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/* 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_OPENVSWITCH: openvswitch drop reasons,
* see net/openvswitch/drop.h
*/
SKB_DROP_REASON_SUBSYS_OPENVSWITCH,
/** @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
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