netdev - Re: [PATCH bpf-next v5 0/4] bpf: allow any port in bpf

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Message-ID: <1791ff9a-becb-58a0-1bc4-590b3aec644c@iogearbox.net>
Date:   Sat, 9 May 2020 01:41:02 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Stanislav Fomichev <sdf@...gle.com>, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, Andrey Ignatov <rdna@...com>,
        Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v5 0/4] bpf: allow any port in bpf_bind helper

On 5/8/20 7:46 PM, Stanislav Fomichev wrote:
> We want to have a tighter control on what ports we bind to in
> the BPF_CGROUP_INET{4,6}_CONNECT hooks even if it means
> connect() becomes slightly more expensive.
> 
> The series goes like this:
> 1. selftests: move existing helpers that make it easy to create
>     listener threads into common test_progs part
> 2. selftests: move some common functionality into network_helpers
> 3. do small refactoring of __inet{,6}_bind() flags to make it easy
>     to extend them with the additional flags
> 4. remove the restriction on port being zero in bpf_bind() helper;
>     add new bind flag to prevent POST_BIND hook from being called
> 
> Acked-by: Andrey Ignatov <rdna@...com>
> Acked-by: Martin KaFai Lau <kafai@...com>
> 
> Stanislav Fomichev (4):
>    selftests/bpf: generalize helpers to control background listener
>    selftests/bpf: move existing common networking parts into
>      network_helpers
>    net: refactor arguments of inet{,6}_bind
>    bpf: allow any port in bpf_bind helper
> 

Applied, thanks!