From: Jason Wang <jasowang@redhat.com>
To: Li Zhijian <lizhijian@cn.fujitsu.com>,
Zhang Chen <zhangchen.fnst@cn.fujitsu.com>,
qemu devel <qemu-devel@nongnu.org>
Cc: Gui jianfeng <guijianfeng@cn.fujitsu.com>,
Yang Hongyang <hongyang.yang@easystack.cn>,
"eddie.dong" <eddie.dong@intel.com>,
zhanghailiang <zhang.zhanghailiang@huawei.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [Qemu-devel] [PATCH V2] net/traffic-mirror:Add traffic-mirror
Date: Mon, 1 Feb 2016 10:57:10 +0800 [thread overview]
Message-ID: <56AEC986.2000500@redhat.com> (raw)
In-Reply-To: <56AAC2A2.9020204@cn.fujitsu.com>
On 01/29/2016 09:38 AM, Li Zhijian wrote:
>
>
> On 01/28/2016 01:44 PM, Jason Wang wrote:
>>
>>
>> On 01/27/2016 10:40 AM, Zhang Chen wrote:
>>> From: ZhangChen <zhangchen.fnst@cn.fujitsu.com>
>>>
>>> Traffic-mirror is a netfilter plugin.
>>> It gives qemu the ability to copy and mirror guest's
>>> net packet. we output packet to chardev.
>>>
>>> usage:
>>>
>>> -netdev tap,id=hn0
>>> -chardev socket,id=mirror0,host=ip_primary,port=X,server,nowait
>>> -traffic-mirror,id=m0,netdev=hn0,queue=tx/rx/all,outdev=mirror0
>>>
>>> Signed-off-by: ZhangChen <zhangchen.fnst@cn.fujitsu.com>
>>> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
>>> Reviewed-by: Yang Hongyang <hongyang.yang@easystack.cn>
>>
>> Thanks for the patch. Several questions:
>>
>> - I'm curious about how the patch was tested? Simple setup e.g:
>>
>> -netdev tap,id=hn0 -device virtio-net-pci,netdev=hn0 -chardev
>> socket,id=c0,host=localhost,port=4444,server,nowait -object
>> traffic-mirror,netdev=hn0,outdev=c0,id=f0 -netdev
>> socket,id=s0,connect=127.0.0.1:4444 -device e1000,netdev=s0
>>
>> does not works for me.
> Hi， Jason
>
> I just test the mirror using the command line above, it don't work too.
> I am looking to it, and find that seems because the -net socket
> problem that
> I have ever post a patch try to fix（refer to ↓）
> [Qemu-devel] [PATCH] report a error message if -net socket can not
> connect to server
> https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg00758.html
Will have a look at this.
>
> after applying this patch, the qemu monitor tell me following message:
> (qemu) qemu-system-x86_64: net socket is not connected Connection refused
Maybe two issues. Have you tired to start the mirror on one VM and then
using socket backend to connect it from another VM?
>
>
> Thanks
> Li Zhijian
>
>
>
next prev parent reply other threads:[~2016-02-01 2:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-27 2:40 [Qemu-devel] [PATCH V2] net/traffic-mirror:Add traffic-mirror Zhang Chen
2016-01-27 9:23 ` Hailiang Zhang
2016-01-28 5:44 ` Jason Wang
2016-01-28 7:44 ` Zhang Chen
2016-01-28 8:37 ` Jason Wang
2016-01-28 9:52 ` Zhang Chen
2016-01-28 10:06 ` Jason Wang
2016-01-29 1:38 ` Li Zhijian
2016-02-01 2:57 ` Jason Wang [this message]
2016-02-01 7:50 ` Li Zhijian
2016-02-01 9:11 ` Dr. David Alan Gilbert
2016-02-01 9:42 ` Li Zhijian
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