1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * mac80211 drop reason list 3 * mac80211 drop reason list
4 * 4 *
5 * Copyright (C) 2023-2024 Intel Corporation !! 5 * Copyright (C) 2023 Intel Corporation
6 */ 6 */
7 7
8 #ifndef MAC80211_DROP_H 8 #ifndef MAC80211_DROP_H
9 #define MAC80211_DROP_H 9 #define MAC80211_DROP_H
10 #include <net/dropreason.h> 10 #include <net/dropreason.h>
11 11
12 typedef unsigned int __bitwise ieee80211_rx_re 12 typedef unsigned int __bitwise ieee80211_rx_result;
13 13
14 #define MAC80211_DROP_REASONS_MONITOR(R) 14 #define MAC80211_DROP_REASONS_MONITOR(R) \
15 R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME) 15 R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME) \
16 R(RX_DROP_M_BAD_BCN_KEYIDX) 16 R(RX_DROP_M_BAD_BCN_KEYIDX) \
17 R(RX_DROP_M_BAD_MGMT_KEYIDX) 17 R(RX_DROP_M_BAD_MGMT_KEYIDX) \
18 /* this line for the trailing \ - add before t 18 /* this line for the trailing \ - add before this */
19 19
20 #define MAC80211_DROP_REASONS_UNUSABLE(R) 20 #define MAC80211_DROP_REASONS_UNUSABLE(R) \
21 /* 0x00 == ___RX_DROP_UNUSABLE */ <<
22 R(RX_DROP_U_MIC_FAIL) 21 R(RX_DROP_U_MIC_FAIL) \
23 R(RX_DROP_U_REPLAY) 22 R(RX_DROP_U_REPLAY) \
24 R(RX_DROP_U_BAD_MMIE) 23 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 t 24 /* this line for the trailing \ - add before this */
71 25
72 /* having two enums allows for checking ieee80 26 /* having two enums allows for checking ieee80211_rx_result use with sparse */
73 enum ___mac80211_drop_reason { 27 enum ___mac80211_drop_reason {
74 /* if we get to the end of handlers with RX_CO 28 /* if we get to the end of handlers with RX_CONTINUE this will be the reason */
75 ___RX_CONTINUE = SKB_CONSUMED, 29 ___RX_CONTINUE = SKB_CONSUMED,
76 30
77 /* this never gets used as an argument to kfre 31 /* this never gets used as an argument to kfree_skb_reason() */
78 ___RX_QUEUED = SKB_NOT_DROPPED_YET, 32 ___RX_QUEUED = SKB_NOT_DROPPED_YET,
79 33
80 #define ENUM(x) ___ ## x, 34 #define ENUM(x) ___ ## x,
81 ___RX_DROP_MONITOR = SKB_DROP_REASON_S 35 ___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
82 SKB_DROP_REASON_SUBSYS_SHIFT, 36 SKB_DROP_REASON_SUBSYS_SHIFT,
83 MAC80211_DROP_REASONS_MONITOR(ENUM) 37 MAC80211_DROP_REASONS_MONITOR(ENUM)
84 38
85 ___RX_DROP_UNUSABLE = SKB_DROP_REASON_ 39 ___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
86 SKB_DROP_REASON_SUBSYS_SHIFT, 40 SKB_DROP_REASON_SUBSYS_SHIFT,
87 MAC80211_DROP_REASONS_UNUSABLE(ENUM) 41 MAC80211_DROP_REASONS_UNUSABLE(ENUM)
88 #undef ENUM 42 #undef ENUM
89 }; 43 };
90 44
91 enum mac80211_drop_reason { 45 enum mac80211_drop_reason {
92 RX_CONTINUE = (__force ieee80211_ 46 RX_CONTINUE = (__force ieee80211_rx_result)___RX_CONTINUE,
93 RX_QUEUED = (__force ieee80211_ 47 RX_QUEUED = (__force ieee80211_rx_result)___RX_QUEUED,
94 RX_DROP_MONITOR = (__force ieee80211_ 48 RX_DROP_MONITOR = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
>> 49 RX_DROP_UNUSABLE = (__force ieee80211_rx_result)___RX_DROP_UNUSABLE,
95 #define DEF(x) x = (__force ieee80211_rx_resul 50 #define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
96 MAC80211_DROP_REASONS_MONITOR(DEF) 51 MAC80211_DROP_REASONS_MONITOR(DEF)
97 MAC80211_DROP_REASONS_UNUSABLE(DEF) 52 MAC80211_DROP_REASONS_UNUSABLE(DEF)
98 #undef DEF 53 #undef DEF
99 }; 54 };
100 55
101 #define RX_RES_IS_UNUSABLE(result) \ 56 #define RX_RES_IS_UNUSABLE(result) \
102 (((__force u32)(result) & SKB_DROP_REA 57 (((__force u32)(result) & SKB_DROP_REASON_SUBSYS_MASK) == ___RX_DROP_UNUSABLE)
103 58
104 #endif /* MAC80211_DROP_H */ 59 #endif /* MAC80211_DROP_H */
105 60
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.