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-rwxr-xr-xsrc/conf_mode/interfaces-ethernet.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py
index d8b637dd7..ed6396acf 100755
--- a/src/conf_mode/interfaces-ethernet.py
+++ b/src/conf_mode/interfaces-ethernet.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2019-2020 VyOS maintainers and contributors
+# Copyright (C) 2019-2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -75,9 +75,15 @@ def verify(ethernet):
verify_vrf(ethernet)
verify_eapol(ethernet)
+ ifname = ethernet['ifname']
+ # verify offloading capabilities
+ if 'offload' in ethernet and 'rps' in ethernet['offload']:
+ if not os.path.exists(f'/sys/class/net/{ifname}/queues/rx-0/rps_cpus'):
+ raise ConfigError('Interface does not suport RPS!')
+
# XDP requires multiple TX queues
if 'xdp' in ethernet:
- queues = glob('/sys/class/net/{ifname}/queues/tx-*'.format(**ethernet))
+ queues = glob(f'/sys/class/net/{ifname}/queues/tx-*')
if len(queues) < 2:
raise ConfigError('XDP requires additional TX queues, too few available!')