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 & MU counters */ 182 cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy)); 183 seq_printf(s, "Tx multi-user Beamforming counts: %ld\n", 184 FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt)); 185 cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy)); 186 seq_printf(s, "Tx multi-user MPDU counts: %d\n", cnt); 187 cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy)); 188 seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", cnt); 189 cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy)); 190 seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt); 191 192 seq_puts(s, "\n"); 193 } 194 195 static int 196 mt7915_tx_stats_read(struct seq_file *file, void *data) 197 { 198 struct mt7915_dev *dev = file->private; 199 int stat[8], i, n; 200 201 mt7915_ampdu_stat_read_phy(&dev->phy, file); 202 mt7915_txbf_stat_read_phy(&dev->phy, file); 203 204 mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file); 205 mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file); 206 207 /* Tx amsdu info */ 208 seq_puts(file, "Tx MSDU stat:\n"); 209 for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) { 210 stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); 211 n += stat[i]; 212 } 213 214 for (i = 0; i < ARRAY_SIZE(stat); i++) { 215 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", 216 i + 1, stat[i]); 217 if (n != 0) 218 seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); 219 else 220 seq_puts(file, "\n"); 221 } 222 223 return 0; 224 } 225 226 static int 227 mt7915_tx_stats_open(struct inode *inode, struct file *f) 228 { 229 return single_open(f, mt7915_tx_stats_read, inode->i_private); 230 } 231 232 static const struct file_operations fops_tx_stats = { 233 .open = mt7915_tx_stats_open, 234 .read = seq_read, 235 .llseek = seq_lseek, 236 .release = single_release, 237 }; 238 239 static int mt7915_read_temperature(struct seq_file *s, void *data) 240 { 241 struct mt7915_dev *dev = dev_get_drvdata(s->private); 242 int temp; 243 244 /* cpu */ 245 temp = mt7915_mcu_get_temperature(dev, 0); 246 seq_printf(s, "Temperature: %d\n", temp); 247 248 return 0; 249 } 250 251 static int 252 mt7915_queues_acq(struct seq_file *s, void *data) 253 { 254 struct mt7915_dev *dev = dev_get_drvdata(s->private); 255 int i; 256 257 for (i = 0; i < 16; i++) { 258 int j, acs = i / 4, index = i % 4; 259 u32 ctrl, val, qlen = 0; 260 261 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); 262 ctrl = BIT(31) | BIT(15) | (acs << 8); 263 264 for (j = 0; j < 32; j++) { 265 if (val & BIT(j)) 266 continue; 267 268 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, 269 ctrl | (j + (index << 5))); 270 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 271 GENMASK(11, 0)); 272 } 273 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); 274 } 275 276 return 0; 277 } 278 279 static int 280 mt7915_queues_read(struct seq_file *s, void *data) 281 { 282 struct mt7915_dev *dev = dev_get_drvdata(s->private); 283 static const struct { 284 char *queue; 285 int id; 286 } queue_map[] = { 287 { "WFDMA0", MT_TXQ_BE }, 288 { "MCUWM", MT_TXQ_MCU }, 289 { "MCUWA", MT_TXQ_MCU_WA }, 290 { "MCUFWQ", MT_TXQ_FWDL }, 291 }; 292 int i; 293 294 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 295 struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id]; 296 297 if (!q->q) 298 continue; 299 300 seq_printf(s, 301 "%s: queued=%d head=%d tail=%d\n", 302 queue_map[i].queue, q->q->queued, q->q->head, 303 q->q->tail); 304 } 305 306 return 0; 307 } 308 309 static void 310 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta, 311 s8 txpower_cur, int band) 312 { 313 static const char * const sku_group_name[] = { 314 "CCK", "OFDM", "HT20", "HT40", 315 "VHT20", "VHT40", "VHT80", "VHT160", 316 "RU26", "RU52", "RU106", "RU242/SU20", 317 "RU484/SU40", "RU996/SU80", "RU2x996/SU160" 318 }; 319 s8 txpower[MT7915_SKU_RATE_NUM]; 320 int i, idx = 0; 321 322 for (i = 0; i < MT7915_SKU_RATE_NUM; i++) 323 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2); 324 325 for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) { 326 const struct sku_group *sku = &mt7915_sku_groups[i]; 327 u32 offset = sku->offset[band]; 328 329 if (!offset) { 330 idx += sku->len; 331 continue; 332 } 333 334 mt76_seq_puts_array(s, sku_group_name[i], 335 txpower + idx, sku->len); 336 idx += sku->len; 337 } 338 } 339 340 static int 341 mt7915_read_rate_txpower(struct seq_file *s, void *data) 342 { 343 struct mt7915_dev *dev = dev_get_drvdata(s->private); 344 struct mt76_phy *mphy = &dev->mphy; 345 enum nl80211_band band = mphy->chandef.chan->band; 346 s8 *delta = dev->rate_power[band]; 347 s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX]; 348 349 seq_puts(s, "Band 0:\n"); 350 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 351 352 if (dev->mt76.phy2) { 353 mphy = dev->mt76.phy2; 354 band = mphy->chandef.chan->band; 355 delta = dev->rate_power[band]; 356 txpower_base = mphy->txpower_cur - 357 delta[MT7915_SKU_MAX_DELTA_IDX]; 358 359 seq_puts(s, "Band 1:\n"); 360 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 361 } 362 363 return 0; 364 } 365 366 int mt7915_init_debugfs(struct mt7915_dev *dev) 367 { 368 struct dentry *dir; 369 370 dir = mt76_register_debugfs(&dev->mt76); 371 if (!dir) 372 return -ENOMEM; 373 374 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 375 mt7915_queues_read); 376 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 377 mt7915_queues_acq); 378 debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); 379 debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc); 380 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 381 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); 382 /* test knobs */ 383 debugfs_create_file("radar_trigger", 0200, dir, dev, 384 &fops_radar_trigger); 385 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); 386 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, 387 mt7915_read_temperature); 388 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 389 mt7915_read_rate_txpower); 390 391 return 0; 392 } 393 394 #ifdef CONFIG_MAC80211_DEBUGFS 395 /** per-station debugfs **/ 396 397 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 398 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 399 { 400 struct ieee80211_sta *sta = data; 401 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 402 403 return mt7915_mcu_set_fixed_rate(msta->vif->dev, sta, rate); 404 } 405 406 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 407 mt7915_sta_fixed_rate_set, "%llx\n"); 408 409 static int 410 mt7915_sta_stats_read(struct seq_file *s, void *data) 411 { 412 struct ieee80211_sta *sta = s->private; 413 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 414 struct mt7915_sta_stats *stats = &msta->stats; 415 struct rate_info *rate = &stats->prob_rate; 416 static const char * const bw[] = { 417 "BW20", "BW5", "BW10", "BW40", 418 "BW80", "BW160", "BW_HE_RU" 419 }; 420 421 if (!rate->legacy && !rate->flags) 422 return 0; 423 424 seq_puts(s, "Probing rate - "); 425 if (rate->flags & RATE_INFO_FLAGS_MCS) 426 seq_puts(s, "HT "); 427 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 428 seq_puts(s, "VHT "); 429 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 430 seq_puts(s, "HE "); 431 else 432 seq_printf(s, "Bitrate %d\n", rate->legacy); 433 434 if (rate->flags) { 435 seq_printf(s, "%s NSS%d MCS%d ", 436 bw[rate->bw], rate->nss, rate->mcs); 437 438 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 439 seq_puts(s, "SGI "); 440 else if (rate->he_gi) 441 seq_puts(s, "HE GI "); 442 443 if (rate->he_dcm) 444 seq_puts(s, "DCM "); 445 } 446 447 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 448 stats->per / 10, stats->per % 10); 449 450 return 0; 451 } 452 453 static int 454 mt7915_sta_stats_open(struct inode *inode, struct file *f) 455 { 456 return single_open(f, mt7915_sta_stats_read, inode->i_private); 457 } 458 459 static const struct file_operations fops_sta_stats = { 460 .open = mt7915_sta_stats_open, 461 .read = seq_read, 462 .llseek = seq_lseek, 463 .release = single_release, 464 }; 465 466 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 467 struct ieee80211_sta *sta, struct dentry *dir) 468 { 469 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 470 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); 471 } 472 #endif 473