linux-stable/net/mac80211/trace_msg.h
Andrei Otcheretianski 78be2d21cc mac80211: Increase MAX_MSG_LEN
Looks that 100 chars isn't enough for messages, as we keep getting
warnings popping from different places due to message shortening.
Instead of trying to shorten the prints, just increase the buffer size.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-03-29 11:20:36 +01:00

59 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Portions of this file
* Copyright (C) 2019 Intel Corporation
*/
#ifdef CONFIG_MAC80211_MESSAGE_TRACING
#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
#define __MAC80211_MSG_DRIVER_TRACE
#include <linux/tracepoint.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mac80211_msg
#define MAX_MSG_LEN 120
DECLARE_EVENT_CLASS(mac80211_msg_event,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf),
TP_STRUCT__entry(
__dynamic_array(char, msg, MAX_MSG_LEN)
),
TP_fast_assign(
WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
MAX_MSG_LEN, vaf->fmt,
*vaf->va) >= MAX_MSG_LEN);
),
TP_printk("%s", __get_str(msg))
);
DEFINE_EVENT(mac80211_msg_event, mac80211_info,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(mac80211_msg_event, mac80211_err,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
#endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace_msg
#include <trace/define_trace.h>
#endif