--- zzzz-none-000/linux-4.19.183/include/net/ipv6.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/include/net/ipv6.h	2023-06-28 08:54:20.000000000 +0000
@@ -927,6 +927,7 @@
 
 int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
 
+void ip6_input_init(void);
 int ip6_append_data(struct sock *sk,
 		    int getfrag(void *from, char *to, int offset, int len,
 				int odd, struct sk_buff *skb),