Re: [Xen-devel] dynamically set bandwidth limits of a virtual interface

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Dec 27, 2012 at 12:33:19PM +0000, Wei Liu wrote:
> On Thu, 2012-12-27 at 08:46 +0000, Rohit Damkondwar wrote:
> > Hi all. I want to set bandwidth limits to a virtual interface
> > dynamically(without restarting virtual machine). I have been browsing
> > xen source code 4.1.3. I looked into libxen folder(xen_vif.c) and
> > hotplug(linux) folder. Earlier in xen 3.0 , xenvif struture
> > (driver/net/xen-netback/
> > interface.c + common.h) and tx_add_credit function could be used to
> > modify rate limits. I want to change bandwidth limits dynamically of a
> > virtual interface in xen 4.1.3. Where should I look for in xen 4.1.3? 
> > 
> > Please help.
> > 
> 
> Xen vif has a parameter called 'rate', I don't know whether it suits
> you.
> 
> Also, you can have a look at external tool like tc(8). My vague thought
> is that Vif is just another interface in Dom0, tc(8) should be able to
> traffic-shape Vif.
> 

Yes, You can use the generic Linux QoS tools in dom0 to shape the vifs. 


> Last but not least, patches are always welcomed. ;-)
> 

-- Pasi


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel