1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors:
4 * Marek Lindner, Simon Wunderlich
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 #ifndef _NET_BATMAN_ADV_LOG_H_
20 #define _NET_BATMAN_ADV_LOG_H_
24 #include <linux/bitops.h>
25 #include <linux/compiler.h>
26 #include <linux/printk.h>
28 #ifdef CONFIG_BATMAN_ADV_DEBUG
30 int batadv_debug_log_setup(struct batadv_priv *bat_priv);
31 void batadv_debug_log_cleanup(struct batadv_priv *bat_priv);
35 static inline int batadv_debug_log_setup(struct batadv_priv *bat_priv)
40 static inline void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
47 * enum batadv_dbg_level - available log levels
48 * @BATADV_DBG_BATMAN: OGM and TQ computations related messages
49 * @BATADV_DBG_ROUTES: route added / changed / deleted
50 * @BATADV_DBG_TT: translation table messages
51 * @BATADV_DBG_BLA: bridge loop avoidance messages
52 * @BATADV_DBG_DAT: ARP snooping and DAT related messages
53 * @BATADV_DBG_NC: network coding related messages
54 * @BATADV_DBG_MCAST: multicast related messages
55 * @BATADV_DBG_TP_METER: throughput meter messages
56 * @BATADV_DBG_ALL: the union of all the above log levels
58 enum batadv_dbg_level {
59 BATADV_DBG_BATMAN = BIT(0),
60 BATADV_DBG_ROUTES = BIT(1),
61 BATADV_DBG_TT = BIT(2),
62 BATADV_DBG_BLA = BIT(3),
63 BATADV_DBG_DAT = BIT(4),
64 BATADV_DBG_NC = BIT(5),
65 BATADV_DBG_MCAST = BIT(6),
66 BATADV_DBG_TP_METER = BIT(7),
70 #ifdef CONFIG_BATMAN_ADV_DEBUG
71 int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
74 /* possibly ratelimited debug output */
75 #define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...) \
77 struct batadv_priv *__batpriv = (bat_priv); \
78 if (atomic_read(&__batpriv->log_level) & (type) && \
79 (!(ratelimited) || net_ratelimit())) \
80 batadv_debug_log(__batpriv, fmt, ## arg); \
83 #else /* !CONFIG_BATMAN_ADV_DEBUG */
85 static inline void _batadv_dbg(int type __always_unused,
86 struct batadv_priv *bat_priv __always_unused,
87 int ratelimited __always_unused,
88 const char *fmt __always_unused, ...)
93 #define batadv_dbg(type, bat_priv, arg...) \
94 _batadv_dbg(type, bat_priv, 0, ## arg)
95 #define batadv_dbg_ratelimited(type, bat_priv, arg...) \
96 _batadv_dbg(type, bat_priv, 1, ## arg)
98 #define batadv_info(net_dev, fmt, arg...) \
100 struct net_device *_netdev = (net_dev); \
101 struct batadv_priv *_batpriv = netdev_priv(_netdev); \
102 batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
103 pr_info("%s: " fmt, _netdev->name, ## arg); \
105 #define batadv_err(net_dev, fmt, arg...) \
107 struct net_device *_netdev = (net_dev); \
108 struct batadv_priv *_batpriv = netdev_priv(_netdev); \
109 batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
110 pr_err("%s: " fmt, _netdev->name, ## arg); \
113 #endif /* _NET_BATMAN_ADV_LOG_H_ */