lkml.org 
[lkml]   [2020]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC 0/4] net: l2switch: Provide support for L2 switch on i.MX28 SoC
From
Date


On 11/25/2020 4:00 PM, Andrew Lunn wrote:
> On Thu, Nov 26, 2020 at 12:24:55AM +0100, Lukasz Majewski wrote:
>> This is the first attempt to add support for L2 switch available on some NXP
>> devices - i.e. iMX287 or VF610. This patch set uses common FEC and DSA code.
>
> Interesting. I need to take another look at the Vybrid manual. Last
> time i looked, i was more thinking of a pure switchdev driver, not a
> DSA driver. So i'm not sure this is the correct architecture. But has
> been a while since i looked at the datasheet.

Agreed the block diagram shows one DMA for each "switch port" which
definitively fits more within the switchdev model than the DSA model
that re-purposes an existing Ethernet MAC controller as-is and bolts on
an integrated or external switch IC.
--
Florian

\
 
 \ /
  Last update: 2020-11-26 02:30    [W:0.181 / U:1.712 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site