epan/dissectors/packet-isis-clv.h

   1 /* packet-isis-clv.h
   2  * Declares for common clv decoding functions.
   3  *
   4  * $Id$
   5  * Stuart Stanley <stuarts@mxmail.net>
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #ifndef _PACKET_ISIS_CLV_H
  27 #define _PACKET_ISIS_CLV_H
  28
  29 /*
  30  * A CLV is a tuple of a type, length and a value and is normally used for
  31  * encoding information in all sorts of places.
  32  * IS-IS uses a uniform CLV code space that is shared across
  33  * all PDU Types.
  34  *
  35  * list taken from rfc3359 plus some memory from veterans ;-)
  36  */
  37
  38 #define ISIS_CLV_AREA_ADDRESS        1   /* iso10589 */
  39 #define ISIS_CLV_IS_REACH            2   /* iso10589 */
  40 #define ISIS_CLV_ES_NEIGHBORS        3   /* iso10589 */
  41 #define ISIS_CLV_PARTITION_DIS       4   /* iso10589 */
  42 #define ISIS_CLV_PREFIX_NEIGHBORS    5   /* iso10589 */
  43 #define ISIS_CLV_IS_NEIGHBORS        6   /* iso10589 */
  44 #define ISIS_CLV_IS_NEIGHBORS_VARLEN 7   /* iso10589 */
  45 #define ISIS_CLV_PADDING             8   /* iso10589 */
  46 #define ISIS_CLV_LSP_ENTRIES         9   /* iso10589 */
  47 #define ISIS_CLV_AUTHENTICATION      10  /* iso10589, rfc3567 */
  48 #define ISIS_CLV_CHECKSUM            12  /* rfc3358 */
  49 #define ISIS_CLV_LSP_BUFFERSIZE      14  /* iso10589 rev2 */
  50 #define ISIS_CLV_EXTD_IS_REACH       22  /* draft-ietf-isis-traffic-05 */
  51 #define ISIS_CLV_IS_ALIAS_ID         24  /* draft-ietf-isis-ext-lsp-frags-02 */
  52 #define ISIS_CLV_INT_IP_REACH        128 /* rfc1195, rfc2966 */
  53 #define ISIS_CLV_PROTOCOLS_SUPPORTED 129 /* rfc1195 */
  54 #define ISIS_CLV_EXT_IP_REACH        130 /* rfc1195, rfc2966 */
  55 #define ISIS_CLV_IDRP_INFO           131 /* rfc1195 */
  56 #define ISIS_CLV_IP_ADDR             132 /* rfc1195 */
  57 #define ISIS_CLV_IP_AUTHENTICATION   133 /* rfc1195, depreciated */
  58 #define ISIS_CLV_TE_ROUTER_ID        134 /* draft-ietf-isis-traffic-05 */
  59 #define ISIS_CLV_EXTD_IP_REACH       135 /* draft-ietf-isis-traffic-05 */
  60 #define ISIS_CLV_HOSTNAME            137 /* rfc2763 */
  61 #define ISIS_CLV_SHARED_RISK_GROUP   138 /* draft-ietf-isis-gmpls-extensions */
  62 #define ISIS_GRP_ADDR                142 /* draft-ieft-trill-isis-05*//* Our sub-packet dismantle structure for CLV's */
  63 #define ISIS_CLV_MT_PORT_CAP         143 /* MT port capability (draft-ietf-isis-layer2-11) */
  64 #define ISIS_CLV_MT_CAP              144 /* MT capability (draft-ietf-isis-ieee-aq-05)
  65                                           *   also: IEEE P802.1aq/D3.6,
  66                                           *         http://www.ietf.org/mail-archive/web/spb-isis/current/msg00007.html
  67                                           *         http://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xml#tlv-143,
  68                                           */
  69 #define ISIS_CLV_RESTART             211 /* draft-ietf-isis-restart-01 */
  70 #define ISIS_CLV_MT_IS_REACH         222 /* draft-ietf-isis-wg-multi-topology-05 */
  71 #define ISIS_CLV_MT_SUPPORTED        229 /* draft-ietf-isis-wg-multi-topology-05 */
  72 #define ISIS_CLV_IP6_ADDR            232 /* draft-ietf-isis-ipv6-02 */
  73 #define ISIS_CLV_MT_IP_REACH         235 /* draft-ietf-isis-wg-multi-topology-05 */
  74 #define ISIS_CLV_IP6_REACH           236 /* draft-ietf-isis-ipv6-02 */
  75 #define ISIS_CLV_MT_IP6_REACH        237 /* draft-ietf-isis-wg-multi-topology-05 */
  76 #define ISIS_CLV_PTP_ADJ_STATE       240 /* rfc3373 */
  77 #define ISIS_CLV_IIH_SEQNR           241 /* draft-shen-isis-iih-sequence-00 */
  78 #define ISIS_CLV_RT_CAPABLE          242 /* TRILL use of IS-IS RFC 6326 */
  79 #define ISIS_CLV_VENDOR_PRIVATE      250 /* draft-ietf-isis-proprietary-tlv-00 */
  80
  81 /*
  82  * Our sub-packet dismantle structure for CLV's
  83  */
  84 typedef struct {
  85         int     optcode;                /* code for option */
  86         const char    *tree_text;       /* text for fold out */
  87         gint    *tree_id;               /* id for add_item */
  88         void    (*dissect)(tvbuff_t *tvb, proto_tree *tree,
  89                                 int offset, int id_length, int length);
  90 } isis_clv_handle_t;
  91
  92 /*
  93  * Published API functions.  NOTE, this are "local" API functions and
  94  * are only valid from with isis decodes.
  95  */
  96 extern void isis_dissect_clvs(tvbuff_t *tvb, proto_tree *tree, int offset,
  97         const isis_clv_handle_t *opts, int len, int id_length,
  98         int unknown_tree_id);
  99
 100 extern void isis_dissect_nlpid_clv(tvbuff_t *tvb, proto_tree *tree,
 101         int offset, int length);
 102 extern void isis_dissect_te_router_id_clv(tvbuff_t *tvb, proto_tree *tree,
 103         int offset, int length, int tree_id);
 104 extern void isis_dissect_ipv6_int_clv(tvbuff_t *tvb, proto_tree *tree,
 105         int offset, int length, int tree_id);
 106 extern void isis_dissect_ip_int_clv(tvbuff_t *tvb, proto_tree *tree,
 107         int offset, int length, int tree_id);
 108 extern void isis_dissect_mt_clv(tvbuff_t *tvb, proto_tree *tree,
 109         int offset, int length, int tree_id);
 110 extern void isis_dissect_hostname_clv(tvbuff_t *tvb, proto_tree *tree,
 111         int offset, int length, int tree_id);
 112 extern void isis_dissect_authentication_clv(tvbuff_t *tvb, proto_tree *tree,
 113         int offset, int length);
 114 extern void isis_dissect_ip_authentication_clv(tvbuff_t *tvb, proto_tree *tree,
 115         int offset, int length);
 116 extern void isis_dissect_area_address_clv(tvbuff_t *tvb, proto_tree *tree,
 117         int offset, int length);
 118
 119 extern void isis_dissect_metric(tvbuff_t *tvb, proto_tree *tree, int offset,
 120         guint8 value, char *pstr, int force_supported);
 121
 122 #endif /* _PACKET_ISIS_CLV_H */