> On 11/11, Rong Tao wrote:
> > From: Rong Tao <rongtao@xxxxxxxx>
>
> > 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?
yes, in bpf kself-test config (tools/testing/selftests/bpf/config) nf_nat
is compiled as built-in. This issue occurs just if it is compiled as module.
Regards,
Lorenzo
>
> > Link: https://lore.kernel.org/lkml/202210280447.STsT1gvq-lkp@xxxxxxxxx/
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Signed-off-by: Rong Tao <rongtao@xxxxxxxx>
> > ---
> > 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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