1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2017 Intel Deutschland GmbH
10 * Copyright(c) 2018 Intel Corporation
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * The full GNU General Public License is included in this distribution
22 * in the file called COPYING.
24 * Contact Information:
25 * Intel Linux Wireless <linuxwifi@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
31 * Copyright(c) 2017 Intel Deutschland GmbH
32 * Copyright(c) 2018 Intel Corporation
33 * All rights reserved.
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
39 * * Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * * Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in
43 * the documentation and/or other materials provided with the
45 * * Neither the name Intel Corporation nor the names of its
46 * contributors may be used to endorse or promote products derived
47 * from this software without specific prior written permission.
49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60 *****************************************************************************/
62 #ifndef __iwl_fw_api_rs_h__
63 #define __iwl_fw_api_rs_h__
68 * enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags
69 * @IWL_TLC_MNG_CFG_FLAGS_STBC_MSK: enable STBC
70 * @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC
72 enum iwl_tlc_mng_cfg_flags {
73 IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0),
74 IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK = BIT(1),
78 * enum iwl_tlc_mng_cfg_cw - channel width options
79 * @IWL_TLC_MNG_CH_WIDTH_20MHZ: 20MHZ channel
80 * @IWL_TLC_MNG_CH_WIDTH_40MHZ: 40MHZ channel
81 * @IWL_TLC_MNG_CH_WIDTH_80MHZ: 80MHZ channel
82 * @IWL_TLC_MNG_CH_WIDTH_160MHZ: 160MHZ channel
83 * @IWL_TLC_MNG_CH_WIDTH_LAST: maximum value
85 enum iwl_tlc_mng_cfg_cw {
86 IWL_TLC_MNG_CH_WIDTH_20MHZ,
87 IWL_TLC_MNG_CH_WIDTH_40MHZ,
88 IWL_TLC_MNG_CH_WIDTH_80MHZ,
89 IWL_TLC_MNG_CH_WIDTH_160MHZ,
90 IWL_TLC_MNG_CH_WIDTH_LAST = IWL_TLC_MNG_CH_WIDTH_160MHZ,
94 * enum iwl_tlc_mng_cfg_chains - possible chains
95 * @IWL_TLC_MNG_CHAIN_A_MSK: chain A
96 * @IWL_TLC_MNG_CHAIN_B_MSK: chain B
98 enum iwl_tlc_mng_cfg_chains {
99 IWL_TLC_MNG_CHAIN_A_MSK = BIT(0),
100 IWL_TLC_MNG_CHAIN_B_MSK = BIT(1),
104 * enum iwl_tlc_mng_cfg_mode - supported modes
105 * @IWL_TLC_MNG_MODE_CCK: enable CCK
106 * @IWL_TLC_MNG_MODE_OFDM_NON_HT: enable OFDM (non HT)
107 * @IWL_TLC_MNG_MODE_NON_HT: enable non HT
108 * @IWL_TLC_MNG_MODE_HT: enable HT
109 * @IWL_TLC_MNG_MODE_VHT: enable VHT
110 * @IWL_TLC_MNG_MODE_HE: enable HE
111 * @IWL_TLC_MNG_MODE_INVALID: invalid value
112 * @IWL_TLC_MNG_MODE_NUM: a count of possible modes
114 enum iwl_tlc_mng_cfg_mode {
115 IWL_TLC_MNG_MODE_CCK = 0,
116 IWL_TLC_MNG_MODE_OFDM_NON_HT = IWL_TLC_MNG_MODE_CCK,
117 IWL_TLC_MNG_MODE_NON_HT = IWL_TLC_MNG_MODE_CCK,
119 IWL_TLC_MNG_MODE_VHT,
121 IWL_TLC_MNG_MODE_INVALID,
122 IWL_TLC_MNG_MODE_NUM = IWL_TLC_MNG_MODE_INVALID,
126 * enum iwl_tlc_mng_ht_rates - HT/VHT/HE rates
127 * @IWL_TLC_MNG_HT_RATE_MCS0: index of MCS0
128 * @IWL_TLC_MNG_HT_RATE_MCS1: index of MCS1
129 * @IWL_TLC_MNG_HT_RATE_MCS2: index of MCS2
130 * @IWL_TLC_MNG_HT_RATE_MCS3: index of MCS3
131 * @IWL_TLC_MNG_HT_RATE_MCS4: index of MCS4
132 * @IWL_TLC_MNG_HT_RATE_MCS5: index of MCS5
133 * @IWL_TLC_MNG_HT_RATE_MCS6: index of MCS6
134 * @IWL_TLC_MNG_HT_RATE_MCS7: index of MCS7
135 * @IWL_TLC_MNG_HT_RATE_MCS8: index of MCS8
136 * @IWL_TLC_MNG_HT_RATE_MCS9: index of MCS9
137 * @IWL_TLC_MNG_HT_RATE_MCS10: index of MCS10
138 * @IWL_TLC_MNG_HT_RATE_MCS11: index of MCS11
139 * @IWL_TLC_MNG_HT_RATE_MAX: maximal rate for HT/VHT
141 enum iwl_tlc_mng_ht_rates {
142 IWL_TLC_MNG_HT_RATE_MCS0 = 0,
143 IWL_TLC_MNG_HT_RATE_MCS1,
144 IWL_TLC_MNG_HT_RATE_MCS2,
145 IWL_TLC_MNG_HT_RATE_MCS3,
146 IWL_TLC_MNG_HT_RATE_MCS4,
147 IWL_TLC_MNG_HT_RATE_MCS5,
148 IWL_TLC_MNG_HT_RATE_MCS6,
149 IWL_TLC_MNG_HT_RATE_MCS7,
150 IWL_TLC_MNG_HT_RATE_MCS8,
151 IWL_TLC_MNG_HT_RATE_MCS9,
152 IWL_TLC_MNG_HT_RATE_MCS10,
153 IWL_TLC_MNG_HT_RATE_MCS11,
154 IWL_TLC_MNG_HT_RATE_MAX = IWL_TLC_MNG_HT_RATE_MCS11,
157 /* Maximum supported tx antennas number */
161 * struct tlc_config_cmd - TLC configuration
162 * @sta_id: station id
163 * @reserved1: reserved
164 * @max_ch_width: max supported channel width from @enum iwl_tlc_mng_cfg_cw
165 * @mode: &enum iwl_tlc_mng_cfg_mode
166 * @chains: bitmask of &enum iwl_tlc_mng_cfg_chains
167 * @amsdu: TX amsdu is supported
168 * @flags: bitmask of &enum iwl_tlc_mng_cfg_flags
169 * @non_ht_rates: bitmap of supported legacy rates
170 * @ht_rates: bitmap of &enum iwl_tlc_mng_ht_rates, per <nss, channel-width>
171 * pair (0 - 80mhz width and below, 1 - 160mhz).
172 * @max_mpdu_len: max MPDU length, in bytes
173 * @sgi_ch_width_supp: bitmap of SGI support per channel width
174 * use BIT(@enum iwl_tlc_mng_cfg_cw)
175 * @reserved2: reserved
177 struct iwl_tlc_config_cmd {
186 __le16 ht_rates[MAX_NSS][2];
188 u8 sgi_ch_width_supp;
190 } __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_2 */
193 * enum iwl_tlc_update_flags - updated fields
194 * @IWL_TLC_NOTIF_FLAG_RATE: last initial rate update
195 * @IWL_TLC_NOTIF_FLAG_AMSDU: umsdu parameters update
197 enum iwl_tlc_update_flags {
198 IWL_TLC_NOTIF_FLAG_RATE = BIT(0),
199 IWL_TLC_NOTIF_FLAG_AMSDU = BIT(1),
203 * struct iwl_tlc_update_notif - TLC notification from FW
204 * @sta_id: station id
205 * @reserved: reserved
206 * @flags: bitmap of notifications reported
207 * @rate: current initial rate
208 * @amsdu_size: Max AMSDU size, in bytes
209 * @amsdu_enabled: bitmap for per-TID AMSDU enablement
211 struct iwl_tlc_update_notif {
217 __le32 amsdu_enabled;
218 } __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_2 */
221 * enum iwl_tlc_debug_flags - debug options
222 * @IWL_TLC_DEBUG_FIXED_RATE: set fixed rate for rate scaling
223 * @IWL_TLC_DEBUG_STATS_TH: threshold for sending statistics to the driver, in
225 * @IWL_TLC_DEBUG_STATS_TIME_TH: threshold for sending statistics to the
227 * @IWL_TLC_DEBUG_AGG_TIME_LIM: time limit for a BA session
228 * @IWL_TLC_DEBUG_AGG_DIS_START_TH: frame with try-count greater than this
229 * threshold should not start an aggregation session
230 * @IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM: set max number of frames in an aggregation
231 * @IWL_TLC_DEBUG_RENEW_ADDBA_DELAY: delay between retries of ADD BA
232 * @IWL_TLC_DEBUG_START_AC_RATE_IDX: frames per second to start a BA session
233 * @IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK: disable BW scaling
235 enum iwl_tlc_debug_flags {
236 IWL_TLC_DEBUG_FIXED_RATE,
237 IWL_TLC_DEBUG_STATS_TH,
238 IWL_TLC_DEBUG_STATS_TIME_TH,
239 IWL_TLC_DEBUG_AGG_TIME_LIM,
240 IWL_TLC_DEBUG_AGG_DIS_START_TH,
241 IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM,
242 IWL_TLC_DEBUG_RENEW_ADDBA_DELAY,
243 IWL_TLC_DEBUG_START_AC_RATE_IDX,
244 IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK,
245 }; /* TLC_MNG_DEBUG_FLAGS_API_E_VER_1 */
248 * struct iwl_dhc_tlc_dbg - fixed debug config
249 * @sta_id: bit 0 - enable/disable, bits 1 - 7 hold station id
250 * @reserved1: reserved
251 * @flags: bitmap of %IWL_TLC_DEBUG_\*
252 * @fixed_rate: rate value
253 * @stats_threshold: if number of tx-ed frames is greater, send statistics
254 * @time_threshold: statistics threshold in usec
255 * @agg_time_lim: max agg time
256 * @agg_dis_start_threshold: frames with try-cont greater than this count will
258 * @agg_frame_count_lim: agg size
259 * @addba_retry_delay: delay between retries of ADD BA
260 * @start_ac_rate_idx: frames per second to start a BA session
261 * @no_far_range_tweak: disable BW scaling
262 * @reserved2: reserved
264 struct iwl_dhc_tlc_cmd {
269 __le16 stats_threshold;
270 __le16 time_threshold;
272 __le16 agg_dis_start_threshold;
273 __le16 agg_frame_count_lim;
274 __le16 addba_retry_delay;
275 u8 start_ac_rate_idx[IEEE80211_NUM_ACS];
276 u8 no_far_range_tweak;
281 * These serve as indexes into
282 * struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT];
283 * TODO: avoid overlap between legacy and HT rates
286 IWL_RATE_1M_INDEX = 0,
287 IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
291 IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
293 IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
294 IWL_RATE_MCS_0_INDEX = IWL_RATE_6M_INDEX,
295 IWL_FIRST_HT_RATE = IWL_RATE_MCS_0_INDEX,
296 IWL_FIRST_VHT_RATE = IWL_RATE_MCS_0_INDEX,
299 IWL_RATE_MCS_1_INDEX = IWL_RATE_12M_INDEX,
301 IWL_RATE_MCS_2_INDEX = IWL_RATE_18M_INDEX,
303 IWL_RATE_MCS_3_INDEX = IWL_RATE_24M_INDEX,
305 IWL_RATE_MCS_4_INDEX = IWL_RATE_36M_INDEX,
307 IWL_RATE_MCS_5_INDEX = IWL_RATE_48M_INDEX,
309 IWL_RATE_MCS_6_INDEX = IWL_RATE_54M_INDEX,
310 IWL_LAST_NON_HT_RATE = IWL_RATE_54M_INDEX,
312 IWL_RATE_MCS_7_INDEX = IWL_RATE_60M_INDEX,
313 IWL_LAST_HT_RATE = IWL_RATE_MCS_7_INDEX,
314 IWL_RATE_MCS_8_INDEX,
315 IWL_RATE_MCS_9_INDEX,
316 IWL_LAST_VHT_RATE = IWL_RATE_MCS_9_INDEX,
317 IWL_RATE_MCS_10_INDEX,
318 IWL_RATE_MCS_11_INDEX,
319 IWL_LAST_HE_RATE = IWL_RATE_MCS_11_INDEX,
320 IWL_RATE_COUNT_LEGACY = IWL_LAST_NON_HT_RATE + 1,
321 IWL_RATE_COUNT = IWL_LAST_HE_RATE + 1,
324 #define IWL_RATE_BIT_MSK(r) BIT(IWL_RATE_##r##M_INDEX)
326 /* fw API values for legacy bit rates, both OFDM and CCK */
328 IWL_RATE_6M_PLCP = 13,
329 IWL_RATE_9M_PLCP = 15,
330 IWL_RATE_12M_PLCP = 5,
331 IWL_RATE_18M_PLCP = 7,
332 IWL_RATE_24M_PLCP = 9,
333 IWL_RATE_36M_PLCP = 11,
334 IWL_RATE_48M_PLCP = 1,
335 IWL_RATE_54M_PLCP = 3,
336 IWL_RATE_1M_PLCP = 10,
337 IWL_RATE_2M_PLCP = 20,
338 IWL_RATE_5M_PLCP = 55,
339 IWL_RATE_11M_PLCP = 110,
340 IWL_RATE_INVM_PLCP = -1,
344 * rate_n_flags bit fields
346 * The 32-bit value has different layouts in the low 8 bites depending on the
347 * format. There are three formats, HT, VHT and legacy (11abg, with subformats
350 * High-throughput (HT) rate format
351 * bit 8 is 1, bit 26 is 0, bit 9 is 0 (OFDM)
352 * Very High-throughput (VHT) rate format
353 * bit 8 is 0, bit 26 is 1, bit 9 is 0 (OFDM)
354 * Legacy OFDM rate format for bits 7:0
355 * bit 8 is 0, bit 26 is 0, bit 9 is 0 (OFDM)
356 * Legacy CCK rate format for bits 7:0:
357 * bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK)
360 /* Bit 8: (1) HT format, (0) legacy or VHT format */
361 #define RATE_MCS_HT_POS 8
362 #define RATE_MCS_HT_MSK (1 << RATE_MCS_HT_POS)
364 /* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */
365 #define RATE_MCS_CCK_POS 9
366 #define RATE_MCS_CCK_MSK (1 << RATE_MCS_CCK_POS)
368 /* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */
369 #define RATE_MCS_VHT_POS 26
370 #define RATE_MCS_VHT_MSK (1 << RATE_MCS_VHT_POS)
374 * High-throughput (HT) rate format for bits 7:0
385 * 4-3: 0) Single stream (SISO)
386 * 1) Dual stream (MIMO)
387 * 2) Triple stream (MIMO)
388 * 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data
389 * (bits 7-6 are zero)
391 * Together the low 5 bits work out to the MCS index because we don't
392 * support MCSes above 15/23, and 0-7 have one stream, 8-15 have two
393 * streams and 16-23 have three streams. We could also support MCS 32
394 * which is the duplicate 20 MHz MCS (bit 5 set, all others zero.)
396 #define RATE_HT_MCS_RATE_CODE_MSK 0x7
397 #define RATE_HT_MCS_NSS_POS 3
398 #define RATE_HT_MCS_NSS_MSK (3 << RATE_HT_MCS_NSS_POS)
400 /* Bit 10: (1) Use Green Field preamble */
401 #define RATE_HT_MCS_GF_POS 10
402 #define RATE_HT_MCS_GF_MSK (1 << RATE_HT_MCS_GF_POS)
404 #define RATE_HT_MCS_INDEX_MSK 0x3f
407 * Very High-throughput (VHT) rate format for bits 7:0
410 * 5-4: number of streams - 1:
411 * 0) Single stream (SISO)
412 * 1) Dual stream (MIMO)
413 * 2) Triple stream (MIMO)
416 /* Bit 4-5: (0) SISO, (1) MIMO2 (2) MIMO3 */
417 #define RATE_VHT_MCS_RATE_CODE_MSK 0xf
418 #define RATE_VHT_MCS_NSS_POS 4
419 #define RATE_VHT_MCS_NSS_MSK (3 << RATE_VHT_MCS_NSS_POS)
422 * Legacy OFDM rate format for bits 7:0
434 * Legacy CCK rate format for bits 7:0:
435 * bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK):
443 #define RATE_LEGACY_RATE_MSK 0xff
445 /* Bit 10 - OFDM HE */
446 #define RATE_MCS_HE_POS 10
447 #define RATE_MCS_HE_MSK BIT(RATE_MCS_HE_POS)
450 * Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz
451 * 0 and 1 are valid for HT and VHT, 2 and 3 only for VHT
453 #define RATE_MCS_CHAN_WIDTH_POS 11
454 #define RATE_MCS_CHAN_WIDTH_MSK (3 << RATE_MCS_CHAN_WIDTH_POS)
455 #define RATE_MCS_CHAN_WIDTH_20 (0 << RATE_MCS_CHAN_WIDTH_POS)
456 #define RATE_MCS_CHAN_WIDTH_40 (1 << RATE_MCS_CHAN_WIDTH_POS)
457 #define RATE_MCS_CHAN_WIDTH_80 (2 << RATE_MCS_CHAN_WIDTH_POS)
458 #define RATE_MCS_CHAN_WIDTH_160 (3 << RATE_MCS_CHAN_WIDTH_POS)
460 /* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */
461 #define RATE_MCS_SGI_POS 13
462 #define RATE_MCS_SGI_MSK (1 << RATE_MCS_SGI_POS)
464 /* Bit 14-16: Antenna selection (1) Ant A, (2) Ant B, (4) Ant C */
465 #define RATE_MCS_ANT_POS 14
466 #define RATE_MCS_ANT_A_MSK (1 << RATE_MCS_ANT_POS)
467 #define RATE_MCS_ANT_B_MSK (2 << RATE_MCS_ANT_POS)
468 #define RATE_MCS_ANT_C_MSK (4 << RATE_MCS_ANT_POS)
469 #define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | \
471 #define RATE_MCS_ANT_ABC_MSK (RATE_MCS_ANT_AB_MSK | \
473 #define RATE_MCS_ANT_MSK RATE_MCS_ANT_ABC_MSK
475 /* Bit 17: (0) SS, (1) SS*2 */
476 #define RATE_MCS_STBC_POS 17
477 #define RATE_MCS_STBC_MSK BIT(RATE_MCS_STBC_POS)
479 /* Bit 18: OFDM-HE dual carrier mode */
480 #define RATE_HE_DUAL_CARRIER_MODE 18
481 #define RATE_HE_DUAL_CARRIER_MODE_MSK BIT(RATE_HE_DUAL_CARRIER_MODE)
483 /* Bit 19: (0) Beamforming is off, (1) Beamforming is on */
484 #define RATE_MCS_BF_POS 19
485 #define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS)
488 * Bit 20-21: HE LTF type and guard interval
493 * 3 & SGI (bit 13) clear 4xLTF+3.2us
494 * 3 & SGI (bit 13) set 4xLTF+0.8us
506 #define RATE_MCS_HE_GI_LTF_POS 20
507 #define RATE_MCS_HE_GI_LTF_MSK (3 << RATE_MCS_HE_GI_LTF_POS)
509 /* Bit 22-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
510 #define RATE_MCS_HE_TYPE_POS 22
511 #define RATE_MCS_HE_TYPE_SU (0 << RATE_MCS_HE_TYPE_POS)
512 #define RATE_MCS_HE_TYPE_EXT_SU (1 << RATE_MCS_HE_TYPE_POS)
513 #define RATE_MCS_HE_TYPE_MU (2 << RATE_MCS_HE_TYPE_POS)
514 #define RATE_MCS_HE_TYPE_TRIG (3 << RATE_MCS_HE_TYPE_POS)
515 #define RATE_MCS_HE_TYPE_MSK (3 << RATE_MCS_HE_TYPE_POS)
517 /* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */
518 #define RATE_MCS_DUP_POS 24
519 #define RATE_MCS_DUP_MSK (3 << RATE_MCS_DUP_POS)
521 /* Bit 27: (1) LDPC enabled, (0) LDPC disabled */
522 #define RATE_MCS_LDPC_POS 27
523 #define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS)
525 /* Bit 28: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */
526 #define RATE_MCS_HE_106T_POS 28
527 #define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS)
529 /* Link Quality definitions */
531 /* # entries in rate scale table to support Tx retries */
532 #define LQ_MAX_RETRY_NUM 16
534 /* Link quality command flags bit fields */
536 /* Bit 0: (0) Don't use RTS (1) Use RTS */
537 #define LQ_FLAG_USE_RTS_POS 0
538 #define LQ_FLAG_USE_RTS_MSK (1 << LQ_FLAG_USE_RTS_POS)
540 /* Bit 1-3: LQ command color. Used to match responses to LQ commands */
541 #define LQ_FLAG_COLOR_POS 1
542 #define LQ_FLAG_COLOR_MSK (7 << LQ_FLAG_COLOR_POS)
543 #define LQ_FLAG_COLOR_GET(_f) (((_f) & LQ_FLAG_COLOR_MSK) >>\
545 #define LQ_FLAGS_COLOR_INC(_c) ((((_c) + 1) << LQ_FLAG_COLOR_POS) &\
547 #define LQ_FLAG_COLOR_SET(_f, _c) ((_c) | ((_f) & ~LQ_FLAG_COLOR_MSK))
549 /* Bit 4-5: Tx RTS BW Signalling
550 * (0) No RTS BW signalling
551 * (1) Static BW signalling
552 * (2) Dynamic BW signalling
554 #define LQ_FLAG_RTS_BW_SIG_POS 4
555 #define LQ_FLAG_RTS_BW_SIG_NONE (0 << LQ_FLAG_RTS_BW_SIG_POS)
556 #define LQ_FLAG_RTS_BW_SIG_STATIC (1 << LQ_FLAG_RTS_BW_SIG_POS)
557 #define LQ_FLAG_RTS_BW_SIG_DYNAMIC (2 << LQ_FLAG_RTS_BW_SIG_POS)
559 /* Bit 6: (0) No dynamic BW selection (1) Allow dynamic BW selection
560 * Dyanmic BW selection allows Tx with narrower BW then requested in rates
562 #define LQ_FLAG_DYNAMIC_BW_POS 6
563 #define LQ_FLAG_DYNAMIC_BW_MSK (1 << LQ_FLAG_DYNAMIC_BW_POS)
565 /* Single Stream Tx Parameters (lq_cmd->ss_params)
566 * Flags to control a smart FW decision about whether BFER/STBC/SISO will be
567 * used for single stream Tx.
570 /* Bit 0-1: Max STBC streams allowed. Can be 0-3.
571 * (0) - No STBC allowed
572 * (1) - 2x1 STBC allowed (HT/VHT)
573 * (2) - 4x2 STBC allowed (HT/VHT)
574 * (3) - 3x2 STBC allowed (HT only)
575 * All our chips are at most 2 antennas so only (1) is valid for now.
577 #define LQ_SS_STBC_ALLOWED_POS 0
578 #define LQ_SS_STBC_ALLOWED_MSK (3 << LQ_SS_STBC_ALLOWED_MSK)
580 /* 2x1 STBC is allowed */
581 #define LQ_SS_STBC_1SS_ALLOWED (1 << LQ_SS_STBC_ALLOWED_POS)
583 /* Bit 2: Beamformer (VHT only) is allowed */
584 #define LQ_SS_BFER_ALLOWED_POS 2
585 #define LQ_SS_BFER_ALLOWED (1 << LQ_SS_BFER_ALLOWED_POS)
587 /* Bit 3: Force BFER or STBC for testing
589 * If BFER is allowed then force the ucode to choose BFER else
590 * If STBC is allowed then force the ucode to choose STBC over SISO
592 #define LQ_SS_FORCE_POS 3
593 #define LQ_SS_FORCE (1 << LQ_SS_FORCE_POS)
595 /* Bit 31: ss_params field is valid. Used for FW backward compatibility
596 * with other drivers which don't support the ss_params API yet
598 #define LQ_SS_PARAMS_VALID_POS 31
599 #define LQ_SS_PARAMS_VALID (1 << LQ_SS_PARAMS_VALID_POS)
602 * struct iwl_lq_cmd - link quality command
603 * @sta_id: station to update
604 * @reduced_tpc: reduced transmit power control value
606 * @flags: combination of LQ_FLAG_*
607 * @mimo_delim: the first SISO index in rs_table, which separates MIMO
609 * @single_stream_ant_msk: best antenna for SISO (can be dual in CDD).
610 * Should be ANT_[ABC]
611 * @dual_stream_ant_msk: best antennas for MIMO, combination of ANT_[ABC]
612 * @initial_rate_index: first index from rs_table per AC category
613 * @agg_time_limit: aggregation max time threshold in usec/100, meaning
614 * value of 100 is one usec. Range is 100 to 8000
615 * @agg_disable_start_th: try-count threshold for starting aggregation.
616 * If a frame has higher try-count, it should not be selected for
617 * starting an aggregation sequence.
618 * @agg_frame_cnt_limit: max frame count in an aggregation.
620 * 1: no aggregation (one frame per aggregation)
621 * 2 - 0x3f: maximal number of frames (up to 3f == 63)
622 * @reserved2: reserved
623 * @rs_table: array of rates for each TX try, each is rate_n_flags,
624 * meaning it is a combination of RATE_MCS_* and IWL_RATE_*_PLCP
625 * @ss_params: single stream features. declare whether STBC or BFER are allowed.
631 /* LINK_QUAL_GENERAL_PARAMS_API_S_VER_1 */
634 u8 single_stream_ant_msk;
635 u8 dual_stream_ant_msk;
636 u8 initial_rate_index[AC_NUM];
637 /* LINK_QUAL_AGG_PARAMS_API_S_VER_1 */
638 __le16 agg_time_limit;
639 u8 agg_disable_start_th;
640 u8 agg_frame_cnt_limit;
642 __le32 rs_table[LQ_MAX_RETRY_NUM];
644 }; /* LINK_QUALITY_CMD_API_S_VER_1 */
646 #endif /* __iwl_fw_api_rs_h__ */