1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
5 */
6
7 #include <net/mac80211.h>
8 #include <net/cfg80211.h>
9 #include <linux/etherdevice.h>
10 #include <linux/bitfield.h>
11 #include <linux/inetdevice.h>
12 #include <net/if_inet6.h>
13 #include <net/ipv6.h>
14
15 #include "mac.h"
16 #include "core.h"
17 #include "debug.h"
18 #include "wmi.h"
19 #include "hw.h"
20 #include "dp_tx.h"
21 #include "dp_rx.h"
22 #include "testmode.h"
23 #include "peer.h"
24 #include "debugfs_sta.h"
25 #include "hif.h"
26 #include "wow.h"
27
28 #define CHAN2G(_channel, _freq, _flags) { \
29 .band = NL80211_BAND_2GHZ, \
30 .hw_value = (_channel), \
31 .center_freq = (_freq), \
32 .flags = (_flags), \
33 .max_antenna_gain = 0, \
34 .max_power = 30, \
35 }
36
37 #define CHAN5G(_channel, _freq, _flags) { \
38 .band = NL80211_BAND_5GHZ, \
39 .hw_value = (_channel), \
40 .center_freq = (_freq), \
41 .flags = (_flags), \
42 .max_antenna_gain = 0, \
43 .max_power = 30, \
44 }
45
46 #define CHAN6G(_channel, _freq, _flags) { \
47 .band = NL80211_BAND_6GHZ, \
48 .hw_value = (_channel), \
49 .center_freq = (_freq), \
50 .flags = (_flags), \
51 .max_antenna_gain = 0, \
52 .max_power = 30, \
53 }
54
55 static const struct ieee80211_channel ath11k_2ghz_channels[] = {
56 CHAN2G(1, 2412, 0),
57 CHAN2G(2, 2417, 0),
58 CHAN2G(3, 2422, 0),
59 CHAN2G(4, 2427, 0),
60 CHAN2G(5, 2432, 0),
61 CHAN2G(6, 2437, 0),
62 CHAN2G(7, 2442, 0),
63 CHAN2G(8, 2447, 0),
64 CHAN2G(9, 2452, 0),
65 CHAN2G(10, 2457, 0),
66 CHAN2G(11, 2462, 0),
67 CHAN2G(12, 2467, 0),
68 CHAN2G(13, 2472, 0),
69 CHAN2G(14, 2484, 0),
70 };
71
72 static const struct ieee80211_channel ath11k_5ghz_channels[] = {
73 CHAN5G(36, 5180, 0),
74 CHAN5G(40, 5200, 0),
75 CHAN5G(44, 5220, 0),
76 CHAN5G(48, 5240, 0),
77 CHAN5G(52, 5260, 0),
78 CHAN5G(56, 5280, 0),
79 CHAN5G(60, 5300, 0),
80 CHAN5G(64, 5320, 0),
81 CHAN5G(100, 5500, 0),
82 CHAN5G(104, 5520, 0),
83 CHAN5G(108, 5540, 0),
84 CHAN5G(112, 5560, 0),
85 CHAN5G(116, 5580, 0),
86 CHAN5G(120, 5600, 0),
87 CHAN5G(124, 5620, 0),
88 CHAN5G(128, 5640, 0),
89 CHAN5G(132, 5660, 0),
90 CHAN5G(136, 5680, 0),
91 CHAN5G(140, 5700, 0),
92 CHAN5G(144, 5720, 0),
93 CHAN5G(149, 5745, 0),
94 CHAN5G(153, 5765, 0),
95 CHAN5G(157, 5785, 0),
96 CHAN5G(161, 5805, 0),
97 CHAN5G(165, 5825, 0),
98 CHAN5G(169, 5845, 0),
99 CHAN5G(173, 5865, 0),
100 CHAN5G(177, 5885, 0),
101 };
102
103 static const struct ieee80211_channel ath11k_6ghz_channels[] = {
104 CHAN6G(1, 5955, 0),
105 CHAN6G(5, 5975, 0),
106 CHAN6G(9, 5995, 0),
107 CHAN6G(13, 6015, 0),
108 CHAN6G(17, 6035, 0),
109 CHAN6G(21, 6055, 0),
110 CHAN6G(25, 6075, 0),
111 CHAN6G(29, 6095, 0),
112 CHAN6G(33, 6115, 0),
113 CHAN6G(37, 6135, 0),
114 CHAN6G(41, 6155, 0),
115 CHAN6G(45, 6175, 0),
116 CHAN6G(49, 6195, 0),
117 CHAN6G(53, 6215, 0),
118 CHAN6G(57, 6235, 0),
119 CHAN6G(61, 6255, 0),
120 CHAN6G(65, 6275, 0),
121 CHAN6G(69, 6295, 0),
122 CHAN6G(73, 6315, 0),
123 CHAN6G(77, 6335, 0),
124 CHAN6G(81, 6355, 0),
125 CHAN6G(85, 6375, 0),
126 CHAN6G(89, 6395, 0),
127 CHAN6G(93, 6415, 0),
128 CHAN6G(97, 6435, 0),
129 CHAN6G(101, 6455, 0),
130 CHAN6G(105, 6475, 0),
131 CHAN6G(109, 6495, 0),
132 CHAN6G(113, 6515, 0),
133 CHAN6G(117, 6535, 0),
134 CHAN6G(121, 6555, 0),
135 CHAN6G(125, 6575, 0),
136 CHAN6G(129, 6595, 0),
137 CHAN6G(133, 6615, 0),
138 CHAN6G(137, 6635, 0),
139 CHAN6G(141, 6655, 0),
140 CHAN6G(145, 6675, 0),
141 CHAN6G(149, 6695, 0),
142 CHAN6G(153, 6715, 0),
143 CHAN6G(157, 6735, 0),
144 CHAN6G(161, 6755, 0),
145 CHAN6G(165, 6775, 0),
146 CHAN6G(169, 6795, 0),
147 CHAN6G(173, 6815, 0),
148 CHAN6G(177, 6835, 0),
149 CHAN6G(181, 6855, 0),
150 CHAN6G(185, 6875, 0),
151 CHAN6G(189, 6895, 0),
152 CHAN6G(193, 6915, 0),
153 CHAN6G(197, 6935, 0),
154 CHAN6G(201, 6955, 0),
155 CHAN6G(205, 6975, 0),
156 CHAN6G(209, 6995, 0),
157 CHAN6G(213, 7015, 0),
158 CHAN6G(217, 7035, 0),
159 CHAN6G(221, 7055, 0),
160 CHAN6G(225, 7075, 0),
161 CHAN6G(229, 7095, 0),
162 CHAN6G(233, 7115, 0),
163
164 /* new addition in IEEE Std 802.11ax-2021 */
165 CHAN6G(2, 5935, 0),
166 };
167
168 static struct ieee80211_rate ath11k_legacy_rates[] = {
169 { .bitrate = 10,
170 .hw_value = ATH11K_HW_RATE_CCK_LP_1M },
171 { .bitrate = 20,
172 .hw_value = ATH11K_HW_RATE_CCK_LP_2M,
173 .hw_value_short = ATH11K_HW_RATE_CCK_SP_2M,
174 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
175 { .bitrate = 55,
176 .hw_value = ATH11K_HW_RATE_CCK_LP_5_5M,
177 .hw_value_short = ATH11K_HW_RATE_CCK_SP_5_5M,
178 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
179 { .bitrate = 110,
180 .hw_value = ATH11K_HW_RATE_CCK_LP_11M,
181 .hw_value_short = ATH11K_HW_RATE_CCK_SP_11M,
182 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
183
184 { .bitrate = 60, .hw_value = ATH11K_HW_RATE_OFDM_6M },
185 { .bitrate = 90, .hw_value = ATH11K_HW_RATE_OFDM_9M },
186 { .bitrate = 120, .hw_value = ATH11K_HW_RATE_OFDM_12M },
187 { .bitrate = 180, .hw_value = ATH11K_HW_RATE_OFDM_18M },
188 { .bitrate = 240, .hw_value = ATH11K_HW_RATE_OFDM_24M },
189 { .bitrate = 360, .hw_value = ATH11K_HW_RATE_OFDM_36M },
190 { .bitrate = 480, .hw_value = ATH11K_HW_RATE_OFDM_48M },
191 { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M },
192 };
193
194 static const int
195 ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = {
196 [NL80211_BAND_2GHZ] = {
197 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
198 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
199 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G,
200 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G,
201 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G,
202 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G,
203 [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN,
204 [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN,
205 },
206 [NL80211_BAND_5GHZ] = {
207 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
208 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
209 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
210 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
211 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
212 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
213 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
214 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
215 },
216 [NL80211_BAND_6GHZ] = {
217 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
218 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
219 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
220 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
221 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
222 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
223 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
224 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
225 },
226
227 };
228
229 const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = {
230 .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START |
231 HTT_RX_FILTER_TLV_FLAGS_PPDU_END |
232 HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE,
233 .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0,
234 .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1,
235 .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2,
236 .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 |
237 HTT_RX_FP_CTRL_FILTER_FLASG3
238 };
239
240 #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4
241 #define ath11k_g_rates ath11k_legacy_rates
242 #define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates))
243 #define ath11k_a_rates (ath11k_legacy_rates + 4)
244 #define ath11k_a_rates_size (ARRAY_SIZE(ath11k_legacy_rates) - 4)
245
246 #define ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD 200 /* in msecs */
247
248 /* Overhead due to the processing of channel switch events from FW */
249 #define ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD 10 /* in msecs */
250
251 static const u32 ath11k_smps_map[] = {
252 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
253 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
254 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
255 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
256 };
257
258 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw,
259 struct ieee80211_vif *vif);
260
ath11k_mac_phy_he_ru_to_nl80211_he_ru_alloc(u16 ru_phy)261 enum nl80211_he_ru_alloc ath11k_mac_phy_he_ru_to_nl80211_he_ru_alloc(u16 ru_phy)
262 {
263 enum nl80211_he_ru_alloc ret;
264
265 switch (ru_phy) {
266 case RU_26:
267 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;
268 break;
269 case RU_52:
270 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52;
271 break;
272 case RU_106:
273 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106;
274 break;
275 case RU_242:
276 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242;
277 break;
278 case RU_484:
279 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484;
280 break;
281 case RU_996:
282 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996;
283 break;
284 default:
285 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;
286 break;
287 }
288
289 return ret;
290 }
291
ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones)292 enum nl80211_he_ru_alloc ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones)
293 {
294 enum nl80211_he_ru_alloc ret;
295
296 switch (ru_tones) {
297 case 26:
298 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;
299 break;
300 case 52:
301 ret = NL80211_RATE_INFO_HE_RU_ALLOC_52;
302 break;
303 case 106:
304 ret = NL80211_RATE_INFO_HE_RU_ALLOC_106;
305 break;
306 case 242:
307 ret = NL80211_RATE_INFO_HE_RU_ALLOC_242;
308 break;
309 case 484:
310 ret = NL80211_RATE_INFO_HE_RU_ALLOC_484;
311 break;
312 case 996:
313 ret = NL80211_RATE_INFO_HE_RU_ALLOC_996;
314 break;
315 case (996 * 2):
316 ret = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
317 break;
318 default:
319 ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;
320 break;
321 }
322
323 return ret;
324 }
325
ath11k_mac_he_gi_to_nl80211_he_gi(u8 sgi)326 enum nl80211_he_gi ath11k_mac_he_gi_to_nl80211_he_gi(u8 sgi)
327 {
328 enum nl80211_he_gi ret;
329
330 switch (sgi) {
331 case RX_MSDU_START_SGI_0_8_US:
332 ret = NL80211_RATE_INFO_HE_GI_0_8;
333 break;
334 case RX_MSDU_START_SGI_1_6_US:
335 ret = NL80211_RATE_INFO_HE_GI_1_6;
336 break;
337 case RX_MSDU_START_SGI_3_2_US:
338 ret = NL80211_RATE_INFO_HE_GI_3_2;
339 break;
340 default:
341 ret = NL80211_RATE_INFO_HE_GI_0_8;
342 break;
343 }
344
345 return ret;
346 }
347
ath11k_mac_bw_to_mac80211_bw(u8 bw)348 u8 ath11k_mac_bw_to_mac80211_bw(u8 bw)
349 {
350 u8 ret = 0;
351
352 switch (bw) {
353 case ATH11K_BW_20:
354 ret = RATE_INFO_BW_20;
355 break;
356 case ATH11K_BW_40:
357 ret = RATE_INFO_BW_40;
358 break;
359 case ATH11K_BW_80:
360 ret = RATE_INFO_BW_80;
361 break;
362 case ATH11K_BW_160:
363 ret = RATE_INFO_BW_160;
364 break;
365 }
366
367 return ret;
368 }
369
ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw)370 enum ath11k_supported_bw ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw)
371 {
372 switch (bw) {
373 case RATE_INFO_BW_20:
374 return ATH11K_BW_20;
375 case RATE_INFO_BW_40:
376 return ATH11K_BW_40;
377 case RATE_INFO_BW_80:
378 return ATH11K_BW_80;
379 case RATE_INFO_BW_160:
380 return ATH11K_BW_160;
381 default:
382 return ATH11K_BW_20;
383 }
384 }
385
ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc,u8 preamble,u8 * rateidx,u16 * rate)386 int ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx,
387 u16 *rate)
388 {
389 /* As default, it is OFDM rates */
390 int i = ATH11K_MAC_FIRST_OFDM_RATE_IDX;
391 int max_rates_idx = ath11k_g_rates_size;
392
393 if (preamble == WMI_RATE_PREAMBLE_CCK) {
394 hw_rc &= ~ATH11k_HW_RATECODE_CCK_SHORT_PREAM_MASK;
395 i = 0;
396 max_rates_idx = ATH11K_MAC_FIRST_OFDM_RATE_IDX;
397 }
398
399 while (i < max_rates_idx) {
400 if (hw_rc == ath11k_legacy_rates[i].hw_value) {
401 *rateidx = i;
402 *rate = ath11k_legacy_rates[i].bitrate;
403 return 0;
404 }
405 i++;
406 }
407
408 return -EINVAL;
409 }
410
get_num_chains(u32 mask)411 static int get_num_chains(u32 mask)
412 {
413 int num_chains = 0;
414
415 while (mask) {
416 if (mask & BIT(0))
417 num_chains++;
418 mask >>= 1;
419 }
420
421 return num_chains;
422 }
423
ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band * sband,u32 bitrate)424 u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
425 u32 bitrate)
426 {
427 int i;
428
429 for (i = 0; i < sband->n_bitrates; i++)
430 if (sband->bitrates[i].bitrate == bitrate)
431 return i;
432
433 return 0;
434 }
435
436 static u32
ath11k_mac_max_ht_nss(const u8 * ht_mcs_mask)437 ath11k_mac_max_ht_nss(const u8 *ht_mcs_mask)
438 {
439 int nss;
440
441 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
442 if (ht_mcs_mask[nss])
443 return nss + 1;
444
445 return 1;
446 }
447
448 static u32
ath11k_mac_max_vht_nss(const u16 * vht_mcs_mask)449 ath11k_mac_max_vht_nss(const u16 *vht_mcs_mask)
450 {
451 int nss;
452
453 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
454 if (vht_mcs_mask[nss])
455 return nss + 1;
456
457 return 1;
458 }
459
460 static u32
ath11k_mac_max_he_nss(const u16 * he_mcs_mask)461 ath11k_mac_max_he_nss(const u16 *he_mcs_mask)
462 {
463 int nss;
464
465 for (nss = NL80211_HE_NSS_MAX - 1; nss >= 0; nss--)
466 if (he_mcs_mask[nss])
467 return nss + 1;
468
469 return 1;
470 }
471
ath11k_parse_mpdudensity(u8 mpdudensity)472 static u8 ath11k_parse_mpdudensity(u8 mpdudensity)
473 {
474 /* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
475 * 0 for no restriction
476 * 1 for 1/4 us
477 * 2 for 1/2 us
478 * 3 for 1 us
479 * 4 for 2 us
480 * 5 for 4 us
481 * 6 for 8 us
482 * 7 for 16 us
483 */
484 switch (mpdudensity) {
485 case 0:
486 return 0;
487 case 1:
488 case 2:
489 case 3:
490 /* Our lower layer calculations limit our precision to
491 * 1 microsecond
492 */
493 return 1;
494 case 4:
495 return 2;
496 case 5:
497 return 4;
498 case 6:
499 return 8;
500 case 7:
501 return 16;
502 default:
503 return 0;
504 }
505 }
506
ath11k_mac_vif_chan(struct ieee80211_vif * vif,struct cfg80211_chan_def * def)507 static int ath11k_mac_vif_chan(struct ieee80211_vif *vif,
508 struct cfg80211_chan_def *def)
509 {
510 struct ieee80211_chanctx_conf *conf;
511
512 rcu_read_lock();
513 conf = rcu_dereference(vif->bss_conf.chanctx_conf);
514 if (!conf) {
515 rcu_read_unlock();
516 return -ENOENT;
517 }
518
519 *def = conf->def;
520 rcu_read_unlock();
521
522 return 0;
523 }
524
ath11k_mac_bitrate_is_cck(int bitrate)525 static bool ath11k_mac_bitrate_is_cck(int bitrate)
526 {
527 switch (bitrate) {
528 case 10:
529 case 20:
530 case 55:
531 case 110:
532 return true;
533 }
534
535 return false;
536 }
537
ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band * sband,u8 hw_rate,bool cck)538 u8 ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
539 u8 hw_rate, bool cck)
540 {
541 const struct ieee80211_rate *rate;
542 int i;
543
544 for (i = 0; i < sband->n_bitrates; i++) {
545 rate = &sband->bitrates[i];
546
547 if (ath11k_mac_bitrate_is_cck(rate->bitrate) != cck)
548 continue;
549
550 if (rate->hw_value == hw_rate)
551 return i;
552 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
553 rate->hw_value_short == hw_rate)
554 return i;
555 }
556
557 return 0;
558 }
559
ath11k_mac_bitrate_to_rate(int bitrate)560 static u8 ath11k_mac_bitrate_to_rate(int bitrate)
561 {
562 return DIV_ROUND_UP(bitrate, 5) |
563 (ath11k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
564 }
565
ath11k_get_arvif_iter(void * data,u8 * mac,struct ieee80211_vif * vif)566 static void ath11k_get_arvif_iter(void *data, u8 *mac,
567 struct ieee80211_vif *vif)
568 {
569 struct ath11k_vif_iter *arvif_iter = data;
570 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
571
572 if (arvif->vdev_id == arvif_iter->vdev_id)
573 arvif_iter->arvif = arvif;
574 }
575
ath11k_mac_get_arvif(struct ath11k * ar,u32 vdev_id)576 struct ath11k_vif *ath11k_mac_get_arvif(struct ath11k *ar, u32 vdev_id)
577 {
578 struct ath11k_vif_iter arvif_iter;
579 u32 flags;
580
581 memset(&arvif_iter, 0, sizeof(struct ath11k_vif_iter));
582 arvif_iter.vdev_id = vdev_id;
583
584 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
585 ieee80211_iterate_active_interfaces_atomic(ar->hw,
586 flags,
587 ath11k_get_arvif_iter,
588 &arvif_iter);
589 if (!arvif_iter.arvif) {
590 ath11k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id);
591 return NULL;
592 }
593
594 return arvif_iter.arvif;
595 }
596
ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base * ab,u32 vdev_id)597 struct ath11k_vif *ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base *ab,
598 u32 vdev_id)
599 {
600 int i;
601 struct ath11k_pdev *pdev;
602 struct ath11k_vif *arvif;
603
604 for (i = 0; i < ab->num_radios; i++) {
605 pdev = rcu_dereference(ab->pdevs_active[i]);
606 if (pdev && pdev->ar &&
607 (pdev->ar->allocated_vdev_map & (1LL << vdev_id))) {
608 arvif = ath11k_mac_get_arvif(pdev->ar, vdev_id);
609 if (arvif)
610 return arvif;
611 }
612 }
613
614 return NULL;
615 }
616
ath11k_mac_get_ar_by_vdev_id(struct ath11k_base * ab,u32 vdev_id)617 struct ath11k *ath11k_mac_get_ar_by_vdev_id(struct ath11k_base *ab, u32 vdev_id)
618 {
619 int i;
620 struct ath11k_pdev *pdev;
621
622 for (i = 0; i < ab->num_radios; i++) {
623 pdev = rcu_dereference(ab->pdevs_active[i]);
624 if (pdev && pdev->ar) {
625 if (pdev->ar->allocated_vdev_map & (1LL << vdev_id))
626 return pdev->ar;
627 }
628 }
629
630 return NULL;
631 }
632
ath11k_mac_get_ar_by_pdev_id(struct ath11k_base * ab,u32 pdev_id)633 struct ath11k *ath11k_mac_get_ar_by_pdev_id(struct ath11k_base *ab, u32 pdev_id)
634 {
635 int i;
636 struct ath11k_pdev *pdev;
637
638 if (ab->hw_params.single_pdev_only) {
639 pdev = rcu_dereference(ab->pdevs_active[0]);
640 return pdev ? pdev->ar : NULL;
641 }
642
643 if (WARN_ON(pdev_id > ab->num_radios))
644 return NULL;
645
646 for (i = 0; i < ab->num_radios; i++) {
647 if (ab->fw_mode == ATH11K_FIRMWARE_MODE_FTM)
648 pdev = &ab->pdevs[i];
649 else
650 pdev = rcu_dereference(ab->pdevs_active[i]);
651
652 if (pdev && pdev->pdev_id == pdev_id)
653 return (pdev->ar ? pdev->ar : NULL);
654 }
655
656 return NULL;
657 }
658
ath11k_mac_get_vif_up(struct ath11k_base * ab)659 struct ath11k_vif *ath11k_mac_get_vif_up(struct ath11k_base *ab)
660 {
661 struct ath11k *ar;
662 struct ath11k_pdev *pdev;
663 struct ath11k_vif *arvif;
664 int i;
665
666 for (i = 0; i < ab->num_radios; i++) {
667 pdev = &ab->pdevs[i];
668 ar = pdev->ar;
669 list_for_each_entry(arvif, &ar->arvifs, list) {
670 if (arvif->is_up)
671 return arvif;
672 }
673 }
674
675 return NULL;
676 }
677
ath11k_mac_band_match(enum nl80211_band band1,enum WMI_HOST_WLAN_BAND band2)678 static bool ath11k_mac_band_match(enum nl80211_band band1, enum WMI_HOST_WLAN_BAND band2)
679 {
680 return (((band1 == NL80211_BAND_2GHZ) && (band2 & WMI_HOST_WLAN_2G_CAP)) ||
681 (((band1 == NL80211_BAND_5GHZ) || (band1 == NL80211_BAND_6GHZ)) &&
682 (band2 & WMI_HOST_WLAN_5G_CAP)));
683 }
684
ath11k_mac_get_target_pdev_id_from_vif(struct ath11k_vif * arvif)685 u8 ath11k_mac_get_target_pdev_id_from_vif(struct ath11k_vif *arvif)
686 {
687 struct ath11k *ar = arvif->ar;
688 struct ath11k_base *ab = ar->ab;
689 struct ieee80211_vif *vif = arvif->vif;
690 struct cfg80211_chan_def def;
691 enum nl80211_band band;
692 u8 pdev_id = ab->target_pdev_ids[0].pdev_id;
693 int i;
694
695 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
696 return pdev_id;
697
698 band = def.chan->band;
699
700 for (i = 0; i < ab->target_pdev_count; i++) {
701 if (ath11k_mac_band_match(band, ab->target_pdev_ids[i].supported_bands))
702 return ab->target_pdev_ids[i].pdev_id;
703 }
704
705 return pdev_id;
706 }
707
ath11k_mac_get_target_pdev_id(struct ath11k * ar)708 u8 ath11k_mac_get_target_pdev_id(struct ath11k *ar)
709 {
710 struct ath11k_vif *arvif;
711
712 arvif = ath11k_mac_get_vif_up(ar->ab);
713
714 if (arvif)
715 return ath11k_mac_get_target_pdev_id_from_vif(arvif);
716 else
717 return ar->ab->target_pdev_ids[0].pdev_id;
718 }
719
ath11k_pdev_caps_update(struct ath11k * ar)720 static void ath11k_pdev_caps_update(struct ath11k *ar)
721 {
722 struct ath11k_base *ab = ar->ab;
723
724 ar->max_tx_power = ab->target_caps.hw_max_tx_power;
725
726 /* FIXME Set min_tx_power to ab->target_caps.hw_min_tx_power.
727 * But since the received value in svcrdy is same as hw_max_tx_power,
728 * we can set ar->min_tx_power to 0 currently until
729 * this is fixed in firmware
730 */
731 ar->min_tx_power = 0;
732
733 ar->txpower_limit_2g = ar->max_tx_power;
734 ar->txpower_limit_5g = ar->max_tx_power;
735 ar->txpower_scale = WMI_HOST_TP_SCALE_MAX;
736 }
737
ath11k_mac_txpower_recalc(struct ath11k * ar)738 static int ath11k_mac_txpower_recalc(struct ath11k *ar)
739 {
740 struct ath11k_pdev *pdev = ar->pdev;
741 struct ath11k_vif *arvif;
742 int ret, txpower = -1;
743 u32 param;
744
745 lockdep_assert_held(&ar->conf_mutex);
746
747 list_for_each_entry(arvif, &ar->arvifs, list) {
748 if (arvif->txpower <= 0)
749 continue;
750
751 if (txpower == -1)
752 txpower = arvif->txpower;
753 else
754 txpower = min(txpower, arvif->txpower);
755 }
756
757 if (txpower == -1)
758 return 0;
759
760 /* txpwr is set as 2 units per dBm in FW*/
761 txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower),
762 ar->max_tx_power) * 2;
763
764 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower to set in hw %d\n",
765 txpower / 2);
766
767 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) &&
768 ar->txpower_limit_2g != txpower) {
769 param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G;
770 ret = ath11k_wmi_pdev_set_param(ar, param,
771 txpower, ar->pdev->pdev_id);
772 if (ret)
773 goto fail;
774 ar->txpower_limit_2g = txpower;
775 }
776
777 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) &&
778 ar->txpower_limit_5g != txpower) {
779 param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G;
780 ret = ath11k_wmi_pdev_set_param(ar, param,
781 txpower, ar->pdev->pdev_id);
782 if (ret)
783 goto fail;
784 ar->txpower_limit_5g = txpower;
785 }
786
787 return 0;
788
789 fail:
790 ath11k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n",
791 txpower / 2, param, ret);
792 return ret;
793 }
794
ath11k_recalc_rtscts_prot(struct ath11k_vif * arvif)795 static int ath11k_recalc_rtscts_prot(struct ath11k_vif *arvif)
796 {
797 struct ath11k *ar = arvif->ar;
798 u32 vdev_param, rts_cts = 0;
799 int ret;
800
801 lockdep_assert_held(&ar->conf_mutex);
802
803 vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS;
804
805 /* Enable RTS/CTS protection for sw retries (when legacy stations
806 * are in BSS) or by default only for second rate series.
807 * TODO: Check if we need to enable CTS 2 Self in any case
808 */
809 rts_cts = WMI_USE_RTS_CTS;
810
811 if (arvif->num_legacy_stations > 0)
812 rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4;
813 else
814 rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4;
815
816 /* Need not send duplicate param value to firmware */
817 if (arvif->rtscts_prot_mode == rts_cts)
818 return 0;
819
820 arvif->rtscts_prot_mode = rts_cts;
821
822 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d recalc rts/cts prot %d\n",
823 arvif->vdev_id, rts_cts);
824
825 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
826 vdev_param, rts_cts);
827 if (ret)
828 ath11k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n",
829 arvif->vdev_id, ret);
830
831 return ret;
832 }
833
ath11k_mac_set_kickout(struct ath11k_vif * arvif)834 static int ath11k_mac_set_kickout(struct ath11k_vif *arvif)
835 {
836 struct ath11k *ar = arvif->ar;
837 u32 param;
838 int ret;
839
840 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH,
841 ATH11K_KICKOUT_THRESHOLD,
842 ar->pdev->pdev_id);
843 if (ret) {
844 ath11k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n",
845 arvif->vdev_id, ret);
846 return ret;
847 }
848
849 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS;
850 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
851 ATH11K_KEEPALIVE_MIN_IDLE);
852 if (ret) {
853 ath11k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n",
854 arvif->vdev_id, ret);
855 return ret;
856 }
857
858 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS;
859 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
860 ATH11K_KEEPALIVE_MAX_IDLE);
861 if (ret) {
862 ath11k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n",
863 arvif->vdev_id, ret);
864 return ret;
865 }
866
867 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS;
868 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
869 ATH11K_KEEPALIVE_MAX_UNRESPONSIVE);
870 if (ret) {
871 ath11k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
872 arvif->vdev_id, ret);
873 return ret;
874 }
875
876 return 0;
877 }
878
ath11k_mac_peer_cleanup_all(struct ath11k * ar)879 void ath11k_mac_peer_cleanup_all(struct ath11k *ar)
880 {
881 struct ath11k_peer *peer, *tmp;
882 struct ath11k_base *ab = ar->ab;
883
884 lockdep_assert_held(&ar->conf_mutex);
885
886 mutex_lock(&ab->tbl_mtx_lock);
887 spin_lock_bh(&ab->base_lock);
888 list_for_each_entry_safe(peer, tmp, &ab->peers, list) {
889 ath11k_peer_rx_tid_cleanup(ar, peer);
890 ath11k_peer_rhash_delete(ab, peer);
891 list_del(&peer->list);
892 kfree(peer);
893 }
894 spin_unlock_bh(&ab->base_lock);
895 mutex_unlock(&ab->tbl_mtx_lock);
896
897 ar->num_peers = 0;
898 ar->num_stations = 0;
899 }
900
ath11k_mac_vdev_setup_sync(struct ath11k * ar)901 static inline int ath11k_mac_vdev_setup_sync(struct ath11k *ar)
902 {
903 lockdep_assert_held(&ar->conf_mutex);
904
905 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
906 return -ESHUTDOWN;
907
908 if (!wait_for_completion_timeout(&ar->vdev_setup_done,
909 ATH11K_VDEV_SETUP_TIMEOUT_HZ))
910 return -ETIMEDOUT;
911
912 return ar->last_wmi_vdev_start_status ? -EINVAL : 0;
913 }
914
915 static void
ath11k_mac_get_any_chandef_iter(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * conf,void * data)916 ath11k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
917 struct ieee80211_chanctx_conf *conf,
918 void *data)
919 {
920 struct cfg80211_chan_def **def = data;
921
922 *def = &conf->def;
923 }
924
ath11k_mac_monitor_vdev_start(struct ath11k * ar,int vdev_id,struct cfg80211_chan_def * chandef)925 static int ath11k_mac_monitor_vdev_start(struct ath11k *ar, int vdev_id,
926 struct cfg80211_chan_def *chandef)
927 {
928 struct ieee80211_channel *channel;
929 struct wmi_vdev_start_req_arg arg = {};
930 int ret;
931
932 lockdep_assert_held(&ar->conf_mutex);
933
934 channel = chandef->chan;
935
936 arg.vdev_id = vdev_id;
937 arg.channel.freq = channel->center_freq;
938 arg.channel.band_center_freq1 = chandef->center_freq1;
939 arg.channel.band_center_freq2 = chandef->center_freq2;
940
941 arg.channel.mode = ath11k_phymodes[chandef->chan->band][chandef->width];
942 arg.channel.chan_radar = !!(channel->flags & IEEE80211_CHAN_RADAR);
943
944 arg.channel.min_power = 0;
945 arg.channel.max_power = channel->max_power;
946 arg.channel.max_reg_power = channel->max_reg_power;
947 arg.channel.max_antenna_gain = channel->max_antenna_gain;
948
949 arg.pref_tx_streams = ar->num_tx_chains;
950 arg.pref_rx_streams = ar->num_rx_chains;
951
952 arg.channel.passive = !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);
953
954 reinit_completion(&ar->vdev_setup_done);
955 reinit_completion(&ar->vdev_delete_done);
956
957 ret = ath11k_wmi_vdev_start(ar, &arg, false);
958 if (ret) {
959 ath11k_warn(ar->ab, "failed to request monitor vdev %i start: %d\n",
960 vdev_id, ret);
961 return ret;
962 }
963
964 ret = ath11k_mac_vdev_setup_sync(ar);
965 if (ret) {
966 ath11k_warn(ar->ab, "failed to synchronize setup for monitor vdev %i start: %d\n",
967 vdev_id, ret);
968 return ret;
969 }
970
971 ret = ath11k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr, NULL, 0, 0);
972 if (ret) {
973 ath11k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n",
974 vdev_id, ret);
975 goto vdev_stop;
976 }
977
978 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %i started\n",
979 vdev_id);
980
981 return 0;
982
983 vdev_stop:
984 reinit_completion(&ar->vdev_setup_done);
985
986 ret = ath11k_wmi_vdev_stop(ar, vdev_id);
987 if (ret) {
988 ath11k_warn(ar->ab, "failed to stop monitor vdev %i after start failure: %d\n",
989 vdev_id, ret);
990 return ret;
991 }
992
993 ret = ath11k_mac_vdev_setup_sync(ar);
994 if (ret) {
995 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i stop: %d\n",
996 vdev_id, ret);
997 return ret;
998 }
999
1000 return -EIO;
1001 }
1002
ath11k_mac_monitor_vdev_stop(struct ath11k * ar)1003 static int ath11k_mac_monitor_vdev_stop(struct ath11k *ar)
1004 {
1005 int ret;
1006
1007 lockdep_assert_held(&ar->conf_mutex);
1008
1009 reinit_completion(&ar->vdev_setup_done);
1010
1011 ret = ath11k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
1012 if (ret) {
1013 ath11k_warn(ar->ab, "failed to request monitor vdev %i stop: %d\n",
1014 ar->monitor_vdev_id, ret);
1015 return ret;
1016 }
1017
1018 ret = ath11k_mac_vdev_setup_sync(ar);
1019 if (ret) {
1020 ath11k_warn(ar->ab, "failed to synchronize monitor vdev %i stop: %d\n",
1021 ar->monitor_vdev_id, ret);
1022 return ret;
1023 }
1024
1025 ret = ath11k_wmi_vdev_down(ar, ar->monitor_vdev_id);
1026 if (ret) {
1027 ath11k_warn(ar->ab, "failed to put down monitor vdev %i: %d\n",
1028 ar->monitor_vdev_id, ret);
1029 return ret;
1030 }
1031
1032 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %i stopped\n",
1033 ar->monitor_vdev_id);
1034
1035 return 0;
1036 }
1037
ath11k_mac_monitor_vdev_create(struct ath11k * ar)1038 static int ath11k_mac_monitor_vdev_create(struct ath11k *ar)
1039 {
1040 struct ath11k_pdev *pdev = ar->pdev;
1041 struct vdev_create_params param = {};
1042 int bit, ret;
1043 u8 tmp_addr[6] = {0};
1044 u16 nss;
1045
1046 lockdep_assert_held(&ar->conf_mutex);
1047
1048 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags))
1049 return 0;
1050
1051 if (ar->ab->free_vdev_map == 0) {
1052 ath11k_warn(ar->ab, "failed to find free vdev id for monitor vdev\n");
1053 return -ENOMEM;
1054 }
1055
1056 bit = __ffs64(ar->ab->free_vdev_map);
1057
1058 ar->monitor_vdev_id = bit;
1059
1060 param.if_id = ar->monitor_vdev_id;
1061 param.type = WMI_VDEV_TYPE_MONITOR;
1062 param.subtype = WMI_VDEV_SUBTYPE_NONE;
1063 param.pdev_id = pdev->pdev_id;
1064
1065 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {
1066 param.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;
1067 param.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;
1068 }
1069 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {
1070 param.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
1071 param.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
1072 }
1073
1074 ret = ath11k_wmi_vdev_create(ar, tmp_addr, ¶m);
1075 if (ret) {
1076 ath11k_warn(ar->ab, "failed to request monitor vdev %i creation: %d\n",
1077 ar->monitor_vdev_id, ret);
1078 ar->monitor_vdev_id = -1;
1079 return ret;
1080 }
1081
1082 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;
1083 ret = ath11k_wmi_vdev_set_param_cmd(ar, ar->monitor_vdev_id,
1084 WMI_VDEV_PARAM_NSS, nss);
1085 if (ret) {
1086 ath11k_warn(ar->ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",
1087 ar->monitor_vdev_id, ar->cfg_tx_chainmask, nss, ret);
1088 goto err_vdev_del;
1089 }
1090
1091 ret = ath11k_mac_txpower_recalc(ar);
1092 if (ret) {
1093 ath11k_warn(ar->ab, "failed to recalc txpower for monitor vdev %d: %d\n",
1094 ar->monitor_vdev_id, ret);
1095 goto err_vdev_del;
1096 }
1097
1098 ar->allocated_vdev_map |= 1LL << ar->monitor_vdev_id;
1099 ar->ab->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
1100 ar->num_created_vdevs++;
1101 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);
1102
1103 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %d created\n",
1104 ar->monitor_vdev_id);
1105
1106 return 0;
1107
1108 err_vdev_del:
1109 ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
1110 ar->monitor_vdev_id = -1;
1111 return ret;
1112 }
1113
ath11k_mac_monitor_vdev_delete(struct ath11k * ar)1114 static int ath11k_mac_monitor_vdev_delete(struct ath11k *ar)
1115 {
1116 int ret;
1117 unsigned long time_left;
1118
1119 lockdep_assert_held(&ar->conf_mutex);
1120
1121 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags))
1122 return 0;
1123
1124 reinit_completion(&ar->vdev_delete_done);
1125
1126 ret = ath11k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
1127 if (ret) {
1128 ath11k_warn(ar->ab, "failed to request wmi monitor vdev %i removal: %d\n",
1129 ar->monitor_vdev_id, ret);
1130 return ret;
1131 }
1132
1133 time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
1134 ATH11K_VDEV_DELETE_TIMEOUT_HZ);
1135 if (time_left == 0) {
1136 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n");
1137 } else {
1138 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor vdev %d deleted\n",
1139 ar->monitor_vdev_id);
1140
1141 ar->allocated_vdev_map &= ~(1LL << ar->monitor_vdev_id);
1142 ar->ab->free_vdev_map |= 1LL << (ar->monitor_vdev_id);
1143 ar->num_created_vdevs--;
1144 ar->monitor_vdev_id = -1;
1145 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);
1146 }
1147
1148 return ret;
1149 }
1150
ath11k_mac_monitor_start(struct ath11k * ar)1151 static int ath11k_mac_monitor_start(struct ath11k *ar)
1152 {
1153 struct cfg80211_chan_def *chandef = NULL;
1154 int ret;
1155
1156 lockdep_assert_held(&ar->conf_mutex);
1157
1158 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags))
1159 return 0;
1160
1161 ieee80211_iter_chan_contexts_atomic(ar->hw,
1162 ath11k_mac_get_any_chandef_iter,
1163 &chandef);
1164 if (!chandef)
1165 return 0;
1166
1167 ret = ath11k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, chandef);
1168 if (ret) {
1169 ath11k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret);
1170 ath11k_mac_monitor_vdev_delete(ar);
1171 return ret;
1172 }
1173
1174 set_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);
1175
1176 ar->num_started_vdevs++;
1177 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, false);
1178 if (ret) {
1179 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during start: %d",
1180 ret);
1181 return ret;
1182 }
1183
1184 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor started\n");
1185
1186 return 0;
1187 }
1188
ath11k_mac_monitor_stop(struct ath11k * ar)1189 static int ath11k_mac_monitor_stop(struct ath11k *ar)
1190 {
1191 int ret;
1192
1193 lockdep_assert_held(&ar->conf_mutex);
1194
1195 if (!test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags))
1196 return 0;
1197
1198 ret = ath11k_mac_monitor_vdev_stop(ar);
1199 if (ret) {
1200 ath11k_warn(ar->ab, "failed to stop monitor vdev: %d\n", ret);
1201 return ret;
1202 }
1203
1204 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);
1205 ar->num_started_vdevs--;
1206
1207 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, true);
1208 if (ret) {
1209 ath11k_warn(ar->ab, "failed to configure htt monitor mode ring during stop: %d",
1210 ret);
1211 return ret;
1212 }
1213
1214 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "monitor stopped ret %d\n", ret);
1215
1216 return 0;
1217 }
1218
ath11k_mac_vif_setup_ps(struct ath11k_vif * arvif)1219 static int ath11k_mac_vif_setup_ps(struct ath11k_vif *arvif)
1220 {
1221 struct ath11k *ar = arvif->ar;
1222 struct ieee80211_vif *vif = arvif->vif;
1223 struct ieee80211_conf *conf = &ar->hw->conf;
1224 enum wmi_sta_powersave_param param;
1225 enum wmi_sta_ps_mode psmode;
1226 int ret;
1227 int timeout;
1228 bool enable_ps;
1229
1230 lockdep_assert_held(&arvif->ar->conf_mutex);
1231
1232 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1233 return 0;
1234
1235 enable_ps = arvif->ps;
1236
1237 if (!arvif->is_started) {
1238 /* mac80211 can update vif powersave state while disconnected.
1239 * Firmware doesn't behave nicely and consumes more power than
1240 * necessary if PS is disabled on a non-started vdev. Hence
1241 * force-enable PS for non-running vdevs.
1242 */
1243 psmode = WMI_STA_PS_MODE_ENABLED;
1244 } else if (enable_ps) {
1245 psmode = WMI_STA_PS_MODE_ENABLED;
1246 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1247
1248 timeout = conf->dynamic_ps_timeout;
1249 if (timeout == 0) {
1250 /* firmware doesn't like 0 */
1251 timeout = ieee80211_tu_to_usec(vif->bss_conf.beacon_int) / 1000;
1252 }
1253
1254 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1255 timeout);
1256 if (ret) {
1257 ath11k_warn(ar->ab, "failed to set inactivity time for vdev %d: %i\n",
1258 arvif->vdev_id, ret);
1259 return ret;
1260 }
1261 } else {
1262 psmode = WMI_STA_PS_MODE_DISABLED;
1263 }
1264
1265 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d psmode %s\n",
1266 arvif->vdev_id, psmode ? "enable" : "disable");
1267
1268 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, psmode);
1269 if (ret) {
1270 ath11k_warn(ar->ab, "failed to set sta power save mode %d for vdev %d: %d\n",
1271 psmode, arvif->vdev_id, ret);
1272 return ret;
1273 }
1274
1275 return 0;
1276 }
1277
ath11k_mac_config_ps(struct ath11k * ar)1278 static int ath11k_mac_config_ps(struct ath11k *ar)
1279 {
1280 struct ath11k_vif *arvif;
1281 int ret = 0;
1282
1283 lockdep_assert_held(&ar->conf_mutex);
1284
1285 list_for_each_entry(arvif, &ar->arvifs, list) {
1286 ret = ath11k_mac_vif_setup_ps(arvif);
1287 if (ret) {
1288 ath11k_warn(ar->ab, "failed to setup powersave: %d\n", ret);
1289 break;
1290 }
1291 }
1292
1293 return ret;
1294 }
1295
ath11k_mac_op_config(struct ieee80211_hw * hw,u32 changed)1296 static int ath11k_mac_op_config(struct ieee80211_hw *hw, u32 changed)
1297 {
1298 struct ath11k *ar = hw->priv;
1299 struct ieee80211_conf *conf = &hw->conf;
1300 int ret = 0;
1301
1302 mutex_lock(&ar->conf_mutex);
1303
1304 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
1305 if (conf->flags & IEEE80211_CONF_MONITOR) {
1306 set_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags);
1307
1308 if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED,
1309 &ar->monitor_flags))
1310 goto out;
1311
1312 ret = ath11k_mac_monitor_vdev_create(ar);
1313 if (ret) {
1314 ath11k_warn(ar->ab, "failed to create monitor vdev: %d",
1315 ret);
1316 goto out;
1317 }
1318
1319 ret = ath11k_mac_monitor_start(ar);
1320 if (ret) {
1321 ath11k_warn(ar->ab, "failed to start monitor: %d",
1322 ret);
1323 goto err_mon_del;
1324 }
1325 } else {
1326 clear_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags);
1327
1328 if (!test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED,
1329 &ar->monitor_flags))
1330 goto out;
1331
1332 ret = ath11k_mac_monitor_stop(ar);
1333 if (ret) {
1334 ath11k_warn(ar->ab, "failed to stop monitor: %d",
1335 ret);
1336 goto out;
1337 }
1338
1339 ret = ath11k_mac_monitor_vdev_delete(ar);
1340 if (ret) {
1341 ath11k_warn(ar->ab, "failed to delete monitor vdev: %d",
1342 ret);
1343 goto out;
1344 }
1345 }
1346 }
1347
1348 out:
1349 mutex_unlock(&ar->conf_mutex);
1350 return ret;
1351
1352 err_mon_del:
1353 ath11k_mac_monitor_vdev_delete(ar);
1354 mutex_unlock(&ar->conf_mutex);
1355 return ret;
1356 }
1357
ath11k_mac_setup_nontx_vif_rsnie(struct ath11k_vif * arvif,bool tx_arvif_rsnie_present,const u8 * profile,u8 profile_len)1358 static void ath11k_mac_setup_nontx_vif_rsnie(struct ath11k_vif *arvif,
1359 bool tx_arvif_rsnie_present,
1360 const u8 *profile, u8 profile_len)
1361 {
1362 if (cfg80211_find_ie(WLAN_EID_RSN, profile, profile_len)) {
1363 arvif->rsnie_present = true;
1364 } else if (tx_arvif_rsnie_present) {
1365 int i;
1366 u8 nie_len;
1367 const u8 *nie = cfg80211_find_ext_ie(WLAN_EID_EXT_NON_INHERITANCE,
1368 profile, profile_len);
1369 if (!nie)
1370 return;
1371
1372 nie_len = nie[1];
1373 nie += 2;
1374 for (i = 0; i < nie_len; i++) {
1375 if (nie[i] == WLAN_EID_RSN) {
1376 arvif->rsnie_present = false;
1377 break;
1378 }
1379 }
1380 }
1381 }
1382
ath11k_mac_set_nontx_vif_params(struct ath11k_vif * tx_arvif,struct ath11k_vif * arvif,struct sk_buff * bcn)1383 static bool ath11k_mac_set_nontx_vif_params(struct ath11k_vif *tx_arvif,
1384 struct ath11k_vif *arvif,
1385 struct sk_buff *bcn)
1386 {
1387 struct ieee80211_mgmt *mgmt;
1388 const u8 *ies, *profile, *next_profile;
1389 int ies_len;
1390
1391 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);
1392 mgmt = (struct ieee80211_mgmt *)bcn->data;
1393 ies += sizeof(mgmt->u.beacon);
1394 ies_len = skb_tail_pointer(bcn) - ies;
1395
1396 ies = cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ies, ies_len);
1397 arvif->rsnie_present = tx_arvif->rsnie_present;
1398
1399 while (ies) {
1400 u8 mbssid_len;
1401
1402 ies_len -= (2 + ies[1]);
1403 mbssid_len = ies[1] - 1;
1404 profile = &ies[3];
1405
1406 while (mbssid_len) {
1407 u8 profile_len;
1408
1409 profile_len = profile[1];
1410 next_profile = profile + (2 + profile_len);
1411 mbssid_len -= (2 + profile_len);
1412
1413 profile += 2;
1414 profile_len -= (2 + profile[1]);
1415 profile += (2 + profile[1]); /* nontx capabilities */
1416 profile_len -= (2 + profile[1]);
1417 profile += (2 + profile[1]); /* SSID */
1418 if (profile[2] == arvif->vif->bss_conf.bssid_index) {
1419 profile_len -= 5;
1420 profile = profile + 5;
1421 ath11k_mac_setup_nontx_vif_rsnie(arvif,
1422 tx_arvif->rsnie_present,
1423 profile,
1424 profile_len);
1425 return true;
1426 }
1427 profile = next_profile;
1428 }
1429 ies = cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, profile,
1430 ies_len);
1431 }
1432
1433 return false;
1434 }
1435
ath11k_mac_set_vif_params(struct ath11k_vif * arvif,struct sk_buff * bcn)1436 static void ath11k_mac_set_vif_params(struct ath11k_vif *arvif,
1437 struct sk_buff *bcn)
1438 {
1439 struct ieee80211_mgmt *mgmt;
1440 u8 *ies;
1441
1442 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);
1443 mgmt = (struct ieee80211_mgmt *)bcn->data;
1444 ies += sizeof(mgmt->u.beacon);
1445
1446 if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies)))
1447 arvif->rsnie_present = true;
1448 else
1449 arvif->rsnie_present = false;
1450
1451 if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
1452 WLAN_OUI_TYPE_MICROSOFT_WPA,
1453 ies, (skb_tail_pointer(bcn) - ies)))
1454 arvif->wpaie_present = true;
1455 else
1456 arvif->wpaie_present = false;
1457 }
1458
ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif * arvif)1459 static int ath11k_mac_setup_bcn_tmpl_ema(struct ath11k_vif *arvif)
1460 {
1461 struct ath11k_vif *tx_arvif;
1462 struct ieee80211_ema_beacons *beacons;
1463 int ret = 0;
1464 bool nontx_vif_params_set = false;
1465 u32 params = 0;
1466 u8 i = 0;
1467
1468 tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);
1469
1470 beacons = ieee80211_beacon_get_template_ema_list(tx_arvif->ar->hw,
1471 tx_arvif->vif, 0);
1472 if (!beacons || !beacons->cnt) {
1473 ath11k_warn(arvif->ar->ab,
1474 "failed to get ema beacon templates from mac80211\n");
1475 return -EPERM;
1476 }
1477
1478 if (tx_arvif == arvif)
1479 ath11k_mac_set_vif_params(tx_arvif, beacons->bcn[0].skb);
1480 else
1481 arvif->wpaie_present = tx_arvif->wpaie_present;
1482
1483 for (i = 0; i < beacons->cnt; i++) {
1484 if (tx_arvif != arvif && !nontx_vif_params_set)
1485 nontx_vif_params_set =
1486 ath11k_mac_set_nontx_vif_params(tx_arvif, arvif,
1487 beacons->bcn[i].skb);
1488
1489 params = beacons->cnt;
1490 params |= (i << WMI_EMA_TMPL_IDX_SHIFT);
1491 params |= ((!i ? 1 : 0) << WMI_EMA_FIRST_TMPL_SHIFT);
1492 params |= ((i + 1 == beacons->cnt ? 1 : 0) << WMI_EMA_LAST_TMPL_SHIFT);
1493
1494 ret = ath11k_wmi_bcn_tmpl(tx_arvif->ar, tx_arvif->vdev_id,
1495 &beacons->bcn[i].offs,
1496 beacons->bcn[i].skb, params);
1497 if (ret) {
1498 ath11k_warn(tx_arvif->ar->ab,
1499 "failed to set ema beacon template id %i error %d\n",
1500 i, ret);
1501 break;
1502 }
1503 }
1504
1505 ieee80211_beacon_free_ema_list(beacons);
1506
1507 if (tx_arvif != arvif && !nontx_vif_params_set)
1508 return -EINVAL; /* Profile not found in the beacons */
1509
1510 return ret;
1511 }
1512
ath11k_mac_setup_bcn_tmpl_mbssid(struct ath11k_vif * arvif)1513 static int ath11k_mac_setup_bcn_tmpl_mbssid(struct ath11k_vif *arvif)
1514 {
1515 struct ath11k *ar = arvif->ar;
1516 struct ath11k_base *ab = ar->ab;
1517 struct ath11k_vif *tx_arvif = arvif;
1518 struct ieee80211_hw *hw = ar->hw;
1519 struct ieee80211_vif *vif = arvif->vif;
1520 struct ieee80211_mutable_offsets offs = {};
1521 struct sk_buff *bcn;
1522 int ret;
1523
1524 if (vif->mbssid_tx_vif) {
1525 tx_arvif = ath11k_vif_to_arvif(vif->mbssid_tx_vif);
1526 if (tx_arvif != arvif) {
1527 ar = tx_arvif->ar;
1528 ab = ar->ab;
1529 hw = ar->hw;
1530 vif = tx_arvif->vif;
1531 }
1532 }
1533
1534 bcn = ieee80211_beacon_get_template(hw, vif, &offs, 0);
1535 if (!bcn) {
1536 ath11k_warn(ab, "failed to get beacon template from mac80211\n");
1537 return -EPERM;
1538 }
1539
1540 if (tx_arvif == arvif)
1541 ath11k_mac_set_vif_params(tx_arvif, bcn);
1542 else if (!ath11k_mac_set_nontx_vif_params(tx_arvif, arvif, bcn))
1543 return -EINVAL;
1544
1545 ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn, 0);
1546 kfree_skb(bcn);
1547
1548 if (ret)
1549 ath11k_warn(ab, "failed to submit beacon template command: %d\n",
1550 ret);
1551
1552 return ret;
1553 }
1554
ath11k_mac_setup_bcn_tmpl(struct ath11k_vif * arvif)1555 static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif)
1556 {
1557 struct ieee80211_vif *vif = arvif->vif;
1558
1559 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1560 return 0;
1561
1562 /* Target does not expect beacon templates for the already up
1563 * non-transmitting interfaces, and results in a crash if sent.
1564 */
1565 if (vif->mbssid_tx_vif &&
1566 arvif != ath11k_vif_to_arvif(vif->mbssid_tx_vif) && arvif->is_up)
1567 return 0;
1568
1569 if (vif->bss_conf.ema_ap && vif->mbssid_tx_vif)
1570 return ath11k_mac_setup_bcn_tmpl_ema(arvif);
1571
1572 return ath11k_mac_setup_bcn_tmpl_mbssid(arvif);
1573 }
1574
ath11k_mac_bcn_tx_event(struct ath11k_vif * arvif)1575 void ath11k_mac_bcn_tx_event(struct ath11k_vif *arvif)
1576 {
1577 struct ieee80211_vif *vif = arvif->vif;
1578
1579 if (!vif->bss_conf.color_change_active && !arvif->bcca_zero_sent)
1580 return;
1581
1582 if (vif->bss_conf.color_change_active &&
1583 ieee80211_beacon_cntdwn_is_complete(vif)) {
1584 arvif->bcca_zero_sent = true;
1585 ieee80211_color_change_finish(vif);
1586 return;
1587 }
1588
1589 arvif->bcca_zero_sent = false;
1590
1591 if (vif->bss_conf.color_change_active)
1592 ieee80211_beacon_update_cntdwn(vif);
1593 ath11k_mac_setup_bcn_tmpl(arvif);
1594 }
1595
ath11k_control_beaconing(struct ath11k_vif * arvif,struct ieee80211_bss_conf * info)1596 static void ath11k_control_beaconing(struct ath11k_vif *arvif,
1597 struct ieee80211_bss_conf *info)
1598 {
1599 struct ath11k *ar = arvif->ar;
1600 struct ath11k_vif *tx_arvif = NULL;
1601 int ret = 0;
1602
1603 lockdep_assert_held(&arvif->ar->conf_mutex);
1604
1605 if (!info->enable_beacon) {
1606 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);
1607 if (ret)
1608 ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n",
1609 arvif->vdev_id, ret);
1610
1611 arvif->is_up = false;
1612 return;
1613 }
1614
1615 /* Install the beacon template to the FW */
1616 ret = ath11k_mac_setup_bcn_tmpl(arvif);
1617 if (ret) {
1618 ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n",
1619 ret);
1620 return;
1621 }
1622
1623 arvif->tx_seq_no = 0x1000;
1624
1625 arvif->aid = 0;
1626
1627 ether_addr_copy(arvif->bssid, info->bssid);
1628
1629 if (arvif->vif->mbssid_tx_vif)
1630 tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);
1631
1632 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1633 arvif->bssid,
1634 tx_arvif ? tx_arvif->bssid : NULL,
1635 info->bssid_index,
1636 1 << info->bssid_indicator);
1637 if (ret) {
1638 ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n",
1639 arvif->vdev_id, ret);
1640 return;
1641 }
1642
1643 arvif->is_up = true;
1644
1645 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %d up\n", arvif->vdev_id);
1646 }
1647
ath11k_mac_handle_beacon_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1648 static void ath11k_mac_handle_beacon_iter(void *data, u8 *mac,
1649 struct ieee80211_vif *vif)
1650 {
1651 struct sk_buff *skb = data;
1652 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1653 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1654
1655 if (vif->type != NL80211_IFTYPE_STATION)
1656 return;
1657
1658 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1659 return;
1660
1661 cancel_delayed_work(&arvif->connection_loss_work);
1662 }
1663
ath11k_mac_handle_beacon(struct ath11k * ar,struct sk_buff * skb)1664 void ath11k_mac_handle_beacon(struct ath11k *ar, struct sk_buff *skb)
1665 {
1666 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1667 IEEE80211_IFACE_ITER_NORMAL,
1668 ath11k_mac_handle_beacon_iter,
1669 skb);
1670 }
1671
ath11k_mac_handle_beacon_miss_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1672 static void ath11k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1673 struct ieee80211_vif *vif)
1674 {
1675 u32 *vdev_id = data;
1676 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1677 struct ath11k *ar = arvif->ar;
1678 struct ieee80211_hw *hw = ar->hw;
1679
1680 if (arvif->vdev_id != *vdev_id)
1681 return;
1682
1683 if (!arvif->is_up)
1684 return;
1685
1686 ieee80211_beacon_loss(vif);
1687
1688 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1689 * (done by mac80211) succeeds but beacons do not resume then it
1690 * doesn't make sense to continue operation. Queue connection loss work
1691 * which can be cancelled when beacon is received.
1692 */
1693 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1694 ATH11K_CONNECTION_LOSS_HZ);
1695 }
1696
ath11k_mac_handle_beacon_miss(struct ath11k * ar,u32 vdev_id)1697 void ath11k_mac_handle_beacon_miss(struct ath11k *ar, u32 vdev_id)
1698 {
1699 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1700 IEEE80211_IFACE_ITER_NORMAL,
1701 ath11k_mac_handle_beacon_miss_iter,
1702 &vdev_id);
1703 }
1704
ath11k_mac_vif_sta_connection_loss_work(struct work_struct * work)1705 static void ath11k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1706 {
1707 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif,
1708 connection_loss_work.work);
1709 struct ieee80211_vif *vif = arvif->vif;
1710
1711 if (!arvif->is_up)
1712 return;
1713
1714 ieee80211_connection_loss(vif);
1715 }
1716
ath11k_peer_assoc_h_basic(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1717 static void ath11k_peer_assoc_h_basic(struct ath11k *ar,
1718 struct ieee80211_vif *vif,
1719 struct ieee80211_sta *sta,
1720 struct peer_assoc_params *arg)
1721 {
1722 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1723 u32 aid;
1724
1725 lockdep_assert_held(&ar->conf_mutex);
1726
1727 if (vif->type == NL80211_IFTYPE_STATION)
1728 aid = vif->cfg.aid;
1729 else
1730 aid = sta->aid;
1731
1732 ether_addr_copy(arg->peer_mac, sta->addr);
1733 arg->vdev_id = arvif->vdev_id;
1734 arg->peer_associd = aid;
1735 arg->auth_flag = true;
1736 /* TODO: STA WAR in ath10k for listen interval required? */
1737 arg->peer_listen_intval = ar->hw->conf.listen_interval;
1738 arg->peer_nss = 1;
1739 arg->peer_caps = vif->bss_conf.assoc_capability;
1740 }
1741
ath11k_peer_assoc_h_crypto(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1742 static void ath11k_peer_assoc_h_crypto(struct ath11k *ar,
1743 struct ieee80211_vif *vif,
1744 struct ieee80211_sta *sta,
1745 struct peer_assoc_params *arg)
1746 {
1747 struct ieee80211_bss_conf *info = &vif->bss_conf;
1748 struct cfg80211_chan_def def;
1749 struct cfg80211_bss *bss;
1750 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1751 const u8 *rsnie = NULL;
1752 const u8 *wpaie = NULL;
1753
1754 lockdep_assert_held(&ar->conf_mutex);
1755
1756 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1757 return;
1758
1759 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
1760 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1761
1762 if (arvif->rsnie_present || arvif->wpaie_present) {
1763 arg->need_ptk_4_way = true;
1764 if (arvif->wpaie_present)
1765 arg->need_gtk_2_way = true;
1766 } else if (bss) {
1767 const struct cfg80211_bss_ies *ies;
1768
1769 rcu_read_lock();
1770 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
1771
1772 ies = rcu_dereference(bss->ies);
1773
1774 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
1775 WLAN_OUI_TYPE_MICROSOFT_WPA,
1776 ies->data,
1777 ies->len);
1778 rcu_read_unlock();
1779 cfg80211_put_bss(ar->hw->wiphy, bss);
1780 }
1781
1782 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
1783 if (rsnie || wpaie) {
1784 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
1785 "%s: rsn ie found\n", __func__);
1786 arg->need_ptk_4_way = true;
1787 }
1788
1789 if (wpaie) {
1790 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
1791 "%s: wpa ie found\n", __func__);
1792 arg->need_gtk_2_way = true;
1793 }
1794
1795 if (sta->mfp) {
1796 /* TODO: Need to check if FW supports PMF? */
1797 arg->is_pmf_enabled = true;
1798 }
1799
1800 /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */
1801 }
1802
ath11k_peer_assoc_h_rates(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1803 static void ath11k_peer_assoc_h_rates(struct ath11k *ar,
1804 struct ieee80211_vif *vif,
1805 struct ieee80211_sta *sta,
1806 struct peer_assoc_params *arg)
1807 {
1808 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1809 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
1810 struct cfg80211_chan_def def;
1811 const struct ieee80211_supported_band *sband;
1812 const struct ieee80211_rate *rates;
1813 enum nl80211_band band;
1814 u32 ratemask;
1815 u8 rate;
1816 int i;
1817
1818 lockdep_assert_held(&ar->conf_mutex);
1819
1820 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1821 return;
1822
1823 band = def.chan->band;
1824 sband = ar->hw->wiphy->bands[band];
1825 ratemask = sta->deflink.supp_rates[band];
1826 ratemask &= arvif->bitrate_mask.control[band].legacy;
1827 rates = sband->bitrates;
1828
1829 rateset->num_rates = 0;
1830
1831 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
1832 if (!(ratemask & 1))
1833 continue;
1834
1835 rate = ath11k_mac_bitrate_to_rate(rates->bitrate);
1836 rateset->rates[rateset->num_rates] = rate;
1837 rateset->num_rates++;
1838 }
1839 }
1840
1841 static bool
ath11k_peer_assoc_h_ht_masked(const u8 * ht_mcs_mask)1842 ath11k_peer_assoc_h_ht_masked(const u8 *ht_mcs_mask)
1843 {
1844 int nss;
1845
1846 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
1847 if (ht_mcs_mask[nss])
1848 return false;
1849
1850 return true;
1851 }
1852
1853 static bool
ath11k_peer_assoc_h_vht_masked(const u16 * vht_mcs_mask)1854 ath11k_peer_assoc_h_vht_masked(const u16 *vht_mcs_mask)
1855 {
1856 int nss;
1857
1858 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
1859 if (vht_mcs_mask[nss])
1860 return false;
1861
1862 return true;
1863 }
1864
ath11k_peer_assoc_h_ht(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1865 static void ath11k_peer_assoc_h_ht(struct ath11k *ar,
1866 struct ieee80211_vif *vif,
1867 struct ieee80211_sta *sta,
1868 struct peer_assoc_params *arg)
1869 {
1870 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
1871 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
1872 struct cfg80211_chan_def def;
1873 enum nl80211_band band;
1874 const u8 *ht_mcs_mask;
1875 int i, n;
1876 u8 max_nss;
1877 u32 stbc;
1878
1879 lockdep_assert_held(&ar->conf_mutex);
1880
1881 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1882 return;
1883
1884 if (!ht_cap->ht_supported)
1885 return;
1886
1887 band = def.chan->band;
1888 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
1889
1890 if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask))
1891 return;
1892
1893 arg->ht_flag = true;
1894
1895 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
1896 ht_cap->ampdu_factor)) - 1;
1897
1898 arg->peer_mpdu_density =
1899 ath11k_parse_mpdudensity(ht_cap->ampdu_density);
1900
1901 arg->peer_ht_caps = ht_cap->cap;
1902 arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG;
1903
1904 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
1905 arg->ldpc_flag = true;
1906
1907 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) {
1908 arg->bw_40 = true;
1909 arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG;
1910 }
1911
1912 /* As firmware handles this two flags (IEEE80211_HT_CAP_SGI_20
1913 * and IEEE80211_HT_CAP_SGI_40) for enabling SGI, we reset
1914 * both flags if guard interval is Default GI
1915 */
1916 if (arvif->bitrate_mask.control[band].gi == NL80211_TXRATE_DEFAULT_GI)
1917 arg->peer_ht_caps &= ~(IEEE80211_HT_CAP_SGI_20 |
1918 IEEE80211_HT_CAP_SGI_40);
1919
1920 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
1921 if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 |
1922 IEEE80211_HT_CAP_SGI_40))
1923 arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG;
1924 }
1925
1926 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
1927 arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG;
1928 arg->stbc_flag = true;
1929 }
1930
1931 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
1932 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
1933 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
1934 stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S;
1935 arg->peer_rate_caps |= stbc;
1936 arg->stbc_flag = true;
1937 }
1938
1939 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
1940 arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG;
1941 else if (ht_cap->mcs.rx_mask[1])
1942 arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG;
1943
1944 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
1945 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
1946 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
1947 max_nss = (i / 8) + 1;
1948 arg->peer_ht_rates.rates[n++] = i;
1949 }
1950
1951 /* This is a workaround for HT-enabled STAs which break the spec
1952 * and have no HT capabilities RX mask (no HT RX MCS map).
1953 *
1954 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
1955 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
1956 *
1957 * Firmware asserts if such situation occurs.
1958 */
1959 if (n == 0) {
1960 arg->peer_ht_rates.num_rates = 8;
1961 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
1962 arg->peer_ht_rates.rates[i] = i;
1963 } else {
1964 arg->peer_ht_rates.num_rates = n;
1965 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
1966 }
1967
1968 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "ht peer %pM mcs cnt %d nss %d\n",
1969 arg->peer_mac,
1970 arg->peer_ht_rates.num_rates,
1971 arg->peer_nss);
1972 }
1973
ath11k_mac_get_max_vht_mcs_map(u16 mcs_map,int nss)1974 static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
1975 {
1976 switch ((mcs_map >> (2 * nss)) & 0x3) {
1977 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
1978 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
1979 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
1980 }
1981 return 0;
1982 }
1983
1984 static u16
ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])1985 ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
1986 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
1987 {
1988 int idx_limit;
1989 int nss;
1990 u16 mcs_map;
1991 u16 mcs;
1992
1993 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
1994 mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
1995 vht_mcs_limit[nss];
1996
1997 if (mcs_map)
1998 idx_limit = fls(mcs_map) - 1;
1999 else
2000 idx_limit = -1;
2001
2002 switch (idx_limit) {
2003 case 0:
2004 case 1:
2005 case 2:
2006 case 3:
2007 case 4:
2008 case 5:
2009 case 6:
2010 case 7:
2011 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2012 break;
2013 case 8:
2014 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2015 break;
2016 case 9:
2017 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2018 break;
2019 default:
2020 WARN_ON(1);
2021 fallthrough;
2022 case -1:
2023 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2024 break;
2025 }
2026
2027 tx_mcs_set &= ~(0x3 << (nss * 2));
2028 tx_mcs_set |= mcs << (nss * 2);
2029 }
2030
2031 return tx_mcs_set;
2032 }
2033
ath11k_get_nss_160mhz(struct ath11k * ar,u8 max_nss)2034 static u8 ath11k_get_nss_160mhz(struct ath11k *ar,
2035 u8 max_nss)
2036 {
2037 u8 nss_ratio_info = ar->pdev->cap.nss_ratio_info;
2038 u8 max_sup_nss = 0;
2039
2040 switch (nss_ratio_info) {
2041 case WMI_NSS_RATIO_1BY2_NSS:
2042 max_sup_nss = max_nss >> 1;
2043 break;
2044 case WMI_NSS_RATIO_3BY4_NSS:
2045 ath11k_warn(ar->ab, "WMI_NSS_RATIO_3BY4_NSS not supported\n");
2046 break;
2047 case WMI_NSS_RATIO_1_NSS:
2048 max_sup_nss = max_nss;
2049 break;
2050 case WMI_NSS_RATIO_2_NSS:
2051 ath11k_warn(ar->ab, "WMI_NSS_RATIO_2_NSS not supported\n");
2052 break;
2053 default:
2054 ath11k_warn(ar->ab, "invalid nss ratio received from firmware: %d\n",
2055 nss_ratio_info);
2056 break;
2057 }
2058
2059 return max_sup_nss;
2060 }
2061
ath11k_peer_assoc_h_vht(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)2062 static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
2063 struct ieee80211_vif *vif,
2064 struct ieee80211_sta *sta,
2065 struct peer_assoc_params *arg)
2066 {
2067 const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap;
2068 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2069 struct cfg80211_chan_def def;
2070 enum nl80211_band band;
2071 u16 *vht_mcs_mask;
2072 u8 ampdu_factor;
2073 u8 max_nss, vht_mcs;
2074 int i, vht_nss, nss_idx;
2075 bool user_rate_valid = true;
2076 u32 rx_nss, tx_nss, nss_160;
2077
2078 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2079 return;
2080
2081 if (!vht_cap->vht_supported)
2082 return;
2083
2084 band = def.chan->band;
2085 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2086
2087 if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask))
2088 return;
2089
2090 arg->vht_flag = true;
2091
2092 /* TODO: similar flags required? */
2093 arg->vht_capable = true;
2094
2095 if (def.chan->band == NL80211_BAND_2GHZ)
2096 arg->vht_ng_flag = true;
2097
2098 arg->peer_vht_caps = vht_cap->cap;
2099
2100 ampdu_factor = (vht_cap->cap &
2101 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2102 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2103
2104 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2105 * zero in VHT IE. Using it would result in degraded throughput.
2106 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2107 * it if VHT max_mpdu is smaller.
2108 */
2109 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2110 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2111 ampdu_factor)) - 1);
2112
2113 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
2114 arg->bw_80 = true;
2115
2116 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)
2117 arg->bw_160 = true;
2118
2119 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask);
2120
2121 if (vht_nss > sta->deflink.rx_nss) {
2122 user_rate_valid = false;
2123 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) {
2124 if (vht_mcs_mask[nss_idx]) {
2125 user_rate_valid = true;
2126 break;
2127 }
2128 }
2129 }
2130
2131 if (!user_rate_valid) {
2132 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting vht range mcs value to peer supported nss %d for peer %pM\n",
2133 sta->deflink.rx_nss, sta->addr);
2134 vht_mcs_mask[sta->deflink.rx_nss - 1] = vht_mcs_mask[vht_nss - 1];
2135 }
2136
2137 /* Calculate peer NSS capability from VHT capabilities if STA
2138 * supports VHT.
2139 */
2140 for (i = 0, max_nss = 0; i < NL80211_VHT_NSS_MAX; i++) {
2141 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >>
2142 (2 * i) & 3;
2143
2144 if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED &&
2145 vht_mcs_mask[i])
2146 max_nss = i + 1;
2147 }
2148 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
2149 arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2150 arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2151 arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2152 arg->tx_mcs_set = ath11k_peer_assoc_h_vht_limit(
2153 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2154
2155 /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default.
2156 * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard.
2157 * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode.
2158 */
2159 arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;
2160 arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;
2161
2162 if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==
2163 IEEE80211_VHT_MCS_NOT_SUPPORTED)
2164 arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
2165
2166 /* TODO: Check */
2167 arg->tx_max_mcs_nss = 0xFF;
2168
2169 if (arg->peer_phymode == MODE_11AC_VHT160 ||
2170 arg->peer_phymode == MODE_11AC_VHT80_80) {
2171 tx_nss = ath11k_get_nss_160mhz(ar, max_nss);
2172 rx_nss = min(arg->peer_nss, tx_nss);
2173 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;
2174
2175 if (!rx_nss) {
2176 ath11k_warn(ar->ab, "invalid max_nss\n");
2177 return;
2178 }
2179
2180 if (arg->peer_phymode == MODE_11AC_VHT160)
2181 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);
2182 else
2183 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);
2184
2185 arg->peer_bw_rxnss_override |= nss_160;
2186 }
2187
2188 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2189 "vht peer %pM max_mpdu %d flags 0x%x nss_override 0x%x\n",
2190 sta->addr, arg->peer_max_mpdu, arg->peer_flags,
2191 arg->peer_bw_rxnss_override);
2192 }
2193
ath11k_mac_get_max_he_mcs_map(u16 mcs_map,int nss)2194 static int ath11k_mac_get_max_he_mcs_map(u16 mcs_map, int nss)
2195 {
2196 switch ((mcs_map >> (2 * nss)) & 0x3) {
2197 case IEEE80211_HE_MCS_SUPPORT_0_7: return BIT(8) - 1;
2198 case IEEE80211_HE_MCS_SUPPORT_0_9: return BIT(10) - 1;
2199 case IEEE80211_HE_MCS_SUPPORT_0_11: return BIT(12) - 1;
2200 }
2201 return 0;
2202 }
2203
ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,const u16 he_mcs_limit[NL80211_HE_NSS_MAX])2204 static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
2205 const u16 he_mcs_limit[NL80211_HE_NSS_MAX])
2206 {
2207 int idx_limit;
2208 int nss;
2209 u16 mcs_map;
2210 u16 mcs;
2211
2212 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
2213 mcs_map = ath11k_mac_get_max_he_mcs_map(tx_mcs_set, nss) &
2214 he_mcs_limit[nss];
2215
2216 if (mcs_map)
2217 idx_limit = fls(mcs_map) - 1;
2218 else
2219 idx_limit = -1;
2220
2221 switch (idx_limit) {
2222 case 0 ... 7:
2223 mcs = IEEE80211_HE_MCS_SUPPORT_0_7;
2224 break;
2225 case 8:
2226 case 9:
2227 mcs = IEEE80211_HE_MCS_SUPPORT_0_9;
2228 break;
2229 case 10:
2230 case 11:
2231 mcs = IEEE80211_HE_MCS_SUPPORT_0_11;
2232 break;
2233 default:
2234 WARN_ON(1);
2235 fallthrough;
2236 case -1:
2237 mcs = IEEE80211_HE_MCS_NOT_SUPPORTED;
2238 break;
2239 }
2240
2241 tx_mcs_set &= ~(0x3 << (nss * 2));
2242 tx_mcs_set |= mcs << (nss * 2);
2243 }
2244
2245 return tx_mcs_set;
2246 }
2247
2248 static bool
ath11k_peer_assoc_h_he_masked(const u16 * he_mcs_mask)2249 ath11k_peer_assoc_h_he_masked(const u16 *he_mcs_mask)
2250 {
2251 int nss;
2252
2253 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++)
2254 if (he_mcs_mask[nss])
2255 return false;
2256
2257 return true;
2258 }
2259
ath11k_peer_assoc_h_he(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)2260 static void ath11k_peer_assoc_h_he(struct ath11k *ar,
2261 struct ieee80211_vif *vif,
2262 struct ieee80211_sta *sta,
2263 struct peer_assoc_params *arg)
2264 {
2265 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2266 struct cfg80211_chan_def def;
2267 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
2268 enum nl80211_band band;
2269 u16 he_mcs_mask[NL80211_HE_NSS_MAX];
2270 u8 max_nss, he_mcs;
2271 u16 he_tx_mcs = 0, v = 0;
2272 int i, he_nss, nss_idx;
2273 bool user_rate_valid = true;
2274 u32 rx_nss, tx_nss, nss_160;
2275 u8 ampdu_factor, rx_mcs_80, rx_mcs_160;
2276 u16 mcs_160_map, mcs_80_map;
2277 bool support_160;
2278
2279 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2280 return;
2281
2282 if (!he_cap->has_he)
2283 return;
2284
2285 band = def.chan->band;
2286 memcpy(he_mcs_mask, arvif->bitrate_mask.control[band].he_mcs,
2287 sizeof(he_mcs_mask));
2288
2289 if (ath11k_peer_assoc_h_he_masked(he_mcs_mask))
2290 return;
2291
2292 arg->he_flag = true;
2293 support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] &
2294 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G);
2295
2296 /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */
2297 mcs_160_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
2298 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
2299
2300 if (support_160) {
2301 for (i = 7; i >= 0; i--) {
2302 u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3;
2303
2304 if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
2305 rx_mcs_160 = i + 1;
2306 break;
2307 }
2308 }
2309 }
2310
2311 for (i = 7; i >= 0; i--) {
2312 u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3;
2313
2314 if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
2315 rx_mcs_80 = i + 1;
2316 break;
2317 }
2318 }
2319
2320 if (support_160)
2321 max_nss = min(rx_mcs_80, rx_mcs_160);
2322 else
2323 max_nss = rx_mcs_80;
2324
2325 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
2326
2327 memcpy_and_pad(&arg->peer_he_cap_macinfo,
2328 sizeof(arg->peer_he_cap_macinfo),
2329 he_cap->he_cap_elem.mac_cap_info,
2330 sizeof(he_cap->he_cap_elem.mac_cap_info),
2331 0);
2332 memcpy_and_pad(&arg->peer_he_cap_phyinfo,
2333 sizeof(arg->peer_he_cap_phyinfo),
2334 he_cap->he_cap_elem.phy_cap_info,
2335 sizeof(he_cap->he_cap_elem.phy_cap_info),
2336 0);
2337 arg->peer_he_ops = vif->bss_conf.he_oper.params;
2338
2339 /* the top most byte is used to indicate BSS color info */
2340 arg->peer_he_ops &= 0xffffff;
2341
2342 /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension
2343 * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing
2344 * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present).
2345 *
2346 * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps,
2347 * if a HE STA sends VHT cap and HE cap IE in assoc request then, use
2348 * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length.
2349 * If a HE STA that does not send VHT cap, but HE and HT cap in assoc
2350 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu
2351 * length.
2352 */
2353 ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3],
2354 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK);
2355
2356 if (ampdu_factor) {
2357 if (sta->deflink.vht_cap.vht_supported)
2358 arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR +
2359 ampdu_factor)) - 1;
2360 else if (sta->deflink.ht_cap.ht_supported)
2361 arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR +
2362 ampdu_factor)) - 1;
2363 }
2364
2365 if (he_cap->he_cap_elem.phy_cap_info[6] &
2366 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2367 int bit = 7;
2368 int nss, ru;
2369
2370 arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] &
2371 IEEE80211_PPE_THRES_NSS_MASK;
2372 arg->peer_ppet.ru_bit_mask =
2373 (he_cap->ppe_thres[0] &
2374 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
2375 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
2376
2377 for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) {
2378 for (ru = 0; ru < 4; ru++) {
2379 u32 val = 0;
2380 int i;
2381
2382 if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0)
2383 continue;
2384 for (i = 0; i < 6; i++) {
2385 val >>= 1;
2386 val |= ((he_cap->ppe_thres[bit / 8] >>
2387 (bit % 8)) & 0x1) << 5;
2388 bit++;
2389 }
2390 arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |=
2391 val << (ru * 6);
2392 }
2393 }
2394 }
2395
2396 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES)
2397 arg->twt_responder = true;
2398 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ)
2399 arg->twt_requester = true;
2400
2401 he_nss = ath11k_mac_max_he_nss(he_mcs_mask);
2402
2403 if (he_nss > sta->deflink.rx_nss) {
2404 user_rate_valid = false;
2405 for (nss_idx = sta->deflink.rx_nss - 1; nss_idx >= 0; nss_idx--) {
2406 if (he_mcs_mask[nss_idx]) {
2407 user_rate_valid = true;
2408 break;
2409 }
2410 }
2411 }
2412
2413 if (!user_rate_valid) {
2414 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting he range mcs value to peer supported nss %d for peer %pM\n",
2415 sta->deflink.rx_nss, sta->addr);
2416 he_mcs_mask[sta->deflink.rx_nss - 1] = he_mcs_mask[he_nss - 1];
2417 }
2418
2419 switch (sta->deflink.bandwidth) {
2420 case IEEE80211_STA_RX_BW_160:
2421 if (he_cap->he_cap_elem.phy_cap_info[0] &
2422 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
2423 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80);
2424 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
2425 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
2426
2427 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80);
2428 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
2429
2430 arg->peer_he_mcs_count++;
2431 he_tx_mcs = v;
2432 }
2433 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
2434 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
2435
2436 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160);
2437 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
2438 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
2439
2440 arg->peer_he_mcs_count++;
2441 if (!he_tx_mcs)
2442 he_tx_mcs = v;
2443 fallthrough;
2444
2445 default:
2446 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
2447 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
2448
2449 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
2450 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
2451 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
2452
2453 arg->peer_he_mcs_count++;
2454 if (!he_tx_mcs)
2455 he_tx_mcs = v;
2456 break;
2457 }
2458
2459 /* Calculate peer NSS capability from HE capabilities if STA
2460 * supports HE.
2461 */
2462 for (i = 0, max_nss = 0; i < NL80211_HE_NSS_MAX; i++) {
2463 he_mcs = he_tx_mcs >> (2 * i) & 3;
2464
2465 /* In case of fixed rates, MCS Range in he_tx_mcs might have
2466 * unsupported range, with he_mcs_mask set, so check either of them
2467 * to find nss.
2468 */
2469 if (he_mcs != IEEE80211_HE_MCS_NOT_SUPPORTED ||
2470 he_mcs_mask[i])
2471 max_nss = i + 1;
2472 }
2473 arg->peer_nss = min(sta->deflink.rx_nss, max_nss);
2474
2475 if (arg->peer_phymode == MODE_11AX_HE160 ||
2476 arg->peer_phymode == MODE_11AX_HE80_80) {
2477 tx_nss = ath11k_get_nss_160mhz(ar, max_nss);
2478 rx_nss = min(arg->peer_nss, tx_nss);
2479 arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;
2480
2481 if (!rx_nss) {
2482 ath11k_warn(ar->ab, "invalid max_nss\n");
2483 return;
2484 }
2485
2486 if (arg->peer_phymode == MODE_11AX_HE160)
2487 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);
2488 else
2489 nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);
2490
2491 arg->peer_bw_rxnss_override |= nss_160;
2492 }
2493
2494 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2495 "he peer %pM nss %d mcs cnt %d nss_override 0x%x\n",
2496 sta->addr, arg->peer_nss,
2497 arg->peer_he_mcs_count,
2498 arg->peer_bw_rxnss_override);
2499 }
2500
ath11k_peer_assoc_h_he_6ghz(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)2501 static void ath11k_peer_assoc_h_he_6ghz(struct ath11k *ar,
2502 struct ieee80211_vif *vif,
2503 struct ieee80211_sta *sta,
2504 struct peer_assoc_params *arg)
2505 {
2506 const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
2507 struct cfg80211_chan_def def;
2508 enum nl80211_band band;
2509 u8 ampdu_factor;
2510
2511 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2512 return;
2513
2514 band = def.chan->band;
2515
2516 if (!arg->he_flag || band != NL80211_BAND_6GHZ || !sta->deflink.he_6ghz_capa.capa)
2517 return;
2518
2519 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2520 arg->bw_40 = true;
2521
2522 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
2523 arg->bw_80 = true;
2524
2525 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160)
2526 arg->bw_160 = true;
2527
2528 arg->peer_he_caps_6ghz = le16_to_cpu(sta->deflink.he_6ghz_capa.capa);
2529 arg->peer_mpdu_density =
2530 ath11k_parse_mpdudensity(FIELD_GET(IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START,
2531 arg->peer_he_caps_6ghz));
2532
2533 /* From IEEE Std 802.11ax-2021 - Section 10.12.2: An HE STA shall be capable of
2534 * receiving A-MPDU where the A-MPDU pre-EOF padding length is up to the value
2535 * indicated by the Maximum A-MPDU Length Exponent Extension field in the HE
2536 * Capabilities element and the Maximum A-MPDU Length Exponent field in HE 6 GHz
2537 * Band Capabilities element in the 6 GHz band.
2538 *
2539 * Here, we are extracting the Max A-MPDU Exponent Extension from HE caps and
2540 * factor is the Maximum A-MPDU Length Exponent from HE 6 GHZ Band capability.
2541 */
2542 ampdu_factor = FIELD_GET(IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK,
2543 he_cap->he_cap_elem.mac_cap_info[3]) +
2544 FIELD_GET(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP,
2545 arg->peer_he_caps_6ghz);
2546
2547 arg->peer_max_mpdu = (1u << (IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR +
2548 ampdu_factor)) - 1;
2549 }
2550
ath11k_peer_assoc_h_smps(struct ieee80211_sta * sta,struct peer_assoc_params * arg)2551 static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta,
2552 struct peer_assoc_params *arg)
2553 {
2554 const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
2555 int smps;
2556
2557 if (!ht_cap->ht_supported && !sta->deflink.he_6ghz_capa.capa)
2558 return;
2559
2560 if (ht_cap->ht_supported) {
2561 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2562 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2563 } else {
2564 smps = le16_get_bits(sta->deflink.he_6ghz_capa.capa,
2565 IEEE80211_HE_6GHZ_CAP_SM_PS);
2566 }
2567
2568 switch (smps) {
2569 case WLAN_HT_CAP_SM_PS_STATIC:
2570 arg->static_mimops_flag = true;
2571 break;
2572 case WLAN_HT_CAP_SM_PS_DYNAMIC:
2573 arg->dynamic_mimops_flag = true;
2574 break;
2575 case WLAN_HT_CAP_SM_PS_DISABLED:
2576 arg->spatial_mux_flag = true;
2577 break;
2578 default:
2579 break;
2580 }
2581 }
2582
ath11k_peer_assoc_h_qos(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)2583 static void ath11k_peer_assoc_h_qos(struct ath11k *ar,
2584 struct ieee80211_vif *vif,
2585 struct ieee80211_sta *sta,
2586 struct peer_assoc_params *arg)
2587 {
2588 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2589
2590 switch (arvif->vdev_type) {
2591 case WMI_VDEV_TYPE_AP:
2592 if (sta->wme) {
2593 /* TODO: Check WME vs QoS */
2594 arg->is_wme_set = true;
2595 arg->qos_flag = true;
2596 }
2597
2598 if (sta->wme && sta->uapsd_queues) {
2599 /* TODO: Check WME vs QoS */
2600 arg->is_wme_set = true;
2601 arg->apsd_flag = true;
2602 arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG;
2603 }
2604 break;
2605 case WMI_VDEV_TYPE_STA:
2606 if (sta->wme) {
2607 arg->is_wme_set = true;
2608 arg->qos_flag = true;
2609 }
2610 break;
2611 default:
2612 break;
2613 }
2614
2615 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM qos %d\n",
2616 sta->addr, arg->qos_flag);
2617 }
2618
ath11k_peer_assoc_qos_ap(struct ath11k * ar,struct ath11k_vif * arvif,struct ieee80211_sta * sta)2619 static int ath11k_peer_assoc_qos_ap(struct ath11k *ar,
2620 struct ath11k_vif *arvif,
2621 struct ieee80211_sta *sta)
2622 {
2623 struct ap_ps_params params;
2624 u32 max_sp;
2625 u32 uapsd;
2626 int ret;
2627
2628 lockdep_assert_held(&ar->conf_mutex);
2629
2630 params.vdev_id = arvif->vdev_id;
2631
2632 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "uapsd_queues 0x%x max_sp %d\n",
2633 sta->uapsd_queues, sta->max_sp);
2634
2635 uapsd = 0;
2636 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2637 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2638 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2639 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2640 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2641 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2642 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2643 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2644 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2645 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2646 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2647 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2648
2649 max_sp = 0;
2650 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2651 max_sp = sta->max_sp;
2652
2653 params.param = WMI_AP_PS_PEER_PARAM_UAPSD;
2654 params.value = uapsd;
2655 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
2656 if (ret)
2657 goto err;
2658
2659 params.param = WMI_AP_PS_PEER_PARAM_MAX_SP;
2660 params.value = max_sp;
2661 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
2662 if (ret)
2663 goto err;
2664
2665 /* TODO revisit during testing */
2666 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE;
2667 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;
2668 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
2669 if (ret)
2670 goto err;
2671
2672 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD;
2673 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;
2674 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
2675 if (ret)
2676 goto err;
2677
2678 return 0;
2679
2680 err:
2681 ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n",
2682 params.param, arvif->vdev_id, ret);
2683 return ret;
2684 }
2685
ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta * sta)2686 static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2687 {
2688 return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >>
2689 ATH11K_MAC_FIRST_OFDM_RATE_IDX;
2690 }
2691
ath11k_mac_get_phymode_vht(struct ath11k * ar,struct ieee80211_sta * sta)2692 static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar,
2693 struct ieee80211_sta *sta)
2694 {
2695 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {
2696 switch (sta->deflink.vht_cap.cap &
2697 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
2698 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
2699 return MODE_11AC_VHT160;
2700 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
2701 return MODE_11AC_VHT80_80;
2702 default:
2703 /* not sure if this is a valid case? */
2704 return MODE_11AC_VHT160;
2705 }
2706 }
2707
2708 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
2709 return MODE_11AC_VHT80;
2710
2711 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2712 return MODE_11AC_VHT40;
2713
2714 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)
2715 return MODE_11AC_VHT20;
2716
2717 return MODE_UNKNOWN;
2718 }
2719
ath11k_mac_get_phymode_he(struct ath11k * ar,struct ieee80211_sta * sta)2720 static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar,
2721 struct ieee80211_sta *sta)
2722 {
2723 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) {
2724 if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &
2725 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2726 return MODE_11AX_HE160;
2727 else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] &
2728 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2729 return MODE_11AX_HE80_80;
2730 /* not sure if this is a valid case? */
2731 return MODE_11AX_HE160;
2732 }
2733
2734 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
2735 return MODE_11AX_HE80;
2736
2737 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2738 return MODE_11AX_HE40;
2739
2740 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20)
2741 return MODE_11AX_HE20;
2742
2743 return MODE_UNKNOWN;
2744 }
2745
ath11k_peer_assoc_h_phymode(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)2746 static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
2747 struct ieee80211_vif *vif,
2748 struct ieee80211_sta *sta,
2749 struct peer_assoc_params *arg)
2750 {
2751 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2752 struct cfg80211_chan_def def;
2753 enum nl80211_band band;
2754 const u8 *ht_mcs_mask;
2755 const u16 *vht_mcs_mask;
2756 const u16 *he_mcs_mask;
2757 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2758
2759 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2760 return;
2761
2762 band = def.chan->band;
2763 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2764 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2765 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs;
2766
2767 switch (band) {
2768 case NL80211_BAND_2GHZ:
2769 if (sta->deflink.he_cap.has_he &&
2770 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) {
2771 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80)
2772 phymode = MODE_11AX_HE80_2G;
2773 else if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2774 phymode = MODE_11AX_HE40_2G;
2775 else
2776 phymode = MODE_11AX_HE20_2G;
2777 } else if (sta->deflink.vht_cap.vht_supported &&
2778 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2779 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2780 phymode = MODE_11AC_VHT40;
2781 else
2782 phymode = MODE_11AC_VHT20;
2783 } else if (sta->deflink.ht_cap.ht_supported &&
2784 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2785 if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40)
2786 phymode = MODE_11NG_HT40;
2787 else
2788 phymode = MODE_11NG_HT20;
2789 } else if (ath11k_mac_sta_has_ofdm_only(sta)) {
2790 phymode = MODE_11G;
2791 } else {
2792 phymode = MODE_11B;
2793 }
2794 break;
2795 case NL80211_BAND_5GHZ:
2796 case NL80211_BAND_6GHZ:
2797 /* Check HE first */
2798 if (sta->deflink.he_cap.has_he &&
2799 !ath11k_peer_assoc_h_he_masked(he_mcs_mask)) {
2800 phymode = ath11k_mac_get_phymode_he(ar, sta);
2801 } else if (sta->deflink.vht_cap.vht_supported &&
2802 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2803 phymode = ath11k_mac_get_phymode_vht(ar, sta);
2804 } else if (sta->deflink.ht_cap.ht_supported &&
2805 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2806 if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40)
2807 phymode = MODE_11NA_HT40;
2808 else
2809 phymode = MODE_11NA_HT20;
2810 } else {
2811 phymode = MODE_11A;
2812 }
2813 break;
2814 default:
2815 break;
2816 }
2817
2818 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "peer %pM phymode %s\n",
2819 sta->addr, ath11k_wmi_phymode_str(phymode));
2820
2821 arg->peer_phymode = phymode;
2822 WARN_ON(phymode == MODE_UNKNOWN);
2823 }
2824
ath11k_peer_assoc_prepare(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg,bool reassoc)2825 static void ath11k_peer_assoc_prepare(struct ath11k *ar,
2826 struct ieee80211_vif *vif,
2827 struct ieee80211_sta *sta,
2828 struct peer_assoc_params *arg,
2829 bool reassoc)
2830 {
2831 struct ath11k_sta *arsta;
2832
2833 lockdep_assert_held(&ar->conf_mutex);
2834
2835 arsta = ath11k_sta_to_arsta(sta);
2836
2837 memset(arg, 0, sizeof(*arg));
2838
2839 reinit_completion(&ar->peer_assoc_done);
2840
2841 arg->peer_new_assoc = !reassoc;
2842 ath11k_peer_assoc_h_basic(ar, vif, sta, arg);
2843 ath11k_peer_assoc_h_crypto(ar, vif, sta, arg);
2844 ath11k_peer_assoc_h_rates(ar, vif, sta, arg);
2845 ath11k_peer_assoc_h_phymode(ar, vif, sta, arg);
2846 ath11k_peer_assoc_h_ht(ar, vif, sta, arg);
2847 ath11k_peer_assoc_h_vht(ar, vif, sta, arg);
2848 ath11k_peer_assoc_h_he(ar, vif, sta, arg);
2849 ath11k_peer_assoc_h_he_6ghz(ar, vif, sta, arg);
2850 ath11k_peer_assoc_h_qos(ar, vif, sta, arg);
2851 ath11k_peer_assoc_h_smps(sta, arg);
2852
2853 arsta->peer_nss = arg->peer_nss;
2854
2855 /* TODO: amsdu_disable req? */
2856 }
2857
ath11k_setup_peer_smps(struct ath11k * ar,struct ath11k_vif * arvif,const u8 * addr,const struct ieee80211_sta_ht_cap * ht_cap,u16 he_6ghz_capa)2858 static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif,
2859 const u8 *addr,
2860 const struct ieee80211_sta_ht_cap *ht_cap,
2861 u16 he_6ghz_capa)
2862 {
2863 int smps;
2864
2865 if (!ht_cap->ht_supported && !he_6ghz_capa)
2866 return 0;
2867
2868 if (ht_cap->ht_supported) {
2869 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2870 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2871 } else {
2872 smps = FIELD_GET(IEEE80211_HE_6GHZ_CAP_SM_PS, he_6ghz_capa);
2873 }
2874
2875 if (smps >= ARRAY_SIZE(ath11k_smps_map))
2876 return -EINVAL;
2877
2878 return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id,
2879 WMI_PEER_MIMO_PS_STATE,
2880 ath11k_smps_map[smps]);
2881 }
2882
ath11k_mac_set_he_txbf_conf(struct ath11k_vif * arvif)2883 static bool ath11k_mac_set_he_txbf_conf(struct ath11k_vif *arvif)
2884 {
2885 struct ath11k *ar = arvif->ar;
2886 u32 param, value;
2887 int ret;
2888
2889 if (!arvif->vif->bss_conf.he_support)
2890 return true;
2891
2892 param = WMI_VDEV_PARAM_SET_HEMU_MODE;
2893 value = 0;
2894 if (arvif->vif->bss_conf.he_su_beamformer) {
2895 value |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE);
2896 if (arvif->vif->bss_conf.he_mu_beamformer &&
2897 arvif->vdev_type == WMI_VDEV_TYPE_AP)
2898 value |= FIELD_PREP(HE_MODE_MU_TX_BFER, HE_MU_BFER_ENABLE);
2899 }
2900
2901 if (arvif->vif->type != NL80211_IFTYPE_MESH_POINT) {
2902 value |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) |
2903 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE);
2904
2905 if (arvif->vif->bss_conf.he_full_ul_mumimo)
2906 value |= FIELD_PREP(HE_MODE_UL_MUMIMO, HE_UL_MUMIMO_ENABLE);
2907
2908 if (arvif->vif->bss_conf.he_su_beamformee)
2909 value |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);
2910 }
2911
2912 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, value);
2913 if (ret) {
2914 ath11k_warn(ar->ab, "failed to set vdev %d HE MU mode: %d\n",
2915 arvif->vdev_id, ret);
2916 return false;
2917 }
2918
2919 param = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE;
2920 value = FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) |
2921 FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE,
2922 HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE);
2923 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2924 param, value);
2925 if (ret) {
2926 ath11k_warn(ar->ab, "failed to set vdev %d sounding mode: %d\n",
2927 arvif->vdev_id, ret);
2928 return false;
2929 }
2930 return true;
2931 }
2932
ath11k_mac_vif_recalc_sta_he_txbf(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta_he_cap * he_cap)2933 static bool ath11k_mac_vif_recalc_sta_he_txbf(struct ath11k *ar,
2934 struct ieee80211_vif *vif,
2935 struct ieee80211_sta_he_cap *he_cap)
2936 {
2937 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2938 struct ieee80211_he_cap_elem he_cap_elem = {0};
2939 struct ieee80211_sta_he_cap *cap_band = NULL;
2940 struct cfg80211_chan_def def;
2941 u32 param = WMI_VDEV_PARAM_SET_HEMU_MODE;
2942 u32 hemode = 0;
2943 int ret;
2944
2945 if (!vif->bss_conf.he_support)
2946 return true;
2947
2948 if (vif->type != NL80211_IFTYPE_STATION)
2949 return false;
2950
2951 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2952 return false;
2953
2954 if (def.chan->band == NL80211_BAND_2GHZ)
2955 cap_band = &ar->mac.iftype[NL80211_BAND_2GHZ][vif->type].he_cap;
2956 else
2957 cap_band = &ar->mac.iftype[NL80211_BAND_5GHZ][vif->type].he_cap;
2958
2959 memcpy(&he_cap_elem, &cap_band->he_cap_elem, sizeof(he_cap_elem));
2960
2961 if (HECAP_PHY_SUBFME_GET(he_cap_elem.phy_cap_info)) {
2962 if (HECAP_PHY_SUBFMR_GET(he_cap->he_cap_elem.phy_cap_info))
2963 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);
2964 if (HECAP_PHY_MUBFMR_GET(he_cap->he_cap_elem.phy_cap_info))
2965 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE);
2966 }
2967
2968 if (vif->type != NL80211_IFTYPE_MESH_POINT) {
2969 hemode |= FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) |
2970 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE);
2971
2972 if (HECAP_PHY_ULMUMIMO_GET(he_cap_elem.phy_cap_info))
2973 if (HECAP_PHY_ULMUMIMO_GET(he_cap->he_cap_elem.phy_cap_info))
2974 hemode |= FIELD_PREP(HE_MODE_UL_MUMIMO,
2975 HE_UL_MUMIMO_ENABLE);
2976
2977 if (FIELD_GET(HE_MODE_MU_TX_BFEE, hemode))
2978 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE);
2979
2980 if (FIELD_GET(HE_MODE_MU_TX_BFER, hemode))
2981 hemode |= FIELD_PREP(HE_MODE_SU_TX_BFER, HE_SU_BFER_ENABLE);
2982 }
2983
2984 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, hemode);
2985 if (ret) {
2986 ath11k_warn(ar->ab, "failed to submit vdev param txbf 0x%x: %d\n",
2987 hemode, ret);
2988 return false;
2989 }
2990
2991 return true;
2992 }
2993
ath11k_bss_assoc(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf)2994 static void ath11k_bss_assoc(struct ieee80211_hw *hw,
2995 struct ieee80211_vif *vif,
2996 struct ieee80211_bss_conf *bss_conf)
2997 {
2998 struct ath11k *ar = hw->priv;
2999 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3000 struct peer_assoc_params peer_arg;
3001 struct ieee80211_sta *ap_sta;
3002 struct ath11k_peer *peer;
3003 bool is_auth = false;
3004 struct ieee80211_sta_he_cap he_cap;
3005 int ret;
3006
3007 lockdep_assert_held(&ar->conf_mutex);
3008
3009 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i assoc bssid %pM aid %d\n",
3010 arvif->vdev_id, arvif->bssid, arvif->aid);
3011
3012 rcu_read_lock();
3013
3014 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
3015 if (!ap_sta) {
3016 ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n",
3017 bss_conf->bssid, arvif->vdev_id);
3018 rcu_read_unlock();
3019 return;
3020 }
3021
3022 /* he_cap here is updated at assoc success for sta mode only */
3023 he_cap = ap_sta->deflink.he_cap;
3024
3025 ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false);
3026
3027 rcu_read_unlock();
3028
3029 peer_arg.is_assoc = true;
3030 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
3031 if (ret) {
3032 ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n",
3033 bss_conf->bssid, arvif->vdev_id, ret);
3034 return;
3035 }
3036
3037 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
3038 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
3039 bss_conf->bssid, arvif->vdev_id);
3040 return;
3041 }
3042
3043 ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid,
3044 &ap_sta->deflink.ht_cap,
3045 le16_to_cpu(ap_sta->deflink.he_6ghz_capa.capa));
3046 if (ret) {
3047 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
3048 arvif->vdev_id, ret);
3049 return;
3050 }
3051
3052 if (!ath11k_mac_vif_recalc_sta_he_txbf(ar, vif, &he_cap)) {
3053 ath11k_warn(ar->ab, "failed to recalc he txbf for vdev %i on bss %pM\n",
3054 arvif->vdev_id, bss_conf->bssid);
3055 return;
3056 }
3057
3058 WARN_ON(arvif->is_up);
3059
3060 arvif->aid = vif->cfg.aid;
3061 ether_addr_copy(arvif->bssid, bss_conf->bssid);
3062
3063 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid,
3064 NULL, 0, 0);
3065 if (ret) {
3066 ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n",
3067 arvif->vdev_id, ret);
3068 return;
3069 }
3070
3071 arvif->is_up = true;
3072 arvif->rekey_data.enable_offload = false;
3073
3074 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3075 "vdev %d up (associated) bssid %pM aid %d\n",
3076 arvif->vdev_id, bss_conf->bssid, vif->cfg.aid);
3077
3078 spin_lock_bh(&ar->ab->base_lock);
3079
3080 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, arvif->bssid);
3081 if (peer && peer->is_authorized)
3082 is_auth = true;
3083
3084 spin_unlock_bh(&ar->ab->base_lock);
3085
3086 if (is_auth) {
3087 ret = ath11k_wmi_set_peer_param(ar, arvif->bssid,
3088 arvif->vdev_id,
3089 WMI_PEER_AUTHORIZE,
3090 1);
3091 if (ret)
3092 ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret);
3093 }
3094
3095 ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,
3096 &bss_conf->he_obss_pd);
3097 if (ret)
3098 ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n",
3099 arvif->vdev_id, ret);
3100
3101 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3102 WMI_VDEV_PARAM_DTIM_POLICY,
3103 WMI_DTIM_POLICY_STICK);
3104 if (ret)
3105 ath11k_warn(ar->ab, "failed to set vdev %d dtim policy: %d\n",
3106 arvif->vdev_id, ret);
3107
3108 ath11k_mac_11d_scan_stop_all(ar->ab);
3109 }
3110
ath11k_bss_disassoc(struct ieee80211_hw * hw,struct ieee80211_vif * vif)3111 static void ath11k_bss_disassoc(struct ieee80211_hw *hw,
3112 struct ieee80211_vif *vif)
3113 {
3114 struct ath11k *ar = hw->priv;
3115 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3116 int ret;
3117
3118 lockdep_assert_held(&ar->conf_mutex);
3119
3120 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %i disassoc bssid %pM\n",
3121 arvif->vdev_id, arvif->bssid);
3122
3123 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);
3124 if (ret)
3125 ath11k_warn(ar->ab, "failed to down vdev %i: %d\n",
3126 arvif->vdev_id, ret);
3127
3128 arvif->is_up = false;
3129
3130 memset(&arvif->rekey_data, 0, sizeof(arvif->rekey_data));
3131
3132 cancel_delayed_work_sync(&arvif->connection_loss_work);
3133 }
3134
ath11k_mac_get_rate_hw_value(int bitrate)3135 static u32 ath11k_mac_get_rate_hw_value(int bitrate)
3136 {
3137 u32 preamble;
3138 u16 hw_value;
3139 int rate;
3140 size_t i;
3141
3142 if (ath11k_mac_bitrate_is_cck(bitrate))
3143 preamble = WMI_RATE_PREAMBLE_CCK;
3144 else
3145 preamble = WMI_RATE_PREAMBLE_OFDM;
3146
3147 for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) {
3148 if (ath11k_legacy_rates[i].bitrate != bitrate)
3149 continue;
3150
3151 hw_value = ath11k_legacy_rates[i].hw_value;
3152 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);
3153
3154 return rate;
3155 }
3156
3157 return -EINVAL;
3158 }
3159
ath11k_recalculate_mgmt_rate(struct ath11k * ar,struct ieee80211_vif * vif,struct cfg80211_chan_def * def)3160 static void ath11k_recalculate_mgmt_rate(struct ath11k *ar,
3161 struct ieee80211_vif *vif,
3162 struct cfg80211_chan_def *def)
3163 {
3164 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3165 const struct ieee80211_supported_band *sband;
3166 u8 basic_rate_idx;
3167 int hw_rate_code;
3168 u32 vdev_param;
3169 u16 bitrate;
3170 int ret;
3171
3172 lockdep_assert_held(&ar->conf_mutex);
3173
3174 sband = ar->hw->wiphy->bands[def->chan->band];
3175 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
3176 bitrate = sband->bitrates[basic_rate_idx].bitrate;
3177
3178 hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate);
3179 if (hw_rate_code < 0) {
3180 ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate);
3181 return;
3182 }
3183
3184 vdev_param = WMI_VDEV_PARAM_MGMT_RATE;
3185 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
3186 hw_rate_code);
3187 if (ret)
3188 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);
3189
3190 /* For WCN6855, firmware will clear this param when vdev starts, hence
3191 * cache it here so that we can reconfigure it once vdev starts.
3192 */
3193 ar->hw_rate_code = hw_rate_code;
3194
3195 vdev_param = WMI_VDEV_PARAM_BEACON_RATE;
3196 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
3197 hw_rate_code);
3198 if (ret)
3199 ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret);
3200 }
3201
ath11k_mac_fils_discovery(struct ath11k_vif * arvif,struct ieee80211_bss_conf * info)3202 static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif,
3203 struct ieee80211_bss_conf *info)
3204 {
3205 struct ath11k *ar = arvif->ar;
3206 struct sk_buff *tmpl;
3207 int ret;
3208 u32 interval;
3209 bool unsol_bcast_probe_resp_enabled = false;
3210
3211 if (info->fils_discovery.max_interval) {
3212 interval = info->fils_discovery.max_interval;
3213
3214 tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif);
3215 if (tmpl)
3216 ret = ath11k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id,
3217 tmpl);
3218 } else if (info->unsol_bcast_probe_resp_interval) {
3219 unsol_bcast_probe_resp_enabled = 1;
3220 interval = info->unsol_bcast_probe_resp_interval;
3221
3222 tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw,
3223 arvif->vif);
3224 if (tmpl)
3225 ret = ath11k_wmi_probe_resp_tmpl(ar, arvif->vdev_id,
3226 tmpl);
3227 } else { /* Disable */
3228 return ath11k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false);
3229 }
3230
3231 if (!tmpl) {
3232 ath11k_warn(ar->ab,
3233 "mac vdev %i failed to retrieve %s template\n",
3234 arvif->vdev_id, (unsol_bcast_probe_resp_enabled ?
3235 "unsolicited broadcast probe response" :
3236 "FILS discovery"));
3237 return -EPERM;
3238 }
3239 kfree_skb(tmpl);
3240
3241 if (!ret)
3242 ret = ath11k_wmi_fils_discovery(ar, arvif->vdev_id, interval,
3243 unsol_bcast_probe_resp_enabled);
3244
3245 return ret;
3246 }
3247
ath11k_mac_config_obss_pd(struct ath11k * ar,struct ieee80211_he_obss_pd * he_obss_pd)3248 static int ath11k_mac_config_obss_pd(struct ath11k *ar,
3249 struct ieee80211_he_obss_pd *he_obss_pd)
3250 {
3251 u32 bitmap[2], param_id, param_val, pdev_id;
3252 int ret;
3253 s8 non_srg_th = 0, srg_th = 0;
3254
3255 pdev_id = ar->pdev->pdev_id;
3256
3257 /* Set and enable SRG/non-SRG OBSS PD Threshold */
3258 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD;
3259 if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) {
3260 ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id);
3261 if (ret)
3262 ath11k_warn(ar->ab,
3263 "failed to set obss_pd_threshold for pdev: %u\n",
3264 pdev_id);
3265 return ret;
3266 }
3267
3268 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3269 "obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n",
3270 he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset,
3271 he_obss_pd->max_offset);
3272
3273 param_val = 0;
3274
3275 if (he_obss_pd->sr_ctrl &
3276 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) {
3277 non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD;
3278 } else {
3279 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
3280 non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD +
3281 he_obss_pd->non_srg_max_offset);
3282 else
3283 non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD;
3284
3285 param_val |= ATH11K_OBSS_PD_NON_SRG_EN;
3286 }
3287
3288 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
3289 srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset;
3290 param_val |= ATH11K_OBSS_PD_SRG_EN;
3291 }
3292
3293 if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
3294 ar->ab->wmi_ab.svc_map)) {
3295 param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM;
3296 param_val |= FIELD_PREP(GENMASK(15, 8), srg_th);
3297 } else {
3298 non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR;
3299 /* SRG not supported and threshold in dB */
3300 param_val &= ~(ATH11K_OBSS_PD_SRG_EN |
3301 ATH11K_OBSS_PD_THRESHOLD_IN_DBM);
3302 }
3303
3304 param_val |= (non_srg_th & GENMASK(7, 0));
3305 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
3306 if (ret) {
3307 ath11k_warn(ar->ab,
3308 "failed to set obss_pd_threshold for pdev: %u\n",
3309 pdev_id);
3310 return ret;
3311 }
3312
3313 /* Enable OBSS PD for all access category */
3314 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC;
3315 param_val = 0xf;
3316 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
3317 if (ret) {
3318 ath11k_warn(ar->ab,
3319 "failed to set obss_pd_per_ac for pdev: %u\n",
3320 pdev_id);
3321 return ret;
3322 }
3323
3324 /* Set SR Prohibit */
3325 param_id = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT;
3326 param_val = !!(he_obss_pd->sr_ctrl &
3327 IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED);
3328 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
3329 if (ret) {
3330 ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n",
3331 pdev_id);
3332 return ret;
3333 }
3334
3335 if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
3336 ar->ab->wmi_ab.svc_map))
3337 return 0;
3338
3339 /* Set SRG BSS Color Bitmap */
3340 memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));
3341 ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap);
3342 if (ret) {
3343 ath11k_warn(ar->ab,
3344 "failed to set bss_color_bitmap for pdev: %u\n",
3345 pdev_id);
3346 return ret;
3347 }
3348
3349 /* Set SRG Partial BSSID Bitmap */
3350 memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));
3351 ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap);
3352 if (ret) {
3353 ath11k_warn(ar->ab,
3354 "failed to set partial_bssid_bitmap for pdev: %u\n",
3355 pdev_id);
3356 return ret;
3357 }
3358
3359 memset(bitmap, 0xff, sizeof(bitmap));
3360
3361 /* Enable all BSS Colors for SRG */
3362 ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap);
3363 if (ret) {
3364 ath11k_warn(ar->ab,
3365 "failed to set srg_color_en_bitmap pdev: %u\n",
3366 pdev_id);
3367 return ret;
3368 }
3369
3370 /* Enable all partial BSSID mask for SRG */
3371 ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap);
3372 if (ret) {
3373 ath11k_warn(ar->ab,
3374 "failed to set srg_bssid_en_bitmap pdev: %u\n",
3375 pdev_id);
3376 return ret;
3377 }
3378
3379 /* Enable all BSS Colors for non-SRG */
3380 ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap);
3381 if (ret) {
3382 ath11k_warn(ar->ab,
3383 "failed to set non_srg_color_en_bitmap pdev: %u\n",
3384 pdev_id);
3385 return ret;
3386 }
3387
3388 /* Enable all partial BSSID mask for non-SRG */
3389 ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap);
3390 if (ret) {
3391 ath11k_warn(ar->ab,
3392 "failed to set non_srg_bssid_en_bitmap pdev: %u\n",
3393 pdev_id);
3394 return ret;
3395 }
3396
3397 return 0;
3398 }
3399
ath11k_mac_op_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)3400 static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
3401 struct ieee80211_vif *vif,
3402 struct ieee80211_bss_conf *info,
3403 u64 changed)
3404 {
3405 struct ath11k *ar = hw->priv;
3406 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3407 struct cfg80211_chan_def def;
3408 u32 param_id, param_value;
3409 enum nl80211_band band;
3410 u32 vdev_param;
3411 int mcast_rate;
3412 u32 preamble;
3413 u16 hw_value;
3414 u16 bitrate;
3415 int ret = 0;
3416 u8 rateidx;
3417 u32 rate, param;
3418 u32 ipv4_cnt;
3419
3420 mutex_lock(&ar->conf_mutex);
3421
3422 if (changed & BSS_CHANGED_BEACON_INT) {
3423 arvif->beacon_interval = info->beacon_int;
3424
3425 param_id = WMI_VDEV_PARAM_BEACON_INTERVAL;
3426 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3427 param_id,
3428 arvif->beacon_interval);
3429 if (ret)
3430 ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n",
3431 arvif->vdev_id);
3432 else
3433 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3434 "Beacon interval: %d set for VDEV: %d\n",
3435 arvif->beacon_interval, arvif->vdev_id);
3436 }
3437
3438 if (changed & BSS_CHANGED_BEACON) {
3439 param_id = WMI_PDEV_PARAM_BEACON_TX_MODE;
3440 param_value = WMI_BEACON_STAGGERED_MODE;
3441 ret = ath11k_wmi_pdev_set_param(ar, param_id,
3442 param_value, ar->pdev->pdev_id);
3443 if (ret)
3444 ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n",
3445 arvif->vdev_id);
3446 else
3447 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3448 "Set staggered beacon mode for VDEV: %d\n",
3449 arvif->vdev_id);
3450
3451 if (!arvif->do_not_send_tmpl || !arvif->bcca_zero_sent) {
3452 ret = ath11k_mac_setup_bcn_tmpl(arvif);
3453 if (ret)
3454 ath11k_warn(ar->ab, "failed to update bcn template: %d\n",
3455 ret);
3456 }
3457
3458 if (arvif->bcca_zero_sent)
3459 arvif->do_not_send_tmpl = true;
3460 else
3461 arvif->do_not_send_tmpl = false;
3462
3463 if (vif->bss_conf.he_support) {
3464 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3465 WMI_VDEV_PARAM_BA_MODE,
3466 WMI_BA_MODE_BUFFER_SIZE_256);
3467 if (ret)
3468 ath11k_warn(ar->ab,
3469 "failed to set BA BUFFER SIZE 256 for vdev: %d\n",
3470 arvif->vdev_id);
3471 else
3472 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3473 "Set BA BUFFER SIZE 256 for VDEV: %d\n",
3474 arvif->vdev_id);
3475 }
3476 }
3477
3478 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
3479 arvif->dtim_period = info->dtim_period;
3480
3481 param_id = WMI_VDEV_PARAM_DTIM_PERIOD;
3482 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3483 param_id,
3484 arvif->dtim_period);
3485
3486 if (ret)
3487 ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n",
3488 arvif->vdev_id, ret);
3489 else
3490 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3491 "DTIM period: %d set for VDEV: %d\n",
3492 arvif->dtim_period, arvif->vdev_id);
3493 }
3494
3495 if (changed & BSS_CHANGED_SSID &&
3496 vif->type == NL80211_IFTYPE_AP) {
3497 arvif->u.ap.ssid_len = vif->cfg.ssid_len;
3498 if (vif->cfg.ssid_len)
3499 memcpy(arvif->u.ap.ssid, vif->cfg.ssid,
3500 vif->cfg.ssid_len);
3501 arvif->u.ap.hidden_ssid = info->hidden_ssid;
3502 }
3503
3504 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
3505 ether_addr_copy(arvif->bssid, info->bssid);
3506
3507 if (changed & BSS_CHANGED_BEACON_ENABLED) {
3508 if (info->enable_beacon)
3509 ath11k_mac_set_he_txbf_conf(arvif);
3510 ath11k_control_beaconing(arvif, info);
3511
3512 if (arvif->is_up && vif->bss_conf.he_support &&
3513 vif->bss_conf.he_oper.params) {
3514 param_id = WMI_VDEV_PARAM_HEOPS_0_31;
3515 param_value = vif->bss_conf.he_oper.params;
3516 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3517 param_id, param_value);
3518 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3519 "he oper param: %x set for VDEV: %d\n",
3520 param_value, arvif->vdev_id);
3521
3522 if (ret)
3523 ath11k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n",
3524 param_value, arvif->vdev_id, ret);
3525 }
3526 }
3527
3528 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
3529 u32 cts_prot;
3530
3531 cts_prot = !!(info->use_cts_prot);
3532 param_id = WMI_VDEV_PARAM_PROTECTION_MODE;
3533
3534 if (arvif->is_started) {
3535 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3536 param_id, cts_prot);
3537 if (ret)
3538 ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n",
3539 arvif->vdev_id);
3540 else
3541 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n",
3542 cts_prot, arvif->vdev_id);
3543 } else {
3544 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n");
3545 }
3546 }
3547
3548 if (changed & BSS_CHANGED_ERP_SLOT) {
3549 u32 slottime;
3550
3551 if (info->use_short_slot)
3552 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
3553
3554 else
3555 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
3556
3557 param_id = WMI_VDEV_PARAM_SLOT_TIME;
3558 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3559 param_id, slottime);
3560 if (ret)
3561 ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n",
3562 arvif->vdev_id);
3563 else
3564 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3565 "Set slottime: %d for VDEV: %d\n",
3566 slottime, arvif->vdev_id);
3567 }
3568
3569 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
3570 u32 preamble;
3571
3572 if (info->use_short_preamble)
3573 preamble = WMI_VDEV_PREAMBLE_SHORT;
3574 else
3575 preamble = WMI_VDEV_PREAMBLE_LONG;
3576
3577 param_id = WMI_VDEV_PARAM_PREAMBLE;
3578 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3579 param_id, preamble);
3580 if (ret)
3581 ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n",
3582 arvif->vdev_id);
3583 else
3584 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3585 "Set preamble: %d for VDEV: %d\n",
3586 preamble, arvif->vdev_id);
3587 }
3588
3589 if (changed & BSS_CHANGED_ASSOC) {
3590 if (vif->cfg.assoc)
3591 ath11k_bss_assoc(hw, vif, info);
3592 else
3593 ath11k_bss_disassoc(hw, vif);
3594 }
3595
3596 if (changed & BSS_CHANGED_TXPOWER) {
3597 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev_id %i txpower %d\n",
3598 arvif->vdev_id, info->txpower);
3599
3600 arvif->txpower = info->txpower;
3601 ath11k_mac_txpower_recalc(ar);
3602 }
3603
3604 if (changed & BSS_CHANGED_PS &&
3605 ar->ab->hw_params.supports_sta_ps) {
3606 arvif->ps = vif->cfg.ps;
3607
3608 ret = ath11k_mac_config_ps(ar);
3609 if (ret)
3610 ath11k_warn(ar->ab, "failed to setup ps on vdev %i: %d\n",
3611 arvif->vdev_id, ret);
3612 }
3613
3614 if (changed & BSS_CHANGED_MCAST_RATE &&
3615 !ath11k_mac_vif_chan(arvif->vif, &def)) {
3616 band = def.chan->band;
3617 mcast_rate = vif->bss_conf.mcast_rate[band];
3618
3619 if (mcast_rate > 0)
3620 rateidx = mcast_rate - 1;
3621 else
3622 rateidx = ffs(vif->bss_conf.basic_rates) - 1;
3623
3624 if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP)
3625 rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;
3626
3627 bitrate = ath11k_legacy_rates[rateidx].bitrate;
3628 hw_value = ath11k_legacy_rates[rateidx].hw_value;
3629
3630 if (ath11k_mac_bitrate_is_cck(bitrate))
3631 preamble = WMI_RATE_PREAMBLE_CCK;
3632 else
3633 preamble = WMI_RATE_PREAMBLE_OFDM;
3634
3635 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);
3636
3637 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3638 "vdev %d mcast_rate %x\n",
3639 arvif->vdev_id, rate);
3640
3641 vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE;
3642 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3643 vdev_param, rate);
3644 if (ret)
3645 ath11k_warn(ar->ab,
3646 "failed to set mcast rate on vdev %i: %d\n",
3647 arvif->vdev_id, ret);
3648
3649 vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE;
3650 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3651 vdev_param, rate);
3652 if (ret)
3653 ath11k_warn(ar->ab,
3654 "failed to set bcast rate on vdev %i: %d\n",
3655 arvif->vdev_id, ret);
3656 }
3657
3658 if (changed & BSS_CHANGED_BASIC_RATES &&
3659 !ath11k_mac_vif_chan(arvif->vif, &def))
3660 ath11k_recalculate_mgmt_rate(ar, vif, &def);
3661
3662 if (changed & BSS_CHANGED_TWT) {
3663 struct wmi_twt_enable_params twt_params = {0};
3664
3665 if (info->twt_requester || info->twt_responder) {
3666 ath11k_wmi_fill_default_twt_params(&twt_params);
3667 ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id,
3668 &twt_params);
3669 } else {
3670 ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);
3671 }
3672 }
3673
3674 if (changed & BSS_CHANGED_HE_OBSS_PD)
3675 ath11k_mac_config_obss_pd(ar, &info->he_obss_pd);
3676
3677 if (changed & BSS_CHANGED_HE_BSS_COLOR) {
3678 if (vif->type == NL80211_IFTYPE_AP) {
3679 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(
3680 ar, arvif->vdev_id, info->he_bss_color.color,
3681 ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS,
3682 info->he_bss_color.enabled);
3683 if (ret)
3684 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
3685 arvif->vdev_id, ret);
3686
3687 param_id = WMI_VDEV_PARAM_BSS_COLOR;
3688 if (info->he_bss_color.enabled)
3689 param_value = info->he_bss_color.color <<
3690 IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET;
3691 else
3692 param_value = IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED;
3693
3694 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3695 param_id,
3696 param_value);
3697 if (ret)
3698 ath11k_warn(ar->ab,
3699 "failed to set bss color param on vdev %i: %d\n",
3700 arvif->vdev_id, ret);
3701
3702 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3703 "bss color param 0x%x set on vdev %i\n",
3704 param_value, arvif->vdev_id);
3705 } else if (vif->type == NL80211_IFTYPE_STATION) {
3706 ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar,
3707 arvif->vdev_id,
3708 1);
3709 if (ret)
3710 ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n",
3711 arvif->vdev_id, ret);
3712 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(
3713 ar, arvif->vdev_id, 0,
3714 ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1);
3715 if (ret)
3716 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
3717 arvif->vdev_id, ret);
3718 }
3719 }
3720
3721 if (changed & BSS_CHANGED_FTM_RESPONDER &&
3722 arvif->ftm_responder != info->ftm_responder &&
3723 test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map) &&
3724 (vif->type == NL80211_IFTYPE_AP ||
3725 vif->type == NL80211_IFTYPE_MESH_POINT)) {
3726 arvif->ftm_responder = info->ftm_responder;
3727 param = WMI_VDEV_PARAM_ENABLE_DISABLE_RTT_RESPONDER_ROLE;
3728 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
3729 arvif->ftm_responder);
3730 if (ret)
3731 ath11k_warn(ar->ab, "Failed to set ftm responder %i: %d\n",
3732 arvif->vdev_id, ret);
3733 }
3734
3735 if (changed & BSS_CHANGED_FILS_DISCOVERY ||
3736 changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP)
3737 ath11k_mac_fils_discovery(arvif, info);
3738
3739 if (changed & BSS_CHANGED_ARP_FILTER) {
3740 ipv4_cnt = min(vif->cfg.arp_addr_cnt, ATH11K_IPV4_MAX_COUNT);
3741 memcpy(arvif->arp_ns_offload.ipv4_addr,
3742 vif->cfg.arp_addr_list,
3743 ipv4_cnt * sizeof(u32));
3744 memcpy(arvif->arp_ns_offload.mac_addr, vif->addr, ETH_ALEN);
3745 arvif->arp_ns_offload.ipv4_count = ipv4_cnt;
3746
3747 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "arp_addr_cnt %d vif->addr %pM, offload_addr %pI4\n",
3748 vif->cfg.arp_addr_cnt,
3749 vif->addr, arvif->arp_ns_offload.ipv4_addr);
3750 }
3751
3752 mutex_unlock(&ar->conf_mutex);
3753 }
3754
__ath11k_mac_scan_finish(struct ath11k * ar)3755 void __ath11k_mac_scan_finish(struct ath11k *ar)
3756 {
3757 lockdep_assert_held(&ar->data_lock);
3758
3759 switch (ar->scan.state) {
3760 case ATH11K_SCAN_IDLE:
3761 break;
3762 case ATH11K_SCAN_RUNNING:
3763 case ATH11K_SCAN_ABORTING:
3764 if (ar->scan.is_roc && ar->scan.roc_notify)
3765 ieee80211_remain_on_channel_expired(ar->hw);
3766 fallthrough;
3767 case ATH11K_SCAN_STARTING:
3768 if (!ar->scan.is_roc) {
3769 struct cfg80211_scan_info info = {
3770 .aborted = ((ar->scan.state ==
3771 ATH11K_SCAN_ABORTING) ||
3772 (ar->scan.state ==
3773 ATH11K_SCAN_STARTING)),
3774 };
3775
3776 ieee80211_scan_completed(ar->hw, &info);
3777 }
3778
3779 ar->scan.state = ATH11K_SCAN_IDLE;
3780 ar->scan_channel = NULL;
3781 ar->scan.roc_freq = 0;
3782 cancel_delayed_work(&ar->scan.timeout);
3783 complete_all(&ar->scan.completed);
3784 break;
3785 }
3786 }
3787
ath11k_mac_scan_finish(struct ath11k * ar)3788 void ath11k_mac_scan_finish(struct ath11k *ar)
3789 {
3790 spin_lock_bh(&ar->data_lock);
3791 __ath11k_mac_scan_finish(ar);
3792 spin_unlock_bh(&ar->data_lock);
3793 }
3794
ath11k_scan_stop(struct ath11k * ar)3795 static int ath11k_scan_stop(struct ath11k *ar)
3796 {
3797 struct scan_cancel_param arg = {
3798 .req_type = WLAN_SCAN_CANCEL_SINGLE,
3799 .scan_id = ATH11K_SCAN_ID,
3800 };
3801 int ret;
3802
3803 lockdep_assert_held(&ar->conf_mutex);
3804
3805 /* TODO: Fill other STOP Params */
3806 arg.pdev_id = ar->pdev->pdev_id;
3807
3808 ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg);
3809 if (ret) {
3810 ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret);
3811 goto out;
3812 }
3813
3814 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ);
3815 if (ret == 0) {
3816 ath11k_warn(ar->ab,
3817 "failed to receive scan abort comple: timed out\n");
3818 ret = -ETIMEDOUT;
3819 } else if (ret > 0) {
3820 ret = 0;
3821 }
3822
3823 out:
3824 /* Scan state should be updated upon scan completion but in case
3825 * firmware fails to deliver the event (for whatever reason) it is
3826 * desired to clean up scan state anyway. Firmware may have just
3827 * dropped the scan completion event delivery due to transport pipe
3828 * being overflown with data and/or it can recover on its own before
3829 * next scan request is submitted.
3830 */
3831 spin_lock_bh(&ar->data_lock);
3832 if (ar->scan.state != ATH11K_SCAN_IDLE)
3833 __ath11k_mac_scan_finish(ar);
3834 spin_unlock_bh(&ar->data_lock);
3835
3836 return ret;
3837 }
3838
ath11k_scan_abort(struct ath11k * ar)3839 static void ath11k_scan_abort(struct ath11k *ar)
3840 {
3841 int ret;
3842
3843 lockdep_assert_held(&ar->conf_mutex);
3844
3845 spin_lock_bh(&ar->data_lock);
3846
3847 switch (ar->scan.state) {
3848 case ATH11K_SCAN_IDLE:
3849 /* This can happen if timeout worker kicked in and called
3850 * abortion while scan completion was being processed.
3851 */
3852 break;
3853 case ATH11K_SCAN_STARTING:
3854 case ATH11K_SCAN_ABORTING:
3855 ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n",
3856 ar->scan.state);
3857 break;
3858 case ATH11K_SCAN_RUNNING:
3859 ar->scan.state = ATH11K_SCAN_ABORTING;
3860 spin_unlock_bh(&ar->data_lock);
3861
3862 ret = ath11k_scan_stop(ar);
3863 if (ret)
3864 ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret);
3865
3866 spin_lock_bh(&ar->data_lock);
3867 break;
3868 }
3869
3870 spin_unlock_bh(&ar->data_lock);
3871 }
3872
ath11k_scan_timeout_work(struct work_struct * work)3873 static void ath11k_scan_timeout_work(struct work_struct *work)
3874 {
3875 struct ath11k *ar = container_of(work, struct ath11k,
3876 scan.timeout.work);
3877
3878 mutex_lock(&ar->conf_mutex);
3879 ath11k_scan_abort(ar);
3880 mutex_unlock(&ar->conf_mutex);
3881 }
3882
ath11k_start_scan(struct ath11k * ar,struct scan_req_params * arg)3883 static int ath11k_start_scan(struct ath11k *ar,
3884 struct scan_req_params *arg)
3885 {
3886 int ret;
3887 unsigned long timeout = 1 * HZ;
3888
3889 lockdep_assert_held(&ar->conf_mutex);
3890
3891 if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND)
3892 ath11k_spectral_reset_buffer(ar);
3893
3894 ret = ath11k_wmi_send_scan_start_cmd(ar, arg);
3895 if (ret)
3896 return ret;
3897
3898 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) {
3899 timeout = 5 * HZ;
3900
3901 if (ar->supports_6ghz)
3902 timeout += 5 * HZ;
3903 }
3904
3905 ret = wait_for_completion_timeout(&ar->scan.started, timeout);
3906 if (ret == 0) {
3907 ret = ath11k_scan_stop(ar);
3908 if (ret)
3909 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret);
3910
3911 return -ETIMEDOUT;
3912 }
3913
3914 /* If we failed to start the scan, return error code at
3915 * this point. This is probably due to some issue in the
3916 * firmware, but no need to wedge the driver due to that...
3917 */
3918 spin_lock_bh(&ar->data_lock);
3919 if (ar->scan.state == ATH11K_SCAN_IDLE) {
3920 spin_unlock_bh(&ar->data_lock);
3921 return -EINVAL;
3922 }
3923 spin_unlock_bh(&ar->data_lock);
3924
3925 return 0;
3926 }
3927
ath11k_mac_op_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * hw_req)3928 static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
3929 struct ieee80211_vif *vif,
3930 struct ieee80211_scan_request *hw_req)
3931 {
3932 struct ath11k *ar = hw->priv;
3933 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3934 struct cfg80211_scan_request *req = &hw_req->req;
3935 struct scan_req_params *arg = NULL;
3936 int ret = 0;
3937 int i;
3938 u32 scan_timeout;
3939
3940 /* Firmwares advertising the support of triggering 11D algorithm
3941 * on the scan results of a regular scan expects driver to send
3942 * WMI_11D_SCAN_START_CMDID before sending WMI_START_SCAN_CMDID.
3943 * With this feature, separate 11D scan can be avoided since
3944 * regdomain can be determined with the scan results of the
3945 * regular scan.
3946 */
3947 if (ar->state_11d == ATH11K_11D_PREPARING &&
3948 test_bit(WMI_TLV_SERVICE_SUPPORT_11D_FOR_HOST_SCAN,
3949 ar->ab->wmi_ab.svc_map))
3950 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);
3951
3952 mutex_lock(&ar->conf_mutex);
3953
3954 spin_lock_bh(&ar->data_lock);
3955 switch (ar->scan.state) {
3956 case ATH11K_SCAN_IDLE:
3957 reinit_completion(&ar->scan.started);
3958 reinit_completion(&ar->scan.completed);
3959 ar->scan.state = ATH11K_SCAN_STARTING;
3960 ar->scan.is_roc = false;
3961 ar->scan.vdev_id = arvif->vdev_id;
3962 ret = 0;
3963 break;
3964 case ATH11K_SCAN_STARTING:
3965 case ATH11K_SCAN_RUNNING:
3966 case ATH11K_SCAN_ABORTING:
3967 ret = -EBUSY;
3968 break;
3969 }
3970 spin_unlock_bh(&ar->data_lock);
3971
3972 if (ret)
3973 goto exit;
3974
3975 arg = kzalloc(sizeof(*arg), GFP_KERNEL);
3976
3977 if (!arg) {
3978 ret = -ENOMEM;
3979 goto exit;
3980 }
3981
3982 ath11k_wmi_start_scan_init(ar, arg);
3983 arg->vdev_id = arvif->vdev_id;
3984 arg->scan_id = ATH11K_SCAN_ID;
3985
3986 if (req->ie_len) {
3987 arg->extraie.ptr = kmemdup(req->ie, req->ie_len, GFP_KERNEL);
3988 if (!arg->extraie.ptr) {
3989 ret = -ENOMEM;
3990 goto exit;
3991 }
3992 arg->extraie.len = req->ie_len;
3993 }
3994
3995 if (req->n_ssids) {
3996 arg->num_ssids = req->n_ssids;
3997 for (i = 0; i < arg->num_ssids; i++) {
3998 arg->ssid[i].length = req->ssids[i].ssid_len;
3999 memcpy(&arg->ssid[i].ssid, req->ssids[i].ssid,
4000 req->ssids[i].ssid_len);
4001 }
4002 } else {
4003 arg->scan_flags |= WMI_SCAN_FLAG_PASSIVE;
4004 }
4005
4006 if (req->n_channels) {
4007 arg->num_chan = req->n_channels;
4008 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list),
4009 GFP_KERNEL);
4010
4011 if (!arg->chan_list) {
4012 ret = -ENOMEM;
4013 goto exit;
4014 }
4015
4016 for (i = 0; i < arg->num_chan; i++) {
4017 if (test_bit(WMI_TLV_SERVICE_SCAN_CONFIG_PER_CHANNEL,
4018 ar->ab->wmi_ab.svc_map)) {
4019 arg->chan_list[i] =
4020 u32_encode_bits(req->channels[i]->center_freq,
4021 WMI_SCAN_CONFIG_PER_CHANNEL_MASK);
4022
4023 /* If NL80211_SCAN_FLAG_COLOCATED_6GHZ is set in scan
4024 * flags, then scan all PSC channels in 6 GHz band and
4025 * those non-PSC channels where RNR IE is found during
4026 * the legacy 2.4/5 GHz scan.
4027 * If NL80211_SCAN_FLAG_COLOCATED_6GHZ is not set,
4028 * then all channels in 6 GHz will be scanned.
4029 */
4030 if (req->channels[i]->band == NL80211_BAND_6GHZ &&
4031 req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ &&
4032 !cfg80211_channel_is_psc(req->channels[i]))
4033 arg->chan_list[i] |=
4034 WMI_SCAN_CH_FLAG_SCAN_ONLY_IF_RNR_FOUND;
4035 } else {
4036 arg->chan_list[i] = req->channels[i]->center_freq;
4037 }
4038 }
4039 }
4040
4041 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
4042 arg->scan_f_add_spoofed_mac_in_probe = 1;
4043 ether_addr_copy(arg->mac_addr.addr, req->mac_addr);
4044 ether_addr_copy(arg->mac_mask.addr, req->mac_addr_mask);
4045 }
4046
4047 /* if duration is set, default dwell times will be overwritten */
4048 if (req->duration) {
4049 arg->dwell_time_active = req->duration;
4050 arg->dwell_time_active_2g = req->duration;
4051 arg->dwell_time_active_6g = req->duration;
4052 arg->dwell_time_passive = req->duration;
4053 arg->dwell_time_passive_6g = req->duration;
4054 arg->burst_duration = req->duration;
4055
4056 scan_timeout = min_t(u32, arg->max_rest_time *
4057 (arg->num_chan - 1) + (req->duration +
4058 ATH11K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) *
4059 arg->num_chan, arg->max_scan_time);
4060 } else {
4061 scan_timeout = arg->max_scan_time;
4062 }
4063
4064 /* Add a margin to account for event/command processing */
4065 scan_timeout += ATH11K_MAC_SCAN_CMD_EVT_OVERHEAD;
4066
4067 ret = ath11k_start_scan(ar, arg);
4068 if (ret) {
4069 ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret);
4070 spin_lock_bh(&ar->data_lock);
4071 ar->scan.state = ATH11K_SCAN_IDLE;
4072 spin_unlock_bh(&ar->data_lock);
4073 }
4074
4075 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
4076 msecs_to_jiffies(scan_timeout));
4077
4078 exit:
4079 if (arg) {
4080 kfree(arg->chan_list);
4081 kfree(arg->extraie.ptr);
4082 kfree(arg);
4083 }
4084
4085 mutex_unlock(&ar->conf_mutex);
4086
4087 if (ar->state_11d == ATH11K_11D_PREPARING)
4088 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);
4089
4090 return ret;
4091 }
4092
ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)4093 static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw,
4094 struct ieee80211_vif *vif)
4095 {
4096 struct ath11k *ar = hw->priv;
4097
4098 mutex_lock(&ar->conf_mutex);
4099 ath11k_scan_abort(ar);
4100 mutex_unlock(&ar->conf_mutex);
4101
4102 cancel_delayed_work_sync(&ar->scan.timeout);
4103 }
4104
ath11k_install_key(struct ath11k_vif * arvif,struct ieee80211_key_conf * key,enum set_key_cmd cmd,const u8 * macaddr,u32 flags)4105 static int ath11k_install_key(struct ath11k_vif *arvif,
4106 struct ieee80211_key_conf *key,
4107 enum set_key_cmd cmd,
4108 const u8 *macaddr, u32 flags)
4109 {
4110 int ret;
4111 struct ath11k *ar = arvif->ar;
4112 struct wmi_vdev_install_key_arg arg = {
4113 .vdev_id = arvif->vdev_id,
4114 .key_idx = key->keyidx,
4115 .key_len = key->keylen,
4116 .key_data = key->key,
4117 .key_flags = flags,
4118 .macaddr = macaddr,
4119 };
4120
4121 lockdep_assert_held(&arvif->ar->conf_mutex);
4122
4123 reinit_completion(&ar->install_key_done);
4124
4125 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
4126 return 0;
4127
4128 if (cmd == DISABLE_KEY) {
4129 arg.key_cipher = WMI_CIPHER_NONE;
4130 arg.key_data = NULL;
4131 goto install;
4132 }
4133
4134 switch (key->cipher) {
4135 case WLAN_CIPHER_SUITE_CCMP:
4136 arg.key_cipher = WMI_CIPHER_AES_CCM;
4137 /* TODO: Re-check if flag is valid */
4138 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
4139 break;
4140 case WLAN_CIPHER_SUITE_TKIP:
4141 arg.key_cipher = WMI_CIPHER_TKIP;
4142 arg.key_txmic_len = 8;
4143 arg.key_rxmic_len = 8;
4144 break;
4145 case WLAN_CIPHER_SUITE_CCMP_256:
4146 arg.key_cipher = WMI_CIPHER_AES_CCM;
4147 break;
4148 case WLAN_CIPHER_SUITE_GCMP:
4149 case WLAN_CIPHER_SUITE_GCMP_256:
4150 arg.key_cipher = WMI_CIPHER_AES_GCM;
4151 break;
4152 default:
4153 ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher);
4154 return -EOPNOTSUPP;
4155 }
4156
4157 if (test_bit(ATH11K_FLAG_RAW_MODE, &ar->ab->dev_flags))
4158 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV |
4159 IEEE80211_KEY_FLAG_RESERVE_TAILROOM;
4160
4161 install:
4162 ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg);
4163
4164 if (ret)
4165 return ret;
4166
4167 if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ))
4168 return -ETIMEDOUT;
4169
4170 return ar->install_key_status ? -EINVAL : 0;
4171 }
4172
ath11k_clear_peer_keys(struct ath11k_vif * arvif,const u8 * addr)4173 static int ath11k_clear_peer_keys(struct ath11k_vif *arvif,
4174 const u8 *addr)
4175 {
4176 struct ath11k *ar = arvif->ar;
4177 struct ath11k_base *ab = ar->ab;
4178 struct ath11k_peer *peer;
4179 int first_errno = 0;
4180 int ret;
4181 int i;
4182 u32 flags = 0;
4183
4184 lockdep_assert_held(&ar->conf_mutex);
4185
4186 spin_lock_bh(&ab->base_lock);
4187 peer = ath11k_peer_find(ab, arvif->vdev_id, addr);
4188 spin_unlock_bh(&ab->base_lock);
4189
4190 if (!peer)
4191 return -ENOENT;
4192
4193 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
4194 if (!peer->keys[i])
4195 continue;
4196
4197 /* key flags are not required to delete the key */
4198 ret = ath11k_install_key(arvif, peer->keys[i],
4199 DISABLE_KEY, addr, flags);
4200 if (ret < 0 && first_errno == 0)
4201 first_errno = ret;
4202
4203 if (ret < 0)
4204 ath11k_warn(ab, "failed to remove peer key %d: %d\n",
4205 i, ret);
4206
4207 spin_lock_bh(&ab->base_lock);
4208 peer->keys[i] = NULL;
4209 spin_unlock_bh(&ab->base_lock);
4210 }
4211
4212 return first_errno;
4213 }
4214
ath11k_mac_op_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)4215 static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4216 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4217 struct ieee80211_key_conf *key)
4218 {
4219 struct ath11k *ar = hw->priv;
4220 struct ath11k_base *ab = ar->ab;
4221 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4222 struct ath11k_peer *peer;
4223 struct ath11k_sta *arsta;
4224 const u8 *peer_addr;
4225 int ret = 0;
4226 u32 flags = 0;
4227
4228 /* BIP needs to be done in software */
4229 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
4230 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
4231 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||
4232 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)
4233 return 1;
4234
4235 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
4236 return 1;
4237
4238 if (key->keyidx > WMI_MAX_KEY_INDEX)
4239 return -ENOSPC;
4240
4241 mutex_lock(&ar->conf_mutex);
4242
4243 if (sta)
4244 peer_addr = sta->addr;
4245 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
4246 peer_addr = vif->bss_conf.bssid;
4247 else
4248 peer_addr = vif->addr;
4249
4250 key->hw_key_idx = key->keyidx;
4251
4252 /* the peer should not disappear in mid-way (unless FW goes awry) since
4253 * we already hold conf_mutex. we just make sure its there now.
4254 */
4255 spin_lock_bh(&ab->base_lock);
4256 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);
4257
4258 /* flush the fragments cache during key (re)install to
4259 * ensure all frags in the new frag list belong to the same key.
4260 */
4261 if (peer && sta && cmd == SET_KEY)
4262 ath11k_peer_frags_flush(ar, peer);
4263 spin_unlock_bh(&ab->base_lock);
4264
4265 if (!peer) {
4266 if (cmd == SET_KEY) {
4267 ath11k_warn(ab, "cannot install key for non-existent peer %pM\n",
4268 peer_addr);
4269 ret = -EOPNOTSUPP;
4270 goto exit;
4271 } else {
4272 /* if the peer doesn't exist there is no key to disable
4273 * anymore
4274 */
4275 goto exit;
4276 }
4277 }
4278
4279 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4280 flags |= WMI_KEY_PAIRWISE;
4281 else
4282 flags |= WMI_KEY_GROUP;
4283
4284 ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags);
4285 if (ret) {
4286 ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret);
4287 goto exit;
4288 }
4289
4290 ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key);
4291 if (ret) {
4292 ath11k_warn(ab, "failed to offload PN replay detection %d\n", ret);
4293 goto exit;
4294 }
4295
4296 spin_lock_bh(&ab->base_lock);
4297 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);
4298 if (peer && cmd == SET_KEY) {
4299 peer->keys[key->keyidx] = key;
4300 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
4301 peer->ucast_keyidx = key->keyidx;
4302 peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher);
4303 } else {
4304 peer->mcast_keyidx = key->keyidx;
4305 peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher);
4306 }
4307 } else if (peer && cmd == DISABLE_KEY) {
4308 peer->keys[key->keyidx] = NULL;
4309 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4310 peer->ucast_keyidx = 0;
4311 else
4312 peer->mcast_keyidx = 0;
4313 } else if (!peer)
4314 /* impossible unless FW goes crazy */
4315 ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr);
4316
4317 if (sta) {
4318 arsta = ath11k_sta_to_arsta(sta);
4319
4320 switch (key->cipher) {
4321 case WLAN_CIPHER_SUITE_TKIP:
4322 case WLAN_CIPHER_SUITE_CCMP:
4323 case WLAN_CIPHER_SUITE_CCMP_256:
4324 case WLAN_CIPHER_SUITE_GCMP:
4325 case WLAN_CIPHER_SUITE_GCMP_256:
4326 if (cmd == SET_KEY)
4327 arsta->pn_type = HAL_PN_TYPE_WPA;
4328 else
4329 arsta->pn_type = HAL_PN_TYPE_NONE;
4330 break;
4331 default:
4332 arsta->pn_type = HAL_PN_TYPE_NONE;
4333 break;
4334 }
4335 }
4336
4337 spin_unlock_bh(&ab->base_lock);
4338
4339 exit:
4340 mutex_unlock(&ar->conf_mutex);
4341 return ret;
4342 }
4343
4344 static int
ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)4345 ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar,
4346 enum nl80211_band band,
4347 const struct cfg80211_bitrate_mask *mask)
4348 {
4349 int num_rates = 0;
4350 int i;
4351
4352 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
4353 num_rates += hweight8(mask->control[band].ht_mcs[i]);
4354
4355 return num_rates;
4356 }
4357
4358 static int
ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)4359 ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar,
4360 enum nl80211_band band,
4361 const struct cfg80211_bitrate_mask *mask)
4362 {
4363 int num_rates = 0;
4364 int i;
4365
4366 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
4367 num_rates += hweight16(mask->control[band].vht_mcs[i]);
4368
4369 return num_rates;
4370 }
4371
4372 static int
ath11k_mac_bitrate_mask_num_he_rates(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)4373 ath11k_mac_bitrate_mask_num_he_rates(struct ath11k *ar,
4374 enum nl80211_band band,
4375 const struct cfg80211_bitrate_mask *mask)
4376 {
4377 int num_rates = 0;
4378 int i;
4379
4380 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++)
4381 num_rates += hweight16(mask->control[band].he_mcs[i]);
4382
4383 return num_rates;
4384 }
4385
4386 static int
ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif * arvif,struct ieee80211_sta * sta,const struct cfg80211_bitrate_mask * mask,enum nl80211_band band)4387 ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif,
4388 struct ieee80211_sta *sta,
4389 const struct cfg80211_bitrate_mask *mask,
4390 enum nl80211_band band)
4391 {
4392 struct ath11k *ar = arvif->ar;
4393 u8 vht_rate, nss;
4394 u32 rate_code;
4395 int ret, i;
4396
4397 lockdep_assert_held(&ar->conf_mutex);
4398
4399 nss = 0;
4400
4401 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
4402 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
4403 nss = i + 1;
4404 vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;
4405 }
4406 }
4407
4408 if (!nss) {
4409 ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM",
4410 sta->addr);
4411 return -EINVAL;
4412 }
4413
4414 /* Avoid updating invalid nss as fixed rate*/
4415 if (nss > sta->deflink.rx_nss)
4416 return -EINVAL;
4417
4418 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
4419 "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates",
4420 sta->addr);
4421
4422 rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1,
4423 WMI_RATE_PREAMBLE_VHT);
4424 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
4425 arvif->vdev_id,
4426 WMI_PEER_PARAM_FIXED_RATE,
4427 rate_code);
4428 if (ret)
4429 ath11k_warn(ar->ab,
4430 "failed to update STA %pM Fixed Rate %d: %d\n",
4431 sta->addr, rate_code, ret);
4432
4433 return ret;
4434 }
4435
4436 static int
ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif * arvif,struct ieee80211_sta * sta,const struct cfg80211_bitrate_mask * mask,enum nl80211_band band)4437 ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif *arvif,
4438 struct ieee80211_sta *sta,
4439 const struct cfg80211_bitrate_mask *mask,
4440 enum nl80211_band band)
4441 {
4442 struct ath11k *ar = arvif->ar;
4443 u8 he_rate, nss;
4444 u32 rate_code;
4445 int ret, i;
4446
4447 lockdep_assert_held(&ar->conf_mutex);
4448
4449 nss = 0;
4450
4451 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) {
4452 if (hweight16(mask->control[band].he_mcs[i]) == 1) {
4453 nss = i + 1;
4454 he_rate = ffs(mask->control[band].he_mcs[i]) - 1;
4455 }
4456 }
4457
4458 if (!nss) {
4459 ath11k_warn(ar->ab, "No single he fixed rate found to set for %pM",
4460 sta->addr);
4461 return -EINVAL;
4462 }
4463
4464 /* Avoid updating invalid nss as fixed rate */
4465 if (nss > sta->deflink.rx_nss)
4466 return -EINVAL;
4467
4468 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
4469 "setting fixed he rate for peer %pM, device will not switch to any other selected rates",
4470 sta->addr);
4471
4472 rate_code = ATH11K_HW_RATE_CODE(he_rate, nss - 1,
4473 WMI_RATE_PREAMBLE_HE);
4474
4475 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
4476 arvif->vdev_id,
4477 WMI_PEER_PARAM_FIXED_RATE,
4478 rate_code);
4479 if (ret)
4480 ath11k_warn(ar->ab,
4481 "failed to update sta %pM fixed rate %d: %d\n",
4482 sta->addr, rate_code, ret);
4483
4484 return ret;
4485 }
4486
4487 static int
ath11k_mac_set_peer_ht_fixed_rate(struct ath11k_vif * arvif,struct ieee80211_sta * sta,const struct cfg80211_bitrate_mask * mask,enum nl80211_band band)4488 ath11k_mac_set_peer_ht_fixed_rate(struct ath11k_vif *arvif,
4489 struct ieee80211_sta *sta,
4490 const struct cfg80211_bitrate_mask *mask,
4491 enum nl80211_band band)
4492 {
4493 struct ath11k *ar = arvif->ar;
4494 u8 ht_rate, nss = 0;
4495 u32 rate_code;
4496 int ret, i;
4497
4498 lockdep_assert_held(&ar->conf_mutex);
4499
4500 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
4501 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
4502 nss = i + 1;
4503 ht_rate = ffs(mask->control[band].ht_mcs[i]) - 1;
4504 }
4505 }
4506
4507 if (!nss) {
4508 ath11k_warn(ar->ab, "No single HT Fixed rate found to set for %pM",
4509 sta->addr);
4510 return -EINVAL;
4511 }
4512
4513 /* Avoid updating invalid nss as fixed rate*/
4514 if (nss > sta->deflink.rx_nss)
4515 return -EINVAL;
4516
4517 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
4518 "Setting Fixed HT Rate for peer %pM. Device will not switch to any other selected rates",
4519 sta->addr);
4520
4521 rate_code = ATH11K_HW_RATE_CODE(ht_rate, nss - 1,
4522 WMI_RATE_PREAMBLE_HT);
4523 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
4524 arvif->vdev_id,
4525 WMI_PEER_PARAM_FIXED_RATE,
4526 rate_code);
4527 if (ret)
4528 ath11k_warn(ar->ab,
4529 "failed to update STA %pM HT Fixed Rate %d: %d\n",
4530 sta->addr, rate_code, ret);
4531
4532 return ret;
4533 }
4534
ath11k_station_assoc(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool reassoc)4535 static int ath11k_station_assoc(struct ath11k *ar,
4536 struct ieee80211_vif *vif,
4537 struct ieee80211_sta *sta,
4538 bool reassoc)
4539 {
4540 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4541 struct peer_assoc_params peer_arg;
4542 int ret = 0;
4543 struct cfg80211_chan_def def;
4544 enum nl80211_band band;
4545 struct cfg80211_bitrate_mask *mask;
4546 u8 num_ht_rates, num_vht_rates, num_he_rates;
4547
4548 lockdep_assert_held(&ar->conf_mutex);
4549
4550 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
4551 return -EPERM;
4552
4553 band = def.chan->band;
4554 mask = &arvif->bitrate_mask;
4555
4556 ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc);
4557
4558 peer_arg.is_assoc = true;
4559 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
4560 if (ret) {
4561 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
4562 sta->addr, arvif->vdev_id, ret);
4563 return ret;
4564 }
4565
4566 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
4567 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
4568 sta->addr, arvif->vdev_id);
4569 return -ETIMEDOUT;
4570 }
4571
4572 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask);
4573 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask);
4574 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask);
4575
4576 /* If single VHT/HE rate is configured (by set_bitrate_mask()),
4577 * peer_assoc will disable VHT/HE. This is now enabled by a peer specific
4578 * fixed param.
4579 * Note that all other rates and NSS will be disabled for this peer.
4580 */
4581 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {
4582 ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
4583 band);
4584 if (ret)
4585 return ret;
4586 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) {
4587 ret = ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask,
4588 band);
4589 if (ret)
4590 return ret;
4591 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) {
4592 ret = ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask,
4593 band);
4594 if (ret)
4595 return ret;
4596 }
4597
4598 /* Re-assoc is run only to update supported rates for given station. It
4599 * doesn't make much sense to reconfigure the peer completely.
4600 */
4601 if (reassoc)
4602 return 0;
4603
4604 ret = ath11k_setup_peer_smps(ar, arvif, sta->addr,
4605 &sta->deflink.ht_cap,
4606 le16_to_cpu(sta->deflink.he_6ghz_capa.capa));
4607 if (ret) {
4608 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
4609 arvif->vdev_id, ret);
4610 return ret;
4611 }
4612
4613 if (!sta->wme) {
4614 arvif->num_legacy_stations++;
4615 ret = ath11k_recalc_rtscts_prot(arvif);
4616 if (ret)
4617 return ret;
4618 }
4619
4620 if (sta->wme && sta->uapsd_queues) {
4621 ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta);
4622 if (ret) {
4623 ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n",
4624 sta->addr, arvif->vdev_id, ret);
4625 return ret;
4626 }
4627 }
4628
4629 return 0;
4630 }
4631
ath11k_station_disassoc(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta)4632 static int ath11k_station_disassoc(struct ath11k *ar,
4633 struct ieee80211_vif *vif,
4634 struct ieee80211_sta *sta)
4635 {
4636 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4637 int ret = 0;
4638
4639 lockdep_assert_held(&ar->conf_mutex);
4640
4641 if (!sta->wme) {
4642 arvif->num_legacy_stations--;
4643 ret = ath11k_recalc_rtscts_prot(arvif);
4644 if (ret)
4645 return ret;
4646 }
4647
4648 ret = ath11k_clear_peer_keys(arvif, sta->addr);
4649 if (ret) {
4650 ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n",
4651 arvif->vdev_id, ret);
4652 return ret;
4653 }
4654 return 0;
4655 }
4656
ath11k_mac_max_nss(const u8 * ht_mcs_mask,const u16 * vht_mcs_mask,const u16 * he_mcs_mask)4657 static u32 ath11k_mac_max_nss(const u8 *ht_mcs_mask, const u16 *vht_mcs_mask,
4658 const u16 *he_mcs_mask)
4659 {
4660 return max3(ath11k_mac_max_ht_nss(ht_mcs_mask),
4661 ath11k_mac_max_vht_nss(vht_mcs_mask),
4662 ath11k_mac_max_he_nss(he_mcs_mask));
4663 }
4664
ath11k_sta_rc_update_wk(struct work_struct * wk)4665 static void ath11k_sta_rc_update_wk(struct work_struct *wk)
4666 {
4667 struct ath11k *ar;
4668 struct ath11k_vif *arvif;
4669 struct ath11k_sta *arsta;
4670 struct ieee80211_sta *sta;
4671 struct cfg80211_chan_def def;
4672 enum nl80211_band band;
4673 const u8 *ht_mcs_mask;
4674 const u16 *vht_mcs_mask;
4675 const u16 *he_mcs_mask;
4676 u32 changed, bw, nss, smps, bw_prev;
4677 int err, num_ht_rates, num_vht_rates, num_he_rates;
4678 const struct cfg80211_bitrate_mask *mask;
4679 struct peer_assoc_params peer_arg;
4680 enum wmi_phy_mode peer_phymode;
4681
4682 arsta = container_of(wk, struct ath11k_sta, update_wk);
4683 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
4684 arvif = arsta->arvif;
4685 ar = arvif->ar;
4686
4687 if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def)))
4688 return;
4689
4690 band = def.chan->band;
4691 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
4692 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
4693 he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs;
4694
4695 spin_lock_bh(&ar->data_lock);
4696
4697 changed = arsta->changed;
4698 arsta->changed = 0;
4699
4700 bw = arsta->bw;
4701 bw_prev = arsta->bw_prev;
4702 nss = arsta->nss;
4703 smps = arsta->smps;
4704
4705 spin_unlock_bh(&ar->data_lock);
4706
4707 mutex_lock(&ar->conf_mutex);
4708
4709 nss = max_t(u32, 1, nss);
4710 nss = min(nss, ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask));
4711
4712 if (changed & IEEE80211_RC_BW_CHANGED) {
4713 /* Get the peer phymode */
4714 ath11k_peer_assoc_h_phymode(ar, arvif->vif, sta, &peer_arg);
4715 peer_phymode = peer_arg.peer_phymode;
4716
4717 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM peer bw %d phymode %d\n",
4718 sta->addr, bw, peer_phymode);
4719
4720 if (bw > bw_prev) {
4721 /* BW is upgraded. In this case we send WMI_PEER_PHYMODE
4722 * followed by WMI_PEER_CHWIDTH
4723 */
4724 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW upgrade for sta %pM new BW %d, old BW %d\n",
4725 sta->addr, bw, bw_prev);
4726
4727 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4728 WMI_PEER_PHYMODE, peer_phymode);
4729
4730 if (err) {
4731 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n",
4732 sta->addr, peer_phymode, err);
4733 goto err_rc_bw_changed;
4734 }
4735
4736 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4737 WMI_PEER_CHWIDTH, bw);
4738
4739 if (err)
4740 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",
4741 sta->addr, bw, err);
4742 } else {
4743 /* BW is downgraded. In this case we send WMI_PEER_CHWIDTH
4744 * followed by WMI_PEER_PHYMODE
4745 */
4746 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "BW downgrade for sta %pM new BW %d,old BW %d\n",
4747 sta->addr, bw, bw_prev);
4748
4749 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4750 WMI_PEER_CHWIDTH, bw);
4751
4752 if (err) {
4753 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",
4754 sta->addr, bw, err);
4755 goto err_rc_bw_changed;
4756 }
4757
4758 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4759 WMI_PEER_PHYMODE, peer_phymode);
4760
4761 if (err)
4762 ath11k_warn(ar->ab, "failed to update STA %pM peer phymode %d: %d\n",
4763 sta->addr, peer_phymode, err);
4764 }
4765 }
4766
4767 if (changed & IEEE80211_RC_NSS_CHANGED) {
4768 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM nss %d\n",
4769 sta->addr, nss);
4770
4771 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4772 WMI_PEER_NSS, nss);
4773 if (err)
4774 ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n",
4775 sta->addr, nss, err);
4776 }
4777
4778 if (changed & IEEE80211_RC_SMPS_CHANGED) {
4779 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "update sta %pM smps %d\n",
4780 sta->addr, smps);
4781
4782 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
4783 WMI_PEER_MIMO_PS_STATE, smps);
4784 if (err)
4785 ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n",
4786 sta->addr, smps, err);
4787 }
4788
4789 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
4790 mask = &arvif->bitrate_mask;
4791 num_ht_rates = ath11k_mac_bitrate_mask_num_ht_rates(ar, band,
4792 mask);
4793 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,
4794 mask);
4795 num_he_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band,
4796 mask);
4797
4798 /* Peer_assoc_prepare will reject vht rates in
4799 * bitrate_mask if its not available in range format and
4800 * sets vht tx_rateset as unsupported. So multiple VHT MCS
4801 * setting(eg. MCS 4,5,6) per peer is not supported here.
4802 * But, Single rate in VHT mask can be set as per-peer
4803 * fixed rate. But even if any HT rates are configured in
4804 * the bitrate mask, device will not switch to those rates
4805 * when per-peer Fixed rate is set.
4806 * TODO: Check RATEMASK_CMDID to support auto rates selection
4807 * across HT/VHT and for multiple VHT MCS support.
4808 */
4809 if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) {
4810 ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
4811 band);
4812 } else if (sta->deflink.he_cap.has_he && num_he_rates == 1) {
4813 ath11k_mac_set_peer_he_fixed_rate(arvif, sta, mask,
4814 band);
4815 } else if (sta->deflink.ht_cap.ht_supported && num_ht_rates == 1) {
4816 ath11k_mac_set_peer_ht_fixed_rate(arvif, sta, mask,
4817 band);
4818 } else {
4819 /* If the peer is non-VHT/HE or no fixed VHT/HE rate
4820 * is provided in the new bitrate mask we set the
4821 * other rates using peer_assoc command. Also clear
4822 * the peer fixed rate settings as it has higher proprity
4823 * than peer assoc
4824 */
4825 err = ath11k_wmi_set_peer_param(ar, sta->addr,
4826 arvif->vdev_id,
4827 WMI_PEER_PARAM_FIXED_RATE,
4828 WMI_FIXED_RATE_NONE);
4829 if (err)
4830 ath11k_warn(ar->ab,
4831 "failed to disable peer fixed rate for sta %pM: %d\n",
4832 sta->addr, err);
4833
4834 ath11k_peer_assoc_prepare(ar, arvif->vif, sta,
4835 &peer_arg, true);
4836
4837 peer_arg.is_assoc = false;
4838 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
4839 if (err)
4840 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
4841 sta->addr, arvif->vdev_id, err);
4842
4843 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ))
4844 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
4845 sta->addr, arvif->vdev_id);
4846 }
4847 }
4848
4849 err_rc_bw_changed:
4850 mutex_unlock(&ar->conf_mutex);
4851 }
4852
ath11k_sta_set_4addr_wk(struct work_struct * wk)4853 static void ath11k_sta_set_4addr_wk(struct work_struct *wk)
4854 {
4855 struct ath11k *ar;
4856 struct ath11k_vif *arvif;
4857 struct ath11k_sta *arsta;
4858 struct ieee80211_sta *sta;
4859 int ret = 0;
4860
4861 arsta = container_of(wk, struct ath11k_sta, set_4addr_wk);
4862 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
4863 arvif = arsta->arvif;
4864 ar = arvif->ar;
4865
4866 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
4867 "setting USE_4ADDR for peer %pM\n", sta->addr);
4868
4869 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
4870 arvif->vdev_id,
4871 WMI_PEER_USE_4ADDR, 1);
4872
4873 if (ret)
4874 ath11k_warn(ar->ab, "failed to set peer %pM 4addr capability: %d\n",
4875 sta->addr, ret);
4876 }
4877
ath11k_mac_inc_num_stations(struct ath11k_vif * arvif,struct ieee80211_sta * sta)4878 static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif,
4879 struct ieee80211_sta *sta)
4880 {
4881 struct ath11k *ar = arvif->ar;
4882
4883 lockdep_assert_held(&ar->conf_mutex);
4884
4885 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
4886 return 0;
4887
4888 if (ar->num_stations >= ar->max_num_stations)
4889 return -ENOBUFS;
4890
4891 ar->num_stations++;
4892
4893 return 0;
4894 }
4895
ath11k_mac_dec_num_stations(struct ath11k_vif * arvif,struct ieee80211_sta * sta)4896 static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif,
4897 struct ieee80211_sta *sta)
4898 {
4899 struct ath11k *ar = arvif->ar;
4900
4901 lockdep_assert_held(&ar->conf_mutex);
4902
4903 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
4904 return;
4905
4906 ar->num_stations--;
4907 }
4908
ath11k_mac_station_add(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta)4909 static int ath11k_mac_station_add(struct ath11k *ar,
4910 struct ieee80211_vif *vif,
4911 struct ieee80211_sta *sta)
4912 {
4913 struct ath11k_base *ab = ar->ab;
4914 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4915 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
4916 struct peer_create_params peer_param;
4917 int ret;
4918
4919 lockdep_assert_held(&ar->conf_mutex);
4920
4921 ret = ath11k_mac_inc_num_stations(arvif, sta);
4922 if (ret) {
4923 ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n",
4924 ar->max_num_stations);
4925 goto exit;
4926 }
4927
4928 arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL);
4929 if (!arsta->rx_stats) {
4930 ret = -ENOMEM;
4931 goto dec_num_station;
4932 }
4933
4934 peer_param.vdev_id = arvif->vdev_id;
4935 peer_param.peer_addr = sta->addr;
4936 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
4937
4938 ret = ath11k_peer_create(ar, arvif, sta, &peer_param);
4939 if (ret) {
4940 ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n",
4941 sta->addr, arvif->vdev_id);
4942 goto free_rx_stats;
4943 }
4944
4945 ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n",
4946 sta->addr, arvif->vdev_id);
4947
4948 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) {
4949 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL);
4950 if (!arsta->tx_stats) {
4951 ret = -ENOMEM;
4952 goto free_peer;
4953 }
4954 }
4955
4956 if (ieee80211_vif_is_mesh(vif)) {
4957 ath11k_dbg(ab, ATH11K_DBG_MAC,
4958 "setting USE_4ADDR for mesh STA %pM\n", sta->addr);
4959 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
4960 arvif->vdev_id,
4961 WMI_PEER_USE_4ADDR, 1);
4962 if (ret) {
4963 ath11k_warn(ab, "failed to set mesh STA %pM 4addr capability: %d\n",
4964 sta->addr, ret);
4965 goto free_tx_stats;
4966 }
4967 }
4968
4969 ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr);
4970 if (ret) {
4971 ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n",
4972 sta->addr, arvif->vdev_id, ret);
4973 goto free_tx_stats;
4974 }
4975
4976 if (ab->hw_params.vdev_start_delay &&
4977 !arvif->is_started &&
4978 arvif->vdev_type != WMI_VDEV_TYPE_AP) {
4979 ret = ath11k_start_vdev_delay(ar->hw, vif);
4980 if (ret) {
4981 ath11k_warn(ab, "failed to delay vdev start: %d\n", ret);
4982 goto free_tx_stats;
4983 }
4984 }
4985
4986 ewma_avg_rssi_init(&arsta->avg_rssi);
4987 return 0;
4988
4989 free_tx_stats:
4990 kfree(arsta->tx_stats);
4991 arsta->tx_stats = NULL;
4992 free_peer:
4993 ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);
4994 free_rx_stats:
4995 kfree(arsta->rx_stats);
4996 arsta->rx_stats = NULL;
4997 dec_num_station:
4998 ath11k_mac_dec_num_stations(arvif, sta);
4999 exit:
5000 return ret;
5001 }
5002
ath11k_mac_ieee80211_sta_bw_to_wmi(struct ath11k * ar,struct ieee80211_sta * sta)5003 static u32 ath11k_mac_ieee80211_sta_bw_to_wmi(struct ath11k *ar,
5004 struct ieee80211_sta *sta)
5005 {
5006 u32 bw = WMI_PEER_CHWIDTH_20MHZ;
5007
5008 switch (sta->deflink.bandwidth) {
5009 case IEEE80211_STA_RX_BW_20:
5010 bw = WMI_PEER_CHWIDTH_20MHZ;
5011 break;
5012 case IEEE80211_STA_RX_BW_40:
5013 bw = WMI_PEER_CHWIDTH_40MHZ;
5014 break;
5015 case IEEE80211_STA_RX_BW_80:
5016 bw = WMI_PEER_CHWIDTH_80MHZ;
5017 break;
5018 case IEEE80211_STA_RX_BW_160:
5019 bw = WMI_PEER_CHWIDTH_160MHZ;
5020 break;
5021 default:
5022 ath11k_warn(ar->ab, "Invalid bandwidth %d for %pM\n",
5023 sta->deflink.bandwidth, sta->addr);
5024 bw = WMI_PEER_CHWIDTH_20MHZ;
5025 break;
5026 }
5027
5028 return bw;
5029 }
5030
ath11k_mac_op_sta_state(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,enum ieee80211_sta_state old_state,enum ieee80211_sta_state new_state)5031 static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw,
5032 struct ieee80211_vif *vif,
5033 struct ieee80211_sta *sta,
5034 enum ieee80211_sta_state old_state,
5035 enum ieee80211_sta_state new_state)
5036 {
5037 struct ath11k *ar = hw->priv;
5038 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
5039 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
5040 struct ath11k_peer *peer;
5041 int ret = 0;
5042
5043 /* cancel must be done outside the mutex to avoid deadlock */
5044 if ((old_state == IEEE80211_STA_NONE &&
5045 new_state == IEEE80211_STA_NOTEXIST)) {
5046 cancel_work_sync(&arsta->update_wk);
5047 cancel_work_sync(&arsta->set_4addr_wk);
5048 }
5049
5050 mutex_lock(&ar->conf_mutex);
5051
5052 if (old_state == IEEE80211_STA_NOTEXIST &&
5053 new_state == IEEE80211_STA_NONE) {
5054 memset(arsta, 0, sizeof(*arsta));
5055 arsta->arvif = arvif;
5056 arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;
5057 INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk);
5058 INIT_WORK(&arsta->set_4addr_wk, ath11k_sta_set_4addr_wk);
5059
5060 ret = ath11k_mac_station_add(ar, vif, sta);
5061 if (ret)
5062 ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n",
5063 sta->addr, arvif->vdev_id);
5064 } else if ((old_state == IEEE80211_STA_NONE &&
5065 new_state == IEEE80211_STA_NOTEXIST)) {
5066 bool skip_peer_delete = ar->ab->hw_params.vdev_start_delay &&
5067 vif->type == NL80211_IFTYPE_STATION;
5068
5069 ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr);
5070
5071 if (!skip_peer_delete) {
5072 ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);
5073 if (ret)
5074 ath11k_warn(ar->ab,
5075 "Failed to delete peer: %pM for VDEV: %d\n",
5076 sta->addr, arvif->vdev_id);
5077 else
5078 ath11k_dbg(ar->ab,
5079 ATH11K_DBG_MAC,
5080 "Removed peer: %pM for VDEV: %d\n",
5081 sta->addr, arvif->vdev_id);
5082 }
5083
5084 ath11k_mac_dec_num_stations(arvif, sta);
5085 mutex_lock(&ar->ab->tbl_mtx_lock);
5086 spin_lock_bh(&ar->ab->base_lock);
5087 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
5088 if (skip_peer_delete && peer) {
5089 peer->sta = NULL;
5090 } else if (peer && peer->sta == sta) {
5091 ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n",
5092 vif->addr, arvif->vdev_id);
5093 ath11k_peer_rhash_delete(ar->ab, peer);
5094 peer->sta = NULL;
5095 list_del(&peer->list);
5096 kfree(peer);
5097 ar->num_peers--;
5098 }
5099 spin_unlock_bh(&ar->ab->base_lock);
5100 mutex_unlock(&ar->ab->tbl_mtx_lock);
5101
5102 kfree(arsta->tx_stats);
5103 arsta->tx_stats = NULL;
5104
5105 kfree(arsta->rx_stats);
5106 arsta->rx_stats = NULL;
5107 } else if (old_state == IEEE80211_STA_AUTH &&
5108 new_state == IEEE80211_STA_ASSOC &&
5109 (vif->type == NL80211_IFTYPE_AP ||
5110 vif->type == NL80211_IFTYPE_MESH_POINT ||
5111 vif->type == NL80211_IFTYPE_ADHOC)) {
5112 ret = ath11k_station_assoc(ar, vif, sta, false);
5113 if (ret)
5114 ath11k_warn(ar->ab, "Failed to associate station: %pM\n",
5115 sta->addr);
5116
5117 spin_lock_bh(&ar->data_lock);
5118 /* Set arsta bw and prev bw */
5119 arsta->bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta);
5120 arsta->bw_prev = arsta->bw;
5121 spin_unlock_bh(&ar->data_lock);
5122 } else if (old_state == IEEE80211_STA_ASSOC &&
5123 new_state == IEEE80211_STA_AUTHORIZED) {
5124 spin_lock_bh(&ar->ab->base_lock);
5125
5126 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
5127 if (peer)
5128 peer->is_authorized = true;
5129
5130 spin_unlock_bh(&ar->ab->base_lock);
5131
5132 if (vif->type == NL80211_IFTYPE_STATION && arvif->is_up) {
5133 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
5134 arvif->vdev_id,
5135 WMI_PEER_AUTHORIZE,
5136 1);
5137 if (ret)
5138 ath11k_warn(ar->ab, "Unable to authorize peer %pM vdev %d: %d\n",
5139 sta->addr, arvif->vdev_id, ret);
5140 }
5141 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
5142 new_state == IEEE80211_STA_ASSOC) {
5143 spin_lock_bh(&ar->ab->base_lock);
5144
5145 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
5146 if (peer)
5147 peer->is_authorized = false;
5148
5149 spin_unlock_bh(&ar->ab->base_lock);
5150 } else if (old_state == IEEE80211_STA_ASSOC &&
5151 new_state == IEEE80211_STA_AUTH &&
5152 (vif->type == NL80211_IFTYPE_AP ||
5153 vif->type == NL80211_IFTYPE_MESH_POINT ||
5154 vif->type == NL80211_IFTYPE_ADHOC)) {
5155 ret = ath11k_station_disassoc(ar, vif, sta);
5156 if (ret)
5157 ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n",
5158 sta->addr);
5159 }
5160
5161 mutex_unlock(&ar->conf_mutex);
5162 return ret;
5163 }
5164
ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)5165 static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw,
5166 struct ieee80211_vif *vif,
5167 struct ieee80211_sta *sta)
5168 {
5169 struct ath11k *ar = hw->priv;
5170 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
5171 int ret = 0;
5172 s16 txpwr;
5173
5174 if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC) {
5175 txpwr = 0;
5176 } else {
5177 txpwr = sta->deflink.txpwr.power;
5178 if (!txpwr)
5179 return -EINVAL;
5180 }
5181
5182 if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL)
5183 return -EINVAL;
5184
5185 mutex_lock(&ar->conf_mutex);
5186
5187 ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
5188 WMI_PEER_USE_FIXED_PWR, txpwr);
5189 if (ret) {
5190 ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n",
5191 ret);
5192 goto out;
5193 }
5194
5195 out:
5196 mutex_unlock(&ar->conf_mutex);
5197 return ret;
5198 }
5199
ath11k_mac_op_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)5200 static void ath11k_mac_op_sta_set_4addr(struct ieee80211_hw *hw,
5201 struct ieee80211_vif *vif,
5202 struct ieee80211_sta *sta, bool enabled)
5203 {
5204 struct ath11k *ar = hw->priv;
5205 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
5206
5207 if (enabled && !arsta->use_4addr_set) {
5208 ieee80211_queue_work(ar->hw, &arsta->set_4addr_wk);
5209 arsta->use_4addr_set = true;
5210 }
5211 }
5212
ath11k_mac_op_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)5213 static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw,
5214 struct ieee80211_vif *vif,
5215 struct ieee80211_sta *sta,
5216 u32 changed)
5217 {
5218 struct ath11k *ar = hw->priv;
5219 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
5220 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
5221 struct ath11k_peer *peer;
5222 u32 bw, smps;
5223
5224 spin_lock_bh(&ar->ab->base_lock);
5225
5226 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
5227 if (!peer) {
5228 spin_unlock_bh(&ar->ab->base_lock);
5229 ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n",
5230 sta->addr, arvif->vdev_id);
5231 return;
5232 }
5233
5234 spin_unlock_bh(&ar->ab->base_lock);
5235
5236 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
5237 "sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
5238 sta->addr, changed, sta->deflink.bandwidth,
5239 sta->deflink.rx_nss,
5240 sta->deflink.smps_mode);
5241
5242 spin_lock_bh(&ar->data_lock);
5243
5244 if (changed & IEEE80211_RC_BW_CHANGED) {
5245 bw = ath11k_mac_ieee80211_sta_bw_to_wmi(ar, sta);
5246 arsta->bw_prev = arsta->bw;
5247 arsta->bw = bw;
5248 }
5249
5250 if (changed & IEEE80211_RC_NSS_CHANGED)
5251 arsta->nss = sta->deflink.rx_nss;
5252
5253 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5254 smps = WMI_PEER_SMPS_PS_NONE;
5255
5256 switch (sta->deflink.smps_mode) {
5257 case IEEE80211_SMPS_AUTOMATIC:
5258 case IEEE80211_SMPS_OFF:
5259 smps = WMI_PEER_SMPS_PS_NONE;
5260 break;
5261 case IEEE80211_SMPS_STATIC:
5262 smps = WMI_PEER_SMPS_STATIC;
5263 break;
5264 case IEEE80211_SMPS_DYNAMIC:
5265 smps = WMI_PEER_SMPS_DYNAMIC;
5266 break;
5267 default:
5268 ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n",
5269 sta->deflink.smps_mode, sta->addr);
5270 smps = WMI_PEER_SMPS_PS_NONE;
5271 break;
5272 }
5273
5274 arsta->smps = smps;
5275 }
5276
5277 arsta->changed |= changed;
5278
5279 spin_unlock_bh(&ar->data_lock);
5280
5281 ieee80211_queue_work(hw, &arsta->update_wk);
5282 }
5283
ath11k_conf_tx_uapsd(struct ath11k * ar,struct ieee80211_vif * vif,u16 ac,bool enable)5284 static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif,
5285 u16 ac, bool enable)
5286 {
5287 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
5288 u32 value = 0;
5289 int ret = 0;
5290
5291 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5292 return 0;
5293
5294 switch (ac) {
5295 case IEEE80211_AC_VO:
5296 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5297 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5298 break;
5299 case IEEE80211_AC_VI:
5300 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5301 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5302 break;
5303 case IEEE80211_AC_BE:
5304 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5305 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5306 break;
5307 case IEEE80211_AC_BK:
5308 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5309 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5310 break;
5311 }
5312
5313 if (enable)
5314 arvif->u.sta.uapsd |= value;
5315 else
5316 arvif->u.sta.uapsd &= ~value;
5317
5318 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5319 WMI_STA_PS_PARAM_UAPSD,
5320 arvif->u.sta.uapsd);
5321 if (ret) {
5322 ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret);
5323 goto exit;
5324 }
5325
5326 if (arvif->u.sta.uapsd)
5327 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5328 else
5329 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5330
5331 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5332 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5333 value);
5334 if (ret)
5335 ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret);
5336
5337 exit:
5338 return ret;
5339 }
5340
ath11k_mac_op_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 ac,const struct ieee80211_tx_queue_params * params)5341 static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw,
5342 struct ieee80211_vif *vif,
5343 unsigned int link_id, u16 ac,
5344 const struct ieee80211_tx_queue_params *params)
5345 {
5346 struct ath11k *ar = hw->priv;
5347 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
5348 struct wmi_wmm_params_arg *p = NULL;
5349 int ret;
5350
5351 mutex_lock(&ar->conf_mutex);
5352
5353 switch (ac) {
5354 case IEEE80211_AC_VO:
5355 p = &arvif->wmm_params.ac_vo;
5356 break;
5357 case IEEE80211_AC_VI:
5358 p = &arvif->wmm_params.ac_vi;
5359 break;
5360 case IEEE80211_AC_BE:
5361 p = &arvif->wmm_params.ac_be;
5362 break;
5363 case IEEE80211_AC_BK:
5364 p = &arvif->wmm_params.ac_bk;
5365 break;
5366 }
5367
5368 if (WARN_ON(!p)) {
5369 ret = -EINVAL;
5370 goto exit;
5371 }
5372
5373 p->cwmin = params->cw_min;
5374 p->cwmax = params->cw_max;
5375 p->aifs = params->aifs;
5376 p->txop = params->txop;
5377
5378 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id,
5379 &arvif->wmm_params);
5380 if (ret) {
5381 ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret);
5382 goto exit;
5383 }
5384
5385 ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5386
5387 if (ret)
5388 ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret);
5389
5390 exit:
5391 mutex_unlock(&ar->conf_mutex);
5392 return ret;
5393 }
5394
5395 static struct ieee80211_sta_ht_cap
ath11k_create_ht_cap(struct ath11k * ar,u32 ar_ht_cap,u32 rate_cap_rx_chainmask)5396 ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask)
5397 {
5398 int i;
5399 struct ieee80211_sta_ht_cap ht_cap = {0};
5400 u32 ar_vht_cap = ar->pdev->cap.vht_cap;
5401
5402 if (!(ar_ht_cap & WMI_HT_CAP_ENABLED))
5403 return ht_cap;
5404
5405 ht_cap.ht_supported = 1;
5406 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5407 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5408 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5409 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5410 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
5411
5412 if (ar_ht_cap & WMI_HT_CAP_HT20_SGI)
5413 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5414
5415 if (ar_ht_cap & WMI_HT_CAP_HT40_SGI)
5416 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5417
5418 if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) {
5419 u32 smps;
5420
5421 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
5422 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
5423
5424 ht_cap.cap |= smps;
5425 }
5426
5427 if (ar_ht_cap & WMI_HT_CAP_TX_STBC)
5428 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
5429
5430 if (ar_ht_cap & WMI_HT_CAP_RX_STBC) {
5431 u32 stbc;
5432
5433 stbc = ar_ht_cap;
5434 stbc &= WMI_HT_CAP_RX_STBC;
5435 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
5436 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
5437 stbc &= IEEE80211_HT_CAP_RX_STBC;
5438
5439 ht_cap.cap |= stbc;
5440 }
5441
5442 if (ar_ht_cap & WMI_HT_CAP_RX_LDPC)
5443 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
5444
5445 if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT)
5446 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
5447
5448 if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
5449 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
5450
5451 for (i = 0; i < ar->num_rx_chains; i++) {
5452 if (rate_cap_rx_chainmask & BIT(i))
5453 ht_cap.mcs.rx_mask[i] = 0xFF;
5454 }
5455
5456 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
5457
5458 return ht_cap;
5459 }
5460
ath11k_mac_set_txbf_conf(struct ath11k_vif * arvif)5461 static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif)
5462 {
5463 u32 value = 0;
5464 struct ath11k *ar = arvif->ar;
5465 int nsts;
5466 int sound_dim;
5467 u32 vht_cap = ar->pdev->cap.vht_cap;
5468 u32 vdev_param = WMI_VDEV_PARAM_TXBF;
5469
5470 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) {
5471 nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
5472 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
5473 if (nsts > (ar->num_rx_chains - 1))
5474 nsts = ar->num_rx_chains - 1;
5475 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
5476 }
5477
5478 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) {
5479 sound_dim = vht_cap &
5480 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
5481 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
5482 if (sound_dim > (ar->num_tx_chains - 1))
5483 sound_dim = ar->num_tx_chains - 1;
5484 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
5485 }
5486
5487 if (!value)
5488 return 0;
5489
5490 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) {
5491 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
5492
5493 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&
5494 arvif->vdev_type == WMI_VDEV_TYPE_AP)
5495 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
5496 }
5497
5498 /* TODO: SUBFEE not validated in HK, disable here until validated? */
5499
5500 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {
5501 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
5502
5503 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&
5504 arvif->vdev_type == WMI_VDEV_TYPE_STA)
5505 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
5506 }
5507
5508 return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5509 vdev_param, value);
5510 }
5511
ath11k_set_vht_txbf_cap(struct ath11k * ar,u32 * vht_cap)5512 static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap)
5513 {
5514 bool subfer, subfee;
5515 int sound_dim = 0, nsts = 0;
5516
5517 subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE));
5518 subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));
5519
5520 if (ar->num_tx_chains < 2) {
5521 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
5522 subfer = false;
5523 }
5524
5525 if (ar->num_rx_chains < 2) {
5526 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
5527 subfee = false;
5528 }
5529
5530 /* If SU Beaformer is not set, then disable MU Beamformer Capability */
5531 if (!subfer)
5532 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
5533
5534 /* If SU Beaformee is not set, then disable MU Beamformee Capability */
5535 if (!subfee)
5536 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
5537
5538 sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK);
5539 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
5540 *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
5541
5542 nsts = (*vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK);
5543 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
5544 *vht_cap &= ~IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
5545
5546 /* Enable Sounding Dimension Field only if SU BF is enabled */
5547 if (subfer) {
5548 if (sound_dim > (ar->num_tx_chains - 1))
5549 sound_dim = ar->num_tx_chains - 1;
5550
5551 sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
5552 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
5553 *vht_cap |= sound_dim;
5554 }
5555
5556 /* Enable Beamformee STS Field only if SU BF is enabled */
5557 if (subfee) {
5558 if (nsts > (ar->num_rx_chains - 1))
5559 nsts = ar->num_rx_chains - 1;
5560
5561 nsts <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
5562 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
5563 *vht_cap |= nsts;
5564 }
5565 }
5566
5567 static struct ieee80211_sta_vht_cap
ath11k_create_vht_cap(struct ath11k * ar,u32 rate_cap_tx_chainmask,u32 rate_cap_rx_chainmask)5568 ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask,
5569 u32 rate_cap_rx_chainmask)
5570 {
5571 struct ieee80211_sta_vht_cap vht_cap = {0};
5572 u16 txmcs_map, rxmcs_map;
5573 int i;
5574
5575 vht_cap.vht_supported = 1;
5576 vht_cap.cap = ar->pdev->cap.vht_cap;
5577
5578 if (ar->pdev->cap.nss_ratio_enabled)
5579 vht_cap.vht_mcs.tx_highest |=
5580 cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);
5581
5582 ath11k_set_vht_txbf_cap(ar, &vht_cap.cap);
5583
5584 rxmcs_map = 0;
5585 txmcs_map = 0;
5586 for (i = 0; i < 8; i++) {
5587 if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i))
5588 txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
5589 else
5590 txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
5591
5592 if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i))
5593 rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
5594 else
5595 rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
5596 }
5597
5598 if (rate_cap_tx_chainmask <= 1)
5599 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
5600
5601 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map);
5602 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map);
5603
5604 return vht_cap;
5605 }
5606
ath11k_mac_setup_ht_vht_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap,u32 * ht_cap_info)5607 static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar,
5608 struct ath11k_pdev_cap *cap,
5609 u32 *ht_cap_info)
5610 {
5611 struct ieee80211_supported_band *band;
5612 u32 rate_cap_tx_chainmask;
5613 u32 rate_cap_rx_chainmask;
5614 u32 ht_cap;
5615
5616 rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift;
5617 rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift;
5618
5619 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
5620 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
5621 ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info;
5622 if (ht_cap_info)
5623 *ht_cap_info = ht_cap;
5624 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,
5625 rate_cap_rx_chainmask);
5626 }
5627
5628 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
5629 (ar->ab->hw_params.single_pdev_only ||
5630 !ar->supports_6ghz)) {
5631 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
5632 ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;
5633 if (ht_cap_info)
5634 *ht_cap_info = ht_cap;
5635 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,
5636 rate_cap_rx_chainmask);
5637 band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask,
5638 rate_cap_rx_chainmask);
5639 }
5640 }
5641
ath11k_check_chain_mask(struct ath11k * ar,u32 ant,bool is_tx_ant)5642 static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant)
5643 {
5644 /* TODO: Check the request chainmask against the supported
5645 * chainmask table which is advertised in extented_service_ready event
5646 */
5647
5648 return 0;
5649 }
5650
ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold * fw_ppet,u8 * he_ppet)5651 static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet,
5652 u8 *he_ppet)
5653 {
5654 int nss, ru;
5655 u8 bit = 7;
5656
5657 he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK;
5658 he_ppet[0] |= (fw_ppet->ru_bit_mask <<
5659 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
5660 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
5661 for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {
5662 for (ru = 0; ru < 4; ru++) {
5663 u8 val;
5664 int i;
5665
5666 if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)
5667 continue;
5668 val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
5669 0x3f;
5670 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
5671 for (i = 5; i >= 0; i--) {
5672 he_ppet[bit / 8] |=
5673 ((val >> i) & 0x1) << ((bit % 8));
5674 bit++;
5675 }
5676 }
5677 }
5678 }
5679
5680 static void
ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem * he_cap_elem)5681 ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
5682 {
5683 u8 m;
5684
5685 m = IEEE80211_HE_MAC_CAP0_TWT_RES |
5686 IEEE80211_HE_MAC_CAP0_TWT_REQ;
5687 he_cap_elem->mac_cap_info[0] &= ~m;
5688
5689 m = IEEE80211_HE_MAC_CAP2_TRS |
5690 IEEE80211_HE_MAC_CAP2_BCAST_TWT |
5691 IEEE80211_HE_MAC_CAP2_MU_CASCADING;
5692 he_cap_elem->mac_cap_info[2] &= ~m;
5693
5694 m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED |
5695 IEEE80211_HE_MAC_CAP2_BCAST_TWT |
5696 IEEE80211_HE_MAC_CAP2_MU_CASCADING;
5697 he_cap_elem->mac_cap_info[3] &= ~m;
5698
5699 m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG |
5700 IEEE80211_HE_MAC_CAP4_BQR;
5701 he_cap_elem->mac_cap_info[4] &= ~m;
5702
5703 m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION |
5704 IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU |
5705 IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING |
5706 IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX;
5707 he_cap_elem->mac_cap_info[5] &= ~m;
5708
5709 m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
5710 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
5711 he_cap_elem->phy_cap_info[2] &= ~m;
5712
5713 m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU |
5714 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK |
5715 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK;
5716 he_cap_elem->phy_cap_info[3] &= ~m;
5717
5718 m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
5719 he_cap_elem->phy_cap_info[4] &= ~m;
5720
5721 m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
5722 he_cap_elem->phy_cap_info[5] &= ~m;
5723
5724 m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
5725 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB |
5726 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
5727 IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
5728 he_cap_elem->phy_cap_info[6] &= ~m;
5729
5730 m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR |
5731 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
5732 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
5733 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
5734 he_cap_elem->phy_cap_info[7] &= ~m;
5735
5736 m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI |
5737 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
5738 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
5739 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
5740 he_cap_elem->phy_cap_info[8] &= ~m;
5741
5742 m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
5743 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
5744 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
5745 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
5746 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
5747 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
5748 he_cap_elem->phy_cap_info[9] &= ~m;
5749 }
5750
ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap * pcap,struct ath11k_band_cap * bcap)5751 static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,
5752 struct ath11k_band_cap *bcap)
5753 {
5754 u8 val;
5755
5756 bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;
5757 if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
5758 bcap->he_6ghz_capa |=
5759 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
5760 WLAN_HT_CAP_SM_PS_DYNAMIC);
5761 else
5762 bcap->he_6ghz_capa |=
5763 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
5764 WLAN_HT_CAP_SM_PS_DISABLED);
5765 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
5766 pcap->vht_cap);
5767 bcap->he_6ghz_capa |=
5768 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val);
5769 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);
5770 bcap->he_6ghz_capa |=
5771 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val);
5772 if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
5773 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
5774 if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
5775 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
5776
5777 return cpu_to_le16(bcap->he_6ghz_capa);
5778 }
5779
ath11k_mac_set_hemcsmap(struct ath11k * ar,struct ath11k_pdev_cap * cap,struct ieee80211_sta_he_cap * he_cap,int band)5780 static void ath11k_mac_set_hemcsmap(struct ath11k *ar,
5781 struct ath11k_pdev_cap *cap,
5782 struct ieee80211_sta_he_cap *he_cap,
5783 int band)
5784 {
5785 u16 txmcs_map, rxmcs_map;
5786 u32 i;
5787
5788 rxmcs_map = 0;
5789 txmcs_map = 0;
5790 for (i = 0; i < 8; i++) {
5791 if (i < ar->num_tx_chains &&
5792 (ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
5793 txmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
5794 else
5795 txmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
5796
5797 if (i < ar->num_rx_chains &&
5798 (ar->cfg_rx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
5799 rxmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
5800 else
5801 rxmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
5802 }
5803 he_cap->he_mcs_nss_supp.rx_mcs_80 =
5804 cpu_to_le16(rxmcs_map & 0xffff);
5805 he_cap->he_mcs_nss_supp.tx_mcs_80 =
5806 cpu_to_le16(txmcs_map & 0xffff);
5807 he_cap->he_mcs_nss_supp.rx_mcs_160 =
5808 cpu_to_le16(rxmcs_map & 0xffff);
5809 he_cap->he_mcs_nss_supp.tx_mcs_160 =
5810 cpu_to_le16(txmcs_map & 0xffff);
5811 he_cap->he_mcs_nss_supp.rx_mcs_80p80 =
5812 cpu_to_le16(rxmcs_map & 0xffff);
5813 he_cap->he_mcs_nss_supp.tx_mcs_80p80 =
5814 cpu_to_le16(txmcs_map & 0xffff);
5815 }
5816
ath11k_mac_copy_he_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap,struct ieee80211_sband_iftype_data * data,int band)5817 static int ath11k_mac_copy_he_cap(struct ath11k *ar,
5818 struct ath11k_pdev_cap *cap,
5819 struct ieee80211_sband_iftype_data *data,
5820 int band)
5821 {
5822 int i, idx = 0;
5823
5824 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
5825 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
5826 struct ath11k_band_cap *band_cap = &cap->band[band];
5827 struct ieee80211_he_cap_elem *he_cap_elem =
5828 &he_cap->he_cap_elem;
5829
5830 switch (i) {
5831 case NL80211_IFTYPE_STATION:
5832 case NL80211_IFTYPE_AP:
5833 case NL80211_IFTYPE_MESH_POINT:
5834 break;
5835
5836 default:
5837 continue;
5838 }
5839
5840 data[idx].types_mask = BIT(i);
5841 he_cap->has_he = true;
5842 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,
5843 sizeof(he_cap_elem->mac_cap_info));
5844 memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,
5845 sizeof(he_cap_elem->phy_cap_info));
5846
5847 he_cap_elem->mac_cap_info[1] &=
5848 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
5849
5850 he_cap_elem->phy_cap_info[5] &=
5851 ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;
5852 he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1;
5853
5854 switch (i) {
5855 case NL80211_IFTYPE_AP:
5856 he_cap_elem->phy_cap_info[3] &=
5857 ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;
5858 he_cap_elem->phy_cap_info[9] |=
5859 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
5860 break;
5861 case NL80211_IFTYPE_STATION:
5862 he_cap_elem->mac_cap_info[0] &=
5863 ~IEEE80211_HE_MAC_CAP0_TWT_RES;
5864 he_cap_elem->mac_cap_info[0] |=
5865 IEEE80211_HE_MAC_CAP0_TWT_REQ;
5866 he_cap_elem->phy_cap_info[9] |=
5867 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
5868 break;
5869 case NL80211_IFTYPE_MESH_POINT:
5870 ath11k_mac_filter_he_cap_mesh(he_cap_elem);
5871 break;
5872 }
5873
5874 ath11k_mac_set_hemcsmap(ar, cap, he_cap, band);
5875
5876 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
5877 if (he_cap_elem->phy_cap_info[6] &
5878 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
5879 ath11k_gen_ppe_thresh(&band_cap->he_ppet,
5880 he_cap->ppe_thres);
5881
5882 if (band == NL80211_BAND_6GHZ) {
5883 data[idx].he_6ghz_capa.capa =
5884 ath11k_mac_setup_he_6ghz_cap(cap, band_cap);
5885 }
5886 idx++;
5887 }
5888
5889 return idx;
5890 }
5891
ath11k_mac_setup_he_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap)5892 static void ath11k_mac_setup_he_cap(struct ath11k *ar,
5893 struct ath11k_pdev_cap *cap)
5894 {
5895 struct ieee80211_supported_band *band;
5896 int count;
5897
5898 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
5899 count = ath11k_mac_copy_he_cap(ar, cap,
5900 ar->mac.iftype[NL80211_BAND_2GHZ],
5901 NL80211_BAND_2GHZ);
5902 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
5903 _ieee80211_set_sband_iftype_data(band,
5904 ar->mac.iftype[NL80211_BAND_2GHZ],
5905 count);
5906 }
5907
5908 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
5909 count = ath11k_mac_copy_he_cap(ar, cap,
5910 ar->mac.iftype[NL80211_BAND_5GHZ],
5911 NL80211_BAND_5GHZ);
5912 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
5913 _ieee80211_set_sband_iftype_data(band,
5914 ar->mac.iftype[NL80211_BAND_5GHZ],
5915 count);
5916 }
5917
5918 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
5919 ar->supports_6ghz) {
5920 count = ath11k_mac_copy_he_cap(ar, cap,
5921 ar->mac.iftype[NL80211_BAND_6GHZ],
5922 NL80211_BAND_6GHZ);
5923 band = &ar->mac.sbands[NL80211_BAND_6GHZ];
5924 _ieee80211_set_sband_iftype_data(band,
5925 ar->mac.iftype[NL80211_BAND_6GHZ],
5926 count);
5927 }
5928 }
5929
__ath11k_set_antenna(struct ath11k * ar,u32 tx_ant,u32 rx_ant)5930 static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
5931 {
5932 int ret;
5933
5934 lockdep_assert_held(&ar->conf_mutex);
5935
5936 if (ath11k_check_chain_mask(ar, tx_ant, true))
5937 return -EINVAL;
5938
5939 if (ath11k_check_chain_mask(ar, rx_ant, false))
5940 return -EINVAL;
5941
5942 ar->cfg_tx_chainmask = tx_ant;
5943 ar->cfg_rx_chainmask = rx_ant;
5944
5945 if (ar->state != ATH11K_STATE_ON &&
5946 ar->state != ATH11K_STATE_RESTARTED)
5947 return 0;
5948
5949 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK,
5950 tx_ant, ar->pdev->pdev_id);
5951 if (ret) {
5952 ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n",
5953 ret, tx_ant);
5954 return ret;
5955 }
5956
5957 ar->num_tx_chains = get_num_chains(tx_ant);
5958
5959 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK,
5960 rx_ant, ar->pdev->pdev_id);
5961 if (ret) {
5962 ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n",
5963 ret, rx_ant);
5964 return ret;
5965 }
5966
5967 ar->num_rx_chains = get_num_chains(rx_ant);
5968
5969 /* Reload HT/VHT/HE capability */
5970 ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL);
5971 ath11k_mac_setup_he_cap(ar, &ar->pdev->cap);
5972
5973 return 0;
5974 }
5975
ath11k_mgmt_over_wmi_tx_drop(struct ath11k * ar,struct sk_buff * skb)5976 static void ath11k_mgmt_over_wmi_tx_drop(struct ath11k *ar, struct sk_buff *skb)
5977 {
5978 int num_mgmt;
5979
5980 ieee80211_free_txskb(ar->hw, skb);
5981
5982 num_mgmt = atomic_dec_if_positive(&ar->num_pending_mgmt_tx);
5983
5984 if (num_mgmt < 0)
5985 WARN_ON_ONCE(1);
5986
5987 if (!num_mgmt)
5988 wake_up(&ar->txmgmt_empty_waitq);
5989 }
5990
ath11k_mac_tx_mgmt_free(struct ath11k * ar,int buf_id)5991 static void ath11k_mac_tx_mgmt_free(struct ath11k *ar, int buf_id)
5992 {
5993 struct sk_buff *msdu;
5994 struct ieee80211_tx_info *info;
5995
5996 spin_lock_bh(&ar->txmgmt_idr_lock);
5997 msdu = idr_remove(&ar->txmgmt_idr, buf_id);
5998 spin_unlock_bh(&ar->txmgmt_idr_lock);
5999
6000 if (!msdu)
6001 return;
6002
6003 dma_unmap_single(ar->ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len,
6004 DMA_TO_DEVICE);
6005
6006 info = IEEE80211_SKB_CB(msdu);
6007 memset(&info->status, 0, sizeof(info->status));
6008
6009 ath11k_mgmt_over_wmi_tx_drop(ar, msdu);
6010 }
6011
ath11k_mac_tx_mgmt_pending_free(int buf_id,void * skb,void * ctx)6012 int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)
6013 {
6014 struct ath11k *ar = ctx;
6015
6016 ath11k_mac_tx_mgmt_free(ar, buf_id);
6017
6018 return 0;
6019 }
6020
ath11k_mac_vif_txmgmt_idr_remove(int buf_id,void * skb,void * ctx)6021 static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx)
6022 {
6023 struct ieee80211_vif *vif = ctx;
6024 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb);
6025 struct ath11k *ar = skb_cb->ar;
6026
6027 if (skb_cb->vif == vif)
6028 ath11k_mac_tx_mgmt_free(ar, buf_id);
6029
6030 return 0;
6031 }
6032
ath11k_mac_mgmt_tx_wmi(struct ath11k * ar,struct ath11k_vif * arvif,struct sk_buff * skb)6033 static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
6034 struct sk_buff *skb)
6035 {
6036 struct ath11k_base *ab = ar->ab;
6037 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
6038 struct ieee80211_tx_info *info;
6039 dma_addr_t paddr;
6040 int buf_id;
6041 int ret;
6042
6043 ATH11K_SKB_CB(skb)->ar = ar;
6044
6045 spin_lock_bh(&ar->txmgmt_idr_lock);
6046 buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0,
6047 ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC);
6048 spin_unlock_bh(&ar->txmgmt_idr_lock);
6049
6050 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
6051 "tx mgmt frame, buf id %d\n", buf_id);
6052
6053 if (buf_id < 0)
6054 return -ENOSPC;
6055
6056 info = IEEE80211_SKB_CB(skb);
6057 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) {
6058 if ((ieee80211_is_action(hdr->frame_control) ||
6059 ieee80211_is_deauth(hdr->frame_control) ||
6060 ieee80211_is_disassoc(hdr->frame_control)) &&
6061 ieee80211_has_protected(hdr->frame_control)) {
6062 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
6063 }
6064 }
6065
6066 paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
6067 if (dma_mapping_error(ab->dev, paddr)) {
6068 ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n");
6069 ret = -EIO;
6070 goto err_free_idr;
6071 }
6072
6073 ATH11K_SKB_CB(skb)->paddr = paddr;
6074
6075 ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb);
6076 if (ret) {
6077 ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret);
6078 goto err_unmap_buf;
6079 }
6080
6081 return 0;
6082
6083 err_unmap_buf:
6084 dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr,
6085 skb->len, DMA_TO_DEVICE);
6086 err_free_idr:
6087 spin_lock_bh(&ar->txmgmt_idr_lock);
6088 idr_remove(&ar->txmgmt_idr, buf_id);
6089 spin_unlock_bh(&ar->txmgmt_idr_lock);
6090
6091 return ret;
6092 }
6093
ath11k_mgmt_over_wmi_tx_purge(struct ath11k * ar)6094 static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar)
6095 {
6096 struct sk_buff *skb;
6097
6098 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL)
6099 ath11k_mgmt_over_wmi_tx_drop(ar, skb);
6100 }
6101
ath11k_mgmt_over_wmi_tx_work(struct work_struct * work)6102 static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work)
6103 {
6104 struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work);
6105 struct ath11k_skb_cb *skb_cb;
6106 struct ath11k_vif *arvif;
6107 struct sk_buff *skb;
6108 int ret;
6109
6110 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {
6111 skb_cb = ATH11K_SKB_CB(skb);
6112 if (!skb_cb->vif) {
6113 ath11k_warn(ar->ab, "no vif found for mgmt frame\n");
6114 ath11k_mgmt_over_wmi_tx_drop(ar, skb);
6115 continue;
6116 }
6117
6118 arvif = ath11k_vif_to_arvif(skb_cb->vif);
6119 mutex_lock(&ar->conf_mutex);
6120 if (ar->allocated_vdev_map & (1LL << arvif->vdev_id)) {
6121 ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
6122 if (ret) {
6123 ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
6124 arvif->vdev_id, ret);
6125 ath11k_mgmt_over_wmi_tx_drop(ar, skb);
6126 } else {
6127 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
6128 "tx mgmt frame, vdev_id %d\n",
6129 arvif->vdev_id);
6130 }
6131 } else {
6132 ath11k_warn(ar->ab,
6133 "dropping mgmt frame for vdev %d, is_started %d\n",
6134 arvif->vdev_id,
6135 arvif->is_started);
6136 ath11k_mgmt_over_wmi_tx_drop(ar, skb);
6137 }
6138 mutex_unlock(&ar->conf_mutex);
6139 }
6140 }
6141
ath11k_mac_mgmt_tx(struct ath11k * ar,struct sk_buff * skb,bool is_prb_rsp)6142 static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb,
6143 bool is_prb_rsp)
6144 {
6145 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
6146
6147 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
6148 return -ESHUTDOWN;
6149
6150 /* Drop probe response packets when the pending management tx
6151 * count has reached a certain threshold, so as to prioritize
6152 * other mgmt packets like auth and assoc to be sent on time
6153 * for establishing successful connections.
6154 */
6155 if (is_prb_rsp &&
6156 atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) {
6157 ath11k_warn(ar->ab,
6158 "dropping probe response as pending queue is almost full\n");
6159 return -ENOSPC;
6160 }
6161
6162 if (skb_queue_len_lockless(q) >= ATH11K_TX_MGMT_NUM_PENDING_MAX) {
6163 ath11k_warn(ar->ab, "mgmt tx queue is full\n");
6164 return -ENOSPC;
6165 }
6166
6167 skb_queue_tail(q, skb);
6168 atomic_inc(&ar->num_pending_mgmt_tx);
6169 queue_work(ar->ab->workqueue_aux, &ar->wmi_mgmt_tx_work);
6170
6171 return 0;
6172 }
6173
ath11k_mac_op_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)6174 static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
6175 struct ieee80211_tx_control *control,
6176 struct sk_buff *skb)
6177 {
6178 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
6179 struct ath11k *ar = hw->priv;
6180 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
6181 struct ieee80211_vif *vif = info->control.vif;
6182 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
6183 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
6184 struct ieee80211_key_conf *key = info->control.hw_key;
6185 struct ath11k_sta *arsta = NULL;
6186 u32 info_flags = info->flags;
6187 bool is_prb_rsp;
6188 int ret;
6189
6190 memset(skb_cb, 0, sizeof(*skb_cb));
6191 skb_cb->vif = vif;
6192
6193 if (key) {
6194 skb_cb->cipher = key->cipher;
6195 skb_cb->flags |= ATH11K_SKB_CIPHER_SET;
6196 }
6197
6198 if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
6199 skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP;
6200 } else if (ieee80211_is_mgmt(hdr->frame_control)) {
6201 is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
6202 ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp);
6203 if (ret) {
6204 ath11k_warn(ar->ab, "failed to queue management frame %d\n",
6205 ret);
6206 ieee80211_free_txskb(ar->hw, skb);
6207 }
6208 return;
6209 }
6210
6211 if (control->sta)
6212 arsta = ath11k_sta_to_arsta(control->sta);
6213
6214 ret = ath11k_dp_tx(ar, arvif, arsta, skb);
6215 if (unlikely(ret)) {
6216 ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret);
6217 ieee80211_free_txskb(ar->hw, skb);
6218 }
6219 }
6220
ath11k_mac_drain_tx(struct ath11k * ar)6221 void ath11k_mac_drain_tx(struct ath11k *ar)
6222 {
6223 /* make sure rcu-protected mac80211 tx path itself is drained */
6224 synchronize_net();
6225
6226 cancel_work_sync(&ar->wmi_mgmt_tx_work);
6227 ath11k_mgmt_over_wmi_tx_purge(ar);
6228 }
6229
ath11k_mac_config_mon_status_default(struct ath11k * ar,bool enable)6230 static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable)
6231 {
6232 struct htt_rx_ring_tlv_filter tlv_filter = {0};
6233 struct ath11k_base *ab = ar->ab;
6234 int i, ret = 0;
6235 u32 ring_id;
6236
6237 if (enable) {
6238 tlv_filter = ath11k_mac_mon_status_filter_default;
6239 if (ath11k_debugfs_rx_filter(ar))
6240 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
6241 }
6242
6243 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
6244 ring_id = ar->dp.rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
6245 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
6246 ar->dp.mac_id + i,
6247 HAL_RXDMA_MONITOR_STATUS,
6248 DP_RX_BUFFER_SIZE,
6249 &tlv_filter);
6250 }
6251
6252 if (enable && !ar->ab->hw_params.rxdma1_enable)
6253 mod_timer(&ar->ab->mon_reap_timer, jiffies +
6254 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
6255
6256 return ret;
6257 }
6258
ath11k_mac_wait_reconfigure(struct ath11k_base * ab)6259 static void ath11k_mac_wait_reconfigure(struct ath11k_base *ab)
6260 {
6261 int recovery_start_count;
6262
6263 if (!ab->is_reset)
6264 return;
6265
6266 recovery_start_count = atomic_inc_return(&ab->recovery_start_count);
6267 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery start count %d\n", recovery_start_count);
6268
6269 if (recovery_start_count == ab->num_radios) {
6270 complete(&ab->recovery_start);
6271 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery started success\n");
6272 }
6273
6274 ath11k_dbg(ab, ATH11K_DBG_MAC, "waiting reconfigure...\n");
6275
6276 wait_for_completion_timeout(&ab->reconfigure_complete,
6277 ATH11K_RECONFIGURE_TIMEOUT_HZ);
6278 }
6279
ath11k_mac_op_start(struct ieee80211_hw * hw)6280 static int ath11k_mac_op_start(struct ieee80211_hw *hw)
6281 {
6282 struct ath11k *ar = hw->priv;
6283 struct ath11k_base *ab = ar->ab;
6284 struct ath11k_pdev *pdev = ar->pdev;
6285 int ret;
6286
6287 if (ath11k_ftm_mode) {
6288 ath11k_warn(ab, "mac operations not supported in factory test mode\n");
6289 return -EOPNOTSUPP;
6290 }
6291
6292 ath11k_mac_drain_tx(ar);
6293 mutex_lock(&ar->conf_mutex);
6294
6295 switch (ar->state) {
6296 case ATH11K_STATE_OFF:
6297 ar->state = ATH11K_STATE_ON;
6298 break;
6299 case ATH11K_STATE_RESTARTING:
6300 ar->state = ATH11K_STATE_RESTARTED;
6301 ath11k_mac_wait_reconfigure(ab);
6302 break;
6303 case ATH11K_STATE_RESTARTED:
6304 case ATH11K_STATE_WEDGED:
6305 case ATH11K_STATE_ON:
6306 case ATH11K_STATE_FTM:
6307 WARN_ON(1);
6308 ret = -EINVAL;
6309 goto err;
6310 }
6311
6312 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS,
6313 1, pdev->pdev_id);
6314
6315 if (ret) {
6316 ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret);
6317 goto err;
6318 }
6319
6320 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1,
6321 pdev->pdev_id);
6322 if (ret) {
6323 ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret);
6324 goto err;
6325 }
6326
6327 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) {
6328 ret = ath11k_wmi_scan_prob_req_oui(ar, ar->mac_addr);
6329 if (ret) {
6330 ath11k_err(ab, "failed to set prob req oui: %i\n", ret);
6331 goto err;
6332 }
6333 }
6334
6335 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE,
6336 0, pdev->pdev_id);
6337 if (ret) {
6338 ath11k_err(ab, "failed to set ac override for ARP: %d\n",
6339 ret);
6340 goto err;
6341 }
6342
6343 ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id);
6344 if (ret) {
6345 ath11k_err(ab, "failed to offload radar detection: %d\n",
6346 ret);
6347 goto err;
6348 }
6349
6350 ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar,
6351 HTT_PPDU_STATS_TAG_DEFAULT);
6352 if (ret) {
6353 ath11k_err(ab, "failed to req ppdu stats: %d\n", ret);
6354 goto err;
6355 }
6356
6357 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE,
6358 1, pdev->pdev_id);
6359
6360 if (ret) {
6361 ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret);
6362 goto err;
6363 }
6364
6365 __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
6366
6367 /* TODO: Do we need to enable ANI? */
6368
6369 ath11k_reg_update_chan_list(ar, false);
6370
6371 ar->num_started_vdevs = 0;
6372 ar->num_created_vdevs = 0;
6373 ar->num_peers = 0;
6374 ar->allocated_vdev_map = 0;
6375
6376 /* Configure monitor status ring with default rx_filter to get rx status
6377 * such as rssi, rx_duration.
6378 */
6379 ret = ath11k_mac_config_mon_status_default(ar, true);
6380 if (ret) {
6381 ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n",
6382 ret);
6383 goto err;
6384 }
6385
6386 /* Configure the hash seed for hash based reo dest ring selection */
6387 ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id);
6388
6389 /* allow device to enter IMPS */
6390 if (ab->hw_params.idle_ps) {
6391 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG,
6392 1, pdev->pdev_id);
6393 if (ret) {
6394 ath11k_err(ab, "failed to enable idle ps: %d\n", ret);
6395 goto err;
6396 }
6397 }
6398
6399 mutex_unlock(&ar->conf_mutex);
6400
6401 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx],
6402 &ab->pdevs[ar->pdev_idx]);
6403
6404 return 0;
6405
6406 err:
6407 ar->state = ATH11K_STATE_OFF;
6408 mutex_unlock(&ar->conf_mutex);
6409
6410 return ret;
6411 }
6412
ath11k_mac_op_stop(struct ieee80211_hw * hw)6413 static void ath11k_mac_op_stop(struct ieee80211_hw *hw)
6414 {
6415 struct ath11k *ar = hw->priv;
6416 struct htt_ppdu_stats_info *ppdu_stats, *tmp;
6417 int ret;
6418
6419 ath11k_mac_drain_tx(ar);
6420
6421 mutex_lock(&ar->conf_mutex);
6422 ret = ath11k_mac_config_mon_status_default(ar, false);
6423 if (ret)
6424 ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n",
6425 ret);
6426
6427 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
6428 ar->state = ATH11K_STATE_OFF;
6429 mutex_unlock(&ar->conf_mutex);
6430
6431 cancel_delayed_work_sync(&ar->scan.timeout);
6432 cancel_work_sync(&ar->regd_update_work);
6433 cancel_work_sync(&ar->ab->update_11d_work);
6434
6435 if (ar->state_11d == ATH11K_11D_PREPARING) {
6436 ar->state_11d = ATH11K_11D_IDLE;
6437 complete(&ar->completed_11d_scan);
6438 }
6439
6440 spin_lock_bh(&ar->data_lock);
6441 list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) {
6442 list_del(&ppdu_stats->list);
6443 kfree(ppdu_stats);
6444 }
6445 spin_unlock_bh(&ar->data_lock);
6446
6447 rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL);
6448
6449 synchronize_rcu();
6450
6451 atomic_set(&ar->num_pending_mgmt_tx, 0);
6452 }
6453
ath11k_mac_setup_vdev_params_mbssid(struct ath11k_vif * arvif,u32 * flags,u32 * tx_vdev_id)6454 static int ath11k_mac_setup_vdev_params_mbssid(struct ath11k_vif *arvif,
6455 u32 *flags, u32 *tx_vdev_id)
6456 {
6457 struct ath11k *ar = arvif->ar;
6458 struct ath11k_vif *tx_arvif;
6459 struct ieee80211_vif *tx_vif;
6460
6461 *tx_vdev_id = 0;
6462 tx_vif = arvif->vif->mbssid_tx_vif;
6463 if (!tx_vif) {
6464 *flags = WMI_HOST_VDEV_FLAGS_NON_MBSSID_AP;
6465 return 0;
6466 }
6467
6468 tx_arvif = ath11k_vif_to_arvif(tx_vif);
6469
6470 if (arvif->vif->bss_conf.nontransmitted) {
6471 if (ar->hw->wiphy != ieee80211_vif_to_wdev(tx_vif)->wiphy)
6472 return -EINVAL;
6473
6474 *flags = WMI_HOST_VDEV_FLAGS_NON_TRANSMIT_AP;
6475 *tx_vdev_id = ath11k_vif_to_arvif(tx_vif)->vdev_id;
6476 } else if (tx_arvif == arvif) {
6477 *flags = WMI_HOST_VDEV_FLAGS_TRANSMIT_AP;
6478 } else {
6479 return -EINVAL;
6480 }
6481
6482 if (arvif->vif->bss_conf.ema_ap)
6483 *flags |= WMI_HOST_VDEV_FLAGS_EMA_MODE;
6484
6485 return 0;
6486 }
6487
ath11k_mac_setup_vdev_create_params(struct ath11k_vif * arvif,struct vdev_create_params * params)6488 static int ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif,
6489 struct vdev_create_params *params)
6490 {
6491 struct ath11k *ar = arvif->ar;
6492 struct ath11k_pdev *pdev = ar->pdev;
6493 int ret;
6494
6495 params->if_id = arvif->vdev_id;
6496 params->type = arvif->vdev_type;
6497 params->subtype = arvif->vdev_subtype;
6498 params->pdev_id = pdev->pdev_id;
6499 params->mbssid_flags = 0;
6500 params->mbssid_tx_vdev_id = 0;
6501
6502 if (!test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT,
6503 ar->ab->wmi_ab.svc_map)) {
6504 ret = ath11k_mac_setup_vdev_params_mbssid(arvif,
6505 ¶ms->mbssid_flags,
6506 ¶ms->mbssid_tx_vdev_id);
6507 if (ret)
6508 return ret;
6509 }
6510
6511 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {
6512 params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;
6513 params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;
6514 }
6515 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {
6516 params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
6517 params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
6518 }
6519 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP &&
6520 ar->supports_6ghz) {
6521 params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains;
6522 params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains;
6523 }
6524 return 0;
6525 }
6526
ath11k_mac_op_update_vif_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif)6527 static void ath11k_mac_op_update_vif_offload(struct ieee80211_hw *hw,
6528 struct ieee80211_vif *vif)
6529 {
6530 struct ath11k *ar = hw->priv;
6531 struct ath11k_base *ab = ar->ab;
6532 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
6533 u32 param_id, param_value;
6534 int ret;
6535
6536 param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;
6537 if (ath11k_frame_mode != ATH11K_HW_TXRX_ETHERNET ||
6538 (vif->type != NL80211_IFTYPE_STATION &&
6539 vif->type != NL80211_IFTYPE_AP))
6540 vif->offload_flags &= ~(IEEE80211_OFFLOAD_ENCAP_ENABLED |
6541 IEEE80211_OFFLOAD_DECAP_ENABLED);
6542
6543 if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED)
6544 param_value = ATH11K_HW_TXRX_ETHERNET;
6545 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
6546 param_value = ATH11K_HW_TXRX_RAW;
6547 else
6548 param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
6549
6550 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
6551 param_id, param_value);
6552 if (ret) {
6553 ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n",
6554 arvif->vdev_id, ret);
6555 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
6556 }
6557
6558 param_id = WMI_VDEV_PARAM_RX_DECAP_TYPE;
6559 if (vif->offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED)
6560 param_value = ATH11K_HW_TXRX_ETHERNET;
6561 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
6562 param_value = ATH11K_HW_TXRX_RAW;
6563 else
6564 param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
6565
6566 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
6567 param_id, param_value);
6568 if (ret) {
6569 ath11k_warn(ab, "failed to set vdev %d rx decap mode: %d\n",
6570 arvif->vdev_id, ret);
6571 vif->offload_flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED;
6572 }
6573 }
6574
ath11k_mac_vif_ap_active_any(struct ath11k_base * ab)6575 static bool ath11k_mac_vif_ap_active_any(struct ath11k_base *ab)
6576 {
6577 struct ath11k *ar;
6578 struct ath11k_pdev *pdev;
6579 struct ath11k_vif *arvif;
6580 int i;
6581
6582 for (i = 0; i < ab->num_radios; i++) {
6583 pdev = &ab->pdevs[i];
6584 ar = pdev->ar;
6585 list_for_each_entry(arvif, &ar->arvifs, list) {
6586 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_AP)
6587 return true;
6588 }
6589 }
6590 return false;
6591 }
6592
ath11k_mac_11d_scan_start(struct ath11k * ar,u32 vdev_id)6593 void ath11k_mac_11d_scan_start(struct ath11k *ar, u32 vdev_id)
6594 {
6595 struct wmi_11d_scan_start_params param;
6596 int ret;
6597
6598 mutex_lock(&ar->ab->vdev_id_11d_lock);
6599
6600 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev id for 11d scan %d\n",
6601 ar->vdev_id_11d_scan);
6602
6603 if (ar->regdom_set_by_user)
6604 goto fin;
6605
6606 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID)
6607 goto fin;
6608
6609 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map))
6610 goto fin;
6611
6612 if (ath11k_mac_vif_ap_active_any(ar->ab))
6613 goto fin;
6614
6615 param.vdev_id = vdev_id;
6616 param.start_interval_msec = 0;
6617 param.scan_period_msec = ATH11K_SCAN_11D_INTERVAL;
6618
6619 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "start 11d scan\n");
6620
6621 ret = ath11k_wmi_send_11d_scan_start_cmd(ar, ¶m);
6622 if (ret) {
6623 ath11k_warn(ar->ab, "failed to start 11d scan vdev %d ret: %d\n",
6624 vdev_id, ret);
6625 } else {
6626 ar->vdev_id_11d_scan = vdev_id;
6627 if (ar->state_11d == ATH11K_11D_PREPARING)
6628 ar->state_11d = ATH11K_11D_RUNNING;
6629 }
6630
6631 fin:
6632 if (ar->state_11d == ATH11K_11D_PREPARING) {
6633 ar->state_11d = ATH11K_11D_IDLE;
6634 complete(&ar->completed_11d_scan);
6635 }
6636
6637 mutex_unlock(&ar->ab->vdev_id_11d_lock);
6638 }
6639
ath11k_mac_11d_scan_stop(struct ath11k * ar)6640 void ath11k_mac_11d_scan_stop(struct ath11k *ar)
6641 {
6642 int ret;
6643 u32 vdev_id;
6644
6645 if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map))
6646 return;
6647
6648 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d scan\n");
6649
6650 mutex_lock(&ar->ab->vdev_id_11d_lock);
6651
6652 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "stop 11d vdev id %d\n",
6653 ar->vdev_id_11d_scan);
6654
6655 if (ar->state_11d == ATH11K_11D_PREPARING) {
6656 ar->state_11d = ATH11K_11D_IDLE;
6657 complete(&ar->completed_11d_scan);
6658 }
6659
6660 if (ar->vdev_id_11d_scan != ATH11K_11D_INVALID_VDEV_ID) {
6661 vdev_id = ar->vdev_id_11d_scan;
6662
6663 ret = ath11k_wmi_send_11d_scan_stop_cmd(ar, vdev_id);
6664 if (ret) {
6665 ath11k_warn(ar->ab,
6666 "failed to stopt 11d scan vdev %d ret: %d\n",
6667 vdev_id, ret);
6668 } else {
6669 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID;
6670 ar->state_11d = ATH11K_11D_IDLE;
6671 complete(&ar->completed_11d_scan);
6672 }
6673 }
6674 mutex_unlock(&ar->ab->vdev_id_11d_lock);
6675 }
6676
ath11k_mac_11d_scan_stop_all(struct ath11k_base * ab)6677 void ath11k_mac_11d_scan_stop_all(struct ath11k_base *ab)
6678 {
6679 struct ath11k *ar;
6680 struct ath11k_pdev *pdev;
6681 int i;
6682
6683 ath11k_dbg(ab, ATH11K_DBG_MAC, "stop soc 11d scan\n");
6684
6685 for (i = 0; i < ab->num_radios; i++) {
6686 pdev = &ab->pdevs[i];
6687 ar = pdev->ar;
6688
6689 ath11k_mac_11d_scan_stop(ar);
6690 }
6691 }
6692
ath11k_mac_vdev_delete(struct ath11k * ar,struct ath11k_vif * arvif)6693 static int ath11k_mac_vdev_delete(struct ath11k *ar, struct ath11k_vif *arvif)
6694 {
6695 unsigned long time_left;
6696 struct ieee80211_vif *vif = arvif->vif;
6697 int ret = 0;
6698
6699 lockdep_assert_held(&ar->conf_mutex);
6700
6701 reinit_completion(&ar->vdev_delete_done);
6702
6703 ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id);
6704 if (ret) {
6705 ath11k_warn(ar->ab, "failed to delete WMI vdev %d: %d\n",
6706 arvif->vdev_id, ret);
6707 return ret;
6708 }
6709
6710 time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
6711 ATH11K_VDEV_DELETE_TIMEOUT_HZ);
6712 if (time_left == 0) {
6713 ath11k_warn(ar->ab, "Timeout in receiving vdev delete response\n");
6714 return -ETIMEDOUT;
6715 }
6716
6717 ar->ab->free_vdev_map |= 1LL << (arvif->vdev_id);
6718 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
6719 ar->num_created_vdevs--;
6720
6721 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",
6722 vif->addr, arvif->vdev_id);
6723
6724 return ret;
6725 }
6726
ath11k_mac_op_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)6727 static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
6728 struct ieee80211_vif *vif)
6729 {
6730 struct ath11k *ar = hw->priv;
6731 struct ath11k_base *ab = ar->ab;
6732 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
6733 struct vdev_create_params vdev_param = {0};
6734 struct peer_create_params peer_param;
6735 u32 param_id, param_value;
6736 u16 nss;
6737 int i;
6738 int ret, fbret;
6739 int bit;
6740
6741 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
6742
6743 mutex_lock(&ar->conf_mutex);
6744
6745 if (vif->type == NL80211_IFTYPE_AP &&
6746 ar->num_peers > (ar->max_num_peers - 1)) {
6747 ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n");
6748 ret = -ENOBUFS;
6749 goto err;
6750 }
6751
6752 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS(ab) - 1)) {
6753 ath11k_warn(ab, "failed to create vdev %u, reached max vdev limit %d\n",
6754 ar->num_created_vdevs, TARGET_NUM_VDEVS(ab));
6755 ret = -EBUSY;
6756 goto err;
6757 }
6758
6759 memset(arvif, 0, sizeof(*arvif));
6760
6761 arvif->ar = ar;
6762 arvif->vif = vif;
6763
6764 INIT_LIST_HEAD(&arvif->list);
6765 INIT_DELAYED_WORK(&arvif->connection_loss_work,
6766 ath11k_mac_vif_sta_connection_loss_work);
6767
6768 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
6769 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
6770 arvif->bitrate_mask.control[i].gi = NL80211_TXRATE_FORCE_SGI;
6771 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
6772 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
6773 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
6774 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
6775 memset(arvif->bitrate_mask.control[i].he_mcs, 0xff,
6776 sizeof(arvif->bitrate_mask.control[i].he_mcs));
6777 }
6778
6779 bit = __ffs64(ab->free_vdev_map);
6780
6781 arvif->vdev_id = bit;
6782 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
6783
6784 switch (vif->type) {
6785 case NL80211_IFTYPE_UNSPECIFIED:
6786 case NL80211_IFTYPE_STATION:
6787 arvif->vdev_type = WMI_VDEV_TYPE_STA;
6788 break;
6789 case NL80211_IFTYPE_MESH_POINT:
6790 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S;
6791 fallthrough;
6792 case NL80211_IFTYPE_AP:
6793 arvif->vdev_type = WMI_VDEV_TYPE_AP;
6794 break;
6795 case NL80211_IFTYPE_MONITOR:
6796 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
6797 ar->monitor_vdev_id = bit;
6798 break;
6799 default:
6800 WARN_ON(1);
6801 break;
6802 }
6803
6804 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "add interface id %d type %d subtype %d map %llx\n",
6805 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
6806 ab->free_vdev_map);
6807
6808 vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1);
6809 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
6810 vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1);
6811
6812 ret = ath11k_mac_setup_vdev_create_params(arvif, &vdev_param);
6813 if (ret) {
6814 ath11k_warn(ab, "failed to create vdev parameters %d: %d\n",
6815 arvif->vdev_id, ret);
6816 goto err;
6817 }
6818
6819 ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param);
6820 if (ret) {
6821 ath11k_warn(ab, "failed to create WMI vdev %d: %d\n",
6822 arvif->vdev_id, ret);
6823 goto err;
6824 }
6825
6826 ar->num_created_vdevs++;
6827 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n",
6828 vif->addr, arvif->vdev_id);
6829 ar->allocated_vdev_map |= 1LL << arvif->vdev_id;
6830 ab->free_vdev_map &= ~(1LL << arvif->vdev_id);
6831
6832 spin_lock_bh(&ar->data_lock);
6833 list_add(&arvif->list, &ar->arvifs);
6834 spin_unlock_bh(&ar->data_lock);
6835
6836 ath11k_mac_op_update_vif_offload(hw, vif);
6837
6838 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;
6839 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
6840 WMI_VDEV_PARAM_NSS, nss);
6841 if (ret) {
6842 ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",
6843 arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret);
6844 goto err_vdev_del;
6845 }
6846
6847 switch (arvif->vdev_type) {
6848 case WMI_VDEV_TYPE_AP:
6849 peer_param.vdev_id = arvif->vdev_id;
6850 peer_param.peer_addr = vif->addr;
6851 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
6852 ret = ath11k_peer_create(ar, arvif, NULL, &peer_param);
6853 if (ret) {
6854 ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n",
6855 arvif->vdev_id, ret);
6856 goto err_vdev_del;
6857 }
6858
6859 ret = ath11k_mac_set_kickout(arvif);
6860 if (ret) {
6861 ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n",
6862 arvif->vdev_id, ret);
6863 goto err_peer_del;
6864 }
6865
6866 ath11k_mac_11d_scan_stop_all(ar->ab);
6867 break;
6868 case WMI_VDEV_TYPE_STA:
6869 param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
6870 param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
6871 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
6872 param_id, param_value);
6873 if (ret) {
6874 ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n",
6875 arvif->vdev_id, ret);
6876 goto err_peer_del;
6877 }
6878
6879 param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
6880 param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
6881 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
6882 param_id, param_value);
6883 if (ret) {
6884 ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n",
6885 arvif->vdev_id, ret);
6886 goto err_peer_del;
6887 }
6888
6889 param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT;
6890 param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
6891 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
6892 param_id, param_value);
6893 if (ret) {
6894 ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n",
6895 arvif->vdev_id, ret);
6896 goto err_peer_del;
6897 }
6898
6899 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id,
6900 WMI_STA_PS_MODE_DISABLED);
6901 if (ret) {
6902 ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n",
6903 arvif->vdev_id, ret);
6904 goto err_peer_del;
6905 }
6906
6907 if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ab->wmi_ab.svc_map)) {
6908 reinit_completion(&ar->completed_11d_scan);
6909 ar->state_11d = ATH11K_11D_PREPARING;
6910 }
6911 break;
6912 case WMI_VDEV_TYPE_MONITOR:
6913 set_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);
6914 break;
6915 default:
6916 break;
6917 }
6918
6919 arvif->txpower = vif->bss_conf.txpower;
6920 ret = ath11k_mac_txpower_recalc(ar);
6921 if (ret)
6922 goto err_peer_del;
6923
6924 param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
6925 param_value = ar->hw->wiphy->rts_threshold;
6926 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
6927 param_id, param_value);
6928 if (ret) {
6929 ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n",
6930 arvif->vdev_id, ret);
6931 }
6932
6933 ath11k_dp_vdev_tx_attach(ar, arvif);
6934
6935 if (vif->type != NL80211_IFTYPE_MONITOR &&
6936 test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) {
6937 ret = ath11k_mac_monitor_vdev_create(ar);
6938 if (ret)
6939 ath11k_warn(ar->ab, "failed to create monitor vdev during add interface: %d",
6940 ret);
6941 }
6942
6943 mutex_unlock(&ar->conf_mutex);
6944
6945 return 0;
6946
6947 err_peer_del:
6948 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
6949 fbret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);
6950 if (fbret) {
6951 ath11k_warn(ar->ab, "fallback fail to delete peer addr %pM vdev_id %d ret %d\n",
6952 vif->addr, arvif->vdev_id, fbret);
6953 goto err;
6954 }
6955 }
6956
6957 err_vdev_del:
6958 ath11k_mac_vdev_delete(ar, arvif);
6959 spin_lock_bh(&ar->data_lock);
6960 list_del(&arvif->list);
6961 spin_unlock_bh(&ar->data_lock);
6962
6963 err:
6964 mutex_unlock(&ar->conf_mutex);
6965
6966 return ret;
6967 }
6968
ath11k_mac_vif_unref(int buf_id,void * skb,void * ctx)6969 static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx)
6970 {
6971 struct ieee80211_vif *vif = ctx;
6972 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
6973
6974 if (skb_cb->vif == vif)
6975 skb_cb->vif = NULL;
6976
6977 return 0;
6978 }
6979
ath11k_mac_op_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)6980 static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
6981 struct ieee80211_vif *vif)
6982 {
6983 struct ath11k *ar = hw->priv;
6984 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
6985 struct ath11k_base *ab = ar->ab;
6986 int ret;
6987 int i;
6988
6989 cancel_delayed_work_sync(&arvif->connection_loss_work);
6990
6991 mutex_lock(&ar->conf_mutex);
6992
6993 ath11k_dbg(ab, ATH11K_DBG_MAC, "remove interface (vdev %d)\n",
6994 arvif->vdev_id);
6995
6996 ret = ath11k_spectral_vif_stop(arvif);
6997 if (ret)
6998 ath11k_warn(ab, "failed to stop spectral for vdev %i: %d\n",
6999 arvif->vdev_id, ret);
7000
7001 if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
7002 ath11k_mac_11d_scan_stop(ar);
7003
7004 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
7005 ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);
7006 if (ret)
7007 ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n",
7008 arvif->vdev_id, ret);
7009 }
7010
7011 ret = ath11k_mac_vdev_delete(ar, arvif);
7012 if (ret) {
7013 ath11k_warn(ab, "failed to delete vdev %d: %d\n",
7014 arvif->vdev_id, ret);
7015 goto err_vdev_del;
7016 }
7017
7018 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
7019 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);
7020 ar->monitor_vdev_id = -1;
7021 } else if (test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags) &&
7022 !test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) {
7023 ret = ath11k_mac_monitor_vdev_delete(ar);
7024 if (ret)
7025 /* continue even if there's an error */
7026 ath11k_warn(ar->ab, "failed to delete vdev monitor during remove interface: %d",
7027 ret);
7028 }
7029
7030 err_vdev_del:
7031 spin_lock_bh(&ar->data_lock);
7032 list_del(&arvif->list);
7033 spin_unlock_bh(&ar->data_lock);
7034
7035 ath11k_peer_cleanup(ar, arvif->vdev_id);
7036
7037 idr_for_each(&ar->txmgmt_idr,
7038 ath11k_mac_vif_txmgmt_idr_remove, vif);
7039
7040 for (i = 0; i < ab->hw_params.max_tx_ring; i++) {
7041 spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock);
7042 idr_for_each(&ab->dp.tx_ring[i].txbuf_idr,
7043 ath11k_mac_vif_unref, vif);
7044 spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock);
7045 }
7046
7047 /* Recalc txpower for remaining vdev */
7048 ath11k_mac_txpower_recalc(ar);
7049
7050 /* TODO: recal traffic pause state based on the available vdevs */
7051
7052 mutex_unlock(&ar->conf_mutex);
7053 }
7054
7055 /* FIXME: Has to be verified. */
7056 #define SUPPORTED_FILTERS \
7057 (FIF_ALLMULTI | \
7058 FIF_CONTROL | \
7059 FIF_PSPOLL | \
7060 FIF_OTHER_BSS | \
7061 FIF_BCN_PRBRESP_PROMISC | \
7062 FIF_PROBE_REQ | \
7063 FIF_FCSFAIL)
7064
ath11k_mac_op_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)7065 static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw,
7066 unsigned int changed_flags,
7067 unsigned int *total_flags,
7068 u64 multicast)
7069 {
7070 struct ath11k *ar = hw->priv;
7071
7072 mutex_lock(&ar->conf_mutex);
7073
7074 *total_flags &= SUPPORTED_FILTERS;
7075 ar->filter_flags = *total_flags;
7076
7077 mutex_unlock(&ar->conf_mutex);
7078 }
7079
ath11k_mac_op_get_antenna(struct ieee80211_hw * hw,u32 * tx_ant,u32 * rx_ant)7080 static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
7081 {
7082 struct ath11k *ar = hw->priv;
7083
7084 mutex_lock(&ar->conf_mutex);
7085
7086 *tx_ant = ar->cfg_tx_chainmask;
7087 *rx_ant = ar->cfg_rx_chainmask;
7088
7089 mutex_unlock(&ar->conf_mutex);
7090
7091 return 0;
7092 }
7093
ath11k_mac_op_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)7094 static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
7095 {
7096 struct ath11k *ar = hw->priv;
7097 int ret;
7098
7099 mutex_lock(&ar->conf_mutex);
7100 ret = __ath11k_set_antenna(ar, tx_ant, rx_ant);
7101 mutex_unlock(&ar->conf_mutex);
7102
7103 return ret;
7104 }
7105
ath11k_mac_op_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)7106 static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw,
7107 struct ieee80211_vif *vif,
7108 struct ieee80211_ampdu_params *params)
7109 {
7110 struct ath11k *ar = hw->priv;
7111 int ret = -EINVAL;
7112
7113 mutex_lock(&ar->conf_mutex);
7114
7115 switch (params->action) {
7116 case IEEE80211_AMPDU_RX_START:
7117 ret = ath11k_dp_rx_ampdu_start(ar, params);
7118 break;
7119 case IEEE80211_AMPDU_RX_STOP:
7120 ret = ath11k_dp_rx_ampdu_stop(ar, params);
7121 break;
7122 case IEEE80211_AMPDU_TX_START:
7123 case IEEE80211_AMPDU_TX_STOP_CONT:
7124 case IEEE80211_AMPDU_TX_STOP_FLUSH:
7125 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
7126 case IEEE80211_AMPDU_TX_OPERATIONAL:
7127 /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211
7128 * Tx aggregation requests.
7129 */
7130 ret = -EOPNOTSUPP;
7131 break;
7132 }
7133
7134 mutex_unlock(&ar->conf_mutex);
7135
7136 return ret;
7137 }
7138
ath11k_mac_op_add_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)7139 static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw,
7140 struct ieee80211_chanctx_conf *ctx)
7141 {
7142 struct ath11k *ar = hw->priv;
7143 struct ath11k_base *ab = ar->ab;
7144
7145 ath11k_dbg(ab, ATH11K_DBG_MAC,
7146 "chanctx add freq %u width %d ptr %p\n",
7147 ctx->def.chan->center_freq, ctx->def.width, ctx);
7148
7149 mutex_lock(&ar->conf_mutex);
7150
7151 spin_lock_bh(&ar->data_lock);
7152 /* TODO: In case of multiple channel context, populate rx_channel from
7153 * Rx PPDU desc information.
7154 */
7155 ar->rx_channel = ctx->def.chan;
7156 spin_unlock_bh(&ar->data_lock);
7157
7158 mutex_unlock(&ar->conf_mutex);
7159
7160 return 0;
7161 }
7162
ath11k_mac_op_remove_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)7163 static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
7164 struct ieee80211_chanctx_conf *ctx)
7165 {
7166 struct ath11k *ar = hw->priv;
7167 struct ath11k_base *ab = ar->ab;
7168
7169 ath11k_dbg(ab, ATH11K_DBG_MAC,
7170 "chanctx remove freq %u width %d ptr %p\n",
7171 ctx->def.chan->center_freq, ctx->def.width, ctx);
7172
7173 mutex_lock(&ar->conf_mutex);
7174
7175 spin_lock_bh(&ar->data_lock);
7176 /* TODO: In case of there is one more channel context left, populate
7177 * rx_channel with the channel of that remaining channel context.
7178 */
7179 ar->rx_channel = NULL;
7180 spin_unlock_bh(&ar->data_lock);
7181
7182 mutex_unlock(&ar->conf_mutex);
7183 }
7184
7185 static int
ath11k_mac_vdev_start_restart(struct ath11k_vif * arvif,struct ieee80211_chanctx_conf * ctx,bool restart)7186 ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
7187 struct ieee80211_chanctx_conf *ctx,
7188 bool restart)
7189 {
7190 struct ath11k *ar = arvif->ar;
7191 struct ath11k_base *ab = ar->ab;
7192 struct wmi_vdev_start_req_arg arg = {};
7193 const struct cfg80211_chan_def *chandef = &ctx->def;
7194 int ret = 0;
7195 unsigned int dfs_cac_time;
7196
7197 lockdep_assert_held(&ar->conf_mutex);
7198
7199 reinit_completion(&ar->vdev_setup_done);
7200
7201 arg.vdev_id = arvif->vdev_id;
7202 arg.dtim_period = arvif->dtim_period;
7203 arg.bcn_intval = arvif->beacon_interval;
7204
7205 arg.channel.freq = chandef->chan->center_freq;
7206 arg.channel.band_center_freq1 = chandef->center_freq1;
7207 arg.channel.band_center_freq2 = chandef->center_freq2;
7208 arg.channel.mode =
7209 ath11k_phymodes[chandef->chan->band][chandef->width];
7210
7211 arg.channel.min_power = 0;
7212 arg.channel.max_power = chandef->chan->max_power;
7213 arg.channel.max_reg_power = chandef->chan->max_reg_power;
7214 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain;
7215
7216 arg.pref_tx_streams = ar->num_tx_chains;
7217 arg.pref_rx_streams = ar->num_rx_chains;
7218
7219 arg.mbssid_flags = 0;
7220 arg.mbssid_tx_vdev_id = 0;
7221 if (test_bit(WMI_TLV_SERVICE_MBSS_PARAM_IN_VDEV_START_SUPPORT,
7222 ar->ab->wmi_ab.svc_map)) {
7223 ret = ath11k_mac_setup_vdev_params_mbssid(arvif,
7224 &arg.mbssid_flags,
7225 &arg.mbssid_tx_vdev_id);
7226 if (ret)
7227 return ret;
7228 }
7229
7230 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
7231 arg.ssid = arvif->u.ap.ssid;
7232 arg.ssid_len = arvif->u.ap.ssid_len;
7233 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
7234
7235 /* For now allow DFS for AP mode */
7236 arg.channel.chan_radar =
7237 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
7238
7239 arg.channel.freq2_radar = ctx->radar_enabled;
7240
7241 arg.channel.passive = arg.channel.chan_radar;
7242
7243 spin_lock_bh(&ab->base_lock);
7244 arg.regdomain = ar->ab->dfs_region;
7245 spin_unlock_bh(&ab->base_lock);
7246 }
7247
7248 arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);
7249
7250 ath11k_dbg(ab, ATH11K_DBG_MAC,
7251 "vdev %d start center_freq %d phymode %s\n",
7252 arg.vdev_id, arg.channel.freq,
7253 ath11k_wmi_phymode_str(arg.channel.mode));
7254
7255 ret = ath11k_wmi_vdev_start(ar, &arg, restart);
7256 if (ret) {
7257 ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n",
7258 restart ? "restart" : "start", arg.vdev_id);
7259 return ret;
7260 }
7261
7262 ret = ath11k_mac_vdev_setup_sync(ar);
7263 if (ret) {
7264 ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n",
7265 arg.vdev_id, restart ? "restart" : "start", ret);
7266 return ret;
7267 }
7268
7269 if (!restart)
7270 ar->num_started_vdevs++;
7271
7272 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n",
7273 arvif->vif->addr, arvif->vdev_id);
7274
7275 /* Enable CAC Flag in the driver by checking the all sub-channel's DFS
7276 * state as NL80211_DFS_USABLE which indicates CAC needs to be
7277 * done before channel usage. This flags is used to drop rx packets.
7278 * during CAC.
7279 */
7280 /* TODO Set the flag for other interface types as required */
7281 if (arvif->vdev_type == WMI_VDEV_TYPE_AP && ctx->radar_enabled &&
7282 cfg80211_chandef_dfs_usable(ar->hw->wiphy, chandef)) {
7283 set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
7284 dfs_cac_time = cfg80211_chandef_dfs_cac_time(ar->hw->wiphy,
7285 chandef);
7286 ath11k_dbg(ab, ATH11K_DBG_MAC,
7287 "cac started dfs_cac_time %u center_freq %d center_freq1 %d for vdev %d\n",
7288 dfs_cac_time, arg.channel.freq, chandef->center_freq1,
7289 arg.vdev_id);
7290 }
7291
7292 ret = ath11k_mac_set_txbf_conf(arvif);
7293 if (ret)
7294 ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n",
7295 arvif->vdev_id, ret);
7296
7297 return 0;
7298 }
7299
ath11k_mac_vdev_stop(struct ath11k_vif * arvif)7300 static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif)
7301 {
7302 struct ath11k *ar = arvif->ar;
7303 int ret;
7304
7305 lockdep_assert_held(&ar->conf_mutex);
7306
7307 reinit_completion(&ar->vdev_setup_done);
7308
7309 ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id);
7310 if (ret) {
7311 ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n",
7312 arvif->vdev_id, ret);
7313 goto err;
7314 }
7315
7316 ret = ath11k_mac_vdev_setup_sync(ar);
7317 if (ret) {
7318 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n",
7319 arvif->vdev_id, ret);
7320 goto err;
7321 }
7322
7323 WARN_ON(ar->num_started_vdevs == 0);
7324
7325 ar->num_started_vdevs--;
7326 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",
7327 arvif->vif->addr, arvif->vdev_id);
7328
7329 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {
7330 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
7331 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n",
7332 arvif->vdev_id);
7333 }
7334
7335 return 0;
7336 err:
7337 return ret;
7338 }
7339
ath11k_mac_vdev_start(struct ath11k_vif * arvif,struct ieee80211_chanctx_conf * ctx)7340 static int ath11k_mac_vdev_start(struct ath11k_vif *arvif,
7341 struct ieee80211_chanctx_conf *ctx)
7342 {
7343 return ath11k_mac_vdev_start_restart(arvif, ctx, false);
7344 }
7345
ath11k_mac_vdev_restart(struct ath11k_vif * arvif,struct ieee80211_chanctx_conf * ctx)7346 static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif,
7347 struct ieee80211_chanctx_conf *ctx)
7348 {
7349 return ath11k_mac_vdev_start_restart(arvif, ctx, true);
7350 }
7351
7352 struct ath11k_mac_change_chanctx_arg {
7353 struct ieee80211_chanctx_conf *ctx;
7354 struct ieee80211_vif_chanctx_switch *vifs;
7355 int n_vifs;
7356 int next_vif;
7357 };
7358
7359 static void
ath11k_mac_change_chanctx_cnt_iter(void * data,u8 * mac,struct ieee80211_vif * vif)7360 ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
7361 struct ieee80211_vif *vif)
7362 {
7363 struct ath11k_mac_change_chanctx_arg *arg = data;
7364
7365 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx)
7366 return;
7367
7368 arg->n_vifs++;
7369 }
7370
7371 static void
ath11k_mac_change_chanctx_fill_iter(void * data,u8 * mac,struct ieee80211_vif * vif)7372 ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
7373 struct ieee80211_vif *vif)
7374 {
7375 struct ath11k_mac_change_chanctx_arg *arg = data;
7376 struct ieee80211_chanctx_conf *ctx;
7377
7378 ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf);
7379 if (ctx != arg->ctx)
7380 return;
7381
7382 if (WARN_ON(arg->next_vif == arg->n_vifs))
7383 return;
7384
7385 arg->vifs[arg->next_vif].vif = vif;
7386 arg->vifs[arg->next_vif].old_ctx = ctx;
7387 arg->vifs[arg->next_vif].new_ctx = ctx;
7388 arg->next_vif++;
7389 }
7390
7391 static void
ath11k_mac_update_vif_chan(struct ath11k * ar,struct ieee80211_vif_chanctx_switch * vifs,int n_vifs)7392 ath11k_mac_update_vif_chan(struct ath11k *ar,
7393 struct ieee80211_vif_chanctx_switch *vifs,
7394 int n_vifs)
7395 {
7396 struct ath11k_base *ab = ar->ab;
7397 struct ath11k_vif *arvif, *tx_arvif = NULL;
7398 struct ieee80211_vif *mbssid_tx_vif;
7399 int ret;
7400 int i;
7401 bool monitor_vif = false;
7402
7403 lockdep_assert_held(&ar->conf_mutex);
7404
7405 /* Associated channel resources of all relevant vdevs
7406 * should be available for the channel switch now.
7407 */
7408
7409 /* TODO: Update ar->rx_channel */
7410
7411 for (i = 0; i < n_vifs; i++) {
7412 arvif = ath11k_vif_to_arvif(vifs[i].vif);
7413
7414 if (WARN_ON(!arvif->is_started))
7415 continue;
7416
7417 /* change_chanctx can be called even before vdev_up from
7418 * ieee80211_start_ap->ieee80211_vif_use_channel->
7419 * ieee80211_recalc_radar_chanctx.
7420 *
7421 * Firmware expect vdev_restart only if vdev is up.
7422 * If vdev is down then it expect vdev_stop->vdev_start.
7423 */
7424 if (arvif->is_up) {
7425 ret = ath11k_mac_vdev_restart(arvif, vifs[i].new_ctx);
7426 if (ret) {
7427 ath11k_warn(ab, "failed to restart vdev %d: %d\n",
7428 arvif->vdev_id, ret);
7429 continue;
7430 }
7431 } else {
7432 ret = ath11k_mac_vdev_stop(arvif);
7433 if (ret) {
7434 ath11k_warn(ab, "failed to stop vdev %d: %d\n",
7435 arvif->vdev_id, ret);
7436 continue;
7437 }
7438
7439 ret = ath11k_mac_vdev_start(arvif, vifs[i].new_ctx);
7440 if (ret)
7441 ath11k_warn(ab, "failed to start vdev %d: %d\n",
7442 arvif->vdev_id, ret);
7443
7444 continue;
7445 }
7446
7447 ret = ath11k_mac_setup_bcn_tmpl(arvif);
7448 if (ret)
7449 ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n",
7450 ret);
7451
7452 mbssid_tx_vif = arvif->vif->mbssid_tx_vif;
7453 if (mbssid_tx_vif)
7454 tx_arvif = ath11k_vif_to_arvif(mbssid_tx_vif);
7455
7456 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
7457 arvif->bssid,
7458 tx_arvif ? tx_arvif->bssid : NULL,
7459 arvif->vif->bss_conf.bssid_index,
7460 1 << arvif->vif->bss_conf.bssid_indicator);
7461 if (ret) {
7462 ath11k_warn(ab, "failed to bring vdev up %d: %d\n",
7463 arvif->vdev_id, ret);
7464 continue;
7465 }
7466 }
7467
7468 /* Restart the internal monitor vdev on new channel */
7469 if (!monitor_vif &&
7470 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {
7471 ret = ath11k_mac_monitor_stop(ar);
7472 if (ret) {
7473 ath11k_warn(ar->ab, "failed to stop monitor during vif channel update: %d",
7474 ret);
7475 return;
7476 }
7477
7478 ret = ath11k_mac_monitor_start(ar);
7479 if (ret) {
7480 ath11k_warn(ar->ab, "failed to start monitor during vif channel update: %d",
7481 ret);
7482 return;
7483 }
7484 }
7485 }
7486
7487 static void
ath11k_mac_update_active_vif_chan(struct ath11k * ar,struct ieee80211_chanctx_conf * ctx)7488 ath11k_mac_update_active_vif_chan(struct ath11k *ar,
7489 struct ieee80211_chanctx_conf *ctx)
7490 {
7491 struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx };
7492
7493 lockdep_assert_held(&ar->conf_mutex);
7494
7495 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7496 IEEE80211_IFACE_ITER_NORMAL,
7497 ath11k_mac_change_chanctx_cnt_iter,
7498 &arg);
7499 if (arg.n_vifs == 0)
7500 return;
7501
7502 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL);
7503 if (!arg.vifs)
7504 return;
7505
7506 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7507 IEEE80211_IFACE_ITER_NORMAL,
7508 ath11k_mac_change_chanctx_fill_iter,
7509 &arg);
7510
7511 ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
7512
7513 kfree(arg.vifs);
7514 }
7515
ath11k_mac_op_change_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx,u32 changed)7516 static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw,
7517 struct ieee80211_chanctx_conf *ctx,
7518 u32 changed)
7519 {
7520 struct ath11k *ar = hw->priv;
7521 struct ath11k_base *ab = ar->ab;
7522
7523 mutex_lock(&ar->conf_mutex);
7524
7525 ath11k_dbg(ab, ATH11K_DBG_MAC,
7526 "chanctx change freq %u width %d ptr %p changed %x\n",
7527 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
7528
7529 /* This shouldn't really happen because channel switching should use
7530 * switch_vif_chanctx().
7531 */
7532 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
7533 goto unlock;
7534
7535 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH ||
7536 changed & IEEE80211_CHANCTX_CHANGE_RADAR)
7537 ath11k_mac_update_active_vif_chan(ar, ctx);
7538
7539 /* TODO: Recalc radar detection */
7540
7541 unlock:
7542 mutex_unlock(&ar->conf_mutex);
7543 }
7544
ath11k_start_vdev_delay(struct ieee80211_hw * hw,struct ieee80211_vif * vif)7545 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw,
7546 struct ieee80211_vif *vif)
7547 {
7548 struct ath11k *ar = hw->priv;
7549 struct ath11k_base *ab = ar->ab;
7550 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
7551 int ret;
7552
7553 if (WARN_ON(arvif->is_started))
7554 return -EBUSY;
7555
7556 ret = ath11k_mac_vdev_start(arvif, &arvif->chanctx);
7557 if (ret) {
7558 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
7559 arvif->vdev_id, vif->addr,
7560 arvif->chanctx.def.chan->center_freq, ret);
7561 return ret;
7562 }
7563
7564 /* Reconfigure hardware rate code since it is cleared by firmware.
7565 */
7566 if (ar->hw_rate_code > 0) {
7567 u32 vdev_param = WMI_VDEV_PARAM_MGMT_RATE;
7568
7569 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
7570 ar->hw_rate_code);
7571 if (ret) {
7572 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);
7573 return ret;
7574 }
7575 }
7576
7577 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
7578 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, 0, ar->mac_addr,
7579 NULL, 0, 0);
7580 if (ret) {
7581 ath11k_warn(ab, "failed put monitor up: %d\n", ret);
7582 return ret;
7583 }
7584 }
7585
7586 arvif->is_started = true;
7587
7588 /* TODO: Setup ps and cts/rts protection */
7589 return 0;
7590 }
7591
7592 static int
ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)7593 ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
7594 struct ieee80211_vif *vif,
7595 struct ieee80211_bss_conf *link_conf,
7596 struct ieee80211_chanctx_conf *ctx)
7597 {
7598 struct ath11k *ar = hw->priv;
7599 struct ath11k_base *ab = ar->ab;
7600 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
7601 int ret;
7602 struct peer_create_params param;
7603
7604 mutex_lock(&ar->conf_mutex);
7605
7606 ath11k_dbg(ab, ATH11K_DBG_MAC,
7607 "chanctx assign ptr %p vdev_id %i\n",
7608 ctx, arvif->vdev_id);
7609
7610 /* for QCA6390 bss peer must be created before vdev_start */
7611 if (ab->hw_params.vdev_start_delay &&
7612 arvif->vdev_type != WMI_VDEV_TYPE_AP &&
7613 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
7614 !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) {
7615 memcpy(&arvif->chanctx, ctx, sizeof(*ctx));
7616 ret = 0;
7617 goto out;
7618 }
7619
7620 if (WARN_ON(arvif->is_started)) {
7621 ret = -EBUSY;
7622 goto out;
7623 }
7624
7625 if (ab->hw_params.vdev_start_delay &&
7626 arvif->vdev_type != WMI_VDEV_TYPE_AP &&
7627 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR) {
7628 param.vdev_id = arvif->vdev_id;
7629 param.peer_type = WMI_PEER_TYPE_DEFAULT;
7630 param.peer_addr = ar->mac_addr;
7631
7632 ret = ath11k_peer_create(ar, arvif, NULL, ¶m);
7633 if (ret) {
7634 ath11k_warn(ab, "failed to create peer after vdev start delay: %d",
7635 ret);
7636 goto out;
7637 }
7638 }
7639
7640 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
7641 ret = ath11k_mac_monitor_start(ar);
7642 if (ret) {
7643 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d",
7644 ret);
7645 goto out;
7646 }
7647
7648 arvif->is_started = true;
7649 goto out;
7650 }
7651
7652 ret = ath11k_mac_vdev_start(arvif, ctx);
7653 if (ret) {
7654 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
7655 arvif->vdev_id, vif->addr,
7656 ctx->def.chan->center_freq, ret);
7657 goto out;
7658 }
7659
7660 arvif->is_started = true;
7661
7662 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
7663 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {
7664 ret = ath11k_mac_monitor_start(ar);
7665 if (ret) {
7666 ath11k_warn(ar->ab, "failed to start monitor during vif channel context assignment: %d",
7667 ret);
7668 goto out;
7669 }
7670 }
7671
7672 /* TODO: Setup ps and cts/rts protection */
7673
7674 ret = 0;
7675
7676 out:
7677 mutex_unlock(&ar->conf_mutex);
7678
7679 return ret;
7680 }
7681
7682 static void
ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)7683 ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
7684 struct ieee80211_vif *vif,
7685 struct ieee80211_bss_conf *link_conf,
7686 struct ieee80211_chanctx_conf *ctx)
7687 {
7688 struct ath11k *ar = hw->priv;
7689 struct ath11k_base *ab = ar->ab;
7690 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
7691 struct ath11k_peer *peer;
7692 int ret;
7693
7694 mutex_lock(&ar->conf_mutex);
7695
7696 ath11k_dbg(ab, ATH11K_DBG_MAC,
7697 "chanctx unassign ptr %p vdev_id %i\n",
7698 ctx, arvif->vdev_id);
7699
7700 WARN_ON(!arvif->is_started);
7701
7702 if (ab->hw_params.vdev_start_delay &&
7703 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
7704 spin_lock_bh(&ab->base_lock);
7705 peer = ath11k_peer_find_by_addr(ab, ar->mac_addr);
7706 spin_unlock_bh(&ab->base_lock);
7707 if (peer)
7708 ath11k_peer_delete(ar, arvif->vdev_id, ar->mac_addr);
7709 }
7710
7711 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
7712 ret = ath11k_mac_monitor_stop(ar);
7713 if (ret) {
7714 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d",
7715 ret);
7716 mutex_unlock(&ar->conf_mutex);
7717 return;
7718 }
7719
7720 arvif->is_started = false;
7721 mutex_unlock(&ar->conf_mutex);
7722 return;
7723 }
7724
7725 ret = ath11k_mac_vdev_stop(arvif);
7726 if (ret)
7727 ath11k_warn(ab, "failed to stop vdev %i: %d\n",
7728 arvif->vdev_id, ret);
7729
7730 arvif->is_started = false;
7731
7732 if (ab->hw_params.vdev_start_delay &&
7733 arvif->vdev_type == WMI_VDEV_TYPE_STA) {
7734 ret = ath11k_peer_delete(ar, arvif->vdev_id, arvif->bssid);
7735 if (ret)
7736 ath11k_warn(ar->ab,
7737 "failed to delete peer %pM for vdev %d: %d\n",
7738 arvif->bssid, arvif->vdev_id, ret);
7739 else
7740 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
7741 "removed peer %pM vdev %d after vdev stop\n",
7742 arvif->bssid, arvif->vdev_id);
7743 }
7744
7745 if (ab->hw_params.vdev_start_delay &&
7746 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
7747 ath11k_wmi_vdev_down(ar, arvif->vdev_id);
7748
7749 if (arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
7750 ar->num_started_vdevs == 1 &&
7751 test_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags)) {
7752 ret = ath11k_mac_monitor_stop(ar);
7753 if (ret)
7754 /* continue even if there's an error */
7755 ath11k_warn(ar->ab, "failed to stop monitor during vif channel context unassignment: %d",
7756 ret);
7757 }
7758
7759 if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
7760 ath11k_mac_11d_scan_start(ar, arvif->vdev_id);
7761
7762 mutex_unlock(&ar->conf_mutex);
7763 }
7764
7765 static int
ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif_chanctx_switch * vifs,int n_vifs,enum ieee80211_chanctx_switch_mode mode)7766 ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
7767 struct ieee80211_vif_chanctx_switch *vifs,
7768 int n_vifs,
7769 enum ieee80211_chanctx_switch_mode mode)
7770 {
7771 struct ath11k *ar = hw->priv;
7772
7773 mutex_lock(&ar->conf_mutex);
7774
7775 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
7776 "chanctx switch n_vifs %d mode %d\n",
7777 n_vifs, mode);
7778 ath11k_mac_update_vif_chan(ar, vifs, n_vifs);
7779
7780 mutex_unlock(&ar->conf_mutex);
7781
7782 return 0;
7783 }
7784
7785 static int
ath11k_set_vdev_param_to_all_vifs(struct ath11k * ar,int param,u32 value)7786 ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value)
7787 {
7788 struct ath11k_vif *arvif;
7789 int ret = 0;
7790
7791 mutex_lock(&ar->conf_mutex);
7792 list_for_each_entry(arvif, &ar->arvifs, list) {
7793 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n",
7794 param, arvif->vdev_id, value);
7795
7796 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
7797 param, value);
7798 if (ret) {
7799 ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n",
7800 param, arvif->vdev_id, ret);
7801 break;
7802 }
7803 }
7804 mutex_unlock(&ar->conf_mutex);
7805 return ret;
7806 }
7807
7808 /* mac80211 stores device specific RTS/Fragmentation threshold value,
7809 * this is set interface specific to firmware from ath11k driver
7810 */
ath11k_mac_op_set_rts_threshold(struct ieee80211_hw * hw,u32 value)7811 static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
7812 {
7813 struct ath11k *ar = hw->priv;
7814 int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
7815
7816 return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value);
7817 }
7818
ath11k_mac_op_set_frag_threshold(struct ieee80211_hw * hw,u32 value)7819 static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
7820 {
7821 /* Even though there's a WMI vdev param for fragmentation threshold no
7822 * known firmware actually implements it. Moreover it is not possible to
7823 * rely frame fragmentation to mac80211 because firmware clears the
7824 * "more fragments" bit in frame control making it impossible for remote
7825 * devices to reassemble frames.
7826 *
7827 * Hence implement a dummy callback just to say fragmentation isn't
7828 * supported. This effectively prevents mac80211 from doing frame
7829 * fragmentation in software.
7830 */
7831 return -EOPNOTSUPP;
7832 }
7833
ath11k_mac_flush_tx_complete(struct ath11k * ar)7834 static int ath11k_mac_flush_tx_complete(struct ath11k *ar)
7835 {
7836 long time_left;
7837 int ret = 0;
7838
7839 time_left = wait_event_timeout(ar->dp.tx_empty_waitq,
7840 (atomic_read(&ar->dp.num_tx_pending) == 0),
7841 ATH11K_FLUSH_TIMEOUT);
7842 if (time_left == 0) {
7843 ath11k_warn(ar->ab, "failed to flush transmit queue, data pkts pending %d\n",
7844 atomic_read(&ar->dp.num_tx_pending));
7845 ret = -ETIMEDOUT;
7846 }
7847
7848 time_left = wait_event_timeout(ar->txmgmt_empty_waitq,
7849 (atomic_read(&ar->num_pending_mgmt_tx) == 0),
7850 ATH11K_FLUSH_TIMEOUT);
7851 if (time_left == 0) {
7852 ath11k_warn(ar->ab, "failed to flush mgmt transmit queue, mgmt pkts pending %d\n",
7853 atomic_read(&ar->num_pending_mgmt_tx));
7854 ret = -ETIMEDOUT;
7855 }
7856
7857 return ret;
7858 }
7859
ath11k_mac_wait_tx_complete(struct ath11k * ar)7860 int ath11k_mac_wait_tx_complete(struct ath11k *ar)
7861 {
7862 ath11k_mac_drain_tx(ar);
7863 return ath11k_mac_flush_tx_complete(ar);
7864 }
7865
ath11k_mac_op_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)7866 static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7867 u32 queues, bool drop)
7868 {
7869 struct ath11k *ar = hw->priv;
7870
7871 if (drop)
7872 return;
7873
7874 ath11k_mac_flush_tx_complete(ar);
7875 }
7876
7877 static bool
ath11k_mac_has_single_legacy_rate(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)7878 ath11k_mac_has_single_legacy_rate(struct ath11k *ar,
7879 enum nl80211_band band,
7880 const struct cfg80211_bitrate_mask *mask)
7881 {
7882 int num_rates = 0;
7883
7884 num_rates = hweight32(mask->control[band].legacy);
7885
7886 if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask))
7887 return false;
7888
7889 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask))
7890 return false;
7891
7892 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask))
7893 return false;
7894
7895 return num_rates == 1;
7896 }
7897
7898 static __le16
ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap * he_cap)7899 ath11k_mac_get_tx_mcs_map(const struct ieee80211_sta_he_cap *he_cap)
7900 {
7901 if (he_cap->he_cap_elem.phy_cap_info[0] &
7902 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
7903 return he_cap->he_mcs_nss_supp.tx_mcs_80p80;
7904
7905 if (he_cap->he_cap_elem.phy_cap_info[0] &
7906 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
7907 return he_cap->he_mcs_nss_supp.tx_mcs_160;
7908
7909 return he_cap->he_mcs_nss_supp.tx_mcs_80;
7910 }
7911
7912 static bool
ath11k_mac_bitrate_mask_get_single_nss(struct ath11k * ar,struct ath11k_vif * arvif,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask,int * nss)7913 ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar,
7914 struct ath11k_vif *arvif,
7915 enum nl80211_band band,
7916 const struct cfg80211_bitrate_mask *mask,
7917 int *nss)
7918 {
7919 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
7920 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
7921 const struct ieee80211_sta_he_cap *he_cap;
7922 u16 he_mcs_map = 0;
7923 u8 ht_nss_mask = 0;
7924 u8 vht_nss_mask = 0;
7925 u8 he_nss_mask = 0;
7926 int i;
7927
7928 /* No need to consider legacy here. Basic rates are always present
7929 * in bitrate mask
7930 */
7931
7932 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
7933 if (mask->control[band].ht_mcs[i] == 0)
7934 continue;
7935 else if (mask->control[band].ht_mcs[i] ==
7936 sband->ht_cap.mcs.rx_mask[i])
7937 ht_nss_mask |= BIT(i);
7938 else
7939 return false;
7940 }
7941
7942 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
7943 if (mask->control[band].vht_mcs[i] == 0)
7944 continue;
7945 else if (mask->control[band].vht_mcs[i] ==
7946 ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
7947 vht_nss_mask |= BIT(i);
7948 else
7949 return false;
7950 }
7951
7952 he_cap = ieee80211_get_he_iftype_cap_vif(sband, arvif->vif);
7953 if (!he_cap)
7954 return false;
7955
7956 he_mcs_map = le16_to_cpu(ath11k_mac_get_tx_mcs_map(he_cap));
7957
7958 for (i = 0; i < ARRAY_SIZE(mask->control[band].he_mcs); i++) {
7959 if (mask->control[band].he_mcs[i] == 0)
7960 continue;
7961
7962 if (mask->control[band].he_mcs[i] ==
7963 ath11k_mac_get_max_he_mcs_map(he_mcs_map, i))
7964 he_nss_mask |= BIT(i);
7965 else
7966 return false;
7967 }
7968
7969 if (ht_nss_mask != vht_nss_mask || ht_nss_mask != he_nss_mask)
7970 return false;
7971
7972 if (ht_nss_mask == 0)
7973 return false;
7974
7975 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
7976 return false;
7977
7978 *nss = fls(ht_nss_mask);
7979
7980 return true;
7981 }
7982
7983 static int
ath11k_mac_get_single_legacy_rate(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask,u32 * rate,u8 * nss)7984 ath11k_mac_get_single_legacy_rate(struct ath11k *ar,
7985 enum nl80211_band band,
7986 const struct cfg80211_bitrate_mask *mask,
7987 u32 *rate, u8 *nss)
7988 {
7989 int rate_idx;
7990 u16 bitrate;
7991 u8 preamble;
7992 u8 hw_rate;
7993
7994 if (hweight32(mask->control[band].legacy) != 1)
7995 return -EINVAL;
7996
7997 rate_idx = ffs(mask->control[band].legacy) - 1;
7998
7999 if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ)
8000 rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;
8001
8002 hw_rate = ath11k_legacy_rates[rate_idx].hw_value;
8003 bitrate = ath11k_legacy_rates[rate_idx].bitrate;
8004
8005 if (ath11k_mac_bitrate_is_cck(bitrate))
8006 preamble = WMI_RATE_PREAMBLE_CCK;
8007 else
8008 preamble = WMI_RATE_PREAMBLE_OFDM;
8009
8010 *nss = 1;
8011 *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble);
8012
8013 return 0;
8014 }
8015
8016 static int
ath11k_mac_set_fixed_rate_gi_ltf(struct ath11k_vif * arvif,u8 he_gi,u8 he_ltf)8017 ath11k_mac_set_fixed_rate_gi_ltf(struct ath11k_vif *arvif, u8 he_gi, u8 he_ltf)
8018 {
8019 struct ath11k *ar = arvif->ar;
8020 int ret;
8021
8022 /* 0.8 = 0, 1.6 = 2 and 3.2 = 3. */
8023 if (he_gi && he_gi != 0xFF)
8024 he_gi += 1;
8025
8026 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8027 WMI_VDEV_PARAM_SGI, he_gi);
8028 if (ret) {
8029 ath11k_warn(ar->ab, "failed to set he gi %d: %d\n",
8030 he_gi, ret);
8031 return ret;
8032 }
8033 /* start from 1 */
8034 if (he_ltf != 0xFF)
8035 he_ltf += 1;
8036
8037 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8038 WMI_VDEV_PARAM_HE_LTF, he_ltf);
8039 if (ret) {
8040 ath11k_warn(ar->ab, "failed to set he ltf %d: %d\n",
8041 he_ltf, ret);
8042 return ret;
8043 }
8044
8045 return 0;
8046 }
8047
8048 static int
ath11k_mac_set_auto_rate_gi_ltf(struct ath11k_vif * arvif,u16 he_gi,u8 he_ltf)8049 ath11k_mac_set_auto_rate_gi_ltf(struct ath11k_vif *arvif, u16 he_gi, u8 he_ltf)
8050 {
8051 struct ath11k *ar = arvif->ar;
8052 int ret;
8053 u32 he_ar_gi_ltf;
8054
8055 if (he_gi != 0xFF) {
8056 switch (he_gi) {
8057 case NL80211_RATE_INFO_HE_GI_0_8:
8058 he_gi = WMI_AUTORATE_800NS_GI;
8059 break;
8060 case NL80211_RATE_INFO_HE_GI_1_6:
8061 he_gi = WMI_AUTORATE_1600NS_GI;
8062 break;
8063 case NL80211_RATE_INFO_HE_GI_3_2:
8064 he_gi = WMI_AUTORATE_3200NS_GI;
8065 break;
8066 default:
8067 ath11k_warn(ar->ab, "invalid he gi: %d\n", he_gi);
8068 return -EINVAL;
8069 }
8070 }
8071
8072 if (he_ltf != 0xFF) {
8073 switch (he_ltf) {
8074 case NL80211_RATE_INFO_HE_1XLTF:
8075 he_ltf = WMI_HE_AUTORATE_LTF_1X;
8076 break;
8077 case NL80211_RATE_INFO_HE_2XLTF:
8078 he_ltf = WMI_HE_AUTORATE_LTF_2X;
8079 break;
8080 case NL80211_RATE_INFO_HE_4XLTF:
8081 he_ltf = WMI_HE_AUTORATE_LTF_4X;
8082 break;
8083 default:
8084 ath11k_warn(ar->ab, "invalid he ltf: %d\n", he_ltf);
8085 return -EINVAL;
8086 }
8087 }
8088
8089 he_ar_gi_ltf = he_gi | he_ltf;
8090 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8091 WMI_VDEV_PARAM_AUTORATE_MISC_CFG,
8092 he_ar_gi_ltf);
8093 if (ret) {
8094 ath11k_warn(ar->ab,
8095 "failed to set he autorate gi %u ltf %u: %d\n",
8096 he_gi, he_ltf, ret);
8097 return ret;
8098 }
8099
8100 return 0;
8101 }
8102
ath11k_mac_set_rate_params(struct ath11k_vif * arvif,u32 rate,u8 nss,u8 sgi,u8 ldpc,u8 he_gi,u8 he_ltf,bool he_fixed_rate)8103 static int ath11k_mac_set_rate_params(struct ath11k_vif *arvif,
8104 u32 rate, u8 nss, u8 sgi, u8 ldpc,
8105 u8 he_gi, u8 he_ltf, bool he_fixed_rate)
8106 {
8107 struct ath11k *ar = arvif->ar;
8108 u32 vdev_param;
8109 int ret;
8110
8111 lockdep_assert_held(&ar->conf_mutex);
8112
8113 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
8114 "set rate params vdev %i rate 0x%02x nss 0x%02x sgi 0x%02x ldpc 0x%02x he_gi 0x%02x he_ltf 0x%02x he_fixed_rate %d\n",
8115 arvif->vdev_id, rate, nss, sgi, ldpc, he_gi,
8116 he_ltf, he_fixed_rate);
8117
8118 if (!arvif->vif->bss_conf.he_support) {
8119 vdev_param = WMI_VDEV_PARAM_FIXED_RATE;
8120 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8121 vdev_param, rate);
8122 if (ret) {
8123 ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n",
8124 rate, ret);
8125 return ret;
8126 }
8127 }
8128
8129 vdev_param = WMI_VDEV_PARAM_NSS;
8130 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8131 vdev_param, nss);
8132 if (ret) {
8133 ath11k_warn(ar->ab, "failed to set nss param %d: %d\n",
8134 nss, ret);
8135 return ret;
8136 }
8137
8138 vdev_param = WMI_VDEV_PARAM_LDPC;
8139 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8140 vdev_param, ldpc);
8141 if (ret) {
8142 ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n",
8143 ldpc, ret);
8144 return ret;
8145 }
8146
8147 if (arvif->vif->bss_conf.he_support) {
8148 if (he_fixed_rate) {
8149 ret = ath11k_mac_set_fixed_rate_gi_ltf(arvif, he_gi,
8150 he_ltf);
8151 if (ret) {
8152 ath11k_warn(ar->ab, "failed to set fixed rate gi ltf: %d\n",
8153 ret);
8154 return ret;
8155 }
8156 } else {
8157 ret = ath11k_mac_set_auto_rate_gi_ltf(arvif, he_gi,
8158 he_ltf);
8159 if (ret) {
8160 ath11k_warn(ar->ab, "failed to set auto rate gi ltf: %d\n",
8161 ret);
8162 return ret;
8163 }
8164 }
8165 } else {
8166 vdev_param = WMI_VDEV_PARAM_SGI;
8167 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
8168 vdev_param, sgi);
8169 if (ret) {
8170 ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n",
8171 sgi, ret);
8172 return ret;
8173 }
8174 }
8175
8176 return 0;
8177 }
8178
8179 static bool
ath11k_mac_vht_mcs_range_present(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)8180 ath11k_mac_vht_mcs_range_present(struct ath11k *ar,
8181 enum nl80211_band band,
8182 const struct cfg80211_bitrate_mask *mask)
8183 {
8184 int i;
8185 u16 vht_mcs;
8186
8187 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8188 vht_mcs = mask->control[band].vht_mcs[i];
8189
8190 switch (vht_mcs) {
8191 case 0:
8192 case BIT(8) - 1:
8193 case BIT(9) - 1:
8194 case BIT(10) - 1:
8195 break;
8196 default:
8197 return false;
8198 }
8199 }
8200
8201 return true;
8202 }
8203
8204 static bool
ath11k_mac_he_mcs_range_present(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)8205 ath11k_mac_he_mcs_range_present(struct ath11k *ar,
8206 enum nl80211_band band,
8207 const struct cfg80211_bitrate_mask *mask)
8208 {
8209 int i;
8210 u16 he_mcs;
8211
8212 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
8213 he_mcs = mask->control[band].he_mcs[i];
8214
8215 switch (he_mcs) {
8216 case 0:
8217 case BIT(8) - 1:
8218 case BIT(10) - 1:
8219 case BIT(12) - 1:
8220 break;
8221 default:
8222 return false;
8223 }
8224 }
8225
8226 return true;
8227 }
8228
ath11k_mac_set_bitrate_mask_iter(void * data,struct ieee80211_sta * sta)8229 static void ath11k_mac_set_bitrate_mask_iter(void *data,
8230 struct ieee80211_sta *sta)
8231 {
8232 struct ath11k_vif *arvif = data;
8233 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
8234 struct ath11k *ar = arvif->ar;
8235
8236 spin_lock_bh(&ar->data_lock);
8237 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
8238 spin_unlock_bh(&ar->data_lock);
8239
8240 ieee80211_queue_work(ar->hw, &arsta->update_wk);
8241 }
8242
ath11k_mac_disable_peer_fixed_rate(void * data,struct ieee80211_sta * sta)8243 static void ath11k_mac_disable_peer_fixed_rate(void *data,
8244 struct ieee80211_sta *sta)
8245 {
8246 struct ath11k_vif *arvif = data;
8247 struct ath11k *ar = arvif->ar;
8248 int ret;
8249
8250 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
8251 arvif->vdev_id,
8252 WMI_PEER_PARAM_FIXED_RATE,
8253 WMI_FIXED_RATE_NONE);
8254 if (ret)
8255 ath11k_warn(ar->ab,
8256 "failed to disable peer fixed rate for STA %pM ret %d\n",
8257 sta->addr, ret);
8258 }
8259
8260 static bool
ath11k_mac_validate_vht_he_fixed_rate_settings(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)8261 ath11k_mac_validate_vht_he_fixed_rate_settings(struct ath11k *ar, enum nl80211_band band,
8262 const struct cfg80211_bitrate_mask *mask)
8263 {
8264 bool he_fixed_rate = false, vht_fixed_rate = false;
8265 struct ath11k_peer *peer;
8266 const u16 *vht_mcs_mask, *he_mcs_mask;
8267 struct ieee80211_link_sta *deflink;
8268 u8 vht_nss, he_nss;
8269 bool ret = true;
8270
8271 vht_mcs_mask = mask->control[band].vht_mcs;
8272 he_mcs_mask = mask->control[band].he_mcs;
8273
8274 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask) == 1)
8275 vht_fixed_rate = true;
8276
8277 if (ath11k_mac_bitrate_mask_num_he_rates(ar, band, mask) == 1)
8278 he_fixed_rate = true;
8279
8280 if (!vht_fixed_rate && !he_fixed_rate)
8281 return true;
8282
8283 vht_nss = ath11k_mac_max_vht_nss(vht_mcs_mask);
8284 he_nss = ath11k_mac_max_he_nss(he_mcs_mask);
8285
8286 rcu_read_lock();
8287 spin_lock_bh(&ar->ab->base_lock);
8288 list_for_each_entry(peer, &ar->ab->peers, list) {
8289 if (peer->sta) {
8290 deflink = &peer->sta->deflink;
8291
8292 if (vht_fixed_rate && (!deflink->vht_cap.vht_supported ||
8293 deflink->rx_nss < vht_nss)) {
8294 ret = false;
8295 goto out;
8296 }
8297
8298 if (he_fixed_rate && (!deflink->he_cap.has_he ||
8299 deflink->rx_nss < he_nss)) {
8300 ret = false;
8301 goto out;
8302 }
8303 }
8304 }
8305
8306 out:
8307 spin_unlock_bh(&ar->ab->base_lock);
8308 rcu_read_unlock();
8309 return ret;
8310 }
8311
8312 static int
ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)8313 ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
8314 struct ieee80211_vif *vif,
8315 const struct cfg80211_bitrate_mask *mask)
8316 {
8317 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
8318 struct cfg80211_chan_def def;
8319 struct ath11k_pdev_cap *cap;
8320 struct ath11k *ar = arvif->ar;
8321 enum nl80211_band band;
8322 const u8 *ht_mcs_mask;
8323 const u16 *vht_mcs_mask;
8324 const u16 *he_mcs_mask;
8325 u8 he_ltf = 0;
8326 u8 he_gi = 0;
8327 u32 rate;
8328 u8 nss;
8329 u8 sgi;
8330 u8 ldpc;
8331 int single_nss;
8332 int ret;
8333 int num_rates;
8334 bool he_fixed_rate = false;
8335
8336 if (ath11k_mac_vif_chan(vif, &def))
8337 return -EPERM;
8338
8339 band = def.chan->band;
8340 cap = &ar->pdev->cap;
8341 ht_mcs_mask = mask->control[band].ht_mcs;
8342 vht_mcs_mask = mask->control[band].vht_mcs;
8343 he_mcs_mask = mask->control[band].he_mcs;
8344 ldpc = !!(cap->band[band].ht_cap_info & WMI_HT_CAP_TX_LDPC);
8345
8346 sgi = mask->control[band].gi;
8347 if (sgi == NL80211_TXRATE_FORCE_LGI)
8348 return -EINVAL;
8349
8350 he_gi = mask->control[band].he_gi;
8351 he_ltf = mask->control[band].he_ltf;
8352
8353 /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it
8354 * requires passing at least one of used basic rates along with them.
8355 * Fixed rate setting across different preambles(legacy, HT, VHT) is
8356 * not supported by the FW. Hence use of FIXED_RATE vdev param is not
8357 * suitable for setting single HT/VHT rates.
8358 * But, there could be a single basic rate passed from userspace which
8359 * can be done through the FIXED_RATE param.
8360 */
8361 if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) {
8362 ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate,
8363 &nss);
8364 if (ret) {
8365 ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n",
8366 arvif->vdev_id, ret);
8367 return ret;
8368 }
8369 ieee80211_iterate_stations_atomic(ar->hw,
8370 ath11k_mac_disable_peer_fixed_rate,
8371 arvif);
8372 } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, arvif, band, mask,
8373 &single_nss)) {
8374 rate = WMI_FIXED_RATE_NONE;
8375 nss = single_nss;
8376 mutex_lock(&ar->conf_mutex);
8377 arvif->bitrate_mask = *mask;
8378 ieee80211_iterate_stations_atomic(ar->hw,
8379 ath11k_mac_set_bitrate_mask_iter,
8380 arvif);
8381 mutex_unlock(&ar->conf_mutex);
8382 } else {
8383 rate = WMI_FIXED_RATE_NONE;
8384
8385 if (!ath11k_mac_validate_vht_he_fixed_rate_settings(ar, band, mask))
8386 ath11k_warn(ar->ab,
8387 "could not update fixed rate settings to all peers due to mcs/nss incompatibility\n");
8388 nss = min_t(u32, ar->num_tx_chains,
8389 ath11k_mac_max_nss(ht_mcs_mask, vht_mcs_mask, he_mcs_mask));
8390
8391 /* If multiple rates across different preambles are given
8392 * we can reconfigure this info with all peers using PEER_ASSOC
8393 * command with the below exception cases.
8394 * - Single VHT Rate : peer_assoc command accommodates only MCS
8395 * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211
8396 * mandates passing basic rates along with HT/VHT rates, FW
8397 * doesn't allow switching from VHT to Legacy. Hence instead of
8398 * setting legacy and VHT rates using RATEMASK_CMD vdev cmd,
8399 * we could set this VHT rate as peer fixed rate param, which
8400 * will override FIXED rate and FW rate control algorithm.
8401 * If single VHT rate is passed along with HT rates, we select
8402 * the VHT rate as fixed rate for vht peers.
8403 * - Multiple VHT Rates : When Multiple VHT rates are given,this
8404 * can be set using RATEMASK CMD which uses FW rate-ctl alg.
8405 * TODO: Setting multiple VHT MCS and replacing peer_assoc with
8406 * RATEMASK_CMDID can cover all use cases of setting rates
8407 * across multiple preambles and rates within same type.
8408 * But requires more validation of the command at this point.
8409 */
8410
8411 num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,
8412 mask);
8413
8414 if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) &&
8415 num_rates > 1) {
8416 /* TODO: Handle multiple VHT MCS values setting using
8417 * RATEMASK CMD
8418 */
8419 ath11k_warn(ar->ab,
8420 "setting %d mcs values in bitrate mask not supported\n",
8421 num_rates);
8422 return -EINVAL;
8423 }
8424
8425 num_rates = ath11k_mac_bitrate_mask_num_he_rates(ar, band,
8426 mask);
8427 if (num_rates == 1)
8428 he_fixed_rate = true;
8429
8430 if (!ath11k_mac_he_mcs_range_present(ar, band, mask) &&
8431 num_rates > 1) {
8432 ath11k_warn(ar->ab,
8433 "Setting more than one HE MCS Value in bitrate mask not supported\n");
8434 return -EINVAL;
8435 }
8436
8437 mutex_lock(&ar->conf_mutex);
8438 ieee80211_iterate_stations_atomic(ar->hw,
8439 ath11k_mac_disable_peer_fixed_rate,
8440 arvif);
8441
8442 arvif->bitrate_mask = *mask;
8443 ieee80211_iterate_stations_atomic(ar->hw,
8444 ath11k_mac_set_bitrate_mask_iter,
8445 arvif);
8446
8447 mutex_unlock(&ar->conf_mutex);
8448 }
8449
8450 mutex_lock(&ar->conf_mutex);
8451
8452 ret = ath11k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi,
8453 he_ltf, he_fixed_rate);
8454 if (ret) {
8455 ath11k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n",
8456 arvif->vdev_id, ret);
8457 }
8458
8459 mutex_unlock(&ar->conf_mutex);
8460
8461 return ret;
8462 }
8463
8464 static void
ath11k_mac_op_reconfig_complete(struct ieee80211_hw * hw,enum ieee80211_reconfig_type reconfig_type)8465 ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw,
8466 enum ieee80211_reconfig_type reconfig_type)
8467 {
8468 struct ath11k *ar = hw->priv;
8469 struct ath11k_base *ab = ar->ab;
8470 int recovery_count;
8471 struct ath11k_vif *arvif;
8472
8473 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
8474 return;
8475
8476 mutex_lock(&ar->conf_mutex);
8477
8478 if (ar->state == ATH11K_STATE_RESTARTED) {
8479 ath11k_warn(ar->ab, "pdev %d successfully recovered\n",
8480 ar->pdev->pdev_id);
8481 ar->state = ATH11K_STATE_ON;
8482 ieee80211_wake_queues(ar->hw);
8483
8484 if (ar->ab->hw_params.current_cc_support &&
8485 ar->alpha2[0] != 0 && ar->alpha2[1] != 0) {
8486 struct wmi_set_current_country_params set_current_param = {};
8487
8488 memcpy(&set_current_param.alpha2, ar->alpha2, 2);
8489 ath11k_wmi_send_set_current_country_cmd(ar, &set_current_param);
8490 }
8491
8492 if (ab->is_reset) {
8493 recovery_count = atomic_inc_return(&ab->recovery_count);
8494 ath11k_dbg(ab, ATH11K_DBG_BOOT,
8495 "recovery count %d\n", recovery_count);
8496 /* When there are multiple radios in an SOC,
8497 * the recovery has to be done for each radio
8498 */
8499 if (recovery_count == ab->num_radios) {
8500 atomic_dec(&ab->reset_count);
8501 complete(&ab->reset_complete);
8502 ab->is_reset = false;
8503 atomic_set(&ab->fail_cont_count, 0);
8504 ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset success\n");
8505 }
8506 }
8507 if (ar->ab->hw_params.support_fw_mac_sequence) {
8508 list_for_each_entry(arvif, &ar->arvifs, list) {
8509 if (arvif->is_up && arvif->vdev_type == WMI_VDEV_TYPE_STA)
8510 ieee80211_hw_restart_disconnect(arvif->vif);
8511 }
8512 }
8513 }
8514
8515 mutex_unlock(&ar->conf_mutex);
8516 }
8517
8518 static void
ath11k_mac_update_bss_chan_survey(struct ath11k * ar,struct ieee80211_channel * channel)8519 ath11k_mac_update_bss_chan_survey(struct ath11k *ar,
8520 struct ieee80211_channel *channel)
8521 {
8522 int ret;
8523 enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ;
8524
8525 lockdep_assert_held(&ar->conf_mutex);
8526
8527 if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) ||
8528 ar->rx_channel != channel)
8529 return;
8530
8531 if (ar->scan.state != ATH11K_SCAN_IDLE) {
8532 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
8533 "ignoring bss chan info req while scanning..\n");
8534 return;
8535 }
8536
8537 reinit_completion(&ar->bss_survey_done);
8538
8539 ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type);
8540 if (ret) {
8541 ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n");
8542 return;
8543 }
8544
8545 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);
8546 if (ret == 0)
8547 ath11k_warn(ar->ab, "bss channel survey timed out\n");
8548 }
8549
ath11k_mac_op_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)8550 static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx,
8551 struct survey_info *survey)
8552 {
8553 struct ath11k *ar = hw->priv;
8554 struct ieee80211_supported_band *sband;
8555 struct survey_info *ar_survey;
8556 int ret = 0;
8557
8558 if (idx >= ATH11K_NUM_CHANS)
8559 return -ENOENT;
8560
8561 ar_survey = &ar->survey[idx];
8562
8563 mutex_lock(&ar->conf_mutex);
8564
8565 sband = hw->wiphy->bands[NL80211_BAND_2GHZ];
8566 if (sband && idx >= sband->n_channels) {
8567 idx -= sband->n_channels;
8568 sband = NULL;
8569 }
8570
8571 if (!sband)
8572 sband = hw->wiphy->bands[NL80211_BAND_5GHZ];
8573 if (sband && idx >= sband->n_channels) {
8574 idx -= sband->n_channels;
8575 sband = NULL;
8576 }
8577
8578 if (!sband)
8579 sband = hw->wiphy->bands[NL80211_BAND_6GHZ];
8580 if (!sband || idx >= sband->n_channels) {
8581 ret = -ENOENT;
8582 goto exit;
8583 }
8584
8585 ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]);
8586
8587 spin_lock_bh(&ar->data_lock);
8588 memcpy(survey, ar_survey, sizeof(*survey));
8589 spin_unlock_bh(&ar->data_lock);
8590
8591 survey->channel = &sband->channels[idx];
8592
8593 if (ar->rx_channel == survey->channel)
8594 survey->filled |= SURVEY_INFO_IN_USE;
8595
8596 exit:
8597 mutex_unlock(&ar->conf_mutex);
8598 return ret;
8599 }
8600
ath11k_mac_put_chain_rssi(struct station_info * sinfo,struct ath11k_sta * arsta,char * pre,bool clear)8601 static void ath11k_mac_put_chain_rssi(struct station_info *sinfo,
8602 struct ath11k_sta *arsta,
8603 char *pre,
8604 bool clear)
8605 {
8606 struct ath11k *ar = arsta->arvif->ar;
8607 int i;
8608 s8 rssi;
8609
8610 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
8611 sinfo->chains &= ~BIT(i);
8612 rssi = arsta->chain_signal[i];
8613 if (clear)
8614 arsta->chain_signal[i] = ATH11K_INVALID_RSSI_FULL;
8615
8616 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
8617 "sta statistics %s rssi[%d] %d\n", pre, i, rssi);
8618
8619 if (rssi != ATH11K_DEFAULT_NOISE_FLOOR &&
8620 rssi != ATH11K_INVALID_RSSI_FULL &&
8621 rssi != ATH11K_INVALID_RSSI_EMPTY &&
8622 rssi != 0) {
8623 sinfo->chain_signal[i] = rssi;
8624 sinfo->chains |= BIT(i);
8625 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);
8626 }
8627 }
8628 }
8629
ath11k_mac_op_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)8630 static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw,
8631 struct ieee80211_vif *vif,
8632 struct ieee80211_sta *sta,
8633 struct station_info *sinfo)
8634 {
8635 struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
8636 struct ath11k *ar = arsta->arvif->ar;
8637 s8 signal;
8638 bool db2dbm = test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
8639 ar->ab->wmi_ab.svc_map);
8640
8641 sinfo->rx_duration = arsta->rx_duration;
8642 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
8643
8644 sinfo->tx_duration = arsta->tx_duration;
8645 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
8646
8647 if (arsta->txrate.legacy || arsta->txrate.nss) {
8648 if (arsta->txrate.legacy) {
8649 sinfo->txrate.legacy = arsta->txrate.legacy;
8650 } else {
8651 sinfo->txrate.mcs = arsta->txrate.mcs;
8652 sinfo->txrate.nss = arsta->txrate.nss;
8653 sinfo->txrate.bw = arsta->txrate.bw;
8654 sinfo->txrate.he_gi = arsta->txrate.he_gi;
8655 sinfo->txrate.he_dcm = arsta->txrate.he_dcm;
8656 sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc;
8657 }
8658 sinfo->txrate.flags = arsta->txrate.flags;
8659 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
8660 }
8661
8662 ath11k_mac_put_chain_rssi(sinfo, arsta, "ppdu", false);
8663
8664 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) &&
8665 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA &&
8666 ar->ab->hw_params.supports_rssi_stats &&
8667 !ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0,
8668 WMI_REQUEST_RSSI_PER_CHAIN_STAT)) {
8669 ath11k_mac_put_chain_rssi(sinfo, arsta, "fw stats", true);
8670 }
8671
8672 signal = arsta->rssi_comb;
8673 if (!signal &&
8674 arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA &&
8675 ar->ab->hw_params.supports_rssi_stats &&
8676 !(ath11k_debugfs_get_fw_stats(ar, ar->pdev->pdev_id, 0,
8677 WMI_REQUEST_VDEV_STAT)))
8678 signal = arsta->rssi_beacon;
8679
8680 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
8681 "sta statistics db2dbm %u rssi comb %d rssi beacon %d\n",
8682 db2dbm, arsta->rssi_comb, arsta->rssi_beacon);
8683
8684 if (signal) {
8685 sinfo->signal = db2dbm ? signal : signal + ATH11K_DEFAULT_NOISE_FLOOR;
8686 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
8687 }
8688
8689 sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi) +
8690 ATH11K_DEFAULT_NOISE_FLOOR;
8691 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
8692 }
8693
8694 #if IS_ENABLED(CONFIG_IPV6)
ath11k_generate_ns_mc_addr(struct ath11k * ar,struct ath11k_arp_ns_offload * offload)8695 static void ath11k_generate_ns_mc_addr(struct ath11k *ar,
8696 struct ath11k_arp_ns_offload *offload)
8697 {
8698 int i;
8699
8700 for (i = 0; i < offload->ipv6_count; i++) {
8701 offload->self_ipv6_addr[i][0] = 0xff;
8702 offload->self_ipv6_addr[i][1] = 0x02;
8703 offload->self_ipv6_addr[i][11] = 0x01;
8704 offload->self_ipv6_addr[i][12] = 0xff;
8705 offload->self_ipv6_addr[i][13] =
8706 offload->ipv6_addr[i][13];
8707 offload->self_ipv6_addr[i][14] =
8708 offload->ipv6_addr[i][14];
8709 offload->self_ipv6_addr[i][15] =
8710 offload->ipv6_addr[i][15];
8711 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "NS solicited addr %pI6\n",
8712 offload->self_ipv6_addr[i]);
8713 }
8714 }
8715
ath11k_mac_op_ipv6_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct inet6_dev * idev)8716 static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw,
8717 struct ieee80211_vif *vif,
8718 struct inet6_dev *idev)
8719 {
8720 struct ath11k *ar = hw->priv;
8721 struct ath11k_arp_ns_offload *offload;
8722 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
8723 struct inet6_ifaddr *ifa6;
8724 struct ifacaddr6 *ifaca6;
8725 struct list_head *p;
8726 u32 count, scope;
8727
8728 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "op ipv6 changed\n");
8729
8730 offload = &arvif->arp_ns_offload;
8731 count = 0;
8732
8733 read_lock_bh(&idev->lock);
8734
8735 memset(offload->ipv6_addr, 0, sizeof(offload->ipv6_addr));
8736 memset(offload->self_ipv6_addr, 0, sizeof(offload->self_ipv6_addr));
8737 memcpy(offload->mac_addr, vif->addr, ETH_ALEN);
8738
8739 /* get unicast address */
8740 list_for_each(p, &idev->addr_list) {
8741 if (count >= ATH11K_IPV6_MAX_COUNT)
8742 goto generate;
8743
8744 ifa6 = list_entry(p, struct inet6_ifaddr, if_list);
8745 if (ifa6->flags & IFA_F_DADFAILED)
8746 continue;
8747 scope = ipv6_addr_src_scope(&ifa6->addr);
8748 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL ||
8749 scope == IPV6_ADDR_SCOPE_GLOBAL) {
8750 memcpy(offload->ipv6_addr[count], &ifa6->addr.s6_addr,
8751 sizeof(ifa6->addr.s6_addr));
8752 offload->ipv6_type[count] = ATH11K_IPV6_UC_TYPE;
8753 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 uc %pI6 scope %d\n",
8754 count, offload->ipv6_addr[count],
8755 scope);
8756 count++;
8757 } else {
8758 ath11k_warn(ar->ab, "Unsupported ipv6 scope: %d\n", scope);
8759 }
8760 }
8761
8762 /* get anycast address */
8763 for (ifaca6 = idev->ac_list; ifaca6; ifaca6 = ifaca6->aca_next) {
8764 if (count >= ATH11K_IPV6_MAX_COUNT)
8765 goto generate;
8766
8767 scope = ipv6_addr_src_scope(&ifaca6->aca_addr);
8768 if (scope == IPV6_ADDR_SCOPE_LINKLOCAL ||
8769 scope == IPV6_ADDR_SCOPE_GLOBAL) {
8770 memcpy(offload->ipv6_addr[count], &ifaca6->aca_addr,
8771 sizeof(ifaca6->aca_addr));
8772 offload->ipv6_type[count] = ATH11K_IPV6_AC_TYPE;
8773 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "count %d ipv6 ac %pI6 scope %d\n",
8774 count, offload->ipv6_addr[count],
8775 scope);
8776 count++;
8777 } else {
8778 ath11k_warn(ar->ab, "Unsupported ipv scope: %d\n", scope);
8779 }
8780 }
8781
8782 generate:
8783 offload->ipv6_count = count;
8784 read_unlock_bh(&idev->lock);
8785
8786 /* generate ns multicast address */
8787 ath11k_generate_ns_mc_addr(ar, offload);
8788 }
8789 #endif
8790
ath11k_mac_op_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)8791 static void ath11k_mac_op_set_rekey_data(struct ieee80211_hw *hw,
8792 struct ieee80211_vif *vif,
8793 struct cfg80211_gtk_rekey_data *data)
8794 {
8795 struct ath11k *ar = hw->priv;
8796 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
8797 struct ath11k_rekey_data *rekey_data = &arvif->rekey_data;
8798
8799 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "set rekey data vdev %d\n",
8800 arvif->vdev_id);
8801
8802 mutex_lock(&ar->conf_mutex);
8803
8804 memcpy(rekey_data->kck, data->kck, NL80211_KCK_LEN);
8805 memcpy(rekey_data->kek, data->kek, NL80211_KEK_LEN);
8806
8807 /* The supplicant works on big-endian, the firmware expects it on
8808 * little endian.
8809 */
8810 rekey_data->replay_ctr = get_unaligned_be64(data->replay_ctr);
8811
8812 arvif->rekey_data.enable_offload = true;
8813
8814 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kck", NULL,
8815 rekey_data->kck, NL80211_KCK_LEN);
8816 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "kek", NULL,
8817 rekey_data->kck, NL80211_KEK_LEN);
8818 ath11k_dbg_dump(ar->ab, ATH11K_DBG_MAC, "replay ctr", NULL,
8819 &rekey_data->replay_ctr, sizeof(rekey_data->replay_ctr));
8820
8821 mutex_unlock(&ar->conf_mutex);
8822 }
8823
ath11k_mac_op_set_bios_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)8824 static int ath11k_mac_op_set_bios_sar_specs(struct ieee80211_hw *hw,
8825 const struct cfg80211_sar_specs *sar)
8826 {
8827 struct ath11k *ar = hw->priv;
8828 const struct cfg80211_sar_sub_specs *sspec;
8829 int ret, index;
8830 u8 *sar_tbl;
8831 u32 i;
8832
8833 if (!sar || sar->type != NL80211_SAR_TYPE_POWER ||
8834 sar->num_sub_specs == 0)
8835 return -EINVAL;
8836
8837 mutex_lock(&ar->conf_mutex);
8838
8839 if (!test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) ||
8840 !ar->ab->hw_params.bios_sar_capa) {
8841 ret = -EOPNOTSUPP;
8842 goto exit;
8843 }
8844
8845 ret = ath11k_wmi_pdev_set_bios_geo_table_param(ar);
8846 if (ret) {
8847 ath11k_warn(ar->ab, "failed to set geo table: %d\n", ret);
8848 goto exit;
8849 }
8850
8851 sar_tbl = kzalloc(BIOS_SAR_TABLE_LEN, GFP_KERNEL);
8852 if (!sar_tbl) {
8853 ret = -ENOMEM;
8854 goto exit;
8855 }
8856
8857 sspec = sar->sub_specs;
8858 for (i = 0; i < sar->num_sub_specs; i++) {
8859 if (sspec->freq_range_index >= (BIOS_SAR_TABLE_LEN >> 1)) {
8860 ath11k_warn(ar->ab, "Ignore bad frequency index %u, max allowed %u\n",
8861 sspec->freq_range_index, BIOS_SAR_TABLE_LEN >> 1);
8862 continue;
8863 }
8864
8865 /* chain0 and chain1 share same power setting */
8866 sar_tbl[sspec->freq_range_index] = sspec->power;
8867 index = sspec->freq_range_index + (BIOS_SAR_TABLE_LEN >> 1);
8868 sar_tbl[index] = sspec->power;
8869 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "sar tbl[%d] = %d\n",
8870 sspec->freq_range_index, sar_tbl[sspec->freq_range_index]);
8871 sspec++;
8872 }
8873
8874 ret = ath11k_wmi_pdev_set_bios_sar_table_param(ar, sar_tbl);
8875 if (ret)
8876 ath11k_warn(ar->ab, "failed to set sar power: %d", ret);
8877
8878 kfree(sar_tbl);
8879 exit:
8880 mutex_unlock(&ar->conf_mutex);
8881
8882 return ret;
8883 }
8884
ath11k_mac_op_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)8885 static int ath11k_mac_op_cancel_remain_on_channel(struct ieee80211_hw *hw,
8886 struct ieee80211_vif *vif)
8887 {
8888 struct ath11k *ar = hw->priv;
8889
8890 mutex_lock(&ar->conf_mutex);
8891
8892 spin_lock_bh(&ar->data_lock);
8893 ar->scan.roc_notify = false;
8894 spin_unlock_bh(&ar->data_lock);
8895
8896 ath11k_scan_abort(ar);
8897
8898 mutex_unlock(&ar->conf_mutex);
8899
8900 cancel_delayed_work_sync(&ar->scan.timeout);
8901
8902 return 0;
8903 }
8904
ath11k_mac_op_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)8905 static int ath11k_mac_op_remain_on_channel(struct ieee80211_hw *hw,
8906 struct ieee80211_vif *vif,
8907 struct ieee80211_channel *chan,
8908 int duration,
8909 enum ieee80211_roc_type type)
8910 {
8911 struct ath11k *ar = hw->priv;
8912 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
8913 struct scan_req_params *arg;
8914 int ret;
8915 u32 scan_time_msec;
8916
8917 mutex_lock(&ar->conf_mutex);
8918
8919 spin_lock_bh(&ar->data_lock);
8920 switch (ar->scan.state) {
8921 case ATH11K_SCAN_IDLE:
8922 reinit_completion(&ar->scan.started);
8923 reinit_completion(&ar->scan.completed);
8924 reinit_completion(&ar->scan.on_channel);
8925 ar->scan.state = ATH11K_SCAN_STARTING;
8926 ar->scan.is_roc = true;
8927 ar->scan.vdev_id = arvif->vdev_id;
8928 ar->scan.roc_freq = chan->center_freq;
8929 ar->scan.roc_notify = true;
8930 ret = 0;
8931 break;
8932 case ATH11K_SCAN_STARTING:
8933 case ATH11K_SCAN_RUNNING:
8934 case ATH11K_SCAN_ABORTING:
8935 ret = -EBUSY;
8936 break;
8937 }
8938 spin_unlock_bh(&ar->data_lock);
8939
8940 if (ret)
8941 goto exit;
8942
8943 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
8944
8945 arg = kzalloc(sizeof(*arg), GFP_KERNEL);
8946 if (!arg) {
8947 ret = -ENOMEM;
8948 goto exit;
8949 }
8950 ath11k_wmi_start_scan_init(ar, arg);
8951 arg->num_chan = 1;
8952 arg->chan_list = kcalloc(arg->num_chan, sizeof(*arg->chan_list),
8953 GFP_KERNEL);
8954 if (!arg->chan_list) {
8955 ret = -ENOMEM;
8956 goto free_arg;
8957 }
8958
8959 arg->vdev_id = arvif->vdev_id;
8960 arg->scan_id = ATH11K_SCAN_ID;
8961 arg->chan_list[0] = chan->center_freq;
8962 arg->dwell_time_active = scan_time_msec;
8963 arg->dwell_time_passive = scan_time_msec;
8964 arg->max_scan_time = scan_time_msec;
8965 arg->scan_flags |= WMI_SCAN_FLAG_PASSIVE;
8966 arg->scan_flags |= WMI_SCAN_FILTER_PROBE_REQ;
8967 arg->burst_duration = duration;
8968
8969 ret = ath11k_start_scan(ar, arg);
8970 if (ret) {
8971 ath11k_warn(ar->ab, "failed to start roc scan: %d\n", ret);
8972
8973 spin_lock_bh(&ar->data_lock);
8974 ar->scan.state = ATH11K_SCAN_IDLE;
8975 spin_unlock_bh(&ar->data_lock);
8976 goto free_chan_list;
8977 }
8978
8979 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ);
8980 if (ret == 0) {
8981 ath11k_warn(ar->ab, "failed to switch to channel for roc scan\n");
8982 ret = ath11k_scan_stop(ar);
8983 if (ret)
8984 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret);
8985 ret = -ETIMEDOUT;
8986 goto free_chan_list;
8987 }
8988
8989 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
8990 msecs_to_jiffies(duration));
8991
8992 ret = 0;
8993
8994 free_chan_list:
8995 kfree(arg->chan_list);
8996 free_arg:
8997 kfree(arg);
8998 exit:
8999 mutex_unlock(&ar->conf_mutex);
9000 return ret;
9001 }
9002
ath11k_fw_stats_request(struct ath11k * ar,struct stats_request_params * req_param)9003 static int ath11k_fw_stats_request(struct ath11k *ar,
9004 struct stats_request_params *req_param)
9005 {
9006 struct ath11k_base *ab = ar->ab;
9007 unsigned long time_left;
9008 int ret;
9009
9010 lockdep_assert_held(&ar->conf_mutex);
9011
9012 spin_lock_bh(&ar->data_lock);
9013 ar->fw_stats_done = false;
9014 ath11k_fw_stats_pdevs_free(&ar->fw_stats.pdevs);
9015 spin_unlock_bh(&ar->data_lock);
9016
9017 reinit_completion(&ar->fw_stats_complete);
9018
9019 ret = ath11k_wmi_send_stats_request_cmd(ar, req_param);
9020 if (ret) {
9021 ath11k_warn(ab, "could not request fw stats (%d)\n",
9022 ret);
9023 return ret;
9024 }
9025
9026 time_left = wait_for_completion_timeout(&ar->fw_stats_complete,
9027 1 * HZ);
9028
9029 if (!time_left)
9030 return -ETIMEDOUT;
9031
9032 return 0;
9033 }
9034
ath11k_mac_op_get_txpower(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int * dbm)9035 static int ath11k_mac_op_get_txpower(struct ieee80211_hw *hw,
9036 struct ieee80211_vif *vif,
9037 int *dbm)
9038 {
9039 struct ath11k *ar = hw->priv;
9040 struct ath11k_base *ab = ar->ab;
9041 struct stats_request_params req_param = {0};
9042 struct ath11k_fw_stats_pdev *pdev;
9043 int ret;
9044
9045 /* Final Tx power is minimum of Target Power, CTL power, Regulatory
9046 * Power, PSD EIRP Power. We just know the Regulatory power from the
9047 * regulatory rules obtained. FW knows all these power and sets the min
9048 * of these. Hence, we request the FW pdev stats in which FW reports
9049 * the minimum of all vdev's channel Tx power.
9050 */
9051 mutex_lock(&ar->conf_mutex);
9052
9053 if (ar->state != ATH11K_STATE_ON)
9054 goto err_fallback;
9055
9056 /* Firmware doesn't provide Tx power during CAC hence no need to fetch
9057 * the stats.
9058 */
9059 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {
9060 mutex_unlock(&ar->conf_mutex);
9061 return -EAGAIN;
9062 }
9063
9064 req_param.pdev_id = ar->pdev->pdev_id;
9065 req_param.stats_id = WMI_REQUEST_PDEV_STAT;
9066
9067 ret = ath11k_fw_stats_request(ar, &req_param);
9068 if (ret) {
9069 ath11k_warn(ab, "failed to request fw pdev stats: %d\n", ret);
9070 goto err_fallback;
9071 }
9072
9073 spin_lock_bh(&ar->data_lock);
9074 pdev = list_first_entry_or_null(&ar->fw_stats.pdevs,
9075 struct ath11k_fw_stats_pdev, list);
9076 if (!pdev) {
9077 spin_unlock_bh(&ar->data_lock);
9078 goto err_fallback;
9079 }
9080
9081 /* tx power is set as 2 units per dBm in FW. */
9082 *dbm = pdev->chan_tx_power / 2;
9083
9084 spin_unlock_bh(&ar->data_lock);
9085 mutex_unlock(&ar->conf_mutex);
9086
9087 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware %d, reported %d dBm\n",
9088 pdev->chan_tx_power, *dbm);
9089 return 0;
9090
9091 err_fallback:
9092 mutex_unlock(&ar->conf_mutex);
9093 /* We didn't get txpower from FW. Hence, relying on vif->bss_conf.txpower */
9094 *dbm = vif->bss_conf.txpower;
9095 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower from firmware NaN, reported %d dBm\n",
9096 *dbm);
9097 return 0;
9098 }
9099
9100 static const struct ieee80211_ops ath11k_ops = {
9101 .tx = ath11k_mac_op_tx,
9102 .wake_tx_queue = ieee80211_handle_wake_tx_queue,
9103 .start = ath11k_mac_op_start,
9104 .stop = ath11k_mac_op_stop,
9105 .reconfig_complete = ath11k_mac_op_reconfig_complete,
9106 .add_interface = ath11k_mac_op_add_interface,
9107 .remove_interface = ath11k_mac_op_remove_interface,
9108 .update_vif_offload = ath11k_mac_op_update_vif_offload,
9109 .config = ath11k_mac_op_config,
9110 .bss_info_changed = ath11k_mac_op_bss_info_changed,
9111 .configure_filter = ath11k_mac_op_configure_filter,
9112 .hw_scan = ath11k_mac_op_hw_scan,
9113 .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan,
9114 .set_key = ath11k_mac_op_set_key,
9115 .set_rekey_data = ath11k_mac_op_set_rekey_data,
9116 .sta_state = ath11k_mac_op_sta_state,
9117 .sta_set_4addr = ath11k_mac_op_sta_set_4addr,
9118 .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr,
9119 .sta_rc_update = ath11k_mac_op_sta_rc_update,
9120 .conf_tx = ath11k_mac_op_conf_tx,
9121 .set_antenna = ath11k_mac_op_set_antenna,
9122 .get_antenna = ath11k_mac_op_get_antenna,
9123 .ampdu_action = ath11k_mac_op_ampdu_action,
9124 .add_chanctx = ath11k_mac_op_add_chanctx,
9125 .remove_chanctx = ath11k_mac_op_remove_chanctx,
9126 .change_chanctx = ath11k_mac_op_change_chanctx,
9127 .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx,
9128 .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx,
9129 .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx,
9130 .set_rts_threshold = ath11k_mac_op_set_rts_threshold,
9131 .set_frag_threshold = ath11k_mac_op_set_frag_threshold,
9132 .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask,
9133 .get_survey = ath11k_mac_op_get_survey,
9134 .flush = ath11k_mac_op_flush,
9135 .sta_statistics = ath11k_mac_op_sta_statistics,
9136 CFG80211_TESTMODE_CMD(ath11k_tm_cmd)
9137
9138 #ifdef CONFIG_PM
9139 .suspend = ath11k_wow_op_suspend,
9140 .resume = ath11k_wow_op_resume,
9141 .set_wakeup = ath11k_wow_op_set_wakeup,
9142 #endif
9143
9144 #ifdef CONFIG_ATH11K_DEBUGFS
9145 .vif_add_debugfs = ath11k_debugfs_op_vif_add,
9146 .sta_add_debugfs = ath11k_debugfs_sta_op_add,
9147 #endif
9148
9149 #if IS_ENABLED(CONFIG_IPV6)
9150 .ipv6_addr_change = ath11k_mac_op_ipv6_changed,
9151 #endif
9152 .get_txpower = ath11k_mac_op_get_txpower,
9153
9154 .set_sar_specs = ath11k_mac_op_set_bios_sar_specs,
9155 .remain_on_channel = ath11k_mac_op_remain_on_channel,
9156 .cancel_remain_on_channel = ath11k_mac_op_cancel_remain_on_channel,
9157 };
9158
ath11k_mac_update_ch_list(struct ath11k * ar,struct ieee80211_supported_band * band,u32 freq_low,u32 freq_high)9159 static void ath11k_mac_update_ch_list(struct ath11k *ar,
9160 struct ieee80211_supported_band *band,
9161 u32 freq_low, u32 freq_high)
9162 {
9163 int i;
9164
9165 if (!(freq_low && freq_high))
9166 return;
9167
9168 for (i = 0; i < band->n_channels; i++) {
9169 if (band->channels[i].center_freq < freq_low ||
9170 band->channels[i].center_freq > freq_high)
9171 band->channels[i].flags |= IEEE80211_CHAN_DISABLED;
9172 }
9173 }
9174
ath11k_get_phy_id(struct ath11k * ar,u32 band)9175 static u32 ath11k_get_phy_id(struct ath11k *ar, u32 band)
9176 {
9177 struct ath11k_pdev *pdev = ar->pdev;
9178 struct ath11k_pdev_cap *pdev_cap = &pdev->cap;
9179
9180 if (band == WMI_HOST_WLAN_2G_CAP)
9181 return pdev_cap->band[NL80211_BAND_2GHZ].phy_id;
9182
9183 if (band == WMI_HOST_WLAN_5G_CAP)
9184 return pdev_cap->band[NL80211_BAND_5GHZ].phy_id;
9185
9186 ath11k_warn(ar->ab, "unsupported phy cap:%d\n", band);
9187
9188 return 0;
9189 }
9190
ath11k_mac_setup_channels_rates(struct ath11k * ar,u32 supported_bands)9191 static int ath11k_mac_setup_channels_rates(struct ath11k *ar,
9192 u32 supported_bands)
9193 {
9194 struct ieee80211_supported_band *band;
9195 struct ath11k_hal_reg_capabilities_ext *reg_cap, *temp_reg_cap;
9196 void *channels;
9197 u32 phy_id;
9198
9199 BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) +
9200 ARRAY_SIZE(ath11k_5ghz_channels) +
9201 ARRAY_SIZE(ath11k_6ghz_channels)) !=
9202 ATH11K_NUM_CHANS);
9203
9204 reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx];
9205 temp_reg_cap = reg_cap;
9206
9207 if (supported_bands & WMI_HOST_WLAN_2G_CAP) {
9208 channels = kmemdup(ath11k_2ghz_channels,
9209 sizeof(ath11k_2ghz_channels),
9210 GFP_KERNEL);
9211 if (!channels)
9212 return -ENOMEM;
9213
9214 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
9215 band->band = NL80211_BAND_2GHZ;
9216 band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels);
9217 band->channels = channels;
9218 band->n_bitrates = ath11k_g_rates_size;
9219 band->bitrates = ath11k_g_rates;
9220 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
9221
9222 if (ar->ab->hw_params.single_pdev_only) {
9223 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP);
9224 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];
9225 }
9226 ath11k_mac_update_ch_list(ar, band,
9227 temp_reg_cap->low_2ghz_chan,
9228 temp_reg_cap->high_2ghz_chan);
9229 }
9230
9231 if (supported_bands & WMI_HOST_WLAN_5G_CAP) {
9232 if (reg_cap->high_5ghz_chan >= ATH11K_MIN_6G_FREQ) {
9233 channels = kmemdup(ath11k_6ghz_channels,
9234 sizeof(ath11k_6ghz_channels), GFP_KERNEL);
9235 if (!channels) {
9236 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
9237 return -ENOMEM;
9238 }
9239
9240 ar->supports_6ghz = true;
9241 band = &ar->mac.sbands[NL80211_BAND_6GHZ];
9242 band->band = NL80211_BAND_6GHZ;
9243 band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels);
9244 band->channels = channels;
9245 band->n_bitrates = ath11k_a_rates_size;
9246 band->bitrates = ath11k_a_rates;
9247 ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band;
9248
9249 if (ar->ab->hw_params.single_pdev_only) {
9250 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);
9251 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];
9252 }
9253
9254 ath11k_mac_update_ch_list(ar, band,
9255 temp_reg_cap->low_5ghz_chan,
9256 temp_reg_cap->high_5ghz_chan);
9257 }
9258
9259 if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) {
9260 channels = kmemdup(ath11k_5ghz_channels,
9261 sizeof(ath11k_5ghz_channels),
9262 GFP_KERNEL);
9263 if (!channels) {
9264 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
9265 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
9266 return -ENOMEM;
9267 }
9268
9269 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
9270 band->band = NL80211_BAND_5GHZ;
9271 band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels);
9272 band->channels = channels;
9273 band->n_bitrates = ath11k_a_rates_size;
9274 band->bitrates = ath11k_a_rates;
9275 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
9276
9277 if (ar->ab->hw_params.single_pdev_only) {
9278 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);
9279 temp_reg_cap = &ar->ab->hal_reg_cap[phy_id];
9280 }
9281
9282 ath11k_mac_update_ch_list(ar, band,
9283 temp_reg_cap->low_5ghz_chan,
9284 temp_reg_cap->high_5ghz_chan);
9285 }
9286 }
9287
9288 return 0;
9289 }
9290
ath11k_mac_setup_iface_combinations(struct ath11k * ar)9291 static int ath11k_mac_setup_iface_combinations(struct ath11k *ar)
9292 {
9293 struct ath11k_base *ab = ar->ab;
9294 struct ieee80211_iface_combination *combinations;
9295 struct ieee80211_iface_limit *limits;
9296 int n_limits;
9297
9298 combinations = kzalloc(sizeof(*combinations), GFP_KERNEL);
9299 if (!combinations)
9300 return -ENOMEM;
9301
9302 n_limits = 2;
9303
9304 limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL);
9305 if (!limits) {
9306 kfree(combinations);
9307 return -ENOMEM;
9308 }
9309
9310 limits[0].max = 1;
9311 limits[0].types |= BIT(NL80211_IFTYPE_STATION);
9312
9313 limits[1].max = 16;
9314 limits[1].types |= BIT(NL80211_IFTYPE_AP);
9315
9316 if (IS_ENABLED(CONFIG_MAC80211_MESH) &&
9317 ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))
9318 limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT);
9319
9320 combinations[0].limits = limits;
9321 combinations[0].n_limits = n_limits;
9322 combinations[0].max_interfaces = 16;
9323 combinations[0].num_different_channels = 1;
9324 combinations[0].beacon_int_infra_match = true;
9325 combinations[0].beacon_int_min_gcd = 100;
9326 combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
9327 BIT(NL80211_CHAN_WIDTH_20) |
9328 BIT(NL80211_CHAN_WIDTH_40) |
9329 BIT(NL80211_CHAN_WIDTH_80) |
9330 BIT(NL80211_CHAN_WIDTH_80P80) |
9331 BIT(NL80211_CHAN_WIDTH_160);
9332
9333 ar->hw->wiphy->iface_combinations = combinations;
9334 ar->hw->wiphy->n_iface_combinations = 1;
9335
9336 return 0;
9337 }
9338
9339 static const u8 ath11k_if_types_ext_capa[] = {
9340 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
9341 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
9342 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
9343 };
9344
9345 static const u8 ath11k_if_types_ext_capa_sta[] = {
9346 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
9347 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
9348 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
9349 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
9350 };
9351
9352 static const u8 ath11k_if_types_ext_capa_ap[] = {
9353 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
9354 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
9355 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
9356 [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT,
9357 [10] = WLAN_EXT_CAPA11_EMA_SUPPORT,
9358 };
9359
9360 static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = {
9361 {
9362 .extended_capabilities = ath11k_if_types_ext_capa,
9363 .extended_capabilities_mask = ath11k_if_types_ext_capa,
9364 .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa),
9365 }, {
9366 .iftype = NL80211_IFTYPE_STATION,
9367 .extended_capabilities = ath11k_if_types_ext_capa_sta,
9368 .extended_capabilities_mask = ath11k_if_types_ext_capa_sta,
9369 .extended_capabilities_len =
9370 sizeof(ath11k_if_types_ext_capa_sta),
9371 }, {
9372 .iftype = NL80211_IFTYPE_AP,
9373 .extended_capabilities = ath11k_if_types_ext_capa_ap,
9374 .extended_capabilities_mask = ath11k_if_types_ext_capa_ap,
9375 .extended_capabilities_len =
9376 sizeof(ath11k_if_types_ext_capa_ap),
9377 },
9378 };
9379
__ath11k_mac_unregister(struct ath11k * ar)9380 static void __ath11k_mac_unregister(struct ath11k *ar)
9381 {
9382 cancel_work_sync(&ar->regd_update_work);
9383
9384 ieee80211_unregister_hw(ar->hw);
9385
9386 idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar);
9387 idr_destroy(&ar->txmgmt_idr);
9388
9389 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
9390 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
9391 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
9392
9393 kfree(ar->hw->wiphy->iface_combinations[0].limits);
9394 kfree(ar->hw->wiphy->iface_combinations);
9395
9396 SET_IEEE80211_DEV(ar->hw, NULL);
9397 }
9398
ath11k_mac_unregister(struct ath11k_base * ab)9399 void ath11k_mac_unregister(struct ath11k_base *ab)
9400 {
9401 struct ath11k *ar;
9402 struct ath11k_pdev *pdev;
9403 int i;
9404
9405 for (i = 0; i < ab->num_radios; i++) {
9406 pdev = &ab->pdevs[i];
9407 ar = pdev->ar;
9408 if (!ar)
9409 continue;
9410
9411 __ath11k_mac_unregister(ar);
9412 }
9413
9414 ath11k_peer_rhash_tbl_destroy(ab);
9415 }
9416
__ath11k_mac_register(struct ath11k * ar)9417 static int __ath11k_mac_register(struct ath11k *ar)
9418 {
9419 struct ath11k_base *ab = ar->ab;
9420 struct ath11k_pdev_cap *cap = &ar->pdev->cap;
9421 static const u32 cipher_suites[] = {
9422 WLAN_CIPHER_SUITE_TKIP,
9423 WLAN_CIPHER_SUITE_CCMP,
9424 WLAN_CIPHER_SUITE_AES_CMAC,
9425 WLAN_CIPHER_SUITE_BIP_CMAC_256,
9426 WLAN_CIPHER_SUITE_BIP_GMAC_128,
9427 WLAN_CIPHER_SUITE_BIP_GMAC_256,
9428 WLAN_CIPHER_SUITE_GCMP,
9429 WLAN_CIPHER_SUITE_GCMP_256,
9430 WLAN_CIPHER_SUITE_CCMP_256,
9431 };
9432 int ret;
9433 u32 ht_cap = 0;
9434
9435 ath11k_pdev_caps_update(ar);
9436
9437 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
9438
9439 SET_IEEE80211_DEV(ar->hw, ab->dev);
9440
9441 ret = ath11k_mac_setup_channels_rates(ar,
9442 cap->supported_bands);
9443 if (ret)
9444 goto err;
9445
9446 ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap);
9447 ath11k_mac_setup_he_cap(ar, cap);
9448
9449 ret = ath11k_mac_setup_iface_combinations(ar);
9450 if (ret) {
9451 ath11k_err(ar->ab, "failed to setup interface combinations: %d\n", ret);
9452 goto err_free_channels;
9453 }
9454
9455 ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask;
9456 ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask;
9457
9458 ar->hw->wiphy->interface_modes = ab->hw_params.interface_modes;
9459
9460 if (ab->hw_params.single_pdev_only && ar->supports_6ghz)
9461 ieee80211_hw_set(ar->hw, SINGLE_SCAN_ON_ALL_BANDS);
9462
9463 if (ab->hw_params.supports_multi_bssid) {
9464 ieee80211_hw_set(ar->hw, SUPPORTS_MULTI_BSSID);
9465 ieee80211_hw_set(ar->hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
9466 }
9467
9468 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
9469 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
9470 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
9471 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
9472 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
9473 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
9474 ieee80211_hw_set(ar->hw, AP_LINK_PS);
9475 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
9476 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
9477 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
9478 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
9479 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
9480 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
9481 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);
9482 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);
9483
9484 if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET) {
9485 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD);
9486 ieee80211_hw_set(ar->hw, SUPPORTS_RX_DECAP_OFFLOAD);
9487 }
9488
9489 if (cap->nss_ratio_enabled)
9490 ieee80211_hw_set(ar->hw, SUPPORTS_VHT_EXT_NSS_BW);
9491
9492 if ((ht_cap & WMI_HT_CAP_ENABLED) || ar->supports_6ghz) {
9493 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
9494 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
9495 ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER);
9496 ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU);
9497 ieee80211_hw_set(ar->hw, USES_RSS);
9498 }
9499
9500 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
9501 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
9502
9503 /* TODO: Check if HT capability advertised from firmware is different
9504 * for each band for a dual band capable radio. It will be tricky to
9505 * handle it when the ht capability different for each band.
9506 */
9507 if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS ||
9508 (ar->supports_6ghz && ab->hw_params.supports_dynamic_smps_6ghz))
9509 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
9510
9511 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
9512 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
9513
9514 ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL;
9515
9516 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
9517 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
9518 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
9519
9520 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
9521 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
9522 NL80211_FEATURE_AP_SCAN;
9523
9524 ar->max_num_stations = TARGET_NUM_STATIONS(ab);
9525 ar->max_num_peers = TARGET_NUM_PEERS_PDEV(ab);
9526
9527 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
9528
9529 if (test_bit(WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi->wmi_ab->svc_map)) {
9530 ar->hw->wiphy->features |=
9531 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
9532 }
9533
9534 if (test_bit(WMI_TLV_SERVICE_NLO, ar->wmi->wmi_ab->svc_map)) {
9535 ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;
9536 ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
9537 ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;
9538 ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS;
9539 ar->hw->wiphy->max_sched_scan_plan_interval =
9540 WMI_PNO_MAX_SCHED_SCAN_PLAN_INT;
9541 ar->hw->wiphy->max_sched_scan_plan_iterations =
9542 WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS;
9543 ar->hw->wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
9544 }
9545
9546 ret = ath11k_wow_init(ar);
9547 if (ret) {
9548 ath11k_warn(ar->ab, "failed to init wow: %d\n", ret);
9549 goto err_free_if_combs;
9550 }
9551
9552 if (test_bit(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI,
9553 ar->ab->wmi_ab.svc_map))
9554 wiphy_ext_feature_set(ar->hw->wiphy,
9555 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
9556
9557 ar->hw->queues = ATH11K_HW_MAX_QUEUES;
9558 ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN;
9559 ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1;
9560 ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
9561
9562 ar->hw->vif_data_size = sizeof(struct ath11k_vif);
9563 ar->hw->sta_data_size = sizeof(struct ath11k_sta);
9564
9565 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
9566 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);
9567 if (test_bit(WMI_TLV_SERVICE_BSS_COLOR_OFFLOAD,
9568 ar->ab->wmi_ab.svc_map)) {
9569 wiphy_ext_feature_set(ar->hw->wiphy,
9570 NL80211_EXT_FEATURE_BSS_COLOR);
9571 ieee80211_hw_set(ar->hw, DETECTS_COLOR_COLLISION);
9572 }
9573
9574 ar->hw->wiphy->cipher_suites = cipher_suites;
9575 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
9576
9577 ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa;
9578 ar->hw->wiphy->num_iftype_ext_capab =
9579 ARRAY_SIZE(ath11k_iftypes_ext_capa);
9580
9581 if (ar->supports_6ghz) {
9582 wiphy_ext_feature_set(ar->hw->wiphy,
9583 NL80211_EXT_FEATURE_FILS_DISCOVERY);
9584 wiphy_ext_feature_set(ar->hw->wiphy,
9585 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
9586 }
9587
9588 wiphy_ext_feature_set(ar->hw->wiphy,
9589 NL80211_EXT_FEATURE_SET_SCAN_DWELL);
9590
9591 if (test_bit(WMI_TLV_SERVICE_RTT, ar->ab->wmi_ab.svc_map))
9592 wiphy_ext_feature_set(ar->hw->wiphy,
9593 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
9594
9595 ar->hw->wiphy->mbssid_max_interfaces = TARGET_NUM_VDEVS(ab);
9596 ar->hw->wiphy->ema_max_profile_periodicity = TARGET_EMA_MAX_PROFILE_PERIOD;
9597
9598 ath11k_reg_init(ar);
9599
9600 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
9601 ar->hw->netdev_features = NETIF_F_HW_CSUM;
9602 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
9603 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
9604 }
9605
9606 if (test_bit(WMI_TLV_SERVICE_BIOS_SAR_SUPPORT, ar->ab->wmi_ab.svc_map) &&
9607 ab->hw_params.bios_sar_capa)
9608 ar->hw->wiphy->sar_capa = ab->hw_params.bios_sar_capa;
9609
9610 ret = ieee80211_register_hw(ar->hw);
9611 if (ret) {
9612 ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret);
9613 goto err_free_if_combs;
9614 }
9615
9616 if (!ab->hw_params.supports_monitor)
9617 /* There's a race between calling ieee80211_register_hw()
9618 * and here where the monitor mode is enabled for a little
9619 * while. But that time is so short and in practise it make
9620 * a difference in real life.
9621 */
9622 ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR);
9623
9624 /* Apply the regd received during initialization */
9625 ret = ath11k_regd_update(ar);
9626 if (ret) {
9627 ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret);
9628 goto err_unregister_hw;
9629 }
9630
9631 if (ab->hw_params.current_cc_support && ab->new_alpha2[0]) {
9632 struct wmi_set_current_country_params set_current_param = {};
9633
9634 memcpy(&set_current_param.alpha2, ab->new_alpha2, 2);
9635 memcpy(&ar->alpha2, ab->new_alpha2, 2);
9636 ret = ath11k_wmi_send_set_current_country_cmd(ar, &set_current_param);
9637 if (ret)
9638 ath11k_warn(ar->ab,
9639 "failed set cc code for mac register: %d\n", ret);
9640 }
9641
9642 ret = ath11k_debugfs_register(ar);
9643 if (ret) {
9644 ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret);
9645 goto err_unregister_hw;
9646 }
9647
9648 return 0;
9649
9650 err_unregister_hw:
9651 ieee80211_unregister_hw(ar->hw);
9652
9653 err_free_if_combs:
9654 kfree(ar->hw->wiphy->iface_combinations[0].limits);
9655 kfree(ar->hw->wiphy->iface_combinations);
9656
9657 err_free_channels:
9658 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
9659 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
9660 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
9661
9662 err:
9663 SET_IEEE80211_DEV(ar->hw, NULL);
9664 return ret;
9665 }
9666
ath11k_mac_register(struct ath11k_base * ab)9667 int ath11k_mac_register(struct ath11k_base *ab)
9668 {
9669 struct ath11k *ar;
9670 struct ath11k_pdev *pdev;
9671 int i;
9672 int ret;
9673 u8 mac_addr[ETH_ALEN] = {0};
9674
9675 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
9676 return 0;
9677
9678 /* Initialize channel counters frequency value in hertz */
9679 ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ;
9680 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1;
9681
9682 ret = ath11k_peer_rhash_tbl_init(ab);
9683 if (ret)
9684 return ret;
9685
9686 device_get_mac_address(ab->dev, mac_addr);
9687
9688 for (i = 0; i < ab->num_radios; i++) {
9689 pdev = &ab->pdevs[i];
9690 ar = pdev->ar;
9691 if (ab->pdevs_macaddr_valid) {
9692 ether_addr_copy(ar->mac_addr, pdev->mac_addr);
9693 } else {
9694 if (is_zero_ether_addr(mac_addr))
9695 ether_addr_copy(ar->mac_addr, ab->mac_addr);
9696 else
9697 ether_addr_copy(ar->mac_addr, mac_addr);
9698 ar->mac_addr[4] += i;
9699 }
9700
9701 idr_init(&ar->txmgmt_idr);
9702 spin_lock_init(&ar->txmgmt_idr_lock);
9703
9704 ret = __ath11k_mac_register(ar);
9705 if (ret)
9706 goto err_cleanup;
9707
9708 init_waitqueue_head(&ar->txmgmt_empty_waitq);
9709 }
9710
9711 return 0;
9712
9713 err_cleanup:
9714 for (i = i - 1; i >= 0; i--) {
9715 pdev = &ab->pdevs[i];
9716 ar = pdev->ar;
9717 __ath11k_mac_unregister(ar);
9718 }
9719
9720 ath11k_peer_rhash_tbl_destroy(ab);
9721
9722 return ret;
9723 }
9724
ath11k_mac_allocate(struct ath11k_base * ab)9725 int ath11k_mac_allocate(struct ath11k_base *ab)
9726 {
9727 struct ieee80211_hw *hw;
9728 struct ath11k *ar;
9729 struct ath11k_pdev *pdev;
9730 int ret;
9731 int i;
9732
9733 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
9734 return 0;
9735
9736 for (i = 0; i < ab->num_radios; i++) {
9737 pdev = &ab->pdevs[i];
9738 hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops);
9739 if (!hw) {
9740 ath11k_warn(ab, "failed to allocate mac80211 hw device\n");
9741 ret = -ENOMEM;
9742 goto err_free_mac;
9743 }
9744
9745 ar = hw->priv;
9746 ar->hw = hw;
9747 ar->ab = ab;
9748 ar->pdev = pdev;
9749 ar->pdev_idx = i;
9750 ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i);
9751
9752 ar->wmi = &ab->wmi_ab.wmi[i];
9753 /* FIXME wmi[0] is already initialized during attach,
9754 * Should we do this again?
9755 */
9756 ath11k_wmi_pdev_attach(ab, i);
9757
9758 ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask;
9759 ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask;
9760 ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask);
9761 ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask);
9762
9763 pdev->ar = ar;
9764 spin_lock_init(&ar->data_lock);
9765 INIT_LIST_HEAD(&ar->arvifs);
9766 INIT_LIST_HEAD(&ar->ppdu_stats_info);
9767 mutex_init(&ar->conf_mutex);
9768 init_completion(&ar->vdev_setup_done);
9769 init_completion(&ar->vdev_delete_done);
9770 init_completion(&ar->peer_assoc_done);
9771 init_completion(&ar->peer_delete_done);
9772 init_completion(&ar->install_key_done);
9773 init_completion(&ar->bss_survey_done);
9774 init_completion(&ar->scan.started);
9775 init_completion(&ar->scan.completed);
9776 init_completion(&ar->scan.on_channel);
9777 init_completion(&ar->thermal.wmi_sync);
9778
9779 INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work);
9780 INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work);
9781
9782 INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work);
9783 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
9784
9785 clear_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags);
9786
9787 ar->monitor_vdev_id = -1;
9788 clear_bit(ATH11K_FLAG_MONITOR_VDEV_CREATED, &ar->monitor_flags);
9789 ar->vdev_id_11d_scan = ATH11K_11D_INVALID_VDEV_ID;
9790 init_completion(&ar->completed_11d_scan);
9791
9792 ath11k_fw_stats_init(ar);
9793 }
9794
9795 return 0;
9796
9797 err_free_mac:
9798 ath11k_mac_destroy(ab);
9799
9800 return ret;
9801 }
9802
ath11k_mac_destroy(struct ath11k_base * ab)9803 void ath11k_mac_destroy(struct ath11k_base *ab)
9804 {
9805 struct ath11k *ar;
9806 struct ath11k_pdev *pdev;
9807 int i;
9808
9809 for (i = 0; i < ab->num_radios; i++) {
9810 pdev = &ab->pdevs[i];
9811 ar = pdev->ar;
9812 if (!ar)
9813 continue;
9814
9815 ath11k_fw_stats_free(&ar->fw_stats);
9816 ieee80211_free_hw(ar->hw);
9817 pdev->ar = NULL;
9818 }
9819 }
9820
ath11k_mac_vif_set_keepalive(struct ath11k_vif * arvif,enum wmi_sta_keepalive_method method,u32 interval)9821 int ath11k_mac_vif_set_keepalive(struct ath11k_vif *arvif,
9822 enum wmi_sta_keepalive_method method,
9823 u32 interval)
9824 {
9825 struct ath11k *ar = arvif->ar;
9826 struct wmi_sta_keepalive_arg arg = {};
9827 int ret;
9828
9829 lockdep_assert_held(&ar->conf_mutex);
9830
9831 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
9832 return 0;
9833
9834 if (!test_bit(WMI_TLV_SERVICE_STA_KEEP_ALIVE, ar->ab->wmi_ab.svc_map))
9835 return 0;
9836
9837 arg.vdev_id = arvif->vdev_id;
9838 arg.enabled = 1;
9839 arg.method = method;
9840 arg.interval = interval;
9841
9842 ret = ath11k_wmi_sta_keepalive(ar, &arg);
9843 if (ret) {
9844 ath11k_warn(ar->ab, "failed to set keepalive on vdev %i: %d\n",
9845 arvif->vdev_id, ret);
9846 return ret;
9847 }
9848
9849 return 0;
9850 }
9851