1 /* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
4 * We are making the OpenFlow specification and associated documentation
5 * (Software) available for public use and benefit with the expectation
6 * that others will use, modify and enhance the Software and contribute
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11 * the Software under the copyrights without restriction, including
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14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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39 int n; /* Number of queued packets. */
40 struct buffer *head; /* First queued packet, null if n == 0. */
41 struct buffer *tail; /* Last queued packet, null if n == 0. */
44 void queue_init(struct queue *);
45 void queue_destroy(struct queue *);
46 void queue_clear(struct queue *);
47 void queue_advance_head(struct queue *, struct buffer *next);
48 void queue_push_tail(struct queue *, struct buffer *);
49 struct buffer *queue_pop_head(struct queue *);