def _control_plane_icmpv6_handler(self, pkt_meta, ipv6_pkt, icmpv6_pkt):
vlan = pkt_meta.vlan
src_ip = ipaddr.IPv6Address(ipv6_pkt.src)
dst_ip = ipaddr.IPv6Address(ipv6_pkt.dst)
icmpv6_type = icmpv6_pkt.type_
ofmsgs = []
if vlan.ip_in_vip_subnet(src_ip):
in_port = pkt_meta.port.number
vid = self._vlan_vid(vlan, in_port)
eth_src = pkt_meta.eth_src
if icmpv6_type == icmpv6.ND_NEIGHBOR_SOLICIT:
solicited_ip = icmpv6_pkt.data.dst
if vlan.is_faucet_vip(ipaddr.IPAddress(solicited_ip)):
ofmsgs.extend(self._add_host_fib_route(vlan, src_ip))
nd_reply = valve_packet.nd_reply(self.faucet_mac, eth_src,
vid, solicited_ip, src_ip,
ipv6_pkt.hop_limit)
ofmsgs.append(valve_of.packetout(in_port, nd_reply.data))
self.logger.info(
'Responded to ND solicit for %s to %s (%s)',
solicited_ip, src_ip, eth_src)
elif icmpv6_type == icmpv6.ND_NEIGHBOR_ADVERT:
ofmsgs.extend(
self._update_nexthop(vlan, in_port, eth_src, src_ip))
self.logger.info('ND advert %s (%s)', src_ip, eth_src)
elif vlan.from_connected_to_vip(src_ip, dst_ip):
if (icmpv6_type == icmpv6.ICMPV6_ECHO_REQUEST
and pkt_meta.eth_dst == self.faucet_mac):
icmpv6_echo_reply = valve_packet.icmpv6_echo_reply(
self.faucet_mac, eth_src, vid, dst_ip, src_ip,
ipv6_pkt.hop_limit, icmpv6_pkt.data.id,
icmpv6_pkt.data.seq, icmpv6_pkt.data.data)
ofmsgs.append(
valve_of.packetout(in_port, icmpv6_echo_reply.data))
return ofmsgs
def control_plane_icmpv6_handler(self, in_port, vlan, eth_src, ipv6_pkt,
icmpv6_pkt):
vid = self._vlan_vid(vlan, in_port)
src_ip = ipaddr.IPv6Address(ipv6_pkt.src)
dst_ip = ipaddr.IPv6Address(ipv6_pkt.dst)
icmpv6_type = icmpv6_pkt.type_
ofmsgs = []
if (icmpv6_type == icmpv6.ND_NEIGHBOR_SOLICIT
and vlan.ip_in_controller_subnet(src_ip)):
nd_reply = valve_packet.nd_reply(self.faucet_mac, eth_src, vid,
icmpv6_pkt.data.dst, src_ip,
ipv6_pkt.hop_limit)
ofmsgs.extend([valve_of.packetout(in_port, nd_reply.data)])
ofmsgs.extend(self._add_host_fib_route(vlan, src_ip))
elif (icmpv6_type == icmpv6.ND_NEIGHBOR_ADVERT
and vlan.ip_in_controller_subnet(src_ip)):
resolved_ip_gw = ipaddr.IPv6Address(icmpv6_pkt.data.dst)
self.logger.info('ND response %s for %s', eth_src, resolved_ip_gw)
ofmsgs.extend(self._update_nexthop(vlan, eth_src, resolved_ip_gw))
elif icmpv6_type == icmpv6.ICMPV6_ECHO_REQUEST:
icmpv6_echo_reply = valve_packet.icmpv6_echo_reply(
self.faucet_mac, eth_src, vid, dst_ip, src_ip,
ipv6_pkt.hop_limit, icmpv6_pkt.data.id, icmpv6_pkt.data.seq,
icmpv6_pkt.data.data)
ofmsgs.extend(
[valve_of.packetout(in_port, icmpv6_echo_reply.data)])
return ofmsgs
def control_plane_icmpv6_handler(self, in_port, vlan, eth_src,
ipv6_pkt, icmpv6_pkt):
vid = self._vlan_vid(vlan, in_port)
src_ip = ipaddr.IPv6Address(ipv6_pkt.src)
dst_ip = ipaddr.IPv6Address(ipv6_pkt.dst)
icmpv6_type = icmpv6_pkt.type_
ofmsgs = []
if (icmpv6_type == icmpv6.ND_NEIGHBOR_SOLICIT and
vlan.ip_in_controller_subnet(src_ip)):
nd_reply = valve_packet.nd_reply(
self.faucet_mac, eth_src, vid,
icmpv6_pkt.data.dst, src_ip, ipv6_pkt.hop_limit)
ofmsgs.extend([valve_of.packetout(in_port, nd_reply.data)])
ofmsgs.extend(self._add_host_fib_route(vlan, src_ip))
elif (icmpv6_type == icmpv6.ND_NEIGHBOR_ADVERT and
vlan.ip_in_controller_subnet(src_ip)):
resolved_ip_gw = ipaddr.IPv6Address(icmpv6_pkt.data.dst)
self.logger.info('ND response %s for %s', eth_src, resolved_ip_gw)
ofmsgs.extend(self._update_nexthop(vlan, eth_src, resolved_ip_gw))
elif icmpv6_type == icmpv6.ICMPV6_ECHO_REQUEST:
icmpv6_echo_reply = valve_packet.icmpv6_echo_reply(
self.faucet_mac, eth_src, vid,
dst_ip, src_ip, ipv6_pkt.hop_limit,
icmpv6_pkt.data.id, icmpv6_pkt.data.seq, icmpv6_pkt.data.data)
ofmsgs.extend([valve_of.packetout(in_port, icmpv6_echo_reply.data)])
return ofmsgs
def _control_plane_icmpv6_handler(self, pkt_meta, ipv6_pkt, icmpv6_pkt):
vlan = pkt_meta.vlan
src_ip = ipaddr.IPv6Address(ipv6_pkt.src)
dst_ip = ipaddr.IPv6Address(ipv6_pkt.dst)
icmpv6_type = icmpv6_pkt.type_
ofmsgs = []
if vlan.ip_in_vip_subnet(src_ip):
in_port = pkt_meta.port.number
vid = self._vlan_vid(vlan, in_port)
eth_src = pkt_meta.eth_src
if icmpv6_type == icmpv6.ND_NEIGHBOR_SOLICIT:
solicited_ip = icmpv6_pkt.data.dst
if vlan.is_faucet_vip(ipaddr.IPAddress(solicited_ip)):
nd_reply = valve_packet.nd_reply(
self.faucet_mac, eth_src, vid,
solicited_ip, src_ip, ipv6_pkt.hop_limit)
ofmsgs.extend(
self._add_host_fib_route(vlan, src_ip))
ofmsgs.append(
valve_of.packetout(in_port, nd_reply.data))
self.logger.info(
'Responded to ND solicit for %s to %s (%s)',
solicited_ip, src_ip, eth_src)
elif icmpv6_type == icmpv6.ND_NEIGHBOR_ADVERT:
ofmsgs.extend(self._update_nexthop(
vlan, in_port, eth_src, src_ip))
self.logger.info(
'ND advert %s (%s)', src_ip, eth_src)
elif vlan.from_connected_to_vip(src_ip, dst_ip):
if (icmpv6_type == icmpv6.ICMPV6_ECHO_REQUEST and
pkt_meta.eth_dst == self.faucet_mac):
icmpv6_echo_reply = valve_packet.icmpv6_echo_reply(
self.faucet_mac, eth_src, vid,
dst_ip, src_ip, ipv6_pkt.hop_limit,
icmpv6_pkt.data.id, icmpv6_pkt.data.seq,
icmpv6_pkt.data.data)
ofmsgs.append(
valve_of.packetout(in_port, icmpv6_echo_reply.data))
return ofmsgs