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authorpmikus <peter.mikus@protonmail.ch>2023-08-25 08:30:01 +0000
committerPeter Mikus <peter.mikus@protonmail.ch>2023-09-21 06:25:22 +0000
commitae2461388f4751093dd07ffa3ce25fae0e706f1c (patch)
treedf057cfcfa4f6932f0e392daf5f0457b62b481d6 /resources/libraries/python
parentf67c6ca7cb2fa7c0a62f34931d69db71ba1092ff (diff)
feat(core): Multilink backend
Signed-off-by: pmikus <peter.mikus@protonmail.ch> Change-Id: I8d168979ab9722e0056e97edb228f29cbfa245e3
Diffstat (limited to 'resources/libraries/python')
-rw-r--r--resources/libraries/python/IPTopology.py97
-rw-r--r--resources/libraries/python/TrafficGenerator.py101
2 files changed, 150 insertions, 48 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
+ )
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index afb9388111..4543bae87b 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -278,64 +278,69 @@ class TrafficGenerator(AbstractMeasurer):
else:
return "none"
- def initialize_traffic_generator(
- self, tg_node, tg_if1, tg_if2, tg_if1_adj_node, tg_if1_adj_if,
- tg_if2_adj_node, tg_if2_adj_if, osi_layer, tg_if1_dst_mac=None,
- tg_if2_dst_mac=None):
+ def initialize_traffic_generator(self, osi_layer, parallel_links=1):
"""TG initialization.
- :param tg_node: Traffic generator node.
- :param tg_if1: TG - name of first interface.
- :param tg_if2: TG - name of second interface.
- :param tg_if1_adj_node: TG if1 adjecent node.
- :param tg_if1_adj_if: TG if1 adjecent interface.
- :param tg_if2_adj_node: TG if2 adjecent node.
- :param tg_if2_adj_if: TG if2 adjecent interface.
:param osi_layer: 'L2', 'L3' or 'L7' - OSI Layer testing type.
- :param tg_if1_dst_mac: Interface 1 destination MAC address.
- :param tg_if2_dst_mac: Interface 2 destination MAC address.
- :type tg_node: dict
- :type tg_if1: str
- :type tg_if2: str
- :type tg_if1_adj_node: dict
- :type tg_if1_adj_if: str
- :type tg_if2_adj_node: dict
- :type tg_if2_adj_if: str
+ :param parallel_links: Number of parallel links to configure.
:type osi_layer: str
- :type tg_if1_dst_mac: str
- :type tg_if2_dst_mac: str
- :returns: nothing
- :raises RuntimeError: In case of issue during initialization.
+ :type parallel_links: int
+ :raises ValueError: If OSI layer is unknown.
"""
- subtype = check_subtype(tg_node)
+ if osi_layer not in ("L2", "L3", "L7"):
+ raise ValueError("Unknown OSI layer!")
+
+ topology = BuiltIn().get_variable_value("&{topology_info}")
+ self._node = topology["TG"]
+ subtype = check_subtype(self._node)
+
if subtype == NodeSubTypeTG.TREX:
- self._node = tg_node
+ trex_topology = list()
self._mode = TrexMode.ASTF if osi_layer == "L7" else TrexMode.STL
- if osi_layer == "L2":
- tg_if1_adj_addr = Topology().get_interface_mac(tg_node, tg_if2)
- tg_if2_adj_addr = Topology().get_interface_mac(tg_node, tg_if1)
- elif osi_layer in ("L3", "L7"):
- tg_if1_adj_addr = Topology().get_interface_mac(
- tg_if1_adj_node, tg_if1_adj_if
+ for l in range(1, parallel_links*2, 2):
+ tg_if1_adj_addr = topology[f"TG_pf{l+1}_mac"][0]
+ tg_if2_adj_addr = topology[f"TG_pf{l}_mac"][0]
+ if osi_layer in ("L3", "L7"):
+ ifl = BuiltIn().get_variable_value("${int}")
+ last = topology["duts_count"]
+ tg_if1_adj_addr = Topology().get_interface_mac(
+ topology["DUT1"],
+ BuiltIn().get_variable_value(
+ f"${{DUT1_{ifl}{l}}}[0]"
+ )
+ )
+ tg_if2_adj_addr = Topology().get_interface_mac(
+ topology[f"DUT{last}"],
+ BuiltIn().get_variable_value(
+ f"${{DUT{last}_{ifl}{l+1}}}[0]"
+ )
+ )
+
+ trex_topology.append(
+ dict(
+ interface=topology[f"TG_pf{l}"][0],
+ dst_mac=tg_if1_adj_addr
+ )
)
- tg_if2_adj_addr = Topology().get_interface_mac(
- tg_if2_adj_node, tg_if2_adj_if
+ trex_topology.append(
+ dict(
+ interface=topology[f"TG_pf{l+1}"][0],
+ dst_mac=tg_if2_adj_addr
+ )
)
- else:
- raise ValueError("Unknown OSI layer!")
-
- tg_topology = list()
- tg_topology.append(dict(interface=tg_if1, dst_mac=tg_if1_adj_addr))
- tg_topology.append(dict(interface=tg_if2, dst_mac=tg_if2_adj_addr))
- if1_pci = Topology().get_interface_pci_addr(self._node, tg_if1)
- if2_pci = Topology().get_interface_pci_addr(self._node, tg_if2)
- if min(if1_pci, if2_pci) != if1_pci:
- self._ifaces_reordered = True
- tg_topology.reverse()
-
- TrexInitConfig.init_trex_startup_configuration(tg_node, tg_topology)
- TrafficGenerator.startup_trex(tg_node, osi_layer, subtype=subtype)
+ if1_pci = topology[f"TG_pf{l}_pci"][0]
+ if2_pci = topology[f"TG_pf{l+1}_pci"][0]
+ if min(if1_pci, if2_pci) != if1_pci:
+ self._ifaces_reordered = True
+ trex_topology.reverse()
+
+ TrexInitConfig.init_trex_startup_configuration(
+ self._node, trex_topology
+ )
+ TrafficGenerator.startup_trex(
+ self._node, osi_layer, subtype=subtype
+ )
@staticmethod
def startup_trex(tg_node, osi_layer, subtype=None):