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2016-12-11import oap message parsing / encoding from openbsc.git; AGPL->GPLHarald Welte1-0/+3
In the process, also: * Change the license from AGPLv3 to GPLv2-or-later; * correct spelling of 'sysmocom' to lowercase; * add '2016' to the copyright; * rename to osmo_*; * add API docs; * add logging category DLOAP: define id and add to internal_cat; * redirect all oap.c logging to DLOAP. A unit test will follow in a subsequent patch, since it needs a minor tweak for decoding of boolean values. The related openbsc change-id is I2f06aaa6eb54eafa860cfed8e72e41d82ff1c4cf. Tweaked-by: Neels Hofmeyr Change-Id: If5099e60681a215e798b6675f21813f26769c253
2016-12-01gsm0480: add gsm0480_create_ussd_notify() and *_release_complete()Neels Hofmeyr1-0/+2
Add two functions to create USSD messages. Moves and generalizes code from openbsc. Pending: use the new functions in openbsc. It looks like _release_complete() should also set trans_id and direction flag; but since this is moving code from openbsc that is apparently working, just place a fixme comment and don't change the functionality. Change-Id: Ia80e32c7105359915bfad3cc5621a1c09caf20f0
2016-10-27gsm0408: Completing GSM 04.08 RR message typesPhilipp1-0/+1
- Add missing message types to be up to date with the latest specification release (3GPP TS 04.18) - Add value strings to translate RR message type identifiers into human readable strings. (see gsm48_rr_msg_name() in gsm48.h Change-Id: I3ceb070bf4dc8f5a071a5d43c6aa2d4e84c2dec6
2016-10-23utils/conv_gen.py: add EDGE MCS 1-9 definitionsVadim Yanitskiy1-0/+15
Change-Id: Ie1452342f524a8b60f2babc07398a1d9c9e06aa3
2016-10-23utils/conv_gen.py: add RACH, SCH and TCH/AHS definitionsVadim Yanitskiy1-0/+10
Change-Id: I0ea7151f4e8119a8798a9e129b951559e56b0d93
2016-08-29IuPS: add GMM Service Request related constants and value_strNeels Hofmeyr1-0/+1
Change-Id: Ie023fc78099932f95cc8f1b3a04fe25dfd14bc35
2016-07-25egprs: Add CPS tables from TS 04.60Tom Tsou1-0/+2
Includes EGPRS coding and puncturing scheme (CPS) tables from 3GPP TS 04.60. Currently osmo-bts-trx is the only user of CPS table values, but this may change with gprsdecode and other utilities. Change-Id: I09fe6514a0e2e51bb3206f8387633f7e0255345f
2016-07-23rsl: add rsl_act_type_name()Neels Hofmeyr1-0/+1
Change-Id: Ie90c76d8aef42d5e2c9be94f4b206d4994e305f8
2016-07-08Add strings with GPRS GMM messagesMax1-0/+1
Change-Id: I48477b733e2da72f59349c00554dd3e080c9f445 Related: OS#1582
2016-07-07Add function to check GMM encryptabilityMax1-0/+1
Check if particular GMM message can be encrypted according to 3GPP TS 24.008 § 4.7.1.2 Related: OS#1582 Change-Id: I7ad0e03c2c738d174dd6bc3453f332eeb8da1e7d
2016-07-07Add missing osmo_c4 exportMax1-0/+1
Change-Id: Iaf53b31b4fa3860301054e970907ada061360b28 Related: OS#1741
2016-06-29Add function to check MS GEA capabilitiesMax1-0/+1
Add function which parses MS network capability IE value for bits indicating support for particular version of GEA. Change-Id: I785cef37dd272a2fab9b172f6e1392f865174e9a Relates: OS#1582
2016-06-29Add strings for GPRS ciphersMax1-0/+1
Change-Id: I050bda5fb50aad42fe2d72de39f8256b4fb12fb2 Related: OS#1582
2016-06-13add rsl_or_ipac_msg_name() for both standard and ip.access msg typesNeels Hofmeyr1-0/+1
Context: in osmo-bts, I want to look up an RSL message name in rsl_msgt_names and fall back to rsl_ipac_msgt_names if not found, because the IPAC PDCH ACT and DEACT messages are sent in a standard ABIS_RSL_MDISC_DED_CHAN. Change-Id: Ic9ba721a1469cf51aed97ab0f44a7fe055c94b1f Reviewed-on: https://gerrit.osmocom.org/231 Reviewed-by: Harald Welte <laforge@gnumonks.org> Tested-by: Jenkins Builder
2016-05-30Add strings with PH primitive namesMax1-0/+2
It's useful debugging helper while troubleshooting L1-related issues. Change-Id: Id7a6d478fd725c51f54ad746bdf9b9095579ff77 Reviewed-on: https://gerrit.osmocom.org/117 Tested-by: Jenkins Builder Reviewed-by: Max <msuraev@sysmocom.de> Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-17Add function to make Uplink MeasurementMax1-0/+2
It assembles RSL Uplink Measurement IE according to 3GPP TS 08.58 §9.3.25. The function is based on lchan_build_rsl_ul_meas() from OsmoBTS but optionally includes DTX information. Change-Id: Ib37107bcc9909e5105ea711de42d3fb1db7e8d9e Reviewed-on: https://gerrit.osmocom.org/44 Tested-by: Jenkins Builder Reviewed-by: Harald Welte <laforge@gnumonks.org>
2016-05-12Set DTX in Cell OptionsMax1-0/+2
* rename field of struct gsm48_cell_options to better match the spec * add comments with spec references * add function for setting DTX in cell options struct * add necessary enum type Change-Id: I5a8924f57669c951b2e51b663d95f1d360062a54 Reviewed-on: https://gerrit.osmocom.org/39 Reviewed-by: Harald Welte <laforge@gnumonks.org> Tested-by: Jenkins Builder
2016-05-06import gprs_gsup_message.[ch] from openbsc as gsup.[ch]0.9.4Harald Welte1-0/+3
Move those routines from OpenBSC to libosmogsm, so they can be re-used from other programs. I think it was a mistake to add them only inside the openbsc repository in the first place. We need to pay more attention to this in the future.
2016-05-05tlv: Import osmo_shift_* and osmo_match_shift_* from openbscHarald Welte1-0/+6
These routines have nothing to do with specifically the BSC, so import them to the TLV parser we keep in libosmogsm.
2016-05-05import gsm_04_08_gprs.[ch] from openbsc.gitHarald Welte1-0/+7
The definitions in this header file (and associated strings in the c file) are generic about the GPRS Layer3 signalling protocols, and thus should be part of the library.
2016-05-05auth_core: Add osmo_auth_3g_from_2g() to compute CK+IK from KcHarald Welte1-0/+1
This function performs the C5+C4 conversion to derive UMTS key material from a 2G-only subscriber.
2016-04-29Add code generator for convolutional codesMax Suraev msuraev@sysmocom.de1-0/+12
Add python utility to generate .c code with convolutional encoder/decoder based on polynomial description of the code. If argument given it'll be interpreted as intended output directory, otherwise current working directory is used. Codes for *CCH, CS2/3 and TCH/AFS are generated. Corresponding manual implementations are removed from tests. This introduce build-time dependency on python. The main work for this patch was generously contributed by Sylvain Munaut. Fixes: OS#1629
2016-04-23Add function for appending range1024 to bitvecMax1-1/+1
Add convenience function to append range1024 encoded data (see 3GPP TS 44.018 Annex J) to a given bitvec.
2016-04-22Update internal GPRS cipher APIMax1-0/+1
Update internal API (for GPRS cipher implementors): make it compliant with ETSI TS 155.22. External API left untouched.
2016-04-16Add function to get osmo_earfcn bit sizeMax1-0/+1
This function returns the number of bits necessary to pack osmo_earfcn into Repeated E-UTRAN Neighbour Cells IE (3GPP TS 44.018 Table 10.5.2.33b.1).
2016-03-30Export names for gsm_chan_t and gsm48_chan_modeMax1-0/+2
This can be used with get_value_string() to improve debugging output.
2016-03-17Add basic EARFCN supportMax1-0/+4
Add structure representing group of EARFCNs with common priority, threshold etc. Add functions to populate this structure.
2016-03-15gsm48: factor out MCC+MNC BCD parsing for re-use in UMTSNeels Hofmeyr1-0/+2
For 3G, I need a BCD composer/parser similar to gsm48_generate_lai()/ gsm48_decode_lai(). Those functions also handle a trivial extra member (lac) which I don't need in this way for 3G. So create new functions to take on the MCC+MNC BCD handling and call those from gsm48_generate_lai() and gsm48_decode_lai(). In this way, the 3G code in openbsc can use only the BCD functionality without code duplication.
2016-01-15gsm: Add APN conversion functionsJacob Erlbeck1-0/+2
These functions are currently part of openbsc but also needed by other projects. The function have been renamed as follows: gprs_apn_to_str -> osmo_apn_to_str gprs_str_to_apn -> osmo_apn_from_str Sponsored-by: On-Waves ehf
2015-12-13RSL: Add enum + TLV definitions for ip.access style embedded IEsHarald Welte1-0/+1
2015-08-18Introduce gsm48_mi_type_name() functionHarald Welte1-0/+1
2015-06-04ipa: Add libosmogsm.map entry for ipa_ccm_idtag_parse_offJacob Erlbeck1-0/+1
Addresses: CCLD utils/utils_test utils_test.o: In function `test_idtag_parsing': git/libosmocore/tests/utils/utils_test.c:64: undefined reference to `ipa_ccm_idtag_parse_off' Sponsored-by: On-Waves ehf
2015-05-25Add APN utility function to libosmogsmHarald Welte1-0/+3
The current functions are used to 'qualify' an APN from the user-supplied APN name (name identifier) towards the fully-qualified APN name which is used in the .grps DNS zone.
2015-01-01Supplementary Services (de)activation, interrogation addedTobias Engel1-0/+1
These patches enhance the Supplementary Service (SS) processing from only being able to handle USSD to other SS, specifically activation, deactivation and interrogation of those SS. Registration is not yet implemented. include/osmocom/gsm/protocol/gsm_09_02.h has been added with needed values for SS. Modified by Harald Welte to keep the old ussd-only functiosn for API/ABI stability.
2014-12-29add gsm0341_test to generate SMSCB hex stringsHarald Welte1-0/+2
Those hex strings can then be copy+pasted into the OSmoNITB VTY
2014-08-20ipa: rename functions for consistencyHarald Welte1-0/+16
As we are breaking builds by moving functions from libosmo-abis to libosmocore anyway, we might as well give functions more appropriate names. ipaccess is a company, while IPA is the multiplex protocol, and CCM is the protocol used for establishing identities on the IPA multiplex.
2014-08-17abis_nm: add abis_nm_msg_disc_names[] value_stringHarald Welte1-0/+1
2014-08-17abis_nm: introduce abis_nm_{osmo,ipa}_magic[]Harald Welte1-0/+2
... used to be oml_{osmo,ipa}_magic in osmo-bts
2014-05-19Fix introducing osmocom speficic OML attributesHarald Welte1-0/+1
Rename NM_ATT_O_REDUCEPOWER to NM_ATT_OSMO_REDUCEPOWER, which makes it more clear that this is an osmcoom specific attribute. Also, we cannot simply overload 0x01 as an already defined OML attribute. The problem is quite simple: When we use abis_nm_att_tlvdef during the TLV parse, 0x01 will match to NM_ATT_ABIS_CHANNEL, which is defined as { TLV_TYPE_FIXED, 3 }. So instead, we need to introduce a new abis_nm_osmo_att_tlvdef[], which has to be patched into abis_nm_att_tlvdef[] by the means of tlv_def_patch(), exactly how we do it for bs-11 and nanobts specific attributes. I'm using 0xfe for the attribute, as 0xfe doesn't overlap with the IPA specific attribues (and we might want to combine/merge the 12.21 plus IPA plus osmocom spefici attributes)
2014-03-26lapdm: Make lapdm_datalink_for_sapi publicDaniel Willmann1-0/+1
This API allows you to get the lapdm_datalink for a SAPI. It's needed in the lapdm_test, so make it public.
2013-08-12sms: Added result buffer size parameter to 7bit conv funsJacob Erlbeck1-1/+6
The 7bit<->8bit encoding/decoding functions didn't check whether there is still enough space in the destination buffer. Therefore a buffer size parameter has been added to each of the functions which is used to truncate the output if the buffer is too small. In addition, the return value of the decoding functions has been changed to number of characters written (excluding \0), so this value is always equal to strlen(decoded). The old functions are still available as wrapper functions.
2013-08-08Add special 7-bit encoding and decoding functions for USSD codingAndreas Eversberg1-0/+2
Handling 7-bit coding is a little different for USSD, as TS 03.38 states: To avoid the situation where the receiving entity confuses 7 binary zero pad bits as the @ character, the carriage return or <CR> character shall be used for padding in this situation [...]. If <CR> is intended to be the last character and the message (including the wanted <CR>) ends on an octet boundary, then another <CR> must be added together with a padding bit 0. The receiving entity will perform the carriage return function twice, but this will not result in misoperation as the definition of <CR> [...] is identical to the definition of <CR><CR>. The receiving entity shall remove the final <CR> character where the message ends on an octet boundary with <CR> as the last character. Jacob has verified the fix with fakeBTS and the wireshark dissector. Fixes: OW#947 Reviewed-by: Jacob Erlbeck <jerlbeck@sysmocom.de>
2013-08-08encoding: Provide an overload for the gsm_7bit_encode and a simple testHolger Hans Peter Freyther1-0/+1
This is required for encoding the SMS header using the alpha numeric rules. Reviewed-by: Jacob Erlbeck <jerlbeck@sysmocom.de>
2012-12-11gsm: Add method to find ARFCN based on frequencySylvain Munaut1-0/+1
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
2012-07-14TLV: add new "vTvLV" type for GANHarald Welte1-0/+1
This new TLV type is specific to TS 44.318. Contrary to the TvLV type of TS 08.16/08.18, it has an inverted meaning of the extension (0x80) bit: * if the extension bit is not set, 1-byte length * if the extension bit is set, 2-byte length Futhermore, it has support for variable-length tags, where the tag part can be optionally two bytes in length. As this esoteric option hasn't been seen in the wild yet, we only add encoding support but skip decoding for now.
2012-07-13add gsm48_decode_lai() to map fileHarald Welte1-0/+1
2012-06-24ganc: add value_strings for GAN message type and protocol discriminatorHarald Welte1-0/+3
2012-04-05libosmogsm: Add tvlv_att_def to exported symbolsHarald Welte1-0/+1
2012-04-04libosmogsm: Introduce explicit list of exported symbolsHarald Welte1-0/+230
There is now a "libosmogsm.map" file containing an explicit list of to-be-exported symbols. This should prevent us from leaking non-static symbols into the global namespace. A similar scheme should be adopted by all other osmocom libraries
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