arpping.h

   1 /*
   2  * arpping .h
   3  */
   4
   5 #ifndef ARPPING_H
   6 #define ARPPING_H
   7
   8 #include <netinet/if_ether.h>
   9 #include <net/if_arp.h>
  10 #include <net/if.h>
  11 #include <netinet/in.h>
  12
  13 struct arpMsg {
  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) */
  25 };
  26
  27 /* function prototypes */
  28 int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *arp, char *interface);
  29
  30 #endif