netdev - Re: [PATCH iproute2] Re: HTB accuracy for high speed

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Message-ID: <4A264B12.5030303@trash.net>
Date:	Wed, 03 Jun 2009 12:06:10 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jarek Poplawski <jarkao2@...il.com>
CC:	Antonio Almeida <vexwek@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org, davem@...emloft.net, devik@....cz,
	Eric Dumazet <dada1@...mosbay.com>,
	Vladimir Ivashchenko <hazard@...ncoudi.com>
Subject: Re: [PATCH iproute2] Re: HTB accuracy for high speed

Patrick McHardy wrote:
>> PSCHED_SHIFT should be 4, right?
> 
>> -#define    SM_SHIFT    20
>> -#define    ISM_SHIFT    18
>> +#define    PSCHED_SHIFT    6    /* TODO: move to pkt_sched.h */
>> +#define    SM_SHIFT    (30 - PSCHED_SHIFT)
>> +#define    ISM_SHIFT    (8 + PSCHED_SHIFT)
> 
> Actually I'm confused, why the additional change of 10?

OK, 10 - 6 = 4, got it :)

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