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// SPDX-License-Identifier: GPL-2.0
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
struct {
__uint(type, BPF_MAP_TYPE_CPUMAP);
__type(key, __u32);
__type(value, struct bpf_cpumap_val);
__uint(max_entries, 1);
} cpu_map SEC(".maps");
SEC("xdp/cpumap")
int xdp_drop_prog(struct xdp_md *ctx)
{
return XDP_DROP;
}
SEC("freplace")
int xdp_cpumap_prog(struct xdp_md *ctx)
{
return bpf_redirect_map(&cpu_map, 0, XDP_PASS);
}
char _license[] SEC("license") = "GPL";
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