From: Vincent Bernat <vincent@bernat.im>
To: David Ahern <dsa@cumulusnetworks.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Nicolas Dichtel <nicolas.dichtel@6wind.com>,
Wilson Kok <wkok@cumulusnetworks.com>,
netdev@vger.kernel.org
Subject: Re: [net v1] fib_rules: interface group matching
Date: Wed, 14 Sep 2016 18:01:10 +0200 [thread overview]
Message-ID: <8760pypj21.fsf@zoro.exoscale.ch> (raw)
In-Reply-To: <c4f00f4e-aad3-f3d4-3c7c-8fe39c8f1720@cumulusnetworks.com> (David Ahern's message of "Wed, 14 Sep 2016 09:25:49 -0600")
❦ 14 septembre 2016 17:25 CEST, David Ahern <dsa@cumulusnetworks.com> :
>> I could just give more time to VRF. I also had some concerns over
>> performance with the way Netfilter integration is done, but I understand
>> that I could just stay away from POSTROUTING rules which is the only
>> hook executed twice?
> With the changes that were committed this past weekend, the VRF code
> is now setup where I can set a flag on a per VRF basis to disable the
> extra rx and tx processing - ie., no network taps, no netfilter, no
> qdisc, etc. Drops the overhead of VRF to ~3% maybe a bit less. I need
> to think about the user api a bit more and formalize the patch. Given
> my other commitments that probably won't happen until mid-October. But
> in terms of a building block, the overhead of VRF is continuing to
> drop.
Fine by me. We can drop my patch.
Thanks!
--
Program defensively.
- The Elements of Programming Style (Kernighan & Plauger)
prev parent reply other threads:[~2016-09-14 16:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 12:40 [net v1] fib_rules: interface group matching Vincent Bernat
2016-09-14 12:43 ` Vincent Bernat
2016-09-14 14:15 ` David Ahern
2016-09-14 14:25 ` Vincent Bernat
2016-09-14 14:39 ` David Ahern
2016-09-14 15:14 ` Vincent Bernat
2016-09-14 15:25 ` David Ahern
2016-09-14 16:01 ` Vincent Bernat [this message]
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