openbsc.git branch sysmocom/iups updated. 0.15.0-324-g9ace2d2

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commit 9ace2d2929d8d18ee21dfb0eec012d26bae61570
Author: Daniel Willmann <dwillmann at>
Date:   Wed May 11 12:44:34 2016 +0200

    gprs: Don't activate RABs on RA update

commit 0788000d929d94c4a8b2eb97357250410884b809
Author: Daniel Willmann <dwillmann at>
Date:   Wed May 11 12:43:47 2016 +0200

    gprs: Change GTP-U endpoint to SGSN in PMM_IDLE and page UE when data arrives

commit 954974db2a8ba968d5a4c9e5ea53be0849180b11
Author: Daniel Willmann <dwillmann at>
Date:   Wed May 11 12:42:54 2016 +0200

    gprs: Introduce function to change PMM state
    Change-Id: I7c2cd1abc1805659b01dffffff31c49fe5161086

commit f348a371e32eb3df0b94bb1b116a1637793e3269
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun May 22 16:27:35 2016 +0200

    cosmetic: fix two compiler warnings
    Change-Id: Ib2482f76a16a843f9aa748236e9b9e8eca96b1d4

commit cddb2c175cb889fb97fb379d5576afdcdc0e2349
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:45:21 2016 +0200

    cosmetic: whitespace
    Change-Id: I5017e7513cb472aa680ed93ae800e627db71f745

commit e4c107ee0b3c2b42ba2fec1a793b8e97a84ca251
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:51:56 2016 +0200

    cosmetic: comment on Iu GTP-U
    Change-Id: I9fd8f0111ef4bb52d421b322a633ff85f863d10e

commit 62ed972e7b98ce5f84831fd02a50fcc8da13bfef
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:44:50 2016 +0200

    cosmetic: gprs_sgsn.c: move pdp.h include to top
    Change-Id: I9a9b34d714235462ba72cdb65b7c8c9824dfa9c6

commit fa43a2bf54c4a514e33dbdcbd609c816c8afa084
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:50:13 2016 +0200

    update osmo_sgsn.cfg
    Change-Id: Ia41a6cdfe6f272670f424f727b25d958cc090a7d

commit 5679db98ff22311a21e9417fe1f175c6cbdfa68d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:21:15 2016 +0200

    reset MM ctx pending_req on GMM Attach Request
    Change-Id: I0df0f3d88085939eb617405e2013ad164eed477b

commit 14d30b35bf57a5d3eb57f2453f980730f9622419
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:01:21 2016 +0200

    sgsn_mm_ctx: add enum gprs_pmm_state field, track PMM state
    Iu needs to page to transfer data in PMM-IDLE state.

commit 6826c08333ff7f08a0d1fc5ea4f249f039ea7723
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:35:41 2016 +0200

    gsm48_rx_gmm_ra_upd_req(): make sure to authorize, for Iu Integrity Protection
    Change-Id: I2ea2089895f8a8e125ef39d9bef70dafb2b1ce69

commit 399b544255ab03ad8faac645b4e1127900a3b5b7
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:15:29 2016 +0200

    gprs Iu: add GMM Service Request rx and tx
    Change-Id: Ib935de22d23a15f449927840d4d59497ce22abbd

commit 5983259222d498f980aee493bca516fce34004bb
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:00:09 2016 +0200

    add gsm_04_08_gprs.h and .c for Iu's GMM Service Req
    These items will probably be added to libosmocore's gsm_04_08_gprs.h and .c,
    add them here in openbsc until things have settled.
    Change-Id: Iaf9316f07d21280b6e090d65892c338f9555313a

commit 82089ab26068a2c21e42afa7c5ce9f0b66f9e5d5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:16:55 2016 +0200

    gsm48_gmm_authorize(): Iu: send Security Mode Command
    Track the new_key flag.

commit 59e08913444bca08080650fa9625b80279bc2807
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:31:12 2016 +0200

    gsm48_rx_gmm_att_req(): Iu dev hack: init hardcoded Ki on ATT REQ
    Change-Id: Ieca45960fa941a3a706c6e479b04b9f2ef89d860

commit cc38627b92cf689f10802470726006bdb7a3d33b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:55:25 2016 +0200

    sgsn: add Iu response to delete_pdp_conf()
    Change-Id: I4a39e1b102d43ce09bcd15383f4d0cdb7c0d731f

commit a5e25928fd1f3c8ae7b17bc29bc72a54d6649561
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:53:42 2016 +0200

    sgsn: add Iu response to create_pdp_conf()
    Change-Id: I274e39eb8c0cb1cd9ae882898d161ab7674aed2b

commit 40510d0d6e890bcbd5e773b467b5411c4e6e8b12
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 48feffbd4f93fb15fadb624fccd79638b499fe7c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 01:46:21 2016 +0200

    gprs_gmm.c: comment on msg->dst use as ue_conn_ctx
    Change-Id: Ibe73f78d3a0f208e5e61809e8378ac71d7133486

commit 6fa343aa4d2164e4ef0e58b9eea73058600a3b92
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:11:39 2016 +0200

    grps Iu: track msg->dst aka ue_conn_ctx, comment
    Change-Id: I467524174bd0073fce597ab031cb822b0f71ec7c

commit a12d507b98980f4fa75f2b1fcc6eb6b70df9c50c
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:32:37 2016 +0200

    gsm48_rx_gmm_ra_upd_req(): Iu: look up MM ctx
    Change-Id: I3e71731e2bd765d9c72f3beb11268936ed612d3c

commit 33270707ca8395bf4a52558dc7ed500acaad01e3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:27:37 2016 +0200

    gsm48_rx_gmm_att_req(): redirect for Iu, with no MM present
    Change-Id: I9102d3db63481024b744f8c2968b402973240600

commit ae61b0b6ea7dc7aa4f63dc448dcb8a7381c6f707
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 23:52:06 2016 +0200

    add #warnings concerning Iu
    Change-Id: I2a72970fc91ceef5ee8b9eaac7c81972ed8572f5

commit 4c123bf1d78db5a782f28b224c15f1a73124b7ba
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:09:41 2016 +0200

    gsm48_gmm_sendmsg(): catch Iu tx when there is no MM ctx
    Change-Id: Iedf057d37e9418901c3f33ebc42c7702471384b9

commit 9d2d27d69ed6408217e528fb037002925c7a8224
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 23:50:22 2016 +0200

    gsm48_gmm_sendmsg(): redirect Iu to iu_tx()

commit 866c4b9a2d59f63c7fa849d003d5f33ef2a8ed97
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 17:36:18 2016 +0200

    sgsn-test: add libiu and libasn1c, libosmo-sigtran, libosmo-ranap

commit 0d47840f1a1ae92aa42be9dd46d115f37948a6a5
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 23:53:18 2016 +0200

    osmo-sgsn: add core IuPS implementations, call iu_init()
    * gsm0408_gprs_rcvmsg_iu()
    * sgsn_mm_ctx_by_ue_ctx()
    * sgsn_mm_ctx_alloc_iu()
    * sgsn_ranap_iu_event()
    * sgsn_ranap_rab_ass_resp()
    Call iu_init() from sgsn_main.c.

commit a8a3f0df378832c6ea09d9c9e9e8224d48e63719
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 17:35:57 2016 +0200

    osmo-sgsn: add libiu and libasn1c, libosmo-sigtran, libosmo-ranap
    The build will actually break until libiu is used by osmo-sgsn in a subsequent
    commit, because so far libiu is skipped by the linker, and thus at least
    talloc_asn1_ctx and asn1_xer_print are missing for libosmo-ranap.
    Add asn_debug impl ("extern" from libasn1c).
    Change-Id: I088e0980cbbec9dae19632e0d11cfe979fb83e98

commit a028bbf77e8463d8c2d5d3e36f407f6b700fb36d
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:38:32 2016 +0200

    add libiu
    Change-Id: I0287ac65fc0525e36cb18901176e9aaffd97c845

commit 7a43918dfb712c3d7800341703150684c13ec842
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:35 2016 +0200

    add DSUA debug constant
    Change-Id: I49bcfc6c18f75829de0826866c998e0078860de1

commit 9a63b5d15f3c9c7f8a94021cb91b42c1756a3346
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:45 2016 +0200

    add DRANAP debug constant

commit 977da33523e46abfcce85d2227be02c0c8937a51
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:42:55 2016 +0200

    build: add libasn1c, libosmo-ranap and libosmo-sigtran
    For upcoming Iu.
    Change-Id: I1c4223214ed6baff8e752efa5bb3edc4222970fc

commit a49c02dec3dcd25e483fe98e3a927de53483336a
Author: Daniel Willmann <dwillmann at>
Date:   Fri May 20 22:36:23 2016 +0200

    gprs: more conditionals for Gb specific actions
    Change-Id: I18fd636816dd67827423e7481f97b43c6f5654fc

commit 0600068d90515af4b4ed53c84ff8fdfb67b2e5e9
Author: Daniel Willmann <dwillmann at>
Date:   Sat May 21 00:48:49 2016 +0200

    sgsn_mm_ctx_cleanup_free(): clean up LLME iff present (Gb, not Iu)
    Assert that llme is unused for non-Gb (Iu) connections, and clean up otherwise.
    Make sure the cleanup is left below the sgsn_mm_ctx_free() call, as the comment
    Change-Id: I42a90b38c3ba7d547e4de09252861cc401f09123

commit 79a9817074ca89799f559a98d65bee940de53faa
Author: Harald Welte <laforge at>
Date:   Fri Dec 25 22:31:36 2015 +0100

    gprs_gmm.c: Perform 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.
    Change-Id: I1ac9ae3bea1b778929d56359ef0b57710f02fb0f

commit efb1e9ed1250ef48881c4459d465a148e2e0c239
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.
    Change-Id: I02e83dcae05673158884ae88a48f1c108d28f5a2

commit 454d5675d31a108c4d21f111247f15af25b8d1cc
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun May 22 14:28:19 2016 +0200

    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.
    Original patch by Harald Welte, but it broke message validity checking,
    resulting in sgsn_test failure. This re-implements the NULL check in a
    different way, as explained by in-code comment.
    Change-Id: I34b47b9e63691c9bc9904573000c74877217f679

commit de25a472fbc621f9e8a4eefc993dd0c9569f40f0
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.
    Change-Id: I3457080e5a0af6329907d68fa4ae4db9b89a76c3


Summary of changes:

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

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