intel/iwlwifi/iwl-debug.c

0001 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
0002 /*
0003  * Copyright (C) 2005-2011, 2021 Intel Corporation
0004  */
0005 #include <linux/device.h>
0006 #include <linux/interrupt.h>
0007 #include <linux/export.h>
0008 #include "iwl-drv.h"
0009 #include "iwl-debug.h"
0010 #include "iwl-devtrace.h"
0011
0012 #define __iwl_fn(fn)                        \
0013 void __iwl_ ##fn(struct device *dev, const char *fmt, ...)  \
0014 {                               \
0015     struct va_format vaf = {                \
0016         .fmt = fmt,                 \
0017     };                          \
0018     va_list args;                       \
0019                                 \
0020     va_start(args, fmt);                    \
0021     vaf.va = &args;                     \
0022     dev_ ##fn(dev, "%pV", &vaf);                \
0023     trace_iwlwifi_ ##fn(&vaf);              \
0024     va_end(args);                       \
0025 }
0026
0027 __iwl_fn(warn)
0028 IWL_EXPORT_SYMBOL(__iwl_warn);
0029 __iwl_fn(info)
0030 IWL_EXPORT_SYMBOL(__iwl_info);
0031 __iwl_fn(crit)
0032 IWL_EXPORT_SYMBOL(__iwl_crit);
0033
0034 void __iwl_err(struct device *dev, enum iwl_err_mode mode, const char *fmt, ...)
0035 {
0036     struct va_format vaf = {
0037         .fmt = fmt,
0038     };
0039     va_list args, args2;
0040
0041     va_start(args, fmt);
0042     switch (mode) {
0043     case IWL_ERR_MODE_RATELIMIT:
0044         if (net_ratelimit())
0045             break;
0046         fallthrough;
0047     case IWL_ERR_MODE_REGULAR:
0048     case IWL_ERR_MODE_RFKILL:
0049         va_copy(args2, args);
0050         vaf.va = &args2;
0051         if (mode == IWL_ERR_MODE_RFKILL)
0052             dev_err(dev, "(RFKILL) %pV", &vaf);
0053         else
0054             dev_err(dev, "%pV", &vaf);
0055         va_end(args2);
0056         break;
0057     default:
0058         break;
0059     }
0060     trace_iwlwifi_err(&vaf);
0061     va_end(args);
0062 }
0063 IWL_EXPORT_SYMBOL(__iwl_err);
0064
0065 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
0066 void __iwl_dbg(struct device *dev,
0067            u32 level, bool limit, const char *function,
0068            const char *fmt, ...)
0069 {
0070     struct va_format vaf = {
0071         .fmt = fmt,
0072     };
0073     va_list args;
0074
0075     va_start(args, fmt);
0076     vaf.va = &args;
0077 #ifdef CONFIG_IWLWIFI_DEBUG
0078     if (iwl_have_debug_level(level) &&
0079         (!limit || net_ratelimit()))
0080         dev_printk(KERN_DEBUG, dev, "%s %pV", function, &vaf);
0081 #endif
0082     trace_iwlwifi_dbg(level, function, &vaf);
0083     va_end(args);
0084 }
0085 IWL_EXPORT_SYMBOL(__iwl_dbg);
0086 #endif