Signed-off-by: Satoshi Fujimoto <[email protected]> --- ryu/services/protocols/bgp/info_base/l2vpnfs.py | 66 ++++++++++++++++++++++ ryu/services/protocols/bgp/info_base/vrfl2vpnfs.py | 58 +++++++++++++++++++ 2 files changed, 124 insertions(+) create mode 100644 ryu/services/protocols/bgp/info_base/l2vpnfs.py create mode 100644 ryu/services/protocols/bgp/info_base/vrfl2vpnfs.py
diff --git a/ryu/services/protocols/bgp/info_base/l2vpnfs.py b/ryu/services/protocols/bgp/info_base/l2vpnfs.py new file mode 100644 index 0000000..d612cc7 --- /dev/null +++ b/ryu/services/protocols/bgp/info_base/l2vpnfs.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 + L2VPN Flow Specification support. +""" + +import logging + +from ryu.lib.packet.bgp import FlowSpecL2VPNNLRI +from ryu.lib.packet.bgp import RF_L2VPN_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.l2vpnfs') + + +class L2VPNFlowSpecDest(VpnDest): + """L2VPN Flow Specification Destination + + Store Flow Specification Paths. + """ + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + + +class L2VPNFlowSpecTable(VpnTable): + """Global table to store L2VPN Flow Specification routing information. + + Uses `L2VPNFlowSpecDest` to store destination information for each known + Flow Specification paths. + """ + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + VPN_DEST_CLASS = L2VPNFlowSpecDest + + +class L2VPNFlowSpecPath(VpnPath): + """Represents a way of reaching an L2VPN Flow Specification destination.""" + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + VRF_PATH_CLASS = None # defined in init - anti cyclic import hack + NLRI_CLASS = FlowSpecL2VPNNLRI + + def __init__(self, *args, **kwargs): + # Set dummy IP address. + kwargs['nexthop'] = '0.0.0.0' + super(L2VPNFlowSpecPath, self).__init__(*args, **kwargs) + from ryu.services.protocols.bgp.info_base.vrfl2vpnfs import( + L2vpnFlowSpecPath) + self.VRF_PATH_CLASS = L2vpnFlowSpecPath + # Because the L2VPN Flow Specification does not require nexthop, + # initialize with None. + self._nexthop = None diff --git a/ryu/services/protocols/bgp/info_base/vrfl2vpnfs.py b/ryu/services/protocols/bgp/info_base/vrfl2vpnfs.py new file mode 100644 index 0000000..8e2c545 --- /dev/null +++ b/ryu/services/protocols/bgp/info_base/vrfl2vpnfs.py @@ -0,0 +1,58 @@ +# 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 L2VPN support. + Represents data structures for VRF not VPN/global. + (Inside VRF you have L2VPN Flow Specification prefixes + and inside VPN you have L2VPN Flow Specification prefixes) +""" + +import logging + +from ryu.lib.packet.bgp import RF_L2VPN_FLOWSPEC +from ryu.lib.packet.bgp import FlowSpecL2VPNNLRI + +from ryu.services.protocols.bgp.info_base.l2vpnfs import L2VPNFlowSpecPath +from ryu.services.protocols.bgp.info_base.vrffs import VRFFlowSpecDest +from ryu.services.protocols.bgp.info_base.vrffs import VRFFlowSpecPath +from ryu.services.protocols.bgp.info_base.vrffs import VRFFlowSpecTable + +LOG = logging.getLogger('bgpspeaker.info_base.vrfl2vpnfs') + + +class L2vpnFlowSpecPath(VRFFlowSpecPath): + """Represents a way of reaching an IP destination with + a L2VPN Flow Specification. + """ + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + VPN_PATH_CLASS = L2VPNFlowSpecPath + VPN_NLRI_CLASS = FlowSpecL2VPNNLRI + + +class L2vpnFlowSpecDest(VRFFlowSpecDest): + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + + +class L2vpnFlowSpecTable(VRFFlowSpecTable): + """Virtual Routing and Forwarding information base + for L2VPN Flow Specification. + """ + ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + VPN_ROUTE_FAMILY = RF_L2VPN_FLOWSPEC + NLRI_CLASS = FlowSpecL2VPNNLRI + VRF_PATH_CLASS = L2vpnFlowSpecPath + VRF_DEST_CLASS = L2vpnFlowSpecDest -- 2.7.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! 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