pespin has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-bts/+/41794?usp=email )


Change subject: bs_power_control: Apply defaults during reset
......................................................................

bs_power_control: Apply defaults during reset

lchan_bs_pwr_ctrl_reset() is already called furhter above in
rsl_rx_chan_activ(), so simplify mode the default values there and no
need to re-apply them twice.

Change-Id: I00d9205d114b2d507c1048375693de4aa06bebbe
---
M src/common/power_control.c
M src/common/rsl.c
2 files changed, 4 insertions(+), 8 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/94/41794/1

diff --git a/src/common/power_control.c b/src/common/power_control.c
index 0520ed8..bf310c6 100644
--- a/src/common/power_control.c
+++ b/src/common/power_control.c
@@ -325,9 +325,12 @@
        struct lchan_power_ctrl_state *state = &lchan->bs_power_ctrl;

        /* This below implicitly sets:
+        * state->current = 0 (it's safer to start from 0 unless told 
differently).
         * state->dpc_params = NULL (static mode).
         * state->skip_block_num = 0, so that 1st power input is taken into 
account. */
        memset(state, 0, sizeof(*state));
+
+       state->max = 2 * 15; /* maximum defined in 9.3.4 */
 }

 /*! compute the new Downlink attenuation value for the given logical channel.
diff --git a/src/common/rsl.c b/src/common/rsl.c
index cb13977..863167e 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -1989,8 +1989,6 @@
                }
        }

-       /* Initialize MS/BS Power Control state */
-       lchan_bs_pwr_ctrl_reset(lchan);
        lchan_ms_pwr_ctrl_reset(lchan);

        /* 9.3.6 Channel Mode */
@@ -2028,6 +2026,7 @@
        }

        /* 9.3.4 BS Power */
+       lchan_bs_pwr_ctrl_reset(lchan);
        if (TLVP_PRES_LEN(&tp, RSL_IE_BS_POWER, 1)) {
                if (*TLVP_VAL(&tp, RSL_IE_BS_POWER) & (1 << 4)) {
                        LOGPLCHAN(lchan, DRSL, LOGL_NOTICE,
@@ -2048,9 +2047,6 @@

                LOGPLCHAN(lchan, DRSL, LOGL_DEBUG, "BS Power attenuation %u 
dB\n",
                          lchan->bs_power_ctrl.current);
-       } else {
-               lchan->bs_power_ctrl.max = 2 * 15; /* maximum defined in 9.3.4 
*/
-               lchan->bs_power_ctrl.current = 0;
        }

        /* 9.3.13 MS Power */
@@ -2096,9 +2092,6 @@
                        LOGPLCHAN(lchan, DRSL, LOGL_ERROR, "Failed to parse BS 
Power Parameters IE\n");
                        return rsl_tx_chan_act_nack(lchan, RSL_ERR_IE_CONTENT);
                }
-
-               /* NOTE: it's safer to start from 0 */
-               lchan->bs_power_ctrl.current = 0;
                lchan->bs_power_ctrl.dpc_params = params;
        }


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Gerrit-MessageType: newchange
Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I00d9205d114b2d507c1048375693de4aa06bebbe
Gerrit-Change-Number: 41794
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>

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