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Message-ID: <20101019145618.GF6193@verge.net.au> Date: Tue, 19 Oct 2010 16:56:18 +0200 From: Simon Horman <horms@...ge.net.au> To: jamal <hadi@...erus.ca> Cc: Jesse Gross <jesse@...ira.com>, Ben Pfaff <blp@...ira.com>, netdev@...r.kernel.org, ovs-team@...ira.com Subject: Re: openvswitch/flow WAS ( Re: [rfc] Merging the Open vSwitch datapath On Tue, Oct 19, 2010 at 06:22:48AM -0400, jamal wrote: > 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. Ok, lets forget my quarantine idea - I was just thinking aloud. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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