Re: [PATCH net] octeontx2-pf: reset TL4 topology on HTB offload teardown

[Ratheesh Kannoth]

On 2026-08-21 at 12:58:12, Ratheesh Kannoth (rkannoth@xxxxxxxxxxx) wrote:
> HTB offload programs NIX_AF_TL4X_TOPOLOGY with RR priority and anchor
> settings that the AF retains after scheduler nodes are freed. When mqprio
> bandwidth offload later parents MDQs under TL4[0], stale HTB topology can
> starve transmit queues. Restore the default TL4 topology for every active
> TL4 node when TC_HTB_DESTROY tears down the HTB hierarchy.
>
> Fixes: 5e6808b4c68d ("octeontx2-pf: Add support for HTB offload")
> Signed-off-by: Ratheesh Kannoth <rkannoth@xxxxxxxxxxx>

Will address sashiko comments in v2

pw-bot: changes-requested