From 6c01d3bb95c8dfbbbc3f2b4fb36fce6bd2f3e952 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 17 Jul 2006 13:07:14 +0000
Subject: Fix creation of the htype field; the ll_proto field from which it is
 derived is a 16-bit big-endian field, but htype is only 8 bits wide.

---
 src/include/gpxe/dhcp.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/include/gpxe')

diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index e35b7eaba..71c6c14a0 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -23,7 +23,9 @@ struct dhcp_packet {
 	uint8_t op;
 	/** Hardware address type
 	 *
-	 * This is an ARPHRD_XXX constant.
+	 * This is an ARPHRD_XXX constant.  Note that ARPHRD_XXX
+	 * constants are nominally 16 bits wide; this could be
+	 * considered to be a bug in the BOOTP/DHCP specification.
 	 */
 	uint8_t htype;
 	/** Hardware address length */
@@ -274,6 +276,14 @@ struct dhcp_option_block {
 	signed int priority;
 };
 
+/** A DHCP session */
+struct dhcp_session {
+	/** Network device being configured */
+	struct net_device *netdev;
+	/** Transaction ID, in network-endian order */
+	uint32_t xid;
+};
+
 extern unsigned long dhcp_num_option ( struct dhcp_option *option );
 extern struct dhcp_option *
 find_dhcp_option ( struct dhcp_option_block *options, unsigned int tag );
-- 
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