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