--- /dev/null
+/* packet-sv.c
+ * Routines for IEC 61850 Sampled Vales packet dissection
+ * Michael Bernhard 2008
+ *
+ * $Id:$
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <epan/packet.h>
+#include <epan/asn1.h>
+#include <epan/etypes.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "packet-ber.h"
+#include "packet-acse.h"
+
+#include "tap.h"
+
+#include "packet-sv.h"
+
+#define PNAME "IEC61850 Sampled Values"
+#define PSNAME "SV"
+#define PFNAME "sv"
+
+/* see IEC61850-8-1 8.2 */
+#define Q_VALIDITY_GOOD (0x0 << 0)
+#define Q_VALIDITY_INVALID (0x1 << 0)
+#define Q_VALIDITY_QUESTIONABLE (0x3 << 0)
+#define Q_VALIDITY_MASK (0x3 << 0)
+
+#define Q_OVERFLOW (1 << 2)
+#define Q_OUTOFRANGE (1 << 3)
+#define Q_BADREFERENCE (1 << 4)
+#define Q_OSCILLATORY (1 << 5)
+#define Q_FAILURE (1 << 6)
+#define Q_OLDDATA (1 << 7)
+#define Q_INCONSISTENT (1 << 8)
+#define Q_INACCURATE (1 << 9)
+
+#define Q_SOURCE_PROCESS (0 << 10)
+#define Q_SOURCE_SUBSTITUTED (1 << 10)
+#define Q_SOURCE_MASK (1 << 10)
+
+#define Q_TEST (1 << 11)
+#define Q_OPERATORBLOCKED (1 << 12)
+
+/* see UCA Implementation Guideline for IEC 61850-9-2 */
+#define Q_DERIVED (1 << 13)
+
+
+/* Data for SV tap */
+static int sv_tap = -1;
+static sv_frame_data sv_data;
+
+/* Initialize the protocol and registered fields */
+static int proto_sv = -1;
+static int hf_sv_appid = -1;
+static int hf_sv_length = -1;
+static int hf_sv_reserve1 = -1;
+static int hf_sv_reserve2 = -1;
+static int hf_sv_phmeas_instmag_i = -1;
+static int hf_sv_phsmeas_q = -1;
+static int hf_sv_phsmeas_q_validity = -1;
+static int hf_sv_phsmeas_q_overflow = -1;
+static int hf_sv_phsmeas_q_outofrange = -1;
+static int hf_sv_phsmeas_q_badreference = -1;
+static int hf_sv_phsmeas_q_oscillatory = -1;
+static int hf_sv_phsmeas_q_failure = -1;
+static int hf_sv_phsmeas_q_olddata = -1;
+static int hf_sv_phsmeas_q_inconsistent = -1;
+static int hf_sv_phsmeas_q_inaccurate = -1;
+static int hf_sv_phsmeas_q_source = -1;
+static int hf_sv_phsmeas_q_test = -1;
+static int hf_sv_phsmeas_q_operatorblocked = -1;
+static int hf_sv_phsmeas_q_derived = -1;
+
+#include "packet-sv-hf.c"
+
+/* Initialize the subtree pointers */
+static int ett_sv = -1;
+static int ett_phsmeas = -1;
+static int ett_phsmeas_q = -1;
+
+#include "packet-sv-ett.c"
+
+static const value_string sv_q_validity_vals[] = {
+ { 0, "good" },
+ { 1, "invalid" },
+ { 3, "questionable" },
+ { 0, NULL }
+};
+
+static const value_string sv_q_source_vals[] = {
+ { 0, "process" },
+ { 1, "substituted" },
+ { 0, NULL }
+};
+
+static int
+dissect_PhsMeas1(gboolean implicit_tag, packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, int hf_id _U_)
+{
+ gint8 class;
+ gboolean pc;
+ gint32 tag;
+ guint32 len;
+ proto_item *it;
+ proto_tree *subtree = NULL;
+ gint32 value;
+ guint32 qual;
+ guint32 i;
+
+ static const int *q_flags[] = {
+ &hf_sv_phsmeas_q_validity,
+ &hf_sv_phsmeas_q_overflow,
+ &hf_sv_phsmeas_q_outofrange,
+ &hf_sv_phsmeas_q_badreference,
+ &hf_sv_phsmeas_q_oscillatory,
+ &hf_sv_phsmeas_q_failure,
+ &hf_sv_phsmeas_q_olddata,
+ &hf_sv_phsmeas_q_inconsistent,
+ &hf_sv_phsmeas_q_inaccurate,
+ &hf_sv_phsmeas_q_source,
+ &hf_sv_phsmeas_q_test,
+ &hf_sv_phsmeas_q_operatorblocked,
+ &hf_sv_phsmeas_q_derived,
+ NULL
+ };
+
+ if (!implicit_tag) {
+ offset=dissect_ber_identifier(pinfo, tree, tvb, offset, &class, &pc, &tag);
+ offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL);
+ } else {
+ len=tvb_length_remaining(tvb, offset);
+ }
+
+ if (tree) {
+ it = proto_tree_add_text(tree, tvb, offset, len, "PhsMeas1");
+ subtree = proto_item_add_subtree(it, ett_phsmeas);
+ }
+
+ sv_data.num_phsMeas = 0;
+ for (i = 0; i < len/8; i++) {
+ if (tree && subtree) {
+ value = tvb_get_ntohl(tvb, offset);
+ qual = tvb_get_ntohl(tvb, offset + 4);
+
+ proto_tree_add_item(subtree, hf_sv_phmeas_instmag_i, tvb, offset, 4, FALSE);
+ proto_tree_add_bitmask(subtree, tvb, offset + 4, hf_sv_phsmeas_q, ett_phsmeas_q, q_flags, FALSE);
+
+ if (i < IEC61850_SV_MAX_PHSMEAS_ENTRIES) {
+ sv_data.phsMeas[i].value = value;
+ sv_data.phsMeas[i].qual = qual;
+ sv_data.num_phsMeas++;
+ }
+ }
+
+ offset += 8;
+ }
+
+ return offset;
+}
+
+#include "packet-sv-fn.c"
+
+/*
+* Dissect SV PDUs inside a PPDU.
+*/
+static void
+dissect_sv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+ int offset = 0;
+ int old_offset;
+ proto_item *item = NULL;
+ proto_tree *tree = NULL;
+ asn1_ctx_t asn1_ctx;
+
+ asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
+
+ if (parent_tree){
+ item = proto_tree_add_item(parent_tree, proto_sv, tvb, 0, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_sv);
+ }
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ /* APPID */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 2)
+ proto_tree_add_item(tree, hf_sv_appid, tvb, offset, 2, FALSE);
+
+ /* Length */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 4)
+ proto_tree_add_item(tree, hf_sv_length, tvb, offset + 2, 2, FALSE);
+
+ /* Reserved 1 */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 6)
+ proto_tree_add_item(tree, hf_sv_reserve1, tvb, offset + 4, 2, FALSE);
+
+ /* Reserved 2 */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 8)
+ proto_tree_add_item(tree, hf_sv_reserve2, tvb, offset + 6, 2, FALSE);
+
+ offset = 8;
+ while (tree && tvb_reported_length_remaining(tvb, offset) > 0){
+ old_offset = offset;
+ offset = dissect_sv_SampledValues(FALSE, tvb, offset, &asn1_ctx , tree, -1);
+ if (offset == old_offset) {
+ proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte SV PDU");
+ offset = tvb_length(tvb);
+ break;
+ }
+ }
+
+ if(tree)
+ tap_queue_packet(sv_tap, pinfo, &sv_data);
+}
+
+
+/*--- proto_register_sv -------------------------------------------*/
+void proto_register_sv(void) {
+
+ /* List of fields */
+ static hf_register_info hf[] = {
+ { &hf_sv_appid,
+ { "APPID", "sv.appid", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
+
+ { &hf_sv_length,
+ { "Length", "sv.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+
+ { &hf_sv_reserve1,
+ { "Reserved 1", "sv.reserve1", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }},
+
+ { &hf_sv_reserve2,
+ { "Reserved 2", "sv.reserve2", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }},
+
+ { &hf_sv_phmeas_instmag_i,
+ { "value", "sv.meas_value", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q,
+ { "quality", "sv.meas_quality", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_validity,
+ { "validity", "sv.meas_quality.validity", FT_UINT32, BASE_HEX, VALS(sv_q_validity_vals), Q_VALIDITY_MASK, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_overflow,
+ { "overflow", "sv.meas_quality.overflow", FT_BOOLEAN, 32, NULL, Q_OVERFLOW, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_outofrange,
+ { "out of range", "sv.meas_quality.outofrange", FT_BOOLEAN, 32, NULL, Q_OUTOFRANGE, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_badreference,
+ { "bad reference", "sv.meas_quality.badreference", FT_BOOLEAN, 32, NULL, Q_BADREFERENCE, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_oscillatory,
+ { "oscillatory", "sv.meas_quality.oscillatory", FT_BOOLEAN, 32, NULL, Q_OSCILLATORY, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_failure,
+ { "failure", "sv.meas_quality.failure", FT_BOOLEAN, 32, NULL, Q_FAILURE, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_olddata,
+ { "old data", "sv.meas_quality.olddata", FT_BOOLEAN, 32, NULL, Q_OLDDATA, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_inconsistent,
+ { "inconsistent", "sv.meas_quality.inconsistent", FT_BOOLEAN, 32, NULL, Q_INCONSISTENT, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_inaccurate,
+ { "inaccurate", "sv.meas_quality.inaccurate", FT_BOOLEAN, 32, NULL, Q_INACCURATE, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_source,
+ { "source", "sv.meas_quality.source", FT_UINT32, BASE_HEX, VALS(sv_q_source_vals), Q_SOURCE_MASK, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_test,
+ { "test", "sv.meas_quality.teset", FT_BOOLEAN, 32, NULL, Q_TEST, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_operatorblocked,
+ { "operator blocked", "sv.meas_quality.operatorblocked", FT_BOOLEAN, 32, NULL, Q_OPERATORBLOCKED, NULL, HFILL}},
+
+ { &hf_sv_phsmeas_q_derived,
+ { "derived", "sv.meas_quality.derived", FT_BOOLEAN, 32, NULL, Q_DERIVED, NULL, HFILL}},
+
+
+#include "packet-sv-hfarr.c"
+ };
+
+ /* List of subtrees */
+ static gint *ett[] = {
+ &ett_sv,
+ &ett_phsmeas,
+ &ett_phsmeas_q,
+#include "packet-sv-ettarr.c"
+ };
+
+ /* Register protocol */
+ proto_sv = proto_register_protocol(PNAME, PSNAME, PFNAME);
+ register_dissector("sv", dissect_sv, proto_sv);
+
+ /* Register fields and subtrees */
+ proto_register_field_array(proto_sv, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ /* Register tap */
+ sv_tap = register_tap("sv");
+}
+
+/*--- proto_reg_handoff_sv --- */
+void proto_reg_handoff_sv(void) {
+
+ dissector_handle_t sv_handle;
+ sv_handle = find_dissector("sv");
+
+ dissector_add("ethertype", ETHERTYPE_IEC61850_SV, sv_handle);
+}
--- /dev/null
+/* Do not modify this file. */
+/* It is created automatically by the ASN.1 to Wireshark dissector compiler */
+/* packet-sv.c */
+/* ../../tools/asn2wrs.py -b -p sv -c ./sv.cnf -s ./packet-sv-template -D . sv.asn */
+
+/* Input file: packet-sv-template.c */
+
+#line 1 "packet-sv-template.c"
+/* packet-sv.c
+ * Routines for IEC 61850 Sampled Vales packet dissection
+ * Michael Bernhard 2008
+ *
+ * $Id$
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <epan/packet.h>
+#include <epan/asn1.h>
+#include <epan/etypes.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "packet-ber.h"
+#include "packet-acse.h"
+
+#include "tap.h"
+
+#include "packet-sv.h"
+
+#define PNAME "IEC61850 Sampled Values"
+#define PSNAME "SV"
+#define PFNAME "sv"
+
+/* see IEC61850-8-1 8.2 */
+#define Q_VALIDITY_GOOD (0x0 << 0)
+#define Q_VALIDITY_INVALID (0x1 << 0)
+#define Q_VALIDITY_QUESTIONABLE (0x3 << 0)
+#define Q_VALIDITY_MASK (0x3 << 0)
+
+#define Q_OVERFLOW (1 << 2)
+#define Q_OUTOFRANGE (1 << 3)
+#define Q_BADREFERENCE (1 << 4)
+#define Q_OSCILLATORY (1 << 5)
+#define Q_FAILURE (1 << 6)
+#define Q_OLDDATA (1 << 7)
+#define Q_INCONSISTENT (1 << 8)
+#define Q_INACCURATE (1 << 9)
+
+#define Q_SOURCE_PROCESS (0 << 10)
+#define Q_SOURCE_SUBSTITUTED (1 << 10)
+#define Q_SOURCE_MASK (1 << 10)
+
+#define Q_TEST (1 << 11)
+#define Q_OPERATORBLOCKED (1 << 12)
+
+/* see UCA Implementation Guideline for IEC 61850-9-2 */
+#define Q_DERIVED (1 << 13)
+
+
+/* Data for SV tap */
+static int sv_tap = -1;
+static sv_frame_data sv_data;
+
+/* Initialize the protocol and registered fields */
+static int proto_sv = -1;
+static int hf_sv_appid = -1;
+static int hf_sv_length = -1;
+static int hf_sv_reserve1 = -1;
+static int hf_sv_reserve2 = -1;
+static int hf_sv_phmeas_instmag_i = -1;
+static int hf_sv_phsmeas_q = -1;
+static int hf_sv_phsmeas_q_validity = -1;
+static int hf_sv_phsmeas_q_overflow = -1;
+static int hf_sv_phsmeas_q_outofrange = -1;
+static int hf_sv_phsmeas_q_badreference = -1;
+static int hf_sv_phsmeas_q_oscillatory = -1;
+static int hf_sv_phsmeas_q_failure = -1;
+static int hf_sv_phsmeas_q_olddata = -1;
+static int hf_sv_phsmeas_q_inconsistent = -1;
+static int hf_sv_phsmeas_q_inaccurate = -1;
+static int hf_sv_phsmeas_q_source = -1;
+static int hf_sv_phsmeas_q_test = -1;
+static int hf_sv_phsmeas_q_operatorblocked = -1;
+static int hf_sv_phsmeas_q_derived = -1;
+
+
+/*--- Included file: packet-sv-hf.c ---*/
+#line 1 "packet-sv-hf.c"
+static int hf_sv_savPdu = -1; /* SavPdu */
+static int hf_sv_noASDU = -1; /* INTEGER_0_65535 */
+static int hf_sv_seqASDU = -1; /* SEQUENCE_OF_ASDU */
+static int hf_sv_seqASDU_item = -1; /* ASDU */
+static int hf_sv_svID = -1; /* VisibleString */
+static int hf_sv_smpCnt = -1; /* T_smpCnt */
+static int hf_sv_confRef = -1; /* INTEGER_0_4294967295 */
+static int hf_sv_smpSynch = -1; /* T_smpSynch */
+static int hf_sv_seqData = -1; /* Data */
+
+/*--- End of included file: packet-sv-hf.c ---*/
+#line 102 "packet-sv-template.c"
+
+/* Initialize the subtree pointers */
+static int ett_sv = -1;
+static int ett_phsmeas = -1;
+static int ett_phsmeas_q = -1;
+
+
+/*--- Included file: packet-sv-ett.c ---*/
+#line 1 "packet-sv-ett.c"
+static gint ett_sv_SampledValues = -1;
+static gint ett_sv_SavPdu = -1;
+static gint ett_sv_SEQUENCE_OF_ASDU = -1;
+static gint ett_sv_ASDU = -1;
+
+/*--- End of included file: packet-sv-ett.c ---*/
+#line 109 "packet-sv-template.c"
+
+static const value_string sv_q_validity_vals[] = {
+ { 0, "good" },
+ { 1, "invalid" },
+ { 3, "questionable" },
+ { 0, NULL }
+};
+
+static const value_string sv_q_source_vals[] = {
+ { 0, "process" },
+ { 1, "substituted" },
+ { 0, NULL }
+};
+
+static int
+dissect_PhsMeas1(gboolean implicit_tag, packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, int hf_id _U_)
+{
+ gint8 class;
+ gboolean pc;
+ gint32 tag;
+ guint32 len;
+ proto_item *it;
+ proto_tree *subtree = NULL;
+ gint32 value;
+ guint32 qual;
+ guint32 i;
+
+ static const int *q_flags[] = {
+ &hf_sv_phsmeas_q_validity,
+ &hf_sv_phsmeas_q_overflow,
+ &hf_sv_phsmeas_q_outofrange,
+ &hf_sv_phsmeas_q_badreference,
+ &hf_sv_phsmeas_q_oscillatory,
+ &hf_sv_phsmeas_q_failure,
+ &hf_sv_phsmeas_q_olddata,
+ &hf_sv_phsmeas_q_inconsistent,
+ &hf_sv_phsmeas_q_inaccurate,
+ &hf_sv_phsmeas_q_source,
+ &hf_sv_phsmeas_q_test,
+ &hf_sv_phsmeas_q_operatorblocked,
+ &hf_sv_phsmeas_q_derived,
+ NULL
+ };
+
+ if (!implicit_tag) {
+ offset=dissect_ber_identifier(pinfo, tree, tvb, offset, &class, &pc, &tag);
+ offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL);
+ } else {
+ len=tvb_length_remaining(tvb, offset);
+ }
+
+ if (tree) {
+ it = proto_tree_add_text(tree, tvb, offset, len, "PhsMeas1");
+ subtree = proto_item_add_subtree(it, ett_phsmeas);
+ }
+
+ sv_data.num_phsMeas = 0;
+ for (i = 0; i < len/8; i++) {
+ if (tree && subtree) {
+ value = tvb_get_ntohl(tvb, offset);
+ qual = tvb_get_ntohl(tvb, offset + 4);
+
+ proto_tree_add_item(subtree, hf_sv_phmeas_instmag_i, tvb, offset, 4, FALSE);
+ proto_tree_add_bitmask(subtree, tvb, offset + 4, hf_sv_phsmeas_q, ett_phsmeas_q, q_flags, FALSE);
+
+ if (i < IEC61850_SV_MAX_PHSMEAS_ENTRIES) {
+ sv_data.phsMeas[i].value = value;
+ sv_data.phsMeas[i].qual = qual;
+ sv_data.num_phsMeas++;
+ }
+ }
+
+ offset += 8;
+ }
+
+ return offset;
+}
+
+
+/*--- Included file: packet-sv-fn.c ---*/
+#line 1 "packet-sv-fn.c"
+
+
+static int
+dissect_sv_INTEGER_0_65535(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
+ NULL);
+
+ return offset;
+}
+
+
+
+static int
+dissect_sv_VisibleString(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_VisibleString,
+ actx, tree, tvb, offset, hf_index,
+ NULL);
+
+ return offset;
+}
+
+
+
+static int
+dissect_sv_T_smpCnt(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+#line 19 "sv.cnf"
+ guint32 value;
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value);
+ sv_data.smpCnt = value;
+
+
+ return offset;
+}
+
+
+
+static int
+dissect_sv_INTEGER_0_4294967295(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
+ NULL);
+
+ return offset;
+}
+
+
+static const value_string sv_T_smpSynch_vals[] = {
+ { 0, "none" },
+ { 1, "local" },
+ { 2, "global" },
+ { 0, NULL }
+};
+
+
+static int
+dissect_sv_T_smpSynch(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+#line 25 "sv.cnf"
+ guint32 value;
+ offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value);
+ sv_data.smpSynch = value;
+
+
+ return offset;
+}
+
+
+
+static int
+dissect_sv_Data(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+#line 31 "sv.cnf"
+ offset = dissect_PhsMeas1(implicit_tag, actx->pinfo, tree, tvb, offset, hf_index);
+
+
+ return offset;
+}
+
+
+static const ber_sequence_t ASDU_sequence[] = {
+ { &hf_sv_svID , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_sv_VisibleString },
+ { &hf_sv_smpCnt , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_sv_T_smpCnt },
+ { &hf_sv_confRef , BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_sv_INTEGER_0_4294967295 },
+ { &hf_sv_smpSynch , BER_CLASS_CON, 5, BER_FLAGS_IMPLTAG, dissect_sv_T_smpSynch },
+ { &hf_sv_seqData , BER_CLASS_CON, 7, BER_FLAGS_IMPLTAG, dissect_sv_Data },
+ { NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_sv_ASDU(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
+ ASDU_sequence, hf_index, ett_sv_ASDU);
+
+ return offset;
+}
+
+
+static const ber_sequence_t SEQUENCE_OF_ASDU_sequence_of[1] = {
+ { &hf_sv_seqASDU_item , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_sv_ASDU },
+};
+
+static int
+dissect_sv_SEQUENCE_OF_ASDU(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
+ SEQUENCE_OF_ASDU_sequence_of, hf_index, ett_sv_SEQUENCE_OF_ASDU);
+
+ return offset;
+}
+
+
+static const ber_sequence_t SavPdu_sequence[] = {
+ { &hf_sv_noASDU , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_sv_INTEGER_0_65535 },
+ { &hf_sv_seqASDU , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_sv_SEQUENCE_OF_ASDU },
+ { NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_sv_SavPdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
+ SavPdu_sequence, hf_index, ett_sv_SavPdu);
+
+ return offset;
+}
+
+
+static const value_string sv_SampledValues_vals[] = {
+ { 0, "savPdu" },
+ { 0, NULL }
+};
+
+static const ber_choice_t SampledValues_choice[] = {
+ { 0, &hf_sv_savPdu , BER_CLASS_APP, 0, BER_FLAGS_IMPLTAG, dissect_sv_SavPdu },
+ { 0, NULL, 0, 0, 0, NULL }
+};
+
+static int
+dissect_sv_SampledValues(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
+ offset = dissect_ber_choice(actx, tree, tvb, offset,
+ SampledValues_choice, hf_index, ett_sv_SampledValues,
+ NULL);
+
+ return offset;
+}
+
+
+/*--- End of included file: packet-sv-fn.c ---*/
+#line 188 "packet-sv-template.c"
+
+/*
+* Dissect SV PDUs inside a PPDU.
+*/
+static void
+dissect_sv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+ int offset = 0;
+ int old_offset;
+ proto_item *item = NULL;
+ proto_tree *tree = NULL;
+ asn1_ctx_t asn1_ctx;
+
+ asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
+
+ if (parent_tree){
+ item = proto_tree_add_item(parent_tree, proto_sv, tvb, 0, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_sv);
+ }
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ /* APPID */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 2)
+ proto_tree_add_item(tree, hf_sv_appid, tvb, offset, 2, FALSE);
+
+ /* Length */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 4)
+ proto_tree_add_item(tree, hf_sv_length, tvb, offset + 2, 2, FALSE);
+
+ /* Reserved 1 */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 6)
+ proto_tree_add_item(tree, hf_sv_reserve1, tvb, offset + 4, 2, FALSE);
+
+ /* Reserved 2 */
+ if (tree && tvb_reported_length_remaining(tvb, offset) >= 8)
+ proto_tree_add_item(tree, hf_sv_reserve2, tvb, offset + 6, 2, FALSE);
+
+ offset = 8;
+ while (tree && tvb_reported_length_remaining(tvb, offset) > 0){
+ old_offset = offset;
+ offset = dissect_sv_SampledValues(FALSE, tvb, offset, &asn1_ctx , tree, -1);
+ if (offset == old_offset) {
+ proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte SV PDU");
+ offset = tvb_length(tvb);
+ break;
+ }
+ }
+
+ if(tree)
+ tap_queue_packet(sv_tap, pinfo, &sv_data);
+}
+
+
+/*--- proto_register_sv -------------------------------------------*/
+void proto_register_sv(void) {
+
+ /* List of fields */
+ static hf_register_info hf[] = {
+ { &hf_sv_appid,
+ { "APPID", "sv.appid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }},
+
+ { &hf_sv_length,
+ { "Length", "sv.length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+
+ { &hf_sv_reserve1,
+ { "Reserved 1", "sv.reserve1", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, "", HFILL }},
+
+ { &hf_sv_reserve2,
+ { "Reserved 2", "sv.reserve2", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, "", HFILL }},
+
+ { &hf_sv_phmeas_instmag_i,
+ { "value", "sv.meas_value", FT_INT32, BASE_DEC, NULL, 0x0, "", HFILL}},
+
+ { &hf_sv_phsmeas_q,
+ { "quality", "sv.meas_quality", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_validity,
+ { "validity", "sv.meas_quality.validity", FT_UINT32, BASE_HEX, VALS(sv_q_validity_vals), Q_VALIDITY_MASK, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_overflow,
+ { "overflow", "sv.meas_quality.overflow", FT_BOOLEAN, 32, NULL, Q_OVERFLOW, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_outofrange,
+ { "out of range", "sv.meas_quality.outofrange", FT_BOOLEAN, 32, NULL, Q_OUTOFRANGE, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_badreference,
+ { "bad reference", "sv.meas_quality.badreference", FT_BOOLEAN, 32, NULL, Q_BADREFERENCE, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_oscillatory,
+ { "oscillatory", "sv.meas_quality.oscillatory", FT_BOOLEAN, 32, NULL, Q_OSCILLATORY, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_failure,
+ { "failure", "sv.meas_quality.failure", FT_BOOLEAN, 32, NULL, Q_FAILURE, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_olddata,
+ { "old data", "sv.meas_quality.olddata", FT_BOOLEAN, 32, NULL, Q_OLDDATA, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_inconsistent,
+ { "inconsistent", "sv.meas_quality.inconsistent", FT_BOOLEAN, 32, NULL, Q_INCONSISTENT, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_inaccurate,
+ { "inaccurate", "sv.meas_quality.inaccurate", FT_BOOLEAN, 32, NULL, Q_INACCURATE, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_source,
+ { "source", "sv.meas_quality.source", FT_UINT32, BASE_HEX, VALS(sv_q_source_vals), Q_SOURCE_MASK, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_test,
+ { "test", "sv.meas_quality.teset", FT_BOOLEAN, 32, NULL, Q_TEST, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_operatorblocked,
+ { "operator blocked", "sv.meas_quality.operatorblocked", FT_BOOLEAN, 32, NULL, Q_OPERATORBLOCKED, "", HFILL}},
+
+ { &hf_sv_phsmeas_q_derived,
+ { "derived", "sv.meas_quality.derived", FT_BOOLEAN, 32, NULL, Q_DERIVED, "", HFILL}},
+
+
+
+/*--- Included file: packet-sv-hfarr.c ---*/
+#line 1 "packet-sv-hfarr.c"
+ { &hf_sv_savPdu,
+ { "savPdu", "sv.savPdu",
+ FT_NONE, BASE_NONE, NULL, 0,
+ "sv.SavPdu", HFILL }},
+ { &hf_sv_noASDU,
+ { "noASDU", "sv.noASDU",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "sv.INTEGER_0_65535", HFILL }},
+ { &hf_sv_seqASDU,
+ { "seqASDU", "sv.seqASDU",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "sv.SEQUENCE_OF_ASDU", HFILL }},
+ { &hf_sv_seqASDU_item,
+ { "seqASDU", "sv.seqASDU_item",
+ FT_NONE, BASE_NONE, NULL, 0,
+ "sv.ASDU", HFILL }},
+ { &hf_sv_svID,
+ { "svID", "sv.svID",
+ FT_STRING, BASE_NONE, NULL, 0,
+ "sv.VisibleString", HFILL }},
+ { &hf_sv_smpCnt,
+ { "smpCnt", "sv.smpCnt",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "sv.T_smpCnt", HFILL }},
+ { &hf_sv_confRef,
+ { "confRef", "sv.confRef",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "sv.INTEGER_0_4294967295", HFILL }},
+ { &hf_sv_smpSynch,
+ { "smpSynch", "sv.smpSynch",
+ FT_INT32, BASE_DEC, VALS(sv_T_smpSynch_vals), 0,
+ "sv.T_smpSynch", HFILL }},
+ { &hf_sv_seqData,
+ { "seqData", "sv.seqData",
+ FT_BYTES, BASE_HEX, NULL, 0,
+ "sv.Data", HFILL }},
+
+/*--- End of included file: packet-sv-hfarr.c ---*/
+#line 308 "packet-sv-template.c"
+ };
+
+ /* List of subtrees */
+ static gint *ett[] = {
+ &ett_sv,
+ &ett_phsmeas,
+ &ett_phsmeas_q,
+
+/*--- Included file: packet-sv-ettarr.c ---*/
+#line 1 "packet-sv-ettarr.c"
+ &ett_sv_SampledValues,
+ &ett_sv_SavPdu,
+ &ett_sv_SEQUENCE_OF_ASDU,
+ &ett_sv_ASDU,
+
+/*--- End of included file: packet-sv-ettarr.c ---*/
+#line 316 "packet-sv-template.c"
+ };
+
+ /* Register protocol */
+ proto_sv = proto_register_protocol(PNAME, PSNAME, PFNAME);
+ register_dissector("sv", dissect_sv, proto_sv);
+
+ /* Register fields and subtrees */
+ proto_register_field_array(proto_sv, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ /* Register tap */
+ sv_tap = register_tap("sv");
+}
+
+/*--- proto_reg_handoff_sv --- */
+void proto_reg_handoff_sv(void) {
+
+ dissector_handle_t sv_handle;
+ sv_handle = find_dissector("sv");
+
+ dissector_add("ethertype", ETHERTYPE_IEC61850_SV, sv_handle);
+}
git.samba.org / metze / wireshark / wip.git / commitdiff