openbsc.git branch neels/iu created. 0.15.0-784-g758c6c478

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http://cgit.osmocom.org/openbsc/commit/?id=758c6c478d787a59983c80896c4fabb69b679fd1

commit 758c6c478d787a59983c80896c4fabb69b679fd1
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Mar 2 02:37:39 2017 +0100

    wip
    
    Change-Id: I4101b102145a011cec1eb8b92863f38ff7db57b2

http://cgit.osmocom.org/openbsc/commit/?id=9d10f424de3c7bca7c323439332deeaae4bd642b

commit 9d10f424de3c7bca7c323439332deeaae4bd642b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Mar 2 02:22:58 2017 +0100

    mark fixme: rate counters
    
    Change-Id: I45651fd4cf3f4da8ad67251bbb3b627888e76d9c

http://cgit.osmocom.org/openbsc/commit/?id=1380a1f9ab193e8cdbdaa03bf46aa07bb85bcbde

commit 1380a1f9ab193e8cdbdaa03bf46aa07bb85bcbde
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Oct 21 01:32:10 2016 +0200

    mgcp: log payload type change
    
    Change-Id: Iee5fa667dece12174b1933345c1ed640a264ed97

http://cgit.osmocom.org/openbsc/commit/?id=7405922b092e5bd38b451e06176494db4a3c881f

commit 7405922b092e5bd38b451e06176494db4a3c881f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon Jan 23 16:56:02 2017 +0100

    comment: fixme: rab failure
    
    Change-Id: I6e21f2d7dd560ab15675f3e432c37a13c4ab6792

http://cgit.osmocom.org/openbsc/commit/?id=459f46f6e3a1b7062ad27c85e208f289bac57c06

commit 459f46f6e3a1b7062ad27c85e208f289bac57c06
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Oct 18 20:20:51 2016 +0200

    mgcp parsing, set port from mgcp response
    
    Change-Id: I90e2c1aa7575d5fa6e0374f5022cbb25fc3f7699

http://cgit.osmocom.org/openbsc/commit/?id=88507500d51c062103f9c7dff30941896d3276a3

commit 88507500d51c062103f9c7dff30941896d3276a3
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Oct 18 18:38:59 2016 +0200

    mgcp parsing, mgcp test
    
    Change-Id: Ibe2ab17b3fa3a506a2e841ba979ea4175e3a21e8

http://cgit.osmocom.org/openbsc/commit/?id=222faa8213fac638877d5a6272b67ba34f3bb969

commit 222faa8213fac638877d5a6272b67ba34f3bb969
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Oct 14 17:56:17 2016 +0200

    mgcp: handle responses from the MGCP GW
    
    Change-Id: I5c0493feaec775461b5a017c36b93cc2ad63c896

http://cgit.osmocom.org/openbsc/commit/?id=c67c63e5303307f94512f0fbb1775030789c8ea2

commit c67c63e5303307f94512f0fbb1775030789c8ea2
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 02:53:55 2016 +0200

    IuPS: cosmetic: explicitly check RAN type; move comment
    
    Change-Id: I8375ba42dd47d7ccd9ce9290767d6f8653a23b94

http://cgit.osmocom.org/openbsc/commit/?id=00b0a9fa3a352e71e24ee1806f9b2af5fc950c2d

commit 00b0a9fa3a352e71e24ee1806f9b2af5fc950c2d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 01:39:25 2016 +0200

    IuCS and IuPS: add VTY config for RAB Assignment address kind
    
    To accomodate the ip.access nano3G without having to recompile, make the
    RAB Assignment's Transport Layer Address IE's format configurable, in both
    osmo-msc and osmo-sgsn.
    
    The long term perspective is to somehow detect which address encoding a given
    3G cell prefers, but for the time being just configure it globally and set each
    ue_conn_ctx to the global setting upon creation.
    
    Add VTY command to iu_vty.c, with args passed to iu_vty_init() to insert
    at an arbitrary VTY node, so that it can be used both for osmo-msc and
    osmo-sgsn. Add generic iu_vty_config_write() to write out the config.
    
    Call iu_vty_init() from msc_vty_init(); msc_vty_init() is in libmsc,
    hence linking of osmo-msc now needs libiu to come after libmsc, so move
    that further down.
    
    Change-Id: I93728314742b327336f3fb6de98e6457f687e1f9

http://cgit.osmocom.org/openbsc/commit/?id=6a28e2b038e301685fe38b617cf4faa17b66e087

commit 6a28e2b038e301685fe38b617cf4faa17b66e087
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 02:55:31 2016 +0200

    IuCS, IuPS: move flag to use X.213 NSAP addr into ue_conn_ctx
    
    The future perspective is to remember the preferred RAB Transport Layer Address
    encoding for each 3G cell that is connected, so store per UE conn instead of
    globally hardcoding.
    
    Add rab_assign_addr_enc member to ue_conn_ctx. Thus the iu_rab_act_cs() and
    iu_rab_act_ps() functions no longer need the explicit use_x213_nsap argument.
    
    Add include/openbsc/common.h in order to define the enum nsap_addr_enc, in a
    separate file to be able to easily include it in all of libmsc, libiu and
    gprs/* without creating include cycles.
    
    Set the rab_assign_addr_enc when an MM ctx is created for iu, and whenever the
    ue_conn_ctx for an Iu MM ctx is updated. This looks a bit clumsy so far, the
    hope is that there will be a nice way to setup the ue_conn_ctx prior to that.
    
    Change-Id: I49bb5736df7bdfdd55d3e7b74ee559595cfd2f7d

http://cgit.osmocom.org/openbsc/commit/?id=d55a5d7b52395ab3a0015ea4767a26046daa9d5b

commit d55a5d7b52395ab3a0015ea4767a26046daa9d5b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 03:30:48 2016 +0200

    sgsn init: pass sgsn_config pointer to sgsn_vty_init(), not sgsn_parse_config
    
    It makes sense semantically, and prepares for an upcoming commit that uses
    the internal global config pointer in sgsn_vty_init(), which would not
    be defined yet without this.
    
    Change-Id: Ie4cf1c0a1c9e6330a134ff4b7b2e6d5699c12bd7

http://cgit.osmocom.org/openbsc/commit/?id=e19a6d5b68efcac1b73c17f8f7f6ef7dda041070

commit e19a6d5b68efcac1b73c17f8f7f6ef7dda041070
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 01:29:33 2016 +0200

    iu: sort out confusion around asn_debug and asn1_xer_print
    
    Before, I confused asn_debug with asn1_xer_print. Have two distinct VTY
    commands and fix documentation.
    
    Put the asn_debug and asn1_xer_print implementations in iu.c.
    
    Since they are globally defined, don't pass a pointer to iu_vty_init()
    but just use it directly. Might be considered less clean, but is also less
    bloat.
    
    Change-Id: Iccbadfe1585ba224f74cdfb5273b5ce29b6d78f0

http://cgit.osmocom.org/openbsc/commit/?id=08de61a0be444e94f3ff332420e80f6181012080

commit 08de61a0be444e94f3ff332420e80f6181012080
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Oct 12 01:48:55 2016 +0200

    iu.h: add missing includes and type defs
    
    So far it was included only in files that also include all needed headers,
    but make it so that it can be included on its own.
    
    Change-Id: I08a756031b995bd01a6e15c678b845fd98de960b

http://cgit.osmocom.org/openbsc/commit/?id=7f22416aafa36e9169a908568f2cb3f4d046c30c

commit 7f22416aafa36e9169a908568f2cb3f4d046c30c
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Oct 11 02:24:53 2016 +0200

    IuCS: rapidly release connections
    
    Do the same as we do in 2G: release the connection as soon as nothing else
    is pending for a given subscriber.
    
    Before, osmo-msc would wait for the UE "to get bored" and send an Iu
    release. But the CN should stay lean on connections. Also, 25.413[1] in section
    7, 6th point states:
    "While the Iu release is managed from the CN, the RNC has the capability to
    request the release of all Iu connection resources from the corresponding Iu
    connection."
    So far we did not manage Iu release from osmo-msc at all.
    
    Use the same mechanism we use in 2G: from msc_release_connection(), just before
    freeing the gsm_subscriber_conn, invoke a CN initiated Iu Release command to
    the UE.
    
    This works around OS#1816 ("USSD only works when IuCS is released", on nano3G),
    because the Iu conn is now released right after every signalling, so that
    typically no two requests will use the same conn.
    
    In iu.h/iu.c, add iu_tx_release(), absorbing almost all of the code from
    ranap_handle_co_iu_rel_req().
    
    Add stub to db_test.c, necessary to build it without linking libiu.
    
    [1] 3GPP TS 25.413 v12.4.0 Release 12 / ETSI TS 125 413 V12.4.0 (2015-04)
    
    Related: OS#1816
    Change-Id: Ic12bd6f3666f6fd42bd6d9fdae1c93abee3b6786

http://cgit.osmocom.org/openbsc/commit/?id=48c1999bf20209ed794fdcba428b48c4bb4464af

commit 48c1999bf20209ed794fdcba428b48c4bb4464af
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Oct 11 00:50:05 2016 +0200

    IuCS: don't remove Iu conn until release
    
    Don't remove the gsm_subscriber_connection without an Iu Release.
    
    From the 2G paradigm to close a subscriber connection as soon as nothing else
    is pending, osmo-msc frequently calls msc_release_connection() to see whether
    a conn has anything pending, or discards it.
    
    In 3G however, we so far don't actively release IuCS connections from the MSC
    side, but wait until the IuCS is released from the UE side. So the conn is
    often discarded even though the IuCS stays open and valid, which confuses the
    situation: before the UE releases a bit later, we would try to page the
    subscriber unsuccessfully, because the UE expects to already be connected.
    
    To first fix the discrepancy of Iu vs. subscr release, never discard
    gsm_subscriber_connections when msc_release_connection() is called.
    
    This creates a "lazy" CN that keeps connections open as long as the UE will
    tolerate. It is really fast in sending many SMS in close succession, but is
    certainly a bad CN design choice: we should rather stay lean on connections.
    
    A subsequent commit will change this, but I decided to keep this commit as a
    reference, for when we'd like to test situations that should re-use an
    established connection.
    
    Change-Id: I012378cfa432d791146db387554ec1909de05297

http://cgit.osmocom.org/openbsc/commit/?id=2e0063e08226beb96a23c5731b26fd4b2315b463

commit 2e0063e08226beb96a23c5731b26fd4b2315b463
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Sep 20 18:18:26 2016 +0200

    mgcp dbg log
    
    Change-Id: I56fda48edaa92abfc6e3886cdfce733bb0686f73

http://cgit.osmocom.org/openbsc/commit/?id=2fcaf4a1aab6c4bf3a3d250952dac39fcbede636

commit 2fcaf4a1aab6c4bf3a3d250952dac39fcbede636
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Sep 22 20:00:16 2016 +0200

    sgsn_ranap_iu_event: handle some events without valid MM context
    
    Change-Id: Ia7e74087d56996104b6d3935b1cf12166ff67f3a

http://cgit.osmocom.org/openbsc/commit/?id=be96261548f2e78bacd3ae95335d135f15498deb

commit be96261548f2e78bacd3ae95335d135f15498deb
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon Sep 19 18:30:49 2016 +0200

    IuCS: store assigned rab_id in gsm_subscriber_connection
    
    Change-Id: I7fda4304631fc24bbd1bebe911b8403a942fcf53

http://cgit.osmocom.org/openbsc/commit/?id=77d3e13e3410fd1e4114cfe6b27005c2ecebd43e

commit 77d3e13e3410fd1e4114cfe6b27005c2ecebd43e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Sep 22 20:28:35 2016 +0200

    bridge calls via mgcpgw
    
    Change-Id: Ie259e30bc532fe9817c96562022ac33443d5747a

http://cgit.osmocom.org/openbsc/commit/?id=816423c24a59d768e9d92809c7fbb80dee50dc5b

commit 816423c24a59d768e9d92809c7fbb80dee50dc5b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Sep 22 20:29:30 2016 +0200

    also do call assignment for MT calls, upon Call Confirmed
    
    Change-Id: I863fa73948f61aaffd7f4472f3abc3e44228e31f

http://cgit.osmocom.org/openbsc/commit/?id=8debae5492f2268268fe32a239a7f974355976e5

commit 8debae5492f2268268fe32a239a7f974355976e5
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Sep 7 13:39:07 2016 +0200

    IuCS: implement msc_call_assignment() for IuCS
    
    Send IuCS RAB Activation upon MNCC_CALL_PROC_REQ.
    
    Implement function msc_call_assignment(): decide between sending A-iface BSSMAP
    Assignment Request or IuCS RAB Assignment Request.
    
    Implement iu_rab_act_cs() to send the IuCS RAB Assignment Request. The IP
    address and port of the MGCPGW sent in the RAB Assignment are still hardcoded.
    
    The A-interface extension is not implemented yet.
    
    Declare ranap_new_msg_rab_assign_voice() to avoid including
    ranap_msg_factory.h, which would require adding ASN1 CFLAGS to Makefile.am.
    
    The mgcpgw_client as well as some more osmo-iuh functions are now linked from
    libmsc, hence add some dummy stubs to libiudummy and db_test.c.
    
    Change-Id: Iaae51d1fbbfc28fad1c0b85e161d53d80a420a19

http://cgit.osmocom.org/openbsc/commit/?id=754b2efadf54144d6a185d3311ca8c10b082150a

commit 754b2efadf54144d6a185d3311ca8c10b082150a
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Sep 22 20:21:10 2016 +0200

    msc: add mgcpgw client (with dummy read cb so far)
    
    Store the mgcpgw client data in struct gsm_network.
    Initialize VTY and bind the client.
    
    Change-Id: Ifc4efb1ca44fa34c29bf23b35addb54155296d68

http://cgit.osmocom.org/openbsc/commit/?id=f7f9d9dd6405d865d8c83b1236e94feb1b8edc72

commit f7f9d9dd6405d865d8c83b1236e94feb1b8edc72
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Sep 7 13:39:07 2016 +0200

    libmgcp: add mgcpgw client API
    
    Add an API to send MGCP messages to an MGCP GW, from the perspective of
    an MSC instructing the GW to setup RTP streams.
    
    Rationale: the mgcp_protocol.h is mostly for the MGCP GW itself, other
    implementations forward incoming MGCP messages. So a simpler approach for an
    MGCP GW client is useful.
    
    Add general VTY commands that can be used to configure mgcpgw_client.
    
    osmo-msc is going to use this to route RTP streams (for 3G at first).
    
    Change-Id: I6fe365c4c89207f2172943cc456b508a207b1135

http://cgit.osmocom.org/openbsc/commit/?id=8fdb920168840bf6a8f18569e7ddb445fee66522

commit 8fdb920168840bf6a8f18569e7ddb445fee66522
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Sep 7 13:39:07 2016 +0200

    libmgcp: add value strings for mgcp_connection_mode
    
    Add file mgcp_common.c to implement the value strings for the
    mgcp_connection_mode.
    
    Add in a separate file because of the upcoming mgcpgw_client.c implementation,
    introducing a file that contains implementations commonly used in MGCP GW as
    well as its clients.
    
    Change-Id: I6fe365c4c89207f2172943cc456b508a207b1135

http://cgit.osmocom.org/openbsc/commit/?id=9e4f71b091988a22ba3d8d706ce6d4bb46ee1670

commit 9e4f71b091988a22ba3d8d706ce6d4bb46ee1670
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Sep 20 18:16:35 2016 +0200

    libmgcp: move mgcp_connection_mode to public header
    
    mgcp_connection_mode will be used by the upcoming mgcpgw_client.h API.
    
    Change-Id: I7a3f8905723320d968f1a53c1036904107b4fb2d

http://cgit.osmocom.org/openbsc/commit/?id=c94e1b68b025af6d5e4912b4740fa2ecc3e126f4

commit c94e1b68b025af6d5e4912b4740fa2ecc3e126f4
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Sep 6 20:08:58 2016 +0200

    IuCS: cosmetic prep for msc_call_assignment()
    
    Rename gsm48_cc_tx_call_proc() to gsm48_cc_tx_call_proc_and_assign() to mark
    the place where the A-interface will send a BSSAP Assignment Request / where
    the IuCS-interface will send a RAB Assignment Request.
    
    Add function msc_call_assignment() to decide between A-iface and IuCS
    assignment, to be implemented in subsequent commit.
    
    Change-Id: I0695e233d57d13658793b0e63bb7c3ff224909a0

http://cgit.osmocom.org/openbsc/commit/?id=756ea325bd22ef8f98854bc91a9a117dab735f88

commit 756ea325bd22ef8f98854bc91a9a117dab735f88
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Sep 7 17:52:32 2016 +0200

    IuCS: send RANAP CommonID
    
    Add libiu function to send a CommonID message down a UE connection,
    iu_tx_common_id(); add also a corresponding stub to libiudummy for linking with
    tests.
    
    Add libmsc function msc_tx_common_id() to call the above. Add this mostly to
    clearly indicate in msc_ifaces.h that libmsc is calling out of the MSC; also
    to do conn->via_iface checking.
    
    Call msc_tx_common_id() after ciphering is established, in
    _gsm48_rx_mm_serv_req_sec_cb()'s GSM_SECURITY_SUCCEEDED case.
    
    Change-Id: I576ddd5bbabfc989149debd2f8a9743db6d26043

http://cgit.osmocom.org/openbsc/commit/?id=775f1c9b09d7a531c710bb80be52f7ace8eb1f72

commit 775f1c9b09d7a531c710bb80be52f7ace8eb1f72
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Aug 31 15:40:18 2016 +0200

    cosmetic: msc_handler, bsc_handler: drop extra whitespace
    
    The extra ws made me not find these lines when grepping for 'dtap ='.
    
    Change-Id: I45e5c9e7df4704546872aab15adf407298943435

http://cgit.osmocom.org/openbsc/commit/?id=53c5edfc3c9e2b8e3804ce1e1e9fe9552e970532

commit 53c5edfc3c9e2b8e3804ce1e1e9fe9552e970532
Author: Harald Welte <laforge at gnumonks.org>
Date:   Mon May 2 08:34:57 2016 +0200

    SGSN: Don't indicate GERAN in Iu mode PDP CTX ACT REQ to GGSN

http://cgit.osmocom.org/openbsc/commit/?id=35e2f5195ef2094da7a49d8cff73718b67bd54c0

commit 35e2f5195ef2094da7a49d8cff73718b67bd54c0
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 9 13:20:54 2016 +0200

    cosmetic: make gsm0408_loc_upd_rej() static

http://cgit.osmocom.org/openbsc/commit/?id=56e2b5722161c37f23fa66eb4122f16143fa4e54

commit 56e2b5722161c37f23fa66eb4122f16143fa4e54
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 9 13:18:03 2016 +0200

    LU counters: count completion and failure, not messages sent
    
    From a human admin viewpoint it doesn't make sense to count the messages sent:
    
    When we use TMSIs, we first send a LU Accept with a new TMSI, and then expect
    the MS to respond with a TMSI Realloc Complete message. When that fails to come
    through, the LU actually ends in failure, even though a LU Accept was sent.
    
    In 3G, if a UE sends an Iu Release during LU (e.g. user enables flight mode),
    we cancel the LU without sending any reply at all, so nothing would be counted.
    
    Instead, count Location Updating results, i.e. completion and failures.

http://cgit.osmocom.org/openbsc/commit/?id=1d5f0f50f28d03f813def41d605a75d09a5557eb

commit 1d5f0f50f28d03f813def41d605a75d09a5557eb
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:21:52 2016 +0200

    remove handle_abisip_signal()
    
    Change-Id: I9cf80f9c2c8a53a29e42f000029e680a9922cb41

http://cgit.osmocom.org/openbsc/commit/?id=a0928566ae0cefa0f16b39d2fa518d991272c007

commit a0928566ae0cefa0f16b39d2fa518d991272c007
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed May 4 15:35:37 2016 +0200

    gsm0408_clear_request(): actually free the released conn
    
    By having conn->in_release == 1, calling msc_release_connection() has no
    effect and thus never frees the conn. So, after all pending requests have
    been discarded, also discard and free the unused connection.

http://cgit.osmocom.org/openbsc/commit/?id=ad116ecce197d634682db42dd80d4498af6f1a03

commit ad116ecce197d634682db42dd80d4498af6f1a03
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:24:12 2016 +0200

    add iu.h to gsm_subscriber.c
    
    Change-Id: I398aaa4a7328a58fb0d563725f3bea26482929ef

http://cgit.osmocom.org/openbsc/commit/?id=c7be84ee605f7151a5dbbefca26e1b83293b859d

commit c7be84ee605f7151a5dbbefca26e1b83293b859d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:11:39 2016 +0200

    gsm_04_08.c: iu.h
    
    Change-Id: I624612b5d5cd70770326347634aee2a42ba88945

http://cgit.osmocom.org/openbsc/commit/?id=6c6804e25fb9df9b09e03cf7e23b0a7a5448745f

commit 6c6804e25fb9df9b09e03cf7e23b0a7a5448745f
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=6919a1ac3d55252b497e2a78a8f95d187b566ff9

commit 6919a1ac3d55252b497e2a78a8f95d187b566ff9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 13:26:47 2016 +0200

    comment on mscsplit, indent comment

http://cgit.osmocom.org/openbsc/commit/?id=2f0f5aa460c219636a71a84987abd08484d14b73

commit 2f0f5aa460c219636a71a84987abd08484d14b73
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 13:44:39 2016 +0200

    move to libbsc: lchan_next_meas_rep() -- TODO really?
    
    Change-Id: I4ea799c5fa61f81c404e6ef1b9ac86a8faa1fb49

http://cgit.osmocom.org/openbsc/commit/?id=edf4b1b3ba74ad13bed225158789992bfa2a3ed1

commit edf4b1b3ba74ad13bed225158789992bfa2a3ed1
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 13:59:16 2016 +0200

    move to libbsc: gsm_bts_neighbor() -- TODO really?
    
    Change-Id: I63d4835dc7aabdf176e0ca634a6a4ca527612693

http://cgit.osmocom.org/openbsc/commit/?id=1f0e68b9dc55ae6eabd89099eaf28c9fac5578c0

commit 1f0e68b9dc55ae6eabd89099eaf28c9fac5578c0
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed May 11 14:21:58 2016 +0200

    gsm0408_test: use NULL for root ctx -- TODO really?

http://cgit.osmocom.org/openbsc/commit/?id=c4cfb7c0d44bd956949e84f90f08bb4b89fe3473

commit c4cfb7c0d44bd956949e84f90f08bb4b89fe3473
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 9 21:30:26 2016 +0200

    gsm_04_08: remove apply_codec_restrictions() -- TODO really?
    
    This function is wrongly placed on the MSC level.
    
    Unfortunately I cannot remember the very plausible details that hwelte had
    back in the days to argue for this change. (Refactoring an old commit that
    fails to explain in more detail.)
    
    Change-Id: I82623847e652a59a921d2fb142b77cf22420a746

http://cgit.osmocom.org/openbsc/commit/?id=0fde9499f3bc7132348135da7645be165b9bacf3

commit 0fde9499f3bc7132348135da7645be165b9bacf3
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu May 12 02:14:33 2016 +0200

    move to libmsc: osmo_stats_vty_add_cmds() -- todo MSCSPLIT

http://cgit.osmocom.org/openbsc/commit/?id=63fe2d6b7720053267de48c9695f0a4476f57e4d

commit 63fe2d6b7720053267de48c9695f0a4476f57e4d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 14:04:28 2016 +0200

    include msc_ifaces.h in gsm_04_08.c
    
    Change-Id: I11be1bdfe6993f89b34319e7d1526c729d6e0cde

http://cgit.osmocom.org/openbsc/commit/?id=59c939203a2ba55bb5f8366bee70ba18af45ef32

commit 59c939203a2ba55bb5f8366bee70ba18af45ef32
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:04:56 2016 +0200

    complete IuCS paging implementation
    
    Add paging timeout to struct gsm_subscriber. Previously, paging timeout was
    implemented only on BSC level, where each request has its own timeout value.
    The MSC will still send individual requests to BSC or RNC level, where they
    timeout individually. However, the MSC must also have an own timeout to be sure
    to discard stale pagings that the BSC or RNC never replied for.
    
    Add handle_paging_resp(), copying the few libmsc relevant parts of
    gsm48_handle_paging_resp().

http://cgit.osmocom.org/openbsc/commit/?id=aac0e0bc9971a1bcc6b9c123c8521370317b3613

commit aac0e0bc9971a1bcc6b9c123c8521370317b3613
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 13:57:25 2016 +0200

    paging: add todo comments for paging and mscsplit
    
    Change-Id: I7e72c9db2837ea5edf45f6037cb0288a264d492c

http://cgit.osmocom.org/openbsc/commit/?id=68dc9e617aa62e7001ca80ce43cae52fdd493a7d

commit 68dc9e617aa62e7001ca80ce43cae52fdd493a7d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:57:53 2016 +0200

    paging: actually verify subscriber authorization
    
    Before this, any paging response would be accepted by the CN, without
    checking the database whether the subscriber is in fact authorized.
    
    The probability that a subscriber would be able to take unauthorized action
    is slim, nevertheless checking authorization status with the database should
    happen before we accept a connection.

http://cgit.osmocom.org/openbsc/commit/?id=771d3bb82f60cd18c5d6f1c24f9c4e9bf87f8662

commit 771d3bb82f60cd18c5d6f1c24f9c4e9bf87f8662
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:55:22 2016 +0200

    paging: change subscr_paging_cb() into subscr_rx_paging_response()
    
    Remove one layer of callback indirection in paging. When a paging response
    arrives, we always want to first secure the connection, thus a fixed
    subscr_rx_paging_response() function is more appropriate and avoids having
    to store a cbfn. The actual actions to be taken upon successful paging are
    of course still in callback functions stored with each subscriber.
    
    Remove paging_request_stop() call from subscr_paging_dispatch(), which stops
    paging on all BTSs, which is not the responsibility of libmsc.
    
    Change-Id: Ic2c785c9cc48b2c2c6557cbe1060d25afa89e38d

http://cgit.osmocom.org/openbsc/commit/?id=4be70d114036ca04563aa665477f6ed1e523ceee

commit 4be70d114036ca04563aa665477f6ed1e523ceee
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Aug 12 16:03:09 2016 +0200

    Iu auth wip
    
    Change-Id: I44effcca80dc6850178174dc957bcd5608b0ae14

http://cgit.osmocom.org/openbsc/commit/?id=428af2545a7ff43ae79b57ef082797bb2d990310

commit 428af2545a7ff43ae79b57ef082797bb2d990310
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:07:23 2016 +0200

    subscr_request_channel() -> subscr_request_conn()
    
    Change-Id: Ife8e10b240693a8d369139881774f1892044aa65

http://cgit.osmocom.org/openbsc/commit/?id=ad0ea28ce6ce4c583e2b09be22aa1b2193630bea

commit ad0ea28ce6ce4c583e2b09be22aa1b2193630bea
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:05:13 2016 +0200

    move subscr_request to gsm_subscriber.h
    
    Change-Id: Idbbd39b0e068da17aafa97e315143509c69c50ea

http://cgit.osmocom.org/openbsc/commit/?id=6ee31c50ee582d755a1ea0c745853b081c3c9212

commit 6ee31c50ee582d755a1ea0c745853b081c3c9212
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:01:01 2016 +0200

    add gsm_encr to subscr_conn
    
    Change-Id: Id5797cd1f1bfa2cca2d3fbabc1981aa75546421b

http://cgit.osmocom.org/openbsc/commit/?id=d6ed43b594f1ce2845e3e726604a8ea1f97eb8cb

commit d6ed43b594f1ce2845e3e726604a8ea1f97eb8cb
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:57:14 2016 +0200

    osmo-nitb becomes osmo-msc
    
    Change-Id: I3787050b524954d8a4dd13495c458f3ee293807b

http://cgit.osmocom.org/openbsc/commit/?id=ea23766483cb40aa7bf5f0a61a67a83faa2aa745

commit ea23766483cb40aa7bf5f0a61a67a83faa2aa745
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed May 11 17:13:28 2016 +0200

    remove unneccessary linking from some tests
    
    The recent shifts and cuts have made some library linking for bsc, channel and
    db tests unnecessary.

http://cgit.osmocom.org/openbsc/commit/?id=eb68dd7c692be656764d58907a73e35d3ef51c84

commit eb68dd7c692be656764d58907a73e35d3ef51c84
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 21:44:32 2016 +0200

    cut off libbsc paging, pending paging in libmsc
    
    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.
    
    Change-Id: I8b6920ddc54fc3f2876a59664e6722666d8a8a4a

http://cgit.osmocom.org/openbsc/commit/?id=2bdb25354c70906dd1a14ae7f2ba07a96f244162

commit 2bdb25354c70906dd1a14ae7f2ba07a96f244162
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 13:09:14 2016 +0200

    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 relatd to msc_gsm0808_tx_cipher_mode() in two places.
    
    Change-Id: I5b276853d3af71f5e3f0a031fd17b4fff0580020

http://cgit.osmocom.org/openbsc/commit/?id=3b1387a23f474e47570d3907369244f7b1d5d01e

commit 3b1387a23f474e47570d3907369244f7b1d5d01e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri May 20 20:40:34 2016 +0200

    Use new msc_tx_dtap() instead of gsm0808_submit_dtap()
    
    Aim: msc_tx_dtap() shall redirect to IuCS or A interfaces depending on subscr
    conn.
    
    Change-Id: I30d961f16eb7b9c0ab9cc3f43198098d3f1a909f

http://cgit.osmocom.org/openbsc/commit/?id=517e0b402f6c592edaab16ab094a3c0acd8ff139

commit 517e0b402f6c592edaab16ab094a3c0acd8ff139
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri May 20 21:41:08 2016 +0200

    add libiudummy, to avoid linking Iu deps in tests
    
    Change-Id: I4a66c4122011dbc87c6fcb336ab0461b86522c98

http://cgit.osmocom.org/openbsc/commit/?id=834e25c96e84f193cd5518643cc4ef47b3a0777e

commit 834e25c96e84f193cd5518643cc4ef47b3a0777e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 14:59:02 2016 +0200

    move to libcommon-cs: gsm48_extract_mi(), gsm48_paging_extract_mi() -- TODO move to libfilter instead?
    
    Change-Id: I00ca0caf8224de029f53f4dedb1146e3cf7650ec

http://cgit.osmocom.org/openbsc/commit/?id=648f2a73b7d26767a7e0310345119871bbfbe0f9

commit 648f2a73b7d26767a7e0310345119871bbfbe0f9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 13:37:59 2016 +0200

    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
    
    Change-Id: If24007445899e9c75553a0dbf843ada3566b3380

http://cgit.osmocom.org/openbsc/commit/?id=7ac7edb123d3a8463ee59eb99693629513a0e3c0

commit 7ac7edb123d3a8463ee59eb99693629513a0e3c0
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:58:46 2016 +0200

    add msc vty, remove nitb vty
    
    Change-Id: I8f8980d6cfbf26f1b0e0197939833e55dbe521fb

http://cgit.osmocom.org/openbsc/commit/?id=79c79a968723f46aadd74323d3cf5e2cbeec4bc9

commit 79c79a968723f46aadd74323d3cf5e2cbeec4bc9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:56:06 2016 +0200

    add iucs.[hc]
    
    Change-Id: I88e981f4c31393a98ae8d61176c65c9251a6f28b

http://cgit.osmocom.org/openbsc/commit/?id=2addda1f0d0f700d103d2e9e20b16711b0f5d55b

commit 2addda1f0d0f700d103d2e9e20b16711b0f5d55b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri May 20 21:59:55 2016 +0200

    add DIUCS debug log constant
    
    Change-Id: Id347a3024fa495a1ab680db7320648d933a4018b

http://cgit.osmocom.org/openbsc/commit/?id=179a8988fb80ba9d337ef4daf48ff2ee39b153cf

commit 179a8988fb80ba9d337ef4daf48ff2ee39b153cf
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:16:45 2016 +0200

    gsm0408_loc_upd_rej(): remove bts use (used only for debug log)
    
    Change-Id: I3ac38f4b701ad8308470573260fa91a4b04c2f18

http://cgit.osmocom.org/openbsc/commit/?id=b0fe197014dbe15121c72ed49c88caa5d652688d

commit b0fe197014dbe15121c72ed49c88caa5d652688d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:05:43 2016 +0200

    gsm_04_08, gsm_subscriber: decouple lac from bts
    
    The idea is to not have a direct pointer to a bts struct (into BSC land), but a
    LAC to resolve the BSC or RNC depending on the appropriate A or IuCS interface.
    
    subscr_update(): remove bts arg, add lac arg.
    
    Pass conn->lac to gsm48_generate_lai() instead of bts->location_area_code.
    
    Change-Id: I9f2b298a785bf4b2a1b3fcdd91b8256106b2d9de

http://cgit.osmocom.org/openbsc/commit/?id=3a70ce513b86a1c6651c30ef3985e8bac14b49e0

commit 3a70ce513b86a1c6651c30ef3985e8bac14b49e0
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:06:35 2016 +0200

    subscr_update_expire_lu(): remove bts arg
    
    Change-Id: I26cafd9389aac65e53dc4280a1687c6b8bce3106

http://cgit.osmocom.org/openbsc/commit/?id=f96cbb176bdaefedd11157f0ff6c3e6db420215a

commit f96cbb176bdaefedd11157f0ff6c3e6db420215a
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:03:18 2016 +0200

    move t3212 to network level (periodic lu)
    
    Set the T3212 default value in struct gsm_network and take that value when
    creating a BTS.
    
    Adjust VTY accordingly.
    
    Change-Id: Ifb730f9d0106fe195adc30459a39290a07313b50

http://cgit.osmocom.org/openbsc/commit/?id=8a04e94f3c93c56844d35e211ac19672844b8ecc

commit 8a04e94f3c93c56844d35e211ac19672844b8ecc
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:11:50 2016 +0200

    libmsc: iucs dev: disable large parts of the code
    
    Change-Id: I3ef6ca26150b6102a0fa22a88a60d9a442d640b4

http://cgit.osmocom.org/openbsc/commit/?id=b0758294356e2437499c76f49dce9494f7ec3e8e

commit b0758294356e2437499c76f49dce9494f7ec3e8e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue May 10 12:50:31 2016 +0200

    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]").
    
    Change-Id: Idf8020a30562426e8f939706bf5c2188d5a09798

http://cgit.osmocom.org/openbsc/commit/?id=1ccd42b652a22bc84cc6f98c8a3fc6305a56d418

commit 1ccd42b652a22bc84cc6f98c8a3fc6305a56d418
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:13:32 2016 +0200

    don't use lchan in libmsc
    
    Change-Id: Ic7ed7faa2bcc7aae799f41ed4abc2c001bfb61b7

http://cgit.osmocom.org/openbsc/commit/?id=4ca12a6571117d631fdfcffac4d45f29adb527cf

commit 4ca12a6571117d631fdfcffac4d45f29adb527cf
Author: Harald Welte <laforge at gnumonks.org>
Date:   Thu Dec 24 17:06:42 2015 +0100

    gsm_04_08.c: Don't set msg->lchan nor msg->dst
    
    the BSC-side of the API behind gsm0808_submit_dtap() is doing
    this resolving again anyway.  So let's avoid doing it twice, and avoid
    having more dependency of the MSC down into the lchan details.
    
    Conflicts:
            openbsc/src/libmsc/gsm_04_08.c
    
    Change-Id: I14254be68ee1a48e9f1ce968233414d86c6ba9d5

http://cgit.osmocom.org/openbsc/commit/?id=ffe71752448cc48fd27ba68628219dd2eeb78cfa

commit ffe71752448cc48fd27ba68628219dd2eeb78cfa
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon Feb 27 16:51:43 2017 +0100

    conn timeout: implement conn_fsm COMMUNICATING state
    
    When in the ACCEPTED state, if the MS never sent any message, the conn would
    stay open indefinitely. Introduce a new state COMMUNICATING, so that the
    ACCEPTED state can timeout.
    
    COMMUNICATING starts as soon as the MS first replies with a message for CC, SMS
    or USSD negotiation. The CC/SMS/USSD code is then expected to handle timeouts
    and BUMP the conn_fsm as appropriate.
    
    Add new test in msc_vlr_test_ms_timeout.c to verify that a CM Service Request
    and Paging Response without replies from the MS time out.
    
    Explicitly test for the COMMUNICATING state in msc_vlr_test_no_authen.c, but in
    the other tests just rely on the test output validation to ensure that the new
    state is entered in the right places.
    
    Change-Id: If7c9acab9ed393874f21231a0f78464c384b3d2f

http://cgit.osmocom.org/openbsc/commit/?id=b509e276194b9bb051bbac3ce0745d071d4efcc6

commit b509e276194b9bb051bbac3ce0745d071d4efcc6
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon Feb 27 18:24:48 2017 +0100

    fix segfault: when a conn is closed, clean up its trans
    
    From conn_fsm timeouts, it is possible that a subscriber connection gets
    discarded even though e.g. an SMS gsm_trans is still in the queue. Clean up all
    pending trans when the conn is closed, to prevent segfaults.
    
    Change-Id: I17a68c8c7e8faa44f9d19029a8f82bc7936c4d52

http://cgit.osmocom.org/openbsc/commit/?id=e52c5d0a109bc8bdaad9dfe6f6bb69bef5668ea0

commit e52c5d0a109bc8bdaad9dfe6f6bb69bef5668ea0
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=6137844171d495ecd569846f8b4793fc5be76f1b

commit 6137844171d495ecd569846f8b4793fc5be76f1b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Feb 15 00:20:44 2017 +0100

    vlr: get SMS working, by SMS recipient MSISDN round-robin
    
    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.
    
    Change-Id: I1acf9debb6ba9164e6edcfd5bc5e48e8c98f2b01

http://cgit.osmocom.org/openbsc/commit/?id=628e7164d3ec440dfc5630c693cbc4a44c58806c

commit 628e7164d3ec440dfc5630c693cbc4a44c58806c
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=43e8497da24b91e5ea5fea04bee155aa813a170f

commit 43e8497da24b91e5ea5fea04bee155aa813a170f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Sun Feb 12 00:34:35 2017 +0100

    msc_vlr tests: add tests to reject concurrenct conns
    
    Change-Id: I5c04b1cf0ad302c35968e0f8dfb122997f3f7bf1

http://cgit.osmocom.org/openbsc/commit/?id=b45d8894250358f510f91f7f58b7b29ef2ac2ab7

commit b45d8894250358f510f91f7f58b7b29ef2ac2ab7
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=c3e0e6165f62322e53df4384ed27f4aeef64da38

commit c3e0e6165f62322e53df4384ed27f4aeef64da38
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Feb 3 02:42:47 2017 +0100

    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.
    
    Related: OS#1592
    
    Change-Id: I702ba504ce2de93507312c28eca8d11f09f4ee8b

http://cgit.osmocom.org/openbsc/commit/?id=b3eebe95dcee84c0d437ba9e1a21c2de58e4a002

commit b3eebe95dcee84c0d437ba9e1a21c2de58e4a002
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=488b6dc581d3b8cb02bfe418dcd8e72b7b16a859

commit 488b6dc581d3b8cb02bfe418dcd8e72b7b16a859
Author: Harald Welte <laforge at gnumonks.org>
Date:   Sun Jun 19 18:06:02 2016 +0200

    Introduce subscriber_connection ref-counting
    
    This introduces a reference count for gsm_subscriber_connection. Every
    user of the connection needs to hold a reference until done.  Once the
    reference count dorps to zero, the connection is cleared towards the
    BSC (which subsequently will clear any logical channels associated with
    it).
    
    Related: OS#1592
    Change-Id: I8c05e6c81f246ff8b5bf91312f80410b1a85f15e

http://cgit.osmocom.org/openbsc/commit/?id=71baa3e2ddad4ecbe85b6471f8e9039aa91d6ebe

commit 71baa3e2ddad4ecbe85b6471f8e9039aa91d6ebe
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Sat Feb 18 22:20:46 2017 +0100

    add struct bsc_subscr, separating libbsc from gsm_subscriber
    
    In a future commit, gsm_subscriber will be replaced by vlr_subscr, and it will
    not make sense to use vlr_subscr in libbsc. Thus we need a dedicated BSC
    subscriber: struct bsc_subscr.
    
    Add rf_policy arg to bsc_grace_paging_request() because the bsc_subscr will no
    longer have a backpointer to gsm_network (used to be via subscr->group).
    
    Create a separate logging filter for the new BSC subscriber. The implementation
    of adjusting the filter context is added in libbsc to not introduce
    bsc_subscr_get/_put() dependencies to libcommon.
    
    During Paging Response, fetch a bsc_subscr from the mobile identity, like we do
    for the gsm_subscriber. It looks like a duplication now, but will make sense
    for the VLR as well as for future MSC split patches.
    
    Naming: it was requested to not name the new struct bsc_sub, because 'sub' is
    too ambiguous. At the same time it would be fine to have 'bsc_sub_' as function
    prefix. Instead of struct bsc_subscriber and bsc_sub_ prefix, I decided to
    match both up as struct bsc_subscr and bsc_subscr_ function prefix. It's fast
    to type, relatively short, unambiguous, and the naming is consistent.
    
    Add bsc_subscr unit test.
    
    Related: OS#1592, OS#1594
    Change-Id: Ia61cc00e8bb186b976939a4fc8f7cf9ce6aa3d8e

http://cgit.osmocom.org/openbsc/commit/?id=8be6fc4df2e63aedaae5c5a00be5a419f48606c9

commit 8be6fc4df2e63aedaae5c5a00be5a419f48606c9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Feb 2 01:07:28 2017 +0100

    subscriber conn: add indicator for originating RAN
    
    Add via_ran to gsm_subscriber_connection to indicate whether a conn is coming
    in via 2G/GERAN/A-Interface or 3G/UTRAN/Iu-Interface. Prepares for Iu, but
    also for libvlr to decide between GSM or UMTS Auth.
    
    Until actual Iu support is merged to master, this indicator will aid VLR unit
    testing.
    
    At some point we may also add RAN_GERAN_IU; it's not on the agenda yet, but to
    clearly distinguish the names if we want to add it, explicitly name the ones we
    have RAN_GERAN_A and RAN_UTRAN_IU.
    
    Change-Id: I93b870522f725170e4265a5543f6b680383d7465

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