LXR linux/drivers/net/wireless/intel/iwlwifi/iwl-debug.h

   1/******************************************************************************
   2 *
   3 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
   4 *
   5 * Portions of this file are derived from the ipw3945 project.
   6 *
   7 * This program is free software; you can redistribute it and/or modify it
   8 * under the terms of version 2 of the GNU General Public License as
   9 * published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful, but WITHOUT
  12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14 * more details.
  15 *
  16 * The full GNU General Public License is included in this distribution in the
  17 * file called LICENSE.
  18 *
  19 * Contact Information:
  20 *  Intel Linux Wireless <linuxwifi@intel.com>
  21 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  22 *
  23 *****************************************************************************/
  24
  25#ifndef __iwl_debug_h__
  26#define __iwl_debug_h__
  27
  28#include "iwl-modparams.h"
  29
  30
  31static inline bool iwl_have_debug_level(u32 level)
  32{
  33#ifdef CONFIG_IWLWIFI_DEBUG
  34        return iwlwifi_mod_params.debug_level & level;
  35#else
  36        return false;
  37#endif
  38}
  39
  40struct device;
  41void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace,
  42                const char *fmt, ...) __printf(4, 5);
  43void __iwl_warn(struct device *dev, const char *fmt, ...) __printf(2, 3);
  44void __iwl_info(struct device *dev, const char *fmt, ...) __printf(2, 3);
  45void __iwl_crit(struct device *dev, const char *fmt, ...) __printf(2, 3);
  46
  47/* not all compilers can evaluate strlen() at compile time, so use sizeof() */
  48#define CHECK_FOR_NEWLINE(f) BUILD_BUG_ON(f[sizeof(f) - 2] != '\n')
  49
  50/* No matter what is m (priv, bus, trans), this will work */
  51#define IWL_ERR_DEV(d, f, a...)                                         \
  52        do {                                                            \
  53                CHECK_FOR_NEWLINE(f);                                   \
  54                __iwl_err((d), false, false, f, ## a);                  \
  55        } while (0)
  56#define IWL_ERR(m, f, a...)                                             \
  57        IWL_ERR_DEV((m)->dev, f, ## a)
  58#define IWL_WARN(m, f, a...)                                            \
  59        do {                                                            \
  60                CHECK_FOR_NEWLINE(f);                                   \
  61                __iwl_warn((m)->dev, f, ## a);                          \
  62        } while (0)
  63#define IWL_INFO(m, f, a...)                                            \
  64        do {                                                            \
  65                CHECK_FOR_NEWLINE(f);                                   \
  66                __iwl_info((m)->dev, f, ## a);                          \
  67        } while (0)
  68#define IWL_CRIT(m, f, a...)                                            \
  69        do {                                                            \
  70                CHECK_FOR_NEWLINE(f);                                   \
  71                __iwl_crit((m)->dev, f, ## a);                          \
  72        } while (0)
  73
  74#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
  75void __iwl_dbg(struct device *dev,
  76               u32 level, bool limit, const char *function,
  77               const char *fmt, ...) __printf(5, 6);
  78#else
  79__printf(5, 6) static inline void
  80__iwl_dbg(struct device *dev,
  81          u32 level, bool limit, const char *function,
  82          const char *fmt, ...)
  83{}
  84#endif
  85
  86#define iwl_print_hex_error(m, p, len)                                  \
  87do {                                                                    \
  88        print_hex_dump(KERN_ERR, "iwl data: ",                          \
  89                       DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);           \
  90} while (0)
  91
  92#define __IWL_DEBUG_DEV(dev, level, limit, fmt, args...)                \
  93        do {                                                            \
  94                CHECK_FOR_NEWLINE(fmt);                                 \
  95                __iwl_dbg(dev, level, limit, __func__, fmt, ##args);    \
  96        } while (0)
  97#define IWL_DEBUG(m, level, fmt, args...)                               \
  98        __IWL_DEBUG_DEV((m)->dev, level, false, fmt, ##args)
  99#define IWL_DEBUG_DEV(dev, level, fmt, args...)                         \
 100        __IWL_DEBUG_DEV(dev, level, false, fmt, ##args)
 101#define IWL_DEBUG_LIMIT(m, level, fmt, args...)                         \
 102        __IWL_DEBUG_DEV((m)->dev, level, true, fmt, ##args)
 103
 104#ifdef CONFIG_IWLWIFI_DEBUG
 105#define iwl_print_hex_dump(m, level, p, len)                            \
 106do {                                                                    \
 107        if (iwl_have_debug_level(level))                                \
 108                print_hex_dump(KERN_DEBUG, "iwl data: ",                \
 109                               DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);   \
 110} while (0)
 111#else
 112#define iwl_print_hex_dump(m, level, p, len)
 113#endif                          /* CONFIG_IWLWIFI_DEBUG */
 114
 115/*
 116 * To use the debug system:
 117 *
 118 * If you are defining a new debug classification, simply add it to the #define
 119 * list here in the form of
 120 *
 121 * #define IWL_DL_xxxx VALUE
 122 *
 123 * where xxxx should be the name of the classification (for example, WEP).
 124 *
 125 * You then need to either add a IWL_xxxx_DEBUG() macro definition for your
 126 * classification, or use IWL_DEBUG(IWL_DL_xxxx, ...) whenever you want
 127 * to send output to that classification.
 128 *
 129 * The active debug levels can be accessed via files
 130 *
 131 *      /sys/module/iwlwifi/parameters/debug
 132 * when CONFIG_IWLWIFI_DEBUG=y.
 133 *
 134 *      /sys/kernel/debug/phy0/iwlwifi/debug/debug_level
 135 * when CONFIG_IWLWIFI_DEBUGFS=y.
 136 *
 137 */
 138
 139/* 0x0000000F - 0x00000001 */
 140#define IWL_DL_INFO             0x00000001
 141#define IWL_DL_MAC80211         0x00000002
 142#define IWL_DL_HCMD             0x00000004
 143#define IWL_DL_TDLS             0x00000008
 144/* 0x000000F0 - 0x00000010 */
 145#define IWL_DL_QUOTA            0x00000010
 146#define IWL_DL_TE               0x00000020
 147#define IWL_DL_EEPROM           0x00000040
 148#define IWL_DL_RADIO            0x00000080
 149/* 0x00000F00 - 0x00000100 */
 150#define IWL_DL_POWER            0x00000100
 151#define IWL_DL_TEMP             0x00000200
 152#define IWL_DL_RPM              0x00000400
 153#define IWL_DL_SCAN             0x00000800
 154/* 0x0000F000 - 0x00001000 */
 155#define IWL_DL_ASSOC            0x00001000
 156#define IWL_DL_DROP             0x00002000
 157#define IWL_DL_LAR              0x00004000
 158#define IWL_DL_COEX             0x00008000
 159/* 0x000F0000 - 0x00010000 */
 160#define IWL_DL_FW               0x00010000
 161#define IWL_DL_RF_KILL          0x00020000
 162#define IWL_DL_FW_ERRORS        0x00040000
 163/* 0x00F00000 - 0x00100000 */
 164#define IWL_DL_RATE             0x00100000
 165#define IWL_DL_CALIB            0x00200000
 166#define IWL_DL_WEP              0x00400000
 167#define IWL_DL_TX               0x00800000
 168/* 0x0F000000 - 0x01000000 */
 169#define IWL_DL_RX               0x01000000
 170#define IWL_DL_ISR              0x02000000
 171#define IWL_DL_HT               0x04000000
 172#define IWL_DL_EXTERNAL         0x08000000
 173/* 0xF0000000 - 0x10000000 */
 174#define IWL_DL_11H              0x10000000
 175#define IWL_DL_STATS            0x20000000
 176#define IWL_DL_TX_REPLY         0x40000000
 177#define IWL_DL_TX_QUEUES        0x80000000
 178
 179#define IWL_DEBUG_INFO(p, f, a...)      IWL_DEBUG(p, IWL_DL_INFO, f, ## a)
 180#define IWL_DEBUG_TDLS(p, f, a...)      IWL_DEBUG(p, IWL_DL_TDLS, f, ## a)
 181#define IWL_DEBUG_MAC80211(p, f, a...)  IWL_DEBUG(p, IWL_DL_MAC80211, f, ## a)
 182#define IWL_DEBUG_EXTERNAL(p, f, a...)  IWL_DEBUG(p, IWL_DL_EXTERNAL, f, ## a)
 183#define IWL_DEBUG_TEMP(p, f, a...)      IWL_DEBUG(p, IWL_DL_TEMP, f, ## a)
 184#define IWL_DEBUG_SCAN(p, f, a...)      IWL_DEBUG(p, IWL_DL_SCAN, f, ## a)
 185#define IWL_DEBUG_RX(p, f, a...)        IWL_DEBUG(p, IWL_DL_RX, f, ## a)
 186#define IWL_DEBUG_TX(p, f, a...)        IWL_DEBUG(p, IWL_DL_TX, f, ## a)
 187#define IWL_DEBUG_ISR(p, f, a...)       IWL_DEBUG(p, IWL_DL_ISR, f, ## a)
 188#define IWL_DEBUG_WEP(p, f, a...)       IWL_DEBUG(p, IWL_DL_WEP, f, ## a)
 189#define IWL_DEBUG_HC(p, f, a...)        IWL_DEBUG(p, IWL_DL_HCMD, f, ## a)
 190#define IWL_DEBUG_QUOTA(p, f, a...)     IWL_DEBUG(p, IWL_DL_QUOTA, f, ## a)
 191#define IWL_DEBUG_TE(p, f, a...)        IWL_DEBUG(p, IWL_DL_TE, f, ## a)
 192#define IWL_DEBUG_EEPROM(d, f, a...)    IWL_DEBUG_DEV(d, IWL_DL_EEPROM, f, ## a)
 193#define IWL_DEBUG_CALIB(p, f, a...)     IWL_DEBUG(p, IWL_DL_CALIB, f, ## a)
 194#define IWL_DEBUG_FW(p, f, a...)        IWL_DEBUG(p, IWL_DL_FW, f, ## a)
 195#define IWL_DEBUG_RF_KILL(p, f, a...)   IWL_DEBUG(p, IWL_DL_RF_KILL, f, ## a)
 196#define IWL_DEBUG_FW_ERRORS(p, f, a...) IWL_DEBUG(p, IWL_DL_FW_ERRORS, f, ## a)
 197#define IWL_DEBUG_DROP(p, f, a...)      IWL_DEBUG(p, IWL_DL_DROP, f, ## a)
 198#define IWL_DEBUG_DROP_LIMIT(p, f, a...)        \
 199                IWL_DEBUG_LIMIT(p, IWL_DL_DROP, f, ## a)
 200#define IWL_DEBUG_COEX(p, f, a...)      IWL_DEBUG(p, IWL_DL_COEX, f, ## a)
 201#define IWL_DEBUG_RATE(p, f, a...)      IWL_DEBUG(p, IWL_DL_RATE, f, ## a)
 202#define IWL_DEBUG_RATE_LIMIT(p, f, a...)        \
 203                IWL_DEBUG_LIMIT(p, IWL_DL_RATE, f, ## a)
 204#define IWL_DEBUG_ASSOC(p, f, a...)     \
 205                IWL_DEBUG(p, IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
 206#define IWL_DEBUG_ASSOC_LIMIT(p, f, a...)       \
 207                IWL_DEBUG_LIMIT(p, IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
 208#define IWL_DEBUG_HT(p, f, a...)        IWL_DEBUG(p, IWL_DL_HT, f, ## a)
 209#define IWL_DEBUG_STATS(p, f, a...)     IWL_DEBUG(p, IWL_DL_STATS, f, ## a)
 210#define IWL_DEBUG_STATS_LIMIT(p, f, a...)       \
 211                IWL_DEBUG_LIMIT(p, IWL_DL_STATS, f, ## a)
 212#define IWL_DEBUG_TX_REPLY(p, f, a...)  IWL_DEBUG(p, IWL_DL_TX_REPLY, f, ## a)
 213#define IWL_DEBUG_TX_QUEUES(p, f, a...) IWL_DEBUG(p, IWL_DL_TX_QUEUES, f, ## a)
 214#define IWL_DEBUG_RADIO(p, f, a...)     IWL_DEBUG(p, IWL_DL_RADIO, f, ## a)
 215#define IWL_DEBUG_DEV_RADIO(p, f, a...) IWL_DEBUG_DEV(p, IWL_DL_RADIO, f, ## a)
 216#define IWL_DEBUG_POWER(p, f, a...)     IWL_DEBUG(p, IWL_DL_POWER, f, ## a)
 217#define IWL_DEBUG_11H(p, f, a...)       IWL_DEBUG(p, IWL_DL_11H, f, ## a)
 218#define IWL_DEBUG_RPM(p, f, a...)       IWL_DEBUG(p, IWL_DL_RPM, f, ## a)
 219#define IWL_DEBUG_LAR(p, f, a...)       IWL_DEBUG(p, IWL_DL_LAR, f, ## a)
 220
 221#endif
 222