add iSCSI protocol

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4423 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/iScsi/IScsiDhcp.h

@@ -0,0 +1,57 @@
+/*++
+
+Copyright (c)  2007 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+Module Name:
+
+  IScsiDhcp.h
+
+Abstract:
+
+--*/
+
+#ifndef _ISCSI_DHCP_H_
+#define _ISCSI_DHCP_H_
+
+//#include "Tiano.h"
+//#include EFI_PROTOCOL_CONSUMER (Dhcp4)
+#include "protocol\Dhcp4.h"
+
+#define DHCP4_TAG_PARA_LIST             55
+#define DHCP4_TAG_NETMASK               1
+#define DHCP4_TAG_ROUTER                3
+#define DHCP4_TAG_DNS                   6
+#define DHCP4_TAG_SERVER_ID             54
+#define DHCP4_TAG_ROOT_PATH             17
+#define ISCSI_ROOT_PATH_ID              "iscsi:"
+#define ISCSI_ROOT_PATH_FIELD_DELIMITER ':'
+
+enum {
+  RP_FIELD_IDX_SERVERNAME = 0,
+  RP_FIELD_IDX_PROTOCOL,
+  RP_FIELD_IDX_PORT,
+  RP_FIELD_IDX_LUN,
+  RP_FIELD_IDX_TARGETNAME,
+  RP_FIELD_IDX_MAX
+};
+
+typedef struct _ISCSI_ROOT_PATH_FIELD {
+  CHAR8 *Str;
+  UINT8 Len;
+} ISCSI_ROOT_PATH_FIELD;
+
+EFI_STATUS
+IScsiDoDhcp (
+  IN EFI_HANDLE                 Image,
+  IN EFI_HANDLE                 Controller,
+  IN ISCSI_SESSION_CONFIG_DATA  *ConfigData
+  );
+
+#endif