| /* 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 |
| * <nss, channel-width> 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 <nss, channel-width> |
| * 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); |
| u32 iwl_legacy_rate_to_fw_idx(u32 rate_n_flags); |
| 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__ */ |
