632 lines
23 KiB
C
Executable File
632 lines
23 KiB
C
Executable File
/*
|
|
* 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) 1999-2016, Broadcom Corporation
|
|
*
|
|
* Unless you and Broadcom execute a separate written software license
|
|
* agreement governing use of this software, this software is licensed to you
|
|
* under the terms of the GNU General Public License version 2 (the "GPL"),
|
|
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
|
|
* following added to such license:
|
|
*
|
|
* As a special exception, the copyright holders of this software give you
|
|
* permission to link this software with independent modules, and to copy and
|
|
* distribute the resulting executable under terms of your choice, provided that
|
|
* you also meet, for each linked independent module, the terms and conditions of
|
|
* the license of that module. An independent module is a module which is not
|
|
* derived from this software. The special exception does not apply to any
|
|
* modifications of the software.
|
|
*
|
|
* Notwithstanding the above, under no circumstances may you combine this
|
|
* software in any way with any other Broadcom software provided under a license
|
|
* other than the GPL, without Broadcom's express prior written consent.
|
|
*
|
|
*
|
|
* <<Broadcom-WL-IPTag/Open:>>
|
|
*
|
|
* $Id: bcmwifi_channels.h 591285 2015-10-07 11:56:29Z $
|
|
*/
|
|
|
|
#ifndef _bcmwifi_channels_h_
|
|
#define _bcmwifi_channels_h_
|
|
|
|
|
|
/* 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
|
|
|
|
/**
|
|
* 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, ctl_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 (control) 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_ctlchan(chanspec_t chspec);
|
|
|
|
/*
|
|
* Return the bandwidth string.
|
|
*
|
|
* This function returns the bandwidth string for the passed chanspec.
|
|
*
|
|
* @param chspec input chanspec
|
|
*
|
|
* @return Returns the bandwidth string
|
|
*/
|
|
extern char * wf_chspec_to_bw_str(chanspec_t chspec);
|
|
|
|
/**
|
|
* Return the primary (control) 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_ctlchspec(chanspec_t chspec);
|
|
|
|
/**
|
|
* Return a channel number corresponding to a frequency.
|
|
*
|
|
* This function returns the chanspec for the primary 40MHz of an 80MHz channel.
|
|
* The control sideband specifies the same 20MHz channel that the 80MHz channel is using
|
|
* as the primary 20MHz channel.
|
|
*/
|
|
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 REVma, section 17.3.8.3, and 802.11B section 18.4.6.2
|
|
*
|
|
* @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 REVma, section 17.3.8.3, and 802.11B section 18.4.6.2
|
|
*
|
|
* @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 IEEE802.11ac section 22.3.14 "Channelization".
|
|
*/
|
|
extern chanspec_t wf_chspec_get8080_chspec(uint8 primary_20mhz,
|
|
uint8 chan0_80Mhz, uint8 chan1_80Mhz);
|
|
|
|
/*
|
|
* Returns the primary 80 Mhz channel for the provided chanspec
|
|
*
|
|
* chanspec - Input chanspec for which the 80MHz primary channel has to be retrieved
|
|
*
|
|
* returns -1 in case the provided channel is 20/40 Mhz chanspec
|
|
*/
|
|
extern uint8 wf_chspec_primary80_channel(chanspec_t chanspec);
|
|
|
|
/*
|
|
* Returns the secondary 80 Mhz channel for the provided chanspec
|
|
*
|
|
* chanspec - Input chanspec for which the 80MHz secondary channel has to be retrieved
|
|
*
|
|
* returns -1 in case the provided channel is 20/40 Mhz chanspec
|
|
*/
|
|
extern uint8 wf_chspec_secondary80_channel(chanspec_t chanspec);
|
|
|
|
/*
|
|
* This function returns the chanspec for the primary 80MHz of an 160MHz or 80+80 channel.
|
|
*/
|
|
extern chanspec_t wf_chspec_primary80_chspec(chanspec_t chspec);
|
|
|
|
#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 /* _bcmwifi_channels_h_ */
|