def control_plane_icmp_handler(self, in_port, vlan, eth_src, ipv4_pkt,
icmp_pkt):
ofmsgs = []
src_ip = ipaddr.IPv4Address(ipv4_pkt.src)
dst_ip = ipaddr.IPv4Address(ipv4_pkt.dst)
if (icmp_pkt is not None and vlan.ip_in_controller_subnet(src_ip)
and vlan.ip_in_controller_subnet(dst_ip)):
vid = self._vlan_vid(vlan, in_port)
echo_reply = valve_packet.echo_reply(self.faucet_mac, eth_src, vid,
dst_ip, src_ip, icmp_pkt.data)
ofmsgs.append(valve_of.packetout(in_port, echo_reply.data))
return ofmsgs
def control_plane_icmp_handler(self, in_port, vlan, eth_src,
ipv4_pkt, icmp_pkt):
ofmsgs = []
src_ip = ipaddr.IPv4Address(ipv4_pkt.src)
dst_ip = ipaddr.IPv4Address(ipv4_pkt.dst)
if (icmp_pkt is not None and
vlan.ip_in_controller_subnet(src_ip) and
vlan.ip_in_controller_subnet(dst_ip)):
vid = self._vlan_vid(vlan, in_port)
echo_reply = valve_packet.echo_reply(
self.faucet_mac, eth_src, vid, dst_ip, src_ip, icmp_pkt.data)
ofmsgs.append(valve_of.packetout(in_port, echo_reply.data))
return ofmsgs
def _control_plane_icmp_handler(self, pkt_meta, ipv4_pkt, icmp_pkt):
src_ip = ipaddress.IPv4Address(btos(ipv4_pkt.src))
dst_ip = ipaddress.IPv4Address(btos(ipv4_pkt.dst))
vlan = pkt_meta.vlan
icmpv4_type = icmp_pkt.type
ofmsgs = []
if vlan.from_connected_to_vip(src_ip, dst_ip):
if (icmpv4_type == icmp.ICMP_ECHO_REQUEST
and pkt_meta.eth_dst == self.faucet_mac):
port = pkt_meta.port
vid = self._vlan_vid(vlan, port)
echo_reply = valve_packet.echo_reply(vid, self.faucet_mac,
pkt_meta.eth_src, dst_ip,
src_ip, icmp_pkt.data)
ofmsgs.append(valve_of.packetout(port.number, echo_reply.data))
return ofmsgs
def _control_plane_icmp_handler(self, pkt_meta, ipv4_pkt, icmp_pkt):
src_ip = ipaddr.IPv4Address(ipv4_pkt.src)
dst_ip = ipaddr.IPv4Address(ipv4_pkt.dst)
vlan = pkt_meta.vlan
icmpv4_type = icmp_pkt.type
ofmsgs = []
if vlan.from_connected_to_vip(src_ip, dst_ip):
if (icmpv4_type == icmp.ICMP_ECHO_REQUEST and
pkt_meta.eth_dst == self.faucet_mac):
in_port = pkt_meta.port.number
vid = self._vlan_vid(vlan, in_port)
echo_reply = valve_packet.echo_reply(
self.faucet_mac, pkt_meta.eth_src,
vid, dst_ip, src_ip, icmp_pkt.data)
ofmsgs.append(
valve_of.packetout(in_port, echo_reply.data))
return ofmsgs
def _control_plane_icmp_handler(self, pkt_meta, ipv4_pkt):
ofmsgs = []
src_ip = ipaddress.IPv4Address(btos(ipv4_pkt.src))
dst_ip = ipaddress.IPv4Address(btos(ipv4_pkt.dst))
vlan = pkt_meta.vlan
if vlan.from_connected_to_vip(src_ip, dst_ip):
if pkt_meta.eth_dst != vlan.faucet_mac:
return ofmsgs
if ipv4_pkt.proto != inet.IPPROTO_ICMP:
return ofmsgs
pkt_meta.reparse_all()
icmp_pkt = pkt_meta.pkt.get_protocol(icmp.icmp)
if icmp_pkt is None:
return ofmsgs
if icmp_pkt.type == icmp.ICMP_ECHO_REQUEST:
port = pkt_meta.port
vid = self._vlan_vid(vlan, port)
echo_reply = valve_packet.echo_reply(vid, vlan.faucet_mac,
pkt_meta.eth_src, dst_ip,
src_ip, icmp_pkt.data)
ofmsgs.append(valve_of.packetout(port.number, echo_reply.data))
return ofmsgs
