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_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         struct ath_hw *ah = sc->sc_ah;
 182         unsigned int len = 0, size = 1024;
 183         ssize_t retval = 0;
 184         char *buf;
 185
 186         buf = kzalloc(size, GFP_KERNEL);
 187         if (buf == NULL)
 188                 return -ENOMEM;
 189
 190         if (common->disable_ani) {
 191                 len += snprintf(buf + len, size - len, "%s: %s\n",
 192                                 "ANI", "DISABLED");
 193                 goto exit;
 194         }
 195
 196         len += snprintf(buf + len, size - len, "%15s: %s\n",
 197                         "ANI", "ENABLED");
 198         len += snprintf(buf + len, size - len, "%15s: %u\n",
 199                         "ANI RESET", ah->stats.ast_ani_reset);
 200         len += snprintf(buf + len, size - len, "%15s: %u\n",
 201                         "SPUR UP", ah->stats.ast_ani_spurup);
 202         len += snprintf(buf + len, size - len, "%15s: %u\n",
 203                         "SPUR DOWN", ah->stats.ast_ani_spurup);
 204         len += snprintf(buf + len, size - len, "%15s: %u\n",
 205                         "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
 206         len += snprintf(buf + len, size - len, "%15s: %u\n",
 207                         "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
 208         len += snprintf(buf + len, size - len, "%15s: %u\n",
 209                         "MRC-CCK ON", ah->stats.ast_ani_ccklow);
 210         len += snprintf(buf + len, size - len, "%15s: %u\n",
 211                         "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
 212         len += snprintf(buf + len, size - len, "%15s: %u\n",
 213                         "FIR-STEP UP", ah->stats.ast_ani_stepup);
 214         len += snprintf(buf + len, size - len, "%15s: %u\n",
 215                         "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
 216         len += snprintf(buf + len, size - len, "%15s: %u\n",
 217                         "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
 218         len += snprintf(buf + len, size - len, "%15s: %u\n",
 219                         "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
 220         len += snprintf(buf + len, size - len, "%15s: %u\n",
 221                         "CCK ERRORS", ah->stats.ast_ani_cckerrs);
 222 exit:
 223         if (len > size)
 224                 len = size;
 225
 226         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 227         kfree(buf);
 228
 229         return retval;
 230 }
 231
 232 static ssize_t write_file_ani(struct file *file,
 233                               const char __user *user_buf,
 234                               size_t count, loff_t *ppos)
 235 {
 236         struct ath_softc *sc = file->private_data;
 237         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 238         unsigned long ani;
 239         char buf[32];
 240         ssize_t len;
 241
 242         len = min(count, sizeof(buf) - 1);
 243         if (copy_from_user(buf, user_buf, len))
 244                 return -EFAULT;
 245
 246         buf[len] = '\0';
 247         if (strict_strtoul(buf, 0, &ani))
 248                 return -EINVAL;
 249
 250         if (ani < 0 || ani > 1)
 251                 return -EINVAL;
 252
 253         common->disable_ani = !ani;
 254
 255         if (common->disable_ani) {
 256                 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 257                 ath_stop_ani(sc);
 258         } else {
 259                 ath_check_ani(sc);
 260         }
 261
 262         return count;
 263 }
 264
 265 static const struct file_operations fops_ani = {
 266         .read = read_file_ani,
 267         .write = write_file_ani,
 268         .open = simple_open,
 269         .owner = THIS_MODULE,
 270         .llseek = default_llseek,
 271 };
 272
 273 static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
 274                                        size_t count, loff_t *ppos)
 275 {
 276         struct ath_softc *sc = file->private_data;
 277         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 278         char buf[32];
 279         unsigned int len;
 280
 281         len = sprintf(buf, "%d\n", common->antenna_diversity);
 282         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 283 }
 284
 285 static ssize_t write_file_ant_diversity(struct file *file,
 286                                         const char __user *user_buf,
 287                                         size_t count, loff_t *ppos)
 288 {
 289         struct ath_softc *sc = file->private_data;
 290         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 291         unsigned long antenna_diversity;
 292         char buf[32];
 293         ssize_t len;
 294
 295         len = min(count, sizeof(buf) - 1);
 296         if (copy_from_user(buf, user_buf, len))
 297                 return -EFAULT;
 298
 299         if (!AR_SREV_9565(sc->sc_ah))
 300                 goto exit;
 301
 302         buf[len] = '\0';
 303         if (strict_strtoul(buf, 0, &antenna_diversity))
 304                 return -EINVAL;
 305
 306         common->antenna_diversity = !!antenna_diversity;
 307         ath9k_ps_wakeup(sc);
 308         ath_ant_comb_update(sc);
 309         ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
 310                 common->antenna_diversity);
 311         ath9k_ps_restore(sc);
 312 exit:
 313         return count;
 314 }
 315
 316 static const struct file_operations fops_ant_diversity = {
 317         .read = read_file_ant_diversity,
 318         .write = write_file_ant_diversity,
 319         .open = simple_open,
 320         .owner = THIS_MODULE,
 321         .llseek = default_llseek,
 322 };
 323
 324 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 325                              size_t count, loff_t *ppos)
 326 {
 327         struct ath_softc *sc = file->private_data;
 328         struct ath_hw *ah = sc->sc_ah;
 329         char *buf;
 330         int retval;
 331         unsigned int len = 0;
 332         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 333         int i, qcuOffset = 0, dcuOffset = 0;
 334         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 335
 336         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 337         if (!buf)
 338                 return -ENOMEM;
 339
 340         ath9k_ps_wakeup(sc);
 341
 342         REG_WRITE_D(ah, AR_MACMISC,
 343                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 344                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 345                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 346
 347         len += snprintf(buf + len, DMA_BUF_LEN - len,
 348                         "Raw DMA Debug values:\n");
 349
 350         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 351                 if (i % 4 == 0)
 352                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 353
 354                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 355                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 356                                 i, val[i]);
 357         }
 358
 359         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 360         len += snprintf(buf + len, DMA_BUF_LEN - len,
 361                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 362
 363         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 364                 if (i == 8) {
 365                         qcuOffset = 0;
 366                         qcuBase++;
 367                 }
 368
 369                 if (i == 6) {
 370                         dcuOffset = 0;
 371                         dcuBase++;
 372                 }
 373
 374                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 375                         "%2d          %2x      %1x     %2x           %2x\n",
 376                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 377                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 378                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 379                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 380         }
 381
 382         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 383
 384         len += snprintf(buf + len, DMA_BUF_LEN - len,
 385                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 386                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 387         len += snprintf(buf + len, DMA_BUF_LEN - len,
 388                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 389                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 390         len += snprintf(buf + len, DMA_BUF_LEN - len,
 391                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 392                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 393         len += snprintf(buf + len, DMA_BUF_LEN - len,
 394                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 395                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 396         len += snprintf(buf + len, DMA_BUF_LEN - len,
 397                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 398                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 399         len += snprintf(buf + len, DMA_BUF_LEN - len,
 400                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 401                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 402
 403         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 404                         REG_READ_D(ah, AR_OBS_BUS_1));
 405         len += snprintf(buf + len, DMA_BUF_LEN - len,
 406                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 407
 408         ath9k_ps_restore(sc);
 409
 410         if (len > DMA_BUF_LEN)
 411                 len = DMA_BUF_LEN;
 412
 413         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 414         kfree(buf);
 415         return retval;
 416 }
 417
 418 static const struct file_operations fops_dma = {
 419         .read = read_file_dma,
 420         .open = simple_open,
 421         .owner = THIS_MODULE,
 422         .llseek = default_llseek,
 423 };
 424
 425
 426 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 427 {
 428         if (status)
 429                 sc->debug.stats.istats.total++;
 430         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 431                 if (status & ATH9K_INT_RXLP)
 432                         sc->debug.stats.istats.rxlp++;
 433                 if (status & ATH9K_INT_RXHP)
 434                         sc->debug.stats.istats.rxhp++;
 435                 if (status & ATH9K_INT_BB_WATCHDOG)
 436                         sc->debug.stats.istats.bb_watchdog++;
 437         } else {
 438                 if (status & ATH9K_INT_RX)
 439                         sc->debug.stats.istats.rxok++;
 440         }
 441         if (status & ATH9K_INT_RXEOL)
 442                 sc->debug.stats.istats.rxeol++;
 443         if (status & ATH9K_INT_RXORN)
 444                 sc->debug.stats.istats.rxorn++;
 445         if (status & ATH9K_INT_TX)
 446                 sc->debug.stats.istats.txok++;
 447         if (status & ATH9K_INT_TXURN)
 448                 sc->debug.stats.istats.txurn++;
 449         if (status & ATH9K_INT_RXPHY)
 450                 sc->debug.stats.istats.rxphyerr++;
 451         if (status & ATH9K_INT_RXKCM)
 452                 sc->debug.stats.istats.rx_keycache_miss++;
 453         if (status & ATH9K_INT_SWBA)
 454                 sc->debug.stats.istats.swba++;
 455         if (status & ATH9K_INT_BMISS)
 456                 sc->debug.stats.istats.bmiss++;
 457         if (status & ATH9K_INT_BNR)
 458                 sc->debug.stats.istats.bnr++;
 459         if (status & ATH9K_INT_CST)
 460                 sc->debug.stats.istats.cst++;
 461         if (status & ATH9K_INT_GTT)
 462                 sc->debug.stats.istats.gtt++;
 463         if (status & ATH9K_INT_TIM)
 464                 sc->debug.stats.istats.tim++;
 465         if (status & ATH9K_INT_CABEND)
 466                 sc->debug.stats.istats.cabend++;
 467         if (status & ATH9K_INT_DTIMSYNC)
 468                 sc->debug.stats.istats.dtimsync++;
 469         if (status & ATH9K_INT_DTIM)
 470                 sc->debug.stats.istats.dtim++;
 471         if (status & ATH9K_INT_TSFOOR)
 472                 sc->debug.stats.istats.tsfoor++;
 473         if (status & ATH9K_INT_MCI)
 474                 sc->debug.stats.istats.mci++;
 475         if (status & ATH9K_INT_GENTIMER)
 476                 sc->debug.stats.istats.gen_timer++;
 477 }
 478
 479 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 480                                    size_t count, loff_t *ppos)
 481 {
 482         struct ath_softc *sc = file->private_data;
 483         unsigned int len = 0;
 484         int rv;
 485         int mxlen = 4000;
 486         char *buf = kmalloc(mxlen, GFP_KERNEL);
 487         if (!buf)
 488                 return -ENOMEM;
 489
 490 #define PR_IS(a, s)                                             \
 491         do {                                                    \
 492                 len += snprintf(buf + len, mxlen - len,         \
 493                                 "%21s: %10u\n", a,              \
 494                                 sc->debug.stats.istats.s);      \
 495         } while (0)
 496
 497         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 498                 PR_IS("RXLP", rxlp);
 499                 PR_IS("RXHP", rxhp);
 500                 PR_IS("WATHDOG", bb_watchdog);
 501         } else {
 502                 PR_IS("RX", rxok);
 503         }
 504         PR_IS("RXEOL", rxeol);
 505         PR_IS("RXORN", rxorn);
 506         PR_IS("TX", txok);
 507         PR_IS("TXURN", txurn);
 508         PR_IS("MIB", mib);
 509         PR_IS("RXPHY", rxphyerr);
 510         PR_IS("RXKCM", rx_keycache_miss);
 511         PR_IS("SWBA", swba);
 512         PR_IS("BMISS", bmiss);
 513         PR_IS("BNR", bnr);
 514         PR_IS("CST", cst);
 515         PR_IS("GTT", gtt);
 516         PR_IS("TIM", tim);
 517         PR_IS("CABEND", cabend);
 518         PR_IS("DTIMSYNC", dtimsync);
 519         PR_IS("DTIM", dtim);
 520         PR_IS("TSFOOR", tsfoor);
 521         PR_IS("MCI", mci);
 522         PR_IS("GENTIMER", gen_timer);
 523         PR_IS("TOTAL", total);
 524
 525         len += snprintf(buf + len, mxlen - len,
 526                         "SYNC_CAUSE stats:\n");
 527
 528         PR_IS("Sync-All", sync_cause_all);
 529         PR_IS("RTC-IRQ", sync_rtc_irq);
 530         PR_IS("MAC-IRQ", sync_mac_irq);
 531         PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 532         PR_IS("APB-Timeout", apb_timeout);
 533         PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 534         PR_IS("HOST1-Fatal", host1_fatal);
 535         PR_IS("HOST1-Perr", host1_perr);
 536         PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 537         PR_IS("RADM-CPL-EP", radm_cpl_ep);
 538         PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 539         PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 540         PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 541         PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 542         PR_IS("Local-Bus-Timeout", local_timeout);
 543         PR_IS("PM-Access", pm_access);
 544         PR_IS("MAC-Awake", mac_awake);
 545         PR_IS("MAC-Asleep", mac_asleep);
 546         PR_IS("MAC-Sleep-Access", mac_sleep_access);
 547
 548         if (len > mxlen)
 549                 len = mxlen;
 550
 551         rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 552         kfree(buf);
 553         return rv;
 554 }
 555
 556 static const struct file_operations fops_interrupt = {
 557         .read = read_file_interrupt,
 558         .open = simple_open,
 559         .owner = THIS_MODULE,
 560         .llseek = default_llseek,
 561 };
 562
 563 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 564                               size_t count, loff_t *ppos)
 565 {
 566         struct ath_softc *sc = file->private_data;
 567         char *buf;
 568         unsigned int len = 0, size = 2048;
 569         ssize_t retval = 0;
 570
 571         buf = kzalloc(size, GFP_KERNEL);
 572         if (buf == NULL)
 573                 return -ENOMEM;
 574
 575         len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 576                        "BE", "BK", "VI", "VO");
 577
 578         PR("MPDUs Queued:    ", queued);
 579         PR("MPDUs Completed: ", completed);
 580         PR("MPDUs XRetried:  ", xretries);
 581         PR("Aggregates:      ", a_aggr);
 582         PR("AMPDUs Queued HW:", a_queued_hw);
 583         PR("AMPDUs Queued SW:", a_queued_sw);
 584         PR("AMPDUs Completed:", a_completed);
 585         PR("AMPDUs Retried:  ", a_retries);
 586         PR("AMPDUs XRetried: ", a_xretries);
 587         PR("TXERR Filtered:  ", txerr_filtered);
 588         PR("FIFO Underrun:   ", fifo_underrun);
 589         PR("TXOP Exceeded:   ", xtxop);
 590         PR("TXTIMER Expiry:  ", timer_exp);
 591         PR("DESC CFG Error:  ", desc_cfg_err);
 592         PR("DATA Underrun:   ", data_underrun);
 593         PR("DELIM Underrun:  ", delim_underrun);
 594         PR("TX-Pkts-All:     ", tx_pkts_all);
 595         PR("TX-Bytes-All:    ", tx_bytes_all);
 596         PR("HW-put-tx-buf:   ", puttxbuf);
 597         PR("HW-tx-start:     ", txstart);
 598         PR("HW-tx-proc-desc: ", txprocdesc);
 599         PR("TX-Failed:       ", txfailed);
 600
 601         if (len > size)
 602                 len = size;
 603
 604         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 605         kfree(buf);
 606
 607         return retval;
 608 }
 609
 610 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
 611                                 size_t count, loff_t *ppos)
 612 {
 613         struct ath_softc *sc = file->private_data;
 614         struct ath_txq *txq;
 615         char *buf;
 616         unsigned int len = 0, size = 1024;
 617         ssize_t retval = 0;
 618         int i;
 619         char *qname[4] = {"VO", "VI", "BE", "BK"};
 620
 621         buf = kzalloc(size, GFP_KERNEL);
 622         if (buf == NULL)
 623                 return -ENOMEM;
 624
 625         for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 626                 txq = sc->tx.txq_map[i];
 627                 len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
 628
 629                 ath_txq_lock(sc, txq);
 630
 631                 len += snprintf(buf + len, size - len, "%s: %d ",
 632                                 "qnum", txq->axq_qnum);
 633                 len += snprintf(buf + len, size - len, "%s: %2d ",
 634                                 "qdepth", txq->axq_depth);
 635                 len += snprintf(buf + len, size - len, "%s: %2d ",
 636                                 "ampdu-depth", txq->axq_ampdu_depth);
 637                 len += snprintf(buf + len, size - len, "%s: %3d ",
 638                                 "pending", txq->pending_frames);
 639                 len += snprintf(buf + len, size - len, "%s: %d\n",
 640                                 "stopped", txq->stopped);
 641
 642                 ath_txq_unlock(sc, txq);
 643         }
 644
 645         if (len > size)
 646                 len = size;
 647
 648         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 649         kfree(buf);
 650
 651         return retval;
 652 }
 653
 654 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 655                               size_t count, loff_t *ppos)
 656 {
 657         struct ath_softc *sc = file->private_data;
 658         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 659         struct ieee80211_hw *hw = sc->hw;
 660         struct ath9k_vif_iter_data iter_data;
 661         char buf[512];
 662         unsigned int len = 0;
 663         ssize_t retval = 0;
 664         unsigned int reg;
 665         u32 rxfilter;
 666
 667         len += snprintf(buf + len, sizeof(buf) - len,
 668                         "BSSID: %pM\n", common->curbssid);
 669         len += snprintf(buf + len, sizeof(buf) - len,
 670                         "BSSID-MASK: %pM\n", common->bssidmask);
 671         len += snprintf(buf + len, sizeof(buf) - len,
 672                         "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 673
 674         ath9k_ps_wakeup(sc);
 675         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 676         ath9k_ps_restore(sc);
 677
 678         len += snprintf(buf + len, sizeof(buf) - len,
 679                         "RXFILTER: 0x%x", rxfilter);
 680
 681         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 682                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 683         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 684                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 685         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 686                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 687         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 688                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 689         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 690                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 691         if (rxfilter & ATH9K_RX_FILTER_PROM)
 692                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 693         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 694                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 695         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 696                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 697         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 698                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 699         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 700                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 701         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 702                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 703         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 704                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 705         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 706                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 707         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 708                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 709
 710         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 711
 712         reg = sc->sc_ah->imask;
 713
 714         len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
 715
 716         if (reg & ATH9K_INT_SWBA)
 717                 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 718         if (reg & ATH9K_INT_BMISS)
 719                 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 720         if (reg & ATH9K_INT_CST)
 721                 len += snprintf(buf + len, sizeof(buf) - len, " CST");
 722         if (reg & ATH9K_INT_RX)
 723                 len += snprintf(buf + len, sizeof(buf) - len, " RX");
 724         if (reg & ATH9K_INT_RXHP)
 725                 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 726         if (reg & ATH9K_INT_RXLP)
 727                 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 728         if (reg & ATH9K_INT_BB_WATCHDOG)
 729                 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 730
 731         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 732
 733         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 734
 735         len += snprintf(buf + len, sizeof(buf) - len,
 736                         "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 737                         " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 738                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 739                         iter_data.nwds, iter_data.nadhocs,
 740                         sc->nvifs, sc->nbcnvifs);
 741
 742         if (len > sizeof(buf))
 743                 len = sizeof(buf);
 744
 745         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 746         return retval;
 747 }
 748
 749 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 750                                size_t count, loff_t *ppos)
 751 {
 752         struct ath_softc *sc = file->private_data;
 753         char buf[512];
 754         unsigned int len = 0;
 755
 756         len += snprintf(buf + len, sizeof(buf) - len,
 757                         "%17s: %2d\n", "Baseband Hang",
 758                         sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 759         len += snprintf(buf + len, sizeof(buf) - len,
 760                         "%17s: %2d\n", "Baseband Watchdog",
 761                         sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 762         len += snprintf(buf + len, sizeof(buf) - len,
 763                         "%17s: %2d\n", "Fatal HW Error",
 764                         sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 765         len += snprintf(buf + len, sizeof(buf) - len,
 766                         "%17s: %2d\n", "TX HW error",
 767                         sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 768         len += snprintf(buf + len, sizeof(buf) - len,
 769                         "%17s: %2d\n", "TX Path Hang",
 770                         sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 771         len += snprintf(buf + len, sizeof(buf) - len,
 772                         "%17s: %2d\n", "PLL RX Hang",
 773                         sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 774         len += snprintf(buf + len, sizeof(buf) - len,
 775                         "%17s: %2d\n", "MCI Reset",
 776                         sc->debug.stats.reset[RESET_TYPE_MCI]);
 777
 778         if (len > sizeof(buf))
 779                 len = sizeof(buf);
 780
 781         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 782 }
 783
 784 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 785                        struct ath_tx_status *ts, struct ath_txq *txq,
 786                        unsigned int flags)
 787 {
 788         int qnum = txq->axq_qnum;
 789
 790         TX_STAT_INC(qnum, tx_pkts_all);
 791         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 792
 793         if (bf_isampdu(bf)) {
 794                 if (flags & ATH_TX_ERROR)
 795                         TX_STAT_INC(qnum, a_xretries);
 796                 else
 797                         TX_STAT_INC(qnum, a_completed);
 798         } else {
 799                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 800                         TX_STAT_INC(qnum, xretries);
 801                 else
 802                         TX_STAT_INC(qnum, completed);
 803         }
 804
 805         if (ts->ts_status & ATH9K_TXERR_FILT)
 806                 TX_STAT_INC(qnum, txerr_filtered);
 807         if (ts->ts_status & ATH9K_TXERR_FIFO)
 808                 TX_STAT_INC(qnum, fifo_underrun);
 809         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 810                 TX_STAT_INC(qnum, xtxop);
 811         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 812                 TX_STAT_INC(qnum, timer_exp);
 813         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 814                 TX_STAT_INC(qnum, desc_cfg_err);
 815         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 816                 TX_STAT_INC(qnum, data_underrun);
 817         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 818                 TX_STAT_INC(qnum, delim_underrun);
 819 }
 820
 821 static const struct file_operations fops_xmit = {
 822         .read = read_file_xmit,
 823         .open = simple_open,
 824         .owner = THIS_MODULE,
 825         .llseek = default_llseek,
 826 };
 827
 828 static const struct file_operations fops_queues = {
 829         .read = read_file_queues,
 830         .open = simple_open,
 831         .owner = THIS_MODULE,
 832         .llseek = default_llseek,
 833 };
 834
 835 static const struct file_operations fops_misc = {
 836         .read = read_file_misc,
 837         .open = simple_open,
 838         .owner = THIS_MODULE,
 839         .llseek = default_llseek,
 840 };
 841
 842 static const struct file_operations fops_reset = {
 843         .read = read_file_reset,
 844         .open = simple_open,
 845         .owner = THIS_MODULE,
 846         .llseek = default_llseek,
 847 };
 848
 849 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 850                               size_t count, loff_t *ppos)
 851 {
 852 #define PHY_ERR(s, p) \
 853         len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 854                         sc->debug.stats.rxstats.phy_err_stats[p]);
 855
 856 #define RXS_ERR(s, e)                                       \
 857         do {                                                \
 858                 len += snprintf(buf + len, size - len,      \
 859                                 "%22s : %10u\n", s,         \
 860                                 sc->debug.stats.rxstats.e); \
 861         } while (0)
 862
 863         struct ath_softc *sc = file->private_data;
 864         char *buf;
 865         unsigned int len = 0, size = 1600;
 866         ssize_t retval = 0;
 867
 868         buf = kzalloc(size, GFP_KERNEL);
 869         if (buf == NULL)
 870                 return -ENOMEM;
 871
 872         RXS_ERR("CRC ERR", crc_err);
 873         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 874         RXS_ERR("PHY ERR", phy_err);
 875         RXS_ERR("MIC ERR", mic_err);
 876         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 877         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 878         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 879         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 880         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 881         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 882         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 883
 884         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 885         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 886         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 887         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 888         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 889         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 890         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 891         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 892         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 893         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 894         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 895         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 896         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 897         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 898         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 899         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 900         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 901         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 902         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 903         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 904         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 905         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 906         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 907         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 908         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 909         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 910
 911         RXS_ERR("RX-Pkts-All", rx_pkts_all);
 912         RXS_ERR("RX-Bytes-All", rx_bytes_all);
 913         RXS_ERR("RX-Beacons", rx_beacons);
 914         RXS_ERR("RX-Frags", rx_frags);
 915         RXS_ERR("RX-Spectral", rx_spectral);
 916
 917         if (len > size)
 918                 len = size;
 919
 920         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 921         kfree(buf);
 922
 923         return retval;
 924
 925 #undef RXS_ERR
 926 #undef PHY_ERR
 927 }
 928
 929 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 930 {
 931 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 932
 933         RX_STAT_INC(rx_pkts_all);
 934         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 935
 936         if (rs->rs_status & ATH9K_RXERR_CRC)
 937                 RX_STAT_INC(crc_err);
 938         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 939                 RX_STAT_INC(decrypt_crc_err);
 940         if (rs->rs_status & ATH9K_RXERR_MIC)
 941                 RX_STAT_INC(mic_err);
 942         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 943                 RX_STAT_INC(pre_delim_crc_err);
 944         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 945                 RX_STAT_INC(post_delim_crc_err);
 946         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 947                 RX_STAT_INC(decrypt_busy_err);
 948
 949         if (rs->rs_status & ATH9K_RXERR_PHY) {
 950                 RX_STAT_INC(phy_err);
 951                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
 952                         RX_PHY_ERR_INC(rs->rs_phyerr);
 953         }
 954
 955 #undef RX_PHY_ERR_INC
 956 }
 957
 958 static const struct file_operations fops_recv = {
 959         .read = read_file_recv,
 960         .open = simple_open,
 961         .owner = THIS_MODULE,
 962         .llseek = default_llseek,
 963 };
 964
 965 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
 966                                        size_t count, loff_t *ppos)
 967 {
 968         struct ath_softc *sc = file->private_data;
 969         char *mode = "";
 970         unsigned int len;
 971
 972         switch (sc->spectral_mode) {
 973         case SPECTRAL_DISABLED:
 974                 mode = "disable";
 975                 break;
 976         case SPECTRAL_BACKGROUND:
 977                 mode = "background";
 978                 break;
 979         case SPECTRAL_CHANSCAN:
 980                 mode = "chanscan";
 981                 break;
 982         case SPECTRAL_MANUAL:
 983                 mode = "manual";
 984                 break;
 985         }
 986         len = strlen(mode);
 987         return simple_read_from_buffer(user_buf, count, ppos, mode, len);
 988 }
 989
 990 static ssize_t write_file_spec_scan_ctl(struct file *file,
 991                                         const char __user *user_buf,
 992                                         size_t count, loff_t *ppos)
 993 {
 994         struct ath_softc *sc = file->private_data;
 995         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 996         char buf[32];
 997         ssize_t len;
 998
 999         len = min(count, sizeof(buf) - 1);
1000         if (copy_from_user(buf, user_buf, len))
1001                 return -EFAULT;
1002
1003         buf[len] = '\0';
1004
1005         if (strncmp("trigger", buf, 7) == 0) {
1006                 ath9k_spectral_scan_trigger(sc->hw);
1007         } else if (strncmp("background", buf, 9) == 0) {
1008                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
1009                 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
1010         } else if (strncmp("chanscan", buf, 8) == 0) {
1011                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
1012                 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
1013         } else if (strncmp("manual", buf, 6) == 0) {
1014                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
1015                 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
1016         } else if (strncmp("disable", buf, 7) == 0) {
1017                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
1018                 ath_dbg(common, CONFIG, "spectral scan: disabled\n");
1019         } else {
1020                 return -EINVAL;
1021         }
1022
1023         return count;
1024 }
1025
1026 static const struct file_operations fops_spec_scan_ctl = {
1027         .read = read_file_spec_scan_ctl,
1028         .write = write_file_spec_scan_ctl,
1029         .open = simple_open,
1030         .owner = THIS_MODULE,
1031         .llseek = default_llseek,
1032 };
1033
1034 static ssize_t read_file_spectral_short_repeat(struct file *file,
1035                                                char __user *user_buf,
1036                                                size_t count, loff_t *ppos)
1037 {
1038         struct ath_softc *sc = file->private_data;
1039         char buf[32];
1040         unsigned int len;
1041
1042         len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
1043         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1044 }
1045
1046 static ssize_t write_file_spectral_short_repeat(struct file *file,
1047                                                 const char __user *user_buf,
1048                                                 size_t count, loff_t *ppos)
1049 {
1050         struct ath_softc *sc = file->private_data;
1051         unsigned long val;
1052         char buf[32];
1053         ssize_t len;
1054
1055         len = min(count, sizeof(buf) - 1);
1056         if (copy_from_user(buf, user_buf, len))
1057                 return -EFAULT;
1058
1059         buf[len] = '\0';
1060         if (kstrtoul(buf, 0, &val))
1061                 return -EINVAL;
1062
1063         if (val < 0 || val > 1)
1064                 return -EINVAL;
1065
1066         sc->spec_config.short_repeat = val;
1067         return count;
1068 }
1069
1070 static const struct file_operations fops_spectral_short_repeat = {
1071         .read = read_file_spectral_short_repeat,
1072         .write = write_file_spectral_short_repeat,
1073         .open = simple_open,
1074         .owner = THIS_MODULE,
1075         .llseek = default_llseek,
1076 };
1077
1078 static ssize_t read_file_spectral_count(struct file *file,
1079                                         char __user *user_buf,
1080                                         size_t count, loff_t *ppos)
1081 {
1082         struct ath_softc *sc = file->private_data;
1083         char buf[32];
1084         unsigned int len;
1085
1086         len = sprintf(buf, "%d\n", sc->spec_config.count);
1087         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1088 }
1089
1090 static ssize_t write_file_spectral_count(struct file *file,
1091                                          const char __user *user_buf,
1092                                          size_t count, loff_t *ppos)
1093 {
1094         struct ath_softc *sc = file->private_data;
1095         unsigned long val;
1096         char buf[32];
1097         ssize_t len;
1098
1099         len = min(count, sizeof(buf) - 1);
1100         if (copy_from_user(buf, user_buf, len))
1101                 return -EFAULT;
1102
1103         buf[len] = '\0';
1104         if (kstrtoul(buf, 0, &val))
1105                 return -EINVAL;
1106
1107         if (val < 0 || val > 255)
1108                 return -EINVAL;
1109
1110         sc->spec_config.count = val;
1111         return count;
1112 }
1113
1114 static const struct file_operations fops_spectral_count = {
1115         .read = read_file_spectral_count,
1116         .write = write_file_spectral_count,
1117         .open = simple_open,
1118         .owner = THIS_MODULE,
1119         .llseek = default_llseek,
1120 };
1121
1122 static ssize_t read_file_spectral_period(struct file *file,
1123                                          char __user *user_buf,
1124                                          size_t count, loff_t *ppos)
1125 {
1126         struct ath_softc *sc = file->private_data;
1127         char buf[32];
1128         unsigned int len;
1129
1130         len = sprintf(buf, "%d\n", sc->spec_config.period);
1131         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1132 }
1133
1134 static ssize_t write_file_spectral_period(struct file *file,
1135                                           const char __user *user_buf,
1136                                           size_t count, loff_t *ppos)
1137 {
1138         struct ath_softc *sc = file->private_data;
1139         unsigned long val;
1140         char buf[32];
1141         ssize_t len;
1142
1143         len = min(count, sizeof(buf) - 1);
1144         if (copy_from_user(buf, user_buf, len))
1145                 return -EFAULT;
1146
1147         buf[len] = '\0';
1148         if (kstrtoul(buf, 0, &val))
1149                 return -EINVAL;
1150
1151         if (val < 0 || val > 255)
1152                 return -EINVAL;
1153
1154         sc->spec_config.period = val;
1155         return count;
1156 }
1157
1158 static const struct file_operations fops_spectral_period = {
1159         .read = read_file_spectral_period,
1160         .write = write_file_spectral_period,
1161         .open = simple_open,
1162         .owner = THIS_MODULE,
1163         .llseek = default_llseek,
1164 };
1165
1166 static ssize_t read_file_spectral_fft_period(struct file *file,
1167                                              char __user *user_buf,
1168                                              size_t count, loff_t *ppos)
1169 {
1170         struct ath_softc *sc = file->private_data;
1171         char buf[32];
1172         unsigned int len;
1173
1174         len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
1175         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1176 }
1177
1178 static ssize_t write_file_spectral_fft_period(struct file *file,
1179                                               const char __user *user_buf,
1180                                               size_t count, loff_t *ppos)
1181 {
1182         struct ath_softc *sc = file->private_data;
1183         unsigned long val;
1184         char buf[32];
1185         ssize_t len;
1186
1187         len = min(count, sizeof(buf) - 1);
1188         if (copy_from_user(buf, user_buf, len))
1189                 return -EFAULT;
1190
1191         buf[len] = '\0';
1192         if (kstrtoul(buf, 0, &val))
1193                 return -EINVAL;
1194
1195         if (val < 0 || val > 15)
1196                 return -EINVAL;
1197
1198         sc->spec_config.fft_period = val;
1199         return count;
1200 }
1201
1202 static const struct file_operations fops_spectral_fft_period = {
1203         .read = read_file_spectral_fft_period,
1204         .write = write_file_spectral_fft_period,
1205         .open = simple_open,
1206         .owner = THIS_MODULE,
1207         .llseek = default_llseek,
1208 };
1209
1210 static struct dentry *create_buf_file_handler(const char *filename,
1211                                               struct dentry *parent,
1212                                               umode_t mode,
1213                                               struct rchan_buf *buf,
1214                                               int *is_global)
1215 {
1216         struct dentry *buf_file;
1217
1218         buf_file = debugfs_create_file(filename, mode, parent, buf,
1219                                        &relay_file_operations);
1220         *is_global = 1;
1221         return buf_file;
1222 }
1223
1224 static int remove_buf_file_handler(struct dentry *dentry)
1225 {
1226         debugfs_remove(dentry);
1227
1228         return 0;
1229 }
1230
1231 void ath_debug_send_fft_sample(struct ath_softc *sc,
1232                                struct fft_sample_tlv *fft_sample_tlv)
1233 {
1234         int length;
1235         if (!sc->rfs_chan_spec_scan)
1236                 return;
1237
1238         length = __be16_to_cpu(fft_sample_tlv->length) +
1239                  sizeof(*fft_sample_tlv);
1240         relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
1241 }
1242
1243 static struct rchan_callbacks rfs_spec_scan_cb = {
1244         .create_buf_file = create_buf_file_handler,
1245         .remove_buf_file = remove_buf_file_handler,
1246 };
1247
1248
1249 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1250                                 size_t count, loff_t *ppos)
1251 {
1252         struct ath_softc *sc = file->private_data;
1253         char buf[32];
1254         unsigned int len;
1255
1256         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1257         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1258 }
1259
1260 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1261                              size_t count, loff_t *ppos)
1262 {
1263         struct ath_softc *sc = file->private_data;
1264         unsigned long regidx;
1265         char buf[32];
1266         ssize_t len;
1267
1268         len = min(count, sizeof(buf) - 1);
1269         if (copy_from_user(buf, user_buf, len))
1270                 return -EFAULT;
1271
1272         buf[len] = '\0';
1273         if (strict_strtoul(buf, 0, &regidx))
1274                 return -EINVAL;
1275
1276         sc->debug.regidx = regidx;
1277         return count;
1278 }
1279
1280 static const struct file_operations fops_regidx = {
1281         .read = read_file_regidx,
1282         .write = write_file_regidx,
1283         .open = simple_open,
1284         .owner = THIS_MODULE,
1285         .llseek = default_llseek,
1286 };
1287
1288 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1289                              size_t count, loff_t *ppos)
1290 {
1291         struct ath_softc *sc = file->private_data;
1292         struct ath_hw *ah = sc->sc_ah;
1293         char buf[32];
1294         unsigned int len;
1295         u32 regval;
1296
1297         ath9k_ps_wakeup(sc);
1298         regval = REG_READ_D(ah, sc->debug.regidx);
1299         ath9k_ps_restore(sc);
1300         len = sprintf(buf, "0x%08x\n", regval);
1301         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1302 }
1303
1304 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1305                              size_t count, loff_t *ppos)
1306 {
1307         struct ath_softc *sc = file->private_data;
1308         struct ath_hw *ah = sc->sc_ah;
1309         unsigned long regval;
1310         char buf[32];
1311         ssize_t len;
1312
1313         len = min(count, sizeof(buf) - 1);
1314         if (copy_from_user(buf, user_buf, len))
1315                 return -EFAULT;
1316
1317         buf[len] = '\0';
1318         if (strict_strtoul(buf, 0, &regval))
1319                 return -EINVAL;
1320
1321         ath9k_ps_wakeup(sc);
1322         REG_WRITE_D(ah, sc->debug.regidx, regval);
1323         ath9k_ps_restore(sc);
1324         return count;
1325 }
1326
1327 static const struct file_operations fops_regval = {
1328         .read = read_file_regval,
1329         .write = write_file_regval,
1330         .open = simple_open,
1331         .owner = THIS_MODULE,
1332         .llseek = default_llseek,
1333 };
1334
1335 #define REGDUMP_LINE_SIZE       20
1336
1337 static int open_file_regdump(struct inode *inode, struct file *file)
1338 {
1339         struct ath_softc *sc = inode->i_private;
1340         unsigned int len = 0;
1341         u8 *buf;
1342         int i;
1343         unsigned long num_regs, regdump_len, max_reg_offset;
1344
1345         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1346         num_regs = max_reg_offset / 4 + 1;
1347         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1348         buf = vmalloc(regdump_len);
1349         if (!buf)
1350                 return -ENOMEM;
1351
1352         ath9k_ps_wakeup(sc);
1353         for (i = 0; i < num_regs; i++)
1354                 len += scnprintf(buf + len, regdump_len - len,
1355                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1356         ath9k_ps_restore(sc);
1357
1358         file->private_data = buf;
1359
1360         return 0;
1361 }
1362
1363 static const struct file_operations fops_regdump = {
1364         .open = open_file_regdump,
1365         .read = ath9k_debugfs_read_buf,
1366         .release = ath9k_debugfs_release_buf,
1367         .owner = THIS_MODULE,
1368         .llseek = default_llseek,/* read accesses f_pos */
1369 };
1370
1371 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1372                                     size_t count, loff_t *ppos)
1373 {
1374         struct ath_softc *sc = file->private_data;
1375         struct ath_hw *ah = sc->sc_ah;
1376         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1377         struct ath_common *common = ath9k_hw_common(ah);
1378         struct ieee80211_conf *conf = &common->hw->conf;
1379         u32 len = 0, size = 1500;
1380         u32 i, j;
1381         ssize_t retval = 0;
1382         char *buf;
1383         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1384         u8 nread;
1385
1386         buf = kzalloc(size, GFP_KERNEL);
1387         if (!buf)
1388                 return -ENOMEM;
1389
1390         len += snprintf(buf + len, size - len,
1391                         "Channel Noise Floor : %d\n", ah->noise);
1392         len += snprintf(buf + len, size - len,
1393                         "Chain | privNF | # Readings | NF Readings\n");
1394         for (i = 0; i < NUM_NF_READINGS; i++) {
1395                 if (!(chainmask & (1 << i)) ||
1396                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1397                         continue;
1398
1399                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1400                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1401                                 i, h[i].privNF, nread);
1402                 for (j = 0; j < nread; j++)
1403                         len += snprintf(buf + len, size - len,
1404                                         " %d", h[i].nfCalBuffer[j]);
1405                 len += snprintf(buf + len, size - len, "\n");
1406         }
1407
1408         if (len > size)
1409                 len = size;
1410
1411         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1412         kfree(buf);
1413
1414         return retval;
1415 }
1416
1417 static const struct file_operations fops_dump_nfcal = {
1418         .read = read_file_dump_nfcal,
1419         .open = simple_open,
1420         .owner = THIS_MODULE,
1421         .llseek = default_llseek,
1422 };
1423
1424 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1425                                      size_t count, loff_t *ppos)
1426 {
1427         struct ath_softc *sc = file->private_data;
1428         struct ath_hw *ah = sc->sc_ah;
1429         u32 len = 0, size = 1500;
1430         ssize_t retval = 0;
1431         char *buf;
1432
1433         buf = kzalloc(size, GFP_KERNEL);
1434         if (!buf)
1435                 return -ENOMEM;
1436
1437         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1438
1439         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1440         kfree(buf);
1441
1442         return retval;
1443 }
1444
1445 static const struct file_operations fops_base_eeprom = {
1446         .read = read_file_base_eeprom,
1447         .open = simple_open,
1448         .owner = THIS_MODULE,
1449         .llseek = default_llseek,
1450 };
1451
1452 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1453                                       size_t count, loff_t *ppos)
1454 {
1455         struct ath_softc *sc = file->private_data;
1456         struct ath_hw *ah = sc->sc_ah;
1457         u32 len = 0, size = 6000;
1458         char *buf;
1459         size_t retval;
1460
1461         buf = kzalloc(size, GFP_KERNEL);
1462         if (buf == NULL)
1463                 return -ENOMEM;
1464
1465         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1466
1467         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1468         kfree(buf);
1469
1470         return retval;
1471 }
1472
1473 static const struct file_operations fops_modal_eeprom = {
1474         .read = read_file_modal_eeprom,
1475         .open = simple_open,
1476         .owner = THIS_MODULE,
1477         .llseek = default_llseek,
1478 };
1479
1480 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1481 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1482                                 size_t count, loff_t *ppos)
1483 {
1484         struct ath_softc *sc = file->private_data;
1485         u32 len = 0, size = 1500;
1486         char *buf;
1487         size_t retval;
1488
1489         buf = kzalloc(size, GFP_KERNEL);
1490         if (buf == NULL)
1491                 return -ENOMEM;
1492
1493         if (!sc->sc_ah->common.btcoex_enabled) {
1494                 len = snprintf(buf, size, "%s\n",
1495                                "BTCOEX is disabled");
1496                 goto exit;
1497         }
1498
1499         len = ath9k_dump_btcoex(sc, buf, size);
1500 exit:
1501         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1502         kfree(buf);
1503
1504         return retval;
1505 }
1506
1507 static const struct file_operations fops_btcoex = {
1508         .read = read_file_btcoex,
1509         .open = simple_open,
1510         .owner = THIS_MODULE,
1511         .llseek = default_llseek,
1512 };
1513 #endif
1514
1515 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1516                                    size_t count, loff_t *ppos)
1517 {
1518         struct ath_node *an = file->private_data;
1519         struct ath_softc *sc = an->sc;
1520         struct ath_atx_tid *tid;
1521         struct ath_atx_ac *ac;
1522         struct ath_txq *txq;
1523         u32 len = 0, size = 4096;
1524         char *buf;
1525         size_t retval;
1526         int tidno, acno;
1527
1528         buf = kzalloc(size, GFP_KERNEL);
1529         if (buf == NULL)
1530                 return -ENOMEM;
1531
1532         if (!an->sta->ht_cap.ht_supported) {
1533                 len = snprintf(buf, size, "%s\n",
1534                                "HT not supported");
1535                 goto exit;
1536         }
1537
1538         len = snprintf(buf, size, "Max-AMPDU: %d\n",
1539                        an->maxampdu);
1540         len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1541                         an->mpdudensity);
1542
1543         len += snprintf(buf + len, size - len,
1544                         "%2s%7s\n", "AC", "SCHED");
1545
1546         for (acno = 0, ac = &an->ac[acno];
1547              acno < IEEE80211_NUM_ACS; acno++, ac++) {
1548                 txq = ac->txq;
1549                 ath_txq_lock(sc, txq);
1550                 len += snprintf(buf + len, size - len,
1551                                 "%2d%7d\n",
1552                                 acno, ac->sched);
1553                 ath_txq_unlock(sc, txq);
1554         }
1555
1556         len += snprintf(buf + len, size - len,
1557                         "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1558                         "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1559                         "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1560
1561         for (tidno = 0, tid = &an->tid[tidno];
1562              tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1563                 txq = tid->ac->txq;
1564                 ath_txq_lock(sc, txq);
1565                 len += snprintf(buf + len, size - len,
1566                                 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1567                                 tid->tidno, tid->seq_start, tid->seq_next,
1568                                 tid->baw_size, tid->baw_head, tid->baw_tail,
1569                                 tid->bar_index, tid->sched, tid->paused);
1570                 ath_txq_unlock(sc, txq);
1571         }
1572 exit:
1573         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1574         kfree(buf);
1575
1576         return retval;
1577 }
1578
1579 static const struct file_operations fops_node_stat = {
1580         .read = read_file_node_stat,
1581         .open = simple_open,
1582         .owner = THIS_MODULE,
1583         .llseek = default_llseek,
1584 };
1585
1586 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1587                            struct ieee80211_vif *vif,
1588                            struct ieee80211_sta *sta,
1589                            struct dentry *dir)
1590 {
1591         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1592         an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
1593                                             dir, an, &fops_node_stat);
1594 }
1595
1596 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
1597                               struct ieee80211_vif *vif,
1598                               struct ieee80211_sta *sta,
1599                               struct dentry *dir)
1600 {
1601         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1602         debugfs_remove(an->node_stat);
1603 }
1604
1605 /* Ethtool support for get-stats */
1606
1607 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1608 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1609         "tx_pkts_nic",
1610         "tx_bytes_nic",
1611         "rx_pkts_nic",
1612         "rx_bytes_nic",
1613         AMKSTR(d_tx_pkts),
1614         AMKSTR(d_tx_bytes),
1615         AMKSTR(d_tx_mpdus_queued),
1616         AMKSTR(d_tx_mpdus_completed),
1617         AMKSTR(d_tx_mpdu_xretries),
1618         AMKSTR(d_tx_aggregates),
1619         AMKSTR(d_tx_ampdus_queued_hw),
1620         AMKSTR(d_tx_ampdus_queued_sw),
1621         AMKSTR(d_tx_ampdus_completed),
1622         AMKSTR(d_tx_ampdu_retries),
1623         AMKSTR(d_tx_ampdu_xretries),
1624         AMKSTR(d_tx_fifo_underrun),
1625         AMKSTR(d_tx_op_exceeded),
1626         AMKSTR(d_tx_timer_expiry),
1627         AMKSTR(d_tx_desc_cfg_err),
1628         AMKSTR(d_tx_data_underrun),
1629         AMKSTR(d_tx_delim_underrun),
1630         "d_rx_crc_err",
1631         "d_rx_decrypt_crc_err",
1632         "d_rx_phy_err",
1633         "d_rx_mic_err",
1634         "d_rx_pre_delim_crc_err",
1635         "d_rx_post_delim_crc_err",
1636         "d_rx_decrypt_busy_err",
1637
1638         "d_rx_phyerr_radar",
1639         "d_rx_phyerr_ofdm_timing",
1640         "d_rx_phyerr_cck_timing",
1641
1642 };
1643 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1644
1645 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1646                           struct ieee80211_vif *vif,
1647                           u32 sset, u8 *data)
1648 {
1649         if (sset == ETH_SS_STATS)
1650                 memcpy(data, *ath9k_gstrings_stats,
1651                        sizeof(ath9k_gstrings_stats));
1652 }
1653
1654 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1655                             struct ieee80211_vif *vif, int sset)
1656 {
1657         if (sset == ETH_SS_STATS)
1658                 return ATH9K_SSTATS_LEN;
1659         return 0;
1660 }
1661
1662 #define AWDATA(elem)                                                    \
1663         do {                                                            \
1664                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1665                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1666                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1667                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1668         } while (0)
1669
1670 #define AWDATA_RX(elem)                                         \
1671         do {                                                    \
1672                 data[i++] = sc->debug.stats.rxstats.elem;       \
1673         } while (0)
1674
1675 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1676                         struct ieee80211_vif *vif,
1677                         struct ethtool_stats *stats, u64 *data)
1678 {
1679         struct ath_softc *sc = hw->priv;
1680         int i = 0;
1681
1682         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1683                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1684                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1685                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1686         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1687                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1688                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1689                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1690         AWDATA_RX(rx_pkts_all);
1691         AWDATA_RX(rx_bytes_all);
1692
1693         AWDATA(tx_pkts_all);
1694         AWDATA(tx_bytes_all);
1695         AWDATA(queued);
1696         AWDATA(completed);
1697         AWDATA(xretries);
1698         AWDATA(a_aggr);
1699         AWDATA(a_queued_hw);
1700         AWDATA(a_queued_sw);
1701         AWDATA(a_completed);
1702         AWDATA(a_retries);
1703         AWDATA(a_xretries);
1704         AWDATA(fifo_underrun);
1705         AWDATA(xtxop);
1706         AWDATA(timer_exp);
1707         AWDATA(desc_cfg_err);
1708         AWDATA(data_underrun);
1709         AWDATA(delim_underrun);
1710
1711         AWDATA_RX(crc_err);
1712         AWDATA_RX(decrypt_crc_err);
1713         AWDATA_RX(phy_err);
1714         AWDATA_RX(mic_err);
1715         AWDATA_RX(pre_delim_crc_err);
1716         AWDATA_RX(post_delim_crc_err);
1717         AWDATA_RX(decrypt_busy_err);
1718
1719         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1720         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1721         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1722
1723         WARN_ON(i != ATH9K_SSTATS_LEN);
1724 }
1725
1726 int ath9k_init_debug(struct ath_hw *ah)
1727 {
1728         struct ath_common *common = ath9k_hw_common(ah);
1729         struct ath_softc *sc = (struct ath_softc *) common->priv;
1730
1731         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1732                                                    sc->hw->wiphy->debugfsdir);
1733         if (!sc->debug.debugfs_phy)
1734                 return -ENOMEM;
1735
1736 #ifdef CONFIG_ATH_DEBUG
1737         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1738                             sc, &fops_debug);
1739 #endif
1740
1741         ath9k_dfs_init_debug(sc);
1742
1743         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1744                             &fops_dma);
1745         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1746                             &fops_interrupt);
1747         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1748                             &fops_xmit);
1749         debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1750                             &fops_queues);
1751         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1752                            &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1753         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1754                            &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1755         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1756                            &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1757         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1758                            &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1759         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1760                             &fops_misc);
1761         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1762                             &fops_reset);
1763         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1764                             &fops_recv);
1765         debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1766                             sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1767         debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1768                             sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1769         debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1770                             sc->debug.debugfs_phy, sc, &fops_ani);
1771         debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1772                             &sc->sc_ah->config.enable_paprd);
1773         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1774                             sc, &fops_regidx);
1775         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1776                             sc, &fops_regval);
1777         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1778                             sc->debug.debugfs_phy,
1779                             &ah->config.cwm_ignore_extcca);
1780         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1781                             &fops_regdump);
1782         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1783                             &fops_dump_nfcal);
1784         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1785                             &fops_base_eeprom);
1786         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1787                             &fops_modal_eeprom);
1788         sc->rfs_chan_spec_scan = relay_open("spectral_scan",
1789                                             sc->debug.debugfs_phy,
1790                                             1024, 256, &rfs_spec_scan_cb,
1791                                             NULL);
1792         debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
1793                             sc->debug.debugfs_phy, sc,
1794                             &fops_spec_scan_ctl);
1795         debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
1796                             sc->debug.debugfs_phy, sc,
1797                             &fops_spectral_short_repeat);
1798         debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
1799                             sc->debug.debugfs_phy, sc, &fops_spectral_count);
1800         debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
1801                             sc->debug.debugfs_phy, sc, &fops_spectral_period);
1802         debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
1803                             sc->debug.debugfs_phy, sc,
1804                             &fops_spectral_fft_period);
1805         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1806                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1807         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1808                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1809         debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
1810                             sc->debug.debugfs_phy, sc, &fops_ant_diversity);
1811 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1812         debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1813                             &fops_btcoex);
1814 #endif
1815         return 0;
1816 }