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* gsm0408_test: add test cases for MNC with leading zerosNeels Hofmeyr2018-02-282-0/+149
| | | | Change-Id: I9b387e09293a6bbef84b9620ccf21ee2f9ec751c
* gsm0408_test: test new gsm48_{decode,generate}_lai2() functionsNeels Hofmeyr2018-02-282-0/+50
| | | | Change-Id: I4c8492b8055803d2857f1ef30aede088778b085b
* gsm0408_test: check for new mnc_3_digits flagNeels Hofmeyr2018-02-282-4/+5
| | | | | | | Note that on the input side, the 3-digits flag may be left false when the MNC is >99 anyway. On the decoded side, the flag is set accurately. Change-Id: I89765613d8c5bd939a6957f7443ac88475f1b93c
* implement support for 3-digit MNC with leading zerosNeels Hofmeyr2018-02-2815-75/+277
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable representing three-digit MNC with leading zeros. The MNCs 23 and 023 are actually different; so far we treated both as 23. Re-encode an incoming BCD or string of 023 as it were, i.e. not dropping the leading zero as 23. Break ABI compatibility by changing the size and ordering of structs gprs_ra_id, osmo_plmn_id, osmo_cell_global_id, ... by adding an mnc_3_digits flag. Change ordering in gprs_ra_id because the canonical oder is {Mobile Country Code, Mobile Network Code}, so have the mcc member first. ABI compatibility cannot be maintained for struct gprs_ra_id, since it is a direct member of structs bssgp_bvc_ctx and bssgp_paging_info, and even just adding a flag to the end would cause ABI changes of those structs. Similarly, osmo_plmn_id is a direct member of osmo_location_area_id, and so forth. Add new API to set and read this additional flag to preserve leading zeros: - osmo_plmn_to_bcd(), osmo_plmn_from_bcd() after gsm48_mcc_mnc_to_bcd() and gsm48_mcc_mnc_from_bcd(). - gsm48_decode_lai2(), gsm48_generate_lai2() after gsm48_decode_lai(), gsm48_generate_lai(). - gsm0808_create_layer3_2() after gsm0808_create_layer3() and gsm0808_create_layer3_aoip(). - various osmo_*_name() functions in gsm23003.h (osmo_rai_name() still in gsm48.h close to struct gprs_ra_id definition). The amount and duplication of these may seem a bit overboard, but IMO they do make sense in this way. Though most code will soon see patches unifying the data structures used, in some cases (vty, ctrl) they are required singled out. Without these functions, the formatting ("%0*u", mnc_3_digits ? 3 : 2, mnc) would be duplicated all over our diverse repositories. In various log output, include the leading MNC zeros. Mark one TODO in card_fs_sim.c, I am not sure how to communicate a leading zero to/from a SIM card FS. The focus here is on the core network / BSS. To indicate ABI incompatibility, bump libosmogsm and libosmogb LIBVERSIONs; adjust debian files accordingly. Implementation choices: - The default behavior upon zero-initialization will be the mnc_3_digits flag set to false, which yields exactly the previous behavior. - I decided against packing the mnc with the mnc_3_digits field into a sub-struct because it would immediately break all builds of dependent projects: it would require immediate merging of numerous patches in other repositories, and it would make compiling older code against a newer libosmocore unneccessarily hard. Change-Id: Id2240f7f518494c9df6c8bda52c0d5092f90f221
* core/logging.h: Add logging category for jitter bufferPau Espin Pedrol2018-02-272-1/+7
| | | | | | Forthcoming jitter buffer code in libosmo-netif will make use of it. Change-Id: I2434f9dfa401f736bc62a2ddce920e587cd8c517
* l1sap: Add fields for higher-precision timing offset valuesHarald Welte2018-02-271-2/+8
| | | | | | | | | | | | So far, we used quarter-bits across the L1SAP between the hardware/PHY specific part of OsmoBTS and the common part. In order to increase the resolution, let's add fields/members for 1/256th bit. In order to keep ABI and API compatibility, we use a union around the old and new values, so old code will still compile + work withe new libosmocore. Change-Id: Ibb58113c2819fe2d6d23ecbcfb8b3fce4055025d
* l1sap: Add RSSI, BER and quarter-bit accurate timing to PH-RACH.indHarald Welte2018-02-271-0/+4
| | | | | | | | Let's extend PH-RACH.ind with some useful data across the L1SAP boundary. Change-Id: I9439810c3a3ad89ea0302753617b850749af887c Related: OS#3003
* core: Add timespec helper macros and make timer_compat.h publicPau Espin Pedrol2018-02-272-1/+45
| | | | | | | | | | | 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
* ensure VTY commands don't segfault if an FSM has no event namesStefan Sperling2018-02-261-4/+8
| | | | | | | | If no event names are defined for an FSM, show a placeholder message which points out the problem instead of segfaulting. Change-Id: I87457945a7b76aa052305c9c531722be1ea0c1d1 Related: OS#3007
* print BIG FAT ERROR message if osmo_fsm lacks event namesStefan Sperling2018-02-263-4/+13
| | | | | | | | | | | | Event names are displayed in VTY commands so all FSM should have them. Print an error message if an FSM is registered without event names. We could also return an error code, however at present no caller checks the return value of osmo_fsm_register() so this would be pointless. Add event names to the test FSM and update expected output accordingly. Change-Id: I08b100d62b5c50bf025ef87d31ea39072539cf37 Related: OS#3008
* coding: Add BER-reporting RACH decode functionsHarald Welte2018-02-264-8/+54
| | | | | | | | | | | | For all other decode operations we report the BER, but not for the RACH. This results in osmo-bts-trx not being able to report BER to the higher layers, which is possible on other BTS backends. Let's close this gap by introducing gsm0503_rach_ext_decode_ber() and gsm0503_rach_decode_ber() with the usual n_errors / n_bits_total arguments. Change-Id: I2b1926a37bde860dcfeb0d613eb55a71271928c5
* rate_ctr: Add rate_ctr_inc2() as convenience wrapperHarald Welte2018-02-241-0/+9
| | | | | | | rate_ctr_inc2() is slightly easier to use than the old rate_ctr_inc() variant. Change-Id: Ie00706be201c32ec2981ea38b70354ed85e1aefd
* ensure that osmo_fsm vty commands are only installed onceStefan Sperling2018-02-231-0/+12
| | | | | | | | | | | | | | | | | | | | | | There is a desire to install osmo_fsm vty commands automatically in a library context, rather than requiring every application which directly or indirectly uses osmo_fsm to run osmo_fsm_vty_add_cmd(). However, the function install_element_ve() asserts that elements about to be installed have not already been installed. This means we cannot shift responsibility into a library context without first making sure that osmo_fsm commands are only installed once per combined application+library context, because applications won't know which commands any of its libraries has already installed. A simple solution is to use a global flag which is checked by osmo_fsm_vty_add_cmd() before installing osmo_fsm commands, and is set once the commands have been installed. This way, no harm is done if osmo_fsm_vty_add_cmd() is called multiple times. Change-Id: I10b0b1c1c1bf44c3b8eafc465c1ee06ea2590682 Related: OS#2967
* Revert "Add function to encode classmark"Harald Welte2018-02-223-18/+0
| | | | | | | | | | | This breaks all existing / older osmocom-bb builds, and hence cannot be accpeted. See also https://gerrit.osmocom.org/#/c/6679 Related: OS#2985 This reverts commit 3c38e60cd55814a7b4c34f22e0b2e6e671f883c4. Change-Id: Icfc52ca4e5cbe3a444d98037d27fa101e3614e06
* ports.h: Add VTY and CTRL ports for osmo-trxPau Espin Pedrol2018-02-222-0/+5
| | | | Change-Id: Ib79cdb62d45d8c78445c7b064e58eb7e9faeccf9
* gsm0408_test: also test gsm48_generate_lai() and gsm48_decode_lai()Neels Hofmeyr2018-02-222-0/+53
| | | | Change-Id: Idd6cee090464bc92b654332904a9a08edf16e5c9
* gsm0408_test: RA test: include min/max value casesNeels Hofmeyr2018-02-222-0/+22
| | | | | | (Preparation for adding 3-digit MNC) Change-Id: Ifbc167de0cc039858112677b8d0cd14a2c8af086
* gsm0408_test: include BCD and leading zeros in test outputNeels Hofmeyr2018-02-222-5/+8
| | | | | | (Preparation for adding 3-digit MNC) Change-Id: I7f8ae05fa3e4a6fc004212757b05ca8a14c9ef45
* gsm0408_test: cosmetically re-order MCC to come before MNCNeels Hofmeyr2018-02-202-7/+7
| | | | | | For consistency in human readability, MCC simply should come first, always. Change-Id: Idb86a7088fac4d8a8c41190ab46f9801635f4eee
* cosmetic: gsm0408_test: RA test cases as array-of-structNeels Hofmeyr2018-02-201-8/+12
| | | | | | (Preparation for adding 3-digit MNC) Change-Id: Ic6c645ebf82d5f8d9d51c4c4cc804a0172008156
* contrib/jenkins_arch.sh: Fix script comparison and arm supportDaniel Willmann2018-02-191-3/+3
| | | | Change-Id: Ic53a675963cae328b296b4abaed9524451153271
* fsm: allow graceful exit on FSM terminationPhilipp Maier2018-02-193-2/+16
| | | | | | | | | | | | | | | | The function _osmo_fsm_inst_term() terminates all child FSMs befor it calls fi->fsm_cleanup(). This prevents the cleanup callback to perform last actions on the child FSMs (e.g. osmo_fsm_inst_unlink_parent()). - Since moving the cleanup callack to the beginning of the function would alter the termination behavior and possibly cause malfunction in already existing implementation that use OSMO fsm, a new optional callback that is called immediately at the beginning of the terminatopn process is added. Change-Id: I0fdda9fe994753f975a658c0f3fb3615949cc8bb Closes: OS#2915
* memleak: _gsmtap_raw_output(): free msg in case of vsnprintf failureNeels Hofmeyr2018-02-161-1/+3
| | | | | | Don't just return, free the allocated msg first. Change-Id: I51431ae7baca33ce5bab085cc3efe25f1a10b6d1
* memleak: fix all libosmocore callers of gsmtap_sendmsg() to free on failureNeels Hofmeyr2018-02-162-2/+8
| | | | | | | gsmtap_sendmsg() does not free the msgb if it returns a failure rc, so the callers must check the rc and free the msg. Change-Id: I7cf64ed9b14247298ed8b4ab8735627f8235a499
* memleak: gsmtap_sendmsg(): don't return 0 when no data was writtenNeels Hofmeyr2018-02-161-1/+1
| | | | | | | | | | | | If less than the msgb size was written by write(), we want to return -EIO. Hence do not return zero when write() wrote zero bytes, return -EIO in that case as well. Previously, if write() returned zero, gsmtap_sendmsg() would return zero *without* freeing the msg, hence neither would the (ideal) caller. So this fixes a corner-case memleak. Change-Id: I099ae1c663c018da5db884f7e9d52c45af3ed817
* gsmtap_sendmsg(): clarify API doc concerning msgb ownershipNeels Hofmeyr2018-02-161-0/+3
| | | | | | | | | | | | Not freeing on error does enable callers to try to re-send as well, so it is a kind of useful feature, even though I find it likely for callers to either forget about freeing the msg on error or double-free by accident... I considered changing gsmtap_sendmsg() to always free, but since it is public API, I chose to keep and document its current behavior properly instead. We don't know what callers may exist out there. Change-Id: Id3266ce36442024f16eaf6afa3f516d201930c41
* fsm: Add a function to change the FSM instance ID laterDaniel Willmann2018-02-152-6/+27
| | | | | | | Sometimes we want to create an FSM instance before we know its name. In that case we should be able to update the id later. Change-Id: Ic216e5b11d4440f8e106a297714f4f06c1152945
* Add function to encode classmarkMax2018-02-153-0/+18
| | | | | | The code is based on Osmocom-BB implementation. Change-Id: I78f6968edaa3ed535673411fb2a80060a472290f
* Add generic Mobile Identity encoderMax2018-02-153-14/+19
| | | | | | | | Add generic function which allows caller to set Mobile Identity explicitly. This allows to use IMEI or IMEISV for example. Make gsm48_generate_mid_from_imsi() into wrapper around new function. Change-Id: Id79be7abfff75ecd0d248bbeed93e605abeec9b3
* Add test for gsm48_generate_mid_from_imsi()Max2018-02-152-0/+14
| | | | Change-Id: Ibe5c0831268c788ceecd10fd7b22ece6480da817
* talloc_ctx_vty: Fix help strings (missing \n at end of line)Harald Welte2018-02-141-3/+3
| | | | | | | | | | | | | | | | | | | | | | | This was causing build failures in applications using this library feature: Documentation error (missing docs): <command id='show talloc-context (application|all) (full|brief|DEPTH) tree ADDRESS'> <param name='ADDRESS' doc='(null)' /> Documentation error (missing docs): <command id='show talloc-context (application|all) (full|brief|DEPTH) filter REGEXP'> <param name='REGEXP' doc='(null)' /> Documentation error (missing docs): <command id='show talloc-context (application|all) (full|brief|DEPTH) tree ADDRESS'> <param name='ADDRESS' doc='(null)' /> Documentation error (missing docs): <command id='show talloc-context (application|all) (full|brief|DEPTH) filter REGEXP'> <param name='REGEXP' doc='(null)' /> Change-Id: I785c852e3313d20eade79746a7cd485d2d5908ea
* build: Ensure all .pc files are installedMartin Hauke2018-02-141-1/+1
| | | | Change-Id: I824e63087021adfda81bd0f867a3fdb5e9efcf7a
* gsmtap.h: define TETRA DMO mode channelsallesklar22018-02-141-0/+5
| | | | Change-Id: I98976c0ff16a69b2508a79259ed1aeaec51e7549
* Add helper functions for ACC bit flags in rach control IE.Stefan Sperling2018-02-131-2/+43
| | | | | | | | | | Add inline functions to manipulate and query ACC flag bits in the rach_control.t2 and rach_control.t3 octets. These function definitions also serve as documentation of the purpose of rach_control.t2/t3. Change-Id: I8f0a65c2980f86eb5c43f3bebe727f4d4d973163 Related: OS#2591
* Add GSM 04.08 type-of-number / numbering-plan-id definitionsHarald Welte2018-02-091-0/+22
| | | | Change-Id: Idd8d8a7a1c7f0b6cb9318e4f19ebadb415df2ed1
* debian/control: Fix Vcs-Browser URLHarald Welte2018-02-091-1/+1
| | | | Change-Id: I89bff8fcb8e0b7c0a0e415d4eee1636c21b8f8de
* osmo_msgbdump_{l2,l3}(): Proper typecastHarald Welte2018-02-091-2/+2
| | | | | | | | | | | | This avoids compiler warnings like /tmp/work/sysmobts_v2-poky-linux-gnueabi/osmo-pcu/0.4+gitAUTOINC+4c112dc5a6-r1.18/recipe-sysroot/usr/include/osmocom/core/msgb.h: In function 'const char* msgb_hexdump_l2(const msgb*)': error: invalid conversion from 'void*' to 'const unsigned char*' [-fpermissive] return osmo_hexdump(msgb_l2(msg), msgb_l2len(msg)); which we've been getting in osmo-pcu builds on some platforms. Change-Id: I0ec652a1a569ec1507d8411cf1ef87afabcca799
* Revert "fsm: do not terminate child FSMs early"Harald Welte2018-02-091-4/+3
| | | | | | | | This reverts commit 5ec91980ac2224aa1e9bf070a0e382d0d8c2b729. More or less like I expected, it creates fall-out. osmo-msc master builds are failing, as are the open build service builds. The patch has therefor *not* been sufficiently tested. Change-Id: I8d961d7bbd91b6a8d7691f24cb67720c3d001c7e
* Revert "Use python 3 for utilities"Harald Welte2018-02-093-3/+3
| | | | | | This reverts commit 76c6c50405c6cbb1d08bdd7b5d27c657fa5d38b6, which broke the obs builds. I'm really starting to get annoyed by ongoing python related breakage without ever fixing any bugs! Change-Id: I4d76e897d4f746ff9ea4e06f2efc708a12cc2944
* fsm: do not terminate child FSMs earlyPhilipp Maier2018-02-091-3/+4
| | | | | | | | | | | | The function _osmo_fsm_inst_term() terminates all child FSMs befor it calls fi->fsm_cleanup(). This prevnts the cleanup callback to perform last actions on the child FSMs (e.g. osmo_fsm_inst_unlink_parent()). move the function call to _osmo_fsm_inst_term_children() below the call to fi->fsm->cleanup(). Change-Id: Ie89d435417306c6bf897274eabc3ed0a46485c26
* msgb: Add msgb_hexdump_{l2,l3}() to dump l2 or l3 part of message bufferHarald Welte2018-02-091-0/+14
| | | | Change-Id: I98e85397fb541ee0fd711f2e1852f63f3bb87359
* tlv_parser: Report *first* occurrence of repeated IEsHarald Welte2018-02-091-2/+7
| | | | | | | | | | Most GSM related specifications require the receiver to use the *first* occurrence of repeated IEs. The Osmocom TLV parser so far did the opposite: It reported only the *last* occurrence in case of repeated IEs. Let's change our implementation to be more in-line with relevant specs, such as 3GPP TS 24.008 8.6.3. Change-Id: Icde09e075f68c842a7a96cf7160c8e44b77cf82d
* tests: utils_test: Fix test failure when compiling with -O0Pau Espin Pedrol2018-02-081-0/+1
| | | | | | | | | It seems with default flags in_buf was being memzeroed by the compiler. When compiling with -O0, that's not the case anymore and printf prints after first 16 bytes, printing extra garbage which doesn't match the expected output. Change-Id: I736c1e4d625f647d3bb794fa717256e9dbf36e87
* tests: coding_test: Fix compilation with -O0Pau Espin Pedrol2018-02-081-2/+2
| | | | | | | | | | | | | | | | | inline keyword is a hint for the compiler to inline the function, but it's not mandatory. If no static or extern is specified, the definition is only visible in the current unit but the identifier still has external linkage. When running with -O0 it seems the compiler (gcc 7.2.1) decides to use the external linkage but at the same time it seems it's not generating the function symbol. Fix it by explicitly stating that we want to use static linking for this function. coding/coding_test.o: In function `test_xcch': libosmocore/tests/coding/coding_test.c:86: undefined reference to `dump_ubits' libosmocore/tests/coding/coding_test.c:87: undefined reference to `dump_sbits' Change-Id: I18018adec05ce1c2ddbca38653311d74c7454ce8
* Use python 3 for utilitiesMax2018-02-083-3/+3
| | | | | | | | There're no python2-specific code in there so we can switch right away without waiting till 2020 for python 2 deprecation. Related: OS#2819 Change-Id: I8d34aed124b00c5dd2ab1bcc84bbfa8c620282cc
* vty: fix 'logging print file' outputNeels Hofmeyr2018-02-061-8/+11
| | | | | | | | | | | | | | In If1bd79026a3c680ccf7587d545d12f7759a998fc, an erratic logging output crept in for an earlier patch state and was merged by accident; fix 'logging print file (0|1|basename)' output. Add value string to map LOG_FILENAME_* enum to VTY args, use for both command evaluation as well as printing the vty config. The default is 'logging print file 1', hence we could omit an output when '1' is chosen. But for clarity, always output the current setting. Change-Id: I1c931bff1f1723aa82bead9dfe548e4cc5b685e0
* GSUP: change osmo_gsup_encode() return typeMax2018-02-053-6/+13
| | | | | | | | | | * match return type of osmo_gsup_encode() with osmo_gsup_decode() to allow propagating error to caller * check return value of osmo_gsup_encode() in GSUP test * return errors instead of braking app with aseert Change-Id: Idaa1deecb6d9e15329bd51867b4f6a03357461f0 Related: OS#2864
* utils: add helper wrapper for osmo_strlcpy()Max2018-02-052-4/+6
| | | | | | | | | | Add wrapper for osmo_strlcpy() which uses sizeof() to automatically determine buffer's size and use it for GSMTAP logging. This is pretty common use case for osmo_strlcpy() so it's a good idea to save some typing by using generic define. Related: OS#2864 Change-Id: I03d0d3d32a8d572ad573d03c603e14cdc27a3f7b
* gsm48_hdr_msg_type(): SS is in the same group as MM/CCHarald Welte2018-02-031-1/+1
| | | | Change-Id: I1ddadeacced9650885f454b81f3f0df531ea1e5d
* gsm48_hdr_msg_type[_r99]: Fix bit-masksHarald Welte2018-02-031-2/+2
| | | | | | | | | | TS 24.007 is quite clear: The upper two bits of the message type octet are *not* part of the message type in any of the L3 protocols which implement sequence numbers. it doesn't matter if it's R98 or R99, or whether the sequence number is 1bit or 2bits wide. Related: OS#2908 Change-Id: Iec875a77f5458322dfbef174f5abfc0e8c09d464
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