@classmethod
def create_pg_interfaces(cls, interfaces):
"""
- Create packet-generator interfaces
+ Create packet-generator interfaces.
- :param interfaces: iterable indexes of the interfaces
+ :param interfaces: iterable indexes of the interfaces.
+ :returns: List of created interfaces.
"""
result = []
@classmethod
def create_loopback_interfaces(cls, interfaces):
"""
- Create loopback interfaces
-
- :param interfaces: iterable indexes of the interfaces
+ Create loopback interfaces.
+ :param interfaces: iterable indexes of the interfaces.
+ :returns: List of created interfaces.
"""
result = []
for i in interfaces:
--- /dev/null
+#!/usr/bin/env python
+"""CRUD tests of APIs (Create, Read, Update, Delete) HLD:
+
+- interface up/down/add/delete - interface type:
+ - pg (TBD)
+ - loopback
+ - vhostuser (TBD)
+ - af_packet (TBD)
+ - netmap (TBD)
+ - tuntap (root privileges needed)
+ - vxlan (TBD)
+"""
+
+import unittest
+
+from scapy.layers.inet import IP, ICMP
+from scapy.layers.l2 import Ether
+
+from framework import VppTestCase, VppTestRunner
+
+
+class TestLoopbackInterfaceCRUD(VppTestCase):
+ """CRUD Loopback
+
+ """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestLoopbackInterfaceCRUD, cls).setUpClass()
+ try:
+ cls.create_pg_interfaces(range(1))
+ for i in cls.pg_interfaces:
+ i.config_ip4()
+ i.resolve_arp()
+ except:
+ cls.tearDownClass()
+ raise
+
+ @staticmethod
+ def create_icmp_stream(src_if, dst_ifs):
+ """
+
+ :param VppInterface src_if: Packets are send to this interface,
+ using this interfaces remote host.
+ :param list dst_ifs: IPv4 ICMP requests are send to interfaces
+ addresses.
+ :return: List of generated packets.
+ """
+ pkts = []
+ for i in dst_ifs:
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=src_if.remote_ip4, dst=i.local_ip4) /
+ ICMP(id=i.sw_if_index, type='echo-request'))
+ pkts.append(p)
+ return pkts
+
+ def verify_icmp(self, capture, request_src_if, dst_ifs):
+ """
+
+ :param capture: Capture to verify.
+ :param VppInterface request_src_if: Interface where was send packets.
+ :param list dst_ifs: Interfaces where was generated IPv4 ICMP requests.
+ """
+ rcvd_icmp_pkts = []
+ for pkt in capture:
+ try:
+ ip = pkt[IP]
+ icmp = pkt[ICMP]
+ except IndexError:
+ pass
+ else:
+ info = (ip.src, ip.dst, icmp.type, icmp.id)
+ rcvd_icmp_pkts.append(info)
+
+ for i in dst_ifs:
+ # 0 - icmp echo response
+ info = (i.local_ip4, request_src_if.remote_ip4, 0, i.sw_if_index)
+ self.assertIn(info, rcvd_icmp_pkts)
+
+ def test_crud(self):
+ # create
+ loopbacks = self.create_loopback_interfaces(range(20))
+ for i in loopbacks:
+ i.local_ip4_prefix_len = 32
+ i.config_ip4()
+ i.admin_up()
+
+ # read (check sw if dump, ip4 fib, ip6 fib)
+ if_dump = self.vapi.sw_interface_dump()
+ fib4_dump = self.vapi.ip_fib_dump()
+ for i in loopbacks:
+ self.assertTrue(i.is_interface_config_in_dump(if_dump))
+ self.assertTrue(i.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # check ping
+ stream = self.create_icmp_stream(self.pg0, loopbacks)
+ self.pg0.add_stream(stream)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(expected_count=len(stream))
+
+ self.verify_icmp(capture, self.pg0, loopbacks)
+
+ # delete
+ for i in loopbacks:
+ i.remove_vpp_config()
+
+ # read (check not in sw if dump, ip4 fib, ip6 fib)
+ if_dump = self.vapi.sw_interface_dump()
+ fib4_dump = self.vapi.ip_fib_dump()
+ for i in loopbacks:
+ self.assertFalse(i.is_interface_config_in_dump(if_dump))
+ self.assertFalse(i.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # check not ping
+ stream = self.create_icmp_stream(self.pg0, loopbacks)
+ self.pg0.add_stream(stream)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.assert_nothing_captured()
+
+ def test_down(self):
+ # create
+ loopbacks = self.create_loopback_interfaces(range(20))
+ for i in loopbacks:
+ i.local_ip4_prefix_len = 32
+ i.config_ip4()
+ i.admin_up()
+
+ # disable
+ for i in loopbacks:
+ i.admin_down()
+ i.unconfig_ip4()
+
+ # read (check not in sw if dump, ip4 fib, ip6 fib)
+ if_dump = self.vapi.sw_interface_dump()
+ fib4_dump = self.vapi.ip_fib_dump()
+ for i in loopbacks:
+ self.assertTrue(i.is_interface_config_in_dump(if_dump))
+ self.assertFalse(i.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # check not ping
+ stream = self.create_icmp_stream(self.pg0, loopbacks)
+ self.pg0.add_stream(stream)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.assert_nothing_captured()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
self._local_ip4 = "172.16.%u.1" % self.sw_if_index
self._local_ip4n = socket.inet_pton(socket.AF_INET, self.local_ip4)
+ self.local_ip4_prefix_len = 24
+ self.has_ip4_config = False
+ self.ip4_table_id = 0
self._local_ip6 = "fd01:%04x::1" % self.sw_if_index
self._local_ip6n = socket.inet_pton(socket.AF_INET6, self.local_ip6)
+ self.local_ip6_prefix_len = 64
+ self.has_ip6_config = False
+ self.ip6_table_id = 0
r = self.test.vapi.sw_interface_dump()
for intf in r:
if intf.sw_if_index == self.sw_if_index:
self._name = intf.interface_name.split(b'\0', 1)[0]
- self._local_mac =\
+ self._local_mac = \
':'.join(intf.l2_address.encode('hex')[i:i + 2]
for i in range(0, 12, 2))
self._dump = intf
def config_ip4(self):
"""Configure IPv4 address on the VPP interface."""
- addr = self.local_ip4n
- addr_len = 24
self.test.vapi.sw_interface_add_del_address(
- self.sw_if_index, addr, addr_len)
+ self.sw_if_index, self.local_ip4n, self.local_ip4_prefix_len)
self.has_ip4_config = True
def unconfig_ip4(self):
- """Remove IPv4 address on the VPP interface"""
+ """Remove IPv4 address on the VPP interface."""
try:
- if (self.has_ip4_config):
+ if self.has_ip4_config:
self.test.vapi.sw_interface_add_del_address(
self.sw_if_index,
self.local_ip4n,
- 24, is_add=0)
+ self.local_ip4_prefix_len,
+ is_add=0)
except AttributeError:
self.has_ip4_config = False
self.has_ip4_config = False
def config_ip6(self):
"""Configure IPv6 address on the VPP interface."""
- addr = self._local_ip6n
- addr_len = 64
self.test.vapi.sw_interface_add_del_address(
- self.sw_if_index, addr, addr_len, is_ipv6=1)
+ self.sw_if_index, self._local_ip6n, self.local_ip6_prefix_len,
+ is_ipv6=1)
self.has_ip6_config = True
def unconfig_ip6(self):
- """Remove IPv6 address on the VPP interface"""
+ """Remove IPv6 address on the VPP interface."""
try:
- if (self.has_ip6_config):
+ if self.has_ip6_config:
self.test.vapi.sw_interface_add_del_address(
self.sw_if_index,
self.local_ip6n,
- 64, is_ipv6=1, is_add=0)
+ self.local_ip6_prefix_len,
+ is_ipv6=1, is_add=0)
except AttributeError:
self.has_ip6_config = False
self.has_ip6_config = False
def unconfig(self):
- """Unconfigure IPv6 and IPv4 address on the VPP interface"""
+ """Unconfigure IPv6 and IPv4 address on the VPP interface."""
self.unconfig_ip4()
self.unconfig_ip6()
def set_table_ip4(self, table_id):
"""Set the interface in a IPv4 Table.
- .. note:: Must be called before configuring IP4 addresses."""
+ .. note:: Must be called before configuring IP4 addresses.
+ """
+ self.ip4_table_id = table_id
self.test.vapi.sw_interface_set_table(
- self.sw_if_index, 0, table_id)
+ self.sw_if_index, 0, self.ip4_table_id)
def set_table_ip6(self, table_id):
"""Set the interface in a IPv6 Table.
.. note:: Must be called before configuring IP6 addresses.
"""
+ self.ip6_table_id = table_id
self.test.vapi.sw_interface_set_table(
- self.sw_if_index, 1, table_id)
+ self.sw_if_index, 1, self.ip6_table_id)
def disable_ipv6_ra(self):
"""Configure IPv6 RA suppress on the VPP interface."""
"""Put interface ADMIN-UP."""
self.test.vapi.sw_interface_set_flags(self.sw_if_index, admin_up_down=1)
+ def admin_down(self):
+ """Put interface ADMIN-down."""
+ self.test.vapi.sw_interface_set_flags(self.sw_if_index, admin_up_down=0)
+
def add_sub_if(self, sub_if):
"""Register a sub-interface with this interface.
"""Enable MPLS on the VPP interface."""
self.test.vapi.sw_interface_enable_disable_mpls(
self.sw_if_index)
+
+ def is_ip4_entry_in_fib_dump(self, dump):
+ for i in dump:
+ if i.address == self.local_ip4n and \
+ i.address_length == self.local_ip4_prefix_len and \
+ i.table_id == self.ip4_table_id:
+ return True
+ return False
-
+from vpp_object import VppObject
from vpp_interface import VppInterface
-class VppLoInterface(VppInterface):
+class VppLoInterface(VppInterface, VppObject):
"""VPP loopback interface."""
def __init__(self, test, lo_index):
""" Create VPP loopback interface """
- r = test.vapi.create_loopback()
- self._sw_if_index = r.sw_if_index
+ self._test = test
+ self.add_vpp_config()
super(VppLoInterface, self).__init__(test)
self._lo_index = lo_index
+
+ def add_vpp_config(self):
+ r = self.test.vapi.create_loopback()
+ self._sw_if_index = r.sw_if_index
+
+ def remove_vpp_config(self):
+ self.test.vapi.delete_loopback(self.sw_if_index)
+
+ def query_vpp_config(self):
+ dump = self.vapi.sw_interface_dump()
+ return self.is_interface_config_in_dump(dump)
+
+ def is_interface_config_in_dump(self, dump):
+ for i in dump:
+ if i.interface_name.rstrip(' \t\r\n\0') == self.name and \
+ i.sw_if_index == self.sw_if_index:
+ return True
+ else:
+ return False
+
+ def object_id(self):
+ return "loopback-%d" % self._sw_if_index
return self.api(self.papi.create_loopback,
{'mac_address': mac})
+ def delete_loopback(self, sw_if_index):
+ return self.api(self.papi.delete_loopback,
+ {'sw_if_index': sw_if_index, })
+
def ip_add_del_route(
self,
dst_address,
"""
:param is_add:
:param mask:
- :param match_n_vectors (Default value = 1):
- :param table_index (Default value = 0xFFFFFFFF)
+ :param match_n_vectors: (Default value = 1):
+ :param table_index: (Default value = 0xFFFFFFFF)
:param nbuckets: (Default value = 2)
:param memory_size: (Default value = 2097152)
:param skip_n_vectors: (Default value = 0)
Code Review / vpp.git / commitdiff