mirror of https://github.com/acidanthera/audk.git
115 lines
3.2 KiB
C
115 lines
3.2 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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Ip4Icmp.h
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Abstract:
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Header file for ICMP protocol.
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**/
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#ifndef __EFI_IP4_ICMP_H__
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#define __EFI_IP4_ICMP_H__
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typedef enum {
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//
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// ICMP type definations
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//
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ICMP_ECHO_REPLY = 0,
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ICMP_DEST_UNREACHABLE = 3,
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ICMP_SOURCE_QUENCH = 4,
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ICMP_REDIRECT = 5,
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ICMP_ECHO_REQUEST = 8,
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ICMP_TIME_EXCEEDED = 11,
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ICMP_PARAMETER_PROBLEM = 12,
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ICMP_TIMESTAMP = 13,
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ICMP_INFO_REQUEST = 15,
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ICMP_INFO_REPLY = 16,
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ICMP_TYPE_MAX = ICMP_INFO_REPLY,
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ICMP_DEFAULT_CODE = 0,
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//
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// ICMP code definations for ICMP_DEST_UNREACHABLE
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//
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ICMP_NET_UNREACHABLE = 0,
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ICMP_HOST_UNREACHABLE = 1,
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ICMP_PROTO_UNREACHABLE = 2, // Host may generate
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ICMP_PORT_UNREACHABLE = 3, // Host may generate
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ICMP_FRAGMENT_FAILED = 4,
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ICMP_SOURCEROUTE_FAILED = 5, // Host may generate
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ICMP_NET_UNKNOWN = 6,
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ICMP_HOST_UNKNOWN = 7,
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ICMP_SOURCE_ISOLATED = 8,
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ICMP_NET_PROHIBITED = 9,
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ICMP_HOST_PROHIBITED = 10,
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ICMP_NET_UNREACHABLE_TOS = 11,
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ICMP_HOST_UNREACHABLE_TOS = 12,
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//
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// ICMP code definations for ICMP_TIME_EXCEEDED
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//
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ICMP_TIMEOUT_IN_TRANSIT = 0,
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ICMp_TIMEOUT_REASSEMBLE = 1, // Host may generate
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//
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// ICMP code definations for ICMP_TIME_EXCEEDED
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//
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ICMP_NET_REDIRECT = 0,
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ICMP_HOST_REDIRECT = 1,
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ICMP_NET_TOS_REDIRECT = 2,
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ICMP_HOST_TOS_REDIRECT = 3,
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//
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// ICMP message classes, each class of ICMP message shares
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// a common message format. INVALID_MESSAGE is only a flag.
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//
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ICMP_INVALID_MESSAGE = 0,
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ICMP_ERROR_MESSAGE = 1,
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ICMP_QUERY_MESSAGE = 2
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} ICMP_ENUM_TYPES;
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typedef struct {
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UINT8 IcmpType;
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UINT8 IcmpClass;
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} IP4_ICMP_CLASS;
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extern IP4_ICMP_CLASS mIcmpClass[];
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extern EFI_IP4_ICMP_TYPE mIp4SupportedIcmp[];
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/**
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Handle the ICMP packet. First validate the message format,
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then according to the message types, process it as query or
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error packet.
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@param IpSb The IP service that receivd the packet
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@param Head The IP head of the ICMP query packet
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@param Packet The content of the ICMP query with IP head
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removed.
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@retval EFI_INVALID_PARAMETER The packet is malformated.
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@retval EFI_SUCCESS The ICMP message is successfully processed.
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@retval Others Failed to handle ICMP packet.
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**/
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EFI_STATUS
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Ip4IcmpHandle (
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IN IP4_SERVICE *IpSb,
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IN IP4_HEAD *Head,
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IN NET_BUF *Packet
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);
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#endif
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