selftests: net: add a test for shared UDP tunnel info tables

Add a test run of checks validating the shared UDP tunnel port
tables function as we expect.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2020-09-25 17:56:43 -07:00 committed by David S. Miller
parent dc9c07537c
commit 53db3e53e2

View File

@ -775,6 +775,115 @@ for port in 0 1; do
exp1=( 0 0 0 0 )
done
cleanup_nsim
# shared port tables
pfx="table sharing"
echo $NSIM_ID > /sys/bus/netdevsim/new_device
echo 0 > $NSIM_DEV_SYS/del_port
echo 0 > $NSIM_DEV_DFS/udp_ports_open_only
echo 1 > $NSIM_DEV_DFS/udp_ports_sleep
echo 1 > $NSIM_DEV_DFS/udp_ports_shared
old_netdevs=$(ls /sys/class/net)
echo 1 > $NSIM_DEV_SYS/new_port
NSIM_NETDEV=`get_netdev_name old_netdevs`
old_netdevs=$(ls /sys/class/net)
echo 2 > $NSIM_DEV_SYS/new_port
NSIM_NETDEV2=`get_netdev_name old_netdevs`
msg="VxLAN v4 devices"
exp0=( `mke 4789 1` 0 0 0 )
exp1=( 0 0 0 0 )
new_vxlan vxlan0 4789 $NSIM_NETDEV
new_vxlan vxlan1 4789 $NSIM_NETDEV2
msg="VxLAN v4 devices go down"
exp0=( 0 0 0 0 )
ifconfig vxlan1 down
ifconfig vxlan0 down
check_tables
for ifc in vxlan0 vxlan1; do
ifconfig $ifc up
done
msg="VxLAN v6 device"
exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
new_vxlan vxlanC 4790 $NSIM_NETDEV 6
msg="Geneve device"
exp1=( `mke 6081 2` 0 0 0 )
new_geneve gnv0 6081
msg="NIC device goes down"
ifconfig $NSIM_NETDEV down
check_tables
msg="NIC device goes up again"
ifconfig $NSIM_NETDEV up
check_tables
for i in `seq 2`; do
msg="turn feature off - 1, rep $i"
ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
check_tables
msg="turn feature off - 2, rep $i"
exp0=( 0 0 0 0 )
exp1=( 0 0 0 0 )
ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload off
check_tables
msg="turn feature on - 1, rep $i"
exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
exp1=( `mke 6081 2` 0 0 0 )
ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
check_tables
msg="turn feature on - 2, rep $i"
ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload on
check_tables
done
msg="tunnels destroyed 1"
cleanup_tuns
exp0=( 0 0 0 0 )
exp1=( 0 0 0 0 )
check_tables
overflow_table0 "overflow NIC table"
msg="re-add a port"
echo 2 > $NSIM_DEV_SYS/del_port
echo 2 > $NSIM_DEV_SYS/new_port
check_tables
msg="replace VxLAN in overflow table"
exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
del_dev vxlan1
msg="vacate VxLAN in overflow table"
exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
del_dev vxlan2
echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset
check_tables
msg="tunnels destroyed 2"
cleanup_tuns
exp0=( 0 0 0 0 )
exp1=( 0 0 0 0 )
check_tables
echo 1 > $NSIM_DEV_SYS/del_port
echo 2 > $NSIM_DEV_SYS/del_port
cleanup_nsim
modprobe -r netdevsim
if [ $num_errors -eq 0 ]; then