netdev - Re: [PATCH v2 iproute2] get_rate: detect 32bit overflows

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Message-ID: <20130607092545.21cd79ef@nehalam.linuxnetplumber.net>
Date:	Fri, 7 Jun 2013 09:25:45 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 iproute2] get_rate: detect 32bit overflows

On Sun, 02 Jun 2013 14:36:48 -0700
Eric Dumazet <eric.dumazet@...il.com> wrote:

> Current rate limit is 34.359.738.360 bit per second, and
> unfortunately 40Gbps links are above it.
> 
> overflows in get_rate() are currently not detected, and some
> users are confused. Let's detect this and complain.
> 
> Note that some qdisc are ready to get extended range, but this will
> need additional attributes and new iproute2
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied

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