On Tue, Jun 13, 2023 at 11:14:58AM +0100, Lorenz Bauer wrote: ... > @@ -332,6 +332,10 @@ static inline int compute_score(struct sock *sk, struct net *net, > return score; > } > > +INDIRECT_CALLABLE_DECLARE(u32 udp_ehashfn(const struct net *, > + const __be32, const __u16, > + const __be32, const __be16)); > + Hi Lorenz, Would this be better placed in a header file? GCC complains that in udp.c this function is neither static nor has a prototype. Liksewise for udp6_ehashfn() ...