arp.h

44B0+8019系统

//-----------------------------------------------------------------------------
// ARP.H
//
//-----------------------------------------------------------------------------


// Allow up to 10 entries in ARP cache
#define CACHESIZE		10

// ARP cache entry expiration time = 20 minutes
#define CACHETIME		20		// 60 second intervals

// Allow 2 seconds to receive an ARP reply
#define ARP_TIMEOUT	 4		  // 0.5 second intervals

void init_arp();
unsigned char *arp_resolve(unsigned int dest_ipaddr);
void arp_rcve(unsigned char *inbuf);
void age_arp_cache();
void arp_retransmit();

/* ARP Tools */
void arp_getHader( void *inbuf,void *h );
void arp_setHader( void *inbuf,void *h );