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Date:   Wed, 12 Oct 2022 18:51:55 -0700
From:   Martin KaFai Lau <>
To:     Wang Yufen <>,
        Lina Wang <>
Subject: Re: [net 1/2] selftests/net: fix opening object file failed

On 10/11/22 2:57 AM, Wang Yufen wrote:
> The program file used in the udpgro_frglist testcase is "../bpf/nat6to4.o",
> but the actual nat6to4.o file is in "bpf/" not "../bpf".
> The following error occurs:
>    Error opening object ../bpf/nat6to4.o: No such file or directory

hmm... so it sounds like the test never works...

The test seems like mostly exercising the tc-bpf?  It makes sense to move it to 
the selftests/bpf. or staying in net is also fine for now and only need to fix 
up the path here.

However, if moving to selftests/bpf, I don't think it is a good idea to only 
move the bpf prog but not moving the actual test program (the script here) such 
that the bpf CI can continuously testing it.  Otherwise, it will just drift and 
rot slowly like patch 2.

Also, if you prefer to move it to selftests/bpf, the bpf prog cannot be moved in 
the current form.  eg. There is some convention on the SEC name in the 
selftests/bpf/progs.  Also, the testing script needs to be adapted to the 
selftests/bpf/test_progs infra.

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