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/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef PACKET_BURST_GENERATOR_H_
#define PACKET_BURST_GENERATOR_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <rte_mbuf.h>
#include <rte_ether.h>
#include <rte_ip.h>
#include <rte_udp.h>


#define IPV4_ADDR(a, b, c, d)(((a & 0xff) << 24) | ((b & 0xff) << 16) | \
		((c & 0xff) << 8) | (d & 0xff))

#define PACKET_BURST_GEN_PKT_LEN 60
#define PACKET_BURST_GEN_PKT_LEN_128 128


void
initialize_eth_header(struct ether_hdr *eth_hdr, struct ether_addr *src_mac,
		struct ether_addr *dst_mac, uint8_t vlan_enabled, uint16_t van_id);

uint16_t
initialize_udp_header(struct udp_hdr *udp_hdr, uint16_t src_port,
		uint16_t dst_port, uint16_t pkt_data_len);


uint16_t
initialize_ipv6_header(struct ipv6_hdr *ip_hdr, uint8_t *src_addr,
		uint8_t *dst_addr, uint16_t pkt_data_len);

uint16_t
initialize_ipv4_header(struct ipv4_hdr *ip_hdr, uint32_t src_addr,
		uint32_t dst_addr, uint16_t pkt_data_len);

int
generate_packet_burst(struct rte_mempool *mp, struct rte_mbuf **pkts_burst,
		struct ether_hdr *eth_hdr, uint8_t vlan_enabled, void *ip_hdr,
		uint8_t ipv4, struct udp_hdr *udp_hdr, int nb_pkt_per_burst,
		uint8_t pkt_len, uint8_t nb_pkt_segs);

#ifdef __cplusplus
}
#endif


#endif /* PACKET_BURST_GENERATOR_H_ */