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#ifndef _GPXE_FEATURES_H
#define _GPXE_FEATURES_H
#include <stdint.h>
#include <gpxe/tables.h>
#include <gpxe/dhcp.h>
/** @file
*
* Feature list
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
/**
* @defgroup featurecat Feature categories
* @{
*/
#define FEATURE_PROTOCOL 01 /**< Network protocols */
#define FEATURE_IMAGE 02 /**< Image formats */
#define FEATURE_MISC 03 /**< Miscellaneous */
/** @} */
/**
* @defgroup dhcpfeatures DHCP feature option tags
*
* DHCP feature option tags are Etherboot encapsulated options in the
* range 0x10-0x7f.
*
* @{
*/
#define DHCP_EB_FEATURE_PXE_EXT 0x10 /**< PXE API extensions */
#define DHCP_EB_FEATURE_ISCSI 0x11 /**< iSCSI protocol */
#define DHCP_EB_FEATURE_AOE 0x12 /**< AoE protocol */
#define DHCP_EB_FEATURE_HTTP 0x13 /**< HTTP protocol */
#define DHCP_EB_FEATURE_HTTPS 0x14 /**< HTTPS protocol */
#define DHCP_EB_FEATURE_TFTP 0x15 /**< TFTP protocol */
#define DHCP_EB_FEATURE_FTP 0x16 /**< FTP protocol */
#define DHCP_EB_FEATURE_DNS 0x17 /**< DNS protocol */
#define DHCP_EB_FEATURE_BZIMAGE 0x18 /**< bzImage format */
#define DHCP_EB_FEATURE_MULTIBOOT 0x19 /**< Multiboot format */
#define DHCP_EB_FEATURE_SLAM 0x1a /**< SLAM protocol */
#define DHCP_EB_FEATURE_SRP 0x1b /**< SRP protocol */
#define DHCP_EB_FEATURE_NBI 0x20 /**< NBI format */
#define DHCP_EB_FEATURE_PXE 0x21 /**< PXE format */
#define DHCP_EB_FEATURE_ELF 0x22 /**< ELF format */
#define DHCP_EB_FEATURE_COMBOOT 0x23 /**< COMBOOT format */
#define DHCP_EB_FEATURE_EFI 0x24 /**< EFI format */
/** @} */
/** DHCP feature table */
#define DHCP_FEATURES __table ( uint8_t, "dhcp_features" )
/** Declare a feature code for DHCP */
#define __dhcp_feature __table_entry ( DHCP_FEATURES, 01 )
/** Construct a DHCP feature table entry */
#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 */
struct feature {
/** Feature name */
char *name;
};
/** Named feature table */
#define FEATURES __table ( struct feature, "features" )
/** Declare a named feature */
#define __feature_name( category ) __table_entry ( FEATURES, category )
/** Construct a named feature */
#define FEATURE_NAME( category, text ) \
_FEATURE_NAME ( category, OBJECT, text )
#define _FEATURE_NAME( category, _name, text ) \
__FEATURE_NAME ( category, _name, text )
#define __FEATURE_NAME( category, _name, text ) \
struct feature __feature_ ## _name __feature_name ( category ) = { \
.name = text, \
};
/** Declare a feature */
#define FEATURE( category, text, feature_opt, version ) \
FEATURE_NAME ( category, text ); \
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 */
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