[ovs-dev] flows in Flow Table?
Justin Pettit
jpettit at nicira.com
Thu Sep 8 07:05:57 UTC 2011
There are multiple layers where you can see packets come in, but handle_upcall() in "ofproto/ofproto-dpif.c" is probably a good place to start (and the "DPIF_UC_MISS" case in particular). You can then go up or down the call stack depending on what you want to see.
--Justin
On Sep 7, 2011, at 11:55 PM, Bibrak Qamar wrote:
> Could you please identify the section of code where ovs receives packet from datapath and tries to check whether it exists in flow table. This might help me in trying to understand how ovs handles flows.
>
> thanks
> Bibrak
>
> On Thu, Sep 8, 2011 at 11:25 AM, Ben Pfaff <blp at nicira.com> wrote:
> On Thu, Sep 08, 2011 at 11:21:25AM +0500, Bibrak Qamar wrote:
> > I am bit new to the OVS and am stuck in the code. Could any one tell me how
> > OVS stores OpenFlow flows, is it a hash table (key, value) pair?
>
> No, it's more complicated than that. See lib/classifier.h for a brief
> description.
>
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