/**
 ****************************************************************************************
 *
 * @file lmac_mac_types.h
 *
 * @brief MAC related definitions.
 *
 * Adapted from mac_types.h to used lmac_types.h instead of standard types
 * eg: perl -pi -e '$_ =~ s/uint(\d{1,2})_t/u$1_l/g; \
 *                  $_ =~ s/int(\d{1,2})_t/s$1_l/g; \
 *                  $_ =~ s/CO_BIT/BIT/g;' lmac_mac.h
 *
 * Copyright (C) RivieraWaves 2011-2019
 *
 ****************************************************************************************
 */

#ifndef LMAC_MAC_H_
#define LMAC_MAC_H_

#include "lmac_types.h"

/// Interface types
enum mac_vif_type {
	/// ESS STA interface
	VIF_STA,
	/// IBSS STA interface
	VIF_IBSS,
	/// AP interface
	VIF_AP,
	/// Mesh Point interface
	VIF_MESH_POINT,
	/// Monitor interface
	VIF_MONITOR,
	/// Unknown type
	VIF_UNKNOWN
};

/// MAC address length in bytes.
#define MAC_ADDR_LEN 6

/// MAC address structure.
struct mac_addr {
	/// Array of 16-bit words that make up the MAC address.
	u16_l array[MAC_ADDR_LEN/2];
};

/// SSID maximum length.
#define MAC_SSID_LEN 32

/// SSID.
struct mac_ssid {
	/// Actual length of the SSID.
	u8_l length;
	/// Array containing the SSID name.
	u8_l array[MAC_SSID_LEN];
};

/// BSS type
enum mac_bss_type {
	INFRASTRUCTURE_MODE = 1,
	INDEPENDENT_BSS_MODE,
	ANY_BSS_MODE
};

/// Channel Band
enum mac_chan_band {
	/// 2.4GHz Band
	PHY_BAND_2G4,
	/// 5GHz band
	PHY_BAND_5G,
	/// Number of bands
	PHY_BAND_MAX,
};

/// Operating Channel Bandwidth
enum mac_chan_bandwidth {
	/// 20MHz BW
	PHY_CHNL_BW_20,
	/// 40MHz BW
	PHY_CHNL_BW_40,
	/// 80MHz BW
	PHY_CHNL_BW_80,
	/// 160MHz BW
	PHY_CHNL_BW_160,
	/// 80+80MHz BW
	PHY_CHNL_BW_80P80,
	/// Reserved BW
	PHY_CHNL_BW_OTHER,
};

/// max number of channels in the 2.4 GHZ band
#define MAC_DOMAINCHANNEL_24G_MAX 14

/// max number of channels in the 5 GHZ band
#define MAC_DOMAINCHANNEL_5G_MAX 28

/// Channel Flag
enum mac_chan_flags {
	/// Cannot initiate radiation on this channel
	CHAN_NO_IR = BIT(0),
	/// Channel is not allowed
	CHAN_DISABLED = BIT(1),
	/// Radar detection required on this channel
	CHAN_RADAR = BIT(2),
};

/// Primary Channel definition
struct mac_chan_def {
	/// Frequency of the channel (in MHz)
	u16_l freq;
	/// RF band (@ref mac_chan_band)
	u8_l band;
	/// Additional information (@ref mac_chan_flags)
	u8_l flags;
	/// Max transmit power allowed on this channel (dBm)
	s8_l tx_power;
};

/// Operating Channel
struct mac_chan_op {
	/// Band (@ref mac_chan_band)
	u8_l band;
	/// Channel type (@ref mac_chan_bandwidth)
	u8_l type;
	/// Frequency for Primary 20MHz channel (in MHz)
	u16_l prim20_freq;
	/// Frequency center of the contiguous channel or center of Primary 80+80 (in MHz)
	u16_l center1_freq;
	/// Frequency center of the non-contiguous secondary 80+80 (in MHz)
	u16_l center2_freq;
	/// Max transmit power allowed on this channel (dBm)
	s8_l tx_power;
	/// Additional information (@ref mac_chan_flags)
	u8_l flags;
};

/// Cipher suites (order is important as it is used by MACHW)
enum mac_cipher_suite {
	/// 00-0F-AC 1
	MAC_CIPHER_WEP40 = 0,
	/// 00-0F-AC 2
	MAC_CIPHER_TKIP = 1,
	/// 00-0F-AC 4
	MAC_CIPHER_CCMP = 2,
	/// 00-0F-AC 5
	MAC_CIPHER_WEP104 = 3,
	/// 00-14-72 1
	MAC_CIPHER_WPI_SMS4 = 4,
	/// 00-0F-AC 6  (aka AES_CMAC)
	MAC_CIPHER_BIP_CMAC_128 = 5,

	// following cipher are not supported by MACHW
	/// 00-0F-AC 08
	MAC_CIPHER_GCMP_128,
	/// 00-0F-AC 09
	MAC_CIPHER_GCMP_256,
	/// 00-0F-AC 10
	MAC_CIPHER_CCMP_256,
	/// 00-0F-AC 11
	MAC_CIPHER_BIP_GMAC_128,
	/// 00-0F-AC 12
	MAC_CIPHER_BIP_GMAC_256,
	/// 00-0F-AC 13
	MAC_CIPHER_BIP_CMAC_256,

	MAC_CIPHER_INVALID = 0xFF
};

/// Authentication and Key Management suite
enum mac_akm_suite {
	/// No security
	MAC_AKM_NONE,
	/// Pre RSN (WEP or WPA)
	MAC_AKM_PRE_RSN,
	/// 00-0F-AC 1
	MAC_AKM_8021X,
	/// 00-0F-AC 2
	MAC_AKM_PSK,
	/// 00-0F-AC 3
	MAC_AKM_FT_8021X,
	/// 00-0F-AC 4
	MAC_AKM_FT_PSK,
	/// 00-0F-AC 5
	MAC_AKM_8021X_SHA256,
	/// 00-0F-AC 6
	MAC_AKM_PSK_SHA256,
	/// 00-0F-AC 7
	MAC_AKM_TDLS,
	/// 00-0F-AC 8
	MAC_AKM_SAE,
	/// 00-0F-AC 9
	MAC_AKM_FT_OVER_SAE,
	/// 00-0F-AC 11
	MAC_AKM_8021X_SUITE_B,
	/// 00-0F-AC 12
	MAC_AKM_8021X_SUITE_B_192,
	/// 00-0F-AC 14
	MAC_AKM_FILS_SHA256,
	/// 00-0F-AC 15
	MAC_AKM_FILS_SHA384,
	/// 00-0F-AC 16
	MAC_AKM_FT_FILS_SHA256,
	/// 00-0F-AC 17
	MAC_AKM_FT_FILS_SHA384,
	/// 00-0F-AC 18
	MAC_AKM_OWE,

	/// 00-14-72 1
	MAC_AKM_WAPI_CERT,
	/// 00-14-72 2
	MAC_AKM_WAPI_PSK,
};

/// Scan result element, parsed from beacon or probe response frames.
struct mac_scan_result {
	/// Scan result is valid
	bool valid_flag;
	/// Network BSSID.
	struct mac_addr bssid;
	/// Network name.
	struct mac_ssid ssid;
	/// Network type (@ref mac_bss_type).
	u16_l bsstype;
	/// Network channel.
	struct mac_chan_def *chan;
	/// Network beacon period (in TU).
	u16_l beacon_period;
	/// Capability information
	u16_l cap_info;
	/// Supported AKM (bit-field of @ref mac_akm_suite)
	u32_l akm;
	/// Group cipher (bit-field of @ref mac_cipher_suite)
	u16_l group_cipher;
	/// Group cipher (bit-field of @ref mac_cipher_suite)
	u16_l pairwise_cipher;
	/// RSSI of the scanned BSS (in dBm)
	s8_l rssi;
};

/// Legacy rate 802.11 definitions
enum mac_legacy_rates {
	/// DSSS/CCK 1Mbps
	MAC_RATE_1MBPS   =   2,
	/// DSSS/CCK 2Mbps
	MAC_RATE_2MBPS   =   4,
	/// DSSS/CCK 5.5Mbps
	MAC_RATE_5_5MBPS =  11,
	/// OFDM 6Mbps
	MAC_RATE_6MBPS   =  12,
	/// OFDM 9Mbps
	MAC_RATE_9MBPS   =  18,
	/// DSSS/CCK 11Mbps
	MAC_RATE_11MBPS  =  22,
	/// OFDM 12Mbps
	MAC_RATE_12MBPS  =  24,
	/// OFDM 18Mbps
	MAC_RATE_18MBPS  =  36,
	/// OFDM 24Mbps
	MAC_RATE_24MBPS  =  48,
	/// OFDM 36Mbps
	MAC_RATE_36MBPS  =  72,
	/// OFDM 48Mbps
	MAC_RATE_48MBPS  =  96,
	/// OFDM 54Mbps
	MAC_RATE_54MBPS  = 108
};

/// BSS Membership Selector definitions
enum mac_bss_membership {
	/// HT PHY
	MAC_BSS_MEMBERSHIP_HT_PHY = 127,
	/// VHT PHY
	MAC_BSS_MEMBERSHIP_VHT_PHY = 126,
};

/// MAC rateset maximum length
#define MAC_RATESET_LEN 12

/// Structure containing the legacy rateset of a station
struct mac_rateset {
	/// Number of legacy rates supported
	u8_l length;
	/// Array of legacy rates
	u8_l array[MAC_RATESET_LEN];
};

/// MAC Security Key maximum length
#define MAC_SEC_KEY_LEN 32  // TKIP keys 256 bits (max length) with MIC keys

/// Structure defining a security key
struct mac_sec_key {
	/// Key material length
	u8_l length;
	/// Key material
	u32_l array[MAC_SEC_KEY_LEN/4];
};

/// Access Category enumeration
enum mac_ac {
	/// Background
	AC_BK = 0,
	/// Best-effort
	AC_BE,
	/// Video
	AC_VI,
	/// Voice
	AC_VO,
	/// Number of access categories
	AC_MAX
};

/// Traffic ID enumeration
enum mac_tid {
	/// TID_0. Mapped to @ref AC_BE as per 802.11 standard.
	TID_0,
	/// TID_1. Mapped to @ref AC_BK as per 802.11 standard.
	TID_1,
	/// TID_2. Mapped to @ref AC_BK as per 802.11 standard.
	TID_2,
	/// TID_3. Mapped to @ref AC_BE as per 802.11 standard.
	TID_3,
	/// TID_4. Mapped to @ref AC_VI as per 802.11 standard.
	TID_4,
	/// TID_5. Mapped to @ref AC_VI as per 802.11 standard.
	TID_5,
	/// TID_6. Mapped to @ref AC_VO as per 802.11 standard.
	TID_6,
	/// TID_7. Mapped to @ref AC_VO as per 802.11 standard.
	TID_7,
	/// Non standard Management TID used internally
	TID_MGT,
	/// Number of TID supported
	TID_MAX
};

/// MCS bitfield maximum size (in bytes)
#define MAX_MCS_LEN 16 // 16 * 8 = 128

/// MAC HT capability information element
struct mac_htcapability {
	/// HT capability information
	u16_l ht_capa_info;
	/// A-MPDU parameters
	u8_l a_mpdu_param;
	/// Supported MCS
	u8_l mcs_rate[MAX_MCS_LEN];
	/// HT extended capability information
	u16_l ht_extended_capa;
	/// Beamforming capability information
	u32_l tx_beamforming_capa;
	/// Antenna selection capability information
	u8_l asel_capa;
};

/// MAC VHT capability information element
struct mac_vhtcapability {
	/// VHT capability information
	u32_l vht_capa_info;
	/// RX MCS map
	u16_l rx_mcs_map;
	/// RX highest data rate
	u16_l rx_highest;
	/// TX MCS map
	u16_l tx_mcs_map;
	/// TX highest data rate
	u16_l tx_highest;
};

/// Length (in bytes) of the MAC HE capability field
#define MAC_HE_MAC_CAPA_LEN 6
/// Length (in bytes) of the PHY HE capability field
#define MAC_HE_PHY_CAPA_LEN 11
/// Maximum length (in bytes) of the PPE threshold data
#define MAC_HE_PPE_THRES_MAX_LEN 25

/// Structure listing the per-NSS, per-BW supported MCS combinations
struct mac_he_mcs_nss_supp {
	/// per-NSS supported MCS in RX, for BW <= 80MHz
	u16_l rx_mcs_80;
	/// per-NSS supported MCS in TX, for BW <= 80MHz
	u16_l tx_mcs_80;
	/// per-NSS supported MCS in RX, for BW = 160MHz
	u16_l rx_mcs_160;
	/// per-NSS supported MCS in TX, for BW = 160MHz
	u16_l tx_mcs_160;
	/// per-NSS supported MCS in RX, for BW = 80+80MHz
	u16_l rx_mcs_80p80;
	/// per-NSS supported MCS in TX, for BW = 80+80MHz
	u16_l tx_mcs_80p80;
};

/// MAC HE capability information element
struct mac_hecapability {
	/// MAC HE capabilities
	u8_l mac_cap_info[MAC_HE_MAC_CAPA_LEN];
	/// PHY HE capabilities
	u8_l phy_cap_info[MAC_HE_PHY_CAPA_LEN];
	/// Supported MCS combinations
	struct mac_he_mcs_nss_supp mcs_supp;
	/// PPE Thresholds data
	u8_l ppe_thres[MAC_HE_PPE_THRES_MAX_LEN];
};

/// Station flags
enum mac_sta_flags {
	/// Bit indicating that a STA has QoS (WMM) capability
	STA_QOS_CAPA = BIT(0),
	/// Bit indicating that a STA has HT capability
	STA_HT_CAPA = BIT(1),
	/// Bit indicating that a STA has VHT capability
	STA_VHT_CAPA = BIT(2),
	/// Bit indicating that a STA has MFP capability
	STA_MFP_CAPA = BIT(3),
	/// Bit indicating that the STA included the Operation Notification IE
	STA_OPMOD_NOTIF = BIT(4),
	/// Bit indicating that a STA has HE capability
	STA_HE_CAPA = BIT(5),
};

/// Connection flags
enum mac_connection_flags {
	/// Flag indicating whether the control port is controlled by host or not
	CONTROL_PORT_HOST = BIT(0),
	/// Flag indicating whether the control port frame shall be sent unencrypted
	CONTROL_PORT_NO_ENC = BIT(1),
	/// Flag indicating whether HT and VHT shall be disabled or not
	DISABLE_HT = BIT(2),
	/// Flag indicating whether WPA or WPA2 authentication is in use
	WPA_WPA2_IN_USE = BIT(3),
	/// Flag indicating whether MFP is in use
	MFP_IN_USE = BIT(4),
	//  Flag indicating Roam
	REASSOCIATION = BIT(5),
};

#ifdef CONFIG_HE_FOR_OLD_KERNEL
#define IEEE80211_HE_MAC_CAP2_ALL_ACK									0x02
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G				0x02
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G		0x04
#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD					0x20
#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US			0x40
#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS					0x80
#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS					0x01
#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US						0x02
#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX								0x20
#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ						0x08
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM					0x18
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1							0x00
#define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA				0x40
#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE								0x01
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4			0x0c
#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK							0x40
#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK							0x80
#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU						0x01
#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU						0x02
#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB						0x04
#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB						0x08
#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT						0x80
#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO				0x40
#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI			0x04
#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G				0x02
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB		0x10
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB	0x20

#define IEEE80211_HE_PPE_THRES_MAX_LEN		25

#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
#define WLAN_EID_EXTENSION  255
/* Element ID Extensions for Element ID 255 */

enum ieee80211_eid_ext {
	WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
	WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
	WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
	WLAN_EID_EXT_FILS_SESSION = 4,
	WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
	WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
	WLAN_EID_EXT_KEY_DELIVERY = 7,
	WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
	WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
	WLAN_EID_EXT_FILS_NONCE = 13,
	WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,

};

#endif

#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
#define WLAN_EID_EXT_HE_CAPABILITY  35
#define WLAN_EID_EXT_HE_OPERATION  36
#define WLAN_EID_EXT_UORA  37
#define WLAN_EID_EXT_HE_MU_EDCA  38
#define WLAN_EID_EXT_HE_SPR  39
#define WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET  41
#define WLAN_EID_EXT_BSS_COLOR_CHG_ANN  42
#define WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP  43
#define WLAN_EID_EXT_ESS_REPORT  45
#define WLAN_EID_EXT_OPS  46
#define WLAN_EID_EXT_HE_BSS_LOAD  47
#define WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME  52
#define WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION  55
#define WLAN_EID_EXT_NON_INHERITANCE  56
#define WLAN_EID_EXT_KNOWN_BSSID  57
#define WLAN_EID_EXT_SHORT_SSID_LIST  58
#define WLAN_EID_EXT_HE_6GHZ_CAPA  59
#define WLAN_EID_EXT_UL_MU_POWER_CAPA  60
#define WLAN_EID_EXT_EHT_OPERATION  106
#define WLAN_EID_EXT_EHT_MULTI_LINK  107
#define WLAN_EID_EXT_EHT_CAPABILITY  108
#endif


#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)
#include <linux/ieee80211.h>
#else
struct ieee80211_he_cap_elem {
	u8 mac_cap_info[6];
	u8 phy_cap_info[11];
} __packed;

struct ieee80211_he_mcs_nss_supp {
	__le16 rx_mcs_80;
	__le16 tx_mcs_80;
	__le16 rx_mcs_160;
	__le16 tx_mcs_160;
	__le16 rx_mcs_80p80;
	__le16 tx_mcs_80p80;
} __packed;

struct ieee80211_sta_he_cap {
	bool has_he;
	struct ieee80211_he_cap_elem he_cap_elem;
	struct ieee80211_he_mcs_nss_supp he_mcs_nss_supp;
	u8 ppe_thres[IEEE80211_HE_PPE_THRES_MAX_LEN];
};

struct ieee80211_sband_iftype_data {
	u16 types_mask;
	struct ieee80211_sta_he_cap he_cap;
};
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0) || defined(CONFIG_VHT_FOR_OLD_KERNEL)
struct ieee80211_vht_mcs_info {
	__le16 rx_mcs_map;
	__le16 rx_highest;
	__le16 tx_mcs_map;
	__le16 tx_highest;
} __packed;

struct ieee80211_vht_cap {
	__le32 vht_cap_info;
	struct ieee80211_vht_mcs_info supp_mcs;
};
#define WLAN_EID_VHT_CAPABILITY             191

struct ieee80211_sta_vht_cap {
	bool vht_supported;
	u32 cap; /* use IEEE80211_VHT_CAP_ */
	struct ieee80211_vht_mcs_info vht_mcs;
};
#endif
#endif // LMAC_MAC_H_
