DOCSIS: added vsif general extension dissection

Change-Id: Ic61815b967fac412fb1a324c470ff5171b97acbb
Reviewed-on: https://code.wireshark.org/review/23840
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Bruno Verstuyft 2017-10-05 10:34:18 +02:00 committed by Anders Broman
parent 6172627534
commit 471736ece0
1 changed files with 614 additions and 5 deletions

View File

@ -46,6 +46,7 @@
/* Define Vendor ID's here */
#define VENDOR_CISCO 0x00000C
#define VENDOR_GENERAL 0xFFFFFF
void proto_register_docsis_vsif(void);
void proto_reg_handoff_docsis_vsif(void);
@ -60,18 +61,83 @@ static int hf_docsis_vsif_cisco_ipprec_val = -1;
static int hf_docsis_vsif_cisco_ipprec_bw = -1;
static int hf_docsis_vsif_cisco_config_file = -1;
static int hf_docsis_vsif_gex_loadbal_policy_id = -1;
static int hf_docsis_vsif_gex_loadbal_priority = -1;
static int hf_docsis_vsif_gex_loadbal_group_id = -1;
static int hf_docsis_vsif_gex_ranging_class_id_extension = -1;
static int hf_docsis_vsif_gex_l2vpn_encoding = -1;
static int hf_docsis_vsif_gex_ecm = -1;
static int hf_docsis_vsif_gex_sav = -1;
static int hf_docsis_vsif_gex_cmam = -1;
static int hf_docsis_vsif_gex_imja = -1;
static int hf_docsis_vsif_gex_service_type_identifier = -1;
static int hf_docsis_vsif_gex_ecm_extended_cmts_mic_hmac_type = -1;
static int hf_docsis_vsif_gex_ecm_extended_cmts_mic_bitmap = -1;
static int hf_docsis_vsif_gex_ecm_explicit_extended_cmts_mic_digest_subtype = -1;
static int hf_docsis_vsif_gex_sav_group_name = -1;
static int hf_docsis_vsif_gex_sav_static_prefix_rule = -1;
static int hf_docsis_vsif_gex_sav_static_prefix_addressv4 = -1;
static int hf_docsis_vsif_gex_sav_static_prefix_addressv6 = -1;
static int hf_docsis_vsif_gex_sav_static_prefix_length = -1;
static int hf_docsis_vsif_gex_cmam_cm_required_downstream_attribute_mask = -1;
static int hf_docsis_vsif_gex_cmam_cm_forbidden_downstream_attribute_mask = -1;
static int hf_docsis_vsif_gex_cmam_cm_required_upstream_attribute_mask = -1;
static int hf_docsis_vsif_gex_cmam_cm_forbidden_upstream_attribute_mask = -1;
static int hf_docsis_vsif_gex_imja_ip_multicast_profile_name = -1;
static int hf_docsis_vsif_gex_imja_ssr = -1;
static int hf_docsis_vsif_gex_imja_maximum_multicast_sessions = -1;
static int hf_docsis_vsif_gex_imja_ssr_rule_priority = -1;
static int hf_docsis_vsif_gex_imja_ssr_authorization_action = -1;
static int hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv4 = -1;
static int hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv6 = -1;
static int hf_docsis_vsif_gex_imja_ssr_source_prefix_length = -1;
static int hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv4 = -1;
static int hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv6 = -1;
static int hf_docsis_vsif_gex_imja_ssr_group_prefix_length = -1;
static int hf_docsis_vsif_tlv_unknown = -1;
/* Initialize the subtree pointers */
static gint ett_docsis_vsif = -1;
static gint ett_docsis_vsif_ipprec = -1;
static gint ett_docsis_vsif_gex_ecm = -1;
static gint ett_docsis_vsif_gex_sav = -1;
static gint ett_docsis_vsif_gex_sav_spr = -1;
static gint ett_docsis_vsif_gex_cmam = -1;
static gint ett_docsis_vsif_gex_imja = -1;
static gint ett_docsis_vsif_gex_imja_ssr = -1;
static expert_field ei_docsis_vsif_tlvlen_bad = EI_INIT;
static expert_field ei_docsis_vsif_tlvtype_unknown = EI_INIT;
static const value_string vendorid_vals[] = {
{VENDOR_CISCO, "Cisco Systems, Inc."},
{VENDOR_GENERAL, "General Extension Information"},
{0, NULL},
};
static const value_string hmac_vals[] = {
{1, "MD5 HMAC [RFC 2104]"},
{2, "MMH16-sigma-n HMAC [DOCSIS SECv3.0]"},
{43, "Vendor Specific"},
{0, NULL},
};
static const value_string authorization_action_vals[] = {
{0, "permit"},
{1, "deny"},
{0, NULL},
};
/* Dissector for Cisco Vendor Specific TLV's */
#define NUM_PHONES 0x0a
@ -80,6 +146,10 @@ static const value_string vendorid_vals[] = {
#define IP_PREC_VAL 0x01
#define IP_PREC_BW 0x02
static void dissect_general_extension_information (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree,
gint vsif_len);
static void
dissect_cisco (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint vsif_len)
{
@ -184,12 +254,16 @@ dissect_vsif (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data
switch (value)
{
case VENDOR_CISCO:
proto_item_append_text (it, " (Cisco)");
dissect_cisco (tvb, pinfo, vsif_tree, vsif_len);
break;
proto_item_append_text (it, " (Cisco)");
dissect_cisco (tvb, pinfo, vsif_tree, vsif_len);
break;
case VENDOR_GENERAL:
proto_item_append_text (it, " (General Extension Information)");
dissect_general_extension_information (tvb, pinfo, vsif_tree, vsif_len);
break;
default:
proto_item_append_text (it, " (Unknown)");
proto_tree_add_item (vsif_tree, hf_docsis_vsif_vendor_unknown, tvb,
proto_item_append_text (it, " (Unknown)");
proto_tree_add_item (vsif_tree, hf_docsis_vsif_vendor_unknown, tvb,
0, -1, ENC_NA);
break;
}
@ -197,6 +271,365 @@ dissect_vsif (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data
return tvb_captured_length(tvb);
}
#define GEX_ECM_EXTENDED_CMTS_MIC_HMAC_TYPE 1
#define GEX_ECM_EXTENDED_CMTS_MIC_BITMAP 2
#define GEX_ECM_EXPLICIT_EXTENDED_CMTS_MIC_DIGEST_SUBTYPE 3
static void
dissect_extended_cmts_mic(tvbuff_t * tvb, proto_tree *tree, int start, guint16 len)
{
proto_item *ecm_it;
proto_tree *ecm_tree;
guint8 type, length;
int pos = start;
ecm_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_ecm, tvb, start, len, ENC_NA);
ecm_tree = proto_item_add_subtree(ecm_it, ett_docsis_vsif_gex_ecm);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_ECM_EXTENDED_CMTS_MIC_HMAC_TYPE:
proto_tree_add_item (ecm_tree, hf_docsis_vsif_gex_ecm_extended_cmts_mic_hmac_type, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_ECM_EXTENDED_CMTS_MIC_BITMAP:
proto_tree_add_item (ecm_tree, hf_docsis_vsif_gex_ecm_extended_cmts_mic_bitmap, tvb, pos, length, ENC_NA);
break;
case GEX_ECM_EXPLICIT_EXTENDED_CMTS_MIC_DIGEST_SUBTYPE:
proto_tree_add_item (ecm_tree, hf_docsis_vsif_gex_ecm_explicit_extended_cmts_mic_digest_subtype, tvb, pos, length, ENC_NA);
break;
default:
proto_tree_add_item (ecm_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
break;
} /* switch */
pos += length;
} /* while */
}
#define GEX_SAV_STATIC_PREFIX_ADDRESS 1
#define GEX_SAV_STATIC_PREFIX_LENGTH 2
static void
dissect_sav_static_prefix_rule(tvbuff_t * tvb, packet_info * pinfo, proto_tree *tree, int start, guint16 len)
{
proto_item *sav_spr_it;
proto_tree *sav_spr_tree;
guint8 type, length;
int pos = start;
sav_spr_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_sav_static_prefix_rule, tvb, start, len, ENC_NA);
sav_spr_tree = proto_item_add_subtree(sav_spr_it, ett_docsis_vsif_gex_sav_spr);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_SAV_STATIC_PREFIX_ADDRESS:
if (length == 4) {
proto_tree_add_item (sav_spr_tree, hf_docsis_vsif_gex_sav_static_prefix_addressv4, tvb, pos, length, ENC_BIG_ENDIAN);
} else if (length == 6) {
proto_tree_add_item (sav_spr_tree, hf_docsis_vsif_gex_sav_static_prefix_addressv6, tvb, pos, length, ENC_NA);
} else {
expert_add_info_format(pinfo, sav_spr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
break;
case GEX_SAV_STATIC_PREFIX_LENGTH:
if (length == 1) {
proto_tree_add_item (sav_spr_tree, hf_docsis_vsif_gex_sav_static_prefix_length, tvb, pos, length, ENC_BIG_ENDIAN);
} else {
expert_add_info_format(pinfo, sav_spr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
break;
default:
proto_tree_add_item (sav_spr_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
break;
} /* switch */
pos += length;
} /* while */
}
#define GEX_SAV_GROUP_NAME 1
#define GEX_SAV_STATIC_PREFIX_RULE 2
static void
dissect_sav(tvbuff_t * tvb, packet_info * pinfo, proto_tree *tree, int start, guint16 len)
{
proto_item *sav_it;
proto_tree *sav_tree;
guint8 type, length;
int pos = start;
sav_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_sav, tvb, start, len, ENC_NA);
sav_tree = proto_item_add_subtree(sav_it, ett_docsis_vsif_gex_sav);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_SAV_GROUP_NAME:
proto_tree_add_item (sav_tree, hf_docsis_vsif_gex_sav_group_name, tvb, pos, length, ENC_ASCII|ENC_NA);
break;
case GEX_SAV_STATIC_PREFIX_RULE:
dissect_sav_static_prefix_rule(tvb, pinfo, sav_tree, pos, length);
break;
default:
proto_tree_add_item (sav_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
break;
} /* switch */
pos += length;
} /* while */
}
#define GEX_CM_REQUIRED_DOWNSTREAM_ATTRIBUTE_MASK 1
#define GEX_CM_FORBIDDEN_DOWNSTREAM_ATTRIBUTE_MASK 2
#define GEX_CM_REQUIRED_UPSTREAM_ATTRIBUTE_MASK 3
#define GEX_CM_FORBIDDEN_UPSTREAM_ATTRIBUTE_MASK 4
static void
dissect_cable_modem_attribute_masks(tvbuff_t * tvb, packet_info * pinfo, proto_tree *tree, int start, guint16 len)
{
proto_item *cmam_it;
proto_tree *cmam_tree;
guint8 type, length;
int pos = start;
cmam_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_cmam, tvb, start, len, ENC_NA);
cmam_tree = proto_item_add_subtree(cmam_it, ett_docsis_vsif_gex_cmam);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_CM_REQUIRED_DOWNSTREAM_ATTRIBUTE_MASK:
if (length != 4) {
expert_add_info_format(pinfo, cmam_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (cmam_tree, hf_docsis_vsif_gex_cmam_cm_required_downstream_attribute_mask, tvb, pos, length, ENC_NA);
break;
case GEX_CM_FORBIDDEN_DOWNSTREAM_ATTRIBUTE_MASK:
if (length != 4) {
expert_add_info_format(pinfo, cmam_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (cmam_tree, hf_docsis_vsif_gex_cmam_cm_forbidden_downstream_attribute_mask, tvb, pos, length, ENC_NA);
break;
case GEX_CM_REQUIRED_UPSTREAM_ATTRIBUTE_MASK:
if (length != 4) {
expert_add_info_format(pinfo, cmam_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (cmam_tree, hf_docsis_vsif_gex_cmam_cm_required_upstream_attribute_mask, tvb, pos, length, ENC_NA);
break;
case GEX_CM_FORBIDDEN_UPSTREAM_ATTRIBUTE_MASK:
if (length != 4) {
expert_add_info_format(pinfo, cmam_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (cmam_tree, hf_docsis_vsif_gex_cmam_cm_forbidden_upstream_attribute_mask, tvb, pos, length, ENC_NA);
break;
default: proto_tree_add_item (cmam_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
} /* switch */
pos += length;
} /* while */
}
#define GEX_IMJA_SSR_RULE_PRIORITY 1
#define GEX_IMJA_SSR_AUTHORIZATION_ACTION 2
#define GEX_IMJA_SSR_AUTHORIZATION_SOURCE_PREFIX_ADDRESS 3
#define GEX_IMJA_SSR_AUTHORIZATION_SOURCE_PREFIX_LENGTH 4
#define GEX_IMJA_SSR_AUTHORIZATION_GROUP_PREFIX_ADDRESS 5
#define GEX_IMJA_SSR_AUTHORIZATION_GROUP_PREFIX_LENGTH 6
static void
dissect_ip_multicast_join_authorization_static_session_rule(tvbuff_t * tvb, packet_info * pinfo, proto_tree *tree, int start, guint16 len)
{
proto_item *imja_ssr_it;
proto_tree *imja_ssr_tree;
guint8 type, length;
int pos = start;
imja_ssr_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_imja_ssr, tvb, start, len, ENC_NA);
imja_ssr_tree = proto_item_add_subtree(imja_ssr_it, ett_docsis_vsif_gex_imja_ssr);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_IMJA_SSR_RULE_PRIORITY:
if (length != 1) {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_rule_priority, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_IMJA_SSR_AUTHORIZATION_ACTION:
if (length != 1) {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_authorization_action, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_IMJA_SSR_AUTHORIZATION_SOURCE_PREFIX_ADDRESS:
if (length == 4) {
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv4, tvb, pos, length, ENC_BIG_ENDIAN);
} else if (length == 6) {
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv6, tvb, pos, length, ENC_NA);
} else {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
break;
case GEX_IMJA_SSR_AUTHORIZATION_SOURCE_PREFIX_LENGTH:
if (length != 1) {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_source_prefix_length, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_IMJA_SSR_AUTHORIZATION_GROUP_PREFIX_ADDRESS:
if (length == 4) {
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv4, tvb, pos, length, ENC_BIG_ENDIAN);
} else if (length == 6) {
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv6, tvb, pos, length, ENC_NA);
} else {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
break;
case GEX_IMJA_SSR_AUTHORIZATION_GROUP_PREFIX_LENGTH:
if (length != 1) {
expert_add_info_format(pinfo, imja_ssr_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_gex_imja_ssr_group_prefix_length, tvb, pos, length, ENC_BIG_ENDIAN);
break;
default: proto_tree_add_item (imja_ssr_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
} /* switch */
pos += length;
} /* while */
}
#define GEX_IMJA_IP_MULTICAST_PROFILE_NAME 1
#define GEX_IMJA_IP_MULTICAST_PROFILE_JOIN_AUTHORIZATION_STATIC_SESSION_RULE 2
#define GEX_IMJA_MAXIMUM_MULTICAST_SESSIONS 3
static void
dissect_ip_multicast_join_authorization(tvbuff_t * tvb, packet_info * pinfo, proto_tree *tree, int start, guint16 len)
{
proto_item *imja_it;
proto_tree *imja_tree;
guint8 type, length;
int pos = start;
imja_it = proto_tree_add_item (tree, hf_docsis_vsif_gex_imja, tvb, start, len, ENC_NA);
imja_tree = proto_item_add_subtree(imja_it, ett_docsis_vsif_gex_imja);
while (pos < (start + len))
{
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_IMJA_IP_MULTICAST_PROFILE_NAME:
if ((length < 1) || (length > 15)) {
expert_add_info_format(pinfo, imja_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_tree, hf_docsis_vsif_gex_imja_ip_multicast_profile_name, tvb, pos, length, ENC_ASCII|ENC_NA);
break;
case GEX_IMJA_IP_MULTICAST_PROFILE_JOIN_AUTHORIZATION_STATIC_SESSION_RULE:
dissect_ip_multicast_join_authorization_static_session_rule(tvb, pinfo, imja_tree, pos, length);
break;
case GEX_IMJA_MAXIMUM_MULTICAST_SESSIONS:
if (length != 2) {
expert_add_info_format(pinfo, imja_it, &ei_docsis_vsif_tlvlen_bad, "Wrong TLV length: %u", length);
}
proto_tree_add_item (imja_tree, hf_docsis_vsif_gex_imja_maximum_multicast_sessions, tvb, pos, length, ENC_BIG_ENDIAN);
break;
default: proto_tree_add_item (imja_tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
} /* switch */
pos += length;
} /* while */
}
/* Dissector for General Extension TLV's */
#define GEX_CM_LOAD_BALANCING_POLICY_ID 1
#define GEX_CM_LOAD_BALANCING_PRIORITY 2
#define GEX_CM_LOAD_BALANCING_GROUP_ID 3
#define GEX_CM_RANGING_CLASS_ID_EXTENSION 4
#define GEX_L2VPN_ENCODING 5
#define GEX_EXTENDED_CMTS_MIC_CONFIGURATION_SETTING 6
#define GEX_EXTENDED_SAV 7
#define GEX_CABLE_MODEM_ATTRIBUTE_MASKS 9
#define GEX_IP_MULTICAST_JOIN_AUTHORIZATION 10
#define GEX_SERVICE_TYPE_IDENTIFIER 11
static void
dissect_general_extension_information (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint vsif_len)
{
/* Start at pos = 5, since tvb includes the Vendor ID field */
int pos = 5;
guint8 type, length;
while (pos < vsif_len)
{
/* Extract the type and length Fields from the TLV */
type = tvb_get_guint8 (tvb, pos++);
length = tvb_get_guint8 (tvb, pos++);
switch (type)
{
case GEX_CM_LOAD_BALANCING_POLICY_ID:
proto_tree_add_item (tree, hf_docsis_vsif_gex_loadbal_policy_id, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_CM_LOAD_BALANCING_PRIORITY:
proto_tree_add_item (tree, hf_docsis_vsif_gex_loadbal_priority, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_CM_LOAD_BALANCING_GROUP_ID:
proto_tree_add_item (tree, hf_docsis_vsif_gex_loadbal_group_id, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_CM_RANGING_CLASS_ID_EXTENSION:
proto_tree_add_item (tree, hf_docsis_vsif_gex_ranging_class_id_extension, tvb, pos, length, ENC_BIG_ENDIAN);
break;
case GEX_L2VPN_ENCODING:
proto_tree_add_item (tree, hf_docsis_vsif_gex_l2vpn_encoding, tvb, pos, length, ENC_NA);
break;
case GEX_EXTENDED_CMTS_MIC_CONFIGURATION_SETTING:
dissect_extended_cmts_mic(tvb, tree, pos, length);
break;
case GEX_EXTENDED_SAV:
dissect_sav(tvb, pinfo, tree, pos, length);
break;
case GEX_CABLE_MODEM_ATTRIBUTE_MASKS:
dissect_cable_modem_attribute_masks(tvb, pinfo, tree, pos, length);
break;
case GEX_IP_MULTICAST_JOIN_AUTHORIZATION:
dissect_ip_multicast_join_authorization(tvb, pinfo, tree, pos, length);
break;
case GEX_SERVICE_TYPE_IDENTIFIER:
proto_tree_add_item (tree, hf_docsis_vsif_gex_service_type_identifier, tvb, pos, length, ENC_ASCII|ENC_NA);
break;
default:
proto_tree_add_item (tree, hf_docsis_vsif_tlv_unknown, tvb, pos, length, ENC_NA);
}
pos += length;
}
}
/* Register the protocol with Wireshark */
void
proto_register_docsis_vsif (void)
@ -239,11 +672,187 @@ proto_register_docsis_vsif (void)
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{&hf_docsis_vsif_gex_loadbal_policy_id,
{".1 CM Load Balancing Policy ID", "docsis_vsif.gex.loadbal_policyid",
FT_UINT32, BASE_DEC, NULL, 0x0,
"General Extension Information - CM Load Balancing Policy ID", HFILL}
},
{&hf_docsis_vsif_gex_loadbal_priority,
{".2 CM Load Balancing Priority", "docsis_vsif.gex.loadbal_priority",
FT_UINT32, BASE_DEC, NULL, 0x0,
"General Extension Information - CM Load Balancing Priority", HFILL}
},
{&hf_docsis_vsif_gex_loadbal_group_id,
{".3 CM Load Balancing Group ID", "docsis_vsif.gex.loadbal_group_id",
FT_UINT32, BASE_DEC, NULL, 0x0,
"General Extension Information - CM Load Balancing Group ID", HFILL}
},
{&hf_docsis_vsif_gex_ranging_class_id_extension,
{".4 CM Ranging Class ID Extension", "docsis_vsif.gex.ranging_class_id_extension",
FT_UINT32, BASE_DEC, NULL, 0x0,
"General Extension Information - CM Ranging Class ID Extension", HFILL}
},
{&hf_docsis_vsif_gex_l2vpn_encoding,
{".5 L2VPN Encoding", "docsis_vsif.gex.l2vpn_encoding",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - L2VPN Encoding", HFILL}
},
{&hf_docsis_vsif_gex_ecm,
{".6 Extended CMTS MIC Configuration Setting", "docsis_vsif.gex.extended_cmts_mic_configuration_setting",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - Extended CMTS MIC Configuration Setting", HFILL}
},
{&hf_docsis_vsif_gex_ecm_extended_cmts_mic_hmac_type,
{"..1 Extended CMTS MIC Hmac type", "docsis_vsif.gex.extended_cmts_mic_hmac_type",
FT_UINT8, BASE_DEC, VALS(hmac_vals), 0x0,
"General Extension Information - Extended CMTS MIC Hmac type", HFILL}
},
{&hf_docsis_vsif_gex_ecm_extended_cmts_mic_bitmap,
{"..2 Extended CMTS MIC Bitmap", "docsis_vsif.gex.extended_cmts_mic_hmac_type",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - Extended CMTS MIC Bitmap", HFILL}
},
{&hf_docsis_vsif_gex_ecm_explicit_extended_cmts_mic_digest_subtype,
{"..3 Explicit Extended CMTS MIC Digest Subtype", "docsis_vsif.gex.extended_cmts_mic_digest_subtype",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - Explicit Extended CMTS MIC Digest Subtype", HFILL}
},
{&hf_docsis_vsif_gex_sav,
{".7 Source Address Verification (SAV) Authorization Encoding", "docsis_vsif.gex.sav",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - Source Address Verification (SAV) Authorization Encoding", HFILL}
},
{&hf_docsis_vsif_gex_sav_group_name,
{"..1 SAV Group Name", "docsis_vsif.gex.sav.sav_group_name",
FT_STRING, BASE_NONE, NULL, 0x0,
"General Extension Information - SAV - SAV Group Name", HFILL}
},
{&hf_docsis_vsif_gex_sav_static_prefix_rule,
{"..2 SAV Static Prefix Rule", "docsis_vsif.gex.sav.static_prefix_rule",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - SAV -Static Prefix Rule", HFILL}
},
{&hf_docsis_vsif_gex_sav_static_prefix_addressv4,
{"...1 SAV Static Prefix Address", "docsis_vsif.gex.sav.spr.static_prefix_address",
FT_IPv4, BASE_NONE, NULL, 0x0,
"General Extension Information - SAV -Static Prefix Rule - Static Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_sav_static_prefix_addressv6,
{"...1 SAV Static Prefix Address", "docsis_vsif.gex.sav.spr.static_prefix_address",
FT_IPv6, BASE_NONE, NULL, 0x0,
"General Extension Information - SAV -Static Prefix Rule - Static Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_sav_static_prefix_length,
{"...2 SAV Static Prefix Length", "docsis_vsif.gex.sav.spr.static_prefix_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"General Extension Information - SAV -Static Prefix Rule - Static Prefix Length", HFILL}
},
{&hf_docsis_vsif_gex_cmam,
{".9 CM Attribute Mask", "docsis_vsif.gex.cmam",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - CM Attribute Mask", HFILL}
},
{&hf_docsis_vsif_gex_cmam_cm_required_downstream_attribute_mask,
{"..1 CM Required Downstream Attribute", "docsis_vsif.gex.cmam.cm_required_downstream_attribute",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - CM Attribute Mask - CM Required Downstream Attribute", HFILL}
},
{&hf_docsis_vsif_gex_cmam_cm_forbidden_downstream_attribute_mask,
{"..2 CM Forbidden Downstream Attribute", "docsis_vsif.gex.cmam.cm_forbidden_downstream_attribute",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - CM Attribute Mask - CM Forbidden Downstream Attribute", HFILL}
},
{&hf_docsis_vsif_gex_cmam_cm_required_upstream_attribute_mask,
{"..3 CM Required Upstream Attribute", "docsis_vsif.gex.cmam.cm_required_upstream_attribute",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - CM Attribute Mask - CM Required Upstream Attribute", HFILL}
},
{&hf_docsis_vsif_gex_cmam_cm_forbidden_upstream_attribute_mask,
{"..4 CM Forbidden Upstream Attribute", "docsis_vsif.gex.cmam.cm_forbidden_upstream_attribute",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - CM Attribute Mask - CM Forbidden Upstream Attribute", HFILL}
},
{&hf_docsis_vsif_gex_imja,
{".10 IP Multicast Join Authorization", "docsis_vsif.gex.imja",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization", HFILL}
},
{&hf_docsis_vsif_gex_imja_ip_multicast_profile_name,
{"..1 IP Multicast Profile Name", "docsis_vsif.gex.imja.ip_multicast_profile_name",
FT_STRING, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Name", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr,
{"..2 IP Multicast Profile Join Authorization Static Session Rule", "docsis_vsif.gex.imja.ip_multicast_join_authorization_static_session_rule",
FT_BYTES, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_rule_priority,
{"...1 Rule Priority", "docsis_vsif.gex.imja.imja_ssr_rule_priority",
FT_UINT8, BASE_DEC, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Rule Priority", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_authorization_action,
{"...2 Authorization Action", "docsis_vsif.gex.imja.imja_ssr_authorization_action",
FT_UINT8, BASE_DEC, VALS(authorization_action_vals), 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Rule Priority", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv4,
{"...3 Source Prefix Address", "docsis_vsif.gex.imja.imja_ssr_source_prefix_address",
FT_IPv4, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Source Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_source_prefix_addressv6,
{"...3 Source Prefix Address", "docsis_vsif.gex.imja.imja_ssr_source_prefix_address",
FT_IPv6, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Source Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_source_prefix_length,
{"...4 Source Prefix Length", "docsis_vsif.gex.imja.imja_ssr_source_prefix_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Source Prefix Length", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv4,
{"...5 Group Prefix Address", "docsis_vsif.gex.imja.imja_ssr_group_prefix_address",
FT_IPv4, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Group Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_group_prefix_addressv6,
{"...5 Group Prefix Address", "docsis_vsif.gex.imja.imja_ssr_group_prefix_address",
FT_IPv6, BASE_NONE, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Group Prefix Address", HFILL}
},
{&hf_docsis_vsif_gex_imja_ssr_group_prefix_length,
{"...6 Group Prefix Length", "docsis_vsif.gex.imja.imja_ssr_group_prefix_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - IP Multicast Profile Join Authorization Static Session Rule - Group Prefix Length", HFILL}
},
{&hf_docsis_vsif_gex_imja_maximum_multicast_sessions,
{"..3 Maximum Multicast Sessions", "docsis_vsif.gex.imja.imja_maximum_multicast_sessions",
FT_UINT16, BASE_DEC, NULL, 0x0,
"General Extension Information - IP Multicast Join Authorization - Maximum Multicast Sessions", HFILL}
},
{&hf_docsis_vsif_gex_service_type_identifier,
{".11 Service Type Identifier", "docsis_vsif.gex.service_type_identifier",
FT_STRING, BASE_NONE, NULL, 0x0,
"General Extension Information - Service Type Identifier", HFILL}
},
{&hf_docsis_vsif_tlv_unknown,
{"Unknown VSIF TLV", "docsis_vsif.unknown",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
};
static gint *ett[] = {
&ett_docsis_vsif,
&ett_docsis_vsif_ipprec,
&ett_docsis_vsif_gex_ecm,
&ett_docsis_vsif_gex_sav,
&ett_docsis_vsif_gex_sav_spr,
&ett_docsis_vsif_gex_cmam,
&ett_docsis_vsif_gex_imja,
&ett_docsis_vsif_gex_imja_ssr
};
expert_module_t* expert_docsis_vsif;