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* core: Add timespec helper macros and make timer_compat.h publicPau Espin Pedrol2018-02-271-1/+1
| | | | | | | | | | | If a monotonic clock must be used, then the clock_gettime API is used which uses timespec structures. Linux systems by default don't provide helpers to calculate time using timespecs, so let's add them here. Let's also make this header public so these helpers can be used in other projects using libosmocore (expected user: libosmo-netif). Change-Id: I45fc993b9bb0a343763238bf463c8640f47b00f1
* libosmocodec: implement ECU (Error Concealment Unit) for FRPhilipp Maier2018-01-151-0/+1
| | | | | | | | | | | When a bad GSM voice frame is received, it's being replaced by a silence frame. This may cause unpleasant audio effects. This change implements a functionality to craft a replacement frame from the last known good frame. Currently, only FR is supported, support for other codecs may be added latter. Change-Id: I06a21f60db01bfe1c2b838f93866fad1d53fdcd1
* libosmocodec: add FR bit offset definitionsPhilipp Maier2017-12-201-0/+1
| | | | | | | | This change defines the GSM FR bit positions as described in RFC 3551, which will be used by further ECU (Error Correction Unit) implementation. Change-Id: I1d0a198af0f8dd1f690b5a81f5c9eb92c43aefed
* Rename 'statistics.c' to 'counter.c'Harald Welte2017-10-151-0/+1
| | | | | | | | | With stat_item, stats.c and stats_statsd.c, it is becoming a bit difficult to understand file naming. Also, the 'statistics.c' file actually only contained osmo_counter handling, so let's rename it to counter.c altogether. Change-Id: I2cfb2310543902b7da46cb15a76e2da317eaed7d
* Add pseudo-random bit sequence generator to libosmcooreHarald Welte2017-07-101-0/+1
| | | | | | | These PRBS sequences are specified in ITU-T O.150. They are typically used as test data to be transmitted for BER (bit error rate) testing. Change-Id: I227b6a6e86a251460ecb816afa9a7439d5fb94d1
* Add header file with definitions for GSM TS 04.14 / 3GPP TS 44.014Harald Welte2017-06-121-0/+1
| | | | Change-Id: I1f4fc2761b55a4f83544c1c3793ab67fec9fc120
* sercomm: Include in libosmocore MakefileHarald Welte2017-05-171-0/+1
| | | | Change-Id: If9d50d634381f43b2c67b97fea36a462a66e4559
* introduce byteswap.h with osmo_{htonl,ntohl,htons,ntohs}Harald Welte2017-05-151-0/+1
| | | | | | | | We need to have an architecture-independend way of endian conversion / byte swapping functions which will also work on embedded (bare iron) builds. Let's introduce osmocom/core/bytesawp.h for this purpose. Change-Id: Ibc0cc1e36d4ed63a35cf8ceff3af0f26e5ac7a3d
* gsm0808: Add utils for AoIP Transport Layer AddressPhilipp Maier2017-04-081-0/+1
| | | | | | | | | | 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
* build: fix build dependencies for generated sourcesNeels Hofmeyr2017-03-201-1/+3
| | | | | | | | Ensure that a changed conv_gen.py and/or conv_codes_gsm.py result in regeneration of the gsm0503* generated sources. Before this patch, manual cleaning of the generated files was necessary to benefit from a code update. Change-Id: Ib4328662c21280c0ea6aa9391a64ada2c6598704
* build: generate gsm0503.h to builddir, not srcdirNeels Hofmeyr2017-03-201-1/+1
| | | | | | | | To ensure that a separate build dir keeps the source dir clean of state, generate the gsm0503.h to the builddir instead of the srcdir. Adjustments for everyone to access the right paths were added in previous patches. Change-Id: Ia773ef5893a2018feb416061aefcf51835df18d2
* libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy2017-03-071-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* gsm0503.h: generate header automaticallyVadim Yanitskiy2017-03-061-0/+6
| | | | | | | Since we have automatic header generation, implemented in the utils/conv_gen.py, it's time to use this feature! Change-Id: I21caa4e433b2cc1861611e35350a9671da444c2a
* import oap message parsing / encoding from openbsc.git; AGPL->GPLHarald Welte2016-12-111-0/+1
| | | | | | | | | | | | | | | | | | | 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
* egprs: Add CPS tables from TS 04.60Tom Tsou2016-07-251-0/+1
| | | | | | | | 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
* Add EGPRS RLC/MAC headers from 3GPP TS 04.60Tom Tsou2016-07-121-0/+1
| | | | | | For shared use by osmo-pcu and osmo-bts-trx. Change-Id: I500cdc87cd30faf36c8cd92d234642f809c8f2aa
* Add GEA3 & GEA4 ciphersMax2016-07-111-1/+1
| | | | | | | | | | | Corresponding test code include both official test vectors from the specs and data from over-the-air tests. This obsoletes libosmo-crypt-a53 as it was last missing piece unimplemented in libosmogsm. Change-Id: I939e4f6b91b4a7c591ef3761fe2d46ed1c2fb2d3 Related: OS#1582
* Add Finite State Machine abstraction codeHarald Welte2016-06-161-0/+1
| | | | | | | | | | This code is supposed to formalize some of the state machine handling in Osmocom code. Change-Id: I0b0965a912598c1f6b84042a99fea9d522642466 Reviewed-on: https://gerrit.osmocom.org/163 Tested-by: Jenkins Builder Reviewed-by: Harald Welte <laforge@gnumonks.org>
* Add structures defining decoded TS 23.003 identitiesHarald Welte2016-06-161-0/+1
| | | | | | | Change-Id: I6423f8d75bb3e7aeca285854ab3232a087d62b57 Reviewed-on: https://gerrit.osmocom.org/304 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/+1
| | | | | | | 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.
* add new header file for TS 23.003Harald Welte2016-05-051-0/+1
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* import gsm_04_08_gprs.[ch] from openbsc.gitHarald Welte2016-05-051-0/+1
| | | | | | 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.
* Add code generator for convolutional codesMax Suraev msuraev@sysmocom.de2016-04-291-0/+1
| | | | | | | | | | | | | | | | 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 bitvecMax2016-04-231-0/+1
| | | | | Add convenience function to append range1024 encoded data (see 3GPP TS 44.018 Annex J) to a given bitvec.
* sim: add class_tables / card profilesHarald Welte2016-03-171-0/+1
| | | | | The tables permit code to determine the APDU class of an APDU based on it APDU/TPDU header (CLA/INS/P1/P2/P3).
* vty: add ctrl section for Control interface bind addressNeels Hofmeyr2016-02-251-1/+2
| | | | | | | | | | | | | | | | | | | | | | | This may seem like overkill for a mere const char * config item, but it makes the Control interface VTY commands reusable in any main() scope (inspired by libosmo-abis' VTY config). Add API functions ctrl_vty_init() and ctrl_vty_get_bind_addr(), in new files src/ctrl/control_vty.c and include/osmocom/ctrl/control_vty.h, compiled and/or installed dependent on ENABLE_VTY. Using these functions allows configuring a static const char* with the VTY commands ctrl bind A.B.C.D which callers shall subsequently use to bind the Control interface to a specific local interface address, by passing the return value of ctrl_vty_get_bind_addr() to control_interface_setup(). Add CTRL_NODE to enum node_type, "eating" RESERVED4_NODE to heed that comment on avoiding ABI changes.
* Add T4 bit map compression routinesMax2016-02-181-0/+1
| | | | | | | | | | | | | | | Add bit map encoder and decoder functions: decoder is fully functional while encoder is good enough for testing - no backtracking to find the best possible compression is implemented. If somebody is willing to implement MS side of EDGE than this has to be expanded. Add corresponding tests. N. B: the encoding is implemented according to ETSI TS 44.060 which is slightly different from T4 used for fax according to CCITT G31D (RFC 804). Ticket: OW#2407 Sponsored-by: On-Waves ehf Signed-off-by: Max <msuraev@sysmocom.de>
* remove our internal copy of talloc, use system libtallocHarald Welte2015-12-051-16/+0
| | | | | | | Shipping our own private copy of talloc was a good idea in 2008, when it was not readily available on most target platforms. Today, the situation is quite different, as it is a standard library on major Linux distributions.
* use system-wide libtalloc with --enable-system-tallocHarald Welte2015-11-211-1/+14
| | | | | | | | | This introduces a new configure flag by which the libosmocore-internal talloc code is not compiled, but rather a system-wide libtalloc is used. When we started openbsc/libosmocore in 2008, libtalloc was not widely present on systems yet. This has changed meanwhile, and we should simply use the system-wide library
* stats: Add the reporting frameworkJacob Erlbeck2015-10-291-0/+1
| | | | | | | | This commit provides the stats reporting framework that can manage several types of measurement reporters. Initially support for rate_ctr and the statsd protocol is included. Sponsored-by: On-Waves ehf
* stats/vty: Add stats_vty.cJacob Erlbeck2015-10-291-0/+1
| | | | | | | | | | | | | This file will contain the VTY code related to statistics. This commit adds a minimal file with just as single VTY command: - show stats This command shows all statistical values To enable this and future commands, the main program needs to call stats_vty_add_cmds(). Sponsored-by: On-Waves ehf
* stats: Add stat_item for value monitoringJacob Erlbeck2015-10-281-0/+1
| | | | | | | | | | | | | | This commit adds instrumentation function to gather measurement and statistical values similar to counter groups. Multiple values can be stored per item, which can be retrieved in FIFO order. Getting values from the item does not modify its state to allow for multiple independant backends (e.g. VTY and statd). When a new value is set, the oldest value gets silently overwritten. Lost values are skipped when getting values from the item. Sponsored-by: On-Waves ehf
* Add APN utility function to libosmogsmHarald Welte2015-05-251-0/+1
| | | | | | 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.
* endian: Be able to detect endian on GNU and BSDHolger Hans Peter Freyther2015-03-221-0/+1
| | | | | | | | | | | | | | | | | | On GNU __BYTE_ORDER and __LITTLE_ENDIAN is defined and the include is "endian.h" on FreeBSD it is "sys/endian.h" and LITTLE_ENDIAN/_LITTLE_ENDIAN and BYTE_ORDER/_BYTE_ORDER is defined. Create a header file that defines OSMO_IS_LITTLE_ENDIAN and OSMO_IS_BIG_ENDIAN and can be used as #if OSMO_IS_LITTLE_ENDIAN do_little_endian #elif OSMO_IS_BIG_ENDIAN do_big_endian #else #error "Unknown endian" #endif
* Supplementary Services (de)activation, interrogation addedTobias Engel2015-01-011-0/+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.
* add gsm0341_test to generate SMSCB hex stringsHarald Welte2014-12-291-0/+1
| | | | Those hex strings can then be copy+pasted into the OSmoNITB VTY
* initial checkin of 'libosmosim'Harald Welte2014-10-261-1/+2
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* New <osmocom/ctrl/ports.h> file listing tcp ports for CTRL interfaceHarald Welte2014-08-211-0/+1
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* libctrl: autotools build system integrationHarald Welte2014-08-211-0/+2
| | | | Now we actually build the recently-imported libctrl
* new <osmocom/vty/ports.h> file listing VTY tcp portsHarald Welte2014-08-211-1/+2
| | | | imported from http://openbsc.osmocom.org/trac/wiki/PortNumbers
* ipa: rename functions for consistencyHarald Welte2014-08-201-1/+1
| | | | | | | | 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.
* import various generic IPA related functions from libosmo-abisHarald Welte2014-08-201-0/+1
| | | | | | | | | libosmo-abis is about forming A-bis interfaces/lines by means of E1 or the IPA multiplex (or possibly other link layers). The IPA multiplex is used in other contexts, such as the Control interface, or the A interface. In that context, it makes sense to have generic IPA related functions in libosmocore.
* osmocore: Add function osmo_macaddr_parse() to parse ETH MAC addressHarald Welte2014-08-181-0/+1
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* gsm: Add Kasumi cipher implementationSylvain Munaut2014-06-161-1/+3
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* core: Add generic LE/BE load/store uint type convertors and use them in msgbMax2014-06-161-0/+7
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* implement COMP128 version 2 and 3 A3/A8 algorithmKevin Redon2013-11-031-0/+1
| | | | simple copy into C from reversed code from www.hackingprojects.net
* sms: Implement encoding the address as alphanumeric typeHolger Hans Peter Freyther2013-09-041-0/+1
| | | | | | The number of digits is the number of used octets times two (two digits per octet). The result has been successfully dissected by wireshark. It has not been tested with real phones.
* core: Move OSMO_DEPRECATED to new core/defs.h fileJacob Erlbeck2013-08-141-0/+1
| | | | | | | | | | Add a new core/defs.h file for definitions that can be used from within header files without including prototypes and extern declarations. It's primarily meant for macro definitions and basic typedefs. Move the definition of OSMO_DEPRECATED there and use compiler version info to avoid compiler errors.
* Remove osmo_phsap_prim from lapdm.h and move to a seperate header fileAndreas Eversberg2013-07-061-0/+1
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* add new gsm/meas_rep.h file for shared/common measurement report stuffHarald Welte2013-03-131-0/+1
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