Re: [PATCH net 1/1] net: stmmac: Fix overall budget calculation for rxtx_napi
Date: Sun Sep 05 2021 - 08:10:11 EST
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
> 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
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