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* Make EARFCN size calculation more robustMax2017-05-141-0/+1
| | | | | | | | | | | | | * add osmo_earfcn_bit_size_ext() function which allows to specify how many EARFCNs we should skip when estimating required bit size for SI2quater * make old osmo_earfcn_bit_size() into wrapper over newly added function and mark it as deprecated This is necessary to properly estimate necessary space for EARFCNs when they are spread over several SI2q messages with different index. Change-Id: I92e12e91605bdab9916a3f665705287572434f74 Related: RT#8792
* Add SW Description (de)marshallingMax2017-04-281-0/+5
| | | | | | | | | | | | | | | | * data structure representing 3GPP TS 52.021 §9.4.62 SW Description * function to serialize it into msgb * function to deserialize it from buffer * functions to extract/estimate buffer size for SW Description * test harness (partially taken from OpenBSC) There are several similar functions to deal with SW Description in OpenBSC, there's also need to use similar functionality in OsmoBTS. Hence it's better to put the code into common library with proper tests and documentation. Change-Id: Ib63b6b5e83b8914864fc7edd789f8958cdc993cd Related: OS#1614
* ipa: Introduce helpers to encode IPA CCM ID RESPONSEHarald Welte2017-04-151-0/+2
| | | | | | | | | | The ipa.c file already contained code to parse an ID RESPONSE into the 'struct ipaccess_unit', but it didn't so far contain code to put together an ID RESPONSE packet based on that structure. Let's change that with ipa_ccm_make_id_resp() and a helper wrapper ipa_ccm_make_id_resp_from_req(). Change-Id: Icbcd8827a75fd5f3393351c1ca372de85275ad35
* gsm0808: make gsm0808_create_reset_ack() accessiblePhilipp Maier2017-04-081-0/+1
| | | | | | | | | | | The create function to generate the RESET ACKNOWLEDGE message is not accessible from outside, as it does not appear in limosmogsm.map. It also has not testcase. This commit adds gsm0808_create_reset_ack() to the map file and also adds a testcase. Change-Id: I82d3411484f82b4a9205d407fa0442244678f183
* gsm0808: Add create functions for BSS_MAP_MSG_ASSIGMENT_RQSTPhilipp Maier2017-04-081-0/+1
| | | | | | | | | | gsm0808.h/c lacks functionality to generate BSS_MAP_MSG_ASSIGMENT_RQST messages. These messages are required if the code is used in an MSC implementation. This commit adds a gsm0808_create_assignment() function, that generates an A/AoiP BSS_MAP_MSG_PAGING message. Change-Id: I4d1d455a1e1cf95407e23ded7b7defbcf2dd6ff0
* gsm0808: Add create functions for BSS_MAP_MSG_PAGINGPhilipp Maier2017-04-081-0/+1
| | | | | | | | | | gsm0808.h/c lacks functionality to generate BSS_MAP_MSG_PAGING messages. These messages are required if the code is used in an MSC implementation. This commit adds a gsm0808_create_paging() function, that generates an A/AoiP BSS_MAP_MSG_PAGING message. Change-Id: I9afecf0109305ca5153bf081bb29cd94071dd2b7
* gsm0808: Add create functions for CIPHER MODE COMMANDPhilipp Maier2017-04-081-0/+1
| | | | | | | | | | gsm0808.h/c lacks functionality to generate CIPHER MODE COMMAND messages. These messages are required if the code is used in an MSC implementation. This commit adds a gsm0808_create_cipher() function, that generates an A/AoiP CIPHER MODE COMMAND message. Change-Id: I8eb1c357860c3e740b0f5d17e1c256bc87920958
* gsm0808: Add utils for Cell Identifier ListPhilipp Maier2017-04-081-0/+2
| | | | | | | | | | The planned support for true A over IP requires the encoding of the a Cell Identifier List element (see also BSS_MAP_MSG_PAGING). This commt adds encoding/decoding functionality and tests for the element mentioned above, however, it is not yet actively used. Change-Id: I625245dd1dd396fc2bc189e8cd2c444a33042528
* gsm0808: Add utils for Encryption InformationPhilipp Maier2017-04-081-0/+2
| | | | | | | | | | The planned support for true A over IP requires the encoding of the an Encryption Information element (see also BSS_MAP_MSG_CIPHER_MODE_CMD). This commt adds encoding/decoding functionality and tests for the element mentioned above, however, it is not yet actively used. Change-Id: I8262050a9d9fd3f17462cfbb046c6e034dccc6fb
* gsm0808: Add utils for Channel TypePhilipp Maier2017-04-081-0/+2
| | | | | | | | | | The planned support for true A over IP requires the encoding of the a Channel Type element (see also ASSIGNMENT REQUEST). This commt adds encoding/decoding functionality and tests for the element mentioned above, however, it is not yet actively used. Change-Id: Id0e2164d84b8cbcc6fe6a090fc7f40a1251421d7
* gsm0808: Add AoIP specific elements to gsm0808_create_... functionsPhilipp Maier2017-04-081-0/+3
| | | | | | | | | the classic A implementation in libosmocore lacks support for AoIP message elements. This patch adds support for AoIP by adding a set of new gsm0808_create_..., which support the missing AoIP message elements Change-Id: I77f866abec1822d19871052f3c647ad782785b34
* gsm0808: Add utils for Speech Codec List and Speech CodecPhilipp Maier2017-04-081-0/+4
| | | | | | | | | | The planned support for true A over IP requires the encoding and decoding of a so called "Speech Codec Element" element. This commt adds parsing functionality and tests for the element mentioned above, however, it is not yet actively used. Change-Id: I0e1e2edf47adaa45b22d4b0bcae3640dba7ca200
* gsm0808: Add utils for AoIP Transport Layer AddressPhilipp Maier2017-04-081-0/+2
| | | | | | | | | | The planned support for true A over IP requires the encoding and decoding of a so called "AoIP Transport Layer Address" element. This commt adds parsing functionality and tests for the element mentioned above, however, it is not yet actively used. Change-Id: I57933b0a06a3f54ec2a41e6ecb6ced9fbbc89332
* abis: add message type namesMax2017-03-221-0/+1
| | | | | | | | Add human-readable names for Message Types from 3GPP TS 52.021 §9.1 Related: OS#1614 Change-Id: Ide8202b4387351f57ceee34a9eb8c30aef09a663
* abis: add attribute namesMax2017-03-211-0/+1
| | | | | | | Add human-readable names for Attributes from 3GPP TS 52.021 §9.4 Change-Id: I861247c01557dac7e484ef6fb9b170f69c8a7f55 Related: OS#1614
* add gsm48_pdisc_msgtype_name()Neels Hofmeyr2017-03-161-0/+4
| | | | | | | | | | | | | | | Composing the message type string requires knowing the protocol discriminator. To ease printing the message type, add this function to switch between the defined value_string[]s depending on pdisc. Also publish the message type value_string[]s -- without inline functions to access them because it is anyway more convenient to use gsm48_pdisc_msgtype_name() instead. Since gsm48_pdisc_msgtype_name() is nontrivial, do not add as inline function -- in case the message type is not known, it needs a static string buffer. Change-Id: I0fca8e95ed5c2148b1a7440eff3fc9c7583898df
* add gsm48_pdisc_names and gsm48_pdisc_name()Neels Hofmeyr2017-03-161-0/+1
| | | | | | | I often want to log the protocol discriminator in the openbsc debug log. It's more useful to get the name directly instead of looking it up every time. Change-Id: I0f053e2a4360b27ffccda7cf82469fb1b1cbb3ae
* libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy2017-03-071-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | There are some projects, such as GR-GSM and OsmocomBB, which would benefit from using one shared implementation of GSM 05.03 code. So, this commit introduces a new sub-library called libosmocoding, which (for now) provides GSM, GPRS and EDGE transcoding routines, migrated from OsmoBTS. The original GSM 05.03 code from OsmoBTS was relicensed under GPLv2-or-later with permission of copyright holders (Andreas Eversberg, Alexander Chemeris and Tom Tsou). The following data types are currently supported: - xCCH - PDTCH (CS 1-4 and MCS 1-9) - TCH/FR - TCH/HR - TCH/AFS - RCH/AHS - RACH - SCH Change-Id: I0c3256b87686d878e4e716d12393cad5924fdfa1
* Export comp128 v2 and v3 routines as wellHolger Hans Peter Freyther2017-02-271-0/+2
| | | | | | | It is in the public header file and allows to easily bind it from other languages (without having to go through the abstraction). Change-Id: I0128d529c52ec030cfb87b0aff3c69cadf2c59d2
* gsup: add osmo_gsup_message_type_name()Neels Hofmeyr2017-02-151-0/+1
| | | | Change-Id: Ic29b588b72893821d73fe90ecc16c6bf78d5a360
* Add abis_nm_fail_evt_vrep to libosmogsm.mapMax2017-01-191-0/+1
| | | | Change-Id: If56b521429af497ddd5a47170eb2c085b1fb78ba
* libosmogsm.map: fix typoMax2017-01-171-1/+1
| | | | | Change-Id: I71413fbe703e459782a235e5b1d8487265de3780 Related: OS#1615
* Add value strings for Probable Cause TypeMax2017-01-101-0/+1
| | | | | | | | Add string representation of Probable Cause Type from 3GPP TS 12.21 § 9.4.43. Change-Id: I9fe14ed3b5398f59dd06a509e4d419e074cc20a7 Related: OS#1615
* Add OML Failure Event Report supportMax2017-01-061-0/+1
| | | | | | | | Add 3GPP TS 12.21 § 8.8.2 Failure Event Report function which pack given vararg string and parameters into msgb. Change-Id: I58c198d8ea588432c62520928b08f0b2a7035e93 Related: OS#1615
* Add event cause string descriptionsMax2017-01-061-0/+1
| | | | | | | | Add human-readable descriptions to event causes from 3GPP TS 12.21 § 9.4.43. Change-Id: Id173c978616c98b7831fbafb5401064257f1cf73 Related: OS#1615
* Add parsed TLV helpers from OsmoBTSMax2017-01-061-0/+2
| | | | | | Add functions to copy and merge parsed TLV structures from OsmoBTS. Change-Id: Ieaaaed19da9c069fe451faa53d24c5b84d7d5615
* Add OML definitions from OsmoBTSMax2017-01-061-0/+2
| | | | | Change-Id: I9c3bc15662949654e7bba6aad5488c69ee7d0c45 Related: OS#1615
* import oap message parsing / encoding from openbsc.git; AGPL->GPLHarald Welte2016-12-111-0/+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
* gsm0480: add gsm0480_create_ussd_notify() and *_release_complete()Neels Hofmeyr2016-12-011-0/+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
* gsm0408: Completing GSM 04.08 RR message typesPhilipp2016-10-271-0/+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
* utils/conv_gen.py: add EDGE MCS 1-9 definitionsVadim Yanitskiy2016-10-231-0/+15
| | | | Change-Id: Ie1452342f524a8b60f2babc07398a1d9c9e06aa3
* utils/conv_gen.py: add RACH, SCH and TCH/AHS definitionsVadim Yanitskiy2016-10-231-0/+10
| | | | Change-Id: I0ea7151f4e8119a8798a9e129b951559e56b0d93
* IuPS: add GMM Service Request related constants and value_strNeels Hofmeyr2016-08-291-0/+1
| | | | Change-Id: Ie023fc78099932f95cc8f1b3a04fe25dfd14bc35
* egprs: Add CPS tables from TS 04.60Tom Tsou2016-07-251-0/+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
* rsl: add rsl_act_type_name()Neels Hofmeyr2016-07-231-0/+1
| | | | Change-Id: Ie90c76d8aef42d5e2c9be94f4b206d4994e305f8
* Add strings with GPRS GMM messagesMax2016-07-081-0/+1
| | | | | Change-Id: I48477b733e2da72f59349c00554dd3e080c9f445 Related: OS#1582
* Add function to check GMM encryptabilityMax2016-07-071-0/+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
* Add missing osmo_c4 exportMax2016-07-071-0/+1
| | | | | Change-Id: Iaf53b31b4fa3860301054e970907ada061360b28 Related: OS#1741
* Add function to check MS GEA capabilitiesMax2016-06-291-0/+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
* Add strings for GPRS ciphersMax2016-06-291-0/+1
| | | | | Change-Id: I050bda5fb50aad42fe2d72de39f8256b4fb12fb2 Related: OS#1582
* add rsl_or_ipac_msg_name() for both standard and ip.access msg typesNeels Hofmeyr2016-06-131-0/+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
* Add strings with PH primitive namesMax2016-05-301-0/+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>
* Add function to make Uplink MeasurementMax2016-05-171-0/+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>
* Set DTX in Cell OptionsMax2016-05-121-0/+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
* import gprs_gsup_message.[ch] from openbsc as gsup.[ch]Harald Welte2016-05-061-0/+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.
* tlv: Import osmo_shift_* and osmo_match_shift_* from openbscHarald Welte2016-05-051-0/+6
| | | | | These routines have nothing to do with specifically the BSC, so import them to the TLV parser we keep in libosmogsm.
* import gsm_04_08_gprs.[ch] from openbsc.gitHarald Welte2016-05-051-0/+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.
* auth_core: Add osmo_auth_3g_from_2g() to compute CK+IK from KcHarald Welte2016-05-051-0/+1
| | | | | This function performs the C5+C4 conversion to derive UMTS key material from a 2G-only subscriber.
* Add code generator for convolutional codesMax Suraev msuraev@sysmocom.de2016-04-291-0/+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
* Add function for appending range1024 to bitvecMax2016-04-231-1/+1
| | | | | Add convenience function to append range1024 encoded data (see 3GPP TS 44.018 Annex J) to a given bitvec.
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