diff options
Diffstat (limited to 'tools/testing/selftests/net/fib_tests.sh')
| -rwxr-xr-x | tools/testing/selftests/net/fib_tests.sh | 148 |
1 files changed, 126 insertions, 22 deletions
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index b3ecccbbfcd2..73895711cdf4 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -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 $num" + set +e + cleanup &> /dev/null + return 1 + fi + return 0 +} + fib6_gc_test() { setup @@ -751,7 +788,8 @@ fib6_gc_test() echo "Fib6 garbage collection test" set -e - EXPIRE=3 + EXPIRE=5 + GC_WAIT_TIME=$((EXPIRE * 2 + 2)) # Check expiration of routes every $EXPIRE seconds (GC) $NS_EXEC sysctl -wq net.ipv6.route.gc_interval=$EXPIRE @@ -763,44 +801,110 @@ 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 $GC_WAIT_TIME + $NS_EXEC sysctl -wq net.ipv6.route.flush=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 + # Wait for GC + sleep $GC_WAIT_TIME + 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 + # Wait for GC + sleep $GC_WAIT_TIME + 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 $GC_WAIT_TIME + 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 $GC_WAIT_TIME + 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 } |