Re: How to send data directly out network interface from driver?

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On Fri, Jan 30, 2009 at 10:23 PM, Greg KH <greg@xxxxxxxxx> wrote:
> On Fri, Jan 30, 2009 at 02:55:01PM -0500, Bob Beers wrote:
>> I have a voip device where I currently send my data up/down between driver
>>  and user space using an interrupt driven read/write scheme. I send/recv
>>  the data using standard UDP packets in userspace. I'd like to try to decrease
>>  my end-to-end latency by letting the driver send/recv most of this
>> data directly
>>  to the network.
>>
>> Are there drivers which already do this kind of thing that I might learn from?
>
> You can access the socket interface directly within the kernel, look for
> that, and any callers of this code, there should be a few users for you
> to get an idea of how to use it.

Thanks Greg, I found this[1] also.  Is it still a good example?

[1] <http://kernelnewbies.org/Simple_UDP_Server>

-Bob

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