Attention is currently required from: pespin, dexter.

fixeria has posted comments on this change. ( 
https://gerrit.osmocom.org/c/osmo-bts/+/33522 )

Change subject: pcu_sock: use PCUIF version 11 (direct TLLI)
......................................................................


Patch Set 1:

(1 comment)

File src/common/pcu_sock.c:

https://gerrit.osmocom.org/c/osmo-bts/+/33522/comment/70aad5e5_eb5edbe2
PS1, Line 635:  pcu_prim->u.data_cnf_dt = (struct gsm_pcu_if_data_cnf_dt) {
> iiuc this makes osmo-bts defacto only use the new SAPI, and hence only work 
> properly against an osmo-pcu using/supporting PCUIF 11.

This has always been the case when bumping the PCUIF protocol version.

> IMHO, osmo-bts should store info on which SAPI was used to send the 
> PDH_DATA.req and then use thew old or new SAPI based on that, to stay 
> compatible against older osmo-pcu.

IMO, this is unnecessary complication. I would even go for removing the old 
TLLI-less messages/structures completely and having only the PCUIFv11 stuff in 
osmo-bts.git, while keeping backwards compatibility in osmo-pcu.git. It's the 
first time we're aiming to stay backwards compatible, and see how many weeks 
it's already taking too finish this. Let's avoid complicating/delaying it even 
further.



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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I25816ac12e63cc6b641eb414e6bc7eaa9c85fc25
Gerrit-Change-Number: 33522
Gerrit-PatchSet: 1
Gerrit-Owner: dexter <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-CC: fixeria <[email protected]>
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Gerrit-Comment-Date: Wed, 28 Jun 2023 11:01:34 +0000
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