mirror of https://gitee.com/openkylin/linux.git
selftests: fib_tests: Add prefix route tests with metric
Add tests verifying prefix routes are inserted with expected metric.
IPv6 prefix route tests
TEST: Default metric [ OK ]
TEST: User specified metric on first device [ OK ]
TEST: User specified metric on second device [ OK ]
TEST: Delete of address on first device [ OK ]
TEST: Modify metric of address [ OK ]
TEST: Prefix route removed on link down [ OK ]
TEST: Prefix route with metric on link up [ OK ]
IPv4 prefix route tests
TEST: Default metric [ OK ]
TEST: User specified metric on first device [ OK ]
TEST: User specified metric on second device [ OK ]
TEST: Delete of address on first device [ OK ]
TEST: Modify metric of address [ OK ]
TEST: Prefix route removed on link down [ OK ]
TEST: Prefix route with metric on link up [ OK ]
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
David S. Miller
parent
8308f3ff17
commit
d69faad765
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@ -6,7 +6,8 @@
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ret=0
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TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt"
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# all tests in this script. Can be overridden with -t option
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TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric"
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VERBOSE=0
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PAUSE_ON_FAIL=no
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PAUSE=no
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@ -642,6 +643,8 @@ check_route6()
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local rc=0
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out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
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[ "${out}" = "${expected}" ] && return 0
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if [ -z "${out}" ]; then
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if [ "$VERBOSE" = "1" ]; then
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printf "\nNo route entry found\n"
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@ -911,6 +914,98 @@ ipv6_route_test()
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route_cleanup
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}
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ip_addr_metric_check()
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{
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ip addr help 2>&1 | grep -q metric
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if [ $? -ne 0 ]; then
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echo "iproute2 command does not support metric for addresses. Skipping test"
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return 1
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fi
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return 0
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}
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ipv6_addr_metric_test()
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{
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local rc
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echo
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echo "IPv6 prefix route tests"
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ip_addr_metric_check || return 1
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setup
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set -e
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$IP li add dummy1 type dummy
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$IP li add dummy2 type dummy
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$IP li set dummy1 up
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$IP li set dummy2 up
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# default entry is metric 256
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run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
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run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
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set +e
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check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
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log_test $? 0 "Default metric"
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set -e
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run_cmd "$IP -6 addr flush dev dummy1"
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run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
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set +e
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check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
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log_test $? 0 "User specified metric on first device"
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set -e
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run_cmd "$IP -6 addr flush dev dummy2"
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run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
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set +e
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check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
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log_test $? 0 "User specified metric on second device"
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run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
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rc=$?
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fi
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log_test $rc 0 "Delete of address on first device"
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run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
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rc=$?
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fi
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log_test $rc 0 "Modify metric of address"
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# verify prefix route removed on down
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run_cmd "ip netns exec testns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
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run_cmd "$IP li set dev dummy2 down"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 ""
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rc=$?
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fi
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log_test $rc 0 "Prefix route removed on link down"
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# verify prefix route re-inserted with assigned metric
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run_cmd "$IP li set dev dummy2 up"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
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rc=$?
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fi
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log_test $rc 0 "Prefix route with metric on link up"
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$IP li del dummy1
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$IP li del dummy2
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cleanup
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}
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# add route for a prefix, flushing any existing routes first
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# expected to be the first step of a test
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add_route()
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@ -955,6 +1050,8 @@ check_route()
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local rc=0
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out=$($IP ro ls match ${pfx})
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[ "${out}" = "${expected}" ] && return 0
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if [ -z "${out}" ]; then
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if [ "$VERBOSE" = "1" ]; then
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printf "\nNo route entry found\n"
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@ -1181,6 +1278,86 @@ ipv4_route_test()
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route_cleanup
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}
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ipv4_addr_metric_test()
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{
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local rc
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echo
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echo "IPv4 prefix route tests"
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ip_addr_metric_check || return 1
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setup
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set -e
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$IP li add dummy1 type dummy
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$IP li add dummy2 type dummy
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$IP li set dummy1 up
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$IP li set dummy2 up
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# default entry is metric 256
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run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
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run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
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set +e
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check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2"
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log_test $? 0 "Default metric"
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set -e
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run_cmd "$IP addr flush dev dummy1"
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run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
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set +e
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check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257"
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log_test $? 0 "User specified metric on first device"
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set -e
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run_cmd "$IP addr flush dev dummy2"
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run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
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set +e
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check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
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log_test $? 0 "User specified metric on second device"
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run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
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rc=$?
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fi
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log_test $rc 0 "Delete of address on first device"
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run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
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rc=$?
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fi
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log_test $rc 0 "Modify metric of address"
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# verify prefix route removed on down
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run_cmd "$IP li set dev dummy2 down"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route ""
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rc=$?
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fi
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log_test $rc 0 "Prefix route removed on link down"
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# verify prefix route re-inserted with assigned metric
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run_cmd "$IP li set dev dummy2 up"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
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rc=$?
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fi
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log_test $rc 0 "Prefix route with metric on link up"
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$IP li del dummy1
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$IP li del dummy2
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cleanup
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}
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################################################################################
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# usage
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@ -1245,6 +1422,8 @@ do
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fib_nexthop_test|nexthop) fib_nexthop_test;;
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ipv6_route_test|ipv6_rt) ipv6_route_test;;
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ipv4_route_test|ipv4_rt) ipv4_route_test;;
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ipv6_addr_metric) ipv6_addr_metric_test;;
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ipv4_addr_metric) ipv4_addr_metric_test;;
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help) echo "Test names: $TESTS"; exit 0;;
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esac
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