import os
from socket import AF_INET, AF_INET6, inet_pton
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_neighbor import VppNeighbor, find_nbr
from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, \
- VppIpTable, DpoProto, FibPathType
+ VppIpTable, DpoProto, FibPathType, VppIpInterfaceAddress
from vpp_papi import VppEnum
+from vpp_ip import VppIpPuntRedirect
import scapy.compat
from scapy.packet import Raw
ether = rx[Ether]
self.assertEqual(ether.dst, "ff:ff:ff:ff:ff:ff")
self.assertEqual(ether.src, smac)
+ self.assertEqual(ether.type, 0x0806)
arp = rx[ARP]
self.assertEqual(arp.hwtype, 1)
ether = rx[Ether]
self.assertEqual(ether.dst, dmac)
self.assertEqual(ether.src, smac)
+ self.assertEqual(ether.type, 0x0806)
arp = rx[ARP]
self.assertEqual(arp.hwtype, 1)
ether = rx[Ether]
self.assertEqual(ether.dst, dmac)
self.assertEqual(ether.src, smac)
+ self.assertEqual(ether.type, 0x0800)
ip = rx[IP]
self.assertEqual(ip.src, sip)
ether = rx[Ether]
self.assertEqual(ether.dst, dmac)
self.assertEqual(ether.src, smac)
+ self.assertEqual(ether.type, 0x8847)
mpls = rx[MPLS]
self.assertTrue(mpls.label, label)
#
# Configure Proxy ARP for the subnet on PG0addresses on pg0
#
- self.vapi.proxy_arp_add_del(self.pg0._local_ip4_subnet,
- self.pg0._local_ip4_bcast)
+ self.vapi.proxy_arp_add_del(proxy={'table_id': 0,
+ 'low': self.pg0._local_ip4_subnet,
+ 'hi': self.pg0._local_ip4_bcast},
+ is_add=1)
# Make pg2 un-numbered to pg0
#
#
# setup a punt redirect so packets from the uplink go to the tap
#
- self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
- self.pg2.sw_if_index,
- self.pg0.local_ip4)
+ redirect = VppIpPuntRedirect(self, self.pg0.sw_if_index,
+ self.pg2.sw_if_index, self.pg0.local_ip4)
+ redirect.add_vpp_config()
p_tcp = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac,) /
#
# cleanup
#
- self.pg2.set_proxy_arp(0)
- self.vapi.proxy_arp_add_del(self.pg0._local_ip4_subnet,
- self.pg0._local_ip4_bcast,
+ self.vapi.proxy_arp_add_del(proxy={'table_id': 0,
+ 'low': self.pg0._local_ip4_subnet,
+ 'hi': self.pg0._local_ip4_bcast},
is_add=0)
+ redirect.remove_vpp_config()
def test_proxy_arp(self):
""" Proxy ARP """
#
# Configure Proxy ARP for 10.10.10.0 -> 10.10.10.124
#
- self.vapi.proxy_arp_add_del(inet_pton(AF_INET, "10.10.10.2"),
- inet_pton(AF_INET, "10.10.10.124"))
+ self.vapi.proxy_arp_add_del(proxy={'table_id': 0,
+ 'low': "10.10.10.2",
+ 'hi': "10.10.10.124"},
+ is_add=1)
#
# No responses are sent when the interfaces are not enabled for proxy
def test_arp_incomplete(self):
""" ARP Incomplete"""
- self.pg1.generate_remote_hosts(3)
+ self.pg1.generate_remote_hosts(4)
p0 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4,
dst=self.pg1.remote_hosts[2].ip4) /
UDP(sport=1234, dport=1234) /
Raw())
+ p2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4,
+ dst="1.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw())
#
# a packet to an unresolved destination generates an ARP request
is_static=1)
static_arp.add_vpp_config()
+ #
+ # add a route through remote host 3 hence we get an incomplete
+ #
+ VppIpRoute(self, "1.1.1.1", 32,
+ [VppRoutePath(self.pg1.remote_hosts[3].ip4,
+ self.pg1.sw_if_index)]).add_vpp_config()
+ rx = self.send_and_expect(self.pg0, [p2], self.pg1)
+ self.verify_arp_req(rx[0],
+ self.pg1.local_mac,
+ self.pg1.local_ip4,
+ self.pg1._remote_hosts[3].ip4)
+
#
# change the interface's MAC
#
"00:00:00:33:33:33",
self.pg1.local_ip4,
self.pg1._remote_hosts[2].ip4)
+ rx = self.send_and_expect(self.pg0, [p2], self.pg1)
+ self.verify_arp_req(rx[0],
+ "00:00:00:33:33:33",
+ self.pg1.local_ip4,
+ self.pg1._remote_hosts[3].ip4)
#
# packets to the resolved host also have the new source mac
self.pg1.unconfig_ip4()
self.pg1.set_table_ip4(0)
+ def test_glean_src_select(self):
+ """ Multi Connecteds """
+
+ #
+ # configure multiple connected subnets on an interface
+ # and ensure that ARP requests for hosts on those subnets
+ # pick up the correct source address
+ #
+ conn1 = VppIpInterfaceAddress(self, self.pg1,
+ "10.0.0.1", 24).add_vpp_config()
+ conn2 = VppIpInterfaceAddress(self, self.pg1,
+ "10.0.1.1", 24).add_vpp_config()
+
+ p1 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src=self.pg1.remote_ip4,
+ dst="10.0.0.128") /
+ Raw(b'0x5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, [p1], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.0.1",
+ "10.0.0.128")
+
+ p2 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src=self.pg1.remote_ip4,
+ dst="10.0.1.128") /
+ Raw(b'0x5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.1",
+ "10.0.1.128")
+
+ #
+ # add a local address in the same subnet
+ # the source addresses are equivalent. VPP happens to
+ # choose the last one that was added
+ conn3 = VppIpInterfaceAddress(self, self.pg1,
+ "10.0.1.2", 24).add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.2",
+ "10.0.1.128")
+
+ #
+ # remove
+ #
+ conn3.remove_vpp_config()
+ rxs = self.send_and_expect(self.pg0, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.1",
+ "10.0.1.128")
+
+ #
+ # add back, this time remove the first one
+ #
+ conn3 = VppIpInterfaceAddress(self, self.pg1,
+ "10.0.1.2", 24).add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.2",
+ "10.0.1.128")
+
+ conn1.remove_vpp_config()
+ rxs = self.send_and_expect(self.pg0, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.2",
+ "10.0.1.128")
+
+ # apply a connected prefix to an interface in a different table
+ VppIpRoute(self, "10.0.1.0", 24,
+ [VppRoutePath("0.0.0.0",
+ self.pg1.sw_if_index)],
+ table_id=1).add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg3, [p2], self.pg1)
+ for rx in rxs:
+ self.verify_arp_req(rx,
+ self.pg1.local_mac,
+ "10.0.1.2",
+ "10.0.1.128")
+
+ # cleanup
+ conn3.remove_vpp_config()
+ conn2.remove_vpp_config()
+
+@tag_fixme_vpp_workers
class NeighborStatsTestCase(VppTestCase):
""" ARP/ND Counters """
#
# load up some neighbours again with 2s aging enabled
# they should be removed after 10s (2s age + 4s for probes + gap)
+ # check for the add and remove events
#
+ enum = VppEnum.vl_api_ip_neighbor_event_flags_t
+
+ self.vapi.want_ip_neighbor_events_v2(enable=1)
for ii in range(10):
VppNeighbor(self,
self.pg0.sw_if_index,
self.pg0.remote_hosts[ii].mac,
self.pg0.remote_hosts[ii].ip4).add_vpp_config()
+
+ e = self.vapi.wait_for_event(1, "ip_neighbor_event_v2")
+ self.assertEqual(e.flags,
+ enum.IP_NEIGHBOR_API_EVENT_FLAG_ADDED)
+ self.assertEqual(str(e.neighbor.ip_address),
+ self.pg0.remote_hosts[ii].ip4)
+ self.assertEqual(e.neighbor.mac_address,
+ self.pg0.remote_hosts[ii].mac)
+
self.sleep(10)
self.assertFalse(self.vapi.ip_neighbor_dump(sw_if_index=0xffffffff,
af=vaf.ADDRESS_IP4))
+ evs = []
+ for ii in range(10):
+ e = self.vapi.wait_for_event(1, "ip_neighbor_event_v2")
+ self.assertEqual(e.flags,
+ enum.IP_NEIGHBOR_API_EVENT_FLAG_REMOVED)
+ evs.append(e)
+
+ # check we got the correct mac/ip pairs - done separately
+ # because we don't care about the order the remove notifications
+ # arrive
+ for ii in range(10):
+ found = False
+ mac = self.pg0.remote_hosts[ii].mac
+ ip = self.pg0.remote_hosts[ii].ip4
+
+ for e in evs:
+ if (e.neighbor.mac_address == mac and
+ str(e.neighbor.ip_address) == ip):
+ found = True
+ break
+ self.assertTrue(found)
+
#
# check if we can set age and recycle with empty neighbor list
#
Code Review / vpp.git / blobdiff