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Diffstat (limited to 'epan/dissectors/packet-isis-hello.h')
-rw-r--r-- | epan/dissectors/packet-isis-hello.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/epan/dissectors/packet-isis-hello.h b/epan/dissectors/packet-isis-hello.h new file mode 100644 index 0000000000..31ab933958 --- /dev/null +++ b/epan/dissectors/packet-isis-hello.h @@ -0,0 +1,57 @@ +/* packet-isis-hello.h + * Declares for hello handling inside isis. + * + * $Id$ + * Stuart Stanley <stuarts@mxmail.net> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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_HELLO_H +#define _PACKET_ISIS_HELLO_H + +/* + * Declarations for L1/L2 hello base header. + */ +#define ISIS_HELLO_CTYPE_MASK 0x03 +#define ISIS_HELLO_CT_RESERVED_MASK 0xfc +#define ISIS_HELLO_PRIORITY_MASK 0x7f +#define ISIS_HELLO_P_RESERVED_MASK 0x80 + +#define ISIS_HELLO_TYPE_RESERVED 0 +#define ISIS_HELLO_TYPE_LEVEL_1 1 +#define ISIS_HELLO_TYPE_LEVEL_2 2 +#define ISIS_HELLO_TYPE_LEVEL_12 3 + +/* + * misc. bittest macros + */ + +#define ISIS_MASK_RESTART_RR(x) ((x)&0x1) +#define ISIS_MASK_RESTART_RA(x) ((x)&0x2) + +/* + * Published API functions. NOTE, this are "local" API functions and + * are only valid from with isis decodes. + */ +extern void isis_dissect_isis_hello(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + int offset, int hello_type, int header_length,int id_length); +extern void isis_register_hello(int proto_isis); + +#endif /* _PACKET_ISIS_HELLO_H */ |