/usr/include/dpdk/rte_arp.h is in libdpdk-dev 2.2.0-0ubuntu7.
This file is owned by root:root, with mode 0o644.
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*
* Copyright(c) 2013 6WIND.
*
* 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 6WIND S.A. 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 _RTE_ARP_H_
#define _RTE_ARP_H_
/**
* @file
*
* ARP-related defines
*/
#include <stdint.h>
#include <rte_ether.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* ARP header IPv4 payload.
*/
struct arp_ipv4 {
struct ether_addr arp_sha; /**< sender hardware address */
uint32_t arp_sip; /**< sender IP address */
struct ether_addr arp_tha; /**< target hardware address */
uint32_t arp_tip; /**< target IP address */
} __attribute__((__packed__));
/**
* ARP header.
*/
struct arp_hdr {
uint16_t arp_hrd; /* format of hardware address */
#define ARP_HRD_ETHER 1 /* ARP Ethernet address format */
uint16_t arp_pro; /* format of protocol address */
uint8_t arp_hln; /* length of hardware address */
uint8_t arp_pln; /* length of protocol address */
uint16_t arp_op; /* ARP opcode (command) */
#define ARP_OP_REQUEST 1 /* request to resolve address */
#define ARP_OP_REPLY 2 /* response to previous request */
#define ARP_OP_REVREQUEST 3 /* request proto addr given hardware */
#define ARP_OP_REVREPLY 4 /* response giving protocol address */
#define ARP_OP_INVREQUEST 8 /* request to identify peer */
#define ARP_OP_INVREPLY 9 /* response identifying peer */
struct arp_ipv4 arp_data;
} __attribute__((__packed__));
#ifdef __cplusplus
}
#endif
#endif /* _RTE_ARP_H_ */
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