drivers/net/wireless/ath/ath9k/debug.c

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/slab.h>
  18 #include <linux/vmalloc.h>
  19 #include <linux/export.h>
  20 #include <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
  31 static 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
  38 static 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
  46 static 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
  58 static 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
  79 static 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
  92 static 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 += scnprintf(buf + len, size - len, "%s: %s\n",
 108                                  "ANI", "DISABLED");
 109                 goto exit;
 110         }
 111
 112         len += scnprintf(buf + len, size - len, "%15s: %s\n",
 113                          "ANI", "ENABLED");
 114         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 115                          "ANI RESET", ah->stats.ast_ani_reset);
 116         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 117                          "SPUR UP", ah->stats.ast_ani_spurup);
 118         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 119                          "SPUR DOWN", ah->stats.ast_ani_spurup);
 120         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 121                          "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
 122         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 123                          "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
 124         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 125                          "MRC-CCK ON", ah->stats.ast_ani_ccklow);
 126         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 127                          "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
 128         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 129                          "FIR-STEP UP", ah->stats.ast_ani_stepup);
 130         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 131                          "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
 132         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 133                          "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
 134         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 135                          "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
 136         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 137                          "CCK ERRORS", ah->stats.ast_ani_cckerrs);
 138 exit:
 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
 148 static 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
 181 static 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
 191 static 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
 204 static 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);
 232 exit:
 233         return count;
 234 }
 235
 236 static 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
 246 void 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
 260 static 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 += scnprintf(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 += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
 291                          lna_conf_str[div_ant_conf.main_lna_conf]);
 292         len += scnprintf(buf + len, size - len, "Current ALT config  : %s\n",
 293                          lna_conf_str[div_ant_conf.alt_lna_conf]);
 294         len += scnprintf(buf + len, size - len, "Average MAIN RSSI   : %d\n",
 295                          as_main->rssi_avg);
 296         len += scnprintf(buf + len, size - len, "Average ALT RSSI    : %d\n\n",
 297                          as_alt->rssi_avg);
 298         ath9k_ps_restore(sc);
 299
 300         len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
 301         len += scnprintf(buf + len, size - len, "-------------------\n");
 302
 303         len += scnprintf(buf + len, size - len, "%30s%15s\n",
 304                          "MAIN", "ALT");
 305         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 306                          "TOTAL COUNT",
 307                          as_main->recv_cnt,
 308                          as_alt->recv_cnt);
 309         len += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
 327         len += scnprintf(buf + len, size - len, "--------------------\n");
 328
 329         len += scnprintf(buf + len, size - len, "%30s%15s\n",
 330                          "MAIN", "ALT");
 331         len += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(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
 348 exit:
 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
 358 static 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
 365 static 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 += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
 394
 395                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 396                 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 397                                  i, val[i]);
 398         }
 399
 400         len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 401         len += scnprintf(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 += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
 424
 425         len += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 445                          REG_READ_D(ah, AR_OBS_BUS_1));
 446         len += scnprintf(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
 459 static 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
 467 void 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
 520 static 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 += scnprintf(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 += scnprintf(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
 597 static 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
 604 static 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
 651 static 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 += scnprintf(buf + len, size - len, "%s: %d ",
 659                          "qnum", txq->axq_qnum);
 660         len += scnprintf(buf + len, size - len, "%s: %2d ",
 661                          "qdepth", txq->axq_depth);
 662         len += scnprintf(buf + len, size - len, "%s: %2d ",
 663                          "ampdu-depth", txq->axq_ampdu_depth);
 664         len += scnprintf(buf + len, size - len, "%s: %3d ",
 665                          "pending", txq->pending_frames);
 666         len += scnprintf(buf + len, size - len, "%s: %d\n",
 667                          "stopped", txq->stopped);
 668
 669         ath_txq_unlock(sc, txq);
 670         return len;
 671 }
 672
 673 static 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 += scnprintf(buf + len, size - len, "(%s):  ", qname[i]);
 691                 len += print_queue(sc, txq, buf + len, size - len);
 692         }
 693
 694         len += scnprintf(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
 706 static 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 += scnprintf(buf + len, sizeof(buf) - len,
 720                          "BSSID: %pM\n", common->curbssid);
 721         len += scnprintf(buf + len, sizeof(buf) - len,
 722                          "BSSID-MASK: %pM\n", common->bssidmask);
 723         len += scnprintf(buf + len, sizeof(buf) - len,
 724                          "OPMODE: %s\n",
 725                          ath_opmode_to_string(sc->sc_ah->opmode));
 726
 727         ath9k_ps_wakeup(sc);
 728         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 729         ath9k_ps_restore(sc);
 730
 731         len += scnprintf(buf + len, sizeof(buf) - len,
 732                          "RXFILTER: 0x%x", rxfilter);
 733
 734         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 735                 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
 736         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 737                 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
 738         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 739                 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
 740         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 741                 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
 742         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 743                 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
 744         if (rxfilter & ATH9K_RX_FILTER_PROM)
 745                 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
 746         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 747                 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 748         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 749                 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
 750         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 751                 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 752         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 753                 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 754         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 755                 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 756         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 757                 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 758         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 759                 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 760         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 761                 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 762
 763         len += scnprintf(buf + len, sizeof(buf) - len, "\n");
 764
 765         reg = sc->sc_ah->imask;
 766
 767         len += scnprintf(buf + len, sizeof(buf) - len,
 768                          "INTERRUPT-MASK: 0x%x", reg);
 769
 770         if (reg & ATH9K_INT_SWBA)
 771                 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
 772         if (reg & ATH9K_INT_BMISS)
 773                 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
 774         if (reg & ATH9K_INT_CST)
 775                 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
 776         if (reg & ATH9K_INT_RX)
 777                 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
 778         if (reg & ATH9K_INT_RXHP)
 779                 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
 780         if (reg & ATH9K_INT_RXLP)
 781                 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
 782         if (reg & ATH9K_INT_BB_WATCHDOG)
 783                 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 784
 785         len += scnprintf(buf + len, sizeof(buf) - len, "\n");
 786
 787         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 788
 789         len += scnprintf(buf + len, sizeof(buf) - len,
 790                          "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 791                          " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 792                          iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 793                          iter_data.nwds, iter_data.nadhocs,
 794                          sc->nvifs, sc->nbcnvifs);
 795
 796         if (len > sizeof(buf))
 797                 len = sizeof(buf);
 798
 799         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 800         return retval;
 801 }
 802
 803 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 804                                size_t count, loff_t *ppos)
 805 {
 806         struct ath_softc *sc = file->private_data;
 807         char buf[512];
 808         unsigned int len = 0;
 809
 810         len += scnprintf(buf + len, sizeof(buf) - len,
 811                          "%17s: %2d\n", "Baseband Hang",
 812                          sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 813         len += scnprintf(buf + len, sizeof(buf) - len,
 814                          "%17s: %2d\n", "Baseband Watchdog",
 815                          sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 816         len += scnprintf(buf + len, sizeof(buf) - len,
 817                          "%17s: %2d\n", "Fatal HW Error",
 818                          sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 819         len += scnprintf(buf + len, sizeof(buf) - len,
 820                          "%17s: %2d\n", "TX HW error",
 821                          sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 822         len += scnprintf(buf + len, sizeof(buf) - len,
 823                          "%17s: %2d\n", "TX Path Hang",
 824                          sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 825         len += scnprintf(buf + len, sizeof(buf) - len,
 826                          "%17s: %2d\n", "PLL RX Hang",
 827                          sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 828         len += scnprintf(buf + len, sizeof(buf) - len,
 829                          "%17s: %2d\n", "MCI Reset",
 830                          sc->debug.stats.reset[RESET_TYPE_MCI]);
 831
 832         if (len > sizeof(buf))
 833                 len = sizeof(buf);
 834
 835         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 836 }
 837
 838 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 839                        struct ath_tx_status *ts, struct ath_txq *txq,
 840                        unsigned int flags)
 841 {
 842         int qnum = txq->axq_qnum;
 843
 844         TX_STAT_INC(qnum, tx_pkts_all);
 845         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 846
 847         if (bf_isampdu(bf)) {
 848                 if (flags & ATH_TX_ERROR)
 849                         TX_STAT_INC(qnum, a_xretries);
 850                 else
 851                         TX_STAT_INC(qnum, a_completed);
 852         } else {
 853                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 854                         TX_STAT_INC(qnum, xretries);
 855                 else
 856                         TX_STAT_INC(qnum, completed);
 857         }
 858
 859         if (ts->ts_status & ATH9K_TXERR_FILT)
 860                 TX_STAT_INC(qnum, txerr_filtered);
 861         if (ts->ts_status & ATH9K_TXERR_FIFO)
 862                 TX_STAT_INC(qnum, fifo_underrun);
 863         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 864                 TX_STAT_INC(qnum, xtxop);
 865         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 866                 TX_STAT_INC(qnum, timer_exp);
 867         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 868                 TX_STAT_INC(qnum, desc_cfg_err);
 869         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 870                 TX_STAT_INC(qnum, data_underrun);
 871         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 872                 TX_STAT_INC(qnum, delim_underrun);
 873 }
 874
 875 static const struct file_operations fops_xmit = {
 876         .read = read_file_xmit,
 877         .open = simple_open,
 878         .owner = THIS_MODULE,
 879         .llseek = default_llseek,
 880 };
 881
 882 static const struct file_operations fops_queues = {
 883         .read = read_file_queues,
 884         .open = simple_open,
 885         .owner = THIS_MODULE,
 886         .llseek = default_llseek,
 887 };
 888
 889 static const struct file_operations fops_misc = {
 890         .read = read_file_misc,
 891         .open = simple_open,
 892         .owner = THIS_MODULE,
 893         .llseek = default_llseek,
 894 };
 895
 896 static const struct file_operations fops_reset = {
 897         .read = read_file_reset,
 898         .open = simple_open,
 899         .owner = THIS_MODULE,
 900         .llseek = default_llseek,
 901 };
 902
 903 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 904                               size_t count, loff_t *ppos)
 905 {
 906 #define PHY_ERR(s, p) \
 907         len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
 908                          sc->debug.stats.rxstats.phy_err_stats[p]);
 909
 910 #define RXS_ERR(s, e)                                       \
 911         do {                                                \
 912                 len += scnprintf(buf + len, size - len,     \
 913                                  "%22s : %10u\n", s,        \
 914                                  sc->debug.stats.rxstats.e);\
 915         } while (0)
 916
 917         struct ath_softc *sc = file->private_data;
 918         char *buf;
 919         unsigned int len = 0, size = 1600;
 920         ssize_t retval = 0;
 921
 922         buf = kzalloc(size, GFP_KERNEL);
 923         if (buf == NULL)
 924                 return -ENOMEM;
 925
 926         RXS_ERR("CRC ERR", crc_err);
 927         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 928         RXS_ERR("PHY ERR", phy_err);
 929         RXS_ERR("MIC ERR", mic_err);
 930         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 931         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 932         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 933         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 934         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 935         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 936         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 937
 938         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 939         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 940         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 941         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 942         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 943         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 944         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 945         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 946         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 947         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 948         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 949         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 950         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 951         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 952         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 953         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 954         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 955         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 956         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 957         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 958         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 959         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 960         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 961         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 962         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 963         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 964
 965         RXS_ERR("RX-Pkts-All", rx_pkts_all);
 966         RXS_ERR("RX-Bytes-All", rx_bytes_all);
 967         RXS_ERR("RX-Beacons", rx_beacons);
 968         RXS_ERR("RX-Frags", rx_frags);
 969         RXS_ERR("RX-Spectral", rx_spectral);
 970
 971         if (len > size)
 972                 len = size;
 973
 974         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 975         kfree(buf);
 976
 977         return retval;
 978
 979 #undef RXS_ERR
 980 #undef PHY_ERR
 981 }
 982
 983 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 984 {
 985 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 986
 987         RX_STAT_INC(rx_pkts_all);
 988         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 989
 990         if (rs->rs_status & ATH9K_RXERR_CRC)
 991                 RX_STAT_INC(crc_err);
 992         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 993                 RX_STAT_INC(decrypt_crc_err);
 994         if (rs->rs_status & ATH9K_RXERR_MIC)
 995                 RX_STAT_INC(mic_err);
 996         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 997                 RX_STAT_INC(pre_delim_crc_err);
 998         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 999                 RX_STAT_INC(post_delim_crc_err);
1000         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1001                 RX_STAT_INC(decrypt_busy_err);
1002
1003         if (rs->rs_status & ATH9K_RXERR_PHY) {
1004                 RX_STAT_INC(phy_err);
1005                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1006                         RX_PHY_ERR_INC(rs->rs_phyerr);
1007         }
1008
1009 #undef RX_PHY_ERR_INC
1010 }
1011
1012 static const struct file_operations fops_recv = {
1013         .read = read_file_recv,
1014         .open = simple_open,
1015         .owner = THIS_MODULE,
1016         .llseek = default_llseek,
1017 };
1018
1019 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
1020                                        size_t count, loff_t *ppos)
1021 {
1022         struct ath_softc *sc = file->private_data;
1023         char *mode = "";
1024         unsigned int len;
1025
1026         switch (sc->spectral_mode) {
1027         case SPECTRAL_DISABLED:
1028                 mode = "disable";
1029                 break;
1030         case SPECTRAL_BACKGROUND:
1031                 mode = "background";
1032                 break;
1033         case SPECTRAL_CHANSCAN:
1034                 mode = "chanscan";
1035                 break;
1036         case SPECTRAL_MANUAL:
1037                 mode = "manual";
1038                 break;
1039         }
1040         len = strlen(mode);
1041         return simple_read_from_buffer(user_buf, count, ppos, mode, len);
1042 }
1043
1044 static ssize_t write_file_spec_scan_ctl(struct file *file,
1045                                         const char __user *user_buf,
1046                                         size_t count, loff_t *ppos)
1047 {
1048         struct ath_softc *sc = file->private_data;
1049         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1050         char buf[32];
1051         ssize_t len;
1052
1053         if (config_enabled(CONFIG_ATH9K_TX99))
1054                 return -EOPNOTSUPP;
1055
1056         len = min(count, sizeof(buf) - 1);
1057         if (copy_from_user(buf, user_buf, len))
1058                 return -EFAULT;
1059
1060         buf[len] = '\0';
1061
1062         if (strncmp("trigger", buf, 7) == 0) {
1063                 ath9k_spectral_scan_trigger(sc->hw);
1064         } else if (strncmp("background", buf, 9) == 0) {
1065                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
1066                 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
1067         } else if (strncmp("chanscan", buf, 8) == 0) {
1068                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
1069                 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
1070         } else if (strncmp("manual", buf, 6) == 0) {
1071                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
1072                 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
1073         } else if (strncmp("disable", buf, 7) == 0) {
1074                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
1075                 ath_dbg(common, CONFIG, "spectral scan: disabled\n");
1076         } else {
1077                 return -EINVAL;
1078         }
1079
1080         return count;
1081 }
1082
1083 static const struct file_operations fops_spec_scan_ctl = {
1084         .read = read_file_spec_scan_ctl,
1085         .write = write_file_spec_scan_ctl,
1086         .open = simple_open,
1087         .owner = THIS_MODULE,
1088         .llseek = default_llseek,
1089 };
1090
1091 static ssize_t read_file_spectral_short_repeat(struct file *file,
1092                                                char __user *user_buf,
1093                                                size_t count, loff_t *ppos)
1094 {
1095         struct ath_softc *sc = file->private_data;
1096         char buf[32];
1097         unsigned int len;
1098
1099         len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
1100         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1101 }
1102
1103 static ssize_t write_file_spectral_short_repeat(struct file *file,
1104                                                 const char __user *user_buf,
1105                                                 size_t count, loff_t *ppos)
1106 {
1107         struct ath_softc *sc = file->private_data;
1108         unsigned long val;
1109         char buf[32];
1110         ssize_t len;
1111
1112         len = min(count, sizeof(buf) - 1);
1113         if (copy_from_user(buf, user_buf, len))
1114                 return -EFAULT;
1115
1116         buf[len] = '\0';
1117         if (kstrtoul(buf, 0, &val))
1118                 return -EINVAL;
1119
1120         if (val < 0 || val > 1)
1121                 return -EINVAL;
1122
1123         sc->spec_config.short_repeat = val;
1124         return count;
1125 }
1126
1127 static const struct file_operations fops_spectral_short_repeat = {
1128         .read = read_file_spectral_short_repeat,
1129         .write = write_file_spectral_short_repeat,
1130         .open = simple_open,
1131         .owner = THIS_MODULE,
1132         .llseek = default_llseek,
1133 };
1134
1135 static ssize_t read_file_spectral_count(struct file *file,
1136                                         char __user *user_buf,
1137                                         size_t count, loff_t *ppos)
1138 {
1139         struct ath_softc *sc = file->private_data;
1140         char buf[32];
1141         unsigned int len;
1142
1143         len = sprintf(buf, "%d\n", sc->spec_config.count);
1144         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1145 }
1146
1147 static ssize_t write_file_spectral_count(struct file *file,
1148                                          const char __user *user_buf,
1149                                          size_t count, loff_t *ppos)
1150 {
1151         struct ath_softc *sc = file->private_data;
1152         unsigned long val;
1153         char buf[32];
1154         ssize_t len;
1155
1156         len = min(count, sizeof(buf) - 1);
1157         if (copy_from_user(buf, user_buf, len))
1158                 return -EFAULT;
1159
1160         buf[len] = '\0';
1161         if (kstrtoul(buf, 0, &val))
1162                 return -EINVAL;
1163
1164         if (val < 0 || val > 255)
1165                 return -EINVAL;
1166
1167         sc->spec_config.count = val;
1168         return count;
1169 }
1170
1171 static const struct file_operations fops_spectral_count = {
1172         .read = read_file_spectral_count,
1173         .write = write_file_spectral_count,
1174         .open = simple_open,
1175         .owner = THIS_MODULE,
1176         .llseek = default_llseek,
1177 };
1178
1179 static ssize_t read_file_spectral_period(struct file *file,
1180                                          char __user *user_buf,
1181                                          size_t count, loff_t *ppos)
1182 {
1183         struct ath_softc *sc = file->private_data;
1184         char buf[32];
1185         unsigned int len;
1186
1187         len = sprintf(buf, "%d\n", sc->spec_config.period);
1188         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1189 }
1190
1191 static ssize_t write_file_spectral_period(struct file *file,
1192                                           const char __user *user_buf,
1193                                           size_t count, loff_t *ppos)
1194 {
1195         struct ath_softc *sc = file->private_data;
1196         unsigned long val;
1197         char buf[32];
1198         ssize_t len;
1199
1200         len = min(count, sizeof(buf) - 1);
1201         if (copy_from_user(buf, user_buf, len))
1202                 return -EFAULT;
1203
1204         buf[len] = '\0';
1205         if (kstrtoul(buf, 0, &val))
1206                 return -EINVAL;
1207
1208         if (val < 0 || val > 255)
1209                 return -EINVAL;
1210
1211         sc->spec_config.period = val;
1212         return count;
1213 }
1214
1215 static const struct file_operations fops_spectral_period = {
1216         .read = read_file_spectral_period,
1217         .write = write_file_spectral_period,
1218         .open = simple_open,
1219         .owner = THIS_MODULE,
1220         .llseek = default_llseek,
1221 };
1222
1223 static ssize_t read_file_spectral_fft_period(struct file *file,
1224                                              char __user *user_buf,
1225                                              size_t count, loff_t *ppos)
1226 {
1227         struct ath_softc *sc = file->private_data;
1228         char buf[32];
1229         unsigned int len;
1230
1231         len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
1232         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1233 }
1234
1235 static ssize_t write_file_spectral_fft_period(struct file *file,
1236                                               const char __user *user_buf,
1237                                               size_t count, loff_t *ppos)
1238 {
1239         struct ath_softc *sc = file->private_data;
1240         unsigned long val;
1241         char buf[32];
1242         ssize_t len;
1243
1244         len = min(count, sizeof(buf) - 1);
1245         if (copy_from_user(buf, user_buf, len))
1246                 return -EFAULT;
1247
1248         buf[len] = '\0';
1249         if (kstrtoul(buf, 0, &val))
1250                 return -EINVAL;
1251
1252         if (val < 0 || val > 15)
1253                 return -EINVAL;
1254
1255         sc->spec_config.fft_period = val;
1256         return count;
1257 }
1258
1259 static const struct file_operations fops_spectral_fft_period = {
1260         .read = read_file_spectral_fft_period,
1261         .write = write_file_spectral_fft_period,
1262         .open = simple_open,
1263         .owner = THIS_MODULE,
1264         .llseek = default_llseek,
1265 };
1266
1267 static struct dentry *create_buf_file_handler(const char *filename,
1268                                               struct dentry *parent,
1269                                               umode_t mode,
1270                                               struct rchan_buf *buf,
1271                                               int *is_global)
1272 {
1273         struct dentry *buf_file;
1274
1275         buf_file = debugfs_create_file(filename, mode, parent, buf,
1276                                        &relay_file_operations);
1277         *is_global = 1;
1278         return buf_file;
1279 }
1280
1281 static int remove_buf_file_handler(struct dentry *dentry)
1282 {
1283         debugfs_remove(dentry);
1284
1285         return 0;
1286 }
1287
1288 void ath_debug_send_fft_sample(struct ath_softc *sc,
1289                                struct fft_sample_tlv *fft_sample_tlv)
1290 {
1291         int length;
1292         if (!sc->rfs_chan_spec_scan)
1293                 return;
1294
1295         length = __be16_to_cpu(fft_sample_tlv->length) +
1296                  sizeof(*fft_sample_tlv);
1297         relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
1298 }
1299
1300 static struct rchan_callbacks rfs_spec_scan_cb = {
1301         .create_buf_file = create_buf_file_handler,
1302         .remove_buf_file = remove_buf_file_handler,
1303 };
1304
1305
1306 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1307                                 size_t count, loff_t *ppos)
1308 {
1309         struct ath_softc *sc = file->private_data;
1310         char buf[32];
1311         unsigned int len;
1312
1313         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1314         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1315 }
1316
1317 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1318                              size_t count, loff_t *ppos)
1319 {
1320         struct ath_softc *sc = file->private_data;
1321         unsigned long regidx;
1322         char buf[32];
1323         ssize_t len;
1324
1325         len = min(count, sizeof(buf) - 1);
1326         if (copy_from_user(buf, user_buf, len))
1327                 return -EFAULT;
1328
1329         buf[len] = '\0';
1330         if (kstrtoul(buf, 0, &regidx))
1331                 return -EINVAL;
1332
1333         sc->debug.regidx = regidx;
1334         return count;
1335 }
1336
1337 static const struct file_operations fops_regidx = {
1338         .read = read_file_regidx,
1339         .write = write_file_regidx,
1340         .open = simple_open,
1341         .owner = THIS_MODULE,
1342         .llseek = default_llseek,
1343 };
1344
1345 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1346                              size_t count, loff_t *ppos)
1347 {
1348         struct ath_softc *sc = file->private_data;
1349         struct ath_hw *ah = sc->sc_ah;
1350         char buf[32];
1351         unsigned int len;
1352         u32 regval;
1353
1354         ath9k_ps_wakeup(sc);
1355         regval = REG_READ_D(ah, sc->debug.regidx);
1356         ath9k_ps_restore(sc);
1357         len = sprintf(buf, "0x%08x\n", regval);
1358         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1359 }
1360
1361 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1362                              size_t count, loff_t *ppos)
1363 {
1364         struct ath_softc *sc = file->private_data;
1365         struct ath_hw *ah = sc->sc_ah;
1366         unsigned long regval;
1367         char buf[32];
1368         ssize_t len;
1369
1370         len = min(count, sizeof(buf) - 1);
1371         if (copy_from_user(buf, user_buf, len))
1372                 return -EFAULT;
1373
1374         buf[len] = '\0';
1375         if (kstrtoul(buf, 0, &regval))
1376                 return -EINVAL;
1377
1378         ath9k_ps_wakeup(sc);
1379         REG_WRITE_D(ah, sc->debug.regidx, regval);
1380         ath9k_ps_restore(sc);
1381         return count;
1382 }
1383
1384 static const struct file_operations fops_regval = {
1385         .read = read_file_regval,
1386         .write = write_file_regval,
1387         .open = simple_open,
1388         .owner = THIS_MODULE,
1389         .llseek = default_llseek,
1390 };
1391
1392 #define REGDUMP_LINE_SIZE       20
1393
1394 static int open_file_regdump(struct inode *inode, struct file *file)
1395 {
1396         struct ath_softc *sc = inode->i_private;
1397         unsigned int len = 0;
1398         u8 *buf;
1399         int i;
1400         unsigned long num_regs, regdump_len, max_reg_offset;
1401
1402         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1403         num_regs = max_reg_offset / 4 + 1;
1404         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1405         buf = vmalloc(regdump_len);
1406         if (!buf)
1407                 return -ENOMEM;
1408
1409         ath9k_ps_wakeup(sc);
1410         for (i = 0; i < num_regs; i++)
1411                 len += scnprintf(buf + len, regdump_len - len,
1412                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1413         ath9k_ps_restore(sc);
1414
1415         file->private_data = buf;
1416
1417         return 0;
1418 }
1419
1420 static const struct file_operations fops_regdump = {
1421         .open = open_file_regdump,
1422         .read = ath9k_debugfs_read_buf,
1423         .release = ath9k_debugfs_release_buf,
1424         .owner = THIS_MODULE,
1425         .llseek = default_llseek,/* read accesses f_pos */
1426 };
1427
1428 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1429                                     size_t count, loff_t *ppos)
1430 {
1431         struct ath_softc *sc = file->private_data;
1432         struct ath_hw *ah = sc->sc_ah;
1433         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1434         struct ath_common *common = ath9k_hw_common(ah);
1435         struct ieee80211_conf *conf = &common->hw->conf;
1436         u32 len = 0, size = 1500;
1437         u32 i, j;
1438         ssize_t retval = 0;
1439         char *buf;
1440         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1441         u8 nread;
1442
1443         buf = kzalloc(size, GFP_KERNEL);
1444         if (!buf)
1445                 return -ENOMEM;
1446
1447         len += scnprintf(buf + len, size - len,
1448                          "Channel Noise Floor : %d\n", ah->noise);
1449         len += scnprintf(buf + len, size - len,
1450                          "Chain | privNF | # Readings | NF Readings\n");
1451         for (i = 0; i < NUM_NF_READINGS; i++) {
1452                 if (!(chainmask & (1 << i)) ||
1453                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1454                         continue;
1455
1456                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1457                 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1458                                  i, h[i].privNF, nread);
1459                 for (j = 0; j < nread; j++)
1460                         len += scnprintf(buf + len, size - len,
1461                                          " %d", h[i].nfCalBuffer[j]);
1462                 len += scnprintf(buf + len, size - len, "\n");
1463         }
1464
1465         if (len > size)
1466                 len = size;
1467
1468         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1469         kfree(buf);
1470
1471         return retval;
1472 }
1473
1474 static const struct file_operations fops_dump_nfcal = {
1475         .read = read_file_dump_nfcal,
1476         .open = simple_open,
1477         .owner = THIS_MODULE,
1478         .llseek = default_llseek,
1479 };
1480
1481 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1482                                      size_t count, loff_t *ppos)
1483 {
1484         struct ath_softc *sc = file->private_data;
1485         struct ath_hw *ah = sc->sc_ah;
1486         u32 len = 0, size = 1500;
1487         ssize_t retval = 0;
1488         char *buf;
1489
1490         buf = kzalloc(size, GFP_KERNEL);
1491         if (!buf)
1492                 return -ENOMEM;
1493
1494         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1495
1496         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1497         kfree(buf);
1498
1499         return retval;
1500 }
1501
1502 static const struct file_operations fops_base_eeprom = {
1503         .read = read_file_base_eeprom,
1504         .open = simple_open,
1505         .owner = THIS_MODULE,
1506         .llseek = default_llseek,
1507 };
1508
1509 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1510                                       size_t count, loff_t *ppos)
1511 {
1512         struct ath_softc *sc = file->private_data;
1513         struct ath_hw *ah = sc->sc_ah;
1514         u32 len = 0, size = 6000;
1515         char *buf;
1516         size_t retval;
1517
1518         buf = kzalloc(size, GFP_KERNEL);
1519         if (buf == NULL)
1520                 return -ENOMEM;
1521
1522         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1523
1524         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1525         kfree(buf);
1526
1527         return retval;
1528 }
1529
1530 static const struct file_operations fops_modal_eeprom = {
1531         .read = read_file_modal_eeprom,
1532         .open = simple_open,
1533         .owner = THIS_MODULE,
1534         .llseek = default_llseek,
1535 };
1536
1537 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1538 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1539                                 size_t count, loff_t *ppos)
1540 {
1541         struct ath_softc *sc = file->private_data;
1542         u32 len = 0, size = 1500;
1543         char *buf;
1544         size_t retval;
1545
1546         buf = kzalloc(size, GFP_KERNEL);
1547         if (buf == NULL)
1548                 return -ENOMEM;
1549
1550         if (!sc->sc_ah->common.btcoex_enabled) {
1551                 len = scnprintf(buf, size, "%s\n",
1552                                 "BTCOEX is disabled");
1553                 goto exit;
1554         }
1555
1556         len = ath9k_dump_btcoex(sc, buf, size);
1557 exit:
1558         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1559         kfree(buf);
1560
1561         return retval;
1562 }
1563
1564 static const struct file_operations fops_btcoex = {
1565         .read = read_file_btcoex,
1566         .open = simple_open,
1567         .owner = THIS_MODULE,
1568         .llseek = default_llseek,
1569 };
1570 #endif
1571
1572 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1573                                    size_t count, loff_t *ppos)
1574 {
1575         struct ath_node *an = file->private_data;
1576         struct ath_softc *sc = an->sc;
1577         struct ath_atx_tid *tid;
1578         struct ath_atx_ac *ac;
1579         struct ath_txq *txq;
1580         u32 len = 0, size = 4096;
1581         char *buf;
1582         size_t retval;
1583         int tidno, acno;
1584
1585         buf = kzalloc(size, GFP_KERNEL);
1586         if (buf == NULL)
1587                 return -ENOMEM;
1588
1589         if (!an->sta->ht_cap.ht_supported) {
1590                 len = scnprintf(buf, size, "%s\n",
1591                                 "HT not supported");
1592                 goto exit;
1593         }
1594
1595         len = scnprintf(buf, size, "Max-AMPDU: %d\n",
1596                         an->maxampdu);
1597         len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1598                          an->mpdudensity);
1599
1600         len += scnprintf(buf + len, size - len,
1601                          "%2s%7s\n", "AC", "SCHED");
1602
1603         for (acno = 0, ac = &an->ac[acno];
1604              acno < IEEE80211_NUM_ACS; acno++, ac++) {
1605                 txq = ac->txq;
1606                 ath_txq_lock(sc, txq);
1607                 len += scnprintf(buf + len, size - len,
1608                                  "%2d%7d\n",
1609                                  acno, ac->sched);
1610                 ath_txq_unlock(sc, txq);
1611         }
1612
1613         len += scnprintf(buf + len, size - len,
1614                          "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1615                          "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1616                          "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1617
1618         for (tidno = 0, tid = &an->tid[tidno];
1619              tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1620                 txq = tid->ac->txq;
1621                 ath_txq_lock(sc, txq);
1622                 len += scnprintf(buf + len, size - len,
1623                                  "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1624                                  tid->tidno, tid->seq_start, tid->seq_next,
1625                                  tid->baw_size, tid->baw_head, tid->baw_tail,
1626                                  tid->bar_index, tid->sched, tid->paused);
1627                 ath_txq_unlock(sc, txq);
1628         }
1629 exit:
1630         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1631         kfree(buf);
1632
1633         return retval;
1634 }
1635
1636 static const struct file_operations fops_node_stat = {
1637         .read = read_file_node_stat,
1638         .open = simple_open,
1639         .owner = THIS_MODULE,
1640         .llseek = default_llseek,
1641 };
1642
1643 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1644                            struct ieee80211_vif *vif,
1645                            struct ieee80211_sta *sta,
1646                            struct dentry *dir)
1647 {
1648         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1649         debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat);
1650 }
1651
1652 /* Ethtool support for get-stats */
1653
1654 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1655 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1656         "tx_pkts_nic",
1657         "tx_bytes_nic",
1658         "rx_pkts_nic",
1659         "rx_bytes_nic",
1660         AMKSTR(d_tx_pkts),
1661         AMKSTR(d_tx_bytes),
1662         AMKSTR(d_tx_mpdus_queued),
1663         AMKSTR(d_tx_mpdus_completed),
1664         AMKSTR(d_tx_mpdu_xretries),
1665         AMKSTR(d_tx_aggregates),
1666         AMKSTR(d_tx_ampdus_queued_hw),
1667         AMKSTR(d_tx_ampdus_queued_sw),
1668         AMKSTR(d_tx_ampdus_completed),
1669         AMKSTR(d_tx_ampdu_retries),
1670         AMKSTR(d_tx_ampdu_xretries),
1671         AMKSTR(d_tx_fifo_underrun),
1672         AMKSTR(d_tx_op_exceeded),
1673         AMKSTR(d_tx_timer_expiry),
1674         AMKSTR(d_tx_desc_cfg_err),
1675         AMKSTR(d_tx_data_underrun),
1676         AMKSTR(d_tx_delim_underrun),
1677         "d_rx_crc_err",
1678         "d_rx_decrypt_crc_err",
1679         "d_rx_phy_err",
1680         "d_rx_mic_err",
1681         "d_rx_pre_delim_crc_err",
1682         "d_rx_post_delim_crc_err",
1683         "d_rx_decrypt_busy_err",
1684
1685         "d_rx_phyerr_radar",
1686         "d_rx_phyerr_ofdm_timing",
1687         "d_rx_phyerr_cck_timing",
1688
1689 };
1690 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1691
1692 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1693                           struct ieee80211_vif *vif,
1694                           u32 sset, u8 *data)
1695 {
1696         if (sset == ETH_SS_STATS)
1697                 memcpy(data, *ath9k_gstrings_stats,
1698                        sizeof(ath9k_gstrings_stats));
1699 }
1700
1701 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1702                             struct ieee80211_vif *vif, int sset)
1703 {
1704         if (sset == ETH_SS_STATS)
1705                 return ATH9K_SSTATS_LEN;
1706         return 0;
1707 }
1708
1709 #define AWDATA(elem)                                                    \
1710         do {                                                            \
1711                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1712                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1713                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1714                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1715         } while (0)
1716
1717 #define AWDATA_RX(elem)                                         \
1718         do {                                                    \
1719                 data[i++] = sc->debug.stats.rxstats.elem;       \
1720         } while (0)
1721
1722 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1723                         struct ieee80211_vif *vif,
1724                         struct ethtool_stats *stats, u64 *data)
1725 {
1726         struct ath_softc *sc = hw->priv;
1727         int i = 0;
1728
1729         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1730                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1731                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1732                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1733         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1734                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1735                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1736                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1737         AWDATA_RX(rx_pkts_all);
1738         AWDATA_RX(rx_bytes_all);
1739
1740         AWDATA(tx_pkts_all);
1741         AWDATA(tx_bytes_all);
1742         AWDATA(queued);
1743         AWDATA(completed);
1744         AWDATA(xretries);
1745         AWDATA(a_aggr);
1746         AWDATA(a_queued_hw);
1747         AWDATA(a_queued_sw);
1748         AWDATA(a_completed);
1749         AWDATA(a_retries);
1750         AWDATA(a_xretries);
1751         AWDATA(fifo_underrun);
1752         AWDATA(xtxop);
1753         AWDATA(timer_exp);
1754         AWDATA(desc_cfg_err);
1755         AWDATA(data_underrun);
1756         AWDATA(delim_underrun);
1757
1758         AWDATA_RX(crc_err);
1759         AWDATA_RX(decrypt_crc_err);
1760         AWDATA_RX(phy_err);
1761         AWDATA_RX(mic_err);
1762         AWDATA_RX(pre_delim_crc_err);
1763         AWDATA_RX(post_delim_crc_err);
1764         AWDATA_RX(decrypt_busy_err);
1765
1766         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1767         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1768         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1769
1770         WARN_ON(i != ATH9K_SSTATS_LEN);
1771 }
1772
1773 void ath9k_deinit_debug(struct ath_softc *sc)
1774 {
1775         if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
1776                 relay_close(sc->rfs_chan_spec_scan);
1777                 sc->rfs_chan_spec_scan = NULL;
1778         }
1779 }
1780
1781 static ssize_t read_file_tx99(struct file *file, char __user *user_buf,
1782                               size_t count, loff_t *ppos)
1783 {
1784         struct ath_softc *sc = file->private_data;
1785         char buf[3];
1786         unsigned int len;
1787
1788         len = sprintf(buf, "%d\n", sc->tx99_state);
1789         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1790 }
1791
1792 static ssize_t write_file_tx99(struct file *file, const char __user *user_buf,
1793                                size_t count, loff_t *ppos)
1794 {
1795         struct ath_softc *sc = file->private_data;
1796         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1797         char buf[32];
1798         bool start;
1799         ssize_t len;
1800         int r;
1801
1802         if (sc->nvifs > 1)
1803                 return -EOPNOTSUPP;
1804
1805         len = min(count, sizeof(buf) - 1);
1806         if (copy_from_user(buf, user_buf, len))
1807                 return -EFAULT;
1808
1809         if (strtobool(buf, &start))
1810                 return -EINVAL;
1811
1812         if (start == sc->tx99_state) {
1813                 if (!start)
1814                         return count;
1815                 ath_dbg(common, XMIT, "Resetting TX99\n");
1816                 ath9k_tx99_deinit(sc);
1817         }
1818
1819         if (!start) {
1820                 ath9k_tx99_deinit(sc);
1821                 return count;
1822         }
1823
1824         r = ath9k_tx99_init(sc);
1825         if (r)
1826                 return r;
1827
1828         return count;
1829 }
1830
1831 static const struct file_operations fops_tx99 = {
1832         .read = read_file_tx99,
1833         .write = write_file_tx99,
1834         .open = simple_open,
1835         .owner = THIS_MODULE,
1836         .llseek = default_llseek,
1837 };
1838
1839 static ssize_t read_file_tx99_power(struct file *file,
1840                                     char __user *user_buf,
1841                                     size_t count, loff_t *ppos)
1842 {
1843         struct ath_softc *sc = file->private_data;
1844         char buf[32];
1845         unsigned int len;
1846
1847         len = sprintf(buf, "%d (%d dBm)\n",
1848                       sc->tx99_power,
1849                       sc->tx99_power / 2);
1850
1851         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1852 }
1853
1854 static ssize_t write_file_tx99_power(struct file *file,
1855                                      const char __user *user_buf,
1856                                      size_t count, loff_t *ppos)
1857 {
1858         struct ath_softc *sc = file->private_data;
1859         int r;
1860         u8 tx_power;
1861
1862         r = kstrtou8_from_user(user_buf, count, 0, &tx_power);
1863         if (r)
1864                 return r;
1865
1866         if (tx_power > MAX_RATE_POWER)
1867                 return -EINVAL;
1868
1869         sc->tx99_power = tx_power;
1870
1871         ath9k_ps_wakeup(sc);
1872         ath9k_hw_tx99_set_txpower(sc->sc_ah, sc->tx99_power);
1873         ath9k_ps_restore(sc);
1874
1875         return count;
1876 }
1877
1878 static const struct file_operations fops_tx99_power = {
1879         .read = read_file_tx99_power,
1880         .write = write_file_tx99_power,
1881         .open = simple_open,
1882         .owner = THIS_MODULE,
1883         .llseek = default_llseek,
1884 };
1885
1886 int ath9k_init_debug(struct ath_hw *ah)
1887 {
1888         struct ath_common *common = ath9k_hw_common(ah);
1889         struct ath_softc *sc = (struct ath_softc *) common->priv;
1890
1891         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1892                                                    sc->hw->wiphy->debugfsdir);
1893         if (!sc->debug.debugfs_phy)
1894                 return -ENOMEM;
1895
1896 #ifdef CONFIG_ATH_DEBUG
1897         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1898                             sc, &fops_debug);
1899 #endif
1900
1901         ath9k_dfs_init_debug(sc);
1902
1903         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1904                             &fops_dma);
1905         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1906                             &fops_interrupt);
1907         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1908                             &fops_xmit);
1909         debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1910                             &fops_queues);
1911         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1912                            &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1913         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1914                            &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1915         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1916                            &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1917         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1918                            &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1919         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1920                             &fops_misc);
1921         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1922                             &fops_reset);
1923         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1924                             &fops_recv);
1925         debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1926                           &ah->rxchainmask);
1927         debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1928                           &ah->txchainmask);
1929         debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1930                             sc->debug.debugfs_phy, sc, &fops_ani);
1931         debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1932                             &sc->sc_ah->config.enable_paprd);
1933         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1934                             sc, &fops_regidx);
1935         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1936                             sc, &fops_regval);
1937         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1938                             sc->debug.debugfs_phy,
1939                             &ah->config.cwm_ignore_extcca);
1940         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1941                             &fops_regdump);
1942         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1943                             &fops_dump_nfcal);
1944         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1945                             &fops_base_eeprom);
1946         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1947                             &fops_modal_eeprom);
1948         sc->rfs_chan_spec_scan = relay_open("spectral_scan",
1949                                             sc->debug.debugfs_phy,
1950                                             1024, 256, &rfs_spec_scan_cb,
1951                                             NULL);
1952         debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
1953                             sc->debug.debugfs_phy, sc,
1954                             &fops_spec_scan_ctl);
1955         debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
1956                             sc->debug.debugfs_phy, sc,
1957                             &fops_spectral_short_repeat);
1958         debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
1959                             sc->debug.debugfs_phy, sc, &fops_spectral_count);
1960         debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
1961                             sc->debug.debugfs_phy, sc, &fops_spectral_period);
1962         debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
1963                             sc->debug.debugfs_phy, sc,
1964                             &fops_spectral_fft_period);
1965         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1966                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1967         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1968                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1969         debugfs_create_file("antenna_diversity", S_IRUSR,
1970                             sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1971 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1972         debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1973                             sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1974         debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1975                             &fops_btcoex);
1976 #endif
1977         if (config_enabled(CONFIG_ATH9K_TX99) &&
1978             AR_SREV_9300_20_OR_LATER(ah)) {
1979                 debugfs_create_file("tx99", S_IRUSR | S_IWUSR,
1980                                     sc->debug.debugfs_phy, sc,
1981                                     &fops_tx99);
1982                 debugfs_create_file("tx99_power", S_IRUSR | S_IWUSR,
1983                                     sc->debug.debugfs_phy, sc,
1984                                     &fops_tx99_power);
1985         }
1986
1987         return 0;
1988 }