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|
#!/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
|
