diff options
| author | Michael Mann <mmann78@netscape.net> | 2013-12-06 04:33:58 +0000 |
|---|---|---|
| committer | Michael Mann <mmann78@netscape.net> | 2013-12-06 04:33:58 +0000 |
| commit | 643f9efce238971298e1979d9433dd5a88d863a3 (patch) | |
| tree | 982e845d42b8b5e337708d8e72a1dbbeec4637c3 /epan/dissectors/packet-devicenet.c | |
| parent | b2be51c76d4b79c5350f40643f6c861b75b2ad13 (diff) | |
Add DeviceNet and J1939 dissectors. Both run on top of CAN (not necessarily always SocketCAN, but it did provide a good test environment)
svn path=/trunk/; revision=53802
Diffstat (limited to 'epan/dissectors/packet-devicenet.c')
| -rw-r--r-- | epan/dissectors/packet-devicenet.c | 1033 |
1 files changed, 1033 insertions, 0 deletions
diff --git a/epan/dissectors/packet-devicenet.c b/epan/dissectors/packet-devicenet.c new file mode 100644 index 0000000000..97c5b03019 --- /dev/null +++ b/epan/dissectors/packet-devicenet.c @@ -0,0 +1,1033 @@ +/* packet-devicenet.c
+ * Routines for dissection of DeviceNet
+ *
+ * Michael Mann
+ * Erik Ivarsson <eriki@student.chalmers.se>
+ * Hans-Jorgen Gunnarsson <hag@hms.se>
+ * Copyright 2012
+ *
+ * $Id: packet-devicenet.c 39503 2011-10-21 02:10:19Z wmeier $
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * 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.
+ */
+#include "config.h"
+
+#include <glib.h>
+
+#include <epan/packet.h>
+#include <epan/uat.h>
+#include <epan/prefs.h>
+#include <epan/expert.h>
+#include <epan/reassemble.h>
+#include "packet-cip.h"
+
+#define DEVICENET_CANID_MASK 0x7FF
+#define MESSAGE_GROUP_1_ID 0x3FF
+#define MESSAGE_GROUP_1_MSG_MASK 0x3C0
+#define MESSAGE_GROUP_1_MAC_ID_MASK 0x03F
+
+#define MESSAGE_GROUP_2_ID 0x5FF
+#define MESSAGE_GROUP_2_MSG_MASK 0x007
+#define MESSAGE_GROUP_2_MAC_ID_MASK 0x1F8
+
+#define MESSAGE_GROUP_3_ID 0x7BF
+#define MESSAGE_GROUP_3_MSG_MASK 0x1C0
+#define MESSAGE_GROUP_3_MAC_ID_MASK 0x03F
+#define MESSAGE_GROUP_3_FRAG_MASK 0x80
+#define MESSAGE_GROUP_3_XID_MASK 0x40
+
+#define MESSAGE_GROUP_4_ID 0x7EF
+#define MESSAGE_GROUP_4_MSG_MASK 0x03F
+
+static int proto_devicenet = -1;
+
+static int hf_devicenet_can_id = -1;
+static int hf_devicenet_src_mac_id = -1;
+static int hf_devicenet_data = -1;
+static int hf_devicenet_grp_msg1_id = -1;
+static int hf_devicenet_grp_msg2_id = -1;
+static int hf_devicenet_grp_msg3_id = -1;
+static int hf_devicenet_grp_msg3_frag = -1;
+static int hf_devicenet_grp_msg3_xid = -1;
+static int hf_devicenet_grp_msg3_dest_mac_id = -1;
+static int hf_devicenet_grp_msg4_id = -1;
+static int hf_devicenet_rr_bit = -1;
+static int hf_devicenet_service_code = -1;
+static int hf_devicenet_connection_id = -1;
+static int hf_devicenet_open_exp_src_message_id = -1;
+static int hf_devicenet_open_exp_dest_message_id = -1;
+static int hf_devicenet_open_exp_msg_req_body_format = -1;
+static int hf_devicenet_open_exp_msg_actual_body_format = -1;
+static int hf_devicenet_open_exp_group_select = -1;
+static int hf_devicenet_open_exp_msg_reserved = -1;
+static int hf_devicenet_dup_mac_id_rr_bit = -1;
+static int hf_devicenet_dup_mac_id_physical_port_number = -1;
+static int hf_devicenet_dup_mac_id_serial_number = -1;
+static int hf_devicenet_dup_mac_id_vendor = -1;
+static int hf_devicenet_comm_fault_rsv = -1;
+static int hf_devicenet_comm_fault_match = -1;
+static int hf_devicenet_comm_fault_value = -1;
+static int hf_devicenet_offline_ownership_reserved = -1;
+static int hf_devicenet_offline_ownership_client_mac_id = -1;
+static int hf_devicenet_offline_ownership_allocate = -1;
+static int hf_devicenet_vendor = -1;
+static int hf_devicenet_serial_number = -1;
+static int hf_devicenet_class8 = -1;
+static int hf_devicenet_class16 = -1;
+static int hf_devicenet_instance8 = -1;
+static int hf_devicenet_instance16 = -1;
+static int hf_devicenet_fragment_type = -1;
+static int hf_devicenet_fragment_count = -1;
+
+static gint ett_devicenet = -1;
+static gint ett_devicenet_can = -1;
+static gint ett_devicenet_contents = -1;
+static gint ett_devicenet_8_8 = -1;
+static gint ett_devicenet_8_16 = -1;
+static gint ett_devicenet_16_8 = -1;
+static gint ett_devicenet_16_16 = -1;
+
+static expert_field ei_devicenet_invalid_service = EI_INIT;
+static expert_field ei_devicenet_invalid_can_id = EI_INIT;
+static expert_field ei_devicenet_invalid_msg_id = EI_INIT;
+static expert_field ei_devicenet_frag_not_supported = EI_INIT;
+
+enum node_behavior {
+ NODE_BEHAVIOR_8_8 = 0,
+ NODE_BEHAVIOR_8_16 = 1,
+ NODE_BEHAVIOR_16_8 = 2,
+ NODE_BEHAVIOR_16_16 = 3
+};
+
+/* UAT entry structure. */
+typedef struct {
+ guint mac_id;
+ enum node_behavior behavior;
+
+} uat_devicenet_record_t;
+
+static uat_devicenet_record_t *uat_devicenet_records = NULL;
+static uat_t *devicenet_uat = NULL;
+static guint num_devicenet_records_uat = 0;
+
+static void uat_devicenet_record_update_cb(void* r, const char** err) {
+ uat_devicenet_record_t* rec = (uat_devicenet_record_t *)r;
+
+ if (rec->mac_id > 63)
+ *err = g_strdup_printf("MAC ID must be between 0-63");
+}
+
+UAT_DEC_CB_DEF(uat_devicenet_records, mac_id, uat_devicenet_record_t)
+UAT_VS_DEF(uat_devicenet_records, behavior, uat_devicenet_record_t, enum node_behavior, NODE_BEHAVIOR_8_8, "string")
+
+static const enum_val_t bodytype_devicenet_protocol_options[] = {
+ { "eightovereight", "8/8", 0 },
+ { "eightoversixten", "8/16", 1 },
+ { "sixteenovereight", "16/8", 2 },
+ { "sixteenoversixteen", "16/16", 3 },
+ { NULL, NULL, 0 }
+};
+
+#define SC_OPEN_EXPLICIT_MESSAGE 0x4B
+#define SC_CLOSE_EXPLICIT_MESSAGE 0x4C
+#define SC_DEVICE_HEARTBEAT_MESSAGE 0x4D
+#define SC_DEVICE_SHUTOWN_MESSAGE 0x4E
+
+static const value_string devicenet_service_code_vals[] = {
+ GENERIC_SC_LIST
+
+ { SC_OPEN_EXPLICIT_MESSAGE, "Open Explicit Message Connection Request" },
+ { SC_CLOSE_EXPLICIT_MESSAGE, "Close Connection Request" },
+ { SC_DEVICE_HEARTBEAT_MESSAGE, "Device Heartbeat Message" },
+ { SC_DEVICE_SHUTOWN_MESSAGE, "Device Shutdown Message" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_grp_msg1_vals[] = {
+ { 0x0300, "Slave's I/O Multicast Poll Response" },
+ { 0x0340, "Slave's I/O Change of State or Cyclic Message" },
+ { 0x0380, "Slave's I/O Bit-Strobe Response Message" },
+ { 0x03C0, "Slave's I/O Poll Response or COS/Cyclic Ack Message" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_grp_msg2_vals[] = {
+ { 0x00, "Master's I/O Bit-Strobe Command Message" },
+ { 0x01, "Master's I/O Multicast Poll Group ID" },
+ { 0x02, "Master's Change of State or Cyclic Acknowledge Message" },
+ { 0x03, "Slave's Explicit/Unconnected Response Messages" },
+ { 0x04, "Master's Explicit Request Messages" },
+ { 0x05, "Master's I/O Poll Command/COS/Cyclic Messages" },
+ { 0x06, "Group 2 Only Unconnected Explicit Request Messages" },
+ { 0x07, "Duplicate MAC ID Check Messages" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_grp_msg3_vals[] = {
+ { 0x000, "Group 3 Message" },
+ { 0x040, "Group 3 Message" },
+ { 0x080, "Group 3 Message" },
+ { 0x0C0, "Group 3 Message" },
+ { 0x100, "Group 3 Message" },
+ { 0x140, "Unconnected Explicit Response Message" },
+ { 0x180, "Unconnected Explicit Request Message" },
+ { 0x1C0, "Invalid Group 3 Message" },
+ { 0, NULL }
+};
+
+#define GRP4_COMM_FAULT_RESPONSE 0x2C
+#define GRP4_COMM_FAULT_REQUEST 0x2D
+#define GRP4_OFFLINE_OWNER_RESPONSE 0x2E
+#define GRP4_OFFLINE_OWNER_REQUEST 0x2F
+
+static const value_string devicenet_grp_msg4_vals[] = {
+ { GRP4_COMM_FAULT_RESPONSE, "Communication Faulted Response Message" },
+ { GRP4_COMM_FAULT_REQUEST, "Communication Faulted Request Message" },
+ { GRP4_OFFLINE_OWNER_RESPONSE, "Offline Ownership Response Message" },
+ { GRP4_OFFLINE_OWNER_REQUEST, "Offline Ownership Request Message" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_message_body_format_vals[] = {
+ { 0x00, "DeviceNet 8/8. Class ID = 8 bit integer, Instance ID = 8 bit integer" },
+ { 0x01, "DeviceNet 8/16. Class ID = 8 bit integer, Instance ID = 16 bit integer" },
+ { 0x02, "DeviceNet 16/16. Class ID = 16 bit integer. Instance ID = 16 bit integer" },
+ { 0x03, "DeviceNet 16/8. Class ID = 16 bit integer. Instance ID = 8 bit integer" },
+ { 0x04, "CIP Path. The addressing size is variable and is provided as a Packed EPATH on each request" },
+ { 0x05, "Reserved by DeviceNet" },
+ { 0x06, "Reserved by DeviceNet" },
+ { 0x07, "Reserved by DeviceNet" },
+ { 0x08, "Reserved by DeviceNet" },
+ { 0x09, "Reserved by DeviceNet" },
+ { 0x0A, "Reserved by DeviceNet" },
+ { 0x0B, "Reserved by DeviceNet" },
+ { 0x0C, "Reserved by DeviceNet" },
+ { 0x0D, "Reserved by DeviceNet" },
+ { 0x0E, "Reserved by DeviceNet" },
+ { 0x0F, "Reserved by DeviceNet" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_group_select_vals[] = {
+ { 0x00, "Message Group 1" },
+ { 0x01, "Message Group 2" },
+ { 0x02, "Reserved" },
+ { 0x03, "Message Group 3" },
+ { 0x04, "Reserved by DeviceNet" },
+ { 0x05, "Reserved by DeviceNet" },
+ { 0x06, "Reserved by DeviceNet" },
+ { 0x07, "Reserved by DeviceNet" },
+ { 0x08, "Reserved by DeviceNet" },
+ { 0x09, "Reserved by DeviceNet" },
+ { 0x0A, "Reserved by DeviceNet" },
+ { 0x0B, "Reserved by DeviceNet" },
+ { 0x0C, "Reserved by DeviceNet" },
+ { 0x0D, "Reserved by DeviceNet" },
+ { 0x0E, "Reserved by DeviceNet" },
+ { 0x0F, "Reserved by Node Ping" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_fragmented_message_type_vals[] = {
+ { 0, "First Fragment" },
+ { 0x40, "Middle fragment" },
+ { 0x80, "Last fragment" },
+ { 0xC0, "Fragment Acknowledge" },
+ { 0, NULL }
+};
+
+static const value_string devicenet_io_attribute_vals[] = {
+ {0x01, "Vendor ID"},
+ {0x02, "Device Type"},
+ {0x03, "Product Code"},
+ {0x04, "Revision"},
+ {0x05, "Status"},
+ {0x06, "Serial Number"},
+ {0x07, "Product Name"},
+ { 0, NULL }
+};
+
+static gint body_type_8_over_8_dissection(guint8 data_length, proto_tree *devicenet_tree,
+ tvbuff_t *tvb, packet_info *pinfo, gint offset)
+{
+ proto_item *devicenet_8_8;
+ guint16 class_id, instance, attribute;
+ attribute_info_t* att_info;
+ gint start_offset = offset, length;
+
+ devicenet_8_8 = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "DeviceNet 8/8");
+ devicenet_tree = proto_item_add_subtree(devicenet_8_8, ett_devicenet_8_8);
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_class8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+ class_id = tvb_get_guint8(tvb, offset);
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_instance8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+ instance = tvb_get_guint8(tvb, offset);
+
+ offset++;
+ if (data_length > 3)
+ {
+ attribute = tvb_get_guint8(tvb, offset);
+ att_info = cip_get_attribute(class_id, instance, attribute);
+
+ if (att_info != NULL)
+ proto_tree_add_text(devicenet_tree, tvb, offset, 1, "Instance Attribute: %s", att_info->text);
+
+ offset++;
+ }
+
+ if (data_length > 4)
+ {
+ length = offset-start_offset;
+ proto_tree_add_bytes_format_value(devicenet_tree, hf_devicenet_data, tvb, offset, length,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, length, ' '));
+ offset += length;
+ }
+ return offset;
+}
+
+static gint body_type_8_over_16_dissection(guint8 data_length, proto_tree *devicenet_tree,
+ tvbuff_t *tvb, packet_info *pinfo, gint offset)
+{
+ proto_item *devicenet_8_16;
+ guint16 class_id, instance, attribute;
+ attribute_info_t* att_info;
+
+ devicenet_8_16 = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "DeviceNet 8/16");
+ devicenet_tree = proto_item_add_subtree(devicenet_8_16, ett_devicenet_8_16);
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_class8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+ class_id = tvb_get_guint8(tvb, offset);
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_instance16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ instance = tvb_get_letohs(tvb, offset);
+
+ if (data_length > 4)
+ {
+ attribute = tvb_get_guint8(tvb, offset);
+ att_info = cip_get_attribute(class_id, instance, attribute);
+
+ if (att_info != NULL)
+ proto_tree_add_text(devicenet_tree, tvb, offset, 1, "Instance Attribute: %s", att_info->text);
+
+ offset++;
+ }
+
+ return offset;
+}
+
+static gint body_type_16_over_8_dissection(guint8 data_length, proto_tree *devicenet_tree, tvbuff_t *tvb,
+ packet_info *pinfo, gint offset)
+{
+ proto_item *devicenet_16_8;
+ guint16 class_id, instance, attribute;
+ attribute_info_t* att_info;
+
+ devicenet_16_8 = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "DeviceNet 16/8");
+ devicenet_tree = proto_item_add_subtree(devicenet_16_8, ett_devicenet_16_8);
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_class16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ class_id = tvb_get_letohs(tvb, offset);
+ offset += 2;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_instance8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
+ instance = tvb_get_guint8(tvb, offset);
+ offset++;
+
+ if (data_length > 4)
+ {
+ attribute = tvb_get_guint8(tvb, offset);
+ att_info = cip_get_attribute(class_id, instance, attribute);
+
+ if (att_info != NULL)
+ proto_tree_add_text(devicenet_tree, tvb, offset, 1, "Instance Attribute: %s" ,att_info->text);
+
+ offset++;
+ }
+
+ return offset;
+}
+
+static gint body_type_16_over_16_dissection(guint8 data_length, proto_tree *devicenet_tree, tvbuff_t *tvb,
+ packet_info *pinfo, gint offset)
+{
+ proto_item *devicenet_16_16;
+
+ guint16 class_id, instance, attribute;
+ attribute_info_t* att_info;
+
+ devicenet_16_16 = proto_tree_add_text(devicenet_tree, tvb, offset, 4, "DeviceNet 16/16");
+ devicenet_tree = proto_item_add_subtree(devicenet_16_16, ett_devicenet_16_16);
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_class16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ class_id = tvb_get_letohs(tvb, offset);
+ offset += 2;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_instance16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ instance = tvb_get_letohs(tvb, offset);
+ offset+=2;
+
+ if (data_length > 5)
+ {
+ attribute = tvb_get_guint8(tvb, offset);
+ att_info = cip_get_attribute(class_id, instance, attribute);
+
+ if (att_info != NULL)
+ proto_tree_add_text(devicenet_tree, tvb, offset, 1, "Instance Attribute: %s" ,att_info->text);
+
+ offset++;
+ }
+
+ return offset;
+}
+
+struct can_identifier
+{
+ guint32 id;
+};
+
+static int dissect_devicenet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
+{
+ proto_item *ti, *can_id_item, *devicenet_contents,
+ *msg_id_item, *service_item;
+ proto_tree *devicenet_tree, *can_tree, *content_tree;
+
+ gint offset = 0;
+ guint16 message_id;
+ guint32 data_length = tvb_reported_length(tvb);
+ guint8 source_mac;
+ struct can_identifier can_id;
+ guint8 service_rr;
+ guint8 *src_address, *dest_address;
+
+ DISSECTOR_ASSERT(data);
+ can_id = *((struct can_identifier*)data);
+
+ if (can_id.id & (~DEVICENET_CANID_MASK))
+ {
+ /* Not for us */
+ return 0;
+ }
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DeviceNet");
+
+ ti = proto_tree_add_item(tree, proto_devicenet, tvb, offset, -1, ENC_NA);
+ devicenet_tree = proto_item_add_subtree(ti, ett_devicenet);
+
+ ti = proto_tree_add_text(devicenet_tree, tvb, 0, 0, "CAN Identifier: 0x%04x", can_id.id);
+ can_tree = proto_item_add_subtree(ti, ett_devicenet_can);
+ can_id_item = proto_tree_add_uint(can_tree, hf_devicenet_can_id, tvb, 0, 0, can_id.id);
+ PROTO_ITEM_SET_GENERATED(can_id_item);
+
+ /*
+ * Message group 1
+ */
+ if ( can_id.id <= MESSAGE_GROUP_1_ID )
+ {
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_grp_msg1_id, tvb, 0, 0, can_id.id);
+ PROTO_ITEM_SET_GENERATED(ti);
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_src_mac_id, tvb, 0, 0, can_id.id & MESSAGE_GROUP_1_MAC_ID_MASK);
+ PROTO_ITEM_SET_GENERATED(ti);
+
+ /* Set source address */
+ src_address = (guint8*)wmem_alloc(pinfo->pool, 1);
+ *src_address = (guint8)(can_id.id & MESSAGE_GROUP_1_MAC_ID_MASK);
+ SET_ADDRESS(&pinfo->src, AT_DEVICENET, 1, (const void*)src_address);
+
+ message_id = can_id.id & MESSAGE_GROUP_1_MSG_MASK;
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(message_id, devicenet_grp_msg1_vals, "Other Group 1 Message"));
+
+ proto_tree_add_bytes_format_value(devicenet_tree, hf_devicenet_data, tvb, offset, data_length,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, data_length, ' '));
+ }
+ /*
+ * Message group 2
+ */
+ else if (can_id.id <= MESSAGE_GROUP_2_ID )
+ {
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_grp_msg2_id, tvb, 0, 0, can_id.id);
+ PROTO_ITEM_SET_GENERATED(ti);
+
+ /* create display subtree for the protocol */
+ message_id = can_id.id & MESSAGE_GROUP_2_MSG_MASK;
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(message_id, devicenet_grp_msg2_vals, "Unknown"));
+
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_src_mac_id, tvb, 0, 0, (can_id.id & MESSAGE_GROUP_2_MAC_ID_MASK) >> 3);
+ PROTO_ITEM_SET_GENERATED(ti);
+
+ /* Set source address */
+ src_address = (guint8*)wmem_alloc(pinfo->pool, 1);
+ *src_address = (guint8)((can_id.id & MESSAGE_GROUP_2_MAC_ID_MASK) >> 3);
+ SET_ADDRESS(&pinfo->src, AT_DEVICENET, 1, (const void*)src_address);
+
+ devicenet_contents = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "Contents");
+ content_tree = proto_item_add_subtree(devicenet_contents, ett_devicenet_contents);
+
+ switch (message_id)
+ {
+ case 0x0:
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ case 0x4:
+ case 0x5:
+ proto_tree_add_bytes_format_value(content_tree, hf_devicenet_data, tvb, offset, data_length,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, data_length, ' '));
+ break;
+
+ case 0x6:
+ proto_tree_add_bytes_format_value(content_tree, hf_devicenet_data, tvb, offset, data_length,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, data_length, ' '));
+ break;
+
+ case 0x7:
+ proto_tree_add_item(content_tree, hf_devicenet_dup_mac_id_rr_bit, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_dup_mac_id_physical_port_number, tvb, offset, 1, ENC_NA);
+ offset ++;
+
+ proto_tree_add_item(content_tree, hf_devicenet_dup_mac_id_vendor, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ offset+=2;
+
+ proto_tree_add_item(content_tree, hf_devicenet_dup_mac_id_serial_number, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+ break;
+ }
+ }
+ /*
+ * Message group 3
+ */
+ else if (can_id.id <= MESSAGE_GROUP_3_ID )
+ {
+ guint8 byte1;
+
+ msg_id_item = proto_tree_add_uint(can_tree, hf_devicenet_grp_msg3_id, tvb, 0, 0, can_id.id);
+ PROTO_ITEM_SET_GENERATED(msg_id_item);
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_src_mac_id, tvb, 0, 0, can_id.id & MESSAGE_GROUP_3_MAC_ID_MASK);
+ PROTO_ITEM_SET_GENERATED(ti);
+
+ /* Set source address */
+ src_address = (guint8*)wmem_alloc(pinfo->pool, 1);
+ *src_address = (guint8)(can_id.id & MESSAGE_GROUP_3_MAC_ID_MASK);
+ SET_ADDRESS(&pinfo->src, AT_DEVICENET, 1, (const void*)src_address);
+
+ message_id = can_id.id & MESSAGE_GROUP_3_MSG_MASK;
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(message_id, devicenet_grp_msg3_vals, "Unknown"));
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_grp_msg3_frag, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_grp_msg3_xid, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_grp_msg3_dest_mac_id, tvb, offset, 1, ENC_NA);
+ byte1 = tvb_get_guint8(tvb, offset);
+ source_mac = byte1 & MESSAGE_GROUP_3_MAC_ID_MASK;
+
+ /* Set destination address */
+ /* XXX - This may be source address depending on message type. Need to adjust accordingly) */
+ dest_address = (guint8*)wmem_alloc(pinfo->pool, 1);
+ *dest_address = (guint8)source_mac;
+ SET_ADDRESS(&pinfo->dst, AT_DEVICENET, 1, (const void*)dest_address);
+ offset++;
+
+ if (byte1 & MESSAGE_GROUP_3_FRAG_MASK)
+ {
+ col_set_str(pinfo->cinfo, COL_INFO, "Group 3 Message Fragment");
+
+ devicenet_contents = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "Fragmentation");
+ content_tree = proto_item_add_subtree(devicenet_contents, ett_devicenet_contents);
+
+ proto_tree_add_item(content_tree, hf_devicenet_fragment_type, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_fragment_count, tvb, offset, 1, ENC_NA);
+
+ /* TODO: Handle fragmentation */
+ proto_tree_add_expert(content_tree, pinfo, &ei_devicenet_frag_not_supported, tvb, offset, -1);
+
+ col_set_str(pinfo->cinfo, COL_INFO, try_val_to_str((tvb_get_guint8(tvb, offset) & 0xC0) >> 6, devicenet_fragmented_message_type_vals));
+ }
+ else
+ {
+ service_rr = tvb_get_guint8(tvb, offset);
+
+ devicenet_contents = proto_tree_add_text(devicenet_tree, tvb, offset, -1, "Service: %s (%s)",
+ val_to_str_const(service_rr & CIP_SC_MASK, devicenet_service_code_vals, "Unknown"),
+ service_rr & CIP_SC_RESPONSE_MASK ? "Response" : "Request");
+ content_tree = proto_item_add_subtree(devicenet_contents, ett_devicenet_contents);
+
+ proto_tree_add_item(content_tree, hf_devicenet_rr_bit, tvb, offset, 1, ENC_NA);
+ service_item = proto_tree_add_item(content_tree, hf_devicenet_service_code, tvb, offset, 1, ENC_NA);
+ offset++;
+
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(service_rr & CIP_SC_MASK, devicenet_service_code_vals, "Unknown Service Code"));
+ if (service_rr & CIP_SC_RESPONSE_MASK)
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Response");
+ }
+ else
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Request");
+ }
+
+ switch(message_id)
+ {
+ case 0x140:
+ switch(service_rr & CIP_SC_MASK)
+ {
+ case SC_OPEN_EXPLICIT_MESSAGE:
+ case SC_CLOSE_EXPLICIT_MESSAGE:
+ case SC_DEVICE_HEARTBEAT_MESSAGE:
+ case SC_DEVICE_SHUTOWN_MESSAGE:
+ /* XXX - ERROR RESPONSE? */
+ break;
+ default:
+ expert_add_info_format(pinfo, service_item, &ei_devicenet_invalid_service,
+ "Invalid service code (0x%x) for Group 3 Messsage ID 5", service_rr & CIP_SC_MASK);
+ break;
+ }
+ break;
+ case 0x180:
+ switch(service_rr & CIP_SC_MASK)
+ {
+ case SC_OPEN_EXPLICIT_MESSAGE:
+ case SC_CLOSE_EXPLICIT_MESSAGE:
+ break;
+ default:
+ expert_add_info_format(pinfo, service_item, &ei_devicenet_invalid_service,
+ "Invalid service code (0x%x) for Group 3 Messsage ID 6", service_rr & CIP_SC_MASK);
+ break;
+ }
+ break;
+ break;
+ case 0x1C0:
+ expert_add_info_format(pinfo, msg_id_item, &ei_devicenet_invalid_msg_id,
+ "Invalid Group 3 Messsage ID (%d)", message_id);
+ break;
+ }
+
+ switch(service_rr & CIP_SC_MASK)
+ {
+ case SC_OPEN_EXPLICIT_MESSAGE:
+ /* XXX - Create conversation to track connections */
+ if (service_rr & CIP_SC_RESPONSE_MASK)
+ {
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_msg_reserved, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_msg_actual_body_format, tvb, offset, 1, ENC_NA);
+ offset++;
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_dest_message_id, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_src_message_id, tvb, offset, 1, ENC_NA);
+ offset++;
+ proto_tree_add_item(content_tree, hf_devicenet_connection_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ }
+ else
+ {
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_msg_reserved, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_msg_req_body_format, tvb, offset, 1, ENC_NA);
+ offset++;
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_group_select, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(content_tree, hf_devicenet_open_exp_src_message_id, tvb, offset, 1, ENC_NA);
+ }
+ break;
+ case SC_CLOSE_EXPLICIT_MESSAGE:
+ /* XXX - Use conversation to track connections */
+ if ((service_rr & CIP_SC_RESPONSE_MASK) == 0)
+ {
+ proto_tree_add_item(content_tree, hf_devicenet_connection_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ }
+ break;
+ default:
+ if(service_rr & CIP_SC_MASK)
+ {
+ proto_tree_add_bytes_format_value(devicenet_tree, hf_devicenet_data, tvb, offset, data_length - 2,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, data_length - 2, ' '));
+ }
+ else
+ {
+ guint channel;
+
+ for (channel = 0; channel < num_devicenet_records_uat; channel++)
+ {
+ if (uat_devicenet_records[channel].mac_id == source_mac)
+ {
+ switch(uat_devicenet_records[channel].behavior)
+ {
+ case 0:
+ body_type_8_over_8_dissection(data_length, content_tree, tvb, pinfo, offset);
+ break;
+ case 1:
+ body_type_8_over_16_dissection(data_length, content_tree, tvb, pinfo, offset);
+ break;
+ case 2:
+ body_type_16_over_8_dissection(data_length, content_tree, tvb, pinfo, offset);
+ break;
+ case 3:
+ body_type_16_over_16_dissection(data_length, content_tree, tvb, pinfo, offset);
+ break;
+ default:
+ proto_tree_add_bytes_format_value(content_tree, hf_devicenet_data, tvb, offset, data_length,
+ NULL, "%s", tvb_bytes_to_str_punct(tvb, offset, data_length, ' '));
+ }
+ }
+ break;
+ }
+
+ /* Don't have a behavior defined for this address, default to 8 over 8 */
+ if (channel >= num_devicenet_records_uat)
+ {
+ body_type_8_over_8_dissection(data_length, content_tree, tvb, pinfo, offset);
+ }
+ }
+ break;
+ }
+ }
+ }
+ /*Message group 4*/
+ else if (can_id.id <= MESSAGE_GROUP_4_ID )
+ {
+ ti = proto_tree_add_uint(can_tree, hf_devicenet_grp_msg4_id, tvb, 0, 0, can_id.id);
+ PROTO_ITEM_SET_GENERATED(ti);
+
+ message_id = can_id.id & MESSAGE_GROUP_4_MSG_MASK;
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(message_id, devicenet_grp_msg4_vals, "Reserved Group 4 Message"));
+
+ switch(message_id)
+ {
+ case GRP4_COMM_FAULT_RESPONSE:
+ case GRP4_COMM_FAULT_REQUEST:
+ if(data_length == 2)
+ {
+ proto_tree_add_item(devicenet_tree, hf_devicenet_comm_fault_rsv, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_comm_fault_match, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_comm_fault_value, tvb, offset, 1, ENC_NA);
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_rr_bit, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_service_code, tvb, offset, 1, ENC_NA);
+
+ if( tvb_get_guint8(tvb, offset) & CIP_SC_RESPONSE_MASK)
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Response");
+ }
+ else
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Request");
+ }
+ }
+ else if(data_length == 8)
+ {
+ proto_tree_add_item(devicenet_tree, hf_devicenet_comm_fault_rsv, tvb, offset, 1, ENC_NA);
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_rr_bit, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_service_code, tvb, offset, 1, ENC_NA);
+
+ if( tvb_get_guint8(tvb, offset) & CIP_SC_RESPONSE_MASK)
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Response");
+ }
+ else
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Request");
+ }
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_vendor, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ offset +=2;
+ proto_tree_add_item(devicenet_tree, hf_devicenet_serial_number, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+ }
+ break;
+ case GRP4_OFFLINE_OWNER_REQUEST:
+ case GRP4_OFFLINE_OWNER_RESPONSE:
+ proto_tree_add_item(devicenet_tree, hf_devicenet_offline_ownership_reserved, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(devicenet_tree, hf_devicenet_offline_ownership_client_mac_id, tvb, offset, 1, ENC_NA);
+ offset++;
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_rr_bit, tvb, offset, 1, ENC_NA);
+
+ if( tvb_get_guint8(tvb, offset) & CIP_SC_RESPONSE_MASK)
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Response");
+ }
+ else
+ {
+ col_append_str(pinfo->cinfo, COL_INFO, " - Request");
+ }
+
+ proto_tree_add_item(devicenet_tree, hf_devicenet_offline_ownership_allocate, tvb, offset, 1, ENC_NA);
+ offset++;
+ proto_tree_add_item(devicenet_tree, hf_devicenet_vendor, tvb, offset, 2, ENC_LITTLE_ENDIAN);
+ offset +=2;
+ proto_tree_add_item(devicenet_tree, hf_devicenet_serial_number, tvb, offset, 4, ENC_LITTLE_ENDIAN);
+ break;
+ }
+ }
+ /*Invalid CAN message*/
+ else
+ {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Invalid CAN Message 0x%06X", can_id.id);
+ expert_add_info_format(pinfo, can_id_item, &ei_devicenet_invalid_can_id,
+ "Invalid CAN Message 0x%04X", can_id.id);
+ }
+
+ return tvb_length(tvb);
+}
+
+void proto_register_devicenet(void)
+{
+ module_t *devicenet_module;
+ expert_module_t*expert_devicenet;
+
+ static hf_register_info hf[] = {
+ { &hf_devicenet_can_id,
+ {"CAN Identifier", "devicenet.can_id",
+ FT_UINT16, BASE_HEX, NULL, DEVICENET_CANID_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_src_mac_id,
+ { "Source MAC ID", "devicenet.src_mac_id",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_connection_id,
+ { "Connection ID", "devicenet.connection_id",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_data,
+ { "Data", "devicenet.data",
+ FT_BYTES, BASE_NONE, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg1_id,
+ { "Group 1 message ID", "devicenet.grp_msg1.id",
+ FT_UINT16, BASE_DEC, NULL, MESSAGE_GROUP_1_MSG_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg2_id,
+ { "Group 2 message ID", "devicenet.grp_msg2.id",
+ FT_UINT16, BASE_DEC, NULL, MESSAGE_GROUP_2_MSG_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg3_id,
+ { "Group 3 message ID", "devicenet.grp_msg3.id",
+ FT_UINT16, BASE_DEC, NULL, MESSAGE_GROUP_3_MSG_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg3_dest_mac_id,
+ { "Destination MAC ID", "devicenet.dest_mac_id",
+ FT_UINT8, BASE_DEC, NULL, 0x3F,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg3_frag,
+ { "Frag", "devicenet.grp_msg3.frag",
+ FT_BOOLEAN, 8, NULL, MESSAGE_GROUP_3_FRAG_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg3_xid,
+ { "XID", "devicenet.grp_msg3.xid",
+ FT_BOOLEAN, 8, NULL, MESSAGE_GROUP_3_XID_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_grp_msg4_id,
+ { "Group 4 message ID", "devicenet.grp_msg4.id",
+ FT_UINT16, BASE_DEC, NULL, MESSAGE_GROUP_4_MSG_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_rr_bit,
+ { "Request/Response", "devicenet.rr",
+ FT_UINT8, BASE_DEC, VALS(cip_sc_rr), CIP_SC_RESPONSE_MASK,
+ "Request or Response message", HFILL }
+ },
+ { &hf_devicenet_service_code,
+ { "Service Code", "devicenet.service",
+ FT_UINT8, BASE_DEC, &devicenet_service_code_vals, CIP_SC_MASK,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_src_message_id,
+ { "Source Message ID", "devicenet.open_message.src_message_id",
+ FT_UINT8, BASE_DEC, NULL, 0x0F,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_dest_message_id,
+ { "Destination Message ID", "devicenet.open_message.dest_message_id",
+ FT_UINT8, BASE_DEC, NULL, 0xF0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_msg_reserved,
+ { "Reserved", "devicenet.open_message.reserved",
+ FT_UINT8, BASE_DEC, NULL, 0xF0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_msg_req_body_format,
+ { "Requested Message Body Format", "devicenet.open_message.req_body_format",
+ FT_UINT8, BASE_DEC, VALS(devicenet_message_body_format_vals), 0x0F,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_msg_actual_body_format,
+ { "Actual Message Body Format", "devicenet.open_message.actual_body_format",
+ FT_UINT8, BASE_DEC, VALS(devicenet_message_body_format_vals), 0x0F,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_open_exp_group_select,
+ { "Group Select", "devicenet.open_message.group_select",
+ FT_UINT8, BASE_DEC, VALS(devicenet_group_select_vals), 0xF0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_dup_mac_id_rr_bit,
+ { "Request/Response", "devicenet.dup_mac_id.rr",
+ FT_UINT8, BASE_DEC, VALS(cip_sc_rr), CIP_SC_RESPONSE_MASK,
+ "Duplicate MAC ID Request or Response message", HFILL }
+ },
+ { &hf_devicenet_dup_mac_id_physical_port_number,
+ { "Physical port number", "devicenet.dup_mac_id.physical_port_number",
+ FT_UINT8, BASE_DEC, NULL, 0x7F,
+ "Duplicate MAC ID check message physical port number", HFILL }
+ },
+ { &hf_devicenet_dup_mac_id_vendor,
+ { "Vendor ID", "devicenet.dup_mac_id.vendor",
+ FT_UINT16, BASE_HEX|BASE_EXT_STRING, &cip_vendor_vals_ext, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_dup_mac_id_serial_number,
+ { "Serial Number", "devicenet.dup_mac_id.serial_number",
+ FT_UINT32, BASE_HEX, NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_vendor,
+ { "Vendor ID", "devicenet.vendor",
+ FT_UINT16, BASE_HEX|BASE_EXT_STRING, &cip_vendor_vals_ext, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_serial_number,
+ { "Serial Number", "devicenet.serial_number",
+ FT_UINT32, BASE_HEX, NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_instance8,
+ { "Instance", "devicenet.instance",
+ FT_UINT8, BASE_HEX, NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_instance16,
+ { "Instance", "devicenet.instance",
+ FT_UINT16, BASE_HEX, NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_fragment_type,
+ { "Fragment Type", "devicenet.fragment_type",
+ FT_UINT8, BASE_HEX, VALS(devicenet_fragmented_message_type_vals), 0xC0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_fragment_count,
+ { "Fragment Count", "devicenet.fragment_count",
+ FT_UINT8, BASE_HEX_DEC, NULL, 0x3F,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_class8,
+ { "Class", "devicenet.class",
+ FT_UINT8, BASE_HEX|BASE_EXT_STRING, &cip_class_names_vals_ext, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_class16,
+ { "Class", "devicenet.class",
+ FT_UINT16, BASE_HEX|BASE_EXT_STRING, &cip_class_names_vals_ext, 0,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_comm_fault_rsv,
+ { "Reserved", "devicenet.comm_fault.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x80,
+ NULL, HFILL }
+ },
+ { &hf_devicenet_comm_fault_match,
+ { "Match", "devicenet.comm_fault.match",
+ FT_UINT8, BASE_HEX, NULL, 0x40,
+ NULL, HFILL }
+ },
+ {&hf_devicenet_comm_fault_value,
+ { "Value", "devicenet.comm_fault.value",
+ FT_UINT8, BASE_HEX, NULL, 0x3F,
+ "Comm Fault Value", HFILL }
+ },
+ {&hf_devicenet_offline_ownership_reserved,
+ { "Reserved", "devicenet.offline_ownership.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0xC0,
+ "Offline ownership Response Message Reserved", HFILL }
+ },
+ {&hf_devicenet_offline_ownership_client_mac_id,
+ { "Client MAC ID", "devicenet.offline_ownership.client_mac_id",
+ FT_UINT8, BASE_HEX, NULL, MESSAGE_GROUP_4_MSG_MASK,
+ "Offline ownership message client MAC ID", HFILL }
+ },
+ {&hf_devicenet_offline_ownership_allocate,
+ { "Allocate", "devicenet.offline_ownership.allocate",
+ FT_UINT8, BASE_HEX, NULL, CIP_SC_MASK,
+ "Offline ownership response message allocate", HFILL }
+ },
+ };
+
+ static gint *ett[] = {
+ &ett_devicenet,
+ &ett_devicenet_can,
+ &ett_devicenet_contents,
+ &ett_devicenet_8_8,
+ &ett_devicenet_8_16,
+ &ett_devicenet_16_8,
+ &ett_devicenet_16_16
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_devicenet_invalid_service, { "devicenet.invalid_service", PI_PROTOCOL, PI_WARN, "Invalid service", EXPFILL }},
+ { &ei_devicenet_invalid_can_id, { "devicenet.invalid_can_id", PI_PROTOCOL, PI_WARN, "Invalid CAN ID", EXPFILL }},
+ { &ei_devicenet_invalid_msg_id, { "devicenet.invalid_msg_id", PI_PROTOCOL, PI_WARN, "Invalid Message ID", EXPFILL }},
+ { &ei_devicenet_frag_not_supported, { "devicenet.frag_not_supported", PI_UNDECODED, PI_WARN, "Fragmentation not currently supported", EXPFILL }},
+ };
+
+ static uat_field_t devicenet_uat_flds[] = {
+ UAT_FLD_DEC(uat_devicenet_records, mac_id, "Option number", "Custom Option Number"),
+ UAT_FLD_VS(uat_devicenet_records, behavior, "Option type", devicenet_message_body_format_vals, "Option datatype"),
+ UAT_END_FIELDS
+ };
+
+ proto_devicenet = proto_register_protocol("DeviceNet Protocol", "DeviceNet", "devicenet");
+
+ proto_register_field_array(proto_devicenet, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ expert_devicenet = expert_register_protocol(proto_devicenet);
+ expert_register_field_array(expert_devicenet, ei, array_length(ei));
+
+ new_register_dissector("devicenet", dissect_devicenet, proto_devicenet);
+
+ devicenet_module = prefs_register_protocol(proto_devicenet, NULL);
+
+ devicenet_uat = uat_new("Node bodytypes",
+ sizeof(uat_devicenet_record_t), /* record size */
+ "devicenet_bodytypes", /* filename */
+ TRUE, /* from_profile */
+ (void**) &uat_devicenet_records,/* data_ptr */
+ &num_devicenet_records_uat, /* numitems_ptr */
+ UAT_AFFECTS_DISSECTION, /* affects dissection of packets, but not set of named fields */
+ NULL, /* help */
+ NULL, /* copy callback */
+ uat_devicenet_record_update_cb, /* update callback */
+ NULL, /* free callback */
+ NULL, /* post update callback */
+ devicenet_uat_flds); /* UAT field definitions */
+
+ prefs_register_uat_preference(devicenet_module,
+ "bodytype_table",
+ "Node bodytypes",
+ "Node bodytypes",
+ devicenet_uat);
+}
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