auto import from //depot/cupcake/@135843
diff --git a/libc/include/net/if_arp.h b/libc/include/net/if_arp.h
new file mode 100644
index 0000000..a25f1b4
--- /dev/null
+++ b/libc/include/net/if_arp.h
@@ -0,0 +1 @@
+#include <linux/if_arp.h>