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daniel gerrit-no-reply at lists.osmocom.orgdaniel 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 ...................................................................... Patch Set 11: (3 comments) 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) > I don't like having this logic repeated in two places (here and in gsm48_rx_gmm_att_req), so a funct […] Do we also want to trigger a RAT change for other messages (like service request, ...)? Without looking at a spec my feeling is that this is not permitted. Still it would probably be good to move this test to gsm0408_rcv_gmm() and return an error if the msg_type is not RA_UPD_REQ or ATTACH_REQ). https://gerrit.osmocom.org/c/osmo-sgsn/+/15487/11/src/sgsn/gprs_gmm.c@1649 PS11, Line 1649: osmo_fsm_inst_dispatch(mmctx->gmm_fsm, E_GMM_COMMON_PROC_INIT_REQ, NULL); > Why is this line needed/added? comment welcome. Good question, I'm not really sure. It's called in ptmsi_update anyway in line 1672 so maybe it's redundant (what if PTMSI_ALLOC is not defined)? https://gerrit.osmocom.org/c/osmo-sgsn/+/15487/11/src/sgsn/gprs_gmm.c@1663 PS11, Line 1663: if (!mmctx->gb.llme) > That can only happen if we are in RAT change, so it makes sense to move it in the above code block y […] I'd the pass a proper struct as user pointer to osmo_fsm_inst_dispatch() with the new ran_type and llme pointer/other information. Does that make sense? -- To view, visit https://gerrit.osmocom.org/c/osmo-sgsn/+/15487 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings 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: Wed, 22 Jan 2020 18:08:28 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: pespin <pespin at sysmocom.de> Gerrit-MessageType: comment -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20200122/61b292ef/attachment.htm>