78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/*
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* source in this file came from
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* the Mach ethernet boot written by Leendert van Doorn.
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*
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* Ethernet definitions
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*
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* $Id: ether.h,v 1.2 1993/08/02 17:52:53 mycroft Exp $
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*/
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#define ETH_ADDRSIZE 6 /* address size */
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/*
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* Structure of an ethernet header
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*/
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typedef struct {
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u_char eth_dst[ETH_ADDRSIZE]; /* destination address */
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u_char eth_src[ETH_ADDRSIZE]; /* source address */
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u_short eth_proto; /* protocol type */
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} ethhdr_t;
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/* protocol types */
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#define ETHTYPE_IP 0x0800 /* IP protocol */
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#define ETHTYPE_ARP 0x0806 /* ARP protocol */
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#define ETHTYPE_RARP 0x8035 /* Reverse ARP protocol */
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extern u_char eth_myaddr[];
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int EtherInit(void);
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void EtherReset(void);
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void EtherStop(void);
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void EtherSend(packet_t *pkt, u_short proto, u_char *dest);
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packet_t *EtherReceive(void);
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void EtherPrintAddr(u_char *addr);
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/* TBD - move these elsewhere? */
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static inline u_short
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htons(u_short x) {
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return ((x >> 8) & 0xff)
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| ((x & 0xff) << 8);
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}
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#if 0
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static inline u_short
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ntohs(u_short x) {
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return x >> 8 & 0xff
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| (x & 0xff) << 8;
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}
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#else
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static inline u_short
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ntohs(u_short x) {
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return htons(x);
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}
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#endif
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static inline u_long
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htonl(u_long x) {
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return (x >> 24 & 0xffL)
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| (x >> 8 & 0xff00L)
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| (x << 8 & 0xff0000L)
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| (x << 24 & 0xff000000L);
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}
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#if 0
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static inline u_long
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ntohl(u_long x) {
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return x >> 24 & 0xffL
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| x >> 8 & 0xff00L
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| x << 8 & 0xff0000L
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| x << 24 & 0xff000000L;
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}
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#else
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static inline u_long
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ntohl(u_long x) {
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return htonl(x);
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}
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#endif
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