From: Patrick McHardy <kaber@trash.net>
To: Kuzin Andrey <kuzinandrey@yandex.ru>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [IMPORTANT] !!! tun ifaces don't visible by nfnetlink library
Date: Thu, 18 Feb 2010 18:07:11 +0100 [thread overview]
Message-ID: <4B7D73BF.4070908@trash.net> (raw)
In-Reply-To: <1012927142.20100218091404@yandex.ru>
Kuzin Andrey wrote:
> Hello! I wrote about this problem later, but no any effect.
> Kernel somewhere or nfnetlink library has error.
> In kernel 2.6.27.x all forking fine.
> In kernel 2.6.30.5 only latest up tun iface was visible.
> Now i use kernel 2.6.32.3 and all tun ifaces become invisible.
>
> root@banana:/tmp/tgz/libnfnetlink-1.0.0/utils# gcc iftest.c -lnfnetlink
> root@banana:/tmp/tgz/libnfnetlink-1.0.0/utils# ./a.out
> index (1) is lo (RUNNING)
> index (2) is eth0 (RUNNING)
> index (3) is eth1 (RUNNING)
> index (4) is eth2 (RUNNING)
> index (5) is eth3 (RUNNING)
> index (6) is teql0 (NOT RUNNING)
> index (7) is tunl0 (NOT RUNNING)
> index (8) is gre0 (NOT RUNNING)
> index (9) is eth0.11 (RUNNING)
> index (10) is eth0.14 (RUNNING)
> index (11) is eth0.15 (RUNNING)
> index (12) is eth0.2 (RUNNING)
> index (13) is eth0.3 (RUNNING)
>
> iftest output ifaces with index from 0 to 64.
>
> Here is ifaces list by ifconfig
> ---------------------------------
> root@banana:/tmp/tgz/libnfnetlink-1.0.0/utils# ifconfig | grep Link
> eth0 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth1 Link encap:Ethernet HWaddr 00:22:15:39:a3:34
> eth2 Link encap:Ethernet HWaddr 00:22:15:39:a3:35
> eth3 Link encap:Ethernet HWaddr 00:22:15:39:a3:36
> eth0.2 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth0.3 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth0.5 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth0.11 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth0.14 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> eth0.15 Link encap:Ethernet HWaddr 00:22:15:39:a3:33
> lo Link encap:Local Loopback
> tun1 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
> tun2 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
>
> In my program uses NFQUEUE packets from tun1 and tun2 coming
> with indexex 14 and 17. But iftest not output any information
> about this (and such code in my program).
> I don't know another way to get name of iface by his index.
I can't reproduce this hear with tap devices. Please try to
figure out whether there are no netlink messages for these
devices or whether userspace ignores them.
next prev parent reply other threads:[~2010-02-18 17:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-18 6:14 [IMPORTANT] !!! tun ifaces don't visible by nfnetlink library Kuzin Andrey
2010-02-18 17:07 ` Patrick McHardy [this message]
2010-02-18 17:21 ` Jan Engelhardt
2010-02-18 20:00 ` Re[2]: " Kuzin Andrey
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