NetworkPkg/UefiPxeBcDxe:Add two PCD to control PXE.
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1695 Setup need provide an item for user to control IPV46 PXE boot. Origin UefiPxeBcDxe driver doesn't have such interface. This change added two PCD to control IPV4/6 PXE in PxeBcSupported(). Platform code should override this two PCD according to Setup value. code change no side effect on current PXE function with default PCD. Signed-off-by: Xue ShengfengX <shengfengx.xue@intel.com> Cc: Siyuan Fu <siyuan.fu@intel.com> Cc: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
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Fu Siyuan
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@@ -2,7 +2,7 @@
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This EFI_PXE_BASE_CODE_PROTOCOL and EFI_LOAD_FILE_PROTOCOL.
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interfaces declaration.
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Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@@ -78,6 +78,9 @@ typedef struct _PXEBC_VIRTUAL_NIC PXEBC_VIRTUAL_NIC;
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#define PXEBC_PRIVATE_DATA_FROM_ID(a) CR (a, PXEBC_PRIVATE_DATA, Id, PXEBC_PRIVATE_DATA_SIGNATURE)
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#define PXEBC_VIRTUAL_NIC_FROM_LOADFILE(a) CR (a, PXEBC_VIRTUAL_NIC, LoadFile, PXEBC_VIRTUAL_NIC_SIGNATURE)
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#define PXE_ENABLED 0x01
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#define PXE_DISABLED 0x00
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typedef union {
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PXEBC_DHCP4_PACKET_CACHE Dhcp4;
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PXEBC_DHCP6_PACKET_CACHE Dhcp6;
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