Yes, your understanding is correct. 

--Justin


> On Dec 26, 2013, at 9:37 AM, kevin parker <kevin.parker...@gmail.com> wrote:
> 
> Hi i am trying to understand this better 
> 
> from 192.168.3.3 
> 
> ping 192.168.3.4 -c 10
> 
> 10 packets transmitted, 10 received, 0% packet loss, time 9003ms
> 
> ovs-dpctl dump-flows
> 
> in_port(3),eth(src=52:b9:12:5f:87:b1,dst=ea:91:10:fc:7a:bf),eth_type(0x0800),ipv4(src=192.168.3.4,dst=192.168.3.3,proto=1,tos=0,ttl=64,frag=no),icmp(type=0,code=0),
>  packets:9, bytes:882, used:0.860s, actions:3
> 
> in_port(5),eth(src=ea:91:10:fc:7a:bf,dst=52:b9:12:5f:87:b1),eth_type(0x0800),ipv4(src=192.168.3.3,dst=192.168.3.4,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0),
>  packets:9, bytes:882, used:0.860s, actions:5
> 
> Why am i not able to see all 10 packets in the flow,flow is showing 9 and no 
> packet got lost. 
> 
> I guess it has something to do with first packet for which there was no 
> active flow.
> 
> My understanding was that first packet will be send to user space which 
> generates flow and send to kernel space and all the subsequent packet will 
> flow through data path with out going through user space,but doesn't above 
> shows that user space generates flow and also handles first packet...can some 
> body please confirm this
>  
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