xref: /OK3568_Linux_fs/external/rkwifibt/drivers/rtl8821cs/include/ieee80211.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)

/******************************************************************************
 *
 * Copyright(c) 2007 - 2017 Realtek Corporation.
 *
 * 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.
 *
 *****************************************************************************/
#ifndef __IEEE80211_H
#define __IEEE80211_H

#define MGMT_QUEUE_NUM 5

#define ETH_ALEN	6
#define ETH_TYPE_LEN		2
#define PAYLOAD_TYPE_LEN	1

#define NET80211_TU_TO_US	1024		/* unit:us */
#define DEFAULT_BCN_INTERVAL 100 /* 100 ms */

#ifdef CONFIG_AP_MODE

#define RTL_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 2)

/* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
enum {
	RTL871X_HOSTAPD_FLUSH = 1,
	RTL871X_HOSTAPD_ADD_STA = 2,
	RTL871X_HOSTAPD_REMOVE_STA = 3,
	RTL871X_HOSTAPD_GET_INFO_STA = 4,
	/* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
	RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
	RTL871X_SET_ENCRYPTION = 6,
	RTL871X_GET_ENCRYPTION = 7,
	RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
	RTL871X_HOSTAPD_GET_RID = 9,
	RTL871X_HOSTAPD_SET_RID = 10,
	RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
	RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
	RTL871X_HOSTAPD_MLME = 13,
	RTL871X_HOSTAPD_SCAN_REQ = 14,
	RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
	RTL871X_HOSTAPD_SET_BEACON = 16,
	RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
	RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
	RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
	RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
	RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
	RTL871X_HOSTAPD_ACL_ADD_STA = 22,
	RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
};
#endif /* CONFIG_AP_MODE */

/* STA flags */
#define WLAN_STA_AUTH BIT(0)
#define WLAN_STA_ASSOC BIT(1)
#define WLAN_STA_PS BIT(2)
#define WLAN_STA_TIM BIT(3)
#define WLAN_STA_PERM BIT(4)
#define WLAN_STA_AUTHORIZED BIT(5)
#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
#define WLAN_STA_SHORT_PREAMBLE BIT(7)
#define WLAN_STA_PREAUTH BIT(8)
#define WLAN_STA_WME BIT(9)
#define WLAN_STA_MFP BIT(10)
#define WLAN_STA_HT BIT(11)
#define WLAN_STA_WPS BIT(12)
#define WLAN_STA_MAYBE_WPS BIT(13)
#define WLAN_STA_VHT BIT(14)
#define WLAN_STA_WDS BIT(15)
#define WLAN_STA_MULTI_AP BIT(16)
#define WLAN_STA_AMSDU_DISABLE BIT(17)
#define WLAN_STA_NONERP BIT(31)

#define IEEE_CMD_SET_WPA_PARAM			1
#define IEEE_CMD_SET_WPA_IE				2
#define IEEE_CMD_SET_ENCRYPTION			3
#define IEEE_CMD_MLME						4

#define IEEE_PARAM_WPA_ENABLED				1
#define IEEE_PARAM_TKIP_COUNTERMEASURES		2
#define IEEE_PARAM_DROP_UNENCRYPTED			3
#define IEEE_PARAM_PRIVACY_INVOKED			4
#define IEEE_PARAM_AUTH_ALGS					5
#define IEEE_PARAM_IEEE_802_1X				6
#define IEEE_PARAM_WPAX_SELECT				7

#define AUTH_ALG_OPEN_SYSTEM			0x1
#define AUTH_ALG_SHARED_KEY			0x2
#define AUTH_ALG_LEAP				0x00000004

#define IEEE_MLME_STA_DEAUTH				1
#define IEEE_MLME_STA_DISASSOC			2

#define IEEE_CRYPT_ERR_UNKNOWN_ALG			2
#define IEEE_CRYPT_ERR_UNKNOWN_ADDR			3
#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED		4
#define IEEE_CRYPT_ERR_KEY_SET_FAILED			5
#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED		6
#define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7


#define	IEEE_CRYPT_ALG_NAME_LEN			16

#define WPA_CIPHER_NONE	BIT(0)
#define WPA_CIPHER_WEP40	BIT(1)
#define WPA_CIPHER_WEP104 BIT(2)
#define WPA_CIPHER_TKIP	BIT(3)
#define WPA_CIPHER_CCMP	BIT(4)
#define WPA_CIPHER_GCMP	BIT(5)
#define WPA_CIPHER_GCMP_256	BIT(6)
#define WPA_CIPHER_CCMP_256	BIT(7)
#define WPA_CIPHER_BIP_CMAC_128	BIT(8)
#define WPA_CIPHER_BIP_GMAC_128	BIT(9)
#define WPA_CIPHER_BIP_GMAC_256	BIT(10)
#define WPA_CIPHER_BIP_CMAC_256	BIT(11)


#define WPA_SELECTOR_LEN 4
extern u8 RTW_WPA_OUI_TYPE[] ;
extern u16 RTW_WPA_VERSION ;
extern u8 WPA_AUTH_KEY_MGMT_NONE[];
extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
extern u8 WPA_CIPHER_SUITE_NONE[];
extern u8 WPA_CIPHER_SUITE_WEP40[];
extern u8 WPA_CIPHER_SUITE_TKIP[];
extern u8 WPA_CIPHER_SUITE_WRAP[];
extern u8 WPA_CIPHER_SUITE_CCMP[];
extern u8 RSN_CIPHER_SUITE_GCMP[];
extern u8 RSN_CIPHER_SUITE_GCMP_256[];
extern u8 RSN_CIPHER_SUITE_CCMP_256[];
extern u8 WPA_CIPHER_SUITE_WEP104[];


#define RSN_HEADER_LEN 4
#define RSN_SELECTOR_LEN 4

extern u16 RSN_VERSION_BSD;
extern u8 RSN_CIPHER_SUITE_NONE[];
extern u8 RSN_CIPHER_SUITE_WEP40[];
extern u8 RSN_CIPHER_SUITE_TKIP[];
extern u8 RSN_CIPHER_SUITE_WRAP[];
extern u8 RSN_CIPHER_SUITE_CCMP[];
extern u8 RSN_CIPHER_SUITE_WEP104[];

/* AKM suite type */
extern u8 WLAN_AKM_8021X[];
extern u8 WLAN_AKM_PSK[];
extern u8 WLAN_AKM_FT_8021X[];
extern u8 WLAN_AKM_FT_PSK[];
extern u8 WLAN_AKM_8021X_SHA256[];
extern u8 WLAN_AKM_PSK_SHA256[];
extern u8 WLAN_AKM_TDLS[];
extern u8 WLAN_AKM_SAE[];
extern u8 WLAN_AKM_FT_OVER_SAE[];
extern u8 WLAN_AKM_8021X_SUITE_B[];
extern u8 WLAN_AKM_8021X_SUITE_B_192[];
extern u8 WLAN_AKM_FILS_SHA256[];
extern u8 WLAN_AKM_FILS_SHA384[];
extern u8 WLAN_AKM_FT_FILS_SHA256[];
extern u8 WLAN_AKM_FT_FILS_SHA384[];

#define WLAN_AKM_TYPE_8021X BIT(0)
#define WLAN_AKM_TYPE_PSK BIT(1)
#define WLAN_AKM_TYPE_FT_8021X BIT(2)
#define WLAN_AKM_TYPE_FT_PSK BIT(3)
#define WLAN_AKM_TYPE_8021X_SHA256 BIT(4)
#define WLAN_AKM_TYPE_PSK_SHA256 BIT(5)
#define WLAN_AKM_TYPE_TDLS BIT(6)
#define WLAN_AKM_TYPE_SAE BIT(7)
#define WLAN_AKM_TYPE_FT_OVER_SAE BIT(8)
#define WLAN_AKM_TYPE_8021X_SUITE_B BIT(9)
#define WLAN_AKM_TYPE_8021X_SUITE_B_192 BIT(10)
#define WLAN_AKM_TYPE_FILS_SHA256 BIT(11)
#define WLAN_AKM_TYPE_FILS_SHA384 BIT(12)
#define WLAN_AKM_TYPE_FT_FILS_SHA256 BIT(13)
#define WLAN_AKM_TYPE_FT_FILS_SHA384 BIT(14)

/* IEEE 802.11i */
#define PMKID_LEN 16
#define PMK_LEN 32
#define PMK_LEN_SUITE_B_192 48
#define PMK_LEN_MAX 48
#define WPA_REPLAY_COUNTER_LEN 8
#define WPA_NONCE_LEN 32
#define WPA_KEY_RSC_LEN 8
#define WPA_GMK_LEN 32
#define WPA_GTK_MAX_LEN 32

/* IEEE 802.11, 8.5.2 EAPOL-Key frames */
#define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2)))
#define WPA_KEY_INFO_TYPE_AKM_DEFINED 0
#define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0)
#define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1)
#define WPA_KEY_INFO_TYPE_AES_128_CMAC 3
#define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */
/* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */
#define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5))
#define WPA_KEY_INFO_KEY_INDEX_SHIFT 4
#define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */
#define WPA_KEY_INFO_TXRX BIT(6) /* group */
#define WPA_KEY_INFO_ACK BIT(7)
#define WPA_KEY_INFO_MIC BIT(8)
#define WPA_KEY_INFO_SECURE BIT(9)
#define WPA_KEY_INFO_ERROR BIT(10)
#define WPA_KEY_INFO_REQUEST BIT(11)
#define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */
#define WPA_KEY_INFO_SMK_MESSAGE BIT(13)

struct ieee802_1x_hdr {
	u8 version;
	u8 type;
	u16 length;
	/* followed by length octets of data */
};

struct wpa_eapol_key {
	u8 type;
	/* Note: key_info, key_length, and key_data_length are unaligned */
	u8 key_info[2]; /* big endian */
	u8 key_length[2]; /* big endian */
	u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
	u8 key_nonce[WPA_NONCE_LEN];
	u8 key_iv[16];
	u8 key_rsc[WPA_KEY_RSC_LEN];
	u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
	u8 key_mic[16];
	u8 key_data_length[2]; /* big endian */
	/* followed by key_data_length bytes of key_data */
};

typedef enum _RATEID_IDX_ {
	RATEID_IDX_BGN_40M_2SS = 0,
	RATEID_IDX_BGN_40M_1SS = 1,
	RATEID_IDX_BGN_20M_2SS_BN = 2,
	RATEID_IDX_BGN_20M_1SS_BN = 3,
	RATEID_IDX_GN_N2SS = 4,
	RATEID_IDX_GN_N1SS = 5,
	RATEID_IDX_BG = 6,
	RATEID_IDX_G = 7,
	RATEID_IDX_B = 8,
	RATEID_IDX_VHT_2SS = 9,
	RATEID_IDX_VHT_1SS = 10,
	RATEID_IDX_MIX1 = 11,
	RATEID_IDX_MIX2 = 12,
	RATEID_IDX_VHT_3SS = 13,
	RATEID_IDX_BGN_3SS = 14,
	RATEID_IDX_BGN_4SS = 15,
	RATEID_IDX_VHT_4SS = 16,
} RATEID_IDX, *PRATEID_IDX;

typedef enum _RATR_TABLE_MODE {
	RATR_INX_WIRELESS_NGB = 0,	/* BGN 40 Mhz 2SS 1SS */
	RATR_INX_WIRELESS_NG = 1,		/* GN or N */
	RATR_INX_WIRELESS_NB = 2,		/* BGN 20 Mhz 2SS 1SS  or BN */
	RATR_INX_WIRELESS_N = 3,
	RATR_INX_WIRELESS_GB = 4,
	RATR_INX_WIRELESS_G = 5,
	RATR_INX_WIRELESS_B = 6,
	RATR_INX_WIRELESS_MC = 7,
	RATR_INX_WIRELESS_AC_N = 8,
} RATR_TABLE_MODE, *PRATR_TABLE_MODE;


enum NETWORK_TYPE {
	WIRELESS_INVALID = 0,
	/* Sub-Element */
	WIRELESS_11B = BIT(0), /* tx: cck only , rx: cck only, hw: cck */
	WIRELESS_11G = BIT(1), /* tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */
	WIRELESS_11A = BIT(2), /* tx: ofdm only, rx: ofdm only, hw: ofdm only */
	WIRELESS_11_24N = BIT(3), /* tx: MCS only, rx: MCS & cck, hw: MCS & cck */
	WIRELESS_11_5N = BIT(4), /* tx: MCS only, rx: MCS & ofdm, hw: ofdm only */
	WIRELESS_AUTO = BIT(5),
	WIRELESS_11AC = BIT(6),

	/* Combination */
	/* Type for current wireless mode */
	WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
	WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N), /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
	WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N), /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
	WIRELESS_11B_24N = (WIRELESS_11B | WIRELESS_11_24N), /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
	WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N), /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
	WIRELESS_11_24AC = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11AC),
	WIRELESS_11_5AC = (WIRELESS_11A | WIRELESS_11AC),


	/* Type for registry default wireless mode */
	WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N | WIRELESS_11_5N), /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
	WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N | WIRELESS_11_5N),
	WIRELESS_MODE_24G = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N),
	WIRELESS_MODE_5G = (WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC),
	WIRELESS_MODE_MAX = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N | WIRELESS_11_5N | WIRELESS_11AC),
};

#define SUPPORTED_24G_NETTYPE_MSK WIRELESS_MODE_24G
#define SUPPORTED_5G_NETTYPE_MSK WIRELESS_MODE_5G

#define IsLegacyOnly(NetType)  ((NetType) == ((NetType) & (WIRELESS_11BG | WIRELESS_11A)))

#define IsSupported24G(NetType) ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? _TRUE : _FALSE)
#define is_supported_5g(NetType) ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? _TRUE : _FALSE)

#define IsEnableHWCCK(NetType) IsSupported24G(NetType)
#define IsEnableHWOFDM(NetType) ((NetType) & (WIRELESS_11G | WIRELESS_11_24N | SUPPORTED_5G_NETTYPE_MSK) ? _TRUE : _FALSE)

#define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
#define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
#define IsSupportedRxHT(NetType) IsEnableHWOFDM(NetType)

#define IsSupportedTxCCK(NetType) ((NetType) & (WIRELESS_11B) ? _TRUE : _FALSE)
#define IsSupportedTxOFDM(NetType) ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? _TRUE : _FALSE)
#define is_supported_ht(NetType) ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? _TRUE : _FALSE)

#define is_supported_vht(NetType) ((NetType) & (WIRELESS_11AC) ? _TRUE : _FALSE)





typedef struct ieee_param {
	u32 cmd;
	u8 sta_addr[ETH_ALEN];
	union {
		struct {
			u8 name;
			u32 value;
		} wpa_param;
		struct {
			u32 len;
			u8 reserved[32];
			u8 data[0];
		} wpa_ie;
		struct {
			int command;
			int reason_code;
		} mlme;
		struct {
			u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
			u8 set_tx;
			u32 err;
			u8 idx;
			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
			u16 key_len;
			u8 key[0];
		} crypt;
#ifdef CONFIG_AP_MODE
		struct {
			u16 aid;
			u16 capability;
			int flags;
			u8 tx_supp_rates[16];
			struct rtw_ieee80211_ht_cap ht_cap;
		} add_sta;
		struct {
			u8	reserved[2];/* for set max_num_sta */
			u8	buf[0];
		} bcn_ie;
#endif

	} u;
} ieee_param;

#ifdef CONFIG_AP_MODE
typedef struct ieee_param_ex {
	u32 cmd;
	u8 sta_addr[ETH_ALEN];
	u8 data[0];
} ieee_param_ex;

struct sta_data {
	u16 aid;
	u16 capability;
	int flags;
	u32 sta_set;
	u8 tx_supp_rates[16];
	u32 tx_supp_rates_len;
	struct rtw_ieee80211_ht_cap ht_cap;
	u64	rx_pkts;
	u64	rx_bytes;
	u64	rx_drops;
	u64	tx_pkts;
	u64	tx_bytes;
	u64	tx_drops;
};
#endif


#if WIRELESS_EXT < 17
	#define IW_QUAL_QUAL_INVALID   0x10
	#define IW_QUAL_LEVEL_INVALID  0x20
	#define IW_QUAL_NOISE_INVALID  0x40
	#define IW_QUAL_QUAL_UPDATED   0x1
	#define IW_QUAL_LEVEL_UPDATED  0x2
	#define IW_QUAL_NOISE_UPDATED  0x4
#endif

#define IEEE80211_DATA_LEN		2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
   6.2.1.1.2.

   The figure in section 7.1.2 suggests a body size of up to 2312
   bytes is allowed, which is a bit confusing, I suspect this
   represents the 2304 bytes of real data, plus a possible 8 bytes of
   WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */


#define IEEE80211_HLEN			30
#define IEEE80211_FRAME_LEN		(IEEE80211_DATA_LEN + IEEE80211_HLEN)


/* this is stolen from ipw2200 driver */
#define IEEE_IBSS_MAC_HASH_SIZE 31

struct ieee_ibss_seq {
	u8 mac[ETH_ALEN];
	u16 seq_num;
	u16 frag_num;
	unsigned long packet_time;
	_list	list;
};

#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)

struct rtw_ieee80211_hdr {
	u16 frame_ctl;
	u16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	u16 seq_ctl;
	u8 addr4[ETH_ALEN];
} __attribute__((packed));

struct rtw_ieee80211_hdr_3addr {
	u16 frame_ctl;
	u16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	u16 seq_ctl;
} __attribute__((packed));


struct rtw_ieee80211_hdr_qos {
	u16 frame_ctl;
	u16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	u16 seq_ctl;
	u8 addr4[ETH_ALEN];
	u16	qc;
}  __attribute__((packed));

struct rtw_ieee80211_hdr_3addr_qos {
	u16 frame_ctl;
	u16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	u16 seq_ctl;
	u16     qc;
}  __attribute__((packed));

struct eapol {
	u8 snap[6];
	u16 ethertype;
	u8 version;
	u8 type;
	u16 length;
} __attribute__((packed));

struct rtw_ieee80211s_hdr {
	u8 flags;
	u8 ttl;
	u32 seqnum;
	u8 eaddr1[ETH_ALEN];
	u8 eaddr2[ETH_ALEN];
} __attribute__((packed));

/**
 * struct rtw_ieee80211_rann_ie
 *
 * This structure refers to "Root Announcement information element"
 */
 struct rtw_ieee80211_rann_ie {
	u8 rann_flags;
	u8 rann_hopcount;
	u8 rann_ttl;
	u8 rann_addr[ETH_ALEN];
	u32 rann_seq;
	u32 rann_interval;
	u32 rann_metric;
} __attribute__((packed));
#endif

/* Some IEEE 802.11x packet types are corresponding to parsing_eapol_packet() */
enum eap_type {
	EAP_PACKET = 0,
	NON_EAPOL,
	EAPOL_START,
	EAPOL_LOGOFF,
	EAPOL_KEY,
	EAPOL_ENCAP_ASF_ALERT,
	EAPOL_PACKET,
	EAPOL_WPA_GROUP_KEY_1_2,
	EAPOL_WPA_GROUP_KEY_2_2,
	EAPOL_1_4,
	EAPOL_2_4,
	EAPOL_3_4,
	EAPOL_4_4,
};

#define IEEE80211_3ADDR_LEN 24
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_FCS_LEN    4

#define MIN_FRAG_THRESHOLD     256U
#define	MAX_FRAG_THRESHOLD     2346U

/* Frame control field constants */
#define RTW_IEEE80211_FCTL_VERS		0x0003
#define RTW_IEEE80211_FCTL_FTYPE		0x000c
#define RTW_IEEE80211_FCTL_STYPE		0x00f0
#define RTW_IEEE80211_FCTL_TODS		0x0100
#define RTW_IEEE80211_FCTL_FROMDS	0x0200
#define RTW_IEEE80211_FCTL_MOREFRAGS	0x0400
#define RTW_IEEE80211_FCTL_RETRY		0x0800
#define RTW_IEEE80211_FCTL_PM		0x1000
#define RTW_IEEE80211_FCTL_MOREDATA	0x2000
#define RTW_IEEE80211_FCTL_PROTECTED	0x4000
#define RTW_IEEE80211_FCTL_ORDER		0x8000
#define RTW_IEEE80211_FCTL_CTL_EXT	0x0f00

#define RTW_IEEE80211_FTYPE_MGMT		0x0000
#define RTW_IEEE80211_FTYPE_CTL		0x0004
#define RTW_IEEE80211_FTYPE_DATA		0x0008
#define RTW_IEEE80211_FTYPE_EXT		0x000c

/* management */
#define RTW_IEEE80211_STYPE_ASSOC_REQ	0x0000
#define RTW_IEEE80211_STYPE_ASSOC_RESP	0x0010
#define RTW_IEEE80211_STYPE_REASSOC_REQ	0x0020
#define RTW_IEEE80211_STYPE_REASSOC_RESP	0x0030
#define RTW_IEEE80211_STYPE_PROBE_REQ	0x0040
#define RTW_IEEE80211_STYPE_PROBE_RESP	0x0050
#define RTW_IEEE80211_STYPE_BEACON		0x0080
#define RTW_IEEE80211_STYPE_ATIM		0x0090
#define RTW_IEEE80211_STYPE_DISASSOC	0x00A0
#define RTW_IEEE80211_STYPE_AUTH		0x00B0
#define RTW_IEEE80211_STYPE_DEAUTH		0x00C0
#define RTW_IEEE80211_STYPE_ACTION		0x00D0

/* control */
#define RTW_IEEE80211_STYPE_CTL_EXT		0x0060
#define RTW_IEEE80211_STYPE_BACK_REQ		0x0080
#define RTW_IEEE80211_STYPE_BACK		0x0090
#define RTW_IEEE80211_STYPE_PSPOLL		0x00A0
#define RTW_IEEE80211_STYPE_RTS		0x00B0
#define RTW_IEEE80211_STYPE_CTS		0x00C0
#define RTW_IEEE80211_STYPE_ACK		0x00D0
#define RTW_IEEE80211_STYPE_CFEND		0x00E0
#define RTW_IEEE80211_STYPE_CFENDACK		0x00F0

/* data */
#define RTW_IEEE80211_STYPE_DATA		0x0000
#define RTW_IEEE80211_STYPE_DATA_CFACK	0x0010
#define RTW_IEEE80211_STYPE_DATA_CFPOLL	0x0020
#define RTW_IEEE80211_STYPE_DATA_CFACKPOLL	0x0030
#define RTW_IEEE80211_STYPE_NULLFUNC	0x0040
#define RTW_IEEE80211_STYPE_CFACK		0x0050
#define RTW_IEEE80211_STYPE_CFPOLL		0x0060
#define RTW_IEEE80211_STYPE_CFACKPOLL	0x0070
#define RTW_IEEE80211_STYPE_QOS_DATA		0x0080
#define RTW_IEEE80211_STYPE_QOS_DATA_CFACK		0x0090
#define RTW_IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0
#define RTW_IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0
#define RTW_IEEE80211_STYPE_QOS_NULLFUNC	0x00C0
#define RTW_IEEE80211_STYPE_QOS_CFACK		0x00D0
#define RTW_IEEE80211_STYPE_QOS_CFPOLL		0x00E0
#define RTW_IEEE80211_STYPE_QOS_CFACKPOLL	0x00F0

/* sequence control field */
#define RTW_IEEE80211_SCTL_FRAG	0x000F
#define RTW_IEEE80211_SCTL_SEQ	0xFFF0


#define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
#define RTW_ERP_INFO_USE_PROTECTION BIT(1)
#define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)

/* QoS,QOS */
#define NORMAL_ACK			0
#define NO_ACK				1
#define NON_EXPLICIT_ACK	2
#define BLOCK_ACK			3

#ifndef ETH_P_PAE
	#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */

#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */

#define ETH_P_ECONET	0x0018

#ifndef ETH_P_80211_RAW
	#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
#endif

/* IEEE 802.11 defines */

#define P80211_OUI_LEN 3

#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)

struct ieee80211_snap_hdr {

	u8    dsap;   /* always 0xAA */
	u8    ssap;   /* always 0xAA */
	u8    ctrl;   /* always 0x03 */
	u8    oui[P80211_OUI_LEN];    /* organizational universal id */

} __attribute__((packed));

#endif

#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)

#define WLAN_FC_GET_TYPE(fc) ((fc) & RTW_IEEE80211_FCTL_FTYPE)
#define WLAN_FC_GET_STYPE(fc) ((fc) & RTW_IEEE80211_FCTL_STYPE)

#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)

#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
#define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)

/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_SAE 3

#define WLAN_AUTH_CHALLENGE_LEN 128

#define WLAN_CAPABILITY_BSS (1<<0)
#define WLAN_CAPABILITY_IBSS (1<<1)
#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
#define WLAN_CAPABILITY_PRIVACY (1<<4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
#define WLAN_CAPABILITY_PBCC (1<<6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
#define WLAN_CAPABILITY_SHORT_SLOT (1<<10)

/* Status codes */
#define WLAN_STATUS_SUCCESS 0
#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
#define WLAN_STATUS_CAPS_UNSUPPORTED 10
#define WLAN_STATUS_REASSOC_NO_ASSOC 11
#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
#define WLAN_STATUS_CHALLENGE_FAIL 15
#define WLAN_STATUS_AUTH_TIMEOUT 16
#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
#define WLAN_STATUS_ASSOC_DENIED_RATES 18
/* 802.11b */
#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21

/* Reason codes */
#define WLAN_REASON_UNSPECIFIED 1
#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
#define WLAN_REASON_DEAUTH_LEAVING 3
#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
#define WLAN_REASON_DISASSOC_AP_BUSY 5
#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
#define WLAN_REASON_IEEE_802_1X_AUTH_FAILED 23
#define WLAN_REASON_MESH_PEER_CANCELED 52
#define WLAN_REASON_MESH_MAX_PEERS 53
#define WLAN_REASON_MESH_CONFIG 54
#define WLAN_REASON_MESH_CLOSE 55
#define WLAN_REASON_MESH_MAX_RETRIES 56
#define WLAN_REASON_MESH_CONFIRM_TIMEOUT 57
#define WLAN_REASON_MESH_INVALID_GTK 58
#define WLAN_REASON_MESH_INCONSISTENT_PARAM 59
#define WLAN_REASON_MESH_INVALID_SECURITY 60
#define WLAN_REASON_MESH_PATH_NOPROXY 61
#define WLAN_REASON_MESH_PATH_NOFORWARD 62
#define WLAN_REASON_MESH_PATH_DEST_UNREACHABLE 63
#define WLAN_REASON_MAC_EXISTS_IN_MBSS 64
#define WLAN_REASON_MESH_CHAN_REGULATORY 65
#define WLAN_REASON_MESH_CHAN 66
#define WLAN_REASON_SA_QUERY_TIMEOUT 65532
#define WLAN_REASON_ACTIVE_ROAM 65533
#define WLAN_REASON_JOIN_WRONG_CHANNEL       65534
#define WLAN_REASON_EXPIRATION_CHK 65535

#define WLAN_REASON_IS_PRIVATE(reason) ( \
	reason == WLAN_REASON_EXPIRATION_CHK \
	|| reason == WLAN_REASON_JOIN_WRONG_CHANNEL \
	|| reason == WLAN_REASON_ACTIVE_ROAM \
	|| reason == WLAN_REASON_SA_QUERY_TIMEOUT \
	)

/* Information Element IDs */
#define WLAN_EID_SSID 0
#define WLAN_EID_SUPP_RATES 1
#define WLAN_EID_FH_PARAMS 2
#define WLAN_EID_DS_PARAMS 3
#define WLAN_EID_CF_PARAMS 4
#define WLAN_EID_TIM 5
#define WLAN_EID_IBSS_PARAMS 6
#define WLAN_EID_COUNTRY 7
#define WLAN_EID_CHALLENGE 16
/* EIDs defined by IEEE 802.11h - START */
#define WLAN_EID_PWR_CONSTRAINT 32
#define WLAN_EID_PWR_CAPABILITY 33
#define WLAN_EID_TPC_REQUEST 34
#define WLAN_EID_TPC_REPORT 35
#define WLAN_EID_SUPPORTED_CHANNELS 36
#define WLAN_EID_CHANNEL_SWITCH 37
#define WLAN_EID_MEASURE_REQUEST 38
#define WLAN_EID_MEASURE_REPORT 39
#define WLAN_EID_QUITE 40
#define WLAN_EID_IBSS_DFS 41
/* EIDs defined by IEEE 802.11h - END */
#define WLAN_EID_ERP_INFO 42
#define WLAN_EID_HT_CAP 45
#define WLAN_EID_RSN 48
#define WLAN_EID_EXT_SUPP_RATES 50
#define WLAN_EID_MOBILITY_DOMAIN 54
#define WLAN_EID_FAST_BSS_TRANSITION 55
#define WLAN_EID_TIMEOUT_INTERVAL 56
#define WLAN_EID_RIC_DATA 57
#define WLAN_EID_HT_OPERATION 61
#define WLAN_EID_SECONDARY_CHANNEL_OFFSET 62
#define WLAN_EID_20_40_BSS_COEXISTENCE 72
#define WLAN_EID_20_40_BSS_INTOLERANT 73
#define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
#define WLAN_EID_MMIE 76
#define WLAN_EID_MESH_CONFIG 113
#define WLAN_EID_MESH_ID 114
#define WLAN_EID_MPM 117
#define WLAN_EID_RANN 126
#define WLAN_EID_EXT_CAP 127
#define WLAN_EID_PREQ 130
#define WLAN_EID_PREP 131
#define WLAN_EID_PERR 132
#define WLAN_EID_AMPE 139
#define WLAN_EID_MIC 140
#define WLAN_EID_VENDOR_SPECIFIC 221
#define WLAN_EID_GENERIC (WLAN_EID_VENDOR_SPECIFIC)
#define WLAN_EID_VHT_CAPABILITY 191
#define WLAN_EID_VHT_OPERATION 192
#define WLAN_EID_WIDE_BANDWIDTH_CHANNEL_SWITCH 194
#define WLAN_EID_CHANNEL_SWITCH_WRAPPER 196
#define WLAN_EID_VHT_OP_MODE_NOTIFY 199
#define WLAN_EID_RSNX 244
#define WLAN_EID_EXTENSION 255
#define WLAN_EID_EXT_OWE_DH_PARAM 32

#define WLAN_EID_EXT_CAP_MAX_LEN 10
#define WLAN_EID_CSA_IE_LEN 3

#define IEEE80211_MGMT_HDR_LEN 24
#define IEEE80211_DATA_HDR3_LEN 24
#define IEEE80211_DATA_HDR4_LEN 30


#define IEEE80211_STATMASK_SIGNAL (1<<0)
#define IEEE80211_STATMASK_RSSI (1<<1)
#define IEEE80211_STATMASK_NOISE (1<<2)
#define IEEE80211_STATMASK_RATE (1<<3)
#define IEEE80211_STATMASK_WEMASK 0x7


#define IEEE80211_CCK_MODULATION    (1<<0)
#define IEEE80211_OFDM_MODULATION   (1<<1)

#define IEEE80211_24GHZ_BAND     (1<<0)
#define IEEE80211_52GHZ_BAND     (1<<1)

#define IEEE80211_CCK_RATE_LEN		4
#define IEEE80211_NUM_OFDM_RATESLEN	8



#define IEEE80211_CCK_RATE_1MB		        0x02
#define IEEE80211_CCK_RATE_2MB		        0x04
#define IEEE80211_CCK_RATE_5MB		        0x0B
#define IEEE80211_CCK_RATE_11MB		        0x16
#define IEEE80211_OFDM_RATE_LEN		8
#define IEEE80211_OFDM_RATE_6MB		        0x0C
#define IEEE80211_OFDM_RATE_9MB		        0x12
#define IEEE80211_OFDM_RATE_12MB		0x18
#define IEEE80211_OFDM_RATE_18MB		0x24
#define IEEE80211_OFDM_RATE_24MB		0x30
#define IEEE80211_PBCC_RATE_22MB		0x2C
#define IEEE80211_FREAK_RATE_22_5MB		0x2D
#define IEEE80211_OFDM_RATE_36MB		0x48
#define IEEE80211_OFDM_RATE_48MB		0x60
#define IEEE80211_OFDM_RATE_54MB		0x6C
#define IEEE80211_BASIC_RATE_MASK		0x80

#define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
#define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
#define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
#define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
#define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
#define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
#define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
#define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
#define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
#define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
#define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
#define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)

#define IEEE80211_CCK_RATES_MASK	        0x0000000F
#define IEEE80211_CCK_BASIC_RATES_MASK	(IEEE80211_CCK_RATE_1MB_MASK | \
		IEEE80211_CCK_RATE_2MB_MASK)
#define IEEE80211_CCK_DEFAULT_RATES_MASK	(IEEE80211_CCK_BASIC_RATES_MASK | \
		IEEE80211_CCK_RATE_5MB_MASK | \
		IEEE80211_CCK_RATE_11MB_MASK)

#define IEEE80211_OFDM_RATES_MASK		0x00000FF0
#define IEEE80211_OFDM_BASIC_RATES_MASK	(IEEE80211_OFDM_RATE_6MB_MASK | \
		IEEE80211_OFDM_RATE_12MB_MASK | \
		IEEE80211_OFDM_RATE_24MB_MASK)
#define IEEE80211_OFDM_DEFAULT_RATES_MASK	(IEEE80211_OFDM_BASIC_RATES_MASK | \
		IEEE80211_OFDM_RATE_9MB_MASK  | \
		IEEE80211_OFDM_RATE_18MB_MASK | \
		IEEE80211_OFDM_RATE_36MB_MASK | \
		IEEE80211_OFDM_RATE_48MB_MASK | \
		IEEE80211_OFDM_RATE_54MB_MASK)
#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
				      IEEE80211_CCK_DEFAULT_RATES_MASK)

#define IEEE80211_NUM_OFDM_RATES	    8
#define IEEE80211_NUM_CCK_RATES	            4
#define IEEE80211_OFDM_SHIFT_MASK_A         4


enum MGN_RATE {
	MGN_1M		= 0x02,
	MGN_2M		= 0x04,
	MGN_5_5M	= 0x0B,
	MGN_6M		= 0x0C,
	MGN_9M		= 0x12,
	MGN_11M	= 0x16,
	MGN_12M	= 0x18,
	MGN_18M	= 0x24,
	MGN_24M	= 0x30,
	MGN_36M	= 0x48,
	MGN_48M	= 0x60,
	MGN_54M	= 0x6C,
	MGN_MCS32	= 0x7F,
	MGN_MCS0,
	MGN_MCS1,
	MGN_MCS2,
	MGN_MCS3,
	MGN_MCS4,
	MGN_MCS5,
	MGN_MCS6,
	MGN_MCS7,
	MGN_MCS8,
	MGN_MCS9,
	MGN_MCS10,
	MGN_MCS11,
	MGN_MCS12,
	MGN_MCS13,
	MGN_MCS14,
	MGN_MCS15,
	MGN_MCS16,
	MGN_MCS17,
	MGN_MCS18,
	MGN_MCS19,
	MGN_MCS20,
	MGN_MCS21,
	MGN_MCS22,
	MGN_MCS23,
	MGN_MCS24,
	MGN_MCS25,
	MGN_MCS26,
	MGN_MCS27,
	MGN_MCS28,
	MGN_MCS29,
	MGN_MCS30,
	MGN_MCS31,
	MGN_VHT1SS_MCS0,
	MGN_VHT1SS_MCS1,
	MGN_VHT1SS_MCS2,
	MGN_VHT1SS_MCS3,
	MGN_VHT1SS_MCS4,
	MGN_VHT1SS_MCS5,
	MGN_VHT1SS_MCS6,
	MGN_VHT1SS_MCS7,
	MGN_VHT1SS_MCS8,
	MGN_VHT1SS_MCS9,
	MGN_VHT2SS_MCS0,
	MGN_VHT2SS_MCS1,
	MGN_VHT2SS_MCS2,
	MGN_VHT2SS_MCS3,
	MGN_VHT2SS_MCS4,
	MGN_VHT2SS_MCS5,
	MGN_VHT2SS_MCS6,
	MGN_VHT2SS_MCS7,
	MGN_VHT2SS_MCS8,
	MGN_VHT2SS_MCS9,
	MGN_VHT3SS_MCS0,
	MGN_VHT3SS_MCS1,
	MGN_VHT3SS_MCS2,
	MGN_VHT3SS_MCS3,
	MGN_VHT3SS_MCS4,
	MGN_VHT3SS_MCS5,
	MGN_VHT3SS_MCS6,
	MGN_VHT3SS_MCS7,
	MGN_VHT3SS_MCS8,
	MGN_VHT3SS_MCS9,
	MGN_VHT4SS_MCS0,
	MGN_VHT4SS_MCS1,
	MGN_VHT4SS_MCS2,
	MGN_VHT4SS_MCS3,
	MGN_VHT4SS_MCS4,
	MGN_VHT4SS_MCS5,
	MGN_VHT4SS_MCS6,
	MGN_VHT4SS_MCS7,
	MGN_VHT4SS_MCS8,
	MGN_VHT4SS_MCS9,
	MGN_UNKNOWN
};

#define IS_HT_RATE(_rate)	((_rate) >= MGN_MCS0 && (_rate) <= MGN_MCS31)
#define IS_VHT_RATE(_rate)	((_rate) >= MGN_VHT1SS_MCS0 && (_rate) <= MGN_VHT4SS_MCS9)
#define IS_CCK_RATE(_rate)	((_rate) == MGN_1M || (_rate) == MGN_2M || (_rate) == MGN_5_5M || (_rate) == MGN_11M)
#define IS_OFDM_RATE(_rate)	((_rate) >= MGN_6M && (_rate) <= MGN_54M  && (_rate) != MGN_11M)

#define IS_HT1SS_RATE(_rate) ((_rate) >= MGN_MCS0 && (_rate) <= MGN_MCS7)
#define IS_HT2SS_RATE(_rate) ((_rate) >= MGN_MCS8 && (_rate) <= MGN_MCS15)
#define IS_HT3SS_RATE(_rate) ((_rate) >= MGN_MCS16 && (_rate) <= MGN_MCS23)
#define IS_HT4SS_RATE(_rate) ((_rate) >= MGN_MCS24 && (_rate) <= MGN_MCS31)

#define IS_VHT1SS_RATE(_rate) ((_rate) >= MGN_VHT1SS_MCS0 && (_rate) <= MGN_VHT1SS_MCS9)
#define IS_VHT2SS_RATE(_rate) ((_rate) >= MGN_VHT2SS_MCS0 && (_rate) <= MGN_VHT2SS_MCS9)
#define IS_VHT3SS_RATE(_rate) ((_rate) >= MGN_VHT3SS_MCS0 && (_rate) <= MGN_VHT3SS_MCS9)
#define IS_VHT4SS_RATE(_rate) ((_rate) >= MGN_VHT4SS_MCS0 && (_rate) <= MGN_VHT4SS_MCS9)

#define IS_1T_RATE(_rate)	(IS_CCK_RATE((_rate)) || IS_OFDM_RATE((_rate)) || IS_HT1SS_RATE((_rate)) || IS_VHT1SS_RATE((_rate)))
#define IS_2T_RATE(_rate)	(IS_HT2SS_RATE((_rate)) || IS_VHT2SS_RATE((_rate)))
#define IS_3T_RATE(_rate)	(IS_HT3SS_RATE((_rate)) || IS_VHT3SS_RATE((_rate)))
#define IS_4T_RATE(_rate)	(IS_HT4SS_RATE((_rate)) || IS_VHT4SS_RATE((_rate)))

const char *MGN_RATE_STR(enum MGN_RATE rate);

typedef enum _RATE_SECTION {
	CCK = 0,
	OFDM = 1,
	HT_MCS0_MCS7 = 2,
	HT_MCS8_MCS15 = 3,
	HT_MCS16_MCS23 = 4,
	HT_MCS24_MCS31 = 5,
	HT_1SS = HT_MCS0_MCS7,
	HT_2SS = HT_MCS8_MCS15,
	HT_3SS = HT_MCS16_MCS23,
	HT_4SS = HT_MCS24_MCS31,
	VHT_1SSMCS0_1SSMCS9 = 6,
	VHT_2SSMCS0_2SSMCS9 = 7,
	VHT_3SSMCS0_3SSMCS9 = 8,
	VHT_4SSMCS0_4SSMCS9 = 9,
	VHT_1SS = VHT_1SSMCS0_1SSMCS9,
	VHT_2SS = VHT_2SSMCS0_2SSMCS9,
	VHT_3SS = VHT_3SSMCS0_3SSMCS9,
	VHT_4SS = VHT_4SSMCS0_4SSMCS9,
	RATE_SECTION_NUM,
} RATE_SECTION;

RATE_SECTION mgn_rate_to_rs(enum MGN_RATE rate);

const char *rate_section_str(u8 section);

#define IS_CCK_RATE_SECTION(section) ((section) == CCK)
#define IS_OFDM_RATE_SECTION(section) ((section) == OFDM)
#define IS_HT_RATE_SECTION(section) ((section) >= HT_1SS && (section) <= HT_4SS)
#define IS_VHT_RATE_SECTION(section) ((section) >= VHT_1SS && (section) <= VHT_4SS)

#define IS_1T_RATE_SECTION(section) ((section) == CCK || (section) == OFDM || (section) == HT_1SS || (section) == VHT_1SS)
#define IS_2T_RATE_SECTION(section) ((section) == HT_2SS || (section) == VHT_2SS)
#define IS_3T_RATE_SECTION(section) ((section) == HT_3SS || (section) == VHT_3SS)
#define IS_4T_RATE_SECTION(section) ((section) == HT_4SS || (section) == VHT_4SS)

extern u8 mgn_rates_cck[];
extern u8 mgn_rates_ofdm[];
extern u8 mgn_rates_mcs0_7[];
extern u8 mgn_rates_mcs8_15[];
extern u8 mgn_rates_mcs16_23[];
extern u8 mgn_rates_mcs24_31[];
extern u8 mgn_rates_vht1ss[];
extern u8 mgn_rates_vht2ss[];
extern u8 mgn_rates_vht3ss[];
extern u8 mgn_rates_vht4ss[];

struct rate_section_ent {
	u8 tx_num; /* value of RF_TX_NUM */
	u8 rate_num;
	u8 *rates;
};

extern struct rate_section_ent rates_by_sections[];

#define rate_section_to_tx_num(section) (rates_by_sections[(section)].tx_num)
#define rate_section_rate_num(section) (rates_by_sections[(section)].rate_num)

/* NOTE: This data is for statistical purposes; not all hardware provides this
 *       information for frames received.  Not setting these will not cause
 *       any adverse affects. */
struct ieee80211_rx_stats {
	/* u32 mac_time[2]; */
	s8 rssi;
	u8 signal;
	u8 noise;
	u8 received_channel;
	u16 rate; /* in 100 kbps */
	/* u8 control; */
	u8 mask;
	u8 freq;
	u16 len;
};

/* IEEE 802.11 requires that STA supports concurrent reception of at least
 * three fragmented frames. This define can be increased to support more
 * concurrent frames, but it should be noted that each entry can consume about
 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
#define IEEE80211_FRAG_CACHE_LEN 4

struct ieee80211_frag_entry {
	u32 first_frag_time;
	uint seq;
	uint last_frag;
	uint qos;   /* jackson */
	uint tid;	/* jackson */
	struct sk_buff *skb;
	u8 src_addr[ETH_ALEN];
	u8 dst_addr[ETH_ALEN];
};

#ifndef PLATFORM_FREEBSD /* Baron BSD has already defined */
struct ieee80211_stats {
	uint tx_unicast_frames;
	uint tx_multicast_frames;
	uint tx_fragments;
	uint tx_unicast_octets;
	uint tx_multicast_octets;
	uint tx_deferred_transmissions;
	uint tx_single_retry_frames;
	uint tx_multiple_retry_frames;
	uint tx_retry_limit_exceeded;
	uint tx_discards;
	uint rx_unicast_frames;
	uint rx_multicast_frames;
	uint rx_fragments;
	uint rx_unicast_octets;
	uint rx_multicast_octets;
	uint rx_fcs_errors;
	uint rx_discards_no_buffer;
	uint tx_discards_wrong_sa;
	uint rx_discards_undecryptable;
	uint rx_message_in_msg_fragments;
	uint rx_message_in_bad_msg_fragments;
};
#endif /* PLATFORM_FREEBSD */
struct ieee80211_softmac_stats {
	uint rx_ass_ok;
	uint rx_ass_err;
	uint rx_probe_rq;
	uint tx_probe_rs;
	uint tx_beacons;
	uint rx_auth_rq;
	uint rx_auth_rs_ok;
	uint rx_auth_rs_err;
	uint tx_auth_rq;
	uint no_auth_rs;
	uint no_ass_rs;
	uint tx_ass_rq;
	uint rx_ass_rq;
	uint tx_probe_rq;
	uint reassoc;
	uint swtxstop;
	uint swtxawake;
};

#define SEC_KEY_1         (1<<0)
#define SEC_KEY_2         (1<<1)
#define SEC_KEY_3         (1<<2)
#define SEC_KEY_4         (1<<3)
#define SEC_ACTIVE_KEY    (1<<4)
#define SEC_AUTH_MODE     (1<<5)
#define SEC_UNICAST_GROUP (1<<6)
#define SEC_LEVEL         (1<<7)
#define SEC_ENABLED       (1<<8)

#define SEC_LEVEL_0      0 /* None */
#define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
#define SEC_LEVEL_2      2 /* Level 1 + TKIP */
#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
#define SEC_LEVEL_3      4 /* Level 2 + CCMP */

#define WEP_KEYS 4
#define WEP_KEY_LEN 13
#define BIP_MAX_KEYID 5
#define BIP_AAD_SIZE  20

#if defined(PLATFORM_LINUX)
struct ieee80211_security {
	u16 active_key:2,
	    enabled:1,
	    auth_mode:2,
	    auth_algo:4,
	    unicast_uses_group:1;
	u8 key_sizes[WEP_KEYS];
	u8 keys[WEP_KEYS][WEP_KEY_LEN];
	u8 level;
	u16 flags;
} __attribute__((packed));

#endif

/*

 802.11 data frame from AP

      ,-------------------------------------------------------------------.
Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
      |------|------|---------|---------|---------|------|---------|------|
Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
      |      | tion | (BSSID) |         |         | ence |  data   |      |
      `-------------------------------------------------------------------'

Total: 28-2340 bytes

*/

struct ieee80211_header_data {
	u16 frame_ctl;
	u16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	u16 seq_ctrl;
};

#define BEACON_PROBE_SSID_ID_POSITION 12

/* Management Frame Information Element Types */
#define MFIE_TYPE_SSID       0
#define MFIE_TYPE_RATES      1
#define MFIE_TYPE_FH_SET     2
#define MFIE_TYPE_DS_SET     3
#define MFIE_TYPE_CF_SET     4
#define MFIE_TYPE_TIM        5
#define MFIE_TYPE_IBSS_SET   6
#define MFIE_TYPE_CHALLENGE  16
#define MFIE_TYPE_ERP        42
#define MFIE_TYPE_RSN	     48
#define MFIE_TYPE_RATES_EX   50
#define MFIE_TYPE_GENERIC    221

#if defined(PLATFORM_LINUX)
struct ieee80211_info_element_hdr {
	u8 id;
	u8 len;
} __attribute__((packed));

struct ieee80211_info_element {
	u8 id;
	u8 len;
	u8 data[0];
} __attribute__((packed));
#endif


/*
 * These are the data types that can make up management packets
 *
	u16 auth_algorithm;
	u16 auth_sequence;
	u16 beacon_interval;
	u16 capability;
	u8 current_ap[ETH_ALEN];
	u16 listen_interval;
	struct {
		u16 association_id:14, reserved:2;
	} __attribute__ ((packed));
	u32 time_stamp[2];
	u16 reason;
	u16 status;
*/

#define IEEE80211_DEFAULT_TX_ESSID "Penguin"
#define IEEE80211_DEFAULT_BASIC_RATE 10


#if defined(PLATFORM_LINUX)
struct ieee80211_authentication {
	struct ieee80211_header_data header;
	u16 algorithm;
	u16 transaction;
	u16 status;
	/* struct ieee80211_info_element_hdr info_element; */
} __attribute__((packed));


struct ieee80211_probe_response {
	struct ieee80211_header_data header;
	u32 time_stamp[2];
	u16 beacon_interval;
	u16 capability;
	struct ieee80211_info_element info_element;
} __attribute__((packed));

struct ieee80211_probe_request {
	struct ieee80211_header_data header;
	/*struct ieee80211_info_element info_element;*/
} __attribute__((packed));

struct ieee80211_assoc_request_frame {
	struct rtw_ieee80211_hdr_3addr header;
	u16 capability;
	u16 listen_interval;
	/* u8 current_ap[ETH_ALEN]; */
	struct ieee80211_info_element_hdr info_element;
} __attribute__((packed));

struct ieee80211_assoc_response_frame {
	struct rtw_ieee80211_hdr_3addr header;
	u16 capability;
	u16 status;
	u16 aid;
	/*	struct ieee80211_info_element info_element;  supported rates  */
} __attribute__((packed));
#endif

struct ieee80211_txb {
	u8 nr_frags;
	u8 encrypted;
	u16 reserved;
	u16 frag_size;
	u16 payload_size;
	struct sk_buff *fragments[0];
};


/* SWEEP TABLE ENTRIES NUMBER*/
#define MAX_SWEEP_TAB_ENTRIES		  42
#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 * only use 8, and then use extended rates for the remaining supported
 * rates.  Other APs, however, stick all of their supported rates on the
 * main rates information element... */
#define MAX_RATES_LENGTH                  ((u8)12)
#define MAX_RATES_EX_LENGTH               ((u8)16)
#define MAX_NETWORK_COUNT                  128
#define IEEE80211_SOFTMAC_SCAN_TIME	  400
/* (HZ / 2) */
#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)

#define CRC_LENGTH                 4U

#define MAX_WPA_IE_LEN (256)
#define MAX_WPS_IE_LEN (512)
#define MAX_OWE_IE_LEN (128)
#define MAX_P2P_IE_LEN (256)
#define MAX_WFD_IE_LEN (128)
#define MAX_RSNX_IE_LEN (16)

#define NETWORK_EMPTY_ESSID (1<<0)
#define NETWORK_HAS_OFDM    (1<<1)
#define NETWORK_HAS_CCK     (1<<2)

#define IEEE80211_DTIM_MBCAST 4
#define IEEE80211_DTIM_UCAST 2
#define IEEE80211_DTIM_VALID 1
#define IEEE80211_DTIM_INVALID 0

#define IEEE80211_PS_DISABLED 0
#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
#define IW_ESSID_MAX_SIZE 32
#if 0
struct ieee80211_network {
	/* These entries are used to identify a unique network */
	u8 bssid[ETH_ALEN];
	u8 channel;
	/* Ensure null-terminated for any debug msgs */
	u8 ssid[IW_ESSID_MAX_SIZE + 1];
	u8 ssid_len;
	u8	rssi;	/* relative signal strength */
	u8	sq;		/* signal quality */

	/* These are network statistics */
	/* struct ieee80211_rx_stats stats; */
	u16 capability;
	u16	aid;
	u8 rates[MAX_RATES_LENGTH];
	u8 rates_len;
	u8 rates_ex[MAX_RATES_EX_LENGTH];
	u8 rates_ex_len;

	u8 edca_parmsets[18];

	u8 mode;
	u8 flags;
	u8 time_stamp[8];
	u16 beacon_interval;
	u16 listen_interval;
	u16 atim_window;
	u8 wpa_ie[MAX_WPA_IE_LEN];
	size_t wpa_ie_len;
	u8 rsn_ie[MAX_WPA_IE_LEN];
	size_t rsn_ie_len;
	u8 country[6];
	u8 dtim_period;
	u8 dtim_data;
	u8 power_constraint;
	u8 qosinfo;
	u8 qbssload[5];
	u8 network_type;
	int join_res;
	unsigned long	last_scanned;
};
#endif
/*
join_res:
-1: authentication fail
-2: association fail
> 0: TID
*/

#ifndef PLATFORM_FREEBSD /* Baron BSD has already defined */

enum ieee80211_state {

	/* the card is not linked at all */
	IEEE80211_NOLINK = 0,

	/* IEEE80211_ASSOCIATING* are for BSS client mode
	 * the driver shall not perform RX filtering unless
	 * the state is LINKED.
	 * The driver shall just check for the state LINKED and
	 * defaults to NOLINK for ALL the other states (including
	 * LINKED_SCANNING)
	 */

	/* the association procedure will start (wq scheduling)*/
	IEEE80211_ASSOCIATING,
	IEEE80211_ASSOCIATING_RETRY,

	/* the association procedure is sending AUTH request*/
	IEEE80211_ASSOCIATING_AUTHENTICATING,

	/* the association procedure has successfully authentcated
	 * and is sending association request
	 */
	IEEE80211_ASSOCIATING_AUTHENTICATED,

	/* the link is ok. the card associated to a BSS or linked
	 * to a ibss cell or acting as an AP and creating the bss
	 */
	IEEE80211_LINKED,

	/* same as LINKED, but the driver shall apply RX filter
	 * rules as we are in NO_LINK mode. As the card is still
	 * logically linked, but it is doing a syncro site survey
	 * then it will be back to LINKED state.
	 */
	IEEE80211_LINKED_SCANNING,

};
#endif /* PLATFORM_FREEBSD */

#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
#define DEFAULT_FTS 2346
#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
#define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
#define MAC_SFMT "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx"
#define MAC_SARG(x) ((u8*)(x)),((u8*)(x)) + 1,((u8*)(x)) + 2,((u8*)(x)) + 3,((u8*)(x)) + 4,((u8*)(x)) + 5
#define IP_FMT "%d.%d.%d.%d"
#define IP_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], ((u8 *)(x))[3]
#define PORT_FMT "%u"
#define PORT_ARG(x) ntohs(*((u16 *)(x)))

#define is_multicast_mac_addr(Addr) ((((Addr[0]) & 0x01) == 0x01) && ((Addr[0]) != 0xff))
#define is_broadcast_mac_addr(Addr) ((((Addr[0]) & 0xff) == 0xff) && (((Addr[1]) & 0xff) == 0xff) && \
	(((Addr[2]) & 0xff) == 0xff) && (((Addr[3]) & 0xff) == 0xff) && (((Addr[4]) & 0xff) == 0xff) && \
				     (((Addr[5]) & 0xff) == 0xff))
#define is_zero_mac_addr(Addr)	((Addr[0] == 0x00) && (Addr[1] == 0x00) && (Addr[2] == 0x00) &&   \
                (Addr[3] == 0x00) && (Addr[4] == 0x00) && (Addr[5] == 0x00))


#define CFG_IEEE80211_RESERVE_FCS (1<<0)
#define CFG_IEEE80211_COMPUTE_FCS (1<<1)

typedef struct tx_pending_t {
	int frag;
	struct ieee80211_txb *txb;
} tx_pending_t;



#define TID_NUM	16

#define IEEE_A            (1<<0)
#define IEEE_B            (1<<1)
#define IEEE_G            (1<<2)
#define IEEE_MODE_MASK    (IEEE_A | IEEE_B | IEEE_G)

/* Baron move to ieee80211.c */
int ieee80211_is_empty_essid(const char *essid, int essid_len);
int ieee80211_get_hdrlen(u16 fc);

#if 0
	/* Action frame categories (IEEE 802.11-2007, 7.3.1.11, Table 7-24) */
	#define WLAN_ACTION_SPECTRUM_MGMT 0
	#define WLAN_ACTION_QOS 1
	#define WLAN_ACTION_DLS 2
	#define WLAN_ACTION_BLOCK_ACK 3
	#define WLAN_ACTION_RADIO_MEASUREMENT 5
	#define WLAN_ACTION_FT 6
	#define WLAN_ACTION_SA_QUERY 8
	#define WLAN_ACTION_WMM 17
#endif


/* Action category code */
enum rtw_ieee80211_category {
	RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
	RTW_WLAN_CATEGORY_QOS = 1,
	RTW_WLAN_CATEGORY_DLS = 2,
	RTW_WLAN_CATEGORY_BACK = 3,
	RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
	RTW_WLAN_CATEGORY_RADIO_MEAS = 5,
	RTW_WLAN_CATEGORY_FT = 6,
	RTW_WLAN_CATEGORY_HT = 7,
	RTW_WLAN_CATEGORY_SA_QUERY = 8,
	RTW_WLAN_CATEGORY_WNM = 10,
	RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /* add for CONFIG_IEEE80211W, none 11w also can use */
	RTW_WLAN_CATEGORY_TDLS = 12,
	RTW_WLAN_CATEGORY_MESH = 13,
	RTW_WLAN_CATEGORY_MULTIHOP = 14,
	RTW_WLAN_CATEGORY_SELF_PROTECTED = 15,
	RTW_WLAN_CATEGORY_WMM = 17,
	RTW_WLAN_CATEGORY_VHT = 21,
#ifdef CONFIG_RTW_TOKEN_BASED_XMIT
	RTW_WLAN_CATEGORY_TBTX = 25,
#endif
	RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
};

#define CATEGORY_IS_GROUP_PRIVACY(cat) \
	(cat == RTW_WLAN_CATEGORY_MESH || cat == RTW_WLAN_CATEGORY_MULTIHOP)

#define CATEGORY_IS_NON_ROBUST(cat) \
	(cat == RTW_WLAN_CATEGORY_PUBLIC \
	|| cat == RTW_WLAN_CATEGORY_HT \
	|| cat == RTW_WLAN_CATEGORY_UNPROTECTED_WNM \
	|| cat == RTW_WLAN_CATEGORY_SELF_PROTECTED \
	|| cat == RTW_WLAN_CATEGORY_VHT \
	|| cat == RTW_WLAN_CATEGORY_P2P)

#define CATEGORY_IS_ROBUST(cat) !CATEGORY_IS_NON_ROBUST(cat)

/* SPECTRUM_MGMT action code */
enum rtw_ieee80211_spectrum_mgmt_actioncode {
	RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
	RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
	RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
	RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
	RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
	RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
};

/* SELF_PROTECTED action code */
enum rtw_ieee80211_self_protected_actioncode {
	RTW_ACT_SELF_PROTECTED_RSVD = 0,
	RTW_ACT_SELF_PROTECTED_MESH_OPEN = 1,
	RTW_ACT_SELF_PROTECTED_MESH_CONF = 2,
	RTW_ACT_SELF_PROTECTED_MESH_CLOSE = 3,
	RTW_ACT_SELF_PROTECTED_MESH_GK_INFORM = 4,
	RTW_ACT_SELF_PROTECTED_MESH_GK_ACK = 5,
	RTW_ACT_SELF_PROTECTED_NUM,
};

/* MESH action code */
enum rtw_ieee80211_mesh_actioncode {
	RTW_ACT_MESH_LINK_METRIC_REPORT,
	RTW_ACT_MESH_HWMP_PATH_SELECTION,
	RTW_ACT_MESH_GATE_ANNOUNCEMENT,
	RTW_ACT_MESH_CONGESTION_CONTROL_NOTIFICATION,
	RTW_ACT_MESH_MCCA_SETUP_REQUEST,
	RTW_ACT_MESH_MCCA_SETUP_REPLY,
	RTW_ACT_MESH_MCCA_ADVERTISEMENT_REQUEST,
	RTW_ACT_MESH_MCCA_ADVERTISEMENT,
	RTW_ACT_MESH_MCCA_TEARDOWN,
	RTW_ACT_MESH_TBTT_ADJUSTMENT_REQUEST,
	RTW_ACT_MESH_TBTT_ADJUSTMENT_RESPONSE,
};

enum _PUBLIC_ACTION {
	ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
	ACT_PUBLIC_DSE_ENABLE = 1,
	ACT_PUBLIC_DSE_DEENABLE = 2,
	ACT_PUBLIC_DSE_REG_LOCATION = 3,
	ACT_PUBLIC_EXT_CHL_SWITCH = 4,
	ACT_PUBLIC_DSE_MSR_REQ = 5,
	ACT_PUBLIC_DSE_MSR_RPRT = 6,
	ACT_PUBLIC_MP = 7, /* Measurement Pilot */
	ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
	ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
	ACT_PUBLIC_GAS_INITIAL_REQ = 10,
	ACT_PUBLIC_GAS_INITIAL_RSP = 11,
	ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
	ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
	ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
	ACT_PUBLIC_LOCATION_TRACK = 15,
	ACT_PUBLIC_QAB_REQ,
	ACT_PUBLIC_QAB_RSP,
	ACT_PUBLIC_QMF_POLICY,
	ACT_PUBLIC_QMF_POLICY_CHANGE,
	ACT_PUBLIC_QLOAD_REQ,
	ACT_PUBLIC_QLOAD_REPORT,
	ACT_PUBLIC_HCCA_TXOP_ADV,
	ACT_PUBLIC_HCCA_TXOP_RSP,
	ACT_PUBLIC_PUBLIC_KEY,
	ACT_PUBLIC_CH_AVAILABILITY_QUERY,
	ACT_PUBLIC_CH_SCHEDULE_MGMT,
	ACT_PUBLIC_CONTACT_VERI_SIGNAL,
	ACT_PUBLIC_GDD_ENABLE_REQ,
	ACT_PUBLIC_GDD_ENABLE_RSP,
	ACT_PUBLIC_NETWORK_CH_CONTROL,
	ACT_PUBLIC_WHITE_SPACE_MAP_ANN,
	ACT_PUBLIC_FTM_REQ,
	ACT_PUBLIC_FTM,
	ACT_PUBLIC_MAX
};

#ifdef CONFIG_TDLS
enum TDLS_ACTION_FIELD {
	TDLS_SETUP_REQUEST = 0,
	TDLS_SETUP_RESPONSE = 1,
	TDLS_SETUP_CONFIRM = 2,
	TDLS_TEARDOWN = 3,
	TDLS_PEER_TRAFFIC_INDICATION = 4,
	TDLS_CHANNEL_SWITCH_REQUEST = 5,
	TDLS_CHANNEL_SWITCH_RESPONSE = 6,
	TDLS_PEER_PSM_REQUEST = 7,
	TDLS_PEER_PSM_RESPONSE = 8,
	TDLS_PEER_TRAFFIC_RESPONSE = 9,
	TDLS_DISCOVERY_REQUEST = 10,
	TDLS_DISCOVERY_RESPONSE = 14,	/* it's used in public action frame */
};

#define	TUNNELED_PROBE_REQ	15
#define	TUNNELED_PROBE_RSP	16
#endif /* CONFIG_TDLS */

/* BACK action code */
enum rtw_ieee80211_back_actioncode {
	RTW_WLAN_ACTION_ADDBA_REQ = 0,
	RTW_WLAN_ACTION_ADDBA_RESP = 1,
	RTW_WLAN_ACTION_DELBA = 2,
};

/* HT features action code */
enum rtw_ieee80211_ht_actioncode {
	RTW_WLAN_ACTION_HT_NOTI_CHNL_WIDTH = 0,
	RTW_WLAN_ACTION_HT_SM_PS = 1,
	RTW_WLAN_ACTION_HT_PSMP = 2,
	RTW_WLAN_ACTION_HT_SET_PCO_PHASE = 3,
	RTW_WLAN_ACTION_HT_CSI = 4,
	RTW_WLAN_ACTION_HT_NON_COMPRESS_BEAMFORMING = 5,
	RTW_WLAN_ACTION_HT_COMPRESS_BEAMFORMING = 6,
	RTW_WLAN_ACTION_HT_ASEL_FEEDBACK = 7,
};

/* BACK (block-ack) parties */
enum rtw_ieee80211_back_parties {
	RTW_WLAN_BACK_RECIPIENT = 0,
	RTW_WLAN_BACK_INITIATOR = 1,
	RTW_WLAN_BACK_TIMER = 2,
};

/*20/40 BSS Coexistence element */
#define RTW_WLAN_20_40_BSS_COEX_INFO_REQ            BIT(0)
#define RTW_WLAN_20_40_BSS_COEX_40MHZ_INTOL         BIT(1)
#define RTW_WLAN_20_40_BSS_COEX_20MHZ_WIDTH_REQ     BIT(2)
#define RTW_WLAN_20_40_BSS_COEX_OBSS_EXEMPT_REQ     BIT(3)
#define RTW_WLAN_20_40_BSS_COEX_OBSS_EXEMPT_GRNT    BIT(4)

/* VHT features action code */
enum rtw_ieee80211_vht_actioncode {
	RTW_WLAN_ACTION_VHT_COMPRESSED_BEAMFORMING = 0,
	RTW_WLAN_ACTION_VHT_GROUPID_MANAGEMENT = 1,
	RTW_WLAN_ACTION_VHT_OPMODE_NOTIFICATION = 2,
};


enum EXT_CAP_INFO{
	BSS_COEXT = 0, /* 20/40 BSS Coexistence Management Support */
	EXT_CH_SWITCH = 2, /* Extended Channel Switching */
	WNM_SLEEP_MODE = 17, /* WNM Sleep Mode */
	BSS_TRANSITION = 19, /* BSS Transition */
	MULTI_BSSID = 22, /* Multiple BSSID */
	TIME_MEASUREMENT = 23, /* Timing Measurement */
	SSID_LIST = 25, /* SSID List */
	TDLS_PSM = 29, /* TDLS Peer PSM Support */
	TDLS_CH_SWITCH = 30, /* TDLS channel switching */
	INTERWORKING = 31, /* Interworking */
	TDLS_SUPPORT = 37, /* TDLS Support */
	WNM_NOTIFICATION = 46, /* WNM Notification */
	OP_MODE_NOTIFICATION = 62, /* Operating Mode Notification */
	FTM_RESPONDER = 70, /* Fine Timing Measurement Responder */
	FTM_INITIATOR = 71, /* Fine Timing Measurement Initiator */
};

#define CSA_SWITCH_MODE 0
#define CSA_NEW_CH 1
#define CSA_SWITCH_COUNT 2

#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
				* 00:50:F2 */
#ifndef PLATFORM_FREEBSD /* Baron BSD has defined */
	#define WME_OUI_TYPE 2
#endif /* PLATFORM_FREEBSD */
#define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
#define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
#define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
#define WME_VERSION 1

#define WME_ACTION_CODE_SETUP_REQUEST 0
#define WME_ACTION_CODE_SETUP_RESPONSE 1
#define WME_ACTION_CODE_TEARDOWN 2

#define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
#define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
#define WME_SETUP_RESPONSE_STATUS_REFUSED 3

#define WME_TSPEC_DIRECTION_UPLINK 0
#define WME_TSPEC_DIRECTION_DOWNLINK 1
#define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3


#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */

#ifdef CONFIG_RTW_TOKEN_BASED_XMIT
#define OUI_REALTEK	0x00e04c /* Realtek */
#endif
#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */

enum rtw_ieee80211_rann_flags {
	RTW_RANN_FLAG_IS_GATE = 1 << 0,
};

/**
 * enum rtw_ieee80211_preq_flags - mesh PREQ element flags
 *
 * @RTW_IEEE80211_PREQ_IS_GATE_FLAG: Gate Announcement subfield
 * @RTW_IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 */
enum rtw_ieee80211_preq_flags {
	RTW_IEEE80211_PREQ_IS_GATE_FLAG = 1 << 0,
	RTW_IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1 << 2,
};

/**
 * enum rtw_ieee80211_preq_target_flags - mesh PREQ element per target flags
 *
 * @RTW_IEEE80211_PREQ_TO_FLAG: target only subfield
 * @RTW_IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 */
enum rtw_ieee80211_preq_target_flags {
	RTW_IEEE80211_PREQ_TO_FLAG	= 1<<0,
	RTW_IEEE80211_PREQ_USN_FLAG	= 1<<2,
};

/**
 * enum rtw_ieee80211_root_mode_identifier - root mesh STA mode identifier
 *
 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
 *
 * @RTW_IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
 * @RTW_IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
 *	this value
 * @RTW_IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
 *	the proactive PREQ with proactive PREP subfield set to 0
 * @RTW_IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
 *	supports the proactive PREQ with proactive PREP subfield set to 1
 * @RTW_IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
 *	the proactive RANN
 */
enum rtw_ieee80211_root_mode_identifier {
	RTW_IEEE80211_ROOTMODE_NO_ROOT = 0,
	RTW_IEEE80211_ROOTMODE_ROOT = 1,
	RTW_IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
	RTW_IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
	RTW_IEEE80211_PROACTIVE_RANN = 4,
};

/**
 * enum rtw_ieee80211_channel_flags - channel flags
 *
 * Channel flags set by the regulatory control code.
 *
 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
 *      on this channel.
 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
 *      is not permitted.
 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
 *      is not permitted.
 */
enum rtw_ieee80211_channel_flags {
	RTW_IEEE80211_CHAN_DISABLED         = 1 << 0,
	RTW_IEEE80211_CHAN_PASSIVE_SCAN     = 1 << 1,
	RTW_IEEE80211_CHAN_NO_IBSS          = 1 << 2,
	RTW_IEEE80211_CHAN_RADAR            = 1 << 3,
	RTW_IEEE80211_CHAN_NO_HT40PLUS      = 1 << 4,
	RTW_IEEE80211_CHAN_NO_HT40MINUS     = 1 << 5,
};

#define RTW_IEEE80211_CHAN_NO_HT40 \
	(RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)

/* Represent channel details, subset of ieee80211_channel */
struct rtw_ieee80211_channel {
	/* enum ieee80211_band band; */
	/* u16 center_freq; */
	u16 hw_value;
	u32 flags;
	/* int max_antenna_gain; */
	/* int max_power; */
	/* int max_reg_power; */
	/* bool beacon_found; */
	/* u32 orig_flags; */
	/* int orig_mag; */
	/* int orig_mpwr; */
};

#define CHAN_FMT \
	/*"band:%d, "*/ \
	/*"center_freq:%u, "*/ \
	"hw_value:%u, " \
	"flags:0x%08x" \
	/*"max_antenna_gain:%d\n"*/ \
	/*"max_power:%d\n"*/ \
	/*"max_reg_power:%d\n"*/ \
	/*"beacon_found:%u\n"*/ \
	/*"orig_flags:0x%08x\n"*/ \
	/*"orig_mag:%d\n"*/ \
	/*"orig_mpwr:%d\n"*/

#define CHAN_ARG(channel) \
	/*(channel)->band*/ \
	/*, (channel)->center_freq*/ \
	(channel)->hw_value \
	, (channel)->flags \
	/*, (channel)->max_antenna_gain*/ \
	/*, (channel)->max_power*/ \
	/*, (channel)->max_reg_power*/ \
	/*, (channel)->beacon_found*/ \
	/*, (channel)->orig_flags*/ \
	/*, (channel)->orig_mag*/ \
	/*, (channel)->orig_mpwr*/ \

/* Parsed Information Elements */
struct rtw_ieee802_11_elems {
	u8 *ssid;
	u8 ssid_len;
	u8 *supp_rates;
	u8 supp_rates_len;
	u8 *fh_params;
	u8 fh_params_len;
	u8 *ds_params;
	u8 ds_params_len;
	u8 *cf_params;
	u8 cf_params_len;
	u8 *tim;
	u8 tim_len;
	u8 *ibss_params;
	u8 ibss_params_len;
	u8 *challenge;
	u8 challenge_len;
	u8 *erp_info;
	u8 erp_info_len;
	u8 *ext_supp_rates;
	u8 ext_supp_rates_len;
	u8 *wpa_ie;
	u8 wpa_ie_len;
	u8 *rsn_ie;
	u8 rsn_ie_len;
	u8 *wme;
	u8 wme_len;
	u8 *wme_tspec;
	u8 wme_tspec_len;
	u8 *wps_ie;
	u8 wps_ie_len;
	u8 *power_cap;
	u8 power_cap_len;
	u8 *supp_channels;
	u8 supp_channels_len;
	u8 *mdie;
	u8 mdie_len;
	u8 *ftie;
	u8 ftie_len;
	u8 *timeout_int;
	u8 timeout_int_len;
	u8 *ht_capabilities;
	u8 ht_capabilities_len;
	u8 *ht_operation;
	u8 ht_operation_len;
	u8 *vendor_ht_cap;
	u8 vendor_ht_cap_len;
	u8 *vht_capabilities;
	u8 vht_capabilities_len;
	u8 *vht_operation;
	u8 vht_operation_len;
	u8 *vht_op_mode_notify;
	u8 vht_op_mode_notify_len;
	u8 *rm_en_cap;
	u8 rm_en_cap_len;
#ifdef CONFIG_RTW_MESH
	u8 *preq;
	u8 preq_len;
	u8 *prep;
	u8 prep_len;
	u8 *perr;
	u8 perr_len;
	u8 *rann;
	u8 rann_len;
#endif
#ifdef CONFIG_RTW_TOKEN_BASED_XMIT
	u8 *tbtx_cap;
	u8 tbtx_cap_len;
#endif
};

typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;

ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
				struct rtw_ieee802_11_elems *elems,
				int show_errors);

u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen);
u8 *rtw_set_ie(u8 *pbuf, sint index, uint len, const u8 *source, uint *frlen);

enum secondary_ch_offset {
	SCN = 0, /* no secondary channel */
	SCA = 1, /* secondary channel above */
	SCB = 3,  /* secondary channel below */
};
u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset);
u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset);
u8 *rtw_set_ie_tpc_report(u8 *buf, u32 *buf_len, u8 tx_power, u8 link_margin);
u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode, u8 new_ch, u8 ch_switch_cnt);
u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset);
u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl, u8 flags, u16 reason, u16 precedence);

u8 *rtw_get_ie(const u8 *pbuf, sint index, sint *len, sint limit);
u8 rtw_update_rate_bymode(WLAN_BSSID_EX *pbss_network, u32 mode);

u8 *rtw_get_ie_ex(const u8 *in_ie, uint in_len, u8 eid, const u8 *oui, u8 oui_len, u8 *ie, uint *ielen);
u8 rtw_ies_update_ie(u8 *ies, uint *ies_len, uint ies_offset, u8 eid, const u8 *content, u8 content_len);
int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len);

void rtw_set_supported_rate(u8 *SupportedRates, uint mode) ;

#define GET_RSN_CAP_MFP_OPTION(cap)	LE_BITS_TO_2BYTE(((u8 *)(cap)), 6, 2)

#define MFP_NO			0
#define MFP_INVALID		1
#define MFP_OPTIONAL	2
#define MFP_REQUIRED	3

/*For amsdu mode */
#define GET_RSN_CAP_SPP_OPT(cap)	LE_BITS_TO_2BYTE(((u8 *)(cap)), 10, 2)
#define SET_RSN_CAP_SPP(cap, spp)	SET_BITS_TO_LE_2BYTE(((u8 *)(cap)), 10, 2, spp)
#define SPP_CAP BIT(0)
#define SPP_REQ BIT(1)

enum rtw_amsdu_mode {
	RTW_AMSDU_MODE_NON_SPP	= 0,
	RTW_AMSDU_MODE_SPP	= 1,
	RTW_AMSDU_MODE_ALL_DROP	= 2,
};

struct rsne_info {
	u8 *gcs;
	u16 pcs_cnt;
	u8 *pcs_list;
	u16 akm_cnt;
	u8 *akm_list;
	u8 *cap;
	u16 pmkid_cnt;
	u8 *pmkid_list;
	u8 *gmcs;

	u8 err;
};
int rtw_rsne_info_parse(const u8 *ie, uint ie_len, struct rsne_info *info);

unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
int rtw_get_wpa_cipher_suite(u8 *s);
int rtw_get_rsn_cipher_suite(u8 *s);
int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, u32 *akm);
int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *gmcs, u32 *akm, u8 *mfp_opt, u8* spp_opt);

int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len);

u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
u8 *rtw_get_wps_ie_from_scan_queue(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen, enum bss_type frame_type);
u8 *rtw_get_wps_ie(const u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id , u8 *buf_attr, u32 *len_attr);
u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id , u8 *buf_content, uint *len_content);

u8 *rtw_get_owe_ie(const u8 *in_ie, uint in_len, u8 *owe_ie, uint *owe_ielen);

void rtw_add_ext_cap_info(u8 *ext_cap_data, u8 *ext_cap_data_len, u8 cap_info);
void rtw_remove_ext_cap_info(u8 *ext_cap_data, u8 *ext_cap_data_len, u8 cap_info);
u8 rtw_update_ext_cap_ie(u8 *ext_cap_data, u8 ext_cap_data_len, u8 *ies, u32 *ies_len, u8 ies_offset);
void rtw_parse_ext_cap_ie(u8 *ext_cap_data, u8 *ext_cap_data_len, u8 *ies, u32 ies_len, u8 ies_offset);

/**
 * for_each_ie - iterate over continuous IEs
 * @ie:
 * @buf:
 * @buf_len:
 */
#define for_each_ie(ie, buf, buf_len) \
	for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; ie = (void *)(((u8 *)ie) + *(((u8 *)ie)+1) + 2))

void dump_ies(void *sel, const u8 *buf, u32 buf_len);
#ifdef CONFIG_RTW_DEBUG

#ifdef CONFIG_80211N_HT
#define HT_SC_OFFSET_MAX 4
extern const char *const _ht_sc_offset_str[];
#define ht_sc_offset_str(sc) (((sc) >= HT_SC_OFFSET_MAX) ? _ht_sc_offset_str[2] : _ht_sc_offset_str[(sc)])

void dump_ht_cap_ie_content(void *sel, const u8 *buf, u32 buf_len);
#endif

void dump_wps_ie(void *sel, const u8 *ie, u32 ie_len);
#endif	/*	CONFIG_RTW_DEBUG	*/

void rtw_ies_get_chbw(u8 *ies, int ies_len, u8 *ch, u8 *bw, u8 *offset, u8 ht, u8 vht);

void rtw_bss_get_chbw(WLAN_BSSID_EX *bss, u8 *ch, u8 *bw, u8 *offset, u8 ht, u8 vht);

bool rtw_is_chbw_grouped(u8 ch_a, u8 bw_a, u8 offset_a
	, u8 ch_b, u8 bw_b, u8 offset_b);
void rtw_sync_chbw(u8 *req_ch, u8 *req_bw, u8 *req_offset
	, u8 *g_ch, u8 *g_bw, u8 *g_offset);

#ifdef CONFIG_P2P
u32 rtw_get_p2p_merged_ies_len(u8 *in_ie, u32 in_len);
int rtw_p2p_merge_ies(u8 *in_ie, u32 in_len, u8 *merge_ie);
#ifdef CONFIG_RTW_DEBUG
void dump_p2p_ie(void *sel, const u8 *ie, u32 ie_len);
#endif
u8 *rtw_get_p2p_ie(const u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen);
u8 *rtw_get_p2p_attr(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id, u8 *buf_attr, u32 *len_attr);
u8 *rtw_get_p2p_attr_content(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id, u8 *buf_content, uint *len_content);
u32 rtw_set_p2p_attr_content(u8 *pbuf, u8 attr_id, u16 attr_len, u8 *pdata_attr);
uint rtw_del_p2p_ie(u8 *ies, uint ies_len_ori, const char *msg);
uint rtw_del_p2p_attr(u8 *ie, uint ielen_ori, u8 attr_id);
u8 *rtw_bss_ex_get_p2p_ie(WLAN_BSSID_EX *bss_ex, u8 *p2p_ie, uint *p2p_ielen);
void rtw_bss_ex_del_p2p_ie(WLAN_BSSID_EX *bss_ex);
void rtw_bss_ex_del_p2p_attr(WLAN_BSSID_EX *bss_ex, u8 attr_id);
#endif	/*	CONFIG_P2P	*/

uint rtw_del_wfd_ie(u8 *ies, uint ies_len_ori, const char *msg);
void rtw_bss_ex_del_wfd_ie(WLAN_BSSID_EX *bss_ex);
#ifdef CONFIG_WFD
#ifdef CONFIG_RTW_DEBUG
void dump_wfd_ie(void *sel, const u8 *ie, u32 ie_len);
#endif
u8 *rtw_get_wfd_ie(const u8 *in_ie, int in_len, u8 *wfd_ie, uint *wfd_ielen);
u8 *rtw_get_wfd_attr(u8 *wfd_ie, uint wfd_ielen, u8 target_attr_id, u8 *buf_attr, u32 *len_attr);
u8 *rtw_get_wfd_attr_content(u8 *wfd_ie, uint wfd_ielen, u8 target_attr_id, u8 *buf_content, uint *len_content);
uint rtw_del_wfd_attr(u8 *ie, uint ielen_ori, u8 attr_id);
u8 *rtw_bss_ex_get_wfd_ie(WLAN_BSSID_EX *bss_ex, u8 *wfd_ie, uint *wfd_ielen);
void rtw_bss_ex_del_wfd_attr(WLAN_BSSID_EX *bss_ex, u8 attr_id);
#endif

#define MULTI_AP_SUB_ELEM_TYPE 0x06
#define MULTI_AP_TEAR_DOWN BIT(4)
#define MULTI_AP_FRONTHAUL_BSS BIT(5)
#define MULTI_AP_BACKHAUL_BSS BIT(6)
#define MULTI_AP_BACKHAUL_STA BIT(7)
#ifdef CONFIG_RTW_MULTI_AP
void dump_multi_ap_ie(void *sel, const u8 *ie, u32 ie_len);
u8 rtw_get_multi_ap_ie_ext(const u8 *ies, int ies_len);
u8 *rtw_set_multi_ap_ie_ext(u8 *pbuf, uint *frlen, u8 val);
#endif

uint	rtw_get_rateset_len(u8	*rateset);

struct registry_priv;
int rtw_generate_ie(struct registry_priv *pregistrypriv);

int rtw_get_bit_value_from_ieee_value(u8 val);

uint	rtw_is_cckrates_included(u8 *rate);

uint	rtw_is_cckratesonly_included(u8 *rate);
uint rtw_get_cckrate_size(u8 *rate,u32 rate_length);
int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);

u8 rtw_check_invalid_mac_address(u8 *mac_addr, u8 check_local_bit);
void rtw_macaddr_cfg(u8 *out, const u8 *hw_mac_addr);

u16 rtw_ht_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate);
u8	rtw_ht_mcsset_to_nss(u8 *supp_mcs_set);
u32	rtw_ht_mcs_set_to_bitmap(u8 *mcs_set, u8 nss);
u8 rtw_ht_cap_get_rx_nss(u8 *ht_cap);
u8 rtw_ht_cap_get_tx_nss(u8 *ht_cap);

int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action);
const char *action_public_str(u8 action);

u8 key_2char2num(u8 hch, u8 lch);
u8 str_2char2num(u8 hch, u8 lch);
void macstr2num(u8 *dst, u8 *src);
u8 convert_ip_addr(u8 hch, u8 mch, u8 lch);
int wifirate2_ratetbl_inx(unsigned char rate);

/* For amsdu mode. */
/*void rtw_set_spp_amsdu_mode(u8 mode, u8 *rsn_ie, int rsn_ie_len); */
u8 rtw_check_amsdu_disable(u8 mode, u8 spp_opt);

#endif /* IEEE80211_H */