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 <linux/relay.h>
  21#include <asm/unaligned.h>
  22
  23#include "ath9k.h"
  24
  25#define REG_WRITE_D(_ah, _reg, _val) \
  26        ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  27#define REG_READ_D(_ah, _reg) \
  28        ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  29
  30
  31static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  32                                      size_t count, loff_t *ppos)
  33{
  34        u8 *buf = file->private_data;
  35        return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  36}
  37
  38static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  39{
  40        vfree(file->private_data);
  41        return 0;
  42}
  43
  44#ifdef CONFIG_ATH_DEBUG
  45
  46static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  47                             size_t count, loff_t *ppos)
  48{
  49        struct ath_softc *sc = file->private_data;
  50        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  51        char buf[32];
  52        unsigned int len;
  53
  54        len = sprintf(buf, "0x%08x\n", common->debug_mask);
  55        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  56}
  57
  58static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  59                             size_t count, loff_t *ppos)
  60{
  61        struct ath_softc *sc = file->private_data;
  62        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  63        unsigned long mask;
  64        char buf[32];
  65        ssize_t len;
  66
  67        len = min(count, sizeof(buf) - 1);
  68        if (copy_from_user(buf, user_buf, len))
  69                return -EFAULT;
  70
  71        buf[len] = '\0';
  72        if (kstrtoul(buf, 0, &mask))
  73                return -EINVAL;
  74
  75        common->debug_mask = mask;
  76        return count;
  77}
  78
  79static const struct file_operations fops_debug = {
  80        .read = read_file_debug,
  81        .write = write_file_debug,
  82        .open = simple_open,
  83        .owner = THIS_MODULE,
  84        .llseek = default_llseek,
  85};
  86
  87#endif
  88
  89#define DMA_BUF_LEN 1024
  90
  91
  92static ssize_t read_file_ani(struct file *file, char __user *user_buf,
  93                             size_t count, loff_t *ppos)
  94{
  95        struct ath_softc *sc = file->private_data;
  96        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  97        struct ath_hw *ah = sc->sc_ah;
  98        unsigned int len = 0, size = 1024;
  99        ssize_t retval = 0;
 100        char *buf;
 101
 102        buf = kzalloc(size, GFP_KERNEL);
 103        if (buf == NULL)
 104                return -ENOMEM;
 105
 106        if (common->disable_ani) {
 107                len += snprintf(buf + len, size - len, "%s: %s\n",
 108                                "ANI", "DISABLED");
 109                goto exit;
 110        }
 111
 112        len += snprintf(buf + len, size - len, "%15s: %s\n",
 113                        "ANI", "ENABLED");
 114        len += snprintf(buf + len, size - len, "%15s: %u\n",
 115                        "ANI RESET", ah->stats.ast_ani_reset);
 116        len += snprintf(buf + len, size - len, "%15s: %u\n",
 117                        "SPUR UP", ah->stats.ast_ani_spurup);
 118        len += snprintf(buf + len, size - len, "%15s: %u\n",
 119                        "SPUR DOWN", ah->stats.ast_ani_spurup);
 120        len += snprintf(buf + len, size - len, "%15s: %u\n",
 121                        "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
 122        len += snprintf(buf + len, size - len, "%15s: %u\n",
 123                        "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
 124        len += snprintf(buf + len, size - len, "%15s: %u\n",
 125                        "MRC-CCK ON", ah->stats.ast_ani_ccklow);
 126        len += snprintf(buf + len, size - len, "%15s: %u\n",
 127                        "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
 128        len += snprintf(buf + len, size - len, "%15s: %u\n",
 129                        "FIR-STEP UP", ah->stats.ast_ani_stepup);
 130        len += snprintf(buf + len, size - len, "%15s: %u\n",
 131                        "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
 132        len += snprintf(buf + len, size - len, "%15s: %u\n",
 133                        "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
 134        len += snprintf(buf + len, size - len, "%15s: %u\n",
 135                        "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
 136        len += snprintf(buf + len, size - len, "%15s: %u\n",
 137                        "CCK ERRORS", ah->stats.ast_ani_cckerrs);
 138exit:
 139        if (len > size)
 140                len = size;
 141
 142        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 143        kfree(buf);
 144
 145        return retval;
 146}
 147
 148static ssize_t write_file_ani(struct file *file,
 149                              const char __user *user_buf,
 150                              size_t count, loff_t *ppos)
 151{
 152        struct ath_softc *sc = file->private_data;
 153        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 154        unsigned long ani;
 155        char buf[32];
 156        ssize_t len;
 157
 158        len = min(count, sizeof(buf) - 1);
 159        if (copy_from_user(buf, user_buf, len))
 160                return -EFAULT;
 161
 162        buf[len] = '\0';
 163        if (kstrtoul(buf, 0, &ani))
 164                return -EINVAL;
 165
 166        if (ani < 0 || ani > 1)
 167                return -EINVAL;
 168
 169        common->disable_ani = !ani;
 170
 171        if (common->disable_ani) {
 172                clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 173                ath_stop_ani(sc);
 174        } else {
 175                ath_check_ani(sc);
 176        }
 177
 178        return count;
 179}
 180
 181static const struct file_operations fops_ani = {
 182        .read = read_file_ani,
 183        .write = write_file_ani,
 184        .open = simple_open,
 185        .owner = THIS_MODULE,
 186        .llseek = default_llseek,
 187};
 188
 189#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 190
 191static ssize_t read_file_bt_ant_diversity(struct file *file,
 192                                          char __user *user_buf,
 193                                          size_t count, loff_t *ppos)
 194{
 195        struct ath_softc *sc = file->private_data;
 196        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 197        char buf[32];
 198        unsigned int len;
 199
 200        len = sprintf(buf, "%d\n", common->bt_ant_diversity);
 201        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 202}
 203
 204static ssize_t write_file_bt_ant_diversity(struct file *file,
 205                                           const char __user *user_buf,
 206                                           size_t count, loff_t *ppos)
 207{
 208        struct ath_softc *sc = file->private_data;
 209        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 210        struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
 211        unsigned long bt_ant_diversity;
 212        char buf[32];
 213        ssize_t len;
 214
 215        len = min(count, sizeof(buf) - 1);
 216        if (copy_from_user(buf, user_buf, len))
 217                return -EFAULT;
 218
 219        if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
 220                goto exit;
 221
 222        buf[len] = '\0';
 223        if (kstrtoul(buf, 0, &bt_ant_diversity))
 224                return -EINVAL;
 225
 226        common->bt_ant_diversity = !!bt_ant_diversity;
 227        ath9k_ps_wakeup(sc);
 228        ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
 229        ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
 230                common->bt_ant_diversity);
 231        ath9k_ps_restore(sc);
 232exit:
 233        return count;
 234}
 235
 236static const struct file_operations fops_bt_ant_diversity = {
 237        .read = read_file_bt_ant_diversity,
 238        .write = write_file_bt_ant_diversity,
 239        .open = simple_open,
 240        .owner = THIS_MODULE,
 241        .llseek = default_llseek,
 242};
 243
 244#endif
 245
 246void ath9k_debug_stat_ant(struct ath_softc *sc,
 247                          struct ath_hw_antcomb_conf *div_ant_conf,
 248                          int main_rssi_avg, int alt_rssi_avg)
 249{
 250        struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 251        struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 252
 253        as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
 254        as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
 255
 256        as_main->rssi_avg = main_rssi_avg;
 257        as_alt->rssi_avg = alt_rssi_avg;
 258}
 259
 260static ssize_t read_file_antenna_diversity(struct file *file,
 261                                           char __user *user_buf,
 262                                           size_t count, loff_t *ppos)
 263{
 264        struct ath_softc *sc = file->private_data;
 265        struct ath_hw *ah = sc->sc_ah;
 266        struct ath9k_hw_capabilities *pCap = &ah->caps;
 267        struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 268        struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 269        struct ath_hw_antcomb_conf div_ant_conf;
 270        unsigned int len = 0, size = 1024;
 271        ssize_t retval = 0;
 272        char *buf;
 273        char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
 274                                 "LNA2",
 275                                 "LNA1",
 276                                 "LNA1_PLUS_LNA2"};
 277
 278        buf = kzalloc(size, GFP_KERNEL);
 279        if (buf == NULL)
 280                return -ENOMEM;
 281
 282        if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
 283                len += snprintf(buf + len, size - len, "%s\n",
 284                                "Antenna Diversity Combining is disabled");
 285                goto exit;
 286        }
 287
 288        ath9k_ps_wakeup(sc);
 289        ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
 290        len += snprintf(buf + len, size - len, "Current MAIN config : %s\n",
 291                        lna_conf_str[div_ant_conf.main_lna_conf]);
 292        len += snprintf(buf + len, size - len, "Current ALT config  : %s\n",
 293                        lna_conf_str[div_ant_conf.alt_lna_conf]);
 294        len += snprintf(buf + len, size - len, "Average MAIN RSSI   : %d\n",
 295                        as_main->rssi_avg);
 296        len += snprintf(buf + len, size - len, "Average ALT RSSI    : %d\n\n",
 297                        as_alt->rssi_avg);
 298        ath9k_ps_restore(sc);
 299
 300        len += snprintf(buf + len, size - len, "Packet Receive Cnt:\n");
 301        len += snprintf(buf + len, size - len, "-------------------\n");
 302
 303        len += snprintf(buf + len, size - len, "%30s%15s\n",
 304                        "MAIN", "ALT");
 305        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 306                        "TOTAL COUNT",
 307                        as_main->recv_cnt,
 308                        as_alt->recv_cnt);
 309        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 310                        "LNA1",
 311                        as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
 312                        as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
 313        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 314                        "LNA2",
 315                        as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
 316                        as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
 317        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 318                        "LNA1 + LNA2",
 319                        as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 320                        as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 321        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 322                        "LNA1 - LNA2",
 323                        as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 324                        as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 325
 326        len += snprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
 327        len += snprintf(buf + len, size - len, "--------------------\n");
 328
 329        len += snprintf(buf + len, size - len, "%30s%15s\n",
 330                        "MAIN", "ALT");
 331        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 332                        "LNA1",
 333                        as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
 334                        as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
 335        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 336                        "LNA2",
 337                        as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
 338                        as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
 339        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 340                        "LNA1 + LNA2",
 341                        as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 342                        as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 343        len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 344                        "LNA1 - LNA2",
 345                        as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 346                        as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 347
 348exit:
 349        if (len > size)
 350                len = size;
 351
 352        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 353        kfree(buf);
 354
 355        return retval;
 356}
 357
 358static const struct file_operations fops_antenna_diversity = {
 359        .read = read_file_antenna_diversity,
 360        .open = simple_open,
 361        .owner = THIS_MODULE,
 362        .llseek = default_llseek,
 363};
 364
 365static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 366                             size_t count, loff_t *ppos)
 367{
 368        struct ath_softc *sc = file->private_data;
 369        struct ath_hw *ah = sc->sc_ah;
 370        char *buf;
 371        int retval;
 372        unsigned int len = 0;
 373        u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 374        int i, qcuOffset = 0, dcuOffset = 0;
 375        u32 *qcuBase = &val[0], *dcuBase = &val[4];
 376
 377        buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 378        if (!buf)
 379                return -ENOMEM;
 380
 381        ath9k_ps_wakeup(sc);
 382
 383        REG_WRITE_D(ah, AR_MACMISC,
 384                  ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 385                   (AR_MACMISC_MISC_OBS_BUS_1 <<
 386                    AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 387
 388        len += snprintf(buf + len, DMA_BUF_LEN - len,
 389                        "Raw DMA Debug values:\n");
 390
 391        for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 392                if (i % 4 == 0)
 393                        len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 394
 395                val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 396                len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 397                                i, val[i]);
 398        }
 399
 400        len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 401        len += snprintf(buf + len, DMA_BUF_LEN - len,
 402                        "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 403
 404        for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 405                if (i == 8) {
 406                        qcuOffset = 0;
 407                        qcuBase++;
 408                }
 409
 410                if (i == 6) {
 411                        dcuOffset = 0;
 412                        dcuBase++;
 413                }
 414
 415                len += snprintf(buf + len, DMA_BUF_LEN - len,
 416                        "%2d          %2x      %1x     %2x           %2x\n",
 417                        i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 418                        (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 419                        val[2] & (0x7 << (i * 3)) >> (i * 3),
 420                        (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 421        }
 422
 423        len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 424
 425        len += snprintf(buf + len, DMA_BUF_LEN - len,
 426                "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 427                (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 428        len += snprintf(buf + len, DMA_BUF_LEN - len,
 429                "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 430                (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 431        len += snprintf(buf + len, DMA_BUF_LEN - len,
 432                "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 433                (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 434        len += snprintf(buf + len, DMA_BUF_LEN - len,
 435                "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 436                (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 437        len += snprintf(buf + len, DMA_BUF_LEN - len,
 438                "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 439                (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 440        len += snprintf(buf + len, DMA_BUF_LEN - len,
 441                "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 442                (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 443
 444        len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 445                        REG_READ_D(ah, AR_OBS_BUS_1));
 446        len += snprintf(buf + len, DMA_BUF_LEN - len,
 447                        "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 448
 449        ath9k_ps_restore(sc);
 450
 451        if (len > DMA_BUF_LEN)
 452                len = DMA_BUF_LEN;
 453
 454        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 455        kfree(buf);
 456        return retval;
 457}
 458
 459static const struct file_operations fops_dma = {
 460        .read = read_file_dma,
 461        .open = simple_open,
 462        .owner = THIS_MODULE,
 463        .llseek = default_llseek,
 464};
 465
 466
 467void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 468{
 469        if (status)
 470                sc->debug.stats.istats.total++;
 471        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 472                if (status & ATH9K_INT_RXLP)
 473                        sc->debug.stats.istats.rxlp++;
 474                if (status & ATH9K_INT_RXHP)
 475                        sc->debug.stats.istats.rxhp++;
 476                if (status & ATH9K_INT_BB_WATCHDOG)
 477                        sc->debug.stats.istats.bb_watchdog++;
 478        } else {
 479                if (status & ATH9K_INT_RX)
 480                        sc->debug.stats.istats.rxok++;
 481        }
 482        if (status & ATH9K_INT_RXEOL)
 483                sc->debug.stats.istats.rxeol++;
 484        if (status & ATH9K_INT_RXORN)
 485                sc->debug.stats.istats.rxorn++;
 486        if (status & ATH9K_INT_TX)
 487                sc->debug.stats.istats.txok++;
 488        if (status & ATH9K_INT_TXURN)
 489                sc->debug.stats.istats.txurn++;
 490        if (status & ATH9K_INT_RXPHY)
 491                sc->debug.stats.istats.rxphyerr++;
 492        if (status & ATH9K_INT_RXKCM)
 493                sc->debug.stats.istats.rx_keycache_miss++;
 494        if (status & ATH9K_INT_SWBA)
 495                sc->debug.stats.istats.swba++;
 496        if (status & ATH9K_INT_BMISS)
 497                sc->debug.stats.istats.bmiss++;
 498        if (status & ATH9K_INT_BNR)
 499                sc->debug.stats.istats.bnr++;
 500        if (status & ATH9K_INT_CST)
 501                sc->debug.stats.istats.cst++;
 502        if (status & ATH9K_INT_GTT)
 503                sc->debug.stats.istats.gtt++;
 504        if (status & ATH9K_INT_TIM)
 505                sc->debug.stats.istats.tim++;
 506        if (status & ATH9K_INT_CABEND)
 507                sc->debug.stats.istats.cabend++;
 508        if (status & ATH9K_INT_DTIMSYNC)
 509                sc->debug.stats.istats.dtimsync++;
 510        if (status & ATH9K_INT_DTIM)
 511                sc->debug.stats.istats.dtim++;
 512        if (status & ATH9K_INT_TSFOOR)
 513                sc->debug.stats.istats.tsfoor++;
 514        if (status & ATH9K_INT_MCI)
 515                sc->debug.stats.istats.mci++;
 516        if (status & ATH9K_INT_GENTIMER)
 517                sc->debug.stats.istats.gen_timer++;
 518}
 519
 520static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 521                                   size_t count, loff_t *ppos)
 522{
 523        struct ath_softc *sc = file->private_data;
 524        unsigned int len = 0;
 525        int rv;
 526        int mxlen = 4000;
 527        char *buf = kmalloc(mxlen, GFP_KERNEL);
 528        if (!buf)
 529                return -ENOMEM;
 530
 531#define PR_IS(a, s)                                             \
 532        do {                                                    \
 533                len += snprintf(buf + len, mxlen - len,         \
 534                                "%21s: %10u\n", a,              \
 535                                sc->debug.stats.istats.s);      \
 536        } while (0)
 537
 538        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 539                PR_IS("RXLP", rxlp);
 540                PR_IS("RXHP", rxhp);
 541                PR_IS("WATHDOG", bb_watchdog);
 542        } else {
 543                PR_IS("RX", rxok);
 544        }
 545        PR_IS("RXEOL", rxeol);
 546        PR_IS("RXORN", rxorn);
 547        PR_IS("TX", txok);
 548        PR_IS("TXURN", txurn);
 549        PR_IS("MIB", mib);
 550        PR_IS("RXPHY", rxphyerr);
 551        PR_IS("RXKCM", rx_keycache_miss);
 552        PR_IS("SWBA", swba);
 553        PR_IS("BMISS", bmiss);
 554        PR_IS("BNR", bnr);
 555        PR_IS("CST", cst);
 556        PR_IS("GTT", gtt);
 557        PR_IS("TIM", tim);
 558        PR_IS("CABEND", cabend);
 559        PR_IS("DTIMSYNC", dtimsync);
 560        PR_IS("DTIM", dtim);
 561        PR_IS("TSFOOR", tsfoor);
 562        PR_IS("MCI", mci);
 563        PR_IS("GENTIMER", gen_timer);
 564        PR_IS("TOTAL", total);
 565
 566        len += snprintf(buf + len, mxlen - len,
 567                        "SYNC_CAUSE stats:\n");
 568
 569        PR_IS("Sync-All", sync_cause_all);
 570        PR_IS("RTC-IRQ", sync_rtc_irq);
 571        PR_IS("MAC-IRQ", sync_mac_irq);
 572        PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 573        PR_IS("APB-Timeout", apb_timeout);
 574        PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 575        PR_IS("HOST1-Fatal", host1_fatal);
 576        PR_IS("HOST1-Perr", host1_perr);
 577        PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 578        PR_IS("RADM-CPL-EP", radm_cpl_ep);
 579        PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 580        PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 581        PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 582        PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 583        PR_IS("Local-Bus-Timeout", local_timeout);
 584        PR_IS("PM-Access", pm_access);
 585        PR_IS("MAC-Awake", mac_awake);
 586        PR_IS("MAC-Asleep", mac_asleep);
 587        PR_IS("MAC-Sleep-Access", mac_sleep_access);
 588
 589        if (len > mxlen)
 590                len = mxlen;
 591
 592        rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 593        kfree(buf);
 594        return rv;
 595}
 596
 597static const struct file_operations fops_interrupt = {
 598        .read = read_file_interrupt,
 599        .open = simple_open,
 600        .owner = THIS_MODULE,
 601        .llseek = default_llseek,
 602};
 603
 604static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 605                              size_t count, loff_t *ppos)
 606{
 607        struct ath_softc *sc = file->private_data;
 608        char *buf;
 609        unsigned int len = 0, size = 2048;
 610        ssize_t retval = 0;
 611
 612        buf = kzalloc(size, GFP_KERNEL);
 613        if (buf == NULL)
 614                return -ENOMEM;
 615
 616        len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 617                       "BE", "BK", "VI", "VO");
 618
 619        PR("MPDUs Queued:    ", queued);
 620        PR("MPDUs Completed: ", completed);
 621        PR("MPDUs XRetried:  ", xretries);
 622        PR("Aggregates:      ", a_aggr);
 623        PR("AMPDUs Queued HW:", a_queued_hw);
 624        PR("AMPDUs Queued SW:", a_queued_sw);
 625        PR("AMPDUs Completed:", a_completed);
 626        PR("AMPDUs Retried:  ", a_retries);
 627        PR("AMPDUs XRetried: ", a_xretries);
 628        PR("TXERR Filtered:  ", txerr_filtered);
 629        PR("FIFO Underrun:   ", fifo_underrun);
 630        PR("TXOP Exceeded:   ", xtxop);
 631        PR("TXTIMER Expiry:  ", timer_exp);
 632        PR("DESC CFG Error:  ", desc_cfg_err);
 633        PR("DATA Underrun:   ", data_underrun);
 634        PR("DELIM Underrun:  ", delim_underrun);
 635        PR("TX-Pkts-All:     ", tx_pkts_all);
 636        PR("TX-Bytes-All:    ", tx_bytes_all);
 637        PR("HW-put-tx-buf:   ", puttxbuf);
 638        PR("HW-tx-start:     ", txstart);
 639        PR("HW-tx-proc-desc: ", txprocdesc);
 640        PR("TX-Failed:       ", txfailed);
 641
 642        if (len > size)
 643                len = size;
 644
 645        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 646        kfree(buf);
 647
 648        return retval;
 649}
 650
 651static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
 652                           char *buf, ssize_t size)
 653{
 654        ssize_t len = 0;
 655
 656        ath_txq_lock(sc, txq);
 657
 658        len += snprintf(buf + len, size - len, "%s: %d ",
 659                        "qnum", txq->axq_qnum);
 660        len += snprintf(buf + len, size - len, "%s: %2d ",
 661                        "qdepth", txq->axq_depth);
 662        len += snprintf(buf + len, size - len, "%s: %2d ",
 663                        "ampdu-depth", txq->axq_ampdu_depth);
 664        len += snprintf(buf + len, size - len, "%s: %3d ",
 665                        "pending", txq->pending_frames);
 666        len += snprintf(buf + len, size - len, "%s: %d\n",
 667                        "stopped", txq->stopped);
 668
 669        ath_txq_unlock(sc, txq);
 670        return len;
 671}
 672
 673static ssize_t read_file_queues(struct file *file, char __user *user_buf,
 674                                size_t count, loff_t *ppos)
 675{
 676        struct ath_softc *sc = file->private_data;
 677        struct ath_txq *txq;
 678        char *buf;
 679        unsigned int len = 0, size = 1024;
 680        ssize_t retval = 0;
 681        int i;
 682        char *qname[4] = {"VO", "VI", "BE", "BK"};
 683
 684        buf = kzalloc(size, GFP_KERNEL);
 685        if (buf == NULL)
 686                return -ENOMEM;
 687
 688        for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 689                txq = sc->tx.txq_map[i];
 690                len += snprintf(buf + len, size - len, "(%s):  ", qname[i]);
 691                len += print_queue(sc, txq, buf + len, size - len);
 692        }
 693
 694        len += snprintf(buf + len, size - len, "(CAB): ");
 695        len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
 696
 697        if (len > size)
 698                len = size;
 699
 700        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 701        kfree(buf);
 702
 703        return retval;
 704}
 705
 706static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 707                              size_t count, loff_t *ppos)
 708{
 709        struct ath_softc *sc = file->private_data;
 710        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 711        struct ieee80211_hw *hw = sc->hw;
 712        struct ath9k_vif_iter_data iter_data;
 713        char buf[512];
 714        unsigned int len = 0;
 715        ssize_t retval = 0;
 716        unsigned int reg;
 717        u32 rxfilter;
 718
 719        len += snprintf(buf + len, sizeof(buf) - len,
 720                        "BSSID: %pM\n", common->curbssid);
 721        len += snprintf(buf + len, sizeof(buf) - len,
 722                        "BSSID-MASK: %pM\n", common->bssidmask);
 723        len += snprintf(buf + len, sizeof(buf) - len,
 724                        "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 725
 726        ath9k_ps_wakeup(sc);
 727        rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 728        ath9k_ps_restore(sc);
 729
 730        len += snprintf(buf + len, sizeof(buf) - len,
 731                        "RXFILTER: 0x%x", rxfilter);
 732
 733        if (rxfilter & ATH9K_RX_FILTER_UCAST)
 734                len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 735        if (rxfilter & ATH9K_RX_FILTER_MCAST)
 736                len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 737        if (rxfilter & ATH9K_RX_FILTER_BCAST)
 738                len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 739        if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 740                len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 741        if (rxfilter & ATH9K_RX_FILTER_BEACON)
 742                len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 743        if (rxfilter & ATH9K_RX_FILTER_PROM)
 744                len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 745        if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 746                len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 747        if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 748                len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 749        if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 750                len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 751        if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 752                len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 753        if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 754                len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 755        if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 756                len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 757        if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 758                len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 759        if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 760                len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 761
 762        len += snprintf(buf + len, sizeof(buf) - len, "\n");
 763
 764        reg = sc->sc_ah->imask;
 765
 766        len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
 767
 768        if (reg & ATH9K_INT_SWBA)
 769                len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 770        if (reg & ATH9K_INT_BMISS)
 771                len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 772        if (reg & ATH9K_INT_CST)
 773                len += snprintf(buf + len, sizeof(buf) - len, " CST");
 774        if (reg & ATH9K_INT_RX)
 775                len += snprintf(buf + len, sizeof(buf) - len, " RX");
 776        if (reg & ATH9K_INT_RXHP)
 777                len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 778        if (reg & ATH9K_INT_RXLP)
 779                len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 780        if (reg & ATH9K_INT_BB_WATCHDOG)
 781                len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 782
 783        len += snprintf(buf + len, sizeof(buf) - len, "\n");
 784
 785        ath9k_calculate_iter_data(hw, NULL, &iter_data);
 786
 787        len += snprintf(buf + len, sizeof(buf) - len,
 788                        "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 789                        " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 790                        iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 791                        iter_data.nwds, iter_data.nadhocs,
 792                        sc->nvifs, sc->nbcnvifs);
 793
 794        if (len > sizeof(buf))
 795                len = sizeof(buf);
 796
 797        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 798        return retval;
 799}
 800
 801static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 802                               size_t count, loff_t *ppos)
 803{
 804        struct ath_softc *sc = file->private_data;
 805        char buf[512];
 806        unsigned int len = 0;
 807
 808        len += snprintf(buf + len, sizeof(buf) - len,
 809                        "%17s: %2d\n", "Baseband Hang",
 810                        sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 811        len += snprintf(buf + len, sizeof(buf) - len,
 812                        "%17s: %2d\n", "Baseband Watchdog",
 813                        sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 814        len += snprintf(buf + len, sizeof(buf) - len,
 815                        "%17s: %2d\n", "Fatal HW Error",
 816                        sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 817        len += snprintf(buf + len, sizeof(buf) - len,
 818                        "%17s: %2d\n", "TX HW error",
 819                        sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 820        len += snprintf(buf + len, sizeof(buf) - len,
 821                        "%17s: %2d\n", "TX Path Hang",
 822                        sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 823        len += snprintf(buf + len, sizeof(buf) - len,
 824                        "%17s: %2d\n", "PLL RX Hang",
 825                        sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 826        len += snprintf(buf + len, sizeof(buf) - len,
 827                        "%17s: %2d\n", "MCI Reset",
 828                        sc->debug.stats.reset[RESET_TYPE_MCI]);
 829
 830        if (len > sizeof(buf))
 831                len = sizeof(buf);
 832
 833        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 834}
 835
 836void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 837                       struct ath_tx_status *ts, struct ath_txq *txq,
 838                       unsigned int flags)
 839{
 840        int qnum = txq->axq_qnum;
 841
 842        TX_STAT_INC(qnum, tx_pkts_all);
 843        sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 844
 845        if (bf_isampdu(bf)) {
 846                if (flags & ATH_TX_ERROR)
 847                        TX_STAT_INC(qnum, a_xretries);
 848                else
 849                        TX_STAT_INC(qnum, a_completed);
 850        } else {
 851                if (ts->ts_status & ATH9K_TXERR_XRETRY)
 852                        TX_STAT_INC(qnum, xretries);
 853                else
 854                        TX_STAT_INC(qnum, completed);
 855        }
 856
 857        if (ts->ts_status & ATH9K_TXERR_FILT)
 858                TX_STAT_INC(qnum, txerr_filtered);
 859        if (ts->ts_status & ATH9K_TXERR_FIFO)
 860                TX_STAT_INC(qnum, fifo_underrun);
 861        if (ts->ts_status & ATH9K_TXERR_XTXOP)
 862                TX_STAT_INC(qnum, xtxop);
 863        if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 864                TX_STAT_INC(qnum, timer_exp);
 865        if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 866                TX_STAT_INC(qnum, desc_cfg_err);
 867        if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 868                TX_STAT_INC(qnum, data_underrun);
 869        if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 870                TX_STAT_INC(qnum, delim_underrun);
 871}
 872
 873static const struct file_operations fops_xmit = {
 874        .read = read_file_xmit,
 875        .open = simple_open,
 876        .owner = THIS_MODULE,
 877        .llseek = default_llseek,
 878};
 879
 880static const struct file_operations fops_queues = {
 881        .read = read_file_queues,
 882        .open = simple_open,
 883        .owner = THIS_MODULE,
 884        .llseek = default_llseek,
 885};
 886
 887static const struct file_operations fops_misc = {
 888        .read = read_file_misc,
 889        .open = simple_open,
 890        .owner = THIS_MODULE,
 891        .llseek = default_llseek,
 892};
 893
 894static const struct file_operations fops_reset = {
 895        .read = read_file_reset,
 896        .open = simple_open,
 897        .owner = THIS_MODULE,
 898        .llseek = default_llseek,
 899};
 900
 901static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 902                              size_t count, loff_t *ppos)
 903{
 904#define PHY_ERR(s, p) \
 905        len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 906                        sc->debug.stats.rxstats.phy_err_stats[p]);
 907
 908#define RXS_ERR(s, e)                                       \
 909        do {                                                \
 910                len += snprintf(buf + len, size - len,      \
 911                                "%22s : %10u\n", s,         \
 912                                sc->debug.stats.rxstats.e); \
 913        } while (0)
 914
 915        struct ath_softc *sc = file->private_data;
 916        char *buf;
 917        unsigned int len = 0, size = 1600;
 918        ssize_t retval = 0;
 919
 920        buf = kzalloc(size, GFP_KERNEL);
 921        if (buf == NULL)
 922                return -ENOMEM;
 923
 924        RXS_ERR("CRC ERR", crc_err);
 925        RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 926        RXS_ERR("PHY ERR", phy_err);
 927        RXS_ERR("MIC ERR", mic_err);
 928        RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 929        RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 930        RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 931        RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 932        RXS_ERR("RX-OOM-ERR", rx_oom_err);
 933        RXS_ERR("RX-RATE-ERR", rx_rate_err);
 934        RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 935
 936        PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 937        PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 938        PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 939        PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 940        PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 941        PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 942        PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 943        PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 944        PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 945        PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 946        PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 947        PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 948        PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 949        PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 950        PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 951        PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 952        PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 953        PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 954        PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 955        PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 956        PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 957        PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 958        PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 959        PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 960        PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 961        PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 962
 963        RXS_ERR("RX-Pkts-All", rx_pkts_all);
 964        RXS_ERR("RX-Bytes-All", rx_bytes_all);
 965        RXS_ERR("RX-Beacons", rx_beacons);
 966        RXS_ERR("RX-Frags", rx_frags);
 967        RXS_ERR("RX-Spectral", rx_spectral);
 968
 969        if (len > size)
 970                len = size;
 971
 972        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 973        kfree(buf);
 974
 975        return retval;
 976
 977#undef RXS_ERR
 978#undef PHY_ERR
 979}
 980
 981void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 982{
 983#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 984
 985        RX_STAT_INC(rx_pkts_all);
 986        sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 987
 988        if (rs->rs_status & ATH9K_RXERR_CRC)
 989                RX_STAT_INC(crc_err);
 990        if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 991                RX_STAT_INC(decrypt_crc_err);
 992        if (rs->rs_status & ATH9K_RXERR_MIC)
 993                RX_STAT_INC(mic_err);
 994        if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 995                RX_STAT_INC(pre_delim_crc_err);
 996        if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 997                RX_STAT_INC(post_delim_crc_err);
 998        if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 999                RX_STAT_INC(decrypt_busy_err);
1000
1001        if (rs->rs_status & ATH9K_RXERR_PHY) {
1002                RX_STAT_INC(phy_err);
1003                if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1004                        RX_PHY_ERR_INC(rs->rs_phyerr);
1005        }
1006
1007#undef RX_PHY_ERR_INC
1008}
1009
1010static const struct file_operations fops_recv = {
1011        .read = read_file_recv,
1012        .open = simple_open,
1013        .owner = THIS_MODULE,
1014        .llseek = default_llseek,
1015};
1016
1017static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
1018                                       size_t count, loff_t *ppos)
1019{
1020        struct ath_softc *sc = file->private_data;
1021        char *mode = "";
1022        unsigned int len;
1023
1024        switch (sc->spectral_mode) {
1025        case SPECTRAL_DISABLED:
1026                mode = "disable";
1027                break;
1028        case SPECTRAL_BACKGROUND:
1029                mode = "background";
1030                break;
1031        case SPECTRAL_CHANSCAN:
1032                mode = "chanscan";
1033                break;
1034        case SPECTRAL_MANUAL:
1035                mode = "manual";
1036                break;
1037        }
1038        len = strlen(mode);
1039        return simple_read_from_buffer(user_buf, count, ppos, mode, len);
1040}
1041
1042static ssize_t write_file_spec_scan_ctl(struct file *file,
1043                                        const char __user *user_buf,
1044                                        size_t count, loff_t *ppos)
1045{
1046        struct ath_softc *sc = file->private_data;
1047        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1048        char buf[32];
1049        ssize_t len;
1050
1051        len = min(count, sizeof(buf) - 1);
1052        if (copy_from_user(buf, user_buf, len))
1053                return -EFAULT;
1054
1055        buf[len] = '\0';
1056
1057        if (strncmp("trigger", buf, 7) == 0) {
1058                ath9k_spectral_scan_trigger(sc->hw);
1059        } else if (strncmp("background", buf, 9) == 0) {
1060                ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
1061                ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
1062        } else if (strncmp("chanscan", buf, 8) == 0) {
1063                ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
1064                ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
1065        } else if (strncmp("manual", buf, 6) == 0) {
1066                ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
1067                ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
1068        } else if (strncmp("disable", buf, 7) == 0) {
1069                ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
1070                ath_dbg(common, CONFIG, "spectral scan: disabled\n");
1071        } else {
1072                return -EINVAL;
1073        }
1074
1075        return count;
1076}
1077
1078static const struct file_operations fops_spec_scan_ctl = {
1079        .read = read_file_spec_scan_ctl,
1080        .write = write_file_spec_scan_ctl,
1081        .open = simple_open,
1082        .owner = THIS_MODULE,
1083        .llseek = default_llseek,
1084};
1085
1086static ssize_t read_file_spectral_short_repeat(struct file *file,
1087                                               char __user *user_buf,
1088                                               size_t count, loff_t *ppos)
1089{
1090        struct ath_softc *sc = file->private_data;
1091        char buf[32];
1092        unsigned int len;
1093
1094        len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
1095        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1096}
1097
1098static ssize_t write_file_spectral_short_repeat(struct file *file,
1099                                                const char __user *user_buf,
1100                                                size_t count, loff_t *ppos)
1101{
1102        struct ath_softc *sc = file->private_data;
1103        unsigned long val;
1104        char buf[32];
1105        ssize_t len;
1106
1107        len = min(count, sizeof(buf) - 1);
1108        if (copy_from_user(buf, user_buf, len))
1109                return -EFAULT;
1110
1111        buf[len] = '\0';
1112        if (kstrtoul(buf, 0, &val))
1113                return -EINVAL;
1114
1115        if (val < 0 || val > 1)
1116                return -EINVAL;
1117
1118        sc->spec_config.short_repeat = val;
1119        return count;
1120}
1121
1122static const struct file_operations fops_spectral_short_repeat = {
1123        .read = read_file_spectral_short_repeat,
1124        .write = write_file_spectral_short_repeat,
1125        .open = simple_open,
1126        .owner = THIS_MODULE,
1127        .llseek = default_llseek,
1128};
1129
1130static ssize_t read_file_spectral_count(struct file *file,
1131                                        char __user *user_buf,
1132                                        size_t count, loff_t *ppos)
1133{
1134        struct ath_softc *sc = file->private_data;
1135        char buf[32];
1136        unsigned int len;
1137
1138        len = sprintf(buf, "%d\n", sc->spec_config.count);
1139        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1140}
1141
1142static ssize_t write_file_spectral_count(struct file *file,
1143                                         const char __user *user_buf,
1144                                         size_t count, loff_t *ppos)
1145{
1146        struct ath_softc *sc = file->private_data;
1147        unsigned long val;
1148        char buf[32];
1149        ssize_t len;
1150
1151        len = min(count, sizeof(buf) - 1);
1152        if (copy_from_user(buf, user_buf, len))
1153                return -EFAULT;
1154
1155        buf[len] = '\0';
1156        if (kstrtoul(buf, 0, &val))
1157                return -EINVAL;
1158
1159        if (val < 0 || val > 255)
1160                return -EINVAL;
1161
1162        sc->spec_config.count = val;
1163        return count;
1164}
1165
1166static const struct file_operations fops_spectral_count = {
1167        .read = read_file_spectral_count,
1168        .write = write_file_spectral_count,
1169        .open = simple_open,
1170        .owner = THIS_MODULE,
1171        .llseek = default_llseek,
1172};
1173
1174static ssize_t read_file_spectral_period(struct file *file,
1175                                         char __user *user_buf,
1176                                         size_t count, loff_t *ppos)
1177{
1178        struct ath_softc *sc = file->private_data;
1179        char buf[32];
1180        unsigned int len;
1181
1182        len = sprintf(buf, "%d\n", sc->spec_config.period);
1183        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1184}
1185
1186static ssize_t write_file_spectral_period(struct file *file,
1187                                          const char __user *user_buf,
1188                                          size_t count, loff_t *ppos)
1189{
1190        struct ath_softc *sc = file->private_data;
1191        unsigned long val;
1192        char buf[32];
1193        ssize_t len;
1194
1195        len = min(count, sizeof(buf) - 1);
1196        if (copy_from_user(buf, user_buf, len))
1197                return -EFAULT;
1198
1199        buf[len] = '\0';
1200        if (kstrtoul(buf, 0, &val))
1201                return -EINVAL;
1202
1203        if (val < 0 || val > 255)
1204                return -EINVAL;
1205
1206        sc->spec_config.period = val;
1207        return count;
1208}
1209
1210static const struct file_operations fops_spectral_period = {
1211        .read = read_file_spectral_period,
1212        .write = write_file_spectral_period,
1213        .open = simple_open,
1214        .owner = THIS_MODULE,
1215        .llseek = default_llseek,
1216};
1217
1218static ssize_t read_file_spectral_fft_period(struct file *file,
1219                                             char __user *user_buf,
1220                                             size_t count, loff_t *ppos)
1221{
1222        struct ath_softc *sc = file->private_data;
1223        char buf[32];
1224        unsigned int len;
1225
1226        len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
1227        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1228}
1229
1230static ssize_t write_file_spectral_fft_period(struct file *file,
1231                                              const char __user *user_buf,
1232                                              size_t count, loff_t *ppos)
1233{
1234        struct ath_softc *sc = file->private_data;
1235        unsigned long val;
1236        char buf[32];
1237        ssize_t len;
1238
1239        len = min(count, sizeof(buf) - 1);
1240        if (copy_from_user(buf, user_buf, len))
1241                return -EFAULT;
1242
1243        buf[len] = '\0';
1244        if (kstrtoul(buf, 0, &val))
1245                return -EINVAL;
1246
1247        if (val < 0 || val > 15)
1248                return -EINVAL;
1249
1250        sc->spec_config.fft_period = val;
1251        return count;
1252}
1253
1254static const struct file_operations fops_spectral_fft_period = {
1255        .read = read_file_spectral_fft_period,
1256        .write = write_file_spectral_fft_period,
1257        .open = simple_open,
1258        .owner = THIS_MODULE,
1259        .llseek = default_llseek,
1260};
1261
1262static struct dentry *create_buf_file_handler(const char *filename,
1263                                              struct dentry *parent,
1264                                              umode_t mode,
1265                                              struct rchan_buf *buf,
1266                                              int *is_global)
1267{
1268        struct dentry *buf_file;
1269
1270        buf_file = debugfs_create_file(filename, mode, parent, buf,
1271                                       &relay_file_operations);
1272        *is_global = 1;
1273        return buf_file;
1274}
1275
1276static int remove_buf_file_handler(struct dentry *dentry)
1277{
1278        debugfs_remove(dentry);
1279
1280        return 0;
1281}
1282
1283void ath_debug_send_fft_sample(struct ath_softc *sc,
1284                               struct fft_sample_tlv *fft_sample_tlv)
1285{
1286        int length;
1287        if (!sc->rfs_chan_spec_scan)
1288                return;
1289
1290        length = __be16_to_cpu(fft_sample_tlv->length) +
1291                 sizeof(*fft_sample_tlv);
1292        relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
1293}
1294
1295static struct rchan_callbacks rfs_spec_scan_cb = {
1296        .create_buf_file = create_buf_file_handler,
1297        .remove_buf_file = remove_buf_file_handler,
1298};
1299
1300
1301static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1302                                size_t count, loff_t *ppos)
1303{
1304        struct ath_softc *sc = file->private_data;
1305        char buf[32];
1306        unsigned int len;
1307
1308        len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1309        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1310}
1311
1312static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1313                             size_t count, loff_t *ppos)
1314{
1315        struct ath_softc *sc = file->private_data;
1316        unsigned long regidx;
1317        char buf[32];
1318        ssize_t len;
1319
1320        len = min(count, sizeof(buf) - 1);
1321        if (copy_from_user(buf, user_buf, len))
1322                return -EFAULT;
1323
1324        buf[len] = '\0';
1325        if (kstrtoul(buf, 0, &regidx))
1326                return -EINVAL;
1327
1328        sc->debug.regidx = regidx;
1329        return count;
1330}
1331
1332static const struct file_operations fops_regidx = {
1333        .read = read_file_regidx,
1334        .write = write_file_regidx,
1335        .open = simple_open,
1336        .owner = THIS_MODULE,
1337        .llseek = default_llseek,
1338};
1339
1340static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1341                             size_t count, loff_t *ppos)
1342{
1343        struct ath_softc *sc = file->private_data;
1344        struct ath_hw *ah = sc->sc_ah;
1345        char buf[32];
1346        unsigned int len;
1347        u32 regval;
1348
1349        ath9k_ps_wakeup(sc);
1350        regval = REG_READ_D(ah, sc->debug.regidx);
1351        ath9k_ps_restore(sc);
1352        len = sprintf(buf, "0x%08x\n", regval);
1353        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1354}
1355
1356static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1357                             size_t count, loff_t *ppos)
1358{
1359        struct ath_softc *sc = file->private_data;
1360        struct ath_hw *ah = sc->sc_ah;
1361        unsigned long regval;
1362        char buf[32];
1363        ssize_t len;
1364
1365        len = min(count, sizeof(buf) - 1);
1366        if (copy_from_user(buf, user_buf, len))
1367                return -EFAULT;
1368
1369        buf[len] = '\0';
1370        if (kstrtoul(buf, 0, &regval))
1371                return -EINVAL;
1372
1373        ath9k_ps_wakeup(sc);
1374        REG_WRITE_D(ah, sc->debug.regidx, regval);
1375        ath9k_ps_restore(sc);
1376        return count;
1377}
1378
1379static const struct file_operations fops_regval = {
1380        .read = read_file_regval,
1381        .write = write_file_regval,
1382        .open = simple_open,
1383        .owner = THIS_MODULE,
1384        .llseek = default_llseek,
1385};
1386
1387#define REGDUMP_LINE_SIZE       20
1388
1389static int open_file_regdump(struct inode *inode, struct file *file)
1390{
1391        struct ath_softc *sc = inode->i_private;
1392        unsigned int len = 0;
1393        u8 *buf;
1394        int i;
1395        unsigned long num_regs, regdump_len, max_reg_offset;
1396
1397        max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1398        num_regs = max_reg_offset / 4 + 1;
1399        regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1400        buf = vmalloc(regdump_len);
1401        if (!buf)
1402                return -ENOMEM;
1403
1404        ath9k_ps_wakeup(sc);
1405        for (i = 0; i < num_regs; i++)
1406                len += scnprintf(buf + len, regdump_len - len,
1407                        "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1408        ath9k_ps_restore(sc);
1409
1410        file->private_data = buf;
1411
1412        return 0;
1413}
1414
1415static const struct file_operations fops_regdump = {
1416        .open = open_file_regdump,
1417        .read = ath9k_debugfs_read_buf,
1418        .release = ath9k_debugfs_release_buf,
1419        .owner = THIS_MODULE,
1420        .llseek = default_llseek,/* read accesses f_pos */
1421};
1422
1423static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1424                                    size_t count, loff_t *ppos)
1425{
1426        struct ath_softc *sc = file->private_data;
1427        struct ath_hw *ah = sc->sc_ah;
1428        struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1429        struct ath_common *common = ath9k_hw_common(ah);
1430        struct ieee80211_conf *conf = &common->hw->conf;
1431        u32 len = 0, size = 1500;
1432        u32 i, j;
1433        ssize_t retval = 0;
1434        char *buf;
1435        u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1436        u8 nread;
1437
1438        buf = kzalloc(size, GFP_KERNEL);
1439        if (!buf)
1440                return -ENOMEM;
1441
1442        len += snprintf(buf + len, size - len,
1443                        "Channel Noise Floor : %d\n", ah->noise);
1444        len += snprintf(buf + len, size - len,
1445                        "Chain | privNF | # Readings | NF Readings\n");
1446        for (i = 0; i < NUM_NF_READINGS; i++) {
1447                if (!(chainmask & (1 << i)) ||
1448                    ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1449                        continue;
1450
1451                nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1452                len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1453                                i, h[i].privNF, nread);
1454                for (j = 0; j < nread; j++)
1455                        len += snprintf(buf + len, size - len,
1456                                        " %d", h[i].nfCalBuffer[j]);
1457                len += snprintf(buf + len, size - len, "\n");
1458        }
1459
1460        if (len > size)
1461                len = size;
1462
1463        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1464        kfree(buf);
1465
1466        return retval;
1467}
1468
1469static const struct file_operations fops_dump_nfcal = {
1470        .read = read_file_dump_nfcal,
1471        .open = simple_open,
1472        .owner = THIS_MODULE,
1473        .llseek = default_llseek,
1474};
1475
1476static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1477                                     size_t count, loff_t *ppos)
1478{
1479        struct ath_softc *sc = file->private_data;
1480        struct ath_hw *ah = sc->sc_ah;
1481        u32 len = 0, size = 1500;
1482        ssize_t retval = 0;
1483        char *buf;
1484
1485        buf = kzalloc(size, GFP_KERNEL);
1486        if (!buf)
1487                return -ENOMEM;
1488
1489        len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1490
1491        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1492        kfree(buf);
1493
1494        return retval;
1495}
1496
1497static const struct file_operations fops_base_eeprom = {
1498        .read = read_file_base_eeprom,
1499        .open = simple_open,
1500        .owner = THIS_MODULE,
1501        .llseek = default_llseek,
1502};
1503
1504static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1505                                      size_t count, loff_t *ppos)
1506{
1507        struct ath_softc *sc = file->private_data;
1508        struct ath_hw *ah = sc->sc_ah;
1509        u32 len = 0, size = 6000;
1510        char *buf;
1511        size_t retval;
1512
1513        buf = kzalloc(size, GFP_KERNEL);
1514        if (buf == NULL)
1515                return -ENOMEM;
1516
1517        len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1518
1519        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1520        kfree(buf);
1521
1522        return retval;
1523}
1524
1525static const struct file_operations fops_modal_eeprom = {
1526        .read = read_file_modal_eeprom,
1527        .open = simple_open,
1528        .owner = THIS_MODULE,
1529        .llseek = default_llseek,
1530};
1531
1532#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1533static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1534                                size_t count, loff_t *ppos)
1535{
1536        struct ath_softc *sc = file->private_data;
1537        u32 len = 0, size = 1500;
1538        char *buf;
1539        size_t retval;
1540
1541        buf = kzalloc(size, GFP_KERNEL);
1542        if (buf == NULL)
1543                return -ENOMEM;
1544
1545        if (!sc->sc_ah->common.btcoex_enabled) {
1546                len = snprintf(buf, size, "%s\n",
1547                               "BTCOEX is disabled");
1548                goto exit;
1549        }
1550
1551        len = ath9k_dump_btcoex(sc, buf, size);
1552exit:
1553        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1554        kfree(buf);
1555
1556        return retval;
1557}
1558
1559static const struct file_operations fops_btcoex = {
1560        .read = read_file_btcoex,
1561        .open = simple_open,
1562        .owner = THIS_MODULE,
1563        .llseek = default_llseek,
1564};
1565#endif
1566
1567static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1568                                   size_t count, loff_t *ppos)
1569{
1570        struct ath_node *an = file->private_data;
1571        struct ath_softc *sc = an->sc;
1572        struct ath_atx_tid *tid;
1573        struct ath_atx_ac *ac;
1574        struct ath_txq *txq;
1575        u32 len = 0, size = 4096;
1576        char *buf;
1577        size_t retval;
1578        int tidno, acno;
1579
1580        buf = kzalloc(size, GFP_KERNEL);
1581        if (buf == NULL)
1582                return -ENOMEM;
1583
1584        if (!an->sta->ht_cap.ht_supported) {
1585                len = snprintf(buf, size, "%s\n",
1586                               "HT not supported");
1587                goto exit;
1588        }
1589
1590        len = snprintf(buf, size, "Max-AMPDU: %d\n",
1591                       an->maxampdu);
1592        len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1593                        an->mpdudensity);
1594
1595        len += snprintf(buf + len, size - len,
1596                        "%2s%7s\n", "AC", "SCHED");
1597
1598        for (acno = 0, ac = &an->ac[acno];
1599             acno < IEEE80211_NUM_ACS; acno++, ac++) {
1600                txq = ac->txq;
1601                ath_txq_lock(sc, txq);
1602                len += snprintf(buf + len, size - len,
1603                                "%2d%7d\n",
1604                                acno, ac->sched);
1605                ath_txq_unlock(sc, txq);
1606        }
1607
1608        len += snprintf(buf + len, size - len,
1609                        "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1610                        "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1611                        "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1612
1613        for (tidno = 0, tid = &an->tid[tidno];
1614             tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1615                txq = tid->ac->txq;
1616                ath_txq_lock(sc, txq);
1617                len += snprintf(buf + len, size - len,
1618                                "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1619                                tid->tidno, tid->seq_start, tid->seq_next,
1620                                tid->baw_size, tid->baw_head, tid->baw_tail,
1621                                tid->bar_index, tid->sched, tid->paused);
1622                ath_txq_unlock(sc, txq);
1623        }
1624exit:
1625        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1626        kfree(buf);
1627
1628        return retval;
1629}
1630
1631static const struct file_operations fops_node_stat = {
1632        .read = read_file_node_stat,
1633        .open = simple_open,
1634        .owner = THIS_MODULE,
1635        .llseek = default_llseek,
1636};
1637
1638void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1639                           struct ieee80211_vif *vif,
1640                           struct ieee80211_sta *sta,
1641                           struct dentry *dir)
1642{
1643        struct ath_node *an = (struct ath_node *)sta->drv_priv;
1644        debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat);
1645}
1646
1647/* Ethtool support for get-stats */
1648
1649#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1650static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1651        "tx_pkts_nic",
1652        "tx_bytes_nic",
1653        "rx_pkts_nic",
1654        "rx_bytes_nic",
1655        AMKSTR(d_tx_pkts),
1656        AMKSTR(d_tx_bytes),
1657        AMKSTR(d_tx_mpdus_queued),
1658        AMKSTR(d_tx_mpdus_completed),
1659        AMKSTR(d_tx_mpdu_xretries),
1660        AMKSTR(d_tx_aggregates),
1661        AMKSTR(d_tx_ampdus_queued_hw),
1662        AMKSTR(d_tx_ampdus_queued_sw),
1663        AMKSTR(d_tx_ampdus_completed),
1664        AMKSTR(d_tx_ampdu_retries),
1665        AMKSTR(d_tx_ampdu_xretries),
1666        AMKSTR(d_tx_fifo_underrun),
1667        AMKSTR(d_tx_op_exceeded),
1668        AMKSTR(d_tx_timer_expiry),
1669        AMKSTR(d_tx_desc_cfg_err),
1670        AMKSTR(d_tx_data_underrun),
1671        AMKSTR(d_tx_delim_underrun),
1672        "d_rx_crc_err",
1673        "d_rx_decrypt_crc_err",
1674        "d_rx_phy_err",
1675        "d_rx_mic_err",
1676        "d_rx_pre_delim_crc_err",
1677        "d_rx_post_delim_crc_err",
1678        "d_rx_decrypt_busy_err",
1679
1680        "d_rx_phyerr_radar",
1681        "d_rx_phyerr_ofdm_timing",
1682        "d_rx_phyerr_cck_timing",
1683
1684};
1685#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1686
1687void ath9k_get_et_strings(struct ieee80211_hw *hw,
1688                          struct ieee80211_vif *vif,
1689                          u32 sset, u8 *data)
1690{
1691        if (sset == ETH_SS_STATS)
1692                memcpy(data, *ath9k_gstrings_stats,
1693                       sizeof(ath9k_gstrings_stats));
1694}
1695
1696int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1697                            struct ieee80211_vif *vif, int sset)
1698{
1699        if (sset == ETH_SS_STATS)
1700                return ATH9K_SSTATS_LEN;
1701        return 0;
1702}
1703
1704#define AWDATA(elem)                                                    \
1705        do {                                                            \
1706                data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1707                data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1708                data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1709                data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1710        } while (0)
1711
1712#define AWDATA_RX(elem)                                         \
1713        do {                                                    \
1714                data[i++] = sc->debug.stats.rxstats.elem;       \
1715        } while (0)
1716
1717void ath9k_get_et_stats(struct ieee80211_hw *hw,
1718                        struct ieee80211_vif *vif,
1719                        struct ethtool_stats *stats, u64 *data)
1720{
1721        struct ath_softc *sc = hw->priv;
1722        int i = 0;
1723
1724        data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1725                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1726                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1727                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1728        data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1729                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1730                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1731                     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1732        AWDATA_RX(rx_pkts_all);
1733        AWDATA_RX(rx_bytes_all);
1734
1735        AWDATA(tx_pkts_all);
1736        AWDATA(tx_bytes_all);
1737        AWDATA(queued);
1738        AWDATA(completed);
1739        AWDATA(xretries);
1740        AWDATA(a_aggr);
1741        AWDATA(a_queued_hw);
1742        AWDATA(a_queued_sw);
1743        AWDATA(a_completed);
1744        AWDATA(a_retries);
1745        AWDATA(a_xretries);
1746        AWDATA(fifo_underrun);
1747        AWDATA(xtxop);
1748        AWDATA(timer_exp);
1749        AWDATA(desc_cfg_err);
1750        AWDATA(data_underrun);
1751        AWDATA(delim_underrun);
1752
1753        AWDATA_RX(crc_err);
1754        AWDATA_RX(decrypt_crc_err);
1755        AWDATA_RX(phy_err);
1756        AWDATA_RX(mic_err);
1757        AWDATA_RX(pre_delim_crc_err);
1758        AWDATA_RX(post_delim_crc_err);
1759        AWDATA_RX(decrypt_busy_err);
1760
1761        AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1762        AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1763        AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1764
1765        WARN_ON(i != ATH9K_SSTATS_LEN);
1766}
1767
1768void ath9k_deinit_debug(struct ath_softc *sc)
1769{
1770        if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
1771                relay_close(sc->rfs_chan_spec_scan);
1772                sc->rfs_chan_spec_scan = NULL;
1773        }
1774}
1775
1776int ath9k_init_debug(struct ath_hw *ah)
1777{
1778        struct ath_common *common = ath9k_hw_common(ah);
1779        struct ath_softc *sc = (struct ath_softc *) common->priv;
1780
1781        sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1782                                                   sc->hw->wiphy->debugfsdir);
1783        if (!sc->debug.debugfs_phy)
1784                return -ENOMEM;
1785
1786#ifdef CONFIG_ATH_DEBUG
1787        debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1788                            sc, &fops_debug);
1789#endif
1790
1791        ath9k_dfs_init_debug(sc);
1792
1793        debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1794                            &fops_dma);
1795        debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1796                            &fops_interrupt);
1797        debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1798                            &fops_xmit);
1799        debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1800                            &fops_queues);
1801        debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1802                           &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1803        debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1804                           &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1805        debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1806                           &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1807        debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1808                           &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1809        debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1810                            &fops_misc);
1811        debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1812                            &fops_reset);
1813        debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1814                            &fops_recv);
1815        debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1816                          &ah->rxchainmask);
1817        debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1818                          &ah->txchainmask);
1819        debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1820                            sc->debug.debugfs_phy, sc, &fops_ani);
1821        debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1822                            &sc->sc_ah->config.enable_paprd);
1823        debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1824                            sc, &fops_regidx);
1825        debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1826                            sc, &fops_regval);
1827        debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1828                            sc->debug.debugfs_phy,
1829                            &ah->config.cwm_ignore_extcca);
1830        debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1831                            &fops_regdump);
1832        debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1833                            &fops_dump_nfcal);
1834        debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1835                            &fops_base_eeprom);
1836        debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1837                            &fops_modal_eeprom);
1838        sc->rfs_chan_spec_scan = relay_open("spectral_scan",
1839                                            sc->debug.debugfs_phy,
1840                                            1024, 256, &rfs_spec_scan_cb,
1841                                            NULL);
1842        debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
1843                            sc->debug.debugfs_phy, sc,
1844                            &fops_spec_scan_ctl);
1845        debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
1846                            sc->debug.debugfs_phy, sc,
1847                            &fops_spectral_short_repeat);
1848        debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
1849                            sc->debug.debugfs_phy, sc, &fops_spectral_count);
1850        debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
1851                            sc->debug.debugfs_phy, sc, &fops_spectral_period);
1852        debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
1853                            sc->debug.debugfs_phy, sc,
1854                            &fops_spectral_fft_period);
1855        debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1856                           sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1857        debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1858                           sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1859        debugfs_create_file("antenna_diversity", S_IRUSR,
1860                            sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1861#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1862        debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1863                            sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1864        debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1865                            &fops_btcoex);
1866#endif
1867        return 0;
1868}
1869