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 % 4) + 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_show(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 DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats); 226 227 static int mt7915_read_temperature(struct seq_file *s, void *data) 228 { 229 struct mt7915_dev *dev = dev_get_drvdata(s->private); 230 int temp; 231 232 /* cpu */ 233 temp = mt7915_mcu_get_temperature(dev, 0); 234 seq_printf(s, "Temperature: %d\n", temp); 235 236 return 0; 237 } 238 239 static int 240 mt7915_queues_acq(struct seq_file *s, void *data) 241 { 242 struct mt7915_dev *dev = dev_get_drvdata(s->private); 243 int i; 244 245 for (i = 0; i < 16; i++) { 246 int j, acs = i / 4, index = i % 4; 247 u32 ctrl, val, qlen = 0; 248 249 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); 250 ctrl = BIT(31) | BIT(15) | (acs << 8); 251 252 for (j = 0; j < 32; j++) { 253 if (val & BIT(j)) 254 continue; 255 256 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, 257 ctrl | (j + (index << 5))); 258 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 259 GENMASK(11, 0)); 260 } 261 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); 262 } 263 264 return 0; 265 } 266 267 static int 268 mt7915_queues_read(struct seq_file *s, void *data) 269 { 270 struct mt7915_dev *dev = dev_get_drvdata(s->private); 271 struct mt76_phy *mphy_ext = dev->mt76.phy2; 272 struct mt76_queue *ext_q = mphy_ext ? mphy_ext->q_tx[MT_TXQ_BE] : NULL; 273 struct { 274 struct mt76_queue *q; 275 char *queue; 276 } queue_map[] = { 277 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 278 { ext_q, "WFDMA1" }, 279 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 280 { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, 281 { dev->mt76.q_mcu[MT_MCUQ_WA], "MCUWA" }, 282 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, 283 }; 284 int i; 285 286 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 287 struct mt76_queue *q = queue_map[i].q; 288 289 if (!q) 290 continue; 291 292 seq_printf(s, 293 "%s: queued=%d head=%d tail=%d\n", 294 queue_map[i].queue, q->queued, q->head, 295 q->tail); 296 } 297 298 return 0; 299 } 300 301 static void 302 mt7915_puts_rate_txpower(struct seq_file *s, struct mt7915_phy *phy) 303 { 304 static const char * const sku_group_name[] = { 305 "CCK", "OFDM", "HT20", "HT40", 306 "VHT20", "VHT40", "VHT80", "VHT160", 307 "RU26", "RU52", "RU106", "RU242/SU20", 308 "RU484/SU40", "RU996/SU80", "RU2x996/SU160" 309 }; 310 struct mt7915_dev *dev = dev_get_drvdata(s->private); 311 bool ext_phy = phy != &dev->phy; 312 u32 reg_base; 313 int i, idx = 0; 314 315 if (!phy) 316 return; 317 318 reg_base = MT_TMAC_FP0R0(ext_phy); 319 seq_printf(s, "\nBand %d\n", ext_phy); 320 321 for (i = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) { 322 u8 cnt, mcs_num = mt7915_sku_group_len[i]; 323 s8 txpower[12]; 324 int j; 325 326 if (i == SKU_HT_BW20 || i == SKU_HT_BW40) { 327 mcs_num = 8; 328 } else if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160) { 329 mcs_num = 10; 330 } else if (i == SKU_HE_RU26) { 331 reg_base = MT_TMAC_FP0R18(ext_phy); 332 idx = 0; 333 } 334 335 for (j = 0, cnt = 0; j < DIV_ROUND_UP(mcs_num, 4); j++) { 336 u32 val; 337 338 if (i == SKU_VHT_BW160 && idx == 60) { 339 reg_base = MT_TMAC_FP0R15(ext_phy); 340 idx = 0; 341 } 342 343 val = mt76_rr(dev, reg_base + (idx / 4) * 4); 344 345 if (idx && idx % 4) 346 val >>= (idx % 4) * 8; 347 348 while (val > 0 && cnt < mcs_num) { 349 s8 pwr = FIELD_GET(MT_TMAC_FP_MASK, val); 350 351 txpower[cnt++] = pwr; 352 val >>= 8; 353 idx++; 354 } 355 } 356 357 mt76_seq_puts_array(s, sku_group_name[i], txpower, mcs_num); 358 } 359 } 360 361 static int 362 mt7915_read_rate_txpower(struct seq_file *s, void *data) 363 { 364 struct mt7915_dev *dev = dev_get_drvdata(s->private); 365 366 mt7915_puts_rate_txpower(s, &dev->phy); 367 mt7915_puts_rate_txpower(s, mt7915_ext_phy(dev)); 368 369 return 0; 370 } 371 372 int mt7915_init_debugfs(struct mt7915_dev *dev) 373 { 374 struct dentry *dir; 375 376 dir = mt76_register_debugfs(&dev->mt76); 377 if (!dir) 378 return -ENOMEM; 379 380 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 381 mt7915_queues_read); 382 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 383 mt7915_queues_acq); 384 debugfs_create_file("tx_stats", 0400, dir, dev, &mt7915_tx_stats_fops); 385 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 386 debugfs_create_file("implicit_txbf", 0600, dir, dev, 387 &fops_implicit_txbf); 388 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); 389 /* test knobs */ 390 debugfs_create_file("radar_trigger", 0200, dir, dev, 391 &fops_radar_trigger); 392 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); 393 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, 394 mt7915_read_temperature); 395 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 396 mt7915_read_rate_txpower); 397 398 return 0; 399 } 400 401 #ifdef CONFIG_MAC80211_DEBUGFS 402 /** per-station debugfs **/ 403 404 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 405 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 406 { 407 struct ieee80211_sta *sta = data; 408 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 409 410 return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); 411 } 412 413 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 414 mt7915_sta_fixed_rate_set, "%llx\n"); 415 416 static int 417 mt7915_sta_stats_show(struct seq_file *s, void *data) 418 { 419 struct ieee80211_sta *sta = s->private; 420 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 421 struct mt7915_sta_stats *stats = &msta->stats; 422 struct rate_info *rate = &stats->prob_rate; 423 static const char * const bw[] = { 424 "BW20", "BW5", "BW10", "BW40", 425 "BW80", "BW160", "BW_HE_RU" 426 }; 427 428 if (!rate->legacy && !rate->flags) 429 return 0; 430 431 seq_puts(s, "Probing rate - "); 432 if (rate->flags & RATE_INFO_FLAGS_MCS) 433 seq_puts(s, "HT "); 434 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 435 seq_puts(s, "VHT "); 436 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 437 seq_puts(s, "HE "); 438 else 439 seq_printf(s, "Bitrate %d\n", rate->legacy); 440 441 if (rate->flags) { 442 seq_printf(s, "%s NSS%d MCS%d ", 443 bw[rate->bw], rate->nss, rate->mcs); 444 445 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 446 seq_puts(s, "SGI "); 447 else if (rate->he_gi) 448 seq_puts(s, "HE GI "); 449 450 if (rate->he_dcm) 451 seq_puts(s, "DCM "); 452 } 453 454 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 455 stats->per / 10, stats->per % 10); 456 457 return 0; 458 } 459 460 DEFINE_SHOW_ATTRIBUTE(mt7915_sta_stats); 461 462 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 463 struct ieee80211_sta *sta, struct dentry *dir) 464 { 465 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 466 debugfs_create_file("stats", 0400, dir, sta, &mt7915_sta_stats_fops); 467 } 468 #endif 469