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mfea_kernel_messages.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 
00003 // Copyright (c) 2001-2009 XORP, Inc.
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License, Version 2, June
00007 // 1991 as published by the Free Software Foundation. Redistribution
00008 // and/or modification of this program under the terms of any other
00009 // version of the GNU General Public License is not permitted.
00010 // 
00011 // This program is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00014 // see the GNU General Public License, Version 2, a copy of which can be
00015 // found in the XORP LICENSE.gpl file.
00016 // 
00017 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00018 // http://xorp.net
00019 
00020 // $XORP: xorp/fea/mfea_kernel_messages.hh,v 1.9 2008/10/02 21:56:49 bms Exp $
00021 
00022 #ifndef __FEA_MFEA_KERNEL_MESSAGES_HH__
00023 #define __FEA_MFEA_KERNEL_MESSAGES_HH__
00024 
00025 
00026 //
00027 // The header file for defining various kernel signal message types.
00028 //
00029 // Those messages are typically sent from the Multicast FEA to the
00030 // multicast routing protocols.
00031 //
00032 
00033 
00034 //
00035 // Constants definitions
00036 //
00037 
00038 //
00039 // The types of the kernel multicast signal messages
00040 // 
00041 // Note that MFEA_KERNEL_MESSAGE_BW_UPCALL is not sent by the
00042 // Mfea to the protocol instances, because it is not always supported
00043 // by the kernel. Therefore, the Mfea implements a work-around mechanism
00044 // at user-level, and it uses separate channel to propagate
00045 // this information to the protocol instances.
00046 // 
00047 #define MFEA_KERNEL_MESSAGE_NOCACHE 1
00048 #define MFEA_KERNEL_MESSAGE_WRONGVIF    2
00049 #define MFEA_KERNEL_MESSAGE_WHOLEPKT    3
00050 #define MFEA_KERNEL_MESSAGE_BW_UPCALL   4
00051 
00052 
00053 //
00054 // Structures, typedefs and macros
00055 //
00056 //
00057 
00058 //
00059 // Global variables
00060 //
00061 
00062 
00063 //
00064 // Global functions prototypes
00065 //
00066 
00067 #endif // __FEA_MFEA_KERNEL_MESSAGES_HH__
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