forked from osmocom/wireshark
89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/* packet-isis-lsp.h
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* Defines and such for LSP and their CLV decodes
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*
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* $Id: packet-isis-lsp.h,v 1.19 2003/12/08 20:40:33 guy Exp $
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* Stuart Stanley <stuarts@mxmail.net>
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _PACKET_ISIS_LSP_H
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#define _PACKET_ISIS_LSP_H
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/*
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* Declarations for L1/L2 LSP base header.
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*/
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/* P | ATT | HIPPITY | DS FIELD description */
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#define ISIS_LSP_PARTITION_MASK 0x80
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#define ISIS_LSP_PARTITION_SHIFT 7
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#define ISIS_LSP_PARTITION(info) (((info) & ISIS_LSP_PARTITION_MASK) >> ISIS_LSP_PARTITION_SHIFT)
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#define ISIS_LSP_ATT_MASK 0x78
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#define ISIS_LSP_ATT_SHIFT 3
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#define ISIS_LSP_ATT(info) (((info) & ISIS_LSP_ATT_MASK) >> ISIS_LSP_ATT_SHIFT)
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#define ISIS_LSP_ATT_ERROR(info) ((info) >> 3)
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#define ISIS_LSP_ATT_EXPENSE(info) (((info) >> 2) & 1)
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#define ISIS_LSP_ATT_DELAY(info) (((info) >> 1) & 1)
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#define ISIS_LSP_ATT_DEFAULT(info) ((info) & 1)
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#define ISIS_LSP_HIPPITY_MASK 0x04
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#define ISIS_LSP_HIPPITY_SHIFT 2
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#define ISIS_LSP_HIPPITY(info) (((info) & ISIS_LSP_HIPPITY_MASK) >> ISIS_LSP_HIPPITY_SHIFT)
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#define ISIS_LSP_IS_TYPE_MASK 0x03
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#define ISIS_LSP_IS_TYPE(info) ((info) & ISIS_LSP_IS_TYPE_MASK)
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#define ISIS_LSP_MT_MSHIP_RES_MASK 4
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#define ISIS_LSP_MT_MSHIP_RES_SHIFT 12
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#define ISIS_LSP_MT_MSHIP_RES(info) (((info) >> ISIS_LSP_MT_MSHIP_RES_SHIFT) & ISIS_LSP_MT_MSHIP_RES_MASK)
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#define ISIS_LSP_MT_MSHIP_ID_MASK 0x0FFF
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#define ISIS_LSP_MT_MSHIP_ID(info) ((info) & ISIS_LSP_MT_MSHIP_ID_MASK)
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#define ISIS_LSP_TYPE_UNUSED0 0
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#define ISIS_LSP_TYPE_LEVEL_1 1
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#define ISIS_LSP_TYPE_UNUSED2 2
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#define ISIS_LSP_TYPE_LEVEL_2 3
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#define ISIS_LSP_ATTACHED_NONE 0
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#define ISIS_LSP_ATTACHED_DEFAULT 1
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#define ISIS_LSP_ATTACHED_DELAY 2
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#define ISIS_LSP_ATTACHED_EXPENSE 4
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#define ISIS_LSP_ATTACHED_ERROR 8
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#define ISIS_LSP_CLV_METRIC_SUPPORTED(x) ((x)&0x80)
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#define ISIS_LSP_CLV_METRIC_IE(x) ((x)&0x40)
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#define ISIS_LSP_CLV_METRIC_RESERVED(x) ((x)&0x40)
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#define ISIS_LSP_CLV_METRIC_UPDOWN(x) ((x)&0x80)
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#define ISIS_LSP_CLV_METRIC_VALUE(x) ((x)&0x3f)
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/*
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* Published API functions. NOTE, this are "local" API functions and
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* are only valid from with isis decodes.
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*/
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extern void isis_dissect_isis_lsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, int hello_type, int header_length, int id_length);
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extern void isis_register_lsp(int proto_isis);
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#endif /* _PACKET_ISIS_LSP_H */
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