openbsc.git branch aoip updated. 0.15.0-862-g51d2a3354

gitosis at osmocom.org gitosis at osmocom.org
Mon Jun 19 00:31:39 UTC 2017


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http://cgit.osmocom.org/openbsc/commit/?id=51d2a33542064e8605302a22214f57f7886c703e

commit 51d2a33542064e8605302a22214f57f7886c703e
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 19:09:43 2017 +0200

    osmo-bsc: react on reset requests from MSC
    
    The bsc side currently can not receive reset commands from an
    MSC. This patch adds required functionality to receive a reset
    command and acknowlege it properly. The effects are the same
    as with when sending resets (all drop all ongoing calls and
    sccp connections)

http://cgit.osmocom.org/openbsc/commit/?id=738cc1106c0273a918350f495a6a746d06fc2e2a

commit 738cc1106c0273a918350f495a6a746d06fc2e2a
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 17:40:01 2017 +0200

    libcommon-cs: genralize a interface reset fsm
    
    The AoIP standard also describes an MSC->BSC reset procedure. We
    currently do not implement it. However, the fsm that is used to
    issue the reset request from the bsc side is not generalized. This
    patch generalizes the code in order to be able to use the same
    code on the MSC side to perform a reset procedure from there.

http://cgit.osmocom.org/openbsc/commit/?id=2abf6b020090788b03d0d1d9207acd62d6a6abcb

commit 2abf6b020090788b03d0d1d9207acd62d6a6abcb
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 15:58:28 2017 +0200

    fixup: remove unused counter
    
    Forgot to remove the counter struct osmo_timer_list msc_reset_timer;
    Needs to be fixuped into the reset handling patches

http://cgit.osmocom.org/openbsc/commit/?id=5cb12d0a2c75aa9624a1a95f3f98d7ad39ac05f8

commit 5cb12d0a2c75aa9624a1a95f3f98d7ad39ac05f8
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 14:06:18 2017 +0200

    sccp-lite: remove old sccp-lite code
    
    in osmo_bsc_sccp.c all code is commented out. There is no point
    in keeping the file. This commit deletes it.

http://cgit.osmocom.org/openbsc/commit/?id=151feb99c3cd3bb1146e7b5a03e44f4bf2b05512

commit 151feb99c3cd3bb1146e7b5a03e44f4bf2b05512
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 13:49:07 2017 +0200

    osmo-bsc: Send USSD notification when an MSC loss is detected
    
    the old sccp-lite based imlementation offered support for sending
    an USSD notification as soon as a loss of the MSC connection is
    detected. This is done before forcefully dropping the affected
    connection.
    
    This commit ports the feature to the new libosmo-sigtran
    implementation.
    
    NOTE: I do not know if this works and I also do not really
    understand how this is even possible. Sending an USSD notification
    would rquire the subscriber to be properly attached? When the MSC
    is lost this almost not possible since no backend to authenticate
    against is available.

http://cgit.osmocom.org/openbsc/commit/?id=b64c23440e3f41c47269a3dc58ddddd765f38c84

commit b64c23440e3f41c47269a3dc58ddddd765f38c84
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 13:22:59 2017 +0200

    cosmetic: make function names in a_iface_bssap more expressive.
    
    The function names in a_iface_bssap.c are not very expressive.
    The problem not only exists on the API side, but also for static
    functions. This patch replaces the function names with more
    expressive names.

http://cgit.osmocom.org/openbsc/commit/?id=0f82438059169006c883ee126cc2957b844f0c19

commit 0f82438059169006c883ee126cc2957b844f0c19
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 12:52:35 2017 +0200

    cosmetic: more expressive function names in a_iface
    
    The function names if the API function in a_iface.c are not
    very expressive. Besides of that, the prototypes are in the
    wrong header file. This commit gives the function more
    expressive names and moves the prototypes in the right header
    file.

http://cgit.osmocom.org/openbsc/commit/?id=7d98e0058c2fadab7fc139000a5987e1b95cfe56

commit 7d98e0058c2fadab7fc139000a5987e1b95cfe56
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 12:34:26 2017 +0200

    fixup: return with value in void function

http://cgit.osmocom.org/openbsc/commit/?id=39f3b1109d4b3463b44ac7b3401a03a16166edba

commit 39f3b1109d4b3463b44ac7b3401a03a16166edba
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 12:26:31 2017 +0200

    mgcp: make bts base port configurable
    
    Currently the rtp base port of the BTS is hardcoded (4000) and not
    configurable. This patch adds VTY configuration options to make
    it adjustable.

http://cgit.osmocom.org/openbsc/commit/?id=778e14a51e28294e2e4f4c869c01ec177713c263

commit 778e14a51e28294e2e4f4c869c01ec177713c263
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 11:43:44 2017 +0200

    Revert "mgcp: make sure all endpoints are closed on startup"
    
    Clearing all endpoints by sending a DLCX on startup has ben found
    to be a bit too offensive. It also will not help against
    inconsitancies that may occour during runtime (e.g. an overheard
    DLCX during regular call teardown).
    
    This reverts commit b669ea94cb78fd9b56ee8dd9392538151349f8ba.

http://cgit.osmocom.org/openbsc/commit/?id=7a36bbad99e4cdbd5c081a5db62663aca3aee191

commit 7a36bbad99e4cdbd5c081a5db62663aca3aee191
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon Jun 12 11:39:41 2017 +0200

    mgcp: Make sure endpoint is free on CRCX
    
    The MSC is aware of the assigned endpoints at all times, so it
    will not assign an occupied endpoint to someone else. However,
    if it has just restarted, there maybe lingering open endpoints.
    
    This patch introduces a fairly simple soultion. Before a new
    endpoint is seized (CRCX), a DLCX is send in advance. If the
    endpoint was still occupied with a dead connection, it will
    be freed. If it was free anyway, the DLCX will just have no
    effect.

http://cgit.osmocom.org/openbsc/commit/?id=41c0e21364974d4dca2a28c3c70dec76a1c9269e

commit 41c0e21364974d4dca2a28c3c70dec76a1c9269e
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 17:22:07 2017 +0200

    a_iface_bssap: clear lingering subscriber connections on reset
    
    When the BSC is vanishing, the subscriber connections will stay
    active until the MSC is instructed via tha A interface to clear
    the connections. Unfortunately, this will most likely not be
    the case because the BSC will most likeley have lost all its
    state and does not know about the old connections anymore.
    
    This patch fixes the problem by looping through the list with
    the active gsm subscriber connections and clearing them manually
    when the reset from the BSC is received. Only connections by the
    bsc who actually executes the reset are affected. Connections
    from other BSCs will not be touched.

http://cgit.osmocom.org/openbsc/commit/?id=456d3c44d1adf0ffe0f9684f57bddf7575479e5c

commit 456d3c44d1adf0ffe0f9684f57bddf7575479e5c
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 17:00:31 2017 +0200

    cosmetic: fix typo

http://cgit.osmocom.org/openbsc/commit/?id=9b5dee4e33fc432898ecfe490e28e0748dea83c9

commit 9b5dee4e33fc432898ecfe490e28e0748dea83c9
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 15:36:14 2017 +0200

    mgcp: make sure all endpoints are closed on startup
    
    If the MSC is crashing and restarting, it may leave some endpoints
    open. The endpoints can not be re-used until they are deleted
    (DLCX). This patch sends a DLCX to all possible endpoints (usually
    this is in a countable range) in order to clear possible open
    endpoints from a previous run

http://cgit.osmocom.org/openbsc/commit/?id=21521acd3f9147db01fde7729181c26769efdc77

commit 21521acd3f9147db01fde7729181c26769efdc77
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 15:28:39 2017 +0200

    mgcp: make structs accessible from outside
    
    struct mgcpgw_client and struct mgcp_inuse_endpoint are not
    accessible from outside, making it difficult to look in the
    mgcp client properties and status. The commit moves the
    structs into the header file.

http://cgit.osmocom.org/openbsc/commit/?id=cf04ac42b1981805b028ea02d42456d53299e62d

commit cf04ac42b1981805b028ea02d42456d53299e62d
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 14:21:50 2017 +0200

    mgcp: release no longer used endpoint identifiers
    
    When an MGCP endpoint is deleted, we need to mark its endpoint
    id as unused, so other calls can used it. This is currently not
    happening. This patch fixes that.

http://cgit.osmocom.org/openbsc/commit/?id=d7bf0dcae8f8e6b2ade7032057dfed5601a3cb4b

commit d7bf0dcae8f8e6b2ade7032057dfed5601a3cb4b
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 14:18:47 2017 +0200

    mgcp: improve endpoint management
    
    Currently the assignment of endpoint identifiers works by just
    incrementing a counter. The mgcpgw only has a limited amount
    of endpoint identifiers avaliable, this means we will run out
    of endpoints after only a few calls.
    
    This commit adds a mechanism to keep track of used endpoint
    identifiers so unused endpoint identifiers can be re-used

http://cgit.osmocom.org/openbsc/commit/?id=b8012aad098444a83014d40a4a84b62a4be4c59a

commit b8012aad098444a83014d40a4a84b62a4be4c59a
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 12:21:07 2017 +0200

    mgcp: use mgcp DLCX command to terminate endpoint after call is done
    
    Currently no DLCX command is sent to the mgcpgw when a call is over,
    this leaves the endpoint open. This means that the endpoint can not
    never be reused by other calls. This patch adds a DLCX that
    terminates the the endpoint when the call is done.

http://cgit.osmocom.org/openbsc/commit/?id=188a804f6df55a66185054e664d6b3a998e7a371

commit 188a804f6df55a66185054e664d6b3a998e7a371
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Jun 8 12:19:30 2017 +0200

    mgcp: add DLCX command to mgcpgw client
    
    The mgcpgw client currently lacks support for DLCX. This patch
    adds a generator function to generate a DLCX command as well.

http://cgit.osmocom.org/openbsc/commit/?id=1728a6eb188a887a636f3eb8a01a6b09ad2515f5

commit 1728a6eb188a887a636f3eb8a01a6b09ad2515f5
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Wed Jun 7 18:19:53 2017 +0200

    cosmetic: fixing coding style

http://cgit.osmocom.org/openbsc/commit/?id=277ccecb679c47dbcfb694c490117c541b4be47e

commit 277ccecb679c47dbcfb694c490117c541b4be47e
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Tue Jun 6 14:39:22 2017 +0200

    fixup: in osmo-bsc-sigtran.h header (bsc_msc_data.h) was missing

http://cgit.osmocom.org/openbsc/commit/?id=8b0d8a97fb5cddb718c0b35af02bbcfe4599bdc5

commit 8b0d8a97fb5cddb718c0b35af02bbcfe4599bdc5
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Tue Jun 6 14:31:36 2017 +0200

    osmo-bsc: Handle RESET/RESET-ACK properly
    
    Improve the way the BSC executes its RESET/RESET-ACK sequence.
    Currently only a simple bool variable serves as a state holder.
    We set this variable to true when we receive the RESET-ACK
    message. Unfortunately no further checking is done. This
    patch replaces the old mechanism with a more elaborated
    implementation which also detects a loss of the connection
    and makes sure to reconnect properly afterwards. Also the
    all open connections are closed on connection loss

http://cgit.osmocom.org/openbsc/commit/?id=fabe468dd47ffd72a3ff2b6387422d304b178665

commit fabe468dd47ffd72a3ff2b6387422d304b178665
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Tue Jun 6 12:31:00 2017 +0200

    sccp: Use osmo-stp instead of direct server/client connection
    
    This patch adjusts the code to use osmo-stp. This is only an
    intermediate solution, since we still have hardcoded parameter.
    Next step is to use the VTY options from libosmo-sigtran to
    issue the configurations.

http://cgit.osmocom.org/openbsc/commit/?id=926f84a2a33432091fffc22a6166fbb6df2920e5

commit 926f84a2a33432091fffc22a6166fbb6df2920e5
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Fri Jun 2 17:48:37 2017 +0200

    fixup for: aoip: signal channel type to BSC
    
    The channel type and the speech codec element is now
    signalled to the BSC. The BSC checks both fields and
    select a codec by its preference. The choosen speech
    codec and the choosen channel (type) is returned to
    the MSC. Currently the MSC ignores the return values

http://cgit.osmocom.org/openbsc/commit/?id=9f15ac5ba06c91086626eff4855848ee80b56d44

commit 9f15ac5ba06c91086626eff4855848ee80b56d44
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Wed May 31 17:17:59 2017 +0200

    aoip: signal channel type to BSC
    
    obtain the permitted speech and the prefered channel parameters
    and signal it to the MSC with the channel type field.

http://cgit.osmocom.org/openbsc/commit/?id=dfe085d979ba8b7266a6c66ecb13bf5a11a8d86f

commit dfe085d979ba8b7266a6c66ecb13bf5a11a8d86f
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon May 29 13:18:44 2017 +0200

    osmo-msc: Integrate A interface into existing call control
    
    The MSC already has some basic call control handling mechanism, that
    was primarily used with 3G before. However, the already existing
    code that handles the 3G calls is also perfectly fine for handling
    2G calls. This commit integrates the A interface without breaking
    it for 3G.

http://cgit.osmocom.org/openbsc/commit/?id=e818b91729de56db7643c0961f810c1652f65701

commit e818b91729de56db7643c0961f810c1652f65701
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Mon May 29 13:14:18 2017 +0200

    osmo-bsc: Negotiate rtp ip address/port with BTS
    
    This patch adds the support for the RTP IP-Address/Port assignment.
    The post communicated via the assignment request is now transmitted
    via RSL/IPACC to the BTS. The Response containing the RX-Port at
    the BTS side is communicated back to the MSC.
    
    Since we plan to add a private MGCPGW to each BSC, this has to
    be extended. Currently it only creates a direct connection to
    the BTS. This will be introduced with a future patch.

http://cgit.osmocom.org/openbsc/commit/?id=805b83a1ef41bbc1d0d6c944e949dbbd33fcfc75

commit 805b83a1ef41bbc1d0d6c944e949dbbd33fcfc75
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu May 18 16:20:18 2017 +0200

    fixup: Hexdump for incoming unit data was missing

http://cgit.osmocom.org/openbsc/commit/?id=8ac978bd64ba94b012ac2ab2fd47378cd580b1c8

commit 8ac978bd64ba94b012ac2ab2fd47378cd580b1c8
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 22 21:27:19 2017 +0200

    comment: fixme to cleanup MGCP ports
    
    Related: OS#2279
    Change-Id: Iaf4877ad1c6446609715094d785e9be93c9e0429

http://cgit.osmocom.org/openbsc/commit/?id=23b5ace90ed9d141237873db9e18e54e65f62c4f

commit 23b5ace90ed9d141237873db9e18e54e65f62c4f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 22 21:28:09 2017 +0200

    msc: enable basic CTRL commands
    
    So far CTRL was not used by anyone, and was still disabled from the initial
    implementation of the OsmoMSC. Now we need it in osmo-gsm-tester.
    
    Only add the MSC specific CTRL commands, the bsc_base_ctrl_cmds_install() still
    needs to be split up.
    
    Change-Id: Id8f72000e0f4dea081bfce94fde8cd54290dfa7d

http://cgit.osmocom.org/openbsc/commit/?id=8d49f40280260fbc2b16490e1a11b4f38b5d066e

commit 8d49f40280260fbc2b16490e1a11b4f38b5d066e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu May 11 14:31:35 2017 +0200

    sgsn: add missing osmo_ss7_init()
    
    Change-Id: I7abe7a96fc4f46757605a75334a3bd240f54faf3

http://cgit.osmocom.org/openbsc/commit/?id=832a69181b68c00247c1c1c55225d5278ef705d2

commit 832a69181b68c00247c1c1c55225d5278ef705d2
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 8 15:11:00 2017 +0200

    drop libosmo-ranap from sms_queue test
    
    Change-Id: I0afd8e4db3c84fd1265d3903e389c5164ea73335

http://cgit.osmocom.org/openbsc/commit/?id=50f36fe4094c8937d1c775cb1aa2ccaa83290820

commit 50f36fe4094c8937d1c775cb1aa2ccaa83290820
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 8 15:10:42 2017 +0200

    wip iudummy struct osmo_sccp_addr -- drop this?
    
    Change-Id: I90b807b1c6f2a3e86c81c0906168f8c0fc5440b3

http://cgit.osmocom.org/openbsc/commit/?id=76174d9dd94bb88ae63e616e84ae58b9f290e92b

commit 76174d9dd94bb88ae63e616e84ae58b9f290e92b
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Wed Apr 12 15:19:45 2017 +0200

    WIP: Integrate AoIP into MSC

http://cgit.osmocom.org/openbsc/commit/?id=e3aca93630e7a4572bd0459115b25348e1840c0e

commit e3aca93630e7a4572bd0459115b25348e1840c0e
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Thu Apr 20 18:40:37 2017 +0200

    libmsc: make pitfall in gsm0408_dispatch() more obvious
    
    The function gsm0408_dispatch() accepts a message buffer pointer
    and accesses the l3h pointer. Even in a properly allocated
    message buffer, this may lead into a segfault if the user forgets
    to set the l3h pointer. This commit adds assertions to popup a
    more expressive error message.

http://cgit.osmocom.org/openbsc/commit/?id=0923fc6707ea35776ad8c37a6d490ac3408dd274

commit 0923fc6707ea35776ad8c37a6d490ac3408dd274
Author: Philipp Maier <pmaier at sysmocom.de>
Date:   Wed Apr 12 15:26:04 2017 +0200

    WIP: Integrate AoIP into OsmoBSC

http://cgit.osmocom.org/openbsc/commit/?id=22593b2cef43bceafe7727f893be4657f949489f

commit 22593b2cef43bceafe7727f893be4657f949489f
Author: Harald Welte <laforge at gnumonks.org>
Date:   Sun Apr 9 12:32:51 2017 +0200

    WIP: Port to new libosmo-sigtran API (with proper M3UA for Iuh)
    
    This changes 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.
    
    Only the ASP (client) is used, assuming that both the HNB-GWs and RNCs
    as well as the MSCs and SGSNs are all connecting as ASP to some STP/SGW
    which offers M3UA server functionality as well as point-code and/or
    global title based routing.
    
    Tweaked-by: nhofmeyr (test expectation)
    Change-Id: If0ff956fbf1484899d59ae1a5885543bca31645b

http://cgit.osmocom.org/openbsc/commit/?id=99d3a8836dd81fc461d759b4bf42ca016f9cc8b7

commit 99d3a8836dd81fc461d759b4bf42ca016f9cc8b7
Author: Daniel Willmann <dwillmann at sysmocom.de>
Date:   Thu May 11 17:50:04 2017 +0200

    examples/sgsn: Use osmo-hlr with auth-policy remote by default
    
    Change-Id: I28502ab88cb73d407c8b503d8b28491e909ad194

http://cgit.osmocom.org/openbsc/commit/?id=139bbb9ff70b74b32bc69b4891f68409283a3654

commit 139bbb9ff70b74b32bc69b4891f68409283a3654
Author: Daniel Willmann <dwillmann at sysmocom.de>
Date:   Thu May 11 17:23:11 2017 +0200

    contrib: Change systemd requirements so the services connect properly
    
    Change-Id: Id5bfbcd0d906d1aa9c2de9cb7a0e7d0053ea2375

http://cgit.osmocom.org/openbsc/commit/?id=463123d5b32abe74c6cde719727384ad541d4f59

commit 463123d5b32abe74c6cde719727384ad541d4f59
Author: Daniel Willmann <dwillmann at sysmocom.de>
Date:   Mon May 8 13:04:59 2017 +0200

    examples: Change IP address of config files
    
    This helps in providing 3G software packages for the sysmoNITB hardware.
    
    Change-Id: I99ba316be1088c10496025325dfe03035892d394

http://cgit.osmocom.org/openbsc/commit/?id=64b6a2741af979d3a7e21c366d45e8de9e30d10a

commit 64b6a2741af979d3a7e21c366d45e8de9e30d10a
Author: Daniel Willmann <dwillmann at sysmocom.de>
Date:   Mon May 8 13:04:49 2017 +0200

    contrib: Add osmo-msc service file
    
    Change-Id: I60b1b134beec741c50df4c32d44ed51b720e12c9

http://cgit.osmocom.org/openbsc/commit/?id=3812d1635b418f730a45fefe56faaf0b44abeec9

commit 3812d1635b418f730a45fefe56faaf0b44abeec9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:09:47 2016 +0200

    temporary dev: set debug log level almost everywhere
    
    Change-Id: I0d5a36560e7edde27497de57e579f5b1d00eb525

http://cgit.osmocom.org/openbsc/commit/?id=f1acdbea61682ada6ceeae640412cb7421f73d54

commit f1acdbea61682ada6ceeae640412cb7421f73d54
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Mar 10 02:15:20 2017 +0100

    log protocol discriminators and message types by name
    
    Depends: libosmocore change-id I0fca8e95ed5c2148b1a7440eff3fc9c7583898df
    Change-Id: If1c49faf6e1757cb16b383dd2db87b48bc94eee6

http://cgit.osmocom.org/openbsc/commit/?id=ee19c9ab609e04726d26166426beb6d58aec7456

commit ee19c9ab609e04726d26166426beb6d58aec7456
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Mar 16 16:14:34 2017 +0100

    mgcp: hack RAB success from nano3G: patch first RTP payload
    
    The ip.access nano3G needs the first RTP payload's first two bytes to read hex
    'e400', or it will reject the RAB assignment. Add flag
    patched_first_rtp_payload to mgcp_rtp_state to detect the first RTP payload on
    a stream, and overwrite its first bytes with e400. This should probably be
    configurable, but seems to not harm other femto cells (as long as we patch only
    the first RTP payload in each stream). Only do this when sending to the BTS
    side.
    
    Change-Id: I31a4475f42d59fd5704d52ee6e473e270db6d779

http://cgit.osmocom.org/openbsc/commit/?id=61692adb2b0cd090c8fb8c81376a28bca099d079

commit 61692adb2b0cd090c8fb8c81376a28bca099d079
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri May 20 21:59:55 2016 +0200

    Implement IuCS (large refactoring and addition)
    
    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
    
    mgcp: hack RAB success from nano3G: patch first RTP payload
    The ip.access nano3G needs the first RTP payload's first two bytes to read hex
    'e400', or it will reject the RAB assignment. Add flag
    patched_first_rtp_payload to mgcp_rtp_state to detect the first RTP payload on
    a stream, and overwrite its first bytes with e400. This should probably be
    configurable, but seems to not harm other femto cells (as long as we patch only
    the first RTP payload in each stream). Only do this when sending to the BTS
    side.
    
    Change-Id: Ie13ff348117e892d41b8355ab6c24915301eaeaf

http://cgit.osmocom.org/openbsc/commit/?id=58774cba12ec4675e32fa524cfa631bdc690a9da

commit 58774cba12ec4675e32fa524cfa631bdc690a9da
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 8 15:12:20 2017 +0200

    mscsplit: various preparations to separate MSC from BSC
    
    Disable large parts of the code that depend on BSC presence.
    
    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.
    
    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.
    In osmo-nitb, paging is done on BSC level and MSC level "at the same time".
    When the new MSC is fully operational, paging will be controlled separately on
    the MSC level, and the BSC (RNC) level will be instructed over an IuCS or
    A-interface to negotiate paging with the MS (UE). This MSC level paging does
    not yet exist and will be added in subsequent commits.
    
    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
    
    Change-Id: I9cf80f9c2c8a53a29e42f000029e680a9922cb41

http://cgit.osmocom.org/openbsc/commit/?id=fd01ea2b6a778b8f610203b8de38d1677d7f02ac

commit fd01ea2b6a778b8f610203b8de38d1677d7f02ac
Author: Harald Welte <laforge at gnumonks.org>
Date:   Mon May 2 08:34:57 2016 +0200

    IuPS adjustments
    
    SGSN: Don't indicate GERAN in Iu mode PDP CTX ACT REQ to GGSN
    
    sgsn_ranap_iu_event: handle some events without valid MM context
    
    sgsn init: pass sgsn_config pointer to sgsn_vty_init(), not sgsn_parse_config
    
    IuPS: cosmetic: explicitly check RAN type; move comment
    
    Change-Id: I8375ba42dd47d7ccd9ce9290767d6f8653a23b94

http://cgit.osmocom.org/openbsc/commit/?id=4d8d3fed5daf7c342c773883a6611a2fb10a8ea6

commit 4d8d3fed5daf7c342c773883a6611a2fb10a8ea6
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Mar 29 15:17:55 2017 +0200

    osmo-nitb: change default config file name to osmo-nitb.cfg
    
    Since the VLR development marks a move away from the 'openbsc' name, now is a
    good opportunity to also change the default config file name to the more
    accurate and obvious 'osmo-nitb.cfg'.
    
    Change-Id: I47658dad59ec38c39be59415db5f648c9e4c79f2

http://cgit.osmocom.org/openbsc/commit/?id=c46c2da11e33fe94176df7b6d9844731a8e7bf0e

commit c46c2da11e33fe94176df7b6d9844731a8e7bf0e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Mar 29 15:16:08 2017 +0200

    osmo-nitb: change default db name to sms.db
    
    libvlr now delegates subscriber management to osmo-hlr, so the database no
    longer represents a HLR. It basically only stores SMS, so reflect that fact in
    the default database name.
    
    Change-Id: Ibf766d9f7f67aae17f76988d6279da20ad18e4bc

http://cgit.osmocom.org/openbsc/commit/?id=f20772d1cbc46ffc8858f5a42f172a02b5941ba8

commit f20772d1cbc46ffc8858f5a42f172a02b5941ba8
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Feb 22 02:27:59 2017 +0100

    SI3: indicate R99+ MSC to GSM MS to enable UMTS AKA
    
    Change-Id: Iaf11218327f139e8cabfbc5f9916505c66eadbd8

http://cgit.osmocom.org/openbsc/commit/?id=3737ec4f8957e7834097fbced3c79cdcdd0e0f09

commit 3737ec4f8957e7834097fbced3c79cdcdd0e0f09
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Jan 25 15:04:16 2017 +0100

    Add msc_vlr test suite for MSC+VLR end-to-end tests
    
    Change-Id: Ic073f3a069a7f5e7e421e0e56140f069ee9b10b8

http://cgit.osmocom.org/openbsc/commit/?id=5fd3a2cd21d90027391f14466f737837dd6e6674

commit 5fd3a2cd21d90027391f14466f737837dd6e6674
Author: Harald Welte <laforge at gnumonks.org>
Date:   Sun Jun 19 18:06:02 2016 +0200

    Use libvlr in libmsc (large refactoring)
    
    Original libvlr code is by Harald Welte <laforge at gnumonks.org>,
    polished and tweaked by Neels Hofmeyr <nhofmeyr at sysmocom.de>.
    
    This is a long series of development collapsed in one patch. The original
    history may still be available as branch neels/vlr_orig.
    
    TODO: This commit may be split in several smaller changes before merging to
    master.
    
    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.
    
    Related: OS#1592
    
    Change-Id: I702ba504ce2de93507312c28eca8d11f09f4ee8b

http://cgit.osmocom.org/openbsc/commit/?id=9e1721f332d283cc8832d6584cff8297b41101c7

commit 9e1721f332d283cc8832d6584cff8297b41101c7
Author: Harald Welte <laforge at gnumonks.org>
Date:   Fri Jun 17 00:06:42 2016 +0200

    Add libvlr implementation
    
    Original libvlr code is by Harald Welte <laforge at gnumonks.org>,
    polished and tweaked by Neels Hofmeyr <nhofmeyr at sysmocom.de>.
    
    This is a long series of development collapsed in one patch. The original
    history may still be available as branch neels/vlr_orig.
    
    Related: OS#1592
    Change-Id: I3f75de5f0cc2ff77f276fd39832dd3621309c4b9

http://cgit.osmocom.org/openbsc/commit/?id=514c691e1e154121573c1b21104ba60386b1f436

commit 514c691e1e154121573c1b21104ba60386b1f436
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Feb 14 17:42:25 2017 +0100

    logging: auth request: use hexdump without spaces for RAND, AUTN
    
    Change-Id: I656d8619a1adc93e2f627f4e1ba21512a7374279

http://cgit.osmocom.org/openbsc/commit/?id=4be4afe9b792852be011e6a2af8e30fef76b8b53

commit 4be4afe9b792852be011e6a2af8e30fef76b8b53
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Sat Mar 4 03:15:53 2017 +0100

    gsup_client: allow passing a unit id to identify with HLR
    
    Before, each GSUP client would contact the HLR with an identical unit id, i.e.
    "SGSN-00-00-00-00-00-00", with the result that some messages were sucked off by
    the wrong client.
    
    Pass explicit unit name from each gsup client user, so that OsmoMSC is "MSC"
    and OsmoSGSN is "SGSN". Hence the HLR can properly route the messages.
    
    Todo: also set some values instead of the zeros.
    
    Unrelated cosmetic change while editing the arguments: gsup_client_create()'s
    definition's oap client config arg name mismatched the one used in the
    declaration. Use oapc_config in both.
    
    Change-Id: I3f8d6dd47c7013920e2a4bde006ed77afd974e80

http://cgit.osmocom.org/openbsc/commit/?id=8bca67a60af40de9f8653b3510f67f35c15c727e

commit 8bca67a60af40de9f8653b3510f67f35c15c727e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Sat Mar 4 02:28:19 2017 +0100

    GPRS/IuPS: remove all 3G authentication dev hacks
    
    UMTS auth works now with the external OsmoHLR.
    
    Change-Id: I1204f388cf1311ec98b3eaf7505d7e18e73f03d0

-----------------------------------------------------------------------

Summary of changes:
 openbsc/contrib/systemd/osmo-msc.service          |  5 +--
 openbsc/contrib/systemd/osmo-sgsn.service         |  3 ++
 openbsc/doc/examples/osmo-sgsn/osmo-sgsn.cfg      |  3 ++
 openbsc/include/openbsc/gsm_04_08.h               | 14 --------
 openbsc/include/openbsc/gsm_data.h                |  3 ++
 openbsc/include/openbsc/gsm_data_shared.h         |  2 ++
 openbsc/src/libbsc/bsc_vty.c                      | 30 ++++++++++++++---
 openbsc/src/libbsc/bts_ipaccess_nanobts_omlattr.c | 14 ++++++--
 openbsc/src/libcommon/gsm_data.c                  | 40 +++++++++++++++++++++--
 9 files changed, 89 insertions(+), 25 deletions(-)


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