netdev - Re: [net-next 05/10] net: Add Geneve tunneling protocol driver

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Message-ID: <CAEP_g=82H_h85Cog5HNP9P4M5LPJ=ZLz-dzLocAUKAG7cZi7yg@mail.gmail.com>
Date:	Tue, 22 Jul 2014 19:24:20 -0400
From:	Jesse Gross <jesse@...ira.com>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	Andy Zhou <azhou@...ira.com>, David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>
Subject: Re: [net-next 05/10] net: Add Geneve tunneling protocol driver

On Tue, Jul 22, 2014 at 7:12 PM, Alexander Duyck
<alexander.h.duyck@...el.com> wrote:
> On 07/22/2014 03:19 AM, Andy Zhou wrote:
>> This adds a device level support for Geneve -- Generic Network
>> Virtualization Encapsulation. The protocol is documented at
>> http://tools.ietf.org/html/draft-gross-geneve-00
>>
>> Only protocol layer Geneve support is provided by this driver.
>> Openvswitch can be used for configuring, set up and tear down
>> functional Geneve tunnels.
>>
>> Signed-off-by: Jesse Gross <jesse@...ira.com>
>> Signed-off-by: Andy Zhou <azhou@...ira.com>
>> ---
>>  include/net/geneve.h     |   85 +++++++++++++++
>>  include/net/ip_tunnels.h |    2 +
>>  net/ipv4/Kconfig         |   14 +++
>>  net/ipv4/Makefile        |    1 +
>>  net/ipv4/geneve.c        |  273 ++++++++++++++++++++++++++++++++++++++++++++++
>>  net/openvswitch/Kconfig  |   11 ++
>>  net/openvswitch/vport.c  |    3 +
>>  7 files changed, 389 insertions(+)
>>  create mode 100644 include/net/geneve.h
>>  create mode 100644 net/ipv4/geneve.c
>>
>
> So all this is really doing is enabling a Geneve socket for use by
> Openvswitch.  Do you have any plans to enable a stand alone interface
> like what we already have for VXLAN?

Yes, this is the basic protocol code that would be shared by all users
of Geneve. OVS is the first user but John Linville is looking at
adding support for connecting this to 'ip' as a non-OVS user.
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