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authorMichael Brown2009-01-08 09:39:05 +0100
committerMichael Brown2009-01-08 09:39:05 +0100
commitba1016f3786081652fb02707ddc40a557523e3ff (patch)
tree4c1a732f12488982c57f2f511958ed7b9affc9cc
parent[main] Print an "initialising devices" banner (diff)
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[dhcp] Include gPXE version number within DHCP request
-rw-r--r--src/Makefile1
-rw-r--r--src/include/gpxe/dhcp.h3
-rw-r--r--src/include/gpxe/features.h23
-rw-r--r--src/net/udp/dhcp.c4
4 files changed, 21 insertions, 10 deletions
diff --git a/src/Makefile b/src/Makefile
index eed91f030..147f6997f 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -123,6 +123,7 @@ MM_VERSION = $(VERSION_MAJOR).$(VERSION_MINOR)
VERSION = $(MM_VERSION).$(VERSION_PATCH)$(EXTRAVERSION)
CFLAGS += -DVERSION_MAJOR=$(VERSION_MAJOR) \
-DVERSION_MINOR=$(VERSION_MINOR) \
+ -DVERSION_PATCH=$(VERSION_PATCH) \
-DVERSION=\"$(VERSION)\"
IDENT = '$(@F) $(VERSION) (GPL) etherboot.org'
version :
diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index e89503d39..cd3964c55 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -260,6 +260,9 @@ struct dhcp_packet;
*/
#define DHCP_EB_REVERSE_PASSWORD DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xc1 )
+/** gPXE version number */
+#define DHCP_EB_VERSION DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xeb )
+
/** iSCSI primary target IQN */
#define DHCP_ISCSI_PRIMARY_TARGET_IQN 201
diff --git a/src/include/gpxe/features.h b/src/include/gpxe/features.h
index e4d29213b..32c316947 100644
--- a/src/include/gpxe/features.h
+++ b/src/include/gpxe/features.h
@@ -51,17 +51,16 @@
/** @} */
/** Declare a feature code for DHCP */
-#define __dhcp_feature( category ) \
- __table ( uint8_t, dhcp_features, category )
+#define __dhcp_feature __table ( uint8_t, dhcp_features, 01 )
/** Construct a DHCP feature table entry */
-#define DHCP_FEATURE( category, feature_opt, version ) \
- _DHCP_FEATURE ( category, OBJECT, feature_opt, version )
-#define _DHCP_FEATURE( category, _name, feature_opt, version ) \
- __DHCP_FEATURE ( category, _name, feature_opt, version )
-#define __DHCP_FEATURE( category, _name, feature_opt, version ) \
- uint8_t __dhcp_feature_ ## _name [] __dhcp_feature ( category ) = { \
- feature_opt, DHCP_BYTE ( version ) \
+#define DHCP_FEATURE( feature_opt, ... ) \
+ _DHCP_FEATURE ( OBJECT, feature_opt, __VA_ARGS__ )
+#define _DHCP_FEATURE( _name, feature_opt, ... ) \
+ __DHCP_FEATURE ( _name, feature_opt, __VA_ARGS__ )
+#define __DHCP_FEATURE( _name, feature_opt, ... ) \
+ uint8_t __dhcp_feature_ ## _name [] __dhcp_feature = { \
+ feature_opt, DHCP_OPTION ( __VA_ARGS__ ) \
};
/** A named feature */
@@ -87,6 +86,10 @@ struct feature {
/** Declare a feature */
#define FEATURE( category, text, feature_opt, version ) \
FEATURE_NAME ( category, text ); \
- DHCP_FEATURE ( category, feature_opt, version );
+ DHCP_FEATURE ( feature_opt, version );
+
+/** Declare the version number feature */
+#define FEATURE_VERSION( ... ) \
+ DHCP_FEATURE ( DHCP_ENCAPSULATED ( DHCP_EB_VERSION ), __VA_ARGS__ )
#endif /* _GPXE_FEATURES_H */
diff --git a/src/net/udp/dhcp.c b/src/net/udp/dhcp.c
index 213478323..2ef8c084d 100644
--- a/src/net/udp/dhcp.c
+++ b/src/net/udp/dhcp.c
@@ -38,6 +38,7 @@
#include <gpxe/dhcp.h>
#include <gpxe/dhcpopts.h>
#include <gpxe/dhcppkt.h>
+#include <gpxe/features.h>
/** @file
*
@@ -93,6 +94,9 @@ static struct dhcp_options dhcp_request_options = {
static uint8_t dhcp_features[0] __table_start ( uint8_t, dhcp_features );
static uint8_t dhcp_features_end[0] __table_end ( uint8_t, dhcp_features );
+/** Version number feature */
+FEATURE_VERSION ( VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH );
+
/** DHCP network device descriptor */
struct dhcp_netdev_desc {
/** Bus type ID */