mirror of https://gerrit.osmocom.org/libosmocore
Import value_string utilities and some RSL stuff from OpenBSC
This commit is contained in:
parent
00096acb8f
commit
d284cd9f43
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@ -1,6 +1,6 @@
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osmocore_HEADERS = signal.h linuxlist.h timer.h talloc.h msgb.h select.h \
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tlv.h bitvec.h comp128.h statistics.h gsm_utils.h utils.h \
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gsmtap.h write_queue.h
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gsmtap.h write_queue.h rsl.h
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osmocoredir = $(includedir)/osmocore
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@ -0,0 +1,24 @@
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#ifndef _OSMOCORE_RSL_H
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#define _OSMOCORE_RSL_H
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#include <stdint.h>
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#include <osmocore/utils.h>
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#include <osmocore/protocol/gsm_08_58.h>
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void rsl_init_rll_hdr(struct abis_rsl_rll_hdr *dh, uint8_t msg_type);
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extern const struct tlv_definition rsl_att_tlvdef;
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#define rsl_tlv_parse(dec, buf, len) \
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tlv_parse(dec, &rsl_att_tlvdef, buf, len, 0, 0)
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/* encode channel number as per Section 9.3.1 */
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uint8_t rsl_enc_chan_nr(uint8_t type, uint8_t subch, uint8_t timeslot);
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const struct value_string rsl_rlm_cause_strs[];
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const char *rsl_err_name(uint8_t err);
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/* Section 3.3.2.3 TS 05.02. I think this looks like a table */
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int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf);
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#endif /* _OSMOCORE_RSL_H */
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@ -3,4 +3,15 @@
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#include <stdint.h>
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struct value_string {
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unsigned int value;
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const char *str;
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};
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const char *get_value_string(const struct value_string *vs, uint32_t val);
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int get_string_value(const struct value_string *vs, const char *str);
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#endif
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@ -9,4 +9,4 @@ lib_LTLIBRARIES = libosmocore.la
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libosmocore_la_SOURCES = msgb.c timer.c talloc.c select.c signal.c \
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tlv_parser.c bitvec.c comp128.c gsm_utils.c statistics.c \
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write_queue.c
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write_queue.c utils.c rsl.c
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@ -0,0 +1,239 @@
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/* GSM Radio Signalling Link messages on the A-bis interface
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* 3GPP TS 08.58 version 8.6.0 Release 1999 / ETSI TS 100 596 V8.6.0 */
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/* (C) 2008-2009 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <osmocore/tlv.h>
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#include <osmocore/rsl.h>
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void rsl_init_rll_hdr(struct abis_rsl_rll_hdr *dh, uint8_t msg_type)
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{
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dh->c.msg_discr = ABIS_RSL_MDISC_RLL;
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dh->c.msg_type = msg_type;
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dh->ie_chan = RSL_IE_CHAN_NR;
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dh->ie_link_id = RSL_IE_LINK_IDENT;
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}
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const struct tlv_definition rsl_att_tlvdef = {
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.def = {
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[RSL_IE_CHAN_NR] = { TLV_TYPE_TV },
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[RSL_IE_LINK_IDENT] = { TLV_TYPE_TV },
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[RSL_IE_ACT_TYPE] = { TLV_TYPE_TV },
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[RSL_IE_BS_POWER] = { TLV_TYPE_TV },
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[RSL_IE_CHAN_IDENT] = { TLV_TYPE_TLV },
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[RSL_IE_CHAN_MODE] = { TLV_TYPE_TLV },
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[RSL_IE_ENCR_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_FRAME_NUMBER] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_HANDO_REF] = { TLV_TYPE_TV },
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[RSL_IE_L1_INFO] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_L3_INFO] = { TLV_TYPE_TL16V },
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[RSL_IE_MS_IDENTITY] = { TLV_TYPE_TLV },
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[RSL_IE_MS_POWER] = { TLV_TYPE_TV },
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[RSL_IE_PAGING_GROUP] = { TLV_TYPE_TV },
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[RSL_IE_PAGING_LOAD] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_PYHS_CONTEXT] = { TLV_TYPE_TLV },
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[RSL_IE_ACCESS_DELAY] = { TLV_TYPE_TV },
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[RSL_IE_RACH_LOAD] = { TLV_TYPE_TLV },
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[RSL_IE_REQ_REFERENCE] = { TLV_TYPE_FIXED, 3 },
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[RSL_IE_RELEASE_MODE] = { TLV_TYPE_TV },
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[RSL_IE_RESOURCE_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_RLM_CAUSE] = { TLV_TYPE_TLV },
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[RSL_IE_STARTNG_TIME] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_TIMING_ADVANCE] = { TLV_TYPE_TV },
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[RSL_IE_UPLINK_MEAS] = { TLV_TYPE_TLV },
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[RSL_IE_CAUSE] = { TLV_TYPE_TLV },
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[RSL_IE_MEAS_RES_NR] = { TLV_TYPE_TV },
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[RSL_IE_MSG_ID] = { TLV_TYPE_TV },
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[RSL_IE_SYSINFO_TYPE] = { TLV_TYPE_TV },
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[RSL_IE_MS_POWER_PARAM] = { TLV_TYPE_TLV },
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[RSL_IE_BS_POWER_PARAM] = { TLV_TYPE_TLV },
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[RSL_IE_PREPROC_PARAM] = { TLV_TYPE_TLV },
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[RSL_IE_PREPROC_MEAS] = { TLV_TYPE_TLV },
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[RSL_IE_IMM_ASS_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_SMSCB_INFO] = { TLV_TYPE_FIXED, 23 },
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[RSL_IE_MS_TIMING_OFFSET] = { TLV_TYPE_TV },
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[RSL_IE_ERR_MSG] = { TLV_TYPE_TLV },
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[RSL_IE_FULL_BCCH_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_CHAN_NEEDED] = { TLV_TYPE_TV },
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[RSL_IE_CB_CMD_TYPE] = { TLV_TYPE_TV },
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[RSL_IE_SMSCB_MSG] = { TLV_TYPE_TLV },
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[RSL_IE_FULL_IMM_ASS_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_SACCH_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_CBCH_LOAD_INFO] = { TLV_TYPE_TV },
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[RSL_IE_SMSCB_CHAN_INDICATOR] = { TLV_TYPE_TV },
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[RSL_IE_GROUP_CALL_REF] = { TLV_TYPE_TLV },
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[RSL_IE_CHAN_DESC] = { TLV_TYPE_TLV },
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[RSL_IE_NCH_DRX_INFO] = { TLV_TYPE_TLV },
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[RSL_IE_CMD_INDICATOR] = { TLV_TYPE_TLV },
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[RSL_IE_EMLPP_PRIO] = { TLV_TYPE_TV },
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[RSL_IE_UIC] = { TLV_TYPE_TLV },
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[RSL_IE_MAIN_CHAN_REF] = { TLV_TYPE_TV },
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[RSL_IE_MR_CONFIG] = { TLV_TYPE_TLV },
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[RSL_IE_MR_CONTROL] = { TLV_TYPE_TV },
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[RSL_IE_SUP_CODEC_TYPES] = { TLV_TYPE_TLV },
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[RSL_IE_CODEC_CONFIG] = { TLV_TYPE_TLV },
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[RSL_IE_RTD] = { TLV_TYPE_TV },
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[RSL_IE_TFO_STATUS] = { TLV_TYPE_TV },
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[RSL_IE_LLP_APDU] = { TLV_TYPE_TLV },
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[RSL_IE_SIEMENS_MRPCI] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_PROXY_UDP] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_IPAC_BSCMPL_TOUT] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_REMOTE_IP] = { TLV_TYPE_FIXED, 4 },
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[RSL_IE_IPAC_REMOTE_PORT] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_IPAC_RTP_PAYLOAD] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_LOCAL_PORT] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_IPAC_SPEECH_MODE] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_LOCAL_IP] = { TLV_TYPE_FIXED, 4 },
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[RSL_IE_IPAC_CONN_ID] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_IPAC_RTP_CSD_FMT] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_RTP_JIT_BUF] = { TLV_TYPE_FIXED, 2 },
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[RSL_IE_IPAC_RTP_COMPR] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_RTP_PAYLOAD2] = { TLV_TYPE_TV },
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[RSL_IE_IPAC_RTP_MPLEX] = { TLV_TYPE_FIXED, 8 },
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[RSL_IE_IPAC_RTP_MPLEX_ID] = { TLV_TYPE_TV },
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},
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};
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/* encode channel number as per Section 9.3.1 */
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uint8_t rsl_enc_chan_nr(uint8_t type, uint8_t subch, uint8_t timeslot)
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{
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uint8_t ret;
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ret = (timeslot & 0x07) | type;
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switch (type) {
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case RSL_CHAN_Lm_ACCHs:
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subch &= 0x01;
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break;
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case RSL_CHAN_SDCCH4_ACCH:
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subch &= 0x07;
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break;
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case RSL_CHAN_SDCCH8_ACCH:
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subch &= 0x07;
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break;
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default:
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/* no subchannels allowed */
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subch = 0x00;
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break;
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}
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ret |= (subch << 3);
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return ret;
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}
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/* FIXME: convert to value_string */
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static const char *rsl_err_vals[0xff] = {
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[RSL_ERR_RADIO_IF_FAIL] = "Radio Interface Failure",
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[RSL_ERR_RADIO_LINK_FAIL] = "Radio Link Failure",
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[RSL_ERR_HANDOVER_ACC_FAIL] = "Handover Access Failure",
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[RSL_ERR_TALKER_ACC_FAIL] = "Talker Access Failure",
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[RSL_ERR_OM_INTERVENTION] = "O&M Intervention",
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[RSL_ERR_NORMAL_UNSPEC] = "Normal event, unspecified",
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[RSL_ERR_T_MSRFPCI_EXP] = "Siemens: T_MSRFPCI Expired",
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[RSL_ERR_EQUIPMENT_FAIL] = "Equipment Failure",
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[RSL_ERR_RR_UNAVAIL] = "Radio Resource not available",
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[RSL_ERR_TERR_CH_FAIL] = "Terrestrial Channel Failure",
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[RSL_ERR_CCCH_OVERLOAD] = "CCCH Overload",
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[RSL_ERR_ACCH_OVERLOAD] = "ACCH Overload",
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[RSL_ERR_PROCESSOR_OVERLOAD] = "Processor Overload",
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[RSL_ERR_RES_UNAVAIL] = "Resource not available, unspecified",
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[RSL_ERR_TRANSC_UNAVAIL] = "Transcoding not available",
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[RSL_ERR_SERV_OPT_UNAVAIL] = "Service or Option not available",
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[RSL_ERR_ENCR_UNIMPL] = "Encryption algorithm not implemented",
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[RSL_ERR_SERV_OPT_UNIMPL] = "Service or Option not implemented",
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[RSL_ERR_RCH_ALR_ACTV_ALLOC] = "Radio channel already activated",
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[RSL_ERR_INVALID_MESSAGE] = "Invalid Message, unspecified",
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[RSL_ERR_MSG_DISCR] = "Message Discriminator Error",
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[RSL_ERR_MSG_TYPE] = "Message Type Error",
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[RSL_ERR_MSG_SEQ] = "Message Sequence Error",
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[RSL_ERR_IE_ERROR] = "General IE error",
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[RSL_ERR_MAND_IE_ERROR] = "Mandatory IE error",
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[RSL_ERR_OPT_IE_ERROR] = "Optional IE error",
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[RSL_ERR_IE_NONEXIST] = "IE non-existent",
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[RSL_ERR_IE_LENGTH] = "IE length error",
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[RSL_ERR_IE_CONTENT] = "IE content error",
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[RSL_ERR_PROTO] = "Protocol error, unspecified",
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[RSL_ERR_INTERWORKING] = "Interworking error, unspecified",
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};
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const struct value_string rsl_rlm_cause_strs[] = {
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{ RLL_CAUSE_T200_EXPIRED, "Timer T200 expired (N200+1) times" },
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{ RLL_CAUSE_REEST_REQ, "Re-establishment request" },
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{ RLL_CAUSE_UNSOL_UA_RESP, "Unsolicited UA response" },
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{ RLL_CAUSE_UNSOL_DM_RESP, "Unsolicited DM response" },
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{ RLL_CAUSE_UNSOL_DM_RESP_MF, "Unsolicited DM response, multiple frame" },
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{ RLL_CAUSE_UNSOL_SPRV_RESP, "Unsolicited supervisory response" },
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{ RLL_CAUSE_SEQ_ERR, "Sequence Error" },
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{ RLL_CAUSE_UFRM_INC_PARAM, "U-Frame with incorrect parameters" },
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{ RLL_CAUSE_SFRM_INC_PARAM, "S-Frame with incorrect parameters" },
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{ RLL_CAUSE_IFRM_INC_MBITS, "I-Frame with incorrect use of M bit" },
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{ RLL_CAUSE_IFRM_INC_LEN, "I-Frame with incorrect length" },
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{ RLL_CAUSE_FRM_UNIMPL, "Fraeme not implemented" },
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{ RLL_CAUSE_SABM_MF, "SABM command, multiple frame established state" },
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{ RLL_CAUSE_SABM_INFO_NOTALL, "SABM frame with information not allowed in this state" },
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{ 0, NULL },
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};
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const char *rsl_err_name(uint8_t err)
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{
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if (rsl_err_vals[err])
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return rsl_err_vals[err];
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else
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return "unknown";
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}
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/* Section 3.3.2.3 TS 05.02. I think this looks like a table */
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int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf)
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{
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switch (ccch_conf) {
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case RSL_BCCH_CCCH_CONF_1_NC:
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return 1;
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case RSL_BCCH_CCCH_CONF_1_C:
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return 1;
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case RSL_BCCH_CCCH_CONF_2_NC:
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return 2;
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case RSL_BCCH_CCCH_CONF_3_NC:
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return 3;
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case RSL_BCCH_CCCH_CONF_4_NC:
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return 4;
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default:
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return -1;
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}
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}
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/* Section 3.3.2.3 TS 05.02 */
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int rsl_ccch_conf_to_bs_ccch_sdcch_comb(int ccch_conf)
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{
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switch (ccch_conf) {
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case RSL_BCCH_CCCH_CONF_1_NC:
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return 0;
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case RSL_BCCH_CCCH_CONF_1_C:
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return 1;
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case RSL_BCCH_CCCH_CONF_2_NC:
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return 0;
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case RSL_BCCH_CCCH_CONF_3_NC:
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return 0;
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case RSL_BCCH_CCCH_CONF_4_NC:
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return 0;
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default:
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return -1;
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}
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}
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@ -0,0 +1,32 @@
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include <osmocore/utils.h>
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const char *get_value_string(const struct value_string *vs, uint32_t val)
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{
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int i;
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for (i = 0;; i++) {
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if (vs[i].value == 0 && vs[i].str == NULL)
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break;
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if (vs[i].value == val)
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return vs[i].str;
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}
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return "unknown";
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}
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int get_string_value(const struct value_string *vs, const char *str)
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{
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int i;
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for (i = 0;; i++) {
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if (vs[i].value == 0 && vs[i].str == NULL)
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break;
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if (!strcasecmp(vs[i].str, str))
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return vs[i].value;
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}
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return -EINVAL;
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}
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