[mirror_ubuntu-artful-kernel.git] / drivers / staging / rtl8712 / wifi.h

/******************************************************************************
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/
#ifndef _WIFI_H_
#define _WIFI_H_

#include <linux/compiler.h>

#ifdef BIT
#undef BIT
#endif
#define BIT(x)	(1 << (x))

#define WLAN_ETHHDR_LEN		14
#define WLAN_ETHADDR_LEN	6
#define WLAN_IEEE_OUI_LEN	3
#define WLAN_ADDR_LEN		6
#define WLAN_CRC_LEN		4
#define WLAN_BSSID_LEN		6
#define WLAN_BSS_TS_LEN		8
#define WLAN_HDR_A3_LEN		24
#define WLAN_HDR_A4_LEN		30
#define WLAN_HDR_A3_QOS_LEN	26
#define WLAN_HDR_A4_QOS_LEN	32
#define WLAN_SSID_MAXLEN	32
#define WLAN_DATA_MAXLEN	2312

#define WLAN_A3_PN_OFFSET	24
#define WLAN_A4_PN_OFFSET	30

#define WLAN_MIN_ETHFRM_LEN	60
#define WLAN_MAX_ETHFRM_LEN	1514
#define WLAN_ETHHDR_LEN		14

#define P80211CAPTURE_VERSION	0x80211001

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 */
};

enum WIFI_FRAME_SUBTYPE {
	/* below is for mgt frame */
	WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
	WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
	WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
	WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
	WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
	WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
	WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
	WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
	/* below is for control frame */
	WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
	WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
	WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
	WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
	WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
	WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
	/* below is for data frame */
	WIFI_DATA           = (0 | WIFI_DATA_TYPE),
	WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
	WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
	WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
	WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
	WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
	WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
	WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
};

enum WIFI_REASON_CODE	{
	_RSON_RESERVED_			= 0,
	_RSON_UNSPECIFIED_		= 1,
	_RSON_AUTH_NO_LONGER_VALID_	= 2,
	_RSON_DEAUTH_STA_LEAVING_	= 3,
	_RSON_INACTIVITY_		= 4,
	_RSON_UNABLE_HANDLE_		= 5,
	_RSON_CLS2_			= 6,
	_RSON_CLS3_			= 7,
	_RSON_DISAOC_STA_LEAVING_	= 8,
	_RSON_ASOC_NOT_AUTH_		= 9,
	/* WPA reason */
	_RSON_INVALID_IE_		= 13,
	_RSON_MIC_FAILURE_		= 14,
	_RSON_4WAY_HNDSHK_TIMEOUT_	= 15,
	_RSON_GROUP_KEY_UPDATE_TIMEOUT_	= 16,
	_RSON_DIFF_IE_			= 17,
	_RSON_MLTCST_CIPHER_NOT_VALID_	= 18,
	_RSON_UNICST_CIPHER_NOT_VALID_	= 19,
	_RSON_AKMP_NOT_VALID_		= 20,
	_RSON_UNSUPPORT_RSNE_VER_	= 21,
	_RSON_INVALID_RSNE_CAP_		= 22,
	_RSON_IEEE_802DOT1X_AUTH_FAIL_	= 23,
	/* below are Realtek definitions */
	_RSON_PMK_NOT_AVAILABLE_	= 24,
};

enum WIFI_STATUS_CODE {
	_STATS_SUCCESSFUL_		= 0,
	_STATS_FAILURE_			= 1,
	_STATS_CAP_FAIL_		= 10,
	_STATS_NO_ASOC_			= 11,
	_STATS_OTHER_			= 12,
	_STATS_NO_SUPP_ALG_		= 13,
	_STATS_OUT_OF_AUTH_SEQ_		= 14,
	_STATS_CHALLENGE_FAIL_		= 15,
	_STATS_AUTH_TIMEOUT_		= 16,
	_STATS_UNABLE_HANDLE_STA_	= 17,
	_STATS_RATE_FAIL_		= 18,
};

enum WIFI_REG_DOMAIN {
	DOMAIN_FCC	= 1,
	DOMAIN_IC	= 2,
	DOMAIN_ETSI	= 3,
	DOMAIN_SPAIN	= 4,
	DOMAIN_FRANCE	= 5,
	DOMAIN_MKK	= 6,
	DOMAIN_ISRAEL	= 7,
	DOMAIN_MKK1	= 8,
	DOMAIN_MKK2	= 9,
	DOMAIN_MKK3	= 10,
	DOMAIN_MAX
};

#define _TO_DS_		BIT(8)
#define _FROM_DS_	BIT(9)
#define _MORE_FRAG_	BIT(10)
#define _RETRY_		BIT(11)
#define _PWRMGT_	BIT(12)
#define _MORE_DATA_	BIT(13)
#define _PRIVACY_	BIT(14)
#define _ORDER_		BIT(15)

#define SetToDs(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
})

#define GetToDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_TO_DS_)) != 0)

#define ClearToDs(pbuf)	({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
})

#define SetFrDs(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
})

#define GetFrDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_FROM_DS_)) != 0)

#define ClearFrDs(pbuf)	({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
})

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


#define SetMFrag(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
})

#define GetMFrag(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_MORE_FRAG_)) != 0)

#define ClearMFrag(pbuf) ({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
})

#define SetRetry(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
})

#define GetRetry(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_RETRY_)) != 0)

#define ClearRetry(pbuf) ({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
})

#define SetPwrMgt(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
})

#define GetPwrMgt(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_PWRMGT_)) != 0)

#define ClearPwrMgt(pbuf) ({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
})

#define SetMData(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
})

#define GetMData(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_MORE_DATA_)) != 0)

#define ClearMData(pbuf) ({ \
	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
})

#define SetPrivacy(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
})

#define GetPrivacy(pbuf)	(((*(unsigned short *)(pbuf)) & \
				le16_to_cpu(_PRIVACY_)) != 0)

#define GetOrder(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_ORDER_)) != 0)

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

#define SetFrameType(pbuf, type)	\
	do {	\
		*(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
		BIT(2))); \
		*(unsigned short *)(pbuf) |= cpu_to_le16(type); \
	} while (0)

#define GetFrameSubType(pbuf)	(cpu_to_le16(*(unsigned short *)(pbuf)) & \
				(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
				BIT(2)))

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

#define GetSequence(pbuf)	(cpu_to_le16(*(unsigned short *)\
				((addr_t)(pbuf) + 22)) >> 4)

#define GetFragNum(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)\
				(pbuf) + 22)) & 0x0f)

#define SetSeqNum(pbuf, num) ({ \
	*(unsigned short *)((addr_t)(pbuf) + 22) = \
	((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
	le16_to_cpu((unsigned short)0x000f)) | \
	le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
})

#define SetDuration(pbuf, dur) ({ \
	*(unsigned short *)((addr_t)(pbuf) + 2) |= \
	cpu_to_le16(0xffff & (dur)); \
})

#define SetPriority(pbuf, tid) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
})

#define GetPriority(pbuf)	((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)

#define SetAckpolicy(pbuf, ack) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
})

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

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

#define GetAid(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
			& 0x3fff)

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

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

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

#define GetAddr4Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 24))


static inline int IS_MCAST(unsigned char *da)
{
	if ((*da) & 0x01)
		return true;
	else
		return false;
}


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

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


static inline unsigned char *get_sa(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 = GetAddr2Ptr(pframe);
		break;
	case 0x01:	/* ToDs=0, FromDs=1 */
		sa = GetAddr3Ptr(pframe);
		break;
	case 0x02:	/* ToDs=1, FromDs=0 */
		sa = GetAddr2Ptr(pframe);
		break;
	default:	/* ToDs=1, FromDs=1 */
		sa = GetAddr4Ptr(pframe);
		break;
	}

	return sa;
}

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;
	default:	/* ToDs=1, FromDs=1 */
		sa = NULL;
		break;
	}
	return sa;
}


/*-----------------------------------------------------------------------------
			Below is for the security related definition
------------------------------------------------------------------------------*/
#define _RESERVED_FRAME_TYPE_	0
#define _SKB_FRAME_TYPE_	2
#define _PRE_ALLOCMEM_		1
#define _PRE_ALLOCHDR_		3
#define _PRE_ALLOCLLCHDR_	4
#define _PRE_ALLOCICVHDR_	5
#define _PRE_ALLOCMICHDR_	6

#define _SIFSTIME_		((priv->pmib->BssType.net_work_type & \
				WIRELESS_11A) ? 16 : 10)
#define _ACKCTSLNG_		14	/*14 bytes long, including crclng */
#define _CRCLNG_		4

#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 _FIXED_IE_LENGTH_	_BEACON_IE_OFFSET_

#define _SSID_IE_		0
#define _SUPPORTEDRATES_IE_	1
#define _DSSET_IE_		3
#define _IBSS_PARA_IE_		6
#define _ERPINFO_IE_		42
#define _EXT_SUPPORTEDRATES_IE_	50

#define _HT_CAPABILITY_IE_	45
#define _HT_EXTRA_INFO_IE_	61
#define _HT_ADD_INFO_IE_	61 /* _HT_EXTRA_INFO_IE_ */

#define _VENDOR_SPECIFIC_IE_	221

#define	_RESERVED47_		47


/* ---------------------------------------------------------------------------
					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

#define WLAN_ETHCONV_ENCAP		1
#define WLAN_ETHCONV_RFC1042	2
#define WLAN_ETHCONV_8021h		3

#define cap_ESS BIT(0)
#define cap_IBSS BIT(1)
#define cap_CFPollable BIT(2)
#define cap_CFRequest BIT(3)
#define cap_Privacy BIT(4)
#define cap_ShortPremble BIT(5)

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

/*-----------------------------------------------------------------------------
				Below is the definition for WMM
------------------------------------------------------------------------------*/
#define _WMM_IE_Length_				7  /* for WMM STA */
#define _WMM_Para_Element_Length_		24


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

/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

#define SetOrderBit(pbuf) ({ \
	*(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
})

#define GetOrderBit(pbuf)	(((*(unsigned short *)(pbuf)) & \
				le16_to_cpu(_ORDER_)) != 0)


/**
 * struct ieee80211_bar - HT Block Ack Request
 *
 * This structure refers to "HT BlockAckReq" as
 * described in 802.11n draft section 7.2.1.7.1
 */
struct ieee80211_bar {
	unsigned short frame_control;
	unsigned short duration;
	unsigned char ra[6];
	unsigned char ta[6];
	unsigned short control;
	unsigned short start_seq_num;
} __packed;

/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004


 /**
 * struct ieee80211_ht_cap - HT capabilities
 *
 * This structure refers to "HT capabilities element" as
 * described in 802.11n draft section 7.3.2.52
 */

struct ieee80211_ht_cap {
	unsigned short	cap_info;
	unsigned char	ampdu_params_info;
	unsigned char	supp_mcs_set[16];
	unsigned short	extended_ht_cap_info;
	unsigned int		tx_BF_cap_info;
	unsigned char	       antenna_selection_info;
} __packed;

/**
 * struct 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;

/* 802.11n HT capabilities masks */
#define IEEE80211_HT_CAP_SUP_WIDTH		0x0002
#define IEEE80211_HT_CAP_SM_PS			0x000C
#define IEEE80211_HT_CAP_GRN_FLD		0x0010
#define IEEE80211_HT_CAP_SGI_20			0x0020
#define IEEE80211_HT_CAP_SGI_40			0x0040
#define IEEE80211_HT_CAP_TX_STBC			0x0080
#define IEEE80211_HT_CAP_DELAY_BA		0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
/* 802.11n HT capability AMPDU settings */
#define IEEE80211_HT_CAP_AMPDU_FACTOR		0x03
#define IEEE80211_HT_CAP_AMPDU_DENSITY		0x1C
/* 802.11n HT capability MSC set */
#define IEEE80211_SUPP_MCS_SET_UEQM		4
#define IEEE80211_HT_CAP_MAX_STREAMS		4
#define IEEE80211_SUPP_MCS_SET_LEN		10
/* maximum streams the spec allows */
#define IEEE80211_HT_CAP_MCS_TX_DEFINED		0x01
#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF		0x02
#define IEEE80211_HT_CAP_MCS_TX_STREAMS		0x0C
#define IEEE80211_HT_CAP_MCS_TX_UEQM		0x10
/* 802.11n HT IE masks */
#define IEEE80211_HT_IE_CHA_SEC_OFFSET		0x03
#define IEEE80211_HT_IE_CHA_SEC_NONE		0x00
#define IEEE80211_HT_IE_CHA_SEC_ABOVE		0x01
#define IEEE80211_HT_IE_CHA_SEC_BELOW		0x03
#define IEEE80211_HT_IE_CHA_WIDTH		0x04
#define IEEE80211_HT_IE_HT_PROTECTION		0x0003
#define IEEE80211_HT_IE_NON_GF_STA_PRSNT	0x0004
#define IEEE80211_HT_IE_NON_HT_STA_PRSNT	0x0010

/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

/*
 * A-PMDU buffer sizes
 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 */
#define IEEE80211_MIN_AMPDU_BUF 0x8
#define IEEE80211_MAX_AMPDU_BUF 0x40


/* Spatial Multiplexing Power Save Modes */
#define WLAN_HT_CAP_SM_PS_STATIC		0
#define WLAN_HT_CAP_SM_PS_DYNAMIC	1
#define WLAN_HT_CAP_SM_PS_INVALID	2
#define WLAN_HT_CAP_SM_PS_DISABLED	3

#endif /* _WIFI_H_ */
Commit	Line	Data
cf3e6881 AB	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
	18	* Modifications for inclusion into the Linux staging tree are
	19	* Copyright(c) 2010 Larry Finger. All rights reserved.
	20	*
	21	* Contact information:
	22	* WLAN FAE <wlanfae@realtek.com>
	23	* Larry Finger <Larry.Finger@lwfinger.net>
	24	*
	25	******************************************************************************/
2865d42c LF	26	#ifndef _WIFI_H_
	27	#define _WIFI_H_
	28
40878364	29	#include <linux/compiler.h>
2865d42c LF	30
	31	#ifdef BIT
	32	#undef BIT
	33	#endif
	34	#define BIT(x) (1 << (x))
	35
	36	#define WLAN_ETHHDR_LEN 14
	37	#define WLAN_ETHADDR_LEN 6
	38	#define WLAN_IEEE_OUI_LEN 3
	39	#define WLAN_ADDR_LEN 6
	40	#define WLAN_CRC_LEN 4
	41	#define WLAN_BSSID_LEN 6
	42	#define WLAN_BSS_TS_LEN 8
	43	#define WLAN_HDR_A3_LEN 24
	44	#define WLAN_HDR_A4_LEN 30
	45	#define WLAN_HDR_A3_QOS_LEN 26
	46	#define WLAN_HDR_A4_QOS_LEN 32
	47	#define WLAN_SSID_MAXLEN 32
	48	#define WLAN_DATA_MAXLEN 2312
	49
	50	#define WLAN_A3_PN_OFFSET 24
	51	#define WLAN_A4_PN_OFFSET 30
	52
	53	#define WLAN_MIN_ETHFRM_LEN 60
	54	#define WLAN_MAX_ETHFRM_LEN 1514
	55	#define WLAN_ETHHDR_LEN 14
	56
	57	#define P80211CAPTURE_VERSION 0x80211001
	58
	59	enum WIFI_FRAME_TYPE {
	60	WIFI_MGT_TYPE = (0),
	61	WIFI_CTRL_TYPE = (BIT(2)),
	62	WIFI_DATA_TYPE = (BIT(3)),
	63	WIFI_QOS_DATA_TYPE = (BIT(7)\|BIT(3)), /!< QoS Data /
	64	};
	65
	66	enum WIFI_FRAME_SUBTYPE {
0593758e JM	67	/* below is for mgt frame */
	68	WIFI_ASSOCREQ = (0 \| WIFI_MGT_TYPE),
	69	WIFI_ASSOCRSP = (BIT(4) \| WIFI_MGT_TYPE),
	70	WIFI_REASSOCREQ = (BIT(5) \| WIFI_MGT_TYPE),
	71	WIFI_REASSOCRSP = (BIT(5) \| BIT(4) \| WIFI_MGT_TYPE),
	72	WIFI_PROBEREQ = (BIT(6) \| WIFI_MGT_TYPE),
	73	WIFI_PROBERSP = (BIT(6) \| BIT(4) \| WIFI_MGT_TYPE),
	74	WIFI_BEACON = (BIT(7) \| WIFI_MGT_TYPE),
	75	WIFI_ATIM = (BIT(7) \| BIT(4) \| WIFI_MGT_TYPE),
	76	WIFI_DISASSOC = (BIT(7) \| BIT(5) \| WIFI_MGT_TYPE),
	77	WIFI_AUTH = (BIT(7) \| BIT(5) \| BIT(4) \| WIFI_MGT_TYPE),
	78	WIFI_DEAUTH = (BIT(7) \| BIT(6) \| WIFI_MGT_TYPE),
	79	WIFI_ACTION = (BIT(7) \| BIT(6) \| BIT(4) \| WIFI_MGT_TYPE),
	80	/* below is for control frame */
	81	WIFI_PSPOLL = (BIT(7) \| BIT(5) \| WIFI_CTRL_TYPE),
	82	WIFI_RTS = (BIT(7) \| BIT(5) \| BIT(4) \| WIFI_CTRL_TYPE),
	83	WIFI_CTS = (BIT(7) \| BIT(6) \| WIFI_CTRL_TYPE),
	84	WIFI_ACK = (BIT(7) \| BIT(6) \| BIT(4) \| WIFI_CTRL_TYPE),
	85	WIFI_CFEND = (BIT(7) \| BIT(6) \| BIT(5) \| WIFI_CTRL_TYPE),
	86	WIFI_CFEND_CFACK = (BIT(7) \| BIT(6) \| BIT(5) \| BIT(4) \| WIFI_CTRL_TYPE),
	87	/* below is for data frame */
	88	WIFI_DATA = (0 \| WIFI_DATA_TYPE),
	89	WIFI_DATA_CFACK = (BIT(4) \| WIFI_DATA_TYPE),
	90	WIFI_DATA_CFPOLL = (BIT(5) \| WIFI_DATA_TYPE),
	91	WIFI_DATA_CFACKPOLL = (BIT(5) \| BIT(4) \| WIFI_DATA_TYPE),
	92	WIFI_DATA_NULL = (BIT(6) \| WIFI_DATA_TYPE),
	93	WIFI_CF_ACK = (BIT(6) \| BIT(4) \| WIFI_DATA_TYPE),
	94	WIFI_CF_POLL = (BIT(6) \| BIT(5) \| WIFI_DATA_TYPE),
	95	WIFI_CF_ACKPOLL = (BIT(6) \| BIT(5) \| BIT(4) \| WIFI_DATA_TYPE),
2865d42c LF	96	};
	97
	98	enum WIFI_REASON_CODE {
	99	_RSON_RESERVED_ = 0,
	100	_RSON_UNSPECIFIED_ = 1,
	101	_RSON_AUTH_NO_LONGER_VALID_ = 2,
	102	_RSON_DEAUTH_STA_LEAVING_ = 3,
	103	_RSON_INACTIVITY_ = 4,
	104	_RSON_UNABLE_HANDLE_ = 5,
	105	_RSON_CLS2_ = 6,
	106	_RSON_CLS3_ = 7,
	107	_RSON_DISAOC_STA_LEAVING_ = 8,
	108	_RSON_ASOC_NOT_AUTH_ = 9,
2865d42c LF	109	/* WPA reason */
	110	_RSON_INVALID_IE_ = 13,
	111	_RSON_MIC_FAILURE_ = 14,
	112	_RSON_4WAY_HNDSHK_TIMEOUT_ = 15,
	113	_RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
	114	_RSON_DIFF_IE_ = 17,
	115	_RSON_MLTCST_CIPHER_NOT_VALID_ = 18,
	116	_RSON_UNICST_CIPHER_NOT_VALID_ = 19,
	117	_RSON_AKMP_NOT_VALID_ = 20,
	118	_RSON_UNSUPPORT_RSNE_VER_ = 21,
	119	_RSON_INVALID_RSNE_CAP_ = 22,
	120	_RSON_IEEE_802DOT1X_AUTH_FAIL_ = 23,
2865d42c LF	121	/* below are Realtek definitions */
	122	_RSON_PMK_NOT_AVAILABLE_ = 24,
	123	};
	124
	125	enum WIFI_STATUS_CODE {
	126	_STATS_SUCCESSFUL_ = 0,
	127	_STATS_FAILURE_ = 1,
	128	_STATS_CAP_FAIL_ = 10,
	129	_STATS_NO_ASOC_ = 11,
	130	_STATS_OTHER_ = 12,
	131	_STATS_NO_SUPP_ALG_ = 13,
	132	_STATS_OUT_OF_AUTH_SEQ_ = 14,
	133	_STATS_CHALLENGE_FAIL_ = 15,
	134	_STATS_AUTH_TIMEOUT_ = 16,
	135	_STATS_UNABLE_HANDLE_STA_ = 17,
	136	_STATS_RATE_FAIL_ = 18,
	137	};
	138
	139	enum WIFI_REG_DOMAIN {
	140	DOMAIN_FCC = 1,
	141	DOMAIN_IC = 2,
	142	DOMAIN_ETSI = 3,
	143	DOMAIN_SPAIN = 4,
	144	DOMAIN_FRANCE = 5,
	145	DOMAIN_MKK = 6,
	146	DOMAIN_ISRAEL = 7,
	147	DOMAIN_MKK1 = 8,
	148	DOMAIN_MKK2 = 9,
	149	DOMAIN_MKK3 = 10,
	150	DOMAIN_MAX
	151	};
	152
	153	#define _TO_DS_ BIT(8)
	154	#define _FROM_DS_ BIT(9)
	155	#define _MORE_FRAG_ BIT(10)
	156	#define _RETRY_ BIT(11)
	157	#define _PWRMGT_ BIT(12)
	158	#define _MORE_DATA_ BIT(13)
	159	#define _PRIVACY_ BIT(14)
	160	#define _ORDER_ BIT(15)
	161
c07f9721 PF	162	#define SetToDs(pbuf) ({ \
	163	(unsigned short )(pbuf) \|= cpu_to_le16(_TO_DS_); \
	164	})
2865d42c LF	165
	166	#define GetToDs(pbuf) ((((unsigned short )(pbuf)) & \
	167	le16_to_cpu(_TO_DS_)) != 0)
	168
c07f9721 PF	169	#define ClearToDs(pbuf) ({ \
	170	(unsigned short )(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
	171	})
2865d42c	172
c07f9721 PF	173	#define SetFrDs(pbuf) ({ \
	174	(unsigned short )(pbuf) \|= cpu_to_le16(_FROM_DS_); \
	175	})
2865d42c LF	176
	177	#define GetFrDs(pbuf) ((((unsigned short )(pbuf)) & \
	178	le16_to_cpu(_FROM_DS_)) != 0)
	179
c07f9721 PF	180	#define ClearFrDs(pbuf) ({ \
	181	(unsigned short )(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
	182	})
2865d42c LF	183
	184	#define get_tofr_ds(pframe) ((GetToDs(pframe) << 1) \| GetFrDs(pframe))
	185
	186
c07f9721 PF	187	#define SetMFrag(pbuf) ({ \
	188	(unsigned short )(pbuf) \|= cpu_to_le16(_MORE_FRAG_); \
	189	})
2865d42c LF	190
	191	#define GetMFrag(pbuf) ((((unsigned short )(pbuf)) & \
	192	le16_to_cpu(_MORE_FRAG_)) != 0)
	193
c07f9721 PF	194	#define ClearMFrag(pbuf) ({ \
	195	(unsigned short )(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
	196	})
2865d42c	197
c07f9721 PF	198	#define SetRetry(pbuf) ({ \
	199	(unsigned short )(pbuf) \|= cpu_to_le16(_RETRY_); \
	200	})
2865d42c LF	201
	202	#define GetRetry(pbuf) ((((unsigned short )(pbuf)) & \
	203	le16_to_cpu(_RETRY_)) != 0)
	204
c07f9721 PF	205	#define ClearRetry(pbuf) ({ \
	206	(unsigned short )(pbuf) &= (~cpu_to_le16(_RETRY_)); \
	207	})
2865d42c	208
c07f9721 PF	209	#define SetPwrMgt(pbuf) ({ \
	210	(unsigned short )(pbuf) \|= cpu_to_le16(_PWRMGT_); \
	211	})
2865d42c LF	212
	213	#define GetPwrMgt(pbuf) ((((unsigned short )(pbuf)) & \
	214	le16_to_cpu(_PWRMGT_)) != 0)
	215
c07f9721 PF	216	#define ClearPwrMgt(pbuf) ({ \
	217	(unsigned short )(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
	218	})
2865d42c	219
c07f9721 PF	220	#define SetMData(pbuf) ({ \
	221	(unsigned short )(pbuf) \|= cpu_to_le16(_MORE_DATA_); \
	222	})
2865d42c LF	223
	224	#define GetMData(pbuf) ((((unsigned short )(pbuf)) & \
	225	le16_to_cpu(_MORE_DATA_)) != 0)
	226
c07f9721 PF	227	#define ClearMData(pbuf) ({ \
	228	(unsigned short )(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
	229	})
2865d42c	230
c07f9721 PF	231	#define SetPrivacy(pbuf) ({ \
	232	(unsigned short )(pbuf) \|= cpu_to_le16(_PRIVACY_); \
	233	})
2865d42c LF	234
	235	#define GetPrivacy(pbuf) ((((unsigned short )(pbuf)) & \
	236	le16_to_cpu(_PRIVACY_)) != 0)
	237
2865d42c LF	238	#define GetOrder(pbuf) ((((unsigned short )(pbuf)) & \
	239	le16_to_cpu(_ORDER_)) != 0)
	240
	241	#define GetFrameType(pbuf) (le16_to_cpu((unsigned short )(pbuf)) & \
	242	(BIT(3) \| BIT(2)))
	243
	244	#define SetFrameType(pbuf, type) \
	245	do { \
58662d9f	246	(unsigned short )(pbuf) &= cpu_to_le16(~(BIT(3) \| \
2865d42c	247	BIT(2))); \
58662d9f	248	(unsigned short )(pbuf) \|= cpu_to_le16(type); \
2865d42c LF	249	} while (0)
	250
	251	#define GetFrameSubType(pbuf) (cpu_to_le16((unsigned short )(pbuf)) & \
	252	(BIT(7) \| BIT(6) \| BIT(5) \| BIT(4) \| BIT(3) \| \
	253	BIT(2)))
	254
	255	#define SetFrameSubType(pbuf, type) \
	256	do { \
	257	(unsigned short )(pbuf) &= cpu_to_le16(~(BIT(7) \| BIT(6) \| \
	258	BIT(5) \| BIT(4) \| BIT(3) \| BIT(2))); \
	259	(unsigned short )(pbuf) \|= cpu_to_le16(type); \
	260	} while (0)
	261
	262	#define GetSequence(pbuf) (cpu_to_le16((unsigned short )\
	263	((addr_t)(pbuf) + 22)) >> 4)
	264
	265	#define GetFragNum(pbuf) (cpu_to_le16((unsigned short )((addr_t)\
	266	(pbuf) + 22)) & 0x0f)
	267
c07f9721 PF	268	#define SetSeqNum(pbuf, num) ({ \
	269	(unsigned short )((addr_t)(pbuf) + 22) = \
	270	(((unsigned short )((addr_t)(pbuf) + 22)) & \
	271	le16_to_cpu((unsigned short)0x000f)) \| \
	272	le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
	273	})
	274
	275	#define SetDuration(pbuf, dur) ({ \
	276	(unsigned short )((addr_t)(pbuf) + 2) \|= \
	277	cpu_to_le16(0xffff & (dur)); \
	278	})
	279
	280	#define SetPriority(pbuf, tid) ({ \
	281	(unsigned short )(pbuf) \|= cpu_to_le16(tid & 0xf); \
	282	})
2865d42c LF	283
	284	#define GetPriority(pbuf) ((le16_to_cpu((unsigned short )(pbuf))) & 0xf)
	285
c07f9721 PF	286	#define SetAckpolicy(pbuf, ack) ({ \
	287	(unsigned short )(pbuf) \|= cpu_to_le16((ack & 3) << 5); \
	288	})
2865d42c LF	289
	290	#define GetAckpolicy(pbuf) (((le16_to_cpu((unsigned short )pbuf)) >> 5) & 0x3)
	291
	292	#define GetAMsdu(pbuf) (((le16_to_cpu((unsigned short )pbuf)) >> 7) & 0x1)
	293
2865d42c LF	294	#define GetAid(pbuf) (cpu_to_le16((unsigned short )((addr_t)(pbuf) + 2)) \
	295	& 0x3fff)
	296
2865d42c LF	297	#define GetAddr1Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 4))
	298
	299	#define GetAddr2Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 10))
	300
	301	#define GetAddr3Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 16))
	302
	303	#define GetAddr4Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 24))
	304
	305
	306
	307	static inline int IS_MCAST(unsigned char *da)
	308	{
	309	if ((*da) & 0x01)
	310	return true;
	311	else
	312	return false;
	313	}
	314
	315
	316	static inline unsigned char get_da(unsigned char pframe)
	317	{
	318	unsigned char *da;
	319	unsigned int to_fr_ds = (GetToDs(pframe) << 1) \| GetFrDs(pframe);
	320
	321	switch (to_fr_ds) {
	322	case 0x00: /* ToDs=0, FromDs=0 */
	323	da = GetAddr1Ptr(pframe);
	324	break;
	325	case 0x01: /* ToDs=0, FromDs=1 */
	326	da = GetAddr1Ptr(pframe);
	327	break;
	328	case 0x02: /* ToDs=1, FromDs=0 */
	329	da = GetAddr3Ptr(pframe);
	330	break;
	331	default: /* ToDs=1, FromDs=1 */
	332	da = GetAddr3Ptr(pframe);
	333	break;
	334	}
	335	return da;
	336	}
	337
	338
	339	static inline unsigned char get_sa(unsigned char pframe)
	340	{
	341	unsigned char *sa;
	342	unsigned int to_fr_ds = (GetToDs(pframe) << 1) \| GetFrDs(pframe);
	343
	344	switch (to_fr_ds) {
	345	case 0x00: /* ToDs=0, FromDs=0 */
	346	sa = GetAddr2Ptr(pframe);
	347	break;
	348	case 0x01: /* ToDs=0, FromDs=1 */
	349	sa = GetAddr3Ptr(pframe);
	350	break;
	351	case 0x02: /* ToDs=1, FromDs=0 */
	352	sa = GetAddr2Ptr(pframe);
	353	break;
	354	default: /* ToDs=1, FromDs=1 */
	355	sa = GetAddr4Ptr(pframe);
	356	break;
	357	}
	358
	359	return sa;
	360	}
361
362	static inline unsigned char get_hdr_bssid(unsigned char pframe)
363	{
364	unsigned char *sa;
365	unsigned int to_fr_ds = (GetToDs(pframe) << 1) \| GetFrDs(pframe);
366
367	switch (to_fr_ds) {
368	case 0x00: /* ToDs=0, FromDs=0 */
369	sa = GetAddr3Ptr(pframe);
370	break;
371	case 0x01: /* ToDs=0, FromDs=1 */
372	sa = GetAddr2Ptr(pframe);
373	break;
374	case 0x02: /* ToDs=1, FromDs=0 */
375	sa = GetAddr1Ptr(pframe);
376	break;
377	default: /* ToDs=1, FromDs=1 */
378	sa = NULL;
379	break;
380	}
381	return sa;
382	}
383
384
385
386	/*-----------------------------------------------------------------------------
387	Below is for the security related definition
388	------------------------------------------------------------------------------*/
389	#define _RESERVED_FRAME_TYPE_ 0
390	#define _SKB_FRAME_TYPE_ 2
391	#define _PRE_ALLOCMEM_ 1
392	#define _PRE_ALLOCHDR_ 3
393	#define _PRE_ALLOCLLCHDR_ 4
394	#define _PRE_ALLOCICVHDR_ 5
395	#define _PRE_ALLOCMICHDR_ 6
396
397	#define _SIFSTIME_ ((priv->pmib->BssType.net_work_type & \
398	WIRELESS_11A) ? 16 : 10)
399	#define _ACKCTSLNG_ 14 /14 bytes long, including crclng /
400	#define _CRCLNG_ 4
401
402	#define _ASOCREQ_IE_OFFSET_ 4 /* excluding wlan_hdr */
403	#define _ASOCRSP_IE_OFFSET_ 6
404	#define _REASOCREQ_IE_OFFSET_ 10
405	#define _REASOCRSP_IE_OFFSET_ 6
406	#define _PROBEREQ_IE_OFFSET_ 0
407	#define _PROBERSP_IE_OFFSET_ 12
408	#define _AUTH_IE_OFFSET_ 6
409	#define _DEAUTH_IE_OFFSET_ 0
410	#define _BEACON_IE_OFFSET_ 12
411
412	#define _FIXED_IE_LENGTH_ _BEACON_IE_OFFSET_
413
414	#define _SSID_IE_ 0
415	#define _SUPPORTEDRATES_IE_ 1
416	#define _DSSET_IE_ 3
2865d42c	417	#define _IBSS_PARA_IE_ 6
2865d42c LF	418	#define _ERPINFO_IE_ 42
	419	#define _EXT_SUPPORTEDRATES_IE_ 50
	420
	421	#define _HT_CAPABILITY_IE_ 45
	422	#define _HT_EXTRA_INFO_IE_ 61
	423	#define _HT_ADD_INFO_IE_ 61 /* _HT_EXTRA_INFO_IE_ */
	424
	425	#define _VENDOR_SPECIFIC_IE_ 221
	426
	427	#define _RESERVED47_ 47
	428
	429
	430	/* ---------------------------------------------------------------------------
	431	Below is the fixed elements...
	432	-----------------------------------------------------------------------------*/
	433	#define _AUTH_ALGM_NUM_ 2
	434	#define _AUTH_SEQ_NUM_ 2
	435	#define _BEACON_ITERVAL_ 2
	436	#define _CAPABILITY_ 2
	437	#define _CURRENT_APADDR_ 6
	438	#define _LISTEN_INTERVAL_ 2
	439	#define _RSON_CODE_ 2
	440	#define _ASOC_ID_ 2
	441	#define _STATUS_CODE_ 2
	442	#define _TIMESTAMP_ 8
	443
	444	#define AUTH_ODD_TO 0
	445	#define AUTH_EVEN_TO 1
	446
	447	#define WLAN_ETHCONV_ENCAP 1
	448	#define WLAN_ETHCONV_RFC1042 2
	449	#define WLAN_ETHCONV_8021h 3
	450
	451	#define cap_ESS BIT(0)
	452	#define cap_IBSS BIT(1)
	453	#define cap_CFPollable BIT(2)
	454	#define cap_CFRequest BIT(3)
	455	#define cap_Privacy BIT(4)
	456	#define cap_ShortPremble BIT(5)
	457
	458	/*-----------------------------------------------------------------------------
	459	Below is the definition for 802.11i / 802.1x
	460	------------------------------------------------------------------------------*/
	461	#define _IEEE8021X_MGT_ 1 /WPA /
	462	#define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */
	463
	464	/*-----------------------------------------------------------------------------
	465	Below is the definition for WMM
	466	------------------------------------------------------------------------------*/
	467	#define _WMM_IE_Length_ 7 /* for WMM STA */
	468	#define _WMM_Para_Element_Length_ 24
	469
	470
	471	/*-----------------------------------------------------------------------------
	472	Below is the definition for 802.11n
	473	------------------------------------------------------------------------------*/
	474
	475	/* block-ack parameters */
	476	#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
	477	#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
	478	#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
	479	#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
	480	#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
	481
c07f9721 PF	482	#define SetOrderBit(pbuf) ({ \
	483	(unsigned short )(pbuf) \|= cpu_to_le16(_ORDER_); \
	484	})
2865d42c LF	485
	486	#define GetOrderBit(pbuf) ((((unsigned short )(pbuf)) & \
	487	le16_to_cpu(_ORDER_)) != 0)
	488
	489
	490	/**
	491	* struct ieee80211_bar - HT Block Ack Request
	492	*
	493	* This structure refers to "HT BlockAckReq" as
	494	* described in 802.11n draft section 7.2.1.7.1
	495	*/
	496	struct ieee80211_bar {
	497	unsigned short frame_control;
	498	unsigned short duration;
	499	unsigned char ra[6];
	500	unsigned char ta[6];
	501	unsigned short control;
	502	unsigned short start_seq_num;
40878364	503	} __packed;
2865d42c LF	504
	505	/* 802.11 BAR control masks */
	506	#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
	507	#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
	508
	509
	510	/**
	511	* struct ieee80211_ht_cap - HT capabilities
	512	*
	513	* This structure refers to "HT capabilities element" as
	514	* described in 802.11n draft section 7.3.2.52
	515	*/
	516
	517	struct ieee80211_ht_cap {
	518	unsigned short cap_info;
	519	unsigned char ampdu_params_info;
	520	unsigned char supp_mcs_set[16];
	521	unsigned short extended_ht_cap_info;
	522	unsigned int tx_BF_cap_info;
	523	unsigned char antenna_selection_info;
40878364	524	} __packed;
2865d42c LF	525
	526	/**
	527	* struct ieee80211_ht_cap - HT additional information
	528	*
	529	* This structure refers to "HT information element" as
	530	* described in 802.11n draft section 7.3.2.53
	531	*/
	532	struct ieee80211_ht_addt_info {
	533	unsigned char control_chan;
	534	unsigned char ht_param;
	535	unsigned short operation_mode;
	536	unsigned short stbc_param;
	537	unsigned char basic_set[16];
40878364	538	} __packed;
2865d42c LF	539
	540	/* 802.11n HT capabilities masks */
	541	#define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
	542	#define IEEE80211_HT_CAP_SM_PS 0x000C
	543	#define IEEE80211_HT_CAP_GRN_FLD 0x0010
	544	#define IEEE80211_HT_CAP_SGI_20 0x0020
	545	#define IEEE80211_HT_CAP_SGI_40 0x0040
	546	#define IEEE80211_HT_CAP_TX_STBC 0x0080
	547	#define IEEE80211_HT_CAP_DELAY_BA 0x0400
	548	#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
	549	#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
	550	/* 802.11n HT capability AMPDU settings */
	551	#define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
	552	#define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
	553	/* 802.11n HT capability MSC set */
	554	#define IEEE80211_SUPP_MCS_SET_UEQM 4
	555	#define IEEE80211_HT_CAP_MAX_STREAMS 4
	556	#define IEEE80211_SUPP_MCS_SET_LEN 10
	557	/* maximum streams the spec allows */
	558	#define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01
	559	#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02
	560	#define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C
	561	#define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
	562	/* 802.11n HT IE masks */
	563	#define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
	564	#define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
	565	#define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
	566	#define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
	567	#define IEEE80211_HT_IE_CHA_WIDTH 0x04
	568	#define IEEE80211_HT_IE_HT_PROTECTION 0x0003
	569	#define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
	570	#define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
	571
	572	/* block-ack parameters */
	573	#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
	574	#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
	575	#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
	576	#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
	577	#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
	578
	579	/*
	580	* A-PMDU buffer sizes
	581	* According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
	582	*/
	583	#define IEEE80211_MIN_AMPDU_BUF 0x8
	584	#define IEEE80211_MAX_AMPDU_BUF 0x40
	585
	586
	587	/* Spatial Multiplexing Power Save Modes */
	588	#define WLAN_HT_CAP_SM_PS_STATIC 0
	589	#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
	590	#define WLAN_HT_CAP_SM_PS_INVALID 2
	591	#define WLAN_HT_CAP_SM_PS_DISABLED 3
	592
	593	#endif /* _WIFI_H_ */
	594