openbsc.git branch sysmocom/iu updated. 0.15.0-643-ga0cf349

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Mon Dec 5 14:00:04 UTC 2016

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The branch, sysmocom/iu has been updated
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commit a0cf349272fbfa526aaba18c939056f33f53e005
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Oct 18 20:20:51 2016 +0200

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

commit d1110a43b657c8bdc894d251cc5382cb2f99f249
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Oct 18 18:38:59 2016 +0200

    mgcp parsing, mgcp test
    Change-Id: Ibe2ab17b3fa3a506a2e841ba979ea4175e3a21e8

commit 1dfa1607b61938f647744125d8a8e3edfe1a48d1
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Oct 14 17:56:17 2016 +0200

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

commit 1e0c9a50cf2453de9ce4806e65a5f52033c283c9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Oct 12 02:53:55 2016 +0200

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

commit 56e15b5f555f6dd00cacbfa2db071a229e73d777
Author: Neels Hofmeyr <nhofmeyr at>
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

commit b394f5c97fc78efd0001152e90c9e8882ccc5f7d
Author: Neels Hofmeyr <nhofmeyr at>
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

commit f575616bf3117fc856a8a0995c6d48ec8352bdc0
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 61437a8b062aa00eb9046172e8fa4f7d09530348
Author: Neels Hofmeyr <nhofmeyr at>
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
    Change-Id: Iccbadfe1585ba224f74cdfb5273b5ce29b6d78f0

commit 3903762ac8b61341c97937303822616d62f98688
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 2461808a772031eedfee598df98e48d873929253
Author: Neels Hofmeyr <nhofmeyr at>
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
    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
    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

commit c3d730901c02e40d0172fe8e8b15105c3d7451d4
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 7fa35aa55af10ec8fd3f544d11e97c44631922a1
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 4294c86bf48015d635722dfd77d0deccaea90a24
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Sep 20 18:18:26 2016 +0200

    mgcp dbg log
    Change-Id: I56fda48edaa92abfc6e3886cdfce733bb0686f73

commit 736c4d5b5dca1f4d35dce395ec77b5f7defceef5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Sep 22 20:00:16 2016 +0200

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

commit c1eea7bbc952ebd3b35fdd2fbd0991055cf55cf7
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Sep 19 18:30:49 2016 +0200

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

commit de53d0f6540927fcac2aeb28fd5504ea0d57b40f
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Sep 22 20:28:35 2016 +0200

    bridge calls via mgcpgw
    Change-Id: Ie259e30bc532fe9817c96562022ac33443d5747a

commit 992b12804d11d9a3e675a06f132c869b04d12eb2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Sep 22 20:29:30 2016 +0200

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

commit d4ac34fed88a8a036540d7299318dea0442b59f1
Author: Neels Hofmeyr <nhofmeyr at>
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
    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

commit b04df785e5fffa2556ca7ec1b8a22cfab2fdbe32
Author: Neels Hofmeyr <nhofmeyr at>
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

commit fcf7dc8dd41bfac1fec7e3c0fb3d72d017fd6a2c
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 1357110280b5388962939fad5f4763609f665de3
Author: Neels Hofmeyr <nhofmeyr at>
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
    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

commit 2820519d82f421f9be6b72195721de25113e04f0
Author: Neels Hofmeyr <nhofmeyr at>
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

commit ea9f1b46e5f286d432cdada36efe9af3a989e245
Author: Neels Hofmeyr <nhofmeyr at>
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

commit ad86707de3933400f0a5c3606fb4534724f6f05b
Author: Neels Hofmeyr <nhofmeyr at>
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
    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

commit b17e8a6d86c6a42a37c5b7bf8de9a2ff22a51362
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 5031f682f25343b695661ed97447915ca573811f
Author: Harald Welte <laforge at>
Date:   Mon May 2 08:34:57 2016 +0200

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

commit 299bc92bb5998c2e7a18a7fe8befc75daed45ea9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 13:20:54 2016 +0200

    cosmetic: make gsm0408_loc_upd_rej() static

commit 234a10a9f4cef8a498571b22a22c5a2f58193fa4
Author: Neels Hofmeyr <nhofmeyr at>
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.

commit 95d13131f3ab99772f080be9b23453c36cf4d139
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:21:52 2016 +0200

    remove handle_abisip_signal()
    Change-Id: I9cf80f9c2c8a53a29e42f000029e680a9922cb41

commit 35dc822b36460c0ddf497ee52aa4cd88924b7cb2
Author: Neels Hofmeyr <nhofmeyr at>
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.

commit 5cea316f46db3090bc9639dedc62ae7647d385d6
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:24:12 2016 +0200

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

commit 738aecd9bb7144cf841ef22c33b3e4298b51b79a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:11:39 2016 +0200

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

commit eca7c1054e40b635535aaa7c6f2d238b3ad73823
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:09:47 2016 +0200

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

commit f43f48c5cc9a47548b274169aa3a7ed0043ac1cc
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:26:47 2016 +0200

    comment on mscsplit, indent comment

commit dd5fdcbd7512773ea4d275ced1eef381b301b026
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:44:39 2016 +0200

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

commit ff1685e2baa462671b7830f32b195fe255406d10
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:59:16 2016 +0200

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

commit 66bf25e2d1544e767932638a529c4f51ab478cc3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 14:21:58 2016 +0200

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

commit f44723adf5152773a5c0db944749da8ed78bf571
Author: Neels Hofmeyr <nhofmeyr at>
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

commit f9c638e91cb158577bc2818a78eeeb35ddb5c43e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu May 12 02:14:33 2016 +0200

    move to libmsc: osmo_stats_vty_add_cmds() -- todo MSCSPLIT

commit c3497b5aac89d7dc66c3042d15032b2605bb901c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 14:04:28 2016 +0200

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

commit 085d86592a17c77ad129d1a681c096efe1ffa607
Author: Neels Hofmeyr <nhofmeyr at>
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

commit ea164738635b2c17af2a947f7437b28a9f9578b4
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:57:25 2016 +0200

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

commit 537a7d88dfab7f85b31ca5f67946f7a8b6c0816a
Author: Neels Hofmeyr <nhofmeyr at>
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.

commit 79f305b4a96af5736f3ab6256bcca776ad310825
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 9264cca7392759c3d379f06874465a4fdac0a765
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 58660ea0cd3bcb67ddddac9ebbe2540f67bb4317
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Aug 12 16:11:25 2016 +0200

    auth log
    Change-Id: Icd9f8505388a06ee768d2176cb2b9187953098ef

commit 912e027f0d4b3e7b362ff3f5f7cca12ed8f27c79
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Aug 12 16:09:46 2016 +0200

    iu auth wip
    Change-Id: Icc2522252cf15c54f1a1ea5255314a0de8bfba03

commit c9e44fbdde2f0f00265c69ba5a1e5b298f11345c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Aug 12 16:03:09 2016 +0200

    Iu auth wip
    Change-Id: I44effcca80dc6850178174dc957bcd5608b0ae14

commit 706147616393286993706c0391a8f17024bd93ec
Author: Neels Hofmeyr <nhofmeyr at>
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

commit e355813d999bf096d056ec4d09970a56ef9bc700
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:07:23 2016 +0200

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

commit f40035ddf1997d39701af96fcd8334fe4057fe29
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:05:13 2016 +0200

    move subscr_request to gsm_subscriber.h
    Change-Id: Idbbd39b0e068da17aafa97e315143509c69c50ea

commit 42dd254135b8c46d29a7d54544d33b533902bfb2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:01:01 2016 +0200

    add gsm_encr to subscr_conn
    Change-Id: Id5797cd1f1bfa2cca2d3fbabc1981aa75546421b

commit 950da6b72429056812bbc89cf37b155cb8dcd3d3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:57:14 2016 +0200

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

commit 17d0deeff1eeee093eab17b6421757bf1dd3f13d
Author: Neels Hofmeyr <nhofmeyr at>
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.

commit d2b9b94443fee2814e670a945248f4e041c0c533
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 9a0064edc26eaec13b8be4ad3973a211d8e4d666
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 648caf204360946eb4ff65a558d1c49fe1803711
Author: Neels Hofmeyr <nhofmeyr at>
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

commit e6d9e2aae830950387e2eb4539efd490f810315b
Author: Neels Hofmeyr <nhofmeyr at>
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
    Change-Id: I30d961f16eb7b9c0ab9cc3f43198098d3f1a909f

commit 59b2788338c869227a42a92ff1e5a07c82dd4646
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:41:08 2016 +0200

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

commit 29c30d314abd8c4d3d8abe9115e801a6984f8ed4
Author: Neels Hofmeyr <nhofmeyr at>
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

commit bf1c9825ffda0bddcba1030a21715e07109c5b12
Author: Neels Hofmeyr <nhofmeyr at>
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
    Make callable from other scopes: publish in osmo_msc.h and remove 'static' in
    Change-Id: If24007445899e9c75553a0dbf843ada3566b3380

commit 67aa95b1682149fde3d03cd4ce388ed240aa54db
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:58:46 2016 +0200

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

commit 3cf3b9e16cb5b34dd7264a67f9f3772ba8be2f05
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:56:06 2016 +0200

    add iucs.[hc]
    Change-Id: I88e981f4c31393a98ae8d61176c65c9251a6f28b

commit 04cab766a7f9439d4c5ccc067433552b87b28a50
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:55 2016 +0200

    add DIUCS debug log constant
    Change-Id: Id347a3024fa495a1ab680db7320648d933a4018b

commit a1bc44157e9122fb12a5f46ab6ac7cfa0e9dac41
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:16:45 2016 +0200

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

commit bb6c46e8c6007c188bcea97fc7a043776fe9a58d
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 6ffbd2f46049533f724373c3f59d9a08c87dfe5b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:06:35 2016 +0200

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

commit 6bd0150a0f9e292d548aeb03ae8693426efe173c
Author: Neels Hofmeyr <nhofmeyr at>
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

commit 4b6031e9ff8048ce641477debde255e658333863
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:11:50 2016 +0200

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

commit 895ff84ec321b3b2135d08479177363bf5531d90
Author: Neels Hofmeyr <nhofmeyr at>
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

commit e9bfec0166ff28addffe786c242b067b5bf9f471
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:13:32 2016 +0200

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

commit 4d58989b3afe13b3cb29613eed3cd26426281ed4
Author: Harald Welte <laforge at>
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.
    Change-Id: I14254be68ee1a48e9f1ce968233414d86c6ba9d5


Summary of changes:
 openbsc/src/libbsc/abis_om2000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)

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