Quelle  drop.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * mac80211 drop reason list
 *
 * Copyright (C) 2023-2024 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) \
/* 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,
 RX_DROP  = (__force ieee80211_rx_result)___RX_DROP_UNUSABLE,
#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 */