bios_cachedhcp.c File Reference

Cached DHCP packet. More...

#include <stdint.h>
#include <string.h>
#include <ipxe/init.h>
#include <ipxe/cachedhcp.h>
#include <realmode.h>
#include <pxe_api.h>

Go to the source code of this file.

Macros
#define	cached_dhcpack_phys   __use_data16 ( cached_dhcpack_phys )
#define	colour   &cached_dhcpack_phys
	Colour for debug messages.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
uint32_t	__bss16 (cached_dhcpack_phys)
	Cached DHCPACK physical address.
static void	cachedhcp_init (void)
	Cached DHCPACK initialisation function.
struct init_fn cachedhcp_init_fn	__init_fn (INIT_NORMAL)
	Cached DHCPACK initialisation function.

Detailed Description

Cached DHCP packet.

Definition in file bios_cachedhcp.c.

Macro Definition Documentation

cached_dhcpack_phys

#define cached_dhcpack_phys   __use_data16 ( cached_dhcpack_phys )

Definition at line 44 of file bios_cachedhcp.c.

Referenced by __bss16(), and cachedhcp_init().

colour

#define colour   &cached_dhcpack_phys

Colour for debug messages.

Definition at line 47 of file bios_cachedhcp.c.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

__bss16()

uint32_t __bss16

(

cached_dhcpack_phys

)

Cached DHCPACK physical address.

This can be set by the prefix.

References cached_dhcpack_phys.

cachedhcp_init()

void cachedhcp_init ( void )

static

Cached DHCPACK initialisation function.

Definition at line 53 of file bios_cachedhcp.c.

                                    {
        int rc;
 
        /* Do nothing if no cached DHCPACK is present */
        if ( ! cached_dhcpack_phys ) {
                DBGC ( colour, "CACHEDHCP found no cached DHCPACK\n" );
                return;
        }
 
        /* Record cached DHCPACK */
        if ( ( rc = cachedhcp_record ( &cached_dhcpack, 0,
                                       phys_to_virt ( cached_dhcpack_phys ),
                                       sizeof ( BOOTPLAYER_t ) ) ) != 0 ) {
                DBGC ( colour, "CACHEDHCP could not record DHCPACK: %s\n",
                       strerror ( rc ) );
                return;
        }
 
        /* Mark as consumed */
        cached_dhcpack_phys = 0;
}

References cached_dhcpack, cached_dhcpack_phys, cachedhcp_record(), colour, DBGC, rc, and strerror().

Referenced by __init_fn().

__init_fn()

struct init_fn cachedhcp_init_fn __init_fn

(

INIT_NORMAL

)

Cached DHCPACK initialisation function.

References __init_fn, cachedhcp_init(), and INIT_NORMAL.