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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
2018-05-28doc: add msc charts on Assignment/Handover internalsNeels Hofmeyr3-0/+357
In doc/, add two message sequence charts with lots of implementation specifics, to clarify the current code state. Mark various problems in red notes. This chart and others should help to illustrate future code changes as I go along refactoring handover, lchan allocation and adding inter-BSC handover. Change-Id: I20999e938441d4fed2d37462b262b74a696f616d
2018-05-27remove remaining bits of osmo-bsc_natHarald Welte3-80/+0
osmo-bsc_nat is too heavily tied into legacy SCCPlite code, as it is not using libosmo-sigtran/osmo_ss7 so far. It's also full of customer-specific code and it's shared use of some libbsc code here has been complicating osmo-bsc development. The current plan is to continue to use osmo-bsc_nat from openbsc.git for those legacy users that need it, and not use osmo-bsc_nat in new 3GPP AoIP setups. Should we ever get a strong demand for an AoIP based bsc_nat, we can still revisit this later. Change-Id: Ia05dc76336a64a7f08962843b9a7cc19f2c83387
2018-04-02doc/examples: use NECI = 1 by defaultVadim Yanitskiy2-2/+2
Every setup should run with NECI = 1. NECI = 0 is an ancient legacy setting. Change-Id: I564cac73e610d71df5ab244e04d08dd2c5ff2324
2018-04-02cosmetic: remove dead codePhilipp Maier1-4/+0
There is a lot of dead code in osmo_bsc_msc.c that used to handle the IPA multiplexed SSCP lite A interface. - remove portions of the dead code - remove IPA Ping related VTY commands Change-Id: I5cf3fec31cc774c902f3cfe6d16fb85ef301694a
2018-02-19HO: vty: rename ho decision 1 vty to 'handover1' with 'handover' aliasNeels Hofmeyr2-12/+12
Handover decision 2 arguments are now configured by 'handover2 foo'. To match that scheme, rename the previously 'handover foo' args for handover decision 1 to 'handover1 foo'. For backwards compatibility, still provide aliases of the original VTY commands. Writing back the config will result in 'handover1' though. Change-Id: I7305ae7c04cc70082cd80d42b2ba32ffa399f51a
2018-02-19HO: Implement load based handover, as handover_decision_2.cNeels Hofmeyr2-0/+2
Change-Id: Ie597eae82722baf32546331e443dd9d94f1f25e6
2017-12-19Remove bogus MM INFO configurationHarald Welte3-9/+0
The network name and other MM INFO is controlled by the MSC, not the BSC. Change-Id: I1cbf72fc50cff29e7c1633ba752cbf15b4b84c58
2017-12-19Remove bogus vty config for LU reject causeHarald Welte2-2/+0
The LU reject cause (like anything MM related) is under control of OsmoMSC, not BSC. Change-Id: I559ae31d67726845c9699c8b6127e21c6f63ace6
2017-12-19Remove unused RRLP options/codecHarald Welte2-2/+0
RRLP is handled in OsmoMSC after the split from NITB, so let's remove any bogus VTY commands left over in the BSC. Change-Id: Ib626f43a3a3ca69dfc127afe5832eb58f7fb6a38
2017-11-30auth: remove obsolete VTY commandsPhilipp Maier2-2/+0
authentication (optional|required) is no longer needed, the related decisions are now made in the HLR. Change-Id: Ib6c6331cc86004c4862067031e4fcb12a6975b63
2017-11-29examples: add osmo-bsc-minimal.cfgNeels Hofmeyr1-0/+36
An upcoming VTY test requires a cfg that doesn't have handover values set. Prepare for that by adding a minimal BSC config. It is a version further stripped down from the Osmocom Network In The Box wiki page. Prepares-for: I00870a5828703cf397776668d3301c0c3a4e033a Change-Id: Ib68b550a0e9fbb7041e554f358054c0a7931404e
2017-11-29auth: remove obsolete VTY commandsPhilipp Maier2-4/+0
Authentication is no longer done in the BSC, the variables that set the authentication policy and the IMSI regex have no longer any effect. Remove auth policy and authorized-regexp Change-Id: Ie31b921b5fd0af5501ec0c77c0f08089c10075e2
2017-11-20doc: add example configuration for osmo-mgwPhilipp Maier1-0/+3
osmo-bsc now uses osmo-mgw to switch the RTP streams, but there is no example configuration yet. Add the missing example configuration. Change-Id: I4d4ed401bee6c3dfdec2b584bf7248ffb02bddbf
2017-09-15doc/examples: tweak osmo-bsc.cfg, add osmo-bsc_custom-sccp.cfgNeels Hofmeyr2-28/+127
Now osmo-bsc.cfg's SCCP addresses work by internal defaults, while osmo-bsc_custom-sccp.cfg shows how to use custom STP IP address and SCCP point codes. Change-Id: Icb41d5adc24b2ee5613be691a201df8f3566e5dd
2017-09-06drop files unrelated to osmo-bscNeels Hofmeyr16-674/+0
These either remain from openbsc.git or slipped in while applying recent patches from openbsc.git and do not belong in osmo-bsc. Empty out contrib: remove things that are either obviously unrelated to osmo-bsc, or seem old and/or esoteric. osmoappdesc.py: drop nitb_e1_configs (and some ws) Change-Id: Ib20064f35e623d99c7d59496a3156e84b8a0d07a
2017-08-30MSC,SGSN: use OSMO_GSUP_PORT == 4222 instead of 2222Neels Hofmeyr1-1/+1
In SGSN, actually place the port in the SGSN config by default, so that the gsup port may now be omitted in the VTY config (the IP address suffices). Adjust the osmo-sgsn.cfg example. Depends: I4222e21686c823985be8ff1f16b1182be8ad6175 (libosmocore) Change-Id: I50f2040e2eb0baacb43849e93cfed10cbc2fc156
2017-08-30Implement AoIP, port to M3UA SIGTRAN (large addition and refactoring)Philipp Maier1-0/+8
This was originally a long series of commits converging to the final result seen in this patch. It does not make much sense to review the smaller steps' trial and error, we need to review this entire change as a whole. Implement AoIP in osmo-msc and osmo-bsc. Change over to the new libosmo-sigtran API with support for proper SCCP/M3UA/SCTP stacking, as mandated by 3GPP specifications for the IuCS and IuPS interfaces. From here on, a separate osmo-stp process is required for SCCP routing between OsmoBSC / OsmoHNBGW <-> OsmoMSC / OsmoSGSN jenkins.sh: build from libosmo-sccp and osmo-iuh master branches now for new M3UA SIGTRAN. Patch-by: pmaier, nhofmeyr, laforge Change-Id: I5ae4e05ee7c57cad341ea5e86af37c1f6b0ffa77
2017-08-27GSM timers: User reasonable defaults; don't save if equal defaultHarald Welte1-12/+0
A number of the GSM timers (including T3109) had no reasonable default values if not specified in the VTY / config file. Together with unconditional writing to the config file, this created config files with a persistent setting for important timers as '0'. To make things worse, many of our example cofig files suffered from the same problem. Let's avoid this from happening by * having reasonable defaults if nothing specified in the config file * conditionally savingg timers only if they differ from default * reject any timer values that state zero during start-up (see previous commit) Change-Id: Iaac0bfca423852b61d8b9eb1438157ef00d0d8c8 Closes: OS#2380
2017-08-27examples/sgsn: Use osmo-hlr with auth-policy remote by defaultDaniel Willmann2-0/+30
For the vty tests, add osmo-sgsn-accept-all.cfg (that does not need an HLR) and use in vty_test_runner.py, otherwise the 'show sgsn' command will reply that it could not connect to the HLR, failing the vty test which expects empty. Change-Id: Ie3b2013198d3e2b780a4e31c36b89b58129dcacd
2017-08-27examples: Change IP address of config filesDaniel Willmann3-5/+5
This helps in providing 3G software packages for the sysmoNITB hardware, which uses 10.23.24.1 for SGSN and 10.23.24.2 for GGSN. However, in order to not break the python tests, the osmo-sgsn.cfg example still uses 127.0.0.1 as local address. Change the GGSN address to 127.0.0.2, because SGSN and GGSN cannot co-exist on the same address (the GTP port number is fixed by spec: no IE to communicate a differing port, so it has to be the standard GTP port for both). Change-Id: Ie3a25f6771ed6e620cb2b315638c622a9a24e530
2017-08-27Implement IuCS (large refactoring and addition)Neels Hofmeyr11-1045/+23
osmo-nitb becomes osmo-msc add DIUCS debug log constant add iucs.[hc] add msc vty, remove nitb vty add libiudummy, to avoid linking Iu deps in tests Use new msc_tx_dtap() instead of gsm0808_submit_dtap() libmgcp: add mgcpgw client API bridge calls via mgcpgw Enable MSC specific CTRL commands, bsc_base_ctrl_cmds_install() still needs to be split up. Change-Id: I5b5b6a9678b458affa86800afb1ec726e66eed88
2017-08-27Use libvlr in libmsc (large refactoring)Harald Welte2-2/+0
Original libvlr code is by Harald Welte <laforge@gnumonks.org>, polished and tweaked by Neels Hofmeyr <nhofmeyr@sysmocom.de>. This is a long series of trial-and-error development collapsed in one patch. This may be split in smaller commits if reviewers prefer that. If we can keep it as one, we have saved ourselves the additional separation work. SMS: The SQL based lookup of SMS for attached subscribers no longer works since the SQL database no longer has the subscriber data. Replace with a round-robin on the SMS recipient MSISDNs paired with a VLR subscriber RAM lookup whether the subscriber is currently attached. If there are many SMS for not-attached subscribers in the SMS database, this will become inefficient: a DB hit returns a pending SMS, the RAM lookup will reveal that the subscriber is not attached, after which the DB is hit for the next SMS. It would become more efficient e.g. by having an MSISDN based hash list for the VLR subscribers and by marking non-attached SMS recipients in the SMS database so that they can be excluded with the SQL query already. There is a sanity limit to do at most 100 db hits per attempt to find a pending SMS. So if there are more than 100 stored SMS waiting for their recipients to actually attach to the MSC, it may take more than one SMS queue trigger to deliver SMS for subscribers that are actually attached. This is not very beautiful, but is merely intended to carry us over to a time when we have a proper separate SMSC entity. Introduce gsm_subscriber_connection ref-counting in libmsc. Remove/Disable VTY and CTRL commands to create subscribers, which is now a task of the OsmoHLR. Adjust the python tests accordingly. Remove VTY cmd subscriber-keep-in-ram. Use OSMO_GSUP_PORT = 4222 instead of 2222. See I4222e21686c823985be8ff1f16b1182be8ad6175. So far use the LAC from conn->bts, will be replaced by conn->lac in Id3705236350d5f69e447046b0a764bbabc3d493c. Related: OS#1592 OS#1974 Change-Id: I639544a6cdda77a3aafc4e3446a55393f60e4050
2017-08-27fix make distcheck with python testsNeels Hofmeyr2-1/+1
- bscs.config needed by the vty tests was not picked up as a dist file, because its suffix is not 'cfg'. Rename to *.cfg. Apply this rename in vty_test_runner.py and osmo-bsc_nat.cfg. - Remove restart counters after external tests, otherwise distcheck complains about uncleaned files. - Add contrib/ipa.py to EXTRA_DIST, hence add a Makefile.am to contrib/. Otherwise the python tests cannot find that dependency. Change-Id: I42b55cb1125099afc3a8e3f87c0e398426b2e2a9
2017-08-27move openbsc/* to repos rootNeels Hofmeyr32-0/+2170
This is the first step in creating this repository from the legacy openbsc.git. Like all other Osmocom repositories, keep the autoconf and automake files in the repository root. openbsc.git has been the sole exception, which ends now. Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7
2009-06-10move openbsc into its own subdirectoryHarald Welte3-228/+0
2009-02-17add bits and pieces of documentationHarald Welte3-0/+228
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