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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2007-2020 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) rate limiting * @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 rate limiting * @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 rate limiting * @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_ */ |