rte_reorder.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2014 Intel Corporation
 */

#ifndef _RTE_REORDER_H_
#define _RTE_REORDER_H_

#include <rte_compat.h>
#include <rte_mbuf.h>
#include <rte_mbuf_dyn.h>

#ifdef __cplusplus
extern "C" {
#endif

struct rte_reorder_buffer;

typedef uint32_t rte_reorder_seqn_t;
extern int rte_reorder_seqn_dynfield_offset;

__rte_experimental
static inline rte_reorder_seqn_t *
rte_reorder_seqn(struct rte_mbuf *mbuf)
{
    return RTE_MBUF_DYNFIELD(mbuf, rte_reorder_seqn_dynfield_offset,
        rte_reorder_seqn_t *);
}

struct rte_reorder_buffer *
rte_reorder_create(const char *name, unsigned socket_id, unsigned int size);

struct rte_reorder_buffer *
rte_reorder_init(struct rte_reorder_buffer *b, unsigned int bufsize,
        const char *name, unsigned int size);

struct rte_reorder_buffer *
rte_reorder_find_existing(const char *name);

void
rte_reorder_reset(struct rte_reorder_buffer *b);

void
rte_reorder_free(struct rte_reorder_buffer *b);

int
rte_reorder_insert(struct rte_reorder_buffer *b, struct rte_mbuf *mbuf);

unsigned int
rte_reorder_drain(struct rte_reorder_buffer *b, struct rte_mbuf **mbufs,
        unsigned max_mbufs);

__rte_experimental
unsigned int
rte_reorder_drain_up_to_seqn(struct rte_reorder_buffer *b, struct rte_mbuf **mbufs,
        unsigned int max_mbufs, rte_reorder_seqn_t seqn);

__rte_experimental
unsigned int
rte_reorder_min_seqn_set(struct rte_reorder_buffer *b, rte_reorder_seqn_t min_seqn);

__rte_experimental
unsigned int
rte_reorder_memory_footprint_get(unsigned int size);

#ifdef __cplusplus
}
#endif

#endif /* _RTE_REORDER_H_ */