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

   1 /*
   2  * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
   3  *
   4  *  This file is free software: you may copy, redistribute and/or modify it
   5  *  under the terms of the GNU General Public License as published by the
   6  *  Free Software Foundation, either version 2 of the License, or (at your
   7  *  option) any later version.
   8  *
   9  *  This file is distributed in the hope that it will be useful, but
  10  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  *
  18  * This file incorporates work covered by the following copyright and
  19  * permission notice:
  20  *
  21  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  22  * Copyright (c) 2004-2005 Atheros Communications, Inc.
  23  * Copyright (c) 2006 Devicescape Software, Inc.
  24  * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
  25  * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
  26  *
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer,
  34  *    without modification.
  35  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  36  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  37  *    redistribution must be conditioned upon including a substantially
  38  *    similar Disclaimer requirement for further binary redistribution.
  39  * 3. Neither the names of the above-listed copyright holders nor the names
  40  *    of any contributors may be used to endorse or promote products derived
  41  *    from this software without specific prior written permission.
  42  *
  43  * Alternatively, this software may be distributed under the terms of the
  44  * GNU General Public License ("GPL") version 2 as published by the Free
  45  * Software Foundation.
  46  *
  47  * NO WARRANTY
  48  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  49  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  50  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  51  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  52  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  53  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  54  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  55  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  56  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  57  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  58  * THE POSSIBILITY OF SUCH DAMAGES.
  59  */
  60
  61 #include "base.h"
  62 #include "debug.h"
  63
  64 static unsigned int ath5k_debug;
  65 module_param_named(debug, ath5k_debug, uint, 0);
  66
  67
  68 #ifdef CONFIG_ATH5K_DEBUG
  69
  70 #include <linux/seq_file.h>
  71 #include "reg.h"
  72 #include "ani.h"
  73
  74 static struct dentry *ath5k_global_debugfs;
  75
  76 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  77 {
  78         file->private_data = inode->i_private;
  79         return 0;
  80 }
  81
  82
  83 /* debugfs: registers */
  84
  85 struct reg {
  86         const char *name;
  87         int addr;
  88 };
  89
  90 #define REG_STRUCT_INIT(r) { #r, r }
  91
  92 /* just a few random registers, might want to add more */
  93 static const struct reg regs[] = {
  94         REG_STRUCT_INIT(AR5K_CR),
  95         REG_STRUCT_INIT(AR5K_RXDP),
  96         REG_STRUCT_INIT(AR5K_CFG),
  97         REG_STRUCT_INIT(AR5K_IER),
  98         REG_STRUCT_INIT(AR5K_BCR),
  99         REG_STRUCT_INIT(AR5K_RTSD0),
 100         REG_STRUCT_INIT(AR5K_RTSD1),
 101         REG_STRUCT_INIT(AR5K_TXCFG),
 102         REG_STRUCT_INIT(AR5K_RXCFG),
 103         REG_STRUCT_INIT(AR5K_RXJLA),
 104         REG_STRUCT_INIT(AR5K_MIBC),
 105         REG_STRUCT_INIT(AR5K_TOPS),
 106         REG_STRUCT_INIT(AR5K_RXNOFRM),
 107         REG_STRUCT_INIT(AR5K_TXNOFRM),
 108         REG_STRUCT_INIT(AR5K_RPGTO),
 109         REG_STRUCT_INIT(AR5K_RFCNT),
 110         REG_STRUCT_INIT(AR5K_MISC),
 111         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 112         REG_STRUCT_INIT(AR5K_ISR),
 113         REG_STRUCT_INIT(AR5K_PISR),
 114         REG_STRUCT_INIT(AR5K_SISR0),
 115         REG_STRUCT_INIT(AR5K_SISR1),
 116         REG_STRUCT_INIT(AR5K_SISR2),
 117         REG_STRUCT_INIT(AR5K_SISR3),
 118         REG_STRUCT_INIT(AR5K_SISR4),
 119         REG_STRUCT_INIT(AR5K_IMR),
 120         REG_STRUCT_INIT(AR5K_PIMR),
 121         REG_STRUCT_INIT(AR5K_SIMR0),
 122         REG_STRUCT_INIT(AR5K_SIMR1),
 123         REG_STRUCT_INIT(AR5K_SIMR2),
 124         REG_STRUCT_INIT(AR5K_SIMR3),
 125         REG_STRUCT_INIT(AR5K_SIMR4),
 126         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 127         REG_STRUCT_INIT(AR5K_DCCFG),
 128         REG_STRUCT_INIT(AR5K_CCFG),
 129         REG_STRUCT_INIT(AR5K_CPC0),
 130         REG_STRUCT_INIT(AR5K_CPC1),
 131         REG_STRUCT_INIT(AR5K_CPC2),
 132         REG_STRUCT_INIT(AR5K_CPC3),
 133         REG_STRUCT_INIT(AR5K_CPCOVF),
 134         REG_STRUCT_INIT(AR5K_RESET_CTL),
 135         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 136         REG_STRUCT_INIT(AR5K_INTPEND),
 137         REG_STRUCT_INIT(AR5K_SFR),
 138         REG_STRUCT_INIT(AR5K_PCICFG),
 139         REG_STRUCT_INIT(AR5K_GPIOCR),
 140         REG_STRUCT_INIT(AR5K_GPIODO),
 141         REG_STRUCT_INIT(AR5K_SREV),
 142 };
 143
 144 static void *reg_start(struct seq_file *seq, loff_t *pos)
 145 {
 146         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 147 }
 148
 149 static void reg_stop(struct seq_file *seq, void *p)
 150 {
 151         /* nothing to do */
 152 }
 153
 154 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 155 {
 156         ++*pos;
 157         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 158 }
 159
 160 static int reg_show(struct seq_file *seq, void *p)
 161 {
 162         struct ath5k_softc *sc = seq->private;
 163         struct reg *r = p;
 164         seq_printf(seq, "%-25s0x%08x\n", r->name,
 165                 ath5k_hw_reg_read(sc->ah, r->addr));
 166         return 0;
 167 }
 168
 169 static const struct seq_operations register_seq_ops = {
 170         .start = reg_start,
 171         .next  = reg_next,
 172         .stop  = reg_stop,
 173         .show  = reg_show
 174 };
 175
 176 static int open_file_registers(struct inode *inode, struct file *file)
 177 {
 178         struct seq_file *s;
 179         int res;
 180         res = seq_open(file, &register_seq_ops);
 181         if (res == 0) {
 182                 s = file->private_data;
 183                 s->private = inode->i_private;
 184         }
 185         return res;
 186 }
 187
 188 static const struct file_operations fops_registers = {
 189         .open = open_file_registers,
 190         .read    = seq_read,
 191         .llseek  = seq_lseek,
 192         .release = seq_release,
 193         .owner = THIS_MODULE,
 194 };
 195
 196
 197 /* debugfs: beacons */
 198
 199 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 200                                    size_t count, loff_t *ppos)
 201 {
 202         struct ath5k_softc *sc = file->private_data;
 203         struct ath5k_hw *ah = sc->ah;
 204         char buf[500];
 205         unsigned int len = 0;
 206         unsigned int v;
 207         u64 tsf;
 208
 209         v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
 210         len += snprintf(buf+len, sizeof(buf)-len,
 211                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 212                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 213                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 214
 215         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n",
 216                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
 217
 218         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n\n",
 219                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
 220
 221         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
 222         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 223                 "AR5K_TIMER0 (TBTT)", v, v);
 224
 225         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
 226         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 227                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 228
 229         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
 230         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 231                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 232
 233         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
 234         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 235                 "AR5K_TIMER3 (ATIM)", v, v);
 236
 237         tsf = ath5k_hw_get_tsf64(sc->ah);
 238         len += snprintf(buf+len, sizeof(buf)-len,
 239                 "TSF\t\t0x%016llx\tTU: %08x\n",
 240                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 241
 242         if (len > sizeof(buf))
 243                 len = sizeof(buf);
 244
 245         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 246 }
 247
 248 static ssize_t write_file_beacon(struct file *file,
 249                                  const char __user *userbuf,
 250                                  size_t count, loff_t *ppos)
 251 {
 252         struct ath5k_softc *sc = file->private_data;
 253         struct ath5k_hw *ah = sc->ah;
 254         char buf[20];
 255
 256         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 257                 return -EFAULT;
 258
 259         if (strncmp(buf, "disable", 7) == 0) {
 260                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 261                 printk(KERN_INFO "debugfs disable beacons\n");
 262         } else if (strncmp(buf, "enable", 6) == 0) {
 263                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 264                 printk(KERN_INFO "debugfs enable beacons\n");
 265         }
 266         return count;
 267 }
 268
 269 static const struct file_operations fops_beacon = {
 270         .read = read_file_beacon,
 271         .write = write_file_beacon,
 272         .open = ath5k_debugfs_open,
 273         .owner = THIS_MODULE,
 274         .llseek = default_llseek,
 275 };
 276
 277
 278 /* debugfs: reset */
 279
 280 static ssize_t write_file_reset(struct file *file,
 281                                  const char __user *userbuf,
 282                                  size_t count, loff_t *ppos)
 283 {
 284         struct ath5k_softc *sc = file->private_data;
 285         ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 286         ieee80211_queue_work(sc->hw, &sc->reset_work);
 287         return count;
 288 }
 289
 290 static const struct file_operations fops_reset = {
 291         .write = write_file_reset,
 292         .open = ath5k_debugfs_open,
 293         .owner = THIS_MODULE,
 294         .llseek = noop_llseek,
 295 };
 296
 297
 298 /* debugfs: debug level */
 299
 300 static const struct {
 301         enum ath5k_debug_level level;
 302         const char *name;
 303         const char *desc;
 304 } dbg_info[] = {
 305         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 306         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 307         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 308         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 309         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 310         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 311         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 312         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 313         { ATH5K_DEBUG_DUMP_RX,  "dumprx",       "print received skb content" },
 314         { ATH5K_DEBUG_DUMP_TX,  "dumptx",       "print transmit skb content" },
 315         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 316         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 317         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 318 };
 319
 320 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 321                                    size_t count, loff_t *ppos)
 322 {
 323         struct ath5k_softc *sc = file->private_data;
 324         char buf[700];
 325         unsigned int len = 0;
 326         unsigned int i;
 327
 328         len += snprintf(buf+len, sizeof(buf)-len,
 329                 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
 330
 331         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 332                 len += snprintf(buf+len, sizeof(buf)-len,
 333                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 334                         sc->debug.level & dbg_info[i].level ? '+' : ' ',
 335                         dbg_info[i].level, dbg_info[i].desc);
 336         }
 337         len += snprintf(buf+len, sizeof(buf)-len,
 338                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 339                 sc->debug.level == dbg_info[i].level ? '+' : ' ',
 340                 dbg_info[i].level, dbg_info[i].desc);
 341
 342         if (len > sizeof(buf))
 343                 len = sizeof(buf);
 344
 345         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 346 }
 347
 348 static ssize_t write_file_debug(struct file *file,
 349                                  const char __user *userbuf,
 350                                  size_t count, loff_t *ppos)
 351 {
 352         struct ath5k_softc *sc = file->private_data;
 353         unsigned int i;
 354         char buf[20];
 355
 356         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 357                 return -EFAULT;
 358
 359         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 360                 if (strncmp(buf, dbg_info[i].name,
 361                                         strlen(dbg_info[i].name)) == 0) {
 362                         sc->debug.level ^= dbg_info[i].level; /* toggle bit */
 363                         break;
 364                 }
 365         }
 366         return count;
 367 }
 368
 369 static const struct file_operations fops_debug = {
 370         .read = read_file_debug,
 371         .write = write_file_debug,
 372         .open = ath5k_debugfs_open,
 373         .owner = THIS_MODULE,
 374         .llseek = default_llseek,
 375 };
 376
 377
 378 /* debugfs: antenna */
 379
 380 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 381                                    size_t count, loff_t *ppos)
 382 {
 383         struct ath5k_softc *sc = file->private_data;
 384         char buf[700];
 385         unsigned int len = 0;
 386         unsigned int i;
 387         unsigned int v;
 388
 389         len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n",
 390                 sc->ah->ah_ant_mode);
 391         len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n",
 392                 sc->ah->ah_def_ant);
 393         len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n",
 394                 sc->ah->ah_tx_ant);
 395
 396         len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n");
 397         for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 398                 len += snprintf(buf+len, sizeof(buf)-len,
 399                         "[antenna %d]\t%d\t%d\n",
 400                         i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
 401         }
 402         len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n",
 403                         sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
 404
 405         v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
 406         len += snprintf(buf+len, sizeof(buf)-len,
 407                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 408
 409         v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
 410         len += snprintf(buf+len, sizeof(buf)-len,
 411                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 412                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 413         len += snprintf(buf+len, sizeof(buf)-len,
 414                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 415                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 416         len += snprintf(buf+len, sizeof(buf)-len,
 417                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 418                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 419         len += snprintf(buf+len, sizeof(buf)-len,
 420                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 421                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 422
 423         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
 424         len += snprintf(buf+len, sizeof(buf)-len,
 425                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 426                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 427
 428         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
 429         len += snprintf(buf+len, sizeof(buf)-len,
 430                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 431                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 432
 433         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
 434         len += snprintf(buf+len, sizeof(buf)-len,
 435                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 436                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 437
 438         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 439         len += snprintf(buf+len, sizeof(buf)-len,
 440                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 441         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 442         len += snprintf(buf+len, sizeof(buf)-len,
 443                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 444
 445         if (len > sizeof(buf))
 446                 len = sizeof(buf);
 447
 448         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 449 }
 450
 451 static ssize_t write_file_antenna(struct file *file,
 452                                  const char __user *userbuf,
 453                                  size_t count, loff_t *ppos)
 454 {
 455         struct ath5k_softc *sc = file->private_data;
 456         unsigned int i;
 457         char buf[20];
 458
 459         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 460                 return -EFAULT;
 461
 462         if (strncmp(buf, "diversity", 9) == 0) {
 463                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
 464                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 465         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 466                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
 467                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 468         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 469                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
 470                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 471         } else if (strncmp(buf, "clear", 5) == 0) {
 472                 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 473                         sc->stats.antenna_rx[i] = 0;
 474                         sc->stats.antenna_tx[i] = 0;
 475                 }
 476                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 477         }
 478         return count;
 479 }
 480
 481 static const struct file_operations fops_antenna = {
 482         .read = read_file_antenna,
 483         .write = write_file_antenna,
 484         .open = ath5k_debugfs_open,
 485         .owner = THIS_MODULE,
 486         .llseek = default_llseek,
 487 };
 488
 489
 490 /* debugfs: frameerrors */
 491
 492 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 493                                    size_t count, loff_t *ppos)
 494 {
 495         struct ath5k_softc *sc = file->private_data;
 496         struct ath5k_statistics *st = &sc->stats;
 497         char buf[700];
 498         unsigned int len = 0;
 499         int i;
 500
 501         len += snprintf(buf+len, sizeof(buf)-len,
 502                         "RX\n---------------------\n");
 503         len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n",
 504                         st->rxerr_crc,
 505                         st->rx_all_count > 0 ?
 506                                 st->rxerr_crc*100/st->rx_all_count : 0);
 507         len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n",
 508                         st->rxerr_phy,
 509                         st->rx_all_count > 0 ?
 510                                 st->rxerr_phy*100/st->rx_all_count : 0);
 511         for (i = 0; i < 32; i++) {
 512                 if (st->rxerr_phy_code[i])
 513                         len += snprintf(buf+len, sizeof(buf)-len,
 514                                 " phy_err[%d]\t%d\n",
 515                                 i, st->rxerr_phy_code[i]);
 516         }
 517
 518         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
 519                         st->rxerr_fifo,
 520                         st->rx_all_count > 0 ?
 521                                 st->rxerr_fifo*100/st->rx_all_count : 0);
 522         len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n",
 523                         st->rxerr_decrypt,
 524                         st->rx_all_count > 0 ?
 525                                 st->rxerr_decrypt*100/st->rx_all_count : 0);
 526         len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n",
 527                         st->rxerr_mic,
 528                         st->rx_all_count > 0 ?
 529                                 st->rxerr_mic*100/st->rx_all_count : 0);
 530         len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n",
 531                         st->rxerr_proc,
 532                         st->rx_all_count > 0 ?
 533                                 st->rxerr_proc*100/st->rx_all_count : 0);
 534         len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n",
 535                         st->rxerr_jumbo,
 536                         st->rx_all_count > 0 ?
 537                                 st->rxerr_jumbo*100/st->rx_all_count : 0);
 538         len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
 539                         st->rx_all_count);
 540
 541         len += snprintf(buf+len, sizeof(buf)-len,
 542                         "\nTX\n---------------------\n");
 543         len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n",
 544                         st->txerr_retry,
 545                         st->tx_all_count > 0 ?
 546                                 st->txerr_retry*100/st->tx_all_count : 0);
 547         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
 548                         st->txerr_fifo,
 549                         st->tx_all_count > 0 ?
 550                                 st->txerr_fifo*100/st->tx_all_count : 0);
 551         len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n",
 552                         st->txerr_filt,
 553                         st->tx_all_count > 0 ?
 554                                 st->txerr_filt*100/st->tx_all_count : 0);
 555         len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
 556                         st->tx_all_count);
 557
 558         if (len > sizeof(buf))
 559                 len = sizeof(buf);
 560
 561         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 562 }
 563
 564 static ssize_t write_file_frameerrors(struct file *file,
 565                                  const char __user *userbuf,
 566                                  size_t count, loff_t *ppos)
 567 {
 568         struct ath5k_softc *sc = file->private_data;
 569         struct ath5k_statistics *st = &sc->stats;
 570         char buf[20];
 571
 572         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 573                 return -EFAULT;
 574
 575         if (strncmp(buf, "clear", 5) == 0) {
 576                 st->rxerr_crc = 0;
 577                 st->rxerr_phy = 0;
 578                 st->rxerr_fifo = 0;
 579                 st->rxerr_decrypt = 0;
 580                 st->rxerr_mic = 0;
 581                 st->rxerr_proc = 0;
 582                 st->rxerr_jumbo = 0;
 583                 st->rx_all_count = 0;
 584                 st->txerr_retry = 0;
 585                 st->txerr_fifo = 0;
 586                 st->txerr_filt = 0;
 587                 st->tx_all_count = 0;
 588                 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
 589         }
 590         return count;
 591 }
 592
 593 static const struct file_operations fops_frameerrors = {
 594         .read = read_file_frameerrors,
 595         .write = write_file_frameerrors,
 596         .open = ath5k_debugfs_open,
 597         .owner = THIS_MODULE,
 598         .llseek = default_llseek,
 599 };
 600
 601
 602 /* debugfs: ani */
 603
 604 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 605                                    size_t count, loff_t *ppos)
 606 {
 607         struct ath5k_softc *sc = file->private_data;
 608         struct ath5k_statistics *st = &sc->stats;
 609         struct ath5k_ani_state *as = &sc->ani_state;
 610
 611         char buf[700];
 612         unsigned int len = 0;
 613
 614         len += snprintf(buf+len, sizeof(buf)-len,
 615                         "HW has PHY error counters:\t%s\n",
 616                         sc->ah->ah_capabilities.cap_has_phyerr_counters ?
 617                         "yes" : "no");
 618         len += snprintf(buf+len, sizeof(buf)-len,
 619                         "HW max spur immunity level:\t%d\n",
 620                         as->max_spur_level);
 621         len += snprintf(buf+len, sizeof(buf)-len,
 622                 "\nANI state\n--------------------------------------------\n");
 623         len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
 624         switch (as->ani_mode) {
 625         case ATH5K_ANI_MODE_OFF:
 626                 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
 627                 break;
 628         case ATH5K_ANI_MODE_MANUAL_LOW:
 629                 len += snprintf(buf+len, sizeof(buf)-len,
 630                         "MANUAL LOW\n");
 631                 break;
 632         case ATH5K_ANI_MODE_MANUAL_HIGH:
 633                 len += snprintf(buf+len, sizeof(buf)-len,
 634                         "MANUAL HIGH\n");
 635                 break;
 636         case ATH5K_ANI_MODE_AUTO:
 637                 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
 638                 break;
 639         default:
 640                 len += snprintf(buf+len, sizeof(buf)-len,
 641                         "??? (not good)\n");
 642                 break;
 643         }
 644         len += snprintf(buf+len, sizeof(buf)-len,
 645                         "noise immunity level:\t\t%d\n",
 646                         as->noise_imm_level);
 647         len += snprintf(buf+len, sizeof(buf)-len,
 648                         "spur immunity level:\t\t%d\n",
 649                         as->spur_level);
 650         len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
 651                         as->firstep_level);
 652         len += snprintf(buf+len, sizeof(buf)-len,
 653                         "OFDM weak signal detection:\t%s\n",
 654                         as->ofdm_weak_sig ? "on" : "off");
 655         len += snprintf(buf+len, sizeof(buf)-len,
 656                         "CCK weak signal detection:\t%s\n",
 657                         as->cck_weak_sig ? "on" : "off");
 658
 659         len += snprintf(buf+len, sizeof(buf)-len,
 660                         "\nMIB INTERRUPTS:\t\t%u\n",
 661                         st->mib_intr);
 662         len += snprintf(buf+len, sizeof(buf)-len,
 663                         "beacon RSSI average:\t%d\n",
 664                         sc->ah->ah_beacon_rssi_avg.avg);
 665         len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
 666                         as->pfc_tx,
 667                         as->pfc_cycles > 0 ?
 668                         as->pfc_tx*100/as->pfc_cycles : 0);
 669         len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
 670                         as->pfc_rx,
 671                         as->pfc_cycles > 0 ?
 672                         as->pfc_rx*100/as->pfc_cycles : 0);
 673         len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
 674                         as->pfc_busy,
 675                         as->pfc_cycles > 0 ?
 676                         as->pfc_busy*100/as->pfc_cycles : 0);
 677         len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
 678                         as->pfc_cycles);
 679         len += snprintf(buf+len, sizeof(buf)-len,
 680                         "listen time\t\t%d\tlast: %d\n",
 681                         as->listen_time, as->last_listen);
 682         len += snprintf(buf+len, sizeof(buf)-len,
 683                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 684                         as->ofdm_errors, as->last_ofdm_errors,
 685                         as->sum_ofdm_errors);
 686         len += snprintf(buf+len, sizeof(buf)-len,
 687                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 688                         as->cck_errors, as->last_cck_errors,
 689                         as->sum_cck_errors);
 690         len += snprintf(buf+len, sizeof(buf)-len,
 691                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 692                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
 693                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 694                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
 695         len += snprintf(buf+len, sizeof(buf)-len,
 696                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 697                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
 698                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 699                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
 700
 701         if (len > sizeof(buf))
 702                 len = sizeof(buf);
 703
 704         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 705 }
 706
 707 static ssize_t write_file_ani(struct file *file,
 708                                  const char __user *userbuf,
 709                                  size_t count, loff_t *ppos)
 710 {
 711         struct ath5k_softc *sc = file->private_data;
 712         char buf[20];
 713
 714         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 715                 return -EFAULT;
 716
 717         if (strncmp(buf, "sens-low", 8) == 0) {
 718                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 719         } else if (strncmp(buf, "sens-high", 9) == 0) {
 720                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
 721         } else if (strncmp(buf, "ani-off", 7) == 0) {
 722                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
 723         } else if (strncmp(buf, "ani-on", 6) == 0) {
 724                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
 725         } else if (strncmp(buf, "noise-low", 9) == 0) {
 726                 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
 727         } else if (strncmp(buf, "noise-high", 10) == 0) {
 728                 ath5k_ani_set_noise_immunity_level(sc->ah,
 729                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 730         } else if (strncmp(buf, "spur-low", 8) == 0) {
 731                 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
 732         } else if (strncmp(buf, "spur-high", 9) == 0) {
 733                 ath5k_ani_set_spur_immunity_level(sc->ah,
 734                                                   sc->ani_state.max_spur_level);
 735         } else if (strncmp(buf, "fir-low", 7) == 0) {
 736                 ath5k_ani_set_firstep_level(sc->ah, 0);
 737         } else if (strncmp(buf, "fir-high", 8) == 0) {
 738                 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 739         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 740                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
 741         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 742                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
 743         } else if (strncmp(buf, "cck-off", 7) == 0) {
 744                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
 745         } else if (strncmp(buf, "cck-on", 6) == 0) {
 746                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
 747         }
 748         return count;
 749 }
 750
 751 static const struct file_operations fops_ani = {
 752         .read = read_file_ani,
 753         .write = write_file_ani,
 754         .open = ath5k_debugfs_open,
 755         .owner = THIS_MODULE,
 756         .llseek = default_llseek,
 757 };
 758
 759
 760 /* debugfs: queues etc */
 761
 762 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 763                                    size_t count, loff_t *ppos)
 764 {
 765         struct ath5k_softc *sc = file->private_data;
 766         char buf[700];
 767         unsigned int len = 0;
 768
 769         struct ath5k_txq *txq;
 770         struct ath5k_buf *bf, *bf0;
 771         int i, n = 0;
 772
 773         len += snprintf(buf+len, sizeof(buf)-len,
 774                         "available txbuffers: %d\n", sc->txbuf_len);
 775
 776         for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
 777                 txq = &sc->txqs[i];
 778
 779                 len += snprintf(buf+len, sizeof(buf)-len,
 780                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 781
 782                 if (!txq->setup)
 783                         continue;
 784
 785                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 786                         n++;
 787                 len += snprintf(buf+len, sizeof(buf)-len, "  len: %d\n", n);
 788         }
 789
 790         if (len > sizeof(buf))
 791                 len = sizeof(buf);
 792
 793         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 794 }
 795
 796 static ssize_t write_file_queue(struct file *file,
 797                                  const char __user *userbuf,
 798                                  size_t count, loff_t *ppos)
 799 {
 800         struct ath5k_softc *sc = file->private_data;
 801         char buf[20];
 802
 803         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 804                 return -EFAULT;
 805
 806         if (strncmp(buf, "start", 5) == 0)
 807                 ieee80211_wake_queues(sc->hw);
 808         else if (strncmp(buf, "stop", 4) == 0)
 809                 ieee80211_stop_queues(sc->hw);
 810
 811         return count;
 812 }
 813
 814
 815 static const struct file_operations fops_queue = {
 816         .read = read_file_queue,
 817         .write = write_file_queue,
 818         .open = ath5k_debugfs_open,
 819         .owner = THIS_MODULE,
 820         .llseek = default_llseek,
 821 };
 822
 823
 824 /* init */
 825
 826 void
 827 ath5k_debug_init(void)
 828 {
 829         ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
 830 }
 831
 832 void
 833 ath5k_debug_init_device(struct ath5k_softc *sc)
 834 {
 835         sc->debug.level = ath5k_debug;
 836
 837         sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
 838                                 ath5k_global_debugfs);
 839
 840         sc->debug.debugfs_debug = debugfs_create_file("debug",
 841                                 S_IWUSR | S_IRUSR,
 842                                 sc->debug.debugfs_phydir, sc, &fops_debug);
 843
 844         sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUSR,
 845                                 sc->debug.debugfs_phydir, sc, &fops_registers);
 846
 847         sc->debug.debugfs_beacon = debugfs_create_file("beacon",
 848                                 S_IWUSR | S_IRUSR,
 849                                 sc->debug.debugfs_phydir, sc, &fops_beacon);
 850
 851         sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 852                                 sc->debug.debugfs_phydir, sc, &fops_reset);
 853
 854         sc->debug.debugfs_antenna = debugfs_create_file("antenna",
 855                                 S_IWUSR | S_IRUSR,
 856                                 sc->debug.debugfs_phydir, sc, &fops_antenna);
 857
 858         sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
 859                                 S_IWUSR | S_IRUSR,
 860                                 sc->debug.debugfs_phydir, sc,
 861                                 &fops_frameerrors);
 862
 863         sc->debug.debugfs_ani = debugfs_create_file("ani",
 864                                 S_IWUSR | S_IRUSR,
 865                                 sc->debug.debugfs_phydir, sc,
 866                                 &fops_ani);
 867
 868         sc->debug.debugfs_queue = debugfs_create_file("queue",
 869                                 S_IWUSR | S_IRUSR,
 870                                 sc->debug.debugfs_phydir, sc,
 871                                 &fops_queue);
 872 }
 873
 874 void
 875 ath5k_debug_finish(void)
 876 {
 877         debugfs_remove(ath5k_global_debugfs);
 878 }
 879
 880 void
 881 ath5k_debug_finish_device(struct ath5k_softc *sc)
 882 {
 883         debugfs_remove(sc->debug.debugfs_debug);
 884         debugfs_remove(sc->debug.debugfs_registers);
 885         debugfs_remove(sc->debug.debugfs_beacon);
 886         debugfs_remove(sc->debug.debugfs_reset);
 887         debugfs_remove(sc->debug.debugfs_antenna);
 888         debugfs_remove(sc->debug.debugfs_frameerrors);
 889         debugfs_remove(sc->debug.debugfs_ani);
 890         debugfs_remove(sc->debug.debugfs_queue);
 891         debugfs_remove(sc->debug.debugfs_phydir);
 892 }
 893
 894
 895 /* functions used in other places */
 896
 897 void
 898 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 899 {
 900         unsigned int b, i;
 901
 902         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 903                 return;
 904
 905         BUG_ON(!sc->sbands);
 906
 907         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 908                 struct ieee80211_supported_band *band = &sc->sbands[b];
 909                 char bname[6];
 910                 switch (band->band) {
 911                 case IEEE80211_BAND_2GHZ:
 912                         strcpy(bname, "2 GHz");
 913                         break;
 914                 case IEEE80211_BAND_5GHZ:
 915                         strcpy(bname, "5 GHz");
 916                         break;
 917                 default:
 918                         printk(KERN_DEBUG "Band not supported: %d\n",
 919                                 band->band);
 920                         return;
 921                 }
 922                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 923                                 band->n_channels, band->n_bitrates);
 924                 printk(KERN_DEBUG " channels:\n");
 925                 for (i = 0; i < band->n_channels; i++)
 926                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 927                                         ieee80211_frequency_to_channel(
 928                                                 band->channels[i].center_freq),
 929                                         band->channels[i].center_freq,
 930                                         band->channels[i].hw_value,
 931                                         band->channels[i].flags);
 932                 printk(KERN_DEBUG " rates:\n");
 933                 for (i = 0; i < band->n_bitrates; i++)
 934                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 935                                         band->bitrates[i].bitrate,
 936                                         band->bitrates[i].hw_value,
 937                                         band->bitrates[i].flags,
 938                                         band->bitrates[i].hw_value_short);
 939         }
 940 }
 941
 942 static inline void
 943 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 944                        struct ath5k_rx_status *rs)
 945 {
 946         struct ath5k_desc *ds = bf->desc;
 947         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 948
 949         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 950                 ds, (unsigned long long)bf->daddr,
 951                 ds->ds_link, ds->ds_data,
 952                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 953                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
 954                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 955 }
 956
 957 void
 958 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
 959 {
 960         struct ath5k_desc *ds;
 961         struct ath5k_buf *bf;
 962         struct ath5k_rx_status rs = {};
 963         int status;
 964
 965         if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
 966                 return;
 967
 968         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
 969                 ath5k_hw_get_rxdp(ah), sc->rxlink);
 970
 971         spin_lock_bh(&sc->rxbuflock);
 972         list_for_each_entry(bf, &sc->rxbuf, list) {
 973                 ds = bf->desc;
 974                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
 975                 if (!status)
 976                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
 977         }
 978         spin_unlock_bh(&sc->rxbuflock);
 979 }
 980
 981 void
 982 ath5k_debug_dump_skb(struct ath5k_softc *sc,
 983                         struct sk_buff *skb, const char *prefix, int tx)
 984 {
 985         char buf[16];
 986
 987         if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
 988                      (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
 989                 return;
 990
 991         snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
 992
 993         print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
 994                 min(200U, skb->len));
 995
 996         printk(KERN_DEBUG "\n");
 997 }
 998
 999 void
1000 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1001 {
1002         struct ath5k_desc *ds = bf->desc;
1003         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1004         struct ath5k_tx_status ts = {};
1005         int done;
1006
1007         if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
1008                 return;
1009
1010         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1011
1012         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1013                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1014                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1015                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1016                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1017                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1018 }
1019
1020 #endif /* ifdef CONFIG_ATH5K_DEBUG */