fixeria has submitted this change. ( 
https://gerrit.osmocom.org/c/osmocom-bb/+/28761 )

Change subject: trx_toolkit: do not auto power on/off child MS Transceivers
......................................................................

trx_toolkit: do not auto power on/off child MS Transceivers

By default, powering on/off a parent transceiver (child_idx=0) will
automatically power on/off its child transceivers (if any).  This
behavior is desirable for the BTS, but not for the MS Transceivers.

Additional MS Transceivers are going to be used by ttcn3-bts-test
for spawning multiple DCCH components in parallel.  We don't want
situations when one component powers off transceivers of the other
DCCH components - they must be independent.

Change-Id: I0cd6bac616273bed0e246ad48edc44fff484c589
---
M src/target/trx_toolkit/fake_trx.py
M src/target/trx_toolkit/transceiver.py
2 files changed, 12 insertions(+), 5 deletions(-)

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



diff --git a/src/target/trx_toolkit/fake_trx.py 
b/src/target/trx_toolkit/fake_trx.py
index 5bfc956..0daecb4 100755
--- a/src/target/trx_toolkit/fake_trx.py
+++ b/src/target/trx_toolkit/fake_trx.py
@@ -409,7 +409,7 @@
                self.append_trx(self.argv.bts_addr, self.argv.bts_base_port, 
name = "BTS")

                # Init TRX instance for BB
-               self.append_trx(self.argv.bb_addr, self.argv.bb_base_port, name 
= "MS")
+               self.append_trx(self.argv.bb_addr, self.argv.bb_base_port, name 
= "MS", child_mgt = False)

                # Additional transceivers (optional)
                if self.argv.trx_list is not None:
diff --git a/src/target/trx_toolkit/transceiver.py 
b/src/target/trx_toolkit/transceiver.py
index 168d3db..385c38d 100644
--- a/src/target/trx_toolkit/transceiver.py
+++ b/src/target/trx_toolkit/transceiver.py
@@ -65,8 +65,9 @@
          (trx_2)            ctrl=5705, data=5706.
          ...

-       As soon as the first transceiver is powered on / off,
-       all child transceivers are also powered on / off.
+       By default, powering on/off a parent transceiver (child_idx=0) will
+       automatically power on/off its child transceivers (if any).  This
+       behavior can be disabled by setting "child_mgt" param to False.

        == Clock distribution (optional)

@@ -126,6 +127,7 @@
                self.bind_addr = bind_addr
                self.base_port = base_port
                self.child_idx = kwargs.get("child_idx", 0)
+               self.child_mgt = kwargs.get("child_mgt", True)

                # Meta info
                self.name = kwargs.get("name", None)
@@ -222,8 +224,13 @@
                return None

        def power_event_handler(self, poweron: bool) -> None:
-               # Update self and child transceivers
-               for trx in [self, *self.child_trx_list.trx_list]:
+               # If self.child_mgt is True, automatically power on/off children
+               if self.child_mgt and self.child_idx == 0:
+                       trx_list = [self, *self.child_trx_list.trx_list]
+               else:
+                       trx_list = [self]
+               # Update self and optionally child transceivers
+               for trx in trx_list:
                        trx.running = poweron
                        if not poweron:
                                trx.disable_fh()



2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted 
one.
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Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Change-Id: I0cd6bac616273bed0e246ad48edc44fff484c589
Gerrit-Change-Number: 28761
Gerrit-PatchSet: 8
Gerrit-Owner: fixeria <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged

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