netdev - Re: [PATCH net-next-2.6] snmp: 64bit ipstats

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Message-ID: <4C2A0C22.4010202@linux-ipv6.org>
Date:	Wed, 30 Jun 2010 00:07:14 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: Re: [PATCH net-next-2.6] snmp: 64bit ipstats_mib for all arches

Hello.

Thank you for doing this work!

Eric Dumazet wrote:
> /proc/net/snmp and /proc/net/netstat expose SNMP counters.
> 
> Width of these counters is either 32 or 64 bits, depending on the size
> of "unsigned long" in kernel.
> 
> This means user program parsing these files must already be prepared to
> deal with 64bit values, regardless of user program being 32 or 64 bit.

Well, I'm rather not in favor of breaking user-space apps.
How about leaving legacy procfs as-is and fix netlink-side only?

--yoshfuji
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