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[net-next,5/5] selftests: fib_nexthops: Test cleanup of FDB entries following nexthop deletion

Message ID 20200915114103.88883-6-idosch@idosch.org
State Accepted
Delegated to: David Miller
Headers show
Series nexthop: Small changes | expand

Commit Message

Ido Schimmel Sept. 15, 2020, 11:41 a.m. UTC 
From: Ido Schimmel <idosch@nvidia.com>

Commit c7cdbe2efc40 ("vxlan: support for nexthop notifiers") registered
a listener in the VXLAN driver to the nexthop notification chain. Its
purpose is to cleanup FDB entries that use a nexthop that is being
deleted.

Test that such FDB entries are removed when the nexthop group that they
use is deleted. Test that entries are not deleted when a single nexthop
in the group is deleted.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
---
 tools/testing/selftests/net/fib_nexthops.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index b74884d52913..eb693a3b7b4a 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -411,9 +411,16 @@  ipv6_fdb_grp_fcnal()
 	run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
 	log_test $? 2 "Route add with fdb nexthop group"
 
+	run_cmd "$IP nexthop del id 61"
+	run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
+	log_test $? 0 "Fdb entry after deleting a single nexthop"
+
 	run_cmd "$IP nexthop del id 102"
 	log_test $? 0 "Fdb nexthop delete"
 
+	run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
+	log_test $? 254 "Fdb entry after deleting a nexthop group"
+
 	$IP link del dev vx10
 }
 
@@ -484,9 +491,16 @@  ipv4_fdb_grp_fcnal()
 	run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
 	log_test $? 2 "Route add with fdb nexthop group"
 
+	run_cmd "$IP nexthop del id 12"
+	run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
+	log_test $? 0 "Fdb entry after deleting a single nexthop"
+
 	run_cmd "$IP nexthop del id 102"
 	log_test $? 0 "Fdb nexthop delete"
 
+	run_cmd "$BRIDGE fdb get to 02:02:00:00:00:13 dev vx10 self"
+	log_test $? 254 "Fdb entry after deleting a nexthop group"
+
 	$IP link del dev vx10
 }