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 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0); 25 if (ret) 26 return ret; 27 28 return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0); 29 default: 30 break; 31 } 32 33 return ret; 34 } 35 36 DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL, 37 mt7915_ser_trigger_set, "%lld\n"); 38 39 static int 40 mt7915_radar_trigger(void *data, u64 val) 41 { 42 struct mt7915_dev *dev = data; 43 44 return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0); 45 } 46 47 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, 48 mt7915_radar_trigger, "%lld\n"); 49 50 static int 51 mt7915_dbdc_set(void *data, u64 val) 52 { 53 struct mt7915_dev *dev = data; 54 55 if (val) 56 mt7915_register_ext_phy(dev); 57 else 58 mt7915_unregister_ext_phy(dev); 59 60 return 0; 61 } 62 63 static int 64 mt7915_dbdc_get(void *data, u64 *val) 65 { 66 struct mt7915_dev *dev = data; 67 68 *val = !!mt7915_ext_phy(dev); 69 70 return 0; 71 } 72 73 DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get, 74 mt7915_dbdc_set, "%lld\n"); 75 76 static int 77 mt7915_fw_debug_set(void *data, u64 val) 78 { 79 struct mt7915_dev *dev = data; 80 enum { 81 DEBUG_TXCMD = 62, 82 DEBUG_CMD_RPT_TX, 83 DEBUG_CMD_RPT_TRIG, 84 DEBUG_SPL, 85 DEBUG_RPT_RX, 86 } debug; 87 88 dev->fw_debug = !!val; 89 90 mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); 91 92 for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) 93 mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug); 94 95 return 0; 96 } 97 98 static int 99 mt7915_fw_debug_get(void *data, u64 *val) 100 { 101 struct mt7915_dev *dev = data; 102 103 *val = dev->fw_debug; 104 105 return 0; 106 } 107 108 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get, 109 mt7915_fw_debug_set, "%lld\n"); 110 111 static void 112 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, 113 struct seq_file *file) 114 { 115 struct mt7915_dev *dev = file->private; 116 bool ext_phy = phy != &dev->phy; 117 int bound[15], range[4], i, n; 118 119 if (!phy) 120 return; 121 122 /* Tx ampdu stat */ 123 for (i = 0; i < ARRAY_SIZE(range); i++) 124 range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i)); 125 126 for (i = 0; i < ARRAY_SIZE(bound); i++) 127 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1; 128 129 seq_printf(file, "\nPhy %d\n", ext_phy); 130 131 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]); 135 136 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"); 141 142 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); 143 } 144 145 static void 146 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s) 147 { 148 struct mt7915_dev *dev = s->private; 149 bool ext_phy = phy != &dev->phy; 150 int cnt; 151 152 if (!phy) 153 return; 154 155 /* Tx Beamformer monitor */ 156 seq_puts(s, "\nTx Beamformer applied PPDU counts: "); 157 158 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)); 162 163 /* Tx Beamformer Rx feedback monitor */ 164 seq_puts(s, "Tx Beamformer Rx feedback statistics: "); 165 166 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)); 172 173 /* 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)); 179 180 /* 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); 190 191 seq_puts(s, "\n"); 192 } 193 194 static int 195 mt7915_tx_stats_read(struct seq_file *file, void *data) 196 { 197 struct mt7915_dev *dev = file->private; 198 int stat[8], i, n; 199 200 mt7915_ampdu_stat_read_phy(&dev->phy, file); 201 mt7915_txbf_stat_read_phy(&dev->phy, file); 202 203 mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file); 204 mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file); 205 206 /* Tx amsdu info */ 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)); 210 n += stat[i]; 211 } 212 213 for (i = 0; i < ARRAY_SIZE(stat); i++) { 214 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", 215 i + 1, stat[i]); 216 if (n != 0) 217 seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); 218 else 219 seq_puts(file, "\n"); 220 } 221 222 return 0; 223 } 224 225 static int 226 mt7915_tx_stats_open(struct inode *inode, struct file *f) 227 { 228 return single_open(f, mt7915_tx_stats_read, inode->i_private); 229 } 230 231 static const struct file_operations fops_tx_stats = { 232 .open = mt7915_tx_stats_open, 233 .read = seq_read, 234 .llseek = seq_lseek, 235 .release = single_release, 236 }; 237 238 static int mt7915_read_temperature(struct seq_file *s, void *data) 239 { 240 struct mt7915_dev *dev = dev_get_drvdata(s->private); 241 int temp; 242 243 /* cpu */ 244 temp = mt7915_mcu_get_temperature(dev, 0); 245 seq_printf(s, "Temperature: %d\n", temp); 246 247 return 0; 248 } 249 250 static int 251 mt7915_queues_acq(struct seq_file *s, void *data) 252 { 253 struct mt7915_dev *dev = dev_get_drvdata(s->private); 254 int i; 255 256 for (i = 0; i < 16; i++) { 257 int j, acs = i / 4, index = i % 4; 258 u32 ctrl, val, qlen = 0; 259 260 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); 261 ctrl = BIT(31) | BIT(15) | (acs << 8); 262 263 for (j = 0; j < 32; j++) { 264 if (val & BIT(j)) 265 continue; 266 267 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, 268 ctrl | (j + (index << 5))); 269 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 270 GENMASK(11, 0)); 271 } 272 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); 273 } 274 275 return 0; 276 } 277 278 static int 279 mt7915_queues_read(struct seq_file *s, void *data) 280 { 281 struct mt7915_dev *dev = dev_get_drvdata(s->private); 282 static const struct { 283 char *queue; 284 int id; 285 } queue_map[] = { 286 { "WFDMA0", MT_TXQ_BE }, 287 { "MCUWM", MT_TXQ_MCU }, 288 { "MCUWA", MT_TXQ_MCU_WA }, 289 { "MCUFWQ", MT_TXQ_FWDL }, 290 }; 291 int i; 292 293 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 294 struct mt76_queue *q = dev->mt76.q_tx[queue_map[i].id]; 295 296 if (!q) 297 continue; 298 299 seq_printf(s, 300 "%s: queued=%d head=%d tail=%d\n", 301 queue_map[i].queue, q->queued, q->head, 302 q->tail); 303 } 304 305 return 0; 306 } 307 308 static void 309 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta, 310 s8 txpower_cur, int band) 311 { 312 static const char * const sku_group_name[] = { 313 "CCK", "OFDM", "HT20", "HT40", 314 "VHT20", "VHT40", "VHT80", "VHT160", 315 "RU26", "RU52", "RU106", "RU242/SU20", 316 "RU484/SU40", "RU996/SU80", "RU2x996/SU160" 317 }; 318 s8 txpower[MT7915_SKU_RATE_NUM]; 319 int i, idx = 0; 320 321 for (i = 0; i < MT7915_SKU_RATE_NUM; i++) 322 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2); 323 324 for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) { 325 const struct sku_group *sku = &mt7915_sku_groups[i]; 326 u32 offset = sku->offset[band]; 327 328 if (!offset) { 329 idx += sku->len; 330 continue; 331 } 332 333 mt76_seq_puts_array(s, sku_group_name[i], 334 txpower + idx, sku->len); 335 idx += sku->len; 336 } 337 } 338 339 static int 340 mt7915_read_rate_txpower(struct seq_file *s, void *data) 341 { 342 struct mt7915_dev *dev = dev_get_drvdata(s->private); 343 struct mt76_phy *mphy = &dev->mphy; 344 enum nl80211_band band = mphy->chandef.chan->band; 345 s8 *delta = dev->rate_power[band]; 346 s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX]; 347 348 seq_puts(s, "Band 0:\n"); 349 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 350 351 if (dev->mt76.phy2) { 352 mphy = dev->mt76.phy2; 353 band = mphy->chandef.chan->band; 354 delta = dev->rate_power[band]; 355 txpower_base = mphy->txpower_cur - 356 delta[MT7915_SKU_MAX_DELTA_IDX]; 357 358 seq_puts(s, "Band 1:\n"); 359 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 360 } 361 362 return 0; 363 } 364 365 int mt7915_init_debugfs(struct mt7915_dev *dev) 366 { 367 struct dentry *dir; 368 369 dir = mt76_register_debugfs(&dev->mt76); 370 if (!dir) 371 return -ENOMEM; 372 373 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 374 mt7915_queues_read); 375 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 376 mt7915_queues_acq); 377 debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); 378 debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc); 379 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 380 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); 381 /* test knobs */ 382 debugfs_create_file("radar_trigger", 0200, dir, dev, 383 &fops_radar_trigger); 384 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); 385 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, 386 mt7915_read_temperature); 387 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 388 mt7915_read_rate_txpower); 389 390 return 0; 391 } 392 393 #ifdef CONFIG_MAC80211_DEBUGFS 394 /** per-station debugfs **/ 395 396 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 397 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 398 { 399 struct ieee80211_sta *sta = data; 400 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 401 402 return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); 403 } 404 405 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 406 mt7915_sta_fixed_rate_set, "%llx\n"); 407 408 static int 409 mt7915_sta_stats_read(struct seq_file *s, void *data) 410 { 411 struct ieee80211_sta *sta = s->private; 412 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 413 struct mt7915_sta_stats *stats = &msta->stats; 414 struct rate_info *rate = &stats->prob_rate; 415 static const char * const bw[] = { 416 "BW20", "BW5", "BW10", "BW40", 417 "BW80", "BW160", "BW_HE_RU" 418 }; 419 420 if (!rate->legacy && !rate->flags) 421 return 0; 422 423 seq_puts(s, "Probing rate - "); 424 if (rate->flags & RATE_INFO_FLAGS_MCS) 425 seq_puts(s, "HT "); 426 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 427 seq_puts(s, "VHT "); 428 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 429 seq_puts(s, "HE "); 430 else 431 seq_printf(s, "Bitrate %d\n", rate->legacy); 432 433 if (rate->flags) { 434 seq_printf(s, "%s NSS%d MCS%d ", 435 bw[rate->bw], rate->nss, rate->mcs); 436 437 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 438 seq_puts(s, "SGI "); 439 else if (rate->he_gi) 440 seq_puts(s, "HE GI "); 441 442 if (rate->he_dcm) 443 seq_puts(s, "DCM "); 444 } 445 446 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 447 stats->per / 10, stats->per % 10); 448 449 return 0; 450 } 451 452 static int 453 mt7915_sta_stats_open(struct inode *inode, struct file *f) 454 { 455 return single_open(f, mt7915_sta_stats_read, inode->i_private); 456 } 457 458 static const struct file_operations fops_sta_stats = { 459 .open = mt7915_sta_stats_open, 460 .read = seq_read, 461 .llseek = seq_lseek, 462 .release = single_release, 463 }; 464 465 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 466 struct ieee80211_sta *sta, struct dentry *dir) 467 { 468 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 469 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); 470 } 471 #endif 472