class VppIpInterfaceAddress(VppObject): def __init__(self, test, intf, addr, len): self._test = test self.intf = intf self.prefix = VppIpPrefix(addr, len) def add_vpp_config(self): self._test.vapi.sw_interface_add_del_address( sw_if_index=self.intf.sw_if_index, prefix=self.prefix.encode(), is_add=1) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.sw_interface_add_del_address( sw_if_index=self.intf.sw_if_index, prefix=self.prefix.encode(), is_add=0) def query_vpp_config(self): return fib_interface_ip_prefix(self._test, self.prefix.address, self.prefix.length, self.intf.sw_if_index) def object_id(self): return "interface-ip-%s-%s" % (self.intf, self.prefix)
class VppMplsIpBind(VppObject): """ MPLS to IP Binding """ def __init__(self, test, local_label, dest_addr, dest_addr_len, table_id=0, ip_table_id=0, is_ip6=0): self._test = test self.dest_addr_len = dest_addr_len self.dest_addr = dest_addr self.ip_addr = ip_address(text_type(dest_addr)) self.local_label = local_label self.table_id = table_id self.ip_table_id = ip_table_id self.prefix = VppIpPrefix(dest_addr, dest_addr_len) def add_vpp_config(self): self._test.vapi.mpls_ip_bind_unbind(self.local_label, self.prefix.encode(), table_id=self.table_id, ip_table_id=self.ip_table_id) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.mpls_ip_bind_unbind(self.local_label, self.prefix.encode(), table_id=self.table_id, ip_table_id=self.ip_table_id, is_bind=0) def query_vpp_config(self): dump = self._test.vapi.mpls_route_dump(self.table_id) for e in dump: if self.local_label == e.mr_route.mr_label \ and self.table_id == e.mr_route.mr_table_id: return True return False def object_id(self): return ("%d:%s binds %d:%s/%d" % (self.table_id, self.local_label, self.ip_table_id, self.dest_addr, self.dest_addr_len))
class VppIpRoute(VppObject): """ IP Route """ def __init__(self, test, dest_addr, dest_addr_len, paths, table_id=0, register=True): self._test = test self.paths = paths self.table_id = table_id self.prefix = VppIpPrefix(dest_addr, dest_addr_len) self.register = register self.stats_index = None self.modified = False self.encoded_paths = [] for path in self.paths: self.encoded_paths.append(path.encode()) def __eq__(self, other): if self.table_id == other.table_id and \ self.prefix == other.prefix: return True return False def modify(self, paths): self.paths = paths self.encoded_paths = [] for path in self.paths: self.encoded_paths.append(path.encode()) self.modified = True self._test.vapi.ip_route_add_del(route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len( self.encoded_paths), 'paths': self.encoded_paths, }, is_add=1, is_multipath=0) def add_vpp_config(self): r = self._test.vapi.ip_route_add_del( route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len(self.encoded_paths), 'paths': self.encoded_paths, }, is_add=1, is_multipath=0) self.stats_index = r.stats_index if self.register: self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): # there's no need to issue different deletes for modified routes # we do this only to test the two different ways to delete routes # eiter by passing all the paths to remove and mutlipath=1 or # passing no paths and multipath=0 if self.modified: self._test.vapi.ip_route_add_del( route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len( self.encoded_paths), 'paths': self.encoded_paths}, is_add=0, is_multipath=1) else: self._test.vapi.ip_route_add_del( route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': 0}, is_add=0, is_multipath=0) def query_vpp_config(self): return find_route(self._test, self.prefix.address, self.prefix.len, self.table_id) def object_id(self): return ("%s:table-%d-%s/%d" % ( 'ip6-route' if self.prefix.addr.version == 6 else 'ip-route', self.table_id, self.prefix.address, self.prefix.len)) def get_stats_to(self): c = self._test.statistics.get_counter("/net/route/to") return c[0][self.stats_index] def get_stats_via(self): c = self._test.statistics.get_counter("/net/route/via") return c[0][self.stats_index]
class VppMemif(VppObject): def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0, socket_id=0, secret="", ring_size=0, buffer_size=0, hw_addr=""): self._test = test self.role = role self.mode = mode self.rx_queues = rx_queues self.tx_queues = tx_queues self.if_id = if_id self.socket_id = socket_id self.secret = secret self.ring_size = ring_size self.buffer_size = buffer_size self.hw_addr = hw_addr self.sw_if_index = None self.ip_prefix = VppIpPrefix( "192.168.%d.%d" % (self.if_id + 1, self.role + 1), 24) def add_vpp_config(self): rv = self._test.vapi.memif_create(role=self.role, mode=self.mode, rx_queues=self.rx_queues, tx_queues=self.tx_queues, id=self.if_id, socket_id=self.socket_id, secret=self.secret, ring_size=self.ring_size, buffer_size=self.buffer_size, hw_addr=self.hw_addr) try: self.sw_if_index = 0 except AttributeError: raise AttributeError('self: %s' % self.__dict__) try: self.sw_if_index = rv.sw_if_index except AttributeError: raise AttributeError("%s %s", self, rv) return self.sw_if_index def admin_up(self): if self.sw_if_index: return self._test.vapi.sw_interface_set_flags( sw_if_index=self.sw_if_index, flags=1) def admin_down(self): if self.sw_if_index: return self._test.vapi.sw_interface_set_flags( sw_if_index=self.sw_if_index, flags=0) def wait_for_link_up(self, timeout, step=1): if not self.sw_if_index: return False while True: dump = self.query_vpp_config() f = VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_LINK_UP if dump.flags & f: return True self._test.sleep(step) timeout -= step if timeout <= 0: return False def config_ip4(self): return self._test.vapi.sw_interface_add_del_address( sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode()) def remove_vpp_config(self): self._test.vapi.memif_delete(self.sw_if_index) self.sw_if_index = None def query_vpp_config(self): if not self.sw_if_index: return None dump = self._test.vapi.memif_dump() return get_if_dump(dump, self.sw_if_index) def object_id(self): if self.sw_if_index: return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index) else: return "%d:%d:None" % (self.role, self.if_id)
class VppInterface(object): """Generic VPP interface.""" @property def sw_if_index(self): """Interface index assigned by VPP.""" return self._sw_if_index @property def remote_mac(self): """MAC-address of the remote interface "connected" to this interface""" return self._remote_hosts[0].mac @property def local_mac(self): """MAC-address of the VPP interface.""" return self._local_mac @property def local_addr(self): return self._local_addr @property def remote_addr(self): return self._remote_addr @property def local_ip4(self): """Local IPv4 address on VPP interface (string).""" return self._local_ip4.address @local_ip4.setter def local_ip4(self, value): self._local_ip4.address = value @property def local_ip4_prefix_len(self): """Local IPv4 prefix length """ return self._local_ip4.len @local_ip4_prefix_len.setter def local_ip4_prefix_len(self, value): self._local_ip4.len = value @property def local_ip4_prefix(self): """Local IPv4 prefix """ return self._local_ip4 @property def local_ip4n(self): """DEPRECATED """ """Local IPv4 address - raw, suitable as API parameter.""" return socket.inet_pton(socket.AF_INET, self._local_ip4.address) @property def remote_ip4(self): """IPv4 address of remote peer "connected" to this interface.""" return self._remote_hosts[0].ip4 @property def remote_ip4n(self): """DEPRECATED """ """Local IPv6 address - raw, suitable as API parameter.""" return socket.inet_pton(socket.AF_INET, self._remote_hosts[0].ip4) @property def local_ip6(self): """Local IPv6 address on VPP interface (string).""" return self._local_ip6.address @local_ip6.setter def local_ip6(self, value): self._local_ip6.address = value @property def local_ip6_prefix_len(self): """Local IPv6 prefix length """ return self._local_ip6.len @local_ip6_prefix_len.setter def local_ip6_prefix_len(self, value): self._local_ip6.len = value @property def local_ip6_prefix(self): """Local IPv6 prefix """ return self._local_ip6 @property def local_ip6n(self): """DEPRECATED """ """Local IPv6 address - raw, suitable as API parameter.""" return socket.inet_pton(socket.AF_INET6, self._local_ip6.address) @property def remote_ip6(self): """IPv6 address of remote peer "connected" to this interface.""" return self._remote_hosts[0].ip6 @property def remote_ip6n(self): """DEPRECATED """ """Local IPv6 address - raw, suitable as API parameter.""" return socket.inet_pton(socket.AF_INET6, self._remote_hosts[0].ip6) @property def local_ip6_ll(self): """Local IPv6 link-local address on VPP interface (string).""" return self._local_ip6_ll.address @property def local_ip6n_ll(self): """DEPRECATED """ """Local IPv6 link-local address on VPP interface (string).""" return socket.inet_pton(socket.AF_INET6, self._local_ip6_ll.address) @property def remote_ip6_ll(self): """Link-local IPv6 address of remote peer "connected" to this interface.""" return self._remote_ip6_ll @property def remote_ip6n_ll(self): """DEPRECATED """ """Local IPv6 link-local address on VPP interface (string).""" return socket.inet_pton(socket.AF_INET6, self._remote_ip6_ll) @property def name(self): """Name of the interface.""" return self._name @property def dump(self): """RAW result of sw_interface_dump for this interface.""" return self._dump @property def test(self): """Test case creating this interface.""" return self._test @property def remote_hosts(self): """Remote hosts list""" return self._remote_hosts @remote_hosts.setter def remote_hosts(self, value): """ :param list value: List of remote hosts. """ self._remote_hosts = value self._hosts_by_mac = {} self._hosts_by_ip4 = {} self._hosts_by_ip6 = {} for host in self._remote_hosts: self._hosts_by_mac[host.mac] = host self._hosts_by_ip4[host.ip4] = host self._hosts_by_ip6[host.ip6] = host def host_by_mac(self, mac): """ :param mac: MAC address to find host by. :return: Host object assigned to interface. """ return self._hosts_by_mac[mac] def host_by_ip4(self, ip): """ :param ip: IPv4 address to find host by. :return: Host object assigned to interface. """ return self._hosts_by_ip4[ip] def host_by_ip6(self, ip): """ :param ip: IPv6 address to find host by. :return: Host object assigned to interface. """ return self._hosts_by_ip6[ip] def generate_remote_hosts(self, count=1): """Generate and add remote hosts for the interface. :param int count: Number of generated remote hosts. """ self._remote_hosts = [] self._hosts_by_mac = {} self._hosts_by_ip4 = {} self._hosts_by_ip6 = {} for i in range( 2, count + 2): # 0: network address, 1: local vpp address mac = "02:%02x:00:00:ff:%02x" % (self.sw_if_index, i) ip4 = "172.16.%u.%u" % (self.sw_if_index, i) ip6 = "fd01:%x::%x" % (self.sw_if_index, i) ip6_ll = mk_ll_addr(mac) host = Host(mac, ip4, ip6, ip6_ll) self._remote_hosts.append(host) self._hosts_by_mac[mac] = host self._hosts_by_ip4[ip4] = host self._hosts_by_ip6[ip6] = host @abc.abstractmethod def __init__(self, test): self._test = test self._remote_hosts = [] self._hosts_by_mac = {} self._hosts_by_ip4 = {} self._hosts_by_ip6 = {} def set_mac(self, mac): self._local_mac = str(mac) self._local_ip6_ll = VppIpAddress(mk_ll_addr(self._local_mac)) self.test.vapi.sw_interface_set_mac_address( self.sw_if_index, mac.packed) def set_sw_if_index(self, sw_if_index): self._sw_if_index = sw_if_index self.generate_remote_hosts() self._local_ip4 = VppIpPrefix("172.16.%u.1" % self.sw_if_index, 24) self._local_ip4_subnet = "172.16.%u.0" % self.sw_if_index self._local_ip4_bcast = "172.16.%u.255" % self.sw_if_index self.has_ip4_config = False self.ip4_table_id = 0 self._local_ip6 = VppIpPrefix("fd01:%x::1" % self.sw_if_index, 64) self.has_ip6_config = False self.ip6_table_id = 0 self._local_addr = {socket.AF_INET: self.local_ip4, socket.AF_INET6: self.local_ip6} self._remote_addr = {socket.AF_INET: self.remote_ip4, socket.AF_INET6: self.remote_ip6} r = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index) for intf in r: if intf.sw_if_index == self.sw_if_index: self._name = intf.interface_name.split(b'\0', 1)[0].decode('utf8') self._local_mac = bytes(intf.l2_address) self._dump = intf break else: raise Exception( "Could not find interface with sw_if_index %d " "in interface dump %s" % (self.sw_if_index, moves.reprlib.repr(r))) self._local_ip6_ll = VppIpAddress(mk_ll_addr(self.local_mac)) self._remote_ip6_ll = mk_ll_addr(self.remote_mac) def config_ip4(self): """Configure IPv4 address on the VPP interface.""" self.test.vapi.sw_interface_add_del_address( sw_if_index=self.sw_if_index, prefix=self._local_ip4.encode()) self.has_ip4_config = True def unconfig_ip4(self): """Remove IPv4 address on the VPP interface.""" try: if self.has_ip4_config: self.test.vapi.sw_interface_add_del_address( sw_if_index=self.sw_if_index, prefix=self._local_ip4.encode(), is_add=0) except AttributeError: self.has_ip4_config = False self.has_ip4_config = False def configure_ipv4_neighbors(self): """For every remote host assign neighbor's MAC to IPv4 addresses. :param vrf_id: The FIB table / VRF ID. (Default value = 0) """ for host in self._remote_hosts: self.test.vapi.ip_neighbor_add_del(self.sw_if_index, host.mac, host.ip4) def config_ip6(self): """Configure IPv6 address on the VPP interface.""" self.test.vapi.sw_interface_add_del_address( sw_if_index=self.sw_if_index, prefix=self._local_ip6.encode()) self.has_ip6_config = True def unconfig_ip6(self): """Remove IPv6 address on the VPP interface.""" try: if self.has_ip6_config: self.test.vapi.sw_interface_add_del_address( sw_if_index=self.sw_if_index, prefix=self._local_ip6.encode(), is_add=0) except AttributeError: self.has_ip6_config = False self.has_ip6_config = False def configure_ipv6_neighbors(self): """For every remote host assign neighbor's MAC to IPv6 addresses. :param vrf_id: The FIB table / VRF ID. (Default value = 0) """ for host in self._remote_hosts: self.test.vapi.ip_neighbor_add_del(self.sw_if_index, host.mac, host.ip6) def unconfig(self): """Unconfigure IPv6 and IPv4 address on the VPP interface.""" self.unconfig_ip4() self.unconfig_ip6() def set_table_ip4(self, table_id): """Set the interface in a IPv4 Table. .. note:: Must be called before configuring IP4 addresses. """ self.ip4_table_id = table_id self.test.vapi.sw_interface_set_table( self.sw_if_index, 0, self.ip4_table_id) def set_table_ip6(self, table_id): """Set the interface in a IPv6 Table. .. note:: Must be called before configuring IP6 addresses. """ self.ip6_table_id = table_id self.test.vapi.sw_interface_set_table( self.sw_if_index, 1, self.ip6_table_id) def disable_ipv6_ra(self): """Configure IPv6 RA suppress on the VPP interface.""" self.test.vapi.sw_interface_ip6nd_ra_config( sw_if_index=self.sw_if_index, suppress=1) def ip6_ra_config(self, no=0, suppress=0, send_unicast=0): """Configure IPv6 RA suppress on the VPP interface.""" self.test.vapi.sw_interface_ip6nd_ra_config( sw_if_index=self.sw_if_index, is_no=no, suppress=suppress, send_unicast=send_unicast) def ip6_ra_prefix(self, prefix, is_no=0, off_link=0, no_autoconfig=0, use_default=0): """Configure IPv6 RA suppress on the VPP interface. prefix can be a string in the format of '<address>/<length_in_bits>' or ipaddress.ipnetwork object (if strict.)""" self.test.vapi.sw_interface_ip6nd_ra_prefix( sw_if_index=self.sw_if_index, prefix=prefix, use_default=use_default, off_link=off_link, no_autoconfig=no_autoconfig, is_no=is_no) def admin_up(self): """Put interface ADMIN-UP.""" self.test.vapi.sw_interface_set_flags( self.sw_if_index, flags=VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_ADMIN_UP) def admin_down(self): """Put interface ADMIN-down.""" self.test.vapi.sw_interface_set_flags(self.sw_if_index, flags=0) def link_up(self): """Put interface link-state-UP.""" self.test.vapi.cli("test interface link-state %s up" % self.name) def link_down(self): """Put interface link-state-down.""" self.test.vapi.cli("test interface link-state %s down" % self.name) def ip6_enable(self): """IPv6 Enable interface""" self.test.vapi.sw_interface_ip6_enable_disable(self.sw_if_index, enable=1) def ip6_disable(self): """Put interface ADMIN-DOWN.""" self.test.vapi.sw_interface_ip6_enable_disable(self.sw_if_index, enable=0) def add_sub_if(self, sub_if): """Register a sub-interface with this interface. :param sub_if: sub-interface """ if not hasattr(self, 'sub_if'): self.sub_if = sub_if else: if isinstance(self.sub_if, list): self.sub_if.append(sub_if) else: self.sub_if = sub_if def enable_mpls(self): """Enable MPLS on the VPP interface.""" self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index) def disable_mpls(self): """Enable MPLS on the VPP interface.""" self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index, 0) def is_ip4_entry_in_fib_dump(self, dump): for i in dump: n = IPv4Network(text_type("%s/%d" % (self.local_ip4, self.local_ip4_prefix_len))) if i.route.prefix == n and \ i.route.table_id == self.ip4_table_id: return True return False def set_unnumbered(self, ip_sw_if_index): """ Set the interface to unnumbered via ip_sw_if_index """ self.test.vapi.sw_interface_set_unnumbered(ip_sw_if_index, self.sw_if_index) def unset_unnumbered(self, ip_sw_if_index): """ Unset the interface to unnumbered via ip_sw_if_index """ self.test.vapi.sw_interface_set_unnumbered(ip_sw_if_index, self.sw_if_index, is_add=0) def set_proxy_arp(self, enable=1): """ Set the interface to enable/disable Proxy ARP """ self.test.vapi.proxy_arp_intfc_enable_disable( self.sw_if_index, enable) def query_vpp_config(self): dump = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index) return self.is_interface_config_in_dump(dump) def get_interface_config_from_dump(self, dump): for i in dump: if i.interface_name.rstrip(' \t\r\n\0') == self.name and \ i.sw_if_index == self.sw_if_index: return i else: return None def is_interface_config_in_dump(self, dump): return self.get_interface_config_from_dump(dump) is not None def assert_interface_state(self, admin_up_down, link_up_down, expect_event=False): if expect_event: event = self.test.vapi.wait_for_event(timeout=1, name='sw_interface_event') self.test.assert_equal(event.sw_if_index, self.sw_if_index, "sw_if_index") self.test.assert_equal((event.flags & 1), admin_up_down, "admin state") self.test.assert_equal((event.flags & 2), link_up_down, "link state") dump = self.test.vapi.sw_interface_dump() if_state = self.get_interface_config_from_dump(dump) self.test.assert_equal((if_state.flags & 1), admin_up_down, "admin state") self.test.assert_equal((if_state.flags & 2), link_up_down, "link state") def __str__(self): return self.name def get_rx_stats(self): c = self.test.statistics.get_counter("^/if/rx$") return c[0][self.sw_if_index] def get_tx_stats(self): c = self.test.statistics.get_counter("^/if/tx$") return c[0][self.sw_if_index]
class VppIpRoute(VppObject): """ IP Route """ def __init__(self, test, dest_addr, dest_addr_len, paths, table_id=0, register=True): self._test = test self.paths = paths self.table_id = table_id self.prefix = VppIpPrefix(dest_addr, dest_addr_len) self.register = register self.encoded_paths = [] for path in self.paths: self.encoded_paths.append(path.encode()) def __eq__(self, other): if self.table_id == other.table_id and \ self.prefix == other.prefix: return True return False def modify(self, paths): self.paths = paths self.encoded_paths = [] for path in self.paths: self.encoded_paths.append(path.encode()) self._test.vapi.ip_route_add_del(route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len( self.encoded_paths), 'paths': self.encoded_paths, }, is_add=1, is_multipath=0) def add_vpp_config(self): r = self._test.vapi.ip_route_add_del( route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len(self.encoded_paths), 'paths': self.encoded_paths, }, is_add=1, is_multipath=0) self.stats_index = r.stats_index if self.register: self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.ip_route_add_del(route={'table_id': self.table_id, 'prefix': self.prefix.encode(), 'n_paths': len( self.encoded_paths), 'paths': self.encoded_paths, }, is_add=0, is_multipath=0) def query_vpp_config(self): return find_route(self._test, self.prefix.address, self.prefix.len, self.table_id) def object_id(self): return ("%d:%s/%d" % (self.table_id, self.prefix.address, self.prefix.len)) def get_stats_to(self): c = self._test.statistics.get_counter("/net/route/to") return c[0][self.stats_index] def get_stats_via(self): c = self._test.statistics.get_counter("/net/route/via") return c[0][self.stats_index]