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kernel/linux-rt-4.4.41/drivers/net/wireless/brcm80211/include/brcmu_wifi.h 8.16 KB
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  /*
   * Copyright (c) 2010 Broadcom Corporation
   *
   * 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.
   */
  
  #ifndef	_BRCMU_WIFI_H_
  #define	_BRCMU_WIFI_H_
  
  #include <linux/if_ether.h>		/* for ETH_ALEN */
  #include <linux/ieee80211.h>		/* for WLAN_PMKID_LEN */
  
  /*
   * A chanspec (u16) holds the channel number, band, bandwidth and control
   * sideband
   */
  
  /* channel defines */
  #define CH_UPPER_SB			0x01
  #define CH_LOWER_SB			0x02
  #define CH_EWA_VALID			0x04
  #define CH_30MHZ_APART			6
  #define CH_20MHZ_APART			4
  #define CH_10MHZ_APART			2
  #define CH_5MHZ_APART			1 /* 2G band channels are 5 Mhz apart */
  #define CH_MIN_2G_CHANNEL		1
  #define CH_MAX_2G_CHANNEL		14	/* Max channel in 2G band */
  #define CH_MIN_5G_CHANNEL		34
  
  /* bandstate array indices */
  #define BAND_2G_INDEX		0	/* wlc->bandstate[x] index */
  #define BAND_5G_INDEX		1	/* wlc->bandstate[x] index */
  
  /*
   * max # supported channels. The max channel no is 216, this is that + 1
   * rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are
   * u8's all over
  */
  #define	MAXCHANNEL		224
  
  #define WL_CHANSPEC_CHAN_MASK		0x00ff
  #define WL_CHANSPEC_CHAN_SHIFT		0
  
  #define WL_CHANSPEC_CTL_SB_MASK		0x0300
  #define WL_CHANSPEC_CTL_SB_SHIFT	     8
  #define WL_CHANSPEC_CTL_SB_LOWER	0x0100
  #define WL_CHANSPEC_CTL_SB_UPPER	0x0200
  #define WL_CHANSPEC_CTL_SB_NONE		0x0300
  
  #define WL_CHANSPEC_BW_MASK		0x0C00
  #define WL_CHANSPEC_BW_SHIFT		    10
  #define WL_CHANSPEC_BW_10		0x0400
  #define WL_CHANSPEC_BW_20		0x0800
  #define WL_CHANSPEC_BW_40		0x0C00
  #define WL_CHANSPEC_BW_80		0x2000
  
  #define WL_CHANSPEC_BAND_MASK		0xf000
  #define WL_CHANSPEC_BAND_SHIFT		12
  #define WL_CHANSPEC_BAND_5G		0x1000
  #define WL_CHANSPEC_BAND_2G		0x2000
  #define INVCHANSPEC			255
  
  #define WL_CHAN_VALID_HW		(1 << 0) /* valid with current HW */
  #define WL_CHAN_VALID_SW		(1 << 1) /* valid with country sett. */
  #define WL_CHAN_BAND_5G			(1 << 2) /* 5GHz-band channel */
  #define WL_CHAN_RADAR			(1 << 3) /* radar sensitive  channel */
  #define WL_CHAN_INACTIVE		(1 << 4) /* inactive due to radar */
  #define WL_CHAN_PASSIVE			(1 << 5) /* channel in passive mode */
  #define WL_CHAN_RESTRICTED		(1 << 6) /* restricted use channel */
  
  /* values for band specific 40MHz capabilities  */
  #define WLC_N_BW_20ALL			0
  #define WLC_N_BW_40ALL			1
  #define WLC_N_BW_20IN2G_40IN5G		2
  
  #define WLC_BW_20MHZ_BIT		BIT(0)
  #define WLC_BW_40MHZ_BIT		BIT(1)
  #define WLC_BW_80MHZ_BIT		BIT(2)
  #define WLC_BW_160MHZ_BIT		BIT(3)
  
  /* Bandwidth capabilities */
  #define WLC_BW_CAP_20MHZ		(WLC_BW_20MHZ_BIT)
  #define WLC_BW_CAP_40MHZ		(WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
  #define WLC_BW_CAP_80MHZ		(WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \
  					 WLC_BW_20MHZ_BIT)
  #define WLC_BW_CAP_160MHZ		(WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \
  					 WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
  #define WLC_BW_CAP_UNRESTRICTED		0xFF
  
  /* band types */
  #define	WLC_BAND_AUTO			0	/* auto-select */
  #define	WLC_BAND_5G			1	/* 5 Ghz */
  #define	WLC_BAND_2G			2	/* 2.4 Ghz */
  #define	WLC_BAND_ALL			3	/* all bands */
  
  #define CHSPEC_CHANNEL(chspec)	((u8)((chspec) & WL_CHANSPEC_CHAN_MASK))
  #define CHSPEC_BAND(chspec)	((chspec) & WL_CHANSPEC_BAND_MASK)
  
  #define CHSPEC_CTL_SB(chspec)	((chspec) & WL_CHANSPEC_CTL_SB_MASK)
  #define CHSPEC_BW(chspec)	((chspec) & WL_CHANSPEC_BW_MASK)
  
  #define CHSPEC_IS10(chspec) \
  	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
  
  #define CHSPEC_IS20(chspec) \
  	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
  
  #define CHSPEC_IS40(chspec) \
  	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
  
  #define CHSPEC_IS80(chspec) \
  	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
  
  #define CHSPEC_IS5G(chspec) \
  	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
  
  #define CHSPEC_IS2G(chspec) \
  	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
  
  #define CHSPEC_SB_NONE(chspec) \
  	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
  
  #define CHSPEC_SB_UPPER(chspec) \
  	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
  
  #define CHSPEC_SB_LOWER(chspec) \
  	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
  
  #define CHSPEC_CTL_CHAN(chspec) \
  	((CHSPEC_SB_LOWER(chspec)) ? \
  	(lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
  	(upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))))
  
  #define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G)
  
  #define CHANSPEC_STR_LEN    8
  
  static inline int lower_20_sb(int channel)
  {
  	return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0;
  }
  
  static inline int upper_20_sb(int channel)
  {
  	return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ?
  	       channel + CH_10MHZ_APART : 0;
  }
  
  static inline int chspec_bandunit(u16 chspec)
  {
  	return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX;
  }
  
  static inline u16 ch20mhz_chspec(int channel)
  {
  	u16 rc = channel <= CH_MAX_2G_CHANNEL ?
  		 WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G;
  
  	return	(u16)((u16)channel | WL_CHANSPEC_BW_20 |
  		      WL_CHANSPEC_CTL_SB_NONE | rc);
  }
  
  static inline int next_20mhz_chan(int channel)
  {
  	return channel < (MAXCHANNEL - CH_20MHZ_APART) ?
  	       channel + CH_20MHZ_APART : 0;
  }
  
  /* defined rate in 500kbps */
  #define BRCM_MAXRATE	108	/* in 500kbps units */
  #define BRCM_RATE_1M	2	/* in 500kbps units */
  #define BRCM_RATE_2M	4	/* in 500kbps units */
  #define BRCM_RATE_5M5	11	/* in 500kbps units */
  #define BRCM_RATE_11M	22	/* in 500kbps units */
  #define BRCM_RATE_6M	12	/* in 500kbps units */
  #define BRCM_RATE_9M	18	/* in 500kbps units */
  #define BRCM_RATE_12M	24	/* in 500kbps units */
  #define BRCM_RATE_18M	36	/* in 500kbps units */
  #define BRCM_RATE_24M	48	/* in 500kbps units */
  #define BRCM_RATE_36M	72	/* in 500kbps units */
  #define BRCM_RATE_48M	96	/* in 500kbps units */
  #define BRCM_RATE_54M	108	/* in 500kbps units */
  
  #define BRCM_2G_25MHZ_OFFSET		5	/* 2.4GHz band channel offset */
  
  #define MCSSET_LEN	16
  
  static inline bool ac_bitmap_tst(u8 bitmap, int prec)
  {
  	return (bitmap & (1 << (prec))) != 0;
  }
  
  /* Enumerate crypto algorithms */
  #define	CRYPTO_ALGO_OFF			0
  #define	CRYPTO_ALGO_WEP1		1
  #define	CRYPTO_ALGO_TKIP		2
  #define	CRYPTO_ALGO_WEP128		3
  #define CRYPTO_ALGO_AES_CCM		4
  #define CRYPTO_ALGO_AES_RESERVED1	5
  #define CRYPTO_ALGO_AES_RESERVED2	6
  #define CRYPTO_ALGO_NALG		7
  
  /* wireless security bitvec */
  
  #define WEP_ENABLED		0x0001
  #define TKIP_ENABLED		0x0002
  #define AES_ENABLED		0x0004
  #define WSEC_SWFLAG		0x0008
  /* to go into transition mode without setting wep */
  #define SES_OW_ENABLED		0x0040
  /* MFP */
  #define MFP_CAPABLE		0x0200
  #define MFP_REQUIRED		0x0400
  
  /* WPA authentication mode bitvec */
  #define WPA_AUTH_DISABLED	0x0000	/* Legacy (i.e., non-WPA) */
  #define WPA_AUTH_NONE		0x0001	/* none (IBSS) */
  #define WPA_AUTH_UNSPECIFIED	0x0002	/* over 802.1x */
  #define WPA_AUTH_PSK		0x0004	/* Pre-shared key */
  #define WPA_AUTH_RESERVED1	0x0008
  #define WPA_AUTH_RESERVED2	0x0010
  
  #define WPA2_AUTH_RESERVED1	0x0020
  #define WPA2_AUTH_UNSPECIFIED	0x0040	/* over 802.1x */
  #define WPA2_AUTH_PSK		0x0080	/* Pre-shared key */
  #define WPA2_AUTH_RESERVED3	0x0200
  #define WPA2_AUTH_RESERVED4	0x0400
  #define WPA2_AUTH_RESERVED5	0x0800
  
  /* pmkid */
  #define	MAXPMKID		16
  
  #define DOT11_DEFAULT_RTS_LEN		2347
  #define DOT11_DEFAULT_FRAG_LEN		2346
  
  #define DOT11_ICV_AES_LEN		8
  #define DOT11_QOS_LEN			2
  #define DOT11_IV_MAX_LEN		8
  #define DOT11_A4_HDR_LEN		30
  
  #define HT_CAP_RX_STBC_NO		0x0
  #define HT_CAP_RX_STBC_ONE_STREAM	0x1
  
  struct pmkid {
  	u8 BSSID[ETH_ALEN];
  	u8 PMKID[WLAN_PMKID_LEN];
  };
  
  struct pmkid_list {
  	__le32 npmkid;
  	struct pmkid pmkid[1];
  };
  
  struct pmkid_cand {
  	u8 BSSID[ETH_ALEN];
  	u8 preauth;
  };
  
  struct pmkid_cand_list {
  	u32 npmkid_cand;
  	struct pmkid_cand pmkid_cand[1];
  };
  
  #endif				/* _BRCMU_WIFI_H_ */