPS_CONFIG_METHOD_PDISPLAY	0x4008

 /*	Value of WPS RF Bands Attribute */
 #define WPS_RF_BANDS_2_4_GHZ		0x01
 #define WPS_RF_BANDS_5_GHZ		0x02

 #define IP_MCAST_MAC(mac)				\
 	((mac[0] == 0x01) && (mac[1] == 0x00) && (mac[2] == 0x5e))
 #define ICMPV6_MCAST_MAC(mac)				\
 	((mac[0] == 0x33) && (mac[1] == 0x33) && (mac[2] != 0xff))

 #endif /*  _WIFI_H_ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/******************************************************************************
	*
	* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
	*
	******************************************************************************/
	#ifndef _WIFI_H_
	#define _WIFI_H_

	#define WLAN_HDR_A3_LEN 24
	#define WLAN_HDR_A3_QOS_LEN 26

	#define P80211CAPTURE_VERSION 0x80211001

	/* This value is tested by WiFi 11n Test Plan 5.2.3. */
	/* This test verifies the WLAN NIC can update the NAV through sending
	* the CTS with large duration.
	*/
	#define WiFiNavUpperUs 30000 /* 30 ms */

	enum WIFI_FRAME_TYPE {
	WIFI_MGT_TYPE = (0),
	WIFI_CTRL_TYPE = (BIT(2)),
	WIFI_DATA_TYPE = (BIT(3)),
	WIFI_QOS_DATA_TYPE = (BIT(7) \| BIT(3)), /* QoS Data */
	};

	#define SetToDs(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_TODS)

	#define GetToDs(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0)

	#define ClearToDs(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_TODS))

	#define SetFrDs(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_FROMDS)

	#define GetFrDs(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0)

	#define ClearFrDs(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_FROMDS))

	#define get_tofr_ds(pframe) ((GetToDs(pframe) << 1) \| GetFrDs(pframe))

	#define SetMFrag(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)

	#define GetMFrag(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0)

	#define ClearMFrag(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS))

	#define SetRetry(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_RETRY)

	#define GetRetry(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0)

	#define ClearRetry(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_RETRY))

	#define SetPwrMgt(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_PM)

	#define GetPwrMgt(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_PM)) != 0)

	#define ClearPwrMgt(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_PM))

	#define SetMData(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_MOREDATA)

	#define GetMData(pbuf) ((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0)

	#define ClearMData(pbuf) \
	(__le16 )(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREDATA))

	#define SetPrivacy(pbuf) \
	(__le16 )(pbuf) \|= cpu_to_le16(IEEE80211_FCTL_PROTECTED)

	#define GetPrivacy(pbuf) \
	((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0)

	#define GetOrder(pbuf) \
	((((__le16 )(pbuf)) & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0)

	#define GetFrameType(pbuf) \
	(le16_to_cpu((__le16 )(pbuf)) & (BIT(3) \| BIT(2)))

	#define GetFrameSubType(pbuf) (le16_to_cpu((__le16 )(pbuf)) & (BIT(7) \|\
	BIT(6) \| BIT(5) \| BIT(4) \| BIT(3) \| BIT(2)))

	#define SetFrameSubType(pbuf, type) \
	do { \
	(__le16 )(pbuf) &= cpu_to_le16(~(BIT(7) \| BIT(6) \| \
	BIT(5) \| BIT(4) \| BIT(3) \| BIT(2))); \
	(__le16 )(pbuf) \|= cpu_to_le16(type); \
	} while (0)

	#define GetSequence(pbuf) \
	(le16_to_cpu((__le16 )((size_t)(pbuf) + 22)) >> 4)

	#define GetFragNum(pbuf) \
	(le16_to_cpu((__le16 )((size_t)(pbuf) + 22)) & 0x0f)

	#define SetSeqNum(pbuf, num) \
	do { \
	(__le16 )((size_t)(pbuf) + 22) = \
	(((__le16 )((size_t)(pbuf) + 22)) & cpu_to_le16((unsigned short)0x000f)) \| \
	cpu_to_le16((unsigned short)(0xfff0 & (num << 4))); \
	} while (0)

	#define SetDuration(pbuf, dur) \
	(__le16 )((size_t)(pbuf) + 2) = cpu_to_le16(0xffff & (dur))

	#define SetPriority(pbuf, tid) \
	(__le16 )(pbuf) \|= cpu_to_le16(tid & 0xf)

	#define GetPriority(pbuf) ((le16_to_cpu((__le16 )(pbuf))) & 0xf)

	#define SetEOSP(pbuf, eosp) \
	(__le16 )(pbuf) \|= cpu_to_le16((eosp & 1) << 4)

	#define SetAckpolicy(pbuf, ack) \
	(__le16 )(pbuf) \|= cpu_to_le16((ack & 3) << 5)

	#define GetAckpolicy(pbuf) (((le16_to_cpu((__le16 )pbuf)) >> 5) & 0x3)

	#define GetAMsdu(pbuf) (((le16_to_cpu((__le16 )pbuf)) >> 7) & 0x1)

	#define GetAid(pbuf) (le16_to_cpu((__le16 )((size_t)(pbuf) + 2)) & 0x3fff)

	#define GetAddr1Ptr(pbuf) ((unsigned char *)((size_t)(pbuf) + 4))

	#define GetAddr2Ptr(pbuf) ((unsigned char *)((size_t)(pbuf) + 10))

	#define GetAddr3Ptr(pbuf) ((unsigned char *)((size_t)(pbuf) + 16))

	static inline unsigned char get_hdr_bssid(unsigned char pframe)
	{
	unsigned char *sa;
	unsigned int to_fr_ds = (GetToDs(pframe) << 1) \| GetFrDs(pframe);

	switch (to_fr_ds) {
	case 0x00: /* ToDs=0, FromDs=0 */
	sa = GetAddr3Ptr(pframe);
	break;
	case 0x01: /* ToDs=0, FromDs=1 */
	sa = GetAddr2Ptr(pframe);
	break;
	case 0x02: /* ToDs=1, FromDs=0 */
	sa = GetAddr1Ptr(pframe);
	break;
	case 0x03: /* ToDs=1, FromDs=1 */
	sa = GetAddr1Ptr(pframe);
	break;
	default:
	sa = NULL; /* */
	break;
	}
	return sa;
	}

	/*-----------------------------------------------------------------------------
	Below is for the security related definition
	------------------------------------------------------------------------------*/
	#define _ASOCREQ_IE_OFFSET_ 4 /* excluding wlan_hdr */
	#define _ASOCRSP_IE_OFFSET_ 6
	#define _REASOCREQ_IE_OFFSET_ 10
	#define _REASOCRSP_IE_OFFSET_ 6
	#define _PROBEREQ_IE_OFFSET_ 0
	#define _PROBERSP_IE_OFFSET_ 12
	#define _AUTH_IE_OFFSET_ 6
	#define _DEAUTH_IE_OFFSET_ 0
	#define _BEACON_IE_OFFSET_ 12
	#define _PUBLIC_ACTION_IE_OFFSET_ 8

	#define _FIXED_IE_LENGTH_ _BEACON_IE_OFFSET_

	/* ---------------------------------------------------------------------------
	Below is the fixed elements...
	-----------------------------------------------------------------------------*/
	#define _AUTH_ALGM_NUM_ 2
	#define _AUTH_SEQ_NUM_ 2
	#define _BEACON_ITERVAL_ 2
	#define _CAPABILITY_ 2
	#define _CURRENT_APADDR_ 6
	#define _LISTEN_INTERVAL_ 2
	#define _RSON_CODE_ 2
	#define _ASOC_ID_ 2
	#define _STATUS_CODE_ 2
	#define _TIMESTAMP_ 8

	#define AUTH_ODD_TO 0
	#define AUTH_EVEN_TO 1

	/*-----------------------------------------------------------------------------
	Below is the definition for 802.11i / 802.1x
	------------------------------------------------------------------------------*/
	#define _IEEE8021X_MGT_ 1 /* WPA */
	#define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */

	/*
	* #define _NO_PRIVACY_ 0
	* #define _WEP_40_PRIVACY_ 1
	* #define _TKIP_PRIVACY_ 2
	* #define _WRAP_PRIVACY_ 3
	* #define _CCMP_PRIVACY_ 4
	* #define _WEP_104_PRIVACY_ 5
	* #define _WEP_WPA_MIXED_PRIVACY_ 6 WEP + WPA
	*/

	/*-----------------------------------------------------------------------------
	Below is the definition for WMM
	------------------------------------------------------------------------------*/
	#define _WMM_IE_Length_ 7 /* for WMM STA */

	/*-----------------------------------------------------------------------------
	Below is the definition for 802.11n
	------------------------------------------------------------------------------*/

	/**
	* struct rtw_ieee80211_ht_cap - HT additional information
	*
	* This structure refers to "HT information element" as
	* described in 802.11n draft section 7.3.2.53
	*/
	struct ieee80211_ht_addt_info {
	unsigned char control_chan;
	unsigned char ht_param;
	unsigned short operation_mode;
	unsigned short stbc_param;
	unsigned char basic_set[16];
	} __packed;

	struct HT_info_element {
	unsigned char primary_channel;
	unsigned char infos[5];
	unsigned char MCS_rate[16];
	} __packed;

	struct AC_param {
	unsigned char ACI_AIFSN;
	unsigned char CW;
	__le16 TXOP_limit;
	} __packed;

	struct WMM_para_element {
	unsigned char QoS_info;
	unsigned char reserved;
	struct AC_param ac_param[4];
	} __packed;

	struct ADDBA_request {
	unsigned char dialog_token;
	__le16 BA_para_set;
	unsigned short BA_timeout_value;
	unsigned short BA_starting_seqctrl;
	} __packed;

	enum ht_cap_ampdu_factor {
	MAX_AMPDU_FACTOR_8K = 0,
	MAX_AMPDU_FACTOR_16K = 1,
	MAX_AMPDU_FACTOR_32K = 2,
	MAX_AMPDU_FACTOR_64K = 3,
	};

	#define OP_MODE_PURE 0
	#define OP_MODE_MAY_BE_LEGACY_STAS 1
	#define OP_MODE_20MHZ_HT_STA_ASSOCED 2
	#define OP_MODE_MIXED 3

	#define HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK ((u8)BIT(0) \| BIT(1))
	#define HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE ((u8)BIT(0))
	#define HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW ((u8)BIT(0) \| BIT(1))
	#define HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH ((u8)BIT(2))
	#define HT_INFO_HT_PARAM_RIFS_MODE ((u8)BIT(3))
	#define HT_INFO_HT_PARAM_CTRL_ACCESS_ONLY ((u8)BIT(4))
	#define HT_INFO_HT_PARAM_SRV_INTERVAL_GRANULARITY ((u8)BIT(5))

	#define HT_INFO_OPERATION_MODE_OP_MODE_MASK \
	((u16)(0x0001 \| 0x0002))
	#define HT_INFO_OPERATION_MODE_OP_MODE_OFFSET 0
	#define HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT ((u8)BIT(2))
	#define HT_INFO_OPERATION_MODE_TRANSMIT_BURST_LIMIT ((u8)BIT(3))
	#define HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT ((u8)BIT(4))

	/* ===============WPS Section=============== */
	/* For WPSv1.0 */
	#define WPSOUI 0x0050f204
	/* WPS attribute ID */
	#define WPS_ATTR_VER1 0x104A
	#define WPS_ATTR_SIMPLE_CONF_STATE 0x1044
	#define WPS_ATTR_RESP_TYPE 0x103B
	#define WPS_ATTR_UUID_E 0x1047
	#define WPS_ATTR_MANUFACTURER 0x1021
	#define WPS_ATTR_MODEL_NAME 0x1023
	#define WPS_ATTR_MODEL_NUMBER 0x1024
	#define WPS_ATTR_SERIAL_NUMBER 0x1042
	#define WPS_ATTR_PRIMARY_DEV_TYPE 0x1054
	#define WPS_ATTR_SEC_DEV_TYPE_LIST 0x1055
	#define WPS_ATTR_DEVICE_NAME 0x1011
	#define WPS_ATTR_CONF_METHOD 0x1008
	#define WPS_ATTR_RF_BANDS 0x103C
	#define WPS_ATTR_DEVICE_PWID 0x1012
	#define WPS_ATTR_REQUEST_TYPE 0x103A
	#define WPS_ATTR_ASSOCIATION_STATE 0x1002
	#define WPS_ATTR_CONFIG_ERROR 0x1009
	#define WPS_ATTR_VENDOR_EXT 0x1049
	#define WPS_ATTR_SELECTED_REGISTRAR 0x1041

	/* Value of WPS Request Type Attribute */
	#define WPS_REQ_TYPE_ENROLLEE_INFO_ONLY 0x00
	#define WPS_REQ_TYPE_ENROLLEE_OPEN_8021X 0x01
	#define WPS_REQ_TYPE_REGISTRAR 0x02
	#define WPS_REQ_TYPE_WLAN_MANAGER_REGISTRAR 0x03

	/* Value of WPS Response Type Attribute */
	#define WPS_RESPONSE_TYPE_INFO_ONLY 0x00
	#define WPS_RESPONSE_TYPE_8021X 0x01
	#define WPS_RESPONSE_TYPE_REGISTRAR 0x02
	#define WPS_RESPONSE_TYPE_AP 0x03

	/* Value of WPS WiFi Simple Configuration State Attribute */
	#define WPS_WSC_STATE_NOT_CONFIG 0x01
	#define WPS_WSC_STATE_CONFIG 0x02

	/* Value of WPS Version Attribute */
	#define WPS_VERSION_1 0x10

	/* Value of WPS Configuration Method Attribute */
	#define WPS_CONFIG_METHOD_FLASH 0x0001
	#define WPS_CONFIG_METHOD_ETHERNET 0x0002
	#define WPS_CONFIG_METHOD_LABEL 0x0004
	#define WPS_CONFIG_METHOD_DISPLAY 0x0008
	#define WPS_CONFIG_METHOD_E_NFC 0x0010
	#define WPS_CONFIG_METHOD_I_NFC 0x0020
	#define WPS_CONFIG_METHOD_NFC 0x0040
	#define WPS_CONFIG_METHOD_PBC 0x0080
	#define WPS_CONFIG_METHOD_KEYPAD 0x0100
	#define WPS_CONFIG_METHOD_VPBC 0x0280
	#define WPS_CONFIG_METHOD_PPBC 0x0480
	#define WPS_CONFIG_METHOD_VDISPLAY 0x2008
	#define WPS_CONFIG_METHOD_PDISPLAY 0x4008

	/* Value of WPS RF Bands Attribute */
	#define WPS_RF_BANDS_2_4_GHZ 0x01
	#define WPS_RF_BANDS_5_GHZ 0x02

	#define IP_MCAST_MAC(mac) \
	((mac[0] == 0x01) && (mac[1] == 0x00) && (mac[2] == 0x5e))
	#define ICMPV6_MCAST_MAC(mac) \
	((mac[0] == 0x33) && (mac[1] == 0x33) && (mac[2] != 0xff))

	#endif /* _WIFI_H_ */