e5f1cc98cc
Sometimes we might want to have an error message for something related to TX/RX, but if that somehow happens frequently it'll overwhelm the logs. Add IWL_ERR_LIMIT() to alleviate that by rate-limiting those messages. To do this, rework __iwl_err() a bit to have a mode argument instead of passing yet another (bool) argument to it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20211017162352.2cb1e6b75672.Iec5b1c1bcc6ebc87c586921a6c5c2a937f49e83c@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2005-2011, 2021 Intel Corporation
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*/
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#include <linux/device.h>
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#include <linux/interrupt.h>
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#include <linux/export.h>
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#include "iwl-drv.h"
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#include "iwl-debug.h"
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#include "iwl-devtrace.h"
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#define __iwl_fn(fn) \
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void __iwl_ ##fn(struct device *dev, const char *fmt, ...) \
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{ \
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struct va_format vaf = { \
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.fmt = fmt, \
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}; \
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va_list args; \
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\
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va_start(args, fmt); \
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vaf.va = &args; \
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dev_ ##fn(dev, "%pV", &vaf); \
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trace_iwlwifi_ ##fn(&vaf); \
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va_end(args); \
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}
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__iwl_fn(warn)
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IWL_EXPORT_SYMBOL(__iwl_warn);
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__iwl_fn(info)
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IWL_EXPORT_SYMBOL(__iwl_info);
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__iwl_fn(crit)
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IWL_EXPORT_SYMBOL(__iwl_crit);
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void __iwl_err(struct device *dev, enum iwl_err_mode mode, const char *fmt, ...)
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{
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struct va_format vaf = {
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.fmt = fmt,
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};
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va_list args, args2;
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va_start(args, fmt);
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switch (mode) {
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case IWL_ERR_MODE_RATELIMIT:
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if (net_ratelimit())
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break;
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fallthrough;
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case IWL_ERR_MODE_REGULAR:
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case IWL_ERR_MODE_RFKILL:
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va_copy(args2, args);
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vaf.va = &args2;
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if (mode == IWL_ERR_MODE_RFKILL)
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dev_err(dev, "(RFKILL) %pV", &vaf);
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else
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dev_err(dev, "%pV", &vaf);
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va_end(args2);
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break;
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default:
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break;
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}
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trace_iwlwifi_err(&vaf);
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va_end(args);
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}
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IWL_EXPORT_SYMBOL(__iwl_err);
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#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
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void __iwl_dbg(struct device *dev,
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u32 level, bool limit, const char *function,
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const char *fmt, ...)
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{
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struct va_format vaf = {
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.fmt = fmt,
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};
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va_list args;
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va_start(args, fmt);
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vaf.va = &args;
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#ifdef CONFIG_IWLWIFI_DEBUG
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if (iwl_have_debug_level(level) &&
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(!limit || net_ratelimit()))
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dev_printk(KERN_DEBUG, dev, "%s %pV", function, &vaf);
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#endif
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trace_iwlwifi_dbg(level, function, &vaf);
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va_end(args);
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}
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IWL_EXPORT_SYMBOL(__iwl_dbg);
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#endif
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