netdev - Re: [net-next V3 PATCH 3/5] bpf: cpumap xdp_buff to skb conversion and allocation

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Message-ID: <59D39DD5.1010903@iogearbox.net>
Date:   Tue, 03 Oct 2017 16:25:25 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
CC:     netdev@...r.kernel.org, jakub.kicinski@...ronome.com,
        "Michael S. Tsirkin" <mst@...hat.com>, pavel.odintsov@...il.com,
        Jason Wang <jasowang@...hat.com>, mchan@...adcom.com,
        John Fastabend <john.fastabend@...il.com>,
        peter.waskiewicz.jr@...el.com,
        Daniel Borkmann <borkmann@...earbox.net>,
        Andy Gospodarek <andy@...yhouse.net>
Subject: Re: [net-next V3 PATCH 3/5] bpf: cpumap xdp_buff to skb conversion
 and allocation

On 10/03/2017 08:58 AM, Jesper Dangaard Brouer wrote:
[...]
>> Or you're calling netif_receive_skb() to be able to call
>> generic XDP on that cpu again ?
>
> That should not (currently) be possible. AFAIK we (Daniel) choose to
> not allow Native and Generic XDP to be loaded on the same net_device.
> (With the same ABI argument as here)

Correct, it's either native or generic, but not both.