Separate files needing GPL license

[csit.git] / resources / libraries / python / InterfaceUtil.py

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 9dcd1f8..bfc0ba7 100644 (file)
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -25,7 +25,7 @@ from resources.libraries.python.IPAddress import IPAddress
 from resources.libraries.python.L2Util import L2Util
 from resources.libraries.python.PapiExecutor import PapiSocketExecutor
 from resources.libraries.python.parsers.JsonParser import JsonParser
-from resources.libraries.python.ssh import SSH, exec_cmd_no_error
+from resources.libraries.python.ssh import SSH, exec_cmd, exec_cmd_no_error
 from resources.libraries.python.topology import NodeType, Topology
 from resources.libraries.python.VPPUtil import VPPUtil
 
@@ -228,45 +228,59 @@ class InterfaceUtil:
             )
 
     @staticmethod
-    def set_interface_ethernet_mtu(node, iface_key, mtu):
-        """Set Ethernet MTU for specified interface.
+    def set_interface_mtu(node, pf_pcis, mtu=9200):
+        """Set Ethernet MTU for specified interfaces.
 
-        Function can be used only for TGs.
-
-        :param node: Node where the interface is.
-        :param iface_key: Interface key from topology file.
-        :param mtu: MTU to set.
-        :type node: dict
-        :type iface_key: str
+        :param node: Topology node.
+        :param pf_pcis: List of node's interfaces PCI addresses.
+        :param mtu: MTU to set. Default: 9200.
+        :type nodes: dict
+        :type pf_pcis: list
         :type mtu: int
-        :returns: Nothing.
-        :raises ValueError: If the node type is "DUT".
-        :raises ValueError: If the node has an unknown node type.
+        :raises RuntimeError: If failed to set MTU on interface.
         """
-        if node[u"type"] == NodeType.DUT:
-            msg = f"Node {node[u'host']}: Setting Ethernet MTU for interface " \
-                f"on DUT nodes not supported"
-        elif node[u"type"] != NodeType.TG:
-            msg = f"Node {node[u'host']} has unknown NodeType: {node[u'type']}"
-        else:
-            iface_name = Topology.get_interface_name(node, iface_key)
-            cmd = f"ip link set {iface_name} mtu {mtu}"
+        for pf_pci in pf_pcis:
+            pf_eth = InterfaceUtil.pci_to_eth(node, pf_pci)
+            cmd = f"ip link set {pf_eth} mtu {mtu}"
             exec_cmd_no_error(node, cmd, sudo=True)
-            return
-        raise ValueError(msg)
 
     @staticmethod
-    def set_default_ethernet_mtu_on_all_interfaces_on_node(node):
-        """Set default Ethernet MTU on all interfaces on node.
+    def set_interface_flow_control(node, pf_pcis, rx=u"off", tx=u"off"):
+        """Set Ethernet flow control for specified interfaces.
 
-        Function can be used only for TGs.
+        :param node: Topology node.
+        :param pf_pcis: List of node's interfaces PCI addresses.
+        :param rx: RX flow. Default: off.
+        :param tx: TX flow. Default: off.
+        :type nodes: dict
+        :type pf_pcis: list
+        :type rx: str
+        :type tx: str
+        """
+        for pf_pci in pf_pcis:
+            pf_eth = InterfaceUtil.pci_to_eth(node, pf_pci)
+            cmd = f"ethtool -A {pf_eth} rx off tx off"
+            ret_code, _, _ = exec_cmd(node, cmd, sudo=True)
+            if int(ret_code) not in (0, 78):
+                raise RuntimeError("Failed to set MTU on {pf_eth}!")
 
-        :param node: Node where to set default MTU.
-        :type node: dict
-        :returns: Nothing.
+
+    @staticmethod
+    def set_pci_parameter(node, pf_pcis, key, value):
+        """Set PCI parameter for specified interfaces.
+
+        :param node: Topology node.
+        :param pf_pcis: List of node's interfaces PCI addresses.
+        :param key: Key to set.
+        :param value: Value to set.
+        :type nodes: dict
+        :type pf_pcis: list
+        :type key: str
+        :type value: str
         """
-        for ifc in node[u"interfaces"]:
-            InterfaceUtil.set_interface_ethernet_mtu(node, ifc, 1500)
+        for pf_pci in pf_pcis:
+            cmd = f"setpci -s {pf_pci} {key}={value}"
+            exec_cmd_no_error(node, cmd, sudo=True)
 
     @staticmethod
     def vpp_set_interface_mtu(node, interface, mtu=9200):