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_fw_debug_set(void *data, u64 val) 52 { 53 struct mt7915_dev *dev = data; 54 enum { 55 DEBUG_TXCMD = 62, 56 DEBUG_CMD_RPT_TX, 57 DEBUG_CMD_RPT_TRIG, 58 DEBUG_SPL, 59 DEBUG_RPT_RX, 60 } debug; 61 62 dev->fw_debug = !!val; 63 64 mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); 65 66 for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) 67 mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug); 68 69 return 0; 70 } 71 72 static int 73 mt7915_fw_debug_get(void *data, u64 *val) 74 { 75 struct mt7915_dev *dev = data; 76 77 *val = dev->fw_debug; 78 79 return 0; 80 } 81 82 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get, 83 mt7915_fw_debug_set, "%lld\n"); 84 85 static void 86 mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, 87 struct seq_file *file) 88 { 89 struct mt7915_dev *dev = file->private; 90 bool ext_phy = phy != &dev->phy; 91 int bound[15], range[4], i, n; 92 93 if (!phy) 94 return; 95 96 /* Tx ampdu stat */ 97 for (i = 0; i < ARRAY_SIZE(range); i++) 98 range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i)); 99 100 for (i = 0; i < ARRAY_SIZE(bound); i++) 101 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1; 102 103 seq_printf(file, "\nPhy %d\n", ext_phy); 104 105 seq_printf(file, "Length: %8d | ", bound[0]); 106 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) 107 seq_printf(file, "%3d -%3d | ", 108 bound[i] + 1, bound[i + 1]); 109 110 seq_puts(file, "\nCount: "); 111 n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 112 for (i = 0; i < ARRAY_SIZE(bound); i++) 113 seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]); 114 seq_puts(file, "\n"); 115 116 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); 117 } 118 119 static void 120 mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s) 121 { 122 struct mt7915_dev *dev = s->private; 123 bool ext_phy = phy != &dev->phy; 124 int cnt; 125 126 if (!phy) 127 return; 128 129 /* Tx Beamformer monitor */ 130 seq_puts(s, "\nTx Beamformer applied PPDU counts: "); 131 132 cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy)); 133 seq_printf(s, "iBF: %ld, eBF: %ld\n", 134 FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt), 135 FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt)); 136 137 /* Tx Beamformer Rx feedback monitor */ 138 seq_puts(s, "Tx Beamformer Rx feedback statistics: "); 139 140 cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy)); 141 seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld\n", 142 FIELD_GET(MT_ETBF_RX_FB_ALL, cnt), 143 FIELD_GET(MT_ETBF_RX_FB_HE, cnt), 144 FIELD_GET(MT_ETBF_RX_FB_VHT, cnt), 145 FIELD_GET(MT_ETBF_RX_FB_HT, cnt)); 146 147 /* Tx Beamformee Rx NDPA & Tx feedback report */ 148 cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy)); 149 seq_printf(s, "Tx Beamformee successful feedback frames: %ld\n", 150 FIELD_GET(MT_ETBF_TX_FB_CPL, cnt)); 151 seq_printf(s, "Tx Beamformee feedback triggered counts: %ld\n", 152 FIELD_GET(MT_ETBF_TX_FB_TRI, cnt)); 153 154 /* Tx SU & MU counters */ 155 cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy)); 156 seq_printf(s, "Tx multi-user Beamforming counts: %ld\n", 157 FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt)); 158 cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy)); 159 seq_printf(s, "Tx multi-user MPDU counts: %d\n", cnt); 160 cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy)); 161 seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", cnt); 162 cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy)); 163 seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt); 164 165 seq_puts(s, "\n"); 166 } 167 168 static int 169 mt7915_tx_stats_read(struct seq_file *file, void *data) 170 { 171 struct mt7915_dev *dev = file->private; 172 int stat[8], i, n; 173 174 mt7915_ampdu_stat_read_phy(&dev->phy, file); 175 mt7915_txbf_stat_read_phy(&dev->phy, file); 176 177 mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file); 178 mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file); 179 180 /* Tx amsdu info */ 181 seq_puts(file, "Tx MSDU stat:\n"); 182 for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) { 183 stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); 184 n += stat[i]; 185 } 186 187 for (i = 0; i < ARRAY_SIZE(stat); i++) { 188 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", 189 i + 1, stat[i]); 190 if (n != 0) 191 seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); 192 else 193 seq_puts(file, "\n"); 194 } 195 196 return 0; 197 } 198 199 static int 200 mt7915_tx_stats_open(struct inode *inode, struct file *f) 201 { 202 return single_open(f, mt7915_tx_stats_read, inode->i_private); 203 } 204 205 static const struct file_operations fops_tx_stats = { 206 .open = mt7915_tx_stats_open, 207 .read = seq_read, 208 .llseek = seq_lseek, 209 .release = single_release, 210 .owner = THIS_MODULE, 211 }; 212 213 static int mt7915_read_temperature(struct seq_file *s, void *data) 214 { 215 struct mt7915_dev *dev = dev_get_drvdata(s->private); 216 int temp; 217 218 /* cpu */ 219 temp = mt7915_mcu_get_temperature(dev, 0); 220 seq_printf(s, "Temperature: %d\n", temp); 221 222 return 0; 223 } 224 225 static int 226 mt7915_queues_acq(struct seq_file *s, void *data) 227 { 228 struct mt7915_dev *dev = dev_get_drvdata(s->private); 229 int i; 230 231 for (i = 0; i < 16; i++) { 232 int j, acs = i / 4, index = i % 4; 233 u32 ctrl, val, qlen = 0; 234 235 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); 236 ctrl = BIT(31) | BIT(15) | (acs << 8); 237 238 for (j = 0; j < 32; j++) { 239 if (val & BIT(j)) 240 continue; 241 242 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, 243 ctrl | (j + (index << 5))); 244 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 245 GENMASK(11, 0)); 246 } 247 seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); 248 } 249 250 return 0; 251 } 252 253 static int 254 mt7915_queues_read(struct seq_file *s, void *data) 255 { 256 struct mt7915_dev *dev = dev_get_drvdata(s->private); 257 struct mt76_phy *mphy_ext = dev->mt76.phy2; 258 struct mt76_queue *ext_q = mphy_ext ? mphy_ext->q_tx[MT_TXQ_BE] : NULL; 259 struct { 260 struct mt76_queue *q; 261 char *queue; 262 } queue_map[] = { 263 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 264 { ext_q, "WFDMA1" }, 265 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 266 { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, 267 { dev->mt76.q_mcu[MT_MCUQ_WA], "MCUWA" }, 268 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, 269 }; 270 int i; 271 272 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 273 struct mt76_queue *q = queue_map[i].q; 274 275 if (!q) 276 continue; 277 278 seq_printf(s, 279 "%s: queued=%d head=%d tail=%d\n", 280 queue_map[i].queue, q->queued, q->head, 281 q->tail); 282 } 283 284 return 0; 285 } 286 287 static void 288 mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta, 289 s8 txpower_cur, int band) 290 { 291 static const char * const sku_group_name[] = { 292 "CCK", "OFDM", "HT20", "HT40", 293 "VHT20", "VHT40", "VHT80", "VHT160", 294 "RU26", "RU52", "RU106", "RU242/SU20", 295 "RU484/SU40", "RU996/SU80", "RU2x996/SU160" 296 }; 297 s8 txpower[MT7915_SKU_RATE_NUM]; 298 int i, idx = 0; 299 300 for (i = 0; i < MT7915_SKU_RATE_NUM; i++) 301 txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2); 302 303 for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) { 304 const struct sku_group *sku = &mt7915_sku_groups[i]; 305 u32 offset = sku->offset[band]; 306 307 if (!offset) { 308 idx += sku->len; 309 continue; 310 } 311 312 mt76_seq_puts_array(s, sku_group_name[i], 313 txpower + idx, sku->len); 314 idx += sku->len; 315 } 316 } 317 318 static int 319 mt7915_read_rate_txpower(struct seq_file *s, void *data) 320 { 321 struct mt7915_dev *dev = dev_get_drvdata(s->private); 322 struct mt76_phy *mphy = &dev->mphy; 323 enum nl80211_band band = mphy->chandef.chan->band; 324 s8 *delta = dev->rate_power[band]; 325 s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX]; 326 327 seq_puts(s, "Band 0:\n"); 328 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 329 330 if (dev->mt76.phy2) { 331 mphy = dev->mt76.phy2; 332 band = mphy->chandef.chan->band; 333 delta = dev->rate_power[band]; 334 txpower_base = mphy->txpower_cur - 335 delta[MT7915_SKU_MAX_DELTA_IDX]; 336 337 seq_puts(s, "Band 1:\n"); 338 mt7915_puts_rate_txpower(s, delta, txpower_base, band); 339 } 340 341 return 0; 342 } 343 344 int mt7915_init_debugfs(struct mt7915_dev *dev) 345 { 346 struct dentry *dir; 347 348 dir = mt76_register_debugfs(&dev->mt76); 349 if (!dir) 350 return -ENOMEM; 351 352 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, 353 mt7915_queues_read); 354 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 355 mt7915_queues_acq); 356 debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); 357 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 358 debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); 359 /* test knobs */ 360 debugfs_create_file("radar_trigger", 0200, dir, dev, 361 &fops_radar_trigger); 362 debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); 363 debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, 364 mt7915_read_temperature); 365 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 366 mt7915_read_rate_txpower); 367 368 return 0; 369 } 370 371 #ifdef CONFIG_MAC80211_DEBUGFS 372 /** per-station debugfs **/ 373 374 /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ 375 static int mt7915_sta_fixed_rate_set(void *data, u64 rate) 376 { 377 struct ieee80211_sta *sta = data; 378 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 379 380 return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); 381 } 382 383 DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, 384 mt7915_sta_fixed_rate_set, "%llx\n"); 385 386 static int 387 mt7915_sta_stats_read(struct seq_file *s, void *data) 388 { 389 struct ieee80211_sta *sta = s->private; 390 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 391 struct mt7915_sta_stats *stats = &msta->stats; 392 struct rate_info *rate = &stats->prob_rate; 393 static const char * const bw[] = { 394 "BW20", "BW5", "BW10", "BW40", 395 "BW80", "BW160", "BW_HE_RU" 396 }; 397 398 if (!rate->legacy && !rate->flags) 399 return 0; 400 401 seq_puts(s, "Probing rate - "); 402 if (rate->flags & RATE_INFO_FLAGS_MCS) 403 seq_puts(s, "HT "); 404 else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) 405 seq_puts(s, "VHT "); 406 else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) 407 seq_puts(s, "HE "); 408 else 409 seq_printf(s, "Bitrate %d\n", rate->legacy); 410 411 if (rate->flags) { 412 seq_printf(s, "%s NSS%d MCS%d ", 413 bw[rate->bw], rate->nss, rate->mcs); 414 415 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) 416 seq_puts(s, "SGI "); 417 else if (rate->he_gi) 418 seq_puts(s, "HE GI "); 419 420 if (rate->he_dcm) 421 seq_puts(s, "DCM "); 422 } 423 424 seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", 425 stats->per / 10, stats->per % 10); 426 427 return 0; 428 } 429 430 static int 431 mt7915_sta_stats_open(struct inode *inode, struct file *f) 432 { 433 return single_open(f, mt7915_sta_stats_read, inode->i_private); 434 } 435 436 static const struct file_operations fops_sta_stats = { 437 .open = mt7915_sta_stats_open, 438 .read = seq_read, 439 .llseek = seq_lseek, 440 .release = single_release, 441 .owner = THIS_MODULE, 442 }; 443 444 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 445 struct ieee80211_sta *sta, struct dentry *dir) 446 { 447 debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); 448 debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats); 449 } 450 #endif 451