+ self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index)
+ return self
+
+ def disable_mpls(self):
+ """Enable MPLS on the VPP interface."""
+ self.test.vapi.sw_interface_set_mpls_enable(self.sw_if_index, 0)
+ return self
+
+ def is_ip4_entry_in_fib_dump(self, dump):
+ for i in dump:
+ n = IPv4Network(
+ text_type("%s/%d" % (self.local_ip4, self.local_ip4_prefix_len))
+ )
+ if i.route.prefix == n and i.route.table_id == self.ip4_table_id:
+ return True
+ return False
+
+ def set_unnumbered(self, ip_sw_if_index):
+ """Set the interface to unnumbered via ip_sw_if_index"""
+ self.test.vapi.sw_interface_set_unnumbered(ip_sw_if_index, self.sw_if_index)
+ return self
+
+ def unset_unnumbered(self, ip_sw_if_index):
+ """Unset the interface to unnumbered via ip_sw_if_index"""
+ self.test.vapi.sw_interface_set_unnumbered(
+ ip_sw_if_index, self.sw_if_index, is_add=0
+ )
+ return self
+
+ def set_proxy_arp(self, enable=1):
+ """Set the interface to enable/disable Proxy ARP"""
+ self.test.vapi.proxy_arp_intfc_enable_disable(
+ sw_if_index=self.sw_if_index, enable=enable
+ )
+ return self
+
+ def query_vpp_config(self):
+ dump = self.test.vapi.sw_interface_dump(sw_if_index=self.sw_if_index)
+ return self.is_interface_config_in_dump(dump)
+
+ def get_interface_config_from_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 i
+ else:
+ return None
+
+ def is_interface_config_in_dump(self, dump):
+ return self.get_interface_config_from_dump(dump) is not None
+
+ def assert_interface_state(self, admin_up_down, link_up_down, expect_event=False):
+ if expect_event:
+ event = self.test.vapi.wait_for_event(timeout=1, name="sw_interface_event")
+ self.test.assert_equal(event.sw_if_index, self.sw_if_index, "sw_if_index")
+ self.test.assert_equal((event.flags & 1), admin_up_down, "admin state")
+ self.test.assert_equal((event.flags & 2), link_up_down, "link state")
+ dump = self.test.vapi.sw_interface_dump()
+ if_state = self.get_interface_config_from_dump(dump)
+ self.test.assert_equal((if_state.flags & 1), admin_up_down, "admin state")
+ self.test.assert_equal((if_state.flags & 2), link_up_down, "link state")
+
+ def __str__(self):
+ return self.name
+
+ def get_rx_stats(self):
+ return self.test.statistics["/if/rx"][:, self.sw_if_index].sum_packets()
+
+ def get_tx_stats(self):
+ return self.test.statistics["/if/tx"][:, self.sw_if_index].sum_packets()
+
+ def set_l3_mtu(self, mtu):
+ self.test.vapi.sw_interface_set_mtu(self.sw_if_index, [mtu, 0, 0, 0])
+ return self
+
+ def set_ip4_mtu(self, mtu):
+ self.test.vapi.sw_interface_set_mtu(self.sw_if_index, [0, mtu, 0, 0])
+ return self
+
+ def set_ip6_mtu(self, mtu):
+ self.test.vapi.sw_interface_set_mtu(self.sw_if_index, [0, 0, mtu, 0])
+ return self
+
+ def set_mpls_mtu(self, mtu):
+ self.test.vapi.sw_interface_set_mtu(self.sw_if_index, [0, 0, 0, mtu])
+ return self