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- added a hidden field sctp.initiate_tag 

- expanded data for tapping.

svn path=/trunk/; revision=10713
This commit is contained in:
Michael Tüxen 2004-04-26 19:08:55 +00:00
parent 3226647c01
commit 1dc8da2d9e
1 changed files with 43 additions and 27 deletions
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70
packet-sctp.c
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@ -12,7 +12,7 @@
* - support for reassembly
* - error checking mode
*
* $Id: packet-sctp.c,v 1.67 2004/03/23 18:04:20 tuexen Exp $
* $Id: packet-sctp.c,v 1.68 2004/04/26 19:08:55 tuexen Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -68,6 +68,7 @@ static int hf_chunk_length = -1;
static int hf_chunk_padding = -1;
static int hf_chunk_value = -1;
static int hf_initiate_tag = -1;
static int hf_init_chunk_initiate_tag = -1;
static int hf_init_chunk_adv_rec_window_credit = -1;
static int hf_init_chunk_number_of_outbound_streams = -1;
@ -458,10 +459,10 @@ sctp_crc32c(const unsigned char* buf, unsigned int len)
*/
static void
dissect_parameter(tvbuff_t *, packet_info *, proto_tree *, proto_item *);
dissect_parameter(tvbuff_t *, packet_info *, proto_tree *, proto_item *, gboolean);
static void
dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_item *);
dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_item *, gboolean);
static void
dissect_error_cause(tvbuff_t *, packet_info *, proto_tree *);
@ -494,24 +495,36 @@ dissect_heartbeat_info_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_
#define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, proto_item *additional_item)
dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, proto_item *additional_item, gboolean dissecting_init_init_ack_chunk)
{
proto_tree_add_item(parameter_tree, hf_ipv4_address, parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
proto_item_append_text(parameter_item, " (Address: %s)", ip_to_str((const guint8 *)tvb_get_ptr(parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH)));
if (additional_item)
proto_item_append_text(additional_item, "%s", ip_to_str((const guint8 *)tvb_get_ptr(parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH)));
if (dissecting_init_init_ack_chunk) {
if (sctp_info.number_of_tvbs < MAXIMUM_NUMBER_OF_TVBS)
sctp_info.tvb[sctp_info.number_of_tvbs++] = parameter_tvb;
else
sctp_info.incomplete = TRUE;
}
}
#define IPV6_ADDRESS_LENGTH 16
#define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, proto_item *additional_item)
dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, proto_item *additional_item, gboolean dissecting_init_init_ack_chunk)
{
proto_tree_add_item(parameter_tree, hf_ipv6_address, parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
proto_item_append_text(parameter_item, " (Address: %s)", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH)));
if (additional_item)
proto_item_append_text(additional_item, "%s", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH)));
if (dissecting_init_init_ack_chunk) {
if (sctp_info.number_of_tvbs < MAXIMUM_NUMBER_OF_TVBS)
sctp_info.tvb[sctp_info.number_of_tvbs++] = parameter_tvb;
else
sctp_info.incomplete = TRUE;
}
}
#define STATE_COOKIE_PARAMETER_COOKIE_OFFSET PARAMETER_VALUE_OFFSET
@ -531,7 +544,7 @@ static void
dissect_unrecognized_parameters_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *parameter_tree)
{
/* FIXME: Does it contain one or more parameters? */
dissect_parameter(tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1), pinfo, parameter_tree, NULL);
dissect_parameter(tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1), pinfo, parameter_tree, NULL, FALSE);
}
#define COOKIE_PRESERVATIVE_PARAMETER_INCR_LENGTH 4
@ -629,7 +642,7 @@ dissect_add_ip_address_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, pr
proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, NETWORK_BYTE_ORDER);
address_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETER_OFFSET, address_length, address_length);
proto_item_append_text(parameter_item, " (Address: ");
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item);
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item, FALSE);
proto_item_append_text(parameter_item, ", correlation ID: %u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
}
@ -644,7 +657,7 @@ dissect_del_ip_address_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, pr
proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, NETWORK_BYTE_ORDER);
address_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETER_OFFSET, address_length, address_length);
proto_item_append_text(parameter_item, " (Address: ");
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item);
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item, FALSE);
proto_item_append_text(parameter_item, ", correlation ID: %u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
}
@ -673,7 +686,7 @@ dissect_set_primary_address_parameter(tvbuff_t *parameter_tvb, packet_info *pinf
proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, NETWORK_BYTE_ORDER);
address_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETER_OFFSET, address_length, address_length);
proto_item_append_text(parameter_item, " (Address: ");
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item);
dissect_parameter(address_tvb, pinfo, parameter_tree, parameter_item, FALSE);
proto_item_append_text(parameter_item, ", correlation ID: %u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
}
@ -758,7 +771,7 @@ static const true_false_string sctp_parameter_bit_2_value = {
};
static void
dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *chunk_tree, proto_item *additional_item)
dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *chunk_tree, proto_item *additional_item, gboolean dissecting_init_init_ack_chunk)
{
guint16 type, length, padding_length;
proto_item *parameter_item;
@ -784,10 +797,10 @@ dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *chunk
dissect_heartbeat_info_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case IPV4ADDRESS_PARAMETER_ID:
dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item, additional_item);
dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item, additional_item, dissecting_init_init_ack_chunk);
break;
case IPV6ADDRESS_PARAMETER_ID:
dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item, additional_item);
dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item, additional_item, dissecting_init_init_ack_chunk);
break;
case STATE_COOKIE_PARAMETER_ID:
dissect_state_cookie_parameter(parameter_tvb, parameter_tree, parameter_item);
@ -838,7 +851,7 @@ dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *chunk
}
static void
dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_item *additional_item)
dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_item *additional_item, gboolean dissecting_init_init_ack_chunk)
{
gint offset, length, total_length, remaining_length;
tvbuff_t *parameter_tvb;
@ -853,7 +866,7 @@ dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tre
total_length = MIN(total_length, remaining_length);
/* create a tvb for the parameter including the padding bytes */
parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
dissect_parameter(parameter_tvb, pinfo, tree, additional_item);
dissect_parameter(parameter_tvb, pinfo, tree, additional_item, dissecting_init_init_ack_chunk);
/* get rid of the handled parameter */
offset += total_length;
}
@ -934,7 +947,7 @@ dissect_unresolvable_address_cause(tvbuff_t *cause_tvb, packet_info *pinfo, prot
parameter_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, parameter_length, parameter_length);
proto_item_append_text(cause_item, " (Address: ");
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item);
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item, FALSE);
proto_item_append_text(cause_item, ")");
}
@ -966,7 +979,7 @@ dissect_unrecognized_parameters_cause(tvbuff_t *cause_tvb, packet_info *pinfo, p
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
unrecognized_parameters_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
dissect_parameters(unrecognized_parameters_tvb, pinfo, cause_tree, NULL);
dissect_parameters(unrecognized_parameters_tvb, pinfo, cause_tree, NULL, FALSE);
}
#define CAUSE_TSN_LENGTH 4
@ -993,7 +1006,7 @@ dissect_restart_with_new_address_cause(tvbuff_t *cause_tvb, packet_info *pinfo,
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
proto_item_append_text(cause_item, " (New addresses: ");
dissect_parameters(parameter_tvb, pinfo, cause_tree, cause_item);
dissect_parameters(parameter_tvb, pinfo, cause_tree, cause_item, FALSE);
proto_item_append_text(cause_item, ")");
}
@ -1026,7 +1039,7 @@ dissect_delete_last_address_cause(tvbuff_t *cause_tvb, packet_info *pinfo, proto
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
proto_item_append_text(cause_item, " (Last address: ");
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item);
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item, FALSE);
proto_item_append_text(cause_item, ")");
}
@ -1038,7 +1051,7 @@ dissect_resource_outage_cause(tvbuff_t *cause_tvb, packet_info *pinfo, proto_tre
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
dissect_parameter(parameter_tvb, pinfo, cause_tree, NULL);
dissect_parameter(parameter_tvb, pinfo, cause_tree, NULL, FALSE);
}
static void
@ -1050,7 +1063,7 @@ dissect_delete_source_address_cause(tvbuff_t *cause_tvb, packet_info *pinfo, pro
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
proto_item_append_text(cause_item, " (Deleted address: ");
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item);
dissect_parameter(parameter_tvb, pinfo, cause_tree, cause_item, FALSE);
proto_item_append_text(cause_item, ")");
}
@ -1062,7 +1075,7 @@ dissect_request_refused_cause(tvbuff_t *cause_tvb, packet_info *pinfo, proto_tre
cause_info_length = tvb_get_ntohs(cause_tvb, CAUSE_LENGTH_OFFSET) - CAUSE_HEADER_LENGTH;
parameter_tvb = tvb_new_subset(cause_tvb, CAUSE_INFO_OFFSET, cause_info_length, cause_info_length);
dissect_parameter(parameter_tvb, pinfo, cause_tree, NULL);
dissect_parameter(parameter_tvb, pinfo, cause_tree, NULL, FALSE);
}
static void
@ -1410,6 +1423,7 @@ dissect_init_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chunk_t
if (chunk_tree) {
/* handle fixed parameters */
proto_tree_add_item(chunk_tree, hf_init_chunk_initiate_tag, chunk_tvb, INIT_CHUNK_INITIATE_TAG_OFFSET, INIT_CHUNK_INITIATE_TAG_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item_hidden(chunk_tree, hf_initiate_tag, chunk_tvb, INIT_CHUNK_INITIATE_TAG_OFFSET, INIT_CHUNK_INITIATE_TAG_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_init_chunk_adv_rec_window_credit, chunk_tvb, INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET, INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_init_chunk_number_of_outbound_streams, chunk_tvb, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_init_chunk_number_of_inbound_streams, chunk_tvb, INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET, INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH, NETWORK_BYTE_ORDER);
@ -1418,7 +1432,7 @@ dissect_init_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chunk_t
/* handle variable paramters */
parameters_length = tvb_get_ntohs(chunk_tvb, CHUNK_LENGTH_OFFSET) - INIT_CHUNK_FIXED_PARAMTERS_LENGTH - CHUNK_HEADER_LENGTH;
parameters_tvb = tvb_new_subset(chunk_tvb, INIT_CHUNK_VARIABLE_LENGTH_PARAMETER_OFFSET, parameters_length, parameters_length);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL, TRUE);
proto_item_append_text(chunk_item, " (Outbound streams: %u, inbound streams: %u)",
tvb_get_ntohs(chunk_tvb, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET),
@ -1435,6 +1449,7 @@ dissect_init_ack_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chun
if (chunk_tree) {
/* handle fixed parameters */
proto_tree_add_item(chunk_tree, hf_initack_chunk_initiate_tag, chunk_tvb, INIT_CHUNK_INITIATE_TAG_OFFSET, INIT_CHUNK_INITIATE_TAG_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item_hidden(chunk_tree, hf_initiate_tag, chunk_tvb, INIT_CHUNK_INITIATE_TAG_OFFSET, INIT_CHUNK_INITIATE_TAG_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_initack_chunk_adv_rec_window_credit, chunk_tvb, INIT_CHUNK_ADV_REC_WINDOW_CREDIT_OFFSET, INIT_CHUNK_ADV_REC_WINDOW_CREDIT_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_initack_chunk_number_of_outbound_streams, chunk_tvb, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_LENGTH, NETWORK_BYTE_ORDER);
proto_tree_add_item(chunk_tree, hf_initack_chunk_number_of_inbound_streams, chunk_tvb, INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_OFFSET, INIT_CHUNK_NUMBER_OF_INBOUND_STREAMS_LENGTH, NETWORK_BYTE_ORDER);
@ -1443,7 +1458,7 @@ dissect_init_ack_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chun
/* handle variable paramters */
parameters_length = tvb_get_ntohs(chunk_tvb, CHUNK_LENGTH_OFFSET) - INIT_CHUNK_FIXED_PARAMTERS_LENGTH - CHUNK_HEADER_LENGTH;
parameters_tvb = tvb_new_subset(chunk_tvb, INIT_CHUNK_VARIABLE_LENGTH_PARAMETER_OFFSET, parameters_length, parameters_length);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL, TRUE);
proto_item_append_text(chunk_item, " (Outbound streams: %u, inbound streams: %u)",
tvb_get_ntohs(chunk_tvb, INIT_CHUNK_NUMBER_OF_OUTBOUND_STREAMS_OFFSET),
@ -1529,7 +1544,7 @@ dissect_heartbeat_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chu
proto_item_append_text(chunk_item, " (Information: %u byte%s)", info_length, plurality(info_length, "", "s"));
parameter_tvb = tvb_new_subset(chunk_tvb, HEARTBEAT_CHUNK_INFO_OFFSET, info_length, info_length);
/* FIXME: Parameters or parameter? */
dissect_parameter(parameter_tvb, pinfo, chunk_tree, NULL);
dissect_parameter(parameter_tvb, pinfo, chunk_tree, NULL, FALSE);
}
}
@ -1544,7 +1559,7 @@ dissect_heartbeat_ack_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree
proto_item_append_text(chunk_item, " (Information: %u byte%s)", info_length, plurality(info_length, "", "s"));
parameter_tvb = tvb_new_subset(chunk_tvb, HEARTBEAT_CHUNK_INFO_OFFSET, info_length, info_length);
/* FIXME: Parameters or parameter? */
dissect_parameter(parameter_tvb, pinfo, chunk_tree, NULL);
dissect_parameter(parameter_tvb, pinfo, chunk_tree, NULL, FALSE);
}
}
#define ABORT_CHUNK_FIRST_ERROR_CAUSE_OFFSET 4
@ -1702,7 +1717,7 @@ dissect_asconf_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *chunk_
proto_tree_add_item(chunk_tree, hf_asconf_serial, chunk_tvb, SERIAL_NUMBER_OFFSET, SERIAL_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
parameters_length = tvb_get_ntohs(chunk_tvb, CHUNK_LENGTH_OFFSET) - CHUNK_HEADER_LENGTH - SERIAL_NUMBER_LENGTH;
parameters_tvb = tvb_new_subset(chunk_tvb, ASCONF_CHUNK_PARAMETERS_OFFSET, parameters_length, parameters_length);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL, FALSE);
}
}
@ -1718,7 +1733,7 @@ dissect_asconf_ack_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *ch
proto_tree_add_item(chunk_tree, hf_asconf_ack_serial, chunk_tvb, SERIAL_NUMBER_OFFSET, SERIAL_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
parameters_length = tvb_get_ntohs(chunk_tvb, CHUNK_LENGTH_OFFSET) - CHUNK_HEADER_LENGTH - SERIAL_NUMBER_LENGTH;
parameters_tvb = tvb_new_subset(chunk_tvb, ASCONF_ACK_CHUNK_PARAMETERS_OFFSET, parameters_length, parameters_length);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL);
dissect_parameters(parameters_tvb, pinfo, chunk_tree, NULL, FALSE);
}
}
@ -2140,6 +2155,7 @@ proto_register_sctp(void)
{ &hf_chunk_padding, { "Chunk padding", "sctp.chunk_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
{ &hf_chunk_value, { "Chunk value", "sctp.chunk_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
{ &hf_cookie, { "Cookie", "sctp.cookie", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
{ &hf_initiate_tag, { "Initiate tag", "sctp.initiate_tag", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
{ &hf_init_chunk_initiate_tag, { "Initiate tag", "sctp.init_initiate_tag", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
{ &hf_init_chunk_adv_rec_window_credit, { "Advertised receiver window credit (a_rwnd)", "sctp.init_credit", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
{ &hf_init_chunk_number_of_outbound_streams, { "Number of outbound streams", "sctp.init_nr_out_streams", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },