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  • /*
     * Misc utility routines for WL and Apps
     * This header file housing the define and function prototype use by
     * both the wl driver, tools & Apps.
     *
     * Copyright (C) 2015, Broadcom Corporation. All Rights Reserved.
     * 
     * 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.
     *
     *
     * <<Broadcom-WL-IPTag/Open:>>
     *
     * $Id: bcmwifi_channels.h 309193 2012-01-19 00:03:57Z $
     */
    
    #ifndef	_bcmwifi_channels_h_
    #define	_bcmwifi_channels_h_
    
    #if defined(__FreeBSD__) || defined(__NetBSD__)
    #include <stdbool.h>
    #endif
    
    /* A chanspec holds the channel number, band, bandwidth and control sideband */
    typedef uint16 chanspec_t;
    
    /* channel defines */
    #define CH_UPPER_SB			0x01
    #define CH_LOWER_SB			0x02
    #define CH_EWA_VALID			0x04
    #define CH_80MHZ_APART			16
    #define CH_40MHZ_APART			8
    #define CH_20MHZ_APART			4
    #define CH_10MHZ_APART			2
    #define CH_5MHZ_APART			1	/* 2G band channels are 5 Mhz apart */
    #define CH_MAX_2G_CHANNEL		14	/* Max channel in 2G band */
    
    /* maximum # channels the s/w supports */
    #define MAXCHANNEL		224	/* max # supported channels. The max channel no is above,
    					 * this is that + 1 rounded up to a multiple of NBBY (8).
    					 * DO NOT MAKE it > 255: channels are uint8's all over
    					 */
    #define MAXCHANNEL_NUM	(MAXCHANNEL - 1)	/* max channel number */
    
    /* channel bitvec */
    typedef struct {
    	uint8   vec[MAXCHANNEL/8];   /* bitvec of channels */
    } chanvec_t;
    
    /* make sure channel num is within valid range */
    #define CH_NUM_VALID_RANGE(ch_num) ((ch_num) > 0 && (ch_num) <= MAXCHANNEL_NUM)
    
    #define CHSPEC_CTLOVLP(sp1, sp2, sep)	\
    	(ABS(wf_chspec_ctlchan(sp1) - wf_chspec_ctlchan(sp2)) < (sep))
    
    /* All builds use the new 11ac ratespec/chanspec */
    #undef  D11AC_IOTYPES
    #define D11AC_IOTYPES
    
    #define WL_CHANSPEC_CHAN_MASK		0x00ff
    #define WL_CHANSPEC_CHAN_SHIFT		0
    #define WL_CHANSPEC_CHAN1_MASK		0x000f
    #define WL_CHANSPEC_CHAN1_SHIFT		0
    #define WL_CHANSPEC_CHAN2_MASK		0x00f0
    #define WL_CHANSPEC_CHAN2_SHIFT		4
    
    #define WL_CHANSPEC_CTL_SB_MASK		0x0700
    #define WL_CHANSPEC_CTL_SB_SHIFT	8
    #define WL_CHANSPEC_CTL_SB_LLL		0x0000
    #define WL_CHANSPEC_CTL_SB_LLU		0x0100
    #define WL_CHANSPEC_CTL_SB_LUL		0x0200
    #define WL_CHANSPEC_CTL_SB_LUU		0x0300
    #define WL_CHANSPEC_CTL_SB_ULL		0x0400
    #define WL_CHANSPEC_CTL_SB_ULU		0x0500
    #define WL_CHANSPEC_CTL_SB_UUL		0x0600
    #define WL_CHANSPEC_CTL_SB_UUU		0x0700
    #define WL_CHANSPEC_CTL_SB_LL		WL_CHANSPEC_CTL_SB_LLL
    #define WL_CHANSPEC_CTL_SB_LU		WL_CHANSPEC_CTL_SB_LLU
    #define WL_CHANSPEC_CTL_SB_UL		WL_CHANSPEC_CTL_SB_LUL
    #define WL_CHANSPEC_CTL_SB_UU		WL_CHANSPEC_CTL_SB_LUU
    #define WL_CHANSPEC_CTL_SB_L		WL_CHANSPEC_CTL_SB_LLL
    #define WL_CHANSPEC_CTL_SB_U		WL_CHANSPEC_CTL_SB_LLU
    #define WL_CHANSPEC_CTL_SB_LOWER	WL_CHANSPEC_CTL_SB_LLL
    #define WL_CHANSPEC_CTL_SB_UPPER	WL_CHANSPEC_CTL_SB_LLU
    #define WL_CHANSPEC_CTL_SB_NONE		WL_CHANSPEC_CTL_SB_LLL
    
    #define WL_CHANSPEC_BW_MASK		0x3800
    #define WL_CHANSPEC_BW_SHIFT		11
    #define WL_CHANSPEC_BW_5		0x0000
    #define WL_CHANSPEC_BW_10		0x0800
    #define WL_CHANSPEC_BW_20		0x1000
    #define WL_CHANSPEC_BW_40		0x1800
    #define WL_CHANSPEC_BW_80		0x2000
    #define WL_CHANSPEC_BW_160		0x2800
    #define WL_CHANSPEC_BW_8080		0x3000
    #define WL_CHANSPEC_BW_2P5		0x3800
    
    #define WL_CHANSPEC_BAND_MASK		0xc000
    #define WL_CHANSPEC_BAND_SHIFT		14
    #define WL_CHANSPEC_BAND_2G		0x0000
    #define WL_CHANSPEC_BAND_3G		0x4000
    #define WL_CHANSPEC_BAND_4G		0x8000
    #define WL_CHANSPEC_BAND_5G		0xc000
    #define INVCHANSPEC			255
    #define MAX_CHANSPEC				0xFFFF
    
    /* channel defines */
    #define LOWER_20_SB(channel)		(((channel) > CH_10MHZ_APART) ? \
    					((channel) - CH_10MHZ_APART) : 0)
    #define UPPER_20_SB(channel)		(((channel) < (MAXCHANNEL - CH_10MHZ_APART)) ? \
    					((channel) + CH_10MHZ_APART) : 0)
    
    #define LL_20_SB(channel) (((channel) > 3 * CH_10MHZ_APART) ? ((channel) - 3 * CH_10MHZ_APART) : 0)
    #define UU_20_SB(channel) 	(((channel) < (MAXCHANNEL - 3 * CH_10MHZ_APART)) ? \
    				((channel) + 3 * CH_10MHZ_APART) : 0)
    #define LU_20_SB(channel) LOWER_20_SB(channel)
    #define UL_20_SB(channel) UPPER_20_SB(channel)
    
    #define LOWER_40_SB(channel)		((channel) - CH_20MHZ_APART)
    #define UPPER_40_SB(channel)		((channel) + CH_20MHZ_APART)
    #define CHSPEC_WLCBANDUNIT(chspec)	(CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
    #define CH20MHZ_CHSPEC(channel)		(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
    					(((channel) <= CH_MAX_2G_CHANNEL) ? \
    					WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
    #define CH2P5MHZ_CHSPEC(channel)	(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_2P5 | \
    						(((channel) <= CH_MAX_2G_CHANNEL) ? \
    						WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
    #define CH5MHZ_CHSPEC(channel)		(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_5 | \
    						(((channel) <= CH_MAX_2G_CHANNEL) ? \
    						WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
    #define CH10MHZ_CHSPEC(channel)		(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_10 | \
    						(((channel) <= CH_MAX_2G_CHANNEL) ? \
    						WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
    #define NEXT_20MHZ_CHAN(channel)	(((channel) < (MAXCHANNEL - CH_20MHZ_APART)) ? \
    					((channel) + CH_20MHZ_APART) : 0)
    #define CH40MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
    					((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
    					((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
    					WL_CHANSPEC_BAND_5G))
    #define CH80MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
    					((channel) | (ctlsb) | \
    					 WL_CHANSPEC_BW_80 | WL_CHANSPEC_BAND_5G)
    #define CH160MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
    					((channel) | (ctlsb) | \
    					 WL_CHANSPEC_BW_160 | WL_CHANSPEC_BAND_5G)
    #define CHBW_CHSPEC(bw, channel)	(chanspec_t)((chanspec_t)(channel) | (bw) | \
    							(((channel) <= CH_MAX_2G_CHANNEL) ? \
    							WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
    
    /* simple MACROs to get different fields of chanspec */
    #ifdef WL11AC_80P80
    #define CHSPEC_CHANNEL(chspec)	wf_chspec_channel(chspec)
    #else
    #define CHSPEC_CHANNEL(chspec)	((uint8)((chspec) & WL_CHANSPEC_CHAN_MASK))
    #endif
    #define CHSPEC_CHAN1(chspec)	((chspec) & WL_CHANSPEC_CHAN1_MASK) >> WL_CHANSPEC_CHAN1_SHIFT
    #define CHSPEC_CHAN2(chspec)	((chspec) & WL_CHANSPEC_CHAN2_MASK) >> WL_CHANSPEC_CHAN2_SHIFT
    #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)
    
    #ifdef WL11N_20MHZONLY
    
    #define CHSPEC_IS2P5(chspec)	0
    #define CHSPEC_IS5(chspec)	0
    #define CHSPEC_IS10(chspec)	0
    #define CHSPEC_IS20(chspec)	1
    #ifndef CHSPEC_IS40
    #define CHSPEC_IS40(chspec)	0
    #endif
    #ifndef CHSPEC_IS80
    #define CHSPEC_IS80(chspec)	0
    #endif
    #ifndef CHSPEC_IS160
    #define CHSPEC_IS160(chspec)	0
    #endif
    #ifndef CHSPEC_IS8080
    #define CHSPEC_IS8080(chspec)	0
    #endif
    #define BW_LE20(bw)		TRUE
    #define CHSPEC_ISLE20(chspec)	TRUE
    #else /* !WL11N_20MHZONLY */
    
    #define CHSPEC_IS2P5(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_2P5)
    #define CHSPEC_IS5(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_5)
    #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)
    #ifndef CHSPEC_IS40
    #define CHSPEC_IS40(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
    #endif
    #ifndef CHSPEC_IS80
    #define CHSPEC_IS80(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
    #endif
    #ifndef CHSPEC_IS160
    #define CHSPEC_IS160(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_160)
    #endif
    #ifndef CHSPEC_IS8080
    #define CHSPEC_IS8080(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_8080)
    #endif
    
    #ifdef WL11ULB
    #define BW_LT20(bw)		(((bw) == WL_CHANSPEC_BW_2P5) || \
    				((bw) == WL_CHANSPEC_BW_5) || \
    				((bw) == WL_CHANSPEC_BW_10))
    #define CHSPEC_BW_LT20(chspec)	(BW_LT20(CHSPEC_BW(chspec)))
    /* This MACRO is strictly to avoid abandons in existing code with ULB feature and is in no way
     * optimial to use. Should be replaced with CHSPEC_BW_LE() instead
     */
    #define BW_LE20(bw)		(((bw) == WL_CHANSPEC_BW_2P5) || \
    				((bw) == WL_CHANSPEC_BW_5) || \
    				((bw) == WL_CHANSPEC_BW_10) || \
    				((bw) == WL_CHANSPEC_BW_20))
    #define CHSPEC_ISLE20(chspec)	(BW_LE20(CHSPEC_BW(chspec)))
    
    #else /* WL11ULB */
    #define BW_LE20(bw)		((bw) == WL_CHANSPEC_BW_20)
    #define CHSPEC_ISLE20(chspec)	(CHSPEC_IS20(chspec))
    #endif /* WL11ULB */
    #endif /* !WL11N_20MHZONLY */
    
    #define BW_LE40(bw)		(BW_LE20(bw) || ((bw) == WL_CHANSPEC_BW_40))
    #define BW_LE80(bw)		(BW_LE40(bw) || ((bw) == WL_CHANSPEC_BW_80))
    #define BW_LE160(bw)		(BW_LE80(bw) || ((bw) == WL_CHANSPEC_BW_160))
    #define CHSPEC_BW_LE20(chspec)	(BW_LE20(CHSPEC_BW(chspec)))
    #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_UPPER(chspec)	\
    	((((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER) && \
    	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
    #define CHSPEC_SB_LOWER(chspec)	\
    	((((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER) && \
    	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
    #define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS5G(chspec) ? WLC_BAND_5G : WLC_BAND_2G)
    
    /**
     * Number of chars needed for wf_chspec_ntoa() destination character buffer.
     */
    #define CHANSPEC_STR_LEN    20
    
    
    #define CHSPEC_IS_BW_160_WIDE(chspec) (CHSPEC_BW(chspec) == WL_CHANSPEC_BW_160 ||\
    	CHSPEC_BW(chspec) == WL_CHANSPEC_BW_8080)
    
    /* BW inequality comparisons, LE (<=), GE (>=), LT (<), GT (>), comparisons can be made
    * as simple numeric comparisons, with the exception that 160 is the same BW as 80+80,
    * but have different numeric values; (WL_CHANSPEC_BW_160 < WL_CHANSPEC_BW_8080).
    *
    * The LT/LE/GT/GE macros check first checks whether both chspec bandwidth and bw are 160 wide.
    * If both chspec bandwidth and bw is not 160 wide, then the comparison is made.
    */
    #ifdef WL11ULB
    #define CHSPEC_BW_GE(chspec, bw) \
    	(((CHSPEC_IS_BW_160_WIDE(chspec) &&\
    	((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) ||\
    	(CHSPEC_BW(chspec) >= (bw))) && \
    	(!(CHSPEC_BW(chspec) == WL_CHANSPEC_BW_2P5 && (bw) != WL_CHANSPEC_BW_2P5)))
    #else /* WL11ULB */
    #define CHSPEC_BW_GE(chspec, bw) \
    		((CHSPEC_IS_BW_160_WIDE(chspec) &&\
    		((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) ||\
    		(CHSPEC_BW(chspec) >= (bw)))
    #endif /* WL11ULB */
    
    #ifdef WL11ULB
    #define CHSPEC_BW_LE(chspec, bw) \
    	(((CHSPEC_IS_BW_160_WIDE(chspec) &&\
    	((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) ||\
    	(CHSPEC_BW(chspec) <= (bw))) || \
    	(CHSPEC_BW(chspec) == WL_CHANSPEC_BW_2P5))
    #else /* WL11ULB */
    #define CHSPEC_BW_LE(chspec, bw) \
    		((CHSPEC_IS_BW_160_WIDE(chspec) &&\
    		((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) ||\
    		(CHSPEC_BW(chspec) <= (bw)))
    #endif /* WL11ULB */
    
    #ifdef WL11ULB
    #define CHSPEC_BW_GT(chspec, bw) \
    	((!(CHSPEC_IS_BW_160_WIDE(chspec) &&\
    	((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) &&\
    	(CHSPEC_BW(chspec) > (bw))) && \
    	(CHSPEC_BW(chspec) != WL_CHANSPEC_BW_2P5))
    #else /* WL11ULB */
    #define CHSPEC_BW_GT(chspec, bw) \
    		(!(CHSPEC_IS_BW_160_WIDE(chspec) &&\
    		((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) &&\
    		(CHSPEC_BW(chspec) > (bw)))
    #endif /* WL11ULB */
    
    #ifdef WL11ULB
    #define CHSPEC_BW_LT(chspec, bw) \
    	((!(CHSPEC_IS_BW_160_WIDE(chspec) &&\
    	((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) &&\
    	(CHSPEC_BW(chspec) < (bw))) || \
    	((CHSPEC_BW(chspec) == WL_CHANSPEC_BW_2P5 && (bw) != WL_CHANSPEC_BW_2P5)))
    #else /* WL11ULB */
    #define CHSPEC_BW_LT(chspec, bw) \
    		(!(CHSPEC_IS_BW_160_WIDE(chspec) &&\
    		((bw) == WL_CHANSPEC_BW_160 || (bw) == WL_CHANSPEC_BW_8080)) &&\
    		(CHSPEC_BW(chspec) < (bw)))
    #endif /* WL11ULB */
    
    /* Legacy Chanspec defines
     * These are the defines for the previous format of the chanspec_t
     */
    #define WL_LCHANSPEC_CHAN_MASK		0x00ff
    #define WL_LCHANSPEC_CHAN_SHIFT		     0
    
    #define WL_LCHANSPEC_CTL_SB_MASK	0x0300
    #define WL_LCHANSPEC_CTL_SB_SHIFT	     8
    #define WL_LCHANSPEC_CTL_SB_LOWER	0x0100
    #define WL_LCHANSPEC_CTL_SB_UPPER	0x0200
    #define WL_LCHANSPEC_CTL_SB_NONE	0x0300
    
    #define WL_LCHANSPEC_BW_MASK		0x0C00
    #define WL_LCHANSPEC_BW_SHIFT		    10
    #define WL_LCHANSPEC_BW_10		0x0400
    #define WL_LCHANSPEC_BW_20		0x0800
    #define WL_LCHANSPEC_BW_40		0x0C00
    
    #define WL_LCHANSPEC_BAND_MASK		0xf000
    #define WL_LCHANSPEC_BAND_SHIFT		    12
    #define WL_LCHANSPEC_BAND_5G		0x1000
    #define WL_LCHANSPEC_BAND_2G		0x2000
    
    #define LCHSPEC_CHANNEL(chspec)	((uint8)((chspec) & WL_LCHANSPEC_CHAN_MASK))
    #define LCHSPEC_BAND(chspec)	((chspec) & WL_LCHANSPEC_BAND_MASK)
    #define LCHSPEC_CTL_SB(chspec)	((chspec) & WL_LCHANSPEC_CTL_SB_MASK)
    #define LCHSPEC_BW(chspec)	((chspec) & WL_LCHANSPEC_BW_MASK)
    #define LCHSPEC_IS10(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_10)
    #define LCHSPEC_IS20(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_20)
    #define LCHSPEC_IS40(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_40)
    #define LCHSPEC_IS5G(chspec)	(((chspec) & WL_LCHANSPEC_BAND_MASK) == WL_LCHANSPEC_BAND_5G)
    #define LCHSPEC_IS2G(chspec)	(((chspec) & WL_LCHANSPEC_BAND_MASK) == WL_LCHANSPEC_BAND_2G)
    
    #define LCHSPEC_SB_UPPER(chspec)	\
    	((((chspec) & WL_LCHANSPEC_CTL_SB_MASK) == WL_LCHANSPEC_CTL_SB_UPPER) && \
    	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_40))
    #define LCHSPEC_SB_LOWER(chspec)	\
    	((((chspec) & WL_LCHANSPEC_CTL_SB_MASK) == WL_LCHANSPEC_CTL_SB_LOWER) && \
    	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_40))
    
    #define LCHSPEC_CREATE(chan, band, bw, sb)  ((uint16)((chan) | (sb) | (bw) | (band)))
    
    #define CH20MHZ_LCHSPEC(channel) \
    	(chanspec_t)((chanspec_t)(channel) | WL_LCHANSPEC_BW_20 | \
    	WL_LCHANSPEC_CTL_SB_NONE | (((channel) <= CH_MAX_2G_CHANNEL) ? \
    	WL_LCHANSPEC_BAND_2G : WL_LCHANSPEC_BAND_5G))
    
    /*
     * WF_CHAN_FACTOR_* constants are used to calculate channel frequency
     * given a channel number.
     * chan_freq = chan_factor * 500Mhz + chan_number * 5
     */
    
    /**
     * Channel Factor for the starting frequence of 2.4 GHz channels.
     * The value corresponds to 2407 MHz.
     */
    #define WF_CHAN_FACTOR_2_4_G		4814	/* 2.4 GHz band, 2407 MHz */
    
    /**
     * Channel Factor for the starting frequence of 5 GHz channels.
     * The value corresponds to 5000 MHz.
     */
    #define WF_CHAN_FACTOR_5_G		10000	/* 5   GHz band, 5000 MHz */
    
    /**
     * Channel Factor for the starting frequence of 4.9 GHz channels.
     * The value corresponds to 4000 MHz.
     */
    #define WF_CHAN_FACTOR_4_G		8000	/* 4.9 GHz band for Japan */
    
    #define WLC_2G_25MHZ_OFFSET		5	/* 2.4GHz band channel offset */
    
    /**
     *  No of sub-band vlaue of the specified Mhz chanspec
     */
    #define WF_NUM_SIDEBANDS_40MHZ   2
    #define WF_NUM_SIDEBANDS_80MHZ   4
    #define WF_NUM_SIDEBANDS_8080MHZ 4
    #define WF_NUM_SIDEBANDS_160MHZ  8
    
    #endif	/* _bcmwifi_channels_h_ */