netdev - Re: [PATCH bpf-next 4/5] selftests/bpf: Prepare test_sock

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Date:   Tue, 22 May 2018 15:34:40 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     Andrey Ignatov <rdna@...com>
CC:     <netdev@...r.kernel.org>, <davem@...emloft.net>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kernel-team@...com>
Subject: Re: [PATCH bpf-next 4/5] selftests/bpf: Prepare test_sock_addr for
 extension

On Fri, May 18, 2018 at 07:21:12PM -0700, Andrey Ignatov wrote:
> test_sock_addr was not easy to extend since it was focused on sys_bind
> and sys_connect quite a bit.
> 
> Reorganized it so that it'll be easier to cover new test-cases for
> `BPF_PROG_TYPE_CGROUP_SOCK_ADDR`:
> 
> - decouple test-cases so that only one BPF prog is tested at a time;
> 
> - check programmatically that local IP:port for sys_bind, source IP and
>   destination IP:port for sys_connect are rewritten property by tested
>   BPF programs.
> 
> The output of new version:
>   # test_sock_addr.sh 2>/dev/null
>   Wait for testing IPv4/IPv6 to become available ... OK
>   Test case: bind4: load prog with wrong expected attach type .. [PASS]
>   Test case: bind4: attach prog with wrong attach type .. [PASS]
>   Test case: bind4: rewrite IP & TCP port in .. [PASS]
>   Test case: bind4: rewrite IP & UDP port in .. [PASS]
>   Test case: bind6: load prog with wrong expected attach type .. [PASS]
>   Test case: bind6: attach prog with wrong attach type .. [PASS]
>   Test case: bind6: rewrite IP & TCP port in .. [PASS]
>   Test case: bind6: rewrite IP & UDP port in .. [PASS]
>   Test case: connect4: load prog with wrong expected attach type .. [PASS]
>   Test case: connect4: attach prog with wrong attach type .. [PASS]
>   Test case: connect4: rewrite IP & TCP port .. [PASS]
>   Test case: connect4: rewrite IP & UDP port .. [PASS]
>   Test case: connect6: load prog with wrong expected attach type .. [PASS]
>   Test case: connect6: attach prog with wrong attach type .. [PASS]
>   Test case: connect6: rewrite IP & TCP port .. [PASS]
>   Test case: connect6: rewrite IP & UDP port .. [PASS]
>   Summary: 16 PASSED, 0 FAILED
> 
> (stderr contains errors from libbpf when testing load/attach with
> invalid arguments)
> 
> Signed-off-by: Andrey Ignatov <rdna@...com>
> Acked-by: Alexei Starovoitov <ast@...nel.org>
Acked-by: Martin KaFai Lau <kafai@...com>