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* introduce byteswap.h with osmo_{htonl,ntohl,htons,ntohs}Harald Welte2017-05-156-2/+89
| | | | | | | | 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
* src/logging.c: Fix EMBEDDED buildHarald Welte2017-05-151-1/+1
| | | | | | | We don't enable/build _file_output in EMBEDDED builds, so we shouldn'r refer to that symbol. Change-Id: I491aa8ee9d20a96cbb2814700475afe03eb99c9e
* kasumi_test.c: fix incomplete checkVadim Yanitskiy2017-05-141-8/+8
| | | | | | | | Previously the 'passed' variable in test_expansion() was being overwritten on every call of _compare_mem(), so only the result of last call influenced the test result. Change-Id: Ibf3ab453c20c7eeec234b95bfe14b497c572c35f
* Make EARFCN size calculation more robustMax2017-05-143-7/+26
| | | | | | | | | | | | | * 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 Willmann2017-05-122-0/+6
| | | | | | | | | | | | 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
* configure.ac: fix build on systems without SIMD supportVadim Yanitskiy2017-05-111-3/+4
| | | | | | | HAVE_AVX2, HAVE_SSE3 and HAVE_SSE4_1 were never defined if CPU architecture doesn't match the (86*|x86_64*|amd64*) condition. Change-Id: If0c3128f9768f95c1f5f955db242e71c81384c6c
* doc: fix incorrect return value descriptionMax2017-05-101-1/+1
| | | | | Change-Id: Ieba009273f911bc4217122a6346220aeb29e8bc4 Related: OS#1614
* timer: add osmo_timer_setup()Pablo Neira Ayuso2017-05-0911-22/+26
| | | | | | | | | | | | | | | 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 functionsMax2017-05-095-18/+19
| | | | | | | | | | | | * 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 typeMax2017-05-093-2/+29
| | | | | | | | 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
* Simplify ctrl cmd lookupMax2017-05-082-32/+25
| | | | | | | Replace if-else ladder & gotos with single switch statement & explicit return to make reading code easier. Change-Id: Ida1b389b571c60c26813cd29e61b3e4423c5df0f
* gsm0808: fix control flow issuePhilipp Maier2017-05-081-3/+2
| | | | | | | | | | | | | | | | | | Coverity Scan reported a control flow issue in line 206: CID 166898: Control flow issues (DEADCODE) The second branch of the if statement can not be reached. The purpose of the second if branch was to filter out zero length elements if the header states that it is a non extended speech codec type. This makes no sense, since the header needs at least one byte. This patch removes the second if branch, zero length elements are catched by the already existing zero length check at the beginning of the function Change-Id: I89751fc0d598734c64ef1fdced75b7c4fa77c616
* configure.ac: check for __builtin_cpu_supports call supportVadim Yanitskiy2017-05-081-0/+27
| | | | | | | | | | | | The '__builtin_cpu_supports' is a GCC's built-in function which returns a positive integer if the run-time CPU supports specified SIMD feature and returns 0 otherwise. It is required for further SSE optimization of Viterbi decoder. This change adds a new check, whether compiler supports this call. See /gcc/X86-Built-in-Functions.html at gcc.gnu.org for reference. Change-Id: I5d52cfb3e8fab3eedc0293a2842708cbee0f476a
* configure.ac: add SIMD detection capabilitiesVadim Yanitskiy2017-05-074-0/+173
| | | | | | | | | | | | | | | | | | | This change adds a check whether compiler supports some SIMD (Single Instruction, Multiple Data) instructions. It is enabled by default, and can be disabled by configure option --disable-simd. The check macro is based on the AX_EXT from autoconf-archive: www.gnu.org/software/autoconf-archive/ax_ext.html And depends on the ax_check_compile_flag macro: www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html Currently only the following SIMD extensions are being checked: AVX2, SSE3, SSE4.1, but adding others is also possible. All found extensions are being defined in the 'config.h' header. Change-Id: Idf8fff984bd936a75c7c307338df88ba4b005817
* core/conv: strip unused memalign() callVadim Yanitskiy2017-05-071-10/+1
| | | | | | | | | The alligned memory allocation is only required for SSE, which is currently unsupported. Moreover, it's better to use dedicated _mm_malloc() and _mm_free() from xmmintrin.h instead, which are introduced by Intel specifically for SIMD computations. Change-Id: Ide764d1c643527323334ef14335be7f8915f7622
* Fix broken ctrl commandsMax2017-05-031-1/+2
| | | | | | | | | | | Recent changes to libosmoctrl resulted in ctrl comands being broken because local lookup helper returned incorrect value for ROOT_NODE. Note: although this commit seems to fix it for me, I'm still not sure how the logic behind lookup function return values work. Would be nice to get it documented. Change-Id: Iddd20602047ebd9be1b668593f5dfa6f1d3e8369
* tests/conv: add GSM 05.03 specific testVadim Yanitskiy2017-04-306-5/+355
| | | | | | | | | | This change extends the convolutional code test coverage, adding the GSM 05.03 specific test vectors, generated by the conv_gen.py. Inspired by Tom's patch: http://lists.osmocom.org/pipermail/openbsc/2014-April/007364.html Change-Id: I76d1cd4032d2f74c5bb93bde4fab99aa655b7f1a
* Add SW Description (de)marshallingMax2017-04-288-2/+437
| | | | | | | | | | | | | | | | * 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
* Uninitialized variable in ipa_ccm_make_id_resp_from_req()Harald Welte2017-04-271-0/+2
| | | | | | | | | | We are allocating a buffer on the stack without initializing it, and then passing it into ipa_ccm_make_id_resp(). There is no real danger from this, as the buffer is only uninitialized if num_ies is 0, but let's memset() it for good style Change-Id: If5761a47b8cba73ddcc02a88cfa5c87c1970c04e Fixes: coverity CID#167040
* control_if: Don't use magic number '5' when allocating vectorHarald Welte2017-04-271-1/+1
| | | | | | We have a proper constant for this (_LAST_CTRL_NODE), so let's use it. Change-Id: I46275e644166156cb665da70d2964008f1c6cd88
* control_if: Add control interface commands for FSMsHarald Welte2017-04-276-12/+227
| | | | | | | | | 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 Welte2017-04-273-1/+30
| | | | | | | | 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 Welte2017-04-262-27/+64
| | | | | | | 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 Welte2017-04-262-0/+43
| | | | | | | | | | | | 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
* fix spelling in API docu, command reply, logging, descriptionsThorsten Alteholz2017-04-235-5/+5
| | | | | | sections: ctrl, gb, gsm, vty Change-Id: Iac211b5cd8504da36b699777b95a2448dd7c3e70
* fsm: Re-set fsm_inst->T to 0 after timer expirationHarald Welte2017-04-161-1/+4
| | | | | | | | | | If the user starts the FSM timer with a given timer number during fsm_inst_state_chg() with a timeout, we should remove that "T" number after timer expiration. Otherwise it might be confusing if e.g. the VTY interface shows FSM instances with a certain timer number assigned, but that timer is not actually running anymore. Change-Id: I71167ec1000dc4c6954d851d3b92f6bf12984925
* osmo_fsm: Lookup functions to find FSM Instance by name or IDHarald Welte2017-04-164-9/+43
| | | | | | | 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 Welte2017-04-153-1/+127
| | | | | | | | | | 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
* core/conv: implement optimized Viterbi decoderTom Tsou2017-04-114-1/+806
| | | | | | | | | | | | | | | | | | | | Add a separate, faster convolution decoding implementation for rates up to N=4 and constraint lengths of K=5 and K=7, which covers the most GSM code uses. The decoding algorithm exploits the symmetric structure of the Viterbi add-compare-select (ACS) operation - commonly known as the ACS butterfly. This shift-register optimization can be found in the well-known text by Dave Forney. Forney, G.D., "The Viterbi Algorithm," Proc. of the IEEE, March 1973. Implementation is non-architecture specific and improves performance on x86 as well as ARM processors. Existing API is unchanged with optimized code being called internally for supported codes. The original code was relicensed under GPLv2-or-later with permission of copyright holder - Tom Tsou. Change-Id: I74d355274b4176a7d924f91ef3c96912ce338fb2
* Add osmo_sock_init2() function, allowing both BIND *and* CONNECTHarald Welte2017-04-095-33/+248
| | | | | | | | | 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 Welte2017-04-092-0/+32
| | | | | | This can be used to map from an osmo_prim to an osmo_fsm event. Change-Id: I52350f4ebe97811b2a692e5a69a2cd39a853583c
* compiler warnings: take care of compiler warning "unused-result"Thorsten Alteholz2017-04-081-0/+7
| | | | | | | | Though it makes no sense to handle the return code of freopen() here, the compiler complains about it. The #pragma statements take care of that. Change-Id: Ia2caadbed2a24f84d1d55a47236b398b74224e82
* gsm0808: make gsm0808_create_reset_ack() accessiblePhilipp Maier2017-04-083-0/+15
| | | | | | | | | | | 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 Maier2017-04-085-0/+113
| | | | | | | | | | 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 Maier2017-04-085-0/+99
| | | | | | | | | | 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 Maier2017-04-085-0/+78
| | | | | | | | | | 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 Maier2017-04-085-0/+181
| | | | | | | | | | 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 Maier2017-04-085-0/+131
| | | | | | | | | | 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 Maier2017-04-085-0/+123
| | | | | | | | | | 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 Maier2017-04-085-7/+195
| | | | | | | | | 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 Maier2017-04-085-0/+355
| | | | | | | | | | 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 Maier2017-04-086-1/+220
| | | | | | | | | | 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
* add VTY port number for osmo-stpHarald Welte2017-04-081-0/+1
| | | | Change-Id: I978e1b73aa8097a7db6318d78f9f93457e6ce2af
* select: Find the highest fd when filling the fd_setsHolger Hans Peter Freyther2017-04-041-1/+12
| | | | | | | | | | | | | | | Instead of returning maxfd, which is the highest fd ever seen, take the highest we have seen on this iteration. This makes a tiny difference for the osmo-sip-connector and its event loop integration. select.c ignores the return value of this function right now. This was seen while debugging the eventloop integration of the osmo-sip-connector before and after a VTY connection. The fds being polled didn't go down. Change-Id: I1a6d7271273ec08bb511c21b936891bc508843e4
* logging: Add log_info_cat for DLSS7/DLSCCP/DLSUA/DLM3UAHarald Welte2017-04-031-0/+20
| | | | | | | In Change-Id I61f452208088dc7097165deecef7c058ebb4bd4e we introduced the #defines but didn't introduce the new log_info_cat information. Change-Id: I218aa4cb1fc7640a75663be29bac672dfa8770f5
* logging.h: #define DLSS7, DLSCCP, DLSUA, DLM3UA for libosmo-sigtranHarald Welte2017-04-031-1/+5
| | | | Change-Id: I61f452208088dc7097165deecef7c058ebb4bd4e
* jenkins: also test build in separate dirNeels Hofmeyr2017-03-311-0/+12
| | | | | | | | | | | | | To make sure that new patches don't break a build done in another dir than srcdir, make jenkins verify that it still works. Even though 'make distcheck' also tests a build from a separate dir, this does not verify that BUILT_SOURCES are generated properly. If these already exist in the source tree from a previous 'make' issued in the source tree, the BUILT_SOURCES are not regenerated during 'make distcheck'. Hence a separate test run is necessary to ensure stability of new patches. Change-Id: I4b31538c155941fd241bcd33b0d39f2f8491ac1e
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