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2a1c5c7de4
Make __ieee80211_data_to_8023() return more individual drop reasons instead of just doing RX_DROP_U_INVALID_8023. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* mac80211 drop reason list
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*
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* Copyright (C) 2023 Intel Corporation
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*/
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#ifndef MAC80211_DROP_H
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#define MAC80211_DROP_H
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#include <net/dropreason.h>
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typedef unsigned int __bitwise ieee80211_rx_result;
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#define MAC80211_DROP_REASONS_MONITOR(R) \
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R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME) \
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R(RX_DROP_M_BAD_BCN_KEYIDX) \
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R(RX_DROP_M_BAD_MGMT_KEYIDX) \
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/* this line for the trailing \ - add before this */
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#define MAC80211_DROP_REASONS_UNUSABLE(R) \
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/* 0x00 == ___RX_DROP_UNUSABLE */ \
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R(RX_DROP_U_MIC_FAIL) \
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R(RX_DROP_U_REPLAY) \
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R(RX_DROP_U_BAD_MMIE) \
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R(RX_DROP_U_DUP) \
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R(RX_DROP_U_SPURIOUS) \
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R(RX_DROP_U_DECRYPT_FAIL) \
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R(RX_DROP_U_NO_KEY_ID) \
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R(RX_DROP_U_BAD_CIPHER) \
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R(RX_DROP_U_OOM) \
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R(RX_DROP_U_NONSEQ_PN) \
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R(RX_DROP_U_BAD_KEY_COLOR) \
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R(RX_DROP_U_BAD_4ADDR) \
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R(RX_DROP_U_BAD_AMSDU) \
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R(RX_DROP_U_BAD_AMSDU_CIPHER) \
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R(RX_DROP_U_INVALID_8023) \
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/* 0x10 */ \
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R(RX_DROP_U_RUNT_ACTION) \
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R(RX_DROP_U_UNPROT_ACTION) \
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R(RX_DROP_U_UNPROT_DUAL) \
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R(RX_DROP_U_UNPROT_UCAST_MGMT) \
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R(RX_DROP_U_UNPROT_MCAST_MGMT) \
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R(RX_DROP_U_UNPROT_BEACON) \
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R(RX_DROP_U_UNPROT_UNICAST_PUB_ACTION) \
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R(RX_DROP_U_UNPROT_ROBUST_ACTION) \
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R(RX_DROP_U_ACTION_UNKNOWN_SRC) \
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R(RX_DROP_U_REJECTED_ACTION_RESPONSE) \
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R(RX_DROP_U_EXPECT_DEFRAG_PROT) \
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R(RX_DROP_U_WEP_DEC_FAIL) \
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R(RX_DROP_U_NO_IV) \
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R(RX_DROP_U_NO_ICV) \
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R(RX_DROP_U_AP_RX_GROUPCAST) \
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R(RX_DROP_U_SHORT_MMIC) \
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/* 0x20 */ \
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R(RX_DROP_U_MMIC_FAIL) \
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R(RX_DROP_U_SHORT_TKIP) \
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R(RX_DROP_U_TKIP_FAIL) \
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R(RX_DROP_U_SHORT_CCMP) \
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R(RX_DROP_U_SHORT_CCMP_MIC) \
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R(RX_DROP_U_SHORT_GCMP) \
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R(RX_DROP_U_SHORT_GCMP_MIC) \
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R(RX_DROP_U_SHORT_CMAC) \
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R(RX_DROP_U_SHORT_CMAC256) \
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R(RX_DROP_U_SHORT_GMAC) \
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R(RX_DROP_U_UNEXPECTED_VLAN_4ADDR) \
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R(RX_DROP_U_UNEXPECTED_STA_4ADDR) \
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R(RX_DROP_U_UNEXPECTED_VLAN_MCAST) \
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R(RX_DROP_U_NOT_PORT_CONTROL) \
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/* this line for the trailing \ - add before this */
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/* having two enums allows for checking ieee80211_rx_result use with sparse */
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enum ___mac80211_drop_reason {
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/* if we get to the end of handlers with RX_CONTINUE this will be the reason */
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___RX_CONTINUE = SKB_CONSUMED,
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/* this never gets used as an argument to kfree_skb_reason() */
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___RX_QUEUED = SKB_NOT_DROPPED_YET,
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#define ENUM(x) ___ ## x,
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___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
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SKB_DROP_REASON_SUBSYS_SHIFT,
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MAC80211_DROP_REASONS_MONITOR(ENUM)
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___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
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SKB_DROP_REASON_SUBSYS_SHIFT,
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MAC80211_DROP_REASONS_UNUSABLE(ENUM)
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#undef ENUM
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};
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enum mac80211_drop_reason {
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RX_CONTINUE = (__force ieee80211_rx_result)___RX_CONTINUE,
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RX_QUEUED = (__force ieee80211_rx_result)___RX_QUEUED,
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RX_DROP_MONITOR = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
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#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
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MAC80211_DROP_REASONS_MONITOR(DEF)
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MAC80211_DROP_REASONS_UNUSABLE(DEF)
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#undef DEF
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};
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#define RX_RES_IS_UNUSABLE(result) \
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(((__force u32)(result) & SKB_DROP_REASON_SUBSYS_MASK) == ___RX_DROP_UNUSABLE)
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#endif /* MAC80211_DROP_H */
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