Re: [Xen-devel] [help] What's the relationship between tap*.* and vif *.* ?

[éç <aware.why@xxxxxxxxx>]

On Mon, Aug 20, 2012 at 5:16 PM, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote:

On 20.08.2012 10:02, éç wrote:

Hi all,

  You can see a list of interfaces containing such as tap and vif
using `ifconfig`, and also using `brctl show`.
  My virtual machine is of HVM mode, in this case, what's the
relationship between the pair of interfaces, when
and where were they created?
  Looking forward to your reply.

Thanks

You are probably using HVM mode. TAP network devices are used by the full emulation devices (e.g. e1000). vif* devices are used if you install the GPLPV drivers.

HTH

Cheers

I wannar disable the vif*.*, that is to say, not to create vif devices when HVM mode;Â

is there any exsiting resolution?

in src/tools/libxl/libxl_create.c, I found several lines:

(it seems to create vif devices)

    Âfor (i = 0; i < d_config->num_vifs; i++) {                                                  Â                                ÂÂ

      Âd_config->vifs[i].domid = domid;                                                   Â                                 ÂÂ

       ret = libxl_device_nic_add(ctx, domid, &d_config->vifs[i])

Is there something wrong with skipping that?

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