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/* 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
};
#define RX_RES_IS_UNUSABLE(result) \
(((__force u32)(result) & SKB_DROP_REASON_SUBSYS_MASK) == ___RX_DROP_UNUSABLE)
#endif /* MAC80211_DROP_H */
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