def get_of_match_field(ofparser, s):
'''
Creates OF macth field from service openflow section
'''
match = ofparser.OFPMatch()
if s.in_port is not None:
match.set_in_port(s.in_port)
if s.in_phy_port is not None:
match.set_in_phy_port(s.in_phy_port)
if s.metadata is not None:
match.set_metadata(s.metadata)
if s.eth_dst is not None:
match.set_dl_dst(s.eth_dst)
if s.eth_src is not None:
match.set_dl_src(s.eth_src)
if s.eth_type is not None:
match.set_dl_type(util.string_to_hexa(s.eth_type))
if s.vlan_vID is not None:
match.set_vlan_vid(int(s.vlan_vID, 16))
if s.vlan_PCP is not None:
match.set_vlan_pcp(int(s.vlan_PCP, 16))
if s.IP_dscp is not None:
match.set_ip_dscp(s.IP_dscp)
if s.IP_ecn is not None:
match.set_ip_ecn(s.IP_ecn)
if s.IP_proto is not None:
match.set_ip_proto(int(s.IP_proto, 16))
if s.IPv4_src is not None:
ip_src, ip_mask_src = stringToIPAddress(s.IPv4_src)
match.set_ipv4_src_masked(ip_src, ip_mask_src)
if s.IPv4_dst is not None:
ip_dst, ip_mask_dst = stringToIPAddress(s.IPv4_dst)
match.set_ipv4_dst_masked(ip_dst, ip_mask_dst)
if s.TCP_src is not None:
match.set_tcp_src(int(s.TCP_src))
if s.TCP_dst is not None:
match.set_tcp_dst(int(s.TCP_dst))
if s.UDP_src is not None:
match.set_udp_src(int(s.UDP_src))
if s.UDP_dst is not None:
match.set_udp_dst(int(s.UDP_dst))
if s.SCTP_src is not None:
match.set_sctp_src(s.SCTP_src)
if s.SCTP_dst is not None:
match.set_sctp_dst(s.SCTP_dst)
if s.ICMPv4_type is not None:
match.set_icmpv4_type(s.ICMPv4_type)
if s.ICMPv4_code is not None:
match.set_icmpv4_code(s.ICMPv4_code)
if s.ARP_op is not None:
match.set_arp_opcode(s.ARP_op)
if s.ARP_spa is not None:
arp_spa, arp_mask_src = stringToIPAddress(s.ARP_spa)
match.set_arp_spa_masked(arp_spa, arp_mask_src)
if s.ARP_tpa is not None:
arp_tpa, arp_mask_dst = stringToIPAddress(s.ARP_tpa)
match.set_arp_tpa_masked(arp_tpa, arp_mask_dst)
if s.ARP_sha is not None:
match.set_arp_sha(s.ARP_sha)
if s.ARP_tha is not None:
match.set_arp_tha(s.ARP_tha)
if s.IPv6_src is not None:
match.set_ipv6_src(s.IPv6_src)
if s.IPv6_dst is not None:
match.set_ipv6_dst(s.IPv6_dst)
if s.IPv6_flabel is not None:
match.set_ipv6_flabel(s.IPv6_flabel)
if s.ICMPv6_type is not None:
match.set_icmpv6_type(s.ICMPv6_type)
if s.ICMPv6_code is not None:
match.set_icmpv6_code(s.ICMPv6_code)
if s.IPv6_nd_target is not None:
match.set_ipv6_nd_target(s.IPv6_nd_target)
if s.IPv6_nd_ssl is not None:
match.set_ipv6_nd_sll(s.IPv6_nd_ssl)
if s.IPv6_nd_tll is not None:
match.set_ipv6_nd_tll(s.IPv6_nd_tll)
if s.MPLS_label is not None:
match.set_mpls_label(s.MPLS_label)
if s.MPLS_tc is not None:
match.set_mpls_tc(s.MPLS_tc)
if s.MPLS_bos is not None:
match.set_mpls_bos(s.MPLS_bos)
if s.PBB_is_id is not None:
match.set_pbb_isid(s.PBB_is_id)
if s.tunnel_id is not None:
match.set_tunnel_id(s.tunnel_id)
if s.IPv6_txhdr is not None:
match.set_ipv6_exthdr(s.IPv6_txhdr)
return match
def get_of_match_field(ofparser, s):
'''
Creates OF macth field from service openflow section
'''
match = ofparser.OFPMatch()
if s.in_port is not None:
match.set_in_port(s.in_port)
if s.in_phy_port is not None:
match.set_in_phy_port(s.in_phy_port)
if s.metadata is not None:
match.set_metadata(s.metadata)
if s.eth_dst is not None:
match.set_dl_dst(s.eth_dst)
if s.eth_src is not None:
match.set_dl_src(s.eth_src)
if s.eth_type is not None:
match.set_dl_type(util.string_to_hexa(s.eth_type))
if s.vlan_vID is not None:
match.set_vlan_vid(int(s.vlan_vID, 16))
if s.vlan_PCP is not None:
match.set_vlan_pcp(int(s.vlan_PCP, 16))
if s.IP_dscp is not None:
match.set_ip_dscp(s.IP_dscp)
if s.IP_ecn is not None:
match.set_ip_ecn(s.IP_ecn)
if s.IP_proto is not None:
match.set_ip_proto(int(s.IP_proto, 16))
if s.IPv4_src is not None:
ip_src, ip_mask_src = stringToIPAddress(s.IPv4_src)
match.set_ipv4_src_masked(ip_src, ip_mask_src)
if s.IPv4_dst is not None:
ip_dst, ip_mask_dst = stringToIPAddress(s.IPv4_dst)
match.set_ipv4_dst_masked(ip_dst, ip_mask_dst)
if s.TCP_src is not None:
match.set_tcp_src(int(s.TCP_src))
if s.TCP_dst is not None:
match.set_tcp_dst(int(s.TCP_dst))
if s.UDP_src is not None:
match.set_udp_src(int(s.UDP_src))
if s.UDP_dst is not None:
match.set_udp_dst(int(s.UDP_dst))
if s.SCTP_src is not None:
match.set_sctp_src(s.SCTP_src)
if s.SCTP_dst is not None:
match.set_sctp_dst(s.SCTP_dst)
if s.ICMPv4_type is not None:
match.set_icmpv4_type(s.ICMPv4_type)
if s.ICMPv4_code is not None:
match.set_icmpv4_code(s.ICMPv4_code)
if s.ARP_op is not None:
match.set_arp_opcode(s.ARP_op)
if s.ARP_spa is not None:
arp_spa, arp_mask_src = stringToIPAddress(s.ARP_spa)
match.set_arp_spa_masked(arp_spa, arp_mask_src)
if s.ARP_tpa is not None:
arp_tpa, arp_mask_dst = stringToIPAddress(s.ARP_tpa)
match.set_arp_tpa_masked(arp_tpa, arp_mask_dst)
if s.ARP_sha is not None:
match.set_arp_sha(s.ARP_sha)
if s.ARP_tha is not None:
match.set_arp_tha(s.ARP_tha)
if s.IPv6_src is not None:
match.set_ipv6_src(s.IPv6_src)
if s.IPv6_dst is not None:
match.set_ipv6_dst(s.IPv6_dst)
if s.IPv6_flabel is not None:
match.set_ipv6_flabel(s.IPv6_flabel)
if s.ICMPv6_type is not None:
match.set_icmpv6_type(s.ICMPv6_type)
if s.ICMPv6_code is not None:
match.set_icmpv6_code(s.ICMPv6_code)
if s.IPv6_nd_target is not None:
match.set_ipv6_nd_target(s.IPv6_nd_target)
if s.IPv6_nd_ssl is not None:
match.set_ipv6_nd_sll(s.IPv6_nd_ssl)
if s.IPv6_nd_tll is not None:
match.set_ipv6_nd_tll(s.IPv6_nd_tll)
if s.MPLS_label is not None:
match.set_mpls_label(s.MPLS_label)
if s.MPLS_tc is not None:
match.set_mpls_tc(s.MPLS_tc)
if s.MPLS_bos is not None:
match.set_mpls_bos(s.MPLS_bos)
if s.PBB_is_id is not None:
match.set_pbb_isid(s.PBB_is_id)
if s.tunnel_id is not None:
match.set_tunnel_id(s.tunnel_id)
if s.IPv6_txhdr is not None:
match.set_ipv6_exthdr(s.IPv6_txhdr)
return match
def install_egress_node_flow_for_service(service,
node,
ovs_port_in,
ovs_port_out,
label_in,
action,
interface=None):
'''
Docs
'''
print 'Install ingress node flow: ' + str(node.router_id)
print '- Input port: ' + str(ovs_port_in)
print '- Output port: ' + str(ovs_port_out)
#Check if node is OF type and the state is OF functional
if node.net_type == 1 and node.of_ready:
#Get access to node datapath
datapath = node.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
#Built OF match field
#match = get_of_match_field(ofparser=parser, s=service
if service.VPN_service_type == 2:
# Para cada etherype del servicio instala un flujo para poner la etieueta mpls
for eth, l in service.labels.iteritems():
match = parser.OFPMatch()
#Modify specific match fields
if ovs_port_in is not None:
match.set_in_port(int(ovs_port_in))
match.set_dl_type(0x8847)
match.set_mpls_bos(1)
#Specify actions
actions = []
if label_in is not None:
match.set_mpls_label(int(l, 16))
if action is not None:
if action.isPOP():
match.set_dl_type(0x8847)
actions.append(
parser.OFPActionPopMpls(util.string_to_hexa(eth)))
#Specify forwarding
if ovs_port_out is not None:
actions.append(parser.OFPActionOutput(int(ovs_port_out)))
inst = []
add_flow(datapath=datapath,
priority=0,
match=match,
actions=actions,
tableid=0)
else:
match = parser.OFPMatch()
#Modify specific match fields
if ovs_port_in is not None:
match.set_in_port(int(ovs_port_in))
match.set_dl_type(0x8847)
match.set_mpls_bos(1)
#Specify actions
actions = []
if label_in is not None:
match.set_mpls_label(int(label_in, 16))
#Specify MPLS label manipulation
if action is not None:
if action.isPOP():
match.set_dl_type(0x8847)
actions.append(
parser.OFPActionPopMpls(
util.string_to_hexa(service.eth_type)))
#Specify forwarding
actions.append(
parser.OFPActionSetField(eth_dst=interface.ce_mac_address))
if ovs_port_out is not None:
actions.append(parser.OFPActionOutput(int(ovs_port_out)))
#actions.append(parser.OFPActionOutput(ofproto.OFPP_NORMAL, 0))
inst = []
add_flow(datapath=datapath,
priority=0,
match=match,
actions=actions,
tableid=0)
def install_egress_node_flow_for_service(service, node, ovs_port_in, ovs_port_out, label_in, action, interface=None):
'''
Docs
'''
print 'Install ingress node flow: ' + str(node.router_id)
print '- Input port: ' + str(ovs_port_in)
print '- Output port: ' + str(ovs_port_out)
#Check if node is OF type and the state is OF functional
if node.net_type == 1 and node.of_ready:
#Get access to node datapath
datapath = node.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
#Built OF match field
#match = get_of_match_field(ofparser=parser, s=service
if service.VPN_service_type == 2:
# Para cada etherype del servicio instala un flujo para poner la etieueta mpls
for eth, l in service.labels.iteritems():
match = parser.OFPMatch()
#Modify specific match fields
if ovs_port_in is not None:
match.set_in_port(int(ovs_port_in))
match.set_dl_type(0x8847)
match.set_mpls_bos(1)
#Specify actions
actions = []
if label_in is not None:
match.set_mpls_label(int(l, 16))
if action is not None:
if action.isPOP():
match.set_dl_type(0x8847)
actions.append(parser.OFPActionPopMpls(util.string_to_hexa(eth)))
#Specify forwarding
if ovs_port_out is not None:
actions.append(parser.OFPActionOutput(int(ovs_port_out)))
inst = []
add_flow(datapath=datapath, priority=0, match=match, actions=actions, tableid=0)
else:
match = parser.OFPMatch()
#Modify specific match fields
if ovs_port_in is not None:
match.set_in_port(int(ovs_port_in))
match.set_dl_type(0x8847)
match.set_mpls_bos(1)
#Specify actions
actions = []
if label_in is not None:
match.set_mpls_label(int(label_in, 16))
#Specify MPLS label manipulation
if action is not None:
if action.isPOP():
match.set_dl_type(0x8847)
actions.append(parser.OFPActionPopMpls(util.string_to_hexa(service.eth_type)))
#Specify forwarding
actions.append(parser.OFPActionSetField(eth_dst=interface.ce_mac_address))
if ovs_port_out is not None:
actions.append(parser.OFPActionOutput(int(ovs_port_out)))
#actions.append(parser.OFPActionOutput(ofproto.OFPP_NORMAL, 0))
inst = []
add_flow(datapath=datapath, priority=0, match=match, actions=actions, tableid=0)