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提交 d69faad7 编写于 作者: D David Ahern 提交者： David S. Miller
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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: NDavid Ahern <dsahern@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 8308f3ff
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Showing with 180 addition and 1 deletion
tools/testing/selftests/net/fib_tests.sh 100755 → 100644
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......@@ -6,7 +6,8 @@
ret=0
TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt"
# all tests in this script. Can be overridden with -t option
TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric"
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
......@@ -642,6 +643,8 @@ check_route6()
local rc=0
out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
[ "${out}" = "${expected}" ] && return 0
if [ -z "${out}" ]; then
if [ "$VERBOSE" = "1" ]; then
printf "\nNo route entry found\n"
......@@ -911,6 +914,98 @@ ipv6_route_test()
route_cleanup
}
ip_addr_metric_check()
{
ip addr help 2>&1 | grep -q metric
if [ $? -ne 0 ]; then
echo "iproute2 command does not support metric for addresses. Skipping test"
return 1
fi
return 0
}
ipv6_addr_metric_test()
{
local rc
echo
echo "IPv6 prefix route tests"
ip_addr_metric_check || return 1
setup
set -e
$IP li add dummy1 type dummy
$IP li add dummy2 type dummy
$IP li set dummy1 up
$IP li set dummy2 up
# default entry is metric 256
run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
set +e
check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
log_test $? 0 "Default metric"
set -e
run_cmd "$IP -6 addr flush dev dummy1"
run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
set +e
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
log_test $? 0 "User specified metric on first device"
set -e
run_cmd "$IP -6 addr flush dev dummy2"
run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
set +e
check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
log_test $? 0 "User specified metric on second device"
run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
rc=$?
if [ $rc -eq 0 ]; then
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
rc=$?
fi
log_test $rc 0 "Delete of address on first device"
run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
rc=$?
if [ $rc -eq 0 ]; then
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
rc=$?
fi
log_test $rc 0 "Modify metric of address"
# verify prefix route removed on down
run_cmd "ip netns exec testns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
run_cmd "$IP li set dev dummy2 down"
rc=$?
if [ $rc -eq 0 ]; then
check_route6 ""
rc=$?
fi
log_test $rc 0 "Prefix route removed on link down"
# verify prefix route re-inserted with assigned metric
run_cmd "$IP li set dev dummy2 up"
rc=$?
if [ $rc -eq 0 ]; then
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
rc=$?
fi
log_test $rc 0 "Prefix route with metric on link up"
$IP li del dummy1
$IP li del dummy2
cleanup
}
# add route for a prefix, flushing any existing routes first
# expected to be the first step of a test
add_route()
......@@ -955,6 +1050,8 @@ check_route()
local rc=0
out=$($IP ro ls match ${pfx})
[ "${out}" = "${expected}" ] && return 0
if [ -z "${out}" ]; then
if [ "$VERBOSE" = "1" ]; then
printf "\nNo route entry found\n"
......@@ -1181,6 +1278,86 @@ ipv4_route_test()
route_cleanup
}
ipv4_addr_metric_test()
{
local rc
echo
echo "IPv4 prefix route tests"
ip_addr_metric_check || return 1
setup
set -e
$IP li add dummy1 type dummy
$IP li add dummy2 type dummy
$IP li set dummy1 up
$IP li set dummy2 up
# default entry is metric 256
run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
set +e
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"
log_test $? 0 "Default metric"
set -e
run_cmd "$IP addr flush dev dummy1"
run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
set +e
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"
log_test $? 0 "User specified metric on first device"
set -e
run_cmd "$IP addr flush dev dummy2"
run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
set +e
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"
log_test $? 0 "User specified metric on second device"
run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
rc=$?
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
rc=$?
fi
log_test $rc 0 "Delete of address on first device"
run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
rc=$?
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
rc=$?
fi
log_test $rc 0 "Modify metric of address"
# verify prefix route removed on down
run_cmd "$IP li set dev dummy2 down"
rc=$?
if [ $rc -eq 0 ]; then
check_route ""
rc=$?
fi
log_test $rc 0 "Prefix route removed on link down"
# verify prefix route re-inserted with assigned metric
run_cmd "$IP li set dev dummy2 up"
rc=$?
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
rc=$?
fi
log_test $rc 0 "Prefix route with metric on link up"
$IP li del dummy1
$IP li del dummy2
cleanup
}
################################################################################
# usage
......@@ -1245,6 +1422,8 @@ do
fib_nexthop_test|nexthop) fib_nexthop_test;;
ipv6_route_test|ipv6_rt) ipv6_route_test;;
ipv4_route_test|ipv4_rt) ipv4_route_test;;
ipv6_addr_metric) ipv6_addr_metric_test;;
ipv4_addr_metric) ipv4_addr_metric_test;;
help) echo "Test names: $TESTS"; exit 0;;
esac
......
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