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selftests: net: Create veth pair for testing in networkless kernel

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Check if the netdev list is empty and create veth pair to be used for
feature on/off testing.
Remove the veth pair after testing is complete.

Signed-off-by: Abhinav Jain <jain.abhinav177@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240821171903.118324-2-jain.abhinav177@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Abhinav Jain 2024-08-21 22:49:01 +05:30 committed by Jakub Kicinski
parent 5874e0c9f2
commit 1820b84f3c
1 changed files with 15 additions and 0 deletions
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15
tools/testing/selftests/net/netdevice.sh
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@ -129,6 +129,7 @@ kci_netdev_ethtool()
kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev"
return 0
}
@ -196,10 +197,24 @@ if [ ! -e "$TMP_LIST_NETDEV" ];then
fi
ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV"
if [ ! -s "$TMP_LIST_NETDEV" ]; then
echo "No valid network device found, creating veth pair"
ip link add veth0 type veth peer name veth1
echo "veth0" > "$TMP_LIST_NETDEV"
veth_created=1
fi
while read netdev
do
kci_test_netdev "$netdev"
done < "$TMP_LIST_NETDEV"
#clean up veth interface pair if it was created
if [ "$veth_created" ]; then
ip link delete veth0
echo "Removed veth pair"
fi
rm "$TMP_LIST_NETDEV"
exit 0