tcpdump mailing list archives

Re: vlan tagged packets and libpcap breakage


From: Ani Sinha <ani () aristanetworks com>
Date: Thu, 13 Dec 2012 14:07:45 -0800

On Thu, Dec 13, 2012 at 1:49 PM, Daniel Borkmann
<danborkmann () iogearbox net> wrote:

Well, not everyone on netdev might be following this thread (resp.
following fully). The best way to get responses for a patch is to go
through the normal patch submission process on netdev, and if you like
to request for comments, then mark it as RFC in the subject. This way,
people will know and likely comment on it if it makes sense or not.

OK good to know.

As Eric mentioned earlier, for now there seems not to be a reliable
way to get to know which ops are present and which not. It's not
really nice, but if you want to make use of those new (ANC*) features,
probably checking kernel version might be the only way if I'm not
missing something. Now net-next is closed, but if it reopens, I'll
submit a version 2 of my patch where you've been CC'd to. If it gets
in, then at least it's for sure that since kernel <xyz> this kind of
feature test is present.

thanks, yes, I believe we do need some sort of validation on the
ancilliary features.
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