from framework import VppTestCase, VppTestRunner
from util import ppp
+from vpp_ip import VppIpPrefix
from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpMRoute, \
VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
- VppMplsTable, VppIpTable, FibPathType, find_route
+ VppMplsTable, VppIpTable, FibPathType, find_route, \
+ VppIpInterfaceAddress
+from vpp_ip import VppIpAddress
from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
from vpp_papi import VppEnum
:param int packet_size: Required packet size.
:param Scapy pkt: Packet to be modified.
"""
- dst_if_idx = packet_size / 10 % 2
+ dst_if_idx = int(packet_size / 10 % 2)
dst_if = self.flows[src_if][dst_if_idx]
info = self.create_packet_info(src_if, dst_if)
payload = self.info_to_payload(info)
self.verify_capture(i, pkts)
+class TestIPv4IfAddrRoute(VppTestCase):
+ """ IPv4 Interface Addr Route Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIPv4IfAddrRoute, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIPv4IfAddrRoute, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIPv4IfAddrRoute, self).setUp()
+
+ # create 1 pg interface
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TestIPv4IfAddrRoute, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.admin_down()
+
+ def test_ipv4_ifaddrs_same_prefix(self):
+ """ IPv4 Interface Addresses Same Prefix test
+
+ Test scenario:
+
+ - Verify no route in FIB for prefix 10.10.10.0/24
+ - Configure IPv4 address 10.10.10.10/24 on an interface
+ - Verify route in FIB for prefix 10.10.10.0/24
+ - Configure IPv4 address 10.10.10.20/24 on an interface
+ - Delete 10.10.10.10/24 from interface
+ - Verify route in FIB for prefix 10.10.10.0/24
+ - Delete 10.10.10.20/24 from interface
+ - Verify no route in FIB for prefix 10.10.10.0/24
+ """
+
+ # create two addresses, verify route not present
+ if_addr1 = VppIpInterfaceAddress(self, self.pg0,
+ VppIpAddress("10.10.10.10"), 24)
+ if_addr2 = VppIpInterfaceAddress(self, self.pg0,
+ VppIpAddress("10.10.10.20"), 24)
+ self.assertFalse(if_addr1.query_vpp_config()) # 10.10.10.0/24
+ self.assertFalse(find_route(self, "10.10.10.10", 32))
+ self.assertFalse(find_route(self, "10.10.10.20", 32))
+ self.assertFalse(find_route(self, "10.10.10.255", 32))
+ self.assertFalse(find_route(self, "10.10.10.0", 32))
+
+ # configure first address, verify route present
+ if_addr1.add_vpp_config()
+ self.assertTrue(if_addr1.query_vpp_config()) # 10.10.10.0/24
+ self.assertTrue(find_route(self, "10.10.10.10", 32))
+ self.assertFalse(find_route(self, "10.10.10.20", 32))
+ self.assertTrue(find_route(self, "10.10.10.255", 32))
+ self.assertTrue(find_route(self, "10.10.10.0", 32))
+
+ # configure second address, delete first, verify route not removed
+ if_addr2.add_vpp_config()
+ if_addr1.remove_vpp_config()
+ self.assertTrue(if_addr1.query_vpp_config()) # 10.10.10.0/24
+ self.assertFalse(find_route(self, "10.10.10.10", 32))
+ self.assertTrue(find_route(self, "10.10.10.20", 32))
+ self.assertTrue(find_route(self, "10.10.10.255", 32))
+ self.assertTrue(find_route(self, "10.10.10.0", 32))
+
+ # delete second address, verify route removed
+ if_addr2.remove_vpp_config()
+ self.assertFalse(if_addr1.query_vpp_config()) # 10.10.10.0/24
+ self.assertFalse(find_route(self, "10.10.10.10", 32))
+ self.assertFalse(find_route(self, "10.10.10.20", 32))
+ self.assertFalse(find_route(self, "10.10.10.255", 32))
+ self.assertFalse(find_route(self, "10.10.10.0", 32))
+
+ def test_ipv4_ifaddr_route(self):
+ """ IPv4 Interface Address Route test
+
+ Test scenario:
+
+ - Create loopback
+ - Configure IPv4 address on loopback
+ - Verify that address is not in the FIB
+ - Bring loopback up
+ - Verify that address is in the FIB now
+ - Bring loopback down
+ - Verify that address is not in the FIB anymore
+ - Bring loopback up
+ - Configure IPv4 address on loopback
+ - Verify that address is in the FIB now
+ """
+
+ # create a loopback and configure IPv4
+ loopbacks = self.create_loopback_interfaces(1)
+ lo_if = self.lo_interfaces[0]
+
+ lo_if.local_ip4_prefix_len = 32
+ lo_if.config_ip4()
+
+ # The intf was down when addr was added -> entry not in FIB
+ fib4_dump = self.vapi.ip_route_dump(0)
+ self.assertFalse(lo_if.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # When intf is brought up, entry is added
+ lo_if.admin_up()
+ fib4_dump = self.vapi.ip_route_dump(0)
+ self.assertTrue(lo_if.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # When intf is brought down, entry is removed
+ lo_if.admin_down()
+ fib4_dump = self.vapi.ip_route_dump(0)
+ self.assertFalse(lo_if.is_ip4_entry_in_fib_dump(fib4_dump))
+
+ # Remove addr, bring up interface, re-add -> entry in FIB
+ lo_if.unconfig_ip4()
+ lo_if.admin_up()
+ lo_if.config_ip4()
+ fib4_dump = self.vapi.ip_route_dump(0)
+ self.assertTrue(lo_if.is_ip4_entry_in_fib_dump(fib4_dump))
+
+
class TestICMPEcho(VppTestCase):
""" ICMP Echo Test Case """
icmp_id = 0xb
icmp_seq = 5
- icmp_load = '\x0a' * 18
+ icmp_load = b'\x0a' * 18
p_echo_request = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10")
self.vapi.sw_interface_add_del_address(
- sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
- address_length=16)
+ sw_if_index=self.pg0.sw_if_index,
+ prefix=VppIpPrefix("10.10.10.10", 16).encode())
pn = (Ether(src=self.pg1.remote_mac,
dst=self.pg1.local_mac) /
# remove the sub-net and we are forwarding via the cover again
self.vapi.sw_interface_add_del_address(
- sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
- address_length=16, is_add=0)
+ sw_if_index=self.pg0.sw_if_index,
+ prefix=VppIpPrefix("10.10.10.10", 16).encode(), is_add=0)
+
self.pg1.add_stream(pn)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10")
self.vapi.sw_interface_add_del_address(
- sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
- address_length=31)
+ sw_if_index=self.pg0.sw_if_index,
+ prefix=VppIpPrefix("10.10.10.10", 31).encode())
pn = (Ether(src=self.pg1.remote_mac,
dst=self.pg1.local_mac) /
# remove the sub-net and we are forwarding via the cover again
self.vapi.sw_interface_add_del_address(
- sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
- address_length=31, is_add=0)
+ sw_if_index=self.pg0.sw_if_index,
+ prefix=VppIpPrefix("10.10.10.10", 31).encode(), is_add=0)
+
self.pg1.add_stream(pn)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
packets = self.dst_if.get_capture(3)
# Assume VPP sends the fragments in order
- payload = ''
+ payload = b''
for p in packets:
payload_offset = p.frag * 8
if payload_offset > 0:
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