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authorAnders <anders.broman@ericsson.com>2017-09-03 15:38:23 +0200
committerAnders Broman <a.broman58@gmail.com>2017-09-04 10:29:54 +0000
commited75d67394d0641a5b1141cf4e35e86824230e92 (patch)
treeb799220d59780e3dd34538828ac22fe1f9256e8d /epan/dissectors
parent78a14e4c577af3ef0ceb49b53cb495692820cbed (diff)
[PFCP] Add basic dissector for Packet Forwarding Control Protocol (PFCP) 3GPP TS 29.244 V14.0.0 (2017-06)S
Change-Id: Id377870caa7649e19832ea3fd3484ed805c2c9cf Signed-off-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-on: https://code.wireshark.org/review/23375 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/dissectors')
-rw-r--r--epan/dissectors/CMakeLists.txt1
-rw-r--r--epan/dissectors/Makefile.am1
-rw-r--r--epan/dissectors/packet-pfcp.c864
3 files changed, 866 insertions, 0 deletions
diff --git a/epan/dissectors/CMakeLists.txt b/epan/dissectors/CMakeLists.txt
index ed06a99157..29a78d0e06 100644
--- a/epan/dissectors/CMakeLists.txt
+++ b/epan/dissectors/CMakeLists.txt
@@ -1057,6 +1057,7 @@ set(DISSECTOR_SRC
packet-pdcp-lte.c
packet-peekremote.c
packet-per.c
+ packet-pfcp.c
packet-pflog.c
packet-pgm.c
packet-pgsql.c
diff --git a/epan/dissectors/Makefile.am b/epan/dissectors/Makefile.am
index 65af80e6a5..6c589e43f1 100644
--- a/epan/dissectors/Makefile.am
+++ b/epan/dissectors/Makefile.am
@@ -1079,6 +1079,7 @@ DISSECTOR_SRC = \
packet-pdcp-lte.c \
packet-peekremote.c \
packet-per.c \
+ packet-pfcp.c \
packet-pflog.c \
packet-pgm.c \
packet-pgsql.c \
diff --git a/epan/dissectors/packet-pfcp.c b/epan/dissectors/packet-pfcp.c
new file mode 100644
index 0000000000..86c3f8e5fd
--- /dev/null
+++ b/epan/dissectors/packet-pfcp.c
@@ -0,0 +1,864 @@
+/* packet-pfcp.c
+*
+* Routines for Packet Forwarding Control Protocol (PFCP) dissection
+*
+* Copyright 2017, Anders Broman <anders.broman@ericsson.com>
+*
+* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Ref 3GPP TS 29.244 V14.0.0 (2017-06)
+*/
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+#include <epan/sminmpec.h>
+#include <epan/addr_resolv.h> /* Needed for BASE_ENTERPRISES */
+
+#include "packet-ntp.h"
+
+void proto_register_pfcp(void);
+void proto_reg_handoff_pfcp(void);
+
+static dissector_handle_t pfcp_handle;
+static dissector_handle_t pfcp_3gpp_ies_handle;
+
+static int proto_pfcp = -1;
+
+static int hf_pfcp_msg_type = -1;
+static int hf_pfcp_msg_length = -1;
+static int hf_pfcp_hdr_flags = -1;
+static int hf_pfcp_version = -1;
+static int hf_pfcp_mp_flag = -1;
+static int hf_pfcp_s_flag = -1;
+static int hf_pfcp_seid = -1;
+static int hf_pfcp_seqno = -1;
+static int hf_pfcp_mp = -1;
+
+static int hf_pfcp2_ie = -1;
+static int hf_pfcp2_ie_len = -1;
+static int hf_pfcp2_enterprise_ie = -1;
+static int hf_pfcp_enterprice_id = -1;
+
+static int hf_pfcp_spare_b2 = -1;
+static int hf_pfcp_spare_b3 = -1;
+static int hf_pfcp_spare_b4 = -1;
+static int hf_pfcp_spare_oct = -1;
+static int hf_pfcp_spare_h0 = -1;
+
+static int hf_pfcp_recovery_time_stamp = -1;
+
+static int ett_pfcp = -1;
+static int ett_pfcp_flags = -1;
+static int ett_pfcp_ie = -1;
+static int ett_pfcp_grouped_ie = -1;
+
+static expert_field ei_pfcp_ie_reserved = EI_INIT;
+static expert_field ei_pfcp_ie_data_not_decoded = EI_INIT;
+static expert_field ei_pfcp_ie_not_decoded_null = EI_INIT;
+static expert_field ei_pfcp_ie_not_decoded_to_large = EI_INIT;
+static expert_field ei_pfcp_enterprise_ie_3gpp = EI_INIT;
+
+
+static dissector_table_t pfcp_enterprise_ies_dissector_table;
+
+static void dissect_pfcp_ies_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint offset, guint8 message_type);
+
+#define PFCP_MSG_RESERVED_0 0
+
+static const value_string pfcp_message_type[] = {
+ {PFCP_MSG_RESERVED_0, "Reserved"},
+ /* Sx Node related messages */
+
+ { 1, "Sx Heartbeat Request"},
+ { 2, "Sx Heartbeat Response"},
+ { 3, "Sx PFD Management Request"},
+ { 4, "Sx PFD Management Response"},
+ { 5, "Sx Association Setup Request"},
+ { 6, "Sx Association Setup Response"},
+ { 7, "Sx Association Update Request"},
+ { 8, "Sx Association Update Response"},
+ { 9, "Sx Association Release Request"},
+ { 10, "Sx Association Release Response"},
+ { 11, "Sx Version Not Supported Response"},
+ { 12, "Sx Node Report Request"},
+ { 13, "Sx Node Report Response"},
+ { 14, "Sx Session Set Deletion Request"},
+ { 15, "Sx Session Set Deletion Response"},
+ //16 to 49 For future use
+ //Sx Session related messages
+ { 50, "Sx Session Establishment Request"},
+ { 51, "Sx Session Establishment Response"},
+ { 52, "Sx Session Modification Request"},
+ { 53, "Sx Session Modification Response"},
+ { 54, "Sx Session Deletion Request"},
+ { 55, "Sx Session Deletion Response"},
+ { 56, "Sx Session Report Request"},
+ { 57, "Sx Session Report Response"},
+ //58 to 99 For future use
+ //Other messages
+ //100 to 255 For future use
+ {0, NULL}
+};
+static value_string_ext pfcp_message_type_ext = VALUE_STRING_EXT_INIT(pfcp_message_type);
+
+/* 8.1.2 Information Element Types */
+
+static const value_string pfcp_ie_type[] = {
+
+ { 0, "Reserved"},
+ { 1, "Create PDR"}, /* Extendable / Table 7.5.2.2-1 */
+ { 2, "PDI"}, /* Extendable / Table 7.5.2.2-2 */
+ { 3, "Create FAR"}, /* Extendable / Table 7.5.2.3-1 */
+ { 4, "Forwarding Parameters"}, /* Extendable / Table 7.5.2.3-2 */
+ { 5, "Duplicating Parameters"}, /* Extendable / Table 7.5.2.3-3 */
+ { 6, "Create URR"}, /* Extendable / Table 7.5.2.4-1 */
+ { 7, "Create QER"}, /* Extendable / Table 7.5.2.5-1 */
+ { 8, "Created PDR"}, /* Extendable / Table 7.5.3.2-1 */
+ { 9, "Update PDR" }, /* Extendable / Table 7.5.4.2-1 */
+ { 10, "Update FAR" }, /* Extendable / Table 7.5.4.3-1 */
+ { 11, "Update Forwarding Parameters" }, /* Extendable / Table 7.5.4.3-2 */
+ { 12, "Update BAR (Sx Session Report Response)" }, /* Extendable / Table 7.5.9.2-1 */
+ { 13, "Update URR" }, /* Extendable / Table 7.5.4.4 */
+ { 14, "Update QER" }, /* Extendable / Table 7.5.4.5 */
+ { 15, "Remove PDR" }, /* Extendable / Table 7.5.4.6 */
+ { 16, "Remove FAR" }, /* Extendable / Table 7.5.4.7 */
+ { 17, "Remove URR" }, /* Extendable / Table 7.5.4.8 */
+ { 18, "Remove QER" }, /* Extendable / Table 7.5.4.9 */
+ { 19, "Cause" }, /* Fixed / Subclause 8.2.1 */
+ { 20, "Source Interface" }, /* Extendable / Subclause 8.2.2 */
+ { 21, "F-TEID" }, /* Extendable / Subclause 8.2.3 */
+ { 22, "PDN Instance" }, /* Variable Length / Subclause 8.2.4 */
+ { 23, "SDF Filter" }, /* Extendable / Subclause 8.2.5 */
+ { 24, "Application ID" }, /* Variable Length / Subclause 8.2.6 */
+ { 25, "Gate Status" }, /* Extendable / Subclause 8.2.7 */
+ { 26, "MBR" }, /* Extendable / Subclause 8.2.8 */
+ { 27, "GBR" }, /* Extendable / Subclause 8.2.9 */
+ { 28, "QER Correlation ID" }, /* Extendable / Subclause 8.2.10 */
+ { 29, "Precedence" }, /* Extendable / Subclause 8.2.11 */
+ { 30, "DL Transport Level Marking" }, /* Extendable / Subclause 8.2.12 */
+ { 31, "Volume Threshold" }, /* Extendable /Subclause 8.2.13 */
+ { 32, "Time Threshold" }, /* Extendable /Subclause 8.2.14 */
+ { 33, "Monitoring Time" }, /* Extendable /Subclause 8.2.15 */
+ { 34, "Subsequent Volume Threshold" }, /* Extendable /Subclause 8.2.16 */
+ { 35, "Subsequent Time Threshold" }, /* Extendable /Subclause 8.2.17 */
+ { 36, "Inactivity Detection Time" }, /* Extendable /Subclause 8.2.18 */
+ { 37, "Reporting Triggers" }, /* Extendable /Subclause 8.2.19 */
+ { 38, "Redirect Information" }, /* Extendable /Subclause 8.2.20 */
+ { 39, "Report Type" }, /* Extendable / Subclause 8.2.21 */
+ { 40, "Offending IE" }, /* Fixed / Subclause 8.2.22 */
+ { 41, "Forwarding Policy" }, /* Extendable / Subclause 8.2.23 */
+ { 42, "Destination Interface" }, /* Extendable / Subclause 8.2.24 */
+ { 43, "UP Function Features" }, /* Extendable / Subclause 8.2.25 */
+ { 44, "Apply Action" }, /* Extendable / Subclause 8.2.26 */
+ { 45, "Downlink Data Service Information" }, /* Extendable / Subclause 8.2.27 */
+ { 46, "Downlink Data Notification Delay" }, /* Extendable / Subclause 8.2.28 */
+ { 47, "DL Buffering Duration" }, /* Extendable / Subclause 8.2.29 */
+ { 48, "DL Buffering Suggested Packet Count" }, /* Variable / Subclause 8.2.30 */
+ { 49, "SxSMReq-Flags" }, /* Extendable / Subclause 8.2.31 */
+ { 50, "SxSRRsp-Flags" }, /* Extendable / Subclause 8.2.32 */
+ { 51, "Load Control Information" }, /* Extendable / Table 7.5.3.3-1 */
+ { 52, "Sequence Number" }, /* Fixed Length / Subclause 8.2.33 */
+ { 53, "Metric" }, /* Fixed Length / Subclause 8.2.34 */
+ { 54, "Overload Control Information" }, /* Extendable / Table 7.5.3.4-1 */
+ { 55, "Timer" }, /* Extendable / Subclause 8.2 35 */
+ { 56, "Packet Detection Rule ID" }, /* Extendable / Subclause 8.2 36 */
+ { 57, "F-SEID" }, /* Extendable / Subclause 8.2 37 */
+ { 58, "Application ID's PFDs" }, /* Extendable / Table 7.4.3.1-2 */
+ { 59, "PFD context" }, /* Extendable / Table 7.4.3.1-3 */
+ { 60, "Node ID" }, /* Extendable / Subclause 8.2.38 */
+ { 61, "PFD contents" }, /* Extendable / Subclause 8.2.39 */
+ { 62, "Measurement Method" }, /* Extendable / Subclause 8.2.40 */
+ { 63, "Usage Report Trigger" }, /* Extendable / Subclause 8.2.41 */
+ { 64, "Measurement Period" }, /* Extendable / Subclause 8.2.42 */
+ { 65, "FQ-CSID" }, /* Extendable / Subclause 8.2.43 */
+ { 66, "Volume Measurement" }, /* Extendable / Subclause 8.2.44 */
+ { 67, "Duration Measurement" }, /* Extendable / Subclause 8.2.45 */
+ { 68, "Application Detection Information" }, /* Extendable / Table 7.5.8.3-2 */
+ { 69, "Time of First Packet" }, /* Extendable / Subclause 8.2.46 */
+ { 70, "Time of Last Packet" }, /* Extendable / Subclause 8.2.47 */
+ { 71, "Quota Holding Time" }, /* Extendable / Subclause 8.2.48 */
+ { 72, "Dropped DL Traffic Threshold" }, /* Extendable / Subclause 8.2.49 */
+ { 73, "Volume Quota" }, /* Extendable / Subclause 8.2.50 */
+ { 74, "Time Quota" }, /* Extendable / Subclause 8.2.51 */
+ { 75, "Start Time" }, /* Extendable / Subclause 8.2.52 */
+ { 76, "End Time" }, /* Extendable / Subclause 8.2.53 */
+ { 77, "Query URR" }, /* Extendable / Table 7.5.4.10-1 */
+ { 78, "Usage Report (in Session Modification Response)" }, /* Extendable / Table 7.5.5.2-1 */
+ { 79, "Usage Report (Session Deletion Response)" }, /* Extendable / Table 7.5.7.2-1 */
+ { 80, "Usage Report (Session Report Request)" }, /* Extendable / Table 7.5.8.3-1 */
+ { 81, "URR ID" }, /* Extendable / Subclause 8.2.54 */
+ { 82, "Linked URR ID" }, /* Extendable / Subclause 8.2.55 */
+ { 83, "Downlink Data Report" }, /* Extendable / Table 7.5.8.2-1 */
+ { 84, "Outer Header Creation" }, /* Extendable / Subclause 8.2.56 */
+ { 85, "Create BAR" }, /* Extendable / Table 7.5.2.6-1 */
+ { 86, "Update BAR (Session Modification Request)" }, /* Extendable / Table 7.5.4.11-1 */
+ { 87, "Remove BAR" }, /* Extendable / Table 7.5.4.12-1 */
+ { 88, "BAR ID" }, /* Extendable / Subclause 8.2.57 */
+ { 89, "CP Function Features" }, /* Extendable / Subclause 8.2.58 */
+ { 90, "Usage Information" }, /* Extendable / Subclause 8.2.59 */
+ { 91, "Application Instance ID" }, /* Variable Length / Subclause 8.2.60 */
+ { 92, "Flow Information" }, /* Extendable / Subclause 8.2.61 */
+ { 93, "UE IP Address" }, /* Extendable / Subclause 8.2.62 */
+ { 94, "Packet Rate" }, /* Extendable / Subclause 8.2.63 */
+ { 95, "Outer Header Removal" }, /* Extendable / Subclause 8.2.64 */
+ { 96, "Recovery Time Stamp" }, /* Extendable / Subclause 8.2.65 */
+ { 97, "DL Flow Level Marking" }, /* Extendable / Subclause 8.2.66 */
+ { 98, "Header Enrichment" }, /* Extendable / Subclause 8.2.67 */
+ { 99, "Error Indication Report" }, /* Extendable / Table 7.5.8.4-1 */
+ { 100, "Measurement Information" }, /* Extendable / Subclause 8.2.68 */
+ { 101, "Node Report Type" }, /* Extendable / Subclause 8.2.69 */
+ { 102, "User Plane Path Failure Report" }, /* Extendable / Table 7.4.5.1.2-1 */
+ { 103, "Remote GTP-U Peer" }, /* Extendable / Subclause 8.2.70 */
+ { 104, "UR-SEQN" }, /* Fixed Length / Subclause 8.2.71 */
+ { 105, "Update Duplicating Parameters" }, /* Extendable / Table 7.5.4.3-3 */
+ { 106, "Activate Predefined Rules" }, /* Variable Length / Subclause 8.2.72 */
+ { 107, "Deactivate Predefined Rules" }, /* Variable Length / Subclause 8.2.73 */
+ { 108, "FAR ID" }, /* Extendable / Subclause 8.2.74 */
+ { 109, "QER ID" }, /* Extendable / Subclause 8.2.75 */
+ { 110, "OCI Flags" }, /* Extendable / Subclause 8.2.76 */
+ { 111, "Sx Association Release Request" }, /* Extendable / Subclause 8.2.77 */
+ { 112, "Graceful Release Period" }, /* Extendable / Subclause 8.2.78 */
+ //113 to 65535 Spare. For future use.
+ {0, NULL}
+};
+
+static value_string_ext pfcp_ie_type_ext = VALUE_STRING_EXT_INIT(pfcp_ie_type);
+
+static void
+dissect_pfcp_reserved(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_reserved, tvb, 0, length);
+}
+
+/*
+ * 8.2.1 Cause
+ */
+/*
+ * 8.2.2 Source Interface
+ */
+ /*
+ * 8.2.3 F-SEID
+ */
+static void
+dissect_pfcp_f_seid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, 0, length);
+}
+/*
+ * 8.2.4 PDN Instance
+ */
+/*
+ * 8.2.5 SDF Filter
+ * 8.2.6 Application ID
+ * 8.2.7 Gate Status
+ * 8.2.8 MBR
+ * 8.2.9 GBR
+ * 8.2.10 QER Correlation ID
+ * 8.2.11 Precedence
+ * 8.2.12 DL Transport Level Marking
+ * 8.2.13 Volume Threshold
+ * 8.2.14 Time Threshold
+ * 8.2.15 Monitoring Time
+ * 8.2.16 Subsequent Volume Threshold
+ * 8.2.17 Subsequent Time Threshold
+ * 8.2.18 Inactivity Detection Time
+ * 8.2.19 Reporting Triggers
+ * 8.2.20 Redirect Information
+ * 8.2.21 Report Type
+ * 8.2.22 Offending IE
+ * 8.2.23 Forwarding Policy
+ * 8.2.24 Destination Interface
+ * 8.2.25 UP Function Features
+ * 8.2.26 Apply Action
+ * 8.2.27 Downlink Data Service Information
+ * 8.2.28 Downlink Data Notification Delay
+ * 8.2.29 DL Buffering Duration
+ * 8.2.30 DL Buffering Suggested Packet Count
+ * 8.2.31 SxSMReq-Flags
+ * 8.2.32 SxSRRsp-Flags
+ * 8.2.33 Sequence Number
+ * 8.2.34 Metric
+ * 8.2.35 Timer
+ * 8.2.36 Packet Detection Rule ID (PDR ID)
+ * 8.2.37 F-SEID
+ */
+ /*
+ * 8.2.38 Node ID
+ */
+static void
+dissect_pfcp_node_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, 0, length);
+}
+/*
+ * 8.2.39 PFD Contents
+ * 8.2.40 Measurement Method
+ * 8.2.41 Usage Report Trigger
+ * 8.2.42 Measurement Period
+ * 8.2.43 Fully qualified PDN Connection Set Identifier (FQ-CSID)
+ * 8.2.44 Volume Measurement
+ * 8.2.45 Duration Measurement
+ * 8.2.46 Time of First Packet
+ * 8.2.47 Time of Last Packet
+ * 8.2.48 Quota Holding Time
+ * 8.2.49 Dropped DL Traffic Threshold
+ * 8.2.50 Volume Quota
+ * 8.2.51 Time Quota
+ * 8.2.52 Start Time
+ * 8.2.53 End Time
+ * 8.2.54 URR ID
+ * 8.2.55 Linked URR ID IE
+ * 8.2.56 Outer Header Creation
+ * 8.2.57 BAR ID
+ * 8.2.58 CP Function Features
+ * 8.2.59 Usage Information
+ * 8.2.60 Application Instance ID
+ * 8.2.61 Flow Information
+ * 8.2.62 UE IP Address
+ * 8.2.63 Packet Rate
+ * 8.2.64 Outer Header Removal
+ */
+ /*
+ * 8.2.65 Recovery Time Stamp
+ */
+
+static void
+dissect_pfcp_recovery_time_stamp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_)
+{
+ const gchar *time_str;
+ int offset = 0;
+
+ /* indicates the UTC time when the node started. Octets 5 to 8 are encoded in the same format as
+ * the first four octets of the 64-bit timestamp format as defined in section 6 of IETF RFC 5905 [26].
+ */
+ time_str = tvb_ntp_fmt_ts_sec(tvb, 0);
+ proto_tree_add_string(tree, hf_pfcp_recovery_time_stamp, tvb, offset, 4, time_str);
+ proto_item_append_text(item, "%s", time_str);
+ offset += 4;
+
+ if (offset < length) {
+ proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
+ }
+
+}
+/*
+ * 8.2.66 DL Flow Level Marking
+ * 8.2.67 Header Enrichment
+ * 8.2.68 Measurement Information
+ * 8.2.69 Node Report Type
+ * 8.2.70 Remote GTP-U Peer
+ * 8.2.71 UR-SEQN
+ * 8.2.72 Activate Predefined Rules
+ * 8.2.73 Deactivate Predefined Rules
+ * 8.2.74 FAR ID
+ * 8.2.75 QER ID
+ * 8.2.76 OCI Flag
+ * 8.2.77 Sx Association Release Request
+ * 8.2.78 Graceful Release Period
+*/
+
+/* 7.2.3.3 Grouped Information Elements */
+static void
+dissect_pfcp_grouped_ie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type)
+{
+ int offset = 0;
+ tvbuff_t *new_tvb;
+ proto_tree *grouped_tree;
+
+ proto_item_append_text(item, "[Grouped IE]");
+ grouped_tree = proto_item_add_subtree(tree, ett_pfcp_grouped_ie);
+
+ new_tvb = tvb_new_subset_length(tvb, offset, length);
+ dissect_pfcp_ies_common(new_tvb, pinfo, grouped_tree, 0, message_type);
+
+}
+
+
+/* Array of functions to dissect IEs
+* (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type)
+*/
+typedef struct _pfcp_ie {
+ void(*decode) (tvbuff_t *, packet_info *, proto_tree *, proto_item *, guint16, guint8);
+} pfcp_ie_t;
+
+static const pfcp_ie_t pfcp_ies[] = {
+/* 0 */ { dissect_pfcp_reserved },
+/* 1 */ { dissect_pfcp_grouped_ie }, /* Create PDR Extendable / Table 7.5.2.2-1 */
+/* 2 */ { NULL }, /* PDI Extendable / Table 7.5.2.2-2 */
+/* 3 */ { NULL }, /* Create FAR Extendable / Table 7.5.2.3-1 */
+/* 4 */ { NULL }, /* Forwarding Parameters Extendable / Table 7.5.2.3-2 */
+/* 5 */ { NULL }, /* Duplicating Parameters Extendable / Table 7.5.2.3-3 */
+/* 6 */ { NULL }, /* Create URR Extendable / Table 7.5.2.4-1 */
+/* 7 */ { NULL }, /* Create QER Extendable / Table 7.5.2.5-1 */
+/* 8 */ { NULL }, /* Created PDR Extendable / Table 7.5.3.2-1 */
+/* 9 */ { NULL }, /* Update PDR Extendable / Table 7.5.4.2-1 */
+/* 10 */ { NULL }, /* Update FAR Extendable / Table 7.5.4.3-1 */
+/* 11 */ { NULL }, /* Update Forwarding Parameters Extendable / Table 7.5.4.3-2 */
+/* 12 */ { NULL }, /* Update BAR (Sx Session Report Response) Extendable / Table 7.5.9.2-1 */
+/* 13 */ { NULL }, /* Update URR Extendable / Table 7.5.4.4 */
+/* 14 */ { NULL }, /* Update QER Extendable / Table 7.5.4.5 */
+/* 15 */ { NULL }, /* Remove PDR Extendable / Table 7.5.4.6 */
+/* 16 */ { NULL }, /* Remove FAR Extendable / Table 7.5.4.7 */
+/* 17 */ { NULL }, /* Remove URR Extendable / Table 7.5.4.8 */
+/* 18 */ { NULL }, /* Remove QER Extendable / Table 7.5.4.9 */
+/* 19 */ { NULL }, /* Cause Fixed / Subclause 8.2.1 */
+/* 20 */ { NULL }, /* Source Interface Extendable / Subclause 8.2.2 */
+/* 21 */ { NULL }, /* F-TEID Extendable / Subclause 8.2.3 */
+/* 22 */ { NULL }, /* PDN Instance Variable Length / Subclause 8.2.4 */
+/* 23 */ { NULL }, /* SDF Filter Extendable / Subclause 8.2.5 */
+/* 24 */ { NULL }, /* Application ID Variable Length / Subclause 8.2.6 */
+/* 25 */ { NULL }, /* Gate Status Extendable / Subclause 8.2.7 */
+/* 26 */ { NULL }, /* MBR Extendable / Subclause 8.2.8 */
+/* 27 */ { NULL }, /* GBR Extendable / Subclause 8.2.9 */
+/* 28 */ { NULL }, /* QER Correlation ID Extendable / Subclause 8.2.10 */
+/* 29 */ { NULL }, /* Precedence Extendable / Subclause 8.2.11 */
+/* 30 */ { NULL }, /* DL Transport Level Marking Extendable / Subclause 8.2.12 */
+/* 31 */ { NULL }, /* Volume Threshold Extendable /Subclause 8.2.13 */
+/* 32 */ { NULL }, /* Time Threshold Extendable /Subclause 8.2.14 */
+/* 33 */ { NULL }, /* Monitoring Time Extendable /Subclause 8.2.15 */
+/* 34 */ { NULL }, /* Subsequent Volume Threshold Extendable /Subclause 8.2.16 */
+/* 35 */ { NULL }, /* Subsequent Time Threshold Extendable /Subclause 8.2.17 */
+/* 36 */ { NULL }, /* Inactivity Detection Time Extendable /Subclause 8.2.18 */
+/* 37 */ { NULL }, /* Reporting Triggers Extendable /Subclause 8.2.19 */
+/* 38 */ { NULL }, /* Redirect Information Extendable /Subclause 8.2.20 */
+/* 39 */ { NULL }, /* Report Type Extendable / Subclause 8.2.21 */
+/* 40 */ { NULL }, /* Offending IE Fixed / Subclause 8.2.22 */
+/* 41 */ { NULL }, /* Forwarding Policy Extendable / Subclause 8.2.23 */
+/* 42 */ { NULL }, /* Destination Interface Extendable / Subclause 8.2.24 */
+/* 43 */ { NULL }, /* UP Function Features Extendable / Subclause 8.2.25 */
+/* 44 */ { NULL }, /* Apply Action Extendable / Subclause 8.2.26 */
+/* 45 */ { NULL }, /* Downlink Data Service Information Extendable / Subclause 8.2.27 */
+/* 46 */ { NULL }, /* Downlink Data Notification Delay Extendable / Subclause 8.2.28 */
+/* 47 */ { NULL }, /* DL Buffering Duration Extendable / Subclause 8.2.29 */
+/* 48 */ { NULL }, /* DL Buffering Suggested Packet Count Variable / Subclause 8.2.30 */
+/* 49 */ { NULL }, /* SxSMReq-Flags Extendable / Subclause 8.2.31 */
+/* 50 */ { NULL }, /* SxSRRsp-Flags Extendable / Subclause 8.2.32 */
+/* 51 */ { NULL }, /* Load Control Information Extendable / Table 7.5.3.3-1 */
+/* 52 */ { NULL }, /* Sequence Number Fixed Length / Subclause 8.2.33 */
+/* 53 */ { NULL }, /* Metric Fixed Length / Subclause 8.2.34 */
+/* 54 */ { NULL }, /* Overload Control Information Extendable / Table 7.5.3.4-1 */
+/* 55 */ { NULL }, /* Timer Extendable / Subclause 8.2 35 */
+/* 56 */ { NULL }, /* Packet Detection Rule ID Extendable / Subclause 8.2 36 */
+/* 57 */ { dissect_pfcp_f_seid }, /* F-SEID Extendable / Subclause 8.2 37 */
+/* 58 */ { NULL }, /* Application ID's PFDs Extendable / Table 7.4.3.1-2 */
+/* 59 */ { NULL }, /* PFD context Extendable / Table 7.4.3.1-3 */
+/* 60 */ { dissect_pfcp_node_id }, /* Node ID Extendable / Subclause 8.2.38 */
+/* 61 */ { NULL }, /* PFD contents Extendable / Subclause 8.2.39 */
+/* 62 */ { NULL }, /* Measurement Method Extendable / Subclause 8.2.40 */
+/* 63 */ { NULL }, /* Usage Report Trigger Extendable / Subclause 8.2.41 */
+/* 64 */ { NULL }, /* Measurement Period Extendable / Subclause 8.2.42 */
+/* 65 */ { NULL }, /* FQ-CSID Extendable / Subclause 8.2.43 */
+/* 66 */ { NULL }, /* Volume Measurement Extendable / Subclause 8.2.44 */
+/* 67 */ { NULL }, /* Duration Measurement Extendable / Subclause 8.2.45 */
+/* 68 */ { NULL }, /* Application Detection Information Extendable / Table 7.5.8.3-2 */
+/* 69 */ { NULL }, /* Time of First Packet Extendable / Subclause 8.2.46 */
+/* 70 */ { NULL }, /* Time of Last Packet Extendable / Subclause 8.2.47 */
+/* 71 */ { NULL }, /* Quota Holding Time Extendable / Subclause 8.2.48 */
+/* 72 */ { NULL }, /* Dropped DL Traffic Threshold Extendable / Subclause 8.2.49 */
+/* 73 */ { NULL }, /* Volume Quota Extendable / Subclause 8.2.50 */
+/* 74 */ { NULL }, /* Time Quota Extendable / Subclause 8.2.51 */
+/* 75 */ { NULL }, /* Start Time Extendable / Subclause 8.2.52 */
+/* 76 */ { NULL }, /* End Time Extendable / Subclause 8.2.53 */
+/* 77 */ { NULL }, /* Query URR Extendable / Table 7.5.4.10-1 */
+/* 78 */ { NULL }, /* Usage Report (in Session Modification Response) Extendable / Table 7.5.5.2-1 */
+/* 79 */ { NULL }, /* Usage Report (Session Deletion Response) Extendable / Table 7.5.7.2-1 */
+/* 80 */ { NULL }, /* Usage Report (Session Report Request) Extendable / Table 7.5.8.3-1 */
+/* 81 */ { NULL }, /* URR ID Extendable / Subclause 8.2.54 */
+/* 82 */ { NULL }, /* Linked URR ID Extendable / Subclause 8.2.55 */
+/* 83 */ { NULL }, /* Downlink Data Report Extendable / Table 7.5.8.2-1 */
+/* 84 */ { NULL }, /* Outer Header Creation Extendable / Subclause 8.2.56 */
+/* 85 */ { NULL }, /* Create BAR Extendable / Table 7.5.2.6-1 */
+/* 86 */ { NULL }, /* Update BAR (Session Modification Request) Extendable / Table 7.5.4.11-1 */
+/* 87 */ { NULL }, /* Remove BAR Extendable / Table 7.5.4.12-1 */
+/* 88 */ { NULL }, /* BAR ID Extendable / Subclause 8.2.57 */
+/* 89 */ { NULL }, /* CP Function Features Extendable / Subclause 8.2.58 */
+/* 90 */ { NULL }, /* Usage Information Extendable / Subclause 8.2.59 */
+/* 91 */ { NULL }, /* Application Instance ID Variable Length / Subclause 8.2.60 */
+/* 92 */ { NULL }, /* Flow Information Extendable / Subclause 8.2.61 */
+/* 93 */ { NULL }, /* UE IP Address Extendable / Subclause 8.2.62 */
+/* 94 */ { NULL }, /* Packet Rate Extendable / Subclause 8.2.63 */
+/* 95 */ { NULL }, /* Outer Header Removal Extendable / Subclause 8.2.64 */
+/* 96 */ { dissect_pfcp_recovery_time_stamp }, /* Recovery Time Stamp Extendable / Subclause 8.2.65 */
+/* 97 */ { NULL }, /* DL Flow Level Marking Extendable / Subclause 8.2.66 */
+/* 98 */ { NULL }, /* Header Enrichment Extendable / Subclause 8.2.67 */
+/* 99 */ { NULL }, /* Error Indication Report Extendable / Table 7.5.8.4-1 */
+/* 100 */ { NULL }, /* Measurement Information Extendable / Subclause 8.2.68 */
+/* 101 */ { NULL }, /* Node Report Type Extendable / Subclause 8.2.69 */
+/* 102 */ { NULL }, /* User Plane Path Failure Report Extendable / Table 7.4.5.1.2-1 */
+/* 103 */ { NULL }, /* Remote GTP-U Peer Extendable / Subclause 8.2.70 */
+/* 104 */ { NULL }, /* UR-SEQN Fixed Length / Subclause 8.2.71 */
+/* 105 */ { NULL }, /* Update Duplicating Parameters Extendable / Table 7.5.4.3-3 */
+/* 106 */ { NULL }, /* Activate Predefined Rules Variable Length / Subclause 8.2.72 */
+/* 107 */ { NULL }, /* Deactivate Predefined Rules Variable Length / Subclause 8.2.73 */
+/* 108 */ { NULL }, /* FAR ID Extendable / Subclause 8.2.74 */
+/* 109 */ { NULL }, /* QER ID Extendable / Subclause 8.2.75 */
+/* 110 */ { NULL }, /* OCI Flags Extendable / Subclause 8.2.76 */
+/* 111 */ { NULL }, /* Sx Association Release Request Extendable / Subclause 8.2.77 */
+/* 112 */ { NULL }, /* Graceful Release Period Extendable / Subclause 8.2.78 */
+ { NULL }, /* End of List */
+};
+
+#define NUM_PFCP_IES (sizeof(pfcp_ies)/sizeof(pfcp_ie_t))
+
+static void
+dissect_pfcp_ies_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint offset, guint8 message_type)
+{
+ proto_tree *ie_tree;
+ proto_item *ti;
+ tvbuff_t *ie_tvb;
+ guint16 type, length, enterprise_type;
+ guint16 enterprise_id;
+
+ /* 8.1.1 Information Element Format */
+ /*
+ Octets 8 7 6 5 4 3 2 1
+ 1 to 2 Type = xxx (decimal)
+ 3 to 4 Length = n
+ p to (p+1) Enterprise ID
+ k to (n+4) IE specific data or content of a grouped IE
+
+ If the Bit 8 of Octet 1 is not set, this indicates that the IE is defined by 3GPP and the Enterprise ID is absent.
+ If Bit 8 of Octet 1 is set, this indicates that the IE is defined by a vendor and the Enterprise ID is present
+ identified by the Enterprise ID
+ */
+
+ /*Enterprise ID : if the IE type value is within the range of 32768 to 65535,
+ * this field shall contain the IANA - assigned "SMI Network Management Private Enterprise Codes"
+ * value of the vendor defining the IE.
+ */
+ /* Length: this field contains the length of the IE excluding the first four octets, which are common for all IEs */
+
+ /* Process the IEs*/
+ while (offset < (gint)tvb_reported_length(tvb)) {
+ /* Octet 1 -2 */
+ type = tvb_get_ntohs(tvb, offset);
+ length = tvb_get_ntohs(tvb, offset + 2);
+
+ if ((type & 0x8000) == 0x8000 ) {
+ enterprise_id = tvb_get_ntohs(tvb, offset + 4);
+ enterprise_type = (type & 0x8000);
+ ie_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 + length, ett_pfcp_ie, &ti, "Enterprise %s specific IE: %u",
+ try_enterprises_lookup(enterprise_id),
+ enterprise_type);
+
+ proto_tree_add_item(ie_tree, hf_pfcp2_enterprise_ie, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(ie_tree, hf_pfcp2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ /* Bit 8 of Octet 1 is set, this indicates that the IE is defined by a vendor and the Enterprise ID is present */
+ proto_tree_add_item(ie_tree, hf_pfcp_enterprice_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ /* give the whole IE to the subdissector */
+ ie_tvb = tvb_new_subset_remaining(tvb, offset-6);
+ dissector_try_uint_new(pfcp_enterprise_ies_dissector_table, enterprise_id, ie_tvb, pinfo, ie_tree, FALSE, ti);
+ offset += length;
+ }
+ else {
+ ie_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 + length, ett_pfcp_ie, &ti, "%s : ",
+ val_to_str_ext_const(type, &pfcp_ie_type_ext, "Unknown"));
+
+ proto_tree_add_item(ie_tree, hf_pfcp2_ie, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(ie_tree, hf_pfcp2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ if (type < (NUM_PFCP_IES -1)) {
+ ie_tvb = tvb_new_subset_remaining(tvb, offset);
+ if(pfcp_ies[type].decode){
+ (*pfcp_ies[type].decode) (ie_tvb, pinfo, ie_tree, ti, length, message_type);
+ } else {
+ /* NULL function pointer, we have no decoding function*/
+ proto_tree_add_expert(ie_tree, pinfo, &ei_pfcp_ie_not_decoded_null, tvb, offset, length);
+ }
+ } else {
+ /* IE id outside of array, We have no decoding function for it */
+ proto_tree_add_expert(ie_tree, pinfo, &ei_pfcp_ie_not_decoded_to_large, tvb, offset, length);
+ }
+
+ offset += length;
+ }
+ }
+}
+
+static int
+dissect_pfcp(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void *data _U_)
+{
+ proto_item *item;
+ proto_tree *sub_tree;
+ int offset = 0;
+ guint64 pfcp_flags;
+ guint8 message_type;
+ guint32 length;
+
+ static const int * pfcp_hdr_flags[] = {
+ &hf_pfcp_version,
+ &hf_pfcp_spare_b4,
+ &hf_pfcp_spare_b3,
+ &hf_pfcp_spare_b2,
+ &hf_pfcp_mp_flag,
+ &hf_pfcp_s_flag,
+ NULL
+ };
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "PFCP");
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ message_type = tvb_get_guint8(tvb, 1);
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(message_type, &pfcp_message_type_ext, "Unknown"));
+
+ item = proto_tree_add_item(tree, proto_pfcp, tvb, 0, -1, ENC_NA);
+ sub_tree = proto_item_add_subtree(item, ett_pfcp);
+
+ /* 7.2.2 Message Header */
+ /*
+ Octet 8 7 6 5 4 3 2 1
+ 1 | Version |Spare|Spare|Spare| MP | S |
+ 2 | Message Type |
+ 3 | Message Length (1st Octet) |
+ 4 | Message Length (2nd Octet) |
+ m to | If S flag is set to 1, then SEID shall be |
+ k(m+7) | placed into octets 5-12. Otherwise, SEID field |
+ | is not present at all. |
+ n to | Sequence Number |
+ (n+2) | |
+ (n+3) | Spare |
+
+ */
+ /* Octet 1 */
+ proto_tree_add_bitmask_with_flags_ret_uint64(sub_tree, tvb, offset, hf_pfcp_hdr_flags,
+ ett_pfcp_flags, pfcp_hdr_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &pfcp_flags);
+ offset += 1;
+
+ /* Octet 2 Message Type */
+ proto_tree_add_item(sub_tree, hf_pfcp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ /* Octet 3 - 4 Message Length */
+ proto_tree_add_item_ret_uint(sub_tree, hf_pfcp_msg_length, tvb, offset, 2, ENC_BIG_ENDIAN, &length);
+
+ if ((pfcp_flags & 0x1) == 1) {
+ /* If S flag is set to 1, then SEID shall be placed into octets 5-12*/
+ /* Session Endpoint Identifier 8 Octets */
+ proto_tree_add_item(sub_tree, hf_pfcp_seid, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+ /* 7.2.2.2 PFCP Header for Node Related Messages */
+ /*
+ Octet 8 7 6 5 4 3 2 1
+ 1 | Version |Spare|Spare|Spare| MP=0 | S=0 |
+ 2 | Message Type |
+ 3 | Message Length (1st Octet) |
+ 4 | Message Length (2nd Octet) |
+ 5 | Sequence Number (1st Octet) |
+ 6 | Sequence Number (2st Octet) |
+ 7 | Sequence Number (3st Octet) |
+ 8 | Spare |
+ */
+ proto_tree_add_item(sub_tree, hf_pfcp_seqno, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ if ((pfcp_flags & 0x2) == 0x2) {
+ /* If the "MP" flag is set to "1", then bits 8 to 5 of octet 16 shall indicate the message priority.*/
+ proto_tree_add_item(sub_tree, hf_pfcp_mp, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(sub_tree, hf_pfcp_spare_h0, tvb, offset, 1, ENC_BIG_ENDIAN);
+ } else {
+ proto_tree_add_item(sub_tree, hf_pfcp_spare_oct, tvb, offset, 1, ENC_BIG_ENDIAN);
+ }
+ offset++;
+
+ /* Dissect the IEs in the message */
+ dissect_pfcp_ies_common(tvb, pinfo, sub_tree, offset, message_type);
+
+ return tvb_reported_length(tvb);
+}
+
+/* Enterprise IE decoding 3GPP */
+static int
+dissect_pfcp_3gpp_enterprise_ies(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ proto_item *top_item = (proto_item *)data;
+ /* We are give the complete ie, but the first 6 octets are dissected in the pfcp dissector*/
+ proto_item_append_text(top_item, " Enterprise ID set to '10415' shall not be used for the vendor specific IEs.");
+ proto_tree_add_expert(tree, pinfo, &ei_pfcp_enterprise_ie_3gpp, tvb, 0, -1);
+
+ return tvb_reported_length(tvb);
+}
+
+void
+proto_register_pfcp(void)
+{
+
+ static hf_register_info hf_pfcp[] = {
+
+ { &hf_pfcp_msg_type,
+ { "Message Type", "pfcp.msg_type",
+ FT_UINT8, BASE_DEC | BASE_EXT_STRING, &pfcp_message_type_ext, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_msg_length,
+ { "Length", "pfcp.length",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_hdr_flags,
+ { "Flags", "pfcp.flags",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_version,
+ { "Version", "pfcp.version",
+ FT_UINT8, BASE_DEC, NULL, 0xe0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_mp_flag,
+ { "MP", "pfcp.mp",
+ FT_UINT8, BASE_DEC, NULL, 0x02,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_s_flag,
+ { "S", "pfcp.s",
+ FT_UINT8, BASE_DEC, NULL, 0x01,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_spare_b2,
+ { "Spare", "pfcp.spare_b2",
+ FT_UINT8, BASE_DEC, NULL, 0x04,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_spare_b3,
+ { "Spare", "pfcp.spare_b3",
+ FT_UINT8, BASE_DEC, NULL, 0x08,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_spare_b4,
+ { "Spare", "pfcp.spare_b4",
+ FT_UINT8, BASE_DEC, NULL, 0x10,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_spare_oct,
+ { "Spare", "pfcp.spare_oct",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_spare_h0,
+ { "Spare", "pfcp.spare_h0",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL, HFILL }
+ },
+
+ { &hf_pfcp_seid,
+ { "SEID", "pfcp.seid",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_seqno,
+ { "Sequence Number", "pfcp.seqno",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_mp,
+ { "Message Priority", "pfcp.mp",
+ FT_UINT24, BASE_DEC, NULL, 0xf0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_enterprice_id,
+ { "Enterprise ID", "pfcp.enterprice_id",
+ FT_UINT16, BASE_ENTERPRISES, STRINGS_ENTERPRISES,
+ 0x0, NULL, HFILL } },
+ { &hf_pfcp2_ie,
+ { "IE Type", "pfcp.ie_type",
+ FT_UINT16, BASE_DEC | BASE_EXT_STRING, &pfcp_ie_type_ext, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp2_enterprise_ie,
+ { "Enterprise specific IE Type", "pfcp.enterprise_ie",
+ FT_UINT16, BASE_DEC, NULL, 0x7fff,
+ NULL, HFILL }
+ },
+ { &hf_pfcp2_ie_len,
+ { "Length", "pfcp.ie_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_pfcp_recovery_time_stamp,
+ { "Recovery Time Stamp", "pfcp.recovery_time_stamp",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL }
+ },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_pfcp,
+ &ett_pfcp_flags,
+ &ett_pfcp_ie,
+ &ett_pfcp_grouped_ie,
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_pfcp_ie_reserved,{ "pfcp.ie_id_reserved", PI_PROTOCOL, PI_ERROR, "Reserved IE value used", EXPFILL } },
+ { &ei_pfcp_ie_data_not_decoded,{ "pfcp.ie_data_not_decoded", PI_UNDECODED, PI_NOTE, "IE data not decoded by WS yet", EXPFILL } },
+ { &ei_pfcp_ie_not_decoded_null,{ "pfcp.ie_not_decoded_null", PI_UNDECODED, PI_NOTE, "IE not decoded yet(WS:no decoding function(NULL))", EXPFILL } },
+ { &ei_pfcp_ie_not_decoded_to_large,{ "pfcp.ie_not_decoded", PI_UNDECODED, PI_NOTE, "IE not decoded yet(WS:IE id to large)", EXPFILL } },
+ { &ei_pfcp_enterprise_ie_3gpp,{ "pfcp.ie_enterprise_3gpp", PI_PROTOCOL, PI_ERROR, "IE not decoded yet(WS:No vendor dissector)", EXPFILL } },
+ };
+
+ expert_module_t* expert_pfcp;
+
+ proto_pfcp = proto_register_protocol("Packet Forwarding Control Protocol", "PFCP", "pfcp");
+ pfcp_handle = register_dissector("pfcp", dissect_pfcp, proto_pfcp);
+
+ proto_register_field_array(proto_pfcp, hf_pfcp, array_length(hf_pfcp));
+ proto_register_subtree_array(ett, array_length(ett));
+ expert_pfcp = expert_register_protocol(proto_pfcp);
+ expert_register_field_array(expert_pfcp, ei, array_length(ei));
+
+ /* Register dissector table for enterprise IE dissectors */
+ pfcp_enterprise_ies_dissector_table = register_dissector_table("pfcp.enterprise_ies", "PFCP Enterprice IEs",
+ proto_pfcp, FT_UINT32, BASE_DEC);
+
+ pfcp_3gpp_ies_handle = register_dissector("pfcp_3gpp_ies", dissect_pfcp_3gpp_enterprise_ies, proto_pfcp);
+
+
+}
+
+void
+proto_reg_handoff_pfcp(void)
+{
+
+ dissector_add_for_decode_as_with_preference("udp.port", pfcp_handle);
+ /* Register 3GPP in the table to give expert info and serve as an example how to add decoding of enterprise IEs*/
+ dissector_add_uint("pfcp.enterprise_ies", VENDOR_THE3GPP, pfcp_3gpp_ies_handle);
+
+
+}
+
+/*
+* Editor modelines - http://www.wireshark.org/tools/modelines.html
+*
+* Local variables:
+* c-basic-offset: 4
+* tab-width: 8
+* indent-tabs-mode: nil
+* End:
+*
+* vi: set shiftwidth=4 tabstop=8 expandtab:
+* :indentSize=4:tabSize=8:noTabs=true:
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 00:26:24 +0000