The bpf_nf selftest calls the bpf_ct_set_nat_info() kfunc, which takes a parameter of type enum nf_nat_manip_type. However, if the nf_nat code is compiled as a module, that enum is not defined in vmlinux BTF, and compilation of the selftest fails. A previous patch suggested just hard-coding the enum values: https://lore.kernel.org/r/tencent_4C0B445E0305A18FACA04B4A959B57835107@xxxxxx However, this doesn't work as the compiler then complains about an incomplete type definition in the function prototype. Instead, just add a local definition of the enum to the selftest code. Fixes: b06b45e82b59 ("selftests/bpf: add tests for bpf_ct_set_nat_info kfunc") Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> --- 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..6350d11ec6f6 100644 --- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c +++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c @@ -43,6 +43,11 @@ struct bpf_ct_opts___local { u8 reserved[3]; } __attribute__((preserve_access_index)); +enum nf_nat_manip_type { + NF_NAT_MANIP_SRC, + NF_NAT_MANIP_DST +}; + struct nf_conn *bpf_xdp_ct_alloc(struct xdp_md *, struct bpf_sock_tuple *, u32, struct bpf_ct_opts___local *, u32) __ksym; struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *, struct bpf_sock_tuple *, u32, -- 2.38.1
