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* update/extend doxygen documentationHarald Welte2017-06-121-7/+1
| | | | | | | | | It's a pity that even with this patch we still are fare away from having the whole API documented. However, at least we have a more solid foundation. Updates not only extend the documentation, but also make sure it is rendered properly in the doxygen HTML. Change-Id: I1344bd1a6869fb00de7c1899a8db93bba9bafce3
* gsm0503_interleaving: Mark input arguments as 'const *'Harald Welte2017-06-121-5/+5
| | | | | | | The interleaving/deinterleaving functions were missing 'const' qualifiers on their input data buffers Change-Id: I2118c34a6353167787b23f877f1d81d60151aaf9
* Add doxygen documentation to libosmocodingHarald Welte2017-06-125-0/+50
| | | | | | | This adds the minimum amount of API documentation that we should have on all our code, particularly new code merged into a library. Change-Id: I526804f64313867913574e50e5b9e9205ad3aa74
* gsm0503_{coding,mapping}: Mark input arguments as 'const'Harald Welte2017-06-122-21/+21
| | | | | | | | It is generally our coding style to mark pointers to constant input data as 'const *'. For some reason the gsm0503 coding and mapping was not adhering to this, so let's bring it into compliance. Change-Id: Id8731d7ae6171dff94741b6ddbb95ab5f03bfd4e
* Add header file with definitions for GSM TS 04.14 / 3GPP TS 44.014Harald Welte2017-06-121-0/+101
| | | | Change-Id: I1f4fc2761b55a4f83544c1c3793ab67fec9fc120
* Update L3 protocol discriminator definitionsHarald Welte2017-06-091-3/+5
| | | | Change-Id: Ia699d3494b93b7f88c36338e4960b35c42a29b9c
* osmo_{fr,hr}_check_sid(): Use const input argumentHarald Welte2017-06-091-2/+2
| | | | Change-Id: If779cce63f06a18d4f3b0cb3d6dd7a99aa52a646
* socket: Add osmo_sock_init2_ofd() functionPau Espin Pedrol2017-05-261-0/+4
| | | | | | Will be used by osmo-bts-trx Change-Id: I3c655a4af64fb80497a5aaa811cce8005dba9cd9
* Add human-readable names for signal_nsMax2017-05-241-0/+2
| | | | | Change-Id: Id664355eb8305fb287e4dae0800fb20dc2f9b8cd Related: SYS#3610
* sercomm: More API documentationHarald Welte2017-05-171-1/+27
| | | | Change-Id: I5d5002ceedd10e10d772693478f4f9cab6b1290a
* sercomm: Better integration of driver interfaceHarald Welte2017-05-171-6/+7
| | | | | | | | | We cannot assume a certain UART API like uart_baudrate() which only exists in OsmocomBB. Rather, use generic function prototypes (sercomm_drv_*) which are to be provided by the application / environment to the sercomm core. Change-Id: I01ea3067baf1791000c1a7d537ccce496a1ab1ee
* sercomm: Include in libosmocore MakefileHarald Welte2017-05-171-1/+1
| | | | Change-Id: If9d50d634381f43b2c67b97fea36a462a66e4559
* sercomm: remove unrequired helper functionsHarald Welte2017-05-171-2/+0
| | | | | | | | osmo_sercomm_{bind,get}_uart() are not really needed anymore, as sercomm_inst is public and thus the user can access the uart_id member directly. Change-Id: I6d57709c3764036046202f16a26c9eb87426c8d1
* sercomm: Move HDLC related defines into C fileHarald Welte2017-05-171-7/+0
| | | | | | | Those values are not relevant to the sercomm user, only to the implementation and thus can remain inside sercomm.c Change-Id: I5700a45985b7c119c6338932171aae62ee4e2d22
* sercomm: Add doxygen-style documentation to public APIHarald Welte2017-05-171-10/+19
| | | | Change-Id: I2d8b11905692920d328262836420f01305be489e
* sercomm: make rx msg size configurable per instanceHarald Welte2017-05-171-0/+1
| | | | Change-Id: I835506e26e83232e1e7290c0da04d389c8d7fb40
* sercomm: introduce osmo_ naming prefix in struct and function namesHarald Welte2017-05-171-14/+14
| | | | Change-Id: If4e22f182a47b72b1fe43146716a4fbccceb62e6
* sercomm: Enable multiple instances of 'sercomm'Harald Welte2017-05-171-11/+36
| | | | | | | | Rather than having one global instance, let's permit multiple instances of sercomm to co-exist, with all API functions extended by the instance as first argument. Change-Id: I0f3b53f464b119d65747bcb0be0af2d631e1cc05
* Import sercomm.c from osmocom-bbHarald Welte2017-05-171-0/+61
| | | | | | | | | This imports the file src/target/firmware/comm/sercomm.c from osmocom-bb.git without introducing any modifications. It will not even be built yet, as Makefile integration is intentionally left until it has been adapted to work inside libosmocore. Change-Id: I9ee199381c7b5986a9540d124836cdddd0f66c86
* l1sap: Add frame-number to measurement indication structPhilipp Maier2017-05-171-0/+1
| | | | | | | | The distribution of the channel measurement calculations over multiple timeslots (continous calculation) requires to keep track of the frame number in struct info_meas_ind_param Change-Id: I8c783b4a92ae2c3cc5d17936a146eb49d47eac37
* stats: Disable stats*.c on embedded targetsHarald Welte2017-05-151-0/+10
| | | | Change-Id: I6beb4fcc394ed7d3f8dd7a097b6e998245ecf401
* gsm/tlv.h: fix copy-paste errorVadim Yanitskiy2017-05-151-2/+2
| | | | Change-Id: Id52ddd8358fd4af1ecc71142deb09f1e237021f3
* gsm0808 + ipa: fix compilation on systems without sys/socket.hHarald Welte2017-05-152-2/+2
| | | | Change-Id: I60f5d4982cd96ab29f9924ec11b46bf56fbfc346
* tlv: Add tlvp_val{16,32}be() to get TLV values in unaligned host byte orderHarald Welte2017-05-151-0/+23
| | | | Change-Id: I3749e1e4974742bc8c32722e0e998775b5394829
* introduce byteswap.h with osmo_{htonl,ntohl,htons,ntohs}Harald Welte2017-05-151-0/+43
| | | | | | | | 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
* endian.h: Make it work on 'bare iron' builds (and possibly more platforms)Harald Welte2017-05-151-1/+13
| | | | | | | We can use __BYTE_ORDER__ which seems to be defined by both gcc and clang/llvm. Change-Id: Id6821c99e88242126d9697099b1dd92c6212526a
* Make EARFCN size calculation more robustMax2017-05-141-1/+4
| | | | | | | | | | | | | * 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
* gsm_04_08: Add missing GSM cause valueDaniel Willmann2017-05-121-0/+3
| | | | | | | | | | | | Table 10.5.157 in 10.5.6.6 of 3GPP TS 04.08 is badly formatted. The first value 0x19 "LLC or SNDCP failure" is in the same line as the heading and has not been included in the struct_value so far. Table 10.5.157 in 10.5.6.6 of 3GPP TS 24.008 fixes this formatting issue and also defines two more values 0x08 and 0x18 which are now added to the struct value_string. Change-Id: I5bcc52f739ff0677011d024448afcc2a54869638
* timer: add osmo_timer_setup()Pablo Neira Ayuso2017-05-091-0/+2
| | | | | | | | | | | | | | | Add a new function timer function to set up the timer, similar to what we have in the Linux kernel. This patch also converts existing opencoded timer setup in the libosmocore tree as initial client of this new function. This patch implicitly removes function callback passed by reference that defeat compile time type validation. Compile-tested only, but I ran make check that reports success when testing timer infrastructure. Change-Id: I2fa49972ecaab3748b25168b26d92034e9145666
* vty: cleanup logging functionsMax2017-05-092-3/+3
| | | | | | | | | | | | * remove unused parameter from logging_vty_add_cmds() * mark log level descriptors static * change internal static function int check_log_to_target() to more appropriate bool should_log_to_target() * deprecate log_vty_command_*() from public API as it should only be used by logging_vty_add_cmds() Change-Id: I0e9ddd7ba3ce211302d99a3494eb408907a2916e Related: OS#71
* gprs: add value strings for NS PDU typeMax2017-05-091-0/+2
| | | | | | | | Add value strings for Service Control PDUs according to 3GPP TS 48.016 §9 and use them for logging. Change-Id: I0ea3a45f35d68619d4cfa9735ef77abd9f9f0d58 Related: SYS#3610
* Add SW Description (de)marshallingMax2017-04-281-0/+16
| | | | | | | | | | | | | | | | * 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
* control_if: Add control interface commands for FSMsHarald Welte2017-04-271-0/+2
| | | | | | | | | This allows programmatic access to introspection of FSM instances, which is quite handy from e.g. external test cases: Send a message to the code, then use the CTRL interface to check if that message has triggered the right kind of state transition. Change-Id: I0f80340ee9c61c88962fdd6764a6098a844d0d1e
* control_if: Add helper function for 'local execution' of control commandHarald Welte2017-04-271-0/+1
| | | | | | | | Sometimes (particularly when testing), we may want to parse+execute an arbitrary control command simply form a string buffer, rather than from a msgb. Let's add a helper for that. Change-Id: Iaca748e0d942bb2a1ee7c2776b37485e1439eb0c
* control_if: Add API to initialize control interface without TCP port bindHarald Welte2017-04-261-0/+1
| | | | | | | When executing test cases, we don't want to bind to a local TCP port, as we cannot make assumptions as to which ports are actually free. Change-Id: I5717f9dd92d1f143f069cecd4b4c8ba3d03b25f8
* ctrl: Allow installation of additional node lookup helpersHarald Welte2017-04-261-0/+2
| | | | | | | | | | | | The existing code assumes that the main application knows about all control command nodes and can thus present one lookup function. As libraries are getting their own control interface handling, this is too restrictive, and we need a way how library code can dynamically register more node lookup helpers. We can now do this by means of a ctrl_lookup_register() function. Change-Id: Ib69908d1c57f5bb721d5496e3b4a5258fca450e3
* osmo_fsm: Lookup functions to find FSM Instance by name or IDHarald Welte2017-04-161-0/+4
| | | | | | | Introduce two lookup helper functions to resolve a fsm_instance based on the FSM and name or ID. Also, add related test cases. Change-Id: I707f3ed2795c28a924e64adc612d378c21baa815
* ipa: Introduce helpers to encode IPA CCM ID RESPONSEHarald Welte2017-04-151-0/+7
| | | | | | | | | | 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
* msgb: Add msgb_pull_to_l2() analogous to msgb_pull_to_l3()Harald Welte2017-04-151-0/+15
| | | | | | | Introduce msgb_pull_to_l2() which pulls (removes) any msgb contents in front of the L2 header (msg->l2h). Change-Id: I7786a1b30f9e7eaa3dcdb3cbb2a85a126588f6cd
* vty/command.h: Introduce VTY nodes for libosmo-sigtranHarald Welte2017-04-141-0/+8
| | | | | | | This adds several VTY nodes required by the libosmo-sigtran VTY interface. Change-Id: I184a7e3187b48c15c71bf773f86e188fe1daad15
* Add osmo_sock_init2() function, allowing both BIND *and* CONNECTHarald Welte2017-04-091-0/+4
| | | | | | | | | The old osmo_sock_init() function allows only either a bind (for a server socket), or a connect (for a client socket), but not both together. So there's no way to have a client socket that is bound to a specific local IP and/or port, which is needed for some use cases. Change-Id: Idab124bcca47872f55311a82d6818aed590965e6
* Add struct osmo_prim_event_map and osmo_event_for_prim()Harald Welte2017-04-091-0/+14
| | | | | | This can be used to map from an osmo_prim to an osmo_fsm event. Change-Id: I52350f4ebe97811b2a692e5a69a2cd39a853583c
* gsm0808: Add create functions for BSS_MAP_MSG_ASSIGMENT_RQSTPhilipp Maier2017-04-081-0/+5
| | | | | | | | | | 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/+3
| | | | | | | | | | 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/+2
| | | | | | | | | | 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 Maier2017-04-082-0/+16
| | | | | | | | | | 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 Maier2017-04-082-0/+18
| | | | | | | | | | 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 Maier2017-04-082-0/+17
| | | | | | | | | | 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 Maier2017-04-081-2/+19
| | | | | | | | | 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 Maier2017-04-082-0/+41
| | | | | | | | | | 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
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