Re: [PATCH net] net: bcmgenet: unshare the skb before writing the control block
From: patchwork-bot+netdevbpf
Date: Thu Oct 15 2026 - 06:12:12 EST
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
On Fri, 09 Oct 2026 12:10:41 +0200 you wrote:
> bcmgenet stores first_cb, last_cb and bytes_sent in the skb control
> block and reads them back on completion to free the skb and credit BQL.
> ether_setup() leaves IFF_TX_SKB_SHARING set, so the stack can resubmit
> a shared skb that is still in the ring. The next transmit overwrites
> last_cb, so the earlier slots complete without crediting their bytes
> and BQL stalls the queue until the watchdog resets it.
>
> [...]
Here is the summary with links:
- [net] net: bcmgenet: unshare the skb before writing the control block
https://git.kernel.org/netdev/net/c/89771ce4f8f6
You are awesome, thank you!
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