[ovs-dev] Is there a way to get port status directly on kernel module?

Rafael Duarte Vencioneck rafael.vencioneck at gmail.com
Wed Feb 19 20:12:22 UTC 2014


I'm thinking about the possibility of fast forwarding without upcalls. If
the link is down, maybe the module could know someway for what port to
forward.
It's really impossible to do that?


Rafael Duarte Vencioneck


2014-02-19 16:39 GMT-03:00 Ben Pfaff <blp at nicira.com>:

> On Wed, Feb 19, 2014 at 11:34:25AM -0300, Rafael Duarte Vencioneck wrote:
> > Digging a little in ovs kernel module code, I can't find a way to verify
> if
> > a given port is up or down before execute an output. Is there a way to do
> > that?
>
> The kernel is pretty far down in the stack for OVS to be making
> decisions.  What larger problem are you trying to solve?
>
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