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measurement: pass *mr to lchan_bs_pwr_ctrl() 

As a side effect, we have to sacrifice a unit test (TC_inval_dummy)
because it becomes impossible to pass a dummy or invalid SACCH block
to lchan_bs_pwr_ctrl().

Change-Id: I937117cf26fb718d57920382f6972390ad498c51
Related: SYS#4918
This commit is contained in:
Vadim Yanitskiy 2021-10-30 02:31:28 +03:00
parent e714406632
commit fbd9aaca66
6 changed files with 19 additions and 112 deletions
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2
include/osmo-bts/power_control.h
View File

@ -87,4 +87,4 @@ int lchan_ms_pwr_ctrl(struct gsm_lchan *lchan,
const int16_t ul_lqual_cb);
int lchan_bs_pwr_ctrl(struct gsm_lchan *lchan,
const struct gsm48_hdr *gh);
const struct gsm48_meas_res *mr);

4
src/common/measurement.c
View File

@ -954,8 +954,8 @@ void lchan_meas_handle_sacch(struct gsm_lchan *lchan, struct msgb *msg)
}
lchan_ms_ta_ctrl(lchan, ms_ta, lchan->meas.ms_toa256);
lchan_ms_pwr_ctrl(lchan, ms_pwr, ul_rssi, ul_ci_cb);
if (gh)
lchan_bs_pwr_ctrl(lchan, gh);
if (mr && mr->meas_valid == 0) /* 0 = valid */
lchan_bs_pwr_ctrl(lchan, mr);
repeated_dl_facch_active_decision(lchan, mr);

36
src/common/power_control.c
View File

@ -311,46 +311,26 @@ int lchan_ms_pwr_ctrl(struct gsm_lchan *lchan,
/*! compute the new Downlink attenuation value for the given logical channel.
* \param lchan logical channel for which to compute (and in which to store) new power value.
* \param[in] gh pointer to the beginning of (presumably) a Measurement Report.
* \param[in] mr pointer to a *valid* Measurement Report.
*/
int lchan_bs_pwr_ctrl(struct gsm_lchan *lchan,
const struct gsm48_hdr *gh)
const struct gsm48_meas_res *mr)
{
struct lchan_power_ctrl_state *state = &lchan->bs_power_ctrl;
const struct gsm_power_ctrl_params *params = state->dpc_params;
uint8_t rxqual_full, rxqual_sub;
uint8_t rxlev_full, rxlev_sub;
uint8_t rxqual, rxqual_avg, rxlev, rxlev_avg;
int new_att;
/* Check if dynamic BS Power Control is enabled */
if (params == NULL)
return 0;
/* Check if this is a Measurement Report */
if (gh->proto_discr != GSM48_PDISC_RR)
return 0;
if (gh->msg_type != GSM48_MT_RR_MEAS_REP)
return 0;
/* Check if the measurement results are valid */
if ((gh->data[1] & 0x40) == 0x40) {
LOGPLCHAN(lchan, DLOOP, LOGL_DEBUG,
"The measurement results are not valid\n");
return 0;
}
/* See 3GPP TS 44.018, section 10.5.2.20 */
rxqual_full = (gh->data[2] >> 4) & 0x7;
rxqual_sub = (gh->data[2] >> 1) & 0x7;
rxlev_full = gh->data[0] & 0x3f;
rxlev_sub = gh->data[1] & 0x3f;
LOGPLCHAN(lchan, DLOOP, LOGL_DEBUG, "Rx DL Measurement Report: "
"RXLEV-FULL(%02u), RXQUAL-FULL(%u), "
"RXLEV-SUB(%02u), RXQUAL-SUB(%u), "
"DTx is %s => using %s\n",
rxlev_full, rxqual_full, rxlev_sub, rxqual_sub,
mr->rxlev_full, mr->rxqual_full,
mr->rxlev_sub, mr->rxqual_sub,
lchan->tch.dtx.dl_active ? "enabled" : "disabled",
lchan->tch.dtx.dl_active ? "SUB" : "FULL");
@ -360,11 +340,11 @@ int lchan_bs_pwr_ctrl(struct gsm_lchan *lchan,
/* If DTx is active on Downlink, use the '-SUB' */
if (lchan->tch.dtx.dl_active) {
rxqual = rxqual_sub;
rxlev = rxlev_sub;
rxqual = mr->rxqual_sub;
rxlev = mr->rxlev_sub;
} else { /* ... otherwise use the '-FULL' */
rxqual = rxqual_full;
rxlev = rxlev_full;
rxqual = mr->rxqual_full;
rxlev = mr->rxlev_full;
}
rxlev_avg = do_avg_algo(&params->rxlev_meas, &state->rxlev_meas_proc, rxlev);

56
tests/power/bs_power_loop_test.c
View File

@ -47,14 +47,8 @@
{ DL_MEAS_FULL(rxqual, rxlev), \
DL_MEAS_SUB(rxqual, rxlev) }
#define DL_MEAS_FULL_SUB_INV(rxqual, rxlev) \
{ DL_MEAS_FULL(rxqual, rxlev), \
DL_MEAS_SUB(rxqual, rxlev), \
.invalid = true }
enum power_test_step_type {
PWR_TEST_ST_IND_MEAS = 0,
PWR_TEST_ST_IND_DUMMY,
PWR_TEST_ST_SET_STATE,
PWR_TEST_ST_SET_CTRL_INTERVAL,
PWR_TEST_ST_SET_STEP_SIZE,
@ -78,7 +72,6 @@ struct power_test_step {
uint8_t rxqual_sub;
uint8_t rxlev_full;
uint8_t rxlev_sub;
bool invalid;
} meas;
/* Increase / reduce step size */
struct {
@ -123,28 +116,21 @@ static void init_test(const char *name)
printf("\nStarting test case '%s'\n", name);
}
static void enc_meas_rep(struct gsm48_hdr *gh,
static void enc_meas_rep(struct gsm48_meas_res *mr,
const unsigned int n,
const struct power_test_step *step)
{
struct gsm48_meas_res *mr = (struct gsm48_meas_res *) gh->data;
gh->proto_discr = GSM48_PDISC_RR;
gh->msg_type = GSM48_MT_RR_MEAS_REP;
*mr = (struct gsm48_meas_res) {
.rxlev_full = step->meas.rxlev_full,
.rxlev_sub = step->meas.rxlev_sub,
.rxqual_full = step->meas.rxqual_full,
.rxqual_sub = step->meas.rxqual_sub,
/* NOTE: inversed logic (1 means invalid) */
.meas_valid = step->meas.invalid,
};
printf("#%02u %s() -> Measurement Results (%svalid): "
printf("#%02u %s() -> Measurement Results (valid): "
"RXLEV-FULL(%02u), RXQUAL-FULL(%u), "
"RXLEV-SUB(%02u), RXQUAL-SUB(%u)\n",
n, __func__, step->meas.invalid ? "in" : "",
n, __func__,
mr->rxlev_full, mr->rxqual_full,
mr->rxlev_sub, mr->rxqual_sub);
}
@ -153,11 +139,8 @@ static int exec_power_step(struct gsm_lchan *lchan,
const unsigned int n,
const struct power_test_step *step)
{
struct gsm48_hdr *gh;
struct gsm48_meas_res mr;
uint8_t old, new;
uint8_t buf[18];
gh = (struct gsm48_hdr *) buf;
switch (step->type) {
case PWR_TEST_ST_SET_STATE:
@ -192,20 +175,16 @@ static int exec_power_step(struct gsm_lchan *lchan,
printf("#%02u %s() <- Enable DTXd\n", n, __func__);
lchan->tch.dtx.dl_active = true;
return 0; /* we're done */
case PWR_TEST_ST_IND_DUMMY:
printf("#%02u %s() <- Dummy block\n", n, __func__);
memset(buf, 0x2b, sizeof(buf));
break;
case PWR_TEST_ST_IND_MEAS:
enc_meas_rep(gh, n, step);
enc_meas_rep(&mr, n, step);
break;
}
printf("#%02u lchan_bs_pwr_ctrl() <- UL SACCH: %s\n",
n, osmo_hexdump(buf, sizeof(buf)));
printf("#%02u lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 %s\n",
n, osmo_hexdump((void *)&mr, sizeof(mr)));
old = lchan->bs_power_ctrl.current;
lchan_bs_pwr_ctrl(lchan, gh);
lchan_bs_pwr_ctrl(lchan, &mr);
new = lchan->bs_power_ctrl.current;
printf("#%02u lchan_bs_pwr_ctrl() -> BS power reduction: "
@ -406,24 +385,6 @@ static const struct power_test_step TC_rxqual_ber[] = {
{ .meas = DL_MEAS_FULL_SUB(7, PWR_TEST_RXLEV_TARGET) }, /* max */
};
/* Verify that invalid and dummy SACCH blocks are ignored. */
static const struct power_test_step TC_inval_dummy[] = {
/* Initial state: 16 dB, up to 20 dB */
{ .type = PWR_TEST_ST_SET_STATE,
.state = { .current = 16, .max = 2 * 10 } },
/* MS sends invalid measurement results which must be ignored */
{ .meas = DL_MEAS_FULL_SUB_INV(7, 63), .exp_txred = 16 },
{ .meas = DL_MEAS_FULL_SUB_INV(0, 0), .exp_txred = 16 },
/* Let's say SMS (SAPI=3) blocks substitute some of the reports */
{ .meas = DL_MEAS_FULL_SUB(0, PWR_TEST_RXLEV_TARGET), .exp_txred = 16 },
{ .type = PWR_TEST_ST_IND_DUMMY, /* not a report */ .exp_txred = 16 },
{ .meas = DL_MEAS_FULL_SUB(0, PWR_TEST_RXLEV_TARGET), .exp_txred = 16 },
{ .type = PWR_TEST_ST_IND_DUMMY, /* not a report */ .exp_txred = 16 },
{ .meas = DL_MEAS_FULL_SUB(0, PWR_TEST_RXLEV_TARGET), .exp_txred = 16 },
};
/* Verify handling of optional power control interval (P_Con_INTERVAL). */
static const struct power_test_step TC_ctrl_interval[] = {
/* Initial state: 0 dB, up to 20 dB */
@ -545,7 +506,6 @@ int main(int argc, char **argv)
exec_test(TC_dtxd_mode);
exec_test(TC_rxqual_ber);
exec_test(TC_inval_dummy);
exec_test(TC_ctrl_interval);
exec_test(TC_rxlev_hyst);

8
tests/power/bs_power_loop_test.err
View File

@ -130,14 +130,6 @@
(bts=0,trx=0,ts=0,ss=0) Keeping DL attenuation at 0 dB: max 20 dB, RSSI[curr -80, avg -80, thresh -80..-80] dBm, RxQual[curr 7, avg 7, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(30), RXQUAL-FULL(7), RXLEV-SUB(30), RXQUAL-SUB(7), DTx is disabled => using FULL
(bts=0,trx=0,ts=0,ss=0) Keeping DL attenuation at 0 dB: max 20 dB, RSSI[curr -80, avg -80, thresh -80..-80] dBm, RxQual[curr 7, avg 7, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) The measurement results are not valid
(bts=0,trx=0,ts=0,ss=0) The measurement results are not valid
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0), DTx is disabled => using FULL
(bts=0,trx=0,ts=0,ss=0) Keeping DL attenuation at 16 dB: max 20 dB, RSSI[curr -80, avg -80, thresh -80..-80] dBm, RxQual[curr 0, avg 0, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0), DTx is disabled => using FULL
(bts=0,trx=0,ts=0,ss=0) Keeping DL attenuation at 16 dB: max 20 dB, RSSI[curr -80, avg -80, thresh -80..-80] dBm, RxQual[curr 0, avg 0, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0), DTx is disabled => using FULL
(bts=0,trx=0,ts=0,ss=0) Keeping DL attenuation at 16 dB: max 20 dB, RSSI[curr -80, avg -80, thresh -80..-80] dBm, RxQual[curr 0, avg 0, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(60), RXQUAL-FULL(0), RXLEV-SUB(60), RXQUAL-SUB(0), DTx is disabled => using FULL
(bts=0,trx=0,ts=0,ss=0) Raising DL attenuation 0 dB => 2 dB:max 20 dB, RSSI[curr -50, avg -50, thresh -80..-80] dBm, RxQual[curr 0, avg 0, thresh 3..0]
(bts=0,trx=0,ts=0,ss=0) Rx DL Measurement Report: RXLEV-FULL(60), RXQUAL-FULL(0), RXLEV-SUB(60), RXQUAL-SUB(0), DTx is disabled => using FULL

25
tests/power/bs_power_loop_test.ok
View File

@ -243,31 +243,6 @@ Starting test case 'TC_rxqual_ber'
#16 lchan_bs_pwr_ctrl() -> BS power reduction: 0 -> 0 (expected 0)
Test case verdict: SUCCESS
Starting test case 'TC_inval_dummy'
#00 exec_power_step() <- State (re)set (current 16 dB, max 20 dB)
#01 enc_meas_rep() -> Measurement Results (invalid): RXLEV-FULL(63), RXQUAL-FULL(7), RXLEV-SUB(63), RXQUAL-SUB(7)
#01 lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 3f 7f 7e 00 00 00 00 00 00 00 00 00 00 00 00 00
#01 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#02 enc_meas_rep() -> Measurement Results (invalid): RXLEV-FULL(00), RXQUAL-FULL(0), RXLEV-SUB(00), RXQUAL-SUB(0)
#02 lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#02 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#03 enc_meas_rep() -> Measurement Results (valid): RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0)
#03 lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 1e 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#03 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#04 exec_power_step() <- Dummy block
#04 lchan_bs_pwr_ctrl() <- UL SACCH: 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
#04 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#05 enc_meas_rep() -> Measurement Results (valid): RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0)
#05 lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 1e 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#05 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#06 exec_power_step() <- Dummy block
#06 lchan_bs_pwr_ctrl() <- UL SACCH: 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
#06 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
#07 enc_meas_rep() -> Measurement Results (valid): RXLEV-FULL(30), RXQUAL-FULL(0), RXLEV-SUB(30), RXQUAL-SUB(0)
#07 lchan_bs_pwr_ctrl() <- UL SACCH: 06 15 1e 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#07 lchan_bs_pwr_ctrl() -> BS power reduction: 16 -> 16 (expected 16)
Test case verdict: SUCCESS
Starting test case 'TC_ctrl_interval'
#00 exec_power_step() <- State (re)set (current 0 dB, max 20 dB)
#01 exec_power_step() <- (Re)set power control interval: 0 -> 0