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

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Date:   Mon, 30 Apr 2018 11:05:16 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Y Song <ys114321@...il.com>, William Tu <u9012063@...il.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next] selftests/bpf: bpf tunnel test.

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?

Looks like we need a copy for tools infrastructure in tools/include/uapi/linux/erspan.h.
William, could you take a look?

Thanks,
Daniel