drivers/net/wireless/ath/ath5k/debug.c

   1 /*
   2  * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
   3  *
   4  *  This file is free software: you may copy, redistribute and/or modify it
   5  *  under the terms of the GNU General Public License as published by the
   6  *  Free Software Foundation, either version 2 of the License, or (at your
   7  *  option) any later version.
   8  *
   9  *  This file is distributed in the hope that it will be useful, but
  10  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  *
  18  * This file incorporates work covered by the following copyright and
  19  * permission notice:
  20  *
  21  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  22  * Copyright (c) 2004-2005 Atheros Communications, Inc.
  23  * Copyright (c) 2006 Devicescape Software, Inc.
  24  * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
  25  * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
  26  *
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer,
  34  *    without modification.
  35  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  36  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  37  *    redistribution must be conditioned upon including a substantially
  38  *    similar Disclaimer requirement for further binary redistribution.
  39  * 3. Neither the names of the above-listed copyright holders nor the names
  40  *    of any contributors may be used to endorse or promote products derived
  41  *    from this software without specific prior written permission.
  42  *
  43  * Alternatively, this software may be distributed under the terms of the
  44  * GNU General Public License ("GPL") version 2 as published by the Free
  45  * Software Foundation.
  46  *
  47  * NO WARRANTY
  48  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  49  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  50  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  51  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  52  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  53  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  54  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  55  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  56  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  57  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  58  * THE POSSIBILITY OF SUCH DAMAGES.
  59  */
  60
  61 #include "base.h"
  62 #include "debug.h"
  63 #include "../debug.h"
  64
  65 static unsigned int ath5k_debug;
  66 module_param_named(debug, ath5k_debug, uint, 0);
  67
  68
  69 #ifdef CONFIG_ATH5K_DEBUG
  70
  71 #include <linux/seq_file.h>
  72 #include "reg.h"
  73 #include "ani.h"
  74
  75 static int ath5k_debugfs_open(struct inode *inode, struct file *file)
  76 {
  77         file->private_data = inode->i_private;
  78         return 0;
  79 }
  80
  81
  82 /* debugfs: registers */
  83
  84 struct reg {
  85         const char *name;
  86         int addr;
  87 };
  88
  89 #define REG_STRUCT_INIT(r) { #r, r }
  90
  91 /* just a few random registers, might want to add more */
  92 static const struct reg regs[] = {
  93         REG_STRUCT_INIT(AR5K_CR),
  94         REG_STRUCT_INIT(AR5K_RXDP),
  95         REG_STRUCT_INIT(AR5K_CFG),
  96         REG_STRUCT_INIT(AR5K_IER),
  97         REG_STRUCT_INIT(AR5K_BCR),
  98         REG_STRUCT_INIT(AR5K_RTSD0),
  99         REG_STRUCT_INIT(AR5K_RTSD1),
 100         REG_STRUCT_INIT(AR5K_TXCFG),
 101         REG_STRUCT_INIT(AR5K_RXCFG),
 102         REG_STRUCT_INIT(AR5K_RXJLA),
 103         REG_STRUCT_INIT(AR5K_MIBC),
 104         REG_STRUCT_INIT(AR5K_TOPS),
 105         REG_STRUCT_INIT(AR5K_RXNOFRM),
 106         REG_STRUCT_INIT(AR5K_TXNOFRM),
 107         REG_STRUCT_INIT(AR5K_RPGTO),
 108         REG_STRUCT_INIT(AR5K_RFCNT),
 109         REG_STRUCT_INIT(AR5K_MISC),
 110         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 111         REG_STRUCT_INIT(AR5K_ISR),
 112         REG_STRUCT_INIT(AR5K_PISR),
 113         REG_STRUCT_INIT(AR5K_SISR0),
 114         REG_STRUCT_INIT(AR5K_SISR1),
 115         REG_STRUCT_INIT(AR5K_SISR2),
 116         REG_STRUCT_INIT(AR5K_SISR3),
 117         REG_STRUCT_INIT(AR5K_SISR4),
 118         REG_STRUCT_INIT(AR5K_IMR),
 119         REG_STRUCT_INIT(AR5K_PIMR),
 120         REG_STRUCT_INIT(AR5K_SIMR0),
 121         REG_STRUCT_INIT(AR5K_SIMR1),
 122         REG_STRUCT_INIT(AR5K_SIMR2),
 123         REG_STRUCT_INIT(AR5K_SIMR3),
 124         REG_STRUCT_INIT(AR5K_SIMR4),
 125         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 126         REG_STRUCT_INIT(AR5K_DCCFG),
 127         REG_STRUCT_INIT(AR5K_CCFG),
 128         REG_STRUCT_INIT(AR5K_CPC0),
 129         REG_STRUCT_INIT(AR5K_CPC1),
 130         REG_STRUCT_INIT(AR5K_CPC2),
 131         REG_STRUCT_INIT(AR5K_CPC3),
 132         REG_STRUCT_INIT(AR5K_CPCOVF),
 133         REG_STRUCT_INIT(AR5K_RESET_CTL),
 134         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 135         REG_STRUCT_INIT(AR5K_INTPEND),
 136         REG_STRUCT_INIT(AR5K_SFR),
 137         REG_STRUCT_INIT(AR5K_PCICFG),
 138         REG_STRUCT_INIT(AR5K_GPIOCR),
 139         REG_STRUCT_INIT(AR5K_GPIODO),
 140         REG_STRUCT_INIT(AR5K_SREV),
 141 };
 142
 143 static void *reg_start(struct seq_file *seq, loff_t *pos)
 144 {
 145         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 146 }
 147
 148 static void reg_stop(struct seq_file *seq, void *p)
 149 {
 150         /* nothing to do */
 151 }
 152
 153 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 154 {
 155         ++*pos;
 156         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 157 }
 158
 159 static int reg_show(struct seq_file *seq, void *p)
 160 {
 161         struct ath5k_softc *sc = seq->private;
 162         struct reg *r = p;
 163         seq_printf(seq, "%-25s0x%08x\n", r->name,
 164                 ath5k_hw_reg_read(sc->ah, r->addr));
 165         return 0;
 166 }
 167
 168 static const struct seq_operations register_seq_ops = {
 169         .start = reg_start,
 170         .next  = reg_next,
 171         .stop  = reg_stop,
 172         .show  = reg_show
 173 };
 174
 175 static int open_file_registers(struct inode *inode, struct file *file)
 176 {
 177         struct seq_file *s;
 178         int res;
 179         res = seq_open(file, &register_seq_ops);
 180         if (res == 0) {
 181                 s = file->private_data;
 182                 s->private = inode->i_private;
 183         }
 184         return res;
 185 }
 186
 187 static const struct file_operations fops_registers = {
 188         .open = open_file_registers,
 189         .read    = seq_read,
 190         .llseek  = seq_lseek,
 191         .release = seq_release,
 192         .owner = THIS_MODULE,
 193 };
 194
 195
 196 /* debugfs: beacons */
 197
 198 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 199                                    size_t count, loff_t *ppos)
 200 {
 201         struct ath5k_softc *sc = file->private_data;
 202         struct ath5k_hw *ah = sc->ah;
 203         char buf[500];
 204         unsigned int len = 0;
 205         unsigned int v;
 206         u64 tsf;
 207
 208         v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON);
 209         len += snprintf(buf+len, sizeof(buf)-len,
 210                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 211                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 212                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 213
 214         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n",
 215                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(sc->ah, AR5K_LAST_TSTP));
 216
 217         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\n\n",
 218                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(sc->ah, AR5K_BEACON_CNT));
 219
 220         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER0);
 221         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 222                 "AR5K_TIMER0 (TBTT)", v, v);
 223
 224         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER1);
 225         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 226                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 227
 228         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER2);
 229         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 230                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 231
 232         v = ath5k_hw_reg_read(sc->ah, AR5K_TIMER3);
 233         len += snprintf(buf+len, sizeof(buf)-len, "%-24s0x%08x\tTU: %08x\n",
 234                 "AR5K_TIMER3 (ATIM)", v, v);
 235
 236         tsf = ath5k_hw_get_tsf64(sc->ah);
 237         len += snprintf(buf+len, sizeof(buf)-len,
 238                 "TSF\t\t0x%016llx\tTU: %08x\n",
 239                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 240
 241         if (len > sizeof(buf))
 242                 len = sizeof(buf);
 243
 244         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 245 }
 246
 247 static ssize_t write_file_beacon(struct file *file,
 248                                  const char __user *userbuf,
 249                                  size_t count, loff_t *ppos)
 250 {
 251         struct ath5k_softc *sc = file->private_data;
 252         struct ath5k_hw *ah = sc->ah;
 253         char buf[20];
 254
 255         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 256                 return -EFAULT;
 257
 258         if (strncmp(buf, "disable", 7) == 0) {
 259                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 260                 printk(KERN_INFO "debugfs disable beacons\n");
 261         } else if (strncmp(buf, "enable", 6) == 0) {
 262                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 263                 printk(KERN_INFO "debugfs enable beacons\n");
 264         }
 265         return count;
 266 }
 267
 268 static const struct file_operations fops_beacon = {
 269         .read = read_file_beacon,
 270         .write = write_file_beacon,
 271         .open = ath5k_debugfs_open,
 272         .owner = THIS_MODULE,
 273 };
 274
 275
 276 /* debugfs: reset */
 277
 278 static ssize_t write_file_reset(struct file *file,
 279                                  const char __user *userbuf,
 280                                  size_t count, loff_t *ppos)
 281 {
 282         struct ath5k_softc *sc = file->private_data;
 283         ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 284         ieee80211_queue_work(sc->hw, &sc->reset_work);
 285         return count;
 286 }
 287
 288 static const struct file_operations fops_reset = {
 289         .write = write_file_reset,
 290         .open = ath5k_debugfs_open,
 291         .owner = THIS_MODULE,
 292 };
 293
 294
 295 /* debugfs: debug level */
 296
 297 static const struct {
 298         enum ath5k_debug_level level;
 299         const char *name;
 300         const char *desc;
 301 } dbg_info[] = {
 302         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 303         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 304         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 305         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 306         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 307         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 308         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 309         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 310         { ATH5K_DEBUG_DUMP_RX,  "dumprx",       "print received skb content" },
 311         { ATH5K_DEBUG_DUMP_TX,  "dumptx",       "print transmit skb content" },
 312         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 313         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 314         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 315         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 316 };
 317
 318 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 319                                    size_t count, loff_t *ppos)
 320 {
 321         struct ath5k_softc *sc = file->private_data;
 322         char buf[700];
 323         unsigned int len = 0;
 324         unsigned int i;
 325
 326         len += snprintf(buf+len, sizeof(buf)-len,
 327                 "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level);
 328
 329         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 330                 len += snprintf(buf+len, sizeof(buf)-len,
 331                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 332                         sc->debug.level & dbg_info[i].level ? '+' : ' ',
 333                         dbg_info[i].level, dbg_info[i].desc);
 334         }
 335         len += snprintf(buf+len, sizeof(buf)-len,
 336                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 337                 sc->debug.level == dbg_info[i].level ? '+' : ' ',
 338                 dbg_info[i].level, dbg_info[i].desc);
 339
 340         if (len > sizeof(buf))
 341                 len = sizeof(buf);
 342
 343         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 344 }
 345
 346 static ssize_t write_file_debug(struct file *file,
 347                                  const char __user *userbuf,
 348                                  size_t count, loff_t *ppos)
 349 {
 350         struct ath5k_softc *sc = file->private_data;
 351         unsigned int i;
 352         char buf[20];
 353
 354         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 355                 return -EFAULT;
 356
 357         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 358                 if (strncmp(buf, dbg_info[i].name,
 359                                         strlen(dbg_info[i].name)) == 0) {
 360                         sc->debug.level ^= dbg_info[i].level; /* toggle bit */
 361                         break;
 362                 }
 363         }
 364         return count;
 365 }
 366
 367 static const struct file_operations fops_debug = {
 368         .read = read_file_debug,
 369         .write = write_file_debug,
 370         .open = ath5k_debugfs_open,
 371         .owner = THIS_MODULE,
 372 };
 373
 374
 375 /* debugfs: antenna */
 376
 377 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 378                                    size_t count, loff_t *ppos)
 379 {
 380         struct ath5k_softc *sc = file->private_data;
 381         char buf[700];
 382         unsigned int len = 0;
 383         unsigned int i;
 384         unsigned int v;
 385
 386         len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n",
 387                 sc->ah->ah_ant_mode);
 388         len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n",
 389                 sc->ah->ah_def_ant);
 390         len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n",
 391                 sc->ah->ah_tx_ant);
 392
 393         len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n");
 394         for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 395                 len += snprintf(buf+len, sizeof(buf)-len,
 396                         "[antenna %d]\t%d\t%d\n",
 397                         i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
 398         }
 399         len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n",
 400                         sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
 401
 402         v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
 403         len += snprintf(buf+len, sizeof(buf)-len,
 404                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 405
 406         v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
 407         len += snprintf(buf+len, sizeof(buf)-len,
 408                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 409                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 410         len += snprintf(buf+len, sizeof(buf)-len,
 411                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 412                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 413         len += snprintf(buf+len, sizeof(buf)-len,
 414                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 415                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 416         len += snprintf(buf+len, sizeof(buf)-len,
 417                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 418                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 419
 420         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
 421         len += snprintf(buf+len, sizeof(buf)-len,
 422                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 423                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 424
 425         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
 426         len += snprintf(buf+len, sizeof(buf)-len,
 427                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 428                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 429
 430         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
 431         len += snprintf(buf+len, sizeof(buf)-len,
 432                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 433                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 434
 435         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 436         len += snprintf(buf+len, sizeof(buf)-len,
 437                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 438         v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 439         len += snprintf(buf+len, sizeof(buf)-len,
 440                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 441
 442         if (len > sizeof(buf))
 443                 len = sizeof(buf);
 444
 445         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 446 }
 447
 448 static ssize_t write_file_antenna(struct file *file,
 449                                  const char __user *userbuf,
 450                                  size_t count, loff_t *ppos)
 451 {
 452         struct ath5k_softc *sc = file->private_data;
 453         unsigned int i;
 454         char buf[20];
 455
 456         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 457                 return -EFAULT;
 458
 459         if (strncmp(buf, "diversity", 9) == 0) {
 460                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
 461                 printk(KERN_INFO "ath5k debug: enable diversity\n");
 462         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 463                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
 464                 printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
 465         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 466                 ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
 467                 printk(KERN_INFO "ath5k debug: fixed antenna B\n");
 468         } else if (strncmp(buf, "clear", 5) == 0) {
 469                 for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
 470                         sc->stats.antenna_rx[i] = 0;
 471                         sc->stats.antenna_tx[i] = 0;
 472                 }
 473                 printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
 474         }
 475         return count;
 476 }
 477
 478 static const struct file_operations fops_antenna = {
 479         .read = read_file_antenna,
 480         .write = write_file_antenna,
 481         .open = ath5k_debugfs_open,
 482         .owner = THIS_MODULE,
 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_softc *sc = file->private_data;
 491         char buf[700];
 492         unsigned int len = 0;
 493         u32 filt = ath5k_hw_get_rx_filter(sc->ah);
 494
 495         len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n",
 496                         sc->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(sc->opmode), sc->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_softc *sc = file->private_data;
 546         struct ath5k_statistics *st = &sc->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%d\t(%d%%)\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%d\t(%d%%)\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[%d]\t%d\n",
 565                                 i, st->rxerr_phy_code[i]);
 566         }
 567
 568         len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\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%d\t(%d%%)\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%d\t(%d%%)\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%d\t(%d%%)\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%d\t(%d%%)\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%d]\n",
 589                         st->rx_all_count);
 590         len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%d\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%d\t(%d%%)\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%d\t(%d%%)\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%d\t(%d%%)\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%d]\n",
 608                         st->tx_all_count);
 609         len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%d\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_softc *sc = file->private_data;
 623         struct ath5k_statistics *st = &sc->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 };
 653
 654
 655 /* debugfs: ani */
 656
 657 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 658                                    size_t count, loff_t *ppos)
 659 {
 660         struct ath5k_softc *sc = file->private_data;
 661         struct ath5k_statistics *st = &sc->stats;
 662         struct ath5k_ani_state *as = &sc->ani_state;
 663
 664         char buf[700];
 665         unsigned int len = 0;
 666
 667         len += snprintf(buf+len, sizeof(buf)-len,
 668                         "HW has PHY error counters:\t%s\n",
 669                         sc->ah->ah_capabilities.cap_has_phyerr_counters ?
 670                         "yes" : "no");
 671         len += snprintf(buf+len, sizeof(buf)-len,
 672                         "HW max spur immunity level:\t%d\n",
 673                         as->max_spur_level);
 674         len += snprintf(buf+len, sizeof(buf)-len,
 675                 "\nANI state\n--------------------------------------------\n");
 676         len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
 677         switch (as->ani_mode) {
 678         case ATH5K_ANI_MODE_OFF:
 679                 len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
 680                 break;
 681         case ATH5K_ANI_MODE_MANUAL_LOW:
 682                 len += snprintf(buf+len, sizeof(buf)-len,
 683                         "MANUAL LOW\n");
 684                 break;
 685         case ATH5K_ANI_MODE_MANUAL_HIGH:
 686                 len += snprintf(buf+len, sizeof(buf)-len,
 687                         "MANUAL HIGH\n");
 688                 break;
 689         case ATH5K_ANI_MODE_AUTO:
 690                 len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
 691                 break;
 692         default:
 693                 len += snprintf(buf+len, sizeof(buf)-len,
 694                         "??? (not good)\n");
 695                 break;
 696         }
 697         len += snprintf(buf+len, sizeof(buf)-len,
 698                         "noise immunity level:\t\t%d\n",
 699                         as->noise_imm_level);
 700         len += snprintf(buf+len, sizeof(buf)-len,
 701                         "spur immunity level:\t\t%d\n",
 702                         as->spur_level);
 703         len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
 704                         as->firstep_level);
 705         len += snprintf(buf+len, sizeof(buf)-len,
 706                         "OFDM weak signal detection:\t%s\n",
 707                         as->ofdm_weak_sig ? "on" : "off");
 708         len += snprintf(buf+len, sizeof(buf)-len,
 709                         "CCK weak signal detection:\t%s\n",
 710                         as->cck_weak_sig ? "on" : "off");
 711
 712         len += snprintf(buf+len, sizeof(buf)-len,
 713                         "\nMIB INTERRUPTS:\t\t%u\n",
 714                         st->mib_intr);
 715         len += snprintf(buf+len, sizeof(buf)-len,
 716                         "beacon RSSI average:\t%d\n",
 717                         sc->ah->ah_beacon_rssi_avg.avg);
 718
 719 #define CC_PRINT(_struct, _field) \
 720         _struct._field, \
 721         _struct.cycles > 0 ? \
 722         _struct._field*100/_struct.cycles : 0
 723
 724         len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
 725                         CC_PRINT(as->last_cc, tx_frame));
 726         len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
 727                         CC_PRINT(as->last_cc, rx_frame));
 728         len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
 729                         CC_PRINT(as->last_cc, rx_busy));
 730 #undef CC_PRINT
 731         len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
 732                         as->last_cc.cycles);
 733         len += snprintf(buf+len, sizeof(buf)-len,
 734                         "listen time\t\t%d\tlast: %d\n",
 735                         as->listen_time, as->last_listen);
 736         len += snprintf(buf+len, sizeof(buf)-len,
 737                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 738                         as->ofdm_errors, as->last_ofdm_errors,
 739                         as->sum_ofdm_errors);
 740         len += snprintf(buf+len, sizeof(buf)-len,
 741                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 742                         as->cck_errors, as->last_cck_errors,
 743                         as->sum_cck_errors);
 744         len += snprintf(buf+len, sizeof(buf)-len,
 745                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 746                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
 747                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 748                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
 749         len += snprintf(buf+len, sizeof(buf)-len,
 750                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 751                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
 752                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 753                         ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
 754
 755         if (len > sizeof(buf))
 756                 len = sizeof(buf);
 757
 758         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 759 }
 760
 761 static ssize_t write_file_ani(struct file *file,
 762                                  const char __user *userbuf,
 763                                  size_t count, loff_t *ppos)
 764 {
 765         struct ath5k_softc *sc = file->private_data;
 766         char buf[20];
 767
 768         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 769                 return -EFAULT;
 770
 771         if (strncmp(buf, "sens-low", 8) == 0) {
 772                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 773         } else if (strncmp(buf, "sens-high", 9) == 0) {
 774                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
 775         } else if (strncmp(buf, "ani-off", 7) == 0) {
 776                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
 777         } else if (strncmp(buf, "ani-on", 6) == 0) {
 778                 ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
 779         } else if (strncmp(buf, "noise-low", 9) == 0) {
 780                 ath5k_ani_set_noise_immunity_level(sc->ah, 0);
 781         } else if (strncmp(buf, "noise-high", 10) == 0) {
 782                 ath5k_ani_set_noise_immunity_level(sc->ah,
 783                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 784         } else if (strncmp(buf, "spur-low", 8) == 0) {
 785                 ath5k_ani_set_spur_immunity_level(sc->ah, 0);
 786         } else if (strncmp(buf, "spur-high", 9) == 0) {
 787                 ath5k_ani_set_spur_immunity_level(sc->ah,
 788                                                   sc->ani_state.max_spur_level);
 789         } else if (strncmp(buf, "fir-low", 7) == 0) {
 790                 ath5k_ani_set_firstep_level(sc->ah, 0);
 791         } else if (strncmp(buf, "fir-high", 8) == 0) {
 792                 ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 793         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 794                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
 795         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 796                 ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
 797         } else if (strncmp(buf, "cck-off", 7) == 0) {
 798                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
 799         } else if (strncmp(buf, "cck-on", 6) == 0) {
 800                 ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
 801         }
 802         return count;
 803 }
 804
 805 static const struct file_operations fops_ani = {
 806         .read = read_file_ani,
 807         .write = write_file_ani,
 808         .open = ath5k_debugfs_open,
 809         .owner = THIS_MODULE,
 810 };
 811
 812
 813 /* debugfs: queues etc */
 814
 815 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 816                                    size_t count, loff_t *ppos)
 817 {
 818         struct ath5k_softc *sc = file->private_data;
 819         char buf[700];
 820         unsigned int len = 0;
 821
 822         struct ath5k_txq *txq;
 823         struct ath5k_buf *bf, *bf0;
 824         int i, n;
 825
 826         len += snprintf(buf+len, sizeof(buf)-len,
 827                         "available txbuffers: %d\n", sc->txbuf_len);
 828
 829         for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
 830                 txq = &sc->txqs[i];
 831
 832                 len += snprintf(buf+len, sizeof(buf)-len,
 833                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 834
 835                 if (!txq->setup)
 836                         continue;
 837
 838                 n = 0;
 839                 spin_lock_bh(&txq->lock);
 840                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 841                         n++;
 842                 spin_unlock_bh(&txq->lock);
 843
 844                 len += snprintf(buf+len, sizeof(buf)-len,
 845                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 846                 len += snprintf(buf+len, sizeof(buf)-len,
 847                                 "  stuck: %d\n", txq->txq_stuck);
 848         }
 849
 850         if (len > sizeof(buf))
 851                 len = sizeof(buf);
 852
 853         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 854 }
 855
 856 static ssize_t write_file_queue(struct file *file,
 857                                  const char __user *userbuf,
 858                                  size_t count, loff_t *ppos)
 859 {
 860         struct ath5k_softc *sc = file->private_data;
 861         char buf[20];
 862
 863         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 864                 return -EFAULT;
 865
 866         if (strncmp(buf, "start", 5) == 0)
 867                 ieee80211_wake_queues(sc->hw);
 868         else if (strncmp(buf, "stop", 4) == 0)
 869                 ieee80211_stop_queues(sc->hw);
 870
 871         return count;
 872 }
 873
 874
 875 static const struct file_operations fops_queue = {
 876         .read = read_file_queue,
 877         .write = write_file_queue,
 878         .open = ath5k_debugfs_open,
 879         .owner = THIS_MODULE,
 880 };
 881
 882
 883 void
 884 ath5k_debug_init_device(struct ath5k_softc *sc)
 885 {
 886         sc->debug.level = ath5k_debug;
 887
 888         sc->debug.debugfs_phydir = debugfs_create_dir("ath5k",
 889                                 sc->hw->wiphy->debugfsdir);
 890
 891         sc->debug.debugfs_debug = debugfs_create_file("debug",
 892                                 S_IWUSR | S_IRUSR,
 893                                 sc->debug.debugfs_phydir, sc, &fops_debug);
 894
 895         sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUSR,
 896                                 sc->debug.debugfs_phydir, sc, &fops_registers);
 897
 898         sc->debug.debugfs_beacon = debugfs_create_file("beacon",
 899                                 S_IWUSR | S_IRUSR,
 900                                 sc->debug.debugfs_phydir, sc, &fops_beacon);
 901
 902         sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 903                                 sc->debug.debugfs_phydir, sc, &fops_reset);
 904
 905         sc->debug.debugfs_antenna = debugfs_create_file("antenna",
 906                                 S_IWUSR | S_IRUSR,
 907                                 sc->debug.debugfs_phydir, sc, &fops_antenna);
 908
 909         sc->debug.debugfs_misc = debugfs_create_file("misc",
 910                                 S_IRUSR,
 911                                 sc->debug.debugfs_phydir, sc, &fops_misc);
 912
 913         sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
 914                                 S_IWUSR | S_IRUSR,
 915                                 sc->debug.debugfs_phydir, sc,
 916                                 &fops_frameerrors);
 917
 918         sc->debug.debugfs_ani = debugfs_create_file("ani",
 919                                 S_IWUSR | S_IRUSR,
 920                                 sc->debug.debugfs_phydir, sc,
 921                                 &fops_ani);
 922
 923         sc->debug.debugfs_queue = debugfs_create_file("queue",
 924                                 S_IWUSR | S_IRUSR,
 925                                 sc->debug.debugfs_phydir, sc,
 926                                 &fops_queue);
 927 }
 928
 929 void
 930 ath5k_debug_finish_device(struct ath5k_softc *sc)
 931 {
 932         debugfs_remove(sc->debug.debugfs_debug);
 933         debugfs_remove(sc->debug.debugfs_registers);
 934         debugfs_remove(sc->debug.debugfs_beacon);
 935         debugfs_remove(sc->debug.debugfs_reset);
 936         debugfs_remove(sc->debug.debugfs_antenna);
 937         debugfs_remove(sc->debug.debugfs_misc);
 938         debugfs_remove(sc->debug.debugfs_frameerrors);
 939         debugfs_remove(sc->debug.debugfs_ani);
 940         debugfs_remove(sc->debug.debugfs_queue);
 941         debugfs_remove(sc->debug.debugfs_phydir);
 942 }
 943
 944
 945 /* functions used in other places */
 946
 947 void
 948 ath5k_debug_dump_bands(struct ath5k_softc *sc)
 949 {
 950         unsigned int b, i;
 951
 952         if (likely(!(sc->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 953                 return;
 954
 955         BUG_ON(!sc->sbands);
 956
 957         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 958                 struct ieee80211_supported_band *band = &sc->sbands[b];
 959                 char bname[6];
 960                 switch (band->band) {
 961                 case IEEE80211_BAND_2GHZ:
 962                         strcpy(bname, "2 GHz");
 963                         break;
 964                 case IEEE80211_BAND_5GHZ:
 965                         strcpy(bname, "5 GHz");
 966                         break;
 967                 default:
 968                         printk(KERN_DEBUG "Band not supported: %d\n",
 969                                 band->band);
 970                         return;
 971                 }
 972                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 973                                 band->n_channels, band->n_bitrates);
 974                 printk(KERN_DEBUG " channels:\n");
 975                 for (i = 0; i < band->n_channels; i++)
 976                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 977                                         ieee80211_frequency_to_channel(
 978                                                 band->channels[i].center_freq),
 979                                         band->channels[i].center_freq,
 980                                         band->channels[i].hw_value,
 981                                         band->channels[i].flags);
 982                 printk(KERN_DEBUG " rates:\n");
 983                 for (i = 0; i < band->n_bitrates; i++)
 984                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 985                                         band->bitrates[i].bitrate,
 986                                         band->bitrates[i].hw_value,
 987                                         band->bitrates[i].flags,
 988                                         band->bitrates[i].hw_value_short);
 989         }
 990 }
 991
 992 static inline void
 993 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 994                        struct ath5k_rx_status *rs)
 995 {
 996         struct ath5k_desc *ds = bf->desc;
 997         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 998
 999         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1000                 ds, (unsigned long long)bf->daddr,
1001                 ds->ds_link, ds->ds_data,
1002                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1003                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1004                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1005 }
1006
1007 void
1008 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
1009 {
1010         struct ath5k_desc *ds;
1011         struct ath5k_buf *bf;
1012         struct ath5k_rx_status rs = {};
1013         int status;
1014
1015         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1016                 return;
1017
1018         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1019                 ath5k_hw_get_rxdp(ah), sc->rxlink);
1020
1021         spin_lock_bh(&sc->rxbuflock);
1022         list_for_each_entry(bf, &sc->rxbuf, list) {
1023                 ds = bf->desc;
1024                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1025                 if (!status)
1026                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1027         }
1028         spin_unlock_bh(&sc->rxbuflock);
1029 }
1030
1031 void
1032 ath5k_debug_dump_skb(struct ath5k_softc *sc,
1033                         struct sk_buff *skb, const char *prefix, int tx)
1034 {
1035         char buf[16];
1036
1037         if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) ||
1038                      (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX)))))
1039                 return;
1040
1041         snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix);
1042
1043         print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data,
1044                 min(200U, skb->len));
1045
1046         printk(KERN_DEBUG "\n");
1047 }
1048
1049 void
1050 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
1051 {
1052         struct ath5k_desc *ds = bf->desc;
1053         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1054         struct ath5k_tx_status ts = {};
1055         int done;
1056
1057         if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
1058                 return;
1059
1060         done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);
1061
1062         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1063                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1064                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1065                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1066                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1067                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1068 }
1069
1070 #endif /* ifdef CONFIG_ATH5K_DEBUG */