linux-kernel - [PATCH bpf-next] selftests/bpf: Fix error undeclared identifier 'NF_NAT_MANIP

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Date:   Fri, 11 Nov 2022 11:26:11 +0800
From:   Rong Tao <rtoax@...mail.com>
To:     ast@...nel.org
Cc:     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>,
        Stanislav Fomichev <sdf@...gle.com>,
        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>,
        bpf@...r.kernel.org (open list:BPF [GENERAL] (Safe Dynamic Programs and
        Tools)),
        linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH bpf-next] selftests/bpf: Fix error undeclared identifier 'NF_NAT_MANIP_SRC'

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.

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