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) 2023-2024 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 */ 21 /* 0x00 == ___RX_DROP_UNUSABLE */ \
22 R(RX_DROP_U_MIC_FAIL) 22 R(RX_DROP_U_MIC_FAIL) \
23 R(RX_DROP_U_REPLAY) 23 R(RX_DROP_U_REPLAY) \
24 R(RX_DROP_U_BAD_MMIE) 24 R(RX_DROP_U_BAD_MMIE) \
25 R(RX_DROP_U_DUP) 25 R(RX_DROP_U_DUP) \
26 R(RX_DROP_U_SPURIOUS) 26 R(RX_DROP_U_SPURIOUS) \
27 R(RX_DROP_U_DECRYPT_FAIL) 27 R(RX_DROP_U_DECRYPT_FAIL) \
28 R(RX_DROP_U_NO_KEY_ID) 28 R(RX_DROP_U_NO_KEY_ID) \
29 R(RX_DROP_U_BAD_CIPHER) 29 R(RX_DROP_U_BAD_CIPHER) \
30 R(RX_DROP_U_OOM) 30 R(RX_DROP_U_OOM) \
31 R(RX_DROP_U_NONSEQ_PN) 31 R(RX_DROP_U_NONSEQ_PN) \
32 R(RX_DROP_U_BAD_KEY_COLOR) 32 R(RX_DROP_U_BAD_KEY_COLOR) \
33 R(RX_DROP_U_BAD_4ADDR) 33 R(RX_DROP_U_BAD_4ADDR) \
34 R(RX_DROP_U_BAD_AMSDU) 34 R(RX_DROP_U_BAD_AMSDU) \
35 R(RX_DROP_U_BAD_AMSDU_CIPHER) 35 R(RX_DROP_U_BAD_AMSDU_CIPHER) \
36 R(RX_DROP_U_INVALID_8023) 36 R(RX_DROP_U_INVALID_8023) \
37 /* 0x10 */ 37 /* 0x10 */ \
38 R(RX_DROP_U_RUNT_ACTION) 38 R(RX_DROP_U_RUNT_ACTION) \
39 R(RX_DROP_U_UNPROT_ACTION) 39 R(RX_DROP_U_UNPROT_ACTION) \
40 R(RX_DROP_U_UNPROT_DUAL) 40 R(RX_DROP_U_UNPROT_DUAL) \
41 R(RX_DROP_U_UNPROT_UCAST_MGMT) 41 R(RX_DROP_U_UNPROT_UCAST_MGMT) \
42 R(RX_DROP_U_UNPROT_MCAST_MGMT) 42 R(RX_DROP_U_UNPROT_MCAST_MGMT) \
43 R(RX_DROP_U_UNPROT_BEACON) 43 R(RX_DROP_U_UNPROT_BEACON) \
44 R(RX_DROP_U_UNPROT_UNICAST_PUB_ACTION) 44 R(RX_DROP_U_UNPROT_UNICAST_PUB_ACTION) \
45 R(RX_DROP_U_UNPROT_ROBUST_ACTION) 45 R(RX_DROP_U_UNPROT_ROBUST_ACTION) \
46 R(RX_DROP_U_ACTION_UNKNOWN_SRC) 46 R(RX_DROP_U_ACTION_UNKNOWN_SRC) \
47 R(RX_DROP_U_REJECTED_ACTION_RESPONSE) 47 R(RX_DROP_U_REJECTED_ACTION_RESPONSE) \
48 R(RX_DROP_U_EXPECT_DEFRAG_PROT) 48 R(RX_DROP_U_EXPECT_DEFRAG_PROT) \
49 R(RX_DROP_U_WEP_DEC_FAIL) 49 R(RX_DROP_U_WEP_DEC_FAIL) \
50 R(RX_DROP_U_NO_IV) 50 R(RX_DROP_U_NO_IV) \
51 R(RX_DROP_U_NO_ICV) 51 R(RX_DROP_U_NO_ICV) \
52 R(RX_DROP_U_AP_RX_GROUPCAST) 52 R(RX_DROP_U_AP_RX_GROUPCAST) \
53 R(RX_DROP_U_SHORT_MMIC) 53 R(RX_DROP_U_SHORT_MMIC) \
54 /* 0x20 */ 54 /* 0x20 */ \
55 R(RX_DROP_U_MMIC_FAIL) 55 R(RX_DROP_U_MMIC_FAIL) \
56 R(RX_DROP_U_SHORT_TKIP) 56 R(RX_DROP_U_SHORT_TKIP) \
57 R(RX_DROP_U_TKIP_FAIL) 57 R(RX_DROP_U_TKIP_FAIL) \
58 R(RX_DROP_U_SHORT_CCMP) 58 R(RX_DROP_U_SHORT_CCMP) \
59 R(RX_DROP_U_SHORT_CCMP_MIC) 59 R(RX_DROP_U_SHORT_CCMP_MIC) \
60 R(RX_DROP_U_SHORT_GCMP) 60 R(RX_DROP_U_SHORT_GCMP) \
61 R(RX_DROP_U_SHORT_GCMP_MIC) 61 R(RX_DROP_U_SHORT_GCMP_MIC) \
62 R(RX_DROP_U_SHORT_CMAC) 62 R(RX_DROP_U_SHORT_CMAC) \
63 R(RX_DROP_U_SHORT_CMAC256) 63 R(RX_DROP_U_SHORT_CMAC256) \
64 R(RX_DROP_U_SHORT_GMAC) 64 R(RX_DROP_U_SHORT_GMAC) \
65 R(RX_DROP_U_UNEXPECTED_VLAN_4ADDR) 65 R(RX_DROP_U_UNEXPECTED_VLAN_4ADDR) \
66 R(RX_DROP_U_UNEXPECTED_STA_4ADDR) 66 R(RX_DROP_U_UNEXPECTED_STA_4ADDR) \
67 R(RX_DROP_U_UNEXPECTED_VLAN_MCAST) 67 R(RX_DROP_U_UNEXPECTED_VLAN_MCAST) \
68 R(RX_DROP_U_NOT_PORT_CONTROL) 68 R(RX_DROP_U_NOT_PORT_CONTROL) \
69 R(RX_DROP_U_UNKNOWN_ACTION_REJECTED) 69 R(RX_DROP_U_UNKNOWN_ACTION_REJECTED) \
70 /* this line for the trailing \ - add before t 70 /* this line for the trailing \ - add before this */
71 71
72 /* having two enums allows for checking ieee80 72 /* having two enums allows for checking ieee80211_rx_result use with sparse */
73 enum ___mac80211_drop_reason { 73 enum ___mac80211_drop_reason {
74 /* if we get to the end of handlers with RX_CO 74 /* if we get to the end of handlers with RX_CONTINUE this will be the reason */
75 ___RX_CONTINUE = SKB_CONSUMED, 75 ___RX_CONTINUE = SKB_CONSUMED,
76 76
77 /* this never gets used as an argument to kfre 77 /* this never gets used as an argument to kfree_skb_reason() */
78 ___RX_QUEUED = SKB_NOT_DROPPED_YET, 78 ___RX_QUEUED = SKB_NOT_DROPPED_YET,
79 79
80 #define ENUM(x) ___ ## x, 80 #define ENUM(x) ___ ## x,
81 ___RX_DROP_MONITOR = SKB_DROP_REASON_S 81 ___RX_DROP_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
82 SKB_DROP_REASON_SUBSYS_SHIFT, 82 SKB_DROP_REASON_SUBSYS_SHIFT,
83 MAC80211_DROP_REASONS_MONITOR(ENUM) 83 MAC80211_DROP_REASONS_MONITOR(ENUM)
84 84
85 ___RX_DROP_UNUSABLE = SKB_DROP_REASON_ 85 ___RX_DROP_UNUSABLE = SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE <<
86 SKB_DROP_REASON_SUBSYS_SHIFT, 86 SKB_DROP_REASON_SUBSYS_SHIFT,
87 MAC80211_DROP_REASONS_UNUSABLE(ENUM) 87 MAC80211_DROP_REASONS_UNUSABLE(ENUM)
88 #undef ENUM 88 #undef ENUM
89 }; 89 };
90 90
91 enum mac80211_drop_reason { 91 enum mac80211_drop_reason {
92 RX_CONTINUE = (__force ieee80211_ 92 RX_CONTINUE = (__force ieee80211_rx_result)___RX_CONTINUE,
93 RX_QUEUED = (__force ieee80211_ 93 RX_QUEUED = (__force ieee80211_rx_result)___RX_QUEUED,
94 RX_DROP_MONITOR = (__force ieee80211_ 94 RX_DROP_MONITOR = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
95 #define DEF(x) x = (__force ieee80211_rx_resul 95 #define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
96 MAC80211_DROP_REASONS_MONITOR(DEF) 96 MAC80211_DROP_REASONS_MONITOR(DEF)
97 MAC80211_DROP_REASONS_UNUSABLE(DEF) 97 MAC80211_DROP_REASONS_UNUSABLE(DEF)
98 #undef DEF 98 #undef DEF
99 }; 99 };
100 100
101 #define RX_RES_IS_UNUSABLE(result) \ 101 #define RX_RES_IS_UNUSABLE(result) \
102 (((__force u32)(result) & SKB_DROP_REA 102 (((__force u32)(result) & SKB_DROP_REASON_SUBSYS_MASK) == ___RX_DROP_UNUSABLE)
103 103
104 #endif /* MAC80211_DROP_H */ 104 #endif /* MAC80211_DROP_H */
105 105
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