From 1567b698958cccde4c32e554ef56df7add3a06f6 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Thu, 5 Jul 2007 18:38:14 +0100
Subject: Add concept of DHCP option applicators.

---
 src/include/gpxe/dhcp.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/include')

diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index 3183a3a9d..caac91443 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -11,6 +11,7 @@
 #include <gpxe/list.h>
 #include <gpxe/in.h>
 #include <gpxe/refcnt.h>
+#include <gpxe/tables.h>
 
 struct net_device;
 struct job_interface;
@@ -438,6 +439,23 @@ struct dhcp_packet {
 	struct dhcp_option_block options;
 };
 
+/** A DHCP option applicator */
+struct dhcp_option_applicator {
+	/** DHCP option tag */
+	unsigned int tag;
+	/** Applicator
+	 *
+	 * @v tag	DHCP option tag
+	 * @v option	DHCP option
+	 * @ret rc	Return status code
+	 */
+	int ( * apply ) ( unsigned int tag, struct dhcp_option *option );
+};
+
+/** Declare a DHCP option applicator */
+#define __dhcp_applicator \
+	__table ( struct dhcp_option_applicator, dhcp_appicators, 01 )
+
 /**
  * Get reference to DHCP options block
  *
@@ -485,6 +503,7 @@ extern void find_global_dhcp_ipv4_option ( unsigned int tag,
 					   struct in_addr *inp );
 extern void delete_dhcp_option ( struct dhcp_option_block *options,
 				 unsigned int tag );
+extern int apply_dhcp_options ( struct dhcp_option_block *options );
 
 extern struct dhcp_option_block dhcp_request_options;
 extern int create_dhcp_packet ( struct net_device *netdev, uint8_t msgtype,
-- 
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