1 files changed, 66 insertions, 0 deletions
diff --git a/ryu/services/protocols/bgp/info_base/vpnv4fs.py b/ryu/services/protocols/bgp/info_base/vpnv4fs.py
new file mode 100644
index 00000000..e87196c2
--- /dev/null
+++ b/ryu/services/protocols/bgp/info_base/vpnv4fs.py
@@ -0,0 +1,66 @@
+# Copyright (C) 2017 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+ Defines data types and models required specifically for
+ VPNv4 Flow Specification support.
+"""
+
+import logging
+
+from ryu.lib.packet.bgp import FlowSpecVPNv4NLRI
+from ryu.lib.packet.bgp import RF_VPNv4_FLOWSPEC
+
+from ryu.services.protocols.bgp.info_base.vpn import VpnDest
+from ryu.services.protocols.bgp.info_base.vpn import VpnPath
+from ryu.services.protocols.bgp.info_base.vpn import VpnTable
+
+LOG = logging.getLogger('bgpspeaker.info_base.vpnv4fs')
+
+
+class VPNv4FlowSpecDest(VpnDest):
+    """VPNv4 Flow Specification Destination
+
+    Store Flow Specification Paths.
+    """
+    ROUTE_FAMILY = RF_VPNv4_FLOWSPEC
+
+
+class VPNv4FlowSpecTable(VpnTable):
+    """Global table to store VPNv4 Flow Specification routing information.
+
+    Uses `VPNv4FlowSpecDest` to store destination information for each known
+    Flow Specification paths.
+    """
+    ROUTE_FAMILY = RF_VPNv4_FLOWSPEC
+    VPN_DEST_CLASS = VPNv4FlowSpecDest
+
+
+class VPNv4FlowSpecPath(VpnPath):
+    """Represents a way of reaching an VPNv4 Flow Specification destination."""
+    ROUTE_FAMILY = RF_VPNv4_FLOWSPEC
+    VRF_PATH_CLASS = None  # defined in init - anti cyclic import hack
+    NLRI_CLASS = FlowSpecVPNv4NLRI
+
+    def __init__(self, *args, **kwargs):
+        # Set dummy IP address.
+        kwargs['nexthop'] = '0.0.0.0'
+        super(VPNv4FlowSpecPath, self).__init__(*args, **kwargs)
+        from ryu.services.protocols.bgp.info_base.vrf4fs import(
+            Vrf4FlowSpecPath)
+        self.VRF_PATH_CLASS = Vrf4FlowSpecPath
+        # Because the IPv4 Flow Specification does not require nexthop,
+        # initialize with None.
+        self._nexthop = None