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_spurup }, 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 < 0 || 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 ssize_t read_file_dma(struct file *file, char __user *user_buf, 405 size_t count, loff_t *ppos) 406 { 407 struct ath_softc *sc = file->private_data; 408 struct ath_hw *ah = sc->sc_ah; 409 char *buf; 410 int retval; 411 unsigned int len = 0; 412 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 413 int i, qcuOffset = 0, dcuOffset = 0; 414 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 415 416 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); 417 if (!buf) 418 return -ENOMEM; 419 420 ath9k_ps_wakeup(sc); 421 422 REG_WRITE_D(ah, AR_MACMISC, 423 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 424 (AR_MACMISC_MISC_OBS_BUS_1 << 425 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 426 427 len += scnprintf(buf + len, DMA_BUF_LEN - len, 428 "Raw DMA Debug values:\n"); 429 430 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 431 if (i % 4 == 0) 432 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n"); 433 434 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 435 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", 436 i, val[i]); 437 } 438 439 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); 440 len += scnprintf(buf + len, DMA_BUF_LEN - len, 441 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 442 443 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 444 if (i == 8) { 445 qcuOffset = 0; 446 qcuBase++; 447 } 448 449 if (i == 6) { 450 dcuOffset = 0; 451 dcuBase++; 452 } 453 454 len += scnprintf(buf + len, DMA_BUF_LEN - len, 455 "%2d %2x %1x %2x %2x\n", 456 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 457 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 458 val[2] & (0x7 << (i * 3)) >> (i * 3), 459 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 460 } 461 462 len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n"); 463 464 len += scnprintf(buf + len, DMA_BUF_LEN - len, 465 "qcu_stitch state: %2x qcu_fetch state: %2x\n", 466 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 467 len += scnprintf(buf + len, DMA_BUF_LEN - len, 468 "qcu_complete state: %2x dcu_complete state: %2x\n", 469 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 470 len += scnprintf(buf + len, DMA_BUF_LEN - len, 471 "dcu_arb state: %2x dcu_fp state: %2x\n", 472 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 473 len += scnprintf(buf + len, DMA_BUF_LEN - len, 474 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 475 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 476 len += scnprintf(buf + len, DMA_BUF_LEN - len, 477 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 478 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 479 len += scnprintf(buf + len, DMA_BUF_LEN - len, 480 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 481 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 482 483 len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", 484 REG_READ_D(ah, AR_OBS_BUS_1)); 485 len += scnprintf(buf + len, DMA_BUF_LEN - len, 486 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 487 488 ath9k_ps_restore(sc); 489 490 if (len > DMA_BUF_LEN) 491 len = DMA_BUF_LEN; 492 493 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 494 kfree(buf); 495 return retval; 496 } 497 498 static const struct file_operations fops_dma = { 499 .read = read_file_dma, 500 .open = simple_open, 501 .owner = THIS_MODULE, 502 .llseek = default_llseek, 503 }; 504 505 506 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 507 { 508 if (status) 509 sc->debug.stats.istats.total++; 510 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 511 if (status & ATH9K_INT_RXLP) 512 sc->debug.stats.istats.rxlp++; 513 if (status & ATH9K_INT_RXHP) 514 sc->debug.stats.istats.rxhp++; 515 if (status & ATH9K_INT_BB_WATCHDOG) 516 sc->debug.stats.istats.bb_watchdog++; 517 } else { 518 if (status & ATH9K_INT_RX) 519 sc->debug.stats.istats.rxok++; 520 } 521 if (status & ATH9K_INT_RXEOL) 522 sc->debug.stats.istats.rxeol++; 523 if (status & ATH9K_INT_RXORN) 524 sc->debug.stats.istats.rxorn++; 525 if (status & ATH9K_INT_TX) 526 sc->debug.stats.istats.txok++; 527 if (status & ATH9K_INT_TXURN) 528 sc->debug.stats.istats.txurn++; 529 if (status & ATH9K_INT_RXPHY) 530 sc->debug.stats.istats.rxphyerr++; 531 if (status & ATH9K_INT_RXKCM) 532 sc->debug.stats.istats.rx_keycache_miss++; 533 if (status & ATH9K_INT_SWBA) 534 sc->debug.stats.istats.swba++; 535 if (status & ATH9K_INT_BMISS) 536 sc->debug.stats.istats.bmiss++; 537 if (status & ATH9K_INT_BNR) 538 sc->debug.stats.istats.bnr++; 539 if (status & ATH9K_INT_CST) 540 sc->debug.stats.istats.cst++; 541 if (status & ATH9K_INT_GTT) 542 sc->debug.stats.istats.gtt++; 543 if (status & ATH9K_INT_TIM) 544 sc->debug.stats.istats.tim++; 545 if (status & ATH9K_INT_CABEND) 546 sc->debug.stats.istats.cabend++; 547 if (status & ATH9K_INT_DTIMSYNC) 548 sc->debug.stats.istats.dtimsync++; 549 if (status & ATH9K_INT_DTIM) 550 sc->debug.stats.istats.dtim++; 551 if (status & ATH9K_INT_TSFOOR) 552 sc->debug.stats.istats.tsfoor++; 553 if (status & ATH9K_INT_MCI) 554 sc->debug.stats.istats.mci++; 555 if (status & ATH9K_INT_GENTIMER) 556 sc->debug.stats.istats.gen_timer++; 557 } 558 559 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 560 size_t count, loff_t *ppos) 561 { 562 struct ath_softc *sc = file->private_data; 563 unsigned int len = 0; 564 int rv; 565 int mxlen = 4000; 566 char *buf = kmalloc(mxlen, GFP_KERNEL); 567 if (!buf) 568 return -ENOMEM; 569 570 #define PR_IS(a, s) \ 571 do { \ 572 len += scnprintf(buf + len, mxlen - len, \ 573 "%21s: %10u\n", a, \ 574 sc->debug.stats.istats.s); \ 575 } while (0) 576 577 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 578 PR_IS("RXLP", rxlp); 579 PR_IS("RXHP", rxhp); 580 PR_IS("WATHDOG", bb_watchdog); 581 } else { 582 PR_IS("RX", rxok); 583 } 584 PR_IS("RXEOL", rxeol); 585 PR_IS("RXORN", rxorn); 586 PR_IS("TX", txok); 587 PR_IS("TXURN", txurn); 588 PR_IS("MIB", mib); 589 PR_IS("RXPHY", rxphyerr); 590 PR_IS("RXKCM", rx_keycache_miss); 591 PR_IS("SWBA", swba); 592 PR_IS("BMISS", bmiss); 593 PR_IS("BNR", bnr); 594 PR_IS("CST", cst); 595 PR_IS("GTT", gtt); 596 PR_IS("TIM", tim); 597 PR_IS("CABEND", cabend); 598 PR_IS("DTIMSYNC", dtimsync); 599 PR_IS("DTIM", dtim); 600 PR_IS("TSFOOR", tsfoor); 601 PR_IS("MCI", mci); 602 PR_IS("GENTIMER", gen_timer); 603 PR_IS("TOTAL", total); 604 605 len += scnprintf(buf + len, mxlen - len, 606 "SYNC_CAUSE stats:\n"); 607 608 PR_IS("Sync-All", sync_cause_all); 609 PR_IS("RTC-IRQ", sync_rtc_irq); 610 PR_IS("MAC-IRQ", sync_mac_irq); 611 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access); 612 PR_IS("APB-Timeout", apb_timeout); 613 PR_IS("PCI-Mode-Conflict", pci_mode_conflict); 614 PR_IS("HOST1-Fatal", host1_fatal); 615 PR_IS("HOST1-Perr", host1_perr); 616 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr); 617 PR_IS("RADM-CPL-EP", radm_cpl_ep); 618 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort); 619 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort); 620 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err); 621 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout); 622 PR_IS("Local-Bus-Timeout", local_timeout); 623 PR_IS("PM-Access", pm_access); 624 PR_IS("MAC-Awake", mac_awake); 625 PR_IS("MAC-Asleep", mac_asleep); 626 PR_IS("MAC-Sleep-Access", mac_sleep_access); 627 628 if (len > mxlen) 629 len = mxlen; 630 631 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len); 632 kfree(buf); 633 return rv; 634 } 635 636 static const struct file_operations fops_interrupt = { 637 .read = read_file_interrupt, 638 .open = simple_open, 639 .owner = THIS_MODULE, 640 .llseek = default_llseek, 641 }; 642 643 static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 644 size_t count, loff_t *ppos) 645 { 646 struct ath_softc *sc = file->private_data; 647 char *buf; 648 unsigned int len = 0, size = 2048; 649 ssize_t retval = 0; 650 651 buf = kzalloc(size, GFP_KERNEL); 652 if (buf == NULL) 653 return -ENOMEM; 654 655 len += sprintf(buf, "%30s %10s%10s%10s\n\n", 656 "BE", "BK", "VI", "VO"); 657 658 PR("MPDUs Queued: ", queued); 659 PR("MPDUs Completed: ", completed); 660 PR("MPDUs XRetried: ", xretries); 661 PR("Aggregates: ", a_aggr); 662 PR("AMPDUs Queued HW:", a_queued_hw); 663 PR("AMPDUs Queued SW:", a_queued_sw); 664 PR("AMPDUs Completed:", a_completed); 665 PR("AMPDUs Retried: ", a_retries); 666 PR("AMPDUs XRetried: ", a_xretries); 667 PR("TXERR Filtered: ", txerr_filtered); 668 PR("FIFO Underrun: ", fifo_underrun); 669 PR("TXOP Exceeded: ", xtxop); 670 PR("TXTIMER Expiry: ", timer_exp); 671 PR("DESC CFG Error: ", desc_cfg_err); 672 PR("DATA Underrun: ", data_underrun); 673 PR("DELIM Underrun: ", delim_underrun); 674 PR("TX-Pkts-All: ", tx_pkts_all); 675 PR("TX-Bytes-All: ", tx_bytes_all); 676 PR("HW-put-tx-buf: ", puttxbuf); 677 PR("HW-tx-start: ", txstart); 678 PR("HW-tx-proc-desc: ", txprocdesc); 679 PR("TX-Failed: ", txfailed); 680 681 if (len > size) 682 len = size; 683 684 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 685 kfree(buf); 686 687 return retval; 688 } 689 690 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq, 691 char *buf, ssize_t size) 692 { 693 ssize_t len = 0; 694 695 ath_txq_lock(sc, txq); 696 697 len += scnprintf(buf + len, size - len, "%s: %d ", 698 "qnum", txq->axq_qnum); 699 len += scnprintf(buf + len, size - len, "%s: %2d ", 700 "qdepth", txq->axq_depth); 701 len += scnprintf(buf + len, size - len, "%s: %2d ", 702 "ampdu-depth", txq->axq_ampdu_depth); 703 len += scnprintf(buf + len, size - len, "%s: %3d ", 704 "pending", txq->pending_frames); 705 len += scnprintf(buf + len, size - len, "%s: %d\n", 706 "stopped", txq->stopped); 707 708 ath_txq_unlock(sc, txq); 709 return len; 710 } 711 712 static ssize_t read_file_queues(struct file *file, char __user *user_buf, 713 size_t count, loff_t *ppos) 714 { 715 struct ath_softc *sc = file->private_data; 716 struct ath_txq *txq; 717 char *buf; 718 unsigned int len = 0; 719 const unsigned int size = 1024; 720 ssize_t retval = 0; 721 int i; 722 static const char *qname[4] = { 723 "VO", "VI", "BE", "BK" 724 }; 725 726 buf = kzalloc(size, GFP_KERNEL); 727 if (buf == NULL) 728 return -ENOMEM; 729 730 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 731 txq = sc->tx.txq_map[i]; 732 len += scnprintf(buf + len, size - len, "(%s): ", qname[i]); 733 len += print_queue(sc, txq, buf + len, size - len); 734 } 735 736 len += scnprintf(buf + len, size - len, "(CAB): "); 737 len += print_queue(sc, sc->beacon.cabq, buf + len, size - len); 738 739 if (len > size) 740 len = size; 741 742 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 743 kfree(buf); 744 745 return retval; 746 } 747 748 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 749 size_t count, loff_t *ppos) 750 { 751 struct ath_softc *sc = file->private_data; 752 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 753 struct ieee80211_hw *hw = sc->hw; 754 struct ath9k_vif_iter_data iter_data; 755 char buf[512]; 756 unsigned int len = 0; 757 ssize_t retval = 0; 758 unsigned int reg; 759 u32 rxfilter; 760 761 len += scnprintf(buf + len, sizeof(buf) - len, 762 "BSSID: %pM\n", common->curbssid); 763 len += scnprintf(buf + len, sizeof(buf) - len, 764 "BSSID-MASK: %pM\n", common->bssidmask); 765 len += scnprintf(buf + len, sizeof(buf) - len, 766 "OPMODE: %s\n", 767 ath_opmode_to_string(sc->sc_ah->opmode)); 768 769 ath9k_ps_wakeup(sc); 770 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 771 ath9k_ps_restore(sc); 772 773 len += scnprintf(buf + len, sizeof(buf) - len, 774 "RXFILTER: 0x%x", rxfilter); 775 776 if (rxfilter & ATH9K_RX_FILTER_UCAST) 777 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST"); 778 if (rxfilter & ATH9K_RX_FILTER_MCAST) 779 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST"); 780 if (rxfilter & ATH9K_RX_FILTER_BCAST) 781 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST"); 782 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 783 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL"); 784 if (rxfilter & ATH9K_RX_FILTER_BEACON) 785 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON"); 786 if (rxfilter & ATH9K_RX_FILTER_PROM) 787 len += scnprintf(buf + len, sizeof(buf) - len, " PROM"); 788 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 789 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 790 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 791 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR"); 792 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 793 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 794 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 795 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 796 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 797 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 798 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 799 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 800 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 801 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); 802 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 803 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER"); 804 805 len += scnprintf(buf + len, sizeof(buf) - len, "\n"); 806 807 reg = sc->sc_ah->imask; 808 809 len += scnprintf(buf + len, sizeof(buf) - len, 810 "INTERRUPT-MASK: 0x%x", reg); 811 812 if (reg & ATH9K_INT_SWBA) 813 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA"); 814 if (reg & ATH9K_INT_BMISS) 815 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS"); 816 if (reg & ATH9K_INT_CST) 817 len += scnprintf(buf + len, sizeof(buf) - len, " CST"); 818 if (reg & ATH9K_INT_RX) 819 len += scnprintf(buf + len, sizeof(buf) - len, " RX"); 820 if (reg & ATH9K_INT_RXHP) 821 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP"); 822 if (reg & ATH9K_INT_RXLP) 823 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP"); 824 if (reg & ATH9K_INT_BB_WATCHDOG) 825 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG"); 826 827 len += scnprintf(buf + len, sizeof(buf) - len, "\n"); 828 829 ath9k_calculate_iter_data(hw, NULL, &iter_data); 830 831 len += scnprintf(buf + len, sizeof(buf) - len, 832 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i" 833 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", 834 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 835 iter_data.nwds, iter_data.nadhocs, 836 sc->nvifs, sc->nbcnvifs); 837 838 if (len > sizeof(buf)) 839 len = sizeof(buf); 840 841 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 842 return retval; 843 } 844 845 static ssize_t read_file_reset(struct file *file, char __user *user_buf, 846 size_t count, loff_t *ppos) 847 { 848 struct ath_softc *sc = file->private_data; 849 char buf[512]; 850 unsigned int len = 0; 851 852 len += scnprintf(buf + len, sizeof(buf) - len, 853 "%17s: %2d\n", "Baseband Hang", 854 sc->debug.stats.reset[RESET_TYPE_BB_HANG]); 855 len += scnprintf(buf + len, sizeof(buf) - len, 856 "%17s: %2d\n", "Baseband Watchdog", 857 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); 858 len += scnprintf(buf + len, sizeof(buf) - len, 859 "%17s: %2d\n", "Fatal HW Error", 860 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); 861 len += scnprintf(buf + len, sizeof(buf) - len, 862 "%17s: %2d\n", "TX HW error", 863 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); 864 len += scnprintf(buf + len, sizeof(buf) - len, 865 "%17s: %2d\n", "TX Path Hang", 866 sc->debug.stats.reset[RESET_TYPE_TX_HANG]); 867 len += scnprintf(buf + len, sizeof(buf) - len, 868 "%17s: %2d\n", "PLL RX Hang", 869 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 870 len += scnprintf(buf + len, sizeof(buf) - len, 871 "%17s: %2d\n", "MAC Hang", 872 sc->debug.stats.reset[RESET_TYPE_MAC_HANG]); 873 len += scnprintf(buf + len, sizeof(buf) - len, 874 "%17s: %2d\n", "Stuck Beacon", 875 sc->debug.stats.reset[RESET_TYPE_BEACON_STUCK]); 876 len += scnprintf(buf + len, sizeof(buf) - len, 877 "%17s: %2d\n", "MCI Reset", 878 sc->debug.stats.reset[RESET_TYPE_MCI]); 879 880 if (len > sizeof(buf)) 881 len = sizeof(buf); 882 883 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 884 } 885 886 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 887 struct ath_tx_status *ts, struct ath_txq *txq, 888 unsigned int flags) 889 { 890 int qnum = txq->axq_qnum; 891 892 TX_STAT_INC(qnum, tx_pkts_all); 893 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 894 895 if (bf_isampdu(bf)) { 896 if (flags & ATH_TX_ERROR) 897 TX_STAT_INC(qnum, a_xretries); 898 else 899 TX_STAT_INC(qnum, a_completed); 900 } else { 901 if (ts->ts_status & ATH9K_TXERR_XRETRY) 902 TX_STAT_INC(qnum, xretries); 903 else 904 TX_STAT_INC(qnum, completed); 905 } 906 907 if (ts->ts_status & ATH9K_TXERR_FILT) 908 TX_STAT_INC(qnum, txerr_filtered); 909 if (ts->ts_status & ATH9K_TXERR_FIFO) 910 TX_STAT_INC(qnum, fifo_underrun); 911 if (ts->ts_status & ATH9K_TXERR_XTXOP) 912 TX_STAT_INC(qnum, xtxop); 913 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 914 TX_STAT_INC(qnum, timer_exp); 915 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 916 TX_STAT_INC(qnum, desc_cfg_err); 917 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 918 TX_STAT_INC(qnum, data_underrun); 919 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 920 TX_STAT_INC(qnum, delim_underrun); 921 } 922 923 static const struct file_operations fops_xmit = { 924 .read = read_file_xmit, 925 .open = simple_open, 926 .owner = THIS_MODULE, 927 .llseek = default_llseek, 928 }; 929 930 static const struct file_operations fops_queues = { 931 .read = read_file_queues, 932 .open = simple_open, 933 .owner = THIS_MODULE, 934 .llseek = default_llseek, 935 }; 936 937 static const struct file_operations fops_misc = { 938 .read = read_file_misc, 939 .open = simple_open, 940 .owner = THIS_MODULE, 941 .llseek = default_llseek, 942 }; 943 944 static const struct file_operations fops_reset = { 945 .read = read_file_reset, 946 .open = simple_open, 947 .owner = THIS_MODULE, 948 .llseek = default_llseek, 949 }; 950 951 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 952 { 953 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs); 954 } 955 956 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 957 size_t count, loff_t *ppos) 958 { 959 struct ath_softc *sc = file->private_data; 960 char buf[32]; 961 unsigned int len; 962 963 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 964 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 965 } 966 967 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 968 size_t count, loff_t *ppos) 969 { 970 struct ath_softc *sc = file->private_data; 971 unsigned long regidx; 972 char buf[32]; 973 ssize_t len; 974 975 len = min(count, sizeof(buf) - 1); 976 if (copy_from_user(buf, user_buf, len)) 977 return -EFAULT; 978 979 buf[len] = '\0'; 980 if (kstrtoul(buf, 0, ®idx)) 981 return -EINVAL; 982 983 sc->debug.regidx = regidx; 984 return count; 985 } 986 987 static const struct file_operations fops_regidx = { 988 .read = read_file_regidx, 989 .write = write_file_regidx, 990 .open = simple_open, 991 .owner = THIS_MODULE, 992 .llseek = default_llseek, 993 }; 994 995 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 996 size_t count, loff_t *ppos) 997 { 998 struct ath_softc *sc = file->private_data; 999 struct ath_hw *ah = sc->sc_ah; 1000 char buf[32]; 1001 unsigned int len; 1002 u32 regval; 1003 1004 ath9k_ps_wakeup(sc); 1005 regval = REG_READ_D(ah, sc->debug.regidx); 1006 ath9k_ps_restore(sc); 1007 len = sprintf(buf, "0x%08x\n", regval); 1008 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1009 } 1010 1011 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1012 size_t count, loff_t *ppos) 1013 { 1014 struct ath_softc *sc = file->private_data; 1015 struct ath_hw *ah = sc->sc_ah; 1016 unsigned long regval; 1017 char buf[32]; 1018 ssize_t len; 1019 1020 len = min(count, sizeof(buf) - 1); 1021 if (copy_from_user(buf, user_buf, len)) 1022 return -EFAULT; 1023 1024 buf[len] = '\0'; 1025 if (kstrtoul(buf, 0, ®val)) 1026 return -EINVAL; 1027 1028 ath9k_ps_wakeup(sc); 1029 REG_WRITE_D(ah, sc->debug.regidx, regval); 1030 ath9k_ps_restore(sc); 1031 return count; 1032 } 1033 1034 static const struct file_operations fops_regval = { 1035 .read = read_file_regval, 1036 .write = write_file_regval, 1037 .open = simple_open, 1038 .owner = THIS_MODULE, 1039 .llseek = default_llseek, 1040 }; 1041 1042 #define REGDUMP_LINE_SIZE 20 1043 1044 static int open_file_regdump(struct inode *inode, struct file *file) 1045 { 1046 struct ath_softc *sc = inode->i_private; 1047 unsigned int len = 0; 1048 u8 *buf; 1049 int i; 1050 unsigned long num_regs, regdump_len, max_reg_offset; 1051 1052 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1053 num_regs = max_reg_offset / 4 + 1; 1054 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1055 buf = vmalloc(regdump_len); 1056 if (!buf) 1057 return -ENOMEM; 1058 1059 ath9k_ps_wakeup(sc); 1060 for (i = 0; i < num_regs; i++) 1061 len += scnprintf(buf + len, regdump_len - len, 1062 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1063 ath9k_ps_restore(sc); 1064 1065 file->private_data = buf; 1066 1067 return 0; 1068 } 1069 1070 static const struct file_operations fops_regdump = { 1071 .open = open_file_regdump, 1072 .read = ath9k_debugfs_read_buf, 1073 .release = ath9k_debugfs_release_buf, 1074 .owner = THIS_MODULE, 1075 .llseek = default_llseek,/* read accesses f_pos */ 1076 }; 1077 1078 static ssize_t read_file_dump_nfcal(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 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1084 struct ath_common *common = ath9k_hw_common(ah); 1085 struct ieee80211_conf *conf = &common->hw->conf; 1086 u32 len = 0, size = 1500; 1087 u32 i, j; 1088 ssize_t retval = 0; 1089 char *buf; 1090 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1091 u8 nread; 1092 1093 buf = kzalloc(size, GFP_KERNEL); 1094 if (!buf) 1095 return -ENOMEM; 1096 1097 len += scnprintf(buf + len, size - len, 1098 "Channel Noise Floor : %d\n", ah->noise); 1099 len += scnprintf(buf + len, size - len, 1100 "Chain | privNF | # Readings | NF Readings\n"); 1101 for (i = 0; i < NUM_NF_READINGS; i++) { 1102 if (!(chainmask & (1 << i)) || 1103 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1104 continue; 1105 1106 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1107 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1108 i, h[i].privNF, nread); 1109 for (j = 0; j < nread; j++) 1110 len += scnprintf(buf + len, size - len, 1111 " %d", h[i].nfCalBuffer[j]); 1112 len += scnprintf(buf + len, size - len, "\n"); 1113 } 1114 1115 if (len > size) 1116 len = size; 1117 1118 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1119 kfree(buf); 1120 1121 return retval; 1122 } 1123 1124 static const struct file_operations fops_dump_nfcal = { 1125 .read = read_file_dump_nfcal, 1126 .open = simple_open, 1127 .owner = THIS_MODULE, 1128 .llseek = default_llseek, 1129 }; 1130 1131 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1132 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1133 size_t count, loff_t *ppos) 1134 { 1135 struct ath_softc *sc = file->private_data; 1136 u32 len = 0, size = 1500; 1137 char *buf; 1138 size_t retval; 1139 1140 buf = kzalloc(size, GFP_KERNEL); 1141 if (buf == NULL) 1142 return -ENOMEM; 1143 1144 if (!sc->sc_ah->common.btcoex_enabled) { 1145 len = scnprintf(buf, size, "%s\n", 1146 "BTCOEX is disabled"); 1147 goto exit; 1148 } 1149 1150 len = ath9k_dump_btcoex(sc, buf, size); 1151 exit: 1152 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1153 kfree(buf); 1154 1155 return retval; 1156 } 1157 1158 static const struct file_operations fops_btcoex = { 1159 .read = read_file_btcoex, 1160 .open = simple_open, 1161 .owner = THIS_MODULE, 1162 .llseek = default_llseek, 1163 }; 1164 #endif 1165 1166 /* Ethtool support for get-stats */ 1167 1168 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1169 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1170 "tx_pkts_nic", 1171 "tx_bytes_nic", 1172 "rx_pkts_nic", 1173 "rx_bytes_nic", 1174 AMKSTR(d_tx_pkts), 1175 AMKSTR(d_tx_bytes), 1176 AMKSTR(d_tx_mpdus_queued), 1177 AMKSTR(d_tx_mpdus_completed), 1178 AMKSTR(d_tx_mpdu_xretries), 1179 AMKSTR(d_tx_aggregates), 1180 AMKSTR(d_tx_ampdus_queued_hw), 1181 AMKSTR(d_tx_ampdus_queued_sw), 1182 AMKSTR(d_tx_ampdus_completed), 1183 AMKSTR(d_tx_ampdu_retries), 1184 AMKSTR(d_tx_ampdu_xretries), 1185 AMKSTR(d_tx_fifo_underrun), 1186 AMKSTR(d_tx_op_exceeded), 1187 AMKSTR(d_tx_timer_expiry), 1188 AMKSTR(d_tx_desc_cfg_err), 1189 AMKSTR(d_tx_data_underrun), 1190 AMKSTR(d_tx_delim_underrun), 1191 "d_rx_crc_err", 1192 "d_rx_decrypt_crc_err", 1193 "d_rx_phy_err", 1194 "d_rx_mic_err", 1195 "d_rx_pre_delim_crc_err", 1196 "d_rx_post_delim_crc_err", 1197 "d_rx_decrypt_busy_err", 1198 1199 "d_rx_phyerr_radar", 1200 "d_rx_phyerr_ofdm_timing", 1201 "d_rx_phyerr_cck_timing", 1202 1203 }; 1204 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1205 1206 void ath9k_get_et_strings(struct ieee80211_hw *hw, 1207 struct ieee80211_vif *vif, 1208 u32 sset, u8 *data) 1209 { 1210 if (sset == ETH_SS_STATS) 1211 memcpy(data, *ath9k_gstrings_stats, 1212 sizeof(ath9k_gstrings_stats)); 1213 } 1214 1215 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1216 struct ieee80211_vif *vif, int sset) 1217 { 1218 if (sset == ETH_SS_STATS) 1219 return ATH9K_SSTATS_LEN; 1220 return 0; 1221 } 1222 1223 #define AWDATA(elem) \ 1224 do { \ 1225 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1226 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1227 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1228 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1229 } while (0) 1230 1231 #define AWDATA_RX(elem) \ 1232 do { \ 1233 data[i++] = sc->debug.stats.rxstats.elem; \ 1234 } while (0) 1235 1236 void ath9k_get_et_stats(struct ieee80211_hw *hw, 1237 struct ieee80211_vif *vif, 1238 struct ethtool_stats *stats, u64 *data) 1239 { 1240 struct ath_softc *sc = hw->priv; 1241 int i = 0; 1242 1243 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1244 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1245 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1246 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1247 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1248 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1249 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1250 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1251 AWDATA_RX(rx_pkts_all); 1252 AWDATA_RX(rx_bytes_all); 1253 1254 AWDATA(tx_pkts_all); 1255 AWDATA(tx_bytes_all); 1256 AWDATA(queued); 1257 AWDATA(completed); 1258 AWDATA(xretries); 1259 AWDATA(a_aggr); 1260 AWDATA(a_queued_hw); 1261 AWDATA(a_queued_sw); 1262 AWDATA(a_completed); 1263 AWDATA(a_retries); 1264 AWDATA(a_xretries); 1265 AWDATA(fifo_underrun); 1266 AWDATA(xtxop); 1267 AWDATA(timer_exp); 1268 AWDATA(desc_cfg_err); 1269 AWDATA(data_underrun); 1270 AWDATA(delim_underrun); 1271 1272 AWDATA_RX(crc_err); 1273 AWDATA_RX(decrypt_crc_err); 1274 AWDATA_RX(phy_err); 1275 AWDATA_RX(mic_err); 1276 AWDATA_RX(pre_delim_crc_err); 1277 AWDATA_RX(post_delim_crc_err); 1278 AWDATA_RX(decrypt_busy_err); 1279 1280 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 1281 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 1282 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 1283 1284 WARN_ON(i != ATH9K_SSTATS_LEN); 1285 } 1286 1287 void ath9k_deinit_debug(struct ath_softc *sc) 1288 { 1289 ath9k_spectral_deinit_debug(sc); 1290 } 1291 1292 int ath9k_init_debug(struct ath_hw *ah) 1293 { 1294 struct ath_common *common = ath9k_hw_common(ah); 1295 struct ath_softc *sc = (struct ath_softc *) common->priv; 1296 1297 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1298 sc->hw->wiphy->debugfsdir); 1299 if (!sc->debug.debugfs_phy) 1300 return -ENOMEM; 1301 1302 #ifdef CONFIG_ATH_DEBUG 1303 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1304 sc, &fops_debug); 1305 #endif 1306 1307 ath9k_dfs_init_debug(sc); 1308 ath9k_tx99_init_debug(sc); 1309 ath9k_spectral_init_debug(sc); 1310 1311 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 1312 &fops_dma); 1313 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 1314 &fops_interrupt); 1315 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 1316 &fops_xmit); 1317 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc, 1318 &fops_queues); 1319 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1320 &sc->tx.txq_max_pending[IEEE80211_AC_BK]); 1321 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1322 &sc->tx.txq_max_pending[IEEE80211_AC_BE]); 1323 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1324 &sc->tx.txq_max_pending[IEEE80211_AC_VI]); 1325 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1326 &sc->tx.txq_max_pending[IEEE80211_AC_VO]); 1327 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 1328 &fops_misc); 1329 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, 1330 &fops_reset); 1331 1332 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1333 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1334 1335 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy, 1336 &ah->rxchainmask); 1337 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy, 1338 &ah->txchainmask); 1339 debugfs_create_file("ani", S_IRUSR | S_IWUSR, 1340 sc->debug.debugfs_phy, sc, &fops_ani); 1341 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1342 &sc->sc_ah->config.enable_paprd); 1343 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1344 sc, &fops_regidx); 1345 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1346 sc, &fops_regval); 1347 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 1348 sc->debug.debugfs_phy, 1349 &ah->config.cwm_ignore_extcca); 1350 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 1351 &fops_regdump); 1352 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 1353 &fops_dump_nfcal); 1354 1355 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1356 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1357 1358 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 1359 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1360 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 1361 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1362 debugfs_create_file("antenna_diversity", S_IRUSR, 1363 sc->debug.debugfs_phy, sc, &fops_antenna_diversity); 1364 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1365 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR, 1366 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity); 1367 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc, 1368 &fops_btcoex); 1369 #endif 1370 1371 return 0; 1372 } 1373