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
  66 #include <linux/seq_file.h>
  67 #include <linux/list.h>
  68 #include "debug.h"
  69 #include "ath5k.h"
  70 #include "reg.h"
  71 #include "base.h"
  72
  73 static unsigned int ath5k_debug;
  74 module_param_named(debug, ath5k_debug, uint, 0);
  75
  76
  77 /* debugfs: registers */
  78
  79 struct reg {
  80         const char *name;
  81         int addr;
  82 };
  83
  84 #define REG_STRUCT_INIT(r) { #r, r }
  85
  86 /* just a few random registers, might want to add more */
  87 static const struct reg regs[] = {
  88         REG_STRUCT_INIT(AR5K_CR),
  89         REG_STRUCT_INIT(AR5K_RXDP),
  90         REG_STRUCT_INIT(AR5K_CFG),
  91         REG_STRUCT_INIT(AR5K_IER),
  92         REG_STRUCT_INIT(AR5K_BCR),
  93         REG_STRUCT_INIT(AR5K_RTSD0),
  94         REG_STRUCT_INIT(AR5K_RTSD1),
  95         REG_STRUCT_INIT(AR5K_TXCFG),
  96         REG_STRUCT_INIT(AR5K_RXCFG),
  97         REG_STRUCT_INIT(AR5K_RXJLA),
  98         REG_STRUCT_INIT(AR5K_MIBC),
  99         REG_STRUCT_INIT(AR5K_TOPS),
 100         REG_STRUCT_INIT(AR5K_RXNOFRM),
 101         REG_STRUCT_INIT(AR5K_TXNOFRM),
 102         REG_STRUCT_INIT(AR5K_RPGTO),
 103         REG_STRUCT_INIT(AR5K_RFCNT),
 104         REG_STRUCT_INIT(AR5K_MISC),
 105         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 106         REG_STRUCT_INIT(AR5K_ISR),
 107         REG_STRUCT_INIT(AR5K_PISR),
 108         REG_STRUCT_INIT(AR5K_SISR0),
 109         REG_STRUCT_INIT(AR5K_SISR1),
 110         REG_STRUCT_INIT(AR5K_SISR2),
 111         REG_STRUCT_INIT(AR5K_SISR3),
 112         REG_STRUCT_INIT(AR5K_SISR4),
 113         REG_STRUCT_INIT(AR5K_IMR),
 114         REG_STRUCT_INIT(AR5K_PIMR),
 115         REG_STRUCT_INIT(AR5K_SIMR0),
 116         REG_STRUCT_INIT(AR5K_SIMR1),
 117         REG_STRUCT_INIT(AR5K_SIMR2),
 118         REG_STRUCT_INIT(AR5K_SIMR3),
 119         REG_STRUCT_INIT(AR5K_SIMR4),
 120         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 121         REG_STRUCT_INIT(AR5K_DCCFG),
 122         REG_STRUCT_INIT(AR5K_CCFG),
 123         REG_STRUCT_INIT(AR5K_CPC0),
 124         REG_STRUCT_INIT(AR5K_CPC1),
 125         REG_STRUCT_INIT(AR5K_CPC2),
 126         REG_STRUCT_INIT(AR5K_CPC3),
 127         REG_STRUCT_INIT(AR5K_CPCOVF),
 128         REG_STRUCT_INIT(AR5K_RESET_CTL),
 129         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 130         REG_STRUCT_INIT(AR5K_INTPEND),
 131         REG_STRUCT_INIT(AR5K_SFR),
 132         REG_STRUCT_INIT(AR5K_PCICFG),
 133         REG_STRUCT_INIT(AR5K_GPIOCR),
 134         REG_STRUCT_INIT(AR5K_GPIODO),
 135         REG_STRUCT_INIT(AR5K_SREV),
 136 };
 137
 138 static void *reg_start(struct seq_file *seq, loff_t *pos)
 139 {
 140         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 141 }
 142
 143 static void reg_stop(struct seq_file *seq, void *p)
 144 {
 145         /* nothing to do */
 146 }
 147
 148 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 149 {
 150         ++*pos;
 151         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 152 }
 153
 154 static int reg_show(struct seq_file *seq, void *p)
 155 {
 156         struct ath5k_hw *ah = seq->private;
 157         struct reg *r = p;
 158         seq_printf(seq, "%-25s0x%08x\n", r->name,
 159                 ath5k_hw_reg_read(ah, r->addr));
 160         return 0;
 161 }
 162
 163 static const struct seq_operations register_seq_ops = {
 164         .start = reg_start,
 165         .next  = reg_next,
 166         .stop  = reg_stop,
 167         .show  = reg_show
 168 };
 169
 170 static int open_file_registers(struct inode *inode, struct file *file)
 171 {
 172         struct seq_file *s;
 173         int res;
 174         res = seq_open(file, &register_seq_ops);
 175         if (res == 0) {
 176                 s = file->private_data;
 177                 s->private = inode->i_private;
 178         }
 179         return res;
 180 }
 181
 182 static const struct file_operations fops_registers = {
 183         .open = open_file_registers,
 184         .read    = seq_read,
 185         .llseek  = seq_lseek,
 186         .release = seq_release,
 187         .owner = THIS_MODULE,
 188 };
 189
 190
 191 /* debugfs: beacons */
 192
 193 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 194                                    size_t count, loff_t *ppos)
 195 {
 196         struct ath5k_hw *ah = file->private_data;
 197         char buf[500];
 198         unsigned int len = 0;
 199         unsigned int v;
 200         u64 tsf;
 201
 202         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 203         len += snprintf(buf + len, sizeof(buf) - len,
 204                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 205                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 206                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 207
 208         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 209                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 210
 211         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 212                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 213
 214         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 215         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 216                 "AR5K_TIMER0 (TBTT)", v, v);
 217
 218         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 219         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 220                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 221
 222         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 223         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 224                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 225
 226         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 227         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 228                 "AR5K_TIMER3 (ATIM)", v, v);
 229
 230         tsf = ath5k_hw_get_tsf64(ah);
 231         len += snprintf(buf + len, sizeof(buf) - len,
 232                 "TSF\t\t0x%016llx\tTU: %08x\n",
 233                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 234
 235         if (len > sizeof(buf))
 236                 len = sizeof(buf);
 237
 238         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 239 }
 240
 241 static ssize_t write_file_beacon(struct file *file,
 242                                  const char __user *userbuf,
 243                                  size_t count, loff_t *ppos)
 244 {
 245         struct ath5k_hw *ah = file->private_data;
 246         char buf[20];
 247
 248         count = min_t(size_t, count, sizeof(buf) - 1);
 249         if (copy_from_user(buf, userbuf, count))
 250                 return -EFAULT;
 251
 252         buf[count] = '\0';
 253         if (strncmp(buf, "disable", 7) == 0) {
 254                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 255                 pr_info("debugfs disable beacons\n");
 256         } else if (strncmp(buf, "enable", 6) == 0) {
 257                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 258                 pr_info("debugfs enable beacons\n");
 259         }
 260         return count;
 261 }
 262
 263 static const struct file_operations fops_beacon = {
 264         .read = read_file_beacon,
 265         .write = write_file_beacon,
 266         .open = simple_open,
 267         .owner = THIS_MODULE,
 268         .llseek = default_llseek,
 269 };
 270
 271
 272 /* debugfs: reset */
 273
 274 static ssize_t write_file_reset(struct file *file,
 275                                  const char __user *userbuf,
 276                                  size_t count, loff_t *ppos)
 277 {
 278         struct ath5k_hw *ah = file->private_data;
 279         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 280         ieee80211_queue_work(ah->hw, &ah->reset_work);
 281         return count;
 282 }
 283
 284 static const struct file_operations fops_reset = {
 285         .write = write_file_reset,
 286         .open = simple_open,
 287         .owner = THIS_MODULE,
 288         .llseek = noop_llseek,
 289 };
 290
 291
 292 /* debugfs: debug level */
 293
 294 static const struct {
 295         enum ath5k_debug_level level;
 296         const char *name;
 297         const char *desc;
 298 } dbg_info[] = {
 299         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 300         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 301         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 302         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 303         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 304         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 305         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 306         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 307         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 308         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 309         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 310         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 311         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 312 };
 313
 314 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 315                                    size_t count, loff_t *ppos)
 316 {
 317         struct ath5k_hw *ah = file->private_data;
 318         char buf[700];
 319         unsigned int len = 0;
 320         unsigned int i;
 321
 322         len += snprintf(buf + len, sizeof(buf) - len,
 323                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 324
 325         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 326                 len += snprintf(buf + len, sizeof(buf) - len,
 327                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 328                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 329                         dbg_info[i].level, dbg_info[i].desc);
 330         }
 331         len += snprintf(buf + len, sizeof(buf) - len,
 332                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 333                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 334                 dbg_info[i].level, dbg_info[i].desc);
 335
 336         if (len > sizeof(buf))
 337                 len = sizeof(buf);
 338
 339         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 340 }
 341
 342 static ssize_t write_file_debug(struct file *file,
 343                                  const char __user *userbuf,
 344                                  size_t count, loff_t *ppos)
 345 {
 346         struct ath5k_hw *ah = file->private_data;
 347         unsigned int i;
 348         char buf[20];
 349
 350         count = min_t(size_t, count, sizeof(buf) - 1);
 351         if (copy_from_user(buf, userbuf, count))
 352                 return -EFAULT;
 353
 354         buf[count] = '\0';
 355         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 356                 if (strncmp(buf, dbg_info[i].name,
 357                                         strlen(dbg_info[i].name)) == 0) {
 358                         ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 359                         break;
 360                 }
 361         }
 362         return count;
 363 }
 364
 365 static const struct file_operations fops_debug = {
 366         .read = read_file_debug,
 367         .write = write_file_debug,
 368         .open = simple_open,
 369         .owner = THIS_MODULE,
 370         .llseek = default_llseek,
 371 };
 372
 373
 374 /* debugfs: antenna */
 375
 376 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 377                                    size_t count, loff_t *ppos)
 378 {
 379         struct ath5k_hw *ah = file->private_data;
 380         char buf[700];
 381         unsigned int len = 0;
 382         unsigned int i;
 383         unsigned int v;
 384
 385         len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 386                 ah->ah_ant_mode);
 387         len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 388                 ah->ah_def_ant);
 389         len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 390                 ah->ah_tx_ant);
 391
 392         len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 393         for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 394                 len += snprintf(buf + len, sizeof(buf) - len,
 395                         "[antenna %d]\t%d\t%d\n",
 396                         i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 397         }
 398         len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 399                         ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 400
 401         v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
 402         len += snprintf(buf + len, sizeof(buf) - len,
 403                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 404
 405         v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 406         len += snprintf(buf + len, sizeof(buf) - len,
 407                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 408                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 409         len += snprintf(buf + len, sizeof(buf) - len,
 410                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 411                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 412         len += snprintf(buf + len, sizeof(buf) - len,
 413                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 414                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 415         len += snprintf(buf + len, sizeof(buf) - len,
 416                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 417                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 418
 419         v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
 420         len += snprintf(buf + len, sizeof(buf) - len,
 421                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 422                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 423
 424         v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
 425         len += snprintf(buf + len, sizeof(buf) - len,
 426                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 427                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 428
 429         v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
 430         len += snprintf(buf + len, sizeof(buf) - len,
 431                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 432                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 433
 434         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 435         len += snprintf(buf + len, sizeof(buf) - len,
 436                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 437         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 438         len += snprintf(buf + len, sizeof(buf) - len,
 439                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 440
 441         if (len > sizeof(buf))
 442                 len = sizeof(buf);
 443
 444         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 445 }
 446
 447 static ssize_t write_file_antenna(struct file *file,
 448                                  const char __user *userbuf,
 449                                  size_t count, loff_t *ppos)
 450 {
 451         struct ath5k_hw *ah = file->private_data;
 452         unsigned int i;
 453         char buf[20];
 454
 455         count = min_t(size_t, count, sizeof(buf) - 1);
 456         if (copy_from_user(buf, userbuf, count))
 457                 return -EFAULT;
 458
 459         buf[count] = '\0';
 460         if (strncmp(buf, "diversity", 9) == 0) {
 461                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 462                 pr_info("debug: enable diversity\n");
 463         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 464                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 465                 pr_info("debug: fixed antenna A\n");
 466         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 467                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 468                 pr_info("debug: fixed antenna B\n");
 469         } else if (strncmp(buf, "clear", 5) == 0) {
 470                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 471                         ah->stats.antenna_rx[i] = 0;
 472                         ah->stats.antenna_tx[i] = 0;
 473                 }
 474                 pr_info("debug: cleared antenna stats\n");
 475         }
 476         return count;
 477 }
 478
 479 static const struct file_operations fops_antenna = {
 480         .read = read_file_antenna,
 481         .write = write_file_antenna,
 482         .open = simple_open,
 483         .owner = THIS_MODULE,
 484         .llseek = default_llseek,
 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_hw *ah = file->private_data;
 493         char buf[700];
 494         unsigned int len = 0;
 495         u32 filt = ath5k_hw_get_rx_filter(ah);
 496
 497         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 498                         ah->bssidmask);
 499         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 500                         filt);
 501         if (filt & AR5K_RX_FILTER_UCAST)
 502                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 503         if (filt & AR5K_RX_FILTER_MCAST)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 505         if (filt & AR5K_RX_FILTER_BCAST)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 507         if (filt & AR5K_RX_FILTER_CONTROL)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 509         if (filt & AR5K_RX_FILTER_BEACON)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 511         if (filt & AR5K_RX_FILTER_PROM)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 513         if (filt & AR5K_RX_FILTER_XRPOLL)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 515         if (filt & AR5K_RX_FILTER_PROBEREQ)
 516                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 517         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 519         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 520                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 521         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 522                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 523         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 524                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 525
 526         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 527                         ath_opmode_to_string(ah->opmode), ah->opmode);
 528
 529         if (len > sizeof(buf))
 530                 len = sizeof(buf);
 531
 532         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 533 }
 534
 535 static const struct file_operations fops_misc = {
 536         .read = read_file_misc,
 537         .open = simple_open,
 538         .owner = THIS_MODULE,
 539 };
 540
 541
 542 /* debugfs: frameerrors */
 543
 544 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 545                                    size_t count, loff_t *ppos)
 546 {
 547         struct ath5k_hw *ah = file->private_data;
 548         struct ath5k_statistics *st = &ah->stats;
 549         char buf[700];
 550         unsigned int len = 0;
 551         int i;
 552
 553         len += snprintf(buf + len, sizeof(buf) - len,
 554                         "RX\n---------------------\n");
 555         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 556                         st->rxerr_crc,
 557                         st->rx_all_count > 0 ?
 558                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 559         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 560                         st->rxerr_phy,
 561                         st->rx_all_count > 0 ?
 562                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 563         for (i = 0; i < 32; i++) {
 564                 if (st->rxerr_phy_code[i])
 565                         len += snprintf(buf + len, sizeof(buf) - len,
 566                                 " phy_err[%u]\t%u\n",
 567                                 i, st->rxerr_phy_code[i]);
 568         }
 569
 570         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 571                         st->rxerr_fifo,
 572                         st->rx_all_count > 0 ?
 573                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 574         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 575                         st->rxerr_decrypt,
 576                         st->rx_all_count > 0 ?
 577                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 578         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 579                         st->rxerr_mic,
 580                         st->rx_all_count > 0 ?
 581                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 582         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 583                         st->rxerr_proc,
 584                         st->rx_all_count > 0 ?
 585                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 586         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 587                         st->rxerr_jumbo,
 588                         st->rx_all_count > 0 ?
 589                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 590         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 591                         st->rx_all_count);
 592         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 593                         st->rx_bytes_count);
 594
 595         len += snprintf(buf + len, sizeof(buf) - len,
 596                         "\nTX\n---------------------\n");
 597         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 598                         st->txerr_retry,
 599                         st->tx_all_count > 0 ?
 600                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 601         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 602                         st->txerr_fifo,
 603                         st->tx_all_count > 0 ?
 604                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 605         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 606                         st->txerr_filt,
 607                         st->tx_all_count > 0 ?
 608                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 609         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 610                         st->tx_all_count);
 611         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 612                         st->tx_bytes_count);
 613
 614         if (len > sizeof(buf))
 615                 len = sizeof(buf);
 616
 617         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 618 }
 619
 620 static ssize_t write_file_frameerrors(struct file *file,
 621                                  const char __user *userbuf,
 622                                  size_t count, loff_t *ppos)
 623 {
 624         struct ath5k_hw *ah = file->private_data;
 625         struct ath5k_statistics *st = &ah->stats;
 626         char buf[20];
 627
 628         count = min_t(size_t, count, sizeof(buf) - 1);
 629         if (copy_from_user(buf, userbuf, count))
 630                 return -EFAULT;
 631
 632         buf[count] = '\0';
 633         if (strncmp(buf, "clear", 5) == 0) {
 634                 st->rxerr_crc = 0;
 635                 st->rxerr_phy = 0;
 636                 st->rxerr_fifo = 0;
 637                 st->rxerr_decrypt = 0;
 638                 st->rxerr_mic = 0;
 639                 st->rxerr_proc = 0;
 640                 st->rxerr_jumbo = 0;
 641                 st->rx_all_count = 0;
 642                 st->txerr_retry = 0;
 643                 st->txerr_fifo = 0;
 644                 st->txerr_filt = 0;
 645                 st->tx_all_count = 0;
 646                 pr_info("debug: cleared frameerrors stats\n");
 647         }
 648         return count;
 649 }
 650
 651 static const struct file_operations fops_frameerrors = {
 652         .read = read_file_frameerrors,
 653         .write = write_file_frameerrors,
 654         .open = simple_open,
 655         .owner = THIS_MODULE,
 656         .llseek = default_llseek,
 657 };
 658
 659
 660 /* debugfs: ani */
 661
 662 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 663                                    size_t count, loff_t *ppos)
 664 {
 665         struct ath5k_hw *ah = file->private_data;
 666         struct ath5k_statistics *st = &ah->stats;
 667         struct ath5k_ani_state *as = &ah->ani_state;
 668
 669         char buf[700];
 670         unsigned int len = 0;
 671
 672         len += snprintf(buf + len, sizeof(buf) - len,
 673                         "HW has PHY error counters:\t%s\n",
 674                         ah->ah_capabilities.cap_has_phyerr_counters ?
 675                         "yes" : "no");
 676         len += snprintf(buf + len, sizeof(buf) - len,
 677                         "HW max spur immunity level:\t%d\n",
 678                         as->max_spur_level);
 679         len += snprintf(buf + len, sizeof(buf) - len,
 680                 "\nANI state\n--------------------------------------------\n");
 681         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 682         switch (as->ani_mode) {
 683         case ATH5K_ANI_MODE_OFF:
 684                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 685                 break;
 686         case ATH5K_ANI_MODE_MANUAL_LOW:
 687                 len += snprintf(buf + len, sizeof(buf) - len,
 688                         "MANUAL LOW\n");
 689                 break;
 690         case ATH5K_ANI_MODE_MANUAL_HIGH:
 691                 len += snprintf(buf + len, sizeof(buf) - len,
 692                         "MANUAL HIGH\n");
 693                 break;
 694         case ATH5K_ANI_MODE_AUTO:
 695                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 696                 break;
 697         default:
 698                 len += snprintf(buf + len, sizeof(buf) - len,
 699                         "??? (not good)\n");
 700                 break;
 701         }
 702         len += snprintf(buf + len, sizeof(buf) - len,
 703                         "noise immunity level:\t\t%d\n",
 704                         as->noise_imm_level);
 705         len += snprintf(buf + len, sizeof(buf) - len,
 706                         "spur immunity level:\t\t%d\n",
 707                         as->spur_level);
 708         len += snprintf(buf + len, sizeof(buf) - len,
 709                         "firstep level:\t\t\t%d\n",
 710                         as->firstep_level);
 711         len += snprintf(buf + len, sizeof(buf) - len,
 712                         "OFDM weak signal detection:\t%s\n",
 713                         as->ofdm_weak_sig ? "on" : "off");
 714         len += snprintf(buf + len, sizeof(buf) - len,
 715                         "CCK weak signal detection:\t%s\n",
 716                         as->cck_weak_sig ? "on" : "off");
 717
 718         len += snprintf(buf + len, sizeof(buf) - len,
 719                         "\nMIB INTERRUPTS:\t\t%u\n",
 720                         st->mib_intr);
 721         len += snprintf(buf + len, sizeof(buf) - len,
 722                         "beacon RSSI average:\t%d\n",
 723                         (int)ewma_read(&ah->ah_beacon_rssi_avg));
 724
 725 #define CC_PRINT(_struct, _field) \
 726         _struct._field, \
 727         _struct.cycles > 0 ? \
 728         _struct._field * 100 / _struct.cycles : 0
 729
 730         len += snprintf(buf + len, sizeof(buf) - len,
 731                         "profcnt tx\t\t%u\t(%d%%)\n",
 732                         CC_PRINT(as->last_cc, tx_frame));
 733         len += snprintf(buf + len, sizeof(buf) - len,
 734                         "profcnt rx\t\t%u\t(%d%%)\n",
 735                         CC_PRINT(as->last_cc, rx_frame));
 736         len += snprintf(buf + len, sizeof(buf) - len,
 737                         "profcnt busy\t\t%u\t(%d%%)\n",
 738                         CC_PRINT(as->last_cc, rx_busy));
 739 #undef CC_PRINT
 740         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 741                         as->last_cc.cycles);
 742         len += snprintf(buf + len, sizeof(buf) - len,
 743                         "listen time\t\t%d\tlast: %d\n",
 744                         as->listen_time, as->last_listen);
 745         len += snprintf(buf + len, sizeof(buf) - len,
 746                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 747                         as->ofdm_errors, as->last_ofdm_errors,
 748                         as->sum_ofdm_errors);
 749         len += snprintf(buf + len, sizeof(buf) - len,
 750                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 751                         as->cck_errors, as->last_cck_errors,
 752                         as->sum_cck_errors);
 753         len += snprintf(buf + len, sizeof(buf) - len,
 754                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 755                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 756                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 757                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 758         len += snprintf(buf + len, sizeof(buf) - len,
 759                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 760                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 761                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 762                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 763
 764         if (len > sizeof(buf))
 765                 len = sizeof(buf);
 766
 767         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 768 }
 769
 770 static ssize_t write_file_ani(struct file *file,
 771                                  const char __user *userbuf,
 772                                  size_t count, loff_t *ppos)
 773 {
 774         struct ath5k_hw *ah = file->private_data;
 775         char buf[20];
 776
 777         count = min_t(size_t, count, sizeof(buf) - 1);
 778         if (copy_from_user(buf, userbuf, count))
 779                 return -EFAULT;
 780
 781         buf[count] = '\0';
 782         if (strncmp(buf, "sens-low", 8) == 0) {
 783                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 784         } else if (strncmp(buf, "sens-high", 9) == 0) {
 785                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 786         } else if (strncmp(buf, "ani-off", 7) == 0) {
 787                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 788         } else if (strncmp(buf, "ani-on", 6) == 0) {
 789                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 790         } else if (strncmp(buf, "noise-low", 9) == 0) {
 791                 ath5k_ani_set_noise_immunity_level(ah, 0);
 792         } else if (strncmp(buf, "noise-high", 10) == 0) {
 793                 ath5k_ani_set_noise_immunity_level(ah,
 794                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 795         } else if (strncmp(buf, "spur-low", 8) == 0) {
 796                 ath5k_ani_set_spur_immunity_level(ah, 0);
 797         } else if (strncmp(buf, "spur-high", 9) == 0) {
 798                 ath5k_ani_set_spur_immunity_level(ah,
 799                                                   ah->ani_state.max_spur_level);
 800         } else if (strncmp(buf, "fir-low", 7) == 0) {
 801                 ath5k_ani_set_firstep_level(ah, 0);
 802         } else if (strncmp(buf, "fir-high", 8) == 0) {
 803                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 804         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 805                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 806         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 807                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 808         } else if (strncmp(buf, "cck-off", 7) == 0) {
 809                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 810         } else if (strncmp(buf, "cck-on", 6) == 0) {
 811                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 812         }
 813         return count;
 814 }
 815
 816 static const struct file_operations fops_ani = {
 817         .read = read_file_ani,
 818         .write = write_file_ani,
 819         .open = simple_open,
 820         .owner = THIS_MODULE,
 821         .llseek = default_llseek,
 822 };
 823
 824
 825 /* debugfs: queues etc */
 826
 827 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 828                                    size_t count, loff_t *ppos)
 829 {
 830         struct ath5k_hw *ah = file->private_data;
 831         char buf[700];
 832         unsigned int len = 0;
 833
 834         struct ath5k_txq *txq;
 835         struct ath5k_buf *bf, *bf0;
 836         int i, n;
 837
 838         len += snprintf(buf + len, sizeof(buf) - len,
 839                         "available txbuffers: %d\n", ah->txbuf_len);
 840
 841         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 842                 txq = &ah->txqs[i];
 843
 844                 len += snprintf(buf + len, sizeof(buf) - len,
 845                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 846
 847                 if (!txq->setup)
 848                         continue;
 849
 850                 n = 0;
 851                 spin_lock_bh(&txq->lock);
 852                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 853                         n++;
 854                 spin_unlock_bh(&txq->lock);
 855
 856                 len += snprintf(buf + len, sizeof(buf) - len,
 857                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 858                 len += snprintf(buf + len, sizeof(buf) - len,
 859                                 "  stuck: %d\n", txq->txq_stuck);
 860         }
 861
 862         if (len > sizeof(buf))
 863                 len = sizeof(buf);
 864
 865         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 866 }
 867
 868 static ssize_t write_file_queue(struct file *file,
 869                                  const char __user *userbuf,
 870                                  size_t count, loff_t *ppos)
 871 {
 872         struct ath5k_hw *ah = file->private_data;
 873         char buf[20];
 874
 875         count = min_t(size_t, count, sizeof(buf) - 1);
 876         if (copy_from_user(buf, userbuf, count))
 877                 return -EFAULT;
 878
 879         buf[count] = '\0';
 880         if (strncmp(buf, "start", 5) == 0)
 881                 ieee80211_wake_queues(ah->hw);
 882         else if (strncmp(buf, "stop", 4) == 0)
 883                 ieee80211_stop_queues(ah->hw);
 884
 885         return count;
 886 }
 887
 888
 889 static const struct file_operations fops_queue = {
 890         .read = read_file_queue,
 891         .write = write_file_queue,
 892         .open = simple_open,
 893         .owner = THIS_MODULE,
 894         .llseek = default_llseek,
 895 };
 896
 897 /* debugfs: eeprom */
 898
 899 struct eeprom_private {
 900         u16 *buf;
 901         int len;
 902 };
 903
 904 static int open_file_eeprom(struct inode *inode, struct file *file)
 905 {
 906         struct eeprom_private *ep;
 907         struct ath5k_hw *ah = inode->i_private;
 908         bool res;
 909         int i, ret;
 910         u32 eesize;
 911         u16 val, *buf;
 912
 913         /* Get eeprom size */
 914
 915         res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
 916         if (!res)
 917                 return -EACCES;
 918
 919         if (val == 0) {
 920                 eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
 921         } else {
 922                 eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
 923                         AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
 924                 ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
 925                 eesize = eesize | val;
 926         }
 927
 928         if (eesize > 4096)
 929                 return -EINVAL;
 930
 931         /* Create buffer and read in eeprom */
 932
 933         buf = vmalloc(eesize);
 934         if (!buf) {
 935                 ret = -ENOMEM;
 936                 goto err;
 937         }
 938
 939         for (i = 0; i < eesize; ++i) {
 940                 AR5K_EEPROM_READ(i, val);
 941                 buf[i] = val;
 942         }
 943
 944         /* Create private struct and assign to file */
 945
 946         ep = kmalloc(sizeof(*ep), GFP_KERNEL);
 947         if (!ep) {
 948                 ret = -ENOMEM;
 949                 goto freebuf;
 950         }
 951
 952         ep->buf = buf;
 953         ep->len = i;
 954
 955         file->private_data = (void *)ep;
 956
 957         return 0;
 958
 959 freebuf:
 960         vfree(buf);
 961 err:
 962         return ret;
 963
 964 }
 965
 966 static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
 967                                    size_t count, loff_t *ppos)
 968 {
 969         struct eeprom_private *ep = file->private_data;
 970
 971         return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
 972 }
 973
 974 static int release_file_eeprom(struct inode *inode, struct file *file)
 975 {
 976         struct eeprom_private *ep = file->private_data;
 977
 978         vfree(ep->buf);
 979         kfree(ep);
 980
 981         return 0;
 982 }
 983
 984 static const struct file_operations fops_eeprom = {
 985         .open = open_file_eeprom,
 986         .read = read_file_eeprom,
 987         .release = release_file_eeprom,
 988         .owner = THIS_MODULE,
 989 };
 990
 991
 992 void
 993 ath5k_debug_init_device(struct ath5k_hw *ah)
 994 {
 995         struct dentry *phydir;
 996
 997         ah->debug.level = ath5k_debug;
 998
 999         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
1000         if (!phydir)
1001                 return;
1002
1003         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
1004                             &fops_debug);
1005
1006         debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
1007
1008         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
1009                             &fops_beacon);
1010
1011         debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
1012
1013         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
1014                             &fops_antenna);
1015
1016         debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
1017
1018         debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom);
1019
1020         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
1021                             &fops_frameerrors);
1022
1023         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
1024
1025         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
1026                             &fops_queue);
1027
1028         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
1029                             &ah->ah_use_32khz_clock);
1030 }
1031
1032 /* functions used in other places */
1033
1034 void
1035 ath5k_debug_dump_bands(struct ath5k_hw *ah)
1036 {
1037         unsigned int b, i;
1038
1039         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
1040                 return;
1041
1042         BUG_ON(!ah->sbands);
1043
1044         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
1045                 struct ieee80211_supported_band *band = &ah->sbands[b];
1046                 char bname[6];
1047                 switch (band->band) {
1048                 case IEEE80211_BAND_2GHZ:
1049                         strcpy(bname, "2 GHz");
1050                         break;
1051                 case IEEE80211_BAND_5GHZ:
1052                         strcpy(bname, "5 GHz");
1053                         break;
1054                 default:
1055                         printk(KERN_DEBUG "Band not supported: %d\n",
1056                                 band->band);
1057                         return;
1058                 }
1059                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
1060                                 band->n_channels, band->n_bitrates);
1061                 printk(KERN_DEBUG " channels:\n");
1062                 for (i = 0; i < band->n_channels; i++)
1063                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
1064                                         ieee80211_frequency_to_channel(
1065                                                 band->channels[i].center_freq),
1066                                         band->channels[i].center_freq,
1067                                         band->channels[i].hw_value,
1068                                         band->channels[i].flags);
1069                 printk(KERN_DEBUG " rates:\n");
1070                 for (i = 0; i < band->n_bitrates; i++)
1071                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
1072                                         band->bitrates[i].bitrate,
1073                                         band->bitrates[i].hw_value,
1074                                         band->bitrates[i].flags,
1075                                         band->bitrates[i].hw_value_short);
1076         }
1077 }
1078
1079 static inline void
1080 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1081                        struct ath5k_rx_status *rs)
1082 {
1083         struct ath5k_desc *ds = bf->desc;
1084         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1085
1086         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1087                 ds, (unsigned long long)bf->daddr,
1088                 ds->ds_link, ds->ds_data,
1089                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1090                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1091                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1092 }
1093
1094 void
1095 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
1096 {
1097         struct ath5k_desc *ds;
1098         struct ath5k_buf *bf;
1099         struct ath5k_rx_status rs = {};
1100         int status;
1101
1102         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1103                 return;
1104
1105         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1106                 ath5k_hw_get_rxdp(ah), ah->rxlink);
1107
1108         spin_lock_bh(&ah->rxbuflock);
1109         list_for_each_entry(bf, &ah->rxbuf, list) {
1110                 ds = bf->desc;
1111                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1112                 if (!status)
1113                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1114         }
1115         spin_unlock_bh(&ah->rxbuflock);
1116 }
1117
1118 void
1119 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1120 {
1121         struct ath5k_desc *ds = bf->desc;
1122         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1123         struct ath5k_tx_status ts = {};
1124         int done;
1125
1126         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1127                 return;
1128
1129         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1130
1131         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1132                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1133                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1134                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1135                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1136                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1137 }