#!/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`
ip link set dev $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 )
ip link set dev vxlan1 down
ip link set dev 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
ip link set dev $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"
ip link set dev $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"
ip link set dev $NSIM_NETDEV up
exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
exp1=( `mke 6081 2` 0 0 0 )
check_tables
cleanup_tuns
msg="tunnels destroyed"
exp0=( 0 0 0 0 )
exp1=( 0 0 0 0 )
check_tables
modprobe -r geneve
modprobe -r vxlan
modprobe -r udp_tunnel
check_tables
done
modprobe -r netdevsim
# Module tests
pfx="module tests"
if modinfo netdevsim | grep udp_tunnel >/dev/null; then
err_cnt "netdevsim depends on udp_tunnel"
else
pass_cnt
fi
modprobe netdevsim
old_netdevs=$(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`
ip link set dev $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`
ip link set dev $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`
ip link set dev $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`
ip link set dev $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`
ip link set dev $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`
ip link set dev $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`
ip link set dev $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"
ip link set dev $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"
ip link set dev $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 )
ip link set dev vxlan1 down
ip link set dev vxlan0 down
check_tables
for ifc in vxlan0 vxlan1; do
ip link set dev $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"
ip link set dev $NSIM_NETDEV down
check_tables
msg="NIC device goes up again"
ip link set dev $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
Codebase Browser
linux