iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h
Mordechay Goodstein 774302d2d3 wifi: iwlwifi: mvm: clean up duplicated defines 
VHT, HE and EHT rates use the same bits for NSS, so no need for
defines per PHY version.

Also use spatch to replace bit manipulation with FIELD_GET:

  @@
  identifier rate;
  @@
  -((rate & RATE_MCS_NSS_MSK) >> RATE_MCS_NSS_POS)
  +FIELD_GET(RATE_MCS_NSS_MSK, rate)

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230305124407.167ed9477aa8.Ibd8e71d31896e8d8f067ce4e3a6e9a0e86c78f3f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-07 20:15:18 +01:00

767 lines
24 KiB
C
Raw Blame History

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014, 2018-2022 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_320MHZ: 320MHZ channel
*/
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_320MHZ,
};
/**
* 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_EHT: enable EHT
*/
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_EHT,
};
/**
* 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 iwl_tlc_config_cmd_v3 - 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 iwl_tlc_config_cmd_v4 - 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
/*
* 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-EHT TRIG:
* 0 1xLTF+1.6us
* 1 2xLTF+1.6us
* 2 4xLTF+3.2us
* 3 (does not occur)
* EHT MU:
* 0 2xLTF+0.8us
* 1 2xLTF+1.6us
* 2 4xLTF+0.8us
* 3 4xLTF+3.2us
*/
#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_VAL 0
#define RATE_MCS_CHAN_WIDTH_20 (RATE_MCS_CHAN_WIDTH_20_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_40_VAL 1
#define RATE_MCS_CHAN_WIDTH_40 (RATE_MCS_CHAN_WIDTH_40_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_80_VAL 2
#define RATE_MCS_CHAN_WIDTH_80 (RATE_MCS_CHAN_WIDTH_80_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_160_VAL 3
#define RATE_MCS_CHAN_WIDTH_160 (RATE_MCS_CHAN_WIDTH_160_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_320_VAL 4
#define RATE_MCS_CHAN_WIDTH_320 (RATE_MCS_CHAN_WIDTH_320_VAL << 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__ */
Reference in New Issue View Git Blame Copy Permalink