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Change subject: Clarify configuration of TSC on each timeslot
......................................................................
Patch Set 1: Verified+1
(1 comment)
Patchset:
PS1:
Tested this patch on top of current osmo-bts master in 201705-nightly, with BSIC=0x0a and pSetChanAttr with TSC=0x02, it works fine as expected.
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Change subject: gm_12_21.h: Add cross-component parameter defaults (NSE timing)
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Patch Set 1:
(1 comment)
Patchset:
PS1:
> what's the status here? no updates since March 14 on something presumably simple which prevents all […]
The issue has been stuck, because I was waiting for some more input on PCU IF changes. I had sent a mail to dexter concerning the PCU IF change I wanted to make;
I didn't get a direct reply (which led me to work on other issues). There was some discussion here https://gerrit.osmocom.org/c/osmo-bts/+/31885 about what could be done, but it didn't seem very conclusive to me concerning next steps with my patch.
Seems like dexter is still working on the version bump to v11 of PCU IF (I suppose here https://gerrit.osmocom.org/c/osmo-bts/+/31600 ), I've just written a comment asking for clarification on further steps here https://gerrit.osmocom.org/c/osmo-bts/+/31885/comments/0c79b1ee_06b6b60e and will contact dexter regarding this.
Thank you for the heads up, I'll think more of following up on issues that need input.
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Change subject: Clarify configuration of TSC on each timeslot
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Set Ready For Review
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fixeria has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/32176 )
Change subject: gprs: fix has_valid_nsvc(): permit local udp port 0
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Patch Set 1:
(1 comment)
Patchset:
PS1:
> (Copy-pasting from previous Change-Id:)
What previous Change-Id? It's a new patch.
I am guessing you meant: https://gerrit.osmocom.org/c/osmo-bsc/+/32169.
> The question here is more: does it make sense from network architecture point of view that PCU binds to a randomly available port for Gb?
You have to use a different bind port anyway when running everything on the same host. I have 23023 in my config file, which does not clash with 23000 used by osmo-sgsn by default. I see random bind port selection as a useful option, removing the need to pick and configure it manually.
> AFAIU it makes no sense, since it needs to bind to a specific port also known by the SGSN so that it knows where to send packets to. Or is the SGSN available to learn dynamically of the PCU by listening() on its port?
AFAIU, osmo-sgsn "learns" the PCU's bind port during the initial NS handshake, yes. So it needs not to be known by the SGSN in advance. There is no config options in osmo-sgsn to specify the bind addresses of PCUs.
I also confirmed in the leaked ip.access A-bis document that 0 is a valid special value, which tells the PCU to bind() at a random port number.
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Change subject: PCU IF: Update NSE timer field
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Patch Set 1:
(1 comment)
File include/osmo-bts/pcuif_proto.h:
https://gerrit.osmocom.org/c/osmo-bts/+/31885/comment/26da5482_d4f29348
PS1, Line 156: PCU_IF_NUM_NSE_TIMERS
> Extending the timer at the end of the struct would change the message size and hence would break the […]
So, how exactly do I go about updating the PCU IF now/ how does Osmocom go about these version bumps?
It's also not clear to me right now what change is preferred... pespin's last comment
> I wouldn't really care for now about that, I don't expect the size of this array to change lots of times. I'd leave it as/where it is, update the size now like you did.
sounded like this patch would be alright (?) and I should just add a version bump for osmo-bts, osmo-bsc and osmo-pcu?
Last but not least, since that was also mentioned: Should we add this PCU IF change to the version bump in https://gerrit.osmocom.org/c/osmo-bts/+/31600/1/include/osmo-bts/pcuif_prot… ?
This concerns two other patches of mine as well:
https://gerrit.osmocom.org/c/osmo-pcu/+/31886
and
https://gerrit.osmocom.org/c/osmo-bsc/+/31880 (which I will probably have to change so as to separate out the PCU_IF change)
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Change subject: tests: rename and extend gprs_{bvci_default->params}.vty
......................................................................
Patch Set 2:
(1 comment)
Patchset:
PS2:
> I am not following you. […]
My bad, I was the one which I confused the patches and wrote the comment initially in here instead of the other one. I copy-pasted my comment to the one which I aimed.
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Change subject: tests: add more tests for GPRS NSVC parameters
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Patch Set 2:
(1 comment)
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PS2:
> Neither I do. But we have what we have. I am not changing the logic. […]
Yeah, just sharing my view in case all this needs to be developed further.
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Change subject: tests: rename and extend gprs_{bvci_default->params}.vty
......................................................................
Patch Set 2:
(1 comment)
Patchset:
PS2:
> Ok, this is a totally new commit after latest version submit, and the discussion doesn't apply anymo […]
I am not following you. This is exactly the same commit with exactly the same change ID, I simply removed the statements about the local port being 0 is wrong and about sane defaults...
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