[PATCH net] net: sparx5/lan969x: release the in-flight slot of a stale TX skb
patchwork-bot+netdevbpf at kernel.org
patchwork-bot+netdevbpf at kernel.org
Mon Nov 2 06:40:12 PST 2026
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni at redhat.com>:
On Thu, 29 Oct 2026 12:48:10 +0100 you wrote:
> sparx5_ptp_txtstamp_request() counts every two step TX skb waiting for
> its timestamp in sparx5->ptp_skbs, and refuses new ones once
> SPARX5_MAX_PTP_ID are in flight. sparx5_ptp_txtstamp_old_release()
> frees the skbs that have waited longer than SPARX5_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 SPARX5_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: sparx5/lan969x: release the in-flight slot of a stale TX skb
https://git.kernel.org/netdev/net/c/873363ac591a
You are awesome, thank you!
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