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* 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 Welte2017-05-152-0/+44
| | | | | | | | 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
* gsm0808: Add utils for AoIP Transport Layer AddressPhilipp Maier2017-04-082-0/+31
| | | | | | | | | | 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
* logging.h: #define DLSS7, DLSCCP, DLSUA, DLM3UA for libosmo-sigtranHarald Welte2017-04-031-1/+5
| | | | Change-Id: I61f452208088dc7097165deecef7c058ebb4bd4e
* Add support for PCU version reportMax2017-03-231-0/+1
| | | | | | | | Expand 3GPP TS 52.021 §9.4.43 Probable Cause with Osmocom-specific value for PCU version reporting to enable sending it via OML alarms. Change-Id: If57459c0610f2c7b36d599b13087c8deef8bdd9e Related: OS#1614
* 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
* 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
* add gsm48_pdisc_msgtype_name()Neels Hofmeyr2017-03-161-0/+5
| | | | | | | | | | | | | | | 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/+4
| | | | | | | 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
* fix OSMO_VALUE_STRING macro: don't use OSMO_STRINGIFY()Neels Hofmeyr2017-03-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | To be able to use OSMO_VALUE_STRING() on a #defined constant, don't use OSMO_STRINGIFY(): the second indirection resolves the #define to its value, so for example OSMO_VALUE_STRING(GSM48_PDISC_MM) would resolve to { 0x05, "0x05" } When using '#x' directly, this becomes the desired { 0x05, "GSM48_PDISC_MM" } With enum values as we've used until now, this problem does not appear, because enum values are not resolved by the preprocessor. Keep OSMO_STRINGIFY() because it is used directly in openbsc (composing FSM state names). Change-Id: I91ecfcef61be8cf73d59ea821cc4fd9d2ad5c9c7
* ctrl_type_vals: explicitly terminateNeels Hofmeyr2017-03-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't use CTRL_TYPE_UNKNOWN as value_string[] terminator, use an explicit, more obvious { 0, NULL } termination. Set an explicit string for CTRL_TYPE_UNKNOWN. No other value_string[]s to date have such a "hidden" terminator. BTW, a { 0, "string" } item is not a terminator, only { 0, NULL } is, so we can set a string for CTRL_TYPE_UNKNOWN == 0. Also, having a string value for CTRL_TYPE_UNKNOWN is not harmful because all code paths explicitly check for the CTRL_TYPE_*s that are valid. Adjust the test expectation. From the ctrl_type_vals enum, remove the = 0, because it is implicitly 0 anyway. One motivation to press this fixup: I am trying to add a script that checks whether all value_string[]s are terminated to our jenkins jobs, and to find that this one is terminated, it would need to interpret the CTRL_TYPE_UNKNOWN constant, which would make things far more complex. At this point, all of the value_string[]s have an explicit termination, and I would like to enforce this from now on -- for readable code and to not spend more time on the validator. The patch adding ctrl_type_vals (Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28) was accepted by another reviewer before I could reconfirm my -1, so this is a fixup to enable the termination checking script patches. Related: I2bc93ab4781487e7685cfb63091a489cd126b1a8 (adds script to libosmocore) I7fe3678b524d602fc6aa14bc0ed06308df809a3e (uses in jenkins.sh) Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28 (adds ctrl_type_vals) Change-Id: Ia99f37464c7b36b587da2cc78f52c82725f02cbc
* linuxlist.h: add llist_first/last_entry macrosNeels Hofmeyr2017-03-151-0/+30
| | | | | | | | | | | Copy list_first_entry, list_first_entry_or_null and list_last_entry from current linux kernel's tools/include/linux/list.h and rename to llist_*. Slightly adjust API doc but stay as close to the source as possible. This can replace similar implementations in osmo-bts-octphy's l1_if.c, in openbsc's gtphub.c and in osmo-hlr's gsup_server.c. Change-Id: I4eac5be0c0b2cede04464c4c3a0873102d952453
* osmo_auth_gen_vec: UMTS auth: fix SQN as SEQ || INDNeels Hofmeyr2017-03-151-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | So far we incremented SQN by 1, which doesn't match the procedures described in 3GPP TS 33.102. An IND (index) denotes a non-significant part of SQN, and the significant SEQ part needs to be incremented. In OsmoHLR we furthermore want to use the "exception" suggested in annex C.3.4, so that each HLR's client has a fixed IND index. In other words, we will not assign IND cyclically, but keep IND unchanged per auth vector consumer. Add 'ind_bitlen' and 'ind' to the osmo_sub_auth_data.u.umts structure and increment SQN accordingly. Add a comment explaining the details. Because 'ind_bitlen' is still passed as zero, the milenage_test does not change its behavior, which is a feature I want to clearly show in this patch. The test will be expanded for the newly implemented SQN scheme in a subsequent patch. Adjust osmo-auc-gen.c to still show the right SQN and SQN.MS -- because it is passing ind_bitlen == 0, osmo-auc-gen can rely on single increments and know SQN.MS is sqn - 1. Note that osmo-auc-gen_test output remains unchanged. Related: OS#1968 Change-Id: Ibc97e1736a797ffcbf8c1f7d41c5c4518f4e41bf
* gsm_04_08: add _NUM_CHREQ_T to enumAlexander Couzens2017-03-141-0/+1
| | | | | | _NUM_CHREQ_T defines the last element of the enum Change-Id: Id67ba8de89dd6288e449197438e9e1c5d7f5a134
* gsm0408: add chreq_type for CHREQ_T_PDCH_ONE_PHASE and CHREQ_T_PDCH_TWO_PHASEAlexander Couzens2017-03-141-0/+2
| | | | | | | | | | The previous version of this commit got reverted to avoid a breakage in openbsc. The problem is openbsc use an array of chreq_type with a manual defined size. This array is using enums as index which breaks if any elements got added into the middle, because the size of the array can't hold elements greater or equal than the size. Change-Id: I6676105507fe4e5627f740dfe4c2770f766ad068
* libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy2017-03-076-0/+215
| | | | | | | | | | | | | | | | | | | | | | | | | 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 Yanitskiy2017-03-062-174/+6
| | | | | | | Since we have automatic header generation, implemented in the utils/conv_gen.py, it's time to use this feature! Change-Id: I21caa4e433b2cc1861611e35350a9671da444c2a
* fsm: convenience: add inline osmo_fsm_inst_state_name()Neels Hofmeyr2017-03-011-0/+4
| | | | Change-Id: If9a6ecc4d6e2beaf716569e9a6053d73488e860b
* Use value_string for ctrl_typeMax2017-03-011-2/+4
| | | | | | | | Use value_string for enum ctrl_type instead of custom code. Add corresponding unit tests. Related: OS#1615 Change-Id: Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28
* ports.h: rename CSCN to MSCNeels Hofmeyr2017-02-242-2/+2
| | | | | | See OS#1958 Change-Id: I85aee0f8fdfc9c69d0ba9240988c633d3e707f2d
* Expand and expose ctrl connection allocationMax2017-02-231-1/+1
| | | | | | | | | | | | Add function for allocating CTRL connection to public headers and replace call to previous static function with it. Add doxygen docs for this function. It's useful if we need to allocate ctrl connection but don't need to bind to any interfaces: when we act as ctrl client. Related: OS#1615 Change-Id: I522ed809cbebfd3d7dd08b4ed9137b39ff192e32
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