64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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#ifndef _GPXE_FEATURES_H
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#define _GPXE_FEATURES_H
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#include <stdint.h>
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#include <gpxe/tables.h>
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#include <gpxe/dhcp.h>
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/** @file
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*
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* Feature list
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*
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*/
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/**
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* @defgroup dhcpfeatures DHCP feature option tags
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*
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* DHCP feature option tags are Etherboot encapsulated options in the
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* range 0x10-0x7f.
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*
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* @{
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*/
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/** PXE API extensions */
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#define DHCP_EB_FEATURE_PXE_EXT 0x10
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/** iSCSI */
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#define DHCP_EB_FEATURE_ISCSI 0x11
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/** AoE */
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#define DHCP_EB_FEATURE_AOE 0x12
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/** @} */
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/** Declare a feature code for DHCP */
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#define __dhcp_feature __table ( uint8_t, dhcp_features, 01 )
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/** Construct a DHCP feature table entry */
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#define DHCP_FEATURE( feature_opt ) \
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_DHCP_FEATURE ( OBJECT, feature_opt )
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#define _DHCP_FEATURE( _name, feature_opt ) \
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__DHCP_FEATURE ( _name, feature_opt )
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#define __DHCP_FEATURE( _name, feature_opt ) \
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uint8_t __dhcp_feature_ ## _name [] __dhcp_feature = { \
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feature_opt, DHCP_BYTE ( 1 ) \
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};
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/** Declare a named feature */
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#define __feature_name __table ( char *, features, 01 )
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/** Construct a named feature */
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#define FEATURE_NAME( text ) \
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_FEATURE_NAME ( OBJECT, text )
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#define _FEATURE_NAME( _name, text ) \
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__FEATURE_NAME ( _name, text )
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#define __FEATURE_NAME( _name, text ) \
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char * __feature_ ## _name __feature_name = text;
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/** Declare a feature */
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#define FEATURE( text, feature_opt ) \
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FEATURE_NAME ( text ); \
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DHCP_FEATURE ( feature_opt );
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#endif /* _GPXE_FEATURES_H */
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