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test-network: add tests for MTUBytes= for bridge master and ports

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Prompted by #24311.
This commit is contained in:
Yu Watanabe 2022-08-17 01:59:56 +09:00 committed by Frantisek Sumsal
parent 1abe15fe9d
commit 21d0ed68ee
4 changed files with 51 additions and 11 deletions
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3
test/test-network/conf/25-bridge99.network
View file

@ -2,6 +2,9 @@
[Match]
Name=bridge99
[Link]
MTUBytes=9000
[Network]
Address=192.168.0.15/24
Gateway=192.168.0.1

3
test/test-network/conf/26-bridge-slave-interface-1.network
View file

@ -2,6 +2,9 @@
[Match]
Name=dummy98
[Link]
MTUBytes=9000
[Network]
Bridge=bridge99

3
test/test-network/conf/26-bridge-slave-interface-2.network
View file

@ -2,6 +2,9 @@
[Match]
Name=test1
[Link]
MTUBytes=9000
[Network]
Bridge=bridge99

53
test/test-network/systemd-networkd-tests.py
View file

@ -3796,19 +3796,25 @@ class NetworkdBridgeTests(unittest.TestCase, Utilities):
start_networkd()
self.wait_online(['dummy98:enslaved', 'test1:enslaved', 'bridge99:routable'])
output = check_output('ip -d link show bridge99')
print(output)
self.assertIn('mtu 9000 ', output)
output = check_output('ip -d link show test1')
print(output)
self.assertRegex(output, 'master')
self.assertRegex(output, 'bridge')
self.assertIn('master bridge99 ', output)
self.assertIn('bridge_slave', output)
self.assertIn('mtu 9000 ', output)
output = check_output('ip -d link show dummy98')
print(output)
self.assertRegex(output, 'master')
self.assertRegex(output, 'bridge')
self.assertIn('master bridge99 ', output)
self.assertIn('bridge_slave', output)
self.assertIn('mtu 9000 ', output)
output = check_output('ip addr show bridge99')
print(output)
self.assertRegex(output, '192.168.0.15/24')
self.assertIn('192.168.0.15/24', output)
output = check_output('bridge -d link show dummy98')
print(output)
@ -3833,7 +3839,7 @@ class NetworkdBridgeTests(unittest.TestCase, Utilities):
check_output('ip address add 192.168.0.16/24 dev bridge99')
output = check_output('ip addr show bridge99')
print(output)
self.assertRegex(output, '192.168.0.16/24')
self.assertIn('192.168.0.16/24', output)
# for issue #6088
print('### ip -6 route list table all dev bridge99')
@ -3842,24 +3848,49 @@ class NetworkdBridgeTests(unittest.TestCase, Utilities):
self.assertRegex(output, 'ff00::/8 table local (proto kernel )?metric 256 (linkdown )?pref medium')
remove_link('test1')
self.wait_operstate('bridge99', 'degraded-carrier')
remove_link('dummy98')
output = check_output('ip -d link show bridge99')
print(output)
self.assertIn('mtu 9000 ', output)
output = check_output('ip -d link show dummy98')
print(output)
self.assertIn('master bridge99 ', output)
self.assertIn('bridge_slave', output)
self.assertIn('mtu 9000 ', output)
remove_link('dummy98')
self.wait_operstate('bridge99', 'no-carrier')
output = check_output('ip -d link show bridge99')
print(output)
# When no carrier, the kernel may reset the MTU
self.assertIn('NO-CARRIER', output)
output = check_output('ip address show bridge99')
print(output)
self.assertRegex(output, 'NO-CARRIER')
self.assertNotRegex(output, '192.168.0.15/24')
self.assertRegex(output, '192.168.0.16/24') # foreign address is kept
self.assertNotIn('192.168.0.15/24', output)
self.assertIn('192.168.0.16/24', output) # foreign address is kept
print('### ip -6 route list table all dev bridge99')
output = check_output('ip -6 route list table all dev bridge99')
print(output)
self.assertRegex(output, 'ff00::/8 table local (proto kernel )?metric 256 (linkdown )?pref medium')
check_output('ip link add dummy98 type dummy')
self.wait_online(['dummy98:enslaved', 'bridge99:routable'])
output = check_output('ip -d link show bridge99')
print(output)
self.assertIn('mtu 9000 ', output)
output = check_output('ip -d link show dummy98')
print(output)
self.assertIn('master bridge99 ', output)
self.assertIn('bridge_slave', output)
self.assertIn('mtu 9000 ', output)
def test_bridge_configure_without_carrier(self):
copy_network_unit('26-bridge.netdev', '26-bridge-configure-without-carrier.network',
'11-dummy.netdev')