Hoernchen has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/14417
Change subject: BTS: add some dynamic power control tests
......................................................................
BTS: add some dynamic power control tests
Change-Id: I57489ba22542d859ced767e856634f9060c060f0
---
M bts/BTS_Tests.ttcn
M library/RSL_Types.ttcn
2 files changed, 392 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/17/14417/1
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 3244b48..01170f0 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -193,7 +193,8 @@
float t_guard,
ConnL1Pars l1_pars,
TestSpecUnion spec optional,
- RSL_IE_EncryptionInfo encr optional
+ RSL_IE_EncryptionInfo encr optional,
+ BtsBand bts0_band optional
}
/* Test-specific parameters */
@@ -594,7 +595,8 @@
ms_actual_ta := mp_ms_actual_ta_exp
},
spec := omit,
- encr := omit
+ encr := omit,
+ bts0_band := omit
}
/***********************************************************************
@@ -1890,6 +1892,363 @@
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
}
+/* target level -100, first rssi -90, ms power 7, expected increase to 7+6
within 6 seconds,
+second rssi -110, ms power 7+6, expected decrease to 7 within 6 seconds,
+These power levels are valid for all bands and require no special handling */
+function f_TC_rsl_ms_pwr_dyn_ass_updown(charstring id) runs on ConnHdlr {
+ var uint5_t pwr_var := 7;
+ var L1ctlDlMessage l1_dl;
+
+ f_trxc_fake_rssi(rxlev2dbm(10));
+ f_l1_tune(L1CTL);
+ RSL.clear;
+
+ var RSL_IE_List addl_ies;
+ var RSL_IE_MS_Power_Parameters pp;
+ pp := valueof(ts_RSL_IE_MS_Power_Parameters('aabbcc'O));
+
+ addl_ies := {
+ valueof(t_RSL_IE(RSL_IE_MS_POWER, RSL_IE_Body:{ms_power :=
ts_RSL_IE_MS_Power(pwr_var)})),
+ valueof(t_RSL_IE(RSL_IE_MS_POWER_PARAM,
RSL_IE_Body:{ms_power_params := pp}))
+ };
+
+ /* establish with power parameters */
+ f_est_dchan(more_ies := addl_ies);
+
+ /* set a high value to ensure L1 power control level increases */
+ f_trxc_fake_rssi(rxlev2dbm(20));
+
+ timer T2 := 6.0;
+ T2.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl {
+ if( not(oct2int(l1_dl.payload.data_ind.payload[0]) >
(pwr_var+6))){
+ repeat;
+ }
+ T2.stop;
+ }
+ [] L1CTL.receive { repeat; }
+ [] T2.timeout {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ "Power Level in L1 header has not increased
sufficiently");
+ }
+ }
+
+ /* set a low value to ensure L1 power control level decreases */
+ f_trxc_fake_rssi(rxlev2dbm(0));
+
+ timer T4 := 6.0;
+ T4.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl {
+ if( not(oct2int(l1_dl.payload.data_ind.payload[0]) <=
(pwr_var))){
+ repeat;
+ }
+ T4.stop;
+ setverdict(pass, "Power level in L1 decreased/increased as
expected");
+ }
+ [] L1CTL.receive { repeat; }
+ [] T4.timeout {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ "Power Level in L1 header has not decreased
sufficiently");
+ }
+ }
+
+ f_rsl_chan_deact();
+ f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
+
+}
+
+/* check that we do not exceed the max power */
+function f_TC_rsl_ms_pwr_dyn_max(charstring id) runs on ConnHdlr {
+ var uint5_t pwr_var := 7;
+ var L1ctlDlMessage l1_dl;
+
+ /* set a low value to ensure power increases */
+ f_trxc_fake_rssi(rxlev2dbm(10));
+ f_l1_tune(L1CTL);
+ RSL.clear;
+
+ var RSL_IE_List addl_ies;
+ var RSL_IE_MS_Power_Parameters pp;
+ pp := valueof(ts_RSL_IE_MS_Power_Parameters('aabbcc'O));
+
+ addl_ies := {
+ valueof(t_RSL_IE(RSL_IE_MS_POWER, RSL_IE_Body:{ms_power :=
ts_RSL_IE_MS_Power(pwr_var)})),
+ valueof(t_RSL_IE(RSL_IE_MS_POWER_PARAM,
RSL_IE_Body:{ms_power_params := pp}))
+ };
+
+ /* establish with power parameters */
+ f_est_dchan(more_ies := addl_ies);
+
+ timer T1 := 10.0;
+ T1.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl { repeat; }
+ [] L1CTL.receive { repeat; }
+ [] T1.timeout {
+ if( oct2int(l1_dl.payload.data_ind.payload[0]) != pwr_var){
+ setverdict(fail, "Power level in L1 header should not
have changed");
+ }
+ }
+ }
+
+ f_rsl_chan_deact();
+ f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
+
+}
+
+/* see if we reach the band max power */
+function f_TC_rsl_ms_pwr_dyn_up(charstring id) runs on ConnHdlr {
+ var L1ctlDlMessage l1_dl;
+ var uint5_t pwr_var := 15;
+ var uint5_t pwr_max_var := f_get_max_power_from_band();
+
+ /* set a low value to ensure power increases */
+ f_trxc_fake_rssi(rxlev2dbm(10));
+ f_l1_tune(L1CTL);
+ RSL.clear;
+
+ var RSL_IE_MS_Power ms_power;
+ ms_power := valueof(ts_RSL_IE_MS_Power(pwr_var));
+ var RSL_IE pwr;
+ pwr := valueof(t_RSL_IE(RSL_IE_MS_POWER, RSL_IE_Body:{ms_power :=
ms_power}));
+
+ /* establish with fixed power level */
+ f_est_dchan(more_ies :={pwr});
+
+ /* check our initial power level */
+ f_wait_for_l1_power_level(pwr_var);
+
+ /* update power param to enable power loop
+ 48.058 The maximum power to be used is indicated in the BS and MS Power
elements respectively. */
+ var RSL_Message rsl;
+ rsl := valueof(ts_RSL_MS_PWR_CTRL_with_pp(g_chan_nr, pwr_max_var));
+ RSL.send(rsl);
+
+ /* wait, then check that our power level was reduced */
+ timer T1 := 10.0;
+ T1.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl { repeat; }
+ [] L1CTL.receive { repeat; }
+ [] T1.timeout {
+ var int8_t rcv := oct2int(l1_dl.payload.data_ind.payload[0]);
+ if( f_power_level_is_highest_dbm(rcv) ){
+ setverdict(pass, "Power level in L1 header reduced as
expected");
+ } else {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ log2str("Power Level in L1 header did not reach the
expected value, e:",pwr_max_var," r:",rcv));
+ }
+ }
+ }
+
+ f_rsl_chan_deact();
+ f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
+
+}
+
+/* see if we reach the band min power */
+function f_TC_rsl_ms_pwr_dyn_down(charstring id) runs on ConnHdlr {
+ var L1ctlDlMessage l1_dl;
+
+ /* set a high value to ensure power decreases */
+ f_trxc_fake_rssi(rxlev2dbm(50));
+ f_l1_tune(L1CTL);
+ RSL.clear;
+
+ var uint5_t pwr_var := 5;
+ var uint5_t pwr_target_val := 15;
+
+ var RSL_IE_MS_Power ms_power;
+ ms_power := valueof(ts_RSL_IE_MS_Power(pwr_var));
+ var RSL_IE pwr;
+ pwr := valueof(t_RSL_IE(RSL_IE_MS_POWER, RSL_IE_Body:{ms_power :=
ms_power}));
+
+ /* establish with fixed power level */
+ f_est_dchan(more_ies :={pwr});
+
+ /* check our initial power level */
+ f_wait_for_l1_power_level(pwr_var);
+
+ /* update power param to enable power loop
+ as per spec the supplied ms power IE should set the max allowed
power...*/
+ var RSL_Message rsl;
+ rsl := valueof(ts_RSL_MS_PWR_CTRL_with_pp(g_chan_nr, pwr_var));
+ RSL.send(rsl);
+
+ /* wait, then check that our power level was increased */
+ timer T1 := 10.0;
+ T1.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl { repeat; }
+ [] L1CTL.receive { repeat; }
+ [] T1.timeout {
+ if(
f_power_level_is_lowest_dbm(oct2int(l1_dl.payload.data_ind.payload[0])) ){
+ setverdict(pass, "Power level in L1 header increased to
lowest power value");
+ } else {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ "Power level in L1 header NOT increased to lowest power
value");
+ }
+ }
+ }
+
+ f_rsl_chan_deact();
+ f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
+
+}
+
+function f_wait_for_l1_power_level(integer level) runs on ConnHdlr {
+ var L1ctlDlMessage l1_dl;
+ timer T0 := 10.0;
+ T0.start;
+ alt {
+ [] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, tr_RslLinkID_SACCH(?)))
-> value l1_dl {
+ if (not (l1_dl.payload.data_ind.payload[0] == int2oct(level,
1))) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ "Power level in L1 header != signaled (RSL) power
level.");
+ }
+ }
+ [] L1CTL.receive { repeat; }
+ [] T0.timeout {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
+ "Timeout waiting for initial power level");
+ }
+ }
+ T0.stop;
+}
+
+private function f_power_level_is_lowest_dbm(integer level) runs on ConnHdlr
return boolean {
+ var IntegerRecord min_dbm_level;
+ var IntegerRecord max_dbm_level;
+ var IntegerRecord x := f_power_from_band(g_pars.bts0_band,
min_dbm_level, max_dbm_level);
+
+ for (var integer i := 0; i < sizeof(min_dbm_level); i := i+1) {
+ if (min_dbm_level[i] == level) {
+ return true;
+ }
+ }
+ return false;
+}
+
+private function f_power_level_is_highest_dbm(integer level) runs on ConnHdlr
return boolean {
+ var IntegerRecord min_dbm_level;
+ var IntegerRecord max_dbm_level;
+ var IntegerRecord x := f_power_from_band(g_pars.bts0_band,
min_dbm_level, max_dbm_level);
+
+ for (var integer i := 0; i < sizeof(max_dbm_level); i := i+1) {
+ if (max_dbm_level[i] == level) {
+ return true;
+ }
+ }
+ return false;
+}
+
+private function f_get_max_power_from_band() runs on ConnHdlr return integer {
+ var IntegerRecord min_dbm_level;
+ var IntegerRecord max_dbm_level;
+ var IntegerRecord x := f_power_from_band(g_pars.bts0_band,
min_dbm_level, max_dbm_level);
+ return max_dbm_level[0];
+}
+
+type charstring BtsBand
("GSM450","GSM480","GSM750","GSM810","GSM850","GSM900","DCS1800","PCS1900");
+private function f_power_from_band(in BtsBand band, out IntegerRecord
min_dbm_level, out IntegerRecord max_dbm_level) return IntegerRecord {
+ // 45.005 4.1.1
+ var IntegerRecord gsm_power :={31, 30, 29, 28, 27, 26, 25, 24, 23, 22,
21, 20, 19,
+ 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3,
+ 2, 1, 0};
+ var IntegerRecord dcs_power :={28, 27, 26, 25, 24, 23, 22, 21, 20, 19,
18, 17, 16, 15,
+ 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 31, 30, 29};
+ var IntegerRecord pcs_power :={15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5,
4, 3, 2, 1, 0, 31, 30};
+ var IntegerRecord rv;
+
+ if((band == "GSM450")
+ or (band == "GSM480")
+ or (band == "GSM750")
+ or (band == "GSM810")
+ or (band == "GSM850")
+ or (band == "GSM900")){
+ rv := gsm_power;
+ min_dbm_level := {31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21,
20, 19} ;
+ max_dbm_level := {2, 1, 0};
+ } else if(band == "DCS1800"){
+ rv := dcs_power;
+ min_dbm_level := {28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18,
17, 16, 15};
+ max_dbm_level := {29};
+ } else if(band == "PCS1900"){
+ rv := pcs_power;
+ min_dbm_level := {15};
+ max_dbm_level := {30};
+ }
+
+
+ return rv;
+}
+
+private function f_vty_get_bts0_band() runs on test_CT return BtsBand {
+ return f_vty_transceive_match_regex(BTSVTY, "show bts 0", "BTS 0 is of
\w+ type in band (\w+),*", 0);
+}
+
+testcase TC_rsl_ms_pwr_dyn_ass_updown() runs on test_CT {
+ var ConnHdlr vc_conn;
+ var ConnHdlrPars pars;
+ f_init();
+ f_vty_config(BTSVTY, "phy 0", "osmotrx ms-power-loop -100");
+ for (var integer tn := 1; tn <= 1; tn := tn+1) {
+ pars := valueof(t_Pars(t_RslChanNr_Bm(tn),
ts_RSL_ChanMode_SIGN));
+ pars.bts0_band := f_vty_get_bts0_band();
+ vc_conn :=
f_start_handler(refers(f_TC_rsl_ms_pwr_dyn_ass_updown), pars, trxc_comp :=
true);
+ vc_conn.done;
+ }
+ f_vty_config(BTSVTY, "phy 0", "no osmotrx ms-power-loop");
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
+testcase TC_rsl_ms_pwr_dyn_up() runs on test_CT {
+ var ConnHdlr vc_conn;
+ var ConnHdlrPars pars;
+ f_init();
+ f_vty_config(BTSVTY, "phy 0", "osmotrx ms-power-loop -10");
+ for (var integer tn := 1; tn <= 1; tn := tn+1) {
+ pars := valueof(t_Pars(t_RslChanNr_Bm(tn),
ts_RSL_ChanMode_SIGN));
+ pars.bts0_band := f_vty_get_bts0_band();
+ vc_conn := f_start_handler(refers(f_TC_rsl_ms_pwr_dyn_up),
pars, trxc_comp := true);
+ vc_conn.done;
+ }
+ f_vty_config(BTSVTY, "phy 0", "no osmotrx ms-power-loop");
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
+testcase TC_rsl_ms_pwr_dyn_max() runs on test_CT {
+ var ConnHdlr vc_conn;
+ var ConnHdlrPars pars;
+ f_init();
+ f_vty_config(BTSVTY, "phy 0", "osmotrx ms-power-loop -10");
+ for (var integer tn := 1; tn <= 1; tn := tn+1) {
+ pars := valueof(t_Pars(t_RslChanNr_Bm(tn),
ts_RSL_ChanMode_SIGN));
+ pars.bts0_band := f_vty_get_bts0_band();
+ vc_conn := f_start_handler(refers(f_TC_rsl_ms_pwr_dyn_max),
pars, trxc_comp := true);
+ vc_conn.done;
+ }
+ f_vty_config(BTSVTY, "phy 0", "no osmotrx ms-power-loop");
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
+testcase TC_rsl_ms_pwr_dyn_down() runs on test_CT {
+ var ConnHdlr vc_conn;
+ var ConnHdlrPars pars;
+ f_init();
+ f_vty_config(BTSVTY, "phy 0", "osmotrx ms-power-loop -100");
+ for (var integer tn := 1; tn <= 1; tn := tn+1) {
+ pars := valueof(t_Pars(t_RslChanNr_Bm(tn),
ts_RSL_ChanMode_SIGN));
+ pars.bts0_band := f_vty_get_bts0_band();
+ vc_conn := f_start_handler(refers(f_TC_rsl_ms_pwr_dyn_down),
pars, trxc_comp := true);
+ vc_conn.done;
+ }
+ f_vty_config(BTSVTY, "phy 0", "no osmotrx ms-power-loop");
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
testcase TC_meas_res_sign_tchf() runs on test_CT {
var ConnHdlr vc_conn;
var ConnHdlrPars pars;
@@ -1902,6 +2261,7 @@
}
Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
}
+
testcase TC_meas_res_sign_tchh() runs on test_CT {
var ConnHdlr vc_conn;
var ConnHdlrPars pars;
@@ -5550,6 +5910,10 @@
execute( TC_meas_res_sign_sdcch8() );
execute( TC_meas_res_sign_tchh_toa256() );
execute( TC_rsl_ms_pwr_ctrl() );
+ execute( TC_rsl_ms_pwr_dyn_up() );
+ execute( TC_rsl_ms_pwr_dyn_down() );
+ execute( TC_rsl_ms_pwr_dyn_ass_updown() );
+ execute( TC_rsl_ms_pwr_dyn_max() );
execute( TC_rsl_chan_initial_ms_pwr() );
execute( TC_rsl_chan_initial_ta() );
execute( TC_rsl_modify_encr() );
diff --git a/library/RSL_Types.ttcn b/library/RSL_Types.ttcn
index 456d6d2..0534b74 100644
--- a/library/RSL_Types.ttcn
+++ b/library/RSL_Types.ttcn
@@ -626,6 +626,18 @@
msg := msg
}
+ /* 9.3.31 */
+ type record RSL_IE_MS_Power_Parameters {
+ uint8_t len,
+ octetstring params
+ } with {
+ variant (len) "LENGTHTO(params)";
+ };
+ template (value) RSL_IE_MS_Power_Parameters
ts_RSL_IE_MS_Power_Parameters(octetstring params) := {
+ len := 0, /* overwritten */
+ params := params
+ }
+
/* 9.3.40 */
type enumerated RSL_ChanNeeded {
RSL_CHANNEED_ANY ('00'B),
@@ -765,6 +777,7 @@
uint8_t handover_ref,
RSL_IE_BS_Power bs_power,
RSL_IE_MS_Power ms_power,
+ RSL_IE_MS_Power_Parameters ms_power_params,
uint8_t timing_adv,
RSL_IE_MultirateCtrl multirate_ctrl,
uint8_t msg_id,
@@ -819,6 +832,7 @@
handover_ref, iei = RSL_IE_HANDO_REF;
bs_power, iei = RSL_IE_BS_POWER;
ms_power, iei = RSL_IE_MS_POWER;
+ ms_power_params, iei =
RSL_IE_MS_POWER_PARAM;
timing_adv, iei = RSL_IE_TIMING_ADVANCE;
multirate_ctrl, iei = RSL_IE_MR_CONTROL;
msg_id, iei = RSL_IE_MSG_ID;
@@ -1442,6 +1456,18 @@
}
}
+ template (value) RSL_Message ts_RSL_MS_PWR_CTRL_with_pp(template
(value) RslChannelNr chan_nr,
+ integer pwr_level) := {
+ msg_disc := ts_RSL_MsgDisc(RSL_MDISC_DCHAN, false),
+ msg_type := RSL_MT_MS_POWER_CONTROL,
+ ies := {
+ t_RSL_IE(RSL_IE_CHAN_NR, RSL_IE_Body:{chan_nr :=
chan_nr}),
+ t_RSL_IE(RSL_IE_MS_POWER, RSL_IE_Body:{ms_power :=
ts_RSL_IE_MS_Power(pwr_level)}),
+ t_RSL_IE(RSL_IE_MS_POWER_PARAM,
RSL_IE_Body:{ms_power_params :=
+ ts_RSL_IE_MS_Power_Parameters('aabbcc'O)})
+ }
+ }
+
/* 8.4.19 BTS -> BSC */
template (value) RSL_Message ts_RSL_RF_CHAN_REL_ACK(template (value)
RslChannelNr chan_nr) :=
ts_RSL_MsgDiscType(ts_RSL_MsgDisc(RSL_MDISC_DCHAN, false),
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I57489ba22542d859ced767e856634f9060c060f0
Gerrit-Change-Number: 14417
Gerrit-PatchSet: 1
Gerrit-Owner: Hoernchen <ew...@sysmocom.de>
Gerrit-MessageType: newchange
