[PATCH net 1/1] net: stmmac: Fix overall budget calculation for rxtx_napi
patchwork-bot+netdevbpf at kernel.org
patchwork-bot+netdevbpf at kernel.org
Sun Sep 5 05:10:05 PDT 2021
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Fri, 3 Sep 2021 10:00:26 +0800 you wrote:
> tx_done is not used for napi_complete_done(). Thus, NAPI busy polling
> mechanism by gro_flush_timeout and napi_defer_hard_irqs will not able
> be triggered after a packet is transmitted when there is no receive
> packet.
>
> Fix this by taking the maximum value between tx_done and rx_done as
> overall budget completed by the rxtx NAPI poll to ensure XDP Tx ZC
> operation is continuously polling for next Tx frame. This gives
> benefit of lower packet submission processing latency and jitter
> under XDP Tx ZC mode.
>
> [...]
Here is the summary with links:
- [net,1/1] net: stmmac: Fix overall budget calculation for rxtx_napi
https://git.kernel.org/netdev/net/c/81d0885d68ec
You are awesome, thank you!
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