/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Misc utility routines for WL and Apps
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* This header file housing the define and function prototype use by
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* both the wl driver, tools & Apps.
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*
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* Copyright (C) 1999-2019, Broadcom.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* $Id: bcmwifi_channels.h 806092 2019-02-21 08:19:13Z $
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*/
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#ifndef _bcmwifi_channels_h_
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#define _bcmwifi_channels_h_
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/* A chanspec holds the channel number, band, bandwidth and primary 20MHz sideband */
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typedef uint16 chanspec_t;
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typedef uint16 chanspec_band_t;
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typedef uint16 chanspec_bw_t;
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typedef uint16 chanspec_subband_t;
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/* channel defines */
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#define CH_80MHZ_APART 16
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#define CH_40MHZ_APART 8
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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 1u /* Min channel in 2G band */
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#define CH_MAX_2G_CHANNEL 14u /* Max channel in 2G band */
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#define CH_MIN_2G_40M_CHANNEL 3u /* Min 40MHz center channel in 2G band */
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#define CH_MAX_2G_40M_CHANNEL 11u /* Max 40MHz center channel in 2G band */
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/* maximum # channels the s/w supports */
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#define MAXCHANNEL 224 /* max # supported channels. The max channel no is above,
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* this is that + 1 rounded up to a multiple of NBBY (8).
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* DO NOT MAKE it > 255: channels are uint8's all over
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*/
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#define MAXCHANNEL_NUM (MAXCHANNEL - 1) /* max channel number */
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#define INVCHANNEL 255 /* error value for a bad channel */
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/* channel bitvec */
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typedef struct {
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uint8 vec[MAXCHANNEL/8]; /* bitvec of channels */
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} chanvec_t;
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/* make sure channel num is within valid range */
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#define CH_NUM_VALID_RANGE(ch_num) ((ch_num) > 0 && (ch_num) <= MAXCHANNEL_NUM)
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#define CHSPEC_CTLOVLP(sp1, sp2, sep) \
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(ABS(wf_chspec_ctlchan(sp1) - wf_chspec_ctlchan(sp2)) < (sep))
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/* All builds use the new 11ac ratespec/chanspec */
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#undef D11AC_IOTYPES
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#define D11AC_IOTYPES
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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_CHAN1_MASK 0x000f
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#define WL_CHANSPEC_CHAN1_SHIFT 0
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#define WL_CHANSPEC_CHAN2_MASK 0x00f0
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#define WL_CHANSPEC_CHAN2_SHIFT 4
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#define WL_CHANSPEC_CTL_SB_MASK 0x0700
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#define WL_CHANSPEC_CTL_SB_SHIFT 8
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#define WL_CHANSPEC_CTL_SB_LLL 0x0000
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#define WL_CHANSPEC_CTL_SB_LLU 0x0100
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#define WL_CHANSPEC_CTL_SB_LUL 0x0200
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#define WL_CHANSPEC_CTL_SB_LUU 0x0300
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#define WL_CHANSPEC_CTL_SB_ULL 0x0400
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#define WL_CHANSPEC_CTL_SB_ULU 0x0500
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#define WL_CHANSPEC_CTL_SB_UUL 0x0600
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#define WL_CHANSPEC_CTL_SB_UUU 0x0700
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#define WL_CHANSPEC_CTL_SB_LL WL_CHANSPEC_CTL_SB_LLL
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#define WL_CHANSPEC_CTL_SB_LU WL_CHANSPEC_CTL_SB_LLU
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#define WL_CHANSPEC_CTL_SB_UL WL_CHANSPEC_CTL_SB_LUL
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#define WL_CHANSPEC_CTL_SB_UU WL_CHANSPEC_CTL_SB_LUU
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#define WL_CHANSPEC_CTL_SB_L WL_CHANSPEC_CTL_SB_LLL
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#define WL_CHANSPEC_CTL_SB_U WL_CHANSPEC_CTL_SB_LLU
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#define WL_CHANSPEC_CTL_SB_LOWER WL_CHANSPEC_CTL_SB_LLL
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#define WL_CHANSPEC_CTL_SB_UPPER WL_CHANSPEC_CTL_SB_LLU
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#define WL_CHANSPEC_CTL_SB_NONE WL_CHANSPEC_CTL_SB_LLL
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#define WL_CHANSPEC_BW_MASK 0x3800u
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#define WL_CHANSPEC_BW_SHIFT 11u
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#define WL_CHANSPEC_BW_5 0x0000u
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#define WL_CHANSPEC_BW_10 0x0800u
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#define WL_CHANSPEC_BW_20 0x1000u
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#define WL_CHANSPEC_BW_40 0x1800u
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#define WL_CHANSPEC_BW_80 0x2000u
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#define WL_CHANSPEC_BW_160 0x2800u
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#define WL_CHANSPEC_BW_8080 0x3000u
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#define WL_CHANSPEC_BAND_MASK 0xc000u
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#define WL_CHANSPEC_BAND_SHIFT 14u
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#define WL_CHANSPEC_BAND_2G 0x0000u
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#define WL_CHANSPEC_BAND_3G 0x4000u
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#define WL_CHANSPEC_BAND_4G 0x8000u
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#define WL_CHANSPEC_BAND_5G 0xc000u
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#define INVCHANSPEC 255u
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#define MAX_CHANSPEC 0xFFFFu
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#define WL_CHANNEL_BAND(ch) (((ch) <= CH_MAX_2G_CHANNEL) ? \
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WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G)
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/* channel defines */
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#define LOWER_20_SB(channel) (((channel) > CH_10MHZ_APART) ? \
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((channel) - CH_10MHZ_APART) : 0)
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#define UPPER_20_SB(channel) (((channel) < (MAXCHANNEL - CH_10MHZ_APART)) ? \
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((channel) + CH_10MHZ_APART) : 0)
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/* pass a 80MHz channel number (uint8) to get respective LL, UU, LU, UL */
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#define LL_20_SB(channel) (((channel) > 3 * CH_10MHZ_APART) ? ((channel) - 3 * CH_10MHZ_APART) : 0)
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#define UU_20_SB(channel) (((channel) < (MAXCHANNEL - 3 * CH_10MHZ_APART)) ? \
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((channel) + 3 * CH_10MHZ_APART) : 0)
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#define LU_20_SB(channel) LOWER_20_SB(channel)
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#define UL_20_SB(channel) UPPER_20_SB(channel)
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#define LOWER_40_SB(channel) ((channel) - CH_20MHZ_APART)
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#define UPPER_40_SB(channel) ((channel) + CH_20MHZ_APART)
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#define CHSPEC_WLCBANDUNIT(chspec) (CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
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#define CH20MHZ_CHSPEC(channel) (chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
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(((channel) <= CH_MAX_2G_CHANNEL) ? \
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WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
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#define NEXT_20MHZ_CHAN(channel) (((channel) < (MAXCHANNEL - CH_20MHZ_APART)) ? \
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((channel) + CH_20MHZ_APART) : 0)
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#define CH40MHZ_CHSPEC(channel, ctlsb) (chanspec_t) \
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((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
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((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
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WL_CHANSPEC_BAND_5G))
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#define CH80MHZ_CHSPEC(channel, ctlsb) (chanspec_t) \
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((channel) | (ctlsb) | \
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WL_CHANSPEC_BW_80 | WL_CHANSPEC_BAND_5G)
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#define CH160MHZ_CHSPEC(channel, ctlsb) (chanspec_t) \
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((channel) | (ctlsb) | \
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WL_CHANSPEC_BW_160 | WL_CHANSPEC_BAND_5G)
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/* simple MACROs to get different fields of chanspec */
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#ifdef WL11AC_80P80
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#define CHSPEC_CHANNEL(chspec) wf_chspec_channel(chspec)
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#else
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#define CHSPEC_CHANNEL(chspec) ((uint8)((chspec) & WL_CHANSPEC_CHAN_MASK))
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#endif // endif
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#define CHSPEC_CHAN1(chspec) ((chspec) & WL_CHANSPEC_CHAN1_MASK) >> WL_CHANSPEC_CHAN1_SHIFT
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#define CHSPEC_CHAN2(chspec) ((chspec) & WL_CHANSPEC_CHAN2_MASK) >> WL_CHANSPEC_CHAN2_SHIFT
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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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#ifdef WL11N_20MHZONLY
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#define CHSPEC_IS20(chspec) 1
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#define CHSPEC_IS20_2G(chspec) ((((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) && \
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CHSPEC_IS2G(chspec))
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#ifndef CHSPEC_IS40
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#define CHSPEC_IS40(chspec) 0
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#endif // endif
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#ifndef CHSPEC_IS80
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#define CHSPEC_IS80(chspec) 0
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#endif // endif
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#ifndef CHSPEC_IS160
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#define CHSPEC_IS160(chspec) 0
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#endif // endif
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#ifndef CHSPEC_IS8080
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#define CHSPEC_IS8080(chspec) 0
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#endif // endif
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/* see FOREACH_20_SB in !WL11N_20MHZONLY section */
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#define FOREACH_20_SB(chspec, channel) \
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for (channel = CHSPEC_CHANNEL(chspec); channel; channel = 0)
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/* see GET_ALL_SB in !WL11N_20MHZONLY section */
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#define GET_ALL_SB(chspec, psb) do { \
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psb[0] = CHSPEC_CHANNEL(chspec); \
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} while (0)
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#else /* !WL11N_20MHZONLY */
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#define CHSPEC_IS20(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
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#define CHSPEC_IS20_5G(chspec) ((((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) && \
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CHSPEC_IS5G(chspec))
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#ifndef CHSPEC_IS40
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#define CHSPEC_IS40(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
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#endif // endif
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#ifndef CHSPEC_IS80
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#define CHSPEC_IS80(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
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#endif // endif
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#ifndef CHSPEC_IS160
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#define CHSPEC_IS160(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_160)
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#endif // endif
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#ifndef CHSPEC_IS8080
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#define CHSPEC_IS8080(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_8080)
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#endif // endif
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/* pass a center channel and get channel offset from it by 10MHz */
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#define CH_OFF_10MHZ_MULTIPLES(channel, offset) ((uint8) (((offset) < 0) ? \
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(((channel) > (WL_CHANSPEC_CHAN_MASK & ((uint16)((-(offset)) * CH_10MHZ_APART)))) ?\
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((channel) + (offset) * CH_10MHZ_APART) : 0) : \
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(((channel) < (uint16)(MAXCHANNEL - (offset) * CH_10MHZ_APART)) ? \
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((channel) + (offset) * CH_10MHZ_APART) : 0)))
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#if defined(WL11AC_80P80) || defined(WL11AC_160)
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/* pass a 160MHz center channel to get 20MHz subband channel numbers */
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#define LLL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -7)
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#define LLU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -5)
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#define LUL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -3)
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#define LUU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -1)
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#define ULL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 1)
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#define ULU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 3)
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#define UUL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 5)
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#define UUU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 7)
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/* given an 80p80 channel, return the lower 80MHz sideband */
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#define LOWER_80_SB(chspec) (wf_chspec_primary80_channel(chspec) < \
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wf_chspec_secondary80_channel(chspec) ? \
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wf_chspec_primary80_channel(chspec) : wf_chspec_secondary80_channel(chspec))
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/* given an 80p80 channel, return the upper 80MHz sideband */
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#define UPPER_80_SB(chspec) (wf_chspec_primary80_channel(chspec) > \
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wf_chspec_secondary80_channel(chspec) ? \
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wf_chspec_primary80_channel(chspec) : wf_chspec_secondary80_channel(chspec))
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/* pass an 80P80 chanspec (not channel) to get 20MHz subnand channel numbers */
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#define LLL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), -3)
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#define LLU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), -1)
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#define LUL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), 1)
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#define LUU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), 3)
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#define ULL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), -3)
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#define ULU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), -1)
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#define UUL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), 1)
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#define UUU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), 3)
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/* get lowest 20MHz sideband of a given chspec
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* (works with 20, 40, 80, 160, 80p80)
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*/
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#define CH_FIRST_20_SB(chspec) ((uint8) (\
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CHSPEC_IS160(chspec) ? LLL_20_SB_160(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS8080(chspec) ? LLL_20_SB_8080(chspec) : (\
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CHSPEC_IS80(chspec) ? LL_20_SB(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS40(chspec) ? LOWER_20_SB(CHSPEC_CHANNEL(chspec)) : \
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CHSPEC_CHANNEL(chspec))))))
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/* get upper most 20MHz sideband of a given chspec
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* (works with 20, 40, 80, 160, 80p80)
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*/
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#define CH_LAST_20_SB(chspec) ((uint8) (\
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CHSPEC_IS160(chspec) ? UUU_20_SB_160(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS8080(chspec) ? UUU_20_SB_8080(chspec) : (\
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CHSPEC_IS80(chspec) ? UU_20_SB(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS40(chspec) ? UPPER_20_SB(CHSPEC_CHANNEL(chspec)) : \
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CHSPEC_CHANNEL(chspec))))))
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/* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
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* (works with 80p80 only)
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* resolves to 0 if called with upper most channel
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*/
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#define CH_NEXT_20_SB_IN_8080(chspec, channel) ((uint8) (\
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((uint8) ((channel) + CH_20MHZ_APART) > CH_LAST_20_SB(chspec) ? 0 : \
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((channel) == LUU_20_SB_8080(chspec) ? ULL_20_SB_8080(chspec) : \
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(channel) + CH_20MHZ_APART))))
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/* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
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* (works with 20, 40, 80, 160, 80p80)
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* resolves to 0 if called with upper most channel
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*/
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#define CH_NEXT_20_SB(chspec, channel) ((uint8) (\
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(CHSPEC_IS8080(chspec) ? CH_NEXT_20_SB_IN_8080((chspec), (channel)) : \
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((uint8) ((channel) + CH_20MHZ_APART) > CH_LAST_20_SB(chspec) ? 0 : \
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((channel) + CH_20MHZ_APART)))))
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#else /* WL11AC_80P80, WL11AC_160 */
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#define LLL_20_SB_160(channel) 0
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#define LLU_20_SB_160(channel) 0
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#define LUL_20_SB_160(channel) 0
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#define LUU_20_SB_160(channel) 0
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#define ULL_20_SB_160(channel) 0
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#define ULU_20_SB_160(channel) 0
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#define UUL_20_SB_160(channel) 0
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#define UUU_20_SB_160(channel) 0
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#define LOWER_80_SB(chspec) 0
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#define UPPER_80_SB(chspec) 0
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#define LLL_20_SB_8080(chspec) 0
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#define LLU_20_SB_8080(chspec) 0
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#define LUL_20_SB_8080(chspec) 0
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#define LUU_20_SB_8080(chspec) 0
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#define ULL_20_SB_8080(chspec) 0
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#define ULU_20_SB_8080(chspec) 0
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#define UUL_20_SB_8080(chspec) 0
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#define UUU_20_SB_8080(chspec) 0
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/* get lowest 20MHz sideband of a given chspec
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* (works with 20, 40, 80)
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*/
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#define CH_FIRST_20_SB(chspec) ((uint8) (\
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CHSPEC_IS80(chspec) ? LL_20_SB(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS40(chspec) ? LOWER_20_SB(CHSPEC_CHANNEL(chspec)) : \
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CHSPEC_CHANNEL(chspec))))
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/* get upper most 20MHz sideband of a given chspec
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* (works with 20, 40, 80, 160, 80p80)
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*/
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#define CH_LAST_20_SB(chspec) ((uint8) (\
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CHSPEC_IS80(chspec) ? UU_20_SB(CHSPEC_CHANNEL(chspec)) : (\
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CHSPEC_IS40(chspec) ? UPPER_20_SB(CHSPEC_CHANNEL(chspec)) : \
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CHSPEC_CHANNEL(chspec))))
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/* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
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* (works with 20, 40, 80, 160, 80p80)
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* resolves to 0 if called with upper most channel
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*/
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#define CH_NEXT_20_SB(chspec, channel) ((uint8) (\
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((uint8) ((channel) + CH_20MHZ_APART) > CH_LAST_20_SB(chspec) ? 0 : \
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((channel) + CH_20MHZ_APART))))
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#endif /* WL11AC_80P80, WL11AC_160 */
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/* Iterator for 20MHz side bands of a chanspec: (chanspec_t chspec, uint8 channel)
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* 'chspec' chanspec_t of interest (used in loop, better to pass a resolved value than a macro)
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* 'channel' must be a variable (not an expression).
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*/
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#define FOREACH_20_SB(chspec, channel) \
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for (channel = CH_FIRST_20_SB(chspec); channel; \
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channel = CH_NEXT_20_SB((chspec), channel))
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/* Uses iterator to populate array with all side bands involved (sorted lower to upper).
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* 'chspec' chanspec_t of interest
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* 'psb' pointer to uint8 array of enough size to hold all side bands for the given chspec
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*/
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#define GET_ALL_SB(chspec, psb) do { \
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uint8 channel, idx = 0; \
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chanspec_t chspec_local = chspec; \
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FOREACH_20_SB(chspec_local, channel) \
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(psb)[idx++] = channel; \
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} while (0)
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/* given a chanspec of any bw, tests if primary20 SB is in lower 20, 40, 80 respectively */
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#define IS_CTL_IN_L20(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_U) /* CTL SB is in low 20 of any 40 */
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#define IS_CTL_IN_L40(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_UL) /* in low 40 of any 80 */
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#define IS_CTL_IN_L80(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_ULL) /* in low 80 of 80p80/160 */
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#endif /* !WL11N_20MHZONLY */
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/* ULB introduced macros. Remove once ULB is cleaned from phy code */
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#define CHSPEC_IS2P5(chspec) 0
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#define CHSPEC_IS5(chspec) 0
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#define CHSPEC_IS10(chspec) 0
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#define CHSPEC_ISLE20(chspec) (CHSPEC_IS20(chspec))
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#define CHSPEC_BW_LE20(chspec) (CHSPEC_IS20(chspec))
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#define BW_LE40(bw) ((bw) == WL_CHANSPEC_BW_20 || ((bw) == WL_CHANSPEC_BW_40))
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#define BW_LE80(bw) (BW_LE40(bw) || ((bw) == WL_CHANSPEC_BW_80))
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#define BW_LE160(bw) (BW_LE80(bw) || ((bw) == WL_CHANSPEC_BW_160))
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#define CHSPEC_IS5G(chspec) (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
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#define CHSPEC_IS2G(chspec) (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
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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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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
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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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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
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#define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS5G(chspec) ? WLC_BAND_5G : WLC_BAND_2G)
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/**
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* Number of chars needed for wf_chspec_ntoa() destination character buffer.
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*/
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#define CHANSPEC_STR_LEN 20
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/*
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* This function returns TRUE if both the chanspec can co-exist in PHY.
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* Addition to primary20 channel, the function checks for side band for 2g 40 channels
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*/
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extern bool wf_chspec_coexist(chanspec_t chspec1, chanspec_t chspec2);
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#define CHSPEC_IS_BW_160_WIDE(chspec) (CHSPEC_BW(chspec) == WL_CHANSPEC_BW_160 ||\
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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.
|
*/
|
#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)))
|
|
#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)))
|
|
#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)))
|
|
#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)))
|
|
/* 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))
|
|
#define GET_ALL_EXT wf_get_all_ext
|
|
/*
|
* 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
|
|
/**
|
* Return the chanspec bandwidth in MHz
|
* Bandwidth of 160 MHz will be returned for 80+80MHz chanspecs.
|
*
|
* @param chspec chanspec_t
|
*
|
* @return bandwidth of chspec in MHz units
|
*/
|
extern uint wf_bw_chspec_to_mhz(chanspec_t chspec);
|
|
/**
|
* Convert chanspec to ascii string
|
*
|
* @param chspec chanspec format
|
* @param buf ascii string of chanspec
|
*
|
* @return pointer to buf with room for at least CHANSPEC_STR_LEN bytes
|
* Original chanspec in case of error
|
*
|
* @see CHANSPEC_STR_LEN
|
*/
|
extern char * wf_chspec_ntoa_ex(chanspec_t chspec, char *buf);
|
|
/**
|
* Convert chanspec to ascii string
|
*
|
* @param chspec chanspec format
|
* @param buf ascii string of chanspec
|
*
|
* @return pointer to buf with room for at least CHANSPEC_STR_LEN bytes
|
* NULL in case of error
|
*
|
* @see CHANSPEC_STR_LEN
|
*/
|
extern char * wf_chspec_ntoa(chanspec_t chspec, char *buf);
|
|
/**
|
* Convert ascii string to chanspec
|
*
|
* @param a pointer to input string
|
*
|
* @return >= 0 if successful or 0 otherwise
|
*/
|
extern chanspec_t wf_chspec_aton(const char *a);
|
|
/**
|
* Verify the chanspec fields are valid.
|
*
|
* Verify the chanspec is using a legal set field values, i.e. that the chanspec
|
* specified a band, bw, primary_sb, and channel and that the combination could be
|
* legal given some set of circumstances.
|
*
|
* @param chanspec input chanspec to verify
|
*
|
* @return TRUE if the chanspec is malformed, FALSE if it looks good.
|
*/
|
extern bool wf_chspec_malformed(chanspec_t chanspec);
|
|
/**
|
* Verify the chanspec specifies a valid channel according to 802.11.
|
*
|
* @param chanspec input chanspec to verify
|
*
|
* @return TRUE if the chanspec is a valid 802.11 channel
|
*/
|
extern bool wf_chspec_valid(chanspec_t chanspec);
|
|
/**
|
* Return the primary 20MHz channel.
|
*
|
* This function returns the channel number of the primary 20MHz channel. For
|
* 20MHz channels this is just the channel number. For 40MHz or wider channels
|
* it is the primary 20MHz channel specified by the chanspec.
|
*
|
* @param chspec input chanspec
|
*
|
* @return Returns the channel number of the primary 20MHz channel
|
*/
|
extern uint8 wf_chspec_primary20_chan(chanspec_t chspec);
|
|
/* alias for old function name */
|
#define wf_chspec_ctlchan(c) wf_chspec_primary20_chan(c)
|
|
/**
|
* Return the bandwidth string.
|
*
|
* This function returns the bandwidth string for the passed chanspec.
|
*
|
* @param chspec input chanspec
|
*
|
* @return Returns the bandwidth string:
|
* "5", "10", "20", "40", "80", "160", "80+80"
|
*/
|
extern const char *wf_chspec_to_bw_str(chanspec_t chspec);
|
|
/**
|
* Create a 20MHz chanspec for the given band.
|
*/
|
chanspec_t wf_create_20MHz_chspec(uint channel, chanspec_band_t band);
|
|
/**
|
* Return the primary 20MHz chanspec.
|
*
|
* This function returns the chanspec of the primary 20MHz channel. For 20MHz
|
* channels this is just the chanspec. For 40MHz or wider channels it is the
|
* chanspec of the primary 20MHZ channel specified by the chanspec.
|
*
|
* @param chspec input chanspec
|
*
|
* @return Returns the chanspec of the primary 20MHz channel
|
*/
|
extern chanspec_t wf_chspec_primary20_chspec(chanspec_t chspec);
|
|
/* alias for old function name */
|
#define wf_chspec_ctlchspec(c) wf_chspec_primary20_chspec(c)
|
|
/**
|
* Return the primary 40MHz chanspec.
|
*
|
* This function returns the chanspec for the primary 40MHz of an 80MHz or wider channel.
|
* The primary 20MHz channel of the returned 40MHz chanspec is the same as the primary 20MHz
|
* channel of the input chanspec.
|
*/
|
extern chanspec_t wf_chspec_primary40_chspec(chanspec_t chspec);
|
|
/*
|
* Return the channel number for a given frequency and base frequency.
|
* The returned channel number is relative to the given base frequency.
|
* If the given base frequency is zero, a base frequency of 5 GHz is assumed for
|
* frequencies from 5 - 6 GHz, and 2.407 GHz is assumed for 2.4 - 2.5 GHz.
|
*
|
* Frequency is specified in MHz.
|
* The base frequency is specified as (start_factor * 500 kHz).
|
* Constants WF_CHAN_FACTOR_2_4_G, WF_CHAN_FACTOR_5_G are defined for
|
* 2.4 GHz and 5 GHz bands.
|
*
|
* The returned channel will be in the range [1, 14] in the 2.4 GHz band
|
* and [0, 200] otherwise.
|
* -1 is returned if the start_factor is WF_CHAN_FACTOR_2_4_G and the
|
* frequency is not a 2.4 GHz channel, or if the frequency is not and even
|
* multiple of 5 MHz from the base frequency to the base plus 1 GHz.
|
*
|
* Reference 802.11-2016, section 17.3.8.3 and section 16.3.6.3
|
*
|
* @param freq frequency in MHz
|
* @param start_factor base frequency in 500 kHz units, e.g. 10000 for 5 GHz
|
*
|
* @return Returns a channel number
|
*
|
* @see WF_CHAN_FACTOR_2_4_G
|
* @see WF_CHAN_FACTOR_5_G
|
*/
|
extern int wf_mhz2channel(uint freq, uint start_factor);
|
|
/**
|
* Return the center frequency in MHz of the given channel and base frequency.
|
*
|
* Return the center frequency in MHz of the given channel and base frequency.
|
* The channel number is interpreted relative to the given base frequency.
|
*
|
* The valid channel range is [1, 14] in the 2.4 GHz band and [0, 200] otherwise.
|
* The base frequency is specified as (start_factor * 500 kHz).
|
* Constants WF_CHAN_FACTOR_2_4_G, WF_CHAN_FACTOR_5_G are defined for
|
* 2.4 GHz and 5 GHz bands.
|
* The channel range of [1, 14] is only checked for a start_factor of
|
* WF_CHAN_FACTOR_2_4_G (4814).
|
* Odd start_factors produce channels on .5 MHz boundaries, in which case
|
* the answer is rounded down to an integral MHz.
|
* -1 is returned for an out of range channel.
|
*
|
* Reference 802.11-2016, section 17.3.8.3 and section 16.3.6.3
|
*
|
* @param channel input channel number
|
* @param start_factor base frequency in 500 kHz units, e.g. 10000 for 5 GHz
|
*
|
* @return Returns a frequency in MHz
|
*
|
* @see WF_CHAN_FACTOR_2_4_G
|
* @see WF_CHAN_FACTOR_5_G
|
*/
|
extern int wf_channel2mhz(uint channel, uint start_factor);
|
|
/**
|
* Returns the chanspec 80Mhz channel corresponding to the following input
|
* parameters
|
*
|
* primary_channel - primary 20Mhz channel
|
* center_channel - center frequecny of the 80Mhz channel
|
*
|
* The center_channel can be one of {42, 58, 106, 122, 138, 155}
|
*
|
* returns INVCHANSPEC in case of error
|
*/
|
extern chanspec_t wf_chspec_80(uint8 center_channel, uint8 primary_channel);
|
|
/**
|
* Convert ctl chan and bw to chanspec
|
*
|
* @param ctl_ch channel
|
* @param bw bandwidth
|
*
|
* @return > 0 if successful or 0 otherwise
|
*
|
*/
|
extern uint16 wf_channel2chspec(uint ctl_ch, uint bw);
|
|
extern uint wf_channel2freq(uint channel);
|
extern uint wf_freq2channel(uint freq);
|
|
/*
|
* Returns the 80+80 MHz chanspec corresponding to the following input parameters
|
*
|
* primary_20mhz - Primary 20 MHz channel
|
* chan0_80MHz - center channel number of one frequency segment
|
* chan1_80MHz - center channel number of the other frequency segment
|
*
|
* Parameters chan0_80MHz and chan1_80MHz are channel numbers in {42, 58, 106, 122, 138, 155}.
|
* The primary channel must be contained in one of the 80MHz channels. This routine
|
* will determine which frequency segment is the primary 80 MHz segment.
|
*
|
* Returns INVCHANSPEC in case of error.
|
*
|
* Refer to 802.11-2016 section 22.3.14 "Channelization".
|
*/
|
extern chanspec_t wf_chspec_get8080_chspec(uint8 primary_20mhz,
|
uint8 chan0_80Mhz, uint8 chan1_80Mhz);
|
|
/**
|
* Returns the center channel of the primary 80 MHz sub-band of the provided chanspec
|
*
|
* @param chspec input chanspec
|
*
|
* @return center channel number of the primary 80MHz sub-band of the input.
|
* Will return the center channel of an input 80MHz chspec.
|
* Will return INVCHANNEL if the chspec is malformed or less than 80MHz bw.
|
*/
|
extern uint8 wf_chspec_primary80_channel(chanspec_t chanspec);
|
|
/**
|
* Returns the center channel of the secondary 80 MHz sub-band of the provided chanspec
|
*
|
* @param chspec input chanspec
|
*
|
* @return center channel number of the secondary 80MHz sub-band of the input.
|
* Will return INVCHANNEL if the chspec is malformed or bw is not greater than 80MHz.
|
*/
|
extern uint8 wf_chspec_secondary80_channel(chanspec_t chanspec);
|
|
/**
|
* Returns the chanspec for the primary 80MHz sub-band of an 160MHz or 80+80 channel
|
*
|
* @param chspec input chanspec
|
*
|
* @return An 80MHz chanspec describing the primary 80MHz sub-band of the input.
|
* Will return an input 80MHz chspec as is.
|
* Will return INVCHANSPEC if the chspec is malformed or less than 80MHz bw.
|
*/
|
extern chanspec_t wf_chspec_primary80_chspec(chanspec_t chspec);
|
|
/**
|
* Returns the chanspec for the secondary 80MHz sub-band of an 160MHz or 80+80 channel
|
* The sideband in the chanspec is always set to WL_CHANSPEC_CTL_SB_LL since this sub-band
|
* does not contain the primary 20MHz channel.
|
*
|
* @param chspec input chanspec
|
*
|
* @return An 80MHz chanspec describing the secondary 80MHz sub-band of the input.
|
* Will return INVCHANSPEC if the chspec is malformed or bw is not greater than 80MHz.
|
*/
|
extern chanspec_t wf_chspec_secondary80_chspec(chanspec_t chspec);
|
|
/*
|
* For 160MHz or 80P80 chanspec, set ch[0]/ch[1] to be the low/high 80 Mhz channels
|
*
|
* For 20/40/80MHz chanspec, set ch[0] to be the center freq, and chan[1]=-1
|
*/
|
extern void wf_chspec_get_80p80_channels(chanspec_t chspec, uint8 *ch);
|
|
#ifdef WL11AC_80P80
|
/*
|
* This function returns the centre chanel for the given chanspec.
|
* In case of 80+80 chanspec it returns the primary 80 Mhz centre channel
|
*/
|
extern uint8 wf_chspec_channel(chanspec_t chspec);
|
#endif // endif
|
extern chanspec_t wf_channel_create_chspec_frm_opclass(uint8 opclass, uint8 channel);
|
extern int wf_channel_create_opclass_frm_chspec(chanspec_t chspec);
|
|
/* Populates array with all 20MHz side bands of a given chanspec_t in the following order:
|
* primary20, ext20, two ext40s, four ext80s.
|
* 'chspec' is the chanspec of interest
|
* 'pext' must point to an uint8 array of long enough to hold all side bands of the given chspec
|
*
|
* Works with 20, 40, 80, 80p80 and 160MHz chspec
|
*/
|
|
extern void wf_get_all_ext(chanspec_t chspec, uint8 *chan_ptr);
|
|
/*
|
* Given two chanspecs, returns true if they overlap.
|
* (Overlap: At least one 20MHz subband is common between the two chanspecs provided)
|
*/
|
extern bool wf_chspec_overlap(chanspec_t chspec0, chanspec_t chspec1);
|
|
extern uint8 channel_bw_to_width(chanspec_t chspec);
|
#endif /* _bcmwifi_channels_h_ */
|
