1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
10 mt7915_implicit_txbf_set(void *data, u64 val)
12 struct mt7915_dev *dev = data;
14 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
19 return mt7915_mcu_set_txbf_type(dev);
23 mt7915_implicit_txbf_get(void *data, u64 *val)
25 struct mt7915_dev *dev = data;
32 DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
33 mt7915_implicit_txbf_set, "%lld\n");
35 /* test knob of system layer 1/2 error recovery */
36 static int mt7915_ser_trigger_set(void *data, u64 val)
39 SER_SET_RECOVER_L1 = 1,
44 struct mt7915_dev *dev = data;
48 case SER_SET_RECOVER_L1:
49 case SER_SET_RECOVER_L2:
50 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
54 return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
62 DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
63 mt7915_ser_trigger_set, "%lld\n");
66 mt7915_radar_trigger(void *data, u64 val)
68 struct mt7915_dev *dev = data;
70 return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0);
73 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
74 mt7915_radar_trigger, "%lld\n");
77 mt7915_fw_debug_set(void *data, u64 val)
79 struct mt7915_dev *dev = data;
88 dev->fw_debug = !!val;
90 mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);
92 for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++)
93 mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug);
99 mt7915_fw_debug_get(void *data, u64 *val)
101 struct mt7915_dev *dev = data;
103 *val = dev->fw_debug;
108 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get,
109 mt7915_fw_debug_set, "%lld\n");
112 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
113 struct seq_file *file)
115 struct mt7915_dev *dev = file->private;
116 bool ext_phy = phy != &dev->phy;
117 int bound[15], range[4], i, n;
123 for (i = 0; i < ARRAY_SIZE(range); i++)
124 range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i));
126 for (i = 0; i < ARRAY_SIZE(bound); i++)
127 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1;
129 seq_printf(file, "\nPhy %d\n", ext_phy);
131 seq_printf(file, "Length: %8d | ", bound[0]);
132 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
133 seq_printf(file, "%3d -%3d | ",
134 bound[i] + 1, bound[i + 1]);
136 seq_puts(file, "\nCount: ");
137 n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
138 for (i = 0; i < ARRAY_SIZE(bound); i++)
139 seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
140 seq_puts(file, "\n");
142 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
146 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
148 struct mt7915_dev *dev = s->private;
149 bool ext_phy = phy != &dev->phy;
155 /* Tx Beamformer monitor */
156 seq_puts(s, "\nTx Beamformer applied PPDU counts: ");
158 cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy));
159 seq_printf(s, "iBF: %ld, eBF: %ld\n",
160 FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt),
161 FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt));
163 /* Tx Beamformer Rx feedback monitor */
164 seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
166 cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy));
167 seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld\n",
168 FIELD_GET(MT_ETBF_RX_FB_ALL, cnt),
169 FIELD_GET(MT_ETBF_RX_FB_HE, cnt),
170 FIELD_GET(MT_ETBF_RX_FB_VHT, cnt),
171 FIELD_GET(MT_ETBF_RX_FB_HT, cnt));
173 /* Tx Beamformee Rx NDPA & Tx feedback report */
174 cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy));
175 seq_printf(s, "Tx Beamformee successful feedback frames: %ld\n",
176 FIELD_GET(MT_ETBF_TX_FB_CPL, cnt));
177 seq_printf(s, "Tx Beamformee feedback triggered counts: %ld\n",
178 FIELD_GET(MT_ETBF_TX_FB_TRI, cnt));
180 /* Tx SU & MU counters */
181 cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
182 seq_printf(s, "Tx multi-user Beamforming counts: %ld\n",
183 FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt));
184 cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
185 seq_printf(s, "Tx multi-user MPDU counts: %d\n", cnt);
186 cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy));
187 seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", cnt);
188 cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
189 seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt);
195 mt7915_tx_stats_read(struct seq_file *file, void *data)
197 struct mt7915_dev *dev = file->private;
200 mt7915_ampdu_stat_read_phy(&dev->phy, file);
201 mt7915_txbf_stat_read_phy(&dev->phy, file);
203 mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file);
204 mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file);
207 seq_puts(file, "Tx MSDU stat:\n");
208 for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) {
209 stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
213 for (i = 0; i < ARRAY_SIZE(stat); i++) {
214 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ",
217 seq_printf(file, "(%d%%)\n", stat[i] * 100 / n);
219 seq_puts(file, "\n");
226 mt7915_tx_stats_open(struct inode *inode, struct file *f)
228 return single_open(f, mt7915_tx_stats_read, inode->i_private);
231 static const struct file_operations fops_tx_stats = {
232 .open = mt7915_tx_stats_open,
235 .release = single_release,
236 .owner = THIS_MODULE,
239 static int mt7915_read_temperature(struct seq_file *s, void *data)
241 struct mt7915_dev *dev = dev_get_drvdata(s->private);
245 temp = mt7915_mcu_get_temperature(dev, 0);
246 seq_printf(s, "Temperature: %d\n", temp);
252 mt7915_queues_acq(struct seq_file *s, void *data)
254 struct mt7915_dev *dev = dev_get_drvdata(s->private);
257 for (i = 0; i < 16; i++) {
258 int j, acs = i / 4, index = i % 4;
259 u32 ctrl, val, qlen = 0;
261 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
262 ctrl = BIT(31) | BIT(15) | (acs << 8);
264 for (j = 0; j < 32; j++) {
268 mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
269 ctrl | (j + (index << 5)));
270 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
273 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
280 mt7915_queues_read(struct seq_file *s, void *data)
282 struct mt7915_dev *dev = dev_get_drvdata(s->private);
283 struct mt76_phy *mphy_ext = dev->mt76.phy2;
284 struct mt76_queue *ext_q = mphy_ext ? mphy_ext->q_tx[MT_TXQ_BE] : NULL;
286 struct mt76_queue *q;
289 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" },
291 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" },
292 { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" },
293 { dev->mt76.q_mcu[MT_MCUQ_WA], "MCUWA" },
294 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" },
298 for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
299 struct mt76_queue *q = queue_map[i].q;
305 "%s: queued=%d head=%d tail=%d\n",
306 queue_map[i].queue, q->queued, q->head,
314 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta,
315 s8 txpower_cur, int band)
317 static const char * const sku_group_name[] = {
318 "CCK", "OFDM", "HT20", "HT40",
319 "VHT20", "VHT40", "VHT80", "VHT160",
320 "RU26", "RU52", "RU106", "RU242/SU20",
321 "RU484/SU40", "RU996/SU80", "RU2x996/SU160"
323 s8 txpower[MT7915_SKU_RATE_NUM];
326 for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
327 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2);
329 for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) {
330 const struct sku_group *sku = &mt7915_sku_groups[i];
331 u32 offset = sku->offset[band];
338 mt76_seq_puts_array(s, sku_group_name[i],
339 txpower + idx, sku->len);
345 mt7915_read_rate_txpower(struct seq_file *s, void *data)
347 struct mt7915_dev *dev = dev_get_drvdata(s->private);
348 struct mt76_phy *mphy = &dev->mphy;
349 enum nl80211_band band = mphy->chandef.chan->band;
350 s8 *delta = dev->rate_power[band];
351 s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX];
353 seq_puts(s, "Band 0:\n");
354 mt7915_puts_rate_txpower(s, delta, txpower_base, band);
356 if (dev->mt76.phy2) {
357 mphy = dev->mt76.phy2;
358 band = mphy->chandef.chan->band;
359 delta = dev->rate_power[band];
360 txpower_base = mphy->txpower_cur -
361 delta[MT7915_SKU_MAX_DELTA_IDX];
363 seq_puts(s, "Band 1:\n");
364 mt7915_puts_rate_txpower(s, delta, txpower_base, band);
370 int mt7915_init_debugfs(struct mt7915_dev *dev)
374 dir = mt76_register_debugfs(&dev->mt76);
378 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
380 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
382 debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);
383 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
384 debugfs_create_file("implicit_txbf", 0600, dir, dev,
385 &fops_implicit_txbf);
386 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);
388 debugfs_create_file("radar_trigger", 0200, dir, dev,
389 &fops_radar_trigger);
390 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
391 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir,
392 mt7915_read_temperature);
393 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir,
394 mt7915_read_rate_txpower);
399 #ifdef CONFIG_MAC80211_DEBUGFS
400 /** per-station debugfs **/
402 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */
403 static int mt7915_sta_fixed_rate_set(void *data, u64 rate)
405 struct ieee80211_sta *sta = data;
406 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
408 return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate);
411 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL,
412 mt7915_sta_fixed_rate_set, "%llx\n");
415 mt7915_sta_stats_read(struct seq_file *s, void *data)
417 struct ieee80211_sta *sta = s->private;
418 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
419 struct mt7915_sta_stats *stats = &msta->stats;
420 struct rate_info *rate = &stats->prob_rate;
421 static const char * const bw[] = {
422 "BW20", "BW5", "BW10", "BW40",
423 "BW80", "BW160", "BW_HE_RU"
426 if (!rate->legacy && !rate->flags)
429 seq_puts(s, "Probing rate - ");
430 if (rate->flags & RATE_INFO_FLAGS_MCS)
432 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS)
434 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS)
437 seq_printf(s, "Bitrate %d\n", rate->legacy);
440 seq_printf(s, "%s NSS%d MCS%d ",
441 bw[rate->bw], rate->nss, rate->mcs);
443 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
445 else if (rate->he_gi)
446 seq_puts(s, "HE GI ");
452 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n",
453 stats->per / 10, stats->per % 10);
459 mt7915_sta_stats_open(struct inode *inode, struct file *f)
461 return single_open(f, mt7915_sta_stats_read, inode->i_private);
464 static const struct file_operations fops_sta_stats = {
465 .open = mt7915_sta_stats_open,
468 .release = single_release,
469 .owner = THIS_MODULE,
472 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
473 struct ieee80211_sta *sta, struct dentry *dir)
475 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
476 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats);