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Diffstat (limited to 'resources/libraries/python/IPTopology.py')
| -rw-r--r-- | resources/libraries/python/IPTopology.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/resources/libraries/python/IPTopology.py b/resources/libraries/python/IPTopology.py new file mode 100644 index 0000000000..1e5a18042d --- /dev/null +++ b/resources/libraries/python/IPTopology.py @@ -0,0 +1,97 @@ +# Copyright (c) 2023 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: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""IP Topology Library.""" + +from robot.libraries.BuiltIn import BuiltIn + +from resources.libraries.python.IPUtil import IPUtil + + +class IPTopology: + """IP Topology Library.""" + + @staticmethod + def initialize_ipv4_forwarding(count=1, parallel_links=1): + """ + Custom setup of IPv4 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 parallel_links: Number of parallel links to configure. + :type count: int + :type parallel_links: int + """ + topology = BuiltIn().get_variable_value("&{topology_info}") + dut = topology["duts"][-1] + ifl = BuiltIn().get_variable_value("${int}") + + for l, i in zip(range(parallel_links), range(1, parallel_links*2, 2)): + dut1_int1 = BuiltIn().get_variable_value(f"${{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"${{{dut}_{ifl}{i+1}}}[0]") + + IPUtil.vpp_add_ip_neighbor( + topology["DUT1"], dut1_int1, f"1.{l}.1.1", + topology[f"TG_pf{i}_mac"][0] + ) + if dut == "DUT2": + dut_mac1 = BuiltIn().get_variable_value( + f"${{{dut}_{ifl}{i}_mac}}[0]" + ) + IPUtil.vpp_add_ip_neighbor( + topology["DUT1"], dut1_int2, f"3.{l}.3.2", 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"3.{l}.3.1", dut_mac2 + ) + IPUtil.vpp_add_ip_neighbor( + topology[dut], dut_int2, f"2.{l}.2.1", + topology[f"TG_pf{i}_mac"][0] + ) + + IPUtil.vpp_interface_set_ip_address( + topology["DUT1"], dut1_int1, f"1.{l}.1.2", 30 + ) + if dut == "DUT2": + IPUtil.vpp_interface_set_ip_address( + topology["DUT1"], dut1_int2, f"3.{l}.3.1", 30 + ) + IPUtil.vpp_interface_set_ip_address( + topology["DUT2"], dut_int1, f"3.{l}.3.2", 30 + ) + IPUtil.vpp_interface_set_ip_address( + topology[dut], dut_int2, f"2.{l}.2.2", 30 + ) + + IPUtil.vpp_route_add( + topology["DUT1"], f"{i}0.0.0.0", 32, gateway=f"1.{l}.1.1", + interface=dut1_int1, count=count + ) + if dut == "DUT2": + IPUtil.vpp_route_add( + topology["DUT1"], f"{i+1}0.0.0.0", 32, gateway=f"3.{l}.3.2", + interface=dut1_int2, count=count + ) + IPUtil.vpp_route_add( + topology["DUT2"], f"{i}0.0.0.0", 32, gateway=f"3.{l}.3.1", + interface=dut_int1, count=count + ) + IPUtil.vpp_route_add( + topology[dut], f"{i+1}0.0.0.0", 32, gateway=f"2.{l}.2.1", + interface=dut_int2, count=count + ) |