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 struct dentry *ath5k_global_debugfs;
  76
  77 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  78 {
  79         file->private_data = inode->i_private;
  80         return 0;
  81 }
  82
  83
  84 /* debugfs: registers */
  85
  86 struct reg {
  87         const char *name;
  88         int addr;
  89 };
  90
  91 #define REG_STRUCT_INIT(r) { #r, r }
  92
  93 /* just a few random registers, might want to add more */
  94 static const struct reg regs[] = {
  95         REG_STRUCT_INIT(AR5K_CR),
  96         REG_STRUCT_INIT(AR5K_RXDP),
  97         REG_STRUCT_INIT(AR5K_CFG),
  98         REG_STRUCT_INIT(AR5K_IER),
  99         REG_STRUCT_INIT(AR5K_BCR),
 100         REG_STRUCT_INIT(AR5K_RTSD0),
 101         REG_STRUCT_INIT(AR5K_RTSD1),
 102         REG_STRUCT_INIT(AR5K_TXCFG),
 103         REG_STRUCT_INIT(AR5K_RXCFG),
 104         REG_STRUCT_INIT(AR5K_RXJLA),
 105         REG_STRUCT_INIT(AR5K_MIBC),
 106         REG_STRUCT_INIT(AR5K_TOPS),
 107         REG_STRUCT_INIT(AR5K_RXNOFRM),
 108         REG_STRUCT_INIT(AR5K_TXNOFRM),
 109         REG_STRUCT_INIT(AR5K_RPGTO),
 110         REG_STRUCT_INIT(AR5K_RFCNT),
 111         REG_STRUCT_INIT(AR5K_MISC),
 112         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 113         REG_STRUCT_INIT(AR5K_ISR),
 114         REG_STRUCT_INIT(AR5K_PISR),
 115         REG_STRUCT_INIT(AR5K_SISR0),
 116         REG_STRUCT_INIT(AR5K_SISR1),
 117         REG_STRUCT_INIT(AR5K_SISR2),
 118         REG_STRUCT_INIT(AR5K_SISR3),
 119         REG_STRUCT_INIT(AR5K_SISR4),
 120         REG_STRUCT_INIT(AR5K_IMR),
 121         REG_STRUCT_INIT(AR5K_PIMR),
 122         REG_STRUCT_INIT(AR5K_SIMR0),
 123         REG_STRUCT_INIT(AR5K_SIMR1),
 124         REG_STRUCT_INIT(AR5K_SIMR2),
 125         REG_STRUCT_INIT(AR5K_SIMR3),
 126         REG_STRUCT_INIT(AR5K_SIMR4),
 127         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 128         REG_STRUCT_INIT(AR5K_DCCFG),
 129         REG_STRUCT_INIT(AR5K_CCFG),
 130         REG_STRUCT_INIT(AR5K_CPC0),
 131         REG_STRUCT_INIT(AR5K_CPC1),
 132         REG_STRUCT_INIT(AR5K_CPC2),
 133         REG_STRUCT_INIT(AR5K_CPC3),
 134         REG_STRUCT_INIT(AR5K_CPCOVF),
 135         REG_STRUCT_INIT(AR5K_RESET_CTL),
 136         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 137         REG_STRUCT_INIT(AR5K_INTPEND),
 138         REG_STRUCT_INIT(AR5K_SFR),
 139         REG_STRUCT_INIT(AR5K_PCICFG),
 140         REG_STRUCT_INIT(AR5K_GPIOCR),
 141         REG_STRUCT_INIT(AR5K_GPIODO),
 142         REG_STRUCT_INIT(AR5K_SREV),
 143 };
 144
 145 static void *reg_start(struct seq_file *seq, loff_t *pos)
 146 {
 147         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 148 }
 149
 150 static void reg_stop(struct seq_file *seq, void *p)
 151 {
 152         /* nothing to do */
 153 }
 154
 155 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 156 {
 157         ++*pos;
 158         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 159 }
 160
 161 static int reg_show(struct seq_file *seq, void *p)
 162 {
 163         struct ath5k_softc *sc = seq->private;
 164         struct reg *r = p;
 165         seq_printf(seq, "%-25s0x%08x\n", r->name,
 166                 ath5k_hw_reg_read(sc->ah, r->addr));
 167         return 0;
 168 }
 169
 170 static const struct seq_operations register_seq_ops = {
 171         .start = reg_start,
 172         .next  = reg_next,
 173         .stop  = reg_stop,
 174         .show  = reg_show
 175 };
 176
 177 static int open_file_registers(struct inode *inode, struct file *file)
 178 {
 179         struct seq_file *s;
 180         int res;
 181         res = seq_open(file, &register_seq_ops);
 182         if (res == 0) {
 183                 s = file->private_data;
 184                 s->private = inode->i_private;
 185         }
 186         return res;
 187 }
 188
 189 static const struct file_operations fops_registers = {
 190         .open = open_file_registers,
 191         .read    = seq_read,
 192         .llseek  = seq_lseek,
 193         .release = seq_release,
 194         .owner = THIS_MODULE,
 195 };
 196
 197
 198 /* debugfs: beacons */
 199
 200 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 201                                    size_t count, loff_t *ppos)
 202 {
 203         struct ath5k_softc *sc = file->private_data;
 204         struct ath5k_hw *ah = sc->ah;
 205         char buf[500];
 206         unsigned int len = 0;
 207         unsigned int v;
 208         u64 tsf;
 209
 210         v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
 211         len += snprintf(buf+len, sizeof(buf)-len,
 212                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 213                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 214                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 215
 216         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n",
 217                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
 218
 219         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n\n",
 220                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
 221
 222         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
 223         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 224                 "AR5K_TIMER0 (TBTT)", v, v);
 225
 226         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
 227         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 228                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 229
 230         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
 231         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 232                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 233
 234         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
 235         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 236                 "AR5K_TIMER3 (ATIM)", v, v);
 237
 238         tsf = ath5k_hw_get_tsf64(sc->ah);
 239         len += snprintf(buf+len, sizeof(buf)-len,
 240                 "TSF\t\t0x%016llx\tTU: %08x\n",
 241                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 242
 243         if (len > sizeof(buf))
 244                 len = sizeof(buf);
 245
 246         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 247 }
 248
 249 static ssize_t write_file_beacon(struct file *file,
 250                                  const char __user *userbuf,
 251                                  size_t count, loff_t *ppos)
 252 {
 253         struct ath5k_softc *sc = file->private_data;
 254         struct ath5k_hw *ah = sc->ah;
 255         char buf[20];
 256
 257         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 258                 return -EFAULT;
 259
 260         if (strncmp(buf, "disable", 7) == 0) {
 261                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 262                 printk(KERN_INFO "debugfs disable beacons\n");
 263         } else if (strncmp(buf, "enable", 6) == 0) {
 264                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 265                 printk(KERN_INFO "debugfs enable beacons\n");
 266         }
 267         return count;
 268 }
 269
 270 static const struct file_operations fops_beacon = {
 271         .read = read_file_beacon,
 272         .write = write_file_beacon,
 273         .open = ath5k_debugfs_open,
 274         .owner = THIS_MODULE,
 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 };
 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_ANI,      "ani",          "adaptive noise immunity" },
 316         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 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 };
 375
 376
 377 /* debugfs: antenna */
 378
 379 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 380                                    size_t count, loff_t *ppos)
 381 {
 382         struct ath5k_softc *sc = file->private_data;
 383         char buf[700];
 384         unsigned int len = 0;
 385         unsigned int i;
 386         unsigned int v;
 387
 388         len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n",
 389                 sc->ah->ah_ant_mode);
 390         len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n",
 391                 sc->ah->ah_def_ant);
 392         len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n",
 393                 sc->ah->ah_tx_ant);
 394
 395         len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n");
 396         for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 397                 len += snprintf(buf+len, sizeof(buf)-len,
 398                         "[antenna %d]\t%d\t%d\n",
 399                         i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
 400         }
 401         len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n",
 402                         sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
 403
 404         v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
 405         len += snprintf(buf+len, sizeof(buf)-len,
 406                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 407
 408         v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
 409         len += snprintf(buf+len, sizeof(buf)-len,
 410                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 411                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 412         len += snprintf(buf+len, sizeof(buf)-len,
 413                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 414                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 415         len += snprintf(buf+len, sizeof(buf)-len,
 416                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 417                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 418         len += snprintf(buf+len, sizeof(buf)-len,
 419                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 420                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 421
 422         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
 423         len += snprintf(buf+len, sizeof(buf)-len,
 424                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 425                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 426
 427         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
 428         len += snprintf(buf+len, sizeof(buf)-len,
 429                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 430                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 431
 432         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
 433         len += snprintf(buf+len, sizeof(buf)-len,
 434                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 435                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 436
 437         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 438         len += snprintf(buf+len, sizeof(buf)-len,
 439                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 440         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 441         len += snprintf(buf+len, sizeof(buf)-len,
 442                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 443
 444         if (len > sizeof(buf))
 445                 len = sizeof(buf);
 446
 447         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 448 }
 449
 450 static ssize_t write_file_antenna(struct file *file,
 451                                  const char __user *userbuf,
 452                                  size_t count, loff_t *ppos)
 453 {
 454         struct ath5k_softc *sc = file->private_data;
 455         unsigned int i;
 456         char buf[20];
 457
 458         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 459                 return -EFAULT;
 460
 461         if (strncmp(buf, "diversity", 9) == 0) {
 462                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
 463                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 464         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 465                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
 466                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 467         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 468                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
 469                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 470         } else if (strncmp(buf, "clear", 5) == 0) {
 471                 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 472                         sc->stats.antenna_rx[i] = 0;
 473                         sc->stats.antenna_tx[i] = 0;
 474                 }
 475                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 476         }
 477         return count;
 478 }
 479
 480 static const struct file_operations fops_antenna = {
 481         .read = read_file_antenna,
 482         .write = write_file_antenna,
 483         .open = ath5k_debugfs_open,
 484         .owner = THIS_MODULE,
 485 };
 486
 487 /* debugfs: misc */
 488
 489 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 490                                    size_t count, loff_t *ppos)
 491 {
 492         struct ath5k_softc *sc = file->private_data;
 493         char buf[700];
 494         unsigned int len = 0;
 495         u32 filt = ath5k_hw_get_rx_filter(sc->ah);
 496         const char *tmp;
 497
 498         len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n",
 499                         sc->bssidmask);
 500         len += snprintf(buf+len, sizeof(buf)-len, "filter-flags: 0x%x ",
 501                         filt);
 502         if (filt & AR5K_RX_FILTER_UCAST)
 503                 len += snprintf(buf+len, sizeof(buf)-len, " UCAST");
 504         if (filt & AR5K_RX_FILTER_MCAST)
 505                 len += snprintf(buf+len, sizeof(buf)-len, " MCAST");
 506         if (filt & AR5K_RX_FILTER_BCAST)
 507                 len += snprintf(buf+len, sizeof(buf)-len, " BCAST");
 508         if (filt & AR5K_RX_FILTER_CONTROL)
 509                 len += snprintf(buf+len, sizeof(buf)-len, " CONTROL");
 510         if (filt & AR5K_RX_FILTER_BEACON)
 511                 len += snprintf(buf+len, sizeof(buf)-len, " BEACON");
 512         if (filt & AR5K_RX_FILTER_PROM)
 513                 len += snprintf(buf+len, sizeof(buf)-len, " PROM");
 514         if (filt & AR5K_RX_FILTER_XRPOLL)
 515                 len += snprintf(buf+len, sizeof(buf)-len, " XRPOLL");
 516         if (filt & AR5K_RX_FILTER_PROBEREQ)
 517                 len += snprintf(buf+len, sizeof(buf)-len, " PROBEREQ");
 518         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 519                 len += snprintf(buf+len, sizeof(buf)-len, " PHYERR-5212");
 520         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 521                 len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5212");
 522         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 523                 snprintf(buf+len, sizeof(buf)-len, " PHYERR-5211");
 524         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 525                 len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5211\n");
 526         else
 527                 len += snprintf(buf+len, sizeof(buf)-len, "\n");
 528
 529         tmp = ath_opmode_to_string(sc->opmode);
 530         if (tmp)
 531                 len += snprintf(buf+len, sizeof(buf)-len, "opmode: %s\n",
 532                                 tmp);
 533         else
 534                 len += snprintf(buf+len, sizeof(buf)-len,
 535                                 "opmode: UNKNOWN-%i\n", sc->opmode);
 536
 537         if (len > sizeof(buf))
 538                 len = sizeof(buf);
 539
 540         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 541 }
 542
 543 static const struct file_operations fops_misc = {
 544         .read = read_file_misc,
 545         .open = ath5k_debugfs_open,
 546         .owner = THIS_MODULE,
 547 };
 548
 549
 550 /* debugfs: frameerrors */
 551
 552 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 553                                    size_t count, loff_t *ppos)
 554 {
 555         struct ath5k_softc *sc = file->private_data;
 556         struct ath5k_statistics *st = &sc->stats;
 557         char buf[700];
 558         unsigned int len = 0;
 559         int i;
 560
 561         len += snprintf(buf+len, sizeof(buf)-len,
 562                         "RX\n---------------------\n");
 563         len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n",
 564                         st->rxerr_crc,
 565                         st->rx_all_count > 0 ?
 566                                 st->rxerr_crc*100/st->rx_all_count : 0);
 567         len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n",
 568                         st->rxerr_phy,
 569                         st->rx_all_count > 0 ?
 570                                 st->rxerr_phy*100/st->rx_all_count : 0);
 571         for (i = 0; i < 32; i++) {
 572                 if (st->rxerr_phy_code[i])
 573                         len += snprintf(buf+len, sizeof(buf)-len,
 574                                 " phy_err[%d]\t%d\n",
 575                                 i, st->rxerr_phy_code[i]);
 576         }
 577
 578         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
 579                         st->rxerr_fifo,
 580                         st->rx_all_count > 0 ?
 581                                 st->rxerr_fifo*100/st->rx_all_count : 0);
 582         len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n",
 583                         st->rxerr_decrypt,
 584                         st->rx_all_count > 0 ?
 585                                 st->rxerr_decrypt*100/st->rx_all_count : 0);
 586         len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n",
 587                         st->rxerr_mic,
 588                         st->rx_all_count > 0 ?
 589                                 st->rxerr_mic*100/st->rx_all_count : 0);
 590         len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n",
 591                         st->rxerr_proc,
 592                         st->rx_all_count > 0 ?
 593                                 st->rxerr_proc*100/st->rx_all_count : 0);
 594         len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n",
 595                         st->rxerr_jumbo,
 596                         st->rx_all_count > 0 ?
 597                                 st->rxerr_jumbo*100/st->rx_all_count : 0);
 598         len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
 599                         st->rx_all_count);
 600         len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%d\n",
 601                         st->rx_bytes_count);
 602
 603         len += snprintf(buf+len, sizeof(buf)-len,
 604                         "\nTX\n---------------------\n");
 605         len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n",
 606                         st->txerr_retry,
 607                         st->tx_all_count > 0 ?
 608                                 st->txerr_retry*100/st->tx_all_count : 0);
 609         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
 610                         st->txerr_fifo,
 611                         st->tx_all_count > 0 ?
 612                                 st->txerr_fifo*100/st->tx_all_count : 0);
 613         len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n",
 614                         st->txerr_filt,
 615                         st->tx_all_count > 0 ?
 616                                 st->txerr_filt*100/st->tx_all_count : 0);
 617         len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
 618                         st->tx_all_count);
 619         len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%d\n",
 620                         st->tx_bytes_count);
 621
 622         if (len > sizeof(buf))
 623                 len = sizeof(buf);
 624
 625         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 626 }
 627
 628 static ssize_t write_file_frameerrors(struct file *file,
 629                                  const char __user *userbuf,
 630                                  size_t count, loff_t *ppos)
 631 {
 632         struct ath5k_softc *sc = file->private_data;
 633         struct ath5k_statistics *st = &sc->stats;
 634         char buf[20];
 635
 636         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 637                 return -EFAULT;
 638
 639         if (strncmp(buf, "clear", 5) == 0) {
 640                 st->rxerr_crc = 0;
 641                 st->rxerr_phy = 0;
 642                 st->rxerr_fifo = 0;
 643                 st->rxerr_decrypt = 0;
 644                 st->rxerr_mic = 0;
 645                 st->rxerr_proc = 0;
 646                 st->rxerr_jumbo = 0;
 647                 st->rx_all_count = 0;
 648                 st->txerr_retry = 0;
 649                 st->txerr_fifo = 0;
 650                 st->txerr_filt = 0;
 651                 st->tx_all_count = 0;
 652                 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
 653         }
 654         return count;
 655 }
 656
 657 static const struct file_operations fops_frameerrors = {
 658         .read = read_file_frameerrors,
 659         .write = write_file_frameerrors,
 660         .open = ath5k_debugfs_open,
 661         .owner = THIS_MODULE,
 662 };
 663
 664
 665 /* debugfs: ani */
 666
 667 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 668                                    size_t count, loff_t *ppos)
 669 {
 670         struct ath5k_softc *sc = file->private_data;
 671         struct ath5k_statistics *st = &sc->stats;
 672         struct ath5k_ani_state *as = &sc->ani_state;
 673
 674         char buf[700];
 675         unsigned int len = 0;
 676
 677         len += snprintf(buf+len, sizeof(buf)-len,
 678                         "HW has PHY error counters:\t%s\n",
 679                         sc->ah->ah_capabilities.cap_has_phyerr_counters ?
 680                         "yes" : "no");
 681         len += snprintf(buf+len, sizeof(buf)-len,
 682                         "HW max spur immunity level:\t%d\n",
 683                         as->max_spur_level);
 684         len += snprintf(buf+len, sizeof(buf)-len,
 685                 "\nANI state\n--------------------------------------------\n");
 686         len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
 687         switch (as->ani_mode) {
 688         case ATH5K_ANI_MODE_OFF:
 689                 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
 690                 break;
 691         case ATH5K_ANI_MODE_MANUAL_LOW:
 692                 len += snprintf(buf+len, sizeof(buf)-len,
 693                         "MANUAL LOW\n");
 694                 break;
 695         case ATH5K_ANI_MODE_MANUAL_HIGH:
 696                 len += snprintf(buf+len, sizeof(buf)-len,
 697                         "MANUAL HIGH\n");
 698                 break;
 699         case ATH5K_ANI_MODE_AUTO:
 700                 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
 701                 break;
 702         default:
 703                 len += snprintf(buf+len, sizeof(buf)-len,
 704                         "??? (not good)\n");
 705                 break;
 706         }
 707         len += snprintf(buf+len, sizeof(buf)-len,
 708                         "noise immunity level:\t\t%d\n",
 709                         as->noise_imm_level);
 710         len += snprintf(buf+len, sizeof(buf)-len,
 711                         "spur immunity level:\t\t%d\n",
 712                         as->spur_level);
 713         len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
 714                         as->firstep_level);
 715         len += snprintf(buf+len, sizeof(buf)-len,
 716                         "OFDM weak signal detection:\t%s\n",
 717                         as->ofdm_weak_sig ? "on" : "off");
 718         len += snprintf(buf+len, sizeof(buf)-len,
 719                         "CCK weak signal detection:\t%s\n",
 720                         as->cck_weak_sig ? "on" : "off");
 721
 722         len += snprintf(buf+len, sizeof(buf)-len,
 723                         "\nMIB INTERRUPTS:\t\t%u\n",
 724                         st->mib_intr);
 725         len += snprintf(buf+len, sizeof(buf)-len,
 726                         "beacon RSSI average:\t%d\n",
 727                         sc->ah->ah_beacon_rssi_avg.avg);
 728
 729 #define CC_PRINT(_struct, _field) \
 730         _struct._field, \
 731         _struct.cycles > 0 ? \
 732         _struct._field*100/_struct.cycles : 0
 733
 734         len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
 735                         CC_PRINT(as->last_cc, tx_frame));
 736         len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
 737                         CC_PRINT(as->last_cc, rx_frame));
 738         len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
 739                         CC_PRINT(as->last_cc, rx_busy));
 740 #undef CC_PRINT
 741         len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
 742                         as->last_cc.cycles);
 743         len += snprintf(buf+len, sizeof(buf)-len,
 744                         "listen time\t\t%d\tlast: %d\n",
 745                         as->listen_time, as->last_listen);
 746         len += snprintf(buf+len, sizeof(buf)-len,
 747                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 748                         as->ofdm_errors, as->last_ofdm_errors,
 749                         as->sum_ofdm_errors);
 750         len += snprintf(buf+len, sizeof(buf)-len,
 751                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 752                         as->cck_errors, as->last_cck_errors,
 753                         as->sum_cck_errors);
 754         len += snprintf(buf+len, sizeof(buf)-len,
 755                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 756                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
 757                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 758                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
 759         len += snprintf(buf+len, sizeof(buf)-len,
 760                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 761                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
 762                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 763                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
 764
 765         if (len > sizeof(buf))
 766                 len = sizeof(buf);
 767
 768         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 769 }
 770
 771 static ssize_t write_file_ani(struct file *file,
 772                                  const char __user *userbuf,
 773                                  size_t count, loff_t *ppos)
 774 {
 775         struct ath5k_softc *sc = file->private_data;
 776         char buf[20];
 777
 778         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 779                 return -EFAULT;
 780
 781         if (strncmp(buf, "sens-low", 8) == 0) {
 782                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 783         } else if (strncmp(buf, "sens-high", 9) == 0) {
 784                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
 785         } else if (strncmp(buf, "ani-off", 7) == 0) {
 786                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
 787         } else if (strncmp(buf, "ani-on", 6) == 0) {
 788                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
 789         } else if (strncmp(buf, "noise-low", 9) == 0) {
 790                 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
 791         } else if (strncmp(buf, "noise-high", 10) == 0) {
 792                 ath5k_ani_set_noise_immunity_level(sc->ah,
 793                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 794         } else if (strncmp(buf, "spur-low", 8) == 0) {
 795                 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
 796         } else if (strncmp(buf, "spur-high", 9) == 0) {
 797                 ath5k_ani_set_spur_immunity_level(sc->ah,
 798                                                   sc->ani_state.max_spur_level);
 799         } else if (strncmp(buf, "fir-low", 7) == 0) {
 800                 ath5k_ani_set_firstep_level(sc->ah, 0);
 801         } else if (strncmp(buf, "fir-high", 8) == 0) {
 802                 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 803         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 804                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
 805         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 806                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
 807         } else if (strncmp(buf, "cck-off", 7) == 0) {
 808                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
 809         } else if (strncmp(buf, "cck-on", 6) == 0) {
 810                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
 811         }
 812         return count;
 813 }
 814
 815 static const struct file_operations fops_ani = {
 816         .read = read_file_ani,
 817         .write = write_file_ani,
 818         .open = ath5k_debugfs_open,
 819         .owner = THIS_MODULE,
 820 };
 821
 822
 823 /* debugfs: queues etc */
 824
 825 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 826                                    size_t count, loff_t *ppos)
 827 {
 828         struct ath5k_softc *sc = file->private_data;
 829         char buf[700];
 830         unsigned int len = 0;
 831
 832         struct ath5k_txq *txq;
 833         struct ath5k_buf *bf, *bf0;
 834         int i, n;
 835
 836         len += snprintf(buf+len, sizeof(buf)-len,
 837                         "available txbuffers: %d\n", sc->txbuf_len);
 838
 839         for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
 840                 txq = &sc->txqs[i];
 841
 842                 len += snprintf(buf+len, sizeof(buf)-len,
 843                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 844
 845                 if (!txq->setup)
 846                         continue;
 847
 848                 n = 0;
 849                 spin_lock_bh(&txq->lock);
 850                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 851                         n++;
 852                 spin_unlock_bh(&txq->lock);
 853
 854                 len += snprintf(buf+len, sizeof(buf)-len,
 855                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 856                 len += snprintf(buf+len, sizeof(buf)-len,
 857                                 "  stuck: %d\n", txq->txq_stuck);
 858         }
 859
 860         if (len > sizeof(buf))
 861                 len = sizeof(buf);
 862
 863         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 864 }
 865
 866 static ssize_t write_file_queue(struct file *file,
 867                                  const char __user *userbuf,
 868                                  size_t count, loff_t *ppos)
 869 {
 870         struct ath5k_softc *sc = file->private_data;
 871         char buf[20];
 872
 873         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 874                 return -EFAULT;
 875
 876         if (strncmp(buf, "start", 5) == 0)
 877                 ieee80211_wake_queues(sc->hw);
 878         else if (strncmp(buf, "stop", 4) == 0)
 879                 ieee80211_stop_queues(sc->hw);
 880
 881         return count;
 882 }
 883
 884
 885 static const struct file_operations fops_queue = {
 886         .read = read_file_queue,
 887         .write = write_file_queue,
 888         .open = ath5k_debugfs_open,
 889         .owner = THIS_MODULE,
 890 };
 891
 892
 893 /* init */
 894
 895 void
 896 ath5k_debug_init(void)
 897 {
 898         ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL);
 899 }
 900
 901 void
 902 ath5k_debug_init_device(struct ath5k_softc *sc)
 903 {
 904         sc->debug.level = ath5k_debug;
 905
 906         sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
 907                                 ath5k_global_debugfs);
 908
 909         sc->debug.debugfs_debug = debugfs_create_file("debug",
 910                                 S_IWUSR | S_IRUSR,
 911                                 sc->debug.debugfs_phydir, sc, &fops_debug);
 912
 913         sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUSR,
 914                                 sc->debug.debugfs_phydir, sc, &fops_registers);
 915
 916         sc->debug.debugfs_beacon = debugfs_create_file("beacon",
 917                                 S_IWUSR | S_IRUSR,
 918                                 sc->debug.debugfs_phydir, sc, &fops_beacon);
 919
 920         sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 921                                 sc->debug.debugfs_phydir, sc, &fops_reset);
 922
 923         sc->debug.debugfs_antenna = debugfs_create_file("antenna",
 924                                 S_IWUSR | S_IRUSR,
 925                                 sc->debug.debugfs_phydir, sc, &fops_antenna);
 926
 927         sc->debug.debugfs_misc = debugfs_create_file("misc",
 928                                 S_IRUSR,
 929                                 sc->debug.debugfs_phydir, sc, &fops_misc);
 930
 931         sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
 932                                 S_IWUSR | S_IRUSR,
 933                                 sc->debug.debugfs_phydir, sc,
 934                                 &fops_frameerrors);
 935
 936         sc->debug.debugfs_ani = debugfs_create_file("ani",
 937                                 S_IWUSR | S_IRUSR,
 938                                 sc->debug.debugfs_phydir, sc,
 939                                 &fops_ani);
 940
 941         sc->debug.debugfs_queue = debugfs_create_file("queue",
 942                                 S_IWUSR | S_IRUSR,
 943                                 sc->debug.debugfs_phydir, sc,
 944                                 &fops_queue);
 945 }
 946
 947 void
 948 ath5k_debug_finish(void)
 949 {
 950         debugfs_remove(ath5k_global_debugfs);
 951 }
 952
 953 void
 954 ath5k_debug_finish_device(struct ath5k_softc *sc)
 955 {
 956         debugfs_remove(sc->debug.debugfs_debug);
 957         debugfs_remove(sc->debug.debugfs_registers);
 958         debugfs_remove(sc->debug.debugfs_beacon);
 959         debugfs_remove(sc->debug.debugfs_reset);
 960         debugfs_remove(sc->debug.debugfs_antenna);
 961         debugfs_remove(sc->debug.debugfs_misc);
 962         debugfs_remove(sc->debug.debugfs_frameerrors);
 963         debugfs_remove(sc->debug.debugfs_ani);
 964         debugfs_remove(sc->debug.debugfs_queue);
 965         debugfs_remove(sc->debug.debugfs_phydir);
 966 }
 967
 968
 969 /* functions used in other places */
 970
 971 void
 972 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 973 {
 974         unsigned int b, i;
 975
 976         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 977                 return;
 978
 979         BUG_ON(!sc->sbands);
 980
 981         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 982                 struct ieee80211_supported_band *band = &sc->sbands[b];
 983                 char bname[6];
 984                 switch (band->band) {
 985                 case IEEE80211_BAND_2GHZ:
 986                         strcpy(bname, "2 GHz");
 987                         break;
 988                 case IEEE80211_BAND_5GHZ:
 989                         strcpy(bname, "5 GHz");
 990                         break;
 991                 default:
 992                         printk(KERN_DEBUG "Band not supported: %d\n",
 993                                 band->band);
 994                         return;
 995                 }
 996                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 997                                 band->n_channels, band->n_bitrates);
 998                 printk(KERN_DEBUG " channels:\n");
 999                 for (i = 0; i < band->n_channels; i++)
1000                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
1001                                         ieee80211_frequency_to_channel(
1002                                                 band->channels[i].center_freq),
1003                                         band->channels[i].center_freq,
1004                                         band->channels[i].hw_value,
1005                                         band->channels[i].flags);
1006                 printk(KERN_DEBUG " rates:\n");
1007                 for (i = 0; i < band->n_bitrates; i++)
1008                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
1009                                         band->bitrates[i].bitrate,
1010                                         band->bitrates[i].hw_value,
1011                                         band->bitrates[i].flags,
1012                                         band->bitrates[i].hw_value_short);
1013         }
1014 }
1015
1016 static inline void
1017 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1018                        struct ath5k_rx_status *rs)
1019 {
1020         struct ath5k_desc *ds = bf->desc;
1021         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1022
1023         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1024                 ds, (unsigned long long)bf->daddr,
1025                 ds->ds_link, ds->ds_data,
1026                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1027                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1028                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1029 }
1030
1031 void
1032 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
1033 {
1034         struct ath5k_desc *ds;
1035         struct ath5k_buf *bf;
1036         struct ath5k_rx_status rs = {};
1037         int status;
1038
1039         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1040                 return;
1041
1042         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1043                 ath5k_hw_get_rxdp(ah), sc->rxlink);
1044
1045         spin_lock_bh(&sc->rxbuflock);
1046         list_for_each_entry(bf, &sc->rxbuf, list) {
1047                 ds = bf->desc;
1048                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1049                 if (!status)
1050                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1051         }
1052         spin_unlock_bh(&sc->rxbuflock);
1053 }
1054
1055 void
1056 ath5k_debug_dump_skb(struct ath5k_softc *sc,
1057                         struct sk_buff *skb, const char *prefix, int tx)
1058 {
1059         char buf[16];
1060
1061         if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
1062                      (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
1063                 return;
1064
1065         snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
1066
1067         print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
1068                 min(200U, skb->len));
1069
1070         printk(KERN_DEBUG "\n");
1071 }
1072
1073 void
1074 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1075 {
1076         struct ath5k_desc *ds = bf->desc;
1077         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1078         struct ath5k_tx_status ts = {};
1079         int done;
1080
1081         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1082                 return;
1083
1084         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1085
1086         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1087                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1088                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1089                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1090                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1091                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1092 }
1093
1094 #endif /* ifdef CONFIG_ATH5K_DEBUG */