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Commit a18f2845 authored by Florian Westphal's avatar Florian Westphal Committed by Jakub Kicinski
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selftests: netfilter: nft_flowtable.sh: shellcheck cleanups 

no functional changes intended except that test will now SKIP in
case kernel lacks bridge support and initial rule load failure provides
nft version information.
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-6-fw@strlen.deSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f84ab634
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Showing with 136 additions and 121 deletions
tools/testing/selftests/net/netfilter/nft_flowtable.sh
View file @ a18f2845
......@@ -37,17 +37,17 @@ cleanup() {
rm -f "$nsin" "$ns1out" "$ns2out"
[ $log_netns -eq 0 ] && sysctl -q net.netfilter.nf_log_all_netns=$log_netns
[ "$log_netns" -eq 0 ] && sysctl -q net.netfilter.nf_log_all_netns="$log_netns"
}
trap cleanup EXIT
sysctl -q net.netfilter.nf_log_all_netns=1
ip link add veth0 netns $nsr1 type veth peer name eth0 netns $ns1
ip link add veth1 netns $nsr1 type veth peer name veth0 netns $nsr2
ip link add veth0 netns "$nsr1" type veth peer name eth0 netns "$ns1"
ip link add veth1 netns "$nsr1" type veth peer name veth0 netns "$nsr2"
ip link add veth1 netns $nsr2 type veth peer name eth0 netns $ns2
ip link add veth1 netns "$nsr2" type veth peer name eth0 netns "$ns2"
for dev in veth0 veth1; do
ip -net "$nsr1" link set "$dev" up
......@@ -90,13 +90,13 @@ do
esac
done
if ! ip -net $nsr1 link set veth0 mtu $omtu; then
if ! ip -net "$nsr1" link set veth0 mtu "$omtu"; then
exit 1
fi
ip -net $ns1 link set eth0 mtu $omtu
ip -net "$ns1" link set eth0 mtu "$omtu"
if ! ip -net $nsr2 link set veth1 mtu $rmtu; then
if ! ip -net "$nsr2" link set veth1 mtu "$rmtu"; then
exit 1
fi
......@@ -108,7 +108,7 @@ if ! ip -net "$nsr2" link set veth0 mtu "$lmtu"; then
exit 1
fi
ip -net $ns2 link set eth0 mtu $rmtu
ip -net "$ns2" link set eth0 mtu "$rmtu"
# transfer-net between nsr1 and nsr2.
# these addresses are not used for connections.
......@@ -119,35 +119,34 @@ ip -net "$nsr2" addr add 192.168.10.2/24 dev veth0
ip -net "$nsr2" addr add fee1:2::2/64 dev veth0 nodad
for i in 0 1; do
ip netns exec $nsr1 sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
ip netns exec $nsr2 sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
ip netns exec "$nsr1" sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
ip netns exec "$nsr2" sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
done
for ns in $ns1 $ns2;do
ip -net $ns link set lo up
ip -net $ns link set eth0 up
for ns in "$ns1" "$ns2";do
ip -net "$ns" link set eth0 up
if ! ip netns exec $ns sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then
if ! ip netns exec "$ns" sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then
echo "ERROR: Check Originator/Responder values (problem during address addition)"
exit 1
fi
# don't set ip DF bit for first two tests
ip netns exec $ns sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
ip netns exec "$ns" sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
done
ip -net $ns1 addr add 10.0.1.99/24 dev eth0
ip -net $ns2 addr add 10.0.2.99/24 dev eth0
ip -net $ns1 route add default via 10.0.1.1
ip -net $ns2 route add default via 10.0.2.1
ip -net $ns1 addr add dead:1::99/64 dev eth0 nodad
ip -net $ns2 addr add dead:2::99/64 dev eth0 nodad
ip -net $ns1 route add default via dead:1::1
ip -net $ns2 route add default via dead:2::1
ip -net "$ns1" addr add 10.0.1.99/24 dev eth0
ip -net "$ns2" addr add 10.0.2.99/24 dev eth0
ip -net "$ns1" route add default via 10.0.1.1
ip -net "$ns2" route add default via 10.0.2.1
ip -net "$ns1" addr add dead:1::99/64 dev eth0 nodad
ip -net "$ns2" addr add dead:2::99/64 dev eth0 nodad
ip -net "$ns1" route add default via dead:1::1
ip -net "$ns2" route add default via dead:2::1
ip -net $nsr1 route add default via 192.168.10.2
ip -net $nsr2 route add default via 192.168.10.1
ip -net "$nsr1" route add default via 192.168.10.2
ip -net "$nsr2" route add default via 192.168.10.1
ip netns exec $nsr1 nft -f - <<EOF
ip netns exec "$nsr1" nft -f - <<EOF
table inet filter {
flowtable f1 {
hook ingress priority 0
......@@ -179,7 +178,7 @@ if [ $? -ne 0 ]; then
exit $ksft_skip
fi
ip netns exec $ns2 nft -f - <<EOF
ip netns exec "$ns2" nft -f - <<EOF
table inet filter {
counter ip4dscp0 { }
counter ip4dscp3 { }
......@@ -195,17 +194,18 @@ table inet filter {
EOF
if [ $? -ne 0 ]; then
echo "SKIP: Could not load nft ruleset"
echo -n "SKIP: Could not load ruleset: "
nft --version
exit $ksft_skip
fi
# test basic connectivity
if ! ip netns exec $ns1 ping -c 1 -q 10.0.2.99 > /dev/null; then
if ! ip netns exec "$ns1" ping -c 1 -q 10.0.2.99 > /dev/null; then
echo "ERROR: $ns1 cannot reach ns2" 1>&2
exit 1
fi
if ! ip netns exec $ns2 ping -c 1 -q 10.0.1.99 > /dev/null; then
if ! ip netns exec "$ns2" ping -c 1 -q 10.0.1.99 > /dev/null; then
echo "ERROR: $ns2 cannot reach $ns1" 1>&2
exit 1
fi
......@@ -235,23 +235,27 @@ check_counters()
local what=$1
local ok=1
local orig=$(ip netns exec $nsr1 nft reset counter inet filter routed_orig | grep packets)
local repl=$(ip netns exec $nsr1 nft reset counter inet filter routed_repl | grep packets)
local orig repl
orig=$(ip netns exec "$nsr1" nft reset counter inet filter routed_orig | grep packets)
repl=$(ip netns exec "$nsr1" nft reset counter inet filter routed_repl | grep packets)
local orig_cnt=${orig#*bytes}
local repl_cnt=${repl#*bytes}
local fs=$(du -sb $nsin)
local fs
fs=$(du -sb "$nsin")
local max_orig=${fs%%/*}
local max_repl=$((max_orig/4))
if [ $orig_cnt -gt $max_orig ];then
# flowtable fastpath should bypass normal routing one, i.e. the counters in forward hook
# should always be lower than the size of the transmitted file (max_orig).
if [ "$orig_cnt" -gt "$max_orig" ];then
echo "FAIL: $what: original counter $orig_cnt exceeds expected value $max_orig" 1>&2
ret=1
ok=0
fi
if [ $repl_cnt -gt $max_repl ];then
if [ "$repl_cnt" -gt $max_repl ];then
echo "FAIL: $what: reply counter $repl_cnt exceeds expected value $max_repl" 1>&2
ret=1
ok=0
......@@ -267,39 +271,40 @@ check_dscp()
local what=$1
local ok=1
local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp3 | grep packets)
local counter
counter=$(ip netns exec "$ns2" nft reset counter inet filter ip4dscp3 | grep packets)
local pc4=${counter%*bytes*}
local pc4=${pc4#*packets}
local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp0 | grep packets)
counter=$(ip netns exec "$ns2" nft reset counter inet filter ip4dscp0 | grep packets)
local pc4z=${counter%*bytes*}
local pc4z=${pc4z#*packets}
case "$what" in
"dscp_none")
if [ $pc4 -gt 0 ] || [ $pc4z -eq 0 ]; then
if [ "$pc4" -gt 0 ] || [ "$pc4z" -eq 0 ]; then
echo "FAIL: dscp counters do not match, expected dscp3 == 0, dscp0 > 0, but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_fwd")
if [ $pc4 -eq 0 ] || [ $pc4z -eq 0 ]; then
if [ "$pc4" -eq 0 ] || [ "$pc4z" -eq 0 ]; then
echo "FAIL: dscp counters do not match, expected dscp3 and dscp0 > 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_ingress")
if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then
if [ "$pc4" -eq 0 ] || [ "$pc4z" -gt 0 ]; then
echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
fi
;;
"dscp_egress")
if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then
if [ "$pc4" -eq 0 ] || [ "$pc4z" -gt 0 ]; then
echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2
ret=1
ok=0
......@@ -311,7 +316,7 @@ check_dscp()
ok=0
esac
if [ $ok -eq 1 ] ;then
if [ "$ok" -eq 1 ] ;then
echo "PASS: $what: dscp packet counters match"
fi
}
......@@ -356,10 +361,12 @@ test_tcp_forwarding_ip()
if ! check_transfer "$nsin" "$ns2out" "ns1 -> ns2"; then
lret=1
ret=1
fi
if ! check_transfer "$nsin" "$ns1out" "ns1 <- ns2"; then
lret=1
ret=1
fi
return $lret
......@@ -376,7 +383,7 @@ test_tcp_forwarding_set_dscp()
{
check_dscp "dscp_none"
ip netns exec $nsr1 nft -f - <<EOF
ip netns exec "$nsr1" nft -f - <<EOF
table netdev dscpmangle {
chain setdscp0 {
type filter hook ingress device "veth0" priority 0; policy accept
......@@ -388,12 +395,12 @@ if [ $? -eq 0 ]; then
test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
check_dscp "dscp_ingress"
ip netns exec $nsr1 nft delete table netdev dscpmangle
ip netns exec "$nsr1" nft delete table netdev dscpmangle
else
echo "SKIP: Could not load netdev:ingress for veth0"
fi
ip netns exec $nsr1 nft -f - <<EOF
ip netns exec "$nsr1" nft -f - <<EOF
table netdev dscpmangle {
chain setdscp0 {
type filter hook egress device "veth1" priority 0; policy accept
......@@ -405,14 +412,14 @@ if [ $? -eq 0 ]; then
test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
check_dscp "dscp_egress"
ip netns exec $nsr1 nft flush table netdev dscpmangle
ip netns exec "$nsr1" nft flush table netdev dscpmangle
else
echo "SKIP: Could not load netdev:egress for veth1"
fi
# partial. If flowtable really works, then both dscp-is-0 and dscp-is-cs3
# counters should have seen packets (before and after ft offload kicks in).
ip netns exec $nsr1 nft -a insert rule inet filter forward ip dscp set cs3
ip netns exec "$nsr1" nft -a insert rule inet filter forward ip dscp set cs3
test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
check_dscp "dscp_fwd"
}
......@@ -428,8 +435,8 @@ test_tcp_forwarding_nat()
pmtu=$3
what=$4
if [ $lret -eq 0 ] ; then
if [ $pmtu -eq 1 ] ;then
if [ "$lret" -eq 0 ] ; then
if [ "$pmtu" -eq 1 ] ;then
check_counters "flow offload for ns1/ns2 with masquerade and pmtu discovery $what"
else
echo "PASS: flow offload for ns1/ns2 with masquerade $what"
......@@ -437,9 +444,9 @@ test_tcp_forwarding_nat()
test_tcp_forwarding_ip "$1" "$2" 10.6.6.6 1666
lret=$?
if [ $pmtu -eq 1 ] ;then
if [ "$pmtu" -eq 1 ] ;then
check_counters "flow offload for ns1/ns2 with dnat and pmtu discovery $what"
elif [ $lret -eq 0 ] ; then
elif [ "$lret" -eq 0 ] ; then
echo "PASS: flow offload for ns1/ns2 with dnat $what"
fi
fi
......@@ -454,25 +461,25 @@ make_file "$nsin"
# Due to MTU mismatch in both directions, all packets (except small packets like pure
# acks) have to be handled by normal forwarding path. Therefore, packet counters
# are not checked.
if test_tcp_forwarding $ns1 $ns2; then
if test_tcp_forwarding "$ns1" "$ns2"; then
echo "PASS: flow offloaded for ns1/ns2"
else
echo "FAIL: flow offload for ns1/ns2:" 1>&2
ip netns exec $nsr1 nft list ruleset
ip netns exec "$nsr1" nft list ruleset
ret=1
fi
# delete default route, i.e. ns2 won't be able to reach ns1 and
# will depend on ns1 being masqueraded in nsr1.
# expect ns1 has nsr1 address.
ip -net $ns2 route del default via 10.0.2.1
ip -net $ns2 route del default via dead:2::1
ip -net $ns2 route add 192.168.10.1 via 10.0.2.1
ip -net "$ns2" route del default via 10.0.2.1
ip -net "$ns2" route del default via dead:2::1
ip -net "$ns2" route add 192.168.10.1 via 10.0.2.1
# Second test:
# Same, but with NAT enabled. Same as in first test: we expect normal forward path
# to handle most packets.
ip netns exec $nsr1 nft -f - <<EOF
ip netns exec "$nsr1" nft -f - <<EOF
table ip nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
......@@ -486,14 +493,14 @@ table ip nat {
}
EOF
if ! test_tcp_forwarding_set_dscp $ns1 $ns2 0 ""; then
if ! test_tcp_forwarding_set_dscp "$ns1" "$ns2" 0 ""; then
echo "FAIL: flow offload for ns1/ns2 with dscp update" 1>&2
exit 0
fi
if ! test_tcp_forwarding_nat $ns1 $ns2 0 ""; then
if ! test_tcp_forwarding_nat "$ns1" "$ns2" 0 ""; then
echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2
ip netns exec $nsr1 nft list ruleset
ip netns exec "$nsr1" nft list ruleset
ret=1
fi
......@@ -501,35 +508,40 @@ fi
# Same as second test, but with PMTU discovery enabled. This
# means that we expect the fastpath to handle packets as soon
# as the endpoints adjust the packet size.
ip netns exec $ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
ip netns exec $ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
ip netns exec "$ns1" sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
ip netns exec "$ns2" sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
# reset counters.
# With pmtu in-place we'll also check that nft counters
# are lower than file size and packets were forwarded via flowtable layer.
# For earlier tests (large mtus), packets cannot be handled via flowtable
# (except pure acks and other small packets).
ip netns exec $nsr1 nft reset counters table inet filter >/dev/null
ip netns exec "$nsr1" nft reset counters table inet filter >/dev/null
if ! test_tcp_forwarding_nat $ns1 $ns2 1 ""; then
if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 ""; then
echo "FAIL: flow offload for ns1/ns2 with NAT and pmtu discovery" 1>&2
ip netns exec $nsr1 nft list ruleset
ip netns exec "$nsr1" nft list ruleset
fi
# Another test:
# Add bridge interface br0 to Router1, with NAT enabled.
ip -net $nsr1 link add name br0 type bridge
ip -net $nsr1 addr flush dev veth0
ip -net $nsr1 link set up dev veth0
ip -net $nsr1 link set veth0 master br0
ip -net $nsr1 addr add 10.0.1.1/24 dev br0
ip -net $nsr1 addr add dead:1::1/64 dev br0 nodad
ip -net $nsr1 link set up dev br0
test_bridge() {
if ! ip -net "$nsr1" link add name br0 type bridge 2>/dev/null;then
echo "SKIP: could not add bridge br0"
[ "$ret" -eq 0 ] && ret=$ksft_skip
return
fi
ip -net "$nsr1" addr flush dev veth0
ip -net "$nsr1" link set up dev veth0
ip -net "$nsr1" link set veth0 master br0
ip -net "$nsr1" addr add 10.0.1.1/24 dev br0
ip -net "$nsr1" addr add dead:1::1/64 dev br0 nodad
ip -net "$nsr1" link set up dev br0
ip netns exec $nsr1 sysctl net.ipv4.conf.br0.forwarding=1 > /dev/null
ip netns exec "$nsr1" sysctl net.ipv4.conf.br0.forwarding=1 > /dev/null
# br0 with NAT enabled.
ip netns exec $nsr1 nft -f - <<EOF
ip netns exec "$nsr1" nft -f - <<EOF
flush table ip nat
table ip nat {
chain prerouting {
......@@ -544,56 +556,59 @@ table ip nat {
}
EOF
if ! test_tcp_forwarding_nat $ns1 $ns2 1 "on bridge"; then
if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "on bridge"; then
echo "FAIL: flow offload for ns1/ns2 with bridge NAT" 1>&2
ip netns exec $nsr1 nft list ruleset
ip netns exec "$nsr1" nft list ruleset
ret=1
fi
# Another test:
# Add bridge interface br0 to Router1, with NAT and VLAN.
ip -net $nsr1 link set veth0 nomaster
ip -net $nsr1 link set down dev veth0
ip -net $nsr1 link add link veth0 name veth0.10 type vlan id 10
ip -net $nsr1 link set up dev veth0
ip -net $nsr1 link set up dev veth0.10
ip -net $nsr1 link set veth0.10 master br0
ip -net $ns1 addr flush dev eth0
ip -net $ns1 link add link eth0 name eth0.10 type vlan id 10
ip -net $ns1 link set eth0 up
ip -net $ns1 link set eth0.10 up
ip -net $ns1 addr add 10.0.1.99/24 dev eth0.10
ip -net $ns1 route add default via 10.0.1.1
ip -net $ns1 addr add dead:1::99/64 dev eth0.10 nodad
if ! test_tcp_forwarding_nat $ns1 $ns2 1 "bridge and VLAN"; then
ip -net "$nsr1" link set veth0 nomaster
ip -net "$nsr1" link set down dev veth0
ip -net "$nsr1" link add link veth0 name veth0.10 type vlan id 10
ip -net "$nsr1" link set up dev veth0
ip -net "$nsr1" link set up dev veth0.10
ip -net "$nsr1" link set veth0.10 master br0
ip -net "$ns1" addr flush dev eth0
ip -net "$ns1" link add link eth0 name eth0.10 type vlan id 10
ip -net "$ns1" link set eth0 up
ip -net "$ns1" link set eth0.10 up
ip -net "$ns1" addr add 10.0.1.99/24 dev eth0.10
ip -net "$ns1" route add default via 10.0.1.1
ip -net "$ns1" addr add dead:1::99/64 dev eth0.10 nodad
if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "bridge and VLAN"; then
echo "FAIL: flow offload for ns1/ns2 with bridge NAT and VLAN" 1>&2
ip netns exec $nsr1 nft list ruleset
ip netns exec "$nsr1" nft list ruleset
ret=1
fi
# restore test topology (remove bridge and VLAN)
ip -net $nsr1 link set veth0 nomaster
ip -net $nsr1 link set veth0 down
ip -net $nsr1 link set veth0.10 down
ip -net $nsr1 link delete veth0.10 type vlan
ip -net $nsr1 link delete br0 type bridge
ip -net $ns1 addr flush dev eth0.10
ip -net $ns1 link set eth0.10 down
ip -net $ns1 link set eth0 down
ip -net $ns1 link delete eth0.10 type vlan
ip -net "$nsr1" link set veth0 nomaster
ip -net "$nsr1" link set veth0 down
ip -net "$nsr1" link set veth0.10 down
ip -net "$nsr1" link delete veth0.10 type vlan
ip -net "$nsr1" link delete br0 type bridge
ip -net "$ns1" addr flush dev eth0.10
ip -net "$ns1" link set eth0.10 down
ip -net "$ns1" link set eth0 down
ip -net "$ns1" link delete eth0.10 type vlan
# restore address in ns1 and nsr1
ip -net $ns1 link set eth0 up
ip -net $ns1 addr add 10.0.1.99/24 dev eth0
ip -net $ns1 route add default via 10.0.1.1
ip -net $ns1 addr add dead:1::99/64 dev eth0 nodad
ip -net $ns1 route add default via dead:1::1
ip -net $nsr1 addr add 10.0.1.1/24 dev veth0
ip -net $nsr1 addr add dead:1::1/64 dev veth0 nodad
ip -net $nsr1 link set up dev veth0
ip -net "$ns1" link set eth0 up
ip -net "$ns1" addr add 10.0.1.99/24 dev eth0
ip -net "$ns1" route add default via 10.0.1.1
ip -net "$ns1" addr add dead:1::99/64 dev eth0 nodad
ip -net "$ns1" route add default via dead:1::1
ip -net "$nsr1" addr add 10.0.1.1/24 dev veth0
ip -net "$nsr1" addr add dead:1::1/64 dev veth0 nodad
ip -net "$nsr1" link set up dev veth0
}
test_bridge
KEY_SHA="0x"$(ps -af | sha1sum | cut -d " " -f 1)
KEY_AES="0x"$(ps -af | md5sum | cut -d " " -f 1)
......@@ -613,25 +628,25 @@ do_esp() {
local spi_out=$6
local spi_in=$7
ip -net $ns xfrm state add src $remote dst $me proto esp spi $spi_in enc aes $KEY_AES auth sha1 $KEY_SHA mode tunnel sel src $rnet dst $lnet
ip -net $ns xfrm state add src $me dst $remote proto esp spi $spi_out enc aes $KEY_AES auth sha1 $KEY_SHA mode tunnel sel src $lnet dst $rnet
ip -net "$ns" xfrm state add src "$remote" dst "$me" proto esp spi "$spi_in" enc aes "$KEY_AES" auth sha1 "$KEY_SHA" mode tunnel sel src "$rnet" dst "$lnet"
ip -net "$ns" xfrm state add src "$me" dst "$remote" proto esp spi "$spi_out" enc aes "$KEY_AES" auth sha1 "$KEY_SHA" mode tunnel sel src "$lnet" dst "$rnet"
# to encrypt packets as they go out (includes forwarded packets that need encapsulation)
ip -net $ns xfrm policy add src $lnet dst $rnet dir out tmpl src $me dst $remote proto esp mode tunnel priority 1 action allow
ip -net "$ns" xfrm policy add src "$lnet" dst "$rnet" dir out tmpl src "$me" dst "$remote" proto esp mode tunnel priority 1 action allow
# to fwd decrypted packets after esp processing:
ip -net $ns xfrm policy add src $rnet dst $lnet dir fwd tmpl src $remote dst $me proto esp mode tunnel priority 1 action allow
ip -net "$ns" xfrm policy add src "$rnet" dst "$lnet" dir fwd tmpl src "$remote" dst "$me" proto esp mode tunnel priority 1 action allow
}
do_esp $nsr1 192.168.10.1 192.168.10.2 10.0.1.0/24 10.0.2.0/24 $SPI1 $SPI2
do_esp "$nsr1" 192.168.10.1 192.168.10.2 10.0.1.0/24 10.0.2.0/24 "$SPI1" "$SPI2"
do_esp $nsr2 192.168.10.2 192.168.10.1 10.0.2.0/24 10.0.1.0/24 $SPI2 $SPI1
do_esp "$nsr2" 192.168.10.2 192.168.10.1 10.0.2.0/24 10.0.1.0/24 "$SPI2" "$SPI1"
ip netns exec $nsr1 nft delete table ip nat
ip netns exec "$nsr1" nft delete table ip nat
# restore default routes
ip -net $ns2 route del 192.168.10.1 via 10.0.2.1
ip -net $ns2 route add default via 10.0.2.1
ip -net $ns2 route add default via dead:2::1
ip -net "$ns2" route del 192.168.10.1 via 10.0.2.1
ip -net "$ns2" route add default via 10.0.2.1
ip -net "$ns2" route add default via dead:2::1
if test_tcp_forwarding "$ns1" "$ns2"; then
check_counters "ipsec tunnel mode for ns1/ns2"
......@@ -641,7 +656,7 @@ else
ip netns exec "$nsr1" cat /proc/net/xfrm_stat 1>&2
fi
if [ x"$1" = x ]; then
if [ "$1" = "" ]; then
low=1280
mtu=$((65536 - low))
o=$(((RANDOM%mtu) + low))
......
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