mirror of
https://github.com/openvswitch/ovs
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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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/*
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* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DPIF_NETDEV_H
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#define DPIF_NETDEV_H 1
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "openvswitch/types.h"
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#include "ofpbuf.h"
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#include "packets.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Enough headroom to add a vlan tag, plus an extra 2 bytes to allow IP
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* headers to be aligned on a 4-byte boundary. */
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enum { DP_NETDEV_HEADROOM = 2 + VLAN_HEADER_LEN };
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static inline void dp_packet_pad(struct ofpbuf *b)
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{
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if (b->size < ETH_TOTAL_MIN) {
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ofpbuf_put_zeros(b, ETH_TOTAL_MIN - b->size);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* netdev.h */
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