/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
 * This file contains the definitions of the WMI protocol specified in the
 * Wireless Module Interface (WMI).  It includes definitions of all the
 * commands and events. Commands are messages from the host to the WM.
 * Events and Replies are messages from the WM to the host.
 */

#ifndef WMI_H
#define WMI_H

#include <linux/ieee80211.h>

#include "htc.h"

#define HTC_PROTOCOL_VERSION		0x0002
#define WMI_PROTOCOL_VERSION		0x0002
#define WMI_CONTROL_MSG_MAX_LEN		256
#define is_ethertype(type_or_len)	((type_or_len) >= 0x0600)

#define IP_ETHERTYPE		0x0800

#define WMI_IMPLICIT_PSTREAM	0xFF
#define WMI_MAX_THINSTREAM	15

#define SSID_IE_LEN_INDEX	13

/* Host side link management data structures */
#define SIG_QUALITY_THRESH_LVLS		6
#define SIG_QUALITY_UPPER_THRESH_LVLS	SIG_QUALITY_THRESH_LVLS
#define SIG_QUALITY_LOWER_THRESH_LVLS	SIG_QUALITY_THRESH_LVLS

#define A_BAND_24GHZ           0
#define A_BAND_5GHZ            1
#define A_NUM_BANDS            2

/* in ms */
#define WMI_IMPLICIT_PSTREAM_INACTIVITY_INT 5000

/*
 * There are no signed versions of __le16 and __le32, so for a temporary
 * solution come up with our own version. The idea is from fs/ntfs/types.h.
 *
 * Use a_ prefix so that it doesn't conflict if we get proper support to
 * linux/types.h.
 */
typedef __s16 __bitwise a_sle16;
typedef __s32 __bitwise a_sle32;

static inline a_sle32 a_cpu_to_sle32(s32 val)
{
	return (__force a_sle32) cpu_to_le32(val);
}

static inline s32 a_sle32_to_cpu(a_sle32 val)
{
	return le32_to_cpu((__force __le32) val);
}

static inline a_sle16 a_cpu_to_sle16(s16 val)
{
	return (__force a_sle16) cpu_to_le16(val);
}

static inline s16 a_sle16_to_cpu(a_sle16 val)
{
	return le16_to_cpu((__force __le16) val);
}

struct sq_threshold_params {
	s16 upper_threshold[SIG_QUALITY_UPPER_THRESH_LVLS];
	s16 lower_threshold[SIG_QUALITY_LOWER_THRESH_LVLS];
	u32 upper_threshold_valid_count;
	u32 lower_threshold_valid_count;
	u32 polling_interval;
	u8 weight;
	u8 last_rssi;
	u8 last_rssi_poll_event;
};

struct wmi_stats {
	u32 cmd_len_err;
	u32 cmd_id_err;
};

struct wmi_data_sync_bufs {
	u8 traffic_class;
	struct sk_buff *skb;
};

/* WMM stream classes */
#define WMM_NUM_AC  4
#define WMM_AC_BE   0		/* best effort */
#define WMM_AC_BK   1		/* background */
#define WMM_AC_VI   2		/* video */
#define WMM_AC_VO   3		/* voice */

struct wmi {
	bool ready;
	u16 stream_exist_for_ac[WMM_NUM_AC];
	u8 fat_pipe_exist;
	void *parent_dev;
	struct wmi_stats stat;
	struct ath6kl_node_table scan_table;
	u8 bssid[ETH_ALEN];
	u8 pwr_mode;
	u8 phy_mode;
	u8 keep_alive_intvl;
	spinlock_t lock;
	enum htc_endpoint_id ep_id;
	struct sq_threshold_params
	    sq_threshld[SIGNAL_QUALITY_METRICS_NUM_MAX];
	enum crypto_type pair_crypto_type;
	enum crypto_type grp_crypto_type;
	bool is_wmm_enabled;
	u8 ht_allowed[A_NUM_BANDS];
	u8 traffic_class;
	bool is_probe_ssid;
};

struct host_app_area {
	u32 wmi_protocol_ver;
};

enum wmi_msg_type {
	DATA_MSGTYPE = 0x0,
	CNTL_MSGTYPE,
	SYNC_MSGTYPE,
	OPT_MSGTYPE,
};

/*
 * Macros for operating on WMI_DATA_HDR (info) field
 */

#define WMI_DATA_HDR_MSG_TYPE_MASK  0x03
#define WMI_DATA_HDR_MSG_TYPE_SHIFT 0
#define WMI_DATA_HDR_UP_MASK        0x07
#define WMI_DATA_HDR_UP_SHIFT       2

/* In AP mode, the same bit (b5) is used to indicate Power save state in
 * the Rx dir and More data bit state in the tx direction.
 */
#define WMI_DATA_HDR_PS_MASK        0x1
#define WMI_DATA_HDR_PS_SHIFT       5

#define WMI_DATA_HDR_MORE_MASK      0x1
#define WMI_DATA_HDR_MORE_SHIFT     5

enum wmi_data_hdr_data_type {
	WMI_DATA_HDR_DATA_TYPE_802_3 = 0,
	WMI_DATA_HDR_DATA_TYPE_802_11,

	/* used to be used for the PAL */
	WMI_DATA_HDR_DATA_TYPE_ACL,
};

#define WMI_DATA_HDR_DATA_TYPE_MASK     0x3
#define WMI_DATA_HDR_DATA_TYPE_SHIFT    6

/* Macros for operating on WMI_DATA_HDR (info2) field */
#define WMI_DATA_HDR_SEQNO_MASK     0xFFF
#define WMI_DATA_HDR_SEQNO_SHIFT    0

#define WMI_DATA_HDR_AMSDU_MASK     0x1
#define WMI_DATA_HDR_AMSDU_SHIFT    12

#define WMI_DATA_HDR_META_MASK      0x7
#define WMI_DATA_HDR_META_SHIFT     13

struct wmi_data_hdr {
	s8 rssi;

	/*
	 * usage of 'info' field(8-bit):
	 *
	 *  b1:b0       - WMI_MSG_TYPE
	 *  b4:b3:b2    - UP(tid)
	 *  b5          - Used in AP mode.
	 *  More-data in tx dir, PS in rx.
	 *  b7:b6       - Dot3 header(0),
	 *                Dot11 Header(1),
	 *                ACL data(2)
	 */
	u8 info;

	/*
	 * usage of 'info2' field(16-bit):
	 *
	 * b11:b0       - seq_no
	 * b12          - A-MSDU?
	 * b15:b13      - META_DATA_VERSION 0 - 7
	 */
	__le16 info2;
	__le16 info3;
} __packed;

static inline u8 wmi_data_hdr_get_up(struct wmi_data_hdr *dhdr)
{
	return (dhdr->info >> WMI_DATA_HDR_UP_SHIFT) & WMI_DATA_HDR_UP_MASK;
}

static inline void wmi_data_hdr_set_up(struct wmi_data_hdr *dhdr,
				       u8 usr_pri)
{
	dhdr->info &= ~(WMI_DATA_HDR_UP_MASK << WMI_DATA_HDR_UP_SHIFT);
	dhdr->info |= usr_pri << WMI_DATA_HDR_UP_SHIFT;
}

static inline u8 wmi_data_hdr_get_dot11(struct wmi_data_hdr *dhdr)
{
	u8 data_type;

	data_type = (dhdr->info >> WMI_DATA_HDR_DATA_TYPE_SHIFT) &
				   WMI_DATA_HDR_DATA_TYPE_MASK;
	return (data_type == WMI_DATA_HDR_DATA_TYPE_802_11);
}

static inline u16 wmi_data_hdr_get_seqno(struct wmi_data_hdr *dhdr)
{
	return (le16_to_cpu(dhdr->info2) >> WMI_DATA_HDR_SEQNO_SHIFT) &
				WMI_DATA_HDR_SEQNO_MASK;
}

static inline u8 wmi_data_hdr_is_amsdu(struct wmi_data_hdr *dhdr)
{
	return (le16_to_cpu(dhdr->info2) >> WMI_DATA_HDR_AMSDU_SHIFT) &
			       WMI_DATA_HDR_AMSDU_MASK;
}

static inline u8 wmi_data_hdr_get_meta(struct wmi_data_hdr *dhdr)
{
	return (le16_to_cpu(dhdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
			       WMI_DATA_HDR_META_MASK;
}

/* Tx meta version definitions */
#define WMI_MAX_TX_META_SZ	12
#define WMI_META_VERSION_1	0x01
#define WMI_META_VERSION_2	0x02

struct wmi_tx_meta_v1 {
	/* packet ID to identify the tx request */
	u8 pkt_id;

	/* rate policy to be used for the tx of this frame */
	u8 rate_plcy_id;
} __packed;

struct wmi_tx_meta_v2 {
	/*
	 * Offset from start of the WMI header for csum calculation to
	 * begin.
	 */
	u8 csum_start;

	/* offset from start of WMI header where final csum goes */
	u8 csum_dest;

	/* no of bytes over which csum is calculated */
	u8 csum_flags;
} __packed;

struct wmi_rx_meta_v1 {
	u8 status;

	/* rate index mapped to rate at which this packet was received. */
	u8 rix;

	/* rssi of packet */
	u8 rssi;

	/* rf channel during packet reception */
	u8 channel;

	__le16 flags;
} __packed;

struct wmi_rx_meta_v2 {
	__le16 csum;

	/* bit 0 set -partial csum valid bit 1 set -test mode */
	u8 csum_flags;
} __packed;

/* Control Path */
struct wmi_cmd_hdr {
	__le16 cmd_id;

	/* info1 - 16 bits
	 * b03:b00 - id
	 * b15:b04 - unused */
	__le16 info1;

	/* for alignment */
	__le16 reserved;
} __packed;

/* List of WMI commands */
enum wmi_cmd_id {
	WMI_CONNECT_CMDID = 0x0001,
	WMI_RECONNECT_CMDID,
	WMI_DISCONNECT_CMDID,
	WMI_SYNCHRONIZE_CMDID,
	WMI_CREATE_PSTREAM_CMDID,
	WMI_DELETE_PSTREAM_CMDID,
	WMI_START_SCAN_CMDID,
	WMI_SET_SCAN_PARAMS_CMDID,
	WMI_SET_BSS_FILTER_CMDID,
	WMI_SET_PROBED_SSID_CMDID,	/* 10 */
	WMI_SET_LISTEN_INT_CMDID,
	WMI_SET_BMISS_TIME_CMDID,
	WMI_SET_DISC_TIMEOUT_CMDID,
	WMI_GET_CHANNEL_LIST_CMDID,
	WMI_SET_BEACON_INT_CMDID,
	WMI_GET_STATISTICS_CMDID,
	WMI_SET_CHANNEL_PARAMS_CMDID,
	WMI_SET_POWER_MODE_CMDID,
	WMI_SET_IBSS_PM_CAPS_CMDID,
	WMI_SET_POWER_PARAMS_CMDID,	/* 20 */
	WMI_SET_POWERSAVE_TIMERS_POLICY_CMDID,
	WMI_ADD_CIPHER_KEY_CMDID,
	WMI_DELETE_CIPHER_KEY_CMDID,
	WMI_ADD_KRK_CMDID,
	WMI_DELETE_KRK_CMDID,
	WMI_SET_PMKID_CMDID,
	WMI_SET_TX_PWR_CMDID,
	WMI_GET_TX_PWR_CMDID,
	WMI_SET_ASSOC_INFO_CMDID,
	WMI_ADD_BAD_AP_CMDID,		/* 30 */
	WMI_DELETE_BAD_AP_CMDID,
	WMI_SET_TKIP_COUNTERMEASURES_CMDID,
	WMI_RSSI_THRESHOLD_PARAMS_CMDID,
	WMI_TARGET_ERROR_REPORT_BITMASK_CMDID,
	WMI_SET_ACCESS_PARAMS_CMDID,
	WMI_SET_RETRY_LIMITS_CMDID,
	WMI_SET_OPT_MODE_CMDID,
	WMI_OPT_TX_FRAME_CMDID,
	WMI_SET_VOICE_PKT_SIZE_CMDID,
	WMI_SET_MAX_SP_LEN_CMDID,	/* 40 */
	WMI_SET_ROAM_CTRL_CMDID,
	WMI_GET_ROAM_TBL_CMDID,
	WMI_GET_ROAM_DATA_CMDID,
	WMI_ENABLE_RM_CMDID,
	WMI_SET_MAX_OFFHOME_DURATION_CMDID,
	WMI_EXTENSION_CMDID,	/* Non-wireless extensions */
	WMI_SNR_THRESHOLD_PARAMS_CMDID,
	WMI_LQ_THRESHOLD_PARAMS_CMDID,
	WMI_SET_LPREAMBLE_CMDID,
	WMI_SET_RTS_CMDID,		/* 50 */
	WMI_CLR_RSSI_SNR_CMDID,
	WMI_SET_FIXRATES_CMDID,
	WMI_GET_FIXRATES_CMDID,
	WMI_SET_AUTH_MODE_CMDID,
	WMI_SET_REASSOC_MODE_CMDID,
	WMI_SET_WMM_CMDID,
	WMI_SET_WMM_TXOP_CMDID,
	WMI_TEST_CMDID,

	/* COEX AR6002 only */
	WMI_SET_BT_STATUS_CMDID,
	WMI_SET_BT_PARAMS_CMDID,	/* 60 */

	WMI_SET_KEEPALIVE_CMDID,
	WMI_GET_KEEPALIVE_CMDID,
	WMI_SET_APPIE_CMDID,
	WMI_GET_APPIE_CMDID,
	WMI_SET_WSC_STATUS_CMDID,

	/* Wake on Wireless */
	WMI_SET_HOST_SLEEP_MODE_CMDID,
	WMI_SET_WOW_MODE_CMDID,
	WMI_GET_WOW_LIST_CMDID,
	WMI_ADD_WOW_PATTERN_CMDID,
	WMI_DEL_WOW_PATTERN_CMDID,	/* 70 */

	WMI_SET_FRAMERATES_CMDID,
	WMI_SET_AP_PS_CMDID,
	WMI_SET_QOS_SUPP_CMDID,

	/* WMI_THIN_RESERVED_... mark the start and end
	 * values for WMI_THIN_RESERVED command IDs. These
	 * command IDs can be found in wmi_thin.h */
	WMI_THIN_RESERVED_START = 0x8000,
	WMI_THIN_RESERVED_END = 0x8fff,

	/* Developer commands starts at 0xF000 */
	WMI_SET_BITRATE_CMDID = 0xF000,
	WMI_GET_BITRATE_CMDID,
	WMI_SET_WHALPARAM_CMDID,
	WMI_SET_MAC_ADDRESS_CMDID,
	WMI_SET_AKMP_PARAMS_CMDID,
	WMI_SET_PMKID_LIST_CMDID,
	WMI_GET_PMKID_LIST_CMDID,
	WMI_ABORT_SCAN_CMDID,
	WMI_SET_TARGET_EVENT_REPORT_CMDID,

	/* Unused */
	WMI_UNUSED1,
	WMI_UNUSED2,

	/* AP mode commands */
	WMI_AP_HIDDEN_SSID_CMDID,
	WMI_AP_SET_NUM_STA_CMDID,
	WMI_AP_ACL_POLICY_CMDID,
	WMI_AP_ACL_MAC_LIST_CMDID,
	WMI_AP_CONFIG_COMMIT_CMDID,
	WMI_AP_SET_MLME_CMDID,
	WMI_AP_SET_PVB_CMDID,
	WMI_AP_CONN_INACT_CMDID,
	WMI_AP_PROT_SCAN_TIME_CMDID,
	WMI_AP_SET_COUNTRY_CMDID,
	WMI_AP_SET_DTIM_CMDID,
	WMI_AP_MODE_STAT_CMDID,

	WMI_SET_IP_CMDID,
	WMI_SET_PARAMS_CMDID,
	WMI_SET_MCAST_FILTER_CMDID,
	WMI_DEL_MCAST_FILTER_CMDID,

	WMI_ALLOW_AGGR_CMDID,
	WMI_ADDBA_REQ_CMDID,
	WMI_DELBA_REQ_CMDID,
	WMI_SET_HT_CAP_CMDID,
	WMI_SET_HT_OP_CMDID,
	WMI_SET_TX_SELECT_RATES_CMDID,
	WMI_SET_TX_SGI_PARAM_CMDID,
	WMI_SET_RATE_POLICY_CMDID,

	WMI_HCI_CMD_CMDID,
	WMI_RX_FRAME_FORMAT_CMDID,
	WMI_SET_THIN_MODE_CMDID,
	WMI_SET_BT_WLAN_CONN_PRECEDENCE_CMDID,

	WMI_AP_SET_11BG_RATESET_CMDID,
	WMI_SET_PMK_CMDID,
	WMI_MCAST_FILTER_CMDID,

	/* COEX CMDID AR6003 */
	WMI_SET_BTCOEX_FE_ANT_CMDID,
	WMI_SET_BTCOEX_COLOCATED_BT_DEV_CMDID,
	WMI_SET_BTCOEX_SCO_CONFIG_CMDID,
	WMI_SET_BTCOEX_A2DP_CONFIG_CMDID,
	WMI_SET_BTCOEX_ACLCOEX_CONFIG_CMDID,
	WMI_SET_BTCOEX_BTINQUIRY_PAGE_CONFIG_CMDID,
	WMI_SET_BTCOEX_DEBUG_CMDID,
	WMI_SET_BTCOEX_BT_OPERATING_STATUS_CMDID,
	WMI_GET_BTCOEX_STATS_CMDID,
	WMI_GET_BTCOEX_CONFIG_CMDID,

	WMI_SET_DFS_ENABLE_CMDID,	/* F034 */
	WMI_SET_DFS_MINRSSITHRESH_CMDID,
	WMI_SET_DFS_MAXPULSEDUR_CMDID,
	WMI_DFS_RADAR_DETECTED_CMDID,

	/* P2P commands */
	WMI_P2P_SET_CONFIG_CMDID,	/* F038 */
	WMI_WPS_SET_CONFIG_CMDID,
	WMI_SET_REQ_DEV_ATTR_CMDID,
	WMI_P2P_FIND_CMDID,
	WMI_P2P_STOP_FIND_CMDID,
	WMI_P2P_GO_NEG_START_CMDID,
	WMI_P2P_LISTEN_CMDID,

	WMI_CONFIG_TX_MAC_RULES_CMDID,	/* F040 */
	WMI_SET_PROMISCUOUS_MODE_CMDID,
	WMI_RX_FRAME_FILTER_CMDID,
	WMI_SET_CHANNEL_CMDID,

	/* WAC commands */
	WMI_ENABLE_WAC_CMDID,
	WMI_WAC_SCAN_REPLY_CMDID,
	WMI_WAC_CTRL_REQ_CMDID,
	WMI_SET_DIV_PARAMS_CMDID,

	WMI_GET_PMK_CMDID,
	WMI_SET_PASSPHRASE_CMDID,
	WMI_SEND_ASSOC_RES_CMDID,
	WMI_SET_ASSOC_REQ_RELAY_CMDID,
	WMI_GET_RFKILL_MODE_CMDID,

	/* ACS command, consists of sub-commands */
	WMI_ACS_CTRL_CMDID,

	/* Ultra low power store / recall commands */
	WMI_STORERECALL_CONFIGURE_CMDID,
	WMI_STORERECALL_RECALL_CMDID,
	WMI_STORERECALL_HOST_READY_CMDID,
	WMI_FORCE_TARGET_ASSERT_CMDID,
	WMI_SET_EXCESS_TX_RETRY_THRES_CMDID,
};

/* WMI_CONNECT_CMDID  */
enum network_type {
	INFRA_NETWORK = 0x01,
	ADHOC_NETWORK = 0x02,
	ADHOC_CREATOR = 0x04,
	AP_NETWORK = 0x10,
};

enum dot11_auth_mode {
	OPEN_AUTH = 0x01,
	SHARED_AUTH = 0x02,

	/* different from IEEE_AUTH_MODE definitions */
	LEAP_AUTH = 0x04,
};

enum {
	AUTH_IDLE,
	AUTH_OPEN_IN_PROGRESS,
};

enum auth_mode {
	NONE_AUTH = 0x01,
	WPA_AUTH = 0x02,
	WPA2_AUTH = 0x04,
	WPA_PSK_AUTH = 0x08,
	WPA2_PSK_AUTH = 0x10,
	WPA_AUTH_CCKM = 0x20,
	WPA2_AUTH_CCKM = 0x40,
};

#define WMI_MIN_CRYPTO_TYPE NONE_CRYPT
#define WMI_MAX_CRYPTO_TYPE (AES_CRYPT + 1)

#define WMI_MIN_KEY_INDEX   0
#define WMI_MAX_KEY_INDEX   3

#define WMI_MAX_KEY_LEN     32

/*
 * NB: these values are ordered carefully; there are lots of
 * of implications in any reordering.  In particular beware
 * that 4 is not used to avoid conflicting with IEEE80211_F_PRIVACY.
 */
#define ATH6KL_CIPHER_WEP            0
#define ATH6KL_CIPHER_TKIP           1
#define ATH6KL_CIPHER_AES_OCB        2
#define ATH6KL_CIPHER_AES_CCM        3
#define ATH6KL_CIPHER_CKIP           5
#define ATH6KL_CIPHER_CCKM_KRK       6
#define ATH6KL_CIPHER_NONE           7 /* pseudo value */

/*
 * 802.11 rate set.
 */
#define ATH6KL_RATE_MAXSIZE  15	/* max rates we'll handle */

#define ATH_OUI_TYPE            0x01
#define WPA_OUI_TYPE            0x01
#define WMM_PARAM_OUI_SUBTYPE   0x01
#define WMM_OUI_TYPE            0x02
#define WSC_OUT_TYPE            0x04

enum wmi_connect_ctrl_flags_bits {
	CONNECT_ASSOC_POLICY_USER = 0x0001,
	CONNECT_SEND_REASSOC = 0x0002,
	CONNECT_IGNORE_WPAx_GROUP_CIPHER = 0x0004,
	CONNECT_PROFILE_MATCH_DONE = 0x0008,
	CONNECT_IGNORE_AAC_BEACON = 0x0010,
	CONNECT_CSA_FOLLOW_BSS = 0x0020,
	CONNECT_DO_WPA_OFFLOAD = 0x0040,
	CONNECT_DO_NOT_DEAUTH = 0x0080,
};

struct wmi_connect_cmd {
	u8 nw_type;
	u8 dot11_auth_mode;
	u8 auth_mode;
	u8 prwise_crypto_type;
	u8 prwise_crypto_len;
	u8 grp_crypto_type;
	u8 grp_crypto_len;
	u8 ssid_len;
	u8 ssid[IEEE80211_MAX_SSID_LEN];
	__le16 ch;
	u8 bssid[ETH_ALEN];
	__le32 ctrl_flags;
} __packed;

/* WMI_RECONNECT_CMDID */
struct wmi_reconnect_cmd {
	/* channel hint */
	__le16 channel;

	/* mandatory if set */
	u8 bssid[ETH_ALEN];
} __packed;

/* WMI_ADD_CIPHER_KEY_CMDID */
enum key_usage {
	PAIRWISE_USAGE = 0x00,
	GROUP_USAGE = 0x01,

	/* default Tx Key - static WEP only */
	TX_USAGE = 0x02,
};

/*
 * Bit Flag
 * Bit 0 - Initialise TSC - default is Initialize
 */
#define KEY_OP_INIT_TSC     0x01
#define KEY_OP_INIT_RSC     0x02

/* default initialise the TSC & RSC */
#define KEY_OP_INIT_VAL     0x03
#define KEY_OP_VALID_MASK   0x03

struct wmi_add_cipher_key_cmd {
	u8 key_index;
	u8 key_type;

	/* enum key_usage */
	u8 key_usage;

	u8 key_len;

	/* key replay sequence counter */
	u8 key_rsc[8];

	u8 key[WLAN_MAX_KEY_LEN];

	/* additional key control info */
	u8 key_op_ctrl;

	u8 key_mac_addr[ETH_ALEN];
} __packed;

/* WMI_DELETE_CIPHER_KEY_CMDID */
struct wmi_delete_cipher_key_cmd {
	u8 key_index;
} __packed;

#define WMI_KRK_LEN     16

/* WMI_ADD_KRK_CMDID */
struct wmi_add_krk_cmd {
	u8 krk[WMI_KRK_LEN];
} __packed;

/* WMI_SETPMKID_CMDID */

#define WMI_PMKID_LEN 16

enum pmkid_enable_flg {
	PMKID_DISABLE = 0,
	PMKID_ENABLE = 1,
};

struct wmi_setpmkid_cmd {
	u8 bssid[ETH_ALEN];

	/* enum pmkid_enable_flg */
	u8 enable;

	u8 pmkid[WMI_PMKID_LEN];
} __packed;

/* WMI_START_SCAN_CMD */
enum wmi_scan_type {
	WMI_LONG_SCAN = 0,
	WMI_SHORT_SCAN = 1,
};

struct wmi_start_scan_cmd {
	__le32 force_fg_scan;

	/* for legacy cisco AP compatibility */
	__le32 is_legacy;

	/* max duration in the home channel(msec) */
	__le32 home_dwell_time;

	/* time interval between scans (msec) */
	__le32 force_scan_intvl;

	/* enum wmi_scan_type */
	u8 scan_type;

	/* how many channels follow */
	u8 num_ch;

	/* channels in Mhz */
	__le16 ch_list[1];
} __packed;

/* WMI_SET_SCAN_PARAMS_CMDID */
#define WMI_SHORTSCANRATIO_DEFAULT      3

/*
 *  Warning: scan control flag value of 0xFF is used to disable
 *  all flags in WMI_SCAN_PARAMS_CMD. Do not add any more
 *  flags here
 */
enum wmi_scan_ctrl_flags_bits {

	/* set if can scan in the connect cmd */
	CONNECT_SCAN_CTRL_FLAGS = 0x01,

	/* set if scan for the SSID it is already connected to */
	SCAN_CONNECTED_CTRL_FLAGS = 0x02,

	/* set if enable active scan */
	ACTIVE_SCAN_CTRL_FLAGS = 0x04,

	/* set if enable roam scan when bmiss and lowrssi */
	ROAM_SCAN_CTRL_FLAGS = 0x08,

	/* set if follows customer BSSINFO reporting rule */
	REPORT_BSSINFO_CTRL_FLAGS = 0x10,

	/* if disabled, target doesn't scan after a disconnect event  */
	ENABLE_AUTO_CTRL_FLAGS = 0x20,

	/*
	 * Scan complete event with canceled status will be generated when
	 * a scan is prempted before it gets completed.
	 */
	ENABLE_SCAN_ABORT_EVENT = 0x40
};

#define DEFAULT_SCAN_CTRL_FLAGS			\
	(CONNECT_SCAN_CTRL_FLAGS |		\
	 SCAN_CONNECTED_CTRL_FLAGS |		\
	 ACTIVE_SCAN_CTRL_FLAGS |		\
	 ROAM_SCAN_CTRL_FLAGS |			\
	 ENABLE_AUTO_CTRL_FLAGS)

struct wmi_scan_params_cmd {
	  /* sec */
	__le16 fg_start_period;

	/* sec */
	__le16 fg_end_period;

	/* sec */
	__le16 bg_period;

	/* msec */
	__le16 maxact_chdwell_time;

	/* msec */
	__le16 pas_chdwell_time;

	  /* how many shorts scan for one long */
	u8 short_scan_ratio;

	u8 scan_ctrl_flags;

	/* msec */
	__le16 minact_chdwell_time;

	/* max active scans per ssid */
	__le16 maxact_scan_per_ssid;

	/* msecs */
	__le32 max_dfsch_act_time;
} __packed;

/* WMI_SET_BSS_FILTER_CMDID */
enum wmi_bss_filter {
	/* no beacons forwarded */
	NONE_BSS_FILTER = 0x0,

	/* all beacons forwarded */
	ALL_BSS_FILTER,

	/* only beacons matching profile */
	PROFILE_FILTER,

	/* all but beacons matching profile */
	ALL_BUT_PROFILE_FILTER,

	/* only beacons matching current BSS */
	CURRENT_BSS_FILTER,

	/* all but beacons matching BSS */
	ALL_BUT_BSS_FILTER,

	/* beacons matching probed ssid */
	PROBED_SSID_FILTER,

	/* marker only */
	LAST_BSS_FILTER,
};

struct wmi_bss_filter_cmd {
	/* see, enum wmi_bss_filter */
	u8 bss_filter;

	/* for alignment */
	u8 reserved1;

	/* for alignment */
	__le16 reserved2;

	__le32 ie_mask;
} __packed;

/* WMI_SET_PROBED_SSID_CMDID */
#define MAX_PROBED_SSID_INDEX   9

enum wmi_ssid_flag {
	/* disables entry */
	DISABLE_SSID_FLAG = 0,

	/* probes specified ssid */
	SPECIFIC_SSID_FLAG = 0x01,

	/* probes for any ssid */
	ANY_SSID_FLAG = 0x02,
};

struct wmi_probed_ssid_cmd {
	/* 0 to MAX_PROBED_SSID_INDEX */
	u8 entry_index;

	/* see, enum wmi_ssid_flg */
	u8 flag;

	u8 ssid_len;
	u8 ssid[IEEE80211_MAX_SSID_LEN];
} __packed;

/*
 * WMI_SET_LISTEN_INT_CMDID
 * The Listen interval is between 15 and 3000 TUs
 */
struct wmi_listen_int_cmd {
	__le16 listen_intvl;
	__le16 num_beacons;
} __packed;

/* WMI_SET_POWER_MODE_CMDID */
enum wmi_power_mode {
	REC_POWER = 0x01,
	MAX_PERF_POWER,
};

struct wmi_power_mode_cmd {
	/* see, enum wmi_power_mode */
	u8 pwr_mode;
} __packed;

/*
 * Policy to determnine whether power save failure event should be sent to
 * host during scanning
 */
enum power_save_fail_event_policy {
	SEND_POWER_SAVE_FAIL_EVENT_ALWAYS = 1,
	IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN = 2,
};

struct wmi_power_params_cmd {
	/* msec */
	__le16 idle_period;

	__le16 pspoll_number;
	__le16 dtim_policy;
	__le16 tx_wakeup_policy;
	__le16 num_tx_to_wakeup;
	__le16 ps_fail_event_policy;
} __packed;

/* WMI_SET_DISC_TIMEOUT_CMDID */
struct wmi_disc_timeout_cmd {
	/* seconds */
	u8 discon_timeout;
} __packed;

enum dir_type {
	UPLINK_TRAFFIC = 0,
	DNLINK_TRAFFIC = 1,
	BIDIR_TRAFFIC = 2,
};

enum voiceps_cap_type {
	DISABLE_FOR_THIS_AC = 0,
	ENABLE_FOR_THIS_AC = 1,
	ENABLE_FOR_ALL_AC = 2,
};

enum traffic_type {
	TRAFFIC_TYPE_APERIODIC = 0,
	TRAFFIC_TYPE_PERIODIC = 1,
};

/* WMI_SYNCHRONIZE_CMDID */
struct wmi_sync_cmd {
	u8 data_sync_map;
} __packed;

/* WMI_CREATE_PSTREAM_CMDID */
struct wmi_create_pstream_cmd {
	/* msec */
	__le32 min_service_int;

	/* msec */
	__le32 max_service_int;

	/* msec */
	__le32 inactivity_int;

	/* msec */
	__le32 suspension_int;

	__le32 service_start_time;

	/* in bps */
	__le32 min_data_rate;

	/* in bps */
	__le32 mean_data_rate;

	/* in bps */
	__le32 peak_data_rate;

	__le32 max_burst_size;
	__le32 delay_bound;

	/* in bps */
	__le32 min_phy_rate;

	__le32 sba;
	__le32 medium_time;

	/* in octects */
	__le16 nominal_msdu;

	/* in octects */
	__le16 max_msdu;

	u8 traffic_class;

	/* see, enum dir_type */
	u8 traffic_direc;

	u8 rx_queue_num;

	/* see, enum traffic_type */
	u8 traffic_type;

	/* see, enum voiceps_cap_type */
	u8 voice_psc_cap;
	u8 tsid;

	/* 802.1D user priority */
	u8 user_pri;

	/* nominal phy rate */
	u8 nominal_phy;
} __packed;

/* WMI_DELETE_PSTREAM_CMDID */
struct wmi_delete_pstream_cmd {
	u8 tx_queue_num;
	u8 rx_queue_num;
	u8 traffic_direc;
	u8 traffic_class;
	u8 tsid;
} __packed;

/* WMI_SET_CHANNEL_PARAMS_CMDID */
enum wmi_phy_mode {
	WMI_11A_MODE = 0x1,
	WMI_11G_MODE = 0x2,
	WMI_11AG_MODE = 0x3,
	WMI_11B_MODE = 0x4,
	WMI_11GONLY_MODE = 0x5,
};

#define WMI_MAX_CHANNELS        32

/*
 *  WMI_RSSI_THRESHOLD_PARAMS_CMDID
 *  Setting the polltime to 0 would disable polling. Threshold values are
 *  in the ascending order, and should agree to:
 *  (lowThreshold_lowerVal < lowThreshold_upperVal < highThreshold_lowerVal
 *   < highThreshold_upperVal)
 */

struct wmi_rssi_threshold_params_cmd {
	/* polling time as a factor of LI */
	__le32 poll_time;

	/* lowest of upper */
	a_sle16 thresh_above1_val;

	a_sle16 thresh_above2_val;
	a_sle16 thresh_above3_val;
	a_sle16 thresh_above4_val;
	a_sle16 thresh_above5_val;

	/* highest of upper */
	a_sle16 thresh_above6_val;

	/* lowest of bellow */
	a_sle16 thresh_below1_val;

	a_sle16 thresh_below2_val;
	a_sle16 thresh_below3_val;
	a_sle16 thresh_below4_val;
	a_sle16 thresh_below5_val;

	/* highest of bellow */
	a_sle16 thresh_below6_val;

	/* "alpha" */
	u8 weight;

	u8 reserved[3];
} __packed;

/*
 *  WMI_SNR_THRESHOLD_PARAMS_CMDID
 *  Setting the polltime to 0 would disable polling.
 */

struct wmi_snr_threshold_params_cmd {
	/* polling time as a factor of LI */
	__le32 poll_time;

	/* "alpha" */
	u8 weight;

	/* lowest of uppper */
	u8 thresh_above1_val;

	u8 thresh_above2_val;
	u8 thresh_above3_val;

	/* highest of upper */
	u8 thresh_above4_val;

	/* lowest of bellow */
	u8 thresh_below1_val;

	u8 thresh_below2_val;
	u8 thresh_below3_val;

	/* highest of bellow */
	u8 thresh_below4_val;

	u8 reserved[3];
} __packed;

enum wmi_preamble_policy {
	WMI_IGNORE_BARKER_IN_ERP = 0,
	WMI_DONOT_IGNORE_BARKER_IN_ERP
};

struct wmi_set_lpreamble_cmd {
	u8 status;
	u8 preamble_policy;
} __packed;

struct wmi_set_rts_cmd {
	__le16 threshold;
} __packed;

/* WMI_SET_TX_PWR_CMDID */
struct wmi_set_tx_pwr_cmd {
	/* in dbM units */
	u8 dbM;
} __packed;

struct wmi_tx_pwr_reply {
	/* in dbM units */
	u8 dbM;
} __packed;

struct wmi_report_sleep_state_event {
	__le32 sleep_state;
};

enum wmi_report_sleep_status {
	WMI_REPORT_SLEEP_STATUS_IS_DEEP_SLEEP = 0,
	WMI_REPORT_SLEEP_STATUS_IS_AWAKE
};
enum target_event_report_config {
	/* default */
	DISCONN_EVT_IN_RECONN = 0,

	NO_DISCONN_EVT_IN_RECONN
};

/* Command Replies */

/* WMI_GET_CHANNEL_LIST_CMDID reply */
struct wmi_channel_list_reply {
	u8 reserved;

	/* number of channels in reply */
	u8 num_ch;

	/* channel in Mhz */
	__le16 ch_list[1];
} __packed;

/* List of Events (target to host) */
enum wmi_event_id {
	WMI_READY_EVENTID = 0x1001,
	WMI_CONNECT_EVENTID,
	WMI_DISCONNECT_EVENTID,
	WMI_BSSINFO_EVENTID,
	WMI_CMDERROR_EVENTID,
	WMI_REGDOMAIN_EVENTID,
	WMI_PSTREAM_TIMEOUT_EVENTID,
	WMI_NEIGHBOR_REPORT_EVENTID,
	WMI_TKIP_MICERR_EVENTID,
	WMI_SCAN_COMPLETE_EVENTID,	/* 0x100a */
	WMI_REPORT_STATISTICS_EVENTID,
	WMI_RSSI_THRESHOLD_EVENTID,
	WMI_ERROR_REPORT_EVENTID,
	WMI_OPT_RX_FRAME_EVENTID,
	WMI_REPORT_ROAM_TBL_EVENTID,
	WMI_EXTENSION_EVENTID,
	WMI_CAC_EVENTID,
	WMI_SNR_THRESHOLD_EVENTID,
	WMI_LQ_THRESHOLD_EVENTID,
	WMI_TX_RETRY_ERR_EVENTID,	/* 0x1014 */
	WMI_REPORT_ROAM_DATA_EVENTID,
	WMI_TEST_EVENTID,
	WMI_APLIST_EVENTID,
	WMI_GET_WOW_LIST_EVENTID,
	WMI_GET_PMKID_LIST_EVENTID,
	WMI_CHANNEL_CHANGE_EVENTID,
	WMI_PEER_NODE_EVENTID,
	WMI_PSPOLL_EVENTID,
	WMI_DTIMEXPIRY_EVENTID,
	WMI_WLAN_VERSION_EVENTID,
	WMI_SET_PARAMS_REPLY_EVENTID,
	WMI_ADDBA_REQ_EVENTID,		/*0x1020 */
	WMI_ADDBA_RESP_EVENTID,
	WMI_DELBA_REQ_EVENTID,
	WMI_TX_COMPLETE_EVENTID,
	WMI_HCI_EVENT_EVENTID,
	WMI_ACL_DATA_EVENTID,
	WMI_REPORT_SLEEP_STATE_EVENTID,
	WMI_REPORT_BTCOEX_STATS_EVENTID,
	WMI_REPORT_BTCOEX_CONFIG_EVENTID,
	WMI_GET_PMK_EVENTID,

	/* DFS Events */
	WMI_DFS_HOST_ATTACH_EVENTID,
	WMI_DFS_HOST_INIT_EVENTID,
	WMI_DFS_RESET_DELAYLINES_EVENTID,
	WMI_DFS_RESET_RADARQ_EVENTID,
	WMI_DFS_RESET_AR_EVENTID,
	WMI_DFS_RESET_ARQ_EVENTID,
	WMI_DFS_SET_DUR_MULTIPLIER_EVENTID,
	WMI_DFS_SET_BANGRADAR_EVENTID,
	WMI_DFS_SET_DEBUGLEVEL_EVENTID,
	WMI_DFS_PHYERR_EVENTID,

	/* CCX Evants */
	WMI_CCX_RM_STATUS_EVENTID,

	/* P2P Events */
	WMI_P2P_GO_NEG_RESULT_EVENTID,

	WMI_WAC_SCAN_DONE_EVENTID,
	WMI_WAC_REPORT_BSS_EVENTID,
	WMI_WAC_START_WPS_EVENTID,
	WMI_WAC_CTRL_REQ_REPLY_EVENTID,

	/* RFKILL Events */
	WMI_RFKILL_STATE_CHANGE_EVENTID,
	WMI_RFKILL_GET_MODE_CMD_EVENTID,
	WMI_THIN_RESERVED_START_EVENTID = 0x8000,

	/*
	 * Events in this range are reserved for thinmode
	 * See wmi_thin.h for actual definitions
	 */
	WMI_THIN_RESERVED_END_EVENTID = 0x8fff,

	WMI_SET_CHANNEL_EVENTID,
	WMI_ASSOC_REQ_EVENTID,

	/* Generic ACS event */
	WMI_ACS_EVENTID,
	WMI_REPORT_WMM_PARAMS_EVENTID
};

struct wmi_ready_event_2 {
	__le32 sw_version;
	__le32 abi_version;
	u8 mac_addr[ETH_ALEN];
	u8 phy_cap;
} __packed;

/* Connect Event */
struct wmi_connect_event {
	__le16 ch;
	u8 bssid[ETH_ALEN];
	__le16 listen_intvl;
	__le16 beacon_intvl;
	__le32 nw_type;
	u8 beacon_ie_len;
	u8 assoc_req_len;
	u8 assoc_resp_len;
	u8 assoc_info[1];
} __packed;

/* Disconnect Event */
enum wmi_disconnect_reason {
	NO_NETWORK_AVAIL = 0x01,

	/* bmiss */
	LOST_LINK = 0x02,

	DISCONNECT_CMD = 0x03,
	BSS_DISCONNECTED = 0x04,
	AUTH_FAILED = 0x05,
	ASSOC_FAILED = 0x06,
	NO_RESOURCES_AVAIL = 0x07,
	CSERV_DISCONNECT = 0x08,
	INVALID_PROFILE = 0x0a,
	DOT11H_CHANNEL_SWITCH = 0x0b,
	PROFILE_MISMATCH = 0x0c,
	CONNECTION_EVICTED = 0x0d,
	IBSS_MERGE = 0xe,
};

struct wmi_disconnect_event {
	/* reason code, see 802.11 spec. */
	__le16 proto_reason_status;

	/* set if known */
	u8 bssid[ETH_ALEN];

	/* see WMI_DISCONNECT_REASON */
	u8 disconn_reason;

	u8 assoc_resp_len;
	u8 assoc_info[1];
} __packed;

/*
 * BSS Info Event.
 * Mechanism used to inform host of the presence and characteristic of
 * wireless networks present.  Consists of bss info header followed by
 * the beacon or probe-response frame body.  The 802.11 header is no included.
 */
enum wmi_bi_ftype {
	BEACON_FTYPE = 0x1,
	PROBERESP_FTYPE,
	ACTION_MGMT_FTYPE,
	PROBEREQ_FTYPE,
};

struct wmi_bss_info_hdr {
	__le16 ch;

	/* see, enum wmi_bi_ftype */
	u8 frame_type;

	u8 snr;
	a_sle16 rssi;
	u8 bssid[ETH_ALEN];
	__le32 ie_mask;
} __packed;

/*
 * BSS INFO HDR version 2.0
 * With 6 bytes HTC header and 6 bytes of WMI header
 * WMI_BSS_INFO_HDR cannot be accommodated in the removed 802.11 management
 * header space.
 * - Reduce the ie_mask to 2 bytes as only two bit flags are used
 * - Remove rssi and compute it on the host. rssi = snr - 95
 */
struct wmi_bss_info_hdr2 {
	__le16 ch;

	/* see, enum wmi_bi_ftype */
	u8 frame_type;

	u8 snr;
	u8 bssid[ETH_ALEN];
	__le16 ie_mask;
} __packed;

/* Command Error Event */
enum wmi_error_code {
	INVALID_PARAM = 0x01,
	ILLEGAL_STATE = 0x02,
	INTERNAL_ERROR = 0x03,
};

struct wmi_cmd_error_event {
	__le16 cmd_id;
	u8 err_code;
} __packed;

struct wmi_pstream_timeout_event {
	u8 tx_queue_num;
	u8 rx_queue_num;
	u8 traffic_direc;
	u8 traffic_class;
} __packed;

/*
 * The WMI_NEIGHBOR_REPORT Event is generated by the target to inform
 * the host of BSS's it has found that matches the current profile.
 * It can be used by the host to cache PMKs and/to initiate pre-authentication
 * if the BSS supports it.  The first bssid is always the current associated
 * BSS.
 * The bssid and bssFlags information repeats according to the number
 * or APs reported.
 */
enum wmi_bss_flags {
	WMI_DEFAULT_BSS_FLAGS = 0x00,
	WMI_PREAUTH_CAPABLE_BSS = 0x01,
	WMI_PMKID_VALID_BSS = 0x02,
};

/* TKIP MIC Error Event */
struct wmi_tkip_micerr_event {
	u8 key_id;
	u8 is_mcast;
} __packed;

/* WMI_SCAN_COMPLETE_EVENTID */
struct wmi_scan_complete_event {
	a_sle32 status;
} __packed;

#define MAX_OPT_DATA_LEN 1400

/*
 * Special frame receive Event.
 * Mechanism used to inform host of the receiption of the special frames.
 * Consists of special frame info header followed by special frame body.
 * The 802.11 header is not included.
 */
struct wmi_opt_rx_info_hdr {
	__le16 ch;
	u8 frame_type;
	s8 snr;
	u8 src_addr[ETH_ALEN];
	u8 bssid[ETH_ALEN];
} __packed;

/* Reporting statistic */
struct tx_stats {
	__le32 pkt;
	__le32 byte;
	__le32 ucast_pkt;
	__le32 ucast_byte;
	__le32 mcast_pkt;
	__le32 mcast_byte;
	__le32 bcast_pkt;
	__le32 bcast_byte;
	__le32 rts_success_cnt;
	__le32 pkt_per_ac[4];
	__le32 err_per_ac[4];

	__le32 err;
	__le32 fail_cnt;
	__le32 retry_cnt;
	__le32 mult_retry_cnt;
	__le32 rts_fail_cnt;
	a_sle32 ucast_rate;
} __packed;

struct rx_stats {
	__le32 pkt;
	__le32 byte;
	__le32 ucast_pkt;
	__le32 ucast_byte;
	__le32 mcast_pkt;
	__le32 mcast_byte;
	__le32 bcast_pkt;
	__le32 bcast_byte;
	__le32 frgment_pkt;

	__le32 err;
	__le32 crc_err;
	__le32 key_cache_miss;
	__le32 decrypt_err;
	__le32 dupl_frame;
	a_sle32 ucast_rate;
} __packed;

struct tkip_ccmp_stats {
	__le32 tkip_local_mic_fail;
	__le32 tkip_cnter_measures_invoked;
	__le32 tkip_replays;
	__le32 tkip_fmt_err;
	__le32 ccmp_fmt_err;
	__le32 ccmp_replays;
} __packed;

struct pm_stats {
	__le32 pwr_save_failure_cnt;
	__le16 stop_tx_failure_cnt;
	__le16 atim_tx_failure_cnt;
	__le16 atim_rx_failure_cnt;
	__le16 bcn_rx_failure_cnt;
} __packed;

struct cserv_stats {
	__le32 cs_bmiss_cnt;
	__le32 cs_low_rssi_cnt;
	__le16 cs_connect_cnt;
	__le16 cs_discon_cnt;
	a_sle16 cs_ave_beacon_rssi;
	__le16 cs_roam_count;
	a_sle16 cs_rssi;
	u8 cs_snr;
	u8 cs_ave_beacon_snr;
	u8 cs_last_roam_msec;
} __packed;

struct wlan_net_stats {
	struct tx_stats tx;
	struct rx_stats rx;
	struct tkip_ccmp_stats tkip_ccmp_stats;
} __packed;

struct arp_stats {
	__le32 arp_received;
	__le32 arp_matched;
	__le32 arp_replied;
} __packed;

struct wlan_wow_stats {
	__le32 wow_pkt_dropped;
	__le16 wow_evt_discarded;
	u8 wow_host_pkt_wakeups;
	u8 wow_host_evt_wakeups;
} __packed;

struct wmi_target_stats {
	__le32 lq_val;
	a_sle32 noise_floor_calib;
	struct pm_stats pm_stats;
	struct wlan_net_stats stats;
	struct wlan_wow_stats wow_stats;
	struct arp_stats arp_stats;
	struct cserv_stats cserv_stats;
} __packed;

/*
 * WMI_RSSI_THRESHOLD_EVENTID.
 * Indicate the RSSI events to host. Events are indicated when we breach a
 * thresold value.
 */
enum wmi_rssi_threshold_val {
	WMI_RSSI_THRESHOLD1_ABOVE = 0,
	WMI_RSSI_THRESHOLD2_ABOVE,
	WMI_RSSI_THRESHOLD3_ABOVE,
	WMI_RSSI_THRESHOLD4_ABOVE,
	WMI_RSSI_THRESHOLD5_ABOVE,
	WMI_RSSI_THRESHOLD6_ABOVE,
	WMI_RSSI_THRESHOLD1_BELOW,
	WMI_RSSI_THRESHOLD2_BELOW,
	WMI_RSSI_THRESHOLD3_BELOW,
	WMI_RSSI_THRESHOLD4_BELOW,
	WMI_RSSI_THRESHOLD5_BELOW,
	WMI_RSSI_THRESHOLD6_BELOW
};

struct wmi_rssi_threshold_event {
	a_sle16 rssi;
	u8 range;
} __packed;

enum wmi_snr_threshold_val {
	WMI_SNR_THRESHOLD1_ABOVE = 1,
	WMI_SNR_THRESHOLD1_BELOW,
	WMI_SNR_THRESHOLD2_ABOVE,
	WMI_SNR_THRESHOLD2_BELOW,
	WMI_SNR_THRESHOLD3_ABOVE,
	WMI_SNR_THRESHOLD3_BELOW,
	WMI_SNR_THRESHOLD4_ABOVE,
	WMI_SNR_THRESHOLD4_BELOW
};

struct wmi_snr_threshold_event {
	/* see, enum wmi_snr_threshold_val */
	u8 range;

	u8 snr;
} __packed;

/* WMI_REPORT_ROAM_TBL_EVENTID */
#define MAX_ROAM_TBL_CAND   5

struct wmi_bss_roam_info {
	a_sle32 roam_util;
	u8 bssid[ETH_ALEN];
	s8 rssi;
	s8 rssidt;
	s8 last_rssi;
	s8 util;
	s8 bias;

	/* for alignment */
	u8 reserved;
} __packed;

/* WMI_CAC_EVENTID */
enum cac_indication {
	CAC_INDICATION_ADMISSION = 0x00,
	CAC_INDICATION_ADMISSION_RESP = 0x01,
	CAC_INDICATION_DELETE = 0x02,
	CAC_INDICATION_NO_RESP = 0x03,
};

#define WMM_TSPEC_IE_LEN   63

struct wmi_cac_event {
	u8 ac;
	u8 cac_indication;
	u8 status_code;
	u8 tspec_suggestion[WMM_TSPEC_IE_LEN];
} __packed;

/* WMI_APLIST_EVENTID */

enum aplist_ver {
	APLIST_VER1 = 1,
};

struct wmi_ap_info_v1 {
	u8 bssid[ETH_ALEN];
	__le16 channel;
} __packed;

union wmi_ap_info {
	struct wmi_ap_info_v1 ap_info_v1;
} __packed;

struct wmi_aplist_event {
	u8 ap_list_ver;
	u8 num_ap;
	union wmi_ap_info ap_list[1];
} __packed;

/* Developer Commands */

/*
 * WMI_SET_BITRATE_CMDID
 *
 * Get bit rate cmd uses same definition as set bit rate cmd
 */
enum wmi_bit_rate {
	RATE_AUTO = -1,
	RATE_1Mb = 0,
	RATE_2Mb = 1,
	RATE_5_5Mb = 2,
	RATE_11Mb = 3,
	RATE_6Mb = 4,
	RATE_9Mb = 5,
	RATE_12Mb = 6,
	RATE_18Mb = 7,
	RATE_24Mb = 8,
	RATE_36Mb = 9,
	RATE_48Mb = 10,
	RATE_54Mb = 11,
	RATE_MCS_0_20 = 12,
	RATE_MCS_1_20 = 13,
	RATE_MCS_2_20 = 14,
	RATE_MCS_3_20 = 15,
	RATE_MCS_4_20 = 16,
	RATE_MCS_5_20 = 17,
	RATE_MCS_6_20 = 18,
	RATE_MCS_7_20 = 19,
	RATE_MCS_0_40 = 20,
	RATE_MCS_1_40 = 21,
	RATE_MCS_2_40 = 22,
	RATE_MCS_3_40 = 23,
	RATE_MCS_4_40 = 24,
	RATE_MCS_5_40 = 25,
	RATE_MCS_6_40 = 26,
	RATE_MCS_7_40 = 27,
};

struct wmi_bit_rate_reply {
	/* see, enum wmi_bit_rate */
	s8 rate_index;
} __packed;

/*
 * WMI_SET_FIXRATES_CMDID
 *
 * Get fix rates cmd uses same definition as set fix rates cmd
 */
struct wmi_fix_rates_reply {
	/* see wmi_bit_rate */
	__le32 fix_rate_mask;
} __packed;

enum roam_data_type {
	/* get the roam time data */
	ROAM_DATA_TIME = 1,
};

struct wmi_target_roam_time {
	__le32 disassoc_time;
	__le32 no_txrx_time;
	__le32 assoc_time;
	__le32 allow_txrx_time;
	u8 disassoc_bssid[ETH_ALEN];
	s8 disassoc_bss_rssi;
	u8 assoc_bssid[ETH_ALEN];
	s8 assoc_bss_rssi;
} __packed;

enum wmi_txop_cfg {
	WMI_TXOP_DISABLED = 0,
	WMI_TXOP_ENABLED
};

struct wmi_set_wmm_txop_cmd {
	u8 txop_enable;
} __packed;

struct wmi_set_keepalive_cmd {
	u8 keep_alive_intvl;
} __packed;

struct wmi_get_keepalive_cmd {
	__le32 configured;
	u8 keep_alive_intvl;
} __packed;

/* Notify the WSC registration status to the target */
#define WSC_REG_ACTIVE     1
#define WSC_REG_INACTIVE   0

#define WOW_MAX_FILTER_LISTS	 1
#define WOW_MAX_FILTERS_PER_LIST 4
#define WOW_PATTERN_SIZE	 64
#define WOW_MASK_SIZE		 64

#define MAC_MAX_FILTERS_PER_LIST 4

struct wow_filter {
	u8 wow_valid_filter;
	u8 wow_filter_id;
	u8 wow_filter_size;
	u8 wow_filter_offset;
	u8 wow_filter_mask[WOW_MASK_SIZE];
	u8 wow_filter_pattern[WOW_PATTERN_SIZE];
} __packed;

#define MAX_IP_ADDRS  2

struct wmi_set_ip_cmd {
	/* IP in network byte order */
	__le32 ips[MAX_IP_ADDRS];
} __packed;

/* WMI_GET_WOW_LIST_CMD reply  */
struct wmi_get_wow_list_reply {
	/* number of patterns in reply */
	u8 num_filters;

	/* this is filter # x of total num_filters */
	u8 this_filter_num;

	u8 wow_mode;
	u8 host_mode;
	struct wow_filter wow_filters[1];
} __packed;

/* WMI_SET_AKMP_PARAMS_CMD */

struct wmi_pmkid {
	u8 pmkid[WMI_PMKID_LEN];
} __packed;

/* WMI_GET_PMKID_LIST_CMD  Reply */
struct wmi_pmkid_list_reply {
	__le32 num_pmkid;
	u8 bssid_list[ETH_ALEN][1];
	struct wmi_pmkid pmkid_list[1];
} __packed;

/* WMI_ADDBA_REQ_EVENTID */
struct wmi_addba_req_event {
	u8 tid;
	u8 win_sz;
	__le16 st_seq_no;

	/* f/w response for ADDBA Req; OK (0) or failure (!=0) */
	u8 status;
} __packed;

/* WMI_ADDBA_RESP_EVENTID */
struct wmi_addba_resp_event {
	u8 tid;

	/* OK (0), failure (!=0) */
	u8 status;

	/* three values: not supported(0), 3839, 8k */
	__le16 amsdu_sz;
} __packed;

/* WMI_DELBA_EVENTID
 * f/w received a DELBA for peer and processed it.
 * Host is notified of this
 */
struct wmi_delba_event {
	u8 tid;
	u8 is_peer_initiator;
	__le16 reason_code;
} __packed;

#define PEER_NODE_JOIN_EVENT		0x00
#define PEER_NODE_LEAVE_EVENT		0x01
#define PEER_FIRST_NODE_JOIN_EVENT	0x10
#define PEER_LAST_NODE_LEAVE_EVENT	0x11

struct wmi_peer_node_event {
	u8 event_code;
	u8 peer_mac_addr[ETH_ALEN];
} __packed;

/* Transmit complete event data structure(s) */

/* version 1 of tx complete msg */
struct tx_complete_msg_v1 {
#define TX_COMPLETE_STATUS_SUCCESS 0
#define TX_COMPLETE_STATUS_RETRIES 1
#define TX_COMPLETE_STATUS_NOLINK  2
#define TX_COMPLETE_STATUS_TIMEOUT 3
#define TX_COMPLETE_STATUS_OTHER   4

	u8 status;

	/* packet ID to identify parent packet */
	u8 pkt_id;

	/* rate index on successful transmission */
	u8 rate_idx;

	/* number of ACK failures in tx attempt */
	u8 ack_failures;
} __packed;

struct wmi_tx_complete_event {
	/* no of tx comp msgs following this struct */
	u8 num_msg;

	/* length in bytes for each individual msg following this struct */
	u8 msg_len;

	/* version of tx complete msg data following this struct */
	u8 msg_type;

	/* individual messages follow this header */
	u8 reserved;
} __packed;

/*
 * ------- AP Mode definitions --------------
 */

/*
 * !!! Warning !!!
 * -Changing the following values needs compilation of both driver and firmware
 */
#define AP_MAX_NUM_STA          8

/* Spl. AID used to set DTIM flag in the beacons */
#define MCAST_AID               0xFF

#define DEF_AP_COUNTRY_CODE     "US "

/* Used with WMI_AP_SET_NUM_STA_CMDID */

struct wmi_ap_set_pvb_cmd {
	__le32 flag;
	__le16 aid;
} __packed;

struct wmi_rx_frame_format_cmd {
	/* version of meta data for rx packets <0 = default> (0-7 = valid) */
	u8 meta_ver;

	/*
	 * 1 == leave .11 header intact,
	 * 0 == replace .11 header with .3 <default>
	 */
	u8 dot11_hdr;

	/*
	 * 1 == defragmentation is performed by host,
	 * 0 == performed by target <default>
	 */
	u8 defrag_on_host;

	/* for alignment */
	u8 reserved[1];
} __packed;

/* AP mode events */

/* WMI_PS_POLL_EVENT */
struct wmi_pspoll_event {
	__le16 aid;
} __packed;

struct wmi_per_sta_stat {
	__le32 tx_bytes;
	__le32 tx_pkts;
	__le32 tx_error;
	__le32 tx_discard;
	__le32 rx_bytes;
	__le32 rx_pkts;
	__le32 rx_error;
	__le32 rx_discard;
	__le32 aid;
} __packed;

struct wmi_ap_mode_stat {
	__le32 action;
	struct wmi_per_sta_stat sta[AP_MAX_NUM_STA + 1];
} __packed;

/* End of AP mode definitions */

/* Extended WMI (WMIX)
 *
 * Extended WMIX commands are encapsulated in a WMI message with
 * cmd=WMI_EXTENSION_CMD.
 *
 * Extended WMI commands are those that are needed during wireless
 * operation, but which are not really wireless commands.  This allows,
 * for instance, platform-specific commands.  Extended WMI commands are
 * embedded in a WMI command message with WMI_COMMAND_ID=WMI_EXTENSION_CMDID.
 * Extended WMI events are similarly embedded in a WMI event message with
 * WMI_EVENT_ID=WMI_EXTENSION_EVENTID.
 */
struct wmix_cmd_hdr {
	__le32 cmd_id;
} __packed;

enum wmix_command_id {
	WMIX_DSETOPEN_REPLY_CMDID = 0x2001,
	WMIX_DSETDATA_REPLY_CMDID,
	WMIX_GPIO_OUTPUT_SET_CMDID,
	WMIX_GPIO_INPUT_GET_CMDID,
	WMIX_GPIO_REGISTER_SET_CMDID,
	WMIX_GPIO_REGISTER_GET_CMDID,
	WMIX_GPIO_INTR_ACK_CMDID,
	WMIX_HB_CHALLENGE_RESP_CMDID,
	WMIX_DBGLOG_CFG_MODULE_CMDID,
	WMIX_PROF_CFG_CMDID,	/* 0x200a */
	WMIX_PROF_ADDR_SET_CMDID,
	WMIX_PROF_START_CMDID,
	WMIX_PROF_STOP_CMDID,
	WMIX_PROF_COUNT_GET_CMDID,
};

enum wmix_event_id {
	WMIX_DSETOPENREQ_EVENTID = 0x3001,
	WMIX_DSETCLOSE_EVENTID,
	WMIX_DSETDATAREQ_EVENTID,
	WMIX_GPIO_INTR_EVENTID,
	WMIX_GPIO_DATA_EVENTID,
	WMIX_GPIO_ACK_EVENTID,
	WMIX_HB_CHALLENGE_RESP_EVENTID,
	WMIX_DBGLOG_EVENTID,
	WMIX_PROF_COUNT_EVENTID,
};

/*
 * ------Error Detection support-------
 */

/*
 * WMIX_HB_CHALLENGE_RESP_CMDID
 * Heartbeat Challenge Response command
 */
struct wmix_hb_challenge_resp_cmd {
	__le32 cookie;
	__le32 source;
} __packed;

/* End of Extended WMI (WMIX) */

enum wmi_sync_flag {
	NO_SYNC_WMIFLAG = 0,

	/* transmit all queued data before cmd */
	SYNC_BEFORE_WMIFLAG,

	/* any new data waits until cmd execs */
	SYNC_AFTER_WMIFLAG,

	SYNC_BOTH_WMIFLAG,

	/* end marker */
	END_WMIFLAG
};

enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi);
void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id);
int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb);
int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
			    u8 msg_type, bool more_data,
			    enum wmi_data_hdr_data_type data_type,
			    u8 meta_ver, void *tx_meta_info);

int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb);
int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb);
int ath6kl_wmi_data_hdr_remove(struct wmi *wmi, struct sk_buff *skb);
int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, struct sk_buff *skb,
				       u32 layer2_priority, bool wmm_enabled,
				       u8 *ac);

int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb);
void ath6kl_wmi_iterate_nodes(struct wmi *wmi,
			      void (*f) (void *arg, struct bss *),
			      void *arg);
struct bss *ath6kl_wmi_find_node(struct wmi *wmi, const u8 *mac_addr);
void ath6kl_wmi_node_free(struct wmi *wmi, const u8 *mac_addr);

int ath6kl_wmi_cmd_send(struct wmi *wmi, struct sk_buff *skb,
			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag);

int ath6kl_wmi_connect_cmd(struct wmi *wmi, enum network_type nw_type,
			   enum dot11_auth_mode dot11_auth_mode,
			   enum auth_mode auth_mode,
			   enum crypto_type pairwise_crypto,
			   u8 pairwise_crypto_len,
			   enum crypto_type group_crypto,
			   u8 group_crypto_len, int ssid_len, u8 *ssid,
			   u8 *bssid, u16 channel, u32 ctrl_flags);

int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 *bssid, u16 channel);
int ath6kl_wmi_disconnect_cmd(struct wmi *wmi);
int ath6kl_wmi_startscan_cmd(struct wmi *wmi, enum wmi_scan_type scan_type,
			     u32 force_fgscan, u32 is_legacy,
			     u32 home_dwell_time, u32 force_scan_interval,
			     s8 num_chan, u16 *ch_list);
int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u16 fg_start_sec,
			      u16 fg_end_sec, u16 bg_sec,
			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
			      u16 pas_chdw_msec, u8 short_scan_ratio,
			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
			      u16 maxact_scan_per_ssid);
int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 filter, u32 ie_mask);
int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 index, u8 flag,
			      u8 ssid_len, u8 *ssid);
int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u16 listen_interval,
				  u16 listen_beacons);
int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 pwr_mode);
int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u16 idle_period,
			    u16 ps_poll_num, u16 dtim_policy,
			    u16 tx_wakup_policy, u16 num_tx_to_wakeup,
			    u16 ps_fail_event_policy);
int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 timeout);
int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi,
				  struct wmi_create_pstream_cmd *pstream);
int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 traffic_class, u8 tsid);

int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold);
int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 status,
				 u8 preamble_policy);

int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source);

int ath6kl_wmi_get_stats_cmd(struct wmi *wmi);
int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 key_index,
			  enum crypto_type key_type,
			  u8 key_usage, u8 key_len,
			  u8 *key_rsc, u8 *key_material,
			  u8 key_op_ctrl, u8 *mac_addr,
			  enum wmi_sync_flag sync_flag);
int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 *krk);
int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 key_index);
int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, const u8 *bssid,
			    const u8 *pmkid, bool set);
int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 dbM);
int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi);
void ath6kl_wmi_get_current_bssid(struct wmi *wmi, u8 *bssid);

int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, enum wmi_txop_cfg cfg);
int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 keep_alive_intvl);

s32 ath6kl_wmi_get_rate(s8 rate_index);

int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd);

struct bss *ath6kl_wmi_find_ssid_node(struct wmi *wmi, u8 *ssid,
				      u32 ssid_len, bool is_wpa2,
				      bool match_ssid);

void ath6kl_wmi_node_return(struct wmi *wmi, struct bss *bss);

/* AP mode */
int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u16 aid, bool flag);

int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 rx_meta_version,
				       bool rx_dot11_hdr, bool defrag_on_host);

void *ath6kl_wmi_init(void *devt);
void ath6kl_wmi_shutdown(struct wmi *wmi);

#endif /* WMI_H */