Re: [ovs-discuss] ovs-dpctl problem

2017-11-13 Thread Aaron Conole 
Ben Pfaff  writes:

> On Mon, Nov 13, 2017 at 11:21:38AM -0500, Aaron Conole wrote:
>> "焦利涛" <309569...@qq.com> writes:
>> 
>> > Hi ：
>> >  I have a problem that when i use the ovs-dpctl to add a flow into 
>> > datapath, it occurs "ovs-dpctl:
>> > parsing flow key (Invalid argument)"
>> >
>> > example:
>> >root@jlt:~# ovs-dpctl add-flow system@myDP 
>> > "in_port(1),eth_type(0x800),ipv4
>> > (src=172.31.110.4,dst=172.31.110.5)" 2
>> > ovs-dpctl: parsing flow key (Invalid argument)
>> 
>> You may be able to use 'dmesg' to see which key is missing.
>
> I believe that this particular error comes from the userspace parser,
> not the kernel.

Seems you're correct.

Even more, using the supplied command:

11:45:39 aconole {master} ~/git/ovs/lib$ sudo ovs-dpctl add-flow myDP 
"in_port(1),eth_type(0x800),ipv4(src=172.31.110.4,dst=172.31.110.5)" 2
11:45:57 aconole {master} ~/git/ovs/lib$ sudo ovs-dpctl dump-flows
in_port(1),eth_type(0x0800),ipv4(src=172.31.110.4,dst=172.31.110.5), 
packets:0, bytes:0, used:never, actions:2

Maybe there's an issue with whatever OvS version is being used (although
I don't know of any such issues).
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Re: [ovs-discuss] ovs-dpctl problem

2017-11-13 Thread Ben Pfaff 
On Mon, Nov 13, 2017 at 11:21:38AM -0500, Aaron Conole wrote:
> "焦利涛" <309569...@qq.com> writes:
> 
> > Hi ：
> >  I have a problem that when i use the ovs-dpctl to add a flow into 
> > datapath, it occurs "ovs-dpctl:
> > parsing flow key (Invalid argument)"
> >
> > example:
> >root@jlt:~# ovs-dpctl add-flow system@myDP 
> > "in_port(1),eth_type(0x800),ipv4
> > (src=172.31.110.4,dst=172.31.110.5)" 2
> > ovs-dpctl: parsing flow key (Invalid argument)
> 
> You may be able to use 'dmesg' to see which key is missing.

I believe that this particular error comes from the userspace parser,
not the kernel.
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Re: [ovs-discuss] ovs-dpctl problem

2017-11-13 Thread Aaron Conole 
"焦利涛" <309569...@qq.com> writes:

> Hi ：
>  I have a problem that when i use the ovs-dpctl to add a flow into 
> datapath, it occurs "ovs-dpctl:
> parsing flow key (Invalid argument)"
>
> example:
>root@jlt:~# ovs-dpctl add-flow system@myDP "in_port(1),eth_type(0x800),ipv4
> (src=172.31.110.4,dst=172.31.110.5)" 2
> ovs-dpctl: parsing flow key (Invalid argument)

You may be able to use 'dmesg' to see which key is missing.

See the talk by Joe Stringer:
https://www.youtube.com/watch?v=8ieoUQI7X88

And the blogpost (shameless plug for myself):
https://developers.redhat.com/blog/2017/04/06/direct-kernel-open-vswitch-flow-programming/

-Aaron
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Re: [ovs-discuss] ovs-dpctl problem

2017-11-12 Thread Ben Pfaff 
On Fri, Nov 10, 2017 at 07:44:23PM +0800, 焦利涛 wrote:
> Hi ：
>  I have a problem that when i use the ovs-dpctl to add a flow into 
> datapath, it occurs "ovs-dpctl: parsing flow key (Invalid argument)"
> 
> example:
> root@jlt:~# ovs-dpctl add-flow system@myDP 
> "in_port(1),eth_type(0x800),ipv4(src=172.31.110.4,dst=172.31.110.5)" 2
> ovs-dpctl: parsing flow key (Invalid argument)

The syntax understood by ovs-dpctl is very restrictive.  I suggest
looking at the output of "ovs-dpctl dump-flows", then imitating it
carefully.
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