Miquel Raynal bde000ae45 net: mac802154: Follow the count of ongoing transmissions
In order to create a synchronous API for MLME command purposes, we need
to be able to track the end of the ongoing transmissions. Let's
introduce an atomic variable which is incremented when a transmission
starts and decremented when relevant so that we know at any moment
whether there is an ongoing transmission.

The counter gets decremented in the following situations:
- The operation is asynchronous and there was a failure during the
  offloading process.
- The operation is synchronous and the synchronous operation failed.
- The operation finished, either successfully or not.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220519150516.443078-5-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2022-06-10 09:48:40 +02:00
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