laforge has submitted this change. ( 
https://gerrit.osmocom.org/c/osmo-bts/+/21499 )

Change subject: power_control: clarify units in 'struct bts_power_ctrl_params'
......................................................................

power_control: clarify units in 'struct bts_power_ctrl_params'

Change-Id: Icb059ca1f555397be116a424800e4536883b9106
Related: SYS#4918
---
M include/osmo-bts/bts.h
M src/common/bts.c
M src/common/power_control.c
M src/common/vty.c
M src/osmo-bts-lc15/oml.c
M src/osmo-bts-oc2g/oml.c
M src/osmo-bts-sysmo/oml.c
M src/osmo-bts-sysmo/sysmobts_vty.c
M src/osmo-bts-trx/trx_vty.c
M tests/power/bs_power_loop_test.c
M tests/power/ms_power_loop_test.c
11 files changed, 42 insertions(+), 42 deletions(-)

Approvals:
  Jenkins Builder: Verified
  pespin: Looks good to me, but someone else must approve
  laforge: Looks good to me, approved



diff --git a/include/osmo-bts/bts.h b/include/osmo-bts/bts.h
index 3847a26..48f404c 100644
--- a/include/osmo-bts/bts.h
+++ b/include/osmo-bts/bts.h
@@ -104,9 +104,9 @@
 /* UL/DL power control parameters */
 struct bts_power_ctrl_params {
        /* Target value to strive to */
-       int target;
+       int target_dbm;
        /* Tolerated deviation from target */
-       int hysteresis;
+       int hysteresis_db;
        /* RxLev filtering algorithm */
        enum bts_pf_algo pf_algo;
        /* (Optional) filtering parameters */
diff --git a/src/common/bts.c b/src/common/bts.c
index a974b9f..e021864 100644
--- a/src/common/bts.c
+++ b/src/common/bts.c
@@ -332,8 +332,8 @@
        /* Default UL/DL power control parameters */
        bts->ul_power_ctrl = bts->dl_power_ctrl = \
        (struct bts_power_ctrl_params) {
-               .target = -75,          /* dBm default */
-               .hysteresis = 3,        /* -78 .. -72 dBm */
+               .target_dbm = -75,
+               .hysteresis_db = 3,     /* -78 .. -72 dBm */
                .pf_algo = BTS_PF_ALGO_EWMA,
                .pf = {
                        .ewma = {
diff --git a/src/common/power_control.c b/src/common/power_control.c
index a8bf031..d458a92 100644
--- a/src/common/power_control.c
+++ b/src/common/power_control.c
@@ -113,10 +113,10 @@

        /* How many dBs measured power should be increased (+) or decreased (-)
         * to reach expected power. */
-       delta = params->target - rxlev_dbm_avg;
+       delta = params->target_dbm - rxlev_dbm_avg;

        /* Tolerate small deviations from 'rx-target' */
-       if (abs(delta) <= params->hysteresis)
+       if (abs(delta) <= params->hysteresis_db)
                return 0;
 
        /* Don't ever change more than PWR_{LOWER,RAISE}_MAX_DBM during one loop
@@ -192,7 +192,7 @@
                LOGPLCHAN(lchan, DLOOP, LOGL_INFO, "Keeping MS power at control 
level %d, %d dBm "
                          "(rx-ms-pwr-lvl %" PRIu8 ", max-ms-pwr-lvl %" PRIu8 
", rx-current %d dBm, rx-target %d dBm)\n",
                          new_power_lvl, new_dbm, ms_power_lvl, state->max,
-                         ul_rssi_dbm, params->target);
+                         ul_rssi_dbm, params->target_dbm);
                return 0;
        }

@@ -201,7 +201,7 @@
                  "(rx-ms-pwr-lvl %" PRIu8 ", max-ms-pwr-lvl %" PRIu8 ", 
rx-current %d dBm, rx-target %d dBm)\n",
                  (new_dbm > current_dbm) ? "Raising" : "Lowering",
                  state->current, current_dbm, new_power_lvl, new_dbm,
-                 ms_power_lvl, state->max, ul_rssi_dbm, params->target);
+                 ms_power_lvl, state->max, ul_rssi_dbm, params->target_dbm);

        /* store the resulting new MS power level in the lchan */
        state->current = new_power_lvl;
@@ -301,13 +301,13 @@
        if (state->current != new) {
                LOGPLCHAN(lchan, DLOOP, LOGL_INFO, "Changing Downlink 
attenuation: "
                          "%u -> %u dB (maximum %u dB, target %d dBm, delta %d 
dB)\n",
-                         state->current, new, state->max, params->target, 
delta);
+                         state->current, new, state->max, params->target_dbm, 
delta);
                state->current = new;
                return 1;
        } else {
                LOGPLCHAN(lchan, DLOOP, LOGL_INFO, "Keeping Downlink 
attenuation "
                          "at %u dB (maximum %u dB, target %d dBm, delta %d 
dB)\n",
-                         state->current, state->max, params->target, delta);
+                         state->current, state->max, params->target_dbm, 
delta);
                return 0;
        }
 }
diff --git a/src/common/vty.c b/src/common/vty.c
index 5d21e58..bbb0ba1 100644
--- a/src/common/vty.c
+++ b/src/common/vty.c
@@ -255,9 +255,9 @@
                VTY_NEWLINE);
        vty_out(vty, " paging lifetime %u%s", 
paging_get_lifetime(bts->paging_state),
                VTY_NEWLINE);
-       vty_out(vty, " uplink-power-target %d", bts->ul_power_ctrl.target);
-       if (bts->ul_power_ctrl.hysteresis > 0)
-               vty_out(vty, " hysteresis %d", bts->ul_power_ctrl.hysteresis);
+       vty_out(vty, " uplink-power-target %d", bts->ul_power_ctrl.target_dbm);
+       if (bts->ul_power_ctrl.hysteresis_db > 0)
+               vty_out(vty, " hysteresis %d", 
bts->ul_power_ctrl.hysteresis_db);
        vty_out(vty, "%s", VTY_NEWLINE);

        /* MS Tx power filtering algorithm and parameters */
@@ -633,8 +633,8 @@
 {
        struct gsm_bts *bts = vty->index;

-       bts->ul_power_ctrl.target = atoi(argv[0]);
-       bts->ul_power_ctrl.hysteresis = 0;
+       bts->ul_power_ctrl.target_dbm = atoi(argv[0]);
+       bts->ul_power_ctrl.hysteresis_db = 0;

        return CMD_SUCCESS;
 }
@@ -650,8 +650,8 @@
 {
        struct gsm_bts *bts = vty->index;

-       bts->ul_power_ctrl.target = atoi(argv[0]);
-       bts->ul_power_ctrl.hysteresis = atoi(argv[1]);
+       bts->ul_power_ctrl.target_dbm = atoi(argv[0]);
+       bts->ul_power_ctrl.hysteresis_db = atoi(argv[1]);

        return CMD_SUCCESS;
 }
diff --git a/src/osmo-bts-lc15/oml.c b/src/osmo-bts-lc15/oml.c
index 0fb9d00..4c71790 100644
--- a/src/osmo-bts-lc15/oml.c
+++ b/src/osmo-bts-lc15/oml.c
@@ -434,7 +434,7 @@
        dev_par->u16BcchArfcn = trx->bts->c0->arfcn;
        dev_par->u8NbTsc = trx->bts->bsic & 7;
        dev_par->fRxPowerLevel = trx_ms_pwr_ctrl_is_osmo(trx)
-                                       ? 0.0 : trx->bts->ul_power_ctrl.target;
+                                       ? 0.0 : 
trx->bts->ul_power_ctrl.target_dbm;

        dev_par->fTxPowerLevel = 0.0;
        LOGP(DL1C, LOGL_NOTICE, "Init TRX (Band %d, ARFCN %u, TSC %u, RxPower % 
2f dBm, "
diff --git a/src/osmo-bts-oc2g/oml.c b/src/osmo-bts-oc2g/oml.c
index be0ec30..b62e61c 100644
--- a/src/osmo-bts-oc2g/oml.c
+++ b/src/osmo-bts-oc2g/oml.c
@@ -449,7 +449,7 @@
        dev_par->u16BcchArfcn = trx->bts->c0->arfcn;
        dev_par->u8NbTsc = trx->bts->bsic & 7;
        dev_par->fRxPowerLevel = trx_ms_pwr_ctrl_is_osmo(trx)
-                                       ? 0.0 : trx->bts->ul_power_ctrl.target;
+                                       ? 0.0 : 
trx->bts->ul_power_ctrl.target_dbm;

        dev_par->fTxPowerLevel = 0.0;
        LOGP(DL1C, LOGL_NOTICE, "Init TRX (Band %d, ARFCN %u, TSC %u, RxPower % 
2f dBm, "
diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c
index 5f638e6..b79f731 100644
--- a/src/osmo-bts-sysmo/oml.c
+++ b/src/osmo-bts-sysmo/oml.c
@@ -429,7 +429,7 @@
        dev_par->u16BcchArfcn = trx->bts->c0->arfcn;
        dev_par->u8NbTsc = trx->bts->bsic & 7;
        dev_par->fRxPowerLevel = trx_ms_pwr_ctrl_is_osmo(trx)
-                                       ? 0.0 : trx->bts->ul_power_ctrl.target;
+                                       ? 0.0 : 
trx->bts->ul_power_ctrl.target_dbm;

        dev_par->fTxPowerLevel = ((float) initial_mdBm) / 1000;
        LOGP(DL1C, LOGL_NOTICE, "Init TRX (ARFCN %u, TSC %u, RxPower % 2f dBm, "
diff --git a/src/osmo-bts-sysmo/sysmobts_vty.c 
b/src/osmo-bts-sysmo/sysmobts_vty.c
index 1f2aefb..65edbf0 100644
--- a/src/osmo-bts-sysmo/sysmobts_vty.c
+++ b/src/osmo-bts-sysmo/sysmobts_vty.c
@@ -154,7 +154,7 @@
 {
        struct gsm_bts_trx *trx = vty->index;

-       trx->bts->ul_power_ctrl.target = atoi(argv[0]);
+       trx->bts->ul_power_ctrl.target_dbm = atoi(argv[0]);

        return CMD_SUCCESS;
 }
diff --git a/src/osmo-bts-trx/trx_vty.c b/src/osmo-bts-trx/trx_vty.c
index 0353064..55a7ee7 100644
--- a/src/osmo-bts-trx/trx_vty.c
+++ b/src/osmo-bts-trx/trx_vty.c
@@ -198,7 +198,7 @@
 {
        vty_out (vty, "'osmotrx ms-power-loop' is deprecated, use 
'uplink-power-target' instead%s", VTY_NEWLINE);

-       g_bts->ul_power_ctrl.target = atoi(argv[0]);
+       g_bts->ul_power_ctrl.target_dbm = atoi(argv[0]);
 
        return CMD_SUCCESS;
 }
diff --git a/tests/power/bs_power_loop_test.c b/tests/power/bs_power_loop_test.c
index bc6b815..2f60cc0 100644
--- a/tests/power/bs_power_loop_test.c
+++ b/tests/power/bs_power_loop_test.c
@@ -95,7 +95,7 @@
        g_trx = gsm_bts_trx_alloc(g_bts);
        OSMO_ASSERT(g_trx != NULL);

-       g_bts->dl_power_ctrl.target = rxlev2dbm(PWR_TEST_RXLEV_TARGET);
+       g_bts->dl_power_ctrl.target_dbm = rxlev2dbm(PWR_TEST_RXLEV_TARGET);
        g_bts->band = GSM_BAND_900;
        g_bts->c0 = g_trx;

@@ -147,7 +147,7 @@
        case PWR_TEST_ST_SET_PARAMS:
                printf("#%02u %s() <- Param (re)set (target %d dBm, hysteresis 
%u dB, "
                                                    "filtering is %sabled)\n",
-                      n, __func__, step->params.target, 
step->params.hysteresis,
+                      n, __func__, step->params.target_dbm, 
step->params.hysteresis_db,
                       step->params.pf_algo != BTS_PF_ALGO_NONE ? "en" : "dis");
                g_bts->dl_power_ctrl = step->params;
                return 0; /* we're done */
@@ -326,8 +326,8 @@
        /* Enable hysteresis */
        { .type = PWR_TEST_ST_SET_PARAMS,
          .params = {
-               .target = -110 + PWR_TEST_RXLEV_TARGET,
-               .hysteresis = 3,
+               .target_dbm = -110 + PWR_TEST_RXLEV_TARGET,
+               .hysteresis_db = 3,
          }
        },

@@ -347,7 +347,7 @@
        /* Enable EWMA based power filtering */
        { .type = PWR_TEST_ST_SET_PARAMS,
          .params = {
-               .target = -110 + PWR_TEST_RXLEV_TARGET, /* RxLev 30 */
+               .target_dbm = -110 + PWR_TEST_RXLEV_TARGET, /* RxLev 30 */
                .pf_algo = BTS_PF_ALGO_EWMA,
                .pf.ewma.alpha = 50,
          }
diff --git a/tests/power/ms_power_loop_test.c b/tests/power/ms_power_loop_test.c
index 147c725..4f4f746 100644
--- a/tests/power/ms_power_loop_test.c
+++ b/tests/power/ms_power_loop_test.c
@@ -47,8 +47,8 @@

        g_trx->ms_pwr_ctl_soft = true;

-       g_bts->ul_power_ctrl.target = -75;
-       g_bts->dl_power_ctrl.target = -75;
+       g_bts->ul_power_ctrl.target_dbm = -75;
+       g_bts->dl_power_ctrl.target_dbm = -75;
        g_bts->band = GSM_BAND_1800;
        g_bts->c0 = g_trx;

@@ -99,7 +99,7 @@
        apply_power_test(lchan, -90, 1, 5);

        /* Check good RSSI value keeps it at same power level: */
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target, 0, 5);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm, 0, 5);

        apply_power_test(lchan, -90, 1, 3);
        apply_power_test(lchan, -90, 1, 2); /* .max is pwr lvl 2 */
@@ -117,7 +117,7 @@
        apply_power_test(lchan, -90, 0, 29);

        /* Check good RSSI value keeps it at same power level: */
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target, 0, 29);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm, 0, 29);

        /* Now go down, steps are double size in this direction: */
        apply_power_test(lchan, -45, 1, 1);
@@ -125,13 +125,13 @@
        apply_power_test(lchan, -45, 1, 9);

        /* Go down only one level down and up: */
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target + 2, 1, 10);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target - 2, 1, 9);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm + 2, 1, 10);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm - 2, 1, 9);

        /* Check if BSC requesting a low max power is applied after loop 
calculation: */
        lchan->ms_power_ctrl.max = ms_pwr_ctl_lvl(GSM_BAND_1800, 2);
        OSMO_ASSERT(lchan->ms_power_ctrl.max == 14);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target + 2, 1, 14);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm + 2, 1, 14);
        /* Set back a more normal max: */
        lchan->ms_power_ctrl.max = ms_pwr_ctl_lvl(GSM_BAND_1800, 30);
        OSMO_ASSERT(lchan->ms_power_ctrl.max == 0);
@@ -215,22 +215,22 @@
        lchan = &g_trx->ts[0].lchan[0];

        /* Tolerate power deviations in range -80 .. -70 */
-       g_bts->ul_power_ctrl.hysteresis = 5;
+       g_bts->ul_power_ctrl.hysteresis_db = 5;

        lchan->ms_power_ctrl.current = ms_pwr_ctl_lvl(GSM_BAND_1800, 0);
        OSMO_ASSERT(lchan->ms_power_ctrl.current == 15);
        lchan->ms_power_ctrl.max = ms_pwr_ctl_lvl(GSM_BAND_1800, 26);
        OSMO_ASSERT(lchan->ms_power_ctrl.max == 2);

-       apply_power_test(lchan, g_bts->ul_power_ctrl.target, 0, 15);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target + 3, 0, 15);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target - 3, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm + 3, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm - 3, 0, 15);

-       apply_power_test(lchan, g_bts->ul_power_ctrl.target, 0, 15);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target + 5, 0, 15);
-       apply_power_test(lchan, g_bts->ul_power_ctrl.target - 5, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm + 5, 0, 15);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm - 5, 0, 15);

-       apply_power_test(lchan, g_bts->ul_power_ctrl.target - 10, 1, 13);
+       apply_power_test(lchan, g_bts->ul_power_ctrl.target_dbm - 10, 1, 13);
 }

 int main(int argc, char **argv)

--
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: Icb059ca1f555397be116a424800e4536883b9106
Gerrit-Change-Number: 21499
Gerrit-PatchSet: 3
Gerrit-Owner: fixeria <vyanits...@sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <lafo...@osmocom.org>
Gerrit-Reviewer: pespin <pes...@sysmocom.de>
Gerrit-MessageType: merged

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