diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_neighbor.py | 98 | ||||
| -rw-r--r-- | test/vpp_neighbor.py | 8 |
2 files changed, 104 insertions, 2 deletions
diff --git a/test/test_neighbor.py b/test/test_neighbor.py index 7798fdd5e7c..c161eb8881c 100644 --- a/test/test_neighbor.py +++ b/test/test_neighbor.py @@ -1214,6 +1214,104 @@ class ARPTestCase(VppTestCase): self.vapi.sw_interface_set_mac_address(self.pg2.sw_if_index, mac_string) + def test_garp(self): + """ GARP """ + + # + # Generate some hosts on the LAN + # + self.pg1.generate_remote_hosts(4) + + # + # And an ARP entry + # + arp = VppNeighbor(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[1].mac, + self.pg1.remote_hosts[1].ip4) + arp.add_vpp_config() + + self.assertTrue(find_nbr(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[1].ip4, + mac=self.pg1.remote_hosts[1].mac)) + + # + # Send a GARP (request) to swap the host 1's address to that of host 2 + # + p1 = (Ether(dst="ff:ff:ff:ff:ff:ff", + src=self.pg1.remote_hosts[2].mac) / + ARP(op="who-has", + hwdst=self.pg1.local_mac, + hwsrc=self.pg1.remote_hosts[2].mac, + pdst=self.pg1.remote_hosts[1].ip4, + psrc=self.pg1.remote_hosts[1].ip4)) + + self.pg1.add_stream(p1) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + self.assertTrue(find_nbr(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[1].ip4, + mac=self.pg1.remote_hosts[2].mac)) + + # + # Send a GARP (reply) to swap the host 1's address to that of host 3 + # + p1 = (Ether(dst="ff:ff:ff:ff:ff:ff", + src=self.pg1.remote_hosts[3].mac) / + ARP(op="is-at", + hwdst=self.pg1.local_mac, + hwsrc=self.pg1.remote_hosts[3].mac, + pdst=self.pg1.remote_hosts[1].ip4, + psrc=self.pg1.remote_hosts[1].ip4)) + + self.pg1.add_stream(p1) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + self.assertTrue(find_nbr(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[1].ip4, + mac=self.pg1.remote_hosts[3].mac)) + + # + # GARPs (requets nor replies) for host we don't know yet + # don't result in new neighbour entries + # + p1 = (Ether(dst="ff:ff:ff:ff:ff:ff", + src=self.pg1.remote_hosts[3].mac) / + ARP(op="who-has", + hwdst=self.pg1.local_mac, + hwsrc=self.pg1.remote_hosts[3].mac, + pdst=self.pg1.remote_hosts[2].ip4, + psrc=self.pg1.remote_hosts[2].ip4)) + + self.pg1.add_stream(p1) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + self.assertFalse(find_nbr(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[2].ip4)) + + p1 = (Ether(dst="ff:ff:ff:ff:ff:ff", + src=self.pg1.remote_hosts[3].mac) / + ARP(op="is-at", + hwdst=self.pg1.local_mac, + hwsrc=self.pg1.remote_hosts[3].mac, + pdst=self.pg1.remote_hosts[2].ip4, + psrc=self.pg1.remote_hosts[2].ip4)) + + self.pg1.add_stream(p1) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + self.assertFalse(find_nbr(self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[2].ip4)) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) diff --git a/test/vpp_neighbor.py b/test/vpp_neighbor.py index e8ba3b28823..c08132d1d40 100644 --- a/test/vpp_neighbor.py +++ b/test/vpp_neighbor.py @@ -9,7 +9,7 @@ from vpp_object import * from util import mactobinary -def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET): +def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET, mac=None): nbrs = test.vapi.ip_neighbor_dump(sw_if_index, is_ipv6=1 if AF_INET6 == inet else 0) if inet == AF_INET: @@ -21,7 +21,11 @@ def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET): for n in nbrs: if nbr_addr == n.ip_address[:s] \ and is_static == n.is_static: - return True + if mac: + if n.mac_address == mactobinary(mac): + return True + else: + return True return False |