DPDK  17.02.1
rte_arp.h
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31 
32 #ifndef _RTE_ARP_H_
33 #define _RTE_ARP_H_
34 
41 #include <stdint.h>
42 #include <rte_ether.h>
43 
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47 
51 struct arp_ipv4 {
53  uint32_t arp_sip;
55  uint32_t arp_tip;
56 } __attribute__((__packed__));
57 
61 struct arp_hdr {
62  uint16_t arp_hrd; /* format of hardware address */
63 #define ARP_HRD_ETHER 1 /* ARP Ethernet address format */
64 
65  uint16_t arp_pro; /* format of protocol address */
66  uint8_t arp_hln; /* length of hardware address */
67  uint8_t arp_pln; /* length of protocol address */
68  uint16_t arp_op; /* ARP opcode (command) */
69 #define ARP_OP_REQUEST 1 /* request to resolve address */
70 #define ARP_OP_REPLY 2 /* response to previous request */
71 #define ARP_OP_REVREQUEST 3 /* request proto addr given hardware */
72 #define ARP_OP_REVREPLY 4 /* response giving protocol address */
73 #define ARP_OP_INVREQUEST 8 /* request to identify peer */
74 #define ARP_OP_INVREPLY 9 /* response identifying peer */
75 
76  struct arp_ipv4 arp_data;
77 } __attribute__((__packed__));
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif /* _RTE_ARP_H_ */