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   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
  73 static struct dentry *ath5k_global_debugfs;
  74
  75 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  76 {
  77         file->private_data = inode->i_private;
  78         return 0;
  79 }
  80
  81
  82 /* debugfs: registers */
  83
  84 struct reg {
  85         char *name;
  86         int addr;
  87 };
  88
  89 #define REG_STRUCT_INIT(r) { #r, r }
  90
  91 /* just a few random registers, might want to add more */
  92 static struct reg regs[] = {
  93         REG_STRUCT_INIT(AR5K_CR),
  94         REG_STRUCT_INIT(AR5K_RXDP),
  95         REG_STRUCT_INIT(AR5K_CFG),
  96         REG_STRUCT_INIT(AR5K_IER),
  97         REG_STRUCT_INIT(AR5K_BCR),
  98         REG_STRUCT_INIT(AR5K_RTSD0),
  99         REG_STRUCT_INIT(AR5K_RTSD1),
 100         REG_STRUCT_INIT(AR5K_TXCFG),
 101         REG_STRUCT_INIT(AR5K_RXCFG),
 102         REG_STRUCT_INIT(AR5K_RXJLA),
 103         REG_STRUCT_INIT(AR5K_MIBC),
 104         REG_STRUCT_INIT(AR5K_TOPS),
 105         REG_STRUCT_INIT(AR5K_RXNOFRM),
 106         REG_STRUCT_INIT(AR5K_TXNOFRM),
 107         REG_STRUCT_INIT(AR5K_RPGTO),
 108         REG_STRUCT_INIT(AR5K_RFCNT),
 109         REG_STRUCT_INIT(AR5K_MISC),
 110         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 111         REG_STRUCT_INIT(AR5K_ISR),
 112         REG_STRUCT_INIT(AR5K_PISR),
 113         REG_STRUCT_INIT(AR5K_SISR0),
 114         REG_STRUCT_INIT(AR5K_SISR1),
 115         REG_STRUCT_INIT(AR5K_SISR2),
 116         REG_STRUCT_INIT(AR5K_SISR3),
 117         REG_STRUCT_INIT(AR5K_SISR4),
 118         REG_STRUCT_INIT(AR5K_IMR),
 119         REG_STRUCT_INIT(AR5K_PIMR),
 120         REG_STRUCT_INIT(AR5K_SIMR0),
 121         REG_STRUCT_INIT(AR5K_SIMR1),
 122         REG_STRUCT_INIT(AR5K_SIMR2),
 123         REG_STRUCT_INIT(AR5K_SIMR3),
 124         REG_STRUCT_INIT(AR5K_SIMR4),
 125         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 126         REG_STRUCT_INIT(AR5K_DCCFG),
 127         REG_STRUCT_INIT(AR5K_CCFG),
 128         REG_STRUCT_INIT(AR5K_CPC0),
 129         REG_STRUCT_INIT(AR5K_CPC1),
 130         REG_STRUCT_INIT(AR5K_CPC2),
 131         REG_STRUCT_INIT(AR5K_CPC3),
 132         REG_STRUCT_INIT(AR5K_CPCOVF),
 133         REG_STRUCT_INIT(AR5K_RESET_CTL),
 134         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 135         REG_STRUCT_INIT(AR5K_INTPEND),
 136         REG_STRUCT_INIT(AR5K_SFR),
 137         REG_STRUCT_INIT(AR5K_PCICFG),
 138         REG_STRUCT_INIT(AR5K_GPIOCR),
 139         REG_STRUCT_INIT(AR5K_GPIODO),
 140         REG_STRUCT_INIT(AR5K_SREV),
 141 };
 142
 143 static void *reg_start(struct seq_file *seq, loff_t *pos)
 144 {
 145         return *pos < ARRAY_SIZE(regs) ? &regs[*pos] : NULL;
 146 }
 147
 148 static void reg_stop(struct seq_file *seq, void *p)
 149 {
 150         /* nothing to do */
 151 }
 152
 153 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 154 {
 155         ++*pos;
 156         return *pos < ARRAY_SIZE(regs) ? &regs[*pos] : NULL;
 157 }
 158
 159 static int reg_show(struct seq_file *seq, void *p)
 160 {
 161         struct ath5k_softc *sc = seq->private;
 162         struct reg *r = p;
 163         seq_printf(seq, "%-25s0x%08x\n", r->name,
 164                 ath5k_hw_reg_read(sc->ah, r->addr));
 165         return 0;
 166 }
 167
 168 static const struct seq_operations register_seq_ops = {
 169         .start = reg_start,
 170         .next  = reg_next,
 171         .stop  = reg_stop,
 172         .show  = reg_show
 173 };
 174
 175 static int open_file_registers(struct inode *inode, struct file *file)
 176 {
 177         struct seq_file *s;
 178         int res;
 179         res = seq_open(file, &register_seq_ops);
 180         if (res == 0) {
 181                 s = file->private_data;
 182                 s->private = inode->i_private;
 183         }
 184         return res;
 185 }
 186
 187 static const struct file_operations fops_registers = {
 188         .open = open_file_registers,
 189         .read    = seq_read,
 190         .llseek  = seq_lseek,
 191         .release = seq_release,
 192         .owner = THIS_MODULE,
 193 };
 194
 195
 196 /* debugfs: beacons */
 197
 198 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 199                                    size_t count, loff_t *ppos)
 200 {
 201         struct ath5k_softc *sc = file->private_data;
 202         struct ath5k_hw *ah = sc->ah;
 203         char buf[500];
 204         unsigned int len = 0;
 205         unsigned int v;
 206         u64 tsf;
 207
 208         v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
 209         len += snprintf(buf+len, sizeof(buf)-len,
 210                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 211                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 212                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 213
 214         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n",
 215                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
 216
 217         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n\n",
 218                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
 219
 220         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
 221         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 222                 "AR5K_TIMER0 (TBTT)", v, v);
 223
 224         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
 225         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 226                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 227
 228         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
 229         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 230                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 231
 232         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
 233         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 234                 "AR5K_TIMER3 (ATIM)", v, v);
 235
 236         tsf = ath5k_hw_get_tsf64(sc->ah);
 237         len += snprintf(buf+len, sizeof(buf)-len,
 238                 "TSF\t\t0x%016llx\tTU: %08x\n",
 239                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 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_softc *sc = file->private_data;
 249         struct ath5k_hw *ah = sc->ah;
 250         char buf[20];
 251
 252         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 253                 return -EFAULT;
 254
 255         if (strncmp(buf, "disable", 7) == 0) {
 256                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 257                 printk(KERN_INFO "debugfs disable beacons\n");
 258         } else if (strncmp(buf, "enable", 6) == 0) {
 259                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 printk(KERN_INFO "debugfs enable beacons\n");
 261         }
 262         return count;
 263 }
 264
 265 static const struct file_operations fops_beacon = {
 266         .read = read_file_beacon,
 267         .write = write_file_beacon,
 268         .open = ath5k_debugfs_open,
 269         .owner = THIS_MODULE,
 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_softc *sc = file->private_data;
 280         tasklet_schedule(&sc->restq);
 281         return count;
 282 }
 283
 284 static const struct file_operations fops_reset = {
 285         .write = write_file_reset,
 286         .open = ath5k_debugfs_open,
 287         .owner = THIS_MODULE,
 288 };
 289
 290
 291 /* debugfs: debug level */
 292
 293 static struct {
 294         enum ath5k_debug_level level;
 295         const char *name;
 296         const char *desc;
 297 } dbg_info[] = {
 298         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 299         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 300         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 301         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 302         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 303         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 304         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 305         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 306         { ATH5K_DEBUG_DUMP_RX,  "dumprx",       "print received skb content" },
 307         { ATH5K_DEBUG_DUMP_TX,  "dumptx",       "print transmit skb content" },
 308         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 309         { ATH5K_DEBUG_TRACE,    "trace",        "trace function calls" },
 310         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 311 };
 312
 313 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 314                                    size_t count, loff_t *ppos)
 315 {
 316         struct ath5k_softc *sc = file->private_data;
 317         char buf[700];
 318         unsigned int len = 0;
 319         unsigned int i;
 320
 321         len += snprintf(buf+len, sizeof(buf)-len,
 322                 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
 323
 324         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 325                 len += snprintf(buf+len, sizeof(buf)-len,
 326                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 327                         sc->debug.level & dbg_info[i].level ? '+' : ' ',
 328                         dbg_info[i].level, dbg_info[i].desc);
 329         }
 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         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 336 }
 337
 338 static ssize_t write_file_debug(struct file *file,
 339                                  const char __user *userbuf,
 340                                  size_t count, loff_t *ppos)
 341 {
 342         struct ath5k_softc *sc = file->private_data;
 343         unsigned int i;
 344         char buf[20];
 345
 346         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 347                 return -EFAULT;
 348
 349         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 350                 if (strncmp(buf, dbg_info[i].name,
 351                                         strlen(dbg_info[i].name)) == 0) {
 352                         sc->debug.level ^= dbg_info[i].level; /* toggle bit */
 353                         break;
 354                 }
 355         }
 356         return count;
 357 }
 358
 359 static const struct file_operations fops_debug = {
 360         .read = read_file_debug,
 361         .write = write_file_debug,
 362         .open = ath5k_debugfs_open,
 363         .owner = THIS_MODULE,
 364 };
 365
 366
 367 /* init */
 368
 369 void
 370 ath5k_debug_init(void)
 371 {
 372         ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
 373 }
 374
 375 void
 376 ath5k_debug_init_device(struct ath5k_softc *sc)
 377 {
 378         sc->debug.level = ath5k_debug;
 379
 380         sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
 381                                 ath5k_global_debugfs);
 382
 383         sc->debug.debugfs_debug = debugfs_create_file("debug", S_IWUSR | S_IRUGO,
 384                                 sc->debug.debugfs_phydir, sc, &fops_debug);
 385
 386         sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUGO,
 387                                 sc->debug.debugfs_phydir, sc, &fops_registers);
 388
 389         sc->debug.debugfs_beacon = debugfs_create_file("beacon", S_IWUSR | S_IRUGO,
 390                                 sc->debug.debugfs_phydir, sc, &fops_beacon);
 391
 392         sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 393                                 sc->debug.debugfs_phydir, sc, &fops_reset);
 394 }
 395
 396 void
 397 ath5k_debug_finish(void)
 398 {
 399         debugfs_remove(ath5k_global_debugfs);
 400 }
 401
 402 void
 403 ath5k_debug_finish_device(struct ath5k_softc *sc)
 404 {
 405         debugfs_remove(sc->debug.debugfs_debug);
 406         debugfs_remove(sc->debug.debugfs_registers);
 407         debugfs_remove(sc->debug.debugfs_beacon);
 408         debugfs_remove(sc->debug.debugfs_reset);
 409         debugfs_remove(sc->debug.debugfs_phydir);
 410 }
 411
 412
 413 /* functions used in other places */
 414
 415 void
 416 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 417 {
 418         unsigned int b, i;
 419
 420         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 421                 return;
 422
 423         BUG_ON(!sc->sbands);
 424
 425         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 426                 struct ieee80211_supported_band *band = &sc->sbands[b];
 427                 char bname[5];
 428                 switch (band->band) {
 429                 case IEEE80211_BAND_2GHZ:
 430                         strcpy(bname, "2 GHz");
 431                         break;
 432                 case IEEE80211_BAND_5GHZ:
 433                         strcpy(bname, "5 GHz");
 434                         break;
 435                 default:
 436                         printk(KERN_DEBUG "Band not supported: %d\n",
 437                                 band->band);
 438                         return;
 439                 }
 440                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 441                                 band->n_channels, band->n_bitrates);
 442                 printk(KERN_DEBUG " channels:\n");
 443                 for (i = 0; i < band->n_channels; i++)
 444                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 445                                         ieee80211_frequency_to_channel(
 446                                                 band->channels[i].center_freq),
 447                                         band->channels[i].center_freq,
 448                                         band->channels[i].hw_value,
 449                                         band->channels[i].flags);
 450                 printk(KERN_DEBUG " rates:\n");
 451                 for (i = 0; i < band->n_bitrates; i++)
 452                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 453                                         band->bitrates[i].bitrate,
 454                                         band->bitrates[i].hw_value,
 455                                         band->bitrates[i].flags,
 456                                         band->bitrates[i].hw_value_short);
 457         }
 458 }
 459
 460 static inline void
 461 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 462                        struct ath5k_rx_status *rs)
 463 {
 464         struct ath5k_desc *ds = bf->desc;
 465         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 466
 467         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 468                 ds, (unsigned long long)bf->daddr,
 469                 ds->ds_link, ds->ds_data,
 470                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 471                 rd->u.rx_stat.rx_status_0, rd->u.rx_stat.rx_status_0,
 472                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 473 }
 474
 475 void
 476 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
 477 {
 478         struct ath5k_desc *ds;
 479         struct ath5k_buf *bf;
 480         struct ath5k_rx_status rs = {};
 481         int status;
 482
 483         if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
 484                 return;
 485
 486         printk(KERN_DEBUG "rx queue %x, link %p\n",
 487                 ath5k_hw_get_rxdp(ah), sc->rxlink);
 488
 489         spin_lock_bh(&sc->rxbuflock);
 490         list_for_each_entry(bf, &sc->rxbuf, list) {
 491                 ds = bf->desc;
 492                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
 493                 if (!status)
 494                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
 495         }
 496         spin_unlock_bh(&sc->rxbuflock);
 497 }
 498
 499 void
 500 ath5k_debug_dump_skb(struct ath5k_softc *sc,
 501                         struct sk_buff *skb, const char *prefix, int tx)
 502 {
 503         char buf[16];
 504
 505         if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
 506                      (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
 507                 return;
 508
 509         snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
 510
 511         print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
 512                 min(200U, skb->len));
 513
 514         printk(KERN_DEBUG "\n");
 515 }
 516
 517 void
 518 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
 519 {
 520         struct ath5k_desc *ds = bf->desc;
 521         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
 522         struct ath5k_tx_status ts = {};
 523         int done;
 524
 525         if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
 526                 return;
 527
 528         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
 529
 530         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
 531                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
 532                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
 533                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
 534                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
 535                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
 536 }
 537
 538 #endif /* ifdef CONFIG_ATH5K_DEBUG */