From: ebiederm@xmission.com (Eric W. Biederman)
To: Daniel Borkmann <danborkmann@iogearbox.net>
Cc: Michael Richardson <mcr@sandelman.ca>,
tcpdump-workers@lists.tcpdump.org,
Ani Sinha <ani@aristanetworks.com>,
netdev@vger.kernel.org,
Francesco Ruggeri <fruggeri@aristanetworks.com>
Subject: Re: [tcpdump-workers] vlan tagged packets and libpcap breakage
Date: Sat, 17 Nov 2012 15:37:40 -0800 [thread overview]
Message-ID: <87a9ufu7gb.fsf@xmission.com> (raw)
In-Reply-To: <CAD6jFUQguS0oqGuA-HDFV2gd9m_=kZAvKJJq3ymr8zWM2cePXw@mail.gmail.com> (Daniel Borkmann's message of "Sun, 18 Nov 2012 00:16:49 +0100")
Daniel Borkmann <danborkmann@iogearbox.net> writes:
> Speaking of netsniff-ng where we don't reconstruct VLAN headers, users
> have reported that depending on the NIC/driver resp. ethtool setting,
> they can come in stripped or not (in the pf_packet's rx_ring buffer).
> However, I assume VLAN AUXDATA is always consistent (and so the
> BPF/BPF JIT filtering).
Yes it was a mess before we added software stripping of the vlan headers
a year ago.
Eric
next prev parent reply other threads:[~2012-11-17 23:37 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAOxq_8Nd8VP3MaNBfUt9v82nmGDpxZz5_5QMdsruET1tjwuQPw@mail.gmail.com>
[not found] ` <3246.1351717319@obiwan.sandelman.ca>
2012-10-31 21:50 ` [tcpdump-workers] vlan tagged packets and libpcap breakage Ani Sinha
2012-10-31 22:20 ` Guy Harris
2012-10-31 22:35 ` Ani Sinha
2012-11-01 0:50 ` [tcpdump-workers] " Guy Harris
2012-11-01 1:22 ` Ani Sinha
2012-12-06 21:20 ` Ani Sinha
2012-11-02 16:13 ` Bill Fenner
2012-11-13 22:41 ` Ani Sinha
2012-11-13 22:42 ` [tcpdump-workers] " Ani Sinha
2012-11-14 18:58 ` Michael Richardson
2012-10-31 22:42 ` [tcpdump-workers] " Michael Richardson
2012-12-12 21:53 ` Ani Sinha
2012-12-12 22:16 ` Ani Sinha
2012-12-13 8:35 ` [tcpdump-workers] " Daniel Borkmann
2012-12-13 17:34 ` Ani Sinha
2012-12-13 21:49 ` Daniel Borkmann
2012-12-13 22:07 ` Ani Sinha
2012-12-17 9:50 ` David Laight
2012-12-17 10:35 ` Guy Harris
2012-12-17 11:08 ` Daniel Borkmann
2012-12-17 19:49 ` [tcpdump-workers] " Ani Sinha
2012-11-16 6:51 ` Eric W. Biederman
2012-11-17 22:14 ` Michael Richardson
2012-11-17 23:16 ` Daniel Borkmann
2012-11-17 23:37 ` Eric W. Biederman [this message]
2012-11-17 23:33 ` Eric W. Biederman
2012-12-06 21:22 ` Ani Sinha
2012-12-06 22:19 ` Eric W. Biederman
2012-12-06 22:40 ` Ani Sinha
2012-12-07 0:55 ` Ani Sinha
2012-12-07 1:03 ` [tcpdump-workers] " Eric W. Biederman
2012-12-07 1:28 ` Ani Sinha
2012-12-07 1:31 ` Ani Sinha
2012-12-07 1:41 ` Eric W. Biederman
2012-12-07 1:59 ` Michael Richardson
2012-12-11 0:11 ` [tcpdump-workers] " Ani Sinha
2012-12-11 22:36 ` Ani Sinha
2012-12-11 23:04 ` Eric Dumazet
2012-12-12 0:46 ` Ani Sinha
2012-12-12 0:50 ` [tcpdump-workers] " Ani Sinha
2012-12-11 23:12 ` Stephen Hemminger
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