linux/drivers/net/wireless/ath/ath9k/debug.c
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   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
  29static int ath9k_debugfs_open(struct inode *inode, struct file *file)
  30{
  31        file->private_data = inode->i_private;
  32        return 0;
  33}
  34
  35static 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
  42static 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
  50static 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
  62static 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
  83static 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
  95static 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
 107static 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
 129static 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
 138static 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
 150static 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
 172static 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
 180static 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
 192static 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
 223static 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
 231static 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
 325static 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
 333void 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
 384static 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
 447static 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
 454static 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
 470static 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
 550static 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)                                                  \
 571do {                                                                    \
 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)                                                \
 583do {                                                                    \
 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
 594static 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
 686done:
 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
 696static 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
 750done:
 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
 761static 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
 847void 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_ERROR)
 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
 913static 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
 920static 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
 927static 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
 934static 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
1045void 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
1107static 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
1114static 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
1125static 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
1145static 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
1153static 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
1169static 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
1192static 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
1202static 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
1228static 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
1236static 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
1282static 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
1289static 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
1310static 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
1317static 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
1338static 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
1345void 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
1390static 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
1610static 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
1619int 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
1634        ath9k_dfs_init_debug(sc);
1635
1636        debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1637                            &fops_dma);
1638        debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1639                            &fops_interrupt);
1640        debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1641                            sc, &fops_wiphy);
1642        debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1643                            &fops_xmit);
1644        debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
1645                            &fops_stations);
1646        debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1647                            &fops_misc);
1648        debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1649                            &fops_recv);
1650        debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
1651                            sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
1652        debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
1653                            sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
1654        debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
1655                            sc->debug.debugfs_phy, sc, &fops_disable_ani);
1656        debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1657                            sc, &fops_regidx);
1658        debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1659                            sc, &fops_regval);
1660        debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1661                            sc->debug.debugfs_phy,
1662                            &ah->config.cwm_ignore_extcca);
1663        debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1664                            &fops_regdump);
1665        debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1666                            &fops_dump_nfcal);
1667        debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1668                            &fops_base_eeprom);
1669        debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1670                            &fops_modal_eeprom);
1671        debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
1672                            &fops_samps);
1673
1674        debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1675                           sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1676
1677        debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1678                           sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1679
1680        sc->debug.regidx = 0;
1681        memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
1682        sc->debug.sampidx = 0;
1683        sc->debug.tsidx = 0;
1684        sc->debug.rsidx = 0;
1685        return 0;
1686}
1687