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-rw-r--r--test/test_nat44_ed.py47
-rw-r--r--test/test_nat44_ei.py55
2 files changed, 100 insertions, 2 deletions
diff --git a/test/test_nat44_ed.py b/test/test_nat44_ed.py
index 6b0eedcec20..8a8c96870f4 100644
--- a/test/test_nat44_ed.py
+++ b/test/test_nat44_ed.py
@@ -6,7 +6,7 @@ from random import randint, choice
import scapy.compat
from framework import tag_fixme_ubuntu2204, is_distro_ubuntu2204
-from framework import VppTestCase, VppTestRunner
+from framework import VppTestCase, VppTestRunner, VppLoInterface
from scapy.data import IP_PROTOS
from scapy.layers.inet import IP, TCP, UDP, ICMP, GRE
from scapy.layers.inet import IPerror, TCPerror
@@ -2552,6 +2552,51 @@ class TestNAT44ED(VppTestCase):
in_if.unconfig()
out_if.unconfig()
+ def test_delete_interface(self):
+ """NAT44ED delete nat interface"""
+
+ self.nat_add_address(self.nat_addr)
+
+ interfaces = self.create_loopback_interfaces(4)
+ self.nat_add_outside_interface(interfaces[0])
+ self.nat_add_inside_interface(interfaces[1])
+ self.nat_add_outside_interface(interfaces[2])
+ self.nat_add_inside_interface(interfaces[2])
+ self.vapi.nat44_ed_add_del_output_interface(
+ sw_if_index=interfaces[3].sw_if_index, is_add=1
+ )
+
+ nat_sw_if_indices = [
+ i.sw_if_index
+ for i in self.vapi.nat44_interface_dump()
+ + list(self.vapi.vpp.details_iter(self.vapi.nat44_ed_output_interface_get))
+ ]
+ self.assertEqual(len(nat_sw_if_indices), len(interfaces))
+
+ loopbacks = []
+ for i in interfaces:
+ # delete nat-enabled interface
+ self.assertIn(i.sw_if_index, nat_sw_if_indices)
+ i.remove_vpp_config()
+
+ # create interface with the same index
+ lo = VppLoInterface(self)
+ loopbacks.append(lo)
+ self.assertEqual(lo.sw_if_index, i.sw_if_index)
+
+ # check interface is not nat-enabled
+ nat_sw_if_indices = [
+ i.sw_if_index
+ for i in self.vapi.nat44_interface_dump()
+ + list(
+ self.vapi.vpp.details_iter(self.vapi.nat44_ed_output_interface_get)
+ )
+ ]
+ self.assertNotIn(lo.sw_if_index, nat_sw_if_indices)
+
+ for i in loopbacks:
+ i.remove_vpp_config()
+
@tag_fixme_ubuntu2204
class TestNAT44EDMW(TestNAT44ED):
diff --git a/test/test_nat44_ei.py b/test/test_nat44_ei.py
index 259c445ea5b..955dbb52547 100644
--- a/test/test_nat44_ei.py
+++ b/test/test_nat44_ei.py
@@ -9,7 +9,7 @@ from io import BytesIO
import scapy.compat
from framework import tag_fixme_debian11, is_distro_debian11
-from framework import VppTestCase, VppTestRunner
+from framework import VppTestCase, VppTestRunner, VppLoInterface
from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
from scapy.all import (
bind_layers,
@@ -4061,6 +4061,59 @@ class TestNAT44EI(MethodHolder):
# a nonzero default should be reported for user_sessions
self.assertNotEqual(nat44_ei_config.user_sessions, 0)
+ def test_delete_interface(self):
+ """NAT44EI delete nat interface"""
+
+ self.nat44_add_address(self.nat_addr)
+
+ interfaces = self.create_loopback_interfaces(4)
+
+ self.vapi.nat44_ei_interface_add_del_feature(
+ sw_if_index=interfaces[0].sw_if_index, is_add=1
+ )
+ flags = self.config_flags.NAT44_EI_IF_INSIDE
+ self.vapi.nat44_ei_interface_add_del_feature(
+ sw_if_index=interfaces[1].sw_if_index, flags=flags, is_add=1
+ )
+ flags |= self.config_flags.NAT44_EI_IF_OUTSIDE
+ self.vapi.nat44_ei_interface_add_del_feature(
+ sw_if_index=interfaces[2].sw_if_index, flags=flags, is_add=1
+ )
+ self.vapi.nat44_ei_add_del_output_interface(
+ sw_if_index=interfaces[3].sw_if_index, is_add=1
+ )
+
+ nat_sw_if_indices = [
+ i.sw_if_index
+ for i in self.vapi.nat44_ei_interface_dump()
+ + list(self.vapi.vpp.details_iter(self.vapi.nat44_ei_output_interface_get))
+ ]
+ self.assertEqual(len(nat_sw_if_indices), len(interfaces))
+
+ loopbacks = []
+ for i in interfaces:
+ # delete nat-enabled interface
+ self.assertIn(i.sw_if_index, nat_sw_if_indices)
+ i.remove_vpp_config()
+
+ # create interface with the same index
+ lo = VppLoInterface(self)
+ loopbacks.append(lo)
+ self.assertEqual(lo.sw_if_index, i.sw_if_index)
+
+ # check interface is not nat-enabled
+ nat_sw_if_indices = [
+ i.sw_if_index
+ for i in self.vapi.nat44_ei_interface_dump()
+ + list(
+ self.vapi.vpp.details_iter(self.vapi.nat44_ei_output_interface_get)
+ )
+ ]
+ self.assertNotIn(lo.sw_if_index, nat_sw_if_indices)
+
+ for i in loopbacks:
+ i.remove_vpp_config()
+
class TestNAT44Out2InDPO(MethodHolder):
"""NAT44EI Test Cases using out2in DPO"""