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 #include "../debug.h"
  64
  65 static unsigned int ath5k_debug;
  66 module_param_named(debug, ath5k_debug, uint, 0);
  67
  68
  69 #ifdef CONFIG_ATH5K_DEBUG
  70
  71 #include <linux/seq_file.h>
  72 #include "reg.h"
  73 #include "ani.h"
  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         const 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 const 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) ? (void *)&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) ? (void *)&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         if (len > sizeof(buf))
 242                 len = sizeof(buf);
 243
 244         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 245 }
 246
 247 static ssize_t write_file_beacon(struct file *file,
 248                                  const char __user *userbuf,
 249                                  size_t count, loff_t *ppos)
 250 {
 251         struct ath5k_softc *sc = file->private_data;
 252         struct ath5k_hw *ah = sc->ah;
 253         char buf[20];
 254
 255         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 256                 return -EFAULT;
 257
 258         if (strncmp(buf, "disable", 7) == 0) {
 259                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 printk(KERN_INFO "debugfs disable beacons\n");
 261         } else if (strncmp(buf, "enable", 6) == 0) {
 262                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 263                 printk(KERN_INFO "debugfs enable beacons\n");
 264         }
 265         return count;
 266 }
 267
 268 static const struct file_operations fops_beacon = {
 269         .read = read_file_beacon,
 270         .write = write_file_beacon,
 271         .open = ath5k_debugfs_open,
 272         .owner = THIS_MODULE,
 273         .llseek = default_llseek,
 274 };
 275
 276
 277 /* debugfs: reset */
 278
 279 static ssize_t write_file_reset(struct file *file,
 280                                  const char __user *userbuf,
 281                                  size_t count, loff_t *ppos)
 282 {
 283         struct ath5k_softc *sc = file->private_data;
 284         ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 285         ieee80211_queue_work(sc->hw, &sc->reset_work);
 286         return count;
 287 }
 288
 289 static const struct file_operations fops_reset = {
 290         .write = write_file_reset,
 291         .open = ath5k_debugfs_open,
 292         .owner = THIS_MODULE,
 293         .llseek = noop_llseek,
 294 };
 295
 296
 297 /* debugfs: debug level */
 298
 299 static const struct {
 300         enum ath5k_debug_level level;
 301         const char *name;
 302         const char *desc;
 303 } dbg_info[] = {
 304         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 305         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 306         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 307         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 308         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 309         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 310         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 311         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 312         { ATH5K_DEBUG_DUMP_RX,  "dumprx",       "print received skb content" },
 313         { ATH5K_DEBUG_DUMP_TX,  "dumptx",       "print transmit skb content" },
 314         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 315         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 316         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 317         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 318         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 319 };
 320
 321 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 322                                    size_t count, loff_t *ppos)
 323 {
 324         struct ath5k_softc *sc = file->private_data;
 325         char buf[700];
 326         unsigned int len = 0;
 327         unsigned int i;
 328
 329         len += snprintf(buf+len, sizeof(buf)-len,
 330                 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
 331
 332         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 333                 len += snprintf(buf+len, sizeof(buf)-len,
 334                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 335                         sc->debug.level & dbg_info[i].level ? '+' : ' ',
 336                         dbg_info[i].level, dbg_info[i].desc);
 337         }
 338         len += snprintf(buf+len, sizeof(buf)-len,
 339                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 340                 sc->debug.level == dbg_info[i].level ? '+' : ' ',
 341                 dbg_info[i].level, dbg_info[i].desc);
 342
 343         if (len > sizeof(buf))
 344                 len = sizeof(buf);
 345
 346         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 347 }
 348
 349 static ssize_t write_file_debug(struct file *file,
 350                                  const char __user *userbuf,
 351                                  size_t count, loff_t *ppos)
 352 {
 353         struct ath5k_softc *sc = file->private_data;
 354         unsigned int i;
 355         char buf[20];
 356
 357         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 358                 return -EFAULT;
 359
 360         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 361                 if (strncmp(buf, dbg_info[i].name,
 362                                         strlen(dbg_info[i].name)) == 0) {
 363                         sc->debug.level ^= dbg_info[i].level; /* toggle bit */
 364                         break;
 365                 }
 366         }
 367         return count;
 368 }
 369
 370 static const struct file_operations fops_debug = {
 371         .read = read_file_debug,
 372         .write = write_file_debug,
 373         .open = ath5k_debugfs_open,
 374         .owner = THIS_MODULE,
 375         .llseek = default_llseek,
 376 };
 377
 378
 379 /* debugfs: antenna */
 380
 381 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 382                                    size_t count, loff_t *ppos)
 383 {
 384         struct ath5k_softc *sc = file->private_data;
 385         char buf[700];
 386         unsigned int len = 0;
 387         unsigned int i;
 388         unsigned int v;
 389
 390         len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n",
 391                 sc->ah->ah_ant_mode);
 392         len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n",
 393                 sc->ah->ah_def_ant);
 394         len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n",
 395                 sc->ah->ah_tx_ant);
 396
 397         len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n");
 398         for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 399                 len += snprintf(buf+len, sizeof(buf)-len,
 400                         "[antenna %d]\t%d\t%d\n",
 401                         i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
 402         }
 403         len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n",
 404                         sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
 405
 406         v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
 407         len += snprintf(buf+len, sizeof(buf)-len,
 408                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 409
 410         v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
 411         len += snprintf(buf+len, sizeof(buf)-len,
 412                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 413                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 414         len += snprintf(buf+len, sizeof(buf)-len,
 415                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 416                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 417         len += snprintf(buf+len, sizeof(buf)-len,
 418                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 419                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 420         len += snprintf(buf+len, sizeof(buf)-len,
 421                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 422                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 423
 424         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
 425         len += snprintf(buf+len, sizeof(buf)-len,
 426                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 427                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 428
 429         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
 430         len += snprintf(buf+len, sizeof(buf)-len,
 431                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 432                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 433
 434         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
 435         len += snprintf(buf+len, sizeof(buf)-len,
 436                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 437                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 438
 439         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 440         len += snprintf(buf+len, sizeof(buf)-len,
 441                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 442         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 443         len += snprintf(buf+len, sizeof(buf)-len,
 444                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 445
 446         if (len > sizeof(buf))
 447                 len = sizeof(buf);
 448
 449         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 450 }
 451
 452 static ssize_t write_file_antenna(struct file *file,
 453                                  const char __user *userbuf,
 454                                  size_t count, loff_t *ppos)
 455 {
 456         struct ath5k_softc *sc = file->private_data;
 457         unsigned int i;
 458         char buf[20];
 459
 460         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 461                 return -EFAULT;
 462
 463         if (strncmp(buf, "diversity", 9) == 0) {
 464                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
 465                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 466         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 467                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
 468                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 469         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 470                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
 471                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 472         } else if (strncmp(buf, "clear", 5) == 0) {
 473                 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 474                         sc->stats.antenna_rx[i] = 0;
 475                         sc->stats.antenna_tx[i] = 0;
 476                 }
 477                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 478         }
 479         return count;
 480 }
 481
 482 static const struct file_operations fops_antenna = {
 483         .read = read_file_antenna,
 484         .write = write_file_antenna,
 485         .open = ath5k_debugfs_open,
 486         .owner = THIS_MODULE,
 487         .llseek = default_llseek,
 488 };
 489
 490 /* debugfs: misc */
 491
 492 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 493                                    size_t count, loff_t *ppos)
 494 {
 495         struct ath5k_softc *sc = file->private_data;
 496         char buf[700];
 497         unsigned int len = 0;
 498         u32 filt = ath5k_hw_get_rx_filter(sc->ah);
 499
 500         len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n",
 501                         sc->bssidmask);
 502         len += snprintf(buf+len, sizeof(buf)-len, "filter-flags: 0x%x ",
 503                         filt);
 504         if (filt & AR5K_RX_FILTER_UCAST)
 505                 len += snprintf(buf+len, sizeof(buf)-len, " UCAST");
 506         if (filt & AR5K_RX_FILTER_MCAST)
 507                 len += snprintf(buf+len, sizeof(buf)-len, " MCAST");
 508         if (filt & AR5K_RX_FILTER_BCAST)
 509                 len += snprintf(buf+len, sizeof(buf)-len, " BCAST");
 510         if (filt & AR5K_RX_FILTER_CONTROL)
 511                 len += snprintf(buf+len, sizeof(buf)-len, " CONTROL");
 512         if (filt & AR5K_RX_FILTER_BEACON)
 513                 len += snprintf(buf+len, sizeof(buf)-len, " BEACON");
 514         if (filt & AR5K_RX_FILTER_PROM)
 515                 len += snprintf(buf+len, sizeof(buf)-len, " PROM");
 516         if (filt & AR5K_RX_FILTER_XRPOLL)
 517                 len += snprintf(buf+len, sizeof(buf)-len, " XRPOLL");
 518         if (filt & AR5K_RX_FILTER_PROBEREQ)
 519                 len += snprintf(buf+len, sizeof(buf)-len, " PROBEREQ");
 520         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 521                 len += snprintf(buf+len, sizeof(buf)-len, " PHYERR-5212");
 522         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 523                 len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5212");
 524         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 525                 snprintf(buf+len, sizeof(buf)-len, " PHYERR-5211");
 526         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 527                 len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5211");
 528
 529         len += snprintf(buf+len, sizeof(buf)-len, "\nopmode: %s (%d)\n",
 530                         ath_opmode_to_string(sc->opmode), sc->opmode);
 531
 532         if (len > sizeof(buf))
 533                 len = sizeof(buf);
 534
 535         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 536 }
 537
 538 static const struct file_operations fops_misc = {
 539         .read = read_file_misc,
 540         .open = ath5k_debugfs_open,
 541         .owner = THIS_MODULE,
 542 };
 543
 544
 545 /* debugfs: frameerrors */
 546
 547 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 548                                    size_t count, loff_t *ppos)
 549 {
 550         struct ath5k_softc *sc = file->private_data;
 551         struct ath5k_statistics *st = &sc->stats;
 552         char buf[700];
 553         unsigned int len = 0;
 554         int i;
 555
 556         len += snprintf(buf+len, sizeof(buf)-len,
 557                         "RX\n---------------------\n");
 558         len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%u\t(%u%%)\n",
 559                         st->rxerr_crc,
 560                         st->rx_all_count > 0 ?
 561                                 st->rxerr_crc*100/st->rx_all_count : 0);
 562         len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%u\t(%u%%)\n",
 563                         st->rxerr_phy,
 564                         st->rx_all_count > 0 ?
 565                                 st->rxerr_phy*100/st->rx_all_count : 0);
 566         for (i = 0; i < 32; i++) {
 567                 if (st->rxerr_phy_code[i])
 568                         len += snprintf(buf+len, sizeof(buf)-len,
 569                                 " phy_err[%u]\t%u\n",
 570                                 i, st->rxerr_phy_code[i]);
 571         }
 572
 573         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%u\t(%u%%)\n",
 574                         st->rxerr_fifo,
 575                         st->rx_all_count > 0 ?
 576                                 st->rxerr_fifo*100/st->rx_all_count : 0);
 577         len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%u\t(%u%%)\n",
 578                         st->rxerr_decrypt,
 579                         st->rx_all_count > 0 ?
 580                                 st->rxerr_decrypt*100/st->rx_all_count : 0);
 581         len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%u\t(%u%%)\n",
 582                         st->rxerr_mic,
 583                         st->rx_all_count > 0 ?
 584                                 st->rxerr_mic*100/st->rx_all_count : 0);
 585         len += snprintf(buf+len, sizeof(buf)-len, "process\t%u\t(%u%%)\n",
 586                         st->rxerr_proc,
 587                         st->rx_all_count > 0 ?
 588                                 st->rxerr_proc*100/st->rx_all_count : 0);
 589         len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%u\t(%u%%)\n",
 590                         st->rxerr_jumbo,
 591                         st->rx_all_count > 0 ?
 592                                 st->rxerr_jumbo*100/st->rx_all_count : 0);
 593         len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%u]\n",
 594                         st->rx_all_count);
 595         len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%u\n",
 596                         st->rx_bytes_count);
 597
 598         len += snprintf(buf+len, sizeof(buf)-len,
 599                         "\nTX\n---------------------\n");
 600         len += snprintf(buf+len, sizeof(buf)-len, "retry\t%u\t(%u%%)\n",
 601                         st->txerr_retry,
 602                         st->tx_all_count > 0 ?
 603                                 st->txerr_retry*100/st->tx_all_count : 0);
 604         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%u\t(%u%%)\n",
 605                         st->txerr_fifo,
 606                         st->tx_all_count > 0 ?
 607                                 st->txerr_fifo*100/st->tx_all_count : 0);
 608         len += snprintf(buf+len, sizeof(buf)-len, "filter\t%u\t(%u%%)\n",
 609                         st->txerr_filt,
 610                         st->tx_all_count > 0 ?
 611                                 st->txerr_filt*100/st->tx_all_count : 0);
 612         len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%u]\n",
 613                         st->tx_all_count);
 614         len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%u\n",
 615                         st->tx_bytes_count);
 616
 617         if (len > sizeof(buf))
 618                 len = sizeof(buf);
 619
 620         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 621 }
 622
 623 static ssize_t write_file_frameerrors(struct file *file,
 624                                  const char __user *userbuf,
 625                                  size_t count, loff_t *ppos)
 626 {
 627         struct ath5k_softc *sc = file->private_data;
 628         struct ath5k_statistics *st = &sc->stats;
 629         char buf[20];
 630
 631         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 632                 return -EFAULT;
 633
 634         if (strncmp(buf, "clear", 5) == 0) {
 635                 st->rxerr_crc = 0;
 636                 st->rxerr_phy = 0;
 637                 st->rxerr_fifo = 0;
 638                 st->rxerr_decrypt = 0;
 639                 st->rxerr_mic = 0;
 640                 st->rxerr_proc = 0;
 641                 st->rxerr_jumbo = 0;
 642                 st->rx_all_count = 0;
 643                 st->txerr_retry = 0;
 644                 st->txerr_fifo = 0;
 645                 st->txerr_filt = 0;
 646                 st->tx_all_count = 0;
 647                 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
 648         }
 649         return count;
 650 }
 651
 652 static const struct file_operations fops_frameerrors = {
 653         .read = read_file_frameerrors,
 654         .write = write_file_frameerrors,
 655         .open = ath5k_debugfs_open,
 656         .owner = THIS_MODULE,
 657         .llseek = default_llseek,
 658 };
 659
 660
 661 /* debugfs: ani */
 662
 663 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 664                                    size_t count, loff_t *ppos)
 665 {
 666         struct ath5k_softc *sc = file->private_data;
 667         struct ath5k_statistics *st = &sc->stats;
 668         struct ath5k_ani_state *as = &sc->ani_state;
 669
 670         char buf[700];
 671         unsigned int len = 0;
 672
 673         len += snprintf(buf+len, sizeof(buf)-len,
 674                         "HW has PHY error counters:\t%s\n",
 675                         sc->ah->ah_capabilities.cap_has_phyerr_counters ?
 676                         "yes" : "no");
 677         len += snprintf(buf+len, sizeof(buf)-len,
 678                         "HW max spur immunity level:\t%d\n",
 679                         as->max_spur_level);
 680         len += snprintf(buf+len, sizeof(buf)-len,
 681                 "\nANI state\n--------------------------------------------\n");
 682         len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
 683         switch (as->ani_mode) {
 684         case ATH5K_ANI_MODE_OFF:
 685                 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
 686                 break;
 687         case ATH5K_ANI_MODE_MANUAL_LOW:
 688                 len += snprintf(buf+len, sizeof(buf)-len,
 689                         "MANUAL LOW\n");
 690                 break;
 691         case ATH5K_ANI_MODE_MANUAL_HIGH:
 692                 len += snprintf(buf+len, sizeof(buf)-len,
 693                         "MANUAL HIGH\n");
 694                 break;
 695         case ATH5K_ANI_MODE_AUTO:
 696                 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
 697                 break;
 698         default:
 699                 len += snprintf(buf+len, sizeof(buf)-len,
 700                         "??? (not good)\n");
 701                 break;
 702         }
 703         len += snprintf(buf+len, sizeof(buf)-len,
 704                         "noise immunity level:\t\t%d\n",
 705                         as->noise_imm_level);
 706         len += snprintf(buf+len, sizeof(buf)-len,
 707                         "spur immunity level:\t\t%d\n",
 708                         as->spur_level);
 709         len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
 710                         as->firstep_level);
 711         len += snprintf(buf+len, sizeof(buf)-len,
 712                         "OFDM weak signal detection:\t%s\n",
 713                         as->ofdm_weak_sig ? "on" : "off");
 714         len += snprintf(buf+len, sizeof(buf)-len,
 715                         "CCK weak signal detection:\t%s\n",
 716                         as->cck_weak_sig ? "on" : "off");
 717
 718         len += snprintf(buf+len, sizeof(buf)-len,
 719                         "\nMIB INTERRUPTS:\t\t%u\n",
 720                         st->mib_intr);
 721         len += snprintf(buf+len, sizeof(buf)-len,
 722                         "beacon RSSI average:\t%d\n",
 723                         (int)ewma_read(&sc->ah->ah_beacon_rssi_avg));
 724
 725 #define CC_PRINT(_struct, _field) \
 726         _struct._field, \
 727         _struct.cycles > 0 ? \
 728         _struct._field*100/_struct.cycles : 0
 729
 730         len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
 731                         CC_PRINT(as->last_cc, tx_frame));
 732         len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
 733                         CC_PRINT(as->last_cc, rx_frame));
 734         len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
 735                         CC_PRINT(as->last_cc, rx_busy));
 736 #undef CC_PRINT
 737         len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
 738                         as->last_cc.cycles);
 739         len += snprintf(buf+len, sizeof(buf)-len,
 740                         "listen time\t\t%d\tlast: %d\n",
 741                         as->listen_time, as->last_listen);
 742         len += snprintf(buf+len, sizeof(buf)-len,
 743                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 744                         as->ofdm_errors, as->last_ofdm_errors,
 745                         as->sum_ofdm_errors);
 746         len += snprintf(buf+len, sizeof(buf)-len,
 747                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 748                         as->cck_errors, as->last_cck_errors,
 749                         as->sum_cck_errors);
 750         len += snprintf(buf+len, sizeof(buf)-len,
 751                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 752                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
 753                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 754                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
 755         len += snprintf(buf+len, sizeof(buf)-len,
 756                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 757                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
 758                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 759                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
 760
 761         if (len > sizeof(buf))
 762                 len = sizeof(buf);
 763
 764         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 765 }
 766
 767 static ssize_t write_file_ani(struct file *file,
 768                                  const char __user *userbuf,
 769                                  size_t count, loff_t *ppos)
 770 {
 771         struct ath5k_softc *sc = file->private_data;
 772         char buf[20];
 773
 774         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 775                 return -EFAULT;
 776
 777         if (strncmp(buf, "sens-low", 8) == 0) {
 778                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 779         } else if (strncmp(buf, "sens-high", 9) == 0) {
 780                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
 781         } else if (strncmp(buf, "ani-off", 7) == 0) {
 782                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
 783         } else if (strncmp(buf, "ani-on", 6) == 0) {
 784                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
 785         } else if (strncmp(buf, "noise-low", 9) == 0) {
 786                 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
 787         } else if (strncmp(buf, "noise-high", 10) == 0) {
 788                 ath5k_ani_set_noise_immunity_level(sc->ah,
 789                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 790         } else if (strncmp(buf, "spur-low", 8) == 0) {
 791                 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
 792         } else if (strncmp(buf, "spur-high", 9) == 0) {
 793                 ath5k_ani_set_spur_immunity_level(sc->ah,
 794                                                   sc->ani_state.max_spur_level);
 795         } else if (strncmp(buf, "fir-low", 7) == 0) {
 796                 ath5k_ani_set_firstep_level(sc->ah, 0);
 797         } else if (strncmp(buf, "fir-high", 8) == 0) {
 798                 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 799         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 800                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
 801         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 802                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
 803         } else if (strncmp(buf, "cck-off", 7) == 0) {
 804                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
 805         } else if (strncmp(buf, "cck-on", 6) == 0) {
 806                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
 807         }
 808         return count;
 809 }
 810
 811 static const struct file_operations fops_ani = {
 812         .read = read_file_ani,
 813         .write = write_file_ani,
 814         .open = ath5k_debugfs_open,
 815         .owner = THIS_MODULE,
 816         .llseek = default_llseek,
 817 };
 818
 819
 820 /* debugfs: queues etc */
 821
 822 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 823                                    size_t count, loff_t *ppos)
 824 {
 825         struct ath5k_softc *sc = file->private_data;
 826         char buf[700];
 827         unsigned int len = 0;
 828
 829         struct ath5k_txq *txq;
 830         struct ath5k_buf *bf, *bf0;
 831         int i, n;
 832
 833         len += snprintf(buf+len, sizeof(buf)-len,
 834                         "available txbuffers: %d\n", sc->txbuf_len);
 835
 836         for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
 837                 txq = &sc->txqs[i];
 838
 839                 len += snprintf(buf+len, sizeof(buf)-len,
 840                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 841
 842                 if (!txq->setup)
 843                         continue;
 844
 845                 n = 0;
 846                 spin_lock_bh(&txq->lock);
 847                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 848                         n++;
 849                 spin_unlock_bh(&txq->lock);
 850
 851                 len += snprintf(buf+len, sizeof(buf)-len,
 852                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 853                 len += snprintf(buf+len, sizeof(buf)-len,
 854                                 "  stuck: %d\n", txq->txq_stuck);
 855         }
 856
 857         if (len > sizeof(buf))
 858                 len = sizeof(buf);
 859
 860         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 861 }
 862
 863 static ssize_t write_file_queue(struct file *file,
 864                                  const char __user *userbuf,
 865                                  size_t count, loff_t *ppos)
 866 {
 867         struct ath5k_softc *sc = file->private_data;
 868         char buf[20];
 869
 870         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 871                 return -EFAULT;
 872
 873         if (strncmp(buf, "start", 5) == 0)
 874                 ieee80211_wake_queues(sc->hw);
 875         else if (strncmp(buf, "stop", 4) == 0)
 876                 ieee80211_stop_queues(sc->hw);
 877
 878         return count;
 879 }
 880
 881
 882 static const struct file_operations fops_queue = {
 883         .read = read_file_queue,
 884         .write = write_file_queue,
 885         .open = ath5k_debugfs_open,
 886         .owner = THIS_MODULE,
 887         .llseek = default_llseek,
 888 };
 889
 890
 891 void
 892 ath5k_debug_init_device(struct ath5k_softc *sc)
 893 {
 894         sc->debug.level = ath5k_debug;
 895
 896         sc->debug.debugfs_phydir = debugfs_create_dir("ath5k",
 897                                 sc->hw->wiphy->debugfsdir);
 898
 899         sc->debug.debugfs_debug = debugfs_create_file("debug",
 900                                 S_IWUSR | S_IRUSR,
 901                                 sc->debug.debugfs_phydir, sc, &fops_debug);
 902
 903         sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUSR,
 904                                 sc->debug.debugfs_phydir, sc, &fops_registers);
 905
 906         sc->debug.debugfs_beacon = debugfs_create_file("beacon",
 907                                 S_IWUSR | S_IRUSR,
 908                                 sc->debug.debugfs_phydir, sc, &fops_beacon);
 909
 910         sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 911                                 sc->debug.debugfs_phydir, sc, &fops_reset);
 912
 913         sc->debug.debugfs_antenna = debugfs_create_file("antenna",
 914                                 S_IWUSR | S_IRUSR,
 915                                 sc->debug.debugfs_phydir, sc, &fops_antenna);
 916
 917         sc->debug.debugfs_misc = debugfs_create_file("misc",
 918                                 S_IRUSR,
 919                                 sc->debug.debugfs_phydir, sc, &fops_misc);
 920
 921         sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
 922                                 S_IWUSR | S_IRUSR,
 923                                 sc->debug.debugfs_phydir, sc,
 924                                 &fops_frameerrors);
 925
 926         sc->debug.debugfs_ani = debugfs_create_file("ani",
 927                                 S_IWUSR | S_IRUSR,
 928                                 sc->debug.debugfs_phydir, sc,
 929                                 &fops_ani);
 930
 931         sc->debug.debugfs_queue = debugfs_create_file("queue",
 932                                 S_IWUSR | S_IRUSR,
 933                                 sc->debug.debugfs_phydir, sc,
 934                                 &fops_queue);
 935 }
 936
 937 void
 938 ath5k_debug_finish_device(struct ath5k_softc *sc)
 939 {
 940         debugfs_remove(sc->debug.debugfs_debug);
 941         debugfs_remove(sc->debug.debugfs_registers);
 942         debugfs_remove(sc->debug.debugfs_beacon);
 943         debugfs_remove(sc->debug.debugfs_reset);
 944         debugfs_remove(sc->debug.debugfs_antenna);
 945         debugfs_remove(sc->debug.debugfs_misc);
 946         debugfs_remove(sc->debug.debugfs_frameerrors);
 947         debugfs_remove(sc->debug.debugfs_ani);
 948         debugfs_remove(sc->debug.debugfs_queue);
 949         debugfs_remove(sc->debug.debugfs_phydir);
 950 }
 951
 952
 953 /* functions used in other places */
 954
 955 void
 956 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 957 {
 958         unsigned int b, i;
 959
 960         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 961                 return;
 962
 963         BUG_ON(!sc->sbands);
 964
 965         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 966                 struct ieee80211_supported_band *band = &sc->sbands[b];
 967                 char bname[6];
 968                 switch (band->band) {
 969                 case IEEE80211_BAND_2GHZ:
 970                         strcpy(bname, "2 GHz");
 971                         break;
 972                 case IEEE80211_BAND_5GHZ:
 973                         strcpy(bname, "5 GHz");
 974                         break;
 975                 default:
 976                         printk(KERN_DEBUG "Band not supported: %d\n",
 977                                 band->band);
 978                         return;
 979                 }
 980                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 981                                 band->n_channels, band->n_bitrates);
 982                 printk(KERN_DEBUG " channels:\n");
 983                 for (i = 0; i < band->n_channels; i++)
 984                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 985                                         ieee80211_frequency_to_channel(
 986                                                 band->channels[i].center_freq),
 987                                         band->channels[i].center_freq,
 988                                         band->channels[i].hw_value,
 989                                         band->channels[i].flags);
 990                 printk(KERN_DEBUG " rates:\n");
 991                 for (i = 0; i < band->n_bitrates; i++)
 992                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 993                                         band->bitrates[i].bitrate,
 994                                         band->bitrates[i].hw_value,
 995                                         band->bitrates[i].flags,
 996                                         band->bitrates[i].hw_value_short);
 997         }
 998 }
 999
1000 static inline void
1001 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1002                        struct ath5k_rx_status *rs)
1003 {
1004         struct ath5k_desc *ds = bf->desc;
1005         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1006
1007         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1008                 ds, (unsigned long long)bf->daddr,
1009                 ds->ds_link, ds->ds_data,
1010                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1011                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1012                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1013 }
1014
1015 void
1016 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
1017 {
1018         struct ath5k_desc *ds;
1019         struct ath5k_buf *bf;
1020         struct ath5k_rx_status rs = {};
1021         int status;
1022
1023         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1024                 return;
1025
1026         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1027                 ath5k_hw_get_rxdp(ah), sc->rxlink);
1028
1029         spin_lock_bh(&sc->rxbuflock);
1030         list_for_each_entry(bf, &sc->rxbuf, list) {
1031                 ds = bf->desc;
1032                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1033                 if (!status)
1034                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1035         }
1036         spin_unlock_bh(&sc->rxbuflock);
1037 }
1038
1039 void
1040 ath5k_debug_dump_skb(struct ath5k_softc *sc,
1041                         struct sk_buff *skb, const char *prefix, int tx)
1042 {
1043         char buf[16];
1044
1045         if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
1046                      (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
1047                 return;
1048
1049         snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
1050
1051         print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
1052                 min(200U, skb->len));
1053
1054         printk(KERN_DEBUG "\n");
1055 }
1056
1057 void
1058 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1059 {
1060         struct ath5k_desc *ds = bf->desc;
1061         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1062         struct ath5k_tx_status ts = {};
1063         int done;
1064
1065         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1066                 return;
1067
1068         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1069
1070         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1071                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1072                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1073                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1074                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1075                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1076 }
1077
1078 #endif /* ifdef CONFIG_ATH5K_DEBUG */