[ovs-dev] [PATCH v2.33] datapath: Add basic MPLS support to kernel

Jesse Gross jesse at nicira.com
Thu Jun 20 19:28:32 UTC 2013

On Wed, Jun 19, 2013 at 5:56 PM, Simon Horman <horms at verge.net.au> wrote:
> On Tue, Jun 18, 2013 at 04:06:49PM +0900, Simon Horman wrote:
>> Allow datapath to recognize and extract MPLS labels into flow keys
>> and execute actions which push, pop, and set labels on packets.
>> Based heavily on work by Leo Alterman, Ravi K, Isaku Yamahata and Joe Stringer.
>> Cc: Ravi K <rkerur at gmail.com>
>> Cc: Leo Alterman <lalterman at nicira.com>
>> Cc: Isaku Yamahata <yamahata at valinux.co.jp>
>> Cc: Joe Stringer <joe at wand.net.nz>
>> Signed-off-by: Simon Horman <horms at verge.net.au>
>> ---
>> This patch depends on "gre: Restructure tunneling" which it aims
>> to be compatible with.
> To clarify. The dependency relates to a conflict when applying this patch
> which modifies datapath/linux/compat/gso.[ch], files that are
> created by "gre: Restructure tunneling". I believe it would
> be trivial to reverse the dependency so that this patch creates
> those files and "gre: Restructure tunneling" applies on top of it
> as the two patches add different functions to those files.
> As such I think it would be better to describe this patch
> as compatible with "gre: Restructure tunneling" rather than
> dependent on it.

I agree that's the case. However, now that the OVS GRE code is
upstream, I think I can take just a quick pass over the GRE patch to
get it in and then we won't have any dependency issues.

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