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17.05.2
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librte_net
rte_arp.h
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/* BSD LICENSE
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*
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* Copyright(c) 2013 6WIND.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of 6WIND S.A. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTE_ARP_H_
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#define _RTE_ARP_H_
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#include <stdint.h>
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#include <
rte_ether.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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struct
arp_ipv4
{
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struct
ether_addr
arp_sha
;
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uint32_t
arp_sip
;
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struct
ether_addr
arp_tha
;
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uint32_t
arp_tip
;
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} __attribute__((__packed__));
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struct
arp_hdr
{
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uint16_t arp_hrd;
/* format of hardware address */
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#define ARP_HRD_ETHER 1
/* ARP Ethernet address format */
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uint16_t arp_pro;
/* format of protocol address */
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uint8_t arp_hln;
/* length of hardware address */
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uint8_t arp_pln;
/* length of protocol address */
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uint16_t arp_op;
/* ARP opcode (command) */
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#define ARP_OP_REQUEST 1
/* request to resolve address */
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#define ARP_OP_REPLY 2
/* response to previous request */
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#define ARP_OP_REVREQUEST 3
/* request proto addr given hardware */
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#define ARP_OP_REVREPLY 4
/* response giving protocol address */
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#define ARP_OP_INVREQUEST 8
/* request to identify peer */
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#define ARP_OP_INVREPLY 9
/* response identifying peer */
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struct
arp_ipv4
arp_data;
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} __attribute__((__packed__));
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _RTE_ARP_H_ */
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