diff options
Diffstat (limited to 'NetworkPkg/Ip6Dxe/Ip6Icmp.h')
| -rw-r--r-- | NetworkPkg/Ip6Dxe/Ip6Icmp.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/NetworkPkg/Ip6Dxe/Ip6Icmp.h b/NetworkPkg/Ip6Dxe/Ip6Icmp.h new file mode 100644 index 0000000..6852ae5 --- /dev/null +++ b/NetworkPkg/Ip6Dxe/Ip6Icmp.h @@ -0,0 +1,108 @@ +/** @file
+ Header file for ICMPv6 protocol.
+
+ Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+
+ 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.
+
+**/
+
+#ifndef __EFI_IP6_ICMP_H__
+#define __EFI_IP6_ICMP_H__
+
+#define ICMP_V6_DEFAULT_CODE 0
+
+#define ICMP_V6_ERROR_MAX 127
+
+//
+// ICMPv6 message classes, each class of ICMPv6 message shares
+// a common message format. INVALID_MESSAGE is only a flag.
+//
+#define ICMP_V6_INVALID_MESSAGE 0
+#define ICMP_V6_ERROR_MESSAGE 1
+#define ICMP_V6_INFORMATION_MESSAGE 2
+
+
+extern EFI_IP6_ICMP_TYPE mIp6SupportedIcmp[];
+
+/**
+ Handle the ICMPv6 packet. First validate the message format,
+ then, according to the message types, process it as an informational packet or
+ an error packet.
+
+ @param[in] IpSb The IP service that received the packet.
+ @param[in] Head The IP head of the ICMPv6 packet.
+ @param[in] Packet The content of the ICMPv6 packet with IP head
+ removed.
+
+ @retval EFI_INVALID_PARAMETER The packet is malformated.
+ @retval EFI_SUCCESS The ICMPv6 message successfully processed.
+ @retval Others Failed to handle the ICMPv6 packet.
+
+**/
+EFI_STATUS
+Ip6IcmpHandle (
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IP6_HEADER *Head,
+ IN NET_BUF *Packet
+ );
+
+/**
+ Check whether the DestinationAddress is an anycast address.
+
+ @param[in] IpSb The IP service that received the packet.
+ @param[in] DestinationAddress Points to the Destination Address of the packet.
+
+ @retval TRUE The DestinationAddress is anycast address.
+ @retval FALSE The DestinationAddress is not anycast address.
+
+**/
+BOOLEAN
+Ip6IsAnycast (
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *DestinationAddress
+ );
+
+/**
+ Generate ICMPv6 error message and send it out to DestinationAddress. Currently
+ Destination Unreachable message, Time Exceeded message and Parameter Problem
+ message are supported.
+
+ @param[in] IpSb The IP service that received the packet.
+ @param[in] Packet The packet which invoking ICMPv6 error.
+ @param[in] SourceAddress If not NULL, points to the SourceAddress.
+ Otherwise, the IP layer will select a source address
+ according to the DestinationAddress.
+ @param[in] DestinationAddress Points to the Destination Address of the ICMPv6
+ error message.
+ @param[in] Type The type of the ICMPv6 message.
+ @param[in] Code The additional level of the ICMPv6 message.
+ @param[in] Pointer If not NULL, identifies the octet offset within
+ the invoking packet where the error was detected.
+
+ @retval EFI_INVALID_PARAMETER The packet is malformated.
+ @retval EFI_OUT_OF_RESOURCES There is no sufficient resource to complete the
+ operation.
+ @retval EFI_SUCCESS The ICMPv6 message was successfully sent out.
+ @retval Others Failed to generate the ICMPv6 packet.
+
+**/
+EFI_STATUS
+Ip6SendIcmpError (
+ IN IP6_SERVICE *IpSb,
+ IN NET_BUF *Packet,
+ IN EFI_IPv6_ADDRESS *SourceAddress OPTIONAL,
+ IN EFI_IPv6_ADDRESS *DestinationAddress,
+ IN UINT8 Type,
+ IN UINT8 Code,
+ IN UINT32 *Pointer OPTIONAL
+ );
+
+#endif
+
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