--- zzzz-none-000/linux-5.4.213/include/net/protocol.h	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/include/net/protocol.h	2024-08-14 09:02:08.000000000 +0000
@@ -106,12 +106,16 @@
 int inet_del_protocol(const struct net_protocol *prot, unsigned char num);
 int inet_add_offload(const struct net_offload *prot, unsigned char num);
 int inet_del_offload(const struct net_offload *prot, unsigned char num);
+int inet_update_protocol(const struct net_protocol *new_prot,
+		unsigned char num, const struct net_protocol **old_prot);
 void inet_register_protosw(struct inet_protosw *p);
 void inet_unregister_protosw(struct inet_protosw *p);
 
 #if IS_ENABLED(CONFIG_IPV6)
 int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char num);
 int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char num);
+int inet6_update_protocol(const struct inet6_protocol *new_prot,
+		unsigned char num, const struct inet6_protocol **old_prot);
 int inet6_register_protosw(struct inet_protosw *p);
 void inet6_unregister_protosw(struct inet_protosw *p);
 #endif