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
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