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

From David Miller <davem@davemloft.net>
Newsgroups linux.kernel
Subject Re: [PATCH net-next V2 0/3] XDP support for tap
Date 2017-08-14 05:00 +0200
Message-ID <uedLH-6Vy-5@gated-at.bofh.it> (permalink)
References <udgBY-315-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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

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