blob: a8df65cc115f39c2a8e3671ac2253c31db815512 [file] [log] [blame]
developerb11a5392022-03-31 00:34:47 +08001// SPDX-License-Identifier: ISC
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#include <linux/etherdevice.h>
5#include <linux/timekeeping.h>
6#include "mt7915.h"
7#include "../dma.h"
8#include "mac.h"
9#include "mcu.h"
10
11#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
12
13#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f)
14#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\
15 IEEE80211_RADIOTAP_HE_##f)
16
17static const struct mt7915_dfs_radar_spec etsi_radar_specs = {
18 .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
19 .radar_pattern = {
20 [5] = { 1, 0, 6, 32, 28, 0, 990, 5010, 17, 1, 1 },
21 [6] = { 1, 0, 9, 32, 28, 0, 615, 5010, 27, 1, 1 },
22 [7] = { 1, 0, 15, 32, 28, 0, 240, 445, 27, 1, 1 },
23 [8] = { 1, 0, 12, 32, 28, 0, 240, 510, 42, 1, 1 },
24 [9] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 12, 32, 28, { }, 126 },
25 [10] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 15, 32, 24, { }, 126 },
26 [11] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 18, 32, 28, { }, 54 },
27 [12] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 27, 32, 24, { }, 54 },
28 },
29};
30
31static const struct mt7915_dfs_radar_spec fcc_radar_specs = {
32 .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
33 .radar_pattern = {
34 [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
35 [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
36 [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
37 [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
38 [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
39 },
40};
41
42static const struct mt7915_dfs_radar_spec jp_radar_specs = {
43 .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
44 .radar_pattern = {
45 [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
46 [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
47 [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
48 [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
49 [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
50 [13] = { 1, 0, 7, 32, 28, 0, 3836, 3856, 14, 1, 1 },
51 [14] = { 1, 0, 6, 32, 28, 0, 615, 5010, 110, 1, 1 },
52 [15] = { 1, 1, 0, 0, 0, 0, 15, 5010, 110, 0, 0, 12, 32, 28 },
53 },
54};
55
56static struct mt76_wcid *mt7915_rx_get_wcid(struct mt7915_dev *dev,
57 u16 idx, bool unicast)
58{
59 struct mt7915_sta *sta;
60 struct mt76_wcid *wcid;
61
62 if (idx >= ARRAY_SIZE(dev->mt76.wcid))
63 return NULL;
64
65 wcid = rcu_dereference(dev->mt76.wcid[idx]);
66 if (unicast || !wcid)
67 return wcid;
68
69 if (!wcid->sta)
70 return NULL;
71
72 sta = container_of(wcid, struct mt7915_sta, wcid);
73 if (!sta->vif)
74 return NULL;
75
76 return &sta->vif->sta.wcid;
77}
78
79void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
80{
81}
82
83bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask)
84{
85 mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
86 FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
87
88 return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
89 0, 5000);
90}
91
92u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid, u8 dw)
93{
94 mt76_wr(dev, MT_WTBLON_TOP_WDUCR,
95 FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7)));
96
97 return MT_WTBL_LMAC_OFFS(wcid, dw);
98}
99
100static void mt7915_mac_sta_poll(struct mt7915_dev *dev)
101{
102 static const u8 ac_to_tid[] = {
103 [IEEE80211_AC_BE] = 0,
104 [IEEE80211_AC_BK] = 1,
105 [IEEE80211_AC_VI] = 4,
106 [IEEE80211_AC_VO] = 6
107 };
108 struct ieee80211_sta *sta;
109 struct mt7915_sta *msta;
110 struct rate_info *rate;
111 u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
112 LIST_HEAD(sta_poll_list);
113 int i;
114
115 spin_lock_bh(&dev->sta_poll_lock);
116 list_splice_init(&dev->sta_poll_list, &sta_poll_list);
117 spin_unlock_bh(&dev->sta_poll_lock);
118
119 rcu_read_lock();
120
121 while (true) {
122 bool clear = false;
123 u32 addr, val;
124 u16 idx;
125 u8 bw;
126
127 spin_lock_bh(&dev->sta_poll_lock);
128 if (list_empty(&sta_poll_list)) {
129 spin_unlock_bh(&dev->sta_poll_lock);
130 break;
131 }
132 msta = list_first_entry(&sta_poll_list,
133 struct mt7915_sta, poll_list);
134 list_del_init(&msta->poll_list);
135 spin_unlock_bh(&dev->sta_poll_lock);
136
137 idx = msta->wcid.idx;
138 addr = mt7915_mac_wtbl_lmac_addr(dev, idx, 20);
139
140 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
141 u32 tx_last = msta->airtime_ac[i];
142 u32 rx_last = msta->airtime_ac[i + 4];
143
144 msta->airtime_ac[i] = mt76_rr(dev, addr);
145 msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4);
146
147 tx_time[i] = msta->airtime_ac[i] - tx_last;
148 rx_time[i] = msta->airtime_ac[i + 4] - rx_last;
149
150 if ((tx_last | rx_last) & BIT(30))
151 clear = true;
152
153 addr += 8;
154 }
155
156 if (clear) {
157 mt7915_mac_wtbl_update(dev, idx,
158 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
159 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
160 }
161
162 if (!msta->wcid.sta)
163 continue;
164
165 sta = container_of((void *)msta, struct ieee80211_sta,
166 drv_priv);
167 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
168 u8 q = mt76_connac_lmac_mapping(i);
169 u32 tx_cur = tx_time[q];
170 u32 rx_cur = rx_time[q];
171 u8 tid = ac_to_tid[i];
172
173 if (!tx_cur && !rx_cur)
174 continue;
175
176 ieee80211_sta_register_airtime(sta, tid, tx_cur,
177 rx_cur);
178 }
179
180 /*
181 * We don't support reading GI info from txs packets.
182 * For accurate tx status reporting and AQL improvement,
183 * we need to make sure that flags match so polling GI
184 * from per-sta counters directly.
185 */
186 rate = &msta->wcid.rate;
187 addr = mt7915_mac_wtbl_lmac_addr(dev, idx, 7);
188 val = mt76_rr(dev, addr);
189
190 switch (rate->bw) {
191 case RATE_INFO_BW_160:
192 bw = IEEE80211_STA_RX_BW_160;
193 break;
194 case RATE_INFO_BW_80:
195 bw = IEEE80211_STA_RX_BW_80;
196 break;
197 case RATE_INFO_BW_40:
198 bw = IEEE80211_STA_RX_BW_40;
199 break;
200 default:
201 bw = IEEE80211_STA_RX_BW_20;
202 break;
203 }
204
205 if (rate->flags & RATE_INFO_FLAGS_HE_MCS) {
206 u8 offs = 24 + 2 * bw;
207
208 rate->he_gi = (val & (0x3 << offs)) >> offs;
209 } else if (rate->flags &
210 (RATE_INFO_FLAGS_VHT_MCS | RATE_INFO_FLAGS_MCS)) {
211 if (val & BIT(12 + bw))
212 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
213 else
214 rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
215 }
216 }
217
218 rcu_read_unlock();
219}
220
221static void
222mt7915_mac_decode_he_radiotap_ru(struct mt76_rx_status *status,
223 struct ieee80211_radiotap_he *he,
224 __le32 *rxv)
225{
226 u32 ru_h, ru_l;
227 u8 ru, offs = 0;
228
229 ru_l = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC_L);
230 ru_h = le32_get_bits(rxv[1], MT_PRXV_HE_RU_ALLOC_H);
231 ru = (u8)(ru_l | ru_h << 4);
232
233 status->bw = RATE_INFO_BW_HE_RU;
234
235 switch (ru) {
236 case 0 ... 36:
237 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
238 offs = ru;
239 break;
240 case 37 ... 52:
241 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
242 offs = ru - 37;
243 break;
244 case 53 ... 60:
245 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
246 offs = ru - 53;
247 break;
248 case 61 ... 64:
249 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
250 offs = ru - 61;
251 break;
252 case 65 ... 66:
253 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
254 offs = ru - 65;
255 break;
256 case 67:
257 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
258 break;
259 case 68:
260 status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
261 break;
262 }
263
264 he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
265 he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) |
266 le16_encode_bits(offs,
267 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
268}
269
270static void
271mt7915_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv)
272{
273 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
274 static const struct ieee80211_radiotap_he_mu mu_known = {
275 .flags1 = HE_BITS(MU_FLAGS1_SIG_B_MCS_KNOWN) |
276 HE_BITS(MU_FLAGS1_SIG_B_DCM_KNOWN) |
277 HE_BITS(MU_FLAGS1_CH1_RU_KNOWN) |
278 HE_BITS(MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN),
279 .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
280 };
281 struct ieee80211_radiotap_he_mu *he_mu = NULL;
282
283 status->flag |= RX_FLAG_RADIOTAP_HE_MU;
284
285 he_mu = skb_push(skb, sizeof(mu_known));
286 memcpy(he_mu, &mu_known, sizeof(mu_known));
287
288#define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f)
289
290 he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_MCS, status->rate_idx);
291 if (status->he_dcm)
292 he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_DCM, status->he_dcm);
293
294 he_mu->flags2 |= MU_PREP(FLAGS2_BW_FROM_SIG_A_BW, status->bw) |
295 MU_PREP(FLAGS2_SIG_B_SYMS_USERS,
296 le32_get_bits(rxv[2], MT_CRXV_HE_NUM_USER));
297
298 he_mu->ru_ch1[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU0);
299
300 if (status->bw >= RATE_INFO_BW_40) {
301 he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN);
302 he_mu->ru_ch2[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU1);
303 }
304
305 if (status->bw >= RATE_INFO_BW_80) {
306 he_mu->ru_ch1[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU2);
307 he_mu->ru_ch2[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU3);
308 }
309}
310
311static void
312mt7915_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u32 mode)
313{
314 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
315 static const struct ieee80211_radiotap_he known = {
316 .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) |
317 HE_BITS(DATA1_DATA_DCM_KNOWN) |
318 HE_BITS(DATA1_STBC_KNOWN) |
319 HE_BITS(DATA1_CODING_KNOWN) |
320 HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
321 HE_BITS(DATA1_DOPPLER_KNOWN) |
322 HE_BITS(DATA1_SPTL_REUSE_KNOWN) |
323 HE_BITS(DATA1_BSS_COLOR_KNOWN),
324 .data2 = HE_BITS(DATA2_GI_KNOWN) |
325 HE_BITS(DATA2_TXBF_KNOWN) |
326 HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
327 HE_BITS(DATA2_TXOP_KNOWN),
328 };
329 struct ieee80211_radiotap_he *he = NULL;
330 u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1;
331
332 status->flag |= RX_FLAG_RADIOTAP_HE;
333
334 he = skb_push(skb, sizeof(known));
335 memcpy(he, &known, sizeof(known));
336
337 he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) |
338 HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]);
339 he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]);
340 he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) |
341 le16_encode_bits(ltf_size,
342 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
343 if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF)
344 he->data5 |= HE_BITS(DATA5_TXBF);
345 he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) |
346 HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]);
347
348 switch (mode) {
349 case MT_PHY_TYPE_HE_SU:
350 he->data1 |= HE_BITS(DATA1_FORMAT_SU) |
351 HE_BITS(DATA1_UL_DL_KNOWN) |
352 HE_BITS(DATA1_BEAM_CHANGE_KNOWN) |
353 HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
354
355 he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) |
356 HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
357 break;
358 case MT_PHY_TYPE_HE_EXT_SU:
359 he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) |
360 HE_BITS(DATA1_UL_DL_KNOWN) |
361 HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
362
363 he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
364 break;
365 case MT_PHY_TYPE_HE_MU:
366 he->data1 |= HE_BITS(DATA1_FORMAT_MU) |
367 HE_BITS(DATA1_UL_DL_KNOWN);
368
369 he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
370 he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]);
371
372 mt7915_mac_decode_he_radiotap_ru(status, he, rxv);
373 mt7915_mac_decode_he_mu_radiotap(skb, rxv);
374 break;
375 case MT_PHY_TYPE_HE_TB:
376 he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) |
377 HE_BITS(DATA1_SPTL_REUSE2_KNOWN) |
378 HE_BITS(DATA1_SPTL_REUSE3_KNOWN) |
379 HE_BITS(DATA1_SPTL_REUSE4_KNOWN);
380
381 he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) |
382 HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) |
383 HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) |
384 HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]);
385
386 mt7915_mac_decode_he_radiotap_ru(status, he, rxv);
387 break;
388 default:
389 break;
390 }
391}
392
393/* The HW does not translate the mac header to 802.3 for mesh point */
394static int mt7915_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap)
395{
396 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
397 struct ethhdr *eth_hdr = (struct ethhdr *)(skb->data + hdr_gap);
398 struct mt7915_sta *msta = (struct mt7915_sta *)status->wcid;
399 __le32 *rxd = (__le32 *)skb->data;
400 struct ieee80211_sta *sta;
401 struct ieee80211_vif *vif;
402 struct ieee80211_hdr hdr;
403 u16 frame_control;
404
405 if (le32_get_bits(rxd[3], MT_RXD3_NORMAL_ADDR_TYPE) !=
406 MT_RXD3_NORMAL_U2M)
407 return -EINVAL;
408
409 if (!(le32_to_cpu(rxd[1]) & MT_RXD1_NORMAL_GROUP_4))
410 return -EINVAL;
411
412 if (!msta || !msta->vif)
413 return -EINVAL;
414
415 sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
416 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
417
418 /* store the info from RXD and ethhdr to avoid being overridden */
419 frame_control = le32_get_bits(rxd[6], MT_RXD6_FRAME_CONTROL);
420 hdr.frame_control = cpu_to_le16(frame_control);
421 hdr.seq_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_SEQ_CTRL));
422 hdr.duration_id = 0;
423
424 ether_addr_copy(hdr.addr1, vif->addr);
425 ether_addr_copy(hdr.addr2, sta->addr);
426 switch (frame_control & (IEEE80211_FCTL_TODS |
427 IEEE80211_FCTL_FROMDS)) {
428 case 0:
429 ether_addr_copy(hdr.addr3, vif->bss_conf.bssid);
430 break;
431 case IEEE80211_FCTL_FROMDS:
432 ether_addr_copy(hdr.addr3, eth_hdr->h_source);
433 break;
434 case IEEE80211_FCTL_TODS:
435 ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
436 break;
437 case IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS:
438 ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
439 ether_addr_copy(hdr.addr4, eth_hdr->h_source);
440 break;
441 default:
442 break;
443 }
444
445 skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2);
446 if (eth_hdr->h_proto == cpu_to_be16(ETH_P_AARP) ||
447 eth_hdr->h_proto == cpu_to_be16(ETH_P_IPX))
448 ether_addr_copy(skb_push(skb, ETH_ALEN), bridge_tunnel_header);
449 else if (be16_to_cpu(eth_hdr->h_proto) >= ETH_P_802_3_MIN)
450 ether_addr_copy(skb_push(skb, ETH_ALEN), rfc1042_header);
451 else
452 skb_pull(skb, 2);
453
454 if (ieee80211_has_order(hdr.frame_control))
455 memcpy(skb_push(skb, IEEE80211_HT_CTL_LEN), &rxd[9],
456 IEEE80211_HT_CTL_LEN);
457 if (ieee80211_is_data_qos(hdr.frame_control)) {
458 __le16 qos_ctrl;
459
460 qos_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_QOS_CTL));
461 memcpy(skb_push(skb, IEEE80211_QOS_CTL_LEN), &qos_ctrl,
462 IEEE80211_QOS_CTL_LEN);
463 }
464
465 if (ieee80211_has_a4(hdr.frame_control))
466 memcpy(skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
467 else
468 memcpy(skb_push(skb, sizeof(hdr) - 6), &hdr, sizeof(hdr) - 6);
469
470 return 0;
471}
472
473static int
474mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
475 struct mt76_rx_status *status,
476 struct ieee80211_supported_band *sband,
477 __le32 *rxv)
478{
479 u32 v0, v2;
480 u8 stbc, gi, bw, dcm, mode, nss;
481 int i, idx;
482 bool cck = false;
483
484 v0 = le32_to_cpu(rxv[0]);
485 v2 = le32_to_cpu(rxv[2]);
486
487 idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0);
488 nss = FIELD_GET(MT_PRXV_NSTS, v0) + 1;
489
490 if (!is_mt7915(&dev->mt76)) {
491 stbc = FIELD_GET(MT_PRXV_HT_STBC, v0);
492 gi = FIELD_GET(MT_PRXV_HT_SHORT_GI, v0);
493 mode = FIELD_GET(MT_PRXV_TX_MODE, v0);
494 dcm = FIELD_GET(MT_PRXV_DCM, v0);
495 bw = FIELD_GET(MT_PRXV_FRAME_MODE, v0);
496 } else {
497 stbc = FIELD_GET(MT_CRXV_HT_STBC, v2);
498 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, v2);
499 mode = FIELD_GET(MT_CRXV_TX_MODE, v2);
500 dcm = !!(idx & GENMASK(3, 0) & MT_PRXV_TX_DCM);
501 bw = FIELD_GET(MT_CRXV_FRAME_MODE, v2);
502 }
503
504 switch (mode) {
505 case MT_PHY_TYPE_CCK:
506 cck = true;
507 fallthrough;
508 case MT_PHY_TYPE_OFDM:
509 i = mt76_get_rate(&dev->mt76, sband, i, cck);
510 break;
511 case MT_PHY_TYPE_HT_GF:
512 case MT_PHY_TYPE_HT:
513 status->encoding = RX_ENC_HT;
514 if (gi)
515 status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
516 if (i > 31)
517 return -EINVAL;
518 break;
519 case MT_PHY_TYPE_VHT:
520 status->nss = nss;
521 status->encoding = RX_ENC_VHT;
522 if (gi)
523 status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
524 if (i > 11)
525 return -EINVAL;
526 break;
527 case MT_PHY_TYPE_HE_MU:
528 case MT_PHY_TYPE_HE_SU:
529 case MT_PHY_TYPE_HE_EXT_SU:
530 case MT_PHY_TYPE_HE_TB:
531 status->nss = nss;
532 status->encoding = RX_ENC_HE;
533 i &= GENMASK(3, 0);
534
535 if (gi <= NL80211_RATE_INFO_HE_GI_3_2)
536 status->he_gi = gi;
537
538 status->he_dcm = dcm;
539 break;
540 default:
541 return -EINVAL;
542 }
543 status->rate_idx = i;
544
545 switch (bw) {
546 case IEEE80211_STA_RX_BW_20:
547 break;
548 case IEEE80211_STA_RX_BW_40:
549 if (mode & MT_PHY_TYPE_HE_EXT_SU &&
550 (idx & MT_PRXV_TX_ER_SU_106T)) {
551 status->bw = RATE_INFO_BW_HE_RU;
552 status->he_ru =
553 NL80211_RATE_INFO_HE_RU_ALLOC_106;
554 } else {
555 status->bw = RATE_INFO_BW_40;
556 }
557 break;
558 case IEEE80211_STA_RX_BW_80:
559 status->bw = RATE_INFO_BW_80;
560 break;
561 case IEEE80211_STA_RX_BW_160:
562 status->bw = RATE_INFO_BW_160;
563 break;
564 default:
565 return -EINVAL;
566 }
567
568 status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc;
569 if (mode < MT_PHY_TYPE_HE_SU && gi)
570 status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
571
572 return 0;
573}
574
575static int
576mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
577{
578 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
579 struct mt76_phy *mphy = &dev->mt76.phy;
580 struct mt7915_phy *phy = &dev->phy;
581 struct ieee80211_supported_band *sband;
582 __le32 *rxd = (__le32 *)skb->data;
583 __le32 *rxv = NULL;
584 u32 mode = 0;
585 u32 rxd0 = le32_to_cpu(rxd[0]);
586 u32 rxd1 = le32_to_cpu(rxd[1]);
587 u32 rxd2 = le32_to_cpu(rxd[2]);
588 u32 rxd3 = le32_to_cpu(rxd[3]);
589 u32 rxd4 = le32_to_cpu(rxd[4]);
590 u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
591 bool unicast, insert_ccmp_hdr = false;
592 u8 remove_pad, amsdu_info;
593 bool hdr_trans;
594 u16 hdr_gap;
595 u16 seq_ctrl = 0;
596 u8 qos_ctl = 0;
597 __le16 fc = 0;
598 int idx;
599
600 memset(status, 0, sizeof(*status));
601
602 if ((rxd1 & MT_RXD1_NORMAL_BAND_IDX) && !phy->band_idx) {
603 mphy = dev->mt76.phy2;
604 if (!mphy)
605 return -EINVAL;
606
607 phy = mphy->priv;
608 status->ext_phy = true;
609 }
610
611 if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
612 return -EINVAL;
613
614 if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR)
615 return -EINVAL;
616
617 hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
618 if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM))
619 return -EINVAL;
620
621 /* ICV error or CCMP/BIP/WPI MIC error */
622 if (rxd1 & MT_RXD1_NORMAL_ICV_ERR)
623 status->flag |= RX_FLAG_ONLY_MONITOR;
624
625 unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
626 idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
627 status->wcid = mt7915_rx_get_wcid(dev, idx, unicast);
628
629 if (status->wcid) {
630 struct mt7915_sta *msta;
631
632 msta = container_of(status->wcid, struct mt7915_sta, wcid);
633 spin_lock_bh(&dev->sta_poll_lock);
634 if (list_empty(&msta->poll_list))
635 list_add_tail(&msta->poll_list, &dev->sta_poll_list);
636 spin_unlock_bh(&dev->sta_poll_lock);
637 }
638
639 status->freq = mphy->chandef.chan->center_freq;
640 status->band = mphy->chandef.chan->band;
641 if (status->band == NL80211_BAND_5GHZ)
642 sband = &mphy->sband_5g.sband;
643 else if (status->band == NL80211_BAND_6GHZ)
644 sband = &mphy->sband_6g.sband;
645 else
646 sband = &mphy->sband_2g.sband;
647
648 if (!sband->channels)
649 return -EINVAL;
650
651 if ((rxd0 & csum_mask) == csum_mask)
652 skb->ip_summed = CHECKSUM_UNNECESSARY;
653
654 if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
655 status->flag |= RX_FLAG_FAILED_FCS_CRC;
656
657 if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
658 status->flag |= RX_FLAG_MMIC_ERROR;
659
660 if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
661 !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
662 status->flag |= RX_FLAG_DECRYPTED;
663 status->flag |= RX_FLAG_IV_STRIPPED;
664 status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
665 }
666
667 remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
668
669 if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
670 return -EINVAL;
671
672 rxd += 6;
673 if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
674 u32 v0 = le32_to_cpu(rxd[0]);
675 u32 v2 = le32_to_cpu(rxd[2]);
676
677 fc = cpu_to_le16(FIELD_GET(MT_RXD6_FRAME_CONTROL, v0));
678 qos_ctl = FIELD_GET(MT_RXD8_QOS_CTL, v2);
679 seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, v2);
680
681 rxd += 4;
682 if ((u8 *)rxd - skb->data >= skb->len)
683 return -EINVAL;
684 }
685
686 if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
687 u8 *data = (u8 *)rxd;
688
689 if (status->flag & RX_FLAG_DECRYPTED) {
690 switch (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1)) {
691 case MT_CIPHER_AES_CCMP:
692 case MT_CIPHER_CCMP_CCX:
693 case MT_CIPHER_CCMP_256:
694 insert_ccmp_hdr =
695 FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
696 fallthrough;
697 case MT_CIPHER_TKIP:
698 case MT_CIPHER_TKIP_NO_MIC:
699 case MT_CIPHER_GCMP:
700 case MT_CIPHER_GCMP_256:
701 status->iv[0] = data[5];
702 status->iv[1] = data[4];
703 status->iv[2] = data[3];
704 status->iv[3] = data[2];
705 status->iv[4] = data[1];
706 status->iv[5] = data[0];
707 break;
708 default:
709 break;
710 }
711 }
712 rxd += 4;
713 if ((u8 *)rxd - skb->data >= skb->len)
714 return -EINVAL;
715 }
716
717 if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
718 status->timestamp = le32_to_cpu(rxd[0]);
719 status->flag |= RX_FLAG_MACTIME_START;
720
721 if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
722 status->flag |= RX_FLAG_AMPDU_DETAILS;
723
724 /* all subframes of an A-MPDU have the same timestamp */
725 if (phy->rx_ampdu_ts != status->timestamp) {
726 if (!++phy->ampdu_ref)
727 phy->ampdu_ref++;
728 }
729 phy->rx_ampdu_ts = status->timestamp;
730
731 status->ampdu_ref = phy->ampdu_ref;
732 }
733
734 rxd += 2;
735 if ((u8 *)rxd - skb->data >= skb->len)
736 return -EINVAL;
737 }
738
739 /* RXD Group 3 - P-RXV */
740 if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
741 u32 v0, v1;
742 int ret;
743
744 rxv = rxd;
745 rxd += 2;
746 if ((u8 *)rxd - skb->data >= skb->len)
747 return -EINVAL;
748
749 v0 = le32_to_cpu(rxv[0]);
750 v1 = le32_to_cpu(rxv[1]);
751
752 if (v0 & MT_PRXV_HT_AD_CODE)
753 status->enc_flags |= RX_ENC_FLAG_LDPC;
754
755 status->chains = mphy->antenna_mask;
756 status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1);
757 status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1);
758 status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1);
759 status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1);
760
761 /* RXD Group 5 - C-RXV */
762 if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
763 rxd += 18;
764 if ((u8 *)rxd - skb->data >= skb->len)
765 return -EINVAL;
766 }
767
768 if (!is_mt7915(&dev->mt76) || (rxd1 & MT_RXD1_NORMAL_GROUP_5)) {
769 ret = mt7915_mac_fill_rx_rate(dev, status, sband, rxv);
770 if (ret < 0)
771 return ret;
772 }
773 }
774
775 amsdu_info = FIELD_GET(MT_RXD4_NORMAL_PAYLOAD_FORMAT, rxd4);
776 status->amsdu = !!amsdu_info;
777 if (status->amsdu) {
778 status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME;
779 status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME;
780 }
781
782 hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad;
783 if (hdr_trans && ieee80211_has_morefrags(fc)) {
784 if (mt7915_reverse_frag0_hdr_trans(skb, hdr_gap))
785 return -EINVAL;
786 hdr_trans = false;
787 } else {
788 int pad_start = 0;
789
790 skb_pull(skb, hdr_gap);
791 if (!hdr_trans && status->amsdu) {
792 pad_start = ieee80211_get_hdrlen_from_skb(skb);
793 } else if (hdr_trans && (rxd2 & MT_RXD2_NORMAL_HDR_TRANS_ERROR)) {
794 /*
795 * When header translation failure is indicated,
796 * the hardware will insert an extra 2-byte field
797 * containing the data length after the protocol
798 * type field.
799 */
800 pad_start = 12;
801 if (get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q)
802 pad_start += 4;
803
804 if (get_unaligned_be16(skb->data + pad_start) !=
805 skb->len - pad_start - 2)
806 pad_start = 0;
807 }
808
809 if (pad_start) {
810 memmove(skb->data + 2, skb->data, pad_start);
811 skb_pull(skb, 2);
812 }
813 }
814
815 if (!hdr_trans) {
816 struct ieee80211_hdr *hdr;
817
818 if (insert_ccmp_hdr) {
819 u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
820
821 mt76_insert_ccmp_hdr(skb, key_id);
822 }
823
824 hdr = mt76_skb_get_hdr(skb);
825 fc = hdr->frame_control;
826 if (ieee80211_is_data_qos(fc)) {
827 seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
828 qos_ctl = *ieee80211_get_qos_ctl(hdr);
829 }
830 } else {
831 status->flag |= RX_FLAG_8023;
832 }
833
834 if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023))
835 mt7915_mac_decode_he_radiotap(skb, rxv, mode);
836
837 if (!status->wcid || !ieee80211_is_data_qos(fc))
838 return 0;
839
840 /* drop no data frame */
841 if (fc & cpu_to_le16(IEEE80211_STYPE_NULLFUNC))
842 return -EINVAL;
843
844 status->aggr = unicast &&
845 !ieee80211_is_qos_nullfunc(fc);
846 status->qos_ctl = qos_ctl;
847 status->seqno = IEEE80211_SEQ_TO_SN(seq_ctrl);
848
849 return 0;
850}
851
852static void
853mt7915_mac_fill_rx_vector(struct mt7915_dev *dev, struct sk_buff *skb)
854{
855#ifdef CONFIG_NL80211_TESTMODE
856 struct mt7915_phy *phy = &dev->phy;
857 __le32 *rxd = (__le32 *)skb->data;
858 __le32 *rxv_hdr = rxd + 2;
859 __le32 *rxv = rxd + 4;
860 u32 rcpi, ib_rssi, wb_rssi, v20, v21;
861 u8 band_idx;
862 s32 foe;
863 u8 snr;
864 int i;
865
866 band_idx = le32_get_bits(rxv_hdr[1], MT_RXV_HDR_BAND_IDX);
867 if (band_idx && !phy->band_idx)
868 phy = mt7915_ext_phy(dev);
869
870 rcpi = le32_to_cpu(rxv[6]);
871 ib_rssi = le32_to_cpu(rxv[7]);
872 wb_rssi = le32_to_cpu(rxv[8]) >> 5;
873
874 for (i = 0; i < 4; i++, rcpi >>= 8, ib_rssi >>= 8, wb_rssi >>= 9) {
875 if (i == 3)
876 wb_rssi = le32_to_cpu(rxv[9]);
877
878 phy->test.last_rcpi[i] = rcpi & 0xff;
879 phy->test.last_ib_rssi[i] = ib_rssi & 0xff;
880 phy->test.last_wb_rssi[i] = wb_rssi & 0xff;
881 }
882
883 v20 = le32_to_cpu(rxv[20]);
884 v21 = le32_to_cpu(rxv[21]);
885
886 foe = FIELD_GET(MT_CRXV_FOE_LO, v20) |
887 (FIELD_GET(MT_CRXV_FOE_HI, v21) << MT_CRXV_FOE_SHIFT);
888
889 snr = FIELD_GET(MT_CRXV_SNR, v20) - 16;
890
891 phy->test.last_freq_offset = foe;
892 phy->test.last_snr = snr;
893#endif
894
895 dev_kfree_skb(skb);
896}
897
898static void
899mt7915_mac_write_txwi_tm(struct mt7915_phy *phy, __le32 *txwi,
900 struct sk_buff *skb)
901{
902#ifdef CONFIG_NL80211_TESTMODE
903 struct mt76_testmode_data *td = &phy->mt76->test;
904 const struct ieee80211_rate *r;
905 u8 bw, mode, nss = td->tx_rate_nss;
906 u8 rate_idx = td->tx_rate_idx;
907 u16 rateval = 0;
908 u32 val;
909 bool cck = false;
910 int band;
911
912 if (skb != phy->mt76->test.tx_skb)
913 return;
914
915 switch (td->tx_rate_mode) {
916 case MT76_TM_TX_MODE_HT:
917 nss = 1 + (rate_idx >> 3);
918 mode = MT_PHY_TYPE_HT;
919 break;
920 case MT76_TM_TX_MODE_VHT:
921 mode = MT_PHY_TYPE_VHT;
922 break;
923 case MT76_TM_TX_MODE_HE_SU:
924 mode = MT_PHY_TYPE_HE_SU;
925 break;
926 case MT76_TM_TX_MODE_HE_EXT_SU:
927 mode = MT_PHY_TYPE_HE_EXT_SU;
928 break;
929 case MT76_TM_TX_MODE_HE_TB:
930 mode = MT_PHY_TYPE_HE_TB;
931 break;
932 case MT76_TM_TX_MODE_HE_MU:
933 mode = MT_PHY_TYPE_HE_MU;
934 break;
935 case MT76_TM_TX_MODE_CCK:
936 cck = true;
937 fallthrough;
938 case MT76_TM_TX_MODE_OFDM:
939 band = phy->mt76->chandef.chan->band;
940 if (band == NL80211_BAND_2GHZ && !cck)
941 rate_idx += 4;
942
943 r = &phy->mt76->hw->wiphy->bands[band]->bitrates[rate_idx];
944 val = cck ? r->hw_value_short : r->hw_value;
945
946 mode = val >> 8;
947 rate_idx = val & 0xff;
948 break;
949 default:
950 mode = MT_PHY_TYPE_OFDM;
951 break;
952 }
953
954 switch (phy->mt76->chandef.width) {
955 case NL80211_CHAN_WIDTH_40:
956 bw = 1;
957 break;
958 case NL80211_CHAN_WIDTH_80:
959 bw = 2;
960 break;
961 case NL80211_CHAN_WIDTH_80P80:
962 case NL80211_CHAN_WIDTH_160:
963 bw = 3;
964 break;
965 default:
966 bw = 0;
967 break;
968 }
969
970 if (td->tx_rate_stbc && nss == 1) {
971 nss++;
972 rateval |= MT_TX_RATE_STBC;
973 }
974
975 rateval |= FIELD_PREP(MT_TX_RATE_IDX, rate_idx) |
976 FIELD_PREP(MT_TX_RATE_MODE, mode) |
977 FIELD_PREP(MT_TX_RATE_NSS, nss - 1);
978
979 txwi[2] |= cpu_to_le32(MT_TXD2_FIX_RATE);
980
981 le32p_replace_bits(&txwi[3], 1, MT_TXD3_REM_TX_COUNT);
982 if (td->tx_rate_mode < MT76_TM_TX_MODE_HT)
983 txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
984
985 val = MT_TXD6_FIXED_BW |
986 FIELD_PREP(MT_TXD6_BW, bw) |
987 FIELD_PREP(MT_TXD6_TX_RATE, rateval) |
988 FIELD_PREP(MT_TXD6_SGI, td->tx_rate_sgi);
989
990 /* for HE_SU/HE_EXT_SU PPDU
991 * - 1x, 2x, 4x LTF + 0.8us GI
992 * - 2x LTF + 1.6us GI, 4x LTF + 3.2us GI
993 * for HE_MU PPDU
994 * - 2x, 4x LTF + 0.8us GI
995 * - 2x LTF + 1.6us GI, 4x LTF + 3.2us GI
996 * for HE_TB PPDU
997 * - 1x, 2x LTF + 1.6us GI
998 * - 4x LTF + 3.2us GI
999 */
1000 if (mode >= MT_PHY_TYPE_HE_SU)
1001 val |= FIELD_PREP(MT_TXD6_HELTF, td->tx_ltf);
1002
1003 if (td->tx_rate_ldpc || (bw > 0 && mode >= MT_PHY_TYPE_HE_SU))
1004 val |= MT_TXD6_LDPC;
1005
1006 txwi[3] &= ~cpu_to_le32(MT_TXD3_SN_VALID);
1007 txwi[6] |= cpu_to_le32(val);
1008 txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX,
1009 phy->test.spe_idx));
1010#endif
1011}
1012
1013static void
1014mt7915_mac_write_txwi_8023(struct mt7915_dev *dev, __le32 *txwi,
1015 struct sk_buff *skb, struct mt76_wcid *wcid)
1016{
1017
1018 u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
1019 u8 fc_type, fc_stype;
1020 bool wmm = false;
1021 u32 val;
1022
1023 if (wcid->sta) {
1024 struct ieee80211_sta *sta;
1025
1026 sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv);
1027 wmm = sta->wme;
1028 }
1029
1030 val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3) |
1031 FIELD_PREP(MT_TXD1_TID, tid);
1032
1033 if (be16_to_cpu(skb->protocol) >= ETH_P_802_3_MIN)
1034 val |= MT_TXD1_ETH_802_3;
1035
1036 txwi[1] |= cpu_to_le32(val);
1037
1038 fc_type = IEEE80211_FTYPE_DATA >> 2;
1039 fc_stype = wmm ? IEEE80211_STYPE_QOS_DATA >> 4 : 0;
1040
1041 val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
1042 FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype);
1043
1044 txwi[2] |= cpu_to_le32(val);
1045
1046 val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
1047 FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
1048 txwi[7] |= cpu_to_le32(val);
1049}
1050
1051static void
1052mt7915_mac_write_txwi_80211(struct mt7915_dev *dev, __le32 *txwi,
1053 struct sk_buff *skb, struct ieee80211_key_conf *key,
1054 bool *mcast)
1055{
1056 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1057 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
1058 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1059 u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
1060 __le16 fc = hdr->frame_control;
1061 u8 fc_type, fc_stype;
1062 u32 val;
1063
1064 *mcast = is_multicast_ether_addr(hdr->addr1);
1065
1066 if (ieee80211_is_action(fc) &&
1067 mgmt->u.action.category == WLAN_CATEGORY_BACK &&
1068 mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ) {
1069 u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1070
1071 txwi[5] |= cpu_to_le32(MT_TXD5_ADD_BA);
1072 tid = (capab >> 2) & IEEE80211_QOS_CTL_TID_MASK;
1073 } else if (ieee80211_is_back_req(hdr->frame_control)) {
1074 struct ieee80211_bar *bar = (struct ieee80211_bar *)hdr;
1075 u16 control = le16_to_cpu(bar->control);
1076
1077 tid = FIELD_GET(IEEE80211_BAR_CTRL_TID_INFO_MASK, control);
1078 }
1079
1080 val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) |
1081 FIELD_PREP(MT_TXD1_HDR_INFO,
1082 ieee80211_get_hdrlen_from_skb(skb) / 2) |
1083 FIELD_PREP(MT_TXD1_TID, tid);
1084 txwi[1] |= cpu_to_le32(val);
1085
1086 fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
1087 fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4;
1088
1089 val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
1090 FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) |
1091 FIELD_PREP(MT_TXD2_MULTICAST, *mcast);
1092
1093 if (key && *mcast && ieee80211_is_robust_mgmt_frame(skb) &&
1094 key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
1095 val |= MT_TXD2_BIP;
1096 txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME);
1097 }
1098
1099 if (!ieee80211_is_data(fc) || *mcast ||
1100 info->flags & IEEE80211_TX_CTL_USE_MINRATE)
1101 val |= MT_TXD2_FIX_RATE;
1102
1103 txwi[2] |= cpu_to_le32(val);
1104
1105 if (ieee80211_is_beacon(fc)) {
1106 txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
1107 txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT);
1108 txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX, 0x18));
1109 }
1110
1111 if (info->flags & IEEE80211_TX_CTL_INJECTED) {
1112 u16 seqno = le16_to_cpu(hdr->seq_ctrl);
1113
1114 if (ieee80211_is_back_req(hdr->frame_control)) {
1115 struct ieee80211_bar *bar;
1116
1117 bar = (struct ieee80211_bar *)skb->data;
1118 seqno = le16_to_cpu(bar->start_seq_num);
1119 }
1120
1121 val = MT_TXD3_SN_VALID |
1122 FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno));
1123 txwi[3] |= cpu_to_le32(val);
1124 txwi[7] &= ~cpu_to_le32(MT_TXD7_HW_AMSDU);
1125 }
1126
1127 val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
1128 FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
1129 txwi[7] |= cpu_to_le32(val);
1130}
1131
1132static u16
1133mt7915_mac_tx_rate_val(struct mt76_phy *mphy, struct ieee80211_vif *vif,
1134 bool beacon, bool mcast)
1135{
1136 u8 mode = 0, band = mphy->chandef.chan->band;
1137 int rateidx = 0, mcast_rate;
1138
1139 if (beacon) {
1140 struct cfg80211_bitrate_mask *mask;
1141
1142 mask = &vif->bss_conf.beacon_tx_rate;
1143 if (hweight16(mask->control[band].he_mcs[0]) == 1) {
1144 rateidx = ffs(mask->control[band].he_mcs[0]) - 1;
1145 mode = MT_PHY_TYPE_HE_SU;
1146 goto out;
1147 } else if (hweight16(mask->control[band].vht_mcs[0]) == 1) {
1148 rateidx = ffs(mask->control[band].vht_mcs[0]) - 1;
1149 mode = MT_PHY_TYPE_VHT;
1150 goto out;
1151 } else if (hweight8(mask->control[band].ht_mcs[0]) == 1) {
1152 rateidx = ffs(mask->control[band].ht_mcs[0]) - 1;
1153 mode = MT_PHY_TYPE_HT;
1154 goto out;
1155 } else if (hweight32(mask->control[band].legacy) == 1) {
1156 rateidx = ffs(mask->control[band].legacy) - 1;
1157 goto legacy;
1158 }
1159 }
1160
1161 mcast_rate = vif->bss_conf.mcast_rate[band];
1162 if (mcast && mcast_rate > 0)
1163 rateidx = mcast_rate - 1;
1164 else
1165 rateidx = ffs(vif->bss_conf.basic_rates) - 1;
1166
1167legacy:
1168 rateidx = mt76_calculate_default_rate(mphy, rateidx);
1169 mode = rateidx >> 8;
1170 rateidx &= GENMASK(7, 0);
1171
1172out:
1173 return FIELD_PREP(MT_TX_RATE_IDX, rateidx) |
1174 FIELD_PREP(MT_TX_RATE_MODE, mode);
1175}
1176
1177void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
1178 struct sk_buff *skb, struct mt76_wcid *wcid, int pid,
1179 struct ieee80211_key_conf *key, bool beacon)
1180{
1181 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1182 struct ieee80211_vif *vif = info->control.vif;
1183 struct mt76_phy *mphy = &dev->mphy;
1184 bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
1185 u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0, band_idx = 0;
1186 bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
1187 bool mcast = false;
1188 u16 tx_count = 15;
1189 u32 val;
1190
1191 if (vif) {
1192 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1193
1194 omac_idx = mvif->mt76.omac_idx;
1195 wmm_idx = mvif->mt76.wmm_idx;
1196 band_idx = mvif->mt76.band_idx;
1197 }
1198
1199 if (ext_phy && dev->mt76.phy2)
1200 mphy = dev->mt76.phy2;
1201
1202 if (beacon) {
1203 p_fmt = MT_TX_TYPE_FW;
1204 q_idx = MT_LMAC_BCN0;
1205 } else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) {
1206 p_fmt = MT_TX_TYPE_CT;
1207 q_idx = MT_LMAC_ALTX0;
1208 } else {
1209 p_fmt = MT_TX_TYPE_CT;
1210 q_idx = wmm_idx * MT7915_MAX_WMM_SETS +
1211 mt76_connac_lmac_mapping(skb_get_queue_mapping(skb));
1212 }
1213
1214 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
1215 FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) |
1216 FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
1217 txwi[0] = cpu_to_le32(val);
1218
1219 val = MT_TXD1_LONG_FORMAT | MT_TXD1_VTA |
1220 FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
1221 FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
1222
1223 if (ext_phy || band_idx)
1224 val |= MT_TXD1_TGID;
1225
1226 txwi[1] = cpu_to_le32(val);
1227
1228 txwi[2] = 0;
1229
1230 val = MT_TXD3_SW_POWER_MGMT |
1231 FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
1232 if (key)
1233 val |= MT_TXD3_PROTECT_FRAME;
1234 if (info->flags & IEEE80211_TX_CTL_NO_ACK)
1235 val |= MT_TXD3_NO_ACK;
1236
1237 txwi[3] = cpu_to_le32(val);
1238 txwi[4] = 0;
1239
1240 val = FIELD_PREP(MT_TXD5_PID, pid);
1241 if (pid >= MT_PACKET_ID_FIRST)
1242 val |= MT_TXD5_TX_STATUS_HOST;
1243 txwi[5] = cpu_to_le32(val);
1244
1245 txwi[6] = 0;
1246 txwi[7] = wcid->amsdu ? cpu_to_le32(MT_TXD7_HW_AMSDU) : 0;
1247
1248 if (is_8023)
1249 mt7915_mac_write_txwi_8023(dev, txwi, skb, wcid);
1250 else
1251 mt7915_mac_write_txwi_80211(dev, txwi, skb, key, &mcast);
1252
1253 if (txwi[2] & cpu_to_le32(MT_TXD2_FIX_RATE)) {
1254 u16 rate = mt7915_mac_tx_rate_val(mphy, vif, beacon, mcast);
1255
1256 /* hardware won't add HTC for mgmt/ctrl frame */
1257 txwi[2] |= cpu_to_le32(MT_TXD2_HTC_VLD);
1258
1259 val = MT_TXD6_FIXED_BW |
1260 FIELD_PREP(MT_TXD6_TX_RATE, rate);
1261 txwi[6] |= cpu_to_le32(val);
1262 txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
1263 }
1264
1265 if (mt76_testmode_enabled(mphy))
1266 mt7915_mac_write_txwi_tm(mphy->priv, txwi, skb);
1267}
1268
1269int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
1270 enum mt76_txq_id qid, struct mt76_wcid *wcid,
1271 struct ieee80211_sta *sta,
1272 struct mt76_tx_info *tx_info)
1273{
1274 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
1275 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
1276 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
1277 struct ieee80211_key_conf *key = info->control.hw_key;
1278 struct ieee80211_vif *vif = info->control.vif;
1279 struct mt76_txwi_cache *t;
1280 struct mt7915_txp *txp;
1281 int id, i, nbuf = tx_info->nbuf - 1;
1282 u8 *txwi = (u8 *)txwi_ptr;
1283 int pid;
1284
1285 if (unlikely(tx_info->skb->len <= ETH_HLEN))
1286 return -EINVAL;
1287
1288 if (!wcid)
1289 wcid = &dev->mt76.global_wcid;
1290
1291 if (sta) {
1292 struct mt7915_sta *msta;
1293
1294 msta = (struct mt7915_sta *)sta->drv_priv;
1295
1296 if (time_after(jiffies, msta->jiffies + HZ / 4)) {
1297 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
1298 msta->jiffies = jiffies;
1299 }
1300 }
1301
1302 t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
1303 t->skb = tx_info->skb;
1304
1305 id = mt76_token_consume(mdev, &t);
1306 if (id < 0)
1307 return id;
1308
1309 pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
1310 mt7915_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, pid, key,
1311 false);
1312
1313 txp = (struct mt7915_txp *)(txwi + MT_TXD_SIZE);
1314 for (i = 0; i < nbuf; i++) {
1315 txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
1316 txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
1317 }
1318 txp->nbuf = nbuf;
1319
1320 txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD | MT_CT_INFO_FROM_HOST);
1321
1322 if (!key)
1323 txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
1324
1325 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
1326 ieee80211_is_mgmt(hdr->frame_control))
1327 txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
1328
1329 if (vif) {
1330 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1331
1332 txp->bss_idx = mvif->mt76.idx;
1333 }
1334
1335 txp->token = cpu_to_le16(id);
1336 if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags))
1337 txp->rept_wds_wcid = cpu_to_le16(wcid->idx);
1338 else
1339 txp->rept_wds_wcid = cpu_to_le16(0x3ff);
1340 tx_info->skb = DMA_DUMMY_DATA;
1341
1342 /* pass partial skb header to fw */
1343 tx_info->buf[1].len = MT_CT_PARSE_LEN;
1344 tx_info->buf[1].skip_unmap = true;
1345 tx_info->nbuf = MT_CT_DMA_BUF_NUM;
1346
1347 return 0;
1348}
1349
1350static void
1351mt7915_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
1352{
1353 struct mt7915_sta *msta;
1354 u16 fc, tid;
1355 u32 val;
1356
1357 if (!sta || !(sta->ht_cap.ht_supported || sta->he_cap.has_he))
1358 return;
1359
1360 tid = le32_get_bits(txwi[1], MT_TXD1_TID);
1361 if (tid >= 6) /* skip VO queue */
1362 return;
1363
1364 val = le32_to_cpu(txwi[2]);
1365 fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 |
1366 FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4;
1367 if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
1368 return;
1369
1370 msta = (struct mt7915_sta *)sta->drv_priv;
1371 if (!test_and_set_bit(tid, &msta->ampdu_state))
1372 ieee80211_start_tx_ba_session(sta, tid, 0);
1373}
1374
1375static void
1376mt7915_txp_skb_unmap(struct mt76_dev *dev, struct mt76_txwi_cache *t)
1377{
1378 struct mt7915_txp *txp;
1379 int i;
1380
1381 txp = mt7915_txwi_to_txp(dev, t);
1382 for (i = 0; i < txp->nbuf; i++)
1383 dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
1384 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
1385}
1386
1387static void
1388mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
1389 struct ieee80211_sta *sta, struct list_head *free_list)
1390{
1391 struct mt76_dev *mdev = &dev->mt76;
1392 struct mt76_wcid *wcid;
1393 __le32 *txwi;
1394 u16 wcid_idx;
1395
1396 mt7915_txp_skb_unmap(mdev, t);
1397 if (!t->skb)
1398 goto out;
1399
1400 txwi = (__le32 *)mt76_get_txwi_ptr(mdev, t);
1401 if (sta) {
1402 wcid = (struct mt76_wcid *)sta->drv_priv;
1403 wcid_idx = wcid->idx;
1404
1405 if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE)))
1406 mt7915_tx_check_aggr(sta, txwi);
1407 } else {
1408 wcid_idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
1409 }
1410
1411 __mt76_tx_complete_skb(mdev, wcid_idx, t->skb, free_list);
1412
1413out:
1414 t->skb = NULL;
1415 mt76_put_txwi(mdev, t);
1416}
1417
1418static void
1419mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
1420{
1421 struct mt7915_tx_free *free = (struct mt7915_tx_free *)data;
1422 struct mt76_dev *mdev = &dev->mt76;
1423 struct mt76_phy *mphy_ext = mdev->phy2;
1424 struct mt76_txwi_cache *txwi;
1425 struct ieee80211_sta *sta = NULL;
1426 LIST_HEAD(free_list);
1427 struct sk_buff *skb, *tmp;
1428 void *end = data + len;
1429 bool v3, wake = false;
1430 u16 total, count = 0;
1431 u32 txd = le32_to_cpu(free->txd);
1432 __le32 *cur_info;
1433
1434 /* clean DMA queues and unmap buffers first */
1435 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);
1436 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false);
1437 if (mphy_ext) {
1438 mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_PSD], false);
1439 mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_BE], false);
1440 }
1441
1442 total = le16_get_bits(free->ctrl, MT_TX_FREE_MSDU_CNT);
1443 v3 = (FIELD_GET(MT_TX_FREE_VER, txd) == 0x4);
1444 if (WARN_ON_ONCE((void *)&free->info[total >> v3] > end))
1445 return;
1446
1447 for (cur_info = &free->info[0]; count < total; cur_info++) {
1448 u32 msdu, info = le32_to_cpu(*cur_info);
1449 u8 i;
1450
1451 /*
1452 * 1'b1: new wcid pair.
1453 * 1'b0: msdu_id with the same 'wcid pair' as above.
1454 */
1455 if (info & MT_TX_FREE_PAIR) {
1456 struct mt7915_sta *msta;
1457 struct mt76_wcid *wcid;
1458 u16 idx;
1459
1460 idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
1461 wcid = rcu_dereference(dev->mt76.wcid[idx]);
1462 sta = wcid_to_sta(wcid);
1463 if (!sta)
1464 continue;
1465
1466 msta = container_of(wcid, struct mt7915_sta, wcid);
1467 spin_lock_bh(&dev->sta_poll_lock);
1468 if (list_empty(&msta->poll_list))
1469 list_add_tail(&msta->poll_list, &dev->sta_poll_list);
1470 spin_unlock_bh(&dev->sta_poll_lock);
1471 continue;
1472 }
1473
1474 if (v3 && (info & MT_TX_FREE_MPDU_HEADER))
1475 continue;
1476
1477 for (i = 0; i < 1 + v3; i++) {
1478 if (v3) {
1479 msdu = (info >> (15 * i)) & MT_TX_FREE_MSDU_ID_V3;
1480 if (msdu == MT_TX_FREE_MSDU_ID_V3)
1481 continue;
1482 } else {
1483 msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
1484 }
1485 count++;
1486 txwi = mt76_token_release(mdev, msdu, &wake);
1487 if (!txwi)
1488 continue;
1489
1490 mt7915_txwi_free(dev, txwi, sta, &free_list);
1491 }
1492 }
1493
1494 mt7915_mac_sta_poll(dev);
1495
1496 if (wake)
1497 mt76_set_tx_blocked(&dev->mt76, false);
1498
1499 mt76_worker_schedule(&dev->mt76.tx_worker);
1500
1501 list_for_each_entry_safe(skb, tmp, &free_list, list) {
1502 skb_list_del_init(skb);
1503 napi_consume_skb(skb, 1);
1504 }
1505}
1506
1507static bool
1508mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
1509 __le32 *txs_data, struct mt76_sta_stats *stats)
1510{
1511 struct ieee80211_supported_band *sband;
1512 struct mt76_dev *mdev = &dev->mt76;
1513 struct mt76_phy *mphy;
1514 struct ieee80211_tx_info *info;
1515 struct sk_buff_head list;
1516 struct rate_info rate = {};
1517 struct sk_buff *skb;
1518 bool cck = false;
1519 u32 txrate, txs, mode;
1520
1521 mt76_tx_status_lock(mdev, &list);
1522 skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
1523 if (!skb)
1524 goto out_no_skb;
1525
1526 txs = le32_to_cpu(txs_data[0]);
1527
1528 info = IEEE80211_SKB_CB(skb);
1529 if (!(txs & MT_TXS0_ACK_ERROR_MASK))
1530 info->flags |= IEEE80211_TX_STAT_ACK;
1531
1532 info->status.ampdu_len = 1;
1533 info->status.ampdu_ack_len = !!(info->flags &
1534 IEEE80211_TX_STAT_ACK);
1535
1536 info->status.rates[0].idx = -1;
1537
1538 txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
1539
1540 rate.mcs = FIELD_GET(MT_TX_RATE_IDX, txrate);
1541 rate.nss = FIELD_GET(MT_TX_RATE_NSS, txrate) + 1;
1542
1543 if (rate.nss - 1 < ARRAY_SIZE(stats->tx_nss))
1544 stats->tx_nss[rate.nss - 1]++;
1545 if (rate.mcs < ARRAY_SIZE(stats->tx_mcs))
1546 stats->tx_mcs[rate.mcs]++;
1547
1548 mode = FIELD_GET(MT_TX_RATE_MODE, txrate);
1549 switch (mode) {
1550 case MT_PHY_TYPE_CCK:
1551 cck = true;
1552 fallthrough;
1553 case MT_PHY_TYPE_OFDM:
1554 mphy = &dev->mphy;
1555 if (wcid->ext_phy && dev->mt76.phy2)
1556 mphy = dev->mt76.phy2;
1557
1558 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
1559 sband = &mphy->sband_5g.sband;
1560 else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ)
1561 sband = &mphy->sband_6g.sband;
1562 else
1563 sband = &mphy->sband_2g.sband;
1564
1565 rate.mcs = mt76_get_rate(mphy->dev, sband, rate.mcs, cck);
1566 rate.legacy = sband->bitrates[rate.mcs].bitrate;
1567 break;
1568 case MT_PHY_TYPE_HT:
1569 case MT_PHY_TYPE_HT_GF:
1570 if (rate.mcs > 31)
1571 goto out;
1572
1573 rate.flags = RATE_INFO_FLAGS_MCS;
1574 if (wcid->rate.flags & RATE_INFO_FLAGS_SHORT_GI)
1575 rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1576 break;
1577 case MT_PHY_TYPE_VHT:
1578 if (rate.mcs > 9)
1579 goto out;
1580
1581 rate.flags = RATE_INFO_FLAGS_VHT_MCS;
1582 break;
1583 case MT_PHY_TYPE_HE_SU:
1584 case MT_PHY_TYPE_HE_EXT_SU:
1585 case MT_PHY_TYPE_HE_TB:
1586 case MT_PHY_TYPE_HE_MU:
1587 if (rate.mcs > 11)
1588 goto out;
1589
1590 rate.he_gi = wcid->rate.he_gi;
1591 rate.he_dcm = FIELD_GET(MT_TX_RATE_DCM, txrate);
1592 rate.flags = RATE_INFO_FLAGS_HE_MCS;
1593 break;
1594 default:
1595 goto out;
1596 }
1597
1598 stats->tx_mode[mode]++;
1599
1600 switch (FIELD_GET(MT_TXS0_BW, txs)) {
1601 case IEEE80211_STA_RX_BW_160:
1602 rate.bw = RATE_INFO_BW_160;
1603 stats->tx_bw[3]++;
1604 break;
1605 case IEEE80211_STA_RX_BW_80:
1606 rate.bw = RATE_INFO_BW_80;
1607 stats->tx_bw[2]++;
1608 break;
1609 case IEEE80211_STA_RX_BW_40:
1610 rate.bw = RATE_INFO_BW_40;
1611 stats->tx_bw[1]++;
1612 break;
1613 default:
1614 rate.bw = RATE_INFO_BW_20;
1615 stats->tx_bw[0]++;
1616 break;
1617 }
1618 wcid->rate = rate;
1619
1620out:
1621 mt76_tx_status_skb_done(mdev, skb, &list);
1622
1623out_no_skb:
1624 mt76_tx_status_unlock(mdev, &list);
1625
1626 return !!skb;
1627}
1628
1629static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data)
1630{
1631 struct mt7915_sta *msta = NULL;
1632 struct mt76_wcid *wcid;
1633 __le32 *txs_data = data;
1634 u16 wcidx;
1635 u8 pid;
1636
1637 if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) > 1)
1638 return;
1639
1640 wcidx = le32_get_bits(txs_data[2], MT_TXS2_WCID);
1641 pid = le32_get_bits(txs_data[3], MT_TXS3_PID);
1642
1643 if (pid < MT_PACKET_ID_FIRST)
1644 return;
1645
1646 if (wcidx >= mt7915_wtbl_size(dev))
1647 return;
1648
1649 rcu_read_lock();
1650
1651 wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
1652 if (!wcid)
1653 goto out;
1654
1655 msta = container_of(wcid, struct mt7915_sta, wcid);
1656
1657 mt7915_mac_add_txs_skb(dev, wcid, pid, txs_data, &msta->stats);
1658
1659 if (!wcid->sta)
1660 goto out;
1661
1662 spin_lock_bh(&dev->sta_poll_lock);
1663 if (list_empty(&msta->poll_list))
1664 list_add_tail(&msta->poll_list, &dev->sta_poll_list);
1665 spin_unlock_bh(&dev->sta_poll_lock);
1666
1667out:
1668 rcu_read_unlock();
1669}
1670
1671bool mt7915_rx_check(struct mt76_dev *mdev, void *data, int len)
1672{
1673 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
1674 __le32 *rxd = (__le32 *)data;
1675 __le32 *end = (__le32 *)&rxd[len / 4];
1676 enum rx_pkt_type type;
1677
1678 type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
1679
1680 switch (type) {
1681 case PKT_TYPE_TXRX_NOTIFY:
1682 mt7915_mac_tx_free(dev, data, len);
1683 return false;
1684 case PKT_TYPE_TXS:
1685 for (rxd += 2; rxd + 8 <= end; rxd += 8)
1686 mt7915_mac_add_txs(dev, rxd);
1687 return false;
1688 case PKT_TYPE_RX_FW_MONITOR:
1689 mt7915_debugfs_rx_fw_monitor(dev, data, len);
1690 return false;
1691 default:
1692 return true;
1693 }
1694}
1695
1696void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
1697 struct sk_buff *skb)
1698{
1699 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
1700 __le32 *rxd = (__le32 *)skb->data;
1701 __le32 *end = (__le32 *)&skb->data[skb->len];
1702 enum rx_pkt_type type;
1703
1704 type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
1705
1706 switch (type) {
1707 case PKT_TYPE_TXRX_NOTIFY:
1708 mt7915_mac_tx_free(dev, skb->data, skb->len);
1709 napi_consume_skb(skb, 1);
1710 break;
1711 case PKT_TYPE_RX_EVENT:
1712 mt7915_mcu_rx_event(dev, skb);
1713 break;
1714 case PKT_TYPE_TXRXV:
1715 mt7915_mac_fill_rx_vector(dev, skb);
1716 break;
1717 case PKT_TYPE_TXS:
1718 for (rxd += 2; rxd + 8 <= end; rxd += 8)
1719 mt7915_mac_add_txs(dev, rxd);
1720 dev_kfree_skb(skb);
1721 break;
1722 case PKT_TYPE_RX_FW_MONITOR:
1723 mt7915_debugfs_rx_fw_monitor(dev, skb->data, skb->len);
1724 dev_kfree_skb(skb);
1725 break;
1726 case PKT_TYPE_NORMAL:
1727 if (!mt7915_mac_fill_rx(dev, skb)) {
1728 mt76_rx(&dev->mt76, q, skb);
1729 return;
1730 }
1731 fallthrough;
1732 default:
1733 dev_kfree_skb(skb);
1734 break;
1735 }
1736}
1737
1738void mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
1739{
1740 if (!e->txwi) {
1741 dev_kfree_skb_any(e->skb);
1742 return;
1743 }
1744
1745 /* error path */
1746 if (e->skb == DMA_DUMMY_DATA) {
1747 struct mt76_txwi_cache *t;
1748 struct mt7915_txp *txp;
1749
1750 txp = mt7915_txwi_to_txp(mdev, e->txwi);
1751 t = mt76_token_put(mdev, le16_to_cpu(txp->token));
1752 e->skb = t ? t->skb : NULL;
1753 }
1754
1755 if (e->skb)
1756 mt76_tx_complete_skb(mdev, e->wcid, e->skb);
1757}
1758
1759void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy)
1760{
1761 struct mt7915_dev *dev = phy->dev;
1762 u32 reg = MT_WF_PHY_RX_CTRL1(phy->band_idx);
1763
1764 mt76_clear(dev, reg, MT_WF_PHY_RX_CTRL1_STSCNT_EN);
1765 mt76_set(dev, reg, BIT(11) | BIT(9));
1766}
1767
1768void mt7915_mac_reset_counters(struct mt7915_phy *phy)
1769{
1770 struct mt7915_dev *dev = phy->dev;
1771 int i;
1772
1773 for (i = 0; i < 4; i++) {
1774 mt76_rr(dev, MT_TX_AGG_CNT(phy->band_idx, i));
1775 mt76_rr(dev, MT_TX_AGG_CNT2(phy->band_idx, i));
1776 }
1777
1778 i = 0;
1779 phy->mt76->survey_time = ktime_get_boottime();
1780 if (phy->band_idx)
1781 i = ARRAY_SIZE(dev->mt76.aggr_stats) / 2;
1782
1783 memset(&dev->mt76.aggr_stats[i], 0, sizeof(dev->mt76.aggr_stats) / 2);
1784
1785 /* reset airtime counters */
1786 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(phy->band_idx),
1787 MT_WF_RMAC_MIB_RXTIME_CLR);
1788
1789 mt7915_mcu_get_chan_mib_info(phy, true);
1790}
1791
1792void mt7915_mac_set_timing(struct mt7915_phy *phy)
1793{
1794 s16 coverage_class = phy->coverage_class;
1795 struct mt7915_dev *dev = phy->dev;
1796 struct mt7915_phy *ext_phy = mt7915_ext_phy(dev);
1797 u32 val, reg_offset;
1798 u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
1799 FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
1800 u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
1801 FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
1802 int offset;
1803 bool a_band = !(phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ);
1804
1805 if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
1806 return;
1807
1808 if (ext_phy)
1809 coverage_class = max_t(s16, dev->phy.coverage_class,
1810 ext_phy->coverage_class);
1811
1812 mt76_set(dev, MT_ARB_SCR(phy->band_idx),
1813 MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
1814 udelay(1);
1815
1816 offset = 3 * coverage_class;
1817 reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
1818 FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
1819
1820 mt76_wr(dev, MT_TMAC_CDTR(phy->band_idx), cck + reg_offset);
1821 mt76_wr(dev, MT_TMAC_ODTR(phy->band_idx), ofdm + reg_offset);
1822 mt76_wr(dev, MT_TMAC_ICR0(phy->band_idx),
1823 FIELD_PREP(MT_IFS_EIFS_OFDM, a_band ? 84 : 78) |
1824 FIELD_PREP(MT_IFS_RIFS, 2) |
1825 FIELD_PREP(MT_IFS_SIFS, 10) |
1826 FIELD_PREP(MT_IFS_SLOT, phy->slottime));
1827
1828 mt76_wr(dev, MT_TMAC_ICR1(phy->band_idx),
1829 FIELD_PREP(MT_IFS_EIFS_CCK, 314));
1830
1831 if (phy->slottime < 20 || a_band)
1832 val = MT7915_CFEND_RATE_DEFAULT;
1833 else
1834 val = MT7915_CFEND_RATE_11B;
1835
1836 mt76_rmw_field(dev, MT_AGG_ACR0(phy->band_idx), MT_AGG_ACR_CFEND_RATE, val);
1837 mt76_clear(dev, MT_ARB_SCR(phy->band_idx),
1838 MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
1839}
1840
1841void mt7915_mac_enable_nf(struct mt7915_dev *dev, bool ext_phy)
1842{
1843 u32 reg;
1844
1845 reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_RXTD12(ext_phy) :
1846 MT_WF_PHY_RXTD12_MT7916(ext_phy);
1847 mt76_set(dev, reg,
1848 MT_WF_PHY_RXTD12_IRPI_SW_CLR_ONLY |
1849 MT_WF_PHY_RXTD12_IRPI_SW_CLR);
1850
1851 reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_RX_CTRL1(ext_phy) :
1852 MT_WF_PHY_RX_CTRL1_MT7916(ext_phy);
1853 mt76_set(dev, reg, FIELD_PREP(MT_WF_PHY_RX_CTRL1_IPI_EN, 0x5));
1854}
1855
1856static u8
1857mt7915_phy_get_nf(struct mt7915_phy *phy, int idx)
1858{
1859 static const u8 nf_power[] = { 92, 89, 86, 83, 80, 75, 70, 65, 60, 55, 52 };
1860 struct mt7915_dev *dev = phy->dev;
1861 u32 val, sum = 0, n = 0;
1862 int nss, i;
1863
1864 for (nss = 0; nss < hweight8(phy->mt76->chainmask); nss++) {
1865 u32 reg = is_mt7915(&dev->mt76) ?
1866 MT_WF_IRPI_NSS(0, nss + (idx << dev->dbdc_support)) :
1867 MT_WF_IRPI_NSS_MT7916(idx, nss);
1868
1869 for (i = 0; i < ARRAY_SIZE(nf_power); i++, reg += 4) {
1870 val = mt76_rr(dev, reg);
1871 sum += val * nf_power[i];
1872 n += val;
1873 }
1874 }
1875
1876 if (!n)
1877 return 0;
1878
1879 return sum / n;
1880}
1881
1882void mt7915_update_channel(struct mt76_phy *mphy)
1883{
1884 struct mt7915_phy *phy = (struct mt7915_phy *)mphy->priv;
1885 struct mt76_channel_state *state = mphy->chan_state;
1886 int nf;
1887
1888 mt7915_mcu_get_chan_mib_info(phy, false);
1889
1890 nf = mt7915_phy_get_nf(phy, phy->band_idx);
1891 if (!phy->noise)
1892 phy->noise = nf << 4;
1893 else if (nf)
1894 phy->noise += nf - (phy->noise >> 4);
1895
1896 state->noise = -(phy->noise >> 4);
1897}
1898
1899static bool
1900mt7915_wait_reset_state(struct mt7915_dev *dev, u32 state)
1901{
1902 bool ret;
1903
1904 ret = wait_event_timeout(dev->reset_wait,
1905 (READ_ONCE(dev->reset_state) & state),
1906 MT7915_RESET_TIMEOUT);
1907
1908 WARN(!ret, "Timeout waiting for MCU reset state %x\n", state);
1909 return ret;
1910}
1911
1912static void
1913mt7915_update_vif_beacon(void *priv, u8 *mac, struct ieee80211_vif *vif)
1914{
1915 struct ieee80211_hw *hw = priv;
1916
1917 switch (vif->type) {
1918 case NL80211_IFTYPE_MESH_POINT:
1919 case NL80211_IFTYPE_ADHOC:
1920 case NL80211_IFTYPE_AP:
1921 mt7915_mcu_add_beacon(hw, vif, vif->bss_conf.enable_beacon);
1922 break;
1923 default:
1924 break;
1925 }
1926}
1927
1928static void
1929mt7915_update_beacons(struct mt7915_dev *dev)
1930{
1931 ieee80211_iterate_active_interfaces(dev->mt76.hw,
1932 IEEE80211_IFACE_ITER_RESUME_ALL,
1933 mt7915_update_vif_beacon, dev->mt76.hw);
1934
1935 if (!dev->mt76.phy2)
1936 return;
1937
1938 ieee80211_iterate_active_interfaces(dev->mt76.phy2->hw,
1939 IEEE80211_IFACE_ITER_RESUME_ALL,
1940 mt7915_update_vif_beacon, dev->mt76.phy2->hw);
1941}
1942
1943static void
1944mt7915_dma_reset(struct mt7915_dev *dev)
1945{
1946 struct mt76_phy *mphy_ext = dev->mt76.phy2;
1947 u32 hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
1948 int i;
1949
1950 mt76_clear(dev, MT_WFDMA0_GLO_CFG,
1951 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
1952 MT_WFDMA0_GLO_CFG_RX_DMA_EN);
1953
1954 if (is_mt7915(&dev->mt76))
1955 mt76_clear(dev, MT_WFDMA1_GLO_CFG,
1956 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
1957 MT_WFDMA1_GLO_CFG_RX_DMA_EN);
1958 if (dev->hif2) {
1959 mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
1960 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
1961 MT_WFDMA0_GLO_CFG_RX_DMA_EN);
1962
1963 if (is_mt7915(&dev->mt76))
1964 mt76_clear(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
1965 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
1966 MT_WFDMA1_GLO_CFG_RX_DMA_EN);
1967 }
1968
1969 usleep_range(1000, 2000);
1970
1971 for (i = 0; i < __MT_TXQ_MAX; i++) {
1972 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true);
1973 if (mphy_ext)
1974 mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[i], true);
1975 }
1976
1977 for (i = 0; i < __MT_MCUQ_MAX; i++)
1978 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true);
1979
1980 mt76_for_each_q_rx(&dev->mt76, i)
1981 mt76_queue_rx_reset(dev, i);
1982
1983 mt76_tx_status_check(&dev->mt76, true);
1984
1985 /* re-init prefetch settings after reset */
1986 mt7915_dma_prefetch(dev);
1987
1988 mt76_set(dev, MT_WFDMA0_GLO_CFG,
1989 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
1990 if (is_mt7915(&dev->mt76))
1991 mt76_set(dev, MT_WFDMA1_GLO_CFG,
1992 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
1993 MT_WFDMA1_GLO_CFG_RX_DMA_EN |
1994 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
1995 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
1996 if (dev->hif2) {
1997 mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
1998 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
1999 MT_WFDMA0_GLO_CFG_RX_DMA_EN);
2000
2001 if (is_mt7915(&dev->mt76))
2002 mt76_set(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
2003 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
2004 MT_WFDMA1_GLO_CFG_RX_DMA_EN |
2005 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
2006 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
2007 }
2008}
2009
2010void mt7915_tx_token_put(struct mt7915_dev *dev)
2011{
2012 struct mt76_txwi_cache *txwi;
2013 int id;
2014
2015 spin_lock_bh(&dev->mt76.token_lock);
2016 idr_for_each_entry(&dev->mt76.token, txwi, id) {
2017 mt7915_txwi_free(dev, txwi, NULL, NULL);
2018 dev->mt76.token_count--;
2019 }
2020 spin_unlock_bh(&dev->mt76.token_lock);
2021 idr_destroy(&dev->mt76.token);
2022}
2023
2024/* system error recovery */
2025void mt7915_mac_reset_work(struct work_struct *work)
2026{
2027 struct mt7915_phy *phy2;
2028 struct mt76_phy *ext_phy;
2029 struct mt7915_dev *dev;
2030
2031 dev = container_of(work, struct mt7915_dev, reset_work);
2032 ext_phy = dev->mt76.phy2;
2033 phy2 = ext_phy ? ext_phy->priv : NULL;
2034
2035 if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA))
2036 return;
2037
2038 ieee80211_stop_queues(mt76_hw(dev));
2039 if (ext_phy)
2040 ieee80211_stop_queues(ext_phy->hw);
2041
2042 set_bit(MT76_RESET, &dev->mphy.state);
2043 set_bit(MT76_MCU_RESET, &dev->mphy.state);
2044 wake_up(&dev->mt76.mcu.wait);
2045 cancel_delayed_work_sync(&dev->mphy.mac_work);
2046 if (phy2) {
2047 set_bit(MT76_RESET, &phy2->mt76->state);
2048 cancel_delayed_work_sync(&phy2->mt76->mac_work);
2049 }
2050 mt76_worker_disable(&dev->mt76.tx_worker);
2051 napi_disable(&dev->mt76.napi[0]);
2052 napi_disable(&dev->mt76.napi[1]);
2053 napi_disable(&dev->mt76.napi[2]);
2054 napi_disable(&dev->mt76.tx_napi);
2055
2056 mutex_lock(&dev->mt76.mutex);
2057
2058 mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
2059
2060 if (mt7915_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {
2061 mt7915_dma_reset(dev);
2062
2063 mt7915_tx_token_put(dev);
2064 idr_init(&dev->mt76.token);
2065
2066 mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT);
2067 mt7915_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE);
2068 }
2069
2070 clear_bit(MT76_MCU_RESET, &dev->mphy.state);
2071 clear_bit(MT76_RESET, &dev->mphy.state);
2072 if (phy2)
2073 clear_bit(MT76_RESET, &phy2->mt76->state);
2074
2075 local_bh_disable();
2076 napi_enable(&dev->mt76.napi[0]);
2077 napi_schedule(&dev->mt76.napi[0]);
2078
2079 napi_enable(&dev->mt76.napi[1]);
2080 napi_schedule(&dev->mt76.napi[1]);
2081
2082 napi_enable(&dev->mt76.napi[2]);
2083 napi_schedule(&dev->mt76.napi[2]);
2084 local_bh_enable();
2085
2086 tasklet_schedule(&dev->irq_tasklet);
2087
2088 mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
2089 mt7915_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
2090
2091 mt76_worker_enable(&dev->mt76.tx_worker);
2092
2093 napi_enable(&dev->mt76.tx_napi);
2094 napi_schedule(&dev->mt76.tx_napi);
2095
2096 ieee80211_wake_queues(mt76_hw(dev));
2097 if (ext_phy)
2098 ieee80211_wake_queues(ext_phy->hw);
2099
2100 mutex_unlock(&dev->mt76.mutex);
2101
2102 mt7915_update_beacons(dev);
2103
2104 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
2105 MT7915_WATCHDOG_TIME);
2106 if (phy2)
2107 ieee80211_queue_delayed_work(ext_phy->hw,
2108 &phy2->mt76->mac_work,
2109 MT7915_WATCHDOG_TIME);
2110}
2111
2112void mt7915_mac_update_stats(struct mt7915_phy *phy)
2113{
2114 struct mt7915_dev *dev = phy->dev;
2115 struct mib_stats *mib = &phy->mib;
2116 int i, aggr0, aggr1, cnt;
2117 u32 val;
2118
2119 cnt = mt76_rr(dev, MT_MIB_SDR3(phy->band_idx));
2120 mib->fcs_err_cnt += is_mt7915(&dev->mt76) ? FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK, cnt) :
2121 FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK_MT7916, cnt);
2122
2123 cnt = mt76_rr(dev, MT_MIB_SDR4(phy->band_idx));
2124 mib->rx_fifo_full_cnt += FIELD_GET(MT_MIB_SDR4_RX_FIFO_FULL_MASK, cnt);
2125
2126 cnt = mt76_rr(dev, MT_MIB_SDR5(phy->band_idx));
2127 mib->rx_mpdu_cnt += cnt;
2128
2129 cnt = mt76_rr(dev, MT_MIB_SDR6(phy->band_idx));
2130 mib->channel_idle_cnt += FIELD_GET(MT_MIB_SDR6_CHANNEL_IDL_CNT_MASK, cnt);
2131
2132 cnt = mt76_rr(dev, MT_MIB_SDR7(phy->band_idx));
2133 mib->rx_vector_mismatch_cnt += FIELD_GET(MT_MIB_SDR7_RX_VECTOR_MISMATCH_CNT_MASK, cnt);
2134
2135 cnt = mt76_rr(dev, MT_MIB_SDR8(phy->band_idx));
2136 mib->rx_delimiter_fail_cnt += FIELD_GET(MT_MIB_SDR8_RX_DELIMITER_FAIL_CNT_MASK, cnt);
2137
2138 cnt = mt76_rr(dev, MT_MIB_SDR11(phy->band_idx));
2139 mib->rx_len_mismatch_cnt += FIELD_GET(MT_MIB_SDR11_RX_LEN_MISMATCH_CNT_MASK, cnt);
2140
2141 cnt = mt76_rr(dev, MT_MIB_SDR12(phy->band_idx));
2142 mib->tx_ampdu_cnt += cnt;
2143
2144 cnt = mt76_rr(dev, MT_MIB_SDR13(phy->band_idx));
2145 mib->tx_stop_q_empty_cnt += FIELD_GET(MT_MIB_SDR13_TX_STOP_Q_EMPTY_CNT_MASK, cnt);
2146
2147 cnt = mt76_rr(dev, MT_MIB_SDR14(phy->band_idx));
2148 mib->tx_mpdu_attempts_cnt += is_mt7915(&dev->mt76) ?
2149 FIELD_GET(MT_MIB_SDR14_TX_MPDU_ATTEMPTS_CNT_MASK, cnt) :
2150 FIELD_GET(MT_MIB_SDR14_TX_MPDU_ATTEMPTS_CNT_MASK_MT7916, cnt);
2151
2152 cnt = mt76_rr(dev, MT_MIB_SDR15(phy->band_idx));
2153 mib->tx_mpdu_success_cnt += is_mt7915(&dev->mt76) ?
2154 FIELD_GET(MT_MIB_SDR15_TX_MPDU_SUCCESS_CNT_MASK, cnt) :
2155 FIELD_GET(MT_MIB_SDR15_TX_MPDU_SUCCESS_CNT_MASK_MT7916, cnt);
2156
2157 cnt = mt76_rr(dev, MT_MIB_SDR22(phy->band_idx));
2158 mib->rx_ampdu_cnt += cnt;
2159
2160 cnt = mt76_rr(dev, MT_MIB_SDR23(phy->band_idx));
2161 mib->rx_ampdu_bytes_cnt += cnt;
2162
2163 cnt = mt76_rr(dev, MT_MIB_SDR24(phy->band_idx));
2164 mib->rx_ampdu_valid_subframe_cnt += is_mt7915(&dev->mt76) ?
2165 FIELD_GET(MT_MIB_SDR24_RX_AMPDU_SF_CNT_MASK, cnt) :
2166 FIELD_GET(MT_MIB_SDR24_RX_AMPDU_SF_CNT_MASK_MT7916, cnt);
2167
2168 cnt = mt76_rr(dev, MT_MIB_SDR25(phy->band_idx));
2169 mib->rx_ampdu_valid_subframe_bytes_cnt += cnt;
2170
2171 cnt = mt76_rr(dev, MT_MIB_SDR27(phy->band_idx));
2172 mib->tx_rwp_fail_cnt += FIELD_GET(MT_MIB_SDR27_TX_RWP_FAIL_CNT_MASK, cnt);
2173
2174 cnt = mt76_rr(dev, MT_MIB_SDR28(phy->band_idx));
2175 mib->tx_rwp_need_cnt += FIELD_GET(MT_MIB_SDR28_TX_RWP_NEED_CNT_MASK, cnt);
2176
2177 cnt = mt76_rr(dev, MT_MIB_SDR29(phy->band_idx));
2178 mib->rx_pfdrop_cnt += is_mt7915(&dev->mt76) ?
2179 FIELD_GET(MT_MIB_SDR29_RX_PFDROP_CNT_MASK, cnt) :
2180 FIELD_GET(MT_MIB_SDR29_RX_PFDROP_CNT_MASK_MT7916, cnt);
2181
2182 cnt = mt76_rr(dev, MT_MIB_SDRVEC(phy->band_idx));
2183 mib->rx_vec_queue_overflow_drop_cnt += is_mt7915(&dev->mt76) ?
2184 FIELD_GET(MT_MIB_SDR30_RX_VEC_QUEUE_OVERFLOW_DROP_CNT_MASK, cnt) :
2185 FIELD_GET(MT_MIB_SDR30_RX_VEC_QUEUE_OVERFLOW_DROP_CNT_MASK_MT7916, cnt);
2186
2187 cnt = mt76_rr(dev, MT_MIB_SDR31(phy->band_idx));
2188 mib->rx_ba_cnt += cnt;
2189
2190 cnt = mt76_rr(dev, MT_MIB_SDRMUBF(phy->band_idx));
2191 mib->tx_bf_cnt += FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt);
2192
2193 cnt = mt76_rr(dev, MT_MIB_DR8(phy->band_idx));
2194 mib->tx_mu_mpdu_cnt += cnt;
2195
2196 cnt = mt76_rr(dev, MT_MIB_DR9(phy->band_idx));
2197 mib->tx_mu_acked_mpdu_cnt += cnt;
2198
2199 cnt = mt76_rr(dev, MT_MIB_DR11(phy->band_idx));
2200 mib->tx_su_acked_mpdu_cnt += cnt;
2201
2202 cnt = mt76_rr(dev, MT_ETBF_PAR_RPT0(phy->band_idx));
2203 mib->tx_bf_rx_fb_bw = FIELD_GET(MT_ETBF_PAR_RPT0_FB_BW, cnt);
2204 mib->tx_bf_rx_fb_nc_cnt += FIELD_GET(MT_ETBF_PAR_RPT0_FB_NC, cnt);
2205 mib->tx_bf_rx_fb_nr_cnt += FIELD_GET(MT_ETBF_PAR_RPT0_FB_NR, cnt);
2206
2207 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
2208 cnt = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
2209 mib->tx_amsdu[i] += cnt;
2210 mib->tx_amsdu_cnt += cnt;
2211 }
2212
2213 aggr0 = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
2214 if (is_mt7915(&dev->mt76)) {
2215 for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) {
2216 val = mt76_rr(dev, MT_MIB_MB_SDR1(phy->band_idx, (i << 4)));
2217 mib->ba_miss_cnt += FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
2218 mib->ack_fail_cnt +=
2219 FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
2220
2221 val = mt76_rr(dev, MT_MIB_MB_SDR0(phy->band_idx, (i << 4)));
2222 mib->rts_cnt += FIELD_GET(MT_MIB_RTS_COUNT_MASK, val);
2223 mib->rts_retries_cnt +=
2224 FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);
2225
2226 val = mt76_rr(dev, MT_TX_AGG_CNT(phy->band_idx, i));
2227 dev->mt76.aggr_stats[aggr0++] += val & 0xffff;
2228 dev->mt76.aggr_stats[aggr0++] += val >> 16;
2229
2230 val = mt76_rr(dev, MT_TX_AGG_CNT2(phy->band_idx, i));
2231 dev->mt76.aggr_stats[aggr1++] += val & 0xffff;
2232 dev->mt76.aggr_stats[aggr1++] += val >> 16;
2233 }
2234
2235 cnt = mt76_rr(dev, MT_MIB_SDR32(phy->band_idx));
2236 mib->tx_pkt_ebf_cnt += FIELD_GET(MT_MIB_SDR32_TX_PKT_EBF_CNT, cnt);
2237
2238 cnt = mt76_rr(dev, MT_MIB_SDR33(phy->band_idx));
2239 mib->tx_pkt_ibf_cnt += FIELD_GET(MT_MIB_SDR33_TX_PKT_IBF_CNT, cnt);
2240
2241 cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(phy->band_idx));
2242 mib->tx_bf_ibf_ppdu_cnt += FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt);
2243 mib->tx_bf_ebf_ppdu_cnt += FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt);
2244
2245 cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(phy->band_idx));
2246 mib->tx_bf_fb_cpl_cnt += FIELD_GET(MT_ETBF_TX_FB_CPL, cnt);
2247 mib->tx_bf_fb_trig_cnt += FIELD_GET(MT_ETBF_TX_FB_TRI, cnt);
2248
2249 cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(phy->band_idx));
2250 mib->tx_bf_rx_fb_all_cnt += FIELD_GET(MT_ETBF_RX_FB_ALL, cnt);
2251 mib->tx_bf_rx_fb_he_cnt += FIELD_GET(MT_ETBF_RX_FB_HE, cnt);
2252 mib->tx_bf_rx_fb_vht_cnt += FIELD_GET(MT_ETBF_RX_FB_VHT, cnt);
2253 mib->tx_bf_rx_fb_ht_cnt += FIELD_GET(MT_ETBF_RX_FB_HT, cnt);
2254 } else {
2255 for (i = 0; i < 2; i++) {
2256 /* rts count */
2257 val = mt76_rr(dev, MT_MIB_MB_SDR0(phy->band_idx, (i << 2)));
2258 mib->rts_cnt += FIELD_GET(GENMASK(15, 0), val);
2259 mib->rts_cnt += FIELD_GET(GENMASK(31, 16), val);
2260
2261 /* rts retry count */
2262 val = mt76_rr(dev, MT_MIB_MB_SDR1(phy->band_idx, (i << 2)));
2263 mib->rts_retries_cnt += FIELD_GET(GENMASK(15, 0), val);
2264 mib->rts_retries_cnt += FIELD_GET(GENMASK(31, 16), val);
2265
2266 /* ba miss count */
2267 val = mt76_rr(dev, MT_MIB_MB_SDR2(phy->band_idx, (i << 2)));
2268 mib->ba_miss_cnt += FIELD_GET(GENMASK(15, 0), val);
2269 mib->ba_miss_cnt += FIELD_GET(GENMASK(31, 16), val);
2270
2271 /* ack fail count */
2272 val = mt76_rr(dev, MT_MIB_MB_BFTF(phy->band_idx, (i << 2)));
2273 mib->ack_fail_cnt += FIELD_GET(GENMASK(15, 0), val);
2274 mib->ack_fail_cnt += FIELD_GET(GENMASK(31, 16), val);
2275 }
2276
2277 for (i = 0; i < 8; i++) {
2278 val = mt76_rr(dev, MT_TX_AGG_CNT(phy->band_idx, i));
2279 dev->mt76.aggr_stats[aggr0++] += FIELD_GET(GENMASK(15, 0), val);
2280 dev->mt76.aggr_stats[aggr0++] += FIELD_GET(GENMASK(31, 16), val);
2281 }
2282
2283 cnt = mt76_rr(dev, MT_MIB_SDR32(phy->band_idx));
2284 mib->tx_pkt_ibf_cnt += FIELD_GET(MT_MIB_SDR32_TX_PKT_IBF_CNT, cnt);
2285 mib->tx_bf_ibf_ppdu_cnt += FIELD_GET(MT_MIB_SDR32_TX_PKT_IBF_CNT, cnt);
2286 mib->tx_pkt_ebf_cnt += FIELD_GET(MT_MIB_SDR32_TX_PKT_EBF_CNT, cnt);
2287 mib->tx_bf_ebf_ppdu_cnt += FIELD_GET(MT_MIB_SDR32_TX_PKT_EBF_CNT, cnt);
2288
2289 cnt = mt76_rr(dev, MT_MIB_BFCR7(phy->band_idx));
2290 mib->tx_bf_fb_cpl_cnt += FIELD_GET(MT_MIB_BFCR7_BFEE_TX_FB_CPL, cnt);
2291
2292 cnt = mt76_rr(dev, MT_MIB_BFCR2(phy->band_idx));
2293 mib->tx_bf_fb_trig_cnt += FIELD_GET(MT_MIB_BFCR2_BFEE_TX_FB_TRIG, cnt);
2294
2295 cnt = mt76_rr(dev, MT_MIB_BFCR0(phy->band_idx));
2296 mib->tx_bf_rx_fb_vht_cnt += FIELD_GET(MT_MIB_BFCR0_RX_FB_VHT, cnt);
2297 mib->tx_bf_rx_fb_all_cnt += FIELD_GET(MT_MIB_BFCR0_RX_FB_VHT, cnt);
2298 mib->tx_bf_rx_fb_ht_cnt += FIELD_GET(MT_MIB_BFCR0_RX_FB_HT, cnt);
2299 mib->tx_bf_rx_fb_all_cnt += FIELD_GET(MT_MIB_BFCR0_RX_FB_HT, cnt);
2300
2301 cnt = mt76_rr(dev, MT_MIB_BFCR1(phy->band_idx));
2302 mib->tx_bf_rx_fb_he_cnt += FIELD_GET(MT_MIB_BFCR1_RX_FB_HE, cnt);
2303 mib->tx_bf_rx_fb_all_cnt += FIELD_GET(MT_MIB_BFCR1_RX_FB_HE, cnt);
2304 }
2305}
2306
2307void mt7915_mac_sta_rc_work(struct work_struct *work)
2308{
2309 struct mt7915_dev *dev = container_of(work, struct mt7915_dev, rc_work);
2310 struct ieee80211_sta *sta;
2311 struct ieee80211_vif *vif;
2312 struct mt7915_sta *msta;
2313 u32 changed;
2314 LIST_HEAD(list);
2315
2316 spin_lock_bh(&dev->sta_poll_lock);
2317 list_splice_init(&dev->sta_rc_list, &list);
2318
2319 while (!list_empty(&list)) {
2320 msta = list_first_entry(&list, struct mt7915_sta, rc_list);
2321 list_del_init(&msta->rc_list);
2322 changed = msta->changed;
2323 msta->changed = 0;
2324 spin_unlock_bh(&dev->sta_poll_lock);
2325
2326 sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
2327 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
2328
2329 if (changed & (IEEE80211_RC_SUPP_RATES_CHANGED |
2330 IEEE80211_RC_NSS_CHANGED |
2331 IEEE80211_RC_BW_CHANGED))
2332 mt7915_mcu_add_rate_ctrl(dev, vif, sta, true);
2333
2334 if (changed & IEEE80211_RC_SMPS_CHANGED)
2335 mt7915_mcu_add_smps(dev, vif, sta);
2336
2337 spin_lock_bh(&dev->sta_poll_lock);
2338 }
2339
2340 spin_unlock_bh(&dev->sta_poll_lock);
2341}
2342
2343void mt7915_mac_work(struct work_struct *work)
2344{
2345 struct mt7915_phy *phy;
2346 struct mt76_phy *mphy;
2347
2348 mphy = (struct mt76_phy *)container_of(work, struct mt76_phy,
2349 mac_work.work);
2350 phy = mphy->priv;
2351
2352 mutex_lock(&mphy->dev->mutex);
2353
2354 mt76_update_survey(mphy);
2355 if (++mphy->mac_work_count == 5) {
2356 mphy->mac_work_count = 0;
2357
2358 mt7915_mac_update_stats(phy);
2359 }
2360
2361 mutex_unlock(&mphy->dev->mutex);
2362
2363 mt76_tx_status_check(mphy->dev, false);
2364
2365 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
2366 MT7915_WATCHDOG_TIME);
2367}
2368
2369static void mt7915_dfs_stop_radar_detector(struct mt7915_phy *phy)
2370{
2371 struct mt7915_dev *dev = phy->dev;
2372
2373 if (phy->rdd_state & BIT(0))
2374 mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_STOP, 0,
2375 MT_RX_SEL0, 0);
2376 if (phy->rdd_state & BIT(1))
2377 mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_STOP, 1,
2378 MT_RX_SEL0, 0);
2379}
2380
2381static int mt7915_dfs_start_rdd(struct mt7915_dev *dev, int chain)
2382{
2383 int err, region;
2384
2385 switch (dev->mt76.region) {
2386 case NL80211_DFS_ETSI:
2387 region = 0;
2388 break;
2389 case NL80211_DFS_JP:
2390 region = 2;
2391 break;
2392 case NL80211_DFS_FCC:
2393 default:
2394 region = 1;
2395 break;
2396 }
2397
2398 err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_START, chain,
2399 MT_RX_SEL0, region);
2400 if (err < 0)
2401 return err;
2402
2403 return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_DET_MODE, chain,
2404 MT_RX_SEL0, 1);
2405}
2406
2407static int mt7915_dfs_start_radar_detector(struct mt7915_phy *phy)
2408{
2409 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
2410 struct mt7915_dev *dev = phy->dev;
2411 int err;
2412
2413 /* start CAC */
2414 err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_CAC_START, phy->band_idx,
2415 MT_RX_SEL0, 0);
2416 if (err < 0)
2417 return err;
2418
2419 err = mt7915_dfs_start_rdd(dev, phy->band_idx);
2420 if (err < 0)
2421 return err;
2422
2423 phy->rdd_state |= BIT(phy->band_idx);
2424
2425 if (!is_mt7915(&dev->mt76))
2426 return 0;
2427
2428 if (chandef->width == NL80211_CHAN_WIDTH_160 ||
2429 chandef->width == NL80211_CHAN_WIDTH_80P80) {
2430 err = mt7915_dfs_start_rdd(dev, 1);
2431 if (err < 0)
2432 return err;
2433
2434 phy->rdd_state |= BIT(1);
2435 }
2436
2437 return 0;
2438}
2439
2440static int
2441mt7915_dfs_init_radar_specs(struct mt7915_phy *phy)
2442{
2443 const struct mt7915_dfs_radar_spec *radar_specs;
2444 struct mt7915_dev *dev = phy->dev;
2445 int err, i;
2446
2447 switch (dev->mt76.region) {
2448 case NL80211_DFS_FCC:
2449 radar_specs = &fcc_radar_specs;
2450 err = mt7915_mcu_set_fcc5_lpn(dev, 8);
2451 if (err < 0)
2452 return err;
2453 break;
2454 case NL80211_DFS_ETSI:
2455 radar_specs = &etsi_radar_specs;
2456 break;
2457 case NL80211_DFS_JP:
2458 radar_specs = &jp_radar_specs;
2459 break;
2460 default:
2461 return -EINVAL;
2462 }
2463
2464 for (i = 0; i < ARRAY_SIZE(radar_specs->radar_pattern); i++) {
2465 err = mt7915_mcu_set_radar_th(dev, i,
2466 &radar_specs->radar_pattern[i]);
2467 if (err < 0)
2468 return err;
2469 }
2470
2471 return mt7915_mcu_set_pulse_th(dev, &radar_specs->pulse_th);
2472}
2473
2474int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy)
2475{
2476 struct mt7915_dev *dev = phy->dev;
2477 enum mt76_dfs_state dfs_state, prev_state;
2478 int err;
2479
2480 prev_state = phy->mt76->dfs_state;
2481 dfs_state = mt76_phy_dfs_state(phy->mt76);
2482
2483 if (prev_state == dfs_state)
2484 return 0;
2485
2486 if (prev_state == MT_DFS_STATE_UNKNOWN)
2487 mt7915_dfs_stop_radar_detector(phy);
2488
2489 if (dfs_state == MT_DFS_STATE_DISABLED)
2490 goto stop;
2491
2492 if (prev_state <= MT_DFS_STATE_DISABLED) {
2493 err = mt7915_dfs_init_radar_specs(phy);
2494 if (err < 0)
2495 return err;
2496
2497 err = mt7915_dfs_start_radar_detector(phy);
2498 if (err < 0)
2499 return err;
2500
2501 phy->mt76->dfs_state = MT_DFS_STATE_CAC;
2502 }
2503
2504 if (dfs_state == MT_DFS_STATE_CAC)
2505 return 0;
2506
2507 err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_CAC_END,
2508 phy->band_idx, MT_RX_SEL0, 0);
2509 if (err < 0) {
2510 phy->mt76->dfs_state = MT_DFS_STATE_UNKNOWN;
2511 return err;
2512 }
2513
2514 phy->mt76->dfs_state = MT_DFS_STATE_ACTIVE;
2515 return 0;
2516
2517stop:
2518 err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_NORMAL_START,
2519 phy->band_idx, MT_RX_SEL0, 0);
2520 if (err < 0)
2521 return err;
2522
2523 mt7915_dfs_stop_radar_detector(phy);
2524 phy->mt76->dfs_state = MT_DFS_STATE_DISABLED;
2525
2526 return 0;
2527}
2528
2529static int
2530mt7915_mac_twt_duration_align(int duration)
2531{
2532 return duration << 8;
2533}
2534
2535static u64
2536mt7915_mac_twt_sched_list_add(struct mt7915_dev *dev,
2537 struct mt7915_twt_flow *flow)
2538{
2539 struct mt7915_twt_flow *iter, *iter_next;
2540 u32 duration = flow->duration << 8;
2541 u64 start_tsf;
2542
2543 iter = list_first_entry_or_null(&dev->twt_list,
2544 struct mt7915_twt_flow, list);
2545 if (!iter || !iter->sched || iter->start_tsf > duration) {
2546 /* add flow as first entry in the list */
2547 list_add(&flow->list, &dev->twt_list);
2548 return 0;
2549 }
2550
2551 list_for_each_entry_safe(iter, iter_next, &dev->twt_list, list) {
2552 start_tsf = iter->start_tsf +
2553 mt7915_mac_twt_duration_align(iter->duration);
2554 if (list_is_last(&iter->list, &dev->twt_list))
2555 break;
2556
2557 if (!iter_next->sched ||
2558 iter_next->start_tsf > start_tsf + duration) {
2559 list_add(&flow->list, &iter->list);
2560 goto out;
2561 }
2562 }
2563
2564 /* add flow as last entry in the list */
2565 list_add_tail(&flow->list, &dev->twt_list);
2566out:
2567 return start_tsf;
2568}
2569
2570static int mt7915_mac_check_twt_req(struct ieee80211_twt_setup *twt)
2571{
2572 struct ieee80211_twt_params *twt_agrt;
2573 u64 interval, duration;
2574 u16 mantissa;
2575 u8 exp;
2576
2577 /* only individual agreement supported */
2578 if (twt->control & IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST)
2579 return -EOPNOTSUPP;
2580
2581 /* only 256us unit supported */
2582 if (twt->control & IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT)
2583 return -EOPNOTSUPP;
2584
2585 twt_agrt = (struct ieee80211_twt_params *)twt->params;
2586
2587 /* explicit agreement not supported */
2588 if (!(twt_agrt->req_type & cpu_to_le16(IEEE80211_TWT_REQTYPE_IMPLICIT)))
2589 return -EOPNOTSUPP;
2590
2591 exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP,
2592 le16_to_cpu(twt_agrt->req_type));
2593 mantissa = le16_to_cpu(twt_agrt->mantissa);
2594 duration = twt_agrt->min_twt_dur << 8;
2595
2596 interval = (u64)mantissa << exp;
2597 if (interval < duration)
2598 return -EOPNOTSUPP;
2599
2600 return 0;
2601}
2602
2603void mt7915_mac_add_twt_setup(struct ieee80211_hw *hw,
2604 struct ieee80211_sta *sta,
2605 struct ieee80211_twt_setup *twt)
2606{
2607 enum ieee80211_twt_setup_cmd setup_cmd = TWT_SETUP_CMD_REJECT;
2608 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
2609 struct ieee80211_twt_params *twt_agrt = (void *)twt->params;
2610 u16 req_type = le16_to_cpu(twt_agrt->req_type);
2611 enum ieee80211_twt_setup_cmd sta_setup_cmd;
2612 struct mt7915_dev *dev = mt7915_hw_dev(hw);
2613 struct mt7915_twt_flow *flow;
2614 int flowid, table_id;
2615 u8 exp;
2616
2617 if (mt7915_mac_check_twt_req(twt))
2618 goto out;
2619
2620 mutex_lock(&dev->mt76.mutex);
2621
2622 if (dev->twt.n_agrt == MT7915_MAX_TWT_AGRT)
2623 goto unlock;
2624
2625 if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow))
2626 goto unlock;
2627
2628 flowid = ffs(~msta->twt.flowid_mask) - 1;
2629 le16p_replace_bits(&twt_agrt->req_type, flowid,
2630 IEEE80211_TWT_REQTYPE_FLOWID);
2631
2632 table_id = ffs(~dev->twt.table_mask) - 1;
2633 exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP, req_type);
2634 sta_setup_cmd = FIELD_GET(IEEE80211_TWT_REQTYPE_SETUP_CMD, req_type);
2635
2636 flow = &msta->twt.flow[flowid];
2637 memset(flow, 0, sizeof(*flow));
2638 INIT_LIST_HEAD(&flow->list);
2639 flow->wcid = msta->wcid.idx;
2640 flow->table_id = table_id;
2641 flow->id = flowid;
2642 flow->duration = twt_agrt->min_twt_dur;
2643 flow->mantissa = twt_agrt->mantissa;
2644 flow->exp = exp;
2645 flow->protection = !!(req_type & IEEE80211_TWT_REQTYPE_PROTECTION);
2646 flow->flowtype = !!(req_type & IEEE80211_TWT_REQTYPE_FLOWTYPE);
2647 flow->trigger = !!(req_type & IEEE80211_TWT_REQTYPE_TRIGGER);
2648
2649 if (sta_setup_cmd == TWT_SETUP_CMD_REQUEST ||
2650 sta_setup_cmd == TWT_SETUP_CMD_SUGGEST) {
2651 u64 interval = (u64)le16_to_cpu(twt_agrt->mantissa) << exp;
2652 u64 flow_tsf, curr_tsf;
2653 u32 rem;
2654
2655 flow->sched = true;
2656 flow->start_tsf = mt7915_mac_twt_sched_list_add(dev, flow);
2657 curr_tsf = __mt7915_get_tsf(hw, msta->vif);
2658 div_u64_rem(curr_tsf - flow->start_tsf, interval, &rem);
2659 flow_tsf = curr_tsf + interval - rem;
2660 twt_agrt->twt = cpu_to_le64(flow_tsf);
2661 } else {
2662 list_add_tail(&flow->list, &dev->twt_list);
2663 }
2664 flow->tsf = le64_to_cpu(twt_agrt->twt);
2665
2666 if (mt7915_mcu_twt_agrt_update(dev, msta->vif, flow, MCU_TWT_AGRT_ADD))
2667 goto unlock;
2668
2669 setup_cmd = TWT_SETUP_CMD_ACCEPT;
2670 dev->twt.table_mask |= BIT(table_id);
2671 msta->twt.flowid_mask |= BIT(flowid);
2672 dev->twt.n_agrt++;
2673
2674unlock:
2675 mutex_unlock(&dev->mt76.mutex);
2676out:
2677 le16p_replace_bits(&twt_agrt->req_type, setup_cmd,
2678 IEEE80211_TWT_REQTYPE_SETUP_CMD);
2679 twt->control = (twt->control & IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT) |
2680 (twt->control & IEEE80211_TWT_CONTROL_RX_DISABLED);
2681}
2682
2683void mt7915_mac_twt_teardown_flow(struct mt7915_dev *dev,
2684 struct mt7915_sta *msta,
2685 u8 flowid)
2686{
2687 struct mt7915_twt_flow *flow;
2688
2689 lockdep_assert_held(&dev->mt76.mutex);
2690
2691 if (flowid >= ARRAY_SIZE(msta->twt.flow))
2692 return;
2693
2694 if (!(msta->twt.flowid_mask & BIT(flowid)))
2695 return;
2696
2697 flow = &msta->twt.flow[flowid];
2698 if (mt7915_mcu_twt_agrt_update(dev, msta->vif, flow,
2699 MCU_TWT_AGRT_DELETE))
2700 return;
2701
2702 list_del_init(&flow->list);
2703 msta->twt.flowid_mask &= ~BIT(flowid);
2704 dev->twt.table_mask &= ~BIT(flow->table_id);
2705 dev->twt.n_agrt--;
2706}