Re: [PATCH 0/9][RFC] KVM virtio_net performance

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From: Herbert Xu
Date: Monday, August 11, 2008 - 2:51 am

Rusty Russell <rusty@rustcorp.com.au> wrote:

If you're going to hack the guest kernel, then you might as well
fix the guest DHCP client.  However, we should default checksum
offload to off until we know that the client is capable of handling
it (to handle guests that haven't been fixed).

One easy way of doing this is to hook up the rx checksum offload
option in the guest with the tx offload option in the host.  In
other words, when rx offload is enabled in the guest we enable
tx offload in the host, and disable it vice versa.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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Messages in current thread:
Re: [PATCH 0/9][RFC] KVM virtio_net performance, Rusty Russell, (Mon Aug 11, 12:44 am)
Re: [PATCH 0/9][RFC] KVM virtio_net performance, Herbert Xu, (Mon Aug 11, 2:51 am)
csum offload and af_packet, Rusty Russell, (Mon Aug 11, 6:50 am)
Re: csum offload and af_packet, Herbert Xu, (Mon Aug 11, 5:32 pm)
Re: csum offload and af_packet, David Miller, (Mon Aug 11, 5:51 pm)
Re: csum offload and af_packet, Herbert Xu, (Mon Aug 11, 5:58 pm)
Re: csum offload and af_packet, Rusty Russell, (Mon Aug 11, 7:27 pm)
Re: csum offload and af_packet, Ingo Oeser, (Tue Aug 12, 9:17 am)
Re: csum offload and af_packet, Herbert Xu, (Tue Aug 12, 4:37 pm)
Re: csum offload and af_packet, David Miller, (Tue Aug 12, 5:55 pm)
Re: csum offload and af_packet, Herbert Xu, (Tue Aug 12, 6:09 pm)
Re: csum offload and af_packet, David Miller, (Tue Aug 12, 6:17 pm)
Re: csum offload and af_packet, Herbert Xu, (Tue Aug 12, 6:21 pm)
Re: csum offload and af_packet, David Miller, (Tue Aug 12, 6:25 pm)
Re: csum offload and af_packet, Herbert Xu, (Tue Aug 12, 6:37 pm)
Re: csum offload and af_packet, Patrick McHardy, (Wed Aug 13, 4:26 am)
Re: csum offload and af_packet, David Miller, (Sun Aug 17, 4:08 pm)
Re: csum offload and af_packet, Herbert Xu, (Sun Aug 17, 6:10 pm)
Re: csum offload and af_packet, David Miller, (Sun Aug 17, 6:12 pm)