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commit fc68c83ddbda55fc2aaa908a3a6a6fca2af71761 Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 15:29:52 2016 +0200

Support raw IPv4 address in RAB Assignment Response

There are different Iu dialects in terms of encoding the transport layer address inside RAB Assignment req + resp.

Let's be liberal in what we accept, and simply use the length as an indicator of the format. Wireshark uses similar heuristics.

http://cgit.osmocom.org/openbsc/commit/?id=74101106a1114d819dfce83cd5a50837c...

commit 74101106a1114d819dfce83cd5a50837c8bd5d0e Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 15:23:41 2016 +0200

RAB Assignment Response: Handle TEID changes

When the RNC confirms the RAB Assignment, it can each time indicate a new TEID for the GTP-U endpoint on the RNC side. We need to update our information about the PDP context and include that in the UPDATE PDP CONTEXT that we're sending towards the GGSN. This is similar to updating the RNC-side IP address of the GTP endpoint.

http://cgit.osmocom.org/openbsc/commit/?id=db916bfd8dcceaeb0414ea0628e99a8e7...

commit db916bfd8dcceaeb0414ea0628e99a8e7955e660 Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 13:36:48 2016 +0200

iu_rab_act_ps: Use GGSN-side TEI in RAB Assignment Requeset

When we send the RAB Assignment Request to the RNC, we need to tell it the GGSN-side TEI for data, not "our" (SGSN side) TEID.

In the RAB-Assignment.req we inform the RNC of the TEID on the GGSN side, and in the RAB-Assignment.resp the RNC informs us of the TEID on the RNC side.

http://cgit.osmocom.org/openbsc/commit/?id=a54358879f1ab928659568ebd6547fc65...

commit a54358879f1ab928659568ebd6547fc65265f662 Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 12:43:21 2016 +0200

Identify PDP context by RAB ID, not TEI

When receiving an RAB-Assignment response from the RNC, we should use the RAB ID (=NSAPI) to resolve the PDP context.

We cannot use the TEID, as the TEID chosen by the RNC for this RAB has no relationship to the TEID we were using for the RAB-Assignment request. TEIDs are local to each of the peer, like UDP port numbers.

http://cgit.osmocom.org/openbsc/commit/?id=a54b47b04876152d6f5473d528480a67c...

commit a54b47b04876152d6f5473d528480a67ccc89803 Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 12:21:45 2016 +0200

libiu: Fix missing break statements in switch in cn_ranap_handle_co()

http://cgit.osmocom.org/openbsc/commit/?id=3b922064a478f3a403d3a40d3f22c9a56...

commit 3b922064a478f3a403d3a40d3f22c9a5675390fa Author: Harald Welte laforge@gnumonks.org Date: Sun May 1 10:59:12 2016 +0200

SGSN: Use PDP Context NSAPI as RAB ID

As Dieter has pointed out, the RANAP spec requires the RAB ID to be equal to the NSAPI of the PDP context for which it is established.

http://cgit.osmocom.org/openbsc/commit/?id=5b3fd465d16547f1175b211dd5366123f...

commit 5b3fd465d16547f1175b211dd5366123f260fedb Author: Harald Welte laforge@gnumonks.org Date: Sat Apr 30 22:04:50 2016 +0200

Fix parsing of auto-generated config file

When starting with empty config file, saving it by 'write file', and then re-starting osmo-cscn, it would complain:

Error occurred during reading below line: long name Osmocom Circuit-Switched Core Network

The problem is that the vty parser is configured to expect a single token and not a list of tokens here, but we initialize the default value with multiple words (which are treated as separate token).

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Summary of changes: openbsc/include/openbsc/gprs_sgsn.h | 5 ---- openbsc/src/gprs/gprs_gmm.c | 4 +-- openbsc/src/gprs/gprs_sgsn.c | 19 -------------- openbsc/src/gprs/sgsn_libgtp.c | 52 +++++++++++++++++++++++++++---------- openbsc/src/libiu/iu.c | 8 +++--- openbsc/src/osmo-cscn/cscn_main.c | 2 +- 6 files changed, 45 insertions(+), 45 deletions(-)

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