Add basic support for DS-Lite CE (VPP-1059)

[vpp.git] / test / bfd.py

diff --git a/test/bfd.py b/test/bfd.py
index 09a7681..452a180 100644 (file)
--- a/test/bfd.py
+++ b/test/bfd.py
@@ -6,7 +6,7 @@ from scapy.all import bind_layers
 from scapy.layers.inet import UDP
 from scapy.packet import Packet
 from scapy.fields import BitField, BitEnumField, XByteField, FlagsField,\
 from scapy.layers.inet import UDP
 from scapy.packet import Packet
 from scapy.fields import BitField, BitEnumField, XByteField, FlagsField,\

-        ConditionalField, StrField
+    ConditionalField, StrField

 from vpp_object import VppObject
 from util import NumericConstant
 
 from vpp_object import VppObject
 from util import NumericConstant
 


@@ -110,6 +110,7 @@ class BFD(Packet):
     """ BFD protocol layer for scapy """
 
     udp_dport = 3784  #: BFD destination port per RFC 5881
     """ BFD protocol layer for scapy """
 
     udp_dport = 3784  #: BFD destination port per RFC 5881

+    udp_dport_echo = 3785  # : BFD destination port for ECHO per RFC 5881

     udp_sport_min = 49152  #: BFD source port min value per RFC 5881
     udp_sport_max = 65535  #: BFD source port max value per RFC 5881
     bfd_pkt_len = 24  # : length of BFD pkt without authentication section
     udp_sport_min = 49152  #: BFD source port min value per RFC 5881
     udp_sport_max = 65535  #: BFD source port max value per RFC 5881
     bfd_pkt_len = 24  # : length of BFD pkt without authentication section


@@ -151,6 +152,27 @@ class BFD(Packet):
 bind_layers(UDP, BFD, dport=BFD.udp_dport)
 
 
 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 """
 
 class VppBFDAuthKey(VppObject):
     """ Represents BFD authentication key in VPP """
 


@@ -176,6 +198,10 @@ class VppBFDAuthKey(VppObject):
         """ key data """
         return self._key
 
         """ key data """
         return self._key
 

+    @key.setter
+    def key(self, value):
+        self._key = value
+

     @property
     def conf_key_id(self):
         """ configuration key ID """
     @property
     def conf_key_id(self):
         """ configuration key ID """


@@ -211,7 +237,7 @@ class VppBFDUDPSession(VppObject):
     """ Represents BFD UDP session in VPP """
 
     def __init__(self, test, interface, peer_addr, local_addr=None, af=AF_INET,
     """ 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,
+                 desired_min_tx=300000, required_min_rx=300000, detect_mult=3,

                  sha1_key=None, bfd_key_id=None):
         self._test = test
         self._interface = interface
                  sha1_key=None, bfd_key_id=None):
         self._test = test
         self._interface = interface


@@ -227,7 +253,10 @@ class VppBFDUDPSession(VppObject):
         self._required_min_rx = required_min_rx
         self._detect_mult = detect_mult
         self._sha1_key = sha1_key
         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)

 
     @property
     def test(self):
 
     @property
     def test(self):


@@ -419,3 +448,12 @@ class VppBFDUDPSession(VppObject):
                                                  self.local_addr_n,
                                                  self.peer_addr_n,
                                                  is_ipv6=is_ipv6)
                                                  self.local_addr_n,
                                                  self.peer_addr_n,
                                                  is_ipv6=is_ipv6)

+
+    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)