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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 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 DPIF_NETDEV_H
#define DPIF_NETDEV_H 1
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "openvswitch/types.h"
#include "ofpbuf.h"
#include "packets.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Enough headroom to add a vlan tag, plus an extra 2 bytes to allow IP
* headers to be aligned on a 4-byte boundary. */
enum { DP_NETDEV_HEADROOM = 2 + VLAN_HEADER_LEN };
static inline void dp_packet_pad(struct ofpbuf *b)
{
if (ofpbuf_size(b) < ETH_TOTAL_MIN) {
ofpbuf_put_zeros(b, ETH_TOTAL_MIN - ofpbuf_size(b));
}
}
#define NR_QUEUE 1
#ifdef __cplusplus
}
#endif
#endif /* netdev.h */
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