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Date:   Tue, 10 Mar 2020 10:03:23 +0100
From:   Jesper Dangaard Brouer <>
To:     David Ahern <>
Cc:     David Ahern <>,,,,,,,,,,,,,,,,,
Subject: Re: [PATCH RFC v4 bpf-next 09/11] tun: Support xdp in the Tx path
 for xdp_frames

On Mon, 9 Mar 2020 21:44:22 -0600
David Ahern <> wrote:

> On 3/9/20 9:06 PM, David Ahern wrote:
> > Why do I need to make any adjustments beyond what is done by
> > bpf_xdp_adjust_head and bpf_xdp_adjust_tail?  
> never mind. forgot the switch from xdp_frame to xdp_buff there so need
> to go back to frame.

Yes exactly, glad you realized this yourself ;-)

Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat

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