fixeria has submitted this change. ( 
https://gerrit.osmocom.org/c/osmocom-bb/+/28794 )

Change subject: trxcon: trx_if_close(): power the transceiver off if needed
......................................................................

trxcon: trx_if_close(): power the transceiver off if needed

Currently it may happen that the transceiver (e.g. fake_trx.py) remains
powered on when we loose a L1CTL client connection.  This is going to
be fixed in change [1] re-implementing the trxcon_fsm.  For now let's
ensure that the transceiver is properly powered off by sending
"CMD POWEROFF" from trx_if_close().

Change-Id: I9c5178907304b36ec3de0ee31b7f7a9ed2e31c16
Related: [1] Ifaf63ead9dd180181358e771367b2a686ba159ca
---
M src/host/trxcon/src/trx_if.c
1 file changed, 6 insertions(+), 0 deletions(-)

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



diff --git a/src/host/trxcon/src/trx_if.c b/src/host/trxcon/src/trx_if.c
index a9a6c96..92b9d12 100644
--- a/src/host/trxcon/src/trx_if.c
+++ b/src/host/trxcon/src/trx_if.c
@@ -768,6 +768,8 @@

 void trx_if_close(struct trx_instance *trx)
 {
+       static const char cmd_poweroff[] = "CMD POWEROFF";
+
        /* May be unallocated due to init error */
        if (!trx)
                return;
@@ -780,6 +782,10 @@
        /* Flush CTRL message list */
        trx_if_flush_ctrl(trx);

+       /* Power off if the transceiver is up */
+       if (trx->powered_up && trx->trx_ofd_ctrl.fd >= 0)
+               send(trx->trx_ofd_ctrl.fd, &cmd_poweroff[0], 
sizeof(cmd_poweroff), 0);
+
        /* Close sockets */
        trx_udp_close(&trx->trx_ofd_ctrl);
        trx_udp_close(&trx->trx_ofd_data);

--
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Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Change-Id: I9c5178907304b36ec3de0ee31b7f7a9ed2e31c16
Gerrit-Change-Number: 28794
Gerrit-PatchSet: 7
Gerrit-Owner: fixeria <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: osmith <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged

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