This is v1 patch series for GTP-U tunnel support in DPDK userspace,
GTP-U is used for carrying user data within the GPRS core network and
between the radio access network and the core network. The user data
transported can be packets in any of IPv4, IPv6, or PPP formats.

I have verified it by veth to gtpu in VM1 to gtpu to veth in VM2. Patch
#1 commit log has commands and test openflow table for reference.

Feng Yang (2):
  userspace datapath: Add GTP-U tunnel support
  Add GTP-U unit test cases

 build-aux/extract-ofp-fields                      |   1 +
 datapath/linux/compat/include/linux/openvswitch.h |   3 +
 include/openvswitch/match.h                       |   4 +
 include/openvswitch/meta-flow.h                   |  28 ++++
 include/openvswitch/packets.h                     |   4 +-
 lib/dpif-netlink-rtnl.c                           |   5 +
 lib/dpif-netlink.c                                |   3 +
 lib/flow.c                                        |   5 +
 lib/match.c                                       |  29 +++++
 lib/meta-flow.c                                   |  38 ++++++
 lib/meta-flow.xml                                 |  76 +++++++++++
 lib/netdev-native-tnl.c                           | 150 +++++++++++++++++++++-
 lib/netdev-native-tnl.h                           |  12 ++
 lib/netdev-vport.c                                |  15 ++-
 lib/nx-match.c                                    |   4 +
 lib/odp-util.c                                    |  32 +++++
 lib/packets.h                                     |  17 +++
 lib/tnl-ports.c                                   |   3 +
 ofproto/ofproto-dpif-xlate.c                      |   1 +
 ofproto/tunnel.c                                  |   6 +
 tests/tunnel-push-pop.at                          |  19 +++
 tests/tunnel.at                                   |  13 ++
 22 files changed, 465 insertions(+), 3 deletions(-)

-- 
2.1.0

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