mirror of
https://github.com/torvalds/linux.git
synced 2024-11-27 06:31:52 +00:00
47d4522dd5
main.h is using atomic_add_unless and log.h atomic_read. The main header linux/atomic.h should be included for these files. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
|
|
*
|
|
* Marek Lindner, Simon Wunderlich
|
|
*/
|
|
|
|
#ifndef _NET_BATMAN_ADV_LOG_H_
|
|
#define _NET_BATMAN_ADV_LOG_H_
|
|
|
|
#include "main.h"
|
|
|
|
#include <linux/atomic.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/compiler.h>
|
|
#include <linux/printk.h>
|
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUG
|
|
|
|
int batadv_debug_log_setup(struct batadv_priv *bat_priv);
|
|
void batadv_debug_log_cleanup(struct batadv_priv *bat_priv);
|
|
|
|
#else
|
|
|
|
static inline int batadv_debug_log_setup(struct batadv_priv *bat_priv)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
/**
|
|
* enum batadv_dbg_level - available log levels
|
|
*/
|
|
enum batadv_dbg_level {
|
|
/** @BATADV_DBG_BATMAN: OGM and TQ computations related messages */
|
|
BATADV_DBG_BATMAN = BIT(0),
|
|
|
|
/** @BATADV_DBG_ROUTES: route added / changed / deleted */
|
|
BATADV_DBG_ROUTES = BIT(1),
|
|
|
|
/** @BATADV_DBG_TT: translation table messages */
|
|
BATADV_DBG_TT = BIT(2),
|
|
|
|
/** @BATADV_DBG_BLA: bridge loop avoidance messages */
|
|
BATADV_DBG_BLA = BIT(3),
|
|
|
|
/** @BATADV_DBG_DAT: ARP snooping and DAT related messages */
|
|
BATADV_DBG_DAT = BIT(4),
|
|
|
|
/** @BATADV_DBG_NC: network coding related messages */
|
|
BATADV_DBG_NC = BIT(5),
|
|
|
|
/** @BATADV_DBG_MCAST: multicast related messages */
|
|
BATADV_DBG_MCAST = BIT(6),
|
|
|
|
/** @BATADV_DBG_TP_METER: throughput meter messages */
|
|
BATADV_DBG_TP_METER = BIT(7),
|
|
|
|
/** @BATADV_DBG_ALL: the union of all the above log levels */
|
|
BATADV_DBG_ALL = 255,
|
|
};
|
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUG
|
|
int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
|
|
__printf(2, 3);
|
|
|
|
/**
|
|
* _batadv_dbg() - Store debug output with(out) ratelimiting
|
|
* @type: type of debug message
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
* @ratelimited: whether output should be rate limited
|
|
* @fmt: format string
|
|
* @arg...: variable arguments
|
|
*/
|
|
#define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...) \
|
|
do { \
|
|
struct batadv_priv *__batpriv = (bat_priv); \
|
|
if (atomic_read(&__batpriv->log_level) & (type) && \
|
|
(!(ratelimited) || net_ratelimit())) \
|
|
batadv_debug_log(__batpriv, fmt, ## arg); \
|
|
} \
|
|
while (0)
|
|
#else /* !CONFIG_BATMAN_ADV_DEBUG */
|
|
__printf(4, 5)
|
|
static inline void _batadv_dbg(int type __always_unused,
|
|
struct batadv_priv *bat_priv __always_unused,
|
|
int ratelimited __always_unused,
|
|
const char *fmt __always_unused, ...)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* batadv_dbg() - Store debug output without ratelimiting
|
|
* @type: type of debug message
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
* @arg...: format string and variable arguments
|
|
*/
|
|
#define batadv_dbg(type, bat_priv, arg...) \
|
|
_batadv_dbg(type, bat_priv, 0, ## arg)
|
|
|
|
/**
|
|
* batadv_dbg_ratelimited() - Store debug output with ratelimiting
|
|
* @type: type of debug message
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
* @arg...: format string and variable arguments
|
|
*/
|
|
#define batadv_dbg_ratelimited(type, bat_priv, arg...) \
|
|
_batadv_dbg(type, bat_priv, 1, ## arg)
|
|
|
|
/**
|
|
* batadv_info() - Store message in debug buffer and print it to kmsg buffer
|
|
* @net_dev: the soft interface net device
|
|
* @fmt: format string
|
|
* @arg...: variable arguments
|
|
*/
|
|
#define batadv_info(net_dev, fmt, arg...) \
|
|
do { \
|
|
struct net_device *_netdev = (net_dev); \
|
|
struct batadv_priv *_batpriv = netdev_priv(_netdev); \
|
|
batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
|
|
pr_info("%s: " fmt, _netdev->name, ## arg); \
|
|
} while (0)
|
|
|
|
/**
|
|
* batadv_err() - Store error in debug buffer and print it to kmsg buffer
|
|
* @net_dev: the soft interface net device
|
|
* @fmt: format string
|
|
* @arg...: variable arguments
|
|
*/
|
|
#define batadv_err(net_dev, fmt, arg...) \
|
|
do { \
|
|
struct net_device *_netdev = (net_dev); \
|
|
struct batadv_priv *_batpriv = netdev_priv(_netdev); \
|
|
batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
|
|
pr_err("%s: " fmt, _netdev->name, ## arg); \
|
|
} while (0)
|
|
|
|
#endif /* _NET_BATMAN_ADV_LOG_H_ */
|