Intel Extensible Firmware Interface, Specification

Page: 286 / 494

Extensible Firmware Interface Specification
268 12/12/00 Version 1.02
14.1.10 EFI_PXE_BASE_CODE.SetParameters()
Summary
Updates the parameters that affect the operation of the PXE Base Code Protocol.
Prototype
EFI_STATUS
(EFIAPI *EFI_PXE_BASE_CODE_SET_PARAMETERS) (
IN EFI_PXE_BASE_CODE *This,
IN BOOLEAN *NewAutoArp, OPTIONAL
IN BOOLEAN *NewSendGUID, OPTIONAL
IN UINT8 *NewTTL, OPTIONAL
IN UINT8 *NewToS, OPTIONAL
IN BOOLEAN *NewMakeCallback OPTIONAL
);
Parameters
This
Pointer to the
EFI_PXE_BASE_CODE
instance.
NewAutoArp
If not
NULL
, a pointer to a value that specifies whether to replace the
current value of
AutoARP
:
TRUE
for automatic ARP packet generation,
FALSE
otherwise. If
NULL
, this parameter is ignored.
NewSendGUID
If not
NULL
, a pointer to a value that specifies whether to replace the
current value of
SendGUID
:
TRUE
to send the SystemGUID (if there is
one) as the client hardware address in DHCP;
FALSE
to send client NIC
MAC address. If
NULL
, this parameter is ignored.
NewTTL
If not
NULL
, a pointer to be used in place of the current value of
TTL
,
the “time to live” field of the IP header. If
NULL
, this parameter is
ignored.
NewToS
If not
NULL
, a pointer to be used in place of the current value of
ToS
,
the “type of service” field of the IP header. If
NULL
, this parameter is
ignored.
NewMakeCallback
If not
NULL
, a pointer to a value that specifies whether to replace the
current value of the
MakeCallback
field of the Mode structure. If
NULL
, this parameter is ignored. If the Callback Protocol is not available
EFI_INVALID_PARAMETER
is returned.