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Message-ID: <ZNYiSEG5/0cJIZ3f@vergenet.net> Date: Fri, 11 Aug 2023 13:58:00 +0200 From: Simon Horman <horms@...nel.org> To: Wei Fang <wei.fang@....com> Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, shenwei.wang@....com, xiaoning.wang@....com, ast@...nel.org, daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com, larysa.zaremba@...el.com, aleksander.lobakin@...el.com, jbrouer@...hat.com, netdev@...r.kernel.org, linux-imx@....com, linux-kernel@...r.kernel.org, bpf@...r.kernel.org Subject: Re: [PATCH V5 net-next 1/2] net: fec: add XDP_TX feature support On Thu, Aug 10, 2023 at 02:45:13PM +0800, Wei Fang wrote: > The XDP_TX feature is not supported before, and all the frames > which are deemed to do XDP_TX action actually do the XDP_DROP > action. So this patch adds the XDP_TX support to FEC driver. > > I tested the performance of XDP_TX in XDP_DRV mode and XDP_SKB > mode respectively on i.MX8MP-EVK platform, and as suggested by > Jesper, I also tested the performance of XDP_REDIRECT on the > same platform. And the test steps and results are as follows. > > XDP_TX test: > Step 1: One board is used as generator and connects to switch,and > the FEC port of DUT also connects to the switch. Both boards with > flow control off. Then the generator runs the > pktgen_sample03_burst_single_flow.sh script to generate and send > burst traffic to DUT. Note that the size of packet was set to 64 > bytes and the procotol of packet was UDP in my test scenario. In > addtion, the SMAC of the packet need to be different from the MAC nit: addtion -> addition checkpatch.pl --codespell is your friend here. ...
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