openbsc.git branch jerlbeck/wip/gprs-patching updated. 0.13.0-763-gdd15d7c

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

commit dd15d7cf6c51f254c8356fca8dd47af000bc8cab
Author: Jacob Erlbeck <jerlbeck at>
Date:   Tue Sep 30 13:53:26 2014 +0200

    sgsn: Added TODOs (TODO)
      - fix and remove TODOs
      - add test cases for Detach(reattach)
      - add test cases for PDP context deletion (OW#1311)
      - add test cases for Cancel pending timer in sgsn_mm_ctx_free
      - remove this commit
    Sponsored-by: On-Waves ehf

commit 0a9dcc451a7183976acbb002e18a5c4df49ceccc
Author: Jacob Erlbeck <jerlbeck at>
Date:   Tue Nov 4 12:44:15 2014 +0100

    sgsn: Notify an affected MM context if an ACL rule is removed (TODO)
    Currently if an ACL access rule is removed, MS already attached are
    not affected until they try to reattach to the SGSN.
    This patch adds sgsn_auth_update_all() that iterates through allMM
    contexts and calls sgsn_auth_update() on each of them. This function
    is then called when 'imsi-acl del IMSI' is executed after the ACL has
    been removed.
     - decide, whether ito replace that by a dedicated update command in
       the VTY ENABLE node
    Sponsored-by: On-Waves ehf

commit df18ef6a8274e2fcc6a535330a8c597c80c961ae
Author: Jacob Erlbeck <jerlbeck at>
Date:   Fri Oct 17 10:08:02 2014 +0200

    sgsn: Do not die in _bssgp_tx_dl_ud on TLLI mismatch (TODO)
    Currently an OSMO_ASSERT fails, if the message's and the mmctx's
    TLLIs do not match.
    This commit turns the assertion into an ERROR log message and uses
    the default values for IMSI, DRX, and RA CAP instead of the MM
    context values in this case.
      - find the real source for the problem
      - add test cases derived from what is being described in the ticket
    Ticket: OW#1322
    Sponsored-by: On-Waves ehf

commit 7c608eeffca7293723716fd0d96733f869a064ae
Author: Jacob Erlbeck <jerlbeck at>
Date:   Tue Nov 11 14:01:48 2014 +0100

    sgsn: Add VTY commands to manage subscriber cache
    This adds the following commands to the ENABLE node:
      - show subscriber cache
      - update-subscriber imsi IMSI insert authorized (0|1)
      - update-subscriber imsi IMSI cancel
    These commands are mainly testing tools and maintenance helpers. The
    update commands work asynchronously and can be used to complete a
    pending update request or to terminate an existing connection.
    Note that the subscriber cache is not stored persistently and will
    always be empty after an SGSN restart.
    Sponsored-by: On-Waves ehf

commit 0c35de23f88097264deba8348224dfe9afeba156
Author: Jacob Erlbeck <jerlbeck at>
Date:   Tue Nov 11 14:47:38 2014 +0100

    sgsn: Add gsm0408_gprs_access_cancelled (TODO)
    This function is called to delete an established MM context
    without invoking a detach procedure that could disable the GPRS
    functionality of the MS until the next power cycle.
    It is called when a subscriber is cancelled.
    Sponsored-by: On-Waves ehf

commit c177731fae604a3b59add47541d124144311e034
Author: Jacob Erlbeck <jerlbeck at>
Date:   Wed Nov 12 10:18:09 2014 +0100

    sgsn: Integrate subscriber handling into the SGSN (TODO)
    This commit adds a new authorization policy 'remote' and uses
    the subscriber cache for authorization when this policy is being used.
    Note that there is no remote backend implemented yet.
     - tests
     - decide, whether 'remote' could be named better, e.g. sth based on
    Ticket: OW#????
    Sponsored-by: On-Waves ehf

commit 817d01a640fdd8ad0a27d77832f3609d720cfa15
Author: Jacob Erlbeck <jerlbeck at>
Date:   Wed Nov 12 10:12:11 2014 +0100

    sgsn: Add gprs_subscriber.c
    This patch adds GPRS specific functions for gsm_subscriber objects
    (allocation, retrieval, deletion) and subscriber data
    requests/updates. The sgsn_update_subscriber_data callback is used to
    notify the sgsn about updates and is extended by a parameter that
    passes a reference to a gsm_subscriber.
    Sponsored-by: On-Waves ehf

commit 4cc973bce2eded371712ec73475d6d62c4aa91e7
Author: Jacob Erlbeck <jerlbeck at>
Date:   Wed Nov 12 09:53:45 2014 +0100

    sgsn: Cross-link gsm_subscriber and sgsn_mm_ctx
    To implement subscriber based authorization a data structure is
    needed that keeps the subscriber data. The MSC already uses a similar
    struct named gsm_subscriber whose implementation is split into a
    generic part (allocation, retrieval, reference counting, list
    maintenance) and MSC related parts. For GPRS, only the generic part
    will be used and specific fields may be added when needed.
    This patch adds a field mm to struct gsm_subscriber that will be used
    by the SGSN to store a reference to the current MM context (or NULL
    if there is none). This also adds a field subscr to struct
    sgsn_mm_ctx that reversely points to a gsm_subscriber (or NULL if
    there is none).  Either both fields are NULL or both fields are
    non-NULL. Note that subscr is being reference counted.
    Sponsored-by: On-Waves ehf


Summary of changes:
 openbsc/tests/sgsn/sgsn_test.c  | 49 ++++++++++++++++++++++++++++++++++++++++-
 openbsc/tests/sgsn/sgsn_test.ok |  1 +
 2 files changed, 49 insertions(+), 1 deletion(-)

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

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