reformatted sources, added start of bootp protocol implementation

BaS_gcc/include/bootp.h

@@ -0,0 +1,58 @@
+/*
+ * File:        bootp.h
+ * Purpose:     BOOTP definitions.
+ *
+ * Notes:
+ */
+
+#ifndef _BOOTP_H_
+#define _BOOTP_H_
+
+/********************************************************************/
+
+/*
+ * This data definition is defined for Ethernet only!
+ */
+typedef struct
+{
+    uint8_t type;			/* bootp operation type */
+    uint8_t htype;			/* hardware type */
+    uint8_t hlen;			/* hardware address length */
+	uint8_t hops;			/* hops */
+	uint32_t xid;			/* transaction identifier */
+	uint16_t secs;			/* seconds since trying to boot */
+	uint16_t flags;			/* only broadcast flag in use */
+	uint32_t cl_addr;		/* client ip address. Set to all 0 on request */
+	uint32_t yi_addr;		/* this field contains the new IP */
+	uint32_t gi_addr;		/* gateway address */
+	uint8_t ch_addr[16];	/* client hw address */
+	uint8_t sname[64];		/* server name */
+	uint8_t file[128];		/* name of bootfile */
+	uint8_t vend[64];		/* vendor specific (see below) */
+} bootp_frame_hdr;
+
+#define BOOTP_HDR_LEN		sizeof(bootp_frame_hdr)
+
+/* possible values for type field */
+#define BOOTP_TYPE_BOOTREQUEST	1
+#define BOOTP_TYPE_BOOTREPLY	2
+
+/* values for hardware type - we only use ethernet */
+#define BOOTP_HTYPE_ETHERNET	1
+
+/* values for hlen - again only ethernet defined */
+#define BOOTP_HLEN_ETHERNET		6
+
+/* values for flags - only broadcast flag in use */
+#define BOOTP_FLAGS_BROADCAST	1
+
+#define BOOTP_TIMEOUT     (1)     /* Timeout in seconds */
+
+/* Protocol Header information */
+#define BOOTP_HDR_OFFSET  ETH_HDR_LEN
+
+extern void bootp_request(NIF *, uint8_t *);
+extern void bootp_handler(NIF *, NBUF *);
+//extern void bootp_init(BOOTP_INFO *);
+
+#endif  /* _BOOTP_H_ */