/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _LINUX_DROPREASON_H #define _LINUX_DROPREASON_H #include <net/dropreason-core.h> /** * enum skb_drop_reason_subsys - subsystem tag for (extended) drop reasons */ enum skb_drop_reason_subsys { /** @SKB_DROP_REASON_SUBSYS_CORE: core drop reasons defined above */ SKB_DROP_REASON_SUBSYS_CORE, /** * @SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE: mac80211 drop reasons * for unusable frames, see net/mac80211/drop.h */ SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE, /** * @SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR: mac80211 drop reasons * for frames still going to monitor, see net/mac80211/drop.h */ SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR, /** @SKB_DROP_REASON_SUBSYS_NUM: number of subsystems defined */ SKB_DROP_REASON_SUBSYS_NUM }; struct drop_reason_list { const char * const *reasons; size_t n_reasons; }; /* Note: due to dynamic registrations, access must be under RCU */ extern const struct drop_reason_list __rcu * drop_reasons_by_subsys[SKB_DROP_REASON_SUBSYS_NUM]; void drop_reasons_register_subsys(enum skb_drop_reason_subsys subsys, const struct drop_reason_list *list); void drop_reasons_unregister_subsys(enum skb_drop_reason_subsys subsys); #endif