def _get_match_arp_reply(self, arp_tpa, arp_spa, network_id=None):
parser = self.get_datapath().ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_tpa(utils.ipv4_text_to_int(str(arp_tpa)))
match.set_arp_spa(utils.ipv4_text_to_int(str(arp_spa)))
match.set_arp_opcode(arp.ARP_REPLY)
if network_id is not None:
match.set_metadata(network_id)
return match
def _get_match_arp_reply(self, arp_tpa, arp_spa, network_id=None):
parser = self.get_datapath().ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_tpa(utils.ipv4_text_to_int(str(arp_tpa)))
match.set_arp_spa(utils.ipv4_text_to_int(str(arp_spa)))
match.set_arp_opcode(arp.ARP_REPLY)
if network_id is not None:
match.set_metadata(network_id)
return match
def _get_dnat_egress_match(self, floatingip):
_, vm_ip, _, local_network_id = self._get_vm_port_info(floatingip)
parser = self.parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_IP)
match.set_metadata(local_network_id)
match.set_ipv4_src(utils.ipv4_text_to_int(vm_ip))
return match
def _get_match(self):
parser = self.datapath.ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_tpa(utils.ipv4_text_to_int(str(self.interface_ip)))
match.set_arp_opcode(arp.ARP_REQUEST)
if self.network_id is not None:
match.set_metadata(self.network_id)
return match
def _get_match(self):
parser = self.datapath.ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_tpa(utils.ipv4_text_to_int(str(self.interface_ip)))
match.set_arp_opcode(arp.ARP_REQUEST)
if self.network_id is not None:
match.set_metadata(self.network_id)
return match
def _get_match_gratuitous_arp(self, destination_ip, network_id=None):
request_ip = utils.ipv4_text_to_int(str(destination_ip))
parser = self.get_datapath().ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_spa(request_ip)
match.set_arp_tpa(request_ip)
match.set_arp_opcode(arp.ARP_REQUEST)
if network_id is not None:
match.set_metadata(network_id)
return match
def _get_match_gratuitous_arp(self, destination_ip, network_id=None):
request_ip = utils.ipv4_text_to_int(str(destination_ip))
parser = self.get_datapath().ofproto_parser
match = parser.OFPMatch()
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_spa(request_ip)
match.set_arp_tpa(request_ip)
match.set_arp_opcode(arp.ARP_REQUEST)
if network_id is not None:
match.set_metadata(network_id)
return match
def add_arp_flow(self):
# need to get iface number from ovs
ofproto = self.datapath.ofproto
match = self.parser.OFPMatch(in_port=self.mpls_port_id)
match.set_dl_type(ether.ETH_TYPE_ARP)
match.set_arp_tpa(utils.ipv4_text_to_int(self.interface_ip))
match.set_arp_opcode(arp.ARP_REQUEST)
actions = [
self.parser.OFPActionSetField(arp_op=arp.ARP_REPLY),
self.parser.NXActionRegMove(src_field='arp_sha',
dst_field='arp_tha',
n_bits=48),
self.parser.NXActionRegMove(src_field='arp_sha',
dst_field='eth_dst',
n_bits=48),
self.parser.NXActionRegMove(src_field='arp_spa',
dst_field='arp_tpa',
n_bits=32),
self.parser.OFPActionSetField(eth_src=self.mac_address),
self.parser.OFPActionSetField(arp_sha=self.mac_address),
self.parser.OFPActionSetField(arp_spa=self.interface_ip),
self.parser.NXActionRegLoad(dst='in_port',
ofs_nbits=nicira_ext.ofs_nbits(0, 31),
value=0),
self.parser.OFPActionOutput(self.mpls_port_id,
ofproto.OFPCML_NO_BUFFER)
]
inst = [
self.parser.OFPInstructionActions(ofproto.OFPIT_APPLY_ACTIONS,
actions)
]
self.mod_flow(
inst=inst,
match=match,
table_id=const.INGRESS_CLASSIFICATION_DISPATCH_TABLE,
)