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laforge gerrit-no-reply at lists.osmocom.orglaforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21629 ) Change subject: bssgp: Introduce "GLOBAL" port for PTP BVC ...................................................................... bssgp: Introduce "GLOBAL" port for PTP BVC There are some messages/procedures on a PTP BVC which are not related to one specific TLLI, but affect the whole PTP BVC. First and foremost that is the FLOW-CONTROL-BVC. Let's check if the user is interested in handling those internally (by connecting to the GLOBAL port). If not, fall back to acknowledging all incoing FC-BVC and ignoring all ACKs. Related: OS#4891 Change-Id: Ib80a6a522dbcb33fd0e7bd31a73ef28fdc636f57 --- M library/BSSGP_Emulation.ttcnpp 1 file changed, 24 insertions(+), 8 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/29/21629/1 diff --git a/library/BSSGP_Emulation.ttcnpp b/library/BSSGP_Emulation.ttcnpp index ebe9f45..633eee2 100644 --- a/library/BSSGP_Emulation.ttcnpp +++ b/library/BSSGP_Emulation.ttcnpp @@ -698,7 +698,10 @@ /* port to a management instance */ port BSSGP_BVC_MGMT_SP_PT MGMT; - /* BSSGP-User SAP towards the user (Client) */ + /* per-BVC global port for e.g. BVC Flow Control */ + port BSSGP_SP_PT GLOBAL; + + /* BSSGP-User SAP towards the user (per-TLLI, Client) */ port BSSGP_SP_PT BSSGP_SP; port BSSGP_SP_PT BSSGP_SP_SIG; port BSSGP_PROC_PT BSSGP_PROC; @@ -1119,16 +1122,24 @@ [] as_ptp_handle_inbound_reset(); - /* simply acknowledge all per-BVC Flow Control Messages */ [g_sgsn_role] BVC.receive(tr_ptp_BnsUdInd(tr_BVC_FC_BVC, g_cfg.bvci)) -> value udi { - var OCT1 tag := udi.bssgp.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value; - BVC.send(ts_ptp_BnsUdReq(t_BVC_FC_BVC_ACK(tag), g_cfg.bvci, g_bvc_lsp)); + if (GLOBAL.checkstate("Connected")) { + GLOBAL.send(udi.bssgp); + } else { + /* simply acknowledge all per-BVC Flow Control Messages */ + var OCT1 tag := udi.bssgp.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value; + BVC.send(ts_ptp_BnsUdReq(t_BVC_FC_BVC_ACK(tag), g_cfg.bvci, g_bvc_lsp)); + } } -/* - [g_sgsn_role] BVC.receive(tr_ptp_BnsUdInd(t_BVC_FC_MS, g_cfg.bvci)) { - BVC.send(ts_ptp_BnsUdReq(t_BVC_FC_MS_ACK, g_cfg.bvci)); + + [not g_sgsn_role] BVC.receive(tr_ptp_BnsUdInd(t_BVC_FC_BVC_ACK(?), g_cfg.bvci)) -> value udi { + if (GLOBAL.checkstate("Connected")) { + GLOBAL.send(udi.bssgp); + } else { + /* ignore any incoming flow control ACK */ + } } -*/ + /* Any other PTP BSSGP message: If it has TLLI, route to component; otherwise broadcast */ [] BVC.receive(tr_ptp_BnsUdInd(?, g_cfg.bvci)) -> value udi { var BssgpDecoded dec := f_dec_bssgp(udi.bssgp); @@ -1221,6 +1232,11 @@ BVC.send(ts_ptp_BnsUdReq(ts_BSSGP_DL_UD(tlli, llc_enc), g_cfg.bvci, oct2int(tlli))); } + /* Testcase sends us BSSGP on global port */ + [] GLOBAL.receive(PDU_BSSGP:?)-> value bs_pdu sender vc_conn { + BVC.send(ts_ptp_BnsUdReq(bs_pdu, g_cfg.bvci, g_bvc_lsp)); + } + [] MGMT.receive(BssgpBlockRequest:?) -> value bbr { f_ptp_sendBlock(bbr.cause); } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21629 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ib80a6a522dbcb33fd0e7bd31a73ef28fdc636f57 Gerrit-Change-Number: 21629 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge at osmocom.org> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20201209/08f4eb8b/attachment.htm>