busybox/networking/udhcp/arpping.h
2002-10-14 21:41:28 +00:00

31 lines
894 B
C

/*
* 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 {
struct ethhdr ethhdr; /* Ethernet header */
u_short htype; /* hardware type (must be ARPHRD_ETHER) */
u_short ptype; /* protocol type (must be ETH_P_IP) */
u_char hlen; /* hardware address length (must be 6) */
u_char plen; /* protocol address length (must be 4) */
u_short operation; /* ARP opcode */
u_char sHaddr[6]; /* sender's hardware address */
u_char sInaddr[4]; /* sender's IP address */
u_char tHaddr[6]; /* target's hardware address */
u_char tInaddr[4]; /* target's IP address */
u_char pad[18]; /* pad for min. Ethernet payload (60 bytes) */
};
/* function prototypes */
int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *arp, char *interface);
#endif