if_arp.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
#ifndef _IF_ARP_H
#define _IF_ARP_H
#include "types.h"
#define ARP_REQUEST 1
#define ARP_REPLY 2
#ifndef MAX_ARP_RETRIES
#define MAX_ARP_RETRIES 20
#endif
/*
* A pity sipaddr and tipaddr are not longword aligned or we could use
* in_addr. No, I don't want to use #pragma packed.
*/
struct arprequest {
uint16_t hwtype;
uint16_t protocol;
uint8_t hwlen;
uint8_t protolen;
uint16_t opcode;
uint8_t shwaddr[6];
uint8_t sipaddr[4];
uint8_t thwaddr[6];
uint8_t tipaddr[4];
};
#endif /* _IF_ARP_H */