initial import of NetBSD tree

1 files changed, 77 insertions, 0 deletions

diff --git a/sys/arch/i386/netboot/ether.h b/sys/arch/i386/netboot/ether.h
new file mode 100644
index 00000000000..fc215ff69f6
--- /dev/null
+++ b/sys/arch/i386/netboot/ether.h
@@ -0,0 +1,77 @@
+/*	$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