diff options
Diffstat (limited to 'packet-isis.h')
| -rw-r--r-- | packet-isis.h | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/packet-isis.h b/packet-isis.h index 9ebc600a28..1c49542a9c 100644 --- a/packet-isis.h +++ b/packet-isis.h @@ -1,7 +1,7 @@ /* packet-isis.h * Defines and such for core isis protcol decode. * - * $Id: packet-isis.h,v 1.2 2000/01/13 06:07:52 guy Exp $ + * $Id: packet-isis.h,v 1.3 2000/04/15 22:11:11 guy Exp $ * Stuart Stanley <stuarts@mxmail.net> * * Ethereal - Network traffic analyzer @@ -37,48 +37,50 @@ /* * ISIS type field values */ -#define ISIS_TYPE_L1_HELLO 15 -#define ISIS_TYPE_L2_HELLO 16 -#define ISIS_TYPE_PTP_HELLO 17 -#define ISIS_TYPE_L1_LSP 18 -#define ISIS_TYPE_L2_LSP 20 -#define ISIS_TYPE_L1_CSNP 24 -#define ISIS_TYPE_L2_CSNP 25 -#define ISIS_TYPE_L1_PSNP 26 -#define ISIS_TYPE_L2_PSNP 27 +#define ISIS_TYPE_L1_HELLO 15 +#define ISIS_TYPE_L2_HELLO 16 +#define ISIS_TYPE_PTP_HELLO 17 +#define ISIS_TYPE_L1_LSP 18 +#define ISIS_TYPE_L2_LSP 20 +#define ISIS_TYPE_L1_CSNP 24 +#define ISIS_TYPE_L2_CSNP 25 +#define ISIS_TYPE_L1_PSNP 26 +#define ISIS_TYPE_L2_PSNP 27 + +#define ISIS_TYPE_MASK 0x1f +#define ISIS_R8_MASK 0x80 +#define ISIS_R7_MASK 0x40 +#define ISIS_R6_MASK 0x20 /* * The common first 8 octets of the ISIS protocol header. */ typedef struct { - guint8 isis_irpd; /* Intradomain Routing Protocol Descriminator. Must be 0x83 */ - guint8 isis_header_length; /* header length in octets */ - guint8 isis_version; /* isis version, must be 0x01 */ - guint8 isis_reserved; /* res byte, must be 0 */ - guint8 isis_type_reserved; /* packet type & reserved */ -#define ISIS_TYPE_MASK 0x1f -#define ISIS_R8_MASK 0x80 -#define ISIS_R7_MASK 0x40 -#define ISIS_R6_MASK 0x20 - guint8 isis_version2; /* another version(?!), must be 0x01 */ - - guint8 isis_eco; /* ECO, must be 0 */ - guint8 isis_user_eco; /* user ECO, must be 0 */ -} isis_hdr_t; + guint8 isis_irpd; /* Intradomain Routing Protocol Descriminator: 0x83 */ + guint8 isis_header_length; /* header length in octets */ + guint8 isis_version; /* isis version, must be 0x01 */ + guint8 isis_system_id_len; /* length of the system ID fields */ + guint8 isis_type_reserved; /* packet type & reserved */ + guint8 isis_version2; /* another version(?!), must be 0x01 */ + guint8 isis_reserved; /* reserved, must be 0 */ + guint8 isis_max_area_adr; /* Maximum Number of AREA Addresses permitted */ +} isis_hdr_t; /* for this AREA. Value of 0 allows 3 Addresses */ #define isis_type isis_type_reserved&ISIS_TYPE_MASK -#define isis_r8 isis_type_reserved&ISIS_R8_MASK -#define isis_r7 isis_type_reserved&ISIS_R7_MASK -#define isis_r6 isis_type_reserved&ISIS_R6_MASK +#define isis_r8 isis_type_reserved&ISIS_R8_MASK +#define isis_r7 isis_type_reserved&ISIS_R7_MASK +#define isis_r6 isis_type_reserved&ISIS_R6_MASK + /* * published API functions */ + extern char *isis_address_to_string ( const u_char *pd, int offset, int len ); -extern void dissect_isis(const u_char *pd, int offset, frame_data *fd, - proto_tree *tree); +extern void dissect_isis( const u_char *pd, int offset, frame_data *fd, + proto_tree *tree); extern void proto_register_isis(void); -extern void isis_dissect_unknown(int offset,guint length,proto_tree *tree,frame_data *fd, - char *fmat, ...); +extern void isis_dissect_unknown( int offset, guint length, proto_tree *tree, + frame_data *fd, char *fmat, ...); #endif /* _PACKET_ISIS_H */ |