netdev - Re: [patch net-next v5 09/11] act_police: improved accuracy at high rates

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Message-ID: <20130212133915.GA18057@minipsycho.orion>
Date:	Tue, 12 Feb 2013 14:39:15 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Jamal Hadi Salim <jhs@...atatu.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuznet@....inr.ac.ru, j.vimal@...il.com
Subject: Re: [patch net-next v5 09/11] act_police: improved accuracy at high
 rates

Tue, Feb 12, 2013 at 02:31:21PM CET, jhs@...atatu.com wrote:
>Jiri,
>
>Does this work with your new kernel changes + old tc?
>Some of the kernel fields you have changes that are updated from
>user space with matching 32 bits (eg the pair tcfp_burst which you
>made 64 bits vs user space u32 burst).
>It probably will work - doesnt harm to check on _all_ the fields you
>upgraded to 64 bit.

Yes, this shouldn't be a problem. Userspace passes this values in
struct tc_police *parm and these values are converted into new 64bits
(ticks->ns) ones. Also in dump functions, these are converted back.

Similar changes were made to htb some time ago, I believe that without
issues.

>
>cheers,
>jamal
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