netdev - Re: [tcpdump-workers] vlan tagged packets and libpcap breakage

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Message-ID: <CAOxq_8NTCV_ORimfet5FO0tH=9HQUy9Gy=ZeV9sFoWDAP8XagA@mail.gmail.com>
Date:	Thu, 13 Dec 2012 14:07:45 -0800
From:	Ani Sinha <ani@...stanetworks.com>
To:	Daniel Borkmann <danborkmann@...earbox.net>
Cc:	Michael Richardson <mcr@...delman.ca>, netdev@...r.kernel.org,
	tcpdump-workers@...ts.tcpdump.org,
	Francesco Ruggeri <fruggeri@...stanetworks.com>
Subject: Re: [tcpdump-workers] vlan tagged packets and libpcap breakage

On Thu, Dec 13, 2012 at 1:49 PM, Daniel Borkmann
<danborkmann@...earbox.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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