mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-12-28 16:56:26 +00:00
6e02ba7c9e
If we use a drop we not only save the extra call to dev_kfree_skb(), but also have a better reason in tracing, so do that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240320091155.34daf0a89eb4.I60e0639511f9de64e40e6105b640adf90f8f57f7@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
105 lines
3.1 KiB
C
105 lines
3.1 KiB
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_MONITOR(R) \
|
|
R(RX_DROP_M_UNEXPECTED_4ADDR_FRAME) \
|
|
R(RX_DROP_M_BAD_BCN_KEYIDX) \
|
|
R(RX_DROP_M_BAD_MGMT_KEYIDX) \
|
|
/* this line for the trailing \ - add before this */
|
|
|
|
#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_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_MONITOR = SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR <<
|
|
SKB_DROP_REASON_SUBSYS_SHIFT,
|
|
MAC80211_DROP_REASONS_MONITOR(ENUM)
|
|
|
|
___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_MONITOR = (__force ieee80211_rx_result)___RX_DROP_MONITOR,
|
|
#define DEF(x) x = (__force ieee80211_rx_result)___ ## x,
|
|
MAC80211_DROP_REASONS_MONITOR(DEF)
|
|
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 */
|