tools/testing/selftests/bpf/progs/test_xdp_link.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>

char LICENSE[] SEC("license") = "GPL";

SEC("xdp")
int xdp_handler(struct xdp_md *xdp)
{
	return 0;
}