Change in osmo-sgsn[master]: gprs_gmm_fsm.c: Implement RAT change between 2g and 3g

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lynxis lazus gerrit-no-reply at lists.osmocom.org
Thu Jan 23 21:04:42 UTC 2020


lynxis lazus has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-sgsn/+/15487 )

Change subject: gprs_gmm_fsm.c: Implement RAT change between 2g and 3g
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Patch Set 11:

(1 comment)

https://gerrit.osmocom.org/c/osmo-sgsn/+/15487/11/src/sgsn/gprs_gmm.c 
File src/sgsn/gprs_gmm.c:

https://gerrit.osmocom.org/c/osmo-sgsn/+/15487/11/src/sgsn/gprs_gmm.c@1644 
PS11, Line 1644: 	if (MSG_IU_UE_CTX(msg) && mmctx->ran_type != MM_CTX_T_UTRAN_Iu)
> we need to find out before merging this patch blindly.
The problem overall is, we have to refactor the full Attach Request/RAU logic. After a AttachRequest/RAU is started, it's not allowed to do anything else. however before the authentication went through, we can't be sure, that this is our subscriber.
RAT changes only happens by Handover (not implemented), AttachRequest or RAU. It's not possible to do a Service Reqeust



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Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Change-Id: I3fc614da6ba137e871ee0fe86ca22b6a4a354dd2
Gerrit-Change-Number: 15487
Gerrit-PatchSet: 11
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-Reviewer: lynxis lazus <lynxis at fe80.eu>
Gerrit-CC: fixeria <axilirator at gmail.com>
Gerrit-CC: laforge <laforge at osmocom.org>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-Comment-Date: Thu, 23 Jan 2020 21:04:42 +0000
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Comment-In-Reply-To: pespin <pespin at sysmocom.de>
Comment-In-Reply-To: daniel <dwillmann at sysmocom.de>
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