/*
 * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, 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 was originally distributed by Qualcomm Atheros, Inc.
 * under proprietary terms before Copyright ownership was assigned
 * to the Linux Foundation.
 */

#ifndef CDS_COMMON__IEEE80211_I_H_
#define CDS_COMMON__IEEE80211_I_H_

/* These defines should match the table from ah_internal.h */
typedef enum {
	DFS_UNINIT_DOMAIN = 0,  /* Uninitialized dfs domain */
	DFS_FCC_DOMAIN = 1,     /* FCC3 dfs domain */
	DFS_ETSI_DOMAIN = 2,    /* ETSI dfs domain */
	DFS_MKK4_DOMAIN = 3     /* Japan dfs domain */
} HAL_DFS_DOMAIN;

/* XXX not really a mode; there are really multiple PHY's */
enum ieee80211_phymode {
	IEEE80211_MODE_AUTO = 0,        /* autoselect */
	IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
	IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
	IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
	IEEE80211_MODE_FH = 4,  /* 2GHz, GFSK */
	IEEE80211_MODE_TURBO_A = 5,     /* 5GHz, OFDM, 2x clock dynamic turbo */
	IEEE80211_MODE_TURBO_G = 6,     /* 2GHz, OFDM, 2x clock dynamic turbo */
	IEEE80211_MODE_11NA_HT20 = 7,   /* 5Ghz, HT20 */
	IEEE80211_MODE_11NG_HT20 = 8,   /* 2Ghz, HT20 */
	IEEE80211_MODE_11NA_HT40PLUS = 9,       /* 5Ghz, HT40 (ext ch +1) */
	IEEE80211_MODE_11NA_HT40MINUS = 10,     /* 5Ghz, HT40 (ext ch -1) */
	IEEE80211_MODE_11NG_HT40PLUS = 11,      /* 2Ghz, HT40 (ext ch +1) */
	IEEE80211_MODE_11NG_HT40MINUS = 12,     /* 2Ghz, HT40 (ext ch -1) */
	IEEE80211_MODE_11NG_HT40 = 13,  /* 2Ghz, Auto HT40 */
	IEEE80211_MODE_11NA_HT40 = 14,  /* 2Ghz, Auto HT40 */
	IEEE80211_MODE_11AC_VHT20 = 15, /* 5Ghz, VHT20 */
	IEEE80211_MODE_11AC_VHT40PLUS = 16,     /* 5Ghz, VHT40 (Ext ch +1) */
	IEEE80211_MODE_11AC_VHT40MINUS = 17,    /* 5Ghz  VHT40 (Ext ch -1) */
	IEEE80211_MODE_11AC_VHT40 = 18, /* 5Ghz, VHT40 */
	IEEE80211_MODE_11AC_VHT80 = 19, /* 5Ghz, VHT80 */
	IEEE80211_MODE_2G_AUTO = 20,    /* 2G 11 b/g/n  autoselect */
	IEEE80211_MODE_5G_AUTO = 21,    /* 5G 11 a/n/ac autoselect */
	IEEE80211_MODE_11AGN = 22,   /* Support 11N in both 2G and 5G */
};
#define IEEE80211_MODE_MAX      (IEEE80211_MODE_11AC_VHT80 + 1)

enum ieee80211_opmode {
	IEEE80211_M_STA = 1,    /* infrastructure station */
	IEEE80211_M_IBSS = 0,   /* IBSS (adhoc) station */
	IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
	IEEE80211_M_HOSTAP = 6, /* Software Access Point */
	IEEE80211_M_MONITOR = 8,        /* Monitor mode */
	IEEE80211_M_WDS = 2,    /* WDS link */
	IEEE80211_M_BTAMP = 9,  /* VAP for BT AMP */

	IEEE80211_M_P2P_GO = 33,        /* P2P GO */
	IEEE80211_M_P2P_CLIENT = 34,    /* P2P Client */
	IEEE80211_M_P2P_DEVICE = 35,    /* P2P Device */

	IEEE80211_OPMODE_MAX = IEEE80211_M_BTAMP,       /* Highest numbered opmode in the list */

	IEEE80211_M_ANY = 0xFF  /* Any of the above; used by NDIS 6.x */
};

/*
 * 802.11n
 */
#define IEEE80211_CWM_EXTCH_BUSY_THRESHOLD 30

enum ieee80211_cwm_mode {
	IEEE80211_CWM_MODE20,
	IEEE80211_CWM_MODE2040,
	IEEE80211_CWM_MODE40,
	IEEE80211_CWM_MODEMAX
};

enum ieee80211_cwm_extprotspacing {
	IEEE80211_CWM_EXTPROTSPACING20,
	IEEE80211_CWM_EXTPROTSPACING25,
	IEEE80211_CWM_EXTPROTSPACINGMAX
};

enum ieee80211_cwm_width {
	IEEE80211_CWM_WIDTH20,
	IEEE80211_CWM_WIDTH40,
	IEEE80211_CWM_WIDTH80,
	IEEE80211_CWM_WIDTHINVALID = 0xff       /* user invalid value */
};

enum ieee80211_cwm_extprotmode {
	IEEE80211_CWM_EXTPROTNONE,      /* no protection */
	IEEE80211_CWM_EXTPROTCTSONLY,   /* CTS to self */
	IEEE80211_CWM_EXTPROTRTSCTS,    /* RTS-CTS */
	IEEE80211_CWM_EXTPROTMAX
};

enum ieee80211_fixed_rate_mode {
	IEEE80211_FIXED_RATE_NONE = 0,
	IEEE80211_FIXED_RATE_MCS = 1,   /* HT rates */
	IEEE80211_FIXED_RATE_LEGACY = 2,        /* legacy rates */
	IEEE80211_FIXED_RATE_VHT = 3    /* VHT rates */
};

/* Holds the fixed rate information for each VAP */
struct ieee80211_fixed_rate {
	enum ieee80211_fixed_rate_mode mode;
	uint32_t series;
	uint32_t retries;
};

/*
 * 802.11g protection mode.
 */
enum ieee80211_protmode {
	IEEE80211_PROT_NONE = 0,        /* no protection */
	IEEE80211_PROT_CTSONLY = 1,     /* CTS to self */
	IEEE80211_PROT_RTSCTS = 2,      /* RTS-CTS */
};

/*
 * Roaming mode is effectively who controls the operation
 * of the 802.11 state machine when operating as a station.
 * State transitions are controlled either by the driver
 * (typically when management frames are processed by the
 * hardware/firmware), the host (auto/normal operation of
 * the 802.11 layer), or explicitly through ioctl requests
 * when applications like wpa_supplicant want control.
 */
enum ieee80211_roamingmode {
	IEEE80211_ROAMING_DEVICE = 0,   /* driver/hardware control */
	IEEE80211_ROAMING_AUTO = 1,     /* 802.11 layer control */
	IEEE80211_ROAMING_MANUAL = 2,   /* application control */
};

/*
 * Scanning mode controls station scanning work; this is
 * used only when roaming mode permits the host to select
 * the bss to join/channel to use.
 */
enum ieee80211_scanmode {
	IEEE80211_SCAN_DEVICE = 0,      /* driver/hardware control */
	IEEE80211_SCAN_BEST = 1,        /* 802.11 layer selects best */
	IEEE80211_SCAN_FIRST = 2,       /* take first suitable candidate */
};

#define IEEE80211_NWID_LEN      32
#define IEEE80211_CHAN_MAX      255
#define IEEE80211_CHAN_BYTES    32      /* howmany(IEEE80211_CHAN_MAX, NBBY) */
#define IEEE80211_CHAN_ANY      (-1)    /* token for ``any channel'' */
#define IEEE80211_CHAN_ANYC \
	((struct ieee80211_channel *) IEEE80211_CHAN_ANY)

#define IEEE80211_CHAN_DEFAULT          11
#define IEEE80211_CHAN_DEFAULT_11A      52
#define IEEE80211_CHAN_ADHOC_DEFAULT1   10
#define IEEE80211_CHAN_ADHOC_DEFAULT2   11

#define IEEE80211_RADAR_11HCOUNT        5
#define IEEE80211_RADAR_TEST_MUTE_CHAN_11A      36      /* Move to channel 36 for mute test */
#define IEEE80211_RADAR_TEST_MUTE_CHAN_11NHT20  36
#define IEEE80211_RADAR_TEST_MUTE_CHAN_11NHT40U 36
#define IEEE80211_RADAR_TEST_MUTE_CHAN_11NHT40D 40      /* Move to channel 40 for HT40D mute test */
#define IEEE80211_RADAR_DETECT_DEFAULT_DELAY    60000   /* STA ignore AP beacons during this period in millisecond */

#define IEEE80211_2GCSA_TBTTCOUNT        3

/* bits 0-3 are for private use by drivers */
/* channel attributes */
#define IEEE80211_CHAN_TURBO            0x00000010      /* Turbo channel */
#define IEEE80211_CHAN_CCK              0x00000020      /* CCK channel */
#define IEEE80211_CHAN_OFDM             0x00000040      /* OFDM channel */
#define IEEE80211_CHAN_2GHZ             0x00000080      /* 2 GHz spectrum channel. */
#define IEEE80211_CHAN_5GHZ             0x00000100      /* 5 GHz spectrum channel */
#define IEEE80211_CHAN_PASSIVE          0x00000200      /* Only passive scan allowed */
#define IEEE80211_CHAN_DYN              0x00000400      /* Dynamic CCK-OFDM channel */
#define IEEE80211_CHAN_GFSK             0x00000800      /* GFSK channel (FHSS PHY) */
#define IEEE80211_CHAN_RADAR_DFS        0x00001000      /* Radar found on channel */
#define IEEE80211_CHAN_STURBO           0x00002000      /* 11a static turbo channel only */
#define IEEE80211_CHAN_HALF             0x00004000      /* Half rate channel */
#define IEEE80211_CHAN_QUARTER          0x00008000      /* Quarter rate channel */
#define IEEE80211_CHAN_HT20             0x00010000      /* HT 20 channel */
#define IEEE80211_CHAN_HT40PLUS         0x00020000      /* HT 40 with extension channel above */
#define IEEE80211_CHAN_HT40MINUS        0x00040000      /* HT 40 with extension channel below */
#define IEEE80211_CHAN_HT40INTOL        0x00080000      /* HT 40 Intolerant */
#define IEEE80211_CHAN_VHT20            0x00100000      /* VHT 20 channel */
#define IEEE80211_CHAN_VHT40PLUS        0x00200000      /* VHT 40 with extension channel above */
#define IEEE80211_CHAN_VHT40MINUS       0x00400000      /* VHT 40 with extension channel below */
#define IEEE80211_CHAN_VHT80            0x00800000      /* VHT 80 channel */

/* flagext */
#define IEEE80211_CHAN_RADAR_FOUND    0x01
#define IEEE80211_CHAN_DFS              0x0002  /* DFS required on channel */
#define IEEE80211_CHAN_DFS_CLEAR        0x0008  /* if channel has been checked for DFS */
#define IEEE80211_CHAN_11D_EXCLUDED     0x0010  /* excluded in 11D */
#define IEEE80211_CHAN_CSA_RECEIVED     0x0020  /* Channel Switch Announcement received on this channel */
#define IEEE80211_CHAN_DISALLOW_ADHOC   0x0040  /* ad-hoc is not allowed */
#define IEEE80211_CHAN_DISALLOW_HOSTAP  0x0080  /* Station only channel */

/*
 * Useful combinations of channel characteristics.
 */
#define IEEE80211_CHAN_FHSS \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
#define IEEE80211_CHAN_A \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_B \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
#define IEEE80211_CHAN_PUREG \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_G \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
#define IEEE80211_CHAN_108A \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
#define IEEE80211_CHAN_108G \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
#define IEEE80211_CHAN_ST \
	(IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO)

#define IEEE80211_IS_CHAN_11AC_2G(_c) \
	(IEEE80211_IS_CHAN_2GHZ((_c)) && IEEE80211_IS_CHAN_VHT((_c)))
#define IEEE80211_CHAN_11AC_VHT20_2G \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_VHT20)
#define IEEE80211_CHAN_11AC_VHT40_2G \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_VHT40PLUS | IEEE80211_CHAN_VHT40MINUS)
#define IEEE80211_CHAN_11AC_VHT80_2G \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_VHT80)

#define IEEE80211_IS_CHAN_11AC_VHT20_2G(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT20_2G) == IEEE80211_CHAN_11AC_VHT20_2G)
#define IEEE80211_IS_CHAN_11AC_VHT40_2G(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT40_2G) != 0)
#define IEEE80211_IS_CHAN_11AC_VHT80_2G(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT80_2G) == IEEE80211_CHAN_11AC_VHT80_2G)

#define IEEE80211_CHAN_11NG_HT20 \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_HT20)
#define IEEE80211_CHAN_11NA_HT20 \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_HT20)
#define IEEE80211_CHAN_11NG_HT40PLUS \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_HT40PLUS)
#define IEEE80211_CHAN_11NG_HT40MINUS \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_HT40MINUS)
#define IEEE80211_CHAN_11NA_HT40PLUS \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_HT40PLUS)
#define IEEE80211_CHAN_11NA_HT40MINUS \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_HT40MINUS)

#define IEEE80211_CHAN_ALL \
	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
	 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \
	 IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40PLUS | IEEE80211_CHAN_HT40MINUS | \
	 IEEE80211_CHAN_VHT20 | IEEE80211_CHAN_VHT40PLUS | IEEE80211_CHAN_VHT40MINUS | IEEE80211_CHAN_VHT80 | \
	 IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)
#define IEEE80211_CHAN_ALLTURBO	\
	(IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)

#define IEEE80211_IS_CHAN_FHSS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
#define IEEE80211_IS_CHAN_A(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
#define IEEE80211_IS_CHAN_B(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
#define IEEE80211_IS_CHAN_PUREG(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
#define IEEE80211_IS_CHAN_G(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
#define IEEE80211_IS_CHAN_ANYG(_c) \
	(IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c))
#define IEEE80211_IS_CHAN_ST(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)
#define IEEE80211_IS_CHAN_108A(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)
#define IEEE80211_IS_CHAN_108G(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)

#define IEEE80211_IS_CHAN_2GHZ(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
#define IEEE80211_IS_CHAN_5GHZ(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
#define IEEE80211_IS_CHAN_OFDM(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
#define IEEE80211_IS_CHAN_CCK(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
#define IEEE80211_IS_CHAN_GFSK(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
#define IEEE80211_IS_CHAN_TURBO(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0)
#define IEEE80211_IS_CHAN_WEATHER_RADAR(_c) \
	((((_c)->ic_freq >= 5600) && ((_c)->ic_freq <= 5650)) \
	 || (((_c)->ic_flags & IEEE80211_CHAN_HT40PLUS) && (5580 == (_c)->ic_freq)))
#define IEEE80211_IS_CHAN_STURBO(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0)
#define IEEE80211_IS_CHAN_DTURBO(_c) \
	(((_c)->ic_flags & \
	  (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO)
#define IEEE80211_IS_CHAN_HALF(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0)
#define IEEE80211_IS_CHAN_QUARTER(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0)
#define IEEE80211_IS_CHAN_PASSIVE(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0)

#define IEEE80211_IS_CHAN_DFS(_c) \
	(((_c)->ic_flagext & (IEEE80211_CHAN_DFS|IEEE80211_CHAN_DFS_CLEAR)) == IEEE80211_CHAN_DFS)
#define IEEE80211_IS_CHAN_DFSFLAG(_c) \
	(((_c)->ic_flagext & IEEE80211_CHAN_DFS) == IEEE80211_CHAN_DFS)
#define IEEE80211_IS_CHAN_DISALLOW_ADHOC(_c) \
	(((_c)->ic_flagext & IEEE80211_CHAN_DISALLOW_ADHOC) != 0)
#define IEEE80211_IS_CHAN_11D_EXCLUDED(_c) \
	(((_c)->ic_flagext & IEEE80211_CHAN_11D_EXCLUDED) != 0)
#define IEEE80211_IS_CHAN_CSA(_c) \
	(((_c)->ic_flagext & IEEE80211_CHAN_CSA_RECEIVED) != 0)
#define IEEE80211_IS_CHAN_ODD(_c) \
	(((_c)->ic_freq == 5170) || ((_c)->ic_freq == 5190) || \
	 ((_c)->ic_freq == 5210) || ((_c)->ic_freq == 5230))
#define IEEE80211_IS_CHAN_DISALLOW_HOSTAP(_c) \
	(((_c)->ic_flagext & IEEE80211_CHAN_DISALLOW_HOSTAP) != 0)

#define IEEE80211_IS_CHAN_11NG_HT20(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_11NG_HT20) == IEEE80211_CHAN_11NG_HT20)
#define IEEE80211_IS_CHAN_11NA_HT20(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_11NA_HT20) == IEEE80211_CHAN_11NA_HT20)
#define IEEE80211_IS_CHAN_11NG_HT40PLUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11NG_HT40PLUS) == IEEE80211_CHAN_11NG_HT40PLUS)
#define IEEE80211_IS_CHAN_11NG_HT40MINUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11NG_HT40MINUS) == IEEE80211_CHAN_11NG_HT40MINUS)
#define IEEE80211_IS_CHAN_11NA_HT40PLUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11NA_HT40PLUS) == IEEE80211_CHAN_11NA_HT40PLUS)
#define IEEE80211_IS_CHAN_11NA_HT40MINUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11NA_HT40MINUS) == IEEE80211_CHAN_11NA_HT40MINUS)

#define IEEE80211_IS_CHAN_11N(_c) \
	(((_c)->ic_flags & (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40PLUS | IEEE80211_CHAN_HT40MINUS)) != 0)
#define IEEE80211_IS_CHAN_11N_HT20(_c) \
	(((_c)->ic_flags & (IEEE80211_CHAN_HT20)) != 0)
#define IEEE80211_IS_CHAN_11N_HT40(_c) \
	(((_c)->ic_flags & (IEEE80211_CHAN_HT40PLUS | IEEE80211_CHAN_HT40MINUS)) != 0)
#define IEEE80211_IS_CHAN_11NG(_c) \
	(IEEE80211_IS_CHAN_2GHZ((_c)) && IEEE80211_IS_CHAN_11N((_c)))
#define IEEE80211_IS_CHAN_11NA(_c) \
	(IEEE80211_IS_CHAN_5GHZ((_c)) && IEEE80211_IS_CHAN_11N((_c)))
#define IEEE80211_IS_CHAN_11N_HT40PLUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_HT40PLUS) != 0)
#define IEEE80211_IS_CHAN_11N_HT40MINUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_HT40MINUS) != 0)

#define IEEE80211_IS_CHAN_HT20_CAPABLE(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_HT20) == IEEE80211_CHAN_HT20)
#define IEEE80211_IS_CHAN_HT40PLUS_CAPABLE(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_HT40PLUS) == IEEE80211_CHAN_HT40PLUS)
#define IEEE80211_IS_CHAN_HT40MINUS_CAPABLE(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_HT40MINUS) == IEEE80211_CHAN_HT40MINUS)
#define IEEE80211_IS_CHAN_HT40_CAPABLE(_c) \
	(IEEE80211_IS_CHAN_HT40PLUS_CAPABLE(_c) || IEEE80211_IS_CHAN_HT40MINUS_CAPABLE(_c))
#define IEEE80211_IS_CHAN_HT_CAPABLE(_c) \
	(IEEE80211_IS_CHAN_HT20_CAPABLE(_c) || IEEE80211_IS_CHAN_HT40_CAPABLE(_c))
#define IEEE80211_IS_CHAN_11N_CTL_CAPABLE(_c)  IEEE80211_IS_CHAN_HT20_CAPABLE(_c)
#define IEEE80211_IS_CHAN_11N_CTL_U_CAPABLE(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_HT40PLUS) == IEEE80211_CHAN_HT40PLUS)
#define IEEE80211_IS_CHAN_11N_CTL_L_CAPABLE(_c)	\
	(((_c)->ic_flags & IEEE80211_CHAN_HT40MINUS) == IEEE80211_CHAN_HT40MINUS)
#define IEEE80211_IS_CHAN_11N_CTL_40_CAPABLE(_c) \
	(IEEE80211_IS_CHAN_11N_CTL_U_CAPABLE((_c)) || IEEE80211_IS_CHAN_11N_CTL_L_CAPABLE((_c)))

#define IEEE80211_IS_CHAN_VHT(_c) \
	(((_c)->ic_flags & (IEEE80211_CHAN_VHT20 | \
			    IEEE80211_CHAN_VHT40PLUS | IEEE80211_CHAN_VHT40MINUS | IEEE80211_CHAN_VHT80)) != 0)
#define IEEE80211_IS_CHAN_11AC(_c) \
	( IEEE80211_IS_CHAN_5GHZ((_c)) && IEEE80211_IS_CHAN_VHT((_c)) )
#define IEEE80211_CHAN_11AC_VHT20 \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT20)
#define IEEE80211_CHAN_11AC_VHT40 \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT40PLUS | IEEE80211_CHAN_VHT40MINUS )
#define IEEE80211_CHAN_11AC_VHT40PLUS \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT40PLUS)
#define IEEE80211_CHAN_11AC_VHT40MINUS \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT40MINUS)
#define IEEE80211_CHAN_11AC_VHT80 \
	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_VHT80)
#define IEEE80211_IS_CHAN_11AC_VHT20(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT20) == IEEE80211_CHAN_11AC_VHT20)

#define IEEE80211_IS_CHAN_11AC_VHT40(_c) \
	(((_c)->ic_flags & (IEEE80211_CHAN_VHT40PLUS | IEEE80211_CHAN_VHT40MINUS)) !=0)
#define IEEE80211_IS_CHAN_11AC_VHT40PLUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT40PLUS) == IEEE80211_CHAN_11AC_VHT40PLUS)
#define IEEE80211_IS_CHAN_11AC_VHT40MINUS(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT40MINUS) == IEEE80211_CHAN_11AC_VHT40MINUS)
#define IEEE80211_IS_CHAN_11AC_VHT80(_c) \
	(((_c)->ic_flags & IEEE80211_CHAN_11AC_VHT80) == IEEE80211_CHAN_11AC_VHT80)

#define IEEE80211_IS_CHAN_RADAR(_c)    \
	(((_c)->ic_flags & IEEE80211_CHAN_RADAR_DFS) == IEEE80211_CHAN_RADAR_DFS)
#define IEEE80211_CHAN_SET_RADAR(_c)	\
	((_c)->ic_flags |= IEEE80211_CHAN_RADAR_DFS)
#define IEEE80211_CHAN_CLR_RADAR(_c)	\
	((_c)->ic_flags &= ~IEEE80211_CHAN_RADAR_DFS)
#define IEEE80211_CHAN_SET_DISALLOW_ADHOC(_c)	\
	((_c)->ic_flagext |= IEEE80211_CHAN_DISALLOW_ADHOC)
#define IEEE80211_CHAN_SET_DISALLOW_HOSTAP(_c)	 \
	((_c)->ic_flagext |= IEEE80211_CHAN_DISALLOW_HOSTAP)
#define IEEE80211_CHAN_SET_DFS(_c)  \
	((_c)->ic_flagext |= IEEE80211_CHAN_DFS)
#define IEEE80211_CHAN_SET_DFS_CLEAR(_c)  \
	((_c)->ic_flagext |= IEEE80211_CHAN_DFS_CLEAR)
#define IEEE80211_CHAN_EXCLUDE_11D(_c)	\
	((_c)->ic_flagext |= IEEE80211_CHAN_11D_EXCLUDED)

/* channel encoding for FH phy */
#define IEEE80211_FH_CHANMOD            80
#define IEEE80211_FH_CHAN(set,pat)      (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
#define IEEE80211_FH_CHANSET(chan)      ((chan)/IEEE80211_FH_CHANMOD+1)
#define IEEE80211_FH_CHANPAT(chan)      ((chan)%IEEE80211_FH_CHANMOD)

/*
 * 802.11 rate set.
 */
#define IEEE80211_RATE_SIZE     8       /* 802.11 standard */
#define IEEE80211_RATE_MAXSIZE  36      /* max rates we'll handle */
#define IEEE80211_HT_RATE_SIZE  128
#define IEEE80211_RATE_SINGLE_STREAM_MCS_MAX     7      /* MCS7 */

#define IEEE80211_RATE_MCS      0x8000
#define IEEE80211_RATE_MCS_VAL  0x7FFF

#define IEEE80211_RATE_IDX_ENTRY(val, idx) (((val&(0xff<<(idx*8)))>>(idx*8)))

/*
 * RSSI range
 */
#define IEEE80211_RSSI_MAX           -10        /* in db */
#define IEEE80211_RSSI_MIN           -200

/*
 * 11n A-MPDU & A-MSDU limits
 */
#define IEEE80211_AMPDU_LIMIT_MIN           (1 * 1024)
#define IEEE80211_AMPDU_LIMIT_MAX           (64 * 1024 - 1)
#define IEEE80211_AMPDU_LIMIT_DEFAULT       IEEE80211_AMPDU_LIMIT_MAX
#define IEEE80211_AMPDU_SUBFRAME_MIN        2
#define IEEE80211_AMPDU_SUBFRAME_MAX        64
#define IEEE80211_AMPDU_SUBFRAME_DEFAULT    32
#define IEEE80211_AMSDU_LIMIT_MAX           4096
#define IEEE80211_RIFS_AGGR_DIV             10
#define IEEE80211_MAX_AMPDU_MIN             0
#define IEEE80211_MAX_AMPDU_MAX             3

/*
 * 11ac A-MPDU limits
 */
#define IEEE80211_VHT_MAX_AMPDU_MIN         0
#define IEEE80211_VHT_MAX_AMPDU_MAX         7

struct ieee80211_rateset {
	uint8_t rs_nrates;
	uint8_t rs_rates[IEEE80211_RATE_MAXSIZE];
};

struct ieee80211_beacon_info {
	uint8_t essid[IEEE80211_NWID_LEN + 1];
	uint8_t esslen;
	uint8_t rssi_ctl_0;
	uint8_t rssi_ctl_1;
	uint8_t rssi_ctl_2;
	int numchains;
};

#define IEEE80211_ADDR_LEN  6   /* size of 802.11 address */

struct ieee80211_ibss_peer_list {
	uint8_t bssid[IEEE80211_ADDR_LEN];
};

struct ieee80211_roam {
	int8_t rssi11a;         /* rssi thresh for 11a bss */
	int8_t rssi11b;         /* for 11g sta in 11b bss */
	int8_t rssi11bOnly;     /* for 11b sta */
	uint8_t pad1;
	uint8_t rate11a;        /* rate thresh for 11a bss */
	uint8_t rate11b;        /* for 11g sta in 11b bss */
	uint8_t rate11bOnly;    /* for 11b sta */
	uint8_t pad2;
};

#define IEEE80211_TID_SIZE      17      /* total number of TIDs */
#define IEEE80211_NON_QOS_SEQ   16      /* index for non-QoS (including management) sequence number space */
#define IEEE80211_SEQ_MASK      0xfff   /* sequence generator mask */
#define MIN_SW_SEQ              0x100   /* minimum sequence for SW generate packect */

/* crypto related defines*/
#define IEEE80211_KEYBUF_SIZE   16
#define IEEE80211_MICBUF_SIZE   (8+8)   /* space for both tx+rx keys */

enum ieee80211_clist_cmd {
	CLIST_UPDATE,
	CLIST_DFS_UPDATE,
	CLIST_NEW_COUNTRY,
	CLIST_NOL_UPDATE
};

enum ieee80211_nawds_param {
	IEEE80211_NAWDS_PARAM_NUM = 0,
	IEEE80211_NAWDS_PARAM_MODE,
	IEEE80211_NAWDS_PARAM_DEFCAPS,
	IEEE80211_NAWDS_PARAM_OVERRIDE,
};

struct ieee80211_mib_cycle_cnts {
	uint32_t tx_frame_count;
	uint32_t rx_frame_count;
	uint32_t rx_clear_count;
	uint32_t cycle_count;
	uint8_t is_rx_active;
	uint8_t is_tx_active;
};

struct ieee80211_chanutil_info {
	uint32_t rx_clear_count;
	uint32_t cycle_count;
	uint8_t value;
	uint32_t beacon_count;
	uint8_t beacon_intervals;
};

#endif /* CDS_COMMON__IEEE80211_I_H_ */