1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/lpm_trie_map.c b/tools/testing/selftests/bpf/progs/lpm_trie_map.c
new file mode 100644
index 000000000000..6e60d686b664
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/lpm_trie_map.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define MAX_ENTRIES 100000000
+
+struct trie_key {
+	__u32 prefixlen;
+	__u32 data;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LPM_TRIE);
+	__type(key, struct trie_key);
+	__type(value, __u32);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__uint(max_entries, MAX_ENTRIES);
+} trie_free_map SEC(".maps");