name : udp_tunnel_nic.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0-only VNI_GEN=$RANDOM NSIM_ID=$((RANDOM % 1024)) NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID NSIM_NETDEV= HAS_ETHTOOL= STATIC_ENTRIES= EXIT_STATUS=0 num_cases=0 num_errors=0 clean_up_devs=( ) function err_cnt { echo "ERROR:" $@ EXIT_STATUS=1 ((num_errors++)) ((num_cases++)) } function pass_cnt { ((num_cases++)) } function cleanup_tuns { for dev in "${clean_up_devs[@]}"; do [ -e /sys/class/net/$dev ] && ip link del dev $dev done clean_up_devs=( ) } function cleanup_nsim { if [ -e $NSIM_DEV_SYS ]; then echo $NSIM_ID > /sys/bus/netdevsim/del_device fi } function cleanup { cleanup_tuns cleanup_nsim } trap cleanup EXIT function new_vxlan { local dev=$1 local dstport=$2 local lower=$3 local ipver=$4 local flags=$5 local group ipfl [ "$ipver" != '6' ] && group=239.1.1.1 || group=fff1::1 [ "$ipver" != '6' ] || ipfl="-6" [[ ! "$flags" =~ "external" ]] && flags="$flags id $((VNI_GEN++))" ip $ipfl link add $dev type vxlan \ group $group \ dev $lower \ dstport $dstport \ $flags ip link set dev $dev up clean_up_devs=("${clean_up_devs[@]}" $dev) check_tables } function new_geneve { local dev=$1 local dstport=$2 local ipver=$3 local flags=$4 local group ipfl [ "$ipver" != '6' ] && remote=1.1.1.2 || group=::2 [ "$ipver" != '6' ] || ipfl="-6" [[ ! "$flags" =~ "external" ]] && flags="$flags vni $((VNI_GEN++))" ip $ipfl link add $dev type geneve \ remote $remote \ dstport $dstport \ $flags ip link set dev $dev up clean_up_devs=("${clean_up_devs[@]}" $dev) check_tables } function del_dev { local dev=$1 ip link del dev $dev check_tables } # Helpers for netdevsim port/type encoding function mke { local port=$1 local type=$2 echo $((port << 16 | type)) } function pre { local val=$1 echo -e "port: $((val >> 16))\ttype: $((val & 0xffff))" } function pre_ethtool { local val=$1 local port=$((val >> 16)) local type=$((val & 0xffff)) case $type in 1) type_name="vxlan" ;; 2) type_name="geneve" ;; 4) type_name="vxlan-gpe" ;; *) type_name="bit X" ;; esac echo "port $port, $type_name" } function check_table { local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1 local -n expected=$2 local last=$3 read -a have < $path if [ ${#expected[@]} -ne ${#have[@]} ]; then echo "check_table: BAD NUMBER OF ITEMS" return 0 fi for i in "${!expected[@]}"; do if [ -n "$HAS_ETHTOOL" -a ${expected[i]} -ne 0 ]; then pp_expected=`pre_ethtool ${expected[i]}` ethtool --show-tunnels $NSIM_NETDEV | grep "$pp_expected" >/dev/null if [ $? -ne 0 -a $last -ne 0 ]; then err_cnt "ethtool table $1 on port $port: $pfx - $msg" echo " check_table: ethtool does not contain '$pp_expected'" ethtool --show-tunnels $NSIM_NETDEV return 0 fi fi if [ ${expected[i]} != ${have[i]} ]; then if [ $last -ne 0 ]; then err_cnt "table $1 on port $port: $pfx - $msg" echo " check_table: wrong entry $i" echo " expected: `pre ${expected[i]}`" echo " have: `pre ${have[i]}`" return 0 fi return 1 fi done pass_cnt return 0 } function check_tables { # Need retries in case we have workqueue making the changes local retries=10 while ! check_table 0 exp0 $((retries == 0)); do sleep 0.02 ((retries--)) done while ! check_table 1 exp1 $((retries == 0)); do sleep 0.02 ((retries--)) done if [ -n "$HAS_ETHTOOL" -a -n "${STATIC_ENTRIES[0]}" ]; then fail=0 for i in "${!STATIC_ENTRIES[@]}"; do pp_expected=`pre_ethtool ${STATIC_ENTRIES[i]}` cnt=$(ethtool --show-tunnels $NSIM_NETDEV | grep -c "$pp_expected") if [ $cnt -ne 1 ]; then err_cnt "ethtool static entry: $pfx - $msg" echo " check_table: ethtool does not contain '$pp_expected'" ethtool --show-tunnels $NSIM_NETDEV fail=1 fi done [ $fail == 0 ] && pass_cnt fi } function print_table { local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1 read -a have < $path tree $NSIM_DEV_DFS/ echo "Port $port table $1:" for i in "${!have[@]}"; do echo " `pre ${have[i]}`" done } function print_tables { print_table 0 print_table 1 } function get_netdev_name { local -n old=$1 udevadm settle new=$(ls /sys/class/net) for netdev in $new; do for check in $old; do [ $netdev == $check ] && break done if [ $netdev != $check ]; then echo $netdev break fi done } ### ### Code start ### # Probe ethtool support ethtool -h | grep show-tunnels 2>&1 >/dev/null && HAS_ETHTOOL=y modprobe netdevsim # Basic test pfx="basic" for port in 0 1; do old_netdevs=$(ls /sys/class/net) if [ $port -eq 0 ]; then echo $NSIM_ID > /sys/bus/netdevsim/new_device else echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep echo 1 > $NSIM_DEV_SYS/new_port fi NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up msg="new NIC device created" exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) check_tables msg="VxLAN v4 devices" exp0=( `mke 4789 1` 0 0 0 ) new_vxlan vxlan0 4789 $NSIM_NETDEV new_vxlan vxlan1 4789 $NSIM_NETDEV msg="VxLAN v4 devices go down" exp0=( 0 0 0 0 ) ifconfig vxlan1 down ifconfig vxlan0 down check_tables msg="VxLAN v6 devices" exp0=( `mke 4789 1` 0 0 0 ) new_vxlan vxlanA 4789 $NSIM_NETDEV 6 for ifc in vxlan0 vxlan1; do ifconfig $ifc up done new_vxlan vxlanB 4789 $NSIM_NETDEV 6 msg="another VxLAN v6 devices" 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 if [ $port -eq 1 ]; then exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) fi check_tables msg="NIC device goes up again" ifconfig $NSIM_NETDEV up exp0=( `mke 4789 1` `mke 4790 1` 0 0 ) exp1=( `mke 6081 2` 0 0 0 ) check_tables cleanup_tuns msg="tunnels destroyed" exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) check_tables modprobe -r geneve modprobe -r vxlan modprobe -r udp_tunnel check_tables done modprobe -r netdevsim # Module tests pfx="module tests" if modinfo netdevsim | grep udp_tunnel >/dev/null; then err_cnt "netdevsim depends on udp_tunnel" else pass_cnt fi modprobe netdevsim old_netdevs=$(ls /sys/class/net) port=0 echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port echo 1000 > $NSIM_DEV_DFS/udp_ports_sleep echo 0 > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` msg="create VxLANs" exp0=( 0 0 0 0 ) # sleep is longer than out wait new_vxlan vxlan0 10000 $NSIM_NETDEV modprobe -r vxlan modprobe -r udp_tunnel msg="remove tunnels" exp0=( 0 0 0 0 ) check_tables msg="create VxLANs" exp0=( 0 0 0 0 ) # sleep is longer than out wait new_vxlan vxlan0 10000 $NSIM_NETDEV exp0=( 0 0 0 0 ) modprobe -r netdevsim modprobe netdevsim # Overflow the table function overflow_table0 { local pfx=$1 msg="create VxLANs 1/5" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlan0 10000 $NSIM_NETDEV msg="create VxLANs 2/5" exp0=( `mke 10000 1` `mke 10001 1` 0 0 ) new_vxlan vxlan1 10001 $NSIM_NETDEV msg="create VxLANs 3/5" exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` 0 ) new_vxlan vxlan2 10002 $NSIM_NETDEV msg="create VxLANs 4/5" exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` `mke 10003 1` ) new_vxlan vxlan3 10003 $NSIM_NETDEV msg="create VxLANs 5/5" new_vxlan vxlan4 10004 $NSIM_NETDEV } function overflow_table1 { local pfx=$1 msg="create GENEVE 1/5" exp1=( `mke 20000 2` 0 0 0 ) new_geneve gnv0 20000 msg="create GENEVE 2/5" exp1=( `mke 20000 2` `mke 20001 2` 0 0 ) new_geneve gnv1 20001 msg="create GENEVE 3/5" exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` 0 ) new_geneve gnv2 20002 msg="create GENEVE 4/5" exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` `mke 20003 2` ) new_geneve gnv3 20003 msg="create GENEVE 5/5" new_geneve gnv4 20004 } echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up overflow_table0 "overflow NIC table" overflow_table1 "overflow NIC table" 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 msg="replace GENEVE in overflow table" exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` ) del_dev gnv1 msg="vacate GENEVE in overflow table" exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` ) del_dev gnv2 msg="table sharing - share" exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` ) new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external" msg="table sharing - overflow" new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external" msg="table sharing - overflow v6" new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external" exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` ) del_dev gnv4 msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # Sync all pfx="sync all" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port echo 1 > $NSIM_DEV_DFS/udp_ports_sync_all for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up overflow_table0 "overflow NIC table" overflow_table1 "overflow NIC table" 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 msg="replace GENEVE in overflow table" exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` ) del_dev gnv1 msg="vacate GENEVE in overflow table" exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` ) del_dev gnv2 msg="table sharing - share" exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` ) new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external" msg="table sharing - overflow" new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external" msg="table sharing - overflow v6" new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external" exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` ) del_dev gnv4 msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # Destroy full NIC pfx="destroy full" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up overflow_table0 "destroy NIC" overflow_table1 "destroy NIC" msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # IPv4 only pfx="IPv4 only" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port echo 1 > $NSIM_DEV_DFS/udp_ports_ipv4_only for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up msg="create VxLANs v6" new_vxlan vxlanA0 10000 $NSIM_NETDEV 6 msg="create VxLANs v6" new_vxlan vxlanA1 10000 $NSIM_NETDEV 6 ip link set dev vxlanA0 down ip link set dev vxlanA0 up check_tables msg="create VxLANs v4" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlan0 10000 $NSIM_NETDEV msg="down VxLANs v4" exp0=( 0 0 0 0 ) ip link set dev vxlan0 down check_tables msg="up VxLANs v4" exp0=( `mke 10000 1` 0 0 0 ) ip link set dev vxlan0 up check_tables msg="destroy VxLANs v4" exp0=( 0 0 0 0 ) del_dev vxlan0 msg="recreate VxLANs v4" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlan0 10000 $NSIM_NETDEV del_dev vxlanA0 del_dev vxlanA1 msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # Failures pfx="error injection" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error msg="1 - create VxLANs v6" exp0=( 0 0 0 0 ) new_vxlan vxlanA0 10000 $NSIM_NETDEV 6 msg="1 - create VxLANs v4" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlan0 10000 $NSIM_NETDEV msg="1 - remove VxLANs v4" del_dev vxlan0 msg="1 - remove VxLANs v6" exp0=( 0 0 0 0 ) del_dev vxlanA0 msg="2 - create GENEVE" exp1=( `mke 20000 2` 0 0 0 ) new_geneve gnv0 20000 msg="2 - destroy GENEVE" echo 2 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error exp1=( `mke 20000 2` 0 0 0 ) del_dev gnv0 msg="2 - create second GENEVE" exp1=( 0 `mke 20001 2` 0 0 ) new_geneve gnv0 20001 msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # netdev flags pfx="netdev flags" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up msg="create VxLANs v6" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlanA0 10000 $NSIM_NETDEV 6 msg="create VxLANs v4" new_vxlan vxlan0 10000 $NSIM_NETDEV msg="turn off" exp0=( 0 0 0 0 ) ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off check_tables msg="turn on" exp0=( `mke 10000 1` 0 0 0 ) ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on check_tables msg="remove both" del_dev vxlanA0 exp0=( 0 0 0 0 ) del_dev vxlan0 check_tables ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off msg="create VxLANs v4 - off" exp0=( 0 0 0 0 ) new_vxlan vxlan0 10000 $NSIM_NETDEV msg="created off - turn on" exp0=( `mke 10000 1` 0 0 0 ) ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on check_tables msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) done cleanup_nsim # device initiated reset pfx="reset notification" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port for port in 0 1; do if [ $port -ne 0 ]; then echo 1 > $NSIM_DEV_DFS/udp_ports_open_only echo 1 > $NSIM_DEV_DFS/udp_ports_sleep fi echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` ifconfig $NSIM_NETDEV up msg="create VxLANs v6" exp0=( `mke 10000 1` 0 0 0 ) new_vxlan vxlanA0 10000 $NSIM_NETDEV 6 msg="create VxLANs v4" new_vxlan vxlan0 10000 $NSIM_NETDEV echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset check_tables msg="NIC device goes down" ifconfig $NSIM_NETDEV down if [ $port -eq 1 ]; then exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) fi check_tables echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset check_tables msg="NIC device goes up again" ifconfig $NSIM_NETDEV up exp0=( `mke 10000 1` 0 0 0 ) check_tables msg="remove both" del_dev vxlanA0 exp0=( 0 0 0 0 ) del_dev vxlan0 check_tables echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset check_tables msg="destroy NIC" echo $port > $NSIM_DEV_SYS/del_port cleanup_tuns exp0=( 0 0 0 0 ) 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 NSIM_NETDEV=`get_netdev_name old_netdevs` 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 # Static IANA port pfx="static IANA vxlan" echo $NSIM_ID > /sys/bus/netdevsim/new_device echo 0 > $NSIM_DEV_SYS/del_port echo 1 > $NSIM_DEV_DFS/udp_ports_static_iana_vxlan STATIC_ENTRIES=( `mke 4789 1` ) port=1 old_netdevs=$(ls /sys/class/net) echo $port > $NSIM_DEV_SYS/new_port NSIM_NETDEV=`get_netdev_name old_netdevs` msg="check empty" exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) check_tables msg="add on static port" new_vxlan vxlan0 4789 $NSIM_NETDEV new_vxlan vxlan1 4789 $NSIM_NETDEV msg="add on different port" exp0=( `mke 4790 1` 0 0 0 ) new_vxlan vxlan2 4790 $NSIM_NETDEV cleanup_tuns msg="tunnels destroyed" exp0=( 0 0 0 0 ) exp1=( 0 0 0 0 ) check_tables msg="different type" new_geneve gnv0 4789 cleanup_tuns cleanup_nsim # END modprobe -r netdevsim if [ $num_errors -eq 0 ]; then echo "PASSED all $num_cases checks" else echo "FAILED $num_errors/$num_cases checks" fi exit $EXIT_STATUS