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Date:   Sat, 18 Jul 2020 11:58:09 -0400
From:   Willem de Bruijn <>
To:     Sriram Krishnan <>
Cc:     Andrew Morton <>,,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Network Development <>,
        linux-kernel <>
Subject: Re: [PATCH v2] AF_PACKET doesnt strip VLAN information

On Sat, Jul 18, 2020 at 5:25 AM Sriram Krishnan <> wrote:
> When an application sends with AF_PACKET and places a vlan header on
> the raw packet; then the AF_PACKET needs to move the tag into the skb
> so that it gets processed normally through the rest of the transmit
> path.
> This is particularly a problem on Hyper-V where the host only allows
> vlan in the offload info.

Shouldn't this be resolved in that driver, then?

Packet sockets are not the only way to introduce packets in the
kernel. Tuntap would be another.

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