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authorHarald Welte <laforge@osmocom.org>2020-06-13 19:50:04 +0200
committerHarald Welte <laforge@osmocom.org>2020-06-13 19:50:04 +0200
commitbfc270ca190c0e8e1f1fd63bf96798c55c6be3b3 (patch)
tree9d871e0f0d9935edb861fdd6c73ff09561fd1dcd
parentb282de726e9d6f392dbc6c2423eacb0e1dfd130c (diff)
WIP: 3GPP TS 29.018 definitions for Gs interfacelaforge/gs
-rw-r--r--include/Makefile.am1
-rw-r--r--include/osmocom/gsm/protocol/gsm_29_018.h134
-rw-r--r--src/gsm/Makefile.am3
-rw-r--r--src/gsm/gsm29018.c90
4 files changed, 227 insertions, 1 deletions
diff --git a/include/Makefile.am b/include/Makefile.am
index 456b8ef0..a632ca7f 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -128,6 +128,7 @@ nobase_include_HEADERS = \
osmocom/gsm/protocol/gsm_23_003.h \
osmocom/gsm/protocol/gsm_23_041.h \
osmocom/gsm/protocol/gsm_29_118.h \
+ osmocom/gsm/protocol/gsm_29_018.h \
osmocom/gsm/protocol/gsm_44_318.h \
osmocom/gsm/protocol/gsm_48_049.h \
osmocom/gsm/protocol/ipaccess.h \
diff --git a/include/osmocom/gsm/protocol/gsm_29_018.h b/include/osmocom/gsm/protocol/gsm_29_018.h
new file mode 100644
index 00000000..e52faffe
--- /dev/null
+++ b/include/osmocom/gsm/protocol/gsm_29_018.h
@@ -0,0 +1,134 @@
+#pragma once
+
+/* Definitions for the BSSAP+ protocol of the Gs interface as per 3GPP TS 29.018 V15.0.0 */
+
+#include <osmocom/core/utils.h>
+
+/* TS 29.018 Section 18.2 */
+enum bssapp_msg_type {
+ BSSAPP_PAGING_REQ = 0x01,
+ BSSAPP_PAGING_REJ = 0x02,
+ BSSAPP_DL_TUNNEL_REQ = 0x07,
+ BSSAPP_UL_TUNNEL_REQ = 0x08,
+ BSSAPP_LOC_UPD_REQ = 0x09,
+ BSSAPP_LOC_UPD_ACC = 0x0a,
+ BSSAPP_LOC_UPD_REJ = 0x0b,
+ BSSAPP_TMSI_REALL_CMPL = 0x0c,
+ BSSAPP_ALERT_REQ = 0x0d,
+ BSSAPP_ALERT_ACK = 0x0e,
+ BSSAPP_ALERT_REJ = 0x0f,
+ BSSAPP_MS_ACTIVITY_IND = 0x10,
+ BSSAPP_GPRS_DETACH_IND = 0x11,
+ BSSAPP_GPRS_DETACH_ACK = 0x12,
+ BSSAPP_IMSI_DETACH_IND = 0x13,
+ BSSAPP_IMSI_DETACH_ACK = 0x14,
+ BSSAPP_RESET_IND = 0x15,
+ BSSAPP_RESET_ACK = 0x16,
+ BSSAPP_MS_INFO_REQ = 0x17,
+ BSSAPP_MS_INFO_RESP = 0x18,
+ BSSAPP_MM_INFO_REQ = 0x1a,
+ BSSAPP_MOBILE_STATUS = 0x1d,
+ BSSAPP_MS_UNREACHABLE = 0x1f,
+};
+extern const struct value_string bssapp_msg_type_names[];
+static inline const char *bssapp_msg_type_name(enum bssapp_msg_type msgt) {
+ return get_value_string(bssapp_msg_type_names, msgt);
+}
+
+
+/* TS 29.018 Section 18.3 */
+enum bssapp_iei {
+ BSSAPP_IEI_IMSI = 0x01,
+ BSSAPP_IEI_VLR_NUMBER = 0x02,
+ BSSAPP_IEI_TMSI = 0x03,
+ BSSAPP_IEI_LAI = 0x04,
+ BSSAPP_IEI_CHAN_NEEDED = 0x05,
+ BSSAPP_IEI_eMLPP_PRIORITY = 0x06,
+ BSSAPP_IEI_TMSI_STATUS = 0x07,
+ BSSAPP_IEI_Gs_CAUSE = 0x08,
+ BSSAPP_IEI_SGSN_NUMBER = 0x09,
+ BSSAPP_IEI_GPRS_LU_TYPE = 0x0a,
+ BSSAPP_IEI_GLOBAL_CN_ID = 0x0b,
+ BSSAPP_IEI_MS_CLASSMARK_1 = 0x0d,
+ BSSAPP_IEI_MOBILE_ID = 0x0e,
+ BSSAPP_IEI_REJECT_CAUSE = 0x0f,
+ BSSAPP_IEI_IMSI_DET_FROM_GPRS_TYPE = 0x10,
+ BSSAPP_IEI_IMSI_DET_FROM_NON_GPRS_TYPE = 0x11,
+ BSSAPP_IEI_INFORMATION_REQUESTED = 0x12,
+ BSSAPP_IEI_PTMSI = 0x13,
+ BSSAPP_IEI_IMEI = 0x14,
+ BSSAPP_IEI_IMEISV = 0x15,
+ BSSAPP_IEI_MM_INFORMATION = 0x17,
+ BSSAPP_IEI_CGI = 0x18,
+ BSSAPP_IEI_LOC_INFO_AGE = 0x19,
+ BSSAPP_IEI_MS_STATE = 0x1a,
+ BSSAPP_IEI_ERRONEOUS_MSG = 0x1b,
+ BSSAPP_IEI_DL_TUN_PAYLOAD_CTRL_INFO = 0x1c,
+ BSSAPP_IEI_UL_TUN_PAYLOAD_CTRL_INFO = 0x1d,
+ BSSAPP_IEI_SAI = 0x1e,
+ BSSAPP_IEI_TMSI_BASED_NRI_CONTAINER = 0x1f,
+};
+extern const struct value_string bssapp_iei_names[];
+static inline const char *bssapp_iei_name(enum bssapp_iei iei) {
+ return get_value_string(bssapp_iei_names, iei);
+}
+
+
+/* TS 29.018 Section 18.4.6 */
+enum bssapp_gprs_lu_type {
+ BSSAPP_LU_T_IMSI_ATTACH = 0x01,
+ BSSAPP_LU_T_NORMAL = 0x02,
+};
+
+/* TS 29.018 Section 18.4.7 */
+enum bssapp_gs_cause {
+ BSSAPP_GSC_IMSI_DET_FOR_GPRS = 0x01,
+ BSSAPP_GSC_IMSI_DET_FOR_GPRS_AND_NON = 0x02,
+ BSSAPP_GSC_IMSI_UNKNOWN = 0x03,
+ BSSAPP_GSC_IMSI_DET_FOR_NON_GPRS = 0x04,
+ BSSAPP_GSC_IMSI_IMPL_DET_FOR_NON_GPRS = 0x05,
+ BSSAPP_GSC_MS_UNREACHABLE = 0x06,
+ BSSAPP_GSC_MSG_INCOMP_PROT_STATE = 0x07,
+ BSSAPP_GSC_MISSING_MAND_IE = 0x08,
+ BSSAPP_GSC_INVAL_MAND_IE = 0x09,
+ BSSAPP_GSC_COND_IE_ERR = 0x0a,
+ BSSAPP_GSC_SEM_INCORR_MSG = 0x0b,
+ BSSAPP_GSC_MSG_UNKNOWN = 0x0c,
+ BSSAPP_GSC_ADDR_ERROR = 0x0d,
+ BSSAPP_GSC_TOM_NOT_SUPPORTED = 0x0e,
+ BSSAPP_GSC_CIPH_REQ_CANT_ACCOMM = 0x0f,
+};
+
+/* TS 29.018 Section 18.4.12 */
+enum bssapp_imsi_det_non_gprs_type {
+ BSSAPP_IDNGT_EXPL_MO_IMSI_DET_NON_GPRS = 0x01,
+ BSSAPP_IDNGT_COMB_EXPL_MO_IMSI_DET_GPRS_AND_NON = 0x02,
+ BSSAPP_IDNGT_IMPL_MT_IMSI_DET_GPRS_AND_NON = 0x03,
+};
+
+
+/* TS 29.018 Section 18.4.13 */
+enum bssapp_info_req {
+ BSSAPP_INFO_PTMSI = 0x01,
+ BSSAPP_INFO_IMEI = 0x02,
+ BSSAPP_INFO_IMEISV = 0x03,
+ BSSAPP_INFO_PTMSI_AND_IMEI = 0x04,
+ BSSAPP_INFO_PTMSI_AND_IMEISV = 0x05,
+ BSSAPP_INFO_IMEI_AND_IMEISV = 0x06,
+ BSSAPP_INFO_PTMSI_IMEI_AND_IMEISV = 0x07,
+ BSSAPP_INFO_MOBILE_LOC_INFO = 0x08,
+ BSSAPP_INFO_TMSI = 0x09,
+};
+
+/* TS 29.018 Mobile station state */
+enum bssapp_ms_state {
+ BSSAPP_MS_ST_IDLE_OR_PMM_DETACHED = 0x00,
+ BSSAPP_MS_ST_STANDBY_OR_PMM_IDLE_NO_PDP = 0x01,
+ BSSAPP_MS_ST_STANDBY_OR_PMM_IDLE_PDP = 0x02,
+ BSSAPP_MS_ST_SUSPENDED_NO_PDP = 0x03,
+ BSSAPP_MS_ST_SUSPENDED_PDP = 0x04,
+ BSSAPP_MS_ST_READY_OR_PMM_CONN_NO_PDP = 0x05,
+ BSSAPP_MS_ST_READY_OR_PMM_CONN_PDP = 0x06,
+ BSSAPP_MS_ST_IMSI_UNKNOWN = 0x07,
+ BSSAPP_MS_ST_INFO_REQ_NOTSUPP = 0x08,
+};
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index eeb11648..c8b9389d 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -32,7 +32,8 @@ libgsmint_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c comp128v23.c \
milenage/milenage.c gan.c ipa.c gsm0341.c apn.c \
gsup.c gsup_sms.c gprs_gea.c gsm0503_conv.c oap.c gsm0808_utils.c \
gsm23003.c mncc.c bts_features.c oap_client.c \
- gsm29118.c gsm48_rest_octets.c cbsp.c gsm48049.c i460_mux.c
+ gsm29118.c gsm48_rest_octets.c cbsp.c gsm48049.c i460_mux.c \
+ gsm29018.c
libgsmint_la_LDFLAGS = -no-undefined
libgsmint_la_LIBADD = $(top_builddir)/src/libosmocore.la
diff --git a/src/gsm/gsm29018.c b/src/gsm/gsm29018.c
new file mode 100644
index 00000000..78669343
--- /dev/null
+++ b/src/gsm/gsm29018.c
@@ -0,0 +1,90 @@
+/* (C) 2020 by Harald Welte <laforge@osmocom.org>
+ * All Rights Reserved
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <osmocom/core/utils.h>
+#include <osmocom/gsm/tlv.h>
+
+#include <osmocom/gsm/protocol/gsm_29_018.h>
+
+const struct value_string bssapp_msg_type_names[] = {
+ { BSSAPP_PAGING_REQ, "PAGING-REQUEST" },
+ { BSSAPP_PAGING_REJ, "PAGING-REJECT" },
+ { BSSAPP_DL_TUNNEL_REQ, "DOWNLINK-TUNNEL-REQUEST" },
+ { BSSAPP_UL_TUNNEL_REQ, "UPLINK-TUNNEL-REQUEST" },
+ { BSSAPP_LOC_UPD_REQ, "LOCATION-UPDATE-REQUEST" },
+ { BSSAPP_LOC_UPD_ACC, "LOCATION-UPDATE-ACCEPT" },
+ { BSSAPP_LOC_UPD_REJ, "LOCATION-UPDATE-REJECT" },
+ { BSSAPP_TMSI_REALL_CMPL, "TMSI-REALLOCATION-COMPLETE" },
+ { BSSAPP_ALERT_REQ, "ALERT-REQUEST" },
+ { BSSAPP_ALERT_ACK, "ALART-ACK" },
+ { BSSAPP_ALERT_REJ, "ALERT-REJECT" },
+ { BSSAPP_MS_ACTIVITY_IND, "MS-ACTIVITY-INDICATION" },
+ { BSSAPP_GPRS_DETACH_IND, "GPRS-DETACH-INDICATION" },
+ { BSSAPP_GPRS_DETACH_ACK, "GPRS-DETACH-ACK" },
+ { BSSAPP_IMSI_DETACH_IND, "IMSI-DETACH-INDICATION" },
+ { BSSAPP_IMSI_DETACH_ACK, "IMSI-DETACH-ACK" },
+ { BSSAPP_RESET_IND, "RESET-INDICATION" },
+ { BSSAPP_RESET_ACK, "RESET-ACK" },
+ { BSSAPP_MS_INFO_REQ, "MS-INFO-REQUEST" },
+ { BSSAPP_MS_INFO_RESP, "MS-INFO-RESPONSE" },
+ { BSSAPP_MM_INFO_REQ, "MM-INFO-REQUEST" },
+ { BSSAPP_MOBILE_STATUS, "MOBILE-STATUS" },
+ { BSSAPP_MS_UNREACHABLE, "MS-UNREACHABLE" },
+ { 0, NULL }
+};
+
+extern const struct value_string bssapp_iei_names[] = {
+ { 0, FIXME }
+};
+
+
+const struct tlv_definition bssapp_ie_tlvdef = {
+ .def = {
+ [BSSAPP_IEI_IMSI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_VLR_NUMBER] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_TMSI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_LAI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_CHAN_NEEDED] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_eMLPP_PRIORITY] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_TMSI_STATUS] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_Gs_CAUSE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_SGSN_NUMBER] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_GPRS_LU_TYPE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_GLOBAL_CN_ID] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_MS_CLASSMARK_1] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_MOBILE_ID] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_REJECT_CAUSE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_IMSI_DET_FROM_GPRS_TYPE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_IMSI_DET_FROM_NON_GPRS_TYPE]= { TLV_TYPE_TLV },
+ [BSSAPP_IEI_INFORMATION_REQUESTED] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_PTMSI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_IMEI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_IMEISV] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_MM_INFORMATION] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_CGI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_LOC_INFO_AGE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_MS_STATE] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_ERRONEOUS_MSG] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_DL_TUN_PAYLOAD_CTRL_INFO] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_UL_TUN_PAYLOAD_CTRL_INFO] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_SAI] = { TLV_TYPE_TLV },
+ [BSSAPP_IEI_TMSI_BASED_NRI_CONTAINER] = { TLV_TYPE_TLV },
+ },
+};