drivers/net/wireless/intel/iwlwifi/iwl-debug.c

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * The full GNU General Public License is included in this distribution
  20  * in the file called COPYING.
  21  *
  22  * Contact Information:
  23  *  Intel Linux Wireless <linuxwifi@intel.com>
  24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25  *
  26  * BSD LICENSE
  27  *
  28  * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
  29  * All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  *
  35  *  * Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  *  * Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in
  39  *    the documentation and/or other materials provided with the
  40  *    distribution.
  41  *  * Neither the name Intel Corporation nor the names of its
  42  *    contributors may be used to endorse or promote products derived
  43  *    from this software without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  49  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  50  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  51  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  52  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  53  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  54  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  55  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  *
  57  *****************************************************************************/
  58
  59 #include <linux/device.h>
  60 #include <linux/interrupt.h>
  61 #include <linux/export.h>
  62 #include "iwl-drv.h"
  63 #include "iwl-debug.h"
  64 #include "iwl-devtrace.h"
  65
  66 #define __iwl_fn(fn)                                            \
  67 void __iwl_ ##fn(struct device *dev, const char *fmt, ...)      \
  68 {                                                               \
  69         struct va_format vaf = {                                \
  70                 .fmt = fmt,                                     \
  71         };                                                      \
  72         va_list args;                                           \
  73                                                                 \
  74         va_start(args, fmt);                                    \
  75         vaf.va = &args;                                         \
  76         dev_ ##fn(dev, "%pV", &vaf);                            \
  77         trace_iwlwifi_ ##fn(&vaf);                              \
  78         va_end(args);                                           \
  79 }
  80
  81 __iwl_fn(warn)
  82 IWL_EXPORT_SYMBOL(__iwl_warn);
  83 __iwl_fn(info)
  84 IWL_EXPORT_SYMBOL(__iwl_info);
  85 __iwl_fn(crit)
  86 IWL_EXPORT_SYMBOL(__iwl_crit);
  87
  88 void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only,
  89                 const char *fmt, ...)
  90 {
  91         struct va_format vaf = {
  92                 .fmt = fmt,
  93         };
  94         va_list args;
  95
  96         va_start(args, fmt);
  97         vaf.va = &args;
  98         if (!trace_only) {
  99                 if (rfkill_prefix)
 100                         dev_err(dev, "(RFKILL) %pV", &vaf);
 101                 else
 102                         dev_err(dev, "%pV", &vaf);
 103         }
 104         trace_iwlwifi_err(&vaf);
 105         va_end(args);
 106 }
 107 IWL_EXPORT_SYMBOL(__iwl_err);
 108
 109 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
 110 void __iwl_dbg(struct device *dev,
 111                u32 level, bool limit, const char *function,
 112                const char *fmt, ...)
 113 {
 114         struct va_format vaf = {
 115                 .fmt = fmt,
 116         };
 117         va_list args;
 118
 119         va_start(args, fmt);
 120         vaf.va = &args;
 121 #ifdef CONFIG_IWLWIFI_DEBUG
 122         if (iwl_have_debug_level(level) &&
 123             (!limit || net_ratelimit()))
 124                 dev_printk(KERN_DEBUG, dev, "%c %s %pV",
 125                            in_interrupt() ? 'I' : 'U', function, &vaf);
 126 #endif
 127         trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf);
 128         va_end(args);
 129 }
 130 IWL_EXPORT_SYMBOL(__iwl_dbg);
 131 #endif