/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2017 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _RTE_FLOW_CLASSIFY_PARSE_H_
#define _RTE_FLOW_CLASSIFY_PARSE_H_

#include <rte_ethdev.h>
#include <rte_ether.h>
#include <rte_flow.h>
#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef int (*parse_filter_t)(const struct rte_flow_attr *attr,
			      const struct rte_flow_item pattern[],
			      const struct rte_flow_action actions[],
			      struct rte_eth_ntuple_filter *filter,
			      struct rte_flow_error *error);

/* Skip all VOID items of the pattern */
void
classify_pattern_skip_void_item(struct rte_flow_item *items,
			    const struct rte_flow_item *pattern);

/* Find the first VOID or non-VOID item pointer */
const struct rte_flow_item *
classify_find_first_item(const struct rte_flow_item *item, bool is_void);


/* Find if there's parse filter function matched */
parse_filter_t
classify_find_parse_filter_func(struct rte_flow_item *pattern);

/* get action data */
struct rte_flow_action *
classify_get_flow_action(void);

#ifdef __cplusplus
}
#endif

#endif /* _RTE_FLOW_CLASSIFY_PARSE_H_ */