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/* vi: set sw=4 ts=4: */
/*
* arpping .h
*/
#ifndef ARPPING_H
#define ARPPING_H
#include <netinet/if_ether.h>
#include <net/if_arp.h>
#include <net/if.h>
#include <netinet/in.h>
struct arpMsg {
/* Ethernet header */
u_char h_dest[6]; /* destination ether addr */
u_char h_source[6]; /* source ether addr */
u_short h_proto; /* packet type ID field */
/* ARP packet */
uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */
uint16_t ptype; /* protocol type (must be ETH_P_IP) */
uint8_t hlen; /* hardware address length (must be 6) */
uint8_t plen; /* protocol address length (must be 4) */
uint16_t operation; /* ARP opcode */
uint8_t sHaddr[6]; /* sender's hardware address */
uint8_t sInaddr[4]; /* sender's IP address */
uint8_t tHaddr[6]; /* target's hardware address */
uint8_t tInaddr[4]; /* target's IP address */
uint8_t pad[18]; /* pad for min. Ethernet payload (60 bytes) */
} ATTRIBUTE_PACKED;
/* function prototypes */
int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
#endif
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