netdev - Re: A pure virtual nic

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Date:	Wed, 4 Jan 2012 10:07:08 +0800
From:	"Li, Zhen-Hua" <lizhenhua.dev@...il.com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	Michał Mirosław <mirqus@...il.com>,
	Linux NetDev <netdev@...r.kernel.org>
Subject: Re: A pure virtual nic

When a program sends out a packet, at start_xmit function. it will
unpack it and packet again with HTTP proxy headers, then give it to
the actual physical ethernet adapter.
When it receives a packet, unpack it and remove the http proxy
headers, and then put it back to the queue in kernel.


2011/12/30 Ben Greear <greearb@...delatech.com>:
> On 12/29/2011 05:51 PM, Li, Zhen-Hua wrote:
>>
>> I plan to add some protocols to it. For example, HTTP Proxy packet
>> analysis. So user-space programs can use an NIC in common way in a
>> proxy needed environment.
>
>
> When a program transmits a packet on your virtual NIC, where does the
> packet go?  When it receives a packet, where did the packet come from?
>
> Thanks,
> Ben
>
>>
>>
>>
>> 2011/12/29 Michał Mirosław<mirqus@...il.com>:
>>>
>>> 2011/12/29 Zhen-Hua Li<lizhenhua.dev@...il.com>:
>>>>
>>>> I have opened a project in SourceForge, it provides a pure virtual
>>>> ethernet adapter.  If you are interested to join it, please mail me.
>>>
>>>
>>> Is veth or tap (both in vanilla kernel) not enough for you? What are
>>> the differences?
>>>
>>> Best Regards,
>>> Michał Mirosław
>>
>> --
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>
>
>
> --
> Ben Greear <greearb@...delatech.com>
> Candela Technologies Inc  http://www.candelatech.com
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