8 #include <netinet/if_ether.h>
9 #include <net/if_arp.h>
11 #include <netinet/in.h>
14 struct ethhdr ethhdr; /* Ethernet header */
15 u_short htype; /* hardware type (must be ARPHRD_ETHER) */
16 u_short ptype; /* protocol type (must be ETH_P_IP) */
17 u_char hlen; /* hardware address length (must be 6) */
18 u_char plen; /* protocol address length (must be 4) */
19 u_short operation; /* ARP opcode */
20 u_char sHaddr[6]; /* sender's hardware address */
21 u_char sInaddr[4]; /* sender's IP address */
22 u_char tHaddr[6]; /* target's hardware address */
23 u_char tInaddr[4]; /* target's IP address */
24 u_char pad[18]; /* pad for min. Ethernet payload (60 bytes) */
27 /* function prototypes */
28 int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *arp, char *interface);