netdev - Re: [patch net-next v2 00/13] rocker: add support for multiple worlds

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Date:	Sat, 10 Oct 2015 09:35:06 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Scott Feldman <sfeldma@...il.com>
Cc:	Netdev <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Ido Schimmel <idosch@...lanox.com>,
	Elad Raz <eladr@...lanox.com>, Thomas Graf <tgraf@...g.ch>,
	Alexei Starovoitov <ast@...mgrid.com>,
	David Laight <David.Laight@...lab.com>,
	john fastabend <john.fastabend@...il.com>
Subject: Re: [patch net-next v2 00/13] rocker: add support for multiple worlds

Sat, Oct 10, 2015 at 09:21:15AM CEST, jiri@...nulli.us wrote:

<snip>

>>
>>I had just re-run the tests against net-next before submitting the
>>ageing_time patchset and everything passes.
>>
>>Are you using a namespace or a VM for host1?  Either one should work.
>>
>>This would be a bad test, as the kernel will loop the traffic and the
>>offload device will not see it:
>>
>>DUT:sw1p1 (11.0.0.1/24) <-------->DUT:sw1p2(11.0.0.2/24)
>
>For this test, I'm using 2 namespaces on baremetal.
>
>I just discovered very odd behaviour.
>I'm using 2 scripts so setup basic bridging scenario:
>On host, I use "setupns.sh": http://pastebin.com/f9igGxgV
>On vm, I use "setbr.sh" http://pastebin.com/Ycyyj8PK
>
>Now when I turn on the vm and do:
>vm# ./setbr.sh
>host# ./setupns.sh
>It works fine.
>
>But when I execute these if reverse order:
>host# ./setupns.sh
>vm# ./setbr.sh
>It does not work.

Hmm, I compiled git master qemu and with that, it works fine. I guess
that was some but in my previous qemu version. Sorry about the fuzz :/
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