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 static int 10 mt7915_implicit_txbf_set(void *data, u64 val) 11 { 12 struct mt7915_dev *dev = data; 13 14 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 15 return -EBUSY; 16 17 dev->ibf = !!val; 18 19 return mt7915_mcu_set_txbf_type(dev); 20 } 21 22 static int 23 mt7915_implicit_txbf_get(void *data, u64 *val) 24 { 25 struct mt7915_dev *dev = data; 26 27 *val = dev->ibf; 28 29 return 0; 30 } 31 32 DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get, 33 mt7915_implicit_txbf_set, "%lld\n"); 34 35 /* test knob of system layer 1/2 error recovery */ 36 static int mt7915_ser_trigger_set(void *data, u64 val) 37 { 38 enum { 39 SER_SET_RECOVER_L1 = 1, 40 SER_SET_RECOVER_L2, 41 SER_ENABLE = 2, 42 SER_RECOVER 43 }; 44 struct mt7915_dev *dev = data; 45 int ret = 0; 46 47 switch (val) { 48 case SER_SET_RECOVER_L1: 49 case SER_SET_RECOVER_L2: 50 ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0); 51 if (ret) 52 return ret; 53 54 return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0); 55 default: 56 break; 57 } 58 59 return ret; 60 } 61 62 DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL, 63 mt7915_ser_trigger_set, "%lld\n"); 64 65 static int 66 mt7915_radar_trigger(void *data, u64 val) 67 { 68 struct mt7915_dev *dev = data; 69 70 return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0); 71 } 72 73 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, 74 mt7915_radar_trigger, "%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 .owner = THIS_MODULE, 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 struct mt76_phy *mphy_ext = dev->mt76.phy2; 284 struct mt76_queue *ext_q = mphy_ext ? mphy_ext->q_tx[MT_TXQ_BE] : NULL; 285 struct { 286 struct mt76_queue *q; 287 char *queue; 288 } queue_map[] = { 289 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 290 { ext_q, "WFDMA1" }, 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" }, 295 }; 296 int i; 297 298 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 299 struct mt76_queue *q = queue_map[i].q; 300 301 if (!q) 302 continue; 303 304 seq_printf(s, 305 "%s: queued=%d head=%d tail=%d\n", 306 queue_map[i].queue, q->queued, q->head, 307 q->tail); 308 } 309 310 return 0; 311 } 312 313 static void 314 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta, 315 s8 txpower_cur, int band) 316 { 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" 322 }; 323 s8 txpower[MT7915_SKU_RATE_NUM]; 324 int i, idx = 0; 325 326 for (i = 0; i < MT7915_SKU_RATE_NUM; i++) 327 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2); 328 329 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]; 332 333 if (!offset) { 334 idx += sku->len; 335 continue; 336 } 337 338 mt76_seq_puts_array(s, sku_group_name[i], 339 txpower + idx, sku->len); 340 idx += sku->len; 341 } 342 } 343 344 static int 345 mt7915_read_rate_txpower(struct seq_file *s, void *data) 346 { 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]; 352 353 seq_puts(s, "Band 0:\n"); 354 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 355 356 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]; 362 363 seq_puts(s, "Band 1:\n"); 364 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 365 } 366 367 return 0; 368 } 369 370 int mt7915_init_debugfs(struct mt7915_dev *dev) 371 { 372 struct dentry *dir; 373 374 dir = mt76_register_debugfs(&dev->mt76); 375 if (!dir) 376 return -ENOMEM; 377 378 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 379 mt7915_queues_read); 380 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 381 mt7915_queues_acq); 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); 387 /* test knobs */ 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); 395 396 return 0; 397 } 398 399 #ifdef CONFIG_MAC80211_DEBUGFS 400 /** per-station debugfs **/ 401 402 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 403 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 404 { 405 struct ieee80211_sta *sta = data; 406 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 407 408 return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); 409 } 410 411 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 412 mt7915_sta_fixed_rate_set, "%llx\n"); 413 414 static int 415 mt7915_sta_stats_read(struct seq_file *s, void *data) 416 { 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" 424 }; 425 426 if (!rate->legacy && !rate->flags) 427 return 0; 428 429 seq_puts(s, "Probing rate - "); 430 if (rate->flags & RATE_INFO_FLAGS_MCS) 431 seq_puts(s, "HT "); 432 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 433 seq_puts(s, "VHT "); 434 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 435 seq_puts(s, "HE "); 436 else 437 seq_printf(s, "Bitrate %d\n", rate->legacy); 438 439 if (rate->flags) { 440 seq_printf(s, "%s NSS%d MCS%d ", 441 bw[rate->bw], rate->nss, rate->mcs); 442 443 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 444 seq_puts(s, "SGI "); 445 else if (rate->he_gi) 446 seq_puts(s, "HE GI "); 447 448 if (rate->he_dcm) 449 seq_puts(s, "DCM "); 450 } 451 452 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 453 stats->per / 10, stats->per % 10); 454 455 return 0; 456 } 457 458 static int 459 mt7915_sta_stats_open(struct inode *inode, struct file *f) 460 { 461 return single_open(f, mt7915_sta_stats_read, inode->i_private); 462 } 463 464 static const struct file_operations fops_sta_stats = { 465 .open = mt7915_sta_stats_open, 466 .read = seq_read, 467 .llseek = seq_lseek, 468 .release = single_release, 469 .owner = THIS_MODULE, 470 }; 471 472 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 473 struct ieee80211_sta *sta, struct dentry *dir) 474 { 475 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 476 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); 477 } 478 #endif 479