--- zzzz-none-000/linux-5.15.111/include/net/addrconf.h	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/include/net/addrconf.h	2024-02-07 10:23:27.000000000 +0000
@@ -114,6 +114,11 @@
 bool inet_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2,
 			  bool match_wildcard);
 bool inet_rcv_saddr_any(const struct sock *sk);
+#ifdef CONFIG_INTEL_NS_DEVICE_FILTER
+extern int intel_ipv6_ns_filter(struct net_device *dev,
+				const struct in6_addr* dst_addr,
+				unsigned char banned_flags);
+#endif
 void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
 void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);