Use information from the device to determine the bands property of the wiphy object. After this change the support of 80211n is correctly presented in the bands property. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
		
			
				
	
	
		
			256 lines
		
	
	
	
		
			7.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			256 lines
		
	
	
	
		
			7.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2010 Broadcom Corporation
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 *
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 * Permission to use, copy, modify, and/or distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#ifndef	_BRCMU_WIFI_H_
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#define	_BRCMU_WIFI_H_
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#include <linux/if_ether.h>		/* for ETH_ALEN */
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#include <linux/ieee80211.h>		/* for WLAN_PMKID_LEN */
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/*
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 * A chanspec (u16) holds the channel number, band, bandwidth and control
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 * sideband
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 */
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/* channel defines */
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#define CH_UPPER_SB			0x01
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#define CH_LOWER_SB			0x02
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#define CH_EWA_VALID			0x04
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#define CH_20MHZ_APART			4
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#define CH_10MHZ_APART			2
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#define CH_5MHZ_APART			1 /* 2G band channels are 5 Mhz apart */
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#define CH_MIN_2G_CHANNEL		1
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#define CH_MAX_2G_CHANNEL		14	/* Max channel in 2G band */
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#define CH_MIN_5G_CHANNEL		34
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/* bandstate array indices */
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#define BAND_2G_INDEX		0	/* wlc->bandstate[x] index */
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#define BAND_5G_INDEX		1	/* wlc->bandstate[x] index */
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/*
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 * max # supported channels. The max channel no is 216, this is that + 1
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 * rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are
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 * u8's all over
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*/
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#define	MAXCHANNEL		224
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#define WL_CHANSPEC_CHAN_MASK		0x00ff
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#define WL_CHANSPEC_CHAN_SHIFT		0
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#define WL_CHANSPEC_CTL_SB_MASK		0x0300
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#define WL_CHANSPEC_CTL_SB_SHIFT	     8
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#define WL_CHANSPEC_CTL_SB_LOWER	0x0100
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#define WL_CHANSPEC_CTL_SB_UPPER	0x0200
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#define WL_CHANSPEC_CTL_SB_NONE		0x0300
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#define WL_CHANSPEC_BW_MASK		0x0C00
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#define WL_CHANSPEC_BW_SHIFT		    10
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#define WL_CHANSPEC_BW_10		0x0400
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#define WL_CHANSPEC_BW_20		0x0800
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#define WL_CHANSPEC_BW_40		0x0C00
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#define WL_CHANSPEC_BW_80		0x2000
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#define WL_CHANSPEC_BAND_MASK		0xf000
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#define WL_CHANSPEC_BAND_SHIFT		12
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#define WL_CHANSPEC_BAND_5G		0x1000
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#define WL_CHANSPEC_BAND_2G		0x2000
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#define INVCHANSPEC			255
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#define WL_CHAN_VALID_HW		(1 << 0) /* valid with current HW */
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#define WL_CHAN_VALID_SW		(1 << 1) /* valid with country sett. */
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#define WL_CHAN_BAND_5G			(1 << 2) /* 5GHz-band channel */
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#define WL_CHAN_RADAR			(1 << 3) /* radar sensitive  channel */
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#define WL_CHAN_INACTIVE		(1 << 4) /* inactive due to radar */
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#define WL_CHAN_PASSIVE			(1 << 5) /* channel in passive mode */
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#define WL_CHAN_RESTRICTED		(1 << 6) /* restricted use channel */
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/* values for band specific 40MHz capabilities  */
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#define WLC_N_BW_20ALL			0
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#define WLC_N_BW_40ALL			1
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#define WLC_N_BW_20IN2G_40IN5G		2
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/* band types */
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#define	WLC_BAND_AUTO			0	/* auto-select */
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#define	WLC_BAND_5G			1	/* 5 Ghz */
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#define	WLC_BAND_2G			2	/* 2.4 Ghz */
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#define	WLC_BAND_ALL			3	/* all bands */
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#define CHSPEC_CHANNEL(chspec)	((u8)((chspec) & WL_CHANSPEC_CHAN_MASK))
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#define CHSPEC_BAND(chspec)	((chspec) & WL_CHANSPEC_BAND_MASK)
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#define CHSPEC_CTL_SB(chspec)	((chspec) & WL_CHANSPEC_CTL_SB_MASK)
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#define CHSPEC_BW(chspec)	((chspec) & WL_CHANSPEC_BW_MASK)
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#define CHSPEC_IS10(chspec) \
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	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
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#define CHSPEC_IS20(chspec) \
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	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
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#define CHSPEC_IS40(chspec) \
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	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
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#define CHSPEC_IS80(chspec) \
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	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
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#define CHSPEC_IS5G(chspec) \
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	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
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#define CHSPEC_IS2G(chspec) \
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	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
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#define CHSPEC_SB_NONE(chspec) \
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	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
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#define CHSPEC_SB_UPPER(chspec) \
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	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
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#define CHSPEC_SB_LOWER(chspec) \
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	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
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#define CHSPEC_CTL_CHAN(chspec) \
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	((CHSPEC_SB_LOWER(chspec)) ? \
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	(lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
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	(upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))))
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#define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G)
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#define CHANSPEC_STR_LEN    8
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static inline int lower_20_sb(int channel)
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{
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	return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0;
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}
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static inline int upper_20_sb(int channel)
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{
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	return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ?
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	       channel + CH_10MHZ_APART : 0;
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}
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static inline int chspec_bandunit(u16 chspec)
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{
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	return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX;
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}
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static inline u16 ch20mhz_chspec(int channel)
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{
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	u16 rc = channel <= CH_MAX_2G_CHANNEL ?
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		 WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G;
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	return	(u16)((u16)channel | WL_CHANSPEC_BW_20 |
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		      WL_CHANSPEC_CTL_SB_NONE | rc);
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}
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static inline int next_20mhz_chan(int channel)
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{
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	return channel < (MAXCHANNEL - CH_20MHZ_APART) ?
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	       channel + CH_20MHZ_APART : 0;
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}
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/* defined rate in 500kbps */
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#define BRCM_MAXRATE	108	/* in 500kbps units */
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#define BRCM_RATE_1M	2	/* in 500kbps units */
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#define BRCM_RATE_2M	4	/* in 500kbps units */
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#define BRCM_RATE_5M5	11	/* in 500kbps units */
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#define BRCM_RATE_11M	22	/* in 500kbps units */
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#define BRCM_RATE_6M	12	/* in 500kbps units */
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#define BRCM_RATE_9M	18	/* in 500kbps units */
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#define BRCM_RATE_12M	24	/* in 500kbps units */
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#define BRCM_RATE_18M	36	/* in 500kbps units */
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#define BRCM_RATE_24M	48	/* in 500kbps units */
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#define BRCM_RATE_36M	72	/* in 500kbps units */
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#define BRCM_RATE_48M	96	/* in 500kbps units */
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#define BRCM_RATE_54M	108	/* in 500kbps units */
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#define BRCM_2G_25MHZ_OFFSET		5	/* 2.4GHz band channel offset */
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#define MCSSET_LEN	16
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static inline bool ac_bitmap_tst(u8 bitmap, int prec)
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{
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	return (bitmap & (1 << (prec))) != 0;
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}
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/* Enumerate crypto algorithms */
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#define	CRYPTO_ALGO_OFF			0
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#define	CRYPTO_ALGO_WEP1		1
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#define	CRYPTO_ALGO_TKIP		2
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#define	CRYPTO_ALGO_WEP128		3
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#define CRYPTO_ALGO_AES_CCM		4
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#define CRYPTO_ALGO_AES_RESERVED1	5
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#define CRYPTO_ALGO_AES_RESERVED2	6
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#define CRYPTO_ALGO_NALG		7
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/* wireless security bitvec */
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#define WEP_ENABLED		0x0001
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#define TKIP_ENABLED		0x0002
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#define AES_ENABLED		0x0004
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#define WSEC_SWFLAG		0x0008
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/* to go into transition mode without setting wep */
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#define SES_OW_ENABLED		0x0040
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/* WPA authentication mode bitvec */
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#define WPA_AUTH_DISABLED	0x0000	/* Legacy (i.e., non-WPA) */
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#define WPA_AUTH_NONE		0x0001	/* none (IBSS) */
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#define WPA_AUTH_UNSPECIFIED	0x0002	/* over 802.1x */
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#define WPA_AUTH_PSK		0x0004	/* Pre-shared key */
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#define WPA_AUTH_RESERVED1	0x0008
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#define WPA_AUTH_RESERVED2	0x0010
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#define WPA2_AUTH_RESERVED1	0x0020
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#define WPA2_AUTH_UNSPECIFIED	0x0040	/* over 802.1x */
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#define WPA2_AUTH_PSK		0x0080	/* Pre-shared key */
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#define WPA2_AUTH_RESERVED3	0x0200
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#define WPA2_AUTH_RESERVED4	0x0400
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#define WPA2_AUTH_RESERVED5	0x0800
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/* pmkid */
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#define	MAXPMKID		16
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#define DOT11_DEFAULT_RTS_LEN		2347
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#define DOT11_DEFAULT_FRAG_LEN		2346
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#define DOT11_ICV_AES_LEN		8
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#define DOT11_QOS_LEN			2
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#define DOT11_IV_MAX_LEN		8
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#define DOT11_A4_HDR_LEN		30
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#define HT_CAP_RX_STBC_NO		0x0
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#define HT_CAP_RX_STBC_ONE_STREAM	0x1
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struct pmkid {
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	u8 BSSID[ETH_ALEN];
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	u8 PMKID[WLAN_PMKID_LEN];
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};
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struct pmkid_list {
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	__le32 npmkid;
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	struct pmkid pmkid[1];
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};
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struct pmkid_cand {
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	u8 BSSID[ETH_ALEN];
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	u8 preauth;
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};
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struct pmkid_cand_list {
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	u32 npmkid_cand;
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	struct pmkid_cand pmkid_cand[1];
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};
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#endif				/* _BRCMU_WIFI_H_ */
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