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2018-07-11cosmetic: name osmo-bsc's root ctx 'osmo-bsc', not 'openbsc'Neels Hofmeyr1-1/+1
Change-Id: Ie038bbed436069e7849ba78c3c77c80a68bc3dad
2018-06-28filter: Allocate each ctr group with a different idxPau Espin Pedrol1-2/+18
Fixes following runtime warning: libosmocore/src/rate_ctr.c:219 counter group 'nat:filter' already exists for index 0, instead using index 1. This is a software bug that needs fixing. Forward-port from openbsc.git c08d58802e03a45f95b8f7d28b29dc7026f664ba. Change-Id: I7c5054c374281bb1d4bd1ecd76ddcca7a010d50a
2018-06-28filter: Replace '.' in counter names with ':'Pau Espin Pedrol1-3/+3
The '.' is illegal character in counter names, as they are exported via CTRL interface, where '.' has a special meaning that cannot be used by strings comprising the variable name. Forward-port from openbsc.git 360284d4d797519faed33559b0ae746b6c17e68a. Change-Id: I57b78162701a6a101b5cbaf68aaea89d17a0f819
2018-06-28filter: vty: Print policy list in cmd show access-listPau Espin Pedrol1-16/+17
Change-Id: I3761819fb29f6fe49995ce4c1ae0e9bf92f993cd
2018-06-28Rename bsc_msg_acc_lst_vty_init to have more uniform prefixPau Espin Pedrol3-3/+3
Change-Id: I6f125d040a8f511590ef67ba8babbd2e01c6bf21
2018-06-28Init access_lists before passing it as a parameterPau Espin Pedrol1-3/+1
Previous state is harmless because the pointer is stored but not used in that function. However, it's more clear this way. Change-Id: I048ebc120306ea30ea973d6ee16ed84c9f341183
2018-06-28bsc_vty: Write access list entries when storing bsc configPau Espin Pedrol3-2/+12
Change-Id: Ice8ce203a52b918e1eddb56ea437d082efd634bc
2018-06-28bsc-filter: Remove unused func barr_adapt and set barr_find staticPau Espin Pedrol2-68/+1
bar_find is set as static because it's still being used internally by other functions. Change-Id: I2db8f0ba60cf01929ce2c63edd9859612724de48
2018-06-26lcls: set codec info when performing MGW operationPhilipp Maier3-6/+10
While GSCON is setting the codec info when operating on the MGW, LCLS is not doing that yet. This means that the MDCX messages that are sent by LCLS do not contain any payload type and also no ptime or rtpmap fields. This also causes the following TTCN3 tests to fail: TC_lcls_connect_break TC_lcls_connect_clear TC_lcls_gcr_bway_connect TC_lcls_gcr_bway_dont_connect_csc - Make mgcp_pick_codec() public as bsc_subscr_pick_codec() - use bsc_subscr_pick_codec() to set codec info in osmo_bsc_lcls.c Change-Id: I383d55fa602cda0926dd701ee517a299db578260 Closes: OS#3358
2018-06-25gscon: pick suitable payload type / encoding name for MGCPPhilipp Maier1-0/+34
The GSCON FSM does not care about the codec information when performing interactions with the MGW. Before upgrading the client the codec information was hardcoded to AMR inside the client. Now the client offers APIs to set the codec information. Since this feature is new, osmo-bsc does not set any codec information yet, which causes many of the TTCN3 tests to fail. So lets add some logic to pick suitable codec info. - Hardcode ptime to 20 (is the same for all possible codecs) - Select a codec according to the flags in userplane Change-Id: Ibddc3492572b39f166e3a1b8b8120813ce2dadc2 Related: OS#2728
2018-06-25debian: Move meas related binaries into new package osmo-bsc-meas-utilsPau Espin Pedrol2-0/+7
Only meas_json is added so far, since the other related ones are conditionally built. Change-Id: I35ba3c19fcdfb5663691a67c9876537765963c5d
2018-06-18cosmetic / linking: move str_to_imsi() out of abis_rsl.cNeels Hofmeyr6-11/+14
Move to gsm_04_08_utils.c so that it's possible to use it without linking/stubbing all of RSL. Change-Id: I6e90831d7e618ce3c8e7417082a82c97f6681668
2018-06-15fix dyn TS init: properly identify BTS on OML OPSTART ACKNeels Hofmeyr4-27/+37
Commit "dyn ts, bts_ipaccess_nanobts.c: init PDCH on Chan OPSTART ACK" bf7099262adf0f27e71a08387747c5cb0d459360 Icf6e25ff068e8a2600562d52726ead65e864ec02 introduced signal S_NM_OPSTART_ACK and passed the FOM header to identify the BTS by. But the FOM header's BTS number is zero on each Abis/IP link, and the BTS and TRX are actually identified by msgb->dst == e1inp_sign_link, member trx. So the initial implementation associated *all* Channel OPSTART ACKs with BTS 0. Pass the entire msgb as S_NM_OPSTART_ACK signal argument, implement a abis_nm_get_ts() to retrieve the proper timeslot and use that during timeslot init. Related: OS#3351 OS#3205 Change-Id: I45ce5c24cb62d00f350df1af1be6c11104d74193
2018-06-15osmo-bsc: Add -V param to print versionPau Espin Pedrol1-1/+8
Change-Id: I74e0e40ee6b2ce66d76f151528d9a958683944c7
2018-06-15osmo-bsc: Clean help description of cmd line parametersPau Espin Pedrol1-10/+10
Change-Id: I2ce242e97445785c3f1d965d89e3f1b6ca6a37ab
2018-06-15pcu_sock: Log event pcu_sock createdPau Espin Pedrol1-0/+2
Change-Id: If5691d8e8bae7166e06382db589850ce94c20a30
2018-06-14absi_rsl: Fix segfault in rsl_rx_conn_fail()Harald Welte1-1/+2
When we receive a RSL CONN FAIL IND, it may be that this happens before any RLL is established (and hence a lchan->conn exists), or after the RLLs have been shut down (and hence a lchan->conn doesn't exist anymore). So in this function, it is not legal to unconditionally dereference lchan->conn. Change-Id: I6380f5d2cd9364560ce3947517c84247cf4af0d4 Closes: OS#3182
2018-06-11bsc_subscr_conn_fsm: BSC must not release SCCP connectionHarald Welte1-1/+3
3GPP TS 48.006 section 9.2 states clearly that any SCCP connection release must be initiated by the MSC. for bsc_subscr_conn_fsm, this means that even after sending the BSSMAP CLEAR COMPLETE, we must not terminate the FSM, as this would cause a N-DISCONNET.req to be sent to the stack for the associated SCCP connection. The bsc_subscr_conn_fsm instances will hence stay alive until the MSC eventually decises to release them. Change-Id: Iaaca220b598609b77b600fcfc2f9a78b221c1fbb Closes: OS#3331
2018-06-11Add missing event string name for GSCON_EV_LCLS_FAILHarald Welte1-0/+1
Change-Id: Ia8c8303a87412ce6456c38ae29e3c55de9522ac0
2018-06-10remove traces of osmo-bsc_nat in python test (osmoappdesc/test_runner)Harald Welte2-82/+2
Change-Id: I9127ddb7b29eb82defd3a8afac9c1dbfd424fb72
2018-06-09Remove unused logging subsystems DCC and DMGCPHarald Welte2-14/+4
We use the newly-introduced logging_vty_add_deprecated_subsys() from libosmovty to make sure old config files will still parse even after this change. Change-Id: Ib4f67bb00e1d5460e643717b53f6a4d81278dc5d
2018-06-08Explicitly register CTRL-over-IPA callback with libosmo-sigtranHarald Welte1-1/+5
In Change-Id OSI6b7354f3b23a26bb4eab12213ca3d3b614c8154f we introduced a function called osmo_ss7_asp_rx_unknown() which was supposed ot override a weak symbol in libosmo-sigtran. However, the related change in libosmo-sigtran (I8616f914192000df0ec6547ff4ada80e0f9042a2) was modified later on to use explicit registration of a call-back function instead of weak symbol override. Let's adopt the osmo-bsc code to make use of this explict call-back registration. Change-Id: Id5880ec90dfa00b29cbb0ffea8c8dd50e24742bd Related: OS#2012
2018-06-08Ignore "dest" command in MSC nodeHarald Welte1-0/+12
In Change-Id I6b7354f3b23a26bb4eab12213ca3d3b614c8154f we removed the "dest" vty command, but we should simply ignore it and print a related warning during start. Change-Id: I531825061031918bbb1380e1b485b711e81bcd75
2018-06-08make T10 configurable like the rest of themNeels Hofmeyr4-6/+9
Change-Id: I112c0db17d355d57eb08bc67121ccf49fbf53943
2018-06-08drop dead code: conn->T10, handled by gscon insteadNeels Hofmeyr2-10/+0
Change-Id: Ief20cb0f46dd93f46dd765dca307724dc2b3487c
2018-06-08HO: introduce T7, T8, T101 timersNeels Hofmeyr3-1/+20
Will be used in upcoming inter-BSC handover. Change-Id: If9ecccc793426d214019f299b19d6ffa5a186546
2018-06-08cosmetic: gscon: drop odd use of OSMO_STRINGIFYNeels Hofmeyr1-14/+14
Do not invoke OSMO_STRINGIFY() with arbitrary names, just quote instead. The idea was that OSMO_STRINGIFY() avoids typos by ensuring well-defined names are stringified, but this highlights that OSMO_STRINGIFY() is in fact usable with completely arbitrary arguments and actually lacks the validation part :/ Change-Id: I458cd2cd0d6ddb0e6db3bb8d546a20336ae8c5f1
2018-06-08doc: charts: illustrate new plan for ts and lchansNeels Hofmeyr12-465/+1097
Add lchan and timeslot FSM charts to illustrate planning of how osmo-bsc should handle lchan assignment and release. Modify assignment, handover, lchan-release charts according to the new plan. Change-Id: I18d60de5ee932c962aad0a532965a55d570bb936
2018-06-08doc: add ms-channel-request.mscNeels Hofmeyr2-0/+64
Change-Id: Iab22b8ae85a1a54d2f4002733e6068356368101b
2018-06-08doc: add lchan-release.mscNeels Hofmeyr2-0/+150
Change-Id: Ibcf2326cbc5a5f3f249ae15564825c83b5a063c8
2018-06-08doc: tweak msc charts on Assignment/Handover: act_timerNeels Hofmeyr2-2/+17
Change-Id: I6205e43c227652432548c5c99bed5a197c095da2
2018-06-08cosmetic: handover_test: add IMSI to subscr for loggingNeels Hofmeyr1-1/+11
Change-Id: I52fa8f3183c93ed362d8252d20daf00c60a117c8
2018-06-08store subscriber identity on pagingNeels Hofmeyr1-0/+1
Another small step towards being aware of the subscriber identity. Any connection initiated by paging will subsequently log the subscriber's identity -- of course not necessarily the IMSI, if paging was done by TMSI. This is only for Paging, not the Paging Response; for that see, L3 Complete. Related: OS#2969 Change-Id: I0ab7bedfe693bb4e42a04fb0585b94a730ff2d9b
2018-06-08try to pick up subsrc IMSI on l3-complNeels Hofmeyr1-1/+16
This is a tiny step towards being aware of a connection's subscriber identity. Iff the Layer 3 Complete message contains an IMSI, associate a bsc_subscr with the conn, so that subsequent logging and possibly meas_feed contains the IMSI. For any L3 Complete using TMSI, this has no effect whatsoever. Related: OS#2969 Change-Id: I3b696a0c0932e3abcb682ba231db65755d8c27a6
2018-06-08gscon: put subscriber a little laterNeels Hofmeyr1-6/+6
Keep the bsc_subscr associated with the conn as long as possible, to benefit logging, which then contains the subscriber identity (if any). Change-Id: Ifa528b58842a02509bfe0af6915c64bd67058bcd
2018-06-08cosmetic: bsc_subscr_alloc: log initial getNeels Hofmeyr2-3/+5
Instead of silently setting the use count to 1, instead increment with an explicit bsc_subsct_get(), which then logs the event along with the place that created the subscriber. Change-Id: Ia72f8010b7b2e1ca44e3b005c0f2c05f3eeae8d5
2018-06-08cosmetic: penalty timers: constify, tweak docNeels Hofmeyr2-10/+15
Change-Id: I28addc9a16a4c81978290303d368f630a8334228
2018-06-08use libosmocore's gsm0808_permitted_speech(), gsm0808_chosen_channel()Neels Hofmeyr1-84/+7
The guts of bssap_speech_from_lchan() and lchan_to_chosen_channel() have been moved to libosmocore; call those instead. The return value of bssap_speech_from_lchan() used to be -1 on error, now the error value is 0. The only caller did not handle -1 properly, but fed it directly to a uint8_t. On gsm0808_chosen_channel() error, log the error. Proper handling is missing. Fixing the error handling in send_ass_compl() is a separate issue: currently it is limited to logging, there is no way to return an error yet, nor any actions to take on error. Depends: Icca23940791f97fa64dbc3f2734270b99f9550c1 (libosmocore) Change-Id: Ib5c940a9dae11c5e26d4b47fa9d95fef889ad2f6
2018-06-08log: assignment: add two logs on unexpected lchan releaseNeels Hofmeyr1-0/+3
Change-Id: Ib61125ebc41e55dc4a6595db8c8559c62b3ed2c0
2018-06-08log: fix logging in rsl_rx_chan_act_nack()Neels Hofmeyr1-6/+9
In each code path within rsl_rx_chan_act_nack(), do separate logging of the NACK to ensure proper termination of each log line. When receiving a Chan Act NACK, we possibly mixed a LOGP() within an unterminated other LOGP() that had not been ended with a LOGPC() yet. Change-Id: Icd2772b21ef3a2ff5af11b7c92dff0ecb4d87ff0
2018-06-08assignment: signal assignment failure on chan act nackNeels Hofmeyr2-3/+5
When the BTS responds with a Chan Act NACK, i.e. the lchan could not be activated, immediately signal Assignment Failure to the MSC (in handle_chan_nack()). In handle_chan_nack(), adjust log: instead of waiting for timeout, we now signal Assignment Failure. Drop misleading logging from bsc_assign_fail(): instead of transmitting the Assignment Failure message, it actually signals an FSM event. Leave logging of that to the FSM logging. Change-Id: Ib204b4a5272f9b7b60ca5f932cd8a4c857316270
2018-06-07cosmetic: gscon: undup code: add common assignment_failed()Neels Hofmeyr1-36/+33
Call one common function to signal Assignment Failure and transition back to ST_ACTIVE. Change-Id: I1ce10a3ead286cdb6ad529fc293b6cecd151cc9a
2018-06-07cosmetic: magic number: use RSL_ACT_ constant for chan actNeels Hofmeyr1-1/+1
Change-Id: I64ac2a17634f18322828ee2aa2284b0513130488
2018-06-07remove struct bsc_apiNeels Hofmeyr7-198/+86
struct bsc_api was used to provide an abstract API for both osmo-bsc and osmo-msc, between BSC and MSC. That's no longer needed, so get rid of it, to prevent code turbulences it creates for no reason. Change-Id: I3fd5888c63a0b4f95520a498320aa105a6d60579
2018-06-07dissolve libbsc: move all to src/osmo-bsc, link .o filesNeels Hofmeyr75-843/+997
Move all of libbsc/ into osmo-bsc/, and separate/move some implementations to allow linking from utils/* and ipaccess/* without pulling in unccessary dependencies. Some utilities use gsm_network and gsm_bts structs, which already include data structures for fairly advanced uses. Move initialization that only osmo-bsc needs into new bsc_network_init() and bsc_bts_alloc_register() functions, so that the leaner tools can use the old gsm_* versions without the need to link everything (e.g. handover and lchan alloc code). In some instances, there need to be stubs if to cut off linking "just before the RSL level" and prevent dependencies from creeping in. - abis_rsl_rcvmsg(): the only program currently interpreting RSL messages is osmo-bsc, the utils are merely concerned with OML, if at all. - paging_flush_bts(): ip.access nanobts models call this when the RSL link is dropped. Only osmo-bsc actually needs to do anything there. - on_gsm_ts_init(): the mechanism to trigger timeslot initialization is related to OML, while this action to take on init would pull in RSL dependencies. utils/ and ipaccess/ each have a stubs.c file to implement these stubs. Tests implement stubs inline where required. From src/utils/, src/ipaccess/ and tests/*/, link in .o files from osmo-bsc/. In order for this to work, the osmo-bsc subdir must be built before the other source trees. (An alternative would be to include the .c files as sources, but that would re-compile them in every source tree. Not a large burden really, but unless linking .o files gives problems, let's have the quicker build.) Minor obvious cleanups creep in with this patch, I will not bother to name them individually now unless code review asks me to. Rationale: 1) libbsc has been separate to use it for osmo-nitb and osmo-bsc in the old openbsc.git. This is no longer required, and spreading over libbsc and osmo-bsc is distracting. 2) Recently, ridiculous linking requirements have made adding new functions cumbersome, because libbsc has started depending on osmo-bsc/*.c implementations: on gscon FSM and bssap functions. For example, neither bs11_config nor ipaccess-config nor bts_test need handover_cfg or BSSMAP message composition. It makes no sense to link the entire osmo-bsc to it, nor do we want to keep adding stubs to each linking realm. Change-Id: I36a586726f5818121abe54d25654819fc451d3bf
2018-06-07bsc_test: drop "scan to MSC" code pathNeels Hofmeyr1-7/+0
The TEST_SCAN_TO_MSC is completely unused, but still the code linked bsc_scan_bts_msg() for the unused code path. This is unlikely to ever be expanded. Remove TEST_SCAN_TO_MSC and reduce linking requirements. (I am this close to dropping the test entirely to avoid continuous linking annoyance, but ok, since nothing else tests timezones AFAIK, keeping it.) Change-Id: I27521950432e412f919cde811c9473557d0ec25e
2018-06-07tests: remove channel_testNeels Hofmeyr6-165/+0
Rationale: channel_test is trivial and useless, probably only exists as a legacy from openbsc.git. - it tests two printf()s of "(bts=45,trx=0,ts=3,ss=4)", hardly useful. - it tests ts_subslots() behavior for dyn ts, which will soon be replaced by a most trivial mapping that does no longer need complex dyn ts state evaluation (when introducing the new timeslot FSM to handle dyn TS switchover). Change-Id: Ib2232da8e7fa964b92492d7b778320401dc97703
2018-06-07tests: remove bssap_testNeels Hofmeyr7-247/+0
Rationale: - All it does is compose four Paging Requests and feed it into the osmo-bsc bssap_udt, and expects the cell identifier to be decoded properly. - To do so it employs a comparatively huge linking effort. This linking effort is becoming annoying in my ongoing work and is just not worth it. - We have comprehensive cell identifier tests in ttcn3, verifying that the proper cells are paged, and that actually for *all* cell identifier types. Change-Id: I07cf23b66de36cfa1142a11b9f85e9c0190ee314
2018-06-07increment 'paging responded' counter for active paging onlyStefan Sperling1-8/+12
Only count paging responses which can be mapped to an active paging. Unsolicited paging responses which do not correspond to an active paging would increment the 'paging response' counter. This means the number of paging attempts could be smaller than the number of paging responses, which can look confusing in the 'show statistics' VTY command. Change-Id: I7cfc7c29fb7570d41e3ac23cca17f5b98b303506 Related: OS#66
2018-06-05Reject ASSIGNMENT REQ with CIC but no AoIP transp addr in AoIP caseHarald Welte1-8/+25
If we receive a BSSMAP ASSIGNMENT REQ for a speech channel containing only a CIC but no AoIP transport layer address, then that's illegal and must be rejected. In Change-Id If362a0084de452727cd063063dfb645eca2f9beb we re-introduced accepting CIC-only ASSIGNMENT REQ, but we failed to verify that this actually only happens over a SCCPlite A interface. This fixes the BSC_Tests.TC_assignment_cic_only testcase. Change-Id: Ia6e3897edca48b9f838ea69939d9b8be7185abf8
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