From: jamal <hadi@cyberus.ca>
To: Simon Horman <horms@verge.net.au>
Cc: Jesse Gross <jesse@nicira.com>, Ben Pfaff <blp@nicira.com>,
netdev@vger.kernel.org, ovs-team@nicira.com
Subject: Re: openvswitch/flow WAS ( Re: [rfc] Merging the Open vSwitch datapath
Date: Tue, 19 Oct 2010 06:22:48 -0400 [thread overview]
Message-ID: <1287483768.26671.2.camel@bigi> (raw)
In-Reply-To: <20101018152010.GE319@verge.net.au>
On Mon, 2010-10-18 at 17:20 +0200, Simon Horman wrote:
> As I understand things, the packet goes from the kernel to userspace
> and then (typically) comes back again.
Injection back is trivial.
> I guess that it would be possible to send a copy of the headers
> to user-sapce while the packet is quarantined in the kernel pending
> a response from user-space. I say only the headers, as typically
> that is all user-space needs to make a decision, though I guess it
> may need the body to make some types of decisions. I have no idea
> if such a scheme would be desirable in any circumstances.
quarantine the packet in the kernel would be trickier than sending the
whole thing up - for a sample of how it is done i believe the netfilter
approach (ipq?) as well as ipsec would be good samples to look at.
cheers,
jamal
next prev parent reply other threads:[~2010-10-19 10:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-30 6:27 [rfc] Merging the Open vSwitch datapath Simon Horman
2010-08-30 6:52 ` Joe Perches
2010-08-30 7:11 ` Simon Horman
2010-08-30 7:25 ` Joe Perches
2010-08-30 7:33 ` Simon Horman
2010-08-30 17:22 ` Ben Pfaff
2010-08-30 18:26 ` Rose, Gregory V
2010-08-30 18:33 ` Ben Pfaff
2010-08-30 18:45 ` Rose, Gregory V
2010-08-30 20:59 ` Chris Wright
2010-08-31 0:48 ` Simon Horman
2010-08-31 0:54 ` Chris Wright
2010-08-31 1:01 ` Simon Horman
2010-08-31 1:11 ` Jesse Gross
2010-08-31 1:38 ` Simon Horman
2010-08-31 8:18 ` Herbert Xu
2010-08-30 21:04 ` Arnd Bergmann
2010-08-30 22:15 ` Rose, Gregory V
2010-08-31 11:48 ` Arnd Bergmann
2010-08-31 17:04 ` Rose, Gregory V
2010-08-31 17:43 ` Arnd Bergmann
2010-08-31 20:16 ` Rose, Gregory V
2010-10-15 11:31 ` openvswitch/flow WAS ( " jamal
2010-10-15 16:18 ` Ben Pfaff
2010-10-15 21:35 ` Jesse Gross
2010-10-16 11:35 ` jamal
2010-10-16 19:33 ` Jesse Gross
2010-10-18 12:16 ` jamal
2010-10-18 15:20 ` Simon Horman
2010-10-19 10:22 ` jamal [this message]
2010-10-19 14:56 ` Simon Horman
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