1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * mac80211 drop reason list
  4 *
  5 * Copyright (C) 2023-2024 Intel Corporation
  6 */
  7
  8#ifndef MAC80211_DROP_H
  9#define MAC80211_DROP_H
 10#include <net/dropreason.h>
 11
 12typedef 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	/* 0x00 == ___RX_DROP_UNUSABLE */	\
 22	R(RX_DROP_U_MIC_FAIL)			\
 23	R(RX_DROP_U_REPLAY)			\
 24	R(RX_DROP_U_BAD_MMIE)			\
 25	R(RX_DROP_U_DUP)			\
 26	R(RX_DROP_U_SPURIOUS)			\
 27	R(RX_DROP_U_DECRYPT_FAIL)		\
 28	R(RX_DROP_U_NO_KEY_ID)			\
 29	R(RX_DROP_U_BAD_CIPHER)			\
 30	R(RX_DROP_U_OOM)			\
 31	R(RX_DROP_U_NONSEQ_PN)			\
 32	R(RX_DROP_U_BAD_KEY_COLOR)		\
 33	R(RX_DROP_U_BAD_4ADDR)			\
 34	R(RX_DROP_U_BAD_AMSDU)			\
 35	R(RX_DROP_U_BAD_AMSDU_CIPHER)		\
 36	R(RX_DROP_U_INVALID_8023)		\
 37	/* 0x10 */				\
 38	R(RX_DROP_U_RUNT_ACTION)		\
 39	R(RX_DROP_U_UNPROT_ACTION)		\
 40	R(RX_DROP_U_UNPROT_DUAL)		\
 41	R(RX_DROP_U_UNPROT_UCAST_MGMT)		\
 42	R(RX_DROP_U_UNPROT_MCAST_MGMT)		\
 43	R(RX_DROP_U_UNPROT_BEACON)		\
 44	R(RX_DROP_U_UNPROT_UNICAST_PUB_ACTION)	\
 45	R(RX_DROP_U_UNPROT_ROBUST_ACTION)	\
 46	R(RX_DROP_U_ACTION_UNKNOWN_SRC)		\
 47	R(RX_DROP_U_REJECTED_ACTION_RESPONSE)	\
 48	R(RX_DROP_U_EXPECT_DEFRAG_PROT)		\
 49	R(RX_DROP_U_WEP_DEC_FAIL)		\
 50	R(RX_DROP_U_NO_IV)			\
 51	R(RX_DROP_U_NO_ICV)			\
 52	R(RX_DROP_U_AP_RX_GROUPCAST)		\
 53	R(RX_DROP_U_SHORT_MMIC)			\
 54	/* 0x20 */				\
 55	R(RX_DROP_U_MMIC_FAIL)			\
 56	R(RX_DROP_U_SHORT_TKIP)			\
 57	R(RX_DROP_U_TKIP_FAIL)			\
 58	R(RX_DROP_U_SHORT_CCMP)			\
 59	R(RX_DROP_U_SHORT_CCMP_MIC)		\
 60	R(RX_DROP_U_SHORT_GCMP)			\
 61	R(RX_DROP_U_SHORT_GCMP_MIC)		\
 62	R(RX_DROP_U_SHORT_CMAC)			\
 63	R(RX_DROP_U_SHORT_CMAC256)		\
 64	R(RX_DROP_U_SHORT_GMAC)			\
 65	R(RX_DROP_U_UNEXPECTED_VLAN_4ADDR)	\
 66	R(RX_DROP_U_UNEXPECTED_STA_4ADDR)	\
 67	R(RX_DROP_U_UNEXPECTED_VLAN_MCAST)	\
 68	R(RX_DROP_U_NOT_PORT_CONTROL)		\
 69	R(RX_DROP_U_UNKNOWN_ACTION_REJECTED)	\
 70/* this line for the trailing \ - add before this */
 71
 72/* having two enums allows for checking ieee80211_rx_result use with sparse */
 73enum ___mac80211_drop_reason {
 74/* if we get to the end of handlers with RX_CONTINUE this will be the reason */
 75	___RX_CONTINUE	= SKB_CONSUMED,
 76
 77/* this never gets used as an argument to kfree_skb_reason() */
 78	___RX_QUEUED	= SKB_NOT_DROPPED_YET,
 79
 80#define ENUM(x) ___ ## x,
 81	___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
 82		SKB_DROP_REASON_SUBSYS_SHIFT,
 83	MAC80211_DROP_REASONS_MONITOR(ENUM)
 84
 85	___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
 86		SKB_DROP_REASON_SUBSYS_SHIFT,
 87	MAC80211_DROP_REASONS_UNUSABLE(ENUM)
 88#undef ENUM
 89};
 90
 91enum mac80211_drop_reason {
 92	RX_CONTINUE	 = (__force ieee80211_rx_result)___RX_CONTINUE,
 93	RX_QUEUED	 = (__force ieee80211_rx_result)___RX_QUEUED,
 94	RX_DROP_MONITOR	 = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
 95#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
 96	MAC80211_DROP_REASONS_MONITOR(DEF)
 97	MAC80211_DROP_REASONS_UNUSABLE(DEF)
 98#undef DEF
 99};
100
101#define RX_RES_IS_UNUSABLE(result)	\
102	(((__force u32)(result) & SKB_DROP_REASON_SUBSYS_MASK) == ___RX_DROP_UNUSABLE)
103
104#endif /* MAC80211_DROP_H */