linux/drivers/net/wireless/quantenna/qtnfmac/qlink.h

/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */

#ifndef _QTN_QLINK_H_
#define _QTN_QLINK_H_

#include <linux/ieee80211.h>

#define QLINK_PROTO_VER_MAJOR_M		0xFFFF
#define QLINK_PROTO_VER_MAJOR_S		16
#define QLINK_PROTO_VER_MINOR_M		0xFFFF
#define QLINK_VER_MINOR(_ver)	((_ver) & QLINK_PROTO_VER_MINOR_M)
#define QLINK_VER_MAJOR(_ver)	\
	(((_ver) >> QLINK_PROTO_VER_MAJOR_S) & QLINK_PROTO_VER_MAJOR_M)
#define QLINK_VER(_maj, _min)	(((_maj) << QLINK_PROTO_VER_MAJOR_S) | (_min))

#define QLINK_PROTO_VER_MAJOR		18
#define QLINK_PROTO_VER_MINOR		1
#define QLINK_PROTO_VER		\
	QLINK_VER(QLINK_PROTO_VER_MAJOR, QLINK_PROTO_VER_MINOR)

#define QLINK_ALIGN	4

#define QLINK_MACID_RSVD		0xFF
#define QLINK_VIFID_RSVD		0xFF

/* Common QLINK protocol messages definitions.
 */

/**
 * enum qlink_msg_type - QLINK message types
 *
 * Used to distinguish between message types of QLINK protocol.
 *
 * @QLINK_MSG_TYPE_CMD: Message is carrying data of a command sent from
 *	driver to wireless hardware.
 * @QLINK_MSG_TYPE_CMDRSP: Message is carrying data of a response to a command.
 *	Sent from wireless HW to driver in reply to previously issued command.
 * @QLINK_MSG_TYPE_EVENT: Data for an event originated in wireless hardware and
 *	sent asynchronously to driver.
 */
enum qlink_msg_type {
	QLINK_MSG_TYPE_CMD	= 1,
	QLINK_MSG_TYPE_CMDRSP	= 2,
	QLINK_MSG_TYPE_EVENT	= 3
};

/**
 * struct qlink_msg_header - common QLINK protocol message header
 *
 * Portion of QLINK protocol header common for all message types.
 *
 * @type: Message type, one of &enum qlink_msg_type.
 * @len: Total length of message including all headers.
 */
struct qlink_msg_header {
	__le16 type;
	__le16 len;
} __packed;

/* Generic definitions of data and information carried in QLINK messages
 */

/**
 * enum qlink_hw_capab - device capabilities.
 *
 * @QLINK_HW_CAPAB_REG_UPDATE: device can update it's regulatory region.
 * @QLINK_HW_CAPAB_STA_INACT_TIMEOUT: device implements a logic to kick-out
 *	associated STAs due to inactivity. Inactivity timeout period is taken
 *	from QLINK_CMD_START_AP parameters.
 * @QLINK_HW_CAPAB_DFS_OFFLOAD: device implements DFS offload functionality
 * @QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR: device supports MAC Address
 *	Randomization in probe requests.
 * @QLINK_HW_CAPAB_OBSS_SCAN: device can perform OBSS scanning.
 * @QLINK_HW_CAPAB_HW_BRIDGE: device has hardware switch capabilities.
 */
enum qlink_hw_capab {
	QLINK_HW_CAPAB_REG_UPDATE = 0,
	QLINK_HW_CAPAB_STA_INACT_TIMEOUT,
	QLINK_HW_CAPAB_DFS_OFFLOAD,
	QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR,
	QLINK_HW_CAPAB_PWR_MGMT,
	QLINK_HW_CAPAB_OBSS_SCAN,
	QLINK_HW_CAPAB_SCAN_DWELL,
	QLINK_HW_CAPAB_SAE,
	QLINK_HW_CAPAB_HW_BRIDGE,
	QLINK_HW_CAPAB_NUM
};

/**
 * enum qlink_driver_capab - host driver capabilities.
 *
 */
enum qlink_driver_capab {
	QLINK_DRV_CAPAB_NUM = 0
};

enum qlink_iface_type {
	QLINK_IFTYPE_AP		= 1,
	QLINK_IFTYPE_STATION	= 2,
	QLINK_IFTYPE_ADHOC	= 3,
	QLINK_IFTYPE_MONITOR	= 4,
	QLINK_IFTYPE_WDS	= 5,
	QLINK_IFTYPE_AP_VLAN	= 6,
};

/**
 * struct qlink_intf_info - information on virtual interface.
 *
 * Data describing a single virtual interface.
 *
 * @if_type: Mode of interface operation, one of &enum qlink_iface_type
 * @vlanid: VLAN ID for AP_VLAN interface type
 * @mac_addr: MAC address of virtual interface.
 */
struct qlink_intf_info {
	__le16 if_type;
	__le16 vlanid;
	u8 mac_addr[ETH_ALEN];
	u8 use4addr;
	u8 rsvd[1];
} __packed;

enum qlink_sta_flags {
	QLINK_STA_FLAG_INVALID		= 0,
	QLINK_STA_FLAG_AUTHORIZED		= BIT(0),
	QLINK_STA_FLAG_SHORT_PREAMBLE	= BIT(1),
	QLINK_STA_FLAG_WME			= BIT(2),
	QLINK_STA_FLAG_MFP			= BIT(3),
	QLINK_STA_FLAG_AUTHENTICATED		= BIT(4),
	QLINK_STA_FLAG_TDLS_PEER		= BIT(5),
	QLINK_STA_FLAG_ASSOCIATED		= BIT(6),
};

enum qlink_channel_width {
	QLINK_CHAN_WIDTH_5 = 0,
	QLINK_CHAN_WIDTH_10,
	QLINK_CHAN_WIDTH_20_NOHT,
	QLINK_CHAN_WIDTH_20,
	QLINK_CHAN_WIDTH_40,
	QLINK_CHAN_WIDTH_80,
	QLINK_CHAN_WIDTH_80P80,
	QLINK_CHAN_WIDTH_160,
};

/**
 * struct qlink_channel - qlink control channel definition
 *
 * @hw_value: hardware-specific value for the channel
 * @center_freq: center frequency in MHz
 * @flags: channel flags from &enum qlink_channel_flags
 * @band: band this channel belongs to
 * @max_antenna_gain: maximum antenna gain in dBi
 * @max_power: maximum transmission power (in dBm)
 * @max_reg_power: maximum regulatory transmission power (in dBm)
 * @dfs_state: current state of this channel.
 *      Only relevant if radar is required on this channel.
 * @beacon_found: helper to regulatory code to indicate when a beacon
 *	has been found on this channel. Use regulatory_hint_found_beacon()
 *	to enable this, this is useful only on 5 GHz band.
 */
struct qlink_channel {
	__le16 hw_value;
	__le16 center_freq;
	__le32 flags;
	u8 band;
	u8 max_antenna_gain;
	u8 max_power;
	u8 max_reg_power;
	__le32 dfs_cac_ms;
	u8 dfs_state;
	u8 beacon_found;
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_chandef - qlink channel definition
 *
 * @chan: primary channel definition
 * @center_freq1: center frequency of first segment
 * @center_freq2: center frequency of second segment (80+80 only)
 * @width: channel width, one of @enum qlink_channel_width
 */
struct qlink_chandef {
	struct qlink_channel chan;
	__le16 center_freq1;
	__le16 center_freq2;
	u8 width;
	u8 rsvd[3];
} __packed;

#define QLINK_MAX_NR_CIPHER_SUITES            5
#define QLINK_MAX_NR_AKM_SUITES               2

struct qlink_auth_encr {
	__le32 wpa_versions;
	__le32 cipher_group;
	__le32 n_ciphers_pairwise;
	__le32 ciphers_pairwise[QLINK_MAX_NR_CIPHER_SUITES];
	__le32 n_akm_suites;
	__le32 akm_suites[QLINK_MAX_NR_AKM_SUITES];
	__le16 control_port_ethertype;
	u8 auth_type;
	u8 privacy;
	u8 control_port;
	u8 control_port_no_encrypt;
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_sta_info_state - station flags mask/value
 *
 * @mask: STA flags mask, bitmap of &enum qlink_sta_flags
 * @value: STA flags values, bitmap of &enum qlink_sta_flags
 */
struct qlink_sta_info_state {
	__le32 mask;
	__le32 value;
} __packed;

/**
 * enum qlink_sr_ctrl_flags - control flags for spatial reuse parameter set
 *
 * @QLINK_SR_PSR_DISALLOWED: indicates whether or not PSR-based spatial reuse
 * transmissions are allowed for STAs associated with the AP
 * @QLINK_SR_NON_SRG_OBSS_PD_SR_DISALLOWED: indicates whether or not
 * Non-SRG OBSS PD spatial reuse transmissions are allowed for STAs associated
 * with the AP
 * @NON_SRG_OFFSET_PRESENT: indicates whether or not Non-SRG OBSS PD Max offset
 * field is valid in the element
 * @QLINK_SR_SRG_INFORMATION_PRESENT: indicates whether or not SRG OBSS PD
 * Min/Max offset fields ore valid in the element
 */
enum qlink_sr_ctrl_flags {
	QLINK_SR_PSR_DISALLOWED                = BIT(0),
	QLINK_SR_NON_SRG_OBSS_PD_SR_DISALLOWED = BIT(1),
	QLINK_SR_NON_SRG_OFFSET_PRESENT        = BIT(2),
	QLINK_SR_SRG_INFORMATION_PRESENT       = BIT(3),
};

/**
 * struct qlink_sr_params - spatial reuse parameters
 *
 * @sr_control: spatial reuse control field; flags contained in this field are
 * defined in @qlink_sr_ctrl_flags
 * @non_srg_obss_pd_max: added to -82 dBm to generate the value of the
 * Non-SRG OBSS PD Max parameter
 * @srg_obss_pd_min_offset: added to -82 dBm to generate the value of the
 * SRG OBSS PD Min parameter
 * @srg_obss_pd_max_offset: added to -82 dBm to generate the value of the
 * SRG PBSS PD Max parameter
 */
struct qlink_sr_params {
	u8 sr_control;
	u8 non_srg_obss_pd_max;
	u8 srg_obss_pd_min_offset;
	u8 srg_obss_pd_max_offset;
} __packed;

/* QLINK Command messages related definitions
 */

/**
 * enum qlink_cmd_type - list of supported commands
 *
 * Commands are QLINK messages of type @QLINK_MSG_TYPE_CMD, sent by driver to
 * wireless network device for processing. Device is expected to send back a
 * reply message of type &QLINK_MSG_TYPE_CMDRSP, containing at least command
 * execution status (one of &enum qlink_cmd_result). Reply message
 * may also contain data payload specific to the command type.
 *
 * @QLINK_CMD_SEND_FRAME: send specified frame over the air; firmware will
 *	encapsulate 802.3 packet into 802.11 frame automatically.
 * @QLINK_CMD_BAND_INFO_GET: for the specified MAC and specified band, get
 *	the band's description including number of operational channels and
 *	info on each channel, HT/VHT capabilities, supported rates etc.
 *	This command is generic to a specified MAC, interface index must be set
 *	to QLINK_VIFID_RSVD in command header.
 * @QLINK_CMD_REG_NOTIFY: notify device about regulatory domain change. This
 *	command is supported only if device reports QLINK_HW_SUPPORTS_REG_UPDATE
 *	capability.
 * @QLINK_CMD_START_CAC: start radar detection procedure on a specified channel.
 * @QLINK_CMD_TXPWR: get or set current channel transmit power for
 *	the specified MAC.
 * @QLINK_CMD_NDEV_EVENT: signalizes changes made with a corresponding network
 *	device.
 */
enum qlink_cmd_type {
	QLINK_CMD_FW_INIT		= 0x0001,
	QLINK_CMD_FW_DEINIT		= 0x0002,
	QLINK_CMD_REGISTER_MGMT		= 0x0003,
	QLINK_CMD_SEND_FRAME		= 0x0004,
	QLINK_CMD_MGMT_SET_APPIE	= 0x0005,
	QLINK_CMD_PHY_PARAMS_SET	= 0x0012,
	QLINK_CMD_GET_HW_INFO		= 0x0013,
	QLINK_CMD_MAC_INFO		= 0x0014,
	QLINK_CMD_ADD_INTF		= 0x0015,
	QLINK_CMD_DEL_INTF		= 0x0016,
	QLINK_CMD_CHANGE_INTF		= 0x0017,
	QLINK_CMD_UPDOWN_INTF		= 0x0018,
	QLINK_CMD_REG_NOTIFY		= 0x0019,
	QLINK_CMD_BAND_INFO_GET		= 0x001A,
	QLINK_CMD_CHAN_SWITCH		= 0x001B,
	QLINK_CMD_CHAN_GET		= 0x001C,
	QLINK_CMD_START_CAC		= 0x001D,
	QLINK_CMD_START_AP		= 0x0021,
	QLINK_CMD_STOP_AP		= 0x0022,
	QLINK_CMD_SET_MAC_ACL		= 0x0023,
	QLINK_CMD_GET_STA_INFO		= 0x0030,
	QLINK_CMD_ADD_KEY		= 0x0040,
	QLINK_CMD_DEL_KEY		= 0x0041,
	QLINK_CMD_SET_DEFAULT_KEY	= 0x0042,
	QLINK_CMD_SET_DEFAULT_MGMT_KEY	= 0x0043,
	QLINK_CMD_CHANGE_STA		= 0x0051,
	QLINK_CMD_DEL_STA		= 0x0052,
	QLINK_CMD_SCAN			= 0x0053,
	QLINK_CMD_CHAN_STATS		= 0x0054,
	QLINK_CMD_NDEV_EVENT		= 0x0055,
	QLINK_CMD_CONNECT		= 0x0060,
	QLINK_CMD_DISCONNECT		= 0x0061,
	QLINK_CMD_PM_SET		= 0x0062,
	QLINK_CMD_WOWLAN_SET		= 0x0063,
	QLINK_CMD_EXTERNAL_AUTH		= 0x0066,
	QLINK_CMD_TXPWR			= 0x0067,
	QLINK_CMD_UPDATE_OWE		= 0x0068,
};

/**
 * struct qlink_cmd - QLINK command message header
 *
 * Header used for QLINK messages of QLINK_MSG_TYPE_CMD type.
 *
 * @mhdr: Common QLINK message header.
 * @cmd_id: command id, one of &enum qlink_cmd_type.
 * @seq_num: sequence number of command message, used for matching with
 *	response message.
 * @macid: index of physical radio device the command is destined to or
 *	QLINK_MACID_RSVD if not applicable.
 * @vifid: index of virtual wireless interface on specified @macid the command
 *	is destined to or QLINK_VIFID_RSVD if not applicable.
 */
struct qlink_cmd {
	struct qlink_msg_header mhdr;
	__le16 cmd_id;
	__le16 seq_num;
	u8 macid;
	u8 vifid;
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_cmd_init_fw - data for QLINK_CMD_FW_INIT
 *
 * Initialize firmware based on specified host configuration. This is the first
 * command sent to wifi card and it's fixed part should never be changed, any
 * additions must be done by appending TLVs.
 * If wifi card can not operate with a specified parameters it will return
 * error.
 *
 * @qlink_proto_ver: QLINK protocol version used by host driver.
 */
struct qlink_cmd_init_fw {
	struct qlink_cmd chdr;
	__le32 qlink_proto_ver;
	u8 var_info[];
} __packed;

/**
 * struct qlink_cmd_manage_intf - interface management command
 *
 * Data for interface management commands QLINK_CMD_ADD_INTF, QLINK_CMD_DEL_INTF
 * and QLINK_CMD_CHANGE_INTF.
 *
 * @intf_info: interface description.
 */
struct qlink_cmd_manage_intf {
	struct qlink_cmd chdr;
	struct qlink_intf_info intf_info;
} __packed;

enum qlink_mgmt_frame_type {
	QLINK_MGMT_FRAME_ASSOC_REQ	= 0x00,
	QLINK_MGMT_FRAME_ASSOC_RESP	= 0x01,
	QLINK_MGMT_FRAME_REASSOC_REQ	= 0x02,
	QLINK_MGMT_FRAME_REASSOC_RESP	= 0x03,
	QLINK_MGMT_FRAME_PROBE_REQ	= 0x04,
	QLINK_MGMT_FRAME_PROBE_RESP	= 0x05,
	QLINK_MGMT_FRAME_BEACON		= 0x06,
	QLINK_MGMT_FRAME_ATIM		= 0x07,
	QLINK_MGMT_FRAME_DISASSOC	= 0x08,
	QLINK_MGMT_FRAME_AUTH		= 0x09,
	QLINK_MGMT_FRAME_DEAUTH		= 0x0A,
	QLINK_MGMT_FRAME_ACTION		= 0x0B,

	QLINK_MGMT_FRAME_TYPE_COUNT
};

/**
 * struct qlink_cmd_mgmt_frame_register - data for QLINK_CMD_REGISTER_MGMT
 *
 * @frame_type: MGMT frame type the registration request describes, one of
 *	&enum qlink_mgmt_frame_type.
 * @do_register: 0 - unregister, otherwise register for reception of specified
 *	MGMT frame type.
 */
struct qlink_cmd_mgmt_frame_register {
	struct qlink_cmd chdr;
	__le16 frame_type;
	u8 do_register;
	u8 rsvd[1];
} __packed;

/**
 * @QLINK_FRAME_TX_FLAG_8023: frame has a 802.3 header; if not set, frame
 *	is a 802.11 encapsulated.
 */
enum qlink_frame_tx_flags {
	QLINK_FRAME_TX_FLAG_OFFCHAN	= BIT(0),
	QLINK_FRAME_TX_FLAG_NO_CCK	= BIT(1),
	QLINK_FRAME_TX_FLAG_ACK_NOWAIT	= BIT(2),
	QLINK_FRAME_TX_FLAG_8023	= BIT(3),
};

/**
 * struct qlink_cmd_frame_tx - data for QLINK_CMD_SEND_FRAME command
 *
 * @cookie: opaque request identifier.
 * @freq: Frequency to use for frame transmission.
 * @flags: Transmission flags, one of &enum qlink_frame_tx_flags.
 * @frame_data: frame to transmit.
 */
struct qlink_cmd_frame_tx {
	struct qlink_cmd chdr;
	__le32 cookie;
	__le16 freq;
	__le16 flags;
	u8 frame_data[];
} __packed;

/**
 * struct qlink_cmd_get_sta_info - data for QLINK_CMD_GET_STA_INFO command
 *
 * @sta_addr: MAC address of the STA statistics is requested for.
 */
struct qlink_cmd_get_sta_info {
	struct qlink_cmd chdr;
	u8 sta_addr[ETH_ALEN];
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_cmd_add_key - data for QLINK_CMD_ADD_KEY command.
 *
 * @key_index: index of the key being installed.
 * @pairwise: whether to use pairwise key.
 * @addr: MAC address of a STA key is being installed to.
 * @cipher: cipher suite.
 * @vlanid: VLAN ID for AP_VLAN interface type
 * @key_data: key data itself.
 */
struct qlink_cmd_add_key {
	struct qlink_cmd chdr;
	u8 key_index;
	u8 pairwise;
	u8 addr[ETH_ALEN];
	__le32 cipher;
	__le16 vlanid;
	u8 rsvd[2];
	u8 key_data[];
} __packed;

/**
 * struct qlink_cmd_del_key_req - data for QLINK_CMD_DEL_KEY command
 *
 * @key_index: index of the key being removed.
 * @pairwise: whether to use pairwise key.
 * @addr: MAC address of a STA for which a key is removed.
 */
struct qlink_cmd_del_key {
	struct qlink_cmd chdr;
	u8 key_index;
	u8 pairwise;
	u8 addr[ETH_ALEN];
} __packed;

/**
 * struct qlink_cmd_set_def_key - data for QLINK_CMD_SET_DEFAULT_KEY command
 *
 * @key_index: index of the key to be set as default one.
 * @unicast: key is unicast.
 * @multicast: key is multicast.
 */
struct qlink_cmd_set_def_key {
	struct qlink_cmd chdr;
	u8 key_index;
	u8 unicast;
	u8 multicast;
	u8 rsvd[1];
} __packed;

/**
 * struct qlink_cmd_set_def_mgmt_key - data for QLINK_CMD_SET_DEFAULT_MGMT_KEY
 *
 * @key_index: index of the key to be set as default MGMT key.
 */
struct qlink_cmd_set_def_mgmt_key {
	struct qlink_cmd chdr;
	u8 key_index;
	u8 rsvd[3];
} __packed;

/**
 * struct qlink_cmd_change_sta - data for QLINK_CMD_CHANGE_STA command
 *
 * @flag_update: STA flags to update
 * @if_type: Mode of interface operation, one of &enum qlink_iface_type
 * @vlanid: VLAN ID to assign to specific STA
 * @sta_addr: address of the STA for which parameters are set.
 */
struct qlink_cmd_change_sta {
	struct qlink_cmd chdr;
	struct qlink_sta_info_state flag_update;
	__le16 if_type;
	__le16 vlanid;
	u8 sta_addr[ETH_ALEN];
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_cmd_del_sta - data for QLINK_CMD_DEL_STA command.
 *
 * See &struct station_del_parameters
 */
struct qlink_cmd_del_sta {
	struct qlink_cmd chdr;
	__le16 reason_code;
	u8 sta_addr[ETH_ALEN];
	u8 subtype;
	u8 rsvd[3];
} __packed;

enum qlink_sta_connect_flags {
	QLINK_STA_CONNECT_DISABLE_HT	= BIT(0),
	QLINK_STA_CONNECT_DISABLE_VHT	= BIT(1),
	QLINK_STA_CONNECT_USE_RRM	= BIT(2),
};

/**
 * struct qlink_cmd_connect - data for QLINK_CMD_CONNECT command
 *
 * @bssid: BSSID of the BSS to connect to.
 * @bssid_hint: recommended AP BSSID for initial connection to the BSS or
 *	00:00:00:00:00:00 if not specified.
 * @prev_bssid: previous BSSID, if specified (not 00:00:00:00:00:00) indicates
 *	a request to reassociate.
 * @bg_scan_period: period of background scan.
 * @flags: one of &enum qlink_sta_connect_flags.
 * @ht_capa: HT Capabilities overrides.
 * @ht_capa_mask: The bits of ht_capa which are to be used.
 * @vht_capa: VHT Capability overrides
 * @vht_capa_mask: The bits of vht_capa which are to be used.
 * @aen: authentication information.
 * @mfp: whether to use management frame protection.
 * @payload: variable portion of connection request.
 */
struct qlink_cmd_connect {
	struct qlink_cmd chdr;
	u8 bssid[ETH_ALEN];
	u8 bssid_hint[ETH_ALEN];
	u8 prev_bssid[ETH_ALEN];
	__le16 bg_scan_period;
	__le32 flags;
	struct ieee80211_ht_cap ht_capa;
	struct ieee80211_ht_cap ht_capa_mask;
	struct ieee80211_vht_cap vht_capa;
	struct ieee80211_vht_cap vht_capa_mask;
	struct qlink_auth_encr aen;
	u8 mfp;
	u8 pbss;
	u8 rsvd[2];
	u8 payload[];
} __packed;

/**
 * struct qlink_cmd_external_auth - data for QLINK_CMD_EXTERNAL_AUTH command
 *
 * @bssid: BSSID of the BSS to connect to
 * @status: authentication status code
 * @payload: variable portion of connection request.
 */
struct qlink_cmd_external_auth {
	struct qlink_cmd chdr;
	u8 peer[ETH_ALEN];
	__le16 status;
	u8 payload[];
} __packed;

/**
 * struct qlink_cmd_disconnect - data for QLINK_CMD_DISCONNECT command
 *
 * @reason: code of the reason of disconnect, see &enum ieee80211_reasoncode.
 */
struct qlink_cmd_disconnect {
	struct qlink_cmd chdr;
	__le16 reason;
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_cmd_updown - data for QLINK_CMD_UPDOWN_INTF command
 *
 * @if_up: bring specified interface DOWN (if_up==0) or UP (otherwise).
 *	Interface is specified in common command header @chdr.
 */
struct qlink_cmd_updown {
	struct qlink_cmd chdr;
	u8 if_up;
	u8 rsvd[3];
} __packed;

/**
 * enum qlink_band - a list of frequency bands
 *
 * @QLINK_BAND_2GHZ: 2.4GHz band
 * @QLINK_BAND_5GHZ: 5GHz band
 * @QLINK_BAND_60GHZ: 60GHz band
 */
enum qlink_band {
	QLINK_BAND_2GHZ = BIT(0),
	QLINK_BAND_5GHZ = BIT(1),
	QLINK_BAND_60GHZ = BIT(2),
};

/**
 * struct qlink_cmd_band_info_get - data for QLINK_CMD_BAND_INFO_GET command
 *
 * @band: a PHY band for which information is queried, one of @enum qlink_band
 */
struct qlink_cmd_band_info_get {
	struct qlink_cmd chdr;
	u8 band;
	u8 rsvd[3];
} __packed;

/**
 * struct qlink_cmd_get_chan_stats - data for QLINK_CMD_CHAN_STATS command
 *
 * @channel_freq: channel center frequency
 */
struct qlink_cmd_get_chan_stats {
	struct qlink_cmd chdr;
	__le32 channel_freq;
} __packed;

/**
 * enum qlink_reg_initiator - Indicates the initiator of a reg domain request
 *
 * See &enum nl80211_reg_initiator for more info.
 */
enum qlink_reg_initiator {
	QLINK_REGDOM_SET_BY_CORE,
	QLINK_REGDOM_SET_BY_USER,
	QLINK_REGDOM_SET_BY_DRIVER,
	QLINK_REGDOM_SET_BY_COUNTRY_IE,
};

/**
 * enum qlink_user_reg_hint_type - type of user regulatory hint
 *
 * See &enum nl80211_user_reg_hint_type for more info.
 */
enum qlink_user_reg_hint_type {
	QLINK_USER_REG_HINT_USER	= 0,
	QLINK_USER_REG_HINT_CELL_BASE	= 1,
	QLINK_USER_REG_HINT_INDOOR	= 2,
};

/**
 * struct qlink_cmd_reg_notify - data for QLINK_CMD_REG_NOTIFY command
 *
 * @alpha2: the ISO / IEC 3166 alpha2 country code.
 * @initiator: which entity sent the request, one of &enum qlink_reg_initiator.
 * @user_reg_hint_type: type of hint for QLINK_REGDOM_SET_BY_USER request, one
 *	of &enum qlink_user_reg_hint_type.
 * @num_channels: number of &struct qlink_tlv_channel in a variable portion of a
 *	payload.
 * @dfs_region: one of &enum qlink_dfs_regions.
 * @slave_radar: whether slave device should enable radar detection.
 * @dfs_offload: enable or disable DFS offload to firmware.
 * @info: variable portion of regulatory notifier callback.
 */
struct qlink_cmd_reg_notify {
	struct qlink_cmd chdr;
	u8 alpha2[2];
	u8 initiator;
	u8 user_reg_hint_type;
	u8 num_channels;
	u8 dfs_region;
	u8 slave_radar;
	u8 dfs_offload;
	u8 info[];
} __packed;

/**
 * enum qlink_chan_sw_flags - channel switch control flags
 *
 * @QLINK_CHAN_SW_RADAR_REQUIRED: whether radar detection is required on a new
 *	channel.
 * @QLINK_CHAN_SW_BLOCK_TX: whether transmissions should be blocked while
 *	changing a channel.
 */
enum qlink_chan_sw_flags {
	QLINK_CHAN_SW_RADAR_REQUIRED = BIT(0),
	QLINK_CHAN_SW_BLOCK_TX = BIT(1),
};

/**
 * struct qlink_cmd_chan_switch - data for QLINK_CMD_CHAN_SWITCH command
 *
 * @channel: channel to switch to.
 * @flags: flags to control channel switch, bitmap of &enum qlink_chan_sw_flags.
 * @beacon_count: number of beacons until switch
 */
struct qlink_cmd_chan_switch {
	struct qlink_cmd chdr;
	struct qlink_chandef channel;
	__le64 flags;
	__le32 n_counter_offsets_beacon;
	__le32 n_counter_offsets_presp;
	u8 beacon_count;
	u8 rsvd[3];
} __packed;

/**
 * enum qlink_hidden_ssid - values for %NL80211_ATTR_HIDDEN_SSID
 *
 * Refer to &enum nl80211_hidden_ssid
 */
enum qlink_hidden_ssid {
	QLINK_HIDDEN_SSID_NOT_IN_USE,
	QLINK_HIDDEN_SSID_ZERO_LEN,
	QLINK_HIDDEN_SSID_ZERO_CONTENTS
};

/**
 * struct qlink_cmd_start_ap - data for QLINK_CMD_START_AP command
 *
 * @beacon_interval: beacon interval
 * @inactivity_timeout: station's inactivity period in seconds
 * @dtim_period: DTIM period
 * @hidden_ssid: whether to hide the SSID, one of &enum qlink_hidden_ssid
 * @smps_mode: SMPS mode
 * @ht_required: stations must support HT
 * @vht_required: stations must support VHT
 * @aen: encryption info
 * @sr_params: spatial reuse parameters
 * @twt_responder: enable Target Wake Time
 * @info: variable configurations
 */
struct qlink_cmd_start_ap {
	struct qlink_cmd chdr;
	__le16 beacon_interval;
	__le16 inactivity_timeout;
	u8 dtim_period;
	u8 hidden_ssid;
	u8 smps_mode;
	u8 p2p_ctwindow;
	u8 p2p_opp_ps;
	u8 pbss;
	u8 ht_required;
	u8 vht_required;
	struct qlink_auth_encr aen;
	struct qlink_sr_params sr_params;
	u8 twt_responder;
	u8 rsvd[3];
	u8 info[];
} __packed;

/**
 * struct qlink_cmd_start_cac - data for QLINK_CMD_START_CAC command
 *
 * @chan: a channel to start a radar detection procedure on.
 * @cac_time_ms: CAC time.
 */
struct qlink_cmd_start_cac {
	struct qlink_cmd chdr;
	struct qlink_chandef chan;
	__le32 cac_time_ms;
} __packed;

enum qlink_acl_policy {
	QLINK_ACL_POLICY_ACCEPT_UNLESS_LISTED,
	QLINK_ACL_POLICY_DENY_UNLESS_LISTED,
};

struct qlink_mac_address {
	u8 addr[ETH_ALEN];
} __packed;

/**
 * struct qlink_acl_data - ACL data
 *
 * @policy: filter policy, one of &enum qlink_acl_policy.
 * @num_entries: number of MAC addresses in array.
 * @mac_address: MAC addresses array.
 */
struct qlink_acl_data {
	__le32 policy;
	__le32 num_entries;
	struct qlink_mac_address mac_addrs[];
} __packed;

/**
 * enum qlink_pm_mode - Power Management mode
 *
 * @QLINK_PM_OFF: normal mode, no power saving enabled
 * @QLINK_PM_AUTO_STANDBY: enable auto power save mode
 */
enum qlink_pm_mode {
	QLINK_PM_OFF		= 0,
	QLINK_PM_AUTO_STANDBY	= 1,
};

/**
 * struct qlink_cmd_pm_set - data for QLINK_CMD_PM_SET command
 *
 * @pm_standby timer: period of network inactivity in seconds before
 *	putting a radio in power save mode
 * @pm_mode: power management mode
 */
struct qlink_cmd_pm_set {
	struct qlink_cmd chdr;
	__le32 pm_standby_timer;
	u8 pm_mode;
	u8 rsvd[3];
} __packed;

/**
 * enum qlink_txpwr_op - transmit power operation type
 * @QLINK_TXPWR_SET: set tx power
 * @QLINK_TXPWR_GET: get current tx power setting
 */
enum qlink_txpwr_op {
	QLINK_TXPWR_SET,
	QLINK_TXPWR_GET
};

/**
 * struct qlink_cmd_txpwr - get or set current transmit power
 *
 * @txpwr: new transmit power setting, in mBm
 * @txpwr_setting: transmit power setting type, one of
 *	&enum nl80211_tx_power_setting
 * @op_type: type of operation, one of &enum qlink_txpwr_op
 */
struct qlink_cmd_txpwr {
	struct qlink_cmd chdr;
	__le32 txpwr;
	u8 txpwr_setting;
	u8 op_type;
	u8 rsvd[2];
} __packed;

/**
 * enum qlink_wowlan_trigger
 *
 * @QLINK_WOWLAN_TRIG_DISCONNECT: wakeup on disconnect
 * @QLINK_WOWLAN_TRIG_MAGIC_PKT: wakeup on magic packet
 * @QLINK_WOWLAN_TRIG_PATTERN_PKT: wakeup on user-defined packet
 */
enum qlink_wowlan_trigger {
	QLINK_WOWLAN_TRIG_DISCONNECT	= BIT(0),
	QLINK_WOWLAN_TRIG_MAGIC_PKT	= BIT(1),
	QLINK_WOWLAN_TRIG_PATTERN_PKT	= BIT(2),
};

/**
 * struct qlink_cmd_wowlan_set - data for QLINK_CMD_WOWLAN_SET command
 *
 * @triggers: requested bitmask of WoWLAN triggers
 */
struct qlink_cmd_wowlan_set {
	struct qlink_cmd chdr;
	__le32 triggers;
	u8 data[];
} __packed;

enum qlink_ndev_event_type {
	QLINK_NDEV_EVENT_CHANGEUPPER,
};

/**
 * struct qlink_cmd_ndev_event - data for QLINK_CMD_NDEV_EVENT command
 *
 * @event: type of event, one of &enum qlink_ndev_event_type
 */
struct qlink_cmd_ndev_event {
	struct qlink_cmd chdr;
	__le16 event;
	u8 rsvd[2];
} __packed;

enum qlink_ndev_upper_type {
	QLINK_NDEV_UPPER_TYPE_NONE,
	QLINK_NDEV_UPPER_TYPE_BRIDGE,
};

/**
 * struct qlink_cmd_ndev_changeupper - data for QLINK_NDEV_EVENT_CHANGEUPPER
 *
 * @br_domain: layer 2 broadcast domain ID that ndev is a member of
 * @upper_type: type of upper device, one of &enum qlink_ndev_upper_type
 */
struct qlink_cmd_ndev_changeupper {
	struct qlink_cmd_ndev_event nehdr;
	__le64 flags;
	__le32 br_domain;
	__le32 netspace_id;
	__le16 vlanid;
	u8 upper_type;
	u8 rsvd[1];
} __packed;

/**
 * enum qlink_scan_flags -  scan request control flags
 *
 * Scan flags are used to control QLINK_CMD_SCAN behavior.
 *
 * @QLINK_SCAN_FLAG_FLUSH: flush cache before scanning.
 */
enum qlink_scan_flags {
	QLINK_SCAN_FLAG_FLUSH = BIT(0),
	QLINK_SCAN_FLAG_DURATION_MANDATORY = BIT(1),
};

/**
 * struct qlink_cmd_scan - data for QLINK_CMD_SCAN command
 *
 * @flags: scan flags, a bitmap of &enum qlink_scan_flags.
 * @n_ssids: number of WLAN_EID_SSID TLVs expected in variable portion of the
 *	command.
 * @n_channels: number of QTN_TLV_ID_CHANNEL TLVs expected in variable payload.
 * @active_dwell: time spent on a single channel for an active scan.
 * @passive_dwell: time spent on a single channel for a passive scan.
 * @sample_duration: total duration of sampling a single channel during a scan
 *	including off-channel dwell time and operating channel time.
 * @bssid: specific BSSID to scan for or a broadcast BSSID.
 * @scan_width: channel width to use, one of &enum qlink_channel_width.
 */
struct qlink_cmd_scan {
	struct qlink_cmd chdr;
	__le64 flags;
	__le16 n_ssids;
	__le16 n_channels;
	__le16 active_dwell;
	__le16 passive_dwell;
	__le16 sample_duration;
	u8 bssid[ETH_ALEN];
	u8 scan_width;
	u8 rsvd[3];
	u8 var_info[];
} __packed;

/**
 * struct qlink_cmd_update_owe - data for QLINK_CMD_UPDATE_OWE_INFO command
 *
 * @peer: MAC of the peer device for which OWE processing has been completed
 * @status: OWE external processing status code
 * @ies: IEs for the peer constructed by the user space
 */
struct qlink_cmd_update_owe {
	struct qlink_cmd chdr;
	u8 peer[ETH_ALEN];
	__le16 status;
	u8 ies[];
} __packed;

/* QLINK Command Responses messages related definitions
 */

enum qlink_cmd_result {
	QLINK_CMD_RESULT_OK = 0,
	QLINK_CMD_RESULT_INVALID,
	QLINK_CMD_RESULT_ENOTSUPP,
	QLINK_CMD_RESULT_ENOTFOUND,
	QLINK_CMD_RESULT_EALREADY,
	QLINK_CMD_RESULT_EADDRINUSE,
	QLINK_CMD_RESULT_EADDRNOTAVAIL,
	QLINK_CMD_RESULT_EBUSY,
};

/**
 * struct qlink_resp - QLINK command response message header
 *
 * Header used for QLINK messages of QLINK_MSG_TYPE_CMDRSP type.
 *
 * @mhdr: see &struct qlink_msg_header.
 * @cmd_id: command ID the response corresponds to, one of &enum qlink_cmd_type.
 * @seq_num: sequence number of command message, used for matching with
 *	response message.
 * @result: result of the command execution, one of &enum qlink_cmd_result.
 * @macid: index of physical radio device the response is sent from or
 *	QLINK_MACID_RSVD if not applicable.
 * @vifid: index of virtual wireless interface on specified @macid the response
 *	is sent from or QLINK_VIFID_RSVD if not applicable.
 */
struct qlink_resp {
	struct qlink_msg_header mhdr;
	__le16 cmd_id;
	__le16 seq_num;
	__le16 result;
	u8 macid;
	u8 vifid;
} __packed;

/**
 * struct qlink_resp_init_fw - response for QLINK_CMD_FW_INIT
 *
 * @qlink_proto_ver: QLINK protocol version used by wifi card firmware.
 */
struct qlink_resp_init_fw {
	struct qlink_resp rhdr;
	__le32 qlink_proto_ver;
} __packed;

/**
 * enum qlink_dfs_regions - regulatory DFS regions
 *
 * Corresponds to &enum nl80211_dfs_regions.
 */
enum qlink_dfs_regions {
	QLINK_DFS_UNSET	= 0,
	QLINK_DFS_FCC	= 1,
	QLINK_DFS_ETSI	= 2,
	QLINK_DFS_JP	= 3,
};

/**
 * struct qlink_resp_get_mac_info - response for QLINK_CMD_MAC_INFO command
 *
 * Data describing specific physical device providing wireless MAC
 * functionality.
 *
 * @dev_mac: MAC address of physical WMAC device (used for first BSS on
 *	specified WMAC).
 * @num_tx_chain: Number of transmit chains used by WMAC.
 * @num_rx_chain: Number of receive chains used by WMAC.
 * @vht_cap_mod_mask: mask specifying which VHT capabilities can be altered.
 * @ht_cap_mod_mask: mask specifying which HT capabilities can be altered.
 * @max_scan_ssids: maximum number of SSIDs the device can scan for in any scan.
 * @bands_cap: wireless bands WMAC can operate in, bitmap of &enum qlink_band.
 * @max_ap_assoc_sta: Maximum number of associations supported by WMAC.
 * @radar_detect_widths: bitmask of channels BW for which WMAC can detect radar.
 * @alpha2: country code ID firmware is configured to.
 * @n_reg_rules: number of regulatory rules TLVs in variable portion of the
 *	message.
 * @dfs_region: regulatory DFS region, one of &enum qlink_dfs_regions.
 * @var_info: variable-length WMAC info data.
 */
struct qlink_resp_get_mac_info {
	struct qlink_resp rhdr;
	u8 dev_mac[ETH_ALEN];
	u8 num_tx_chain;
	u8 num_rx_chain;
	struct ieee80211_vht_cap vht_cap_mod_mask;
	struct ieee80211_ht_cap ht_cap_mod_mask;

	__le16 max_ap_assoc_sta;
	__le32 hw_version;
	__le32 probe_resp_offload;
	__le32 bss_select_support;
	__le16 n_addresses;
	__le16 radar_detect_widths;
	__le16 max_remain_on_channel_duration;
	__le16 max_acl_mac_addrs;

	__le32 frag_threshold;
	__le32 rts_threshold;
	u8 retry_short;
	u8 retry_long;
	u8 coverage_class;

	u8 max_scan_ssids;
	u8 max_sched_scan_reqs;
	u8 max_sched_scan_ssids;
	u8 max_match_sets;
	u8 max_adj_channel_rssi_comp;

	__le16 max_scan_ie_len;
	__le16 max_sched_scan_ie_len;
	__le32 max_sched_scan_plans;
	__le32 max_sched_scan_plan_interval;
	__le32 max_sched_scan_plan_iterations;

	u8 n_cipher_suites;
	u8 n_akm_suites;
	u8 max_num_pmkids;
	u8 num_iftype_ext_capab;
	u8 extended_capabilities_len;
	u8 max_data_retry_count;
	u8 n_iface_combinations;
	u8 max_num_csa_counters;

	u8 bands_cap;
	u8 alpha2[2];
	u8 n_reg_rules;
	u8 dfs_region;
	u8 rsvd[3];
	u8 var_info[];
} __packed;

/**
 * struct qlink_resp_get_hw_info - response for QLINK_CMD_GET_HW_INFO command
 *
 * Description of wireless hardware capabilities and features.
 *
 * @fw_ver: wireless hardware firmware version.
 * @num_mac: Number of separate physical radio devices provided by hardware.
 * @mac_bitmap: Bitmap of MAC IDs that are active and can be used in firmware.
 * @total_tx_chains: total number of transmit chains used by device.
 * @total_rx_chains: total number of receive chains.
 * @info: variable-length HW info.
 */
struct qlink_resp_get_hw_info {
	struct qlink_resp rhdr;
	__le32 fw_ver;
	__le32 bld_tmstamp;
	__le32 plat_id;
	__le32 hw_ver;
	u8 num_mac;
	u8 mac_bitmap;
	u8 total_tx_chain;
	u8 total_rx_chain;
	u8 info[];
} __packed;

/**
 * struct qlink_resp_manage_intf - response for interface management commands
 *
 * Response data for QLINK_CMD_ADD_INTF and QLINK_CMD_CHANGE_INTF commands.
 *
 * @rhdr: Common Command Response message header.
 * @intf_info: interface description.
 */
struct qlink_resp_manage_intf {
	struct qlink_resp rhdr;
	struct qlink_intf_info intf_info;
} __packed;

enum qlink_sta_info_rate_flags {
	QLINK_STA_INFO_RATE_FLAG_HT_MCS		= BIT(0),
	QLINK_STA_INFO_RATE_FLAG_VHT_MCS	= BIT(1),
	QLINK_STA_INFO_RATE_FLAG_SHORT_GI	= BIT(2),
	QLINK_STA_INFO_RATE_FLAG_60G		= BIT(3),
	QLINK_STA_INFO_RATE_FLAG_HE_MCS		= BIT(4),
};

/**
 * struct qlink_resp_get_sta_info - response for QLINK_CMD_GET_STA_INFO command
 *
 * Response data containing statistics for specified STA.
 *
 * @sta_addr: MAC address of STA the response carries statistic for.
 * @info: variable statistics for specified STA.
 */
struct qlink_resp_get_sta_info {
	struct qlink_resp rhdr;
	u8 sta_addr[ETH_ALEN];
	u8 rsvd[2];
	u8 info[];
} __packed;

/**
 * struct qlink_resp_band_info_get - response for QLINK_CMD_BAND_INFO_GET cmd
 *
 * @band: frequency band that the response describes, one of @enum qlink_band.
 * @num_chans: total number of channels info TLVs contained in reply.
 * @num_bitrates: total number of bitrate TLVs contained in reply.
 * @info: variable-length info portion.
 */
struct qlink_resp_band_info_get {
	struct qlink_resp rhdr;
	u8 band;
	u8 num_chans;
	u8 num_bitrates;
	u8 rsvd[1];
	u8 info[];
} __packed;

/**
 * struct qlink_resp_get_chan_stats - response for QLINK_CMD_CHAN_STATS cmd
 *
 * @chan_freq: center frequency for a channel the report is sent for.
 * @info: variable-length channel info.
 */
struct qlink_resp_get_chan_stats {
	struct qlink_resp rhdr;
	__le32 chan_freq;
	u8 info[];
} __packed;

/**
 * struct qlink_resp_channel_get - response for QLINK_CMD_CHAN_GET command
 *
 * @chan: definition of current operating channel.
 */
struct qlink_resp_channel_get {
	struct qlink_resp rhdr;
	struct qlink_chandef chan;
} __packed;

/**
 * struct qlink_resp_txpwr - response for QLINK_CMD_TXPWR command
 *
 * This response is intended for QLINK_TXPWR_GET operation and does not
 * contain any meaningful information in case of QLINK_TXPWR_SET operation.
 *
 * @txpwr: current transmit power setting, in mBm
 */
struct qlink_resp_txpwr {
	struct qlink_resp rhdr;
	__le32 txpwr;
} __packed;

/* QLINK Events messages related definitions
 */

enum qlink_event_type {
	QLINK_EVENT_STA_ASSOCIATED	= 0x0021,
	QLINK_EVENT_STA_DEAUTH		= 0x0022,
	QLINK_EVENT_MGMT_RECEIVED	= 0x0023,
	QLINK_EVENT_SCAN_RESULTS	= 0x0024,
	QLINK_EVENT_SCAN_COMPLETE	= 0x0025,
	QLINK_EVENT_BSS_JOIN		= 0x0026,
	QLINK_EVENT_BSS_LEAVE		= 0x0027,
	QLINK_EVENT_FREQ_CHANGE		= 0x0028,
	QLINK_EVENT_RADAR		= 0x0029,
	QLINK_EVENT_EXTERNAL_AUTH	= 0x0030,
	QLINK_EVENT_MIC_FAILURE		= 0x0031,
	QLINK_EVENT_UPDATE_OWE		= 0x0032,
};

/**
 * struct qlink_event - QLINK event message header
 *
 * Header used for QLINK messages of QLINK_MSG_TYPE_EVENT type.
 *
 * @mhdr: Common QLINK message header.
 * @event_id: Specifies specific event ID, one of &enum qlink_event_type.
 * @macid: index of physical radio device the event was generated on or
 *	QLINK_MACID_RSVD if not applicable.
 * @vifid: index of virtual wireless interface on specified @macid the event
 *	was generated on or QLINK_VIFID_RSVD if not applicable.
 */
struct qlink_event {
	struct qlink_msg_header mhdr;
	__le16 event_id;
	u8 macid;
	u8 vifid;
} __packed;

/**
 * struct qlink_event_sta_assoc - data for QLINK_EVENT_STA_ASSOCIATED event
 *
 * @sta_addr: Address of a STA for which new association event was generated
 * @frame_control: control bits from 802.11 ASSOC_REQUEST header.
 * @payload: IEs from association request.
 */
struct qlink_event_sta_assoc {
	struct qlink_event ehdr;
	u8 sta_addr[ETH_ALEN];
	__le16 frame_control;
	u8 ies[];
} __packed;

/**
 * struct qlink_event_sta_deauth - data for QLINK_EVENT_STA_DEAUTH event
 *
 * @sta_addr: Address of a deauthenticated STA.
 * @reason: reason for deauthentication.
 */
struct qlink_event_sta_deauth {
	struct qlink_event ehdr;
	u8 sta_addr[ETH_ALEN];
	__le16 reason;
} __packed;

/**
 * struct qlink_event_bss_join - data for QLINK_EVENT_BSS_JOIN event
 *
 * @chan: new operating channel definition
 * @bssid: BSSID of a BSS which interface tried to joined.
 * @status: status of joining attempt, see &enum ieee80211_statuscode.
 */
struct qlink_event_bss_join {
	struct qlink_event ehdr;
	struct qlink_chandef chan;
	u8 bssid[ETH_ALEN];
	__le16 status;
	u8 ies[];
} __packed;

/**
 * struct qlink_event_bss_leave - data for QLINK_EVENT_BSS_LEAVE event
 *
 * @reason: reason of disconnecting from BSS.
 */
struct qlink_event_bss_leave {
	struct qlink_event ehdr;
	__le16 reason;
	u8 rsvd[2];
} __packed;

/**
 * struct qlink_event_freq_change - data for QLINK_EVENT_FREQ_CHANGE event
 *
 * @chan: new operating channel definition
 */
struct qlink_event_freq_change {
	struct qlink_event ehdr;
	struct qlink_chandef chan;
} __packed;

enum qlink_rxmgmt_flags {
	QLINK_RXMGMT_FLAG_ANSWERED = 1 << 0,
};

/**
 * struct qlink_event_rxmgmt - data for QLINK_EVENT_MGMT_RECEIVED event
 *
 * @freq: Frequency on which the frame was received in MHz.
 * @flags: bitmap of &enum qlink_rxmgmt_flags.
 * @sig_dbm: signal strength in dBm.
 * @frame_data: data of Rx'd frame itself.
 */
struct qlink_event_rxmgmt {
	struct qlink_event ehdr;
	__le32 freq;
	__le32 flags;
	s8 sig_dbm;
	u8 rsvd[3];
	u8 frame_data[];
} __packed;

/**
 * struct qlink_event_scan_result - data for QLINK_EVENT_SCAN_RESULTS event
 *
 * @tsf: TSF timestamp indicating when scan results were generated.
 * @freq: Center frequency of the channel where BSS for which the scan result
 *	event was generated was discovered.
 * @capab: capabilities field.
 * @bintval: beacon interval announced by discovered BSS.
 * @sig_dbm: signal strength in dBm.
 * @bssid: BSSID announced by discovered BSS.
 * @ssid_len: length of SSID announced by BSS.
 * @ssid: SSID announced by discovered BSS.
 * @payload: IEs that are announced by discovered BSS in its MGMt frames.
 */
struct qlink_event_scan_result {
	struct qlink_event ehdr;
	__le64 tsf;
	__le16 freq;
	__le16 capab;
	__le16 bintval;
	s8 sig_dbm;
	u8 ssid_len;
	u8 ssid[IEEE80211_MAX_SSID_LEN];
	u8 bssid[ETH_ALEN];
	u8 rsvd[2];
	u8 payload[];
} __packed;

/**
 * enum qlink_scan_complete_flags - indicates result of scan request.
 *
 * @QLINK_SCAN_NONE: Scan request was processed.
 * @QLINK_SCAN_ABORTED: Scan was aborted.
 */
enum qlink_scan_complete_flags {
	QLINK_SCAN_NONE		= 0,
	QLINK_SCAN_ABORTED	= BIT(0),
};

/**
 * struct qlink_event_scan_complete - data for QLINK_EVENT_SCAN_COMPLETE event
 *
 * @flags: flags indicating the status of pending scan request,
 *	see &enum qlink_scan_complete_flags.
 */
struct qlink_event_scan_complete {
	struct qlink_event ehdr;
	__le32 flags;
} __packed;

enum qlink_radar_event {
	QLINK_RADAR_DETECTED,
	QLINK_RADAR_CAC_FINISHED,
	QLINK_RADAR_CAC_ABORTED,
	QLINK_RADAR_NOP_FINISHED,
	QLINK_RADAR_PRE_CAC_EXPIRED,
	QLINK_RADAR_CAC_STARTED,
};

/**
 * struct qlink_event_radar - data for QLINK_EVENT_RADAR event
 *
 * @chan: channel on which radar event happened.
 * @event: radar event type, one of &enum qlink_radar_event.
 */
struct qlink_event_radar {
	struct qlink_event ehdr;
	struct qlink_chandef chan;
	u8 event;
	u8 rsvd[3];
} __packed;

/**
 * struct qlink_event_external_auth - data for QLINK_EVENT_EXTERNAL_AUTH event
 *
 * @ssid: SSID announced by BSS
 * @ssid_len: SSID length
 * @bssid: BSSID of the BSS to connect to
 * @akm_suite: AKM suite for external authentication
 * @action: action type/trigger for external authentication
 */
struct qlink_event_external_auth {
	struct qlink_event ehdr;
	__le32 akm_suite;
	u8 ssid[IEEE80211_MAX_SSID_LEN];
	u8 bssid[ETH_ALEN];
	u8 ssid_len;
	u8 action;
} __packed;

/**
 * struct qlink_event_mic_failure - data for QLINK_EVENT_MIC_FAILURE event
 *
 * @src: source MAC address of the frame
 * @key_index: index of the key being reported
 * @pairwise: whether the key is pairwise or group
 */
struct qlink_event_mic_failure {
	struct qlink_event ehdr;
	u8 src[ETH_ALEN];
	u8 key_index;
	u8 pairwise;
} __packed;

/**
 * struct qlink_event_update_owe - data for QLINK_EVENT_UPDATE_OWE event
 *
 * @peer: MAC addr of the peer device for which OWE processing needs to be done
 * @ies: IEs from the peer
 */
struct qlink_event_update_owe {
	struct qlink_event ehdr;
	u8 peer[ETH_ALEN];
	u8 rsvd[2];
	u8 ies[];
} __packed;

/* QLINK TLVs (Type-Length Values) definitions
 */

/**
 * enum qlink_tlv_id - list of TLVs that Qlink messages can carry
 *
 * @QTN_TLV_ID_BITMAP: a data representing a bitmap that is used together with
 *	other TLVs:
 *	&enum qlink_sta_info used to indicate which statistic carried in
 *	QTN_TLV_ID_STA_STATS is valid.
 *	&enum qlink_hw_capab listing wireless card capabilities.
 *	&enum qlink_driver_capab listing driver/host system capabilities.
 *	&enum qlink_chan_stat used to indicate which statistic carried in
 *	QTN_TLV_ID_CHANNEL_STATS is valid.
 * @QTN_TLV_ID_STA_STATS: per-STA statistics as defined by
 *	&struct qlink_sta_stats. Valid values are marked as such in a bitmap
 *	carried by QTN_TLV_ID_BITMAP.
 * @QTN_TLV_ID_IFTYPE_DATA: supported band data.
 */
enum qlink_tlv_id {
	QTN_TLV_ID_FRAG_THRESH		= 0x0201,
	QTN_TLV_ID_RTS_THRESH		= 0x0202,
	QTN_TLV_ID_SRETRY_LIMIT		= 0x0203,
	QTN_TLV_ID_LRETRY_LIMIT		= 0x0204,
	QTN_TLV_ID_REG_RULE		= 0x0207,
	QTN_TLV_ID_CHANNEL		= 0x020F,
	QTN_TLV_ID_CHANDEF		= 0x0210,
	QTN_TLV_ID_BITMAP		= 0x0211,
	QTN_TLV_ID_STA_STATS		= 0x0212,
	QTN_TLV_ID_COVERAGE_CLASS	= 0x0213,
	QTN_TLV_ID_IFACE_LIMIT		= 0x0214,
	QTN_TLV_ID_CHANNEL_STATS	= 0x0216,
	QTN_TLV_ID_KEY			= 0x0302,
	QTN_TLV_ID_SEQ			= 0x0303,
	QTN_TLV_ID_IE_SET		= 0x0305,
	QTN_TLV_ID_EXT_CAPABILITY_MASK	= 0x0306,
	QTN_TLV_ID_ACL_DATA		= 0x0307,
	QTN_TLV_ID_BUILD_NAME		= 0x0401,
	QTN_TLV_ID_BUILD_REV		= 0x0402,
	QTN_TLV_ID_BUILD_TYPE		= 0x0403,
	QTN_TLV_ID_BUILD_LABEL		= 0x0404,
	QTN_TLV_ID_HW_ID		= 0x0405,
	QTN_TLV_ID_CALIBRATION_VER	= 0x0406,
	QTN_TLV_ID_UBOOT_VER		= 0x0407,
	QTN_TLV_ID_RANDOM_MAC_ADDR	= 0x0408,
	QTN_TLV_ID_WOWLAN_CAPAB		= 0x0410,
	QTN_TLV_ID_WOWLAN_PATTERN	= 0x0411,
	QTN_TLV_ID_IFTYPE_DATA		= 0x0418,
};

struct qlink_tlv_hdr {
	/* New members MUST be added within the struct_group() macro below. */
	__struct_group(qlink_tlv_hdr_fixed, __hdr, __packed,
		__le16 type;
		__le16 len;
	);
	u8 val[];
} __packed;
static_assert(offsetof(struct qlink_tlv_hdr, val) == sizeof(struct qlink_tlv_hdr_fixed),
	      "struct member likely outside of __struct_group()");

struct qlink_iface_limit {
	__le16 max_num;
	__le16 type;
} __packed;

struct qlink_iface_limit_record {
	__le16 max_interfaces;
	u8 num_different_channels;
	u8 n_limits;
	struct qlink_iface_limit limits[];
} __packed;

#define QLINK_RSSI_OFFSET	120

/**
 * enum qlink_reg_rule_flags - regulatory rule flags
 *
 * See description of &enum nl80211_reg_rule_flags
 */
enum qlink_reg_rule_flags {
	QLINK_RRF_NO_OFDM	= BIT(0),
	QLINK_RRF_NO_CCK	= BIT(1),
	QLINK_RRF_NO_INDOOR	= BIT(2),
	QLINK_RRF_NO_OUTDOOR	= BIT(3),
	QLINK_RRF_DFS		= BIT(4),
	QLINK_RRF_PTP_ONLY	= BIT(5),
	QLINK_RRF_PTMP_ONLY	= BIT(6),
	QLINK_RRF_NO_IR		= BIT(7),
	QLINK_RRF_AUTO_BW	= BIT(8),
	QLINK_RRF_IR_CONCURRENT	= BIT(9),
	QLINK_RRF_NO_HT40MINUS	= BIT(10),
	QLINK_RRF_NO_HT40PLUS	= BIT(11),
	QLINK_RRF_NO_80MHZ	= BIT(12),
	QLINK_RRF_NO_160MHZ	= BIT(13),
};

/**
 * struct qlink_tlv_reg_rule - data for QTN_TLV_ID_REG_RULE TLV
 *
 * Regulatory rule description.
 *
 * @start_freq_khz: start frequency of the range the rule is attributed to.
 * @end_freq_khz: end frequency of the range the rule is attributed to.
 * @max_bandwidth_khz: max bandwidth that channels in specified range can be
 *	configured to.
 * @max_antenna_gain: max antenna gain that can be used in the specified
 *	frequency range, dBi.
 * @max_eirp: maximum EIRP.
 * @flags: regulatory rule flags in &enum qlink_reg_rule_flags.
 * @dfs_cac_ms: DFS CAC period.
 */
struct qlink_tlv_reg_rule {
	struct qlink_tlv_hdr_fixed hdr;
	__le32 start_freq_khz;
	__le32 end_freq_khz;
	__le32 max_bandwidth_khz;
	__le32 max_antenna_gain;
	__le32 max_eirp;
	__le32 flags;
	__le32 dfs_cac_ms;
} __packed;

enum qlink_channel_flags {
	QLINK_CHAN_DISABLED		= BIT(0),
	QLINK_CHAN_NO_IR		= BIT(1),
	QLINK_CHAN_RADAR		= BIT(3),
	QLINK_CHAN_NO_HT40PLUS		= BIT(4),
	QLINK_CHAN_NO_HT40MINUS		= BIT(5),
	QLINK_CHAN_NO_OFDM		= BIT(6),
	QLINK_CHAN_NO_80MHZ		= BIT(7),
	QLINK_CHAN_NO_160MHZ		= BIT(8),
	QLINK_CHAN_INDOOR_ONLY		= BIT(9),
	QLINK_CHAN_IR_CONCURRENT	= BIT(10),
	QLINK_CHAN_NO_20MHZ		= BIT(11),
	QLINK_CHAN_NO_10MHZ		= BIT(12),
};

enum qlink_dfs_state {
	QLINK_DFS_USABLE,
	QLINK_DFS_UNAVAILABLE,
	QLINK_DFS_AVAILABLE,
};

/**
 * struct qlink_tlv_channel - data for QTN_TLV_ID_CHANNEL TLV
 *
 * Channel settings.
 *
 * @channel: ieee80211 channel settings.
 */
struct qlink_tlv_channel {
	struct qlink_tlv_hdr_fixed hdr;
	struct qlink_channel chan;
} __packed;

/**
 * struct qlink_tlv_chandef - data for QTN_TLV_ID_CHANDEF TLV
 *
 * Channel definition.
 *
 * @chan: channel definition data.
 */
struct qlink_tlv_chandef {
	struct qlink_tlv_hdr_fixed hdr;
	struct qlink_chandef chdef;
} __packed;

enum qlink_ie_set_type {
	QLINK_IE_SET_UNKNOWN,
	QLINK_IE_SET_ASSOC_REQ,
	QLINK_IE_SET_ASSOC_RESP,
	QLINK_IE_SET_PROBE_REQ,
	QLINK_IE_SET_SCAN,
	QLINK_IE_SET_BEACON_HEAD,
	QLINK_IE_SET_BEACON_TAIL,
	QLINK_IE_SET_BEACON_IES,
	QLINK_IE_SET_PROBE_RESP,
	QLINK_IE_SET_PROBE_RESP_IES,
};

/**
 * struct qlink_tlv_ie_set - data for QTN_TLV_ID_IE_SET
 *
 * @type: type of MGMT frame IEs belong to, one of &enum qlink_ie_set_type.
 * @flags: for future use.
 * @ie_data: IEs data.
 */
struct qlink_tlv_ie_set {
	struct qlink_tlv_hdr_fixed hdr;
	u8 type;
	u8 flags;
	u8 rsvd[2];
	u8 ie_data[];
} __packed;

/**
 * struct qlink_tlv_ext_ie - extension IE
 *
 * @eid_ext: element ID extension, one of &enum ieee80211_eid_ext.
 * @ie_data: IEs data.
 */
struct qlink_tlv_ext_ie {
	struct qlink_tlv_hdr_fixed hdr;
	u8 eid_ext;
	u8 rsvd[3];
	u8 ie_data[];
} __packed;

#define IEEE80211_HE_PPE_THRES_MAX_LEN		25
struct qlink_sband_iftype_data {
	__le16 types_mask;
	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];
} __packed;

/**
 * struct qlink_tlv_iftype_data - data for QTN_TLV_ID_IFTYPE_DATA
 *
 * @n_iftype_data: number of entries in iftype_data.
 * @iftype_data: interface type data entries.
 */
struct qlink_tlv_iftype_data {
	struct qlink_tlv_hdr_fixed hdr;
	u8 n_iftype_data;
	u8 rsvd[3];
	struct qlink_sband_iftype_data iftype_data[];
} __packed;

/**
 * enum qlink_chan_stat - channel statistics bitmap
 *
 * Used to indicate which statistics values in &struct qlink_chan_stats
 * are valid. Individual values are used to fill a bitmap carried in a
 * payload of QTN_TLV_ID_BITMAP.
 *
 * @QLINK_CHAN_STAT_TIME_ON: time_on value is valid.
 * @QLINK_CHAN_STAT_TIME_TX: time_tx value is valid.
 * @QLINK_CHAN_STAT_TIME_RX: time_rx value is valid.
 * @QLINK_CHAN_STAT_CCA_BUSY: cca_busy value is valid.
 * @QLINK_CHAN_STAT_CCA_BUSY_EXT: cca_busy_ext value is valid.
 * @QLINK_CHAN_STAT_TIME_SCAN: time_scan value is valid.
 * @QLINK_CHAN_STAT_CHAN_NOISE: chan_noise value is valid.
 */
enum qlink_chan_stat {
	QLINK_CHAN_STAT_TIME_ON,
	QLINK_CHAN_STAT_TIME_TX,
	QLINK_CHAN_STAT_TIME_RX,
	QLINK_CHAN_STAT_CCA_BUSY,
	QLINK_CHAN_STAT_CCA_BUSY_EXT,
	QLINK_CHAN_STAT_TIME_SCAN,
	QLINK_CHAN_STAT_CHAN_NOISE,
	QLINK_CHAN_STAT_NUM,
};

/**
 * struct qlink_chan_stats - data for QTN_TLV_ID_CHANNEL_STATS
 *
 * Carries a per-channel statistics. Not all fields may be filled with
 * valid values. Valid fields should be indicated as such using a bitmap of
 * &enum qlink_chan_stat. Bitmap is carried separately in a payload of
 * QTN_TLV_ID_BITMAP.
 *
 * @time_on: amount of time radio operated on that channel.
 * @time_tx: amount of time radio spent transmitting on the channel.
 * @time_rx: amount of time radio spent receiving on the channel.
 * @cca_busy: amount of time the primary channel was busy.
 * @cca_busy_ext: amount of time the secondary channel was busy.
 * @time_scan: amount of radio spent scanning on the channel.
 * @chan_noise: channel noise.
 */
struct qlink_chan_stats {
	__le64 time_on;
	__le64 time_tx;
	__le64 time_rx;
	__le64 cca_busy;
	__le64 cca_busy_ext;
	__le64 time_scan;
	s8 chan_noise;
	u8 rsvd[3];
} __packed;

/**
 * enum qlink_sta_info - station information bitmap
 *
 * Used to indicate which statistics values in &struct qlink_sta_stats
 * are valid. Individual values are used to fill a bitmap carried in a
 * payload of QTN_TLV_ID_BITMAP.
 *
 * @QLINK_STA_INFO_CONNECTED_TIME: connected_time value is valid.
 * @QLINK_STA_INFO_INACTIVE_TIME: inactive_time value is valid.
 * @QLINK_STA_INFO_RX_BYTES: lower 32 bits of rx_bytes value are valid.
 * @QLINK_STA_INFO_TX_BYTES: lower 32 bits of tx_bytes value are valid.
 * @QLINK_STA_INFO_RX_BYTES64: rx_bytes value is valid.
 * @QLINK_STA_INFO_TX_BYTES64: tx_bytes value is valid.
 * @QLINK_STA_INFO_RX_DROP_MISC: rx_dropped_misc value is valid.
 * @QLINK_STA_INFO_BEACON_RX: rx_beacon value is valid.
 * @QLINK_STA_INFO_SIGNAL: signal value is valid.
 * @QLINK_STA_INFO_SIGNAL_AVG: signal_avg value is valid.
 * @QLINK_STA_INFO_RX_BITRATE: rxrate value is valid.
 * @QLINK_STA_INFO_TX_BITRATE: txrate value is valid.
 * @QLINK_STA_INFO_RX_PACKETS: rx_packets value is valid.
 * @QLINK_STA_INFO_TX_PACKETS: tx_packets value is valid.
 * @QLINK_STA_INFO_TX_RETRIES: tx_retries value is valid.
 * @QLINK_STA_INFO_TX_FAILED: tx_failed value is valid.
 * @QLINK_STA_INFO_STA_FLAGS: sta_flags value is valid.
 */
enum qlink_sta_info {
	QLINK_STA_INFO_CONNECTED_TIME,
	QLINK_STA_INFO_INACTIVE_TIME,
	QLINK_STA_INFO_RX_BYTES,
	QLINK_STA_INFO_TX_BYTES,
	QLINK_STA_INFO_RX_BYTES64,
	QLINK_STA_INFO_TX_BYTES64,
	QLINK_STA_INFO_RX_DROP_MISC,
	QLINK_STA_INFO_BEACON_RX,
	QLINK_STA_INFO_SIGNAL,
	QLINK_STA_INFO_SIGNAL_AVG,
	QLINK_STA_INFO_RX_BITRATE,
	QLINK_STA_INFO_TX_BITRATE,
	QLINK_STA_INFO_RX_PACKETS,
	QLINK_STA_INFO_TX_PACKETS,
	QLINK_STA_INFO_TX_RETRIES,
	QLINK_STA_INFO_TX_FAILED,
	QLINK_STA_INFO_STA_FLAGS,
	QLINK_STA_INFO_NUM,
};

/**
 * struct qlink_sta_info_rate - STA rate statistics
 *
 * @rate: data rate in Mbps.
 * @flags: bitmap of &enum qlink_sta_info_rate_flags.
 * @mcs: 802.11-defined MCS index.
 * nss: Number of Spatial Streams.
 * @bw: bandwidth, one of &enum qlink_channel_width.
 */
struct qlink_sta_info_rate {
	__le16 rate;
	u8 flags;
	u8 mcs;
	u8 nss;
	u8 bw;
} __packed;

/**
 * struct qlink_sta_stats - data for QTN_TLV_ID_STA_STATS
 *
 * Carries statistics of a STA. Not all fields may be filled with
 * valid values. Valid fields should be indicated as such using a bitmap of
 * &enum qlink_sta_info. Bitmap is carried separately in a payload of
 * QTN_TLV_ID_BITMAP.
 */
struct qlink_sta_stats {
	__le64 rx_bytes;
	__le64 tx_bytes;
	__le64 rx_beacon;
	__le64 rx_duration;
	__le64 t_offset;
	__le32 connected_time;
	__le32 inactive_time;
	__le32 rx_packets;
	__le32 tx_packets;
	__le32 tx_retries;
	__le32 tx_failed;
	__le32 rx_dropped_misc;
	__le32 beacon_loss_count;
	__le32 expected_throughput;
	struct qlink_sta_info_state sta_flags;
	struct qlink_sta_info_rate txrate;
	struct qlink_sta_info_rate rxrate;
	__le16 llid;
	__le16 plid;
	u8 local_pm;
	u8 peer_pm;
	u8 nonpeer_pm;
	u8 rx_beacon_signal_avg;
	u8 plink_state;
	u8 signal;
	u8 signal_avg;
	u8 rsvd[1];
};

/**
 * struct qlink_random_mac_addr - data for QTN_TLV_ID_RANDOM_MAC_ADDR TLV
 *
 * Specifies MAC address mask/value for generation random MAC address
 * during scan.
 *
 * @mac_addr: MAC address used with randomisation
 * @mac_addr_mask: MAC address mask used with randomisation, bits that
 *	are 0 in the mask should be randomised, bits that are 1 should
 *	be taken from the @mac_addr
 */
struct qlink_random_mac_addr {
	u8 mac_addr[ETH_ALEN];
	u8 mac_addr_mask[ETH_ALEN];
} __packed;

/**
 * struct qlink_wowlan_capab_data - data for QTN_TLV_ID_WOWLAN_CAPAB TLV
 *
 * WoWLAN capabilities supported by cards.
 *
 * @version: version of WoWLAN data structure, to ensure backward
 *	compatibility for firmwares with limited WoWLAN support
 * @len: Total length of WoWLAN data
 * @data: supported WoWLAN features
 */
struct qlink_wowlan_capab_data {
	__le16 version;
	__le16 len;
	u8 data[];
} __packed;

/**
 * struct qlink_wowlan_support - supported WoWLAN capabilities
 *
 * @n_patterns: number of supported wakeup patterns
 * @pattern_max_len: maximum length of each pattern
 * @pattern_min_len: minimum length of each pattern
 */
struct qlink_wowlan_support {
	__le32 n_patterns;
	__le32 pattern_max_len;
	__le32 pattern_min_len;
} __packed;

#endif /* _QTN_QLINK_H_ */