From ab2aeec41a2ef34730b9dc8894b184e0bf00b147 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Tue, 3 Oct 2023 20:51:21 +0200 Subject: pppoe: T5630: verify MRU is less or equal then MTU (cherry picked from commit e357258e645cf85de0035d4ecfbf99db4dd90f7e) --- smoketest/scripts/cli/test_interfaces_pppoe.py | 11 ++++++++--- src/conf_mode/interfaces-pppoe.py | 5 +++++ 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/smoketest/scripts/cli/test_interfaces_pppoe.py b/smoketest/scripts/cli/test_interfaces_pppoe.py index 6774a86ba..2aaccbb13 100755 --- a/smoketest/scripts/cli/test_interfaces_pppoe.py +++ b/smoketest/scripts/cli/test_interfaces_pppoe.py @@ -64,7 +64,7 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase): self.cli_set(base_path + [interface, 'authentication', 'password', passwd]) self.cli_set(base_path + [interface, 'default-route', 'auto']) self.cli_set(base_path + [interface, 'mtu', mtu]) - self.cli_set(base_path + [interface, 'mru', mru]) + self.cli_set(base_path + [interface, 'mru', '9000']) self.cli_set(base_path + [interface, 'no-peer-dns']) # check validate() - a source-interface is required @@ -72,8 +72,13 @@ class PPPoEInterfaceTest(VyOSUnitTestSHIM.TestCase): self.cli_commit() self.cli_set(base_path + [interface, 'source-interface', self._source_interface]) - # commit changes - self.cli_commit() + # check validate() - MRU needs to be less or equal then MTU + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_set(base_path + [interface, 'mru', mru]) + + # commit changes + self.cli_commit() # verify configuration file(s) for interface in self._interfaces: diff --git a/src/conf_mode/interfaces-pppoe.py b/src/conf_mode/interfaces-pppoe.py index 6c4c6c95b..49714c558 100755 --- a/src/conf_mode/interfaces-pppoe.py +++ b/src/conf_mode/interfaces-pppoe.py @@ -59,6 +59,11 @@ def verify(pppoe): if {'connect_on_demand', 'vrf'} <= set(pppoe): raise ConfigError('On-demand dialing and VRF can not be used at the same time') + # both MTU and MRU have default values, thus we do not need to check + # if the key exists + if int(pppoe['mru']) > int(pppoe['mtu']): + raise ConfigError('PPPoE MRU needs to be lower then MTU!') + return None def generate(pppoe): -- cgit v1.2.3