diff options
Diffstat (limited to 'plugins/docsis/packet-dcd.c')
| -rw-r--r-- | plugins/docsis/packet-dcd.c | 866 |
1 files changed, 866 insertions, 0 deletions
diff --git a/plugins/docsis/packet-dcd.c b/plugins/docsis/packet-dcd.c new file mode 100644 index 0000000000..5269ee755c --- /dev/null +++ b/plugins/docsis/packet-dcd.c @@ -0,0 +1,866 @@ +/* packet-dcd.c + * Routines for DCD Message dissection + * Copyright 2004, Darryl Hymel <darryl.hymel[AT]arrisi.com> + * + * $Id$ + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + + +#include "moduleinfo.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <gmodule.h> + +#include <epan/packet.h> + +#define DCD_DOWN_CLASSIFIER 23 +#define DCD_DSG_RULE 50 +#define DCD_DSG_CONFIG 51 + +/* Define Downstrean Classifier subtypes + * These are subtype of DCD_DOWN_CLASSIFIER (23) + */ + +#define DCD_CFR_ID 2 +#define DCD_CFR_RULE_PRI 5 +#define DCD_CFR_IP_CLASSIFIER 9 + +/* Define IP Classifier sub-subtypes + * These are subtypes of DCD_CFR_IP_CLASSIFIER (23.9) + */ +#define DCD_CFR_IP_SOURCE_ADDR 3 +#define DCD_CFR_IP_SOURCE_MASK 4 +#define DCD_CFR_IP_DEST_ADDR 5 +#define DCD_CFR_IP_DEST_MASK 6 +#define DCD_CFR_TCPUDP_SRCPORT_START 7 +#define DCD_CFR_TCPUDP_SRCPORT_END 8 +#define DCD_CFR_TCPUDP_DSTPORT_START 9 +#define DCD_CFR_TCPUDP_DSTPORT_END 10 + +/* Define DSG Rule subtypes + * These are subtype of DCD_DSG_RULE (50) + */ + +#define DCD_RULE_ID 1 +#define DCD_RULE_PRI 2 +#define DCD_RULE_UCID_RNG 3 +#define DCD_RULE_CLIENT_ID 4 +#define DCD_RULE_TUNL_ADDR 5 +#define DCD_RULE_CFR_ID 6 +#define DCD_RULE_VENDOR_SPEC 43 +/* Define DSG Rule Client ID sub-subtypes + * These are subtypes of DCD_RULE_CLIENT_ID (50.4) + */ +#define DCD_CLID_BCAST_ID 1 +#define DCD_CLID_KNOWN_MAC_ADDR 2 +#define DCD_CLID_CA_SYS_ID 3 +#define DCD_CLID_APP_ID 4 + +/* Define DSG Configuration subtypes + * These are subtype of DCD_DSG_CONFIG (51) + */ + +#define DCD_CFG_CHAN_LST 1 +#define DCD_CFG_TDSG1 2 +#define DCD_CFG_TDSG2 3 +#define DCD_CFG_TDSG3 4 +#define DCD_CFG_TDSG4 5 +#define DCD_CFG_VENDOR_SPEC 43 + +/* Initialize the protocol and registered fields */ +static int proto_docsis_dcd = -1; + +static int hf_docsis_dcd_config_ch_cnt = -1; +static int hf_docsis_dcd_num_of_frag = -1; +static int hf_docsis_dcd_frag_sequence_num = -1; +static int hf_docsis_dcd_cfr_id = -1; +static int hf_docsis_dcd_cfr_rule_pri = -1; +static int hf_docsis_dcd_cfr_ip_source_addr = -1; +static int hf_docsis_dcd_cfr_ip_source_mask = -1; +static int hf_docsis_dcd_cfr_ip_dest_addr = -1; +static int hf_docsis_dcd_cfr_ip_dest_mask = -1; +static int hf_docsis_dcd_cfr_tcpudp_srcport_start = -1; +static int hf_docsis_dcd_cfr_tcpudp_srcport_end = -1; +static int hf_docsis_dcd_cfr_tcpudp_dstport_start = -1; +static int hf_docsis_dcd_cfr_tcpudp_dstport_end = -1; +static int hf_docsis_dcd_rule_id = -1; +static int hf_docsis_dcd_rule_pri = -1; +static int hf_docsis_dcd_rule_ucid_list = -1; +static int hf_docsis_dcd_clid_known_mac_addr = -1; +static int hf_docsis_dcd_clid_ca_sys_id = -1; +static int hf_docsis_dcd_clid_app_id = -1; +static int hf_docsis_dcd_rule_tunl_addr = -1; +static int hf_docsis_dcd_rule_cfr_id = -1; +static int hf_docsis_dcd_rule_vendor_spec = -1; +static int hf_docsis_dcd_cfg_chan = -1; +static int hf_docsis_dcd_cfg_tdsg1 = -1; +static int hf_docsis_dcd_cfg_tdsg2 = -1; +static int hf_docsis_dcd_cfg_tdsg3 = -1; +static int hf_docsis_dcd_cfg_tdsg4 = -1; +static int hf_docsis_dcd_cfg_vendor_spec = -1; + +/* Initialize the subtree pointers */ +static gint ett_docsis_dcd = -1; +static gint ett_docsis_dcd_cfr = -1; +static gint ett_docsis_dcd_cfr_ip = -1; +static gint ett_docsis_dcd_rule = -1; +static gint ett_docsis_dcd_clid = -1; +static gint ett_docsis_dcd_cfg = -1; + +/* Code to actually dissect the packets */ +static void +dissect_dcd_dsg_cfg (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len) +{ + guint8 type, length; + proto_item *dcd_item; + proto_tree *dcd_tree; + int pos; + + pos = start; + dcd_item = proto_tree_add_text ( tree, tvb, start, len, "51 DCD DSG Config Encodings (Length = %u)", len); + dcd_tree = proto_item_add_subtree ( dcd_item , ett_docsis_dcd_cfg); + + while ( pos < ( start + len) ) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + + switch (type) + { + case DCD_CFG_CHAN_LST: + if (length == 4) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_chan, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFG_TDSG1: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg1, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFG_TDSG2: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg2, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFG_TDSG3: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg3, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFG_TDSG4: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_tdsg4, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFG_VENDOR_SPEC: + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfg_vendor_spec, tvb, + pos, length, FALSE); + break; + + } + pos = pos + length; + } +} +static void +dissect_dcd_down_classifier_ip (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len) +{ + guint8 type, length; + proto_item *dcd_item; + proto_tree *dcd_tree; + int pos; + + pos = start; + dcd_item = proto_tree_add_text ( tree, tvb, start, len, "23.9 DCD_CFR_IP Encodings (Length = %u)", len); + dcd_tree = proto_item_add_subtree ( dcd_item , ett_docsis_dcd_cfr_ip); + + while ( pos < ( start + len) ) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + + switch (type) + { + case DCD_CFR_IP_SOURCE_ADDR: + if (length == 4) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_source_addr, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_IP_SOURCE_MASK: + if (length == 4) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_source_mask, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_IP_DEST_ADDR: + if (length == 4) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_dest_addr, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_IP_DEST_MASK: + if (length == 4) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_ip_dest_mask, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_TCPUDP_SRCPORT_START: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_srcport_start, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_TCPUDP_SRCPORT_END: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_srcport_end, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_TCPUDP_DSTPORT_START: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_dstport_start, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_TCPUDP_DSTPORT_END: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_tcpudp_dstport_end, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + } + pos = pos + length; + } +} +static void +dissect_dcd_clid (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len) +{ + guint8 type, length; + proto_item *dcd_item; + proto_tree *dcd_tree; + int pos; + + pos = start; + dcd_item = proto_tree_add_text ( tree, tvb, start, len, "50.4 DCD Rule ClientID Encodings (Length = %u)", len); + dcd_tree = proto_item_add_subtree ( dcd_item , ett_docsis_dcd_clid); + + while ( pos < ( start + len) ) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + + switch (type) + { + case DCD_CLID_KNOWN_MAC_ADDR: + if (length == 6) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_known_mac_addr, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CLID_CA_SYS_ID: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_ca_sys_id, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CLID_APP_ID: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_clid_app_id, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + } + pos = pos + length; + } +} +static void +dissect_dcd_dsg_rule (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len) +{ + guint8 type, length; + proto_item *dcd_item; + proto_tree *dcd_tree; + int pos; + + pos = start; + dcd_item = proto_tree_add_text ( tree, tvb, start, len, "50 DCD DSG Rule Encodings (Length = %u)", len); + dcd_tree = proto_item_add_subtree ( dcd_item , ett_docsis_dcd_rule); + + while ( pos < ( start + len) ) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + + switch (type) + { + case DCD_RULE_ID: + if (length == 1) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_id, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_RULE_PRI: + if (length == 1) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_pri, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_RULE_UCID_RNG: + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_ucid_list, tvb, + pos, length, FALSE); + break; + case DCD_RULE_CLIENT_ID: + dissect_dcd_clid (tvb , dcd_tree , pos , length ); + break; + case DCD_RULE_TUNL_ADDR: + if (length == 6) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_tunl_addr, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_RULE_CFR_ID: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_cfr_id, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_RULE_VENDOR_SPEC: + proto_tree_add_item (dcd_tree, hf_docsis_dcd_rule_vendor_spec, tvb, + pos, length, FALSE); + break; + + } + pos = pos + length; + } +} +static void +dissect_dcd_down_classifier (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len) +{ + guint8 type, length; + proto_item *dcd_item; + proto_tree *dcd_tree; + int pos; + + pos = start; + dcd_item = proto_tree_add_text ( tree, tvb, start, len, "23 DCD_CFR Encodings (Length = %u)", len); + dcd_tree = proto_item_add_subtree ( dcd_item , ett_docsis_dcd_cfr); + + while ( pos < ( start + len) ) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + + switch (type) + { + case DCD_CFR_ID: + if (length == 2) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_id, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_RULE_PRI: + if (length == 1) + { + proto_tree_add_item (dcd_tree, hf_docsis_dcd_cfr_rule_pri, tvb, + pos, length, FALSE); + } + else + { + THROW (ReportedBoundsError); + } + break; + case DCD_CFR_IP_CLASSIFIER: + dissect_dcd_down_classifier_ip (tvb , dcd_tree , pos , length ); + break; + + } + pos = pos + length; + } +} +static void +dissect_dcd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree) +{ + guint16 pos; + guint8 type, length; + proto_tree *dcd_tree; + proto_item *dcd_item; + guint16 len; + + len = tvb_length_remaining (tvb, 0); + + if (check_col (pinfo->cinfo, COL_INFO)) + { + col_clear (pinfo->cinfo, COL_INFO); + col_add_fstr (pinfo->cinfo, COL_INFO,"DCD Message: "); + } + + if (tree) + { + dcd_item = + proto_tree_add_protocol_format (tree, proto_docsis_dcd, tvb, 0, + tvb_length_remaining (tvb, 0), + "DCD Message"); + dcd_tree = proto_item_add_subtree (dcd_item, ett_docsis_dcd); + proto_tree_add_item (dcd_tree, hf_docsis_dcd_config_ch_cnt, tvb, 0, 1, FALSE); + proto_tree_add_item (dcd_tree, hf_docsis_dcd_num_of_frag, tvb, 1, 1, FALSE); + proto_tree_add_item (dcd_tree, hf_docsis_dcd_frag_sequence_num, tvb, 2, 1, FALSE); + + pos = 3; + while (pos < len) + { + type = tvb_get_guint8 (tvb, pos++); + length = tvb_get_guint8 (tvb, pos++); + switch (type) + { + case DCD_DOWN_CLASSIFIER: + dissect_dcd_down_classifier (tvb , dcd_tree , pos , length ); + break; + case DCD_DSG_RULE: + dissect_dcd_dsg_rule (tvb , dcd_tree , pos , length ); + break; + case DCD_DSG_CONFIG: + dissect_dcd_dsg_cfg (tvb , dcd_tree , pos , length ); + break; + } /* switch(type) */ + pos = pos + length; + } /* while (pos < len) */ + } /* if (tree) */ + +} +/* Register the protocol with Ethereal */ + +/* this format is require because a script is used to build the C function + that calls all the protocol registration. +*/ + + +void +proto_register_docsis_dcd (void) +{ +/* Setup list of header fields See Section 1.6.1 for details*/ + static hf_register_info hf[] = { + {&hf_docsis_dcd_config_ch_cnt, + { + "Configuration Change Count", + "docsis.dcd.config_ch_cnt", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Configuration Change Count", + HFILL + } + }, + {&hf_docsis_dcd_num_of_frag, + { + "Number of Fragments", + "docsis.dcd.num_of_frag", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Number of Fragments", + HFILL + } + }, + {&hf_docsis_dcd_frag_sequence_num, + { + "Fragment Sequence Number", + "docsis.dcd.frag_sequence_num", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Fragment Sequence Number", + HFILL + } + }, + {&hf_docsis_dcd_cfr_id, + { + "Downstream Classifier Id", + "docsis.dcd.cfr_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Downstream Classifier Id", + HFILL + } + }, + {&hf_docsis_dcd_cfr_rule_pri, + { + "Downstream Classifier Rule Priority", + "docsis.dcd.cfr_rule_pri", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Downstream Classifier Rule Priority", + HFILL + } + }, + {&hf_docsis_dcd_cfr_ip_source_addr, + { + "Downstream Classifier IP Source Address", + "docsis.dcd.cfr_ip_source_addr", + FT_IPv4, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP Source Address", + HFILL + } + }, + {&hf_docsis_dcd_cfr_ip_source_mask, + { + "Downstream Classifier IP Source Mask", + "docsis.dcd.cfr_ip_source_mask", + FT_IPv4, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP Source Mask", + HFILL + } + }, + {&hf_docsis_dcd_cfr_ip_dest_addr, + { + "Downstream Classifier IP Destination Address", + "docsis.dcd.cfr_ip_dest_addr", + FT_IPv4, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP Destination Address", + HFILL + } + }, + {&hf_docsis_dcd_cfr_ip_dest_mask, + { + "Downstream Classifier IP Destination Mask", + "docsis.dcd.cfr_ip_dest_mask", + FT_IPv4, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP Destination Address", + HFILL + } + }, + {&hf_docsis_dcd_cfr_tcpudp_srcport_start, + { + "Downstream Classifier IP TCP/UDP Source Port Start", + "docsis.dcd.cfr_ip_tcpudp_srcport_start", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP TCP/UDP Source Port Start", + HFILL + } + }, + {&hf_docsis_dcd_cfr_tcpudp_srcport_end, + { + "Downstream Classifier IP TCP/UDP Source Port End", + "docsis.dcd.cfr_ip_tcpudp_srcport_end", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP TCP/UDP Source Port End", + HFILL + } + }, + {&hf_docsis_dcd_cfr_tcpudp_dstport_start, + { + "Downstream Classifier IP TCP/UDP Destination Port Start", + "docsis.dcd.cfr_ip_tcpudp_dstport_start", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP TCP/UDP Destination Port Start", + HFILL + } + }, + {&hf_docsis_dcd_cfr_tcpudp_dstport_end, + { + "Downstream Classifier IP TCP/UDP Destination Port End", + "docsis.dcd.cfr_ip_tcpudp_dstport_end", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Downstream Classifier IP TCP/UDP Destination Port End", + HFILL + } + }, + {&hf_docsis_dcd_rule_id, + { + "DSG Rule Id ", + "docsis.dcd.rule_id", + FT_UINT8, BASE_DEC, NULL, 0x0, + "DSG Rule Id ", + HFILL + } + }, + {&hf_docsis_dcd_rule_pri, + { + "DSG Rule Priority ", + "docsis.dcd.rule_pri", + FT_UINT8, BASE_DEC, NULL, 0x0, + "DSG Rule Priority ", + HFILL + } + }, + {&hf_docsis_dcd_rule_ucid_list, + { + "DSG Rule UCID Range ", + "docsis.dcd.rule_ucid_list", + FT_BYTES, BASE_HEX, NULL, 0x0, + "DSG Rule UCID Range ", + HFILL + } + }, + {&hf_docsis_dcd_clid_known_mac_addr, + { + "DSG Rule Client ID Known MAC Address ", + "docsis.dcd.clid_known_mac_addr", + FT_ETHER, BASE_DEC, NULL, 0x0, + "DSG Rule Client ID Known MAC Address ", + HFILL + } + }, + {&hf_docsis_dcd_clid_ca_sys_id, + { + "DSG Rule Client ID CA System ID ", + "docsis.dcd.clid_ca_sys_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Rule Client ID CA System ID ", + HFILL + } + }, + {&hf_docsis_dcd_clid_app_id, + { + "DSG Rule Client ID Application ID ", + "docsis.dcd.clid_app_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Rule Client ID Application ID ", + HFILL + } + }, + {&hf_docsis_dcd_rule_tunl_addr, + { + "DSG Rule Tunnel MAC Address ", + "docsis.dcd.rule_tunl_addr", + FT_ETHER, BASE_DEC, NULL, 0x0, + "DSG Rule Tunnel MAC Address ", + HFILL + } + }, + {&hf_docsis_dcd_rule_cfr_id, + { + "DSG Rule Classifier ID", + "docsis.dcd.rule_cfr_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Rule Classifier ID", + HFILL + } + }, + {&hf_docsis_dcd_rule_vendor_spec, + { + "DSG Rule Vendor Specific Parameters", + "docsis.dcd.rule_vendor_spec", + FT_BYTES, BASE_HEX, NULL, 0x0, + "DSG Rule Vendor Specific Parameters", + HFILL + } + }, + {&hf_docsis_dcd_cfg_chan, + { + "DSG Configuration Channel", + "docsis.dcd.cfg_chan", + FT_UINT32, BASE_DEC, NULL, 0x0, + "DSG Configuration Channel", + HFILL + } + }, + {&hf_docsis_dcd_cfg_tdsg1, + { + "DSG Initialization Timeout (Tdsg1) ", + "docsis.dcd.cfg_tdsg1", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Initialization Timeout (Tdsg1) ", + HFILL + } + }, + {&hf_docsis_dcd_cfg_tdsg2, + { + "DSG Operational Timeout (Tdsg2) ", + "docsis.dcd.cfg_tdsg2", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Operational Timeout (Tdsg2) ", + HFILL + } + }, + {&hf_docsis_dcd_cfg_tdsg3, + { + "DSG Two-Way Retry Timer (Tdsg3) ", + "docsis.dcd.cfg_tdsg3", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG Two-Way Retry Timer (Tdsg3) ", + HFILL + } + }, + {&hf_docsis_dcd_cfg_tdsg4, + { + "DSG One-Way Retry Timer (Tdsg4) ", + "docsis.dcd.cfg_tdsg4", + FT_UINT16, BASE_DEC, NULL, 0x0, + "DSG One-Way Retry Timer (Tdsg4) ", + HFILL + } + }, + {&hf_docsis_dcd_cfg_vendor_spec, + { + "DSG Configuration Vendor Specific Parameters", + "docsis.dcd.cfg_vendor_spec", + FT_BYTES, BASE_HEX, NULL, 0x0, + "DSG Configuration Vendor Specific Parameters", + HFILL + } + }, + + }; + +/* Setup protocol subtree array */ + static gint *ett[] = { + &ett_docsis_dcd, + &ett_docsis_dcd_cfr, + &ett_docsis_dcd_cfr_ip, + &ett_docsis_dcd_rule, + &ett_docsis_dcd_clid, + &ett_docsis_dcd_cfg, + }; + +/* Register the protocol name and description */ + proto_docsis_dcd = + proto_register_protocol ("DOCSIS Downstream Channel Descriptor ", + "DOCSIS DCD", "docsis_dcd"); + +/* Required function calls to register the header fields and subtrees used */ + proto_register_field_array (proto_docsis_dcd, hf, array_length (hf)); + proto_register_subtree_array (ett, array_length (ett)); + + register_dissector ("docsis_dcd", dissect_dcd, proto_docsis_dcd); +} + + +/* If this dissector uses sub-dissector registration add a registration routine. + This format is required because a script is used to find these routines and + create the code that calls these routines. +*/ +void +proto_reg_handoff_docsis_dcd (void) +{ + dissector_handle_t docsis_dcd_handle; + + docsis_dcd_handle = find_dissector ("docsis_dcd"); + dissector_add ("docsis_mgmt", 0x20, docsis_dcd_handle); + +} |