From: Eric Dumazet <eric.dumazet@gmail.com>
To: Daniel Borkmann <dborkman@redhat.com>
Cc: Ronny Meeus <ronny.meeus@gmail.com>, netdev <netdev@vger.kernel.org>
Subject: Re: How do I receive vlan tags on an AF_PACKET socket in 3.4 kernel?
Date: Wed, 31 Jul 2013 08:09:30 -0700 [thread overview]
Message-ID: <1375283370.10515.100.camel@edumazet-glaptop> (raw)
In-Reply-To: <51F9226F.30202@redhat.com>
On Wed, 2013-07-31 at 16:42 +0200, Daniel Borkmann wrote:
> You can use bpfc (git://github.com/borkmann/netsniff-ng.git), it also has
> an extensive man page. That should probably do it:
>
> $ cat foo
> ld vlant
> jneq #4094, drop
> ret #-1
> drop: ret #0
>
> $ bpfc foo
> { 0x20, 0, 0, 0xfffff02c },
> { 0x15, 0, 1, 0x00000ffe },
> { 0x6, 0, 0, 0xffffffff },
> { 0x6, 0, 0, 0x00000000 },
Thanks Daniel.
If the load of this BPF fails (because its an old kernel), then load
your old filter.
next prev parent reply other threads:[~2013-07-31 15:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 13:07 How do I receive vlan tags on an AF_PACKET socket in 3.4 kernel? Ronny Meeus
2013-07-30 14:09 ` Eric Dumazet
2013-07-31 12:51 ` Ronny Meeus
2013-07-31 12:54 ` Daniel Borkmann
2013-07-31 14:16 ` Eric Dumazet
2013-07-31 14:36 ` Ronny Meeus
2013-07-31 14:42 ` Daniel Borkmann
2013-07-31 15:09 ` Eric Dumazet [this message]
2013-07-31 20:01 ` Ronny Meeus
2013-07-31 20:47 ` Eric Dumazet
2013-08-01 9:24 ` Ronny Meeus
2013-08-02 8:15 ` Daniel Borkmann
2013-08-02 9:03 ` Ronny Meeus
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