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selftests: fib_tests: Add tests for ipv6 gateway with ipv4 route 

Add tests for ipv6 gateway with ipv4 route. Tests include basic
single path with ping to verify connectivity and multipath.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2019-04-05 16:30:41 -07:00 committed by David S. Miller
parent d15662682d
commit 228ddb3315
1 changed files with 69 additions and 1 deletions
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70
tools/testing/selftests/net/fib_tests.sh
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@ -9,7 +9,8 @@ ret=0
ksft_skip=4
# 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 ipv6_route_metrics ipv4_route_metrics"
TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw"
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
@ -48,6 +49,7 @@ setup()
{
set -e
ip netns add ns1
ip netns set ns1 auto
$IP link set dev lo up
ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1
@ -698,6 +700,7 @@ route_setup()
set -e
ip netns add ns2
ip netns set ns2 auto
ip -netns ns2 link set dev lo up
ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1
ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1
@ -1442,6 +1445,70 @@ ipv4_route_metrics_test()
route_cleanup
}
ipv4_route_v6_gw_test()
{
local rc
echo
echo "IPv4 route with IPv6 gateway tests"
route_setup
sleep 2
#
# single path route
#
run_cmd "$IP ro add 172.16.104.0/24 via inet6 2001:db8:101::2"
rc=$?
log_test $rc 0 "Single path route with IPv6 gateway"
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1"
fi
run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1"
log_test $rc 0 "Single path route with IPv6 gateway - ping"
run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2"
rc=$?
log_test $rc 0 "Single path route delete"
if [ $rc -eq 0 ]; then
check_route "172.16.112.0/24"
fi
#
# multipath - v6 then v4
#
run_cmd "$IP ro add 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
rc=$?
log_test $rc 0 "Multipath route add - v6 nexthop then v4"
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
fi
run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
log_test $? 2 " Multipath route delete - nexthops in wrong order"
run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
log_test $? 0 " Multipath route delete exact match"
#
# multipath - v4 then v6
#
run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
rc=$?
log_test $rc 0 "Multipath route add - v4 nexthop then v6"
if [ $rc -eq 0 ]; then
check_route "172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 weight 1 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1"
fi
run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
log_test $? 2 " Multipath route delete - nexthops in wrong order"
run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
log_test $? 0 " Multipath route delete exact match"
route_cleanup
}
################################################################################
# usage
@ -1511,6 +1578,7 @@ do
ipv4_addr_metric) ipv4_addr_metric_test;;
ipv6_route_metrics) ipv6_route_metrics_test;;
ipv4_route_metrics) ipv4_route_metrics_test;;
ipv4_route_v6_gw) ipv4_route_v6_gw_test;;
help) echo "Test names: $TESTS"; exit 0;;
esac