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/Ip4Dxe/Ip4Igmp.h

@@ -0,0 +1,120 @@
+/** @file
+
+Copyright (c) 2005 - 2006, 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:
+
+  Ip4Igmp.h
+
+Abstract:
+
+
+**/
+
+#ifndef __EFI_IP4_IGMP_H__
+#define __EFI_IP4_IGMP_H__
+
+#pragma pack(1)
+typedef struct {
+  UINT8                   Type;
+  UINT8                   MaxRespTime;
+  UINT16                  Checksum;
+  IP4_ADDR                Group;
+} IGMP_HEAD;
+#pragma pack()
+
+//
+// The status of multicast group. It isn't necessary to maintain
+// explicit state of host state diagram. A group with non-zero
+// DelayTime is in "delaying member" state. otherwise, it is in
+// "idle member" state.
+//
+typedef struct {
+  NET_LIST_ENTRY          Link;
+  INTN                    RefCnt;
+  IP4_ADDR                Address;
+  INTN                    DelayTime;
+  BOOLEAN                 ReportByUs;
+  EFI_MAC_ADDRESS         Mac;
+} IGMP_GROUP;
+
+//
+// The IGMP status. Each IP4 service instance has a IGMP_SERVICE_DATA
+// attached. The Igmpv1QuerySeen remember whether the server on this
+// connected network is v1 or v2.
+//
+typedef struct {
+  INTN                    Igmpv1QuerySeen;
+  NET_LIST_ENTRY          Groups;
+} IGMP_SERVICE_DATA;
+
+enum {
+  //
+  // IGMP message type
+  //
+  IGMP_MEMBERSHIP_QUERY     = 0x11,
+  IGMP_V1_MEMBERSHIP_REPORT = 0x12,
+  IGMP_V2_MEMBERSHIP_REPORT = 0x16,
+  IGMP_LEAVE_GROUP          = 0x17,
+
+  IGMP_V1ROUTER_PRESENT     = 400,
+  IGMP_UNSOLICIATED_REPORT  = 10,
+};
+
+EFI_STATUS
+Ip4InitIgmp (
+  IN IP4_SERVICE          *IpService
+  );
+
+EFI_STATUS
+Ip4JoinGroup (
+  IN IP4_PROTOCOL         *IpInstance,
+  IN IP4_ADDR             Address
+  );
+
+EFI_STATUS
+Ip4LeaveGroup (
+  IN IP4_PROTOCOL         *IpInstance,
+  IN IP4_ADDR             Address
+  );
+
+EFI_STATUS
+Ip4IgmpHandle (
+  IN IP4_SERVICE          *IpService,
+  IN IP4_HEAD             *Head,
+  IN NET_BUF              *Packet
+  );
+
+VOID
+Ip4IgmpTicking (
+  IN IP4_SERVICE          *IpService
+  );
+
+IP4_ADDR *
+Ip4CombineGroups (
+  IN  IP4_ADDR            *SourceGroups,
+  IN  UINT32              Count,
+  IN  IP4_ADDR            Addr
+  );
+
+INTN
+Ip4RemoveGroupAddr (
+  IN IP4_ADDR             *Group,
+  IN UINT32               GroupCnt,
+  IN IP4_ADDR             Addr
+  );
+
+IGMP_GROUP *
+Ip4FindGroup (
+  IN IGMP_SERVICE_DATA    *IgmpCtrl,
+  IN IP4_ADDR             Address
+  );
+#endif