Import ArpDxe, Dhcp4Dxe, Ip4Dxe, Mtftp4Dxe, PxeBcDxe and PxeDhcp4Dxe.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3492 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Network/PxeBcDxe/Hton.h

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+/** @file
+
+Copyright (c) 2004, Intel Corporation
+All rights reserved. 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.
+
+Module name:
+  hton.h
+
+Abstract:
+  Byte swapping macros.
+
+
+**/
+
+#ifndef _HTON_H_
+#define _HTON_H_
+
+//
+// Only Intel order functions are defined at this time.
+//
+#define HTONS(v)  (UINT16) ((((v) << 8) & 0xff00) + (((v) >> 8) & 0x00ff))
+
+#define HTONL(v) \
+  (UINT32) ((((v) << 24) & 0xff000000) + (((v) << 8) & 0x00ff0000) + (((v) >> 8) & 0x0000ff00) + (((v) >> 24) & 0x000000ff))
+
+#define HTONLL(v) swap64 (v)
+
+#define U8PTR(na) ((UINT8 *) &(na))
+
+#define NTOHS(ns) ((UINT16) (((*U8PTR (ns)) << 8) +*(U8PTR (ns) + 1)))
+
+#define NTOHL(ns) \
+    ((UINT32) (((*U8PTR (ns)) << 24) + ((*(U8PTR (ns) + 1)) << 16) + ((*(U8PTR (ns) + 2)) << 8) +*(U8PTR (ns) + 3)))
+
+#endif /* _HTON_H_ */
+
+/* EOF - hton.h */