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selftests/bpf: Fix bpf_nf selftest failure

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commit 967e8def11 upstream.

For systems with missing iptables-legacy tool this selftest fails.

Add check to find if iptables-legacy tool is available and skip the
test if the tool is missing.

Fixes: de9c8d848d ("selftests/bpf: S/iptables/iptables-legacy/ in the bpf_nf and xdp_synproxy test")
Signed-off-by: Saket Kumar Bhaskar <skb99@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250409095633.33653-1-skb99@linux.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saket Kumar Bhaskar
2026-06-19 13:37:32 +02:00
committed by Greg Kroah-Hartman
parent cc62578b65
commit e7d4527085
1 changed files with 6 additions and 0 deletions
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tools/testing/selftests/bpf/prog_tests/bpf_nf.c
+6
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@@ -63,6 +63,12 @@ static void test_bpf_nf_ct(int mode)
.repeat = 1,
);
if (SYS_NOFAIL("iptables-legacy --version")) {
fprintf(stdout, "Missing required iptables-legacy tool\n");
test__skip();
return;
}
skel = test_bpf_nf__open_and_load();
if (!ASSERT_OK_PTR(skel, "test_bpf_nf__open_and_load"))
return;