--- /dev/null
+/* packet-fefd.c
+ * Routines for the disassembly of the "Far End Failure Detection"
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from packet-udld.c
+ *
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+#include <epan/packet.h>
+#include <epan/strutil.h>
+
+#include <epan/oui.h>
+#include <epan/nlpid.h>
+
+
+
+/* Offsets in TLV structure. */
+#define TLV_TYPE 0
+#define TLV_LENGTH 2
+
+static int proto_fefd = -1;
+static int hf_fefd_version = -1;
+static int hf_fefd_opcode = -1;
+static int hf_fefd_flags = -1;
+static int hf_fefd_flags_rt = -1;
+static int hf_fefd_flags_rsy = -1;
+static int hf_fefd_checksum = -1;
+static int hf_fefd_tlvtype = -1;
+static int hf_fefd_tlvlength = -1;
+
+static gint ett_fefd = -1;
+static gint ett_fefd_flags = -1;
+static gint ett_fefd_tlv = -1;
+
+static dissector_handle_t data_handle;
+
+#define TYPE_DEVICE_ID 0x0001
+#define TYPE_PORT_ID 0x0002
+#define TYPE_ECHO 0x0003
+#define TYPE_MESSAGE_INTERVAL 0x0004
+#define TYPE_TIMEOUT_INTERVAL 0x0005
+#define TYPE_DEVICE_NAME 0x0006
+#define TYPE_SEQUENCE_NUMBER 0x0007
+
+
+static const value_string type_vals[] = {
+ { TYPE_DEVICE_ID, "Device ID" },
+ { TYPE_PORT_ID, "Port ID" },
+ { TYPE_ECHO, "Echo" },
+ { TYPE_MESSAGE_INTERVAL, "Message interval" },
+ { TYPE_TIMEOUT_INTERVAL, "Timeout interval" },
+ { TYPE_DEVICE_NAME, "Device name" },
+ { TYPE_SEQUENCE_NUMBER, "Sequence number" },
+ { 0, NULL }
+};
+
+#define OPCODE_RESERVED 0x00
+#define OPCODE_PROBE 0x01
+#define OPCODE_ECHO 0x02
+#define OPCODE_FLUSH 0x03
+
+static const value_string opcode_vals[] = {
+ { OPCODE_RESERVED, "Reserved" },
+ { OPCODE_PROBE, "Probe" },
+ { OPCODE_ECHO, "Echo" },
+ { OPCODE_FLUSH, "Flush" },
+ { 0, NULL }
+};
+
+static void
+dissect_fefd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *ti;
+ proto_tree *fefd_tree = NULL;
+ int offset = 0;
+ guint16 type;
+ guint16 length;
+ proto_item *tlvi;
+ proto_tree *tlv_tree;
+ int real_length;
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "FEFD");
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ if (tree) {
+ proto_item *flags_ti;
+ proto_tree *flags_tree;
+
+ ti = proto_tree_add_item(tree, proto_fefd, tvb, offset, -1, FALSE);
+ fefd_tree = proto_item_add_subtree(ti, ett_fefd);
+
+ /* FEFD header */
+ proto_tree_add_item(fefd_tree, hf_fefd_version, tvb, offset, 1, FALSE);
+ proto_tree_add_item(fefd_tree, hf_fefd_opcode, tvb, offset, 1, FALSE);
+ offset += 1;
+ flags_ti = proto_tree_add_item(fefd_tree, hf_fefd_flags, tvb, offset, 1, FALSE);
+ flags_tree = proto_item_add_subtree(ti, ett_fefd_flags);
+ proto_tree_add_item(flags_tree, hf_fefd_flags_rt, tvb, offset, 1, FALSE);
+ proto_tree_add_item(flags_tree, hf_fefd_flags_rsy, tvb, offset, 1, FALSE);
+ offset += 1;
+ proto_tree_add_item(fefd_tree, hf_fefd_checksum, tvb, offset, 2, FALSE);
+ offset += 2;
+ } else {
+ offset += 4; /* The version/opcode/flags/checksum fields from above */
+ }
+
+ while (tvb_reported_length_remaining(tvb, offset) != 0) {
+ type = tvb_get_ntohs(tvb, offset + TLV_TYPE);
+ length = tvb_get_ntohs(tvb, offset + TLV_LENGTH);
+ if (length < 4) {
+ if (tree) {
+ tlvi = proto_tree_add_text(fefd_tree, tvb, offset, 4,
+ "TLV with invalid length %u (< 4)",
+ length);
+ tlv_tree = proto_item_add_subtree(tlvi, ett_fefd_tlv);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvtype, tvb,
+ offset + TLV_TYPE, 2, type);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvlength, tvb,
+ offset + TLV_LENGTH, 2, length);
+ }
+ offset += 4;
+ break;
+ }
+
+ switch (type) {
+
+ case TYPE_DEVICE_ID:
+ /* Device ID */
+
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
+ "Device ID: %s",
+ tvb_format_stringzpad(tvb, offset + 4,
+ length - 4));
+
+ if (tree) {
+ tlvi = proto_tree_add_text(fefd_tree, tvb, offset,
+ length, "Device ID: %s",
+ tvb_format_stringzpad(tvb, offset + 4, length - 4));
+ tlv_tree = proto_item_add_subtree(tlvi, ett_fefd_tlv);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvtype, tvb,
+ offset + TLV_TYPE, 2, type);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvlength, tvb,
+ offset + TLV_LENGTH, 2, length);
+ proto_tree_add_text(tlv_tree, tvb, offset + 4,
+ length - 4, "Device ID: %s",
+ tvb_format_stringzpad(tvb, offset + 4, length - 4));
+ }
+ offset += length;
+ break;
+
+ case TYPE_PORT_ID:
+ real_length = length;
+ if (tvb_get_guint8(tvb, offset + real_length) != 0x00) {
+ /* The length in the TLV doesn't appear to be the
+ length of the TLV, as the byte just past it
+ isn't the first byte of a 2-byte big-endian
+ small integer; make the length of the TLV the length
+ in the TLV, plus 4 bytes for the TLV type and length,
+ minus 1 because that's what makes one capture work. */
+ real_length = length + 3;
+ }
+
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
+ "Port ID: %s",
+ tvb_format_stringzpad(tvb, offset + 4, real_length - 4));
+
+ if (tree) {
+ tlvi = proto_tree_add_text(fefd_tree, tvb, offset,
+ real_length, "Port ID: %s",
+ tvb_format_text(tvb, offset + 4, real_length - 4));
+ tlv_tree = proto_item_add_subtree(tlvi, ett_fefd_tlv);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvtype, tvb,
+ offset + TLV_TYPE, 2, type);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvlength, tvb,
+ offset + TLV_LENGTH, 2, length);
+ proto_tree_add_text(tlv_tree, tvb, offset + 4,
+ real_length - 4,
+ "Sent through Interface: %s",
+ tvb_format_text(tvb, offset + 4, real_length - 4));
+ }
+ offset += real_length;
+ break;
+
+ case TYPE_ECHO:
+ case TYPE_MESSAGE_INTERVAL:
+ case TYPE_TIMEOUT_INTERVAL:
+ case TYPE_DEVICE_NAME:
+ case TYPE_SEQUENCE_NUMBER:
+ default:
+ tlvi = proto_tree_add_text(fefd_tree, tvb, offset,
+ length, "Type: %s, length: %u",
+ val_to_str(type, type_vals, "Unknown (0x%04x)"),
+ length);
+ tlv_tree = proto_item_add_subtree(tlvi, ett_fefd_tlv);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvtype, tvb,
+ offset + TLV_TYPE, 2, type);
+ proto_tree_add_uint(tlv_tree, hf_fefd_tlvlength, tvb,
+ offset + TLV_LENGTH, 2, length);
+ if (length > 4) {
+ proto_tree_add_text(tlv_tree, tvb, offset + 4,
+ length - 4, "Data");
+ } else {
+ return;
+ }
+ offset += length;
+ }
+ }
+
+ call_dissector(data_handle, tvb_new_subset(tvb, offset, -1, -1), pinfo, fefd_tree);
+}
+
+void
+proto_register_fefd(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_fefd_version,
+ { "Version", "fefd.version", FT_UINT8, BASE_DEC, NULL, 0xE0,
+ NULL, HFILL }},
+
+ { &hf_fefd_opcode,
+ { "Opcode", "fefd.opcode", FT_UINT8, BASE_DEC, VALS(opcode_vals), 0x1F,
+ NULL, HFILL }},
+
+ { &hf_fefd_flags,
+ { "Flags", "fefd.flags", FT_UINT8, BASE_HEX, NULL, 0x0,
+ NULL, HFILL }},
+
+ { &hf_fefd_flags_rt,
+ { "Recommended timeout", "fefd.flags.rt", FT_BOOLEAN, 8, NULL, 0x80,
+ NULL, HFILL }},
+
+ { &hf_fefd_flags_rsy,
+ { "ReSynch", "fefd.flags.rsy", FT_BOOLEAN, 8, NULL, 0x40,
+ NULL, HFILL }},
+
+ { &hf_fefd_checksum,
+ { "Checksum", "fefd.checksum", FT_UINT16, BASE_HEX, NULL, 0x0,
+ NULL, HFILL }},
+
+ { &hf_fefd_tlvtype,
+ { "Type", "fefd.tlv.type", FT_UINT16, BASE_HEX, VALS(type_vals), 0x0,
+ NULL, HFILL }},
+
+ { &hf_fefd_tlvlength,
+ { "Length", "fefd.tlv.len", FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }}
+ };
+ static gint *ett[] = {
+ &ett_fefd,
+ &ett_fefd_flags,
+ &ett_fefd_tlv
+ };
+
+ proto_fefd = proto_register_protocol("Far End Failure Detection", "FEFD", "fefd");
+ proto_register_field_array(proto_fefd, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_fefd(void)
+{
+ dissector_handle_t fefd_handle;
+
+ data_handle = find_dissector("data");
+ fefd_handle = create_dissector_handle(dissect_fefd, proto_fefd);
+ dissector_add("llc.force10_pid", 0x0111, fefd_handle);
+}
{ OUI_CISCO, "Cisco" },
{ OUI_NORTEL, "Nortel Networks SONMP" },
{ OUI_CISCO_90, "Cisco IOS 9.0 Compatible" },
+ { OUI_FORCE10, "Force10 Networks" },
{ OUI_ERICSSON, "Ericsson Group" },
+ { OUI_CATENA, "Catena Networks" },
{ OUI_SONY_ERICSSON, "Sony Ericsson Mobile Communications AB" },
{ OUI_SONY_ERICSSON_2, "Sony Ericsson Mobile Communications AB" },
{ OUI_PROFINET, "PROFIBUS Nutzerorganisation e.V." },
{ OUI_SONY_ERICSSON_3, "Sony Ericsson Mobile Communications AB" },
- { OUI_CATENA, "Catena Networks" },
{ OUI_CIMETRICS, "Cimetrics" },
{ OUI_IEEE_802_3, "IEEE 802.3" },
{ OUI_MEDIA_ENDPOINT, "Media (TIA TR-41 Committee)" },
{ OUI_SONY_ERICSSON_6, "Sony Ericsson Mobile Communications AB" },
{ OUI_SONY_ERICSSON_7, "Sony Ericsson Mobile Communications AB" },
{ OUI_SONY_ERICSSON_8, "Sony Ericsson Mobile Communications AB" },
+ { OUI_TURBOCELL, "Karlnet (Turbocell)" },
{ OUI_CISCOWL, "Cisco Wireless (Aironet) L2" },
- { OUI_ERICSSON_2, "Ericsson Group" },
+ { OUI_MARVELL, "Marvell Semiconductor" },
+ { OUI_ERICSSON_2, "Ericsson Group" },
{ OUI_BRIDGED, "Frame Relay or ATM bridged frames" },
+ { OUI_IEEE_802_1, "IEEE 802.1 Committee" },
{ OUI_ATM_FORUM, "ATM Forum" },
{ OUI_EXTREME, "Extreme Networks" },
/* RFC 2427, RFC 2684 */
{ OUI_SIEMENS, "Siemens AG" },
{ OUI_APPLE_ATALK, "Apple (AppleTalk)" },
{ OUI_HP, "Hewlett-Packard" },
- { OUI_TURBOCELL, "Karlnet (Turbocell)" },
{ 0, NULL }
};
git.samba.org / obnox / wireshark / wip.git / commitdiff