From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@linux-foundation.org>
Subject: Re: 64bit counters: iproute(netlink) vs ifconfig
Date: Wed, 13 Feb 2008 12:35:09 -0800
Message-ID: <20080213123509.7bff7b7b@extreme>
References: <Pine.LNX.4.64.0802132114110.16999@bizon.gios.gov.pl>
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On Wed, 13 Feb 2008 21:20:59 +0100 (CET)
Krzysztof Oledzki <olel@ans.pl> wrote:

> Hello,
>=20
> Just discovered that counters returned by the "ip" tool are truncated=
:
>=20
> # ip -s link show bond0
> 1: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noq=
ueue
>      link/ether 00:1d:09:67:6e:2f brd ff:ff:ff:ff:ff:ff
>      RX: bytes  packets  errors  dropped overrun mcast
>      2485605521 9010211  0       0       0       6
>      TX: bytes  packets  errors  dropped carrier collsns
>      3023237974 9345397  0       0       0       0
>=20
> # ifconfig bond0
> bond0     Link encap:Ethernet  HWaddr 00:1D:09:67:6E:2F
>            inet addr:192.168.152.62  Bcast:192.168.152.255  Mask:255.=
255.255.0
>            inet6 addr: fe80::21d:9ff:fe67:6e2f/64 Scope:Link
>            UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
>            RX packets:9010367 errors:0 dropped:351 overruns:0 frame:0
>            TX packets:9345521 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:0
>            RX bytes:2485631020 (2370.4 Mb)  TX bytes:7318232294 (6979=
=2E2 Mb)
>=20
> Is it possible to get 64-bit counters in ip via netlink? Struct=20
> rtnl_link_stats does not look very optimistic, as it has rx_bytes/tx_=
bytes=20
> defined with __u32.
>=20
> Best regards,
>=20
>  				Krzysztof Ol=C4=99dzki

The problem is the kernel binary API is now hard coded to 32 bit values=
=2E

--=20
Stephen Hemminger <stephen.hemminger@vyatta.com>