[linux-block.git] / net / mac80211 / drop.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * mac80211 drop reason list
 *
 * Copyright (C) 2023 Intel Corporation
 */

#ifndef MAC80211_DROP_H
#define MAC80211_DROP_H
#include <net/dropreason.h>

typedef unsigned int __bitwise ieee80211_rx_result;

#define MAC80211_DROP_REASONS_MONITOR(R)	\
	R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME)	\
	R(RX_DROP_M_BAD_BCN_KEYIDX)		\
	R(RX_DROP_M_BAD_MGMT_KEYIDX)		\
/* this line for the trailing \ - add before this */

#define MAC80211_DROP_REASONS_UNUSABLE(R)	\
	R(RX_DROP_U_MIC_FAIL)			\
	R(RX_DROP_U_REPLAY)			\
	R(RX_DROP_U_BAD_MMIE)			\
/* this line for the trailing \ - add before this */

/* having two enums allows for checking ieee80211_rx_result use with sparse */
enum ___mac80211_drop_reason {
/* if we get to the end of handlers with RX_CONTINUE this will be the reason */
	___RX_CONTINUE	= SKB_CONSUMED,

/* this never gets used as an argument to kfree_skb_reason() */
	___RX_QUEUED	= SKB_NOT_DROPPED_YET,

#define ENUM(x) ___ ## x,
	___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
		SKB_DROP_REASON_SUBSYS_SHIFT,
	MAC80211_DROP_REASONS_MONITOR(ENUM)

	___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
		SKB_DROP_REASON_SUBSYS_SHIFT,
	MAC80211_DROP_REASONS_UNUSABLE(ENUM)
#undef ENUM
};

enum mac80211_drop_reason {
	RX_CONTINUE	 = (__force ieee80211_rx_result)___RX_CONTINUE,
	RX_QUEUED	 = (__force ieee80211_rx_result)___RX_QUEUED,
	RX_DROP_MONITOR	 = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
	RX_DROP_UNUSABLE = (__force ieee80211_rx_result)___RX_DROP_UNUSABLE,
#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
	MAC80211_DROP_REASONS_MONITOR(DEF)
	MAC80211_DROP_REASONS_UNUSABLE(DEF)
#undef DEF
};

#endif /* MAC80211_DROP_H */
Commit	Line	Data
baa951a1 JB	1	/* SPDX-License-Identifier: GPL-2.0-only */
	2	/*
	3	* mac80211 drop reason list
	4	*
	5	* Copyright (C) 2023 Intel Corporation
	6	*/
	7
	8	#ifndef MAC80211_DROP_H
	9	#define MAC80211_DROP_H
	10	#include <net/dropreason.h>
	11
	12	typedef unsigned int __bitwise ieee80211_rx_result;
	13
	14	#define MAC80211_DROP_REASONS_MONITOR(R) \
	15	R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME) \
	16	R(RX_DROP_M_BAD_BCN_KEYIDX) \
	17	R(RX_DROP_M_BAD_MGMT_KEYIDX) \
	18	/* this line for the trailing \ - add before this */
	19
	20	#define MAC80211_DROP_REASONS_UNUSABLE(R) \
	21	R(RX_DROP_U_MIC_FAIL) \
	22	R(RX_DROP_U_REPLAY) \
	23	R(RX_DROP_U_BAD_MMIE) \
	24	/* this line for the trailing \ - add before this */
	25
	26	/* having two enums allows for checking ieee80211_rx_result use with sparse */
	27	enum ___mac80211_drop_reason {
	28	/* if we get to the end of handlers with RX_CONTINUE this will be the reason */
	29	___RX_CONTINUE = SKB_CONSUMED,
	30
	31	/* this never gets used as an argument to kfree_skb_reason() */
	32	___RX_QUEUED = SKB_NOT_DROPPED_YET,
	33
	34	#define ENUM(x) ___ ## x,
	35	___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
	36	SKB_DROP_REASON_SUBSYS_SHIFT,
	37	MAC80211_DROP_REASONS_MONITOR(ENUM)
	38
	39	___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
	40	SKB_DROP_REASON_SUBSYS_SHIFT,
	41	MAC80211_DROP_REASONS_UNUSABLE(ENUM)
	42	#undef ENUM
	43	};
	44
	45	enum mac80211_drop_reason {
	46	RX_CONTINUE = (__force ieee80211_rx_result)___RX_CONTINUE,
	47	RX_QUEUED = (__force ieee80211_rx_result)___RX_QUEUED,
	48	RX_DROP_MONITOR = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
	49	RX_DROP_UNUSABLE = (__force ieee80211_rx_result)___RX_DROP_UNUSABLE,
	50	#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
	51	MAC80211_DROP_REASONS_MONITOR(DEF)
	52	MAC80211_DROP_REASONS_UNUSABLE(DEF)
	53	#undef DEF
	54	};
	55
	56	#endif /* MAC80211_DROP_H */