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Date:   Tue, 8 Dec 2020 19:11:45 +0800
From:   Hangbin Liu <>
To:     Jesper Dangaard Brouer <>
        Daniel Borkmann <>,
        John Fastabend <>,
        Yonghong Song <>,
        Toke Høiland-Jørgensen <>
Subject: Re: [PATCHv3 bpf-next] samples/bpf: add xdp program on egress for

On Tue, Dec 08, 2020 at 11:39:14AM +0100, Jesper Dangaard Brouer wrote:
> > +	/* If -X supplied, load 2nd xdp prog on egress.
> > +	 * If not, just load dummy prog on egress.
> > +	 */
> The dummy prog need to be loaded, regardless of 2nd xdp prog on egress.

Thanks for this remind, Now I know why the pkts are dropped with I do perf
test on physical NICs.


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