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/*
* Copyright (c) 2014 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 PACKET_DPIF_H
#define PACKET_DPIF_H 1
#include "ofpbuf.h"
#ifdef __cplusplus
extern "C" {
#endif
/* A packet received from a netdev and passed to a dpif. */
struct dpif_packet {
struct ofpbuf ofpbuf; /* Packet data. */
#ifndef DPDK_NETDEV
uint32_t dp_hash; /* Packet hash. */
#endif
struct pkt_metadata md;
};
struct dpif_packet *dpif_packet_new_with_headroom(size_t size,
size_t headroom);
struct dpif_packet *dpif_packet_clone_from_ofpbuf(const struct ofpbuf *b);
struct dpif_packet *dpif_packet_clone(struct dpif_packet *p);
static inline void dpif_packet_delete(struct dpif_packet *p)
{
struct ofpbuf *buf = &p->ofpbuf;
ofpbuf_delete(buf);
}
static inline uint32_t dpif_packet_get_dp_hash(struct dpif_packet *p)
{
#ifdef DPDK_NETDEV
return p->ofpbuf.mbuf.pkt.hash.rss;
#else
return p->dp_hash;
#endif
}
static inline void dpif_packet_set_dp_hash(struct dpif_packet *p,
uint32_t hash)
{
#ifdef DPDK_NETDEV
p->ofpbuf.mbuf.pkt.hash.rss = hash;
#else
p->dp_hash = hash;
#endif
}
#ifdef __cplusplus
}
#endif
#endif /* packet-dpif.h */
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