CBSP (Cell Broadcast Service Protocol; 3GPP TS 48.049) support
This introduces definitions as well as a parser+encoder for the
Cell Broadcast Service Protocol (CBSP) as specified in 3GPP TS 48.049.
CBSP is used on the interface between CBC and BSC.
Related: OS#3537
Change-Id: I5b7ae08f67e415967b60ac4b824db9e22ca00935
diff --git a/src/gsm/gsm48049.c b/src/gsm/gsm48049.c
new file mode 100644
index 0000000..5e74356
--- /dev/null
+++ b/src/gsm/gsm48049.c
@@ -0,0 +1,111 @@
+/* CBSP is an ETSI/3GPP standard protocol used between CBC (Cell Brodadcast Centre)
+ * and BSC (Base Station Controller0 in 2G/GSM/GERAN networks. It is specified
+ * in 3GPP TS 48.049
+ *
+ * (C) 2019 by Harald Welte <laforge@gnumonks.org>
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Released under the terms of the GNU General Public License, Version 2 or
+ * (at your option) any later version.
+ */
+
+#include <stddef.h>
+#include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/protocol/gsm_48_049.h>
+
+/***********************************************************************
+ * Protocol Definitions
+ ***********************************************************************/
+
+const struct value_string cbsp_msg_type_names[] = {
+ { CBSP_MSGT_WRITE_REPLACE, "WRITE-REPLACE" },
+ { CBSP_MSGT_WRITE_REPLACE_COMPL, "WRITE-REPLACE COMPLETE" },
+ { CBSP_MSGT_WRITE_REPLACE_FAIL, "WRITE-REPLACE FAILURE" },
+ { CBSP_MSGT_KILL, "KILL" },
+ { CBSP_MSGT_KILL_COMPL, "KILL COMPLETE" },
+ { CBSP_MSGT_KILL_FAIL, "KILL FAILURE" },
+ { CBSP_MSGT_LOAD_QUERY, "LOAD QUERY" },
+ { CBSP_MSGT_LOAD_QUERY_COMPL, "LOAD QUERY COMPLETE" },
+ { CBSP_MSGT_LOAD_QUERY_FAIL, "LOAD QUERY FAILURE" },
+ { CBSP_MSGT_MSG_STATUS_QUERY, "MESSAGE STATUS QUERY" },
+ { CBSP_MSGT_MSG_STATUS_QUERY_COMPL, "MESSAGE STATUS QUERY COMPLETE" },
+ { CBSP_MSGT_MSG_STATUS_QUERY_FAIL, "MESSAGE STATUS QUERY FAILURE" },
+ { CBSP_MSGT_SET_DRX, "SET-DRX" },
+ { CBSP_MSGT_SET_DRX_COMPL, "SET-DRX COMPLETE" },
+ { CBSP_MSGT_SET_DRX_FAIL, "SET-DRX FAILURE" },
+ { CBSP_MSGT_RESET, "RESET" },
+ { CBSP_MSGT_RESET_COMPL, "RESET COMPLETE" },
+ { CBSP_MSGT_RESET_FAIL, "RESET FAILURE" },
+ { CBSP_MSGT_RESTART, "RESTART" },
+ { CBSP_MSGT_FAILURE, "FAILURE" },
+ { CBSP_MSGT_ERROR_IND, "ERROR INDICATION" },
+ { CBSP_MSGT_KEEP_ALIVE, "KEEP-ALIVE" },
+ { CBSP_MSGT_KEEP_ALIVE_COMPL, "KEEP-ALIVE COMPLETE" },
+ { 0, NULL }
+};
+
+const struct value_string cbsp_iei_names[] = {
+ { CBSP_IEI_MSG_CONTENT, "Message Content" },
+ { CBSP_IEI_OLD_SERIAL_NR, "Old Serial Number" },
+ { CBSP_IEI_NEW_SERIAL_NR, "New Serial Number" },
+ { CBSP_IEI_CELL_LIST, "Cell List" },
+ { CBSP_IEI_CATEGORY, "Category" },
+ { CBSP_IEI_REP_PERIOD, "Repetition Period" },
+ { CBSP_IEI_NUM_BCAST_REQ, "Number of Broadcasts Requested" },
+ { CBSP_IEI_NUM_BCAST_COMPL_LIST,"Number of Broadcasts Completed List" },
+ { CBSP_IEI_FAILURE_LIST, "Failure List" },
+ { CBSP_IEI_RR_LOADING_LIST, "Radio Resource Loading List" },
+ { CBSP_IEI_CAUSE, "Cause" },
+ { CBSP_IEI_DCS, "Data Coding Scheme" },
+ { CBSP_IEI_RECOVERY_IND, "Recovery Indication" },
+ { CBSP_IEI_MSG_ID, "Message Identifier" },
+ { CBSP_IEI_EMERG_IND, "Emergency Indicator" },
+ { CBSP_IEI_WARN_TYPE, "Warning Type" },
+ { CBSP_IEI_WARN_SEC_INFO, "warning Security Information" },
+ { CBSP_IEI_CHANNEL_IND, "Channel Indicator" },
+ { CBSP_IEI_NUM_OF_PAGES, "Number of Pages" },
+ { CBSP_IEI_SCHEDULE_PERIOD, "Schedule Period" },
+ { CBSP_IEI_NUM_OF_RES_SLOTS, "Number of Reserved Slots" },
+ { CBSP_IEI_BCAST_MSG_TYPE, "Broadcast Message Type" },
+ { CBSP_IEI_WARNING_PERIOD, "Waring Period" },
+ { CBSP_IEI_KEEP_ALIVE_REP_PERIOD, "Keep Alive Repetition Period" },
+ { 0, NULL }
+};
+
+const struct value_string cbsp_category_names[] = {
+ { CBSP_CATEG_HIGH_PRIO, "High Priority" },
+ { CBSP_CATEG_BACKGROUND, "Background" },
+ { CBSP_CATEG_NORMAL, "Normal" },
+ { 0, NULL }
+};
+
+const struct tlv_definition cbsp_att_tlvdef = {
+ .def = {
+ [CBSP_IEI_MSG_CONTENT] = { TLV_TYPE_FIXED, 83 },
+ [CBSP_IEI_OLD_SERIAL_NR] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_NEW_SERIAL_NR] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_CELL_LIST] = { TLV_TYPE_TL16V },
+ [CBSP_IEI_CATEGORY] = { TLV_TYPE_TV },
+ [CBSP_IEI_REP_PERIOD] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_NUM_BCAST_REQ] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_NUM_BCAST_COMPL_LIST] = { TLV_TYPE_TL16V },
+ [CBSP_IEI_FAILURE_LIST] = { TLV_TYPE_TL16V },
+ [CBSP_IEI_RR_LOADING_LIST] = { TLV_TYPE_TL16V },
+ [CBSP_IEI_CAUSE] = { TLV_TYPE_TV },
+ [CBSP_IEI_DCS] = { TLV_TYPE_TV },
+ [CBSP_IEI_RECOVERY_IND] { TLV_TYPE_TV },
+ [CBSP_IEI_MSG_ID] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_EMERG_IND] = { TLV_TYPE_TV },
+ [CBSP_IEI_WARN_TYPE] = { TLV_TYPE_FIXED, 2 },
+ [CBSP_IEI_WARN_SEC_INFO] = { TLV_TYPE_FIXED, 50 },
+ [CBSP_IEI_CHANNEL_IND] = { TLV_TYPE_TV },
+ [CBSP_IEI_NUM_OF_PAGES] = { TLV_TYPE_TV },
+ [CBSP_IEI_SCHEDULE_PERIOD] = { TLV_TYPE_TV },
+ [CBSP_IEI_NUM_OF_RES_SLOTS] = { TLV_TYPE_TV },
+ [CBSP_IEI_BCAST_MSG_TYPE] = { TLV_TYPE_TV },
+ [CBSP_IEI_WARNING_PERIOD] = { TLV_TYPE_TV },
+ [CBSP_IEI_KEEP_ALIVE_REP_PERIOD] = { TLV_TYPE_TV },
+ },
+};