add SKIP_IF_XDP_NOT_SUPPORTED macro

Test: builds, atest, TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ia954983565250faff547e81a53ec0df5fc26827e

libbpf_android/include/bpf/BpfUtils.h

@@ -57,6 +57,15 @@ static inline bool isAtLeastKernelVersion(unsigned major, unsigned minor, unsign
         }                                                                         \
     } while (0)
 
+#define SKIP_IF_XDP_NOT_SUPPORTED                                \
+    do {                                                         \
+        if (!android::bpf::isAtLeastKernelVersion(5, 9, 0)) {    \
+            GTEST_LOG_(INFO) << "This test is skipped since xdp" \
+                             << "not supported\n";               \
+            return;                                              \
+        }                                                        \
+    } while (0)
+
 }  // namespace bpf
 }  // namespace android