760 lines
23 KiB
C
760 lines
23 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (C) 2012-2014, 2018-2022 Intel Corporation
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* Copyright (C) 2017 Intel Deutschland GmbH
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*/
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#ifndef __iwl_fw_api_rs_h__
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#define __iwl_fw_api_rs_h__
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#include "mac.h"
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/**
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* enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags
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* @IWL_TLC_MNG_CFG_FLAGS_STBC_MSK: enable STBC. For HE this enables STBC for
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* bandwidths <= 80MHz
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* @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC
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* @IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK: enable STBC in HE at 160MHz
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* bandwidth
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* @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK: enable HE Dual Carrier Modulation
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* for BPSK (MCS 0) with 1 spatial
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* stream
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* @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK: enable HE Dual Carrier Modulation
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* for BPSK (MCS 0) with 2 spatial
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* streams
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*/
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enum iwl_tlc_mng_cfg_flags {
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IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0),
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IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK = BIT(1),
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IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK = BIT(2),
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IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK = BIT(3),
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IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK = BIT(4),
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};
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/**
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* enum iwl_tlc_mng_cfg_cw - channel width options
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* @IWL_TLC_MNG_CH_WIDTH_20MHZ: 20MHZ channel
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* @IWL_TLC_MNG_CH_WIDTH_40MHZ: 40MHZ channel
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* @IWL_TLC_MNG_CH_WIDTH_80MHZ: 80MHZ channel
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* @IWL_TLC_MNG_CH_WIDTH_160MHZ: 160MHZ channel
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* @IWL_TLC_MNG_CH_WIDTH_320MHZ: 320MHZ channel
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*/
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enum iwl_tlc_mng_cfg_cw {
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IWL_TLC_MNG_CH_WIDTH_20MHZ,
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IWL_TLC_MNG_CH_WIDTH_40MHZ,
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IWL_TLC_MNG_CH_WIDTH_80MHZ,
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IWL_TLC_MNG_CH_WIDTH_160MHZ,
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IWL_TLC_MNG_CH_WIDTH_320MHZ,
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};
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/**
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* enum iwl_tlc_mng_cfg_chains - possible chains
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* @IWL_TLC_MNG_CHAIN_A_MSK: chain A
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* @IWL_TLC_MNG_CHAIN_B_MSK: chain B
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*/
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enum iwl_tlc_mng_cfg_chains {
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IWL_TLC_MNG_CHAIN_A_MSK = BIT(0),
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IWL_TLC_MNG_CHAIN_B_MSK = BIT(1),
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};
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/**
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* enum iwl_tlc_mng_cfg_mode - supported modes
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* @IWL_TLC_MNG_MODE_CCK: enable CCK
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* @IWL_TLC_MNG_MODE_OFDM_NON_HT: enable OFDM (non HT)
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* @IWL_TLC_MNG_MODE_NON_HT: enable non HT
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* @IWL_TLC_MNG_MODE_HT: enable HT
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* @IWL_TLC_MNG_MODE_VHT: enable VHT
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* @IWL_TLC_MNG_MODE_HE: enable HE
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* @IWL_TLC_MNG_MODE_EHT: enable EHT
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*/
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enum iwl_tlc_mng_cfg_mode {
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IWL_TLC_MNG_MODE_CCK = 0,
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IWL_TLC_MNG_MODE_OFDM_NON_HT = IWL_TLC_MNG_MODE_CCK,
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IWL_TLC_MNG_MODE_NON_HT = IWL_TLC_MNG_MODE_CCK,
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IWL_TLC_MNG_MODE_HT,
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IWL_TLC_MNG_MODE_VHT,
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IWL_TLC_MNG_MODE_HE,
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IWL_TLC_MNG_MODE_EHT,
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};
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/**
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* enum iwl_tlc_mng_ht_rates - HT/VHT/HE rates
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* @IWL_TLC_MNG_HT_RATE_MCS0: index of MCS0
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* @IWL_TLC_MNG_HT_RATE_MCS1: index of MCS1
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* @IWL_TLC_MNG_HT_RATE_MCS2: index of MCS2
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* @IWL_TLC_MNG_HT_RATE_MCS3: index of MCS3
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* @IWL_TLC_MNG_HT_RATE_MCS4: index of MCS4
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* @IWL_TLC_MNG_HT_RATE_MCS5: index of MCS5
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* @IWL_TLC_MNG_HT_RATE_MCS6: index of MCS6
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* @IWL_TLC_MNG_HT_RATE_MCS7: index of MCS7
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* @IWL_TLC_MNG_HT_RATE_MCS8: index of MCS8
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* @IWL_TLC_MNG_HT_RATE_MCS9: index of MCS9
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* @IWL_TLC_MNG_HT_RATE_MCS10: index of MCS10
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* @IWL_TLC_MNG_HT_RATE_MCS11: index of MCS11
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* @IWL_TLC_MNG_HT_RATE_MAX: maximal rate for HT/VHT
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*/
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enum iwl_tlc_mng_ht_rates {
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IWL_TLC_MNG_HT_RATE_MCS0 = 0,
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IWL_TLC_MNG_HT_RATE_MCS1,
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IWL_TLC_MNG_HT_RATE_MCS2,
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IWL_TLC_MNG_HT_RATE_MCS3,
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IWL_TLC_MNG_HT_RATE_MCS4,
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IWL_TLC_MNG_HT_RATE_MCS5,
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IWL_TLC_MNG_HT_RATE_MCS6,
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IWL_TLC_MNG_HT_RATE_MCS7,
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IWL_TLC_MNG_HT_RATE_MCS8,
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IWL_TLC_MNG_HT_RATE_MCS9,
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IWL_TLC_MNG_HT_RATE_MCS10,
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IWL_TLC_MNG_HT_RATE_MCS11,
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IWL_TLC_MNG_HT_RATE_MAX = IWL_TLC_MNG_HT_RATE_MCS11,
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};
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enum IWL_TLC_MNG_NSS {
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IWL_TLC_NSS_1,
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IWL_TLC_NSS_2,
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IWL_TLC_NSS_MAX
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};
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/**
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* enum IWL_TLC_MCS_PER_BW - mcs index per BW
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* @IWL_TLC_MCS_PER_BW_80: mcs for bw - 20Hhz, 40Hhz, 80Hhz
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* @IWL_TLC_MCS_PER_BW_160: mcs for bw - 160Mhz
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* @IWL_TLC_MCS_PER_BW_320: mcs for bw - 320Mhz
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* @IWL_TLC_MCS_PER_BW_NUM_V3: number of entries up to version 3
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* @IWL_TLC_MCS_PER_BW_NUM_V4: number of entries from version 4
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*/
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enum IWL_TLC_MCS_PER_BW {
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IWL_TLC_MCS_PER_BW_80,
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IWL_TLC_MCS_PER_BW_160,
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IWL_TLC_MCS_PER_BW_320,
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IWL_TLC_MCS_PER_BW_NUM_V3 = IWL_TLC_MCS_PER_BW_160 + 1,
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IWL_TLC_MCS_PER_BW_NUM_V4 = IWL_TLC_MCS_PER_BW_320 + 1,
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};
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/**
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* struct iwl_tlc_config_cmd_v3 - TLC configuration
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* @sta_id: station id
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* @reserved1: reserved
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* @max_ch_width: max supported channel width from @enum iwl_tlc_mng_cfg_cw
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* @mode: &enum iwl_tlc_mng_cfg_mode
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* @chains: bitmask of &enum iwl_tlc_mng_cfg_chains
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* @amsdu: TX amsdu is supported
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* @flags: bitmask of &enum iwl_tlc_mng_cfg_flags
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* @non_ht_rates: bitmap of supported legacy rates
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* @ht_rates: bitmap of &enum iwl_tlc_mng_ht_rates, per &enum IWL_TLC_MCS_PER_BW
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* <nss, channel-width> pair (0 - 80mhz width and below, 1 - 160mhz).
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* @max_mpdu_len: max MPDU length, in bytes
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* @sgi_ch_width_supp: bitmap of SGI support per channel width
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* use BIT(@enum iwl_tlc_mng_cfg_cw)
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* @reserved2: reserved
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* @max_tx_op: max TXOP in uSecs for all AC (BK, BE, VO, VI),
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* set zero for no limit.
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*/
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struct iwl_tlc_config_cmd_v3 {
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u8 sta_id;
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u8 reserved1[3];
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u8 max_ch_width;
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u8 mode;
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u8 chains;
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u8 amsdu;
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__le16 flags;
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__le16 non_ht_rates;
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__le16 ht_rates[IWL_TLC_NSS_MAX][IWL_TLC_MCS_PER_BW_NUM_V3];
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__le16 max_mpdu_len;
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u8 sgi_ch_width_supp;
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u8 reserved2;
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__le32 max_tx_op;
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} __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_3 */
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/**
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* struct iwl_tlc_config_cmd_v4 - TLC configuration
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* @sta_id: station id
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* @reserved1: reserved
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* @max_ch_width: max supported channel width from &enum iwl_tlc_mng_cfg_cw
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* @mode: &enum iwl_tlc_mng_cfg_mode
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* @chains: bitmask of &enum iwl_tlc_mng_cfg_chains
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* @sgi_ch_width_supp: bitmap of SGI support per channel width
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* use BIT(&enum iwl_tlc_mng_cfg_cw)
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* @flags: bitmask of &enum iwl_tlc_mng_cfg_flags
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* @non_ht_rates: bitmap of supported legacy rates
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* @ht_rates: bitmap of &enum iwl_tlc_mng_ht_rates, per <nss, channel-width>
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* pair (0 - 80mhz width and below, 1 - 160mhz, 2 - 320mhz).
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* @max_mpdu_len: max MPDU length, in bytes
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* @max_tx_op: max TXOP in uSecs for all AC (BK, BE, VO, VI),
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* set zero for no limit.
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*/
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struct iwl_tlc_config_cmd_v4 {
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u8 sta_id;
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u8 reserved1[3];
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u8 max_ch_width;
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u8 mode;
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u8 chains;
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u8 sgi_ch_width_supp;
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__le16 flags;
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__le16 non_ht_rates;
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__le16 ht_rates[IWL_TLC_NSS_MAX][IWL_TLC_MCS_PER_BW_NUM_V4];
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__le16 max_mpdu_len;
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__le16 max_tx_op;
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} __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_4 */
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/**
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* enum iwl_tlc_update_flags - updated fields
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* @IWL_TLC_NOTIF_FLAG_RATE: last initial rate update
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* @IWL_TLC_NOTIF_FLAG_AMSDU: umsdu parameters update
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*/
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enum iwl_tlc_update_flags {
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IWL_TLC_NOTIF_FLAG_RATE = BIT(0),
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IWL_TLC_NOTIF_FLAG_AMSDU = BIT(1),
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};
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/**
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* struct iwl_tlc_update_notif - TLC notification from FW
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* @sta_id: station id
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* @reserved: reserved
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* @flags: bitmap of notifications reported
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* @rate: current initial rate
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* @amsdu_size: Max AMSDU size, in bytes
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* @amsdu_enabled: bitmap for per-TID AMSDU enablement
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*/
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struct iwl_tlc_update_notif {
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u8 sta_id;
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u8 reserved[3];
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__le32 flags;
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__le32 rate;
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__le32 amsdu_size;
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__le32 amsdu_enabled;
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} __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_2 */
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#define IWL_MAX_MCS_DISPLAY_SIZE 12
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struct iwl_rate_mcs_info {
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char mbps[IWL_MAX_MCS_DISPLAY_SIZE];
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char mcs[IWL_MAX_MCS_DISPLAY_SIZE];
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};
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/*
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* These serve as indexes into
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* struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT];
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* TODO: avoid overlap between legacy and HT rates
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*/
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enum {
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IWL_RATE_1M_INDEX = 0,
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IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
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IWL_RATE_2M_INDEX,
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IWL_RATE_5M_INDEX,
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IWL_RATE_11M_INDEX,
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IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
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IWL_RATE_6M_INDEX,
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IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
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IWL_RATE_MCS_0_INDEX = IWL_RATE_6M_INDEX,
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IWL_FIRST_HT_RATE = IWL_RATE_MCS_0_INDEX,
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IWL_FIRST_VHT_RATE = IWL_RATE_MCS_0_INDEX,
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IWL_RATE_9M_INDEX,
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IWL_RATE_12M_INDEX,
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IWL_RATE_MCS_1_INDEX = IWL_RATE_12M_INDEX,
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IWL_RATE_18M_INDEX,
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IWL_RATE_MCS_2_INDEX = IWL_RATE_18M_INDEX,
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IWL_RATE_24M_INDEX,
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IWL_RATE_MCS_3_INDEX = IWL_RATE_24M_INDEX,
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IWL_RATE_36M_INDEX,
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IWL_RATE_MCS_4_INDEX = IWL_RATE_36M_INDEX,
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IWL_RATE_48M_INDEX,
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IWL_RATE_MCS_5_INDEX = IWL_RATE_48M_INDEX,
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IWL_RATE_54M_INDEX,
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IWL_RATE_MCS_6_INDEX = IWL_RATE_54M_INDEX,
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IWL_LAST_NON_HT_RATE = IWL_RATE_54M_INDEX,
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IWL_RATE_60M_INDEX,
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IWL_RATE_MCS_7_INDEX = IWL_RATE_60M_INDEX,
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IWL_LAST_HT_RATE = IWL_RATE_MCS_7_INDEX,
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IWL_RATE_MCS_8_INDEX,
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IWL_RATE_MCS_9_INDEX,
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IWL_LAST_VHT_RATE = IWL_RATE_MCS_9_INDEX,
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IWL_RATE_MCS_10_INDEX,
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IWL_RATE_MCS_11_INDEX,
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IWL_LAST_HE_RATE = IWL_RATE_MCS_11_INDEX,
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IWL_RATE_COUNT_LEGACY = IWL_LAST_NON_HT_RATE + 1,
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IWL_RATE_COUNT = IWL_LAST_HE_RATE + 1,
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IWL_RATE_INVM_INDEX = IWL_RATE_COUNT,
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IWL_RATE_INVALID = IWL_RATE_COUNT,
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};
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#define IWL_RATE_BIT_MSK(r) BIT(IWL_RATE_##r##M_INDEX)
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/* fw API values for legacy bit rates, both OFDM and CCK */
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enum {
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IWL_RATE_6M_PLCP = 13,
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IWL_RATE_9M_PLCP = 15,
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IWL_RATE_12M_PLCP = 5,
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IWL_RATE_18M_PLCP = 7,
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IWL_RATE_24M_PLCP = 9,
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IWL_RATE_36M_PLCP = 11,
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IWL_RATE_48M_PLCP = 1,
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IWL_RATE_54M_PLCP = 3,
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IWL_RATE_1M_PLCP = 10,
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IWL_RATE_2M_PLCP = 20,
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IWL_RATE_5M_PLCP = 55,
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IWL_RATE_11M_PLCP = 110,
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IWL_RATE_INVM_PLCP = -1,
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};
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/*
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* rate_n_flags bit fields version 1
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*
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* The 32-bit value has different layouts in the low 8 bites depending on the
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* format. There are three formats, HT, VHT and legacy (11abg, with subformats
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* for CCK and OFDM).
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*
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* High-throughput (HT) rate format
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* bit 8 is 1, bit 26 is 0, bit 9 is 0 (OFDM)
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* Very High-throughput (VHT) rate format
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* bit 8 is 0, bit 26 is 1, bit 9 is 0 (OFDM)
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* Legacy OFDM rate format for bits 7:0
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* bit 8 is 0, bit 26 is 0, bit 9 is 0 (OFDM)
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* Legacy CCK rate format for bits 7:0:
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* bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK)
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*/
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/* Bit 8: (1) HT format, (0) legacy or VHT format */
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#define RATE_MCS_HT_POS 8
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#define RATE_MCS_HT_MSK_V1 BIT(RATE_MCS_HT_POS)
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/* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */
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#define RATE_MCS_CCK_POS_V1 9
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#define RATE_MCS_CCK_MSK_V1 BIT(RATE_MCS_CCK_POS_V1)
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/* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */
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#define RATE_MCS_VHT_POS_V1 26
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#define RATE_MCS_VHT_MSK_V1 BIT(RATE_MCS_VHT_POS_V1)
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/*
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* High-throughput (HT) rate format for bits 7:0
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*
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* 2-0: MCS rate base
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* 0) 6 Mbps
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* 1) 12 Mbps
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* 2) 18 Mbps
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* 3) 24 Mbps
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* 4) 36 Mbps
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* 5) 48 Mbps
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* 6) 54 Mbps
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* 7) 60 Mbps
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* 4-3: 0) Single stream (SISO)
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* 1) Dual stream (MIMO)
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* 2) Triple stream (MIMO)
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* 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data
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* (bits 7-6 are zero)
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*
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* Together the low 5 bits work out to the MCS index because we don't
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* support MCSes above 15/23, and 0-7 have one stream, 8-15 have two
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* streams and 16-23 have three streams. We could also support MCS 32
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* which is the duplicate 20 MHz MCS (bit 5 set, all others zero.)
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*/
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#define RATE_HT_MCS_RATE_CODE_MSK_V1 0x7
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#define RATE_HT_MCS_NSS_POS_V1 3
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#define RATE_HT_MCS_NSS_MSK_V1 (3 << RATE_HT_MCS_NSS_POS_V1)
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#define RATE_HT_MCS_MIMO2_MSK BIT(RATE_HT_MCS_NSS_POS_V1)
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/* Bit 10: (1) Use Green Field preamble */
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#define RATE_HT_MCS_GF_POS 10
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#define RATE_HT_MCS_GF_MSK (1 << RATE_HT_MCS_GF_POS)
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#define RATE_HT_MCS_INDEX_MSK_V1 0x3f
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/*
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* Very High-throughput (VHT) rate format for bits 7:0
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*
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* 3-0: VHT MCS (0-9)
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* 5-4: number of streams - 1:
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* 0) Single stream (SISO)
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* 1) Dual stream (MIMO)
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* 2) Triple stream (MIMO)
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*/
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/* Bit 4-5: (0) SISO, (1) MIMO2 (2) MIMO3 */
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#define RATE_VHT_MCS_RATE_CODE_MSK 0xf
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#define RATE_VHT_MCS_NSS_POS 4
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#define RATE_VHT_MCS_NSS_MSK (3 << RATE_VHT_MCS_NSS_POS)
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#define RATE_VHT_MCS_MIMO2_MSK BIT(RATE_VHT_MCS_NSS_POS)
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/*
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* Legacy OFDM rate format for bits 7:0
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*
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* 3-0: 0xD) 6 Mbps
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* 0xF) 9 Mbps
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|
* 0x5) 12 Mbps
|
|
* 0x7) 18 Mbps
|
|
* 0x9) 24 Mbps
|
|
* 0xB) 36 Mbps
|
|
* 0x1) 48 Mbps
|
|
* 0x3) 54 Mbps
|
|
* (bits 7-4 are 0)
|
|
*
|
|
* Legacy CCK rate format for bits 7:0:
|
|
* bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK):
|
|
*
|
|
* 6-0: 10) 1 Mbps
|
|
* 20) 2 Mbps
|
|
* 55) 5.5 Mbps
|
|
* 110) 11 Mbps
|
|
* (bit 7 is 0)
|
|
*/
|
|
#define RATE_LEGACY_RATE_MSK_V1 0xff
|
|
|
|
/* Bit 10 - OFDM HE */
|
|
#define RATE_MCS_HE_POS_V1 10
|
|
#define RATE_MCS_HE_MSK_V1 BIT(RATE_MCS_HE_POS_V1)
|
|
|
|
/*
|
|
* Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz
|
|
* 0 and 1 are valid for HT and VHT, 2 and 3 only for VHT
|
|
*/
|
|
#define RATE_MCS_CHAN_WIDTH_POS 11
|
|
#define RATE_MCS_CHAN_WIDTH_MSK_V1 (3 << RATE_MCS_CHAN_WIDTH_POS)
|
|
|
|
/* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */
|
|
#define RATE_MCS_SGI_POS_V1 13
|
|
#define RATE_MCS_SGI_MSK_V1 BIT(RATE_MCS_SGI_POS_V1)
|
|
|
|
/* Bit 14-16: Antenna selection (1) Ant A, (2) Ant B, (4) Ant C */
|
|
#define RATE_MCS_ANT_POS 14
|
|
#define RATE_MCS_ANT_A_MSK (1 << RATE_MCS_ANT_POS)
|
|
#define RATE_MCS_ANT_B_MSK (2 << RATE_MCS_ANT_POS)
|
|
#define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | \
|
|
RATE_MCS_ANT_B_MSK)
|
|
#define RATE_MCS_ANT_MSK RATE_MCS_ANT_AB_MSK
|
|
|
|
/* Bit 17: (0) SS, (1) SS*2 */
|
|
#define RATE_MCS_STBC_POS 17
|
|
#define RATE_MCS_STBC_MSK BIT(RATE_MCS_STBC_POS)
|
|
|
|
/* Bit 18: OFDM-HE dual carrier mode */
|
|
#define RATE_HE_DUAL_CARRIER_MODE 18
|
|
#define RATE_HE_DUAL_CARRIER_MODE_MSK BIT(RATE_HE_DUAL_CARRIER_MODE)
|
|
|
|
/* Bit 19: (0) Beamforming is off, (1) Beamforming is on */
|
|
#define RATE_MCS_BF_POS 19
|
|
#define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS)
|
|
|
|
/*
|
|
* Bit 20-21: HE LTF type and guard interval
|
|
* HE (ext) SU:
|
|
* 0 1xLTF+0.8us
|
|
* 1 2xLTF+0.8us
|
|
* 2 2xLTF+1.6us
|
|
* 3 & SGI (bit 13) clear 4xLTF+3.2us
|
|
* 3 & SGI (bit 13) set 4xLTF+0.8us
|
|
* HE MU:
|
|
* 0 4xLTF+0.8us
|
|
* 1 2xLTF+0.8us
|
|
* 2 2xLTF+1.6us
|
|
* 3 4xLTF+3.2us
|
|
* HE TRIG:
|
|
* 0 1xLTF+1.6us
|
|
* 1 2xLTF+1.6us
|
|
* 2 4xLTF+3.2us
|
|
* 3 (does not occur)
|
|
*/
|
|
#define RATE_MCS_HE_GI_LTF_POS 20
|
|
#define RATE_MCS_HE_GI_LTF_MSK_V1 (3 << RATE_MCS_HE_GI_LTF_POS)
|
|
|
|
/* Bit 22-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
|
|
#define RATE_MCS_HE_TYPE_POS_V1 22
|
|
#define RATE_MCS_HE_TYPE_SU_V1 (0 << RATE_MCS_HE_TYPE_POS_V1)
|
|
#define RATE_MCS_HE_TYPE_EXT_SU_V1 BIT(RATE_MCS_HE_TYPE_POS_V1)
|
|
#define RATE_MCS_HE_TYPE_MU_V1 (2 << RATE_MCS_HE_TYPE_POS_V1)
|
|
#define RATE_MCS_HE_TYPE_TRIG_V1 (3 << RATE_MCS_HE_TYPE_POS_V1)
|
|
#define RATE_MCS_HE_TYPE_MSK_V1 (3 << RATE_MCS_HE_TYPE_POS_V1)
|
|
|
|
/* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */
|
|
#define RATE_MCS_DUP_POS_V1 24
|
|
#define RATE_MCS_DUP_MSK_V1 (3 << RATE_MCS_DUP_POS_V1)
|
|
|
|
/* Bit 27: (1) LDPC enabled, (0) LDPC disabled */
|
|
#define RATE_MCS_LDPC_POS_V1 27
|
|
#define RATE_MCS_LDPC_MSK_V1 BIT(RATE_MCS_LDPC_POS_V1)
|
|
|
|
/* Bit 28: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */
|
|
#define RATE_MCS_HE_106T_POS_V1 28
|
|
#define RATE_MCS_HE_106T_MSK_V1 BIT(RATE_MCS_HE_106T_POS_V1)
|
|
|
|
/* Bit 30-31: (1) RTS, (2) CTS */
|
|
#define RATE_MCS_RTS_REQUIRED_POS (30)
|
|
#define RATE_MCS_RTS_REQUIRED_MSK (0x1 << RATE_MCS_RTS_REQUIRED_POS)
|
|
|
|
#define RATE_MCS_CTS_REQUIRED_POS (31)
|
|
#define RATE_MCS_CTS_REQUIRED_MSK (0x1 << RATE_MCS_CTS_REQUIRED_POS)
|
|
|
|
/* rate_n_flags bit field version 2
|
|
*
|
|
* The 32-bit value has different layouts in the low 8 bits depending on the
|
|
* format. There are three formats, HT, VHT and legacy (11abg, with subformats
|
|
* for CCK and OFDM).
|
|
*
|
|
*/
|
|
|
|
/* Bits 10-8: rate format
|
|
* (0) Legacy CCK (1) Legacy OFDM (2) High-throughput (HT)
|
|
* (3) Very High-throughput (VHT) (4) High-efficiency (HE)
|
|
* (5) Extremely High-throughput (EHT)
|
|
*/
|
|
#define RATE_MCS_MOD_TYPE_POS 8
|
|
#define RATE_MCS_MOD_TYPE_MSK (0x7 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_CCK_MSK (0 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_LEGACY_OFDM_MSK (1 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_HT_MSK (2 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_VHT_MSK (3 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_HE_MSK (4 << RATE_MCS_MOD_TYPE_POS)
|
|
#define RATE_MCS_EHT_MSK (5 << RATE_MCS_MOD_TYPE_POS)
|
|
|
|
/*
|
|
* Legacy CCK rate format for bits 0:3:
|
|
*
|
|
* (0) 0xa - 1 Mbps
|
|
* (1) 0x14 - 2 Mbps
|
|
* (2) 0x37 - 5.5 Mbps
|
|
* (3) 0x6e - 11 nbps
|
|
*
|
|
* Legacy OFDM rate format for bis 3:0:
|
|
*
|
|
* (0) 6 Mbps
|
|
* (1) 9 Mbps
|
|
* (2) 12 Mbps
|
|
* (3) 18 Mbps
|
|
* (4) 24 Mbps
|
|
* (5) 36 Mbps
|
|
* (6) 48 Mbps
|
|
* (7) 54 Mbps
|
|
*
|
|
*/
|
|
#define RATE_LEGACY_RATE_MSK 0x7
|
|
|
|
/*
|
|
* HT, VHT, HE, EHT rate format for bits 3:0
|
|
* 3-0: MCS
|
|
*
|
|
*/
|
|
#define RATE_HT_MCS_CODE_MSK 0x7
|
|
#define RATE_MCS_NSS_POS 4
|
|
#define RATE_MCS_NSS_MSK (1 << RATE_MCS_NSS_POS)
|
|
#define RATE_MCS_CODE_MSK 0xf
|
|
#define RATE_HT_MCS_INDEX(r) ((((r) & RATE_MCS_NSS_MSK) >> 1) | \
|
|
((r) & RATE_HT_MCS_CODE_MSK))
|
|
|
|
/* Bits 7-5: reserved */
|
|
|
|
/*
|
|
* Bits 13-11: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz, (4) 320MHz
|
|
*/
|
|
#define RATE_MCS_CHAN_WIDTH_MSK (0x7 << RATE_MCS_CHAN_WIDTH_POS)
|
|
#define RATE_MCS_CHAN_WIDTH_20 (0 << RATE_MCS_CHAN_WIDTH_POS)
|
|
#define RATE_MCS_CHAN_WIDTH_40 (1 << RATE_MCS_CHAN_WIDTH_POS)
|
|
#define RATE_MCS_CHAN_WIDTH_80 (2 << RATE_MCS_CHAN_WIDTH_POS)
|
|
#define RATE_MCS_CHAN_WIDTH_160 (3 << RATE_MCS_CHAN_WIDTH_POS)
|
|
#define RATE_MCS_CHAN_WIDTH_320 (4 << RATE_MCS_CHAN_WIDTH_POS)
|
|
|
|
/* Bit 15-14: Antenna selection:
|
|
* Bit 14: Ant A active
|
|
* Bit 15: Ant B active
|
|
*
|
|
* All relevant definitions are same as in v1
|
|
*/
|
|
|
|
/* Bit 16 (1) LDPC enables, (0) LDPC disabled */
|
|
#define RATE_MCS_LDPC_POS 16
|
|
#define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS)
|
|
|
|
/* Bit 17: (0) SS, (1) SS*2 (same as v1) */
|
|
|
|
/* Bit 18: OFDM-HE dual carrier mode (same as v1) */
|
|
|
|
/* Bit 19: (0) Beamforming is off, (1) Beamforming is on (same as v1) */
|
|
|
|
/*
|
|
* Bit 22-20: HE LTF type and guard interval
|
|
* CCK:
|
|
* 0 long preamble
|
|
* 1 short preamble
|
|
* HT/VHT:
|
|
* 0 0.8us
|
|
* 1 0.4us
|
|
* HE (ext) SU:
|
|
* 0 1xLTF+0.8us
|
|
* 1 2xLTF+0.8us
|
|
* 2 2xLTF+1.6us
|
|
* 3 4xLTF+3.2us
|
|
* 4 4xLTF+0.8us
|
|
* HE MU:
|
|
* 0 4xLTF+0.8us
|
|
* 1 2xLTF+0.8us
|
|
* 2 2xLTF+1.6us
|
|
* 3 4xLTF+3.2us
|
|
* HE TRIG:
|
|
* 0 1xLTF+1.6us
|
|
* 1 2xLTF+1.6us
|
|
* 2 4xLTF+3.2us
|
|
* */
|
|
#define RATE_MCS_HE_GI_LTF_MSK (0x7 << RATE_MCS_HE_GI_LTF_POS)
|
|
#define RATE_MCS_SGI_POS RATE_MCS_HE_GI_LTF_POS
|
|
#define RATE_MCS_SGI_MSK (1 << RATE_MCS_SGI_POS)
|
|
#define RATE_MCS_HE_SU_4_LTF 3
|
|
#define RATE_MCS_HE_SU_4_LTF_08_GI 4
|
|
|
|
/* Bit 24-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
|
|
#define RATE_MCS_HE_TYPE_POS 23
|
|
#define RATE_MCS_HE_TYPE_SU (0 << RATE_MCS_HE_TYPE_POS)
|
|
#define RATE_MCS_HE_TYPE_EXT_SU (1 << RATE_MCS_HE_TYPE_POS)
|
|
#define RATE_MCS_HE_TYPE_MU (2 << RATE_MCS_HE_TYPE_POS)
|
|
#define RATE_MCS_HE_TYPE_TRIG (3 << RATE_MCS_HE_TYPE_POS)
|
|
#define RATE_MCS_HE_TYPE_MSK (3 << RATE_MCS_HE_TYPE_POS)
|
|
|
|
/* Bit 25: duplicate channel enabled
|
|
*
|
|
* if this bit is set, duplicate is according to BW (bits 11-13):
|
|
*
|
|
* CCK: 2x 20MHz
|
|
* OFDM Legacy: N x 20Mhz, (N = BW \ 2 , either 2, 4, 8, 16)
|
|
* EHT: 2 x BW/2, (80 - 2x40, 160 - 2x80, 320 - 2x160)
|
|
* */
|
|
#define RATE_MCS_DUP_POS 25
|
|
#define RATE_MCS_DUP_MSK (1 << RATE_MCS_DUP_POS)
|
|
|
|
/* Bit 26: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */
|
|
#define RATE_MCS_HE_106T_POS 26
|
|
#define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS)
|
|
|
|
/* Bit 27: EHT extra LTF:
|
|
* instead of 1 LTF for SISO use 2 LTFs,
|
|
* instead of 2 LTFs for NSTS=2 use 4 LTFs*/
|
|
#define RATE_MCS_EHT_EXTRA_LTF_POS 27
|
|
#define RATE_MCS_EHT_EXTRA_LTF_MSK (1 << RATE_MCS_EHT_EXTRA_LTF_POS)
|
|
|
|
/* Bit 31-28: reserved */
|
|
|
|
/* Link Quality definitions */
|
|
|
|
/* # entries in rate scale table to support Tx retries */
|
|
#define LQ_MAX_RETRY_NUM 16
|
|
|
|
/* Link quality command flags bit fields */
|
|
|
|
/* Bit 0: (0) Don't use RTS (1) Use RTS */
|
|
#define LQ_FLAG_USE_RTS_POS 0
|
|
#define LQ_FLAG_USE_RTS_MSK (1 << LQ_FLAG_USE_RTS_POS)
|
|
|
|
/* Bit 1-3: LQ command color. Used to match responses to LQ commands */
|
|
#define LQ_FLAG_COLOR_POS 1
|
|
#define LQ_FLAG_COLOR_MSK (7 << LQ_FLAG_COLOR_POS)
|
|
#define LQ_FLAG_COLOR_GET(_f) (((_f) & LQ_FLAG_COLOR_MSK) >>\
|
|
LQ_FLAG_COLOR_POS)
|
|
#define LQ_FLAGS_COLOR_INC(_c) ((((_c) + 1) << LQ_FLAG_COLOR_POS) &\
|
|
LQ_FLAG_COLOR_MSK)
|
|
#define LQ_FLAG_COLOR_SET(_f, _c) ((_c) | ((_f) & ~LQ_FLAG_COLOR_MSK))
|
|
|
|
/* Bit 4-5: Tx RTS BW Signalling
|
|
* (0) No RTS BW signalling
|
|
* (1) Static BW signalling
|
|
* (2) Dynamic BW signalling
|
|
*/
|
|
#define LQ_FLAG_RTS_BW_SIG_POS 4
|
|
#define LQ_FLAG_RTS_BW_SIG_NONE (0 << LQ_FLAG_RTS_BW_SIG_POS)
|
|
#define LQ_FLAG_RTS_BW_SIG_STATIC (1 << LQ_FLAG_RTS_BW_SIG_POS)
|
|
#define LQ_FLAG_RTS_BW_SIG_DYNAMIC (2 << LQ_FLAG_RTS_BW_SIG_POS)
|
|
|
|
/* Bit 6: (0) No dynamic BW selection (1) Allow dynamic BW selection
|
|
* Dyanmic BW selection allows Tx with narrower BW then requested in rates
|
|
*/
|
|
#define LQ_FLAG_DYNAMIC_BW_POS 6
|
|
#define LQ_FLAG_DYNAMIC_BW_MSK (1 << LQ_FLAG_DYNAMIC_BW_POS)
|
|
|
|
/* Single Stream Tx Parameters (lq_cmd->ss_params)
|
|
* Flags to control a smart FW decision about whether BFER/STBC/SISO will be
|
|
* used for single stream Tx.
|
|
*/
|
|
|
|
/* Bit 0-1: Max STBC streams allowed. Can be 0-3.
|
|
* (0) - No STBC allowed
|
|
* (1) - 2x1 STBC allowed (HT/VHT)
|
|
* (2) - 4x2 STBC allowed (HT/VHT)
|
|
* (3) - 3x2 STBC allowed (HT only)
|
|
* All our chips are at most 2 antennas so only (1) is valid for now.
|
|
*/
|
|
#define LQ_SS_STBC_ALLOWED_POS 0
|
|
#define LQ_SS_STBC_ALLOWED_MSK (3 << LQ_SS_STBC_ALLOWED_MSK)
|
|
|
|
/* 2x1 STBC is allowed */
|
|
#define LQ_SS_STBC_1SS_ALLOWED (1 << LQ_SS_STBC_ALLOWED_POS)
|
|
|
|
/* Bit 2: Beamformer (VHT only) is allowed */
|
|
#define LQ_SS_BFER_ALLOWED_POS 2
|
|
#define LQ_SS_BFER_ALLOWED (1 << LQ_SS_BFER_ALLOWED_POS)
|
|
|
|
/* Bit 3: Force BFER or STBC for testing
|
|
* If this is set:
|
|
* If BFER is allowed then force the ucode to choose BFER else
|
|
* If STBC is allowed then force the ucode to choose STBC over SISO
|
|
*/
|
|
#define LQ_SS_FORCE_POS 3
|
|
#define LQ_SS_FORCE (1 << LQ_SS_FORCE_POS)
|
|
|
|
/* Bit 31: ss_params field is valid. Used for FW backward compatibility
|
|
* with other drivers which don't support the ss_params API yet
|
|
*/
|
|
#define LQ_SS_PARAMS_VALID_POS 31
|
|
#define LQ_SS_PARAMS_VALID (1 << LQ_SS_PARAMS_VALID_POS)
|
|
|
|
/**
|
|
* struct iwl_lq_cmd - link quality command
|
|
* @sta_id: station to update
|
|
* @reduced_tpc: reduced transmit power control value
|
|
* @control: not used
|
|
* @flags: combination of LQ_FLAG_*
|
|
* @mimo_delim: the first SISO index in rs_table, which separates MIMO
|
|
* and SISO rates
|
|
* @single_stream_ant_msk: best antenna for SISO (can be dual in CDD).
|
|
* Should be ANT_[ABC]
|
|
* @dual_stream_ant_msk: best antennas for MIMO, combination of ANT_[ABC]
|
|
* @initial_rate_index: first index from rs_table per AC category
|
|
* @agg_time_limit: aggregation max time threshold in usec/100, meaning
|
|
* value of 100 is one usec. Range is 100 to 8000
|
|
* @agg_disable_start_th: try-count threshold for starting aggregation.
|
|
* If a frame has higher try-count, it should not be selected for
|
|
* starting an aggregation sequence.
|
|
* @agg_frame_cnt_limit: max frame count in an aggregation.
|
|
* 0: no limit
|
|
* 1: no aggregation (one frame per aggregation)
|
|
* 2 - 0x3f: maximal number of frames (up to 3f == 63)
|
|
* @reserved2: reserved
|
|
* @rs_table: array of rates for each TX try, each is rate_n_flags,
|
|
* meaning it is a combination of RATE_MCS_* and IWL_RATE_*_PLCP
|
|
* @ss_params: single stream features. declare whether STBC or BFER are allowed.
|
|
*/
|
|
struct iwl_lq_cmd {
|
|
u8 sta_id;
|
|
u8 reduced_tpc;
|
|
__le16 control;
|
|
/* LINK_QUAL_GENERAL_PARAMS_API_S_VER_1 */
|
|
u8 flags;
|
|
u8 mimo_delim;
|
|
u8 single_stream_ant_msk;
|
|
u8 dual_stream_ant_msk;
|
|
u8 initial_rate_index[AC_NUM];
|
|
/* LINK_QUAL_AGG_PARAMS_API_S_VER_1 */
|
|
__le16 agg_time_limit;
|
|
u8 agg_disable_start_th;
|
|
u8 agg_frame_cnt_limit;
|
|
__le32 reserved2;
|
|
__le32 rs_table[LQ_MAX_RETRY_NUM];
|
|
__le32 ss_params;
|
|
}; /* LINK_QUALITY_CMD_API_S_VER_1 */
|
|
|
|
u8 iwl_fw_rate_idx_to_plcp(int idx);
|
|
u32 iwl_new_rate_from_v1(u32 rate_v1);
|
|
const struct iwl_rate_mcs_info *iwl_rate_mcs(int idx);
|
|
const char *iwl_rs_pretty_ant(u8 ant);
|
|
const char *iwl_rs_pretty_bw(int bw);
|
|
int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
|
|
bool iwl_he_is_sgi(u32 rate_n_flags);
|
|
|
|
#endif /* __iwl_fw_api_rs_h__ */
|