wmi.h 43.8 KB
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/*
 * 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;
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	struct ath6kl *parent_dev;
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	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 */
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