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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  62
  63 #include <linux/export.h>
  64 #include <linux/moduleparam.h>
  65 #include <linux/vmalloc.h>
  66
  67 #include <linux/seq_file.h>
  68 #include <linux/list.h>
  69 #include <linux/vmalloc.h>
  70 #include "debug.h"
  71 #include "ath5k.h"
  72 #include "reg.h"
  73 #include "base.h"
  74
  75 static unsigned int ath5k_debug;
  76 module_param_named(debug, ath5k_debug, uint, 0);
  77
  78
  79 /* debugfs: registers */
  80
  81 struct reg {
  82         const char *name;
  83         int addr;
  84 };
  85
  86 #define REG_STRUCT_INIT(r) { #r, r }
  87
  88 /* just a few random registers, might want to add more */
  89 static const struct reg regs[] = {
  90         REG_STRUCT_INIT(AR5K_CR),
  91         REG_STRUCT_INIT(AR5K_RXDP),
  92         REG_STRUCT_INIT(AR5K_CFG),
  93         REG_STRUCT_INIT(AR5K_IER),
  94         REG_STRUCT_INIT(AR5K_BCR),
  95         REG_STRUCT_INIT(AR5K_RTSD0),
  96         REG_STRUCT_INIT(AR5K_RTSD1),
  97         REG_STRUCT_INIT(AR5K_TXCFG),
  98         REG_STRUCT_INIT(AR5K_RXCFG),
  99         REG_STRUCT_INIT(AR5K_RXJLA),
 100         REG_STRUCT_INIT(AR5K_MIBC),
 101         REG_STRUCT_INIT(AR5K_TOPS),
 102         REG_STRUCT_INIT(AR5K_RXNOFRM),
 103         REG_STRUCT_INIT(AR5K_TXNOFRM),
 104         REG_STRUCT_INIT(AR5K_RPGTO),
 105         REG_STRUCT_INIT(AR5K_RFCNT),
 106         REG_STRUCT_INIT(AR5K_MISC),
 107         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 108         REG_STRUCT_INIT(AR5K_ISR),
 109         REG_STRUCT_INIT(AR5K_PISR),
 110         REG_STRUCT_INIT(AR5K_SISR0),
 111         REG_STRUCT_INIT(AR5K_SISR1),
 112         REG_STRUCT_INIT(AR5K_SISR2),
 113         REG_STRUCT_INIT(AR5K_SISR3),
 114         REG_STRUCT_INIT(AR5K_SISR4),
 115         REG_STRUCT_INIT(AR5K_IMR),
 116         REG_STRUCT_INIT(AR5K_PIMR),
 117         REG_STRUCT_INIT(AR5K_SIMR0),
 118         REG_STRUCT_INIT(AR5K_SIMR1),
 119         REG_STRUCT_INIT(AR5K_SIMR2),
 120         REG_STRUCT_INIT(AR5K_SIMR3),
 121         REG_STRUCT_INIT(AR5K_SIMR4),
 122         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 123         REG_STRUCT_INIT(AR5K_DCCFG),
 124         REG_STRUCT_INIT(AR5K_CCFG),
 125         REG_STRUCT_INIT(AR5K_CPC0),
 126         REG_STRUCT_INIT(AR5K_CPC1),
 127         REG_STRUCT_INIT(AR5K_CPC2),
 128         REG_STRUCT_INIT(AR5K_CPC3),
 129         REG_STRUCT_INIT(AR5K_CPCOVF),
 130         REG_STRUCT_INIT(AR5K_RESET_CTL),
 131         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 132         REG_STRUCT_INIT(AR5K_INTPEND),
 133         REG_STRUCT_INIT(AR5K_SFR),
 134         REG_STRUCT_INIT(AR5K_PCICFG),
 135         REG_STRUCT_INIT(AR5K_GPIOCR),
 136         REG_STRUCT_INIT(AR5K_GPIODO),
 137         REG_STRUCT_INIT(AR5K_SREV),
 138 };
 139
 140 static void *reg_start(struct seq_file *seq, loff_t *pos)
 141 {
 142         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 143 }
 144
 145 static void reg_stop(struct seq_file *seq, void *p)
 146 {
 147         /* nothing to do */
 148 }
 149
 150 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 151 {
 152         ++*pos;
 153         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 154 }
 155
 156 static int reg_show(struct seq_file *seq, void *p)
 157 {
 158         struct ath5k_hw *ah = seq->private;
 159         struct reg *r = p;
 160         seq_printf(seq, "%-25s0x%08x\n", r->name,
 161                 ath5k_hw_reg_read(ah, r->addr));
 162         return 0;
 163 }
 164
 165 static const struct seq_operations register_seq_ops = {
 166         .start = reg_start,
 167         .next  = reg_next,
 168         .stop  = reg_stop,
 169         .show  = reg_show
 170 };
 171
 172 static int open_file_registers(struct inode *inode, struct file *file)
 173 {
 174         struct seq_file *s;
 175         int res;
 176         res = seq_open(file, &register_seq_ops);
 177         if (res == 0) {
 178                 s = file->private_data;
 179                 s->private = inode->i_private;
 180         }
 181         return res;
 182 }
 183
 184 static const struct file_operations fops_registers = {
 185         .open = open_file_registers,
 186         .read    = seq_read,
 187         .llseek  = seq_lseek,
 188         .release = seq_release,
 189         .owner = THIS_MODULE,
 190 };
 191
 192
 193 /* debugfs: beacons */
 194
 195 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 196                                    size_t count, loff_t *ppos)
 197 {
 198         struct ath5k_hw *ah = file->private_data;
 199         char buf[500];
 200         unsigned int len = 0;
 201         unsigned int v;
 202         u64 tsf;
 203
 204         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 205         len += snprintf(buf + len, sizeof(buf) - len,
 206                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 207                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 208                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 209
 210         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 211                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 212
 213         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 214                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 215
 216         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 217         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 218                 "AR5K_TIMER0 (TBTT)", v, v);
 219
 220         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 221         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 222                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 223
 224         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 225         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 226                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 227
 228         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 229         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 230                 "AR5K_TIMER3 (ATIM)", v, v);
 231
 232         tsf = ath5k_hw_get_tsf64(ah);
 233         len += snprintf(buf + len, sizeof(buf) - len,
 234                 "TSF\t\t0x%016llx\tTU: %08x\n",
 235                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 236
 237         if (len > sizeof(buf))
 238                 len = sizeof(buf);
 239
 240         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 241 }
 242
 243 static ssize_t write_file_beacon(struct file *file,
 244                                  const char __user *userbuf,
 245                                  size_t count, loff_t *ppos)
 246 {
 247         struct ath5k_hw *ah = file->private_data;
 248         char buf[20];
 249
 250         count = min_t(size_t, count, sizeof(buf) - 1);
 251         if (copy_from_user(buf, userbuf, count))
 252                 return -EFAULT;
 253
 254         buf[count] = '\0';
 255         if (strncmp(buf, "disable", 7) == 0) {
 256                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 257                 pr_info("debugfs disable beacons\n");
 258         } else if (strncmp(buf, "enable", 6) == 0) {
 259                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 pr_info("debugfs enable beacons\n");
 261         }
 262         return count;
 263 }
 264
 265 static const struct file_operations fops_beacon = {
 266         .read = read_file_beacon,
 267         .write = write_file_beacon,
 268         .open = simple_open,
 269         .owner = THIS_MODULE,
 270         .llseek = default_llseek,
 271 };
 272
 273
 274 /* debugfs: reset */
 275
 276 static ssize_t write_file_reset(struct file *file,
 277                                  const char __user *userbuf,
 278                                  size_t count, loff_t *ppos)
 279 {
 280         struct ath5k_hw *ah = file->private_data;
 281         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 282         ieee80211_queue_work(ah->hw, &ah->reset_work);
 283         return count;
 284 }
 285
 286 static const struct file_operations fops_reset = {
 287         .write = write_file_reset,
 288         .open = simple_open,
 289         .owner = THIS_MODULE,
 290         .llseek = noop_llseek,
 291 };
 292
 293
 294 /* debugfs: debug level */
 295
 296 static const struct {
 297         enum ath5k_debug_level level;
 298         const char *name;
 299         const char *desc;
 300 } dbg_info[] = {
 301         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 302         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 303         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 304         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 305         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 306         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 307         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 308         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 309         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 310         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 311         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 312         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 313         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 314 };
 315
 316 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 317                                    size_t count, loff_t *ppos)
 318 {
 319         struct ath5k_hw *ah = file->private_data;
 320         char buf[700];
 321         unsigned int len = 0;
 322         unsigned int i;
 323
 324         len += snprintf(buf + len, sizeof(buf) - len,
 325                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 326
 327         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 328                 len += snprintf(buf + len, sizeof(buf) - len,
 329                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 330                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 331                         dbg_info[i].level, dbg_info[i].desc);
 332         }
 333         len += snprintf(buf + len, sizeof(buf) - len,
 334                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 335                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 336                 dbg_info[i].level, dbg_info[i].desc);
 337
 338         if (len > sizeof(buf))
 339                 len = sizeof(buf);
 340
 341         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 342 }
 343
 344 static ssize_t write_file_debug(struct file *file,
 345                                  const char __user *userbuf,
 346                                  size_t count, loff_t *ppos)
 347 {
 348         struct ath5k_hw *ah = file->private_data;
 349         unsigned int i;
 350         char buf[20];
 351
 352         count = min_t(size_t, count, sizeof(buf) - 1);
 353         if (copy_from_user(buf, userbuf, count))
 354                 return -EFAULT;
 355
 356         buf[count] = '\0';
 357         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 358                 if (strncmp(buf, dbg_info[i].name,
 359                                         strlen(dbg_info[i].name)) == 0) {
 360                         ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 361                         break;
 362                 }
 363         }
 364         return count;
 365 }
 366
 367 static const struct file_operations fops_debug = {
 368         .read = read_file_debug,
 369         .write = write_file_debug,
 370         .open = simple_open,
 371         .owner = THIS_MODULE,
 372         .llseek = default_llseek,
 373 };
 374
 375
 376 /* debugfs: antenna */
 377
 378 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 379                                    size_t count, loff_t *ppos)
 380 {
 381         struct ath5k_hw *ah = file->private_data;
 382         char buf[700];
 383         unsigned int len = 0;
 384         unsigned int i;
 385         unsigned int v;
 386
 387         len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 388                 ah->ah_ant_mode);
 389         len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 390                 ah->ah_def_ant);
 391         len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 392                 ah->ah_tx_ant);
 393
 394         len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 395         for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 396                 len += snprintf(buf + len, sizeof(buf) - len,
 397                         "[antenna %d]\t%d\t%d\n",
 398                         i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 399         }
 400         len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 401                         ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 402
 403         v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
 404         len += snprintf(buf + len, sizeof(buf) - len,
 405                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 406
 407         v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 408         len += snprintf(buf + len, sizeof(buf) - len,
 409                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 410                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 411         len += snprintf(buf + len, sizeof(buf) - len,
 412                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 413                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 414         len += snprintf(buf + len, sizeof(buf) - len,
 415                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 416                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 417         len += snprintf(buf + len, sizeof(buf) - len,
 418                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 419                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 420
 421         v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
 422         len += snprintf(buf + len, sizeof(buf) - len,
 423                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 424                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 425
 426         v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
 427         len += snprintf(buf + len, sizeof(buf) - len,
 428                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 429                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 430
 431         v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
 432         len += snprintf(buf + len, sizeof(buf) - len,
 433                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 434                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 435
 436         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 437         len += snprintf(buf + len, sizeof(buf) - len,
 438                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 439         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 440         len += snprintf(buf + len, sizeof(buf) - len,
 441                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 442
 443         if (len > sizeof(buf))
 444                 len = sizeof(buf);
 445
 446         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 447 }
 448
 449 static ssize_t write_file_antenna(struct file *file,
 450                                  const char __user *userbuf,
 451                                  size_t count, loff_t *ppos)
 452 {
 453         struct ath5k_hw *ah = file->private_data;
 454         unsigned int i;
 455         char buf[20];
 456
 457         count = min_t(size_t, count, sizeof(buf) - 1);
 458         if (copy_from_user(buf, userbuf, count))
 459                 return -EFAULT;
 460
 461         buf[count] = '\0';
 462         if (strncmp(buf, "diversity", 9) == 0) {
 463                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 464                 pr_info("debug: enable diversity\n");
 465         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 466                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 467                 pr_info("debug: fixed antenna A\n");
 468         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 469                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 470                 pr_info("debug: fixed antenna B\n");
 471         } else if (strncmp(buf, "clear", 5) == 0) {
 472                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 473                         ah->stats.antenna_rx[i] = 0;
 474                         ah->stats.antenna_tx[i] = 0;
 475                 }
 476                 pr_info("debug: cleared antenna stats\n");
 477         }
 478         return count;
 479 }
 480
 481 static const struct file_operations fops_antenna = {
 482         .read = read_file_antenna,
 483         .write = write_file_antenna,
 484         .open = simple_open,
 485         .owner = THIS_MODULE,
 486         .llseek = default_llseek,
 487 };
 488
 489 /* debugfs: misc */
 490
 491 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 492                                    size_t count, loff_t *ppos)
 493 {
 494         struct ath5k_hw *ah = file->private_data;
 495         char buf[700];
 496         unsigned int len = 0;
 497         u32 filt = ath5k_hw_get_rx_filter(ah);
 498
 499         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 500                         ah->bssidmask);
 501         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 502                         filt);
 503         if (filt & AR5K_RX_FILTER_UCAST)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 505         if (filt & AR5K_RX_FILTER_MCAST)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 507         if (filt & AR5K_RX_FILTER_BCAST)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 509         if (filt & AR5K_RX_FILTER_CONTROL)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 511         if (filt & AR5K_RX_FILTER_BEACON)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 513         if (filt & AR5K_RX_FILTER_PROM)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 515         if (filt & AR5K_RX_FILTER_XRPOLL)
 516                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 517         if (filt & AR5K_RX_FILTER_PROBEREQ)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 519         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 520                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 521         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 522                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 523         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 524                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 525         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 526                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 527
 528         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 529                         ath_opmode_to_string(ah->opmode), ah->opmode);
 530
 531         if (len > sizeof(buf))
 532                 len = sizeof(buf);
 533
 534         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 535 }
 536
 537 static const struct file_operations fops_misc = {
 538         .read = read_file_misc,
 539         .open = simple_open,
 540         .owner = THIS_MODULE,
 541 };
 542
 543
 544 /* debugfs: frameerrors */
 545
 546 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 547                                    size_t count, loff_t *ppos)
 548 {
 549         struct ath5k_hw *ah = file->private_data;
 550         struct ath5k_statistics *st = &ah->stats;
 551         char buf[700];
 552         unsigned int len = 0;
 553         int i;
 554
 555         len += snprintf(buf + len, sizeof(buf) - len,
 556                         "RX\n---------------------\n");
 557         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 558                         st->rxerr_crc,
 559                         st->rx_all_count > 0 ?
 560                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 561         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 562                         st->rxerr_phy,
 563                         st->rx_all_count > 0 ?
 564                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 565         for (i = 0; i < 32; i++) {
 566                 if (st->rxerr_phy_code[i])
 567                         len += snprintf(buf + len, sizeof(buf) - len,
 568                                 " phy_err[%u]\t%u\n",
 569                                 i, st->rxerr_phy_code[i]);
 570         }
 571
 572         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 573                         st->rxerr_fifo,
 574                         st->rx_all_count > 0 ?
 575                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 576         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 577                         st->rxerr_decrypt,
 578                         st->rx_all_count > 0 ?
 579                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 580         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 581                         st->rxerr_mic,
 582                         st->rx_all_count > 0 ?
 583                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 584         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 585                         st->rxerr_proc,
 586                         st->rx_all_count > 0 ?
 587                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 588         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 589                         st->rxerr_jumbo,
 590                         st->rx_all_count > 0 ?
 591                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 592         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 593                         st->rx_all_count);
 594         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 595                         st->rx_bytes_count);
 596
 597         len += snprintf(buf + len, sizeof(buf) - len,
 598                         "\nTX\n---------------------\n");
 599         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 600                         st->txerr_retry,
 601                         st->tx_all_count > 0 ?
 602                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 603         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 604                         st->txerr_fifo,
 605                         st->tx_all_count > 0 ?
 606                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 607         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 608                         st->txerr_filt,
 609                         st->tx_all_count > 0 ?
 610                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 611         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 612                         st->tx_all_count);
 613         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 614                         st->tx_bytes_count);
 615
 616         if (len > sizeof(buf))
 617                 len = sizeof(buf);
 618
 619         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 620 }
 621
 622 static ssize_t write_file_frameerrors(struct file *file,
 623                                  const char __user *userbuf,
 624                                  size_t count, loff_t *ppos)
 625 {
 626         struct ath5k_hw *ah = file->private_data;
 627         struct ath5k_statistics *st = &ah->stats;
 628         char buf[20];
 629
 630         count = min_t(size_t, count, sizeof(buf) - 1);
 631         if (copy_from_user(buf, userbuf, count))
 632                 return -EFAULT;
 633
 634         buf[count] = '\0';
 635         if (strncmp(buf, "clear", 5) == 0) {
 636                 st->rxerr_crc = 0;
 637                 st->rxerr_phy = 0;
 638                 st->rxerr_fifo = 0;
 639                 st->rxerr_decrypt = 0;
 640                 st->rxerr_mic = 0;
 641                 st->rxerr_proc = 0;
 642                 st->rxerr_jumbo = 0;
 643                 st->rx_all_count = 0;
 644                 st->txerr_retry = 0;
 645                 st->txerr_fifo = 0;
 646                 st->txerr_filt = 0;
 647                 st->tx_all_count = 0;
 648                 pr_info("debug: cleared frameerrors stats\n");
 649         }
 650         return count;
 651 }
 652
 653 static const struct file_operations fops_frameerrors = {
 654         .read = read_file_frameerrors,
 655         .write = write_file_frameerrors,
 656         .open = simple_open,
 657         .owner = THIS_MODULE,
 658         .llseek = default_llseek,
 659 };
 660
 661
 662 /* debugfs: ani */
 663
 664 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 665                                    size_t count, loff_t *ppos)
 666 {
 667         struct ath5k_hw *ah = file->private_data;
 668         struct ath5k_statistics *st = &ah->stats;
 669         struct ath5k_ani_state *as = &ah->ani_state;
 670
 671         char buf[700];
 672         unsigned int len = 0;
 673
 674         len += snprintf(buf + len, sizeof(buf) - len,
 675                         "HW has PHY error counters:\t%s\n",
 676                         ah->ah_capabilities.cap_has_phyerr_counters ?
 677                         "yes" : "no");
 678         len += snprintf(buf + len, sizeof(buf) - len,
 679                         "HW max spur immunity level:\t%d\n",
 680                         as->max_spur_level);
 681         len += snprintf(buf + len, sizeof(buf) - len,
 682                 "\nANI state\n--------------------------------------------\n");
 683         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 684         switch (as->ani_mode) {
 685         case ATH5K_ANI_MODE_OFF:
 686                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 687                 break;
 688         case ATH5K_ANI_MODE_MANUAL_LOW:
 689                 len += snprintf(buf + len, sizeof(buf) - len,
 690                         "MANUAL LOW\n");
 691                 break;
 692         case ATH5K_ANI_MODE_MANUAL_HIGH:
 693                 len += snprintf(buf + len, sizeof(buf) - len,
 694                         "MANUAL HIGH\n");
 695                 break;
 696         case ATH5K_ANI_MODE_AUTO:
 697                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 698                 break;
 699         default:
 700                 len += snprintf(buf + len, sizeof(buf) - len,
 701                         "??? (not good)\n");
 702                 break;
 703         }
 704         len += snprintf(buf + len, sizeof(buf) - len,
 705                         "noise immunity level:\t\t%d\n",
 706                         as->noise_imm_level);
 707         len += snprintf(buf + len, sizeof(buf) - len,
 708                         "spur immunity level:\t\t%d\n",
 709                         as->spur_level);
 710         len += snprintf(buf + len, sizeof(buf) - len,
 711                         "firstep level:\t\t\t%d\n",
 712                         as->firstep_level);
 713         len += snprintf(buf + len, sizeof(buf) - len,
 714                         "OFDM weak signal detection:\t%s\n",
 715                         as->ofdm_weak_sig ? "on" : "off");
 716         len += snprintf(buf + len, sizeof(buf) - len,
 717                         "CCK weak signal detection:\t%s\n",
 718                         as->cck_weak_sig ? "on" : "off");
 719
 720         len += snprintf(buf + len, sizeof(buf) - len,
 721                         "\nMIB INTERRUPTS:\t\t%u\n",
 722                         st->mib_intr);
 723         len += snprintf(buf + len, sizeof(buf) - len,
 724                         "beacon RSSI average:\t%d\n",
 725                         (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg));
 726
 727 #define CC_PRINT(_struct, _field) \
 728         _struct._field, \
 729         _struct.cycles > 0 ? \
 730         _struct._field * 100 / _struct.cycles : 0
 731
 732         len += snprintf(buf + len, sizeof(buf) - len,
 733                         "profcnt tx\t\t%u\t(%d%%)\n",
 734                         CC_PRINT(as->last_cc, tx_frame));
 735         len += snprintf(buf + len, sizeof(buf) - len,
 736                         "profcnt rx\t\t%u\t(%d%%)\n",
 737                         CC_PRINT(as->last_cc, rx_frame));
 738         len += snprintf(buf + len, sizeof(buf) - len,
 739                         "profcnt busy\t\t%u\t(%d%%)\n",
 740                         CC_PRINT(as->last_cc, rx_busy));
 741 #undef CC_PRINT
 742         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 743                         as->last_cc.cycles);
 744         len += snprintf(buf + len, sizeof(buf) - len,
 745                         "listen time\t\t%d\tlast: %d\n",
 746                         as->listen_time, as->last_listen);
 747         len += snprintf(buf + len, sizeof(buf) - len,
 748                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 749                         as->ofdm_errors, as->last_ofdm_errors,
 750                         as->sum_ofdm_errors);
 751         len += snprintf(buf + len, sizeof(buf) - len,
 752                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 753                         as->cck_errors, as->last_cck_errors,
 754                         as->sum_cck_errors);
 755         len += snprintf(buf + len, sizeof(buf) - len,
 756                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 757                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 758                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 759                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 760         len += snprintf(buf + len, sizeof(buf) - len,
 761                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 762                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 763                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 764                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 765
 766         if (len > sizeof(buf))
 767                 len = sizeof(buf);
 768
 769         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 770 }
 771
 772 static ssize_t write_file_ani(struct file *file,
 773                                  const char __user *userbuf,
 774                                  size_t count, loff_t *ppos)
 775 {
 776         struct ath5k_hw *ah = file->private_data;
 777         char buf[20];
 778
 779         count = min_t(size_t, count, sizeof(buf) - 1);
 780         if (copy_from_user(buf, userbuf, count))
 781                 return -EFAULT;
 782
 783         buf[count] = '\0';
 784         if (strncmp(buf, "sens-low", 8) == 0) {
 785                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 786         } else if (strncmp(buf, "sens-high", 9) == 0) {
 787                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 788         } else if (strncmp(buf, "ani-off", 7) == 0) {
 789                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 790         } else if (strncmp(buf, "ani-on", 6) == 0) {
 791                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 792         } else if (strncmp(buf, "noise-low", 9) == 0) {
 793                 ath5k_ani_set_noise_immunity_level(ah, 0);
 794         } else if (strncmp(buf, "noise-high", 10) == 0) {
 795                 ath5k_ani_set_noise_immunity_level(ah,
 796                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 797         } else if (strncmp(buf, "spur-low", 8) == 0) {
 798                 ath5k_ani_set_spur_immunity_level(ah, 0);
 799         } else if (strncmp(buf, "spur-high", 9) == 0) {
 800                 ath5k_ani_set_spur_immunity_level(ah,
 801                                                   ah->ani_state.max_spur_level);
 802         } else if (strncmp(buf, "fir-low", 7) == 0) {
 803                 ath5k_ani_set_firstep_level(ah, 0);
 804         } else if (strncmp(buf, "fir-high", 8) == 0) {
 805                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 806         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 807                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 808         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 809                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 810         } else if (strncmp(buf, "cck-off", 7) == 0) {
 811                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 812         } else if (strncmp(buf, "cck-on", 6) == 0) {
 813                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 814         }
 815         return count;
 816 }
 817
 818 static const struct file_operations fops_ani = {
 819         .read = read_file_ani,
 820         .write = write_file_ani,
 821         .open = simple_open,
 822         .owner = THIS_MODULE,
 823         .llseek = default_llseek,
 824 };
 825
 826
 827 /* debugfs: queues etc */
 828
 829 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 830                                    size_t count, loff_t *ppos)
 831 {
 832         struct ath5k_hw *ah = file->private_data;
 833         char buf[700];
 834         unsigned int len = 0;
 835
 836         struct ath5k_txq *txq;
 837         struct ath5k_buf *bf, *bf0;
 838         int i, n;
 839
 840         len += snprintf(buf + len, sizeof(buf) - len,
 841                         "available txbuffers: %d\n", ah->txbuf_len);
 842
 843         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 844                 txq = &ah->txqs[i];
 845
 846                 len += snprintf(buf + len, sizeof(buf) - len,
 847                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 848
 849                 if (!txq->setup)
 850                         continue;
 851
 852                 n = 0;
 853                 spin_lock_bh(&txq->lock);
 854                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 855                         n++;
 856                 spin_unlock_bh(&txq->lock);
 857
 858                 len += snprintf(buf + len, sizeof(buf) - len,
 859                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 860                 len += snprintf(buf + len, sizeof(buf) - len,
 861                                 "  stuck: %d\n", txq->txq_stuck);
 862         }
 863
 864         if (len > sizeof(buf))
 865                 len = sizeof(buf);
 866
 867         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 868 }
 869
 870 static ssize_t write_file_queue(struct file *file,
 871                                  const char __user *userbuf,
 872                                  size_t count, loff_t *ppos)
 873 {
 874         struct ath5k_hw *ah = file->private_data;
 875         char buf[20];
 876
 877         count = min_t(size_t, count, sizeof(buf) - 1);
 878         if (copy_from_user(buf, userbuf, count))
 879                 return -EFAULT;
 880
 881         buf[count] = '\0';
 882         if (strncmp(buf, "start", 5) == 0)
 883                 ieee80211_wake_queues(ah->hw);
 884         else if (strncmp(buf, "stop", 4) == 0)
 885                 ieee80211_stop_queues(ah->hw);
 886
 887         return count;
 888 }
 889
 890
 891 static const struct file_operations fops_queue = {
 892         .read = read_file_queue,
 893         .write = write_file_queue,
 894         .open = simple_open,
 895         .owner = THIS_MODULE,
 896         .llseek = default_llseek,
 897 };
 898
 899 /* debugfs: eeprom */
 900
 901 struct eeprom_private {
 902         u16 *buf;
 903         int len;
 904 };
 905
 906 static int open_file_eeprom(struct inode *inode, struct file *file)
 907 {
 908         struct eeprom_private *ep;
 909         struct ath5k_hw *ah = inode->i_private;
 910         bool res;
 911         int i, ret;
 912         u32 eesize;
 913         u16 val, *buf;
 914
 915         /* Get eeprom size */
 916
 917         res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
 918         if (!res)
 919                 return -EACCES;
 920
 921         if (val == 0) {
 922                 eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
 923         } else {
 924                 eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
 925                         AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
 926                 ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
 927                 eesize = eesize | val;
 928         }
 929
 930         if (eesize > 4096)
 931                 return -EINVAL;
 932
 933         /* Create buffer and read in eeprom */
 934
 935         buf = vmalloc(eesize);
 936         if (!buf) {
 937                 ret = -ENOMEM;
 938                 goto err;
 939         }
 940
 941         for (i = 0; i < eesize; ++i) {
 942                 AR5K_EEPROM_READ(i, val);
 943                 buf[i] = val;
 944         }
 945
 946         /* Create private struct and assign to file */
 947
 948         ep = kmalloc(sizeof(*ep), GFP_KERNEL);
 949         if (!ep) {
 950                 ret = -ENOMEM;
 951                 goto freebuf;
 952         }
 953
 954         ep->buf = buf;
 955         ep->len = i;
 956
 957         file->private_data = (void *)ep;
 958
 959         return 0;
 960
 961 freebuf:
 962         vfree(buf);
 963 err:
 964         return ret;
 965
 966 }
 967
 968 static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
 969                                    size_t count, loff_t *ppos)
 970 {
 971         struct eeprom_private *ep = file->private_data;
 972
 973         return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
 974 }
 975
 976 static int release_file_eeprom(struct inode *inode, struct file *file)
 977 {
 978         struct eeprom_private *ep = file->private_data;
 979
 980         vfree(ep->buf);
 981         kfree(ep);
 982
 983         return 0;
 984 }
 985
 986 static const struct file_operations fops_eeprom = {
 987         .open = open_file_eeprom,
 988         .read = read_file_eeprom,
 989         .release = release_file_eeprom,
 990         .owner = THIS_MODULE,
 991 };
 992
 993
 994 void
 995 ath5k_debug_init_device(struct ath5k_hw *ah)
 996 {
 997         struct dentry *phydir;
 998
 999         ah->debug.level = ath5k_debug;
1000
1001         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
1002         if (!phydir)
1003                 return;
1004
1005         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
1006                             &fops_debug);
1007
1008         debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
1009
1010         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
1011                             &fops_beacon);
1012
1013         debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
1014
1015         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
1016                             &fops_antenna);
1017
1018         debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
1019
1020         debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom);
1021
1022         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
1023                             &fops_frameerrors);
1024
1025         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
1026
1027         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
1028                             &fops_queue);
1029
1030         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
1031                             &ah->ah_use_32khz_clock);
1032 }
1033
1034 /* functions used in other places */
1035
1036 void
1037 ath5k_debug_dump_bands(struct ath5k_hw *ah)
1038 {
1039         unsigned int b, i;
1040
1041         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
1042                 return;
1043
1044         BUG_ON(!ah->sbands);
1045
1046         for (b = 0; b < NUM_NL80211_BANDS; b++) {
1047                 struct ieee80211_supported_band *band = &ah->sbands[b];
1048                 char bname[6];
1049                 switch (band->band) {
1050                 case NL80211_BAND_2GHZ:
1051                         strcpy(bname, "2 GHz");
1052                         break;
1053                 case NL80211_BAND_5GHZ:
1054                         strcpy(bname, "5 GHz");
1055                         break;
1056                 default:
1057                         printk(KERN_DEBUG "Band not supported: %d\n",
1058                                 band->band);
1059                         return;
1060                 }
1061                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
1062                                 band->n_channels, band->n_bitrates);
1063                 printk(KERN_DEBUG " channels:\n");
1064                 for (i = 0; i < band->n_channels; i++)
1065                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
1066                                         ieee80211_frequency_to_channel(
1067                                                 band->channels[i].center_freq),
1068                                         band->channels[i].center_freq,
1069                                         band->channels[i].hw_value,
1070                                         band->channels[i].flags);
1071                 printk(KERN_DEBUG " rates:\n");
1072                 for (i = 0; i < band->n_bitrates; i++)
1073                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
1074                                         band->bitrates[i].bitrate,
1075                                         band->bitrates[i].hw_value,
1076                                         band->bitrates[i].flags,
1077                                         band->bitrates[i].hw_value_short);
1078         }
1079 }
1080
1081 static inline void
1082 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1083                        struct ath5k_rx_status *rs)
1084 {
1085         struct ath5k_desc *ds = bf->desc;
1086         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1087
1088         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1089                 ds, (unsigned long long)bf->daddr,
1090                 ds->ds_link, ds->ds_data,
1091                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1092                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1093                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1094 }
1095
1096 void
1097 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
1098 {
1099         struct ath5k_desc *ds;
1100         struct ath5k_buf *bf;
1101         struct ath5k_rx_status rs = {};
1102         int status;
1103
1104         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1105                 return;
1106
1107         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1108                 ath5k_hw_get_rxdp(ah), ah->rxlink);
1109
1110         spin_lock_bh(&ah->rxbuflock);
1111         list_for_each_entry(bf, &ah->rxbuf, list) {
1112                 ds = bf->desc;
1113                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1114                 if (!status)
1115                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1116         }
1117         spin_unlock_bh(&ah->rxbuflock);
1118 }
1119
1120 void
1121 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1122 {
1123         struct ath5k_desc *ds = bf->desc;
1124         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1125         struct ath5k_tx_status ts = {};
1126         int done;
1127
1128         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1129                 return;
1130
1131         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1132
1133         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1134                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1135                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1136                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1137                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1138                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1139 }