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
49 enum batadv_dbg_level {
50 /** @BATADV_DBG_BATMAN: OGM and TQ computations related messages */
51 BATADV_DBG_BATMAN = BIT(0),
53 /** @BATADV_DBG_ROUTES: route added / changed / deleted */
54 BATADV_DBG_ROUTES = BIT(1),
56 /** @BATADV_DBG_TT: translation table messages */
57 BATADV_DBG_TT = BIT(2),
59 /** @BATADV_DBG_BLA: bridge loop avoidance messages */
60 BATADV_DBG_BLA = BIT(3),
62 /** @BATADV_DBG_DAT: ARP snooping and DAT related messages */
63 BATADV_DBG_DAT = BIT(4),
65 /** @BATADV_DBG_NC: network coding related messages */
66 BATADV_DBG_NC = BIT(5),
68 /** @BATADV_DBG_MCAST: multicast related messages */
69 BATADV_DBG_MCAST = BIT(6),
71 /** @BATADV_DBG_TP_METER: throughput meter messages */
72 BATADV_DBG_TP_METER = BIT(7),
74 /** @BATADV_DBG_ALL: the union of all the above log levels */
78 #ifdef CONFIG_BATMAN_ADV_DEBUG
79 int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
82 /* possibly ratelimited debug output */
83 #define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...) \
85 struct batadv_priv *__batpriv = (bat_priv); \
86 if (atomic_read(&__batpriv->log_level) & (type) && \
87 (!(ratelimited) || net_ratelimit())) \
88 batadv_debug_log(__batpriv, fmt, ## arg); \
91 #else /* !CONFIG_BATMAN_ADV_DEBUG */
93 static inline void _batadv_dbg(int type __always_unused,
94 struct batadv_priv *bat_priv __always_unused,
95 int ratelimited __always_unused,
96 const char *fmt __always_unused, ...)
101 #define batadv_dbg(type, bat_priv, arg...) \
102 _batadv_dbg(type, bat_priv, 0, ## arg)
103 #define batadv_dbg_ratelimited(type, bat_priv, arg...) \
104 _batadv_dbg(type, bat_priv, 1, ## arg)
106 #define batadv_info(net_dev, fmt, arg...) \
108 struct net_device *_netdev = (net_dev); \
109 struct batadv_priv *_batpriv = netdev_priv(_netdev); \
110 batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
111 pr_info("%s: " fmt, _netdev->name, ## arg); \
113 #define batadv_err(net_dev, fmt, arg...) \
115 struct net_device *_netdev = (net_dev); \
116 struct batadv_priv *_batpriv = netdev_priv(_netdev); \
117 batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
118 pr_err("%s: " fmt, _netdev->name, ## arg); \
121 #endif /* _NET_BATMAN_ADV_LOG_H_ */