[ovs-dev] [PATCH v2.56] datapath: Add basic MPLS support to kernel

[Simon Horman]

On Tue, Apr 01, 2014 at 12:46:20PM +0900, Simon Horman wrote:
> Hi Jesse, Hi Pravin, Hi All,
> 
> This patchset makes use of a whitelist to only allow mpls_push actions to
> be applied to packets with an ethertype where the tag order is well defined
> and implemented. This avoids the problem of where an MPLS LSE should be
> added in relation to a VLAN or similar tag.
> 
> The list of allowed ethertypes is currently:
> 
>   - ETH_P_IP (0x0800)
>   - ETH_P_ARP (0x0806)
>   - ETH_P_RARP (0x0835)
>   - ETH_P_IPV6 (0x86DD)
>   - ETH_P_MPLS_UC (0x8847)
>   - ETH_P_MPLS_MC (0x8847)

Hi,

a gentle nudge on this one.
I'd be most appreciative of some feedback.

> I have updated this patch since v2.55 so that:
> 
> * The MPLS ethertypes are included in the whitelist of ethertypes
>   that allow mpls_push actions.
> * It once again applies on top of the master branch
> 
> 
> Simon Horman (1):
>   datapath: Add basic MPLS support to kernel
> 
>  OPENFLOW-1.1+                                   |   4 -
>  datapath/Modules.mk                             |   1 +
>  datapath/actions.c                              | 119 +++++++++-
>  datapath/datapath.c                             |   4 +-
>  datapath/flow.c                                 |  29 +++
>  datapath/flow.h                                 |  17 +-
>  datapath/flow_netlink.c                         | 298 ++++++++++++++++++++++--
>  datapath/flow_netlink.h                         |   2 +-
>  datapath/linux/compat/gso.c                     |  70 +++++-
>  datapath/linux/compat/gso.h                     |  41 +++-
>  datapath/linux/compat/include/linux/netdevice.h |   6 +-
>  datapath/linux/compat/netdevice.c               |  10 +-
>  datapath/mpls.h                                 |  15 ++
>  include/linux/openvswitch.h                     |   9 +-
>  14 files changed, 568 insertions(+), 57 deletions(-)
>  create mode 100644 datapath/mpls.h
> 
> -- 
> 1.8.4
> 
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