netdev - RE: [EXT] Re: [PATCH 1/1] net: fec: add initial XDP support

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Date:   Tue, 4 Oct 2022 13:34:10 +0000
From:   Shenwei Wang <shenwei.wang@....com>
To:     Jesper Dangaard Brouer <jbrouer@...hat.com>,
        Andrew Lunn <andrew@...n.ch>
CC:     "brouer@...hat.com" <brouer@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "imx@...ts.linux.dev" <imx@...ts.linux.dev>,
        Magnus Karlsson <magnus.karlsson@...il.com>,
        Björn Töpel <bjorn@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>
Subject: RE: [EXT] Re: [PATCH 1/1] net: fec: add initial XDP support



> -----Original Message-----
> From: Shenwei Wang
> Sent: Tuesday, October 4, 2022 8:13 AM
> To: Jesper Dangaard Brouer <jbrouer@...hat.com>; Andrew Lunn
...
> I haven't tested xdp_rxq_info yet, and will have a try sometime later today.
> However, for the XDP_DROP test, I did try xdp2 test case, and the testing result
> looks reasonable. The performance of Native mode is much higher than skb-
> mode.
> 
> # xdp2 eth0
>  proto 0:     475362 pkt/s
> 
> # xdp2 -S eth0             (page_pool_release_page solution)
>  proto 17:     71999 pkt/s
> 
> # xdp2 -S eth0             (skb_mark_for_recycle solution)
>  proto 17:     72228 pkt/s
> 

Correction for xdp2 -S eth0	(skb_mark_for_recycle solution)
proto 0:          0 pkt/s
proto 17:     122473 pkt/s

Thanks,
Shenwei