/* packet-tlv.c
* Routines to Dissect Appendix C TLV's
* Copyright 2002, Anand V. Narwani <anand[AT]narwani.org>
*
* $Id: packet-tlv.c 23088 2007-10-07 23:46:44Z richardv $
*
* 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 "moduleinfo.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gmodule.h>
#include <epan/packet.h>
#include "packet-tlv.h"
/* This module will dissect the Appendix C TLV's. Please see:
* http://www.cablemodem.com/specifications/specifications.html
*
* The main dissector is dissect_tlv. This routine will dissect
* top level TLV's and call sub-dissectors for the sub-TLV's.
*/
/* Initialize the protocol and registered fields */
static dissector_handle_t docsis_vsif_handle;
static int proto_docsis_tlv = -1;
static int hf_docsis_tlv = -1;
static int hf_docsis_tlv_down_freq = -1;
static int hf_docsis_tlv_upstream_chid = -1;
static int hf_docsis_tlv_net_access = -1;
static int hf_docsis_tlv_cos = -1;
static int hf_docsis_tlv_mcap = -1;
static int hf_docsis_tlv_privacy_enable = -1;
static int hf_docsis_tlv_max_cpe = -1;
static int hf_docsis_tlv_max_classifiers = -1;
static int hf_docsis_tlv_snmp_access = -1;
static int hf_docsis_tlv_snmp_obj = -1;
static int hf_docsis_tlv_svc_unavail = -1;
static int hf_docsis_tlv_svc_unavail_classid = -1;
static int hf_docsis_tlv_svc_unavail_type = -1;
static int hf_docsis_tlv_svc_unavail_code = -1;
static int hf_docsis_tlv_bpi = -1;
static int hf_docsis_tlv_phs = -1;
static int hf_docsis_tlv_hmac_digest = -1;
static int hf_docsis_tlv_tftp_server_timestamp = -1;
static int hf_docsis_tlv_tftp_prov_modem_address = -1;
static int hf_docsis_tlv_upclsfr = -1;
static int hf_docsis_tlv_downclsfr = -1;
static int hf_docsis_tlv_upsflow = -1;
static int hf_docsis_tlv_downsflow = -1;
static int hf_docsis_tlv_vendor_spec = -1;
static int hf_docsis_tlv_cm_mic = -1;
static int hf_docsis_tlv_cmts_mic = -1;
static int hf_docsis_tlv_auth_block = -1;
static int hf_docsis_tlv_key_seq_num = -1;
static int hf_docsis_tlv_snmpv3_kick = -1;
static int hf_docsis_tlv_snmpv3_kick_name = -1;
static int hf_docsis_tlv_snmpv3_kick_publicnum = -1;
static int hf_docsis_tlv_mfgr_cvc = -1;
static int hf_docsis_tlv_cosign_cvc = -1;
static int hf_docsis_tlv_vendor_id = -1;
static int hf_docsis_tlv_sw_file = -1;
static int hf_docsis_tlv_sw_upg_srvr = -1;
static int hf_docsis_tlv_cpe_ethernet = -1;
static int hf_docsis_tlv_modem_addr = -1;
static int hf_docsis_tlv_rng_tech = -1;
static int hf_docsis_tlv_subs_mgmt_ctrl = -1;
static int hf_docsis_tlv_subs_mgmt_ip_table = -1;
static int hf_docsis_tlv_subs_mgmt_ip_entry = -1;
static int hf_docsis_tlv_subs_mgmt_filter_grps = -1;
static int hf_docsis_tlv_cos_id = -1;
static int hf_docsis_tlv_cos_sid = -1;
static int hf_docsis_tlv_cos_max_down = -1;
static int hf_docsis_tlv_cos_max_up = -1;
static int hf_docsis_tlv_cos_up_chnl_pri = -1;
static int hf_docsis_tlv_cos_min_grntd_up = -1;
static int hf_docsis_tlv_cos_max_up_burst = -1;
static int hf_docsis_tlv_cos_privacy_enable = -1;
static int hf_docsis_tlv_mcap_concat = -1;
static int hf_docsis_tlv_mcap_docs_ver = -1;
static int hf_docsis_tlv_mcap_frag = -1;
static int hf_docsis_tlv_mcap_phs = -1;
static int hf_docsis_tlv_mcap_igmp = -1;
static int hf_docsis_tlv_mcap_down_said = -1;
static int hf_docsis_tlv_mcap_up_sid = -1;
static int hf_docsis_tlv_mcap_privacy = -1;
static int hf_docsis_tlv_mcap_8021P_filter = -1;
static int hf_docsis_tlv_mcap_8021Q_filter = -1;
static int hf_docsis_tlv_mcap_xmit_eq_taps_per_sym = -1;
static int hf_docsis_tlv_mcap_xmit_eq_taps = -1;
static int hf_docsis_tlv_mcap_dcc = -1;
static int hf_docsis_tlv_clsfr_ref = -1;
static int hf_docsis_tlv_clsfr_id = -1;
static int hf_docsis_tlv_clsfr_sflow_ref = -1;
static int hf_docsis_tlv_clsfr_sflow_id = -1;
static int hf_docsis_tlv_clsfr_rule_pri = -1;
static int hf_docsis_tlv_clsfr_act_state = -1;
static int hf_docsis_tlv_clsfr_dsc_act = -1;
static int hf_docsis_tlv_clsfr_err = -1;
static int hf_docsis_tlv_ipclsfr = -1;
static int hf_docsis_tlv_ethclsfr = -1;
static int hf_docsis_tlv_dot1qclsfr = -1;
static int hf_docsis_tlv_clsfr_vendor_spc = -1;
static int hf_docsis_tlv_clsfr_err_param = -1;
static int hf_docsis_tlv_clsfr_err_code = -1;
static int hf_docsis_tlv_clsfr_err_msg = -1;
static int hf_docsis_tlv_ipclsfr_tosmask = -1;
static int hf_docsis_tlv_ipclsfr_ipproto = -1;
static int hf_docsis_tlv_ipclsfr_src = -1;
static int hf_docsis_tlv_ipclsfr_dst = -1;
static int hf_docsis_tlv_ipclsfr_srcmask = -1;
static int hf_docsis_tlv_ipclsfr_dstmask = -1;
static int hf_docsis_tlv_ipclsfr_sport_start = -1;
static int hf_docsis_tlv_ipclsfr_sport_end = -1;
static int hf_docsis_tlv_ipclsfr_dport_start = -1;
static int hf_docsis_tlv_ipclsfr_dport_end = -1;
static int hf_docsis_tlv_ethclsfr_dmac = -1;
static int hf_docsis_tlv_ethclsfr_smac = -1;
static int hf_docsis_tlv_ethclsfr_ethertype = -1;
static int hf_docsis_tlv_dot1qclsfr_user_pri = -1;
static int hf_docsis_tlv_dot1qclsfr_vlanid = -1;
static int hf_docsis_tlv_dot1qclsfr_vendorspec = -1;
static int hf_docsis_tlv_sflow_ref = -1;
static int hf_docsis_tlv_sflow_id = -1;
static int hf_docsis_tlv_sflow_sid = -1;
static int hf_docsis_tlv_sflow_classname = -1;
static int hf_docsis_tlv_sflow_qos_param = -1;
static int hf_docsis_tlv_sflow_err = -1;
static int hf_docsis_tlv_sflow_traf_pri = -1;
static int hf_docsis_tlv_sflow_max_sus = -1;
static int hf_docsis_tlv_sflow_max_burst = -1;
static int hf_docsis_tlv_sflow_min_traf = -1;
static int hf_docsis_tlv_sflow_ass_min_pkt_size = -1;
static int hf_docsis_tlv_sflow_timeout_active = -1;
static int hf_docsis_tlv_sflow_timeout_admitted = -1;
static int hf_docsis_tlv_sflow_vendor_spec = -1;
static int hf_docsis_tlv_sflow_max_concat_burst = -1;
static int hf_docsis_tlv_sflow_sched_type = -1;
static int hf_docsis_tlv_sflow_reqxmit_pol = -1;
static int hf_docsis_tlv_sflow_nominal_polling = -1;
static int hf_docsis_tlv_sflow_tolerated_jitter = -1;
static int hf_docsis_tlv_sflow_ugs_size = -1;
static int hf_docsis_tlv_sflow_nom_grant_intvl = -1;
static int hf_docsis_tlv_sflow_tol_grant_jitter = -1;
static int hf_docsis_tlv_sflow_grants_per_intvl = -1;
static int hf_docsis_tlv_sflow_ip_tos_overwrite = -1;
static int hf_docsis_tlv_sflow_ugs_timeref = -1;
static int hf_docsis_tlv_sflow_max_down_latency = -1;
static int hf_docsis_tlv_sflow_err_param = -1;
static int hf_docsis_tlv_sflow_err_code = -1;
static int hf_docsis_tlv_sflow_err_msg = -1;
static int hf_docsis_tlv_phs_class_ref = -1;
static int hf_docsis_tlv_phs_class_id = -1;
static int hf_docsis_tlv_phs_sflow_ref = -1;
static int hf_docsis_tlv_phs_sflow_id = -1;
static int hf_docsis_tlv_phs_dsc_action = -1;
static int hf_docsis_tlv_phs_err = -1;
static int hf_docsis_tlv_phs_phsf = -1;
static int hf_docsis_tlv_phs_phsm = -1;
static int hf_docsis_tlv_phs_phsv = -1;
static int hf_docsis_tlv_phs_phsi = -1;
static int hf_docsis_tlv_phs_phss = -1;
static int hf_docsis_tlv_phs_vendorspec = -1;
static int hf_docsis_tlv_phs_err_param = -1;
static int hf_docsis_tlv_phs_err_code = -1;
static int hf_docsis_tlv_phs_err_msg = -1;
/* Initialize the subtree pointers */
static gint ett_docsis_tlv = -1;
static gint ett_docsis_tlv_cos = -1;
static gint ett_docsis_tlv_mcap = -1;
static gint ett_docsis_tlv_clsfr = -1;
static gint ett_docsis_tlv_clsfr_ip = -1;
static gint ett_docsis_tlv_clsfr_eth = -1;
static gint ett_docsis_tlv_clsfr_err = -1;
static gint ett_docsis_tlv_phs = -1;
static gint ett_docsis_tlv_phs_err = -1;
static gint ett_docsis_tlv_clsfr_dot1q = -1;
static gint ett_docsis_tlv_reqxmitpol = -1;
static gint ett_docsis_tlv_sflow_err = -1;
static gint ett_docsis_tlv_svc_unavail = -1;
static gint ett_docsis_tlv_snmpv3_kick = -1;
static const true_false_string on_off_tfs = {
"On",
"Off"
};
static const value_string on_off_vals[] = {
{0, "Off"},
{1, "On"},
{0, NULL},
};
static const true_false_string ena_dis_tfs = {
"Enable",
"Disable"
};
static const value_string docs_ver_vals[] = {
{0, "v1.0"},
{1, "v1.1"},
{0, NULL},
};
static const true_false_string activation_tfs = {
"Active",
"Inactive"
};
static const value_string dsc_act_vals[] = {
{0, "DSC Add Classifier"},
{1, "DSC Replace Classifier"},
{2, "DSC Delete Classifier"},
{0, NULL},
};
static const value_string qos_param_vals[] = {
{0x01, "Apply to provisioned set only"},
{0x02, "Perform admission control add apply to admitted set"},
{0x03, "Apply to provisioned and admitted set; Perform admission control"},
{0x04, "Perform admission control if needed and apply to active set"},
{0x05,
"Apply to provisioned and active sets; Admission control on admitted set in separate service flow, and activate service flow"},
{0x06,
"Perform admission control and activate; Apply to admitted and active sets"},
{0x07,
"Apply to Provisioned, Active and Admitted Sets; Admission Control and Activate Service Flow"},
{0, NULL},
};
static const value_string sched_type_vals[] = {
{0, "Reserved"},
{1, "Undefined (CMTS Dependent)"},
{2, "Best Effort Service"},
{3, "Non-Real-Time Polling Service"},
{4, "Real-Time Polling Service"},
{5, "Unsolicited Grant Service w/Activity Detection"},
{6, "Unsolicited Grant Service"},
{0, NULL},
};
static const value_string action_vals[] = {
{0, "Add PHS Rule"},
{1, "Set PHS Rule"},
{2, "Delete PHS Rule"},
{3, "Delete all PHS Rules"},
{0, NULL},
};
static const true_false_string verify_tfs = {
"Don't Verify",
"Verify"
};
static const value_string rng_tech_vals[] = {
{0, "Perform initial maintenance on new channel"},
{1, "Perform only station maintenance on new channel"},
{2,
"Perform either initial maintenance or station maintenance on new channel"},
{3,
"Use the new channel directly without performing initial or station maintenance"},
{0, NULL},
};
const value_string docsis_conf_code[] = {
{0, "okay/success"},
{1, "Reject: Other/Auth failure (1.0)"},
{2, "Reject: Unrecognized configuration setting/COS failure (1.0)"},
{3, "Reject: Temporary/Reject resource"},
{4, "Reject: Permanent/Reject admin"},
{5, "Reject: Not owner"},
{6, "Reject: Service flow not found"},
{7, "Reject: Service flow exists"},
{8, "Reject: Required parameter not present"},
{9, "Reject: Header suppression"},
{10, "Reject: Unknown transaction id"},
{11, "Reject: Authentication failure"},
{12, "Reject: Add aborted"},
{13, "Reject: Multiple errors"},
{14, "Reject: Classifier not found"},
{15, "Reject: Classifier exists"},
{16, "Reject: PHS rule not found"},
{17, "Reject: PHS rule exists"},
{18, "Reject: Duplicate reference ID or index in message"},
{19, "Reject: Multiple upstream service flows"},
{20, "Reject: Multiple downstream service flows"},
{21, "Reject: Classifier for another service flow "},
{22, "Reject: PHS for another service flow "},
{23, "Reject: Parameter invalid for context"},
{24, "Reject: Authorization failure"},
{25, "Reject: Temporary DCC"},
{180, "Depart"},
{181, "Arrive"},
{182, "Reject: Already There"},
{200, "Reject: Major Service Flow Error"},
{201, "Reject: Major Classifier Error"},
{202, "Reject: Major PHS Rule Error"},
{203, "Reject: Multiple Major Errors"},
{204, "Reject: Message Syntax Error"},
{205, "Reject: Primary Service Flow Error"},
{206, "Reject: Message Too Big"},
{207, "Reject: Invalid Modem Capabilities"},
{0, NULL}
};
/* Code to actually dissect the packets */
static void
dissect_phs_err (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *err_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"5 Service Flow Error Encodings (Length = %u)", len);
err_tree = proto_item_add_subtree (it, ett_docsis_tlv_sflow_err);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case PHS_ERR_PARAM:
if (length == 1)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_phs_err_param, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_ERR_CODE:
if (length == 1)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_phs_err_code, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_ERR_MSG:
proto_tree_add_item (err_tree, hf_docsis_tlv_phs_err_msg, tvb, pos,
length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_phs (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *phs_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"26 PHS Encodings (Length = %u)", len);
phs_tree = proto_item_add_subtree (it, ett_docsis_tlv_phs);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case PHS_CLSFR_REF:
if (length == 1)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_class_ref, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_CLSFR_ID:
if (length == 2)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_class_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_SFLOW_REF:
if (length == 2)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_sflow_ref, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_SFLOW_ID:
if (length == 4)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_sflow_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_DSC_ACTION:
if (length == 1)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_dsc_action,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_ERRORS:
dissect_phs_err (tvb, phs_tree, pos, length);
case PHS_FIELD:
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_phsf, tvb, pos,
length, FALSE);
break;
case PHS_INDEX:
if (length == 1)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_phsi, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_MASK:
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_phsm, tvb, pos,
length, FALSE);
break;
case PHS_SUP_SIZE:
if (length == 1)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_phss, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_VERIFICATION:
if (length == 1)
{
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_phsf, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case PHS_VENDOR_SPEC:
proto_tree_add_item (phs_tree, hf_docsis_tlv_phs_vendorspec, tvb,
pos, length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_reqxmit_policy (tvbuff_t * tvb, proto_tree * tree, int start)
{
guint32 value;
proto_item *it;
proto_tree *pol_tree;
value = tvb_get_ntohl (tvb, start);
it =
proto_tree_add_item (tree, hf_docsis_tlv_sflow_reqxmit_pol, tvb, start, 4,
FALSE);
pol_tree = proto_item_add_subtree (it, ett_docsis_tlv_reqxmitpol);
if (value & 0x01)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT use \"all CMs\" broadcast request opportunities");
if (value & 0x02)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT use priority multicast request opportunities");
if (value & 0x04)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT use Request/Data opportunities for requests");
if (value & 0x08)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT use Request/Data opportunities for data");
if (value & 0x10)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT use piggy back requests with data");
if (value & 0x20)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT concatenate data");
if (value & 0x40)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT fragment data");
if (value & 0x80)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST NOT suppress payload headers");
if (value & 0x100)
proto_tree_add_text (pol_tree, tvb, start, 4,
"Service flow MUST drop packets that do not fit in the UGS size");
}
static void
dissect_sflow_err (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *err_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"5 Service Flow Error Encodings (Length = %u)", len);
err_tree = proto_item_add_subtree (it, ett_docsis_tlv_sflow_err);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case SFW_ERR_PARAM:
if (length == 1)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_sflow_err_param,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_ERR_CODE:
if (length == 1)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_sflow_err_code,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_ERR_MSG:
proto_tree_add_item (err_tree, hf_docsis_tlv_sflow_err_msg, tvb,
pos, length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_downstream_sflow (tvbuff_t * tvb, proto_tree * sflow_tree,
int start, guint16 len)
{
guint8 type, length;
int pos = start;
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case SFW_MAX_DOWN_LAT:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_max_down_latency, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_upstream_sflow (tvbuff_t * tvb, proto_tree * sflow_tree,
int start, guint16 len)
{
guint8 type, length;
int pos = start;
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case SFW_MAX_CONCAT_BURST:
if (length == 2)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_max_concat_burst, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_SCHEDULING_TYPE:
if (length == 1)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_sched_type,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_REQ_XMIT_POL:
dissect_reqxmit_policy (tvb, sflow_tree, pos);
break;
case SFW_NOM_POLL_INT:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_nominal_polling, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_POLL_JTTR_TOL:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_tolerated_jitter, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_UG_SIZE:
if (length == 2)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_ugs_size,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_NOM_GRNT_INTV:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_nom_grant_intvl, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_GRNT_JTTR_TOL:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_tol_grant_jitter, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_GRNTS_PER_INTV:
if (length == 1)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_grants_per_intvl, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_IP_TOS_OVERWRITE:
if (length == 2)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_ip_tos_overwrite, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_UG_TIME_REF:
if (length == 4)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_ugs_timeref, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_sflow (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len,
guint8 direction)
{
guint8 type, length;
proto_item *it;
proto_tree *sflow_tree;
int pos = start;
if (direction == 24)
it =
proto_tree_add_text (tree, tvb, start, len,
"24 Upstream Service Flow (Length = %u)", len);
else if (direction == 25)
it =
proto_tree_add_text (tree, tvb, start, len,
"25 Downstream Service Flow (Length = %u)", len);
else
return;
sflow_tree = proto_item_add_subtree (it, ett_docsis_tlv_clsfr);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case SFW_REF:
if (length == 2)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_ref, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_ID:
if (length == 4)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_SID:
if (length == 2)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_sid, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_SERVICE_CLASS_NAME:
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_classname, tvb,
pos, length, FALSE);
break;
case SFW_ERRORS:
dissect_sflow_err (tvb, sflow_tree, pos, length);
break;
case SFW_QOS_SET_TYPE:
if (length == 1)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_qos_param,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_TRAF_PRI:
if (length == 1)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_traf_pri,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_MAX_SUSTAINED:
if (length == 4)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_max_sus,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_MAX_BURST:
if (length == 4)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_max_burst,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_MIN_RSVD_TRAF:
if (length == 4)
{
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_min_traf,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_MIN_RSVD_PACKETSIZE:
if (length == 2)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_ass_min_pkt_size, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_ACTIVE_QOS_TIMEOUT:
if (length == 2)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_timeout_active, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_ADMITT_QOS_TIMEOUT:
if (length == 2)
{
proto_tree_add_item (sflow_tree,
hf_docsis_tlv_sflow_timeout_admitted, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case SFW_VENDOR_SPEC:
proto_tree_add_item (sflow_tree, hf_docsis_tlv_sflow_vendor_spec,
tvb, pos, length, FALSE);
break;
default:
if (direction == 24)
dissect_upstream_sflow (tvb, sflow_tree, pos - 2, length);
else
dissect_downstream_sflow (tvb, sflow_tree, pos - 2, length);
break;
} /* switch (type) */
pos = pos + length;
} /* while(pos < start + len) */
}
static void
dissect_dot1q_clsfr (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *dot1qclsfr_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"11 801.1P/Q Classifiers (Length = %u)", len);
dot1qclsfr_tree = proto_item_add_subtree (it, ett_docsis_tlv_cos);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CFR_D1Q_USER_PRI:
if (length == 2)
{
proto_tree_add_item (dot1qclsfr_tree,
hf_docsis_tlv_dot1qclsfr_user_pri, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_D1Q_VLAN_ID:
if (length == 2)
{
proto_tree_add_item (dot1qclsfr_tree,
hf_docsis_tlv_dot1qclsfr_vlanid, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_D1Q_VENDOR_SPEC:
proto_tree_add_item (dot1qclsfr_tree,
hf_docsis_tlv_dot1qclsfr_vendorspec, tvb, pos,
length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_eth_clsfr (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *ethclsfr_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"10 Ethernet Classifiers (Length = %u)", len);
ethclsfr_tree = proto_item_add_subtree (it, ett_docsis_tlv_clsfr_eth);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CFR_ETH_DST_MAC:
if (length == 6)
{
proto_tree_add_item (ethclsfr_tree, hf_docsis_tlv_ethclsfr_dmac,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ETH_SRC_MAC:
if (length == 6)
{
proto_tree_add_item (ethclsfr_tree, hf_docsis_tlv_ethclsfr_smac,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ETH_DSAP:
if (length == 3)
{
proto_tree_add_item (ethclsfr_tree,
hf_docsis_tlv_ethclsfr_ethertype, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_clsfr_err (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *err_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"8 Classifier Error Encodings (Length = %u)", len);
err_tree = proto_item_add_subtree (it, ett_docsis_tlv_clsfr_err);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CFR_ERR_PARAM:
if (length == 1)
proto_tree_add_item (err_tree, hf_docsis_tlv_clsfr_err_param, tvb,
pos, length, FALSE);
else if (length == 2)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_clsfr_err_param,
tvb, pos, 1, FALSE);
proto_tree_add_item (err_tree, hf_docsis_tlv_clsfr_err_param,
tvb, pos + 1, 1, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ERR_CODE:
if (length == 1)
{
proto_tree_add_item (err_tree, hf_docsis_tlv_clsfr_err_code,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ERR_MSG:
proto_tree_add_item (err_tree, hf_docsis_tlv_clsfr_err_msg, tvb,
pos, length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_ip_classifier (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *ipclsfr_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"9 IP Classifier (Length = %u)", len);
ipclsfr_tree = proto_item_add_subtree (it, ett_docsis_tlv_clsfr_ip);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CFR_IP_TOS_RANGE_MASK:
if (length == 3)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_tosmask, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_PROTO:
if (length == 2)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_ipproto, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_SOURCE_ADDR:
if (length == 4)
{
proto_tree_add_item (ipclsfr_tree, hf_docsis_tlv_ipclsfr_src,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_SOURCE_MASK:
if (length == 4)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_srcmask, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_DEST_ADDR:
if (length == 4)
{
proto_tree_add_item (ipclsfr_tree, hf_docsis_tlv_ipclsfr_dst,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_DEST_MASK:
if (length == 4)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_dstmask, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_SRCPORT_START:
if (length == 2)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_sport_start, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_SRCPORT_END:
if (length == 2)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_sport_end, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_DSTPORT_START:
if (length == 2)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_dport_start, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_IP_DSTPORT_END:
if (length == 2)
{
proto_tree_add_item (ipclsfr_tree,
hf_docsis_tlv_ipclsfr_dport_end, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_classifiers (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len, guint8 direction)
{
guint8 type, length;
proto_item *it;
proto_tree *clsfr_tree;
int pos = start;
if (direction == 22)
it =
proto_tree_add_text (tree, tvb, start, len,
"22 Upstream Packet Classifier (Length = %u)",
len);
else if (direction == 23)
it =
proto_tree_add_text (tree, tvb, start, len,
"23 Downstream Packet Classifier (Length = %u)",
len);
else
return;
clsfr_tree = proto_item_add_subtree (it, ett_docsis_tlv_clsfr);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CFR_REF:
if (length == 1)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_ref, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ID:
if (length == 2)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_SFLOW_REF:
if (length == 2)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_sflow_ref,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_SFLOW_ID:
if (length == 4)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_sflow_id,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_RULE_PRI:
if (length == 1)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_rule_pri,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ACT_STATE:
if (length == 1)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_act_state,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_DSA_ACTION:
if (length == 1)
{
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_dsc_act,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CFR_ERROR:
dissect_clsfr_err (tvb, clsfr_tree, pos, length);
break;
case CFR_IP_CLASSIFIER:
dissect_ip_classifier (tvb, clsfr_tree, pos, length);
break;
case CFR_ETH_CLASSIFIER:
dissect_eth_clsfr (tvb, clsfr_tree, pos, length);
break;
case CFR_8021Q_CLASSIFIER:
dissect_dot1q_clsfr (tvb, clsfr_tree, pos, length);
break;
case CFR_VENDOR_SPEC:
proto_tree_add_item (clsfr_tree, hf_docsis_tlv_clsfr_vendor_spc,
tvb, pos, length, FALSE);
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_doc10cos (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *doc10cos_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"1 Docsis 1.0 Class of Service (Length = %u)", len);
doc10cos_tree = proto_item_add_subtree (it, ett_docsis_tlv_cos);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case 1:
if (length == 1)
{
proto_tree_add_item (doc10cos_tree, hf_docsis_tlv_cos_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case 2:
if (length == 2)
{
proto_tree_add_item (doc10cos_tree, hf_docsis_tlv_cos_sid, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch */
pos = pos + length;
} /* while */
}
static void
dissect_modemcap (tvbuff_t * tvb, proto_tree * tree, int start,
guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *mcap_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"5 Modem Capabilities Type (Length = %u)", len);
mcap_tree = proto_item_add_subtree (it, ett_docsis_tlv_mcap);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case CAP_CONCAT:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_concat, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_DOCSIS_VER:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_docs_ver,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_FRAG:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_frag, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_PHS:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_phs, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_IGMP:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_igmp, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_PRIVACY:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_privacy, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_DOWN_SAID:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_down_said,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_UP_SID:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_up_sid, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_OPT_FILT:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_8021P_filter,
tvb, pos, length, FALSE);
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_8021Q_filter,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_XMIT_EQPERSYM:
if (length == 1)
{
proto_tree_add_item (mcap_tree,
hf_docsis_tlv_mcap_xmit_eq_taps_per_sym,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_NUM_XMIT_EQ_TAPS:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_xmit_eq_taps,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case CAP_DCC:
if (length == 1)
{
proto_tree_add_item (mcap_tree, hf_docsis_tlv_mcap_dcc, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch (type) */
pos = pos + length;
} /* while (pos < pos+len) */
}
static void
dissect_cos (tvbuff_t * tvb, proto_tree * tree, int start, guint16 len)
{
guint8 type, length;
proto_item *it;
proto_tree *cos_tree;
int pos = start;
it =
proto_tree_add_text (tree, tvb, start, len,
"4 Class of Service Type (Length = %u)", len);
cos_tree = proto_item_add_subtree (it, ett_docsis_tlv_cos);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case COS_CLASSID:
if (length == 1)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_id, tvb, pos,
length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_MAX_DOWN:
if (length == 4)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_max_down, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_MAX_UP:
if (length == 4)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_max_up, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_UP_CH_PRIO:
if (length == 1)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_up_chnl_pri,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_MIN_UP_RATE:
if (length == 4)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_min_grntd_up,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_MAX_UP_BURST:
if (length == 2)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_max_up_burst,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case COS_BP_ENABLE:
if (length == 1)
{
proto_tree_add_item (cos_tree, hf_docsis_tlv_cos_privacy_enable,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
} /* switch (type) */
pos = pos + length;
} /* while (pos < pos+len) */
}
static void
dissect_svc_unavail(tvbuff_t * tvb, proto_tree * tree, int pos, guint16 length) {
proto_item *svc_unavail_it;
proto_tree *svc_unavail_tree;
svc_unavail_it = proto_tree_add_item (tree,
hf_docsis_tlv_svc_unavail,
tvb, pos, length, FALSE);
svc_unavail_tree = proto_item_add_subtree(svc_unavail_it, ett_docsis_tlv_svc_unavail );
proto_tree_add_item (svc_unavail_tree,
hf_docsis_tlv_svc_unavail_classid, tvb,
pos, 1, FALSE);
proto_tree_add_item (svc_unavail_tree,
hf_docsis_tlv_svc_unavail_type, tvb,
pos+1, 1, FALSE);
proto_tree_add_item (svc_unavail_tree,
hf_docsis_tlv_svc_unavail_code, tvb,
pos+2, 1, FALSE);
}
static void
dissect_snmpv3_kickstart(tvbuff_t * tvb, proto_tree *tree, int start, guint16 len) {
proto_item *snmpv3_it;
proto_tree *snmpv3_tree;
guint8 type, length;
int pos = start;
snmpv3_it = proto_tree_add_item (tree,
hf_docsis_tlv_snmpv3_kick,
tvb, start, len, FALSE);
snmpv3_tree = proto_item_add_subtree(snmpv3_it, ett_docsis_tlv_snmpv3_kick);
while (pos < (start + len)) {
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type) {
case SNMPV3_SEC_NAME:
proto_tree_add_item (snmpv3_tree,
hf_docsis_tlv_snmpv3_kick_name, tvb,
pos, length, FALSE);
break;
case SNMPV3_MGR_PUB_NUM:
proto_tree_add_item (snmpv3_tree,
hf_docsis_tlv_snmpv3_kick_publicnum, tvb,
pos, length, FALSE);
break;
} /* switch */
pos += length;
} /* while */
}
static void
dissect_tlv (tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree)
{
proto_item *it;
proto_tree *tlv_tree;
int pos = 0;
gint total_len;
guint8 type, length;
guint16 x;
tvbuff_t *vsif_tvb;
total_len = tvb_reported_length_remaining (tvb, 0);
if (tree)
{
it =
proto_tree_add_protocol_format (tree, proto_docsis_tlv, tvb, 0,
total_len, "TLV Data");
tlv_tree = proto_item_add_subtree (it, ett_docsis_tlv);
while (pos < total_len)
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case TLV_DOWN_FREQ:
/* This is ugly. There are multiple type 1 TLV's that may appear
* in the TLV data, the problem is that they are dependent on
* message type. */
if (length == 4)
proto_tree_add_item (tlv_tree, hf_docsis_tlv_down_freq, tvb,
pos, length, FALSE);
else if (length == 1)
proto_tree_add_item (tlv_tree, hf_docsis_tlv_rng_tech, tvb,
pos, length, FALSE);
else
dissect_doc10cos (tvb, tlv_tree, pos, length);
break;
case TLV_CHNL_ID:
if (length == 1)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_upstream_chid,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_NET_ACCESS:
if (length == 1)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_net_access,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_COS:
dissect_cos (tvb, tlv_tree, pos, length);
break;
case TLV_MODEM_CAP:
dissect_modemcap (tvb, tlv_tree, pos, length);
break;
case TLV_CM_MIC:
if (length == 16)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_cm_mic, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_CMTS_MIC:
if (length == 16)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_cmts_mic, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_VENDOR_ID:
if (length == 3)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_vendor_id, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_SW_UPG_FILE:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_sw_file, tvb, pos,
length, FALSE);
break;
case TLV_SNMP_WRITE_CTRL:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_snmp_access, tvb,
pos, length, FALSE);
break;
case TLV_SNMP_OBJECT:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_snmp_obj, tvb,
pos, length, FALSE);
break;
case TLV_MODEM_IP:
if (length == 4)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_modem_addr,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_SVC_UNAVAIL:
if (length == 3)
{
dissect_svc_unavail(tvb, tlv_tree, pos, length);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_ETHERNET_MAC:
if (length == 6)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_cpe_ethernet,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_TEL_SETTINGS:
break;
case TLV_BPI_CONFIG:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_bpi, tvb,
pos, length, FALSE);
break;
case TLV_MAX_CPES:
if (length == 1)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_max_cpe, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_TFTP_TIME:
if (length == 4)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_tftp_server_timestamp,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_TFTP_MODEM_ADDRESS:
if (length == 4)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_tftp_prov_modem_address,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_SW_UPG_SRVR:
if (length == 4)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_sw_upg_srvr,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_UPSTREAM_CLASSIFIER:
case TLV_DOWN_CLASSIFIER:
dissect_classifiers (tvb, tlv_tree, pos, length, type);
break;
case TLV_UPSTREAM_SERVICE_FLOW:
case TLV_DOWN_SERVICE_FLOW:
dissect_sflow (tvb, tlv_tree, pos, length, type);
break;
case TLV_PHS:
dissect_phs (tvb, tlv_tree, pos, length);
break;
case TLV_HMAC_DIGEST:
if (length == 20)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_hmac_digest, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_MAX_CLASSIFIERS:
if (length == 2)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_max_classifiers, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_PRIVACY_ENABLE:
if (length == 1)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_privacy_enable,
tvb, pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_AUTH_BLOCK:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_auth_block,
tvb, pos, length, FALSE);
break;
case TLV_KEY_SEQ_NUM:
if (length == 1)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_key_seq_num, tvb,
pos, length, FALSE);
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_MFGR_CVC:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_mfgr_cvc,
tvb, pos, length, FALSE);
break;
case TLV_COSIGN_CVC:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_cosign_cvc,
tvb, pos, length, FALSE);
break;
case TLV_SNMPV3_KICKSTART:
dissect_snmpv3_kickstart(tvb, tlv_tree, pos, length);
break;
case TLV_SUBS_MGMT_CTRL:
proto_tree_add_item (tlv_tree, hf_docsis_tlv_subs_mgmt_ctrl,
tvb, pos, length, FALSE);
break;
case TLV_SUBS_MGMT_CPE:
if ((length % 4) == 0)
{
proto_tree_add_item (tlv_tree, hf_docsis_tlv_subs_mgmt_ip_table,
tvb, pos, length, FALSE);
for (x = 0; x < length; x+=4)
{
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_subs_mgmt_ip_entry,
tvb, pos + x, 4, FALSE);
}
}
else
{
THROW (ReportedBoundsError);
}
break;
case TLV_SUBS_MGMT_FLTR:
proto_tree_add_item (tlv_tree,
hf_docsis_tlv_subs_mgmt_filter_grps,
tvb, pos, length, FALSE);
break;
case TLV_VENDOR_SPEC:
vsif_tvb = tvb_new_subset (tvb, pos, length, length);
call_dissector (docsis_vsif_handle, vsif_tvb, pinfo, tlv_tree);
break;
case TLV_END:
break;
} /* switch(type) */
pos = pos + length;
} /* while (pos < total_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_tlv (void)
{
/* Setup list of header fields See Section 1.6.1 for details*/
static hf_register_info hf[] = {
{&hf_docsis_tlv,
{"TLV Data", "docsis_tlv",
FT_BYTES, BASE_HEX, NULL, 0x0,
"TLV Data", HFILL}
},
{&hf_docsis_tlv_down_freq,
{"1 Downstream Frequency", "docsis_tlv.downfreq",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Downstream Frequency", HFILL}
},
{&hf_docsis_tlv_upstream_chid,
{"2 Upstream Channel ID", "docsis_tlv.upchid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Service Identifier", HFILL}
},
{&hf_docsis_tlv_net_access,
{"3 Network Access", "docsis_tlv.netaccess",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"Network Access TLV", HFILL}
},
{&hf_docsis_tlv_cos,
{"4 COS Encodings", "docsis_tlv.cos",
FT_BYTES, BASE_HEX, NULL, 0x0,
"4 COS Encodings", HFILL}
},
{&hf_docsis_tlv_cos_id,
{".1 Class ID", "docsis_tlv.cos.id",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Class ID", HFILL}
},
{&hf_docsis_tlv_cos_sid,
{".2 Service ID", "docsis_tlv.cos.sid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service ID", HFILL}
},
{&hf_docsis_tlv_cos_max_down,
{".2 Max Downstream Rate (bps)", "docsis_tlv.cos.maxdown",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Max Downstream Rate", HFILL}
},
{&hf_docsis_tlv_cos_max_up,
{".3 Max Upstream Rate (bps)", "docsis_tlv.cos.maxup",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Max Upstream Rate", HFILL}
},
{&hf_docsis_tlv_cos_up_chnl_pri,
{".4 Upstream Channel Priority", "docsis_tlv.cos.upchnlpri",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Upstream Channel Priority", HFILL}
},
{&hf_docsis_tlv_cos_min_grntd_up,
{".5 Guaranteed Upstream Rate", "docsis_tlv.cos.mingrntdup",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Guaranteed Minimum Upstream Data Rate", HFILL}
},
{&hf_docsis_tlv_cos_max_up_burst,
{".6 Maximum Upstream Burst", "docsis_tlv.cos.maxupburst",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Maximum Upstream Burst", HFILL}
},
{&hf_docsis_tlv_cos_privacy_enable,
{".7 COS Privacy Enable", "docsis_tlv.cos.privacy_enable",
FT_BOOLEAN, BASE_DEC, TFS (&ena_dis_tfs), 0x0,
"Class of Service Privacy Enable", HFILL}
},
{&hf_docsis_tlv_mcap,
{"5 Modem Capabilities", "docsis_tlv.mcap",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Modem Capabilities", HFILL}
},
{&hf_docsis_tlv_mcap_concat,
{".1 Concatenation Support", "docsis_tlv.mcap.concat",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"Concatenation Support", HFILL}
},
{&hf_docsis_tlv_mcap_docs_ver,
{".2 Docsis Version", "docsis_tlv.map.docsver",
FT_UINT8, BASE_DEC, VALS (docs_ver_vals), 0x0,
"DOCSIS Version", HFILL}
},
{&hf_docsis_tlv_mcap_frag,
{".3 Fragmentation Support", "docsis_tlv.mcap.frag",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"Fragmentation Support", HFILL}
},
{&hf_docsis_tlv_mcap_phs,
{".4 PHS Support", "docsis_tlv.mcap.phs",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"PHS Support", HFILL}
},
{&hf_docsis_tlv_mcap_igmp,
{".5 IGMP Support", "docsis_tlv.mcap.igmp",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"IGMP Support", HFILL}
},
{&hf_docsis_tlv_mcap_privacy,
{".6 Privacy Support", "docsis_tlv.mcap.privacy",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"Privacy Support", HFILL}
},
{&hf_docsis_tlv_mcap_down_said,
{".7 # Downstream SAIDs Supported", "docsis_tlv.mcap.downsaid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Downstream Said Support", HFILL}
},
{&hf_docsis_tlv_mcap_up_sid,
{".8 # Upstream SAIDs Supported", "docsis_tlv.mcap.upsid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Upstream SID Support", HFILL}
},
{&hf_docsis_tlv_mcap_8021P_filter,
{".9 802.1P Filtering Support", "docsis_tlv.mcap.dot1pfiltering",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x80,
"802.1P Filtering Support", HFILL}
},
{&hf_docsis_tlv_mcap_8021Q_filter,
{".9 802.1Q Filtering Support", "docsis_tlv.mcap.dot1qfilt",
FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x40,
"802.1Q Filtering Support", HFILL}
},
{&hf_docsis_tlv_mcap_xmit_eq_taps_per_sym,
{".10 Xmit Equalizer Taps/Sym", "docsis_tlv.mcap.tapspersym",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Transmit Equalizer Taps per Symbol", HFILL}
},
{&hf_docsis_tlv_mcap_xmit_eq_taps,
{".11 # Xmit Equalizer Taps", "docsis_tlv.mcap.numtaps",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of Transmit Equalizer Taps", HFILL}
},
{&hf_docsis_tlv_mcap_dcc,
{".12 DCC Support", "docsis_tlv.mcap.dcc",
FT_BOOLEAN, BASE_DEC, TFS (&on_off_tfs), 0x0,
"DCC Support", HFILL}
},
{&hf_docsis_tlv_cm_mic,
{"6 CM MIC", "docsis_tlv.cmmic",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Cable Modem Message Integrity Check", HFILL}
},
{&hf_docsis_tlv_cmts_mic,
{"7 CMTS MIC", "docsis_tlv.cmtsmic",
FT_BYTES, BASE_HEX, NULL, 0x0,
"CMTS Message Integrity Check", HFILL}
},
{&hf_docsis_tlv_vendor_id,
{"8 Vendor ID", "docsis_tlv.vendorid",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Vendor Identifier", HFILL}
},
{&hf_docsis_tlv_sw_file,
{"9 Software Upgrade File", "docsis_tlv.sw_upg_file",
FT_STRINGZ, BASE_DEC, NULL, 0x0,
"Software Upgrade File", HFILL}
},
{&hf_docsis_tlv_snmp_access,
{"10 SNMP Write Access", "docsis_tlv.snmp_access",
FT_BYTES, BASE_HEX, NULL, 0x0,
"SNMP Write Access", HFILL}
},
{&hf_docsis_tlv_snmp_obj,
{"11 SNMP Object", "docsis_tlv.snmp_obj",
FT_BYTES, BASE_HEX, NULL, 0x0,
"SNMP Object", HFILL}
},
{&hf_docsis_tlv_modem_addr,
{"12 Modem IP Address", "docsis_tlv.modemaddr",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Modem IP Address", HFILL}
},
{&hf_docsis_tlv_svc_unavail,
{"13 Service Not Available Response", "docsis_tlv.svcunavail",
FT_BYTES, BASE_DEC, NULL, 0x0,
"Service Not Available Response", HFILL}
},
{&hf_docsis_tlv_svc_unavail_classid,
{"Service Not Available: (Class ID)", "docsis_tlv.svcunavail.classid",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Service Not Available (Class ID)", HFILL}
},
{&hf_docsis_tlv_svc_unavail_type,
{"Service Not Available (Type)", "docsis_tlv.svcunavail.type",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Service Not Available (Type)", HFILL}
},
{&hf_docsis_tlv_svc_unavail_code,
{"Service Not Available (Code)", "docsis_tlv.svcunavail.code",
FT_UINT8, BASE_DEC, VALS(docsis_conf_code), 0x0,
"Service Not Available (Code)", HFILL}
},
{&hf_docsis_tlv_cpe_ethernet,
{"14 CPE Ethernet Addr", "docsis_tlv.cpe_ether",
FT_ETHER, BASE_DEC, NULL, 0x0,
"CPE Ethernet Addr", HFILL}
},
{&hf_docsis_tlv_bpi,
{"17 Baseline Privacy Encoding", "docsis_tlv.bpi",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Baseline Privacy Encoding", HFILL}
},
{&hf_docsis_tlv_max_cpe,
{"18 Max # of CPE's", "docsis_tlv.maxcpe",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Max Number of CPE's", HFILL}
},
{&hf_docsis_tlv_tftp_server_timestamp,
{"19 TFTP Server Timestamp", "docsis_tlv.tftp_time",
FT_UINT32, BASE_DEC, NULL, 0x0,
"TFTP Server TimeStamp", HFILL}
},
{&hf_docsis_tlv_tftp_prov_modem_address,
{"20 TFTP Server Provisioned Modem Addr", "docsis_tlv.tftpmodemaddr",
FT_IPv4, BASE_DEC, NULL, 0x0,
"TFTP Server Provisioned Modem Addr", HFILL}
},
{&hf_docsis_tlv_sw_upg_srvr,
{"21 Software Upgrade Server", "docsis_tlv.sw_upg_srvr",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Software Upgrade Server", HFILL}
},
{&hf_docsis_tlv_upclsfr,
{"22 Upstream Classifier", "docsis_tlv.upclsfr",
FT_BYTES, BASE_HEX, NULL, 0x0,
"22 Upstream Classifier", HFILL}
},
{&hf_docsis_tlv_downclsfr,
{"23 Downstream Classifier", "docsis_tlv.downclsfr",
FT_BYTES, BASE_HEX, NULL, 0x0,
"23 Downstream Classifier", HFILL}
},
{&hf_docsis_tlv_clsfr_ref,
{".1 Classifier Ref", "docsis_tlv.clsfr.ref",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Classifier Reference", HFILL}
},
{&hf_docsis_tlv_clsfr_id,
{".2 Classifier ID", "docsis_tlv.clsfr.id",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Classifier ID", HFILL}
},
{&hf_docsis_tlv_clsfr_sflow_ref,
{".3 Service Flow Ref", "docsis_tlv.clsfr.sflowref",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Flow Reference", HFILL}
},
{&hf_docsis_tlv_clsfr_sflow_id,
{".4 Service Flow ID", "docsis_tlv.clsfr.sflowid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Flow ID", HFILL}
},
{&hf_docsis_tlv_clsfr_rule_pri,
{".5 Rule Priority", "docsis_tlv.clsfr.rulepri",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Rule Priority", HFILL}
},
{&hf_docsis_tlv_clsfr_act_state,
{".6 Activation State", "docsis_tlv.clsfr.actstate",
FT_BOOLEAN, BASE_DEC, TFS (&activation_tfs), 0x0,
"Classifier Activation State", HFILL}
},
{&hf_docsis_tlv_clsfr_dsc_act,
{".7 DSC Action", "docsis_tlv.clsfr.dscact",
FT_UINT8, BASE_DEC, VALS (dsc_act_vals), 0x0,
"Dynamic Service Change Action", HFILL}
},
{&hf_docsis_tlv_clsfr_err,
{".8 Error Encodings", "docsis_tlv.clsfr.err",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Error Encodings", HFILL}
},
{&hf_docsis_tlv_clsfr_err_param,
{"..1 Param Subtype", "docsis_tlv.clsfr.err.param",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Parameter Subtype", HFILL}
},
{&hf_docsis_tlv_clsfr_err_code,
{"..2 Error Code", "docsis_tlv.clsfr.err.code",
FT_UINT8, BASE_DEC, VALS(docsis_conf_code), 0x0,
"TCP/UDP Destination Port End", HFILL}
},
{&hf_docsis_tlv_clsfr_err_msg,
{"..3 Error Message", "docsis_tlv.clsfr.err.msg",
FT_STRINGZ, BASE_DEC, NULL, 0x0,
"Error Message", HFILL}
},
{&hf_docsis_tlv_ipclsfr,
{".9 IP Classifier Encodings", "docsis_tlv.clsfr.ip",
FT_BYTES, BASE_HEX, NULL, 0x0,
"IP Classifier Encodings", HFILL}
},
{&hf_docsis_tlv_ipclsfr_tosmask,
{"..1 Type Of Service Mask", "docsis_tlv.clsfr.ip.tosmask",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Type Of Service Mask", HFILL}
},
{&hf_docsis_tlv_ipclsfr_ipproto,
{"..2 IP Protocol", "docsis_tlv.clsfr.ip.ipproto",
FT_UINT16, BASE_DEC, NULL, 0x0,
"IP Protocol", HFILL}
},
{&hf_docsis_tlv_ipclsfr_src,
{"..3 Source Address", "docsis_tlv.clsfr.ip.src",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Source Address", HFILL}
},
{&hf_docsis_tlv_ipclsfr_dst,
{"..4 Destination Address", "docsis_tlv.clsfr.ip.dst",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Destination Address", HFILL}
},
{&hf_docsis_tlv_ipclsfr_srcmask,
{"..5 Source Mask", "docsis_tlv.clsfr.ip.smask",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Source Mask", HFILL}
},
{&hf_docsis_tlv_ipclsfr_dstmask,
{"..6 Destination Mask", "docsis_tlv.clsfr.ip.dmask",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Destination Mask", HFILL}
},
{&hf_docsis_tlv_ipclsfr_sport_start,
{"..7 Source Port Start", "docsis_tlv.clsfr.ip.sportstart",
FT_UINT16, BASE_DEC, NULL, 0x0,
"TCP/UDP Source Port Start", HFILL}
},
{&hf_docsis_tlv_ipclsfr_sport_end,
{"..8 Source Port End", "docsis_tlv.clsfr.ip.sportend",
FT_UINT16, BASE_DEC, NULL, 0x0,
"TCP/UDP Source Port End", HFILL}
},
{&hf_docsis_tlv_ipclsfr_dport_start,
{"..9 Dest Port Start", "docsis_tlv.clsfr.ip.dportstart",
FT_UINT16, BASE_DEC, NULL, 0x0,
"TCP/UDP Destination Port Start", HFILL}
},
{&hf_docsis_tlv_ipclsfr_dport_end,
{"..10 Dest Port End", "docsis_tlv.clsfr.ip.dportend",
FT_UINT16, BASE_DEC, NULL, 0x0,
"TCP/UDP Destination Port End", HFILL}
},
{&hf_docsis_tlv_ethclsfr,
{".10 Ethernet Classifier Encodings", "docsis_tlv.clsfr.eth",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Ethernet Classifier Encodings", HFILL}
},
{&hf_docsis_tlv_ethclsfr_dmac,
{"..1 Dest Mac Address", "docsis_tlv.clsfr.eth.dmac",
FT_ETHER, BASE_DEC, NULL, 0x0,
"Destination Mac Address", HFILL}
},
{&hf_docsis_tlv_ethclsfr_smac,
{"..2 Source Mac Address", "docsis_tlv.clsfr.eth.smac",
FT_ETHER, BASE_DEC, NULL, 0x0,
"Source Mac Address", HFILL}
},
{&hf_docsis_tlv_ethclsfr_ethertype,
{"..3 Ethertype", "docsis_tlv.clsfr.eth.ethertype",
FT_UINT24, BASE_HEX, NULL, 0x0,
"Ethertype", HFILL}
},
{&hf_docsis_tlv_dot1qclsfr,
{".11 802.1Q Classifier Encodings", "docsis_tlv.clsfr.dot1q",
FT_BYTES, BASE_HEX, NULL, 0x0,
"802.1Q Classifier Encodings", HFILL}
},
{&hf_docsis_tlv_dot1qclsfr_user_pri,
{"..1 User Priority", "docsis_tlv.clsfr.dot1q.userpri",
FT_UINT16, BASE_HEX, NULL, 0x0,
"User Priority", HFILL}
},
{&hf_docsis_tlv_dot1qclsfr_vlanid,
{"..2 VLAN id", "docsis_tlv.clsfr.dot1q.ethertype",
FT_UINT16, BASE_DEC, NULL, 0x0,
"VLAN Id", HFILL}
},
{&hf_docsis_tlv_dot1qclsfr_vendorspec,
{"..43 Vendor Specific Encodings", "docsis_tlv.clsfr.dot1q.vendorspec",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Vendor Specific Encodings", HFILL}
},
{&hf_docsis_tlv_clsfr_vendor_spc,
{".43 Vendor Specific Encodings", "docsis_tlv.clsfr.vendor",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Vendor Specific Encodings", HFILL}
},
{&hf_docsis_tlv_upsflow,
{"24 Upstream Service Flow", "docsis_tlv.upsflow",
FT_BYTES, BASE_HEX, NULL, 0x0,
"24 Upstream Service Flow", HFILL}
},
{&hf_docsis_tlv_downsflow,
{"25 Downstream Service Flow", "docsis_tlv.downsflow",
FT_BYTES, BASE_HEX, NULL, 0x0,
"25 Downstream Service Flow", HFILL}
},
{&hf_docsis_tlv_sflow_ref,
{".1 Service Flow Ref", "docsis_tlv.sflow.ref",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Flow Reference", HFILL}
},
{&hf_docsis_tlv_sflow_id,
{".2 Service Flow Id", "docsis_tlv.sflow.id",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Service Flow Id", HFILL}
},
{&hf_docsis_tlv_sflow_sid,
{".3 Service Identifier", "docsis_tlv.sflow.sid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Identifier", HFILL}
},
{&hf_docsis_tlv_sflow_classname,
{".4 Service Class Name", "docsis_tlv.sflow.cname",
FT_STRINGZ, BASE_HEX, NULL, 0x0,
"Service Class Name", HFILL}
},
{&hf_docsis_tlv_sflow_err,
{".5 Error Encodings", "docsis_tlv.sflow.err",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Error Encodings", HFILL}
},
{&hf_docsis_tlv_sflow_err_param,
{"..1 Param Subtype", "docsis_tlv.sflow.err.param",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Parameter Subtype", HFILL}
},
{&hf_docsis_tlv_sflow_err_code,
{"..2 Error Code", "docsis_tlv.sflow.err.code",
FT_UINT8, BASE_DEC, VALS(docsis_conf_code), 0x0,
"Error Code", HFILL}
},
{&hf_docsis_tlv_sflow_err_msg,
{"..3 Error Message", "docsis_tlv.sflow.err.msg",
FT_STRINGZ, BASE_DEC, NULL, 0x0,
"Error Message", HFILL}
},
{&hf_docsis_tlv_sflow_qos_param,
{".6 QOS Parameter Set", "docsis_tlv.sflow.qos",
FT_UINT8, BASE_HEX, VALS (qos_param_vals), 0x0,
"QOS Parameter Set", HFILL}
},
{&hf_docsis_tlv_sflow_traf_pri,
{".7 Traffic Priority", "docsis_tlv.sflow.trafpri",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Traffic Priority", HFILL}
},
{&hf_docsis_tlv_sflow_max_sus,
{".8 Maximum Sustained Traffic Rate (bps)",
"docsis_tlv.sflow.maxtrafrate",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Maximum Sustained Traffic Rate (bps)", HFILL}
},
{&hf_docsis_tlv_sflow_max_burst,
{".9 Maximum Burst (bps)", "docsis_tlv.sflow.maxburst",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Maximum Burst (bps)", HFILL}
},
{&hf_docsis_tlv_sflow_min_traf,
{".10 Minimum Traffic Rate (bps)", "docsis_tlv.sflow.mintrafrate",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Minimum Traffic Rate (bps)", HFILL}
},
{&hf_docsis_tlv_sflow_ass_min_pkt_size,
{".11 Assumed Min Reserved Packet Size",
"docsis_tlv.sflow.assumed_min_pkt_size",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Assumed Minimum Reserved Packet Size", HFILL}
},
{&hf_docsis_tlv_sflow_timeout_active,
{".12 Timeout for Active Params (secs)", "docsis_tlv.sflow.act_timeout",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Timeout for Active Params (secs)", HFILL}
},
{&hf_docsis_tlv_sflow_timeout_admitted,
{".13 Timeout for Admitted Params (secs)",
"docsis_tlv.sflow.adm_timeout",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Timeout for Admitted Params (secs)", HFILL}
},
{&hf_docsis_tlv_sflow_max_down_latency,
{".14 Maximum Downstream Latency (usec)",
"docsis_tlv.sflow.max_down_lat",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Maximum Downstream Latency (usec)", HFILL}
},
{&hf_docsis_tlv_sflow_max_concat_burst,
{".14 Max Concat Burst", "docsis_tlv.sflow.maxconcat",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Max Concatenated Burst", HFILL}
},
{&hf_docsis_tlv_sflow_sched_type,
{".15 Scheduling Type", "docsis_tlv.sflow.schedtype",
FT_UINT32, BASE_HEX, VALS (sched_type_vals), 0x0,
"Scheduling Type", HFILL}
},
{&hf_docsis_tlv_sflow_reqxmit_pol,
{".16 Request/Transmission Policy", "docsis_tlv.sflow.reqxmitpol",
FT_UINT32, BASE_HEX, NULL, 0x0,
"Request/Transmission Policy", HFILL}
},
{&hf_docsis_tlv_sflow_nominal_polling,
{".17 Nominal Polling Interval(usec)",
"docsis_tlv.sflow.nominal_polling",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Nominal Polling Interval(usec)", HFILL}
},
{&hf_docsis_tlv_sflow_tolerated_jitter,
{".18 Tolerated Poll Jitter (usec)", "docsis_tlv.sflow.toler_jitter",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Tolerated Poll Jitter (usec)", HFILL}
},
{&hf_docsis_tlv_sflow_ugs_size,
{".19 Unsolicited Grant Size (bytes)", "docsis_tlv.sflow.ugs_size",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Unsolicited Grant Size (bytes)", HFILL}
},
{&hf_docsis_tlv_sflow_nom_grant_intvl,
{".20 Nominal Grant Interval (usec)", "docsis_tlv.sflow.nom_grant_intvl",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Nominal Grant Interval (usec)", HFILL}
},
{&hf_docsis_tlv_sflow_tol_grant_jitter,
{".21 Tolerated Grant Jitter (usec)",
"docsis_tlv.sflow.tol_grant_jitter",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Tolerated Grant Jitter (usec)", HFILL}
},
{&hf_docsis_tlv_sflow_grants_per_intvl,
{".22 Grants Per Interval", "docsis_tlv.sflow.grnts_per_intvl",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Grants Per Interval", HFILL}
},
{&hf_docsis_tlv_sflow_ip_tos_overwrite,
{".23 IP TOS Overwrite", "docsis_tlv.sflow.iptos_overwrite",
FT_UINT16, BASE_HEX, NULL, 0x0,
"IP TOS Overwrite", HFILL}
},
{&hf_docsis_tlv_sflow_ugs_timeref,
{".24 UGS Time Reference", "docsis_tlv.sflow.ugs_timeref",
FT_UINT32, BASE_DEC, NULL, 0x0,
"UGS Time Reference", HFILL}
},
{&hf_docsis_tlv_sflow_vendor_spec,
{".43 Vendor Specific Encodings", "docsis_tlv.sflow.vendorspec",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Vendor Specific Encodings", HFILL}
},
{&hf_docsis_tlv_phs,
{"26 PHS Rules", "docsis_tlv.phs",
FT_BYTES, BASE_HEX, NULL, 0x0,
"PHS Rules", HFILL}
},
{&hf_docsis_tlv_phs_class_ref,
{".1 Classifier Reference", "docsis_tlv.phs.classref",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Classifier Reference", HFILL}
},
{&hf_docsis_tlv_phs_class_id,
{".2 Classifier Id", "docsis_tlv.phs.classid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Classifier Id", HFILL}
},
{&hf_docsis_tlv_phs_sflow_ref,
{".3 Service flow reference", "docsis_tlv.phs.sflowref",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Flow Reference", HFILL}
},
{&hf_docsis_tlv_phs_sflow_id,
{".4 Service flow Id", "docsis_tlv.phs.sflowid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Service Flow Id", HFILL}
},
{&hf_docsis_tlv_phs_dsc_action,
{".5 DSC Action", "docsis_tlv.phs.dscaction",
FT_UINT8, BASE_DEC, VALS (action_vals), 0x0,
"Dynamic Service Change Action", HFILL}
},
{&hf_docsis_tlv_phs_err,
{".6 Error Encodings", "docsis_tlv.phs.err",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Error Encodings", HFILL}
},
{&hf_docsis_tlv_phs_err_param,
{"..1 Param Subtype", "docsis_tlv.phs.err.param",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Parameter Subtype", HFILL}
},
{&hf_docsis_tlv_phs_err_code,
{"..2 Error Code", "docsis_tlv.phs.err.code",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Error Code", HFILL}
},
{&hf_docsis_tlv_phs_err_msg,
{"..3 Error Message", "docsis_tlv.phs.err.msg",
FT_STRINGZ, BASE_DEC, NULL, 0x0,
"Error Message", HFILL}
},
{&hf_docsis_tlv_phs_phsf,
{".7 PHS Field", "docsis_tlv.phs.phsf",
FT_BYTES, BASE_HEX, NULL, 0x0,
"PHS Field", HFILL}
},
{&hf_docsis_tlv_phs_phsi,
{".8 PHS Index", "docsis_tlv.phs.phsi",
FT_UINT8, BASE_DEC, NULL, 0x0,
"PHS Index", HFILL}
},
{&hf_docsis_tlv_phs_phsm,
{".9 PHS Mask", "docsis_tlv.phs.phsm",
FT_BYTES, BASE_HEX, NULL, 0x0,
"PHS Mask", HFILL}
},
{&hf_docsis_tlv_phs_phss,
{".10 PHS Size", "docsis_tlv.phs.phss",
FT_UINT8, BASE_DEC, NULL, 0x0,
"PHS Size", HFILL}
},
{&hf_docsis_tlv_phs_phsv,
{".11 PHS Verify", "docsis_tlv.phs.phsv",
FT_BOOLEAN, BASE_DEC, TFS (&verify_tfs), 0x0,
"PHS Verify", HFILL}
},
{&hf_docsis_tlv_phs_vendorspec,
{".43 PHS Vendor Specific", "docsis_tlv.phs.vendorspec",
FT_BYTES, BASE_HEX, NULL, 0x0,
"PHS Vendor Specific", HFILL}
},
{&hf_docsis_tlv_hmac_digest,
{"27 HMAC Digest", "docsis_tlv.hmac_digest",
FT_BYTES, BASE_HEX, NULL, 0x0,
"HMAC Digest", HFILL}
},
{&hf_docsis_tlv_max_classifiers,
{"28 Max # of Classifiers", "docsis_tlv.maxclass",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Max # of Classifiers", HFILL}
},
{&hf_docsis_tlv_privacy_enable,
{"29 Privacy Enable", "docsis_tlv.bpi_en",
FT_BOOLEAN, BASE_DEC, TFS (&ena_dis_tfs), 0x0,
"Privacy Enable", HFILL}
},
{&hf_docsis_tlv_auth_block,
{"30 Auth Block", "docsis_tlv.auth_block",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Auth Block", HFILL}
},
{&hf_docsis_tlv_key_seq_num,
{"31 Key Sequence Number", "docsis_tlv.key_seq",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Key Sequence Number", HFILL}
},
{&hf_docsis_tlv_mfgr_cvc,
{"32 Manufacturer CVC", "docsis_tlv.mfgr_cvc",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Manufacturer CVC", HFILL}
},
{&hf_docsis_tlv_cosign_cvc,
{"33 Co-Signer CVC", "docsis_tlv.cosign_cvc",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Co-Signer CVC", HFILL}
},
{&hf_docsis_tlv_snmpv3_kick,
{"34 SNMPv3 Kickstart Value", "docsis_tlv.snmpv3",
FT_BYTES, BASE_HEX, NULL, 0x0,
"SNMPv3 Kickstart Value", HFILL}
},
{&hf_docsis_tlv_snmpv3_kick_name,
{".1 SNMPv3 Kickstart Security Name", "docsis_tlv.snmpv3.secname",
FT_STRING, BASE_DEC, NULL, 0x0,
"SNMPv3 Kickstart Security Name", HFILL}
},
{&hf_docsis_tlv_snmpv3_kick_publicnum,
{".2 SNMPv3 Kickstart Manager Public Number", "docsis_tlv.snmpv3.publicnum",
FT_BYTES, BASE_HEX, NULL, 0x0,
"SNMPv3 Kickstart Value Manager Public Number", HFILL}
},
{&hf_docsis_tlv_subs_mgmt_ctrl,
{"35 Subscriber Management Control", "docsis_tlv.subsmgmtctrl",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Subscriber Management Control", HFILL}
},
{&hf_docsis_tlv_subs_mgmt_ip_table,
{"36 Subscriber Management CPE IP Table", "docsis_tlv.subsiptable",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Subscriber Management CPE IP Table", HFILL}
},
{&hf_docsis_tlv_subs_mgmt_ip_entry,
{"Subscriber Management CPE IP Entry", "docsis_tlv.subsipentry",
FT_IPv4, BASE_DEC, NULL, 0x0,
"Subscriber Management CPE IP Entry", HFILL}
},
{&hf_docsis_tlv_subs_mgmt_filter_grps,
{"37 Subscriber Management Filter Groups", "docsis_tlv.subsfltrgrps",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Subscriber Management Filter Groups", HFILL}
},
{&hf_docsis_tlv_vendor_spec,
{"43 Vendor Specific Encodings", "docsis_tlv.vendorspec",
FT_BYTES, BASE_HEX, NULL, 0x0,
"Vendor Specific Encodings", HFILL}
},
{&hf_docsis_tlv_rng_tech,
{"Ranging Technique", "docsis_tlv.rng_tech",
FT_UINT8, BASE_DEC, VALS (rng_tech_vals), 0x0,
"Ranging Technique", HFILL}
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_docsis_tlv,
&ett_docsis_tlv_cos,
&ett_docsis_tlv_mcap,
&ett_docsis_tlv_clsfr,
&ett_docsis_tlv_clsfr_ip,
&ett_docsis_tlv_clsfr_eth,
&ett_docsis_tlv_clsfr_err,
&ett_docsis_tlv_clsfr_dot1q,
&ett_docsis_tlv_reqxmitpol,
&ett_docsis_tlv_sflow_err,
&ett_docsis_tlv_phs,
&ett_docsis_tlv_phs_err,
&ett_docsis_tlv_svc_unavail,
&ett_docsis_tlv_snmpv3_kick,
};
/* Register the protocol name and description */
proto_docsis_tlv = proto_register_protocol ("DOCSIS Appendix C TLV's",
"DOCSIS TLVs", "docsis_tlv");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array (proto_docsis_tlv, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
register_dissector ("docsis_tlv", dissect_tlv, proto_docsis_tlv);
}
/* 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_tlv (void)
{
dissector_handle_t docsis_tlv_handle;
docsis_tlv_handle = find_dissector ("docsis_tlv");
docsis_vsif_handle = find_dissector("docsis_vsif");
dissector_add ("docsis", 0xFF, docsis_tlv_handle);
}
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