1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 */
5
6 #include <net/mac80211.h>
7 #include <linux/etherdevice.h>
8 #include "mac.h"
9 #include "core.h"
10 #include "debug.h"
11 #include "wmi.h"
12 #include "hw.h"
13 #include "dp_tx.h"
14 #include "dp_rx.h"
15 #include "testmode.h"
16 #include "peer.h"
17 #include "debugfs_sta.h"
18
19 #define CHAN2G(_channel, _freq, _flags) { \
20 .band = NL80211_BAND_2GHZ, \
21 .hw_value = (_channel), \
22 .center_freq = (_freq), \
23 .flags = (_flags), \
24 .max_antenna_gain = 0, \
25 .max_power = 30, \
26 }
27
28 #define CHAN5G(_channel, _freq, _flags) { \
29 .band = NL80211_BAND_5GHZ, \
30 .hw_value = (_channel), \
31 .center_freq = (_freq), \
32 .flags = (_flags), \
33 .max_antenna_gain = 0, \
34 .max_power = 30, \
35 }
36
37 #define CHAN6G(_channel, _freq, _flags) { \
38 .band = NL80211_BAND_6GHZ, \
39 .hw_value = (_channel), \
40 .center_freq = (_freq), \
41 .flags = (_flags), \
42 .max_antenna_gain = 0, \
43 .max_power = 30, \
44 }
45
46 static const struct ieee80211_channel ath11k_2ghz_channels[] = {
47 CHAN2G(1, 2412, 0),
48 CHAN2G(2, 2417, 0),
49 CHAN2G(3, 2422, 0),
50 CHAN2G(4, 2427, 0),
51 CHAN2G(5, 2432, 0),
52 CHAN2G(6, 2437, 0),
53 CHAN2G(7, 2442, 0),
54 CHAN2G(8, 2447, 0),
55 CHAN2G(9, 2452, 0),
56 CHAN2G(10, 2457, 0),
57 CHAN2G(11, 2462, 0),
58 CHAN2G(12, 2467, 0),
59 CHAN2G(13, 2472, 0),
60 CHAN2G(14, 2484, 0),
61 };
62
63 static const struct ieee80211_channel ath11k_5ghz_channels[] = {
64 CHAN5G(36, 5180, 0),
65 CHAN5G(40, 5200, 0),
66 CHAN5G(44, 5220, 0),
67 CHAN5G(48, 5240, 0),
68 CHAN5G(52, 5260, 0),
69 CHAN5G(56, 5280, 0),
70 CHAN5G(60, 5300, 0),
71 CHAN5G(64, 5320, 0),
72 CHAN5G(100, 5500, 0),
73 CHAN5G(104, 5520, 0),
74 CHAN5G(108, 5540, 0),
75 CHAN5G(112, 5560, 0),
76 CHAN5G(116, 5580, 0),
77 CHAN5G(120, 5600, 0),
78 CHAN5G(124, 5620, 0),
79 CHAN5G(128, 5640, 0),
80 CHAN5G(132, 5660, 0),
81 CHAN5G(136, 5680, 0),
82 CHAN5G(140, 5700, 0),
83 CHAN5G(144, 5720, 0),
84 CHAN5G(149, 5745, 0),
85 CHAN5G(153, 5765, 0),
86 CHAN5G(157, 5785, 0),
87 CHAN5G(161, 5805, 0),
88 CHAN5G(165, 5825, 0),
89 CHAN5G(169, 5845, 0),
90 CHAN5G(173, 5865, 0),
91 };
92
93 static const struct ieee80211_channel ath11k_6ghz_channels[] = {
94 CHAN6G(1, 5955, 0),
95 CHAN6G(5, 5975, 0),
96 CHAN6G(9, 5995, 0),
97 CHAN6G(13, 6015, 0),
98 CHAN6G(17, 6035, 0),
99 CHAN6G(21, 6055, 0),
100 CHAN6G(25, 6075, 0),
101 CHAN6G(29, 6095, 0),
102 CHAN6G(33, 6115, 0),
103 CHAN6G(37, 6135, 0),
104 CHAN6G(41, 6155, 0),
105 CHAN6G(45, 6175, 0),
106 CHAN6G(49, 6195, 0),
107 CHAN6G(53, 6215, 0),
108 CHAN6G(57, 6235, 0),
109 CHAN6G(61, 6255, 0),
110 CHAN6G(65, 6275, 0),
111 CHAN6G(69, 6295, 0),
112 CHAN6G(73, 6315, 0),
113 CHAN6G(77, 6335, 0),
114 CHAN6G(81, 6355, 0),
115 CHAN6G(85, 6375, 0),
116 CHAN6G(89, 6395, 0),
117 CHAN6G(93, 6415, 0),
118 CHAN6G(97, 6435, 0),
119 CHAN6G(101, 6455, 0),
120 CHAN6G(105, 6475, 0),
121 CHAN6G(109, 6495, 0),
122 CHAN6G(113, 6515, 0),
123 CHAN6G(117, 6535, 0),
124 CHAN6G(121, 6555, 0),
125 CHAN6G(125, 6575, 0),
126 CHAN6G(129, 6595, 0),
127 CHAN6G(133, 6615, 0),
128 CHAN6G(137, 6635, 0),
129 CHAN6G(141, 6655, 0),
130 CHAN6G(145, 6675, 0),
131 CHAN6G(149, 6695, 0),
132 CHAN6G(153, 6715, 0),
133 CHAN6G(157, 6735, 0),
134 CHAN6G(161, 6755, 0),
135 CHAN6G(165, 6775, 0),
136 CHAN6G(169, 6795, 0),
137 CHAN6G(173, 6815, 0),
138 CHAN6G(177, 6835, 0),
139 CHAN6G(181, 6855, 0),
140 CHAN6G(185, 6875, 0),
141 CHAN6G(189, 6895, 0),
142 CHAN6G(193, 6915, 0),
143 CHAN6G(197, 6935, 0),
144 CHAN6G(201, 6955, 0),
145 CHAN6G(205, 6975, 0),
146 CHAN6G(209, 6995, 0),
147 CHAN6G(213, 7015, 0),
148 CHAN6G(217, 7035, 0),
149 CHAN6G(221, 7055, 0),
150 CHAN6G(225, 7075, 0),
151 CHAN6G(229, 7095, 0),
152 CHAN6G(233, 7115, 0),
153 };
154
155 static struct ieee80211_rate ath11k_legacy_rates[] = {
156 { .bitrate = 10,
157 .hw_value = ATH11K_HW_RATE_CCK_LP_1M },
158 { .bitrate = 20,
159 .hw_value = ATH11K_HW_RATE_CCK_LP_2M,
160 .hw_value_short = ATH11K_HW_RATE_CCK_SP_2M,
161 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
162 { .bitrate = 55,
163 .hw_value = ATH11K_HW_RATE_CCK_LP_5_5M,
164 .hw_value_short = ATH11K_HW_RATE_CCK_SP_5_5M,
165 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
166 { .bitrate = 110,
167 .hw_value = ATH11K_HW_RATE_CCK_LP_11M,
168 .hw_value_short = ATH11K_HW_RATE_CCK_SP_11M,
169 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
170
171 { .bitrate = 60, .hw_value = ATH11K_HW_RATE_OFDM_6M },
172 { .bitrate = 90, .hw_value = ATH11K_HW_RATE_OFDM_9M },
173 { .bitrate = 120, .hw_value = ATH11K_HW_RATE_OFDM_12M },
174 { .bitrate = 180, .hw_value = ATH11K_HW_RATE_OFDM_18M },
175 { .bitrate = 240, .hw_value = ATH11K_HW_RATE_OFDM_24M },
176 { .bitrate = 360, .hw_value = ATH11K_HW_RATE_OFDM_36M },
177 { .bitrate = 480, .hw_value = ATH11K_HW_RATE_OFDM_48M },
178 { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M },
179 };
180
181 static const int
182 ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = {
183 [NL80211_BAND_2GHZ] = {
184 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
185 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
186 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G,
187 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G,
188 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G,
189 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G,
190 [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN,
191 [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN,
192 },
193 [NL80211_BAND_5GHZ] = {
194 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
195 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
196 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
197 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
198 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
199 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
200 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
201 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
202 },
203 [NL80211_BAND_6GHZ] = {
204 [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN,
205 [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN,
206 [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20,
207 [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20,
208 [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40,
209 [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80,
210 [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160,
211 [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80,
212 },
213
214 };
215
216 const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = {
217 .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START |
218 HTT_RX_FILTER_TLV_FLAGS_PPDU_END |
219 HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE,
220 .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0,
221 .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1,
222 .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2,
223 .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 |
224 HTT_RX_FP_CTRL_FILTER_FLASG3
225 };
226
227 #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4
228 #define ath11k_g_rates ath11k_legacy_rates
229 #define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates))
230 #define ath11k_a_rates (ath11k_legacy_rates + 4)
231 #define ath11k_a_rates_size (ARRAY_SIZE(ath11k_legacy_rates) - 4)
232
233 #define ATH11K_MAC_SCAN_TIMEOUT_MSECS 200 /* in msecs */
234
235 static const u32 ath11k_smps_map[] = {
236 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
237 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
238 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
239 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
240 };
241
242 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw,
243 struct ieee80211_vif *vif);
244
ath11k_mac_bw_to_mac80211_bw(u8 bw)245 u8 ath11k_mac_bw_to_mac80211_bw(u8 bw)
246 {
247 u8 ret = 0;
248
249 switch (bw) {
250 case ATH11K_BW_20:
251 ret = RATE_INFO_BW_20;
252 break;
253 case ATH11K_BW_40:
254 ret = RATE_INFO_BW_40;
255 break;
256 case ATH11K_BW_80:
257 ret = RATE_INFO_BW_80;
258 break;
259 case ATH11K_BW_160:
260 ret = RATE_INFO_BW_160;
261 break;
262 }
263
264 return ret;
265 }
266
ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw)267 enum ath11k_supported_bw ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw)
268 {
269 switch (bw) {
270 case RATE_INFO_BW_20:
271 return ATH11K_BW_20;
272 case RATE_INFO_BW_40:
273 return ATH11K_BW_40;
274 case RATE_INFO_BW_80:
275 return ATH11K_BW_80;
276 case RATE_INFO_BW_160:
277 return ATH11K_BW_160;
278 default:
279 return ATH11K_BW_20;
280 }
281 }
282
ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc,u8 preamble,u8 * rateidx,u16 * rate)283 int ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx,
284 u16 *rate)
285 {
286 /* As default, it is OFDM rates */
287 int i = ATH11K_MAC_FIRST_OFDM_RATE_IDX;
288 int max_rates_idx = ath11k_g_rates_size;
289
290 if (preamble == WMI_RATE_PREAMBLE_CCK) {
291 hw_rc &= ~ATH11k_HW_RATECODE_CCK_SHORT_PREAM_MASK;
292 i = 0;
293 max_rates_idx = ATH11K_MAC_FIRST_OFDM_RATE_IDX;
294 }
295
296 while (i < max_rates_idx) {
297 if (hw_rc == ath11k_legacy_rates[i].hw_value) {
298 *rateidx = i;
299 *rate = ath11k_legacy_rates[i].bitrate;
300 return 0;
301 }
302 i++;
303 }
304
305 return -EINVAL;
306 }
307
get_num_chains(u32 mask)308 static int get_num_chains(u32 mask)
309 {
310 int num_chains = 0;
311
312 while (mask) {
313 if (mask & BIT(0))
314 num_chains++;
315 mask >>= 1;
316 }
317
318 return num_chains;
319 }
320
ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band * sband,u32 bitrate)321 u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
322 u32 bitrate)
323 {
324 int i;
325
326 for (i = 0; i < sband->n_bitrates; i++)
327 if (sband->bitrates[i].bitrate == bitrate)
328 return i;
329
330 return 0;
331 }
332
333 static u32
ath11k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])334 ath11k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
335 {
336 int nss;
337
338 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
339 if (ht_mcs_mask[nss])
340 return nss + 1;
341
342 return 1;
343 }
344
345 static u32
ath11k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])346 ath11k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
347 {
348 int nss;
349
350 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
351 if (vht_mcs_mask[nss])
352 return nss + 1;
353
354 return 1;
355 }
356
ath11k_parse_mpdudensity(u8 mpdudensity)357 static u8 ath11k_parse_mpdudensity(u8 mpdudensity)
358 {
359 /* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
360 * 0 for no restriction
361 * 1 for 1/4 us
362 * 2 for 1/2 us
363 * 3 for 1 us
364 * 4 for 2 us
365 * 5 for 4 us
366 * 6 for 8 us
367 * 7 for 16 us
368 */
369 switch (mpdudensity) {
370 case 0:
371 return 0;
372 case 1:
373 case 2:
374 case 3:
375 /* Our lower layer calculations limit our precision to
376 * 1 microsecond
377 */
378 return 1;
379 case 4:
380 return 2;
381 case 5:
382 return 4;
383 case 6:
384 return 8;
385 case 7:
386 return 16;
387 default:
388 return 0;
389 }
390 }
391
ath11k_mac_vif_chan(struct ieee80211_vif * vif,struct cfg80211_chan_def * def)392 static int ath11k_mac_vif_chan(struct ieee80211_vif *vif,
393 struct cfg80211_chan_def *def)
394 {
395 struct ieee80211_chanctx_conf *conf;
396
397 rcu_read_lock();
398 conf = rcu_dereference(vif->chanctx_conf);
399 if (!conf) {
400 rcu_read_unlock();
401 return -ENOENT;
402 }
403
404 *def = conf->def;
405 rcu_read_unlock();
406
407 return 0;
408 }
409
ath11k_mac_bitrate_is_cck(int bitrate)410 static bool ath11k_mac_bitrate_is_cck(int bitrate)
411 {
412 switch (bitrate) {
413 case 10:
414 case 20:
415 case 55:
416 case 110:
417 return true;
418 }
419
420 return false;
421 }
422
ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band * sband,u8 hw_rate,bool cck)423 u8 ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
424 u8 hw_rate, bool cck)
425 {
426 const struct ieee80211_rate *rate;
427 int i;
428
429 for (i = 0; i < sband->n_bitrates; i++) {
430 rate = &sband->bitrates[i];
431
432 if (ath11k_mac_bitrate_is_cck(rate->bitrate) != cck)
433 continue;
434
435 if (rate->hw_value == hw_rate)
436 return i;
437 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
438 rate->hw_value_short == hw_rate)
439 return i;
440 }
441
442 return 0;
443 }
444
ath11k_mac_bitrate_to_rate(int bitrate)445 static u8 ath11k_mac_bitrate_to_rate(int bitrate)
446 {
447 return DIV_ROUND_UP(bitrate, 5) |
448 (ath11k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
449 }
450
ath11k_get_arvif_iter(void * data,u8 * mac,struct ieee80211_vif * vif)451 static void ath11k_get_arvif_iter(void *data, u8 *mac,
452 struct ieee80211_vif *vif)
453 {
454 struct ath11k_vif_iter *arvif_iter = data;
455 struct ath11k_vif *arvif = (void *)vif->drv_priv;
456
457 if (arvif->vdev_id == arvif_iter->vdev_id)
458 arvif_iter->arvif = arvif;
459 }
460
ath11k_mac_get_arvif(struct ath11k * ar,u32 vdev_id)461 struct ath11k_vif *ath11k_mac_get_arvif(struct ath11k *ar, u32 vdev_id)
462 {
463 struct ath11k_vif_iter arvif_iter;
464 u32 flags;
465
466 memset(&arvif_iter, 0, sizeof(struct ath11k_vif_iter));
467 arvif_iter.vdev_id = vdev_id;
468
469 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
470 ieee80211_iterate_active_interfaces_atomic(ar->hw,
471 flags,
472 ath11k_get_arvif_iter,
473 &arvif_iter);
474 if (!arvif_iter.arvif) {
475 ath11k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id);
476 return NULL;
477 }
478
479 return arvif_iter.arvif;
480 }
481
ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base * ab,u32 vdev_id)482 struct ath11k_vif *ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base *ab,
483 u32 vdev_id)
484 {
485 int i;
486 struct ath11k_pdev *pdev;
487 struct ath11k_vif *arvif;
488
489 for (i = 0; i < ab->num_radios; i++) {
490 pdev = rcu_dereference(ab->pdevs_active[i]);
491 if (pdev && pdev->ar) {
492 arvif = ath11k_mac_get_arvif(pdev->ar, vdev_id);
493 if (arvif)
494 return arvif;
495 }
496 }
497
498 return NULL;
499 }
500
ath11k_mac_get_ar_by_vdev_id(struct ath11k_base * ab,u32 vdev_id)501 struct ath11k *ath11k_mac_get_ar_by_vdev_id(struct ath11k_base *ab, u32 vdev_id)
502 {
503 int i;
504 struct ath11k_pdev *pdev;
505
506 for (i = 0; i < ab->num_radios; i++) {
507 pdev = rcu_dereference(ab->pdevs_active[i]);
508 if (pdev && pdev->ar) {
509 if (pdev->ar->allocated_vdev_map & (1LL << vdev_id))
510 return pdev->ar;
511 }
512 }
513
514 return NULL;
515 }
516
ath11k_mac_get_ar_by_pdev_id(struct ath11k_base * ab,u32 pdev_id)517 struct ath11k *ath11k_mac_get_ar_by_pdev_id(struct ath11k_base *ab, u32 pdev_id)
518 {
519 int i;
520 struct ath11k_pdev *pdev;
521
522 if (ab->hw_params.single_pdev_only) {
523 pdev = rcu_dereference(ab->pdevs_active[0]);
524 return pdev ? pdev->ar : NULL;
525 }
526
527 if (WARN_ON(pdev_id > ab->num_radios))
528 return NULL;
529
530 for (i = 0; i < ab->num_radios; i++) {
531 pdev = rcu_dereference(ab->pdevs_active[i]);
532
533 if (pdev && pdev->pdev_id == pdev_id)
534 return (pdev->ar ? pdev->ar : NULL);
535 }
536
537 return NULL;
538 }
539
ath11k_pdev_caps_update(struct ath11k * ar)540 static void ath11k_pdev_caps_update(struct ath11k *ar)
541 {
542 struct ath11k_base *ab = ar->ab;
543
544 ar->max_tx_power = ab->target_caps.hw_max_tx_power;
545
546 /* FIXME Set min_tx_power to ab->target_caps.hw_min_tx_power.
547 * But since the received value in svcrdy is same as hw_max_tx_power,
548 * we can set ar->min_tx_power to 0 currently until
549 * this is fixed in firmware
550 */
551 ar->min_tx_power = 0;
552
553 ar->txpower_limit_2g = ar->max_tx_power;
554 ar->txpower_limit_5g = ar->max_tx_power;
555 ar->txpower_scale = WMI_HOST_TP_SCALE_MAX;
556 }
557
ath11k_mac_txpower_recalc(struct ath11k * ar)558 static int ath11k_mac_txpower_recalc(struct ath11k *ar)
559 {
560 struct ath11k_pdev *pdev = ar->pdev;
561 struct ath11k_vif *arvif;
562 int ret, txpower = -1;
563 u32 param;
564
565 lockdep_assert_held(&ar->conf_mutex);
566
567 list_for_each_entry(arvif, &ar->arvifs, list) {
568 if (arvif->txpower <= 0)
569 continue;
570
571 if (txpower == -1)
572 txpower = arvif->txpower;
573 else
574 txpower = min(txpower, arvif->txpower);
575 }
576
577 if (txpower == -1)
578 return 0;
579
580 /* txpwr is set as 2 units per dBm in FW*/
581 txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower),
582 ar->max_tx_power) * 2;
583
584 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower to set in hw %d\n",
585 txpower / 2);
586
587 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) &&
588 ar->txpower_limit_2g != txpower) {
589 param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G;
590 ret = ath11k_wmi_pdev_set_param(ar, param,
591 txpower, ar->pdev->pdev_id);
592 if (ret)
593 goto fail;
594 ar->txpower_limit_2g = txpower;
595 }
596
597 if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) &&
598 ar->txpower_limit_5g != txpower) {
599 param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G;
600 ret = ath11k_wmi_pdev_set_param(ar, param,
601 txpower, ar->pdev->pdev_id);
602 if (ret)
603 goto fail;
604 ar->txpower_limit_5g = txpower;
605 }
606
607 return 0;
608
609 fail:
610 ath11k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n",
611 txpower / 2, param, ret);
612 return ret;
613 }
614
ath11k_recalc_rtscts_prot(struct ath11k_vif * arvif)615 static int ath11k_recalc_rtscts_prot(struct ath11k_vif *arvif)
616 {
617 struct ath11k *ar = arvif->ar;
618 u32 vdev_param, rts_cts = 0;
619 int ret;
620
621 lockdep_assert_held(&ar->conf_mutex);
622
623 vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS;
624
625 /* Enable RTS/CTS protection for sw retries (when legacy stations
626 * are in BSS) or by default only for second rate series.
627 * TODO: Check if we need to enable CTS 2 Self in any case
628 */
629 rts_cts = WMI_USE_RTS_CTS;
630
631 if (arvif->num_legacy_stations > 0)
632 rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4;
633 else
634 rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4;
635
636 /* Need not send duplicate param value to firmware */
637 if (arvif->rtscts_prot_mode == rts_cts)
638 return 0;
639
640 arvif->rtscts_prot_mode = rts_cts;
641
642 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n",
643 arvif->vdev_id, rts_cts);
644
645 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
646 vdev_param, rts_cts);
647 if (ret)
648 ath11k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n",
649 arvif->vdev_id, ret);
650
651 return ret;
652 }
653
ath11k_mac_set_kickout(struct ath11k_vif * arvif)654 static int ath11k_mac_set_kickout(struct ath11k_vif *arvif)
655 {
656 struct ath11k *ar = arvif->ar;
657 u32 param;
658 int ret;
659
660 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH,
661 ATH11K_KICKOUT_THRESHOLD,
662 ar->pdev->pdev_id);
663 if (ret) {
664 ath11k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n",
665 arvif->vdev_id, ret);
666 return ret;
667 }
668
669 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS;
670 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
671 ATH11K_KEEPALIVE_MIN_IDLE);
672 if (ret) {
673 ath11k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n",
674 arvif->vdev_id, ret);
675 return ret;
676 }
677
678 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS;
679 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
680 ATH11K_KEEPALIVE_MAX_IDLE);
681 if (ret) {
682 ath11k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n",
683 arvif->vdev_id, ret);
684 return ret;
685 }
686
687 param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS;
688 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param,
689 ATH11K_KEEPALIVE_MAX_UNRESPONSIVE);
690 if (ret) {
691 ath11k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
692 arvif->vdev_id, ret);
693 return ret;
694 }
695
696 return 0;
697 }
698
ath11k_mac_peer_cleanup_all(struct ath11k * ar)699 void ath11k_mac_peer_cleanup_all(struct ath11k *ar)
700 {
701 struct ath11k_peer *peer, *tmp;
702 struct ath11k_base *ab = ar->ab;
703
704 lockdep_assert_held(&ar->conf_mutex);
705
706 spin_lock_bh(&ab->base_lock);
707 list_for_each_entry_safe(peer, tmp, &ab->peers, list) {
708 ath11k_peer_rx_tid_cleanup(ar, peer);
709 list_del(&peer->list);
710 kfree(peer);
711 }
712 spin_unlock_bh(&ab->base_lock);
713
714 ar->num_peers = 0;
715 ar->num_stations = 0;
716 }
717
ath11k_monitor_vdev_up(struct ath11k * ar,int vdev_id)718 static int ath11k_monitor_vdev_up(struct ath11k *ar, int vdev_id)
719 {
720 int ret = 0;
721
722 ret = ath11k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
723 if (ret) {
724 ath11k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n",
725 vdev_id, ret);
726 return ret;
727 }
728
729 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %i started\n",
730 vdev_id);
731 return 0;
732 }
733
ath11k_mac_op_config(struct ieee80211_hw * hw,u32 changed)734 static int ath11k_mac_op_config(struct ieee80211_hw *hw, u32 changed)
735 {
736 /* mac80211 requires this op to be present and that's why
737 * there's an empty function, this can be extended when
738 * required.
739 */
740
741 return 0;
742 }
743
ath11k_mac_setup_bcn_tmpl(struct ath11k_vif * arvif)744 static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif)
745 {
746 struct ath11k *ar = arvif->ar;
747 struct ath11k_base *ab = ar->ab;
748 struct ieee80211_hw *hw = ar->hw;
749 struct ieee80211_vif *vif = arvif->vif;
750 struct ieee80211_mutable_offsets offs = {};
751 struct sk_buff *bcn;
752 struct ieee80211_mgmt *mgmt;
753 u8 *ies;
754 int ret;
755
756 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
757 return 0;
758
759 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
760 if (!bcn) {
761 ath11k_warn(ab, "failed to get beacon template from mac80211\n");
762 return -EPERM;
763 }
764
765 ies = bcn->data + ieee80211_get_hdrlen_from_skb(bcn);
766 ies += sizeof(mgmt->u.beacon);
767
768 if (cfg80211_find_ie(WLAN_EID_RSN, ies, (skb_tail_pointer(bcn) - ies)))
769 arvif->rsnie_present = true;
770
771 if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
772 WLAN_OUI_TYPE_MICROSOFT_WPA,
773 ies, (skb_tail_pointer(bcn) - ies)))
774 arvif->wpaie_present = true;
775
776 ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn);
777
778 kfree_skb(bcn);
779
780 if (ret)
781 ath11k_warn(ab, "failed to submit beacon template command: %d\n",
782 ret);
783
784 return ret;
785 }
786
ath11k_control_beaconing(struct ath11k_vif * arvif,struct ieee80211_bss_conf * info)787 static void ath11k_control_beaconing(struct ath11k_vif *arvif,
788 struct ieee80211_bss_conf *info)
789 {
790 struct ath11k *ar = arvif->ar;
791 int ret = 0;
792
793 lockdep_assert_held(&arvif->ar->conf_mutex);
794
795 if (!info->enable_beacon) {
796 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);
797 if (ret)
798 ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n",
799 arvif->vdev_id, ret);
800
801 arvif->is_up = false;
802 return;
803 }
804
805 /* Install the beacon template to the FW */
806 ret = ath11k_mac_setup_bcn_tmpl(arvif);
807 if (ret) {
808 ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n",
809 ret);
810 return;
811 }
812
813 arvif->tx_seq_no = 0x1000;
814
815 arvif->aid = 0;
816
817 ether_addr_copy(arvif->bssid, info->bssid);
818
819 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
820 arvif->bssid);
821 if (ret) {
822 ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n",
823 arvif->vdev_id, ret);
824 return;
825 }
826
827 arvif->is_up = true;
828
829 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
830 }
831
ath11k_mac_handle_beacon_iter(void * data,u8 * mac,struct ieee80211_vif * vif)832 static void ath11k_mac_handle_beacon_iter(void *data, u8 *mac,
833 struct ieee80211_vif *vif)
834 {
835 struct sk_buff *skb = data;
836 struct ieee80211_mgmt *mgmt = (void *)skb->data;
837 struct ath11k_vif *arvif = (void *)vif->drv_priv;
838
839 if (vif->type != NL80211_IFTYPE_STATION)
840 return;
841
842 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
843 return;
844
845 cancel_delayed_work(&arvif->connection_loss_work);
846 }
847
ath11k_mac_handle_beacon(struct ath11k * ar,struct sk_buff * skb)848 void ath11k_mac_handle_beacon(struct ath11k *ar, struct sk_buff *skb)
849 {
850 ieee80211_iterate_active_interfaces_atomic(ar->hw,
851 IEEE80211_IFACE_ITER_NORMAL,
852 ath11k_mac_handle_beacon_iter,
853 skb);
854 }
855
ath11k_mac_handle_beacon_miss_iter(void * data,u8 * mac,struct ieee80211_vif * vif)856 static void ath11k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
857 struct ieee80211_vif *vif)
858 {
859 u32 *vdev_id = data;
860 struct ath11k_vif *arvif = (void *)vif->drv_priv;
861 struct ath11k *ar = arvif->ar;
862 struct ieee80211_hw *hw = ar->hw;
863
864 if (arvif->vdev_id != *vdev_id)
865 return;
866
867 if (!arvif->is_up)
868 return;
869
870 ieee80211_beacon_loss(vif);
871
872 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
873 * (done by mac80211) succeeds but beacons do not resume then it
874 * doesn't make sense to continue operation. Queue connection loss work
875 * which can be cancelled when beacon is received.
876 */
877 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
878 ATH11K_CONNECTION_LOSS_HZ);
879 }
880
ath11k_mac_handle_beacon_miss(struct ath11k * ar,u32 vdev_id)881 void ath11k_mac_handle_beacon_miss(struct ath11k *ar, u32 vdev_id)
882 {
883 ieee80211_iterate_active_interfaces_atomic(ar->hw,
884 IEEE80211_IFACE_ITER_NORMAL,
885 ath11k_mac_handle_beacon_miss_iter,
886 &vdev_id);
887 }
888
ath11k_mac_vif_sta_connection_loss_work(struct work_struct * work)889 static void ath11k_mac_vif_sta_connection_loss_work(struct work_struct *work)
890 {
891 struct ath11k_vif *arvif = container_of(work, struct ath11k_vif,
892 connection_loss_work.work);
893 struct ieee80211_vif *vif = arvif->vif;
894
895 if (!arvif->is_up)
896 return;
897
898 ieee80211_connection_loss(vif);
899 }
900
ath11k_peer_assoc_h_basic(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)901 static void ath11k_peer_assoc_h_basic(struct ath11k *ar,
902 struct ieee80211_vif *vif,
903 struct ieee80211_sta *sta,
904 struct peer_assoc_params *arg)
905 {
906 struct ath11k_vif *arvif = (void *)vif->drv_priv;
907 u32 aid;
908
909 lockdep_assert_held(&ar->conf_mutex);
910
911 if (vif->type == NL80211_IFTYPE_STATION)
912 aid = vif->bss_conf.aid;
913 else
914 aid = sta->aid;
915
916 ether_addr_copy(arg->peer_mac, sta->addr);
917 arg->vdev_id = arvif->vdev_id;
918 arg->peer_associd = aid;
919 arg->auth_flag = true;
920 /* TODO: STA WAR in ath10k for listen interval required? */
921 arg->peer_listen_intval = ar->hw->conf.listen_interval;
922 arg->peer_nss = 1;
923 arg->peer_caps = vif->bss_conf.assoc_capability;
924 }
925
ath11k_peer_assoc_h_crypto(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)926 static void ath11k_peer_assoc_h_crypto(struct ath11k *ar,
927 struct ieee80211_vif *vif,
928 struct ieee80211_sta *sta,
929 struct peer_assoc_params *arg)
930 {
931 struct ieee80211_bss_conf *info = &vif->bss_conf;
932 struct cfg80211_chan_def def;
933 struct cfg80211_bss *bss;
934 struct ath11k_vif *arvif = (struct ath11k_vif *)vif->drv_priv;
935 const u8 *rsnie = NULL;
936 const u8 *wpaie = NULL;
937
938 lockdep_assert_held(&ar->conf_mutex);
939
940 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
941 return;
942
943 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
944 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
945
946 if (arvif->rsnie_present || arvif->wpaie_present) {
947 arg->need_ptk_4_way = true;
948 if (arvif->wpaie_present)
949 arg->need_gtk_2_way = true;
950 } else if (bss) {
951 const struct cfg80211_bss_ies *ies;
952
953 rcu_read_lock();
954 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
955
956 ies = rcu_dereference(bss->ies);
957
958 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
959 WLAN_OUI_TYPE_MICROSOFT_WPA,
960 ies->data,
961 ies->len);
962 rcu_read_unlock();
963 cfg80211_put_bss(ar->hw->wiphy, bss);
964 }
965
966 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
967 if (rsnie || wpaie) {
968 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
969 "%s: rsn ie found\n", __func__);
970 arg->need_ptk_4_way = true;
971 }
972
973 if (wpaie) {
974 ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
975 "%s: wpa ie found\n", __func__);
976 arg->need_gtk_2_way = true;
977 }
978
979 if (sta->mfp) {
980 /* TODO: Need to check if FW supports PMF? */
981 arg->is_pmf_enabled = true;
982 }
983
984 /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */
985 }
986
ath11k_peer_assoc_h_rates(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)987 static void ath11k_peer_assoc_h_rates(struct ath11k *ar,
988 struct ieee80211_vif *vif,
989 struct ieee80211_sta *sta,
990 struct peer_assoc_params *arg)
991 {
992 struct ath11k_vif *arvif = (void *)vif->drv_priv;
993 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
994 struct cfg80211_chan_def def;
995 const struct ieee80211_supported_band *sband;
996 const struct ieee80211_rate *rates;
997 enum nl80211_band band;
998 u32 ratemask;
999 u8 rate;
1000 int i;
1001
1002 lockdep_assert_held(&ar->conf_mutex);
1003
1004 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1005 return;
1006
1007 band = def.chan->band;
1008 sband = ar->hw->wiphy->bands[band];
1009 ratemask = sta->supp_rates[band];
1010 ratemask &= arvif->bitrate_mask.control[band].legacy;
1011 rates = sband->bitrates;
1012
1013 rateset->num_rates = 0;
1014
1015 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
1016 if (!(ratemask & 1))
1017 continue;
1018
1019 rate = ath11k_mac_bitrate_to_rate(rates->bitrate);
1020 rateset->rates[rateset->num_rates] = rate;
1021 rateset->num_rates++;
1022 }
1023 }
1024
1025 static bool
ath11k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])1026 ath11k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
1027 {
1028 int nss;
1029
1030 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
1031 if (ht_mcs_mask[nss])
1032 return false;
1033
1034 return true;
1035 }
1036
1037 static bool
ath11k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])1038 ath11k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
1039 {
1040 int nss;
1041
1042 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
1043 if (vht_mcs_mask[nss])
1044 return false;
1045
1046 return true;
1047 }
1048
ath11k_peer_assoc_h_ht(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1049 static void ath11k_peer_assoc_h_ht(struct ath11k *ar,
1050 struct ieee80211_vif *vif,
1051 struct ieee80211_sta *sta,
1052 struct peer_assoc_params *arg)
1053 {
1054 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
1055 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1056 struct cfg80211_chan_def def;
1057 enum nl80211_band band;
1058 const u8 *ht_mcs_mask;
1059 int i, n;
1060 u8 max_nss;
1061 u32 stbc;
1062
1063 lockdep_assert_held(&ar->conf_mutex);
1064
1065 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1066 return;
1067
1068 if (!ht_cap->ht_supported)
1069 return;
1070
1071 band = def.chan->band;
1072 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
1073
1074 if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask))
1075 return;
1076
1077 arg->ht_flag = true;
1078
1079 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
1080 ht_cap->ampdu_factor)) - 1;
1081
1082 arg->peer_mpdu_density =
1083 ath11k_parse_mpdudensity(ht_cap->ampdu_density);
1084
1085 arg->peer_ht_caps = ht_cap->cap;
1086 arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG;
1087
1088 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
1089 arg->ldpc_flag = true;
1090
1091 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
1092 arg->bw_40 = true;
1093 arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG;
1094 }
1095
1096 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
1097 if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 |
1098 IEEE80211_HT_CAP_SGI_40))
1099 arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG;
1100 }
1101
1102 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
1103 arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG;
1104 arg->stbc_flag = true;
1105 }
1106
1107 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
1108 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
1109 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
1110 stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S;
1111 arg->peer_rate_caps |= stbc;
1112 arg->stbc_flag = true;
1113 }
1114
1115 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
1116 arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG;
1117 else if (ht_cap->mcs.rx_mask[1])
1118 arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG;
1119
1120 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
1121 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
1122 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
1123 max_nss = (i / 8) + 1;
1124 arg->peer_ht_rates.rates[n++] = i;
1125 }
1126
1127 /* This is a workaround for HT-enabled STAs which break the spec
1128 * and have no HT capabilities RX mask (no HT RX MCS map).
1129 *
1130 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
1131 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
1132 *
1133 * Firmware asserts if such situation occurs.
1134 */
1135 if (n == 0) {
1136 arg->peer_ht_rates.num_rates = 8;
1137 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
1138 arg->peer_ht_rates.rates[i] = i;
1139 } else {
1140 arg->peer_ht_rates.num_rates = n;
1141 arg->peer_nss = min(sta->rx_nss, max_nss);
1142 }
1143
1144 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
1145 arg->peer_mac,
1146 arg->peer_ht_rates.num_rates,
1147 arg->peer_nss);
1148 }
1149
ath11k_mac_get_max_vht_mcs_map(u16 mcs_map,int nss)1150 static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
1151 {
1152 switch ((mcs_map >> (2 * nss)) & 0x3) {
1153 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
1154 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
1155 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
1156 }
1157 return 0;
1158 }
1159
1160 static u16
ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])1161 ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
1162 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
1163 {
1164 int idx_limit;
1165 int nss;
1166 u16 mcs_map;
1167 u16 mcs;
1168
1169 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
1170 mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
1171 vht_mcs_limit[nss];
1172
1173 if (mcs_map)
1174 idx_limit = fls(mcs_map) - 1;
1175 else
1176 idx_limit = -1;
1177
1178 switch (idx_limit) {
1179 case 0:
1180 case 1:
1181 case 2:
1182 case 3:
1183 case 4:
1184 case 5:
1185 case 6:
1186 case 7:
1187 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
1188 break;
1189 case 8:
1190 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
1191 break;
1192 case 9:
1193 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
1194 break;
1195 default:
1196 WARN_ON(1);
1197 fallthrough;
1198 case -1:
1199 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
1200 break;
1201 }
1202
1203 tx_mcs_set &= ~(0x3 << (nss * 2));
1204 tx_mcs_set |= mcs << (nss * 2);
1205 }
1206
1207 return tx_mcs_set;
1208 }
1209
ath11k_peer_assoc_h_vht(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1210 static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
1211 struct ieee80211_vif *vif,
1212 struct ieee80211_sta *sta,
1213 struct peer_assoc_params *arg)
1214 {
1215 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
1216 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1217 struct cfg80211_chan_def def;
1218 enum nl80211_band band;
1219 const u16 *vht_mcs_mask;
1220 u8 ampdu_factor;
1221 u8 max_nss, vht_mcs;
1222 int i;
1223
1224 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1225 return;
1226
1227 if (!vht_cap->vht_supported)
1228 return;
1229
1230 band = def.chan->band;
1231 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
1232
1233 if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask))
1234 return;
1235
1236 arg->vht_flag = true;
1237
1238 /* TODO: similar flags required? */
1239 arg->vht_capable = true;
1240
1241 if (def.chan->band == NL80211_BAND_2GHZ)
1242 arg->vht_ng_flag = true;
1243
1244 arg->peer_vht_caps = vht_cap->cap;
1245
1246 ampdu_factor = (vht_cap->cap &
1247 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
1248 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
1249
1250 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
1251 * zero in VHT IE. Using it would result in degraded throughput.
1252 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
1253 * it if VHT max_mpdu is smaller.
1254 */
1255 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
1256 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
1257 ampdu_factor)) - 1);
1258
1259 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
1260 arg->bw_80 = true;
1261
1262 if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
1263 arg->bw_160 = true;
1264
1265 /* Calculate peer NSS capability from VHT capabilities if STA
1266 * supports VHT.
1267 */
1268 for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) {
1269 vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >>
1270 (2 * i) & 3;
1271
1272 if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED &&
1273 vht_mcs_mask[i])
1274 max_nss = i + 1;
1275 }
1276 arg->peer_nss = min(sta->rx_nss, max_nss);
1277 arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
1278 arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
1279 arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
1280 arg->tx_mcs_set = ath11k_peer_assoc_h_vht_limit(
1281 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
1282
1283 /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default.
1284 * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard.
1285 * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode.
1286 */
1287 arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;
1288 arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;
1289
1290 if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==
1291 IEEE80211_VHT_MCS_NOT_SUPPORTED)
1292 arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1293
1294 /* TODO: Check */
1295 arg->tx_max_mcs_nss = 0xFF;
1296
1297 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
1298 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
1299
1300 /* TODO: rxnss_override */
1301 }
1302
ath11k_peer_assoc_h_he(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1303 static void ath11k_peer_assoc_h_he(struct ath11k *ar,
1304 struct ieee80211_vif *vif,
1305 struct ieee80211_sta *sta,
1306 struct peer_assoc_params *arg)
1307 {
1308 const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
1309 u8 ampdu_factor;
1310 u16 v;
1311
1312 if (!he_cap->has_he)
1313 return;
1314
1315 arg->he_flag = true;
1316
1317 memcpy_and_pad(&arg->peer_he_cap_macinfo,
1318 sizeof(arg->peer_he_cap_macinfo),
1319 he_cap->he_cap_elem.mac_cap_info,
1320 sizeof(he_cap->he_cap_elem.mac_cap_info),
1321 0);
1322 memcpy_and_pad(&arg->peer_he_cap_phyinfo,
1323 sizeof(arg->peer_he_cap_phyinfo),
1324 he_cap->he_cap_elem.phy_cap_info,
1325 sizeof(he_cap->he_cap_elem.phy_cap_info),
1326 0);
1327 arg->peer_he_ops = vif->bss_conf.he_oper.params;
1328
1329 /* the top most byte is used to indicate BSS color info */
1330 arg->peer_he_ops &= 0xffffff;
1331
1332 /* As per section 26.6.1 11ax Draft5.0, if the Max AMPDU Exponent Extension
1333 * in HE cap is zero, use the arg->peer_max_mpdu as calculated while parsing
1334 * VHT caps(if VHT caps is present) or HT caps (if VHT caps is not present).
1335 *
1336 * For non-zero value of Max AMPDU Extponent Extension in HE MAC caps,
1337 * if a HE STA sends VHT cap and HE cap IE in assoc request then, use
1338 * MAX_AMPDU_LEN_FACTOR as 20 to calculate max_ampdu length.
1339 * If a HE STA that does not send VHT cap, but HE and HT cap in assoc
1340 * request, then use MAX_AMPDU_LEN_FACTOR as 16 to calculate max_ampdu
1341 * length.
1342 */
1343 ampdu_factor = u8_get_bits(he_cap->he_cap_elem.mac_cap_info[3],
1344 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK);
1345
1346 if (ampdu_factor) {
1347 if (sta->vht_cap.vht_supported)
1348 arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR +
1349 ampdu_factor)) - 1;
1350 else if (sta->ht_cap.ht_supported)
1351 arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR +
1352 ampdu_factor)) - 1;
1353 }
1354
1355 if (he_cap->he_cap_elem.phy_cap_info[6] &
1356 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
1357 int bit = 7;
1358 int nss, ru;
1359
1360 arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] &
1361 IEEE80211_PPE_THRES_NSS_MASK;
1362 arg->peer_ppet.ru_bit_mask =
1363 (he_cap->ppe_thres[0] &
1364 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
1365 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
1366
1367 for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) {
1368 for (ru = 0; ru < 4; ru++) {
1369 u32 val = 0;
1370 int i;
1371
1372 if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0)
1373 continue;
1374 for (i = 0; i < 6; i++) {
1375 val >>= 1;
1376 val |= ((he_cap->ppe_thres[bit / 8] >>
1377 (bit % 8)) & 0x1) << 5;
1378 bit++;
1379 }
1380 arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |=
1381 val << (ru * 6);
1382 }
1383 }
1384 }
1385
1386 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES)
1387 arg->twt_responder = true;
1388 if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ)
1389 arg->twt_requester = true;
1390
1391 switch (sta->bandwidth) {
1392 case IEEE80211_STA_RX_BW_160:
1393 if (he_cap->he_cap_elem.phy_cap_info[0] &
1394 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
1395 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80);
1396 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
1397
1398 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80);
1399 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v;
1400
1401 arg->peer_he_mcs_count++;
1402 }
1403 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
1404 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
1405
1406 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160);
1407 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v;
1408
1409 arg->peer_he_mcs_count++;
1410 fallthrough;
1411
1412 default:
1413 v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
1414 arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
1415
1416 v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
1417 arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v;
1418
1419 arg->peer_he_mcs_count++;
1420 break;
1421 }
1422 }
1423
ath11k_peer_assoc_h_smps(struct ieee80211_sta * sta,struct peer_assoc_params * arg)1424 static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta,
1425 struct peer_assoc_params *arg)
1426 {
1427 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
1428 int smps;
1429
1430 if (!ht_cap->ht_supported)
1431 return;
1432
1433 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
1434 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
1435
1436 switch (smps) {
1437 case WLAN_HT_CAP_SM_PS_STATIC:
1438 arg->static_mimops_flag = true;
1439 break;
1440 case WLAN_HT_CAP_SM_PS_DYNAMIC:
1441 arg->dynamic_mimops_flag = true;
1442 break;
1443 case WLAN_HT_CAP_SM_PS_DISABLED:
1444 arg->spatial_mux_flag = true;
1445 break;
1446 default:
1447 break;
1448 }
1449 }
1450
ath11k_peer_assoc_h_qos(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1451 static void ath11k_peer_assoc_h_qos(struct ath11k *ar,
1452 struct ieee80211_vif *vif,
1453 struct ieee80211_sta *sta,
1454 struct peer_assoc_params *arg)
1455 {
1456 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1457
1458 switch (arvif->vdev_type) {
1459 case WMI_VDEV_TYPE_AP:
1460 if (sta->wme) {
1461 /* TODO: Check WME vs QoS */
1462 arg->is_wme_set = true;
1463 arg->qos_flag = true;
1464 }
1465
1466 if (sta->wme && sta->uapsd_queues) {
1467 /* TODO: Check WME vs QoS */
1468 arg->is_wme_set = true;
1469 arg->apsd_flag = true;
1470 arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG;
1471 }
1472 break;
1473 case WMI_VDEV_TYPE_STA:
1474 if (sta->wme) {
1475 arg->is_wme_set = true;
1476 arg->qos_flag = true;
1477 }
1478 break;
1479 default:
1480 break;
1481 }
1482
1483 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM qos %d\n",
1484 sta->addr, arg->qos_flag);
1485 }
1486
ath11k_peer_assoc_qos_ap(struct ath11k * ar,struct ath11k_vif * arvif,struct ieee80211_sta * sta)1487 static int ath11k_peer_assoc_qos_ap(struct ath11k *ar,
1488 struct ath11k_vif *arvif,
1489 struct ieee80211_sta *sta)
1490 {
1491 struct ap_ps_params params;
1492 u32 max_sp;
1493 u32 uapsd;
1494 int ret;
1495
1496 lockdep_assert_held(&ar->conf_mutex);
1497
1498 params.vdev_id = arvif->vdev_id;
1499
1500 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
1501 sta->uapsd_queues, sta->max_sp);
1502
1503 uapsd = 0;
1504 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
1505 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
1506 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
1507 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
1508 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
1509 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
1510 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
1511 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
1512 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
1513 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
1514 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
1515 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
1516
1517 max_sp = 0;
1518 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
1519 max_sp = sta->max_sp;
1520
1521 params.param = WMI_AP_PS_PEER_PARAM_UAPSD;
1522 params.value = uapsd;
1523 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
1524 if (ret)
1525 goto err;
1526
1527 params.param = WMI_AP_PS_PEER_PARAM_MAX_SP;
1528 params.value = max_sp;
1529 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
1530 if (ret)
1531 goto err;
1532
1533 /* TODO revisit during testing */
1534 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE;
1535 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;
1536 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
1537 if (ret)
1538 goto err;
1539
1540 params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD;
1541 params.value = DISABLE_SIFS_RESPONSE_TRIGGER;
1542 ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms);
1543 if (ret)
1544 goto err;
1545
1546 return 0;
1547
1548 err:
1549 ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n",
1550 params.param, arvif->vdev_id, ret);
1551 return ret;
1552 }
1553
ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta * sta)1554 static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
1555 {
1556 return sta->supp_rates[NL80211_BAND_2GHZ] >>
1557 ATH11K_MAC_FIRST_OFDM_RATE_IDX;
1558 }
1559
ath11k_mac_get_phymode_vht(struct ath11k * ar,struct ieee80211_sta * sta)1560 static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar,
1561 struct ieee80211_sta *sta)
1562 {
1563 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) {
1564 switch (sta->vht_cap.cap &
1565 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
1566 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
1567 return MODE_11AC_VHT160;
1568 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
1569 return MODE_11AC_VHT80_80;
1570 default:
1571 /* not sure if this is a valid case? */
1572 return MODE_11AC_VHT160;
1573 }
1574 }
1575
1576 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
1577 return MODE_11AC_VHT80;
1578
1579 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
1580 return MODE_11AC_VHT40;
1581
1582 if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
1583 return MODE_11AC_VHT20;
1584
1585 return MODE_UNKNOWN;
1586 }
1587
ath11k_mac_get_phymode_he(struct ath11k * ar,struct ieee80211_sta * sta)1588 static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar,
1589 struct ieee80211_sta *sta)
1590 {
1591 if (sta->bandwidth == IEEE80211_STA_RX_BW_160) {
1592 if (sta->he_cap.he_cap_elem.phy_cap_info[0] &
1593 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1594 return MODE_11AX_HE160;
1595 else if (sta->he_cap.he_cap_elem.phy_cap_info[0] &
1596 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1597 return MODE_11AX_HE80_80;
1598 /* not sure if this is a valid case? */
1599 return MODE_11AX_HE160;
1600 }
1601
1602 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
1603 return MODE_11AX_HE80;
1604
1605 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
1606 return MODE_11AX_HE40;
1607
1608 if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
1609 return MODE_11AX_HE20;
1610
1611 return MODE_UNKNOWN;
1612 }
1613
ath11k_peer_assoc_h_phymode(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg)1614 static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
1615 struct ieee80211_vif *vif,
1616 struct ieee80211_sta *sta,
1617 struct peer_assoc_params *arg)
1618 {
1619 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1620 struct cfg80211_chan_def def;
1621 enum nl80211_band band;
1622 const u8 *ht_mcs_mask;
1623 const u16 *vht_mcs_mask;
1624 enum wmi_phy_mode phymode = MODE_UNKNOWN;
1625
1626 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
1627 return;
1628
1629 band = def.chan->band;
1630 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
1631 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
1632
1633 switch (band) {
1634 case NL80211_BAND_2GHZ:
1635 if (sta->he_cap.has_he) {
1636 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
1637 phymode = MODE_11AX_HE80_2G;
1638 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
1639 phymode = MODE_11AX_HE40_2G;
1640 else
1641 phymode = MODE_11AX_HE20_2G;
1642 } else if (sta->vht_cap.vht_supported &&
1643 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
1644 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
1645 phymode = MODE_11AC_VHT40;
1646 else
1647 phymode = MODE_11AC_VHT20;
1648 } else if (sta->ht_cap.ht_supported &&
1649 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
1650 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
1651 phymode = MODE_11NG_HT40;
1652 else
1653 phymode = MODE_11NG_HT20;
1654 } else if (ath11k_mac_sta_has_ofdm_only(sta)) {
1655 phymode = MODE_11G;
1656 } else {
1657 phymode = MODE_11B;
1658 }
1659 break;
1660 case NL80211_BAND_5GHZ:
1661 case NL80211_BAND_6GHZ:
1662 /* Check HE first */
1663 if (sta->he_cap.has_he) {
1664 phymode = ath11k_mac_get_phymode_he(ar, sta);
1665 } else if (sta->vht_cap.vht_supported &&
1666 !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
1667 phymode = ath11k_mac_get_phymode_vht(ar, sta);
1668 } else if (sta->ht_cap.ht_supported &&
1669 !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
1670 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
1671 phymode = MODE_11NA_HT40;
1672 else
1673 phymode = MODE_11NA_HT20;
1674 } else {
1675 phymode = MODE_11A;
1676 }
1677 break;
1678 default:
1679 break;
1680 }
1681
1682 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM phymode %s\n",
1683 sta->addr, ath11k_wmi_phymode_str(phymode));
1684
1685 arg->peer_phymode = phymode;
1686 WARN_ON(phymode == MODE_UNKNOWN);
1687 }
1688
ath11k_peer_assoc_prepare(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct peer_assoc_params * arg,bool reassoc)1689 static void ath11k_peer_assoc_prepare(struct ath11k *ar,
1690 struct ieee80211_vif *vif,
1691 struct ieee80211_sta *sta,
1692 struct peer_assoc_params *arg,
1693 bool reassoc)
1694 {
1695 lockdep_assert_held(&ar->conf_mutex);
1696
1697 memset(arg, 0, sizeof(*arg));
1698
1699 reinit_completion(&ar->peer_assoc_done);
1700
1701 arg->peer_new_assoc = !reassoc;
1702 ath11k_peer_assoc_h_basic(ar, vif, sta, arg);
1703 ath11k_peer_assoc_h_crypto(ar, vif, sta, arg);
1704 ath11k_peer_assoc_h_rates(ar, vif, sta, arg);
1705 ath11k_peer_assoc_h_ht(ar, vif, sta, arg);
1706 ath11k_peer_assoc_h_vht(ar, vif, sta, arg);
1707 ath11k_peer_assoc_h_he(ar, vif, sta, arg);
1708 ath11k_peer_assoc_h_qos(ar, vif, sta, arg);
1709 ath11k_peer_assoc_h_phymode(ar, vif, sta, arg);
1710 ath11k_peer_assoc_h_smps(sta, arg);
1711
1712 /* TODO: amsdu_disable req? */
1713 }
1714
ath11k_setup_peer_smps(struct ath11k * ar,struct ath11k_vif * arvif,const u8 * addr,const struct ieee80211_sta_ht_cap * ht_cap)1715 static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif,
1716 const u8 *addr,
1717 const struct ieee80211_sta_ht_cap *ht_cap)
1718 {
1719 int smps;
1720
1721 if (!ht_cap->ht_supported)
1722 return 0;
1723
1724 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
1725 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
1726
1727 if (smps >= ARRAY_SIZE(ath11k_smps_map))
1728 return -EINVAL;
1729
1730 return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id,
1731 WMI_PEER_MIMO_PS_STATE,
1732 ath11k_smps_map[smps]);
1733 }
1734
ath11k_bss_assoc(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf)1735 static void ath11k_bss_assoc(struct ieee80211_hw *hw,
1736 struct ieee80211_vif *vif,
1737 struct ieee80211_bss_conf *bss_conf)
1738 {
1739 struct ath11k *ar = hw->priv;
1740 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1741 struct peer_assoc_params peer_arg;
1742 struct ieee80211_sta *ap_sta;
1743 int ret;
1744
1745 lockdep_assert_held(&ar->conf_mutex);
1746
1747 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
1748 arvif->vdev_id, arvif->bssid, arvif->aid);
1749
1750 rcu_read_lock();
1751
1752 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
1753 if (!ap_sta) {
1754 ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n",
1755 bss_conf->bssid, arvif->vdev_id);
1756 rcu_read_unlock();
1757 return;
1758 }
1759
1760 ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false);
1761
1762 rcu_read_unlock();
1763
1764 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
1765 if (ret) {
1766 ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n",
1767 bss_conf->bssid, arvif->vdev_id, ret);
1768 return;
1769 }
1770
1771 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
1772 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
1773 bss_conf->bssid, arvif->vdev_id);
1774 return;
1775 }
1776
1777 ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid,
1778 &ap_sta->ht_cap);
1779 if (ret) {
1780 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
1781 arvif->vdev_id, ret);
1782 return;
1783 }
1784
1785 WARN_ON(arvif->is_up);
1786
1787 arvif->aid = bss_conf->aid;
1788 ether_addr_copy(arvif->bssid, bss_conf->bssid);
1789
1790 ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
1791 if (ret) {
1792 ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n",
1793 arvif->vdev_id, ret);
1794 return;
1795 }
1796
1797 arvif->is_up = true;
1798
1799 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
1800 "mac vdev %d up (associated) bssid %pM aid %d\n",
1801 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
1802
1803 /* Authorize BSS Peer */
1804 ret = ath11k_wmi_set_peer_param(ar, arvif->bssid,
1805 arvif->vdev_id,
1806 WMI_PEER_AUTHORIZE,
1807 1);
1808 if (ret)
1809 ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret);
1810
1811 ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id,
1812 &bss_conf->he_obss_pd);
1813 if (ret)
1814 ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n",
1815 arvif->vdev_id, ret);
1816 }
1817
ath11k_bss_disassoc(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1818 static void ath11k_bss_disassoc(struct ieee80211_hw *hw,
1819 struct ieee80211_vif *vif)
1820 {
1821 struct ath11k *ar = hw->priv;
1822 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1823 int ret;
1824
1825 lockdep_assert_held(&ar->conf_mutex);
1826
1827 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
1828 arvif->vdev_id, arvif->bssid);
1829
1830 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);
1831 if (ret)
1832 ath11k_warn(ar->ab, "failed to down vdev %i: %d\n",
1833 arvif->vdev_id, ret);
1834
1835 arvif->is_up = false;
1836
1837 cancel_delayed_work_sync(&arvif->connection_loss_work);
1838 }
1839
ath11k_mac_get_rate_hw_value(int bitrate)1840 static u32 ath11k_mac_get_rate_hw_value(int bitrate)
1841 {
1842 u32 preamble;
1843 u16 hw_value;
1844 int rate;
1845 size_t i;
1846
1847 if (ath11k_mac_bitrate_is_cck(bitrate))
1848 preamble = WMI_RATE_PREAMBLE_CCK;
1849 else
1850 preamble = WMI_RATE_PREAMBLE_OFDM;
1851
1852 for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) {
1853 if (ath11k_legacy_rates[i].bitrate != bitrate)
1854 continue;
1855
1856 hw_value = ath11k_legacy_rates[i].hw_value;
1857 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);
1858
1859 return rate;
1860 }
1861
1862 return -EINVAL;
1863 }
1864
ath11k_recalculate_mgmt_rate(struct ath11k * ar,struct ieee80211_vif * vif,struct cfg80211_chan_def * def)1865 static void ath11k_recalculate_mgmt_rate(struct ath11k *ar,
1866 struct ieee80211_vif *vif,
1867 struct cfg80211_chan_def *def)
1868 {
1869 struct ath11k_vif *arvif = (void *)vif->drv_priv;
1870 const struct ieee80211_supported_band *sband;
1871 u8 basic_rate_idx;
1872 int hw_rate_code;
1873 u32 vdev_param;
1874 u16 bitrate;
1875 int ret;
1876
1877 lockdep_assert_held(&ar->conf_mutex);
1878
1879 sband = ar->hw->wiphy->bands[def->chan->band];
1880 basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
1881 bitrate = sband->bitrates[basic_rate_idx].bitrate;
1882
1883 hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate);
1884 if (hw_rate_code < 0) {
1885 ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate);
1886 return;
1887 }
1888
1889 vdev_param = WMI_VDEV_PARAM_MGMT_RATE;
1890 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
1891 hw_rate_code);
1892 if (ret)
1893 ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret);
1894
1895 vdev_param = WMI_VDEV_PARAM_BEACON_RATE;
1896 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param,
1897 hw_rate_code);
1898 if (ret)
1899 ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret);
1900 }
1901
ath11k_mac_fils_discovery(struct ath11k_vif * arvif,struct ieee80211_bss_conf * info)1902 static int ath11k_mac_fils_discovery(struct ath11k_vif *arvif,
1903 struct ieee80211_bss_conf *info)
1904 {
1905 struct ath11k *ar = arvif->ar;
1906 struct sk_buff *tmpl;
1907 int ret;
1908 u32 interval;
1909 bool unsol_bcast_probe_resp_enabled = false;
1910
1911 if (info->fils_discovery.max_interval) {
1912 interval = info->fils_discovery.max_interval;
1913
1914 tmpl = ieee80211_get_fils_discovery_tmpl(ar->hw, arvif->vif);
1915 if (tmpl)
1916 ret = ath11k_wmi_fils_discovery_tmpl(ar, arvif->vdev_id,
1917 tmpl);
1918 } else if (info->unsol_bcast_probe_resp_interval) {
1919 unsol_bcast_probe_resp_enabled = 1;
1920 interval = info->unsol_bcast_probe_resp_interval;
1921
1922 tmpl = ieee80211_get_unsol_bcast_probe_resp_tmpl(ar->hw,
1923 arvif->vif);
1924 if (tmpl)
1925 ret = ath11k_wmi_probe_resp_tmpl(ar, arvif->vdev_id,
1926 tmpl);
1927 } else { /* Disable */
1928 return ath11k_wmi_fils_discovery(ar, arvif->vdev_id, 0, false);
1929 }
1930
1931 if (!tmpl) {
1932 ath11k_warn(ar->ab,
1933 "mac vdev %i failed to retrieve %s template\n",
1934 arvif->vdev_id, (unsol_bcast_probe_resp_enabled ?
1935 "unsolicited broadcast probe response" :
1936 "FILS discovery"));
1937 return -EPERM;
1938 }
1939 kfree_skb(tmpl);
1940
1941 if (!ret)
1942 ret = ath11k_wmi_fils_discovery(ar, arvif->vdev_id, interval,
1943 unsol_bcast_probe_resp_enabled);
1944
1945 return ret;
1946 }
1947
ath11k_mac_config_obss_pd(struct ath11k * ar,struct ieee80211_he_obss_pd * he_obss_pd)1948 static int ath11k_mac_config_obss_pd(struct ath11k *ar,
1949 struct ieee80211_he_obss_pd *he_obss_pd)
1950 {
1951 u32 bitmap[2], param_id, param_val, pdev_id;
1952 int ret;
1953 s8 non_srg_th = 0, srg_th = 0;
1954
1955 pdev_id = ar->pdev->pdev_id;
1956
1957 /* Set and enable SRG/non-SRG OBSS PD Threshold */
1958 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_THRESHOLD;
1959 if (test_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags)) {
1960 ret = ath11k_wmi_pdev_set_param(ar, param_id, 0, pdev_id);
1961 if (ret)
1962 ath11k_warn(ar->ab,
1963 "failed to set obss_pd_threshold for pdev: %u\n",
1964 pdev_id);
1965 return ret;
1966 }
1967
1968 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
1969 "mac obss pd sr_ctrl %x non_srg_thres %u srg_max %u\n",
1970 he_obss_pd->sr_ctrl, he_obss_pd->non_srg_max_offset,
1971 he_obss_pd->max_offset);
1972
1973 param_val = 0;
1974
1975 if (he_obss_pd->sr_ctrl &
1976 IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED) {
1977 non_srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD;
1978 } else {
1979 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
1980 non_srg_th = (ATH11K_OBSS_PD_MAX_THRESHOLD +
1981 he_obss_pd->non_srg_max_offset);
1982 else
1983 non_srg_th = ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD;
1984
1985 param_val |= ATH11K_OBSS_PD_NON_SRG_EN;
1986 }
1987
1988 if (he_obss_pd->sr_ctrl & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
1989 srg_th = ATH11K_OBSS_PD_MAX_THRESHOLD + he_obss_pd->max_offset;
1990 param_val |= ATH11K_OBSS_PD_SRG_EN;
1991 }
1992
1993 if (test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
1994 ar->ab->wmi_ab.svc_map)) {
1995 param_val |= ATH11K_OBSS_PD_THRESHOLD_IN_DBM;
1996 param_val |= FIELD_PREP(GENMASK(15, 8), srg_th);
1997 } else {
1998 non_srg_th -= ATH11K_DEFAULT_NOISE_FLOOR;
1999 /* SRG not supported and threshold in dB */
2000 param_val &= ~(ATH11K_OBSS_PD_SRG_EN |
2001 ATH11K_OBSS_PD_THRESHOLD_IN_DBM);
2002 }
2003
2004 param_val |= (non_srg_th & GENMASK(7, 0));
2005 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
2006 if (ret) {
2007 ath11k_warn(ar->ab,
2008 "failed to set obss_pd_threshold for pdev: %u\n",
2009 pdev_id);
2010 return ret;
2011 }
2012
2013 /* Enable OBSS PD for all access category */
2014 param_id = WMI_PDEV_PARAM_SET_CMD_OBSS_PD_PER_AC;
2015 param_val = 0xf;
2016 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
2017 if (ret) {
2018 ath11k_warn(ar->ab,
2019 "failed to set obss_pd_per_ac for pdev: %u\n",
2020 pdev_id);
2021 return ret;
2022 }
2023
2024 /* Set SR Prohibit */
2025 param_id = WMI_PDEV_PARAM_ENABLE_SR_PROHIBIT;
2026 param_val = !!(he_obss_pd->sr_ctrl &
2027 IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED);
2028 ret = ath11k_wmi_pdev_set_param(ar, param_id, param_val, pdev_id);
2029 if (ret) {
2030 ath11k_warn(ar->ab, "failed to set sr_prohibit for pdev: %u\n",
2031 pdev_id);
2032 return ret;
2033 }
2034
2035 if (!test_bit(WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT,
2036 ar->ab->wmi_ab.svc_map))
2037 return 0;
2038
2039 /* Set SRG BSS Color Bitmap */
2040 memcpy(bitmap, he_obss_pd->bss_color_bitmap, sizeof(bitmap));
2041 ret = ath11k_wmi_pdev_set_srg_bss_color_bitmap(ar, bitmap);
2042 if (ret) {
2043 ath11k_warn(ar->ab,
2044 "failed to set bss_color_bitmap for pdev: %u\n",
2045 pdev_id);
2046 return ret;
2047 }
2048
2049 /* Set SRG Partial BSSID Bitmap */
2050 memcpy(bitmap, he_obss_pd->partial_bssid_bitmap, sizeof(bitmap));
2051 ret = ath11k_wmi_pdev_set_srg_patial_bssid_bitmap(ar, bitmap);
2052 if (ret) {
2053 ath11k_warn(ar->ab,
2054 "failed to set partial_bssid_bitmap for pdev: %u\n",
2055 pdev_id);
2056 return ret;
2057 }
2058
2059 memset(bitmap, 0xff, sizeof(bitmap));
2060
2061 /* Enable all BSS Colors for SRG */
2062 ret = ath11k_wmi_pdev_srg_obss_color_enable_bitmap(ar, bitmap);
2063 if (ret) {
2064 ath11k_warn(ar->ab,
2065 "failed to set srg_color_en_bitmap pdev: %u\n",
2066 pdev_id);
2067 return ret;
2068 }
2069
2070 /* Enable all patial BSSID mask for SRG */
2071 ret = ath11k_wmi_pdev_srg_obss_bssid_enable_bitmap(ar, bitmap);
2072 if (ret) {
2073 ath11k_warn(ar->ab,
2074 "failed to set srg_bssid_en_bitmap pdev: %u\n",
2075 pdev_id);
2076 return ret;
2077 }
2078
2079 /* Enable all BSS Colors for non-SRG */
2080 ret = ath11k_wmi_pdev_non_srg_obss_color_enable_bitmap(ar, bitmap);
2081 if (ret) {
2082 ath11k_warn(ar->ab,
2083 "failed to set non_srg_color_en_bitmap pdev: %u\n",
2084 pdev_id);
2085 return ret;
2086 }
2087
2088 /* Enable all patial BSSID mask for non-SRG */
2089 ret = ath11k_wmi_pdev_non_srg_obss_bssid_enable_bitmap(ar, bitmap);
2090 if (ret) {
2091 ath11k_warn(ar->ab,
2092 "failed to set non_srg_bssid_en_bitmap pdev: %u\n",
2093 pdev_id);
2094 return ret;
2095 }
2096
2097 return 0;
2098 }
2099
ath11k_mac_op_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u32 changed)2100 static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
2101 struct ieee80211_vif *vif,
2102 struct ieee80211_bss_conf *info,
2103 u32 changed)
2104 {
2105 struct ath11k *ar = hw->priv;
2106 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2107 struct cfg80211_chan_def def;
2108 u32 param_id, param_value;
2109 enum nl80211_band band;
2110 u32 vdev_param;
2111 int mcast_rate;
2112 u32 preamble;
2113 u16 hw_value;
2114 u16 bitrate;
2115 int ret = 0;
2116 u8 rateidx;
2117 u32 rate;
2118
2119 mutex_lock(&ar->conf_mutex);
2120
2121 if (changed & BSS_CHANGED_BEACON_INT) {
2122 arvif->beacon_interval = info->beacon_int;
2123
2124 param_id = WMI_VDEV_PARAM_BEACON_INTERVAL;
2125 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2126 param_id,
2127 arvif->beacon_interval);
2128 if (ret)
2129 ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n",
2130 arvif->vdev_id);
2131 else
2132 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2133 "Beacon interval: %d set for VDEV: %d\n",
2134 arvif->beacon_interval, arvif->vdev_id);
2135 }
2136
2137 if (changed & BSS_CHANGED_BEACON) {
2138 param_id = WMI_PDEV_PARAM_BEACON_TX_MODE;
2139 param_value = WMI_BEACON_STAGGERED_MODE;
2140 ret = ath11k_wmi_pdev_set_param(ar, param_id,
2141 param_value, ar->pdev->pdev_id);
2142 if (ret)
2143 ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n",
2144 arvif->vdev_id);
2145 else
2146 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2147 "Set staggered beacon mode for VDEV: %d\n",
2148 arvif->vdev_id);
2149
2150 ret = ath11k_mac_setup_bcn_tmpl(arvif);
2151 if (ret)
2152 ath11k_warn(ar->ab, "failed to update bcn template: %d\n",
2153 ret);
2154 }
2155
2156 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
2157 arvif->dtim_period = info->dtim_period;
2158
2159 param_id = WMI_VDEV_PARAM_DTIM_PERIOD;
2160 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2161 param_id,
2162 arvif->dtim_period);
2163
2164 if (ret)
2165 ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n",
2166 arvif->vdev_id, ret);
2167 else
2168 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2169 "DTIM period: %d set for VDEV: %d\n",
2170 arvif->dtim_period, arvif->vdev_id);
2171 }
2172
2173 if (changed & BSS_CHANGED_SSID &&
2174 vif->type == NL80211_IFTYPE_AP) {
2175 arvif->u.ap.ssid_len = info->ssid_len;
2176 if (info->ssid_len)
2177 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
2178 arvif->u.ap.hidden_ssid = info->hidden_ssid;
2179 }
2180
2181 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
2182 ether_addr_copy(arvif->bssid, info->bssid);
2183
2184 if (changed & BSS_CHANGED_BEACON_ENABLED) {
2185 ath11k_control_beaconing(arvif, info);
2186
2187 if (arvif->is_up && vif->bss_conf.he_support &&
2188 vif->bss_conf.he_oper.params) {
2189 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2190 WMI_VDEV_PARAM_BA_MODE,
2191 WMI_BA_MODE_BUFFER_SIZE_256);
2192 if (ret)
2193 ath11k_warn(ar->ab,
2194 "failed to set BA BUFFER SIZE 256 for vdev: %d\n",
2195 arvif->vdev_id);
2196
2197 param_id = WMI_VDEV_PARAM_HEOPS_0_31;
2198 param_value = vif->bss_conf.he_oper.params;
2199 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2200 param_id, param_value);
2201 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2202 "he oper param: %x set for VDEV: %d\n",
2203 param_value, arvif->vdev_id);
2204
2205 if (ret)
2206 ath11k_warn(ar->ab, "Failed to set he oper params %x for VDEV %d: %i\n",
2207 param_value, arvif->vdev_id, ret);
2208 }
2209 }
2210
2211 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
2212 u32 cts_prot;
2213
2214 cts_prot = !!(info->use_cts_prot);
2215 param_id = WMI_VDEV_PARAM_PROTECTION_MODE;
2216
2217 if (arvif->is_started) {
2218 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2219 param_id, cts_prot);
2220 if (ret)
2221 ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n",
2222 arvif->vdev_id);
2223 else
2224 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n",
2225 cts_prot, arvif->vdev_id);
2226 } else {
2227 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n");
2228 }
2229 }
2230
2231 if (changed & BSS_CHANGED_ERP_SLOT) {
2232 u32 slottime;
2233
2234 if (info->use_short_slot)
2235 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
2236
2237 else
2238 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
2239
2240 param_id = WMI_VDEV_PARAM_SLOT_TIME;
2241 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2242 param_id, slottime);
2243 if (ret)
2244 ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n",
2245 arvif->vdev_id);
2246 else
2247 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2248 "Set slottime: %d for VDEV: %d\n",
2249 slottime, arvif->vdev_id);
2250 }
2251
2252 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
2253 u32 preamble;
2254
2255 if (info->use_short_preamble)
2256 preamble = WMI_VDEV_PREAMBLE_SHORT;
2257 else
2258 preamble = WMI_VDEV_PREAMBLE_LONG;
2259
2260 param_id = WMI_VDEV_PARAM_PREAMBLE;
2261 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2262 param_id, preamble);
2263 if (ret)
2264 ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n",
2265 arvif->vdev_id);
2266 else
2267 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2268 "Set preamble: %d for VDEV: %d\n",
2269 preamble, arvif->vdev_id);
2270 }
2271
2272 if (changed & BSS_CHANGED_ASSOC) {
2273 if (info->assoc)
2274 ath11k_bss_assoc(hw, vif, info);
2275 else
2276 ath11k_bss_disassoc(hw, vif);
2277 }
2278
2279 if (changed & BSS_CHANGED_TXPOWER) {
2280 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev_id %i txpower %d\n",
2281 arvif->vdev_id, info->txpower);
2282
2283 arvif->txpower = info->txpower;
2284 ath11k_mac_txpower_recalc(ar);
2285 }
2286
2287 if (changed & BSS_CHANGED_MCAST_RATE &&
2288 !ath11k_mac_vif_chan(arvif->vif, &def)) {
2289 band = def.chan->band;
2290 mcast_rate = vif->bss_conf.mcast_rate[band];
2291
2292 if (mcast_rate > 0)
2293 rateidx = mcast_rate - 1;
2294 else
2295 rateidx = ffs(vif->bss_conf.basic_rates) - 1;
2296
2297 if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP)
2298 rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;
2299
2300 bitrate = ath11k_legacy_rates[rateidx].bitrate;
2301 hw_value = ath11k_legacy_rates[rateidx].hw_value;
2302
2303 if (ath11k_mac_bitrate_is_cck(bitrate))
2304 preamble = WMI_RATE_PREAMBLE_CCK;
2305 else
2306 preamble = WMI_RATE_PREAMBLE_OFDM;
2307
2308 rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble);
2309
2310 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2311 "mac vdev %d mcast_rate %x\n",
2312 arvif->vdev_id, rate);
2313
2314 vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE;
2315 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2316 vdev_param, rate);
2317 if (ret)
2318 ath11k_warn(ar->ab,
2319 "failed to set mcast rate on vdev %i: %d\n",
2320 arvif->vdev_id, ret);
2321
2322 vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE;
2323 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
2324 vdev_param, rate);
2325 if (ret)
2326 ath11k_warn(ar->ab,
2327 "failed to set bcast rate on vdev %i: %d\n",
2328 arvif->vdev_id, ret);
2329 }
2330
2331 if (changed & BSS_CHANGED_BASIC_RATES &&
2332 !ath11k_mac_vif_chan(arvif->vif, &def))
2333 ath11k_recalculate_mgmt_rate(ar, vif, &def);
2334
2335 if (changed & BSS_CHANGED_TWT) {
2336 if (info->twt_requester || info->twt_responder)
2337 ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id);
2338 else
2339 ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);
2340 }
2341
2342 if (changed & BSS_CHANGED_HE_OBSS_PD)
2343 ath11k_mac_config_obss_pd(ar, &info->he_obss_pd);
2344
2345 if (changed & BSS_CHANGED_HE_BSS_COLOR) {
2346 if (vif->type == NL80211_IFTYPE_AP) {
2347 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(
2348 ar, arvif->vdev_id, info->he_bss_color.color,
2349 ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS,
2350 info->he_bss_color.enabled);
2351 if (ret)
2352 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
2353 arvif->vdev_id, ret);
2354 } else if (vif->type == NL80211_IFTYPE_STATION) {
2355 ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar,
2356 arvif->vdev_id,
2357 1);
2358 if (ret)
2359 ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n",
2360 arvif->vdev_id, ret);
2361 ret = ath11k_wmi_send_obss_color_collision_cfg_cmd(
2362 ar, arvif->vdev_id, 0,
2363 ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1);
2364 if (ret)
2365 ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n",
2366 arvif->vdev_id, ret);
2367 }
2368 }
2369
2370 if (changed & BSS_CHANGED_FILS_DISCOVERY ||
2371 changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP)
2372 ath11k_mac_fils_discovery(arvif, info);
2373
2374 mutex_unlock(&ar->conf_mutex);
2375 }
2376
__ath11k_mac_scan_finish(struct ath11k * ar)2377 void __ath11k_mac_scan_finish(struct ath11k *ar)
2378 {
2379 lockdep_assert_held(&ar->data_lock);
2380
2381 switch (ar->scan.state) {
2382 case ATH11K_SCAN_IDLE:
2383 break;
2384 case ATH11K_SCAN_RUNNING:
2385 case ATH11K_SCAN_ABORTING:
2386 if (!ar->scan.is_roc) {
2387 struct cfg80211_scan_info info = {
2388 .aborted = (ar->scan.state ==
2389 ATH11K_SCAN_ABORTING),
2390 };
2391
2392 ieee80211_scan_completed(ar->hw, &info);
2393 } else if (ar->scan.roc_notify) {
2394 ieee80211_remain_on_channel_expired(ar->hw);
2395 }
2396 fallthrough;
2397 case ATH11K_SCAN_STARTING:
2398 ar->scan.state = ATH11K_SCAN_IDLE;
2399 ar->scan_channel = NULL;
2400 ar->scan.roc_freq = 0;
2401 cancel_delayed_work(&ar->scan.timeout);
2402 complete(&ar->scan.completed);
2403 break;
2404 }
2405 }
2406
ath11k_mac_scan_finish(struct ath11k * ar)2407 void ath11k_mac_scan_finish(struct ath11k *ar)
2408 {
2409 spin_lock_bh(&ar->data_lock);
2410 __ath11k_mac_scan_finish(ar);
2411 spin_unlock_bh(&ar->data_lock);
2412 }
2413
ath11k_scan_stop(struct ath11k * ar)2414 static int ath11k_scan_stop(struct ath11k *ar)
2415 {
2416 struct scan_cancel_param arg = {
2417 .req_type = WLAN_SCAN_CANCEL_SINGLE,
2418 .scan_id = ATH11K_SCAN_ID,
2419 };
2420 int ret;
2421
2422 lockdep_assert_held(&ar->conf_mutex);
2423
2424 /* TODO: Fill other STOP Params */
2425 arg.pdev_id = ar->pdev->pdev_id;
2426
2427 ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg);
2428 if (ret) {
2429 ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret);
2430 goto out;
2431 }
2432
2433 ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ);
2434 if (ret == 0) {
2435 ath11k_warn(ar->ab,
2436 "failed to receive scan abort comple: timed out\n");
2437 ret = -ETIMEDOUT;
2438 } else if (ret > 0) {
2439 ret = 0;
2440 }
2441
2442 out:
2443 /* Scan state should be updated upon scan completion but in case
2444 * firmware fails to deliver the event (for whatever reason) it is
2445 * desired to clean up scan state anyway. Firmware may have just
2446 * dropped the scan completion event delivery due to transport pipe
2447 * being overflown with data and/or it can recover on its own before
2448 * next scan request is submitted.
2449 */
2450 spin_lock_bh(&ar->data_lock);
2451 if (ar->scan.state != ATH11K_SCAN_IDLE)
2452 __ath11k_mac_scan_finish(ar);
2453 spin_unlock_bh(&ar->data_lock);
2454
2455 return ret;
2456 }
2457
ath11k_scan_abort(struct ath11k * ar)2458 static void ath11k_scan_abort(struct ath11k *ar)
2459 {
2460 int ret;
2461
2462 lockdep_assert_held(&ar->conf_mutex);
2463
2464 spin_lock_bh(&ar->data_lock);
2465
2466 switch (ar->scan.state) {
2467 case ATH11K_SCAN_IDLE:
2468 /* This can happen if timeout worker kicked in and called
2469 * abortion while scan completion was being processed.
2470 */
2471 break;
2472 case ATH11K_SCAN_STARTING:
2473 case ATH11K_SCAN_ABORTING:
2474 ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n",
2475 ar->scan.state);
2476 break;
2477 case ATH11K_SCAN_RUNNING:
2478 ar->scan.state = ATH11K_SCAN_ABORTING;
2479 spin_unlock_bh(&ar->data_lock);
2480
2481 ret = ath11k_scan_stop(ar);
2482 if (ret)
2483 ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret);
2484
2485 spin_lock_bh(&ar->data_lock);
2486 break;
2487 }
2488
2489 spin_unlock_bh(&ar->data_lock);
2490 }
2491
ath11k_scan_timeout_work(struct work_struct * work)2492 static void ath11k_scan_timeout_work(struct work_struct *work)
2493 {
2494 struct ath11k *ar = container_of(work, struct ath11k,
2495 scan.timeout.work);
2496
2497 mutex_lock(&ar->conf_mutex);
2498 ath11k_scan_abort(ar);
2499 mutex_unlock(&ar->conf_mutex);
2500 }
2501
ath11k_start_scan(struct ath11k * ar,struct scan_req_params * arg)2502 static int ath11k_start_scan(struct ath11k *ar,
2503 struct scan_req_params *arg)
2504 {
2505 int ret;
2506
2507 lockdep_assert_held(&ar->conf_mutex);
2508
2509 if (ath11k_spectral_get_mode(ar) == ATH11K_SPECTRAL_BACKGROUND)
2510 ath11k_spectral_reset_buffer(ar);
2511
2512 ret = ath11k_wmi_send_scan_start_cmd(ar, arg);
2513 if (ret)
2514 return ret;
2515
2516 ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ);
2517 if (ret == 0) {
2518 ret = ath11k_scan_stop(ar);
2519 if (ret)
2520 ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret);
2521
2522 return -ETIMEDOUT;
2523 }
2524
2525 /* If we failed to start the scan, return error code at
2526 * this point. This is probably due to some issue in the
2527 * firmware, but no need to wedge the driver due to that...
2528 */
2529 spin_lock_bh(&ar->data_lock);
2530 if (ar->scan.state == ATH11K_SCAN_IDLE) {
2531 spin_unlock_bh(&ar->data_lock);
2532 return -EINVAL;
2533 }
2534 spin_unlock_bh(&ar->data_lock);
2535
2536 return 0;
2537 }
2538
ath11k_mac_op_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * hw_req)2539 static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
2540 struct ieee80211_vif *vif,
2541 struct ieee80211_scan_request *hw_req)
2542 {
2543 struct ath11k *ar = hw->priv;
2544 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2545 struct cfg80211_scan_request *req = &hw_req->req;
2546 struct scan_req_params arg;
2547 int ret = 0;
2548 int i;
2549
2550 mutex_lock(&ar->conf_mutex);
2551
2552 spin_lock_bh(&ar->data_lock);
2553 switch (ar->scan.state) {
2554 case ATH11K_SCAN_IDLE:
2555 reinit_completion(&ar->scan.started);
2556 reinit_completion(&ar->scan.completed);
2557 ar->scan.state = ATH11K_SCAN_STARTING;
2558 ar->scan.is_roc = false;
2559 ar->scan.vdev_id = arvif->vdev_id;
2560 ret = 0;
2561 break;
2562 case ATH11K_SCAN_STARTING:
2563 case ATH11K_SCAN_RUNNING:
2564 case ATH11K_SCAN_ABORTING:
2565 ret = -EBUSY;
2566 break;
2567 }
2568 spin_unlock_bh(&ar->data_lock);
2569
2570 if (ret)
2571 goto exit;
2572
2573 memset(&arg, 0, sizeof(arg));
2574 ath11k_wmi_start_scan_init(ar, &arg);
2575 arg.vdev_id = arvif->vdev_id;
2576 arg.scan_id = ATH11K_SCAN_ID;
2577
2578 if (req->ie_len) {
2579 arg.extraie.len = req->ie_len;
2580 arg.extraie.ptr = kzalloc(req->ie_len, GFP_KERNEL);
2581 memcpy(arg.extraie.ptr, req->ie, req->ie_len);
2582 }
2583
2584 if (req->n_ssids) {
2585 arg.num_ssids = req->n_ssids;
2586 for (i = 0; i < arg.num_ssids; i++) {
2587 arg.ssid[i].length = req->ssids[i].ssid_len;
2588 memcpy(&arg.ssid[i].ssid, req->ssids[i].ssid,
2589 req->ssids[i].ssid_len);
2590 }
2591 } else {
2592 arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE;
2593 }
2594
2595 if (req->n_channels) {
2596 arg.num_chan = req->n_channels;
2597 for (i = 0; i < arg.num_chan; i++)
2598 arg.chan_list[i] = req->channels[i]->center_freq;
2599 }
2600
2601 ret = ath11k_start_scan(ar, &arg);
2602 if (ret) {
2603 ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret);
2604 spin_lock_bh(&ar->data_lock);
2605 ar->scan.state = ATH11K_SCAN_IDLE;
2606 spin_unlock_bh(&ar->data_lock);
2607 }
2608
2609 /* Add a 200ms margin to account for event/command processing */
2610 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
2611 msecs_to_jiffies(arg.max_scan_time +
2612 ATH11K_MAC_SCAN_TIMEOUT_MSECS));
2613
2614 exit:
2615 if (req->ie_len)
2616 kfree(arg.extraie.ptr);
2617
2618 mutex_unlock(&ar->conf_mutex);
2619 return ret;
2620 }
2621
ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)2622 static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw,
2623 struct ieee80211_vif *vif)
2624 {
2625 struct ath11k *ar = hw->priv;
2626
2627 mutex_lock(&ar->conf_mutex);
2628 ath11k_scan_abort(ar);
2629 mutex_unlock(&ar->conf_mutex);
2630
2631 cancel_delayed_work_sync(&ar->scan.timeout);
2632 }
2633
ath11k_install_key(struct ath11k_vif * arvif,struct ieee80211_key_conf * key,enum set_key_cmd cmd,const u8 * macaddr,u32 flags)2634 static int ath11k_install_key(struct ath11k_vif *arvif,
2635 struct ieee80211_key_conf *key,
2636 enum set_key_cmd cmd,
2637 const u8 *macaddr, u32 flags)
2638 {
2639 int ret;
2640 struct ath11k *ar = arvif->ar;
2641 struct wmi_vdev_install_key_arg arg = {
2642 .vdev_id = arvif->vdev_id,
2643 .key_idx = key->keyidx,
2644 .key_len = key->keylen,
2645 .key_data = key->key,
2646 .key_flags = flags,
2647 .macaddr = macaddr,
2648 };
2649
2650 lockdep_assert_held(&arvif->ar->conf_mutex);
2651
2652 reinit_completion(&ar->install_key_done);
2653
2654 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
2655 return 0;
2656
2657 if (cmd == DISABLE_KEY) {
2658 /* TODO: Check if FW expects value other than NONE for del */
2659 /* arg.key_cipher = WMI_CIPHER_NONE; */
2660 arg.key_len = 0;
2661 arg.key_data = NULL;
2662 goto install;
2663 }
2664
2665 switch (key->cipher) {
2666 case WLAN_CIPHER_SUITE_CCMP:
2667 arg.key_cipher = WMI_CIPHER_AES_CCM;
2668 /* TODO: Re-check if flag is valid */
2669 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
2670 break;
2671 case WLAN_CIPHER_SUITE_TKIP:
2672 arg.key_cipher = WMI_CIPHER_TKIP;
2673 arg.key_txmic_len = 8;
2674 arg.key_rxmic_len = 8;
2675 break;
2676 case WLAN_CIPHER_SUITE_CCMP_256:
2677 arg.key_cipher = WMI_CIPHER_AES_CCM;
2678 break;
2679 case WLAN_CIPHER_SUITE_GCMP:
2680 case WLAN_CIPHER_SUITE_GCMP_256:
2681 arg.key_cipher = WMI_CIPHER_AES_GCM;
2682 break;
2683 default:
2684 ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher);
2685 return -EOPNOTSUPP;
2686 }
2687
2688 if (test_bit(ATH11K_FLAG_RAW_MODE, &ar->ab->dev_flags))
2689 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV |
2690 IEEE80211_KEY_FLAG_RESERVE_TAILROOM;
2691
2692 install:
2693 ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg);
2694
2695 if (ret)
2696 return ret;
2697
2698 if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ))
2699 return -ETIMEDOUT;
2700
2701 return ar->install_key_status ? -EINVAL : 0;
2702 }
2703
ath11k_clear_peer_keys(struct ath11k_vif * arvif,const u8 * addr)2704 static int ath11k_clear_peer_keys(struct ath11k_vif *arvif,
2705 const u8 *addr)
2706 {
2707 struct ath11k *ar = arvif->ar;
2708 struct ath11k_base *ab = ar->ab;
2709 struct ath11k_peer *peer;
2710 int first_errno = 0;
2711 int ret;
2712 int i;
2713 u32 flags = 0;
2714
2715 lockdep_assert_held(&ar->conf_mutex);
2716
2717 spin_lock_bh(&ab->base_lock);
2718 peer = ath11k_peer_find(ab, arvif->vdev_id, addr);
2719 spin_unlock_bh(&ab->base_lock);
2720
2721 if (!peer)
2722 return -ENOENT;
2723
2724 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
2725 if (!peer->keys[i])
2726 continue;
2727
2728 /* key flags are not required to delete the key */
2729 ret = ath11k_install_key(arvif, peer->keys[i],
2730 DISABLE_KEY, addr, flags);
2731 if (ret < 0 && first_errno == 0)
2732 first_errno = ret;
2733
2734 if (ret < 0)
2735 ath11k_warn(ab, "failed to remove peer key %d: %d\n",
2736 i, ret);
2737
2738 spin_lock_bh(&ab->base_lock);
2739 peer->keys[i] = NULL;
2740 spin_unlock_bh(&ab->base_lock);
2741 }
2742
2743 return first_errno;
2744 }
2745
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)2746 static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
2747 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
2748 struct ieee80211_key_conf *key)
2749 {
2750 struct ath11k *ar = hw->priv;
2751 struct ath11k_base *ab = ar->ab;
2752 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2753 struct ath11k_peer *peer;
2754 struct ath11k_sta *arsta;
2755 const u8 *peer_addr;
2756 int ret = 0;
2757 u32 flags = 0;
2758
2759 /* BIP needs to be done in software */
2760 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
2761 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
2762 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||
2763 key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)
2764 return 1;
2765
2766 if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
2767 return 1;
2768
2769 if (key->keyidx > WMI_MAX_KEY_INDEX)
2770 return -ENOSPC;
2771
2772 mutex_lock(&ar->conf_mutex);
2773
2774 if (sta)
2775 peer_addr = sta->addr;
2776 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
2777 peer_addr = vif->bss_conf.bssid;
2778 else
2779 peer_addr = vif->addr;
2780
2781 key->hw_key_idx = key->keyidx;
2782
2783 /* the peer should not disappear in mid-way (unless FW goes awry) since
2784 * we already hold conf_mutex. we just make sure its there now.
2785 */
2786 spin_lock_bh(&ab->base_lock);
2787 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);
2788
2789 /* flush the fragments cache during key (re)install to
2790 * ensure all frags in the new frag list belong to the same key.
2791 */
2792 if (peer && cmd == SET_KEY)
2793 ath11k_peer_frags_flush(ar, peer);
2794 spin_unlock_bh(&ab->base_lock);
2795
2796 if (!peer) {
2797 if (cmd == SET_KEY) {
2798 ath11k_warn(ab, "cannot install key for non-existent peer %pM\n",
2799 peer_addr);
2800 ret = -EOPNOTSUPP;
2801 goto exit;
2802 } else {
2803 /* if the peer doesn't exist there is no key to disable
2804 * anymore
2805 */
2806 goto exit;
2807 }
2808 }
2809
2810 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
2811 flags |= WMI_KEY_PAIRWISE;
2812 else
2813 flags |= WMI_KEY_GROUP;
2814
2815 ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags);
2816 if (ret) {
2817 ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret);
2818 goto exit;
2819 }
2820
2821 ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key);
2822 if (ret) {
2823 ath11k_warn(ab, "failed to offload PN replay detection %d\n", ret);
2824 goto exit;
2825 }
2826
2827 spin_lock_bh(&ab->base_lock);
2828 peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr);
2829 if (peer && cmd == SET_KEY) {
2830 peer->keys[key->keyidx] = key;
2831 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
2832 peer->ucast_keyidx = key->keyidx;
2833 peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher);
2834 } else {
2835 peer->mcast_keyidx = key->keyidx;
2836 peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher);
2837 }
2838 } else if (peer && cmd == DISABLE_KEY) {
2839 peer->keys[key->keyidx] = NULL;
2840 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
2841 peer->ucast_keyidx = 0;
2842 else
2843 peer->mcast_keyidx = 0;
2844 } else if (!peer)
2845 /* impossible unless FW goes crazy */
2846 ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr);
2847
2848 if (sta) {
2849 arsta = (struct ath11k_sta *)sta->drv_priv;
2850
2851 switch (key->cipher) {
2852 case WLAN_CIPHER_SUITE_TKIP:
2853 case WLAN_CIPHER_SUITE_CCMP:
2854 case WLAN_CIPHER_SUITE_CCMP_256:
2855 case WLAN_CIPHER_SUITE_GCMP:
2856 case WLAN_CIPHER_SUITE_GCMP_256:
2857 if (cmd == SET_KEY)
2858 arsta->pn_type = HAL_PN_TYPE_WPA;
2859 else
2860 arsta->pn_type = HAL_PN_TYPE_NONE;
2861 break;
2862 default:
2863 arsta->pn_type = HAL_PN_TYPE_NONE;
2864 break;
2865 }
2866 }
2867
2868 spin_unlock_bh(&ab->base_lock);
2869
2870 exit:
2871 mutex_unlock(&ar->conf_mutex);
2872 return ret;
2873 }
2874
2875 static int
ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)2876 ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar,
2877 enum nl80211_band band,
2878 const struct cfg80211_bitrate_mask *mask)
2879 {
2880 int num_rates = 0;
2881 int i;
2882
2883 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
2884 num_rates += hweight16(mask->control[band].vht_mcs[i]);
2885
2886 return num_rates;
2887 }
2888
2889 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)2890 ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif,
2891 struct ieee80211_sta *sta,
2892 const struct cfg80211_bitrate_mask *mask,
2893 enum nl80211_band band)
2894 {
2895 struct ath11k *ar = arvif->ar;
2896 u8 vht_rate, nss;
2897 u32 rate_code;
2898 int ret, i;
2899
2900 lockdep_assert_held(&ar->conf_mutex);
2901
2902 nss = 0;
2903
2904 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
2905 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
2906 nss = i + 1;
2907 vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;
2908 }
2909 }
2910
2911 if (!nss) {
2912 ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM",
2913 sta->addr);
2914 return -EINVAL;
2915 }
2916
2917 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
2918 "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates",
2919 sta->addr);
2920
2921 rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1,
2922 WMI_RATE_PREAMBLE_VHT);
2923 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
2924 arvif->vdev_id,
2925 WMI_PEER_PARAM_FIXED_RATE,
2926 rate_code);
2927 if (ret)
2928 ath11k_warn(ar->ab,
2929 "failed to update STA %pM Fixed Rate %d: %d\n",
2930 sta->addr, rate_code, ret);
2931
2932 return ret;
2933 }
2934
ath11k_station_assoc(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool reassoc)2935 static int ath11k_station_assoc(struct ath11k *ar,
2936 struct ieee80211_vif *vif,
2937 struct ieee80211_sta *sta,
2938 bool reassoc)
2939 {
2940 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
2941 struct peer_assoc_params peer_arg;
2942 int ret = 0;
2943 struct cfg80211_chan_def def;
2944 enum nl80211_band band;
2945 struct cfg80211_bitrate_mask *mask;
2946 u8 num_vht_rates;
2947
2948 lockdep_assert_held(&ar->conf_mutex);
2949
2950 if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
2951 return -EPERM;
2952
2953 band = def.chan->band;
2954 mask = &arvif->bitrate_mask;
2955
2956 ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc);
2957
2958 ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
2959 if (ret) {
2960 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2961 sta->addr, arvif->vdev_id, ret);
2962 return ret;
2963 }
2964
2965 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) {
2966 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
2967 sta->addr, arvif->vdev_id);
2968 return -ETIMEDOUT;
2969 }
2970
2971 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask);
2972
2973 /* If single VHT rate is configured (by set_bitrate_mask()),
2974 * peer_assoc will disable VHT. This is now enabled by a peer specific
2975 * fixed param.
2976 * Note that all other rates and NSS will be disabled for this peer.
2977 */
2978 if (sta->vht_cap.vht_supported && num_vht_rates == 1) {
2979 ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
2980 band);
2981 if (ret)
2982 return ret;
2983 }
2984
2985 /* Re-assoc is run only to update supported rates for given station. It
2986 * doesn't make much sense to reconfigure the peer completely.
2987 */
2988 if (reassoc)
2989 return 0;
2990
2991 ret = ath11k_setup_peer_smps(ar, arvif, sta->addr,
2992 &sta->ht_cap);
2993 if (ret) {
2994 ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n",
2995 arvif->vdev_id, ret);
2996 return ret;
2997 }
2998
2999 if (!sta->wme) {
3000 arvif->num_legacy_stations++;
3001 ret = ath11k_recalc_rtscts_prot(arvif);
3002 if (ret)
3003 return ret;
3004 }
3005
3006 if (sta->wme && sta->uapsd_queues) {
3007 ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta);
3008 if (ret) {
3009 ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n",
3010 sta->addr, arvif->vdev_id, ret);
3011 return ret;
3012 }
3013 }
3014
3015 return 0;
3016 }
3017
ath11k_station_disassoc(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta)3018 static int ath11k_station_disassoc(struct ath11k *ar,
3019 struct ieee80211_vif *vif,
3020 struct ieee80211_sta *sta)
3021 {
3022 struct ath11k_vif *arvif = (void *)vif->drv_priv;
3023 int ret = 0;
3024
3025 lockdep_assert_held(&ar->conf_mutex);
3026
3027 if (!sta->wme) {
3028 arvif->num_legacy_stations--;
3029 ret = ath11k_recalc_rtscts_prot(arvif);
3030 if (ret)
3031 return ret;
3032 }
3033
3034 ret = ath11k_clear_peer_keys(arvif, sta->addr);
3035 if (ret) {
3036 ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n",
3037 arvif->vdev_id, ret);
3038 return ret;
3039 }
3040 return 0;
3041 }
3042
ath11k_sta_rc_update_wk(struct work_struct * wk)3043 static void ath11k_sta_rc_update_wk(struct work_struct *wk)
3044 {
3045 struct ath11k *ar;
3046 struct ath11k_vif *arvif;
3047 struct ath11k_sta *arsta;
3048 struct ieee80211_sta *sta;
3049 struct cfg80211_chan_def def;
3050 enum nl80211_band band;
3051 const u8 *ht_mcs_mask;
3052 const u16 *vht_mcs_mask;
3053 u32 changed, bw, nss, smps;
3054 int err, num_vht_rates;
3055 const struct cfg80211_bitrate_mask *mask;
3056 struct peer_assoc_params peer_arg;
3057
3058 arsta = container_of(wk, struct ath11k_sta, update_wk);
3059 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
3060 arvif = arsta->arvif;
3061 ar = arvif->ar;
3062
3063 if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def)))
3064 return;
3065
3066 band = def.chan->band;
3067 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
3068 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
3069
3070 spin_lock_bh(&ar->data_lock);
3071
3072 changed = arsta->changed;
3073 arsta->changed = 0;
3074
3075 bw = arsta->bw;
3076 nss = arsta->nss;
3077 smps = arsta->smps;
3078
3079 spin_unlock_bh(&ar->data_lock);
3080
3081 mutex_lock(&ar->conf_mutex);
3082
3083 nss = max_t(u32, 1, nss);
3084 nss = min(nss, max(ath11k_mac_max_ht_nss(ht_mcs_mask),
3085 ath11k_mac_max_vht_nss(vht_mcs_mask)));
3086
3087 if (changed & IEEE80211_RC_BW_CHANGED) {
3088 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
3089 WMI_PEER_CHWIDTH, bw);
3090 if (err)
3091 ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n",
3092 sta->addr, bw, err);
3093 }
3094
3095 if (changed & IEEE80211_RC_NSS_CHANGED) {
3096 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM nss %d\n",
3097 sta->addr, nss);
3098
3099 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
3100 WMI_PEER_NSS, nss);
3101 if (err)
3102 ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n",
3103 sta->addr, nss, err);
3104 }
3105
3106 if (changed & IEEE80211_RC_SMPS_CHANGED) {
3107 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM smps %d\n",
3108 sta->addr, smps);
3109
3110 err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
3111 WMI_PEER_MIMO_PS_STATE, smps);
3112 if (err)
3113 ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n",
3114 sta->addr, smps, err);
3115 }
3116
3117 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
3118 mask = &arvif->bitrate_mask;
3119 num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,
3120 mask);
3121
3122 /* Peer_assoc_prepare will reject vht rates in
3123 * bitrate_mask if its not available in range format and
3124 * sets vht tx_rateset as unsupported. So multiple VHT MCS
3125 * setting(eg. MCS 4,5,6) per peer is not supported here.
3126 * But, Single rate in VHT mask can be set as per-peer
3127 * fixed rate. But even if any HT rates are configured in
3128 * the bitrate mask, device will not switch to those rates
3129 * when per-peer Fixed rate is set.
3130 * TODO: Check RATEMASK_CMDID to support auto rates selection
3131 * across HT/VHT and for multiple VHT MCS support.
3132 */
3133 if (sta->vht_cap.vht_supported && num_vht_rates == 1) {
3134 ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask,
3135 band);
3136 } else {
3137 /* If the peer is non-VHT or no fixed VHT rate
3138 * is provided in the new bitrate mask we set the
3139 * other rates using peer_assoc command.
3140 */
3141 ath11k_peer_assoc_prepare(ar, arvif->vif, sta,
3142 &peer_arg, true);
3143
3144 err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg);
3145 if (err)
3146 ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n",
3147 sta->addr, arvif->vdev_id, err);
3148
3149 if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ))
3150 ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n",
3151 sta->addr, arvif->vdev_id);
3152 }
3153 }
3154
3155 mutex_unlock(&ar->conf_mutex);
3156 }
3157
ath11k_mac_inc_num_stations(struct ath11k_vif * arvif,struct ieee80211_sta * sta)3158 static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif,
3159 struct ieee80211_sta *sta)
3160 {
3161 struct ath11k *ar = arvif->ar;
3162
3163 lockdep_assert_held(&ar->conf_mutex);
3164
3165 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
3166 return 0;
3167
3168 if (ar->num_stations >= ar->max_num_stations)
3169 return -ENOBUFS;
3170
3171 ar->num_stations++;
3172
3173 return 0;
3174 }
3175
ath11k_mac_dec_num_stations(struct ath11k_vif * arvif,struct ieee80211_sta * sta)3176 static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif,
3177 struct ieee80211_sta *sta)
3178 {
3179 struct ath11k *ar = arvif->ar;
3180
3181 lockdep_assert_held(&ar->conf_mutex);
3182
3183 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
3184 return;
3185
3186 ar->num_stations--;
3187 }
3188
ath11k_mac_station_add(struct ath11k * ar,struct ieee80211_vif * vif,struct ieee80211_sta * sta)3189 static int ath11k_mac_station_add(struct ath11k *ar,
3190 struct ieee80211_vif *vif,
3191 struct ieee80211_sta *sta)
3192 {
3193 struct ath11k_base *ab = ar->ab;
3194 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3195 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
3196 struct peer_create_params peer_param;
3197 int ret;
3198
3199 lockdep_assert_held(&ar->conf_mutex);
3200
3201 ret = ath11k_mac_inc_num_stations(arvif, sta);
3202 if (ret) {
3203 ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n",
3204 ar->max_num_stations);
3205 goto exit;
3206 }
3207
3208 arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL);
3209 if (!arsta->rx_stats) {
3210 ret = -ENOMEM;
3211 goto dec_num_station;
3212 }
3213
3214 peer_param.vdev_id = arvif->vdev_id;
3215 peer_param.peer_addr = sta->addr;
3216 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
3217
3218 ret = ath11k_peer_create(ar, arvif, sta, &peer_param);
3219 if (ret) {
3220 ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n",
3221 sta->addr, arvif->vdev_id);
3222 goto free_rx_stats;
3223 }
3224
3225 ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n",
3226 sta->addr, arvif->vdev_id);
3227
3228 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) {
3229 arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL);
3230 if (!arsta->tx_stats) {
3231 ret = -ENOMEM;
3232 goto free_peer;
3233 }
3234 }
3235
3236 if (ieee80211_vif_is_mesh(vif)) {
3237 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
3238 arvif->vdev_id,
3239 WMI_PEER_USE_4ADDR, 1);
3240 if (ret) {
3241 ath11k_warn(ab, "failed to STA %pM 4addr capability: %d\n",
3242 sta->addr, ret);
3243 goto free_tx_stats;
3244 }
3245 }
3246
3247 ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr);
3248 if (ret) {
3249 ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n",
3250 sta->addr, arvif->vdev_id, ret);
3251 goto free_tx_stats;
3252 }
3253
3254 if (ab->hw_params.vdev_start_delay &&
3255 !arvif->is_started &&
3256 arvif->vdev_type != WMI_VDEV_TYPE_AP) {
3257 ret = ath11k_start_vdev_delay(ar->hw, vif);
3258 if (ret) {
3259 ath11k_warn(ab, "failed to delay vdev start: %d\n", ret);
3260 goto free_tx_stats;
3261 }
3262 }
3263
3264 return 0;
3265
3266 free_tx_stats:
3267 kfree(arsta->tx_stats);
3268 arsta->tx_stats = NULL;
3269 free_peer:
3270 ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);
3271 free_rx_stats:
3272 kfree(arsta->rx_stats);
3273 arsta->rx_stats = NULL;
3274 dec_num_station:
3275 ath11k_mac_dec_num_stations(arvif, sta);
3276 exit:
3277 return ret;
3278 }
3279
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)3280 static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw,
3281 struct ieee80211_vif *vif,
3282 struct ieee80211_sta *sta,
3283 enum ieee80211_sta_state old_state,
3284 enum ieee80211_sta_state new_state)
3285 {
3286 struct ath11k *ar = hw->priv;
3287 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3288 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
3289 struct ath11k_peer *peer;
3290 int ret = 0;
3291
3292 /* cancel must be done outside the mutex to avoid deadlock */
3293 if ((old_state == IEEE80211_STA_NONE &&
3294 new_state == IEEE80211_STA_NOTEXIST))
3295 cancel_work_sync(&arsta->update_wk);
3296
3297 mutex_lock(&ar->conf_mutex);
3298
3299 if (old_state == IEEE80211_STA_NOTEXIST &&
3300 new_state == IEEE80211_STA_NONE) {
3301 memset(arsta, 0, sizeof(*arsta));
3302 arsta->arvif = arvif;
3303 INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk);
3304
3305 ret = ath11k_mac_station_add(ar, vif, sta);
3306 if (ret)
3307 ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n",
3308 sta->addr, arvif->vdev_id);
3309 } else if ((old_state == IEEE80211_STA_NONE &&
3310 new_state == IEEE80211_STA_NOTEXIST)) {
3311 ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr);
3312
3313 ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr);
3314 if (ret)
3315 ath11k_warn(ar->ab, "Failed to delete peer: %pM for VDEV: %d\n",
3316 sta->addr, arvif->vdev_id);
3317 else
3318 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Removed peer: %pM for VDEV: %d\n",
3319 sta->addr, arvif->vdev_id);
3320
3321 ath11k_mac_dec_num_stations(arvif, sta);
3322 spin_lock_bh(&ar->ab->base_lock);
3323 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
3324 if (peer && peer->sta == sta) {
3325 ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n",
3326 vif->addr, arvif->vdev_id);
3327 peer->sta = NULL;
3328 list_del(&peer->list);
3329 kfree(peer);
3330 ar->num_peers--;
3331 }
3332 spin_unlock_bh(&ar->ab->base_lock);
3333
3334 kfree(arsta->tx_stats);
3335 arsta->tx_stats = NULL;
3336
3337 kfree(arsta->rx_stats);
3338 arsta->rx_stats = NULL;
3339 } else if (old_state == IEEE80211_STA_AUTH &&
3340 new_state == IEEE80211_STA_ASSOC &&
3341 (vif->type == NL80211_IFTYPE_AP ||
3342 vif->type == NL80211_IFTYPE_MESH_POINT ||
3343 vif->type == NL80211_IFTYPE_ADHOC)) {
3344 ret = ath11k_station_assoc(ar, vif, sta, false);
3345 if (ret)
3346 ath11k_warn(ar->ab, "Failed to associate station: %pM\n",
3347 sta->addr);
3348 } else if (old_state == IEEE80211_STA_ASSOC &&
3349 new_state == IEEE80211_STA_AUTH &&
3350 (vif->type == NL80211_IFTYPE_AP ||
3351 vif->type == NL80211_IFTYPE_MESH_POINT ||
3352 vif->type == NL80211_IFTYPE_ADHOC)) {
3353 ret = ath11k_station_disassoc(ar, vif, sta);
3354 if (ret)
3355 ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n",
3356 sta->addr);
3357 }
3358
3359 mutex_unlock(&ar->conf_mutex);
3360 return ret;
3361 }
3362
ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)3363 static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw,
3364 struct ieee80211_vif *vif,
3365 struct ieee80211_sta *sta)
3366 {
3367 struct ath11k *ar = hw->priv;
3368 struct ath11k_vif *arvif = (void *)vif->drv_priv;
3369 int ret = 0;
3370 s16 txpwr;
3371
3372 if (sta->txpwr.type == NL80211_TX_POWER_AUTOMATIC) {
3373 txpwr = 0;
3374 } else {
3375 txpwr = sta->txpwr.power;
3376 if (!txpwr)
3377 return -EINVAL;
3378 }
3379
3380 if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL)
3381 return -EINVAL;
3382
3383 mutex_lock(&ar->conf_mutex);
3384
3385 ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id,
3386 WMI_PEER_USE_FIXED_PWR, txpwr);
3387 if (ret) {
3388 ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n",
3389 ret);
3390 goto out;
3391 }
3392
3393 out:
3394 mutex_unlock(&ar->conf_mutex);
3395 return ret;
3396 }
3397
ath11k_mac_op_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)3398 static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw,
3399 struct ieee80211_vif *vif,
3400 struct ieee80211_sta *sta,
3401 u32 changed)
3402 {
3403 struct ath11k *ar = hw->priv;
3404 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
3405 struct ath11k_vif *arvif = (void *)vif->drv_priv;
3406 struct ath11k_peer *peer;
3407 u32 bw, smps;
3408
3409 spin_lock_bh(&ar->ab->base_lock);
3410
3411 peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr);
3412 if (!peer) {
3413 spin_unlock_bh(&ar->ab->base_lock);
3414 ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n",
3415 sta->addr, arvif->vdev_id);
3416 return;
3417 }
3418
3419 spin_unlock_bh(&ar->ab->base_lock);
3420
3421 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
3422 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
3423 sta->addr, changed, sta->bandwidth, sta->rx_nss,
3424 sta->smps_mode);
3425
3426 spin_lock_bh(&ar->data_lock);
3427
3428 if (changed & IEEE80211_RC_BW_CHANGED) {
3429 bw = WMI_PEER_CHWIDTH_20MHZ;
3430
3431 switch (sta->bandwidth) {
3432 case IEEE80211_STA_RX_BW_20:
3433 bw = WMI_PEER_CHWIDTH_20MHZ;
3434 break;
3435 case IEEE80211_STA_RX_BW_40:
3436 bw = WMI_PEER_CHWIDTH_40MHZ;
3437 break;
3438 case IEEE80211_STA_RX_BW_80:
3439 bw = WMI_PEER_CHWIDTH_80MHZ;
3440 break;
3441 case IEEE80211_STA_RX_BW_160:
3442 bw = WMI_PEER_CHWIDTH_160MHZ;
3443 break;
3444 default:
3445 ath11k_warn(ar->ab, "Invalid bandwidth %d in rc update for %pM\n",
3446 sta->bandwidth, sta->addr);
3447 bw = WMI_PEER_CHWIDTH_20MHZ;
3448 break;
3449 }
3450
3451 arsta->bw = bw;
3452 }
3453
3454 if (changed & IEEE80211_RC_NSS_CHANGED)
3455 arsta->nss = sta->rx_nss;
3456
3457 if (changed & IEEE80211_RC_SMPS_CHANGED) {
3458 smps = WMI_PEER_SMPS_PS_NONE;
3459
3460 switch (sta->smps_mode) {
3461 case IEEE80211_SMPS_AUTOMATIC:
3462 case IEEE80211_SMPS_OFF:
3463 smps = WMI_PEER_SMPS_PS_NONE;
3464 break;
3465 case IEEE80211_SMPS_STATIC:
3466 smps = WMI_PEER_SMPS_STATIC;
3467 break;
3468 case IEEE80211_SMPS_DYNAMIC:
3469 smps = WMI_PEER_SMPS_DYNAMIC;
3470 break;
3471 default:
3472 ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n",
3473 sta->smps_mode, sta->addr);
3474 smps = WMI_PEER_SMPS_PS_NONE;
3475 break;
3476 }
3477
3478 arsta->smps = smps;
3479 }
3480
3481 arsta->changed |= changed;
3482
3483 spin_unlock_bh(&ar->data_lock);
3484
3485 ieee80211_queue_work(hw, &arsta->update_wk);
3486 }
3487
ath11k_conf_tx_uapsd(struct ath11k * ar,struct ieee80211_vif * vif,u16 ac,bool enable)3488 static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif,
3489 u16 ac, bool enable)
3490 {
3491 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
3492 u32 value = 0;
3493 int ret = 0;
3494
3495 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
3496 return 0;
3497
3498 switch (ac) {
3499 case IEEE80211_AC_VO:
3500 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
3501 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
3502 break;
3503 case IEEE80211_AC_VI:
3504 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
3505 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
3506 break;
3507 case IEEE80211_AC_BE:
3508 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
3509 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
3510 break;
3511 case IEEE80211_AC_BK:
3512 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
3513 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
3514 break;
3515 }
3516
3517 if (enable)
3518 arvif->u.sta.uapsd |= value;
3519 else
3520 arvif->u.sta.uapsd &= ~value;
3521
3522 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
3523 WMI_STA_PS_PARAM_UAPSD,
3524 arvif->u.sta.uapsd);
3525 if (ret) {
3526 ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret);
3527 goto exit;
3528 }
3529
3530 if (arvif->u.sta.uapsd)
3531 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
3532 else
3533 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
3534
3535 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
3536 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
3537 value);
3538 if (ret)
3539 ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret);
3540
3541 exit:
3542 return ret;
3543 }
3544
ath11k_mac_op_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 ac,const struct ieee80211_tx_queue_params * params)3545 static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw,
3546 struct ieee80211_vif *vif, u16 ac,
3547 const struct ieee80211_tx_queue_params *params)
3548 {
3549 struct ath11k *ar = hw->priv;
3550 struct ath11k_vif *arvif = (void *)vif->drv_priv;
3551 struct wmi_wmm_params_arg *p = NULL;
3552 int ret;
3553
3554 mutex_lock(&ar->conf_mutex);
3555
3556 switch (ac) {
3557 case IEEE80211_AC_VO:
3558 p = &arvif->wmm_params.ac_vo;
3559 break;
3560 case IEEE80211_AC_VI:
3561 p = &arvif->wmm_params.ac_vi;
3562 break;
3563 case IEEE80211_AC_BE:
3564 p = &arvif->wmm_params.ac_be;
3565 break;
3566 case IEEE80211_AC_BK:
3567 p = &arvif->wmm_params.ac_bk;
3568 break;
3569 }
3570
3571 if (WARN_ON(!p)) {
3572 ret = -EINVAL;
3573 goto exit;
3574 }
3575
3576 p->cwmin = params->cw_min;
3577 p->cwmax = params->cw_max;
3578 p->aifs = params->aifs;
3579 p->txop = params->txop;
3580
3581 ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id,
3582 &arvif->wmm_params);
3583 if (ret) {
3584 ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret);
3585 goto exit;
3586 }
3587
3588 ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
3589
3590 if (ret)
3591 ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret);
3592
3593 exit:
3594 mutex_unlock(&ar->conf_mutex);
3595 return ret;
3596 }
3597
3598 static struct ieee80211_sta_ht_cap
ath11k_create_ht_cap(struct ath11k * ar,u32 ar_ht_cap,u32 rate_cap_rx_chainmask)3599 ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask)
3600 {
3601 int i;
3602 struct ieee80211_sta_ht_cap ht_cap = {0};
3603 u32 ar_vht_cap = ar->pdev->cap.vht_cap;
3604
3605 if (!(ar_ht_cap & WMI_HT_CAP_ENABLED))
3606 return ht_cap;
3607
3608 ht_cap.ht_supported = 1;
3609 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3610 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
3611 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3612 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
3613 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
3614
3615 if (ar_ht_cap & WMI_HT_CAP_HT20_SGI)
3616 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
3617
3618 if (ar_ht_cap & WMI_HT_CAP_HT40_SGI)
3619 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
3620
3621 if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) {
3622 u32 smps;
3623
3624 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
3625 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
3626
3627 ht_cap.cap |= smps;
3628 }
3629
3630 if (ar_ht_cap & WMI_HT_CAP_TX_STBC)
3631 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
3632
3633 if (ar_ht_cap & WMI_HT_CAP_RX_STBC) {
3634 u32 stbc;
3635
3636 stbc = ar_ht_cap;
3637 stbc &= WMI_HT_CAP_RX_STBC;
3638 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
3639 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
3640 stbc &= IEEE80211_HT_CAP_RX_STBC;
3641
3642 ht_cap.cap |= stbc;
3643 }
3644
3645 if (ar_ht_cap & WMI_HT_CAP_RX_LDPC)
3646 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
3647
3648 if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT)
3649 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
3650
3651 if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
3652 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
3653
3654 for (i = 0; i < ar->num_rx_chains; i++) {
3655 if (rate_cap_rx_chainmask & BIT(i))
3656 ht_cap.mcs.rx_mask[i] = 0xFF;
3657 }
3658
3659 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
3660
3661 return ht_cap;
3662 }
3663
ath11k_mac_set_txbf_conf(struct ath11k_vif * arvif)3664 static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif)
3665 {
3666 u32 value = 0;
3667 struct ath11k *ar = arvif->ar;
3668 int nsts;
3669 int sound_dim;
3670 u32 vht_cap = ar->pdev->cap.vht_cap;
3671 u32 vdev_param = WMI_VDEV_PARAM_TXBF;
3672
3673 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) {
3674 nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3675 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3676 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
3677 }
3678
3679 if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) {
3680 sound_dim = vht_cap &
3681 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3682 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3683 if (sound_dim > (ar->num_tx_chains - 1))
3684 sound_dim = ar->num_tx_chains - 1;
3685 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
3686 }
3687
3688 if (!value)
3689 return 0;
3690
3691 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) {
3692 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
3693
3694 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) &&
3695 arvif->vdev_type == WMI_VDEV_TYPE_AP)
3696 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
3697 }
3698
3699 /* TODO: SUBFEE not validated in HK, disable here until validated? */
3700
3701 if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {
3702 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
3703
3704 if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) &&
3705 arvif->vdev_type == WMI_VDEV_TYPE_STA)
3706 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
3707 }
3708
3709 return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
3710 vdev_param, value);
3711 }
3712
ath11k_set_vht_txbf_cap(struct ath11k * ar,u32 * vht_cap)3713 static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap)
3714 {
3715 bool subfer, subfee;
3716 int sound_dim = 0;
3717
3718 subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE));
3719 subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE));
3720
3721 if (ar->num_tx_chains < 2) {
3722 *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
3723 subfer = false;
3724 }
3725
3726 /* If SU Beaformer is not set, then disable MU Beamformer Capability */
3727 if (!subfer)
3728 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
3729
3730 /* If SU Beaformee is not set, then disable MU Beamformee Capability */
3731 if (!subfee)
3732 *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
3733
3734 sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK);
3735 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3736 *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3737
3738 /* TODO: Need to check invalid STS and Sound_dim values set by FW? */
3739
3740 /* Enable Sounding Dimension Field only if SU BF is enabled */
3741 if (subfer) {
3742 if (sound_dim > (ar->num_tx_chains - 1))
3743 sound_dim = ar->num_tx_chains - 1;
3744
3745 sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3746 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3747 *vht_cap |= sound_dim;
3748 }
3749
3750 /* Use the STS advertised by FW unless SU Beamformee is not supported*/
3751 if (!subfee)
3752 *vht_cap &= ~(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK);
3753 }
3754
3755 static struct ieee80211_sta_vht_cap
ath11k_create_vht_cap(struct ath11k * ar,u32 rate_cap_tx_chainmask,u32 rate_cap_rx_chainmask)3756 ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask,
3757 u32 rate_cap_rx_chainmask)
3758 {
3759 struct ieee80211_sta_vht_cap vht_cap = {0};
3760 u16 txmcs_map, rxmcs_map;
3761 int i;
3762
3763 vht_cap.vht_supported = 1;
3764 vht_cap.cap = ar->pdev->cap.vht_cap;
3765
3766 ath11k_set_vht_txbf_cap(ar, &vht_cap.cap);
3767
3768 /* TODO: Enable back VHT160 mode once association issues are fixed */
3769 /* Disabling VHT160 and VHT80+80 modes */
3770 vht_cap.cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
3771 vht_cap.cap &= ~IEEE80211_VHT_CAP_SHORT_GI_160;
3772
3773 rxmcs_map = 0;
3774 txmcs_map = 0;
3775 for (i = 0; i < 8; i++) {
3776 if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i))
3777 txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3778 else
3779 txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3780
3781 if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i))
3782 rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3783 else
3784 rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3785 }
3786
3787 if (rate_cap_tx_chainmask <= 1)
3788 vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
3789
3790 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map);
3791 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map);
3792
3793 return vht_cap;
3794 }
3795
ath11k_mac_setup_ht_vht_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap,u32 * ht_cap_info)3796 static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar,
3797 struct ath11k_pdev_cap *cap,
3798 u32 *ht_cap_info)
3799 {
3800 struct ieee80211_supported_band *band;
3801 u32 rate_cap_tx_chainmask;
3802 u32 rate_cap_rx_chainmask;
3803 u32 ht_cap;
3804
3805 rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift;
3806 rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift;
3807
3808 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
3809 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
3810 ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info;
3811 if (ht_cap_info)
3812 *ht_cap_info = ht_cap;
3813 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,
3814 rate_cap_rx_chainmask);
3815 }
3816
3817 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && !ar->supports_6ghz) {
3818 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
3819 ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info;
3820 if (ht_cap_info)
3821 *ht_cap_info = ht_cap;
3822 band->ht_cap = ath11k_create_ht_cap(ar, ht_cap,
3823 rate_cap_rx_chainmask);
3824 band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask,
3825 rate_cap_rx_chainmask);
3826 }
3827 }
3828
ath11k_check_chain_mask(struct ath11k * ar,u32 ant,bool is_tx_ant)3829 static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant)
3830 {
3831 /* TODO: Check the request chainmask against the supported
3832 * chainmask table which is advertised in extented_service_ready event
3833 */
3834
3835 return 0;
3836 }
3837
ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold * fw_ppet,u8 * he_ppet)3838 static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet,
3839 u8 *he_ppet)
3840 {
3841 int nss, ru;
3842 u8 bit = 7;
3843
3844 he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK;
3845 he_ppet[0] |= (fw_ppet->ru_bit_mask <<
3846 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
3847 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
3848 for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {
3849 for (ru = 0; ru < 4; ru++) {
3850 u8 val;
3851 int i;
3852
3853 if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)
3854 continue;
3855 val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
3856 0x3f;
3857 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
3858 for (i = 5; i >= 0; i--) {
3859 he_ppet[bit / 8] |=
3860 ((val >> i) & 0x1) << ((bit % 8));
3861 bit++;
3862 }
3863 }
3864 }
3865 }
3866
3867 static void
ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem * he_cap_elem)3868 ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem)
3869 {
3870 u8 m;
3871
3872 m = IEEE80211_HE_MAC_CAP0_TWT_RES |
3873 IEEE80211_HE_MAC_CAP0_TWT_REQ;
3874 he_cap_elem->mac_cap_info[0] &= ~m;
3875
3876 m = IEEE80211_HE_MAC_CAP2_TRS |
3877 IEEE80211_HE_MAC_CAP2_BCAST_TWT |
3878 IEEE80211_HE_MAC_CAP2_MU_CASCADING;
3879 he_cap_elem->mac_cap_info[2] &= ~m;
3880
3881 m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED |
3882 IEEE80211_HE_MAC_CAP2_BCAST_TWT |
3883 IEEE80211_HE_MAC_CAP2_MU_CASCADING;
3884 he_cap_elem->mac_cap_info[3] &= ~m;
3885
3886 m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG |
3887 IEEE80211_HE_MAC_CAP4_BQR;
3888 he_cap_elem->mac_cap_info[4] &= ~m;
3889
3890 m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION |
3891 IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU |
3892 IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING |
3893 IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX;
3894 he_cap_elem->mac_cap_info[5] &= ~m;
3895
3896 m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
3897 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
3898 he_cap_elem->phy_cap_info[2] &= ~m;
3899
3900 m = IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU |
3901 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK |
3902 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK;
3903 he_cap_elem->phy_cap_info[3] &= ~m;
3904
3905 m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
3906 he_cap_elem->phy_cap_info[4] &= ~m;
3907
3908 m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
3909 he_cap_elem->phy_cap_info[5] &= ~m;
3910
3911 m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
3912 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB |
3913 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
3914 IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
3915 he_cap_elem->phy_cap_info[6] &= ~m;
3916
3917 m = IEEE80211_HE_PHY_CAP7_PSR_BASED_SR |
3918 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
3919 IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
3920 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
3921 he_cap_elem->phy_cap_info[7] &= ~m;
3922
3923 m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI |
3924 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
3925 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
3926 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
3927 he_cap_elem->phy_cap_info[8] &= ~m;
3928
3929 m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
3930 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
3931 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
3932 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
3933 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
3934 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
3935 he_cap_elem->phy_cap_info[9] &= ~m;
3936 }
3937
ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap * pcap,struct ath11k_band_cap * bcap)3938 static __le16 ath11k_mac_setup_he_6ghz_cap(struct ath11k_pdev_cap *pcap,
3939 struct ath11k_band_cap *bcap)
3940 {
3941 u8 val;
3942
3943 bcap->he_6ghz_capa = IEEE80211_HT_MPDU_DENSITY_NONE;
3944 if (bcap->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
3945 bcap->he_6ghz_capa |=
3946 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
3947 WLAN_HT_CAP_SM_PS_DYNAMIC);
3948 else
3949 bcap->he_6ghz_capa |=
3950 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_SM_PS,
3951 WLAN_HT_CAP_SM_PS_DISABLED);
3952 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
3953 pcap->vht_cap);
3954 bcap->he_6ghz_capa |=
3955 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP, val);
3956 val = FIELD_GET(IEEE80211_VHT_CAP_MAX_MPDU_MASK, pcap->vht_cap);
3957 bcap->he_6ghz_capa |=
3958 FIELD_PREP(IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN, val);
3959 if (pcap->vht_cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
3960 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
3961 if (pcap->vht_cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
3962 bcap->he_6ghz_capa |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
3963
3964 return cpu_to_le16(bcap->he_6ghz_capa);
3965 }
3966
ath11k_mac_copy_he_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap,struct ieee80211_sband_iftype_data * data,int band)3967 static int ath11k_mac_copy_he_cap(struct ath11k *ar,
3968 struct ath11k_pdev_cap *cap,
3969 struct ieee80211_sband_iftype_data *data,
3970 int band)
3971 {
3972 int i, idx = 0;
3973
3974 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
3975 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
3976 struct ath11k_band_cap *band_cap = &cap->band[band];
3977 struct ieee80211_he_cap_elem *he_cap_elem =
3978 &he_cap->he_cap_elem;
3979
3980 switch (i) {
3981 case NL80211_IFTYPE_STATION:
3982 case NL80211_IFTYPE_AP:
3983 case NL80211_IFTYPE_MESH_POINT:
3984 break;
3985
3986 default:
3987 continue;
3988 }
3989
3990 data[idx].types_mask = BIT(i);
3991 he_cap->has_he = true;
3992 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,
3993 sizeof(he_cap_elem->mac_cap_info));
3994 memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,
3995 sizeof(he_cap_elem->phy_cap_info));
3996
3997 he_cap_elem->mac_cap_info[1] &=
3998 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
3999
4000 he_cap_elem->phy_cap_info[5] &=
4001 ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;
4002 he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1;
4003
4004 switch (i) {
4005 case NL80211_IFTYPE_AP:
4006 he_cap_elem->phy_cap_info[3] &=
4007 ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;
4008 he_cap_elem->phy_cap_info[9] |=
4009 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
4010 break;
4011 case NL80211_IFTYPE_STATION:
4012 he_cap_elem->mac_cap_info[0] &=
4013 ~IEEE80211_HE_MAC_CAP0_TWT_RES;
4014 he_cap_elem->mac_cap_info[0] |=
4015 IEEE80211_HE_MAC_CAP0_TWT_REQ;
4016 he_cap_elem->phy_cap_info[9] |=
4017 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
4018 break;
4019 case NL80211_IFTYPE_MESH_POINT:
4020 ath11k_mac_filter_he_cap_mesh(he_cap_elem);
4021 break;
4022 }
4023
4024 he_cap->he_mcs_nss_supp.rx_mcs_80 =
4025 cpu_to_le16(band_cap->he_mcs & 0xffff);
4026 he_cap->he_mcs_nss_supp.tx_mcs_80 =
4027 cpu_to_le16(band_cap->he_mcs & 0xffff);
4028 he_cap->he_mcs_nss_supp.rx_mcs_160 =
4029 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
4030 he_cap->he_mcs_nss_supp.tx_mcs_160 =
4031 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
4032 he_cap->he_mcs_nss_supp.rx_mcs_80p80 =
4033 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
4034 he_cap->he_mcs_nss_supp.tx_mcs_80p80 =
4035 cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
4036
4037 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
4038 if (he_cap_elem->phy_cap_info[6] &
4039 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
4040 ath11k_gen_ppe_thresh(&band_cap->he_ppet,
4041 he_cap->ppe_thres);
4042
4043 if (band == NL80211_BAND_6GHZ) {
4044 data[idx].he_6ghz_capa.capa =
4045 ath11k_mac_setup_he_6ghz_cap(cap, band_cap);
4046 }
4047 idx++;
4048 }
4049
4050 return idx;
4051 }
4052
ath11k_mac_setup_he_cap(struct ath11k * ar,struct ath11k_pdev_cap * cap)4053 static void ath11k_mac_setup_he_cap(struct ath11k *ar,
4054 struct ath11k_pdev_cap *cap)
4055 {
4056 struct ieee80211_supported_band *band;
4057 int count;
4058
4059 if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
4060 count = ath11k_mac_copy_he_cap(ar, cap,
4061 ar->mac.iftype[NL80211_BAND_2GHZ],
4062 NL80211_BAND_2GHZ);
4063 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
4064 band->iftype_data = ar->mac.iftype[NL80211_BAND_2GHZ];
4065 band->n_iftype_data = count;
4066 }
4067
4068 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
4069 count = ath11k_mac_copy_he_cap(ar, cap,
4070 ar->mac.iftype[NL80211_BAND_5GHZ],
4071 NL80211_BAND_5GHZ);
4072 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
4073 band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ];
4074 band->n_iftype_data = count;
4075 }
4076
4077 if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP &&
4078 ar->supports_6ghz) {
4079 count = ath11k_mac_copy_he_cap(ar, cap,
4080 ar->mac.iftype[NL80211_BAND_6GHZ],
4081 NL80211_BAND_6GHZ);
4082 band = &ar->mac.sbands[NL80211_BAND_6GHZ];
4083 band->iftype_data = ar->mac.iftype[NL80211_BAND_6GHZ];
4084 band->n_iftype_data = count;
4085 }
4086 }
4087
__ath11k_set_antenna(struct ath11k * ar,u32 tx_ant,u32 rx_ant)4088 static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
4089 {
4090 int ret;
4091
4092 lockdep_assert_held(&ar->conf_mutex);
4093
4094 if (ath11k_check_chain_mask(ar, tx_ant, true))
4095 return -EINVAL;
4096
4097 if (ath11k_check_chain_mask(ar, rx_ant, false))
4098 return -EINVAL;
4099
4100 ar->cfg_tx_chainmask = tx_ant;
4101 ar->cfg_rx_chainmask = rx_ant;
4102
4103 if (ar->state != ATH11K_STATE_ON &&
4104 ar->state != ATH11K_STATE_RESTARTED)
4105 return 0;
4106
4107 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK,
4108 tx_ant, ar->pdev->pdev_id);
4109 if (ret) {
4110 ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n",
4111 ret, tx_ant);
4112 return ret;
4113 }
4114
4115 ar->num_tx_chains = get_num_chains(tx_ant);
4116
4117 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK,
4118 rx_ant, ar->pdev->pdev_id);
4119 if (ret) {
4120 ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n",
4121 ret, rx_ant);
4122 return ret;
4123 }
4124
4125 ar->num_rx_chains = get_num_chains(rx_ant);
4126
4127 /* Reload HT/VHT/HE capability */
4128 ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL);
4129 ath11k_mac_setup_he_cap(ar, &ar->pdev->cap);
4130
4131 return 0;
4132 }
4133
ath11k_mac_tx_mgmt_pending_free(int buf_id,void * skb,void * ctx)4134 int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)
4135 {
4136 struct sk_buff *msdu = skb;
4137 struct ieee80211_tx_info *info;
4138 struct ath11k *ar = ctx;
4139 struct ath11k_base *ab = ar->ab;
4140
4141 spin_lock_bh(&ar->txmgmt_idr_lock);
4142 idr_remove(&ar->txmgmt_idr, buf_id);
4143 spin_unlock_bh(&ar->txmgmt_idr_lock);
4144 dma_unmap_single(ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len,
4145 DMA_TO_DEVICE);
4146
4147 info = IEEE80211_SKB_CB(msdu);
4148 memset(&info->status, 0, sizeof(info->status));
4149
4150 ieee80211_free_txskb(ar->hw, msdu);
4151
4152 return 0;
4153 }
4154
ath11k_mac_vif_txmgmt_idr_remove(int buf_id,void * skb,void * ctx)4155 static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx)
4156 {
4157 struct ieee80211_vif *vif = ctx;
4158 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb);
4159 struct sk_buff *msdu = skb;
4160 struct ath11k *ar = skb_cb->ar;
4161 struct ath11k_base *ab = ar->ab;
4162
4163 if (skb_cb->vif == vif) {
4164 spin_lock_bh(&ar->txmgmt_idr_lock);
4165 idr_remove(&ar->txmgmt_idr, buf_id);
4166 spin_unlock_bh(&ar->txmgmt_idr_lock);
4167 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len,
4168 DMA_TO_DEVICE);
4169 }
4170
4171 return 0;
4172 }
4173
ath11k_mac_mgmt_tx_wmi(struct ath11k * ar,struct ath11k_vif * arvif,struct sk_buff * skb)4174 static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
4175 struct sk_buff *skb)
4176 {
4177 struct ath11k_base *ab = ar->ab;
4178 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
4179 struct ieee80211_tx_info *info;
4180 dma_addr_t paddr;
4181 int buf_id;
4182 int ret;
4183
4184 spin_lock_bh(&ar->txmgmt_idr_lock);
4185 buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0,
4186 ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC);
4187 spin_unlock_bh(&ar->txmgmt_idr_lock);
4188 if (buf_id < 0)
4189 return -ENOSPC;
4190
4191 info = IEEE80211_SKB_CB(skb);
4192 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) {
4193 if ((ieee80211_is_action(hdr->frame_control) ||
4194 ieee80211_is_deauth(hdr->frame_control) ||
4195 ieee80211_is_disassoc(hdr->frame_control)) &&
4196 ieee80211_has_protected(hdr->frame_control)) {
4197 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
4198 }
4199 }
4200
4201 paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
4202 if (dma_mapping_error(ab->dev, paddr)) {
4203 ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n");
4204 ret = -EIO;
4205 goto err_free_idr;
4206 }
4207
4208 ATH11K_SKB_CB(skb)->paddr = paddr;
4209
4210 ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb);
4211 if (ret) {
4212 ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret);
4213 goto err_unmap_buf;
4214 }
4215
4216 return 0;
4217
4218 err_unmap_buf:
4219 dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr,
4220 skb->len, DMA_TO_DEVICE);
4221 err_free_idr:
4222 spin_lock_bh(&ar->txmgmt_idr_lock);
4223 idr_remove(&ar->txmgmt_idr, buf_id);
4224 spin_unlock_bh(&ar->txmgmt_idr_lock);
4225
4226 return ret;
4227 }
4228
ath11k_mgmt_over_wmi_tx_purge(struct ath11k * ar)4229 static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar)
4230 {
4231 struct sk_buff *skb;
4232
4233 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL)
4234 ieee80211_free_txskb(ar->hw, skb);
4235 }
4236
ath11k_mgmt_over_wmi_tx_work(struct work_struct * work)4237 static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work)
4238 {
4239 struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work);
4240 struct ath11k_skb_cb *skb_cb;
4241 struct ath11k_vif *arvif;
4242 struct sk_buff *skb;
4243 int ret;
4244
4245 while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {
4246 skb_cb = ATH11K_SKB_CB(skb);
4247 if (!skb_cb->vif) {
4248 ath11k_warn(ar->ab, "no vif found for mgmt frame\n");
4249 ieee80211_free_txskb(ar->hw, skb);
4250 continue;
4251 }
4252
4253 arvif = ath11k_vif_to_arvif(skb_cb->vif);
4254 if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) &&
4255 arvif->is_started) {
4256 ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
4257 if (ret) {
4258 ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
4259 arvif->vdev_id, ret);
4260 ieee80211_free_txskb(ar->hw, skb);
4261 } else {
4262 atomic_inc(&ar->num_pending_mgmt_tx);
4263 }
4264 } else {
4265 ath11k_warn(ar->ab,
4266 "dropping mgmt frame for vdev %d, is_started %d\n",
4267 arvif->vdev_id,
4268 arvif->is_started);
4269 ieee80211_free_txskb(ar->hw, skb);
4270 }
4271 }
4272 }
4273
ath11k_mac_mgmt_tx(struct ath11k * ar,struct sk_buff * skb,bool is_prb_rsp)4274 static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb,
4275 bool is_prb_rsp)
4276 {
4277 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
4278
4279 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
4280 return -ESHUTDOWN;
4281
4282 /* Drop probe response packets when the pending management tx
4283 * count has reached a certain threshold, so as to prioritize
4284 * other mgmt packets like auth and assoc to be sent on time
4285 * for establishing successful connections.
4286 */
4287 if (is_prb_rsp &&
4288 atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) {
4289 ath11k_warn(ar->ab,
4290 "dropping probe response as pending queue is almost full\n");
4291 return -ENOSPC;
4292 }
4293
4294 if (skb_queue_len_lockless(q) >= ATH11K_TX_MGMT_NUM_PENDING_MAX) {
4295 ath11k_warn(ar->ab, "mgmt tx queue is full\n");
4296 return -ENOSPC;
4297 }
4298
4299 skb_queue_tail(q, skb);
4300 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
4301
4302 return 0;
4303 }
4304
ath11k_mac_op_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)4305 static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
4306 struct ieee80211_tx_control *control,
4307 struct sk_buff *skb)
4308 {
4309 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
4310 struct ath11k *ar = hw->priv;
4311 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
4312 struct ieee80211_vif *vif = info->control.vif;
4313 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4314 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
4315 struct ieee80211_key_conf *key = info->control.hw_key;
4316 u32 info_flags = info->flags;
4317 bool is_prb_rsp;
4318 int ret;
4319
4320 memset(skb_cb, 0, sizeof(*skb_cb));
4321 skb_cb->vif = vif;
4322
4323 if (key) {
4324 skb_cb->cipher = key->cipher;
4325 skb_cb->flags |= ATH11K_SKB_CIPHER_SET;
4326 }
4327
4328 if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
4329 skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP;
4330 } else if (ieee80211_is_mgmt(hdr->frame_control)) {
4331 is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
4332 ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp);
4333 if (ret) {
4334 ath11k_warn(ar->ab, "failed to queue management frame %d\n",
4335 ret);
4336 ieee80211_free_txskb(ar->hw, skb);
4337 }
4338 return;
4339 }
4340
4341 ret = ath11k_dp_tx(ar, arvif, skb);
4342 if (ret) {
4343 ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret);
4344 ieee80211_free_txskb(ar->hw, skb);
4345 }
4346 }
4347
ath11k_mac_drain_tx(struct ath11k * ar)4348 void ath11k_mac_drain_tx(struct ath11k *ar)
4349 {
4350 /* make sure rcu-protected mac80211 tx path itself is drained */
4351 synchronize_net();
4352
4353 cancel_work_sync(&ar->wmi_mgmt_tx_work);
4354 ath11k_mgmt_over_wmi_tx_purge(ar);
4355 }
4356
ath11k_mac_config_mon_status_default(struct ath11k * ar,bool enable)4357 static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable)
4358 {
4359 struct htt_rx_ring_tlv_filter tlv_filter = {0};
4360 struct ath11k_base *ab = ar->ab;
4361 int i, ret = 0;
4362 u32 ring_id;
4363
4364 if (enable) {
4365 tlv_filter = ath11k_mac_mon_status_filter_default;
4366 if (ath11k_debugfs_rx_filter(ar))
4367 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
4368 }
4369
4370 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
4371 ring_id = ar->dp.rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
4372 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
4373 ar->dp.mac_id + i,
4374 HAL_RXDMA_MONITOR_STATUS,
4375 DP_RX_BUFFER_SIZE,
4376 &tlv_filter);
4377 }
4378
4379 if (enable && !ar->ab->hw_params.rxdma1_enable)
4380 mod_timer(&ar->ab->mon_reap_timer, jiffies +
4381 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
4382
4383 return ret;
4384 }
4385
ath11k_mac_op_start(struct ieee80211_hw * hw)4386 static int ath11k_mac_op_start(struct ieee80211_hw *hw)
4387 {
4388 struct ath11k *ar = hw->priv;
4389 struct ath11k_base *ab = ar->ab;
4390 struct ath11k_pdev *pdev = ar->pdev;
4391 int ret;
4392
4393 ath11k_mac_drain_tx(ar);
4394 mutex_lock(&ar->conf_mutex);
4395
4396 switch (ar->state) {
4397 case ATH11K_STATE_OFF:
4398 ar->state = ATH11K_STATE_ON;
4399 break;
4400 case ATH11K_STATE_RESTARTING:
4401 ar->state = ATH11K_STATE_RESTARTED;
4402 break;
4403 case ATH11K_STATE_RESTARTED:
4404 case ATH11K_STATE_WEDGED:
4405 case ATH11K_STATE_ON:
4406 WARN_ON(1);
4407 ret = -EINVAL;
4408 goto err;
4409 }
4410
4411 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS,
4412 1, pdev->pdev_id);
4413
4414 if (ret) {
4415 ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret);
4416 goto err;
4417 }
4418
4419 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1,
4420 pdev->pdev_id);
4421 if (ret) {
4422 ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret);
4423 goto err;
4424 }
4425
4426 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE,
4427 0, pdev->pdev_id);
4428 if (ret) {
4429 ath11k_err(ab, "failed to set ac override for ARP: %d\n",
4430 ret);
4431 goto err;
4432 }
4433
4434 ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id);
4435 if (ret) {
4436 ath11k_err(ab, "failed to offload radar detection: %d\n",
4437 ret);
4438 goto err;
4439 }
4440
4441 ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar,
4442 HTT_PPDU_STATS_TAG_DEFAULT);
4443 if (ret) {
4444 ath11k_err(ab, "failed to req ppdu stats: %d\n", ret);
4445 goto err;
4446 }
4447
4448 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE,
4449 1, pdev->pdev_id);
4450
4451 if (ret) {
4452 ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret);
4453 goto err;
4454 }
4455
4456 __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4457
4458 /* TODO: Do we need to enable ANI? */
4459
4460 ath11k_reg_update_chan_list(ar);
4461
4462 ar->num_started_vdevs = 0;
4463 ar->num_created_vdevs = 0;
4464 ar->num_peers = 0;
4465 ar->allocated_vdev_map = 0;
4466
4467 /* Configure monitor status ring with default rx_filter to get rx status
4468 * such as rssi, rx_duration.
4469 */
4470 ret = ath11k_mac_config_mon_status_default(ar, true);
4471 if (ret) {
4472 ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n",
4473 ret);
4474 goto err;
4475 }
4476
4477 /* Configure the hash seed for hash based reo dest ring selection */
4478 ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id);
4479
4480 /* allow device to enter IMPS */
4481 if (ab->hw_params.idle_ps) {
4482 ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_IDLE_PS_CONFIG,
4483 1, pdev->pdev_id);
4484 if (ret) {
4485 ath11k_err(ab, "failed to enable idle ps: %d\n", ret);
4486 goto err;
4487 }
4488 }
4489
4490 mutex_unlock(&ar->conf_mutex);
4491
4492 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx],
4493 &ab->pdevs[ar->pdev_idx]);
4494
4495 return 0;
4496
4497 err:
4498 ar->state = ATH11K_STATE_OFF;
4499 mutex_unlock(&ar->conf_mutex);
4500
4501 return ret;
4502 }
4503
ath11k_mac_op_stop(struct ieee80211_hw * hw)4504 static void ath11k_mac_op_stop(struct ieee80211_hw *hw)
4505 {
4506 struct ath11k *ar = hw->priv;
4507 struct htt_ppdu_stats_info *ppdu_stats, *tmp;
4508 int ret;
4509
4510 ath11k_mac_drain_tx(ar);
4511
4512 mutex_lock(&ar->conf_mutex);
4513 ret = ath11k_mac_config_mon_status_default(ar, false);
4514 if (ret)
4515 ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n",
4516 ret);
4517
4518 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
4519 ar->state = ATH11K_STATE_OFF;
4520 mutex_unlock(&ar->conf_mutex);
4521
4522 cancel_delayed_work_sync(&ar->scan.timeout);
4523 cancel_work_sync(&ar->regd_update_work);
4524
4525 spin_lock_bh(&ar->data_lock);
4526 list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) {
4527 list_del(&ppdu_stats->list);
4528 kfree(ppdu_stats);
4529 }
4530 spin_unlock_bh(&ar->data_lock);
4531
4532 rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL);
4533
4534 synchronize_rcu();
4535
4536 atomic_set(&ar->num_pending_mgmt_tx, 0);
4537 }
4538
4539 static void
ath11k_mac_setup_vdev_create_params(struct ath11k_vif * arvif,struct vdev_create_params * params)4540 ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif,
4541 struct vdev_create_params *params)
4542 {
4543 struct ath11k *ar = arvif->ar;
4544 struct ath11k_pdev *pdev = ar->pdev;
4545
4546 params->if_id = arvif->vdev_id;
4547 params->type = arvif->vdev_type;
4548 params->subtype = arvif->vdev_subtype;
4549 params->pdev_id = pdev->pdev_id;
4550
4551 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) {
4552 params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains;
4553 params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains;
4554 }
4555 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) {
4556 params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains;
4557 params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains;
4558 }
4559 if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP &&
4560 ar->supports_6ghz) {
4561 params->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains;
4562 params->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains;
4563 }
4564 }
4565
4566 static u32
ath11k_mac_prepare_he_mode(struct ath11k_pdev * pdev,u32 viftype)4567 ath11k_mac_prepare_he_mode(struct ath11k_pdev *pdev, u32 viftype)
4568 {
4569 struct ath11k_pdev_cap *pdev_cap = &pdev->cap;
4570 struct ath11k_band_cap *cap_band = NULL;
4571 u32 *hecap_phy_ptr = NULL;
4572 u32 hemode = 0;
4573
4574 if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP)
4575 cap_band = &pdev_cap->band[NL80211_BAND_2GHZ];
4576 else
4577 cap_band = &pdev_cap->band[NL80211_BAND_5GHZ];
4578
4579 hecap_phy_ptr = &cap_band->he_cap_phy_info[0];
4580
4581 hemode = FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE) |
4582 FIELD_PREP(HE_MODE_SU_TX_BFER, HECAP_PHY_SUBFMR_GET(hecap_phy_ptr)) |
4583 FIELD_PREP(HE_MODE_UL_MUMIMO, HECAP_PHY_ULMUMIMO_GET(hecap_phy_ptr));
4584
4585 /* TODO WDS and other modes */
4586 if (viftype == NL80211_IFTYPE_AP) {
4587 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFER,
4588 HECAP_PHY_MUBFMR_GET(hecap_phy_ptr)) |
4589 FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) |
4590 FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE);
4591 } else {
4592 hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE);
4593 }
4594
4595 return hemode;
4596 }
4597
ath11k_set_he_mu_sounding_mode(struct ath11k * ar,struct ath11k_vif * arvif)4598 static int ath11k_set_he_mu_sounding_mode(struct ath11k *ar,
4599 struct ath11k_vif *arvif)
4600 {
4601 u32 param_id, param_value;
4602 struct ath11k_base *ab = ar->ab;
4603 int ret = 0;
4604
4605 param_id = WMI_VDEV_PARAM_SET_HEMU_MODE;
4606 param_value = ath11k_mac_prepare_he_mode(ar->pdev, arvif->vif->type);
4607 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
4608 param_id, param_value);
4609 if (ret) {
4610 ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d param_value %x\n",
4611 arvif->vdev_id, ret, param_value);
4612 return ret;
4613 }
4614 param_id = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE;
4615 param_value =
4616 FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) |
4617 FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE,
4618 HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE);
4619 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
4620 param_id, param_value);
4621 if (ret) {
4622 ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d\n",
4623 arvif->vdev_id, ret);
4624 return ret;
4625 }
4626 return ret;
4627 }
4628
ath11k_mac_op_update_vif_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif)4629 static void ath11k_mac_op_update_vif_offload(struct ieee80211_hw *hw,
4630 struct ieee80211_vif *vif)
4631 {
4632 struct ath11k *ar = hw->priv;
4633 struct ath11k_base *ab = ar->ab;
4634 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4635 u32 param_id, param_value;
4636 int ret;
4637
4638 param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;
4639 if (ath11k_frame_mode != ATH11K_HW_TXRX_ETHERNET ||
4640 (vif->type != NL80211_IFTYPE_STATION &&
4641 vif->type != NL80211_IFTYPE_AP))
4642 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
4643
4644 if (vif->offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED)
4645 param_value = ATH11K_HW_TXRX_ETHERNET;
4646 else if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
4647 param_value = ATH11K_HW_TXRX_RAW;
4648 else
4649 param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
4650
4651 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
4652 param_id, param_value);
4653 if (ret) {
4654 ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n",
4655 arvif->vdev_id, ret);
4656 vif->offload_flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
4657 }
4658 }
4659
ath11k_mac_op_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)4660 static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
4661 struct ieee80211_vif *vif)
4662 {
4663 struct ath11k *ar = hw->priv;
4664 struct ath11k_base *ab = ar->ab;
4665 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4666 struct vdev_create_params vdev_param = {0};
4667 struct peer_create_params peer_param;
4668 u32 param_id, param_value;
4669 u16 nss;
4670 int i;
4671 int ret;
4672 int bit;
4673
4674 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4675
4676 mutex_lock(&ar->conf_mutex);
4677
4678 if (vif->type == NL80211_IFTYPE_AP &&
4679 ar->num_peers > (ar->max_num_peers - 1)) {
4680 ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n");
4681 ret = -ENOBUFS;
4682 goto err;
4683 }
4684
4685 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS - 1)) {
4686 ath11k_warn(ab, "failed to create vdev, reached max vdev limit %d\n",
4687 TARGET_NUM_VDEVS);
4688 ret = -EBUSY;
4689 goto err;
4690 }
4691
4692 memset(arvif, 0, sizeof(*arvif));
4693
4694 arvif->ar = ar;
4695 arvif->vif = vif;
4696
4697 INIT_LIST_HEAD(&arvif->list);
4698 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4699 ath11k_mac_vif_sta_connection_loss_work);
4700
4701 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4702 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4703 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4704 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4705 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4706 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4707 }
4708
4709 bit = __ffs64(ab->free_vdev_map);
4710
4711 arvif->vdev_id = bit;
4712 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
4713
4714 switch (vif->type) {
4715 case NL80211_IFTYPE_UNSPECIFIED:
4716 case NL80211_IFTYPE_STATION:
4717 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4718 break;
4719 case NL80211_IFTYPE_MESH_POINT:
4720 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S;
4721 fallthrough;
4722 case NL80211_IFTYPE_AP:
4723 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4724 break;
4725 case NL80211_IFTYPE_MONITOR:
4726 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4727 break;
4728 default:
4729 WARN_ON(1);
4730 break;
4731 }
4732
4733 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac add interface id %d type %d subtype %d map %llx\n",
4734 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4735 ab->free_vdev_map);
4736
4737 vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1);
4738 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4739 vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1);
4740
4741 ath11k_mac_setup_vdev_create_params(arvif, &vdev_param);
4742
4743 ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param);
4744 if (ret) {
4745 ath11k_warn(ab, "failed to create WMI vdev %d: %d\n",
4746 arvif->vdev_id, ret);
4747 goto err;
4748 }
4749
4750 ar->num_created_vdevs++;
4751 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n",
4752 vif->addr, arvif->vdev_id);
4753 ar->allocated_vdev_map |= 1LL << arvif->vdev_id;
4754 ab->free_vdev_map &= ~(1LL << arvif->vdev_id);
4755
4756 spin_lock_bh(&ar->data_lock);
4757 list_add(&arvif->list, &ar->arvifs);
4758 spin_unlock_bh(&ar->data_lock);
4759
4760 ath11k_mac_op_update_vif_offload(hw, vif);
4761
4762 nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1;
4763 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
4764 WMI_VDEV_PARAM_NSS, nss);
4765 if (ret) {
4766 ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n",
4767 arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret);
4768 goto err_vdev_del;
4769 }
4770
4771 switch (arvif->vdev_type) {
4772 case WMI_VDEV_TYPE_AP:
4773 peer_param.vdev_id = arvif->vdev_id;
4774 peer_param.peer_addr = vif->addr;
4775 peer_param.peer_type = WMI_PEER_TYPE_DEFAULT;
4776 ret = ath11k_peer_create(ar, arvif, NULL, &peer_param);
4777 if (ret) {
4778 ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n",
4779 arvif->vdev_id, ret);
4780 goto err_vdev_del;
4781 }
4782
4783 ret = ath11k_mac_set_kickout(arvif);
4784 if (ret) {
4785 ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n",
4786 arvif->vdev_id, ret);
4787 goto err_peer_del;
4788 }
4789 break;
4790 case WMI_VDEV_TYPE_STA:
4791 param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4792 param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4793 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4794 param_id, param_value);
4795 if (ret) {
4796 ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n",
4797 arvif->vdev_id, ret);
4798 goto err_peer_del;
4799 }
4800
4801 param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
4802 param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
4803 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4804 param_id, param_value);
4805 if (ret) {
4806 ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n",
4807 arvif->vdev_id, ret);
4808 goto err_peer_del;
4809 }
4810
4811 param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT;
4812 param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
4813 ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4814 param_id, param_value);
4815 if (ret) {
4816 ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n",
4817 arvif->vdev_id, ret);
4818 goto err_peer_del;
4819 }
4820
4821 ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, false);
4822 if (ret) {
4823 ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n",
4824 arvif->vdev_id, ret);
4825 goto err_peer_del;
4826 }
4827 break;
4828 default:
4829 break;
4830 }
4831
4832 arvif->txpower = vif->bss_conf.txpower;
4833 ret = ath11k_mac_txpower_recalc(ar);
4834 if (ret)
4835 goto err_peer_del;
4836
4837 param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
4838 param_value = ar->hw->wiphy->rts_threshold;
4839 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
4840 param_id, param_value);
4841 if (ret) {
4842 ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n",
4843 arvif->vdev_id, ret);
4844 }
4845
4846 ath11k_dp_vdev_tx_attach(ar, arvif);
4847
4848 mutex_unlock(&ar->conf_mutex);
4849
4850 return 0;
4851
4852 err_peer_del:
4853 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4854 reinit_completion(&ar->peer_delete_done);
4855
4856 ret = ath11k_wmi_send_peer_delete_cmd(ar, vif->addr,
4857 arvif->vdev_id);
4858 if (ret) {
4859 ath11k_warn(ar->ab, "failed to delete peer vdev_id %d addr %pM\n",
4860 arvif->vdev_id, vif->addr);
4861 goto err;
4862 }
4863
4864 ret = ath11k_wait_for_peer_delete_done(ar, arvif->vdev_id,
4865 vif->addr);
4866 if (ret)
4867 goto err;
4868
4869 ar->num_peers--;
4870 }
4871
4872 err_vdev_del:
4873 ath11k_wmi_vdev_delete(ar, arvif->vdev_id);
4874 ar->num_created_vdevs--;
4875 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
4876 ab->free_vdev_map |= 1LL << arvif->vdev_id;
4877 spin_lock_bh(&ar->data_lock);
4878 list_del(&arvif->list);
4879 spin_unlock_bh(&ar->data_lock);
4880
4881 err:
4882 mutex_unlock(&ar->conf_mutex);
4883
4884 return ret;
4885 }
4886
ath11k_mac_vif_unref(int buf_id,void * skb,void * ctx)4887 static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx)
4888 {
4889 struct ieee80211_vif *vif = (struct ieee80211_vif *)ctx;
4890 struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb);
4891
4892 if (skb_cb->vif == vif)
4893 skb_cb->vif = NULL;
4894
4895 return 0;
4896 }
4897
ath11k_mac_op_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)4898 static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
4899 struct ieee80211_vif *vif)
4900 {
4901 struct ath11k *ar = hw->priv;
4902 struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
4903 struct ath11k_base *ab = ar->ab;
4904 unsigned long time_left;
4905 int ret;
4906 int i;
4907
4908 cancel_delayed_work_sync(&arvif->connection_loss_work);
4909
4910 mutex_lock(&ar->conf_mutex);
4911
4912 ath11k_dbg(ab, ATH11K_DBG_MAC, "mac remove interface (vdev %d)\n",
4913 arvif->vdev_id);
4914
4915 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4916 ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);
4917 if (ret)
4918 ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n",
4919 arvif->vdev_id, ret);
4920 }
4921
4922 reinit_completion(&ar->vdev_delete_done);
4923
4924 ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id);
4925 if (ret) {
4926 ath11k_warn(ab, "failed to delete WMI vdev %d: %d\n",
4927 arvif->vdev_id, ret);
4928 goto err_vdev_del;
4929 }
4930
4931 time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
4932 ATH11K_VDEV_DELETE_TIMEOUT_HZ);
4933 if (time_left == 0) {
4934 ath11k_warn(ab, "Timeout in receiving vdev delete response\n");
4935 goto err_vdev_del;
4936 }
4937
4938 ab->free_vdev_map |= 1LL << (arvif->vdev_id);
4939 ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
4940 ar->num_created_vdevs--;
4941
4942 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",
4943 vif->addr, arvif->vdev_id);
4944
4945 err_vdev_del:
4946 spin_lock_bh(&ar->data_lock);
4947 list_del(&arvif->list);
4948 spin_unlock_bh(&ar->data_lock);
4949
4950 ath11k_peer_cleanup(ar, arvif->vdev_id);
4951
4952 idr_for_each(&ar->txmgmt_idr,
4953 ath11k_mac_vif_txmgmt_idr_remove, vif);
4954
4955 for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) {
4956 spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock);
4957 idr_for_each(&ab->dp.tx_ring[i].txbuf_idr,
4958 ath11k_mac_vif_unref, vif);
4959 spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock);
4960 }
4961
4962 /* Recalc txpower for remaining vdev */
4963 ath11k_mac_txpower_recalc(ar);
4964 clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
4965
4966 /* TODO: recal traffic pause state based on the available vdevs */
4967
4968 mutex_unlock(&ar->conf_mutex);
4969 }
4970
4971 /* FIXME: Has to be verified. */
4972 #define SUPPORTED_FILTERS \
4973 (FIF_ALLMULTI | \
4974 FIF_CONTROL | \
4975 FIF_PSPOLL | \
4976 FIF_OTHER_BSS | \
4977 FIF_BCN_PRBRESP_PROMISC | \
4978 FIF_PROBE_REQ | \
4979 FIF_FCSFAIL)
4980
ath11k_mac_op_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)4981 static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw,
4982 unsigned int changed_flags,
4983 unsigned int *total_flags,
4984 u64 multicast)
4985 {
4986 struct ath11k *ar = hw->priv;
4987 bool reset_flag = false;
4988 int ret = 0;
4989
4990 mutex_lock(&ar->conf_mutex);
4991
4992 changed_flags &= SUPPORTED_FILTERS;
4993 *total_flags &= SUPPORTED_FILTERS;
4994 ar->filter_flags = *total_flags;
4995
4996 /* For monitor mode */
4997 reset_flag = !(ar->filter_flags & FIF_BCN_PRBRESP_PROMISC);
4998
4999 ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, reset_flag);
5000 if (!ret) {
5001 if (!reset_flag)
5002 set_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
5003 else
5004 clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
5005 } else {
5006 ath11k_warn(ar->ab,
5007 "fail to set monitor filter: %d\n", ret);
5008 }
5009 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
5010 "changed_flags:0x%x, total_flags:0x%x, reset_flag:%d\n",
5011 changed_flags, *total_flags, reset_flag);
5012
5013 mutex_unlock(&ar->conf_mutex);
5014 }
5015
ath11k_mac_op_get_antenna(struct ieee80211_hw * hw,u32 * tx_ant,u32 * rx_ant)5016 static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
5017 {
5018 struct ath11k *ar = hw->priv;
5019
5020 mutex_lock(&ar->conf_mutex);
5021
5022 *tx_ant = ar->cfg_tx_chainmask;
5023 *rx_ant = ar->cfg_rx_chainmask;
5024
5025 mutex_unlock(&ar->conf_mutex);
5026
5027 return 0;
5028 }
5029
ath11k_mac_op_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)5030 static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
5031 {
5032 struct ath11k *ar = hw->priv;
5033 int ret;
5034
5035 mutex_lock(&ar->conf_mutex);
5036 ret = __ath11k_set_antenna(ar, tx_ant, rx_ant);
5037 mutex_unlock(&ar->conf_mutex);
5038
5039 return ret;
5040 }
5041
ath11k_mac_op_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)5042 static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw,
5043 struct ieee80211_vif *vif,
5044 struct ieee80211_ampdu_params *params)
5045 {
5046 struct ath11k *ar = hw->priv;
5047 int ret = -EINVAL;
5048
5049 mutex_lock(&ar->conf_mutex);
5050
5051 switch (params->action) {
5052 case IEEE80211_AMPDU_RX_START:
5053 ret = ath11k_dp_rx_ampdu_start(ar, params);
5054 break;
5055 case IEEE80211_AMPDU_RX_STOP:
5056 ret = ath11k_dp_rx_ampdu_stop(ar, params);
5057 break;
5058 case IEEE80211_AMPDU_TX_START:
5059 case IEEE80211_AMPDU_TX_STOP_CONT:
5060 case IEEE80211_AMPDU_TX_STOP_FLUSH:
5061 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
5062 case IEEE80211_AMPDU_TX_OPERATIONAL:
5063 /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211
5064 * Tx aggregation requests.
5065 */
5066 ret = -EOPNOTSUPP;
5067 break;
5068 }
5069
5070 mutex_unlock(&ar->conf_mutex);
5071
5072 return ret;
5073 }
5074
ath11k_mac_op_add_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)5075 static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw,
5076 struct ieee80211_chanctx_conf *ctx)
5077 {
5078 struct ath11k *ar = hw->priv;
5079 struct ath11k_base *ab = ar->ab;
5080
5081 ath11k_dbg(ab, ATH11K_DBG_MAC,
5082 "mac chanctx add freq %u width %d ptr %pK\n",
5083 ctx->def.chan->center_freq, ctx->def.width, ctx);
5084
5085 mutex_lock(&ar->conf_mutex);
5086
5087 spin_lock_bh(&ar->data_lock);
5088 /* TODO: In case of multiple channel context, populate rx_channel from
5089 * Rx PPDU desc information.
5090 */
5091 ar->rx_channel = ctx->def.chan;
5092 spin_unlock_bh(&ar->data_lock);
5093
5094 mutex_unlock(&ar->conf_mutex);
5095
5096 return 0;
5097 }
5098
ath11k_mac_op_remove_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)5099 static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
5100 struct ieee80211_chanctx_conf *ctx)
5101 {
5102 struct ath11k *ar = hw->priv;
5103 struct ath11k_base *ab = ar->ab;
5104
5105 ath11k_dbg(ab, ATH11K_DBG_MAC,
5106 "mac chanctx remove freq %u width %d ptr %pK\n",
5107 ctx->def.chan->center_freq, ctx->def.width, ctx);
5108
5109 mutex_lock(&ar->conf_mutex);
5110
5111 spin_lock_bh(&ar->data_lock);
5112 /* TODO: In case of there is one more channel context left, populate
5113 * rx_channel with the channel of that remaining channel context.
5114 */
5115 ar->rx_channel = NULL;
5116 spin_unlock_bh(&ar->data_lock);
5117
5118 mutex_unlock(&ar->conf_mutex);
5119 }
5120
ath11k_mac_vdev_setup_sync(struct ath11k * ar)5121 static inline int ath11k_mac_vdev_setup_sync(struct ath11k *ar)
5122 {
5123 lockdep_assert_held(&ar->conf_mutex);
5124
5125 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
5126 return -ESHUTDOWN;
5127
5128 if (!wait_for_completion_timeout(&ar->vdev_setup_done,
5129 ATH11K_VDEV_SETUP_TIMEOUT_HZ))
5130 return -ETIMEDOUT;
5131
5132 return ar->last_wmi_vdev_start_status ? -EINVAL : 0;
5133 }
5134
5135 static int
ath11k_mac_vdev_start_restart(struct ath11k_vif * arvif,const struct cfg80211_chan_def * chandef,bool restart)5136 ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
5137 const struct cfg80211_chan_def *chandef,
5138 bool restart)
5139 {
5140 struct ath11k *ar = arvif->ar;
5141 struct ath11k_base *ab = ar->ab;
5142 struct wmi_vdev_start_req_arg arg = {};
5143 int he_support = arvif->vif->bss_conf.he_support;
5144 int ret = 0;
5145
5146 lockdep_assert_held(&ar->conf_mutex);
5147
5148 reinit_completion(&ar->vdev_setup_done);
5149
5150 arg.vdev_id = arvif->vdev_id;
5151 arg.dtim_period = arvif->dtim_period;
5152 arg.bcn_intval = arvif->beacon_interval;
5153
5154 arg.channel.freq = chandef->chan->center_freq;
5155 arg.channel.band_center_freq1 = chandef->center_freq1;
5156 arg.channel.band_center_freq2 = chandef->center_freq2;
5157 arg.channel.mode =
5158 ath11k_phymodes[chandef->chan->band][chandef->width];
5159
5160 arg.channel.min_power = 0;
5161 arg.channel.max_power = chandef->chan->max_power * 2;
5162 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
5163 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
5164
5165 arg.pref_tx_streams = ar->num_tx_chains;
5166 arg.pref_rx_streams = ar->num_rx_chains;
5167
5168 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
5169 arg.ssid = arvif->u.ap.ssid;
5170 arg.ssid_len = arvif->u.ap.ssid_len;
5171 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
5172
5173 /* For now allow DFS for AP mode */
5174 arg.channel.chan_radar =
5175 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
5176
5177 arg.channel.freq2_radar =
5178 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
5179
5180 arg.channel.passive = arg.channel.chan_radar;
5181
5182 spin_lock_bh(&ab->base_lock);
5183 arg.regdomain = ar->ab->dfs_region;
5184 spin_unlock_bh(&ab->base_lock);
5185
5186 if (he_support) {
5187 ret = ath11k_set_he_mu_sounding_mode(ar, arvif);
5188 if (ret) {
5189 ath11k_warn(ar->ab, "failed to set he mode vdev %i\n",
5190 arg.vdev_id);
5191 return ret;
5192 }
5193 }
5194 }
5195
5196 arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR);
5197
5198 ath11k_dbg(ab, ATH11K_DBG_MAC,
5199 "mac vdev %d start center_freq %d phymode %s\n",
5200 arg.vdev_id, arg.channel.freq,
5201 ath11k_wmi_phymode_str(arg.channel.mode));
5202
5203 ret = ath11k_wmi_vdev_start(ar, &arg, restart);
5204 if (ret) {
5205 ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n",
5206 restart ? "restart" : "start", arg.vdev_id);
5207 return ret;
5208 }
5209
5210 ret = ath11k_mac_vdev_setup_sync(ar);
5211 if (ret) {
5212 ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n",
5213 arg.vdev_id, restart ? "restart" : "start", ret);
5214 return ret;
5215 }
5216
5217 ar->num_started_vdevs++;
5218 ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n",
5219 arvif->vif->addr, arvif->vdev_id);
5220
5221 /* Enable CAC Flag in the driver by checking the channel DFS cac time,
5222 * i.e dfs_cac_ms value which will be valid only for radar channels
5223 * and state as NL80211_DFS_USABLE which indicates CAC needs to be
5224 * done before channel usage. This flags is used to drop rx packets.
5225 * during CAC.
5226 */
5227 /* TODO Set the flag for other interface types as required */
5228 if (arvif->vdev_type == WMI_VDEV_TYPE_AP &&
5229 chandef->chan->dfs_cac_ms &&
5230 chandef->chan->dfs_state == NL80211_DFS_USABLE) {
5231 set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
5232 ath11k_dbg(ab, ATH11K_DBG_MAC,
5233 "CAC Started in chan_freq %d for vdev %d\n",
5234 arg.channel.freq, arg.vdev_id);
5235 }
5236
5237 ret = ath11k_mac_set_txbf_conf(arvif);
5238 if (ret)
5239 ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n",
5240 arvif->vdev_id, ret);
5241
5242 return 0;
5243 }
5244
ath11k_mac_vdev_stop(struct ath11k_vif * arvif)5245 static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif)
5246 {
5247 struct ath11k *ar = arvif->ar;
5248 int ret;
5249
5250 lockdep_assert_held(&ar->conf_mutex);
5251
5252 reinit_completion(&ar->vdev_setup_done);
5253
5254 ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id);
5255 if (ret) {
5256 ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n",
5257 arvif->vdev_id, ret);
5258 goto err;
5259 }
5260
5261 ret = ath11k_mac_vdev_setup_sync(ar);
5262 if (ret) {
5263 ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n",
5264 arvif->vdev_id, ret);
5265 goto err;
5266 }
5267
5268 WARN_ON(ar->num_started_vdevs == 0);
5269
5270 ar->num_started_vdevs--;
5271 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",
5272 arvif->vif->addr, arvif->vdev_id);
5273
5274 if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {
5275 clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
5276 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n",
5277 arvif->vdev_id);
5278 }
5279
5280 return 0;
5281 err:
5282 return ret;
5283 }
5284
ath11k_mac_vdev_start(struct ath11k_vif * arvif,const struct cfg80211_chan_def * chandef)5285 static int ath11k_mac_vdev_start(struct ath11k_vif *arvif,
5286 const struct cfg80211_chan_def *chandef)
5287 {
5288 return ath11k_mac_vdev_start_restart(arvif, chandef, false);
5289 }
5290
ath11k_mac_vdev_restart(struct ath11k_vif * arvif,const struct cfg80211_chan_def * chandef)5291 static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif,
5292 const struct cfg80211_chan_def *chandef)
5293 {
5294 return ath11k_mac_vdev_start_restart(arvif, chandef, true);
5295 }
5296
5297 struct ath11k_mac_change_chanctx_arg {
5298 struct ieee80211_chanctx_conf *ctx;
5299 struct ieee80211_vif_chanctx_switch *vifs;
5300 int n_vifs;
5301 int next_vif;
5302 };
5303
5304 static void
ath11k_mac_change_chanctx_cnt_iter(void * data,u8 * mac,struct ieee80211_vif * vif)5305 ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
5306 struct ieee80211_vif *vif)
5307 {
5308 struct ath11k_mac_change_chanctx_arg *arg = data;
5309
5310 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
5311 return;
5312
5313 arg->n_vifs++;
5314 }
5315
5316 static void
ath11k_mac_change_chanctx_fill_iter(void * data,u8 * mac,struct ieee80211_vif * vif)5317 ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
5318 struct ieee80211_vif *vif)
5319 {
5320 struct ath11k_mac_change_chanctx_arg *arg = data;
5321 struct ieee80211_chanctx_conf *ctx;
5322
5323 ctx = rcu_access_pointer(vif->chanctx_conf);
5324 if (ctx != arg->ctx)
5325 return;
5326
5327 if (WARN_ON(arg->next_vif == arg->n_vifs))
5328 return;
5329
5330 arg->vifs[arg->next_vif].vif = vif;
5331 arg->vifs[arg->next_vif].old_ctx = ctx;
5332 arg->vifs[arg->next_vif].new_ctx = ctx;
5333 arg->next_vif++;
5334 }
5335
5336 static void
ath11k_mac_update_vif_chan(struct ath11k * ar,struct ieee80211_vif_chanctx_switch * vifs,int n_vifs)5337 ath11k_mac_update_vif_chan(struct ath11k *ar,
5338 struct ieee80211_vif_chanctx_switch *vifs,
5339 int n_vifs)
5340 {
5341 struct ath11k_base *ab = ar->ab;
5342 struct ath11k_vif *arvif;
5343 int ret;
5344 int i;
5345
5346 lockdep_assert_held(&ar->conf_mutex);
5347
5348 for (i = 0; i < n_vifs; i++) {
5349 arvif = (void *)vifs[i].vif->drv_priv;
5350
5351 ath11k_dbg(ab, ATH11K_DBG_MAC,
5352 "mac chanctx switch vdev_id %i freq %u->%u width %d->%d\n",
5353 arvif->vdev_id,
5354 vifs[i].old_ctx->def.chan->center_freq,
5355 vifs[i].new_ctx->def.chan->center_freq,
5356 vifs[i].old_ctx->def.width,
5357 vifs[i].new_ctx->def.width);
5358
5359 if (WARN_ON(!arvif->is_started))
5360 continue;
5361
5362 if (WARN_ON(!arvif->is_up))
5363 continue;
5364
5365 ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id);
5366 if (ret) {
5367 ath11k_warn(ab, "failed to down vdev %d: %d\n",
5368 arvif->vdev_id, ret);
5369 continue;
5370 }
5371 }
5372
5373 /* All relevant vdevs are downed and associated channel resources
5374 * should be available for the channel switch now.
5375 */
5376
5377 /* TODO: Update ar->rx_channel */
5378
5379 for (i = 0; i < n_vifs; i++) {
5380 arvif = (void *)vifs[i].vif->drv_priv;
5381
5382 if (WARN_ON(!arvif->is_started))
5383 continue;
5384
5385 if (WARN_ON(!arvif->is_up))
5386 continue;
5387
5388 ret = ath11k_mac_vdev_restart(arvif, &vifs[i].new_ctx->def);
5389 if (ret) {
5390 ath11k_warn(ab, "failed to restart vdev %d: %d\n",
5391 arvif->vdev_id, ret);
5392 continue;
5393 }
5394
5395 ret = ath11k_mac_setup_bcn_tmpl(arvif);
5396 if (ret)
5397 ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n",
5398 ret);
5399
5400 ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
5401 arvif->bssid);
5402 if (ret) {
5403 ath11k_warn(ab, "failed to bring vdev up %d: %d\n",
5404 arvif->vdev_id, ret);
5405 continue;
5406 }
5407 }
5408 }
5409
5410 static void
ath11k_mac_update_active_vif_chan(struct ath11k * ar,struct ieee80211_chanctx_conf * ctx)5411 ath11k_mac_update_active_vif_chan(struct ath11k *ar,
5412 struct ieee80211_chanctx_conf *ctx)
5413 {
5414 struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx };
5415
5416 lockdep_assert_held(&ar->conf_mutex);
5417
5418 ieee80211_iterate_active_interfaces_atomic(ar->hw,
5419 IEEE80211_IFACE_ITER_NORMAL,
5420 ath11k_mac_change_chanctx_cnt_iter,
5421 &arg);
5422 if (arg.n_vifs == 0)
5423 return;
5424
5425 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL);
5426 if (!arg.vifs)
5427 return;
5428
5429 ieee80211_iterate_active_interfaces_atomic(ar->hw,
5430 IEEE80211_IFACE_ITER_NORMAL,
5431 ath11k_mac_change_chanctx_fill_iter,
5432 &arg);
5433
5434 ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
5435
5436 kfree(arg.vifs);
5437 }
5438
ath11k_mac_op_change_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx,u32 changed)5439 static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw,
5440 struct ieee80211_chanctx_conf *ctx,
5441 u32 changed)
5442 {
5443 struct ath11k *ar = hw->priv;
5444 struct ath11k_base *ab = ar->ab;
5445
5446 mutex_lock(&ar->conf_mutex);
5447
5448 ath11k_dbg(ab, ATH11K_DBG_MAC,
5449 "mac chanctx change freq %u width %d ptr %pK changed %x\n",
5450 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
5451
5452 /* This shouldn't really happen because channel switching should use
5453 * switch_vif_chanctx().
5454 */
5455 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
5456 goto unlock;
5457
5458 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH)
5459 ath11k_mac_update_active_vif_chan(ar, ctx);
5460
5461 /* TODO: Recalc radar detection */
5462
5463 unlock:
5464 mutex_unlock(&ar->conf_mutex);
5465 }
5466
ath11k_start_vdev_delay(struct ieee80211_hw * hw,struct ieee80211_vif * vif)5467 static int ath11k_start_vdev_delay(struct ieee80211_hw *hw,
5468 struct ieee80211_vif *vif)
5469 {
5470 struct ath11k *ar = hw->priv;
5471 struct ath11k_base *ab = ar->ab;
5472 struct ath11k_vif *arvif = (void *)vif->drv_priv;
5473 int ret;
5474
5475 if (WARN_ON(arvif->is_started))
5476 return -EBUSY;
5477
5478 ret = ath11k_mac_vdev_start(arvif, &arvif->chanctx.def);
5479 if (ret) {
5480 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
5481 arvif->vdev_id, vif->addr,
5482 arvif->chanctx.def.chan->center_freq, ret);
5483 return ret;
5484 }
5485
5486 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
5487 ret = ath11k_monitor_vdev_up(ar, arvif->vdev_id);
5488 if (ret) {
5489 ath11k_warn(ab, "failed put monitor up: %d\n", ret);
5490 return ret;
5491 }
5492 }
5493
5494 arvif->is_started = true;
5495
5496 /* TODO: Setup ps and cts/rts protection */
5497 return 0;
5498 }
5499
5500 static int
ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_chanctx_conf * ctx)5501 ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
5502 struct ieee80211_vif *vif,
5503 struct ieee80211_chanctx_conf *ctx)
5504 {
5505 struct ath11k *ar = hw->priv;
5506 struct ath11k_base *ab = ar->ab;
5507 struct ath11k_vif *arvif = (void *)vif->drv_priv;
5508 int ret;
5509 struct peer_create_params param;
5510
5511 mutex_lock(&ar->conf_mutex);
5512
5513 ath11k_dbg(ab, ATH11K_DBG_MAC,
5514 "mac chanctx assign ptr %pK vdev_id %i\n",
5515 ctx, arvif->vdev_id);
5516
5517 /* for QCA6390 bss peer must be created before vdev_start */
5518 if (ab->hw_params.vdev_start_delay &&
5519 arvif->vdev_type != WMI_VDEV_TYPE_AP &&
5520 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
5521 !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) {
5522 memcpy(&arvif->chanctx, ctx, sizeof(*ctx));
5523 ret = 0;
5524 goto out;
5525 }
5526
5527 if (WARN_ON(arvif->is_started)) {
5528 ret = -EBUSY;
5529 goto out;
5530 }
5531
5532 if (ab->hw_params.vdev_start_delay &&
5533 arvif->vdev_type != WMI_VDEV_TYPE_AP &&
5534 arvif->vdev_type != WMI_VDEV_TYPE_MONITOR) {
5535 param.vdev_id = arvif->vdev_id;
5536 param.peer_type = WMI_PEER_TYPE_DEFAULT;
5537 param.peer_addr = ar->mac_addr;
5538
5539 ret = ath11k_peer_create(ar, arvif, NULL, ¶m);
5540 if (ret) {
5541 ath11k_warn(ab, "failed to create peer after vdev start delay: %d",
5542 ret);
5543 goto out;
5544 }
5545 }
5546
5547 ret = ath11k_mac_vdev_start(arvif, &ctx->def);
5548 if (ret) {
5549 ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n",
5550 arvif->vdev_id, vif->addr,
5551 ctx->def.chan->center_freq, ret);
5552 goto out;
5553 }
5554 if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) {
5555 ret = ath11k_monitor_vdev_up(ar, arvif->vdev_id);
5556 if (ret)
5557 goto out;
5558 }
5559
5560 arvif->is_started = true;
5561
5562 /* TODO: Setup ps and cts/rts protection */
5563
5564 ret = 0;
5565
5566 out:
5567 mutex_unlock(&ar->conf_mutex);
5568
5569 return ret;
5570 }
5571
5572 static void
ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_chanctx_conf * ctx)5573 ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
5574 struct ieee80211_vif *vif,
5575 struct ieee80211_chanctx_conf *ctx)
5576 {
5577 struct ath11k *ar = hw->priv;
5578 struct ath11k_base *ab = ar->ab;
5579 struct ath11k_vif *arvif = (void *)vif->drv_priv;
5580 int ret;
5581
5582 mutex_lock(&ar->conf_mutex);
5583
5584 ath11k_dbg(ab, ATH11K_DBG_MAC,
5585 "mac chanctx unassign ptr %pK vdev_id %i\n",
5586 ctx, arvif->vdev_id);
5587
5588 WARN_ON(!arvif->is_started);
5589
5590 if (ab->hw_params.vdev_start_delay &&
5591 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR &&
5592 ath11k_peer_find_by_addr(ab, ar->mac_addr))
5593 ath11k_peer_delete(ar, arvif->vdev_id, ar->mac_addr);
5594
5595 ret = ath11k_mac_vdev_stop(arvif);
5596 if (ret)
5597 ath11k_warn(ab, "failed to stop vdev %i: %d\n",
5598 arvif->vdev_id, ret);
5599
5600 arvif->is_started = false;
5601
5602 if (ab->hw_params.vdev_start_delay &&
5603 arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
5604 ath11k_wmi_vdev_down(ar, arvif->vdev_id);
5605
5606 mutex_unlock(&ar->conf_mutex);
5607 }
5608
5609 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)5610 ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
5611 struct ieee80211_vif_chanctx_switch *vifs,
5612 int n_vifs,
5613 enum ieee80211_chanctx_switch_mode mode)
5614 {
5615 struct ath11k *ar = hw->priv;
5616
5617 mutex_lock(&ar->conf_mutex);
5618
5619 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
5620 "mac chanctx switch n_vifs %d mode %d\n",
5621 n_vifs, mode);
5622 ath11k_mac_update_vif_chan(ar, vifs, n_vifs);
5623
5624 mutex_unlock(&ar->conf_mutex);
5625
5626 return 0;
5627 }
5628
5629 static int
ath11k_set_vdev_param_to_all_vifs(struct ath11k * ar,int param,u32 value)5630 ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value)
5631 {
5632 struct ath11k_vif *arvif;
5633 int ret = 0;
5634
5635 mutex_lock(&ar->conf_mutex);
5636 list_for_each_entry(arvif, &ar->arvifs, list) {
5637 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n",
5638 param, arvif->vdev_id, value);
5639
5640 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5641 param, value);
5642 if (ret) {
5643 ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n",
5644 param, arvif->vdev_id, ret);
5645 break;
5646 }
5647 }
5648 mutex_unlock(&ar->conf_mutex);
5649 return ret;
5650 }
5651
5652 /* mac80211 stores device specific RTS/Fragmentation threshold value,
5653 * this is set interface specific to firmware from ath11k driver
5654 */
ath11k_mac_op_set_rts_threshold(struct ieee80211_hw * hw,u32 value)5655 static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5656 {
5657 struct ath11k *ar = hw->priv;
5658 int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD;
5659
5660 return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value);
5661 }
5662
ath11k_mac_op_set_frag_threshold(struct ieee80211_hw * hw,u32 value)5663 static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
5664 {
5665 /* Even though there's a WMI vdev param for fragmentation threshold no
5666 * known firmware actually implements it. Moreover it is not possible to
5667 * rely frame fragmentation to mac80211 because firmware clears the
5668 * "more fragments" bit in frame control making it impossible for remote
5669 * devices to reassemble frames.
5670 *
5671 * Hence implement a dummy callback just to say fragmentation isn't
5672 * supported. This effectively prevents mac80211 from doing frame
5673 * fragmentation in software.
5674 */
5675 return -EOPNOTSUPP;
5676 }
5677
ath11k_mac_op_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)5678 static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5679 u32 queues, bool drop)
5680 {
5681 struct ath11k *ar = hw->priv;
5682 long time_left;
5683
5684 if (drop)
5685 return;
5686
5687 time_left = wait_event_timeout(ar->dp.tx_empty_waitq,
5688 (atomic_read(&ar->dp.num_tx_pending) == 0),
5689 ATH11K_FLUSH_TIMEOUT);
5690 if (time_left == 0)
5691 ath11k_warn(ar->ab, "failed to flush transmit queue %ld\n", time_left);
5692 }
5693
5694 static int
ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)5695 ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar,
5696 enum nl80211_band band,
5697 const struct cfg80211_bitrate_mask *mask)
5698 {
5699 int num_rates = 0;
5700 int i;
5701
5702 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5703 num_rates += hweight16(mask->control[band].ht_mcs[i]);
5704
5705 return num_rates;
5706 }
5707
5708 static bool
ath11k_mac_has_single_legacy_rate(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)5709 ath11k_mac_has_single_legacy_rate(struct ath11k *ar,
5710 enum nl80211_band band,
5711 const struct cfg80211_bitrate_mask *mask)
5712 {
5713 int num_rates = 0;
5714
5715 num_rates = hweight32(mask->control[band].legacy);
5716
5717 if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask))
5718 return false;
5719
5720 if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask))
5721 return false;
5722
5723 return num_rates == 1;
5724 }
5725
5726 static bool
ath11k_mac_bitrate_mask_get_single_nss(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask,int * nss)5727 ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar,
5728 enum nl80211_band band,
5729 const struct cfg80211_bitrate_mask *mask,
5730 int *nss)
5731 {
5732 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5733 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5734 u8 ht_nss_mask = 0;
5735 u8 vht_nss_mask = 0;
5736 int i;
5737
5738 /* No need to consider legacy here. Basic rates are always present
5739 * in bitrate mask
5740 */
5741
5742 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5743 if (mask->control[band].ht_mcs[i] == 0)
5744 continue;
5745 else if (mask->control[band].ht_mcs[i] ==
5746 sband->ht_cap.mcs.rx_mask[i])
5747 ht_nss_mask |= BIT(i);
5748 else
5749 return false;
5750 }
5751
5752 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5753 if (mask->control[band].vht_mcs[i] == 0)
5754 continue;
5755 else if (mask->control[band].vht_mcs[i] ==
5756 ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
5757 vht_nss_mask |= BIT(i);
5758 else
5759 return false;
5760 }
5761
5762 if (ht_nss_mask != vht_nss_mask)
5763 return false;
5764
5765 if (ht_nss_mask == 0)
5766 return false;
5767
5768 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
5769 return false;
5770
5771 *nss = fls(ht_nss_mask);
5772
5773 return true;
5774 }
5775
5776 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)5777 ath11k_mac_get_single_legacy_rate(struct ath11k *ar,
5778 enum nl80211_band band,
5779 const struct cfg80211_bitrate_mask *mask,
5780 u32 *rate, u8 *nss)
5781 {
5782 int rate_idx;
5783 u16 bitrate;
5784 u8 preamble;
5785 u8 hw_rate;
5786
5787 if (hweight32(mask->control[band].legacy) != 1)
5788 return -EINVAL;
5789
5790 rate_idx = ffs(mask->control[band].legacy) - 1;
5791
5792 if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ)
5793 rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX;
5794
5795 hw_rate = ath11k_legacy_rates[rate_idx].hw_value;
5796 bitrate = ath11k_legacy_rates[rate_idx].bitrate;
5797
5798 if (ath11k_mac_bitrate_is_cck(bitrate))
5799 preamble = WMI_RATE_PREAMBLE_CCK;
5800 else
5801 preamble = WMI_RATE_PREAMBLE_OFDM;
5802
5803 *nss = 1;
5804 *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble);
5805
5806 return 0;
5807 }
5808
ath11k_mac_set_fixed_rate_params(struct ath11k_vif * arvif,u32 rate,u8 nss,u8 sgi,u8 ldpc)5809 static int ath11k_mac_set_fixed_rate_params(struct ath11k_vif *arvif,
5810 u32 rate, u8 nss, u8 sgi, u8 ldpc)
5811 {
5812 struct ath11k *ar = arvif->ar;
5813 u32 vdev_param;
5814 int ret;
5815
5816 lockdep_assert_held(&ar->conf_mutex);
5817
5818 ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02x nss %u sgi %u\n",
5819 arvif->vdev_id, rate, nss, sgi);
5820
5821 vdev_param = WMI_VDEV_PARAM_FIXED_RATE;
5822 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5823 vdev_param, rate);
5824 if (ret) {
5825 ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n",
5826 rate, ret);
5827 return ret;
5828 }
5829
5830 vdev_param = WMI_VDEV_PARAM_NSS;
5831 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5832 vdev_param, nss);
5833 if (ret) {
5834 ath11k_warn(ar->ab, "failed to set nss param %d: %d\n",
5835 nss, ret);
5836 return ret;
5837 }
5838
5839 vdev_param = WMI_VDEV_PARAM_SGI;
5840 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5841 vdev_param, sgi);
5842 if (ret) {
5843 ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n",
5844 sgi, ret);
5845 return ret;
5846 }
5847
5848 vdev_param = WMI_VDEV_PARAM_LDPC;
5849 ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
5850 vdev_param, ldpc);
5851 if (ret) {
5852 ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n",
5853 ldpc, ret);
5854 return ret;
5855 }
5856
5857 return 0;
5858 }
5859
5860 static bool
ath11k_mac_vht_mcs_range_present(struct ath11k * ar,enum nl80211_band band,const struct cfg80211_bitrate_mask * mask)5861 ath11k_mac_vht_mcs_range_present(struct ath11k *ar,
5862 enum nl80211_band band,
5863 const struct cfg80211_bitrate_mask *mask)
5864 {
5865 int i;
5866 u16 vht_mcs;
5867
5868 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5869 vht_mcs = mask->control[band].vht_mcs[i];
5870
5871 switch (vht_mcs) {
5872 case 0:
5873 case BIT(8) - 1:
5874 case BIT(9) - 1:
5875 case BIT(10) - 1:
5876 break;
5877 default:
5878 return false;
5879 }
5880 }
5881
5882 return true;
5883 }
5884
ath11k_mac_set_bitrate_mask_iter(void * data,struct ieee80211_sta * sta)5885 static void ath11k_mac_set_bitrate_mask_iter(void *data,
5886 struct ieee80211_sta *sta)
5887 {
5888 struct ath11k_vif *arvif = data;
5889 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
5890 struct ath11k *ar = arvif->ar;
5891
5892 spin_lock_bh(&ar->data_lock);
5893 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
5894 spin_unlock_bh(&ar->data_lock);
5895
5896 ieee80211_queue_work(ar->hw, &arsta->update_wk);
5897 }
5898
ath11k_mac_disable_peer_fixed_rate(void * data,struct ieee80211_sta * sta)5899 static void ath11k_mac_disable_peer_fixed_rate(void *data,
5900 struct ieee80211_sta *sta)
5901 {
5902 struct ath11k_vif *arvif = data;
5903 struct ath11k *ar = arvif->ar;
5904 int ret;
5905
5906 ret = ath11k_wmi_set_peer_param(ar, sta->addr,
5907 arvif->vdev_id,
5908 WMI_PEER_PARAM_FIXED_RATE,
5909 WMI_FIXED_RATE_NONE);
5910 if (ret)
5911 ath11k_warn(ar->ab,
5912 "failed to disable peer fixed rate for STA %pM ret %d\n",
5913 sta->addr, ret);
5914 }
5915
5916 static int
ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)5917 ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
5918 struct ieee80211_vif *vif,
5919 const struct cfg80211_bitrate_mask *mask)
5920 {
5921 struct ath11k_vif *arvif = (void *)vif->drv_priv;
5922 struct cfg80211_chan_def def;
5923 struct ath11k *ar = arvif->ar;
5924 enum nl80211_band band;
5925 const u8 *ht_mcs_mask;
5926 const u16 *vht_mcs_mask;
5927 u32 rate;
5928 u8 nss;
5929 u8 sgi;
5930 u8 ldpc;
5931 int single_nss;
5932 int ret;
5933 int num_rates;
5934
5935 if (ath11k_mac_vif_chan(vif, &def))
5936 return -EPERM;
5937
5938 band = def.chan->band;
5939 ht_mcs_mask = mask->control[band].ht_mcs;
5940 vht_mcs_mask = mask->control[band].vht_mcs;
5941 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
5942
5943 sgi = mask->control[band].gi;
5944 if (sgi == NL80211_TXRATE_FORCE_LGI)
5945 return -EINVAL;
5946
5947 /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it
5948 * requires passing atleast one of used basic rates along with them.
5949 * Fixed rate setting across different preambles(legacy, HT, VHT) is
5950 * not supported by the FW. Hence use of FIXED_RATE vdev param is not
5951 * suitable for setting single HT/VHT rates.
5952 * But, there could be a single basic rate passed from userspace which
5953 * can be done through the FIXED_RATE param.
5954 */
5955 if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) {
5956 ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate,
5957 &nss);
5958 if (ret) {
5959 ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n",
5960 arvif->vdev_id, ret);
5961 return ret;
5962 }
5963 ieee80211_iterate_stations_atomic(ar->hw,
5964 ath11k_mac_disable_peer_fixed_rate,
5965 arvif);
5966 } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, band, mask,
5967 &single_nss)) {
5968 rate = WMI_FIXED_RATE_NONE;
5969 nss = single_nss;
5970 } else {
5971 rate = WMI_FIXED_RATE_NONE;
5972 nss = min_t(u32, ar->num_tx_chains,
5973 max(ath11k_mac_max_ht_nss(ht_mcs_mask),
5974 ath11k_mac_max_vht_nss(vht_mcs_mask)));
5975
5976 /* If multiple rates across different preambles are given
5977 * we can reconfigure this info with all peers using PEER_ASSOC
5978 * command with the below exception cases.
5979 * - Single VHT Rate : peer_assoc command accommodates only MCS
5980 * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211
5981 * mandates passing basic rates along with HT/VHT rates, FW
5982 * doesn't allow switching from VHT to Legacy. Hence instead of
5983 * setting legacy and VHT rates using RATEMASK_CMD vdev cmd,
5984 * we could set this VHT rate as peer fixed rate param, which
5985 * will override FIXED rate and FW rate control algorithm.
5986 * If single VHT rate is passed along with HT rates, we select
5987 * the VHT rate as fixed rate for vht peers.
5988 * - Multiple VHT Rates : When Multiple VHT rates are given,this
5989 * can be set using RATEMASK CMD which uses FW rate-ctl alg.
5990 * TODO: Setting multiple VHT MCS and replacing peer_assoc with
5991 * RATEMASK_CMDID can cover all use cases of setting rates
5992 * across multiple preambles and rates within same type.
5993 * But requires more validation of the command at this point.
5994 */
5995
5996 num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band,
5997 mask);
5998
5999 if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) &&
6000 num_rates > 1) {
6001 /* TODO: Handle multiple VHT MCS values setting using
6002 * RATEMASK CMD
6003 */
6004 ath11k_warn(ar->ab,
6005 "Setting more than one MCS Value in bitrate mask not supported\n");
6006 return -EINVAL;
6007 }
6008
6009 ieee80211_iterate_stations_atomic(ar->hw,
6010 ath11k_mac_disable_peer_fixed_rate,
6011 arvif);
6012
6013 mutex_lock(&ar->conf_mutex);
6014
6015 arvif->bitrate_mask = *mask;
6016 ieee80211_iterate_stations_atomic(ar->hw,
6017 ath11k_mac_set_bitrate_mask_iter,
6018 arvif);
6019
6020 mutex_unlock(&ar->conf_mutex);
6021 }
6022
6023 mutex_lock(&ar->conf_mutex);
6024
6025 ret = ath11k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6026 if (ret) {
6027 ath11k_warn(ar->ab, "failed to set fixed rate params on vdev %i: %d\n",
6028 arvif->vdev_id, ret);
6029 }
6030
6031 mutex_unlock(&ar->conf_mutex);
6032
6033 return ret;
6034 }
6035
6036 static void
ath11k_mac_op_reconfig_complete(struct ieee80211_hw * hw,enum ieee80211_reconfig_type reconfig_type)6037 ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw,
6038 enum ieee80211_reconfig_type reconfig_type)
6039 {
6040 struct ath11k *ar = hw->priv;
6041
6042 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
6043 return;
6044
6045 mutex_lock(&ar->conf_mutex);
6046
6047 if (ar->state == ATH11K_STATE_RESTARTED) {
6048 ath11k_warn(ar->ab, "pdev %d successfully recovered\n",
6049 ar->pdev->pdev_id);
6050 ar->state = ATH11K_STATE_ON;
6051 ieee80211_wake_queues(ar->hw);
6052 }
6053
6054 mutex_unlock(&ar->conf_mutex);
6055 }
6056
6057 static void
ath11k_mac_update_bss_chan_survey(struct ath11k * ar,struct ieee80211_channel * channel)6058 ath11k_mac_update_bss_chan_survey(struct ath11k *ar,
6059 struct ieee80211_channel *channel)
6060 {
6061 int ret;
6062 enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ;
6063
6064 lockdep_assert_held(&ar->conf_mutex);
6065
6066 if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) ||
6067 ar->rx_channel != channel)
6068 return;
6069
6070 if (ar->scan.state != ATH11K_SCAN_IDLE) {
6071 ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
6072 "ignoring bss chan info req while scanning..\n");
6073 return;
6074 }
6075
6076 reinit_completion(&ar->bss_survey_done);
6077
6078 ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type);
6079 if (ret) {
6080 ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n");
6081 return;
6082 }
6083
6084 ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);
6085 if (ret == 0)
6086 ath11k_warn(ar->ab, "bss channel survey timed out\n");
6087 }
6088
ath11k_mac_op_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)6089 static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx,
6090 struct survey_info *survey)
6091 {
6092 struct ath11k *ar = hw->priv;
6093 struct ieee80211_supported_band *sband;
6094 struct survey_info *ar_survey;
6095 int ret = 0;
6096
6097 if (idx >= ATH11K_NUM_CHANS)
6098 return -ENOENT;
6099
6100 ar_survey = &ar->survey[idx];
6101
6102 mutex_lock(&ar->conf_mutex);
6103
6104 sband = hw->wiphy->bands[NL80211_BAND_2GHZ];
6105 if (sband && idx >= sband->n_channels) {
6106 idx -= sband->n_channels;
6107 sband = NULL;
6108 }
6109
6110 if (!sband)
6111 sband = hw->wiphy->bands[NL80211_BAND_5GHZ];
6112
6113 if (!sband || idx >= sband->n_channels) {
6114 ret = -ENOENT;
6115 goto exit;
6116 }
6117
6118 ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]);
6119
6120 spin_lock_bh(&ar->data_lock);
6121 memcpy(survey, ar_survey, sizeof(*survey));
6122 spin_unlock_bh(&ar->data_lock);
6123
6124 survey->channel = &sband->channels[idx];
6125
6126 if (ar->rx_channel == survey->channel)
6127 survey->filled |= SURVEY_INFO_IN_USE;
6128
6129 exit:
6130 mutex_unlock(&ar->conf_mutex);
6131 return ret;
6132 }
6133
ath11k_mac_op_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)6134 static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw,
6135 struct ieee80211_vif *vif,
6136 struct ieee80211_sta *sta,
6137 struct station_info *sinfo)
6138 {
6139 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
6140
6141 sinfo->rx_duration = arsta->rx_duration;
6142 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
6143
6144 sinfo->tx_duration = arsta->tx_duration;
6145 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
6146
6147 if (!arsta->txrate.legacy && !arsta->txrate.nss)
6148 return;
6149
6150 if (arsta->txrate.legacy) {
6151 sinfo->txrate.legacy = arsta->txrate.legacy;
6152 } else {
6153 sinfo->txrate.mcs = arsta->txrate.mcs;
6154 sinfo->txrate.nss = arsta->txrate.nss;
6155 sinfo->txrate.bw = arsta->txrate.bw;
6156 sinfo->txrate.he_gi = arsta->txrate.he_gi;
6157 sinfo->txrate.he_dcm = arsta->txrate.he_dcm;
6158 sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc;
6159 }
6160 sinfo->txrate.flags = arsta->txrate.flags;
6161 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
6162
6163 /* TODO: Use real NF instead of default one. */
6164 sinfo->signal = arsta->rssi_comb + ATH11K_DEFAULT_NOISE_FLOOR;
6165 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
6166 }
6167
6168 static const struct ieee80211_ops ath11k_ops = {
6169 .tx = ath11k_mac_op_tx,
6170 .start = ath11k_mac_op_start,
6171 .stop = ath11k_mac_op_stop,
6172 .reconfig_complete = ath11k_mac_op_reconfig_complete,
6173 .add_interface = ath11k_mac_op_add_interface,
6174 .remove_interface = ath11k_mac_op_remove_interface,
6175 .update_vif_offload = ath11k_mac_op_update_vif_offload,
6176 .config = ath11k_mac_op_config,
6177 .bss_info_changed = ath11k_mac_op_bss_info_changed,
6178 .configure_filter = ath11k_mac_op_configure_filter,
6179 .hw_scan = ath11k_mac_op_hw_scan,
6180 .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan,
6181 .set_key = ath11k_mac_op_set_key,
6182 .sta_state = ath11k_mac_op_sta_state,
6183 .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr,
6184 .sta_rc_update = ath11k_mac_op_sta_rc_update,
6185 .conf_tx = ath11k_mac_op_conf_tx,
6186 .set_antenna = ath11k_mac_op_set_antenna,
6187 .get_antenna = ath11k_mac_op_get_antenna,
6188 .ampdu_action = ath11k_mac_op_ampdu_action,
6189 .add_chanctx = ath11k_mac_op_add_chanctx,
6190 .remove_chanctx = ath11k_mac_op_remove_chanctx,
6191 .change_chanctx = ath11k_mac_op_change_chanctx,
6192 .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx,
6193 .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx,
6194 .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx,
6195 .set_rts_threshold = ath11k_mac_op_set_rts_threshold,
6196 .set_frag_threshold = ath11k_mac_op_set_frag_threshold,
6197 .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask,
6198 .get_survey = ath11k_mac_op_get_survey,
6199 .flush = ath11k_mac_op_flush,
6200 .sta_statistics = ath11k_mac_op_sta_statistics,
6201 CFG80211_TESTMODE_CMD(ath11k_tm_cmd)
6202 #ifdef CONFIG_ATH11K_DEBUGFS
6203 .sta_add_debugfs = ath11k_debugfs_sta_op_add,
6204 #endif
6205 };
6206
ath11k_mac_update_ch_list(struct ath11k * ar,struct ieee80211_supported_band * band,u32 freq_low,u32 freq_high)6207 static void ath11k_mac_update_ch_list(struct ath11k *ar,
6208 struct ieee80211_supported_band *band,
6209 u32 freq_low, u32 freq_high)
6210 {
6211 int i;
6212
6213 if (!(freq_low && freq_high))
6214 return;
6215
6216 for (i = 0; i < band->n_channels; i++) {
6217 if (band->channels[i].center_freq < freq_low ||
6218 band->channels[i].center_freq > freq_high)
6219 band->channels[i].flags |= IEEE80211_CHAN_DISABLED;
6220 }
6221 }
6222
ath11k_get_phy_id(struct ath11k * ar,u32 band)6223 static u32 ath11k_get_phy_id(struct ath11k *ar, u32 band)
6224 {
6225 struct ath11k_pdev *pdev = ar->pdev;
6226 struct ath11k_pdev_cap *pdev_cap = &pdev->cap;
6227
6228 if (band == WMI_HOST_WLAN_2G_CAP)
6229 return pdev_cap->band[NL80211_BAND_2GHZ].phy_id;
6230
6231 if (band == WMI_HOST_WLAN_5G_CAP)
6232 return pdev_cap->band[NL80211_BAND_5GHZ].phy_id;
6233
6234 ath11k_warn(ar->ab, "unsupported phy cap:%d\n", band);
6235
6236 return 0;
6237 }
6238
ath11k_mac_setup_channels_rates(struct ath11k * ar,u32 supported_bands)6239 static int ath11k_mac_setup_channels_rates(struct ath11k *ar,
6240 u32 supported_bands)
6241 {
6242 struct ieee80211_supported_band *band;
6243 struct ath11k_hal_reg_capabilities_ext *reg_cap;
6244 void *channels;
6245 u32 phy_id;
6246
6247 BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) +
6248 ARRAY_SIZE(ath11k_5ghz_channels) +
6249 ARRAY_SIZE(ath11k_6ghz_channels)) !=
6250 ATH11K_NUM_CHANS);
6251
6252 reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx];
6253
6254 if (supported_bands & WMI_HOST_WLAN_2G_CAP) {
6255 channels = kmemdup(ath11k_2ghz_channels,
6256 sizeof(ath11k_2ghz_channels),
6257 GFP_KERNEL);
6258 if (!channels)
6259 return -ENOMEM;
6260
6261 band = &ar->mac.sbands[NL80211_BAND_2GHZ];
6262 band->band = NL80211_BAND_2GHZ;
6263 band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels);
6264 band->channels = channels;
6265 band->n_bitrates = ath11k_g_rates_size;
6266 band->bitrates = ath11k_g_rates;
6267 ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
6268
6269 if (ar->ab->hw_params.single_pdev_only) {
6270 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP);
6271 reg_cap = &ar->ab->hal_reg_cap[phy_id];
6272 }
6273 ath11k_mac_update_ch_list(ar, band,
6274 reg_cap->low_2ghz_chan,
6275 reg_cap->high_2ghz_chan);
6276 }
6277
6278 if (supported_bands & WMI_HOST_WLAN_5G_CAP) {
6279 if (reg_cap->high_5ghz_chan >= ATH11K_MAX_6G_FREQ) {
6280 channels = kmemdup(ath11k_6ghz_channels,
6281 sizeof(ath11k_6ghz_channels), GFP_KERNEL);
6282 if (!channels) {
6283 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
6284 return -ENOMEM;
6285 }
6286
6287 ar->supports_6ghz = true;
6288 band = &ar->mac.sbands[NL80211_BAND_6GHZ];
6289 band->band = NL80211_BAND_6GHZ;
6290 band->n_channels = ARRAY_SIZE(ath11k_6ghz_channels);
6291 band->channels = channels;
6292 band->n_bitrates = ath11k_a_rates_size;
6293 band->bitrates = ath11k_a_rates;
6294 ar->hw->wiphy->bands[NL80211_BAND_6GHZ] = band;
6295 ath11k_mac_update_ch_list(ar, band,
6296 reg_cap->low_5ghz_chan,
6297 reg_cap->high_5ghz_chan);
6298 }
6299
6300 if (reg_cap->low_5ghz_chan < ATH11K_MIN_6G_FREQ) {
6301 channels = kmemdup(ath11k_5ghz_channels,
6302 sizeof(ath11k_5ghz_channels),
6303 GFP_KERNEL);
6304 if (!channels) {
6305 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
6306 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
6307 return -ENOMEM;
6308 }
6309
6310 band = &ar->mac.sbands[NL80211_BAND_5GHZ];
6311 band->band = NL80211_BAND_5GHZ;
6312 band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels);
6313 band->channels = channels;
6314 band->n_bitrates = ath11k_a_rates_size;
6315 band->bitrates = ath11k_a_rates;
6316 ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
6317
6318 if (ar->ab->hw_params.single_pdev_only) {
6319 phy_id = ath11k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP);
6320 reg_cap = &ar->ab->hal_reg_cap[phy_id];
6321 }
6322
6323 ath11k_mac_update_ch_list(ar, band,
6324 reg_cap->low_5ghz_chan,
6325 reg_cap->high_5ghz_chan);
6326 }
6327 }
6328
6329 return 0;
6330 }
6331
ath11k_mac_setup_iface_combinations(struct ath11k * ar)6332 static int ath11k_mac_setup_iface_combinations(struct ath11k *ar)
6333 {
6334 struct ath11k_base *ab = ar->ab;
6335 struct ieee80211_iface_combination *combinations;
6336 struct ieee80211_iface_limit *limits;
6337 int n_limits;
6338
6339 combinations = kzalloc(sizeof(*combinations), GFP_KERNEL);
6340 if (!combinations)
6341 return -ENOMEM;
6342
6343 n_limits = 2;
6344
6345 limits = kcalloc(n_limits, sizeof(*limits), GFP_KERNEL);
6346 if (!limits) {
6347 kfree(combinations);
6348 return -ENOMEM;
6349 }
6350
6351 limits[0].max = 1;
6352 limits[0].types |= BIT(NL80211_IFTYPE_STATION);
6353
6354 limits[1].max = 16;
6355 limits[1].types |= BIT(NL80211_IFTYPE_AP);
6356
6357 if (IS_ENABLED(CONFIG_MAC80211_MESH) &&
6358 ab->hw_params.interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))
6359 limits[1].types |= BIT(NL80211_IFTYPE_MESH_POINT);
6360
6361 combinations[0].limits = limits;
6362 combinations[0].n_limits = n_limits;
6363 combinations[0].max_interfaces = 16;
6364 combinations[0].num_different_channels = 1;
6365 combinations[0].beacon_int_infra_match = true;
6366 combinations[0].beacon_int_min_gcd = 100;
6367 combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6368 BIT(NL80211_CHAN_WIDTH_20) |
6369 BIT(NL80211_CHAN_WIDTH_40) |
6370 BIT(NL80211_CHAN_WIDTH_80);
6371
6372 ar->hw->wiphy->iface_combinations = combinations;
6373 ar->hw->wiphy->n_iface_combinations = 1;
6374
6375 return 0;
6376 }
6377
6378 static const u8 ath11k_if_types_ext_capa[] = {
6379 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
6380 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
6381 };
6382
6383 static const u8 ath11k_if_types_ext_capa_sta[] = {
6384 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
6385 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
6386 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
6387 };
6388
6389 static const u8 ath11k_if_types_ext_capa_ap[] = {
6390 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
6391 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
6392 [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT,
6393 };
6394
6395 static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = {
6396 {
6397 .extended_capabilities = ath11k_if_types_ext_capa,
6398 .extended_capabilities_mask = ath11k_if_types_ext_capa,
6399 .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa),
6400 }, {
6401 .iftype = NL80211_IFTYPE_STATION,
6402 .extended_capabilities = ath11k_if_types_ext_capa_sta,
6403 .extended_capabilities_mask = ath11k_if_types_ext_capa_sta,
6404 .extended_capabilities_len =
6405 sizeof(ath11k_if_types_ext_capa_sta),
6406 }, {
6407 .iftype = NL80211_IFTYPE_AP,
6408 .extended_capabilities = ath11k_if_types_ext_capa_ap,
6409 .extended_capabilities_mask = ath11k_if_types_ext_capa_ap,
6410 .extended_capabilities_len =
6411 sizeof(ath11k_if_types_ext_capa_ap),
6412 },
6413 };
6414
__ath11k_mac_unregister(struct ath11k * ar)6415 static void __ath11k_mac_unregister(struct ath11k *ar)
6416 {
6417 cancel_work_sync(&ar->regd_update_work);
6418
6419 ieee80211_unregister_hw(ar->hw);
6420
6421 idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar);
6422 idr_destroy(&ar->txmgmt_idr);
6423
6424 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
6425 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
6426 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
6427
6428 kfree(ar->hw->wiphy->iface_combinations[0].limits);
6429 kfree(ar->hw->wiphy->iface_combinations);
6430
6431 SET_IEEE80211_DEV(ar->hw, NULL);
6432 }
6433
ath11k_mac_unregister(struct ath11k_base * ab)6434 void ath11k_mac_unregister(struct ath11k_base *ab)
6435 {
6436 struct ath11k *ar;
6437 struct ath11k_pdev *pdev;
6438 int i;
6439
6440 for (i = 0; i < ab->num_radios; i++) {
6441 pdev = &ab->pdevs[i];
6442 ar = pdev->ar;
6443 if (!ar)
6444 continue;
6445
6446 __ath11k_mac_unregister(ar);
6447 }
6448 }
6449
__ath11k_mac_register(struct ath11k * ar)6450 static int __ath11k_mac_register(struct ath11k *ar)
6451 {
6452 struct ath11k_base *ab = ar->ab;
6453 struct ath11k_pdev_cap *cap = &ar->pdev->cap;
6454 static const u32 cipher_suites[] = {
6455 WLAN_CIPHER_SUITE_TKIP,
6456 WLAN_CIPHER_SUITE_CCMP,
6457 WLAN_CIPHER_SUITE_AES_CMAC,
6458 WLAN_CIPHER_SUITE_BIP_CMAC_256,
6459 WLAN_CIPHER_SUITE_BIP_GMAC_128,
6460 WLAN_CIPHER_SUITE_BIP_GMAC_256,
6461 WLAN_CIPHER_SUITE_GCMP,
6462 WLAN_CIPHER_SUITE_GCMP_256,
6463 WLAN_CIPHER_SUITE_CCMP_256,
6464 };
6465 int ret;
6466 u32 ht_cap = 0;
6467
6468 ath11k_pdev_caps_update(ar);
6469
6470 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
6471
6472 SET_IEEE80211_DEV(ar->hw, ab->dev);
6473
6474 ret = ath11k_mac_setup_channels_rates(ar,
6475 cap->supported_bands);
6476 if (ret)
6477 goto err;
6478
6479 ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap);
6480 ath11k_mac_setup_he_cap(ar, cap);
6481
6482 ret = ath11k_mac_setup_iface_combinations(ar);
6483 if (ret) {
6484 ath11k_err(ar->ab, "failed to setup interface combinations: %d\n", ret);
6485 goto err_free_channels;
6486 }
6487
6488 ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask;
6489 ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask;
6490
6491 ar->hw->wiphy->interface_modes = ab->hw_params.interface_modes;
6492
6493 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
6494 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
6495 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
6496 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
6497 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
6498 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
6499 ieee80211_hw_set(ar->hw, AP_LINK_PS);
6500 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
6501 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
6502 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
6503 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
6504 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
6505 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
6506 ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);
6507 ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);
6508 ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD);
6509 if (ht_cap & WMI_HT_CAP_ENABLED) {
6510 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
6511 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
6512 ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER);
6513 ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU);
6514 ieee80211_hw_set(ar->hw, USES_RSS);
6515 }
6516
6517 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
6518 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
6519
6520 /* TODO: Check if HT capability advertised from firmware is different
6521 * for each band for a dual band capable radio. It will be tricky to
6522 * handle it when the ht capability different for each band.
6523 */
6524 if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS)
6525 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
6526
6527 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
6528 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
6529
6530 ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL;
6531
6532 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
6533 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
6534 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
6535
6536 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
6537 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
6538 NL80211_FEATURE_AP_SCAN;
6539
6540 ar->max_num_stations = TARGET_NUM_STATIONS;
6541 ar->max_num_peers = TARGET_NUM_PEERS_PDEV;
6542
6543 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
6544
6545 ar->hw->queues = ATH11K_HW_MAX_QUEUES;
6546 ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN;
6547 ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1;
6548 ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
6549
6550 ar->hw->vif_data_size = sizeof(struct ath11k_vif);
6551 ar->hw->sta_data_size = sizeof(struct ath11k_sta);
6552
6553 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
6554 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);
6555
6556 ar->hw->wiphy->cipher_suites = cipher_suites;
6557 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
6558
6559 ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa;
6560 ar->hw->wiphy->num_iftype_ext_capab =
6561 ARRAY_SIZE(ath11k_iftypes_ext_capa);
6562
6563 if (ar->supports_6ghz) {
6564 wiphy_ext_feature_set(ar->hw->wiphy,
6565 NL80211_EXT_FEATURE_FILS_DISCOVERY);
6566 wiphy_ext_feature_set(ar->hw->wiphy,
6567 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
6568 }
6569
6570 ath11k_reg_init(ar);
6571
6572 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
6573 ar->hw->netdev_features = NETIF_F_HW_CSUM;
6574 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
6575 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
6576 }
6577
6578 ret = ieee80211_register_hw(ar->hw);
6579 if (ret) {
6580 ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret);
6581 goto err_free_if_combs;
6582 }
6583
6584 if (!ab->hw_params.supports_monitor)
6585 /* There's a race between calling ieee80211_register_hw()
6586 * and here where the monitor mode is enabled for a little
6587 * while. But that time is so short and in practise it make
6588 * a difference in real life.
6589 */
6590 ar->hw->wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MONITOR);
6591
6592 /* Apply the regd received during initialization */
6593 ret = ath11k_regd_update(ar, true);
6594 if (ret) {
6595 ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret);
6596 goto err_unregister_hw;
6597 }
6598
6599 ret = ath11k_debugfs_register(ar);
6600 if (ret) {
6601 ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret);
6602 goto err_unregister_hw;
6603 }
6604
6605 return 0;
6606
6607 err_unregister_hw:
6608 ieee80211_unregister_hw(ar->hw);
6609
6610 err_free_if_combs:
6611 kfree(ar->hw->wiphy->iface_combinations[0].limits);
6612 kfree(ar->hw->wiphy->iface_combinations);
6613
6614 err_free_channels:
6615 kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
6616 kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
6617 kfree(ar->mac.sbands[NL80211_BAND_6GHZ].channels);
6618
6619 err:
6620 SET_IEEE80211_DEV(ar->hw, NULL);
6621 return ret;
6622 }
6623
ath11k_mac_register(struct ath11k_base * ab)6624 int ath11k_mac_register(struct ath11k_base *ab)
6625 {
6626 struct ath11k *ar;
6627 struct ath11k_pdev *pdev;
6628 int i;
6629 int ret;
6630
6631 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
6632 return 0;
6633
6634 for (i = 0; i < ab->num_radios; i++) {
6635 pdev = &ab->pdevs[i];
6636 ar = pdev->ar;
6637 if (ab->pdevs_macaddr_valid) {
6638 ether_addr_copy(ar->mac_addr, pdev->mac_addr);
6639 } else {
6640 ether_addr_copy(ar->mac_addr, ab->mac_addr);
6641 ar->mac_addr[4] += i;
6642 }
6643
6644 ret = __ath11k_mac_register(ar);
6645 if (ret)
6646 goto err_cleanup;
6647
6648 idr_init(&ar->txmgmt_idr);
6649 spin_lock_init(&ar->txmgmt_idr_lock);
6650 }
6651
6652 /* Initialize channel counters frequency value in hertz */
6653 ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ;
6654 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
6655
6656 return 0;
6657
6658 err_cleanup:
6659 for (i = i - 1; i >= 0; i--) {
6660 pdev = &ab->pdevs[i];
6661 ar = pdev->ar;
6662 __ath11k_mac_unregister(ar);
6663 }
6664
6665 return ret;
6666 }
6667
ath11k_mac_allocate(struct ath11k_base * ab)6668 int ath11k_mac_allocate(struct ath11k_base *ab)
6669 {
6670 struct ieee80211_hw *hw;
6671 struct ath11k *ar;
6672 struct ath11k_pdev *pdev;
6673 int ret;
6674 int i;
6675
6676 if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
6677 return 0;
6678
6679 for (i = 0; i < ab->num_radios; i++) {
6680 pdev = &ab->pdevs[i];
6681 hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops);
6682 if (!hw) {
6683 ath11k_warn(ab, "failed to allocate mac80211 hw device\n");
6684 ret = -ENOMEM;
6685 goto err_free_mac;
6686 }
6687
6688 ar = hw->priv;
6689 ar->hw = hw;
6690 ar->ab = ab;
6691 ar->pdev = pdev;
6692 ar->pdev_idx = i;
6693 ar->lmac_id = ath11k_hw_get_mac_from_pdev_id(&ab->hw_params, i);
6694
6695 ar->wmi = &ab->wmi_ab.wmi[i];
6696 /* FIXME wmi[0] is already initialized during attach,
6697 * Should we do this again?
6698 */
6699 ath11k_wmi_pdev_attach(ab, i);
6700
6701 ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask;
6702 ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask;
6703 ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask);
6704 ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask);
6705
6706 pdev->ar = ar;
6707 spin_lock_init(&ar->data_lock);
6708 INIT_LIST_HEAD(&ar->arvifs);
6709 INIT_LIST_HEAD(&ar->ppdu_stats_info);
6710 mutex_init(&ar->conf_mutex);
6711 init_completion(&ar->vdev_setup_done);
6712 init_completion(&ar->vdev_delete_done);
6713 init_completion(&ar->peer_assoc_done);
6714 init_completion(&ar->peer_delete_done);
6715 init_completion(&ar->install_key_done);
6716 init_completion(&ar->bss_survey_done);
6717 init_completion(&ar->scan.started);
6718 init_completion(&ar->scan.completed);
6719 init_completion(&ar->thermal.wmi_sync);
6720
6721 INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work);
6722 INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work);
6723
6724 INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work);
6725 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
6726 clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags);
6727 }
6728
6729 return 0;
6730
6731 err_free_mac:
6732 ath11k_mac_destroy(ab);
6733
6734 return ret;
6735 }
6736
ath11k_mac_destroy(struct ath11k_base * ab)6737 void ath11k_mac_destroy(struct ath11k_base *ab)
6738 {
6739 struct ath11k *ar;
6740 struct ath11k_pdev *pdev;
6741 int i;
6742
6743 for (i = 0; i < ab->num_radios; i++) {
6744 pdev = &ab->pdevs[i];
6745 ar = pdev->ar;
6746 if (!ar)
6747 continue;
6748
6749 ieee80211_free_hw(ar->hw);
6750 pdev->ar = NULL;
6751 }
6752 }
6753
