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

   1 /*
   2  * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
   3  *
   4  *  This file is free software: you may copy, redistribute and/or modify it
   5  *  under the terms of the GNU General Public License as published by the
   6  *  Free Software Foundation, either version 2 of the License, or (at your
   7  *  option) any later version.
   8  *
   9  *  This file is distributed in the hope that it will be useful, but
  10  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  *
  18  * This file incorporates work covered by the following copyright and
  19  * permission notice:
  20  *
  21  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  22  * Copyright (c) 2004-2005 Atheros Communications, Inc.
  23  * Copyright (c) 2006 Devicescape Software, Inc.
  24  * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
  25  * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
  26  *
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer,
  34  *    without modification.
  35  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  36  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  37  *    redistribution must be conditioned upon including a substantially
  38  *    similar Disclaimer requirement for further binary redistribution.
  39  * 3. Neither the names of the above-listed copyright holders nor the names
  40  *    of any contributors may be used to endorse or promote products derived
  41  *    from this software without specific prior written permission.
  42  *
  43  * Alternatively, this software may be distributed under the terms of the
  44  * GNU General Public License ("GPL") version 2 as published by the Free
  45  * Software Foundation.
  46  *
  47  * NO WARRANTY
  48  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  49  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  50  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  51  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  52  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  53  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  54  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  55  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  56  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  57  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  58  * THE POSSIBILITY OF SUCH DAMAGES.
  59  */
  60
  61 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  62
  63 #include <linux/export.h>
  64 #include <linux/moduleparam.h>
  65
  66 #include <linux/seq_file.h>
  67 #include <linux/list.h>
  68 #include "debug.h"
  69 #include "ath5k.h"
  70 #include "reg.h"
  71 #include "base.h"
  72
  73 static unsigned int ath5k_debug;
  74 module_param_named(debug, ath5k_debug, uint, 0);
  75
  76
  77 /* debugfs: registers */
  78
  79 struct reg {
  80         const char *name;
  81         int addr;
  82 };
  83
  84 #define REG_STRUCT_INIT(r) { #r, r }
  85
  86 /* just a few random registers, might want to add more */
  87 static const struct reg regs[] = {
  88         REG_STRUCT_INIT(AR5K_CR),
  89         REG_STRUCT_INIT(AR5K_RXDP),
  90         REG_STRUCT_INIT(AR5K_CFG),
  91         REG_STRUCT_INIT(AR5K_IER),
  92         REG_STRUCT_INIT(AR5K_BCR),
  93         REG_STRUCT_INIT(AR5K_RTSD0),
  94         REG_STRUCT_INIT(AR5K_RTSD1),
  95         REG_STRUCT_INIT(AR5K_TXCFG),
  96         REG_STRUCT_INIT(AR5K_RXCFG),
  97         REG_STRUCT_INIT(AR5K_RXJLA),
  98         REG_STRUCT_INIT(AR5K_MIBC),
  99         REG_STRUCT_INIT(AR5K_TOPS),
 100         REG_STRUCT_INIT(AR5K_RXNOFRM),
 101         REG_STRUCT_INIT(AR5K_TXNOFRM),
 102         REG_STRUCT_INIT(AR5K_RPGTO),
 103         REG_STRUCT_INIT(AR5K_RFCNT),
 104         REG_STRUCT_INIT(AR5K_MISC),
 105         REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 106         REG_STRUCT_INIT(AR5K_ISR),
 107         REG_STRUCT_INIT(AR5K_PISR),
 108         REG_STRUCT_INIT(AR5K_SISR0),
 109         REG_STRUCT_INIT(AR5K_SISR1),
 110         REG_STRUCT_INIT(AR5K_SISR2),
 111         REG_STRUCT_INIT(AR5K_SISR3),
 112         REG_STRUCT_INIT(AR5K_SISR4),
 113         REG_STRUCT_INIT(AR5K_IMR),
 114         REG_STRUCT_INIT(AR5K_PIMR),
 115         REG_STRUCT_INIT(AR5K_SIMR0),
 116         REG_STRUCT_INIT(AR5K_SIMR1),
 117         REG_STRUCT_INIT(AR5K_SIMR2),
 118         REG_STRUCT_INIT(AR5K_SIMR3),
 119         REG_STRUCT_INIT(AR5K_SIMR4),
 120         REG_STRUCT_INIT(AR5K_DCM_ADDR),
 121         REG_STRUCT_INIT(AR5K_DCCFG),
 122         REG_STRUCT_INIT(AR5K_CCFG),
 123         REG_STRUCT_INIT(AR5K_CPC0),
 124         REG_STRUCT_INIT(AR5K_CPC1),
 125         REG_STRUCT_INIT(AR5K_CPC2),
 126         REG_STRUCT_INIT(AR5K_CPC3),
 127         REG_STRUCT_INIT(AR5K_CPCOVF),
 128         REG_STRUCT_INIT(AR5K_RESET_CTL),
 129         REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 130         REG_STRUCT_INIT(AR5K_INTPEND),
 131         REG_STRUCT_INIT(AR5K_SFR),
 132         REG_STRUCT_INIT(AR5K_PCICFG),
 133         REG_STRUCT_INIT(AR5K_GPIOCR),
 134         REG_STRUCT_INIT(AR5K_GPIODO),
 135         REG_STRUCT_INIT(AR5K_SREV),
 136 };
 137
 138 static void *reg_start(struct seq_file *seq, loff_t *pos)
 139 {
 140         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 141 }
 142
 143 static void reg_stop(struct seq_file *seq, void *p)
 144 {
 145         /* nothing to do */
 146 }
 147
 148 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 149 {
 150         ++*pos;
 151         return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 152 }
 153
 154 static int reg_show(struct seq_file *seq, void *p)
 155 {
 156         struct ath5k_hw *ah = seq->private;
 157         struct reg *r = p;
 158         seq_printf(seq, "%-25s0x%08x\n", r->name,
 159                 ath5k_hw_reg_read(ah, r->addr));
 160         return 0;
 161 }
 162
 163 static const struct seq_operations register_seq_ops = {
 164         .start = reg_start,
 165         .next  = reg_next,
 166         .stop  = reg_stop,
 167         .show  = reg_show
 168 };
 169
 170 static int open_file_registers(struct inode *inode, struct file *file)
 171 {
 172         struct seq_file *s;
 173         int res;
 174         res = seq_open(file, &register_seq_ops);
 175         if (res == 0) {
 176                 s = file->private_data;
 177                 s->private = inode->i_private;
 178         }
 179         return res;
 180 }
 181
 182 static const struct file_operations fops_registers = {
 183         .open = open_file_registers,
 184         .read    = seq_read,
 185         .llseek  = seq_lseek,
 186         .release = seq_release,
 187         .owner = THIS_MODULE,
 188 };
 189
 190
 191 /* debugfs: beacons */
 192
 193 static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 194                                    size_t count, loff_t *ppos)
 195 {
 196         struct ath5k_hw *ah = file->private_data;
 197         char buf[500];
 198         unsigned int len = 0;
 199         unsigned int v;
 200         u64 tsf;
 201
 202         v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 203         len += snprintf(buf + len, sizeof(buf) - len,
 204                 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 205                 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 206                 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 207
 208         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 209                 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 210
 211         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 212                 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 213
 214         v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 215         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 216                 "AR5K_TIMER0 (TBTT)", v, v);
 217
 218         v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 219         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 220                 "AR5K_TIMER1 (DMA)", v, v >> 3);
 221
 222         v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 223         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 224                 "AR5K_TIMER2 (SWBA)", v, v >> 3);
 225
 226         v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 227         len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 228                 "AR5K_TIMER3 (ATIM)", v, v);
 229
 230         tsf = ath5k_hw_get_tsf64(ah);
 231         len += snprintf(buf + len, sizeof(buf) - len,
 232                 "TSF\t\t0x%016llx\tTU: %08x\n",
 233                 (unsigned long long)tsf, TSF_TO_TU(tsf));
 234
 235         if (len > sizeof(buf))
 236                 len = sizeof(buf);
 237
 238         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 239 }
 240
 241 static ssize_t write_file_beacon(struct file *file,
 242                                  const char __user *userbuf,
 243                                  size_t count, loff_t *ppos)
 244 {
 245         struct ath5k_hw *ah = file->private_data;
 246         char buf[20];
 247
 248         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 249                 return -EFAULT;
 250
 251         if (strncmp(buf, "disable", 7) == 0) {
 252                 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 253                 pr_info("debugfs disable beacons\n");
 254         } else if (strncmp(buf, "enable", 6) == 0) {
 255                 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 256                 pr_info("debugfs enable beacons\n");
 257         }
 258         return count;
 259 }
 260
 261 static const struct file_operations fops_beacon = {
 262         .read = read_file_beacon,
 263         .write = write_file_beacon,
 264         .open = simple_open,
 265         .owner = THIS_MODULE,
 266         .llseek = default_llseek,
 267 };
 268
 269
 270 /* debugfs: reset */
 271
 272 static ssize_t write_file_reset(struct file *file,
 273                                  const char __user *userbuf,
 274                                  size_t count, loff_t *ppos)
 275 {
 276         struct ath5k_hw *ah = file->private_data;
 277         ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 278         ieee80211_queue_work(ah->hw, &ah->reset_work);
 279         return count;
 280 }
 281
 282 static const struct file_operations fops_reset = {
 283         .write = write_file_reset,
 284         .open = simple_open,
 285         .owner = THIS_MODULE,
 286         .llseek = noop_llseek,
 287 };
 288
 289
 290 /* debugfs: debug level */
 291
 292 static const struct {
 293         enum ath5k_debug_level level;
 294         const char *name;
 295         const char *desc;
 296 } dbg_info[] = {
 297         { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 298         { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 299         { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 300         { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 301         { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 302         { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 303         { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 304         { ATH5K_DEBUG_LED,      "led",          "LED management" },
 305         { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 306         { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 307         { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 308         { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 309         { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 310 };
 311
 312 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 313                                    size_t count, loff_t *ppos)
 314 {
 315         struct ath5k_hw *ah = file->private_data;
 316         char buf[700];
 317         unsigned int len = 0;
 318         unsigned int i;
 319
 320         len += snprintf(buf + len, sizeof(buf) - len,
 321                 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 322
 323         for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 324                 len += snprintf(buf + len, sizeof(buf) - len,
 325                         "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 326                         ah->debug.level & dbg_info[i].level ? '+' : ' ',
 327                         dbg_info[i].level, dbg_info[i].desc);
 328         }
 329         len += snprintf(buf + len, sizeof(buf) - len,
 330                 "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 331                 ah->debug.level == dbg_info[i].level ? '+' : ' ',
 332                 dbg_info[i].level, dbg_info[i].desc);
 333
 334         if (len > sizeof(buf))
 335                 len = sizeof(buf);
 336
 337         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 338 }
 339
 340 static ssize_t write_file_debug(struct file *file,
 341                                  const char __user *userbuf,
 342                                  size_t count, loff_t *ppos)
 343 {
 344         struct ath5k_hw *ah = file->private_data;
 345         unsigned int i;
 346         char buf[20];
 347
 348         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 349                 return -EFAULT;
 350
 351         for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 352                 if (strncmp(buf, dbg_info[i].name,
 353                                         strlen(dbg_info[i].name)) == 0) {
 354                         ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 355                         break;
 356                 }
 357         }
 358         return count;
 359 }
 360
 361 static const struct file_operations fops_debug = {
 362         .read = read_file_debug,
 363         .write = write_file_debug,
 364         .open = simple_open,
 365         .owner = THIS_MODULE,
 366         .llseek = default_llseek,
 367 };
 368
 369
 370 /* debugfs: antenna */
 371
 372 static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 373                                    size_t count, loff_t *ppos)
 374 {
 375         struct ath5k_hw *ah = file->private_data;
 376         char buf[700];
 377         unsigned int len = 0;
 378         unsigned int i;
 379         unsigned int v;
 380
 381         len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
 382                 ah->ah_ant_mode);
 383         len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 384                 ah->ah_def_ant);
 385         len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 386                 ah->ah_tx_ant);
 387
 388         len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
 389         for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 390                 len += snprintf(buf + len, sizeof(buf) - len,
 391                         "[antenna %d]\t%d\t%d\n",
 392                         i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 393         }
 394         len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 395                         ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 396
 397         v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
 398         len += snprintf(buf + len, sizeof(buf) - len,
 399                         "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
 400
 401         v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
 402         len += snprintf(buf + len, sizeof(buf) - len,
 403                 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
 404                 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
 405         len += snprintf(buf + len, sizeof(buf) - len,
 406                 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
 407                 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
 408         len += snprintf(buf + len, sizeof(buf) - len,
 409                 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
 410                 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
 411         len += snprintf(buf + len, sizeof(buf) - len,
 412                 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
 413                 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
 414
 415         v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
 416         len += snprintf(buf + len, sizeof(buf) - len,
 417                 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
 418                 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
 419
 420         v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
 421         len += snprintf(buf + len, sizeof(buf) - len,
 422                 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
 423                 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
 424
 425         v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
 426         len += snprintf(buf + len, sizeof(buf) - len,
 427                 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
 428                 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
 429
 430         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
 431         len += snprintf(buf + len, sizeof(buf) - len,
 432                         "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
 433         v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
 434         len += snprintf(buf + len, sizeof(buf) - len,
 435                         "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
 436
 437         if (len > sizeof(buf))
 438                 len = sizeof(buf);
 439
 440         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 441 }
 442
 443 static ssize_t write_file_antenna(struct file *file,
 444                                  const char __user *userbuf,
 445                                  size_t count, loff_t *ppos)
 446 {
 447         struct ath5k_hw *ah = file->private_data;
 448         unsigned int i;
 449         char buf[20];
 450
 451         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 452                 return -EFAULT;
 453
 454         if (strncmp(buf, "diversity", 9) == 0) {
 455                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 456                 pr_info("debug: enable diversity\n");
 457         } else if (strncmp(buf, "fixed-a", 7) == 0) {
 458                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 459                 pr_info("debug: fixed antenna A\n");
 460         } else if (strncmp(buf, "fixed-b", 7) == 0) {
 461                 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 462                 pr_info("debug: fixed antenna B\n");
 463         } else if (strncmp(buf, "clear", 5) == 0) {
 464                 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 465                         ah->stats.antenna_rx[i] = 0;
 466                         ah->stats.antenna_tx[i] = 0;
 467                 }
 468                 pr_info("debug: cleared antenna stats\n");
 469         }
 470         return count;
 471 }
 472
 473 static const struct file_operations fops_antenna = {
 474         .read = read_file_antenna,
 475         .write = write_file_antenna,
 476         .open = simple_open,
 477         .owner = THIS_MODULE,
 478         .llseek = default_llseek,
 479 };
 480
 481 /* debugfs: misc */
 482
 483 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 484                                    size_t count, loff_t *ppos)
 485 {
 486         struct ath5k_hw *ah = file->private_data;
 487         char buf[700];
 488         unsigned int len = 0;
 489         u32 filt = ath5k_hw_get_rx_filter(ah);
 490
 491         len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 492                         ah->bssidmask);
 493         len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 494                         filt);
 495         if (filt & AR5K_RX_FILTER_UCAST)
 496                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 497         if (filt & AR5K_RX_FILTER_MCAST)
 498                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 499         if (filt & AR5K_RX_FILTER_BCAST)
 500                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 501         if (filt & AR5K_RX_FILTER_CONTROL)
 502                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 503         if (filt & AR5K_RX_FILTER_BEACON)
 504                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 505         if (filt & AR5K_RX_FILTER_PROM)
 506                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 507         if (filt & AR5K_RX_FILTER_XRPOLL)
 508                 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 509         if (filt & AR5K_RX_FILTER_PROBEREQ)
 510                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 511         if (filt & AR5K_RX_FILTER_PHYERR_5212)
 512                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 513         if (filt & AR5K_RX_FILTER_RADARERR_5212)
 514                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 515         if (filt & AR5K_RX_FILTER_PHYERR_5211)
 516                 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 517         if (filt & AR5K_RX_FILTER_RADARERR_5211)
 518                 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 519
 520         len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 521                         ath_opmode_to_string(ah->opmode), ah->opmode);
 522
 523         if (len > sizeof(buf))
 524                 len = sizeof(buf);
 525
 526         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 527 }
 528
 529 static const struct file_operations fops_misc = {
 530         .read = read_file_misc,
 531         .open = simple_open,
 532         .owner = THIS_MODULE,
 533 };
 534
 535
 536 /* debugfs: frameerrors */
 537
 538 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 539                                    size_t count, loff_t *ppos)
 540 {
 541         struct ath5k_hw *ah = file->private_data;
 542         struct ath5k_statistics *st = &ah->stats;
 543         char buf[700];
 544         unsigned int len = 0;
 545         int i;
 546
 547         len += snprintf(buf + len, sizeof(buf) - len,
 548                         "RX\n---------------------\n");
 549         len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 550                         st->rxerr_crc,
 551                         st->rx_all_count > 0 ?
 552                                 st->rxerr_crc * 100 / st->rx_all_count : 0);
 553         len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 554                         st->rxerr_phy,
 555                         st->rx_all_count > 0 ?
 556                                 st->rxerr_phy * 100 / st->rx_all_count : 0);
 557         for (i = 0; i < 32; i++) {
 558                 if (st->rxerr_phy_code[i])
 559                         len += snprintf(buf + len, sizeof(buf) - len,
 560                                 " phy_err[%u]\t%u\n",
 561                                 i, st->rxerr_phy_code[i]);
 562         }
 563
 564         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 565                         st->rxerr_fifo,
 566                         st->rx_all_count > 0 ?
 567                                 st->rxerr_fifo * 100 / st->rx_all_count : 0);
 568         len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 569                         st->rxerr_decrypt,
 570                         st->rx_all_count > 0 ?
 571                                 st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 572         len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 573                         st->rxerr_mic,
 574                         st->rx_all_count > 0 ?
 575                                 st->rxerr_mic * 100 / st->rx_all_count : 0);
 576         len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 577                         st->rxerr_proc,
 578                         st->rx_all_count > 0 ?
 579                                 st->rxerr_proc * 100 / st->rx_all_count : 0);
 580         len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 581                         st->rxerr_jumbo,
 582                         st->rx_all_count > 0 ?
 583                                 st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 584         len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 585                         st->rx_all_count);
 586         len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 587                         st->rx_bytes_count);
 588
 589         len += snprintf(buf + len, sizeof(buf) - len,
 590                         "\nTX\n---------------------\n");
 591         len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 592                         st->txerr_retry,
 593                         st->tx_all_count > 0 ?
 594                                 st->txerr_retry * 100 / st->tx_all_count : 0);
 595         len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 596                         st->txerr_fifo,
 597                         st->tx_all_count > 0 ?
 598                                 st->txerr_fifo * 100 / st->tx_all_count : 0);
 599         len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 600                         st->txerr_filt,
 601                         st->tx_all_count > 0 ?
 602                                 st->txerr_filt * 100 / st->tx_all_count : 0);
 603         len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 604                         st->tx_all_count);
 605         len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 606                         st->tx_bytes_count);
 607
 608         if (len > sizeof(buf))
 609                 len = sizeof(buf);
 610
 611         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 612 }
 613
 614 static ssize_t write_file_frameerrors(struct file *file,
 615                                  const char __user *userbuf,
 616                                  size_t count, loff_t *ppos)
 617 {
 618         struct ath5k_hw *ah = file->private_data;
 619         struct ath5k_statistics *st = &ah->stats;
 620         char buf[20];
 621
 622         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 623                 return -EFAULT;
 624
 625         if (strncmp(buf, "clear", 5) == 0) {
 626                 st->rxerr_crc = 0;
 627                 st->rxerr_phy = 0;
 628                 st->rxerr_fifo = 0;
 629                 st->rxerr_decrypt = 0;
 630                 st->rxerr_mic = 0;
 631                 st->rxerr_proc = 0;
 632                 st->rxerr_jumbo = 0;
 633                 st->rx_all_count = 0;
 634                 st->txerr_retry = 0;
 635                 st->txerr_fifo = 0;
 636                 st->txerr_filt = 0;
 637                 st->tx_all_count = 0;
 638                 pr_info("debug: cleared frameerrors stats\n");
 639         }
 640         return count;
 641 }
 642
 643 static const struct file_operations fops_frameerrors = {
 644         .read = read_file_frameerrors,
 645         .write = write_file_frameerrors,
 646         .open = simple_open,
 647         .owner = THIS_MODULE,
 648         .llseek = default_llseek,
 649 };
 650
 651
 652 /* debugfs: ani */
 653
 654 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 655                                    size_t count, loff_t *ppos)
 656 {
 657         struct ath5k_hw *ah = file->private_data;
 658         struct ath5k_statistics *st = &ah->stats;
 659         struct ath5k_ani_state *as = &ah->ani_state;
 660
 661         char buf[700];
 662         unsigned int len = 0;
 663
 664         len += snprintf(buf + len, sizeof(buf) - len,
 665                         "HW has PHY error counters:\t%s\n",
 666                         ah->ah_capabilities.cap_has_phyerr_counters ?
 667                         "yes" : "no");
 668         len += snprintf(buf + len, sizeof(buf) - len,
 669                         "HW max spur immunity level:\t%d\n",
 670                         as->max_spur_level);
 671         len += snprintf(buf + len, sizeof(buf) - len,
 672                 "\nANI state\n--------------------------------------------\n");
 673         len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 674         switch (as->ani_mode) {
 675         case ATH5K_ANI_MODE_OFF:
 676                 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 677                 break;
 678         case ATH5K_ANI_MODE_MANUAL_LOW:
 679                 len += snprintf(buf + len, sizeof(buf) - len,
 680                         "MANUAL LOW\n");
 681                 break;
 682         case ATH5K_ANI_MODE_MANUAL_HIGH:
 683                 len += snprintf(buf + len, sizeof(buf) - len,
 684                         "MANUAL HIGH\n");
 685                 break;
 686         case ATH5K_ANI_MODE_AUTO:
 687                 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 688                 break;
 689         default:
 690                 len += snprintf(buf + len, sizeof(buf) - len,
 691                         "??? (not good)\n");
 692                 break;
 693         }
 694         len += snprintf(buf + len, sizeof(buf) - len,
 695                         "noise immunity level:\t\t%d\n",
 696                         as->noise_imm_level);
 697         len += snprintf(buf + len, sizeof(buf) - len,
 698                         "spur immunity level:\t\t%d\n",
 699                         as->spur_level);
 700         len += snprintf(buf + len, sizeof(buf) - len,
 701                         "firstep level:\t\t\t%d\n",
 702                         as->firstep_level);
 703         len += snprintf(buf + len, sizeof(buf) - len,
 704                         "OFDM weak signal detection:\t%s\n",
 705                         as->ofdm_weak_sig ? "on" : "off");
 706         len += snprintf(buf + len, sizeof(buf) - len,
 707                         "CCK weak signal detection:\t%s\n",
 708                         as->cck_weak_sig ? "on" : "off");
 709
 710         len += snprintf(buf + len, sizeof(buf) - len,
 711                         "\nMIB INTERRUPTS:\t\t%u\n",
 712                         st->mib_intr);
 713         len += snprintf(buf + len, sizeof(buf) - len,
 714                         "beacon RSSI average:\t%d\n",
 715                         (int)ewma_read(&ah->ah_beacon_rssi_avg));
 716
 717 #define CC_PRINT(_struct, _field) \
 718         _struct._field, \
 719         _struct.cycles > 0 ? \
 720         _struct._field * 100 / _struct.cycles : 0
 721
 722         len += snprintf(buf + len, sizeof(buf) - len,
 723                         "profcnt tx\t\t%u\t(%d%%)\n",
 724                         CC_PRINT(as->last_cc, tx_frame));
 725         len += snprintf(buf + len, sizeof(buf) - len,
 726                         "profcnt rx\t\t%u\t(%d%%)\n",
 727                         CC_PRINT(as->last_cc, rx_frame));
 728         len += snprintf(buf + len, sizeof(buf) - len,
 729                         "profcnt busy\t\t%u\t(%d%%)\n",
 730                         CC_PRINT(as->last_cc, rx_busy));
 731 #undef CC_PRINT
 732         len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 733                         as->last_cc.cycles);
 734         len += snprintf(buf + len, sizeof(buf) - len,
 735                         "listen time\t\t%d\tlast: %d\n",
 736                         as->listen_time, as->last_listen);
 737         len += snprintf(buf + len, sizeof(buf) - len,
 738                         "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 739                         as->ofdm_errors, as->last_ofdm_errors,
 740                         as->sum_ofdm_errors);
 741         len += snprintf(buf + len, sizeof(buf) - len,
 742                         "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 743                         as->cck_errors, as->last_cck_errors,
 744                         as->sum_cck_errors);
 745         len += snprintf(buf + len, sizeof(buf) - len,
 746                         "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 747                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 748                         ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 749                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 750         len += snprintf(buf + len, sizeof(buf) - len,
 751                         "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 752                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 753                         ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 754                         ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 755
 756         if (len > sizeof(buf))
 757                 len = sizeof(buf);
 758
 759         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 760 }
 761
 762 static ssize_t write_file_ani(struct file *file,
 763                                  const char __user *userbuf,
 764                                  size_t count, loff_t *ppos)
 765 {
 766         struct ath5k_hw *ah = file->private_data;
 767         char buf[20];
 768
 769         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 770                 return -EFAULT;
 771
 772         if (strncmp(buf, "sens-low", 8) == 0) {
 773                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 774         } else if (strncmp(buf, "sens-high", 9) == 0) {
 775                 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 776         } else if (strncmp(buf, "ani-off", 7) == 0) {
 777                 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 778         } else if (strncmp(buf, "ani-on", 6) == 0) {
 779                 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 780         } else if (strncmp(buf, "noise-low", 9) == 0) {
 781                 ath5k_ani_set_noise_immunity_level(ah, 0);
 782         } else if (strncmp(buf, "noise-high", 10) == 0) {
 783                 ath5k_ani_set_noise_immunity_level(ah,
 784                                                    ATH5K_ANI_MAX_NOISE_IMM_LVL);
 785         } else if (strncmp(buf, "spur-low", 8) == 0) {
 786                 ath5k_ani_set_spur_immunity_level(ah, 0);
 787         } else if (strncmp(buf, "spur-high", 9) == 0) {
 788                 ath5k_ani_set_spur_immunity_level(ah,
 789                                                   ah->ani_state.max_spur_level);
 790         } else if (strncmp(buf, "fir-low", 7) == 0) {
 791                 ath5k_ani_set_firstep_level(ah, 0);
 792         } else if (strncmp(buf, "fir-high", 8) == 0) {
 793                 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 794         } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 795                 ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 796         } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 797                 ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 798         } else if (strncmp(buf, "cck-off", 7) == 0) {
 799                 ath5k_ani_set_cck_weak_signal_detection(ah, false);
 800         } else if (strncmp(buf, "cck-on", 6) == 0) {
 801                 ath5k_ani_set_cck_weak_signal_detection(ah, true);
 802         }
 803         return count;
 804 }
 805
 806 static const struct file_operations fops_ani = {
 807         .read = read_file_ani,
 808         .write = write_file_ani,
 809         .open = simple_open,
 810         .owner = THIS_MODULE,
 811         .llseek = default_llseek,
 812 };
 813
 814
 815 /* debugfs: queues etc */
 816
 817 static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 818                                    size_t count, loff_t *ppos)
 819 {
 820         struct ath5k_hw *ah = file->private_data;
 821         char buf[700];
 822         unsigned int len = 0;
 823
 824         struct ath5k_txq *txq;
 825         struct ath5k_buf *bf, *bf0;
 826         int i, n;
 827
 828         len += snprintf(buf + len, sizeof(buf) - len,
 829                         "available txbuffers: %d\n", ah->txbuf_len);
 830
 831         for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 832                 txq = &ah->txqs[i];
 833
 834                 len += snprintf(buf + len, sizeof(buf) - len,
 835                         "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 836
 837                 if (!txq->setup)
 838                         continue;
 839
 840                 n = 0;
 841                 spin_lock_bh(&txq->lock);
 842                 list_for_each_entry_safe(bf, bf0, &txq->q, list)
 843                         n++;
 844                 spin_unlock_bh(&txq->lock);
 845
 846                 len += snprintf(buf + len, sizeof(buf) - len,
 847                                 "  len: %d bufs: %d\n", txq->txq_len, n);
 848                 len += snprintf(buf + len, sizeof(buf) - len,
 849                                 "  stuck: %d\n", txq->txq_stuck);
 850         }
 851
 852         if (len > sizeof(buf))
 853                 len = sizeof(buf);
 854
 855         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 856 }
 857
 858 static ssize_t write_file_queue(struct file *file,
 859                                  const char __user *userbuf,
 860                                  size_t count, loff_t *ppos)
 861 {
 862         struct ath5k_hw *ah = file->private_data;
 863         char buf[20];
 864
 865         if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
 866                 return -EFAULT;
 867
 868         if (strncmp(buf, "start", 5) == 0)
 869                 ieee80211_wake_queues(ah->hw);
 870         else if (strncmp(buf, "stop", 4) == 0)
 871                 ieee80211_stop_queues(ah->hw);
 872
 873         return count;
 874 }
 875
 876
 877 static const struct file_operations fops_queue = {
 878         .read = read_file_queue,
 879         .write = write_file_queue,
 880         .open = simple_open,
 881         .owner = THIS_MODULE,
 882         .llseek = default_llseek,
 883 };
 884
 885
 886 void
 887 ath5k_debug_init_device(struct ath5k_hw *ah)
 888 {
 889         struct dentry *phydir;
 890
 891         ah->debug.level = ath5k_debug;
 892
 893         phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
 894         if (!phydir)
 895                 return;
 896
 897         debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
 898                             &fops_debug);
 899
 900         debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
 901
 902         debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
 903                             &fops_beacon);
 904
 905         debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
 906
 907         debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
 908                             &fops_antenna);
 909
 910         debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
 911
 912         debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
 913                             &fops_frameerrors);
 914
 915         debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
 916
 917         debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
 918                             &fops_queue);
 919
 920         debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir,
 921                             &ah->ah_use_32khz_clock);
 922 }
 923
 924 /* functions used in other places */
 925
 926 void
 927 ath5k_debug_dump_bands(struct ath5k_hw *ah)
 928 {
 929         unsigned int b, i;
 930
 931         if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
 932                 return;
 933
 934         BUG_ON(!ah->sbands);
 935
 936         for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
 937                 struct ieee80211_supported_band *band = &ah->sbands[b];
 938                 char bname[6];
 939                 switch (band->band) {
 940                 case IEEE80211_BAND_2GHZ:
 941                         strcpy(bname, "2 GHz");
 942                         break;
 943                 case IEEE80211_BAND_5GHZ:
 944                         strcpy(bname, "5 GHz");
 945                         break;
 946                 default:
 947                         printk(KERN_DEBUG "Band not supported: %d\n",
 948                                 band->band);
 949                         return;
 950                 }
 951                 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
 952                                 band->n_channels, band->n_bitrates);
 953                 printk(KERN_DEBUG " channels:\n");
 954                 for (i = 0; i < band->n_channels; i++)
 955                         printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
 956                                         ieee80211_frequency_to_channel(
 957                                                 band->channels[i].center_freq),
 958                                         band->channels[i].center_freq,
 959                                         band->channels[i].hw_value,
 960                                         band->channels[i].flags);
 961                 printk(KERN_DEBUG " rates:\n");
 962                 for (i = 0; i < band->n_bitrates; i++)
 963                         printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
 964                                         band->bitrates[i].bitrate,
 965                                         band->bitrates[i].hw_value,
 966                                         band->bitrates[i].flags,
 967                                         band->bitrates[i].hw_value_short);
 968         }
 969 }
 970
 971 static inline void
 972 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
 973                        struct ath5k_rx_status *rs)
 974 {
 975         struct ath5k_desc *ds = bf->desc;
 976         struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
 977
 978         printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
 979                 ds, (unsigned long long)bf->daddr,
 980                 ds->ds_link, ds->ds_data,
 981                 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
 982                 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
 983                 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
 984 }
 985
 986 void
 987 ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
 988 {
 989         struct ath5k_desc *ds;
 990         struct ath5k_buf *bf;
 991         struct ath5k_rx_status rs = {};
 992         int status;
 993
 994         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
 995                 return;
 996
 997         printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
 998                 ath5k_hw_get_rxdp(ah), ah->rxlink);
 999
1000         spin_lock_bh(&ah->rxbuflock);
1001         list_for_each_entry(bf, &ah->rxbuf, list) {
1002                 ds = bf->desc;
1003                 status = ah->ah_proc_rx_desc(ah, ds, &rs);
1004                 if (!status)
1005                         ath5k_debug_printrxbuf(bf, status == 0, &rs);
1006         }
1007         spin_unlock_bh(&ah->rxbuflock);
1008 }
1009
1010 void
1011 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1012 {
1013         struct ath5k_desc *ds = bf->desc;
1014         struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1015         struct ath5k_tx_status ts = {};
1016         int done;
1017
1018         if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1019                 return;
1020
1021         done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1022
1023         printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1024                 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1025                 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1026                 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1027                 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1028                 done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1029 }