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