![Guy Harris](/assets/img/avatar_default.png)
keys to have _uint in their names, to match the routines that handle dissector tables with string keys. (Using _port can confuse people into thinking they're intended solely for use with TCP/UDP/etc. ports when, in fact, they work better for things such as Ethernet types, where the binding of particular values to particular protocols are a lot stronger.) svn path=/trunk/; revision=35224
854 lines
21 KiB
C
854 lines
21 KiB
C
/* packet-dcd.c
|
|
* Routines for DCD Message dissection
|
|
* Copyright 2004, Darryl Hymel <darryl.hymel[AT]arrisi.com>
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#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);
|
|
|
|
col_set_str(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 Wireshark */
|
|
|
|
/* 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,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_num_of_frag,
|
|
{
|
|
"Number of Fragments",
|
|
"docsis_dcd.num_of_frag",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_frag_sequence_num,
|
|
{
|
|
"Fragment Sequence Number",
|
|
"docsis_dcd.frag_sequence_num",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_id,
|
|
{
|
|
"Downstream Classifier Id",
|
|
"docsis_dcd.cfr_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_rule_pri,
|
|
{
|
|
"Downstream Classifier Rule Priority",
|
|
"docsis_dcd.cfr_rule_pri",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_ip_source_addr,
|
|
{
|
|
"Downstream Classifier IP Source Address",
|
|
"docsis_dcd.cfr_ip_source_addr",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_ip_source_mask,
|
|
{
|
|
"Downstream Classifier IP Source Mask",
|
|
"docsis_dcd.cfr_ip_source_mask",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_ip_dest_addr,
|
|
{
|
|
"Downstream Classifier IP Destination Address",
|
|
"docsis_dcd.cfr_ip_dest_addr",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfr_ip_dest_mask,
|
|
{
|
|
"Downstream Classifier IP Destination Mask",
|
|
"docsis_dcd.cfr_ip_dest_mask",
|
|
FT_IPv4, BASE_NONE, 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,
|
|
NULL,
|
|
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,
|
|
NULL,
|
|
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,
|
|
NULL,
|
|
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,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_id,
|
|
{
|
|
"DSG Rule Id",
|
|
"docsis_dcd.rule_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_pri,
|
|
{
|
|
"DSG Rule Priority",
|
|
"docsis_dcd.rule_pri",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_ucid_list,
|
|
{
|
|
"DSG Rule UCID Range",
|
|
"docsis_dcd.rule_ucid_list",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_clid_known_mac_addr,
|
|
{
|
|
"DSG Rule Client ID Known MAC Address",
|
|
"docsis_dcd.clid_known_mac_addr",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
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,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_clid_app_id,
|
|
{
|
|
"DSG Rule Client ID Application ID",
|
|
"docsis_dcd.clid_app_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_tunl_addr,
|
|
{
|
|
"DSG Rule Tunnel MAC Address",
|
|
"docsis_dcd.rule_tunl_addr",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_cfr_id,
|
|
{
|
|
"DSG Rule Classifier ID",
|
|
"docsis_dcd.rule_cfr_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_rule_vendor_spec,
|
|
{
|
|
"DSG Rule Vendor Specific Parameters",
|
|
"docsis_dcd.rule_vendor_spec",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_chan,
|
|
{
|
|
"DSG Configuration Channel",
|
|
"docsis_dcd.cfg_chan",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_tdsg1,
|
|
{
|
|
"DSG Initialization Timeout (Tdsg1)",
|
|
"docsis_dcd.cfg_tdsg1",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_tdsg2,
|
|
{
|
|
"DSG Operational Timeout (Tdsg2)",
|
|
"docsis_dcd.cfg_tdsg2",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_tdsg3,
|
|
{
|
|
"DSG Two-Way Retry Timer (Tdsg3)",
|
|
"docsis_dcd.cfg_tdsg3",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_tdsg4,
|
|
{
|
|
"DSG One-Way Retry Timer (Tdsg4)",
|
|
"docsis_dcd.cfg_tdsg4",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL,
|
|
HFILL
|
|
}
|
|
},
|
|
{&hf_docsis_dcd_cfg_vendor_spec,
|
|
{
|
|
"DSG Configuration Vendor Specific Parameters",
|
|
"docsis_dcd.cfg_vendor_spec",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL,
|
|
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_uint ("docsis_mgmt", 0x20, docsis_dcd_handle);
|
|
|
|
}
|