8 #include <netinet/if_ether.h>
9 #include <net/if_arp.h>
11 #include <netinet/in.h>
14 struct ethhdr ethhdr; /* Ethernet header */
15 uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */
16 uint16_t ptype; /* protocol type (must be ETH_P_IP) */
17 uint8_t hlen; /* hardware address length (must be 6) */
18 uint8_t plen; /* protocol address length (must be 4) */
19 uint16_t operation; /* ARP opcode */
20 uint8_t sHaddr[6]; /* sender's hardware address */
21 uint8_t sInaddr[4]; /* sender's IP address */
22 uint8_t tHaddr[6]; /* target's hardware address */
23 uint8_t tInaddr[4]; /* target's IP address */
24 uint8_t pad[18]; /* pad for min. Ethernet payload (60 bytes) */
27 /* function prototypes */
28 int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);