Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
avocado/tasst/meta/veth.py | 5 +++++
avocado/tasst/site.py | 9 +++++++++
2 files changed, 14 insertions(+)
diff --git a/avocado/tasst/meta/veth.py b/avocado/tasst/meta/veth.py
index c4cdcf7..301ccb9 100644
--- a/avocado/tasst/meta/veth.py
+++ b/avocado/tasst/meta/veth.py
@@ -41,3 +41,8 @@ class VethTasst(Tasst):
with self.setup_veth() as (ns1, ns2):
self.assertCountEqual(ns1.ifs(), ['lo', 'veth1'])
self.assertCountEqual(ns2.ifs(), ['lo', 'veth2'])
+
+ def test_mtu(self):
+ with self.setup_veth() as (ns1, ns2):
+ self.assertEquals(ns1.mtu('veth1'), 1500)
+ self.assertEquals(ns2.mtu('veth2'), 1500)
diff --git a/avocado/tasst/site.py b/avocado/tasst/site.py
index 3cb3721..f19a3fc 100644
--- a/avocado/tasst/site.py
+++ b/avocado/tasst/site.py
@@ -61,6 +61,11 @@ class Site(contextlib.AbstractContextManager):
self.require_cmds('ip')
self.fg('ip link set {} up'.format(ifname), sudo=True)
+ def mtu(self, ifname):
+ self.require_cmds('ip')
+ (info,) = json.loads(self.output('ip -j link show {}'.format(ifname)))
+ return info['mtu']
+
def addrinfos(self, ifname, **filter):
self.require_cmds('ip')
info = json.loads(self.output('ip -j addr show {}'.format(ifname)))
@@ -129,6 +134,10 @@ class SiteTasst(Tasst):
for a in ['127.0.0.1/8', '::1/128']]
self.assertCountEqual(site.addrs('lo'), expected)
+ def test_lo_mtu(self):
+ with self.setup_site() as site:
+ self.assertEqual(site.mtu('lo'), 65536)
+
class IsolatedSiteTasst(SiteTasst):
"""
--
2.40.1