/* * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #ifndef _DP_RATES_H_ #define _DP_RATES_H_ #define CMN_DP_ASSERT(__bool) /* *Band Width Types */ enum CMN_BW_TYPES { CMN_BW_20MHZ, CMN_BW_40MHZ, CMN_BW_80MHZ, CMN_BW_160MHZ, CMN_BW_CNT, CMN_BW_IDLE = 0xFF, /*default BW state */ }; #define NUM_SPATIAL_STREAMS 8 #define SUPPORT_11AX 1 #define MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ 4 #define VHT_EXTRA_MCS_SUPPORT #define CONFIG_160MHZ_SUPPORT 1 #define NUM_HT_MCS 8 #define NUM_VHT_MCS 12 #define NUM_HE_MCS 12 #define NUM_SPATIAL_STREAM 4 #define NUM_SPATIAL_STREAMS 8 #define WHAL_160MHZ_SUPPORT 1 #define MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ 4 #define RT_GET_RT(_rt) ((const struct DP_CMN_RATE_TABLE *)(_rt)) #define RT_GET_INFO(_rt, _index) RT_GET_RT(_rt)->info[(_index)] #define RT_GET_RAW_KBPS(_rt, _index) \ (RT_GET_INFO(_rt, (_index)).ratekbps) #define RT_GET_SGI_KBPS(_rt, _index) \ (RT_GET_INFO(_rt, (_index)).ratekbpssgi) #define HW_RATECODE_CCK_SHORT_PREAM_MASK 0x4 #define RT_INVALID_INDEX (0xff) /* pow2 to optimize out * and / */ #define DP_ATH_RATE_EP_MULTIPLIER BIT(7) #define DP_ATH_EP_MUL(a, b) ((a) * (b)) #define DP_ATH_RATE_LPF_LEN 10 /* Low pass filter length * for averaging rates */ #define DUMMY_MARKER 0 #define DP_ATH_RATE_IN(c) (DP_ATH_EP_MUL((c), DP_ATH_RATE_EP_MULTIPLIER)) static inline int dp_ath_rate_lpf(int _d, int _e) { _e = DP_ATH_RATE_IN((_e)); return (((_d) != DUMMY_MARKER) ? ((((_d) << 3) + (_e) - (_d)) >> 3) : (_e)); } static inline int dp_ath_rate_out(int _i) { int _mul = DP_ATH_RATE_EP_MULTIPLIER; return (((_i) != DUMMY_MARKER) ? ((((_i) % (_mul)) >= ((_mul) / 2)) ? ((_i) + ((_mul) - 1)) / (_mul) : (_i) / (_mul)) : DUMMY_MARKER); } #define RXDESC_GET_DATA_LEN(rx_desc) \ (txrx_pdev->htt_pdev->ar_rx_ops->msdu_desc_msdu_length(rx_desc)) #define ASSEMBLE_HW_RATECODE(_rate, _nss, _pream) \ (((_pream) << 6) | ((_nss) << 4) | (_rate)) #define GET_HW_RATECODE_PREAM(_rcode) (((_rcode) >> 6) & 0x3) #define GET_HW_RATECODE_NSS(_rcode) (((_rcode) >> 4) & 0x3) #define GET_HW_RATECODE_RATE(_rcode) (((_rcode) >> 0) & 0xF) #define VHT_INVALID_MCS (0xFF) /* Certain MCSs are not valid in VHT mode */ #define VHT_INVALID_BCC_RATE 0 #define NUM_HT_SPATIAL_STREAM 4 #define NUM_HT_RIX_PER_BW (NUM_HT_MCS * NUM_HT_SPATIAL_STREAM) #define NUM_VHT_RIX_PER_BW (NUM_VHT_MCS * NUM_SPATIAL_STREAMS) #define NUM_HE_RIX_PER_BW (NUM_HE_MCS * NUM_SPATIAL_STREAMS) #define NUM_VHT_RIX_FOR_160MHZ (NUM_VHT_MCS * \ MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ) #define NUM_HE_RIX_FOR_160MHZ (NUM_HE_MCS * \ MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ) #define CCK_RATE_TABLE_INDEX 0 #define CCK_RATE_11M_INDEX 0 #define CCK_FALLBACK_MIN_RATE 0x3 /** 1 Mbps */ #define CCK_FALLBACK_MAX_RATE 0x2 /** 2 Mbps */ #define OFDM_RATE_TABLE_INDEX 4 #define OFDMA_RATE_54M_INDEX 8 #define HT_20_RATE_TABLE_INDEX 12 #define HT_40_RATE_TABLE_INDEX (HT_20_RATE_TABLE_INDEX + NUM_HT_RIX_PER_BW) #define VHT_20_RATE_TABLE_INDEX (HT_40_RATE_TABLE_INDEX + NUM_HT_RIX_PER_BW) #define VHT_40_RATE_TABLE_INDEX (VHT_20_RATE_TABLE_INDEX + NUM_VHT_RIX_PER_BW) #define VHT_80_RATE_TABLE_INDEX (VHT_40_RATE_TABLE_INDEX + NUM_VHT_RIX_PER_BW) #define VHT_160_RATE_TABLE_INDEX (VHT_80_RATE_TABLE_INDEX + NUM_VHT_RIX_PER_BW) #define VHT_LAST_RIX_PLUS_ONE (VHT_160_RATE_TABLE_INDEX + \ NUM_VHT_RIX_FOR_160MHZ) #define HE_20_RATE_TABLE_INDEX VHT_LAST_RIX_PLUS_ONE #define HE_40_RATE_TABLE_INDEX (HE_20_RATE_TABLE_INDEX + NUM_HE_RIX_PER_BW) #define HE_80_RATE_TABLE_INDEX (HE_40_RATE_TABLE_INDEX + NUM_HE_RIX_PER_BW) #define HE_160_RATE_TABLE_INDEX (HE_80_RATE_TABLE_INDEX + NUM_HE_RIX_PER_BW) #define DP_RATE_TABLE_SIZE (HE_160_RATE_TABLE_INDEX + NUM_HE_RIX_FOR_160MHZ) /* The following would span more than one octet * when 160MHz BW defined for VHT * Also it's important to maintain the ordering of * this enum else it would break other rate adapation functions. */ enum DP_CMN_MODULATION_TYPE { DP_CMN_MOD_IEEE80211_T_DS, /* direct sequence spread spectrum */ DP_CMN_MOD_IEEE80211_T_OFDM, /* frequency division multiplexing */ DP_CMN_MOD_IEEE80211_T_HT_20, DP_CMN_MOD_IEEE80211_T_HT_40, DP_CMN_MOD_IEEE80211_T_VHT_20, DP_CMN_MOD_IEEE80211_T_VHT_40, DP_CMN_MOD_IEEE80211_T_VHT_80, DP_CMN_MOD_IEEE80211_T_VHT_160, DP_CMN_MOD_IEEE80211_T_HE_20, /* 11AX support enabled */ DP_CMN_MOD_IEEE80211_T_HE_40, DP_CMN_MOD_IEEE80211_T_HE_80, DP_CMN_MOD_IEEE80211_T_HE_160, DP_CMN_MOD_IEEE80211_T_MAX_PHY }; /* more common nomenclature */ #define DP_CMN_MOD_IEEE80211_T_CCK DP_CMN_MOD_IEEE80211_T_DS enum HW_RATECODE_PREAM_TYPE { HW_RATECODE_PREAM_OFDM, HW_RATECODE_PREAM_CCK, HW_RATECODE_PREAM_HT, HW_RATECODE_PREAM_VHT, }; enum DP_CMN_MODULATION_TYPE dp_getmodulation( uint16_t pream_type, uint8_t width); uint32_t dp_getrateindex(uint32_t gi, uint16_t mcs, uint8_t nss, uint8_t preamble, uint8_t bw); int dp_rate_idx_to_kbps(uint8_t rate_idx, uint8_t gintval); #endif /*_DP_RATES_H_*/