Move all GPRS helper function to its own file and component
This is a first step towards refactoring of all functions to use MS and
Ul/DlTBF objects containing state.
Change-Id: Ieae27d6e707f79ec2145864ef5cd67ddbbec9314
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 43ed7c5..5193369 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -49,6 +49,7 @@
import from IPL4asp_Types all;
import from Native_Functions all;
import from SGSN_Components all;
+import from GPRS_Components all;
modulepar {
charstring mp_pcu_sock_path := PCU_SOCK_DEFAULT;
@@ -100,14 +101,10 @@
uint8_t high
}
-type component RAW_PCU_Test_CT extends bssgp_CT {
+type component RAW_PCU_Test_CT extends bssgp_CT, MS_BTS_IFACE_CT {
/* PCU interface abstraction component */
var RAW_PCUIF_CT vc_PCUIF;
- /* Virtual BTS component */
- var RAW_PCU_BTS_CT vc_BTS;
- /* Connection to the BTS component (one for now) */
- port RAW_PCU_MSG_PT BTS;
/* Connection to the PCUIF component */
port RAW_PCU_MSG_PT PCUIF;
/* VTY connection to the PCU */
@@ -136,9 +133,6 @@
var uint8_t g_mcs_max_dl := 9;
var uint8_t g_mcs_max_ul := 9;
- /* Value at which Countdown Procedure starts. Announced by network (GPRS Cell Options as per TS 04.60 Chapter 12.24) */
- var uint4_t g_bs_cv_max := 4;
-
var boolean g_egprs_only := false;
var boolean g_force_two_phase_access := false;
@@ -227,560 +221,6 @@
BTS.receive(tr_RAW_PCU_EV(BTS_EV_SI13_NEGO));
}
-private function f_shutdown(charstring file, integer line,
- boolean final := false)
-runs on RAW_PCU_Test_CT {
- /* Determine if the test case was aborted in the middle */
- if (not final) {
- log("Test case ", testcasename(), " aborted at ", file, ":", line);
- } else {
- /* Guard verdict to avoid 'none' */
- setverdict(pass);
- }
-
- /* Properly shutdown virtual BTS and its clock generator */
- BTS.send(ts_RAW_PCU_CMD(GENERAL_CMD_SHUTDOWN));
- vc_BTS.done; /* wait untill it's done */
-
- /* Shutdown the others and MTC */
- all component.stop;
- mtc.stop;
-}
-
-template AckNackDescription t_AckNackDescription_init := {
- final_ack := '0'B,
- starting_seq_nr := 0,
- receive_block_bitmap := '0000000000000000000000000000000000000000000000000000000000000000'B
-}
-
-private function f_rlcmac_dl_block_get_tfi(RlcmacDlBlock dl_block)
-runs on RAW_PCU_Test_CT return uint5_t {
- if (ischosen(dl_block.data)) {
- return dl_block.data.mac_hdr.hdr_ext.tfi;
- } else if (ischosen(dl_block.data_egprs)) {
- return dl_block.data_egprs.mac_hdr.tfi;
- } else { /* Ctrl block */
- if (match(dl_block, tr_RLCMAC_UL_PACKET_ASS_GPRS(?, tr_PktUlAssGprsDynamic(tr_DynamicAllocation(?))))) {
- return dl_block.ctrl.payload.u.ul_assignment.gprs.dyn_block_alloc.ul_tfi_assignment;
- }
- if (match(dl_block, tr_RLCMAC_UL_PACKET_ASS_EGPRS(?, tr_PktUlAssEgprsDynamic(tr_DynamicAllocation(?))))) {
- return dl_block.ctrl.payload.u.ul_assignment.egprs.dyn_block_alloc.ul_tfi_assignment;
- }
- }
- setverdict(fail, "DlBlock doesn't contain a TFI:", dl_block);
- f_shutdown(__BFILE__, __LINE__);
- return 0; /* make compiler happy */
-}
-
-/* Get the Chan coding command from a dl block containing PACCH UL Assignment */
-private function f_rlcmac_dl_block_get_assigned_ul_cs_mcs(RlcmacDlBlock dl_block)
-runs on RAW_PCU_Test_CT return CodingScheme {
- if (match(dl_block, tr_RLCMAC_UL_PACKET_ASS_GPRS(?, tr_PktUlAssGprsDynamic(?)))) {
- return f_rlcmac_block_ChCodingCommand2cs_mcs(dl_block.ctrl.payload.u.ul_assignment.gprs.ch_coding_cmd);
- }
- if (match(dl_block, tr_RLCMAC_UL_PACKET_ASS_EGPRS(?, tr_PktUlAssEgprsDynamic(?)))) {
- return f_rlcmac_block_EgprsChCodingCommand2cs_mcs(dl_block.ctrl.payload.u.ul_assignment.egprs.chan_coding_cmd);
- }
- setverdict(fail, "DlBlock doesn't contain CS_MCS information:", dl_block);
- f_shutdown(__BFILE__, __LINE__);
- return CS_1; /* make compiler happy */
-}
-
-/* TS 44.060 sec 12.3 Ack/Nack Description */
-private function f_acknackdesc_ack_block(inout AckNackDescription desc, RlcmacDlBlock dl_block, BIT1 final_ack := '0'B)
-{
- var uint7_t bsn;
- var integer i;
- var integer inc;
-
- if (ischosen(dl_block.data)) {
- bsn := dl_block.data.mac_hdr.hdr_ext.bsn;
- } else {
- bsn := dl_block.data_egprs.mac_hdr.bsn1;
- }
-
- inc := bsn - desc.starting_seq_nr + 1;
- /* Filling hole? */
- if (bsn < desc.starting_seq_nr) {
- desc.receive_block_bitmap[lengthof(desc.receive_block_bitmap) - (desc.starting_seq_nr - bsn)] := int2bit(1, 1);
- return;
- }
-
- /* SSN is increased, and so RBB values need to be moved */
- for (i := 0; i < lengthof(desc.receive_block_bitmap) - inc; i := i+1) {
- desc.receive_block_bitmap[i] := desc.receive_block_bitmap[i + inc];
- }
- for (i := lengthof(desc.receive_block_bitmap) - inc; i < lengthof(desc.receive_block_bitmap) - 1; i := i+1) {
- desc.receive_block_bitmap[i] := int2bit(0, 1);
- }
- /* Now we can set current bit and update SSN */
- desc.starting_seq_nr := bsn + 1;
- desc.receive_block_bitmap[lengthof(desc.receive_block_bitmap) - 1] := int2bit(1, 1);
-
- /* Finally update the final_ack bit as requested: */
- desc.final_ack := final_ack;
-}
-
-/* This function can be used to send DATA.cnf in response to the IUT originated DATA.req.
- * NOTE: it's the responsibility of caller to make sure that pcu_msg contains u.data_req. */
-private function f_pcuif_tx_data_cnf(in PCUIF_Message pcu_msg)
-runs on RAW_PCU_Test_CT {
- var PCUIF_Message pcu_msg_cnf := {
- msg_type := PCU_IF_MSG_DATA_CNF,
- bts_nr := pcu_msg.bts_nr,
- spare := pcu_msg.spare,
- u := { data_cnf := pcu_msg.u.data_req }
- };
-
- /* PCU wants DATA.cnf containing basically everything that was in DATA.req,
- * but PCU_IF_SAPI_PCH is a special case - paging group shall be excluded. */
- if (pcu_msg.u.data_req.sapi == PCU_IF_SAPI_PCH) {
- pcu_msg_cnf.u.data_cnf.data := substr(pcu_msg.u.data_req.data, 3,
- pcu_msg.u.data_req.len - 3);
- }
-
- BTS.send(pcu_msg_cnf);
-}
-
-private function f_pcuif_rx_imm_ass(out GsmRrMessage rr_imm_ass,
- template PCUIF_Sapi sapi := PCU_IF_SAPI_AGCH,
- template GsmRrMessage t_imm_ass := ?,
- uint8_t bts_nr := 0)
-runs on RAW_PCU_Test_CT return boolean {
- var PCUIF_Message pcu_msg;
- var octetstring data;
- timer T;
-
- T.start(2.0);
- alt {
- [] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := bts_nr, trx_nr := 0, ts_nr := 0,
- sapi := sapi, data := ?)) -> value pcu_msg {
- /* On PCH the payload is prefixed with paging group (3 octets): skip it.
- * TODO: add an additional template parameter, so we can match it. */
- if (pcu_msg.u.data_req.sapi == PCU_IF_SAPI_PCH) {
- data := substr(pcu_msg.u.data_req.data, 3, pcu_msg.u.data_req.len - 3);
- } else {
- data := pcu_msg.u.data_req.data;
- }
-
- rr_imm_ass := dec_GsmRrMessage(data);
- if (not match(rr_imm_ass, t_imm_ass)) {
- /* Not for us? Wait for more. */
- repeat;
- }
-
- log("Rx Immediate Assignment: ", rr_imm_ass);
- setverdict(pass);
- return true;
- }
- [] BTS.receive { repeat; }
- [] T.timeout {
- setverdict(fail, "Timeout waiting for Immediate Assignment");
- }
- }
-
- return false;
-}
-
-/* One phase packet access (see 3GPP TS 44.018, table 9.1.8.1) */
-private const BIT8 chan_req_def := '01111000'B;
-
-/* Establish an Uplink TBF by sending RACH.ind towards the PCU */
-private function f_establish_tbf(out GsmRrMessage rr_imm_ass, uint8_t bts_nr := 0,
- uint16_t ra := bit2int(chan_req_def),
- uint8_t is_11bit := 0,
- PCUIF_BurstType burst_type := BURST_TYPE_0,
- TimingAdvance ta := 0)
-runs on RAW_PCU_Test_CT return boolean {
- var uint32_t fn;
-
- /* FIXME: ask the BTS component to give us the current TDMA fn */
- fn := 1337 + ta;
-
- /* Send RACH.ind */
- log("Sending RACH.ind on fn=", fn, " with RA=", ra, ", TA=", ta);
- BTS.send(ts_PCUIF_RACH_IND(bts_nr := bts_nr, trx_nr := 0, ts_nr := 0,
- ra := ra, is_11bit := is_11bit,
- burst_type := burst_type,
- fn := fn, arfcn := 871,
- qta := ta * 4));
-
- /* 3GPP TS 44.018, table 9.1.8.1, note 2b: Request Reference shall be set to 127
- * when Immediate Assignment is triggered by EGPRS Packet Channel Request. Here
- * we assume that 11 bit RA always contains EGPRS Packet Channel Request. */
- if (is_11bit != 0) { ra := 127; }
-
- /* Expect Immediate (TBF) Assignment on TS0/AGCH */
- return f_pcuif_rx_imm_ass(rr_imm_ass, PCU_IF_SAPI_AGCH,
- tr_IMM_TBF_ASS(false, ra, fn),
- bts_nr := bts_nr);
-}
-
-private function f_imm_ass_verify_ul_tbf_ass(in GsmRrMessage rr_imm_ass, out PacketUlAssign ul_tbf_ass, template PacketUlAssign ul_ass := tr_PacketUlDynAssign)
-runs on RAW_PCU_Test_CT {
-
- /* Make sure we received an UL TBF Assignment */
- if (match(rr_imm_ass, tr_IMM_TBF_ASS(dl := false, rest := tr_IaRestOctets_ULAss(ul_ass)))) {
- ul_tbf_ass := rr_imm_ass.payload.imm_ass.rest_octets.hh.pa.uldl.ass.ul;
- log("Rx Uplink TBF assignment: ", ul_tbf_ass);
- setverdict(pass);
- } else {
- setverdict(fail, "Failed to match UL TBF Assignment");
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-private function f_imm_ass_verify_dl_tbf_ass(in GsmRrMessage rr_imm_ass, out PacketDlAssign dl_tbf_ass)
-runs on RAW_PCU_Test_CT {
-
- /* Make sure we received a DL TBF Assignment */
- if (match(rr_imm_ass, tr_IMM_TBF_ASS(dl := true, rest := tr_IaRestOctets_DLAss(?)))) {
- dl_tbf_ass := rr_imm_ass.payload.imm_ass.rest_octets.hh.pa.uldl.ass.dl;
- log("Rx Downlink TBF assignment: ", dl_tbf_ass);
- setverdict(pass);
- } else {
- setverdict(fail, "Failed to match DL TBF Assignment");
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
-function f_pcuif_tx_data_ind(octetstring data, int16_t lqual_cb := 0, uint32_t fn := 0)
-runs on RAW_PCU_Test_CT {
- var template RAW_PCU_EventParam ev_param := {tdma_fn := ? };
- BTS.send(ts_PCUIF_DATA_IND(bts_nr := 0, trx_nr := 0, ts_nr := 7, block_nr := 0,
- sapi := PCU_IF_SAPI_PDTCH, data := data,
- fn := fn, arfcn := 871, lqual_cb := lqual_cb));
- if (fn != 0) {
- ev_param := {tdma_fn := fn };
- }
- BTS.receive(tr_RAW_PCU_EV(TDMA_EV_PDTCH_BLOCK_SENT, ev_param));
-}
-
-/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
-private function f_pcuif_rx_data_req(out PCUIF_Message pcu_msg)
-runs on RAW_PCU_Test_CT {
- BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
- sapi := PCU_IF_SAPI_PDTCH, fn := 0,
- arfcn := 871, block_nr := 0));
- BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
- sapi := PCU_IF_SAPI_PDTCH)) -> value pcu_msg;
-}
-
-/* Expect an Immediate Assignment (paging) from PCU on PCUIF on specified sapi. */
-private function f_pcuif_rx_pch_imm_tbf_ass(out GsmRrMessage rr_imm_ass)
-runs on RAW_PCU_Test_CT {
- var PCUIF_Message pcu_msg;
- var octetstring macblock;
- BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 0,
- sapi := PCU_IF_SAPI_PCH)) -> value pcu_msg;
- /* First 3 bytes contain paging group: */
- macblock := substr(pcu_msg.u.data_req.data, 3, pcu_msg.u.data_req.len - 3);
- rr_imm_ass := dec_GsmRrMessage(macblock);
- if (not match(rr_imm_ass, tr_IMM_TBF_ASS())) {
- setverdict(fail, "Failed to match Immediate Assignment: ", rr_imm_ass);
- f_shutdown(__BFILE__, __LINE__);
- }
- f_pcuif_tx_data_cnf(pcu_msg);
-}
-
-/* Expect a Paging Request Type 1 from PCU on PCUIF on specified sapi. */
-private function f_pcuif_rx_pch_pag_req1(template MobileIdentityV mi1 := ?,
- template integer pag_group := ?)
-runs on RAW_PCU_Test_CT return GsmRrMessage {
- var GsmRrMessage rr_pag_req1;
- var PCUIF_Message pcu_msg;
- var octetstring imsi_suff_octstr;
- var integer pag_group_rx;
- var octetstring macblock;
-
- BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 0,
- sapi := PCU_IF_SAPI_PCH)) -> value pcu_msg;
-
- /* First 3 bytes contain IMSI suffix to calculate paging group: */
- imsi_suff_octstr := substr(pcu_msg.u.data_req.data, 0, 3);
- pag_group_rx := str2int(oct2char(imsi_suff_octstr[0])) * 100 +
- str2int(oct2char(imsi_suff_octstr[1])) * 10 +
- str2int(oct2char(imsi_suff_octstr[2]));
-
- /* Make sure we've got RR Paging Request Type 1 for a given MI */
- macblock := substr(pcu_msg.u.data_req.data, 3, pcu_msg.u.data_req.len - 3);
- rr_pag_req1 := dec_GsmRrMessage(macblock);
- if (not match(rr_pag_req1, tr_PAG_REQ1(tr_MI_LV(mi1)))) {
- setverdict(fail, "Failed to match Paging Request Type 1: ", rr_pag_req1);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- /* Make sure that received paging froup matches the expected one */
- if (not match(pag_group_rx, pag_group)) {
- setverdict(fail, "Paging group", pag_group_rx, " does not match expected ", pag_group);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- f_pcuif_tx_data_cnf(pcu_msg);
- return rr_pag_req1;
-}
-
-/* Send one rlcmac UL block adding necessary extra padding at the end.
- * returns length of extra padding added at the end, in octets.
- * FIXME: Only supports CS-1 so far.
- */
-private function f_tx_rlcmac_ul_block(template (value) RlcmacUlBlock ul_data, int16_t lqual_cb := 0, uint32_t fn := 0)
-runs on RAW_PCU_Test_CT return integer {
- var octetstring data;
- var integer padding_len;
- /* Encode the payload of DATA.ind */
- data := enc_RlcmacUlBlock(valueof(ul_data));
- padding_len := 23 - lengthof(data);
- data := f_pad_oct(data, 23, '00'O); /* CS-1 */
-
- /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
- f_pcuif_tx_data_ind(data, lqual_cb, fn);
- return padding_len;
-}
-
-private function f_tx_rlcmac_ul_n_blocks(uint5_t tfi, inout uint14_t bsn, integer num_blocks := 1, template (omit) GprsTlli tlli := omit)
-runs on RAW_PCU_Test_CT return octetstring {
- var octetstring total_payload := ''O;
- var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
- tfi := tfi,
- cv := 15, /* num UL blocks to be sent (to be overridden in loop) */
- bsn := 0, /* To be generated in loop */
- blocks := { /* To be generated in loop */ });
-
- if (not istemplatekind(tlli, "omit")) {
- ul_data.data.mac_hdr.tlli_ind := true;
- ul_data.data.tlli := tlli;
- }
-
- for (var integer i := 0; i < num_blocks; i := i + 1) {
- var integer padding_len;
- var octetstring payload := f_rnd_octstring(10);
- /* Prepare a new UL block (CV, random payload) */
- var integer cv := num_blocks - i - 1;
- if (cv > g_bs_cv_max) {
- cv := 15;
- }
- ul_data.data.mac_hdr.countdown := cv;
- ul_data.data.mac_hdr.bsn := bsn + i;
- ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(payload)) };
- padding_len := f_tx_rlcmac_ul_block(ul_data);
- total_payload := total_payload & payload & f_pad_oct(''O, padding_len, '00'O);
- }
- bsn := valueof(ul_data.data.mac_hdr.bsn) + 1; /* update bsn to point to next one */
- return total_payload;
-}
-
-private function f_rx_rlcmac_dl_block(out RlcmacDlBlock dl_block, out uint32_t dl_fn, template (present) CodingScheme exp_cs_mcs := ?)
-runs on RAW_PCU_Test_CT {
- var PCUIF_Message pcu_msg;
- f_pcuif_rx_data_req(pcu_msg);
- dl_block := dec_RlcmacDlBlock(pcu_msg.u.data_req.data);
- dl_fn := pcu_msg.u.data_req.fn;
-
- var integer len := lengthof(pcu_msg.u.data_req.data);
- var CodingScheme cs_mcs := f_rlcmac_block_len2cs_mcs(len)
- if (not match(f_rlcmac_block_len2cs_mcs(len), exp_cs_mcs)) {
- setverdict(fail, "Failed to match Coding Scheme exp ", exp_cs_mcs, " vs ", cs_mcs, " (", len, ")");
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-private function f_rx_rlcmac_dl_block_exp_ack_nack(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_UL_ACK_NACK(ul_tfi := ?, tlli := ?))) {
- setverdict(fail, "Failed to match Packet Uplink ACK / NACK");
- f_shutdown(__BFILE__, __LINE__);
- }
-
- poll_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp);
-}
-
-private function f_rx_rlcmac_dl_block_exp_dummy(out RlcmacDlBlock dl_block)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_DUMMY_CTRL())) {
- setverdict(fail, "Failed to match Packet DUMMY DL");
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-private function f_rx_rlcmac_dl_block_exp_pkt_ass(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_DL_PACKET_ASS())) {
- setverdict(fail, "Failed to match Packet Downlink Assignment");
- f_shutdown(__BFILE__, __LINE__);
- }
-
- poll_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp);
-}
-
-private function f_rx_rlcmac_dl_block_exp_pkt_ul_ass(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_UL_PACKET_ASS())) {
- setverdict(fail, "Failed to match Packet Uplink Assignment");
- f_shutdown(__BFILE__, __LINE__);
- }
-
- poll_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp);
-}
-
-private function f_rx_rlcmac_dl_block_exp_pkt_dl_ass(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_DL_PACKET_ASS())) {
- setverdict(fail, "Failed to match Packet Downlink Assignment");
- f_shutdown(__BFILE__, __LINE__);
- }
-
- poll_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp);
-}
-
-
-private function f_rx_rlcmac_dl_block_exp_pkt_pag_req(out RlcmacDlBlock dl_block)
-runs on RAW_PCU_Test_CT {
- var uint32_t dl_fn;
-
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (not match(dl_block, tr_RLCMAC_PACKET_PAG_REQ())) {
- setverdict(fail, "Failed to match Packet Paging Request: ", dl_block, " vs ", tr_RLCMAC_PACKET_PAG_REQ());
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-/* This function does what could probably be done with templates */
-private function f_rlcmac_dl_block_verify_data_gprs(in RlcmacDlDataBlock data_block,
- template (present) octetstring data := ?,
- template (present) uint7_t exp_bsn := ?,
- template (present) CodingScheme exp_cs := ?)
-runs on RAW_PCU_Test_CT {
- if (not match(data_block.mac_hdr.hdr_ext.bsn, exp_bsn)) {
- setverdict(fail, "DL block BSN doesn't match: ",
- data_block.mac_hdr.hdr_ext.bsn, " vs exp ", exp_bsn);
- }
-
- if (lengthof(data_block.blocks) < 1) {
- setverdict(fail, "DL block has no LLC payload: ", data_block);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- if (not match(data_block.blocks[0].payload, data)) {
- setverdict(fail, "Failed to match content of LLC payload in DL Block: ",
- data_block.blocks[0].payload, " vs ", data);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- /* Check next data blocks contain dummy frames */
- if (lengthof(data_block.blocks) > 1 and substr(data_block.blocks[1].payload, 0, 3) != '43C001'O) {
- setverdict(fail, "Second data payload is not a dummy frame: ",
- data_block.blocks[1].payload);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- /* TODO: check exp_cs */
-}
-
-/* This function does what could probably be done with templates */
-private function f_rlcmac_dl_block_verify_data_egprs(in RlcmacDlEgprsDataBlock data_block,
- template (present) octetstring data := ?,
- template (present) uint14_t exp_bsn := ?,
- template (present) CodingScheme exp_cs := ?)
-runs on RAW_PCU_Test_CT {
- if (not match(data_block.mac_hdr.bsn1, exp_bsn)) {
- setverdict(fail, "DL block BSN doesn't match: ",
- data_block.mac_hdr.bsn1, " vs exp ", exp_bsn);
- }
-
- if (lengthof(data_block.blocks) < 1) {
- setverdict(fail, "DL block has no LLC payload: ", data_block);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- if (not match(data_block.blocks[0].payload, data)) {
- setverdict(fail, "Failed to match content of LLC payload in DL Block: ",
- data_block.blocks[0].payload, " vs ", data);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- /* Check next data blocks contain dummy frames */
- if (lengthof(data_block.blocks) > 1 and substr(data_block.blocks[1].payload, 0, 3) != '43C001'O) {
- setverdict(fail, "Second data payload is not a dummy frame: ",
- data_block.blocks[1].payload);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- /* TODO: Check exp_cs. In the case of EGPRS, first check mac_hdr.header_type and then decode CPS = exp_cs based on mac_hdr.header_type.
- See wireshark's egprs_Header_type1_coding_puncturing_scheme_to_mcs. */
-}
-
-/* High level (task specific) helper for receiving and matching GPRS/EGPRS data blocks */
-private function f_rx_rlcmac_dl_block_exp_data(out RlcmacDlBlock dl_block, out uint32_t dl_fn,
- template (present) octetstring data := ?,
- template (present) uint7_t exp_bsn := ?,
- template (present) CodingScheme exp_cs := ?)
-runs on RAW_PCU_Test_CT {
- /* FIXME: ideally we should use an alt statement with timeout here, rather than
- * having +100500 layers of abstraction. This would facilitate developing the
- * multi-TBF/-TRX/-BTS tests, where you cannot expect that the first received
- * block is exactly what you need. */
- f_rx_rlcmac_dl_block(dl_block, dl_fn);
-
- /* Make sure it's either GPRS or EGPRS data block */
- if (not match(dl_block, tr_RLCMAC_DATA)) {
- setverdict(fail, "Failed to match DL DATA: ", dl_block, " vs ", tr_RLCMAC_DATA);
- f_shutdown(__BFILE__, __LINE__);
- }
-
- if (ischosen(dl_block.data_egprs)) {
- f_rlcmac_dl_block_verify_data_egprs(dl_block.data_egprs, data, exp_bsn, exp_cs);
- } else if (ischosen(dl_block.data)) {
- f_rlcmac_dl_block_verify_data_gprs(dl_block.data, data, exp_bsn, exp_cs);
- } else {
- /* Should not happen, but the caller may theoretically give us a template for CTRL */
- setverdict(fail, "DL block is neither GPRS nor EGPRS data block: ", dl_block);
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
-private function f_dl_block_ack_fn(in RlcmacDlBlock dl_block, uint32_t dl_fn)
-runs on RAW_PCU_Test_CT return uint32_t {
- var boolean rrbp_valid;
- var MacRrbp rrbp;
-
- /* The argument must be either a GPRS or EGPRS data block */
- if (ischosen(dl_block.data_egprs)) {
- rrbp_valid := true; /* always valid */
- rrbp := dl_block.data_egprs.mac_hdr.rrbp;
- } else if (ischosen(dl_block.data)) {
- rrbp_valid := dl_block.data.mac_hdr.mac_hdr.rrbp_valid;
- rrbp := dl_block.data.mac_hdr.mac_hdr.rrbp;
- } else {
- rrbp_valid := dl_block.ctrl.mac_hdr.rrbp_valid;
- rrbp := dl_block.ctrl.mac_hdr.rrbp;
- }
-
- /* Make sure that the given block really needs to be ACKnowledged */
- if (not rrbp_valid) {
- setverdict(fail, "DL block shall not be ACKnowledged, field RRBP is not valid");
- f_shutdown(__BFILE__, __LINE__);
- }
-
- return f_rrbp_ack_fn(dl_fn, rrbp);
-}
-
testcase TC_pcuif_suspend() runs on RAW_PCU_Test_CT {
var octetstring ra_id := enc_RoutingAreaIdentification(mp_gb_cfg.cell_id.ra_id);
var GprsTlli tlli := 'FFFFFFFF'O;
@@ -2038,15 +1478,6 @@
}
}
-private function f_pkt_paging_match_tmsi(in PacketPagingReq req, template GsmTmsi tmsi)
-runs on RAW_PCU_Test_CT {
- if (not match(req.repeated_pageinfo.cs.tmsi, tmsi)) {
- setverdict(fail, "Mobile Identity (TMSI/P-TMSI) mismatch: ",
- "expected: ", tmsi, "got: ", req.repeated_pageinfo.cs.tmsi);
- f_shutdown(__BFILE__, __LINE__);
- }
-}
-
/* Test CS paging over the BTS<->PCU socket.
* When a (class B or C, not A) MS has an active TBF (or is on the PDCH), the MS can not react on CS paging over CCCH.
* Paging should be send on the PACCH.