openbsc.git branch sysmocom/iu updated. 0.15.0-278-g4bad75d

gitosis at gitosis at
Mon Feb 22 15:50:20 UTC 2016

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)".

The branch, sysmocom/iu has been updated
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             N -- N -- N (4bad75d8ad47ca6c08b39f8f9f911d21affefb35)

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- Log -----------------------------------------------------------------

commit 4bad75d8ad47ca6c08b39f8f9f911d21affefb35
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 22 15:59:17 2016 +0100

    gprs: Handle GMM service request (Iu mode only)
    Iu mode has a GMM service request message which a UE in PMM-IDLE mode
    can use to switch back to PMM-CONNECTED mode.

commit 5e8fbe7bda5209580b59fabe208d2dfa7d0ddff1
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 22 10:34:32 2016 +0100

    osmo-bsc: Pass gsmnet to bsc_vty_init()

commit 2bb80de919f936e65c9a08f80a60a495d5a23c04
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Feb 21 12:21:35 2016 +0100

    libmsc/smpp: disable lchan access for now
    To make the IuCS build work, disable the BSC-land access from MSC's SMPP code.
    Some way shall be found to make the Osmocom vendor-specific SMPP TLVs work over
    the A-interface (after the MSCSPLIT), but we're concentrating on IuCS for now.

commit 464718a4efd0a64f69e46890b55216c322aa54e0
Author: Daniel Willmann <dwillmann at>
Date:   Sat Feb 20 11:02:42 2016 +0100

    libmsc: Don't use bts field of gsm_subscriber_connection
    Use gsm_subscriber_connection does not have a bts field if building as
    libmsc. Use network directly.

commit f0ee5282fe8380b5c6c438e4c1fcb7ed0601abf4
Author: Daniel Willmann <dwillmann at>
Date:   Fri Feb 19 16:59:08 2016 +0100

    sgsn: fix use of opaque RANAP_RAB_SetupOrModifiedItemIEs_s decl

commit 21198144cd477eec32de8cbb66de3cbe749ccbc3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Feb 18 22:51:38 2016 +0100

    cscn: fix use of opaque RANAP_RAB_SetupOrModifiedItemIEs_s decl

commit 5879a037a4399d413585db4c6fb175b740a47268
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Feb 18 22:42:07 2016 +0100

    iu.h: fix opaque declaration of RANAP_RAB_SetupOrModifiedItemIEs_s
    struct RANAP_RAB_SetupOrModifiedItemIEs_s; may be declared, but not the
    corresponding typedef. It leads to a redefinition error in our coverity

commit 0e21b587d5d600d4df5e1467437dc23d49b083f8
Author: Daniel Willmann <dwillmann at>
Date:   Thu Feb 18 15:59:01 2016 +0100

    Revert "iu.c: avoid warning by declaring ranap_free_rab_setupormodifieditemies()"
    There should be no need to silence this warning, the ranap_free_*
    functions are declared in libranap headers. In any case this will only
    obscure any real issue. Maybe osmo-iuh was not rebuilt completely
    (including generation of the c files from the python script).
    This reverts commit 05ae5b1245f95bf765b42e49af7b2596e013f0a0.

commit d9bc38a8c66fdcc0a1c94c47ce08a921e7279ac6
Author: Daniel Willmann <dwillmann at>
Date:   Thu Feb 18 15:51:06 2016 +0100

    libiu: Use custom setupormodifieditemies function
    The one generated by the python script doesn't really do what we want.
    Instead of futzing around with the script again just write our own

commit 72479e0aaefb444a71a9d7de9327e0738201f06f
Author: Daniel Willmann <dwillmann at>
Date:   Thu Feb 18 15:50:30 2016 +0100

    libiu: Indicate in log where we don't handle a specific message

commit bcd3b0c70f4c01c3bde41441c42f3b41da6d318f
Author: Daniel Willmann <dwillmann at>
Date:   Thu Feb 18 15:46:52 2016 +0100

    libui: Don't assume gsm_network and gsm_subscriber_conncetion in libiu
    The sgsn uses other data structs so don't require them inside libiu.
    Instead keep a private list of ue contexts and iterate through that.
    This commit reverts the libui changes of commit

commit ed17c8bed2cf735d139bf1e7fcdd05b838718407
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 16 13:13:31 2016 +0100

    iu.c: avoid warning by declaring ranap_free_rab_setupormodifieditemies()

commit 98d198c50fe7a4c916190b16a9e80b2078420a5f
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 16 13:11:45 2016 +0100

    add tests/libiudummy

commit 1782e83b5d7c69d39cda6e1250044775642ff4ee
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 16 12:07:47 2016 +0100

    msc: define extern iu_tx()

commit aa05d79c4df4907a589966328c9dfc7b937581eb
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 16 12:03:01 2016 +0100

    gsm0408_rcvmsg_iucs: remove unused link_id arg.

commit 3b3c96a92779bc6acae28ec81adf08a819ec71c3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Feb 16 11:53:22 2016 +0100

    msc: implicitly link to iu_tx, don't have callbacks.
    This is more akin to the way openbsc do, as well as less code.

commit 74dfb752c46236b2d26306b3d24ff22fa7004586
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 20:50:04 2016 +0100

    gprs/sgsn: Use RAB assignment response cb in PDP context activation

commit 0ded3f5dd30a033e45d25ccd27746a4851c8ebf5
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 20:49:13 2016 +0100

    osmo-cscn: Add dummy function for RAB assignment response

commit fc36afc4683cdfc008c277d9efb401cb3ff5a2fd
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 20:47:49 2016 +0100

    libiu: Add support for RAB assignment response callback

commit 9d593a758c62c983e158b328b096728784f5935c
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 20:45:35 2016 +0100

    sgsn_libgtp: Update rab (de)act function names to libui version

commit b5378d0c2619132304a9f72ad58f798f804f7e10
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 20:39:12 2016 +0100

    sgsn_test: Make sgsn_test compile again after libui change

commit c70461b4b8f91b857f56a4129fc80e7e27a604d7
Author: Daniel Willmann <dwillmann at>
Date:   Wed Feb 3 15:50:41 2016 +0100

    sgsn_iu/libgtp: Update pdp context with new IP address after RAB assign
    In the IU case the RNC and ggsn communicate directly on the user plane.
    Since the IP address of the RNC is not known in our case (it sits behind
    the hnbgw) we need to update the PDP context with the new IP address
    after receiving the RAB assignment response (which includes the IP

commit f68a3f1f71293f2e0d2e51a7a8d506f8f039b76b
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 13:58:35 2016 +0100

    sgsn_iu: Parse the RAB assignemnt response and get pdp ctx form it
    The RAB assignment response includes the gtp teid that we sent along in
    the assignment request. Retrieve the correct pdp context from there and
    activate it.

commit 37d2c5754fc7e79bdabbea884261bc5be63fe063
Author: Daniel Willmann <dwillmann at>
Date:   Wed Feb 3 15:20:28 2016 +0100

    sgsn: Add a function to return the pdp ctx for an mm ctx and tei

commit d9b30a7d637484748bf7ee0e72cf809619f7ea8a
Author: Daniel Willmann <dwillmann at>
Date:   Wed Feb 3 15:17:42 2016 +0100

    sgsn: Get gtp ip and teid from pdp context in gprs_iu_rab_act()

commit 2433a41696f9d8d849a049b39be830e08c3319d8
Author: Daniel Willmann <dwillmann at>
Date:   Wed Feb 3 11:35:50 2016 +0100

    gprs_gmm: Apply the auth hack only for UTRAN_Iu RAN type
    Try to limit the effect 3G support has on the remaining code base. The
    sgsn test still fails, but at a later test.

commit c8a3a6210748fc3ac97d4be54b9cf3a0e48be933
Author: Daniel Willmann <dwillmann at>
Date:   Wed Feb 3 11:30:57 2016 +0100

    tests/sgsn: Fix compilation of sgsn_test
    The sgsn test still fails, but at least it is compiling again..

commit 0ff8dd4c6ddaf891541d651d18398b44cc6141fa
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 13:46:39 2016 +0100

    sgsn_libgtp: Use the address provided by the GGSN for RAB activation

commit a60faa7d333943a52575559927aaf5855550382c
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 13:45:27 2016 +0100

    gprs: Fix some misleading comments

commit 669c7a4b522886c5a096e56e2a24644add3238c8
Author: Daniel Willmann <dwillmann at>
Date:   Mon Feb 15 11:55:47 2016 +0100

    WIP: Wait for radio bearer before sending pdp context accept

commit 7c625a5d9620280eed3bc443d7b9d99cc0ba415a
Author: Daniel Willmann <dwillmann at>
Date:   Mon Jan 25 16:55:00 2016 +0100

    HACK: ranap_decode_rab_setupormodifieditemies crashes so disable it

commit 0e8157fa305da5350299913547e93c281ca8eb0f
Author: Daniel Willmann <dwillmann at>
Date:   Mon Jan 25 16:53:20 2016 +0100

    sgsn_iu: RABAssignment response is an Outcome, not a Successful one

commit 536013e28d07722aafe3f7994a75ea4b1ff42a54
Author: Daniel Willmann <dwillmann at>
Date:   Mon Jan 25 16:49:53 2016 +0100

    gprs_gmm: Fix bit mask when determining update/attach type
    Bit 4 is reserved in 3GPP TS 04.08 so exclude it from the type.
    In 3GPP TS 24.008 it indicates if a follow-on request is pending by the
    MS, but only in Iu mode. According to the spec it is not required to
    react to that request with a follow-on proceed so this field can be
    ignored for now.
    See 3GPP TS 24.008 Ch. 4.4:
    "Unless it has specific permission from the network (follow-on proceed)
    the mobile station side should await the release of the RR connection
    used for a MM specific procedure before a new MM specific procedure or
    MM connection establishment is started."
    as well as Ch.
    "If the network wishes to prolong the RR connection to allow the mobile
    station to initiate MM connection establishment (for example if the
    mobile station has indicated in the LOCATION UPDATING REQUEST that it
    has a follow-on request pending) the network shall send "follow on
    proceed" in the LOCATION UPDATING ACCEPT and start timer T3255."

commit 7ba8a537b245bc3354341dacbb4c1ba147b0a373
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Feb 14 23:23:06 2016 +0100

    doc: rename nitb graph to bsc, add msc graph
    NITB is already gone from this branch. We may even resurrect it, but I prefer
    to name the realms 'libmsc' and 'libbsc', hence the nitb graph is the BSC graph
    now. Also add a libmsc graph.

commit 8c27bdbe0524b11171cf8271e67ca43920fca20e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Feb 14 23:19:55 2016 +0100

    doc: add lists to nitb graph

commit e251bcbd59e757349320078c617453ae5feffd2e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 14:58:33 2016 +0100

    cscn: use iu_tx for msc_ifaces.iu_cs. some #include cosmetics.

commit 91ceb617b83b37b81b1825292ff50458145e438d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 14:43:27 2016 +0100

    mscsplit: fix compilation and comments. move msc_api.h.

commit d131165113282f92fc68e61311e18ccf2c7035ca
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 14:28:11 2016 +0100

    mscsplit: getting grips on header scopes

commit 190ea686f053488ba4e91b01b8f72044737065b4
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 12:19:06 2016 +0100

    msc: clarify msc_api and msc_ifaces scopes

commit 06792505080b2f1e1c024d4d8fc3b075f53aca39
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 12:00:06 2016 +0100

    rename IFACE_IUCS to IFACE_IU

commit fd4933787342b2d89935a4942df5842c111d3c5f
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 11:57:20 2016 +0100

    cscn: rename msc_api

commit 4fa4c4e6ef17d88135f63b2bec2d281cdb9aa4a0
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Feb 12 11:54:04 2016 +0100

    cscn: some file moves/renames

commit d6964f7e793bde99a0ea4ba6762e03f86269ce82
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Feb 11 21:30:12 2016 +0100

    mscsplit: remove osmo-nitb, it starts to cause linking hell.

commit 491e396371977c015dc0636cc163537d2093babb
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Feb 11 01:28:06 2016 +0100

    cscn wip: direct dtap responses to IuCS

commit fc03b81298867e097447096fd90d600fc3d911b1
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Feb 11 01:28:28 2016 +0100

    cscn: fix missing network backpointer

commit 1cfb25de8516c45873255de570245d4698a5208e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 10 23:48:13 2016 +0100

    cscn: own talloc root and gsm_network instance; misc.
    Heading towards a sovereign CSCN.

commit b1bbb286b29272f660bab2bdf3ae52bf260eda15
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 10 23:45:37 2016 +0100

    mscsplit: exclude some more vty nodes

commit c763275150dd302895c088ef6f02b86d8ba2f559
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 10 23:45:00 2016 +0100

    cosmetic: remove unused extern.

commit b3669f942257b2da8b1dafcc175277963e4cf5e3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 10 23:44:26 2016 +0100

    introduce vty CSCN_NODE, cosmetically.

commit f1f80147787322b3aeff351d4fd30f1932d7fb95
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Feb 10 23:42:17 2016 +0100

    mscplit: try to clarify root talloc ctx and global gsm_network.
    The aim is to allow osmo-cscn to pass its own root talloc context and
    global gsm_network struct instance cleanly. This may stir up some old and
    dusty globals, but I hope it's for the better, since not all is a BSC.
    To ensure that a global gsm_network pointer for the bsc_vty is set, have it as
    argument to bsc_vty_init(). The vty configuration commands are added only after
    bsc_vty_init(), which are needed to configure the network struct. So split up
    the bsc_bootstrap_network() function into bsc_network_init() to allocate a
    gsm_struct, and bsc_network_configure() to read the config file once the vty
    commands are in place. In this way, no global bsc_gsmnet pointer is needed for
    the bsc vty. The atomic super glue is dissolved and osmo-cscn will be allowed
    to have a different name for it.
    Admitted, it's still called the bsc_vty, but a split thereof is probably coming
    soon, because the CSCN doesn't want any of the BSC nor BTS specific vty

commit 1e23c5b86d5102ec28ffe8d52c0093ab10fc471e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Feb 8 22:14:07 2016 +0100

    mscsplit: remove bts and lchan pointers from libmsc
    The diff between this and master will probably need a lot of review and fixes.
    The current state does compile, but I expect pretty much everything to be
    broken now. Future development will reinstate proper functionality piecemeal.
    The first goal is to get basic signalling to work, then SMS. The voice control
    (RTP) is completely disabled now (see "#if BEFORE_MSCSPLIT") and will be fixed
    last AFAICT.

commit 8eb976ce06983e625865399fa8a6054af83e0cc3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 15:04:56 2016 +0100

    cosmetics: link_id=42, s/Iu-CS/IuCS, debug logs.
    Until I get the proper link id from the SUA SAP, make sure we recognise it
    as hardcoded by setting it to 42.

commit d6219b3df95af04a1f2c241caa459475b03513d9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 14:27:22 2016 +0100

    cscn: allocate IuCS conn, properly return rc.

commit 5837bf9ec94bb6e9197ace311a64475e22ee96b5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 14:20:27 2016 +0100

    cscn: call msc_compl_l3() from subscr_conn_allocate_iu()
    Pubish msc_compl_l3() decl in new file libmsc/msc_api.h (but see comment).
    Call msc_compl_l3() when establishing a subscriber connection for IuCS.
    Remove bts from subscr_conn_allocate_iu() signature, use network, link_id and
    conn_id instead.
    Move subscr_conn_allocate_iu() to the top of the file, because it semantically
    belongs before subscr_conn_lookup_iu().

commit e5fc7f8cbb0e3ba78302c638b64da213c6f00e04
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 13:48:03 2016 +0100

    cscn: default to osmo-cscn.cfg, not opencscn.cfg

commit f5e6f98506eceb0a3f4232eed1ac4fb67ebdf663
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 13:03:45 2016 +0100

    cscn: move gsm0408_rcvmsg_iucs() decl to proper place.
    Add noinst-header iu_cs.h and move the gsm0408_rcvmsg_iucs() declaration

commit b131a2582bd1f977727b86a1002ba3d5cc20ceb3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 25 19:24:01 2016 +0100

    put Iu-common and Iu-CS stuff in proper places
    Add libiu to contain the parts used by both Iu-CS (in osmo-cscn) and Iu-PS (in
    gprs) into libiu. It's rather thin and may make sense to move to osmo-iuh
    altogether, eventually.
    iu.c is half moved to libiu/, and half to osmo-cscn/iu_cs.c.

commit f3ce8895953e2530f1a5d4f96ba80473a49c2eb2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 25 18:53:22 2016 +0100


commit 99c725d1af962a7b1c5ba61062c93b1301789162
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 17:09:46 2016 +0100

    todo / #if 0

commit c2d770fa2ded5765525a8ab0d4b0cdec63302da8
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 17:09:25 2016 +0100

    minor fixes

commit 28a716a2661c684baadc57775b5fce7af190f04c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 17:08:25 2016 +0100

    func declaration, comments

commit 6922ea4d7492bcf57b4c3413499285476b06c20d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 17:07:42 2016 +0100

    fix: it's called msgb.dst.

commit 10805a0825781f73bd8fb99e101ac9d41ba540b1
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 16:04:03 2016 +0100


commit 27af719fc9c1ee4852e103a7c8fd558feb124c0e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 16:03:52 2016 +0100

    Indicate A-interface for new A subscr-conn.

commit cec1f8b725757f872a5a71c869cca0d88e8fd057
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 16:02:23 2016 +0100

    Add some Iu-CS functions (in the wrong place though, wip)

commit c3e0cbbb0f8346b505ee21837499a4eceef34aaf
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 15:57:48 2016 +0100

    cosmetic: a rename, comments.
    Rename conn_ctx_list -> ue_conn_ctx_list.
    Indicate Iu-CS 'siblings' for a couple of functions.
    Tweak/add comments.

commit 72b4c680dc7a0a17b499b4b0bc310983a6b1fd98
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 15:52:50 2016 +0100

    Add Iu-CS indicator to struct gsm_subscriber_connection.
    Introduce enum interface_type and gsm_subscriber_connection.via_iface to
    distinguish between A-interface and Iu-CS-interface connections.
    Add gsm_subscriber_connection.iu.link_id and iu.conn_id.

commit 99eb03e4b3fd88c9f816e109b47b62597a5220a2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 10:59:18 2016 +0100

    log level: DIUCS = debug

commit 8b58e3dd56c75d837b9139aefa67786652237a31
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 14 15:08:39 2016 +0100

    wip (reminders to self, whitespace)

commit d1f20ad0e5d4f4ca30e28608dbc3940e7017236d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 12 15:08:42 2016 +0100

    make osmo-cscn compile and receive first Iu-CS buf (and log it only)

commit c43616a46ce0d42b5cad0f3926fd3e9ef671f60a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 12 15:07:40 2016 +0100

    iu_init: add addr and port args

commit bdd09960a16d7c047aad97b22be3b94cc3a3f58c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 12 15:06:02 2016 +0100

    add DIUCS debug id

commit 29754bb3eefb283be3af57035272a4d5c75eddb8
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 11 00:00:45 2016 +0100

    various small fixes

commit 280ea3a956a85624400475bff495c5b8c4af24c2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 11 00:00:24 2016 +0100

    sai arg back to pointer

commit 4c358850d1da56a0a0e8247df5bf639234a87344
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:43:53 2016 +0100

    some fixes

commit b7d563813efd9015f0ebb57877aaed39e404d3e5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:43:24 2016 +0100

    generalize rab_act for ps and cs

commit d5d4dd8c25d6e8807919123193a66686f579783c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:41:51 2016 +0100

    move struct ue_conn_ctx to header

commit d33f9d68e93d953f57eae2d0bd3cbc89d3ea7b21
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:40:43 2016 +0100

    sgsn_iu -> iu

commit 5df87218ccc17df8bb8a1fa4e68af175520f396b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:40:12 2016 +0100

    sai arg

commit f77cc34b1010a8896fd6ac7b5979c72af509fb39
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:04:53 2016 +0100


commit 8711d73e742a5ee1fcfc378b3da0d6eaf8559bf3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 22:58:18 2016 +0100

    rename sgsn_iu.c to iu.c.
    That code seems to be usable for the CS side, as well. A more general name
    is applicable. todo: move out of gprs even.

commit f8e2bdf7637a0e04c2e7756d79a4ea3532b7cbf2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 22:50:11 2016 +0100

    tweak ..rcvmsg_iu()'s sai arg.
    It was a uint16_t*, but is passed as a uint16_t, and never used anyway, yet.

commit ab549c833ad2c636ad32f3a0f84aaf81b229edef
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 02:41:23 2016 +0100

    iu_common wip

commit 61e540d202007610b73324cc4cfd4e6dfa1e8e9b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:38:40 2016 +0100


commit cfcda7d563cb1ea9b2c15cb08bb4dfb4b78a0af8
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:14:24 2016 +0100


commit 67d6c084333b2429d053dd449ceaaeab73f56951
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:13:50 2016 +0100


commit 418767e1478676ec4feaae326b99d3732f244f83
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:13:11 2016 +0100


commit 346bf67922dfb371fbefdb0b38114796c45e7d41
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 5 14:33:26 2016 +0100


commit 9306eb4bc2249d466d68d54efec3d45d9e9d678f
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed Jan 6 13:28:32 2016 +0100


commit f1e41720e0e6c82f7b425ba8c981fd741547092e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 13:04:24 2016 +0100

    cscn: adjust header comment.

commit d9acd88a82174271a5771cf91ddd343f66080015
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 5 14:45:53 2016 +0100

    Add osmo-cscn, as a copy of osmo-nitb.
    CSCN means "Circuit Switched Core Network" (-in-the-box) and will become a
    NITB-without-BSC, so that it talks Iu-cs to the HNBGW and talks 'A' to an
    external BSC.
    Copying NITB is debatable: on the one hand, we've agreed on the name Osmo-CSCN
    for the end result (without internal BSC). On the other hand, I will probably
    add Iu-cs into the NITB code incrementally, in such a way that theoretically,
    both Iu-cs and the internal BSC functionality could be used at the same time.
    So Osmo-CSCN will be a NITB plus Iu-cs for a while. Instead of adding to NITB,
    I prefer to work on a copy, so that the original NITB remains more or less
    Only a later step will clearly distinguish CSCN from NITB: when the BSC part is
    split off for the benefit of a proper A-interface, and CSCN talks to an
    external BSC.

commit f561a0579d0bc8e22e7d212f5fffc93b1c8eaa97
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat Dec 26 03:02:20 2015 +0100

    doc: add call graphs from MSC to BSC or HNB-GW (wip)

commit 1b3483180c2622be851192529b9b58782da07165
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun Jan 10 23:06:21 2016 +0100

    disable some sgsn_tests to pass the status quo.
    while working on this, I need to see whether I break any more things.
    So remove some noise temporarily.

commit 3929ead334a8f5f908e1f8750ba64d907c2ea55c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:16:35 2016 +0100

    sgsn_test build

commit 466643448fca7a52f100dfb2ac53c3c3ddf35fa4
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:16:19 2016 +0100

    sgsn_test: apply addition of gb member

commit 3bb89f26f3dc198c7967a1cd4defb6fd89514d34
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 01:37:42 2016 +0100

    fix sgsn_mm_ctx_cleanup_free: TLLI unass. after sgsn_mm_ctx_free.
    The comment says so and it was moved above sgsn_mm_ctx_free in a commit
    marked as ugly hack.

commit 4b31df869ddaa5ffd9dcf3d9c53ec06c2f208a8b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Jan 8 02:40:29 2016 +0100

    fix ranap_handle_co_dt, failed to pass struct pointer

commit 4a84509818589396e5646f3e09eae9d99bd4eb6a
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.

commit 5c38b1c1b587df7b8c8cfb56c9dd52c033d4b913
Author: Harald Welte <laforge at>
Date:   Thu Dec 24 16:36:32 2015 +0100

    gsm_04_11.c/04_08.c: s/lchan/conn/ where we don't use lchan for years

commit f0964b7ff9652fc638414c26fc91948b3296a638
Author: Harald Welte <laforge at>
Date:   Tue Jan 5 15:09:21 2016 +0100

    remove dead code from

commit 25ec93e80ec621eab41a56daeb03b8fd83d6d970
Author: Harald Welte <laforge at>
Date:   Tue Jan 5 15:07:25 2016 +0100

    migrate WIP osmo-iuh hack to use system-installed
    this means we no longer try to link to hard-coded files outside of the
    openbsc.git repository.

commit 7214876a3b9ac6c0822a6ad01bac6476cb34bcea
Author: Harald Welte <laforge at>
Date:   Tue Dec 29 18:56:13 2015 +0100

    WIP: Really ugly hacks to get up to (and including) PDP CTX ACT

commit 25cf5ae8463f67c118c5db2756bbe2c90944c836
Author: Harald Welte <laforge at>
Date:   Tue Dec 29 17:52:51 2015 +0100

    add sgsn_iu.c that was missed in large WIP commit

commit 516c9d03efe743649d315408b8e17621f7c06c80
Author: Harald Welte <laforge at>
Date:   Mon Dec 28 21:03:10 2015 +0100

    rtp_proxy.c: Ensure msgb_alloc is large enough for largest AMR frame
    In AMR 12.2 (mode 7), the actual RTP payload is 33 bytes.  Howeerver,
    as we store the length of the (dynamically-sized) AMR payload in the
    first byte, our buffer needs at least 33+1 byte in size.

commit 19e740c63c762aab859520ade669a2c43df4c00e
Author: Harald Welte <laforge at>
Date:   Mon Dec 28 14:04:36 2015 +0100

    subscr_name(): Handle case for subscr == NULL
    subscr_name() was called from several places:
    * either without a check for subscr being NULL, which for example
      was causing a segfault if we hand-over a channel before identifying the
    * or with an explicit NULL check and the ternary operator (?).
    We now simplify the code by checking for the NULL Subscriber in subscr_name()

commit c2d8a30ce29b41b511657c3f2a50b2f4bc868c62
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 22:49:37 2015 +0100


commit f0ea38257a4c927a47f6a5f8ae2920645eb3b4bd
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 22:31:36 2015 +0100

    gprs_gmm.c: Preform LLME operations only if we have one
    In case the GMM message did not arrive over a Gb interface, there is no
    LLME (and thus the associated pointer is NULL).  Don't try to perform
    operations on a NULL LLME.

commit 6e4dddce9f8c1db13dd6f83c142d171eabdf1695
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 22:23:27 2015 +0100

    gprs_gmm.c: Make TLLI handling specific to Gb interface
    Soem of the operations we perform in the GMM layer are specific to the
    GPRS/EDGE radio access network and its Gb interface.  Let's make them
    conditional to that in preparation of supporting an Iu interface.

commit 339bdad7a2e20609fd7db10f850925c650aa8bfb
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 20:12:28 2015 +0100

    gprs_gmm.c: Don't try to de-reference NULL mmctx
    There was a comment in the code that certain GMM messages require a
    valid mmctx pointer.  However, nothing actually checked if that pointer
    was in fact non-NULL.  We plainly crashed if a MS would send us the
    wrong message in the wrong state.

commit 544dbd068d2628d301cbf59013465bfab13c430f
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 19:14:57 2015 +0100

    rename gsm0408_gprs_rcvmsg() to gsm0408_gprs_rcvmsg_gb()
    This is the entry point for GMM from Gb.  We will create a new one
    for Iu, so let's be explicit rather than implicit.

commit 479b1613b843f80d20c6cb225a76f89568887621
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 19:12:21 2015 +0100

    prepare sgsn_mm_ctx for Gb and Iu mode (UMTS)
    Let's explicitly mark those sgsn_mm_ctx members that apply for Gb mode
    and (upcoming) Iu mode, respectively.

commit 7e239a0d3f51b464f95b5fe23adfc682000f52f9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu Jan 28 14:25:31 2016 +0100

    Fix two rc values in gsm0408_dispatch()
    I do hope the unimplemented/unknown messages did not return 0 intentionally.

commit 2950d75313ac1890eedcb2f93df2afa8554ad763
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon Jan 18 16:01:34 2016 +0100

    move subscriber conns list into struct gsm_network.
    Replace the global sub_connections llist with gsm_network.subscr_conns.
    Initialize and apply where applicable. Remove bsc_api_sub_connections().


Summary of changes:
 debian/osmocom-ipaccess-utils.install              |   2 +-
 openbsc/.gitignore                                 |   2 +-
 openbsc/include/openbsc/gprs_sgsn.h                |   4 +
 openbsc/include/openbsc/gprs_utils.h               |   2 +
 openbsc/include/openbsc/gsm_04_08_gprs.h           |  15 +
 openbsc/include/openbsc/gsm_data.h                 |  14 +-
 openbsc/src/gprs/gprs_gmm.c                        | 198 ++++++++++-
 openbsc/src/gprs/gprs_llc.c                        |  25 +-
 openbsc/src/gprs/gprs_sgsn.c                       |  59 ++--
 openbsc/src/gprs/gprs_utils.c                      |   7 +
 openbsc/src/gprs/gsm_04_08_gprs.c                  |  10 +
 openbsc/src/ipaccess/                   |   6 +-
 .../ipaccess/{ipaccess-find.c => abisip-find.c}    |   2 +-
 openbsc/src/libmsc/                     |   2 +-
 openbsc/src/osmo-bsc/osmo_bsc_ctrl.c               |  25 +-
 openbsc/src/osmo-bsc/osmo_bsc_filter.c             |  15 +-
 openbsc/src/osmo-bsc/osmo_bsc_main.c               |   8 +-
 openbsc/src/utils/                      |   3 +-
 openbsc/tests/bsc/bsc_test.c                       |  10 +-
 openbsc/tests/sgsn/sgsn_test.c                     | 367 +++++++++++++++++++--
 openbsc/tests/smpp/                     |   2 +-
 21 files changed, 629 insertions(+), 149 deletions(-)
 rename openbsc/src/ipaccess/{ipaccess-find.c => abisip-find.c} (98%)

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

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