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/*
* Copyright (c) 2008, 2009 Nicira Networks.
*
* 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 QUEUE_H
#define QUEUE_H 1
/* Packet queue. */
struct ovs_queue {
int n; /* Number of queued packets. */
struct ofpbuf *head; /* First queued packet, null if n == 0. */
struct ofpbuf *tail; /* Last queued packet, null if n == 0. */
};
void queue_init(struct ovs_queue *);
void queue_destroy(struct ovs_queue *);
void queue_clear(struct ovs_queue *);
void queue_advance_head(struct ovs_queue *, struct ofpbuf *next);
void queue_push_tail(struct ovs_queue *, struct ofpbuf *);
struct ofpbuf *queue_pop_head(struct ovs_queue *);
#endif /* queue.h */
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