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Add concept of DHCP option applicators.

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This commit is contained in:
Michael Brown
2007-07-05 18:38:14 +01:00
parent d64e1be1f8
commit 1567b69895
4 changed files with 97 additions and 28 deletions
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19
src/include/gpxe/dhcp.h
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@@ -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,