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/* $NetBSD: ether.h,v 1.3 1994/10/27 04:21:12 cgd Exp $ */
/*
* source in this file came from
* the Mach ethernet boot written by Leendert van Doorn.
*
* Ethernet definitions
*/
#define ETH_ADDRSIZE 6 /* address size */
/*
* Structure of an ethernet header
*/
typedef struct {
u_char eth_dst[ETH_ADDRSIZE]; /* destination address */
u_char eth_src[ETH_ADDRSIZE]; /* source address */
u_short eth_proto; /* protocol type */
} ethhdr_t;
/* protocol types */
#define ETHTYPE_IP 0x0800 /* IP protocol */
#define ETHTYPE_ARP 0x0806 /* ARP protocol */
#define ETHTYPE_RARP 0x8035 /* Reverse ARP protocol */
extern u_char eth_myaddr[];
int EtherInit(void);
void EtherReset(void);
void EtherStop(void);
void EtherSend(packet_t *pkt, u_short proto, u_char *dest);
packet_t *EtherReceive(void);
void EtherPrintAddr(u_char *addr);
/* TBD - move these elsewhere? */
static inline u_short
htons(u_short x) {
return ((x >> 8) & 0xff)
| ((x & 0xff) << 8);
}
#if 0
static inline u_short
ntohs(u_short x) {
return x >> 8 & 0xff
| (x & 0xff) << 8;
}
#else
static inline u_short
ntohs(u_short x) {
return htons(x);
}
#endif
static inline u_long
htonl(u_long x) {
return (x >> 24 & 0xffL)
| (x >> 8 & 0xff00L)
| (x << 8 & 0xff0000L)
| (x << 24 & 0xff000000L);
}
#if 0
static inline u_long
ntohl(u_long x) {
return x >> 24 & 0xffL
| x >> 8 & 0xff00L
| x << 8 & 0xff0000L
| x << 24 & 0xff000000L;
}
#else
static inline u_long
ntohl(u_long x) {
return htonl(x);
}
#endif
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