#include <epan/etypes.h>
#include <epan/prefs.h>
-#include "packet-epl.h"
+#ifndef UDP_PORT_EPL
+#define UDP_PORT_EPL 3819
+#endif
+
+/* Allow heuristic dissection */
+static heur_dissector_list_t heur_epl_subdissector_list;
+
+/* Container for tapping relevant data */
+typedef struct _epl_info_t {
+ unsigned char epl_mtyp;
+} epl_info_t;
+
+
+/*EPL Addressing*/
+#define EPL_INVALID_NODEID 0
+#define EPL_MN_NODEID 240
+#define EPL_DIAGNOSTIC_DEVICE_NODEID 253
+#define EPL_TO_LEGACY_ETHERNET_ROUTER_NODEID 254
+#define EPL_BROADCAST_NODEID 255
+
+static const value_string addr_str_vals[] = {
+ {EPL_INVALID_NODEID, " (invalid)" },
+ {EPL_MN_NODEID, " (Managing Node)" },
+ {EPL_DIAGNOSTIC_DEVICE_NODEID, " (Diagnostic Device)" },
+ {EPL_TO_LEGACY_ETHERNET_ROUTER_NODEID, " (EPL to legacy Ethernet Router)" },
+ {EPL_BROADCAST_NODEID, " (broadcast)" },
+ {0,NULL}
+};
+
+static const value_string addr_str_abbr_vals[] _U_ = {
+ {EPL_INVALID_NODEID, " (inv.)" },
+ {EPL_MN_NODEID, " (MN)" },
+ {EPL_DIAGNOSTIC_DEVICE_NODEID, " (diag.)" },
+ {EPL_TO_LEGACY_ETHERNET_ROUTER_NODEID, " (router)" },
+ {EPL_BROADCAST_NODEID, " (bc)" },
+ {0,NULL}
+};
+/*
+static const gchar* addr_str_abbr_cn = " (CN)";
+static const gchar* addr_str_abbr_res = " (res.)";
+*/
+
+
+
+/* Offsets of fields within an EPL packet. */
+#define EPL_MTYP_OFFSET 0 /* same offset for all message types*/
+#define EPL_DEST_OFFSET 1 /* same offset for all message types*/
+#define EPL_SRC_OFFSET 2 /* same offset for all message types*/
+
+#define EPL_SOA_SVID_OFFSET 6
+#define EPL_SOA_SVTG_OFFSET 7
+#define EPL_SOA_EPLV_OFFSET 8
+
+#define EPL_ASND_SVID_OFFSET 3
+#define EPL_ASND_DATA_OFFSET 4
+
+
+/* EPL message types */
+#define EPL_SOC 0x01
+#define EPL_PREQ 0x03
+#define EPL_PRES 0x04
+#define EPL_SOA 0x05
+#define EPL_ASND 0x06
+
+static const value_string mtyp_vals[] = {
+ {EPL_SOC, "Start of Cycle (SoC)" },
+ {EPL_PREQ, "PollRequest (PReq)" },
+ {EPL_PRES, "PollResponse (PRes)" },
+ {EPL_SOA, "Start of Asynchronous (SoA)"},
+ {EPL_ASND, "Asynchronous Send (ASnd)" },
+ {0,NULL}
+};
+
+#define EPL_SOC_MC_MASK 0x80
+#define EPL_SOC_PS_MASK 0x40
+#define EPL_PDO_RD_MASK 0x01
+
+/* RequestedServiceID s for EPL message type "SoA" */
+#define EPL_SOA_NOSERVICE 0
+#define EPL_SOA_IDENTREQUEST 1
+#define EPL_SOA_STATUSREQUEST 2
+#define EPL_SOA_NMTREQUESTINVITE 3
+#define EPL_SOA_UNSPECIFIEDINVITE 255
+
+static const value_string soa_svid_vals[] = {
+ {EPL_SOA_NOSERVICE, "NoService" },
+ {EPL_SOA_IDENTREQUEST, "IdentRequest" },
+ {EPL_SOA_STATUSREQUEST, "StatusRequest" },
+ {EPL_SOA_NMTREQUESTINVITE, "NMTRequestInvite" },
+ {EPL_SOA_UNSPECIFIEDINVITE, "UnspecifiedInvite"},
+ {0,NULL}
+};
+
+/* ServiceID values for EPL message type "ASnd" */
+#define EPL_ASND_IDENTRESPONSE 1
+#define EPL_ASND_STATUSRESPONSE 2
+#define EPL_ASND_NMTREQUEST 3
+#define EPL_ASND_NMTCOMMAND 4
+#define EPL_ASND_SDO 5
+
+static const value_string asnd_svid_vals[] = {
+ {EPL_ASND_IDENTRESPONSE, "IdentResponse" },
+ {EPL_ASND_STATUSRESPONSE, "StatusResponse"},
+ {EPL_ASND_NMTREQUEST, "NMTRequest" },
+ {EPL_ASND_NMTCOMMAND, "NMTCommand" },
+ {EPL_ASND_SDO, "SDO" },
+ {0,NULL}
+};
+
+/* NMTCommand values for EPL message type "ASnd" */
+#define EPL_ASND_NMTCOMMAND_NMTSTARTNODE 0x21
+#define EPL_ASND_NMTCOMMAND_NMTSTOPNODE 0x22
+#define EPL_ASND_NMTCOMMAND_NMTENTERPREOPERATIONAL2 0x23
+#define EPL_ASND_NMTCOMMAND_NMTENABLEREADYTOOPERATE 0x24
+#define EPL_ASND_NMTCOMMAND_NMTRESETNODE 0x28
+#define EPL_ASND_NMTCOMMAND_NMTRESETCOMMUNICATION 0x29
+#define EPL_ASND_NMTCOMMAND_NMTRESETCONFIGURATION 0x2A
+#define EPL_ASND_NMTCOMMAND_NMTSWRESET 0x2B
+
+#define EPL_ASND_NMTCOMMAND_NMTSTARTNODEEX 0x41
+#define EPL_ASND_NMTCOMMAND_NMTSTOPNODEEX 0x42
+#define EPL_ASND_NMTCOMMAND_NMTENTERPREOPERATIONAL2EX 0x43
+#define EPL_ASND_NMTCOMMAND_NMTENABLEREADYTOOPERATEEX 0x44
+#define EPL_ASND_NMTCOMMAND_NMTRESETNODEEX 0x48
+#define EPL_ASND_NMTCOMMAND_NMTRESETCOMMUNICATIONEX 0x49
+#define EPL_ASND_NMTCOMMAND_NMTRESETCONFIGURATIONEX 0x4A
+#define EPL_ASND_NMTCOMMAND_NMTSWRESETEX 0x4B
+
+#define EPL_ASND_NMTCOMMAND_NMTNETHOSTNAMESET 0x62
+#define EPL_ASND_NMTCOMMAND_NMTFLUSHARPENTRY 0x63
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHCONFIGUREDNODES 0x80
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHACTIVENODES 0x90
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHPREOPERATIONAL1 0x91
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHPREOPERATIONAL2 0x92
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHREADYTOOPERATE 0x93
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHOPERATIONAL 0x94
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHSTOPPED 0x95
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHEMERGENCYNEW 0xA0
+#define EPL_ASND_NMTCOMMAND_NMTPUBLISHTIME 0XB0
+#define EPL_ASND_NMTCOMMAND_NMTINVALIDSERVICE 0xFF
+
+static const value_string asnd_cid_vals[] = {
+ {EPL_ASND_NMTCOMMAND_NMTSTARTNODE, "NMTStartNode" },
+ {EPL_ASND_NMTCOMMAND_NMTSTOPNODE, "NMTStopNode" },
+ {EPL_ASND_NMTCOMMAND_NMTENTERPREOPERATIONAL2, "NMTEnterPreOperational2" },
+ {EPL_ASND_NMTCOMMAND_NMTENABLEREADYTOOPERATE, "NMTEnableReadyToOperate" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETNODE, "NMTResetNode" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETCOMMUNICATION, "NMTResetCommunication" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETCONFIGURATION, "NMTResetConfiguration" },
+ {EPL_ASND_NMTCOMMAND_NMTSWRESET, "NMTSwReset" },
+ {EPL_ASND_NMTCOMMAND_NMTSTARTNODEEX, "NMTStartNodeEx" },
+ {EPL_ASND_NMTCOMMAND_NMTSTOPNODEEX, "NMTStopNodeEx" },
+ {EPL_ASND_NMTCOMMAND_NMTENTERPREOPERATIONAL2EX, "NMTEnterPreOperational2Ex" },
+ {EPL_ASND_NMTCOMMAND_NMTENABLEREADYTOOPERATEEX, "NMTEnableReadyToOperateEx" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETNODEEX, "NMTResetNodeEx" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETCOMMUNICATIONEX, "NMTCommunicationEx" },
+ {EPL_ASND_NMTCOMMAND_NMTRESETCONFIGURATIONEX, "NMTResetConfigurationEx" },
+ {EPL_ASND_NMTCOMMAND_NMTSWRESETEX, "NMTSwResetEx" },
+ {EPL_ASND_NMTCOMMAND_NMTNETHOSTNAMESET, "NMTNetHostNameSet" },
+ {EPL_ASND_NMTCOMMAND_NMTFLUSHARPENTRY, "NMTFlushArpEntry" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHCONFIGUREDNODES, "NMTPublishConfiguredNodes" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHACTIVENODES, "NMTPublishActiveNodes" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHPREOPERATIONAL1, "NMTPublishPreOperational1" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHPREOPERATIONAL2, "NMTPublishPreOperational2" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHREADYTOOPERATE, "NMTPublishReadyToOperate" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHOPERATIONAL, "NMTPublishOperational" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHSTOPPED, "NMTPublishStopped" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHEMERGENCYNEW, "NMTPublishEmergencyNew" },
+ {EPL_ASND_NMTCOMMAND_NMTPUBLISHTIME, "NMTPublishTime" },
+ {EPL_ASND_NMTCOMMAND_NMTINVALIDSERVICE, "NMTInvalidService" },
+ /* "special" values to cover all possibilities of CommandID in NMTRequests */
+ {EPL_ASND_IDENTRESPONSE, "IdentResponse" },
+ {EPL_ASND_STATUSRESPONSE, "StatusResponse" },
+ {0,NULL}
+};
+
+/* Priority values for EPL message type "ASnd", "", "", field PR */
+#define EPL_PR_GENERICREQUEST 0x03
+#define EPL_PR_NMTREQUEST 0x07
+
+static const value_string epl_pr_vals[] = {
+ {0, "lowest"},
+ {1, "lower"},
+ {2, "below generic"},
+ {EPL_PR_GENERICREQUEST, "GenericRequest"},
+ {4, "above generic"},
+ {5, "higher"},
+ {6, "below NMTRequest"},
+ {EPL_PR_NMTREQUEST, "NMTRequest"},
+ {0,NULL}
+};
+
+/* NMT State values (for CN)*/
+#define EPL_NMT_GS_OFF 0x00
+#define EPL_NMT_GS_INITIALIZING 0x19
+#define EPL_NMT_GS_RESET_APPLICATION 0x29
+#define EPL_NMT_GS_RESET_COMMUNICATION 0x39
+#define EPL_NMT_CS_NOT_ACTIVE 0x1C
+#define EPL_NMT_CS_PRE_OPERATIONAL_1 0x1D
+#define EPL_NMT_CS_PRE_OPERATIONAL_2 0x5D
+#define EPL_NMT_CS_READY_TO_OPERATE 0x6D
+#define EPL_NMT_CS_OPERATIONAL 0xFD
+#define EPL_NMT_CS_STOPPED 0x4D
+#define EPL_NMT_CS_BASIC_ETHERNET 0x1E
+
+static const value_string epl_nmt_cs_vals[] = {
+ {EPL_NMT_GS_OFF, "NMT_GS_OFF" },
+ {EPL_NMT_GS_INITIALIZING, "NMT_GS_INITIALIZING" },
+ {EPL_NMT_GS_RESET_APPLICATION, "NMT_GS_RESET_APPLICATION" },
+ {EPL_NMT_GS_RESET_COMMUNICATION, "NMT_GS_RESET_COMMUNICATION"},
+ {EPL_NMT_CS_NOT_ACTIVE, "NMT_CS_NOT_ACTIVE" },
+ {EPL_NMT_CS_PRE_OPERATIONAL_1, "NMT_CS_PRE_OPERATIONAL_1" },
+ {EPL_NMT_CS_PRE_OPERATIONAL_2, "NMT_CS_PRE_OPERATIONAL_2" },
+ {EPL_NMT_CS_READY_TO_OPERATE, "NMT_CS_READY_TO_OPERATE" },
+ {EPL_NMT_CS_OPERATIONAL, "NMT_CS_OPERATIONAL" },
+ {EPL_NMT_CS_STOPPED, "NMT_CS_STOPPED" },
+ {EPL_NMT_CS_BASIC_ETHERNET, "NMT_CS_BASIC_ETHERNET" },
+ {0,NULL}
+};
+
+/* NMT State values (for MN)*/
+#define EPL_NMT_GS_OFF 0x00
+#define EPL_NMT_GS_INITIALIZING 0x19
+#define EPL_NMT_GS_RESET_APPLICATION 0x29
+#define EPL_NMT_GS_RESET_COMMUNICATION 0x39
+#define EPL_NMT_MS_NOT_ACTIVE 0x1C
+#define EPL_NMT_MS_PRE_OPERATIONAL_1 0x1D
+#define EPL_NMT_MS_PRE_OPERATIONAL_2 0x5D
+#define EPL_NMT_MS_READY_TO_OPERATE 0x6D
+#define EPL_NMT_MS_OPERATIONAL 0xFD
+#define EPL_NMT_MS_BASIC_ETHERNET 0x1E
+
+static const value_string epl_nmt_ms_vals[] = {
+ {EPL_NMT_GS_OFF, "NMT_GS_OFF" },
+ {EPL_NMT_GS_INITIALIZING, "NMT_GS_INITIALIZING" },
+ {EPL_NMT_GS_RESET_APPLICATION, "NMT_GS_RESET_APPLICATION" },
+ {EPL_NMT_GS_RESET_COMMUNICATION, "NMT_GS_RESET_COMMUNICATION"},
+ {EPL_NMT_MS_NOT_ACTIVE, "NMT_MS_NOT_ACTIVE" },
+ {EPL_NMT_MS_PRE_OPERATIONAL_1, "NMT_MS_PRE_OPERATIONAL_1" },
+ {EPL_NMT_MS_PRE_OPERATIONAL_2, "NMT_MS_PRE_OPERATIONAL_2" },
+ {EPL_NMT_MS_READY_TO_OPERATE, "NMT_MS_READY_TO_OPERATE" },
+ {EPL_NMT_MS_OPERATIONAL, "NMT_MS_OPERATIONAL" },
+ {EPL_NMT_MS_BASIC_ETHERNET, "NMT_MS_BASIC_ETHERNET" },
+ {0,NULL}
+};
+
+
+
+/* EPL Device Profiles according to CANopen */
+#define EPL_PROFILE_NO 0
+#define EPL_PROFILE_GENERIC_IO 401
+#define EPL_PROFILE_DRIVE 402
+#define EPL_PROFILE_HMI 403
+#define EPL_PROFILE_MEASURING 404
+#define EPL_PROFILE_PLC 405
+#define EPL_PROFILE_ENCODER 406
+
+
+static const value_string epl_device_profiles[] = {
+ {EPL_PROFILE_NO, "No Standard Device"},
+ {EPL_PROFILE_GENERIC_IO, "Generic I/O module"},
+ {EPL_PROFILE_DRIVE, "Drive and motion control"},
+ {EPL_PROFILE_HMI, "Human Machine Interface"},
+ {EPL_PROFILE_MEASURING, "Measuring device"},
+ {EPL_PROFILE_PLC, "IEC 61131-3 PLC"},
+ {EPL_PROFILE_ENCODER, "Encoder"},
+ {0,NULL}
+};
+
+
+/* SDO SequenceLayer */
+#define EPL_ASND_SDO_SEQ_RECEIVE_SEQUENCE_NUMBER_OFFSET 4
+#define EPL_ASND_SDO_SEQ_RECEIVE_CON_OFFSET 4
+
+#define EPL_ASND_SDO_SEQ_SEND_SEQUENCE_NUMBER_OFFSET 5
+#define EPL_ASND_SDO_SEQ_SEND_CON_OFFSET 5
+
+#define EPL_ASND_SDO_SEQ_RECEIVE_CON_NO_CONNECTION 0x00
+#define EPL_ASND_SDO_SEQ_RECEIVE_CON_INITIALIZATION 0x01
+#define EPL_ASND_SDO_SEQ_RECEIVE_CON_CONNECTION_VALID 0x02
+#define EPL_ASND_SDO_SEQ_RECEIVE_CON_ERROR_RESPONSE 0x03
+#define EPL_ASND_SDO_SEQ_CON_MASK 0x03
+
+static const value_string epl_sdo_receive_con_vals[] = {
+ {EPL_ASND_SDO_SEQ_RECEIVE_CON_NO_CONNECTION, "No connection" },
+ {EPL_ASND_SDO_SEQ_RECEIVE_CON_INITIALIZATION, "Initialization" },
+ {EPL_ASND_SDO_SEQ_RECEIVE_CON_CONNECTION_VALID, "Connection valid" },
+ {EPL_ASND_SDO_SEQ_RECEIVE_CON_ERROR_RESPONSE, "Error Response (retransmission request)"},
+ {0,NULL}
+};
+
+#define EPL_ASND_SDO_SEQ_SEND_CON_NO_CONNECTION 0x00
+#define EPL_ASND_SDO_SEQ_SEND_CON_INITIALIZATION 0x01
+#define EPL_ASND_SDO_SEQ_SEND_CON_CONNECTION_VALID 0x02
+#define EPL_ASND_SDO_SEQ_SEND_CON_ERROR_VALID_ACK_REQ 0x03
+
+static const value_string epl_sdo_send_con_vals[] = {
+ {EPL_ASND_SDO_SEQ_SEND_CON_NO_CONNECTION, "No connection" },
+ {EPL_ASND_SDO_SEQ_SEND_CON_INITIALIZATION, "Initialization" },
+ {EPL_ASND_SDO_SEQ_SEND_CON_CONNECTION_VALID, "Connection valid" },
+ {EPL_ASND_SDO_SEQ_SEND_CON_ERROR_VALID_ACK_REQ, "Connection valid with acknowledge request" },
+ {0,NULL}
+};
+
+/* SDO EPL Command Layer Protocol */
+#define EPL_ASND_SDO_CMD_ABORT_FILTER 0x40
+#define EPL_ASND_SDO_CMD_SEGMENTATION_FILTER 0x30
+#define EPL_ASND_SDO_CMD_RESPONSE_FILTER 0x80
+
+
+/* SDO - Abort Transfer */
+static const value_string sdo_cmd_abort_code[] = {
+ {0x05030000, "reserved" },
+ {0x05040000, "SDO protocol timed out." },
+ {0x05040001, "Client/server Command ID not valid or unknown." },
+ {0x05040002, "Invalid block size." },
+ {0x05040003, "Invalid sequence number." },
+ {0x05040004, "reserved" },
+ {0x05040005, "Out of memory." },
+ {0x06010000, "Unsupported access to an object." },
+ {0x06010001, "Attempt to read a write-only object." },
+ {0x06010002, "Attempt to write a read-only object." },
+ {0x06020000, "Object does not exist in the object dictionary." },
+ {0x06040041, "Object cannot be mapped to the PDO." },
+ {0x06040042, "The number and length of the objects to be mapped would exceed PDO length." },
+ {0x06040043, "General parameter incompatibility." },
+ {0x06040047, "General internal incompatibility in the device." },
+ {0x06060000, "Access failed due to a hardware error." },
+ {0x06070010, "Data type does not match, length of service parameter does not match." },
+ {0x06070012, "Data type does not match, length of service parameter too high." },
+ {0x06070013, "Data type does not match, length of service parameter too low." },
+ {0x06090011, "Sub-index does not exist." },
+ {0x06090030, "Value range of parameter exceeded (only for write access)." },
+ {0x06090031, "Value of parameter written too high." },
+ {0x06090032, "Value of parameter written too low." },
+ {0x06090036, "Maximum value is less then minimum value." },
+ {0x08000000, "General error" },
+ {0x08000020, "Data cannot be transferred or stored to the application." },
+ {0x08000021, "Data cannot be transferred or stored to the application because of local control." },
+ {0x08000022, "Data cannot be transferred or stored to the application because of the present device state." },
+ {0x08000023, "Object dictionary dynamic generation fails or no object dictionary is present." },
+ {0x08000024, "EDS, DCF or Concise DCF Data set empty." },
+ {0,NULL}
+};
+
+
+#define EPL_ASND_SDO_CMD_RESPONSE_RESPONSE 0
+#define EPL_ASND_SDO_CMD_RESPONSE_REQUEST 1
+
+static const value_string epl_sdo_asnd_cmd_response[] = {
+ {EPL_ASND_SDO_CMD_RESPONSE_RESPONSE, "Request" },
+ {EPL_ASND_SDO_CMD_RESPONSE_REQUEST, "Response" },
+ {0,NULL}
+};
+
+#define EPL_ASND_SDO_CMD_ABORT_TRANSFER_OK 0
+#define EPL_ASND_SDO_CMD_ABORT_ABORT_TRANSFER 1
+static const value_string epl_sdo_asnd_cmd_abort[] = {
+ {EPL_ASND_SDO_CMD_ABORT_TRANSFER_OK, "Transfer OK" },
+ {EPL_ASND_SDO_CMD_ABORT_ABORT_TRANSFER, "Abort Transfer" },
+ {0,NULL}
+};
+
+#define EPL_ASND_SDO_CMD_SEGMENTATION_EPEDITED_TRANSFER 0
+#define EPL_ASND_SDO_CMD_SEGMENTATION_INITIATE_TRANSFER 1
+#define EPL_ASND_SDO_CMD_SEGMENTATION_SEGMENT 2
+#define EPL_ASND_SDO_CMD_SEGMENTATION_TRANSFER_COMPLETE 3
+
+static const value_string epl_sdo_asnd_cmd_segmentation[] = {
+ {EPL_ASND_SDO_CMD_SEGMENTATION_EPEDITED_TRANSFER, "Expedited Transfer" },
+ {EPL_ASND_SDO_CMD_SEGMENTATION_INITIATE_TRANSFER, "Initiate Transfer" },
+ {EPL_ASND_SDO_CMD_SEGMENTATION_SEGMENT, "Segment" },
+ {EPL_ASND_SDO_CMD_SEGMENTATION_TRANSFER_COMPLETE, "Transfer Complete" },
+ {0,NULL}
+};
+
+#define EPL_ASND_SDO_COMMAND_NOT_IN_LIST 0x00
+#define EPL_ASND_SDO_COMMAND_WRITE_BY_INDEX 0x01
+#define EPL_ASND_SDO_COMMAND_READ_BY_INDEX 0x02
+#define EPL_ASND_SDO_COMMAND_WRITE_ALL_BY_INDEX 0x03
+#define EPL_ASND_SDO_COMMAND_READ_ALL_BY_INDEX 0x04
+#define EPL_ASND_SDO_COMMAND_WRITE_BY_NAME 0x05
+#define EPL_ASND_SDO_COMMAND_READ_BY_NAME 0x06
+#define EPL_ASND_SDO_COMMAND_FILE_WRITE 0x20
+#define EPL_ASND_SDO_COMMAND_FILE_READ 0x21
+#define EPL_ASND_SDO_COMMAND_WRITE_MULTIPLE_PARAMETER_BY_INDEX 0x31
+#define EPL_ASND_SDO_COMMAND_READ_MULTIPLE_PARAMETER_BY_INDEX 0x32
+#define EPL_ASND_SDO_COMMAND_MAXIMUM_SEGMENT_SIZE 0x70
+#define EPL_ASND_SDO_COMMAND_LINK_NAME_TO_INDEX 0x71
+
+static const value_string epl_sdo_asnd_commands[] = {
+ {EPL_ASND_SDO_COMMAND_NOT_IN_LIST , "Not in List" },
+ {EPL_ASND_SDO_COMMAND_WRITE_BY_INDEX , "Write by Index" },
+ {EPL_ASND_SDO_COMMAND_READ_BY_INDEX , "Read by Index" },
+ {EPL_ASND_SDO_COMMAND_WRITE_ALL_BY_INDEX , "Write All by Index" },
+ {EPL_ASND_SDO_COMMAND_READ_ALL_BY_INDEX , "Read All by Index" },
+ {EPL_ASND_SDO_COMMAND_WRITE_BY_NAME , "Write by Name" },
+ {EPL_ASND_SDO_COMMAND_READ_BY_NAME , "Read by Name" },
+ {EPL_ASND_SDO_COMMAND_FILE_WRITE , "File Write" },
+ {EPL_ASND_SDO_COMMAND_FILE_READ , "File Read" },
+ {EPL_ASND_SDO_COMMAND_WRITE_MULTIPLE_PARAMETER_BY_INDEX, "Write Multiple Parameter by Index" },
+ {EPL_ASND_SDO_COMMAND_READ_MULTIPLE_PARAMETER_BY_INDEX , "Read Multiple Parameter by Index" },
+ {EPL_ASND_SDO_COMMAND_MAXIMUM_SEGMENT_SIZE , "Maximum Segment Size" },
+ {EPL_ASND_SDO_COMMAND_LINK_NAME_TO_INDEX , "Link objects only accessible via name to an index/sub-index"},
+ {0,NULL}
+};
+static const gchar* addr_str_cn = " (Controlled Node)";
+static const gchar* addr_str_res = " (reserved)";
+
+static gint dissect_epl_soc(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_preq(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_pres(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, guint8 epl_src, gint offset);
+static gint dissect_epl_soa(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, guint8 epl_src, gint offset);
+
+static gint dissect_epl_asnd_ires(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, guint8 epl_src, gint offset);
+static gint dissect_epl_asnd_sres(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, guint8 epl_src, gint offset);
+static gint dissect_epl_asnd_nmtcmd(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_asnd_nmtreq(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_asnd(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, guint8 epl_src, gint offset);
+
+static gint dissect_epl_asnd_sdo(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_sdo_sequence(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_sdo_command(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset);
+static gint dissect_epl_sdo_command_write_by_index(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset, guint8 segmented, gboolean response);
+static gint dissect_epl_sdo_command_read_by_index(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset, guint8 segmented, gboolean response);
+
+static const gchar* decode_epl_address(guchar adr);
+
+static gboolean dissect_epl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
/* Initialize the protocol and registered fields */
udpencap = TRUE;
}
+ /*
+ * In case the packet is a protocol encoded in the basic EPL transport stream,
+ * give that protocol a chance to make a heuristic dissection, before we continue
+ * to dissect it as a normal EPL packet.
+ */
+ if (dissector_try_heuristic(heur_epl_subdissector_list, tvb, pinfo, tree))
+ return TRUE;
+
/* Get message type */
epl_mtyp = tvb_get_guint8(tvb, EPL_MTYP_OFFSET) & 0x7F;
}
}
-
-
-/* Get the abbreviation for an EPL NodeID */
-/*const gchar*
-decode_epl_address_abbrev (guchar adr)
-{
- const gchar *addr_str;
-
- addr_str = match_strval(adr, addr_str_abbr_vals);
-
- if (addr_str != NULL)
- {
- return addr_str;
- }
- else
- {
- if (( adr < EPL_MN_NODEID) && (adr > EPL_INVALID_NODEID))
- {
- return addr_str_abbr_cn;
- }
- else
- {
- return addr_str_abbr_res;
- }
- }
-}
-*/
-
-
gint
dissect_epl_soc(proto_tree *epl_tree, tvbuff_t *tvb, packet_info *pinfo, gint offset)
{
module_t *epl_module;
/* Register the protocol name and description */
- proto_epl = proto_register_protocol("Ethernet POWERLINK V2", "EPL", "epl");
+ proto_epl = proto_register_protocol("Ethernet POWERLINK", "EPL", "epl");
+
+ /* subdissector code */
+ register_heur_dissector_list("epl", &heur_epl_subdissector_list);
+
+ /* Registering protocol to be called by another dissector */
+ new_register_dissector("epl", dissect_epl, proto_epl);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_epl, hf, array_length(hf));
git.samba.org / obnox / wireshark / wip.git / commitdiff