From 4c5a5e0cfecf23526493bf9a05c0530805bf10ec Mon Sep 17 00:00:00 2001
From: tye1 <tye1@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 17 Aug 2011 02:38:08 +0000
Subject: Add IScsiDxe driver to NetworkPkg in order to support iSCSI over IPv6
 stack and iSCSI MPIO.

Signed-off-by: tye1
Reviewed-by: hhuan13
Reviewed-by: eric_tian


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12149 6f19259b-4bc3-4df7-8a09-765794883524
---
 NetworkPkg/IScsiDxe/IScsiDhcp6.h | 79 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 NetworkPkg/IScsiDxe/IScsiDhcp6.h

(limited to 'NetworkPkg/IScsiDxe/IScsiDhcp6.h')

diff --git a/NetworkPkg/IScsiDxe/IScsiDhcp6.h b/NetworkPkg/IScsiDxe/IScsiDhcp6.h
new file mode 100644
index 0000000000..fe3dfb7e4d
--- /dev/null
+++ b/NetworkPkg/IScsiDxe/IScsiDhcp6.h
@@ -0,0 +1,79 @@
+/** @file
+  The header file of iSCSI DHCP6 related configuration routines.
+
+Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _ISCSI_DHCP6_H_
+#define _ISCSI_DHCP6_H_
+
+#define DHCP6_OPT_REQUEST_OPTION 6
+#define DHCP6_OPT_VENDOR_INFO    17
+#define DHCP6_OPT_DNS_SERVERS    23
+///
+/// Assigned by IANA, RFC 5970
+///
+#define DHCP6_OPT_BOOT_FILE_URL  59
+
+#define ISCSI_ROOT_PATH_ID                   "iscsi:"
+#define ISCSI_ROOT_PATH_FIELD_DELIMITER      ':'
+#define ISCSI_ROOT_PATH_ADDR_START_DELIMITER '['
+#define ISCSI_ROOT_PATH_ADDR_END_DELIMITER   ']'
+
+
+/**
+  Extract the Root Path option and get the required target information from
+  Boot File Uniform Resource Locator (URL) Option.
+
+  @param[in]       RootPath      The RootPath string.
+  @param[in]       Length        Length of the RootPath option payload.
+  @param[in, out]  ConfigData    The iSCSI session configuration data read from
+                                 nonvolatile device.
+
+  @retval EFI_SUCCESS            All required information is extracted from the
+                                 RootPath option.
+  @retval EFI_NOT_FOUND          The RootPath is not an iSCSI RootPath.
+  @retval EFI_OUT_OF_RESOURCES   Failed to allocate memory.
+  @retval EFI_INVALID_PARAMETER  The RootPath is malformatted.
+
+**/
+EFI_STATUS
+IScsiDhcp6ExtractRootPath (
+  IN     CHAR8                        *RootPath,
+  IN     UINT16                       Length,
+  IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
+  );
+
+/**
+  Parse the DHCP ACK to get the address configuration and DNS information.
+
+  @param[in]       Image         The handle of the driver image.
+  @param[in]       Controller    The handle of the controller;
+  @param[in, out]  ConfigData    The attempt configuration data.
+
+  @retval EFI_SUCCESS            The DNS information is got from the DHCP ACK.
+  @retval EFI_NO_MAPPING         DHCP failed to acquire address and other
+                                 information.
+  @retval EFI_INVALID_PARAMETER  The DHCP ACK's DNS option is malformatted.
+  @retval EFI_DEVICE_ERROR       Some unexpected error happened.
+  @retval EFI_OUT_OF_RESOURCES   There is no sufficient resource to finish the
+                                 operation.
+  @retval EFI_NO_MEDIA           There was a media error.
+
+**/
+EFI_STATUS
+IScsiDoDhcp6 (
+  IN     EFI_HANDLE                  Image,
+  IN     EFI_HANDLE                  Controller,
+  IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
+  );
+
+#endif
-- 
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