summaryrefslogtreecommitdiffstats
path: root/epan/dissectors/packet-itdm.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-itdm.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-itdm.c')
-rw-r--r--epan/dissectors/packet-itdm.c477
1 files changed, 477 insertions, 0 deletions
diff --git a/epan/dissectors/packet-itdm.c b/epan/dissectors/packet-itdm.c
new file mode 100644
index 00000000..96375874
--- /dev/null
+++ b/epan/dissectors/packet-itdm.c
@@ -0,0 +1,477 @@
+/* packet-itdm.c
+ * Routines for I-TDM (Internal TDM) dissection
+ * Compliant to PICMG SFP.0 and SFP.1 March 24, 2005
+ *
+ * Copyright 2008, Dan Gora <dg [AT] adax.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/prefs.h>
+
+void proto_register_itdm(void);
+void proto_reg_handoff_itdm(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_itdm = -1;
+static int hf_itdm_timestamp = -1;
+static int hf_itdm_seqnum = -1;
+static int hf_itdm_sop_eop = -1;
+static int hf_itdm_last_pack = -1;
+static int hf_itdm_pktlen = -1;
+static int hf_itdm_chksum = -1;
+static int hf_itdm_uid = -1;
+static int hf_itdm_ack = -1;
+static int hf_itdm_act = -1;
+static int hf_itdm_chcmd = -1;
+static int hf_itdm_chid = -1;
+static int hf_itdm_chloc1 = -1;
+static int hf_itdm_chloc2 = -1;
+static int hf_itdm_pktrate = -1;
+static int hf_itdm_cxnsize = -1;
+
+/* I-TDM control protocol fields */
+static int hf_itdm_ctl_transid = -1;
+static int hf_itdm_ctl_command = -1;
+static int hf_itdm_ctl_flowid = -1;
+static int hf_itdm_ctl_dm = -1;
+static int hf_itdm_ctl_emts = -1;
+static int hf_itdm_ctl_pktrate = -1;
+static int hf_itdm_ctl_ptid = -1;
+static int hf_itdm_ctl_cksum = -1;
+
+
+/* Initialize the subtree pointers */
+static gint ett_itdm = -1;
+static gint ett_itdm_ctl = -1;
+
+static dissector_handle_t itdm_handle;
+
+/* ZZZZ some magic number.. */
+static guint gbl_ItdmMPLSLabel = 0x99887;
+static guint gbl_ItdmCTLFlowNo = 0;
+
+/* I-TDM 125usec mode commands for data flows */
+#define ITDM_CMD_NEW_CHAN 1
+#define ITDM_CMD_CLOSE_CHAN 2
+#define ITDM_CMD_RELOC_CHAN 3
+#define ITDM_CMD_CYCLIC_REAF 4
+#define ITDM_CMD_PACKET_RATE 5
+
+#define ITDM_FLOWID_OFFSET 7
+#define ITDM_CHCMD_OFFSET 10
+#define ITDM_CHANID_OFFSET 11
+#define ITDM_CHLOC1_OFFSET 14
+#define ITDM_CHLOC2_OFFSET 16
+
+/* I-TDM commands for I-TDM control flows */
+#define ITDM_CTL_TRANSID_OFFSET 10
+#define ITDM_CTL_CMD_OFFSET 14
+#define ITDM_CTL_FLOWID_OFFSET 15
+#define ITDM_CTL_ITDM_MODE_OFFSET 18
+#define ITDM_CTL_EMTS_OFFSET 20
+#define ITDM_CTL_PKTRATE_OFFSET 22
+#define ITDM_CTL_PAIRED_TRANSID_OFFSET 26
+#define ITDM_CTL_CRC_OFFSET 30
+
+#define ITDM_CTL_CMD_AFI_REQ 1
+
+static const value_string sop_eop_vals[] = {
+ { 0x0, "Middle of Packet" },
+ { 0x1, "End of Packet" },
+ { 0x2, "Start of Packet" },
+ { 0x3, "Complete Packet" },
+ { 0, NULL }
+};
+
+static const true_false_string ack_tfs = {
+ "Acknowledging a command from remote node",
+ "Normal Command"
+};
+
+static const value_string chcmd_vals[] = {
+ { 0x0, "Reserved" },
+ { 0x1, "New Channel ID" },
+ { 0x2, "Close Channel ID" },
+ { 0x3, "Relocate Channel ID" },
+ { 0x4, "Cyclic Reaffirmation" },
+ { 0x5, "Packet Rate Integrity Check" },
+ { 0x6, "Reserved" },
+ { 0x7, "Reserved" },
+ { 0x8, "Reserved" },
+ { 0x9, "Reserved" },
+ { 0xa, "Reserved" },
+ { 0xb, "Reserved" },
+ { 0xc, "Reserved" },
+ { 0xd, "Reserved" },
+ { 0xe, "Reserved" },
+ { 0xf, "Reserved" },
+ { 0, NULL }
+};
+
+static const value_string itdm_ctl_command_vals[] = {
+ { 0x0, "Not Used" },
+ { 0x1, "AFI_REQ: Alloc Flow ID Req" },
+ { 0x2, "AFI_RSP: Alloc Flow ID Rsp - Req Accepted." },
+ { 0x3, "DFI_REQ: Dealloc Flow ID Req" },
+ { 0x4, "DFI_RSP: Dealloc Flow ID Rsp - Req Accepted." },
+
+ { 0x10, "AFI_RSP: Reject: Data Mode Field value Not Supported." },
+ { 0x11, "AFI_RSP: Reject: Explicit Multi-timeslot value Not Supported." },
+ { 0x12, "AFI_RSP: Reject: Packet Rate value Not Supported." },
+ { 0x13, "AFI_RSP: Reject: Checksum Invalid." },
+ { 0x14, "AFI_RSP: Reject: No more flows available." },
+
+ { 0x20, "DFI_RSP: Reject: Data Mode Field value does not match Flow ID." },
+ { 0x21, "DFI_RSP: Reject: Explicit Multi-timeslots value does not match." },
+ { 0x22, "DFI_RSP: Reject: Packet Rate value does not match." },
+ { 0x23, "DFI_RSP: Reject: Checksum Invalid." },
+ { 0x24, "DFI_RSP: Reject: Flow ID invalid (out of range)." },
+ { 0x25, "DFI_RSP: Reject: Flow ID not currently allocated." },
+ { 0x26, "DFI_RSP: Reject: Other Flow ID in pair has active connections." },
+ { 0, NULL }
+};
+
+static const value_string itdm_ctl_data_mode_vals[] = {
+ { 0, "Not Used." },
+ { 1, "I-TDM 1ms Data Mode." },
+ { 2, "I-TDM 125usec Data Mode." },
+ { 3, "I-TDM Explicit Multi-timeslot Data Mode." },
+ { 4, "I-TDM CAS Signaling Data Mode." },
+ { 0, NULL }
+};
+
+static const value_string itdm_ctl_pktrate_vals[] = {
+ { 0x447A0000, "I-TDM 1ms Data Mode." },
+ { 0x45FA0000, "I-TDM 125usec/EMTS Data Mode." },
+ { 0x43A6AAAB, "I-TDM T1 CAS Mode." },
+ { 0x43FA0000, "I-TDM E1 CAS Mode." },
+ { 0, NULL }
+};
+
+static void
+dissect_itdm_125usec(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ tvbuff_t *next_tvb;
+ proto_item *itdm_item = NULL;
+ proto_tree *itdm_tree = NULL;
+ int offset;
+ guint32 flowid;
+ guint32 chanid;
+ guint16 chloc1;
+ guint16 chloc2;
+ guint8 chcmd;
+ guint8 actbit;
+ guint8 ackbit;
+
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "ITDM");
+
+ flowid = tvb_get_ntoh24(tvb, ITDM_FLOWID_OFFSET);
+ chanid = tvb_get_ntoh24(tvb, ITDM_CHANID_OFFSET);
+ chcmd = tvb_get_guint8(tvb, ITDM_CHCMD_OFFSET);
+ chloc1 = tvb_get_ntohs(tvb, ITDM_CHLOC1_OFFSET);
+ actbit = (chcmd & 0x10) ? 1 : 0;
+ ackbit = (chcmd & 0x20) ? 1 : 0;
+ chcmd = chcmd & 0x0f;
+
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "Flow %d Chan %d ACT %d ACK %d %s",
+ flowid, chanid, actbit, ackbit,
+ val_to_str_const(chcmd, chcmd_vals, "Reserved"));
+ if (chcmd == ITDM_CMD_NEW_CHAN ||
+ chcmd == ITDM_CMD_CLOSE_CHAN ||
+ chcmd == ITDM_CMD_CYCLIC_REAF)
+ {
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " Loc1 %d", chloc1);
+ }
+ else if (chcmd == ITDM_CMD_RELOC_CHAN)
+ {
+ chloc2 = tvb_get_ntohs(tvb, ITDM_CHLOC2_OFFSET);
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " Loc1 %d Loc2 %d", chloc1, chloc2);
+ }
+
+ offset = 0;
+
+ if (tree)
+ {
+ itdm_item = proto_tree_add_item(tree, proto_itdm, tvb, 0, -1, ENC_NA);
+ itdm_tree = proto_item_add_subtree(itdm_item, ett_itdm);
+
+ proto_tree_add_item(itdm_tree, hf_itdm_timestamp, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(itdm_tree, hf_itdm_seqnum, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(itdm_tree, hf_itdm_sop_eop, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_tree, hf_itdm_last_pack, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_tree, hf_itdm_pktlen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_checksum(itdm_tree, tvb, offset, hf_itdm_chksum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
+ offset += 2;
+ proto_tree_add_item(itdm_tree, hf_itdm_uid, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ proto_tree_add_item(itdm_tree, hf_itdm_ack, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_tree, hf_itdm_act, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_tree, hf_itdm_chcmd, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(itdm_tree, hf_itdm_chid, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ if (chcmd == ITDM_CMD_PACKET_RATE)
+ {
+ proto_tree_add_item(itdm_tree, hf_itdm_pktrate, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+ else
+ {
+ proto_tree_add_item(itdm_tree, hf_itdm_chloc1, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ if (chcmd == ITDM_CMD_CYCLIC_REAF ||
+ chcmd == ITDM_CMD_NEW_CHAN ||
+ chcmd == ITDM_CMD_CLOSE_CHAN)
+ {
+ proto_tree_add_item(itdm_tree, hf_itdm_cxnsize, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ }
+ else
+ {
+ proto_tree_add_item(itdm_tree, hf_itdm_chloc2, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ }
+ }
+ }
+
+ next_tvb = tvb_new_subset_remaining(tvb, offset);
+ call_data_dissector(next_tvb, pinfo, tree);
+}
+
+static void
+dissect_itdm_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ tvbuff_t *next_tvb;
+ proto_item *itdm_ctl_item = NULL;
+ proto_tree *itdm_ctl_tree = NULL;
+ int offset;
+ guint32 flowid;
+ guint8 command;
+ guint32 trans_id;
+ guint32 paired_trans_id;
+ guint32 allocd_flowid;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "ITDM-Control");
+
+ flowid = tvb_get_ntoh24(tvb, ITDM_FLOWID_OFFSET);
+ command = tvb_get_guint8(tvb, ITDM_CTL_CMD_OFFSET);
+ allocd_flowid = tvb_get_ntoh24(tvb, ITDM_CTL_FLOWID_OFFSET);
+ trans_id = tvb_get_ntohl(tvb, ITDM_CTL_TRANSID_OFFSET);
+ paired_trans_id = tvb_get_ntohl(tvb, ITDM_CTL_PAIRED_TRANSID_OFFSET);
+
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "Flow %d Command %s ",
+ flowid, val_to_str_const(command, itdm_ctl_command_vals, "Reserved"));
+
+ if (command != ITDM_CTL_CMD_AFI_REQ )
+ {
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " Alloc'd FlowID %d", allocd_flowid);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, " TransID 0x%x ", trans_id);
+
+ if (command != ITDM_CTL_CMD_AFI_REQ )
+ {
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " Paired TransID 0x%x", paired_trans_id);
+ }
+
+ offset = 0;
+
+ if (tree)
+ {
+ itdm_ctl_item = proto_tree_add_item(tree, proto_itdm, tvb, 0, -1, ENC_NA);
+ itdm_ctl_tree = proto_item_add_subtree(itdm_ctl_item, ett_itdm_ctl);
+
+ /* These eventually should go into a SFP.0 dissector... */
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_timestamp, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_seqnum, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_sop_eop, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_last_pack, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_pktlen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_checksum(itdm_ctl_tree, tvb, offset, hf_itdm_chksum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
+ offset += 2;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_uid, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_transid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_command, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ if (command != ITDM_CTL_CMD_AFI_REQ) {
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_flowid, tvb, offset, 3, ENC_BIG_ENDIAN);
+ }
+ offset += 3;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_dm, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ /* rsvd.. */
+ offset += 1;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_emts, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_pktrate, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ if (command != ITDM_CTL_CMD_AFI_REQ) {
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_ptid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ }
+ offset += 4;
+ /* rsvd.. */
+ offset += 2;
+ proto_tree_add_item(itdm_ctl_tree, hf_itdm_ctl_cksum, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ }
+
+ next_tvb = tvb_new_subset_remaining(tvb, offset);
+ call_data_dissector(next_tvb, pinfo, tree);
+}
+
+static int
+dissect_itdm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ guint32 flowid;
+
+ /* ZZZ for now, 125 usec mode and I-TDM control protocol
+ * need to add 1ms mode */
+ if (tvb_captured_length(tvb) < 18)
+ return 0;
+
+ /* See if this packet is a data flow or the I-TDM control flow. */
+ flowid = tvb_get_ntoh24(tvb, ITDM_FLOWID_OFFSET);
+
+ /* gbl_ItdmCTLFlowNo is the configurable flow number where
+ * the control protocol resides... Usually 0.
+ */
+ if (flowid == gbl_ItdmCTLFlowNo)
+ dissect_itdm_control(tvb, pinfo, tree);
+ else
+ dissect_itdm_125usec(tvb, pinfo, tree);
+ return tvb_captured_length(tvb);
+}
+
+void
+proto_register_itdm(void)
+{
+
+ static hf_register_info hf[] = {
+ { &hf_itdm_timestamp,{ "Timestamp", "itdm.timestamp",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_seqnum,{ "Sequence Number", "itdm.seqnum",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_sop_eop,{ "Start/End of Packet", "itdm.sop_eop",
+ FT_UINT8, BASE_DEC, VALS(sop_eop_vals), 0xc0, NULL, HFILL } },
+ { &hf_itdm_last_pack,{ "Last Packet", "itdm.last_pack",
+ FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL } },
+ { &hf_itdm_pktlen,{ "Packet Length", "itdm.pktlen",
+ FT_UINT16, BASE_DEC, NULL, 0x07ff, NULL, HFILL } },
+ { &hf_itdm_chksum,{ "Checksum", "itdm.chksum",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_uid,{ "Flow ID", "itdm.uid",
+ FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_ack,{ "ACK", "itdm.ack",
+ FT_BOOLEAN, 8, TFS(&ack_tfs), 0x20, NULL, HFILL } },
+ { &hf_itdm_act,{ "Activate", "itdm.act",
+ FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL } },
+ { &hf_itdm_chcmd,{ "Channel Command", "itdm.chcmd",
+ FT_UINT8, BASE_DEC, VALS(chcmd_vals), 0x0f, NULL, HFILL } },
+ { &hf_itdm_chid,{ "Channel ID", "itdm.chid",
+ FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_chloc1,{ "Channel Location 1", "itdm.chloc1",
+ FT_UINT16, BASE_DEC, NULL, 0x01ff, NULL, HFILL } },
+ { &hf_itdm_chloc2,{ "Channel Location 2", "itdm.chloc2",
+ FT_UINT16, BASE_DEC, NULL, 0x01ff, NULL, HFILL } },
+ { &hf_itdm_pktrate,{ "IEEE 754 Packet Rate", "itdm.pktrate",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_cxnsize, { "Connection Size", "itdm.cxnsize",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+
+ { &hf_itdm_ctl_transid, { "Transaction ID", "itdm.ctl_transid",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_command, { "Control Command", "itdm.ctl_cmd",
+ FT_UINT8, BASE_DEC, VALS(itdm_ctl_command_vals), 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_flowid, { "Allocated Flow ID", "itdm.ctl_flowid",
+ FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_dm, { "I-TDM Data Mode", "itdm.ctl_dm",
+ FT_UINT8, BASE_DEC, VALS(itdm_ctl_data_mode_vals), 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_emts, { "I-TDM Explicit Multi-timeslot Size", "itdm.ctlemts",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_pktrate, { "I-TDM Packet Rate", "itdm.ctl_pktrate",
+ FT_UINT32, BASE_HEX, VALS(itdm_ctl_pktrate_vals), 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_ptid, { "Paired Transaction ID", "itdm.ctl_ptid",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },
+ { &hf_itdm_ctl_cksum, { "ITDM Control Message Checksum", "itdm.ctl_cksum",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }
+ };
+
+ static gint *ett[] = {
+ &ett_itdm,
+ &ett_itdm_ctl
+ };
+
+ module_t *itdm_module;
+
+ proto_itdm = proto_register_protocol("Internal TDM", "ITDM", "itdm");
+ itdm_handle = register_dissector("itdm", dissect_itdm, proto_itdm);
+
+ proto_register_field_array(proto_itdm, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ itdm_module = prefs_register_protocol(proto_itdm, proto_reg_handoff_itdm);
+
+ prefs_register_uint_preference(itdm_module, "mpls_label",
+ "ITDM MPLS label (Flow Bundle ID in hex)",
+ "The MPLS label (aka Flow Bundle ID) used by ITDM traffic.",
+ 16, &gbl_ItdmMPLSLabel);
+
+ prefs_register_uint_preference(itdm_module, "ctl_flowno",
+ "I-TDM Control Protocol Flow Number",
+ "Flow Number used by I-TDM Control Protocol traffic.",
+ 10, &gbl_ItdmCTLFlowNo);
+}
+
+void
+proto_reg_handoff_itdm(void)
+{
+ static gboolean Initialized=FALSE;
+ static guint ItdmMPLSLabel;
+
+ if (!Initialized) {
+ Initialized=TRUE;
+ } else {
+ dissector_delete_uint("mpls.label", ItdmMPLSLabel, itdm_handle);
+ }
+
+ ItdmMPLSLabel = gbl_ItdmMPLSLabel;
+ dissector_add_uint("mpls.label", gbl_ItdmMPLSLabel, itdm_handle);
+}
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */