Initial revision

[oweals/u-boot.git] / net / bootp.h

diff --git a/net/bootp.h b/net/bootp.h
new file mode 100644 (file)
index 0000000..0b31639
--- /dev/null
+++ b/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__ */