openbsc.git branch neels/sysmocom_iu_before_cscn_rename created. 0.15.0-756-g01fe3e150

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http://cgit.osmocom.org/openbsc/commit/?id=01fe3e15075a444b795b14c7dc79254212573a71

commit 01fe3e15075a444b795b14c7dc79254212573a71
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=3de62eb6ca740e5ce92e4403180edca1879de3f1

commit 3de62eb6ca740e5ce92e4403180edca1879de3f1
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=8a6b7948ced234a0587630b96f8d56d6c1c8d2a2

commit 8a6b7948ced234a0587630b96f8d56d6c1c8d2a2
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=07692b43bc666b3aef6a7cd67deca7af0ab2cb58

commit 07692b43bc666b3aef6a7cd67deca7af0ab2cb58
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=3859c8cd744fbe23b845f7a086a869fa5e1f97f9

commit 3859c8cd744fbe23b845f7a086a869fa5e1f97f9
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=2554ffa8b5492076aa0ca331d9657c8611a55d5a

commit 2554ffa8b5492076aa0ca331d9657c8611a55d5a
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=c502611d537f87785e72b451104395e7da809d2d

commit c502611d537f87785e72b451104395e7da809d2d
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-cscn 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-cscn and
    osmo-sgsn. Add generic iu_vty_config_write() to write out the config.
    
    Call iu_vty_init() from cscn_vty_init(); cscn_vty_init() is in libmsc,
    hence linking of osmo-cscn now needs libiu to come after libmsc, so move
    that further down.
    
    Change-Id: I93728314742b327336f3fb6de98e6457f687e1f9

http://cgit.osmocom.org/openbsc/commit/?id=dfcd63110a7fe2c7e3c3a08a296bf2e044631d2d

commit dfcd63110a7fe2c7e3c3a08a296bf2e044631d2d
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=c77e503e29ae3280bc78b5de083a15433a8c4a71

commit c77e503e29ae3280bc78b5de083a15433a8c4a71
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=53fcf56ea78667e4ac8081a1a324c3912317c4bf

commit 53fcf56ea78667e4ac8081a1a324c3912317c4bf
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=f3012073a2126c20456dc9b0de24bf57ca582c6b

commit f3012073a2126c20456dc9b0de24bf57ca582c6b
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=8dd8457efca5b512cac2a8cb923d2a4c37c698f9

commit 8dd8457efca5b512cac2a8cb923d2a4c37c698f9
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-cscn 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-cscn 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=4f2217f01ed621b0ec53f0c4dd1333acd76950de

commit 4f2217f01ed621b0ec53f0c4dd1333acd76950de
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-cscn 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=523b9e96d031728c0204891341aa73815e5a3478

commit 523b9e96d031728c0204891341aa73815e5a3478
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Tue Oct 11 01:05:22 2016 +0200

    IuCS: detect whether a conn is already secure
    
    If a CM Service Request is received on an already secure IuCS connection,
    we so far didn't notice and started to authenticate again. The UE would
    readily renew its authentication, but then our state got stuck since
    ciphering was already established. Instead, don't authenticate again when
    integrity protection is already established.
    
    Change-Id: I3c01fe58276ba0ad918f2cd30cc3dca7c6663e68

http://cgit.osmocom.org/openbsc/commit/?id=c5122598862a25ef5e2b0249e3cf51ac42e8405e

commit c5122598862a25ef5e2b0249e3cf51ac42e8405e
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=9221321c4b557f10f192a30fa6797355f372627c

commit 9221321c4b557f10f192a30fa6797355f372627c
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=030c4778783da36f761dcb20af23dbb98586f797

commit 030c4778783da36f761dcb20af23dbb98586f797
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=9245b7ce593f0b1c51a3c1dee3ba1bf5d74a6c39

commit 9245b7ce593f0b1c51a3c1dee3ba1bf5d74a6c39
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=c3e30e6eef4b138e5387e84806aed1bda38a6736

commit c3e30e6eef4b138e5387e84806aed1bda38a6736
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=6ebde7c0299f73f2ff5854e7c2ca80247bba82cc

commit 6ebde7c0299f73f2ff5854e7c2ca80247bba82cc
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=fcf3291e16d236170944944b04c615e7e9818df6

commit fcf3291e16d236170944944b04c615e7e9818df6
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Sep 22 20:21:10 2016 +0200

    cscn: 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=88711ff148346fde094bae23f5b6bc191b6c04e2

commit 88711ff148346fde094bae23f5b6bc191b6c04e2
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-cscn is going to use this to route RTP streams (for 3G at first).
    
    Change-Id: I6fe365c4c89207f2172943cc456b508a207b1135

http://cgit.osmocom.org/openbsc/commit/?id=631d9ccbd56eda64aa0cee7ea05873fe17ab3209

commit 631d9ccbd56eda64aa0cee7ea05873fe17ab3209
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=a389a6152795f7b80106dcdd005b742d46c8cd0f

commit a389a6152795f7b80106dcdd005b742d46c8cd0f
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=08e61880f79b3c3cd330ac5a6933a8753a1092a0

commit 08e61880f79b3c3cd330ac5a6933a8753a1092a0
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=6ce84ae0a201bea19068a29f903f561a1e95f304

commit 6ce84ae0a201bea19068a29f903f561a1e95f304
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=221bd937ea9bb7d1d413395468fc2f5b78d58c32

commit 221bd937ea9bb7d1d413395468fc2f5b78d58c32
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=fd0d60fda64be54ffc6d63672389de26bafcde22

commit fd0d60fda64be54ffc6d63672389de26bafcde22
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=2238f8ee99fd7243c2e17224149e316cae864a01

commit 2238f8ee99fd7243c2e17224149e316cae864a01
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=b4ad77884b56fc8dde0e620db12cd9fa74e1a31f

commit b4ad77884b56fc8dde0e620db12cd9fa74e1a31f
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=9164ed6faa132aa94a1088c545730357364db845

commit 9164ed6faa132aa94a1088c545730357364db845
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=9adf4c7a40e2906e735ab2f00c265c066b26d03f

commit 9adf4c7a40e2906e735ab2f00c265c066b26d03f
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=5b75a3983b26f6456826a2ce03275c89b171f376

commit 5b75a3983b26f6456826a2ce03275c89b171f376
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=96f3034784c5f4a46751fe2e6dafea65a0fc5036

commit 96f3034784c5f4a46751fe2e6dafea65a0fc5036
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=506605e0a4d3faa8203304aed7cc9c05514b0381

commit 506605e0a4d3faa8203304aed7cc9c05514b0381
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=68173bfc25765a6329ea489d5c7d80b9fc36c9cc

commit 68173bfc25765a6329ea489d5c7d80b9fc36c9cc
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=e8f30529746333f825b462cd202811352cadaeb2

commit e8f30529746333f825b462cd202811352cadaeb2
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=dae6b39b5915e962060b0f0402cb498d5d2d46be

commit dae6b39b5915e962060b0f0402cb498d5d2d46be
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=c85d4b87f59bd8c856c210063f84eaa7c3208fe2

commit c85d4b87f59bd8c856c210063f84eaa7c3208fe2
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=447e280fa2bbf48e4c7c2a47dce5d6be6ac0e789

commit 447e280fa2bbf48e4c7c2a47dce5d6be6ac0e789
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=fcb6e195b1bd912723a82bbb1cff43e311689abb

commit fcb6e195b1bd912723a82bbb1cff43e311689abb
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=e094126930aff2e8ecabeff981eb1f3cbe55f424

commit e094126930aff2e8ecabeff981eb1f3cbe55f424
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=f09f6e303f3143309e622ef42c2af4d960391289

commit f09f6e303f3143309e622ef42c2af4d960391289
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=326a98e1872a5ecc4db53e05f6d1f52be196b259

commit 326a98e1872a5ecc4db53e05f6d1f52be196b259
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=c34d654d91b9fad0cf9c8e32b6a3182c2a36b225

commit c34d654d91b9fad0cf9c8e32b6a3182c2a36b225
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=a435e34f0065c23339fcf95d8936feaafc8325e1

commit a435e34f0065c23339fcf95d8936feaafc8325e1
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=383b8505289aa272a44ceb3bba5bfe169c19b56a

commit 383b8505289aa272a44ceb3bba5bfe169c19b56a
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 15:06:55 2016 +0200

    move subscr auth check to gsm_subscriber.c
    
    add subscr_authorized(), subscr_authorized_imsi()
    
    Change-Id: If2ef06b1229351127c61477ca14653d6ae4cb6bb

http://cgit.osmocom.org/openbsc/commit/?id=2c750f19e0098827d30d99d87b869458658bf77b

commit 2c750f19e0098827d30d99d87b869458658bf77b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Aug 12 16:11:25 2016 +0200

    auth log
    
    Change-Id: Icd9f8505388a06ee768d2176cb2b9187953098ef

http://cgit.osmocom.org/openbsc/commit/?id=5f1cb5bfc3e041fcd91fd223ce60a1bfdcfad8f4

commit 5f1cb5bfc3e041fcd91fd223ce60a1bfdcfad8f4
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Aug 12 16:09:46 2016 +0200

    iu auth wip
    
    Change-Id: Icc2522252cf15c54f1a1ea5255314a0de8bfba03

http://cgit.osmocom.org/openbsc/commit/?id=0648e796406489ce4a35ec54514451a32db488ac

commit 0648e796406489ce4a35ec54514451a32db488ac
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=1bed088a4916e3761738c664a0ffc711778cf9ba

commit 1bed088a4916e3761738c664a0ffc711778cf9ba
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Fri Aug 12 16:21:32 2016 +0200

    cosmetic prep: change int -> bool authorize_subscriber()
    
    Upcoming function subscr_authorized() will flip this to bool, so separate
    this change cosmetically.
    
    Change-Id: Iba0184a71afa01141ef06c474cb554e79ad8f5d5

http://cgit.osmocom.org/openbsc/commit/?id=baf9a1d6001342a82cc2383f1e2bcd16d1b55d12

commit baf9a1d6001342a82cc2383f1e2bcd16d1b55d12
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=169a8cf586cfde06002d4ea2878f4650be5808ba

commit 169a8cf586cfde06002d4ea2878f4650be5808ba
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=2817e699ac312e03ce7a1715c22f1f3f0afd087f

commit 2817e699ac312e03ce7a1715c22f1f3f0afd087f
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=88f938aec27b079fc282d5942e3159819fa31218

commit 88f938aec27b079fc282d5942e3159819fa31218
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:57:14 2016 +0200

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

http://cgit.osmocom.org/openbsc/commit/?id=831daf51f42f57d61896101afcddbfe08e7cbfaa

commit 831daf51f42f57d61896101afcddbfe08e7cbfaa
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=9f184d950cfdeef0c33cdb0dec768458c3022f86

commit 9f184d950cfdeef0c33cdb0dec768458c3022f86
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:46:23 2016 +0200

    msc_release_connection(): don't call gsm0808_clear()
    
    gsm0808_clear() is all about clearing lchans. To be able to link libmsc without
    libbsc, don't call it directly.
    
    Change-Id: I149146fc3cb99ef4a21ee2a798231bb070f398cd

http://cgit.osmocom.org/openbsc/commit/?id=a111e13671ae0017dbda5328bf9b8490a14c2c70

commit a111e13671ae0017dbda5328bf9b8490a14c2c70
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 CSCN 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=eafcf66a18ae450baee4b9e96406b28be6718793

commit eafcf66a18ae450baee4b9e96406b28be6718793
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=a7319717947372a677d1dd8f0504cc8c9926b364

commit a7319717947372a677d1dd8f0504cc8c9926b364
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=4db381b3cc0b8f0357d5b41c2fa4e3b55f054d3a

commit 4db381b3cc0b8f0357d5b41c2fa4e3b55f054d3a
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=e1707d48b2caf226dec515e709efdff51868470d

commit e1707d48b2caf226dec515e709efdff51868470d
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=7c30bc784a628db0a0ab439bc624df209b18dae9

commit 7c30bc784a628db0a0ab439bc624df209b18dae9
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=4703561fc66dfb54ad9cf6811e5cf78cebd034b5

commit 4703561fc66dfb54ad9cf6811e5cf78cebd034b5
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 30 14:58:46 2016 +0200

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

http://cgit.osmocom.org/openbsc/commit/?id=5d7a713e32eda9f50d6c44cbbc7b8372fea63898

commit 5d7a713e32eda9f50d6c44cbbc7b8372fea63898
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=6759ac79d86b1bf4592bdd6f4d506826dd5d271f

commit 6759ac79d86b1bf4592bdd6f4d506826dd5d271f
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=74d94e0aba37b3161eec176347741652d345d15e

commit 74d94e0aba37b3161eec176347741652d345d15e
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=9f6a41e0975e17677b6710a317e7bbc2e154511d

commit 9f6a41e0975e17677b6710a317e7bbc2e154511d
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=67893249684b90eca5a4531c4654b164f6cf0c4d

commit 67893249684b90eca5a4531c4654b164f6cf0c4d
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=b6d6086d2bd9610ca1e0fb022c776d6c0386c361

commit b6d6086d2bd9610ca1e0fb022c776d6c0386c361
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=248cc90f8de1f4d3017dfe123c884739da83940d

commit 248cc90f8de1f4d3017dfe123c884739da83940d
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=b583f7b07b7725a589eb53ef3d151ceee28e833c

commit b583f7b07b7725a589eb53ef3d151ceee28e833c
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 via_iface marker to gsm_subscriber_connection with enum values IFACE_A and
    IFACE_IU so far.
    
    Add Iu specific fields in a sub-struct: 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=aab55eaf8962446136fb47b7c03e9204c340e67d

commit aab55eaf8962446136fb47b7c03e9204c340e67d
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=115b6a9b79e8fb622c01663ab3b7a541ffd52b1b

commit 115b6a9b79e8fb622c01663ab3b7a541ffd52b1b
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

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