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2017-10-09auth: add value_strings for osmo_sub_auth_type, comment on osmo_auth_alg_name()Neels Hofmeyr1-0/+1
Add osmo_sub_auth_type_names[] and osmo_sub_auth_type_name(). Also add a hint to enum osmo_auth_algo's API doc that osmo_auth_alg_name() already exists (it is defined further below). Change-Id: I652a929bcd11c694d86812fb03d0a1cbd985efda
2017-10-09Add function to generate random identifierMax1-0/+1
The function is a wrapper on top of getrandom() (if available via glibc) or corresponding syscall. If neither is available than failure is always returned. It's intended to generate small random data good enough for session identifiers and keys. To generate long-term cryptographic keys it's better to use special crypto libraries (like GnuTLS for example) instead. As an example it's used to replace old insecure random number generator in osmo-auc-gen utility. Change-Id: I0241b814ea4c4ce1458f7ad76e31d390383c2048 Related: OS#1694
2017-10-05add osmo_imsi_str_valid() and osmo_msisdn_str_valid()Neels Hofmeyr1-0/+3
Add GSM23003_IMSI_MIN_DIGITS definition. Add regression test gsm23003_test.c to test the two new functions. Will be used by OsmoHLR to validate VTY and CTRL input. Change-Id: I1e94f5b0717b947d2a7a7d36bacdf04a75cb3522
2017-08-09Add osmo_gprs_{ul,dl}_block_size_{bits,bytes} functionsHarald Welte1-0/+6
Those functions can be used to look up the size of (E)GPRS blocks. Change-Id: I05ff75ef7dfae639886bbd09fe35f03a8af9d988
2017-07-11utils: add function gsm_fn_as_gsmtime_str()Philipp Maier1-0/+1
Convert a given frame number into a printable string that displays the sub components of the frame number. Change-Id: I8015d2ded3940b01b35df7b72fc35c70c25e9926
2017-07-10gsm_utils: Add osmo_dump_gsmtimePau Espin Pedrol1-0/+1
Used by osmo-bts, moved from osmo-bts l1sap.c:dump_gsmtime. Change-Id: Ib5452e2c20f53006c0f6d197fb055728947125d8
2017-06-23fix map entry for gsm0808_speech_codec_from_chan_typeNeels Hofmeyr1-1/+1
Recent commit 884ba0f2bcaf385cabee0b4228a2598d61fa406b adds function gsm0808_chan_type_to_speech_codec() but adds a mismatching name in libosmogsm.map. openbsc.git's aoip branch can't build with this. This must have been an on-the-fly rename that wasn't properly tested. Always test your patches! Change-Id: I68feb14f7bcb2f62b89f9b2d8c085d6824b493bc
2017-06-23fix map entry and .h declaration for gsm0808_chan_type_to_speech_codec()Neels Hofmeyr1-1/+1
Recent commit 3149b0d076477303a38df735fe579b1b06ee17b2 adds function gsm0808_chan_type_to_speech_codec() but adds a completely mismatching name in libosmogsm.map, as well as a definition with a typo in the name. Fix the entry in libosmogsm.map. Add the missing 'c' in gsm0808_utils.h Change-Id: I5a621fa5ef6b632eabbe224f3dd383eacaffb695
2017-06-22gsm0808: add function gsm0808_speech_codec_from_chan_type()Philipp Maier1-0/+1
The contents of the speech codec element (struct gsm0808_speech_codec), that is also used in the speech codec list element (struct gsm0808_speech_codec_list) can be generated directly from the permitted speech parameter in the channel type field (struct gsm0808_channel_type) when full AoIP with compressed speech via RTP/UDP/IP is assumed and when the codec configuration on the air interface exactly matches the codec configuration on the IP backhaul. This patch adds a function that can be used as a helper to fill out spech codec fields by only giving a permitted speech parameter as input. Change-Id: I257c972e9fdf0dfe940a8d483447085bd62e50a2
2017-06-22gsm0808: add function gsm0808_chan_type_to_speech_code()Philipp Maier1-0/+1
The permitted speech field used in channel type element (struct gsm0808_channel_type) uses a different representation as the type field in the speech codec element (struct gsm0808_speech_codec) This patch adds a function to convert from permitted speech to speech codec type. Change-Id: Ib26a9c20864459b2baaa04f49b6e7902ba44b7cb
2017-06-12Add header file with definitions for GSM TS 04.14 / 3GPP TS 44.014Harald Welte1-0/+2
Change-Id: I1f4fc2761b55a4f83544c1c3793ab67fec9fc120
2017-05-14Make EARFCN size calculation more robustMax1-0/+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
2017-04-28Add SW Description (de)marshallingMax1-0/+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
2017-04-15ipa: Introduce helpers to encode IPA CCM ID RESPONSEHarald Welte1-0/+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
2017-04-08gsm0808: make gsm0808_create_reset_ack() accessiblePhilipp Maier1-0/+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
2017-04-08gsm0808: Add create functions for BSS_MAP_MSG_ASSIGMENT_RQSTPhilipp Maier1-0/+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
2017-04-08gsm0808: Add create functions for BSS_MAP_MSG_PAGINGPhilipp Maier1-0/+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
2017-04-08gsm0808: Add create functions for CIPHER MODE COMMANDPhilipp Maier1-0/+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
2017-04-08gsm0808: Add utils for Cell Identifier ListPhilipp Maier1-0/+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
2017-04-08gsm0808: Add utils for Encryption InformationPhilipp Maier1-0/+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
2017-04-08gsm0808: Add utils for Channel TypePhilipp Maier1-0/+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
2017-04-08gsm0808: Add AoIP specific elements to gsm0808_create_... functionsPhilipp Maier1-0/+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
2017-04-08gsm0808: Add utils for Speech Codec List and Speech CodecPhilipp Maier1-0/+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
2017-04-08gsm0808: Add utils for AoIP Transport Layer AddressPhilipp Maier1-0/+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
2017-03-22abis: add message type namesMax1-0/+1
Add human-readable names for Message Types from 3GPP TS 52.021 §9.1 Related: OS#1614 Change-Id: Ide8202b4387351f57ceee34a9eb8c30aef09a663
2017-03-21abis: add attribute namesMax1-0/+1
Add human-readable names for Attributes from 3GPP TS 52.021 §9.4 Change-Id: I861247c01557dac7e484ef6fb9b170f69c8a7f55 Related: OS#1614
2017-03-16add gsm48_pdisc_msgtype_name()Neels Hofmeyr1-0/+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
2017-03-16add gsm48_pdisc_names and gsm48_pdisc_name()Neels Hofmeyr1-0/+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
2017-03-07libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy1-0/+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
2017-02-27Export comp128 v2 and v3 routines as wellHolger Hans Peter Freyther1-0/+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
2017-02-15gsup: add osmo_gsup_message_type_name()Neels Hofmeyr1-0/+1
Change-Id: Ic29b588b72893821d73fe90ecc16c6bf78d5a360
2017-01-19Add abis_nm_fail_evt_vrep to libosmogsm.mapMax1-0/+1
Change-Id: If56b521429af497ddd5a47170eb2c085b1fb78ba
2017-01-17libosmogsm.map: fix typoMax1-1/+1
Change-Id: I71413fbe703e459782a235e5b1d8487265de3780 Related: OS#1615
2017-01-10Add value strings for Probable Cause TypeMax1-0/+1
Add string representation of Probable Cause Type from 3GPP TS 12.21 § 9.4.43. Change-Id: I9fe14ed3b5398f59dd06a509e4d419e074cc20a7 Related: OS#1615
2017-01-06Add OML Failure Event Report supportMax1-0/+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
2017-01-06Add event cause string descriptionsMax1-0/+1
Add human-readable descriptions to event causes from 3GPP TS 12.21 § 9.4.43. Change-Id: Id173c978616c98b7831fbafb5401064257f1cf73 Related: OS#1615
2017-01-06Add parsed TLV helpers from OsmoBTSMax1-0/+2
Add functions to copy and merge parsed TLV structures from OsmoBTS. Change-Id: Ieaaaed19da9c069fe451faa53d24c5b84d7d5615
2017-01-06Add OML definitions from OsmoBTSMax1-0/+2
Change-Id: I9c3bc15662949654e7bba6aad5488c69ee7d0c45 Related: OS#1615
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
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