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 <asm/unaligned.h>
  21
  22 #include "ath9k.h"
  23
  24 #define REG_WRITE_D(_ah, _reg, _val) \
  25         ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  26 #define REG_READ_D(_ah, _reg) \
  27         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  28
  29 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
  30 {
  31         file->private_data = inode->i_private;
  32         return 0;
  33 }
  34
  35 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  36                                       size_t count, loff_t *ppos)
  37 {
  38         u8 *buf = file->private_data;
  39         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  40 }
  41
  42 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  43 {
  44         vfree(file->private_data);
  45         return 0;
  46 }
  47
  48 #ifdef CONFIG_ATH_DEBUG
  49
  50 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  51                              size_t count, loff_t *ppos)
  52 {
  53         struct ath_softc *sc = file->private_data;
  54         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  55         char buf[32];
  56         unsigned int len;
  57
  58         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  59         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  60 }
  61
  62 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  63                              size_t count, loff_t *ppos)
  64 {
  65         struct ath_softc *sc = file->private_data;
  66         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  67         unsigned long mask;
  68         char buf[32];
  69         ssize_t len;
  70
  71         len = min(count, sizeof(buf) - 1);
  72         if (copy_from_user(buf, user_buf, len))
  73                 return -EFAULT;
  74
  75         buf[len] = '\0';
  76         if (strict_strtoul(buf, 0, &mask))
  77                 return -EINVAL;
  78
  79         common->debug_mask = mask;
  80         return count;
  81 }
  82
  83 static const struct file_operations fops_debug = {
  84         .read = read_file_debug,
  85         .write = write_file_debug,
  86         .open = ath9k_debugfs_open,
  87         .owner = THIS_MODULE,
  88         .llseek = default_llseek,
  89 };
  90
  91 #endif
  92
  93 #define DMA_BUF_LEN 1024
  94
  95 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
  96                              size_t count, loff_t *ppos)
  97 {
  98         struct ath_softc *sc = file->private_data;
  99         struct ath_hw *ah = sc->sc_ah;
 100         char buf[32];
 101         unsigned int len;
 102
 103         len = sprintf(buf, "0x%08x\n", ah->txchainmask);
 104         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 105 }
 106
 107 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
 108                              size_t count, loff_t *ppos)
 109 {
 110         struct ath_softc *sc = file->private_data;
 111         struct ath_hw *ah = sc->sc_ah;
 112         unsigned long mask;
 113         char buf[32];
 114         ssize_t len;
 115
 116         len = min(count, sizeof(buf) - 1);
 117         if (copy_from_user(buf, user_buf, len))
 118                 return -EFAULT;
 119
 120         buf[len] = '\0';
 121         if (strict_strtoul(buf, 0, &mask))
 122                 return -EINVAL;
 123
 124         ah->txchainmask = mask;
 125         ah->caps.tx_chainmask = mask;
 126         return count;
 127 }
 128
 129 static const struct file_operations fops_tx_chainmask = {
 130         .read = read_file_tx_chainmask,
 131         .write = write_file_tx_chainmask,
 132         .open = ath9k_debugfs_open,
 133         .owner = THIS_MODULE,
 134         .llseek = default_llseek,
 135 };
 136
 137
 138 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
 139                              size_t count, loff_t *ppos)
 140 {
 141         struct ath_softc *sc = file->private_data;
 142         struct ath_hw *ah = sc->sc_ah;
 143         char buf[32];
 144         unsigned int len;
 145
 146         len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
 147         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 148 }
 149
 150 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
 151                              size_t count, loff_t *ppos)
 152 {
 153         struct ath_softc *sc = file->private_data;
 154         struct ath_hw *ah = sc->sc_ah;
 155         unsigned long mask;
 156         char buf[32];
 157         ssize_t len;
 158
 159         len = min(count, sizeof(buf) - 1);
 160         if (copy_from_user(buf, user_buf, len))
 161                 return -EFAULT;
 162
 163         buf[len] = '\0';
 164         if (strict_strtoul(buf, 0, &mask))
 165                 return -EINVAL;
 166
 167         ah->rxchainmask = mask;
 168         ah->caps.rx_chainmask = mask;
 169         return count;
 170 }
 171
 172 static const struct file_operations fops_rx_chainmask = {
 173         .read = read_file_rx_chainmask,
 174         .write = write_file_rx_chainmask,
 175         .open = ath9k_debugfs_open,
 176         .owner = THIS_MODULE,
 177         .llseek = default_llseek,
 178 };
 179
 180 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
 181                              size_t count, loff_t *ppos)
 182 {
 183         struct ath_softc *sc = file->private_data;
 184         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 185         char buf[32];
 186         unsigned int len;
 187
 188         len = sprintf(buf, "%d\n", common->disable_ani);
 189         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 190 }
 191
 192 static ssize_t write_file_disable_ani(struct file *file,
 193                                       const char __user *user_buf,
 194                                       size_t count, loff_t *ppos)
 195 {
 196         struct ath_softc *sc = file->private_data;
 197         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 198         unsigned long disable_ani;
 199         char buf[32];
 200         ssize_t len;
 201
 202         len = min(count, sizeof(buf) - 1);
 203         if (copy_from_user(buf, user_buf, len))
 204                 return -EFAULT;
 205
 206         buf[len] = '\0';
 207         if (strict_strtoul(buf, 0, &disable_ani))
 208                 return -EINVAL;
 209
 210         common->disable_ani = !!disable_ani;
 211
 212         if (disable_ani) {
 213                 sc->sc_flags &= ~SC_OP_ANI_RUN;
 214                 del_timer_sync(&common->ani.timer);
 215         } else {
 216                 sc->sc_flags |= SC_OP_ANI_RUN;
 217                 ath_start_ani(common);
 218         }
 219
 220         return count;
 221 }
 222
 223 static const struct file_operations fops_disable_ani = {
 224         .read = read_file_disable_ani,
 225         .write = write_file_disable_ani,
 226         .open = ath9k_debugfs_open,
 227         .owner = THIS_MODULE,
 228         .llseek = default_llseek,
 229 };
 230
 231 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 232                              size_t count, loff_t *ppos)
 233 {
 234         struct ath_softc *sc = file->private_data;
 235         struct ath_hw *ah = sc->sc_ah;
 236         char *buf;
 237         int retval;
 238         unsigned int len = 0;
 239         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 240         int i, qcuOffset = 0, dcuOffset = 0;
 241         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 242
 243         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 244         if (!buf)
 245                 return -ENOMEM;
 246
 247         ath9k_ps_wakeup(sc);
 248
 249         REG_WRITE_D(ah, AR_MACMISC,
 250                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 251                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 252                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 253
 254         len += snprintf(buf + len, DMA_BUF_LEN - len,
 255                         "Raw DMA Debug values:\n");
 256
 257         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 258                 if (i % 4 == 0)
 259                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 260
 261                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 262                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 263                                 i, val[i]);
 264         }
 265
 266         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 267         len += snprintf(buf + len, DMA_BUF_LEN - len,
 268                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 269
 270         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 271                 if (i == 8) {
 272                         qcuOffset = 0;
 273                         qcuBase++;
 274                 }
 275
 276                 if (i == 6) {
 277                         dcuOffset = 0;
 278                         dcuBase++;
 279                 }
 280
 281                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 282                         "%2d          %2x      %1x     %2x           %2x\n",
 283                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 284                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 285                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 286                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 287         }
 288
 289         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 290
 291         len += snprintf(buf + len, DMA_BUF_LEN - len,
 292                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 293                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 294         len += snprintf(buf + len, DMA_BUF_LEN - len,
 295                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 296                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 297         len += snprintf(buf + len, DMA_BUF_LEN - len,
 298                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 299                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 300         len += snprintf(buf + len, DMA_BUF_LEN - len,
 301                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 302                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 303         len += snprintf(buf + len, DMA_BUF_LEN - len,
 304                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 305                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 306         len += snprintf(buf + len, DMA_BUF_LEN - len,
 307                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 308                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 309
 310         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 311                         REG_READ_D(ah, AR_OBS_BUS_1));
 312         len += snprintf(buf + len, DMA_BUF_LEN - len,
 313                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 314
 315         ath9k_ps_restore(sc);
 316
 317         if (len > DMA_BUF_LEN)
 318                 len = DMA_BUF_LEN;
 319
 320         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 321         kfree(buf);
 322         return retval;
 323 }
 324
 325 static const struct file_operations fops_dma = {
 326         .read = read_file_dma,
 327         .open = ath9k_debugfs_open,
 328         .owner = THIS_MODULE,
 329         .llseek = default_llseek,
 330 };
 331
 332
 333 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 334 {
 335         if (status)
 336                 sc->debug.stats.istats.total++;
 337         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 338                 if (status & ATH9K_INT_RXLP)
 339                         sc->debug.stats.istats.rxlp++;
 340                 if (status & ATH9K_INT_RXHP)
 341                         sc->debug.stats.istats.rxhp++;
 342                 if (status & ATH9K_INT_BB_WATCHDOG)
 343                         sc->debug.stats.istats.bb_watchdog++;
 344         } else {
 345                 if (status & ATH9K_INT_RX)
 346                         sc->debug.stats.istats.rxok++;
 347         }
 348         if (status & ATH9K_INT_RXEOL)
 349                 sc->debug.stats.istats.rxeol++;
 350         if (status & ATH9K_INT_RXORN)
 351                 sc->debug.stats.istats.rxorn++;
 352         if (status & ATH9K_INT_TX)
 353                 sc->debug.stats.istats.txok++;
 354         if (status & ATH9K_INT_TXURN)
 355                 sc->debug.stats.istats.txurn++;
 356         if (status & ATH9K_INT_MIB)
 357                 sc->debug.stats.istats.mib++;
 358         if (status & ATH9K_INT_RXPHY)
 359                 sc->debug.stats.istats.rxphyerr++;
 360         if (status & ATH9K_INT_RXKCM)
 361                 sc->debug.stats.istats.rx_keycache_miss++;
 362         if (status & ATH9K_INT_SWBA)
 363                 sc->debug.stats.istats.swba++;
 364         if (status & ATH9K_INT_BMISS)
 365                 sc->debug.stats.istats.bmiss++;
 366         if (status & ATH9K_INT_BNR)
 367                 sc->debug.stats.istats.bnr++;
 368         if (status & ATH9K_INT_CST)
 369                 sc->debug.stats.istats.cst++;
 370         if (status & ATH9K_INT_GTT)
 371                 sc->debug.stats.istats.gtt++;
 372         if (status & ATH9K_INT_TIM)
 373                 sc->debug.stats.istats.tim++;
 374         if (status & ATH9K_INT_CABEND)
 375                 sc->debug.stats.istats.cabend++;
 376         if (status & ATH9K_INT_DTIMSYNC)
 377                 sc->debug.stats.istats.dtimsync++;
 378         if (status & ATH9K_INT_DTIM)
 379                 sc->debug.stats.istats.dtim++;
 380         if (status & ATH9K_INT_TSFOOR)
 381                 sc->debug.stats.istats.tsfoor++;
 382 }
 383
 384 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 385                                    size_t count, loff_t *ppos)
 386 {
 387         struct ath_softc *sc = file->private_data;
 388         char buf[512];
 389         unsigned int len = 0;
 390
 391         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 392                 len += snprintf(buf + len, sizeof(buf) - len,
 393                         "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
 394                 len += snprintf(buf + len, sizeof(buf) - len,
 395                         "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp);
 396                 len += snprintf(buf + len, sizeof(buf) - len,
 397                         "%8s: %10u\n", "WATCHDOG",
 398                         sc->debug.stats.istats.bb_watchdog);
 399         } else {
 400                 len += snprintf(buf + len, sizeof(buf) - len,
 401                         "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
 402         }
 403         len += snprintf(buf + len, sizeof(buf) - len,
 404                 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
 405         len += snprintf(buf + len, sizeof(buf) - len,
 406                 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
 407         len += snprintf(buf + len, sizeof(buf) - len,
 408                 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
 409         len += snprintf(buf + len, sizeof(buf) - len,
 410                 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
 411         len += snprintf(buf + len, sizeof(buf) - len,
 412                 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
 413         len += snprintf(buf + len, sizeof(buf) - len,
 414                 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
 415         len += snprintf(buf + len, sizeof(buf) - len,
 416                 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
 417         len += snprintf(buf + len, sizeof(buf) - len,
 418                 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
 419         len += snprintf(buf + len, sizeof(buf) - len,
 420                 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
 421         len += snprintf(buf + len, sizeof(buf) - len,
 422                 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
 423         len += snprintf(buf + len, sizeof(buf) - len,
 424                 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
 425         len += snprintf(buf + len, sizeof(buf) - len,
 426                 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
 427         len += snprintf(buf + len, sizeof(buf) - len,
 428                 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
 429         len += snprintf(buf + len, sizeof(buf) - len,
 430                 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
 431         len += snprintf(buf + len, sizeof(buf) - len,
 432                 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
 433         len += snprintf(buf + len, sizeof(buf) - len,
 434                 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
 435         len += snprintf(buf + len, sizeof(buf) - len,
 436                 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);
 437         len += snprintf(buf + len, sizeof(buf) - len,
 438                 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
 439
 440
 441         if (len > sizeof(buf))
 442                 len = sizeof(buf);
 443
 444         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 445 }
 446
 447 static const struct file_operations fops_interrupt = {
 448         .read = read_file_interrupt,
 449         .open = ath9k_debugfs_open,
 450         .owner = THIS_MODULE,
 451         .llseek = default_llseek,
 452 };
 453
 454 static const char *channel_type_str(enum nl80211_channel_type t)
 455 {
 456         switch (t) {
 457         case NL80211_CHAN_NO_HT:
 458                 return "no ht";
 459         case NL80211_CHAN_HT20:
 460                 return "ht20";
 461         case NL80211_CHAN_HT40MINUS:
 462                 return "ht40-";
 463         case NL80211_CHAN_HT40PLUS:
 464                 return "ht40+";
 465         default:
 466                 return "???";
 467         }
 468 }
 469
 470 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
 471                                size_t count, loff_t *ppos)
 472 {
 473         struct ath_softc *sc = file->private_data;
 474         struct ieee80211_channel *chan = sc->hw->conf.channel;
 475         struct ieee80211_conf *conf = &(sc->hw->conf);
 476         char buf[512];
 477         unsigned int len = 0;
 478         u8 addr[ETH_ALEN];
 479         u32 tmp;
 480
 481         len += snprintf(buf + len, sizeof(buf) - len,
 482                         "%s (chan=%d  center-freq: %d MHz  channel-type: %d (%s))\n",
 483                         wiphy_name(sc->hw->wiphy),
 484                         ieee80211_frequency_to_channel(chan->center_freq),
 485                         chan->center_freq,
 486                         conf->channel_type,
 487                         channel_type_str(conf->channel_type));
 488
 489         ath9k_ps_wakeup(sc);
 490         put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
 491         put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
 492         len += snprintf(buf + len, sizeof(buf) - len,
 493                         "addr: %pM\n", addr);
 494         put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
 495         put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
 496         len += snprintf(buf + len, sizeof(buf) - len,
 497                         "addrmask: %pM\n", addr);
 498         tmp = ath9k_hw_getrxfilter(sc->sc_ah);
 499         ath9k_ps_restore(sc);
 500         len += snprintf(buf + len, sizeof(buf) - len,
 501                         "rfilt: 0x%x", tmp);
 502         if (tmp & ATH9K_RX_FILTER_UCAST)
 503                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 504         if (tmp & ATH9K_RX_FILTER_MCAST)
 505                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 506         if (tmp & ATH9K_RX_FILTER_BCAST)
 507                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 508         if (tmp & ATH9K_RX_FILTER_CONTROL)
 509                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 510         if (tmp & ATH9K_RX_FILTER_BEACON)
 511                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 512         if (tmp & ATH9K_RX_FILTER_PROM)
 513                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 514         if (tmp & ATH9K_RX_FILTER_PROBEREQ)
 515                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 516         if (tmp & ATH9K_RX_FILTER_PHYERR)
 517                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 518         if (tmp & ATH9K_RX_FILTER_MYBEACON)
 519                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 520         if (tmp & ATH9K_RX_FILTER_COMP_BAR)
 521                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 522         if (tmp & ATH9K_RX_FILTER_PSPOLL)
 523                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 524         if (tmp & ATH9K_RX_FILTER_PHYRADAR)
 525                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 526         if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 527                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 528
 529         len += snprintf(buf + len, sizeof(buf) - len,
 530                        "\n\nReset causes:\n"
 531                        "  baseband hang: %d\n"
 532                        "  baseband watchdog: %d\n"
 533                        "  fatal hardware error interrupt: %d\n"
 534                        "  tx hardware error: %d\n"
 535                        "  tx path hang: %d\n"
 536                        "  pll rx hang: %d\n",
 537                        sc->debug.stats.reset[RESET_TYPE_BB_HANG],
 538                        sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
 539                        sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
 540                        sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
 541                        sc->debug.stats.reset[RESET_TYPE_TX_HANG],
 542                        sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 543
 544         if (len > sizeof(buf))
 545                 len = sizeof(buf);
 546
 547         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 548 }
 549
 550 static const struct file_operations fops_wiphy = {
 551         .read = read_file_wiphy,
 552         .open = ath9k_debugfs_open,
 553         .owner = THIS_MODULE,
 554         .llseek = default_llseek,
 555 };
 556
 557 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
 558 #define PR(str, elem)                                                   \
 559         do {                                                            \
 560                 len += snprintf(buf + len, size - len,                  \
 561                                 "%s%13u%11u%10u%10u\n", str,            \
 562                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
 563                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
 564                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
 565                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
 566                 if (len >= size)                          \
 567                         goto done;                        \
 568 } while(0)
 569
 570 #define PRX(str, elem)                                                  \
 571 do {                                                                    \
 572         len += snprintf(buf + len, size - len,                          \
 573                         "%s%13u%11u%10u%10u\n", str,                    \
 574                         (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem),        \
 575                         (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem),        \
 576                         (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem),        \
 577                         (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem));       \
 578         if (len >= size)                                                \
 579                 goto done;                                              \
 580 } while(0)
 581
 582 #define PRQLE(str, elem)                                                \
 583 do {                                                                    \
 584         len += snprintf(buf + len, size - len,                          \
 585                         "%s%13i%11i%10i%10i\n", str,                    \
 586                         list_empty(&sc->tx.txq_map[WME_AC_BE]->elem),   \
 587                         list_empty(&sc->tx.txq_map[WME_AC_BK]->elem),   \
 588                         list_empty(&sc->tx.txq_map[WME_AC_VI]->elem),   \
 589                         list_empty(&sc->tx.txq_map[WME_AC_VO]->elem));  \
 590         if (len >= size)                                                \
 591                 goto done;                                              \
 592 } while (0)
 593
 594 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 595                               size_t count, loff_t *ppos)
 596 {
 597         struct ath_softc *sc = file->private_data;
 598         char *buf;
 599         unsigned int len = 0, size = 8000;
 600         int i;
 601         ssize_t retval = 0;
 602         char tmp[32];
 603
 604         buf = kzalloc(size, GFP_KERNEL);
 605         if (buf == NULL)
 606                 return -ENOMEM;
 607
 608         len += sprintf(buf, "Num-Tx-Queues: %i  tx-queues-setup: 0x%x"
 609                        " poll-work-seen: %u\n"
 610                        "%30s %10s%10s%10s\n\n",
 611                        ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
 612                        sc->tx_complete_poll_work_seen,
 613                        "BE", "BK", "VI", "VO");
 614
 615         PR("MPDUs Queued:    ", queued);
 616         PR("MPDUs Completed: ", completed);
 617         PR("MPDUs XRetried:  ", xretries);
 618         PR("Aggregates:      ", a_aggr);
 619         PR("AMPDUs Queued HW:", a_queued_hw);
 620         PR("AMPDUs Queued SW:", a_queued_sw);
 621         PR("AMPDUs Completed:", a_completed);
 622         PR("AMPDUs Retried:  ", a_retries);
 623         PR("AMPDUs XRetried: ", a_xretries);
 624         PR("FIFO Underrun:   ", fifo_underrun);
 625         PR("TXOP Exceeded:   ", xtxop);
 626         PR("TXTIMER Expiry:  ", timer_exp);
 627         PR("DESC CFG Error:  ", desc_cfg_err);
 628         PR("DATA Underrun:   ", data_underrun);
 629         PR("DELIM Underrun:  ", delim_underrun);
 630         PR("TX-Pkts-All:     ", tx_pkts_all);
 631         PR("TX-Bytes-All:    ", tx_bytes_all);
 632         PR("hw-put-tx-buf:   ", puttxbuf);
 633         PR("hw-tx-start:     ", txstart);
 634         PR("hw-tx-proc-desc: ", txprocdesc);
 635         len += snprintf(buf + len, size - len,
 636                         "%s%11p%11p%10p%10p\n", "txq-memory-address:",
 637                         sc->tx.txq_map[WME_AC_BE],
 638                         sc->tx.txq_map[WME_AC_BK],
 639                         sc->tx.txq_map[WME_AC_VI],
 640                         sc->tx.txq_map[WME_AC_VO]);
 641         if (len >= size)
 642                 goto done;
 643
 644         PRX("axq-qnum:        ", axq_qnum);
 645         PRX("axq-depth:       ", axq_depth);
 646         PRX("axq-ampdu_depth: ", axq_ampdu_depth);
 647         PRX("axq-stopped      ", stopped);
 648         PRX("tx-in-progress   ", axq_tx_inprogress);
 649         PRX("pending-frames   ", pending_frames);
 650         PRX("txq_headidx:     ", txq_headidx);
 651         PRX("txq_tailidx:     ", txq_headidx);
 652
 653         PRQLE("axq_q empty:       ", axq_q);
 654         PRQLE("axq_acq empty:     ", axq_acq);
 655         for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
 656                 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
 657                 PRQLE(tmp, txq_fifo[i]);
 658         }
 659
 660         /* Print out more detailed queue-info */
 661         for (i = 0; i <= WME_AC_BK; i++) {
 662                 struct ath_txq *txq = &(sc->tx.txq[i]);
 663                 struct ath_atx_ac *ac;
 664                 struct ath_atx_tid *tid;
 665                 if (len >= size)
 666                         goto done;
 667                 spin_lock_bh(&txq->axq_lock);
 668                 if (!list_empty(&txq->axq_acq)) {
 669                         ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
 670                                               list);
 671                         len += snprintf(buf + len, size - len,
 672                                         "txq[%i] first-ac: %p sched: %i\n",
 673                                         i, ac, ac->sched);
 674                         if (list_empty(&ac->tid_q) || (len >= size))
 675                                 goto done_for;
 676                         tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
 677                                                list);
 678                         len += snprintf(buf + len, size - len,
 679                                         " first-tid: %p sched: %i paused: %i\n",
 680                                         tid, tid->sched, tid->paused);
 681                 }
 682         done_for:
 683                 spin_unlock_bh(&txq->axq_lock);
 684         }
 685
 686 done:
 687         if (len > size)
 688                 len = size;
 689
 690         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 691         kfree(buf);
 692
 693         return retval;
 694 }
 695
 696 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
 697                                   size_t count, loff_t *ppos)
 698 {
 699         struct ath_softc *sc = file->private_data;
 700         char *buf;
 701         unsigned int len = 0, size = 64000;
 702         struct ath_node *an = NULL;
 703         ssize_t retval = 0;
 704         int q;
 705
 706         buf = kzalloc(size, GFP_KERNEL);
 707         if (buf == NULL)
 708                 return -ENOMEM;
 709
 710         len += snprintf(buf + len, size - len,
 711                         "Stations:\n"
 712                         " tid: addr sched paused buf_q-empty an ac baw\n"
 713                         " ac: addr sched tid_q-empty txq\n");
 714
 715         spin_lock(&sc->nodes_lock);
 716         list_for_each_entry(an, &sc->nodes, list) {
 717                 unsigned short ma = an->maxampdu;
 718                 if (ma == 0)
 719                         ma = 65535; /* see ath_lookup_rate */
 720                 len += snprintf(buf + len, size - len,
 721                                 "iface: %pM  sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
 722                                 an->vif->addr, an->sta->addr, ma,
 723                                 (unsigned int)(an->mpdudensity));
 724                 if (len >= size)
 725                         goto done;
 726
 727                 for (q = 0; q < WME_NUM_TID; q++) {
 728                         struct ath_atx_tid *tid = &(an->tid[q]);
 729                         len += snprintf(buf + len, size - len,
 730                                         " tid: %p %s %s %i %p %p %hu\n",
 731                                         tid, tid->sched ? "sched" : "idle",
 732                                         tid->paused ? "paused" : "running",
 733                                         skb_queue_empty(&tid->buf_q),
 734                                         tid->an, tid->ac, tid->baw_size);
 735                         if (len >= size)
 736                                 goto done;
 737                 }
 738
 739                 for (q = 0; q < WME_NUM_AC; q++) {
 740                         struct ath_atx_ac *ac = &(an->ac[q]);
 741                         len += snprintf(buf + len, size - len,
 742                                         " ac: %p %s %i %p\n",
 743                                         ac, ac->sched ? "sched" : "idle",
 744                                         list_empty(&ac->tid_q), ac->txq);
 745                         if (len >= size)
 746                                 goto done;
 747                 }
 748         }
 749
 750 done:
 751         spin_unlock(&sc->nodes_lock);
 752         if (len > size)
 753                 len = size;
 754
 755         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 756         kfree(buf);
 757
 758         return retval;
 759 }
 760
 761 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 762                               size_t count, loff_t *ppos)
 763 {
 764         struct ath_softc *sc = file->private_data;
 765         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 766         struct ath_hw *ah = sc->sc_ah;
 767         struct ieee80211_hw *hw = sc->hw;
 768         char *buf;
 769         unsigned int len = 0, size = 8000;
 770         ssize_t retval = 0;
 771         unsigned int reg;
 772         struct ath9k_vif_iter_data iter_data;
 773
 774         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 775
 776         buf = kzalloc(size, GFP_KERNEL);
 777         if (buf == NULL)
 778                 return -ENOMEM;
 779
 780         ath9k_ps_wakeup(sc);
 781         len += snprintf(buf + len, size - len,
 782                         "curbssid: %pM\n"
 783                         "OP-Mode: %s(%i)\n"
 784                         "Beacon-Timer-Register: 0x%x\n",
 785                         common->curbssid,
 786                         ath_opmode_to_string(sc->sc_ah->opmode),
 787                         (int)(sc->sc_ah->opmode),
 788                         REG_READ(ah, AR_BEACON_PERIOD));
 789
 790         reg = REG_READ(ah, AR_TIMER_MODE);
 791         ath9k_ps_restore(sc);
 792         len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
 793                         reg);
 794         if (reg & AR_TBTT_TIMER_EN)
 795                 len += snprintf(buf + len, size - len, "TBTT ");
 796         if (reg & AR_DBA_TIMER_EN)
 797                 len += snprintf(buf + len, size - len, "DBA ");
 798         if (reg & AR_SWBA_TIMER_EN)
 799                 len += snprintf(buf + len, size - len, "SWBA ");
 800         if (reg & AR_HCF_TIMER_EN)
 801                 len += snprintf(buf + len, size - len, "HCF ");
 802         if (reg & AR_TIM_TIMER_EN)
 803                 len += snprintf(buf + len, size - len, "TIM ");
 804         if (reg & AR_DTIM_TIMER_EN)
 805                 len += snprintf(buf + len, size - len, "DTIM ");
 806         len += snprintf(buf + len, size - len, ")\n");
 807
 808         reg = sc->sc_ah->imask;
 809         len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
 810         if (reg & ATH9K_INT_SWBA)
 811                 len += snprintf(buf + len, size - len, "SWBA ");
 812         if (reg & ATH9K_INT_BMISS)
 813                 len += snprintf(buf + len, size - len, "BMISS ");
 814         if (reg & ATH9K_INT_CST)
 815                 len += snprintf(buf + len, size - len, "CST ");
 816         if (reg & ATH9K_INT_RX)
 817                 len += snprintf(buf + len, size - len, "RX ");
 818         if (reg & ATH9K_INT_RXHP)
 819                 len += snprintf(buf + len, size - len, "RXHP ");
 820         if (reg & ATH9K_INT_RXLP)
 821                 len += snprintf(buf + len, size - len, "RXLP ");
 822         if (reg & ATH9K_INT_BB_WATCHDOG)
 823                 len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
 824         /* there are other IRQs if one wanted to add them. */
 825         len += snprintf(buf + len, size - len, ")\n");
 826
 827         len += snprintf(buf + len, size - len,
 828                         "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
 829                         " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
 830                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 831                         iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
 832                         sc->nvifs, sc->nbcnvifs);
 833
 834         len += snprintf(buf + len, size - len,
 835                         "Calculated-BSSID-Mask: %pM\n",
 836                         iter_data.mask);
 837
 838         if (len > size)
 839                 len = size;
 840
 841         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 842         kfree(buf);
 843
 844         return retval;
 845 }
 846
 847 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 848                        struct ath_tx_status *ts, struct ath_txq *txq,
 849                        unsigned int flags)
 850 {
 851 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
 852                         [sc->debug.tsidx].c)
 853         int qnum = txq->axq_qnum;
 854
 855         TX_STAT_INC(qnum, tx_pkts_all);
 856         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 857
 858         if (bf_isampdu(bf)) {
 859                 if (flags & ATH_TX_BAR)
 860                         TX_STAT_INC(qnum, a_xretries);
 861                 else
 862                         TX_STAT_INC(qnum, a_completed);
 863         } else {
 864                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 865                         TX_STAT_INC(qnum, xretries);
 866                 else
 867                         TX_STAT_INC(qnum, completed);
 868         }
 869
 870         if (ts->ts_status & ATH9K_TXERR_FIFO)
 871                 TX_STAT_INC(qnum, fifo_underrun);
 872         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 873                 TX_STAT_INC(qnum, xtxop);
 874         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 875                 TX_STAT_INC(qnum, timer_exp);
 876         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 877                 TX_STAT_INC(qnum, desc_cfg_err);
 878         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 879                 TX_STAT_INC(qnum, data_underrun);
 880         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 881                 TX_STAT_INC(qnum, delim_underrun);
 882
 883         spin_lock(&sc->debug.samp_lock);
 884         TX_SAMP_DBG(jiffies) = jiffies;
 885         TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
 886         TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
 887         TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
 888         TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
 889         TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
 890         TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
 891         TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
 892         TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
 893         TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
 894         TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
 895         TX_SAMP_DBG(rssi) = ts->ts_rssi;
 896         TX_SAMP_DBG(tid) = ts->tid;
 897         TX_SAMP_DBG(qid) = ts->qid;
 898
 899         if (ts->ts_flags & ATH9K_TX_BA) {
 900                 TX_SAMP_DBG(ba_low) = ts->ba_low;
 901                 TX_SAMP_DBG(ba_high) = ts->ba_high;
 902         } else {
 903                 TX_SAMP_DBG(ba_low) = 0;
 904                 TX_SAMP_DBG(ba_high) = 0;
 905         }
 906
 907         sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
 908         spin_unlock(&sc->debug.samp_lock);
 909
 910 #undef TX_SAMP_DBG
 911 }
 912
 913 static const struct file_operations fops_xmit = {
 914         .read = read_file_xmit,
 915         .open = ath9k_debugfs_open,
 916         .owner = THIS_MODULE,
 917         .llseek = default_llseek,
 918 };
 919
 920 static const struct file_operations fops_stations = {
 921         .read = read_file_stations,
 922         .open = ath9k_debugfs_open,
 923         .owner = THIS_MODULE,
 924         .llseek = default_llseek,
 925 };
 926
 927 static const struct file_operations fops_misc = {
 928         .read = read_file_misc,
 929         .open = ath9k_debugfs_open,
 930         .owner = THIS_MODULE,
 931         .llseek = default_llseek,
 932 };
 933
 934 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 935                               size_t count, loff_t *ppos)
 936 {
 937 #define PHY_ERR(s, p) \
 938         len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
 939                         sc->debug.stats.rxstats.phy_err_stats[p]);
 940
 941         struct ath_softc *sc = file->private_data;
 942         char *buf;
 943         unsigned int len = 0, size = 1400;
 944         ssize_t retval = 0;
 945
 946         buf = kzalloc(size, GFP_KERNEL);
 947         if (buf == NULL)
 948                 return -ENOMEM;
 949
 950         len += snprintf(buf + len, size - len,
 951                         "%18s : %10u\n", "CRC ERR",
 952                         sc->debug.stats.rxstats.crc_err);
 953         len += snprintf(buf + len, size - len,
 954                         "%18s : %10u\n", "DECRYPT CRC ERR",
 955                         sc->debug.stats.rxstats.decrypt_crc_err);
 956         len += snprintf(buf + len, size - len,
 957                         "%18s : %10u\n", "PHY ERR",
 958                         sc->debug.stats.rxstats.phy_err);
 959         len += snprintf(buf + len, size - len,
 960                         "%18s : %10u\n", "MIC ERR",
 961                         sc->debug.stats.rxstats.mic_err);
 962         len += snprintf(buf + len, size - len,
 963                         "%18s : %10u\n", "PRE-DELIM CRC ERR",
 964                         sc->debug.stats.rxstats.pre_delim_crc_err);
 965         len += snprintf(buf + len, size - len,
 966                         "%18s : %10u\n", "POST-DELIM CRC ERR",
 967                         sc->debug.stats.rxstats.post_delim_crc_err);
 968         len += snprintf(buf + len, size - len,
 969                         "%18s : %10u\n", "DECRYPT BUSY ERR",
 970                         sc->debug.stats.rxstats.decrypt_busy_err);
 971
 972         len += snprintf(buf + len, size - len,
 973                         "%18s : %10d\n", "RSSI-CTL0",
 974                         sc->debug.stats.rxstats.rs_rssi_ctl0);
 975
 976         len += snprintf(buf + len, size - len,
 977                         "%18s : %10d\n", "RSSI-CTL1",
 978                         sc->debug.stats.rxstats.rs_rssi_ctl1);
 979
 980         len += snprintf(buf + len, size - len,
 981                         "%18s : %10d\n", "RSSI-CTL2",
 982                         sc->debug.stats.rxstats.rs_rssi_ctl2);
 983
 984         len += snprintf(buf + len, size - len,
 985                         "%18s : %10d\n", "RSSI-EXT0",
 986                         sc->debug.stats.rxstats.rs_rssi_ext0);
 987
 988         len += snprintf(buf + len, size - len,
 989                         "%18s : %10d\n", "RSSI-EXT1",
 990                         sc->debug.stats.rxstats.rs_rssi_ext1);
 991
 992         len += snprintf(buf + len, size - len,
 993                         "%18s : %10d\n", "RSSI-EXT2",
 994                         sc->debug.stats.rxstats.rs_rssi_ext2);
 995
 996         len += snprintf(buf + len, size - len,
 997                         "%18s : %10d\n", "Rx Antenna",
 998                         sc->debug.stats.rxstats.rs_antenna);
 999
1000         PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
1001         PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
1002         PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
1003         PHY_ERR("RATE", ATH9K_PHYERR_RATE);
1004         PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
1005         PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
1006         PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
1007         PHY_ERR("TOR", ATH9K_PHYERR_TOR);
1008         PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
1009         PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
1010         PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
1011         PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
1012         PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
1013         PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
1014         PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
1015         PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
1016         PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
1017         PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
1018         PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
1019         PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
1020         PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
1021         PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1022         PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
1023         PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
1024         PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1025         PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1026
1027         len += snprintf(buf + len, size - len,
1028                         "%18s : %10u\n", "RX-Pkts-All",
1029                         sc->debug.stats.rxstats.rx_pkts_all);
1030         len += snprintf(buf + len, size - len,
1031                         "%18s : %10u\n", "RX-Bytes-All",
1032                         sc->debug.stats.rxstats.rx_bytes_all);
1033
1034         if (len > size)
1035                 len = size;
1036
1037         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1038         kfree(buf);
1039
1040         return retval;
1041
1042 #undef PHY_ERR
1043 }
1044
1045 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1046 {
1047 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
1048 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1049 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
1050                         [sc->debug.rsidx].c)
1051
1052         u32 phyerr;
1053
1054         RX_STAT_INC(rx_pkts_all);
1055         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1056
1057         if (rs->rs_status & ATH9K_RXERR_CRC)
1058                 RX_STAT_INC(crc_err);
1059         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1060                 RX_STAT_INC(decrypt_crc_err);
1061         if (rs->rs_status & ATH9K_RXERR_MIC)
1062                 RX_STAT_INC(mic_err);
1063         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1064                 RX_STAT_INC(pre_delim_crc_err);
1065         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1066                 RX_STAT_INC(post_delim_crc_err);
1067         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1068                 RX_STAT_INC(decrypt_busy_err);
1069
1070         if (rs->rs_status & ATH9K_RXERR_PHY) {
1071                 RX_STAT_INC(phy_err);
1072                 phyerr = rs->rs_phyerr & 0x24;
1073                 RX_PHY_ERR_INC(phyerr);
1074         }
1075
1076         sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
1077         sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
1078         sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
1079
1080         sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
1081         sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
1082         sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
1083
1084         sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
1085
1086         spin_lock(&sc->debug.samp_lock);
1087         RX_SAMP_DBG(jiffies) = jiffies;
1088         RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1089         RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1090         RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1091         RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1092         RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1093         RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1094         RX_SAMP_DBG(antenna) = rs->rs_antenna;
1095         RX_SAMP_DBG(rssi) = rs->rs_rssi;
1096         RX_SAMP_DBG(rate) = rs->rs_rate;
1097         RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1098
1099         sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1100         spin_unlock(&sc->debug.samp_lock);
1101
1102 #undef RX_STAT_INC
1103 #undef RX_PHY_ERR_INC
1104 #undef RX_SAMP_DBG
1105 }
1106
1107 static const struct file_operations fops_recv = {
1108         .read = read_file_recv,
1109         .open = ath9k_debugfs_open,
1110         .owner = THIS_MODULE,
1111         .llseek = default_llseek,
1112 };
1113
1114 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1115                                 size_t count, loff_t *ppos)
1116 {
1117         struct ath_softc *sc = file->private_data;
1118         char buf[32];
1119         unsigned int len;
1120
1121         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1122         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1123 }
1124
1125 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1126                              size_t count, loff_t *ppos)
1127 {
1128         struct ath_softc *sc = file->private_data;
1129         unsigned long regidx;
1130         char buf[32];
1131         ssize_t len;
1132
1133         len = min(count, sizeof(buf) - 1);
1134         if (copy_from_user(buf, user_buf, len))
1135                 return -EFAULT;
1136
1137         buf[len] = '\0';
1138         if (strict_strtoul(buf, 0, &regidx))
1139                 return -EINVAL;
1140
1141         sc->debug.regidx = regidx;
1142         return count;
1143 }
1144
1145 static const struct file_operations fops_regidx = {
1146         .read = read_file_regidx,
1147         .write = write_file_regidx,
1148         .open = ath9k_debugfs_open,
1149         .owner = THIS_MODULE,
1150         .llseek = default_llseek,
1151 };
1152
1153 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1154                              size_t count, loff_t *ppos)
1155 {
1156         struct ath_softc *sc = file->private_data;
1157         struct ath_hw *ah = sc->sc_ah;
1158         char buf[32];
1159         unsigned int len;
1160         u32 regval;
1161
1162         ath9k_ps_wakeup(sc);
1163         regval = REG_READ_D(ah, sc->debug.regidx);
1164         ath9k_ps_restore(sc);
1165         len = sprintf(buf, "0x%08x\n", regval);
1166         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1167 }
1168
1169 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1170                              size_t count, loff_t *ppos)
1171 {
1172         struct ath_softc *sc = file->private_data;
1173         struct ath_hw *ah = sc->sc_ah;
1174         unsigned long regval;
1175         char buf[32];
1176         ssize_t len;
1177
1178         len = min(count, sizeof(buf) - 1);
1179         if (copy_from_user(buf, user_buf, len))
1180                 return -EFAULT;
1181
1182         buf[len] = '\0';
1183         if (strict_strtoul(buf, 0, &regval))
1184                 return -EINVAL;
1185
1186         ath9k_ps_wakeup(sc);
1187         REG_WRITE_D(ah, sc->debug.regidx, regval);
1188         ath9k_ps_restore(sc);
1189         return count;
1190 }
1191
1192 static const struct file_operations fops_regval = {
1193         .read = read_file_regval,
1194         .write = write_file_regval,
1195         .open = ath9k_debugfs_open,
1196         .owner = THIS_MODULE,
1197         .llseek = default_llseek,
1198 };
1199
1200 #define REGDUMP_LINE_SIZE       20
1201
1202 static int open_file_regdump(struct inode *inode, struct file *file)
1203 {
1204         struct ath_softc *sc = inode->i_private;
1205         unsigned int len = 0;
1206         u8 *buf;
1207         int i;
1208         unsigned long num_regs, regdump_len, max_reg_offset;
1209
1210         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1211         num_regs = max_reg_offset / 4 + 1;
1212         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1213         buf = vmalloc(regdump_len);
1214         if (!buf)
1215                 return -ENOMEM;
1216
1217         ath9k_ps_wakeup(sc);
1218         for (i = 0; i < num_regs; i++)
1219                 len += scnprintf(buf + len, regdump_len - len,
1220                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1221         ath9k_ps_restore(sc);
1222
1223         file->private_data = buf;
1224
1225         return 0;
1226 }
1227
1228 static const struct file_operations fops_regdump = {
1229         .open = open_file_regdump,
1230         .read = ath9k_debugfs_read_buf,
1231         .release = ath9k_debugfs_release_buf,
1232         .owner = THIS_MODULE,
1233         .llseek = default_llseek,/* read accesses f_pos */
1234 };
1235
1236 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1237                                     size_t count, loff_t *ppos)
1238 {
1239         struct ath_softc *sc = file->private_data;
1240         struct ath_hw *ah = sc->sc_ah;
1241         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1242         struct ath_common *common = ath9k_hw_common(ah);
1243         struct ieee80211_conf *conf = &common->hw->conf;
1244         u32 len = 0, size = 1500;
1245         u32 i, j;
1246         ssize_t retval = 0;
1247         char *buf;
1248         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1249         u8 nread;
1250
1251         buf = kzalloc(size, GFP_KERNEL);
1252         if (!buf)
1253                 return -ENOMEM;
1254
1255         len += snprintf(buf + len, size - len,
1256                         "Channel Noise Floor : %d\n", ah->noise);
1257         len += snprintf(buf + len, size - len,
1258                         "Chain | privNF | # Readings | NF Readings\n");
1259         for (i = 0; i < NUM_NF_READINGS; i++) {
1260                 if (!(chainmask & (1 << i)) ||
1261                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1262                         continue;
1263
1264                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1265                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1266                                 i, h[i].privNF, nread);
1267                 for (j = 0; j < nread; j++)
1268                         len += snprintf(buf + len, size - len,
1269                                         " %d", h[i].nfCalBuffer[j]);
1270                 len += snprintf(buf + len, size - len, "\n");
1271         }
1272
1273         if (len > size)
1274                 len = size;
1275
1276         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1277         kfree(buf);
1278
1279         return retval;
1280 }
1281
1282 static const struct file_operations fops_dump_nfcal = {
1283         .read = read_file_dump_nfcal,
1284         .open = ath9k_debugfs_open,
1285         .owner = THIS_MODULE,
1286         .llseek = default_llseek,
1287 };
1288
1289 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1290                                      size_t count, loff_t *ppos)
1291 {
1292         struct ath_softc *sc = file->private_data;
1293         struct ath_hw *ah = sc->sc_ah;
1294         u32 len = 0, size = 1500;
1295         ssize_t retval = 0;
1296         char *buf;
1297
1298         buf = kzalloc(size, GFP_KERNEL);
1299         if (!buf)
1300                 return -ENOMEM;
1301
1302         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1303
1304         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1305         kfree(buf);
1306
1307         return retval;
1308 }
1309
1310 static const struct file_operations fops_base_eeprom = {
1311         .read = read_file_base_eeprom,
1312         .open = ath9k_debugfs_open,
1313         .owner = THIS_MODULE,
1314         .llseek = default_llseek,
1315 };
1316
1317 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1318                                       size_t count, loff_t *ppos)
1319 {
1320         struct ath_softc *sc = file->private_data;
1321         struct ath_hw *ah = sc->sc_ah;
1322         u32 len = 0, size = 6000;
1323         char *buf;
1324         size_t retval;
1325
1326         buf = kzalloc(size, GFP_KERNEL);
1327         if (buf == NULL)
1328                 return -ENOMEM;
1329
1330         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1331
1332         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1333         kfree(buf);
1334
1335         return retval;
1336 }
1337
1338 static const struct file_operations fops_modal_eeprom = {
1339         .read = read_file_modal_eeprom,
1340         .open = ath9k_debugfs_open,
1341         .owner = THIS_MODULE,
1342         .llseek = default_llseek,
1343 };
1344
1345 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1346 {
1347 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1348         struct ath_hw *ah = sc->sc_ah;
1349         struct ath_common *common = ath9k_hw_common(ah);
1350         unsigned long flags;
1351         int i;
1352
1353         ath9k_ps_wakeup(sc);
1354
1355         spin_lock_bh(&sc->debug.samp_lock);
1356
1357         spin_lock_irqsave(&common->cc_lock, flags);
1358         ath_hw_cycle_counters_update(common);
1359
1360         ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1361         ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1362         ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1363         ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1364         spin_unlock_irqrestore(&common->cc_lock, flags);
1365
1366         ATH_SAMP_DBG(noise) = ah->noise;
1367
1368         REG_WRITE_D(ah, AR_MACMISC,
1369                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1370                    (AR_MACMISC_MISC_OBS_BUS_1 <<
1371                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1372
1373         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1374                 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1375                                 AR_DMADBG_0 + (i * sizeof(u32)));
1376
1377         ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1378         ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1379
1380         memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1381                         sizeof(ATH_SAMP_DBG(nfCalHist)));
1382
1383         sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1384         spin_unlock_bh(&sc->debug.samp_lock);
1385         ath9k_ps_restore(sc);
1386
1387 #undef ATH_SAMP_DBG
1388 }
1389
1390 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1391 {
1392 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1393         struct ath_softc *sc = inode->i_private;
1394         struct ath_hw *ah = sc->sc_ah;
1395         struct ath_common *common = ath9k_hw_common(ah);
1396         struct ieee80211_conf *conf = &common->hw->conf;
1397         struct ath_dbg_bb_mac_samp *bb_mac_samp;
1398         struct ath9k_nfcal_hist *h;
1399         int i, j, qcuOffset = 0, dcuOffset = 0;
1400         u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1401         u32 sampidx = 0;
1402         u8 *buf;
1403         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1404         u8 nread;
1405
1406         if (sc->sc_flags & SC_OP_INVALID)
1407                 return -EAGAIN;
1408
1409         buf = vmalloc(size);
1410         if (!buf)
1411                 return -ENOMEM;
1412         bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1413         if (!bb_mac_samp) {
1414                 vfree(buf);
1415                 return -ENOMEM;
1416         }
1417         /* Account the current state too */
1418         ath9k_debug_samp_bb_mac(sc);
1419
1420         spin_lock_bh(&sc->debug.samp_lock);
1421         memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1422                         sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1423         len += snprintf(buf + len, size - len,
1424                         "Current Sample Index: %d\n", sc->debug.sampidx);
1425         spin_unlock_bh(&sc->debug.samp_lock);
1426
1427         len += snprintf(buf + len, size - len,
1428                         "Raw DMA Debug Dump:\n");
1429         len += snprintf(buf + len, size - len, "Sample |\t");
1430         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1431                 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1432         len += snprintf(buf + len, size - len, "\n");
1433
1434         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1435                 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1436
1437                 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1438                         len += snprintf(buf + len, size - len, " %08x\t",
1439                                         ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1440                 len += snprintf(buf + len, size - len, "\n");
1441         }
1442         len += snprintf(buf + len, size - len, "\n");
1443
1444         len += snprintf(buf + len, size - len,
1445                         "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1446         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1447                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1448                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1449
1450                 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1451                                 qcuOffset += 4, dcuOffset += 5) {
1452                         if (i == 8) {
1453                                 qcuOffset = 0;
1454                                 qcuBase++;
1455                         }
1456
1457                         if (i == 6) {
1458                                 dcuOffset = 0;
1459                                 dcuBase++;
1460                         }
1461                         if (!sc->debug.stats.txstats[i].queued)
1462                                 continue;
1463
1464                         len += snprintf(buf + len, size - len,
1465                                 "%4d %7d    %2x      %1x     %2x         %2x\n",
1466                                 sampidx, i,
1467                                 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1468                                 (*qcuBase & (0x8 << qcuOffset)) >>
1469                                 (qcuOffset + 3),
1470                                 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1471                                 (0x7 << (i * 3)) >> (i * 3),
1472                                 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1473                 }
1474                 len += snprintf(buf + len, size - len, "\n");
1475         }
1476         len += snprintf(buf + len, size - len,
1477                         "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1478                         "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1479                         "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1480
1481         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1482                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1483                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1484
1485                 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1486                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1487                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1488                 len += snprintf(buf + len, size - len, "%7x %8x ",
1489                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1490                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1491                 len += snprintf(buf + len, size - len, "%7x %7x ",
1492                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1493                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1494                 len += snprintf(buf + len, size - len, "%7d %12d ",
1495                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1496                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1497                 len += snprintf(buf + len, size - len, "%12d %12d ",
1498                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1499                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1500                 len += snprintf(buf + len, size - len, "%12d %12d ",
1501                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1502                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1503                 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1504                                 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1505         }
1506
1507         len += snprintf(buf + len, size - len,
1508                         "Sample ChNoise Chain privNF #Reading Readings\n");
1509         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1510                 h = ATH_SAMP_DBG(nfCalHist);
1511                 if (!ATH_SAMP_DBG(noise))
1512                         continue;
1513
1514                 for (i = 0; i < NUM_NF_READINGS; i++) {
1515                         if (!(chainmask & (1 << i)) ||
1516                             ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1517                                 continue;
1518
1519                         nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1520                                 h[i].invalidNFcount;
1521                         len += snprintf(buf + len, size - len,
1522                                         "%4d %5d %4d\t   %d\t %d\t",
1523                                         sampidx, ATH_SAMP_DBG(noise),
1524                                         i, h[i].privNF, nread);
1525                         for (j = 0; j < nread; j++)
1526                                 len += snprintf(buf + len, size - len,
1527                                         " %d", h[i].nfCalBuffer[j]);
1528                         len += snprintf(buf + len, size - len, "\n");
1529                 }
1530         }
1531         len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1532                         "Sample Total    Rxbusy   Rxframes Txframes\n");
1533         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1534                 if (!ATH_SAMP_DBG(cc.cycles))
1535                         continue;
1536                 len += snprintf(buf + len, size - len,
1537                                 "%4d %08x %08x %08x %08x\n",
1538                                 sampidx, ATH_SAMP_DBG(cc.cycles),
1539                                 ATH_SAMP_DBG(cc.rx_busy),
1540                                 ATH_SAMP_DBG(cc.rx_frame),
1541                                 ATH_SAMP_DBG(cc.tx_frame));
1542         }
1543
1544         len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1545         len += snprintf(buf + len, size - len,
1546                         "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1547                         "isok rts_fail data_fail rate tid qid "
1548                                         "ba_low  ba_high tx_before(ms)\n");
1549         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1550                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1551                         if (!ATH_SAMP_DBG(ts[i].jiffies))
1552                                 continue;
1553                         len += snprintf(buf + len, size - len, "%-14d"
1554                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1555                                 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1556                                 sampidx,
1557                                 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1558                                 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1559                                 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1560                                 ATH_SAMP_DBG(ts[i].rssi_ext0),
1561                                 ATH_SAMP_DBG(ts[i].rssi_ext1),
1562                                 ATH_SAMP_DBG(ts[i].rssi_ext2),
1563                                 ATH_SAMP_DBG(ts[i].rssi),
1564                                 ATH_SAMP_DBG(ts[i].isok),
1565                                 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1566                                 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1567                                 ATH_SAMP_DBG(ts[i].rateindex),
1568                                 ATH_SAMP_DBG(ts[i].tid),
1569                                 ATH_SAMP_DBG(ts[i].qid),
1570                                 ATH_SAMP_DBG(ts[i].ba_low),
1571                                 ATH_SAMP_DBG(ts[i].ba_high),
1572                                 jiffies_to_msecs(jiffies -
1573                                         ATH_SAMP_DBG(ts[i].jiffies)));
1574                 }
1575         }
1576
1577         len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1578         len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1579                         "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1580         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1581                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1582                         if (!ATH_SAMP_DBG(rs[i].jiffies))
1583                                 continue;
1584                         len += snprintf(buf + len, size - len, "%-14d"
1585                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1586                                 sampidx,
1587                                 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1588                                 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1589                                 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1590                                 ATH_SAMP_DBG(rs[i].rssi_ext0),
1591                                 ATH_SAMP_DBG(rs[i].rssi_ext1),
1592                                 ATH_SAMP_DBG(rs[i].rssi_ext2),
1593                                 ATH_SAMP_DBG(rs[i].rssi),
1594                                 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1595                                 "True" : "False",
1596                                 ATH_SAMP_DBG(rs[i].antenna),
1597                                 ATH_SAMP_DBG(rs[i].rate),
1598                                 jiffies_to_msecs(jiffies -
1599                                         ATH_SAMP_DBG(rs[i].jiffies)));
1600                 }
1601         }
1602
1603         vfree(bb_mac_samp);
1604         file->private_data = buf;
1605
1606         return 0;
1607 #undef ATH_SAMP_DBG
1608 }
1609
1610 static const struct file_operations fops_samps = {
1611         .open = open_file_bb_mac_samps,
1612         .read = ath9k_debugfs_read_buf,
1613         .release = ath9k_debugfs_release_buf,
1614         .owner = THIS_MODULE,
1615         .llseek = default_llseek,
1616 };
1617
1618
1619 int ath9k_init_debug(struct ath_hw *ah)
1620 {
1621         struct ath_common *common = ath9k_hw_common(ah);
1622         struct ath_softc *sc = (struct ath_softc *) common->priv;
1623
1624         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1625                                                    sc->hw->wiphy->debugfsdir);
1626         if (!sc->debug.debugfs_phy)
1627                 return -ENOMEM;
1628
1629 #ifdef CONFIG_ATH_DEBUG
1630         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1631                             sc, &fops_debug);
1632 #endif
1633         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1634                             &fops_dma);
1635         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1636                             &fops_interrupt);
1637         debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1638                             sc, &fops_wiphy);
1639         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1640                             &fops_xmit);
1641         debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1642                             &fops_stations);
1643         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1644                             &fops_misc);
1645         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1646                             &fops_recv);
1647         debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1648                             sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1649         debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1650                             sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1651         debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1652                             sc->debug.debugfs_phy, sc, &fops_disable_ani);
1653         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1654                             sc, &fops_regidx);
1655         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1656                             sc, &fops_regval);
1657         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1658                             sc->debug.debugfs_phy,
1659                             &ah->config.cwm_ignore_extcca);
1660         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1661                             &fops_regdump);
1662         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1663                             &fops_dump_nfcal);
1664         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1665                             &fops_base_eeprom);
1666         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1667                             &fops_modal_eeprom);
1668         debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1669                             &fops_samps);
1670
1671         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1672                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1673
1674         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1675                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1676
1677         sc->debug.regidx = 0;
1678         memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1679         sc->debug.sampidx = 0;
1680         sc->debug.tsidx = 0;
1681         sc->debug.rsidx = 0;
1682         return 0;
1683 }