rte_flow_driver.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2016 6WIND S.A.
 * Copyright 2016 Mellanox Technologies, Ltd
 */

#ifndef RTE_FLOW_DRIVER_H_
#define RTE_FLOW_DRIVER_H_

#include <stdint.h>

#include "rte_ethdev.h"
#include "rte_flow.h"

#ifdef __cplusplus
extern "C" {
#endif

struct rte_flow_ops {
    int (*validate)
        (struct rte_eth_dev *,
         const struct rte_flow_attr *,
         const struct rte_flow_item [],
         const struct rte_flow_action [],
         struct rte_flow_error *);
    struct rte_flow *(*create)
        (struct rte_eth_dev *,
         const struct rte_flow_attr *,
         const struct rte_flow_item [],
         const struct rte_flow_action [],
         struct rte_flow_error *);
    int (*destroy)
        (struct rte_eth_dev *,
         struct rte_flow *,
         struct rte_flow_error *);
    int (*flush)
        (struct rte_eth_dev *,
         struct rte_flow_error *);
    int (*query)
        (struct rte_eth_dev *,
         struct rte_flow *,
         const struct rte_flow_action *,
         void *,
         struct rte_flow_error *);
    int (*isolate)
        (struct rte_eth_dev *,
         int,
         struct rte_flow_error *);
    int (*dev_dump)
        (struct rte_eth_dev *dev,
         FILE *file,
         struct rte_flow_error *error);
    int (*get_aged_flows)
        (struct rte_eth_dev *dev,
         void **context,
         uint32_t nb_contexts,
         struct rte_flow_error *err);
};

const struct rte_flow_ops *
rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error);

#define RTE_FLOW_EXPAND_RSS_NEXT(...) \
    (const int []){ \
        __VA_ARGS__, 0, \
    }

struct rte_flow_expand_node {
    const int *const next;
    const enum rte_flow_item_type type;
    uint64_t rss_types;
};

struct rte_flow_expand_rss {
    uint32_t entries;
    struct {
        struct rte_flow_item *pattern; 
        uint32_t priority; 
    } entry[];
};

__rte_experimental
int
rte_flow_expand_rss(struct rte_flow_expand_rss *buf, size_t size,
            const struct rte_flow_item *pattern, uint64_t types,
            const struct rte_flow_expand_node graph[],
            int graph_root_index);

#ifdef __cplusplus
}
#endif

#endif /* RTE_FLOW_DRIVER_H_ */