Initial revision

net/bootp.h

@@ -0,0 +1,95 @@
+/*
+ *	Copied from LiMon - BOOTP.
+ *
+ *	Copyright 1994, 1995, 2000 Neil Russell.
+ *	(See License)
+ *	Copyright 2000 Paolo Scaffardi
+ */
+
+#ifndef __BOOTP_H__
+#define __BOOTP_H__
+
+#ifndef __NET_H__
+#include	<net.h>
+#endif /* __NET_H__ */
+
+/**********************************************************************/
+
+/*
+ *	BOOTP header.
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
+#define OPT_SIZE 312	/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
+#else
+#define OPT_SIZE 64
+#endif
+
+typedef struct
+{
+	uchar		bp_op;		/* Operation				*/
+# define OP_BOOTREQUEST	1
+# define OP_BOOTREPLY	2
+	uchar		bp_htype;	/* Hardware type			*/
+# define HWT_ETHER	1
+	uchar		bp_hlen;	/* Hardware address length		*/
+# define HWL_ETHER	6
+	uchar		bp_hops;	/* Hop count (gateway thing)		*/
+	ulong		bp_id;		/* Transaction ID			*/
+	ushort		bp_secs;	/* Seconds since boot			*/
+	ushort		bp_spare1;	/* Alignment				*/
+	IPaddr_t	bp_ciaddr;	/* Client IP address			*/
+	IPaddr_t	bp_yiaddr;	/* Your (client) IP address		*/
+	IPaddr_t	bp_siaddr;	/* Server IP address			*/
+	IPaddr_t	bp_giaddr;	/* Gateway IP address			*/
+	uchar		bp_chaddr[16];	/* Client hardware address		*/
+	char		bp_sname[64];	/* Server host name			*/
+	char		bp_file[128];	/* Boot file name			*/
+	char		bp_vend[OPT_SIZE];	/* Vendor information			*/
+}	Bootp_t;
+
+#define BOOTP_HDR_SIZE	sizeof (Bootp_t)
+#define BOOTP_SIZE	(ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE)
+
+/**********************************************************************/
+/*
+ *	Global functions and variables.
+ */
+
+/* bootp.c */
+extern ulong	BootpID;		/* ID of cur BOOTP request		*/
+extern char	BootFile[128];		/* Boot file name			*/
+extern int	BootpTry;
+#ifdef CONFIG_BOOTP_RANDOM_DELAY
+ulong		seed1, seed2;		/* seed for random BOOTP delay		*/
+#endif
+
+
+/* Send a BOOTP request */
+extern void	BootpRequest (void);
+
+/****************** DHCP Support *********************/
+extern void DhcpRequest(void);
+
+/* DHCP States */
+typedef enum { INIT,
+	       INIT_REBOOT,
+	       REBOOTING,
+	       SELECTING,
+	       REQUESTING,
+	       REBINDING,
+	       BOUND,
+	       RENEWING } dhcp_state_t;
+
+#define DHCP_DISCOVER 1
+#define DHCP_OFFER    2
+#define DHCP_REQUEST  3
+#define DHCP_DECLINE  4
+#define DHCP_ACK      5
+#define DHCP_NAK      6
+#define DHCP_RELEASE  7
+
+#define SELECT_TIMEOUT 3	/* Seconds to wait for offers */
+
+/**********************************************************************/
+
+#endif /* __BOOTP_H__ */