libosmo-pfcp: add pfcp_proto.h pfcp_strs.h

Related: SYS#5599
Change-Id: I568b821e89007ed52eeefcdbcb6edd8052a8b5be

5 files changed, 1148 insertions, 0 deletions

diff --git a/include/osmocom/pfcp/Makefile.am b/include/osmocom/pfcp/Makefile.am
index e69de29..ff7df5e 100644
--- a/include/osmocom/pfcp/Makefile.am
+++ b/include/osmocom/pfcp/Makefile.am
@@ -0,0 +1,6 @@
+pfcp_HEADERS = \
+	pfcp_proto.h \
+	pfcp_strs.h \
+	$(NULL)
+
+pfcpdir = $(includedir)/osmocom/pfcp
diff --git a/include/osmocom/pfcp/pfcp_proto.h b/include/osmocom/pfcp/pfcp_proto.h
new file mode 100644
index 0000000..d387b1b
--- /dev/null
+++ b/include/osmocom/pfcp/pfcp_proto.h
@@ -0,0 +1,528 @@
+/* 3GPP TS 29.244: Packet Forwarding Control Protocol */
+/*
+ * (C) 2021-2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved.
+ *
+ * Author: Neels Janosch Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#define OSMO_PFCP_PORT 8805
+
+/* Section 7.3 / Table 7.3-1 */
+enum osmo_pfcp_message_type {
+	OSMO_PFCP_MSGT_NONE = 0,
+
+	/* Node related messages */
+	OSMO_PFCP_MSGT_HEARTBEAT_REQ = 1,
+	OSMO_PFCP_MSGT_HEARTBEAT_RESP = 2,
+	OSMO_PFCP_MSGT_PFD_MGMT_REQ = 3,
+	OSMO_PFCP_MSGT_PFD_MGMT_RESP = 4,
+	OSMO_PFCP_MSGT_ASSOC_SETUP_REQ = 5,
+	OSMO_PFCP_MSGT_ASSOC_SETUP_RESP = 6,
+	OSMO_PFCP_MSGT_ASSOC_UPDATE_REQ = 7,
+	OSMO_PFCP_MSGT_ASSOC_UPDATE_RESP = 8,
+	OSMO_PFCP_MSGT_ASSOC_RELEASE_REQ = 9,
+	OSMO_PFCP_MSGT_ASSOC_RELEASE_RESP = 10,
+	OSMO_PFCP_MSGT_VERSION_NOT_SUPP_RESP = 11,
+	OSMO_PFCP_MSGT_NODE_REPORT_REQ = 12,
+	OSMO_PFCP_MSGT_NODE_REPORT_RESP = 13,
+	OSMO_PFCP_MSGT_SESSION_SET_DEL_REQ = 14,
+	OSMO_PFCP_MSGT_SESSION_SET_DEL_RESP = 15,
+
+	/* Session related messages */
+	OSMO_PFCP_MSGT_SESSION_EST_REQ = 50,
+	OSMO_PFCP_MSGT_SESSION_EST_RESP = 51,
+	OSMO_PFCP_MSGT_SESSION_MOD_REQ = 52,
+	OSMO_PFCP_MSGT_SESSION_MOD_RESP = 53,
+	OSMO_PFCP_MSGT_SESSION_DEL_REQ = 54,
+	OSMO_PFCP_MSGT_SESSION_DEL_RESP = 55,
+	OSMO_PFCP_MSGT_SESSION_REP_REQ = 56,
+	OSMO_PFCP_MSGT_SESSION_REP_RESP = 57,
+};
+
+/* Section 8.1.2 / Table 8.1.2-1 */
+enum osmo_pfcp_iei {
+	OSMO_PFCP_INVALID_IEI = 0,
+	OSMO_PFCP_IEI_CREATE_PDR = 1,
+	OSMO_PFCP_IEI_PDI = 2,
+	OSMO_PFCP_IEI_CREATE_FAR = 3,
+	OSMO_PFCP_IEI_FORW_PARAMS = 4,
+	OSMO_PFCP_IEI_DUPL_PARAMS = 5,
+	OSMO_PFCP_IEI_CREATE_URR = 6,
+	OSMO_PFCP_IEI_CREATE_QER = 7,
+	OSMO_PFCP_IEI_CREATED_PDR = 8,
+	OSMO_PFCP_IEI_UPD_PDR = 9,
+	OSMO_PFCP_IEI_UPD_FAR = 10,
+	OSMO_PFCP_IEI_UPD_FORW_PARAMS = 11,
+	OSMO_PFCP_IEI_UPD_BAR_SESS_REP_RESP = 12,
+	OSMO_PFCP_IEI_UPD_URR = 13,
+	OSMO_PFCP_IEI_UPD_QER = 14,
+	OSMO_PFCP_IEI_REMOVE_PDR = 15,
+	OSMO_PFCP_IEI_REMOVE_FAR = 16,
+	OSMO_PFCP_IEI_REMOVE_URR = 17,
+	OSMO_PFCP_IEI_REMOVE_QER = 18,
+	OSMO_PFCP_IEI_CAUSE = 19,
+	OSMO_PFCP_IEI_SOURCE_IFACE = 20,
+	OSMO_PFCP_IEI_F_TEID = 21,
+	OSMO_PFCP_IEI_NETWORK_INST = 22,
+	OSMO_PFCP_IEI_SDF_FILTER = 23,
+	OSMO_PFCP_IEI_APPLICATION_ID = 24,
+	OSMO_PFCP_IEI_GATE_STATUS = 25,
+	OSMO_PFCP_IEI_MBR = 26,
+	OSMO_PFCP_IEI_GBR = 27,
+	OSMO_PFCP_IEI_QER_CORRELATION_ID = 28,
+	OSMO_PFCP_IEI_PRECEDENCE = 29,
+	OSMO_PFCP_IEI_TRANSPORT_LEVEL_MARKING = 30,
+	OSMO_PFCP_IEI_VOLUME_THRESH = 31,
+	OSMO_PFCP_IEI_TIME_THRESH = 32,
+	OSMO_PFCP_IEI_MONITORING_TIME = 33,
+	OSMO_PFCP_IEI_SUBSEQUENT_VOLUME_THRESH = 34,
+	OSMO_PFCP_IEI_SUBSEQUENT_TIME_THRESH = 35,
+	OSMO_PFCP_IEI_INACT_DETECTION_TIME = 36,
+	OSMO_PFCP_IEI_REPORTING_TRIGGERS = 37,
+	OSMO_PFCP_IEI_REDIRECT_INFO = 38,
+	OSMO_PFCP_IEI_REP_TYPE = 39,
+	OSMO_PFCP_IEI_OFFENDING_IE = 40,
+	OSMO_PFCP_IEI_FORW_POLICY = 41,
+	OSMO_PFCP_IEI_DESTINATION_IFACE = 42,
+	OSMO_PFCP_IEI_UP_FUNCTION_FEATURES = 43,
+	OSMO_PFCP_IEI_APPLY_ACTION = 44,
+	OSMO_PFCP_IEI_DL_DATA_SERVICE_INFO = 45,
+	OSMO_PFCP_IEI_DL_DATA_NOTIFICATION_DELAY = 46,
+	OSMO_PFCP_IEI_DL_BUFF_DURATION = 47,
+	OSMO_PFCP_IEI_DL_BUFF_SUGGESTED_PACKET_COUNT = 48,
+	OSMO_PFCP_IEI_PFCPSMREQ_FLAGS = 49,
+	OSMO_PFCP_IEI_PFCPSRRSP_FLAGS = 50,
+	OSMO_PFCP_IEI_LOAD_CTRL_INFO = 51,
+	OSMO_PFCP_IEI_SEQUENCE_NUMBER = 52,
+	OSMO_PFCP_IEI_METRIC = 53,
+	OSMO_PFCP_IEI_OVERLOAD_CTRL_INFO = 54,
+	OSMO_PFCP_IEI_TIMER = 55,
+	OSMO_PFCP_IEI_PDR_ID = 56,
+	OSMO_PFCP_IEI_F_SEID = 57,
+	OSMO_PFCP_IEI_APPLICATION_IDS_PFDS = 58,
+	OSMO_PFCP_IEI_PFD_CONTEXT = 59,
+	OSMO_PFCP_IEI_NODE_ID = 60,
+	OSMO_PFCP_IEI_PFD_CONTENTS = 61,
+	OSMO_PFCP_IEI_MEAS_METHOD = 62,
+	OSMO_PFCP_IEI_USAGE_REP_TRIGGER = 63,
+	OSMO_PFCP_IEI_MEAS_PERIOD = 64,
+	OSMO_PFCP_IEI_FQ_CSID = 65,
+	OSMO_PFCP_IEI_VOLUME_MEAS = 66,
+	OSMO_PFCP_IEI_DURATION_MEAS = 67,
+	OSMO_PFCP_IEI_APPLICATION_DETECTION_INFO = 68,
+	OSMO_PFCP_IEI_TIME_OF_FIRST_PACKET = 69,
+	OSMO_PFCP_IEI_TIME_OF_LAST_PACKET = 70,
+	OSMO_PFCP_IEI_QUOTA_HOLDING_TIME = 71,
+	OSMO_PFCP_IEI_DROPPED_DL_TRAFFIC_THRESH = 72,
+	OSMO_PFCP_IEI_VOLUME_QUOTA = 73,
+	OSMO_PFCP_IEI_TIME_QUOTA = 74,
+	OSMO_PFCP_IEI_START_TIME = 75,
+	OSMO_PFCP_IEI_END_TIME = 76,
+	OSMO_PFCP_IEI_QUERY_URR = 77,
+	OSMO_PFCP_IEI_USAGE_REP_SESS_MOD_RESP = 78,
+	OSMO_PFCP_IEI_USAGE_REP_SESS_DEL_RESP = 79,
+	OSMO_PFCP_IEI_USAGE_REP_SESS_REP_REQ = 80,
+	OSMO_PFCP_IEI_URR_ID = 81,
+	OSMO_PFCP_IEI_LINKED_URR_ID = 82,
+	OSMO_PFCP_IEI_DL_DATA_REP = 83,
+	OSMO_PFCP_IEI_OUTER_HEADER_CREATION = 84,
+	OSMO_PFCP_IEI_CREATE_BAR = 85,
+	OSMO_PFCP_IEI_UPD_BAR_SESS_MOD_REQ = 86,
+	OSMO_PFCP_IEI_REMOVE_BAR = 87,
+	OSMO_PFCP_IEI_BAR_ID = 88,
+	OSMO_PFCP_IEI_CP_FUNCTION_FEATURES = 89,
+	OSMO_PFCP_IEI_USAGE_INFO = 90,
+	OSMO_PFCP_IEI_APPLICATION_INST_ID = 91,
+	OSMO_PFCP_IEI_FLOW_INFO = 92,
+	OSMO_PFCP_IEI_UE_IP_ADDRESS = 93,
+	OSMO_PFCP_IEI_PACKET_RATE = 94,
+	OSMO_PFCP_IEI_OUTER_HEADER_REMOVAL = 95,
+	OSMO_PFCP_IEI_RECOVERY_TIME_STAMP = 96,
+	OSMO_PFCP_IEI_DL_FLOW_LEVEL_MARKING = 97,
+	OSMO_PFCP_IEI_HEADER_ENRICHMENT = 98,
+	OSMO_PFCP_IEI_ERROR_IND_REP = 99,
+	OSMO_PFCP_IEI_MEAS_INFO = 100,
+	OSMO_PFCP_IEI_NODE_REP_TYPE = 101,
+	OSMO_PFCP_IEI_USER_PLANE_PATH_FAILURE_REP = 102,
+	OSMO_PFCP_IEI_REMOTE_GTP_U_PEER = 103,
+	OSMO_PFCP_IEI_UR_SEQN = 104,
+	OSMO_PFCP_IEI_UPD_DUPL_PARAMS = 105,
+	OSMO_PFCP_IEI_ACTIVATE_PREDEFINED_RULES = 106,
+	OSMO_PFCP_IEI_DEACTIVATE_PREDEFINED_RULES = 107,
+	OSMO_PFCP_IEI_FAR_ID = 108,
+	OSMO_PFCP_IEI_QER_ID = 109,
+	OSMO_PFCP_IEI_OCI_FLAGS = 110,
+	OSMO_PFCP_IEI_PFCP_ASSOC_RELEASE_REQ = 111,
+	OSMO_PFCP_IEI_GRACEFUL_RELEASE_PERIOD = 112,
+	OSMO_PFCP_IEI_PDN_TYPE = 113,
+	OSMO_PFCP_IEI_FAILED_RULE_ID = 114,
+	OSMO_PFCP_IEI_TIME_QUOTA_MECHANISM = 115,
+	OSMO_PFCP_IEI_RESERVED = 116,
+	OSMO_PFCP_IEI_USER_PLANE_INACT_TIMER = 117,
+	OSMO_PFCP_IEI_AGGREGATED_URRS = 118,
+	OSMO_PFCP_IEI_MULTIPLIER = 119,
+	OSMO_PFCP_IEI_AGGREGATED_URR_ID = 120,
+	OSMO_PFCP_IEI_SUBSEQUENT_VOLUME_QUOTA = 121,
+	OSMO_PFCP_IEI_SUBSEQUENT_TIME_QUOTA = 122,
+	OSMO_PFCP_IEI_RQI = 123,
+	OSMO_PFCP_IEI_QFI = 124,
+	OSMO_PFCP_IEI_QUERY_URR_REFERENCE = 125,
+	OSMO_PFCP_IEI_ADDITIONAL_USAGE_REPS_INFO = 126,
+	OSMO_PFCP_IEI_CREATE_TRAFFIC_ENDPOINT = 127,
+	OSMO_PFCP_IEI_CREATED_TRAFFIC_ENDPOINT = 128,
+	OSMO_PFCP_IEI_UPD_TRAFFIC_ENDPOINT = 129,
+	OSMO_PFCP_IEI_REMOVE_TRAFFIC_ENDPOINT = 130,
+	OSMO_PFCP_IEI_TRAFFIC_ENDPOINT_ID = 131,
+	OSMO_PFCP_IEI_ETHERNET_PACKET_FILTER = 132,
+	OSMO_PFCP_IEI_MAC_ADDRESS = 133,
+	OSMO_PFCP_IEI_C_TAG = 134,
+	OSMO_PFCP_IEI_S_TAG = 135,
+	OSMO_PFCP_IEI_ETHERTYPE = 136,
+	OSMO_PFCP_IEI_PROXYING = 137,
+	OSMO_PFCP_IEI_ETHERNET_FILTER_ID = 138,
+	OSMO_PFCP_IEI_ETHERNET_FILTER_PROPERTIES = 139,
+	OSMO_PFCP_IEI_SUGGESTED_BUFF_PACKETS_COUNT = 140,
+	OSMO_PFCP_IEI_USER_ID = 141,
+	OSMO_PFCP_IEI_ETHERNET_PDU_SESS_INFO = 142,
+	OSMO_PFCP_IEI_ETHERNET_TRAFFIC_INFO = 143,
+	OSMO_PFCP_IEI_MAC_ADDRS_DETECTED = 144,
+	OSMO_PFCP_IEI_MAC_ADDRS_REMOVED = 145,
+	OSMO_PFCP_IEI_ETHERNET_INACT_TIMER = 146,
+	OSMO_PFCP_IEI_ADDITIONAL_MONITORING_TIME = 147,
+	OSMO_PFCP_IEI_EVENT_QUOTA = 148,
+	OSMO_PFCP_IEI_EVENT_THRESH = 149,
+	OSMO_PFCP_IEI_SUBSEQUENT_EVENT_QUOTA = 150,
+	OSMO_PFCP_IEI_SUBSEQUENT_EVENT_THRESH = 151,
+	OSMO_PFCP_IEI_TRACE_INFO = 152,
+	OSMO_PFCP_IEI_FRAMED_ROUTE = 153,
+	OSMO_PFCP_IEI_FRAMED_ROUTING = 154,
+	OSMO_PFCP_IEI_FRAMED_IPV6_ROUTE = 155,
+	OSMO_PFCP_IEI_TIME_STAMP = 156,
+	OSMO_PFCP_IEI_AVERAGING_WINDOW = 157,
+	OSMO_PFCP_IEI_PAGING_POLICY_INDICATOR = 158,
+	OSMO_PFCP_IEI_APN_DNN = 159,
+	OSMO_PFCP_IEI_3GPP_IFACE_TYPE = 160,
+	OSMO_PFCP_IEI_PFCPSRREQ_FLAGS = 161,
+	OSMO_PFCP_IEI_PFCPAUREQ_FLAGS = 162,
+	OSMO_PFCP_IEI_ACTIVATION_TIME = 163,
+	OSMO_PFCP_IEI_DEACTIVATION_TIME = 164,
+	OSMO_PFCP_IEI_CREATE_MAR = 165,
+	OSMO_PFCP_IEI_3GPP_ACCESS_FORW_ACTION_INFO = 166,
+	OSMO_PFCP_IEI_NON_3GPP_ACCESS_FORW_ACTION_INFO = 167,
+	OSMO_PFCP_IEI_REMOVE_MAR = 168,
+	OSMO_PFCP_IEI_UPD_MAR = 169,
+	OSMO_PFCP_IEI_MAR_ID = 170,
+	OSMO_PFCP_IEI_STEERING_FUNCTIONALITY = 171,
+	OSMO_PFCP_IEI_STEERING_MODE = 172,
+	OSMO_PFCP_IEI_WEIGHT = 173,
+	OSMO_PFCP_IEI_PRIORITY = 174,
+	OSMO_PFCP_IEI_UPD_3GPP_ACCESS_FORW_ACTION_INFO = 175,
+	OSMO_PFCP_IEI_UPD_NON_3GPP_ACCESS_FORW_ACTION_INFO = 176,
+	OSMO_PFCP_IEI_UE_IP_ADDRESS_POOL_IDENTITY = 177,
+	OSMO_PFCP_IEI_ALTERNATIVE_SMF_IP_ADDRESS = 178,
+	OSMO_PFCP_IEI_PACKET_REPLICATION_AND_DETECTION_CARRY_ON_INFO = 179,
+	OSMO_PFCP_IEI_SMF_SET_ID = 180,
+	OSMO_PFCP_IEI_QUOTA_VALIDITY_TIME = 181,
+	OSMO_PFCP_IEI_NUMBER_OF_REPS = 182,
+	OSMO_PFCP_IEI_PFCP_SESS_RETENTION_INFO_IN_ASSOC_SETUP_REQ = 183,
+	OSMO_PFCP_IEI_PFCPASRSP_FLAGS = 184,
+	OSMO_PFCP_IEI_CP_ENTITY_IP_ADDRESS = 185,
+	OSMO_PFCP_IEI_PFCPSEREQ_FLAGS = 186,
+	OSMO_PFCP_IEI_USER_PLANE_PATH_RECOVERY_REP = 187,
+	OSMO_PFCP_IEI_IP_MULTICAST_ADDR_INFO_IN_SESS_EST_REQ = 188,
+	OSMO_PFCP_IEI_JOIN_IP_MULTICAST_INFO_IE_IN_USAGE_REP = 189,
+	OSMO_PFCP_IEI_LEAVE_IP_MULTICAST_INFO_IE_IN_USAGE_REP = 190,
+	OSMO_PFCP_IEI_IP_MULTICAST_ADDRESS = 191,
+	OSMO_PFCP_IEI_SOURCE_IP_ADDRESS = 192,
+	OSMO_PFCP_IEI_PACKET_RATE_STATUS = 193,
+	OSMO_PFCP_IEI_CREATE_BRIDGE_INFO_FOR_TSC = 194,
+	OSMO_PFCP_IEI_CREATED_BRIDGE_INFO_FOR_TSC = 195,
+	OSMO_PFCP_IEI_DS_TT_PORT_NUMBER = 196,
+	OSMO_PFCP_IEI_NW_TT_PORT_NUMBER = 197,
+	OSMO_PFCP_IEI_TSN_BRIDGE_ID = 198,
+	OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_MOD_REQ = 199,
+	OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_MOD_RESP = 200,
+	OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_REP_REQ = 201,
+	OSMO_PFCP_IEI_PORT_MGMT_INFO_CONTAINER = 202,
+	OSMO_PFCP_IEI_CLOCK_DRIFT_CTRL_INFO = 203,
+	OSMO_PFCP_IEI_REQUESTED_CLOCK_DRIFT_INFO = 204,
+	OSMO_PFCP_IEI_CLOCK_DRIFT_REP = 205,
+	OSMO_PFCP_IEI_TSN_TIME_DOMAIN_NUMBER = 206,
+	OSMO_PFCP_IEI_TIME_OFFSET_THRESH = 207,
+	OSMO_PFCP_IEI_CUMULATIVE_RATERATIO_THRESH = 208,
+	OSMO_PFCP_IEI_TIME_OFFSET_MEAS = 209,
+	OSMO_PFCP_IEI_CUMULATIVE_RATERATIO_MEAS = 210,
+	OSMO_PFCP_IEI_REMOVE_SRR = 211,
+	OSMO_PFCP_IEI_CREATE_SRR = 212,
+	OSMO_PFCP_IEI_UPD_SRR = 213,
+	OSMO_PFCP_IEI_SESS_REP = 214,
+	OSMO_PFCP_IEI_SRR_ID = 215,
+	OSMO_PFCP_IEI_ACCESS_AVAIL_CTRL_INFO = 216,
+	OSMO_PFCP_IEI_REQUESTED_ACCESS_AVAIL_INFO = 217,
+	OSMO_PFCP_IEI_ACCESS_AVAIL_REP = 218,
+	OSMO_PFCP_IEI_ACCESS_AVAIL_INFO = 219,
+	OSMO_PFCP_IEI_PROVIDE_ATSSS_CTRL_INFO = 220,
+	OSMO_PFCP_IEI_ATSSS_CTRL_PARAMS = 221,
+	OSMO_PFCP_IEI_MPTCP_CTRL_INFO = 222,
+	OSMO_PFCP_IEI_ATSSS_LL_CTRL_INFO = 223,
+	OSMO_PFCP_IEI_PMF_CTRL_INFO = 224,
+	OSMO_PFCP_IEI_MPTCP_PARAMS = 225,
+	OSMO_PFCP_IEI_ATSSS_LL_PARAMS = 226,
+	OSMO_PFCP_IEI_PMF_PARAMS = 227,
+	OSMO_PFCP_IEI_MPTCP_ADDRESS_INFO = 228,
+	OSMO_PFCP_IEI_UE_LINK_SPECIFIC_IP_ADDRESS = 229,
+	OSMO_PFCP_IEI_PMF_ADDRESS_INFO = 230,
+	OSMO_PFCP_IEI_ATSSS_LL_INFO = 231,
+	OSMO_PFCP_IEI_DATA_NETWORK_ACCESS_IDENTIFIER = 232,
+	OSMO_PFCP_IEI_UE_IP_ADDRESS_POOL_INFO = 233,
+	OSMO_PFCP_IEI_AVERAGE_PACKET_DELAY = 234,
+	OSMO_PFCP_IEI_MIN_PACKET_DELAY = 235,
+	OSMO_PFCP_IEI_MAX_PACKET_DELAY = 236,
+	OSMO_PFCP_IEI_QOS_REP_TRIGGER = 237,
+	OSMO_PFCP_IEI_GTP_U_PATH_QOS_CTRL_INFO = 238,
+	OSMO_PFCP_IEI_GTP_U_PATH_QOS_REP_NODE_REP_REQ = 239,
+	OSMO_PFCP_IEI_QOS_INFO_IN_GTP_U_PATH_QOS_REP = 240,
+	OSMO_PFCP_IEI_GTP_U_PATH_IFACE_TYPE = 241,
+	OSMO_PFCP_IEI_QOS_MONITORING_PER_QOS_FLOW_CTRL_INFO = 242,
+	OSMO_PFCP_IEI_REQUESTED_QOS_MONITORING = 243,
+	OSMO_PFCP_IEI_REPORTING_FREQUENCY = 244,
+	OSMO_PFCP_IEI_PACKET_DELAY_THRESHOLDS = 245,
+	OSMO_PFCP_IEI_MIN_WAIT_TIME = 246,
+	OSMO_PFCP_IEI_QOS_MONITORING_REP = 247,
+	OSMO_PFCP_IEI_QOS_MONITORING_MEAS = 248,
+	OSMO_PFCP_IEI_MT_EDT_CTRL_INFO = 249,
+	OSMO_PFCP_IEI_DL_DATA_PACKETS_SIZE = 250,
+	OSMO_PFCP_IEI_QER_CTRL_INDICATIONS = 251,
+	OSMO_PFCP_IEI_PACKET_RATE_STATUS_REP = 252,
+	OSMO_PFCP_IEI_NF_INST_ID = 253,
+	OSMO_PFCP_IEI_ETHERNET_CONTEXT_INFO = 254,
+	OSMO_PFCP_IEI_REDUNDANT_TRANSMISSION_PARAMS = 255,
+	OSMO_PFCP_IEI_UPDATED_PDR = 256,
+	OSMO_PFCP_IEI_S_NSSAI = 257,
+	OSMO_PFCP_IEI_IP_VERSION = 258,
+	OSMO_PFCP_IEI_PFCPASREQ_FLAGS = 259,
+	OSMO_PFCP_IEI_DATA_STATUS = 260,
+	OSMO_PFCP_IEI_PROVIDE_RDS_CONF_INFO = 261,
+	OSMO_PFCP_IEI_RDS_CONF_INFO = 262,
+	OSMO_PFCP_IEI_QUERY_PACKET_RATE_STATUS_IE_IN_SESS_MOD_REQ = 263,
+	OSMO_PFCP_IEI_PACKET_RATE_STATUS_REP_IE_IN_SESS_MOD_RESP = 264,
+	OSMO_PFCP_IEI_MPTCP_APPLICABLE_IND = 265,
+	OSMO_PFCP_IEI_BRIDGE_MGMT_INFO_CONTAINER = 266,
+	OSMO_PFCP_IEI_UE_IP_ADDRESS_USAGE_INFO = 267,
+	OSMO_PFCP_IEI_NUMBER_OF_UE_IP_ADDRS = 268,
+	OSMO_PFCP_IEI_VALIDITY_TIMER = 269,
+	OSMO_PFCP_IEI_REDUNDANT_TRANSMISSION_FORW_PARAMS = 270,
+	OSMO_PFCP_IEI_TRANSPORT_DELAY_REPORTING = 271,
+};
+
+/* Section 8.2.1 / Table 8.2.1-1 */
+enum osmo_pfcp_cause {
+	OSMO_PFCP_CAUSE_RESERVED = 0,
+	OSMO_PFCP_CAUSE_REQUEST_ACCEPTED = 1,
+	OSMO_PFCP_CAUSE_MORE_USAGE_REPORT_TO_SEND = 2,
+	OSMO_PFCP_CAUSE_REQUEST_REJECTED = 64,
+	OSMO_PFCP_CAUSE_SESSION_CTX_NOT_FOUND = 65,
+	OSMO_PFCP_CAUSE_MANDATORY_IE_MISSING = 66,
+	OSMO_PFCP_CAUSE_CONDITIONAL_IE_MISSING = 67,
+	OSMO_PFCP_CAUSE_INVALID_LENGTH = 68,
+	OSMO_PFCP_CAUSE_MANDATORY_IE_INCORRECT = 69,
+	OSMO_PFCP_CAUSE_INVALID_FORW_POLICY = 70,
+	OSMO_PFCP_CAUSE_INVALID_F_TEID_ALLOC_OPTION = 71,
+	OSMO_PFCP_CAUSE_NO_ESTABLISHED_PFCP_ASSOC = 72,
+	OSMO_PFCP_CAUSE_RULE_CREATION_MOD_FAILURE = 73,
+	OSMO_PFCP_CAUSE_PFCP_ENTITY_IN_CONGESTION = 74,
+	OSMO_PFCP_CAUSE_NO_RESOURCES_AVAILABLE = 75,
+	OSMO_PFCP_CAUSE_SERVICE_NOT_SUPPORTED = 76,
+	OSMO_PFCP_CAUSE_SYSTEM_FAILURE = 77,
+	OSMO_PFCP_CAUSE_REDIRECTION_REQUESTED = 78,
+	OSMO_PFCP_CAUSE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED = 79,
+};
+
+/* Section 8.2.38 */
+enum osmo_pfcp_node_id_type {
+	OSMO_PFCP_NODE_ID_T_IPV4 = 0,
+	OSMO_PFCP_NODE_ID_T_IPV6 = 1,
+	OSMO_PFCP_NODE_ID_T_FQDN = 2,
+};
+
+enum osmo_pfcp_3gpp_iface_type {
+	OSMO_PFCP_3GPP_IFACE_TYPE_S1_U = 0,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S5_S8_U = 1,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S4_U = 2,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S11_U = 3,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S12_U = 4,
+	OSMO_PFCP_3GPP_IFACE_TYPE_GN_GP_U = 5,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S2A_U = 6,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S2B_U = 7,
+	OSMO_PFCP_3GPP_IFACE_TYPE_ENODEB_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING = 8,
+	OSMO_PFCP_3GPP_IFACE_TYPE_ENODEB_GTP_U_INTERFACE_FOR_UL_DATA_FORWARDING = 9,
+	OSMO_PFCP_3GPP_IFACE_TYPE_SGW_UPF_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING = 10,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N3_3GPP_ACCESS = 11,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N3_TRUSTED_NON_3GPP_ACCESS = 12,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N3_UNTRUSTED_NON_3GPP_ACCESS = 13,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N3_FOR_DATA_FORWARDING = 14,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N9 = 15,
+	OSMO_PFCP_3GPP_IFACE_TYPE_SGI = 16,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N6 = 17,
+	OSMO_PFCP_3GPP_IFACE_TYPE_N19 = 18,
+	OSMO_PFCP_3GPP_IFACE_TYPE_S8_U = 19,
+	OSMO_PFCP_3GPP_IFACE_TYPE_GP_U = 20,
+};
+
+enum osmo_pfcp_source_iface {
+	OSMO_PFCP_SOURCE_IFACE_ACCESS = 0,
+	OSMO_PFCP_SOURCE_IFACE_CORE = 1,
+	OSMO_PFCP_SOURCE_IFACE_SGI_LAN_N6_LAN = 2,
+	OSMO_PFCP_SOURCE_IFACE_CP_FUNCTION = 3,
+	OSMO_PFCP_SOURCE_IFACE_5G_VN_INTERNAL = 4,
+};
+
+enum osmo_pfcp_dest_iface {
+	OSMO_PFCP_DEST_IFACE_ACCESS = 0,
+	OSMO_PFCP_DEST_IFACE_CORE = 1,
+	OSMO_PFCP_DEST_IFACE_SGI_LAN_N6_LAN = 2,
+	OSMO_PFCP_DEST_IFACE_CP_FUNCTION = 3,
+	OSMO_PFCP_DEST_IFACE_LI_FUNCTION = 4,
+	OSMO_PFCP_DEST_IFACE_5G_VN_INTERNAL = 5,
+};
+
+/* The enum values correspond to the bit index in the supported features bitmask in the PFCP UP Function Features IE.
+ * 0 means first octet and first bit, "Octet 5 Bit 1" as in spec;
+ * 7 means first octet last bit, "Octet 5 Bit 8";
+ * 8 means second octet first bit, "Octet 6 Bit 1";
+ * and so on.
+ * Intended for use with osmo_pfcp_bits_get(), osmo_pfcp_bits_set(), osmo_pfcp_bits_to_str_c().
+ */
+enum osmo_pfcp_up_feature {
+	OSMO_PFCP_UP_FEAT_BUCP = 0,
+	OSMO_PFCP_UP_FEAT_DDND,
+	OSMO_PFCP_UP_FEAT_DLBD,
+	OSMO_PFCP_UP_FEAT_TRST,
+	OSMO_PFCP_UP_FEAT_FTUP,
+	OSMO_PFCP_UP_FEAT_PFDM,
+	OSMO_PFCP_UP_FEAT_HEEU,
+	OSMO_PFCP_UP_FEAT_TREU,
+	OSMO_PFCP_UP_FEAT_EMPU,
+	OSMO_PFCP_UP_FEAT_PDIU,
+	OSMO_PFCP_UP_FEAT_UDBC,
+	OSMO_PFCP_UP_FEAT_QUOAC,
+	OSMO_PFCP_UP_FEAT_TRACE,
+	OSMO_PFCP_UP_FEAT_FRRT,
+	OSMO_PFCP_UP_FEAT_PFDE,
+	OSMO_PFCP_UP_FEAT_EPFAR,
+	OSMO_PFCP_UP_FEAT_DPDRA,
+	OSMO_PFCP_UP_FEAT_ADPDP,
+	OSMO_PFCP_UP_FEAT_UEIP,
+	OSMO_PFCP_UP_FEAT_SSET,
+	OSMO_PFCP_UP_FEAT_MNOP,
+	OSMO_PFCP_UP_FEAT_MTE,
+	OSMO_PFCP_UP_FEAT_BUNDL,
+	OSMO_PFCP_UP_FEAT_GCOM,
+	OSMO_PFCP_UP_FEAT_MPAS,
+	OSMO_PFCP_UP_FEAT_RTTL,
+	OSMO_PFCP_UP_FEAT_VTIME,
+	OSMO_PFCP_UP_FEAT_NORP,
+	OSMO_PFCP_UP_FEAT_IP6PL,
+	OSMO_PFCP_UP_FEAT_TSCU,
+	OSMO_PFCP_UP_FEAT_MPTCP,
+	OSMO_PFCP_UP_FEAT_ATSSSLL,
+	OSMO_PFCP_UP_FEAT_QFQM,
+	OSMO_PFCP_UP_FEAT_GPQM,
+	OSMO_PFCP_UP_FEAT_MTEDT,
+	OSMO_PFCP_UP_FEAT_CIOT,
+	OSMO_PFCP_UP_FEAT_ETHAR,
+	OSMO_PFCP_UP_FEAT_DDDS,
+	OSMO_PFCP_UP_FEAT_RDS,
+	OSMO_PFCP_UP_FEAT_RTTWP,
+};
+
+/* The enum values correspond to the bit index in the supported features bitmask in the PFCP CP Function Features IE.
+ * 0 means first octet and first bit, "Octet 5 Bit 1" as in spec;
+ * 7 means first octet last bit, "Octet 5 Bit 8";
+ * 8 means second octet first bit, "Octet 6 Bit 1";
+ * and so on.
+ * Intended for use with osmo_pfcp_bits_get(), osmo_pfcp_bits_set(), osmo_pfcp_bits_to_str_c().
+ */
+enum osmo_pfcp_cp_feature {
+	OSMO_PFCP_CP_FEAT_LOAD = 0,
+	OSMO_PFCP_CP_FEAT_OVRL,
+	OSMO_PFCP_CP_FEAT_EPFAR,
+	OSMO_PFCP_CP_FEAT_SSET,
+	OSMO_PFCP_CP_FEAT_BUNDL,
+	OSMO_PFCP_CP_FEAT_MPAS,
+	OSMO_PFCP_CP_FEAT_ARDR,
+	OSMO_PFCP_CP_FEAT_UIAUR,
+};
+
+/* The enum values correspond to the bit index in the PFCP Apply Action IE.
+ * 0 means first octet and first bit, "Octet 5 Bit 1" as in spec;
+ * 7 means first octet last bit, "Octet 5 Bit 8";
+ * 8 means second octet first bit, "Octet 6 Bit 1";
+ * and so on.
+ * Intended for use with osmo_pfcp_bits_get(), osmo_pfcp_bits_set(), osmo_pfcp_bits_to_str_c().
+ */
+enum osmo_pfcp_apply_action {
+	OSMO_PFCP_APPLY_ACTION_DROP = 0,
+	OSMO_PFCP_APPLY_ACTION_FORW,
+	OSMO_PFCP_APPLY_ACTION_BUFF,
+	OSMO_PFCP_APPLY_ACTION_NOCP,
+	OSMO_PFCP_APPLY_ACTION_DUPL,
+	OSMO_PFCP_APPLY_ACTION_IPMA,
+	OSMO_PFCP_APPLY_ACTION_IPMD,
+	OSMO_PFCP_APPLY_ACTION_DFRT,
+	OSMO_PFCP_APPLY_ACTION_EDRT,
+	OSMO_PFCP_APPLY_ACTION_BDPN,
+	OSMO_PFCP_APPLY_ACTION_DDPN,
+};
+
+/* The enum values correspond to the bit index in the description bitmask in the PFCP Outer Header Creation IE.
+ * 0 means first octet and first bit, "Octet 5 Bit 1" as in spec;
+ * 7 means first octet last bit, "Octet 5 Bit 8";
+ * 8 means second octet first bit, "Octet 6 Bit 1";
+ * and so on.
+ * Intended for use with osmo_pfcp_bits_get(), osmo_pfcp_bits_set(), osmo_pfcp_bits_to_str_c().
+ */
+enum osmo_pfcp_outer_header_creation {
+	OSMO_PFCP_OUTER_HEADER_CREATION_GTP_U_UDP_IPV4 = 0,
+	OSMO_PFCP_OUTER_HEADER_CREATION_GTP_U_UDP_IPV6,
+	OSMO_PFCP_OUTER_HEADER_CREATION_UDP_IPV4,
+	OSMO_PFCP_OUTER_HEADER_CREATION_UDP_IPV6,
+	OSMO_PFCP_OUTER_HEADER_CREATION_IPV4,
+	OSMO_PFCP_OUTER_HEADER_CREATION_IPV6,
+	OSMO_PFCP_OUTER_HEADER_CREATION_C_TAG,
+	OSMO_PFCP_OUTER_HEADER_CREATION_S_TAG,
+	OSMO_PFCP_OUTER_HEADER_CREATION_N19_INDICATION,
+	OSMO_PFCP_OUTER_HEADER_CREATION_N6_INDICATION,
+};
+
+/* 3GPP TS 29.244 8.2.64 */
+enum osmo_pfcp_outer_header_removal_desc {
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IPV4 = 0,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IPV6 = 1,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_UDP_IPV4 = 2,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_UDP_IPV6 = 3,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_IPV4 = 4,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_IPV6 = 5,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IP = 6,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_VLAN_S_TAG = 7,
+	OSMO_PFCP_OUTER_HEADER_REMOVAL_S_TAG_AND_C_TAG = 8,
+};
diff --git a/include/osmocom/pfcp/pfcp_strs.h b/include/osmocom/pfcp/pfcp_strs.h
new file mode 100644
index 0000000..d0b106a
--- /dev/null
+++ b/include/osmocom/pfcp/pfcp_strs.h
@@ -0,0 +1,94 @@
+/*
+ * (C) 2021-2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved.
+ *
+ * Author: Neels Janosch Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#include <osmocom/core/utils.h>
+
+#include <osmocom/pfcp/pfcp_proto.h>
+
+extern const struct value_string osmo_pfcp_message_type_strs[];
+static inline const char *osmo_pfcp_message_type_str(enum osmo_pfcp_message_type val)
+{
+	return get_value_string(osmo_pfcp_message_type_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_iei_strs[];
+static inline const char *osmo_pfcp_iei_str(enum osmo_pfcp_iei val)
+{
+	return get_value_string(osmo_pfcp_iei_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_cause_strs[];
+static inline const char *osmo_pfcp_cause_str(enum osmo_pfcp_cause val)
+{
+	return get_value_string(osmo_pfcp_cause_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_up_feature_strs[];
+static inline const char *osmo_pfcp_up_feature_str(enum osmo_pfcp_up_feature val)
+{
+	return get_value_string(osmo_pfcp_up_feature_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_cp_feature_strs[];
+static inline const char *osmo_pfcp_cp_feature_str(enum osmo_pfcp_cp_feature val)
+{
+	return get_value_string(osmo_pfcp_cp_feature_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_apply_action_strs[];
+static inline const char *osmo_pfcp_apply_action_str(enum osmo_pfcp_apply_action val)
+{
+	return get_value_string(osmo_pfcp_apply_action_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_outer_header_creation_strs[];
+static inline const char *osmo_pfcp_outer_header_creation_str(enum osmo_pfcp_outer_header_creation val)
+{
+	return get_value_string(osmo_pfcp_outer_header_creation_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_outer_header_removal_desc_strs[];
+static inline const char *osmo_pfcp_outer_header_removal_desc_str(enum osmo_pfcp_outer_header_removal_desc val)
+{
+	return get_value_string(osmo_pfcp_outer_header_removal_desc_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_source_iface_strs[];
+static inline const char *osmo_pfcp_source_iface_str(enum osmo_pfcp_source_iface val)
+{
+	return get_value_string(osmo_pfcp_source_iface_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_dest_iface_strs[];
+static inline const char *osmo_pfcp_dest_iface_str(enum osmo_pfcp_dest_iface val)
+{
+	return get_value_string(osmo_pfcp_dest_iface_strs, val);
+}
+
+extern const struct value_string osmo_pfcp_3gpp_iface_type_strs[];
+static inline const char *osmo_pfcp_3gpp_iface_type_str(enum osmo_pfcp_3gpp_iface_type val)
+{
+	return get_value_string(osmo_pfcp_3gpp_iface_type_strs, val);
+}
diff --git a/src/libosmo-pfcp/Makefile.am b/src/libosmo-pfcp/Makefile.am
index e69de29..f2dacfe 100644
--- a/src/libosmo-pfcp/Makefile.am
+++ b/src/libosmo-pfcp/Makefile.am
@@ -0,0 +1,28 @@
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir)/include \
+	-I$(top_builddir) \
+	-I$(builddir) \
+	$(NULL)
+
+AM_CFLAGS = \
+	-Wall \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOVTY_CFLAGS) \
+	$(COVERAGE_CFLAGS) \
+	$(NULL)
+
+AM_LDFLAGS = \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOVTY_LIBS) \
+	$(COVERAGE_LDFLAGS) \
+	$(NULL)
+
+noinst_LIBRARIES = \
+	libosmo-pfcp.a \
+	$(NULL)
+
+libosmo_pfcp_a_SOURCES = \
+	pfcp_strs.c \
+	$(NULL)
diff --git a/src/libosmo-pfcp/pfcp_strs.c b/src/libosmo-pfcp/pfcp_strs.c
new file mode 100644
index 0000000..bd53aa0
--- /dev/null
+++ b/src/libosmo-pfcp/pfcp_strs.c
@@ -0,0 +1,492 @@
+/*
+ * (C) 2021-2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved.
+ *
+ * Author: Neels Janosch Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/pfcp/pfcp_strs.h>
+
+const struct value_string osmo_pfcp_message_type_strs[] = {
+	{ OSMO_PFCP_MSGT_HEARTBEAT_REQ, "HEARTBEAT_REQ" },
+	{ OSMO_PFCP_MSGT_HEARTBEAT_RESP, "HEARTBEAT_RESP" },
+	{ OSMO_PFCP_MSGT_PFD_MGMT_REQ, "PFD_MGMT_REQ" },
+	{ OSMO_PFCP_MSGT_PFD_MGMT_RESP, "PFD_MGMT_RESP" },
+	{ OSMO_PFCP_MSGT_ASSOC_SETUP_REQ, "ASSOC_SETUP_REQ" },
+	{ OSMO_PFCP_MSGT_ASSOC_SETUP_RESP, "ASSOC_SETUP_RESP" },
+	{ OSMO_PFCP_MSGT_ASSOC_UPDATE_REQ, "ASSOC_UPDATE_REQ" },
+	{ OSMO_PFCP_MSGT_ASSOC_UPDATE_RESP, "ASSOC_UPDATE_RESP" },
+	{ OSMO_PFCP_MSGT_ASSOC_RELEASE_REQ, "ASSOC_RELEASE_REQ" },
+	{ OSMO_PFCP_MSGT_ASSOC_RELEASE_RESP, "ASSOC_RELEASE_RESP" },
+	{ OSMO_PFCP_MSGT_VERSION_NOT_SUPP_RESP, "VERSION_NOT_SUPP_RESP" },
+	{ OSMO_PFCP_MSGT_NODE_REPORT_REQ, "NODE_REPORT_REQ" },
+	{ OSMO_PFCP_MSGT_NODE_REPORT_RESP, "NODE_REPORT_RESP" },
+	{ OSMO_PFCP_MSGT_SESSION_SET_DEL_REQ, "SESSION_SET_DEL_REQ" },
+	{ OSMO_PFCP_MSGT_SESSION_SET_DEL_RESP, "SESSION_SET_DEL_RESP" },
+	{ OSMO_PFCP_MSGT_SESSION_EST_REQ, "SESSION_EST_REQ" },
+	{ OSMO_PFCP_MSGT_SESSION_EST_RESP, "SESSION_EST_RESP" },
+	{ OSMO_PFCP_MSGT_SESSION_MOD_REQ, "SESSION_MOD_REQ" },
+	{ OSMO_PFCP_MSGT_SESSION_MOD_RESP, "SESSION_MOD_RESP" },
+	{ OSMO_PFCP_MSGT_SESSION_DEL_REQ, "SESSION_DEL_REQ" },
+	{ OSMO_PFCP_MSGT_SESSION_DEL_RESP, "SESSION_DEL_RESP" },
+	{ OSMO_PFCP_MSGT_SESSION_REP_REQ, "SESSION_REP_REQ" },
+	{ OSMO_PFCP_MSGT_SESSION_REP_RESP, "SESSION_REP_RESP" },
+	{ 0 }
+};
+
+const struct value_string osmo_pfcp_iei_strs[] = {
+	{ OSMO_PFCP_IEI_CREATE_PDR, "Create PDR" },
+	{ OSMO_PFCP_IEI_PDI, "PDI" },
+	{ OSMO_PFCP_IEI_CREATE_FAR, "Create FAR" },
+	{ OSMO_PFCP_IEI_FORW_PARAMS, "Forwarding Parameters" },
+	{ OSMO_PFCP_IEI_DUPL_PARAMS, "Duplicating Parameters" },
+	{ OSMO_PFCP_IEI_CREATE_URR, "Create URR" },
+	{ OSMO_PFCP_IEI_CREATE_QER, "Create QER" },
+	{ OSMO_PFCP_IEI_CREATED_PDR, "Created PDR" },
+	{ OSMO_PFCP_IEI_UPD_PDR, "Update PDR" },
+	{ OSMO_PFCP_IEI_UPD_FAR, "Update FAR" },
+	{ OSMO_PFCP_IEI_UPD_FORW_PARAMS, "Update Forwarding Parameters" },
+	{ OSMO_PFCP_IEI_UPD_BAR_SESS_REP_RESP, "Update BAR (PFCP Session Report Response)" },
+	{ OSMO_PFCP_IEI_UPD_URR, "Update URR" },
+	{ OSMO_PFCP_IEI_UPD_QER, "Update QER" },
+	{ OSMO_PFCP_IEI_REMOVE_PDR, "Remove PDR" },
+	{ OSMO_PFCP_IEI_REMOVE_FAR, "Remove FAR" },
+	{ OSMO_PFCP_IEI_REMOVE_URR, "Remove URR" },
+	{ OSMO_PFCP_IEI_REMOVE_QER, "Remove QER" },
+	{ OSMO_PFCP_IEI_CAUSE, "Cause" },
+	{ OSMO_PFCP_IEI_SOURCE_IFACE, "Source Interface" },
+	{ OSMO_PFCP_IEI_F_TEID, "F-TEID" },
+	{ OSMO_PFCP_IEI_NETWORK_INST, "Network Instance" },
+	{ OSMO_PFCP_IEI_SDF_FILTER, "SDF Filter" },
+	{ OSMO_PFCP_IEI_APPLICATION_ID, "Application ID" },
+	{ OSMO_PFCP_IEI_GATE_STATUS, "Gate Status" },
+	{ OSMO_PFCP_IEI_MBR, "MBR" },
+	{ OSMO_PFCP_IEI_GBR, "GBR" },
+	{ OSMO_PFCP_IEI_QER_CORRELATION_ID, "QER Correlation ID" },
+	{ OSMO_PFCP_IEI_PRECEDENCE, "Precedence" },
+	{ OSMO_PFCP_IEI_TRANSPORT_LEVEL_MARKING, "Transport Level Marking" },
+	{ OSMO_PFCP_IEI_VOLUME_THRESH, "Volume Threshold" },
+	{ OSMO_PFCP_IEI_TIME_THRESH, "Time Threshold" },
+	{ OSMO_PFCP_IEI_MONITORING_TIME, "Monitoring Time" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_VOLUME_THRESH, "Subsequent Volume Threshold" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_TIME_THRESH, "Subsequent Time Threshold" },
+	{ OSMO_PFCP_IEI_INACT_DETECTION_TIME, "Inactivity Detection Time" },
+	{ OSMO_PFCP_IEI_REPORTING_TRIGGERS, "Reporting Triggers" },
+	{ OSMO_PFCP_IEI_REDIRECT_INFO, "Redirect Information" },
+	{ OSMO_PFCP_IEI_REP_TYPE, "Report Type" },
+	{ OSMO_PFCP_IEI_OFFENDING_IE, "Offending IE" },
+	{ OSMO_PFCP_IEI_FORW_POLICY, "Forwarding Policy" },
+	{ OSMO_PFCP_IEI_DESTINATION_IFACE, "Destination Interface" },
+	{ OSMO_PFCP_IEI_UP_FUNCTION_FEATURES, "UP Function Features" },
+	{ OSMO_PFCP_IEI_APPLY_ACTION, "Apply Action" },
+	{ OSMO_PFCP_IEI_DL_DATA_SERVICE_INFO, "Downlink Data Service Information" },
+	{ OSMO_PFCP_IEI_DL_DATA_NOTIFICATION_DELAY, "Downlink Data Notification Delay" },
+	{ OSMO_PFCP_IEI_DL_BUFF_DURATION, "DL Buffering Duration" },
+	{ OSMO_PFCP_IEI_DL_BUFF_SUGGESTED_PACKET_COUNT, "DL Buffering Suggested Packet Count" },
+	{ OSMO_PFCP_IEI_PFCPSMREQ_FLAGS, "PFCPSMReq-Flags" },
+	{ OSMO_PFCP_IEI_PFCPSRRSP_FLAGS, "PFCPSRRsp-Flags" },
+	{ OSMO_PFCP_IEI_LOAD_CTRL_INFO, "Load Control Information" },
+	{ OSMO_PFCP_IEI_SEQUENCE_NUMBER, "Sequence Number" },
+	{ OSMO_PFCP_IEI_METRIC, "Metric" },
+	{ OSMO_PFCP_IEI_OVERLOAD_CTRL_INFO, "Overload Control Information" },
+	{ OSMO_PFCP_IEI_TIMER, "Timer" },
+	{ OSMO_PFCP_IEI_PDR_ID, "PDR ID" },
+	{ OSMO_PFCP_IEI_F_SEID, "F-SEID" },
+	{ OSMO_PFCP_IEI_APPLICATION_IDS_PFDS, "Application ID's PFDs" },
+	{ OSMO_PFCP_IEI_PFD_CONTEXT, "PFD context" },
+	{ OSMO_PFCP_IEI_NODE_ID, "Node ID" },
+	{ OSMO_PFCP_IEI_PFD_CONTENTS, "PFD contents" },
+	{ OSMO_PFCP_IEI_MEAS_METHOD, "Measurement Method" },
+	{ OSMO_PFCP_IEI_USAGE_REP_TRIGGER, "Usage Report Trigger" },
+	{ OSMO_PFCP_IEI_MEAS_PERIOD, "Measurement Period" },
+	{ OSMO_PFCP_IEI_FQ_CSID, "FQ-CSID" },
+	{ OSMO_PFCP_IEI_VOLUME_MEAS, "Volume Measurement" },
+	{ OSMO_PFCP_IEI_DURATION_MEAS, "Duration Measurement" },
+	{ OSMO_PFCP_IEI_APPLICATION_DETECTION_INFO, "Application Detection Information" },
+	{ OSMO_PFCP_IEI_TIME_OF_FIRST_PACKET, "Time of First Packet" },
+	{ OSMO_PFCP_IEI_TIME_OF_LAST_PACKET, "Time of Last Packet" },
+	{ OSMO_PFCP_IEI_QUOTA_HOLDING_TIME, "Quota Holding Time" },
+	{ OSMO_PFCP_IEI_DROPPED_DL_TRAFFIC_THRESH, "Dropped DL Traffic Threshold" },
+	{ OSMO_PFCP_IEI_VOLUME_QUOTA, "Volume Quota" },
+	{ OSMO_PFCP_IEI_TIME_QUOTA, "Time Quota" },
+	{ OSMO_PFCP_IEI_START_TIME, "Start Time" },
+	{ OSMO_PFCP_IEI_END_TIME, "End Time" },
+	{ OSMO_PFCP_IEI_QUERY_URR, "Query URR" },
+	{ OSMO_PFCP_IEI_USAGE_REP_SESS_MOD_RESP, "Usage Report (Session Modification Response)" },
+	{ OSMO_PFCP_IEI_USAGE_REP_SESS_DEL_RESP, "Usage Report (Session Deletion Response)" },
+	{ OSMO_PFCP_IEI_USAGE_REP_SESS_REP_REQ, "Usage Report (Session Report Request)" },
+	{ OSMO_PFCP_IEI_URR_ID, "URR ID" },
+	{ OSMO_PFCP_IEI_LINKED_URR_ID, "Linked URR ID" },
+	{ OSMO_PFCP_IEI_DL_DATA_REP, "Downlink Data Report" },
+	{ OSMO_PFCP_IEI_OUTER_HEADER_CREATION, "Outer Header Creation" },
+	{ OSMO_PFCP_IEI_CREATE_BAR, "Create BAR" },
+	{ OSMO_PFCP_IEI_UPD_BAR_SESS_MOD_REQ, "Update BAR (Session Modification Request)" },
+	{ OSMO_PFCP_IEI_REMOVE_BAR, "Remove BAR" },
+	{ OSMO_PFCP_IEI_BAR_ID, "BAR ID" },
+	{ OSMO_PFCP_IEI_CP_FUNCTION_FEATURES, "CP Function Features" },
+	{ OSMO_PFCP_IEI_USAGE_INFO, "Usage Information" },
+	{ OSMO_PFCP_IEI_APPLICATION_INST_ID, "Application Instance ID" },
+	{ OSMO_PFCP_IEI_FLOW_INFO, "Flow Information" },
+	{ OSMO_PFCP_IEI_UE_IP_ADDRESS, "UE IP Address" },
+	{ OSMO_PFCP_IEI_PACKET_RATE, "Packet Rate" },
+	{ OSMO_PFCP_IEI_OUTER_HEADER_REMOVAL, "Outer Header Removal" },
+	{ OSMO_PFCP_IEI_RECOVERY_TIME_STAMP, "Recovery Time Stamp" },
+	{ OSMO_PFCP_IEI_DL_FLOW_LEVEL_MARKING, "DL Flow Level Marking" },
+	{ OSMO_PFCP_IEI_HEADER_ENRICHMENT, "Header Enrichment" },
+	{ OSMO_PFCP_IEI_ERROR_IND_REP, "Error Indication Report" },
+	{ OSMO_PFCP_IEI_MEAS_INFO, "Measurement Information" },
+	{ OSMO_PFCP_IEI_NODE_REP_TYPE, "Node Report Type" },
+	{ OSMO_PFCP_IEI_USER_PLANE_PATH_FAILURE_REP, "User Plane Path Failure Report" },
+	{ OSMO_PFCP_IEI_REMOTE_GTP_U_PEER, "Remote GTP-U Peer" },
+	{ OSMO_PFCP_IEI_UR_SEQN, "UR-SEQN" },
+	{ OSMO_PFCP_IEI_UPD_DUPL_PARAMS, "Update Duplicating Parameters" },
+	{ OSMO_PFCP_IEI_ACTIVATE_PREDEFINED_RULES, "Activate Predefined Rules" },
+	{ OSMO_PFCP_IEI_DEACTIVATE_PREDEFINED_RULES, "Deactivate Predefined Rules" },
+	{ OSMO_PFCP_IEI_FAR_ID, "FAR ID" },
+	{ OSMO_PFCP_IEI_QER_ID, "QER ID" },
+	{ OSMO_PFCP_IEI_OCI_FLAGS, "OCI Flags" },
+	{ OSMO_PFCP_IEI_PFCP_ASSOC_RELEASE_REQ, "PFCP Association Release Request" },
+	{ OSMO_PFCP_IEI_GRACEFUL_RELEASE_PERIOD, "Graceful Release Period" },
+	{ OSMO_PFCP_IEI_PDN_TYPE, "PDN Type" },
+	{ OSMO_PFCP_IEI_FAILED_RULE_ID, "Failed Rule ID" },
+	{ OSMO_PFCP_IEI_TIME_QUOTA_MECHANISM, "Time Quota Mechanism" },
+	{ OSMO_PFCP_IEI_RESERVED, "Reserved" },
+	{ OSMO_PFCP_IEI_USER_PLANE_INACT_TIMER, "User Plane Inactivity Timer" },
+	{ OSMO_PFCP_IEI_AGGREGATED_URRS, "Aggregated URRs" },
+	{ OSMO_PFCP_IEI_MULTIPLIER, "Multiplier" },
+	{ OSMO_PFCP_IEI_AGGREGATED_URR_ID, "Aggregated URR ID" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_VOLUME_QUOTA, "Subsequent Volume Quota" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_TIME_QUOTA, "Subsequent Time Quota" },
+	{ OSMO_PFCP_IEI_RQI, "RQI" },
+	{ OSMO_PFCP_IEI_QFI, "QFI" },
+	{ OSMO_PFCP_IEI_QUERY_URR_REFERENCE, "Query URR Reference" },
+	{ OSMO_PFCP_IEI_ADDITIONAL_USAGE_REPS_INFO, "Additional Usage Reports Information" },
+	{ OSMO_PFCP_IEI_CREATE_TRAFFIC_ENDPOINT, "Create Traffic Endpoint" },
+	{ OSMO_PFCP_IEI_CREATED_TRAFFIC_ENDPOINT, "Created Traffic Endpoint" },
+	{ OSMO_PFCP_IEI_UPD_TRAFFIC_ENDPOINT, "Update Traffic Endpoint" },
+	{ OSMO_PFCP_IEI_REMOVE_TRAFFIC_ENDPOINT, "Remove Traffic Endpoint" },
+	{ OSMO_PFCP_IEI_TRAFFIC_ENDPOINT_ID, "Traffic Endpoint ID" },
+	{ OSMO_PFCP_IEI_ETHERNET_PACKET_FILTER, "Ethernet Packet Filter" },
+	{ OSMO_PFCP_IEI_MAC_ADDRESS, "MAC address" },
+	{ OSMO_PFCP_IEI_C_TAG, "C-TAG" },
+	{ OSMO_PFCP_IEI_S_TAG, "S-TAG" },
+	{ OSMO_PFCP_IEI_ETHERTYPE, "Ethertype" },
+	{ OSMO_PFCP_IEI_PROXYING, "Proxying" },
+	{ OSMO_PFCP_IEI_ETHERNET_FILTER_ID, "Ethernet Filter ID" },
+	{ OSMO_PFCP_IEI_ETHERNET_FILTER_PROPERTIES, "Ethernet Filter Properties" },
+	{ OSMO_PFCP_IEI_SUGGESTED_BUFF_PACKETS_COUNT, "Suggested Buffering Packets Count" },
+	{ OSMO_PFCP_IEI_USER_ID, "User ID" },
+	{ OSMO_PFCP_IEI_ETHERNET_PDU_SESS_INFO, "Ethernet PDU Session Information" },
+	{ OSMO_PFCP_IEI_ETHERNET_TRAFFIC_INFO, "Ethernet Traffic Information" },
+	{ OSMO_PFCP_IEI_MAC_ADDRS_DETECTED, "MAC Addresses Detected" },
+	{ OSMO_PFCP_IEI_MAC_ADDRS_REMOVED, "MAC Addresses Removed" },
+	{ OSMO_PFCP_IEI_ETHERNET_INACT_TIMER, "Ethernet Inactivity Timer" },
+	{ OSMO_PFCP_IEI_ADDITIONAL_MONITORING_TIME, "Additional Monitoring Time" },
+	{ OSMO_PFCP_IEI_EVENT_QUOTA, "Event Quota" },
+	{ OSMO_PFCP_IEI_EVENT_THRESH, "Event Threshold" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_EVENT_QUOTA, "Subsequent Event Quota" },
+	{ OSMO_PFCP_IEI_SUBSEQUENT_EVENT_THRESH, "Subsequent Event Threshold" },
+	{ OSMO_PFCP_IEI_TRACE_INFO, "Trace Information" },
+	{ OSMO_PFCP_IEI_FRAMED_ROUTE, "Framed-Route" },
+	{ OSMO_PFCP_IEI_FRAMED_ROUTING, "Framed-Routing" },
+	{ OSMO_PFCP_IEI_FRAMED_IPV6_ROUTE, "Framed-IPv6-Route" },
+	{ OSMO_PFCP_IEI_TIME_STAMP, "Time Stamp" },
+	{ OSMO_PFCP_IEI_AVERAGING_WINDOW, "Averaging Window" },
+	{ OSMO_PFCP_IEI_PAGING_POLICY_INDICATOR, "Paging Policy Indicator" },
+	{ OSMO_PFCP_IEI_APN_DNN, "APN/DNN" },
+	{ OSMO_PFCP_IEI_3GPP_IFACE_TYPE, "3GPP Interface Type" },
+	{ OSMO_PFCP_IEI_PFCPSRREQ_FLAGS, "PFCPSRReq-Flags" },
+	{ OSMO_PFCP_IEI_PFCPAUREQ_FLAGS, "PFCPAUReq-Flags" },
+	{ OSMO_PFCP_IEI_ACTIVATION_TIME, "Activation Time" },
+	{ OSMO_PFCP_IEI_DEACTIVATION_TIME, "Deactivation Time" },
+	{ OSMO_PFCP_IEI_CREATE_MAR, "Create MAR" },
+	{ OSMO_PFCP_IEI_3GPP_ACCESS_FORW_ACTION_INFO, "3GPP Access Forwarding Action Information" },
+	{ OSMO_PFCP_IEI_NON_3GPP_ACCESS_FORW_ACTION_INFO, "Non-3GPP Access Forwarding Action Information" },
+	{ OSMO_PFCP_IEI_REMOVE_MAR, "Remove MAR" },
+	{ OSMO_PFCP_IEI_UPD_MAR, "Update MAR" },
+	{ OSMO_PFCP_IEI_MAR_ID, "MAR ID" },
+	{ OSMO_PFCP_IEI_STEERING_FUNCTIONALITY, "Steering Functionality" },
+	{ OSMO_PFCP_IEI_STEERING_MODE, "Steering Mode" },
+	{ OSMO_PFCP_IEI_WEIGHT, "Weight" },
+	{ OSMO_PFCP_IEI_PRIORITY, "Priority" },
+	{ OSMO_PFCP_IEI_UPD_3GPP_ACCESS_FORW_ACTION_INFO, "Update 3GPP Access Forwarding Action Information" },
+	{ OSMO_PFCP_IEI_UPD_NON_3GPP_ACCESS_FORW_ACTION_INFO, "Update Non 3GPP Access Forwarding Action Information" },
+	{ OSMO_PFCP_IEI_UE_IP_ADDRESS_POOL_IDENTITY, "UE IP address Pool Identity" },
+	{ OSMO_PFCP_IEI_ALTERNATIVE_SMF_IP_ADDRESS, "Alternative SMF IP Address" },
+	{ OSMO_PFCP_IEI_PACKET_REPLICATION_AND_DETECTION_CARRY_ON_INFO, "Packet Replication and Detection Carry-On Information" },
+	{ OSMO_PFCP_IEI_SMF_SET_ID, "SMF Set ID" },
+	{ OSMO_PFCP_IEI_QUOTA_VALIDITY_TIME, "Quota Validity Time" },
+	{ OSMO_PFCP_IEI_NUMBER_OF_REPS, "Number of Reports" },
+	{ OSMO_PFCP_IEI_PFCP_SESS_RETENTION_INFO_IN_ASSOC_SETUP_REQ, "PFCP Session Retention Information (within PFCP Association Setup Request)" },
+	{ OSMO_PFCP_IEI_PFCPASRSP_FLAGS, "PFCPASRsp-Flags" },
+	{ OSMO_PFCP_IEI_CP_ENTITY_IP_ADDRESS, "CP PFCP Entity IP Address" },
+	{ OSMO_PFCP_IEI_PFCPSEREQ_FLAGS, "PFCPSEReq-Flags" },
+	{ OSMO_PFCP_IEI_USER_PLANE_PATH_RECOVERY_REP, "User Plane Path Recovery Report" },
+	{ OSMO_PFCP_IEI_IP_MULTICAST_ADDR_INFO_IN_SESS_EST_REQ, "IP Multicast Addressing Info within PFCP Session Establishment Request" },
+	{ OSMO_PFCP_IEI_JOIN_IP_MULTICAST_INFO_IE_IN_USAGE_REP, "Join IP Multicast Information IE within Usage Report" },
+	{ OSMO_PFCP_IEI_LEAVE_IP_MULTICAST_INFO_IE_IN_USAGE_REP, "Leave IP Multicast Information IE within Usage Report" },
+	{ OSMO_PFCP_IEI_IP_MULTICAST_ADDRESS, "IP Multicast Address" },
+	{ OSMO_PFCP_IEI_SOURCE_IP_ADDRESS, "Source IP Address" },
+	{ OSMO_PFCP_IEI_PACKET_RATE_STATUS, "Packet Rate Status" },
+	{ OSMO_PFCP_IEI_CREATE_BRIDGE_INFO_FOR_TSC, "Create Bridge Info for TSC" },
+	{ OSMO_PFCP_IEI_CREATED_BRIDGE_INFO_FOR_TSC, "Created Bridge Info for TSC" },
+	{ OSMO_PFCP_IEI_DS_TT_PORT_NUMBER, "DS-TT Port Number" },
+	{ OSMO_PFCP_IEI_NW_TT_PORT_NUMBER, "NW-TT Port Number" },
+	{ OSMO_PFCP_IEI_TSN_BRIDGE_ID, "TSN Bridge ID" },
+	{ OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_MOD_REQ, "TSC Management Information IE within PFCP Session Modification Request" },
+	{ OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_MOD_RESP, "TSC Management Information IE within PFCP Session Modification Response" },
+	{ OSMO_PFCP_IEI_TSC_MGMT_INFO_IE_IN_SESS_REP_REQ, "TSC Management Information IE within PFCP Session Report Request" },
+	{ OSMO_PFCP_IEI_PORT_MGMT_INFO_CONTAINER, "Port Management Information Container" },
+	{ OSMO_PFCP_IEI_CLOCK_DRIFT_CTRL_INFO, "Clock Drift Control Information" },
+	{ OSMO_PFCP_IEI_REQUESTED_CLOCK_DRIFT_INFO, "Requested Clock Drift Information" },
+	{ OSMO_PFCP_IEI_CLOCK_DRIFT_REP, "Clock Drift Report" },
+	{ OSMO_PFCP_IEI_TSN_TIME_DOMAIN_NUMBER, "TSN Time Domain Number" },
+	{ OSMO_PFCP_IEI_TIME_OFFSET_THRESH, "Time Offset Threshold" },
+	{ OSMO_PFCP_IEI_CUMULATIVE_RATERATIO_THRESH, "Cumulative rateRatio Threshold" },
+	{ OSMO_PFCP_IEI_TIME_OFFSET_MEAS, "Time Offset Measurement" },
+	{ OSMO_PFCP_IEI_CUMULATIVE_RATERATIO_MEAS, "Cumulative rateRatio Measurement" },
+	{ OSMO_PFCP_IEI_REMOVE_SRR, "Remove SRR" },
+	{ OSMO_PFCP_IEI_CREATE_SRR, "Create SRR" },
+	{ OSMO_PFCP_IEI_UPD_SRR, "Update SRR" },
+	{ OSMO_PFCP_IEI_SESS_REP, "Session Report" },
+	{ OSMO_PFCP_IEI_SRR_ID, "SRR ID" },
+	{ OSMO_PFCP_IEI_ACCESS_AVAIL_CTRL_INFO, "Access Availability Control Information" },
+	{ OSMO_PFCP_IEI_REQUESTED_ACCESS_AVAIL_INFO, "Requested Access Availability Information" },
+	{ OSMO_PFCP_IEI_ACCESS_AVAIL_REP, "Access Availability Report" },
+	{ OSMO_PFCP_IEI_ACCESS_AVAIL_INFO, "Access Availability Information" },
+	{ OSMO_PFCP_IEI_PROVIDE_ATSSS_CTRL_INFO, "Provide ATSSS Control Information" },
+	{ OSMO_PFCP_IEI_ATSSS_CTRL_PARAMS, "ATSSS Control Parameters" },
+	{ OSMO_PFCP_IEI_MPTCP_CTRL_INFO, "MPTCP Control Information" },
+	{ OSMO_PFCP_IEI_ATSSS_LL_CTRL_INFO, "ATSSS-LL Control Information" },
+	{ OSMO_PFCP_IEI_PMF_CTRL_INFO, "PMF Control Information" },
+	{ OSMO_PFCP_IEI_MPTCP_PARAMS, "MPTCP Parameters" },
+	{ OSMO_PFCP_IEI_ATSSS_LL_PARAMS, "ATSSS-LL Parameters" },
+	{ OSMO_PFCP_IEI_PMF_PARAMS, "PMF Parameters" },
+	{ OSMO_PFCP_IEI_MPTCP_ADDRESS_INFO, "MPTCP Address Information" },
+	{ OSMO_PFCP_IEI_UE_LINK_SPECIFIC_IP_ADDRESS, "UE Link-Specific IP Address" },
+	{ OSMO_PFCP_IEI_PMF_ADDRESS_INFO, "PMF Address Information" },
+	{ OSMO_PFCP_IEI_ATSSS_LL_INFO, "ATSSS-LL Information" },
+	{ OSMO_PFCP_IEI_DATA_NETWORK_ACCESS_IDENTIFIER, "Data Network Access Identifier" },
+	{ OSMO_PFCP_IEI_UE_IP_ADDRESS_POOL_INFO, "UE IP address Pool Information" },
+	{ OSMO_PFCP_IEI_AVERAGE_PACKET_DELAY, "Average Packet Delay" },
+	{ OSMO_PFCP_IEI_MIN_PACKET_DELAY, "Minimum Packet Delay" },
+	{ OSMO_PFCP_IEI_MAX_PACKET_DELAY, "Maximum Packet Delay" },
+	{ OSMO_PFCP_IEI_QOS_REP_TRIGGER, "QoS Report Trigger" },
+	{ OSMO_PFCP_IEI_GTP_U_PATH_QOS_CTRL_INFO, "GTP-U Path QoS Control Information" },
+	{ OSMO_PFCP_IEI_GTP_U_PATH_QOS_REP_NODE_REP_REQ, "GTP-U Path QoS Report (PFCP Node Report Request)" },
+	{ OSMO_PFCP_IEI_QOS_INFO_IN_GTP_U_PATH_QOS_REP, "QoS Information in GTP-U Path QoS Report" },
+	{ OSMO_PFCP_IEI_GTP_U_PATH_IFACE_TYPE, "GTP-U Path Interface Type" },
+	{ OSMO_PFCP_IEI_QOS_MONITORING_PER_QOS_FLOW_CTRL_INFO, "QoS Monitoring per QoS flow Control Information" },
+	{ OSMO_PFCP_IEI_REQUESTED_QOS_MONITORING, "Requested QoS Monitoring" },
+	{ OSMO_PFCP_IEI_REPORTING_FREQUENCY, "Reporting Frequency" },
+	{ OSMO_PFCP_IEI_PACKET_DELAY_THRESHOLDS, "Packet Delay Thresholds" },
+	{ OSMO_PFCP_IEI_MIN_WAIT_TIME, "Minimum Wait Time" },
+	{ OSMO_PFCP_IEI_QOS_MONITORING_REP, "QoS Monitoring Report" },
+	{ OSMO_PFCP_IEI_QOS_MONITORING_MEAS, "QoS Monitoring Measurement" },
+	{ OSMO_PFCP_IEI_MT_EDT_CTRL_INFO, "MT-EDT Control Information" },
+	{ OSMO_PFCP_IEI_DL_DATA_PACKETS_SIZE, "DL Data Packets Size" },
+	{ OSMO_PFCP_IEI_QER_CTRL_INDICATIONS, "QER Control Indications" },
+	{ OSMO_PFCP_IEI_PACKET_RATE_STATUS_REP, "Packet Rate Status Report" },
+	{ OSMO_PFCP_IEI_NF_INST_ID, "NF Instance ID" },
+	{ OSMO_PFCP_IEI_ETHERNET_CONTEXT_INFO, "Ethernet Context Information" },
+	{ OSMO_PFCP_IEI_REDUNDANT_TRANSMISSION_PARAMS, "Redundant Transmission Parameters" },
+	{ OSMO_PFCP_IEI_UPDATED_PDR, "Updated PDR" },
+	{ OSMO_PFCP_IEI_S_NSSAI, "S-NSSAI" },
+	{ OSMO_PFCP_IEI_IP_VERSION, "IP version" },
+	{ OSMO_PFCP_IEI_PFCPASREQ_FLAGS, "PFCPASReq-Flags" },
+	{ OSMO_PFCP_IEI_DATA_STATUS, "Data Status" },
+	{ OSMO_PFCP_IEI_PROVIDE_RDS_CONF_INFO, "Provide RDS configuration information" },
+	{ OSMO_PFCP_IEI_RDS_CONF_INFO, "RDS configuration information" },
+	{ OSMO_PFCP_IEI_QUERY_PACKET_RATE_STATUS_IE_IN_SESS_MOD_REQ, "Query Packet Rate Status IE within PFCP Session Modification Request" },
+	{ OSMO_PFCP_IEI_PACKET_RATE_STATUS_REP_IE_IN_SESS_MOD_RESP, "Packet Rate Status Report IE within PFCP Session Modification Response" },
+	{ OSMO_PFCP_IEI_MPTCP_APPLICABLE_IND, "MPTCP Applicable Indication" },
+	{ OSMO_PFCP_IEI_BRIDGE_MGMT_INFO_CONTAINER, "Bridge Management Information Container" },
+	{ OSMO_PFCP_IEI_UE_IP_ADDRESS_USAGE_INFO, "UE IP Address Usage Information" },
+	{ OSMO_PFCP_IEI_NUMBER_OF_UE_IP_ADDRS, "Number of UE IP Addresses" },
+	{ OSMO_PFCP_IEI_VALIDITY_TIMER, "Validity Timer" },
+	{ OSMO_PFCP_IEI_REDUNDANT_TRANSMISSION_FORW_PARAMS, "Redundant Transmission Forwarding Parameters" },
+	{ OSMO_PFCP_IEI_TRANSPORT_DELAY_REPORTING, "Transport Delay Reporting" },
+	{ 0 }
+};
+
+const struct value_string osmo_pfcp_cause_strs[] = {
+	{ OSMO_PFCP_CAUSE_RESERVED, "0" },
+	{ OSMO_PFCP_CAUSE_REQUEST_ACCEPTED, "Request accepted (success)" },
+	{ OSMO_PFCP_CAUSE_MORE_USAGE_REPORT_TO_SEND, "More Usage Report to send" },
+	{ OSMO_PFCP_CAUSE_REQUEST_REJECTED, "Request rejected (reason not specified)" },
+	{ OSMO_PFCP_CAUSE_SESSION_CTX_NOT_FOUND, "Session context not found" },
+	{ OSMO_PFCP_CAUSE_MANDATORY_IE_MISSING, "Mandatory IE missing" },
+	{ OSMO_PFCP_CAUSE_CONDITIONAL_IE_MISSING, "Conditional IE missing" },
+	{ OSMO_PFCP_CAUSE_INVALID_LENGTH, "Invalid length" },
+	{ OSMO_PFCP_CAUSE_MANDATORY_IE_INCORRECT, "Mandatory IE incorrect" },
+	{ OSMO_PFCP_CAUSE_INVALID_FORW_POLICY, "Invalid Forwarding Policy" },
+	{ OSMO_PFCP_CAUSE_INVALID_F_TEID_ALLOC_OPTION, "Invalid F-TEID allocation option" },
+	{ OSMO_PFCP_CAUSE_NO_ESTABLISHED_PFCP_ASSOC, "No established PFCP Association" },
+	{ OSMO_PFCP_CAUSE_RULE_CREATION_MOD_FAILURE, "Rule creation/modification Failure" },
+	{ OSMO_PFCP_CAUSE_PFCP_ENTITY_IN_CONGESTION, "PFCP entity in congestion" },
+	{ OSMO_PFCP_CAUSE_NO_RESOURCES_AVAILABLE, "No resources available" },
+	{ OSMO_PFCP_CAUSE_SERVICE_NOT_SUPPORTED, "Service not supported" },
+	{ OSMO_PFCP_CAUSE_SYSTEM_FAILURE, "System failure" },
+	{ OSMO_PFCP_CAUSE_REDIRECTION_REQUESTED, "Redirection Requested" },
+	{ OSMO_PFCP_CAUSE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED, "All dynamic addresses are occupied" },
+	{ 0 }
+};
+
+const struct value_string osmo_pfcp_up_feature_strs[] = {
+	{ OSMO_PFCP_UP_FEAT_BUCP, "BUCP" },
+	{ OSMO_PFCP_UP_FEAT_DDND, "DDND" },
+	{ OSMO_PFCP_UP_FEAT_DLBD, "DLBD" },
+	{ OSMO_PFCP_UP_FEAT_TRST, "TRST" },
+	{ OSMO_PFCP_UP_FEAT_FTUP, "FTUP" },
+	{ OSMO_PFCP_UP_FEAT_PFDM, "PFDM" },
+	{ OSMO_PFCP_UP_FEAT_HEEU, "HEEU" },
+	{ OSMO_PFCP_UP_FEAT_TREU, "TREU" },
+	{ OSMO_PFCP_UP_FEAT_EMPU, "EMPU" },
+	{ OSMO_PFCP_UP_FEAT_PDIU, "PDIU" },
+	{ OSMO_PFCP_UP_FEAT_UDBC, "UDBC" },
+	{ OSMO_PFCP_UP_FEAT_QUOAC, "QUOAC" },
+	{ OSMO_PFCP_UP_FEAT_TRACE, "TRACE" },
+	{ OSMO_PFCP_UP_FEAT_FRRT, "FRRT" },
+	{ OSMO_PFCP_UP_FEAT_PFDE, "PFDE" },
+	{ OSMO_PFCP_UP_FEAT_EPFAR, "EPFAR" },
+	{ OSMO_PFCP_UP_FEAT_DPDRA, "DPDRA" },
+	{ OSMO_PFCP_UP_FEAT_ADPDP, "ADPDP" },
+	{ OSMO_PFCP_UP_FEAT_UEIP, "UEIP" },
+	{ OSMO_PFCP_UP_FEAT_SSET, "SSET" },
+	{ OSMO_PFCP_UP_FEAT_MNOP, "MNOP" },
+	{ OSMO_PFCP_UP_FEAT_MTE, "MTE" },
+	{ OSMO_PFCP_UP_FEAT_BUNDL, "BUNDL" },
+	{ OSMO_PFCP_UP_FEAT_GCOM, "GCOM" },
+	{ OSMO_PFCP_UP_FEAT_MPAS, "MPAS" },
+	{ OSMO_PFCP_UP_FEAT_RTTL, "RTTL" },
+	{ OSMO_PFCP_UP_FEAT_VTIME, "VTIME" },
+	{ OSMO_PFCP_UP_FEAT_NORP, "NORP" },
+	{ OSMO_PFCP_UP_FEAT_IP6PL, "IP6PL" },
+	{ OSMO_PFCP_UP_FEAT_TSCU, "TSCU" },
+	{ OSMO_PFCP_UP_FEAT_MPTCP, "MPTCP" },
+	{ OSMO_PFCP_UP_FEAT_ATSSSLL, "ATSSSLL" },
+	{ OSMO_PFCP_UP_FEAT_QFQM, "QFQM" },
+	{ OSMO_PFCP_UP_FEAT_GPQM, "GPQM" },
+	{ OSMO_PFCP_UP_FEAT_MTEDT, "MTEDT" },
+	{ OSMO_PFCP_UP_FEAT_CIOT, "CIOT" },
+	{ OSMO_PFCP_UP_FEAT_ETHAR, "ETHAR" },
+	{ OSMO_PFCP_UP_FEAT_DDDS, "DDDS" },
+	{ OSMO_PFCP_UP_FEAT_RDS, "RDS" },
+	{ OSMO_PFCP_UP_FEAT_RTTWP, "RTTWP" },
+	{}
+};
+
+
+const struct value_string osmo_pfcp_cp_feature_strs[] = {
+	{ OSMO_PFCP_CP_FEAT_LOAD, "LOAD" },
+	{ OSMO_PFCP_CP_FEAT_OVRL, "OVRL" },
+	{ OSMO_PFCP_CP_FEAT_EPFAR, "EPFAR" },
+	{ OSMO_PFCP_CP_FEAT_SSET, "SSET" },
+	{ OSMO_PFCP_CP_FEAT_BUNDL, "BUNDL" },
+	{ OSMO_PFCP_CP_FEAT_MPAS, "MPAS" },
+	{ OSMO_PFCP_CP_FEAT_ARDR, "ARDR" },
+	{ OSMO_PFCP_CP_FEAT_UIAUR, "UIAUR" },
+	{}
+};
+
+const struct value_string osmo_pfcp_apply_action_strs[] = {
+	{ OSMO_PFCP_APPLY_ACTION_DROP, "DROP" },
+	{ OSMO_PFCP_APPLY_ACTION_FORW, "FORW" },
+	{ OSMO_PFCP_APPLY_ACTION_BUFF, "BUFF" },
+	{ OSMO_PFCP_APPLY_ACTION_NOCP, "NOCP" },
+	{ OSMO_PFCP_APPLY_ACTION_DUPL, "DUPL" },
+	{ OSMO_PFCP_APPLY_ACTION_IPMA, "IPMA" },
+	{ OSMO_PFCP_APPLY_ACTION_IPMD, "IPMD" },
+	{ OSMO_PFCP_APPLY_ACTION_DFRT, "DFRT" },
+	{ OSMO_PFCP_APPLY_ACTION_EDRT, "EDRT" },
+	{ OSMO_PFCP_APPLY_ACTION_BDPN, "BDPN" },
+	{ OSMO_PFCP_APPLY_ACTION_DDPN, "DDPN" },
+	{}
+};
+
+const struct value_string osmo_pfcp_outer_header_creation_strs[] = {
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_GTP_U_UDP_IPV4, "GTP_U_UDP_IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_GTP_U_UDP_IPV6, "GTP_U_UDP_IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_UDP_IPV4, "UDP_IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_UDP_IPV6, "UDP_IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_IPV4, "IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_IPV6, "IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_C_TAG, "C_TAG" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_S_TAG, "S_TAG" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_N19_INDICATION, "N19_INDICATION" },
+	{ OSMO_PFCP_OUTER_HEADER_CREATION_N6_INDICATION, "N6_INDICATION" },
+	{}
+};
+
+const struct value_string osmo_pfcp_outer_header_removal_desc_strs[] = {
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IPV4, "GTP_U_UDP_IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IPV6, "GTP_U_UDP_IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_UDP_IPV4, "UDP_IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_UDP_IPV6, "UDP_IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_IPV4, "IPV4" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_IPV6, "IPV6" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_GTP_U_UDP_IP, "GTP_U_UDP_IP" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_VLAN_S_TAG, "VLAN_S_TAG" },
+	{ OSMO_PFCP_OUTER_HEADER_REMOVAL_S_TAG_AND_C_TAG, "S_TAG_AND_C_TAG" },
+	{}
+};
+
+const struct value_string osmo_pfcp_source_iface_strs[] = {
+	{ OSMO_PFCP_SOURCE_IFACE_ACCESS, "Access" },
+	{ OSMO_PFCP_SOURCE_IFACE_CORE, "Core" },
+	{ OSMO_PFCP_SOURCE_IFACE_SGI_LAN_N6_LAN, "SGi-LAN/N6-LAN" },
+	{ OSMO_PFCP_SOURCE_IFACE_CP_FUNCTION, "CP-function" },
+	{ OSMO_PFCP_SOURCE_IFACE_5G_VN_INTERNAL, "5G-VN-Internal" },
+	{}
+};
+
+const struct value_string osmo_pfcp_dest_iface_strs[] = {
+	{ OSMO_PFCP_DEST_IFACE_ACCESS, "Access" },
+	{ OSMO_PFCP_DEST_IFACE_CORE, "Core" },
+	{ OSMO_PFCP_DEST_IFACE_SGI_LAN_N6_LAN, "SGi-LAN/N6-LAN" },
+	{ OSMO_PFCP_DEST_IFACE_CP_FUNCTION, "CP-function" },
+	{ OSMO_PFCP_DEST_IFACE_LI_FUNCTION, "LI-function" },
+	{ OSMO_PFCP_DEST_IFACE_5G_VN_INTERNAL, "5G-VN-Internal" },
+	{}
+};
+
+const struct value_string osmo_pfcp_3gpp_iface_type_strs[] = {
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S1_U, "S1_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S5_S8_U, "S5_S8_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S4_U, "S4_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S11_U, "S11_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S12_U, "S12_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_GN_GP_U, "GN_GP_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S2A_U, "S2A_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S2B_U, "S2B_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_ENODEB_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING, "ENODEB_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_ENODEB_GTP_U_INTERFACE_FOR_UL_DATA_FORWARDING, "ENODEB_GTP_U_INTERFACE_FOR_UL_DATA_FORWARDING" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_SGW_UPF_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING, "SGW_UPF_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N3_3GPP_ACCESS, "N3_3GPP_ACCESS" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N3_TRUSTED_NON_3GPP_ACCESS, "N3_TRUSTED_NON_3GPP_ACCESS" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N3_UNTRUSTED_NON_3GPP_ACCESS, "N3_UNTRUSTED_NON_3GPP_ACCESS" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N3_FOR_DATA_FORWARDING, "N3_FOR_DATA_FORWARDING" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N9, "N9" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_SGI, "SGI" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N6, "N6" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_N19, "N19" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_S8_U, "S8_U" },
+	{ OSMO_PFCP_3GPP_IFACE_TYPE_GP_U, "GP_U" },
+	{}
+};