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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
#include "xdp_dispatcher_v1.h"
#define XDP_METADATA_SECTION "xdp_metadata"
#define XDP_DISPATCHER_VERSION_V1 1
#define XDP_DISPATCHER_RETVAL 31
static volatile const struct xdp_dispatcher_config_v1 conf = {};
__attribute__ ((noinline))
int prog0(struct xdp_md *ctx) {
volatile int ret = XDP_DISPATCHER_RETVAL;
if (!ctx)
return XDP_ABORTED;
return ret;
}
__attribute__ ((noinline))
SEC("xdp")
int xdp_dispatcher(struct xdp_md *ctx)
{
__u8 num_progs_enabled = conf.num_progs_enabled;
int ret;
if (num_progs_enabled < 1)
goto out;
ret = prog0(ctx);
if (!((1U << ret) & conf.chain_call_actions[0]))
return ret;
out:
return XDP_PASS;
}
char _license[] SEC("license") = "GPL";
__uint(dispatcher_version, XDP_DISPATCHER_VERSION_V1) SEC(XDP_METADATA_SECTION);
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