[M] Change in osmo-sgsn[master]: Re-introduce Iu/UTRAN support

Attention is currently required from: lynxis lazus. pespin has posted comments on this change by lynxis lazus. ( https://gerrit.osmocom.org/c/osmo-sgsn/+/40813?usp=email ) Change subject: Re-introduce Iu/UTRAN support ...................................................................... Patch Set 2: (4 comments) File src/sgsn/gprs_routing_area.c: https://gerrit.osmocom.org/c/osmo-sgsn/+/40813/comment/61e2041c_dfc78cb7?us… : PS2, Line 439: } else { You can move this code path above as an early return. https://gerrit.osmocom.org/c/osmo-sgsn/+/40813/comment/474fcc2c_c57d039b?us… : PS2, Line 483: else if (mmctx->p_tmsi_old != GSM_RESERVED_TMSI) these "else" here and below are not needed since you are doing early return. File tests/gprs_routing_area/gprs_routing_area_test.c: https://gerrit.osmocom.org/c/osmo-sgsn/+/40813/comment/ef73e0de_092b9552?us… : PS2, Line 541: /* check if a GERAN RA/cell with the same LAC as an already register UTRAN gets rejected */ registered? https://gerrit.osmocom.org/c/osmo-sgsn/+/40813/comment/6c557f6c_b5f73713?us… : PS2, Line 542: void test_routing_area_mv_utran_geran_reject(void) I think it's worth explaining here that this is an implementation decision we took and that it's not 100% clear whether LACs from different RANs can be supported. -- To view, visit https://gerrit.osmocom.org/c/osmo-sgsn/+/40813?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: comment Gerrit-Project: osmo-sgsn Gerrit-Branch: master Gerrit-Change-Id: I1b1aedd2a7c358bd388aa3d8a9f3c6a0011b4889 Gerrit-Change-Number: 40813 Gerrit-PatchSet: 2 Gerrit-Owner: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: Jenkins Builder Gerrit-CC: pespin <pespin(a)sysmocom.de> Gerrit-Attention: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Comment-Date: Mon, 18 Aug 2025 10:05:34 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No