aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c b/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c
index daa952711d8f..e9c07d561ded 100644
--- a/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c
+++ b/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
#include <test_progs.h>
#include <network_helpers.h>
#include "test_parse_tcp_hdr_opt.skel.h"