netdev - Re: [PATCH bpf-next] selftests/bpf: bpf tunnel test.

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Date:   Mon, 30 Apr 2018 07:29:41 -0700
From:   William Tu <u9012063@...il.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Y Song <ys114321@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next] selftests/bpf: bpf tunnel test.

On Mon, Apr 30, 2018 at 2:05 AM, Daniel Borkmann <daniel@...earbox.net> wrote:
> On 04/30/2018 09:02 AM, Y Song wrote:
>> Hi, William,
>>
>> When compiled the selftests/bpf in my centos 7 based system, I have
>> the following failures,
>>
>> clang -I. -I./include/uapi -I../../../include/uapi
>> -Wno-compare-distinct-pointer-types \
>>          -O2 -target bpf -emit-llvm -c test_tunnel_kern.c -o - |      \
>> llc -march=bpf -mcpu=generic  -filetype=obj -o
>> /data/users/yhs/work/net-next/tools/testing/selftests/bpf/test_tunnel_kern.o
>> test_tunnel_kern.c:21:10: fatal error: 'linux/erspan.h' file not found
>> #include <linux/erspan.h>
>>          ^~~~~~~~~~~~~~~~
>> 1 error generated.
>>
>> Maybe I missed some packages to install?
>
It works for me because I do 'make headers_install' and install the
erspan.h in my /usr/include/linux/
I will submit a patch to add the erspan.h in tools/include/uapi/linux
Thanks
William