netdev - Re: [PATCH v3 net-next RFC] Generic XDP

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Message-ID: <7e5dabd3-5066-de0b-ee5c-eafe77abfb1b@cumulusnetworks.com>
Date:   Wed, 12 Apr 2017 20:16:29 -0600
From:   David Ahern <dsa@...ulusnetworks.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, xdp-newbies@...r.kernel.org
Subject: Re: [PATCH v3 net-next RFC] Generic XDP

On 4/12/17 8:08 PM, David Miller wrote:
> From: David Ahern <dsa@...ulusnetworks.com>
> Date: Wed, 12 Apr 2017 13:54:20 -0600
> 
>> packet passed to xdp seems to be messed up
> Ok, the problem is that skb->mac_len isn't set properly at this point.
> That doesn't happen until __netif_receive_skb_core().
> 
> I'm also not setting xdp.data_hard_start properly.
> 
> It should work better with this small diff:

it does.