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Commit 6b45432d authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: Test mirroring to deleted device 



Tests that the mirroring code catches up with deletion of a mirrored-to
device.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d624613e

tools/testing/selftests/net/forwarding/mirror_gre_changes.sh

+38 −0
Original line number Original line Diff line number Diff line
@@ -12,6 +12,7 @@ ALL_TESTS=" 
	test_tun_up

	test_tun_up

	test_egress_up

	test_egress_up

	test_remote_ip

	test_remote_ip

	test_tun_del

"

"





NUM_NETIFS=6

NUM_NETIFS=6
@@ -159,6 +160,35 @@ test_span_gre_remote_ip() 
	log_test "$what: remote address change ($tcflags)"

	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_ttl()

{

{

	test_span_gre_ttl gt4 gretap ip "mirror to gretap"

	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_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()

test_all()

{

{

	slow_path_trap_install $swp1 ingress

	slow_path_trap_install $swp1 ingress