netdev - Re: [RFC NET 00/02]: Secondary unicast address support

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Message-ID: <467B404F.2080504@candelatech.com>
Date:	Thu, 21 Jun 2007 20:21:51 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	netdev@...r.kernel.org, shemminger@...ux-foundation.org,
	davem@...emloft.net, jeff@...zik.org
Subject: Re: [RFC NET 00/02]: Secondary unicast address support

Patrick McHardy wrote:
> Eric W. Biederman wrote:
>> For the macvlan hash you just use an upper byte.  Is that just a
>> simple starting place, or do we not need a more complex hash.
>>   
> 
> That gave me an idea, since the default addresses are random
> anyway I'm now using an incrementing counter for the upper byte.

Is there not a (relatively) easy way to hash the entire 6 bytes?

I'd prefer to be able to set the MACs to anything I want, without
worrying about trivially hitting a worst-case hash scenario.

Thanks,
Ben

> 
> 
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-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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