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