ConditionalField, StrField
from vpp_object import VppObject
from util import NumericConstant
+from vpp_papi import VppEnum
class BFDDiagCode(NumericConstant):
reverse_concatenated_path_down: "Reverse Concatenated Path Down",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
class BFDState(NumericConstant):
""" BFD State """
up: "Up",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
class BFDAuthType(NumericConstant):
""" BFD Authentication Type """
meticulous_keyed_sha1: "Meticulous Keyed SHA1",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
def bfd_is_auth_used(pkt):
""" is packet authenticated? """
return self.sprintf("BFD(my_disc=%BFD.my_discriminator%,"
"your_disc=%BFD.your_discriminator%)")
+
# glue the BFD packet class to scapy parser
bind_layers(UDP, BFD, dport=BFD.udp_dport)
+class BFD_vpp_echo(Packet):
+ """ BFD echo packet as used by VPP (non-rfc, as rfc doesn't define one) """
+
+ udp_dport = 3785 #: BFD echo destination port per RFC 5881
+ name = "BFD_VPP_ECHO"
+
+ fields_desc = [
+ BitField("discriminator", 0, 32),
+ BitField("expire_time_clocks", 0, 64),
+ BitField("checksum", 0, 64)
+ ]
+
+ def mysummary(self):
+ return self.sprintf(
+ "BFD_VPP_ECHO(disc=%BFD_VPP_ECHO.discriminator%,"
+ "expire_time_clocks=%BFD_VPP_ECHO.expire_time_clocks%)")
+
+
+# glue the BFD echo packet class to scapy parser
+bind_layers(UDP, BFD_vpp_echo, dport=BFD_vpp_echo.udp_dport)
+
+
class VppBFDAuthKey(VppObject):
""" Represents BFD authentication key in VPP """
""" key data """
return self._key
+ @key.setter
+ def key(self, value):
+ self._key = value
+
@property
def conf_key_id(self):
""" configuration key ID """
def add_vpp_config(self):
self.test.vapi.bfd_auth_set_key(
- self._conf_key_id, self._auth_type, self._key)
+ conf_key_id=self._conf_key_id, auth_type=self._auth_type,
+ key=self._key, key_len=len(self._key))
self._test.registry.register(self, self.test.logger)
def get_bfd_auth_keys_dump_entry(self):
return self.get_bfd_auth_keys_dump_entry() is not None
def remove_vpp_config(self):
- self.test.vapi.bfd_auth_del_key(self._conf_key_id)
+ self.test.vapi.bfd_auth_del_key(conf_key_id=self._conf_key_id)
def object_id(self):
return "bfd-auth-key-%s" % self._conf_key_id
- def __str__(self):
- return self.object_id()
-
class VppBFDUDPSession(VppObject):
""" Represents BFD UDP session in VPP """
def __init__(self, test, interface, peer_addr, local_addr=None, af=AF_INET,
- desired_min_tx=100000, required_min_rx=100000, detect_mult=3,
- sha1_key=None, bfd_key_id=None):
+ desired_min_tx=300000, required_min_rx=300000, detect_mult=3,
+ sha1_key=None, bfd_key_id=None, is_tunnel=False):
self._test = test
self._interface = interface
self._af = af
- self._local_addr = local_addr
- if local_addr is not None:
- self._local_addr_n = inet_pton(af, local_addr)
+ if local_addr:
+ self._local_addr = local_addr
else:
- self._local_addr_n = None
+ self._local_addr = None
self._peer_addr = peer_addr
- self._peer_addr_n = inet_pton(af, peer_addr)
self._desired_min_tx = desired_min_tx
self._required_min_rx = required_min_rx
self._detect_mult = detect_mult
self._sha1_key = sha1_key
- self._bfd_key_id = bfd_key_id if bfd_key_id else randint(0, 255)
+ if bfd_key_id is not None:
+ self._bfd_key_id = bfd_key_id
+ else:
+ self._bfd_key_id = randint(0, 255)
+ self._is_tunnel = is_tunnel
@property
def test(self):
raise Exception("Unexpected af '%s'" % self.af)
return self._local_addr
- @property
- def local_addr_n(self):
- """ BFD session local address (VPP address) - raw, suitable for API """
- if self._local_addr is None:
- if self.af == AF_INET:
- return self._interface.local_ip4n
- elif self.af == AF_INET6:
- return self._interface.local_ip6n
- else:
- raise Exception("Unexpected af '%s'" % self.af)
- return self._local_addr_n
-
@property
def peer_addr(self):
""" BFD session peer address """
return self._peer_addr
- @property
- def peer_addr_n(self):
- """ BFD session peer address - raw, suitable for API """
- return self._peer_addr_n
-
def get_bfd_udp_session_dump_entry(self):
""" get the namedtuple entry from bfd udp session dump """
result = self.test.vapi.bfd_udp_session_dump()
self.test.logger.debug("session entry: %s" % str(s))
if s.sw_if_index == self.interface.sw_if_index:
if self.af == AF_INET \
- and s.is_ipv6 == 0 \
- and self.interface.local_ip4n == s.local_addr[:4] \
- and self.interface.remote_ip4n == s.peer_addr[:4]:
+ and self.interface.local_ip4 == str(s.local_addr) \
+ and self.interface.remote_ip4 == str(s.peer_addr):
return s
if self.af == AF_INET6 \
- and s.is_ipv6 == 1 \
- and self.interface.local_ip6n == s.local_addr \
- and self.interface.remote_ip6n == s.peer_addr:
+ and self.interface.local_ip6 == str(s.local_addr) \
+ and self.interface.remote_ip6 == str(s.peer_addr):
return s
return None
""" bfd key id in use """
return self._bfd_key_id
+ @property
+ def is_tunnel(self):
+ return self._is_tunnel
+
def activate_auth(self, key, bfd_key_id=None, delayed=False):
""" activate authentication for this session """
self._bfd_key_id = bfd_key_id if bfd_key_id else randint(0, 255)
self._sha1_key = key
- is_ipv6 = 1 if AF_INET6 == self.af else 0
conf_key_id = self._sha1_key.conf_key_id
is_delayed = 1 if delayed else 0
- self.test.vapi.bfd_udp_auth_activate(self._interface.sw_if_index,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6,
- bfd_key_id=self._bfd_key_id,
- conf_key_id=conf_key_id,
- is_delayed=is_delayed)
+ self.test.vapi.bfd_udp_auth_activate(
+ sw_if_index=self._interface.sw_if_index,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr,
+ bfd_key_id=self._bfd_key_id,
+ conf_key_id=conf_key_id,
+ is_delayed=is_delayed)
def deactivate_auth(self, delayed=False):
""" deactivate authentication """
self._bfd_key_id = None
self._sha1_key = None
is_delayed = 1 if delayed else 0
- is_ipv6 = 1 if AF_INET6 == self.af else 0
- self.test.vapi.bfd_udp_auth_deactivate(self._interface.sw_if_index,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6,
- is_delayed=is_delayed)
+ self.test.vapi.bfd_udp_auth_deactivate(
+ sw_if_index=self._interface.sw_if_index,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr,
+ is_delayed=is_delayed)
def modify_parameters(self,
detect_mult=None,
self._desired_min_tx = desired_min_tx
if required_min_rx:
self._required_min_rx = required_min_rx
- is_ipv6 = 1 if AF_INET6 == self.af else 0
- self.test.vapi.bfd_udp_mod(self._interface.sw_if_index,
- self.desired_min_tx,
- self.required_min_rx,
- self.detect_mult,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6)
+ self.test.vapi.bfd_udp_mod(sw_if_index=self._interface.sw_if_index,
+ desired_min_tx=self.desired_min_tx,
+ required_min_rx=self.required_min_rx,
+ detect_mult=self.detect_mult,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr)
def add_vpp_config(self):
- is_ipv6 = 1 if AF_INET6 == self.af else 0
bfd_key_id = self._bfd_key_id if self._sha1_key else None
conf_key_id = self._sha1_key.conf_key_id if self._sha1_key else None
- self.test.vapi.bfd_udp_add(self._interface.sw_if_index,
- self.desired_min_tx,
- self.required_min_rx,
- self.detect_mult,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6,
+ is_authenticated = True if self._sha1_key else False
+ self.test.vapi.bfd_udp_add(sw_if_index=self._interface.sw_if_index,
+ desired_min_tx=self.desired_min_tx,
+ required_min_rx=self.required_min_rx,
+ detect_mult=self.detect_mult,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr,
bfd_key_id=bfd_key_id,
- conf_key_id=conf_key_id)
+ conf_key_id=conf_key_id,
+ is_authenticated=is_authenticated)
self._test.registry.register(self, self.test.logger)
def query_vpp_config(self):
return session is not None
def remove_vpp_config(self):
- is_ipv6 = 1 if AF_INET6 == self._af else 0
self.test.vapi.bfd_udp_del(self._interface.sw_if_index,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6)
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr)
def object_id(self):
return "bfd-udp-%s-%s-%s-%s" % (self._interface.sw_if_index,
self.peer_addr,
self.af)
- def __str__(self):
- return self.object_id()
-
def admin_up(self):
""" set bfd session admin-up """
- is_ipv6 = 1 if AF_INET6 == self._af else 0
- self.test.vapi.bfd_udp_session_set_flags(1,
- self._interface.sw_if_index,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6)
+ self.test.vapi.bfd_udp_session_set_flags(
+ flags=VppEnum.vl_api_if_status_flags_t.IF_STATUS_API_FLAG_ADMIN_UP,
+ sw_if_index=self._interface.sw_if_index,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr)
def admin_down(self):
""" set bfd session admin-down """
- is_ipv6 = 1 if AF_INET6 == self._af else 0
- self.test.vapi.bfd_udp_session_set_flags(0,
- self._interface.sw_if_index,
- self.local_addr_n,
- self.peer_addr_n,
- is_ipv6=is_ipv6)
+ self.test.vapi.bfd_udp_session_set_flags(
+ flags=0, sw_if_index=self._interface.sw_if_index,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr)