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
  30 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  31                                       size_t count, loff_t *ppos)
  32 {
  33         u8 *buf = file->private_data;
  34         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  35 }
  36
  37 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  38 {
  39         vfree(file->private_data);
  40         return 0;
  41 }
  42
  43 #ifdef CONFIG_ATH_DEBUG
  44
  45 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  46                              size_t count, loff_t *ppos)
  47 {
  48         struct ath_softc *sc = file->private_data;
  49         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  50         char buf[32];
  51         unsigned int len;
  52
  53         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  54         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  55 }
  56
  57 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  58                              size_t count, loff_t *ppos)
  59 {
  60         struct ath_softc *sc = file->private_data;
  61         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  62         unsigned long mask;
  63         char buf[32];
  64         ssize_t len;
  65
  66         len = min(count, sizeof(buf) - 1);
  67         if (copy_from_user(buf, user_buf, len))
  68                 return -EFAULT;
  69
  70         buf[len] = '\0';
  71         if (strict_strtoul(buf, 0, &mask))
  72                 return -EINVAL;
  73
  74         common->debug_mask = mask;
  75         return count;
  76 }
  77
  78 static const struct file_operations fops_debug = {
  79         .read = read_file_debug,
  80         .write = write_file_debug,
  81         .open = simple_open,
  82         .owner = THIS_MODULE,
  83         .llseek = default_llseek,
  84 };
  85
  86 #endif
  87
  88 #define DMA_BUF_LEN 1024
  89
  90 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
  91                              size_t count, loff_t *ppos)
  92 {
  93         struct ath_softc *sc = file->private_data;
  94         struct ath_hw *ah = sc->sc_ah;
  95         char buf[32];
  96         unsigned int len;
  97
  98         len = sprintf(buf, "0x%08x\n", ah->txchainmask);
  99         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 100 }
 101
 102 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
 103                              size_t count, loff_t *ppos)
 104 {
 105         struct ath_softc *sc = file->private_data;
 106         struct ath_hw *ah = sc->sc_ah;
 107         unsigned long mask;
 108         char buf[32];
 109         ssize_t len;
 110
 111         len = min(count, sizeof(buf) - 1);
 112         if (copy_from_user(buf, user_buf, len))
 113                 return -EFAULT;
 114
 115         buf[len] = '\0';
 116         if (strict_strtoul(buf, 0, &mask))
 117                 return -EINVAL;
 118
 119         ah->txchainmask = mask;
 120         ah->caps.tx_chainmask = mask;
 121         return count;
 122 }
 123
 124 static const struct file_operations fops_tx_chainmask = {
 125         .read = read_file_tx_chainmask,
 126         .write = write_file_tx_chainmask,
 127         .open = simple_open,
 128         .owner = THIS_MODULE,
 129         .llseek = default_llseek,
 130 };
 131
 132
 133 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
 134                              size_t count, loff_t *ppos)
 135 {
 136         struct ath_softc *sc = file->private_data;
 137         struct ath_hw *ah = sc->sc_ah;
 138         char buf[32];
 139         unsigned int len;
 140
 141         len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
 142         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 143 }
 144
 145 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
 146                              size_t count, loff_t *ppos)
 147 {
 148         struct ath_softc *sc = file->private_data;
 149         struct ath_hw *ah = sc->sc_ah;
 150         unsigned long mask;
 151         char buf[32];
 152         ssize_t len;
 153
 154         len = min(count, sizeof(buf) - 1);
 155         if (copy_from_user(buf, user_buf, len))
 156                 return -EFAULT;
 157
 158         buf[len] = '\0';
 159         if (strict_strtoul(buf, 0, &mask))
 160                 return -EINVAL;
 161
 162         ah->rxchainmask = mask;
 163         ah->caps.rx_chainmask = mask;
 164         return count;
 165 }
 166
 167 static const struct file_operations fops_rx_chainmask = {
 168         .read = read_file_rx_chainmask,
 169         .write = write_file_rx_chainmask,
 170         .open = simple_open,
 171         .owner = THIS_MODULE,
 172         .llseek = default_llseek,
 173 };
 174
 175 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
 176                              size_t count, loff_t *ppos)
 177 {
 178         struct ath_softc *sc = file->private_data;
 179         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 180         char buf[32];
 181         unsigned int len;
 182
 183         len = sprintf(buf, "%d\n", common->disable_ani);
 184         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 185 }
 186
 187 static ssize_t write_file_disable_ani(struct file *file,
 188                                       const char __user *user_buf,
 189                                       size_t count, loff_t *ppos)
 190 {
 191         struct ath_softc *sc = file->private_data;
 192         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 193         unsigned long disable_ani;
 194         char buf[32];
 195         ssize_t len;
 196
 197         len = min(count, sizeof(buf) - 1);
 198         if (copy_from_user(buf, user_buf, len))
 199                 return -EFAULT;
 200
 201         buf[len] = '\0';
 202         if (strict_strtoul(buf, 0, &disable_ani))
 203                 return -EINVAL;
 204
 205         common->disable_ani = !!disable_ani;
 206
 207         if (disable_ani) {
 208                 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 209                 ath_stop_ani(sc);
 210         } else {
 211                 ath_check_ani(sc);
 212         }
 213
 214         return count;
 215 }
 216
 217 static const struct file_operations fops_disable_ani = {
 218         .read = read_file_disable_ani,
 219         .write = write_file_disable_ani,
 220         .open = simple_open,
 221         .owner = THIS_MODULE,
 222         .llseek = default_llseek,
 223 };
 224
 225 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 226                              size_t count, loff_t *ppos)
 227 {
 228         struct ath_softc *sc = file->private_data;
 229         struct ath_hw *ah = sc->sc_ah;
 230         char *buf;
 231         int retval;
 232         unsigned int len = 0;
 233         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 234         int i, qcuOffset = 0, dcuOffset = 0;
 235         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 236
 237         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 238         if (!buf)
 239                 return -ENOMEM;
 240
 241         ath9k_ps_wakeup(sc);
 242
 243         REG_WRITE_D(ah, AR_MACMISC,
 244                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 245                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 246                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 247
 248         len += snprintf(buf + len, DMA_BUF_LEN - len,
 249                         "Raw DMA Debug values:\n");
 250
 251         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 252                 if (i % 4 == 0)
 253                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 254
 255                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 256                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 257                                 i, val[i]);
 258         }
 259
 260         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 261         len += snprintf(buf + len, DMA_BUF_LEN - len,
 262                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 263
 264         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 265                 if (i == 8) {
 266                         qcuOffset = 0;
 267                         qcuBase++;
 268                 }
 269
 270                 if (i == 6) {
 271                         dcuOffset = 0;
 272                         dcuBase++;
 273                 }
 274
 275                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 276                         "%2d          %2x      %1x     %2x           %2x\n",
 277                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 278                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 279                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 280                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 281         }
 282
 283         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 284
 285         len += snprintf(buf + len, DMA_BUF_LEN - len,
 286                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 287                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 288         len += snprintf(buf + len, DMA_BUF_LEN - len,
 289                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 290                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 291         len += snprintf(buf + len, DMA_BUF_LEN - len,
 292                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 293                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 294         len += snprintf(buf + len, DMA_BUF_LEN - len,
 295                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 296                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 297         len += snprintf(buf + len, DMA_BUF_LEN - len,
 298                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 299                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 300         len += snprintf(buf + len, DMA_BUF_LEN - len,
 301                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 302                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 303
 304         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 305                         REG_READ_D(ah, AR_OBS_BUS_1));
 306         len += snprintf(buf + len, DMA_BUF_LEN - len,
 307                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 308
 309         ath9k_ps_restore(sc);
 310
 311         if (len > DMA_BUF_LEN)
 312                 len = DMA_BUF_LEN;
 313
 314         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 315         kfree(buf);
 316         return retval;
 317 }
 318
 319 static const struct file_operations fops_dma = {
 320         .read = read_file_dma,
 321         .open = simple_open,
 322         .owner = THIS_MODULE,
 323         .llseek = default_llseek,
 324 };
 325
 326
 327 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 328 {
 329         if (status)
 330                 sc->debug.stats.istats.total++;
 331         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 332                 if (status & ATH9K_INT_RXLP)
 333                         sc->debug.stats.istats.rxlp++;
 334                 if (status & ATH9K_INT_RXHP)
 335                         sc->debug.stats.istats.rxhp++;
 336                 if (status & ATH9K_INT_BB_WATCHDOG)
 337                         sc->debug.stats.istats.bb_watchdog++;
 338         } else {
 339                 if (status & ATH9K_INT_RX)
 340                         sc->debug.stats.istats.rxok++;
 341         }
 342         if (status & ATH9K_INT_RXEOL)
 343                 sc->debug.stats.istats.rxeol++;
 344         if (status & ATH9K_INT_RXORN)
 345                 sc->debug.stats.istats.rxorn++;
 346         if (status & ATH9K_INT_TX)
 347                 sc->debug.stats.istats.txok++;
 348         if (status & ATH9K_INT_TXURN)
 349                 sc->debug.stats.istats.txurn++;
 350         if (status & ATH9K_INT_RXPHY)
 351                 sc->debug.stats.istats.rxphyerr++;
 352         if (status & ATH9K_INT_RXKCM)
 353                 sc->debug.stats.istats.rx_keycache_miss++;
 354         if (status & ATH9K_INT_SWBA)
 355                 sc->debug.stats.istats.swba++;
 356         if (status & ATH9K_INT_BMISS)
 357                 sc->debug.stats.istats.bmiss++;
 358         if (status & ATH9K_INT_BNR)
 359                 sc->debug.stats.istats.bnr++;
 360         if (status & ATH9K_INT_CST)
 361                 sc->debug.stats.istats.cst++;
 362         if (status & ATH9K_INT_GTT)
 363                 sc->debug.stats.istats.gtt++;
 364         if (status & ATH9K_INT_TIM)
 365                 sc->debug.stats.istats.tim++;
 366         if (status & ATH9K_INT_CABEND)
 367                 sc->debug.stats.istats.cabend++;
 368         if (status & ATH9K_INT_DTIMSYNC)
 369                 sc->debug.stats.istats.dtimsync++;
 370         if (status & ATH9K_INT_DTIM)
 371                 sc->debug.stats.istats.dtim++;
 372         if (status & ATH9K_INT_TSFOOR)
 373                 sc->debug.stats.istats.tsfoor++;
 374         if (status & ATH9K_INT_MCI)
 375                 sc->debug.stats.istats.mci++;
 376 }
 377
 378 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 379                                    size_t count, loff_t *ppos)
 380 {
 381         struct ath_softc *sc = file->private_data;
 382         unsigned int len = 0;
 383         int rv;
 384         int mxlen = 4000;
 385         char *buf = kmalloc(mxlen, GFP_KERNEL);
 386         if (!buf)
 387                 return -ENOMEM;
 388
 389 #define PR_IS(a, s)                                             \
 390         do {                                                    \
 391                 len += snprintf(buf + len, mxlen - len,         \
 392                                 "%21s: %10u\n", a,              \
 393                                 sc->debug.stats.istats.s);      \
 394         } while (0)
 395
 396         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 397                 PR_IS("RXLP", rxlp);
 398                 PR_IS("RXHP", rxhp);
 399                 PR_IS("WATHDOG", bb_watchdog);
 400         } else {
 401                 PR_IS("RX", rxok);
 402         }
 403         PR_IS("RXEOL", rxeol);
 404         PR_IS("RXORN", rxorn);
 405         PR_IS("TX", txok);
 406         PR_IS("TXURN", txurn);
 407         PR_IS("MIB", mib);
 408         PR_IS("RXPHY", rxphyerr);
 409         PR_IS("RXKCM", rx_keycache_miss);
 410         PR_IS("SWBA", swba);
 411         PR_IS("BMISS", bmiss);
 412         PR_IS("BNR", bnr);
 413         PR_IS("CST", cst);
 414         PR_IS("GTT", gtt);
 415         PR_IS("TIM", tim);
 416         PR_IS("CABEND", cabend);
 417         PR_IS("DTIMSYNC", dtimsync);
 418         PR_IS("DTIM", dtim);
 419         PR_IS("TSFOOR", tsfoor);
 420         PR_IS("MCI", mci);
 421         PR_IS("TOTAL", total);
 422
 423         len += snprintf(buf + len, mxlen - len,
 424                         "SYNC_CAUSE stats:\n");
 425
 426         PR_IS("Sync-All", sync_cause_all);
 427         PR_IS("RTC-IRQ", sync_rtc_irq);
 428         PR_IS("MAC-IRQ", sync_mac_irq);
 429         PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 430         PR_IS("APB-Timeout", apb_timeout);
 431         PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 432         PR_IS("HOST1-Fatal", host1_fatal);
 433         PR_IS("HOST1-Perr", host1_perr);
 434         PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 435         PR_IS("RADM-CPL-EP", radm_cpl_ep);
 436         PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 437         PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 438         PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 439         PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 440         PR_IS("Local-Bus-Timeout", local_timeout);
 441         PR_IS("PM-Access", pm_access);
 442         PR_IS("MAC-Awake", mac_awake);
 443         PR_IS("MAC-Asleep", mac_asleep);
 444         PR_IS("MAC-Sleep-Access", mac_sleep_access);
 445
 446         if (len > mxlen)
 447                 len = mxlen;
 448
 449         rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 450         kfree(buf);
 451         return rv;
 452 }
 453
 454 static const struct file_operations fops_interrupt = {
 455         .read = read_file_interrupt,
 456         .open = simple_open,
 457         .owner = THIS_MODULE,
 458         .llseek = default_llseek,
 459 };
 460
 461 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
 462 #define PR(str, elem)                                                   \
 463         do {                                                            \
 464                 len += snprintf(buf + len, size - len,                  \
 465                                 "%s%13u%11u%10u%10u\n", str,            \
 466                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
 467                 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
 468                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
 469                 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
 470                 if (len >= size)                          \
 471                         goto done;                        \
 472 } while(0)
 473
 474 #define PRX(str, elem)                                                  \
 475 do {                                                                    \
 476         len += snprintf(buf + len, size - len,                          \
 477                         "%s%13u%11u%10u%10u\n", str,                    \
 478                         (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem),        \
 479                         (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem),        \
 480                         (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem),        \
 481                         (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem));       \
 482         if (len >= size)                                                \
 483                 goto done;                                              \
 484 } while(0)
 485
 486 #define PRQLE(str, elem)                                                \
 487 do {                                                                    \
 488         len += snprintf(buf + len, size - len,                          \
 489                         "%s%13i%11i%10i%10i\n", str,                    \
 490                         list_empty(&sc->tx.txq_map[WME_AC_BE]->elem),   \
 491                         list_empty(&sc->tx.txq_map[WME_AC_BK]->elem),   \
 492                         list_empty(&sc->tx.txq_map[WME_AC_VI]->elem),   \
 493                         list_empty(&sc->tx.txq_map[WME_AC_VO]->elem));  \
 494         if (len >= size)                                                \
 495                 goto done;                                              \
 496 } while (0)
 497
 498 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 499                               size_t count, loff_t *ppos)
 500 {
 501         struct ath_softc *sc = file->private_data;
 502         char *buf;
 503         unsigned int len = 0, size = 8000;
 504         int i;
 505         ssize_t retval = 0;
 506         char tmp[32];
 507
 508         buf = kzalloc(size, GFP_KERNEL);
 509         if (buf == NULL)
 510                 return -ENOMEM;
 511
 512         len += sprintf(buf, "Num-Tx-Queues: %i  tx-queues-setup: 0x%x"
 513                        " poll-work-seen: %u\n"
 514                        "%30s %10s%10s%10s\n\n",
 515                        ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
 516                        sc->tx_complete_poll_work_seen,
 517                        "BE", "BK", "VI", "VO");
 518
 519         PR("MPDUs Queued:    ", queued);
 520         PR("MPDUs Completed: ", completed);
 521         PR("MPDUs XRetried:  ", xretries);
 522         PR("Aggregates:      ", a_aggr);
 523         PR("AMPDUs Queued HW:", a_queued_hw);
 524         PR("AMPDUs Queued SW:", a_queued_sw);
 525         PR("AMPDUs Completed:", a_completed);
 526         PR("AMPDUs Retried:  ", a_retries);
 527         PR("AMPDUs XRetried: ", a_xretries);
 528         PR("FIFO Underrun:   ", fifo_underrun);
 529         PR("TXOP Exceeded:   ", xtxop);
 530         PR("TXTIMER Expiry:  ", timer_exp);
 531         PR("DESC CFG Error:  ", desc_cfg_err);
 532         PR("DATA Underrun:   ", data_underrun);
 533         PR("DELIM Underrun:  ", delim_underrun);
 534         PR("TX-Pkts-All:     ", tx_pkts_all);
 535         PR("TX-Bytes-All:    ", tx_bytes_all);
 536         PR("hw-put-tx-buf:   ", puttxbuf);
 537         PR("hw-tx-start:     ", txstart);
 538         PR("hw-tx-proc-desc: ", txprocdesc);
 539         PR("TX-Failed:       ", txfailed);
 540         len += snprintf(buf + len, size - len,
 541                         "%s%11p%11p%10p%10p\n", "txq-memory-address:",
 542                         sc->tx.txq_map[WME_AC_BE],
 543                         sc->tx.txq_map[WME_AC_BK],
 544                         sc->tx.txq_map[WME_AC_VI],
 545                         sc->tx.txq_map[WME_AC_VO]);
 546         if (len >= size)
 547                 goto done;
 548
 549         PRX("axq-qnum:        ", axq_qnum);
 550         PRX("axq-depth:       ", axq_depth);
 551         PRX("axq-ampdu_depth: ", axq_ampdu_depth);
 552         PRX("axq-stopped      ", stopped);
 553         PRX("tx-in-progress   ", axq_tx_inprogress);
 554         PRX("pending-frames   ", pending_frames);
 555         PRX("txq_headidx:     ", txq_headidx);
 556         PRX("txq_tailidx:     ", txq_headidx);
 557
 558         PRQLE("axq_q empty:       ", axq_q);
 559         PRQLE("axq_acq empty:     ", axq_acq);
 560         for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
 561                 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
 562                 PRQLE(tmp, txq_fifo[i]);
 563         }
 564
 565         /* Print out more detailed queue-info */
 566         for (i = 0; i <= WME_AC_BK; i++) {
 567                 struct ath_txq *txq = &(sc->tx.txq[i]);
 568                 struct ath_atx_ac *ac;
 569                 struct ath_atx_tid *tid;
 570                 if (len >= size)
 571                         goto done;
 572                 spin_lock_bh(&txq->axq_lock);
 573                 if (!list_empty(&txq->axq_acq)) {
 574                         ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
 575                                               list);
 576                         len += snprintf(buf + len, size - len,
 577                                         "txq[%i] first-ac: %p sched: %i\n",
 578                                         i, ac, ac->sched);
 579                         if (list_empty(&ac->tid_q) || (len >= size))
 580                                 goto done_for;
 581                         tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
 582                                                list);
 583                         len += snprintf(buf + len, size - len,
 584                                         " first-tid: %p sched: %i paused: %i\n",
 585                                         tid, tid->sched, tid->paused);
 586                 }
 587         done_for:
 588                 spin_unlock_bh(&txq->axq_lock);
 589         }
 590
 591 done:
 592         if (len > size)
 593                 len = size;
 594
 595         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 596         kfree(buf);
 597
 598         return retval;
 599 }
 600
 601 static ssize_t read_file_stations(struct file *file, char __user *user_buf,
 602                                   size_t count, loff_t *ppos)
 603 {
 604         struct ath_softc *sc = file->private_data;
 605         char *buf;
 606         unsigned int len = 0, size = 64000;
 607         struct ath_node *an = NULL;
 608         ssize_t retval = 0;
 609         int q;
 610
 611         buf = kzalloc(size, GFP_KERNEL);
 612         if (buf == NULL)
 613                 return -ENOMEM;
 614
 615         len += snprintf(buf + len, size - len,
 616                         "Stations:\n"
 617                         " tid: addr sched paused buf_q-empty an ac baw\n"
 618                         " ac: addr sched tid_q-empty txq\n");
 619
 620         spin_lock(&sc->nodes_lock);
 621         list_for_each_entry(an, &sc->nodes, list) {
 622                 unsigned short ma = an->maxampdu;
 623                 if (ma == 0)
 624                         ma = 65535; /* see ath_lookup_rate */
 625                 len += snprintf(buf + len, size - len,
 626                                 "iface: %pM  sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
 627                                 an->vif->addr, an->sta->addr, ma,
 628                                 (unsigned int)(an->mpdudensity));
 629                 if (len >= size)
 630                         goto done;
 631
 632                 for (q = 0; q < WME_NUM_TID; q++) {
 633                         struct ath_atx_tid *tid = &(an->tid[q]);
 634                         len += snprintf(buf + len, size - len,
 635                                         " tid: %p %s %s %i %p %p %hu\n",
 636                                         tid, tid->sched ? "sched" : "idle",
 637                                         tid->paused ? "paused" : "running",
 638                                         skb_queue_empty(&tid->buf_q),
 639                                         tid->an, tid->ac, tid->baw_size);
 640                         if (len >= size)
 641                                 goto done;
 642                 }
 643
 644                 for (q = 0; q < WME_NUM_AC; q++) {
 645                         struct ath_atx_ac *ac = &(an->ac[q]);
 646                         len += snprintf(buf + len, size - len,
 647                                         " ac: %p %s %i %p\n",
 648                                         ac, ac->sched ? "sched" : "idle",
 649                                         list_empty(&ac->tid_q), ac->txq);
 650                         if (len >= size)
 651                                 goto done;
 652                 }
 653         }
 654
 655 done:
 656         spin_unlock(&sc->nodes_lock);
 657         if (len > size)
 658                 len = size;
 659
 660         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 661         kfree(buf);
 662
 663         return retval;
 664 }
 665
 666 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 667                               size_t count, loff_t *ppos)
 668 {
 669         struct ath_softc *sc = file->private_data;
 670         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 671         struct ieee80211_hw *hw = sc->hw;
 672         struct ath9k_vif_iter_data iter_data;
 673         char buf[512];
 674         unsigned int len = 0;
 675         ssize_t retval = 0;
 676         unsigned int reg;
 677         u32 rxfilter;
 678
 679         len += snprintf(buf + len, sizeof(buf) - len,
 680                         "BSSID: %pM\n", common->curbssid);
 681         len += snprintf(buf + len, sizeof(buf) - len,
 682                         "BSSID-MASK: %pM\n", common->bssidmask);
 683         len += snprintf(buf + len, sizeof(buf) - len,
 684                         "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 685
 686         ath9k_ps_wakeup(sc);
 687         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 688         ath9k_ps_restore(sc);
 689
 690         len += snprintf(buf + len, sizeof(buf) - len,
 691                         "RXFILTER: 0x%x", rxfilter);
 692
 693         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 694                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 695         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 696                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 697         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 698                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 699         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 700                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 701         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 702                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 703         if (rxfilter & ATH9K_RX_FILTER_PROM)
 704                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 705         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 706                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 707         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 708                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 709         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 710                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 711         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 712                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 713         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 714                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 715         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 716                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 717         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 718                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 719         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 720                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 721
 722         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 723
 724         reg = sc->sc_ah->imask;
 725
 726         len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
 727
 728         if (reg & ATH9K_INT_SWBA)
 729                 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 730         if (reg & ATH9K_INT_BMISS)
 731                 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 732         if (reg & ATH9K_INT_CST)
 733                 len += snprintf(buf + len, sizeof(buf) - len, " CST");
 734         if (reg & ATH9K_INT_RX)
 735                 len += snprintf(buf + len, sizeof(buf) - len, " RX");
 736         if (reg & ATH9K_INT_RXHP)
 737                 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 738         if (reg & ATH9K_INT_RXLP)
 739                 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 740         if (reg & ATH9K_INT_BB_WATCHDOG)
 741                 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 742
 743         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 744
 745         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 746
 747         len += snprintf(buf + len, sizeof(buf) - len,
 748                         "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 749                         " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 750                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 751                         iter_data.nwds, iter_data.nadhocs,
 752                         sc->nvifs, sc->nbcnvifs);
 753
 754         if (len > sizeof(buf))
 755                 len = sizeof(buf);
 756
 757         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 758         return retval;
 759 }
 760
 761 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 762                                size_t count, loff_t *ppos)
 763 {
 764         struct ath_softc *sc = file->private_data;
 765         char buf[512];
 766         unsigned int len = 0;
 767
 768         len += snprintf(buf + len, sizeof(buf) - len,
 769                         "%17s: %2d\n", "Baseband Hang",
 770                         sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 771         len += snprintf(buf + len, sizeof(buf) - len,
 772                         "%17s: %2d\n", "Baseband Watchdog",
 773                         sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 774         len += snprintf(buf + len, sizeof(buf) - len,
 775                         "%17s: %2d\n", "Fatal HW Error",
 776                         sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 777         len += snprintf(buf + len, sizeof(buf) - len,
 778                         "%17s: %2d\n", "TX HW error",
 779                         sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 780         len += snprintf(buf + len, sizeof(buf) - len,
 781                         "%17s: %2d\n", "TX Path Hang",
 782                         sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 783         len += snprintf(buf + len, sizeof(buf) - len,
 784                         "%17s: %2d\n", "PLL RX Hang",
 785                         sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 786
 787         if (len > sizeof(buf))
 788                 len = sizeof(buf);
 789
 790         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 791 }
 792
 793 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 794                        struct ath_tx_status *ts, struct ath_txq *txq,
 795                        unsigned int flags)
 796 {
 797 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
 798                         [sc->debug.tsidx].c)
 799         int qnum = txq->axq_qnum;
 800
 801         TX_STAT_INC(qnum, tx_pkts_all);
 802         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 803
 804         if (bf_isampdu(bf)) {
 805                 if (flags & ATH_TX_ERROR)
 806                         TX_STAT_INC(qnum, a_xretries);
 807                 else
 808                         TX_STAT_INC(qnum, a_completed);
 809         } else {
 810                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 811                         TX_STAT_INC(qnum, xretries);
 812                 else
 813                         TX_STAT_INC(qnum, completed);
 814         }
 815
 816         if (ts->ts_status & ATH9K_TXERR_FIFO)
 817                 TX_STAT_INC(qnum, fifo_underrun);
 818         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 819                 TX_STAT_INC(qnum, xtxop);
 820         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 821                 TX_STAT_INC(qnum, timer_exp);
 822         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 823                 TX_STAT_INC(qnum, desc_cfg_err);
 824         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 825                 TX_STAT_INC(qnum, data_underrun);
 826         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 827                 TX_STAT_INC(qnum, delim_underrun);
 828
 829 #ifdef CONFIG_ATH9K_MAC_DEBUG
 830         spin_lock(&sc->debug.samp_lock);
 831         TX_SAMP_DBG(jiffies) = jiffies;
 832         TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
 833         TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
 834         TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
 835         TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
 836         TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
 837         TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
 838         TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
 839         TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
 840         TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
 841         TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
 842         TX_SAMP_DBG(rssi) = ts->ts_rssi;
 843         TX_SAMP_DBG(tid) = ts->tid;
 844         TX_SAMP_DBG(qid) = ts->qid;
 845
 846         if (ts->ts_flags & ATH9K_TX_BA) {
 847                 TX_SAMP_DBG(ba_low) = ts->ba_low;
 848                 TX_SAMP_DBG(ba_high) = ts->ba_high;
 849         } else {
 850                 TX_SAMP_DBG(ba_low) = 0;
 851                 TX_SAMP_DBG(ba_high) = 0;
 852         }
 853
 854         sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
 855         spin_unlock(&sc->debug.samp_lock);
 856 #endif
 857
 858 #undef TX_SAMP_DBG
 859 }
 860
 861 static const struct file_operations fops_xmit = {
 862         .read = read_file_xmit,
 863         .open = simple_open,
 864         .owner = THIS_MODULE,
 865         .llseek = default_llseek,
 866 };
 867
 868 static const struct file_operations fops_stations = {
 869         .read = read_file_stations,
 870         .open = simple_open,
 871         .owner = THIS_MODULE,
 872         .llseek = default_llseek,
 873 };
 874
 875 static const struct file_operations fops_misc = {
 876         .read = read_file_misc,
 877         .open = simple_open,
 878         .owner = THIS_MODULE,
 879         .llseek = default_llseek,
 880 };
 881
 882 static const struct file_operations fops_reset = {
 883         .read = read_file_reset,
 884         .open = simple_open,
 885         .owner = THIS_MODULE,
 886         .llseek = default_llseek,
 887 };
 888
 889 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 890                               size_t count, loff_t *ppos)
 891 {
 892 #define PHY_ERR(s, p) \
 893         len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 894                         sc->debug.stats.rxstats.phy_err_stats[p]);
 895
 896 #define RXS_ERR(s, e)                                       \
 897         do {                                                \
 898                 len += snprintf(buf + len, size - len,      \
 899                                 "%22s : %10u\n", s,         \
 900                                 sc->debug.stats.rxstats.e); \
 901         } while (0)
 902
 903         struct ath_softc *sc = file->private_data;
 904         char *buf;
 905         unsigned int len = 0, size = 1600;
 906         ssize_t retval = 0;
 907
 908         buf = kzalloc(size, GFP_KERNEL);
 909         if (buf == NULL)
 910                 return -ENOMEM;
 911
 912         RXS_ERR("CRC ERR", crc_err);
 913         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 914         RXS_ERR("PHY ERR", phy_err);
 915         RXS_ERR("MIC ERR", mic_err);
 916         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 917         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 918         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 919         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 920         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 921         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 922         RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
 923         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 924
 925         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 926         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 927         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 928         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 929         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 930         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 931         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 932         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 933         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 934         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 935         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 936         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 937         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 938         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 939         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 940         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 941         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 942         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 943         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 944         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 945         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 946         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 947         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 948         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 949         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 950         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 951
 952         RXS_ERR("RX-Pkts-All", rx_pkts_all);
 953         RXS_ERR("RX-Bytes-All", rx_bytes_all);
 954         RXS_ERR("RX-Beacons", rx_beacons);
 955         RXS_ERR("RX-Frags", rx_frags);
 956
 957         if (len > size)
 958                 len = size;
 959
 960         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 961         kfree(buf);
 962
 963         return retval;
 964
 965 #undef RXS_ERR
 966 #undef PHY_ERR
 967 }
 968
 969 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 970 {
 971 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 972 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
 973                         [sc->debug.rsidx].c)
 974
 975         RX_STAT_INC(rx_pkts_all);
 976         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 977
 978         if (rs->rs_status & ATH9K_RXERR_CRC)
 979                 RX_STAT_INC(crc_err);
 980         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 981                 RX_STAT_INC(decrypt_crc_err);
 982         if (rs->rs_status & ATH9K_RXERR_MIC)
 983                 RX_STAT_INC(mic_err);
 984         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 985                 RX_STAT_INC(pre_delim_crc_err);
 986         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 987                 RX_STAT_INC(post_delim_crc_err);
 988         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 989                 RX_STAT_INC(decrypt_busy_err);
 990
 991         if (rs->rs_status & ATH9K_RXERR_PHY) {
 992                 RX_STAT_INC(phy_err);
 993                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
 994                         RX_PHY_ERR_INC(rs->rs_phyerr);
 995         }
 996
 997 #ifdef CONFIG_ATH9K_MAC_DEBUG
 998         spin_lock(&sc->debug.samp_lock);
 999         RX_SAMP_DBG(jiffies) = jiffies;
1000         RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
1001         RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
1002         RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
1003         RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
1004         RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
1005         RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
1006         RX_SAMP_DBG(antenna) = rs->rs_antenna;
1007         RX_SAMP_DBG(rssi) = rs->rs_rssi;
1008         RX_SAMP_DBG(rate) = rs->rs_rate;
1009         RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
1010
1011         sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
1012         spin_unlock(&sc->debug.samp_lock);
1013
1014 #endif
1015
1016 #undef RX_PHY_ERR_INC
1017 #undef RX_SAMP_DBG
1018 }
1019
1020 static const struct file_operations fops_recv = {
1021         .read = read_file_recv,
1022         .open = simple_open,
1023         .owner = THIS_MODULE,
1024         .llseek = default_llseek,
1025 };
1026
1027 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1028                                 size_t count, loff_t *ppos)
1029 {
1030         struct ath_softc *sc = file->private_data;
1031         char buf[32];
1032         unsigned int len;
1033
1034         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1035         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1036 }
1037
1038 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1039                              size_t count, loff_t *ppos)
1040 {
1041         struct ath_softc *sc = file->private_data;
1042         unsigned long regidx;
1043         char buf[32];
1044         ssize_t len;
1045
1046         len = min(count, sizeof(buf) - 1);
1047         if (copy_from_user(buf, user_buf, len))
1048                 return -EFAULT;
1049
1050         buf[len] = '\0';
1051         if (strict_strtoul(buf, 0, &regidx))
1052                 return -EINVAL;
1053
1054         sc->debug.regidx = regidx;
1055         return count;
1056 }
1057
1058 static const struct file_operations fops_regidx = {
1059         .read = read_file_regidx,
1060         .write = write_file_regidx,
1061         .open = simple_open,
1062         .owner = THIS_MODULE,
1063         .llseek = default_llseek,
1064 };
1065
1066 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1067                              size_t count, loff_t *ppos)
1068 {
1069         struct ath_softc *sc = file->private_data;
1070         struct ath_hw *ah = sc->sc_ah;
1071         char buf[32];
1072         unsigned int len;
1073         u32 regval;
1074
1075         ath9k_ps_wakeup(sc);
1076         regval = REG_READ_D(ah, sc->debug.regidx);
1077         ath9k_ps_restore(sc);
1078         len = sprintf(buf, "0x%08x\n", regval);
1079         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1080 }
1081
1082 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1083                              size_t count, loff_t *ppos)
1084 {
1085         struct ath_softc *sc = file->private_data;
1086         struct ath_hw *ah = sc->sc_ah;
1087         unsigned long regval;
1088         char buf[32];
1089         ssize_t len;
1090
1091         len = min(count, sizeof(buf) - 1);
1092         if (copy_from_user(buf, user_buf, len))
1093                 return -EFAULT;
1094
1095         buf[len] = '\0';
1096         if (strict_strtoul(buf, 0, &regval))
1097                 return -EINVAL;
1098
1099         ath9k_ps_wakeup(sc);
1100         REG_WRITE_D(ah, sc->debug.regidx, regval);
1101         ath9k_ps_restore(sc);
1102         return count;
1103 }
1104
1105 static const struct file_operations fops_regval = {
1106         .read = read_file_regval,
1107         .write = write_file_regval,
1108         .open = simple_open,
1109         .owner = THIS_MODULE,
1110         .llseek = default_llseek,
1111 };
1112
1113 #define REGDUMP_LINE_SIZE       20
1114
1115 static int open_file_regdump(struct inode *inode, struct file *file)
1116 {
1117         struct ath_softc *sc = inode->i_private;
1118         unsigned int len = 0;
1119         u8 *buf;
1120         int i;
1121         unsigned long num_regs, regdump_len, max_reg_offset;
1122
1123         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1124         num_regs = max_reg_offset / 4 + 1;
1125         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1126         buf = vmalloc(regdump_len);
1127         if (!buf)
1128                 return -ENOMEM;
1129
1130         ath9k_ps_wakeup(sc);
1131         for (i = 0; i < num_regs; i++)
1132                 len += scnprintf(buf + len, regdump_len - len,
1133                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1134         ath9k_ps_restore(sc);
1135
1136         file->private_data = buf;
1137
1138         return 0;
1139 }
1140
1141 static const struct file_operations fops_regdump = {
1142         .open = open_file_regdump,
1143         .read = ath9k_debugfs_read_buf,
1144         .release = ath9k_debugfs_release_buf,
1145         .owner = THIS_MODULE,
1146         .llseek = default_llseek,/* read accesses f_pos */
1147 };
1148
1149 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1150                                     size_t count, loff_t *ppos)
1151 {
1152         struct ath_softc *sc = file->private_data;
1153         struct ath_hw *ah = sc->sc_ah;
1154         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1155         struct ath_common *common = ath9k_hw_common(ah);
1156         struct ieee80211_conf *conf = &common->hw->conf;
1157         u32 len = 0, size = 1500;
1158         u32 i, j;
1159         ssize_t retval = 0;
1160         char *buf;
1161         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1162         u8 nread;
1163
1164         buf = kzalloc(size, GFP_KERNEL);
1165         if (!buf)
1166                 return -ENOMEM;
1167
1168         len += snprintf(buf + len, size - len,
1169                         "Channel Noise Floor : %d\n", ah->noise);
1170         len += snprintf(buf + len, size - len,
1171                         "Chain | privNF | # Readings | NF Readings\n");
1172         for (i = 0; i < NUM_NF_READINGS; i++) {
1173                 if (!(chainmask & (1 << i)) ||
1174                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1175                         continue;
1176
1177                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1178                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1179                                 i, h[i].privNF, nread);
1180                 for (j = 0; j < nread; j++)
1181                         len += snprintf(buf + len, size - len,
1182                                         " %d", h[i].nfCalBuffer[j]);
1183                 len += snprintf(buf + len, size - len, "\n");
1184         }
1185
1186         if (len > size)
1187                 len = size;
1188
1189         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1190         kfree(buf);
1191
1192         return retval;
1193 }
1194
1195 static const struct file_operations fops_dump_nfcal = {
1196         .read = read_file_dump_nfcal,
1197         .open = simple_open,
1198         .owner = THIS_MODULE,
1199         .llseek = default_llseek,
1200 };
1201
1202 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1203                                      size_t count, loff_t *ppos)
1204 {
1205         struct ath_softc *sc = file->private_data;
1206         struct ath_hw *ah = sc->sc_ah;
1207         u32 len = 0, size = 1500;
1208         ssize_t retval = 0;
1209         char *buf;
1210
1211         buf = kzalloc(size, GFP_KERNEL);
1212         if (!buf)
1213                 return -ENOMEM;
1214
1215         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1216
1217         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1218         kfree(buf);
1219
1220         return retval;
1221 }
1222
1223 static const struct file_operations fops_base_eeprom = {
1224         .read = read_file_base_eeprom,
1225         .open = simple_open,
1226         .owner = THIS_MODULE,
1227         .llseek = default_llseek,
1228 };
1229
1230 static ssize_t read_file_modal_eeprom(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         u32 len = 0, size = 6000;
1236         char *buf;
1237         size_t retval;
1238
1239         buf = kzalloc(size, GFP_KERNEL);
1240         if (buf == NULL)
1241                 return -ENOMEM;
1242
1243         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1244
1245         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1246         kfree(buf);
1247
1248         return retval;
1249 }
1250
1251 static const struct file_operations fops_modal_eeprom = {
1252         .read = read_file_modal_eeprom,
1253         .open = simple_open,
1254         .owner = THIS_MODULE,
1255         .llseek = default_llseek,
1256 };
1257
1258 #ifdef CONFIG_ATH9K_MAC_DEBUG
1259
1260 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
1261 {
1262 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
1263         struct ath_hw *ah = sc->sc_ah;
1264         struct ath_common *common = ath9k_hw_common(ah);
1265         unsigned long flags;
1266         int i;
1267
1268         ath9k_ps_wakeup(sc);
1269
1270         spin_lock_bh(&sc->debug.samp_lock);
1271
1272         spin_lock_irqsave(&common->cc_lock, flags);
1273         ath_hw_cycle_counters_update(common);
1274
1275         ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
1276         ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
1277         ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
1278         ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
1279         spin_unlock_irqrestore(&common->cc_lock, flags);
1280
1281         ATH_SAMP_DBG(noise) = ah->noise;
1282
1283         REG_WRITE_D(ah, AR_MACMISC,
1284                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
1285                    (AR_MACMISC_MISC_OBS_BUS_1 <<
1286                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
1287
1288         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1289                 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
1290                                 AR_DMADBG_0 + (i * sizeof(u32)));
1291
1292         ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
1293         ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
1294
1295         memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
1296                         sizeof(ATH_SAMP_DBG(nfCalHist)));
1297
1298         sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
1299         spin_unlock_bh(&sc->debug.samp_lock);
1300         ath9k_ps_restore(sc);
1301
1302 #undef ATH_SAMP_DBG
1303 }
1304
1305 static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
1306 {
1307 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
1308         struct ath_softc *sc = inode->i_private;
1309         struct ath_hw *ah = sc->sc_ah;
1310         struct ath_common *common = ath9k_hw_common(ah);
1311         struct ieee80211_conf *conf = &common->hw->conf;
1312         struct ath_dbg_bb_mac_samp *bb_mac_samp;
1313         struct ath9k_nfcal_hist *h;
1314         int i, j, qcuOffset = 0, dcuOffset = 0;
1315         u32 *qcuBase, *dcuBase, size = 30000, len = 0;
1316         u32 sampidx = 0;
1317         u8 *buf;
1318         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1319         u8 nread;
1320
1321         if (test_bit(SC_OP_INVALID, &sc->sc_flags))
1322                 return -EAGAIN;
1323
1324         buf = vmalloc(size);
1325         if (!buf)
1326                 return -ENOMEM;
1327         bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1328         if (!bb_mac_samp) {
1329                 vfree(buf);
1330                 return -ENOMEM;
1331         }
1332         /* Account the current state too */
1333         ath9k_debug_samp_bb_mac(sc);
1334
1335         spin_lock_bh(&sc->debug.samp_lock);
1336         memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
1337                         sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
1338         len += snprintf(buf + len, size - len,
1339                         "Current Sample Index: %d\n", sc->debug.sampidx);
1340         spin_unlock_bh(&sc->debug.samp_lock);
1341
1342         len += snprintf(buf + len, size - len,
1343                         "Raw DMA Debug Dump:\n");
1344         len += snprintf(buf + len, size - len, "Sample |\t");
1345         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1346                 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
1347         len += snprintf(buf + len, size - len, "\n");
1348
1349         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1350                 len += snprintf(buf + len, size - len, "%d\t", sampidx);
1351
1352                 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
1353                         len += snprintf(buf + len, size - len, " %08x\t",
1354                                         ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
1355                 len += snprintf(buf + len, size - len, "\n");
1356         }
1357         len += snprintf(buf + len, size - len, "\n");
1358
1359         len += snprintf(buf + len, size - len,
1360                         "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
1361         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1362                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1363                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1364
1365                 for (i = 0; i < ATH9K_NUM_QUEUES; i++,
1366                                 qcuOffset += 4, dcuOffset += 5) {
1367                         if (i == 8) {
1368                                 qcuOffset = 0;
1369                                 qcuBase++;
1370                         }
1371
1372                         if (i == 6) {
1373                                 dcuOffset = 0;
1374                                 dcuBase++;
1375                         }
1376                         if (!sc->debug.stats.txstats[i].queued)
1377                                 continue;
1378
1379                         len += snprintf(buf + len, size - len,
1380                                 "%4d %7d    %2x      %1x     %2x         %2x\n",
1381                                 sampidx, i,
1382                                 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
1383                                 (*qcuBase & (0x8 << qcuOffset)) >>
1384                                 (qcuOffset + 3),
1385                                 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
1386                                 (0x7 << (i * 3)) >> (i * 3),
1387                                 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
1388                 }
1389                 len += snprintf(buf + len, size - len, "\n");
1390         }
1391         len += snprintf(buf + len, size - len,
1392                         "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
1393                         "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
1394                         "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
1395
1396         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1397                 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
1398                 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
1399
1400                 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
1401                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
1402                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
1403                 len += snprintf(buf + len, size - len, "%7x %8x ",
1404                         (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
1405                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
1406                 len += snprintf(buf + len, size - len, "%7x %7x ",
1407                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
1408                         (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
1409                 len += snprintf(buf + len, size - len, "%7d %12d ",
1410                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
1411                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
1412                 len += snprintf(buf + len, size - len, "%12d %12d ",
1413                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
1414                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
1415                 len += snprintf(buf + len, size - len, "%12d %12d ",
1416                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
1417                         (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
1418                 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
1419                                 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
1420         }
1421
1422         len += snprintf(buf + len, size - len,
1423                         "Sample ChNoise Chain privNF #Reading Readings\n");
1424         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1425                 h = ATH_SAMP_DBG(nfCalHist);
1426                 if (!ATH_SAMP_DBG(noise))
1427                         continue;
1428
1429                 for (i = 0; i < NUM_NF_READINGS; i++) {
1430                         if (!(chainmask & (1 << i)) ||
1431                             ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1432                                 continue;
1433
1434                         nread = AR_PHY_CCA_FILTERWINDOW_LENGTH -
1435                                 h[i].invalidNFcount;
1436                         len += snprintf(buf + len, size - len,
1437                                         "%4d %5d %4d\t   %d\t %d\t",
1438                                         sampidx, ATH_SAMP_DBG(noise),
1439                                         i, h[i].privNF, nread);
1440                         for (j = 0; j < nread; j++)
1441                                 len += snprintf(buf + len, size - len,
1442                                         " %d", h[i].nfCalBuffer[j]);
1443                         len += snprintf(buf + len, size - len, "\n");
1444                 }
1445         }
1446         len += snprintf(buf + len, size - len, "\nCycle counters:\n"
1447                         "Sample Total    Rxbusy   Rxframes Txframes\n");
1448         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1449                 if (!ATH_SAMP_DBG(cc.cycles))
1450                         continue;
1451                 len += snprintf(buf + len, size - len,
1452                                 "%4d %08x %08x %08x %08x\n",
1453                                 sampidx, ATH_SAMP_DBG(cc.cycles),
1454                                 ATH_SAMP_DBG(cc.rx_busy),
1455                                 ATH_SAMP_DBG(cc.rx_frame),
1456                                 ATH_SAMP_DBG(cc.tx_frame));
1457         }
1458
1459         len += snprintf(buf + len, size - len, "Tx status Dump :\n");
1460         len += snprintf(buf + len, size - len,
1461                         "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
1462                         "isok rts_fail data_fail rate tid qid "
1463                                         "ba_low  ba_high tx_before(ms)\n");
1464         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1465                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1466                         if (!ATH_SAMP_DBG(ts[i].jiffies))
1467                                 continue;
1468                         len += snprintf(buf + len, size - len, "%-14d"
1469                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
1470                                 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
1471                                 sampidx,
1472                                 ATH_SAMP_DBG(ts[i].rssi_ctl0),
1473                                 ATH_SAMP_DBG(ts[i].rssi_ctl1),
1474                                 ATH_SAMP_DBG(ts[i].rssi_ctl2),
1475                                 ATH_SAMP_DBG(ts[i].rssi_ext0),
1476                                 ATH_SAMP_DBG(ts[i].rssi_ext1),
1477                                 ATH_SAMP_DBG(ts[i].rssi_ext2),
1478                                 ATH_SAMP_DBG(ts[i].rssi),
1479                                 ATH_SAMP_DBG(ts[i].isok),
1480                                 ATH_SAMP_DBG(ts[i].rts_fail_cnt),
1481                                 ATH_SAMP_DBG(ts[i].data_fail_cnt),
1482                                 ATH_SAMP_DBG(ts[i].rateindex),
1483                                 ATH_SAMP_DBG(ts[i].tid),
1484                                 ATH_SAMP_DBG(ts[i].qid),
1485                                 ATH_SAMP_DBG(ts[i].ba_low),
1486                                 ATH_SAMP_DBG(ts[i].ba_high),
1487                                 jiffies_to_msecs(jiffies -
1488                                         ATH_SAMP_DBG(ts[i].jiffies)));
1489                 }
1490         }
1491
1492         len += snprintf(buf + len, size - len, "Rx status Dump :\n");
1493         len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
1494                         "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
1495         for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
1496                 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
1497                         if (!ATH_SAMP_DBG(rs[i].jiffies))
1498                                 continue;
1499                         len += snprintf(buf + len, size - len, "%-14d"
1500                                 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
1501                                 sampidx,
1502                                 ATH_SAMP_DBG(rs[i].rssi_ctl0),
1503                                 ATH_SAMP_DBG(rs[i].rssi_ctl1),
1504                                 ATH_SAMP_DBG(rs[i].rssi_ctl2),
1505                                 ATH_SAMP_DBG(rs[i].rssi_ext0),
1506                                 ATH_SAMP_DBG(rs[i].rssi_ext1),
1507                                 ATH_SAMP_DBG(rs[i].rssi_ext2),
1508                                 ATH_SAMP_DBG(rs[i].rssi),
1509                                 ATH_SAMP_DBG(rs[i].is_mybeacon) ?
1510                                 "True" : "False",
1511                                 ATH_SAMP_DBG(rs[i].antenna),
1512                                 ATH_SAMP_DBG(rs[i].rate),
1513                                 jiffies_to_msecs(jiffies -
1514                                         ATH_SAMP_DBG(rs[i].jiffies)));
1515                 }
1516         }
1517
1518         vfree(bb_mac_samp);
1519         file->private_data = buf;
1520
1521         return 0;
1522 #undef ATH_SAMP_DBG
1523 }
1524
1525 static const struct file_operations fops_samps = {
1526         .open = open_file_bb_mac_samps,
1527         .read = ath9k_debugfs_read_buf,
1528         .release = ath9k_debugfs_release_buf,
1529         .owner = THIS_MODULE,
1530         .llseek = default_llseek,
1531 };
1532
1533 #endif
1534
1535 int ath9k_init_debug(struct ath_hw *ah)
1536 {
1537         struct ath_common *common = ath9k_hw_common(ah);
1538         struct ath_softc *sc = (struct ath_softc *) common->priv;
1539
1540         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1541                                                    sc->hw->wiphy->debugfsdir);
1542         if (!sc->debug.debugfs_phy)
1543                 return -ENOMEM;
1544
1545 #ifdef CONFIG_ATH_DEBUG
1546         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1547                             sc, &fops_debug);
1548 #endif
1549
1550         ath9k_dfs_init_debug(sc);
1551
1552         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1553                             &fops_dma);
1554         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1555                             &fops_interrupt);
1556         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1557                             &fops_xmit);
1558         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1559                            &sc->tx.txq_max_pending[WME_AC_BK]);
1560         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1561                            &sc->tx.txq_max_pending[WME_AC_BE]);
1562         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1563                            &sc->tx.txq_max_pending[WME_AC_VI]);
1564         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1565                            &sc->tx.txq_max_pending[WME_AC_VO]);
1566         debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1567                             &fops_stations);
1568         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1569                             &fops_misc);
1570         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1571                             &fops_reset);
1572         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1573                             &fops_recv);
1574         debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1575                             sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1576         debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1577                             sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1578         debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1579                             sc->debug.debugfs_phy, sc, &fops_disable_ani);
1580         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1581                             sc, &fops_regidx);
1582         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1583                             sc, &fops_regval);
1584         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1585                             sc->debug.debugfs_phy,
1586                             &ah->config.cwm_ignore_extcca);
1587         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1588                             &fops_regdump);
1589         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1590                             &fops_dump_nfcal);
1591         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1592                             &fops_base_eeprom);
1593         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1594                             &fops_modal_eeprom);
1595 #ifdef CONFIG_ATH9K_MAC_DEBUG
1596         debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1597                             &fops_samps);
1598 #endif
1599
1600         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1601                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1602
1603         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1604                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1605
1606         return 0;
1607 }