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-rw-r--r--tools/testing/selftests/bpf/prog_tests/map_kptr.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/map_kptr.c b/tools/testing/selftests/bpf/prog_tests/map_kptr.c
new file mode 100644
index 000000000000..9e2fbda64a65
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_kptr.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#include "map_kptr.skel.h"
+
+void test_map_kptr(void)
+{
+ struct map_kptr *skel;
+ int key = 0, ret;
+ char buf[24];
+
+ skel = map_kptr__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "map_kptr__open_and_load"))
+ return;
+
+ ret = bpf_map_update_elem(bpf_map__fd(skel->maps.array_map), &key, buf, 0);
+ ASSERT_OK(ret, "array_map update");
+ ret = bpf_map_update_elem(bpf_map__fd(skel->maps.array_map), &key, buf, 0);
+ ASSERT_OK(ret, "array_map update2");
+
+ ret = bpf_map_update_elem(bpf_map__fd(skel->maps.hash_map), &key, buf, 0);
+ ASSERT_OK(ret, "hash_map update");
+ ret = bpf_map_delete_elem(bpf_map__fd(skel->maps.hash_map), &key);
+ ASSERT_OK(ret, "hash_map delete");
+
+ ret = bpf_map_update_elem(bpf_map__fd(skel->maps.hash_malloc_map), &key, buf, 0);
+ ASSERT_OK(ret, "hash_malloc_map update");
+ ret = bpf_map_delete_elem(bpf_map__fd(skel->maps.hash_malloc_map), &key);
+ ASSERT_OK(ret, "hash_malloc_map delete");
+
+ ret = bpf_map_update_elem(bpf_map__fd(skel->maps.lru_hash_map), &key, buf, 0);
+ ASSERT_OK(ret, "lru_hash_map update");
+ ret = bpf_map_delete_elem(bpf_map__fd(skel->maps.lru_hash_map), &key);
+ ASSERT_OK(ret, "lru_hash_map delete");
+
+ map_kptr__destroy(skel);
+}