From: Daniel Borkmann <dborkman@redhat.com>
To: David Laight <David.Laight@ACULAB.COM>
Cc: "Eric Dumazet" <eric.dumazet@gmail.com>,
"Michal Sekletár" <sekletar.m@gmail.com>,
"Michal Sekletar" <msekleta@redhat.com>,
netdev@vger.kernel.org,
"Michael Kerrisk" <mtk.manpages@gmail.com>
Subject: Re: [PATCH] net: introduce SO_BPF_EXTENSIONS
Date: Fri, 06 Dec 2013 11:02:01 +0100 [thread overview]
Message-ID: <52A1A099.3010901@redhat.com> (raw)
In-Reply-To: <AE90C24D6B3A694183C094C60CF0A2F6026B7466@saturn3.aculab.com>
On 12/06/2013 10:50 AM, David Laight wrote:
>> if SO_BPF_EXTENSIONS is supported, than you can assume that all current
>> extensions are supported.
>>
>> No need to consume one bit per feature, as all these features wont ever
>> disappear from linux.
>
> However one of the BSDs could add a subset of the features and
> wish to advertise the fact.
> So using extra flags for non-trivial extensions could be useful.
Haven't had a closer look at the BSD BPF code /yet/, so ...
i) Does BSD have such extensions and if so do we overlap some?
ii) Is it planned to also introduce SO_BPF_EXTENSIONS for BSD kernels
to have one common api (that i.e. libpcap would then make use of)?
> David
>
next prev parent reply other threads:[~2013-12-06 10:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 11:57 [PATCH] net: introduce SO_BPF_EXTENSIONS Michal Sekletar
2013-11-28 17:31 ` Eric Dumazet
2013-11-29 14:13 ` Daniel Borkmann
2013-12-05 17:28 ` Michal Sekletár
2013-12-05 17:32 ` Eric Dumazet
2013-12-06 9:50 ` David Laight
2013-12-06 10:02 ` Daniel Borkmann [this message]
2013-12-06 11:15 ` David Laight
2013-12-06 12:04 ` Daniel Borkmann
2013-12-06 17:15 ` David Miller
2013-12-09 14:09 ` Michal Sekletár
2013-12-10 0:25 ` David Miller
2013-12-06 17:10 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2014-01-16 16:14 Michal Sekletar
2014-01-16 16:41 ` Daniel Borkmann
2014-01-16 17:13 ` Michal Sekletar
2014-01-16 17:26 ` Michal Sekletar
2014-01-16 18:34 ` Daniel Borkmann
2014-01-16 18:49 ` Eric Dumazet
2014-01-16 18:52 ` Daniel Borkmann
2014-01-16 19:09 ` Eric Dumazet
2014-01-16 19:24 ` Daniel Borkmann
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