Change in osmo-bsc[master]: Ignore CHANnel ReQuireD with Access Delay IE > 63

keith gerrit-no-reply at lists.osmocom.org
Sat Apr 3 00:03:13 UTC 2021


Hello Jenkins Builder, fixeria, 

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

    https://gerrit.osmocom.org/c/osmo-bsc/+/23574

to look at the new patch set (#5).

Change subject: Ignore CHANnel ReQuireD with Access Delay IE > 63
......................................................................

Ignore CHANnel ReQuireD with Access Delay IE > 63

It is observed that a CHANnel ReQuireD with access delay
greater than 63 can be received from the Ericsson RBS.
This results in osmo-bsc sending back a CHANnel ACTIVation with
a Timing Advance IE containing the access delay value.
The RBS NACKs this, leading to a BORKEN Channel.

This patch makes the maximum acceptable access delay vty-configurable
and Ignores CHANnel ReQuireD RSL Messages with Access Delay IE greater
than that configured. Default value is 63.

Related: OS#5096
Change-Id: Ie8987bcc0e43921bc753162b77a0efc68799b3ce
---
M include/osmocom/bsc/bts.h
M src/osmo-bsc/abis_rsl.c
M src/osmo-bsc/bsc_vty.c
M src/osmo-bsc/bts.c
4 files changed, 33 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/74/23574/5
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Ie8987bcc0e43921bc753162b77a0efc68799b3ce
Gerrit-Change-Number: 23574
Gerrit-PatchSet: 5
Gerrit-Owner: keith <keith at rhizomatica.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-CC: laforge <laforge at osmocom.org>
Gerrit-MessageType: newpatchset
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