linux-kernel - Re: [PATCH bpf-next v2 3/6] net: remove duplicate reuseport

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Message-ID: <ZIiMKgt6iQwJ6vCx@corigine.com>
Date:   Tue, 13 Jun 2023 17:32:58 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Lorenz Bauer <lmb@...valent.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Joe Stringer <joe@...d.net.nz>,
        Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>,
        Kuniyuki Iwashima <kuniyu@...zon.com>,
        Hemanth Malla <hemanthmalla@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next v2 3/6] net: remove duplicate reuseport_lookup
 functions

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()

...