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 #include "base.h"
  62 #include "debug.h"
  63
  64 static unsigned int ath5k_debug;
  65 module_param_named(debug, ath5k_debug, uint, 0);
  66
  67
  68 #ifdef CONFIG_ATH5K_DEBUG
  69
  70 #include <linux/seq_file.h>
  71 #include "reg.h"
  72 #include "ani.h"
  73
  74 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  75 {
  76         file->private_data = inode->i_private;
  77         return 0;
  78 }
  79
  80
  81 /* debugfs: registers */
  82
  83 struct reg {
  84         const char *name;
  85         int addr;
  86 };
  87
  88 #define REG_STRUCT_INIT(r) { #r, r }
  89
  90 /* just a few random registers, might want to add more */
  91 static const struct reg regs[] = {
  92         REG_STRUCT_INIT(AR5K_CR),
  93         REG_STRUCT_INIT(AR5K_RXDP),
  94         REG_STRUCT_INIT(AR5K_CFG),
  95         REG_STRUCT_INIT(AR5K_IER),
  96         REG_STRUCT_INIT(AR5K_BCR),
  97         REG_STRUCT_INIT(AR5K_RTSD0),
  98         REG_STRUCT_INIT(AR5K_RTSD1),
  99         REG_STRUCT_INIT(AR5K_TXCFG),
 100         REG_STRUCT_INIT(AR5K_RXCFG),
 101         REG_STRUCT_INIT(AR5K_RXJLA),
 102         REG_STRUCT_INIT(AR5K_MIBC),
 103         REG_STRUCT_INIT(AR5K_TOPS),
 104         REG_STRUCT_INIT(AR5K_RXNOFRM),
 105         REG_STRUCT_INIT(AR5K_TXNOFRM),
 106         REG_STRUCT_INIT(AR5K_RPGTO),
 107         REG_STRUCT_INIT(AR5K_RFCNT),
 108         REG_STRUCT_INIT(AR5K_MISC),
 109         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 110         REG_STRUCT_INIT(AR5K_ISR),
 111         REG_STRUCT_INIT(AR5K_PISR),
 112         REG_STRUCT_INIT(AR5K_SISR0),
 113         REG_STRUCT_INIT(AR5K_SISR1),
 114         REG_STRUCT_INIT(AR5K_SISR2),
 115         REG_STRUCT_INIT(AR5K_SISR3),
 116         REG_STRUCT_INIT(AR5K_SISR4),
 117         REG_STRUCT_INIT(AR5K_IMR),
 118         REG_STRUCT_INIT(AR5K_PIMR),
 119         REG_STRUCT_INIT(AR5K_SIMR0),
 120         REG_STRUCT_INIT(AR5K_SIMR1),
 121         REG_STRUCT_INIT(AR5K_SIMR2),
 122         REG_STRUCT_INIT(AR5K_SIMR3),
 123         REG_STRUCT_INIT(AR5K_SIMR4),
 124         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 125         REG_STRUCT_INIT(AR5K_DCCFG),
 126         REG_STRUCT_INIT(AR5K_CCFG),
 127         REG_STRUCT_INIT(AR5K_CPC0),
 128         REG_STRUCT_INIT(AR5K_CPC1),
 129         REG_STRUCT_INIT(AR5K_CPC2),
 130         REG_STRUCT_INIT(AR5K_CPC3),
 131         REG_STRUCT_INIT(AR5K_CPCOVF),
 132         REG_STRUCT_INIT(AR5K_RESET_CTL),
 133         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 134         REG_STRUCT_INIT(AR5K_INTPEND),
 135         REG_STRUCT_INIT(AR5K_SFR),
 136         REG_STRUCT_INIT(AR5K_PCICFG),
 137         REG_STRUCT_INIT(AR5K_GPIOCR),
 138         REG_STRUCT_INIT(AR5K_GPIODO),
 139         REG_STRUCT_INIT(AR5K_SREV),
 140 };
 141
 142 static void *reg_start(struct seq_file *seq, loff_t *pos)
 143 {
 144         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 145 }
 146
 147 static void reg_stop(struct seq_file *seq, void *p)
 148 {
 149         /* nothing to do */
 150 }
 151
 152 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 153 {
 154         ++*pos;
 155         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 156 }
 157
 158 static int reg_show(struct seq_file *seq, void *p)
 159 {
 160         struct ath5k_softc *sc = seq->private;
 161         struct reg *r = p;
 162         seq_printf(seq, "%-25s0x%08x\n", r->name,
 163                 ath5k_hw_reg_read(sc->ah, r->addr));
 164         return 0;
 165 }
 166
 167 static const struct seq_operations register_seq_ops = {
 168         .start = reg_start,
 169         .next  = reg_next,
 170         .stop  = reg_stop,
 171         .show  = reg_show
 172 };
 173
 174 static int open_file_registers(struct inode *inode, struct file *file)
 175 {
 176         struct seq_file *s;
 177         int res;
 178         res = seq_open(file, &register_seq_ops);
 179         if (res == 0) {
 180                 s = file->private_data;
 181                 s->private = inode->i_private;
 182         }
 183         return res;
 184 }
 185
 186 static const struct file_operations fops_registers = {
 187         .open = open_file_registers,
 188         .read    = seq_read,
 189         .llseek  = seq_lseek,
 190         .release = seq_release,
 191         .owner = THIS_MODULE,
 192 };
 193
 194
 195 /* debugfs: beacons */
 196
 197 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 198                                    size_t count, loff_t *ppos)
 199 {
 200         struct ath5k_softc *sc = file->private_data;
 201         struct ath5k_hw *ah = sc->ah;
 202         char buf[500];
 203         unsigned int len = 0;
 204         unsigned int v;
 205         u64 tsf;
 206
 207         v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
 208         len += snprintf(buf + len, sizeof(buf) - len,
 209                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 210                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 211                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 212
 213         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 214                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
 215
 216         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 217                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
 218
 219         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
 220         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 221                 "AR5K_TIMER0 (TBTT)", v, v);
 222
 223         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
 224         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 225                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 226
 227         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
 228         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 229                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 230
 231         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
 232         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 233                 "AR5K_TIMER3 (ATIM)", v, v);
 234
 235         tsf = ath5k_hw_get_tsf64(sc->ah);
 236         len += snprintf(buf + len, sizeof(buf) - len,
 237                 "TSF\t\t0x%016llx\tTU: %08x\n",
 238                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 239
 240         if (len > sizeof(buf))
 241                 len = sizeof(buf);
 242
 243         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 244 }
 245
 246 static ssize_t write_file_beacon(struct file *file,
 247                                  const char __user *userbuf,
 248                                  size_t count, loff_t *ppos)
 249 {
 250         struct ath5k_softc *sc = file->private_data;
 251         struct ath5k_hw *ah = sc->ah;
 252         char buf[20];
 253
 254         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 255                 return -EFAULT;
 256
 257         if (strncmp(buf, "disable", 7) == 0) {
 258                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 259                 printk(KERN_INFO "debugfs disable beacons\n");
 260         } else if (strncmp(buf, "enable", 6) == 0) {
 261                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 262                 printk(KERN_INFO "debugfs enable beacons\n");
 263         }
 264         return count;
 265 }
 266
 267 static const struct file_operations fops_beacon = {
 268         .read = read_file_beacon,
 269         .write = write_file_beacon,
 270         .open = ath5k_debugfs_open,
 271         .owner = THIS_MODULE,
 272         .llseek = default_llseek,
 273 };
 274
 275
 276 /* debugfs: reset */
 277
 278 static ssize_t write_file_reset(struct file *file,
 279                                  const char __user *userbuf,
 280                                  size_t count, loff_t *ppos)
 281 {
 282         struct ath5k_softc *sc = file->private_data;
 283         ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 284         ieee80211_queue_work(sc->hw, &sc->reset_work);
 285         return count;
 286 }
 287
 288 static const struct file_operations fops_reset = {
 289         .write = write_file_reset,
 290         .open = ath5k_debugfs_open,
 291         .owner = THIS_MODULE,
 292         .llseek = noop_llseek,
 293 };
 294
 295
 296 /* debugfs: debug level */
 297
 298 static const struct {
 299         enum ath5k_debug_level level;
 300         const char *name;
 301         const char *desc;
 302 } dbg_info[] = {
 303         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 304         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 305         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 306         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 307         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 308         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 309         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 310         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 311         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 312         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 313         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 314         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 315         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 316 };
 317
 318 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 319                                    size_t count, loff_t *ppos)
 320 {
 321         struct ath5k_softc *sc = file->private_data;
 322         char buf[700];
 323         unsigned int len = 0;
 324         unsigned int i;
 325
 326         len += snprintf(buf + len, sizeof(buf) - len,
 327                 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
 328
 329         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 330                 len += snprintf(buf + len, sizeof(buf) - len,
 331                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 332                         sc->debug.level & dbg_info[i].level ? '+' : ' ',
 333                         dbg_info[i].level, dbg_info[i].desc);
 334         }
 335         len += snprintf(buf + len, sizeof(buf) - len,
 336                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 337                 sc->debug.level == dbg_info[i].level ? '+' : ' ',
 338                 dbg_info[i].level, dbg_info[i].desc);
 339
 340         if (len > sizeof(buf))
 341                 len = sizeof(buf);
 342
 343         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 344 }
 345
 346 static ssize_t write_file_debug(struct file *file,
 347                                  const char __user *userbuf,
 348                                  size_t count, loff_t *ppos)
 349 {
 350         struct ath5k_softc *sc = file->private_data;
 351         unsigned int i;
 352         char buf[20];
 353
 354         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 355                 return -EFAULT;
 356
 357         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 358                 if (strncmp(buf, dbg_info[i].name,
 359                                         strlen(dbg_info[i].name)) == 0) {
 360                         sc->debug.level ^= dbg_info[i].level; /* toggle bit */
 361                         break;
 362                 }
 363         }
 364         return count;
 365 }
 366
 367 static const struct file_operations fops_debug = {
 368         .read = read_file_debug,
 369         .write = write_file_debug,
 370         .open = ath5k_debugfs_open,
 371         .owner = THIS_MODULE,
 372         .llseek = default_llseek,
 373 };
 374
 375
 376 /* debugfs: antenna */
 377
 378 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 379                                    size_t count, loff_t *ppos)
 380 {
 381         struct ath5k_softc *sc = file->private_data;
 382         char buf[700];
 383         unsigned int len = 0;
 384         unsigned int i;
 385         unsigned int v;
 386
 387         len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 388                 sc->ah->ah_ant_mode);
 389         len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 390                 sc->ah->ah_def_ant);
 391         len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 392                 sc->ah->ah_tx_ant);
 393
 394         len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 395         for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 396                 len += snprintf(buf + len, sizeof(buf) - len,
 397                         "[antenna %d]\t%d\t%d\n",
 398                         i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
 399         }
 400         len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 401                         sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
 402
 403         v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
 404         len += snprintf(buf + len, sizeof(buf) - len,
 405                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 406
 407         v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
 408         len += snprintf(buf + len, sizeof(buf) - len,
 409                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 410                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 411         len += snprintf(buf + len, sizeof(buf) - len,
 412                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 413                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 414         len += snprintf(buf + len, sizeof(buf) - len,
 415                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 416                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 417         len += snprintf(buf + len, sizeof(buf) - len,
 418                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 419                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 420
 421         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
 422         len += snprintf(buf + len, sizeof(buf) - len,
 423                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 424                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 425
 426         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
 427         len += snprintf(buf + len, sizeof(buf) - len,
 428                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 429                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 430
 431         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
 432         len += snprintf(buf + len, sizeof(buf) - len,
 433                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 434                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 435
 436         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 437         len += snprintf(buf + len, sizeof(buf) - len,
 438                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 439         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 440         len += snprintf(buf + len, sizeof(buf) - len,
 441                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 442
 443         if (len > sizeof(buf))
 444                 len = sizeof(buf);
 445
 446         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 447 }
 448
 449 static ssize_t write_file_antenna(struct file *file,
 450                                  const char __user *userbuf,
 451                                  size_t count, loff_t *ppos)
 452 {
 453         struct ath5k_softc *sc = file->private_data;
 454         unsigned int i;
 455         char buf[20];
 456
 457         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 458                 return -EFAULT;
 459
 460         if (strncmp(buf, "diversity", 9) == 0) {
 461                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
 462                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 463         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 464                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
 465                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 466         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 467                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
 468                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 469         } else if (strncmp(buf, "clear", 5) == 0) {
 470                 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 471                         sc->stats.antenna_rx[i] = 0;
 472                         sc->stats.antenna_tx[i] = 0;
 473                 }
 474                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 475         }
 476         return count;
 477 }
 478
 479 static const struct file_operations fops_antenna = {
 480         .read = read_file_antenna,
 481         .write = write_file_antenna,
 482         .open = ath5k_debugfs_open,
 483         .owner = THIS_MODULE,
 484         .llseek = default_llseek,
 485 };
 486
 487 /* debugfs: misc */
 488
 489 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 490                                    size_t count, loff_t *ppos)
 491 {
 492         struct ath5k_softc *sc = file->private_data;
 493         char buf[700];
 494         unsigned int len = 0;
 495         u32 filt = ath5k_hw_get_rx_filter(sc->ah);
 496
 497         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 498                         sc->bssidmask);
 499         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 500                         filt);
 501         if (filt & AR5K_RX_FILTER_UCAST)
 502                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 503         if (filt & AR5K_RX_FILTER_MCAST)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 505         if (filt & AR5K_RX_FILTER_BCAST)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 507         if (filt & AR5K_RX_FILTER_CONTROL)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 509         if (filt & AR5K_RX_FILTER_BEACON)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 511         if (filt & AR5K_RX_FILTER_PROM)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 513         if (filt & AR5K_RX_FILTER_XRPOLL)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 515         if (filt & AR5K_RX_FILTER_PROBEREQ)
 516                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 517         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 519         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 520                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 521         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 522                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 523         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 524                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 525
 526         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 527                         ath_opmode_to_string(sc->opmode), sc->opmode);
 528
 529         if (len > sizeof(buf))
 530                 len = sizeof(buf);
 531
 532         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 533 }
 534
 535 static const struct file_operations fops_misc = {
 536         .read = read_file_misc,
 537         .open = ath5k_debugfs_open,
 538         .owner = THIS_MODULE,
 539 };
 540
 541
 542 /* debugfs: frameerrors */
 543
 544 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 545                                    size_t count, loff_t *ppos)
 546 {
 547         struct ath5k_softc *sc = file->private_data;
 548         struct ath5k_statistics *st = &sc->stats;
 549         char buf[700];
 550         unsigned int len = 0;
 551         int i;
 552
 553         len += snprintf(buf + len, sizeof(buf) - len,
 554                         "RX\n---------------------\n");
 555         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 556                         st->rxerr_crc,
 557                         st->rx_all_count > 0 ?
 558                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 559         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 560                         st->rxerr_phy,
 561                         st->rx_all_count > 0 ?
 562                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 563         for (i = 0; i < 32; i++) {
 564                 if (st->rxerr_phy_code[i])
 565                         len += snprintf(buf + len, sizeof(buf) - len,
 566                                 " phy_err[%u]\t%u\n",
 567                                 i, st->rxerr_phy_code[i]);
 568         }
 569
 570         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 571                         st->rxerr_fifo,
 572                         st->rx_all_count > 0 ?
 573                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 574         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 575                         st->rxerr_decrypt,
 576                         st->rx_all_count > 0 ?
 577                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 578         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 579                         st->rxerr_mic,
 580                         st->rx_all_count > 0 ?
 581                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 582         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 583                         st->rxerr_proc,
 584                         st->rx_all_count > 0 ?
 585                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 586         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 587                         st->rxerr_jumbo,
 588                         st->rx_all_count > 0 ?
 589                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 590         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 591                         st->rx_all_count);
 592         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 593                         st->rx_bytes_count);
 594
 595         len += snprintf(buf + len, sizeof(buf) - len,
 596                         "\nTX\n---------------------\n");
 597         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 598                         st->txerr_retry,
 599                         st->tx_all_count > 0 ?
 600                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 601         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 602                         st->txerr_fifo,
 603                         st->tx_all_count > 0 ?
 604                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 605         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 606                         st->txerr_filt,
 607                         st->tx_all_count > 0 ?
 608                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 609         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 610                         st->tx_all_count);
 611         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 612                         st->tx_bytes_count);
 613
 614         if (len > sizeof(buf))
 615                 len = sizeof(buf);
 616
 617         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 618 }
 619
 620 static ssize_t write_file_frameerrors(struct file *file,
 621                                  const char __user *userbuf,
 622                                  size_t count, loff_t *ppos)
 623 {
 624         struct ath5k_softc *sc = file->private_data;
 625         struct ath5k_statistics *st = &sc->stats;
 626         char buf[20];
 627
 628         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 629                 return -EFAULT;
 630
 631         if (strncmp(buf, "clear", 5) == 0) {
 632                 st->rxerr_crc = 0;
 633                 st->rxerr_phy = 0;
 634                 st->rxerr_fifo = 0;
 635                 st->rxerr_decrypt = 0;
 636                 st->rxerr_mic = 0;
 637                 st->rxerr_proc = 0;
 638                 st->rxerr_jumbo = 0;
 639                 st->rx_all_count = 0;
 640                 st->txerr_retry = 0;
 641                 st->txerr_fifo = 0;
 642                 st->txerr_filt = 0;
 643                 st->tx_all_count = 0;
 644                 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
 645         }
 646         return count;
 647 }
 648
 649 static const struct file_operations fops_frameerrors = {
 650         .read = read_file_frameerrors,
 651         .write = write_file_frameerrors,
 652         .open = ath5k_debugfs_open,
 653         .owner = THIS_MODULE,
 654         .llseek = default_llseek,
 655 };
 656
 657
 658 /* debugfs: ani */
 659
 660 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 661                                    size_t count, loff_t *ppos)
 662 {
 663         struct ath5k_softc *sc = file->private_data;
 664         struct ath5k_statistics *st = &sc->stats;
 665         struct ath5k_ani_state *as = &sc->ani_state;
 666
 667         char buf[700];
 668         unsigned int len = 0;
 669
 670         len += snprintf(buf + len, sizeof(buf) - len,
 671                         "HW has PHY error counters:\t%s\n",
 672                         sc->ah->ah_capabilities.cap_has_phyerr_counters ?
 673                         "yes" : "no");
 674         len += snprintf(buf + len, sizeof(buf) - len,
 675                         "HW max spur immunity level:\t%d\n",
 676                         as->max_spur_level);
 677         len += snprintf(buf + len, sizeof(buf) - len,
 678                 "\nANI state\n--------------------------------------------\n");
 679         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 680         switch (as->ani_mode) {
 681         case ATH5K_ANI_MODE_OFF:
 682                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 683                 break;
 684         case ATH5K_ANI_MODE_MANUAL_LOW:
 685                 len += snprintf(buf + len, sizeof(buf) - len,
 686                         "MANUAL LOW\n");
 687                 break;
 688         case ATH5K_ANI_MODE_MANUAL_HIGH:
 689                 len += snprintf(buf + len, sizeof(buf) - len,
 690                         "MANUAL HIGH\n");
 691                 break;
 692         case ATH5K_ANI_MODE_AUTO:
 693                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 694                 break;
 695         default:
 696                 len += snprintf(buf + len, sizeof(buf) - len,
 697                         "??? (not good)\n");
 698                 break;
 699         }
 700         len += snprintf(buf + len, sizeof(buf) - len,
 701                         "noise immunity level:\t\t%d\n",
 702                         as->noise_imm_level);
 703         len += snprintf(buf + len, sizeof(buf) - len,
 704                         "spur immunity level:\t\t%d\n",
 705                         as->spur_level);
 706         len += snprintf(buf + len, sizeof(buf) - len,
 707                         "firstep level:\t\t\t%d\n",
 708                         as->firstep_level);
 709         len += snprintf(buf + len, sizeof(buf) - len,
 710                         "OFDM weak signal detection:\t%s\n",
 711                         as->ofdm_weak_sig ? "on" : "off");
 712         len += snprintf(buf + len, sizeof(buf) - len,
 713                         "CCK weak signal detection:\t%s\n",
 714                         as->cck_weak_sig ? "on" : "off");
 715
 716         len += snprintf(buf + len, sizeof(buf) - len,
 717                         "\nMIB INTERRUPTS:\t\t%u\n",
 718                         st->mib_intr);
 719         len += snprintf(buf + len, sizeof(buf) - len,
 720                         "beacon RSSI average:\t%d\n",
 721                         (int)ewma_read(&sc->ah->ah_beacon_rssi_avg));
 722
 723 #define CC_PRINT(_struct, _field) \
 724         _struct._field, \
 725         _struct.cycles > 0 ? \
 726         _struct._field * 100 / _struct.cycles : 0
 727
 728         len += snprintf(buf + len, sizeof(buf) - len,
 729                         "profcnt tx\t\t%u\t(%d%%)\n",
 730                         CC_PRINT(as->last_cc, tx_frame));
 731         len += snprintf(buf + len, sizeof(buf) - len,
 732                         "profcnt rx\t\t%u\t(%d%%)\n",
 733                         CC_PRINT(as->last_cc, rx_frame));
 734         len += snprintf(buf + len, sizeof(buf) - len,
 735                         "profcnt busy\t\t%u\t(%d%%)\n",
 736                         CC_PRINT(as->last_cc, rx_busy));
 737 #undef CC_PRINT
 738         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 739                         as->last_cc.cycles);
 740         len += snprintf(buf + len, sizeof(buf) - len,
 741                         "listen time\t\t%d\tlast: %d\n",
 742                         as->listen_time, as->last_listen);
 743         len += snprintf(buf + len, sizeof(buf) - len,
 744                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 745                         as->ofdm_errors, as->last_ofdm_errors,
 746                         as->sum_ofdm_errors);
 747         len += snprintf(buf + len, sizeof(buf) - len,
 748                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 749                         as->cck_errors, as->last_cck_errors,
 750                         as->sum_cck_errors);
 751         len += snprintf(buf + len, sizeof(buf) - len,
 752                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 753                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
 754                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 755                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
 756         len += snprintf(buf + len, sizeof(buf) - len,
 757                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 758                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
 759                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 760                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
 761
 762         if (len > sizeof(buf))
 763                 len = sizeof(buf);
 764
 765         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 766 }
 767
 768 static ssize_t write_file_ani(struct file *file,
 769                                  const char __user *userbuf,
 770                                  size_t count, loff_t *ppos)
 771 {
 772         struct ath5k_softc *sc = file->private_data;
 773         char buf[20];
 774
 775         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 776                 return -EFAULT;
 777
 778         if (strncmp(buf, "sens-low", 8) == 0) {
 779                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 780         } else if (strncmp(buf, "sens-high", 9) == 0) {
 781                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
 782         } else if (strncmp(buf, "ani-off", 7) == 0) {
 783                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
 784         } else if (strncmp(buf, "ani-on", 6) == 0) {
 785                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
 786         } else if (strncmp(buf, "noise-low", 9) == 0) {
 787                 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
 788         } else if (strncmp(buf, "noise-high", 10) == 0) {
 789                 ath5k_ani_set_noise_immunity_level(sc->ah,
 790                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 791         } else if (strncmp(buf, "spur-low", 8) == 0) {
 792                 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
 793         } else if (strncmp(buf, "spur-high", 9) == 0) {
 794                 ath5k_ani_set_spur_immunity_level(sc->ah,
 795                                                   sc->ani_state.max_spur_level);
 796         } else if (strncmp(buf, "fir-low", 7) == 0) {
 797                 ath5k_ani_set_firstep_level(sc->ah, 0);
 798         } else if (strncmp(buf, "fir-high", 8) == 0) {
 799                 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 800         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 801                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
 802         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 803                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
 804         } else if (strncmp(buf, "cck-off", 7) == 0) {
 805                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
 806         } else if (strncmp(buf, "cck-on", 6) == 0) {
 807                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
 808         }
 809         return count;
 810 }
 811
 812 static const struct file_operations fops_ani = {
 813         .read = read_file_ani,
 814         .write = write_file_ani,
 815         .open = ath5k_debugfs_open,
 816         .owner = THIS_MODULE,
 817         .llseek = default_llseek,
 818 };
 819
 820
 821 /* debugfs: queues etc */
 822
 823 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 824                                    size_t count, loff_t *ppos)
 825 {
 826         struct ath5k_softc *sc = file->private_data;
 827         char buf[700];
 828         unsigned int len = 0;
 829
 830         struct ath5k_txq *txq;
 831         struct ath5k_buf *bf, *bf0;
 832         int i, n;
 833
 834         len += snprintf(buf + len, sizeof(buf) - len,
 835                         "available txbuffers: %d\n", sc->txbuf_len);
 836
 837         for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
 838                 txq = &sc->txqs[i];
 839
 840                 len += snprintf(buf + len, sizeof(buf) - len,
 841                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 842
 843                 if (!txq->setup)
 844                         continue;
 845
 846                 n = 0;
 847                 spin_lock_bh(&txq->lock);
 848                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 849                         n++;
 850                 spin_unlock_bh(&txq->lock);
 851
 852                 len += snprintf(buf + len, sizeof(buf) - len,
 853                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 854                 len += snprintf(buf + len, sizeof(buf) - len,
 855                                 "  stuck: %d\n", txq->txq_stuck);
 856         }
 857
 858         if (len > sizeof(buf))
 859                 len = sizeof(buf);
 860
 861         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 862 }
 863
 864 static ssize_t write_file_queue(struct file *file,
 865                                  const char __user *userbuf,
 866                                  size_t count, loff_t *ppos)
 867 {
 868         struct ath5k_softc *sc = file->private_data;
 869         char buf[20];
 870
 871         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 872                 return -EFAULT;
 873
 874         if (strncmp(buf, "start", 5) == 0)
 875                 ieee80211_wake_queues(sc->hw);
 876         else if (strncmp(buf, "stop", 4) == 0)
 877                 ieee80211_stop_queues(sc->hw);
 878
 879         return count;
 880 }
 881
 882
 883 static const struct file_operations fops_queue = {
 884         .read = read_file_queue,
 885         .write = write_file_queue,
 886         .open = ath5k_debugfs_open,
 887         .owner = THIS_MODULE,
 888         .llseek = default_llseek,
 889 };
 890
 891
 892 void
 893 ath5k_debug_init_device(struct ath5k_softc *sc)
 894 {
 895         struct dentry *phydir;
 896
 897         sc->debug.level = ath5k_debug;
 898
 899         phydir = debugfs_create_dir("ath5k", sc->hw->wiphy->debugfsdir);
 900         if (!phydir)
 901                 return;
 902
 903         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, sc,
 904                             &fops_debug);
 905
 906         debugfs_create_file("registers", S_IRUSR, phydir, sc, &fops_registers);
 907
 908         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, sc,
 909                             &fops_beacon);
 910
 911         debugfs_create_file("reset", S_IWUSR, phydir, sc, &fops_reset);
 912
 913         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, sc,
 914                             &fops_antenna);
 915
 916         debugfs_create_file("misc", S_IRUSR, phydir, sc, &fops_misc);
 917
 918         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, sc,
 919                             &fops_frameerrors);
 920
 921         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, sc, &fops_ani);
 922
 923         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, sc,
 924                             &fops_queue);
 925
 926         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
 927                             &sc->ah->ah_use_32khz_clock);
 928 }
 929
 930 /* functions used in other places */
 931
 932 void
 933 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 934 {
 935         unsigned int b, i;
 936
 937         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 938                 return;
 939
 940         BUG_ON(!sc->sbands);
 941
 942         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 943                 struct ieee80211_supported_band *band = &sc->sbands[b];
 944                 char bname[6];
 945                 switch (band->band) {
 946                 case IEEE80211_BAND_2GHZ:
 947                         strcpy(bname, "2 GHz");
 948                         break;
 949                 case IEEE80211_BAND_5GHZ:
 950                         strcpy(bname, "5 GHz");
 951                         break;
 952                 default:
 953                         printk(KERN_DEBUG "Band not supported: %d\n",
 954                                 band->band);
 955                         return;
 956                 }
 957                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 958                                 band->n_channels, band->n_bitrates);
 959                 printk(KERN_DEBUG " channels:\n");
 960                 for (i = 0; i < band->n_channels; i++)
 961                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 962                                         ieee80211_frequency_to_channel(
 963                                                 band->channels[i].center_freq),
 964                                         band->channels[i].center_freq,
 965                                         band->channels[i].hw_value,
 966                                         band->channels[i].flags);
 967                 printk(KERN_DEBUG " rates:\n");
 968                 for (i = 0; i < band->n_bitrates; i++)
 969                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 970                                         band->bitrates[i].bitrate,
 971                                         band->bitrates[i].hw_value,
 972                                         band->bitrates[i].flags,
 973                                         band->bitrates[i].hw_value_short);
 974         }
 975 }
 976
 977 static inline void
 978 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 979                        struct ath5k_rx_status *rs)
 980 {
 981         struct ath5k_desc *ds = bf->desc;
 982         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 983
 984         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 985                 ds, (unsigned long long)bf->daddr,
 986                 ds->ds_link, ds->ds_data,
 987                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 988                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
 989                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 990 }
 991
 992 void
 993 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
 994 {
 995         struct ath5k_desc *ds;
 996         struct ath5k_buf *bf;
 997         struct ath5k_rx_status rs = {};
 998         int status;
 999
1000         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1001                 return;
1002
1003         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1004                 ath5k_hw_get_rxdp(ah), sc->rxlink);
1005
1006         spin_lock_bh(&sc->rxbuflock);
1007         list_for_each_entry(bf, &sc->rxbuf, list) {
1008                 ds = bf->desc;
1009                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1010                 if (!status)
1011                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1012         }
1013         spin_unlock_bh(&sc->rxbuflock);
1014 }
1015
1016 void
1017 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1018 {
1019         struct ath5k_desc *ds = bf->desc;
1020         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1021         struct ath5k_tx_status ts = {};
1022         int done;
1023
1024         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1025                 return;
1026
1027         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1028
1029         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1030                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1031                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1032                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1033                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1034                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1035 }
1036
1037 #endif /* ifdef CONFIG_ATH5K_DEBUG */