From: David Miller <davem@davemloft.net>
To: jasowang@redhat.com
Cc: mst@redhat.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, kubakici@wp.pl
Subject: Re: [PATCH net-next V2 0/3] XDP support for tap
Date: Sun, 13 Aug 2017 19:56:49 -0700 (PDT) [thread overview]
Message-ID: <20170813.195649.1320361489777509765.davem@davemloft.net> (raw)
In-Reply-To: <1502451678-17358-1-git-send-email-jasowang@redhat.com>
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.
prev parent reply other threads:[~2017-08-14 2:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 11:41 [PATCH net-next V2 0/3] XDP support for tap Jason Wang
2017-08-11 11:41 ` [PATCH net-next V2 1/3] tap: use build_skb() for small packet Jason Wang
2017-08-16 3:45 ` Eric Dumazet
2017-08-16 3:55 ` Michael S. Tsirkin
2017-08-16 3:57 ` Jason Wang
2017-08-16 3:59 ` Michael S. Tsirkin
2017-08-16 4:07 ` Jason Wang
2017-08-16 9:17 ` Jason Wang
2017-08-16 16:30 ` David Miller
2017-08-16 3:55 ` Jason Wang
2017-08-16 10:24 ` Eric Dumazet
2017-08-16 13:16 ` Jason Wang
2017-08-11 11:41 ` [PATCH net-next V2 2/3] net: export some generic xdp helpers Jason Wang
2017-08-11 11:41 ` [PATCH net-next V2 3/3] tap: XDP support Jason Wang
2017-08-11 23:12 ` Jakub Kicinski
2017-08-12 2:48 ` Jason Wang
2017-08-14 16:01 ` Michael S. Tsirkin
2017-08-15 5:02 ` Jason Wang
2017-08-16 3:45 ` Michael S. Tsirkin
2017-08-14 8:43 ` Daniel Borkmann
2017-08-15 4:55 ` Jason Wang
2017-08-14 2:56 ` David Miller [this message]
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