def add_faucet_vip(self, vlan, faucet_vip):
ofmsgs = []
max_prefixlen = faucet_vip.ip.max_prefixlen
faucet_vip_host = self._host_from_faucet_vip(faucet_vip)
priority = self.route_priority + max_prefixlen
faucet_vip_host_nd_mcast = valve_packet.ipv6_link_eth_mcast(
valve_packet.ipv6_solicited_node_from_ucast(faucet_vip.ip))
ofmsgs.append(self.valve_flowmod(
self.eth_src_table,
self.valve_in_match(
self.eth_src_table,
eth_type=self._eth_type(),
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
eth_dst=faucet_vip_host_nd_mcast,
icmpv6_type=icmpv6.ND_NEIGHBOR_SOLICIT),
priority=priority,
inst=[
valve_of.apply_actions([valve_of.output_controller()]),
valve_of.goto_table(self.flood_table)]))
ofmsgs.append(self.valve_flowmod(
self.eth_src_table,
self.valve_in_match(
self.eth_src_table,
eth_type=self._eth_type(),
eth_dst=self.faucet_mac,
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_NEIGHBOR_ADVERT),
priority=priority,
inst=[valve_of.apply_actions([valve_of.output_controller()])]))
# Initialize IPv6 FIB
ofmsgs.append(self.valve_flowmod(
self.eth_src_table,
self.valve_in_match(
self.eth_src_table,
eth_type=self._eth_type(),
eth_dst=self.faucet_mac,
vlan=vlan),
priority=self.route_priority,
inst=[valve_of.goto_table(self.fib_table)]))
ofmsgs.append(self.valve_flowcontroller(
self.fib_table,
self.valve_in_match(
self.fib_table,
eth_type=self._eth_type(),
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
nw_dst=faucet_vip_host,
icmpv6_type=icmpv6.ICMPV6_ECHO_REQUEST),
priority=priority))
return ofmsgs
def _add_faucet_vip_nd(self, vlan, priority, faucet_vip, faucet_vip_host):
faucet_vip_host_nd_mcast = valve_packet.ipv6_link_eth_mcast(
valve_packet.ipv6_solicited_node_from_ucast(faucet_vip.ip))
controller_and_flood = [
valve_of.apply_actions([valve_of.output_controller()]),
valve_of.goto_table(self.flood_table)]
ofmsgs = []
ofmsgs.append(self.eth_src_table.flowmod(
self.eth_src_table.match(
eth_type=self.ETH_TYPE,
eth_dst=faucet_vip_host_nd_mcast,
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_NEIGHBOR_SOLICIT),
priority=priority,
inst=controller_and_flood))
ofmsgs.append(self.eth_src_table.flowcontroller(
self.eth_src_table.match(
eth_type=self.ETH_TYPE,
eth_dst=vlan.faucet_mac,
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_NEIGHBOR_ADVERT),
priority=priority))
if faucet_vip.ip in valve_packet.IPV6_LINK_LOCAL:
ofmsgs.append(self.eth_src_table.flowmod(
self.eth_src_table.match(
eth_type=self.ETH_TYPE,
eth_dst=valve_packet.IPV6_ALL_ROUTERS_MCAST,
vlan=vlan,
nw_proto=inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_ROUTER_SOLICIT),
priority=priority,
inst=controller_and_flood))
return ofmsgs
def add_faucet_vip(self, vlan, faucet_vip):
ofmsgs = []
max_prefixlen = faucet_vip.ip.max_prefixlen
faucet_vip_host = self._host_from_faucet_vip(faucet_vip)
priority = self.route_priority + max_prefixlen
ofmsgs.append(self.valve_flowmod(
self.eth_src_table,
self.valve_in_match(
self.eth_src_table,
eth_type=ether.ETH_TYPE_ARP,
nw_dst=faucet_vip_host,
vlan=vlan),
priority=priority,
inst=[valve_of.apply_actions([valve_of.output_controller()])]))
# Initialize IPv4 FIB
ofmsgs.append(self.valve_flowmod(
self.eth_src_table,
self.valve_in_match(
self.eth_src_table,
eth_type=self._eth_type(),
eth_dst=self.faucet_mac,
vlan=vlan),
priority=self.route_priority,
inst=[valve_of.goto_table(self.fib_table)]))
ofmsgs.append(self.valve_flowcontroller(
self.fib_table,
self.valve_in_match(
self.fib_table,
vlan=vlan,
eth_type=self._eth_type(),
nw_proto=inet.IPPROTO_ICMP,
nw_src=faucet_vip,
nw_dst=faucet_vip_host),
priority=priority))
return ofmsgs
def flowcontroller(self, match=None, priority=None, inst=None, max_len=96):
"""Add flow outputting to controller."""
if inst is None:
inst = []
return self.flowmod(
match=match,
priority=priority,
inst=[valve_of.apply_actions(
[valve_of.output_controller(max_len)])] + inst)
def flowcontroller(self, match=None, priority=None, inst=None, max_len=96):
"""Add flow outputting to controller."""
if inst is None:
inst = ()
return self.flowmod(match=match,
priority=priority,
inst=(valve_of.apply_actions(
(valve_of.output_controller(max_len), )), ) +
inst)
def _add_faucet_vip_nd(self, vlan, priority, faucet_vip, faucet_vip_host):
faucet_vip_host_nd_mcast = valve_packet.ipv6_link_eth_mcast(
valve_packet.ipv6_solicited_node_from_ucast(faucet_vip.ip))
controller_and_flood = [
valve_of.apply_actions([valve_of.output_controller()]),
self.vip_table.goto(self.output_table)
]
ofmsgs = []
ofmsgs.append(
self.vip_table.flowcontroller(self.vip_table.match(
eth_type=self.ETH_TYPE,
nw_proto=valve_of.inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ICMPV6_ECHO_REQUEST),
priority=priority,
max_len=self.MAX_LEN))
# IPv6 ND for FAUCET VIP
ofmsgs.append(
self.eth_src_table.flowmod(
self.eth_src_table.match(eth_type=self.ETH_TYPE,
eth_dst=faucet_vip_host_nd_mcast,
vlan=vlan),
priority=priority,
inst=[self.eth_src_table.goto(self.vip_table)]))
ofmsgs.append(
self.vip_table.flowmod(self.vip_table.match(
eth_type=self.ETH_TYPE,
nw_proto=valve_of.inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_NEIGHBOR_SOLICIT),
priority=priority,
inst=controller_and_flood))
# IPv6 ND for connected hosts.
ofmsgs.append(
self.vip_table.flowcontroller(self.vip_table.match(
eth_type=self.ETH_TYPE,
eth_dst=vlan.faucet_mac,
nw_proto=valve_of.inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_NEIGHBOR_ADVERT),
priority=priority,
max_len=self.MAX_LEN))
if faucet_vip.ip.is_link_local:
ofmsgs.append(
self.eth_src_table.flowmod(
self.eth_src_table.match(
eth_type=self.ETH_TYPE,
eth_dst=valve_packet.IPV6_ALL_ROUTERS_MCAST,
vlan=vlan),
priority=priority,
inst=[self.eth_src_table.goto(self.vip_table)]))
ofmsgs.append(
self.vip_table.flowmod(self.vip_table.match(
eth_type=self.ETH_TYPE,
nw_proto=valve_of.inet.IPPROTO_ICMPV6,
icmpv6_type=icmpv6.ND_ROUTER_SOLICIT),
priority=priority,
inst=controller_and_flood))
return ofmsgs
def add_port(self, port):
"""initialise override_output_port if necessary"""
ofmsgs = []
if port.override_output_port:
ofmsgs.append(self.eth_src_table.flowmod(
match=self.eth_src_table.match(
in_port=port.number),
priority=self.low_priority + 1,
inst=[valve_of.apply_actions([
valve_of.output_controller(),
valve_of.output_port(port.override_output_port.number)])]))
return ofmsgs
def add_port(self, port):
"""initialise override_output_port if necessary"""
ofmsgs = []
if port.override_output_port:
ofmsgs.append(self.eth_src_table.flowmod(
match=self.eth_src_table.match(
in_port=port.number),
priority=self.low_priority + 1,
inst=[valve_of.apply_actions([
valve_of.output_controller(),
valve_of.output_port(port.override_output_port.number)])]))
return ofmsgs
def _controller_and_flood(self):
"""Return instructions to forward packet to l2-forwarding"""
return self.pipeline.accept_to_l2_forwarding(
actions=[valve_of.output_controller(max_len=self.ICMP_SIZE)])
def _controller_and_flood(self):
return [
valve_of.apply_actions([valve_of.output_controller(max_len=self.ICMP_SIZE)]),
self.vip_table.goto(self.output_table)]
def _controller_and_flood(self):
return self.pipeline.accept_to_l2_forwarding(
actions=[valve_of.output_controller(max_len=self.ICMP_SIZE)])
def _controller_and_flood(self):
return self.pipeline.accept_to_l2_forwarding(
actions=[valve_of.output_controller(max_len=self.ICMP_SIZE)])
