/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * mac80211 drop reason list
 *
 * Copyright (C) 2023-2024, 2026 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_UNUSABLE(R)       \
        /* 0x00 == ___RX_DROP_UNUSABLE */       \
        R(RX_DROP_U_MIC_FAIL)                   \
        R(RX_DROP_U_REPLAY)                     \
        R(RX_DROP_U_BAD_MMIE)                   \
        R(RX_DROP_U_DUP)                        \
        R(RX_DROP_U_SPURIOUS)                   \
        R(RX_DROP_U_DECRYPT_FAIL)               \
        R(RX_DROP_U_NO_KEY_ID)                  \
        R(RX_DROP_U_BAD_CIPHER)                 \
        R(RX_DROP_U_OOM)                        \
        R(RX_DROP_U_NONSEQ_PN)                  \
        R(RX_DROP_U_BAD_KEY_COLOR)              \
        R(RX_DROP_U_BAD_4ADDR)                  \
        R(RX_DROP_U_BAD_AMSDU)                  \
        R(RX_DROP_U_BAD_AMSDU_CIPHER)           \
        R(RX_DROP_U_INVALID_8023)               \
        /* 0x10 */                              \
        R(RX_DROP_U_RUNT_ACTION)                \
        R(RX_DROP_U_UNPROT_ACTION)              \
        R(RX_DROP_U_UNPROT_DUAL)                \
        R(RX_DROP_U_UNPROT_UCAST_MGMT)          \
        R(RX_DROP_U_UNPROT_MCAST_MGMT)          \
        R(RX_DROP_U_UNPROT_BEACON)              \
        R(RX_DROP_U_UNPROT_UNICAST_PUB_ACTION)  \
        R(RX_DROP_U_UNPROT_ROBUST_ACTION)       \
        R(RX_DROP_U_ACTION_UNKNOWN_SRC)         \
        R(RX_DROP_U_REJECTED_ACTION_RESPONSE)   \
        R(RX_DROP_U_EXPECT_DEFRAG_PROT)         \
        R(RX_DROP_U_WEP_DEC_FAIL)               \
        R(RX_DROP_U_NO_IV)                      \
        R(RX_DROP_U_NO_ICV)                     \
        R(RX_DROP_U_AP_RX_GROUPCAST)            \
        R(RX_DROP_U_SHORT_MMIC)                 \
        /* 0x20 */                              \
        R(RX_DROP_U_MMIC_FAIL)                  \
        R(RX_DROP_U_SHORT_TKIP)                 \
        R(RX_DROP_U_TKIP_FAIL)                  \
        R(RX_DROP_U_SHORT_CCMP)                 \
        R(RX_DROP_U_SHORT_CCMP_MIC)             \
        R(RX_DROP_U_SHORT_GCMP)                 \
        R(RX_DROP_U_SHORT_GCMP_MIC)             \
        R(RX_DROP_U_SHORT_CMAC)                 \
        R(RX_DROP_U_SHORT_CMAC256)              \
        R(RX_DROP_U_SHORT_GMAC)                 \
        R(RX_DROP_U_UNEXPECTED_VLAN_4ADDR)      \
        R(RX_DROP_U_UNEXPECTED_STA_4ADDR)       \
        R(RX_DROP_U_UNEXPECTED_VLAN_MCAST)      \
        R(RX_DROP_U_NOT_PORT_CONTROL)           \
        R(RX_DROP_U_UNEXPECTED_4ADDR_FRAME)     \
        R(RX_DROP_U_BAD_BCN_KEYIDX)             \
        /* 0x30 */                              \
        R(RX_DROP_U_BAD_MGMT_KEYIDX)            \
        R(RX_DROP_U_UNKNOWN_ACTION_REJECTED)    \
        R(RX_DROP_U_MESH_DS_BITS)               \
        R(RX_DROP_U_MESH_A3_MISMATCH)           \
        R(RX_DROP_U_MESH_NO_A4)                 \
        R(RX_DROP_U_MESH_A4_MISMATCH)           \
        R(RX_DROP_U_MESH_UNEXP_DATA)            \
        R(RX_DROP_U_MESH_WRONG_ACTION)          \
        R(RX_DROP_U_MESH_UNEXP_MGMT)            \
        R(RX_DROP_U_SPURIOUS_NOTIF)             \
        R(RX_DROP_U_RUNT_DATA)                  \
        R(RX_DROP_U_KEY_TAINTED)                \
        R(RX_DROP_U_UNPROTECTED)                \
        R(RX_DROP_U_MCAST_FRAGMENT)             \
        R(RX_DROP_U_DEFRAG_MISMATCH)            \
        R(RX_DROP_U_RUNT_MESH_DATA)             \
        /* 0x40 */                              \
        R(RX_DROP_U_MESH_NO_TTL)                \
        R(RX_DROP_U_MESH_RMC)                   \
        R(RX_DROP_U_MESH_BAD_AE)                \
        R(RX_DROP_U_MESH_TTL_EXPIRED)           \
        R(RX_DROP_U_MESH_NOT_FORWARDING)        \
        R(RX_DROP_U_AMSDU_WITHOUT_DATA)         \
        R(RX_DROP_U_NULL_DATA)                  \
        R(RX_DROP_U_UNEXPECTED_4ADDR)           \
        R(RX_DROP_U_PORT_CONTROL)               \
        R(RX_DROP_U_UNKNOWN_STA)                \
        R(RX_DROP_U_RUNT_BAR)                   \
        R(RX_DROP_U_BAR_OUTSIDE_SESSION)        \
        R(RX_DROP_U_CTRL_FRAME)                 \
        R(RX_DROP_U_RUNT_MGMT)                  \
        R(RX_DROP_U_EXPECTED_MGMT)              \
        R(RX_DROP_U_NONBCAST_BEACON)            \
        /* 0x50 */                              \
        R(RX_DROP_U_MALFORMED_ACTION)           \
        R(RX_DROP_U_UNKNOWN_MCAST_ACTION)       \
        R(RX_DROP_U_UNEXPECTED_EXT_FRAME)       \
        R(RX_DROP_U_UNHANDLED_MGMT)             \
        R(RX_DROP_U_MCAST_DEAUTH)               \
        R(RX_DROP_U_UNHANDLED_DEAUTH)           \
        R(RX_DROP_U_MCAST_DISASSOC)             \
        R(RX_DROP_U_UNHANDLED_DISASSOC)         \
        R(RX_DROP_U_UNHANDLED_PREQ)             \
        R(RX_DROP_U_UNHANDLED_MGMT_STYPE)       \
        R(RX_DROP_U_NO_LINK)                    \
/* 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_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,
#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
        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 */