/* * 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) 2022, Broadcom. * * 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. * * * <> */ #ifndef _bcmwifi_channels_h_ #define _bcmwifi_channels_h_ /* A chanspec holds the channel number, band, bandwidth and primary 20MHz sub-band */ typedef uint16 chanspec_t; typedef uint16 chanspec_band_t; typedef uint16 chanspec_bw_t; typedef uint16 chanspec_subband_t; /* channel defines */ #define CH_80MHZ_APART 16u #define CH_40MHZ_APART 8u #define CH_20MHZ_APART 4u #define CH_10MHZ_APART 2u #define CH_5MHZ_APART 1u /* 2G band channels are 5 Mhz apart */ #define CH_160MHZ_APART (32u * CH_5MHZ_APART) /* 32 5Mhz-spaces */ #define CH_MIN_2G_CHANNEL 1u /* Min channel in 2G band */ #define CH_MAX_2G_CHANNEL 14u /* Max channel in 2G band */ #define CH_MIN_2G_40M_CHANNEL 3u /* Min 40MHz center channel in 2G band */ #define CH_MAX_2G_40M_CHANNEL 11u /* Max 40MHz center channel in 2G band */ #define CH_MIN_6G_CHANNEL 1u /* Min 20MHz channel in 6G band */ #define CH_MAX_6G_CHANNEL 253u /* Max 20MHz channel in 6G band */ #define CH_MIN_6G_40M_CHANNEL 3u /* Min 40MHz center channel in 6G band */ #define CH_MAX_6G_40M_CHANNEL 227u /* Max 40MHz center channel in 6G band */ #define CH_MIN_6G_80M_CHANNEL 7u /* Min 80MHz center channel in 6G band */ #define CH_MAX_6G_80M_CHANNEL 215u /* Max 80MHz center channel in 6G band */ #define CH_MIN_6G_160M_CHANNEL 15u /* Min 160MHz center channel in 6G band */ #define CH_MAX_6G_160M_CHANNEL 207u /* Max 160MHz center channel in 6G band */ #define CH_MIN_6G_240M_CHANNEL 23u /* Min 240MHz center channel in 6G band */ #define CH_MAX_6G_240M_CHANNEL 167u /* Max 240MHz center channel in 6G band */ #define CH_MIN_6G_320M_CHANNEL 31u /* Min 320MHz center channel in 6G band */ #define CH_MAX_6G_320M_CHANNEL 199u /* Max 320MHz center channel in 6G band */ /* maximum # channels the s/w supports */ #define MAXCHANNEL 254u /* max # supported channels. * DO NOT MAKE > 255: channels are uint8's all over */ #define MAXCHANNEL_NUM (MAXCHANNEL - 1) /* max channel number */ #define INVCHANNEL 255u /* error value for a bad channel */ /* length of channel vector bitmap is the MAXCHANNEL we want to handle rounded up to a byte */ /* The actual CHANVEC_LEN fix is leading to high static memory impact * in all projects wherein the previous CHANVEC_LEN definition is used. * * Retaining the previous definition under MAXCHNL_ROM_COMPAT flag. * All those chip porgrams where memory impact is observed need to define the same. */ #ifdef MAXCHNL_ROM_COMPAT #define CHANVEC_LEN (MAXCHANNEL + (8 - 1) / 8) #else #define CHANVEC_LEN ((MAXCHANNEL + (8 - 1)) / 8) #endif /* channel bitvec */ typedef struct { uint8 vec[CHANVEC_LEN]; /* 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) \ ((uint)ABS(wf_chspec_ctlchan(sp1) - wf_chspec_ctlchan(sp2)) < (uint)(sep)) /* All builds use the new 11ac ratespec/chanspec */ #undef D11AC_IOTYPES #define D11AC_IOTYPES /* For contiguous channel bandwidth other than 240MHz/320Mhz */ #define WL_CHANSPEC_CHAN_MASK 0x00ffu #define WL_CHANSPEC_CHAN_SHIFT 0u /* For contiguous channel bandwidth >= 240MHz */ #define WL_CHANSPEC_GE240_CHAN_MASK 0x0003u #define WL_CHANSPEC_GE240_CHAN_SHIFT 0u /* For discontiguous channel bandwidth */ #define WL_CHANSPEC_CHAN0_MASK 0x000fu #define WL_CHANSPEC_CHAN0_SHIFT 0u #define WL_CHANSPEC_CHAN1_MASK 0x00f0u #define WL_CHANSPEC_CHAN1_SHIFT 4u /* Non-320/Non-240 Mhz channel sideband indication */ #define WL_CHANSPEC_CTL_SB_MASK 0x0700u #define WL_CHANSPEC_CTL_SB_SHIFT 8u #define WL_CHANSPEC_CTL_SB_LLL 0x0000u #define WL_CHANSPEC_CTL_SB_LLU 0x0100u #define WL_CHANSPEC_CTL_SB_LUL 0x0200u #define WL_CHANSPEC_CTL_SB_LUU 0x0300u #define WL_CHANSPEC_CTL_SB_ULL 0x0400u #define WL_CHANSPEC_CTL_SB_ULU 0x0500u #define WL_CHANSPEC_CTL_SB_UUL 0x0600u #define WL_CHANSPEC_CTL_SB_UUU 0x0700u #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 /* channel sideband indication for frequency >= 240MHz */ #define WL_CHANSPEC_GE240_SB_MASK 0x0780u #define WL_CHANSPEC_GE240_SB_SHIFT 7u /* Bandwidth field */ #define WL_CHANSPEC_BW_MASK 0x3800u #define WL_CHANSPEC_BW_SHIFT 11u #define WL_CHANSPEC_BW_320 0x0000u #define WL_CHANSPEC_BW_160160 0x0800u #define WL_CHANSPEC_BW_20 0x1000u #define WL_CHANSPEC_BW_40 0x1800u #define WL_CHANSPEC_BW_80 0x2000u #define WL_CHANSPEC_BW_160 0x2800u #define WL_CHANSPEC_BW_8080 0x3000u #define WL_CHANSPEC_BW_240 0x3800u /* Band field */ #define WL_CHANSPEC_BAND_MASK 0xc000u #define WL_CHANSPEC_BAND_SHIFT 14u #define WL_CHANSPEC_BAND_2G 0x0000u #define WL_CHANSPEC_BAND_6G 0x4000u #define WL_CHANSPEC_BAND_4G 0x8000u #define WL_CHANSPEC_BAND_5G 0xc000u #define INVCHANSPEC 255u #define MAX_CHANSPEC 0xFFFFu #define WL_CHSPEC_BW(chspec) ((chspec & WL_CHANSPEC_BW_MASK) >> WL_CHANSPEC_BW_SHIFT) #define MAX_BW_NUM (uint8)(((WL_CHANSPEC_BW_MASK) >> WL_CHANSPEC_BW_SHIFT)) #define WL_CHANNEL_BAND(ch) (((uint)(ch) <= CH_MAX_2G_CHANNEL) ? \ WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G) /* 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) /* pass a 80MHz channel number (uint8) to get respective LL, UU, LU, UL */ #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) #ifndef CHSPEC_WLCBANDUNIT #define CHSPEC_WLCBANDUNIT(chspec) \ ((CHSPEC_IS5G(chspec) || CHSPEC_IS6G(chspec)) ? BAND_5G_INDEX : BAND_2G_INDEX) #endif #define CH20MHZ_CHSPEC(channel) (chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \ WL_CHANNEL_BAND(channel)) #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 | \ WL_CHANNEL_BAND(channel)) #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) /* simple MACROs to get different fields of chanspec */ #define CHSPEC_CHANNEL(chspec) ((uint8)((chspec) & WL_CHANSPEC_CHAN_MASK)) #define CHSPEC_CHAN0(chspec) (((chspec) & WL_CHANSPEC_CHAN0_MASK) >> WL_CHANSPEC_CHAN0_SHIFT) #define CHSPEC_CHAN1(chspec) (((chspec) & WL_CHANSPEC_CHAN1_MASK) >> WL_CHANSPEC_CHAN1_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) #define CHSPEC_GE240_CHAN(chspec) (((chspec) & WL_CHANSPEC_GE240_CHAN_MASK) >> \ WL_CHANSPEC_GE240_CHAN_SHIFT) #define CHSPEC_GE240_SB(chspec) ((chspec) & WL_CHANSPEC_GE240_SB_MASK) #define CHSPEC_IS20(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) #define CHSPEC_IS20_5G(chspec) ((((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) && \ CHSPEC_IS5G(chspec)) #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 #ifdef WFC_NON_CONT_CHAN #define CHSPEC_IS8080(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_8080) #else #define CHSPEC_IS8080(chspec) (FALSE) #endif #endif /* CHSPEC_IS8080 */ #ifndef CHSPEC_IS320 #ifdef WL11BE #define CHSPEC_IS320(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_320) #else #define CHSPEC_IS320(chspec) (FALSE) #endif #endif /* CHSPEC_IS320 */ #ifndef CHSPEC_IS240 #ifdef WL11BE #define CHSPEC_IS240(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_240) #else #define CHSPEC_IS240(chspec) (FALSE) #endif #endif /* CHSPEC_IS240 */ #ifndef CHSPEC_IS160160 #ifdef WFC_NON_CONT_CHAN #define CHSPEC_IS160160(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_160160) #else #define CHSPEC_IS160160(chspec) (FALSE) #endif #endif /* CHSPEC_IS160160 */ /* pass a center channel and get channel offset from it by 10MHz */ #define CH_OFF_10MHZ_MULTIPLES(channel, offset) \ ((uint8) (((offset) < 0) ? \ (((channel) > (WL_CHANSPEC_CHAN_MASK & ((uint16)((-(offset)) * CH_10MHZ_APART)))) ? \ ((channel) + (offset) * CH_10MHZ_APART) : 0) : \ ((((uint16)(channel) + (uint16)(offset) * CH_10MHZ_APART) < (uint16)MAXCHANNEL) ? \ ((channel) + (offset) * CH_10MHZ_APART) : 0))) uint wf_chspec_first_20_sb(chanspec_t chspec); #if defined(WL_BW160MHZ) /* pass a 160MHz center channel to get 20MHz subband channel numbers */ #define LLL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -7) #define LLU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -5) #define LUL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -3) #define LUU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, -1) #define ULL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 1) #define ULU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 3) #define UUL_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 5) #define UUU_20_SB_160(channel) CH_OFF_10MHZ_MULTIPLES(channel, 7) /* given an 80p80 channel, return the lower 80MHz sideband */ #define LOWER_80_SB(chspec) (wf_chspec_primary80_channel(chspec) < \ wf_chspec_secondary80_channel(chspec) ? \ wf_chspec_primary80_channel(chspec) : wf_chspec_secondary80_channel(chspec)) /* given an 80p80 channel, return the upper 80MHz sideband */ #define UPPER_80_SB(chspec) (wf_chspec_primary80_channel(chspec) > \ wf_chspec_secondary80_channel(chspec) ? \ wf_chspec_primary80_channel(chspec) : wf_chspec_secondary80_channel(chspec)) /* pass an 80P80 chanspec (not channel) to get 20MHz subnand channel numbers */ #define LLL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), -3) #define LLU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), -1) #define LUL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), 1) #define LUU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(LOWER_80_SB(chspec), 3) #define ULL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), -3) #define ULU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), -1) #define UUL_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), 1) #define UUU_20_SB_8080(chspec) CH_OFF_10MHZ_MULTIPLES(UPPER_80_SB(chspec), 3) /* get lowest 20MHz sideband of a given chspec * (works with 20, 40, 80, 160) */ #define CH_FIRST_20_SB(chspec) ((uint8) (\ CHSPEC_IS160(chspec) ? LLL_20_SB_160(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS80(chspec) ? LL_20_SB(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS40(chspec) ? LOWER_20_SB(CHSPEC_CHANNEL(chspec)) : \ CHSPEC_CHANNEL(chspec))))) /* get upper most 20MHz sideband of a given chspec * (works with 20, 40, 80, 160) */ #define CH_LAST_20_SB(chspec) ((uint8) (\ CHSPEC_IS160(chspec) ? UUU_20_SB_160(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS80(chspec) ? UU_20_SB(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS40(chspec) ? UPPER_20_SB(CHSPEC_CHANNEL(chspec)) : \ CHSPEC_CHANNEL(chspec))))) /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband * (works with 20, 40, 80, 160) * resolves to 0 if called with upper most channel */ #define CH_NEXT_20_SB(chspec, channel) ((uint8) (\ ((uint8) ((channel) + CH_20MHZ_APART) > CH_LAST_20_SB(chspec) ? 0 : \ ((channel) + CH_20MHZ_APART)))) #else /* WL_BW160MHZ */ #define LLL_20_SB_160(channel) 0 #define LLU_20_SB_160(channel) 0 #define LUL_20_SB_160(channel) 0 #define LUU_20_SB_160(channel) 0 #define ULL_20_SB_160(channel) 0 #define ULU_20_SB_160(channel) 0 #define UUL_20_SB_160(channel) 0 #define UUU_20_SB_160(channel) 0 #define LOWER_80_SB(chspec) 0 #define UPPER_80_SB(chspec) 0 /* get lowest 20MHz sideband of a given chspec * (works with 20, 40, 80) */ #define CH_FIRST_20_SB(chspec) ((uint8) (\ CHSPEC_IS80(chspec) ? LL_20_SB(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS40(chspec) ? LOWER_20_SB(CHSPEC_CHANNEL(chspec)) : \ CHSPEC_CHANNEL(chspec)))) /* get upper most 20MHz sideband of a given chspec * (works with 20, 40, 80, 160) */ #define CH_LAST_20_SB(chspec) ((uint8) (\ CHSPEC_IS80(chspec) ? UU_20_SB(CHSPEC_CHANNEL(chspec)) : (\ CHSPEC_IS40(chspec) ? UPPER_20_SB(CHSPEC_CHANNEL(chspec)) : \ CHSPEC_CHANNEL(chspec)))) /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband * (works with 20, 40, 80, 160) * resolves to 0 if called with upper most channel */ #define CH_NEXT_20_SB(chspec, channel) ((uint8) (\ ((uint8) ((channel) + CH_20MHZ_APART) > CH_LAST_20_SB(chspec) ? 0 : \ ((channel) + CH_20MHZ_APART)))) #endif /* WL_BW160MHZ */ /* Iterator for 20MHz side bands of a chanspec: (chanspec_t chspec, uint8 channel) * 'chspec' chanspec_t of interest (used in loop, better to pass a resolved value than a macro) * 'channel' must be a variable (not an expression). */ #define FOREACH_20_SB(chspec, channel) \ for (channel = (uint8)wf_chspec_first_20_sb(chspec); channel; \ channel = CH_NEXT_20_SB((chspec), channel)) /* Uses iterator to populate array with all side bands involved (sorted lower to upper). * 'chspec' chanspec_t of interest * 'psb' pointer to uint8 array of enough size to hold all side bands for the given chspec */ #define GET_ALL_SB(chspec, psb) do { \ uint8 channel, idx = 0; \ chanspec_t chspec_local = chspec; \ FOREACH_20_SB(chspec_local, channel) \ (psb)[idx++] = channel; \ } while (0) /* given a chanspec of any bw, tests if primary20 SB is in lower 20, 40, 80 respectively */ #define IS_CTL_IN_L20(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_U) /* CTL SB is in low 20 of any 40 */ #define IS_CTL_IN_L40(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_UL) /* in low 40 of any 80 */ #define IS_CTL_IN_L80(chspec) !((chspec) & WL_CHANSPEC_CTL_SB_ULL) /* in low 80 of 160 */ #define BW_LE40(bw) ((bw) == WL_CHANSPEC_BW_20 || ((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_IS6G(chspec) (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_6G) #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)) #ifdef WL_BAND6G #define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS2G(chspec) ? WLC_BAND_2G : CHSPEC_IS5G(chspec) ? \ WLC_BAND_5G : WLC_BAND_6G) #else #define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS2G(chspec) ? WLC_BAND_2G : WLC_BAND_5G) #endif #define CHSPEC_BW_CHANGED(prev_chspec, curr_chspec) \ (((prev_chspec) & WL_CHANSPEC_BW_MASK) != ((curr_chspec) & WL_CHANSPEC_BW_MASK)) #if (defined(WL_BAND6G) && !defined(WL_BAND6G_DISABLED)) #define CHSPEC_IS_5G_6G(chspec) (CHSPEC_IS5G(chspec) || CHSPEC_IS6G(chspec)) #define CHSPEC_IS20_5G_6G(chspec) ((((chspec) & \ WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) && \ (CHSPEC_IS5G(chspec) || CHSPEC_IS6G(chspec))) #else #define CHSPEC_IS_5G_6G(chspec) (CHSPEC_IS5G(chspec)) #define CHSPEC_IS20_5G_6G(chspec) (CHSPEC_IS20_5G(chspec)) #endif /** * Number of chars needed for wf_chspec_ntoa() destination character buffer. */ #ifdef WL11BE #define CHANSPEC_STR_LEN 22 #else #define CHANSPEC_STR_LEN 20 #endif /* * This function returns TRUE if both the chanspec can co-exist in PHY. * Addition to primary20 channel, the function checks for side band for 2g 40 channels */ extern bool wf_chspec_coexist(chanspec_t chspec1, chanspec_t chspec2); #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. */ #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_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 4814u /* 2.4 GHz band, 2407 MHz */ /** * Channel Factor for the starting frequence of 4.9 GHz channels. * The value corresponds to 4000 MHz. */ #define WF_CHAN_FACTOR_4_G 8000u /* 4.9 GHz band for Japan */ /** * Channel Factor for the starting frequence of 5 GHz channels. * The value corresponds to 5000 MHz. */ #define WF_CHAN_FACTOR_5_G 10000u /* 5 GHz band, 5000 MHz */ /** * Channel Factor for the starting frequence of 6 GHz channels. * The value corresponds to 5940 MHz. */ #define WF_CHAN_FACTOR_6_G 11900u /* 6 GHz band, 5950 MHz */ #define WLC_2G_25MHZ_OFFSET 5 /* 2.4GHz band channel offset */ /** * No of sub-band value of the specified Mhz chanspec */ #define WF_NUM_SIDEBANDS_40MHZ 2u #define WF_NUM_SIDEBANDS_80MHZ 4u #define WF_NUM_SIDEBANDS_160MHZ 8u /** * Return the chanspec bandwidth in MHz */ uint wf_bw_chspec_to_mhz(chanspec_t chspec); /** * Return the bandwidth string for a given chanspec */ const char *wf_chspec_to_bw_str(chanspec_t chspec); /** * Convert chanspec to ascii string, or formats hex of an invalid chanspec. */ char * wf_chspec_ntoa_ex(chanspec_t chspec, char *buf); /** * Convert chanspec to ascii string, or returns NULL on error. */ char * wf_chspec_ntoa(chanspec_t chspec, char *buf); /** * Convert ascii string to chanspec */ chanspec_t wf_chspec_aton(const char *a); /** * Verify the chanspec fields are valid for a chanspec_t */ bool wf_chspec_malformed(chanspec_t chanspec); /** * Verify the chanspec specifies a valid channel according to 802.11. */ bool wf_chspec_valid(chanspec_t chanspec); /** * Verify that the channel is a valid 20MHz channel according to 802.11. */ bool wf_valid_20MHz_chan(uint channel, chanspec_band_t band); /** * Verify that the center channel is a valid 40MHz center channel according to 802.11. */ bool wf_valid_40MHz_center_chan(uint center_channel, chanspec_band_t band); /** * Verify that the center channel is a valid 80MHz center channel according to 802.11. */ bool wf_valid_80MHz_center_chan(uint center_channel, chanspec_band_t band); /** * Verify that the center channel is a valid 160MHz center channel according to 802.11. */ bool wf_valid_160MHz_center_chan(uint center_channel, chanspec_band_t band); /** * Verify that the center channel is a valid 240MHz center channel according to 802.11. */ bool wf_valid_240MHz_center_chan(uint center_channel, chanspec_band_t band); /** * Verify that the center channel is a valid 320MHz center channel according to 802.11. */ bool wf_valid_320MHz_center_chan(uint center_channel, chanspec_band_t band); /** * Create a 20MHz chanspec for the given band. */ chanspec_t wf_create_20MHz_chspec(uint channel, chanspec_band_t band); /** * Returns the chanspec for a 40MHz channel given the primary 20MHz channel number, * the center channel number, and the band. */ chanspec_t wf_create_40MHz_chspec(uint primary_channel, uint center_channel, chanspec_band_t band); /** * Returns the chanspec for a 40MHz channel given the primary 20MHz channel number, * the sub-band for the primary 20MHz channel, and the band. */ chanspec_t wf_create_40MHz_chspec_primary_sb(uint primary_channel, chanspec_subband_t primary_subband, chanspec_band_t band); /** * Returns the chanspec for an 80MHz channel given the primary 20MHz channel number, * the center channel number, and the band. */ chanspec_t wf_create_80MHz_chspec(uint primary_channel, uint center_channel, chanspec_band_t band); /** * Returns the chanspec for an 160MHz channel given the primary 20MHz channel number, * the center channel number, and the band. */ chanspec_t wf_create_160MHz_chspec(uint primary_channel, uint center_channel, chanspec_band_t band); /** * Returns the chanspec for an 240MHz channel given the primary 20MHz channel number, * the center channel number, and the band. */ chanspec_t wf_create_240MHz_chspec(uint primary_channel, uint center_channel, chanspec_band_t band); /** * Returns the chanspec for an 320MHz channel given the primary 20MHz channel number, * the center channel number, and the band. */ chanspec_t wf_create_320MHz_chspec(uint primary_channel, uint center_channel, chanspec_band_t band); /** * Returns the chanspec for an 80+80MHz channel given the primary 20MHz channel number, * the center channel numbers for each frequency segment, and the band. */ chanspec_t wf_create_8080MHz_chspec(uint primary_channel, uint chan0, uint chan1, chanspec_band_t band); /** * Returns the chanspec for an 160+160MHz channel given the primary 20MHz channel number, * the center channel numbers for each frequency segment, and the band. */ chanspec_t wf_create_160160MHz_chspec(uint primary_channel, uint chan0, uint chan1, chanspec_band_t band); /** * Returns the chanspec given the primary 20MHz channel number, * the center channel number, channel width, and the band. * * The channel width must be 20, 40, 80, or 160 MHz. 80+80 MHz chanspec creation * is not handled by this function, use wf_create_8080MHz_chspec() instead. */ chanspec_t wf_create_chspec(uint primary_channel, uint center_channel, chanspec_bw_t bw, chanspec_band_t band); /** * Returns the chanspec given the primary 20MHz channel number, * channel width, and the band. */ chanspec_t wf_create_chspec_from_primary(uint primary_channel, chanspec_bw_t bw, chanspec_band_t band); /** * Returns the chanspec given the index of primary 20MHz channel within whole * channel, the center channel number, channel width, and the band. * * The channel width must be 20, 40, 80, or 160 MHz. 80+80 MHz chanspec creation * is not handled by this function, use wf_create_8080MHz_chspec_prim_idx() instead. */ chanspec_t wf_create_chspec_sb(uint sb, uint center_channel, chanspec_bw_t bw, chanspec_band_t band); /** * Returns the chanspec for an 80+80MHz channel given the index of primary 20MHz * channel within whole channel pair (0-3 if within chan0, 4-7 if within chan1), * the center channel numbers for each frequency segment, and the band. */ chanspec_t wf_create_8080MHz_chspec_sb(uint sb, uint chan0, uint chan1, chanspec_band_t band); /** * Returns the chanspec for an 160+160MHz channel given the index of primary 20MHz * channel within whole channel pair (0-3 if within chan0, 4-7 if within chan1), * the center channel numbers for each frequency segment, and the band. */ chanspec_t wf_create_160160MHz_chspec_sb(uint sb, uint chan0, uint chan1, chanspec_band_t band); /** * Return the primary 20MHz channel. */ 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 primary 20MHz chanspec of a given chanspec */ 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 for a 40MHz or wider channel */ chanspec_t wf_chspec_primary40_chspec(chanspec_t chspec); /** * Return the chanspec band for a given frequency. */ chanspec_band_t wf_mhz2chanspec_band(uint freq); /** * Return the channel number for a given frequency and base frequency */ int wf_mhz2channel(uint freq, uint start_factor); /** * Return the center frequency in MHz of the given channel and base frequency. */ 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); /* * 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); /** * Returns the center channel of the primary 160MHz sub-band of the provided chanspec * * @param chspec input chanspec * * @return center channel number of the primary 160MHz sub-band of the input. * Will return the center channel of an input 160MHz chspec. * Will return INVCHANNEL if the chspec is malformed or less than 160MHz bw. */ extern uint8 wf_chspec_primary160_channel(chanspec_t chanspec); /** * Returns the chanspec for the primary 160MHz sub-band of an 320MHz channel * * @param chspec input chanspec * * @return An 160MHz chanspec describing the primary 160MHz sub-band of the input. * Will return an input 160MHz chspec as is. * Will return INVCHANSPEC if the chspec is malformed or less than 160MHz bw. */ extern chanspec_t wf_chspec_primary160_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); /* wf_chanspec_iter_... iterator API is deprecated. Use wlc_clm_chanspec_iter_... API instead */ struct wf_iter_range { uint8 start; uint8 end; }; /* Internal structure for wf_chanspec_iter_* functions. * Do not directly access the members. Only use the related * functions to query and manipulate the structure. */ typedef struct chanspec_iter { uint8 state; chanspec_t chanspec; chanspec_band_t band; chanspec_bw_t bw; struct wf_iter_range range; union { uint8 range_id; struct { uint8 ch0; uint8 ch1; }; }; } wf_chanspec_iter_t; /** * Initialize a chanspec iteration structure. * The parameters define the set of chanspecs to generate in the iteration. * After initialization wf_chanspec_iter_current() will return the first chanspec * in the set. A call to wf_chanspec_iter_next() will advance the interation * to the next chanspec in the set. * * Example use: * wf_chanspec_iter_t iter; * chanspec_t chanspec; * * wf_chanspec_iter_init(&iter, band, bw); * * while (wf_chanspec_iter_next(&iter, &chanspec)) { * ... do some work ... * } * * @param iter pointer to a wf_chanspec_iter_t structure to initialize * @param band chanspec_band_t value specifying the band of interest * @param bw chanspec_bw_t value specifying the bandwidth of interest, * or INVCHANSPEC to specify all bandwidths * * @return a success value, FALSE on error, or TRUE if OK */ bool wf_chanspec_iter_init(wf_chanspec_iter_t *iter, chanspec_band_t band, chanspec_bw_t bw); /** * Advance the iteration to the next chanspec in the set. * * @param iter pointer to a wf_chanspec_iter_t structure * @param chspec pointer to storage for the next chanspec. Return value will be INVCHANSPEC * if the iteration ended. Pass in NULL if return value is not desired. * * @return a success value, TRUE if there was another chanspec in the iteration, FALSE if not */ bool wf_chanspec_iter_next(wf_chanspec_iter_t *iter, chanspec_t *chspec); /** * Return the current chanspec of the iteration. * * @param iter pointer to a wf_chanspec_iter_t structure * * @return the current chanspec_t */ chanspec_t wf_chanspec_iter_current(wf_chanspec_iter_t *iter); /* 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 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); uint8 wf_chspec_320_id2cch(chanspec_t chanspec); uint8 wf_chspec_240_id2cch(chanspec_t chanspec); #ifndef WL_BW320MHZ #define wf_chspec_center_channel(chspec) CHSPEC_CHANNEL(chspec) #endif /* !WL_BW320MHZ */ #endif /* _bcmwifi_channels_h_ */