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