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Re: [PATCH net-next V2 0/3] XDP support for tap

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  Re: [PATCH net-next V2 0/3] XDP support for tap David Miller <davem@davemloft.net> - 2017-08-14 05:00 +0200

#1710616 — Re: [PATCH net-next V2 0/3] XDP support for tap

From: Jason Wang <jasowang@redhat.com>
Date: Fri, 11 Aug 2017 19:41:15 +0800

> Hi all:
> 
> This series tries to implement XDP support for tap. Two path were
> implemented:
> 
> - fast path: small & non-gso packet, For performance reason we do it
>   at page level and use build_skb() to create skb if necessary.
> - slow path: big or gso packet, we don't want to lose the capability
>   compared to generic XDP, so we export some generic xdp helpers and
>   do it after skb was created.
> 
> xdp1 shows about 41% improvement, xdp_redirect shows about 60%
> improvement.
> 
> Changes from V1:
> - fix the race between xdp set and free
> - don't hold extra refcount
> - add XDP_REDIRECT support
> 
> Please review.

Series applied, thanks Jason.

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