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/.
neels gerrit-no-reply at lists.osmocom.orgneels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25196 ) Change subject: bts: add TC_early_immediate_assignment_pre_chan_ack ...................................................................... bts: add TC_early_immediate_assignment_pre_chan_ack Related: SYS#5559 Related: Ie52765b238b01f22fb327fe12327fbf10abcad4c (osmo-bts) Change-Id: Ifb2c62431a91dafa6116b5d6b9410930f00a6e18 --- M bts/BTS_Tests.ttcn 1 file changed, 71 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/96/25196/1 diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn index 61c40d4..616ca34 100644 --- a/bts/BTS_Tests.ttcn +++ b/bts/BTS_Tests.ttcn @@ -7691,6 +7691,75 @@ Misc_Helpers.f_shutdown(__BFILE__, __LINE__); } +private function f_TC_early_immediate_assignment(charstring id) runs on ConnHdlr { + var GsmFrameNumber fn; + var ChannelDescription ch_desc; + var integer ra := 23; + + f_l1_tune(L1CTL); + RSL.clear; + + /* Send RACH request and wait for ChanReq */ + fn := f_rach_req_wait_chan_rqd(ra); + + /* The BSC already sends the Immediate Assignment, before the channel is active. + * (Also before the Channel Activation, even. I tried to write this test so that we first send the Chan Act and then the IMM + * ASS, but osmo-bts-trx responds so fast that the Chan Activ ACK comes back even before titan dispatches the + * IMM ASS. So move the IMM ASS even before the Chan Activ.) */ + if (g_pars.fhp.enabled) { + ch_desc := valueof(ts_ChanDescH1(g_pars.chan_nr, g_pars.fhp.maio_hsn, g_pars.tsc)); + } else { + ch_desc := valueof(ts_ChanDescH0(g_pars.chan_nr, mp_trx_pars[0].arfcn, g_pars.tsc)); + } + var GsmRrMessage rr_msg := valueof(ts_IMM_ASS(ra, fn, 0, ch_desc, g_pars.fhp.ma_map)); + RSL.send(ts_RSL_IMM_ASSIGN(enc_GsmRrMessage(rr_msg))); + + /* Do not expect the Immediate Assignment to show up on MS side yet. Even give it one second before the BSC + * requests Chan Activ, to make sure the RR IMM ASS is held back. */ + var L1ctlDlMessage dl; + var GsmRrMessage rr; + + var template GsmRrMessage rr_imm_ass := tr_IMM_ASS(ra, fn); + rr_imm_ass.payload.imm_ass.ded_or_tbf := ?; + rr_imm_ass.payload.imm_ass.pkt_chan_desc := *; + rr_imm_ass.payload.imm_ass.chan_desc := *; + + timer T := 1.0; + T.start; + alt { + [] L1CTL.receive(tr_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0))) -> value dl { + rr := dec_GsmRrMessage(dl.payload.data_ind.payload); + if (match(rr, rr_imm_ass)) { + setverdict(fail, "Expected IMM ASS to be delayed until Chan Act ACK, but it was passed to the MS immediately"); + mtc.stop; + } else { + repeat; + } + } + [] L1CTL.receive { repeat; } + [] T.timeout; + } + RSL.send(ts_RSL_CHAN_ACT(g_chan_nr, g_pars.chan_mode, t_RSL_IE_ActType_IA)); + RSL.receive(tr_RSL_CHAN_ACT_ACK(g_chan_nr)); + + /* Now expect the IMM ASS on Um */ + f_L1CTL_WAIT_IMM_ASS(L1CTL, ra, fn); + setverdict(pass); + + /* Release the channel */ + f_rsl_chan_deact(); + f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr); +} + +testcase TC_early_immediate_assignment() runs on test_CT { + var ConnHdlr vc_conn; + var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN)); + f_init(); + vc_conn := f_start_handler(refers(f_TC_early_immediate_assignment), pars); + vc_conn.done; + Misc_Helpers.f_shutdown(__BFILE__, __LINE__); +} + /* test generation of RLL ERR IND based on Um errors (TS 48.058 3.9) */ /* protocol error as per 44.006 */ /* link layer failure (repetition of I-frame N200 times without ACK */ @@ -7889,6 +7958,8 @@ execute( TC_speech_no_rtp_tchh() ); execute( TC_speech_rtp_tchf() ); execute( TC_speech_rtp_tchh() ); + + execute( TC_early_immediate_assignment() ); } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25196 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: Ifb2c62431a91dafa6116b5d6b9410930f00a6e18 Gerrit-Change-Number: 25196 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210815/381dd4e0/attachment.htm>