test/vpp_ip_route.py

   1 """
   2   IP Routes
   3
   4   object abstractions for representing IP routes in VPP
   5 """
   6
   7 from vpp_object import VppObject
   8 from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
   9 from vpp_ip import DpoProto, VppIpPrefix, INVALID_INDEX, VppIpAddressUnion, \
  10     VppIpMPrefix
  11 from ipaddress import ip_address, IPv4Network, IPv6Network
  12
  13 # from vnet/vnet/mpls/mpls_types.h
  14 MPLS_IETF_MAX_LABEL = 0xfffff
  15 MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
  16
  17 try:
  18     text_type = unicode
  19 except NameError:
  20     text_type = str
  21
  22
  23 class MRouteItfFlags:
  24     MFIB_ITF_FLAG_NONE = 0
  25     MFIB_ITF_FLAG_NEGATE_SIGNAL = 1
  26     MFIB_ITF_FLAG_ACCEPT = 2
  27     MFIB_ITF_FLAG_FORWARD = 4
  28     MFIB_ITF_FLAG_SIGNAL_PRESENT = 8
  29     MFIB_ITF_FLAG_INTERNAL_COPY = 16
  30
  31
  32 class MRouteEntryFlags:
  33     MFIB_ENTRY_FLAG_NONE = 0
  34     MFIB_ENTRY_FLAG_SIGNAL = 1
  35     MFIB_ENTRY_FLAG_DROP = 2
  36     MFIB_ENTRY_FLAG_CONNECTED = 4
  37     MFIB_ENTRY_FLAG_INHERIT_ACCEPT = 8
  38
  39
  40 class FibPathProto:
  41     FIB_PATH_NH_PROTO_IP4 = 0
  42     FIB_PATH_NH_PROTO_IP6 = 1
  43     FIB_PATH_NH_PROTO_MPLS = 2
  44     FIB_PATH_NH_PROTO_ETHERNET = 3
  45     FIB_PATH_NH_PROTO_BIER = 4
  46     FIB_PATH_NH_PROTO_NSH = 5
  47
  48
  49 class FibPathType:
  50     FIB_PATH_TYPE_NORMAL = 0
  51     FIB_PATH_TYPE_LOCAL = 1
  52     FIB_PATH_TYPE_DROP = 2
  53     FIB_PATH_TYPE_UDP_ENCAP = 3
  54     FIB_PATH_TYPE_BIER_IMP = 4
  55     FIB_PATH_TYPE_ICMP_UNREACH = 5
  56     FIB_PATH_TYPE_ICMP_PROHIBIT = 6
  57     FIB_PATH_TYPE_SOURCE_LOOKUP = 7
  58     FIB_PATH_TYPE_DVR = 8
  59     FIB_PATH_TYPE_INTERFACE_RX = 9
  60     FIB_PATH_TYPE_CLASSIFY = 10
  61
  62
  63 class FibPathFlags:
  64     FIB_PATH_FLAG_NONE = 0
  65     FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED = 1
  66     FIB_PATH_FLAG_RESOLVE_VIA_HOST = 2
  67
  68
  69 class MplsLspMode:
  70     PIPE = 0
  71     UNIFORM = 1
  72
  73
  74 def ip_to_dpo_proto(addr):
  75     if addr.version == 6:
  76         return DpoProto.DPO_PROTO_IP6
  77     else:
  78         return DpoProto.DPO_PROTO_IP4
  79
  80
  81 def address_proto(ip_addr):
  82     if ip_addr.ip_addr.version is 4:
  83         return FibPathProto.FIB_PATH_NH_PROTO_IP4
  84     else:
  85         return FibPathProto.FIB_PATH_NH_PROTO_IP6
  86
  87
  88 def find_route(test, addr, len, table_id=0):
  89     ip_addr = ip_address(text_type(addr))
  90
  91     if 4 is ip_addr.version:
  92         routes = test.vapi.ip_route_dump(table_id, False)
  93         prefix = IPv4Network("%s/%d" % (text_type(addr), len), strict=False)
  94     else:
  95         routes = test.vapi.ip_route_dump(table_id, True)
  96         prefix = IPv6Network("%s/%d" % (text_type(addr), len), strict=False)
  97
  98     for e in routes:
  99         if table_id == e.route.table_id \
 100            and prefix == e.route.prefix:
 101             return True
 102     return False
 103
 104
 105 def find_mroute(test, grp_addr, src_addr, grp_addr_len,
 106                 table_id=0):
 107     ip_mprefix = VppIpMPrefix(text_type(src_addr),
 108                               text_type(grp_addr),
 109                               grp_addr_len)
 110
 111     if 4 is ip_mprefix.version:
 112         routes = test.vapi.ip_mroute_dump(table_id, False)
 113     else:
 114         routes = test.vapi.ip_mroute_dump(table_id, True)
 115
 116     for e in routes:
 117         if table_id == e.route.table_id and ip_mprefix == e.route.prefix:
 118             return True
 119     return False
 120
 121
 122 def find_mpls_route(test, table_id, label, eos_bit, paths=None):
 123     dump = test.vapi.mpls_route_dump(table_id)
 124     for e in dump:
 125         if label == e.mr_route.mr_label \
 126            and eos_bit == e.mr_route.mr_eos \
 127            and table_id == e.mr_route.mr_table_id:
 128             if not paths:
 129                 return True
 130             else:
 131                 if (len(paths) != len(e.mr_route.mr_paths)):
 132                     return False
 133                 for i in range(len(paths)):
 134                     if (paths[i] != e.mr_route.mr_paths[i]):
 135                         return False
 136                 return True
 137     return False
 138
 139
 140 def fib_interface_ip_prefix(test, address, length, sw_if_index):
 141     ip_addr = ip_address(text_type(address))
 142
 143     if 4 is ip_addr.version:
 144         addrs = test.vapi.ip_address_dump(sw_if_index)
 145         prefix = IPv4Network("%s/%d" % (text_type(address), length),
 146                              strict=False)
 147     else:
 148         addrs = test.vapi.ip_address_dump(sw_if_index, is_ipv6=1)
 149         prefix = IPv6Network("%s/%d" % (text_type(address), length),
 150                              strict=False)
 151
 152     # TODO: refactor this to VppIpPrefix.__eq__
 153     for a in addrs:
 154         if a.sw_if_index == sw_if_index and \
 155            a.prefix == prefix:
 156             return True
 157     return False
 158
 159
 160 class VppIpTable(VppObject):
 161
 162     def __init__(self,
 163                  test,
 164                  table_id,
 165                  is_ip6=0):
 166         self._test = test
 167         self.table_id = table_id
 168         self.is_ip6 = is_ip6
 169
 170     def add_vpp_config(self):
 171         self._test.vapi.ip_table_add_del(is_ipv6=self.is_ip6, is_add=1,
 172                                          table_id=self.table_id)
 173         self._test.registry.register(self, self._test.logger)
 174
 175     def remove_vpp_config(self):
 176         self._test.vapi.ip_table_add_del(is_ipv6=self.is_ip6, is_add=0,
 177                                          table_id=self.table_id)
 178
 179     def query_vpp_config(self):
 180         if self.table_id == 0:
 181             # the default table always exists
 182             return False
 183         # find the default route
 184         return find_route(self._test,
 185                           "::" if self.is_ip6 else "0.0.0.0",
 186                           0,
 187                           self.table_id)
 188
 189     def object_id(self):
 190         return ("table-%s-%d" %
 191                 ("v6" if self.is_ip6 == 1 else "v4",
 192                  self.table_id))
 193
 194
 195 class VppIpInterfaceAddress(VppObject):
 196
 197     def __init__(self, test, intf, addr, len):
 198         self._test = test
 199         self.intf = intf
 200         self.prefix = VppIpPrefix(addr, len)
 201
 202     def add_vpp_config(self):
 203         self._test.vapi.sw_interface_add_del_address(
 204             sw_if_index=self.intf.sw_if_index, address=self.prefix.bytes,
 205             address_length=self.prefix.length, is_ipv6=self.prefix.is_ip6,
 206             is_add=1)
 207         self._test.registry.register(self, self._test.logger)
 208
 209     def remove_vpp_config(self):
 210         self._test.vapi.sw_interface_add_del_address(
 211             sw_if_index=self.intf.sw_if_index, address=self.prefix.bytes,
 212             address_length=self.prefix.length, is_ipv6=self.prefix.is_ip6,
 213             is_add=0)
 214
 215     def query_vpp_config(self):
 216         return fib_interface_ip_prefix(self._test,
 217                                        self.prefix.address,
 218                                        self.prefix.length,
 219                                        self.intf.sw_if_index)
 220
 221     def object_id(self):
 222         return "interface-ip-%s-%s" % (self.intf, self.prefix)
 223
 224
 225 class VppIpInterfaceBind(VppObject):
 226
 227     def __init__(self, test, intf, table):
 228         self._test = test
 229         self.intf = intf
 230         self.table = table
 231
 232     def add_vpp_config(self):
 233         if self.table.is_ip6:
 234             self.intf.set_table_ip6(self.table.table_id)
 235         else:
 236             self.intf.set_table_ip4(self.table.table_id)
 237         self._test.registry.register(self, self._test.logger)
 238
 239     def remove_vpp_config(self):
 240         if 0 == self.table.table_id:
 241             return
 242         if self.table.is_ip6:
 243             self.intf.set_table_ip6(0)
 244         else:
 245             self.intf.set_table_ip4(0)
 246
 247     def query_vpp_config(self):
 248         if 0 == self.table.table_id:
 249             return False
 250         return self._test.vapi.sw_interface_get_table(
 251             self.intf.sw_if_index,
 252             self.table.is_ip6).vrf_id == self.table.table_id
 253
 254     def object_id(self):
 255         return "interface-bind-%s-%s" % (self.intf, self.table)
 256
 257
 258 class VppMplsLabel(object):
 259     def __init__(self, value, mode=MplsLspMode.PIPE, ttl=64, exp=0):
 260         self.value = value
 261         self.mode = mode
 262         self.ttl = ttl
 263         self.exp = exp
 264
 265     def encode(self):
 266         is_uniform = 0 if self.mode is MplsLspMode.PIPE else 1
 267         return {'label': self.value,
 268                 'ttl': self.ttl,
 269                 'exp': self.exp,
 270                 'is_uniform': is_uniform}
 271
 272     def __eq__(self, other):
 273         if isinstance(other, self.__class__):
 274             return (self.value == other.value and
 275                     self.ttl == other.ttl and
 276                     self.exp == other.exp and
 277                     self.mode == other.mode)
 278         elif hasattr(other, 'label'):
 279             return (self.value == other.label and
 280                     self.ttl == other.ttl and
 281                     self.exp == other.exp and
 282                     (self.mode == MplsLspMode.UNIFORM) == other.is_uniform)
 283         else:
 284             return False
 285
 286     def __ne__(self, other):
 287         return not (self == other)
 288
 289
 290 class VppFibPathNextHop(object):
 291     def __init__(self, addr,
 292                  via_label=MPLS_LABEL_INVALID,
 293                  next_hop_id=INVALID_INDEX):
 294         self.addr = VppIpAddressUnion(addr)
 295         self.via_label = via_label
 296         self.obj_id = next_hop_id
 297
 298     def encode(self):
 299         if self.via_label is not MPLS_LABEL_INVALID:
 300             return {'via_label': self.via_label}
 301         if self.obj_id is not INVALID_INDEX:
 302             return {'obj_id': self.obj_id}
 303         else:
 304             return {'address': self.addr.encode()}
 305
 306     def proto(self):
 307         if self.via_label is MPLS_LABEL_INVALID:
 308             return address_proto(self.addr)
 309         else:
 310             return FibPathProto.FIB_PATH_NH_PROTO_MPLS
 311
 312     def __eq__(self, other):
 313         if not isinstance(other, self.__class__):
 314             # try the other instance's __eq__.
 315             return NotImplemented
 316         return (self.addr == other.addr and
 317                 self.via_label == other.via_label and
 318                 self.obj_id == other.obj_id)
 319
 320
 321 class VppRoutePath(object):
 322
 323     def __init__(
 324             self,
 325             nh_addr,
 326             nh_sw_if_index,
 327             nh_table_id=0,
 328             labels=[],
 329             nh_via_label=MPLS_LABEL_INVALID,
 330             rpf_id=0,
 331             next_hop_id=INVALID_INDEX,
 332             proto=None,
 333             flags=FibPathFlags.FIB_PATH_FLAG_NONE,
 334             type=FibPathType.FIB_PATH_TYPE_NORMAL):
 335         self.nh_itf = nh_sw_if_index
 336         self.nh_table_id = nh_table_id
 337         self.nh_labels = labels
 338         self.weight = 1
 339         self.rpf_id = rpf_id
 340         self.proto = proto
 341         self.flags = flags
 342         self.type = type
 343         self.nh = VppFibPathNextHop(nh_addr, nh_via_label, next_hop_id)
 344         if proto is None:
 345             self.proto = self.nh.proto()
 346         else:
 347             self.proto = proto
 348         self.next_hop_id = next_hop_id
 349
 350     def encode_labels(self):
 351         lstack = []
 352         for l in self.nh_labels:
 353             if type(l) == VppMplsLabel:
 354                 lstack.append(l.encode())
 355             else:
 356                 lstack.append({'label': l,
 357                                'ttl': 255})
 358         while (len(lstack) < 16):
 359             lstack.append({})
 360
 361         return lstack
 362
 363     def encode(self):
 364         return {'weight': 1,
 365                 'preference': 0,
 366                 'table_id': self.nh_table_id,
 367                 'nh': self.nh.encode(),
 368                 'next_hop_id': self.next_hop_id,
 369                 'sw_if_index': self.nh_itf,
 370                 'rpf_id': self.rpf_id,
 371                 'proto': self.proto,
 372                 'type': self.type,
 373                 'flags': self.flags,
 374                 'n_labels': len(self.nh_labels),
 375                 'label_stack': self.encode_labels()}
 376
 377     def __eq__(self, other):
 378         if isinstance(other, self.__class__):
 379             return self.nh == other.nh
 380         elif hasattr(other, 'sw_if_index'):
 381             # vl_api_fib_path_t
 382             if (len(self.nh_labels) != other.n_labels):
 383                 return False
 384             for i in range(len(self.nh_labels)):
 385                 if (self.nh_labels[i] != other.label_stack[i]):
 386                     return False
 387             return self.nh_itf == other.sw_if_index
 388         else:
 389             return False
 390
 391     def __ne__(self, other):
 392         return not (self == other)
 393
 394
 395 class VppMRoutePath(VppRoutePath):
 396
 397     def __init__(self, nh_sw_if_index, flags,
 398                  nh=None,
 399                  proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
 400                  type=FibPathType.FIB_PATH_TYPE_NORMAL,
 401                  bier_imp=INVALID_INDEX):
 402         if not nh:
 403             nh = "::" if proto is FibPathProto.FIB_PATH_NH_PROTO_IP6 \
 404                  else "0.0.0.0"
 405         super(VppMRoutePath, self).__init__(nh,
 406                                             nh_sw_if_index,
 407                                             proto=proto,
 408                                             type=type,
 409                                             next_hop_id=bier_imp)
 410         self.nh_i_flags = flags
 411         self.bier_imp = bier_imp
 412
 413     def encode(self):
 414         return {'path': super(VppMRoutePath, self).encode(),
 415                 'itf_flags': self.nh_i_flags}
 416
 417
 418 class VppIpRoute(VppObject):
 419     """
 420     IP Route
 421     """
 422
 423     def __init__(self, test, dest_addr,
 424                  dest_addr_len, paths, table_id=0, register=True):
 425         self._test = test
 426         self.paths = paths
 427         self.table_id = table_id
 428         self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
 429         self.register = register
 430         self.stats_index = None
 431         self.modified = False
 432
 433         self.encoded_paths = []
 434         for path in self.paths:
 435             self.encoded_paths.append(path.encode())
 436
 437     def __eq__(self, other):
 438         if self.table_id == other.table_id and \
 439            self.prefix == other.prefix:
 440             return True
 441         return False
 442
 443     def modify(self, paths):
 444         self.paths = paths
 445         self.encoded_paths = []
 446         for path in self.paths:
 447             self.encoded_paths.append(path.encode())
 448         self.modified = True
 449
 450         self._test.vapi.ip_route_add_del(route={'table_id': self.table_id,
 451                                                 'prefix': self.prefix.encode(),
 452                                                 'n_paths': len(
 453                                                     self.encoded_paths),
 454                                                 'paths': self.encoded_paths,
 455                                                 },
 456                                          is_add=1,
 457                                          is_multipath=0)
 458
 459     def add_vpp_config(self):
 460         r = self._test.vapi.ip_route_add_del(
 461             route={'table_id': self.table_id,
 462                    'prefix': self.prefix.encode(),
 463                    'n_paths': len(self.encoded_paths),
 464                    'paths': self.encoded_paths,
 465                    },
 466             is_add=1,
 467             is_multipath=0)
 468         self.stats_index = r.stats_index
 469         if self.register:
 470             self._test.registry.register(self, self._test.logger)
 471
 472     def remove_vpp_config(self):
 473         # there's no need to issue different deletes for modified routes
 474         # we do this only to test the two different ways to delete routes
 475         # eiter by passing all the paths to remove and mutlipath=1 or
 476         # passing no paths and multipath=0
 477         if self.modified:
 478             self._test.vapi.ip_route_add_del(
 479                 route={'table_id': self.table_id,
 480                        'prefix': self.prefix.encode(),
 481                        'n_paths': len(
 482                            self.encoded_paths),
 483                        'paths': self.encoded_paths},
 484                 is_add=0,
 485                 is_multipath=1)
 486         else:
 487             self._test.vapi.ip_route_add_del(
 488                 route={'table_id': self.table_id,
 489                        'prefix': self.prefix.encode(),
 490                        'n_paths': 0},
 491                 is_add=0,
 492                 is_multipath=0)
 493
 494     def query_vpp_config(self):
 495         return find_route(self._test,
 496                           self.prefix.address,
 497                           self.prefix.len,
 498                           self.table_id)
 499
 500     def object_id(self):
 501         return ("%s:table-%d-%s/%d" % (
 502             'ip6-route' if self.prefix.addr.version == 6 else 'ip-route',
 503                 self.table_id,
 504                 self.prefix.address,
 505                 self.prefix.len))
 506
 507     def get_stats_to(self):
 508         c = self._test.statistics.get_counter("/net/route/to")
 509         return c[0][self.stats_index]
 510
 511     def get_stats_via(self):
 512         c = self._test.statistics.get_counter("/net/route/via")
 513         return c[0][self.stats_index]
 514
 515
 516 class VppIpMRoute(VppObject):
 517     """
 518     IP Multicast Route
 519     """
 520
 521     def __init__(self, test, src_addr, grp_addr,
 522                  grp_addr_len, e_flags, paths, table_id=0,
 523                  rpf_id=0):
 524         self._test = test
 525         self.paths = paths
 526         self.table_id = table_id
 527         self.e_flags = e_flags
 528         self.rpf_id = rpf_id
 529
 530         self.prefix = VppIpMPrefix(src_addr, grp_addr, grp_addr_len)
 531         self.encoded_paths = []
 532         for path in self.paths:
 533             self.encoded_paths.append(path.encode())
 534
 535     def add_vpp_config(self):
 536         r = self._test.vapi.ip_mroute_add_del(self.table_id,
 537                                               self.prefix.encode(),
 538                                               self.e_flags,
 539                                               self.rpf_id,
 540                                               self.encoded_paths,
 541                                               is_add=1)
 542         self.stats_index = r.stats_index
 543         self._test.registry.register(self, self._test.logger)
 544
 545     def remove_vpp_config(self):
 546         self._test.vapi.ip_mroute_add_del(self.table_id,
 547                                           self.prefix.encode(),
 548                                           self.e_flags,
 549                                           self.rpf_id,
 550                                           self.encoded_paths,
 551                                           is_add=0)
 552
 553     def update_entry_flags(self, flags):
 554         self.e_flags = flags
 555         self._test.vapi.ip_mroute_add_del(self.table_id,
 556                                           self.prefix.encode(),
 557                                           self.e_flags,
 558                                           self.rpf_id,
 559                                           [],
 560                                           is_add=1)
 561
 562     def update_rpf_id(self, rpf_id):
 563         self.rpf_id = rpf_id
 564         self._test.vapi.ip_mroute_add_del(self.table_id,
 565                                           self.prefix.encode(),
 566                                           self.e_flags,
 567                                           self.rpf_id,
 568                                           [],
 569                                           is_add=1)
 570
 571     def update_path_flags(self, itf, flags):
 572         for p in range(len(self.paths)):
 573             if self.paths[p].nh_itf == itf:
 574                 self.paths[p].nh_i_flags = flags
 575             self.encoded_paths[p] = self.paths[p].encode()
 576             break
 577
 578         self._test.vapi.ip_mroute_add_del(self.table_id,
 579                                           self.prefix.encode(),
 580                                           self.e_flags,
 581                                           self.rpf_id,
 582                                           [self.encoded_paths[p]],
 583                                           is_add=1,
 584                                           is_multipath=0)
 585
 586     def query_vpp_config(self):
 587         return find_mroute(self._test,
 588                            self.prefix.gaddr,
 589                            self.prefix.saddr,
 590                            self.prefix.length,
 591                            self.table_id)
 592
 593     def object_id(self):
 594         return ("%d:(%s,%s/%d)" % (self.table_id,
 595                                    self.prefix.saddr,
 596                                    self.prefix.gaddr,
 597                                    self.prefix.length))
 598
 599     def get_stats(self):
 600         c = self._test.statistics.get_counter("/net/mroute")
 601         return c[0][self.stats_index]
 602
 603
 604 class VppMFibSignal(object):
 605     def __init__(self, test, route, interface, packet):
 606         self.route = route
 607         self.interface = interface
 608         self.packet = packet
 609         self.test = test
 610
 611     def compare(self, signal):
 612         self.test.assertEqual(self.interface, signal.sw_if_index)
 613         self.test.assertEqual(self.route.table_id, signal.table_id)
 614         self.test.assertEqual(self.route.prefix, signal.prefix)
 615
 616
 617 class VppMplsIpBind(VppObject):
 618     """
 619     MPLS to IP Binding
 620     """
 621
 622     def __init__(self, test, local_label, dest_addr, dest_addr_len,
 623                  table_id=0, ip_table_id=0, is_ip6=0):
 624         self._test = test
 625         self.dest_addr_len = dest_addr_len
 626         self.dest_addr = dest_addr
 627         self.ip_addr = ip_address(text_type(dest_addr))
 628         self.local_label = local_label
 629         self.table_id = table_id
 630         self.ip_table_id = ip_table_id
 631         self.prefix = VppIpPrefix(dest_addr, dest_addr_len)
 632
 633     def add_vpp_config(self):
 634         self._test.vapi.mpls_ip_bind_unbind(self.local_label,
 635                                             self.prefix.encode(),
 636                                             table_id=self.table_id,
 637                                             ip_table_id=self.ip_table_id)
 638         self._test.registry.register(self, self._test.logger)
 639
 640     def remove_vpp_config(self):
 641         self._test.vapi.mpls_ip_bind_unbind(self.local_label,
 642                                             self.prefix.encode(),
 643                                             table_id=self.table_id,
 644                                             ip_table_id=self.ip_table_id,
 645                                             is_bind=0)
 646
 647     def query_vpp_config(self):
 648         dump = self._test.vapi.mpls_route_dump(self.table_id)
 649         for e in dump:
 650             if self.local_label == e.mr_route.mr_label \
 651                and self.table_id == e.mr_route.mr_table_id:
 652                 return True
 653         return False
 654
 655     def object_id(self):
 656         return ("%d:%s binds %d:%s/%d"
 657                 % (self.table_id,
 658                    self.local_label,
 659                    self.ip_table_id,
 660                    self.dest_addr,
 661                    self.dest_addr_len))
 662
 663
 664 class VppMplsTable(VppObject):
 665
 666     def __init__(self,
 667                  test,
 668                  table_id):
 669         self._test = test
 670         self.table_id = table_id
 671
 672     def add_vpp_config(self):
 673         self._test.vapi.mpls_table_add_del(
 674             self.table_id,
 675             is_add=1)
 676         self._test.registry.register(self, self._test.logger)
 677
 678     def remove_vpp_config(self):
 679         self._test.vapi.mpls_table_add_del(
 680             self.table_id,
 681             is_add=0)
 682
 683     def query_vpp_config(self):
 684         dump = self._test.vapi.mpls_table_dump()
 685         for d in dump:
 686             if d.mt_table.mt_table_id == self.table_id:
 687                 return True
 688         return False
 689
 690     def object_id(self):
 691         return ("table-mpls-%d" % (self.table_id))
 692
 693
 694 class VppMplsRoute(VppObject):
 695     """
 696     MPLS Route/LSP
 697     """
 698
 699     def __init__(self, test, local_label, eos_bit, paths, table_id=0,
 700                  is_multicast=0,
 701                  eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP4):
 702         self._test = test
 703         self.paths = paths
 704         self.local_label = local_label
 705         self.eos_bit = eos_bit
 706         self.eos_proto = eos_proto
 707         self.table_id = table_id
 708         self.is_multicast = is_multicast
 709
 710     def add_vpp_config(self):
 711         paths = []
 712         for path in self.paths:
 713             paths.append(path.encode())
 714
 715         r = self._test.vapi.mpls_route_add_del(self.table_id,
 716                                                self.local_label,
 717                                                self.eos_bit,
 718                                                self.eos_proto,
 719                                                self.is_multicast,
 720                                                paths, 1, 0)
 721         self.stats_index = r.stats_index
 722         self._test.registry.register(self, self._test.logger)
 723
 724     def remove_vpp_config(self):
 725         paths = []
 726         for path in self.paths:
 727             paths.append(path.encode())
 728
 729         self._test.vapi.mpls_route_add_del(self.table_id,
 730                                            self.local_label,
 731                                            self.eos_bit,
 732                                            self.eos_proto,
 733                                            self.is_multicast,
 734                                            paths, 0, 0)
 735
 736     def query_vpp_config(self):
 737         return find_mpls_route(self._test, self.table_id,
 738                                self.local_label, self.eos_bit)
 739
 740     def object_id(self):
 741         return ("mpls-route-%d:%s/%d"
 742                 % (self.table_id,
 743                    self.local_label,
 744                    20 + self.eos_bit))
 745
 746     def get_stats_to(self):
 747         c = self._test.statistics.get_counter("/net/route/to")
 748         return c[0][self.stats_index]
 749
 750     def get_stats_via(self):
 751         c = self._test.statistics.get_counter("/net/route/via")
 752         return c[0][self.stats_index]