Change in osmo-sgsn[master]: Send a BVC-RESET to all persistent Gb interfaces at start-up

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laforge gerrit-no-reply at lists.osmocom.org
Mon Jul 27 14:43:36 UTC 2020


Hello Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-sgsn/+/19027

to look at the new patch set (#4).

Change subject: Send a BVC-RESET to all persistent Gb interfaces at start-up
......................................................................

Send a BVC-RESET to all persistent Gb interfaces at start-up

3GPP TS 48.018 Section 8.4:

> After any failure affecting the NSE, the party (BSS or SGSN) where
> the failure resided shall reset the signalling BVC. After sending or
> receiving a BVC-RESET PDU for the signalling BVC, the BSS shall stop all
> traffic and initiate the BVC-RESET procedure for all BVCs corresponding
> to PTP functional entities of the underlying network service entity. The
> BSS must complete the BVC-RESET procedure for signalling BVC before
> starting PTP BVC-RESET procedures.

TODO: We should not just trigger a single outbound BVC-RESET message,
but we should re-transmit them until we get a response.   This would
likely entail adding FSMs to libosmogb, which we will leave for a later
point - it's anticipated that the NS + BSSGP code is undergoing quite
some changes in the coming months anyway, so leave it for then.

Change-Id: I0b46035b40709c38bb9ab9493c11031a577e3ee0
Closes: OS#4629
Depends: libosmocore.git I353adc1aa72377f7d4b3336d2ff47791fb73d62c
---
M src/sgsn/sgsn_main.c
1 file changed, 20 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/27/19027/4
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Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Change-Id: I0b46035b40709c38bb9ab9493c11031a577e3ee0
Gerrit-Change-Number: 19027
Gerrit-PatchSet: 4
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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