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-rw-r--r--resources/libraries/python/InterfaceUtil.py24
1 files changed, 10 insertions, 14 deletions
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 24a65e86a9..7e645d1f5f 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -347,32 +347,28 @@ class InterfaceUtil:
exec_cmd_no_error(node, cmd, sudo=True)
@staticmethod
- def vpp_set_interface_mtu(node, interface, mtu=9200):
- """Set Ethernet MTU on interface.
+ def vpp_set_interface_mtu(node, interface, mtu):
+ """Apply new MTU value to a VPP hardware interface.
+
+ The interface should be down when this is called.
:param node: VPP node.
- :param interface: Interface to setup MTU. Default: 9200.
+ :param interface: Interface to set MTU on.
:param mtu: Ethernet MTU size in Bytes.
:type node: dict
:type interface: str or int
:type mtu: int
+ :raises AsserionError: If VPP refused to change the MTU or set if state.
"""
if isinstance(interface, str):
sw_if_index = Topology.get_interface_sw_index(node, interface)
else:
sw_if_index = interface
-
cmd = u"hw_interface_set_mtu"
err_msg = f"Failed to set interface MTU on host {node[u'host']}"
- args = dict(
- sw_if_index=sw_if_index,
- mtu=int(mtu)
- )
- try:
- with PapiSocketExecutor(node) as papi_exec:
- papi_exec.add(cmd, **args).get_reply(err_msg)
- except AssertionError as err:
- logger.debug(f"Setting MTU failed.\n{err}")
+ args = dict(sw_if_index=sw_if_index, mtu=int(mtu))
+ with PapiSocketExecutor(node) as papi_exec:
+ papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
def vpp_node_interfaces_ready_wait(node, retries=15):
@@ -1994,7 +1990,7 @@ class InterfaceUtil:
thread_data = VPPUtil.vpp_show_threads(node)
worker_cnt = len(thread_data) - 1
if not worker_cnt:
- return None
+ return
worker_ids = list()
if workers:
for item in thread_data: