/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ #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 * @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC */ enum iwl_tlc_mng_cfg_flags { IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0), IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK = BIT(1), }; /** * 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, }; /* Maximum supported tx antennas number */ #define MAX_NSS 2 /** * 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 * 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 */ struct iwl_tlc_config_cmd { 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[MAX_NSS][2]; __le16 max_mpdu_len; u8 sgi_ch_width_supp; u8 reserved2[1]; } __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_2 */ /** * 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 */ /** * enum iwl_tlc_debug_flags - debug options * @IWL_TLC_DEBUG_FIXED_RATE: set fixed rate for rate scaling * @IWL_TLC_DEBUG_STATS_TH: threshold for sending statistics to the driver, in * frames * @IWL_TLC_DEBUG_STATS_TIME_TH: threshold for sending statistics to the * driver, in msec * @IWL_TLC_DEBUG_AGG_TIME_LIM: time limit for a BA session * @IWL_TLC_DEBUG_AGG_DIS_START_TH: frame with try-count greater than this * threshold should not start an aggregation session * @IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM: set max number of frames in an aggregation * @IWL_TLC_DEBUG_RENEW_ADDBA_DELAY: delay between retries of ADD BA * @IWL_TLC_DEBUG_START_AC_RATE_IDX: frames per second to start a BA session * @IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK: disable BW scaling */ enum iwl_tlc_debug_flags { IWL_TLC_DEBUG_FIXED_RATE, IWL_TLC_DEBUG_STATS_TH, IWL_TLC_DEBUG_STATS_TIME_TH, IWL_TLC_DEBUG_AGG_TIME_LIM, IWL_TLC_DEBUG_AGG_DIS_START_TH, IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM, IWL_TLC_DEBUG_RENEW_ADDBA_DELAY, IWL_TLC_DEBUG_START_AC_RATE_IDX, IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK, }; /* TLC_MNG_DEBUG_FLAGS_API_E_VER_1 */ /** * struct iwl_dhc_tlc_dbg - fixed debug config * @sta_id: bit 0 - enable/disable, bits 1 - 7 hold station id * @reserved1: reserved * @flags: bitmap of %IWL_TLC_DEBUG_\* * @fixed_rate: rate value * @stats_threshold: if number of tx-ed frames is greater, send statistics * @time_threshold: statistics threshold in usec * @agg_time_lim: max agg time * @agg_dis_start_threshold: frames with try-cont greater than this count will * not be aggregated * @agg_frame_count_lim: agg size * @addba_retry_delay: delay between retries of ADD BA * @start_ac_rate_idx: frames per second to start a BA session * @no_far_range_tweak: disable BW scaling * @reserved2: reserved */ struct iwl_dhc_tlc_cmd { u8 sta_id; u8 reserved1[3]; __le32 flags; __le32 fixed_rate; __le16 stats_threshold; __le16 time_threshold; __le16 agg_time_lim; __le16 agg_dis_start_threshold; __le16 agg_frame_count_lim; __le16 addba_retry_delay; u8 start_ac_rate_idx[IEEE80211_NUM_ACS]; u8 no_far_range_tweak; u8 reserved2[3]; } __packed; /* * 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, }; #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 * * 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 (1 << 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 9 #define RATE_MCS_CCK_MSK (1 << RATE_MCS_CCK_POS) /* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */ #define RATE_MCS_VHT_POS 26 #define RATE_MCS_VHT_MSK (1 << RATE_MCS_VHT_POS) /* * 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 0x7 #define RATE_HT_MCS_NSS_POS 3 #define RATE_HT_MCS_NSS_MSK (3 << RATE_HT_MCS_NSS_POS) /* 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 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) /* * 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 0xff /* Bit 10 - OFDM HE */ #define RATE_MCS_HE_POS 10 #define RATE_MCS_HE_MSK BIT(RATE_MCS_HE_POS) /* * 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 (3 << 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) /* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */ #define RATE_MCS_SGI_POS 13 #define RATE_MCS_SGI_MSK (1 << RATE_MCS_SGI_POS) /* 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_C_MSK (4 << RATE_MCS_ANT_POS) #define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | \ RATE_MCS_ANT_B_MSK) #define RATE_MCS_ANT_ABC_MSK (RATE_MCS_ANT_AB_MSK | \ RATE_MCS_ANT_C_MSK) #define RATE_MCS_ANT_MSK RATE_MCS_ANT_ABC_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 (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 22 #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 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */ #define RATE_MCS_DUP_POS 24 #define RATE_MCS_DUP_MSK (3 << RATE_MCS_DUP_POS) /* Bit 27: (1) LDPC enabled, (0) LDPC disabled */ #define RATE_MCS_LDPC_POS 27 #define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS) /* Bit 28: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */ #define RATE_MCS_HE_106T_POS 28 #define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS) /* 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 */ #endif /* __iwl_fw_api_rs_h__ */