X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FIPTopology.py;h=9648ed18818043dd0a3d23e08cc740ee998840b8;hb=5841dee1f0b3c01651b44d6861931dec3312ad13;hp=6255583110660f37c9ca3844ea0c88dde8f28ca6;hpb=00531ec6ec978e4beb18db17973bb0d81b9b5934;p=csit.git

diff --git a/resources/libraries/python/IPTopology.py b/resources/libraries/python/IPTopology.py
index 6255583110..9648ed1881 100644
--- a/resources/libraries/python/IPTopology.py
+++ b/resources/libraries/python/IPTopology.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 Cisco and/or its affiliates.
+# Copyright (c) 2024 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
@@ -95,3 +95,79 @@ class IPTopology:
                 topology[dut], f"{i+1}0.0.0.0", 32, gateway=f"2.{l}.2.1",
                 interface=dut_int2, count=count
             )
+
+
+    @staticmethod
+    def initialize_ipv6_forwarding(count=1, pfs=2):
+        """
+        Custom setup of IPv6 forwarding with scalability of IP routes on all
+        DUT nodes in 2-node / 3-node circular topology.
+
+        :param count: Number of routes to configure.
+        :param pfs: Number of physical interfaces to configure.
+        :type count: int
+        :type pfs: int
+        """
+        topology = BuiltIn().get_variable_value("&{topology_info}")
+        dut = topology["duts"][-1]
+        ifl = BuiltIn().get_variable_value("${int}")
+
+        for l, i in zip(range(pfs // 2), range(1, pfs, 2)):
+            dut1_int1 = BuiltIn().get_variable_value(f"${{DUT1_{ifl}{i}}}[0]")
+            dut1_int2 = BuiltIn().get_variable_value(f"${{DUT1_{ifl}{i+1}}}[0]")
+            dut_int1 = BuiltIn().get_variable_value(f"${{{dut}_{ifl}{i}}}[0]")
+            dut_int2 = BuiltIn().get_variable_value(f"${{{dut}_{ifl}{i+1}}}[0]")
+
+            IPUtil.vpp_add_ip_neighbor(
+                topology["DUT1"], dut1_int1, f"2001:{l}::1",
+                topology[f"TG_pf{i}_mac"][0]
+            )
+            if dut == "DUT2":
+                dut_mac1 = BuiltIn().get_variable_value(
+                    f"${{{dut}_{ifl}{i}_mac}}[0]"
+                )
+                IPUtil.vpp_add_ip_neighbor(
+                    topology["DUT1"], dut1_int2, f"2003:{l}::2", dut_mac1
+                )
+                dut_mac2 = BuiltIn().get_variable_value(
+                    f"${{DUT1_{ifl}{i+1}_mac}}[0]"
+                )
+                IPUtil.vpp_add_ip_neighbor(
+                    topology["DUT2"], dut_int1, f"2003:{l}::1", dut_mac2
+                )
+            IPUtil.vpp_add_ip_neighbor(
+                topology[dut], dut_int2, f"2002:{l}::1",
+                topology[f"TG_pf{i+1}_mac"][0]
+            )
+
+            IPUtil.vpp_interface_set_ip_address(
+                topology["DUT1"], dut1_int1, f"2001:{l}::2", 64
+            )
+            if dut == "DUT2":
+                IPUtil.vpp_interface_set_ip_address(
+                    topology["DUT1"], dut1_int2, f"2003:{l}::1", 64
+                )
+                IPUtil.vpp_interface_set_ip_address(
+                    topology["DUT2"], dut_int1, f"2003:{l}::2", 64
+                )
+            IPUtil.vpp_interface_set_ip_address(
+                topology[dut], dut_int2, f"2002:{l}::2", 64
+            )
+
+            IPUtil.vpp_route_add(
+                topology["DUT1"], f"2{i}00::0", 64,
+                gateway=f"2001:{l}::1", interface=dut1_int1, count=count
+            )
+            if dut == "DUT2":
+                IPUtil.vpp_route_add(
+                    topology["DUT1"], f"2{i+1}00::0", 64,
+                    gateway=f"2003:{l}::2", interface=dut1_int2, count=count
+                )
+                IPUtil.vpp_route_add(
+                    topology["DUT2"], f"2{i}00::0", 64,
+                    gateway=f"2003:{l}::1", interface=dut_int1, count=count
+                )
+            IPUtil.vpp_route_add(
+                topology[dut], f"2{i+1}00::0", 64,
+                gateway=f"2002:{l}::1", interface=dut_int2, count=count
+            )
\ No newline at end of file