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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.orgPau Espin Pedrol has submitted this change and it was merged. ( https://gerrit.osmocom.org/9949 ) Change subject: lib: GTP_Emulation: Allow receiving packets with TEID 0 ...................................................................... lib: GTP_Emulation: Allow receiving packets with TEID 0 Some GTP messages like Echo Request, Echo Reply and Ind Error don't use the TEID value. According to 3GPP TS 29.060 sec 9.3.1 in those cases the TEID is set to 0: """ - TEID: Contains the Tunnel Endpoint Identifier for the tunnel to which this T-PDU belongs. The TEID shall be used by the receiving entity to find the PDP context, except for the following cases: - The Echo Request/Response and Supported Extension Headers notification messages, where the Tunnel Endpoint Identifier shall be set to all zeroes. - The Error Indication message where the Tunnel Endpoint Identifier shall be set to all zeros. """ Change-Id: Ic702b78028e850ed961ef805f35e10a42da34e56 --- M library/GTP_Emulation.ttcn 1 file changed, 11 insertions(+), 2 deletions(-) Approvals: Harald Welte: Looks good to me, approved Jenkins Builder: Verified diff --git a/library/GTP_Emulation.ttcn b/library/GTP_Emulation.ttcn index 534fdef..615309a 100644 --- a/library/GTP_Emulation.ttcn +++ b/library/GTP_Emulation.ttcn @@ -185,10 +185,19 @@ var template hexstring imsi_t := f_gtpc_extract_imsi(g1c_ud.gtpc); if (isvalue(imsi_t)) { vc_conn := f_comp_by_imsi(valueof(imsi_t)); - } else { + CLIENT.send(g1c_ud) to vc_conn; + } else if(g1c_ud.gtpc.teid != int2oct(0, 4)) { vc_conn := f_comp_by_teid(g1c_ud.gtpc.teid); + CLIENT.send(g1c_ud) to vc_conn; + } else { + /* Send to all clients */ + var integer i; + for (i := 0; i < sizeof(TidTable); i := i+1) { + if (isbound(TidTable[i].teid) and TidTable[i].teid == teid) { + CLIENT.send(g1c_ud) to TidTable[i].vc_conn; + } + } } - CLIENT.send(g1c_ud) to vc_conn; } [] GTPU.receive(Gtp1uUnitdata:?) -> value g1u_ud { vc_conn := f_comp_by_teid(g1u_ud.gtpu.teid); -- To view, visit https://gerrit.osmocom.org/9949 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: Ic702b78028e850ed961ef805f35e10a42da34e56 Gerrit-Change-Number: 9949 Gerrit-PatchSet: 2 Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180711/cc5230dd/attachment.htm>