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2017-08-27timer vty: also print the default value in cmd docNeels Hofmeyr1-13/+13
Rationale: allows seeing all timer defaults at once by doing OsmoBSC(config-net)# timer ? Before, defaults are visible only by doing on each timer: OsmoBSC(config-net)# timer t1234 <tab> Change-Id: I8259234e5c62e058dde56d531071440bbab11462
2017-08-27vty: add 'default' keyword to timer configNeels Hofmeyr1-3/+14
Change-Id: I4e837e8bedfad7ac4fd50048ecb016ddb37c2397
2017-08-27cosmetic: vty for timers: remove obsolete range checkNeels Hofmeyr1-6/+0
The VTY parsing already ensures the parameter range being 1..65535, no need to check the range again. Change-Id: I1cffa5b01cd5c589f1e42998e32135f1da8c960b
2017-08-27remove code disabling T3109 if configured to 0Harald Welte1-4/+0
We no longer permit timers with a 0 value, so this case can never happen. Also, if it should happen, I'd rather have a timter expiring immediately (and breaking something) than not being started in the first place. Change-Id: Ibfcdd3ddc0155caee89c501498329bde247621a0
2017-08-27bsc_vty: Don't allow timers of zero (0)Harald Welte1-2/+2
It typically doesn't make sense to configure any of the GSM RR timer to 0 (Seconds). In fact, accidentially configuring any of the timers to zero might have severe side effects, such as "stuck channels" described in https://osmocom.org/issues/2380 Change-Id: I517828f2f0c80ec01cb63648db2626f17a67fe57
2017-08-27GSM timers: User reasonable defaults; don't save if equal defaultHarald Welte2-13/+25
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
2017-08-27bsc_vty: Add VTY command to test CTRL TRAP featureHarald Welte1-0/+16
Using this new command (introduced in OsmoBSC + OsmoNITB), you can simulate the generation of TRAP events for testin purposes. start the control interface monitor as an example client program: ./openbsc/contrib/bsc_control.py -m -d localhost -p 4249 then start OsmoBSC or OsmoNITB, telnet to the VTY and enter 'enable' mode and issue the following (example) command: ctrl-interface generate-trap my.foo.var 2342 As a result, on the bsc_control.py you will see: Got message: TRAP 0 my.foo.var 2342 Change-Id: Ib1d2ec38290dc94797c1b365d9b733e5215ab7d1
2017-08-27gsm_bts_trx_set_system_infos(): Disable non-existing SIHarald Welte1-6/+17
If we previously had a given SI present/active, we must send a zero-length BCCH FILLING for that SI type to the BTS to stop it from further transmitting this SI. Change-Id: I33e356e2fa3a69efac9080813e3e9ef4e6438ed1 Closes: OS#2368
2017-08-27RSL: Allow disabling of BCCH/SACCH filling for given SI typeHarald Welte1-4/+8
If we want to instruct the BTS to stop sending a given SI, we must be able to send the respective BCCH INFO / SACCH FILLING with a header but without any L3 data IE. This patch enables the related functions to do this whenever their data argument points to NULL. Change-Id: I88b85614951a108574f05db3b706884afe7e87a9
2017-08-27Fix regression causing loss of static system-information messagesHarald Welte1-2/+2
In commit 8b1a2f8cd7a81c6b8c7cdb0963dcf89de7c46100 we started to initialize bts->si_valid to 0. This means we are skipping the manually configured static system information. Instead, we have to initialize bts->si_valid to bts->si_mode_static, i.e. start with those that are static and not to be auto-generated. Found while developing http://git.osmocom.org/osmo-ttcn3-hacks/tree/sysinfo Change-Id: Iab9cc93cf6d54560a72cc393cc3721a8d10e04bf Closes: #2367
2017-08-27check for missing result of rate_ctr_group_alloc()Harald Welte1-0/+4
In case the counter group allocation fails, we must handle this gracefully and fail the allocation of the parent object, too. RelateD: OS#2361 Change-Id: I7dad4a4d52fe05f6b990359841b4408df5990e21
2017-08-27libbsc: Add VTY command to re-send the SYSTEM INFORMATION to BTSHarald Welte1-0/+33
This is useful if you are updating some configuration parameters which affect the content of the SYSTEM INFORMATION messages. Currently, we only send them at the time the RSL connection is established (i.e. when the BTS is initialized), so if you change something, you need to bring down and re-start the BTS. Using the newly-introduced "bts <0-255> resend-system-information" command, you can re-generate + re-send SYSTEM INFORMATION without bringing the BTS down, i.e. without any radio carrier downtime. Change-Id: I326df47de98f6d36c9a4d2d5475225d1e62bafb5
2017-08-27bsc_api: Fix copy+paste error in printing name of RR STATUS PDUHarald Welte1-1/+1
Change-Id: I0ef78ef046e4850346569f750693e12938b50ab5
2017-08-27Fix BTS attribute requestsMax2-3/+10
* fix BTS numbers: use 0 to indicate given BTS and 0xFF to indicate all BTS' as it's explained in 3GPP TS 52.021 ยง9.3. * only request attributes from supported (OsmoBTS) types Change-Id: I8f43055c38000248033a8ff9ddaf0910d68d794b Related: OS#2317
2017-08-27Implement IuCS (large refactoring and addition)Neels Hofmeyr2-6/+6
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
2017-08-27mscsplit: various preparations to separate MSC from BSCNeels Hofmeyr5-93/+41
Disable large parts of the code that depend on BSC presence. The code sections disabled by #if BEFORE_MSCSPLIT shall be modified or dropped in the course of adding the A-interface. Don't set msg->lchan nor msg->dst. Don't use lchan in libmsc. Decouple lac from bts. Prepare entry/exit point for MSC -> BSC and MSC -> RNC communication: Add msc_ifaces.[hc], a_iface.c, with a general msc_tx_dtap() to redirect to different interfaces depending on the actual subscriber connection. While iu_tx() is going to be functional fairly soon, the a_tx() is going to be just a dummy for some time (see comment). Add Iu specific fields in gsm_subscriber_connection: the UE connection pointer and an indicator for the Integrity Protection status on Iu (to be fully implemented in later commits). Add lac member to gsm_subscriber_connection, to allow decoupling from bts->location_area_code. The conn->lac will actually be set in iu.c in an upcoming commit ("add iucs.[hc]"). move to libcommon-cs: gsm48_extract_mi(), gsm48_paging_extract_mi(). libmsc: duplicate gsm0808 / gsm48 functions (towards BSC). In osmo-nitb, libmsc would directly call the functions on the BSC level, not always via the bsc_api. When separating libmsc from libbsc, some functions are missing from the linkage. Hence duplicate these functions to libmsc, add an msc_ prefix for clarity, also add a _tx to gsm0808_cipher_mode(): * add msc_gsm0808_tx_cipher_mode() (dummy/stub) * add msc_gsm48_tx_mm_serv_ack() * add msc_gsm48_tx_mm_serv_rej() Call these from libmsc instead of * gsm0808_cipher_mode() * gsm48_tx_mm_serv_ack() * gsm48_tx_mm_serv_rej() Also add a comment related to msc_gsm0808_tx_cipher_mode() in two places. Remove internal RTP streaming code; OsmoNITB supported that, but for OsmoMSC, this will be done with an external MGCP gateway. Remove LCHAN_MODIFY from internal MNCC state machine. Temporarily disable all paging to be able to link libmsc without libbsc. Skip the paging part of channel_test because the paging is now disabled. Employ fake paging shims in order for msc_vlr_tests to still work. msc_compl_l3(): publish in .h, tweak return value. Use new libmsc enum values for return val, to avoid dependency on libbsc headers. Make callable from other scopes: publish in osmo_msc.h and remove 'static' in osmo_msc.c add gsm_encr to subscr_conn move subscr_request to gsm_subscriber.h subscr_request_channel() -> subscr_request_conn() move to libmsc: osmo_stats_vty_add_cmds() gsm_04_08: remove apply_codec_restrictions() gsm0408_test: use NULL for root ctx move to libbsc: gsm_bts_neighbor() move to libbsc: lchan_next_meas_rep() move vty config for t3212 to network level (periodic lu) remove unneccessary linking from some tests remove handle_abisip_signal() abis_rsl.c: don't use libvlr from libbsc gsm_subscriber_connection: put the LAC here, so that it is available without accessing conn->bts. In bsc_api.c, place this lac in conn for the sake of transition: Iu and A will use this new field to pass the LAC around, but in a completely separate OsmoBSC this is not actually needed. It can be removed again from osmo-bsc.git when the time has come. Siemens MRPCI: completely drop sending the MRPCI messages for now, they shall be added in osmo-bsc once the A-Interface code has settled. See OS#2389. Related: OS#1845 OS#2257 OS#2389 Change-Id: Id3705236350d5f69e447046b0a764bbabc3d493c
2017-08-27SI3: indicate R99+ MSC to GSM MS to enable UMTS AKANeels Hofmeyr1-0/+3
Change-Id: I796e1f4281628061f4522c43c549de9e751bc045
2017-08-27Use libvlr in libmsc (large refactoring)Harald Welte6-28/+37
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
2017-08-27move openbsc/* to repos rootNeels Hofmeyr39-0/+26620
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