drivers/net/wireless/ath/ath5k/debug.c

   1 /*
   2  * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
   3  *
   4  *  This file is free software: you may copy, redistribute and/or modify it
   5  *  under the terms of the GNU General Public License as published by the
   6  *  Free Software Foundation, either version 2 of the License, or (at your
   7  *  option) any later version.
   8  *
   9  *  This file is distributed in the hope that it will be useful, but
  10  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  *
  18  * This file incorporates work covered by the following copyright and
  19  * permission notice:
  20  *
  21  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  22  * Copyright (c) 2004-2005 Atheros Communications, Inc.
  23  * Copyright (c) 2006 Devicescape Software, Inc.
  24  * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
  25  * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
  26  *
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer,
  34  *    without modification.
  35  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  36  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  37  *    redistribution must be conditioned upon including a substantially
  38  *    similar Disclaimer requirement for further binary redistribution.
  39  * 3. Neither the names of the above-listed copyright holders nor the names
  40  *    of any contributors may be used to endorse or promote products derived
  41  *    from this software without specific prior written permission.
  42  *
  43  * Alternatively, this software may be distributed under the terms of the
  44  * GNU General Public License ("GPL") version 2 as published by the Free
  45  * Software Foundation.
  46  *
  47  * NO WARRANTY
  48  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  49  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  50  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  51  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  52  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  53  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  54  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  55  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  56  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  57  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  58  * THE POSSIBILITY OF SUCH DAMAGES.
  59  */
  60
  61 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  62
  63 #include <linux/export.h>
  64 #include <linux/moduleparam.h>
  65
  66 #include <linux/seq_file.h>
  67 #include <linux/list.h>
  68 #include "debug.h"
  69 #include "ath5k.h"
  70 #include "reg.h"
  71 #include "base.h"
  72
  73 static unsigned int ath5k_debug;
  74 module_param_named(debug, ath5k_debug, uint, 0);
  75
  76
  77 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  78 {
  79         file->private_data = inode->i_private;
  80         return 0;
  81 }
  82
  83
  84 /* debugfs: registers */
  85
  86 struct reg {
  87         const char *name;
  88         int addr;
  89 };
  90
  91 #define REG_STRUCT_INIT(r) { #r, r }
  92
  93 /* just a few random registers, might want to add more */
  94 static const struct reg regs[] = {
  95         REG_STRUCT_INIT(AR5K_CR),
  96         REG_STRUCT_INIT(AR5K_RXDP),
  97         REG_STRUCT_INIT(AR5K_CFG),
  98         REG_STRUCT_INIT(AR5K_IER),
  99         REG_STRUCT_INIT(AR5K_BCR),
 100         REG_STRUCT_INIT(AR5K_RTSD0),
 101         REG_STRUCT_INIT(AR5K_RTSD1),
 102         REG_STRUCT_INIT(AR5K_TXCFG),
 103         REG_STRUCT_INIT(AR5K_RXCFG),
 104         REG_STRUCT_INIT(AR5K_RXJLA),
 105         REG_STRUCT_INIT(AR5K_MIBC),
 106         REG_STRUCT_INIT(AR5K_TOPS),
 107         REG_STRUCT_INIT(AR5K_RXNOFRM),
 108         REG_STRUCT_INIT(AR5K_TXNOFRM),
 109         REG_STRUCT_INIT(AR5K_RPGTO),
 110         REG_STRUCT_INIT(AR5K_RFCNT),
 111         REG_STRUCT_INIT(AR5K_MISC),
 112         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 113         REG_STRUCT_INIT(AR5K_ISR),
 114         REG_STRUCT_INIT(AR5K_PISR),
 115         REG_STRUCT_INIT(AR5K_SISR0),
 116         REG_STRUCT_INIT(AR5K_SISR1),
 117         REG_STRUCT_INIT(AR5K_SISR2),
 118         REG_STRUCT_INIT(AR5K_SISR3),
 119         REG_STRUCT_INIT(AR5K_SISR4),
 120         REG_STRUCT_INIT(AR5K_IMR),
 121         REG_STRUCT_INIT(AR5K_PIMR),
 122         REG_STRUCT_INIT(AR5K_SIMR0),
 123         REG_STRUCT_INIT(AR5K_SIMR1),
 124         REG_STRUCT_INIT(AR5K_SIMR2),
 125         REG_STRUCT_INIT(AR5K_SIMR3),
 126         REG_STRUCT_INIT(AR5K_SIMR4),
 127         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 128         REG_STRUCT_INIT(AR5K_DCCFG),
 129         REG_STRUCT_INIT(AR5K_CCFG),
 130         REG_STRUCT_INIT(AR5K_CPC0),
 131         REG_STRUCT_INIT(AR5K_CPC1),
 132         REG_STRUCT_INIT(AR5K_CPC2),
 133         REG_STRUCT_INIT(AR5K_CPC3),
 134         REG_STRUCT_INIT(AR5K_CPCOVF),
 135         REG_STRUCT_INIT(AR5K_RESET_CTL),
 136         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 137         REG_STRUCT_INIT(AR5K_INTPEND),
 138         REG_STRUCT_INIT(AR5K_SFR),
 139         REG_STRUCT_INIT(AR5K_PCICFG),
 140         REG_STRUCT_INIT(AR5K_GPIOCR),
 141         REG_STRUCT_INIT(AR5K_GPIODO),
 142         REG_STRUCT_INIT(AR5K_SREV),
 143 };
 144
 145 static void *reg_start(struct seq_file *seq, loff_t *pos)
 146 {
 147         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 148 }
 149
 150 static void reg_stop(struct seq_file *seq, void *p)
 151 {
 152         /* nothing to do */
 153 }
 154
 155 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 156 {
 157         ++*pos;
 158         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 159 }
 160
 161 static int reg_show(struct seq_file *seq, void *p)
 162 {
 163         struct ath5k_hw *ah = seq->private;
 164         struct reg *r = p;
 165         seq_printf(seq, "%-25s0x%08x\n", r->name,
 166                 ath5k_hw_reg_read(ah, r->addr));
 167         return 0;
 168 }
 169
 170 static const struct seq_operations register_seq_ops = {
 171         .start = reg_start,
 172         .next  = reg_next,
 173         .stop  = reg_stop,
 174         .show  = reg_show
 175 };
 176
 177 static int open_file_registers(struct inode *inode, struct file *file)
 178 {
 179         struct seq_file *s;
 180         int res;
 181         res = seq_open(file, &register_seq_ops);
 182         if (res == 0) {
 183                 s = file->private_data;
 184                 s->private = inode->i_private;
 185         }
 186         return res;
 187 }
 188
 189 static const struct file_operations fops_registers = {
 190         .open = open_file_registers,
 191         .read    = seq_read,
 192         .llseek  = seq_lseek,
 193         .release = seq_release,
 194         .owner = THIS_MODULE,
 195 };
 196
 197
 198 /* debugfs: beacons */
 199
 200 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 201                                    size_t count, loff_t *ppos)
 202 {
 203         struct ath5k_hw *ah = file->private_data;
 204         char buf[500];
 205         unsigned int len = 0;
 206         unsigned int v;
 207         u64 tsf;
 208
 209         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 210         len += snprintf(buf + len, sizeof(buf) - len,
 211                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 212                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 213                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 214
 215         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 216                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 217
 218         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 219                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 220
 221         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 222         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 223                 "AR5K_TIMER0 (TBTT)", v, v);
 224
 225         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 226         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 227                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 228
 229         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 230         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 231                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 232
 233         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 234         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 235                 "AR5K_TIMER3 (ATIM)", v, v);
 236
 237         tsf = ath5k_hw_get_tsf64(ah);
 238         len += snprintf(buf + len, sizeof(buf) - len,
 239                 "TSF\t\t0x%016llx\tTU: %08x\n",
 240                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 241
 242         if (len > sizeof(buf))
 243                 len = sizeof(buf);
 244
 245         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 246 }
 247
 248 static ssize_t write_file_beacon(struct file *file,
 249                                  const char __user *userbuf,
 250                                  size_t count, loff_t *ppos)
 251 {
 252         struct ath5k_hw *ah = file->private_data;
 253         char buf[20];
 254
 255         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 256                 return -EFAULT;
 257
 258         if (strncmp(buf, "disable", 7) == 0) {
 259                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 pr_info("debugfs disable beacons\n");
 261         } else if (strncmp(buf, "enable", 6) == 0) {
 262                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 263                 pr_info("debugfs enable beacons\n");
 264         }
 265         return count;
 266 }
 267
 268 static const struct file_operations fops_beacon = {
 269         .read = read_file_beacon,
 270         .write = write_file_beacon,
 271         .open = ath5k_debugfs_open,
 272         .owner = THIS_MODULE,
 273         .llseek = default_llseek,
 274 };
 275
 276
 277 /* debugfs: reset */
 278
 279 static ssize_t write_file_reset(struct file *file,
 280                                  const char __user *userbuf,
 281                                  size_t count, loff_t *ppos)
 282 {
 283         struct ath5k_hw *ah = file->private_data;
 284         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 285         ieee80211_queue_work(ah->hw, &ah->reset_work);
 286         return count;
 287 }
 288
 289 static const struct file_operations fops_reset = {
 290         .write = write_file_reset,
 291         .open = ath5k_debugfs_open,
 292         .owner = THIS_MODULE,
 293         .llseek = noop_llseek,
 294 };
 295
 296
 297 /* debugfs: debug level */
 298
 299 static const struct {
 300         enum ath5k_debug_level level;
 301         const char *name;
 302         const char *desc;
 303 } dbg_info[] = {
 304         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 305         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 306         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 307         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 308         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 309         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 310         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 311         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 312         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 313         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 314         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 315         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 316         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 317 };
 318
 319 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 320                                    size_t count, loff_t *ppos)
 321 {
 322         struct ath5k_hw *ah = file->private_data;
 323         char buf[700];
 324         unsigned int len = 0;
 325         unsigned int i;
 326
 327         len += snprintf(buf + len, sizeof(buf) - len,
 328                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 329
 330         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 331                 len += snprintf(buf + len, sizeof(buf) - len,
 332                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 333                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 334                         dbg_info[i].level, dbg_info[i].desc);
 335         }
 336         len += snprintf(buf + len, sizeof(buf) - len,
 337                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 338                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 339                 dbg_info[i].level, dbg_info[i].desc);
 340
 341         if (len > sizeof(buf))
 342                 len = sizeof(buf);
 343
 344         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 345 }
 346
 347 static ssize_t write_file_debug(struct file *file,
 348                                  const char __user *userbuf,
 349                                  size_t count, loff_t *ppos)
 350 {
 351         struct ath5k_hw *ah = file->private_data;
 352         unsigned int i;
 353         char buf[20];
 354
 355         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 356                 return -EFAULT;
 357
 358         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 359                 if (strncmp(buf, dbg_info[i].name,
 360                                         strlen(dbg_info[i].name)) == 0) {
 361                         ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 362                         break;
 363                 }
 364         }
 365         return count;
 366 }
 367
 368 static const struct file_operations fops_debug = {
 369         .read = read_file_debug,
 370         .write = write_file_debug,
 371         .open = ath5k_debugfs_open,
 372         .owner = THIS_MODULE,
 373         .llseek = default_llseek,
 374 };
 375
 376
 377 /* debugfs: antenna */
 378
 379 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 380                                    size_t count, loff_t *ppos)
 381 {
 382         struct ath5k_hw *ah = file->private_data;
 383         char buf[700];
 384         unsigned int len = 0;
 385         unsigned int i;
 386         unsigned int v;
 387
 388         len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 389                 ah->ah_ant_mode);
 390         len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 391                 ah->ah_def_ant);
 392         len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 393                 ah->ah_tx_ant);
 394
 395         len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 396         for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 397                 len += snprintf(buf + len, sizeof(buf) - len,
 398                         "[antenna %d]\t%d\t%d\n",
 399                         i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 400         }
 401         len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 402                         ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 403
 404         v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
 405         len += snprintf(buf + len, sizeof(buf) - len,
 406                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 407
 408         v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 409         len += snprintf(buf + len, sizeof(buf) - len,
 410                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 411                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 412         len += snprintf(buf + len, sizeof(buf) - len,
 413                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 414                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 415         len += snprintf(buf + len, sizeof(buf) - len,
 416                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 417                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 418         len += snprintf(buf + len, sizeof(buf) - len,
 419                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 420                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 421
 422         v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
 423         len += snprintf(buf + len, sizeof(buf) - len,
 424                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 425                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 426
 427         v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
 428         len += snprintf(buf + len, sizeof(buf) - len,
 429                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 430                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 431
 432         v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
 433         len += snprintf(buf + len, sizeof(buf) - len,
 434                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 435                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 436
 437         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 438         len += snprintf(buf + len, sizeof(buf) - len,
 439                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 440         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 441         len += snprintf(buf + len, sizeof(buf) - len,
 442                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 443
 444         if (len > sizeof(buf))
 445                 len = sizeof(buf);
 446
 447         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 448 }
 449
 450 static ssize_t write_file_antenna(struct file *file,
 451                                  const char __user *userbuf,
 452                                  size_t count, loff_t *ppos)
 453 {
 454         struct ath5k_hw *ah = file->private_data;
 455         unsigned int i;
 456         char buf[20];
 457
 458         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 459                 return -EFAULT;
 460
 461         if (strncmp(buf, "diversity", 9) == 0) {
 462                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 463                 pr_info("debug: enable diversity\n");
 464         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 465                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 466                 pr_info("debug: fixed antenna A\n");
 467         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 468                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 469                 pr_info("debug: fixed antenna B\n");
 470         } else if (strncmp(buf, "clear", 5) == 0) {
 471                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 472                         ah->stats.antenna_rx[i] = 0;
 473                         ah->stats.antenna_tx[i] = 0;
 474                 }
 475                 pr_info("debug: cleared antenna stats\n");
 476         }
 477         return count;
 478 }
 479
 480 static const struct file_operations fops_antenna = {
 481         .read = read_file_antenna,
 482         .write = write_file_antenna,
 483         .open = ath5k_debugfs_open,
 484         .owner = THIS_MODULE,
 485         .llseek = default_llseek,
 486 };
 487
 488 /* debugfs: misc */
 489
 490 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 491                                    size_t count, loff_t *ppos)
 492 {
 493         struct ath5k_hw *ah = file->private_data;
 494         char buf[700];
 495         unsigned int len = 0;
 496         u32 filt = ath5k_hw_get_rx_filter(ah);
 497
 498         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 499                         ah->bssidmask);
 500         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 501                         filt);
 502         if (filt & AR5K_RX_FILTER_UCAST)
 503                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 504         if (filt & AR5K_RX_FILTER_MCAST)
 505                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 506         if (filt & AR5K_RX_FILTER_BCAST)
 507                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 508         if (filt & AR5K_RX_FILTER_CONTROL)
 509                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 510         if (filt & AR5K_RX_FILTER_BEACON)
 511                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 512         if (filt & AR5K_RX_FILTER_PROM)
 513                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 514         if (filt & AR5K_RX_FILTER_XRPOLL)
 515                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 516         if (filt & AR5K_RX_FILTER_PROBEREQ)
 517                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 518         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 519                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 520         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 521                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 522         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 523                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 524         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 525                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 526
 527         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 528                         ath_opmode_to_string(ah->opmode), ah->opmode);
 529
 530         if (len > sizeof(buf))
 531                 len = sizeof(buf);
 532
 533         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 534 }
 535
 536 static const struct file_operations fops_misc = {
 537         .read = read_file_misc,
 538         .open = ath5k_debugfs_open,
 539         .owner = THIS_MODULE,
 540 };
 541
 542
 543 /* debugfs: frameerrors */
 544
 545 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 546                                    size_t count, loff_t *ppos)
 547 {
 548         struct ath5k_hw *ah = file->private_data;
 549         struct ath5k_statistics *st = &ah->stats;
 550         char buf[700];
 551         unsigned int len = 0;
 552         int i;
 553
 554         len += snprintf(buf + len, sizeof(buf) - len,
 555                         "RX\n---------------------\n");
 556         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 557                         st->rxerr_crc,
 558                         st->rx_all_count > 0 ?
 559                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 560         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 561                         st->rxerr_phy,
 562                         st->rx_all_count > 0 ?
 563                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 564         for (i = 0; i < 32; i++) {
 565                 if (st->rxerr_phy_code[i])
 566                         len += snprintf(buf + len, sizeof(buf) - len,
 567                                 " phy_err[%u]\t%u\n",
 568                                 i, st->rxerr_phy_code[i]);
 569         }
 570
 571         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 572                         st->rxerr_fifo,
 573                         st->rx_all_count > 0 ?
 574                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 575         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 576                         st->rxerr_decrypt,
 577                         st->rx_all_count > 0 ?
 578                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 579         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 580                         st->rxerr_mic,
 581                         st->rx_all_count > 0 ?
 582                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 583         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 584                         st->rxerr_proc,
 585                         st->rx_all_count > 0 ?
 586                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 587         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 588                         st->rxerr_jumbo,
 589                         st->rx_all_count > 0 ?
 590                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 591         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 592                         st->rx_all_count);
 593         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 594                         st->rx_bytes_count);
 595
 596         len += snprintf(buf + len, sizeof(buf) - len,
 597                         "\nTX\n---------------------\n");
 598         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 599                         st->txerr_retry,
 600                         st->tx_all_count > 0 ?
 601                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 602         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 603                         st->txerr_fifo,
 604                         st->tx_all_count > 0 ?
 605                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 606         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 607                         st->txerr_filt,
 608                         st->tx_all_count > 0 ?
 609                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 610         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 611                         st->tx_all_count);
 612         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 613                         st->tx_bytes_count);
 614
 615         if (len > sizeof(buf))
 616                 len = sizeof(buf);
 617
 618         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 619 }
 620
 621 static ssize_t write_file_frameerrors(struct file *file,
 622                                  const char __user *userbuf,
 623                                  size_t count, loff_t *ppos)
 624 {
 625         struct ath5k_hw *ah = file->private_data;
 626         struct ath5k_statistics *st = &ah->stats;
 627         char buf[20];
 628
 629         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 630                 return -EFAULT;
 631
 632         if (strncmp(buf, "clear", 5) == 0) {
 633                 st->rxerr_crc = 0;
 634                 st->rxerr_phy = 0;
 635                 st->rxerr_fifo = 0;
 636                 st->rxerr_decrypt = 0;
 637                 st->rxerr_mic = 0;
 638                 st->rxerr_proc = 0;
 639                 st->rxerr_jumbo = 0;
 640                 st->rx_all_count = 0;
 641                 st->txerr_retry = 0;
 642                 st->txerr_fifo = 0;
 643                 st->txerr_filt = 0;
 644                 st->tx_all_count = 0;
 645                 pr_info("debug: cleared frameerrors stats\n");
 646         }
 647         return count;
 648 }
 649
 650 static const struct file_operations fops_frameerrors = {
 651         .read = read_file_frameerrors,
 652         .write = write_file_frameerrors,
 653         .open = ath5k_debugfs_open,
 654         .owner = THIS_MODULE,
 655         .llseek = default_llseek,
 656 };
 657
 658
 659 /* debugfs: ani */
 660
 661 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 662                                    size_t count, loff_t *ppos)
 663 {
 664         struct ath5k_hw *ah = file->private_data;
 665         struct ath5k_statistics *st = &ah->stats;
 666         struct ath5k_ani_state *as = &ah->ani_state;
 667
 668         char buf[700];
 669         unsigned int len = 0;
 670
 671         len += snprintf(buf + len, sizeof(buf) - len,
 672                         "HW has PHY error counters:\t%s\n",
 673                         ah->ah_capabilities.cap_has_phyerr_counters ?
 674                         "yes" : "no");
 675         len += snprintf(buf + len, sizeof(buf) - len,
 676                         "HW max spur immunity level:\t%d\n",
 677                         as->max_spur_level);
 678         len += snprintf(buf + len, sizeof(buf) - len,
 679                 "\nANI state\n--------------------------------------------\n");
 680         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 681         switch (as->ani_mode) {
 682         case ATH5K_ANI_MODE_OFF:
 683                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 684                 break;
 685         case ATH5K_ANI_MODE_MANUAL_LOW:
 686                 len += snprintf(buf + len, sizeof(buf) - len,
 687                         "MANUAL LOW\n");
 688                 break;
 689         case ATH5K_ANI_MODE_MANUAL_HIGH:
 690                 len += snprintf(buf + len, sizeof(buf) - len,
 691                         "MANUAL HIGH\n");
 692                 break;
 693         case ATH5K_ANI_MODE_AUTO:
 694                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 695                 break;
 696         default:
 697                 len += snprintf(buf + len, sizeof(buf) - len,
 698                         "??? (not good)\n");
 699                 break;
 700         }
 701         len += snprintf(buf + len, sizeof(buf) - len,
 702                         "noise immunity level:\t\t%d\n",
 703                         as->noise_imm_level);
 704         len += snprintf(buf + len, sizeof(buf) - len,
 705                         "spur immunity level:\t\t%d\n",
 706                         as->spur_level);
 707         len += snprintf(buf + len, sizeof(buf) - len,
 708                         "firstep level:\t\t\t%d\n",
 709                         as->firstep_level);
 710         len += snprintf(buf + len, sizeof(buf) - len,
 711                         "OFDM weak signal detection:\t%s\n",
 712                         as->ofdm_weak_sig ? "on" : "off");
 713         len += snprintf(buf + len, sizeof(buf) - len,
 714                         "CCK weak signal detection:\t%s\n",
 715                         as->cck_weak_sig ? "on" : "off");
 716
 717         len += snprintf(buf + len, sizeof(buf) - len,
 718                         "\nMIB INTERRUPTS:\t\t%u\n",
 719                         st->mib_intr);
 720         len += snprintf(buf + len, sizeof(buf) - len,
 721                         "beacon RSSI average:\t%d\n",
 722                         (int)ewma_read(&ah->ah_beacon_rssi_avg));
 723
 724 #define CC_PRINT(_struct, _field) \
 725         _struct._field, \
 726         _struct.cycles > 0 ? \
 727         _struct._field * 100 / _struct.cycles : 0
 728
 729         len += snprintf(buf + len, sizeof(buf) - len,
 730                         "profcnt tx\t\t%u\t(%d%%)\n",
 731                         CC_PRINT(as->last_cc, tx_frame));
 732         len += snprintf(buf + len, sizeof(buf) - len,
 733                         "profcnt rx\t\t%u\t(%d%%)\n",
 734                         CC_PRINT(as->last_cc, rx_frame));
 735         len += snprintf(buf + len, sizeof(buf) - len,
 736                         "profcnt busy\t\t%u\t(%d%%)\n",
 737                         CC_PRINT(as->last_cc, rx_busy));
 738 #undef CC_PRINT
 739         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 740                         as->last_cc.cycles);
 741         len += snprintf(buf + len, sizeof(buf) - len,
 742                         "listen time\t\t%d\tlast: %d\n",
 743                         as->listen_time, as->last_listen);
 744         len += snprintf(buf + len, sizeof(buf) - len,
 745                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 746                         as->ofdm_errors, as->last_ofdm_errors,
 747                         as->sum_ofdm_errors);
 748         len += snprintf(buf + len, sizeof(buf) - len,
 749                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 750                         as->cck_errors, as->last_cck_errors,
 751                         as->sum_cck_errors);
 752         len += snprintf(buf + len, sizeof(buf) - len,
 753                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 754                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 755                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 756                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 757         len += snprintf(buf + len, sizeof(buf) - len,
 758                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 759                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 760                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 761                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 762
 763         if (len > sizeof(buf))
 764                 len = sizeof(buf);
 765
 766         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 767 }
 768
 769 static ssize_t write_file_ani(struct file *file,
 770                                  const char __user *userbuf,
 771                                  size_t count, loff_t *ppos)
 772 {
 773         struct ath5k_hw *ah = file->private_data;
 774         char buf[20];
 775
 776         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 777                 return -EFAULT;
 778
 779         if (strncmp(buf, "sens-low", 8) == 0) {
 780                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 781         } else if (strncmp(buf, "sens-high", 9) == 0) {
 782                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 783         } else if (strncmp(buf, "ani-off", 7) == 0) {
 784                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 785         } else if (strncmp(buf, "ani-on", 6) == 0) {
 786                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 787         } else if (strncmp(buf, "noise-low", 9) == 0) {
 788                 ath5k_ani_set_noise_immunity_level(ah, 0);
 789         } else if (strncmp(buf, "noise-high", 10) == 0) {
 790                 ath5k_ani_set_noise_immunity_level(ah,
 791                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 792         } else if (strncmp(buf, "spur-low", 8) == 0) {
 793                 ath5k_ani_set_spur_immunity_level(ah, 0);
 794         } else if (strncmp(buf, "spur-high", 9) == 0) {
 795                 ath5k_ani_set_spur_immunity_level(ah,
 796                                                   ah->ani_state.max_spur_level);
 797         } else if (strncmp(buf, "fir-low", 7) == 0) {
 798                 ath5k_ani_set_firstep_level(ah, 0);
 799         } else if (strncmp(buf, "fir-high", 8) == 0) {
 800                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 801         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 802                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 803         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 804                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 805         } else if (strncmp(buf, "cck-off", 7) == 0) {
 806                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 807         } else if (strncmp(buf, "cck-on", 6) == 0) {
 808                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 809         }
 810         return count;
 811 }
 812
 813 static const struct file_operations fops_ani = {
 814         .read = read_file_ani,
 815         .write = write_file_ani,
 816         .open = ath5k_debugfs_open,
 817         .owner = THIS_MODULE,
 818         .llseek = default_llseek,
 819 };
 820
 821
 822 /* debugfs: queues etc */
 823
 824 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 825                                    size_t count, loff_t *ppos)
 826 {
 827         struct ath5k_hw *ah = file->private_data;
 828         char buf[700];
 829         unsigned int len = 0;
 830
 831         struct ath5k_txq *txq;
 832         struct ath5k_buf *bf, *bf0;
 833         int i, n;
 834
 835         len += snprintf(buf + len, sizeof(buf) - len,
 836                         "available txbuffers: %d\n", ah->txbuf_len);
 837
 838         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 839                 txq = &ah->txqs[i];
 840
 841                 len += snprintf(buf + len, sizeof(buf) - len,
 842                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 843
 844                 if (!txq->setup)
 845                         continue;
 846
 847                 n = 0;
 848                 spin_lock_bh(&txq->lock);
 849                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 850                         n++;
 851                 spin_unlock_bh(&txq->lock);
 852
 853                 len += snprintf(buf + len, sizeof(buf) - len,
 854                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 855                 len += snprintf(buf + len, sizeof(buf) - len,
 856                                 "  stuck: %d\n", txq->txq_stuck);
 857         }
 858
 859         if (len > sizeof(buf))
 860                 len = sizeof(buf);
 861
 862         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 863 }
 864
 865 static ssize_t write_file_queue(struct file *file,
 866                                  const char __user *userbuf,
 867                                  size_t count, loff_t *ppos)
 868 {
 869         struct ath5k_hw *ah = file->private_data;
 870         char buf[20];
 871
 872         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 873                 return -EFAULT;
 874
 875         if (strncmp(buf, "start", 5) == 0)
 876                 ieee80211_wake_queues(ah->hw);
 877         else if (strncmp(buf, "stop", 4) == 0)
 878                 ieee80211_stop_queues(ah->hw);
 879
 880         return count;
 881 }
 882
 883
 884 static const struct file_operations fops_queue = {
 885         .read = read_file_queue,
 886         .write = write_file_queue,
 887         .open = ath5k_debugfs_open,
 888         .owner = THIS_MODULE,
 889         .llseek = default_llseek,
 890 };
 891
 892
 893 void
 894 ath5k_debug_init_device(struct ath5k_hw *ah)
 895 {
 896         struct dentry *phydir;
 897
 898         ah->debug.level = ath5k_debug;
 899
 900         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
 901         if (!phydir)
 902                 return;
 903
 904         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
 905                             &fops_debug);
 906
 907         debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
 908
 909         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
 910                             &fops_beacon);
 911
 912         debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
 913
 914         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
 915                             &fops_antenna);
 916
 917         debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
 918
 919         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
 920                             &fops_frameerrors);
 921
 922         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
 923
 924         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
 925                             &fops_queue);
 926
 927         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
 928                             &ah->ah_use_32khz_clock);
 929 }
 930
 931 /* functions used in other places */
 932
 933 void
 934 ath5k_debug_dump_bands(struct ath5k_hw *ah)
 935 {
 936         unsigned int b, i;
 937
 938         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 939                 return;
 940
 941         BUG_ON(!ah->sbands);
 942
 943         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 944                 struct ieee80211_supported_band *band = &ah->sbands[b];
 945                 char bname[6];
 946                 switch (band->band) {
 947                 case IEEE80211_BAND_2GHZ:
 948                         strcpy(bname, "2 GHz");
 949                         break;
 950                 case IEEE80211_BAND_5GHZ:
 951                         strcpy(bname, "5 GHz");
 952                         break;
 953                 default:
 954                         printk(KERN_DEBUG "Band not supported: %d\n",
 955                                 band->band);
 956                         return;
 957                 }
 958                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 959                                 band->n_channels, band->n_bitrates);
 960                 printk(KERN_DEBUG " channels:\n");
 961                 for (i = 0; i < band->n_channels; i++)
 962                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 963                                         ieee80211_frequency_to_channel(
 964                                                 band->channels[i].center_freq),
 965                                         band->channels[i].center_freq,
 966                                         band->channels[i].hw_value,
 967                                         band->channels[i].flags);
 968                 printk(KERN_DEBUG " rates:\n");
 969                 for (i = 0; i < band->n_bitrates; i++)
 970                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 971                                         band->bitrates[i].bitrate,
 972                                         band->bitrates[i].hw_value,
 973                                         band->bitrates[i].flags,
 974                                         band->bitrates[i].hw_value_short);
 975         }
 976 }
 977
 978 static inline void
 979 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 980                        struct ath5k_rx_status *rs)
 981 {
 982         struct ath5k_desc *ds = bf->desc;
 983         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 984
 985         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 986                 ds, (unsigned long long)bf->daddr,
 987                 ds->ds_link, ds->ds_data,
 988                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 989                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
 990                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 991 }
 992
 993 void
 994 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
 995 {
 996         struct ath5k_desc *ds;
 997         struct ath5k_buf *bf;
 998         struct ath5k_rx_status rs = {};
 999         int status;
1000
1001         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1002                 return;
1003
1004         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1005                 ath5k_hw_get_rxdp(ah), ah->rxlink);
1006
1007         spin_lock_bh(&ah->rxbuflock);
1008         list_for_each_entry(bf, &ah->rxbuf, list) {
1009                 ds = bf->desc;
1010                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1011                 if (!status)
1012                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1013         }
1014         spin_unlock_bh(&ah->rxbuflock);
1015 }
1016
1017 void
1018 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1019 {
1020         struct ath5k_desc *ds = bf->desc;
1021         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1022         struct ath5k_tx_status ts = {};
1023         int done;
1024
1025         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1026                 return;
1027
1028         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1029
1030         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1031                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1032                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1033                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1034                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1035                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1036 }