1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include "mt7915.h" 5 #include "eeprom.h" 6 7 /** global debugfs **/ 8 9 /* test knob of system layer 1/2 error recovery */ 10 static int mt7915_ser_trigger_set(void *data, u64 val) 11 { 12 enum { 13 SER_SET_RECOVER_L1 = 1, 14 SER_SET_RECOVER_L2, 15 SER_ENABLE = 2, 16 SER_RECOVER 17 }; 18 struct mt7915_dev *dev = data; 19 int ret = 0; 20 21 switch (val) { 22 case SER_SET_RECOVER_L1: 23 case SER_SET_RECOVER_L2: 24 /* fall through */ 25 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0); 26 if (ret) 27 return ret; 28 29 return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0); 30 default: 31 break; 32 } 33 34 return ret; 35 } 36 37 DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL, 38 mt7915_ser_trigger_set, "%lld\n"); 39 40 static int 41 mt7915_radar_trigger(void *data, u64 val) 42 { 43 struct mt7915_dev *dev = data; 44 45 return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0); 46 } 47 48 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, 49 mt7915_radar_trigger, "%lld\n"); 50 51 static int 52 mt7915_dbdc_set(void *data, u64 val) 53 { 54 struct mt7915_dev *dev = data; 55 56 if (val) 57 mt7915_register_ext_phy(dev); 58 else 59 mt7915_unregister_ext_phy(dev); 60 61 return 0; 62 } 63 64 static int 65 mt7915_dbdc_get(void *data, u64 *val) 66 { 67 struct mt7915_dev *dev = data; 68 69 *val = !!mt7915_ext_phy(dev); 70 71 return 0; 72 } 73 74 DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get, 75 mt7915_dbdc_set, "%lld\n"); 76 77 static int 78 mt7915_fw_debug_set(void *data, u64 val) 79 { 80 struct mt7915_dev *dev = data; 81 enum { 82 DEBUG_TXCMD = 62, 83 DEBUG_CMD_RPT_TX, 84 DEBUG_CMD_RPT_TRIG, 85 DEBUG_SPL, 86 DEBUG_RPT_RX, 87 } debug; 88 89 dev->fw_debug = !!val; 90 91 mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); 92 93 for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) 94 mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug); 95 96 return 0; 97 } 98 99 static int 100 mt7915_fw_debug_get(void *data, u64 *val) 101 { 102 struct mt7915_dev *dev = data; 103 104 *val = dev->fw_debug; 105 106 return 0; 107 } 108 109 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get, 110 mt7915_fw_debug_set, "%lld\n"); 111 112 static void 113 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, 114 struct seq_file *file) 115 { 116 struct mt7915_dev *dev = file->private; 117 bool ext_phy = phy != &dev->phy; 118 int bound[15], range[4], i, n; 119 120 if (!phy) 121 return; 122 123 /* Tx ampdu stat */ 124 for (i = 0; i < ARRAY_SIZE(range); i++) 125 range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i)); 126 127 for (i = 0; i < ARRAY_SIZE(bound); i++) 128 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1; 129 130 seq_printf(file, "\nPhy %d\n", ext_phy); 131 132 seq_printf(file, "Length: %8d | ", bound[0]); 133 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) 134 seq_printf(file, "%3d -%3d | ", 135 bound[i] + 1, bound[i + 1]); 136 137 seq_puts(file, "\nCount: "); 138 n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 139 for (i = 0; i < ARRAY_SIZE(bound); i++) 140 seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]); 141 seq_puts(file, "\n"); 142 143 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); 144 } 145 146 static void 147 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s) 148 { 149 struct mt7915_dev *dev = s->private; 150 bool ext_phy = phy != &dev->phy; 151 int cnt; 152 153 if (!phy) 154 return; 155 156 /* Tx Beamformer monitor */ 157 seq_puts(s, "\nTx Beamformer applied PPDU counts: "); 158 159 cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy)); 160 seq_printf(s, "iBF: %ld, eBF: %ld\n", 161 FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt), 162 FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt)); 163 164 /* Tx Beamformer Rx feedback monitor */ 165 seq_puts(s, "Tx Beamformer Rx feedback statistics: "); 166 167 cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy)); 168 seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld\n", 169 FIELD_GET(MT_ETBF_RX_FB_ALL, cnt), 170 FIELD_GET(MT_ETBF_RX_FB_HE, cnt), 171 FIELD_GET(MT_ETBF_RX_FB_VHT, cnt), 172 FIELD_GET(MT_ETBF_RX_FB_HT, cnt)); 173 174 /* Tx Beamformee Rx NDPA & Tx feedback report */ 175 cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy)); 176 seq_printf(s, "Tx Beamformee successful feedback frames: %ld\n", 177 FIELD_GET(MT_ETBF_TX_FB_CPL, cnt)); 178 seq_printf(s, "Tx Beamformee feedback triggered counts: %ld\n", 179 FIELD_GET(MT_ETBF_TX_FB_TRI, cnt)); 180 181 /* Tx SU counters */ 182 cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy)); 183 seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt); 184 185 seq_puts(s, "\n"); 186 } 187 188 static int 189 mt7915_tx_stats_read(struct seq_file *file, void *data) 190 { 191 struct mt7915_dev *dev = file->private; 192 int stat[8], i, n; 193 194 mt7915_ampdu_stat_read_phy(&dev->phy, file); 195 mt7915_txbf_stat_read_phy(&dev->phy, file); 196 197 mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file); 198 mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file); 199 200 /* Tx amsdu info */ 201 seq_puts(file, "Tx MSDU stat:\n"); 202 for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) { 203 stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); 204 n += stat[i]; 205 } 206 207 for (i = 0; i < ARRAY_SIZE(stat); i++) { 208 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", 209 i + 1, stat[i]); 210 if (n != 0) 211 seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); 212 else 213 seq_puts(file, "\n"); 214 } 215 216 return 0; 217 } 218 219 static int 220 mt7915_tx_stats_open(struct inode *inode, struct file *f) 221 { 222 return single_open(f, mt7915_tx_stats_read, inode->i_private); 223 } 224 225 static const struct file_operations fops_tx_stats = { 226 .open = mt7915_tx_stats_open, 227 .read = seq_read, 228 .llseek = seq_lseek, 229 .release = single_release, 230 }; 231 232 static int mt7915_read_temperature(struct seq_file *s, void *data) 233 { 234 struct mt7915_dev *dev = dev_get_drvdata(s->private); 235 int temp; 236 237 /* cpu */ 238 temp = mt7915_mcu_get_temperature(dev, 0); 239 seq_printf(s, "Temperature: %d\n", temp); 240 241 return 0; 242 } 243 244 static int 245 mt7915_queues_acq(struct seq_file *s, void *data) 246 { 247 struct mt7915_dev *dev = dev_get_drvdata(s->private); 248 int i; 249 250 for (i = 0; i < 16; i++) { 251 int j, acs = i / 4, index = i % 4; 252 u32 ctrl, val, qlen = 0; 253 254 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); 255 ctrl = BIT(31) | BIT(15) | (acs << 8); 256 257 for (j = 0; j < 32; j++) { 258 if (val & BIT(j)) 259 continue; 260 261 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, 262 ctrl | (j + (index << 5))); 263 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 264 GENMASK(11, 0)); 265 } 266 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); 267 } 268 269 return 0; 270 } 271 272 static int 273 mt7915_queues_read(struct seq_file *s, void *data) 274 { 275 struct mt7915_dev *dev = dev_get_drvdata(s->private); 276 static const struct { 277 char *queue; 278 int id; 279 } queue_map[] = { 280 { "WFDMA0", MT_TXQ_BE }, 281 { "MCUWM", MT_TXQ_MCU }, 282 { "MCUWA", MT_TXQ_MCU_WA }, 283 { "MCUFWQ", MT_TXQ_FWDL }, 284 }; 285 int i; 286 287 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 288 struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id]; 289 290 if (!q->q) 291 continue; 292 293 seq_printf(s, 294 "%s: queued=%d head=%d tail=%d\n", 295 queue_map[i].queue, q->q->queued, q->q->head, 296 q->q->tail); 297 } 298 299 return 0; 300 } 301 302 static void 303 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta, 304 s8 txpower_cur, int band) 305 { 306 static const char * const sku_group_name[] = { 307 "CCK", "OFDM", "HT20", "HT40", 308 "VHT20", "VHT40", "VHT80", "VHT160", 309 "RU26", "RU52", "RU106", "RU242/SU20", 310 "RU484/SU40", "RU996/SU80", "RU2x996/SU160" 311 }; 312 s8 txpower[MT7915_SKU_RATE_NUM]; 313 int i, idx = 0; 314 315 for (i = 0; i < MT7915_SKU_RATE_NUM; i++) 316 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2); 317 318 for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) { 319 const struct sku_group *sku = &mt7915_sku_groups[i]; 320 u32 offset = sku->offset[band]; 321 322 if (!offset) { 323 idx += sku->len; 324 continue; 325 } 326 327 mt76_seq_puts_array(s, sku_group_name[i], 328 txpower + idx, sku->len); 329 idx += sku->len; 330 } 331 } 332 333 static int 334 mt7915_read_rate_txpower(struct seq_file *s, void *data) 335 { 336 struct mt7915_dev *dev = dev_get_drvdata(s->private); 337 struct mt76_phy *mphy = &dev->mphy; 338 enum nl80211_band band = mphy->chandef.chan->band; 339 s8 *delta = dev->rate_power[band]; 340 s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX]; 341 342 seq_puts(s, "Band 0:\n"); 343 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 344 345 if (dev->mt76.phy2) { 346 mphy = dev->mt76.phy2; 347 band = mphy->chandef.chan->band; 348 delta = dev->rate_power[band]; 349 txpower_base = mphy->txpower_cur - 350 delta[MT7915_SKU_MAX_DELTA_IDX]; 351 352 seq_puts(s, "Band 1:\n"); 353 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 354 } 355 356 return 0; 357 } 358 359 int mt7915_init_debugfs(struct mt7915_dev *dev) 360 { 361 struct dentry *dir; 362 363 dir = mt76_register_debugfs(&dev->mt76); 364 if (!dir) 365 return -ENOMEM; 366 367 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 368 mt7915_queues_read); 369 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 370 mt7915_queues_acq); 371 debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); 372 debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc); 373 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 374 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); 375 /* test knobs */ 376 debugfs_create_file("radar_trigger", 0200, dir, dev, 377 &fops_radar_trigger); 378 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); 379 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, 380 mt7915_read_temperature); 381 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 382 mt7915_read_rate_txpower); 383 384 return 0; 385 } 386 387 /** per-station debugfs **/ 388 389 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 390 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 391 { 392 struct ieee80211_sta *sta = data; 393 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 394 395 return mt7915_mcu_set_fixed_rate(msta->vif->dev, sta, rate); 396 } 397 398 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 399 mt7915_sta_fixed_rate_set, "%llx\n"); 400 401 static int 402 mt7915_sta_stats_read(struct seq_file *s, void *data) 403 { 404 struct ieee80211_sta *sta = s->private; 405 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 406 struct mt7915_sta_stats *stats = &msta->stats; 407 struct rate_info *rate = &stats->prob_rate; 408 static const char * const bw[] = { 409 "BW20", "BW5", "BW10", "BW40", 410 "BW80", "BW160", "BW_HE_RU" 411 }; 412 413 if (!rate->legacy && !rate->flags) 414 return 0; 415 416 seq_puts(s, "Probing rate - "); 417 if (rate->flags & RATE_INFO_FLAGS_MCS) 418 seq_puts(s, "HT "); 419 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 420 seq_puts(s, "VHT "); 421 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 422 seq_puts(s, "HE "); 423 else 424 seq_printf(s, "Bitrate %d\n", rate->legacy); 425 426 if (rate->flags) { 427 seq_printf(s, "%s NSS%d MCS%d ", 428 bw[rate->bw], rate->nss, rate->mcs); 429 430 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 431 seq_puts(s, "SGI "); 432 else if (rate->he_gi) 433 seq_puts(s, "HE GI "); 434 435 if (rate->he_dcm) 436 seq_puts(s, "DCM "); 437 } 438 439 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 440 stats->per / 10, stats->per % 10); 441 442 return 0; 443 } 444 445 static int 446 mt7915_sta_stats_open(struct inode *inode, struct file *f) 447 { 448 return single_open(f, mt7915_sta_stats_read, inode->i_private); 449 } 450 451 static const struct file_operations fops_sta_stats = { 452 .open = mt7915_sta_stats_open, 453 .read = seq_read, 454 .llseek = seq_lseek, 455 .release = single_release, 456 }; 457 458 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 459 struct ieee80211_sta *sta, struct dentry *dir) 460 { 461 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 462 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); 463 } 464