svn commit: r209611 - head/sys/dev/e1000

Julian Elischer julian at
Wed Jun 30 21:50:03 UTC 2010

On 6/30/10 10:26 AM, Jack F Vogel wrote:
> Author: jfv
> Date: Wed Jun 30 17:26:47 2010
> New Revision: 209611
> URL:
> Log:
>    SR-IOV support added to igb
>    What this provides is support for the 'virtual function'
>    interface that a FreeBSD VM may be assigned from a host
>    like KVM on Linux, or newer versions of Xen with such
>    support.
>    When the guest is set up with the capability, a special
>    limited function 82576 PCI device is present in its virtual
>    PCI space, so with this driver installed in the guest that
>    device will be detected and function nearly like the bare
>    metal, as it were.
>    The interface is only allowed a single queue in this configuration
>    however initial performance tests have looked very good.
>    Enjoy!!

do these extra devices turn up in a standard ifconfig output?
in other words, can we assign them to jails using vimage?

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