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 "debug.h"
  70 #include "ath5k.h"
  71 #include "reg.h"
  72 #include "base.h"
  73
  74 static unsigned int ath5k_debug;
  75 module_param_named(debug, ath5k_debug, uint, 0);
  76
  77
  78 /* debugfs: registers */
  79
  80 struct reg {
  81         const char *name;
  82         int addr;
  83 };
  84
  85 #define REG_STRUCT_INIT(r) { #r, r }
  86
  87 /* just a few random registers, might want to add more */
  88 static const struct reg regs[] = {
  89         REG_STRUCT_INIT(AR5K_CR),
  90         REG_STRUCT_INIT(AR5K_RXDP),
  91         REG_STRUCT_INIT(AR5K_CFG),
  92         REG_STRUCT_INIT(AR5K_IER),
  93         REG_STRUCT_INIT(AR5K_BCR),
  94         REG_STRUCT_INIT(AR5K_RTSD0),
  95         REG_STRUCT_INIT(AR5K_RTSD1),
  96         REG_STRUCT_INIT(AR5K_TXCFG),
  97         REG_STRUCT_INIT(AR5K_RXCFG),
  98         REG_STRUCT_INIT(AR5K_RXJLA),
  99         REG_STRUCT_INIT(AR5K_MIBC),
 100         REG_STRUCT_INIT(AR5K_TOPS),
 101         REG_STRUCT_INIT(AR5K_RXNOFRM),
 102         REG_STRUCT_INIT(AR5K_TXNOFRM),
 103         REG_STRUCT_INIT(AR5K_RPGTO),
 104         REG_STRUCT_INIT(AR5K_RFCNT),
 105         REG_STRUCT_INIT(AR5K_MISC),
 106         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 107         REG_STRUCT_INIT(AR5K_ISR),
 108         REG_STRUCT_INIT(AR5K_PISR),
 109         REG_STRUCT_INIT(AR5K_SISR0),
 110         REG_STRUCT_INIT(AR5K_SISR1),
 111         REG_STRUCT_INIT(AR5K_SISR2),
 112         REG_STRUCT_INIT(AR5K_SISR3),
 113         REG_STRUCT_INIT(AR5K_SISR4),
 114         REG_STRUCT_INIT(AR5K_IMR),
 115         REG_STRUCT_INIT(AR5K_PIMR),
 116         REG_STRUCT_INIT(AR5K_SIMR0),
 117         REG_STRUCT_INIT(AR5K_SIMR1),
 118         REG_STRUCT_INIT(AR5K_SIMR2),
 119         REG_STRUCT_INIT(AR5K_SIMR3),
 120         REG_STRUCT_INIT(AR5K_SIMR4),
 121         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 122         REG_STRUCT_INIT(AR5K_DCCFG),
 123         REG_STRUCT_INIT(AR5K_CCFG),
 124         REG_STRUCT_INIT(AR5K_CPC0),
 125         REG_STRUCT_INIT(AR5K_CPC1),
 126         REG_STRUCT_INIT(AR5K_CPC2),
 127         REG_STRUCT_INIT(AR5K_CPC3),
 128         REG_STRUCT_INIT(AR5K_CPCOVF),
 129         REG_STRUCT_INIT(AR5K_RESET_CTL),
 130         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 131         REG_STRUCT_INIT(AR5K_INTPEND),
 132         REG_STRUCT_INIT(AR5K_SFR),
 133         REG_STRUCT_INIT(AR5K_PCICFG),
 134         REG_STRUCT_INIT(AR5K_GPIOCR),
 135         REG_STRUCT_INIT(AR5K_GPIODO),
 136         REG_STRUCT_INIT(AR5K_SREV),
 137 };
 138
 139 static void *reg_start(struct seq_file *seq, loff_t *pos)
 140 {
 141         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 142 }
 143
 144 static void reg_stop(struct seq_file *seq, void *p)
 145 {
 146         /* nothing to do */
 147 }
 148
 149 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 150 {
 151         ++*pos;
 152         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 153 }
 154
 155 static int reg_show(struct seq_file *seq, void *p)
 156 {
 157         struct ath5k_hw *ah = seq->private;
 158         struct reg *r = p;
 159         seq_printf(seq, "%-25s0x%08x\n", r->name,
 160                 ath5k_hw_reg_read(ah, r->addr));
 161         return 0;
 162 }
 163
 164 static const struct seq_operations registers_sops = {
 165         .start = reg_start,
 166         .next  = reg_next,
 167         .stop  = reg_stop,
 168         .show  = reg_show
 169 };
 170
 171 DEFINE_SEQ_ATTRIBUTE(registers);
 172
 173 /* debugfs: beacons */
 174
 175 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 176                                    size_t count, loff_t *ppos)
 177 {
 178         struct ath5k_hw *ah = file->private_data;
 179         char buf[500];
 180         unsigned int len = 0;
 181         unsigned int v;
 182         u64 tsf;
 183
 184         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 185         len += scnprintf(buf + len, sizeof(buf) - len,
 186                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 187                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 188                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 189
 190         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 191                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 192
 193         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 194                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 195
 196         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 197         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 198                 "AR5K_TIMER0 (TBTT)", v, v);
 199
 200         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 201         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 202                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 203
 204         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 205         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 206                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 207
 208         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 209         len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 210                 "AR5K_TIMER3 (ATIM)", v, v);
 211
 212         tsf = ath5k_hw_get_tsf64(ah);
 213         len += scnprintf(buf + len, sizeof(buf) - len,
 214                 "TSF\t\t0x%016llx\tTU: %08x\n",
 215                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 216
 217         if (len > sizeof(buf))
 218                 len = sizeof(buf);
 219
 220         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 221 }
 222
 223 static ssize_t write_file_beacon(struct file *file,
 224                                  const char __user *userbuf,
 225                                  size_t count, loff_t *ppos)
 226 {
 227         struct ath5k_hw *ah = file->private_data;
 228         char buf[20];
 229
 230         count = min_t(size_t, count, sizeof(buf) - 1);
 231         if (copy_from_user(buf, userbuf, count))
 232                 return -EFAULT;
 233
 234         buf[count] = '\0';
 235         if (strncmp(buf, "disable", 7) == 0) {
 236                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 237                 pr_info("debugfs disable beacons\n");
 238         } else if (strncmp(buf, "enable", 6) == 0) {
 239                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 240                 pr_info("debugfs enable beacons\n");
 241         }
 242         return count;
 243 }
 244
 245 static const struct file_operations fops_beacon = {
 246         .read = read_file_beacon,
 247         .write = write_file_beacon,
 248         .open = simple_open,
 249         .owner = THIS_MODULE,
 250         .llseek = default_llseek,
 251 };
 252
 253
 254 /* debugfs: reset */
 255
 256 static ssize_t write_file_reset(struct file *file,
 257                                  const char __user *userbuf,
 258                                  size_t count, loff_t *ppos)
 259 {
 260         struct ath5k_hw *ah = file->private_data;
 261         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 262         ieee80211_queue_work(ah->hw, &ah->reset_work);
 263         return count;
 264 }
 265
 266 static const struct file_operations fops_reset = {
 267         .write = write_file_reset,
 268         .open = simple_open,
 269         .owner = THIS_MODULE,
 270         .llseek = noop_llseek,
 271 };
 272
 273
 274 /* debugfs: debug level */
 275
 276 static const struct {
 277         enum ath5k_debug_level level;
 278         const char *name;
 279         const char *desc;
 280 } dbg_info[] = {
 281         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 282         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 283         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 284         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 285         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 286         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 287         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 288         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 289         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 290         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 291         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 292         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 293         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 294 };
 295
 296 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 297                                    size_t count, loff_t *ppos)
 298 {
 299         struct ath5k_hw *ah = file->private_data;
 300         char buf[700];
 301         unsigned int len = 0;
 302         unsigned int i;
 303
 304         len += scnprintf(buf + len, sizeof(buf) - len,
 305                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 306
 307         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 308                 len += scnprintf(buf + len, sizeof(buf) - len,
 309                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 310                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 311                         dbg_info[i].level, dbg_info[i].desc);
 312         }
 313         len += scnprintf(buf + len, sizeof(buf) - len,
 314                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 315                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 316                 dbg_info[i].level, dbg_info[i].desc);
 317
 318         if (len > sizeof(buf))
 319                 len = sizeof(buf);
 320
 321         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 322 }
 323
 324 static ssize_t write_file_debug(struct file *file,
 325                                  const char __user *userbuf,
 326                                  size_t count, loff_t *ppos)
 327 {
 328         struct ath5k_hw *ah = file->private_data;
 329         unsigned int i;
 330         char buf[20];
 331
 332         count = min_t(size_t, count, sizeof(buf) - 1);
 333         if (copy_from_user(buf, userbuf, count))
 334                 return -EFAULT;
 335
 336         buf[count] = '\0';
 337         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 338                 if (strncmp(buf, dbg_info[i].name,
 339                                         strlen(dbg_info[i].name)) == 0) {
 340                         ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 341                         break;
 342                 }
 343         }
 344         return count;
 345 }
 346
 347 static const struct file_operations fops_debug = {
 348         .read = read_file_debug,
 349         .write = write_file_debug,
 350         .open = simple_open,
 351         .owner = THIS_MODULE,
 352         .llseek = default_llseek,
 353 };
 354
 355
 356 /* debugfs: antenna */
 357
 358 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 359                                    size_t count, loff_t *ppos)
 360 {
 361         struct ath5k_hw *ah = file->private_data;
 362         char buf[700];
 363         unsigned int len = 0;
 364         unsigned int i;
 365         unsigned int v;
 366
 367         len += scnprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 368                 ah->ah_ant_mode);
 369         len += scnprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 370                 ah->ah_def_ant);
 371         len += scnprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 372                 ah->ah_tx_ant);
 373
 374         len += scnprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 375         for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 376                 len += scnprintf(buf + len, sizeof(buf) - len,
 377                         "[antenna %d]\t%d\t%d\n",
 378                         i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 379         }
 380         len += scnprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 381                         ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 382
 383         v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
 384         len += scnprintf(buf + len, sizeof(buf) - len,
 385                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 386
 387         v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 388         len += scnprintf(buf + len, sizeof(buf) - len,
 389                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 390                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 391         len += scnprintf(buf + len, sizeof(buf) - len,
 392                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 393                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 394         len += scnprintf(buf + len, sizeof(buf) - len,
 395                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 396                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 397         len += scnprintf(buf + len, sizeof(buf) - len,
 398                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 399                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 400
 401         v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
 402         len += scnprintf(buf + len, sizeof(buf) - len,
 403                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 404                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 405
 406         v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
 407         len += scnprintf(buf + len, sizeof(buf) - len,
 408                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 409                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 410
 411         v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
 412         len += scnprintf(buf + len, sizeof(buf) - len,
 413                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 414                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 415
 416         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 417         len += scnprintf(buf + len, sizeof(buf) - len,
 418                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 419         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 420         len += scnprintf(buf + len, sizeof(buf) - len,
 421                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 422
 423         if (len > sizeof(buf))
 424                 len = sizeof(buf);
 425
 426         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 427 }
 428
 429 static ssize_t write_file_antenna(struct file *file,
 430                                  const char __user *userbuf,
 431                                  size_t count, loff_t *ppos)
 432 {
 433         struct ath5k_hw *ah = file->private_data;
 434         unsigned int i;
 435         char buf[20];
 436
 437         count = min_t(size_t, count, sizeof(buf) - 1);
 438         if (copy_from_user(buf, userbuf, count))
 439                 return -EFAULT;
 440
 441         buf[count] = '\0';
 442         if (strncmp(buf, "diversity", 9) == 0) {
 443                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 444                 pr_info("debug: enable diversity\n");
 445         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 446                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 447                 pr_info("debug: fixed antenna A\n");
 448         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 449                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 450                 pr_info("debug: fixed antenna B\n");
 451         } else if (strncmp(buf, "clear", 5) == 0) {
 452                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 453                         ah->stats.antenna_rx[i] = 0;
 454                         ah->stats.antenna_tx[i] = 0;
 455                 }
 456                 pr_info("debug: cleared antenna stats\n");
 457         }
 458         return count;
 459 }
 460
 461 static const struct file_operations fops_antenna = {
 462         .read = read_file_antenna,
 463         .write = write_file_antenna,
 464         .open = simple_open,
 465         .owner = THIS_MODULE,
 466         .llseek = default_llseek,
 467 };
 468
 469 /* debugfs: misc */
 470
 471 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 472                                    size_t count, loff_t *ppos)
 473 {
 474         struct ath5k_hw *ah = file->private_data;
 475         char buf[700];
 476         unsigned int len = 0;
 477         u32 filt = ath5k_hw_get_rx_filter(ah);
 478
 479         len += scnprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 480                         ah->bssidmask);
 481         len += scnprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 482                         filt);
 483         if (filt & AR5K_RX_FILTER_UCAST)
 484                 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
 485         if (filt & AR5K_RX_FILTER_MCAST)
 486                 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
 487         if (filt & AR5K_RX_FILTER_BCAST)
 488                 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
 489         if (filt & AR5K_RX_FILTER_CONTROL)
 490                 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
 491         if (filt & AR5K_RX_FILTER_BEACON)
 492                 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
 493         if (filt & AR5K_RX_FILTER_PROM)
 494                 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
 495         if (filt & AR5K_RX_FILTER_XRPOLL)
 496                 len += scnprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 497         if (filt & AR5K_RX_FILTER_PROBEREQ)
 498                 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 499         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 500                 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 501         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 502                 len += scnprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 503         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 504                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 505         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 506                 len += scnprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 507
 508         len += scnprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 509                         ath_opmode_to_string(ah->opmode), ah->opmode);
 510
 511         if (len > sizeof(buf))
 512                 len = sizeof(buf);
 513
 514         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 515 }
 516
 517 static const struct file_operations fops_misc = {
 518         .read = read_file_misc,
 519         .open = simple_open,
 520         .owner = THIS_MODULE,
 521 };
 522
 523
 524 /* debugfs: frameerrors */
 525
 526 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 527                                    size_t count, loff_t *ppos)
 528 {
 529         struct ath5k_hw *ah = file->private_data;
 530         struct ath5k_statistics *st = &ah->stats;
 531         char buf[700];
 532         unsigned int len = 0;
 533         int i;
 534
 535         len += scnprintf(buf + len, sizeof(buf) - len,
 536                         "RX\n---------------------\n");
 537         len += scnprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 538                         st->rxerr_crc,
 539                         st->rx_all_count > 0 ?
 540                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 541         len += scnprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 542                         st->rxerr_phy,
 543                         st->rx_all_count > 0 ?
 544                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 545         for (i = 0; i < 32; i++) {
 546                 if (st->rxerr_phy_code[i])
 547                         len += scnprintf(buf + len, sizeof(buf) - len,
 548                                 " phy_err[%u]\t%u\n",
 549                                 i, st->rxerr_phy_code[i]);
 550         }
 551
 552         len += scnprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 553                         st->rxerr_fifo,
 554                         st->rx_all_count > 0 ?
 555                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 556         len += scnprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 557                         st->rxerr_decrypt,
 558                         st->rx_all_count > 0 ?
 559                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 560         len += scnprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 561                         st->rxerr_mic,
 562                         st->rx_all_count > 0 ?
 563                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 564         len += scnprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 565                         st->rxerr_proc,
 566                         st->rx_all_count > 0 ?
 567                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 568         len += scnprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 569                         st->rxerr_jumbo,
 570                         st->rx_all_count > 0 ?
 571                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 572         len += scnprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 573                         st->rx_all_count);
 574         len += scnprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 575                         st->rx_bytes_count);
 576
 577         len += scnprintf(buf + len, sizeof(buf) - len,
 578                         "\nTX\n---------------------\n");
 579         len += scnprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 580                         st->txerr_retry,
 581                         st->tx_all_count > 0 ?
 582                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 583         len += scnprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 584                         st->txerr_fifo,
 585                         st->tx_all_count > 0 ?
 586                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 587         len += scnprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 588                         st->txerr_filt,
 589                         st->tx_all_count > 0 ?
 590                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 591         len += scnprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 592                         st->tx_all_count);
 593         len += scnprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 594                         st->tx_bytes_count);
 595
 596         if (len > sizeof(buf))
 597                 len = sizeof(buf);
 598
 599         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 600 }
 601
 602 static ssize_t write_file_frameerrors(struct file *file,
 603                                  const char __user *userbuf,
 604                                  size_t count, loff_t *ppos)
 605 {
 606         struct ath5k_hw *ah = file->private_data;
 607         struct ath5k_statistics *st = &ah->stats;
 608         char buf[20];
 609
 610         count = min_t(size_t, count, sizeof(buf) - 1);
 611         if (copy_from_user(buf, userbuf, count))
 612                 return -EFAULT;
 613
 614         buf[count] = '\0';
 615         if (strncmp(buf, "clear", 5) == 0) {
 616                 st->rxerr_crc = 0;
 617                 st->rxerr_phy = 0;
 618                 st->rxerr_fifo = 0;
 619                 st->rxerr_decrypt = 0;
 620                 st->rxerr_mic = 0;
 621                 st->rxerr_proc = 0;
 622                 st->rxerr_jumbo = 0;
 623                 st->rx_all_count = 0;
 624                 st->txerr_retry = 0;
 625                 st->txerr_fifo = 0;
 626                 st->txerr_filt = 0;
 627                 st->tx_all_count = 0;
 628                 pr_info("debug: cleared frameerrors stats\n");
 629         }
 630         return count;
 631 }
 632
 633 static const struct file_operations fops_frameerrors = {
 634         .read = read_file_frameerrors,
 635         .write = write_file_frameerrors,
 636         .open = simple_open,
 637         .owner = THIS_MODULE,
 638         .llseek = default_llseek,
 639 };
 640
 641
 642 /* debugfs: ani */
 643
 644 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 645                                    size_t count, loff_t *ppos)
 646 {
 647         struct ath5k_hw *ah = file->private_data;
 648         struct ath5k_statistics *st = &ah->stats;
 649         struct ath5k_ani_state *as = &ah->ani_state;
 650
 651         char buf[700];
 652         unsigned int len = 0;
 653
 654         len += scnprintf(buf + len, sizeof(buf) - len,
 655                         "HW has PHY error counters:\t%s\n",
 656                         ah->ah_capabilities.cap_has_phyerr_counters ?
 657                         "yes" : "no");
 658         len += scnprintf(buf + len, sizeof(buf) - len,
 659                         "HW max spur immunity level:\t%d\n",
 660                         as->max_spur_level);
 661         len += scnprintf(buf + len, sizeof(buf) - len,
 662                 "\nANI state\n--------------------------------------------\n");
 663         len += scnprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 664         switch (as->ani_mode) {
 665         case ATH5K_ANI_MODE_OFF:
 666                 len += scnprintf(buf + len, sizeof(buf) - len, "OFF\n");
 667                 break;
 668         case ATH5K_ANI_MODE_MANUAL_LOW:
 669                 len += scnprintf(buf + len, sizeof(buf) - len,
 670                         "MANUAL LOW\n");
 671                 break;
 672         case ATH5K_ANI_MODE_MANUAL_HIGH:
 673                 len += scnprintf(buf + len, sizeof(buf) - len,
 674                         "MANUAL HIGH\n");
 675                 break;
 676         case ATH5K_ANI_MODE_AUTO:
 677                 len += scnprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 678                 break;
 679         default:
 680                 len += scnprintf(buf + len, sizeof(buf) - len,
 681                         "??? (not good)\n");
 682                 break;
 683         }
 684         len += scnprintf(buf + len, sizeof(buf) - len,
 685                         "noise immunity level:\t\t%d\n",
 686                         as->noise_imm_level);
 687         len += scnprintf(buf + len, sizeof(buf) - len,
 688                         "spur immunity level:\t\t%d\n",
 689                         as->spur_level);
 690         len += scnprintf(buf + len, sizeof(buf) - len,
 691                         "firstep level:\t\t\t%d\n",
 692                         as->firstep_level);
 693         len += scnprintf(buf + len, sizeof(buf) - len,
 694                         "OFDM weak signal detection:\t%s\n",
 695                         as->ofdm_weak_sig ? "on" : "off");
 696         len += scnprintf(buf + len, sizeof(buf) - len,
 697                         "CCK weak signal detection:\t%s\n",
 698                         as->cck_weak_sig ? "on" : "off");
 699
 700         len += scnprintf(buf + len, sizeof(buf) - len,
 701                         "\nMIB INTERRUPTS:\t\t%u\n",
 702                         st->mib_intr);
 703         len += scnprintf(buf + len, sizeof(buf) - len,
 704                         "beacon RSSI average:\t%d\n",
 705                         (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg));
 706
 707 #define CC_PRINT(_struct, _field) \
 708         _struct._field, \
 709         _struct.cycles > 0 ? \
 710         _struct._field * 100 / _struct.cycles : 0
 711
 712         len += scnprintf(buf + len, sizeof(buf) - len,
 713                         "profcnt tx\t\t%u\t(%d%%)\n",
 714                         CC_PRINT(as->last_cc, tx_frame));
 715         len += scnprintf(buf + len, sizeof(buf) - len,
 716                         "profcnt rx\t\t%u\t(%d%%)\n",
 717                         CC_PRINT(as->last_cc, rx_frame));
 718         len += scnprintf(buf + len, sizeof(buf) - len,
 719                         "profcnt busy\t\t%u\t(%d%%)\n",
 720                         CC_PRINT(as->last_cc, rx_busy));
 721 #undef CC_PRINT
 722         len += scnprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 723                         as->last_cc.cycles);
 724         len += scnprintf(buf + len, sizeof(buf) - len,
 725                         "listen time\t\t%d\tlast: %d\n",
 726                         as->listen_time, as->last_listen);
 727         len += scnprintf(buf + len, sizeof(buf) - len,
 728                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 729                         as->ofdm_errors, as->last_ofdm_errors,
 730                         as->sum_ofdm_errors);
 731         len += scnprintf(buf + len, sizeof(buf) - len,
 732                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 733                         as->cck_errors, as->last_cck_errors,
 734                         as->sum_cck_errors);
 735         len += scnprintf(buf + len, sizeof(buf) - len,
 736                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 737                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 738                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 739                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 740         len += scnprintf(buf + len, sizeof(buf) - len,
 741                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 742                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 743                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 744                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 745
 746         if (len > sizeof(buf))
 747                 len = sizeof(buf);
 748
 749         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 750 }
 751
 752 static ssize_t write_file_ani(struct file *file,
 753                                  const char __user *userbuf,
 754                                  size_t count, loff_t *ppos)
 755 {
 756         struct ath5k_hw *ah = file->private_data;
 757         char buf[20];
 758
 759         count = min_t(size_t, count, sizeof(buf) - 1);
 760         if (copy_from_user(buf, userbuf, count))
 761                 return -EFAULT;
 762
 763         buf[count] = '\0';
 764         if (strncmp(buf, "sens-low", 8) == 0) {
 765                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 766         } else if (strncmp(buf, "sens-high", 9) == 0) {
 767                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 768         } else if (strncmp(buf, "ani-off", 7) == 0) {
 769                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 770         } else if (strncmp(buf, "ani-on", 6) == 0) {
 771                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 772         } else if (strncmp(buf, "noise-low", 9) == 0) {
 773                 ath5k_ani_set_noise_immunity_level(ah, 0);
 774         } else if (strncmp(buf, "noise-high", 10) == 0) {
 775                 ath5k_ani_set_noise_immunity_level(ah,
 776                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 777         } else if (strncmp(buf, "spur-low", 8) == 0) {
 778                 ath5k_ani_set_spur_immunity_level(ah, 0);
 779         } else if (strncmp(buf, "spur-high", 9) == 0) {
 780                 ath5k_ani_set_spur_immunity_level(ah,
 781                                                   ah->ani_state.max_spur_level);
 782         } else if (strncmp(buf, "fir-low", 7) == 0) {
 783                 ath5k_ani_set_firstep_level(ah, 0);
 784         } else if (strncmp(buf, "fir-high", 8) == 0) {
 785                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 786         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 787                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 788         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 789                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 790         } else if (strncmp(buf, "cck-off", 7) == 0) {
 791                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 792         } else if (strncmp(buf, "cck-on", 6) == 0) {
 793                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 794         }
 795         return count;
 796 }
 797
 798 static const struct file_operations fops_ani = {
 799         .read = read_file_ani,
 800         .write = write_file_ani,
 801         .open = simple_open,
 802         .owner = THIS_MODULE,
 803         .llseek = default_llseek,
 804 };
 805
 806
 807 /* debugfs: queues etc */
 808
 809 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 810                                    size_t count, loff_t *ppos)
 811 {
 812         struct ath5k_hw *ah = file->private_data;
 813         char buf[700];
 814         unsigned int len = 0;
 815
 816         struct ath5k_txq *txq;
 817         struct ath5k_buf *bf, *bf0;
 818         int i, n;
 819
 820         len += scnprintf(buf + len, sizeof(buf) - len,
 821                         "available txbuffers: %d\n", ah->txbuf_len);
 822
 823         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 824                 txq = &ah->txqs[i];
 825
 826                 len += scnprintf(buf + len, sizeof(buf) - len,
 827                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 828
 829                 if (!txq->setup)
 830                         continue;
 831
 832                 n = 0;
 833                 spin_lock_bh(&txq->lock);
 834                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 835                         n++;
 836                 spin_unlock_bh(&txq->lock);
 837
 838                 len += scnprintf(buf + len, sizeof(buf) - len,
 839                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 840                 len += scnprintf(buf + len, sizeof(buf) - len,
 841                                 "  stuck: %d\n", txq->txq_stuck);
 842         }
 843
 844         if (len > sizeof(buf))
 845                 len = sizeof(buf);
 846
 847         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 848 }
 849
 850 static ssize_t write_file_queue(struct file *file,
 851                                  const char __user *userbuf,
 852                                  size_t count, loff_t *ppos)
 853 {
 854         struct ath5k_hw *ah = file->private_data;
 855         char buf[20];
 856
 857         count = min_t(size_t, count, sizeof(buf) - 1);
 858         if (copy_from_user(buf, userbuf, count))
 859                 return -EFAULT;
 860
 861         buf[count] = '\0';
 862         if (strncmp(buf, "start", 5) == 0)
 863                 ieee80211_wake_queues(ah->hw);
 864         else if (strncmp(buf, "stop", 4) == 0)
 865                 ieee80211_stop_queues(ah->hw);
 866
 867         return count;
 868 }
 869
 870
 871 static const struct file_operations fops_queue = {
 872         .read = read_file_queue,
 873         .write = write_file_queue,
 874         .open = simple_open,
 875         .owner = THIS_MODULE,
 876         .llseek = default_llseek,
 877 };
 878
 879 /* debugfs: eeprom */
 880
 881 struct eeprom_private {
 882         u16 *buf;
 883         int len;
 884 };
 885
 886 static int open_file_eeprom(struct inode *inode, struct file *file)
 887 {
 888         struct eeprom_private *ep;
 889         struct ath5k_hw *ah = inode->i_private;
 890         bool res;
 891         int i, ret;
 892         u32 eesize;     /* NB: in 16-bit words */
 893         u16 val, *buf;
 894
 895         /* Get eeprom size */
 896
 897         res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
 898         if (!res)
 899                 return -EACCES;
 900
 901         if (val == 0) {
 902                 eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
 903         } else {
 904                 eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
 905                         AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
 906                 ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
 907                 eesize = eesize | val;
 908         }
 909
 910         if (eesize > 4096)
 911                 return -EINVAL;
 912
 913         /* Create buffer and read in eeprom */
 914
 915         buf = vmalloc(array_size(eesize, 2));
 916         if (!buf) {
 917                 ret = -ENOMEM;
 918                 goto err;
 919         }
 920
 921         for (i = 0; i < eesize; ++i) {
 922                 if (!ath5k_hw_nvram_read(ah, i, &val)) {
 923                         ret = -EIO;
 924                         goto freebuf;
 925                 }
 926                 buf[i] = val;
 927         }
 928
 929         /* Create private struct and assign to file */
 930
 931         ep = kmalloc(sizeof(*ep), GFP_KERNEL);
 932         if (!ep) {
 933                 ret = -ENOMEM;
 934                 goto freebuf;
 935         }
 936
 937         ep->buf = buf;
 938         ep->len = eesize * 2;
 939
 940         file->private_data = (void *)ep;
 941
 942         return 0;
 943
 944 freebuf:
 945         vfree(buf);
 946 err:
 947         return ret;
 948
 949 }
 950
 951 static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
 952                                    size_t count, loff_t *ppos)
 953 {
 954         struct eeprom_private *ep = file->private_data;
 955
 956         return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
 957 }
 958
 959 static int release_file_eeprom(struct inode *inode, struct file *file)
 960 {
 961         struct eeprom_private *ep = file->private_data;
 962
 963         vfree(ep->buf);
 964         kfree(ep);
 965
 966         return 0;
 967 }
 968
 969 static const struct file_operations fops_eeprom = {
 970         .open = open_file_eeprom,
 971         .read = read_file_eeprom,
 972         .release = release_file_eeprom,
 973         .owner = THIS_MODULE,
 974 };
 975
 976
 977 void
 978 ath5k_debug_init_device(struct ath5k_hw *ah)
 979 {
 980         struct dentry *phydir;
 981
 982         ah->debug.level = ath5k_debug;
 983
 984         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
 985
 986         debugfs_create_file("debug", 0600, phydir, ah, &fops_debug);
 987         debugfs_create_file("registers", 0400, phydir, ah, &registers_fops);
 988         debugfs_create_file("beacon", 0600, phydir, ah, &fops_beacon);
 989         debugfs_create_file("reset", 0200, phydir, ah, &fops_reset);
 990         debugfs_create_file("antenna", 0600, phydir, ah, &fops_antenna);
 991         debugfs_create_file("misc", 0400, phydir, ah, &fops_misc);
 992         debugfs_create_file("eeprom", 0400, phydir, ah, &fops_eeprom);
 993         debugfs_create_file("frameerrors", 0600, phydir, ah, &fops_frameerrors);
 994         debugfs_create_file("ani", 0600, phydir, ah, &fops_ani);
 995         debugfs_create_file("queue", 0600, phydir, ah, &fops_queue);
 996         debugfs_create_bool("32khz_clock", 0600, phydir,
 997                             &ah->ah_use_32khz_clock);
 998 }
 999
1000 /* functions used in other places */
1001
1002 void
1003 ath5k_debug_dump_bands(struct ath5k_hw *ah)
1004 {
1005         unsigned int b, i;
1006
1007         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
1008                 return;
1009
1010         for (b = 0; b < NUM_NL80211_BANDS; b++) {
1011                 struct ieee80211_supported_band *band = &ah->sbands[b];
1012                 char bname[6];
1013                 switch (band->band) {
1014                 case NL80211_BAND_2GHZ:
1015                         strcpy(bname, "2 GHz");
1016                         break;
1017                 case NL80211_BAND_5GHZ:
1018                         strcpy(bname, "5 GHz");
1019                         break;
1020                 default:
1021                         printk(KERN_DEBUG "Band not supported: %d\n",
1022                                 band->band);
1023                         return;
1024                 }
1025                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
1026                                 band->n_channels, band->n_bitrates);
1027                 printk(KERN_DEBUG " channels:\n");
1028                 for (i = 0; i < band->n_channels; i++)
1029                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
1030                                         ieee80211_frequency_to_channel(
1031                                                 band->channels[i].center_freq),
1032                                         band->channels[i].center_freq,
1033                                         band->channels[i].hw_value,
1034                                         band->channels[i].flags);
1035                 printk(KERN_DEBUG " rates:\n");
1036                 for (i = 0; i < band->n_bitrates; i++)
1037                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
1038                                         band->bitrates[i].bitrate,
1039                                         band->bitrates[i].hw_value,
1040                                         band->bitrates[i].flags,
1041                                         band->bitrates[i].hw_value_short);
1042         }
1043 }
1044
1045 static inline void
1046 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1047                        struct ath5k_rx_status *rs)
1048 {
1049         struct ath5k_desc *ds = bf->desc;
1050         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1051
1052         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1053                 ds, (unsigned long long)bf->daddr,
1054                 ds->ds_link, ds->ds_data,
1055                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1056                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1057                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1058 }
1059
1060 void
1061 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
1062 {
1063         struct ath5k_desc *ds;
1064         struct ath5k_buf *bf;
1065         struct ath5k_rx_status rs = {};
1066         int status;
1067
1068         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1069                 return;
1070
1071         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1072                 ath5k_hw_get_rxdp(ah), ah->rxlink);
1073
1074         spin_lock_bh(&ah->rxbuflock);
1075         list_for_each_entry(bf, &ah->rxbuf, list) {
1076                 ds = bf->desc;
1077                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1078                 if (!status)
1079                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1080         }
1081         spin_unlock_bh(&ah->rxbuflock);
1082 }
1083
1084 void
1085 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1086 {
1087         struct ath5k_desc *ds = bf->desc;
1088         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1089         struct ath5k_tx_status ts = {};
1090         int done;
1091
1092         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1093                 return;
1094
1095         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1096
1097         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1098                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1099                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1100                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1101                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1102                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1103 }