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 <asm/unaligned.h>
  20
  21 #include "ath9k.h"
  22
  23 #define REG_WRITE_D(_ah, _reg, _val) \
  24         ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  25 #define REG_READ_D(_ah, _reg) \
  26         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  27
  28 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
  29 {
  30         file->private_data = inode->i_private;
  31         return 0;
  32 }
  33
  34 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  35                                       size_t count, loff_t *ppos)
  36 {
  37         u8 *buf = file->private_data;
  38         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  39 }
  40
  41 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  42 {
  43         vfree(file->private_data);
  44         return 0;
  45 }
  46
  47 #ifdef CONFIG_ATH_DEBUG
  48
  49 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  50                              size_t count, loff_t *ppos)
  51 {
  52         struct ath_softc *sc = file->private_data;
  53         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  54         char buf[32];
  55         unsigned int len;
  56
  57         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  58         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  59 }
  60
  61 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  62                              size_t count, loff_t *ppos)
  63 {
  64         struct ath_softc *sc = file->private_data;
  65         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  66         unsigned long mask;
  67         char buf[32];
  68         ssize_t len;
  69
  70         len = min(count, sizeof(buf) - 1);
  71         if (copy_from_user(buf, user_buf, len))
  72                 return -EFAULT;
  73
  74         buf[len] = '\0';
  75         if (strict_strtoul(buf, 0, &mask))
  76                 return -EINVAL;
  77
  78         common->debug_mask = mask;
  79         return count;
  80 }
  81
  82 static const struct file_operations fops_debug = {
  83         .read = read_file_debug,
  84         .write = write_file_debug,
  85         .open = ath9k_debugfs_open,
  86         .owner = THIS_MODULE,
  87         .llseek = default_llseek,
  88 };
  89
  90 #endif
  91
  92 #define DMA_BUF_LEN 1024
  93
  94 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
  95                              size_t count, loff_t *ppos)
  96 {
  97         struct ath_softc *sc = file->private_data;
  98         struct ath_hw *ah = sc->sc_ah;
  99         char buf[32];
 100         unsigned int len;
 101
 102         len = sprintf(buf, "0x%08x\n", ah->txchainmask);
 103         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 104 }
 105
 106 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
 107                              size_t count, loff_t *ppos)
 108 {
 109         struct ath_softc *sc = file->private_data;
 110         struct ath_hw *ah = sc->sc_ah;
 111         unsigned long mask;
 112         char buf[32];
 113         ssize_t len;
 114
 115         len = min(count, sizeof(buf) - 1);
 116         if (copy_from_user(buf, user_buf, len))
 117                 return -EFAULT;
 118
 119         buf[len] = '\0';
 120         if (strict_strtoul(buf, 0, &mask))
 121                 return -EINVAL;
 122
 123         ah->txchainmask = mask;
 124         ah->caps.tx_chainmask = mask;
 125         return count;
 126 }
 127
 128 static const struct file_operations fops_tx_chainmask = {
 129         .read = read_file_tx_chainmask,
 130         .write = write_file_tx_chainmask,
 131         .open = ath9k_debugfs_open,
 132         .owner = THIS_MODULE,
 133         .llseek = default_llseek,
 134 };
 135
 136
 137 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
 138                              size_t count, loff_t *ppos)
 139 {
 140         struct ath_softc *sc = file->private_data;
 141         struct ath_hw *ah = sc->sc_ah;
 142         char buf[32];
 143         unsigned int len;
 144
 145         len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
 146         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 147 }
 148
 149 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
 150                              size_t count, loff_t *ppos)
 151 {
 152         struct ath_softc *sc = file->private_data;
 153         struct ath_hw *ah = sc->sc_ah;
 154         unsigned long mask;
 155         char buf[32];
 156         ssize_t len;
 157
 158         len = min(count, sizeof(buf) - 1);
 159         if (copy_from_user(buf, user_buf, len))
 160                 return -EFAULT;
 161
 162         buf[len] = '\0';
 163         if (strict_strtoul(buf, 0, &mask))
 164                 return -EINVAL;
 165
 166         ah->rxchainmask = mask;
 167         ah->caps.rx_chainmask = mask;
 168         return count;
 169 }
 170
 171 static const struct file_operations fops_rx_chainmask = {
 172         .read = read_file_rx_chainmask,
 173         .write = write_file_rx_chainmask,
 174         .open = ath9k_debugfs_open,
 175         .owner = THIS_MODULE,
 176         .llseek = default_llseek,
 177 };
 178
 179 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
 180                              size_t count, loff_t *ppos)
 181 {
 182         struct ath_softc *sc = file->private_data;
 183         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 184         char buf[32];
 185         unsigned int len;
 186
 187         len = sprintf(buf, "%d\n", common->disable_ani);
 188         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 189 }
 190
 191 static ssize_t write_file_disable_ani(struct file *file,
 192                                       const char __user *user_buf,
 193                                       size_t count, loff_t *ppos)
 194 {
 195         struct ath_softc *sc = file->private_data;
 196         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 197         unsigned long disable_ani;
 198         char buf[32];
 199         ssize_t len;
 200
 201         len = min(count, sizeof(buf) - 1);
 202         if (copy_from_user(buf, user_buf, len))
 203                 return -EFAULT;
 204
 205         buf[len] = '\0';
 206         if (strict_strtoul(buf, 0, &disable_ani))
 207                 return -EINVAL;
 208
 209         common->disable_ani = !!disable_ani;
 210
 211         if (disable_ani) {
 212                 sc->sc_flags &= ~SC_OP_ANI_RUN;
 213                 del_timer_sync(&common->ani.timer);
 214         } else {
 215                 sc->sc_flags |= SC_OP_ANI_RUN;
 216                 ath_start_ani(common);
 217         }
 218
 219         return count;
 220 }
 221
 222 static const struct file_operations fops_disable_ani = {
 223         .read = read_file_disable_ani,
 224         .write = write_file_disable_ani,
 225         .open = ath9k_debugfs_open,
 226         .owner = THIS_MODULE,
 227         .llseek = default_llseek,
 228 };
 229
 230 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 231                              size_t count, loff_t *ppos)
 232 {
 233         struct ath_softc *sc = file->private_data;
 234         struct ath_hw *ah = sc->sc_ah;
 235         char *buf;
 236         int retval;
 237         unsigned int len = 0;
 238         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 239         int i, qcuOffset = 0, dcuOffset = 0;
 240         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 241
 242         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 243         if (!buf)
 244                 return -ENOMEM;
 245
 246         ath9k_ps_wakeup(sc);
 247
 248         REG_WRITE_D(ah, AR_MACMISC,
 249                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 250                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 251                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 252
 253         len += snprintf(buf + len, DMA_BUF_LEN - len,
 254                         "Raw DMA Debug values:\n");
 255
 256         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 257                 if (i % 4 == 0)
 258                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 259
 260                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 261                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 262                                 i, val[i]);
 263         }
 264
 265         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 266         len += snprintf(buf + len, DMA_BUF_LEN - len,
 267                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 268
 269         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 270                 if (i == 8) {
 271                         qcuOffset = 0;
 272                         qcuBase++;
 273                 }
 274
 275                 if (i == 6) {
 276                         dcuOffset = 0;
 277                         dcuBase++;
 278                 }
 279
 280                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 281                         "%2d          %2x      %1x     %2x           %2x\n",
 282                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 283                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 284                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 285                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 286         }
 287
 288         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 289
 290         len += snprintf(buf + len, DMA_BUF_LEN - len,
 291                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 292                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 293         len += snprintf(buf + len, DMA_BUF_LEN - len,
 294                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 295                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 296         len += snprintf(buf + len, DMA_BUF_LEN - len,
 297                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 298                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 299         len += snprintf(buf + len, DMA_BUF_LEN - len,
 300                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 301                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 302         len += snprintf(buf + len, DMA_BUF_LEN - len,
 303                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 304                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 305         len += snprintf(buf + len, DMA_BUF_LEN - len,
 306                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 307                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 308
 309         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 310                         REG_READ_D(ah, AR_OBS_BUS_1));
 311         len += snprintf(buf + len, DMA_BUF_LEN - len,
 312                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 313
 314         ath9k_ps_restore(sc);
 315
 316         if (len > DMA_BUF_LEN)
 317                 len = DMA_BUF_LEN;
 318
 319         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 320         kfree(buf);
 321         return retval;
 322 }
 323
 324 static const struct file_operations fops_dma = {
 325         .read = read_file_dma,
 326         .open = ath9k_debugfs_open,
 327         .owner = THIS_MODULE,
 328         .llseek = default_llseek,
 329 };
 330
 331
 332 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 333 {
 334         if (status)
 335                 sc->debug.stats.istats.total++;
 336         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 337                 if (status & ATH9K_INT_RXLP)
 338                         sc->debug.stats.istats.rxlp++;
 339                 if (status & ATH9K_INT_RXHP)
 340                         sc->debug.stats.istats.rxhp++;
 341                 if (status & ATH9K_INT_BB_WATCHDOG)
 342                         sc->debug.stats.istats.bb_watchdog++;
 343         } else {
 344                 if (status & ATH9K_INT_RX)
 345                         sc->debug.stats.istats.rxok++;
 346         }
 347         if (status & ATH9K_INT_RXEOL)
 348                 sc->debug.stats.istats.rxeol++;
 349         if (status & ATH9K_INT_RXORN)
 350                 sc->debug.stats.istats.rxorn++;
 351         if (status & ATH9K_INT_TX)
 352                 sc->debug.stats.istats.txok++;
 353         if (status & ATH9K_INT_TXURN)
 354                 sc->debug.stats.istats.txurn++;
 355         if (status & ATH9K_INT_MIB)
 356                 sc->debug.stats.istats.mib++;
 357         if (status & ATH9K_INT_RXPHY)
 358                 sc->debug.stats.istats.rxphyerr++;
 359         if (status & ATH9K_INT_RXKCM)
 360                 sc->debug.stats.istats.rx_keycache_miss++;
 361         if (status & ATH9K_INT_SWBA)
 362                 sc->debug.stats.istats.swba++;
 363         if (status & ATH9K_INT_BMISS)
 364                 sc->debug.stats.istats.bmiss++;
 365         if (status & ATH9K_INT_BNR)
 366                 sc->debug.stats.istats.bnr++;
 367         if (status & ATH9K_INT_CST)
 368                 sc->debug.stats.istats.cst++;
 369         if (status & ATH9K_INT_GTT)
 370                 sc->debug.stats.istats.gtt++;
 371         if (status & ATH9K_INT_TIM)
 372                 sc->debug.stats.istats.tim++;
 373         if (status & ATH9K_INT_CABEND)
 374                 sc->debug.stats.istats.cabend++;
 375         if (status & ATH9K_INT_DTIMSYNC)
 376                 sc->debug.stats.istats.dtimsync++;
 377         if (status & ATH9K_INT_DTIM)
 378                 sc->debug.stats.istats.dtim++;
 379         if (status & ATH9K_INT_TSFOOR)
 380                 sc->debug.stats.istats.tsfoor++;
 381 }
 382
 383 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 384                                    size_t count, loff_t *ppos)
 385 {
 386         struct ath_softc *sc = file->private_data;
 387         char buf[512];
 388         unsigned int len = 0;
 389
 390         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 391                 len += snprintf(buf + len, sizeof(buf) - len,
 392                         "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
 393                 len += snprintf(buf + len, sizeof(buf) - len,
 394                         "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
 395                 len += snprintf(buf + len, sizeof(buf) - len,
 396                         "%8s: %10u\n", "WATCHDOG",
 397                         sc->debug.stats.istats.bb_watchdog);
 398         } else {
 399                 len += snprintf(buf + len, sizeof(buf) - len,
 400                         "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
 401         }
 402         len += snprintf(buf + len, sizeof(buf) - len,
 403                 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
 404         len += snprintf(buf + len, sizeof(buf) - len,
 405                 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
 406         len += snprintf(buf + len, sizeof(buf) - len,
 407                 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
 408         len += snprintf(buf + len, sizeof(buf) - len,
 409                 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
 410         len += snprintf(buf + len, sizeof(buf) - len,
 411                 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
 412         len += snprintf(buf + len, sizeof(buf) - len,
 413                 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
 414         len += snprintf(buf + len, sizeof(buf) - len,
 415                 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
 416         len += snprintf(buf + len, sizeof(buf) - len,
 417                 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
 418         len += snprintf(buf + len, sizeof(buf) - len,
 419                 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
 420         len += snprintf(buf + len, sizeof(buf) - len,
 421                 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
 422         len += snprintf(buf + len, sizeof(buf) - len,
 423                 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
 424         len += snprintf(buf + len, sizeof(buf) - len,
 425                 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
 426         len += snprintf(buf + len, sizeof(buf) - len,
 427                 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
 428         len += snprintf(buf + len, sizeof(buf) - len,
 429                 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
 430         len += snprintf(buf + len, sizeof(buf) - len,
 431                 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
 432         len += snprintf(buf + len, sizeof(buf) - len,
 433                 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
 434         len += snprintf(buf + len, sizeof(buf) - len,
 435                 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
 436         len += snprintf(buf + len, sizeof(buf) - len,
 437                 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
 438
 439
 440         if (len > sizeof(buf))
 441                 len = sizeof(buf);
 442
 443         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 444 }
 445
 446 static const struct file_operations fops_interrupt = {
 447         .read = read_file_interrupt,
 448         .open = ath9k_debugfs_open,
 449         .owner = THIS_MODULE,
 450         .llseek = default_llseek,
 451 };
 452
 453 static const char *channel_type_str(enum nl80211_channel_type t)
 454 {
 455         switch (t) {
 456         case NL80211_CHAN_NO_HT:
 457                 return "no ht";
 458         case NL80211_CHAN_HT20:
 459                 return "ht20";
 460         case NL80211_CHAN_HT40MINUS:
 461                 return "ht40-";
 462         case NL80211_CHAN_HT40PLUS:
 463                 return "ht40+";
 464         default:
 465                 return "???";
 466         }
 467 }
 468
 469 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
 470                                size_t count, loff_t *ppos)
 471 {
 472         struct ath_softc *sc = file->private_data;
 473         struct ieee80211_channel *chan = sc->hw->conf.channel;
 474         struct ieee80211_conf *conf = &(sc->hw->conf);
 475         char buf[512];
 476         unsigned int len = 0;
 477         u8 addr[ETH_ALEN];
 478         u32 tmp;
 479
 480         len += snprintf(buf + len, sizeof(buf) - len,
 481                         "%s (chan=%d  center-freq: %d MHz  channel-type: %d (%s))\n",
 482                         wiphy_name(sc->hw->wiphy),
 483                         ieee80211_frequency_to_channel(chan->center_freq),
 484                         chan->center_freq,
 485                         conf->channel_type,
 486                         channel_type_str(conf->channel_type));
 487
 488         ath9k_ps_wakeup(sc);
 489         put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
 490         put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
 491         len += snprintf(buf + len, sizeof(buf) - len,
 492                         "addr: %pM\n", addr);
 493         put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
 494         put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
 495         len += snprintf(buf + len, sizeof(buf) - len,
 496                         "addrmask: %pM\n", addr);
 497         tmp = ath9k_hw_getrxfilter(sc->sc_ah);
 498         ath9k_ps_restore(sc);
 499         len += snprintf(buf + len, sizeof(buf) - len,
 500                         "rfilt: 0x%x", tmp);
 501         if (tmp & ATH9K_RX_FILTER_UCAST)
 502                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 503         if (tmp & ATH9K_RX_FILTER_MCAST)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 505         if (tmp & ATH9K_RX_FILTER_BCAST)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 507         if (tmp & ATH9K_RX_FILTER_CONTROL)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 509         if (tmp & ATH9K_RX_FILTER_BEACON)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 511         if (tmp & ATH9K_RX_FILTER_PROM)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 513         if (tmp & ATH9K_RX_FILTER_PROBEREQ)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 515         if (tmp & ATH9K_RX_FILTER_PHYERR)
 516                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 517         if (tmp & ATH9K_RX_FILTER_MYBEACON)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 519         if (tmp & ATH9K_RX_FILTER_COMP_BAR)
 520                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 521         if (tmp & ATH9K_RX_FILTER_PSPOLL)
 522                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 523         if (tmp & ATH9K_RX_FILTER_PHYRADAR)
 524                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 525         if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 526                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 527
 528         len += snprintf(buf + len, sizeof(buf) - len,
 529                        "\n\nReset causes:\n"
 530                        "  baseband hang: %d\n"
 531                        "  baseband watchdog: %d\n"
 532                        "  fatal hardware error interrupt: %d\n"
 533                        "  tx hardware error: %d\n"
 534                        "  tx path hang: %d\n"
 535                        "  pll rx hang: %d\n",
 536                        sc->debug.stats.reset[RESET_TYPE_BB_HANG],
 537                        sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
 538                        sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
 539                        sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
 540                        sc->debug.stats.reset[RESET_TYPE_TX_HANG],
 541                        sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 542
 543         if (len > sizeof(buf))
 544                 len = sizeof(buf);
 545
 546         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 547 }
 548
 549 static const struct file_operations fops_wiphy = {
 550         .read = read_file_wiphy,
 551         .open = ath9k_debugfs_open,
 552         .owner = THIS_MODULE,
 553         .llseek = default_llseek,
 554 };
 555
 556 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
 557 #define PR(str, elem)                                                   \
 558         do {                                                            \
 559                 len += snprintf(buf + len, size - len,                  \
 560                                 "%s%13u%11u%10u%10u\n", str,            \
 561                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
 562                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
 563                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
 564                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
 565                 if (len >= size)                          \
 566                         goto done;                        \
 567 } while(0)
 568
 569 #define PRX(str, elem)                                                  \
 570 do {                                                                    \
 571         len += snprintf(buf + len, size - len,                          \
 572                         "%s%13u%11u%10u%10u\n", str,                    \
 573                         (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem),        \
 574                         (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem),        \
 575                         (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem),        \
 576                         (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem));       \
 577         if (len >= size)                                                \
 578                 goto done;                                              \
 579 } while(0)
 580
 581 #define PRQLE(str, elem)                                                \
 582 do {                                                                    \
 583         len += snprintf(buf + len, size - len,                          \
 584                         "%s%13i%11i%10i%10i\n", str,                    \
 585                         list_empty(&sc->tx.txq_map[WME_AC_BE]->elem),   \
 586                         list_empty(&sc->tx.txq_map[WME_AC_BK]->elem),   \
 587                         list_empty(&sc->tx.txq_map[WME_AC_VI]->elem),   \
 588                         list_empty(&sc->tx.txq_map[WME_AC_VO]->elem));  \
 589         if (len >= size)                                                \
 590                 goto done;                                              \
 591 } while (0)
 592
 593 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 594                               size_t count, loff_t *ppos)
 595 {
 596         struct ath_softc *sc = file->private_data;
 597         char *buf;
 598         unsigned int len = 0, size = 8000;
 599         int i;
 600         ssize_t retval = 0;
 601         char tmp[32];
 602
 603         buf = kzalloc(size, GFP_KERNEL);
 604         if (buf == NULL)
 605                 return -ENOMEM;
 606
 607         len += sprintf(buf, "Num-Tx-Queues: %i  tx-queues-setup: 0x%x"
 608                        " poll-work-seen: %u\n"
 609                        "%30s %10s%10s%10s\n\n",
 610                        ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
 611                        sc->tx_complete_poll_work_seen,
 612                        "BE", "BK", "VI", "VO");
 613
 614         PR("MPDUs Queued:    ", queued);
 615         PR("MPDUs Completed: ", completed);
 616         PR("MPDUs XRetried:  ", xretries);
 617         PR("Aggregates:      ", a_aggr);
 618         PR("AMPDUs Queued HW:", a_queued_hw);
 619         PR("AMPDUs Queued SW:", a_queued_sw);
 620         PR("AMPDUs Completed:", a_completed);
 621         PR("AMPDUs Retried:  ", a_retries);
 622         PR("AMPDUs XRetried: ", a_xretries);
 623         PR("FIFO Underrun:   ", fifo_underrun);
 624         PR("TXOP Exceeded:   ", xtxop);
 625         PR("TXTIMER Expiry:  ", timer_exp);
 626         PR("DESC CFG Error:  ", desc_cfg_err);
 627         PR("DATA Underrun:   ", data_underrun);
 628         PR("DELIM Underrun:  ", delim_underrun);
 629         PR("TX-Pkts-All:     ", tx_pkts_all);
 630         PR("TX-Bytes-All:    ", tx_bytes_all);
 631         PR("hw-put-tx-buf:   ", puttxbuf);
 632         PR("hw-tx-start:     ", txstart);
 633         PR("hw-tx-proc-desc: ", txprocdesc);
 634         len += snprintf(buf + len, size - len,
 635                         "%s%11p%11p%10p%10p\n", "txq-memory-address:",
 636                         sc->tx.txq_map[WME_AC_BE],
 637                         sc->tx.txq_map[WME_AC_BK],
 638                         sc->tx.txq_map[WME_AC_VI],
 639                         sc->tx.txq_map[WME_AC_VO]);
 640         if (len >= size)
 641                 goto done;
 642
 643         PRX("axq-qnum:        ", axq_qnum);
 644         PRX("axq-depth:       ", axq_depth);
 645         PRX("axq-ampdu_depth: ", axq_ampdu_depth);
 646         PRX("axq-stopped      ", stopped);
 647         PRX("tx-in-progress   ", axq_tx_inprogress);
 648         PRX("pending-frames   ", pending_frames);
 649         PRX("txq_headidx:     ", txq_headidx);
 650         PRX("txq_tailidx:     ", txq_headidx);
 651
 652         PRQLE("axq_q empty:       ", axq_q);
 653         PRQLE("axq_acq empty:     ", axq_acq);
 654         for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
 655                 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
 656                 PRQLE(tmp, txq_fifo[i]);
 657         }
 658
 659         /* Print out more detailed queue-info */
 660         for (i = 0; i <= WME_AC_BK; i++) {
 661                 struct ath_txq *txq = &(sc->tx.txq[i]);
 662                 struct ath_atx_ac *ac;
 663                 struct ath_atx_tid *tid;
 664                 if (len >= size)
 665                         goto done;
 666                 spin_lock_bh(&txq->axq_lock);
 667                 if (!list_empty(&txq->axq_acq)) {
 668                         ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
 669                                               list);
 670                         len += snprintf(buf + len, size - len,
 671                                         "txq[%i] first-ac: %p sched: %i\n",
 672                                         i, ac, ac->sched);
 673                         if (list_empty(&ac->tid_q) || (len >= size))
 674                                 goto done_for;
 675                         tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
 676                                                list);
 677                         len += snprintf(buf + len, size - len,
 678                                         " first-tid: %p sched: %i paused: %i\n",
 679                                         tid, tid->sched, tid->paused);
 680                 }
 681         done_for:
 682                 spin_unlock_bh(&txq->axq_lock);
 683         }
 684
 685 done:
 686         if (len > size)
 687                 len = size;
 688
 689         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 690         kfree(buf);
 691
 692         return retval;
 693 }
 694
 695 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
 696                                   size_t count, loff_t *ppos)
 697 {
 698         struct ath_softc *sc = file->private_data;
 699         char *buf;
 700         unsigned int len = 0, size = 64000;
 701         struct ath_node *an = NULL;
 702         ssize_t retval = 0;
 703         int q;
 704
 705         buf = kzalloc(size, GFP_KERNEL);
 706         if (buf == NULL)
 707                 return -ENOMEM;
 708
 709         len += snprintf(buf + len, size - len,
 710                         "Stations:\n"
 711                         " tid: addr sched paused buf_q-empty an ac\n"
 712                         " ac: addr sched tid_q-empty txq\n");
 713
 714         spin_lock(&sc->nodes_lock);
 715         list_for_each_entry(an, &sc->nodes, list) {
 716                 len += snprintf(buf + len, size - len,
 717                                 "%pM\n", an->sta->addr);
 718                 if (len >= size)
 719                         goto done;
 720
 721                 for (q = 0; q < WME_NUM_TID; q++) {
 722                         struct ath_atx_tid *tid = &(an->tid[q]);
 723                         len += snprintf(buf + len, size - len,
 724                                         " tid: %p %s %s %i %p %p\n",
 725                                         tid, tid->sched ? "sched" : "idle",
 726                                         tid->paused ? "paused" : "running",
 727                                         skb_queue_empty(&tid->buf_q),
 728                                         tid->an, tid->ac);
 729                         if (len >= size)
 730                                 goto done;
 731                 }
 732
 733                 for (q = 0; q < WME_NUM_AC; q++) {
 734                         struct ath_atx_ac *ac = &(an->ac[q]);
 735                         len += snprintf(buf + len, size - len,
 736                                         " ac: %p %s %i %p\n",
 737                                         ac, ac->sched ? "sched" : "idle",
 738                                         list_empty(&ac->tid_q), ac->txq);
 739                         if (len >= size)
 740                                 goto done;
 741                 }
 742         }
 743
 744 done:
 745         spin_unlock(&sc->nodes_lock);
 746         if (len > size)
 747                 len = size;
 748
 749         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 750         kfree(buf);
 751
 752         return retval;
 753 }
 754
 755 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 756                               size_t count, loff_t *ppos)
 757 {
 758         struct ath_softc *sc = file->private_data;
 759         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 760         struct ath_hw *ah = sc->sc_ah;
 761         struct ieee80211_hw *hw = sc->hw;
 762         char *buf;
 763         unsigned int len = 0, size = 8000;
 764         ssize_t retval = 0;
 765         unsigned int reg;
 766         struct ath9k_vif_iter_data iter_data;
 767
 768         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 769
 770         buf = kzalloc(size, GFP_KERNEL);
 771         if (buf == NULL)
 772                 return -ENOMEM;
 773
 774         ath9k_ps_wakeup(sc);
 775         len += snprintf(buf + len, size - len,
 776                         "curbssid: %pM\n"
 777                         "OP-Mode: %s(%i)\n"
 778                         "Beacon-Timer-Register: 0x%x\n",
 779                         common->curbssid,
 780                         ath_opmode_to_string(sc->sc_ah->opmode),
 781                         (int)(sc->sc_ah->opmode),
 782                         REG_READ(ah, AR_BEACON_PERIOD));
 783
 784         reg = REG_READ(ah, AR_TIMER_MODE);
 785         ath9k_ps_restore(sc);
 786         len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
 787                         reg);
 788         if (reg & AR_TBTT_TIMER_EN)
 789                 len += snprintf(buf + len, size - len, "TBTT ");
 790         if (reg & AR_DBA_TIMER_EN)
 791                 len += snprintf(buf + len, size - len, "DBA ");
 792         if (reg & AR_SWBA_TIMER_EN)
 793                 len += snprintf(buf + len, size - len, "SWBA ");
 794         if (reg & AR_HCF_TIMER_EN)
 795                 len += snprintf(buf + len, size - len, "HCF ");
 796         if (reg & AR_TIM_TIMER_EN)
 797                 len += snprintf(buf + len, size - len, "TIM ");
 798         if (reg & AR_DTIM_TIMER_EN)
 799                 len += snprintf(buf + len, size - len, "DTIM ");
 800         len += snprintf(buf + len, size - len, ")\n");
 801
 802         reg = sc->sc_ah->imask;
 803         len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
 804         if (reg & ATH9K_INT_SWBA)
 805                 len += snprintf(buf + len, size - len, "SWBA ");
 806         if (reg & ATH9K_INT_BMISS)
 807                 len += snprintf(buf + len, size - len, "BMISS ");
 808         if (reg & ATH9K_INT_CST)
 809                 len += snprintf(buf + len, size - len, "CST ");
 810         if (reg & ATH9K_INT_RX)
 811                 len += snprintf(buf + len, size - len, "RX ");
 812         if (reg & ATH9K_INT_RXHP)
 813                 len += snprintf(buf + len, size - len, "RXHP ");
 814         if (reg & ATH9K_INT_RXLP)
 815                 len += snprintf(buf + len, size - len, "RXLP ");
 816         if (reg & ATH9K_INT_BB_WATCHDOG)
 817                 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
 818         /* there are other IRQs if one wanted to add them. */
 819         len += snprintf(buf + len, size - len, ")\n");
 820
 821         len += snprintf(buf + len, size - len,
 822                         "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
 823                         " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
 824                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 825                         iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
 826                         sc->nvifs, sc->nbcnvifs);
 827
 828         len += snprintf(buf + len, size - len,
 829                         "Calculated-BSSID-Mask: %pM\n",
 830                         iter_data.mask);
 831
 832         if (len > size)
 833                 len = size;
 834
 835         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 836         kfree(buf);
 837
 838         return retval;
 839 }
 840
 841 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 842                        struct ath_tx_status *ts, struct ath_txq *txq,
 843                        unsigned int flags)
 844 {
 845 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
 846                         [sc->debug.tsidx].c)
 847         int qnum = txq->axq_qnum;
 848
 849         TX_STAT_INC(qnum, tx_pkts_all);
 850         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 851
 852         if (bf_isampdu(bf)) {
 853                 if (flags & ATH_TX_BAR)
 854                         TX_STAT_INC(qnum, a_xretries);
 855                 else
 856                         TX_STAT_INC(qnum, a_completed);
 857         } else {
 858                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 859                         TX_STAT_INC(qnum, xretries);
 860                 else
 861                         TX_STAT_INC(qnum, completed);
 862         }
 863
 864         if (ts->ts_status & ATH9K_TXERR_FIFO)
 865                 TX_STAT_INC(qnum, fifo_underrun);
 866         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 867                 TX_STAT_INC(qnum, xtxop);
 868         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 869                 TX_STAT_INC(qnum, timer_exp);
 870         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 871                 TX_STAT_INC(qnum, desc_cfg_err);
 872         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 873                 TX_STAT_INC(qnum, data_underrun);
 874         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 875                 TX_STAT_INC(qnum, delim_underrun);
 876
 877         spin_lock(&sc->debug.samp_lock);
 878         TX_SAMP_DBG(jiffies) = jiffies;
 879         TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
 880         TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
 881         TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
 882         TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
 883         TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
 884         TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
 885         TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
 886         TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
 887         TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
 888         TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
 889         TX_SAMP_DBG(rssi) = ts->ts_rssi;
 890         TX_SAMP_DBG(tid) = ts->tid;
 891         TX_SAMP_DBG(qid) = ts->qid;
 892
 893         if (ts->ts_flags & ATH9K_TX_BA) {
 894                 TX_SAMP_DBG(ba_low) = ts->ba_low;
 895                 TX_SAMP_DBG(ba_high) = ts->ba_high;
 896         } else {
 897                 TX_SAMP_DBG(ba_low) = 0;
 898                 TX_SAMP_DBG(ba_high) = 0;
 899         }
 900
 901         sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
 902         spin_unlock(&sc->debug.samp_lock);
 903
 904 #undef TX_SAMP_DBG
 905 }
 906
 907 static const struct file_operations fops_xmit = {
 908         .read = read_file_xmit,
 909         .open = ath9k_debugfs_open,
 910         .owner = THIS_MODULE,
 911         .llseek = default_llseek,
 912 };
 913
 914 static const struct file_operations fops_stations = {
 915         .read = read_file_stations,
 916         .open = ath9k_debugfs_open,
 917         .owner = THIS_MODULE,
 918         .llseek = default_llseek,
 919 };
 920
 921 static const struct file_operations fops_misc = {
 922         .read = read_file_misc,
 923         .open = ath9k_debugfs_open,
 924         .owner = THIS_MODULE,
 925         .llseek = default_llseek,
 926 };
 927
 928 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 929                               size_t count, loff_t *ppos)
 930 {
 931 #define PHY_ERR(s, p) \
 932         len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
 933                         sc->debug.stats.rxstats.phy_err_stats[p]);
 934
 935         struct ath_softc *sc = file->private_data;
 936         char *buf;
 937         unsigned int len = 0, size = 1400;
 938         ssize_t retval = 0;
 939
 940         buf = kzalloc(size, GFP_KERNEL);
 941         if (buf == NULL)
 942                 return -ENOMEM;
 943
 944         len += snprintf(buf + len, size - len,
 945                         "%18s : %10u\n", "CRC ERR",
 946                         sc->debug.stats.rxstats.crc_err);
 947         len += snprintf(buf + len, size - len,
 948                         "%18s : %10u\n", "DECRYPT CRC ERR",
 949                         sc->debug.stats.rxstats.decrypt_crc_err);
 950         len += snprintf(buf + len, size - len,
 951                         "%18s : %10u\n", "PHY ERR",
 952                         sc->debug.stats.rxstats.phy_err);
 953         len += snprintf(buf + len, size - len,
 954                         "%18s : %10u\n", "MIC ERR",
 955                         sc->debug.stats.rxstats.mic_err);
 956         len += snprintf(buf + len, size - len,
 957                         "%18s : %10u\n", "PRE-DELIM CRC ERR",
 958                         sc->debug.stats.rxstats.pre_delim_crc_err);
 959         len += snprintf(buf + len, size - len,
 960                         "%18s : %10u\n", "POST-DELIM CRC ERR",
 961                         sc->debug.stats.rxstats.post_delim_crc_err);
 962         len += snprintf(buf + len, size - len,
 963                         "%18s : %10u\n", "DECRYPT BUSY ERR",
 964                         sc->debug.stats.rxstats.decrypt_busy_err);
 965
 966         len += snprintf(buf + len, size - len,
 967                         "%18s : %10d\n", "RSSI-CTL0",
 968                         sc->debug.stats.rxstats.rs_rssi_ctl0);
 969
 970         len += snprintf(buf + len, size - len,
 971                         "%18s : %10d\n", "RSSI-CTL1",
 972                         sc->debug.stats.rxstats.rs_rssi_ctl1);
 973
 974         len += snprintf(buf + len, size - len,
 975                         "%18s : %10d\n", "RSSI-CTL2",
 976                         sc->debug.stats.rxstats.rs_rssi_ctl2);
 977
 978         len += snprintf(buf + len, size - len,
 979                         "%18s : %10d\n", "RSSI-EXT0",
 980                         sc->debug.stats.rxstats.rs_rssi_ext0);
 981
 982         len += snprintf(buf + len, size - len,
 983                         "%18s : %10d\n", "RSSI-EXT1",
 984                         sc->debug.stats.rxstats.rs_rssi_ext1);
 985
 986         len += snprintf(buf + len, size - len,
 987                         "%18s : %10d\n", "RSSI-EXT2",
 988                         sc->debug.stats.rxstats.rs_rssi_ext2);
 989
 990         len += snprintf(buf + len, size - len,
 991                         "%18s : %10d\n", "Rx Antenna",
 992                         sc->debug.stats.rxstats.rs_antenna);
 993
 994         PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
 995         PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
 996         PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
 997         PHY_ERR("RATE", ATH9K_PHYERR_RATE);
 998         PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
 999         PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1000         PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1001         PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1002         PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1003         PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1004         PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1005         PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1006         PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1007         PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1008         PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1009         PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1010         PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1011         PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1012         PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1013         PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1014         PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1015         PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1016         PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1017         PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1018         PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1019         PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1020
1021         len += snprintf(buf + len, size - len,
1022                         "%18s : %10u\n", "RX-Pkts-All",
1023                         sc->debug.stats.rxstats.rx_pkts_all);
1024         len += snprintf(buf + len, size - len,
1025                         "%18s : %10u\n", "RX-Bytes-All",
1026                         sc->debug.stats.rxstats.rx_bytes_all);
1027
1028         if (len > size)
1029                 len = size;
1030
1031         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1032         kfree(buf);
1033
1034         return retval;
1035
1036 #undef PHY_ERR
1037 }
1038
1039 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1040 {
1041 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1042 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1043 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1044                         [sc->debug.rsidx].c)
1045
1046         u32 phyerr;
1047
1048         RX_STAT_INC(rx_pkts_all);
1049         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1050
1051         if (rs->rs_status & ATH9K_RXERR_CRC)
1052                 RX_STAT_INC(crc_err);
1053         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1054                 RX_STAT_INC(decrypt_crc_err);
1055         if (rs->rs_status & ATH9K_RXERR_MIC)
1056                 RX_STAT_INC(mic_err);
1057         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1058                 RX_STAT_INC(pre_delim_crc_err);
1059         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1060                 RX_STAT_INC(post_delim_crc_err);
1061         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1062                 RX_STAT_INC(decrypt_busy_err);
1063
1064         if (rs->rs_status & ATH9K_RXERR_PHY) {
1065                 RX_STAT_INC(phy_err);
1066                 phyerr = rs->rs_phyerr & 0x24;
1067                 RX_PHY_ERR_INC(phyerr);
1068         }
1069
1070         sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1071         sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1072         sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1073
1074         sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1075         sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1076         sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1077
1078         sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1079
1080         spin_lock(&sc->debug.samp_lock);
1081         RX_SAMP_DBG(jiffies) = jiffies;
1082         RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1083         RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1084         RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1085         RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1086         RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1087         RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1088         RX_SAMP_DBG(antenna) = rs->rs_antenna;
1089         RX_SAMP_DBG(rssi) = rs->rs_rssi;
1090         RX_SAMP_DBG(rate) = rs->rs_rate;
1091         RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1092
1093         sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1094         spin_unlock(&sc->debug.samp_lock);
1095
1096 #undef RX_STAT_INC
1097 #undef RX_PHY_ERR_INC
1098 #undef RX_SAMP_DBG
1099 }
1100
1101 static const struct file_operations fops_recv = {
1102         .read = read_file_recv,
1103         .open = ath9k_debugfs_open,
1104         .owner = THIS_MODULE,
1105         .llseek = default_llseek,
1106 };
1107
1108 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1109                                 size_t count, loff_t *ppos)
1110 {
1111         struct ath_softc *sc = file->private_data;
1112         char buf[32];
1113         unsigned int len;
1114
1115         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1116         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1117 }
1118
1119 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1120                              size_t count, loff_t *ppos)
1121 {
1122         struct ath_softc *sc = file->private_data;
1123         unsigned long regidx;
1124         char buf[32];
1125         ssize_t len;
1126
1127         len = min(count, sizeof(buf) - 1);
1128         if (copy_from_user(buf, user_buf, len))
1129                 return -EFAULT;
1130
1131         buf[len] = '\0';
1132         if (strict_strtoul(buf, 0, &regidx))
1133                 return -EINVAL;
1134
1135         sc->debug.regidx = regidx;
1136         return count;
1137 }
1138
1139 static const struct file_operations fops_regidx = {
1140         .read = read_file_regidx,
1141         .write = write_file_regidx,
1142         .open = ath9k_debugfs_open,
1143         .owner = THIS_MODULE,
1144         .llseek = default_llseek,
1145 };
1146
1147 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1148                              size_t count, loff_t *ppos)
1149 {
1150         struct ath_softc *sc = file->private_data;
1151         struct ath_hw *ah = sc->sc_ah;
1152         char buf[32];
1153         unsigned int len;
1154         u32 regval;
1155
1156         ath9k_ps_wakeup(sc);
1157         regval = REG_READ_D(ah, sc->debug.regidx);
1158         ath9k_ps_restore(sc);
1159         len = sprintf(buf, "0x%08x\n", regval);
1160         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1161 }
1162
1163 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1164                              size_t count, loff_t *ppos)
1165 {
1166         struct ath_softc *sc = file->private_data;
1167         struct ath_hw *ah = sc->sc_ah;
1168         unsigned long regval;
1169         char buf[32];
1170         ssize_t len;
1171
1172         len = min(count, sizeof(buf) - 1);
1173         if (copy_from_user(buf, user_buf, len))
1174                 return -EFAULT;
1175
1176         buf[len] = '\0';
1177         if (strict_strtoul(buf, 0, &regval))
1178                 return -EINVAL;
1179
1180         ath9k_ps_wakeup(sc);
1181         REG_WRITE_D(ah, sc->debug.regidx, regval);
1182         ath9k_ps_restore(sc);
1183         return count;
1184 }
1185
1186 static const struct file_operations fops_regval = {
1187         .read = read_file_regval,
1188         .write = write_file_regval,
1189         .open = ath9k_debugfs_open,
1190         .owner = THIS_MODULE,
1191         .llseek = default_llseek,
1192 };
1193
1194 #define REGDUMP_LINE_SIZE       20
1195
1196 static int open_file_regdump(struct inode *inode, struct file *file)
1197 {
1198         struct ath_softc *sc = inode->i_private;
1199         unsigned int len = 0;
1200         u8 *buf;
1201         int i;
1202         unsigned long num_regs, regdump_len, max_reg_offset;
1203
1204         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1205         num_regs = max_reg_offset / 4 + 1;
1206         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1207         buf = vmalloc(regdump_len);
1208         if (!buf)
1209                 return -ENOMEM;
1210
1211         ath9k_ps_wakeup(sc);
1212         for (i = 0; i < num_regs; i++)
1213                 len += scnprintf(buf + len, regdump_len - len,
1214                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1215         ath9k_ps_restore(sc);
1216
1217         file->private_data = buf;
1218
1219         return 0;
1220 }
1221
1222 static const struct file_operations fops_regdump = {
1223         .open = open_file_regdump,
1224         .read = ath9k_debugfs_read_buf,
1225         .release = ath9k_debugfs_release_buf,
1226         .owner = THIS_MODULE,
1227         .llseek = default_llseek,/* read accesses f_pos */
1228 };
1229
1230 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1231                                     size_t count, loff_t *ppos)
1232 {
1233         struct ath_softc *sc = file->private_data;
1234         struct ath_hw *ah = sc->sc_ah;
1235         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1236         struct ath_common *common = ath9k_hw_common(ah);
1237         struct ieee80211_conf *conf = &common->hw->conf;
1238         u32 len = 0, size = 1500;
1239         u32 i, j;
1240         ssize_t retval = 0;
1241         char *buf;
1242         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1243         u8 nread;
1244
1245         buf = kzalloc(size, GFP_KERNEL);
1246         if (!buf)
1247                 return -ENOMEM;
1248
1249         len += snprintf(buf + len, size - len,
1250                         "Channel Noise Floor : %d\n", ah->noise);
1251         len += snprintf(buf + len, size - len,
1252                         "Chain | privNF | # Readings | NF Readings\n");
1253         for (i = 0; i < NUM_NF_READINGS; i++) {
1254                 if (!(chainmask & (1 << i)) ||
1255                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1256                         continue;
1257
1258                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1259                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1260                                 i, h[i].privNF, nread);
1261                 for (j = 0; j < nread; j++)
1262                         len += snprintf(buf + len, size - len,
1263                                         " %d", h[i].nfCalBuffer[j]);
1264                 len += snprintf(buf + len, size - len, "\n");
1265         }
1266
1267         if (len > size)
1268                 len = size;
1269
1270         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1271         kfree(buf);
1272
1273         return retval;
1274 }
1275
1276 static const struct file_operations fops_dump_nfcal = {
1277         .read = read_file_dump_nfcal,
1278         .open = ath9k_debugfs_open,
1279         .owner = THIS_MODULE,
1280         .llseek = default_llseek,
1281 };
1282
1283 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1284                                      size_t count, loff_t *ppos)
1285 {
1286         struct ath_softc *sc = file->private_data;
1287         struct ath_hw *ah = sc->sc_ah;
1288         u32 len = 0, size = 1500;
1289         ssize_t retval = 0;
1290         char *buf;
1291
1292         buf = kzalloc(size, GFP_KERNEL);
1293         if (!buf)
1294                 return -ENOMEM;
1295
1296         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1297
1298         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1299         kfree(buf);
1300
1301         return retval;
1302 }
1303
1304 static const struct file_operations fops_base_eeprom = {
1305         .read = read_file_base_eeprom,
1306         .open = ath9k_debugfs_open,
1307         .owner = THIS_MODULE,
1308         .llseek = default_llseek,
1309 };
1310
1311 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1312                                       size_t count, loff_t *ppos)
1313 {
1314         struct ath_softc *sc = file->private_data;
1315         struct ath_hw *ah = sc->sc_ah;
1316         u32 len = 0, size = 6000;
1317         char *buf;
1318         size_t retval;
1319
1320         buf = kzalloc(size, GFP_KERNEL);
1321         if (buf == NULL)
1322                 return -ENOMEM;
1323
1324         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1325
1326         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1327         kfree(buf);
1328
1329         return retval;
1330 }
1331
1332 static const struct file_operations fops_modal_eeprom = {
1333         .read = read_file_modal_eeprom,
1334         .open = ath9k_debugfs_open,
1335         .owner = THIS_MODULE,
1336         .llseek = default_llseek,
1337 };
1338
1339 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1340 {
1341 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1342         struct ath_hw *ah = sc->sc_ah;
1343         struct ath_common *common = ath9k_hw_common(ah);
1344         unsigned long flags;
1345         int i;
1346
1347         ath9k_ps_wakeup(sc);
1348
1349         spin_lock_bh(&sc->debug.samp_lock);
1350
1351         spin_lock_irqsave(&common->cc_lock, flags);
1352         ath_hw_cycle_counters_update(common);
1353
1354         ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1355         ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1356         ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1357         ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1358         spin_unlock_irqrestore(&common->cc_lock, flags);
1359
1360         ATH_SAMP_DBG(noise) = ah->noise;
1361
1362         REG_WRITE_D(ah, AR_MACMISC,
1363                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1364                    (AR_MACMISC_MISC_OBS_BUS_1 <<
1365                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1366
1367         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1368                 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1369                                 AR_DMADBG_0 + (i * sizeof(u32)));
1370
1371         ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1372         ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1373
1374         memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1375                         sizeof(ATH_SAMP_DBG(nfCalHist)));
1376
1377         sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1378         spin_unlock_bh(&sc->debug.samp_lock);
1379         ath9k_ps_restore(sc);
1380
1381 #undef ATH_SAMP_DBG
1382 }
1383
1384 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1385 {
1386 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1387         struct ath_softc *sc = inode->i_private;
1388         struct ath_hw *ah = sc->sc_ah;
1389         struct ath_common *common = ath9k_hw_common(ah);
1390         struct ieee80211_conf *conf = &common->hw->conf;
1391         struct ath_dbg_bb_mac_samp *bb_mac_samp;
1392         struct ath9k_nfcal_hist *h;
1393         int i, j, qcuOffset = 0, dcuOffset = 0;
1394         u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1395         u32 sampidx = 0;
1396         u8 *buf;
1397         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1398         u8 nread;
1399
1400         if (sc->sc_flags & SC_OP_INVALID)
1401                 return -EAGAIN;
1402
1403         buf = vmalloc(size);
1404         if (!buf)
1405                 return -ENOMEM;
1406         bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1407         if (!bb_mac_samp) {
1408                 vfree(buf);
1409                 return -ENOMEM;
1410         }
1411         /* Account the current state too */
1412         ath9k_debug_samp_bb_mac(sc);
1413
1414         spin_lock_bh(&sc->debug.samp_lock);
1415         memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1416                         sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1417         len += snprintf(buf + len, size - len,
1418                         "Current Sample Index: %d\n", sc->debug.sampidx);
1419         spin_unlock_bh(&sc->debug.samp_lock);
1420
1421         len += snprintf(buf + len, size - len,
1422                         "Raw DMA Debug Dump:\n");
1423         len += snprintf(buf + len, size - len, "Sample |\t");
1424         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1425                 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1426         len += snprintf(buf + len, size - len, "\n");
1427
1428         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1429                 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1430
1431                 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1432                         len += snprintf(buf + len, size - len, " %08x\t",
1433                                         ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1434                 len += snprintf(buf + len, size - len, "\n");
1435         }
1436         len += snprintf(buf + len, size - len, "\n");
1437
1438         len += snprintf(buf + len, size - len,
1439                         "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1440         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1441                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1442                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1443
1444                 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1445                                 qcuOffset += 4, dcuOffset += 5) {
1446                         if (i == 8) {
1447                                 qcuOffset = 0;
1448                                 qcuBase++;
1449                         }
1450
1451                         if (i == 6) {
1452                                 dcuOffset = 0;
1453                                 dcuBase++;
1454                         }
1455                         if (!sc->debug.stats.txstats[i].queued)
1456                                 continue;
1457
1458                         len += snprintf(buf + len, size - len,
1459                                 "%4d %7d    %2x      %1x     %2x         %2x\n",
1460                                 sampidx, i,
1461                                 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1462                                 (*qcuBase & (0x8 << qcuOffset)) >>
1463                                 (qcuOffset + 3),
1464                                 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1465                                 (0x7 << (i * 3)) >> (i * 3),
1466                                 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1467                 }
1468                 len += snprintf(buf + len, size - len, "\n");
1469         }
1470         len += snprintf(buf + len, size - len,
1471                         "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1472                         "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1473                         "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1474
1475         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1476                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1477                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1478
1479                 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1480                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1481                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1482                 len += snprintf(buf + len, size - len, "%7x %8x ",
1483                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1484                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1485                 len += snprintf(buf + len, size - len, "%7x %7x ",
1486                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1487                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1488                 len += snprintf(buf + len, size - len, "%7d %12d ",
1489                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1490                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1491                 len += snprintf(buf + len, size - len, "%12d %12d ",
1492                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1493                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1494                 len += snprintf(buf + len, size - len, "%12d %12d ",
1495                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1496                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1497                 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1498                                 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1499         }
1500
1501         len += snprintf(buf + len, size - len,
1502                         "Sample ChNoise Chain privNF #Reading Readings\n");
1503         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1504                 h = ATH_SAMP_DBG(nfCalHist);
1505                 if (!ATH_SAMP_DBG(noise))
1506                         continue;
1507
1508                 for (i = 0; i < NUM_NF_READINGS; i++) {
1509                         if (!(chainmask & (1 << i)) ||
1510                             ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1511                                 continue;
1512
1513                         nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1514                                 h[i].invalidNFcount;
1515                         len += snprintf(buf + len, size - len,
1516                                         "%4d %5d %4d\t   %d\t %d\t",
1517                                         sampidx, ATH_SAMP_DBG(noise),
1518                                         i, h[i].privNF, nread);
1519                         for (j = 0; j < nread; j++)
1520                                 len += snprintf(buf + len, size - len,
1521                                         " %d", h[i].nfCalBuffer[j]);
1522                         len += snprintf(buf + len, size - len, "\n");
1523                 }
1524         }
1525         len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1526                         "Sample Total    Rxbusy   Rxframes Txframes\n");
1527         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1528                 if (!ATH_SAMP_DBG(cc.cycles))
1529                         continue;
1530                 len += snprintf(buf + len, size - len,
1531                                 "%4d %08x %08x %08x %08x\n",
1532                                 sampidx, ATH_SAMP_DBG(cc.cycles),
1533                                 ATH_SAMP_DBG(cc.rx_busy),
1534                                 ATH_SAMP_DBG(cc.rx_frame),
1535                                 ATH_SAMP_DBG(cc.tx_frame));
1536         }
1537
1538         len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1539         len += snprintf(buf + len, size - len,
1540                         "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1541                         "isok rts_fail data_fail rate tid qid "
1542                                         "ba_low  ba_high tx_before(ms)\n");
1543         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1544                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1545                         if (!ATH_SAMP_DBG(ts[i].jiffies))
1546                                 continue;
1547                         len += snprintf(buf + len, size - len, "%-14d"
1548                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1549                                 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1550                                 sampidx,
1551                                 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1552                                 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1553                                 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1554                                 ATH_SAMP_DBG(ts[i].rssi_ext0),
1555                                 ATH_SAMP_DBG(ts[i].rssi_ext1),
1556                                 ATH_SAMP_DBG(ts[i].rssi_ext2),
1557                                 ATH_SAMP_DBG(ts[i].rssi),
1558                                 ATH_SAMP_DBG(ts[i].isok),
1559                                 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1560                                 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1561                                 ATH_SAMP_DBG(ts[i].rateindex),
1562                                 ATH_SAMP_DBG(ts[i].tid),
1563                                 ATH_SAMP_DBG(ts[i].qid),
1564                                 ATH_SAMP_DBG(ts[i].ba_low),
1565                                 ATH_SAMP_DBG(ts[i].ba_high),
1566                                 jiffies_to_msecs(jiffies -
1567                                         ATH_SAMP_DBG(ts[i].jiffies)));
1568                 }
1569         }
1570
1571         len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1572         len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1573                         "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1574         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1575                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1576                         if (!ATH_SAMP_DBG(rs[i].jiffies))
1577                                 continue;
1578                         len += snprintf(buf + len, size - len, "%-14d"
1579                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1580                                 sampidx,
1581                                 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1582                                 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1583                                 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1584                                 ATH_SAMP_DBG(rs[i].rssi_ext0),
1585                                 ATH_SAMP_DBG(rs[i].rssi_ext1),
1586                                 ATH_SAMP_DBG(rs[i].rssi_ext2),
1587                                 ATH_SAMP_DBG(rs[i].rssi),
1588                                 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1589                                 "True" : "False",
1590                                 ATH_SAMP_DBG(rs[i].antenna),
1591                                 ATH_SAMP_DBG(rs[i].rate),
1592                                 jiffies_to_msecs(jiffies -
1593                                         ATH_SAMP_DBG(rs[i].jiffies)));
1594                 }
1595         }
1596
1597         vfree(bb_mac_samp);
1598         file->private_data = buf;
1599
1600         return 0;
1601 #undef ATH_SAMP_DBG
1602 }
1603
1604 static const struct file_operations fops_samps = {
1605         .open = open_file_bb_mac_samps,
1606         .read = ath9k_debugfs_read_buf,
1607         .release = ath9k_debugfs_release_buf,
1608         .owner = THIS_MODULE,
1609         .llseek = default_llseek,
1610 };
1611
1612
1613 int ath9k_init_debug(struct ath_hw *ah)
1614 {
1615         struct ath_common *common = ath9k_hw_common(ah);
1616         struct ath_softc *sc = (struct ath_softc *) common->priv;
1617
1618         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1619                                                    sc->hw->wiphy->debugfsdir);
1620         if (!sc->debug.debugfs_phy)
1621                 return -ENOMEM;
1622
1623 #ifdef CONFIG_ATH_DEBUG
1624         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1625                             sc, &fops_debug);
1626 #endif
1627         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1628                             &fops_dma);
1629         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1630                             &fops_interrupt);
1631         debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1632                             sc, &fops_wiphy);
1633         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1634                             &fops_xmit);
1635         debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1636                             &fops_stations);
1637         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1638                             &fops_misc);
1639         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1640                             &fops_recv);
1641         debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1642                             sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1643         debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1644                             sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1645         debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1646                             sc->debug.debugfs_phy, sc, &fops_disable_ani);
1647         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1648                             sc, &fops_regidx);
1649         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1650                             sc, &fops_regval);
1651         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1652                             sc->debug.debugfs_phy,
1653                             &ah->config.cwm_ignore_extcca);
1654         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1655                             &fops_regdump);
1656         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1657                             &fops_dump_nfcal);
1658         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1659                             &fops_base_eeprom);
1660         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1661                             &fops_modal_eeprom);
1662         debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1663                             &fops_samps);
1664
1665         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1666                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1667
1668         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1669                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1670
1671         sc->debug.regidx = 0;
1672         memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1673         sc->debug.sampidx = 0;
1674         sc->debug.tsidx = 0;
1675         sc->debug.rsidx = 0;
1676         return 0;
1677 }