diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2021-10-17 16:26:03 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-10-22 10:49:03 +0300 |
| commit | e5f1cc98cc1bd07bc6d4f75e34d89db06a2f8bdb (patch) | |
| tree | 0ded6654201e6c415e5a6a8f0d66b5dc59017b0a /drivers/net/wireless/intel/iwlwifi/iwl-debug.c | |
| parent | 6b1259d1046ce068dc5448b65c26534fb22e37ac (diff) | |
iwlwifi: allow rate-limited error messages
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>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-debug.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-debug.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-debug.c b/drivers/net/wireless/intel/iwlwifi/iwl-debug.c index f6ca2fc37c40..ae4c2a3d63d5 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-debug.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-debug.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2005-2011 Intel Corporation + * Copyright (C) 2005-2011, 2021 Intel Corporation */ #include <linux/device.h> #include <linux/interrupt.h> @@ -31,21 +31,31 @@ IWL_EXPORT_SYMBOL(__iwl_info); __iwl_fn(crit) IWL_EXPORT_SYMBOL(__iwl_crit); -void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only, - const char *fmt, ...) +void __iwl_err(struct device *dev, enum iwl_err_mode mode, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; - va_list args; + va_list args, args2; va_start(args, fmt); - vaf.va = &args; - if (!trace_only) { - if (rfkill_prefix) + switch (mode) { + case IWL_ERR_MODE_RATELIMIT: + if (net_ratelimit()) + break; + fallthrough; + case IWL_ERR_MODE_REGULAR: + case IWL_ERR_MODE_RFKILL: + va_copy(args2, args); + vaf.va = &args2; + if (mode == IWL_ERR_MODE_RFKILL) dev_err(dev, "(RFKILL) %pV", &vaf); else dev_err(dev, "%pV", &vaf); + va_end(args2); + break; + default: + break; } trace_iwlwifi_err(&vaf); va_end(args); |