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104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/** @file
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Header file for ICMP protocol.
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Copyright (c) 2005 - 2009, Intel Corporation. All rights reserved.<BR>
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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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**/
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#ifndef __EFI_IP4_ICMP_H__
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#define __EFI_IP4_ICMP_H__
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//
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// ICMP type definations
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//
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#define ICMP_ECHO_REPLY 0
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#define ICMP_DEST_UNREACHABLE 3
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#define ICMP_SOURCE_QUENCH 4
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#define ICMP_REDIRECT 5
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#define ICMP_ECHO_REQUEST 8
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#define ICMP_TIME_EXCEEDED 11
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#define ICMP_PARAMETER_PROBLEM 12
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#define ICMP_TIMESTAMP 13
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#define ICMP_INFO_REQUEST 15
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#define ICMP_INFO_REPLY 16
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#define ICMP_TYPE_MAX ICMP_INFO_REPLY
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#define 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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#define ICMP_NET_UNREACHABLE 0
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#define ICMP_HOST_UNREACHABLE 1
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#define ICMP_PROTO_UNREACHABLE 2 // Host may generate
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#define ICMP_PORT_UNREACHABLE 3 // Host may generate
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#define ICMP_FRAGMENT_FAILED 4
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#define ICMP_SOURCEROUTE_FAILED 5 // Host may generate
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#define ICMP_NET_UNKNOWN 6
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#define ICMP_HOST_UNKNOWN 7
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#define ICMP_SOURCE_ISOLATED 8
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#define ICMP_NET_PROHIBITED 9
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#define ICMP_HOST_PROHIBITED 10
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#define ICMP_NET_UNREACHABLE_TOS 11
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#define 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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#define ICMP_TIMEOUT_IN_TRANSIT 0
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#define 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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#define ICMP_NET_REDIRECT 0
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#define ICMP_HOST_REDIRECT 1
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#define ICMP_NET_TOS_REDIRECT 2
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#define 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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#define ICMP_INVALID_MESSAGE 0
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#define ICMP_ERROR_MESSAGE 1
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#define ICMP_QUERY_MESSAGE 2
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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[in] IpSb The IP service that receivd the packet
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@param[in] Head The IP head of the ICMP query packet
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@param[in] 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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