[ovs-discuss] Compile ovs for Andriod

[Jesse Gross]

On Thu, Feb 3, 2011 at 12:33 PM, Ben Pfaff <blp at nicira.com> wrote:
> On Wed, Feb 02, 2011 at 09:53:49PM -0800, Yongqiang Liu wrote:
>> but when i added 3G interface, which appears as a ppp0 interface, there is
>> an error:
>> # ./ovs-dpctl add-if dp0 ppp0
>> Feb 02 21:41:03|00001|dpif|WARN|system at dp0: failed to add ppp0 as port:
>> Invalid argument
>> ovs-dpctl: adding ppp0 to dp0 failed (Invalid argument)
>>
>> the following is the interface information of ppp0:
>> # ifconfig ppp0
>> ppp0: ip 10.231.190.28 mask 255.255.255.255 flags [up point-to-point running
>> multicast
>>
>> Does anyone ever adds point-to-point interface to ovs on PC?
>
> Currently OVS only allows Ethernet interfaces (ARPHRD_ETHER) to be
> added.  A PPP interface presumably has PPP encapsulation (ARPHRD_PPP).
> I don't think that PPP encapsulates Ethernet frames (doesn't it
> typically encapsulate IP?).  Since the Open vSwitch datapath only
> supports Ethernet, I don't think that it will work.
>
> (There are lots of assumptions above; I haven't checked my facts.  I
> hope that someone will correct me if I am wrong.)

Yes, all of that is right.