Messages in this thread | | | Subject | Re: [PATCH RFC] tun: experimental zero copy tx support | From | Shirley Ma <> | Date | Wed, 16 May 2012 08:16:55 -0700 |
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On Mon, 2012-05-14 at 21:39 +0300, Michael S. Tsirkin wrote: > > Hello Mike, > > > > Have you tested this patch? I think the difference between macvtap > and > > tap is tap forwarding the packet to bridge. The zerocopy is disabled > in > > this case. > > > > Shirley > > Testing in progress, but the patchset I pointed to enables > zerocopy with bridge.
Hello Mike,
You meant this patch or another patchset for enabling bridge zerocopy?
I remembered we disabled forward skb zerocopy since the user space program might hold the buffers too long or forever.
In tap/bridge case, when the tx buffers will be released?
Thanks Shirley
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