1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2013 6WIND S.A.
15 #include <rte_ether.h>
17 #ifndef RTE_NET_NO_COMPAT
18 #include <rte_arp_compat.h>
26 * ARP header IPv4 payload.
29 struct rte_ether_addr arp_sha; /**< sender hardware address */
30 uint32_t arp_sip; /**< sender IP address */
31 struct rte_ether_addr arp_tha; /**< target hardware address */
32 uint32_t arp_tip; /**< target IP address */
33 } __attribute__((__packed__));
39 uint16_t arp_hardware; /* format of hardware address */
40 #define RTE_ARP_HRD_ETHER 1 /* ARP Ethernet address format */
42 uint16_t arp_protocol; /* format of protocol address */
43 uint8_t arp_hlen; /* length of hardware address */
44 uint8_t arp_plen; /* length of protocol address */
45 uint16_t arp_opcode; /* ARP opcode (command) */
46 #define RTE_ARP_OP_REQUEST 1 /* request to resolve address */
47 #define RTE_ARP_OP_REPLY 2 /* response to previous request */
48 #define RTE_ARP_OP_REVREQUEST 3 /* request proto addr given hardware */
49 #define RTE_ARP_OP_REVREPLY 4 /* response giving protocol address */
50 #define RTE_ARP_OP_INVREQUEST 8 /* request to identify peer */
51 #define RTE_ARP_OP_INVREPLY 9 /* response identifying peer */
53 struct rte_arp_ipv4 arp_data;
54 } __attribute__((__packed__));
58 * @b EXPERIMENTAL: this API may change without prior notice
60 * Make a RARP packet based on MAC addr.
63 * Pointer to the rte_mempool
65 * Pointer to the MAC addr
68 * - RARP packet pointer on success, or NULL on error
70 struct rte_mbuf * __rte_experimental
71 rte_net_make_rarp_packet(struct rte_mempool *mpool,
72 const struct rte_ether_addr *mac);
78 #endif /* _RTE_ARP_H_ */