netdev - Re: [PATCH RFC 2/2] net: dsa: bcm_sf2: implement HW bridging operations

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Date:	Thu, 19 Feb 2015 20:07:44 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	roopa <roopa@...ulusnetworks.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	netdev@...r.kernel.org, davem@...emloft.net,
	vivien.didelot@...oirfairelinux.com,
	jerome.oufella@...oirfairelinux.com, cphealy@...il.com
Subject: Re: [PATCH RFC 2/2] net: dsa: bcm_sf2: implement HW bridging
 operations

On Fri, Feb 20, 2015 at 04:52:37AM +0100, Andrew Lunn wrote:
> > - we keep the SW bridge fdb in sync with the HW fdb, which leads to:
> 
> I don't think this is going to be easy or efficient. At least for the
> 88e6060 there is no interrupt when there is a change to the
> database. So we are going to have to poll. And the only way to figure
> out if anything has changed is to read it all out and compare against
> the last read.
> 
Agreed.

Guenter
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