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 #include <linux/export.h>
  61 #include <linux/moduleparam.h>
  62
  63 #include <linux/seq_file.h>
  64 #include <linux/list.h>
  65 #include "debug.h"
  66 #include "ath5k.h"
  67 #include "reg.h"
  68 #include "base.h"
  69
  70 static unsigned int ath5k_debug;
  71 module_param_named(debug, ath5k_debug, uint, 0);
  72
  73
  74 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  75 {
  76         file->private_data = inode->i_private;
  77         return 0;
  78 }
  79
  80
  81 /* debugfs: registers */
  82
  83 struct reg {
  84         const char *name;
  85         int addr;
  86 };
  87
  88 #define REG_STRUCT_INIT(r) { #r, r }
  89
  90 /* just a few random registers, might want to add more */
  91 static const struct reg regs[] = {
  92         REG_STRUCT_INIT(AR5K_CR),
  93         REG_STRUCT_INIT(AR5K_RXDP),
  94         REG_STRUCT_INIT(AR5K_CFG),
  95         REG_STRUCT_INIT(AR5K_IER),
  96         REG_STRUCT_INIT(AR5K_BCR),
  97         REG_STRUCT_INIT(AR5K_RTSD0),
  98         REG_STRUCT_INIT(AR5K_RTSD1),
  99         REG_STRUCT_INIT(AR5K_TXCFG),
 100         REG_STRUCT_INIT(AR5K_RXCFG),
 101         REG_STRUCT_INIT(AR5K_RXJLA),
 102         REG_STRUCT_INIT(AR5K_MIBC),
 103         REG_STRUCT_INIT(AR5K_TOPS),
 104         REG_STRUCT_INIT(AR5K_RXNOFRM),
 105         REG_STRUCT_INIT(AR5K_TXNOFRM),
 106         REG_STRUCT_INIT(AR5K_RPGTO),
 107         REG_STRUCT_INIT(AR5K_RFCNT),
 108         REG_STRUCT_INIT(AR5K_MISC),
 109         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 110         REG_STRUCT_INIT(AR5K_ISR),
 111         REG_STRUCT_INIT(AR5K_PISR),
 112         REG_STRUCT_INIT(AR5K_SISR0),
 113         REG_STRUCT_INIT(AR5K_SISR1),
 114         REG_STRUCT_INIT(AR5K_SISR2),
 115         REG_STRUCT_INIT(AR5K_SISR3),
 116         REG_STRUCT_INIT(AR5K_SISR4),
 117         REG_STRUCT_INIT(AR5K_IMR),
 118         REG_STRUCT_INIT(AR5K_PIMR),
 119         REG_STRUCT_INIT(AR5K_SIMR0),
 120         REG_STRUCT_INIT(AR5K_SIMR1),
 121         REG_STRUCT_INIT(AR5K_SIMR2),
 122         REG_STRUCT_INIT(AR5K_SIMR3),
 123         REG_STRUCT_INIT(AR5K_SIMR4),
 124         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 125         REG_STRUCT_INIT(AR5K_DCCFG),
 126         REG_STRUCT_INIT(AR5K_CCFG),
 127         REG_STRUCT_INIT(AR5K_CPC0),
 128         REG_STRUCT_INIT(AR5K_CPC1),
 129         REG_STRUCT_INIT(AR5K_CPC2),
 130         REG_STRUCT_INIT(AR5K_CPC3),
 131         REG_STRUCT_INIT(AR5K_CPCOVF),
 132         REG_STRUCT_INIT(AR5K_RESET_CTL),
 133         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 134         REG_STRUCT_INIT(AR5K_INTPEND),
 135         REG_STRUCT_INIT(AR5K_SFR),
 136         REG_STRUCT_INIT(AR5K_PCICFG),
 137         REG_STRUCT_INIT(AR5K_GPIOCR),
 138         REG_STRUCT_INIT(AR5K_GPIODO),
 139         REG_STRUCT_INIT(AR5K_SREV),
 140 };
 141
 142 static void *reg_start(struct seq_file *seq, loff_t *pos)
 143 {
 144         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 145 }
 146
 147 static void reg_stop(struct seq_file *seq, void *p)
 148 {
 149         /* nothing to do */
 150 }
 151
 152 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 153 {
 154         ++*pos;
 155         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 156 }
 157
 158 static int reg_show(struct seq_file *seq, void *p)
 159 {
 160         struct ath5k_hw *ah = seq->private;
 161         struct reg *r = p;
 162         seq_printf(seq, "%-25s0x%08x\n", r->name,
 163                 ath5k_hw_reg_read(ah, r->addr));
 164         return 0;
 165 }
 166
 167 static const struct seq_operations register_seq_ops = {
 168         .start = reg_start,
 169         .next  = reg_next,
 170         .stop  = reg_stop,
 171         .show  = reg_show
 172 };
 173
 174 static int open_file_registers(struct inode *inode, struct file *file)
 175 {
 176         struct seq_file *s;
 177         int res;
 178         res = seq_open(file, &register_seq_ops);
 179         if (res == 0) {
 180                 s = file->private_data;
 181                 s->private = inode->i_private;
 182         }
 183         return res;
 184 }
 185
 186 static const struct file_operations fops_registers = {
 187         .open = open_file_registers,
 188         .read    = seq_read,
 189         .llseek  = seq_lseek,
 190         .release = seq_release,
 191         .owner = THIS_MODULE,
 192 };
 193
 194
 195 /* debugfs: beacons */
 196
 197 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 198                                    size_t count, loff_t *ppos)
 199 {
 200         struct ath5k_hw *ah = file->private_data;
 201         char buf[500];
 202         unsigned int len = 0;
 203         unsigned int v;
 204         u64 tsf;
 205
 206         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 207         len += snprintf(buf + len, sizeof(buf) - len,
 208                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 209                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 210                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 211
 212         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 213                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 214
 215         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 216                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 217
 218         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 219         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 220                 "AR5K_TIMER0 (TBTT)", v, v);
 221
 222         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 223         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 224                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 225
 226         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 227         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 228                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 229
 230         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 231         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 232                 "AR5K_TIMER3 (ATIM)", v, v);
 233
 234         tsf = ath5k_hw_get_tsf64(ah);
 235         len += snprintf(buf + len, sizeof(buf) - len,
 236                 "TSF\t\t0x%016llx\tTU: %08x\n",
 237                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 238
 239         if (len > sizeof(buf))
 240                 len = sizeof(buf);
 241
 242         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 243 }
 244
 245 static ssize_t write_file_beacon(struct file *file,
 246                                  const char __user *userbuf,
 247                                  size_t count, loff_t *ppos)
 248 {
 249         struct ath5k_hw *ah = file->private_data;
 250         char buf[20];
 251
 252         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 253                 return -EFAULT;
 254
 255         if (strncmp(buf, "disable", 7) == 0) {
 256                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 257                 printk(KERN_INFO "debugfs disable beacons\n");
 258         } else if (strncmp(buf, "enable", 6) == 0) {
 259                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 printk(KERN_INFO "debugfs enable beacons\n");
 261         }
 262         return count;
 263 }
 264
 265 static const struct file_operations fops_beacon = {
 266         .read = read_file_beacon,
 267         .write = write_file_beacon,
 268         .open = ath5k_debugfs_open,
 269         .owner = THIS_MODULE,
 270         .llseek = default_llseek,
 271 };
 272
 273
 274 /* debugfs: reset */
 275
 276 static ssize_t write_file_reset(struct file *file,
 277                                  const char __user *userbuf,
 278                                  size_t count, loff_t *ppos)
 279 {
 280         struct ath5k_hw *ah = file->private_data;
 281         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 282         ieee80211_queue_work(ah->hw, &ah->reset_work);
 283         return count;
 284 }
 285
 286 static const struct file_operations fops_reset = {
 287         .write = write_file_reset,
 288         .open = ath5k_debugfs_open,
 289         .owner = THIS_MODULE,
 290         .llseek = noop_llseek,
 291 };
 292
 293
 294 /* debugfs: debug level */
 295
 296 static const struct {
 297         enum ath5k_debug_level level;
 298         const char *name;
 299         const char *desc;
 300 } dbg_info[] = {
 301         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 302         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 303         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 304         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 305         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 306         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 307         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 308         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 309         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 310         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 311         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 312         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 313         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 314 };
 315
 316 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 317                                    size_t count, loff_t *ppos)
 318 {
 319         struct ath5k_hw *ah = file->private_data;
 320         char buf[700];
 321         unsigned int len = 0;
 322         unsigned int i;
 323
 324         len += snprintf(buf + len, sizeof(buf) - len,
 325                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 326
 327         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 328                 len += snprintf(buf + len, sizeof(buf) - len,
 329                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 330                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 331                         dbg_info[i].level, dbg_info[i].desc);
 332         }
 333         len += snprintf(buf + len, sizeof(buf) - len,
 334                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 335                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 336                 dbg_info[i].level, dbg_info[i].desc);
 337
 338         if (len > sizeof(buf))
 339                 len = sizeof(buf);
 340
 341         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 342 }
 343
 344 static ssize_t write_file_debug(struct file *file,
 345                                  const char __user *userbuf,
 346                                  size_t count, loff_t *ppos)
 347 {
 348         struct ath5k_hw *ah = file->private_data;
 349         unsigned int i;
 350         char buf[20];
 351
 352         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 353                 return -EFAULT;
 354
 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 = ath5k_debugfs_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         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 456                 return -EFAULT;
 457
 458         if (strncmp(buf, "diversity", 9) == 0) {
 459                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 460                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 461         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 462                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 463                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 464         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 465                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 466                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 467         } else if (strncmp(buf, "clear", 5) == 0) {
 468                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 469                         ah->stats.antenna_rx[i] = 0;
 470                         ah->stats.antenna_tx[i] = 0;
 471                 }
 472                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 473         }
 474         return count;
 475 }
 476
 477 static const struct file_operations fops_antenna = {
 478         .read = read_file_antenna,
 479         .write = write_file_antenna,
 480         .open = ath5k_debugfs_open,
 481         .owner = THIS_MODULE,
 482         .llseek = default_llseek,
 483 };
 484
 485 /* debugfs: misc */
 486
 487 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 488                                    size_t count, loff_t *ppos)
 489 {
 490         struct ath5k_hw *ah = file->private_data;
 491         char buf[700];
 492         unsigned int len = 0;
 493         u32 filt = ath5k_hw_get_rx_filter(ah);
 494
 495         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 496                         ah->bssidmask);
 497         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 498                         filt);
 499         if (filt & AR5K_RX_FILTER_UCAST)
 500                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 501         if (filt & AR5K_RX_FILTER_MCAST)
 502                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 503         if (filt & AR5K_RX_FILTER_BCAST)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 505         if (filt & AR5K_RX_FILTER_CONTROL)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 507         if (filt & AR5K_RX_FILTER_BEACON)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 509         if (filt & AR5K_RX_FILTER_PROM)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 511         if (filt & AR5K_RX_FILTER_XRPOLL)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 513         if (filt & AR5K_RX_FILTER_PROBEREQ)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 515         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 516                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 517         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 519         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 520                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 521         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 522                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 523
 524         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 525                         ath_opmode_to_string(ah->opmode), ah->opmode);
 526
 527         if (len > sizeof(buf))
 528                 len = sizeof(buf);
 529
 530         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 531 }
 532
 533 static const struct file_operations fops_misc = {
 534         .read = read_file_misc,
 535         .open = ath5k_debugfs_open,
 536         .owner = THIS_MODULE,
 537 };
 538
 539
 540 /* debugfs: frameerrors */
 541
 542 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 543                                    size_t count, loff_t *ppos)
 544 {
 545         struct ath5k_hw *ah = file->private_data;
 546         struct ath5k_statistics *st = &ah->stats;
 547         char buf[700];
 548         unsigned int len = 0;
 549         int i;
 550
 551         len += snprintf(buf + len, sizeof(buf) - len,
 552                         "RX\n---------------------\n");
 553         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 554                         st->rxerr_crc,
 555                         st->rx_all_count > 0 ?
 556                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 557         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 558                         st->rxerr_phy,
 559                         st->rx_all_count > 0 ?
 560                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 561         for (i = 0; i < 32; i++) {
 562                 if (st->rxerr_phy_code[i])
 563                         len += snprintf(buf + len, sizeof(buf) - len,
 564                                 " phy_err[%u]\t%u\n",
 565                                 i, st->rxerr_phy_code[i]);
 566         }
 567
 568         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 569                         st->rxerr_fifo,
 570                         st->rx_all_count > 0 ?
 571                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 572         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 573                         st->rxerr_decrypt,
 574                         st->rx_all_count > 0 ?
 575                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 576         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 577                         st->rxerr_mic,
 578                         st->rx_all_count > 0 ?
 579                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 580         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 581                         st->rxerr_proc,
 582                         st->rx_all_count > 0 ?
 583                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 584         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 585                         st->rxerr_jumbo,
 586                         st->rx_all_count > 0 ?
 587                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 588         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 589                         st->rx_all_count);
 590         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 591                         st->rx_bytes_count);
 592
 593         len += snprintf(buf + len, sizeof(buf) - len,
 594                         "\nTX\n---------------------\n");
 595         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 596                         st->txerr_retry,
 597                         st->tx_all_count > 0 ?
 598                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 599         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 600                         st->txerr_fifo,
 601                         st->tx_all_count > 0 ?
 602                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 603         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 604                         st->txerr_filt,
 605                         st->tx_all_count > 0 ?
 606                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 607         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 608                         st->tx_all_count);
 609         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 610                         st->tx_bytes_count);
 611
 612         if (len > sizeof(buf))
 613                 len = sizeof(buf);
 614
 615         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 616 }
 617
 618 static ssize_t write_file_frameerrors(struct file *file,
 619                                  const char __user *userbuf,
 620                                  size_t count, loff_t *ppos)
 621 {
 622         struct ath5k_hw *ah = file->private_data;
 623         struct ath5k_statistics *st = &ah->stats;
 624         char buf[20];
 625
 626         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 627                 return -EFAULT;
 628
 629         if (strncmp(buf, "clear", 5) == 0) {
 630                 st->rxerr_crc = 0;
 631                 st->rxerr_phy = 0;
 632                 st->rxerr_fifo = 0;
 633                 st->rxerr_decrypt = 0;
 634                 st->rxerr_mic = 0;
 635                 st->rxerr_proc = 0;
 636                 st->rxerr_jumbo = 0;
 637                 st->rx_all_count = 0;
 638                 st->txerr_retry = 0;
 639                 st->txerr_fifo = 0;
 640                 st->txerr_filt = 0;
 641                 st->tx_all_count = 0;
 642                 printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
 643         }
 644         return count;
 645 }
 646
 647 static const struct file_operations fops_frameerrors = {
 648         .read = read_file_frameerrors,
 649         .write = write_file_frameerrors,
 650         .open = ath5k_debugfs_open,
 651         .owner = THIS_MODULE,
 652         .llseek = default_llseek,
 653 };
 654
 655
 656 /* debugfs: ani */
 657
 658 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 659                                    size_t count, loff_t *ppos)
 660 {
 661         struct ath5k_hw *ah = file->private_data;
 662         struct ath5k_statistics *st = &ah->stats;
 663         struct ath5k_ani_state *as = &ah->ani_state;
 664
 665         char buf[700];
 666         unsigned int len = 0;
 667
 668         len += snprintf(buf + len, sizeof(buf) - len,
 669                         "HW has PHY error counters:\t%s\n",
 670                         ah->ah_capabilities.cap_has_phyerr_counters ?
 671                         "yes" : "no");
 672         len += snprintf(buf + len, sizeof(buf) - len,
 673                         "HW max spur immunity level:\t%d\n",
 674                         as->max_spur_level);
 675         len += snprintf(buf + len, sizeof(buf) - len,
 676                 "\nANI state\n--------------------------------------------\n");
 677         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 678         switch (as->ani_mode) {
 679         case ATH5K_ANI_MODE_OFF:
 680                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 681                 break;
 682         case ATH5K_ANI_MODE_MANUAL_LOW:
 683                 len += snprintf(buf + len, sizeof(buf) - len,
 684                         "MANUAL LOW\n");
 685                 break;
 686         case ATH5K_ANI_MODE_MANUAL_HIGH:
 687                 len += snprintf(buf + len, sizeof(buf) - len,
 688                         "MANUAL HIGH\n");
 689                 break;
 690         case ATH5K_ANI_MODE_AUTO:
 691                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 692                 break;
 693         default:
 694                 len += snprintf(buf + len, sizeof(buf) - len,
 695                         "??? (not good)\n");
 696                 break;
 697         }
 698         len += snprintf(buf + len, sizeof(buf) - len,
 699                         "noise immunity level:\t\t%d\n",
 700                         as->noise_imm_level);
 701         len += snprintf(buf + len, sizeof(buf) - len,
 702                         "spur immunity level:\t\t%d\n",
 703                         as->spur_level);
 704         len += snprintf(buf + len, sizeof(buf) - len,
 705                         "firstep level:\t\t\t%d\n",
 706                         as->firstep_level);
 707         len += snprintf(buf + len, sizeof(buf) - len,
 708                         "OFDM weak signal detection:\t%s\n",
 709                         as->ofdm_weak_sig ? "on" : "off");
 710         len += snprintf(buf + len, sizeof(buf) - len,
 711                         "CCK weak signal detection:\t%s\n",
 712                         as->cck_weak_sig ? "on" : "off");
 713
 714         len += snprintf(buf + len, sizeof(buf) - len,
 715                         "\nMIB INTERRUPTS:\t\t%u\n",
 716                         st->mib_intr);
 717         len += snprintf(buf + len, sizeof(buf) - len,
 718                         "beacon RSSI average:\t%d\n",
 719                         (int)ewma_read(&ah->ah_beacon_rssi_avg));
 720
 721 #define CC_PRINT(_struct, _field) \
 722         _struct._field, \
 723         _struct.cycles > 0 ? \
 724         _struct._field * 100 / _struct.cycles : 0
 725
 726         len += snprintf(buf + len, sizeof(buf) - len,
 727                         "profcnt tx\t\t%u\t(%d%%)\n",
 728                         CC_PRINT(as->last_cc, tx_frame));
 729         len += snprintf(buf + len, sizeof(buf) - len,
 730                         "profcnt rx\t\t%u\t(%d%%)\n",
 731                         CC_PRINT(as->last_cc, rx_frame));
 732         len += snprintf(buf + len, sizeof(buf) - len,
 733                         "profcnt busy\t\t%u\t(%d%%)\n",
 734                         CC_PRINT(as->last_cc, rx_busy));
 735 #undef CC_PRINT
 736         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 737                         as->last_cc.cycles);
 738         len += snprintf(buf + len, sizeof(buf) - len,
 739                         "listen time\t\t%d\tlast: %d\n",
 740                         as->listen_time, as->last_listen);
 741         len += snprintf(buf + len, sizeof(buf) - len,
 742                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 743                         as->ofdm_errors, as->last_ofdm_errors,
 744                         as->sum_ofdm_errors);
 745         len += snprintf(buf + len, sizeof(buf) - len,
 746                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 747                         as->cck_errors, as->last_cck_errors,
 748                         as->sum_cck_errors);
 749         len += snprintf(buf + len, sizeof(buf) - len,
 750                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 751                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 752                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 753                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 754         len += snprintf(buf + len, sizeof(buf) - len,
 755                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 756                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 757                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 758                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 759
 760         if (len > sizeof(buf))
 761                 len = sizeof(buf);
 762
 763         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 764 }
 765
 766 static ssize_t write_file_ani(struct file *file,
 767                                  const char __user *userbuf,
 768                                  size_t count, loff_t *ppos)
 769 {
 770         struct ath5k_hw *ah = file->private_data;
 771         char buf[20];
 772
 773         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 774                 return -EFAULT;
 775
 776         if (strncmp(buf, "sens-low", 8) == 0) {
 777                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 778         } else if (strncmp(buf, "sens-high", 9) == 0) {
 779                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 780         } else if (strncmp(buf, "ani-off", 7) == 0) {
 781                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 782         } else if (strncmp(buf, "ani-on", 6) == 0) {
 783                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 784         } else if (strncmp(buf, "noise-low", 9) == 0) {
 785                 ath5k_ani_set_noise_immunity_level(ah, 0);
 786         } else if (strncmp(buf, "noise-high", 10) == 0) {
 787                 ath5k_ani_set_noise_immunity_level(ah,
 788                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 789         } else if (strncmp(buf, "spur-low", 8) == 0) {
 790                 ath5k_ani_set_spur_immunity_level(ah, 0);
 791         } else if (strncmp(buf, "spur-high", 9) == 0) {
 792                 ath5k_ani_set_spur_immunity_level(ah,
 793                                                   ah->ani_state.max_spur_level);
 794         } else if (strncmp(buf, "fir-low", 7) == 0) {
 795                 ath5k_ani_set_firstep_level(ah, 0);
 796         } else if (strncmp(buf, "fir-high", 8) == 0) {
 797                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 798         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 799                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 800         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 801                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 802         } else if (strncmp(buf, "cck-off", 7) == 0) {
 803                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 804         } else if (strncmp(buf, "cck-on", 6) == 0) {
 805                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 806         }
 807         return count;
 808 }
 809
 810 static const struct file_operations fops_ani = {
 811         .read = read_file_ani,
 812         .write = write_file_ani,
 813         .open = ath5k_debugfs_open,
 814         .owner = THIS_MODULE,
 815         .llseek = default_llseek,
 816 };
 817
 818
 819 /* debugfs: queues etc */
 820
 821 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 822                                    size_t count, loff_t *ppos)
 823 {
 824         struct ath5k_hw *ah = file->private_data;
 825         char buf[700];
 826         unsigned int len = 0;
 827
 828         struct ath5k_txq *txq;
 829         struct ath5k_buf *bf, *bf0;
 830         int i, n;
 831
 832         len += snprintf(buf + len, sizeof(buf) - len,
 833                         "available txbuffers: %d\n", ah->txbuf_len);
 834
 835         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 836                 txq = &ah->txqs[i];
 837
 838                 len += snprintf(buf + len, sizeof(buf) - len,
 839                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 840
 841                 if (!txq->setup)
 842                         continue;
 843
 844                 n = 0;
 845                 spin_lock_bh(&txq->lock);
 846                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 847                         n++;
 848                 spin_unlock_bh(&txq->lock);
 849
 850                 len += snprintf(buf + len, sizeof(buf) - len,
 851                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 852                 len += snprintf(buf + len, sizeof(buf) - len,
 853                                 "  stuck: %d\n", txq->txq_stuck);
 854         }
 855
 856         if (len > sizeof(buf))
 857                 len = sizeof(buf);
 858
 859         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 860 }
 861
 862 static ssize_t write_file_queue(struct file *file,
 863                                  const char __user *userbuf,
 864                                  size_t count, loff_t *ppos)
 865 {
 866         struct ath5k_hw *ah = file->private_data;
 867         char buf[20];
 868
 869         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 870                 return -EFAULT;
 871
 872         if (strncmp(buf, "start", 5) == 0)
 873                 ieee80211_wake_queues(ah->hw);
 874         else if (strncmp(buf, "stop", 4) == 0)
 875                 ieee80211_stop_queues(ah->hw);
 876
 877         return count;
 878 }
 879
 880
 881 static const struct file_operations fops_queue = {
 882         .read = read_file_queue,
 883         .write = write_file_queue,
 884         .open = ath5k_debugfs_open,
 885         .owner = THIS_MODULE,
 886         .llseek = default_llseek,
 887 };
 888
 889
 890 void
 891 ath5k_debug_init_device(struct ath5k_hw *ah)
 892 {
 893         struct dentry *phydir;
 894
 895         ah->debug.level = ath5k_debug;
 896
 897         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
 898         if (!phydir)
 899                 return;
 900
 901         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
 902                             &fops_debug);
 903
 904         debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
 905
 906         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
 907                             &fops_beacon);
 908
 909         debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
 910
 911         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
 912                             &fops_antenna);
 913
 914         debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
 915
 916         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
 917                             &fops_frameerrors);
 918
 919         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
 920
 921         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
 922                             &fops_queue);
 923
 924         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
 925                             &ah->ah_use_32khz_clock);
 926 }
 927
 928 /* functions used in other places */
 929
 930 void
 931 ath5k_debug_dump_bands(struct ath5k_hw *ah)
 932 {
 933         unsigned int b, i;
 934
 935         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 936                 return;
 937
 938         BUG_ON(!ah->sbands);
 939
 940         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 941                 struct ieee80211_supported_band *band = &ah->sbands[b];
 942                 char bname[6];
 943                 switch (band->band) {
 944                 case IEEE80211_BAND_2GHZ:
 945                         strcpy(bname, "2 GHz");
 946                         break;
 947                 case IEEE80211_BAND_5GHZ:
 948                         strcpy(bname, "5 GHz");
 949                         break;
 950                 default:
 951                         printk(KERN_DEBUG "Band not supported: %d\n",
 952                                 band->band);
 953                         return;
 954                 }
 955                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 956                                 band->n_channels, band->n_bitrates);
 957                 printk(KERN_DEBUG " channels:\n");
 958                 for (i = 0; i < band->n_channels; i++)
 959                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 960                                         ieee80211_frequency_to_channel(
 961                                                 band->channels[i].center_freq),
 962                                         band->channels[i].center_freq,
 963                                         band->channels[i].hw_value,
 964                                         band->channels[i].flags);
 965                 printk(KERN_DEBUG " rates:\n");
 966                 for (i = 0; i < band->n_bitrates; i++)
 967                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 968                                         band->bitrates[i].bitrate,
 969                                         band->bitrates[i].hw_value,
 970                                         band->bitrates[i].flags,
 971                                         band->bitrates[i].hw_value_short);
 972         }
 973 }
 974
 975 static inline void
 976 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 977                        struct ath5k_rx_status *rs)
 978 {
 979         struct ath5k_desc *ds = bf->desc;
 980         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 981
 982         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 983                 ds, (unsigned long long)bf->daddr,
 984                 ds->ds_link, ds->ds_data,
 985                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 986                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
 987                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 988 }
 989
 990 void
 991 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
 992 {
 993         struct ath5k_desc *ds;
 994         struct ath5k_buf *bf;
 995         struct ath5k_rx_status rs = {};
 996         int status;
 997
 998         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
 999                 return;
1000
1001         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1002                 ath5k_hw_get_rxdp(ah), ah->rxlink);
1003
1004         spin_lock_bh(&ah->rxbuflock);
1005         list_for_each_entry(bf, &ah->rxbuf, list) {
1006                 ds = bf->desc;
1007                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1008                 if (!status)
1009                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1010         }
1011         spin_unlock_bh(&ah->rxbuflock);
1012 }
1013
1014 void
1015 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1016 {
1017         struct ath5k_desc *ds = bf->desc;
1018         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1019         struct ath5k_tx_status ts = {};
1020         int done;
1021
1022         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1023                 return;
1024
1025         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1026
1027         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1028                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1029                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1030                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1031                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1032                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1033 }