netdev - Re: [RFT] geneve: implement support for IPv6-based tunnels

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Message-ID: <20150929181007.55ecc3a2@griffin>
Date:	Tue, 29 Sep 2015 18:10:07 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	Pravin B Shelar <pshelar@...ira.com>,
	Jesse Gross <jesse@...ira.com>
Subject: Re: [RFT] geneve: implement support for IPv6-based tunnels

On Mon, 28 Sep 2015 15:20:33 -0400, John W. Linville wrote:
> > To be really useful, geneve should open both IPv4 and IPv6 socket when
> > it's metadata based. Take a look at my recent patchset that does this
> > for vxlan: http://thread.gmane.org/gmane.linux.network/379282
> 
> OK, that seems simple enough.  So we should just assume that a metadata
> tunnel could do either protocol at any time?  Or are there more rules
> than that?

That should be it, on egress. On ingress, udp_tun_rx_dst needs to be
called with the appropriate family which seems to be missing from your
patch, too (there's AF_INET unconditionally, currently).

 Jiri

-- 
Jiri Benc
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