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/*
* Copyright (c) 2008, 2009, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PKTBUF_H
#define PKTBUF_H 1
#include <stddef.h>
#include <stdint.h>
#include "ofp-errors.h"
struct pktbuf;
struct ofpbuf;
int pktbuf_capacity(void);
struct pktbuf *pktbuf_create(void);
void pktbuf_destroy(struct pktbuf *);
uint32_t pktbuf_save(struct pktbuf *, const void *buffer, size_t buffer_size,
ofp_port_t in_port);
uint32_t pktbuf_get_null(void);
enum ofperr pktbuf_retrieve(struct pktbuf *, uint32_t id,
struct ofpbuf **bufferp, ofp_port_t *in_port);
void pktbuf_discard(struct pktbuf *, uint32_t id);
unsigned int pktbuf_count_packets(const struct pktbuf *);
#endif /* pktbuf.h */
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