From e9561aafc07ba27e281053a336c85b4fbc2df51b Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Wed, 9 Aug 2006 02:56:40 +0000
Subject: Derive xid dynamically from the netdev, so that we can call
 create_dhcp_packet() from pxe_preboot.c, after the dhcp_session is long gone.

Expose the functions required by pxe_preboot.c
---
 src/include/gpxe/dhcp.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/include')

diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index 5f1943eba..10e423190 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -426,8 +426,6 @@ struct dhcp_session {
 	/** Options obtained from server */
 	struct dhcp_option_block *options;
 
-	/** Transaction ID, in network-endian order */
-	uint32_t xid;
 	/** State of the session
 	 *
 	 * This is a value for the @c DHCP_MESSAGE_TYPE option
@@ -467,6 +465,12 @@ extern void find_global_dhcp_ipv4_option ( unsigned int tag,
 extern void delete_dhcp_option ( struct dhcp_option_block *options,
 				 unsigned int tag );
 
+extern struct dhcp_option_block dhcp_request_options;
+extern int create_dhcp_packet ( struct net_device *netdev, uint8_t msgtype,
+				void *data, size_t max_len,
+				struct dhcp_packet *dhcppkt );
+extern int copy_dhcp_packet_options ( struct dhcp_packet *dhcppkt,
+				      struct dhcp_option_block *options );
 extern struct async_operation * start_dhcp ( struct dhcp_session *dhcp );
 
 #endif /* _GPXE_DHCP_H */
-- 
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