netdev - Re: [PATCH net-next V2 0/2] XDP transmission for tuntap

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Message-Id: <20180109.110613.1571539954764298228.davem@davemloft.net>
Date:   Tue, 09 Jan 2018 11:06:13 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     jasowang@...hat.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        mst@...hat.com, jbrouer@...hat.com
Subject: Re: [PATCH net-next V2 0/2] XDP transmission for tuntap

From: Jason Wang <jasowang@...hat.com>
Date: Thu,  4 Jan 2018 11:14:26 +0800

> This series tries to implement XDP transmission (ndo_xdp_xmit) for
> tuntap. Pointer ring was used for queuing both XDP buffers and
> sk_buff, this is done by encoding the type into lowest bit of the
> pointer and storin XDP metadata in the headroom of XDP buff.
> 
> Tests gets 3.05 Mpps when doing xdp_redirect_map from ixgbe to VM
> (testpmd + virtio-net in guest). This gives us ~20% improvments
> compared to use skb during redirect.
> 
> Please review.
> 
> Changes from V1:
> 
> - slient warnings
> - fix typos
> - add skb mode number in the commit log

Series applied, thanks Jason.

There was some overlap with recent changes from Jesper, please take
a look.

Thank you.