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 29void 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 71static 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 78static 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 86static 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 98static 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 119static 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 132static 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 177exit: 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 187static 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 220static 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 230static 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 243static 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); 271exit: 272 return count; 273} 274 275static 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 285void 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 299static 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 387exit: 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 397static 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 404static 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 498static 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 506void 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 559static 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 636static 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 643static 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 690static 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 712static 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 748static 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 ath9k_vif_iter_data iter_data; 754 struct ath_chanctx *ctx; 755 char buf[512]; 756 unsigned int len = 0; 757 ssize_t retval = 0; 758 unsigned int reg; 759 u32 rxfilter, i; 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 i = 0; 830 ath_for_each_chanctx(sc, ctx) { 831 if (!ctx->assigned || list_empty(&ctx->vifs)) 832 continue; 833 ath9k_calculate_iter_data(sc, ctx, &iter_data); 834 835 len += scnprintf(buf + len, sizeof(buf) - len, 836 "VIF-COUNTS: CTX %i AP: %i STA: %i MESH: %i WDS: %i", 837 i++, iter_data.naps, iter_data.nstations, 838 iter_data.nmeshes, iter_data.nwds); 839 len += scnprintf(buf + len, sizeof(buf) - len, 840 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", 841 iter_data.nadhocs, sc->cur_chan->nvifs, sc->nbcnvifs); 842 } 843 844 if (len > sizeof(buf)) 845 len = sizeof(buf); 846 847 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 848 return retval; 849} 850 851static ssize_t read_file_reset(struct file *file, char __user *user_buf, 852 size_t count, loff_t *ppos) 853{ 854 struct ath_softc *sc = file->private_data; 855 char buf[512]; 856 unsigned int len = 0; 857 858 len += scnprintf(buf + len, sizeof(buf) - len, 859 "%17s: %2d\n", "Baseband Hang", 860 sc->debug.stats.reset[RESET_TYPE_BB_HANG]); 861 len += scnprintf(buf + len, sizeof(buf) - len, 862 "%17s: %2d\n", "Baseband Watchdog", 863 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); 864 len += scnprintf(buf + len, sizeof(buf) - len, 865 "%17s: %2d\n", "Fatal HW Error", 866 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); 867 len += scnprintf(buf + len, sizeof(buf) - len, 868 "%17s: %2d\n", "TX HW error", 869 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); 870 len += scnprintf(buf + len, sizeof(buf) - len, 871 "%17s: %2d\n", "TX Path Hang", 872 sc->debug.stats.reset[RESET_TYPE_TX_HANG]); 873 len += scnprintf(buf + len, sizeof(buf) - len, 874 "%17s: %2d\n", "PLL RX Hang", 875 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 876 len += scnprintf(buf + len, sizeof(buf) - len, 877 "%17s: %2d\n", "MAC Hang", 878 sc->debug.stats.reset[RESET_TYPE_MAC_HANG]); 879 len += scnprintf(buf + len, sizeof(buf) - len, 880 "%17s: %2d\n", "Stuck Beacon", 881 sc->debug.stats.reset[RESET_TYPE_BEACON_STUCK]); 882 len += scnprintf(buf + len, sizeof(buf) - len, 883 "%17s: %2d\n", "MCI Reset", 884 sc->debug.stats.reset[RESET_TYPE_MCI]); 885 886 if (len > sizeof(buf)) 887 len = sizeof(buf); 888 889 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 890} 891 892void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 893 struct ath_tx_status *ts, struct ath_txq *txq, 894 unsigned int flags) 895{ 896 int qnum = txq->axq_qnum; 897 898 TX_STAT_INC(qnum, tx_pkts_all); 899 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 900 901 if (bf_isampdu(bf)) { 902 if (flags & ATH_TX_ERROR) 903 TX_STAT_INC(qnum, a_xretries); 904 else 905 TX_STAT_INC(qnum, a_completed); 906 } else { 907 if (ts->ts_status & ATH9K_TXERR_XRETRY) 908 TX_STAT_INC(qnum, xretries); 909 else 910 TX_STAT_INC(qnum, completed); 911 } 912 913 if (ts->ts_status & ATH9K_TXERR_FILT) 914 TX_STAT_INC(qnum, txerr_filtered); 915 if (ts->ts_status & ATH9K_TXERR_FIFO) 916 TX_STAT_INC(qnum, fifo_underrun); 917 if (ts->ts_status & ATH9K_TXERR_XTXOP) 918 TX_STAT_INC(qnum, xtxop); 919 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 920 TX_STAT_INC(qnum, timer_exp); 921 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 922 TX_STAT_INC(qnum, desc_cfg_err); 923 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 924 TX_STAT_INC(qnum, data_underrun); 925 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 926 TX_STAT_INC(qnum, delim_underrun); 927} 928 929static const struct file_operations fops_xmit = { 930 .read = read_file_xmit, 931 .open = simple_open, 932 .owner = THIS_MODULE, 933 .llseek = default_llseek, 934}; 935 936static const struct file_operations fops_queues = { 937 .read = read_file_queues, 938 .open = simple_open, 939 .owner = THIS_MODULE, 940 .llseek = default_llseek, 941}; 942 943static const struct file_operations fops_misc = { 944 .read = read_file_misc, 945 .open = simple_open, 946 .owner = THIS_MODULE, 947 .llseek = default_llseek, 948}; 949 950static const struct file_operations fops_reset = { 951 .read = read_file_reset, 952 .open = simple_open, 953 .owner = THIS_MODULE, 954 .llseek = default_llseek, 955}; 956 957void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 958{ 959 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs); 960} 961 962static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 963 size_t count, loff_t *ppos) 964{ 965 struct ath_softc *sc = file->private_data; 966 char buf[32]; 967 unsigned int len; 968 969 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 970 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 971} 972 973static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 974 size_t count, loff_t *ppos) 975{ 976 struct ath_softc *sc = file->private_data; 977 unsigned long regidx; 978 char buf[32]; 979 ssize_t len; 980 981 len = min(count, sizeof(buf) - 1); 982 if (copy_from_user(buf, user_buf, len)) 983 return -EFAULT; 984 985 buf[len] = '\0'; 986 if (kstrtoul(buf, 0, ®idx)) 987 return -EINVAL; 988 989 sc->debug.regidx = regidx; 990 return count; 991} 992 993static const struct file_operations fops_regidx = { 994 .read = read_file_regidx, 995 .write = write_file_regidx, 996 .open = simple_open, 997 .owner = THIS_MODULE, 998 .llseek = default_llseek, 999}; 1000 1001static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1002 size_t count, loff_t *ppos) 1003{ 1004 struct ath_softc *sc = file->private_data; 1005 struct ath_hw *ah = sc->sc_ah; 1006 char buf[32]; 1007 unsigned int len; 1008 u32 regval; 1009 1010 ath9k_ps_wakeup(sc); 1011 regval = REG_READ_D(ah, sc->debug.regidx); 1012 ath9k_ps_restore(sc); 1013 len = sprintf(buf, "0x%08x\n", regval); 1014 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1015} 1016 1017static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1018 size_t count, loff_t *ppos) 1019{ 1020 struct ath_softc *sc = file->private_data; 1021 struct ath_hw *ah = sc->sc_ah; 1022 unsigned long regval; 1023 char buf[32]; 1024 ssize_t len; 1025 1026 len = min(count, sizeof(buf) - 1); 1027 if (copy_from_user(buf, user_buf, len)) 1028 return -EFAULT; 1029 1030 buf[len] = '\0'; 1031 if (kstrtoul(buf, 0, ®val)) 1032 return -EINVAL; 1033 1034 ath9k_ps_wakeup(sc); 1035 REG_WRITE_D(ah, sc->debug.regidx, regval); 1036 ath9k_ps_restore(sc); 1037 return count; 1038} 1039 1040static const struct file_operations fops_regval = { 1041 .read = read_file_regval, 1042 .write = write_file_regval, 1043 .open = simple_open, 1044 .owner = THIS_MODULE, 1045 .llseek = default_llseek, 1046}; 1047 1048#define REGDUMP_LINE_SIZE 20 1049 1050static int open_file_regdump(struct inode *inode, struct file *file) 1051{ 1052 struct ath_softc *sc = inode->i_private; 1053 unsigned int len = 0; 1054 u8 *buf; 1055 int i; 1056 unsigned long num_regs, regdump_len, max_reg_offset; 1057 1058 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1059 num_regs = max_reg_offset / 4 + 1; 1060 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1061 buf = vmalloc(regdump_len); 1062 if (!buf) 1063 return -ENOMEM; 1064 1065 ath9k_ps_wakeup(sc); 1066 for (i = 0; i < num_regs; i++) 1067 len += scnprintf(buf + len, regdump_len - len, 1068 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1069 ath9k_ps_restore(sc); 1070 1071 file->private_data = buf; 1072 1073 return 0; 1074} 1075 1076static const struct file_operations fops_regdump = { 1077 .open = open_file_regdump, 1078 .read = ath9k_debugfs_read_buf, 1079 .release = ath9k_debugfs_release_buf, 1080 .owner = THIS_MODULE, 1081 .llseek = default_llseek,/* read accesses f_pos */ 1082}; 1083 1084static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1085 size_t count, loff_t *ppos) 1086{ 1087 struct ath_softc *sc = file->private_data; 1088 struct ath_hw *ah = sc->sc_ah; 1089 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist; 1090 struct ath_common *common = ath9k_hw_common(ah); 1091 struct ieee80211_conf *conf = &common->hw->conf; 1092 u32 len = 0, size = 1500; 1093 u32 i, j; 1094 ssize_t retval = 0; 1095 char *buf; 1096 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1097 u8 nread; 1098 1099 buf = kzalloc(size, GFP_KERNEL); 1100 if (!buf) 1101 return -ENOMEM; 1102 1103 len += scnprintf(buf + len, size - len, 1104 "Channel Noise Floor : %d\n", ah->noise); 1105 len += scnprintf(buf + len, size - len, 1106 "Chain | privNF | # Readings | NF Readings\n"); 1107 for (i = 0; i < NUM_NF_READINGS; i++) { 1108 if (!(chainmask & (1 << i)) || 1109 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1110 continue; 1111 1112 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1113 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1114 i, h[i].privNF, nread); 1115 for (j = 0; j < nread; j++) 1116 len += scnprintf(buf + len, size - len, 1117 " %d", h[i].nfCalBuffer[j]); 1118 len += scnprintf(buf + len, size - len, "\n"); 1119 } 1120 1121 if (len > size) 1122 len = size; 1123 1124 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1125 kfree(buf); 1126 1127 return retval; 1128} 1129 1130static const struct file_operations fops_dump_nfcal = { 1131 .read = read_file_dump_nfcal, 1132 .open = simple_open, 1133 .owner = THIS_MODULE, 1134 .llseek = default_llseek, 1135}; 1136 1137#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1138static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1139 size_t count, loff_t *ppos) 1140{ 1141 struct ath_softc *sc = file->private_data; 1142 u32 len = 0, size = 1500; 1143 char *buf; 1144 size_t retval; 1145 1146 buf = kzalloc(size, GFP_KERNEL); 1147 if (buf == NULL) 1148 return -ENOMEM; 1149 1150 if (!sc->sc_ah->common.btcoex_enabled) { 1151 len = scnprintf(buf, size, "%s\n", 1152 "BTCOEX is disabled"); 1153 goto exit; 1154 } 1155 1156 len = ath9k_dump_btcoex(sc, buf, size); 1157exit: 1158 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1159 kfree(buf); 1160 1161 return retval; 1162} 1163 1164static const struct file_operations fops_btcoex = { 1165 .read = read_file_btcoex, 1166 .open = simple_open, 1167 .owner = THIS_MODULE, 1168 .llseek = default_llseek, 1169}; 1170#endif 1171 1172#ifdef CONFIG_ATH9K_DYNACK 1173static ssize_t read_file_ackto(struct file *file, char __user *user_buf, 1174 size_t count, loff_t *ppos) 1175{ 1176 struct ath_softc *sc = file->private_data; 1177 struct ath_hw *ah = sc->sc_ah; 1178 char buf[32]; 1179 unsigned int len; 1180 1181 len = sprintf(buf, "%u %c\n", ah->dynack.ackto, 1182 (ah->dynack.enabled) ? 'A' : 'S'); 1183 1184 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1185} 1186 1187static const struct file_operations fops_ackto = { 1188 .read = read_file_ackto, 1189 .open = simple_open, 1190 .owner = THIS_MODULE, 1191 .llseek = default_llseek, 1192}; 1193#endif 1194 1195/* Ethtool support for get-stats */ 1196 1197#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1198static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1199 "tx_pkts_nic", 1200 "tx_bytes_nic", 1201 "rx_pkts_nic", 1202 "rx_bytes_nic", 1203 AMKSTR(d_tx_pkts), 1204 AMKSTR(d_tx_bytes), 1205 AMKSTR(d_tx_mpdus_queued), 1206 AMKSTR(d_tx_mpdus_completed), 1207 AMKSTR(d_tx_mpdu_xretries), 1208 AMKSTR(d_tx_aggregates), 1209 AMKSTR(d_tx_ampdus_queued_hw), 1210 AMKSTR(d_tx_ampdus_queued_sw), 1211 AMKSTR(d_tx_ampdus_completed), 1212 AMKSTR(d_tx_ampdu_retries), 1213 AMKSTR(d_tx_ampdu_xretries), 1214 AMKSTR(d_tx_fifo_underrun), 1215 AMKSTR(d_tx_op_exceeded), 1216 AMKSTR(d_tx_timer_expiry), 1217 AMKSTR(d_tx_desc_cfg_err), 1218 AMKSTR(d_tx_data_underrun), 1219 AMKSTR(d_tx_delim_underrun), 1220 "d_rx_crc_err", 1221 "d_rx_decrypt_crc_err", 1222 "d_rx_phy_err", 1223 "d_rx_mic_err", 1224 "d_rx_pre_delim_crc_err", 1225 "d_rx_post_delim_crc_err", 1226 "d_rx_decrypt_busy_err", 1227 1228 "d_rx_phyerr_radar", 1229 "d_rx_phyerr_ofdm_timing", 1230 "d_rx_phyerr_cck_timing", 1231 1232}; 1233#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1234 1235void ath9k_get_et_strings(struct ieee80211_hw *hw, 1236 struct ieee80211_vif *vif, 1237 u32 sset, u8 *data) 1238{ 1239 if (sset == ETH_SS_STATS) 1240 memcpy(data, *ath9k_gstrings_stats, 1241 sizeof(ath9k_gstrings_stats)); 1242} 1243 1244int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1245 struct ieee80211_vif *vif, int sset) 1246{ 1247 if (sset == ETH_SS_STATS) 1248 return ATH9K_SSTATS_LEN; 1249 return 0; 1250} 1251 1252#define AWDATA(elem) \ 1253 do { \ 1254 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1255 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1256 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1257 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1258 } while (0) 1259 1260#define AWDATA_RX(elem) \ 1261 do { \ 1262 data[i++] = sc->debug.stats.rxstats.elem; \ 1263 } while (0) 1264 1265void ath9k_get_et_stats(struct ieee80211_hw *hw, 1266 struct ieee80211_vif *vif, 1267 struct ethtool_stats *stats, u64 *data) 1268{ 1269 struct ath_softc *sc = hw->priv; 1270 int i = 0; 1271 1272 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1273 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1274 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1275 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1276 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1277 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1278 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1279 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1280 AWDATA_RX(rx_pkts_all); 1281 AWDATA_RX(rx_bytes_all); 1282 1283 AWDATA(tx_pkts_all); 1284 AWDATA(tx_bytes_all); 1285 AWDATA(queued); 1286 AWDATA(completed); 1287 AWDATA(xretries); 1288 AWDATA(a_aggr); 1289 AWDATA(a_queued_hw); 1290 AWDATA(a_queued_sw); 1291 AWDATA(a_completed); 1292 AWDATA(a_retries); 1293 AWDATA(a_xretries); 1294 AWDATA(fifo_underrun); 1295 AWDATA(xtxop); 1296 AWDATA(timer_exp); 1297 AWDATA(desc_cfg_err); 1298 AWDATA(data_underrun); 1299 AWDATA(delim_underrun); 1300 1301 AWDATA_RX(crc_err); 1302 AWDATA_RX(decrypt_crc_err); 1303 AWDATA_RX(phy_err); 1304 AWDATA_RX(mic_err); 1305 AWDATA_RX(pre_delim_crc_err); 1306 AWDATA_RX(post_delim_crc_err); 1307 AWDATA_RX(decrypt_busy_err); 1308 1309 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 1310 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 1311 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 1312 1313 WARN_ON(i != ATH9K_SSTATS_LEN); 1314} 1315 1316void ath9k_deinit_debug(struct ath_softc *sc) 1317{ 1318 ath9k_spectral_deinit_debug(sc); 1319} 1320 1321int ath9k_init_debug(struct ath_hw *ah) 1322{ 1323 struct ath_common *common = ath9k_hw_common(ah); 1324 struct ath_softc *sc = (struct ath_softc *) common->priv; 1325 1326 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1327 sc->hw->wiphy->debugfsdir); 1328 if (!sc->debug.debugfs_phy) 1329 return -ENOMEM; 1330 1331#ifdef CONFIG_ATH_DEBUG 1332 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1333 sc, &fops_debug); 1334#endif 1335 1336 ath9k_dfs_init_debug(sc); 1337 ath9k_tx99_init_debug(sc); 1338 ath9k_spectral_init_debug(sc); 1339 1340 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 1341 &fops_dma); 1342 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 1343 &fops_interrupt); 1344 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 1345 &fops_xmit); 1346 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc, 1347 &fops_queues); 1348 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1349 &sc->tx.txq_max_pending[IEEE80211_AC_BK]); 1350 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1351 &sc->tx.txq_max_pending[IEEE80211_AC_BE]); 1352 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1353 &sc->tx.txq_max_pending[IEEE80211_AC_VI]); 1354 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1355 &sc->tx.txq_max_pending[IEEE80211_AC_VO]); 1356 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 1357 &fops_misc); 1358 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, 1359 &fops_reset); 1360 1361 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1362 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); 1363 1364 debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy, 1365 &ah->rxchainmask); 1366 debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy, 1367 &ah->txchainmask); 1368 debugfs_create_file("ani", S_IRUSR | S_IWUSR, 1369 sc->debug.debugfs_phy, sc, &fops_ani); 1370 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1371 &sc->sc_ah->config.enable_paprd); 1372 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1373 sc, &fops_regidx); 1374 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1375 sc, &fops_regval); 1376 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 1377 sc->debug.debugfs_phy, 1378 &ah->config.cwm_ignore_extcca); 1379 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 1380 &fops_regdump); 1381 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 1382 &fops_dump_nfcal); 1383 1384 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1385 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah); 1386 1387 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 1388 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1389 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 1390 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1391 debugfs_create_file("antenna_diversity", S_IRUSR, 1392 sc->debug.debugfs_phy, sc, &fops_antenna_diversity); 1393#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1394 debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR, 1395 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity); 1396 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc, 1397 &fops_btcoex); 1398#endif 1399 1400#ifdef CONFIG_ATH9K_DYNACK 1401 debugfs_create_file("ack_to", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1402 sc, &fops_ackto); 1403#endif 1404 1405 return 0; 1406} 1407