drivers/net/wireless/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 <ilw@linux.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.
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  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
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  48  *    from this software without specific prior written permission.
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  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  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,
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  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  62  *****************************************************************************/
  63
  64 #define DEBUG
  65
  66 #include <linux/device.h>
  67 #include <linux/interrupt.h>
  68 #include <linux/export.h>
  69 #include "iwl-drv.h"
  70 #include "iwl-debug.h"
  71 #include "iwl-devtrace.h"
  72
  73 #define __iwl_fn(fn)                                            \
  74 void __iwl_ ##fn(struct device *dev, const char *fmt, ...)      \
  75 {                                                               \
  76         struct va_format vaf = {                                \
  77                 .fmt = fmt,                                     \
  78         };                                                      \
  79         va_list args;                                           \
  80                                                                 \
  81         va_start(args, fmt);                                    \
  82         vaf.va = &args;                                         \
  83         dev_ ##fn(dev, "%pV", &vaf);                            \
  84         trace_iwlwifi_ ##fn(&vaf);                              \
  85         va_end(args);                                           \
  86 }
  87
  88 __iwl_fn(warn)
  89 IWL_EXPORT_SYMBOL(__iwl_warn);
  90 __iwl_fn(info)
  91 IWL_EXPORT_SYMBOL(__iwl_info);
  92 __iwl_fn(crit)
  93 IWL_EXPORT_SYMBOL(__iwl_crit);
  94
  95 void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only,
  96                 const char *fmt, ...)
  97 {
  98         struct va_format vaf = {
  99                 .fmt = fmt,
 100         };
 101         va_list args;
 102
 103         va_start(args, fmt);
 104         vaf.va = &args;
 105         if (!trace_only) {
 106                 if (rfkill_prefix)
 107                         dev_err(dev, "(RFKILL) %pV", &vaf);
 108                 else
 109                         dev_err(dev, "%pV", &vaf);
 110         }
 111         trace_iwlwifi_err(&vaf);
 112         va_end(args);
 113 }
 114 IWL_EXPORT_SYMBOL(__iwl_err);
 115
 116 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
 117 void __iwl_dbg(struct device *dev,
 118                u32 level, bool limit, const char *function,
 119                const char *fmt, ...)
 120 {
 121         struct va_format vaf = {
 122                 .fmt = fmt,
 123         };
 124         va_list args;
 125
 126         va_start(args, fmt);
 127         vaf.va = &args;
 128 #ifdef CONFIG_IWLWIFI_DEBUG
 129         if (iwl_have_debug_level(level) &&
 130             (!limit || net_ratelimit()))
 131                 dev_dbg(dev, "%c %s %pV", in_interrupt() ? 'I' : 'U',
 132                         function, &vaf);
 133 #endif
 134         trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf);
 135         va_end(args);
 136 }
 137 IWL_EXPORT_SYMBOL(__iwl_dbg);
 138 #endif