Xen devel - Oct 2013 - [PATCH net-next v4 0/5] xen-netback: IPv6 offload support

This patch series adds support for checksum and large packet offloads into
xen-netback.
Testing has mainly been done using the Microsoft network hardware
certification suite running in Server 2008R2 VMs with Citrix PV frontends.

v2:
- Fixed Wei''s email address in Cc lines

v3:
- Responded to Wei''s comments:
 - netif.h now updated with comments and a definition of
   XEN_NETIF_GSO_TYPE_NONE.
 - limited number of pullups
- Responded to Annie''s comments:
 - New GSO_BIT macro

v4:
- Responded to more of Wei''s comments
- Remove parsing of IPv6 fragment header and added warning

On Fri, 2013-10-11 at 16:06 +0100, Paul Durrant wrote:
> This patch series adds support for checksum and large packet offloads into
> xen-netback.
> Testing has mainly been done using the Microsoft network hardware
> certification suite running in Server 2008R2 VMs with Citrix PV frontends.
Are there any Linux netfront patches in existence/the pipeline to take
advantage of this?
> 
> v2:
> - Fixed Wei''s email address in Cc lines
> 
> v3:
> - Responded to Wei''s comments:
>  - netif.h now updated with comments and a definition of
>    XEN_NETIF_GSO_TYPE_NONE.
>  - limited number of pullups
> - Responded to Annie''s comments:
>  - New GSO_BIT macro
> 
> v4:
> - Responded to more of Wei''s comments
> - Remove parsing of IPv6 fragment header and added warning
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel

> -----Original Message-----
> From: Ian Campbell
> Sent: 16 October 2013 17:20
> To: Paul Durrant
> Cc: xen-devel@lists.xen.org; netdev@vger.kernel.org
> Subject: Re: [Xen-devel] [PATCH net-next v4 0/5] xen-netback: IPv6 offload
> support
> 
> On Fri, 2013-10-11 at 16:06 +0100, Paul Durrant wrote:
> > This patch series adds support for checksum and large packet offloads
into
> > xen-netback.
> > Testing has mainly been done using the Microsoft network hardware
> > certification suite running in Server 2008R2 VMs with Citrix PV
frontends.
> 
> Are there any Linux netfront patches in existence/the pipeline to take
> advantage of this?
> 
I was waiting for the backend patches to be accepted first ;-)

  Paul
> >
> > v2:
> > - Fixed Wei''s email address in Cc lines
> >
> > v3:
> > - Responded to Wei''s comments:
> >  - netif.h now updated with comments and a definition of
> >    XEN_NETIF_GSO_TYPE_NONE.
> >  - limited number of pullups
> > - Responded to Annie''s comments:
> >  - New GSO_BIT macro
> >
> > v4:
> > - Responded to more of Wei''s comments
> > - Remove parsing of IPv6 fragment header and added warning
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xen.org
> > http://lists.xen.org/xen-devel
>

On Wed, 2013-10-16 at 17:53 +0100, Paul Durrant wrote:
> > -----Original Message-----
> > From: Ian Campbell
> > Sent: 16 October 2013 17:20
> > To: Paul Durrant
> > Cc: xen-devel@lists.xen.org; netdev@vger.kernel.org
> > Subject: Re: [Xen-devel] [PATCH net-next v4 0/5] xen-netback: IPv6
offload
> > support
> > 
> > On Fri, 2013-10-11 at 16:06 +0100, Paul Durrant wrote:
> > > This patch series adds support for checksum and large packet
offloads into
> > > xen-netback.
> > > Testing has mainly been done using the Microsoft network hardware
> > > certification suite running in Server 2008R2 VMs with Citrix PV
frontends.
> > 
> > Are there any Linux netfront patches in existence/the pipeline to take
> > advantage of this?
> > 
> 
> I was waiting for the backend patches to be accepted first ;-)
I think it would be useful to get et least an RFC so others can try it
etc.

Ian.

> -----Original Message-----
> From: Ian Campbell
> Sent: 16 October 2013 18:01
> To: Paul Durrant
> Cc: xen-devel@lists.xen.org; netdev@vger.kernel.org
> Subject: Re: [Xen-devel] [PATCH net-next v4 0/5] xen-netback: IPv6 offload
> support
> 
> On Wed, 2013-10-16 at 17:53 +0100, Paul Durrant wrote:
> > > -----Original Message-----
> > > From: Ian Campbell
> > > Sent: 16 October 2013 17:20
> > > To: Paul Durrant
> > > Cc: xen-devel@lists.xen.org; netdev@vger.kernel.org
> > > Subject: Re: [Xen-devel] [PATCH net-next v4 0/5] xen-netback:
IPv6
> offload
> > > support
> > >
> > > On Fri, 2013-10-11 at 16:06 +0100, Paul Durrant wrote:
> > > > This patch series adds support for checksum and large packet
offloads
> into
> > > > xen-netback.
> > > > Testing has mainly been done using the Microsoft network
hardware
> > > > certification suite running in Server 2008R2 VMs with Citrix
PV
> frontends.
> > >
> > > Are there any Linux netfront patches in existence/the pipeline to
take
> > > advantage of this?
> > >
> >
> > I was waiting for the backend patches to be accepted first ;-)
> 
> I think it would be useful to get et least an RFC so others can try it
> etc.
> 
Well, everyone can build and use the Windows frontend :-)
(https://github.com/xenserver/win-xenvif/tree/upstream)

I''ll try to hack up something in xen-netfront soon.

  Paul