From 6b45432d7876edab0873baa4e729d6f057469628 Mon Sep 17 00:00:00 2001 From: Petr Machata Date: Wed, 23 May 2018 18:34:56 +0200 Subject: [PATCH] selftests: forwarding: Test mirroring to deleted device Tests that the mirroring code catches up with deletion of a mirrored-to device. Signed-off-by: Petr Machata Signed-off-by: David S. Miller --- .../net/forwarding/mirror_gre_changes.sh | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh index 50ab3462af0c..a35fd55ff802 100755 --- a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh +++ b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh @@ -12,6 +12,7 @@ ALL_TESTS=" test_tun_up test_egress_up test_remote_ip + test_tun_del " NUM_NETIFS=6 @@ -159,6 +160,35 @@ test_span_gre_remote_ip() log_test "$what: remote address change ($tcflags)" } +test_span_gre_tun_del() +{ + local tundev=$1; shift + local type=$1; shift + local flags=$1; shift + local local_ip=$1; shift + local remote_ip=$1; shift + local what=$1; shift + + RET=0 + + mirror_install $swp1 ingress $tundev "matchall $tcflags" + quick_test_span_gre_dir $tundev ingress + ip link del dev $tundev + fail_test_span_gre_dir $tundev ingress + + tunnel_create $tundev $type $local_ip $remote_ip \ + ttl 100 tos inherit $flags + + # Recreating the tunnel doesn't reestablish mirroring, so reinstall it + # and verify it works for the follow-up tests. + mirror_uninstall $swp1 ingress + mirror_install $swp1 ingress $tundev "matchall $tcflags" + quick_test_span_gre_dir $tundev ingress + mirror_uninstall $swp1 ingress + + log_test "$what: tunnel deleted ($tcflags)" +} + test_ttl() { test_span_gre_ttl gt4 gretap ip "mirror to gretap" @@ -183,6 +213,14 @@ test_remote_ip() test_span_gre_remote_ip gt6 ip6gretap 2001:db8:2::2 2001:db8:2::4 "mirror to ip6gretap" } +test_tun_del() +{ + test_span_gre_tun_del gt4 gretap "" \ + 192.0.2.129 192.0.2.130 "mirror to gretap" + test_span_gre_tun_del gt6 ip6gretap allow-localremote \ + 2001:db8:2::1 2001:db8:2::2 "mirror to ip6gretap" +} + test_all() { slow_path_trap_install $swp1 ingress