/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (C) 2012-2014, 2018-2020 Intel Corporation * Copyright (C) 2017 Intel Deutschland GmbH */ #ifndef __iwl_fw_api_rs_h__ #define __iwl_fw_api_rs_h__ #include "mac.h" /** * enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags * @IWL_TLC_MNG_CFG_FLAGS_STBC_MSK: enable STBC. For HE this enables STBC for * bandwidths <= 80MHz * @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC * @IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK: enable STBC in HE at 160MHz * bandwidth * @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK: enable HE Dual Carrier Modulation * for BPSK (MCS 0) with 1 spatial * stream * @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK: enable HE Dual Carrier Modulation * for BPSK (MCS 0) with 2 spatial * streams */ enum iwl_tlc_mng_cfg_flags { IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0), IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK = BIT(1), IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK = BIT(2), IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK = BIT(3), IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK = BIT(4), }; /** * enum iwl_tlc_mng_cfg_cw - channel width options * @IWL_TLC_MNG_CH_WIDTH_20MHZ: 20MHZ channel * @IWL_TLC_MNG_CH_WIDTH_40MHZ: 40MHZ channel * @IWL_TLC_MNG_CH_WIDTH_80MHZ: 80MHZ channel * @IWL_TLC_MNG_CH_WIDTH_160MHZ: 160MHZ channel * @IWL_TLC_MNG_CH_WIDTH_LAST: maximum value */ enum iwl_tlc_mng_cfg_cw { IWL_TLC_MNG_CH_WIDTH_20MHZ, IWL_TLC_MNG_CH_WIDTH_40MHZ, IWL_TLC_MNG_CH_WIDTH_80MHZ, IWL_TLC_MNG_CH_WIDTH_160MHZ, IWL_TLC_MNG_CH_WIDTH_LAST = IWL_TLC_MNG_CH_WIDTH_160MHZ, }; /** * enum iwl_tlc_mng_cfg_chains - possible chains * @IWL_TLC_MNG_CHAIN_A_MSK: chain A * @IWL_TLC_MNG_CHAIN_B_MSK: chain B */ enum iwl_tlc_mng_cfg_chains { IWL_TLC_MNG_CHAIN_A_MSK = BIT(0), IWL_TLC_MNG_CHAIN_B_MSK = BIT(1), }; /** * enum iwl_tlc_mng_cfg_mode - supported modes * @IWL_TLC_MNG_MODE_CCK: enable CCK * @IWL_TLC_MNG_MODE_OFDM_NON_HT: enable OFDM (non HT) * @IWL_TLC_MNG_MODE_NON_HT: enable non HT * @IWL_TLC_MNG_MODE_HT: enable HT * @IWL_TLC_MNG_MODE_VHT: enable VHT * @IWL_TLC_MNG_MODE_HE: enable HE * @IWL_TLC_MNG_MODE_INVALID: invalid value * @IWL_TLC_MNG_MODE_NUM: a count of possible modes */ enum iwl_tlc_mng_cfg_mode { IWL_TLC_MNG_MODE_CCK = 0, IWL_TLC_MNG_MODE_OFDM_NON_HT = IWL_TLC_MNG_MODE_CCK, IWL_TLC_MNG_MODE_NON_HT = IWL_TLC_MNG_MODE_CCK, IWL_TLC_MNG_MODE_HT, IWL_TLC_MNG_MODE_VHT, IWL_TLC_MNG_MODE_HE, IWL_TLC_MNG_MODE_INVALID, IWL_TLC_MNG_MODE_NUM = IWL_TLC_MNG_MODE_INVALID, }; /** * enum iwl_tlc_mng_ht_rates - HT/VHT/HE rates * @IWL_TLC_MNG_HT_RATE_MCS0: index of MCS0 * @IWL_TLC_MNG_HT_RATE_MCS1: index of MCS1 * @IWL_TLC_MNG_HT_RATE_MCS2: index of MCS2 * @IWL_TLC_MNG_HT_RATE_MCS3: index of MCS3 * @IWL_TLC_MNG_HT_RATE_MCS4: index of MCS4 * @IWL_TLC_MNG_HT_RATE_MCS5: index of MCS5 * @IWL_TLC_MNG_HT_RATE_MCS6: index of MCS6 * @IWL_TLC_MNG_HT_RATE_MCS7: index of MCS7 * @IWL_TLC_MNG_HT_RATE_MCS8: index of MCS8 * @IWL_TLC_MNG_HT_RATE_MCS9: index of MCS9 * @IWL_TLC_MNG_HT_RATE_MCS10: index of MCS10 * @IWL_TLC_MNG_HT_RATE_MCS11: index of MCS11 * @IWL_TLC_MNG_HT_RATE_MAX: maximal rate for HT/VHT */ enum iwl_tlc_mng_ht_rates { IWL_TLC_MNG_HT_RATE_MCS0 = 0, IWL_TLC_MNG_HT_RATE_MCS1, IWL_TLC_MNG_HT_RATE_MCS2, IWL_TLC_MNG_HT_RATE_MCS3, IWL_TLC_MNG_HT_RATE_MCS4, IWL_TLC_MNG_HT_RATE_MCS5, IWL_TLC_MNG_HT_RATE_MCS6, IWL_TLC_MNG_HT_RATE_MCS7, IWL_TLC_MNG_HT_RATE_MCS8, IWL_TLC_MNG_HT_RATE_MCS9, IWL_TLC_MNG_HT_RATE_MCS10, IWL_TLC_MNG_HT_RATE_MCS11, IWL_TLC_MNG_HT_RATE_MAX = IWL_TLC_MNG_HT_RATE_MCS11, }; enum IWL_TLC_MNG_NSS { IWL_TLC_NSS_1, IWL_TLC_NSS_2, IWL_TLC_NSS_MAX }; /** * enum IWL_TLC_MCS_PER_BW - mcs index per BW * @IWL_TLC_MCS_PER_BW_80: mcs for bw - 20Hhz, 40Hhz, 80Hhz * @IWL_TLC_MCS_PER_BW_160: mcs for bw - 160Mhz * @IWL_TLC_MCS_PER_BW_320: mcs for bw - 320Mhz * @IWL_TLC_MCS_PER_BW_NUM_V3: number of entries up to version 3 * @IWL_TLC_MCS_PER_BW_NUM_V4: number of entries from version 4 */ enum IWL_TLC_MCS_PER_BW { IWL_TLC_MCS_PER_BW_80, IWL_TLC_MCS_PER_BW_160, IWL_TLC_MCS_PER_BW_320, IWL_TLC_MCS_PER_BW_NUM_V3 = IWL_TLC_MCS_PER_BW_160 + 1, IWL_TLC_MCS_PER_BW_NUM_V4 = IWL_TLC_MCS_PER_BW_320 + 1, }; /** * struct tlc_config_cmd - TLC configuration * @sta_id: station id * @reserved1: reserved * @max_ch_width: max supported channel width from @enum iwl_tlc_mng_cfg_cw * @mode: &enum iwl_tlc_mng_cfg_mode * @chains: bitmask of &enum iwl_tlc_mng_cfg_chains * @amsdu: TX amsdu is supported * @flags: bitmask of &enum iwl_tlc_mng_cfg_flags * @non_ht_rates: bitmap of supported legacy rates * @ht_rates: bitmap of &enum iwl_tlc_mng_ht_rates, per &enum IWL_TLC_MCS_PER_BW * pair (0 - 80mhz width and below, 1 - 160mhz). * @max_mpdu_len: max MPDU length, in bytes * @sgi_ch_width_supp: bitmap of SGI support per channel width * use BIT(@enum iwl_tlc_mng_cfg_cw) * @reserved2: reserved * @max_tx_op: max TXOP in uSecs for all AC (BK, BE, VO, VI), * set zero for no limit. */ struct iwl_tlc_config_cmd_v3 { u8 sta_id; u8 reserved1[3]; u8 max_ch_width; u8 mode; u8 chains; u8 amsdu; __le16 flags; __le16 non_ht_rates; __le16 ht_rates[IWL_TLC_NSS_MAX][IWL_TLC_MCS_PER_BW_NUM_V3]; __le16 max_mpdu_len; u8 sgi_ch_width_supp; u8 reserved2; __le32 max_tx_op; } __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_3 */ /** * struct tlc_config_cmd - TLC configuration * @sta_id: station id * @reserved1: reserved * @max_ch_width: max supported channel width from &enum iwl_tlc_mng_cfg_cw * @mode: &enum iwl_tlc_mng_cfg_mode * @chains: bitmask of &enum iwl_tlc_mng_cfg_chains * @sgi_ch_width_supp: bitmap of SGI support per channel width * use BIT(&enum iwl_tlc_mng_cfg_cw) * @flags: bitmask of &enum iwl_tlc_mng_cfg_flags * @non_ht_rates: bitmap of supported legacy rates * @ht_rates: bitmap of &enum iwl_tlc_mng_ht_rates, per * pair (0 - 80mhz width and below, 1 - 160mhz, 2 - 320mhz). * @max_mpdu_len: max MPDU length, in bytes * @max_tx_op: max TXOP in uSecs for all AC (BK, BE, VO, VI), * set zero for no limit. */ struct iwl_tlc_config_cmd_v4 { u8 sta_id; u8 reserved1[3]; u8 max_ch_width; u8 mode; u8 chains; u8 sgi_ch_width_supp; __le16 flags; __le16 non_ht_rates; __le16 ht_rates[IWL_TLC_NSS_MAX][IWL_TLC_MCS_PER_BW_NUM_V4]; __le16 max_mpdu_len; __le16 max_tx_op; } __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_4 */ /** * enum iwl_tlc_update_flags - updated fields * @IWL_TLC_NOTIF_FLAG_RATE: last initial rate update * @IWL_TLC_NOTIF_FLAG_AMSDU: umsdu parameters update */ enum iwl_tlc_update_flags { IWL_TLC_NOTIF_FLAG_RATE = BIT(0), IWL_TLC_NOTIF_FLAG_AMSDU = BIT(1), }; /** * struct iwl_tlc_update_notif - TLC notification from FW * @sta_id: station id * @reserved: reserved * @flags: bitmap of notifications reported * @rate: current initial rate * @amsdu_size: Max AMSDU size, in bytes * @amsdu_enabled: bitmap for per-TID AMSDU enablement */ struct iwl_tlc_update_notif { u8 sta_id; u8 reserved[3]; __le32 flags; __le32 rate; __le32 amsdu_size; __le32 amsdu_enabled; } __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_2 */ #define IWL_MAX_MCS_DISPLAY_SIZE 12 struct iwl_rate_mcs_info { char mbps[IWL_MAX_MCS_DISPLAY_SIZE]; char mcs[IWL_MAX_MCS_DISPLAY_SIZE]; }; /* * These serve as indexes into * struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT]; * TODO: avoid overlap between legacy and HT rates */ enum { IWL_RATE_1M_INDEX = 0, IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX, IWL_RATE_2M_INDEX, IWL_RATE_5M_INDEX, IWL_RATE_11M_INDEX, IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX, IWL_RATE_6M_INDEX, IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX, IWL_RATE_MCS_0_INDEX = IWL_RATE_6M_INDEX, IWL_FIRST_HT_RATE = IWL_RATE_MCS_0_INDEX, IWL_FIRST_VHT_RATE = IWL_RATE_MCS_0_INDEX, IWL_RATE_9M_INDEX, IWL_RATE_12M_INDEX, IWL_RATE_MCS_1_INDEX = IWL_RATE_12M_INDEX, IWL_RATE_18M_INDEX, IWL_RATE_MCS_2_INDEX = IWL_RATE_18M_INDEX, IWL_RATE_24M_INDEX, IWL_RATE_MCS_3_INDEX = IWL_RATE_24M_INDEX, IWL_RATE_36M_INDEX, IWL_RATE_MCS_4_INDEX = IWL_RATE_36M_INDEX, IWL_RATE_48M_INDEX, IWL_RATE_MCS_5_INDEX = IWL_RATE_48M_INDEX, IWL_RATE_54M_INDEX, IWL_RATE_MCS_6_INDEX = IWL_RATE_54M_INDEX, IWL_LAST_NON_HT_RATE = IWL_RATE_54M_INDEX, IWL_RATE_60M_INDEX, IWL_RATE_MCS_7_INDEX = IWL_RATE_60M_INDEX, IWL_LAST_HT_RATE = IWL_RATE_MCS_7_INDEX, IWL_RATE_MCS_8_INDEX, IWL_RATE_MCS_9_INDEX, IWL_LAST_VHT_RATE = IWL_RATE_MCS_9_INDEX, IWL_RATE_MCS_10_INDEX, IWL_RATE_MCS_11_INDEX, IWL_LAST_HE_RATE = IWL_RATE_MCS_11_INDEX, IWL_RATE_COUNT_LEGACY = IWL_LAST_NON_HT_RATE + 1, IWL_RATE_COUNT = IWL_LAST_HE_RATE + 1, IWL_RATE_INVM_INDEX = IWL_RATE_COUNT, IWL_RATE_INVALID = IWL_RATE_COUNT, }; #define IWL_RATE_BIT_MSK(r) BIT(IWL_RATE_##r##M_INDEX) /* fw API values for legacy bit rates, both OFDM and CCK */ enum { IWL_RATE_6M_PLCP = 13, IWL_RATE_9M_PLCP = 15, IWL_RATE_12M_PLCP = 5, IWL_RATE_18M_PLCP = 7, IWL_RATE_24M_PLCP = 9, IWL_RATE_36M_PLCP = 11, IWL_RATE_48M_PLCP = 1, IWL_RATE_54M_PLCP = 3, IWL_RATE_1M_PLCP = 10, IWL_RATE_2M_PLCP = 20, IWL_RATE_5M_PLCP = 55, IWL_RATE_11M_PLCP = 110, IWL_RATE_INVM_PLCP = -1, }; /* * rate_n_flags bit fields version 1 * * The 32-bit value has different layouts in the low 8 bites depending on the * format. There are three formats, HT, VHT and legacy (11abg, with subformats * for CCK and OFDM). * * High-throughput (HT) rate format * bit 8 is 1, bit 26 is 0, bit 9 is 0 (OFDM) * Very High-throughput (VHT) rate format * bit 8 is 0, bit 26 is 1, bit 9 is 0 (OFDM) * Legacy OFDM rate format for bits 7:0 * bit 8 is 0, bit 26 is 0, bit 9 is 0 (OFDM) * Legacy CCK rate format for bits 7:0: * bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK) */ /* Bit 8: (1) HT format, (0) legacy or VHT format */ #define RATE_MCS_HT_POS 8 #define RATE_MCS_HT_MSK_V1 BIT(RATE_MCS_HT_POS) /* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */ #define RATE_MCS_CCK_POS_V1 9 #define RATE_MCS_CCK_MSK_V1 BIT(RATE_MCS_CCK_POS_V1) /* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */ #define RATE_MCS_VHT_POS_V1 26 #define RATE_MCS_VHT_MSK_V1 BIT(RATE_MCS_VHT_POS_V1) /* * High-throughput (HT) rate format for bits 7:0 * * 2-0: MCS rate base * 0) 6 Mbps * 1) 12 Mbps * 2) 18 Mbps * 3) 24 Mbps * 4) 36 Mbps * 5) 48 Mbps * 6) 54 Mbps * 7) 60 Mbps * 4-3: 0) Single stream (SISO) * 1) Dual stream (MIMO) * 2) Triple stream (MIMO) * 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data * (bits 7-6 are zero) * * Together the low 5 bits work out to the MCS index because we don't * support MCSes above 15/23, and 0-7 have one stream, 8-15 have two * streams and 16-23 have three streams. We could also support MCS 32 * which is the duplicate 20 MHz MCS (bit 5 set, all others zero.) */ #define RATE_HT_MCS_RATE_CODE_MSK_V1 0x7 #define RATE_HT_MCS_NSS_POS_V1 3 #define RATE_HT_MCS_NSS_MSK_V1 (3 << RATE_HT_MCS_NSS_POS_V1) #define RATE_HT_MCS_MIMO2_MSK BIT(RATE_HT_MCS_NSS_POS_V1) /* Bit 10: (1) Use Green Field preamble */ #define RATE_HT_MCS_GF_POS 10 #define RATE_HT_MCS_GF_MSK (1 << RATE_HT_MCS_GF_POS) #define RATE_HT_MCS_INDEX_MSK_V1 0x3f /* * Very High-throughput (VHT) rate format for bits 7:0 * * 3-0: VHT MCS (0-9) * 5-4: number of streams - 1: * 0) Single stream (SISO) * 1) Dual stream (MIMO) * 2) Triple stream (MIMO) */ /* Bit 4-5: (0) SISO, (1) MIMO2 (2) MIMO3 */ #define RATE_VHT_MCS_RATE_CODE_MSK 0xf #define RATE_VHT_MCS_NSS_POS 4 #define RATE_VHT_MCS_NSS_MSK (3 << RATE_VHT_MCS_NSS_POS) #define RATE_VHT_MCS_MIMO2_MSK BIT(RATE_VHT_MCS_NSS_POS) /* * Legacy OFDM rate format for bits 7:0 * * 3-0: 0xD) 6 Mbps * 0xF) 9 Mbps * 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__ */