@@ -743,6 +743,43 @@ fib_notify_test()
cleanup &> /dev/null
}
+# Create a new dummy_10 to remove all associated routes.
+reset_dummy_10()
+{
+ $IP link del dev dummy_10
+
+ $IP link add dummy_10 type dummy
+ $IP link set dev dummy_10 up
+ $IP -6 address add 2001:10::1/64 dev dummy_10
+}
+
+check_rt_num()
+{
+ local expected=$1
+ local num=$2
+
+ if [ $num -ne $expected ]; then
+ echo "FAIL: Expected $expected routes, got $num"
+ ret=1
+ else
+ ret=0
+ fi
+}
+
+check_rt_num_clean()
+{
+ local expected=$1
+ local num=$2
+
+ if [ $num -ne $expected ]; then
+ log_test 1 0 "expected $expected routes, got $num"
+ set +e
+ cleanup &> /dev/null
+ return 1
+ fi
+ return 0
+}
+
fib6_gc_test()
{
setup
@@ -751,7 +788,7 @@ fib6_gc_test()
echo "Fib6 garbage collection test"
set -e
- EXPIRE=3
+ EXPIRE=5
# Check expiration of routes every $EXPIRE seconds (GC)
$NS_EXEC sysctl -wq net.ipv6.route.gc_interval=$EXPIRE
@@ -763,44 +800,111 @@ fib6_gc_test()
$NS_EXEC sysctl -wq net.ipv6.route.flush=1
# Temporary routes
- for i in $(seq 1 1000); do
+ for i in $(seq 1 5); do
# Expire route after $EXPIRE seconds
$IP -6 route add 2001:20::$i \
via 2001:10::2 dev dummy_10 expires $EXPIRE
done
- sleep $(($EXPIRE * 2))
- N_EXP_SLEEP=$($IP -6 route list |grep expires|wc -l)
- if [ $N_EXP_SLEEP -ne 0 ]; then
- echo "FAIL: expected 0 routes with expires, got $N_EXP_SLEEP"
- ret=1
- else
- ret=0
- fi
+ sleep $(($EXPIRE * 2 + 1))
+ check_rt_num 0 $($IP -6 route list |grep expires|wc -l)
+ log_test $ret 0 "ipv6 route garbage collection"
+
+ reset_dummy_10
# Permanent routes
- for i in $(seq 1 5000); do
+ for i in $(seq 1 5); do
$IP -6 route add 2001:30::$i \
via 2001:10::2 dev dummy_10
done
# Temporary routes
- for i in $(seq 1 1000); do
+ for i in $(seq 1 5); do
# Expire route after $EXPIRE seconds
$IP -6 route add 2001:20::$i \
via 2001:10::2 dev dummy_10 expires $EXPIRE
done
- sleep $(($EXPIRE * 2))
- N_EXP_SLEEP=$($IP -6 route list |grep expires|wc -l)
- if [ $N_EXP_SLEEP -ne 0 ]; then
- echo "FAIL: expected 0 routes with expires," \
- "got $N_EXP_SLEEP (5000 permanent routes)"
- ret=1
- else
- ret=0
+ sleep $(($EXPIRE * 2 + 1))
+ check_rt_num 0 $($IP -6 route list |grep expires|wc -l)
+ log_test $ret 0 "ipv6 route garbage collection (with permanent routes)"
+
+ reset_dummy_10
+
+ # Permanent routes
+ for i in $(seq 1 5); do
+ $IP -6 route add 2001:20::$i \
+ via 2001:10::2 dev dummy_10
+ done
+ # Replace with temporary routes
+ for i in $(seq 1 5); do
+ # Expire route after $EXPIRE seconds
+ $IP -6 route replace 2001:20::$i \
+ via 2001:10::2 dev dummy_10 expires $EXPIRE
+ done
+ check_rt_num_clean 5 $($IP -6 route list |grep expires|wc -l) || return
+ # Wait for GC
+ sleep $(($EXPIRE * 2 + 1))
+ check_rt_num 0 $($IP -6 route list |grep expires|wc -l)
+ log_test $ret 0 "ipv6 route garbage collection (replace with expires)"
+
+ reset_dummy_10
+
+ # Temporary routes
+ for i in $(seq 1 5); do
+ # Expire route after $EXPIRE seconds
+ $IP -6 route add 2001:20::$i \
+ via 2001:10::2 dev dummy_10 expires $EXPIRE
+ done
+ # Replace with permanent routes
+ for i in $(seq 1 5); do
+ $IP -6 route replace 2001:20::$i \
+ via 2001:10::2 dev dummy_10
+ done
+ check_rt_num_clean 0 $($IP -6 route list |grep expires|wc -l) || return
+
+ # Wait for GC
+ sleep $(($EXPIRE * 2 + 1))
+
+ check_rt_num 5 $($IP -6 route list |grep -v expires|grep 2001:20::|wc -l)
+ log_test $ret 0 "ipv6 route garbage collection (replace with permanent)"
+
+ # ra6 is required for the next test. (ipv6toolkit)
+ if [ ! -x "$(command -v ra6)" ]; then
+ echo "SKIP: ra6 not found."
+ set +e
+ cleanup &> /dev/null
+ return
fi
- set +e
+ # Delete dummy_10 and remove all routes
+ $IP link del dev dummy_10
- log_test $ret 0 "ipv6 route garbage collection"
+ # Create a pair of veth devices to send a RA message from one
+ # device to another.
+ $IP link add veth1 type veth peer name veth2
+ $IP link set dev veth1 up
+ $IP link set dev veth2 up
+ $IP -6 address add 2001:10::1/64 dev veth1 nodad
+ $IP -6 address add 2001:10::2/64 dev veth2 nodad
+
+ # Make veth1 ready to receive RA messages.
+ $NS_EXEC sysctl -wq net.ipv6.conf.veth1.accept_ra=2
+
+ # Send a RA message with a route from veth2 to veth1.
+ $NS_EXEC ra6 -i veth2 -d 2001:10::1 -t $EXPIRE
+
+ # Wait for the RA message.
+ sleep 1
+
+ # systemd may mess up the test. You syould make sure that
+ # systemd-networkd.service and systemd-networkd.socket are stopped.
+ check_rt_num_clean 1 $($IP -6 route list|grep expires|wc -l) || return
+
+ # Wait for GC
+ sleep $(($EXPIRE * 2 + 1))
+
+ check_rt_num 0 $($IP -6 route list |grep expires|wc -l)
+ log_test $ret 0 "ipv6 route garbage collection (RA message)"
+
+ set +e
cleanup &> /dev/null
}