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  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called COPYING.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <linuxwifi@intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  *
  40  *  * Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  *  * Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
  45  *    distribution.
  46  *  * Neither the name Intel Corporation nor the names of its
  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *
  62  *****************************************************************************/
  63
  64 #include <linux/device.h>
  65 #include <linux/interrupt.h>
  66 #include <linux/export.h>
  67 #include "iwl-drv.h"
  68 #include "iwl-debug.h"
  69 #include "iwl-devtrace.h"
  70
  71 #define __iwl_fn(fn)                                            \
  72 void __iwl_ ##fn(struct device *dev, const char *fmt, ...)      \
  73 {                                                               \
  74         struct va_format vaf = {                                \
  75                 .fmt = fmt,                                     \
  76         };                                                      \
  77         va_list args;                                           \
  78                                                                 \
  79         va_start(args, fmt);                                    \
  80         vaf.va = &args;                                         \
  81         dev_ ##fn(dev, "%pV", &vaf);                            \
  82         trace_iwlwifi_ ##fn(&vaf);                              \
  83         va_end(args);                                           \
  84 }
  85
  86 __iwl_fn(warn)
  87 IWL_EXPORT_SYMBOL(__iwl_warn);
  88 __iwl_fn(info)
  89 IWL_EXPORT_SYMBOL(__iwl_info);
  90 __iwl_fn(crit)
  91 IWL_EXPORT_SYMBOL(__iwl_crit);
  92
  93 void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only,
  94                 const char *fmt, ...)
  95 {
  96         struct va_format vaf = {
  97                 .fmt = fmt,
  98         };
  99         va_list args;
 100
 101         va_start(args, fmt);
 102         vaf.va = &args;
 103         if (!trace_only) {
 104                 if (rfkill_prefix)
 105                         dev_err(dev, "(RFKILL) %pV", &vaf);
 106                 else
 107                         dev_err(dev, "%pV", &vaf);
 108         }
 109         trace_iwlwifi_err(&vaf);
 110         va_end(args);
 111 }
 112 IWL_EXPORT_SYMBOL(__iwl_err);
 113
 114 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
 115 void __iwl_dbg(struct device *dev,
 116                u32 level, bool limit, const char *function,
 117                const char *fmt, ...)
 118 {
 119         struct va_format vaf = {
 120                 .fmt = fmt,
 121         };
 122         va_list args;
 123
 124         va_start(args, fmt);
 125         vaf.va = &args;
 126 #ifdef CONFIG_IWLWIFI_DEBUG
 127         if (iwl_have_debug_level(level) &&
 128             (!limit || net_ratelimit()))
 129                 dev_printk(KERN_DEBUG, dev, "%c %s %pV",
 130                            in_interrupt() ? 'I' : 'U', function, &vaf);
 131 #endif
 132         trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf);
 133         va_end(args);
 134 }
 135 IWL_EXPORT_SYMBOL(__iwl_dbg);
 136 #endif