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authorHarald Welte <laforge@gnumonks.org>2018-02-28 18:59:29 +0100
committerHarald Welte <laforge@gnumonks.org>2018-02-28 21:05:51 +0000
commit883340c7194a07a209ca0e982c6f0f001601b2f2 (patch)
tree2e76f47a93fe4a7da27f0497fe04e6258844778a
parent56c0580c5fc8e88235189596bd0c0ff9bcab2732 (diff)
bts: Add PCU Interface testcases
-rw-r--r--bts/BTS_Tests.default1
-rw-r--r--bts/BTS_Tests.ttcn417
-rwxr-xr-xbts/gen_links.sh1
-rw-r--r--library/PCUIF_CodecPort.ttcn114
-rw-r--r--library/PCUIF_Types.ttcn414
5 files changed, 947 insertions, 0 deletions
diff --git a/bts/BTS_Tests.default b/bts/BTS_Tests.default
index 562088b..fa8d0b0 100644
--- a/bts/BTS_Tests.default
+++ b/bts/BTS_Tests.default
@@ -13,6 +13,7 @@ mtc.FileMask := LOG_ALL | TTCN_DEBUG | TTCN_MATCHING | DEBUG_ENCDEC;
*.BTSVTY.CTRL_READMODE := "buffered"
*.BTSVTY.CTRL_CLIENT_CLEANUP_LINEFEED := "yes"
*.BTSVTY.PROMPT1 := "OsmoBTS> "
+*.PCU.socket_type := "SEQPACKET"
[MODULE_PARAMETERS]
Osmocom_VTY_Functions.mp_prompt_prefix := "OsmoBTS";
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 48ca1fd..be9b4cc 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -22,6 +22,9 @@ import from TRXC_Types all;
import from TRXC_CodecPort all;
import from TRXC_CodecPort_CtrlFunct all;
+import from PCUIF_Types all;
+import from PCUIF_CodecPort all;
+
import from MobileL3_CommonIE_Types all;
import from MobileL3_RRM_Types all;
import from MobileL3_Types all;
@@ -43,6 +46,7 @@ modulepar {
integer mp_rsl_port := 3003;
integer mp_trx0_arfcn := 871;
integer mp_bb_trxc_port := 5704;
+ charstring mp_pcu_socket := PCU_SOCK_DEFAULT;
}
type component test_CT extends CTRL_Adapter_CT {
@@ -62,6 +66,12 @@ type component test_CT extends CTRL_Adapter_CT {
port TELNETasp_PT BTSVTY;
+ /* PCU Interface of BTS */
+ port PCUIF_CODEC_PT PCU;
+ var integer g_pcu_conn_id;
+ /* Last PCU INFO IND we received */
+ var PCUIF_Message g_pcu_last_info;
+
/* SI configuration */
var SystemInformationConfig si_cfg := {
bcch_extended := false,
@@ -212,6 +222,33 @@ private function f_init_vty(charstring id) runs on test_CT {
f_vty_transceive(BTSVTY, "enable");
}
+/* PCU socket may at any time receive a new INFO.ind */
+private altstep as_pcu_info_ind() runs on test_CT {
+ var PCUIF_send_data sd;
+ [] PCU.receive(t_SD_PCUIF_MSGT(g_pcu_conn_id, PCU_IF_MSG_INFO_IND)) -> value sd {
+ g_pcu_last_info := sd.data;
+ repeat;
+ }
+}
+
+private function f_init_pcu(charstring id) runs on test_CT {
+ timer T := 2.0;
+ var PCUIF_send_data sd;
+ map(self:PCU, system:PCU);
+ g_pcu_conn_id := f_pcuif_connect(PCU, mp_pcu_socket);
+
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF_MSGT(g_pcu_conn_id, PCU_IF_MSG_INFO_IND)) -> value sd {
+ g_pcu_last_info := sd.data;
+ }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for PCU INFO_IND");
+ self.stop;
+ }
+ }
+}
+
/* global init function */
function f_init(charstring id := "BTS-Test") runs on test_CT {
f_init_rsl(id);
@@ -225,6 +262,8 @@ function f_init(charstring id := "BTS-Test") runs on test_CT {
f_rsl_bcch_fill(RSL_SYSTEM_INFO_2, ts_SI2_default);
f_rsl_bcch_fill(RSL_SYSTEM_INFO_4, ts_SI4_default);
+ f_init_pcu(id);
+
/* start with a default moderate timing offset equalling TA=2 */
f_main_trxc_connect();
BB_TRXC.send(ts_TRXC_Send(g_bb_trxc_conn_id, ts_TRXC_FAKE_TIMING(2*256)));
@@ -503,6 +542,15 @@ private function f_rnd_ra_cs() return OCT1 {
return ra;
}
+/* generate a random RACH for packet-switched */
+private function f_rnd_ra_ps() return OCT1 {
+ var OCT1 ra;
+ do {
+ ra := f_rnd_octstring(1);
+ } while (not ra_is_ps(ra));
+ return ra;
+}
+
/* Send 1000 RACH requests and check their RA+FN on the RSL side */
testcase TC_rach_content() runs on test_CT {
f_init(testcasename());
@@ -1790,6 +1838,353 @@ testcase TC_ipa_crcx_sdcch_not_active() runs on test_CT {
}
+/***********************************************************************
+ * PCU Socket related tests
+ ***********************************************************************/
+
+private function f_TC_pcu_act_req(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr, boolean exp_success)
+runs on test_CT {
+ timer T := 3.0;
+
+ /* we don't expect any RTS.req before PDCH are active */
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ(bts_nr))) {
+ setverdict(fail, "PCU RTS.req before PDCH active?");
+ self.stop;
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout { }
+ }
+
+ /* Send PDCH activate request for known PDCH timeslot */
+ PCU.send(t_SD_PCUIF(g_pcu_conn_id, ts_PCUIF_ACT_REQ(bts_nr, trx_nr, ts_nr)));
+
+ /* we now expect RTS.req for this timeslot (only) */
+ T.start;
+ alt {
+ [exp_success] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ(bts_nr, trx_nr, ts_nr))) {
+ setverdict(pass);
+ }
+ [not exp_success] PCU.receive(t_SD_PCUIF(g_pcu_conn_id,
+ tr_PCUIF_RTS_REQ(bts_nr, trx_nr, ts_nr))) {
+ setverdict(fail, "Unexpected RTS.req for supposedly failing activation");
+ self.stop;
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ)) {
+ setverdict(fail, "RTS.req for wrong TRX/TS");
+ self.stop;
+ }
+ [] PCU.receive { repeat; }
+ [exp_success] T.timeout {
+ setverdict(fail, "Timeout waiting for PCU RTS.req");
+ }
+ [not exp_success] T.timeout {
+ setverdict(pass);
+ }
+ }
+}
+
+private function f_TC_pcu_deact_req(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr)
+runs on test_CT {
+ timer T := 3.0;
+
+ /* Send PDCH activate request for known PDCH timeslot */
+ PCU.send(t_SD_PCUIF(g_pcu_conn_id, ts_PCUIF_DEACT_REQ(bts_nr, trx_nr, ts_nr)));
+
+ PCU.clear;
+ /* we now expect no RTS.req for this timeslot */
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RTS_REQ(bts_nr, trx_nr, ts_nr))) {
+ setverdict(fail, "Received unexpected PCU RTS.req");
+ self.stop;
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(pass);
+ }
+ }
+}
+
+/* PDCH activation via PCU socket; check for presence of RTS.req */
+testcase TC_pcu_act_req() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+}
+
+/* PDCH activation via PCU socket on non-PDCU timeslot */
+testcase TC_pcu_act_req_wrong_ts() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 1, false);
+}
+
+/* PDCH activation via PCU socket on wrong BTS */
+testcase TC_pcu_act_req_wrong_bts() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(23, 0, 7, false);
+}
+
+/* PDCH activation via PCU socket on wrong TRX */
+testcase TC_pcu_act_req_wrong_trx() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 23, 7, false);
+}
+
+/* PDCH deactivation via PCU socket; check for absence of RTS.req */
+testcase TC_pcu_deact_req() runs on test_CT {
+ f_init();
+ /* Activate PDCH */
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_sleep(1.0);
+ /* and De-Activate again */
+ f_TC_pcu_deact_req(0, 0, 7);
+}
+
+/* Attempt to deactivate a PDCH on a non-PDCH timeslot */
+testcase TC_pcu_deact_req_wrong_ts() runs on test_CT {
+ f_init();
+ f_TC_pcu_deact_req(0, 0, 1);
+}
+
+/* Test the PCU->BTS Version and BTS->PCU SI13 handshake */
+testcase TC_pcu_ver_si13() runs on test_CT {
+ const octetstring si13 := '00010203040506070909'O;
+ var PCUIF_send_data sd;
+ timer T:= 3.0;
+ f_init();
+
+ /* Set SI13 via RSL */
+ f_rsl_bcch_fill_raw(RSL_SYSTEM_INFO_13, si13);
+ PCU.send(t_SD_PCUIF(g_pcu_conn_id, ts_PCUIF_TXT_IND(0, PCU_VERSION, "BTS_Test v23")));
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_DATA_IND(0, 0, 0, ?, PCU_IF_SAPI_BCCH))) -> value sd {
+ if (substr(sd.data.u.data_ind.data, 0, lengthof(si13)) == si13) {
+ setverdict(pass);
+ } else {
+ repeat;
+ }
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for SI13");
+ self.stop;
+ }
+ }
+}
+
+private const octetstring c_PCU_DATA := '000102030405060708090a0b0c0d0e0f10111213141516'O;
+
+/* helper function to send a PCU DATA.req */
+private function f_pcu_data_req(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
+ uint8_t block_nr, uint32_t fn, PCUIF_Sapi sapi, octetstring data)
+runs on test_CT
+{
+ PCU.send(t_SD_PCUIF(g_pcu_conn_id,
+ ts_PCUIF_DATA_REQ(bts_nr, trx_nr, ts_nr, block_nr, fn, sapi, data)));
+}
+
+/* helper function to wait for RTS.ind for given SAPI on given BTS/TRX/TS and then send */
+private function f_pcu_wait_rts_and_data_req(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
+ PCUIF_Sapi sapi, octetstring data)
+runs on test_CT
+{
+ var PCUIF_send_data sd;
+
+ timer T := 3.0;
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id,
+ tr_PCUIF_RTS_REQ(bts_nr, trx_nr, ts_nr, sapi))) -> value sd {
+ f_pcu_data_req(bts_nr, trx_nr, ts_nr, sd.data.u.rts_req.block_nr,
+ sd.data.u.rts_req.fn, sapi, data);
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for RTS.ind");
+ }
+ }
+}
+
+/* Send DATA.req on invalid BTS */
+testcase TC_pcu_data_req_wrong_bts() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_data_req(23, 0, 7, 0, 0, PCU_IF_SAPI_PDTCH, c_PCU_DATA);
+ /* FIXME: how to check this wasn't actually sent and didn't crash BTS? */
+ f_sleep(10.0);
+}
+
+/* Send DATA.req on invalid TRX */
+testcase TC_pcu_data_req_wrong_trx() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_data_req(0, 100, 7, 0, 0, PCU_IF_SAPI_PDTCH, c_PCU_DATA);
+ /* FIXME: how to check this wasn't actually sent and didn't crash BTS? */
+ f_sleep(10.0);
+}
+
+/* Send DATA.req on invalid timeslot */
+testcase TC_pcu_data_req_wrong_ts() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_data_req(0, 0, 70, 0, 0, PCU_IF_SAPI_PDTCH, c_PCU_DATA);
+ /* FIXME: how to check this wasn't actually sent and didn't crash BTS? */
+ f_sleep(10.0);
+}
+
+/* Send DATA.req on timeslot that hasn't been activated */
+testcase TC_pcu_data_req_ts_inactive() runs on test_CT {
+ f_init();
+ f_pcu_data_req(0, 0, 7, 0, 0, PCU_IF_SAPI_PDTCH, c_PCU_DATA);
+ /* FIXME: how to check this wasn't actually sent and didn't crash BTS? */
+ f_sleep(2.0);
+}
+
+testcase TC_pcu_data_req_pdtch() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_wait_rts_and_data_req(0, 0, 7, PCU_IF_SAPI_PDTCH, c_PCU_DATA);
+ /* FIXME: how to check this was actually sent */
+ f_sleep(2.0);
+}
+
+testcase TC_pcu_data_req_ptcch() runs on test_CT {
+ f_init();
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_wait_rts_and_data_req(0, 0, 7, PCU_IF_SAPI_PTCCH, c_PCU_DATA);
+ /* FIXME: how to check this was actually sent */
+ f_sleep(2.0);
+}
+
+/* Send AGCH from PCU; check it appears on Um side */
+testcase TC_pcu_data_req_agch() runs on test_CT {
+ timer T := 3.0;
+ f_init();
+ f_init_l1ctl();
+ f_l1_tune(L1CTL);
+
+ f_TC_pcu_act_req(0, 0, 7, true);
+ f_pcu_data_req(0, 0, 7, 0, 0, PCU_IF_SAPI_AGCH, c_PCU_DATA);
+
+ T.start;
+ alt {
+ [] L1CTL.receive(t_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0), ?, c_PCU_DATA)) {
+ setverdict(pass);
+ }
+ [] L1CTL.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for PCU-originated AGCH block on Um");
+ }
+ }
+}
+
+/* Send IMM.ASS from PCU for PCH; check it appears on Um side */
+testcase TC_pcu_data_req_imm_ass_pch() runs on test_CT {
+ var octetstring imm_ass := f_rnd_octstring(23);
+ f_init();
+ f_init_l1ctl();
+ f_l1_tune(L1CTL);
+
+ /* append 3 last imsi digits so BTS can compute pagng group */
+ var uint32_t fn := f_PCUIF_tx_imm_ass_pch(PCU, g_pcu_conn_id, imm_ass, '123459987'H);
+
+ timer T := 0.5;
+ T.start;
+ alt {
+ [] L1CTL.receive(t_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0), ?, imm_ass)) {
+ /* TODO: verify paging group */
+ setverdict(pass);
+ }
+ [] L1CTL.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for PCU-originated AGCH block on Um");
+ }
+ }
+}
+
+/* Send RACH from Um side, expect it to show up on PCU socket */
+testcase TC_pcu_rach_content() runs on test_CT {
+ f_init();
+ f_init_l1ctl();
+ f_l1_tune(L1CTL);
+
+ var GsmFrameNumber fn_last := 0;
+ for (var integer i := 0; i < 1000; i := i+1) {
+ var OCT1 ra := f_rnd_ra_ps();
+ var GsmFrameNumber fn := f_L1CTL_RACH(L1CTL, oct2int(ra));
+ if (fn == fn_last) {
+ setverdict(fail, "Two RACH in same FN?!?");
+ self.stop;
+ }
+ fn_last := fn;
+
+ timer T := 2.0;
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RACH_IND(0, oct2int(ra), 0, ?, fn))) {
+ T.stop;
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_RACH_IND)) {
+ setverdict(fail, "Unexpected RACH IND");
+ self.stop;
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for RACH IND");
+ self.stop;
+ }
+ }
+ }
+ setverdict(pass);
+}
+
+private function f_pad_oct(octetstring str, integer len, OCT1 pad) return octetstring {
+ var integer strlen := lengthof(str);
+ for (var integer i := 0; i < len-strlen; i := i+1) {
+ str := str & pad;
+ }
+ return str;
+}
+
+/* Send PAGING via RSL, expect it to shw up on PCU socket */
+testcase TC_pcu_paging_from_rsl() runs on test_CT {
+ f_init();
+
+ for (var integer i := 0; i < 100; i := i+1) {
+ var MobileL3_CommonIE_Types.MobileIdentityLV mi;
+ timer T := 3.0;
+ if (i < 50) {
+ mi := valueof(ts_MI_TMSI_LV(f_rnd_octstring(4)));
+ } else {
+ mi := valueof(ts_MI_IMSI_LV(f_gen_imsi(i)));
+ }
+ var octetstring mi_enc_lv := enc_MobileIdentityLV(mi);
+ var octetstring mi_enc := substr(mi_enc_lv, 1, lengthof(mi_enc_lv)-1);
+ var octetstring t_mi_lv := f_pad_oct(mi_enc_lv, 9, '00'O);
+
+ /* Send RSL PAGING COMMAND */
+ RSL_CCHAN.send(ts_RSL_UD(ts_RSL_PAGING_CMD(mi_enc, i mod 4)));
+ T.start;
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_PAG_REQ(0, t_mi_lv))) {
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_PAG_REQ)) {
+ setverdict(fail, "Unexpected PAGING REQ");
+ self.stop;
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for PAGING REQ");
+ self.stop;
+ }
+ }
+ }
+ setverdict(pass);
+}
+
+
/* TODO Areas:
* channel activation
@@ -1817,6 +2212,10 @@ testcase TC_ipa_crcx_sdcch_not_active() runs on test_CT {
** type error
** sequence error
** IE duplicated?
+* PCU interface
+** TIME_IND from BTS->PCU
+** DATA_IND from BTS->PCU
+** verification of PCU-originated DATA_REQ arrival on Um/MS side
*/
@@ -1853,6 +2252,24 @@ control {
execute( TC_ipa_crcx_mdcx_dlcx_not_active() );
execute( TC_ipa_crcx_mdcx_mdcx_dlcx_not_active() );
execute( TC_ipa_crcx_sdcch_not_active() );
+
+ execute( TC_pcu_act_req() );
+ execute( TC_pcu_act_req_wrong_ts() );
+ execute( TC_pcu_act_req_wrong_bts() );
+ execute( TC_pcu_act_req_wrong_trx() );
+ execute( TC_pcu_deact_req() );
+ execute( TC_pcu_deact_req_wrong_ts() );
+ execute( TC_pcu_ver_si13() );
+ execute( TC_pcu_data_req_wrong_bts() );
+ execute( TC_pcu_data_req_wrong_trx() );
+ execute( TC_pcu_data_req_wrong_ts() );
+ execute( TC_pcu_data_req_ts_inactive() );
+ execute( TC_pcu_data_req_pdtch() );
+ execute( TC_pcu_data_req_ptcch() );
+ execute( TC_pcu_data_req_agch() );
+ execute( TC_pcu_data_req_imm_ass_pch() );
+ execute( TC_pcu_rach_content() );
+ execute( TC_pcu_paging_from_rsl() );
}
diff --git a/bts/gen_links.sh b/bts/gen_links.sh
index 253b757..d9c05ff 100755
--- a/bts/gen_links.sh
+++ b/bts/gen_links.sh
@@ -48,4 +48,5 @@ FILES+="Osmocom_CTRL_Types.ttcn Osmocom_CTRL_Functions.ttcn Osmocom_CTRL_Adapter
FILES+="L3_Templates.ttcn L3_Common.ttcn "
FILES+="Native_Functions.ttcn Native_FunctionDefs.cc "
FILES+="TRXC_Types.ttcn TRXC_CodecPort.ttcn TRXC_CodecPort_CtrlFunct.ttcn TRXC_CodecPort_CtrlFunctDef.cc "
+FILES+="PCUIF_Types.ttcn PCUIF_CodecPort.ttcn "
gen_links $DIR $FILES
diff --git a/library/PCUIF_CodecPort.ttcn b/library/PCUIF_CodecPort.ttcn
new file mode 100644
index 0000000..fe428af
--- /dev/null
+++ b/library/PCUIF_CodecPort.ttcn
@@ -0,0 +1,114 @@
+module PCUIF_CodecPort {
+
+import from Osmocom_Types all;
+import from PCUIF_Types all;
+import from UD_PortType all;
+import from UD_Types all;
+
+type record PCUIF_send_data {
+ PCUIF_Message data,
+ integer id
+};
+
+private function PCUIF_to_UD(in PCUIF_send_data pin, out UD_send_data pout) {
+ pout.id := pin.id;
+ pout.data := enc_PCUIF_Message(pin.data);
+} with { extension "prototype(fast)" };
+
+private function UD_to_PCUIF(in UD_send_data pin, out PCUIF_send_data pout) {
+ pout.id := pin.id;
+ pout.data := dec_PCUIF_Message(pin.data);
+} with { extension "prototype(fast)" };
+
+type port PCUIF_CODEC_PT message {
+ out UD_close, UD_listen, UD_shutdown, UD_connect, PCUIF_send_data;
+ in UD_listen_result, UD_connect_result, UD_connected, PCUIF_send_data;
+} with { extension "user UD_PT
+ out (
+ UD_close -> UD_close:simple;
+ UD_listen -> UD_listen:simple;
+ UD_shutdown -> UD_shutdown:simple;
+ UD_connect -> UD_connect:simple;
+ PCUIF_send_data -> UD_send_data: function(PCUIF_to_UD)
+ )
+ in (
+ UD_listen_result -> UD_listen_result:simple;
+ UD_connect_result -> UD_connect_result:simple;
+ UD_send_data -> PCUIF_send_data: function(UD_to_PCUIF);
+ UD_connected -> UD_connected:simple
+ )"
+};
+
+template PCUIF_send_data t_SD_PCUIF(integer id, template PCUIF_Message pdu) := {
+ data := pdu,
+ id := id
+}
+
+template PCUIF_send_data t_SD_PCUIF_MSGT(integer id, template PCUIF_MsgType msg_type,
+ template uint8_t bts_nr := ?) := {
+ data := {
+ msg_type := msg_type,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := ?
+ },
+ id := id
+}
+
+function f_pcuif_connect(PCUIF_CODEC_PT pt, charstring sock) return integer {
+ var UD_connect_result res;
+ timer T := 5.0;
+
+ T.start;
+ pt.send(UD_connect:{sock, -1});
+ alt {
+ [] pt.receive(UD_connect_result:?) -> value res {
+ if (ispresent(res.result) and ispresent(res.result.result_code) and
+ res.result.result_code == ERROR) {
+ setverdict(fail, "Error connecting to PCU socket");
+ self.stop;
+ } else {
+ return res.id;
+ }
+ }
+ [] T.timeout {
+ setverdict(fail, "Timeout connecting to PCU socket");
+ self.stop;
+ }
+ }
+ return -23;
+}
+
+function f_PCUIF_tx_imm_ass_pch(PCUIF_CODEC_PT pt, integer conn_id, octetstring imm_ass, hexstring imsi,
+ uint8_t bts_nr := 0) return uint32_t {
+ var PCUIF_send_data sd;
+ timer T := 3.0;
+ /* append 3 last imsi digits so BTS can compute pagng group */
+ var hexstring last_digits := substr(imsi, lengthof(imsi)-3, 3);
+ var octetstring prefix := ''O;
+ log("3 last imsi digits: ", last_digits);
+ for (var integer i := 0; i < 3; i := i+1) {
+ prefix := prefix & int2oct(hex2int('30'H) + hex2int(last_digits[i]), 1);
+ }
+ pt.send(t_SD_PCUIF(conn_id,
+ ts_PCUIF_DATA_REQ(bts_nr, 0, 0, 0, 0, PCU_IF_SAPI_PCH, prefix & imm_ass)));
+ T.start;
+ alt {
+ [] pt.receive(t_SD_PCUIF(conn_id,
+ tr_PCUIF_DATA_CNF(bts_nr, 0, 0, PCU_IF_SAPI_PCH))) -> value sd {
+ log("IMM.ASS was sent on fn ", sd.data.u.data_cnf.fn);
+ return sd.data.u.data_cnf.fn;
+ }
+ [] pt.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for PCU DATA.cnf");
+ self.stop;
+ }
+ }
+ return 0;
+}
+
+
+
+
+}
diff --git a/library/PCUIF_Types.ttcn b/library/PCUIF_Types.ttcn
new file mode 100644
index 0000000..e4a314d
--- /dev/null
+++ b/library/PCUIF_Types.ttcn
@@ -0,0 +1,414 @@
+module PCUIF_Types {
+
+import from General_Types all;
+import from Osmocom_Types all;
+
+/* Osmocom PCU Interface Types, as per osmo-pcu/include/osmocom/pcu/pcuif_proto.h */
+
+const charstring PCU_SOCK_DEFAULT := "/tmp/pcu_bts";
+const uint32_t PCU_IF_VERSION := 8;
+
+type enumerated PCUIF_MsgType {
+ PCU_IF_MSG_DATA_REQ ('00'O),
+ PCU_IF_MSG_DATA_CNF ('01'O),
+ PCU_IF_MSG_DATA_IND ('02'O),
+ PCU_IF_MSG_SUSP_REQ ('03'O),
+ PCU_IF_MSG_RTS_REQ ('10'O),
+ PCU_IF_MSG_DATA_CNF_DT ('11'O),
+ PCU_IF_MSG_RACH_IND ('22'O),
+ PCU_IF_MSG_INFO_IND ('32'O),
+ PCU_IF_MSG_ACT_REQ ('40'O),
+ PCU_IF_MSG_TIME_IND ('52'O),
+ PCU_IF_MSG_PAG_REQ ('60'O),
+ PCU_IF_MSG_TXT_IND ('70'O)
+} with { variant "FIELDLENGTH(8)" };
+
+type enumerated PCUIF_Sapi {
+ PCU_IF_SAPI_UNKNOWN ('00'O),
+ PCU_IF_SAPI_RACH ('01'O),
+ PCU_IF_SAPI_AGCH ('02'O),
+ PCU_IF_SAPI_PCH ('03'O),
+ PCU_IF_SAPI_BCCH ('04'O),
+ PCU_IF_SAPI_PDTCH ('05'O),
+ PCU_IF_SAPI_PRACH ('06'O),
+ PCU_IF_SAPI_PTCCH ('07'O),
+ PCU_IF_SAPI_AGCH_DT ('08'O)
+} with { variant "FIELDLENGTH(8)" };
+
+type record PCUIF_Flags {
+ boolean bts_active,
+ boolean sysmo_direct_dsp,
+ BIT14 spare,
+ boolean cs1,
+ boolean cs2,
+ boolean cs3,
+ boolean cs4,
+ boolean mcs1,
+ boolean mcs2,
+ boolean mcs3,
+ boolean mcs4,
+ boolean mcs5,
+ boolean mcs6,
+ boolean mcs7,
+ boolean mcs8,
+ boolean mcs9,
+ BIT3 spare2
+} with { variant "" };
+
+type enumerated PCUIF_TextType {
+ PCU_VERSION (0),
+ PCU_OML_ALERT (1)
+} with { variant "FIELDLENGTH(8)" };
+
+type charstring PCUIF_Text length(128) with { variant "FIELDLENGTH(128)" };
+
+type record PCUIF_txt_ind {
+ PCUIF_TextType txt_type,
+ PCUIF_Text text
+} with { variant "" };
+
+type octetstring OCT162 length(162) with { variant "FIELDLENGTH(162)" };
+
+type record PCUIF_data {
+ PCUIF_Sapi sapi,
+ uint8_t len,
+ OCT162 data,
+ uint32_t fn,
+ uint16_t arfcn,
+ uint8_t trx_nr,
+ uint8_t ts_nr,
+ uint8_t block_nr,
+ int8_t rssi,
+ uint16_t ber10k,
+ int16_t ta_offs_qbits,
+ int16_t lqual_cb
+} with { variant "" };
+
+type record PCUIF_data_cnf_dt {
+ PCUIF_Sapi sapi,
+ OCT4 tlli,
+ uint32_t fn,
+ uint16_t arfcn,
+ uint8_t trx_nr,
+ uint8_t ts_nr,
+ uint8_t block_nr,
+ int8_t rssi,
+ uint16_t ber10k,
+ int16_t ta_offs_qbits,
+ int16_t lqual_cb
+} with { variant "" };
+
+type record PCUIF_rts_req {
+ PCUIF_Sapi sapi,
+ OCT3 spare,
+ uint32_t fn,
+ uint16_t arfcn,
+ uint8_t trx_nr,
+ uint8_t ts_nr,
+ uint8_t block_nr
+} with { variant "" };
+
+type record PCUIF_rach_ind {
+ PCUIF_Sapi sapi,
+ uint16_t ra,
+ int16_t qta,
+ uint32_t fn,
+ uint16_t arfcn,
+ uint8_t is_11bit,
+ uint8_t burst_type
+} with { variant "" };
+
+type record PCUIF_InfoTrx {
+ uint16_t arfcn,
+ BIT8 pdch_mask,
+ OCT1 spare,
+ OCT8 tsc,
+ uint32_t hLayer1
+} with { variant "" };
+
+type record PCUIF_info_ind {
+ uint32_t version,
+ PCUIF_Flags flags,
+ record length(8) of PCUIF_InfoTrx trx,
+ uint8_t bsic,
+
+ uint16_t mcc,
+ uint16_t mnc,
+ uint16_t lac,
+ uint16_t rac,
+
+ uint16_t nsei,
+ record length(7) of uint8_t nse_timer,
+ record length(11) of uint8_t cell_timer,
+
+ uint16_t cell_id,
+ uint16_t repeat_time,
+ uint8_t repeat_count,
+ uint16_t bvci,
+ uint8_t t3142,
+ uint8_t t3169,
+ uint8_t t3191,
+ uint8_t t3193_10ms,
+ uint8_t t3195,
+ uint8_t t3101,
+ uint8_t t3103,
+ uint8_t t3105,
+ uint8_t cv_countdown,
+ uint16_t dl_tbf_ext,
+ uint16_t ul_tbf_ext,
+ uint8_t initial_cs,
+ uint8_t initial_mcs,
+
+ record length(2) of uint16_t nsvci,
+ record length(2) of uint16_t local_pprt,
+ record length(2) of uint16_t remote_port,
+ record length(2) of uint32_t remote_ip
+} with { variant "" }
+
+type record PCUIF_act_req {
+ uint8_t is_activate,
+ uint8_t trx_nr,
+ uint8_t ts_nr,
+ OCT1 spare
+} with { variant "" };
+
+type record PCUIF_time_ind {
+ uint32_t fn
+} with { variant "" };
+
+type record PCUIF_pag_req {
+ PCUIF_Sapi sapi,
+ uint8_t chan_needed,
+ OCT9 identity_lv
+} with { variant "" };
+
+type record PCUIF_susp_req {
+ OCT4 tlli,
+ OCT6 ra_id,
+ uint8_t cause
+} with { variant "" };
+
+
+type union PCUIF_MsgUnion {
+ PCUIF_data data_req,
+ PCUIF_data data_cnf,
+ PCUIF_data_cnf_dt data_cnf_dt,
+ PCUIF_data data_ind,
+ PCUIF_susp_req susp_req,
+ PCUIF_rts_req rts_req,
+ PCUIF_rach_ind rach_ind,
+ PCUIF_txt_ind txt_ind,
+ PCUIF_info_ind info_ind,
+ PCUIF_act_req act_req,
+ PCUIF_time_ind time_ind,
+ PCUIF_pag_req pag_req
+} with { variant "" };
+
+type record PCUIF_Message {
+ PCUIF_MsgType msg_type,
+ uint8_t bts_nr,
+ OCT2 spare,
+ PCUIF_MsgUnion u
+} with { variant (u) "CROSSTAG(
+ data_req, msg_type = PCU_IF_MSG_DATA_REQ;
+ data_cnf, msg_type = PCU_IF_MSG_DATA_CNF;
+ data_cnf_dt, msg_type = PCU_IF_MSG_DATA_CNF_DT;
+ data_ind, msg_type = PCU_IF_MSG_DATA_IND;
+ susp_req, msg_type = PCU_IF_MSG_SUSP_REQ;
+ rts_req, msg_type = PCU_IF_MSG_RTS_REQ;
+ rach_ind, msg_type = PCU_IF_MSG_RACH_IND;
+ txt_ind, msg_type = PCU_IF_MSG_TXT_IND;
+ info_ind, msg_type = PCU_IF_MSG_INFO_IND;
+ act_req, msg_type = PCU_IF_MSG_ACT_REQ;
+ time_ind, msg_type = PCU_IF_MSG_TIME_IND;
+ pag_req, msg_type = PCU_IF_MSG_PAG_REQ)"
+ variant "PADDING(1688)"
+};
+
+external function enc_PCUIF_Message(in PCUIF_Message pdu) return octetstring
+ with { extension "prototype(convert) encode(RAW)" };
+external function dec_PCUIF_Message(in octetstring stream) return PCUIF_Message
+ with { extension "prototype(convert) decode(RAW)" };
+
+
+template PCUIF_Message tr_PCUIF_RTS_REQ(template uint8_t bts_nr := ?,
+ template uint8_t trx_nr := ?,
+ template uint8_t ts_nr := ?,
+ template PCUIF_Sapi sapi := ?,
+ template uint32_t fn := ?,
+ template uint8_t block_nr := ?
+ ) := {
+ msg_type := PCU_IF_MSG_RTS_REQ,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := {
+ rts_req := {
+ sapi := sapi,
+ spare := ?,
+ fn := fn,
+ arfcn := ?,
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ block_nr := block_nr
+ }
+ }
+}
+
+template (value) PCUIF_Message ts_PCUIF_TXT_IND(uint8_t bts_nr, PCUIF_TextType tt, charstring text) := {
+ msg_type := PCU_IF_MSG_TXT_IND,
+ bts_nr := bts_nr,
+ spare := '0000'O,
+ u := {
+ txt_ind := {
+ txt_type := tt,
+ text := text
+ }
+ }
+}
+
+template (value) PCUIF_Message ts_PCUIF_ACT_REQ(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr) := {
+ msg_type := PCU_IF_MSG_ACT_REQ,
+ bts_nr := bts_nr,
+ spare := '0000'O,
+ u := {
+ act_req := {
+ is_activate := 1,
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ spare := '00'O
+ }
+ }
+}
+
+template (value) PCUIF_Message ts_PCUIF_DEACT_REQ(uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr) := {
+ msg_type := PCU_IF_MSG_ACT_REQ,
+ bts_nr := bts_nr,
+ spare := '0000'O,
+ u := {
+ act_req := {
+ is_activate := 0,
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ spare := '00'O
+ }
+ }
+}
+
+template PCUIF_Message tr_PCUIF_DATA_IND(template uint8_t bts_nr := ?,
+ template uint8_t trx_nr := ?,
+ template uint8_t ts_nr := ?,
+ template uint8_t block_nr := ?,
+ template PCUIF_Sapi sapi := ?,
+ template OCT162 data := ?) := {
+ msg_type := PCU_IF_MSG_DATA_IND,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := {
+ data_ind := {
+ sapi := sapi,
+ len := ?,
+ data := data,
+ fn := ?,
+ arfcn := ?,
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ block_nr := block_nr,
+ rssi := ?,
+ ber10k := ?,
+ ta_offs_qbits := ?,
+ lqual_cb := ?
+ }
+ }
+}
+
+template (value) PCUIF_Message ts_PCUIF_DATA_REQ(uint8_t bts_nr, uint8_t trx_nr,
+ uint8_t ts_nr, uint8_t block_nr,
+ uint32_t fn, PCUIF_Sapi sapi,
+ octetstring data) := {
+ msg_type := PCU_IF_MSG_DATA_REQ,
+ bts_nr := bts_nr,
+ spare := '0000'O,
+ u := {
+ data_req := {
+ sapi := sapi,
+ len := lengthof(data),
+ data := data,
+ fn := fn,
+ arfcn := 0, /* unused in BTS */
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ block_nr := block_nr,
+ /* measurement parameters below unused on Tx */
+ rssi := 0,
+ ber10k := 0,
+ ta_offs_qbits := 0,
+ lqual_cb := 0
+ }
+ }
+}
+
+template PCUIF_Message tr_PCUIF_DATA_CNF(template uint8_t bts_nr := ?,
+ template uint8_t trx_nr := ?,
+ template uint8_t ts_nr := ?,
+ template PCUIF_Sapi sapi := ?,
+ template octetstring data := ?) := {
+ msg_type := PCU_IF_MSG_DATA_CNF,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := {
+ data_cnf := {
+ sapi := sapi,
+ len := ?,
+ data := data,
+ fn := ?,
+ arfcn := ?,
+ trx_nr := trx_nr,
+ ts_nr := ts_nr,
+ block_nr := ?,
+ rssi := ?,
+ ber10k := ?,
+ ta_offs_qbits := ?,
+ lqual_cb := ?
+ }
+ }
+}
+
+template PCUIF_Message tr_PCUIF_RACH_IND(template uint8_t bts_nr := ?,
+ template uint16_t ra := ?,
+ template uint8_t is_11bit := ?,
+ template uint8_t burst_type := ?,
+ template uint32_t fn := ?) := {
+ msg_type := PCU_IF_MSG_RACH_IND,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := {
+ rach_ind := {
+ sapi := PCU_IF_SAPI_RACH,
+ ra := ra,
+ qta := ?,
+ fn := fn,
+ arfcn := ?,
+ is_11bit := is_11bit,
+ burst_type := burst_type
+ }
+ }
+}
+
+template PCUIF_Message tr_PCUIF_PAG_REQ(template uint8_t bts_nr := ?,
+ template OCT9 id_lv := ?,
+ template uint8_t chan_needed := ?,
+ template PCUIF_Sapi sapi := ?) := {
+ msg_type := PCU_IF_MSG_PAG_REQ,
+ bts_nr := bts_nr,
+ spare := ?,
+ u := {
+ pag_req := {
+ sapi := ?,
+ chan_needed := chan_needed,
+ identity_lv := id_lv
+ }
+ }
+}
+
+
+} with { encode "RAW" variant "BYTEORDER(first)" };