linux/drivers/net/wireless/ath/ath5k/debug.c
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   1/*
   2 * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
   3 *
   4 *  This file is free software: you may copy, redistribute and/or modify it
   5 *  under the terms of the GNU General Public License as published by the
   6 *  Free Software Foundation, either version 2 of the License, or (at your
   7 *  option) any later version.
   8 *
   9 *  This file is distributed in the hope that it will be useful, but
  10 *  WITHOUT ANY WARRANTY; without even the implied warranty of
  11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 *  General Public License for more details.
  13 *
  14 *  You should have received a copy of the GNU General Public License
  15 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 *
  17 *
  18 * This file incorporates work covered by the following copyright and
  19 * permission notice:
  20 *
  21 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  22 * Copyright (c) 2004-2005 Atheros Communications, Inc.
  23 * Copyright (c) 2006 Devicescape Software, Inc.
  24 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
  25 * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
  26 *
  27 * All rights reserved.
  28 *
  29 * Redistribution and use in source and binary forms, with or without
  30 * modification, are permitted provided that the following conditions
  31 * are met:
  32 * 1. Redistributions of source code must retain the above copyright
  33 *    notice, this list of conditions and the following disclaimer,
  34 *    without modification.
  35 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  36 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  37 *    redistribution must be conditioned upon including a substantially
  38 *    similar Disclaimer requirement for further binary redistribution.
  39 * 3. Neither the names of the above-listed copyright holders nor the names
  40 *    of any contributors may be used to endorse or promote products derived
  41 *    from this software without specific prior written permission.
  42 *
  43 * Alternatively, this software may be distributed under the terms of the
  44 * GNU General Public License ("GPL") version 2 as published by the Free
  45 * Software Foundation.
  46 *
  47 * NO WARRANTY
  48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  49 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  50 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  51 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  52 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  53 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  56 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  58 * THE POSSIBILITY OF SUCH DAMAGES.
  59 */
  60
  61#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  62
  63#include <linux/export.h>
  64#include <linux/moduleparam.h>
  65#include <linux/vmalloc.h>
  66
  67#include <linux/seq_file.h>
  68#include <linux/list.h>
  69#include "debug.h"
  70#include "ath5k.h"
  71#include "reg.h"
  72#include "base.h"
  73
  74static unsigned int ath5k_debug;
  75module_param_named(debug, ath5k_debug, uint, 0);
  76
  77
  78/* debugfs: registers */
  79
  80struct reg {
  81        const char *name;
  82        int addr;
  83};
  84
  85#define REG_STRUCT_INIT(r) { #r, r }
  86
  87/* just a few random registers, might want to add more */
  88static const struct reg regs[] = {
  89        REG_STRUCT_INIT(AR5K_CR),
  90        REG_STRUCT_INIT(AR5K_RXDP),
  91        REG_STRUCT_INIT(AR5K_CFG),
  92        REG_STRUCT_INIT(AR5K_IER),
  93        REG_STRUCT_INIT(AR5K_BCR),
  94        REG_STRUCT_INIT(AR5K_RTSD0),
  95        REG_STRUCT_INIT(AR5K_RTSD1),
  96        REG_STRUCT_INIT(AR5K_TXCFG),
  97        REG_STRUCT_INIT(AR5K_RXCFG),
  98        REG_STRUCT_INIT(AR5K_RXJLA),
  99        REG_STRUCT_INIT(AR5K_MIBC),
 100        REG_STRUCT_INIT(AR5K_TOPS),
 101        REG_STRUCT_INIT(AR5K_RXNOFRM),
 102        REG_STRUCT_INIT(AR5K_TXNOFRM),
 103        REG_STRUCT_INIT(AR5K_RPGTO),
 104        REG_STRUCT_INIT(AR5K_RFCNT),
 105        REG_STRUCT_INIT(AR5K_MISC),
 106        REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
 107        REG_STRUCT_INIT(AR5K_ISR),
 108        REG_STRUCT_INIT(AR5K_PISR),
 109        REG_STRUCT_INIT(AR5K_SISR0),
 110        REG_STRUCT_INIT(AR5K_SISR1),
 111        REG_STRUCT_INIT(AR5K_SISR2),
 112        REG_STRUCT_INIT(AR5K_SISR3),
 113        REG_STRUCT_INIT(AR5K_SISR4),
 114        REG_STRUCT_INIT(AR5K_IMR),
 115        REG_STRUCT_INIT(AR5K_PIMR),
 116        REG_STRUCT_INIT(AR5K_SIMR0),
 117        REG_STRUCT_INIT(AR5K_SIMR1),
 118        REG_STRUCT_INIT(AR5K_SIMR2),
 119        REG_STRUCT_INIT(AR5K_SIMR3),
 120        REG_STRUCT_INIT(AR5K_SIMR4),
 121        REG_STRUCT_INIT(AR5K_DCM_ADDR),
 122        REG_STRUCT_INIT(AR5K_DCCFG),
 123        REG_STRUCT_INIT(AR5K_CCFG),
 124        REG_STRUCT_INIT(AR5K_CPC0),
 125        REG_STRUCT_INIT(AR5K_CPC1),
 126        REG_STRUCT_INIT(AR5K_CPC2),
 127        REG_STRUCT_INIT(AR5K_CPC3),
 128        REG_STRUCT_INIT(AR5K_CPCOVF),
 129        REG_STRUCT_INIT(AR5K_RESET_CTL),
 130        REG_STRUCT_INIT(AR5K_SLEEP_CTL),
 131        REG_STRUCT_INIT(AR5K_INTPEND),
 132        REG_STRUCT_INIT(AR5K_SFR),
 133        REG_STRUCT_INIT(AR5K_PCICFG),
 134        REG_STRUCT_INIT(AR5K_GPIOCR),
 135        REG_STRUCT_INIT(AR5K_GPIODO),
 136        REG_STRUCT_INIT(AR5K_SREV),
 137};
 138
 139static void *reg_start(struct seq_file *seq, loff_t *pos)
 140{
 141        return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 142}
 143
 144static void reg_stop(struct seq_file *seq, void *p)
 145{
 146        /* nothing to do */
 147}
 148
 149static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
 150{
 151        ++*pos;
 152        return *pos < ARRAY_SIZE(regs) ? (void *)&regs[*pos] : NULL;
 153}
 154
 155static int reg_show(struct seq_file *seq, void *p)
 156{
 157        struct ath5k_hw *ah = seq->private;
 158        struct reg *r = p;
 159        seq_printf(seq, "%-25s0x%08x\n", r->name,
 160                ath5k_hw_reg_read(ah, r->addr));
 161        return 0;
 162}
 163
 164static const struct seq_operations register_seq_ops = {
 165        .start = reg_start,
 166        .next  = reg_next,
 167        .stop  = reg_stop,
 168        .show  = reg_show
 169};
 170
 171static int open_file_registers(struct inode *inode, struct file *file)
 172{
 173        struct seq_file *s;
 174        int res;
 175        res = seq_open(file, &register_seq_ops);
 176        if (res == 0) {
 177                s = file->private_data;
 178                s->private = inode->i_private;
 179        }
 180        return res;
 181}
 182
 183static const struct file_operations fops_registers = {
 184        .open = open_file_registers,
 185        .read    = seq_read,
 186        .llseek  = seq_lseek,
 187        .release = seq_release,
 188        .owner = THIS_MODULE,
 189};
 190
 191
 192/* debugfs: beacons */
 193
 194static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
 195                                   size_t count, loff_t *ppos)
 196{
 197        struct ath5k_hw *ah = file->private_data;
 198        char buf[500];
 199        unsigned int len = 0;
 200        unsigned int v;
 201        u64 tsf;
 202
 203        v = ath5k_hw_reg_read(ah, AR5K_BEACON);
 204        len += snprintf(buf + len, sizeof(buf) - len,
 205                "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
 206                "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
 207                (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
 208
 209        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
 210                "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
 211
 212        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
 213                "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
 214
 215        v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
 216        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 217                "AR5K_TIMER0 (TBTT)", v, v);
 218
 219        v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
 220        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 221                "AR5K_TIMER1 (DMA)", v, v >> 3);
 222
 223        v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
 224        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 225                "AR5K_TIMER2 (SWBA)", v, v >> 3);
 226
 227        v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
 228        len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
 229                "AR5K_TIMER3 (ATIM)", v, v);
 230
 231        tsf = ath5k_hw_get_tsf64(ah);
 232        len += snprintf(buf + len, sizeof(buf) - len,
 233                "TSF\t\t0x%016llx\tTU: %08x\n",
 234                (unsigned long long)tsf, TSF_TO_TU(tsf));
 235
 236        if (len > sizeof(buf))
 237                len = sizeof(buf);
 238
 239        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 240}
 241
 242static ssize_t write_file_beacon(struct file *file,
 243                                 const char __user *userbuf,
 244                                 size_t count, loff_t *ppos)
 245{
 246        struct ath5k_hw *ah = file->private_data;
 247        char buf[20];
 248
 249        count = min_t(size_t, count, sizeof(buf) - 1);
 250        if (copy_from_user(buf, userbuf, count))
 251                return -EFAULT;
 252
 253        buf[count] = '\0';
 254        if (strncmp(buf, "disable", 7) == 0) {
 255                AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 256                pr_info("debugfs disable beacons\n");
 257        } else if (strncmp(buf, "enable", 6) == 0) {
 258                AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
 259                pr_info("debugfs enable beacons\n");
 260        }
 261        return count;
 262}
 263
 264static const struct file_operations fops_beacon = {
 265        .read = read_file_beacon,
 266        .write = write_file_beacon,
 267        .open = simple_open,
 268        .owner = THIS_MODULE,
 269        .llseek = default_llseek,
 270};
 271
 272
 273/* debugfs: reset */
 274
 275static ssize_t write_file_reset(struct file *file,
 276                                 const char __user *userbuf,
 277                                 size_t count, loff_t *ppos)
 278{
 279        struct ath5k_hw *ah = file->private_data;
 280        ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
 281        ieee80211_queue_work(ah->hw, &ah->reset_work);
 282        return count;
 283}
 284
 285static const struct file_operations fops_reset = {
 286        .write = write_file_reset,
 287        .open = simple_open,
 288        .owner = THIS_MODULE,
 289        .llseek = noop_llseek,
 290};
 291
 292
 293/* debugfs: debug level */
 294
 295static const struct {
 296        enum ath5k_debug_level level;
 297        const char *name;
 298        const char *desc;
 299} dbg_info[] = {
 300        { ATH5K_DEBUG_RESET,    "reset",        "reset and initialization" },
 301        { ATH5K_DEBUG_INTR,     "intr",         "interrupt handling" },
 302        { ATH5K_DEBUG_MODE,     "mode",         "mode init/setup" },
 303        { ATH5K_DEBUG_XMIT,     "xmit",         "basic xmit operation" },
 304        { ATH5K_DEBUG_BEACON,   "beacon",       "beacon handling" },
 305        { ATH5K_DEBUG_CALIBRATE, "calib",       "periodic calibration" },
 306        { ATH5K_DEBUG_TXPOWER,  "txpower",      "transmit power setting" },
 307        { ATH5K_DEBUG_LED,      "led",          "LED management" },
 308        { ATH5K_DEBUG_DUMPBANDS, "dumpbands",   "dump bands" },
 309        { ATH5K_DEBUG_DMA,      "dma",          "dma start/stop" },
 310        { ATH5K_DEBUG_ANI,      "ani",          "adaptive noise immunity" },
 311        { ATH5K_DEBUG_DESC,     "desc",         "descriptor chains" },
 312        { ATH5K_DEBUG_ANY,      "all",          "show all debug levels" },
 313};
 314
 315static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 316                                   size_t count, loff_t *ppos)
 317{
 318        struct ath5k_hw *ah = file->private_data;
 319        char buf[700];
 320        unsigned int len = 0;
 321        unsigned int i;
 322
 323        len += snprintf(buf + len, sizeof(buf) - len,
 324                "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
 325
 326        for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
 327                len += snprintf(buf + len, sizeof(buf) - len,
 328                        "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 329                        ah->debug.level & dbg_info[i].level ? '+' : ' ',
 330                        dbg_info[i].level, dbg_info[i].desc);
 331        }
 332        len += snprintf(buf + len, sizeof(buf) - len,
 333                "%10s %c 0x%08x - %s\n", dbg_info[i].name,
 334                ah->debug.level == dbg_info[i].level ? '+' : ' ',
 335                dbg_info[i].level, dbg_info[i].desc);
 336
 337        if (len > sizeof(buf))
 338                len = sizeof(buf);
 339
 340        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 341}
 342
 343static ssize_t write_file_debug(struct file *file,
 344                                 const char __user *userbuf,
 345                                 size_t count, loff_t *ppos)
 346{
 347        struct ath5k_hw *ah = file->private_data;
 348        unsigned int i;
 349        char buf[20];
 350
 351        count = min_t(size_t, count, sizeof(buf) - 1);
 352        if (copy_from_user(buf, userbuf, count))
 353                return -EFAULT;
 354
 355        buf[count] = '\0';
 356        for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
 357                if (strncmp(buf, dbg_info[i].name,
 358                                        strlen(dbg_info[i].name)) == 0) {
 359                        ah->debug.level ^= dbg_info[i].level; /* toggle bit */
 360                        break;
 361                }
 362        }
 363        return count;
 364}
 365
 366static const struct file_operations fops_debug = {
 367        .read = read_file_debug,
 368        .write = write_file_debug,
 369        .open = simple_open,
 370        .owner = THIS_MODULE,
 371        .llseek = default_llseek,
 372};
 373
 374
 375/* debugfs: antenna */
 376
 377static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
 378                                   size_t count, loff_t *ppos)
 379{
 380        struct ath5k_hw *ah = 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                ah->ah_ant_mode);
 388        len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
 389                ah->ah_def_ant);
 390        len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
 391                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(ah->stats.antenna_rx); i++) {
 395                len += snprintf(buf + len, sizeof(buf) - len,
 396                        "[antenna %d]\t%d\t%d\n",
 397                        i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
 398        }
 399        len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
 400                        ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
 401
 402        v = ath5k_hw_reg_read(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(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(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(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(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(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(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
 448static ssize_t write_file_antenna(struct file *file,
 449                                 const char __user *userbuf,
 450                                 size_t count, loff_t *ppos)
 451{
 452        struct ath5k_hw *ah = file->private_data;
 453        unsigned int i;
 454        char buf[20];
 455
 456        count = min_t(size_t, count, sizeof(buf) - 1);
 457        if (copy_from_user(buf, userbuf, count))
 458                return -EFAULT;
 459
 460        buf[count] = '\0';
 461        if (strncmp(buf, "diversity", 9) == 0) {
 462                ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
 463                pr_info("debug: enable diversity\n");
 464        } else if (strncmp(buf, "fixed-a", 7) == 0) {
 465                ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
 466                pr_info("debug: fixed antenna A\n");
 467        } else if (strncmp(buf, "fixed-b", 7) == 0) {
 468                ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
 469                pr_info("debug: fixed antenna B\n");
 470        } else if (strncmp(buf, "clear", 5) == 0) {
 471                for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 472                        ah->stats.antenna_rx[i] = 0;
 473                        ah->stats.antenna_tx[i] = 0;
 474                }
 475                pr_info("debug: cleared antenna stats\n");
 476        }
 477        return count;
 478}
 479
 480static const struct file_operations fops_antenna = {
 481        .read = read_file_antenna,
 482        .write = write_file_antenna,
 483        .open = simple_open,
 484        .owner = THIS_MODULE,
 485        .llseek = default_llseek,
 486};
 487
 488/* debugfs: misc */
 489
 490static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 491                                   size_t count, loff_t *ppos)
 492{
 493        struct ath5k_hw *ah = file->private_data;
 494        char buf[700];
 495        unsigned int len = 0;
 496        u32 filt = ath5k_hw_get_rx_filter(ah);
 497
 498        len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
 499                        ah->bssidmask);
 500        len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
 501                        filt);
 502        if (filt & AR5K_RX_FILTER_UCAST)
 503                len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 504        if (filt & AR5K_RX_FILTER_MCAST)
 505                len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 506        if (filt & AR5K_RX_FILTER_BCAST)
 507                len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 508        if (filt & AR5K_RX_FILTER_CONTROL)
 509                len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 510        if (filt & AR5K_RX_FILTER_BEACON)
 511                len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 512        if (filt & AR5K_RX_FILTER_PROM)
 513                len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 514        if (filt & AR5K_RX_FILTER_XRPOLL)
 515                len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
 516        if (filt & AR5K_RX_FILTER_PROBEREQ)
 517                len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 518        if (filt & AR5K_RX_FILTER_PHYERR_5212)
 519                len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
 520        if (filt & AR5K_RX_FILTER_RADARERR_5212)
 521                len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
 522        if (filt & AR5K_RX_FILTER_PHYERR_5211)
 523                snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
 524        if (filt & AR5K_RX_FILTER_RADARERR_5211)
 525                len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
 526
 527        len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
 528                        ath_opmode_to_string(ah->opmode), ah->opmode);
 529
 530        if (len > sizeof(buf))
 531                len = sizeof(buf);
 532
 533        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 534}
 535
 536static const struct file_operations fops_misc = {
 537        .read = read_file_misc,
 538        .open = simple_open,
 539        .owner = THIS_MODULE,
 540};
 541
 542
 543/* debugfs: frameerrors */
 544
 545static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
 546                                   size_t count, loff_t *ppos)
 547{
 548        struct ath5k_hw *ah = file->private_data;
 549        struct ath5k_statistics *st = &ah->stats;
 550        char buf[700];
 551        unsigned int len = 0;
 552        int i;
 553
 554        len += snprintf(buf + len, sizeof(buf) - len,
 555                        "RX\n---------------------\n");
 556        len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
 557                        st->rxerr_crc,
 558                        st->rx_all_count > 0 ?
 559                                st->rxerr_crc * 100 / st->rx_all_count : 0);
 560        len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
 561                        st->rxerr_phy,
 562                        st->rx_all_count > 0 ?
 563                                st->rxerr_phy * 100 / st->rx_all_count : 0);
 564        for (i = 0; i < 32; i++) {
 565                if (st->rxerr_phy_code[i])
 566                        len += snprintf(buf + len, sizeof(buf) - len,
 567                                " phy_err[%u]\t%u\n",
 568                                i, st->rxerr_phy_code[i]);
 569        }
 570
 571        len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 572                        st->rxerr_fifo,
 573                        st->rx_all_count > 0 ?
 574                                st->rxerr_fifo * 100 / st->rx_all_count : 0);
 575        len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
 576                        st->rxerr_decrypt,
 577                        st->rx_all_count > 0 ?
 578                                st->rxerr_decrypt * 100 / st->rx_all_count : 0);
 579        len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
 580                        st->rxerr_mic,
 581                        st->rx_all_count > 0 ?
 582                                st->rxerr_mic * 100 / st->rx_all_count : 0);
 583        len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
 584                        st->rxerr_proc,
 585                        st->rx_all_count > 0 ?
 586                                st->rxerr_proc * 100 / st->rx_all_count : 0);
 587        len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
 588                        st->rxerr_jumbo,
 589                        st->rx_all_count > 0 ?
 590                                st->rxerr_jumbo * 100 / st->rx_all_count : 0);
 591        len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
 592                        st->rx_all_count);
 593        len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
 594                        st->rx_bytes_count);
 595
 596        len += snprintf(buf + len, sizeof(buf) - len,
 597                        "\nTX\n---------------------\n");
 598        len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
 599                        st->txerr_retry,
 600                        st->tx_all_count > 0 ?
 601                                st->txerr_retry * 100 / st->tx_all_count : 0);
 602        len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
 603                        st->txerr_fifo,
 604                        st->tx_all_count > 0 ?
 605                                st->txerr_fifo * 100 / st->tx_all_count : 0);
 606        len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
 607                        st->txerr_filt,
 608                        st->tx_all_count > 0 ?
 609                                st->txerr_filt * 100 / st->tx_all_count : 0);
 610        len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
 611                        st->tx_all_count);
 612        len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
 613                        st->tx_bytes_count);
 614
 615        if (len > sizeof(buf))
 616                len = sizeof(buf);
 617
 618        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 619}
 620
 621static ssize_t write_file_frameerrors(struct file *file,
 622                                 const char __user *userbuf,
 623                                 size_t count, loff_t *ppos)
 624{
 625        struct ath5k_hw *ah = file->private_data;
 626        struct ath5k_statistics *st = &ah->stats;
 627        char buf[20];
 628
 629        count = min_t(size_t, count, sizeof(buf) - 1);
 630        if (copy_from_user(buf, userbuf, count))
 631                return -EFAULT;
 632
 633        buf[count] = '\0';
 634        if (strncmp(buf, "clear", 5) == 0) {
 635                st->rxerr_crc = 0;
 636                st->rxerr_phy = 0;
 637                st->rxerr_fifo = 0;
 638                st->rxerr_decrypt = 0;
 639                st->rxerr_mic = 0;
 640                st->rxerr_proc = 0;
 641                st->rxerr_jumbo = 0;
 642                st->rx_all_count = 0;
 643                st->txerr_retry = 0;
 644                st->txerr_fifo = 0;
 645                st->txerr_filt = 0;
 646                st->tx_all_count = 0;
 647                pr_info("debug: cleared frameerrors stats\n");
 648        }
 649        return count;
 650}
 651
 652static const struct file_operations fops_frameerrors = {
 653        .read = read_file_frameerrors,
 654        .write = write_file_frameerrors,
 655        .open = simple_open,
 656        .owner = THIS_MODULE,
 657        .llseek = default_llseek,
 658};
 659
 660
 661/* debugfs: ani */
 662
 663static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 664                                   size_t count, loff_t *ppos)
 665{
 666        struct ath5k_hw *ah = file->private_data;
 667        struct ath5k_statistics *st = &ah->stats;
 668        struct ath5k_ani_state *as = &ah->ani_state;
 669
 670        char buf[700];
 671        unsigned int len = 0;
 672
 673        len += snprintf(buf + len, sizeof(buf) - len,
 674                        "HW has PHY error counters:\t%s\n",
 675                        ah->ah_capabilities.cap_has_phyerr_counters ?
 676                        "yes" : "no");
 677        len += snprintf(buf + len, sizeof(buf) - len,
 678                        "HW max spur immunity level:\t%d\n",
 679                        as->max_spur_level);
 680        len += snprintf(buf + len, sizeof(buf) - len,
 681                "\nANI state\n--------------------------------------------\n");
 682        len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
 683        switch (as->ani_mode) {
 684        case ATH5K_ANI_MODE_OFF:
 685                len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
 686                break;
 687        case ATH5K_ANI_MODE_MANUAL_LOW:
 688                len += snprintf(buf + len, sizeof(buf) - len,
 689                        "MANUAL LOW\n");
 690                break;
 691        case ATH5K_ANI_MODE_MANUAL_HIGH:
 692                len += snprintf(buf + len, sizeof(buf) - len,
 693                        "MANUAL HIGH\n");
 694                break;
 695        case ATH5K_ANI_MODE_AUTO:
 696                len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
 697                break;
 698        default:
 699                len += snprintf(buf + len, sizeof(buf) - len,
 700                        "??? (not good)\n");
 701                break;
 702        }
 703        len += snprintf(buf + len, sizeof(buf) - len,
 704                        "noise immunity level:\t\t%d\n",
 705                        as->noise_imm_level);
 706        len += snprintf(buf + len, sizeof(buf) - len,
 707                        "spur immunity level:\t\t%d\n",
 708                        as->spur_level);
 709        len += snprintf(buf + len, sizeof(buf) - len,
 710                        "firstep level:\t\t\t%d\n",
 711                        as->firstep_level);
 712        len += snprintf(buf + len, sizeof(buf) - len,
 713                        "OFDM weak signal detection:\t%s\n",
 714                        as->ofdm_weak_sig ? "on" : "off");
 715        len += snprintf(buf + len, sizeof(buf) - len,
 716                        "CCK weak signal detection:\t%s\n",
 717                        as->cck_weak_sig ? "on" : "off");
 718
 719        len += snprintf(buf + len, sizeof(buf) - len,
 720                        "\nMIB INTERRUPTS:\t\t%u\n",
 721                        st->mib_intr);
 722        len += snprintf(buf + len, sizeof(buf) - len,
 723                        "beacon RSSI average:\t%d\n",
 724                        (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg));
 725
 726#define CC_PRINT(_struct, _field) \
 727        _struct._field, \
 728        _struct.cycles > 0 ? \
 729        _struct._field * 100 / _struct.cycles : 0
 730
 731        len += snprintf(buf + len, sizeof(buf) - len,
 732                        "profcnt tx\t\t%u\t(%d%%)\n",
 733                        CC_PRINT(as->last_cc, tx_frame));
 734        len += snprintf(buf + len, sizeof(buf) - len,
 735                        "profcnt rx\t\t%u\t(%d%%)\n",
 736                        CC_PRINT(as->last_cc, rx_frame));
 737        len += snprintf(buf + len, sizeof(buf) - len,
 738                        "profcnt busy\t\t%u\t(%d%%)\n",
 739                        CC_PRINT(as->last_cc, rx_busy));
 740#undef CC_PRINT
 741        len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
 742                        as->last_cc.cycles);
 743        len += snprintf(buf + len, sizeof(buf) - len,
 744                        "listen time\t\t%d\tlast: %d\n",
 745                        as->listen_time, as->last_listen);
 746        len += snprintf(buf + len, sizeof(buf) - len,
 747                        "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
 748                        as->ofdm_errors, as->last_ofdm_errors,
 749                        as->sum_ofdm_errors);
 750        len += snprintf(buf + len, sizeof(buf) - len,
 751                        "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
 752                        as->cck_errors, as->last_cck_errors,
 753                        as->sum_cck_errors);
 754        len += snprintf(buf + len, sizeof(buf) - len,
 755                        "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
 756                        ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
 757                        ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 758                        ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
 759        len += snprintf(buf + len, sizeof(buf) - len,
 760                        "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
 761                        ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
 762                        ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
 763                        ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
 764
 765        if (len > sizeof(buf))
 766                len = sizeof(buf);
 767
 768        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 769}
 770
 771static ssize_t write_file_ani(struct file *file,
 772                                 const char __user *userbuf,
 773                                 size_t count, loff_t *ppos)
 774{
 775        struct ath5k_hw *ah = file->private_data;
 776        char buf[20];
 777
 778        count = min_t(size_t, count, sizeof(buf) - 1);
 779        if (copy_from_user(buf, userbuf, count))
 780                return -EFAULT;
 781
 782        buf[count] = '\0';
 783        if (strncmp(buf, "sens-low", 8) == 0) {
 784                ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
 785        } else if (strncmp(buf, "sens-high", 9) == 0) {
 786                ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
 787        } else if (strncmp(buf, "ani-off", 7) == 0) {
 788                ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
 789        } else if (strncmp(buf, "ani-on", 6) == 0) {
 790                ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
 791        } else if (strncmp(buf, "noise-low", 9) == 0) {
 792                ath5k_ani_set_noise_immunity_level(ah, 0);
 793        } else if (strncmp(buf, "noise-high", 10) == 0) {
 794                ath5k_ani_set_noise_immunity_level(ah,
 795                                                   ATH5K_ANI_MAX_NOISE_IMM_LVL);
 796        } else if (strncmp(buf, "spur-low", 8) == 0) {
 797                ath5k_ani_set_spur_immunity_level(ah, 0);
 798        } else if (strncmp(buf, "spur-high", 9) == 0) {
 799                ath5k_ani_set_spur_immunity_level(ah,
 800                                                  ah->ani_state.max_spur_level);
 801        } else if (strncmp(buf, "fir-low", 7) == 0) {
 802                ath5k_ani_set_firstep_level(ah, 0);
 803        } else if (strncmp(buf, "fir-high", 8) == 0) {
 804                ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
 805        } else if (strncmp(buf, "ofdm-off", 8) == 0) {
 806                ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
 807        } else if (strncmp(buf, "ofdm-on", 7) == 0) {
 808                ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
 809        } else if (strncmp(buf, "cck-off", 7) == 0) {
 810                ath5k_ani_set_cck_weak_signal_detection(ah, false);
 811        } else if (strncmp(buf, "cck-on", 6) == 0) {
 812                ath5k_ani_set_cck_weak_signal_detection(ah, true);
 813        }
 814        return count;
 815}
 816
 817static const struct file_operations fops_ani = {
 818        .read = read_file_ani,
 819        .write = write_file_ani,
 820        .open = simple_open,
 821        .owner = THIS_MODULE,
 822        .llseek = default_llseek,
 823};
 824
 825
 826/* debugfs: queues etc */
 827
 828static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 829                                   size_t count, loff_t *ppos)
 830{
 831        struct ath5k_hw *ah = file->private_data;
 832        char buf[700];
 833        unsigned int len = 0;
 834
 835        struct ath5k_txq *txq;
 836        struct ath5k_buf *bf, *bf0;
 837        int i, n;
 838
 839        len += snprintf(buf + len, sizeof(buf) - len,
 840                        "available txbuffers: %d\n", ah->txbuf_len);
 841
 842        for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
 843                txq = &ah->txqs[i];
 844
 845                len += snprintf(buf + len, sizeof(buf) - len,
 846                        "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
 847
 848                if (!txq->setup)
 849                        continue;
 850
 851                n = 0;
 852                spin_lock_bh(&txq->lock);
 853                list_for_each_entry_safe(bf, bf0, &txq->q, list)
 854                        n++;
 855                spin_unlock_bh(&txq->lock);
 856
 857                len += snprintf(buf + len, sizeof(buf) - len,
 858                                "  len: %d bufs: %d\n", txq->txq_len, n);
 859                len += snprintf(buf + len, sizeof(buf) - len,
 860                                "  stuck: %d\n", txq->txq_stuck);
 861        }
 862
 863        if (len > sizeof(buf))
 864                len = sizeof(buf);
 865
 866        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 867}
 868
 869static ssize_t write_file_queue(struct file *file,
 870                                 const char __user *userbuf,
 871                                 size_t count, loff_t *ppos)
 872{
 873        struct ath5k_hw *ah = file->private_data;
 874        char buf[20];
 875
 876        count = min_t(size_t, count, sizeof(buf) - 1);
 877        if (copy_from_user(buf, userbuf, count))
 878                return -EFAULT;
 879
 880        buf[count] = '\0';
 881        if (strncmp(buf, "start", 5) == 0)
 882                ieee80211_wake_queues(ah->hw);
 883        else if (strncmp(buf, "stop", 4) == 0)
 884                ieee80211_stop_queues(ah->hw);
 885
 886        return count;
 887}
 888
 889
 890static const struct file_operations fops_queue = {
 891        .read = read_file_queue,
 892        .write = write_file_queue,
 893        .open = simple_open,
 894        .owner = THIS_MODULE,
 895        .llseek = default_llseek,
 896};
 897
 898/* debugfs: eeprom */
 899
 900struct eeprom_private {
 901        u16 *buf;
 902        int len;
 903};
 904
 905static int open_file_eeprom(struct inode *inode, struct file *file)
 906{
 907        struct eeprom_private *ep;
 908        struct ath5k_hw *ah = inode->i_private;
 909        bool res;
 910        int i, ret;
 911        u32 eesize;     /* NB: in 16-bit words */
 912        u16 val, *buf;
 913
 914        /* Get eeprom size */
 915
 916        res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
 917        if (!res)
 918                return -EACCES;
 919
 920        if (val == 0) {
 921                eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
 922        } else {
 923                eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
 924                        AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
 925                ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
 926                eesize = eesize | val;
 927        }
 928
 929        if (eesize > 4096)
 930                return -EINVAL;
 931
 932        /* Create buffer and read in eeprom */
 933
 934        buf = vmalloc(array_size(eesize, 2));
 935        if (!buf) {
 936                ret = -ENOMEM;
 937                goto err;
 938        }
 939
 940        for (i = 0; i < eesize; ++i) {
 941                if (!ath5k_hw_nvram_read(ah, i, &val)) {
 942                        ret = -EIO;
 943                        goto freebuf;
 944                }
 945                buf[i] = val;
 946        }
 947
 948        /* Create private struct and assign to file */
 949
 950        ep = kmalloc(sizeof(*ep), GFP_KERNEL);
 951        if (!ep) {
 952                ret = -ENOMEM;
 953                goto freebuf;
 954        }
 955
 956        ep->buf = buf;
 957        ep->len = eesize * 2;
 958
 959        file->private_data = (void *)ep;
 960
 961        return 0;
 962
 963freebuf:
 964        vfree(buf);
 965err:
 966        return ret;
 967
 968}
 969
 970static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
 971                                   size_t count, loff_t *ppos)
 972{
 973        struct eeprom_private *ep = file->private_data;
 974
 975        return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
 976}
 977
 978static int release_file_eeprom(struct inode *inode, struct file *file)
 979{
 980        struct eeprom_private *ep = file->private_data;
 981
 982        vfree(ep->buf);
 983        kfree(ep);
 984
 985        return 0;
 986}
 987
 988static const struct file_operations fops_eeprom = {
 989        .open = open_file_eeprom,
 990        .read = read_file_eeprom,
 991        .release = release_file_eeprom,
 992        .owner = THIS_MODULE,
 993};
 994
 995
 996void
 997ath5k_debug_init_device(struct ath5k_hw *ah)
 998{
 999        struct dentry *phydir;
1000
1001        ah->debug.level = ath5k_debug;
1002
1003        phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
1004        if (!phydir)
1005                return;
1006
1007        debugfs_create_file("debug", 0600, phydir, ah, &fops_debug);
1008        debugfs_create_file("registers", 0400, phydir, ah, &fops_registers);
1009        debugfs_create_file("beacon", 0600, phydir, ah, &fops_beacon);
1010        debugfs_create_file("reset", 0200, phydir, ah, &fops_reset);
1011        debugfs_create_file("antenna", 0600, phydir, ah, &fops_antenna);
1012        debugfs_create_file("misc", 0400, phydir, ah, &fops_misc);
1013        debugfs_create_file("eeprom", 0400, phydir, ah, &fops_eeprom);
1014        debugfs_create_file("frameerrors", 0600, phydir, ah, &fops_frameerrors);
1015        debugfs_create_file("ani", 0600, phydir, ah, &fops_ani);
1016        debugfs_create_file("queue", 0600, phydir, ah, &fops_queue);
1017        debugfs_create_bool("32khz_clock", 0600, phydir,
1018                            &ah->ah_use_32khz_clock);
1019}
1020
1021/* functions used in other places */
1022
1023void
1024ath5k_debug_dump_bands(struct ath5k_hw *ah)
1025{
1026        unsigned int b, i;
1027
1028        if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
1029                return;
1030
1031        BUG_ON(!ah->sbands);
1032
1033        for (b = 0; b < NUM_NL80211_BANDS; b++) {
1034                struct ieee80211_supported_band *band = &ah->sbands[b];
1035                char bname[6];
1036                switch (band->band) {
1037                case NL80211_BAND_2GHZ:
1038                        strcpy(bname, "2 GHz");
1039                        break;
1040                case NL80211_BAND_5GHZ:
1041                        strcpy(bname, "5 GHz");
1042                        break;
1043                default:
1044                        printk(KERN_DEBUG "Band not supported: %d\n",
1045                                band->band);
1046                        return;
1047                }
1048                printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
1049                                band->n_channels, band->n_bitrates);
1050                printk(KERN_DEBUG " channels:\n");
1051                for (i = 0; i < band->n_channels; i++)
1052                        printk(KERN_DEBUG "  %3d %d %.4x %.4x\n",
1053                                        ieee80211_frequency_to_channel(
1054                                                band->channels[i].center_freq),
1055                                        band->channels[i].center_freq,
1056                                        band->channels[i].hw_value,
1057                                        band->channels[i].flags);
1058                printk(KERN_DEBUG " rates:\n");
1059                for (i = 0; i < band->n_bitrates; i++)
1060                        printk(KERN_DEBUG "  %4d %.4x %.4x %.4x\n",
1061                                        band->bitrates[i].bitrate,
1062                                        band->bitrates[i].hw_value,
1063                                        band->bitrates[i].flags,
1064                                        band->bitrates[i].hw_value_short);
1065        }
1066}
1067
1068static inline void
1069ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
1070                       struct ath5k_rx_status *rs)
1071{
1072        struct ath5k_desc *ds = bf->desc;
1073        struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
1074
1075        printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
1076                ds, (unsigned long long)bf->daddr,
1077                ds->ds_link, ds->ds_data,
1078                rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
1079                rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
1080                !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
1081}
1082
1083void
1084ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
1085{
1086        struct ath5k_desc *ds;
1087        struct ath5k_buf *bf;
1088        struct ath5k_rx_status rs = {};
1089        int status;
1090
1091        if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1092                return;
1093
1094        printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
1095                ath5k_hw_get_rxdp(ah), ah->rxlink);
1096
1097        spin_lock_bh(&ah->rxbuflock);
1098        list_for_each_entry(bf, &ah->rxbuf, list) {
1099                ds = bf->desc;
1100                status = ah->ah_proc_rx_desc(ah, ds, &rs);
1101                if (!status)
1102                        ath5k_debug_printrxbuf(bf, status == 0, &rs);
1103        }
1104        spin_unlock_bh(&ah->rxbuflock);
1105}
1106
1107void
1108ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
1109{
1110        struct ath5k_desc *ds = bf->desc;
1111        struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
1112        struct ath5k_tx_status ts = {};
1113        int done;
1114
1115        if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
1116                return;
1117
1118        done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
1119
1120        printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
1121                "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
1122                ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
1123                td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
1124                td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
1125                done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
1126}
1127