diff options
| -rw-r--r-- | packet-m2pa.c | 342 |
1 files changed, 127 insertions, 215 deletions
diff --git a/packet-m2pa.c b/packet-m2pa.c index ba1feddaec..6b460e6b66 100644 --- a/packet-m2pa.c +++ b/packet-m2pa.c @@ -1,12 +1,12 @@ /* packet-m2pa.c * Routines for MTP2 Peer Adaptation Layer dissection * It is hopefully (needs testing) compliant to - * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-04.txt + * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-05.txt * * Copyright 2001, 2002, Jeff Morriss <jeff.morriss[AT]ulticom.com>, - * updated by Michael Tuexen <michael.tuexen[AT]icn.siemens.de> + * updated by Michael Tuexen <michael.tuexen[AT]siemens.com> * - * $Id: packet-m2pa.c,v 1.10 2002/06/20 20:58:07 guy Exp $ + * $Id: packet-m2pa.c,v 1.11 2002/08/27 19:28:23 tuexen Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -36,64 +36,120 @@ #include <epan/packet.h> -#define SCTP_PORT_M2PA 3565 -#define M2PA_PAYLOAD_PROTOCOL_ID 5 +#define NETWORK_BYTE_ORDER FALSE +#define SCTP_PORT_M2PA 3565 +#define M2PA_PAYLOAD_PROTOCOL_ID 5 + +static int proto_m2pa = -1; +static int hf_version = -1; +static int hf_spare = -1; +static int hf_type = -1; +static int hf_class = -1; +static int hf_length = -1; +static int hf_unused = -1; +static int hf_bsn = -1; +static int hf_fsn = -1; +static int hf_status = -1; +static int hf_li_spare = -1; +static int hf_li_prio = -1; +static int hf_filler = -1; +static int hf_unknown_data = -1; + +static gint ett_m2pa = -1; +static gint ett_m2pa_li = -1; + +static int mtp3_proto_id; +static dissector_handle_t mtp3_handle; #define VERSION_LENGTH 1 #define SPARE_LENGTH 1 #define CLASS_LENGTH 1 #define TYPE_LENGTH 1 #define LENGTH_LENGTH 4 -#define BSN_LENGTH 2 -#define FSN_LENGTH 2 +#define UNUSED_LENGTH 1 +#define BSN_LENGTH 3 +#define FSN_LENGTH 3 #define HEADER_LENGTH (VERSION_LENGTH + SPARE_LENGTH + \ CLASS_LENGTH + TYPE_LENGTH + LENGTH_LENGTH + \ - BSN_LENGTH + FSN_LENGTH) + UNUSED_LENGTH + BSN_LENGTH + UNUSED_LENGTH + FSN_LENGTH) -#define VERSION_OFFSET 0 +#define HEADER_OFFSET 0 +#define VERSION_OFFSET HEADER_OFFSET #define SPARE_OFFSET (VERSION_OFFSET + VERSION_LENGTH) #define CLASS_OFFSET (SPARE_OFFSET + SPARE_LENGTH) #define TYPE_OFFSET (CLASS_OFFSET + CLASS_LENGTH) #define LENGTH_OFFSET (TYPE_OFFSET + TYPE_LENGTH) -#define BSN_OFFSET (LENGTH_OFFSET + LENGTH_LENGTH) -#define FSN_OFFSET (BSN_OFFSET + BSN_LENGTH) -#define HEADER_OFFSET VERSION_OFFSET -#define MESSAGE_DATA_OFFSET (HEADER_OFFSET + HEADER_LENGTH) +#define FIRST_UNUSED_OFFSET (LENGTH_OFFSET + LENGTH_LENGTH) +#define BSN_OFFSET (FIRST_UNUSED_OFFSET + UNUSED_LENGTH) +#define SECOND_UNUSED_OFFSET (BSN_OFFSET + BSN_LENGTH) +#define FSN_OFFSET (SECOND_UNUSED_OFFSET + UNUSED_LENGTH) #define PROTOCOL_VERSION_RELEASE_1 1 -static const value_string m2pa_protocol_version_values[] = { + +static const value_string protocol_version_values[] = { { PROTOCOL_VERSION_RELEASE_1, "Release 1" }, { 0, NULL } }; - #define MESSAGE_CLASS_M2PA 0xb -static const value_string m2pa_message_class_values[] = { +static const value_string message_class_values[] = { { MESSAGE_CLASS_M2PA, "M2PA" }, { 0, NULL } }; - #define MESSAGE_TYPE_USER_DATA 0x1 #define MESSAGE_TYPE_LINK_STATUS 0x2 -static const value_string m2pa_message_type_values[] = { +static const value_string message_type_values[] = { { MESSAGE_TYPE_USER_DATA, "User Data" }, { MESSAGE_TYPE_LINK_STATUS, "Link Status" }, { 0, NULL } }; +static void +dissect_m2pa_header(tvbuff_t *header_tvb, proto_tree *m2pa_tree) +{ + if (m2pa_tree) { + proto_tree_add_item(m2pa_tree, hf_version, header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_spare, header_tvb, SPARE_OFFSET, SPARE_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_class, header_tvb, CLASS_OFFSET, CLASS_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_type, header_tvb, TYPE_OFFSET, TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_length, header_tvb, LENGTH_OFFSET, LENGTH_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, FIRST_UNUSED_OFFSET, UNUSED_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_bsn, header_tvb, BSN_OFFSET, BSN_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, SECOND_UNUSED_OFFSET, UNUSED_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_tree, hf_fsn, header_tvb, FSN_OFFSET, FSN_LENGTH, NETWORK_BYTE_ORDER); + } +} -/* parts of User Data message */ #define LI_OFFSET 0 #define LI_LENGTH 1 #define MTP3_OFFSET (LI_OFFSET + LI_LENGTH) +#define LI_SPARE_MASK 0x3f +#define LI_PRIORITY_MASK 0xc0 -/* LI is only used for (ITU national) priority in M2PA */ -#define LI_SPARE_MASK 0x3f -#define LI_PRIORITY_MASK 0xc0 +static void +dissect_m2pa_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) +{ + proto_item *m2pa_li_item; + proto_tree *m2pa_li_tree; + tvbuff_t *payload_tvb; + if (m2pa_tree) { + m2pa_li_item = proto_tree_add_text(m2pa_tree, message_data_tvb, LI_OFFSET, LI_LENGTH, "Length Indicator"); + m2pa_li_tree = proto_item_add_subtree(m2pa_li_item, ett_m2pa_li); + proto_tree_add_item(m2pa_li_tree, hf_li_prio, message_data_tvb, LI_OFFSET, LI_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m2pa_li_tree, hf_li_spare, message_data_tvb, LI_OFFSET, LI_LENGTH, NETWORK_BYTE_ORDER); + /* Re-adjust length of M2PA item since it will be dissected as MTP3 */ + proto_item_set_len(m2pa_item, HEADER_LENGTH + LI_LENGTH); + } + + payload_tvb = tvb_new_subset(message_data_tvb, MTP3_OFFSET, -1, -1); + call_dissector(mtp3_handle, payload_tvb, pinfo, tree); + if (!(proto_is_protocol_enabled (mtp3_proto_id))) + if (check_col(pinfo->cinfo, COL_INFO)) + col_append_str(pinfo->cinfo, COL_INFO, "User Data "); +} -/* parts of Link Status message */ #define STATUS_LENGTH 4 #define STATUS_OFFSET 0 #define FILLER_OFFSET (STATUS_OFFSET + STATUS_LENGTH) @@ -109,126 +165,45 @@ static const value_string m2pa_message_type_values[] = { #define STATUS_OUT_OF_SERVICE 9 #define STATUS_IN_SERVICE 10 -static const value_string m2pa_link_status_values[] = { - { STATUS_ALIGNMENT, "Alignment" }, - { STATUS_PROVING_NORMAL, "Proving Normal" }, - { STATUS_PROVING_EMERGENCY, "Proving Emergency" }, - { STATUS_READY, "Ready" }, - { STATUS_PROCESSOR_OUTAGE, "Processor Outage" }, - { STATUS_PROCESSOR_OUTAGE_ENDED, "Processor Outage Ended" }, - { STATUS_BUSY, "Busy" }, - { STATUS_BUSY_ENDED, "Busy Ended" }, - { STATUS_OUT_OF_SERVICE, "Out of Service" }, - { STATUS_IN_SERVICE, "In Service" }, - { 0, NULL } }; - - -/* Initialize the protocol and registered fields */ -static int proto_m2pa = -1; -static int hf_m2pa_version = -1; -static int hf_m2pa_spare = -1; -static int hf_m2pa_type = -1; -static int hf_m2pa_class = -1; -static int hf_m2pa_length = -1; -static int hf_m2pa_bsn = -1; -static int hf_m2pa_fsn = -1; -static int hf_m2pa_status = -1; -static int hf_m2pa_li_spare = -1; -static int hf_m2pa_li_prio = -1; -static int hf_m2pa_filler = -1; -static int hf_m2pa_unknown_data = -1; -/* Initialize the subtree pointers */ -static gint ett_m2pa = -1; -static gint ett_m2pa_li = -1; - -static dissector_handle_t mtp3_handle; - -static void -dissect_m2pa_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) -{ - proto_item *m2pa_li_item; - proto_tree *m2pa_li_tree; - tvbuff_t *payload_tvb; - guint8 li; - guint32 payload_length; - - payload_length = tvb_length(message_data_tvb) - LI_LENGTH; - - if (m2pa_tree) { - li = tvb_get_guint8(message_data_tvb, LI_OFFSET); - m2pa_li_item = proto_tree_add_text(m2pa_tree, message_data_tvb, LI_OFFSET, LI_LENGTH, "Length Indicator"); - m2pa_li_tree = proto_item_add_subtree(m2pa_li_item, ett_m2pa_li); - proto_tree_add_uint(m2pa_li_tree, hf_m2pa_li_prio, message_data_tvb, LI_OFFSET, LI_LENGTH, li); - proto_tree_add_uint(m2pa_li_tree, hf_m2pa_li_spare, message_data_tvb, LI_OFFSET, LI_LENGTH, li); - - /* Re-adjust length of M2PA item since it will be dissected as MTP3 */ - proto_item_set_len(m2pa_item, HEADER_LENGTH + LI_LENGTH); - }; - - payload_tvb = tvb_new_subset(message_data_tvb, MTP3_OFFSET, payload_length, payload_length); - call_dissector(mtp3_handle, payload_tvb, pinfo, tree); -} +static const value_string link_status_values[] = { + { STATUS_ALIGNMENT, "Alignment" }, + { STATUS_PROVING_NORMAL, "Proving Normal" }, + { STATUS_PROVING_EMERGENCY, "Proving Emergency" }, + { STATUS_READY, "Ready" }, + { STATUS_PROCESSOR_OUTAGE, "Processor Outage" }, + { STATUS_PROCESSOR_OUTAGE_ENDED, "Processor Outage Ended" }, + { STATUS_BUSY, "Busy" }, + { STATUS_BUSY_ENDED, "Busy Ended" }, + { STATUS_OUT_OF_SERVICE, "Out of Service" }, + { STATUS_IN_SERVICE, "In Service" }, + { 0, NULL } }; static void -dissect_m2pa_link_status_message(tvbuff_t *message_data_tvb, proto_tree *m2pa_tree) +dissect_m2pa_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree) { - guint32 status; guint16 filler_length; + if (check_col(pinfo->cinfo, COL_INFO)) + col_append_str(pinfo->cinfo, COL_INFO, "Link status "); if (m2pa_tree) { - status = tvb_get_ntohl (message_data_tvb, STATUS_OFFSET); filler_length = tvb_length(message_data_tvb) - STATUS_LENGTH; - proto_tree_add_uint(m2pa_tree, hf_m2pa_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, status); + proto_tree_add_item(m2pa_tree, hf_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, NETWORK_BYTE_ORDER); if (filler_length > 0) - proto_tree_add_bytes(m2pa_tree, hf_m2pa_filler, message_data_tvb, FILLER_OFFSET, filler_length, - tvb_get_ptr(message_data_tvb, FILLER_OFFSET, filler_length)); - }; - -} - -static void -dissect_m2pa_unknown_message(tvbuff_t *message_data_tvb, proto_tree *m2pa_tree) -{ - guint32 message_data_length; - - if (m2pa_tree) { - message_data_length = tvb_length(message_data_tvb); - proto_tree_add_bytes(m2pa_tree, hf_m2pa_unknown_data, message_data_tvb, 0, message_data_length, - tvb_get_ptr(message_data_tvb, 0, message_data_length)); + proto_tree_add_item(m2pa_tree, hf_filler, message_data_tvb, FILLER_OFFSET, filler_length, NETWORK_BYTE_ORDER); } } static void -dissect_m2pa_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree) -{ - guint8 version, spare, class, type; - guint16 bsn, fsn; - guint32 length; - - version = tvb_get_guint8(header_tvb, VERSION_OFFSET); - spare = tvb_get_guint8(header_tvb, SPARE_OFFSET); - class = tvb_get_guint8(header_tvb, CLASS_OFFSET); - type = tvb_get_guint8(header_tvb, TYPE_OFFSET); - length = tvb_get_ntohl(header_tvb, LENGTH_OFFSET); - bsn = tvb_get_ntohs(header_tvb, BSN_OFFSET); - fsn = tvb_get_ntohs(header_tvb, FSN_OFFSET); - - if (check_col(pinfo->cinfo, COL_INFO)) { - col_append_str(pinfo->cinfo, COL_INFO, val_to_str(type, m2pa_message_type_values, "Invalid")); - col_append_str(pinfo->cinfo, COL_INFO, " "); - }; - - if (m2pa_tree) { - proto_tree_add_uint(m2pa_tree, hf_m2pa_version, header_tvb, VERSION_OFFSET, VERSION_LENGTH, version); - proto_tree_add_uint(m2pa_tree, hf_m2pa_spare, header_tvb, SPARE_OFFSET, SPARE_LENGTH, spare); - proto_tree_add_uint(m2pa_tree, hf_m2pa_type, header_tvb, TYPE_OFFSET, TYPE_LENGTH, type); - proto_tree_add_uint(m2pa_tree, hf_m2pa_class, header_tvb, CLASS_OFFSET, CLASS_LENGTH, class); - proto_tree_add_uint(m2pa_tree, hf_m2pa_length, header_tvb, LENGTH_OFFSET, LENGTH_LENGTH, length); - proto_tree_add_uint(m2pa_tree, hf_m2pa_bsn, header_tvb, BSN_OFFSET, BSN_LENGTH, bsn); - proto_tree_add_uint(m2pa_tree, hf_m2pa_fsn, header_tvb, FSN_OFFSET, FSN_LENGTH, fsn); - }; +dissect_m2pa_unknown_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree) +{ + if (check_col(pinfo->cinfo, COL_INFO)) + col_append_str(pinfo->cinfo, COL_INFO, "Unknown "); + if (m2pa_tree) + proto_tree_add_item(m2pa_tree, hf_unknown_data, message_data_tvb, 0, tvb_length(message_data_tvb), NETWORK_BYTE_ORDER); } +#define MESSAGE_DATA_OFFSET (HEADER_OFFSET + HEADER_LENGTH) + static void dissect_m2pa_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) { @@ -246,11 +221,11 @@ dissect_m2pa_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item break; case MESSAGE_TYPE_LINK_STATUS: - dissect_m2pa_link_status_message(message_data_tvb, m2pa_tree); + dissect_m2pa_link_status_message(message_data_tvb, pinfo, m2pa_tree); break; default: - dissect_m2pa_unknown_message(message_data_tvb, m2pa_tree); + dissect_m2pa_unknown_message(message_data_tvb, pinfo, m2pa_tree); } } @@ -260,9 +235,8 @@ dissect_m2pa_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa tvbuff_t *header_tvb; header_tvb = tvb_new_subset(message_tvb, HEADER_OFFSET, HEADER_LENGTH, HEADER_LENGTH); - dissect_m2pa_header(header_tvb, pinfo, m2pa_tree); + dissect_m2pa_header(header_tvb, m2pa_tree); dissect_m2pa_message_data(message_tvb, pinfo, m2pa_item, m2pa_tree, tree); - } static void @@ -271,14 +245,10 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) proto_item *m2pa_item; proto_tree *m2pa_tree; - /* make entry in the Protocol column on summary display */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA"); - /* In the interest of speed, if "tree" is NULL, don't do any work not - necessary to generate protocol tree items. */ if (tree) { - /* create the m2pa protocol tree */ m2pa_item = proto_tree_add_item(tree, proto_m2pa, tvb, 0, -1, FALSE); m2pa_tree = proto_item_add_subtree(m2pa_item, ett_m2pa); } else { @@ -286,105 +256,47 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) m2pa_tree = NULL; }; - /* dissect the message */ dissect_m2pa_message(tvb, pinfo, m2pa_item, m2pa_tree, tree); } -/* Register the protocol with Ethereal */ void proto_register_m2pa(void) { - - /* Setup list of header fields */ static hf_register_info hf[] = { - { &hf_m2pa_version, - { "Version", "m2pa.version", - FT_UINT8, BASE_DEC, VALS(m2pa_protocol_version_values), 0x0, - "", HFILL} - }, - { &hf_m2pa_spare, - { "Spare", "m2pa.spare", - FT_UINT8, BASE_HEX, NULL, 0x0, - "", HFILL} - }, - { &hf_m2pa_type, - { "Message Type", "m2pa.type", - FT_UINT8, BASE_DEC, VALS(m2pa_message_type_values), 0x0, - "", HFILL} - }, - { &hf_m2pa_class, - { "Message Class", "m2pa.class", - FT_UINT8, BASE_DEC, VALS(m2pa_message_class_values), 0x0, - "", HFILL} - }, - { &hf_m2pa_length, - { "Message length", "m2pa.length", - FT_UINT32, BASE_DEC, NULL, 0x0, - "", HFILL} - }, - { &hf_m2pa_bsn, - { "BSN", "m2pa.bsn", - FT_UINT16, BASE_DEC, NULL, 0x0, - "", HFILL} - }, - { &hf_m2pa_fsn, - { "FSN", "m2pa.fsn", - FT_UINT16, BASE_DEC, NULL, 0x0, - "", HFILL} - }, - { &hf_m2pa_li_spare, - { "Spare", "m2pa.li_spare", - FT_UINT8, BASE_HEX, NULL, LI_SPARE_MASK, - "", HFILL} - }, - { &hf_m2pa_li_prio, - { "Priority", "m2pa.li_priority", - FT_UINT8, BASE_HEX, NULL, LI_PRIORITY_MASK, - "", HFILL} - }, - { &hf_m2pa_status, - { "Link Status Status", "m2pa.status", - FT_UINT32, BASE_DEC, VALS(m2pa_link_status_values), 0x0, - "", HFILL} - }, - { &hf_m2pa_filler, - { "Filler", "m2pa.filler", - FT_BYTES, BASE_NONE, NULL, 0x0, - "", HFILL } - }, - { &hf_m2pa_unknown_data, - { "Unknown Data", "m2pa.unknown_data", - FT_BYTES, BASE_NONE, NULL, 0x0, - "", HFILL } - } + { &hf_version, { "Version", "m2pa.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL} }, + { &hf_spare, { "Spare", "m2pa.spare", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL} }, + { &hf_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, "", HFILL} }, + { &hf_class, { "Message Class", "m2pa.class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL} }, + { &hf_length, { "Message length", "m2pa.length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL} }, + { &hf_unused, { "Unused", "m2pa.unused", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL} }, + { &hf_bsn, { "BSN", "m2pa.bsn", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL} }, + { &hf_fsn, { "FSN", "m2pa.fsn", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL} }, + { &hf_li_spare, { "Spare", "m2pa.li_spare", FT_UINT8, BASE_HEX, NULL, LI_SPARE_MASK, "", HFILL} }, + { &hf_li_prio, { "Priority", "m2pa.li_priority", FT_UINT8, BASE_HEX, NULL, LI_PRIORITY_MASK, "", HFILL} }, + { &hf_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(link_status_values), 0x0, "", HFILL} }, + { &hf_filler, { "Filler", "m2pa.filler", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_unknown_data, { "Unknown Data", "m2pa.unknown_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } } }; - /* Setup protocol subtree array */ static gint *ett[] = { &ett_m2pa, &ett_m2pa_li }; - /* Register the protocol name and description */ - proto_m2pa = proto_register_protocol("MTP2 Peer Adaptation Layer", "M2PA", "m2pa"); + proto_m2pa = proto_register_protocol("MTP2 Peer Adaptation Layer (draft-ietf-sigtran-m2pa-05.txt)", "M2PA", "m2pa"); - /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_m2pa, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); - -}; +} void proto_reg_handoff_m2pa(void) { dissector_handle_t m2pa_handle; - /* - * Get a handle for the MTP3 dissector. - */ - mtp3_handle = find_dissector("mtp3"); - - m2pa_handle = create_dissector_handle(dissect_m2pa, proto_m2pa); + mtp3_handle = find_dissector("mtp3"); + mtp3_proto_id = proto_get_id_by_filter_name("mtp3"); + m2pa_handle = create_dissector_handle(dissect_m2pa, proto_m2pa); dissector_add("sctp.ppi", M2PA_PAYLOAD_PROTOCOL_ID, m2pa_handle); - dissector_add("sctp.port", SCTP_PORT_M2PA, m2pa_handle); -} + dissector_add("sctp.port", SCTP_PORT_M2PA, m2pa_handle); +}
\ No newline at end of file |