diff options
author | Guy Harris <guy@alum.mit.edu> | 1999-12-15 04:34:44 +0000 |
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committer | Guy Harris <guy@alum.mit.edu> | 1999-12-15 04:34:44 +0000 |
commit | 096134536efdb1155eb460a5d5cf6d528ec98bae (patch) | |
tree | 0a958301de2292ab1157f0cde0470c54a2712590 /packet-isis-snp.h | |
parent | 233f6e5846f634f4e3ab2cc36864ab87c77b208f (diff) |
Stuart Stanley's ISIS dissection support.
svn path=/trunk/; revision=1340
Diffstat (limited to 'packet-isis-snp.h')
-rw-r--r-- | packet-isis-snp.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/packet-isis-snp.h b/packet-isis-snp.h new file mode 100644 index 0000000000..15b7a92e44 --- /dev/null +++ b/packet-isis-snp.h @@ -0,0 +1,102 @@ +/* packet-isis-snp.h + * Defines and such for CSNP, PSNP, and their payloads + * + * $Id: packet-isis-snp.h,v 1.1 1999/12/15 04:34:19 guy Exp $ + * Stuart Stanley <stuarts@mxmail.net> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@zing.org> + * Copyright 1998 Gerald Combs + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * + */ + +#ifndef _PACKET_ISIS_SNP_H +#define _PACKET_ISIS_SNP_H + +/* + * Note, the spec say 133 for authentication, but everyone seems to use 10. + * Any clue on why this is would be appreciated! + */ + +/* + * detail cvls information for L1 CSNP packets + */ +#define ISIS_CLV_L1_CSNP_LSP_ENTRIES 9 +#define ISIS_CLV_L1_CSNP_AUTHENTICATION_NS 10 +#define ISIS_CLV_L1_CSNP_AUTHENTICATION 133 + +/* + * detail cvls information for L2 CSNP packets + */ +#define ISIS_CLV_L2_CSNP_LSP_ENTRIES 9 +#define ISIS_CLV_L2_CSNP_AUTHENTICATION_NS 10 +#define ISIS_CLV_L2_CSNP_AUTHENTICATION 133 + +/* + * detail cvls information for L1 PSNP packets + */ +#define ISIS_CLV_L1_PSNP_LSP_ENTRIES 9 +#define ISIS_CLV_L1_PSNP_AUTHENTICATION_NS 10 +#define ISIS_CLV_L1_PSNP_AUTHENTICATION 133 + +/* + * detail cvls information for L2 PSNP packets + */ +#define ISIS_CLV_L2_PSNP_LSP_ENTRIES 9 +#define ISIS_CLV_L2_PSNP_AUTHENTICATION_NS 10 +#define ISIS_CLV_L2_PSNP_AUTHENTICATION 133 + +/* + * Declare L1/L2 CSNP header + */ +typedef struct { + guint8 isis_csnp_pdu_length[2]; /* pdu length including hdr */ + guint8 isis_csnp_source_id[7]; /* source sysid */ + isis_lsp_id_t isis_csnp_start_lsp_id; /* start LSP id */ + isis_lsp_id_t isis_csnp_end_lsp_id; /* end LSP id */ +} isis_csnp_t; + +/* + * Declare L1/L2 PSNP header + */ +typedef struct { + guint8 isis_psnp_pdu_length[2]; /* pdu length including hdr */ + guint8 isis_psnp_source_id[7]; /* source sysid */ +} isis_psnp_t; + +/* + * Declare SNP payload element + */ +typedef struct { + guint8 isis_snp_remaining_lifetime[2]; /* lifetime of LSP */ + isis_lsp_id_t isis_snp_lsp_id; /* target LSP id */ + guint8 isis_snp_sequence_number[4]; /* sequence number of LSP */ + guint8 isis_snp_checksum[2]; /* checksum of LSP */ +} isis_snp_t; + +/* + * Published API functions. NOTE, this are "local" API functions and + * are only valid from with isis decodes. + */ +extern void isis_dissect_isis_csnp(int type, int header_length, + const u_char *pd, int offset, frame_data *fd, proto_tree *tree); +extern void isis_dissect_isis_psnp(int type, int header_length, + const u_char *pd, int offset, frame_data *fd, proto_tree *tree); + +#endif /* _PACKET_ISIS_CSNP_H */ |