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pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25938 ) Change subject: bsc: Introduce test TC_dyn_ts_sdcch8_all_subslots_used ...................................................................... bsc: Introduce test TC_dyn_ts_sdcch8_all_subslots_used Related: OS#5278 Related: SYS#5309 Change-Id: Iee37eef2012ce2c2e2f0a0db4c26abb75a947d84 --- M bsc/BSC_Tests.ttcn 1 file changed, 79 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/38/25938/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index cebd634..d3a66b7 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -1672,6 +1672,36 @@ return dt; } +function f_est_dchan_dyn(OCT1 ra, GsmFrameNumber fn, octetstring l3) +runs on test_CT return DchanTuple { + var BSSAP_N_CONNECT_ind rx_c_ind; + var DchanTuple dt; + + /* Send CHAN RQD */ + var RSL_Message rx_rsl; + f_ipa_tx(0, ts_RSL_CHAN_RQD(ra, fn)); + + /* The dyn TS first deactivates PDCH */ + rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_RF_CHAN_REL), T3101_MAX); + dt.rsl_chan_nr := rx_rsl.ies[0].body.chan_nr; + f_ipa_tx(0, ts_RSL_RF_CHAN_REL_ACK(dt.rsl_chan_nr)); + + rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); + dt.rsl_chan_nr := rx_rsl.ies[0].body.chan_nr; + + /* Now activates the signalling channel */ + f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(dt.rsl_chan_nr, fn+10)); + rx_rsl := f_exp_ipa_rx(0, tr_RSL_IMM_ASSIGN(0)); + + f_ipa_tx(0, ts_RSL_EST_IND(dt.rsl_chan_nr, valueof(ts_RslLinkID_DCCH(0)), l3)); + + BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3(l3))) -> value rx_c_ind; + dt.sccp_conn_id := rx_c_ind.connectionId; + BSSAP.send(ts_BSSAP_CONNECT_res(dt.sccp_conn_id)); + + return dt; +} + /* expect RF CAN REL from BTS, acknowledge it and clear the MSC side */ private function f_exp_chan_rel_and_clear(DchanTuple dt, integer bts_nr := 0) runs on test_CT { var RSL_Message rx_rsl; @@ -7241,6 +7271,54 @@ f_shutdown_helper(); } +/* Validate all 8 subslots of a dynamics TS configured as SDCCH8 are used */ +testcase TC_dyn_ts_sdcch8_all_subslots_used() runs on test_CT { + var ASP_RSL_Unitdata rsl_ud; + var integer i; + var integer chreq_total, chreq_nochan; + + f_init_vty(); + for (i := 1; i < 8; i := i + 1) { + if (i == 2) { + f_ts_set_chcomb(0, 0, i, "TCH/F_TCH/H_SDCCH8_PDCH"); + } else { + f_ts_set_chcomb(0, 0, i, "PDCH"); + } + } + f_vty_transceive(BSCVTY, "drop bts connection 0 oml"); + + f_init(1); + + /* The dyn TS want to activate PDCH mode, ACK that. */ + var RslChannelNr chan_nr; + chan_nr := valueof(t_RslChanNr_PDCH(2)); + f_exp_ipa_rx(0, tr_RSL_CHAN_ACT_PDCH(chan_nr, ?)); + f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(chan_nr, 2342)); + + f_sleep(1.0); + + /* Exhaust all dedicated SDCCH lchans. + /* GSM 44.018 Table 9.1.8.2: + * RA = '13'O -> Establishment cause = 0001xxxx (MS dual rate capable and asks for "SDCCH"). + */ + for (i := 0; i < NUM_SDCCH_PER_BTS; i := i+1) { + f_est_dchan('13'O, NUM_SDCCH_PER_BTS + i, '00010203040506'O); + } + + /* Three dyn TS as well as one static TCH/F and one TCH/H timeslot are available. + * The first dyn TS gets converted to SDCCH8 */ + f_est_dchan_dyn('33'O, NUM_SDCCH_PER_BTS + i, '00010203040506'O); + /* Also occupy the seven other SDCCH of the dyn TS */ + for (i := 0; i < 7; i := i+1) { + f_est_dchan('33'O, NUM_SDCCH_PER_BTS + i, '00010203040506'O); + } + + /* clean up config */ + f_ts_reset_chcomb(0); + + f_shutdown_helper(); +} + /* Test Osmocom dyn TS SDCCH8 activation / deactivation: If activating dyn TS as SDCCH8 would end up in having no free TCH, then BSC should decide to activate it as TCH directly instead. SYS#5309. */ @@ -10517,6 +10595,7 @@ execute( TC_dyn_pdch_osmo_act_nack() ); if (mp_enable_dyn_sdcch8_test) { execute( TC_dyn_ts_sdcch8_act_deact() ); + execute( TC_dyn_ts_sdcch8_all_subslots_used() ); execute( TC_dyn_ts_sdcch8_tch_call_act_deact() ); execute( TC_dyn_ts_sdcch8_act_nack() ); } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25938 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: Iee37eef2012ce2c2e2f0a0db4c26abb75a947d84 Gerrit-Change-Number: 25938 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/20211025/7162244c/attachment.htm>