From: Vinicius Costa Gomes <[email protected]>
Date: Mon, 14 Oct 2019 13:38:22 -0700
> When a application sends many packets with the same txtime, they may
> be transmitted out of order (different from the order in which they
> were enqueued).
>
> This happens because when inserting elements into the tree, when the
> txtime of two packets are the same, the new packet is inserted at the
> left side of the tree, causing the reordering. The only effect of this
> change should be that packets with the same txtime will be transmitted
> in the order they are enqueued.
>
> The application in question (the AVTP GStreamer plugin, still in
> development) is sending video traffic, in which each video frame have
> a single presentation time, the problem is that when packetizing,
> multiple packets end up with the same txtime.
>
> The receiving side was rejecting packets because they were being
> received out of order.
>
> Fixes: 25db26a91364 ("net/sched: Introduce the ETF Qdisc")
> Reported-by: Ederson de Souza <[email protected]>
> Signed-off-by: Vinicius Costa Gomes <[email protected]>
Applied and queued up for -stable, thank you.
