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Date: Fri, 11 Nov 2022 09:25:20 -0800
From: sdf@...gle.com
To: Rong Tao <rtoax@...mail.com>
Cc: ast@...nel.org, Rong Tao <rongtao@...tc.cn>,
kernel test robot <lkp@...el.com>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <martin.lau@...ux.dev>,
Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>, Hao Luo <haoluo@...gle.com>,
Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>,
Shuah Khan <shuah@...nel.org>,
Kumar Kartikeya Dwivedi <memxor@...il.com>,
Lorenzo Bianconi <lorenzo@...nel.org>,
Daniel Xu <dxu@...uu.xyz>,
"open list:BPF [GENERAL] (Safe Dynamic Programs and Tools)"
<bpf@...r.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next] selftests/bpf: Fix error undeclared identifier 'NF_NAT_MANIP_SRC'
On 11/11, Rong Tao wrote:
> From: Rong Tao <rongtao@...tc.cn>
> commit 472caa69183f("netfilter: nat: un-export nf_nat_used_tuple")
> introduce NF_NAT_MANIP_SRC/DST enum in include/net/netfilter/nf_nat.h,
> and commit b06b45e82b59("selftests/bpf: add tests for bpf_ct_set_nat_info
> kfunc") use NF_NAT_MANIP_SRC/DST in test_bpf_nf.c. We copy enum
> nf_nat_manip_type to test_bpf_nf.c fix this error.
> How to reproduce the error:
> $ make -C tools/testing/selftests/bpf/
> ...
> CLNG-BPF [test_maps] test_bpf_nf.bpf.o
> error: use of undeclared identifier 'NF_NAT_MANIP_SRC'
> bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC);
> ^
> error: use of undeclared identifier 'NF_NAT_MANIP_DST'
> bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST);
> ^
> 2 errors generated.
$ grep
NF_NAT_MANIP_SRC ./tools/testing/selftests/bpf/tools/include/vmlinux.h
NF_NAT_MANIP_SRC = 0,
Doesn't look like your kernel config compiles netfilter nat modules?
> Link: https://lore.kernel.org/lkml/202210280447.STsT1gvq-lkp@intel.com/
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Rong Tao <rongtao@...tc.cn>
> ---
> tools/testing/selftests/bpf/progs/test_bpf_nf.c | 5 +++++
> 1 file changed, 5 insertions(+)
> diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c
> b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
> index 227e85e85dda..307ca166ff34 100644
> --- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c
> +++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
> @@ -3,6 +3,11 @@
> #include <bpf/bpf_helpers.h>
> #include <bpf/bpf_endian.h>
> +enum nf_nat_manip_type {
> + NF_NAT_MANIP_SRC,
> + NF_NAT_MANIP_DST
> +};
> +
> #define EAFNOSUPPORT 97
> #define EPROTO 71
> #define ENONET 64
> --
> 2.31.1
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