[ovs-discuss] communication between datapath and vswitchd

[Li Wei]

	Hello,

On 04/01/2016 12:27 PM, kevin parrikar wrote:
> hi i was going through different articles about openvswitch and one
> question came into my mind.
> 
> i read that for packets with no cached flow packets will be send to user
> space to generate flow ,Is it achieved through some internal interfaces
> between Kernal module and user space (similar to loop back) or through any
> other mechanism (may be memory copy?).Please help me understand this better.

Netlink was used to achieve datapath/userspace communication.

> 
> Regards,
> Kevin
> 
> 
> 
> 
> 
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