Re: [net-next PATCH] octeontx2-af: Workaround SQM/PSE stalls by disabling sticky

From: patchwork-bot+netdevbpf

Date: Thu Jan 29 2026 - 21:54:09 EST


Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Tue, 27 Jan 2026 18:21:47 +0530 you wrote:
> NIX SQ manager sticky mode is known to cause stalls when multiple SQs
> share an SMQ and transmit concurrently. Additionally, PSE may deadlock
> on transitions between sticky and non-sticky transmissions. There is
> also a credit drop issue observed when certain condition clocks are
> gated.
>
> work around these hardware errata by:
> - Disabling SQM sticky operation:
> - Clear TM6 (bit 15)
> - Clear TM11 (bit 14)
> - Disabling sticky → non-sticky transition path that can deadlock PSE:
> - Clear TM5 (bit 23)
> - Preventing credit drops by keeping the control-flow clock enabled:
> - Set TM9 (bit 21)
>
> [...]

Here is the summary with links:
- [net-next] octeontx2-af: Workaround SQM/PSE stalls by disabling sticky
https://git.kernel.org/netdev/net-next/c/70e9a5760abf

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html