3 * Copyright(c) 2013 6WIND.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
15 * * Neither the name of 6WIND S.A. nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ARP header IPv4 payload.
51 uint8_t arp_sha[6]; /* sender hardware address */
52 uint8_t arp_sip[4]; /* sender IP address */
53 uint8_t arp_tha[6]; /* target hardware address */
54 uint8_t arp_tip[4]; /* target IP address */
55 } __attribute__((__packed__));
61 uint16_t arp_hrd; /* format of hardware address */
62 #define ARP_HRD_ETHER 1 /* ARP Ethernet address format */
64 uint16_t arp_pro; /* format of protocol address */
65 uint8_t arp_hln; /* length of hardware address */
66 uint8_t arp_pln; /* length of protocol address */
67 uint16_t arp_op; /* ARP opcode (command) */
68 #define ARP_OP_REQUEST 1 /* request to resolve address */
69 #define ARP_OP_REPLY 2 /* response to previous request */
70 #define ARP_OP_REVREQUEST 3 /* request proto addr given hardware */
71 #define ARP_OP_REVREPLY 4 /* response giving protocol address */
72 #define ARP_OP_INVREQUEST 8 /* request to identify peer */
73 #define ARP_OP_INVREPLY 9 /* response identifying peer */
76 struct arp_ipv4 arp_ip;
78 } __attribute__((__packed__));
84 #endif /* _RTE_ARP_H_ */