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 <asm/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 char buf[32]; 105 ssize_t len; 106 107 len = min(count, sizeof(buf) - 1); 108 if (copy_from_user(buf, user_buf, len)) 109 return -EFAULT; 110 111 buf[len] = '\0'; 112 if (kstrtoul(buf, 0, &mask)) 113 return -EINVAL; 114 115 common->debug_mask = mask; 116 return count; 117 } 118 119 static const struct file_operations fops_debug = { 120 .read = read_file_debug, 121 .write = write_file_debug, 122 .open = simple_open, 123 .owner = THIS_MODULE, 124 .llseek = default_llseek, 125 }; 126 127 #endif 128 129 #define DMA_BUF_LEN 1024 130 131 132 static ssize_t read_file_ani(struct file *file, char __user *user_buf, 133 size_t count, loff_t *ppos) 134 { 135 struct ath_softc *sc = file->private_data; 136 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 137 struct ath_hw *ah = sc->sc_ah; 138 unsigned int len = 0; 139 const unsigned int size = 1024; 140 ssize_t retval = 0; 141 char *buf; 142 int i; 143 struct { 144 const char *name; 145 unsigned int val; 146 } ani_info[] = { 147 { "ANI RESET", ah->stats.ast_ani_reset }, 148 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel }, 149 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel }, 150 { "SPUR UP", ah->stats.ast_ani_spurup }, 151 { "SPUR DOWN", ah->stats.ast_ani_spurdown }, 152 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon }, 153 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff }, 154 { "MRC-CCK ON", ah->stats.ast_ani_ccklow }, 155 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh }, 156 { "FIR-STEP UP", ah->stats.ast_ani_stepup }, 157 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown }, 158 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero }, 159 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs }, 160 { "CCK ERRORS", ah->stats.ast_ani_cckerrs }, 161 }; 162 163 buf = kzalloc(size, GFP_KERNEL); 164 if (buf == NULL) 165 return -ENOMEM; 166 167 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI", 168 common->disable_ani ? "DISABLED" : "ENABLED"); 169 170 if (common->disable_ani) 171 goto exit; 172 173 for (i = 0; i < ARRAY_SIZE(ani_info); i++) 174 len += scnprintf(buf + len, size - len, "%15s: %u\n", 175 ani_info[i].name, ani_info[i].val); 176 177 exit: 178 if (len > size) 179 len = size; 180 181 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 182 kfree(buf); 183 184 return retval; 185 } 186 187 static ssize_t write_file_ani(struct file *file, 188 const char __user *user_buf, 189 size_t count, loff_t *ppos) 190 { 191 struct ath_softc *sc = file->private_data; 192 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 193 unsigned long ani; 194 char buf[32]; 195 ssize_t len; 196 197 len = min(count, sizeof(buf) - 1); 198 if (copy_from_user(buf, user_buf, len)) 199 return -EFAULT; 200 201 buf[len] = '\0'; 202 if (kstrtoul(buf, 0, &ani)) 203 return -EINVAL; 204 205 if (ani > 1) 206 return -EINVAL; 207 208 common->disable_ani = !ani; 209 210 if (common->disable_ani) { 211 clear_bit(ATH_OP_ANI_RUN, &common->op_flags); 212 ath_stop_ani(sc); 213 } else { 214 ath_check_ani(sc); 215 } 216 217 return count; 218 } 219 220 static const struct file_operations fops_ani = { 221 .read = read_file_ani, 222 .write = write_file_ani, 223 .open = simple_open, 224 .owner = THIS_MODULE, 225 .llseek = default_llseek, 226 }; 227 228 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 229 230 static ssize_t read_file_bt_ant_diversity(struct file *file, 231 char __user *user_buf, 232 size_t count, loff_t *ppos) 233 { 234 struct ath_softc *sc = file->private_data; 235 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 236 char buf[32]; 237 unsigned int len; 238 239 len = sprintf(buf, "%d\n", common->bt_ant_diversity); 240 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 241 } 242 243 static ssize_t write_file_bt_ant_diversity(struct file *file, 244 const char __user *user_buf, 245 size_t count, loff_t *ppos) 246 { 247 struct ath_softc *sc = file->private_data; 248 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 249 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps; 250 unsigned long bt_ant_diversity; 251 char buf[32]; 252 ssize_t len; 253 254 len = min(count, sizeof(buf) - 1); 255 if (copy_from_user(buf, user_buf, len)) 256 return -EFAULT; 257 258 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) 259 goto exit; 260 261 buf[len] = '\0'; 262 if (kstrtoul(buf, 0, &bt_ant_diversity)) 263 return -EINVAL; 264 265 common->bt_ant_diversity = !!bt_ant_diversity; 266 ath9k_ps_wakeup(sc); 267 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity); 268 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n", 269 common->bt_ant_diversity); 270 ath9k_ps_restore(sc); 271 exit: 272 return count; 273 } 274 275 static const struct file_operations fops_bt_ant_diversity = { 276 .read = read_file_bt_ant_diversity, 277 .write = write_file_bt_ant_diversity, 278 .open = simple_open, 279 .owner = THIS_MODULE, 280 .llseek = default_llseek, 281 }; 282 283 #endif 284 285 void ath9k_debug_stat_ant(struct ath_softc *sc, 286 struct ath_hw_antcomb_conf *div_ant_conf, 287 int main_rssi_avg, int alt_rssi_avg) 288 { 289 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; 290 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; 291 292 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++; 293 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++; 294 295 as_main->rssi_avg = main_rssi_avg; 296 as_alt->rssi_avg = alt_rssi_avg; 297 } 298 299 static ssize_t read_file_antenna_diversity(struct file *file, 300 char __user *user_buf, 301 size_t count, loff_t *ppos) 302 { 303 struct ath_softc *sc = file->private_data; 304 struct ath_hw *ah = sc->sc_ah; 305 struct ath9k_hw_capabilities *pCap = &ah->caps; 306 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; 307 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; 308 struct ath_hw_antcomb_conf div_ant_conf; 309 unsigned int len = 0; 310 const unsigned int size = 1024; 311 ssize_t retval = 0; 312 char *buf; 313 static const char *lna_conf_str[4] = { 314 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2" 315 }; 316 317 buf = kzalloc(size, GFP_KERNEL); 318 if (buf == NULL) 319 return -ENOMEM; 320 321 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) { 322 len += scnprintf(buf + len, size - len, "%s\n", 323 "Antenna Diversity Combining is disabled"); 324 goto exit; 325 } 326 327 ath9k_ps_wakeup(sc); 328 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); 329 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n", 330 lna_conf_str[div_ant_conf.main_lna_conf]); 331 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n", 332 lna_conf_str[div_ant_conf.alt_lna_conf]); 333 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n", 334 as_main->rssi_avg); 335 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n", 336 as_alt->rssi_avg); 337 ath9k_ps_restore(sc); 338 339 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n"); 340 len += scnprintf(buf + len, size - len, "-------------------\n"); 341 342 len += scnprintf(buf + len, size - len, "%30s%15s\n", 343 "MAIN", "ALT"); 344 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 345 "TOTAL COUNT", 346 as_main->recv_cnt, 347 as_alt->recv_cnt); 348 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 349 "LNA1", 350 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1], 351 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]); 352 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 353 "LNA2", 354 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2], 355 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]); 356 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 357 "LNA1 + LNA2", 358 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], 359 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); 360 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 361 "LNA1 - LNA2", 362 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], 363 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); 364 365 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n"); 366 len += scnprintf(buf + len, size - len, "--------------------\n"); 367 368 len += scnprintf(buf + len, size - len, "%30s%15s\n", 369 "MAIN", "ALT"); 370 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 371 "LNA1", 372 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1], 373 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]); 374 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 375 "LNA2", 376 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2], 377 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]); 378 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 379 "LNA1 + LNA2", 380 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], 381 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); 382 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", 383 "LNA1 - LNA2", 384 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], 385 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); 386 387 exit: 388 if (len > size) 389 len = size; 390 391 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 392 kfree(buf); 393 394 return retval; 395 } 396 397 static const struct file_operations fops_antenna_diversity = { 398 .read = read_file_antenna_diversity, 399 .open = simple_open, 400 .owner = THIS_MODULE, 401 .llseek = default_llseek, 402 }; 403 404 static int read_file_dma(struct seq_file *file, void *data) 405 { 406 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 407 struct ath_softc *sc = hw->priv; 408 struct ath_hw *ah = sc->sc_ah; 409 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 410 int i, qcuOffset = 0, dcuOffset = 0; 411 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 412 413 ath9k_ps_wakeup(sc); 414 415 REG_WRITE_D(ah, AR_MACMISC, 416 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 417 (AR_MACMISC_MISC_OBS_BUS_1 << 418 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 419 420 seq_puts(file, "Raw DMA Debug values:\n"); 421 422 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 423 if (i % 4 == 0) 424 seq_puts(file, "\n"); 425 426 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 427 seq_printf(file, "%d: %08x ", i, val[i]); 428 } 429 430 seq_puts(file, "\n\n"); 431 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 432 433 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 434 if (i == 8) { 435 qcuOffset = 0; 436 qcuBase++; 437 } 438 439 if (i == 6) { 440 dcuOffset = 0; 441 dcuBase++; 442 } 443 444 seq_printf(file, "%2d %2x %1x %2x %2x\n", 445 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 446 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 447 (val[2] & (0x7 << (i * 3))) >> (i * 3), 448 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 449 } 450 451 seq_puts(file, "\n"); 452 453 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n", 454 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 455 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n", 456 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 457 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n", 458 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 459 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 460 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 461 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 462 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 463 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 464 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 465 466 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1)); 467 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 468 469 ath9k_ps_restore(sc); 470 471 return 0; 472 } 473 474 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 475 { 476 if (status) 477 sc->debug.stats.istats.total++; 478 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 479 if (status & ATH9K_INT_RXLP) 480 sc->debug.stats.istats.rxlp++; 481 if (status & ATH9K_INT_RXHP) 482 sc->debug.stats.istats.rxhp++; 483 if (status & ATH9K_INT_BB_WATCHDOG) 484 sc->debug.stats.istats.bb_watchdog++; 485 } else { 486 if (status & ATH9K_INT_RX) 487 sc->debug.stats.istats.rxok++; 488 } 489 if (status & ATH9K_INT_RXEOL) 490 sc->debug.stats.istats.rxeol++; 491 if (status & ATH9K_INT_RXORN) 492 sc->debug.stats.istats.rxorn++; 493 if (status & ATH9K_INT_TX) 494 sc->debug.stats.istats.txok++; 495 if (status & ATH9K_INT_TXURN) 496 sc->debug.stats.istats.txurn++; 497 if (status & ATH9K_INT_RXPHY) 498 sc->debug.stats.istats.rxphyerr++; 499 if (status & ATH9K_INT_RXKCM) 500 sc->debug.stats.istats.rx_keycache_miss++; 501 if (status & ATH9K_INT_SWBA) 502 sc->debug.stats.istats.swba++; 503 if (status & ATH9K_INT_BMISS) 504 sc->debug.stats.istats.bmiss++; 505 if (status & ATH9K_INT_BNR) 506 sc->debug.stats.istats.bnr++; 507 if (status & ATH9K_INT_CST) 508 sc->debug.stats.istats.cst++; 509 if (status & ATH9K_INT_GTT) 510 sc->debug.stats.istats.gtt++; 511 if (status & ATH9K_INT_TIM) 512 sc->debug.stats.istats.tim++; 513 if (status & ATH9K_INT_CABEND) 514 sc->debug.stats.istats.cabend++; 515 if (status & ATH9K_INT_DTIMSYNC) 516 sc->debug.stats.istats.dtimsync++; 517 if (status & ATH9K_INT_DTIM) 518 sc->debug.stats.istats.dtim++; 519 if (status & ATH9K_INT_TSFOOR) 520 sc->debug.stats.istats.tsfoor++; 521 if (status & ATH9K_INT_MCI) 522 sc->debug.stats.istats.mci++; 523 if (status & ATH9K_INT_GENTIMER) 524 sc->debug.stats.istats.gen_timer++; 525 } 526 527 static int read_file_interrupt(struct seq_file *file, void *data) 528 { 529 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 530 struct ath_softc *sc = hw->priv; 531 532 #define PR_IS(a, s) \ 533 do { \ 534 seq_printf(file, "%21s: %10u\n", a, \ 535 sc->debug.stats.istats.s); \ 536 } while (0) 537 538 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 539 PR_IS("RXLP", rxlp); 540 PR_IS("RXHP", rxhp); 541 PR_IS("WATCHDOG", bb_watchdog); 542 } else { 543 PR_IS("RX", rxok); 544 } 545 PR_IS("RXEOL", rxeol); 546 PR_IS("RXORN", rxorn); 547 PR_IS("TX", txok); 548 PR_IS("TXURN", txurn); 549 PR_IS("MIB", mib); 550 PR_IS("RXPHY", rxphyerr); 551 PR_IS("RXKCM", rx_keycache_miss); 552 PR_IS("SWBA", swba); 553 PR_IS("BMISS", bmiss); 554 PR_IS("BNR", bnr); 555 PR_IS("CST", cst); 556 PR_IS("GTT", gtt); 557 PR_IS("TIM", tim); 558 PR_IS("CABEND", cabend); 559 PR_IS("DTIMSYNC", dtimsync); 560 PR_IS("DTIM", dtim); 561 PR_IS("TSFOOR", tsfoor); 562 PR_IS("MCI", mci); 563 PR_IS("GENTIMER", gen_timer); 564 PR_IS("TOTAL", total); 565 566 seq_puts(file, "SYNC_CAUSE stats:\n"); 567 568 PR_IS("Sync-All", sync_cause_all); 569 PR_IS("RTC-IRQ", sync_rtc_irq); 570 PR_IS("MAC-IRQ", sync_mac_irq); 571 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access); 572 PR_IS("APB-Timeout", apb_timeout); 573 PR_IS("PCI-Mode-Conflict", pci_mode_conflict); 574 PR_IS("HOST1-Fatal", host1_fatal); 575 PR_IS("HOST1-Perr", host1_perr); 576 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr); 577 PR_IS("RADM-CPL-EP", radm_cpl_ep); 578 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort); 579 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort); 580 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err); 581 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout); 582 PR_IS("Local-Bus-Timeout", local_timeout); 583 PR_IS("PM-Access", pm_access); 584 PR_IS("MAC-Awake", mac_awake); 585 PR_IS("MAC-Asleep", mac_asleep); 586 PR_IS("MAC-Sleep-Access", mac_sleep_access); 587 588 return 0; 589 } 590 591 static int read_file_xmit(struct seq_file *file, void *data) 592 { 593 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 594 struct ath_softc *sc = hw->priv; 595 596 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); 597 598 PR("MPDUs Queued: ", queued); 599 PR("MPDUs Completed: ", completed); 600 PR("MPDUs XRetried: ", xretries); 601 PR("Aggregates: ", a_aggr); 602 PR("AMPDUs Queued HW:", a_queued_hw); 603 PR("AMPDUs Completed:", a_completed); 604 PR("AMPDUs Retried: ", a_retries); 605 PR("AMPDUs XRetried: ", a_xretries); 606 PR("TXERR Filtered: ", txerr_filtered); 607 PR("FIFO Underrun: ", fifo_underrun); 608 PR("TXOP Exceeded: ", xtxop); 609 PR("TXTIMER Expiry: ", timer_exp); 610 PR("DESC CFG Error: ", desc_cfg_err); 611 PR("DATA Underrun: ", data_underrun); 612 PR("DELIM Underrun: ", delim_underrun); 613 PR("TX-Pkts-All: ", tx_pkts_all); 614 PR("TX-Bytes-All: ", tx_bytes_all); 615 PR("HW-put-tx-buf: ", puttxbuf); 616 PR("HW-tx-start: ", txstart); 617 PR("HW-tx-proc-desc: ", txprocdesc); 618 PR("TX-Failed: ", txfailed); 619 620 return 0; 621 } 622 623 static void print_queue(struct ath_softc *sc, struct ath_txq *txq, 624 struct seq_file *file) 625 { 626 ath_txq_lock(sc, txq); 627 628 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum); 629 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth); 630 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth); 631 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames); 632 633 ath_txq_unlock(sc, txq); 634 } 635 636 static int read_file_queues(struct seq_file *file, void *data) 637 { 638 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 639 struct ath_softc *sc = hw->priv; 640 struct ath_txq *txq; 641 int i; 642 static const char *qname[4] = { 643 "VO", "VI", "BE", "BK" 644 }; 645 646 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 647 txq = sc->tx.txq_map[i]; 648 seq_printf(file, "(%s): ", qname[i]); 649 print_queue(sc, txq, file); 650 } 651 652 seq_puts(file, "(CAB): "); 653 print_queue(sc, sc->beacon.cabq, file); 654 655 return 0; 656 } 657 658 static int read_file_misc(struct seq_file *file, void *data) 659 { 660 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 661 struct ath_softc *sc = hw->priv; 662 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 663 struct ath9k_vif_iter_data iter_data; 664 struct ath_chanctx *ctx; 665 unsigned int reg; 666 u32 rxfilter, i; 667 668 seq_printf(file, "BSSID: %pM\n", common->curbssid); 669 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask); 670 seq_printf(file, "OPMODE: %s\n", 671 ath_opmode_to_string(sc->sc_ah->opmode)); 672 673 ath9k_ps_wakeup(sc); 674 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 675 ath9k_ps_restore(sc); 676 677 seq_printf(file, "RXFILTER: 0x%x", rxfilter); 678 679 if (rxfilter & ATH9K_RX_FILTER_UCAST) 680 seq_puts(file, " UCAST"); 681 if (rxfilter & ATH9K_RX_FILTER_MCAST) 682 seq_puts(file, " MCAST"); 683 if (rxfilter & ATH9K_RX_FILTER_BCAST) 684 seq_puts(file, " BCAST"); 685 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 686 seq_puts(file, " CONTROL"); 687 if (rxfilter & ATH9K_RX_FILTER_BEACON) 688 seq_puts(file, " BEACON"); 689 if (rxfilter & ATH9K_RX_FILTER_PROM) 690 seq_puts(file, " PROM"); 691 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 692 seq_puts(file, " PROBEREQ"); 693 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 694 seq_puts(file, " PHYERR"); 695 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 696 seq_puts(file, " MYBEACON"); 697 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 698 seq_puts(file, " COMP_BAR"); 699 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 700 seq_puts(file, " PSPOLL"); 701 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 702 seq_puts(file, " PHYRADAR"); 703 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 704 seq_puts(file, " MCAST_BCAST_ALL"); 705 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 706 seq_puts(file, " CONTROL_WRAPPER"); 707 708 seq_puts(file, "\n"); 709 710 reg = sc->sc_ah->imask; 711 712 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg); 713 714 if (reg & ATH9K_INT_SWBA) 715 seq_puts(file, " SWBA"); 716 if (reg & ATH9K_INT_BMISS) 717 seq_puts(file, " BMISS"); 718 if (reg & ATH9K_INT_CST) 719 seq_puts(file, " CST"); 720 if (reg & ATH9K_INT_RX) 721 seq_puts(file, " RX"); 722 if (reg & ATH9K_INT_RXHP) 723 seq_puts(file, " RXHP"); 724 if (reg & ATH9K_INT_RXLP) 725 seq_puts(file, " RXLP"); 726 if (reg & ATH9K_INT_BB_WATCHDOG) 727 seq_puts(file, " BB_WATCHDOG"); 728 729 seq_puts(file, "\n"); 730 731 i = 0; 732 ath_for_each_chanctx(sc, ctx) { 733 if (list_empty(&ctx->vifs)) 734 continue; 735 ath9k_calculate_iter_data(sc, ctx, &iter_data); 736 737 seq_printf(file, 738 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i", 739 i++, (int)(ctx->assigned), iter_data.naps, 740 iter_data.nstations, 741 iter_data.nmeshes); 742 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n", 743 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs, 744 sc->nbcnvifs); 745 } 746 747 return 0; 748 } 749 750 static int read_file_reset(struct seq_file *file, void *data) 751 { 752 struct ath_softc *sc = file->private; 753 static const char * const reset_cause[__RESET_TYPE_MAX] = { 754 [RESET_TYPE_USER] = "User reset", 755 [RESET_TYPE_BB_HANG] = "Baseband Hang", 756 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog", 757 [RESET_TYPE_FATAL_INT] = "Fatal HW Error", 758 [RESET_TYPE_TX_ERROR] = "TX HW error", 759 [RESET_TYPE_TX_GTT] = "Transmit timeout", 760 [RESET_TYPE_TX_HANG] = "TX Path Hang", 761 [RESET_TYPE_PLL_HANG] = "PLL RX Hang", 762 [RESET_TYPE_MAC_HANG] = "MAC Hang", 763 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon", 764 [RESET_TYPE_MCI] = "MCI Reset", 765 [RESET_TYPE_CALIBRATION] = "Calibration error", 766 [RESET_TX_DMA_ERROR] = "Tx DMA stop error", 767 [RESET_RX_DMA_ERROR] = "Rx DMA stop error", 768 }; 769 int i; 770 771 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) { 772 if (!reset_cause[i]) 773 continue; 774 775 seq_printf(file, "%17s: %2d\n", reset_cause[i], 776 sc->debug.stats.reset[i]); 777 } 778 779 return 0; 780 } 781 782 static int open_file_reset(struct inode *inode, struct file *f) 783 { 784 return single_open(f, read_file_reset, inode->i_private); 785 } 786 787 static ssize_t write_file_reset(struct file *file, 788 const char __user *user_buf, 789 size_t count, loff_t *ppos) 790 { 791 struct ath_softc *sc = file_inode(file)->i_private; 792 struct ath_hw *ah = sc->sc_ah; 793 struct ath_common *common = ath9k_hw_common(ah); 794 unsigned long val; 795 char buf[32]; 796 ssize_t len; 797 798 len = min(count, sizeof(buf) - 1); 799 if (copy_from_user(buf, user_buf, len)) 800 return -EFAULT; 801 802 buf[len] = '\0'; 803 if (kstrtoul(buf, 0, &val)) 804 return -EINVAL; 805 806 if (val != 1) 807 return -EINVAL; 808 809 /* avoid rearming hw_reset_work on shutdown */ 810 mutex_lock(&sc->mutex); 811 if (test_bit(ATH_OP_INVALID, &common->op_flags)) { 812 mutex_unlock(&sc->mutex); 813 return -EBUSY; 814 } 815 816 ath9k_queue_reset(sc, RESET_TYPE_USER); 817 mutex_unlock(&sc->mutex); 818 819 return count; 820 } 821 822 static const struct file_operations fops_reset = { 823 .read = seq_read, 824 .write = write_file_reset, 825 .open = open_file_reset, 826 .owner = THIS_MODULE, 827 .llseek = seq_lseek, 828 .release = single_release, 829 }; 830 831 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 832 struct ath_tx_status *ts, struct ath_txq *txq, 833 unsigned int flags) 834 { 835 int qnum = txq->axq_qnum; 836 837 TX_STAT_INC(sc, qnum, tx_pkts_all); 838 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 839 840 if (bf_isampdu(bf)) { 841 if (flags & ATH_TX_ERROR) 842 TX_STAT_INC(sc, qnum, a_xretries); 843 else 844 TX_STAT_INC(sc, qnum, a_completed); 845 } else { 846 if (ts->ts_status & ATH9K_TXERR_XRETRY) 847 TX_STAT_INC(sc, qnum, xretries); 848 else 849 TX_STAT_INC(sc, qnum, completed); 850 } 851 852 if (ts->ts_status & ATH9K_TXERR_FILT) 853 TX_STAT_INC(sc, qnum, txerr_filtered); 854 if (ts->ts_status & ATH9K_TXERR_FIFO) 855 TX_STAT_INC(sc, qnum, fifo_underrun); 856 if (ts->ts_status & ATH9K_TXERR_XTXOP) 857 TX_STAT_INC(sc, qnum, xtxop); 858 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 859 TX_STAT_INC(sc, qnum, timer_exp); 860 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 861 TX_STAT_INC(sc, qnum, desc_cfg_err); 862 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 863 TX_STAT_INC(sc, qnum, data_underrun); 864 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 865 TX_STAT_INC(sc, qnum, delim_underrun); 866 } 867 868 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 869 { 870 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs); 871 } 872 873 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 874 size_t count, loff_t *ppos) 875 { 876 struct ath_softc *sc = file->private_data; 877 char buf[32]; 878 unsigned int len; 879 880 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 881 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 882 } 883 884 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 885 size_t count, loff_t *ppos) 886 { 887 struct ath_softc *sc = file->private_data; 888 unsigned long regidx; 889 char buf[32]; 890 ssize_t len; 891 892 len = min(count, sizeof(buf) - 1); 893 if (copy_from_user(buf, user_buf, len)) 894 return -EFAULT; 895 896 buf[len] = '\0'; 897 if (kstrtoul(buf, 0, ®idx)) 898 return -EINVAL; 899 900 sc->debug.regidx = regidx; 901 return count; 902 } 903 904 static const struct file_operations fops_regidx = { 905 .read = read_file_regidx, 906 .write = write_file_regidx, 907 .open = simple_open, 908 .owner = THIS_MODULE, 909 .llseek = default_llseek, 910 }; 911 912 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 913 size_t count, loff_t *ppos) 914 { 915 struct ath_softc *sc = file->private_data; 916 struct ath_hw *ah = sc->sc_ah; 917 char buf[32]; 918 unsigned int len; 919 u32 regval; 920 921 ath9k_ps_wakeup(sc); 922 regval = REG_READ_D(ah, sc->debug.regidx); 923 ath9k_ps_restore(sc); 924 len = sprintf(buf, "0x%08x\n", regval); 925 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 926 } 927 928 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 929 size_t count, loff_t *ppos) 930 { 931 struct ath_softc *sc = file->private_data; 932 struct ath_hw *ah = sc->sc_ah; 933 unsigned long regval; 934 char buf[32]; 935 ssize_t len; 936 937 len = min(count, sizeof(buf) - 1); 938 if (copy_from_user(buf, user_buf, len)) 939 return -EFAULT; 940 941 buf[len] = '\0'; 942 if (kstrtoul(buf, 0, ®val)) 943 return -EINVAL; 944 945 ath9k_ps_wakeup(sc); 946 REG_WRITE_D(ah, sc->debug.regidx, regval); 947 ath9k_ps_restore(sc); 948 return count; 949 } 950 951 static const struct file_operations fops_regval = { 952 .read = read_file_regval, 953 .write = write_file_regval, 954 .open = simple_open, 955 .owner = THIS_MODULE, 956 .llseek = default_llseek, 957 }; 958 959 #define REGDUMP_LINE_SIZE 20 960 961 static int open_file_regdump(struct inode *inode, struct file *file) 962 { 963 struct ath_softc *sc = inode->i_private; 964 unsigned int len = 0; 965 u8 *buf; 966 int i, j = 0; 967 unsigned long num_regs, regdump_len, max_reg_offset; 968 static const struct reg_hole { 969 u32 start; 970 u32 end; 971 } reg_hole_list[] = { 972 {0x0200, 0x07fc}, 973 {0x0c00, 0x0ffc}, 974 {0x2000, 0x3ffc}, 975 {0x4100, 0x6ffc}, 976 {0x705c, 0x7ffc}, 977 {0x0000, 0x0000} 978 }; 979 980 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500; 981 num_regs = max_reg_offset / 4 + 1; 982 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 983 buf = vmalloc(regdump_len); 984 if (!buf) 985 return -ENOMEM; 986 987 ath9k_ps_wakeup(sc); 988 for (i = 0; i < num_regs; i++) { 989 if (reg_hole_list[j].start == i << 2) { 990 i = reg_hole_list[j].end >> 2; 991 j++; 992 continue; 993 } 994 995 len += scnprintf(buf + len, regdump_len - len, 996 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 997 } 998 ath9k_ps_restore(sc); 999 1000 file->private_data = buf; 1001 1002 return 0; 1003 } 1004 1005 static const struct file_operations fops_regdump = { 1006 .open = open_file_regdump, 1007 .read = ath9k_debugfs_read_buf, 1008 .release = ath9k_debugfs_release_buf, 1009 .owner = THIS_MODULE, 1010 .llseek = default_llseek,/* read accesses f_pos */ 1011 }; 1012 1013 static int read_file_dump_nfcal(struct seq_file *file, void *data) 1014 { 1015 struct ieee80211_hw *hw = dev_get_drvdata(file->private); 1016 struct ath_softc *sc = hw->priv; 1017 struct ath_hw *ah = sc->sc_ah; 1018 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist; 1019 struct ath_common *common = ath9k_hw_common(ah); 1020 struct ieee80211_conf *conf = &common->hw->conf; 1021 u32 i, j; 1022 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1023 u8 nread; 1024 1025 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise); 1026 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n"); 1027 for (i = 0; i < NUM_NF_READINGS; i++) { 1028 if (!(chainmask & (1 << i)) || 1029 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1030 continue; 1031 1032 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1033 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread); 1034 for (j = 0; j < nread; j++) 1035 seq_printf(file, " %d", h[i].nfCalBuffer[j]); 1036 seq_puts(file, "\n"); 1037 } 1038 1039 return 0; 1040 } 1041 1042 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1043 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1044 size_t count, loff_t *ppos) 1045 { 1046 struct ath_softc *sc = file->private_data; 1047 u32 len = 0, size = 1500; 1048 char *buf; 1049 size_t retval; 1050 1051 buf = kzalloc(size, GFP_KERNEL); 1052 if (buf == NULL) 1053 return -ENOMEM; 1054 1055 if (!sc->sc_ah->common.btcoex_enabled) { 1056 len = scnprintf(buf, size, "%s\n", 1057 "BTCOEX is disabled"); 1058 goto exit; 1059 } 1060 1061 len = ath9k_dump_btcoex(sc, buf, size); 1062 exit: 1063 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1064 kfree(buf); 1065 1066 return retval; 1067 } 1068 1069 static const struct file_operations fops_btcoex = { 1070 .read = read_file_btcoex, 1071 .open = simple_open, 1072 .owner = THIS_MODULE, 1073 .llseek = default_llseek, 1074 }; 1075 #endif 1076 1077 #ifdef CONFIG_ATH9K_DYNACK 1078 static ssize_t read_file_ackto(struct file *file, char __user *user_buf, 1079 size_t count, loff_t *ppos) 1080 { 1081 struct ath_softc *sc = file->private_data; 1082 struct ath_hw *ah = sc->sc_ah; 1083 char buf[32]; 1084 unsigned int len; 1085 1086 len = sprintf(buf, "%u %c\n", ah->dynack.ackto, 1087 (ah->dynack.enabled) ? 'A' : 'S'); 1088 1089 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1090 } 1091 1092 static const struct file_operations fops_ackto = { 1093 .read = read_file_ackto, 1094 .open = simple_open, 1095 .owner = THIS_MODULE, 1096 .llseek = default_llseek, 1097 }; 1098 #endif 1099 1100 #ifdef CONFIG_ATH9K_WOW 1101 1102 static ssize_t read_file_wow(struct file *file, char __user *user_buf, 1103 size_t count, loff_t *ppos) 1104 { 1105 struct ath_softc *sc = file->private_data; 1106 unsigned int len = 0, size = 32; 1107 ssize_t retval; 1108 char *buf; 1109 1110 buf = kzalloc(size, GFP_KERNEL); 1111 if (!buf) 1112 return -ENOMEM; 1113 1114 len += scnprintf(buf + len, size - len, "WOW: %s\n", 1115 sc->force_wow ? "ENABLED" : "DISABLED"); 1116 1117 if (len > size) 1118 len = size; 1119 1120 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1121 kfree(buf); 1122 1123 return retval; 1124 } 1125 1126 static ssize_t write_file_wow(struct file *file, const char __user *user_buf, 1127 size_t count, loff_t *ppos) 1128 { 1129 struct ath_softc *sc = file->private_data; 1130 unsigned long val; 1131 char buf[32]; 1132 ssize_t len; 1133 1134 len = min(count, sizeof(buf) - 1); 1135 if (copy_from_user(buf, user_buf, len)) 1136 return -EFAULT; 1137 1138 buf[len] = '\0'; 1139 if (kstrtoul(buf, 0, &val)) 1140 return -EINVAL; 1141 1142 if (val != 1) 1143 return -EINVAL; 1144 1145 if (!sc->force_wow) { 1146 sc->force_wow = true; 1147 ath9k_init_wow(sc->hw); 1148 } 1149 1150 return count; 1151 } 1152 1153 static const struct file_operations fops_wow = { 1154 .read = read_file_wow, 1155 .write = write_file_wow, 1156 .open = simple_open, 1157 .owner = THIS_MODULE, 1158 .llseek = default_llseek, 1159 }; 1160 1161 #endif 1162 1163 static ssize_t read_file_tpc(struct file *file, char __user *user_buf, 1164 size_t count, loff_t *ppos) 1165 { 1166 struct ath_softc *sc = file->private_data; 1167 struct ath_hw *ah = sc->sc_ah; 1168 unsigned int len = 0, size = 32; 1169 ssize_t retval; 1170 char *buf; 1171 1172 buf = kzalloc(size, GFP_KERNEL); 1173 if (!buf) 1174 return -ENOMEM; 1175 1176 len += scnprintf(buf + len, size - len, "%s\n", 1177 ah->tpc_enabled ? "ENABLED" : "DISABLED"); 1178 1179 if (len > size) 1180 len = size; 1181 1182 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1183 kfree(buf); 1184 1185 return retval; 1186 } 1187 1188 static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, 1189 size_t count, loff_t *ppos) 1190 { 1191 struct ath_softc *sc = file->private_data; 1192 struct ath_hw *ah = sc->sc_ah; 1193 unsigned long val; 1194 char buf[32]; 1195 ssize_t len; 1196 bool tpc_enabled; 1197 1198 len = min(count, sizeof(buf) - 1); 1199 if (copy_from_user(buf, user_buf, len)) 1200 return -EFAULT; 1201 1202 buf[len] = '\0'; 1203 if (kstrtoul(buf, 0, &val)) 1204 return -EINVAL; 1205 1206 if (val > 1) 1207 return -EINVAL; 1208 1209 tpc_enabled = !!val; 1210 1211 if (tpc_enabled != ah->tpc_enabled) { 1212 ah->tpc_enabled = tpc_enabled; 1213 1214 mutex_lock(&sc->mutex); 1215 ath9k_set_txpower(sc, NULL); 1216 mutex_unlock(&sc->mutex); 1217 } 1218 1219 return count; 1220 } 1221 1222 static const struct file_operations fops_tpc = { 1223 .read = read_file_tpc, 1224 .write = write_file_tpc, 1225 .open = simple_open, 1226 .owner = THIS_MODULE, 1227 .llseek = default_llseek, 1228 }; 1229 1230 static ssize_t read_file_nf_override(struct file *file, 1231 char __user *user_buf, 1232 size_t count, loff_t *ppos) 1233 { 1234 struct ath_softc *sc = file->private_data; 1235 struct ath_hw *ah = sc->sc_ah; 1236 char buf[32]; 1237 unsigned int len; 1238 1239 if (ah->nf_override == 0) 1240 len = sprintf(buf, "off\n"); 1241 else 1242 len = sprintf(buf, "%d\n", ah->nf_override); 1243 1244 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1245 } 1246 1247 static ssize_t write_file_nf_override(struct file *file, 1248 const char __user *user_buf, 1249 size_t count, loff_t *ppos) 1250 { 1251 struct ath_softc *sc = file->private_data; 1252 struct ath_hw *ah = sc->sc_ah; 1253 long val; 1254 char buf[32]; 1255 ssize_t len; 1256 1257 len = min(count, sizeof(buf) - 1); 1258 if (copy_from_user(buf, user_buf, len)) 1259 return -EFAULT; 1260 1261 buf[len] = '\0'; 1262 if (strncmp("off", buf, 3) == 0) 1263 val = 0; 1264 else if (kstrtol(buf, 0, &val)) 1265 return -EINVAL; 1266 1267 if (val > 0) 1268 return -EINVAL; 1269 1270 if (val < -120) 1271 return -EINVAL; 1272 1273 ah->nf_override = val; 1274 1275 if (ah->curchan) { 1276 ath9k_ps_wakeup(sc); 1277 ath9k_hw_loadnf(ah, ah->curchan); 1278 ath9k_ps_restore(sc); 1279 } 1280 1281 return count; 1282 } 1283 1284 static const struct file_operations fops_nf_override = { 1285 .read = read_file_nf_override, 1286 .write = write_file_nf_override, 1287 .open = simple_open, 1288 .owner = THIS_MODULE, 1289 .llseek = default_llseek, 1290 }; 1291 1292 /* Ethtool support for get-stats */ 1293 1294 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1295 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1296 "tx_pkts_nic", 1297 "tx_bytes_nic", 1298 "rx_pkts_nic", 1299 "rx_bytes_nic", 1300 AMKSTR(d_tx_pkts), 1301 AMKSTR(d_tx_bytes), 1302 AMKSTR(d_tx_mpdus_queued), 1303 AMKSTR(d_tx_mpdus_completed), 1304 AMKSTR(d_tx_mpdu_xretries), 1305 AMKSTR(d_tx_aggregates), 1306 AMKSTR(d_tx_ampdus_queued_hw), 1307 AMKSTR(d_tx_ampdus_completed), 1308 AMKSTR(d_tx_ampdu_retries), 1309 AMKSTR(d_tx_ampdu_xretries), 1310 AMKSTR(d_tx_fifo_underrun), 1311 AMKSTR(d_tx_op_exceeded), 1312 AMKSTR(d_tx_timer_expiry), 1313 AMKSTR(d_tx_desc_cfg_err), 1314 AMKSTR(d_tx_data_underrun), 1315 AMKSTR(d_tx_delim_underrun), 1316 "d_rx_crc_err", 1317 "d_rx_decrypt_crc_err", 1318 "d_rx_phy_err", 1319 "d_rx_mic_err", 1320 "d_rx_pre_delim_crc_err", 1321 "d_rx_post_delim_crc_err", 1322 "d_rx_decrypt_busy_err", 1323 1324 "d_rx_phyerr_radar", 1325 "d_rx_phyerr_ofdm_timing", 1326 "d_rx_phyerr_cck_timing", 1327 1328 }; 1329 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1330 1331 void ath9k_get_et_strings(struct ieee80211_hw *hw, 1332 struct ieee80211_vif *vif, 1333 u32 sset, u8 *data) 1334 { 1335 if (sset == ETH_SS_STATS) 1336 memcpy(data, *ath9k_gstrings_stats, 1337 sizeof(ath9k_gstrings_stats)); 1338 } 1339 1340 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1341 struct ieee80211_vif *vif, int sset) 1342 { 1343 if (sset == ETH_SS_STATS) 1344 return ATH9K_SSTATS_LEN; 1345 return 0; 1346 } 1347 1348 #define AWDATA(elem) \ 1349 do { \ 1350 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1351 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1352 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1353 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1354 } while (0) 1355 1356 #define AWDATA_RX(elem) \ 1357 do { \ 1358 data[i++] = sc->debug.stats.rxstats.elem; \ 1359 } while (0) 1360 1361 void ath9k_get_et_stats(struct ieee80211_hw *hw, 1362 struct ieee80211_vif *vif, 1363 struct ethtool_stats *stats, u64 *data) 1364 { 1365 struct ath_softc *sc = hw->priv; 1366 int i = 0; 1367 1368 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1369 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1370 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1371 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1372 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1373 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1374 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1375 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1376 AWDATA_RX(rx_pkts_all); 1377 AWDATA_RX(rx_bytes_all); 1378 1379 AWDATA(tx_pkts_all); 1380 AWDATA(tx_bytes_all); 1381 AWDATA(queued); 1382 AWDATA(completed); 1383 AWDATA(xretries); 1384 AWDATA(a_aggr); 1385 AWDATA(a_queued_hw); 1386 AWDATA(a_completed); 1387 AWDATA(a_retries); 1388 AWDATA(a_xretries); 1389 AWDATA(fifo_underrun); 1390 AWDATA(xtxop); 1391 AWDATA(timer_exp); 1392 AWDATA(desc_cfg_err); 1393 AWDATA(data_underrun); 1394 AWDATA(delim_underrun); 1395 1396 AWDATA_RX(crc_err); 1397 AWDATA_RX(decrypt_crc_err); 1398 AWDATA_RX(phy_err); 1399 AWDATA_RX(mic_err); 1400 AWDATA_RX(pre_delim_crc_err); 1401 AWDATA_RX(post_delim_crc_err); 1402 AWDATA_RX(decrypt_busy_err); 1403 1404 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 1405 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 1406 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 1407 1408 WARN_ON(i != ATH9K_SSTATS_LEN); 1409 } 1410 1411 void ath9k_deinit_debug(struct ath_softc *sc) 1412 { 1413 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv); 1414 } 1415 1416 int ath9k_init_debug(struct ath_hw *ah) 1417 { 1418 struct ath_common *common = ath9k_hw_common(ah); 1419 struct ath_softc *sc = (struct ath_softc *) common->priv; 1420 1421 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1422 sc->hw->wiphy->debugfsdir); 1423 if (!sc->debug.debugfs_phy) 1424 return -ENOMEM; 1425 1426 #ifdef CONFIG_ATH_DEBUG 1427 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy, 1428 sc, &fops_debug); 1429 #endif 1430 1431 ath9k_dfs_init_debug(sc); 1432 ath9k_tx99_init_debug(sc); 1433 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy); 1434 1435 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy, 1436 read_file_dma); 1437 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy, 1438 read_file_interrupt); 1439 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy, 1440 read_file_xmit); 1441 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy, 1442 read_file_queues); 1443 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy, 1444 read_file_misc); 1445 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy, 1446 sc, &fops_reset); 1447 1448 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1449 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1450 1451 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy, 1452 &ah->rxchainmask); 1453 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy, 1454 &ah->txchainmask); 1455 debugfs_create_file("ani", 0600, 1456 sc->debug.debugfs_phy, sc, &fops_ani); 1457 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy, 1458 &sc->sc_ah->config.enable_paprd); 1459 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy, 1460 sc, &fops_regidx); 1461 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy, 1462 sc, &fops_regval); 1463 debugfs_create_bool("ignore_extcca", 0600, 1464 sc->debug.debugfs_phy, 1465 &ah->config.cwm_ignore_extcca); 1466 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc, 1467 &fops_regdump); 1468 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal", 1469 sc->debug.debugfs_phy, 1470 read_file_dump_nfcal); 1471 1472 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1473 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1474 1475 debugfs_create_u32("gpio_mask", 0600, 1476 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1477 debugfs_create_u32("gpio_val", 0600, 1478 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1479 debugfs_create_file("antenna_diversity", 0400, 1480 sc->debug.debugfs_phy, sc, &fops_antenna_diversity); 1481 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1482 debugfs_create_file("bt_ant_diversity", 0600, 1483 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity); 1484 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc, 1485 &fops_btcoex); 1486 #endif 1487 1488 #ifdef CONFIG_ATH9K_WOW 1489 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow); 1490 #endif 1491 1492 #ifdef CONFIG_ATH9K_DYNACK 1493 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy, 1494 sc, &fops_ackto); 1495 #endif 1496 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc); 1497 1498 debugfs_create_file("nf_override", 0600, 1499 sc->debug.debugfs_phy, sc, &fops_nf_override); 1500 1501 return 0; 1502 } 1503