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-rw-r--r--include/linux/netfilter.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 6863e271a9de..c8e03bcaecaa 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -491,4 +491,9 @@ extern const struct nfnl_ct_hook __rcu *nfnl_ct_hook;
*/
DECLARE_PER_CPU(bool, nf_skb_duplicated);
+/**
+ * Contains bitmask of ctnetlink event subscribers, if any.
+ * Can't be pernet due to NETLINK_LISTEN_ALL_NSID setsockopt flag.
+ */
+extern u8 nf_ctnetlink_has_listener;
#endif /*__LINUX_NETFILTER_H*/