Change in osmo-bsc[master]: om2k: Add option to limit OML version during negotiation

[tnt]

Hello Jenkins Builder, 

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

    https://gerrit.osmocom.org/c/osmo-bsc/+/18122

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

Change subject: om2k: Add option to limit OML version during negotiation
......................................................................

om2k: Add option to limit OML version during negotiation

Starting from G12R13 the MCTR swiches to BSC controlled mode. And
although we think we know how to configure it (via MCTR Conf Req),
something doesn't work right and the timeslot configuration is not
accepted. (TS Conf Result shows "Data not according to request").

So as a workaround for now, we use this version of the protocol where
we don't configure the MCTR (it's in "BTS controlled mode") and with
this protocol, the BTS accepts our timeslot config and we can bring
the system up.

This commit add a generic option to limit either OML or RSL IWD
version to any value. It also keeps track of the actual negotation
version so we can react to it in other places of the code.

Signed-off-by: Sylvain Munaut <tnt at 246tNt.com>
Change-Id: I8f0b0ba72056ea4250fe490e7a38630c77c04f65

better version limit

Change-Id: Ia789f8ede3eab7eeca6c759da0109e0b53398f60
---
M include/osmocom/bsc/gsm_data.h
M src/osmo-bsc/abis_om2000.c
M src/osmo-bsc/abis_om2000_vty.c
3 files changed, 91 insertions(+), 8 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/22/18122/2
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Ia789f8ede3eab7eeca6c759da0109e0b53398f60
Gerrit-Change-Number: 18122
Gerrit-PatchSet: 2
Gerrit-Owner: tnt <tnt at 246tNt.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-MessageType: newpatchset
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