openbsc.git branch users/neels/iucs updated. 0.15.0-395-gaf60a1e

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Mon May 30 21:04:19 UTC 2016

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The branch, users/neels/iucs has been updated
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commit af60a1e0619f0a9c7d84fd420a7e7e14b81f2add
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:21:52 2016 +0200

    remove handle_abisip_signal()
    Change-Id: I9cf80f9c2c8a53a29e42f000029e680a9922cb41

commit 98eb48e67f482b09650d15718b3c2b07b82cb28f
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 ab2d1583828ef478ba445af99eb8f0b6f55b457d
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 c71643ad0a19baee6e6cc9f0a5f48aa16e51407c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:11:39 2016 +0200

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

commit 1460d15c168f9362abdaa782e41eaf2ee8ca0a57
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 d103103e3372e080372a8a66bb3cd3788c4b5123
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:26:47 2016 +0200

    comment on mscsplit, indent comment

commit 31c4d1faf2c13549c5827762bbba6d101820f242
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 fe512fe5243e46f592e9d7c006ba2348482bf094
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 a2eba6c353a3944251948c2fb75d01e4c555d85a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 14:21:58 2016 +0200

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

commit 90c16d8dc49f09ae366e9b89fce5a718d37d1f22
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 546f03751163e2b0ed23a1161399e539d7866811
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 c9958c750786b4a53078e148978fbd15911cba6f
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 4eafa7b896c1ec279b57cbf9007799a6c4d626be
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 2ed7218b74b3d45d46d3f95e6cc3aa0c4f1f821c
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 b90c2f41bd4b6d2718445c7a986f7c7d092c71ce
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 bdfe6e951a5f10e2aa0ded1291670e932c0a9867
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 ee462d4a58326d40c163a04021a8702818af2f7d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:11:17 2016 +0200

    IuCS auth -- TODO commit log details
    Change-Id: Id09e26126979d418a422df24bc50b56454b16c7e

commit 3d8ce182769b088a17b9bac2d1553d33d3644f30
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:07:23 2016 +0200

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

commit 90c8290820d846889704441984e70f6cceca2df2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:06:55 2016 +0200

    add subscr_authorized()
    Change-Id: If2ef06b1229351127c61477ca14653d6ae4cb6bb

commit d8a2ccf8c2578a8fdaa40517ff10591f89c1d4a7
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 07dad802f81a085017ec12ab5be635ad2ba84b31
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:01:01 2016 +0200

    add gsm_encr to subscr_conn
    Change-Id: Id5797cd1f1bfa2cca2d3fbabc1981aa75546421b

commit 5c3756deadb2f54f7eae81d800b13d966871ef37
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:57:14 2016 +0200

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

commit bf5e919b92b1d995e2064e1a8db52e6054c746f5
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 4650e0afb9b81af9b8f2e6347a8f1bf48953475b
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 bba9fb52babeb7c6a691eaf7c8fb72b7e61aa164
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 21:44:32 2016 +0200

    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.

commit 73b60bbe4172a7f13894c7f982f9088c8ac5ba4a
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 052dd119b9f95a556c5fbb92db382db6fa1e45f6
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 96184d6c353d1af9889960b497377d379badeac4
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 79bf7eab3a9c69c6473932e5acd455bcd75ba25a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 14:59:02 2016 +0200

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

commit b891781cdc1ff6bb3145588c3c139a7c8a59599f
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 437772337177430eaf3986ff493dd5df6a2caa02
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:58:46 2016 +0200

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

commit 442637891a969427b49c9a0bf422560913556dfa
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 14:56:06 2016 +0200

    add iucs.[hc]
    Change-Id: I88e981f4c31393a98ae8d61176c65c9251a6f28b

commit bc6b646a241cb27df2ae24be59f7e3b2112d61ec
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:55 2016 +0200

    add DIUCS debug log constant
    Change-Id: Id347a3024fa495a1ab680db7320648d933a4018b

commit f24a9bbc6838c95b68e350339a2ff41d74b7e00e
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 862c11d13a4dd097796d85e7f50bb045c2a4c823
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:05:43 2016 +0200

    subscr_update(): remove bts arg, add lac arg
    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.
    Change-Id: I9f2b298a785bf4b2a1b3fcdd91b8256106b2d9de

commit 0a849f4104b81046b147101d016dcd2d9aab9965
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 164d45d834eeed3672c7d9e1fb142f32406909f6
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 70ac73ad42488fcf36b181903d7107a3ed47e288
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 765728d33e2adb2638d7ce622119705cbee72876
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 on this branch, the a_tx() is so far
    just a dummy (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).

commit 08ca12bee72e7201c74a7ba943cdb34e625dd8e9
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:13:32 2016 +0200

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

commit 62ba1c4b49a052419d1b43430b04b164eaae93ec
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 15:00:23 2016 +0200

    gsm_subscriber_connection: mark BSC specific items
    The struct shall be split in two later.
    Change-Id: Ib9666225fb9bfec2cf1e364343560571869fe6a7

commit a9831ae91d340b6e3c26b8b2f1b0210abb60da6d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:56:42 2016 +0200

    osmo-nitb: exit when MNCC socket init failed

commit 218a07eff48e6f6ff08265f9600dbb967f776ddc
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 14:12:00 2016 +0200

    split bsc_bootstrap_network() in alloc and config
    Change-Id: I480a09a31a79766ad07b627dd5238b7e37f3be7a

commit d8de716a97560fba35644c866a9dcb096c808c83
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 17:15:44 2016 +0200

    split subscr_con_allocate()/_free() in bsc_ and msc_
    Rename current subscr_con_allocate() and subscr_con_free to bsc_*,
    and add two separate msc_subscr_con_allocate() and _free().
    The msc_subscr_con_free() ignores all lchan members.
    In libbsc use bsc_*, in libmsc use msc_*.
    Change-Id: I3cf7c7cafdf4672ec7b26058bba8a77159855257
    Future: there will be distinct subscr conns for libbsc and libmsc.

commit ecfc7c42106935c2b83349a7c056e6ec09272644
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 14 03:24:41 2016 +0200

    move to libxsc: net timezone VTY config
    Leave the timezone VTY output in libbsc's config_write_net(), until the BSC/MSC
    separation of struct gsm_network is completed.
    Change-Id: I9712b2e07b4f1ab8d2e4ad40a8d771e98ed25b20

commit ec6f1e85a67592bea424fe04a20d3315478ff393
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:29:33 2016 +0200

    Move timezone settings up to network level
    Time zone used to be configurable per-BTS. In the upcoming MSC-split, no BTS
    structures will be available on the MSC level. To simplify, drop the ability to
    manage several time zones in a core network and place the time zone config on
    the network VTY level, i.e. in gsm_network. If we are going to re-add fine
    grained time zone settings, it should probably be tied to the LAC.
    Adjust time zone VTY config code (to be moved to libxsc in subsequent commit).
    Adjust time zone Ctrl Interface code.
    Change-Id: I69848887d92990f3d6f969be80f6ef91f6bdbbe8

commit 8a688191dd98053e2860489ff993ed6ba28865ae
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:56:43 2016 +0200

    reinvent connection_for_subscr() and move to libmsc
    Implement connection_for_subscr() from a completely different angle: instead of
    looking up lchans in bts structs, look up the subscriber in the global list of
    gsm_subscriber_connection. static lchan_find() is thus obsoleted.
    All callers of connection_for_subscr() live in libmsc, so move to libmsc.
    The move and edit are done in a single commit since the old and new
    implementation have nothing in common.
    Future: osmo-cscn will use this, without bts being present.
    Remove implementation of connection_for_subscr() from channel_test.c -- it is
    possible that the abort() in there was intended for a regression test, but
    actually it seems the implementation was merely added for linking reasons, and
    the abort() added to guard against the NULL return value: no comment nor the
    commit log indicate that the abort() is test critical; the addition was the
    only change in channel_test.c for that commit; at the same time a
    connection_for_subscr() call was added in libmsc.

commit e999b6ff7f60a8970156a08ef07eabcf97492cad
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu May 12 01:53:23 2016 +0200

    bsc vty: rename show_net_cmd to bsc_show_net_cmd
    Future: there will be an MSC-land show-net-cmd, so rename to something with
    bsc in its name.

commit 15e9456a78fdc1a54cd1743b60d1aad7fd43ff6d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu May 12 01:16:58 2016 +0200

    move to libxsc: network VTY that isn't BSC-specific
    Keep only BSC specific bits of the 'network' VTY node in bsc_vty.c, move more
    general VTY commands to xsc_vty.c.
    Add arg to xsc_vty_init() to pass a config_write_net() function. Pass a libbsc
    specific config_write_net() function.
    Future: upcoming omso-cscn will re-use the VTY bits moved to libxsc and pass a
    different config_write_net() function.
    Change-Id: I871b7b32a0c56fdce983e409cf244ec487d24e71

commit 6ae1cf7b36a4e44ce6cd4e0bd5f9197fb11fded2
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 18:48:39 2016 +0200

    move to libxsc: global vty gsm_network pointer
    Move gsmnet_from_vty() and the bsc_gsmnet global to xsc_vty.c.
    Rename bsc_gsmnet to vty_global_gsm_network and make it static to xsc_vty.c, to
    clearly mark the global variable for VTY use only.
    Introduce xsc_vty_init() to set vty_global_gsm_network.
    Change-Id: I26c5c47de08f899b896813d09612d5cb2f8e42d6

commit 3265a7df047fe022530a93d7eced8dee168ea8bb
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Thu May 12 03:03:50 2016 +0200

    drop libmsc from some tests, drop duplicate libbsc linking
    Because of libxsc, tests/gsm0408,subscr,trau no longer need libmsc.

commit e525c7f853e392e3fdb798498dfa578107fd13e6
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:27:32 2016 +0200

    sms_next_rp_msg_ref(): use direct pointer to next_rp_ref counter
    libbsc and libmsc will have separate subscriber connection structs. Hence don't
    rely on gsm_subscriber_connection, but work on a direct pointer to the counter
    for the next RP reference.

commit 1ce6e42b0eeb7f2d6a858ea723edf7e52d1e0f54
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:30:17 2016 +0200

    factor out & introduce struct gsm_encr, in xsc.h
    Factor out encryption info from struct gsm_lchan as struct gsm_encr, placed in
    Change-Id: I94015fb9dd511c37c1e3058a0963c780b3f700ac
    Future: this will be used by libmsc's subscriber connection, for osmo-cscn.

commit a559883fa4f0b4154dfb5f65787c4577721d5c60
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 18:04:00 2016 +0200

    fix build: osmo-bsc_nat: change linking order
    Moving gsm48_create* to libxsc affected linking of osmo-bsc_nat, resulting
    in an undefined reference to gsm48_extract_mi().
    Fix the issue by placing libfilter.a left of libbsc.a.

commit a37e5654bcedf194a5f3886e59a4cdacc7ea2e50
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 12:50:31 2016 +0200

    move to libxsc: factor out gen of USSD notify and release complete -- TODO subscr_conn
    Both libmsc and libbsc need distinct gsm0480_send_ussdNotify() and
    gsm0480_send_releaseComplete() functions to account for the distinct subscriber
    connection structs.
    The current functions live in libmsc, so add the same in libbsc in new file
    To avoid too much code dup, move the message generation part of
    gsm0480_send_ussdNotify() and gsm0480_send_releaseComplete() to new functions
    gsm0480_gen_ussdNotify() and gsm0480_gen_releaseComplete(), placed in libxsc.
    Change-Id: I33a84e3c28576ced91d2ea24103123431f551173

commit bcf256f58d22e9590afce2476e7d04a18fab8378
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 14:58:51 2016 +0200

    move to libxsc: gsm48_create_mm_serv_rej(), gsm48_create_loc_upd_rej()
    Used by libbsc, libmsc as well as osmo-bsc and osmo-bsc_nat.

commit 5d5e6f73192c72c3310763e57a17083464963b0e
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 14 00:46:29 2016 +0200

    move to libxsc: net init 3: actual move
    Reincarnate gsm_network_init() as the parts not specific to libbsc.
    Move from bsc_network_init() those bits that are not BSC specific (and useful
    for upcoming osmo-cscn).
    Add libxsc to all linkages that use gsm_network_init().
    Note: the only requirement to allow linking gsm_network_init() without libbsc
    is to keep the call to gsm_net_update_ctype() out of libxsc. The other items
    are kept out of libxsc because it makes sense semantically. But the separation
    is not strong in that the BSC specific data members are of course still
    omnipresent in struct gsm_network. If bsc_network_init() is not called, these
    are not initialized properly -- for now no such callers exist.
    So this is just a first step towards a sensible split of the BSC and MSC
    gsm_network structs. The long term aim should be to have entirely separate
    structs with some common general items.

commit b0dc4d7fd63ce548d2c98d55a7376a40df8bfdee
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 14 00:57:04 2016 +0200

    move to libxsc: net init 2: move bsc_network_init decl to osmo_bsc.h
    bsc_network_init() is more fit to live in a BSC specific header.
    Change-Id: I9edfb1e748bb1cb484fadd48b0406f5b3098e89b

commit 8d52389729afbc997ebaf5d8c8db81ca5814794d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 14 00:45:26 2016 +0200

    move to libxsc: net init 1: rename to bsc_network_init
    The gsm_network_init() function initializes a whole lot of BSC specific stuff.
    Aiming to move some of it to libxsc, first rename it to bsc_network_init().
    This will retain the BSC specific stuff when the move is done.
    Adjust all callers.
    Future: osmo-cscn will call the more generic part and not the BSC specific
    Change-Id: I4816ae19374390fc5c64972f7cad2e9ec3d8bcc3

commit 2e9cb629aebc4f17257434847528627c653d6ee5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 14:28:25 2016 +0200

    define mncc_recv_cb_t to avoid code dup
    Put mncc_recv_cb_t in xsc.h to avoid header include complications: if placing
    right above struct gsm_network, one must include gsm_data.h to use
    mncc_recv_cb_t as function parameter in a header, which will include
    gsm_data_shared.h, which will include xsc.h (future knowledge). Since I will
    need to use mncc_recv_cb_t in xsc.h, including gsm_data.h from there would
    introduce an #include loop. Avoid that and define mncc_recv_cb_t in xsc.h to
    begin with.
    Change-Id: I2e64cffa563750ce9f3172ffba6f9cf5b9280e9c

commit 389d41af3cb4dfe9361ac1c00abce21822f20d47
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 12:50:31 2016 +0200

    Add empty libxsc
    This will gradually soak up code shared by libbsc and libmsc.

commit e261ee18cd4c7d406fdf9916901961fc98e150da
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:07:43 2016 +0200

    cosmetic: various comment, whitespace tweaks

commit 870917ffce3cf85970fccc17f0722bd60c98ba4a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:59:29 2016 +0200

    utils/ remove unused LIBOSMOVTY_CFLAGS

commit 5b034f81dd04cc6eb0760004b47d5316853c8898
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri Apr 1 02:17:24 2016 +0200

    vty l3 help: fix typo 'comamnds'; fix english s/his//

commit 843bdaee7e45e58ad027e971ada0573a25caee1c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:48:53 2016 +0200

    debug log for sms: fix/add
    One logged the wrong function name. Add others.

commit ba631e5dfb581aeb2aad070abe31e0218a679ece
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:38:51 2016 +0200

    Sanity fixes for gsm0408_dispatch(): rc, assertions
    gsm0408_dispatch() is the main entry point for receiving data from the BSC/RNC
    level, so make sure callers pass valid pointers before using them all the way
    down the code path (related to CID#93769, a fix before this was refactored).
    For unknown/unimplemented packet discriminators, make sure to return error

commit e8d9b936fd72736e295e3c94dcb9d823970ed8de
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:18:08 2016 +0200

    abis vty: decouple from global bsc_gsmnet variable
    Publish gsmnet_from_vty() in openbsc/vty.h and use in the abis VTY functions.

commit 377cbf0ddeec875c31cb68702e06d144c7827756
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:09:47 2016 +0200

    directly access gsm_network backpointer from gsm_subscriber_connection
    The previous commit added a network backpointer to gsm_subscriber_connection.
    Use it wherever it makes sense, to skip the step through the bts structure.
    In some places, also tweak use of local variables for less code.

commit 96b8605d49450433904fa6df8ea42f9e5527c19a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 22:33:01 2016 +0200

    add gsm_network backpointer to gsm_subscriber_connection
    For the upcoming MSCSPLIT, we want a network backpointer without having to
    go through a gsm_bts struct.
    This commit adds the network pointer, the subsequent commit applies direct
    access to the network structure from gsm_subscriber_connection.

commit 141cff9bfe53be95865e806d151039f5c6684d97
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:40:19 2016 +0200

    bsc_vty_init(): decouple from global bsc_gsmnet
    Add an explicit gsm_network pointer instead of using the bsc_gsmnet global, to
    pass full control to respective main() contexts.

commit 0207f61e7340c7ac6de08fe1448e16ef9c3c1cd1
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 13:53:47 2016 +0200

    talloc_ctx_init(): decouple from global tall_bsc_ctx
    Decouple the talloc context allocations from global tall_bsc_ctx pointer.
    Future: it appears that talloc_ctx_init() was intended for general use, but is
    in fact only used by osmo-nitb. It will be used by the upcoming osmo-cscn as

commit de62acdd762ac24ec8fdba86d1baa228961aa695
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 19:12:44 2016 +0200

    gsm_network_init(): add explicit root talloc ctx
    Decouple the root talloc context from libbsc's global talloc_bsc_ctx.
    Future: we'll use this for the upcoming MSCSPLIT.

commit 8500fc23c766083f3c97a55f0656459c948660a7
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Wed May 11 13:39:33 2016 +0200

    bsc_init: don't pass telnet dummy conn
    gsmnet_from_vty() used to expect vty->priv to point to a gsm_network struct,
    but that is not actually the case anymore. The dummy conn to forward the
    gsm_network is not needed.

commit 242c24038ab1c021fffd9d8ae0eea069781593c1
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 19:12:44 2016 +0200

    doc: rename nitb graph to bsc, add msc graph
    In the light of upcoming split of MSC from BSC (MSCSPLIT), name the realms
    'libmsc' and 'libbsc'. Hence the nitb graph becomes the BSC graph, and add a
    libmsc graph.

commit 4b1272fa31de0afc716d6ace62271f0d41932516
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue May 10 13:50:44 2016 +0200

    remove unused bsc_copyright from bsc_vty.c
    Change-Id: I281791c0f57ca75ffe14431a3030811b2d224f0b

commit 76b1e14d56f16157a8b25a2db731546e9abf70bd
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 9 21:03:12 2016 +0200

    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(), callers now access gsm_network->subscr_conns

commit 8c8500d0f2a55fbb70b46afd03e6c27004bcdb63
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Mon May 30 22:32:51 2016 +0200

    properly #include <openbsc/gsm_data.h> from gsm_subscriber.h
    Don't use quoted, local include, use <> style include.
    Change-Id: Iaa3dc36768f96f6b8c91010a2ba389fdc37f1503


Summary of changes:
 openbsc/include/openbsc/gsm_subscriber.h  | 3 ++-
 openbsc/src/libmsc/gsm_04_08.c            | 2 +-
 openbsc/src/libmsc/gsm_subscriber.c       | 3 ++-
 openbsc/src/libmsc/vty_interface_layer3.c | 5 +++++
 4 files changed, 10 insertions(+), 3 deletions(-)

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

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