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/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-clause) */
#ifndef __PROG_DISPATCHER_H
#define __PROG_DISPATCHER_H
#include <linux/types.h>
#define XDP_METADATA_SECTION "xdp_metadata"
#define XDP_DISPATCHER_VERSION 2
/* magic byte is 'X' + 'D' + 'P' (88+68+80=236) */
#define XDP_DISPATCHER_MAGIC 236
/* default retval for dispatcher corresponds to the highest bit in the
* chain_call_actions bitmap; we use this to make sure the dispatcher always
* continues the calls chain if a function does not have an freplace program
* attached.
*/
#define XDP_DISPATCHER_RETVAL 31
#ifndef MAX_DISPATCHER_ACTIONS
#define MAX_DISPATCHER_ACTIONS 10
#endif
struct xdp_dispatcher_config {
__u8 magic; /* Set to XDP_DISPATCHER_MAGIC */
__u8 dispatcher_version; /* Set to XDP_DISPATCHER_VERSION */
__u8 num_progs_enabled; /* Number of active program slots */
__u8 is_xdp_frags; /* Whether this dispatcher is loaded with XDP frags support */
__u32 chain_call_actions[MAX_DISPATCHER_ACTIONS];
__u32 run_prios[MAX_DISPATCHER_ACTIONS];
__u32 program_flags[MAX_DISPATCHER_ACTIONS];
};
#endif
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