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

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Message-ID: <1370208638.24311.87.camel@edumazet-glaptop>
Date:	Sun, 02 Jun 2013 14:30:38 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2] get_rate: detect 32bit overflows

On Sun, 2013-06-02 at 11:51 -0700, Eric Dumazet 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
> 

Hmpf, patch is buggy, I'll send a v2


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