netdev - Re: xdp generic default option

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Message-ID: <20200819120746.468990f6@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 19 Aug 2020 12:07:46 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     andriin@...com, bpf@...r.kernel.org, netdev@...r.kernel.org,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        David Miller <davem@...emloft.net>, ast@...nel.org
Subject: Re: xdp generic default option

On Wed, 19 Aug 2020 11:28:11 +0200 Lorenzo Bianconi wrote:
> Hi Andrii,
> 
> working on xdp multi-buff I figured out now xdp generic is the default choice
> if not specified by userspace. In particular after commit 7f0a838254bd
> ("bpf, xdp: Maintain info on attached XDP BPF programs in net_device"), running
> the command below, XDP will run in generic mode even if the underlay driver
> support XDP in native mode:

Make me wonder if bpf/test_offload.py was ever run on those changes :/