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From: Ben Greear <greearb@candelatech.com>
To: Patrick McHardy <kaber@trash.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	netdev@vger.kernel.org, shemminger@linux-foundation.org,
	davem@davemloft.net, jeff@garzik.org
Subject: Re: [RFC NET 00/02]: Secondary unicast address support
Date: Thu, 21 Jun 2007 20:21:51 -0700	[thread overview]
Message-ID: <467B404F.2080504@candelatech.com> (raw)
In-Reply-To: <467B2C39.1040208@trash.net>

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@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


  reply	other threads:[~2007-06-22  3:22 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-20 18:00 [RFC NET 00/02]: Secondary unicast address support Patrick McHardy
2007-06-20 18:00 ` [RFC NET 01/02]: " Patrick McHardy
2007-06-20 18:00 ` [RFC E1000 02/02]: " Patrick McHardy
2007-06-21 19:08 ` [RFC NET 00/02]: " Eric W. Biederman
2007-06-21 19:13   ` David Miller
2007-06-21 21:11     ` Caitlin Bestler
2007-06-21 19:13   ` Patrick McHardy
2007-06-21 20:31     ` Eric W. Biederman
2007-06-22  0:08       ` Patrick McHardy
2007-06-22  3:30         ` Ben Greear
2007-06-22  4:30           ` Eric W. Biederman
2007-06-22 12:08             ` Ben Greear
2007-06-22  1:56       ` Patrick McHardy
2007-06-22  3:21         ` Ben Greear [this message]
2007-06-22 11:36           ` Patrick McHardy

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