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Date: Tue, 19 Sep 2017 14:42:17 +0200
From: Florian Westphal <fw@...len.de>
To: <netdev@...r.kernel.org>
Cc: Florian Westphal <fw@...len.de>
Subject: [PATCH net-next] selftests: rtnetlink.sh: add test case for device ifalias
Signed-off-by: Florian Westphal <fw@...len.de>
---
tools/testing/selftests/net/rtnetlink.sh | 57 ++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 57b5ff576240..4b48de565cae 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -15,6 +15,14 @@ check_err()
fi
}
+# same but inverted -- used when command must fail for test to pass
+check_fail()
+{
+ if [ $1 -eq 0 ]; then
+ ret=1
+ fi
+}
+
kci_add_dummy()
{
ip link add name "$devdummy" type dummy
@@ -235,6 +243,54 @@ kci_test_addrlabel()
echo "PASS: ipv6 addrlabel"
}
+kci_test_ifalias()
+{
+ ret=0
+ namewant=$(uuidgen)
+ syspathname="/sys/class/net/$devdummy/ifalias"
+
+ ip link set dev "$devdummy" alias "$namewant"
+ check_err $?
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: cannot set interface alias of $devdummy to $namewant"
+ return 1
+ fi
+
+ ip link show "$devdummy" | grep -q "alias $namewant"
+ check_err $?
+
+ if [ -r "$syspathname" ] ; then
+ read namehave < "$syspathname"
+ if [ "$namewant" != "$namehave" ]; then
+ echo "FAIL: did set ifalias $namewant but got $namehave"
+ return 1
+ fi
+
+ namewant=$(uuidgen)
+ echo "$namewant" > "$syspathname"
+ ip link show "$devdummy" | grep -q "alias $namewant"
+ check_err $?
+
+ # sysfs interface allows to delete alias again
+ echo "" > "$syspathname"
+
+ ip link show "$devdummy" | grep -q "alias $namewant"
+ check_fail $?
+
+ # re-add the alias -- kernel should free mem when dummy dev is removed
+ ip link set dev "$devdummy" alias "$namewant"
+ check_err $?
+ fi
+
+ if [ $ret -ne 0 ]; then
+ echo "FAIL: set interface alias $devdummy to $namewant"
+ return 1
+ fi
+
+ echo "PASS: set ifalias $namewant for $devdummy"
+}
+
kci_test_rtnl()
{
kci_add_dummy
@@ -249,6 +305,7 @@ kci_test_rtnl()
kci_test_gre
kci_test_bridge
kci_test_addrlabel
+ kci_test_ifalias
kci_del_dummy
}
--
2.13.5
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