netdev - Re: [PATCH bpf-next v2 4/4] selftests/bpf: add sockopt clone/inheritance test

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Message-ID: <000cc025-dd23-46d9-0607-800154043152@fb.com>
Date:   Sun, 11 Aug 2019 23:54:48 +0000
From:   Yonghong Song <yhs@...com>
To:     Stanislav Fomichev <sdf@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        Martin Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v2 4/4] selftests/bpf: add sockopt
 clone/inheritance test



On 8/9/19 9:10 AM, Stanislav Fomichev wrote:
> Add a test that calls setsockopt on the listener socket which triggers
> BPF program. This BPF program writes to the sk storage and sets
> clone flag. Make sure that sk storage is cloned for a newly
> accepted connection.
> 
> We have two cloned maps in the tests to make sure we hit both cases
> in bpf_sk_storage_clone: first element (sk_storage_alloc) and
> non-first element(s) (selem_link_map).
> 
> Cc: Martin KaFai Lau <kafai@...com>
> Cc: Yonghong Song <yhs@...com>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>

Acked-by: Yonghong Song <yhs@...com>