netdev - Re: Information about napi_struct and net

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Message-ID: <20121028180914.5f74ae81@nehalam.linuxnetplumber.net>
Date:	Sun, 28 Oct 2012 18:09:14 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Javier Domingo <javierdo1@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Information about napi_struct and net_device

On Sat, 27 Oct 2012 18:18:39 +0200
Javier Domingo <javierdo1@...il.com> wrote:

> Hello,
> 
> I am updating a kernel patch from 2.6.23-rc7 to v3.6, using git
> facilities, and I have found that there have been lots of changes in
> networking. Now the drivers are all by vendor, and more important,
> net_device is not used always, as napi_struct took its place.
> 
> I have asked in #kernel but no one answered me, so I subscribed here.
> Is there any place I can read about how is it now designed the use of
> napi_struct and net_device? I have found a presentation[1] about how
> networking was changing etc, and I wondered if there is anything more
> precise about how it is actually implemented.
> 
> I understand a little why napi_struct, but don't really know much
> about the change,
> 
> Hope someone can help me,
> 
> Javier Domingo
> 
> 
> [1]: http://vger.kernel.org/~davem/davem_nyc09.pdf
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First, off put your driver upstream. The kernel developers do not care
about drivers not in the tree. They can wither up and die.

Second, learn to look in the right place.
  http://lwn.net/Articles/244640/

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