Cellular Network Infrastructure » cni-legacy » OpenBSC » OsmoNITB

02/02/2017

04:11 PM Bug #1591: libdbi is buggy and slow, get rid of it

I think I will implement lookup code that finds pending SMS for active subscribers
by looking in the VLR for active ... neels

04:08 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

(development is ongoing, mostly concerning UMTS AKA in MSC+VLR -> #1711) neels

04:07 PM Feature #1593: UMTS AKA support

https://gerrit.osmocom.org/1695 neels

04:07 PM Feature #1593: UMTS AKA support

First UMTS AKA test suites have been added to osmo-hlr (testing e.g. correct tuples generated
for GSM with UMTS AKA ... neels

04:03 PM Feature #1594: Split of BSC part from CoreNITB part

On the vlr branch and in the queue for merge-to-master is a split of
the gsm_subscriber (note, not _connection) into... neels

03:45 PM Support #1922: comprehensive test of MSC subscriber connection and request handling

Development of this MSC+VLR end-to-end test is ongoing on the neels/vlr branch of openbsc.git.
Recently added/adding... neels

03:09 PM Feature #1712: 3G Voice

The solution to the nano3G RTP payload is that IuCS actually uses IuUP, UP encapsulated in RTP.
See 3GPP TS 25.414, ... neels

03:21 AM Feature #1935 (Closed): abis_om2000: use con_group_del()

In https://gerrit.osmocom.org/1680 I wanted to remove the unused function,
but a comment calls for using the functio... neels

03:11 AM Feature #1711: 3G Auth

On the vlr branch, the first end-to-end test for UMTS milenage authentication is in place
and working, though still ... neels

01/30/2017

05:19 PM Bug #1933 (Rejected): voice call drops after B subscriber accepts the call

During the test of nanoBTS (model 165G) and NITB configured with dynamic channels: 3 TCH/H and 3 PDCH, it was found t... wirelesss

01/27/2017

10:51 PM Support #1927: test patches gerrit #1681...#1685

In our chat I had asked for TCH/F config, specifically *not* dynamic timeslots, but ok, I'll make do with this then.
neels

04:30 PM Support #1927 (In Progress): test patches gerrit #1681...#1685

Test has been performed with sysmoBTS 1002
hashes:
libosmo-abis: 30ffa7ade5aa55e95cf888bbdd9028f2983d663c
libosm... wirelesss

01/26/2017

01:49 AM Support #1927: test patches gerrit #1681...#1685

and ... before you start, make sure that https://gerrit.osmocom.org/1684 has been verified with a V+1 vote by jenkins... neels

01:40 AM Support #1927: test patches gerrit #1681...#1685

It is sufficient to test *only with sysmoBTS*.
You need to build *only openbsc.git's osmo-nitb* from source in ord... neels

01:37 AM Support #1927 (Closed): test patches gerrit #1681...#1685

I have some patches to prepare for VLR in the gerrit queue (1681-1685),
but I am not sure whether they work fine whe... neels

01/24/2017

03:09 PM Feature #1712: 3G Voice

The first RTP payload that the nano3G sends is always
e000df99160051673c01270000820000001710000100
which we e... neels

10:58 AM Feature #1712 (In Progress): 3G Voice

We've finally found out how to get the nano3G to accept a CS RAB Assignment!
When we send a RAB Assignment request... neels

01/23/2017

01:15 PM Bug #1830: Sending SMS via VTY after 'silent-call' command provoked multiple copies of the same text message to be send

Ok, I think there is some general misunderstanding on various sides
here.
* the silent-call feature was originally i... laforge

01:15 PM Bug #1591: libdbi is buggy and slow, get rid of it

On Fri, Jan 20, 2017 at 10:56:48PM +0000, neels [REDMINE] wrote:
> * what to do with SMS in general? I'm not at all f... laforge

01/20/2017

10:56 PM Bug #1591: libdbi is buggy and slow, get rid of it

Hi stuge!
Help is always welcome.
This change must be seen in the light of #1592, IOW the neels/vlr branch (bas... neels

10:19 AM Bug #1830 (In Progress): Sending SMS via VTY after 'silent-call' command provoked multiple copies of the same text message to be send

By looking at the libpcap traces the osmo-nitb writes I was able to spot that the CP-ACK message is missing when a si... dexter

01/19/2017

11:54 PM Bug #1591: libdbi is buggy and slow, get rid of it

I started looking into this several years ago and I'd still like to help if I can.
Maybe I can't help code within ... stuge

11:41 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

If I interpret Figure 4.1a / 3GPP TS 04.08 correctly, I should wait for the first message
after a CM Service Accept,... neels

10:47 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

neels wrote:
> (Actually, only SMS fail to be sent, a USSD service request works with auth+ciph.
> Will find out th... neels

10:41 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

neels wrote:
> *CM Service Request*
> auth+ciph (because of some other message being sent before the actual SMS or ... neels

10:37 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

RIP gsm_subscriber, it now no longer exists on the vlr branch (replaced by vlr_subscriber, bsc_sub and gprs_sub).
... neels

01/18/2017

02:18 PM Support #1922 (In Progress): comprehensive test of MSC subscriber connection and request handling

In the course of #1592, a quite comprehensive test suite is being developed.
This will be part of the code that is m... neels

02:16 PM Support #1922 (Closed): comprehensive test of MSC subscriber connection and request handling

Create a regression test suite in openbsc that does end-to-end testing of libmsc and libvlr.
Simulate BSC and HLR wi... neels

02:05 PM Bug #1591 (New): libdbi is buggy and slow, get rid of it

neels

02:01 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

General status update:
The unit test shows that the new libvlr is working for all core operations:
* Location Upd... neels

07:15 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

Hi neels,
On Tue, Jan 17, 2017 at 09:37:10PM +0000, neels [REDMINE] wrote:
> and I notice that after a proper DETACH... laforge

01/17/2017

09:37 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

Q: how long do we keep a subscriber in the VLR? i.e. how long will we remember the TMSI we assigned?
Details: Upon L... neels

01/14/2017

12:15 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

On Fri, Jan 13, 2017 at 04:36:24PM +0000, neels [REDMINE] wrote:
> We also have the 'token' auth policy, with libmsc/... laforge

01/13/2017

04:36 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

We also have the 'token' auth policy, with libmsc/token_auth.c having a hardcoded
SMS text:... neels

02:55 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

note to self: don't forget to look at what subscr_expire_callback() did and adapt in libvlr neels

12:12 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

Now I see more answers by mail:
> No, just remove the notion of an ID. It's an artefact of using a SQL
> databas... neels

11:50 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

laforge wrote:
> > idea aka premature optimisation: convert the IMSI to int64_t to use as numeric id:
>
> I'd say... neels

11:01 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

On Fri, Jan 13, 2017 at 12:33:17AM +0000, neels [REDMINE] wrote:
> idea aka premature optimisation: convert the IMSI ... laforge

12:33 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

idea aka premature optimisation: convert the IMSI to int64_t to use as numeric id:
with max 15 decimal digits, an IM... neels

12:10 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

neels wrote:
> * id: [...] vlr_subscriber has an ->id.
correction: vlr_subscriber doesn't actually have an id fie... neels

01/12/2017

11:54 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

As said before, subscriber->id needs some thought.
Related are also subscriber->authorized, ->lac, possibly others.
... neels

01:33 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

The voice call paging doesn't happen simply because gsm_subscriber->lac is no longer populated.
So deciding to first... neels

10:01 PM Bug #1657 (Rejected): adding already-existing subscriber crashes OsmoNITB

Couldn't re-produce, VTY test has been updated. zecke

02:23 PM Bug #1830 (New): Sending SMS via VTY after 'silent-call' command provoked multiple copies of the same text message to be send

laforge

02:17 PM Bug #1904: get rid of deprecated functions

For comp128, Neels' VLR work will automatically get rid of that. laforge

01/11/2017

04:44 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

We need to clarify subscriber IDs: previously, with only one hlr.sqlite3 for the NITB also
storing the SMS, there wa... neels

02:51 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

sgsn_test failure fixed.
Ran test with physical sysmoBTS and phone, and (to my positive surprise) things basically... neels

01/10/2017

12:57 PM Feature #1711: 3G Auth

The VLR integration work is tracked in #1592. So when that is done and the 3G branch gets rebased onto it, this issue... neels

12:46 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

On the road to using only vlr_subscriber in libmsc.
gsm_subscriber.extension, .imsi and .tmsi are removed, ensuring ... neels

01/09/2017

11:11 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

BTW, the neels/vlr branch is getting excessively long. It might be good to collapse its commits
to simply add the re... neels

01:40 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

unit tests now verify that the VLR basically can do:
* Location Updating
* CM Service Request (with USSD)
* Pagi... neels

01/06/2017

01:23 PM Bug #1904 (New): get rid of deprecated functions

While compiling OpenBSC there are warnings due to use of libosmo* functions which are deprecated (for example comp128... msuraev

12:08 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

next up:
* duplicate all unit tests with TMSI-required (so far all are with IMSI only).
* so far both a gsm_subsc... neels

12:06 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

- paging with auth and ciph implemented, verified by subscr_conn_test. neels

01/05/2017

06:59 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

- paging is implemented and tested (without auth, pending unit test for paging with auth and ciph)
- ciphering wait ... neels

09:15 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

On Wed, Jan 04, 2017 at 03:12:16PM +0000, neels [REDMINE] wrote:
> I got the impression from two things: a dim memory... laforge

09:16 AM Bug #1591: libdbi is buggy and slow, get rid of it

On Wed, Jan 04, 2017 at 04:11:00PM +0000, neels [REDMINE] wrote:
> I'm noticing that we apparently do still need the ... laforge

01/04/2017

04:11 PM Bug #1591: libdbi is buggy and slow, get rid of it

I'm noticing that we apparently do still need the db for SMS.
So what was previously the hlr.sqlite3 database is mos... neels

03:12 PM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

I got the impression from two things: a dim memory of a conversation with Holger
which I may have misunderstood (so... neels

08:55 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

On Wed, Jan 04, 2017 at 03:15:13AM +0000, neels [REDMINE] wrote:
> Q: It seems that the Ciphering Mode Complete is ba... laforge

03:15 AM Feature #1592: VLR in libmsc, to connect to HLR asynchronously

re "when and how to discard subscriber conns": on the neels/vlr branch, a subscr conn is now
owned by the conn_fsm a... neels