1 /* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <linux/slab.h> 18 #include <linux/vmalloc.h> 19 #include <linux/export.h> 20 #include <linux/unaligned.h> 21 22 #include "ath9k.h" 23 24 #define REG_WRITE_D(_ah, _reg, _val) \ 25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) 26 #define REG_READ_D(_ah, _reg) \ 27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) 28 29 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) 30 { 31 if (sync_cause) 32 sc->debug.stats.istats.sync_cause_all++; 33 if (sync_cause & AR_INTR_SYNC_RTC_IRQ) 34 sc->debug.stats.istats.sync_rtc_irq++; 35 if (sync_cause & AR_INTR_SYNC_MAC_IRQ) 36 sc->debug.stats.istats.sync_mac_irq++; 37 if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS) 38 sc->debug.stats.istats.eeprom_illegal_access++; 39 if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT) 40 sc->debug.stats.istats.apb_timeout++; 41 if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT) 42 sc->debug.stats.istats.pci_mode_conflict++; 43 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) 44 sc->debug.stats.istats.host1_fatal++; 45 if (sync_cause & AR_INTR_SYNC_HOST1_PERR) 46 sc->debug.stats.istats.host1_perr++; 47 if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR) 48 sc->debug.stats.istats.trcv_fifo_perr++; 49 if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP) 50 sc->debug.stats.istats.radm_cpl_ep++; 51 if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT) 52 sc->debug.stats.istats.radm_cpl_dllp_abort++; 53 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT) 54 sc->debug.stats.istats.radm_cpl_tlp_abort++; 55 if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR) 56 sc->debug.stats.istats.radm_cpl_ecrc_err++; 57 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) 58 sc->debug.stats.istats.radm_cpl_timeout++; 59 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) 60 sc->debug.stats.istats.local_timeout++; 61 if (sync_cause & AR_INTR_SYNC_PM_ACCESS) 62 sc->debug.stats.istats.pm_access++; 63 if (sync_cause & AR_INTR_SYNC_MAC_AWAKE) 64 sc->debug.stats.istats.mac_awake++; 65 if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP) 66 sc->debug.stats.istats.mac_asleep++; 67 if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS) 68 sc->debug.stats.istats.mac_sleep_access++; 69 } 70 71 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, 72 size_t count, loff_t *ppos) 73 { 74 u8 *buf = file->private_data; 75 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 76 } 77 78 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file) 79 { 80 vfree(file->private_data); 81 return 0; 82 } 83 84 #ifdef CONFIG_ATH_DEBUG 85 86 static ssize_t read_file_debug(struct file *file, char __user *user_buf, 87 size_t count, loff_t *ppos) 88 { 89 struct ath_softc *sc = file->private_data; 90 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 91 char buf[32]; 92 unsigned int len; 93 94 len = sprintf(buf, "0x%08x\n", common->debug_mask); 95 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 96 } 97 98 static ssize_t write_file_debug(struct file *file, const char __user *user_buf, 99 size_t count, loff_t *ppos) 100 { 101 struct ath_softc *sc = file->private_data; 102 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 103 unsigned long mask; 104 ssize_t ret; 105 106 ret = kstrtoul_from_user(user_buf, count, 0, &mask); 107 if (ret) 108 return ret; 109 110 common->debug_mask = mask; 111 return count; 112 } 113 114 static const struct file_operations fops_debug = { 115 .read = read_file_debug, 116 .write = write_file_debug, 117 .open = simple_open, 118 .owner = THIS_MODULE, 119 .llseek = default_llseek, 120 }; 121 122 #endif 123 124 #define DMA_BUF_LEN 1024 125 126 127 static ssize_t read_file_ani(struct file *file, char __user *user_buf, 128 size_t count, loff_t *ppos) 129 { 130 struct ath_softc *sc = file->private_data; 131 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 132 struct ath_hw *ah = sc->sc_ah; 133 unsigned int len = 0; 134 const unsigned int size = 1024; 135 ssize_t retval = 0; 136 char *buf; 137 int i; 138 struct { 139 const char *name; 140 unsigned int val; 141 } ani_info[] = { 142 { "ANI RESET", ah->stats.ast_ani_reset }, 143 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel }, 144 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel }, 145 { "SPUR UP", ah->stats.ast_ani_spurup }, 146 { "SPUR DOWN", ah->stats.ast_ani_spurdown }, 147 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon }, 148 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff }, 149 { "MRC-CCK ON", ah->stats.ast_ani_ccklow }, 150 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh }, 151 { "FIR-STEP UP", ah->stats.ast_ani_stepup }, 152 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown }, 153 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero }, 154 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs }, 155 { "CCK ERRORS", ah->stats.ast_ani_cckerrs }, 156 }; 157 158 buf = kzalloc(size, GFP_KERNEL); 159 if (buf == NULL) 160 return -ENOMEM; 161 162 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI", 163 common->disable_ani ? "DISABLED" : "ENABLED"); 164 165 if (common->disable_ani) 166 goto exit; 167 168 for (i = 0; i < ARRAY_SIZE(ani_info); i++) 169 len += scnprintf(buf + len, size - len, "%15s: %u\n", 170 ani_info[i].name, ani_info[i].val); 171 172 exit: 173 if (len > size) 174 len = size; 175 176 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 177 kfree(buf); 178 179 return retval; 180 } 181 182 static ssize_t write_file_ani(struct file *file, 183 const char __user *user_buf, 184 size_t count, loff_t *ppos) 185 { 186 struct ath_softc *sc = file->private_data; 187 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 188 unsigned long ani; 189 ssize_t ret; 190 191 ret = kstrtoul_from_user(user_buf, count, 0, &ani); 192 if (ret) 193 return ret; 194 195 if (ani > 1) 196 return -EINVAL; 197 198 common->disable_ani = !ani; 199 200 if (common->disable_ani) { 201 clear_bit(ATH_OP_ANI_RUN, &common->op_flags); 202 ath_stop_ani(sc); 203 } else { 204 ath_check_ani(sc); 205 } 206 207 return count; 208 } 209 210 static const struct file_operations fops_ani = { 211 .read = read_file_ani, 212 .write = write_file_ani, 213 .open = simple_open, 214 .owner = THIS_MODULE, 215 .llseek = default_llseek, 216 }; 217 218 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 219 220 static ssize_t read_file_bt_ant_diversity(struct file *file, 221 char __user *user_buf, 222 size_t count, loff_t *ppos) 223 { 224 struct ath_softc *sc = file->private_data; 225 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 226 char buf[32]; 227 unsigned int len; 228 229 len = sprintf(buf, "%d\n", common->bt_ant_diversity); 230 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 231 } 232 233 static ssize_t write_file_bt_ant_diversity(struct file *file, 234 const char __user *user_buf, 235 size_t count, loff_t *ppos) 236 { 237 struct ath_softc *sc = file->private_data; 238 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 239 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps; 240 unsigned long bt_ant_diversity; 241 ssize_t ret; 242 243 ret = kstrtoul_from_user(user_buf, count, 0, &bt_ant_diversity); 244 if (ret) 245 return ret; 246 247 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) 248 goto exit; 249 250 common->bt_ant_diversity = !!bt_ant_diversity; 251 ath9k_ps_wakeup(sc); 252 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity); 253 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n", 254 common->bt_ant_diversity); 255 ath9k_ps_restore(sc); 256 exit: 257 return count; 258 } 259 260 static const struct file_operations fops_bt_ant_diversity = { 261 .read = read_file_bt_ant_diversity, 262 .write = write_file_bt_ant_diversity, 263 .open = simple_open, 264 .owner = THIS_MODULE, 265 .llseek = default_llseek, 266 }; 267 268 #endif 269 270 void ath9k_debug_stat_ant(struct ath_softc *sc, 271 struct ath_hw_antcomb_conf *div_ant_conf, 272 int main_rssi_avg, int alt_rssi_avg) 273 { 274 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; 275 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; 276 277 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++; 278 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++; 279 280 as_main->rssi_avg = main_rssi_avg; 281 as_alt->rssi_avg = alt_rssi_avg; 282 } 283 284 static ssize_t read_file_antenna_diversity(struct file *file, 285 char __user *user_buf, 286 size_t count, loff_t *ppos) 287 { 288 struct ath_softc *sc = file->private_data; 289 struct ath_hw *ah = sc->sc_ah; 290 struct ath9k_hw_capabilities *pCap = &ah->caps; 291 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; 292 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; 293 struct ath_hw_antcomb_conf div_ant_conf; 294 unsigned int len = 0; 295 const unsigned int size = 1024; 296 ssize_t retval = 0; 297 char *buf; 298 static const char *lna_conf_str[4] = { 299 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2" 300 }; 301 302 buf = kzalloc(size, GFP_KERNEL); 303 if (buf == NULL) 304 return -ENOMEM; 305 306 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) { 307 len += scnprintf(buf + len, size - len, "%s\n", 308 "Antenna Diversity Combining is disabled"); 309 goto exit; 310 } 311 312 ath9k_ps_wakeup(sc); 313 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); 314 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n", 315 lna_conf_str[div_ant_conf.main_lna_conf]); 316 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n", 317 lna_conf_str[div_ant_conf.alt_lna_conf]); 318 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n", 319 as_main->rssi_avg); 320 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n", 321 as_alt->rssi_avg); 322 ath9k_ps_restore(sc); 323 324 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n"); 325 len += scnprintf(buf + len, size - len, "-------------------\n"); 326 327 len += scnprintf(buf + len, size - len, "%30s%15s\n", 328 "MAIN", "ALT"); 329 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 330 "TOTAL COUNT", 331 as_main->recv_cnt, 332 as_alt->recv_cnt); 333 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 334 "LNA1", 335 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1], 336 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]); 337 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 338 "LNA2", 339 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2], 340 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]); 341 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 342 "LNA1 + LNA2", 343 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], 344 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); 345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 346 "LNA1 - LNA2", 347 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], 348 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); 349 350 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n"); 351 len += scnprintf(buf + len, size - len, "--------------------\n"); 352 353 len += scnprintf(buf + len, size - len, "%30s%15s\n", 354 "MAIN", "ALT"); 355 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 356 "LNA1", 357 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1], 358 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]); 359 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 360 "LNA2", 361 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2], 362 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]); 363 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 364 "LNA1 + LNA2", 365 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], 366 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); 367 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 368 "LNA1 - LNA2", 369 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], 370 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); 371 372 exit: 373 if (len > size) 374 len = size; 375 376 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 377 kfree(buf); 378 379 return retval; 380 } 381 382 static const struct file_operations fops_antenna_diversity = { 383 .read = read_file_antenna_diversity, 384 .open = simple_open, 385 .owner = THIS_MODULE, 386 .llseek = default_llseek, 387 }; 388 389 static int read_file_dma(struct seq_file *file, void *data) 390 { 391 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 392 struct ath_softc *sc = hw->priv; 393 struct ath_hw *ah = sc->sc_ah; 394 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 395 int i, qcuOffset = 0, dcuOffset = 0; 396 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 397 398 ath9k_ps_wakeup(sc); 399 400 REG_WRITE_D(ah, AR_MACMISC, 401 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 402 (AR_MACMISC_MISC_OBS_BUS_1 << 403 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 404 405 seq_puts(file, "Raw DMA Debug values:\n"); 406 407 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 408 if (i % 4 == 0) 409 seq_puts(file, "\n"); 410 411 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 412 seq_printf(file, "%d: %08x ", i, val[i]); 413 } 414 415 seq_puts(file, "\n\n"); 416 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 417 418 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 419 if (i == 8) { 420 qcuOffset = 0; 421 qcuBase++; 422 } 423 424 if (i == 6) { 425 dcuOffset = 0; 426 dcuBase++; 427 } 428 429 seq_printf(file, "%2d %2x %1x %2x %2x\n", 430 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 431 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 432 (val[2] & (0x7 << (i * 3))) >> (i * 3), 433 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 434 } 435 436 seq_puts(file, "\n"); 437 438 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n", 439 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 440 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n", 441 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 442 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n", 443 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 444 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 445 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 446 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 447 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 448 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 449 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 450 451 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1)); 452 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 453 454 ath9k_ps_restore(sc); 455 456 return 0; 457 } 458 459 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 460 { 461 if (status) 462 sc->debug.stats.istats.total++; 463 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 464 if (status & ATH9K_INT_RXLP) 465 sc->debug.stats.istats.rxlp++; 466 if (status & ATH9K_INT_RXHP) 467 sc->debug.stats.istats.rxhp++; 468 if (status & ATH9K_INT_BB_WATCHDOG) 469 sc->debug.stats.istats.bb_watchdog++; 470 } else { 471 if (status & ATH9K_INT_RX) 472 sc->debug.stats.istats.rxok++; 473 } 474 if (status & ATH9K_INT_RXEOL) 475 sc->debug.stats.istats.rxeol++; 476 if (status & ATH9K_INT_RXORN) 477 sc->debug.stats.istats.rxorn++; 478 if (status & ATH9K_INT_TX) 479 sc->debug.stats.istats.txok++; 480 if (status & ATH9K_INT_TXURN) 481 sc->debug.stats.istats.txurn++; 482 if (status & ATH9K_INT_RXPHY) 483 sc->debug.stats.istats.rxphyerr++; 484 if (status & ATH9K_INT_RXKCM) 485 sc->debug.stats.istats.rx_keycache_miss++; 486 if (status & ATH9K_INT_SWBA) 487 sc->debug.stats.istats.swba++; 488 if (status & ATH9K_INT_BMISS) 489 sc->debug.stats.istats.bmiss++; 490 if (status & ATH9K_INT_BNR) 491 sc->debug.stats.istats.bnr++; 492 if (status & ATH9K_INT_CST) 493 sc->debug.stats.istats.cst++; 494 if (status & ATH9K_INT_GTT) 495 sc->debug.stats.istats.gtt++; 496 if (status & ATH9K_INT_TIM) 497 sc->debug.stats.istats.tim++; 498 if (status & ATH9K_INT_CABEND) 499 sc->debug.stats.istats.cabend++; 500 if (status & ATH9K_INT_DTIMSYNC) 501 sc->debug.stats.istats.dtimsync++; 502 if (status & ATH9K_INT_DTIM) 503 sc->debug.stats.istats.dtim++; 504 if (status & ATH9K_INT_TSFOOR) 505 sc->debug.stats.istats.tsfoor++; 506 if (status & ATH9K_INT_MCI) 507 sc->debug.stats.istats.mci++; 508 if (status & ATH9K_INT_GENTIMER) 509 sc->debug.stats.istats.gen_timer++; 510 } 511 512 static int read_file_interrupt(struct seq_file *file, void *data) 513 { 514 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 515 struct ath_softc *sc = hw->priv; 516 517 #define PR_IS(a, s) \ 518 do { \ 519 seq_printf(file, "%21s: %10u\n", a, \ 520 sc->debug.stats.istats.s); \ 521 } while (0) 522 523 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 524 PR_IS("RXLP", rxlp); 525 PR_IS("RXHP", rxhp); 526 PR_IS("WATCHDOG", bb_watchdog); 527 } else { 528 PR_IS("RX", rxok); 529 } 530 PR_IS("RXEOL", rxeol); 531 PR_IS("RXORN", rxorn); 532 PR_IS("TX", txok); 533 PR_IS("TXURN", txurn); 534 PR_IS("MIB", mib); 535 PR_IS("RXPHY", rxphyerr); 536 PR_IS("RXKCM", rx_keycache_miss); 537 PR_IS("SWBA", swba); 538 PR_IS("BMISS", bmiss); 539 PR_IS("BNR", bnr); 540 PR_IS("CST", cst); 541 PR_IS("GTT", gtt); 542 PR_IS("TIM", tim); 543 PR_IS("CABEND", cabend); 544 PR_IS("DTIMSYNC", dtimsync); 545 PR_IS("DTIM", dtim); 546 PR_IS("TSFOOR", tsfoor); 547 PR_IS("MCI", mci); 548 PR_IS("GENTIMER", gen_timer); 549 PR_IS("TOTAL", total); 550 551 seq_puts(file, "SYNC_CAUSE stats:\n"); 552 553 PR_IS("Sync-All", sync_cause_all); 554 PR_IS("RTC-IRQ", sync_rtc_irq); 555 PR_IS("MAC-IRQ", sync_mac_irq); 556 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access); 557 PR_IS("APB-Timeout", apb_timeout); 558 PR_IS("PCI-Mode-Conflict", pci_mode_conflict); 559 PR_IS("HOST1-Fatal", host1_fatal); 560 PR_IS("HOST1-Perr", host1_perr); 561 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr); 562 PR_IS("RADM-CPL-EP", radm_cpl_ep); 563 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort); 564 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort); 565 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err); 566 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout); 567 PR_IS("Local-Bus-Timeout", local_timeout); 568 PR_IS("PM-Access", pm_access); 569 PR_IS("MAC-Awake", mac_awake); 570 PR_IS("MAC-Asleep", mac_asleep); 571 PR_IS("MAC-Sleep-Access", mac_sleep_access); 572 573 return 0; 574 } 575 576 static int read_file_xmit(struct seq_file *file, void *data) 577 { 578 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 579 struct ath_softc *sc = hw->priv; 580 581 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); 582 583 PR("MPDUs Queued: ", queued); 584 PR("MPDUs Completed: ", completed); 585 PR("MPDUs XRetried: ", xretries); 586 PR("Aggregates: ", a_aggr); 587 PR("AMPDUs Queued HW:", a_queued_hw); 588 PR("AMPDUs Completed:", a_completed); 589 PR("AMPDUs Retried: ", a_retries); 590 PR("AMPDUs XRetried: ", a_xretries); 591 PR("TXERR Filtered: ", txerr_filtered); 592 PR("FIFO Underrun: ", fifo_underrun); 593 PR("TXOP Exceeded: ", xtxop); 594 PR("TXTIMER Expiry: ", timer_exp); 595 PR("DESC CFG Error: ", desc_cfg_err); 596 PR("DATA Underrun: ", data_underrun); 597 PR("DELIM Underrun: ", delim_underrun); 598 PR("TX-Pkts-All: ", tx_pkts_all); 599 PR("TX-Bytes-All: ", tx_bytes_all); 600 PR("HW-put-tx-buf: ", puttxbuf); 601 PR("HW-tx-start: ", txstart); 602 PR("HW-tx-proc-desc: ", txprocdesc); 603 PR("TX-Failed: ", txfailed); 604 605 return 0; 606 } 607 608 static void print_queue(struct ath_softc *sc, struct ath_txq *txq, 609 struct seq_file *file) 610 { 611 ath_txq_lock(sc, txq); 612 613 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum); 614 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth); 615 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth); 616 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames); 617 618 ath_txq_unlock(sc, txq); 619 } 620 621 static int read_file_queues(struct seq_file *file, void *data) 622 { 623 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 624 struct ath_softc *sc = hw->priv; 625 struct ath_txq *txq; 626 int i; 627 static const char *qname[4] = { 628 "VO", "VI", "BE", "BK" 629 }; 630 631 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 632 txq = sc->tx.txq_map[i]; 633 seq_printf(file, "(%s): ", qname[i]); 634 print_queue(sc, txq, file); 635 } 636 637 seq_puts(file, "(CAB): "); 638 print_queue(sc, sc->beacon.cabq, file); 639 640 return 0; 641 } 642 643 static int read_file_misc(struct seq_file *file, void *data) 644 { 645 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 646 struct ath_softc *sc = hw->priv; 647 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 648 struct ath9k_vif_iter_data iter_data; 649 struct ath_chanctx *ctx; 650 unsigned int reg; 651 u32 rxfilter, i; 652 653 seq_printf(file, "BSSID: %pM\n", common->curbssid); 654 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask); 655 seq_printf(file, "OPMODE: %s\n", 656 ath_opmode_to_string(sc->sc_ah->opmode)); 657 658 ath9k_ps_wakeup(sc); 659 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 660 ath9k_ps_restore(sc); 661 662 seq_printf(file, "RXFILTER: 0x%x", rxfilter); 663 664 if (rxfilter & ATH9K_RX_FILTER_UCAST) 665 seq_puts(file, " UCAST"); 666 if (rxfilter & ATH9K_RX_FILTER_MCAST) 667 seq_puts(file, " MCAST"); 668 if (rxfilter & ATH9K_RX_FILTER_BCAST) 669 seq_puts(file, " BCAST"); 670 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 671 seq_puts(file, " CONTROL"); 672 if (rxfilter & ATH9K_RX_FILTER_BEACON) 673 seq_puts(file, " BEACON"); 674 if (rxfilter & ATH9K_RX_FILTER_PROM) 675 seq_puts(file, " PROM"); 676 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 677 seq_puts(file, " PROBEREQ"); 678 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 679 seq_puts(file, " PHYERR"); 680 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 681 seq_puts(file, " MYBEACON"); 682 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 683 seq_puts(file, " COMP_BAR"); 684 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 685 seq_puts(file, " PSPOLL"); 686 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 687 seq_puts(file, " PHYRADAR"); 688 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 689 seq_puts(file, " MCAST_BCAST_ALL"); 690 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 691 seq_puts(file, " CONTROL_WRAPPER"); 692 693 seq_puts(file, "\n"); 694 695 reg = sc->sc_ah->imask; 696 697 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg); 698 699 if (reg & ATH9K_INT_SWBA) 700 seq_puts(file, " SWBA"); 701 if (reg & ATH9K_INT_BMISS) 702 seq_puts(file, " BMISS"); 703 if (reg & ATH9K_INT_CST) 704 seq_puts(file, " CST"); 705 if (reg & ATH9K_INT_RX) 706 seq_puts(file, " RX"); 707 if (reg & ATH9K_INT_RXHP) 708 seq_puts(file, " RXHP"); 709 if (reg & ATH9K_INT_RXLP) 710 seq_puts(file, " RXLP"); 711 if (reg & ATH9K_INT_BB_WATCHDOG) 712 seq_puts(file, " BB_WATCHDOG"); 713 714 seq_puts(file, "\n"); 715 716 i = 0; 717 ath_for_each_chanctx(sc, ctx) { 718 if (list_empty(&ctx->vifs)) 719 continue; 720 ath9k_calculate_iter_data(sc, ctx, &iter_data); 721 722 seq_printf(file, 723 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i", 724 i++, (int)(ctx->assigned), iter_data.naps, 725 iter_data.nstations, 726 iter_data.nmeshes); 727 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n", 728 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs, 729 sc->nbcnvifs); 730 } 731 732 return 0; 733 } 734 735 static int read_file_reset(struct seq_file *file, void *data) 736 { 737 struct ath_softc *sc = file->private; 738 static const char * const reset_cause[__RESET_TYPE_MAX] = { 739 [RESET_TYPE_USER] = "User reset", 740 [RESET_TYPE_BB_HANG] = "Baseband Hang", 741 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog", 742 [RESET_TYPE_FATAL_INT] = "Fatal HW Error", 743 [RESET_TYPE_TX_ERROR] = "TX HW error", 744 [RESET_TYPE_TX_GTT] = "Transmit timeout", 745 [RESET_TYPE_TX_HANG] = "TX Path Hang", 746 [RESET_TYPE_PLL_HANG] = "PLL RX Hang", 747 [RESET_TYPE_MAC_HANG] = "MAC Hang", 748 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon", 749 [RESET_TYPE_MCI] = "MCI Reset", 750 [RESET_TYPE_CALIBRATION] = "Calibration error", 751 [RESET_TX_DMA_ERROR] = "Tx DMA stop error", 752 [RESET_RX_DMA_ERROR] = "Rx DMA stop error", 753 [RESET_TYPE_RX_INACTIVE] = "Rx path inactive", 754 }; 755 int i; 756 757 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) { 758 if (!reset_cause[i]) 759 continue; 760 761 seq_printf(file, "%17s: %2d\n", reset_cause[i], 762 sc->debug.stats.reset[i]); 763 } 764 765 return 0; 766 } 767 768 static int open_file_reset(struct inode *inode, struct file *f) 769 { 770 return single_open(f, read_file_reset, inode->i_private); 771 } 772 773 static ssize_t write_file_reset(struct file *file, 774 const char __user *user_buf, 775 size_t count, loff_t *ppos) 776 { 777 struct ath_softc *sc = file_inode(file)->i_private; 778 struct ath_hw *ah = sc->sc_ah; 779 struct ath_common *common = ath9k_hw_common(ah); 780 unsigned long val; 781 ssize_t ret; 782 783 ret = kstrtoul_from_user(user_buf, count, 0, &val); 784 if (ret) 785 return ret; 786 787 if (val != 1) 788 return -EINVAL; 789 790 /* avoid rearming hw_reset_work on shutdown */ 791 mutex_lock(&sc->mutex); 792 if (test_bit(ATH_OP_INVALID, &common->op_flags)) { 793 mutex_unlock(&sc->mutex); 794 return -EBUSY; 795 } 796 797 ath9k_queue_reset(sc, RESET_TYPE_USER); 798 mutex_unlock(&sc->mutex); 799 800 return count; 801 } 802 803 static const struct file_operations fops_reset = { 804 .read = seq_read, 805 .write = write_file_reset, 806 .open = open_file_reset, 807 .owner = THIS_MODULE, 808 .llseek = seq_lseek, 809 .release = single_release, 810 }; 811 812 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 813 struct ath_tx_status *ts, struct ath_txq *txq, 814 unsigned int flags) 815 { 816 int qnum = txq->axq_qnum; 817 818 TX_STAT_INC(sc, qnum, tx_pkts_all); 819 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 820 821 if (bf_isampdu(bf)) { 822 if (flags & ATH_TX_ERROR) 823 TX_STAT_INC(sc, qnum, a_xretries); 824 else 825 TX_STAT_INC(sc, qnum, a_completed); 826 } else { 827 if (ts->ts_status & ATH9K_TXERR_XRETRY) 828 TX_STAT_INC(sc, qnum, xretries); 829 else 830 TX_STAT_INC(sc, qnum, completed); 831 } 832 833 if (ts->ts_status & ATH9K_TXERR_FILT) 834 TX_STAT_INC(sc, qnum, txerr_filtered); 835 if (ts->ts_status & ATH9K_TXERR_FIFO) 836 TX_STAT_INC(sc, qnum, fifo_underrun); 837 if (ts->ts_status & ATH9K_TXERR_XTXOP) 838 TX_STAT_INC(sc, qnum, xtxop); 839 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 840 TX_STAT_INC(sc, qnum, timer_exp); 841 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 842 TX_STAT_INC(sc, qnum, desc_cfg_err); 843 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 844 TX_STAT_INC(sc, qnum, data_underrun); 845 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 846 TX_STAT_INC(sc, qnum, delim_underrun); 847 } 848 849 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 850 { 851 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs); 852 } 853 854 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 855 size_t count, loff_t *ppos) 856 { 857 struct ath_softc *sc = file->private_data; 858 char buf[32]; 859 unsigned int len; 860 861 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 862 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 863 } 864 865 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 866 size_t count, loff_t *ppos) 867 { 868 struct ath_softc *sc = file->private_data; 869 unsigned long regidx; 870 ssize_t ret; 871 872 ret = kstrtoul_from_user(user_buf, count, 0, ®idx); 873 if (ret) 874 return ret; 875 876 sc->debug.regidx = regidx; 877 return count; 878 } 879 880 static const struct file_operations fops_regidx = { 881 .read = read_file_regidx, 882 .write = write_file_regidx, 883 .open = simple_open, 884 .owner = THIS_MODULE, 885 .llseek = default_llseek, 886 }; 887 888 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 889 size_t count, loff_t *ppos) 890 { 891 struct ath_softc *sc = file->private_data; 892 struct ath_hw *ah = sc->sc_ah; 893 char buf[32]; 894 unsigned int len; 895 u32 regval; 896 897 ath9k_ps_wakeup(sc); 898 regval = REG_READ_D(ah, sc->debug.regidx); 899 ath9k_ps_restore(sc); 900 len = sprintf(buf, "0x%08x\n", regval); 901 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 902 } 903 904 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 905 size_t count, loff_t *ppos) 906 { 907 struct ath_softc *sc = file->private_data; 908 struct ath_hw *ah = sc->sc_ah; 909 unsigned long regval; 910 ssize_t ret; 911 912 ret = kstrtoul_from_user(user_buf, count, 0, ®val); 913 if (ret) 914 return ret; 915 916 ath9k_ps_wakeup(sc); 917 REG_WRITE_D(ah, sc->debug.regidx, regval); 918 ath9k_ps_restore(sc); 919 return count; 920 } 921 922 static const struct file_operations fops_regval = { 923 .read = read_file_regval, 924 .write = write_file_regval, 925 .open = simple_open, 926 .owner = THIS_MODULE, 927 .llseek = default_llseek, 928 }; 929 930 #define REGDUMP_LINE_SIZE 20 931 932 static int open_file_regdump(struct inode *inode, struct file *file) 933 { 934 struct ath_softc *sc = inode->i_private; 935 unsigned int len = 0; 936 u8 *buf; 937 int i, j = 0; 938 unsigned long num_regs, regdump_len, max_reg_offset; 939 static const struct reg_hole { 940 u32 start; 941 u32 end; 942 } reg_hole_list[] = { 943 {0x0200, 0x07fc}, 944 {0x0c00, 0x0ffc}, 945 {0x2000, 0x3ffc}, 946 {0x4100, 0x6ffc}, 947 {0x705c, 0x7ffc}, 948 {0x0000, 0x0000} 949 }; 950 951 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500; 952 num_regs = max_reg_offset / 4 + 1; 953 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 954 buf = vmalloc(regdump_len); 955 if (!buf) 956 return -ENOMEM; 957 958 ath9k_ps_wakeup(sc); 959 for (i = 0; i < num_regs; i++) { 960 if (reg_hole_list[j].start == i << 2) { 961 i = reg_hole_list[j].end >> 2; 962 j++; 963 continue; 964 } 965 966 len += scnprintf(buf + len, regdump_len - len, 967 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 968 } 969 ath9k_ps_restore(sc); 970 971 file->private_data = buf; 972 973 return 0; 974 } 975 976 static const struct file_operations fops_regdump = { 977 .open = open_file_regdump, 978 .read = ath9k_debugfs_read_buf, 979 .release = ath9k_debugfs_release_buf, 980 .owner = THIS_MODULE, 981 .llseek = default_llseek,/* read accesses f_pos */ 982 }; 983 984 static int read_file_dump_nfcal(struct seq_file *file, void *data) 985 { 986 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 987 struct ath_softc *sc = hw->priv; 988 struct ath_hw *ah = sc->sc_ah; 989 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist; 990 struct ath_common *common = ath9k_hw_common(ah); 991 struct ieee80211_conf *conf = &common->hw->conf; 992 u32 i, j; 993 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 994 u8 nread; 995 996 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise); 997 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n"); 998 for (i = 0; i < NUM_NF_READINGS; i++) { 999 if (!(chainmask & (1 << i)) || 1000 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1001 continue; 1002 1003 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1004 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread); 1005 for (j = 0; j < nread; j++) 1006 seq_printf(file, " %d", h[i].nfCalBuffer[j]); 1007 seq_puts(file, "\n"); 1008 } 1009 1010 return 0; 1011 } 1012 1013 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1014 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1015 size_t count, loff_t *ppos) 1016 { 1017 struct ath_softc *sc = file->private_data; 1018 u32 len = 0, size = 1500; 1019 char *buf; 1020 size_t retval; 1021 1022 buf = kzalloc(size, GFP_KERNEL); 1023 if (buf == NULL) 1024 return -ENOMEM; 1025 1026 if (!sc->sc_ah->common.btcoex_enabled) { 1027 len = scnprintf(buf, size, "%s\n", 1028 "BTCOEX is disabled"); 1029 goto exit; 1030 } 1031 1032 len = ath9k_dump_btcoex(sc, buf, size); 1033 exit: 1034 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1035 kfree(buf); 1036 1037 return retval; 1038 } 1039 1040 static const struct file_operations fops_btcoex = { 1041 .read = read_file_btcoex, 1042 .open = simple_open, 1043 .owner = THIS_MODULE, 1044 .llseek = default_llseek, 1045 }; 1046 #endif 1047 1048 #ifdef CONFIG_ATH9K_DYNACK 1049 static ssize_t read_file_ackto(struct file *file, char __user *user_buf, 1050 size_t count, loff_t *ppos) 1051 { 1052 struct ath_softc *sc = file->private_data; 1053 struct ath_hw *ah = sc->sc_ah; 1054 char buf[32]; 1055 unsigned int len; 1056 1057 len = sprintf(buf, "%u %c\n", ah->dynack.ackto, 1058 (ah->dynack.enabled) ? 'A' : 'S'); 1059 1060 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1061 } 1062 1063 static const struct file_operations fops_ackto = { 1064 .read = read_file_ackto, 1065 .open = simple_open, 1066 .owner = THIS_MODULE, 1067 .llseek = default_llseek, 1068 }; 1069 #endif 1070 1071 #ifdef CONFIG_ATH9K_WOW 1072 1073 static ssize_t read_file_wow(struct file *file, char __user *user_buf, 1074 size_t count, loff_t *ppos) 1075 { 1076 struct ath_softc *sc = file->private_data; 1077 unsigned int len = 0, size = 32; 1078 ssize_t retval; 1079 char *buf; 1080 1081 buf = kzalloc(size, GFP_KERNEL); 1082 if (!buf) 1083 return -ENOMEM; 1084 1085 len += scnprintf(buf + len, size - len, "WOW: %s\n", 1086 sc->force_wow ? "ENABLED" : "DISABLED"); 1087 1088 if (len > size) 1089 len = size; 1090 1091 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1092 kfree(buf); 1093 1094 return retval; 1095 } 1096 1097 static ssize_t write_file_wow(struct file *file, const char __user *user_buf, 1098 size_t count, loff_t *ppos) 1099 { 1100 struct ath_softc *sc = file->private_data; 1101 unsigned long val; 1102 ssize_t ret; 1103 1104 ret = kstrtoul_from_user(user_buf, count, 0, &val); 1105 if (ret) 1106 return ret; 1107 1108 if (val != 1) 1109 return -EINVAL; 1110 1111 if (!sc->force_wow) { 1112 sc->force_wow = true; 1113 ath9k_init_wow(sc->hw); 1114 } 1115 1116 return count; 1117 } 1118 1119 static const struct file_operations fops_wow = { 1120 .read = read_file_wow, 1121 .write = write_file_wow, 1122 .open = simple_open, 1123 .owner = THIS_MODULE, 1124 .llseek = default_llseek, 1125 }; 1126 1127 #endif 1128 1129 static ssize_t read_file_tpc(struct file *file, char __user *user_buf, 1130 size_t count, loff_t *ppos) 1131 { 1132 struct ath_softc *sc = file->private_data; 1133 struct ath_hw *ah = sc->sc_ah; 1134 unsigned int len = 0, size = 32; 1135 ssize_t retval; 1136 char *buf; 1137 1138 buf = kzalloc(size, GFP_KERNEL); 1139 if (!buf) 1140 return -ENOMEM; 1141 1142 len += scnprintf(buf + len, size - len, "%s\n", 1143 ah->tpc_enabled ? "ENABLED" : "DISABLED"); 1144 1145 if (len > size) 1146 len = size; 1147 1148 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1149 kfree(buf); 1150 1151 return retval; 1152 } 1153 1154 static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, 1155 size_t count, loff_t *ppos) 1156 { 1157 struct ath_softc *sc = file->private_data; 1158 struct ath_hw *ah = sc->sc_ah; 1159 unsigned long val; 1160 ssize_t ret; 1161 bool tpc_enabled; 1162 1163 ret = kstrtoul_from_user(user_buf, count, 0, &val); 1164 if (ret) 1165 return ret; 1166 1167 if (val > 1) 1168 return -EINVAL; 1169 1170 tpc_enabled = !!val; 1171 1172 if (tpc_enabled != ah->tpc_enabled) { 1173 ah->tpc_enabled = tpc_enabled; 1174 1175 mutex_lock(&sc->mutex); 1176 ath9k_set_txpower(sc, NULL); 1177 mutex_unlock(&sc->mutex); 1178 } 1179 1180 return count; 1181 } 1182 1183 static const struct file_operations fops_tpc = { 1184 .read = read_file_tpc, 1185 .write = write_file_tpc, 1186 .open = simple_open, 1187 .owner = THIS_MODULE, 1188 .llseek = default_llseek, 1189 }; 1190 1191 static ssize_t read_file_nf_override(struct file *file, 1192 char __user *user_buf, 1193 size_t count, loff_t *ppos) 1194 { 1195 struct ath_softc *sc = file->private_data; 1196 struct ath_hw *ah = sc->sc_ah; 1197 char buf[32]; 1198 unsigned int len; 1199 1200 if (ah->nf_override == 0) 1201 len = sprintf(buf, "off\n"); 1202 else 1203 len = sprintf(buf, "%d\n", ah->nf_override); 1204 1205 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1206 } 1207 1208 static ssize_t write_file_nf_override(struct file *file, 1209 const char __user *user_buf, 1210 size_t count, loff_t *ppos) 1211 { 1212 struct ath_softc *sc = file->private_data; 1213 struct ath_hw *ah = sc->sc_ah; 1214 long val; 1215 char buf[32]; 1216 ssize_t len; 1217 1218 len = min(count, sizeof(buf) - 1); 1219 if (copy_from_user(buf, user_buf, len)) 1220 return -EFAULT; 1221 1222 buf[len] = '\0'; 1223 if (strncmp("off", buf, 3) == 0) 1224 val = 0; 1225 else if (kstrtol(buf, 0, &val)) 1226 return -EINVAL; 1227 1228 if (val > 0) 1229 return -EINVAL; 1230 1231 if (val < -120) 1232 return -EINVAL; 1233 1234 ah->nf_override = val; 1235 1236 if (ah->curchan) { 1237 ath9k_ps_wakeup(sc); 1238 ath9k_hw_loadnf(ah, ah->curchan); 1239 ath9k_ps_restore(sc); 1240 } 1241 1242 return count; 1243 } 1244 1245 static const struct file_operations fops_nf_override = { 1246 .read = read_file_nf_override, 1247 .write = write_file_nf_override, 1248 .open = simple_open, 1249 .owner = THIS_MODULE, 1250 .llseek = default_llseek, 1251 }; 1252 1253 /* Ethtool support for get-stats */ 1254 1255 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1256 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1257 "tx_pkts_nic", 1258 "tx_bytes_nic", 1259 "rx_pkts_nic", 1260 "rx_bytes_nic", 1261 AMKSTR(d_tx_pkts), 1262 AMKSTR(d_tx_bytes), 1263 AMKSTR(d_tx_mpdus_queued), 1264 AMKSTR(d_tx_mpdus_completed), 1265 AMKSTR(d_tx_mpdu_xretries), 1266 AMKSTR(d_tx_aggregates), 1267 AMKSTR(d_tx_ampdus_queued_hw), 1268 AMKSTR(d_tx_ampdus_completed), 1269 AMKSTR(d_tx_ampdu_retries), 1270 AMKSTR(d_tx_ampdu_xretries), 1271 AMKSTR(d_tx_fifo_underrun), 1272 AMKSTR(d_tx_op_exceeded), 1273 AMKSTR(d_tx_timer_expiry), 1274 AMKSTR(d_tx_desc_cfg_err), 1275 AMKSTR(d_tx_data_underrun), 1276 AMKSTR(d_tx_delim_underrun), 1277 "d_rx_crc_err", 1278 "d_rx_decrypt_crc_err", 1279 "d_rx_phy_err", 1280 "d_rx_mic_err", 1281 "d_rx_pre_delim_crc_err", 1282 "d_rx_post_delim_crc_err", 1283 "d_rx_decrypt_busy_err", 1284 1285 "d_rx_phyerr_radar", 1286 "d_rx_phyerr_ofdm_timing", 1287 "d_rx_phyerr_cck_timing", 1288 1289 }; 1290 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1291 1292 void ath9k_get_et_strings(struct ieee80211_hw *hw, 1293 struct ieee80211_vif *vif, 1294 u32 sset, u8 *data) 1295 { 1296 if (sset == ETH_SS_STATS) 1297 memcpy(data, ath9k_gstrings_stats, 1298 sizeof(ath9k_gstrings_stats)); 1299 } 1300 1301 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1302 struct ieee80211_vif *vif, int sset) 1303 { 1304 if (sset == ETH_SS_STATS) 1305 return ATH9K_SSTATS_LEN; 1306 return 0; 1307 } 1308 1309 #define AWDATA(elem) \ 1310 do { \ 1311 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1312 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1313 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1314 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1315 } while (0) 1316 1317 #define AWDATA_RX(elem) \ 1318 do { \ 1319 data[i++] = sc->debug.stats.rxstats.elem; \ 1320 } while (0) 1321 1322 void ath9k_get_et_stats(struct ieee80211_hw *hw, 1323 struct ieee80211_vif *vif, 1324 struct ethtool_stats *stats, u64 *data) 1325 { 1326 struct ath_softc *sc = hw->priv; 1327 int i = 0; 1328 1329 data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1330 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1331 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1332 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1333 data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1334 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1335 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1336 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1337 AWDATA_RX(rx_pkts_all); 1338 AWDATA_RX(rx_bytes_all); 1339 1340 AWDATA(tx_pkts_all); 1341 AWDATA(tx_bytes_all); 1342 AWDATA(queued); 1343 AWDATA(completed); 1344 AWDATA(xretries); 1345 AWDATA(a_aggr); 1346 AWDATA(a_queued_hw); 1347 AWDATA(a_completed); 1348 AWDATA(a_retries); 1349 AWDATA(a_xretries); 1350 AWDATA(fifo_underrun); 1351 AWDATA(xtxop); 1352 AWDATA(timer_exp); 1353 AWDATA(desc_cfg_err); 1354 AWDATA(data_underrun); 1355 AWDATA(delim_underrun); 1356 1357 AWDATA_RX(crc_err); 1358 AWDATA_RX(decrypt_crc_err); 1359 AWDATA_RX(phy_err); 1360 AWDATA_RX(mic_err); 1361 AWDATA_RX(pre_delim_crc_err); 1362 AWDATA_RX(post_delim_crc_err); 1363 AWDATA_RX(decrypt_busy_err); 1364 1365 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 1366 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 1367 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 1368 1369 WARN_ON(i != ATH9K_SSTATS_LEN); 1370 } 1371 1372 void ath9k_deinit_debug(struct ath_softc *sc) 1373 { 1374 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv); 1375 } 1376 1377 int ath9k_init_debug(struct ath_hw *ah) 1378 { 1379 struct ath_common *common = ath9k_hw_common(ah); 1380 struct ath_softc *sc = common->priv; 1381 1382 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1383 sc->hw->wiphy->debugfsdir); 1384 1385 #ifdef CONFIG_ATH_DEBUG 1386 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy, 1387 sc, &fops_debug); 1388 #endif 1389 1390 ath9k_dfs_init_debug(sc); 1391 ath9k_tx99_init_debug(sc); 1392 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy); 1393 1394 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy, 1395 read_file_dma); 1396 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy, 1397 read_file_interrupt); 1398 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy, 1399 read_file_xmit); 1400 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy, 1401 read_file_queues); 1402 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy, 1403 read_file_misc); 1404 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy, 1405 sc, &fops_reset); 1406 1407 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1408 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1409 1410 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy, 1411 &ah->rxchainmask); 1412 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy, 1413 &ah->txchainmask); 1414 debugfs_create_file("ani", 0600, 1415 sc->debug.debugfs_phy, sc, &fops_ani); 1416 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy, 1417 &sc->sc_ah->config.enable_paprd); 1418 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy, 1419 sc, &fops_regidx); 1420 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy, 1421 sc, &fops_regval); 1422 debugfs_create_bool("ignore_extcca", 0600, 1423 sc->debug.debugfs_phy, 1424 &ah->config.cwm_ignore_extcca); 1425 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc, 1426 &fops_regdump); 1427 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal", 1428 sc->debug.debugfs_phy, 1429 read_file_dump_nfcal); 1430 1431 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1432 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1433 1434 debugfs_create_u32("gpio_mask", 0600, 1435 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1436 debugfs_create_u32("gpio_val", 0600, 1437 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1438 debugfs_create_file("antenna_diversity", 0400, 1439 sc->debug.debugfs_phy, sc, &fops_antenna_diversity); 1440 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1441 debugfs_create_file("bt_ant_diversity", 0600, 1442 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity); 1443 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc, 1444 &fops_btcoex); 1445 #endif 1446 1447 #ifdef CONFIG_ATH9K_WOW 1448 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow); 1449 #endif 1450 1451 #ifdef CONFIG_ATH9K_DYNACK 1452 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy, 1453 sc, &fops_ackto); 1454 #endif 1455 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc); 1456 1457 debugfs_create_file("nf_override", 0600, 1458 sc->debug.debugfs_phy, sc, &fops_nf_override); 1459 1460 return 0; 1461 } 1462