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121 lines
2.7 KiB
C
121 lines
2.7 KiB
C
/** @file
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Copyright (c) 2005 - 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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Ip4Igmp.h
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Abstract:
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**/
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#ifndef __EFI_IP4_IGMP_H__
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#define __EFI_IP4_IGMP_H__
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#pragma pack(1)
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typedef struct {
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UINT8 Type;
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UINT8 MaxRespTime;
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UINT16 Checksum;
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IP4_ADDR Group;
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} IGMP_HEAD;
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#pragma pack()
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//
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// The status of multicast group. It isn't necessary to maintain
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// explicit state of host state diagram. A group with non-zero
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// DelayTime is in "delaying member" state. otherwise, it is in
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// "idle member" state.
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//
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typedef struct {
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LIST_ENTRY Link;
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INTN RefCnt;
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IP4_ADDR Address;
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INTN DelayTime;
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BOOLEAN ReportByUs;
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EFI_MAC_ADDRESS Mac;
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} IGMP_GROUP;
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//
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// The IGMP status. Each IP4 service instance has a IGMP_SERVICE_DATA
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// attached. The Igmpv1QuerySeen remember whether the server on this
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// connected network is v1 or v2.
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//
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typedef struct {
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INTN Igmpv1QuerySeen;
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LIST_ENTRY Groups;
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} IGMP_SERVICE_DATA;
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enum {
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//
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// IGMP message type
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//
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IGMP_MEMBERSHIP_QUERY = 0x11,
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IGMP_V1_MEMBERSHIP_REPORT = 0x12,
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IGMP_V2_MEMBERSHIP_REPORT = 0x16,
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IGMP_LEAVE_GROUP = 0x17,
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IGMP_V1ROUTER_PRESENT = 400,
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IGMP_UNSOLICIATED_REPORT = 10
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};
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EFI_STATUS
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Ip4InitIgmp (
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IN IP4_SERVICE *IpService
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);
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EFI_STATUS
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Ip4JoinGroup (
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IN IP4_PROTOCOL *IpInstance,
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IN IP4_ADDR Address
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);
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EFI_STATUS
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Ip4LeaveGroup (
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IN IP4_PROTOCOL *IpInstance,
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IN IP4_ADDR Address
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);
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EFI_STATUS
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Ip4IgmpHandle (
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IN IP4_SERVICE *IpService,
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IN IP4_HEAD *Head,
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IN NET_BUF *Packet
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);
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VOID
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Ip4IgmpTicking (
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IN IP4_SERVICE *IpService
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);
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IP4_ADDR *
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Ip4CombineGroups (
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IN IP4_ADDR *SourceGroups,
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IN UINT32 Count,
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IN IP4_ADDR Addr
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);
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INTN
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Ip4RemoveGroupAddr (
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IN IP4_ADDR *Group,
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IN UINT32 GroupCnt,
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IN IP4_ADDR Addr
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);
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IGMP_GROUP *
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Ip4FindGroup (
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IN IGMP_SERVICE_DATA *IgmpCtrl,
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IN IP4_ADDR Address
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);
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#endif
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