object abstractions for representing IP routes in VPP
"""
-from vpp_object import *
+from vpp_object import VppObject
from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
-from vpp_ip import *
+from vpp_ip import DpoProto, VppIpPrefix
# from vnet/vnet/mpls/mpls_types.h
MPLS_IETF_MAX_LABEL = 0xfffff
UNIFORM = 1
+def ip_to_dpo_proto(addr):
+ if addr.version == 6:
+ return DpoProto.DPO_PROTO_IP6
+ else:
+ return DpoProto.DPO_PROTO_IP4
+
+
def find_route(test, ip_addr, len, table_id=0, inet=AF_INET):
if inet == AF_INET:
s = 4
route_addr = inet_pton(inet, ip_addr)
for e in routes:
if route_addr == e.address[:s] \
- and len == e.address_length \
- and table_id == e.table_id:
+ and len == e.address_length \
+ and table_id == e.table_id:
return True
return False
saddr = inet_pton(inet, src_addr)
for e in routes:
if gaddr == e.grp_address[:s] \
- and grp_addr_len == e.address_length \
- and saddr == e.src_address[:s] \
- and table_id == e.table_id:
+ and grp_addr_len == e.address_length \
+ and saddr == e.src_address[:s] \
+ and table_id == e.table_id:
+ return True
+ return False
+
+
+def find_mpls_route(test, table_id, label, eos_bit, paths=None):
+ dump = test.vapi.mpls_fib_dump()
+ for e in dump:
+ if label == e.label \
+ and eos_bit == e.eos_bit \
+ and table_id == e.table_id:
+ if not paths:
+ return True
+ else:
+ if (len(paths) != len(e.path)):
+ return False
+ for i in range(len(paths)):
+ if (paths[i] != e.path[i]):
+ return False
+ return True
+ return False
+
+
+def fib_interface_ip_prefix(test, address, length, sw_if_index):
+ vp = VppIpPrefix(address, length)
+ addrs = test.vapi.ip_address_dump(sw_if_index, is_ipv6=vp.is_ip6)
+
+ if vp.is_ip6:
+ n = 16
+ else:
+ n = 4
+
+ for a in addrs:
+ if a.prefix_length == length and \
+ a.sw_if_index == sw_if_index and \
+ a.ip[:n] == vp.bytes:
return True
return False
self.is_ip6 = is_ip6
def add_vpp_config(self):
- self._test.vapi.ip_table_add_del(
- self.table_id,
- is_ipv6=self.is_ip6,
- is_add=1)
+ self._test.vapi.ip_table_add_del(is_ipv6=self.is_ip6, is_add=1,
+ table_id=self.table_id)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
- self._test.vapi.ip_table_add_del(
- self.table_id,
- is_ipv6=self.is_ip6,
- is_add=0)
+ self._test.vapi.ip_table_add_del(is_ipv6=self.is_ip6, is_add=0,
+ table_id=self.table_id)
def query_vpp_config(self):
+ if self.table_id == 0:
+ # the default table always exists
+ return False
# find the default route
return find_route(self._test,
"::" if self.is_ip6 else "0.0.0.0",
self.table_id))
+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, address=self.prefix.bytes,
+ address_length=self.prefix.length, is_ipv6=self.prefix.is_ip6,
+ 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, address=self.prefix.bytes,
+ address_length=self.prefix.length, is_ipv6=self.prefix.is_ip6,
+ 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 __str__(self):
+ return self.object_id()
+
+ def object_id(self):
+ return "interface-ip-%s-%s" % (self.intf, self.prefix)
+
+
+class VppIpInterfaceBind(VppObject):
+
+ def __init__(self, test, intf, table):
+ self._test = test
+ self.intf = intf
+ self.table = table
+
+ def add_vpp_config(self):
+ if self.table.is_ip6:
+ self.intf.set_table_ip6(self.table.table_id)
+ else:
+ self.intf.set_table_ip4(self.table.table_id)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ if 0 == self.table.table_id:
+ return
+ if self.table.is_ip6:
+ self.intf.set_table_ip6(0)
+ else:
+ self.intf.set_table_ip4(0)
+
+ def query_vpp_config(self):
+ if 0 == self.table.table_id:
+ return False
+ return self._test.vapi.sw_interface_get_table(
+ self.intf.sw_if_index,
+ self.table.is_ip6).vrf_id == self.table.table_id
+
+ def __str__(self):
+ return self.object_id()
+
+ def object_id(self):
+ return "interface-bind-%s-%s" % (self.intf, self.table)
+
+
class VppMplsLabel(object):
def __init__(self, value, mode=MplsLspMode.PIPE, ttl=64, exp=0):
self.value = value
'exp': self.exp,
'is_uniform': is_uniform}
+ def __eq__(self, other):
+ if isinstance(other, self.__class__):
+ return (self.value == other.value and
+ self.ttl == other.ttl and
+ self.exp == other.exp and
+ self.mode == other.mode)
+ elif hasattr(other, 'label'):
+ return (self.value == other.label and
+ self.ttl == other.ttl and
+ self.exp == other.exp and
+ (self.mode == MplsLspMode.UNIFORM) == other.is_uniform)
+ else:
+ return False
+
+ def __ne__(self, other):
+ return not (self == other)
+
class VppRoutePath(object):
is_dvr=0,
next_hop_id=0xffffffff,
proto=DpoProto.DPO_PROTO_IP4):
+ self.proto = proto
self.nh_itf = nh_sw_if_index
self.nh_table_id = nh_table_id
self.nh_via_label = nh_via_label
self.nh_labels = labels
self.weight = 1
self.rpf_id = rpf_id
- self.proto = proto
if self.proto is DpoProto.DPO_PROTO_IP6:
self.nh_addr = inet_pton(AF_INET6, nh_addr)
elif self.proto is DpoProto.DPO_PROTO_IP4:
def encode(self):
return {'next_hop': self.nh_addr,
'weight': 1,
- 'afi': 0,
'preference': 0,
'table_id': self.nh_table_id,
'next_hop_id': self.next_hop_id,
'label_stack': self.encode_labels()}
def __eq__(self, other):
- return self.nh_addr == other.nh_addr
+ if isinstance(other, self.__class__):
+ return self.nh_addr == other.nh_addr
+ elif hasattr(other, 'sw_if_index'):
+ # vl_api_fib_path_t
+ if (len(self.nh_labels) != other.n_labels):
+ return False
+ for i in range(len(self.nh_labels)):
+ if (self.nh_labels[i] != other.label_stack[i]):
+ return False
+ return self.nh_itf == other.sw_if_index
+ else:
+ return False
+
+ def __ne__(self, other):
+ return not (self == other)
class VppMRoutePath(VppRoutePath):
self.is_prohibit = is_prohibit
def add_vpp_config(self):
- if self.is_local or self.is_unreach or \
- self.is_prohibit or self.is_drop:
+ if self.is_unreach or self.is_prohibit or self.is_drop:
r = self._test.vapi.ip_add_del_route(
self.dest_addr,
self.dest_addr_len,
next_hop_id=path.next_hop_id,
is_ipv6=self.is_ip6,
is_dvr=path.is_dvr,
+ is_local=self.is_local,
is_resolve_host=path.is_resolve_host,
is_resolve_attached=path.is_resolve_attached,
is_source_lookup=path.is_source_lookup,
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
- if self.is_local or self.is_unreach or \
- self.is_prohibit or self.is_drop:
+ if self.is_unreach or self.is_prohibit or self.is_drop:
self._test.vapi.ip_add_del_route(
self.dest_addr,
self.dest_addr_len,
dump = self._test.vapi.mpls_fib_dump()
for e in dump:
if self.local_label == e.label \
- and self.table_id == e.table_id:
+ and self.table_id == e.table_id:
return True
return False
is_add=0)
def query_vpp_config(self):
- dump = self._test.vapi.mpls_fib_dump()
- for e in dump:
- if self.local_label == e.label \
- and self.eos_bit == e.eos_bit \
- and self.table_id == e.table_id:
- return True
- return False
+ return find_mpls_route(self._test, self.table_id,
+ self.local_label, self.eos_bit)
def __str__(self):
return self.object_id()
return ("%d:%s/%d"
% (self.table_id,
self.local_label,
- 20+self.eos_bit))
+ 20 + self.eos_bit))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
Code Review / vpp.git / blobdiff