netdev - RE: [PATCH net-next-2.6 00/13] net-caif: introducing CAIF protocol stack

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Message-ID: <61D8D34BB13CFE408D154529C120E07903232096@eseldmw101.eemea.ericsson.se>
Date:	Fri, 22 Jan 2010 11:11:07 +0100
From:	Sjur Brændeland <sjur.brandeland@...ricsson.com>
To:	"Marcel Holtmann" <marcel@...tmann.org>
Cc:	<netdev@...r.kernel.org>, <davem@...emloft.net>,
	<stefano.babic@...ic.homelinux.org>, <randy.dunlap@...cle.com>
Subject: RE: [PATCH net-next-2.6 00/13] net-caif: introducing CAIF protocol stack

Marcel Holtmann wrote:
> Hi Sjur,
> 
>> This patch-set introduces the CAIF protocol Stack.
>> 
>> The "Communication CPU to Application CPU Interface" (CAIF) is a
>> packet based connection-oriented MUX protocol developed by
>> ST-Ericsson for use with its modems. 
>> 
>> * CAIF provides a socket interface which can be used to open virtual
>>   AT channels, create and configure GPRS Data connections.
>> 
>> * A CAIF Network device is also provided for GPRS access.
>>   This interface can be managed with socket IOCTLs or RTNL.
>> 
>> * A kernel interface is provided allowing Kernel modules to use CAIF.
>> 
>> * A serial link layer layer implemented as a line discipline is
>>   currently implemented. Other link interfaces may be contributed at
>> a later stage. 
> 
> any details on potential USB, SPI or SDIO drivers?

We have a SPI driver that we could contribute, 
but I think it might need some more work before submitting it.
Also I think it would be good to have this patch set accepted before we
start on SPI.

BR/Sjur

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