112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NET_BATMAN_ADV_LOG_H_
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#define _NET_BATMAN_ADV_LOG_H_
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#include "main.h"
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#include <linux/bitops.h>
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#include <linux/compiler.h>
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#include <linux/printk.h>
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#ifdef CONFIG_BATMAN_ADV_DEBUG
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int batadv_debug_log_setup(struct batadv_priv *bat_priv);
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void batadv_debug_log_cleanup(struct batadv_priv *bat_priv);
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#else
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static inline int batadv_debug_log_setup(struct batadv_priv *bat_priv)
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{
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return 0;
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}
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static inline void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
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{
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}
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#endif
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/**
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* enum batadv_dbg_level - available log levels
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* @BATADV_DBG_BATMAN: OGM and TQ computations related messages
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* @BATADV_DBG_ROUTES: route added / changed / deleted
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* @BATADV_DBG_TT: translation table messages
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* @BATADV_DBG_BLA: bridge loop avoidance messages
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* @BATADV_DBG_DAT: ARP snooping and DAT related messages
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* @BATADV_DBG_NC: network coding related messages
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* @BATADV_DBG_MCAST: multicast related messages
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* @BATADV_DBG_TP_METER: throughput meter messages
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* @BATADV_DBG_ALL: the union of all the above log levels
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*/
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enum batadv_dbg_level {
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BATADV_DBG_BATMAN = BIT(0),
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BATADV_DBG_ROUTES = BIT(1),
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BATADV_DBG_TT = BIT(2),
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BATADV_DBG_BLA = BIT(3),
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BATADV_DBG_DAT = BIT(4),
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BATADV_DBG_NC = BIT(5),
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BATADV_DBG_MCAST = BIT(6),
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BATADV_DBG_TP_METER = BIT(7),
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BATADV_DBG_ALL = 255,
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};
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#ifdef CONFIG_BATMAN_ADV_DEBUG
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int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
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__printf(2, 3);
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/* possibly ratelimited debug output */
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#define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...) \
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do { \
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if (atomic_read(&(bat_priv)->log_level) & (type) && \
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(!(ratelimited) || net_ratelimit())) \
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batadv_debug_log(bat_priv, fmt, ## arg); \
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} \
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while (0)
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#else /* !CONFIG_BATMAN_ADV_DEBUG */
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__printf(4, 5)
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static inline void _batadv_dbg(int type __always_unused,
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struct batadv_priv *bat_priv __always_unused,
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int ratelimited __always_unused,
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const char *fmt __always_unused, ...)
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{
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}
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#endif
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#define batadv_dbg(type, bat_priv, arg...) \
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_batadv_dbg(type, bat_priv, 0, ## arg)
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#define batadv_dbg_ratelimited(type, bat_priv, arg...) \
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_batadv_dbg(type, bat_priv, 1, ## arg)
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#define batadv_info(net_dev, fmt, arg...) \
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do { \
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struct net_device *_netdev = (net_dev); \
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struct batadv_priv *_batpriv = netdev_priv(_netdev); \
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batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
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pr_info("%s: " fmt, _netdev->name, ## arg); \
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} while (0)
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#define batadv_err(net_dev, fmt, arg...) \
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do { \
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struct net_device *_netdev = (net_dev); \
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struct batadv_priv *_batpriv = netdev_priv(_netdev); \
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batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
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pr_err("%s: " fmt, _netdev->name, ## arg); \
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} while (0)
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#endif /* _NET_BATMAN_ADV_LOG_H_ */
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