osmo-gsm-tester[master]: Enable 2nd TRX

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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.org
Wed Nov 8 09:38:00 UTC 2017


Patch Set 2: Code-Review-1

(1 comment)

https://gerrit.osmocom.org/#/c/4674/2/example/defaults.conf
File example/defaults.conf:

Line 52:    - nominal_power: 23
> Does this mean all octphy BTSs will have two TRXs configured, always? I mea
It indeed means all octphy BTS will have two TRX configured always.

> IOW, is it possible to add this second trx in the general bsc defaults instead, without making all BTSs everywhere have two TRXs in their configs?

It's not possible as per current implementation, because in conf_for_bsc we simply pass the  overlay of all the trx_list configs, which means if one overlay level has 2 trx in the list, the final list will end up having 2 trx. It can be solved in 2 different ways:

- Adding an extra "num_trx" attribute in config which specifies that only the first N trx from "trx_list" are to be used (and thus written in the config passed to the bsc).
- Adding a BTS API set_num_trx() which sets self.num_trx and that is used to inficate that the first N trx from "trx_list" are to be used (and thus written in the config passed to the bsc).

Actually, both are compatible. We may also want to add a BTS API to set TRX in "trx_list" from inside tests too.

In any case, I'm not merging this patch for now as the octbts we have is failing to configure it. I pushed it as a showcase to continue work for later once we are able to configure the BTS with 2 TRX without failing.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I7e988cb0d891c3a8da1b29a3889b5bc8edbbe1ee
Gerrit-PatchSet: 2
Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-HasComments: Yes



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