This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.
pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25009 ) Change subject: bsc: Test tch allocation if sdcch exhausted ...................................................................... bsc: Test tch allocation if sdcch exhausted Related: SYS#5548 Change-Id: I0c958de10a3643f8b94479d676dd1ac1b9140802 --- M bsc/BSC_Tests.ttcn 1 file changed, 77 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/09/25009/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index ae805e3..23f3164 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -4517,6 +4517,68 @@ f_shutdown_helper(); } +/* request a signalling channel with all SDCCH exhausted, it is expected that a TCH will be selected */ +private function f_TC_assignment_sdcch_exhausted_req_signalling(charstring id) runs on MSC_ConnHdlr { + g_pars := f_gen_test_hdlr_pars(); + g_pars.ra := '02'O; /* RA containing reason=LU*/ + + var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(g_pars.imsi)); + var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi)); + var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info); + var template uint3_t tsc := ?; + + f_MscConnHdlr_init(g_pars.media_nr, host_bts, host_mgw_mgcp, FR_AMR); + + //RSL.send(ts_RSLDC_ChanRqd(g_pars.ra, 32)); + f_create_bssmap_exp(l3_enc); + /* call helper function for CHAN_RQD -> IMM ASS ->EST_IND */ + RSL_Emulation.f_chan_est(g_pars.ra, l3_enc, g_pars.link_id, g_pars.fn, tsc); + + /* we should now have a COMPL_L3 at the MSC */ + timer T := 10.0; + T.start; + alt { + [] BSSAP.receive(tr_BSSMAP_ComplL3); + [] T.timeout { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting for COMPLETE LAYER 3 INFORMATION"); + } + } +} +testcase TC_assignment_sdcch_exhausted_req_signalling() runs on test_CT { + var MSC_ConnHdlr vc_conn; + f_init(1, true); + f_sleep(1.0); + f_disable_all_sdcch(); + vc_conn := f_start_handler(refers(f_TC_assignment_sdcch_exhausted_req_signalling)); + vc_conn.done; + f_enable_all_sdcch(); + f_shutdown_helper(); +} + +/* Request a signalling channel with all SDCCH exhausted, it is + expected that no TCH will be selected for signalling and assigment will fail + because it's dictated by VTY config */ +testcase TC_assignment_sdcch_exhausted_req_signalling_tch_forbiden() runs on test_CT { + var RSL_Message rsl_unused, rsl_msg; + var GsmRrMessage rr; + f_init(1, false); + f_sleep(1.0); + f_vty_allow_tch_for_signalling(false, 0); + f_disable_all_sdcch(); + + /* RA containing reason=LU*/ + f_ipa_tx(0, ts_RSL_CHAN_RQD('02'O, 2342)); + rsl_msg := f_exp_ipa_rx(0, tr_RSL_IMM_ASSIGN(0)); + rr := dec_GsmRrMessage(rsl_msg.ies[1].body.full_imm_ass_info.payload); + if (rr.header.message_type != IMMEDIATE_ASSIGNMENT_REJECT) { + setverdict(fail, "Expected reject"); + } + + f_vty_allow_tch_for_signalling(true, 0); + f_enable_all_sdcch(); + f_shutdown_helper(); +} + testcase TC_assignment_osmux() runs on test_CT { var TestHdlrParams pars := f_gen_test_hdlr_pars(); var MSC_ConnHdlr vc_conn; @@ -7828,6 +7890,19 @@ f_vty_transceive(BSCVTY, "exit"); } +/* Allow/Forbid TCH for signalling if SDCCH exhausted on a given BTS via VTY */ +private function f_vty_allow_tch_for_signalling(boolean allow, integer bts_nr) runs on test_CT { + f_vty_enter_cfg_bts(BSCVTY, bts_nr); + if (allow) { + f_vty_transceive(BSCVTY, "channel allocator allow-tch-for-signalling 1"); + } else { + f_vty_transceive(BSCVTY, "channel allocator allow-tch-for-signalling 0"); + } + f_vty_transceive(BSCVTY, "exit"); + f_vty_transceive(BSCVTY, "exit"); + f_vty_transceive(BSCVTY, "exit"); +} + /* Begin assignmet procedure and send an EMERGENCY SETUP (RR) */ private function f_assignment_emerg_setup() runs on MSC_ConnHdlr { var PDU_ML3_MS_NW emerg_setup; @@ -9407,6 +9482,8 @@ execute( TC_assignment_codec_hr_exhausted_req_fr_hr() ); execute( TC_assignment_codec_req_hr_fr() ); execute( TC_assignment_codec_req_fr_hr() ); + execute( TC_assignment_sdcch_exhausted_req_signalling() ); + execute( TC_assignment_sdcch_exhausted_req_signalling_tch_forbiden() ); execute( TC_assignment_osmux() ); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25009 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: I0c958de10a3643f8b94479d676dd1ac1b9140802 Gerrit-Change-Number: 25009 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210722/075d709b/attachment.htm>