netdev - Re: Deliver skbs to intermediate interfaces, when using cascaded rx-handlers

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Message-ID: <20140221144827.GG2870@minipsycho.orion>
Date:	Fri, 21 Feb 2014 15:48:27 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Tobias Waldekranz <tobias@...dekranz.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Deliver skbs to intermediate interfaces, when using cascaded
 rx-handlers

Fri, Feb 21, 2014 at 03:31:14PM CET, tobias@...dekranz.com wrote:
>On Fri, Feb 21, 2014 at 02:05:53PM +0100, Jiri Pirko wrote:
>> Fri, Feb 21, 2014 at 01:02:44PM CET, tobias@...dekranz.com wrote:
>> >On Fri, Feb 21, 2014 at 12:37:53PM +0100, Jiri Pirko wrote:
>> >> Fri, Feb 21, 2014 at 12:12:57PM CET, tobias@...dekranz.com wrote:
>> >> >> What "switch driver" are you reffering to?
>> >> >> 
>> >> >
>> >> >The driver that is in charge of multiplexing packets from the switch
>> >> >chip out to the port interfaces. It registers an rx-handler on eth0
>> >> >and forwards packets to port[1-4] by reading a custom tag (similar to
>> >> >802.1Q) inserted by the switch.
>> >> 
>> >> Allright, but what's the name? I would like to find it and see the code.
>> >
>> >There's not really a name :), but I have made the source available on github:
>> >
>> >https://github.com/wkz/switchcore
>> 
>> Are you aware of existing DSA infrastructure?
>> 
>
>Yes I am, we have our reasons for using our own driver. Most of it
>having to do with dynamic configuration, multiple hardware channel
>support and a variety of exotic hardware setups.

Would not it be better to make DSA better in order to achieve your goal?

>
>Do you have any input on the original question?

I'm not really sure how to handle this. I fail to clearly understand the
topology you are describing...

>
>> >
>> >The relevant parts for this discussion should be in sc_main.c.
>> >
>> >> 
>> >> >
>> >> >-- 
>> >> >Thanks
>> >> > - wkz
>> >
>> >-- 
>> >Thanks
>> > - wkz
>
>-- 
>Thanks
> - wkz
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