drivers/net/wireless/ath/ath9k/debug.c

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/slab.h>
  18 #include <linux/vmalloc.h>
  19 #include <linux/export.h>
  20 #include <linux/relay.h>
  21 #include <asm/unaligned.h>
  22
  23 #include "ath9k.h"
  24
  25 #define REG_WRITE_D(_ah, _reg, _val) \
  26         ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  27 #define REG_READ_D(_ah, _reg) \
  28         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  29
  30
  31 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  32                                       size_t count, loff_t *ppos)
  33 {
  34         u8 *buf = file->private_data;
  35         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  36 }
  37
  38 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  39 {
  40         vfree(file->private_data);
  41         return 0;
  42 }
  43
  44 #ifdef CONFIG_ATH_DEBUG
  45
  46 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  47                              size_t count, loff_t *ppos)
  48 {
  49         struct ath_softc *sc = file->private_data;
  50         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  51         char buf[32];
  52         unsigned int len;
  53
  54         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  55         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  56 }
  57
  58 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  59                              size_t count, loff_t *ppos)
  60 {
  61         struct ath_softc *sc = file->private_data;
  62         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  63         unsigned long mask;
  64         char buf[32];
  65         ssize_t len;
  66
  67         len = min(count, sizeof(buf) - 1);
  68         if (copy_from_user(buf, user_buf, len))
  69                 return -EFAULT;
  70
  71         buf[len] = '\0';
  72         if (strict_strtoul(buf, 0, &mask))
  73                 return -EINVAL;
  74
  75         common->debug_mask = mask;
  76         return count;
  77 }
  78
  79 static const struct file_operations fops_debug = {
  80         .read = read_file_debug,
  81         .write = write_file_debug,
  82         .open = simple_open,
  83         .owner = THIS_MODULE,
  84         .llseek = default_llseek,
  85 };
  86
  87 #endif
  88
  89 #define DMA_BUF_LEN 1024
  90
  91 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
  92                              size_t count, loff_t *ppos)
  93 {
  94         struct ath_softc *sc = file->private_data;
  95         struct ath_hw *ah = sc->sc_ah;
  96         char buf[32];
  97         unsigned int len;
  98
  99         len = sprintf(buf, "0x%08x\n", ah->txchainmask);
 100         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 101 }
 102
 103 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
 104                              size_t count, loff_t *ppos)
 105 {
 106         struct ath_softc *sc = file->private_data;
 107         struct ath_hw *ah = sc->sc_ah;
 108         unsigned long mask;
 109         char buf[32];
 110         ssize_t len;
 111
 112         len = min(count, sizeof(buf) - 1);
 113         if (copy_from_user(buf, user_buf, len))
 114                 return -EFAULT;
 115
 116         buf[len] = '\0';
 117         if (strict_strtoul(buf, 0, &mask))
 118                 return -EINVAL;
 119
 120         ah->txchainmask = mask;
 121         ah->caps.tx_chainmask = mask;
 122         return count;
 123 }
 124
 125 static const struct file_operations fops_tx_chainmask = {
 126         .read = read_file_tx_chainmask,
 127         .write = write_file_tx_chainmask,
 128         .open = simple_open,
 129         .owner = THIS_MODULE,
 130         .llseek = default_llseek,
 131 };
 132
 133
 134 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
 135                              size_t count, loff_t *ppos)
 136 {
 137         struct ath_softc *sc = file->private_data;
 138         struct ath_hw *ah = sc->sc_ah;
 139         char buf[32];
 140         unsigned int len;
 141
 142         len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
 143         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 144 }
 145
 146 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
 147                              size_t count, loff_t *ppos)
 148 {
 149         struct ath_softc *sc = file->private_data;
 150         struct ath_hw *ah = sc->sc_ah;
 151         unsigned long mask;
 152         char buf[32];
 153         ssize_t len;
 154
 155         len = min(count, sizeof(buf) - 1);
 156         if (copy_from_user(buf, user_buf, len))
 157                 return -EFAULT;
 158
 159         buf[len] = '\0';
 160         if (strict_strtoul(buf, 0, &mask))
 161                 return -EINVAL;
 162
 163         ah->rxchainmask = mask;
 164         ah->caps.rx_chainmask = mask;
 165         return count;
 166 }
 167
 168 static const struct file_operations fops_rx_chainmask = {
 169         .read = read_file_rx_chainmask,
 170         .write = write_file_rx_chainmask,
 171         .open = simple_open,
 172         .owner = THIS_MODULE,
 173         .llseek = default_llseek,
 174 };
 175
 176 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
 177                              size_t count, loff_t *ppos)
 178 {
 179         struct ath_softc *sc = file->private_data;
 180         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 181         char buf[32];
 182         unsigned int len;
 183
 184         len = sprintf(buf, "%d\n", common->disable_ani);
 185         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 186 }
 187
 188 static ssize_t write_file_disable_ani(struct file *file,
 189                                       const char __user *user_buf,
 190                                       size_t count, loff_t *ppos)
 191 {
 192         struct ath_softc *sc = file->private_data;
 193         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 194         unsigned long disable_ani;
 195         char buf[32];
 196         ssize_t len;
 197
 198         len = min(count, sizeof(buf) - 1);
 199         if (copy_from_user(buf, user_buf, len))
 200                 return -EFAULT;
 201
 202         buf[len] = '\0';
 203         if (strict_strtoul(buf, 0, &disable_ani))
 204                 return -EINVAL;
 205
 206         common->disable_ani = !!disable_ani;
 207
 208         if (disable_ani) {
 209                 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 210                 ath_stop_ani(sc);
 211         } else {
 212                 ath_check_ani(sc);
 213         }
 214
 215         return count;
 216 }
 217
 218 static const struct file_operations fops_disable_ani = {
 219         .read = read_file_disable_ani,
 220         .write = write_file_disable_ani,
 221         .open = simple_open,
 222         .owner = THIS_MODULE,
 223         .llseek = default_llseek,
 224 };
 225
 226 static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
 227                                        size_t count, loff_t *ppos)
 228 {
 229         struct ath_softc *sc = file->private_data;
 230         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 231         char buf[32];
 232         unsigned int len;
 233
 234         len = sprintf(buf, "%d\n", common->antenna_diversity);
 235         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 236 }
 237
 238 static ssize_t write_file_ant_diversity(struct file *file,
 239                                         const char __user *user_buf,
 240                                         size_t count, loff_t *ppos)
 241 {
 242         struct ath_softc *sc = file->private_data;
 243         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 244         unsigned long antenna_diversity;
 245         char buf[32];
 246         ssize_t len;
 247
 248         len = min(count, sizeof(buf) - 1);
 249         if (copy_from_user(buf, user_buf, len))
 250                 return -EFAULT;
 251
 252         if (!AR_SREV_9565(sc->sc_ah))
 253                 goto exit;
 254
 255         buf[len] = '\0';
 256         if (strict_strtoul(buf, 0, &antenna_diversity))
 257                 return -EINVAL;
 258
 259         common->antenna_diversity = !!antenna_diversity;
 260         ath9k_ps_wakeup(sc);
 261         ath_ant_comb_update(sc);
 262         ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
 263                 common->antenna_diversity);
 264         ath9k_ps_restore(sc);
 265 exit:
 266         return count;
 267 }
 268
 269 static const struct file_operations fops_ant_diversity = {
 270         .read = read_file_ant_diversity,
 271         .write = write_file_ant_diversity,
 272         .open = simple_open,
 273         .owner = THIS_MODULE,
 274         .llseek = default_llseek,
 275 };
 276
 277 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 278                              size_t count, loff_t *ppos)
 279 {
 280         struct ath_softc *sc = file->private_data;
 281         struct ath_hw *ah = sc->sc_ah;
 282         char *buf;
 283         int retval;
 284         unsigned int len = 0;
 285         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 286         int i, qcuOffset = 0, dcuOffset = 0;
 287         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 288
 289         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 290         if (!buf)
 291                 return -ENOMEM;
 292
 293         ath9k_ps_wakeup(sc);
 294
 295         REG_WRITE_D(ah, AR_MACMISC,
 296                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 297                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 298                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 299
 300         len += snprintf(buf + len, DMA_BUF_LEN - len,
 301                         "Raw DMA Debug values:\n");
 302
 303         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 304                 if (i % 4 == 0)
 305                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 306
 307                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 308                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 309                                 i, val[i]);
 310         }
 311
 312         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 313         len += snprintf(buf + len, DMA_BUF_LEN - len,
 314                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 315
 316         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 317                 if (i == 8) {
 318                         qcuOffset = 0;
 319                         qcuBase++;
 320                 }
 321
 322                 if (i == 6) {
 323                         dcuOffset = 0;
 324                         dcuBase++;
 325                 }
 326
 327                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 328                         "%2d          %2x      %1x     %2x           %2x\n",
 329                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 330                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 331                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 332                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 333         }
 334
 335         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 336
 337         len += snprintf(buf + len, DMA_BUF_LEN - len,
 338                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 339                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 340         len += snprintf(buf + len, DMA_BUF_LEN - len,
 341                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 342                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 343         len += snprintf(buf + len, DMA_BUF_LEN - len,
 344                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 345                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 346         len += snprintf(buf + len, DMA_BUF_LEN - len,
 347                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 348                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 349         len += snprintf(buf + len, DMA_BUF_LEN - len,
 350                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 351                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 352         len += snprintf(buf + len, DMA_BUF_LEN - len,
 353                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 354                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 355
 356         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 357                         REG_READ_D(ah, AR_OBS_BUS_1));
 358         len += snprintf(buf + len, DMA_BUF_LEN - len,
 359                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 360
 361         ath9k_ps_restore(sc);
 362
 363         if (len > DMA_BUF_LEN)
 364                 len = DMA_BUF_LEN;
 365
 366         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 367         kfree(buf);
 368         return retval;
 369 }
 370
 371 static const struct file_operations fops_dma = {
 372         .read = read_file_dma,
 373         .open = simple_open,
 374         .owner = THIS_MODULE,
 375         .llseek = default_llseek,
 376 };
 377
 378
 379 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 380 {
 381         if (status)
 382                 sc->debug.stats.istats.total++;
 383         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 384                 if (status & ATH9K_INT_RXLP)
 385                         sc->debug.stats.istats.rxlp++;
 386                 if (status & ATH9K_INT_RXHP)
 387                         sc->debug.stats.istats.rxhp++;
 388                 if (status & ATH9K_INT_BB_WATCHDOG)
 389                         sc->debug.stats.istats.bb_watchdog++;
 390         } else {
 391                 if (status & ATH9K_INT_RX)
 392                         sc->debug.stats.istats.rxok++;
 393         }
 394         if (status & ATH9K_INT_RXEOL)
 395                 sc->debug.stats.istats.rxeol++;
 396         if (status & ATH9K_INT_RXORN)
 397                 sc->debug.stats.istats.rxorn++;
 398         if (status & ATH9K_INT_TX)
 399                 sc->debug.stats.istats.txok++;
 400         if (status & ATH9K_INT_TXURN)
 401                 sc->debug.stats.istats.txurn++;
 402         if (status & ATH9K_INT_RXPHY)
 403                 sc->debug.stats.istats.rxphyerr++;
 404         if (status & ATH9K_INT_RXKCM)
 405                 sc->debug.stats.istats.rx_keycache_miss++;
 406         if (status & ATH9K_INT_SWBA)
 407                 sc->debug.stats.istats.swba++;
 408         if (status & ATH9K_INT_BMISS)
 409                 sc->debug.stats.istats.bmiss++;
 410         if (status & ATH9K_INT_BNR)
 411                 sc->debug.stats.istats.bnr++;
 412         if (status & ATH9K_INT_CST)
 413                 sc->debug.stats.istats.cst++;
 414         if (status & ATH9K_INT_GTT)
 415                 sc->debug.stats.istats.gtt++;
 416         if (status & ATH9K_INT_TIM)
 417                 sc->debug.stats.istats.tim++;
 418         if (status & ATH9K_INT_CABEND)
 419                 sc->debug.stats.istats.cabend++;
 420         if (status & ATH9K_INT_DTIMSYNC)
 421                 sc->debug.stats.istats.dtimsync++;
 422         if (status & ATH9K_INT_DTIM)
 423                 sc->debug.stats.istats.dtim++;
 424         if (status & ATH9K_INT_TSFOOR)
 425                 sc->debug.stats.istats.tsfoor++;
 426         if (status & ATH9K_INT_MCI)
 427                 sc->debug.stats.istats.mci++;
 428         if (status & ATH9K_INT_GENTIMER)
 429                 sc->debug.stats.istats.gen_timer++;
 430 }
 431
 432 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 433                                    size_t count, loff_t *ppos)
 434 {
 435         struct ath_softc *sc = file->private_data;
 436         unsigned int len = 0;
 437         int rv;
 438         int mxlen = 4000;
 439         char *buf = kmalloc(mxlen, GFP_KERNEL);
 440         if (!buf)
 441                 return -ENOMEM;
 442
 443 #define PR_IS(a, s)                                             \
 444         do {                                                    \
 445                 len += snprintf(buf + len, mxlen - len,         \
 446                                 "%21s: %10u\n", a,              \
 447                                 sc->debug.stats.istats.s);      \
 448         } while (0)
 449
 450         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 451                 PR_IS("RXLP", rxlp);
 452                 PR_IS("RXHP", rxhp);
 453                 PR_IS("WATHDOG", bb_watchdog);
 454         } else {
 455                 PR_IS("RX", rxok);
 456         }
 457         PR_IS("RXEOL", rxeol);
 458         PR_IS("RXORN", rxorn);
 459         PR_IS("TX", txok);
 460         PR_IS("TXURN", txurn);
 461         PR_IS("MIB", mib);
 462         PR_IS("RXPHY", rxphyerr);
 463         PR_IS("RXKCM", rx_keycache_miss);
 464         PR_IS("SWBA", swba);
 465         PR_IS("BMISS", bmiss);
 466         PR_IS("BNR", bnr);
 467         PR_IS("CST", cst);
 468         PR_IS("GTT", gtt);
 469         PR_IS("TIM", tim);
 470         PR_IS("CABEND", cabend);
 471         PR_IS("DTIMSYNC", dtimsync);
 472         PR_IS("DTIM", dtim);
 473         PR_IS("TSFOOR", tsfoor);
 474         PR_IS("MCI", mci);
 475         PR_IS("GENTIMER", gen_timer);
 476         PR_IS("TOTAL", total);
 477
 478         len += snprintf(buf + len, mxlen - len,
 479                         "SYNC_CAUSE stats:\n");
 480
 481         PR_IS("Sync-All", sync_cause_all);
 482         PR_IS("RTC-IRQ", sync_rtc_irq);
 483         PR_IS("MAC-IRQ", sync_mac_irq);
 484         PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 485         PR_IS("APB-Timeout", apb_timeout);
 486         PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 487         PR_IS("HOST1-Fatal", host1_fatal);
 488         PR_IS("HOST1-Perr", host1_perr);
 489         PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 490         PR_IS("RADM-CPL-EP", radm_cpl_ep);
 491         PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 492         PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 493         PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 494         PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 495         PR_IS("Local-Bus-Timeout", local_timeout);
 496         PR_IS("PM-Access", pm_access);
 497         PR_IS("MAC-Awake", mac_awake);
 498         PR_IS("MAC-Asleep", mac_asleep);
 499         PR_IS("MAC-Sleep-Access", mac_sleep_access);
 500
 501         if (len > mxlen)
 502                 len = mxlen;
 503
 504         rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 505         kfree(buf);
 506         return rv;
 507 }
 508
 509 static const struct file_operations fops_interrupt = {
 510         .read = read_file_interrupt,
 511         .open = simple_open,
 512         .owner = THIS_MODULE,
 513         .llseek = default_llseek,
 514 };
 515
 516 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 517                               size_t count, loff_t *ppos)
 518 {
 519         struct ath_softc *sc = file->private_data;
 520         char *buf;
 521         unsigned int len = 0, size = 2048;
 522         ssize_t retval = 0;
 523
 524         buf = kzalloc(size, GFP_KERNEL);
 525         if (buf == NULL)
 526                 return -ENOMEM;
 527
 528         len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 529                        "BE", "BK", "VI", "VO");
 530
 531         PR("MPDUs Queued:    ", queued);
 532         PR("MPDUs Completed: ", completed);
 533         PR("MPDUs XRetried:  ", xretries);
 534         PR("Aggregates:      ", a_aggr);
 535         PR("AMPDUs Queued HW:", a_queued_hw);
 536         PR("AMPDUs Queued SW:", a_queued_sw);
 537         PR("AMPDUs Completed:", a_completed);
 538         PR("AMPDUs Retried:  ", a_retries);
 539         PR("AMPDUs XRetried: ", a_xretries);
 540         PR("TXERR Filtered:  ", txerr_filtered);
 541         PR("FIFO Underrun:   ", fifo_underrun);
 542         PR("TXOP Exceeded:   ", xtxop);
 543         PR("TXTIMER Expiry:  ", timer_exp);
 544         PR("DESC CFG Error:  ", desc_cfg_err);
 545         PR("DATA Underrun:   ", data_underrun);
 546         PR("DELIM Underrun:  ", delim_underrun);
 547         PR("TX-Pkts-All:     ", tx_pkts_all);
 548         PR("TX-Bytes-All:    ", tx_bytes_all);
 549         PR("HW-put-tx-buf:   ", puttxbuf);
 550         PR("HW-tx-start:     ", txstart);
 551         PR("HW-tx-proc-desc: ", txprocdesc);
 552         PR("TX-Failed:       ", txfailed);
 553
 554         if (len > size)
 555                 len = size;
 556
 557         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 558         kfree(buf);
 559
 560         return retval;
 561 }
 562
 563 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
 564                                 size_t count, loff_t *ppos)
 565 {
 566         struct ath_softc *sc = file->private_data;
 567         struct ath_txq *txq;
 568         char *buf;
 569         unsigned int len = 0, size = 1024;
 570         ssize_t retval = 0;
 571         int i;
 572         char *qname[4] = {"VO", "VI", "BE", "BK"};
 573
 574         buf = kzalloc(size, GFP_KERNEL);
 575         if (buf == NULL)
 576                 return -ENOMEM;
 577
 578         for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 579                 txq = sc->tx.txq_map[i];
 580                 len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
 581
 582                 ath_txq_lock(sc, txq);
 583
 584                 len += snprintf(buf + len, size - len, "%s: %d ",
 585                                 "qnum", txq->axq_qnum);
 586                 len += snprintf(buf + len, size - len, "%s: %2d ",
 587                                 "qdepth", txq->axq_depth);
 588                 len += snprintf(buf + len, size - len, "%s: %2d ",
 589                                 "ampdu-depth", txq->axq_ampdu_depth);
 590                 len += snprintf(buf + len, size - len, "%s: %3d ",
 591                                 "pending", txq->pending_frames);
 592                 len += snprintf(buf + len, size - len, "%s: %d\n",
 593                                 "stopped", txq->stopped);
 594
 595                 ath_txq_unlock(sc, txq);
 596         }
 597
 598         if (len > size)
 599                 len = size;
 600
 601         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 602         kfree(buf);
 603
 604         return retval;
 605 }
 606
 607 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 608                               size_t count, loff_t *ppos)
 609 {
 610         struct ath_softc *sc = file->private_data;
 611         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 612         struct ieee80211_hw *hw = sc->hw;
 613         struct ath9k_vif_iter_data iter_data;
 614         char buf[512];
 615         unsigned int len = 0;
 616         ssize_t retval = 0;
 617         unsigned int reg;
 618         u32 rxfilter;
 619
 620         len += snprintf(buf + len, sizeof(buf) - len,
 621                         "BSSID: %pM\n", common->curbssid);
 622         len += snprintf(buf + len, sizeof(buf) - len,
 623                         "BSSID-MASK: %pM\n", common->bssidmask);
 624         len += snprintf(buf + len, sizeof(buf) - len,
 625                         "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 626
 627         ath9k_ps_wakeup(sc);
 628         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 629         ath9k_ps_restore(sc);
 630
 631         len += snprintf(buf + len, sizeof(buf) - len,
 632                         "RXFILTER: 0x%x", rxfilter);
 633
 634         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 635                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 636         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 637                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 638         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 639                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 640         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 641                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 642         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 643                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 644         if (rxfilter & ATH9K_RX_FILTER_PROM)
 645                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 646         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 647                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 648         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 649                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 650         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 651                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 652         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 653                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 654         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 655                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 656         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 657                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 658         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 659                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 660         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 661                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 662
 663         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 664
 665         reg = sc->sc_ah->imask;
 666
 667         len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
 668
 669         if (reg & ATH9K_INT_SWBA)
 670                 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 671         if (reg & ATH9K_INT_BMISS)
 672                 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 673         if (reg & ATH9K_INT_CST)
 674                 len += snprintf(buf + len, sizeof(buf) - len, " CST");
 675         if (reg & ATH9K_INT_RX)
 676                 len += snprintf(buf + len, sizeof(buf) - len, " RX");
 677         if (reg & ATH9K_INT_RXHP)
 678                 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 679         if (reg & ATH9K_INT_RXLP)
 680                 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 681         if (reg & ATH9K_INT_BB_WATCHDOG)
 682                 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 683
 684         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 685
 686         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 687
 688         len += snprintf(buf + len, sizeof(buf) - len,
 689                         "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 690                         " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 691                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 692                         iter_data.nwds, iter_data.nadhocs,
 693                         sc->nvifs, sc->nbcnvifs);
 694
 695         if (len > sizeof(buf))
 696                 len = sizeof(buf);
 697
 698         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 699         return retval;
 700 }
 701
 702 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 703                                size_t count, loff_t *ppos)
 704 {
 705         struct ath_softc *sc = file->private_data;
 706         char buf[512];
 707         unsigned int len = 0;
 708
 709         len += snprintf(buf + len, sizeof(buf) - len,
 710                         "%17s: %2d\n", "Baseband Hang",
 711                         sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 712         len += snprintf(buf + len, sizeof(buf) - len,
 713                         "%17s: %2d\n", "Baseband Watchdog",
 714                         sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 715         len += snprintf(buf + len, sizeof(buf) - len,
 716                         "%17s: %2d\n", "Fatal HW Error",
 717                         sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 718         len += snprintf(buf + len, sizeof(buf) - len,
 719                         "%17s: %2d\n", "TX HW error",
 720                         sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 721         len += snprintf(buf + len, sizeof(buf) - len,
 722                         "%17s: %2d\n", "TX Path Hang",
 723                         sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 724         len += snprintf(buf + len, sizeof(buf) - len,
 725                         "%17s: %2d\n", "PLL RX Hang",
 726                         sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 727         len += snprintf(buf + len, sizeof(buf) - len,
 728                         "%17s: %2d\n", "MCI Reset",
 729                         sc->debug.stats.reset[RESET_TYPE_MCI]);
 730
 731         if (len > sizeof(buf))
 732                 len = sizeof(buf);
 733
 734         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 735 }
 736
 737 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 738                        struct ath_tx_status *ts, struct ath_txq *txq,
 739                        unsigned int flags)
 740 {
 741         int qnum = txq->axq_qnum;
 742
 743         TX_STAT_INC(qnum, tx_pkts_all);
 744         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 745
 746         if (bf_isampdu(bf)) {
 747                 if (flags & ATH_TX_ERROR)
 748                         TX_STAT_INC(qnum, a_xretries);
 749                 else
 750                         TX_STAT_INC(qnum, a_completed);
 751         } else {
 752                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 753                         TX_STAT_INC(qnum, xretries);
 754                 else
 755                         TX_STAT_INC(qnum, completed);
 756         }
 757
 758         if (ts->ts_status & ATH9K_TXERR_FILT)
 759                 TX_STAT_INC(qnum, txerr_filtered);
 760         if (ts->ts_status & ATH9K_TXERR_FIFO)
 761                 TX_STAT_INC(qnum, fifo_underrun);
 762         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 763                 TX_STAT_INC(qnum, xtxop);
 764         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 765                 TX_STAT_INC(qnum, timer_exp);
 766         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 767                 TX_STAT_INC(qnum, desc_cfg_err);
 768         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 769                 TX_STAT_INC(qnum, data_underrun);
 770         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 771                 TX_STAT_INC(qnum, delim_underrun);
 772 }
 773
 774 static const struct file_operations fops_xmit = {
 775         .read = read_file_xmit,
 776         .open = simple_open,
 777         .owner = THIS_MODULE,
 778         .llseek = default_llseek,
 779 };
 780
 781 static const struct file_operations fops_queues = {
 782         .read = read_file_queues,
 783         .open = simple_open,
 784         .owner = THIS_MODULE,
 785         .llseek = default_llseek,
 786 };
 787
 788 static const struct file_operations fops_misc = {
 789         .read = read_file_misc,
 790         .open = simple_open,
 791         .owner = THIS_MODULE,
 792         .llseek = default_llseek,
 793 };
 794
 795 static const struct file_operations fops_reset = {
 796         .read = read_file_reset,
 797         .open = simple_open,
 798         .owner = THIS_MODULE,
 799         .llseek = default_llseek,
 800 };
 801
 802 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 803                               size_t count, loff_t *ppos)
 804 {
 805 #define PHY_ERR(s, p) \
 806         len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 807                         sc->debug.stats.rxstats.phy_err_stats[p]);
 808
 809 #define RXS_ERR(s, e)                                       \
 810         do {                                                \
 811                 len += snprintf(buf + len, size - len,      \
 812                                 "%22s : %10u\n", s,         \
 813                                 sc->debug.stats.rxstats.e); \
 814         } while (0)
 815
 816         struct ath_softc *sc = file->private_data;
 817         char *buf;
 818         unsigned int len = 0, size = 1600;
 819         ssize_t retval = 0;
 820
 821         buf = kzalloc(size, GFP_KERNEL);
 822         if (buf == NULL)
 823                 return -ENOMEM;
 824
 825         RXS_ERR("CRC ERR", crc_err);
 826         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 827         RXS_ERR("PHY ERR", phy_err);
 828         RXS_ERR("MIC ERR", mic_err);
 829         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 830         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 831         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 832         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 833         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 834         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 835         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 836
 837         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 838         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 839         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 840         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 841         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 842         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 843         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 844         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 845         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 846         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 847         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 848         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 849         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 850         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 851         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 852         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 853         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 854         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 855         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 856         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 857         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 858         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 859         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 860         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 861         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 862         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 863
 864         RXS_ERR("RX-Pkts-All", rx_pkts_all);
 865         RXS_ERR("RX-Bytes-All", rx_bytes_all);
 866         RXS_ERR("RX-Beacons", rx_beacons);
 867         RXS_ERR("RX-Frags", rx_frags);
 868         RXS_ERR("RX-Spectral", rx_spectral);
 869
 870         if (len > size)
 871                 len = size;
 872
 873         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 874         kfree(buf);
 875
 876         return retval;
 877
 878 #undef RXS_ERR
 879 #undef PHY_ERR
 880 }
 881
 882 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 883 {
 884 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 885
 886         RX_STAT_INC(rx_pkts_all);
 887         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 888
 889         if (rs->rs_status & ATH9K_RXERR_CRC)
 890                 RX_STAT_INC(crc_err);
 891         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 892                 RX_STAT_INC(decrypt_crc_err);
 893         if (rs->rs_status & ATH9K_RXERR_MIC)
 894                 RX_STAT_INC(mic_err);
 895         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 896                 RX_STAT_INC(pre_delim_crc_err);
 897         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 898                 RX_STAT_INC(post_delim_crc_err);
 899         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 900                 RX_STAT_INC(decrypt_busy_err);
 901
 902         if (rs->rs_status & ATH9K_RXERR_PHY) {
 903                 RX_STAT_INC(phy_err);
 904                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
 905                         RX_PHY_ERR_INC(rs->rs_phyerr);
 906         }
 907
 908 #undef RX_PHY_ERR_INC
 909 }
 910
 911 static const struct file_operations fops_recv = {
 912         .read = read_file_recv,
 913         .open = simple_open,
 914         .owner = THIS_MODULE,
 915         .llseek = default_llseek,
 916 };
 917
 918 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
 919                                        size_t count, loff_t *ppos)
 920 {
 921         struct ath_softc *sc = file->private_data;
 922         char *mode = "";
 923         unsigned int len;
 924
 925         switch (sc->spectral_mode) {
 926         case SPECTRAL_DISABLED:
 927                 mode = "disable";
 928                 break;
 929         case SPECTRAL_BACKGROUND:
 930                 mode = "background";
 931                 break;
 932         case SPECTRAL_CHANSCAN:
 933                 mode = "chanscan";
 934                 break;
 935         case SPECTRAL_MANUAL:
 936                 mode = "manual";
 937                 break;
 938         }
 939         len = strlen(mode);
 940         return simple_read_from_buffer(user_buf, count, ppos, mode, len);
 941 }
 942
 943 static ssize_t write_file_spec_scan_ctl(struct file *file,
 944                                         const char __user *user_buf,
 945                                         size_t count, loff_t *ppos)
 946 {
 947         struct ath_softc *sc = file->private_data;
 948         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 949         char buf[32];
 950         ssize_t len;
 951
 952         len = min(count, sizeof(buf) - 1);
 953         if (copy_from_user(buf, user_buf, len))
 954                 return -EFAULT;
 955
 956         buf[len] = '\0';
 957
 958         if (strncmp("trigger", buf, 7) == 0) {
 959                 ath9k_spectral_scan_trigger(sc->hw);
 960         } else if (strncmp("background", buf, 9) == 0) {
 961                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
 962                 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
 963         } else if (strncmp("chanscan", buf, 8) == 0) {
 964                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
 965                 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
 966         } else if (strncmp("manual", buf, 6) == 0) {
 967                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
 968                 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
 969         } else if (strncmp("disable", buf, 7) == 0) {
 970                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
 971                 ath_dbg(common, CONFIG, "spectral scan: disabled\n");
 972         } else {
 973                 return -EINVAL;
 974         }
 975
 976         return count;
 977 }
 978
 979 static const struct file_operations fops_spec_scan_ctl = {
 980         .read = read_file_spec_scan_ctl,
 981         .write = write_file_spec_scan_ctl,
 982         .open = simple_open,
 983         .owner = THIS_MODULE,
 984         .llseek = default_llseek,
 985 };
 986
 987 static ssize_t read_file_spectral_short_repeat(struct file *file,
 988                                                char __user *user_buf,
 989                                                size_t count, loff_t *ppos)
 990 {
 991         struct ath_softc *sc = file->private_data;
 992         char buf[32];
 993         unsigned int len;
 994
 995         len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
 996         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 997 }
 998
 999 static ssize_t write_file_spectral_short_repeat(struct file *file,
1000                                                 const char __user *user_buf,
1001                                                 size_t count, loff_t *ppos)
1002 {
1003         struct ath_softc *sc = file->private_data;
1004         unsigned long val;
1005         char buf[32];
1006         ssize_t len;
1007
1008         len = min(count, sizeof(buf) - 1);
1009         if (copy_from_user(buf, user_buf, len))
1010                 return -EFAULT;
1011
1012         buf[len] = '\0';
1013         if (kstrtoul(buf, 0, &val))
1014                 return -EINVAL;
1015
1016         if (val < 0 || val > 1)
1017                 return -EINVAL;
1018
1019         sc->spec_config.short_repeat = val;
1020         return count;
1021 }
1022
1023 static const struct file_operations fops_spectral_short_repeat = {
1024         .read = read_file_spectral_short_repeat,
1025         .write = write_file_spectral_short_repeat,
1026         .open = simple_open,
1027         .owner = THIS_MODULE,
1028         .llseek = default_llseek,
1029 };
1030
1031 static ssize_t read_file_spectral_count(struct file *file,
1032                                         char __user *user_buf,
1033                                         size_t count, loff_t *ppos)
1034 {
1035         struct ath_softc *sc = file->private_data;
1036         char buf[32];
1037         unsigned int len;
1038
1039         len = sprintf(buf, "%d\n", sc->spec_config.count);
1040         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1041 }
1042
1043 static ssize_t write_file_spectral_count(struct file *file,
1044                                          const char __user *user_buf,
1045                                          size_t count, loff_t *ppos)
1046 {
1047         struct ath_softc *sc = file->private_data;
1048         unsigned long val;
1049         char buf[32];
1050         ssize_t len;
1051
1052         len = min(count, sizeof(buf) - 1);
1053         if (copy_from_user(buf, user_buf, len))
1054                 return -EFAULT;
1055
1056         buf[len] = '\0';
1057         if (kstrtoul(buf, 0, &val))
1058                 return -EINVAL;
1059
1060         if (val < 0 || val > 255)
1061                 return -EINVAL;
1062
1063         sc->spec_config.count = val;
1064         return count;
1065 }
1066
1067 static const struct file_operations fops_spectral_count = {
1068         .read = read_file_spectral_count,
1069         .write = write_file_spectral_count,
1070         .open = simple_open,
1071         .owner = THIS_MODULE,
1072         .llseek = default_llseek,
1073 };
1074
1075 static ssize_t read_file_spectral_period(struct file *file,
1076                                          char __user *user_buf,
1077                                          size_t count, loff_t *ppos)
1078 {
1079         struct ath_softc *sc = file->private_data;
1080         char buf[32];
1081         unsigned int len;
1082
1083         len = sprintf(buf, "%d\n", sc->spec_config.period);
1084         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1085 }
1086
1087 static ssize_t write_file_spectral_period(struct file *file,
1088                                           const char __user *user_buf,
1089                                           size_t count, loff_t *ppos)
1090 {
1091         struct ath_softc *sc = file->private_data;
1092         unsigned long val;
1093         char buf[32];
1094         ssize_t len;
1095
1096         len = min(count, sizeof(buf) - 1);
1097         if (copy_from_user(buf, user_buf, len))
1098                 return -EFAULT;
1099
1100         buf[len] = '\0';
1101         if (kstrtoul(buf, 0, &val))
1102                 return -EINVAL;
1103
1104         if (val < 0 || val > 255)
1105                 return -EINVAL;
1106
1107         sc->spec_config.period = val;
1108         return count;
1109 }
1110
1111 static const struct file_operations fops_spectral_period = {
1112         .read = read_file_spectral_period,
1113         .write = write_file_spectral_period,
1114         .open = simple_open,
1115         .owner = THIS_MODULE,
1116         .llseek = default_llseek,
1117 };
1118
1119 static ssize_t read_file_spectral_fft_period(struct file *file,
1120                                              char __user *user_buf,
1121                                              size_t count, loff_t *ppos)
1122 {
1123         struct ath_softc *sc = file->private_data;
1124         char buf[32];
1125         unsigned int len;
1126
1127         len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
1128         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1129 }
1130
1131 static ssize_t write_file_spectral_fft_period(struct file *file,
1132                                               const char __user *user_buf,
1133                                               size_t count, loff_t *ppos)
1134 {
1135         struct ath_softc *sc = file->private_data;
1136         unsigned long val;
1137         char buf[32];
1138         ssize_t len;
1139
1140         len = min(count, sizeof(buf) - 1);
1141         if (copy_from_user(buf, user_buf, len))
1142                 return -EFAULT;
1143
1144         buf[len] = '\0';
1145         if (kstrtoul(buf, 0, &val))
1146                 return -EINVAL;
1147
1148         if (val < 0 || val > 15)
1149                 return -EINVAL;
1150
1151         sc->spec_config.fft_period = val;
1152         return count;
1153 }
1154
1155 static const struct file_operations fops_spectral_fft_period = {
1156         .read = read_file_spectral_fft_period,
1157         .write = write_file_spectral_fft_period,
1158         .open = simple_open,
1159         .owner = THIS_MODULE,
1160         .llseek = default_llseek,
1161 };
1162
1163 static struct dentry *create_buf_file_handler(const char *filename,
1164                                               struct dentry *parent,
1165                                               umode_t mode,
1166                                               struct rchan_buf *buf,
1167                                               int *is_global)
1168 {
1169         struct dentry *buf_file;
1170
1171         buf_file = debugfs_create_file(filename, mode, parent, buf,
1172                                        &relay_file_operations);
1173         *is_global = 1;
1174         return buf_file;
1175 }
1176
1177 static int remove_buf_file_handler(struct dentry *dentry)
1178 {
1179         debugfs_remove(dentry);
1180
1181         return 0;
1182 }
1183
1184 void ath_debug_send_fft_sample(struct ath_softc *sc,
1185                                struct fft_sample_tlv *fft_sample_tlv)
1186 {
1187         int length;
1188         if (!sc->rfs_chan_spec_scan)
1189                 return;
1190
1191         length = __be16_to_cpu(fft_sample_tlv->length) +
1192                  sizeof(*fft_sample_tlv);
1193         relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
1194 }
1195
1196 static struct rchan_callbacks rfs_spec_scan_cb = {
1197         .create_buf_file = create_buf_file_handler,
1198         .remove_buf_file = remove_buf_file_handler,
1199 };
1200
1201
1202 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1203                                 size_t count, loff_t *ppos)
1204 {
1205         struct ath_softc *sc = file->private_data;
1206         char buf[32];
1207         unsigned int len;
1208
1209         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1210         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1211 }
1212
1213 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1214                              size_t count, loff_t *ppos)
1215 {
1216         struct ath_softc *sc = file->private_data;
1217         unsigned long regidx;
1218         char buf[32];
1219         ssize_t len;
1220
1221         len = min(count, sizeof(buf) - 1);
1222         if (copy_from_user(buf, user_buf, len))
1223                 return -EFAULT;
1224
1225         buf[len] = '\0';
1226         if (strict_strtoul(buf, 0, &regidx))
1227                 return -EINVAL;
1228
1229         sc->debug.regidx = regidx;
1230         return count;
1231 }
1232
1233 static const struct file_operations fops_regidx = {
1234         .read = read_file_regidx,
1235         .write = write_file_regidx,
1236         .open = simple_open,
1237         .owner = THIS_MODULE,
1238         .llseek = default_llseek,
1239 };
1240
1241 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1242                              size_t count, loff_t *ppos)
1243 {
1244         struct ath_softc *sc = file->private_data;
1245         struct ath_hw *ah = sc->sc_ah;
1246         char buf[32];
1247         unsigned int len;
1248         u32 regval;
1249
1250         ath9k_ps_wakeup(sc);
1251         regval = REG_READ_D(ah, sc->debug.regidx);
1252         ath9k_ps_restore(sc);
1253         len = sprintf(buf, "0x%08x\n", regval);
1254         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1255 }
1256
1257 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1258                              size_t count, loff_t *ppos)
1259 {
1260         struct ath_softc *sc = file->private_data;
1261         struct ath_hw *ah = sc->sc_ah;
1262         unsigned long regval;
1263         char buf[32];
1264         ssize_t len;
1265
1266         len = min(count, sizeof(buf) - 1);
1267         if (copy_from_user(buf, user_buf, len))
1268                 return -EFAULT;
1269
1270         buf[len] = '\0';
1271         if (strict_strtoul(buf, 0, &regval))
1272                 return -EINVAL;
1273
1274         ath9k_ps_wakeup(sc);
1275         REG_WRITE_D(ah, sc->debug.regidx, regval);
1276         ath9k_ps_restore(sc);
1277         return count;
1278 }
1279
1280 static const struct file_operations fops_regval = {
1281         .read = read_file_regval,
1282         .write = write_file_regval,
1283         .open = simple_open,
1284         .owner = THIS_MODULE,
1285         .llseek = default_llseek,
1286 };
1287
1288 #define REGDUMP_LINE_SIZE       20
1289
1290 static int open_file_regdump(struct inode *inode, struct file *file)
1291 {
1292         struct ath_softc *sc = inode->i_private;
1293         unsigned int len = 0;
1294         u8 *buf;
1295         int i;
1296         unsigned long num_regs, regdump_len, max_reg_offset;
1297
1298         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1299         num_regs = max_reg_offset / 4 + 1;
1300         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1301         buf = vmalloc(regdump_len);
1302         if (!buf)
1303                 return -ENOMEM;
1304
1305         ath9k_ps_wakeup(sc);
1306         for (i = 0; i < num_regs; i++)
1307                 len += scnprintf(buf + len, regdump_len - len,
1308                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1309         ath9k_ps_restore(sc);
1310
1311         file->private_data = buf;
1312
1313         return 0;
1314 }
1315
1316 static const struct file_operations fops_regdump = {
1317         .open = open_file_regdump,
1318         .read = ath9k_debugfs_read_buf,
1319         .release = ath9k_debugfs_release_buf,
1320         .owner = THIS_MODULE,
1321         .llseek = default_llseek,/* read accesses f_pos */
1322 };
1323
1324 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1325                                     size_t count, loff_t *ppos)
1326 {
1327         struct ath_softc *sc = file->private_data;
1328         struct ath_hw *ah = sc->sc_ah;
1329         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1330         struct ath_common *common = ath9k_hw_common(ah);
1331         struct ieee80211_conf *conf = &common->hw->conf;
1332         u32 len = 0, size = 1500;
1333         u32 i, j;
1334         ssize_t retval = 0;
1335         char *buf;
1336         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1337         u8 nread;
1338
1339         buf = kzalloc(size, GFP_KERNEL);
1340         if (!buf)
1341                 return -ENOMEM;
1342
1343         len += snprintf(buf + len, size - len,
1344                         "Channel Noise Floor : %d\n", ah->noise);
1345         len += snprintf(buf + len, size - len,
1346                         "Chain | privNF | # Readings | NF Readings\n");
1347         for (i = 0; i < NUM_NF_READINGS; i++) {
1348                 if (!(chainmask & (1 << i)) ||
1349                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1350                         continue;
1351
1352                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1353                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1354                                 i, h[i].privNF, nread);
1355                 for (j = 0; j < nread; j++)
1356                         len += snprintf(buf + len, size - len,
1357                                         " %d", h[i].nfCalBuffer[j]);
1358                 len += snprintf(buf + len, size - len, "\n");
1359         }
1360
1361         if (len > size)
1362                 len = size;
1363
1364         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1365         kfree(buf);
1366
1367         return retval;
1368 }
1369
1370 static const struct file_operations fops_dump_nfcal = {
1371         .read = read_file_dump_nfcal,
1372         .open = simple_open,
1373         .owner = THIS_MODULE,
1374         .llseek = default_llseek,
1375 };
1376
1377 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1378                                      size_t count, loff_t *ppos)
1379 {
1380         struct ath_softc *sc = file->private_data;
1381         struct ath_hw *ah = sc->sc_ah;
1382         u32 len = 0, size = 1500;
1383         ssize_t retval = 0;
1384         char *buf;
1385
1386         buf = kzalloc(size, GFP_KERNEL);
1387         if (!buf)
1388                 return -ENOMEM;
1389
1390         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1391
1392         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1393         kfree(buf);
1394
1395         return retval;
1396 }
1397
1398 static const struct file_operations fops_base_eeprom = {
1399         .read = read_file_base_eeprom,
1400         .open = simple_open,
1401         .owner = THIS_MODULE,
1402         .llseek = default_llseek,
1403 };
1404
1405 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1406                                       size_t count, loff_t *ppos)
1407 {
1408         struct ath_softc *sc = file->private_data;
1409         struct ath_hw *ah = sc->sc_ah;
1410         u32 len = 0, size = 6000;
1411         char *buf;
1412         size_t retval;
1413
1414         buf = kzalloc(size, GFP_KERNEL);
1415         if (buf == NULL)
1416                 return -ENOMEM;
1417
1418         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1419
1420         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1421         kfree(buf);
1422
1423         return retval;
1424 }
1425
1426 static const struct file_operations fops_modal_eeprom = {
1427         .read = read_file_modal_eeprom,
1428         .open = simple_open,
1429         .owner = THIS_MODULE,
1430         .llseek = default_llseek,
1431 };
1432
1433 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1434 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1435                                 size_t count, loff_t *ppos)
1436 {
1437         struct ath_softc *sc = file->private_data;
1438         u32 len = 0, size = 1500;
1439         char *buf;
1440         size_t retval;
1441
1442         buf = kzalloc(size, GFP_KERNEL);
1443         if (buf == NULL)
1444                 return -ENOMEM;
1445
1446         if (!sc->sc_ah->common.btcoex_enabled) {
1447                 len = snprintf(buf, size, "%s\n",
1448                                "BTCOEX is disabled");
1449                 goto exit;
1450         }
1451
1452         len = ath9k_dump_btcoex(sc, buf, size);
1453 exit:
1454         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1455         kfree(buf);
1456
1457         return retval;
1458 }
1459
1460 static const struct file_operations fops_btcoex = {
1461         .read = read_file_btcoex,
1462         .open = simple_open,
1463         .owner = THIS_MODULE,
1464         .llseek = default_llseek,
1465 };
1466 #endif
1467
1468 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1469                                    size_t count, loff_t *ppos)
1470 {
1471         struct ath_node *an = file->private_data;
1472         struct ath_softc *sc = an->sc;
1473         struct ath_atx_tid *tid;
1474         struct ath_atx_ac *ac;
1475         struct ath_txq *txq;
1476         u32 len = 0, size = 4096;
1477         char *buf;
1478         size_t retval;
1479         int tidno, acno;
1480
1481         buf = kzalloc(size, GFP_KERNEL);
1482         if (buf == NULL)
1483                 return -ENOMEM;
1484
1485         if (!an->sta->ht_cap.ht_supported) {
1486                 len = snprintf(buf, size, "%s\n",
1487                                "HT not supported");
1488                 goto exit;
1489         }
1490
1491         len = snprintf(buf, size, "Max-AMPDU: %d\n",
1492                        an->maxampdu);
1493         len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1494                         an->mpdudensity);
1495
1496         len += snprintf(buf + len, size - len,
1497                         "%2s%7s\n", "AC", "SCHED");
1498
1499         for (acno = 0, ac = &an->ac[acno];
1500              acno < IEEE80211_NUM_ACS; acno++, ac++) {
1501                 txq = ac->txq;
1502                 ath_txq_lock(sc, txq);
1503                 len += snprintf(buf + len, size - len,
1504                                 "%2d%7d\n",
1505                                 acno, ac->sched);
1506                 ath_txq_unlock(sc, txq);
1507         }
1508
1509         len += snprintf(buf + len, size - len,
1510                         "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1511                         "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1512                         "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1513
1514         for (tidno = 0, tid = &an->tid[tidno];
1515              tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1516                 txq = tid->ac->txq;
1517                 ath_txq_lock(sc, txq);
1518                 len += snprintf(buf + len, size - len,
1519                                 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1520                                 tid->tidno, tid->seq_start, tid->seq_next,
1521                                 tid->baw_size, tid->baw_head, tid->baw_tail,
1522                                 tid->bar_index, tid->sched, tid->paused);
1523                 ath_txq_unlock(sc, txq);
1524         }
1525 exit:
1526         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1527         kfree(buf);
1528
1529         return retval;
1530 }
1531
1532 static const struct file_operations fops_node_stat = {
1533         .read = read_file_node_stat,
1534         .open = simple_open,
1535         .owner = THIS_MODULE,
1536         .llseek = default_llseek,
1537 };
1538
1539 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1540                            struct ieee80211_vif *vif,
1541                            struct ieee80211_sta *sta,
1542                            struct dentry *dir)
1543 {
1544         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1545         an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
1546                                             dir, an, &fops_node_stat);
1547 }
1548
1549 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
1550                               struct ieee80211_vif *vif,
1551                               struct ieee80211_sta *sta,
1552                               struct dentry *dir)
1553 {
1554         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1555         debugfs_remove(an->node_stat);
1556 }
1557
1558 /* Ethtool support for get-stats */
1559
1560 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1561 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1562         "tx_pkts_nic",
1563         "tx_bytes_nic",
1564         "rx_pkts_nic",
1565         "rx_bytes_nic",
1566         AMKSTR(d_tx_pkts),
1567         AMKSTR(d_tx_bytes),
1568         AMKSTR(d_tx_mpdus_queued),
1569         AMKSTR(d_tx_mpdus_completed),
1570         AMKSTR(d_tx_mpdu_xretries),
1571         AMKSTR(d_tx_aggregates),
1572         AMKSTR(d_tx_ampdus_queued_hw),
1573         AMKSTR(d_tx_ampdus_queued_sw),
1574         AMKSTR(d_tx_ampdus_completed),
1575         AMKSTR(d_tx_ampdu_retries),
1576         AMKSTR(d_tx_ampdu_xretries),
1577         AMKSTR(d_tx_fifo_underrun),
1578         AMKSTR(d_tx_op_exceeded),
1579         AMKSTR(d_tx_timer_expiry),
1580         AMKSTR(d_tx_desc_cfg_err),
1581         AMKSTR(d_tx_data_underrun),
1582         AMKSTR(d_tx_delim_underrun),
1583         "d_rx_crc_err",
1584         "d_rx_decrypt_crc_err",
1585         "d_rx_phy_err",
1586         "d_rx_mic_err",
1587         "d_rx_pre_delim_crc_err",
1588         "d_rx_post_delim_crc_err",
1589         "d_rx_decrypt_busy_err",
1590
1591         "d_rx_phyerr_radar",
1592         "d_rx_phyerr_ofdm_timing",
1593         "d_rx_phyerr_cck_timing",
1594
1595 };
1596 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1597
1598 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1599                           struct ieee80211_vif *vif,
1600                           u32 sset, u8 *data)
1601 {
1602         if (sset == ETH_SS_STATS)
1603                 memcpy(data, *ath9k_gstrings_stats,
1604                        sizeof(ath9k_gstrings_stats));
1605 }
1606
1607 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1608                             struct ieee80211_vif *vif, int sset)
1609 {
1610         if (sset == ETH_SS_STATS)
1611                 return ATH9K_SSTATS_LEN;
1612         return 0;
1613 }
1614
1615 #define AWDATA(elem)                                                    \
1616         do {                                                            \
1617                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1618                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1619                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1620                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1621         } while (0)
1622
1623 #define AWDATA_RX(elem)                                         \
1624         do {                                                    \
1625                 data[i++] = sc->debug.stats.rxstats.elem;       \
1626         } while (0)
1627
1628 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1629                         struct ieee80211_vif *vif,
1630                         struct ethtool_stats *stats, u64 *data)
1631 {
1632         struct ath_softc *sc = hw->priv;
1633         int i = 0;
1634
1635         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1636                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1637                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1638                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1639         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1640                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1641                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1642                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1643         AWDATA_RX(rx_pkts_all);
1644         AWDATA_RX(rx_bytes_all);
1645
1646         AWDATA(tx_pkts_all);
1647         AWDATA(tx_bytes_all);
1648         AWDATA(queued);
1649         AWDATA(completed);
1650         AWDATA(xretries);
1651         AWDATA(a_aggr);
1652         AWDATA(a_queued_hw);
1653         AWDATA(a_queued_sw);
1654         AWDATA(a_completed);
1655         AWDATA(a_retries);
1656         AWDATA(a_xretries);
1657         AWDATA(fifo_underrun);
1658         AWDATA(xtxop);
1659         AWDATA(timer_exp);
1660         AWDATA(desc_cfg_err);
1661         AWDATA(data_underrun);
1662         AWDATA(delim_underrun);
1663
1664         AWDATA_RX(crc_err);
1665         AWDATA_RX(decrypt_crc_err);
1666         AWDATA_RX(phy_err);
1667         AWDATA_RX(mic_err);
1668         AWDATA_RX(pre_delim_crc_err);
1669         AWDATA_RX(post_delim_crc_err);
1670         AWDATA_RX(decrypt_busy_err);
1671
1672         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1673         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1674         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1675
1676         WARN_ON(i != ATH9K_SSTATS_LEN);
1677 }
1678
1679 int ath9k_init_debug(struct ath_hw *ah)
1680 {
1681         struct ath_common *common = ath9k_hw_common(ah);
1682         struct ath_softc *sc = (struct ath_softc *) common->priv;
1683
1684         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1685                                                    sc->hw->wiphy->debugfsdir);
1686         if (!sc->debug.debugfs_phy)
1687                 return -ENOMEM;
1688
1689 #ifdef CONFIG_ATH_DEBUG
1690         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1691                             sc, &fops_debug);
1692 #endif
1693
1694         ath9k_dfs_init_debug(sc);
1695
1696         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1697                             &fops_dma);
1698         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1699                             &fops_interrupt);
1700         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1701                             &fops_xmit);
1702         debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1703                             &fops_queues);
1704         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1705                            &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1706         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1707                            &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1708         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1709                            &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1710         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1711                            &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1712         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1713                             &fops_misc);
1714         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1715                             &fops_reset);
1716         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1717                             &fops_recv);
1718         debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1719                             sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1720         debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1721                             sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1722         debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1723                             sc->debug.debugfs_phy, sc, &fops_disable_ani);
1724         debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1725                             &sc->sc_ah->config.enable_paprd);
1726         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1727                             sc, &fops_regidx);
1728         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1729                             sc, &fops_regval);
1730         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1731                             sc->debug.debugfs_phy,
1732                             &ah->config.cwm_ignore_extcca);
1733         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1734                             &fops_regdump);
1735         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1736                             &fops_dump_nfcal);
1737         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1738                             &fops_base_eeprom);
1739         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1740                             &fops_modal_eeprom);
1741         sc->rfs_chan_spec_scan = relay_open("spectral_scan",
1742                                             sc->debug.debugfs_phy,
1743                                             1024, 256, &rfs_spec_scan_cb,
1744                                             NULL);
1745         debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
1746                             sc->debug.debugfs_phy, sc,
1747                             &fops_spec_scan_ctl);
1748         debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
1749                             sc->debug.debugfs_phy, sc,
1750                             &fops_spectral_short_repeat);
1751         debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
1752                             sc->debug.debugfs_phy, sc, &fops_spectral_count);
1753         debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
1754                             sc->debug.debugfs_phy, sc, &fops_spectral_period);
1755         debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
1756                             sc->debug.debugfs_phy, sc,
1757                             &fops_spectral_fft_period);
1758         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1759                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1760         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1761                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1762         debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
1763                             sc->debug.debugfs_phy, sc, &fops_ant_diversity);
1764 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1765         debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1766                             &fops_btcoex);
1767 #endif
1768         return 0;
1769 }