mirror of https://gerrit.osmocom.org/libosmocore
Import sytem information related definitions + code from openbsc
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@ -1,5 +1,6 @@
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osmogsm_HEADERS = a5.h comp128.h gsm0808.h gsm48_ie.h mncc.h rxlev_stat.h \
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gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h
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gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h \
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sysinfo.h
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SUBDIRS = protocol
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@ -1257,6 +1257,9 @@ struct gsm48_ra_id {
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uint8_t rac; /* Routing Area Code */
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} __attribute__ ((packed));
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#define GSM48_CELL_CHAN_DESC_SIZE 16
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#define GSM_MACBLOCK_LEN 23
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#define GSM_MACBLOCK_PADDING 0x2b
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#endif /* PROTO_GSM_04_08_H */
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@ -0,0 +1,40 @@
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#ifndef _OSMO_GSM_SYSINFO_H
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#define _OSMO_GSM_SYSINFO_H
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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enum osmo_sysinfo_type {
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SYSINFO_TYPE_NONE,
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SYSINFO_TYPE_1,
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SYSINFO_TYPE_2,
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SYSINFO_TYPE_3,
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SYSINFO_TYPE_4,
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SYSINFO_TYPE_5,
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SYSINFO_TYPE_6,
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SYSINFO_TYPE_7,
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SYSINFO_TYPE_8,
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SYSINFO_TYPE_9,
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SYSINFO_TYPE_10,
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SYSINFO_TYPE_13,
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SYSINFO_TYPE_16,
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SYSINFO_TYPE_17,
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SYSINFO_TYPE_18,
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SYSINFO_TYPE_19,
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SYSINFO_TYPE_20,
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SYSINFO_TYPE_2bis,
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SYSINFO_TYPE_2ter,
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SYSINFO_TYPE_2quater,
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SYSINFO_TYPE_5bis,
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SYSINFO_TYPE_5ter,
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/* FIXME all the various bis and ter */
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_MAX_SYSINFO_TYPE
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};
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typedef uint8_t sysinfo_buf_t[GSM_MACBLOCK_LEN];
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extern const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE];
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uint8_t gsm_sitype2rsl(enum osmo_sysinfo_type si_type);
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enum osmo_sysinfo_type osmo_rsl2sitype(uint8_t rsl_si);
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#endif /* _OSMO_GSM_SYSINFO_H */
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@ -8,7 +8,7 @@ AM_CFLAGS = -fPIC -Wall
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lib_LTLIBRARIES = libosmogsm.la
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libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c gsm_utils.c \
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rsl.c gsm48.c gsm48_ie.c gsm0808.c \
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rsl.c gsm48.c gsm48_ie.c gsm0808.c sysinfo.c \
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gprs_cipher_core.c gsm0480.c abis_nm.c
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libosmogsm_la_LDFLAGS = -version-info $(LIBVERSION)
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libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la
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@ -0,0 +1,131 @@
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/* GSM 04.08 System Information (SI) encoding and decoding
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* 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
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/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <netinet/in.h>
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#include <osmocom/core/bitvec.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/gsm/sysinfo.h>
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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#include <osmocom/gsm/protocol/gsm_08_58.h>
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/* verify the sizes of the system information type structs */
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/* rest octets are not part of the struct */
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osmo_static_assert(sizeof(struct gsm48_system_information_type_header) == 3, _si_header_size);
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osmo_static_assert(sizeof(struct gsm48_rach_control) == 3, _si_rach_control);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_1) == 22, _si1_size);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_2) == 23, _si2_size);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_3) == 19, _si3_size);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_4) == 13, _si4_size);
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/* bs11 forgot the l2 len, 0-6 rest octets */
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osmo_static_assert(sizeof(struct gsm48_system_information_type_5) == 18, _si5_size);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_6) == 11, _si6_size);
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osmo_static_assert(sizeof(struct gsm48_system_information_type_13) == 3, _si13_size);
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static const uint8_t sitype2rsl[_MAX_SYSINFO_TYPE] = {
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[SYSINFO_TYPE_1] = RSL_SYSTEM_INFO_1,
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[SYSINFO_TYPE_2] = RSL_SYSTEM_INFO_2,
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[SYSINFO_TYPE_3] = RSL_SYSTEM_INFO_3,
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[SYSINFO_TYPE_4] = RSL_SYSTEM_INFO_4,
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[SYSINFO_TYPE_5] = RSL_SYSTEM_INFO_5,
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[SYSINFO_TYPE_6] = RSL_SYSTEM_INFO_6,
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[SYSINFO_TYPE_7] = RSL_SYSTEM_INFO_7,
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[SYSINFO_TYPE_8] = RSL_SYSTEM_INFO_8,
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[SYSINFO_TYPE_9] = RSL_SYSTEM_INFO_9,
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[SYSINFO_TYPE_10] = RSL_SYSTEM_INFO_10,
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[SYSINFO_TYPE_13] = RSL_SYSTEM_INFO_13,
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[SYSINFO_TYPE_16] = RSL_SYSTEM_INFO_16,
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[SYSINFO_TYPE_17] = RSL_SYSTEM_INFO_17,
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[SYSINFO_TYPE_18] = RSL_SYSTEM_INFO_18,
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[SYSINFO_TYPE_19] = RSL_SYSTEM_INFO_19,
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[SYSINFO_TYPE_20] = RSL_SYSTEM_INFO_20,
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[SYSINFO_TYPE_2bis] = RSL_SYSTEM_INFO_2bis,
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[SYSINFO_TYPE_2ter] = RSL_SYSTEM_INFO_2ter,
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[SYSINFO_TYPE_2quater] = RSL_SYSTEM_INFO_2quater,
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[SYSINFO_TYPE_5bis] = RSL_SYSTEM_INFO_5bis,
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[SYSINFO_TYPE_5ter] = RSL_SYSTEM_INFO_5ter,
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};
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static const uint8_t rsl2sitype[0xff] = {
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[RSL_SYSTEM_INFO_1] = SYSINFO_TYPE_1,
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[RSL_SYSTEM_INFO_2] = SYSINFO_TYPE_2,
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[RSL_SYSTEM_INFO_3] = SYSINFO_TYPE_3,
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[RSL_SYSTEM_INFO_4] = SYSINFO_TYPE_4,
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[RSL_SYSTEM_INFO_5] = SYSINFO_TYPE_5,
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[RSL_SYSTEM_INFO_6] = SYSINFO_TYPE_6,
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[RSL_SYSTEM_INFO_7] = SYSINFO_TYPE_7,
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[RSL_SYSTEM_INFO_8] = SYSINFO_TYPE_8,
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[RSL_SYSTEM_INFO_9] = SYSINFO_TYPE_9,
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[RSL_SYSTEM_INFO_10] = SYSINFO_TYPE_10,
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[RSL_SYSTEM_INFO_13] = SYSINFO_TYPE_13,
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[RSL_SYSTEM_INFO_16] = SYSINFO_TYPE_16,
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[RSL_SYSTEM_INFO_17] = SYSINFO_TYPE_17,
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[RSL_SYSTEM_INFO_18] = SYSINFO_TYPE_18,
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[RSL_SYSTEM_INFO_19] = SYSINFO_TYPE_19,
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[RSL_SYSTEM_INFO_20] = SYSINFO_TYPE_20,
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[RSL_SYSTEM_INFO_2bis] = SYSINFO_TYPE_2bis,
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[RSL_SYSTEM_INFO_2ter] = SYSINFO_TYPE_2ter,
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[RSL_SYSTEM_INFO_2quater] = SYSINFO_TYPE_2quater,
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[RSL_SYSTEM_INFO_5bis] = SYSINFO_TYPE_5bis,
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[RSL_SYSTEM_INFO_5ter] = SYSINFO_TYPE_5ter,
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};
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const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE] = {
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{ SYSINFO_TYPE_1, "1" },
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{ SYSINFO_TYPE_2, "2" },
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{ SYSINFO_TYPE_3, "3" },
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{ SYSINFO_TYPE_4, "4" },
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{ SYSINFO_TYPE_5, "5" },
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{ SYSINFO_TYPE_6, "6" },
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{ SYSINFO_TYPE_7, "7" },
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{ SYSINFO_TYPE_8, "8" },
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{ SYSINFO_TYPE_9, "9" },
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{ SYSINFO_TYPE_10, "10" },
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{ SYSINFO_TYPE_13, "13" },
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{ SYSINFO_TYPE_16, "16" },
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{ SYSINFO_TYPE_17, "17" },
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{ SYSINFO_TYPE_18, "18" },
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{ SYSINFO_TYPE_19, "19" },
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{ SYSINFO_TYPE_20, "20" },
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{ SYSINFO_TYPE_2bis, "2bis" },
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{ SYSINFO_TYPE_2ter, "2ter" },
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{ SYSINFO_TYPE_2quater, "2quater" },
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{ SYSINFO_TYPE_5bis, "5bis" },
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{ SYSINFO_TYPE_5ter, "5ter" },
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{ 0, NULL }
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};
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uint8_t osmo_sitype2rsl(enum osmo_sysinfo_type si_type)
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{
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return sitype2rsl[si_type];
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}
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enum osmo_sysinfo_type osmo_rsl2sitype(uint8_t rsl_si)
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{
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return rsl2sitype[rsl_si];
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}
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