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src0131
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enet.h
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1990-11-10
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#ifndef _ENET_H
#define _ENET_H
/* Generic Ethernet constants and templates */
#ifndef _GLOBAL_H
#include "global.h"
#endif
#ifndef _MBUF_H
#include "mbuf.h"
#endif
#ifndef _IFACE_H
#include "iface.h"
#endif
#define EADDR_LEN 6
/* Format of an Ethernet header */
struct ether {
char dest[EADDR_LEN];
char source[EADDR_LEN];
int16 type;
};
#define ETHERLEN 14
/* Ethernet broadcast address */
extern char Ether_bdcst[];
/* Ethernet type fields */
#define IP_TYPE 0x800 /* Type field for IP */
#define ARP_TYPE 0x806 /* Type field for ARP */
#define REVARP_TYPE 0x8035 /* Type field for reverse ARP */
#define RUNT 60 /* smallest legal size packet, no fcs */
#define GIANT 1514 /* largest legal size packet, no fcs */
#define MAXTRIES 16 /* Maximum number of transmission attempts */
/* In file enet.c: */
char *pether __ARGS((char *out,char *addr));
int gether __ARGS((char *out,char *cp));
int enet_send __ARGS((struct mbuf *bp,struct iface *iface,int32 gateway,int prec,
int del,int tput,int rel));
int enet_output __ARGS((struct iface *iface,char dest[],char source[],int16 type,
struct mbuf *data));
void eproc __ARGS((struct iface *iface,struct mbuf *bp));
/* In enethdr.c: */
struct mbuf *htonether __ARGS((struct ether *ether,struct mbuf *data));
int ntohether __ARGS((struct ether *ether,struct mbuf **bpp));
#endif /* _ENET_H */