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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /net/mac80211/drop.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/mac80211/drop.h')
-rw-r--r--net/mac80211/drop.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/net/mac80211/drop.h b/net/mac80211/drop.h
new file mode 100644
index 0000000000..1570fac841
--- /dev/null
+++ b/net/mac80211/drop.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * mac80211 drop reason list
+ *
+ * Copyright (C) 2023 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) \
+ R(RX_DROP_U_MIC_FAIL) \
+ R(RX_DROP_U_REPLAY) \
+ R(RX_DROP_U_BAD_MMIE) \
+/* 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,
+ RX_DROP_UNUSABLE = (__force ieee80211_rx_result)___RX_DROP_UNUSABLE,
+#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 */