netdev - Re: [PATCH net-next v3 0/3] virtio_net: add optional flow dissection in virtio_net_hdr_to

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Date:   Wed, 02 Jun 2021 13:10:26 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tannerlove.kernel@...il.com
Cc:     netdev@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, edumazet@...gle.com, willemb@...gle.com,
        ppenkov@...gle.com, kuba@...nel.org, tannerlove@...gle.com
Subject: Re: [PATCH net-next v3 0/3] virtio_net: add optional flow
 dissection in virtio_net_hdr_to_skb

From: Tanner Love <tannerlove.kernel@...il.com>
Date: Tue,  1 Jun 2021 18:18:37 -0400

> From: Tanner Love <tannerlove@...gle.com>
> 
> First patch extends the flow dissector BPF program type to accept
> virtio-net header members.
> 
> Second patch uses this feature to add optional flow dissection in
> virtio_net_hdr_to_skb(). This allows admins to define permitted
> packets more strictly, for example dropping deprecated UDP_UFO
> packets.
> 
> Third patch extends kselftest to cover this feature.

Definitely need some bpf review of these changes.

Alexei, Daniel?

Thanks.