| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| lib_dir=$(dirname $0)/../../../net/forwarding |
| |
| ALL_TESTS=" |
| ipv4_route_addition_test |
| ipv4_route_deletion_test |
| ipv4_route_replacement_test |
| ipv4_route_offload_failed_test |
| ipv6_route_addition_test |
| ipv6_route_deletion_test |
| ipv6_route_replacement_test |
| ipv6_route_offload_failed_test |
| " |
| |
| NETDEVSIM_PATH=/sys/bus/netdevsim/ |
| DEV_ADDR=1337 |
| DEV=netdevsim${DEV_ADDR} |
| DEVLINK_DEV=netdevsim/${DEV} |
| SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/ |
| DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/ |
| NUM_NETIFS=0 |
| source $lib_dir/lib.sh |
| |
| check_rt_offload_failed() |
| { |
| local outfile=$1; shift |
| local line |
| |
| # Make sure that the first notification was emitted without |
| # RTM_F_OFFLOAD_FAILED flag and the second with RTM_F_OFFLOAD_FAILED |
| # flag |
| head -n 1 $outfile | grep -q "rt_offload_failed" |
| if [[ $? -eq 0 ]]; then |
| return 1 |
| fi |
| |
| head -n 2 $outfile | tail -n 1 | grep -q "rt_offload_failed" |
| } |
| |
| check_rt_trap() |
| { |
| local outfile=$1; shift |
| local line |
| |
| # Make sure that the first notification was emitted without RTM_F_TRAP |
| # flag and the second with RTM_F_TRAP flag |
| head -n 1 $outfile | grep -q "rt_trap" |
| if [[ $? -eq 0 ]]; then |
| return 1 |
| fi |
| |
| head -n 2 $outfile | tail -n 1 | grep -q "rt_trap" |
| } |
| |
| route_notify_check() |
| { |
| local outfile=$1; shift |
| local expected_num_lines=$1; shift |
| local offload_failed=${1:-0}; shift |
| |
| # check the monitor results |
| lines=`wc -l $outfile | cut "-d " -f1` |
| test $lines -eq $expected_num_lines |
| check_err $? "$expected_num_lines notifications were expected but $lines were received" |
| |
| if [[ $expected_num_lines -eq 1 ]]; then |
| return |
| fi |
| |
| if [[ $offload_failed -eq 0 ]]; then |
| check_rt_trap $outfile |
| check_err $? "Wrong RTM_F_TRAP flags in notifications" |
| else |
| check_rt_offload_failed $outfile |
| check_err $? "Wrong RTM_F_OFFLOAD_FAILED flags in notifications" |
| fi |
| } |
| |
| route_addition_check() |
| { |
| local ip=$1; shift |
| local notify=$1; shift |
| local route=$1; shift |
| local expected_num_notifications=$1; shift |
| local offload_failed=${1:-0}; shift |
| |
| ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify |
| |
| local outfile=$(mktemp) |
| |
| $IP monitor route &> $outfile & |
| sleep 1 |
| $IP route add $route dev dummy1 |
| sleep 1 |
| kill %% && wait %% &> /dev/null |
| |
| route_notify_check $outfile $expected_num_notifications $offload_failed |
| rm -f $outfile |
| |
| $IP route del $route dev dummy1 |
| } |
| |
| ipv4_route_addition_test() |
| { |
| RET=0 |
| |
| local ip="ipv4" |
| local route=192.0.2.0/24 |
| |
| # Make sure a single notification will be emitted for the programmed |
| # route. |
| local notify=0 |
| local expected_num_notifications=1 |
| # route_addition_check will assign value to RET. |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| # Make sure two notifications will be emitted for the programmed route. |
| notify=1 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure a single notification will be emitted for the programmed |
| # route. |
| notify=2 |
| expected_num_notifications=1 |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| log_test "IPv4 route addition" |
| } |
| |
| route_deletion_check() |
| { |
| local ip=$1; shift |
| local notify=$1; shift |
| local route=$1; shift |
| local expected_num_notifications=$1; shift |
| |
| ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify |
| $IP route add $route dev dummy1 |
| sleep 1 |
| |
| local outfile=$(mktemp) |
| |
| $IP monitor route &> $outfile & |
| sleep 1 |
| $IP route del $route dev dummy1 |
| sleep 1 |
| kill %% && wait %% &> /dev/null |
| |
| route_notify_check $outfile $expected_num_notifications |
| rm -f $outfile |
| } |
| |
| ipv4_route_deletion_test() |
| { |
| RET=0 |
| |
| local ip="ipv4" |
| local route=192.0.2.0/24 |
| local expected_num_notifications=1 |
| |
| # Make sure a single notification will be emitted for the deleted route, |
| # regardless of fib_notify_on_flag_change value. |
| local notify=0 |
| # route_deletion_check will assign value to RET. |
| route_deletion_check $ip $notify $route $expected_num_notifications |
| |
| notify=1 |
| route_deletion_check $ip $notify $route $expected_num_notifications |
| |
| log_test "IPv4 route deletion" |
| } |
| |
| route_replacement_check() |
| { |
| local ip=$1; shift |
| local notify=$1; shift |
| local route=$1; shift |
| local expected_num_notifications=$1; shift |
| |
| ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify |
| $IP route add $route dev dummy1 |
| sleep 1 |
| |
| local outfile=$(mktemp) |
| |
| $IP monitor route &> $outfile & |
| sleep 1 |
| $IP route replace $route dev dummy2 |
| sleep 1 |
| kill %% && wait %% &> /dev/null |
| |
| route_notify_check $outfile $expected_num_notifications |
| rm -f $outfile |
| |
| $IP route del $route dev dummy2 |
| } |
| |
| ipv4_route_replacement_test() |
| { |
| RET=0 |
| |
| local ip="ipv4" |
| local route=192.0.2.0/24 |
| |
| $IP link add name dummy2 type dummy |
| $IP link set dev dummy2 up |
| |
| # Make sure a single notification will be emitted for the new route. |
| local notify=0 |
| local expected_num_notifications=1 |
| # route_replacement_check will assign value to RET. |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| # Make sure two notifications will be emitted for the new route. |
| notify=1 |
| expected_num_notifications=2 |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure a single notification will be emitted for the new route. |
| notify=2 |
| expected_num_notifications=1 |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| $IP link del name dummy2 |
| |
| log_test "IPv4 route replacement" |
| } |
| |
| ipv4_route_offload_failed_test() |
| { |
| |
| RET=0 |
| |
| local ip="ipv4" |
| local route=192.0.2.0/24 |
| local offload_failed=1 |
| |
| echo "y"> $DEBUGFS_DIR/fib/fail_route_offload |
| check_err $? "Failed to setup route offload to fail" |
| |
| # Make sure a single notification will be emitted for the programmed |
| # route. |
| local notify=0 |
| local expected_num_notifications=1 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| # Make sure two notifications will be emitted for the new route. |
| notify=1 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure two notifications will be emitted for the new route. |
| notify=2 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| echo "n"> $DEBUGFS_DIR/fib/fail_route_offload |
| check_err $? "Failed to setup route offload not to fail" |
| |
| log_test "IPv4 route offload failed" |
| } |
| |
| ipv6_route_addition_test() |
| { |
| RET=0 |
| |
| local ip="ipv6" |
| local route=2001:db8:1::/64 |
| |
| # Make sure a single notification will be emitted for the programmed |
| # route. |
| local notify=0 |
| local expected_num_notifications=1 |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| # Make sure two notifications will be emitted for the programmed route. |
| notify=1 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure a single notification will be emitted for the programmed |
| # route. |
| notify=2 |
| expected_num_notifications=1 |
| route_addition_check $ip $notify $route $expected_num_notifications |
| |
| log_test "IPv6 route addition" |
| } |
| |
| ipv6_route_deletion_test() |
| { |
| RET=0 |
| |
| local ip="ipv6" |
| local route=2001:db8:1::/64 |
| local expected_num_notifications=1 |
| |
| # Make sure a single notification will be emitted for the deleted route, |
| # regardless of fib_notify_on_flag_change value. |
| local notify=0 |
| route_deletion_check $ip $notify $route $expected_num_notifications |
| |
| notify=1 |
| route_deletion_check $ip $notify $route $expected_num_notifications |
| |
| log_test "IPv6 route deletion" |
| } |
| |
| ipv6_route_replacement_test() |
| { |
| RET=0 |
| |
| local ip="ipv6" |
| local route=2001:db8:1::/64 |
| |
| $IP link add name dummy2 type dummy |
| $IP link set dev dummy2 up |
| |
| # Make sure a single notification will be emitted for the new route. |
| local notify=0 |
| local expected_num_notifications=1 |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| # Make sure two notifications will be emitted for the new route. |
| notify=1 |
| expected_num_notifications=2 |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure a single notification will be emitted for the new route. |
| notify=2 |
| expected_num_notifications=1 |
| route_replacement_check $ip $notify $route $expected_num_notifications |
| |
| $IP link del name dummy2 |
| |
| log_test "IPv6 route replacement" |
| } |
| |
| ipv6_route_offload_failed_test() |
| { |
| |
| RET=0 |
| |
| local ip="ipv6" |
| local route=2001:db8:1::/64 |
| local offload_failed=1 |
| |
| echo "y"> $DEBUGFS_DIR/fib/fail_route_offload |
| check_err $? "Failed to setup route offload to fail" |
| |
| # Make sure a single notification will be emitted for the programmed |
| # route. |
| local notify=0 |
| local expected_num_notifications=1 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| # Make sure two notifications will be emitted for the new route. |
| notify=1 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| # notify=2 means emit notifications only for failed route installation, |
| # make sure two notifications will be emitted for the new route. |
| notify=2 |
| expected_num_notifications=2 |
| route_addition_check $ip $notify $route $expected_num_notifications \ |
| $offload_failed |
| |
| echo "n"> $DEBUGFS_DIR/fib/fail_route_offload |
| check_err $? "Failed to setup route offload not to fail" |
| |
| log_test "IPv6 route offload failed" |
| } |
| |
| setup_prepare() |
| { |
| modprobe netdevsim &> /dev/null |
| echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device |
| while [ ! -d $SYSFS_NET_DIR ] ; do :; done |
| |
| ip netns add testns1 |
| |
| if [ $? -ne 0 ]; then |
| echo "Failed to add netns \"testns1\"" |
| exit 1 |
| fi |
| |
| devlink dev reload $DEVLINK_DEV netns testns1 |
| |
| if [ $? -ne 0 ]; then |
| echo "Failed to reload into netns \"testns1\"" |
| exit 1 |
| fi |
| |
| IP="ip -n testns1" |
| |
| $IP link add name dummy1 type dummy |
| $IP link set dev dummy1 up |
| } |
| |
| cleanup() |
| { |
| pre_cleanup |
| |
| $IP link del name dummy1 |
| ip netns del testns1 |
| echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device |
| modprobe -r netdevsim &> /dev/null |
| } |
| |
| trap cleanup EXIT |
| |
| setup_prepare |
| |
| tests_run |
| |
| exit $EXIT_STATUS |
