diff mbox series

[net-next,07/10] selftests: forwarding: Add blackhole nexthops tests

Message ID 20201123071230.676469-8-idosch@idosch.org (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series mlxsw: Add support for blackhole nexthops | expand

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netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning WARNING: Possible repeated word: 'vrf'
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netdev/stable success Stable not CCed

Commit Message

Ido Schimmel Nov. 23, 2020, 7:12 a.m. UTC 
From: Ido Schimmel <idosch@nvidia.com>

Test that IPv4 and IPv6 ping fail when the route is using a blackhole
nexthop or a group with a blackhole nexthop. Test that ping passes when
the route starts using a valid nexthop.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 .../net/forwarding/router_mpath_nh.sh         | 58 ++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
index e8c2573d5232..388e4492b81b 100755
--- a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
+++ b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
@@ -1,7 +1,13 @@ 
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
-ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test"
+ALL_TESTS="
+	ping_ipv4
+	ping_ipv6
+	multipath_test
+	ping_ipv4_blackhole
+	ping_ipv6_blackhole
+"
 NUM_NETIFS=8
 source lib.sh
 
@@ -302,6 +308,56 @@  multipath_test()
 	multipath6_l4_test "Weighted MP 11:45" 11 45
 }
 
+ping_ipv4_blackhole()
+{
+	RET=0
+
+	ip nexthop add id 1001 blackhole
+	ip nexthop add id 1002 group 1001
+
+	ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 1001
+	ping_do $h1 198.51.100.2
+	check_fail $? "ping did not fail when using a blackhole nexthop"
+
+	ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 1002
+	ping_do $h1 198.51.100.2
+	check_fail $? "ping did not fail when using a blackhole nexthop group"
+
+	ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 103
+	ping_do $h1 198.51.100.2
+	check_err $? "ping failed with a valid nexthop"
+
+	log_test "IPv4 blackhole ping"
+
+	ip nexthop del id 1002
+	ip nexthop del id 1001
+}
+
+ping_ipv6_blackhole()
+{
+	RET=0
+
+	ip -6 nexthop add id 1001 blackhole
+	ip nexthop add id 1002 group 1001
+
+	ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 1001
+	ping6_do $h1 2001:db8:2::2
+	check_fail $? "ping did not fail when using a blackhole nexthop"
+
+	ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 1002
+	ping6_do $h1 2001:db8:2::2
+	check_fail $? "ping did not fail when using a blackhole nexthop group"
+
+	ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 106
+	ping6_do $h1 2001:db8:2::2
+	check_err $? "ping failed with a valid nexthop"
+
+	log_test "IPv6 blackhole ping"
+
+	ip nexthop del id 1002
+	ip -6 nexthop del id 1001
+}
+
 setup_prepare()
 {
 	h1=${NETIFS[p1]}