openbsc.git branch sysmocom/iups updated. 0.15.0-324-gb844449

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commit b8444495da45955e5dc7d57a5b352b236eb2657f
Author: Daniel Willmann <dwillmann at>
Date:   Wed May 11 12:44:34 2016 +0200

    gprs: Don't activate RABs on RA update

commit 3e27e87b41e143bf95fcac5bc9a2f54c37392c5a
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 579098e867c486a0bed3eaad1773a1b0f841de48
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 12aa42c614688d3b7ef384d218b1860836652af8
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sun May 22 16:27:35 2016 +0200

    cosmetic: fix two compiler warnings
    Change-Id: Ib2482f76a16a843f9aa748236e9b9e8eca96b1d4

commit e7183ba5a5fe982a975cc0c782666218cac4d230
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:45:21 2016 +0200

    cosmetic: whitespace
    Change-Id: I5017e7513cb472aa680ed93ae800e627db71f745

commit d72e5621b66632e8999e298a541f36aab61c448a
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:51:56 2016 +0200

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

commit 53e99faeb3e7500a37de69effbbf3d9c8cb40277
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 e3632fa3bd5a46c497a2cf54eb926526421884d4
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat May 21 00:50:13 2016 +0200

    update osmo_sgsn.cfg
    Change-Id: Ia41a6cdfe6f272670f424f727b25d958cc090a7d

commit be9e356d3125d3515613210c8f0d35b3fb3fafeb
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 5eae8385cfe207d0ab4b871f36c940722b38eb7d
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 f679b668aa63aca3f120b342efb9beaad2c43978
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 184ac936318412c8d6020ac3e6e8344cdc923d74
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 cb769acaa5ddf9715dfe562954f46878de468629
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 37fe402f3d14f18db4a1be423765b0e28d1f3aa4
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 33bb08008fc1def19d4943e4512b1e57794dadc6
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 8c7c907f07bf0e62682edc0bd183d73ccee8fabc
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 77d93f67ebecc280b838d4ebc821e4e736ff8185
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 79b73f342f06e8317e8e2b40fb924734a38d6b28
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 d8ca8f0f0cb0600cfc8499d183c9eaa9b76944ba
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 8f582960136f1e3d20c40e188d4dd423d69701e4
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 ed397a0c841a6dfee71a09f14101a1b290959e4d
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 9308d6c77fb24f405fe671aaa1df269a776041f7
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 58d8d0993f4176dc5efbb268587782368dbbbb5b
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 23:52:06 2016 +0200

    add #warnings concerning Iu
    Change-Id: I2a72970fc91ceef5ee8b9eaac7c81972ed8572f5

commit 0c03c41aecb9d26c697b957319509e138f2f7799
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 5477e3bb2848e52d52c3cfe84e212ea123473b9f
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 23:50:22 2016 +0200

    gsm48_gmm_sendmsg(): redirect Iu to iu_tx()

commit 10083cb3a725472731e6cbc6ff9c1c46c3482ffa
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 2617869f62270a226cf3fd664cc6bf1ed2802739
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 cb5c24c853b2698f3d0a4f97ede99859090a6345
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 421d4bf7c8b4d8d7142f4458ba6a3667bea57ef3
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:38:32 2016 +0200

    add libiu
    Change-Id: I0287ac65fc0525e36cb18901176e9aaffd97c845

commit c3f7a2689b56ef7a9c67bfdaec8bac3aa8b3d8cb
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:35 2016 +0200

    add DSUA debug constant
    Change-Id: I49bcfc6c18f75829de0826866c998e0078860de1

commit 36631e52342235eeee86f05473f97c881a7f0480
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Fri May 20 21:59:45 2016 +0200

    add DRANAP debug constant

commit d5b876cca2c97c727b8a596492c21974e50e8366
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 f9f4387686584d4575b326ac7414138d8ba0c641
Author: Daniel Willmann <dwillmann at>
Date:   Fri May 20 22:36:23 2016 +0200

    gprs: more conditionals for Gb specific actions
    Change-Id: I213d21b9ddbf19e56269defcc6aa65aca4947140

commit 7ec8ca422cb76c876dcd5c8a9e23d48090d40580
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: I891ae21afc1f4f60580b822273b5435e0e17d46f

commit 2b2429eb59af1edc9e8760a441c8c457418a459c
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: If7f24161cd2826f8ee238d4bc1090adf555cea4e

commit dbc72b37ee7edd1abe34c2998090490d770f7f6e
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: I3efb7c5087afe8e2331ec17bd9fac5029f4bee6c

commit e98ba82d2b07c83592a323d41a9afc702ea50c79
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: I7908de65bec91599f7042549b832cbbd7ae5a9a8

commit 49393e128e759993e7da74c076d7dd1c47705638
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: I93c074bf99db041117c0dc03dc8255879845a875


Summary of changes:

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

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