Change in ...osmo-bsc[master]: neighbor config: allow re-using ARFCN+BSIC pairs

neels gerrit-no-reply at lists.osmocom.org
Mon Jul 29 17:53:46 UTC 2019


Hello pespin, laforge, Jenkins Builder, 

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

    https://gerrit.osmocom.org/c/osmo-bsc/+/14769

to look at the new patch set (#2).

Change subject: neighbor config: allow re-using ARFCN+BSIC pairs
......................................................................

neighbor config: allow re-using ARFCN+BSIC pairs

Fix neighbor config to match OsmoBSC manual: implement the plan for neighbor
configuration that was so far only described in the manual without actually
being in operation.

This first allows re-using ARFCN+BSIC pairs in and across BSS.

So far the handover_start() code always looked for handover target cells across
*all* local cells, even if they were not listed as neighbors to a source cell.
Imply all cells as neighbors only as long as there are no explicit neighbors
configured. As soon as the first 'neighbor' line appears in a 'bts' config,
only the listed neighbors are regarded as handover target cells. (The
'neighbor-list' commands are not related to this, only the relatively new
'neighbor (bts|lac|cgi|...)' commands affect actual handover procedures.)

TTCN3 tests TC_ho_neighbor_config_1 thru _7 play through the various aspects of
neighbor configuration: both the legacy implicit all-cells-are-neighbors as
well as allowing only explicit neighbors by config.

Related: OS#4056
Related: osmo-ttcn3-hacks Ia4ba0e75abd3d45a3422b2525e5f938cdc5a04cc
Change-Id: I29bca59ab232eddc74e0d4698efb9c9992443983
---
M include/osmocom/bsc/handover.h
M include/osmocom/bsc/handover_fsm.h
M include/osmocom/bsc/neighbor_ident.h
M src/osmo-bsc/handover_decision_2.c
M src/osmo-bsc/handover_fsm.c
M src/osmo-bsc/handover_logic.c
M src/osmo-bsc/neighbor_ident_vty.c
M tests/bsc/bsc_test.c
8 files changed, 241 insertions(+), 61 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/69/14769/2
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I29bca59ab232eddc74e0d4698efb9c9992443983
Gerrit-Change-Number: 14769
Gerrit-PatchSet: 2
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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