Change in osmo-ttcn3-hacks[master]: pcu: Introduce test TC_dl_llc_sapi_priority

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27633 ) Change subject: pcu: Introduce test TC_dl_llc_sapi_priority ...................................................................... pcu: Introduce test TC_dl_llc_sapi_priority Related: OS#5508 Related: SYS#5908 Change-Id: I26308a59718a6470853c964583a39986006e59c0 --- M pcu/PCU_Tests.ttcn 1 file changed, 99 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/33/27633/1 diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn index 0a67486..8012daa 100644 --- a/pcu/PCU_Tests.ttcn +++ b/pcu/PCU_Tests.ttcn @@ -3022,6 +3022,104 @@ f_shutdown(__BFILE__, __LINE__, final := true); } +/* OS#5508: Verify scheduling of LLC frames with SAPI=1 (GMM) takes precedence + * over SAPI2/7/8 which in turn take prececende over others */ +testcase TC_dl_llc_sapi_priority() runs on RAW_PCU_Test_CT { + var octetstring data_sapi1 := f_pad_oct('01'O, 19, 'ff'O); + var octetstring data_sapi2 := f_pad_oct('02'O, 19, 'ff'O); + var octetstring data_sapi7 := f_pad_oct('07'O, 19, 'ff'O); + var octetstring data_sapi8 := f_pad_oct('08'O, 19, 'ff'O); + var octetstring data_sapi_other := f_pad_oct('03'O, 19, 'ff'O); + var RlcmacDlBlock dl_block; + var uint32_t dl_fn; + var GprsMS ms; + var integer state := 1; + + /* 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(), ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS)); + + /* Lock to CS1 to keep same DL RLCMAC data block size: */ + g_cs_initial_dl := 1; + g_mcs_max_dl := 1; + f_pcuvty_set_allowed_cs_mcs(); + + /* Establish BSSGP connection to the PCU */ + f_bssgp_establish(); + f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli); + + /* SGSN sends some low prio DL data, PCU will page on CCCH (PCH) */ + for (var integer i := 0; i < 10; i := i + 1) { + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data_sapi_other)); + } + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data_sapi2)); + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data_sapi7)); + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data_sapi8)); + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data_sapi1)); + 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); + + while (state != 0) { + var OCT1 rx_sapi; + f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, ?, ?); + rx_sapi := dl_block.data.blocks[0].payload[0]; + + select (state) { + case(1) { /* We expect the first GMM LLC frame here (SAPI=1, highest prio) */ + if (rx_sapi != '01'O) { + setverdict(fail, "Wrong prio: Expected LLC SAPI 1 (GMM) but got ", rx_sapi); + f_shutdown(__BFILE__, __LINE__); + } + state := 2; + } + case(2) { /* We expect the second LLC frame here (SAPI=2, middle prio) */ + if (rx_sapi != '02'O) { + setverdict(fail, "Wrong prio: Expected LLC SAPI 2 but got ", rx_sapi); + f_shutdown(__BFILE__, __LINE__); + } + state := 7; + } + case(7) { /* We expect the third LLC frame here (SAPI=7, middle prio) */ + if (rx_sapi != '07'O) { + setverdict(fail, "Wrong prio: Expected LLC SAPI 7 but got ", rx_sapi); + f_shutdown(__BFILE__, __LINE__); + } + state := 8; + } + case(8) { /* We expect the fourth LLC frame here (SAPI=8, middle prio) */ + if (rx_sapi != '08'O) { + setverdict(fail, "Wrong prio: Expected LLC SAPI 8 but got ", rx_sapi); + f_shutdown(__BFILE__, __LINE__); + } + state := 3; + } + case(3) { /* We expect the other LLC frame here (SAPI=3, lower prio) */ + if (rx_sapi != '03'O) { + setverdict(fail, "Wrong prio: Expected LLC SAPI 3 but got ", rx_sapi); + f_shutdown(__BFILE__, __LINE__); + } + state := 0; /* Done, break */ + } + } + /* 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)) { + 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, dl_fn)); + } + } + + 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)); @@ -6724,6 +6822,7 @@ execute( TC_dl_flow_more_blocks() ); execute( TC_ul_flow_multiple_llc_blocks() ); execute( TC_dl_no_ack_retrans_imm_ass() ); + execute( TC_dl_llc_sapi_priority() ); execute( TC_paging_cs_from_bts() ); execute( TC_paging_cs_from_sgsn_sign_ptmsi() ); execute( TC_paging_cs_from_sgsn_sign() ); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/27633 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: I26308a59718a6470853c964583a39986006e59c0 Gerrit-Change-Number: 27633 Gerrit-PatchSet: 1 Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt; Gerrit-MessageType: newchange