diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_ip4.py | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/test/test_ip4.py b/test/test_ip4.py index 3f2894d01c1..b337e63a957 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -2733,5 +2733,140 @@ class TestIPv4PathMTU(VppTestCase): self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) +class TestIPv4ItfRebind(VppTestCase): + """ IPv4 Interface Bind w/ attached routes """ + + def setUp(self): + super(TestIPv4ItfRebind, self).setUp() + + self.create_pg_interfaces(range(3)) + + def tearDown(self): + super(TestIPv4ItfRebind, self).tearDown() + + def test_rebind(self): + """ Import to no import """ + + TABLE_ID = 1 + tbl = VppIpTable(self, TABLE_ID).add_vpp_config() + self.pg1.set_table_ip4(TABLE_ID) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + # add an attached route via an pg0 + # in a different table. this prefix should import + rt = VppIpRoute(self, self.pg0.local_ip4, 24, + [VppRoutePath("0.0.0.0", + self.pg0.sw_if_index)], + table_id=TABLE_ID).add_vpp_config() + + p = (Ether(dst=self.pg1.local_mac, + src=self.pg1.remote_mac) / + IP(src=self.pg1.remote_ip4, + dst=self.pg0.remote_ip4) / + UDP(sport=1234, dport=5678) / + Raw(b'0xa' * 640)) + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # then bind pg0 to a new table + # so the prefix no longer imports + self.pg0.unconfig_ip4() + self.pg0.set_table_ip4(TABLE_ID) + self.pg0.config_ip4() + self.pg0.resolve_arp() + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # revert back to imported + self.pg0.unconfig_ip4() + self.pg0.set_table_ip4(0) + self.pg0.config_ip4() + self.pg0.resolve_arp() + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # cleanup + for i in self.pg_interfaces: + i.unconfig_ip4() + i.set_table_ip4(0) + i.admin_down() + + rt.remove_vpp_config() + tbl.remove_vpp_config() + + def test_delete(self): + """ Swap import tables """ + + TABLE_ID1 = 1 + tbl1_4 = VppIpTable(self, TABLE_ID1).add_vpp_config() + tbl1_6 = VppIpTable(self, TABLE_ID1, True).add_vpp_config() + TABLE_ID2 = 2 + tbl2_4 = VppIpTable(self, TABLE_ID2).add_vpp_config() + tbl2_6 = VppIpTable(self, TABLE_ID2, True).add_vpp_config() + + # table mappings + self.pg1.set_table_ip4(TABLE_ID1) + self.pg1.set_table_ip6(TABLE_ID1) + self.pg2.set_table_ip4(TABLE_ID2) + self.pg2.set_table_ip6(TABLE_ID2) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + # add an attached route in the default table via pg0 + # this should import to table 1 + rt4 = VppIpRoute(self, self.pg1.local_ip4, 24, + [VppRoutePath("0.0.0.0", + self.pg1.sw_if_index)]).add_vpp_config() + rt6 = VppIpRoute(self, self.pg1.local_ip6, 64, + [VppRoutePath("0.0.0.0", + self.pg1.sw_if_index)]).add_vpp_config() + + p1 = (Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + IP(src=self.pg1.remote_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1234, dport=5678) / + Raw(b'0xa' * 640)) + + # inject into table 0 + rx = self.send_and_expect(self.pg0, [p1], self.pg1) + self.assertFalse(rx[0].haslayer(ARP)) + + # swap the attached interface to table 2 + self.pg1.unconfig_ip4() + self.pg1.unconfig_ip6() + self.pg1.set_table_ip4(TABLE_ID2) + self.pg1.set_table_ip6(TABLE_ID2) + self.pg1.config_ip4() + self.pg1.config_ip6() + self.pg1.resolve_arp() + + # delete table 1 + tbl1_4.flush() + tbl1_6.flush() + tbl1_4.remove_vpp_config() + tbl1_6.remove_vpp_config() + + rx = self.send_and_expect(self.pg0, [p1], self.pg1) + self.assertFalse(rx[0].haslayer(ARP)) + + for i in self.pg_interfaces: + i.unconfig_ip4() + i.unconfig_ip6() + i.set_table_ip4(0) + i.set_table_ip6(0) + i.admin_down() + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |