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/** @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 {
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;
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
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