// SPDX-License-Identifier: GPL-2.0
#include <vmlinux.h>
#include "xdp_metadata.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx, __u32 *hash,
enum xdp_rss_hash_type *rss_type) __ksym;
int called;
SEC("freplace/rx")
int freplace_rx(struct xdp_md *ctx)
{
enum xdp_rss_hash_type type = 0;
u32 hash = 0;
/* Call _any_ metadata function to make sure we don't crash. */
bpf_xdp_metadata_rx_hash(ctx, &hash, &type);
called++;
return XDP_PASS;
}
char _license[] SEC("license") = "GPL";