diff options
author | Pau Espin Pedrol <pespin@espeweb.net> | 2021-03-02 17:29:32 +0100 |
---|---|---|
committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2021-03-04 12:43:25 +0100 |
commit | 90fdfed82999d42f449fa66a7bd0b056dd97c7f5 (patch) | |
tree | 58d9a8aa2cf672bddb237849316d5a3e771bb760 /pcu/PCU_Tests.ttcn | |
parent | ddd6c3f656f1ce1f8f989e3f394611b9016e200f (diff) |
pcu: Introduce test TC_dl_no_ack_retrans_imm_ass
Change-Id: I1c1d89f3de9ba158f802e7759ef78dc84f48218f
Diffstat (limited to 'pcu/PCU_Tests.ttcn')
-rw-r--r-- | pcu/PCU_Tests.ttcn | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn index 5d7a47ae..a68acc40 100644 --- a/pcu/PCU_Tests.ttcn +++ b/pcu/PCU_Tests.ttcn @@ -2130,6 +2130,97 @@ testcase TC_ul_flow_multiple_llc_blocks() runs on RAW_PCU_Test_CT { f_shutdown(__BFILE__, __LINE__, final := true); } +/* Validate an Imm Assignment is retransmitted if first RRBP requesting DL + * ACK/NACK is not answered */ +testcase TC_dl_no_ack_retrans_imm_ass() runs on RAW_PCU_Test_CT { + var RlcmacDlBlock dl_block; + var octetstring data1 := f_rnd_octstring(200); + var octetstring data2 := f_rnd_octstring(10); + var uint32_t dl_fn; + var GprsMS ms; + var template (value) TsTrxBtsNum nr; + var BTS_PDTCH_Block data_msg; + + /* Initialize NS/BSSGP side */ + f_init_bssgp(); + /* Initialize GPRS MS side */ + f_init_gprs_ms(); + ms := g_ms[0]; /* We only use first MS in this test */ + + /* Initialize the PCU interface abstraction */ + f_init_raw(testcasename()) + + /* Establish BSSGP connection to the PCU */ + f_bssgp_establish(); + f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli); + + /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data1)); + f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); + + /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ + f_sleep(X2002); + + /* Recv DL data until receiving RRBP to DL ACK (because it's last queued DL data) */ + while (true) { + f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, ?, ?); + + /* Keep Ack/Nack description updated (except for last BSN) */ + f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block); + + if (f_dl_block_rrbp_valid(dl_block)) { + /* Don't transmit DL ACK here on purpose ignore it */ + break; + } + } + + /* PCU starts whole process again */ + f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); + + /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ + f_sleep(X2002); + + /* Recv DL data until receiving RRBP to DL ACK (because it's last queued + /* DL data), after that we receive only DUMMY blocks so we are done */ + var boolean data_received := false; + nr := ts_TsTrxBtsNum; + BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr, + sapi := PCU_IF_SAPI_PDTCH, fn := 0, + arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)), + block_nr := nr.blk_nr)); + alt { + [data_received] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr, + tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH), + tr_RLCMAC_DUMMY_CTRL)) { /* done */ } + [] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr, + tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH), + tr_RLCMAC_DATA)) -> value data_msg { + data_received := true; + f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, data_msg.dl_block); + if (data_msg.dl_block.data.mac_hdr.hdr_ext.fbi) { + log("Received FINAL_ACK"); + ms.dl_tbf.acknack_desc.final_ack := '1'B; + } + if (f_dl_block_rrbp_valid(data_msg.dl_block)) { + f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), + f_dl_block_ack_fn(dl_block, data_msg.raw.fn)); + } + nr := ts_TsTrxBtsNum; + BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr, + sapi := PCU_IF_SAPI_PDTCH, fn := 0, + arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)), + block_nr := nr.blk_nr)); + repeat; + } + [] BTS.receive { + setverdict(fail, "Unexpected BTS message"); + f_shutdown(__BFILE__, __LINE__); + } + } + + f_shutdown(__BFILE__, __LINE__, final := true); +} + /* Verify allocation and use of multislot tbf, triggered by MS class provided in SGSN. SYS#5131 */ testcase TC_dl_multislot_tbf_ms_class_from_sgsn() runs on RAW_PCU_Test_CT { var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS)); @@ -5153,6 +5244,7 @@ control { execute( TC_imm_ass_dl_block_retrans() ); execute( TC_dl_flow_more_blocks() ); execute( TC_ul_flow_multiple_llc_blocks() ); + execute( TC_dl_no_ack_retrans_imm_ass() ); execute( TC_paging_cs_from_bts() ); execute( TC_paging_cs_from_sgsn_sign_ptmsi() ); execute( TC_paging_cs_from_sgsn_sign() ); |