added VPNv6 prefix support. This patch enables addition and deletion of VPNv6 prefix.
Signed-off-by: Hiroshi Yokoi <[email protected]> --- ryu/services/protocols/bgp/api/base.py | 1 + ryu/services/protocols/bgp/bgpspeaker.py | 33 ++++++++++++++++++++-- .../protocols/bgp/core_managers/table_manager.py | 2 +- 3 files changed, 32 insertions(+), 4 deletions(-) diff --git a/ryu/services/protocols/bgp/api/base.py b/ryu/services/protocols/bgp/api/base.py index e43f074..eee243b 100644 --- a/ryu/services/protocols/bgp/api/base.py +++ b/ryu/services/protocols/bgp/api/base.py @@ -40,6 +40,7 @@ NEXT_HOP = 'next_hop' VPN_LABEL = 'label' API_SYM = 'name' ORIGIN_RD = 'origin_rd' +ROUTE_FAMILY = 'route_family' # API call registry _CALL_REGISTRY = {} diff --git a/ryu/services/protocols/bgp/bgpspeaker.py b/ryu/services/protocols/bgp/bgpspeaker.py index fdd38dd..615bf75 100644 --- a/ryu/services/protocols/bgp/bgpspeaker.py +++ b/ryu/services/protocols/bgp/bgpspeaker.py @@ -27,6 +27,7 @@ from ryu.services.protocols.bgp.api.base import call from ryu.services.protocols.bgp.api.base import PREFIX from ryu.services.protocols.bgp.api.base import NEXT_HOP from ryu.services.protocols.bgp.api.base import ROUTE_DISTINGUISHER +from ryu.services.protocols.bgp.api.base import ROUTE_FAMILY from ryu.services.protocols.bgp.rtconf.common import LOCAL_AS from ryu.services.protocols.bgp.rtconf.common import ROUTER_ID from ryu.services.protocols.bgp.rtconf.common import BGP_SERVER_PORT @@ -286,8 +287,7 @@ class BGPSpeaker(object): neighbors.CHANGES: attribute_param} call(func_name, **param) - def prefix_add(self, prefix, next_hop=None, route_dist=None, - route_family=None): + def prefix_add(self, prefix, next_hop=None, route_dist=None): """ This method adds a new prefix to be advertized. ``prefix`` must be the string representation of an IP network @@ -310,9 +310,26 @@ class BGPSpeaker(object): if route_dist: func_name = 'prefix.add_local' networks[ROUTE_DISTINGUISHER] = route_dist + + # check if the prefix address is IPv6 address + ip, masklen = prefix.split('/') + if netaddr.valid_ipv6(ip): + networks[ROUTE_FAMILY] = vrfs.VRF_RF_IPV6 + # convert the next_hop address to IPv4-Mapped IPv6 Address + # if it is IPv4 address + if netaddr.valid_ipv4(next_hop): + networks[NEXT_HOP] = \ + str(netaddr.IPAddress(next_hop).ipv6()) + + # normalize IPv6 address expression + networks[PREFIX] = \ + str(netaddr.IPAddress(ip)) + '/' + masklen + else: + networks[ROUTE_FAMILY] = vrfs.VRF_RF_IPV4 + call(func_name, **networks) - def prefix_del(self, prefix, route_dist=None, route_family=None): + def prefix_del(self, prefix, route_dist=None): """ This method deletes a advertized prefix. ``prefix`` must be the string representation of an IP network @@ -329,6 +346,16 @@ class BGPSpeaker(object): if route_dist: func_name = 'prefix.delete_local' networks[ROUTE_DISTINGUISHER] = route_dist + + ip, masklen = prefix.split('/') + if netaddr.valid_ipv6(ip): + networks[ROUTE_FAMILY] = vrfs.VRF_RF_IPV6 + # normalize IPv6 address expression + networks[PREFIX] = \ + str(netaddr.IPAddress(ip)) + '/' + masklen + else: + networks[ROUTE_FAMILY] = vrfs.VRF_RF_IPV4 + call(func_name, **networks) def vrf_add(self, route_dist, import_rts, export_rts, site_of_origins=None, diff --git a/ryu/services/protocols/bgp/core_managers/table_manager.py b/ryu/services/protocols/bgp/core_managers/table_manager.py index 213afec..fc92725 100644 --- a/ryu/services/protocols/bgp/core_managers/table_manager.py +++ b/ryu/services/protocols/bgp/core_managers/table_manager.py @@ -560,7 +560,7 @@ class TableCoreManager(object): raise BgpCoreError(desc='Vrf for route distinguisher %s does ' 'not exist.' % route_dist) ip6, masklen = prefix.split('/') - prefix = IP6AddrPrefix(int(masklen), ip) + prefix = IP6AddrPrefix(int(masklen), ip6) # We do not check if we have a path to given prefix, we issue # withdrawal. Hence multiple withdrawals have not side effect. return vrf_table.insert_vrf_path(prefix, is_withdraw=True) -- 1.8.5.2 (Apple Git-48) ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
