Re: [PATCH net] net: lan966x: release the in-flight slot of a stale TX skb

From: patchwork-bot+netdevbpf

Date: Tue Oct 27 2026 - 18:30:33 EST


Hello:

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

On Mon, 26 Oct 2026 14:46:54 +0100 you wrote:
> lan966x_ptp_txtstamp_request() counts every two step TX skb waiting for
> its timestamp in lan966x->ptp_skbs, and refuses new ones once
> LAN966X_MAX_PTP_ID are in flight. lan966x_ptp_txtstamp_old_release()
> frees the skbs that have waited longer than LAN966X_PTP_TIMEOUT.
>
> Before this patch, old_release() does not decrement ptp_skbs, so every
> skb whose timestamp never arrives, for example because the switch
> discarded the frame, keeps its slot forever. Once LAN966X_MAX_PTP_ID
> slots are lost, two step frames fail to transmit on every port of the
> switch.
>
> [...]

Here is the summary with links:
- [net] net: lan966x: release the in-flight slot of a stale TX skb
https://git.kernel.org/netdev/net/c/074caa30a627

You are awesome, thank you!
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