src/arphdr.h

   1 #ifndef IPTRAF_NG_ARPHDR_H
   2 #define IPTRAF_NG_ARPHDR_H
   3
   4 /*
   5  * arp header format, stolen from the Linux include files.
   6  */
   7
   8 struct arp_hdr {
   9         unsigned short ar_hrd;  /* format of hardware address   */
  10         unsigned short ar_pro;  /* format of protocol address   */
  11         unsigned char ar_hln;   /* length of hardware address   */
  12         unsigned char ar_pln;   /* length of protocol address   */
  13         unsigned short ar_op;   /* ARP opcode (command)         */
  14
  15         /*
  16          * Ethernet looks like this : This bit is variable sized however...
  17          */
  18         unsigned char ar_sha[ETH_ALEN]; /* sender hardware address      */
  19         unsigned char ar_sip[4];        /* sender IP address            */
  20         unsigned char ar_tha[ETH_ALEN]; /* target hardware address      */
  21         unsigned char ar_tip[4];        /* target IP address            */
  22 };
  23
  24 #endif  /* IPTRAF_NG_ARPHDR_H */