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/*
* Misc utility routines for WL and Apps
* This header file housing the define and function prototype use by
* both the wl driver, tools & Apps.
*
* Copyright (C) 2020, 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.
*
*
* <<Broadcom-WL-IPTag/Dual:>>
*/
#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
#define CHSPEC_IS8080(chspec) (FALSE)
#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 */
/* 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)
/* 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
/* 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, GE (>=), GT (>) */
#define CHSPEC_BW_GE(chspec, bw) (CHSPEC_BW(chspec) >= (bw))
#define CHSPEC_BW_GT(chspec, bw) (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.
*/
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.
*/
chanspec_t wf_create_chspec_sb(uint sb, uint center_channel, chanspec_bw_t bw,
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 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);
#endif /* _bcmwifi_channels_h_ */