1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include "mt7915.h"
5 #include "mac.h"
6 #include "mcu.h"
7 #include "testmode.h"
8
9 enum {
10 TM_CHANGED_TXPOWER,
11 TM_CHANGED_FREQ_OFFSET,
12
13 /* must be last */
14 NUM_TM_CHANGED
15 };
16
17 static const u8 tm_change_map[] = {
18 [TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER,
19 [TM_CHANGED_FREQ_OFFSET] = MT76_TM_ATTR_FREQ_OFFSET,
20 };
21
22 struct reg_band {
23 u32 band[2];
24 };
25
26 #define REG_BAND(_list, _reg) \
27 { _list.band[0] = MT_##_reg(0); \
28 _list.band[1] = MT_##_reg(1); }
29 #define REG_BAND_IDX(_list, _reg, _idx) \
30 { _list.band[0] = MT_##_reg(0, _idx); \
31 _list.band[1] = MT_##_reg(1, _idx); }
32
33 #define TM_REG_MAX_ID 17
34 static struct reg_band reg_backup_list[TM_REG_MAX_ID];
35
36
37 static int
mt7915_tm_set_tx_power(struct mt7915_phy * phy)38 mt7915_tm_set_tx_power(struct mt7915_phy *phy)
39 {
40 struct mt7915_dev *dev = phy->dev;
41 struct mt76_phy *mphy = phy->mt76;
42 struct cfg80211_chan_def *chandef = &mphy->chandef;
43 int freq = chandef->center_freq1;
44 int ret;
45 struct {
46 u8 format_id;
47 u8 band_idx;
48 s8 tx_power;
49 u8 ant_idx; /* Only 0 is valid */
50 u8 center_chan;
51 u8 rsv[3];
52 } __packed req = {
53 .format_id = 0xf,
54 .band_idx = phy->mt76->band_idx,
55 .center_chan = ieee80211_frequency_to_channel(freq),
56 };
57 u8 *tx_power = NULL;
58
59 if (phy->mt76->test.state != MT76_TM_STATE_OFF)
60 tx_power = phy->mt76->test.tx_power;
61
62 /* Tx power of the other antennas are the same as antenna 0 */
63 if (tx_power && tx_power[0])
64 req.tx_power = tx_power[0];
65
66 ret = mt76_mcu_send_msg(&dev->mt76,
67 MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
68 &req, sizeof(req), false);
69
70 return ret;
71 }
72
73 static int
mt7915_tm_set_freq_offset(struct mt7915_phy * phy,bool en,u32 val)74 mt7915_tm_set_freq_offset(struct mt7915_phy *phy, bool en, u32 val)
75 {
76 struct mt7915_dev *dev = phy->dev;
77 struct mt7915_tm_cmd req = {
78 .testmode_en = en,
79 .param_idx = MCU_ATE_SET_FREQ_OFFSET,
80 .param.freq.band = phy->mt76->band_idx,
81 .param.freq.freq_offset = cpu_to_le32(val),
82 };
83
84 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
85 sizeof(req), false);
86 }
87
88 static int
mt7915_tm_mode_ctrl(struct mt7915_dev * dev,bool enable)89 mt7915_tm_mode_ctrl(struct mt7915_dev *dev, bool enable)
90 {
91 struct {
92 u8 format_id;
93 bool enable;
94 u8 rsv[2];
95 } __packed req = {
96 .format_id = 0x6,
97 .enable = enable,
98 };
99
100 return mt76_mcu_send_msg(&dev->mt76,
101 MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
102 &req, sizeof(req), false);
103 }
104
105 static int
mt7915_tm_set_trx(struct mt7915_phy * phy,int type,bool en)106 mt7915_tm_set_trx(struct mt7915_phy *phy, int type, bool en)
107 {
108 struct mt7915_dev *dev = phy->dev;
109 struct mt7915_tm_cmd req = {
110 .testmode_en = 1,
111 .param_idx = MCU_ATE_SET_TRX,
112 .param.trx.type = type,
113 .param.trx.enable = en,
114 .param.trx.band = phy->mt76->band_idx,
115 };
116
117 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
118 sizeof(req), false);
119 }
120
121 static int
mt7915_tm_clean_hwq(struct mt7915_phy * phy,u8 wcid)122 mt7915_tm_clean_hwq(struct mt7915_phy *phy, u8 wcid)
123 {
124 struct mt7915_dev *dev = phy->dev;
125 struct mt7915_tm_cmd req = {
126 .testmode_en = 1,
127 .param_idx = MCU_ATE_CLEAN_TXQUEUE,
128 .param.clean.wcid = wcid,
129 .param.clean.band = phy->mt76->band_idx,
130 };
131
132 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
133 sizeof(req), false);
134 }
135
136 static int
mt7915_tm_set_slot_time(struct mt7915_phy * phy,u8 slot_time,u8 sifs)137 mt7915_tm_set_slot_time(struct mt7915_phy *phy, u8 slot_time, u8 sifs)
138 {
139 struct mt7915_dev *dev = phy->dev;
140 struct mt7915_tm_cmd req = {
141 .testmode_en = !(phy->mt76->test.state == MT76_TM_STATE_OFF),
142 .param_idx = MCU_ATE_SET_SLOT_TIME,
143 .param.slot.slot_time = slot_time,
144 .param.slot.sifs = sifs,
145 .param.slot.rifs = 2,
146 .param.slot.eifs = cpu_to_le16(60),
147 .param.slot.band = phy->mt76->band_idx,
148 };
149
150 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
151 sizeof(req), false);
152 }
153
154 static int
mt7915_tm_set_tam_arb(struct mt7915_phy * phy,bool enable,bool mu)155 mt7915_tm_set_tam_arb(struct mt7915_phy *phy, bool enable, bool mu)
156 {
157 struct mt7915_dev *dev = phy->dev;
158 u32 op_mode;
159
160 if (!enable)
161 op_mode = TAM_ARB_OP_MODE_NORMAL;
162 else if (mu)
163 op_mode = TAM_ARB_OP_MODE_TEST;
164 else
165 op_mode = TAM_ARB_OP_MODE_FORCE_SU;
166
167 return mt7915_mcu_set_muru_ctrl(dev, MURU_SET_ARB_OP_MODE, op_mode);
168 }
169
170 static int
mt7915_tm_set_wmm_qid(struct mt7915_phy * phy,u8 qid,u8 aifs,u8 cw_min,u16 cw_max,u16 txop)171 mt7915_tm_set_wmm_qid(struct mt7915_phy *phy, u8 qid, u8 aifs, u8 cw_min,
172 u16 cw_max, u16 txop)
173 {
174 struct mt7915_vif *mvif = (struct mt7915_vif *)phy->monitor_vif->drv_priv;
175 struct mt7915_mcu_tx req = { .total = 1 };
176 struct edca *e = &req.edca[0];
177
178 e->queue = qid + mvif->mt76.wmm_idx * MT76_CONNAC_MAX_WMM_SETS;
179 e->set = WMM_PARAM_SET;
180
181 e->aifs = aifs;
182 e->cw_min = cw_min;
183 e->cw_max = cpu_to_le16(cw_max);
184 e->txop = cpu_to_le16(txop);
185
186 return mt7915_mcu_update_edca(phy->dev, &req);
187 }
188
189 static int
mt7915_tm_set_ipg_params(struct mt7915_phy * phy,u32 ipg,u8 mode)190 mt7915_tm_set_ipg_params(struct mt7915_phy *phy, u32 ipg, u8 mode)
191 {
192 #define TM_DEFAULT_SIFS 10
193 #define TM_MAX_SIFS 127
194 #define TM_MAX_AIFSN 0xf
195 #define TM_MIN_AIFSN 0x1
196 #define BBP_PROC_TIME 1500
197 struct mt7915_dev *dev = phy->dev;
198 u8 sig_ext = (mode == MT76_TM_TX_MODE_CCK) ? 0 : 6;
199 u8 slot_time = 9, sifs = TM_DEFAULT_SIFS;
200 u8 aifsn = TM_MIN_AIFSN;
201 u8 band = phy->mt76->band_idx;
202 u32 i2t_time, tr2t_time, txv_time;
203 u16 cw = 0;
204
205 if (ipg < sig_ext + slot_time + sifs)
206 ipg = 0;
207
208 if (!ipg)
209 goto done;
210
211 ipg -= sig_ext;
212
213 if (ipg <= (TM_MAX_SIFS + slot_time)) {
214 sifs = ipg - slot_time;
215 } else {
216 u32 val = (ipg + slot_time) / slot_time;
217
218 while (val >>= 1)
219 cw++;
220
221 if (cw > 16)
222 cw = 16;
223
224 ipg -= ((1 << cw) - 1) * slot_time;
225
226 aifsn = ipg / slot_time;
227 if (aifsn > TM_MAX_AIFSN)
228 aifsn = TM_MAX_AIFSN;
229
230 ipg -= aifsn * slot_time;
231
232 if (ipg > TM_DEFAULT_SIFS)
233 sifs = min_t(u32, ipg, TM_MAX_SIFS);
234 }
235 done:
236 txv_time = mt76_get_field(dev, MT_TMAC_ATCR(band),
237 MT_TMAC_ATCR_TXV_TOUT);
238 txv_time *= 50; /* normal clock time */
239
240 i2t_time = (slot_time * 1000 - txv_time - BBP_PROC_TIME) / 50;
241 tr2t_time = (sifs * 1000 - txv_time - BBP_PROC_TIME) / 50;
242
243 mt76_set(dev, MT_TMAC_TRCR0(band),
244 FIELD_PREP(MT_TMAC_TRCR0_TR2T_CHK, tr2t_time) |
245 FIELD_PREP(MT_TMAC_TRCR0_I2T_CHK, i2t_time));
246
247 mt7915_tm_set_slot_time(phy, slot_time, sifs);
248
249 return mt7915_tm_set_wmm_qid(phy,
250 mt76_connac_lmac_mapping(IEEE80211_AC_BE),
251 aifsn, cw, cw, 0);
252 }
253
254 static int
mt7915_tm_set_tx_len(struct mt7915_phy * phy,u32 tx_time)255 mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time)
256 {
257 struct mt76_phy *mphy = phy->mt76;
258 struct mt76_testmode_data *td = &mphy->test;
259 struct ieee80211_supported_band *sband;
260 struct rate_info rate = {};
261 u16 flags = 0, tx_len;
262 u32 bitrate;
263 int ret;
264
265 if (!tx_time)
266 return 0;
267
268 rate.mcs = td->tx_rate_idx;
269 rate.nss = td->tx_rate_nss;
270
271 switch (td->tx_rate_mode) {
272 case MT76_TM_TX_MODE_CCK:
273 case MT76_TM_TX_MODE_OFDM:
274 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
275 sband = &mphy->sband_5g.sband;
276 else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ)
277 sband = &mphy->sband_6g.sband;
278 else
279 sband = &mphy->sband_2g.sband;
280
281 rate.legacy = sband->bitrates[rate.mcs].bitrate;
282 break;
283 case MT76_TM_TX_MODE_HT:
284 rate.mcs += rate.nss * 8;
285 flags |= RATE_INFO_FLAGS_MCS;
286
287 if (td->tx_rate_sgi)
288 flags |= RATE_INFO_FLAGS_SHORT_GI;
289 break;
290 case MT76_TM_TX_MODE_VHT:
291 flags |= RATE_INFO_FLAGS_VHT_MCS;
292
293 if (td->tx_rate_sgi)
294 flags |= RATE_INFO_FLAGS_SHORT_GI;
295 break;
296 case MT76_TM_TX_MODE_HE_SU:
297 case MT76_TM_TX_MODE_HE_EXT_SU:
298 case MT76_TM_TX_MODE_HE_TB:
299 case MT76_TM_TX_MODE_HE_MU:
300 rate.he_gi = td->tx_rate_sgi;
301 flags |= RATE_INFO_FLAGS_HE_MCS;
302 break;
303 default:
304 break;
305 }
306 rate.flags = flags;
307
308 switch (mphy->chandef.width) {
309 case NL80211_CHAN_WIDTH_160:
310 case NL80211_CHAN_WIDTH_80P80:
311 rate.bw = RATE_INFO_BW_160;
312 break;
313 case NL80211_CHAN_WIDTH_80:
314 rate.bw = RATE_INFO_BW_80;
315 break;
316 case NL80211_CHAN_WIDTH_40:
317 rate.bw = RATE_INFO_BW_40;
318 break;
319 default:
320 rate.bw = RATE_INFO_BW_20;
321 break;
322 }
323
324 bitrate = cfg80211_calculate_bitrate(&rate);
325 tx_len = bitrate * tx_time / 10 / 8;
326
327 ret = mt76_testmode_alloc_skb(phy->mt76, tx_len);
328 if (ret)
329 return ret;
330
331 return 0;
332 }
333
334 static void
mt7915_tm_reg_backup_restore(struct mt7915_phy * phy)335 mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
336 {
337 int n_regs = ARRAY_SIZE(reg_backup_list);
338 struct mt7915_dev *dev = phy->dev;
339 u32 *b = phy->test.reg_backup;
340 u8 band = phy->mt76->band_idx;
341 int i;
342
343 REG_BAND_IDX(reg_backup_list[0], AGG_PCR0, 0);
344 REG_BAND_IDX(reg_backup_list[1], AGG_PCR0, 1);
345 REG_BAND_IDX(reg_backup_list[2], AGG_AWSCR0, 0);
346 REG_BAND_IDX(reg_backup_list[3], AGG_AWSCR0, 1);
347 REG_BAND_IDX(reg_backup_list[4], AGG_AWSCR0, 2);
348 REG_BAND_IDX(reg_backup_list[5], AGG_AWSCR0, 3);
349 REG_BAND(reg_backup_list[6], AGG_MRCR);
350 REG_BAND(reg_backup_list[7], TMAC_TFCR0);
351 REG_BAND(reg_backup_list[8], TMAC_TCR0);
352 REG_BAND(reg_backup_list[9], AGG_ATCR1);
353 REG_BAND(reg_backup_list[10], AGG_ATCR3);
354 REG_BAND(reg_backup_list[11], TMAC_TRCR0);
355 REG_BAND(reg_backup_list[12], TMAC_ICR0);
356 REG_BAND_IDX(reg_backup_list[13], ARB_DRNGR0, 0);
357 REG_BAND_IDX(reg_backup_list[14], ARB_DRNGR0, 1);
358 REG_BAND(reg_backup_list[15], WF_RFCR);
359 REG_BAND(reg_backup_list[16], WF_RFCR1);
360
361 if (phy->mt76->test.state == MT76_TM_STATE_OFF) {
362 for (i = 0; i < n_regs; i++)
363 mt76_wr(dev, reg_backup_list[i].band[band], b[i]);
364 return;
365 }
366
367 if (!b) {
368 b = devm_kzalloc(dev->mt76.dev, 4 * n_regs, GFP_KERNEL);
369 if (!b)
370 return;
371
372 phy->test.reg_backup = b;
373 for (i = 0; i < n_regs; i++)
374 b[i] = mt76_rr(dev, reg_backup_list[i].band[band]);
375 }
376
377 mt76_clear(dev, MT_AGG_PCR0(band, 0), MT_AGG_PCR0_MM_PROT |
378 MT_AGG_PCR0_GF_PROT | MT_AGG_PCR0_ERP_PROT |
379 MT_AGG_PCR0_VHT_PROT | MT_AGG_PCR0_BW20_PROT |
380 MT_AGG_PCR0_BW40_PROT | MT_AGG_PCR0_BW80_PROT);
381 mt76_set(dev, MT_AGG_PCR0(band, 0), MT_AGG_PCR0_PTA_WIN_DIS);
382
383 mt76_wr(dev, MT_AGG_PCR0(band, 1), MT_AGG_PCR1_RTS0_NUM_THRES |
384 MT_AGG_PCR1_RTS0_LEN_THRES);
385
386 mt76_clear(dev, MT_AGG_MRCR(band), MT_AGG_MRCR_BAR_CNT_LIMIT |
387 MT_AGG_MRCR_LAST_RTS_CTS_RN | MT_AGG_MRCR_RTS_FAIL_LIMIT |
388 MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT);
389
390 mt76_rmw(dev, MT_AGG_MRCR(band), MT_AGG_MRCR_RTS_FAIL_LIMIT |
391 MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT,
392 FIELD_PREP(MT_AGG_MRCR_RTS_FAIL_LIMIT, 1) |
393 FIELD_PREP(MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT, 1));
394
395 mt76_wr(dev, MT_TMAC_TFCR0(band), 0);
396 mt76_clear(dev, MT_TMAC_TCR0(band), MT_TMAC_TCR0_TBTT_STOP_CTRL);
397
398 /* config rx filter for testmode rx */
399 mt76_wr(dev, MT_WF_RFCR(band), 0xcf70a);
400 mt76_wr(dev, MT_WF_RFCR1(band), 0);
401 }
402
403 static void
mt7915_tm_init(struct mt7915_phy * phy,bool en)404 mt7915_tm_init(struct mt7915_phy *phy, bool en)
405 {
406 struct mt7915_dev *dev = phy->dev;
407 int state;
408
409 if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
410 return;
411
412 mt7915_mcu_set_sku_en(phy, !en);
413
414 mt7915_tm_mode_ctrl(dev, en);
415 mt7915_tm_reg_backup_restore(phy);
416 mt7915_tm_set_trx(phy, TM_MAC_TXRX, !en);
417
418 mt7915_mcu_add_bss_info(phy, phy->monitor_vif, en);
419 state = en ? CONN_STATE_PORT_SECURE : CONN_STATE_DISCONNECT;
420 mt7915_mcu_add_sta(dev, phy->monitor_vif, NULL, state, true);
421
422 if (!en)
423 mt7915_tm_set_tam_arb(phy, en, 0);
424 }
425
426 static void
mt7915_tm_update_channel(struct mt7915_phy * phy)427 mt7915_tm_update_channel(struct mt7915_phy *phy)
428 {
429 mutex_unlock(&phy->dev->mt76.mutex);
430 mt76_update_channel(phy->mt76);
431 mutex_lock(&phy->dev->mt76.mutex);
432
433 mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
434 }
435
436 static void
mt7915_tm_set_tx_frames(struct mt7915_phy * phy,bool en)437 mt7915_tm_set_tx_frames(struct mt7915_phy *phy, bool en)
438 {
439 struct mt76_testmode_data *td = &phy->mt76->test;
440 struct mt7915_dev *dev = phy->dev;
441 struct ieee80211_tx_info *info;
442 u8 duty_cycle = td->tx_duty_cycle;
443 u32 tx_time = td->tx_time;
444 u32 ipg = td->tx_ipg;
445
446 mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, false);
447 mt7915_tm_clean_hwq(phy, dev->mt76.global_wcid.idx);
448
449 if (en) {
450 mt7915_tm_update_channel(phy);
451
452 if (td->tx_spe_idx)
453 phy->test.spe_idx = td->tx_spe_idx;
454 else
455 phy->test.spe_idx = mt76_connac_spe_idx(td->tx_antenna_mask);
456 }
457
458 mt7915_tm_set_tam_arb(phy, en,
459 td->tx_rate_mode == MT76_TM_TX_MODE_HE_MU);
460
461 /* if all three params are set, duty_cycle will be ignored */
462 if (duty_cycle && tx_time && !ipg) {
463 ipg = tx_time * 100 / duty_cycle - tx_time;
464 } else if (duty_cycle && !tx_time && ipg) {
465 if (duty_cycle < 100)
466 tx_time = duty_cycle * ipg / (100 - duty_cycle);
467 }
468
469 mt7915_tm_set_ipg_params(phy, ipg, td->tx_rate_mode);
470 mt7915_tm_set_tx_len(phy, tx_time);
471
472 if (ipg)
473 td->tx_queued_limit = MT76_TM_TIMEOUT * 1000000 / ipg / 2;
474
475 if (!en || !td->tx_skb)
476 return;
477
478 info = IEEE80211_SKB_CB(td->tx_skb);
479 info->control.vif = phy->monitor_vif;
480
481 mt7915_tm_set_trx(phy, TM_MAC_TX, en);
482 }
483
484 static void
mt7915_tm_set_rx_frames(struct mt7915_phy * phy,bool en)485 mt7915_tm_set_rx_frames(struct mt7915_phy *phy, bool en)
486 {
487 mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, false);
488
489 if (en) {
490 struct mt7915_dev *dev = phy->dev;
491
492 mt7915_tm_update_channel(phy);
493
494 /* read-clear */
495 mt76_rr(dev, MT_MIB_SDR3(phy->mt76->band_idx));
496 mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, en);
497 }
498 }
499
500 static int
mt7915_tm_rf_switch_mode(struct mt7915_dev * dev,u32 oper)501 mt7915_tm_rf_switch_mode(struct mt7915_dev *dev, u32 oper)
502 {
503 struct mt7915_tm_rf_test req = {
504 .op.op_mode = cpu_to_le32(oper),
505 };
506
507 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
508 sizeof(req), true);
509 }
510
511 static int
mt7915_tm_set_tx_cont(struct mt7915_phy * phy,bool en)512 mt7915_tm_set_tx_cont(struct mt7915_phy *phy, bool en)
513 {
514 #define TX_CONT_START 0x05
515 #define TX_CONT_STOP 0x06
516 struct mt7915_dev *dev = phy->dev;
517 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
518 int freq1 = ieee80211_frequency_to_channel(chandef->center_freq1);
519 struct mt76_testmode_data *td = &phy->mt76->test;
520 u32 func_idx = en ? TX_CONT_START : TX_CONT_STOP;
521 u8 rate_idx = td->tx_rate_idx, mode;
522 u8 band = phy->mt76->band_idx;
523 u16 rateval;
524 struct mt7915_tm_rf_test req = {
525 .action = 1,
526 .icap_len = 120,
527 .op.rf.func_idx = cpu_to_le32(func_idx),
528 };
529 struct tm_tx_cont *tx_cont = &req.op.rf.param.tx_cont;
530
531 tx_cont->control_ch = chandef->chan->hw_value;
532 tx_cont->center_ch = freq1;
533 tx_cont->tx_ant = td->tx_antenna_mask;
534 tx_cont->band = band;
535
536 switch (chandef->width) {
537 case NL80211_CHAN_WIDTH_40:
538 tx_cont->bw = CMD_CBW_40MHZ;
539 break;
540 case NL80211_CHAN_WIDTH_80:
541 tx_cont->bw = CMD_CBW_80MHZ;
542 break;
543 case NL80211_CHAN_WIDTH_80P80:
544 tx_cont->bw = CMD_CBW_8080MHZ;
545 break;
546 case NL80211_CHAN_WIDTH_160:
547 tx_cont->bw = CMD_CBW_160MHZ;
548 break;
549 case NL80211_CHAN_WIDTH_5:
550 tx_cont->bw = CMD_CBW_5MHZ;
551 break;
552 case NL80211_CHAN_WIDTH_10:
553 tx_cont->bw = CMD_CBW_10MHZ;
554 break;
555 case NL80211_CHAN_WIDTH_20:
556 tx_cont->bw = CMD_CBW_20MHZ;
557 break;
558 case NL80211_CHAN_WIDTH_20_NOHT:
559 tx_cont->bw = CMD_CBW_20MHZ;
560 break;
561 default:
562 return -EINVAL;
563 }
564
565 if (!en) {
566 req.op.rf.param.func_data = cpu_to_le32(band);
567 goto out;
568 }
569
570 if (td->tx_rate_mode <= MT76_TM_TX_MODE_OFDM) {
571 struct ieee80211_supported_band *sband;
572 u8 idx = rate_idx;
573
574 if (chandef->chan->band == NL80211_BAND_5GHZ)
575 sband = &phy->mt76->sband_5g.sband;
576 else if (chandef->chan->band == NL80211_BAND_6GHZ)
577 sband = &phy->mt76->sband_6g.sband;
578 else
579 sband = &phy->mt76->sband_2g.sband;
580
581 if (td->tx_rate_mode == MT76_TM_TX_MODE_OFDM)
582 idx += 4;
583 rate_idx = sband->bitrates[idx].hw_value & 0xff;
584 }
585
586 switch (td->tx_rate_mode) {
587 case MT76_TM_TX_MODE_CCK:
588 mode = MT_PHY_TYPE_CCK;
589 break;
590 case MT76_TM_TX_MODE_OFDM:
591 mode = MT_PHY_TYPE_OFDM;
592 break;
593 case MT76_TM_TX_MODE_HT:
594 mode = MT_PHY_TYPE_HT;
595 break;
596 case MT76_TM_TX_MODE_VHT:
597 mode = MT_PHY_TYPE_VHT;
598 break;
599 case MT76_TM_TX_MODE_HE_SU:
600 mode = MT_PHY_TYPE_HE_SU;
601 break;
602 case MT76_TM_TX_MODE_HE_EXT_SU:
603 mode = MT_PHY_TYPE_HE_EXT_SU;
604 break;
605 case MT76_TM_TX_MODE_HE_TB:
606 mode = MT_PHY_TYPE_HE_TB;
607 break;
608 case MT76_TM_TX_MODE_HE_MU:
609 mode = MT_PHY_TYPE_HE_MU;
610 break;
611 default:
612 return -EINVAL;
613 }
614
615 rateval = mode << 6 | rate_idx;
616 tx_cont->rateval = cpu_to_le16(rateval);
617
618 out:
619 if (!en) {
620 int ret;
621
622 ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
623 sizeof(req), true);
624 if (ret)
625 return ret;
626
627 return mt7915_tm_rf_switch_mode(dev, RF_OPER_NORMAL);
628 }
629
630 mt7915_tm_rf_switch_mode(dev, RF_OPER_RF_TEST);
631 mt7915_tm_update_channel(phy);
632
633 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
634 sizeof(req), true);
635 }
636
637 static void
mt7915_tm_update_params(struct mt7915_phy * phy,u32 changed)638 mt7915_tm_update_params(struct mt7915_phy *phy, u32 changed)
639 {
640 struct mt76_testmode_data *td = &phy->mt76->test;
641 bool en = phy->mt76->test.state != MT76_TM_STATE_OFF;
642
643 if (changed & BIT(TM_CHANGED_FREQ_OFFSET))
644 mt7915_tm_set_freq_offset(phy, en, en ? td->freq_offset : 0);
645 if (changed & BIT(TM_CHANGED_TXPOWER))
646 mt7915_tm_set_tx_power(phy);
647 }
648
649 static int
mt7915_tm_set_state(struct mt76_phy * mphy,enum mt76_testmode_state state)650 mt7915_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state)
651 {
652 struct mt76_testmode_data *td = &mphy->test;
653 struct mt7915_phy *phy = mphy->priv;
654 enum mt76_testmode_state prev_state = td->state;
655
656 mphy->test.state = state;
657
658 if (prev_state == MT76_TM_STATE_TX_FRAMES ||
659 state == MT76_TM_STATE_TX_FRAMES)
660 mt7915_tm_set_tx_frames(phy, state == MT76_TM_STATE_TX_FRAMES);
661 else if (prev_state == MT76_TM_STATE_RX_FRAMES ||
662 state == MT76_TM_STATE_RX_FRAMES)
663 mt7915_tm_set_rx_frames(phy, state == MT76_TM_STATE_RX_FRAMES);
664 else if (prev_state == MT76_TM_STATE_TX_CONT ||
665 state == MT76_TM_STATE_TX_CONT)
666 mt7915_tm_set_tx_cont(phy, state == MT76_TM_STATE_TX_CONT);
667 else if (prev_state == MT76_TM_STATE_OFF ||
668 state == MT76_TM_STATE_OFF)
669 mt7915_tm_init(phy, !(state == MT76_TM_STATE_OFF));
670
671 if ((state == MT76_TM_STATE_IDLE &&
672 prev_state == MT76_TM_STATE_OFF) ||
673 (state == MT76_TM_STATE_OFF &&
674 prev_state == MT76_TM_STATE_IDLE)) {
675 u32 changed = 0;
676 int i;
677
678 for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
679 u16 cur = tm_change_map[i];
680
681 if (td->param_set[cur / 32] & BIT(cur % 32))
682 changed |= BIT(i);
683 }
684
685 mt7915_tm_update_params(phy, changed);
686 }
687
688 return 0;
689 }
690
691 static int
mt7915_tm_set_params(struct mt76_phy * mphy,struct nlattr ** tb,enum mt76_testmode_state new_state)692 mt7915_tm_set_params(struct mt76_phy *mphy, struct nlattr **tb,
693 enum mt76_testmode_state new_state)
694 {
695 struct mt76_testmode_data *td = &mphy->test;
696 struct mt7915_phy *phy = mphy->priv;
697 struct mt7915_dev *dev = phy->dev;
698 u32 chainmask = mphy->chainmask, changed = 0;
699 bool ext_phy = phy != &dev->phy;
700 int i;
701
702 BUILD_BUG_ON(NUM_TM_CHANGED >= 32);
703
704 if (new_state == MT76_TM_STATE_OFF ||
705 td->state == MT76_TM_STATE_OFF)
706 return 0;
707
708 chainmask = ext_phy ? chainmask >> dev->chainshift : chainmask;
709 if (td->tx_antenna_mask > chainmask)
710 return -EINVAL;
711
712 for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
713 if (tb[tm_change_map[i]])
714 changed |= BIT(i);
715 }
716
717 mt7915_tm_update_params(phy, changed);
718
719 return 0;
720 }
721
722 static int
mt7915_tm_dump_stats(struct mt76_phy * mphy,struct sk_buff * msg)723 mt7915_tm_dump_stats(struct mt76_phy *mphy, struct sk_buff *msg)
724 {
725 struct mt7915_phy *phy = mphy->priv;
726 struct mt7915_dev *dev = phy->dev;
727 enum mt76_rxq_id q;
728 void *rx, *rssi;
729 u16 fcs_err;
730 int i;
731 u32 cnt;
732
733 rx = nla_nest_start(msg, MT76_TM_STATS_ATTR_LAST_RX);
734 if (!rx)
735 return -ENOMEM;
736
737 if (nla_put_s32(msg, MT76_TM_RX_ATTR_FREQ_OFFSET, phy->test.last_freq_offset))
738 return -ENOMEM;
739
740 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_RCPI);
741 if (!rssi)
742 return -ENOMEM;
743
744 for (i = 0; i < ARRAY_SIZE(phy->test.last_rcpi); i++)
745 if (nla_put_u8(msg, i, phy->test.last_rcpi[i]))
746 return -ENOMEM;
747
748 nla_nest_end(msg, rssi);
749
750 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_IB_RSSI);
751 if (!rssi)
752 return -ENOMEM;
753
754 for (i = 0; i < ARRAY_SIZE(phy->test.last_ib_rssi); i++)
755 if (nla_put_s8(msg, i, phy->test.last_ib_rssi[i]))
756 return -ENOMEM;
757
758 nla_nest_end(msg, rssi);
759
760 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_WB_RSSI);
761 if (!rssi)
762 return -ENOMEM;
763
764 for (i = 0; i < ARRAY_SIZE(phy->test.last_wb_rssi); i++)
765 if (nla_put_s8(msg, i, phy->test.last_wb_rssi[i]))
766 return -ENOMEM;
767
768 nla_nest_end(msg, rssi);
769
770 if (nla_put_u8(msg, MT76_TM_RX_ATTR_SNR, phy->test.last_snr))
771 return -ENOMEM;
772
773 nla_nest_end(msg, rx);
774
775 cnt = mt76_rr(dev, MT_MIB_SDR3(phy->mt76->band_idx));
776 fcs_err = is_mt7915(&dev->mt76) ? FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK, cnt) :
777 FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK_MT7916, cnt);
778
779 q = phy->mt76->band_idx ? MT_RXQ_BAND1 : MT_RXQ_MAIN;
780 mphy->test.rx_stats.packets[q] += fcs_err;
781 mphy->test.rx_stats.fcs_error[q] += fcs_err;
782
783 return 0;
784 }
785
786 const struct mt76_testmode_ops mt7915_testmode_ops = {
787 .set_state = mt7915_tm_set_state,
788 .set_params = mt7915_tm_set_params,
789 .dump_stats = mt7915_tm_dump_stats,
790 };
791